From 925e64c3c512e9f4452eaa7d52fd4c1518b8fb11 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 16 May 2012 15:27:20 +0200 Subject: [PATCH 001/241] mac80211: run scan after finish connection monitoring commit 133d40f9a22bdfd2617a446f1e3209537c5415ec Author: Stanislaw Gruszka Date: Wed Mar 28 16:01:19 2012 +0200 mac80211: do not scan and monitor connection in parallel add bug, which make possible to start a scan and never finish it, so make every new scanning request finish with -EBUSY error. This can happen on code paths where we finish connection monitoring and clear IEEE80211_STA_*_POLL flags, but do not check if scan was deferred. This patch fixes those code paths. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- net/mac80211/mlme.c | 36 +++++++++++++++++++++++++++--------- 1 file changed, 27 insertions(+), 9 deletions(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index 04c306308987..d94627c2929c 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -1220,6 +1220,22 @@ static void ieee80211_sta_wmm_params(struct ieee80211_local *local, sdata->vif.bss_conf.qos = true; } +static void __ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata) +{ + lockdep_assert_held(&sdata->local->mtx); + + sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL | + IEEE80211_STA_BEACON_POLL); + ieee80211_run_deferred_scan(sdata->local); +} + +static void ieee80211_stop_poll(struct ieee80211_sub_if_data *sdata) +{ + mutex_lock(&sdata->local->mtx); + __ieee80211_stop_poll(sdata); + mutex_unlock(&sdata->local->mtx); +} + static u32 ieee80211_handle_bss_capability(struct ieee80211_sub_if_data *sdata, u16 capab, bool erp_valid, u8 erp) { @@ -1285,8 +1301,7 @@ static void ieee80211_set_associated(struct ieee80211_sub_if_data *sdata, sdata->u.mgd.flags |= IEEE80211_STA_RESET_SIGNAL_AVE; /* just to be sure */ - sdata->u.mgd.flags &= ~(IEEE80211_STA_CONNECTION_POLL | - IEEE80211_STA_BEACON_POLL); + ieee80211_stop_poll(sdata); ieee80211_led_assoc(local, 1); @@ -1456,8 +1471,7 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata) return; } - ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL | - IEEE80211_STA_BEACON_POLL); + __ieee80211_stop_poll(sdata); mutex_lock(&local->iflist_mtx); ieee80211_recalc_ps(local, -1); @@ -1477,7 +1491,6 @@ static void ieee80211_reset_ap_probe(struct ieee80211_sub_if_data *sdata) round_jiffies_up(jiffies + IEEE80211_CONNECTION_IDLE_TIME)); out: - ieee80211_run_deferred_scan(local); mutex_unlock(&local->mtx); } @@ -2408,7 +2421,11 @@ static void ieee80211_rx_mgmt_beacon(struct ieee80211_sub_if_data *sdata, net_dbg_ratelimited("%s: cancelling probereq poll due to a received beacon\n", sdata->name); #endif + mutex_lock(&local->mtx); ifmgd->flags &= ~IEEE80211_STA_BEACON_POLL; + ieee80211_run_deferred_scan(local); + mutex_unlock(&local->mtx); + mutex_lock(&local->iflist_mtx); ieee80211_recalc_ps(local, -1); mutex_unlock(&local->iflist_mtx); @@ -2595,8 +2612,7 @@ static void ieee80211_sta_connection_lost(struct ieee80211_sub_if_data *sdata, struct ieee80211_if_managed *ifmgd = &sdata->u.mgd; u8 frame_buf[DEAUTH_DISASSOC_LEN]; - ifmgd->flags &= ~(IEEE80211_STA_CONNECTION_POLL | - IEEE80211_STA_BEACON_POLL); + ieee80211_stop_poll(sdata); ieee80211_set_disassoc(sdata, IEEE80211_STYPE_DEAUTH, reason, false, frame_buf); @@ -2874,8 +2890,7 @@ static void ieee80211_restart_sta_timer(struct ieee80211_sub_if_data *sdata) u32 flags; if (sdata->vif.type == NL80211_IFTYPE_STATION) { - sdata->u.mgd.flags &= ~(IEEE80211_STA_BEACON_POLL | - IEEE80211_STA_CONNECTION_POLL); + __ieee80211_stop_poll(sdata); /* let's probe the connection once */ flags = sdata->local->hw.flags; @@ -2944,7 +2959,10 @@ void ieee80211_sta_restart(struct ieee80211_sub_if_data *sdata) if (test_and_clear_bit(TMR_RUNNING_CHANSW, &ifmgd->timers_running)) add_timer(&ifmgd->chswitch_timer); ieee80211_sta_reset_beacon_monitor(sdata); + + mutex_lock(&sdata->local->mtx); ieee80211_restart_sta_timer(sdata); + mutex_unlock(&sdata->local->mtx); } #endif From f0e3bd23418e1ec1aeac5fc36b74bf2f645b1244 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Tue, 29 May 2012 15:39:04 -0700 Subject: [PATCH 002/241] mwifiex: invalidate bss config before setting channel for uAP Mark bss_config parameters as invalid before setting AP channel. This prevents from setting invalid parameters while setting AP channel to FW. Signed-off-by: Avinash Patil Signed-off-by: Kiran Divekar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/uap_cmd.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index 76dfbc42a732..e9482c97e779 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -416,6 +416,7 @@ int mwifiex_uap_set_channel(struct mwifiex_private *priv, int channel) if (!bss_cfg) return -ENOMEM; + mwifiex_set_sys_config_invalid_data(bss_cfg); bss_cfg->band_cfg = BAND_CONFIG_MANUAL; bss_cfg->channel = channel; From 7a1c99343c5305c47b5e078d1af2144f9026df40 Mon Sep 17 00:00:00 2001 From: Avinash Patil Date: Tue, 29 May 2012 15:39:05 -0700 Subject: [PATCH 003/241] mwifiex: support NL80211_HIDDEN_SSID_ZERO_LEN for uAP mwifiex uAP supports NL80211_HIDDEN_SSID_ZERO_LEN type of hidden SSID only. NL80211_HIDDEN_SSID_ZERO_CONTENTS is not supported. Signed-off-by: Avinash Patil Signed-off-by: Kiran Divekar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/cfg80211.c | 13 +++++++++++++ drivers/net/wireless/mwifiex/fw.h | 6 ++++++ drivers/net/wireless/mwifiex/uap_cmd.c | 9 +++++++++ 3 files changed, 28 insertions(+) diff --git a/drivers/net/wireless/mwifiex/cfg80211.c b/drivers/net/wireless/mwifiex/cfg80211.c index 87671446e24b..015fec3371a0 100644 --- a/drivers/net/wireless/mwifiex/cfg80211.c +++ b/drivers/net/wireless/mwifiex/cfg80211.c @@ -948,6 +948,19 @@ static int mwifiex_cfg80211_start_ap(struct wiphy *wiphy, bss_cfg->ssid.ssid_len = params->ssid_len; } + switch (params->hidden_ssid) { + case NL80211_HIDDEN_SSID_NOT_IN_USE: + bss_cfg->bcast_ssid_ctl = 1; + break; + case NL80211_HIDDEN_SSID_ZERO_LEN: + bss_cfg->bcast_ssid_ctl = 0; + break; + case NL80211_HIDDEN_SSID_ZERO_CONTENTS: + /* firmware doesn't support this type of hidden SSID */ + default: + return -EINVAL; + } + if (mwifiex_set_secure_params(priv, bss_cfg, params)) { kfree(bss_cfg); wiphy_err(wiphy, "Failed to parse secuirty parameters!\n"); diff --git a/drivers/net/wireless/mwifiex/fw.h b/drivers/net/wireless/mwifiex/fw.h index 9f674bbebe65..561452a5c818 100644 --- a/drivers/net/wireless/mwifiex/fw.h +++ b/drivers/net/wireless/mwifiex/fw.h @@ -122,6 +122,7 @@ enum MWIFIEX_802_11_PRIVACY_FILTER { #define TLV_TYPE_CHANNELBANDLIST (PROPRIETARY_TLV_BASE_ID + 42) #define TLV_TYPE_UAP_BEACON_PERIOD (PROPRIETARY_TLV_BASE_ID + 44) #define TLV_TYPE_UAP_DTIM_PERIOD (PROPRIETARY_TLV_BASE_ID + 45) +#define TLV_TYPE_UAP_BCAST_SSID (PROPRIETARY_TLV_BASE_ID + 48) #define TLV_TYPE_UAP_RTS_THRESHOLD (PROPRIETARY_TLV_BASE_ID + 51) #define TLV_TYPE_UAP_WPA_PASSPHRASE (PROPRIETARY_TLV_BASE_ID + 60) #define TLV_TYPE_UAP_ENCRY_PROTOCOL (PROPRIETARY_TLV_BASE_ID + 64) @@ -1209,6 +1210,11 @@ struct host_cmd_tlv_ssid { u8 ssid[0]; } __packed; +struct host_cmd_tlv_bcast_ssid { + struct host_cmd_tlv tlv; + u8 bcast_ctl; +} __packed; + struct host_cmd_tlv_beacon_period { struct host_cmd_tlv tlv; __le16 period; diff --git a/drivers/net/wireless/mwifiex/uap_cmd.c b/drivers/net/wireless/mwifiex/uap_cmd.c index e9482c97e779..8173ab66066d 100644 --- a/drivers/net/wireless/mwifiex/uap_cmd.c +++ b/drivers/net/wireless/mwifiex/uap_cmd.c @@ -132,6 +132,7 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) struct host_cmd_tlv_dtim_period *dtim_period; struct host_cmd_tlv_beacon_period *beacon_period; struct host_cmd_tlv_ssid *ssid; + struct host_cmd_tlv_bcast_ssid *bcast_ssid; struct host_cmd_tlv_channel_band *chan_band; struct host_cmd_tlv_frag_threshold *frag_threshold; struct host_cmd_tlv_rts_threshold *rts_threshold; @@ -153,6 +154,14 @@ mwifiex_uap_bss_param_prepare(u8 *tlv, void *cmd_buf, u16 *param_size) cmd_size += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len; tlv += sizeof(struct host_cmd_tlv) + bss_cfg->ssid.ssid_len; + + bcast_ssid = (struct host_cmd_tlv_bcast_ssid *)tlv; + bcast_ssid->tlv.type = cpu_to_le16(TLV_TYPE_UAP_BCAST_SSID); + bcast_ssid->tlv.len = + cpu_to_le16(sizeof(bcast_ssid->bcast_ctl)); + bcast_ssid->bcast_ctl = bss_cfg->bcast_ssid_ctl; + cmd_size += sizeof(struct host_cmd_tlv_bcast_ssid); + tlv += sizeof(struct host_cmd_tlv_bcast_ssid); } if (bss_cfg->channel && bss_cfg->channel <= MAX_CHANNEL_BAND_BG) { chan_band = (struct host_cmd_tlv_channel_band *)tlv; From 28f333666ea766fdfb25de3783ff56cd2d1c51f0 Mon Sep 17 00:00:00 2001 From: Amitkumar Karwar Date: Tue, 29 May 2012 15:39:06 -0700 Subject: [PATCH 004/241] cfg80211: use sme_state in ibss start/join path CFG80211_DEV_WARN_ON() at "net/wireless/ibss.c line 63" is unnecessarily triggered even after successful connection, when cfg80211_ibss_joined() is called by driver inside .join_ibss handler. This patch fixes the problem by changing 'sme_state' in ibss path and having WARN_ON() check for 'sme_state' similar to infra association. Signed-off-by: Amitkumar Karwar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- net/wireless/ibss.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/net/wireless/ibss.c b/net/wireless/ibss.c index d2a19b0ff71f..89baa3328411 100644 --- a/net/wireless/ibss.c +++ b/net/wireless/ibss.c @@ -42,6 +42,7 @@ void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) cfg80211_hold_bss(bss_from_pub(bss)); wdev->current_bss = bss_from_pub(bss); + wdev->sme_state = CFG80211_SME_CONNECTED; cfg80211_upload_connect_keys(wdev); nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, @@ -60,7 +61,7 @@ void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) struct cfg80211_event *ev; unsigned long flags; - CFG80211_DEV_WARN_ON(!wdev->ssid_len); + CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING); ev = kzalloc(sizeof(*ev), gfp); if (!ev) @@ -115,9 +116,11 @@ int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, #ifdef CONFIG_CFG80211_WEXT wdev->wext.ibss.channel = params->channel; #endif + wdev->sme_state = CFG80211_SME_CONNECTING; err = rdev->ops->join_ibss(&rdev->wiphy, dev, params); if (err) { wdev->connect_keys = NULL; + wdev->sme_state = CFG80211_SME_IDLE; return err; } @@ -169,6 +172,7 @@ static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) } wdev->current_bss = NULL; + wdev->sme_state = CFG80211_SME_IDLE; wdev->ssid_len = 0; #ifdef CONFIG_CFG80211_WEXT if (!nowext) From b8bacc187aa5b59af9b9fa19b3ce4df5ad1db112 Mon Sep 17 00:00:00 2001 From: Chun-Yeow Yeoh Date: Wed, 30 May 2012 09:30:41 +0800 Subject: [PATCH 005/241] mac80211: Fix Unreachable Mesh Station Problem when joining to another MBSS Mesh station that joins an MBSS is reachable using mesh portal with 6 address frame by mesh stations from another MBSS if these two different MBSSes are bridged. However, if the mesh station later moves into the same MBSS of those mesh stations, it is unreachable by mesh stations in the MBSS due to the mpp_paths table is not deleted. A quick fix is to perform mesh_path_lookup, if it is available for the target destination, mpp_path_lookup is not performed. When the mesh station moves back to its original MBSS, the mesh_paths will be deleted once expired. So, it will be reachable using mpp_path_lookup again. Signed-off-by: Chun-Yeow Yeoh Signed-off-by: John W. Linville --- net/mac80211/tx.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c index 847215bb2a6f..e453212fa17f 100644 --- a/net/mac80211/tx.c +++ b/net/mac80211/tx.c @@ -1737,7 +1737,7 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, __le16 fc; struct ieee80211_hdr hdr; struct ieee80211s_hdr mesh_hdr __maybe_unused; - struct mesh_path __maybe_unused *mppath = NULL; + struct mesh_path __maybe_unused *mppath = NULL, *mpath = NULL; const u8 *encaps_data; int encaps_len, skip_header_bytes; int nh_pos, h_pos; @@ -1803,8 +1803,11 @@ netdev_tx_t ieee80211_subif_start_xmit(struct sk_buff *skb, goto fail; } rcu_read_lock(); - if (!is_multicast_ether_addr(skb->data)) - mppath = mpp_path_lookup(skb->data, sdata); + if (!is_multicast_ether_addr(skb->data)) { + mpath = mesh_path_lookup(skb->data, sdata); + if (!mpath) + mppath = mpp_path_lookup(skb->data, sdata); + } /* * Use address extension if it is a packet from From a5fdde28b4f5fb756032e7ad2c6fcdcffde20958 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 30 May 2012 10:36:12 +0200 Subject: [PATCH 006/241] iwlwifi: fix TX power antenna access Since my commit iwlwifi: use valid TX/RX antenna from hw_params the config values are pure overrides, not the real values for all hardware. Therefore, the EEPROM TX power reading code checks the wrong values, it should check the hw_params values. Cc: stable@kernel.org [3.4] Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-eeprom.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-eeprom.c b/drivers/net/wireless/iwlwifi/iwl-eeprom.c index 50c58911e718..b8e2b223ac36 100644 --- a/drivers/net/wireless/iwlwifi/iwl-eeprom.c +++ b/drivers/net/wireless/iwlwifi/iwl-eeprom.c @@ -568,28 +568,28 @@ static int iwl_find_otp_image(struct iwl_trans *trans, * iwl_get_max_txpower_avg - get the highest tx power from all chains. * find the highest tx power from all chains for the channel */ -static s8 iwl_get_max_txpower_avg(const struct iwl_cfg *cfg, +static s8 iwl_get_max_txpower_avg(struct iwl_priv *priv, struct iwl_eeprom_enhanced_txpwr *enhanced_txpower, int element, s8 *max_txpower_in_half_dbm) { s8 max_txpower_avg = 0; /* (dBm) */ /* Take the highest tx power from any valid chains */ - if ((cfg->valid_tx_ant & ANT_A) && + if ((priv->hw_params.valid_tx_ant & ANT_A) && (enhanced_txpower[element].chain_a_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_a_max; - if ((cfg->valid_tx_ant & ANT_B) && + if ((priv->hw_params.valid_tx_ant & ANT_B) && (enhanced_txpower[element].chain_b_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_b_max; - if ((cfg->valid_tx_ant & ANT_C) && + if ((priv->hw_params.valid_tx_ant & ANT_C) && (enhanced_txpower[element].chain_c_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].chain_c_max; - if (((cfg->valid_tx_ant == ANT_AB) | - (cfg->valid_tx_ant == ANT_BC) | - (cfg->valid_tx_ant == ANT_AC)) && + if (((priv->hw_params.valid_tx_ant == ANT_AB) | + (priv->hw_params.valid_tx_ant == ANT_BC) | + (priv->hw_params.valid_tx_ant == ANT_AC)) && (enhanced_txpower[element].mimo2_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].mimo2_max; - if ((cfg->valid_tx_ant == ANT_ABC) && + if ((priv->hw_params.valid_tx_ant == ANT_ABC) && (enhanced_txpower[element].mimo3_max > max_txpower_avg)) max_txpower_avg = enhanced_txpower[element].mimo3_max; @@ -691,7 +691,7 @@ static void iwl_eeprom_enhanced_txpower(struct iwl_priv *priv) ((txp->delta_20_in_40 & 0xf0) >> 4), (txp->delta_20_in_40 & 0x0f)); - max_txp_avg = iwl_get_max_txpower_avg(priv->cfg, txp_array, idx, + max_txp_avg = iwl_get_max_txpower_avg(priv, txp_array, idx, &max_txp_avg_halfdbm); /* From bd34ab62a3297bd7685da11b0cbe05ae4cd8b02c Mon Sep 17 00:00:00 2001 From: Meenakshi Venkataraman Date: Wed, 30 May 2012 11:39:33 +0200 Subject: [PATCH 007/241] mac80211: fix error in station state transitions during reconfig As part of hardware reconfig mac80211 tries to restore the station state to its values before the hardware reconfig, but it only goes to the last-state - 1. Fix this off-by-one error. Cc: stable@kernel.org [3.4] Signed-off-by: Meenakshi Venkataraman Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/util.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index a44c6807df01..8dd4712620ff 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1271,7 +1271,7 @@ int ieee80211_reconfig(struct ieee80211_local *local) enum ieee80211_sta_state state; for (state = IEEE80211_STA_NOTEXIST; - state < sta->sta_state - 1; state++) + state < sta->sta_state; state++) WARN_ON(drv_sta_state(local, sta->sdata, sta, state, state + 1)); } From 1ae2fc25a1289a84ca726541e3356ba5bcb7f7fe Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 30 May 2012 14:59:36 +0200 Subject: [PATCH 008/241] mac80211_hwsim: advertise interface combinations Enforcing interface combinations broke uses of hwsim with multiple virtual interfaces. Advertise that all combinations are possible to fix this. Reported-by: Nirav Shah Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/mac80211_hwsim.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index fb787df01666..4c9336cee817 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1721,6 +1721,24 @@ static void hwsim_exit_netlink(void) "unregister family %i\n", ret); } +static const struct ieee80211_iface_limit hwsim_if_limits[] = { + { .max = 1, .types = BIT(NL80211_IFTYPE_ADHOC) }, + { .max = 2048, .types = BIT(NL80211_IFTYPE_STATION) | + BIT(NL80211_IFTYPE_P2P_CLIENT) | +#ifdef CONFIG_MAC80211_MESH + BIT(NL80211_IFTYPE_MESH_POINT) | +#endif + BIT(NL80211_IFTYPE_AP) | + BIT(NL80211_IFTYPE_P2P_GO) }, +}; + +static const struct ieee80211_iface_combination hwsim_if_comb = { + .limits = hwsim_if_limits, + .n_limits = ARRAY_SIZE(hwsim_if_limits), + .max_interfaces = 2048, + .num_different_channels = 1, +}; + static int __init init_mac80211_hwsim(void) { int i, err = 0; @@ -1782,6 +1800,9 @@ static int __init init_mac80211_hwsim(void) hw->wiphy->n_addresses = 2; hw->wiphy->addresses = data->addresses; + hw->wiphy->iface_combinations = &hwsim_if_comb; + hw->wiphy->n_iface_combinations = 1; + if (fake_hw_scan) { hw->wiphy->max_scan_ssids = 255; hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN; From 71ecfa1893034eeb1c93e02e22ee2ad26d080858 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 31 May 2012 15:09:27 +0200 Subject: [PATCH 009/241] mac80211: clean up remain-on-channel on interface stop When any interface goes down, it could be the one that we were doing a remain-on-channel with. We therefore need to cancel the remain-on-channel and flush the related work structs so they don't run after the interface has been removed or even destroyed. It's also possible in this case that an off-channel SKB was never transmitted, so free it if this is the case. Note that this can also happen if the driver finishes the off-channel period without ever starting it. Cc: stable@kernel.org Reported-by: Nirav Shah Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/iface.c | 12 ++++++++++++ net/mac80211/offchannel.c | 16 ++++++++++++++++ 2 files changed, 28 insertions(+) diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index d4c19a7773db..8664111d0566 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -637,6 +637,18 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_configure_filter(local); break; default: + mutex_lock(&local->mtx); + if (local->hw_roc_dev == sdata->dev && + local->hw_roc_channel) { + /* ignore return value since this is racy */ + drv_cancel_remain_on_channel(local); + ieee80211_queue_work(&local->hw, &local->hw_roc_done); + } + mutex_unlock(&local->mtx); + + flush_work(&local->hw_roc_start); + flush_work(&local->hw_roc_done); + flush_work(&sdata->work); /* * When we get here, the interface is marked down. diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index f054e94901a2..935aa4b6deee 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -234,6 +234,22 @@ static void ieee80211_hw_roc_done(struct work_struct *work) return; } + /* was never transmitted */ + if (local->hw_roc_skb) { + u64 cookie; + + cookie = local->hw_roc_cookie ^ 2; + + cfg80211_mgmt_tx_status(local->hw_roc_dev, cookie, + local->hw_roc_skb->data, + local->hw_roc_skb->len, false, + GFP_KERNEL); + + kfree_skb(local->hw_roc_skb); + local->hw_roc_skb = NULL; + local->hw_roc_skb_for_status = NULL; + } + if (!local->hw_roc_for_tx) cfg80211_remain_on_channel_expired(local->hw_roc_dev, local->hw_roc_cookie, From d8c7aae64cd2db5eccc631c29fa978a24fb1feef Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Wed, 30 May 2012 15:32:24 +0200 Subject: [PATCH 010/241] mac80211: add missing rcu_read_lock/unlock in agg-rx session timer Fixes a lockdep warning: =================================================== [ INFO: suspicious rcu_dereference_check() usage. ] --------------------------------------------------- net/mac80211/agg-rx.c:148 invoked rcu_dereference_check() without protection! other info that might help us debug this: rcu_scheduler_active = 1, debug_locks = 1 1 lock held by arecord/11226: #0: (&tid_agg_rx->session_timer){+.-...}, at: [] call_timer_fn+0x0/0x360 stack backtrace: Pid: 11226, comm: arecord Not tainted 3.1.0-kml #16 Call Trace: [] lockdep_rcu_dereference+0xa4/0xc0 [] sta_rx_agg_session_timer_expired+0xc9/0x110 [mac80211] [] ? ieee80211_process_addba_resp+0x220/0x220 [mac80211] [] call_timer_fn+0x8a/0x360 [] ? init_timer_deferrable_key+0x30/0x30 [] ? _raw_spin_unlock_irq+0x30/0x70 [] run_timer_softirq+0x139/0x310 [] ? put_lock_stats.isra.25+0xe/0x40 [] ? lock_release_holdtime.part.26+0xdc/0x160 [] ? ieee80211_process_addba_resp+0x220/0x220 [mac80211] [] __do_softirq+0xc8/0x3c0 [] ? tick_dev_program_event+0x48/0x110 [] ? tick_program_event+0x1f/0x30 [] ? putname+0x35/0x50 [] call_softirq+0x1c/0x30 [] do_softirq+0xa5/0xe0 [] irq_exit+0xae/0xe0 [] smp_apic_timer_interrupt+0x6b/0x98 [] apic_timer_interrupt+0x73/0x80 [] ? free_debug_processing+0x1a1/0x1d5 [] ? putname+0x35/0x50 [] __slab_free+0x31/0x2ca [] ? _raw_spin_unlock_irqrestore+0x4a/0x90 [] ? __debug_check_no_obj_freed+0x15f/0x210 [] ? lock_release_nested+0x84/0xc0 [] ? kmem_cache_free+0x105/0x250 [] ? putname+0x35/0x50 [] ? putname+0x35/0x50 [] kmem_cache_free+0x23f/0x250 [] putname+0x35/0x50 [] do_sys_open+0x16d/0x1d0 [] sys_open+0x20/0x30 [] system_call_fastpath+0x16/0x1b Reported-by: Johannes Berg Signed-off-by: Felix Fietkau Signed-off-by: John W. Linville --- net/mac80211/agg-rx.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/net/mac80211/agg-rx.c b/net/mac80211/agg-rx.c index 26ddb699d693..c649188314cc 100644 --- a/net/mac80211/agg-rx.c +++ b/net/mac80211/agg-rx.c @@ -145,15 +145,20 @@ static void sta_rx_agg_session_timer_expired(unsigned long data) struct tid_ampdu_rx *tid_rx; unsigned long timeout; + rcu_read_lock(); tid_rx = rcu_dereference(sta->ampdu_mlme.tid_rx[*ptid]); - if (!tid_rx) + if (!tid_rx) { + rcu_read_unlock(); return; + } timeout = tid_rx->last_rx + TU_TO_JIFFIES(tid_rx->timeout); if (time_is_after_jiffies(timeout)) { mod_timer(&tid_rx->session_timer, timeout); + rcu_read_unlock(); return; } + rcu_read_unlock(); #ifdef CONFIG_MAC80211_HT_DEBUG printk(KERN_DEBUG "rx session timer expired on tid %d\n", (u16)*ptid); From 5204267d2fd5e98fc52b44fec01ad10352642b78 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 30 May 2012 13:25:54 -0700 Subject: [PATCH 011/241] mac80211: Fix likely misuse of | for & Using | with a constant is always true. Likely this should have be &. cc: Ben Greear Signed-off-by: Joe Perches Signed-off-by: John W. Linville --- net/mac80211/cfg.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 495831ee48f1..e9cecca5c44d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -533,16 +533,16 @@ static void ieee80211_get_et_stats(struct wiphy *wiphy, sinfo.filled = 0; sta_set_sinfo(sta, &sinfo); - if (sinfo.filled | STATION_INFO_TX_BITRATE) + if (sinfo.filled & STATION_INFO_TX_BITRATE) data[i] = 100000 * cfg80211_calculate_bitrate(&sinfo.txrate); i++; - if (sinfo.filled | STATION_INFO_RX_BITRATE) + if (sinfo.filled & STATION_INFO_RX_BITRATE) data[i] = 100000 * cfg80211_calculate_bitrate(&sinfo.rxrate); i++; - if (sinfo.filled | STATION_INFO_SIGNAL_AVG) + if (sinfo.filled & STATION_INFO_SIGNAL_AVG) data[i] = (u8)sinfo.signal_avg; i++; } else { From f304a993190965f48baa49792d5ab2849ae26bf9 Mon Sep 17 00:00:00 2001 From: Joe Perches Date: Wed, 30 May 2012 13:25:56 -0700 Subject: [PATCH 012/241] brcmfmac: Fix likely misuse of | for & Using | with a constant is always true. Likely this should have be &. Signed-off-by: Joe Perches Acked-by: Arend van Spriel Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c index e2480d196276..8e7e6928c936 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh.c @@ -89,9 +89,9 @@ int brcmf_sdio_intr_register(struct brcmf_sdio_dev *sdiodev) data |= 1 << SDIO_FUNC_1 | 1 << SDIO_FUNC_2 | 1; brcmf_sdio_regwb(sdiodev, SDIO_CCCR_IENx, data, &ret); - /* redirect, configure ane enable io for interrupt signal */ + /* redirect, configure and enable io for interrupt signal */ data = SDIO_SEPINT_MASK | SDIO_SEPINT_OE; - if (sdiodev->irq_flags | IRQF_TRIGGER_HIGH) + if (sdiodev->irq_flags & IRQF_TRIGGER_HIGH) data |= SDIO_SEPINT_ACT_HI; brcmf_sdio_regwb(sdiodev, SDIO_CCCR_BRCM_SEPINT, data, &ret); From e5851dac2c95af7159716832300b9f50c62c648e Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Fri, 1 Jun 2012 11:29:40 +0200 Subject: [PATCH 013/241] rt2x00: use atomic variable for seqno Remove spinlock as atomic_t can be used instead. Note we use only 16 lower bits, upper bits are changed but we impilcilty cast to u16. This fix possible deadlock on IBSS mode reproted by lockdep: ================================= [ INFO: inconsistent lock state ] 3.4.0-wl+ #4 Not tainted --------------------------------- inconsistent {IN-SOFTIRQ-W} -> {SOFTIRQ-ON-W} usage. kworker/u:2/30374 [HC0[0]:SC0[0]:HE1:SE1] takes: (&(&intf->seqlock)->rlock){+.?...}, at: [] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib] {IN-SOFTIRQ-W} state was registered at: [] __lock_acquire+0x47b/0x1050 [] lock_acquire+0x84/0xf0 [] _raw_spin_lock+0x33/0x40 [] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib] [] rt2x00queue_write_tx_frame+0x1a/0x300 [rt2x00lib] [] rt2x00mac_tx+0x7f/0x380 [rt2x00lib] [] __ieee80211_tx+0x1b3/0x300 [mac80211] [] ieee80211_tx+0x105/0x130 [mac80211] [] ieee80211_xmit+0xad/0x100 [mac80211] [] ieee80211_subif_start_xmit+0x2d9/0x930 [mac80211] [] dev_hard_start_xmit+0x307/0x660 [] sch_direct_xmit+0xa1/0x1e0 [] dev_queue_xmit+0x183/0x730 [] neigh_resolve_output+0xfa/0x1e0 [] ip_finish_output+0x24a/0x460 [] ip_output+0xb7/0x100 [] ip_local_out+0x20/0x60 [] igmpv3_sendpack+0x4f/0x60 [] igmp_ifc_timer_expire+0x29f/0x330 [] run_timer_softirq+0x15c/0x2f0 [] __do_softirq+0xae/0x1e0 irq event stamp: 18380437 hardirqs last enabled at (18380437): [] __slab_alloc.clone.3+0x67/0x5f0 hardirqs last disabled at (18380436): [] __slab_alloc.clone.3+0x33/0x5f0 softirqs last enabled at (18377616): [] __do_softirq+0x123/0x1e0 softirqs last disabled at (18377611): [] do_softirq+0x9d/0xe0 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(&(&intf->seqlock)->rlock); lock(&(&intf->seqlock)->rlock); *** DEADLOCK *** 4 locks held by kworker/u:2/30374: #0: (wiphy_name(local->hw.wiphy)){++++.+}, at: [] process_one_work+0x109/0x3f0 #1: ((&sdata->work)){+.+.+.}, at: [] process_one_work+0x109/0x3f0 #2: (&ifibss->mtx){+.+.+.}, at: [] ieee80211_ibss_work+0x1b/0x470 [mac80211] #3: (&intf->beacon_skb_mutex){+.+...}, at: [] rt2x00queue_update_beacon+0x24/0x50 [rt2x00lib] stack backtrace: Pid: 30374, comm: kworker/u:2 Not tainted 3.4.0-wl+ #4 Call Trace: [] print_usage_bug+0x1f6/0x220 [] mark_lock+0x2c2/0x300 [] ? check_usage_forwards+0xc0/0xc0 [] __lock_acquire+0x4bc/0x1050 [] ? __kmalloc_track_caller+0x1c0/0x1d0 [] ? copy_skb_header+0x26/0x90 [] lock_acquire+0x84/0xf0 [] ? rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib] [] _raw_spin_lock+0x33/0x40 [] ? rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib] [] rt2x00queue_create_tx_descriptor+0x380/0x490 [rt2x00lib] [] rt2x00queue_update_beacon_locked+0x5f/0xb0 [rt2x00lib] [] rt2x00queue_update_beacon+0x2d/0x50 [rt2x00lib] [] rt2x00mac_bss_info_changed+0x1ca/0x200 [rt2x00lib] [] ? rt2x00mac_remove_interface+0x70/0x70 [rt2x00lib] [] ieee80211_bss_info_change_notify+0xe0/0x1d0 [mac80211] [] __ieee80211_sta_join_ibss+0x3b8/0x610 [mac80211] [] ? mark_held_locks+0x64/0xc0 [] ? virt_efi_query_capsule_caps+0x12/0x50 [] ieee80211_sta_join_ibss+0xf9/0x140 [mac80211] [] ieee80211_ibss_work+0x416/0x470 [mac80211] [] ? trace_hardirqs_on+0xb/0x10 [] ? skb_dequeue+0x4b/0x70 [] ieee80211_iface_work+0x13f/0x230 [mac80211] [] ? process_one_work+0x109/0x3f0 [] process_one_work+0x185/0x3f0 [] ? process_one_work+0x109/0x3f0 [] ? ieee80211_teardown_sdata+0xa0/0xa0 [mac80211] [] worker_thread+0x116/0x270 [] ? manage_workers+0x1e0/0x1e0 [] kthread+0x84/0x90 [] ? __init_kthread_worker+0x60/0x60 [] kernel_thread_helper+0x6/0x10 Cc: stable@vger.kernel.org Signed-off-by: Stanislaw Gruszka Acked-by: Helmut Schaa Acked-by: Gertjan van Wingerde Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00.h | 3 +-- drivers/net/wireless/rt2x00/rt2x00mac.c | 1 - drivers/net/wireless/rt2x00/rt2x00queue.c | 13 ++++++------- 3 files changed, 7 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2x00.h b/drivers/net/wireless/rt2x00/rt2x00.h index ca36cccaba31..8f754025b06e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00.h +++ b/drivers/net/wireless/rt2x00/rt2x00.h @@ -396,8 +396,7 @@ struct rt2x00_intf { * for hardware which doesn't support hardware * sequence counting. */ - spinlock_t seqlock; - u16 seqno; + atomic_t seqno; }; static inline struct rt2x00_intf* vif_to_intf(struct ieee80211_vif *vif) diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index b49773ef72f2..dd24b2663b5e 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -277,7 +277,6 @@ int rt2x00mac_add_interface(struct ieee80211_hw *hw, else rt2x00dev->intf_sta_count++; - spin_lock_init(&intf->seqlock); mutex_init(&intf->beacon_skb_mutex); intf->beacon = entry; diff --git a/drivers/net/wireless/rt2x00/rt2x00queue.c b/drivers/net/wireless/rt2x00/rt2x00queue.c index 4c662eccf53c..2fd830103415 100644 --- a/drivers/net/wireless/rt2x00/rt2x00queue.c +++ b/drivers/net/wireless/rt2x00/rt2x00queue.c @@ -207,6 +207,7 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; struct rt2x00_intf *intf = vif_to_intf(tx_info->control.vif); + u16 seqno; if (!(tx_info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ)) return; @@ -238,15 +239,13 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev, * sequence counting per-frame, since those will override the * sequence counter given by mac80211. */ - spin_lock(&intf->seqlock); - if (test_bit(ENTRY_TXD_FIRST_FRAGMENT, &txdesc->flags)) - intf->seqno += 0x10; - hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); - hdr->seq_ctrl |= cpu_to_le16(intf->seqno); - - spin_unlock(&intf->seqlock); + seqno = atomic_add_return(0x10, &intf->seqno); + else + seqno = atomic_read(&intf->seqno); + hdr->seq_ctrl &= cpu_to_le16(IEEE80211_SCTL_FRAG); + hdr->seq_ctrl |= cpu_to_le16(seqno); } static void rt2x00queue_create_tx_descriptor_plcp(struct rt2x00_dev *rt2x00dev, From 69aaedd3cfd23b2c732e3cf1227370a35f5c89d4 Mon Sep 17 00:00:00 2001 From: Seth Forshee Date: Fri, 1 Jun 2012 09:13:17 -0500 Subject: [PATCH 014/241] bcma: add ext PA workaround for BCM4331 and BCM43431 MacBook Pro models with BCM4331 wireless have been found to have the ext PA lines disabled after resuming from S3 without external power attach. This causes them to be unable to transmit. Add a workaround to ensure that the ext PA lines are enabled on BCM4331. Also extend all handling of ext PA line muxing to BCM43431 as is done in the Broadcom SDK. BugLink: http://bugs.launchpad.net/bugs/925577 Cc: Arend van Spriel Cc: Hauke Mehrtens Cc: stable@vger.kernel.org Signed-off-by: Seth Forshee Signed-off-by: John W. Linville --- drivers/bcma/driver_chipcommon_pmu.c | 4 +++- drivers/bcma/sprom.c | 4 ++-- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/drivers/bcma/driver_chipcommon_pmu.c b/drivers/bcma/driver_chipcommon_pmu.c index a058842f14fd..61ce4054b3c3 100644 --- a/drivers/bcma/driver_chipcommon_pmu.c +++ b/drivers/bcma/driver_chipcommon_pmu.c @@ -139,7 +139,9 @@ void bcma_pmu_workarounds(struct bcma_drv_cc *cc) bcma_chipco_chipctl_maskset(cc, 0, ~0, 0x7); break; case 0x4331: - /* BCM4331 workaround is SPROM-related, we put it in sprom.c */ + case 43431: + /* Ext PA lines must be enabled for tx on BCM4331 */ + bcma_chipco_bcm4331_ext_pa_lines_ctl(cc, true); break; case 43224: if (bus->chipinfo.rev == 0) { diff --git a/drivers/bcma/sprom.c b/drivers/bcma/sprom.c index c7f93359acb0..f16f42d36071 100644 --- a/drivers/bcma/sprom.c +++ b/drivers/bcma/sprom.c @@ -579,13 +579,13 @@ int bcma_sprom_get(struct bcma_bus *bus) if (!sprom) return -ENOMEM; - if (bus->chipinfo.id == 0x4331) + if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431) bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, false); pr_debug("SPROM offset 0x%x\n", offset); bcma_sprom_read(bus, offset, sprom); - if (bus->chipinfo.id == 0x4331) + if (bus->chipinfo.id == 0x4331 || bus->chipinfo.id == 43431) bcma_chipco_bcm4331_ext_pa_lines_ctl(&bus->drv_cc, true); err = bcma_sprom_valid(sprom); From 794454ce72a298de6f4536ade597bdcc7dcde7c7 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Sun, 3 Jun 2012 23:32:32 +0300 Subject: [PATCH 015/241] mac80211: fix non RCU-safe sta_list manipulation sta_info_cleanup locks the sta_list using rcu_read_lock however the delete operation isn't rcu safe. A race between sta_info_cleanup timer being called and a STA being removed can occur which leads to a panic while traversing sta_list. Fix this by switching to the RCU-safe versions. Cc: stable@vger.kernel.org Reported-by: Eyal Shapira Signed-off-by: Arik Nemtsov Signed-off-by: John W. Linville --- net/mac80211/sta_info.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/mac80211/sta_info.c b/net/mac80211/sta_info.c index f5b1638fbf80..de455f8bbb91 100644 --- a/net/mac80211/sta_info.c +++ b/net/mac80211/sta_info.c @@ -378,7 +378,7 @@ static int sta_info_insert_finish(struct sta_info *sta) __acquires(RCU) /* make the station visible */ sta_info_hash_add(local, sta); - list_add(&sta->list, &local->sta_list); + list_add_rcu(&sta->list, &local->sta_list); set_sta_flag(sta, WLAN_STA_INSERTED); @@ -688,7 +688,7 @@ int __must_check __sta_info_destroy(struct sta_info *sta) if (ret) return ret; - list_del(&sta->list); + list_del_rcu(&sta->list); mutex_lock(&local->key_mtx); for (i = 0; i < NUM_DEFAULT_KEYS; i++) From fcb6ff5e2cb83e1de10631f6621f45ca3401bf61 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Mon, 4 Jun 2012 13:43:11 +0200 Subject: [PATCH 016/241] iwlwifi: disable WoWLAN if !CONFIG_PM_SLEEP If CONFIG_PM_SLEEP is disabled, then iwlwifi doesn't support suspend/resume handlers and thus mac80211 (correctly) refuses advertising WoWLAN. Disable WoWLAN in the driver in this case. Cc: stable@kernel.org Reported-by: Sebastian Kemper Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-mac80211.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index ab2f4d7500a4..5d158ca9d246 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -199,6 +199,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, WIPHY_FLAG_DISABLE_BEACON_HINTS | WIPHY_FLAG_IBSS_RSN; +#ifdef CONFIG_PM_SLEEP if (priv->fw->img[IWL_UCODE_WOWLAN].sec[0].len && priv->trans->ops->wowlan_suspend && device_can_wakeup(priv->trans->dev)) { @@ -217,6 +218,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, hw->wiphy->wowlan.pattern_max_len = IWLAGN_WOWLAN_MAX_PATTERN_LEN; } +#endif if (iwlwifi_mod_params.power_save) hw->wiphy->flags |= WIPHY_FLAG_PS_ON_BY_DEFAULT; From c7aa12252f5142b9eee2f6e34ca8870a8e7e048c Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Fri, 4 May 2012 11:24:16 +0200 Subject: [PATCH 017/241] NFC: Take a reference on the LLCP local pointer when creating a socket LLCP sockets point to their local LLCP service, so they need to take a reference on it. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 46 ++++++++++++++++++++++++++++++--------------- net/nfc/llcp/llcp.h | 4 ++++ net/nfc/llcp/sock.c | 14 +++++--------- 3 files changed, 40 insertions(+), 24 deletions(-) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 42994fac26d6..0f6dd3a53dca 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -59,8 +59,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) release_sock(sk); sock_orphan(sk); - - s->local = NULL; } parent_sk = &parent->sk; @@ -83,8 +81,6 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) release_sock(accept_sk); sock_orphan(accept_sk); - - lsk->local = NULL; } } @@ -96,13 +92,39 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) release_sock(parent_sk); sock_orphan(parent_sk); - - parent->local = NULL; } mutex_unlock(&local->socket_lock); } +struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local) +{ + kref_get(&local->ref); + + return local; +} + +static void local_release(struct kref *ref) +{ + struct nfc_llcp_local *local; + + local = container_of(ref, struct nfc_llcp_local, ref); + + list_del(&local->list); + nfc_llcp_socket_release(local); + del_timer_sync(&local->link_timer); + skb_queue_purge(&local->tx_queue); + destroy_workqueue(local->tx_wq); + destroy_workqueue(local->rx_wq); + kfree_skb(local->rx_pending); + kfree(local); +} + +int nfc_llcp_local_put(struct nfc_llcp_local *local) +{ + return kref_put(&local->ref, local_release); +} + static void nfc_llcp_clear_sdp(struct nfc_llcp_local *local) { mutex_lock(&local->sdp_lock); @@ -612,7 +634,7 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, new_sock = nfc_llcp_sock(new_sk); new_sock->dev = local->dev; - new_sock->local = local; + new_sock->local = nfc_llcp_local_get(local); new_sock->nfc_protocol = sock->nfc_protocol; new_sock->ssap = bound_sap; new_sock->dsap = ssap; @@ -943,6 +965,7 @@ int nfc_llcp_register_device(struct nfc_dev *ndev) local->dev = ndev; INIT_LIST_HEAD(&local->list); + kref_init(&local->ref); mutex_init(&local->sdp_lock); mutex_init(&local->socket_lock); init_timer(&local->link_timer); @@ -1015,14 +1038,7 @@ void nfc_llcp_unregister_device(struct nfc_dev *dev) return; } - list_del(&local->list); - nfc_llcp_socket_release(local); - del_timer_sync(&local->link_timer); - skb_queue_purge(&local->tx_queue); - destroy_workqueue(local->tx_wq); - destroy_workqueue(local->rx_wq); - kfree_skb(local->rx_pending); - kfree(local); + nfc_llcp_local_put(local); } int __init nfc_llcp_init(void) diff --git a/net/nfc/llcp/llcp.h b/net/nfc/llcp/llcp.h index 50680ce5ae43..bc619553821b 100644 --- a/net/nfc/llcp/llcp.h +++ b/net/nfc/llcp/llcp.h @@ -44,6 +44,8 @@ struct nfc_llcp_local { struct list_head list; struct nfc_dev *dev; + struct kref ref; + struct mutex sdp_lock; struct mutex socket_lock; @@ -165,6 +167,8 @@ struct nfc_llcp_sock { struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev); +struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local); +int nfc_llcp_local_put(struct nfc_llcp_local *local); u8 nfc_llcp_get_sdp_ssap(struct nfc_llcp_local *local, struct nfc_llcp_sock *sock); u8 nfc_llcp_get_local_ssap(struct nfc_llcp_local *local); diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 3f339b19d140..9ac397b17718 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -111,7 +111,7 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) } llcp_sock->dev = dev; - llcp_sock->local = local; + llcp_sock->local = nfc_llcp_local_get(local); llcp_sock->nfc_protocol = llcp_addr.nfc_protocol; llcp_sock->service_name_len = min_t(unsigned int, llcp_addr.service_name_len, @@ -487,7 +487,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, } llcp_sock->dev = dev; - llcp_sock->local = local; + llcp_sock->local = nfc_llcp_local_get(local); llcp_sock->ssap = nfc_llcp_get_local_ssap(local); if (llcp_sock->ssap == LLCP_SAP_MAX) { ret = -ENOMEM; @@ -701,8 +701,6 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp) void nfc_llcp_sock_free(struct nfc_llcp_sock *sock) { - struct nfc_llcp_local *local = sock->local; - kfree(sock->service_name); skb_queue_purge(&sock->tx_queue); @@ -710,13 +708,11 @@ void nfc_llcp_sock_free(struct nfc_llcp_sock *sock) skb_queue_purge(&sock->tx_backlog_queue); list_del_init(&sock->accept_queue); - - if (local != NULL && sock == local->sockets[sock->ssap]) - local->sockets[sock->ssap] = NULL; - else - list_del_init(&sock->list); + list_del_init(&sock->list); sock->parent = NULL; + + nfc_llcp_local_put(sock->local); } static int llcp_sock_create(struct net *net, struct socket *sock, From a69f32af86e389dd232b1bb2269e202c1bfcc60f Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Fri, 4 May 2012 17:04:19 +0200 Subject: [PATCH 018/241] NFC: Socket linked list Simplify the LLCP sockets structure by putting all the connected ones into a single linked list. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 249 ++++++++++++++++++++++++-------------------- net/nfc/llcp/llcp.h | 12 ++- net/nfc/llcp/sock.c | 32 +++--- 3 files changed, 158 insertions(+), 135 deletions(-) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 0f6dd3a53dca..262aa827fd7f 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -31,45 +31,41 @@ static u8 llcp_magic[3] = {0x46, 0x66, 0x6d}; static struct list_head llcp_devices; -static void nfc_llcp_socket_release(struct nfc_llcp_local *local) +void nfc_llcp_sock_link(struct llcp_sock_list *l, struct sock *sk) { - struct nfc_llcp_sock *parent, *s, *n; - struct sock *sk, *parent_sk; - int i; - - mutex_lock(&local->socket_lock); - - for (i = 0; i < LLCP_MAX_SAP; i++) { - parent = local->sockets[i]; - if (parent == NULL) - continue; - - /* Release all child sockets */ - list_for_each_entry_safe(s, n, &parent->list, list) { - list_del_init(&s->list); - sk = &s->sk; - - lock_sock(sk); + write_lock(&l->lock); + sk_add_node(sk, &l->head); + write_unlock(&l->lock); +} - if (sk->sk_state == LLCP_CONNECTED) - nfc_put_device(s->dev); +void nfc_llcp_sock_unlink(struct llcp_sock_list *l, struct sock *sk) +{ + write_lock(&l->lock); + sk_del_node_init(sk); + write_unlock(&l->lock); +} - sk->sk_state = LLCP_CLOSED; +static void nfc_llcp_socket_release(struct nfc_llcp_local *local) +{ + struct sock *sk; + struct hlist_node *node, *tmp; + struct nfc_llcp_sock *llcp_sock; - release_sock(sk); + write_lock(&local->sockets.lock); - sock_orphan(sk); - } + sk_for_each_safe(sk, node, tmp, &local->sockets.head) { + llcp_sock = nfc_llcp_sock(sk); - parent_sk = &parent->sk; + lock_sock(sk); - lock_sock(parent_sk); + if (sk->sk_state == LLCP_CONNECTED) + nfc_put_device(llcp_sock->dev); - if (parent_sk->sk_state == LLCP_LISTEN) { + if (sk->sk_state == LLCP_LISTEN) { struct nfc_llcp_sock *lsk, *n; struct sock *accept_sk; - list_for_each_entry_safe(lsk, n, &parent->accept_queue, + list_for_each_entry_safe(lsk, n, &llcp_sock->accept_queue, accept_queue) { accept_sk = &lsk->sk; lock_sock(accept_sk); @@ -84,17 +80,16 @@ static void nfc_llcp_socket_release(struct nfc_llcp_local *local) } } - if (parent_sk->sk_state == LLCP_CONNECTED) - nfc_put_device(parent->dev); + sk->sk_state = LLCP_CLOSED; - parent_sk->sk_state = LLCP_CLOSED; + release_sock(sk); - release_sock(parent_sk); + sock_orphan(sk); - sock_orphan(parent_sk); + sk_del_node_init(sk); } - mutex_unlock(&local->socket_lock); + write_unlock(&local->sockets.lock); } struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local) @@ -122,6 +117,11 @@ static void local_release(struct kref *ref) int nfc_llcp_local_put(struct nfc_llcp_local *local) { + WARN_ON(local == NULL); + + if (local == NULL) + return 0; + return kref_put(&local->ref, local_release); } @@ -465,46 +465,107 @@ static void nfc_llcp_set_nrns(struct nfc_llcp_sock *sock, struct sk_buff *pdu) sock->recv_ack_n = (sock->recv_n - 1) % 16; } +static struct nfc_llcp_sock *nfc_llcp_connecting_sock_get(struct nfc_llcp_local *local, + u8 ssap) +{ + struct sock *sk; + struct nfc_llcp_sock *llcp_sock; + struct hlist_node *node; + + read_lock(&local->connecting_sockets.lock); + + sk_for_each(sk, node, &local->connecting_sockets.head) { + llcp_sock = nfc_llcp_sock(sk); + + if (llcp_sock->ssap == ssap) + goto out; + } + + llcp_sock = NULL; + +out: + read_unlock(&local->connecting_sockets.lock); + + sock_hold(&llcp_sock->sk); + + return llcp_sock; +} + static struct nfc_llcp_sock *nfc_llcp_sock_get(struct nfc_llcp_local *local, u8 ssap, u8 dsap) { - struct nfc_llcp_sock *sock, *llcp_sock, *n; + struct sock *sk; + struct hlist_node *node; + struct nfc_llcp_sock *llcp_sock; pr_debug("ssap dsap %d %d\n", ssap, dsap); if (ssap == 0 && dsap == 0) return NULL; - mutex_lock(&local->socket_lock); - sock = local->sockets[ssap]; - if (sock == NULL) { - mutex_unlock(&local->socket_lock); - return NULL; - } + read_lock(&local->sockets.lock); + + llcp_sock = NULL; - pr_debug("root dsap %d (%d)\n", sock->dsap, dsap); + sk_for_each(sk, node, &local->sockets.head) { + llcp_sock = nfc_llcp_sock(sk); - if (sock->dsap == dsap) { - sock_hold(&sock->sk); - mutex_unlock(&local->socket_lock); - return sock; + if (llcp_sock->ssap == ssap && + llcp_sock->dsap == dsap) + break; } - list_for_each_entry_safe(llcp_sock, n, &sock->list, list) { - pr_debug("llcp_sock %p sk %p dsap %d\n", llcp_sock, - &llcp_sock->sk, llcp_sock->dsap); - if (llcp_sock->dsap == dsap) { - sock_hold(&llcp_sock->sk); - mutex_unlock(&local->socket_lock); - return llcp_sock; - } + read_unlock(&local->sockets.lock); + + if (llcp_sock == NULL) + return NULL; + + sock_hold(&llcp_sock->sk); + + return llcp_sock; +} + +static struct nfc_llcp_sock *nfc_llcp_sock_get_sn(struct nfc_llcp_local *local, + u8 *sn, size_t sn_len) +{ + struct sock *sk; + struct hlist_node *node; + struct nfc_llcp_sock *llcp_sock; + + pr_debug("sn %zd\n", sn_len); + + if (sn == NULL || sn_len == 0) + return NULL; + + read_lock(&local->sockets.lock); + + llcp_sock = NULL; + + sk_for_each(sk, node, &local->sockets.head) { + llcp_sock = nfc_llcp_sock(sk); + + if (llcp_sock->sk.sk_state != LLCP_LISTEN) + continue; + + if (llcp_sock->service_name == NULL || + llcp_sock->service_name_len == 0) + continue; + + if (llcp_sock->service_name_len != sn_len) + continue; + + if (memcmp(sn, llcp_sock->service_name, sn_len) == 0) + break; } - pr_err("Could not find socket for %d %d\n", ssap, dsap); + read_unlock(&local->sockets.lock); - mutex_unlock(&local->socket_lock); + if (llcp_sock == NULL) + return NULL; - return NULL; + sock_hold(&llcp_sock->sk); + + return llcp_sock; } static void nfc_llcp_sock_put(struct nfc_llcp_sock *sock) @@ -540,7 +601,7 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, { struct sock *new_sk, *parent; struct nfc_llcp_sock *sock, *new_sock; - u8 dsap, ssap, bound_sap, reason; + u8 dsap, ssap, reason; dsap = nfc_llcp_dsap(skb); ssap = nfc_llcp_ssap(skb); @@ -551,24 +612,11 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, skb->len - LLCP_HEADER_SIZE); if (dsap != LLCP_SAP_SDP) { - bound_sap = dsap; - - mutex_lock(&local->socket_lock); - sock = local->sockets[dsap]; - if (sock == NULL) { - mutex_unlock(&local->socket_lock); + sock = nfc_llcp_sock_get(local, dsap, LLCP_SAP_SDP); + if (sock == NULL || sock->sk.sk_state != LLCP_LISTEN) { reason = LLCP_DM_NOBOUND; goto fail; } - - sock_hold(&sock->sk); - mutex_unlock(&local->socket_lock); - - lock_sock(&sock->sk); - - if (sock->dsap == LLCP_SAP_SDP && - sock->sk.sk_state == LLCP_LISTEN) - goto enqueue; } else { u8 *sn; size_t sn_len; @@ -581,40 +629,15 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, pr_debug("Service name length %zu\n", sn_len); - mutex_lock(&local->socket_lock); - for (bound_sap = 0; bound_sap < LLCP_LOCAL_SAP_OFFSET; - bound_sap++) { - sock = local->sockets[bound_sap]; - if (sock == NULL) - continue; - - if (sock->service_name == NULL || - sock->service_name_len == 0) - continue; - - if (sock->service_name_len != sn_len) - continue; - - if (sock->dsap == LLCP_SAP_SDP && - sock->sk.sk_state == LLCP_LISTEN && - !memcmp(sn, sock->service_name, sn_len)) { - pr_debug("Found service name at SAP %d\n", - bound_sap); - sock_hold(&sock->sk); - mutex_unlock(&local->socket_lock); - - lock_sock(&sock->sk); - - goto enqueue; - } + sock = nfc_llcp_sock_get_sn(local, sn, sn_len); + if (sock == NULL) { + reason = LLCP_DM_NOBOUND; + goto fail; } - mutex_unlock(&local->socket_lock); } - reason = LLCP_DM_NOBOUND; - goto fail; + lock_sock(&sock->sk); -enqueue: parent = &sock->sk; if (sk_acceptq_is_full(parent)) { @@ -636,13 +659,13 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, new_sock->dev = local->dev; new_sock->local = nfc_llcp_local_get(local); new_sock->nfc_protocol = sock->nfc_protocol; - new_sock->ssap = bound_sap; + new_sock->ssap = sock->ssap; new_sock->dsap = ssap; new_sock->parent = parent; pr_debug("new sock %p sk %p\n", new_sock, &new_sock->sk); - list_add_tail(&new_sock->list, &sock->list); + nfc_llcp_sock_link(&local->sockets, new_sk); nfc_llcp_accept_enqueue(&sock->sk, new_sk); @@ -813,11 +836,7 @@ static void nfc_llcp_recv_cc(struct nfc_llcp_local *local, struct sk_buff *skb) dsap = nfc_llcp_dsap(skb); ssap = nfc_llcp_ssap(skb); - llcp_sock = nfc_llcp_sock_get(local, dsap, ssap); - - if (llcp_sock == NULL) - llcp_sock = nfc_llcp_sock_get(local, dsap, LLCP_SAP_SDP); - + llcp_sock = nfc_llcp_connecting_sock_get(local, dsap); if (llcp_sock == NULL) { pr_err("Invalid CC\n"); nfc_llcp_send_dm(local, dsap, ssap, LLCP_DM_NOCONN); @@ -825,9 +844,13 @@ static void nfc_llcp_recv_cc(struct nfc_llcp_local *local, struct sk_buff *skb) return; } - llcp_sock->dsap = ssap; sk = &llcp_sock->sk; + /* Unlink from connecting and link to the client array */ + nfc_llcp_sock_unlink(&local->connecting_sockets, sk); + nfc_llcp_sock_link(&local->sockets, sk); + llcp_sock->dsap = ssap; + nfc_llcp_parse_tlv(local, &skb->data[LLCP_HEADER_SIZE], skb->len - LLCP_HEADER_SIZE); @@ -967,7 +990,6 @@ int nfc_llcp_register_device(struct nfc_dev *ndev) INIT_LIST_HEAD(&local->list); kref_init(&local->ref); mutex_init(&local->sdp_lock); - mutex_init(&local->socket_lock); init_timer(&local->link_timer); local->link_timer.data = (unsigned long) local; local->link_timer.function = nfc_llcp_symm_timer; @@ -1007,6 +1029,9 @@ int nfc_llcp_register_device(struct nfc_dev *ndev) goto err_rx_wq; } + local->sockets.lock = __RW_LOCK_UNLOCKED(local->sockets.lock); + local->connecting_sockets.lock = __RW_LOCK_UNLOCKED(local->connecting_sockets.lock); + nfc_llcp_build_gb(local); local->remote_miu = LLCP_DEFAULT_MIU; diff --git a/net/nfc/llcp/llcp.h b/net/nfc/llcp/llcp.h index bc619553821b..705330470062 100644 --- a/net/nfc/llcp/llcp.h +++ b/net/nfc/llcp/llcp.h @@ -40,6 +40,11 @@ enum llcp_state { struct nfc_llcp_sock; +struct llcp_sock_list { + struct hlist_head head; + rwlock_t lock; +}; + struct nfc_llcp_local { struct list_head list; struct nfc_dev *dev; @@ -47,7 +52,6 @@ struct nfc_llcp_local { struct kref ref; struct mutex sdp_lock; - struct mutex socket_lock; struct timer_list link_timer; struct sk_buff_head tx_queue; @@ -82,12 +86,12 @@ struct nfc_llcp_local { u8 remote_rw; /* sockets array */ - struct nfc_llcp_sock *sockets[LLCP_MAX_SAP]; + struct llcp_sock_list sockets; + struct llcp_sock_list connecting_sockets; }; struct nfc_llcp_sock { struct sock sk; - struct list_head list; struct nfc_dev *dev; struct nfc_llcp_local *local; u32 target_idx; @@ -166,6 +170,8 @@ struct nfc_llcp_sock { #define LLCP_DM_REJ 0x03 +void nfc_llcp_sock_link(struct llcp_sock_list *l, struct sock *s); +void nfc_llcp_sock_unlink(struct llcp_sock_list *l, struct sock *s); struct nfc_llcp_local *nfc_llcp_find_local(struct nfc_dev *dev); struct nfc_llcp_local *nfc_llcp_local_get(struct nfc_llcp_local *local); int nfc_llcp_local_put(struct nfc_llcp_local *local); diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 9ac397b17718..8a60b53579b9 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -124,7 +124,7 @@ static int llcp_sock_bind(struct socket *sock, struct sockaddr *addr, int alen) if (llcp_sock->ssap == LLCP_MAX_SAP) goto put_dev; - local->sockets[llcp_sock->ssap] = llcp_sock; + nfc_llcp_sock_link(&local->sockets, sk); pr_debug("Socket bound to SAP %d\n", llcp_sock->ssap); @@ -379,15 +379,6 @@ static int llcp_sock_release(struct socket *sock) goto out; } - mutex_lock(&local->socket_lock); - - if (llcp_sock == local->sockets[llcp_sock->ssap]) - local->sockets[llcp_sock->ssap] = NULL; - else - list_del_init(&llcp_sock->list); - - mutex_unlock(&local->socket_lock); - lock_sock(sk); /* Send a DISC */ @@ -412,14 +403,12 @@ static int llcp_sock_release(struct socket *sock) } } - /* Freeing the SAP */ - if ((sk->sk_state == LLCP_CONNECTED - && llcp_sock->ssap > LLCP_LOCAL_SAP_OFFSET) || - sk->sk_state == LLCP_BOUND || sk->sk_state == LLCP_LISTEN) - nfc_llcp_put_ssap(llcp_sock->local, llcp_sock->ssap); + nfc_llcp_put_ssap(llcp_sock->local, llcp_sock->ssap); release_sock(sk); + nfc_llcp_sock_unlink(&local->sockets, sk); + out: sock_orphan(sk); sock_put(sk); @@ -505,21 +494,26 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, llcp_sock->service_name_len, GFP_KERNEL); - local->sockets[llcp_sock->ssap] = llcp_sock; + nfc_llcp_sock_link(&local->connecting_sockets, sk); ret = nfc_llcp_send_connect(llcp_sock); if (ret) - goto put_dev; + goto sock_unlink; ret = sock_wait_state(sk, LLCP_CONNECTED, sock_sndtimeo(sk, flags & O_NONBLOCK)); if (ret) - goto put_dev; + goto sock_unlink; release_sock(sk); return 0; +sock_unlink: + nfc_llcp_put_ssap(local, llcp_sock->ssap); + + nfc_llcp_sock_unlink(&local->connecting_sockets, sk); + put_dev: nfc_put_device(dev); @@ -690,7 +684,6 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp) skb_queue_head_init(&llcp_sock->tx_queue); skb_queue_head_init(&llcp_sock->tx_pending_queue); skb_queue_head_init(&llcp_sock->tx_backlog_queue); - INIT_LIST_HEAD(&llcp_sock->list); INIT_LIST_HEAD(&llcp_sock->accept_queue); if (sock != NULL) @@ -708,7 +701,6 @@ void nfc_llcp_sock_free(struct nfc_llcp_sock *sock) skb_queue_purge(&sock->tx_backlog_queue); list_del_init(&sock->accept_queue); - list_del_init(&sock->list); sock->parent = NULL; From 7a06e586b9bfcaca310f40a857cf144d04abc8e6 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 7 May 2012 22:03:34 +0200 Subject: [PATCH 019/241] NFC: Move LLCP receiver window value to socket structure RW can only be fetched from a CONNECT or a CC frame thus making it an end points specific value, not a link one. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/commands.c | 45 ++++++++++++++++++++++++++++++++++------- net/nfc/llcp/llcp.c | 21 +++++++++---------- net/nfc/llcp/llcp.h | 9 ++++++--- net/nfc/llcp/sock.c | 1 + 4 files changed, 55 insertions(+), 21 deletions(-) diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index bf8ae4f0b90c..eb51864089ef 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -117,8 +117,8 @@ u8 *nfc_llcp_build_tlv(u8 type, u8 *value, u8 value_length, u8 *tlv_length) return tlv; } -int nfc_llcp_parse_tlv(struct nfc_llcp_local *local, - u8 *tlv_array, u16 tlv_array_len) +int nfc_llcp_parse_gb_tlv(struct nfc_llcp_local *local, + u8 *tlv_array, u16 tlv_array_len) { u8 *tlv = tlv_array, type, length, offset = 0; @@ -149,8 +149,42 @@ int nfc_llcp_parse_tlv(struct nfc_llcp_local *local, case LLCP_TLV_OPT: local->remote_opt = llcp_tlv_opt(tlv); break; + default: + pr_err("Invalid gt tlv value 0x%x\n", type); + break; + } + + offset += length + 2; + tlv += length + 2; + } + + pr_debug("version 0x%x miu %d lto %d opt 0x%x wks 0x%x\n", + local->remote_version, local->remote_miu, + local->remote_lto, local->remote_opt, + local->remote_wks); + + return 0; +} + +int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock, + u8 *tlv_array, u16 tlv_array_len) +{ + u8 *tlv = tlv_array, type, length, offset = 0; + + pr_debug("TLV array length %d\n", tlv_array_len); + + if (sock == NULL) + return -ENOTCONN; + + while (offset < tlv_array_len) { + type = tlv[0]; + length = tlv[1]; + + pr_debug("type 0x%x length %d\n", type, length); + + switch (type) { case LLCP_TLV_RW: - local->remote_rw = llcp_tlv_rw(tlv); + sock->rw = llcp_tlv_rw(tlv); break; case LLCP_TLV_SN: break; @@ -163,10 +197,7 @@ int nfc_llcp_parse_tlv(struct nfc_llcp_local *local, tlv += length + 2; } - pr_debug("version 0x%x miu %d lto %d opt 0x%x wks 0x%x rw %d\n", - local->remote_version, local->remote_miu, - local->remote_lto, local->remote_opt, - local->remote_wks, local->remote_rw); + pr_debug("sock %p rw %d\n", sock, sock->rw); return 0; } diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 262aa827fd7f..d3efc5b3c19f 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -406,9 +406,9 @@ int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len) return -EINVAL; } - return nfc_llcp_parse_tlv(local, - &local->remote_gb[3], - local->remote_gb_len - 3); + return nfc_llcp_parse_gb_tlv(local, + &local->remote_gb[3], + local->remote_gb_len - 3); } static void nfc_llcp_tx_work(struct work_struct *work) @@ -608,9 +608,6 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, pr_debug("%d %d\n", dsap, ssap); - nfc_llcp_parse_tlv(local, &skb->data[LLCP_HEADER_SIZE], - skb->len - LLCP_HEADER_SIZE); - if (dsap != LLCP_SAP_SDP) { sock = nfc_llcp_sock_get(local, dsap, LLCP_SAP_SDP); if (sock == NULL || sock->sk.sk_state != LLCP_LISTEN) { @@ -663,6 +660,9 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, new_sock->dsap = ssap; new_sock->parent = parent; + nfc_llcp_parse_connection_tlv(new_sock, &skb->data[LLCP_HEADER_SIZE], + skb->len - LLCP_HEADER_SIZE); + pr_debug("new sock %p sk %p\n", new_sock, &new_sock->sk); nfc_llcp_sock_link(&local->sockets, new_sk); @@ -699,11 +699,11 @@ int nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock) pr_debug("Remote ready %d tx queue len %d remote rw %d", sock->remote_ready, skb_queue_len(&sock->tx_pending_queue), - local->remote_rw); + sock->rw); /* Try to queue some I frames for transmission */ while (sock->remote_ready && - skb_queue_len(&sock->tx_pending_queue) < local->remote_rw) { + skb_queue_len(&sock->tx_pending_queue) < sock->rw) { struct sk_buff *pdu, *pending_pdu; pdu = skb_dequeue(&sock->tx_queue); @@ -851,8 +851,8 @@ static void nfc_llcp_recv_cc(struct nfc_llcp_local *local, struct sk_buff *skb) nfc_llcp_sock_link(&local->sockets, sk); llcp_sock->dsap = ssap; - nfc_llcp_parse_tlv(local, &skb->data[LLCP_HEADER_SIZE], - skb->len - LLCP_HEADER_SIZE); + nfc_llcp_parse_connection_tlv(llcp_sock, &skb->data[LLCP_HEADER_SIZE], + skb->len - LLCP_HEADER_SIZE); sk->sk_state = LLCP_CONNECTED; sk->sk_state_change(sk); @@ -1036,7 +1036,6 @@ int nfc_llcp_register_device(struct nfc_dev *ndev) local->remote_miu = LLCP_DEFAULT_MIU; local->remote_lto = LLCP_DEFAULT_LTO; - local->remote_rw = LLCP_DEFAULT_RW; list_add(&llcp_devices, &local->list); diff --git a/net/nfc/llcp/llcp.h b/net/nfc/llcp/llcp.h index 705330470062..add03e74a9ea 100644 --- a/net/nfc/llcp/llcp.h +++ b/net/nfc/llcp/llcp.h @@ -83,7 +83,6 @@ struct nfc_llcp_local { u16 remote_lto; u8 remote_opt; u16 remote_wks; - u8 remote_rw; /* sockets array */ struct llcp_sock_list sockets; @@ -97,10 +96,12 @@ struct nfc_llcp_sock { u32 target_idx; u32 nfc_protocol; + /* Link parameters */ u8 ssap; u8 dsap; char *service_name; size_t service_name_len; + u8 rw; /* Link variables */ u8 send_n; @@ -189,8 +190,10 @@ void nfc_llcp_accept_enqueue(struct sock *parent, struct sock *sk); struct sock *nfc_llcp_accept_dequeue(struct sock *sk, struct socket *newsock); /* TLV API */ -int nfc_llcp_parse_tlv(struct nfc_llcp_local *local, - u8 *tlv_array, u16 tlv_array_len); +int nfc_llcp_parse_gb_tlv(struct nfc_llcp_local *local, + u8 *tlv_array, u16 tlv_array_len); +int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock, + u8 *tlv_array, u16 tlv_array_len); /* Commands API */ void nfc_llcp_recv(void *data, struct sk_buff *skb, int err); diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 8a60b53579b9..aab077e68094 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -678,6 +678,7 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp) llcp_sock->ssap = 0; llcp_sock->dsap = LLCP_SAP_SDP; + llcp_sock->rw = LLCP_DEFAULT_RW; llcp_sock->send_n = llcp_sock->send_ack_n = 0; llcp_sock->recv_n = llcp_sock->recv_ack_n = 0; llcp_sock->remote_ready = 1; From 93d7e490b7f4a72b6c7e1dfa475fa3c3e18eb9f1 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 14 May 2012 17:37:32 +0200 Subject: [PATCH 020/241] NFC: Move LLCP MIU extension value to socket structure The MIU extension value can be received during the PAX or during the connection establishment process. It's definitely a connection related value rather than a link one. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/commands.c | 7 +++++-- net/nfc/llcp/llcp.c | 1 + net/nfc/llcp/llcp.h | 1 + net/nfc/llcp/sock.c | 2 ++ 4 files changed, 9 insertions(+), 2 deletions(-) diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index eb51864089ef..850e5cf79378 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -183,6 +183,9 @@ int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock, pr_debug("type 0x%x length %d\n", type, length); switch (type) { + case LLCP_TLV_MIUX: + sock->miu = llcp_tlv_miux(tlv) + 128; + break; case LLCP_TLV_RW: sock->rw = llcp_tlv_rw(tlv); break; @@ -197,7 +200,7 @@ int nfc_llcp_parse_connection_tlv(struct nfc_llcp_sock *sock, tlv += length + 2; } - pr_debug("sock %p rw %d\n", sock, sock->rw); + pr_debug("sock %p rw %d miu %d\n", sock, sock->rw, sock->miu); return 0; } @@ -505,7 +508,7 @@ int nfc_llcp_send_i_frame(struct nfc_llcp_sock *sock, while (remaining_len > 0) { - frag_len = min_t(size_t, local->remote_miu, remaining_len); + frag_len = min_t(size_t, sock->miu, remaining_len); pr_debug("Fragment %zd bytes remaining %zd", frag_len, remaining_len); diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index d3efc5b3c19f..5f7aa3f632fb 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -655,6 +655,7 @@ static void nfc_llcp_recv_connect(struct nfc_llcp_local *local, new_sock = nfc_llcp_sock(new_sk); new_sock->dev = local->dev; new_sock->local = nfc_llcp_local_get(local); + new_sock->miu = local->remote_miu; new_sock->nfc_protocol = sock->nfc_protocol; new_sock->ssap = sock->ssap; new_sock->dsap = ssap; diff --git a/net/nfc/llcp/llcp.h b/net/nfc/llcp/llcp.h index add03e74a9ea..7286c86982ff 100644 --- a/net/nfc/llcp/llcp.h +++ b/net/nfc/llcp/llcp.h @@ -102,6 +102,7 @@ struct nfc_llcp_sock { char *service_name; size_t service_name_len; u8 rw; + u16 miu; /* Link variables */ u8 send_n; diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index aab077e68094..30e3cc71be7a 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -477,6 +477,7 @@ static int llcp_sock_connect(struct socket *sock, struct sockaddr *_addr, llcp_sock->dev = dev; llcp_sock->local = nfc_llcp_local_get(local); + llcp_sock->miu = llcp_sock->local->remote_miu; llcp_sock->ssap = nfc_llcp_get_local_ssap(local); if (llcp_sock->ssap == LLCP_SAP_MAX) { ret = -ENOMEM; @@ -679,6 +680,7 @@ struct sock *nfc_llcp_sock_alloc(struct socket *sock, int type, gfp_t gfp) llcp_sock->ssap = 0; llcp_sock->dsap = LLCP_SAP_SDP; llcp_sock->rw = LLCP_DEFAULT_RW; + llcp_sock->miu = LLCP_DEFAULT_MIU; llcp_sock->send_n = llcp_sock->send_ack_n = 0; llcp_sock->recv_n = llcp_sock->recv_ack_n = 0; llcp_sock->remote_ready = 1; From 76762b73693aa7621ae8d3ea5c7efbf74beda0b9 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 14 May 2012 17:38:54 +0200 Subject: [PATCH 021/241] NFC: LLCP's MIUX is 10 bytes long, not 7 The mask is 0x7ff and not 0x7f and the return value is an u16. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/commands.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/nfc/llcp/commands.c b/net/nfc/llcp/commands.c index 850e5cf79378..b982b5b890d7 100644 --- a/net/nfc/llcp/commands.c +++ b/net/nfc/llcp/commands.c @@ -51,7 +51,7 @@ static u8 llcp_tlv8(u8 *tlv, u8 type) return tlv[2]; } -static u8 llcp_tlv16(u8 *tlv, u8 type) +static u16 llcp_tlv16(u8 *tlv, u8 type) { if (tlv[0] != type || tlv[1] != llcp_tlv_length[tlv[0]]) return 0; @@ -67,7 +67,7 @@ static u8 llcp_tlv_version(u8 *tlv) static u16 llcp_tlv_miux(u8 *tlv) { - return llcp_tlv16(tlv, LLCP_TLV_MIUX) & 0x7f; + return llcp_tlv16(tlv, LLCP_TLV_MIUX) & 0x7ff; } static u16 llcp_tlv_wks(u8 *tlv) From ab73b751303bc60d7d9fba875c958dedfe14754c Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 10 Apr 2012 12:51:52 +0200 Subject: [PATCH 022/241] NFC: Export LLCP general bytes getter Signed-off-by: Samuel Ortiz --- include/net/nfc/nfc.h | 1 + net/nfc/core.c | 8 ++++++++ 2 files changed, 9 insertions(+) diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index b7ca4a2a1d72..3116f923f607 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -188,6 +188,7 @@ struct sk_buff *nfc_alloc_recv_skb(unsigned int size, gfp_t gfp); int nfc_set_remote_general_bytes(struct nfc_dev *dev, u8 *gt, u8 gt_len); +u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len); int nfc_targets_found(struct nfc_dev *dev, struct nfc_target *targets, int ntargets); diff --git a/net/nfc/core.c b/net/nfc/core.c index 9f6ce011d35d..f5a43f701a9e 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -447,6 +447,14 @@ int nfc_set_remote_general_bytes(struct nfc_dev *dev, u8 *gb, u8 gb_len) } EXPORT_SYMBOL(nfc_set_remote_general_bytes); +u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len) +{ + pr_debug("dev_name=%s\n", dev_name(&dev->dev)); + + return nfc_llcp_general_bytes(dev, gb_len); +} +EXPORT_SYMBOL(nfc_get_local_general_bytes); + /** * nfc_alloc_send_skb - allocate a skb for data exchange responses * From fe7c580073280c15bb4eb4f82bf20dddc1a68383 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 15 May 2012 15:57:06 +0200 Subject: [PATCH 023/241] NFC: Add target mode protocols to the polling loop startup routine Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 39 +++++++++++++++++++++++++++++---------- drivers/nfc/pn544_hci.c | 10 ++++++---- include/linux/nfc.h | 4 ++++ include/net/nfc/hci.h | 3 ++- include/net/nfc/nfc.h | 3 ++- include/net/nfc/shdlc.h | 3 ++- net/nfc/core.c | 10 +++++----- net/nfc/hci/core.c | 5 +++-- net/nfc/hci/shdlc.c | 6 ++++-- net/nfc/nci/core.c | 7 ++++--- net/nfc/netlink.c | 19 +++++++++++++++---- net/nfc/nfc.h | 2 +- 12 files changed, 77 insertions(+), 34 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 19110f0eb15f..38a523c62132 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1078,27 +1078,23 @@ static int pn533_start_poll_complete(struct pn533 *dev, void *arg, return 0; } -static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols) +static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) +{ + return 0; +} + +static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); struct pn533_poll_modulations *start_mod; int rc; - nfc_dev_dbg(&dev->interface->dev, "%s - protocols=0x%x", __func__, - protocols); - if (dev->poll_mod_count) { nfc_dev_err(&dev->interface->dev, "Polling operation already" " active"); return -EBUSY; } - if (dev->tgt_active_prot) { - nfc_dev_err(&dev->interface->dev, "Cannot poll with a target" - " already activated"); - return -EBUSY; - } - pn533_poll_create_mod_list(dev, protocols); if (!dev->poll_mod_count) { @@ -1135,6 +1131,29 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, u32 protocols) return rc; } +static int pn533_start_poll(struct nfc_dev *nfc_dev, + u32 im_protocols, u32 tm_protocols) +{ + struct pn533 *dev = nfc_get_drvdata(nfc_dev); + + nfc_dev_dbg(&dev->interface->dev, + "%s: im protocols 0x%x tm protocols 0x%x", + __func__, im_protocols, tm_protocols); + + if (dev->tgt_active_prot) { + nfc_dev_err(&dev->interface->dev, + "Cannot poll with a target already activated"); + return -EBUSY; + } + + if (!tm_protocols) + return pn533_start_im_poll(nfc_dev, im_protocols); + else if (!im_protocols) + return pn533_init_target(nfc_dev, tm_protocols); + else + return -EINVAL; +} + static void pn533_stop_poll(struct nfc_dev *nfc_dev) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); diff --git a/drivers/nfc/pn544_hci.c b/drivers/nfc/pn544_hci.c index 281f18c2fb82..457eac35dc74 100644 --- a/drivers/nfc/pn544_hci.c +++ b/drivers/nfc/pn544_hci.c @@ -576,7 +576,8 @@ static int pn544_hci_xmit(struct nfc_shdlc *shdlc, struct sk_buff *skb) return pn544_hci_i2c_write(client, skb->data, skb->len); } -static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols) +static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, + u32 im_protocols, u32 tm_protocols) { struct nfc_hci_dev *hdev = nfc_shdlc_get_hci_dev(shdlc); u8 phases = 0; @@ -584,7 +585,8 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols) u8 duration[2]; u8 activated; - pr_info(DRIVER_DESC ": %s protocols = %d\n", __func__, protocols); + pr_info(DRIVER_DESC ": %s protocols 0x%x 0x%x\n", + __func__, im_protocols, tm_protocols); r = nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE, NFC_HCI_EVT_END_OPERATION, NULL, 0); @@ -604,10 +606,10 @@ static int pn544_hci_start_poll(struct nfc_shdlc *shdlc, u32 protocols) if (r < 0) return r; - if (protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK | + if (im_protocols & (NFC_PROTO_ISO14443_MASK | NFC_PROTO_MIFARE_MASK | NFC_PROTO_JEWEL_MASK)) phases |= 1; /* Type A */ - if (protocols & NFC_PROTO_FELICA_MASK) { + if (im_protocols & NFC_PROTO_FELICA_MASK) { phases |= (1 << 2); /* Type F 212 */ phases |= (1 << 3); /* Type F 424 */ } diff --git a/include/linux/nfc.h b/include/linux/nfc.h index 0ae9b5857c83..548715881fb0 100644 --- a/include/linux/nfc.h +++ b/include/linux/nfc.h @@ -94,6 +94,8 @@ enum nfc_commands { * @NFC_ATTR_TARGET_SENSF_RES: NFC-F targets extra information, max 18 bytes * @NFC_ATTR_COMM_MODE: Passive or active mode * @NFC_ATTR_RF_MODE: Initiator or target + * @NFC_ATTR_IM_PROTOCOLS: Initiator mode protocols to poll for + * @NFC_ATTR_TM_PROTOCOLS: Target mode protocols to listen for */ enum nfc_attrs { NFC_ATTR_UNSPEC, @@ -109,6 +111,8 @@ enum nfc_attrs { NFC_ATTR_COMM_MODE, NFC_ATTR_RF_MODE, NFC_ATTR_DEVICE_POWERED, + NFC_ATTR_IM_PROTOCOLS, + NFC_ATTR_TM_PROTOCOLS, /* private: internal use only */ __NFC_ATTR_AFTER_LAST }; diff --git a/include/net/nfc/hci.h b/include/net/nfc/hci.h index 4467c9460857..e30e6a869714 100644 --- a/include/net/nfc/hci.h +++ b/include/net/nfc/hci.h @@ -31,7 +31,8 @@ struct nfc_hci_ops { void (*close) (struct nfc_hci_dev *hdev); int (*hci_ready) (struct nfc_hci_dev *hdev); int (*xmit) (struct nfc_hci_dev *hdev, struct sk_buff *skb); - int (*start_poll) (struct nfc_hci_dev *hdev, u32 protocols); + int (*start_poll) (struct nfc_hci_dev *hdev, + u32 im_protocols, u32 tm_protocols); int (*target_from_gate) (struct nfc_hci_dev *hdev, u8 gate, struct nfc_target *target); int (*complete_target_discovered) (struct nfc_hci_dev *hdev, u8 gate, diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 3116f923f607..97aa0e81aa83 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -53,7 +53,8 @@ struct nfc_target; struct nfc_ops { int (*dev_up)(struct nfc_dev *dev); int (*dev_down)(struct nfc_dev *dev); - int (*start_poll)(struct nfc_dev *dev, u32 protocols); + int (*start_poll)(struct nfc_dev *dev, + u32 im_protocols, u32 tm_protocols); void (*stop_poll)(struct nfc_dev *dev); int (*dep_link_up)(struct nfc_dev *dev, struct nfc_target *target, u8 comm_mode, u8 *gb, size_t gb_len); diff --git a/include/net/nfc/shdlc.h b/include/net/nfc/shdlc.h index ab06afd462da..35e930d2f638 100644 --- a/include/net/nfc/shdlc.h +++ b/include/net/nfc/shdlc.h @@ -27,7 +27,8 @@ struct nfc_shdlc_ops { void (*close) (struct nfc_shdlc *shdlc); int (*hci_ready) (struct nfc_shdlc *shdlc); int (*xmit) (struct nfc_shdlc *shdlc, struct sk_buff *skb); - int (*start_poll) (struct nfc_shdlc *shdlc, u32 protocols); + int (*start_poll) (struct nfc_shdlc *shdlc, + u32 im_protocols, u32 tm_protocols); int (*target_from_gate) (struct nfc_shdlc *shdlc, u8 gate, struct nfc_target *target); int (*complete_target_discovered) (struct nfc_shdlc *shdlc, u8 gate, diff --git a/net/nfc/core.c b/net/nfc/core.c index f5a43f701a9e..c83717bfcb8a 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -121,14 +121,14 @@ int nfc_dev_down(struct nfc_dev *dev) * The device remains polling for targets until a target is found or * the nfc_stop_poll function is called. */ -int nfc_start_poll(struct nfc_dev *dev, u32 protocols) +int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols) { int rc; - pr_debug("dev_name=%s protocols=0x%x\n", - dev_name(&dev->dev), protocols); + pr_debug("dev_name %s initiator protocols 0x%x target protocols 0x%x\n", + dev_name(&dev->dev), im_protocols, tm_protocols); - if (!protocols) + if (!im_protocols && !tm_protocols) return -EINVAL; device_lock(&dev->dev); @@ -143,7 +143,7 @@ int nfc_start_poll(struct nfc_dev *dev, u32 protocols) goto error; } - rc = dev->ops->start_poll(dev, protocols); + rc = dev->ops->start_poll(dev, im_protocols, tm_protocols); if (!rc) dev->polling = true; diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index e1a640d2b588..281f3a3bec00 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -481,12 +481,13 @@ static int hci_dev_down(struct nfc_dev *nfc_dev) return 0; } -static int hci_start_poll(struct nfc_dev *nfc_dev, u32 protocols) +static int hci_start_poll(struct nfc_dev *nfc_dev, + u32 im_protocols, u32 tm_protocols) { struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev); if (hdev->ops->start_poll) - return hdev->ops->start_poll(hdev, protocols); + return hdev->ops->start_poll(hdev, im_protocols, tm_protocols); else return nfc_hci_send_event(hdev, NFC_HCI_RF_READER_A_GATE, NFC_HCI_EVT_READER_REQUESTED, NULL, 0); diff --git a/net/nfc/hci/shdlc.c b/net/nfc/hci/shdlc.c index 5665dc6d893a..6b836e6242b7 100644 --- a/net/nfc/hci/shdlc.c +++ b/net/nfc/hci/shdlc.c @@ -765,14 +765,16 @@ static int nfc_shdlc_xmit(struct nfc_hci_dev *hdev, struct sk_buff *skb) return 0; } -static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev, u32 protocols) +static int nfc_shdlc_start_poll(struct nfc_hci_dev *hdev, + u32 im_protocols, u32 tm_protocols) { struct nfc_shdlc *shdlc = nfc_hci_get_clientdata(hdev); pr_debug("\n"); if (shdlc->ops->start_poll) - return shdlc->ops->start_poll(shdlc, protocols); + return shdlc->ops->start_poll(shdlc, + im_protocols, tm_protocols); return 0; } diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index d560e6f13072..0f718982f808 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -387,7 +387,8 @@ static int nci_dev_down(struct nfc_dev *nfc_dev) return nci_close_device(ndev); } -static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols) +static int nci_start_poll(struct nfc_dev *nfc_dev, + __u32 im_protocols, __u32 tm_protocols) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); int rc; @@ -413,11 +414,11 @@ static int nci_start_poll(struct nfc_dev *nfc_dev, __u32 protocols) return -EBUSY; } - rc = nci_request(ndev, nci_rf_discover_req, protocols, + rc = nci_request(ndev, nci_rf_discover_req, im_protocols, msecs_to_jiffies(NCI_RF_DISC_TIMEOUT)); if (!rc) - ndev->poll_prots = protocols; + ndev->poll_prots = im_protocols; return rc; } diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 581d419083aa..a18fd56798fc 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -49,6 +49,8 @@ static const struct nla_policy nfc_genl_policy[NFC_ATTR_MAX + 1] = { [NFC_ATTR_COMM_MODE] = { .type = NLA_U8 }, [NFC_ATTR_RF_MODE] = { .type = NLA_U8 }, [NFC_ATTR_DEVICE_POWERED] = { .type = NLA_U8 }, + [NFC_ATTR_IM_PROTOCOLS] = { .type = NLA_U32 }, + [NFC_ATTR_TM_PROTOCOLS] = { .type = NLA_U32 }, }; static int nfc_genl_send_target(struct sk_buff *msg, struct nfc_target *target, @@ -519,16 +521,25 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info) struct nfc_dev *dev; int rc; u32 idx; - u32 protocols; + u32 im_protocols = 0, tm_protocols = 0; pr_debug("Poll start\n"); if (!info->attrs[NFC_ATTR_DEVICE_INDEX] || - !info->attrs[NFC_ATTR_PROTOCOLS]) + ((!info->attrs[NFC_ATTR_IM_PROTOCOLS] && + !info->attrs[NFC_ATTR_PROTOCOLS]) && + !info->attrs[NFC_ATTR_TM_PROTOCOLS])) return -EINVAL; idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]); - protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]); + + if (info->attrs[NFC_ATTR_TM_PROTOCOLS]) + tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_TM_PROTOCOLS]); + else if (info->attrs[NFC_ATTR_PROTOCOLS]) + tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]); + + if (info->attrs[NFC_ATTR_IM_PROTOCOLS]) + im_protocols = nla_get_u32(info->attrs[NFC_ATTR_IM_PROTOCOLS]); dev = nfc_get_device(idx); if (!dev) @@ -536,7 +547,7 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info) mutex_lock(&dev->genl_data.genl_data_mutex); - rc = nfc_start_poll(dev, protocols); + rc = nfc_start_poll(dev, im_protocols, tm_protocols); if (!rc) dev->genl_data.poll_req_pid = info->snd_pid; diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h index 3dd4232ae664..7d9708f2a66c 100644 --- a/net/nfc/nfc.h +++ b/net/nfc/nfc.h @@ -158,7 +158,7 @@ int nfc_dev_up(struct nfc_dev *dev); int nfc_dev_down(struct nfc_dev *dev); -int nfc_start_poll(struct nfc_dev *dev, u32 protocols); +int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols); int nfc_stop_poll(struct nfc_dev *dev); From ad3823cef650bdc1ca9e7bf1a01b87ad3c0425de Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 30 May 2012 23:54:55 +0200 Subject: [PATCH 024/241] NFC: Implement pn533 target mode polling loop We only want to support p2p target mode for now, no host card emulation. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 109 ++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 104 insertions(+), 5 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 38a523c62132..605a08a62e45 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -74,6 +74,8 @@ MODULE_DEVICE_TABLE(usb, pn533_table); #define PN533_CMD_IN_RELEASE 0x52 #define PN533_CMD_IN_JUMP_FOR_DEP 0x56 +#define PN533_CMD_TG_INIT_AS_TARGET 0x8c + #define PN533_CMD_RESPONSE(cmd) (cmd + 1) /* PN533 Return codes */ @@ -253,6 +255,25 @@ struct pn533_cmd_jump_dep_response { u8 gt[]; } __packed; + +/* PN533_TG_INIT_AS_TARGET */ +#define PN533_INIT_TARGET_PASSIVE 0x1 +#define PN533_INIT_TARGET_DEP 0x2 + +struct pn533_cmd_init_target { + u8 mode; + u8 mifare[6]; + u8 felica[18]; + u8 nfcid3[10]; + u8 gb_len; + u8 gb[]; +} __packed; + +struct pn533_cmd_init_target_response { + u8 mode; + u8 cmd[]; +} __packed; + struct pn533 { struct usb_device *udev; struct usb_interface *interface; @@ -1078,11 +1099,88 @@ static int pn533_start_poll_complete(struct pn533 *dev, void *arg, return 0; } -static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) +static int pn533_init_target_frame(struct pn533_frame *frame, + u8 *gb, size_t gb_len) { + struct pn533_cmd_init_target *cmd; + size_t cmd_len; + + cmd_len = sizeof(struct pn533_cmd_init_target) + gb_len + 1; + cmd = kzalloc(cmd_len, GFP_KERNEL); + if (cmd == NULL) + return -ENOMEM; + + pn533_tx_frame_init(frame, PN533_CMD_TG_INIT_AS_TARGET); + + /* DEP support only */ + cmd->mode |= PN533_INIT_TARGET_DEP; + get_random_bytes(cmd->nfcid3, 10); + cmd->gb_len = gb_len; + memcpy(cmd->gb, gb, gb_len); + /* Len Tk */ + cmd->gb[gb_len] = 0; + + memcpy(PN533_FRAME_CMD_PARAMS_PTR(frame), cmd, cmd_len); + frame->datalen += cmd_len; + + pn533_tx_frame_finish(frame); + return 0; } +static int pn533_init_target_complete(struct pn533 *dev, void *arg, + u8 *params, int params_len) +{ + struct pn533_cmd_init_target_response *resp; + + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + + if (params_len < 0) { + nfc_dev_err(&dev->interface->dev, + "Error %d when starting as a target", + params_len); + + return params_len; + } + + resp = (struct pn533_cmd_init_target_response *) params; + + nfc_dev_dbg(&dev->interface->dev, "Target mode 0x%x\n", resp->mode); + + return 0; +} + +static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) +{ + struct pn533 *dev = nfc_get_drvdata(nfc_dev); + u8 *gb; + size_t gb_len; + int rc; + + pn533_poll_reset_mod_list(dev); + + gb = nfc_get_local_general_bytes(nfc_dev, &gb_len); + if (gb == NULL) + return -ENOMEM; + + rc = pn533_init_target_frame(dev->out_frame, gb, gb_len); + if (rc < 0) + return rc; + + rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame, + dev->in_maxlen, + pn533_init_target_complete, + NULL, GFP_KERNEL); + + if (rc) + nfc_dev_err(&dev->interface->dev, + "Error %d when trying to initiate as a target", rc); + + dev->poll_mod_count++; + + return rc; +} + static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); @@ -1146,12 +1244,13 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, return -EBUSY; } - if (!tm_protocols) + if (im_protocols) return pn533_start_im_poll(nfc_dev, im_protocols); - else if (!im_protocols) + + if (tm_protocols) return pn533_init_target(nfc_dev, tm_protocols); - else - return -EINVAL; + + return -EINVAL; } static void pn533_stop_poll(struct nfc_dev *nfc_dev) From fc40a8c1a06ab7db45da790693dd9802612a055c Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Fri, 1 Jun 2012 13:21:13 +0200 Subject: [PATCH 025/241] NFC: Add target mode activation netlink event Userspace gets a netlink event upon target mode activation. The LLCP layer is also signaled when we get an ATR_REQ in order to get the remote general bytes. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 27 +++++++++++++++++-- include/linux/nfc.h | 7 +++++ include/net/nfc/nfc.h | 4 +++ net/nfc/core.c | 35 ++++++++++++++++++++++++ net/nfc/netlink.c | 62 +++++++++++++++++++++++++++++++++++++++++++ net/nfc/nfc.h | 3 +++ 6 files changed, 136 insertions(+), 2 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 605a08a62e45..c6b9bc5ac6e6 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -260,6 +260,10 @@ struct pn533_cmd_jump_dep_response { #define PN533_INIT_TARGET_PASSIVE 0x1 #define PN533_INIT_TARGET_DEP 0x2 +#define PN533_INIT_TARGET_RESP_FRAME_MASK 0x3 +#define PN533_INIT_TARGET_RESP_ACTIVE 0x1 +#define PN533_INIT_TARGET_RESP_DEP 0x4 + struct pn533_cmd_init_target { u8 mode; u8 mifare[6]; @@ -1128,10 +1132,13 @@ static int pn533_init_target_frame(struct pn533_frame *frame, return 0; } +#define ATR_REQ_GB_OFFSET 17 static int pn533_init_target_complete(struct pn533 *dev, void *arg, u8 *params, int params_len) { struct pn533_cmd_init_target_response *resp; + u8 frame, comm_mode = NFC_COMM_PASSIVE, *gb; + size_t gb_len; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); @@ -1143,11 +1150,27 @@ static int pn533_init_target_complete(struct pn533 *dev, void *arg, return params_len; } + if (params_len < ATR_REQ_GB_OFFSET + 1) + return -EINVAL; + resp = (struct pn533_cmd_init_target_response *) params; - nfc_dev_dbg(&dev->interface->dev, "Target mode 0x%x\n", resp->mode); + nfc_dev_dbg(&dev->interface->dev, "Target mode 0x%x param len %d\n", + resp->mode, params_len); - return 0; + frame = resp->mode & PN533_INIT_TARGET_RESP_FRAME_MASK; + if (frame == PN533_INIT_TARGET_RESP_ACTIVE) + comm_mode = NFC_COMM_ACTIVE; + + /* Again, only DEP */ + if ((resp->mode & PN533_INIT_TARGET_RESP_DEP) == 0) + return -EOPNOTSUPP; + + gb = resp->cmd + ATR_REQ_GB_OFFSET; + gb_len = params_len - (ATR_REQ_GB_OFFSET + 1); + + return nfc_tm_activated(dev->nfc_dev, NFC_PROTO_NFC_DEP_MASK, + comm_mode, gb, gb_len); } static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) diff --git a/include/linux/nfc.h b/include/linux/nfc.h index 548715881fb0..d124e9273fcb 100644 --- a/include/linux/nfc.h +++ b/include/linux/nfc.h @@ -56,6 +56,10 @@ * %NFC_ATTR_PROTOCOLS) * @NFC_EVENT_DEVICE_REMOVED: event emitted when a device is removed * (it sends %NFC_ATTR_DEVICE_INDEX) + * @NFC_EVENT_TM_ACTIVATED: event emitted when the adapter is activated in + * target mode. + * @NFC_EVENT_DEVICE_DEACTIVATED: event emitted when the adapter is deactivated + * from target mode. */ enum nfc_commands { NFC_CMD_UNSPEC, @@ -71,6 +75,8 @@ enum nfc_commands { NFC_EVENT_DEVICE_ADDED, NFC_EVENT_DEVICE_REMOVED, NFC_EVENT_TARGET_LOST, + NFC_EVENT_TM_ACTIVATED, + NFC_EVENT_TM_DEACTIVATED, /* private: internal use only */ __NFC_CMD_AFTER_LAST }; @@ -122,6 +128,7 @@ enum nfc_attrs { #define NFC_NFCID1_MAXSIZE 10 #define NFC_SENSB_RES_MAXSIZE 12 #define NFC_SENSF_RES_MAXSIZE 18 +#define NFC_GB_MAXSIZE 48 /* NFC protocols */ #define NFC_PROTO_JEWEL 1 diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 97aa0e81aa83..41573b4bd78a 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -198,4 +198,8 @@ int nfc_target_lost(struct nfc_dev *dev, u32 target_idx); int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, u8 comm_mode, u8 rf_mode); +int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, + u8 *gb, size_t gb_len); +int nfc_tm_deactivated(struct nfc_dev *dev); + #endif /* __NET_NFC_H */ diff --git a/net/nfc/core.c b/net/nfc/core.c index c83717bfcb8a..17f147430b7c 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -455,6 +455,41 @@ u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len) } EXPORT_SYMBOL(nfc_get_local_general_bytes); +int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, + u8 *gb, size_t gb_len) +{ + int rc; + + device_lock(&dev->dev); + + dev->polling = false; + + if (gb != NULL) { + rc = nfc_set_remote_general_bytes(dev, gb, gb_len); + if (rc < 0) + goto out; + } + + if (protocol == NFC_PROTO_NFC_DEP_MASK) + nfc_dep_link_is_up(dev, 0, comm_mode, NFC_RF_TARGET); + + rc = nfc_genl_tm_activated(dev, protocol); + +out: + device_unlock(&dev->dev); + + return rc; +} +EXPORT_SYMBOL(nfc_tm_activated); + +int nfc_tm_deactivated(struct nfc_dev *dev) +{ + dev->dep_link_up = false; + + return nfc_genl_tm_deactivated(dev); +} +EXPORT_SYMBOL(nfc_tm_deactivated); + /** * nfc_alloc_send_skb - allocate a skb for data exchange responses * diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index a18fd56798fc..21eaa9b5c6bf 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -221,6 +221,68 @@ int nfc_genl_target_lost(struct nfc_dev *dev, u32 target_idx) return -EMSGSIZE; } +int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol) +{ + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0, + NFC_EVENT_TM_ACTIVATED); + if (!hdr) + goto free_msg; + + if (nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx)) + goto nla_put_failure; + if (nla_put_u32(msg, NFC_ATTR_TM_PROTOCOLS, protocol)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_KERNEL); + + return 0; + +nla_put_failure: + genlmsg_cancel(msg, hdr); +free_msg: + nlmsg_free(msg); + return -EMSGSIZE; +} + +int nfc_genl_tm_deactivated(struct nfc_dev *dev) +{ + struct sk_buff *msg; + void *hdr; + + msg = nlmsg_new(NLMSG_GOODSIZE, GFP_KERNEL); + if (!msg) + return -ENOMEM; + + hdr = genlmsg_put(msg, 0, 0, &nfc_genl_family, 0, + NFC_EVENT_TM_DEACTIVATED); + if (!hdr) + goto free_msg; + + if (nla_put_u32(msg, NFC_ATTR_DEVICE_INDEX, dev->idx)) + goto nla_put_failure; + + genlmsg_end(msg, hdr); + + genlmsg_multicast(msg, 0, nfc_genl_event_mcgrp.id, GFP_KERNEL); + + return 0; + +nla_put_failure: + genlmsg_cancel(msg, hdr); +free_msg: + nlmsg_free(msg); + return -EMSGSIZE; +} + int nfc_genl_device_added(struct nfc_dev *dev) { struct sk_buff *msg; diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h index 7d9708f2a66c..cd9fcbe57464 100644 --- a/net/nfc/nfc.h +++ b/net/nfc/nfc.h @@ -128,6 +128,9 @@ int nfc_genl_dep_link_up_event(struct nfc_dev *dev, u32 target_idx, u8 comm_mode, u8 rf_mode); int nfc_genl_dep_link_down_event(struct nfc_dev *dev); +int nfc_genl_tm_activated(struct nfc_dev *dev, u32 protocol); +int nfc_genl_tm_deactivated(struct nfc_dev *dev); + struct nfc_dev *nfc_get_device(unsigned int idx); static inline void nfc_put_device(struct nfc_dev *dev) From f212ad5e993e7efb996fc8ce94a5de8f0bd06d41 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 00:02:26 +0200 Subject: [PATCH 026/241] NFC: Set the NFC device RF mode appropriately Signed-off-by: Samuel Ortiz --- include/linux/nfc.h | 1 + include/net/nfc/nfc.h | 2 +- net/nfc/core.c | 14 ++++++++++---- 3 files changed, 12 insertions(+), 5 deletions(-) diff --git a/include/linux/nfc.h b/include/linux/nfc.h index d124e9273fcb..f4e6dd915b1c 100644 --- a/include/linux/nfc.h +++ b/include/linux/nfc.h @@ -146,6 +146,7 @@ enum nfc_attrs { /* NFC RF modes */ #define NFC_RF_INITIATOR 0 #define NFC_RF_TARGET 1 +#define NFC_RF_NONE 2 /* NFC protocols masks used in bitsets */ #define NFC_PROTO_JEWEL_MASK (1 << NFC_PROTO_JEWEL) diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 41573b4bd78a..a6a7b49a3e2d 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -100,10 +100,10 @@ struct nfc_dev { int targets_generation; struct device dev; bool dev_up; + u8 rf_mode; bool polling; struct nfc_target *active_target; bool dep_link_up; - u32 dep_rf_mode; struct nfc_genl_data genl_data; u32 supported_protocols; diff --git a/net/nfc/core.c b/net/nfc/core.c index 17f147430b7c..722a0c76c669 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -144,8 +144,10 @@ int nfc_start_poll(struct nfc_dev *dev, u32 im_protocols, u32 tm_protocols) } rc = dev->ops->start_poll(dev, im_protocols, tm_protocols); - if (!rc) + if (!rc) { dev->polling = true; + dev->rf_mode = NFC_RF_NONE; + } error: device_unlock(&dev->dev); @@ -235,8 +237,10 @@ int nfc_dep_link_up(struct nfc_dev *dev, int target_index, u8 comm_mode) } rc = dev->ops->dep_link_up(dev, target, comm_mode, gb, gb_len); - if (!rc) + if (!rc) { dev->active_target = target; + dev->rf_mode = NFC_RF_INITIATOR; + } error: device_unlock(&dev->dev); @@ -264,7 +268,7 @@ int nfc_dep_link_down(struct nfc_dev *dev) goto error; } - if (dev->dep_rf_mode == NFC_RF_TARGET) { + if (dev->rf_mode == NFC_RF_TARGET) { rc = -EOPNOTSUPP; goto error; } @@ -286,7 +290,6 @@ int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, u8 comm_mode, u8 rf_mode) { dev->dep_link_up = true; - dev->dep_rf_mode = rf_mode; nfc_llcp_mac_is_up(dev, target_idx, comm_mode, rf_mode); @@ -330,6 +333,7 @@ int nfc_activate_target(struct nfc_dev *dev, u32 target_idx, u32 protocol) rc = dev->ops->activate_target(dev, target, protocol); if (!rc) { dev->active_target = target; + dev->rf_mode = NFC_RF_INITIATOR; if (dev->ops->check_presence) mod_timer(&dev->check_pres_timer, jiffies + @@ -470,6 +474,8 @@ int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, goto out; } + dev->rf_mode = NFC_RF_TARGET; + if (protocol == NFC_PROTO_NFC_DEP_MASK) nfc_dep_link_is_up(dev, 0, comm_mode, NFC_RF_TARGET); From be9ae4ce4ee66e211815122ab4f41913efed4fec Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 16 May 2012 15:55:48 +0200 Subject: [PATCH 027/241] NFC: Introduce target mode tx ops And rename the initiator mode data exchange ops for consistency sake. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 8 ++++---- include/net/nfc/nfc.h | 3 ++- net/nfc/core.c | 37 ++++++++++++++++++++----------------- net/nfc/hci/core.c | 8 ++++---- net/nfc/nci/core.c | 8 ++++---- 5 files changed, 34 insertions(+), 30 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index c6b9bc5ac6e6..fd94c6f5d6a8 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1691,9 +1691,9 @@ static int pn533_data_exchange_complete(struct pn533 *dev, void *_arg, return 0; } -static int pn533_data_exchange(struct nfc_dev *nfc_dev, - struct nfc_target *target, struct sk_buff *skb, - data_exchange_cb_t cb, void *cb_context) +static int pn533_transceive(struct nfc_dev *nfc_dev, + struct nfc_target *target, struct sk_buff *skb, + data_exchange_cb_t cb, void *cb_context) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); struct pn533_frame *out_frame, *in_frame; @@ -1853,7 +1853,7 @@ struct nfc_ops pn533_nfc_ops = { .stop_poll = pn533_stop_poll, .activate_target = pn533_activate_target, .deactivate_target = pn533_deactivate_target, - .data_exchange = pn533_data_exchange, + .im_transceive = pn533_transceive, }; static int pn533_probe(struct usb_interface *interface, diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index a6a7b49a3e2d..45c4c970575c 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -63,9 +63,10 @@ struct nfc_ops { u32 protocol); void (*deactivate_target)(struct nfc_dev *dev, struct nfc_target *target); - int (*data_exchange)(struct nfc_dev *dev, struct nfc_target *target, + int (*im_transceive)(struct nfc_dev *dev, struct nfc_target *target, struct sk_buff *skb, data_exchange_cb_t cb, void *cb_context); + int (*tm_send)(struct nfc_dev *dev, struct sk_buff *skb); int (*check_presence)(struct nfc_dev *dev, struct nfc_target *target); }; diff --git a/net/nfc/core.c b/net/nfc/core.c index 722a0c76c669..76c1e207d297 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -413,27 +413,30 @@ int nfc_data_exchange(struct nfc_dev *dev, u32 target_idx, struct sk_buff *skb, goto error; } - if (dev->active_target == NULL) { - rc = -ENOTCONN; - kfree_skb(skb); - goto error; - } + if (dev->rf_mode == NFC_RF_INITIATOR && dev->active_target != NULL) { + if (dev->active_target->idx != target_idx) { + rc = -EADDRNOTAVAIL; + kfree_skb(skb); + goto error; + } - if (dev->active_target->idx != target_idx) { - rc = -EADDRNOTAVAIL; + if (dev->ops->check_presence) + del_timer_sync(&dev->check_pres_timer); + + rc = dev->ops->im_transceive(dev, dev->active_target, skb, cb, + cb_context); + + if (!rc && dev->ops->check_presence) + mod_timer(&dev->check_pres_timer, jiffies + + msecs_to_jiffies(NFC_CHECK_PRES_FREQ_MS)); + } else if (dev->rf_mode == NFC_RF_TARGET && dev->ops->tm_send != NULL) { + rc = dev->ops->tm_send(dev, skb); + } else { + rc = -ENOTCONN; kfree_skb(skb); goto error; } - if (dev->ops->check_presence) - del_timer_sync(&dev->check_pres_timer); - - rc = dev->ops->data_exchange(dev, dev->active_target, skb, cb, - cb_context); - - if (!rc && dev->ops->check_presence) - mod_timer(&dev->check_pres_timer, jiffies + - msecs_to_jiffies(NFC_CHECK_PRES_FREQ_MS)); error: device_unlock(&dev->dev); @@ -727,7 +730,7 @@ struct nfc_dev *nfc_allocate_device(struct nfc_ops *ops, struct nfc_dev *dev; if (!ops->start_poll || !ops->stop_poll || !ops->activate_target || - !ops->deactivate_target || !ops->data_exchange) + !ops->deactivate_target || !ops->im_transceive) return NULL; if (!supported_protocols) diff --git a/net/nfc/hci/core.c b/net/nfc/hci/core.c index 281f3a3bec00..a8b0b71e8f86 100644 --- a/net/nfc/hci/core.c +++ b/net/nfc/hci/core.c @@ -512,9 +512,9 @@ static void hci_deactivate_target(struct nfc_dev *nfc_dev, { } -static int hci_data_exchange(struct nfc_dev *nfc_dev, struct nfc_target *target, - struct sk_buff *skb, data_exchange_cb_t cb, - void *cb_context) +static int hci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target, + struct sk_buff *skb, data_exchange_cb_t cb, + void *cb_context) { struct nfc_hci_dev *hdev = nfc_get_drvdata(nfc_dev); int r; @@ -580,7 +580,7 @@ static struct nfc_ops hci_nfc_ops = { .stop_poll = hci_stop_poll, .activate_target = hci_activate_target, .deactivate_target = hci_deactivate_target, - .data_exchange = hci_data_exchange, + .im_transceive = hci_transceive, .check_presence = hci_check_presence, }; diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 0f718982f808..766a02b1dfa1 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -522,9 +522,9 @@ static void nci_deactivate_target(struct nfc_dev *nfc_dev, } } -static int nci_data_exchange(struct nfc_dev *nfc_dev, struct nfc_target *target, - struct sk_buff *skb, - data_exchange_cb_t cb, void *cb_context) +static int nci_transceive(struct nfc_dev *nfc_dev, struct nfc_target *target, + struct sk_buff *skb, + data_exchange_cb_t cb, void *cb_context) { struct nci_dev *ndev = nfc_get_drvdata(nfc_dev); int rc; @@ -557,7 +557,7 @@ static struct nfc_ops nci_nfc_ops = { .stop_poll = nci_stop_poll, .activate_target = nci_activate_target, .deactivate_target = nci_deactivate_target, - .data_exchange = nci_data_exchange, + .im_transceive = nci_transceive, }; /* ---- Interface to NCI drivers ---- */ From 73167ced31d15c04e57b9e0885ac05675e9195a4 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 00:05:50 +0200 Subject: [PATCH 028/241] NFC: Introduce target mode rx data callback This routine will be called by drivers whenever they receive data in target mode. This should be unexpected events and as such should be handled by a standalone API (i.e. not as a callback pointer from an existing API). Signed-off-by: Samuel Ortiz --- include/net/nfc/nfc.h | 1 + net/nfc/core.c | 12 ++++++++++++ net/nfc/llcp/llcp.c | 15 +++++++++++++++ net/nfc/nfc.h | 7 +++++++ 4 files changed, 35 insertions(+) diff --git a/include/net/nfc/nfc.h b/include/net/nfc/nfc.h index 45c4c970575c..180964b954ab 100644 --- a/include/net/nfc/nfc.h +++ b/include/net/nfc/nfc.h @@ -202,5 +202,6 @@ int nfc_dep_link_is_up(struct nfc_dev *dev, u32 target_idx, int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, u8 *gb, size_t gb_len); int nfc_tm_deactivated(struct nfc_dev *dev); +int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb); #endif /* __NET_NFC_H */ diff --git a/net/nfc/core.c b/net/nfc/core.c index 76c1e207d297..6a3799eebc30 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -462,6 +462,18 @@ u8 *nfc_get_local_general_bytes(struct nfc_dev *dev, size_t *gb_len) } EXPORT_SYMBOL(nfc_get_local_general_bytes); +int nfc_tm_data_received(struct nfc_dev *dev, struct sk_buff *skb) +{ + /* Only LLCP target mode for now */ + if (dev->dep_link_up == false) { + kfree_skb(skb); + return -ENOLINK; + } + + return nfc_llcp_data_received(dev, skb); +} +EXPORT_SYMBOL(nfc_tm_data_received); + int nfc_tm_activated(struct nfc_dev *dev, u32 protocol, u8 comm_mode, u8 *gb, size_t gb_len) { diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 5f7aa3f632fb..5705e6dffb32 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -937,6 +937,21 @@ void nfc_llcp_recv(void *data, struct sk_buff *skb, int err) return; } +int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb) +{ + struct nfc_llcp_local *local; + + local = nfc_llcp_find_local(dev); + if (local == NULL) + return -ENODEV; + + local->rx_pending = skb_get(skb); + del_timer(&local->link_timer); + queue_work(local->rx_wq, &local->rx_work); + + return 0; +} + void nfc_llcp_mac_is_down(struct nfc_dev *dev) { struct nfc_llcp_local *local; diff --git a/net/nfc/nfc.h b/net/nfc/nfc.h index cd9fcbe57464..c5e42b79a418 100644 --- a/net/nfc/nfc.h +++ b/net/nfc/nfc.h @@ -55,6 +55,7 @@ int nfc_llcp_register_device(struct nfc_dev *dev); void nfc_llcp_unregister_device(struct nfc_dev *dev); int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len); u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *general_bytes_len); +int nfc_llcp_data_received(struct nfc_dev *dev, struct sk_buff *skb); int __init nfc_llcp_init(void); void nfc_llcp_exit(void); @@ -90,6 +91,12 @@ static inline u8 *nfc_llcp_general_bytes(struct nfc_dev *dev, size_t *gb_len) return NULL; } +static inline int nfc_llcp_data_received(struct nfc_dev *dev, + struct sk_buff *skb) +{ + return 0; +} + static inline int nfc_llcp_init(void) { return 0; From 103b34cf5fe2bb72c38afa8523dd206e6ef3b5fe Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 00:07:51 +0200 Subject: [PATCH 029/241] NFC: Implement the pn533 target mode data fetching routine This one needs to be called as soon as we are activated as a target, for the pn533 to receive the first SYMM and keep the LLCP link alive. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 85 ++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 80 insertions(+), 5 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index fd94c6f5d6a8..6a506e267d20 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -75,6 +75,7 @@ MODULE_DEVICE_TABLE(usb, pn533_table); #define PN533_CMD_IN_JUMP_FOR_DEP 0x56 #define PN533_CMD_TG_INIT_AS_TARGET 0x8c +#define PN533_CMD_TG_GET_DATA 0x86 #define PN533_CMD_RESPONSE(cmd) (cmd + 1) @@ -83,6 +84,9 @@ MODULE_DEVICE_TABLE(usb, pn533_table); #define PN533_CMD_MI_MASK 0x40 #define PN533_CMD_RET_SUCCESS 0x00 +/* PN533 status codes */ +#define PN533_STATUS_TARGET_RELEASED 0x29 + struct pn533; typedef int (*pn533_cmd_complete_t) (struct pn533 *dev, void *arg, @@ -296,6 +300,7 @@ struct pn533 { struct workqueue_struct *wq; struct work_struct cmd_work; struct work_struct mi_work; + struct work_struct tg_work; struct pn533_frame *wq_in_frame; int wq_in_error; @@ -1132,6 +1137,68 @@ static int pn533_init_target_frame(struct pn533_frame *frame, return 0; } +#define PN533_CMD_DATAEXCH_HEAD_LEN (sizeof(struct pn533_frame) + 3) +#define PN533_CMD_DATAEXCH_DATA_MAXLEN 262 +static int pn533_tm_get_data_complete(struct pn533 *dev, void *arg, + u8 *params, int params_len) +{ + struct sk_buff *skb_resp = arg; + struct pn533_frame *in_frame = (struct pn533_frame *) skb_resp->data; + + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + + if (params_len < 0) { + nfc_dev_err(&dev->interface->dev, + "Error %d when starting as a target", + params_len); + + return params_len; + } + + if (params_len > 0 && params[0] != 0) { + nfc_tm_deactivated(dev->nfc_dev); + + kfree_skb(skb_resp); + return 0; + } + + skb_put(skb_resp, PN533_FRAME_SIZE(in_frame)); + skb_pull(skb_resp, PN533_CMD_DATAEXCH_HEAD_LEN); + skb_trim(skb_resp, skb_resp->len - PN533_FRAME_TAIL_SIZE); + + return nfc_tm_data_received(dev->nfc_dev, skb_resp); +} + +static void pn533_wq_tg_get_data(struct work_struct *work) +{ + struct pn533 *dev = container_of(work, struct pn533, tg_work); + struct pn533_frame *in_frame; + struct sk_buff *skb_resp; + size_t skb_resp_len; + + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + + skb_resp_len = PN533_CMD_DATAEXCH_HEAD_LEN + + PN533_CMD_DATAEXCH_DATA_MAXLEN + + PN533_FRAME_TAIL_SIZE; + + skb_resp = nfc_alloc_recv_skb(skb_resp_len, GFP_KERNEL); + if (!skb_resp) + return; + + in_frame = (struct pn533_frame *)skb_resp->data; + + pn533_tx_frame_init(dev->out_frame, PN533_CMD_TG_GET_DATA); + pn533_tx_frame_finish(dev->out_frame); + + pn533_send_cmd_frame_async(dev, dev->out_frame, in_frame, + skb_resp_len, + pn533_tm_get_data_complete, + skb_resp, GFP_KERNEL); + + return; +} + #define ATR_REQ_GB_OFFSET 17 static int pn533_init_target_complete(struct pn533 *dev, void *arg, u8 *params, int params_len) @@ -1139,6 +1206,7 @@ static int pn533_init_target_complete(struct pn533 *dev, void *arg, struct pn533_cmd_init_target_response *resp; u8 frame, comm_mode = NFC_COMM_PASSIVE, *gb; size_t gb_len; + int rc; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); @@ -1169,8 +1237,17 @@ static int pn533_init_target_complete(struct pn533 *dev, void *arg, gb = resp->cmd + ATR_REQ_GB_OFFSET; gb_len = params_len - (ATR_REQ_GB_OFFSET + 1); - return nfc_tm_activated(dev->nfc_dev, NFC_PROTO_NFC_DEP_MASK, - comm_mode, gb, gb_len); + rc = nfc_tm_activated(dev->nfc_dev, NFC_PROTO_NFC_DEP_MASK, + comm_mode, gb, gb_len); + if (rc < 0) { + nfc_dev_err(&dev->interface->dev, + "Error when signaling target activation"); + return rc; + } + + queue_work(dev->wq, &dev->tg_work); + + return 0; } static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) @@ -1553,9 +1630,6 @@ static int pn533_dep_link_down(struct nfc_dev *nfc_dev) return 0; } -#define PN533_CMD_DATAEXCH_HEAD_LEN (sizeof(struct pn533_frame) + 3) -#define PN533_CMD_DATAEXCH_DATA_MAXLEN 262 - static int pn533_data_exchange_tx_frame(struct pn533 *dev, struct sk_buff *skb) { int payload_len = skb->len; @@ -1920,6 +1994,7 @@ static int pn533_probe(struct usb_interface *interface, INIT_WORK(&dev->cmd_work, pn533_wq_cmd_complete); INIT_WORK(&dev->mi_work, pn533_wq_mi_recv); + INIT_WORK(&dev->tg_work, pn533_wq_tg_get_data); dev->wq = alloc_workqueue("pn533", WQ_NON_REENTRANT | WQ_UNBOUND | WQ_MEM_RECLAIM, 1); From dadb06f270ad7cd9572b82995f6261f8ca4620ac Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 00:09:11 +0200 Subject: [PATCH 030/241] NFC: Implement the pn533 target mode Tx op Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 82 ++++++++++++++++++++++++++++++++++++++++----- 1 file changed, 73 insertions(+), 9 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 6a506e267d20..db4078765ac9 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -76,6 +76,7 @@ MODULE_DEVICE_TABLE(usb, pn533_table); #define PN533_CMD_TG_INIT_AS_TARGET 0x8c #define PN533_CMD_TG_GET_DATA 0x86 +#define PN533_CMD_TG_SET_DATA 0x8e #define PN533_CMD_RESPONSE(cmd) (cmd + 1) @@ -1630,7 +1631,8 @@ static int pn533_dep_link_down(struct nfc_dev *nfc_dev) return 0; } -static int pn533_data_exchange_tx_frame(struct pn533 *dev, struct sk_buff *skb) +static int pn533_build_tx_frame(struct pn533 *dev, struct sk_buff *skb, + bool target) { int payload_len = skb->len; struct pn533_frame *out_frame; @@ -1647,14 +1649,20 @@ static int pn533_data_exchange_tx_frame(struct pn533 *dev, struct sk_buff *skb) return -ENOSYS; } - skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN); - out_frame = (struct pn533_frame *) skb->data; + if (target == true) { + skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN); + out_frame = (struct pn533_frame *) skb->data; - pn533_tx_frame_init(out_frame, PN533_CMD_IN_DATA_EXCHANGE); + pn533_tx_frame_init(out_frame, PN533_CMD_IN_DATA_EXCHANGE); + tg = 1; + memcpy(PN533_FRAME_CMD_PARAMS_PTR(out_frame), &tg, sizeof(u8)); + out_frame->datalen += sizeof(u8); + } else { + skb_push(skb, PN533_CMD_DATAEXCH_HEAD_LEN - 1); + out_frame = (struct pn533_frame *) skb->data; + pn533_tx_frame_init(out_frame, PN533_CMD_TG_SET_DATA); + } - tg = 1; - memcpy(PN533_FRAME_CMD_PARAMS_PTR(out_frame), &tg, sizeof(u8)); - out_frame->datalen += sizeof(u8); /* The data is already in the out_frame, just update the datalen */ out_frame->datalen += payload_len; @@ -1785,7 +1793,7 @@ static int pn533_transceive(struct nfc_dev *nfc_dev, goto error; } - rc = pn533_data_exchange_tx_frame(dev, skb); + rc = pn533_build_tx_frame(dev, skb, true); if (rc) goto error; @@ -1833,6 +1841,61 @@ static int pn533_transceive(struct nfc_dev *nfc_dev, return rc; } +static int pn533_tm_send_complete(struct pn533 *dev, void *arg, + u8 *params, int params_len) +{ + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + + if (params_len < 0) { + nfc_dev_err(&dev->interface->dev, + "Error %d when sending data", + params_len); + + return params_len; + } + + if (params_len > 0 && params[0] != 0) { + nfc_tm_deactivated(dev->nfc_dev); + + return 0; + } + + queue_work(dev->wq, &dev->tg_work); + + return 0; +} + +static int pn533_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb) +{ + struct pn533 *dev = nfc_get_drvdata(nfc_dev); + struct pn533_frame *out_frame; + int rc; + + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + + rc = pn533_build_tx_frame(dev, skb, false); + if (rc) + goto error; + + out_frame = (struct pn533_frame *) skb->data; + + rc = pn533_send_cmd_frame_async(dev, out_frame, dev->in_frame, + dev->in_maxlen, pn533_tm_send_complete, + NULL, GFP_KERNEL); + if (rc) { + nfc_dev_err(&dev->interface->dev, + "Error %d when trying to send data", rc); + goto error; + } + + return 0; + +error: + kfree_skb(skb); + + return rc; +} + static void pn533_wq_mi_recv(struct work_struct *work) { struct pn533 *dev = container_of(work, struct pn533, mi_work); @@ -1853,7 +1916,7 @@ static void pn533_wq_mi_recv(struct work_struct *work) skb_reserve(skb_cmd, PN533_CMD_DATAEXCH_HEAD_LEN); - rc = pn533_data_exchange_tx_frame(dev, skb_cmd); + rc = pn533_build_tx_frame(dev, skb_cmd, true); if (rc) goto error_frame; @@ -1928,6 +1991,7 @@ struct nfc_ops pn533_nfc_ops = { .activate_target = pn533_activate_target, .deactivate_target = pn533_deactivate_target, .im_transceive = pn533_transceive, + .tm_send = pn533_tm_send, }; static int pn533_probe(struct usb_interface *interface, From 5a0f6f3b46b28310262ad9585b80062ef56c5362 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 21 May 2012 11:44:42 +0200 Subject: [PATCH 031/241] NFC: Don't hold a NULL connecting LLCP socket lock Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 5705e6dffb32..b694313c2be5 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -477,8 +477,10 @@ static struct nfc_llcp_sock *nfc_llcp_connecting_sock_get(struct nfc_llcp_local sk_for_each(sk, node, &local->connecting_sockets.head) { llcp_sock = nfc_llcp_sock(sk); - if (llcp_sock->ssap == ssap) + if (llcp_sock->ssap == ssap) { + sock_hold(&llcp_sock->sk); goto out; + } } llcp_sock = NULL; @@ -486,8 +488,6 @@ static struct nfc_llcp_sock *nfc_llcp_connecting_sock_get(struct nfc_llcp_local out: read_unlock(&local->connecting_sockets.lock); - sock_hold(&llcp_sock->sk); - return llcp_sock; } From cb3a4503f41f7f60bbc74a937bc30a0e143fc53c Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 21 May 2012 15:59:52 +0200 Subject: [PATCH 032/241] NFC: Call the DEP link down ops even when in target mode Even in target mode we need to let the driver know that we want to bring the DEP link down. Signed-off-by: Samuel Ortiz --- net/nfc/core.c | 5 ----- 1 file changed, 5 deletions(-) diff --git a/net/nfc/core.c b/net/nfc/core.c index 6a3799eebc30..4177bb5104b9 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -268,11 +268,6 @@ int nfc_dep_link_down(struct nfc_dev *dev) goto error; } - if (dev->rf_mode == NFC_RF_TARGET) { - rc = -EOPNOTSUPP; - goto error; - } - rc = dev->ops->dep_link_down(dev); if (!rc) { dev->dep_link_up = false; From 7c2a04a933d51b45af7660bd1790339eb3c33308 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Mon, 21 May 2012 16:20:01 +0200 Subject: [PATCH 033/241] NFC: Reset poll mod list when stopping pn533 poll Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index db4078765ac9..6b8a65ca0d71 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1371,6 +1371,8 @@ static void pn533_stop_poll(struct nfc_dev *nfc_dev) /* prevent pn533_start_poll_complete to issue a new poll meanwhile */ usb_kill_urb(dev->in_urb); + + pn533_poll_reset_mod_list(dev); } static int pn533_activate_target_nfcdep(struct pn533 *dev) From 9f2f8ba172d9a7f7f600ced18b05f6fd52b83396 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 29 May 2012 21:28:58 +0200 Subject: [PATCH 034/241] NFC: Unregister device if pn533 initial configuration fails Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 6b8a65ca0d71..2a7e4e8e4f11 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -2112,13 +2112,17 @@ static int pn533_probe(struct usb_interface *interface, if (rc) { nfc_dev_err(&dev->interface->dev, "Error on setting MAX_RETRIES" " config"); - goto free_nfc_dev; + goto unregister_nfc_dev; } return 0; +unregister_nfc_dev: + nfc_unregister_device(dev->nfc_dev); + free_nfc_dev: nfc_free_device(dev->nfc_dev); + destroy_wq: destroy_workqueue(dev->wq); error: From 34a85bfcfb84fe673833290ee071de0a10dd1cac Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 29 May 2012 21:34:08 +0200 Subject: [PATCH 035/241] NFC: Configure pn533 RF timings Those define the ATR_RES response timeout after which the pn533 considers the target to be mute. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 2a7e4e8e4f11..d9763440b8e9 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -104,8 +104,14 @@ struct pn533_fw_version { }; /* PN533_CMD_RF_CONFIGURATION */ +#define PN533_CFGITEM_TIMING 0x02 #define PN533_CFGITEM_MAX_RETRIES 0x05 +#define PN533_CONFIG_TIMING_102 0xb +#define PN533_CONFIG_TIMING_204 0xc +#define PN533_CONFIG_TIMING_409 0xd +#define PN533_CONFIG_TIMING_819 0xe + #define PN533_CONFIG_MAX_RETRIES_NO_RETRY 0x00 #define PN533_CONFIG_MAX_RETRIES_ENDLESS 0xFF @@ -115,6 +121,12 @@ struct pn533_config_max_retries { u8 mx_rty_passive_act; } __packed; +struct pn533_config_timing { + u8 rfu; + u8 atr_res_timeout; + u8 dep_timeout; +} __packed; + /* PN533_CMD_IN_LIST_PASSIVE_TARGET */ /* felica commands opcode */ @@ -2004,6 +2016,7 @@ static int pn533_probe(struct usb_interface *interface, struct usb_host_interface *iface_desc; struct usb_endpoint_descriptor *endpoint; struct pn533_config_max_retries max_retries; + struct pn533_config_timing timing; int in_endpoint = 0; int out_endpoint = 0; int rc = -ENOMEM; @@ -2115,6 +2128,18 @@ static int pn533_probe(struct usb_interface *interface, goto unregister_nfc_dev; } + timing.rfu = PN533_CONFIG_TIMING_102; + timing.atr_res_timeout = PN533_CONFIG_TIMING_204; + timing.dep_timeout = PN533_CONFIG_TIMING_409; + + rc = pn533_set_configuration(dev, PN533_CFGITEM_TIMING, + (u8 *) &timing, sizeof(timing)); + if (rc) { + nfc_dev_err(&dev->interface->dev, + "Error on setting RF timings"); + goto unregister_nfc_dev; + } + return 0; unregister_nfc_dev: From d7f3345d3af568394080890ca3136c4ea1021cba Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Tue, 29 May 2012 21:45:21 +0200 Subject: [PATCH 036/241] NFC: Add passive initiator data for pn533 When trying to enable a DEP link as a passive initiator, pn533 needs to provide the polling request command payload. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index d9763440b8e9..806ab3da6414 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -256,7 +256,7 @@ struct pn533_cmd_jump_dep { u8 active; u8 baud; u8 next; - u8 gt[]; + u8 data[]; } __packed; struct pn533_cmd_jump_dep_response { @@ -1582,12 +1582,14 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, return 0; } +#define PASSIVE_DATA_LEN 5 static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, u8 comm_mode, u8* gb, size_t gb_len) { struct pn533 *dev = nfc_get_drvdata(nfc_dev); struct pn533_cmd_jump_dep *cmd; - u8 cmd_len; + u8 cmd_len, *data_ptr; + u8 passive_data[PASSIVE_DATA_LEN] = {0x00, 0xff, 0xff, 0x00, 0x3}; int rc; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); @@ -1605,6 +1607,9 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, } cmd_len = sizeof(struct pn533_cmd_jump_dep) + gb_len; + if (comm_mode == NFC_COMM_PASSIVE) + cmd_len += PASSIVE_DATA_LEN; + cmd = kzalloc(cmd_len, GFP_KERNEL); if (cmd == NULL) return -ENOMEM; @@ -1612,10 +1617,18 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, pn533_tx_frame_init(dev->out_frame, PN533_CMD_IN_JUMP_FOR_DEP); cmd->active = !comm_mode; - cmd->baud = 0; + cmd->next = 0; + cmd->baud = 2; + data_ptr = cmd->data; + if (comm_mode == NFC_COMM_PASSIVE && cmd->baud > 0) { + memcpy(data_ptr, passive_data, PASSIVE_DATA_LEN); + cmd->next |= 1; + data_ptr += PASSIVE_DATA_LEN; + } + if (gb != NULL && gb_len > 0) { - cmd->next = 4; /* We have some Gi */ - memcpy(cmd->gt, gb, gb_len); + cmd->next |= 4; /* We have some Gi */ + memcpy(data_ptr, gb, gb_len); } else { cmd->next = 0; } From 51d9e803b906ea8ef995980d5367ab66ff79305a Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 30 May 2012 01:48:46 +0200 Subject: [PATCH 037/241] NFC: Add type A and type F parameters for pn533 target mode Without those settings several devices will not activate pn533 as a target. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 25 ++++++++++++++++++++++++- 1 file changed, 24 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 806ab3da6414..6e4b228c7e6f 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1126,6 +1126,13 @@ static int pn533_init_target_frame(struct pn533_frame *frame, { struct pn533_cmd_init_target *cmd; size_t cmd_len; + u8 felica_params[18] = {0x1, 0xfe, /* DEP */ + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, /* random */ + 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, + 0xff, 0xff}; /* System code */ + u8 mifare_params[6] = {0x1, 0x1, /* SENS_RES */ + 0x0, 0x0, 0x0, + 0x40}; /* SEL_RES for DEP */ cmd_len = sizeof(struct pn533_cmd_init_target) + gb_len + 1; cmd = kzalloc(cmd_len, GFP_KERNEL); @@ -1136,17 +1143,33 @@ static int pn533_init_target_frame(struct pn533_frame *frame, /* DEP support only */ cmd->mode |= PN533_INIT_TARGET_DEP; - get_random_bytes(cmd->nfcid3, 10); + + /* Felica params */ + memcpy(cmd->felica, felica_params, 18); + get_random_bytes(cmd->felica + 2, 6); + + /* NFCID3 */ + memset(cmd->nfcid3, 0, 10); + memcpy(cmd->nfcid3, cmd->felica, 8); + + /* MIFARE params */ + memcpy(cmd->mifare, mifare_params, 6); + + /* General bytes */ cmd->gb_len = gb_len; memcpy(cmd->gb, gb, gb_len); + /* Len Tk */ cmd->gb[gb_len] = 0; memcpy(PN533_FRAME_CMD_PARAMS_PTR(frame), cmd, cmd_len); + frame->datalen += cmd_len; pn533_tx_frame_finish(frame); + kfree(cmd); + return 0; } From 6fbbdc16be3881aabaa4096c3466b9bbd361bd1f Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 30 May 2012 17:20:25 +0200 Subject: [PATCH 038/241] NFC: Implement pn533 polling loop After going through all the modulations, the pn533 driver spends 2 seconds listening for targets. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 287 +++++++++++++++++++++++++------------------- 1 file changed, 161 insertions(+), 126 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 6e4b228c7e6f..c9ba96c320fe 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -45,6 +45,9 @@ static const struct usb_device_id pn533_table[] = { }; MODULE_DEVICE_TABLE(usb, pn533_table); +/* How much time we spend listening for initiators */ +#define PN533_LISTEN_TIME 2 + /* frame definitions */ #define PN533_FRAME_TAIL_SIZE 2 #define PN533_FRAME_SIZE(f) (sizeof(struct pn533_frame) + f->datalen + \ @@ -163,6 +166,7 @@ enum { PN533_POLL_MOD_424KBPS_FELICA, PN533_POLL_MOD_106KBPS_JEWEL, PN533_POLL_MOD_847KBPS_B, + PN533_LISTEN_MOD, __PN533_POLL_MOD_AFTER_LAST, }; @@ -230,6 +234,9 @@ const struct pn533_poll_modulations poll_mod[] = { }, .len = 3, }, + [PN533_LISTEN_MOD] = { + .len = 0, + }, }; /* PN533_CMD_IN_ATR */ @@ -312,10 +319,13 @@ struct pn533 { struct workqueue_struct *wq; struct work_struct cmd_work; + struct work_struct poll_work; struct work_struct mi_work; struct work_struct tg_work; + struct timer_list listen_timer; struct pn533_frame *wq_in_frame; int wq_in_error; + int cancel_listen; pn533_cmd_complete_t cmd_complete; void *cmd_complete_arg; @@ -326,6 +336,10 @@ struct pn533 { u8 poll_mod_count; u8 poll_mod_curr; u32 poll_protocols; + u32 listen_protocols; + + u8 *gb; + size_t gb_len; u8 tgt_available_prots; u8 tgt_active_prot; @@ -1006,6 +1020,11 @@ static int pn533_target_found(struct pn533 *dev, return 0; } +static inline void pn533_poll_next_mod(struct pn533 *dev) +{ + dev->poll_mod_curr = (dev->poll_mod_curr + 1) % dev->poll_mod_count; +} + static void pn533_poll_reset_mod_list(struct pn533 *dev) { dev->poll_mod_count = 0; @@ -1018,107 +1037,52 @@ static void pn533_poll_add_mod(struct pn533 *dev, u8 mod_index) dev->poll_mod_count++; } -static void pn533_poll_create_mod_list(struct pn533 *dev, u32 protocols) +static void pn533_poll_create_mod_list(struct pn533 *dev, + u32 im_protocols, u32 tm_protocols) { pn533_poll_reset_mod_list(dev); - if (protocols & NFC_PROTO_MIFARE_MASK - || protocols & NFC_PROTO_ISO14443_MASK - || protocols & NFC_PROTO_NFC_DEP_MASK) + if (im_protocols & NFC_PROTO_MIFARE_MASK + || im_protocols & NFC_PROTO_ISO14443_MASK + || im_protocols & NFC_PROTO_NFC_DEP_MASK) pn533_poll_add_mod(dev, PN533_POLL_MOD_106KBPS_A); - if (protocols & NFC_PROTO_FELICA_MASK - || protocols & NFC_PROTO_NFC_DEP_MASK) { + if (im_protocols & NFC_PROTO_FELICA_MASK + || im_protocols & NFC_PROTO_NFC_DEP_MASK) { pn533_poll_add_mod(dev, PN533_POLL_MOD_212KBPS_FELICA); pn533_poll_add_mod(dev, PN533_POLL_MOD_424KBPS_FELICA); } - if (protocols & NFC_PROTO_JEWEL_MASK) + if (im_protocols & NFC_PROTO_JEWEL_MASK) pn533_poll_add_mod(dev, PN533_POLL_MOD_106KBPS_JEWEL); - if (protocols & NFC_PROTO_ISO14443_MASK) + if (im_protocols & NFC_PROTO_ISO14443_MASK) pn533_poll_add_mod(dev, PN533_POLL_MOD_847KBPS_B); -} - -static void pn533_start_poll_frame(struct pn533_frame *frame, - struct pn533_poll_modulations *mod) -{ - - pn533_tx_frame_init(frame, PN533_CMD_IN_LIST_PASSIVE_TARGET); - memcpy(PN533_FRAME_CMD_PARAMS_PTR(frame), &mod->data, mod->len); - frame->datalen += mod->len; - - pn533_tx_frame_finish(frame); + if (tm_protocols) + pn533_poll_add_mod(dev, PN533_LISTEN_MOD); } static int pn533_start_poll_complete(struct pn533 *dev, void *arg, - u8 *params, int params_len) + u8 *params, int params_len) { struct pn533_poll_response *resp; - struct pn533_poll_modulations *next_mod; int rc; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); - if (params_len == -ENOENT) { - nfc_dev_dbg(&dev->interface->dev, "Polling operation has been" - " stopped"); - goto stop_poll; - } - - if (params_len < 0) { - nfc_dev_err(&dev->interface->dev, "Error %d when running poll", - params_len); - goto stop_poll; - } - resp = (struct pn533_poll_response *) params; if (resp->nbtg) { rc = pn533_target_found(dev, resp, params_len); /* We must stop the poll after a valid target found */ - if (rc == 0) - goto stop_poll; - - if (rc != -EAGAIN) - nfc_dev_err(&dev->interface->dev, "The target found is" - " not valid - continuing to poll"); - } - - dev->poll_mod_curr = (dev->poll_mod_curr + 1) % dev->poll_mod_count; - - next_mod = dev->poll_mod_active[dev->poll_mod_curr]; - - nfc_dev_dbg(&dev->interface->dev, "Polling next modulation (0x%x)", - dev->poll_mod_curr); - - pn533_start_poll_frame(dev->out_frame, next_mod); - - /* Don't need to down the semaphore again */ - rc = __pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame, - dev->in_maxlen, pn533_start_poll_complete, - NULL, GFP_ATOMIC); - - if (rc == -EPERM) { - nfc_dev_dbg(&dev->interface->dev, "Cannot poll next modulation" - " because poll has been stopped"); - goto stop_poll; - } - - if (rc) { - nfc_dev_err(&dev->interface->dev, "Error %d when trying to poll" - " next modulation", rc); - goto stop_poll; + if (rc == 0) { + pn533_poll_reset_mod_list(dev); + return 0; + } } - /* Inform caller function to do not up the semaphore */ - return -EINPROGRESS; - -stop_poll: - pn533_poll_reset_mod_list(dev); - dev->poll_protocols = 0; - return 0; + return -EAGAIN; } static int pn533_init_target_frame(struct pn533_frame *frame, @@ -1286,83 +1250,136 @@ static int pn533_init_target_complete(struct pn533 *dev, void *arg, return 0; } -static int pn533_init_target(struct nfc_dev *nfc_dev, u32 protocols) +static void pn533_listen_mode_timer(unsigned long data) { - struct pn533 *dev = nfc_get_drvdata(nfc_dev); - u8 *gb; - size_t gb_len; + struct pn533 *dev = (struct pn533 *) data; + + nfc_dev_dbg(&dev->interface->dev, "Listen mode timeout"); + + /* An ack will cancel the last issued command (poll) */ + pn533_send_ack(dev, GFP_ATOMIC); + + dev->cancel_listen = 1; + + up(&dev->cmd_lock); + + pn533_poll_next_mod(dev); + + queue_work(dev->wq, &dev->poll_work); +} + +static int pn533_poll_complete(struct pn533 *dev, void *arg, + u8 *params, int params_len) +{ + struct pn533_poll_modulations *cur_mod; int rc; - pn533_poll_reset_mod_list(dev); + nfc_dev_dbg(&dev->interface->dev, "%s", __func__); - gb = nfc_get_local_general_bytes(nfc_dev, &gb_len); - if (gb == NULL) - return -ENOMEM; + if (params_len == -ENOENT) { + if (dev->poll_mod_count != 0) + return 0; - rc = pn533_init_target_frame(dev->out_frame, gb, gb_len); - if (rc < 0) - return rc; + nfc_dev_err(&dev->interface->dev, + "Polling operation has been stopped"); - rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame, - dev->in_maxlen, - pn533_init_target_complete, - NULL, GFP_KERNEL); + goto stop_poll; + } - if (rc) + if (params_len < 0) { nfc_dev_err(&dev->interface->dev, - "Error %d when trying to initiate as a target", rc); + "Error %d when running poll", params_len); - dev->poll_mod_count++; + goto stop_poll; + } - return rc; + cur_mod = dev->poll_mod_active[dev->poll_mod_curr]; + + if (cur_mod->len == 0) { + del_timer(&dev->listen_timer); + + return pn533_init_target_complete(dev, arg, params, params_len); + } else { + rc = pn533_start_poll_complete(dev, arg, params, params_len); + if (!rc) + return rc; + } + + pn533_poll_next_mod(dev); + + queue_work(dev->wq, &dev->poll_work); + + return 0; + +stop_poll: + pn533_poll_reset_mod_list(dev); + dev->poll_protocols = 0; + return 0; } -static int pn533_start_im_poll(struct nfc_dev *nfc_dev, u32 protocols) +static void pn533_build_poll_frame(struct pn533 *dev, + struct pn533_frame *frame, + struct pn533_poll_modulations *mod) { - struct pn533 *dev = nfc_get_drvdata(nfc_dev); - struct pn533_poll_modulations *start_mod; - int rc; + nfc_dev_dbg(&dev->interface->dev, "mod len %d\n", mod->len); - if (dev->poll_mod_count) { - nfc_dev_err(&dev->interface->dev, "Polling operation already" - " active"); - return -EBUSY; - } + if (mod->len == 0) { + /* Listen mode */ + pn533_init_target_frame(frame, dev->gb, dev->gb_len); + } else { + /* Polling mode */ + pn533_tx_frame_init(frame, PN533_CMD_IN_LIST_PASSIVE_TARGET); - pn533_poll_create_mod_list(dev, protocols); + memcpy(PN533_FRAME_CMD_PARAMS_PTR(frame), &mod->data, mod->len); + frame->datalen += mod->len; - if (!dev->poll_mod_count) { - nfc_dev_err(&dev->interface->dev, "No valid protocols" - " specified"); - rc = -EINVAL; - goto error; + pn533_tx_frame_finish(frame); } +} - nfc_dev_dbg(&dev->interface->dev, "It will poll %d modulations types", - dev->poll_mod_count); +static int pn533_send_poll_frame(struct pn533 *dev) +{ + struct pn533_poll_modulations *cur_mod; + int rc; - dev->poll_mod_curr = 0; - start_mod = dev->poll_mod_active[dev->poll_mod_curr]; + cur_mod = dev->poll_mod_active[dev->poll_mod_curr]; - pn533_start_poll_frame(dev->out_frame, start_mod); + pn533_build_poll_frame(dev, dev->out_frame, cur_mod); rc = pn533_send_cmd_frame_async(dev, dev->out_frame, dev->in_frame, - dev->in_maxlen, pn533_start_poll_complete, + dev->in_maxlen, pn533_poll_complete, NULL, GFP_KERNEL); + if (rc) + nfc_dev_err(&dev->interface->dev, "Polling loop error %d", rc); - if (rc) { - nfc_dev_err(&dev->interface->dev, "Error %d when trying to" - " start poll", rc); - goto error; + return rc; +} + +static void pn533_wq_poll(struct work_struct *work) +{ + struct pn533 *dev = container_of(work, struct pn533, poll_work); + struct pn533_poll_modulations *cur_mod; + int rc; + + cur_mod = dev->poll_mod_active[dev->poll_mod_curr]; + + nfc_dev_dbg(&dev->interface->dev, + "%s cancel_listen %d modulation len %d", + __func__, dev->cancel_listen, cur_mod->len); + + if (dev->cancel_listen == 1) { + dev->cancel_listen = 0; + usb_kill_urb(dev->in_urb); } - dev->poll_protocols = protocols; + rc = pn533_send_poll_frame(dev); + if (rc) + return; - return 0; + if (cur_mod->len == 0 && dev->poll_mod_count > 1) + mod_timer(&dev->listen_timer, jiffies + PN533_LISTEN_TIME * HZ); -error: - pn533_poll_reset_mod_list(dev); - return rc; + return; } static int pn533_start_poll(struct nfc_dev *nfc_dev, @@ -1380,13 +1397,18 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, return -EBUSY; } - if (im_protocols) - return pn533_start_im_poll(nfc_dev, im_protocols); + if (tm_protocols) { + dev->gb = nfc_get_local_general_bytes(nfc_dev, &dev->gb_len); + if (dev->gb == NULL) + tm_protocols = 0; + } - if (tm_protocols) - return pn533_init_target(nfc_dev, tm_protocols); + dev->poll_mod_curr = 0; + pn533_poll_create_mod_list(dev, im_protocols, tm_protocols); + dev->poll_protocols = im_protocols; + dev->listen_protocols = tm_protocols; - return -EINVAL; + return pn533_send_poll_frame(dev); } static void pn533_stop_poll(struct nfc_dev *nfc_dev) @@ -1395,6 +1417,8 @@ static void pn533_stop_poll(struct nfc_dev *nfc_dev) nfc_dev_dbg(&dev->interface->dev, "%s", __func__); + del_timer(&dev->listen_timer); + if (!dev->poll_mod_count) { nfc_dev_dbg(&dev->interface->dev, "Polling operation was not" " running"); @@ -1676,6 +1700,10 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, static int pn533_dep_link_down(struct nfc_dev *nfc_dev) { + struct pn533 *dev = nfc_get_drvdata(nfc_dev); + + pn533_poll_reset_mod_list(dev); + pn533_deactivate_target(nfc_dev, 0); return 0; @@ -2110,12 +2138,17 @@ static int pn533_probe(struct usb_interface *interface, INIT_WORK(&dev->cmd_work, pn533_wq_cmd_complete); INIT_WORK(&dev->mi_work, pn533_wq_mi_recv); INIT_WORK(&dev->tg_work, pn533_wq_tg_get_data); + INIT_WORK(&dev->poll_work, pn533_wq_poll); dev->wq = alloc_workqueue("pn533", WQ_NON_REENTRANT | WQ_UNBOUND | WQ_MEM_RECLAIM, 1); if (dev->wq == NULL) goto error; + init_timer(&dev->listen_timer); + dev->listen_timer.data = (unsigned long) dev; + dev->listen_timer.function = pn533_listen_mode_timer; + skb_queue_head_init(&dev->resp_q); usb_set_intfdata(interface, dev); @@ -2212,6 +2245,8 @@ static void pn533_disconnect(struct usb_interface *interface) skb_queue_purge(&dev->resp_q); + del_timer(&dev->listen_timer); + kfree(dev->in_frame); usb_free_urb(dev->in_urb); kfree(dev->out_frame); From 844579603889ef1ab1fdbf2223579d6842e62bfe Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 30 May 2012 17:48:29 +0200 Subject: [PATCH 039/241] NFC: Requeue lost LLCP frames When receiving an I or RR frame telling us that some of the pending queues were not received, we should requeue them before the currently pending ones. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 86 +++++++++++++++++++++++++++++---------------- 1 file changed, 55 insertions(+), 31 deletions(-) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index b694313c2be5..0fc60da6a0a1 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -411,28 +411,6 @@ int nfc_llcp_set_remote_gb(struct nfc_dev *dev, u8 *gb, u8 gb_len) local->remote_gb_len - 3); } -static void nfc_llcp_tx_work(struct work_struct *work) -{ - struct nfc_llcp_local *local = container_of(work, struct nfc_llcp_local, - tx_work); - struct sk_buff *skb; - - skb = skb_dequeue(&local->tx_queue); - if (skb != NULL) { - pr_debug("Sending pending skb\n"); - print_hex_dump(KERN_DEBUG, "LLCP Tx: ", DUMP_PREFIX_OFFSET, - 16, 1, skb->data, skb->len, true); - - nfc_data_exchange(local->dev, local->target_idx, - skb, nfc_llcp_recv, local); - } else { - nfc_llcp_send_symm(local->dev); - } - - mod_timer(&local->link_timer, - jiffies + msecs_to_jiffies(local->remote_lto)); -} - static u8 nfc_llcp_dsap(struct sk_buff *pdu) { return (pdu->data[0] & 0xfc) >> 2; @@ -465,6 +443,45 @@ static void nfc_llcp_set_nrns(struct nfc_llcp_sock *sock, struct sk_buff *pdu) sock->recv_ack_n = (sock->recv_n - 1) % 16; } +static void nfc_llcp_tx_work(struct work_struct *work) +{ + struct nfc_llcp_local *local = container_of(work, struct nfc_llcp_local, + tx_work); + struct sk_buff *skb; + struct sock *sk; + struct nfc_llcp_sock *llcp_sock; + + skb = skb_dequeue(&local->tx_queue); + if (skb != NULL) { + sk = skb->sk; + llcp_sock = nfc_llcp_sock(sk); + if (llcp_sock != NULL) { + int ret; + + pr_debug("Sending pending skb\n"); + print_hex_dump(KERN_DEBUG, "LLCP Tx: ", + DUMP_PREFIX_OFFSET, 16, 1, + skb->data, skb->len, true); + + ret = nfc_data_exchange(local->dev, local->target_idx, + skb, nfc_llcp_recv, local); + + if (!ret && nfc_llcp_ptype(skb) == LLCP_PDU_I) { + skb = skb_get(skb); + skb_queue_tail(&llcp_sock->tx_pending_queue, + skb); + } + } else { + nfc_llcp_send_symm(local->dev); + } + } else { + nfc_llcp_send_symm(local->dev); + } + + mod_timer(&local->link_timer, + jiffies + msecs_to_jiffies(2 * local->remote_lto)); +} + static struct nfc_llcp_sock *nfc_llcp_connecting_sock_get(struct nfc_llcp_local *local, u8 ssap) { @@ -705,7 +722,7 @@ int nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock) /* Try to queue some I frames for transmission */ while (sock->remote_ready && skb_queue_len(&sock->tx_pending_queue) < sock->rw) { - struct sk_buff *pdu, *pending_pdu; + struct sk_buff *pdu; pdu = skb_dequeue(&sock->tx_queue); if (pdu == NULL) @@ -714,10 +731,7 @@ int nfc_llcp_queue_i_frames(struct nfc_llcp_sock *sock) /* Update N(S)/N(R) */ nfc_llcp_set_nrns(sock, pdu); - pending_pdu = skb_clone(pdu, GFP_KERNEL); - skb_queue_tail(&local->tx_queue, pdu); - skb_queue_tail(&sock->tx_pending_queue, pending_pdu); nr_frames++; } @@ -774,11 +788,21 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local, llcp_sock->send_ack_n = nr; - skb_queue_walk_safe(&llcp_sock->tx_pending_queue, s, tmp) - if (nfc_llcp_ns(s) <= nr) { - skb_unlink(s, &llcp_sock->tx_pending_queue); - kfree_skb(s); - } + /* Remove and free all skbs until ns == nr */ + skb_queue_walk_safe(&llcp_sock->tx_pending_queue, s, tmp) { + skb_unlink(s, &llcp_sock->tx_pending_queue); + kfree_skb(s); + + if (nfc_llcp_ns(s) == nr) + break; + } + + /* Re-queue the remaining skbs for transmission */ + skb_queue_reverse_walk_safe(&llcp_sock->tx_pending_queue, + s, tmp) { + skb_unlink(s, &llcp_sock->tx_pending_queue); + skb_queue_head(&local->tx_queue, s); + } } if (ptype == LLCP_PDU_RR) From 56af2568c27ee697a5a34cf037e3253e7b77e80b Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Wed, 30 May 2012 18:06:11 +0200 Subject: [PATCH 040/241] NFC: Send a receiver ready frame only to reply to an I frame Sending an RR as a reply to another RR is fine but not quite logical. We should send RRs only as a reply to I frames. Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 0fc60da6a0a1..3fe68e1d2e88 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -810,7 +810,7 @@ static void nfc_llcp_recv_hdlc(struct nfc_llcp_local *local, else if (ptype == LLCP_PDU_RNR) llcp_sock->remote_ready = false; - if (nfc_llcp_queue_i_frames(llcp_sock) == 0) + if (nfc_llcp_queue_i_frames(llcp_sock) == 0 && ptype == LLCP_PDU_I) nfc_llcp_send_rr(llcp_sock); release_sock(sk); From 5e50ee3ae6e465be89dd0a66f78c3211a412d595 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 11:48:58 +0200 Subject: [PATCH 041/241] NFC: Switch to Initiator mode when getting NFC_ATTR_PROTOCOLS That is needed for keeping backward compatibility with apps using the old netlink polling API (NFC_ATTR_PROTOCOLS instead of NFC_ATTR_IM_PROTOCOLS). Signed-off-by: Samuel Ortiz --- net/nfc/netlink.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/net/nfc/netlink.c b/net/nfc/netlink.c index 21eaa9b5c6bf..03c31db38f12 100644 --- a/net/nfc/netlink.c +++ b/net/nfc/netlink.c @@ -597,11 +597,11 @@ static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info) if (info->attrs[NFC_ATTR_TM_PROTOCOLS]) tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_TM_PROTOCOLS]); - else if (info->attrs[NFC_ATTR_PROTOCOLS]) - tm_protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]); if (info->attrs[NFC_ATTR_IM_PROTOCOLS]) im_protocols = nla_get_u32(info->attrs[NFC_ATTR_IM_PROTOCOLS]); + else if (info->attrs[NFC_ATTR_PROTOCOLS]) + im_protocols = nla_get_u32(info->attrs[NFC_ATTR_PROTOCOLS]); dev = nfc_get_device(idx); if (!dev) From 07922bb1e0eb3fb4e559eea2430a35dbf33659e0 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 17:29:15 +0200 Subject: [PATCH 042/241] NFC: Destroy LLCP timout workqueue when releasing the link Signed-off-by: Samuel Ortiz --- net/nfc/llcp/llcp.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/nfc/llcp/llcp.c b/net/nfc/llcp/llcp.c index 3fe68e1d2e88..5d503eeb15a1 100644 --- a/net/nfc/llcp/llcp.c +++ b/net/nfc/llcp/llcp.c @@ -111,6 +111,7 @@ static void local_release(struct kref *ref) skb_queue_purge(&local->tx_queue); destroy_workqueue(local->tx_wq); destroy_workqueue(local->rx_wq); + destroy_workqueue(local->timeout_wq); kfree_skb(local->rx_pending); kfree(local); } From 41a8ec496de8f4ef161fa0293de8cd9aa5773325 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 17:44:44 +0200 Subject: [PATCH 043/241] NFC: Set the proper baud rate when trying to activate pn533 targets We get the right baud rate from the last polled modulation. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 25 +++++++++++++++++++++++-- 1 file changed, 23 insertions(+), 2 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index c9ba96c320fe..b97e3c81ec0b 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -1629,6 +1629,20 @@ static int pn533_in_dep_link_up_complete(struct pn533 *dev, void *arg, return 0; } +static int pn533_mod_to_baud(struct pn533 *dev) +{ + switch (dev->poll_mod_curr) { + case PN533_POLL_MOD_106KBPS_A: + return 0; + case PN533_POLL_MOD_212KBPS_FELICA: + return 1; + case PN533_POLL_MOD_424KBPS_FELICA: + return 2; + default: + return -EINVAL; + } +} + #define PASSIVE_DATA_LEN 5 static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, u8 comm_mode, u8* gb, size_t gb_len) @@ -1637,7 +1651,7 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, struct pn533_cmd_jump_dep *cmd; u8 cmd_len, *data_ptr; u8 passive_data[PASSIVE_DATA_LEN] = {0x00, 0xff, 0xff, 0x00, 0x3}; - int rc; + int rc, baud; nfc_dev_dbg(&dev->interface->dev, "%s", __func__); @@ -1653,6 +1667,13 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, return -EBUSY; } + baud = pn533_mod_to_baud(dev); + if (baud < 0) { + nfc_dev_err(&dev->interface->dev, + "Invalid curr modulation %d", dev->poll_mod_curr); + return baud; + } + cmd_len = sizeof(struct pn533_cmd_jump_dep) + gb_len; if (comm_mode == NFC_COMM_PASSIVE) cmd_len += PASSIVE_DATA_LEN; @@ -1665,7 +1686,7 @@ static int pn533_dep_link_up(struct nfc_dev *nfc_dev, struct nfc_target *target, cmd->active = !comm_mode; cmd->next = 0; - cmd->baud = 2; + cmd->baud = baud; data_ptr = cmd->data; if (comm_mode == NFC_COMM_PASSIVE && cmd->baud > 0) { memcpy(data_ptr, passive_data, PASSIVE_DATA_LEN); From 0201ed0349a71cec12ced7e142e6df78504f38fb Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 17:56:46 +0200 Subject: [PATCH 044/241] NFC: Convert pn533 from semaphore to mutex Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index b97e3c81ec0b..58c1641cf658 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -329,7 +329,7 @@ struct pn533 { pn533_cmd_complete_t cmd_complete; void *cmd_complete_arg; - struct semaphore cmd_lock; + struct mutex cmd_lock; u8 cmd; struct pn533_poll_modulations *poll_mod_active[PN533_POLL_MOD_MAX + 1]; @@ -462,7 +462,7 @@ static void pn533_wq_cmd_complete(struct work_struct *work) PN533_FRAME_CMD_PARAMS_LEN(in_frame)); if (rc != -EINPROGRESS) - up(&dev->cmd_lock); + mutex_unlock(&dev->cmd_lock); } static void pn533_recv_response(struct urb *urb) @@ -640,7 +640,7 @@ static int pn533_send_cmd_frame_async(struct pn533 *dev, nfc_dev_dbg(&dev->interface->dev, "%s", __func__); - if (down_trylock(&dev->cmd_lock)) + if (!mutex_trylock(&dev->cmd_lock)) return -EBUSY; rc = __pn533_send_cmd_frame_async(dev, out_frame, in_frame, @@ -650,7 +650,7 @@ static int pn533_send_cmd_frame_async(struct pn533 *dev, return 0; error: - up(&dev->cmd_lock); + mutex_unlock(&dev->cmd_lock); return rc; } @@ -1261,7 +1261,7 @@ static void pn533_listen_mode_timer(unsigned long data) dev->cancel_listen = 1; - up(&dev->cmd_lock); + mutex_unlock(&dev->cmd_lock); pn533_poll_next_mod(dev); @@ -2054,7 +2054,7 @@ static void pn533_wq_mi_recv(struct work_struct *work) kfree(arg); - up(&dev->cmd_lock); + mutex_unlock(&dev->cmd_lock); } static int pn533_set_configuration(struct pn533 *dev, u8 cfgitem, u8 *cfgdata, @@ -2114,7 +2114,7 @@ static int pn533_probe(struct usb_interface *interface, dev->udev = usb_get_dev(interface_to_usbdev(interface)); dev->interface = interface; - sema_init(&dev->cmd_lock, 1); + mutex_init(&dev->cmd_lock); iface_desc = interface->cur_altsetting; for (i = 0; i < iface_desc->desc.bNumEndpoints; ++i) { From 51ad304cc8db5589d1e7b0a9df3858381753d788 Mon Sep 17 00:00:00 2001 From: Samuel Ortiz Date: Thu, 31 May 2012 20:01:32 +0200 Subject: [PATCH 045/241] NFC: Monitor pn533 target mode When receiving a DEP link down event, we should cancel all pending URBs if we're activated as a target or if we're an initiator. Signed-off-by: Samuel Ortiz --- drivers/nfc/pn533.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/drivers/nfc/pn533.c b/drivers/nfc/pn533.c index 58c1641cf658..9ac829e22e73 100644 --- a/drivers/nfc/pn533.c +++ b/drivers/nfc/pn533.c @@ -343,6 +343,7 @@ struct pn533 { u8 tgt_available_prots; u8 tgt_active_prot; + u8 tgt_mode; }; struct pn533_frame { @@ -1158,6 +1159,8 @@ static int pn533_tm_get_data_complete(struct pn533 *dev, void *arg, if (params_len > 0 && params[0] != 0) { nfc_tm_deactivated(dev->nfc_dev); + dev->tgt_mode = 0; + kfree_skb(skb_resp); return 0; } @@ -1245,6 +1248,8 @@ static int pn533_init_target_complete(struct pn533 *dev, void *arg, return rc; } + dev->tgt_mode = 1; + queue_work(dev->wq, &dev->tg_work); return 0; @@ -1397,6 +1402,12 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev, return -EBUSY; } + if (dev->tgt_mode) { + nfc_dev_err(&dev->interface->dev, + "Cannot poll while already being activated"); + return -EBUSY; + } + if (tm_protocols) { dev->gb = nfc_get_local_general_bytes(nfc_dev, &dev->gb_len); if (dev->gb == NULL) @@ -1725,7 +1736,15 @@ static int pn533_dep_link_down(struct nfc_dev *nfc_dev) pn533_poll_reset_mod_list(dev); - pn533_deactivate_target(nfc_dev, 0); + if (dev->tgt_mode || dev->tgt_active_prot) { + pn533_send_ack(dev, GFP_KERNEL); + usb_kill_urb(dev->in_urb); + } + + dev->tgt_active_prot = 0; + dev->tgt_mode = 0; + + skb_queue_purge(&dev->resp_q); return 0; } @@ -1956,6 +1975,8 @@ static int pn533_tm_send_complete(struct pn533 *dev, void *arg, if (params_len > 0 && params[0] != 0) { nfc_tm_deactivated(dev->nfc_dev); + dev->tgt_mode = 0; + return 0; } From ddcd0f41471a1e0394c8840a119ec3986a78462c Mon Sep 17 00:00:00 2001 From: Vinicius Costa Gomes Date: Thu, 31 May 2012 22:53:39 -0300 Subject: [PATCH 046/241] Bluetooth: Fix checking the wrong flag when accepting a socket Most probably a typo, the check should have been for BT_SK_DEFER_SETUP instead of BT_DEFER_SETUP (which right now only represents a socket option). Signed-off-by: Vinicius Costa Gomes Acked-by: Andrei Emeltchenko Signed-off-by: Gustavo Padovan --- net/bluetooth/af_bluetooth.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 46e7f86acfc9..3e18af4dadc4 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -210,7 +210,7 @@ struct sock *bt_accept_dequeue(struct sock *parent, struct socket *newsock) } if (sk->sk_state == BT_CONNECTED || !newsock || - test_bit(BT_DEFER_SETUP, &bt_sk(parent)->flags)) { + test_bit(BT_SK_DEFER_SETUP, &bt_sk(parent)->flags)) { bt_accept_unlink(sk); if (newsock) sock_graft(sk, newsock); From 9a1a69901dae144ae160af5ac38848866d7c83b1 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:06 +0300 Subject: [PATCH 047/241] wl18xx: add new module Add the wl18xx module and the probe functions. Use wlcore for the main parts (not functional at this point due to differences in the wl18xx initialization). Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/Kconfig | 1 + drivers/net/wireless/ti/Makefile | 1 + drivers/net/wireless/ti/wl18xx/Kconfig | 6 ++ drivers/net/wireless/ti/wl18xx/Makefile | 3 + drivers/net/wireless/ti/wl18xx/main.c | 73 +++++++++++++++++++++++++ 5 files changed, 84 insertions(+) create mode 100644 drivers/net/wireless/ti/wl18xx/Kconfig create mode 100644 drivers/net/wireless/ti/wl18xx/Makefile create mode 100644 drivers/net/wireless/ti/wl18xx/main.c diff --git a/drivers/net/wireless/ti/Kconfig b/drivers/net/wireless/ti/Kconfig index 1a72932e2213..be800119d0a3 100644 --- a/drivers/net/wireless/ti/Kconfig +++ b/drivers/net/wireless/ti/Kconfig @@ -8,6 +8,7 @@ menuconfig WL_TI if WL_TI source "drivers/net/wireless/ti/wl1251/Kconfig" source "drivers/net/wireless/ti/wl12xx/Kconfig" +source "drivers/net/wireless/ti/wl18xx/Kconfig" # keep last for automatic dependencies source "drivers/net/wireless/ti/wlcore/Kconfig" diff --git a/drivers/net/wireless/ti/Makefile b/drivers/net/wireless/ti/Makefile index 0a565622d4a4..4d6823983c04 100644 --- a/drivers/net/wireless/ti/Makefile +++ b/drivers/net/wireless/ti/Makefile @@ -2,3 +2,4 @@ obj-$(CONFIG_WLCORE) += wlcore/ obj-$(CONFIG_WL12XX) += wl12xx/ obj-$(CONFIG_WL12XX_PLATFORM_DATA) += wlcore/ obj-$(CONFIG_WL1251) += wl1251/ +obj-$(CONFIG_WL18XX) += wl18xx/ diff --git a/drivers/net/wireless/ti/wl18xx/Kconfig b/drivers/net/wireless/ti/wl18xx/Kconfig new file mode 100644 index 000000000000..1451d1f377c9 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/Kconfig @@ -0,0 +1,6 @@ +config WL18XX + tristate "TI wl18xx support" + select WLCORE + ---help--- + This module adds support for wireless adapters based on TI + WiLink 8 chipsets. diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile new file mode 100644 index 000000000000..d187037bef70 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -0,0 +1,3 @@ +wl18xx-objs = main.o + +obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c new file mode 100644 index 000000000000..cb835d914bab --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -0,0 +1,73 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include +#include + +#include "../wlcore/wlcore.h" +#include "../wlcore/debug.h" + +int __devinit wl18xx_probe(struct platform_device *pdev) +{ + struct wl1271 *wl; + struct ieee80211_hw *hw; + + hw = wlcore_alloc_hw(0); + if (IS_ERR(hw)) { + wl1271_error("can't allocate hw"); + return PTR_ERR(hw); + } + + wl = hw->priv; + + return wlcore_probe(wl, pdev); +} + +static const struct platform_device_id wl18xx_id_table[] __devinitconst = { + { "wl18xx", 0 }, + { } /* Terminating Entry */ +}; +MODULE_DEVICE_TABLE(platform, wl18xx_id_table); + +static struct platform_driver wl18xx_driver = { + .probe = wl18xx_probe, + .remove = __devexit_p(wlcore_remove), + .id_table = wl18xx_id_table, + .driver = { + .name = "wl18xx_driver", + .owner = THIS_MODULE, + } +}; + +static int __init wl18xx_init(void) +{ + return platform_driver_register(&wl18xx_driver); +} +module_init(wl18xx_init); + +static void __exit wl18xx_exit(void) +{ + platform_driver_unregister(&wl18xx_driver); +} +module_exit(wl18xx_exit); + +MODULE_LICENSE("GPL v2"); +MODULE_AUTHOR("Luciano Coelho "); From 197c62832b1a347f933fea286fc70266026ef5fb Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:07 +0300 Subject: [PATCH 048/241] wlcore_sdio/wl18xx: use SDIO revision number to identify wl18xx chips At least in PG1, the wl18xx chips use the same SDIO vendor/device ID, so it's not possible to figure out which driver is to be used. As a workaround, we can check the SDIO revision number, because wl18xx uses 3.00 and wl12xx does not. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/sdio.c | 15 ++++++++++++++- 1 file changed, 14 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index 0a72347cfc4c..1082e394e8f7 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -25,6 +25,7 @@ #include #include #include +#include #include #include #include @@ -196,6 +197,7 @@ static int __devinit wl1271_probe(struct sdio_func *func, struct resource res[1]; mmc_pm_flag_t mmcflags; int ret = -ENOMEM; + const char *chip_family; /* We are only able to handle the wlan function */ if (func->num != 0x02) @@ -236,7 +238,18 @@ static int __devinit wl1271_probe(struct sdio_func *func, /* Tell PM core that we don't need the card to be powered now */ pm_runtime_put_noidle(&func->dev); - glue->core = platform_device_alloc("wl12xx", -1); + /* + * Due to a hardware bug, we can't differentiate wl18xx from + * wl12xx, because both report the same device ID. The only + * way to differentiate is by checking the SDIO revision, + * which is 3.00 on the wl18xx chips. + */ + if (func->card->cccr.sdio_vsn == SDIO_SDIO_REV_3_00) + chip_family = "wl18xx"; + else + chip_family = "wl12xx"; + + glue->core = platform_device_alloc(chip_family, -1); if (!glue->core) { dev_err(glue->dev, "can't allocate platform_device"); ret = -ENOMEM; From 554c36b7373ffcbe9c752ad779402f8cf3a44b48 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:08 +0300 Subject: [PATCH 049/241] wl18xx: add empty operations struct We don't have any chip-specific operations yet, but now wlcore has defined an operations structure and requires the pointer to be set. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index cb835d914bab..3fa9298e0b42 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -25,6 +25,9 @@ #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" +static struct wlcore_ops wl18xx_ops = { +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -37,6 +40,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) } wl = hw->priv; + wl->ops = &wl18xx_ops; return wlcore_probe(wl, pdev); } From 82b890cd4ea90e127feca3c27a7625e304e7e193 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:09 +0300 Subject: [PATCH 050/241] wl18xx: add partition table Define and add the partition table in the wlcore struct. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 35 +++++++++++++++++++++++++++ 1 file changed, 35 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 3fa9298e0b42..f3a164a9d294 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -28,6 +28,40 @@ static struct wlcore_ops wl18xx_ops = { }; +static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = { + [PART_TOP_PRCM_ELP_SOC] = { + .mem = { .start = 0x00A02000, .size = 0x00010000 }, + .reg = { .start = 0x00807000, .size = 0x00005000 }, + .mem2 = { .start = 0x00800000, .size = 0x0000B000 }, + .mem3 = { .start = 0x00000000, .size = 0x00000000 }, + }, + [PART_DOWN] = { + .mem = { .start = 0x00000000, .size = 0x00014000 }, + .reg = { .start = 0x00810000, .size = 0x0000BFFF }, + .mem2 = { .start = 0x00000000, .size = 0x00000000 }, + .mem3 = { .start = 0x00000000, .size = 0x00000000 }, + }, + [PART_BOOT] = { + .mem = { .start = 0x00700000, .size = 0x0000030c }, + .reg = { .start = 0x00802000, .size = 0x00014578 }, + .mem2 = { .start = 0x00B00404, .size = 0x00001000 }, + .mem3 = { .start = 0x00C00000, .size = 0x00000400 }, + }, + [PART_WORK] = { + .mem = { .start = 0x00800000, .size = 0x000050FC }, + .reg = { .start = 0x00B00404, .size = 0x00001000 }, + .mem2 = { .start = 0x00C00000, .size = 0x00000400 }, + .mem3 = { .start = 0x00000000, .size = 0x00000000 }, + }, + [PART_PHY_INIT] = { + /* TODO: use the phy_conf struct size here */ + .mem = { .start = 0x80926000, .size = 252 }, + .reg = { .start = 0x00000000, .size = 0x00000000 }, + .mem2 = { .start = 0x00000000, .size = 0x00000000 }, + .mem3 = { .start = 0x00000000, .size = 0x00000000 }, + }, +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -41,6 +75,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl = hw->priv; wl->ops = &wl18xx_ops; + wl->ptable = wl18xx_ptable; return wlcore_probe(wl, pdev); } From 5d4a9fa692ce0fc9fff0a35e53b3a9be44b48da5 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:10 +0300 Subject: [PATCH 051/241] wl18xx: add register table Add the register table with the appropriate values for wl18xx. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 23 ++++++ drivers/net/wireless/ti/wl18xx/reg.h | 112 ++++++++++++++++++++++++++ 2 files changed, 135 insertions(+) create mode 100644 drivers/net/wireless/ti/wl18xx/reg.h diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index f3a164a9d294..88fd93485175 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -25,6 +25,8 @@ #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" +#include "reg.h" + static struct wlcore_ops wl18xx_ops = { }; @@ -62,6 +64,26 @@ static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = { }, }; +static const int wl18xx_rtable[REG_TABLE_LEN] = { + [REG_ECPU_CONTROL] = WL18XX_REG_ECPU_CONTROL, + [REG_INTERRUPT_NO_CLEAR] = WL18XX_REG_INTERRUPT_NO_CLEAR, + [REG_INTERRUPT_ACK] = WL18XX_REG_INTERRUPT_ACK, + [REG_COMMAND_MAILBOX_PTR] = WL18XX_REG_COMMAND_MAILBOX_PTR, + [REG_EVENT_MAILBOX_PTR] = WL18XX_REG_EVENT_MAILBOX_PTR, + [REG_INTERRUPT_TRIG] = WL18XX_REG_INTERRUPT_TRIG_H, + [REG_INTERRUPT_MASK] = WL18XX_REG_INTERRUPT_MASK, + [REG_PC_ON_RECOVERY] = 0, /* TODO: where is the PC? */ + [REG_CHIP_ID_B] = WL18XX_REG_CHIP_ID_B, + [REG_CMD_MBOX_ADDRESS] = WL18XX_CMD_MBOX_ADDRESS, + + /* data access memory addresses, used with partition translation */ + [REG_SLV_MEM_DATA] = WL18XX_SLV_MEM_DATA, + [REG_SLV_REG_DATA] = WL18XX_SLV_REG_DATA, + + /* raw data access memory addresses */ + [REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR, +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -76,6 +98,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl = hw->priv; wl->ops = &wl18xx_ops; wl->ptable = wl18xx_ptable; + wl->rtable = wl18xx_rtable; return wlcore_probe(wl, pdev); } diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h new file mode 100644 index 000000000000..9af0c83727d6 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -0,0 +1,112 @@ +/* + * This file is part of wlcore + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __REG_H__ +#define __REG_H__ + +#define WL18XX_REGISTERS_BASE 0x00800000 +#define WL18XX_CODE_BASE 0x00000000 +#define WL18XX_DATA_BASE 0x00400000 +#define WL18XX_DOUBLE_BUFFER_BASE 0x00600000 +#define WL18XX_MCU_KEY_SEARCH_BASE 0x00700000 +#define WL18XX_PHY_BASE 0x00900000 +#define WL18XX_TOP_OCP_BASE 0x00A00000 +#define WL18XX_PACKET_RAM_BASE 0x00B00000 +#define WL18XX_HOST_BASE 0x00C00000 + +#define WL18XX_REGISTERS_DOWN_SIZE 0x0000B000 + +#define WL18XX_REG_BOOT_PART_START 0x00802000 +#define WL18XX_REG_BOOT_PART_SIZE 0x00014578 + +#define WL18XX_PHY_INIT_MEM_ADDR 0x80926000 + +#define WL18XX_SDIO_WSPI_BASE (WL18XX_REGISTERS_BASE) +#define WL18XX_REG_CONFIG_BASE (WL18XX_REGISTERS_BASE + 0x02000) +#define WL18XX_WGCM_REGS_BASE (WL18XX_REGISTERS_BASE + 0x03000) +#define WL18XX_ENC_BASE (WL18XX_REGISTERS_BASE + 0x04000) +#define WL18XX_INTERRUPT_BASE (WL18XX_REGISTERS_BASE + 0x05000) +#define WL18XX_UART_BASE (WL18XX_REGISTERS_BASE + 0x06000) +#define WL18XX_WELP_BASE (WL18XX_REGISTERS_BASE + 0x07000) +#define WL18XX_TCP_CKSM_BASE (WL18XX_REGISTERS_BASE + 0x08000) +#define WL18XX_FIFO_BASE (WL18XX_REGISTERS_BASE + 0x09000) +#define WL18XX_OCP_BRIDGE_BASE (WL18XX_REGISTERS_BASE + 0x0A000) +#define WL18XX_PMAC_RX_BASE (WL18XX_REGISTERS_BASE + 0x14800) +#define WL18XX_PMAC_ACM_BASE (WL18XX_REGISTERS_BASE + 0x14C00) +#define WL18XX_PMAC_TX_BASE (WL18XX_REGISTERS_BASE + 0x15000) +#define WL18XX_PMAC_CSR_BASE (WL18XX_REGISTERS_BASE + 0x15400) + +#define WL18XX_REG_ECPU_CONTROL (WL18XX_REGISTERS_BASE + 0x02004) +#define WL18XX_REG_INTERRUPT_NO_CLEAR (WL18XX_REGISTERS_BASE + 0x050E8) +#define WL18XX_REG_INTERRUPT_ACK (WL18XX_REGISTERS_BASE + 0x050F0) +#define WL18XX_REG_INTERRUPT_TRIG (WL18XX_REGISTERS_BASE + 0x5074) +#define WL18XX_REG_INTERRUPT_TRIG_H (WL18XX_REGISTERS_BASE + 0x5078) +#define WL18XX_REG_INTERRUPT_MASK (WL18XX_REGISTERS_BASE + 0x0050DC) + +#define WL18XX_REG_CHIP_ID_B (WL18XX_REGISTERS_BASE + 0x01542C) + +#define WL18XX_SLV_MEM_DATA (WL18XX_HOST_BASE + 0x0018) +#define WL18XX_SLV_REG_DATA (WL18XX_HOST_BASE + 0x0008) + +/* Scratch Pad registers*/ +#define WL18XX_SCR_PAD0 (WL18XX_REGISTERS_BASE + 0x0154EC) +#define WL18XX_SCR_PAD1 (WL18XX_REGISTERS_BASE + 0x0154F0) +#define WL18XX_SCR_PAD2 (WL18XX_REGISTERS_BASE + 0x0154F4) +#define WL18XX_SCR_PAD3 (WL18XX_REGISTERS_BASE + 0x0154F8) +#define WL18XX_SCR_PAD4 (WL18XX_REGISTERS_BASE + 0x0154FC) +#define WL18XX_SCR_PAD4_SET (WL18XX_REGISTERS_BASE + 0x015504) +#define WL18XX_SCR_PAD4_CLR (WL18XX_REGISTERS_BASE + 0x015500) +#define WL18XX_SCR_PAD5 (WL18XX_REGISTERS_BASE + 0x015508) +#define WL18XX_SCR_PAD5_SET (WL18XX_REGISTERS_BASE + 0x015510) +#define WL18XX_SCR_PAD5_CLR (WL18XX_REGISTERS_BASE + 0x01550C) +#define WL18XX_SCR_PAD6 (WL18XX_REGISTERS_BASE + 0x015514) +#define WL18XX_SCR_PAD7 (WL18XX_REGISTERS_BASE + 0x015518) +#define WL18XX_SCR_PAD8 (WL18XX_REGISTERS_BASE + 0x01551C) +#define WL18XX_SCR_PAD9 (WL18XX_REGISTERS_BASE + 0x015520) + +/* Spare registers*/ +#define WL18XX_SPARE_A1 (WL18XX_REGISTERS_BASE + 0x002194) +#define WL18XX_SPARE_A2 (WL18XX_REGISTERS_BASE + 0x002198) +#define WL18XX_SPARE_A3 (WL18XX_REGISTERS_BASE + 0x00219C) +#define WL18XX_SPARE_A4 (WL18XX_REGISTERS_BASE + 0x0021A0) +#define WL18XX_SPARE_A5 (WL18XX_REGISTERS_BASE + 0x0021A4) +#define WL18XX_SPARE_A6 (WL18XX_REGISTERS_BASE + 0x0021A8) +#define WL18XX_SPARE_A7 (WL18XX_REGISTERS_BASE + 0x0021AC) +#define WL18XX_SPARE_A8 (WL18XX_REGISTERS_BASE + 0x0021B0) +#define WL18XX_SPARE_B1 (WL18XX_REGISTERS_BASE + 0x015524) +#define WL18XX_SPARE_B2 (WL18XX_REGISTERS_BASE + 0x015528) +#define WL18XX_SPARE_B3 (WL18XX_REGISTERS_BASE + 0x01552C) +#define WL18XX_SPARE_B4 (WL18XX_REGISTERS_BASE + 0x015530) +#define WL18XX_SPARE_B5 (WL18XX_REGISTERS_BASE + 0x015534) +#define WL18XX_SPARE_B6 (WL18XX_REGISTERS_BASE + 0x015538) +#define WL18XX_SPARE_B7 (WL18XX_REGISTERS_BASE + 0x01553C) +#define WL18XX_SPARE_B8 (WL18XX_REGISTERS_BASE + 0x015540) + +#define WL18XX_REG_COMMAND_MAILBOX_PTR (WL18XX_SCR_PAD0) +#define WL18XX_REG_EVENT_MAILBOX_PTR (WL18XX_SCR_PAD1) + +#define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 + +#define WL18XX_FW_STATUS_ADDR 0x50F8 + +#define CHIP_ID_185x_PG10 (0x06030101) + +#endif /* __REG_H__ */ From 0cd6543f6852d646985786a429027bd0461e1cb4 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:11 +0300 Subject: [PATCH 052/241] wl18xx: add identify chip operation Add identify_chip operation to detect the chip ID for wl185x and set the correct firmware name. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 34 ++++++++++++++++++++++++--- 1 file changed, 31 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 88fd93485175..e517afd98f41 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -27,9 +27,6 @@ #include "reg.h" -static struct wlcore_ops wl18xx_ops = { -}; - static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = { [PART_TOP_PRCM_ELP_SOC] = { .mem = { .start = 0x00A02000, .size = 0x00010000 }, @@ -84,6 +81,36 @@ static const int wl18xx_rtable[REG_TABLE_LEN] = { [REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR, }; +/* TODO: maybe move to a new header file? */ +#define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw.bin" + +static int wl18xx_identify_chip(struct wl1271 *wl) +{ + int ret = 0; + + switch (wl->chip.id) { + case CHIP_ID_185x_PG10: + wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)", + wl->chip.id); + wl->sr_fw_name = WL18XX_FW_NAME; + wl->quirks |= WLCORE_QUIRK_NO_ELP; + + /* TODO: need to blocksize alignment for RX/TX separately? */ + break; + default: + wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); + ret = -ENODEV; + goto out; + } + +out: + return ret; +} + +static struct wlcore_ops wl18xx_ops = { + .identify_chip = wl18xx_identify_chip, +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -133,3 +160,4 @@ module_exit(wl18xx_exit); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); +MODULE_FIRMWARE(WL18XX_FW_NAME); From 46a1d51261bc4d9cd35b4e41a9b623687c0b4b8c Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:12 +0300 Subject: [PATCH 053/241] wl18xx: add some boot operations and hw-specific configurations Implement the boot operation. Add a wl18xx-specific configuration structure (namely to configure the mac and phy parameters). The default hw configuration matches the DVP board. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/conf.h | 57 ++++++++ drivers/net/wireless/ti/wl18xx/main.c | 180 +++++++++++++++++++++++++- drivers/net/wireless/ti/wl18xx/reg.h | 75 +++++++++++ 3 files changed, 311 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/ti/wl18xx/conf.h diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h new file mode 100644 index 000000000000..7cd7bf16879e --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -0,0 +1,57 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_CONF_H__ +#define __WL18XX_CONF_H__ + +struct wl18xx_conf_phy { + u8 phy_standalone; + u8 rdl; + u8 enable_clpc; + u8 enable_tx_low_pwr_on_siso_rdl; + u8 auto_detect; + u8 dedicated_fem; + u8 low_band_component; + u8 low_band_component_type; + u8 high_band_component; + u8 high_band_component_type; + u8 number_of_assembled_ant2_4; + u8 number_of_assembled_ant5; + u8 external_pa_dc2dc; + u8 tcxo_ldo_voltage; + u8 xtal_itrim_val; + u8 srf_state; + u8 io_configuration; + u8 sdio_configuration; + u8 settings; + u8 rx_profile; + u8 primary_clock_setting_time; + u8 clock_valid_on_wake_up; + u8 secondary_clock_setting_time; +}; + +struct wl18xx_conf { + /* TODO: move the wlcore conf here? */ + + struct wl18xx_conf_phy phy; +}; + +#endif /* __WL18XX_CONF_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index e517afd98f41..12632d0373cc 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -24,8 +24,40 @@ #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" +#include "../wlcore/io.h" +#include "../wlcore/acx.h" +#include "../wlcore/boot.h" #include "reg.h" +#include "conf.h" + +static struct wl18xx_conf wl18xx_default_conf = { + .phy = { + .phy_standalone = 0x00, + .primary_clock_setting_time = 0x05, + .clock_valid_on_wake_up = 0x00, + .secondary_clock_setting_time = 0x05, + .rdl = 0x01, + .auto_detect = 0x00, + .dedicated_fem = FEM_NONE, + .low_band_component = COMPONENT_2_WAY_SWITCH, + .low_band_component_type = 0x05, + .high_band_component = COMPONENT_2_WAY_SWITCH, + .high_band_component_type = 0x09, + .number_of_assembled_ant2_4 = 0x01, + .number_of_assembled_ant5 = 0x01, + .external_pa_dc2dc = 0x00, + .tcxo_ldo_voltage = 0x00, + .xtal_itrim_val = 0x04, + .srf_state = 0x00, + .io_configuration = 0x01, + .sdio_configuration = 0x00, + .settings = 0x00, + .enable_clpc = 0x00, + .enable_tx_low_pwr_on_siso_rdl = 0x00, + .rx_profile = 0x00, + }, +}; static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = { [PART_TOP_PRCM_ELP_SOC] = { @@ -107,8 +139,154 @@ static int wl18xx_identify_chip(struct wl1271 *wl) return ret; } +static void wl18xx_set_clk(struct wl1271 *wl) +{ + /* + * TODO: this is hardcoded just for DVP/EVB, fix according to + * new unified_drv. + */ + wl1271_write32(wl, WL18XX_SCR_PAD2, 0xB3); + + wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); + wl1271_write32(wl, 0x00A02360, 0xD0078); + wl1271_write32(wl, 0x00A0236c, 0x12); + wl1271_write32(wl, 0x00A02390, 0x20118); +} + +static void wl18xx_boot_soft_reset(struct wl1271 *wl) +{ + /* disable Rx/Tx */ + wl1271_write32(wl, WL18XX_ENABLE, 0x0); + + /* disable auto calibration on start*/ + wl1271_write32(wl, WL18XX_SPARE_A2, 0xffff); +} + +static int wl18xx_pre_boot(struct wl1271 *wl) +{ + /* TODO: add hw_pg_ver reading */ + + wl18xx_set_clk(wl); + + /* Continue the ELP wake up sequence */ + wl1271_write32(wl, WL18XX_WELP_ARM_COMMAND, WELP_ARM_COMMAND_VAL); + udelay(500); + + wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + + /* Disable interrupts */ + wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_INTR_ALL); + + wl18xx_boot_soft_reset(wl); + + return 0; +} + +static void wl18xx_pre_upload(struct wl1271 *wl) +{ + u32 tmp; + + wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + + /* TODO: check if this is all needed */ + wl1271_write32(wl, WL18XX_EEPROMLESS_IND, WL18XX_EEPROMLESS_IND); + + tmp = wlcore_read_reg(wl, REG_CHIP_ID_B); + + wl1271_debug(DEBUG_BOOT, "chip id 0x%x", tmp); + + tmp = wl1271_read32(wl, WL18XX_SCR_PAD2); +} + +static void wl18xx_set_mac_and_phy(struct wl1271 *wl) +{ + struct wl18xx_mac_and_phy_params params; + + memset(¶ms, 0, sizeof(params)); + + params.phy_standalone = wl18xx_default_conf.phy.phy_standalone; + params.rdl = wl18xx_default_conf.phy.rdl; + params.enable_clpc = wl18xx_default_conf.phy.enable_clpc; + params.enable_tx_low_pwr_on_siso_rdl = + wl18xx_default_conf.phy.enable_tx_low_pwr_on_siso_rdl; + params.auto_detect = wl18xx_default_conf.phy.auto_detect; + params.dedicated_fem = wl18xx_default_conf.phy.dedicated_fem; + params.low_band_component = wl18xx_default_conf.phy.low_band_component; + params.low_band_component_type = + wl18xx_default_conf.phy.low_band_component_type; + params.high_band_component = + wl18xx_default_conf.phy.high_band_component; + params.high_band_component_type = + wl18xx_default_conf.phy.high_band_component_type; + params.number_of_assembled_ant2_4 = + wl18xx_default_conf.phy.number_of_assembled_ant2_4; + params.number_of_assembled_ant5 = + wl18xx_default_conf.phy.number_of_assembled_ant5; + params.external_pa_dc2dc = wl18xx_default_conf.phy.external_pa_dc2dc; + params.tcxo_ldo_voltage = wl18xx_default_conf.phy.tcxo_ldo_voltage; + params.xtal_itrim_val = wl18xx_default_conf.phy.xtal_itrim_val; + params.srf_state = wl18xx_default_conf.phy.srf_state; + params.io_configuration = wl18xx_default_conf.phy.io_configuration; + params.sdio_configuration = wl18xx_default_conf.phy.sdio_configuration; + params.settings = wl18xx_default_conf.phy.settings; + params.rx_profile = wl18xx_default_conf.phy.rx_profile; + params.primary_clock_setting_time = + wl18xx_default_conf.phy.primary_clock_setting_time; + params.clock_valid_on_wake_up = + wl18xx_default_conf.phy.clock_valid_on_wake_up; + params.secondary_clock_setting_time = + wl18xx_default_conf.phy.secondary_clock_setting_time; + + /* TODO: hardcoded for now */ + params.board_type = BOARD_TYPE_DVP_EVB_18XX; + + wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]); + wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)¶ms, + sizeof(params), false); +} + +static void wl18xx_enable_interrupts(struct wl1271 *wl) +{ + wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); + + wlcore_enable_interrupts(wl); + wlcore_write_reg(wl, REG_INTERRUPT_MASK, + WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); +} + +static int wl18xx_boot(struct wl1271 *wl) +{ + int ret; + + ret = wl18xx_pre_boot(wl); + if (ret < 0) + goto out; + + ret = wlcore_boot_upload_nvs(wl); + if (ret < 0) + goto out; + + wl18xx_pre_upload(wl); + + ret = wlcore_boot_upload_firmware(wl); + if (ret < 0) + goto out; + + wl18xx_set_mac_and_phy(wl); + + ret = wlcore_boot_run_firmware(wl); + if (ret < 0) + goto out; + + wl18xx_enable_interrupts(wl); + +out: + return ret; +} + static struct wlcore_ops wl18xx_ops = { - .identify_chip = wl18xx_identify_chip, + .identify_chip = wl18xx_identify_chip, + .boot = wl18xx_boot, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 9af0c83727d6..2916d6939d44 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -102,6 +102,10 @@ #define WL18XX_REG_COMMAND_MAILBOX_PTR (WL18XX_SCR_PAD0) #define WL18XX_REG_EVENT_MAILBOX_PTR (WL18XX_SCR_PAD1) +#define WL18XX_EEPROMLESS_IND (WL18XX_SCR_PAD4) + +#define WL18XX_WELP_ARM_COMMAND (WL18XX_REGISTERS_BASE + 0x7100) +#define WL18XX_ENABLE (WL18XX_REGISTERS_BASE + 0x01543C) #define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 @@ -109,4 +113,75 @@ #define CHIP_ID_185x_PG10 (0x06030101) +/* TODO: maybe move elsewhere? */ +#define NUM_OF_CHANNELS_11_ABG 150 +#define NUM_OF_CHANNELS_11_P 7 +#define WL18XX_NUM_OF_SUB_BANDS 9 +#define SRF_TABLE_LEN 16 +#define PIN_MUXING_SIZE 2 + +enum { + COMPONENT_NO_SWITCH = 0x0, + COMPONENT_2_WAY_SWITCH = 0x1, + COMPONENT_3_WAY_SWITCH = 0x2, + COMPONENT_MATCHING = 0x3, +}; + +enum { + FEM_NONE = 0x0, + FEM_VENDOR_1 = 0x1, + FEM_VENDOR_2 = 0x2, + FEM_VENDOR_3 = 0x3, +}; + +enum { + BOARD_TYPE_FPGA_18XX = 0, + BOARD_TYPE_HDK_18XX = 1, + BOARD_TYPE_DVP_EVB_18XX = 2, +}; + +struct wl18xx_mac_and_phy_params { + u8 phy_standalone; + u8 rdl; + u8 enable_clpc; + u8 enable_tx_low_pwr_on_siso_rdl; + u8 auto_detect; + u8 dedicated_fem; + + u8 low_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ + u8 low_band_component_type; + + u8 high_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ + u8 high_band_component_type; + u8 number_of_assembled_ant2_4; + u8 number_of_assembled_ant5; + u8 pin_muxing_platform_options[PIN_MUXING_SIZE]; + u8 external_pa_dc2dc; + u8 tcxo_ldo_voltage; + u8 xtal_itrim_val; + u8 srf_state; + u8 srf1[SRF_TABLE_LEN]; + u8 srf2[SRF_TABLE_LEN]; + u8 srf3[SRF_TABLE_LEN]; + u8 io_configuration; + u8 sdio_configuration; + u8 settings; + u8 rx_profile; + u8 per_chan_pwr_limit_arr_11abg[NUM_OF_CHANNELS_11_ABG]; + u8 pwr_limit_reference_11_abg; + u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; + u8 pwr_limit_reference_11p; + u8 per_sub_band_tx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 per_sub_band_rx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 primary_clock_setting_time; + u8 clock_valid_on_wake_up; + u8 secondary_clock_setting_time; + u8 board_type; + u8 padding[1]; +} __packed; + #endif /* __REG_H__ */ From 274c66cdcd89654de276be871627181b192a6e30 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:13 +0300 Subject: [PATCH 054/241] wl18xx: add trigger command and ack event operations Add the operations that allow wlcore to trigger commands to the firmware and acknowledge when an event has been fully received. Allocate a private buffer to hold the maximum sized cmd. Send the entire length of the buffer each time a command is sent to signal EOT. Remove the previous EOT mechanism. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 20 +++++++++++++++ drivers/net/wireless/ti/wl18xx/reg.h | 16 ++++++++++++ drivers/net/wireless/ti/wl18xx/wl18xx.h | 33 +++++++++++++++++++++++++ 3 files changed, 69 insertions(+) create mode 100644 drivers/net/wireless/ti/wl18xx/wl18xx.h diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 12632d0373cc..6a487c83752d 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -30,6 +30,7 @@ #include "reg.h" #include "conf.h" +#include "wl18xx.h" static struct wl18xx_conf wl18xx_default_conf = { .phy = { @@ -284,9 +285,28 @@ static int wl18xx_boot(struct wl1271 *wl) return ret; } +static void wl18xx_trigger_cmd(struct wl1271 *wl, int cmd_box_addr, + void *buf, size_t len) +{ + struct wl18xx_priv *priv = wl->priv; + + memcpy(priv->cmd_buf, buf, len); + memset(priv->cmd_buf + len, 0, WL18XX_CMD_MAX_SIZE - len); + + wl1271_write(wl, cmd_box_addr, priv->cmd_buf, WL18XX_CMD_MAX_SIZE, + false); +} + +static void wl18xx_ack_event(struct wl1271 *wl) +{ + wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL18XX_INTR_TRIG_EVENT_ACK); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, + .trigger_cmd = wl18xx_trigger_cmd, + .ack_event = wl18xx_ack_event, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 2916d6939d44..53987997f78f 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -113,6 +113,22 @@ #define CHIP_ID_185x_PG10 (0x06030101) +/* + * Host Command Interrupt. Setting this bit masks + * the interrupt that the host issues to inform + * the FW that it has sent a command + * to the Wlan hardware Command Mailbox. + */ +#define WL18XX_INTR_TRIG_CMD BIT(28) + +/* + * Host Event Acknowlegde Interrupt. The host + * sets this bit to acknowledge that it received + * the unsolicited information from the event + * mailbox. + */ +#define WL18XX_INTR_TRIG_EVENT_ACK BIT(29) + /* TODO: maybe move elsewhere? */ #define NUM_OF_CHANNELS_11_ABG 150 #define NUM_OF_CHANNELS_11_P 7 diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h new file mode 100644 index 000000000000..58709bb88b7b --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -0,0 +1,33 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_PRIV_H__ +#define __WL18XX_PRIV_H__ + + +#define WL18XX_CMD_MAX_SIZE 740 + +struct wl18xx_priv { + /* buffer for sending commands to FW */ + u8 cmd_buf[WL18XX_CMD_MAX_SIZE]; +}; + +#endif /* __WL18XX_PRIV_H__ */ From 9d1c973a7b569652cea0ea00dc7ac409b08a8381 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:14 +0300 Subject: [PATCH 055/241] wl18xx: create per-chip-family private storage Make use of the wlcore provided private storage in the 18xx low-level driver. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6a487c83752d..b298e0121377 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -313,8 +313,9 @@ int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; struct ieee80211_hw *hw; + struct wl18xx_priv *priv; - hw = wlcore_alloc_hw(0); + hw = wlcore_alloc_hw(sizeof(*priv)); if (IS_ERR(hw)) { wl1271_error("can't allocate hw"); return PTR_ERR(hw); From cb7b5d86c8283482bbf26398e83d2cbc5e36e193 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:15 +0300 Subject: [PATCH 056/241] wl18xx: set the number of Tx descriptors Initialize the number of Tx-descriptors for the 18xx family. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index b298e0121377..68f5e09be508 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -325,6 +325,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->ops = &wl18xx_ops; wl->ptable = wl18xx_ptable; wl->rtable = wl18xx_rtable; + wl->num_tx_desc = 32; return wlcore_probe(wl, pdev); } From 1349c4212aacde0d26b20e9ff2ba7501d6e33d3c Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:16 +0300 Subject: [PATCH 057/241] wl18xx: set normal/GEM Tx spare block counts Initialize the Tx spare block counts for all operating modes in the 18xx card. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 68f5e09be508..70683adc9cf3 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -32,6 +32,9 @@ #include "conf.h" #include "wl18xx.h" +#define WL18XX_TX_HW_BLOCK_SPARE 1 +#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 + static struct wl18xx_conf wl18xx_default_conf = { .phy = { .phy_standalone = 0x00, @@ -326,6 +329,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->ptable = wl18xx_ptable; wl->rtable = wl18xx_rtable; wl->num_tx_desc = 32; + wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE; + wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE; return wlcore_probe(wl, pdev); } From 624845b31cae0bf6671c3d0cbbec8214cf7d8584 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:17 +0300 Subject: [PATCH 058/241] wl18xx: implement hw op for calculating hw block count per packet Implement the calc_tx_blocks op for the 18xx family. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 70683adc9cf3..055b194827b3 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -34,6 +34,7 @@ #define WL18XX_TX_HW_BLOCK_SPARE 1 #define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 +#define WL18XX_TX_HW_BLOCK_SIZE 268 static struct wl18xx_conf wl18xx_default_conf = { .phy = { @@ -305,11 +306,18 @@ static void wl18xx_ack_event(struct wl1271 *wl) wlcore_write_reg(wl, REG_INTERRUPT_TRIG, WL18XX_INTR_TRIG_EVENT_ACK); } +static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) +{ + u32 blk_size = WL18XX_TX_HW_BLOCK_SIZE; + return (len + blk_size - 1) / blk_size + spare_blks; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, .trigger_cmd = wl18xx_trigger_cmd, .ack_event = wl18xx_ack_event, + .calc_tx_blocks = wl18xx_calc_tx_blocks, }; int __devinit wl18xx_probe(struct platform_device *pdev) From fb0f2e4ac0635549ce035c461d5050643ea5684c Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:18 +0300 Subject: [PATCH 059/241] wl18xx: implement hw op for setting blocks in hw_tx_desc Add the 18xx variant to the HW Tx descriptor union and set the 18xx specific values during Tx. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 10 ++++++++++ drivers/net/wireless/ti/wlcore/tx.h | 14 ++++++++++++++ 2 files changed, 24 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 055b194827b3..c85492ead0f9 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -26,6 +26,7 @@ #include "../wlcore/debug.h" #include "../wlcore/io.h" #include "../wlcore/acx.h" +#include "../wlcore/tx.h" #include "../wlcore/boot.h" #include "reg.h" @@ -312,12 +313,21 @@ static u32 wl18xx_calc_tx_blocks(struct wl1271 *wl, u32 len, u32 spare_blks) return (len + blk_size - 1) / blk_size + spare_blks; } +static void +wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, + u32 blks, u32 spare_blks) +{ + desc->wl18xx_mem.total_mem_blocks = blks; + desc->wl18xx_mem.reserved = 0; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, .trigger_cmd = wl18xx_trigger_cmd, .ack_event = wl18xx_ack_event, .calc_tx_blocks = wl18xx_calc_tx_blocks, + .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 2fd6e5dc6f75..e440c313537d 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -85,6 +85,19 @@ struct wl128x_tx_mem { u8 extra_bytes; } __packed; +struct wl18xx_tx_mem { + /* + * Total number of memory blocks allocated by the host for + * this packet. + */ + u8 total_mem_blocks; + + /* + * always zero + */ + u8 reserved; +} __packed; + /* * On wl128x based devices, when TX packets are aggregated, each packet * size must be aligned to the SDIO block size. The maximum block size @@ -100,6 +113,7 @@ struct wl1271_tx_hw_descr { union { struct wl127x_tx_mem wl127x_mem; struct wl128x_tx_mem wl128x_mem; + struct wl18xx_tx_mem wl18xx_mem; } __packed; /* Device time (in us) when the packet arrived to the driver */ __le32 start_time; From d2361c5140694c39add831693abcf82ad87fe31e Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:19 +0300 Subject: [PATCH 060/241] wl18xx: implement hw op for setting frame length in tx_hw_desc Set the frame length during Tx in a way compatible with the 18xx FW. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c85492ead0f9..0a5422c88183 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -321,6 +321,19 @@ wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, desc->wl18xx_mem.reserved = 0; } +static void +wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb) +{ + desc->length = cpu_to_le16(skb->len); + + wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d " + "len: %d life: %d mem: %d", desc->hlid, + le16_to_cpu(desc->length), + le16_to_cpu(desc->life_time), + desc->wl18xx_mem.total_mem_blocks); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -328,6 +341,7 @@ static struct wlcore_ops wl18xx_ops = { .ack_event = wl18xx_ack_event, .calc_tx_blocks = wl18xx_calc_tx_blocks, .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks, + .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len, }; int __devinit wl18xx_probe(struct platform_device *pdev) From f648eab75815086328ea92f31b10df16cf090075 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:20 +0300 Subject: [PATCH 061/241] wl18xx: define HW-rate translation elements/tables Define HW-rate conversion tables for the 18xx chip. Initialize the appropriate wlcore elements with these tables and values to allow conversion of HW-rates. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 115 ++++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/conf.h | 10 ++- 2 files changed, 124 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 0a5422c88183..7dcb8327b17f 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -37,6 +37,118 @@ #define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 #define WL18XX_TX_HW_BLOCK_SIZE 268 +static const u8 wl18xx_rate_to_idx_2ghz[] = { + /* MCS rates are used only with 11n */ + 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ + 14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */ + 13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */ + 12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */ + 11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */ + 10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */ + 9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */ + 8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */ + 7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */ + 6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */ + 5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */ + 4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */ + 3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */ + 2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */ + 1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */ + 0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */ + + 11, /* WL18XX_CONF_HW_RXTX_RATE_54 */ + 10, /* WL18XX_CONF_HW_RXTX_RATE_48 */ + 9, /* WL18XX_CONF_HW_RXTX_RATE_36 */ + 8, /* WL18XX_CONF_HW_RXTX_RATE_24 */ + + /* TI-specific rate */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */ + + 7, /* WL18XX_CONF_HW_RXTX_RATE_18 */ + 6, /* WL18XX_CONF_HW_RXTX_RATE_12 */ + 3, /* WL18XX_CONF_HW_RXTX_RATE_11 */ + 5, /* WL18XX_CONF_HW_RXTX_RATE_9 */ + 4, /* WL18XX_CONF_HW_RXTX_RATE_6 */ + 2, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */ + 1, /* WL18XX_CONF_HW_RXTX_RATE_2 */ + 0 /* WL18XX_CONF_HW_RXTX_RATE_1 */ +}; + +static const u8 wl18xx_rate_to_idx_5ghz[] = { + /* MCS rates are used only with 11n */ + 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ + 14, /* WL18XX_CONF_HW_RXTX_RATE_MCS14 */ + 13, /* WL18XX_CONF_HW_RXTX_RATE_MCS13 */ + 12, /* WL18XX_CONF_HW_RXTX_RATE_MCS12 */ + 11, /* WL18XX_CONF_HW_RXTX_RATE_MCS11 */ + 10, /* WL18XX_CONF_HW_RXTX_RATE_MCS10 */ + 9, /* WL18XX_CONF_HW_RXTX_RATE_MCS9 */ + 8, /* WL18XX_CONF_HW_RXTX_RATE_MCS8 */ + 7, /* WL18XX_CONF_HW_RXTX_RATE_MCS7 */ + 6, /* WL18XX_CONF_HW_RXTX_RATE_MCS6 */ + 5, /* WL18XX_CONF_HW_RXTX_RATE_MCS5 */ + 4, /* WL18XX_CONF_HW_RXTX_RATE_MCS4 */ + 3, /* WL18XX_CONF_HW_RXTX_RATE_MCS3 */ + 2, /* WL18XX_CONF_HW_RXTX_RATE_MCS2 */ + 1, /* WL18XX_CONF_HW_RXTX_RATE_MCS1 */ + 0, /* WL18XX_CONF_HW_RXTX_RATE_MCS0 */ + + 7, /* WL18XX_CONF_HW_RXTX_RATE_54 */ + 6, /* WL18XX_CONF_HW_RXTX_RATE_48 */ + 5, /* WL18XX_CONF_HW_RXTX_RATE_36 */ + 4, /* WL18XX_CONF_HW_RXTX_RATE_24 */ + + /* TI-specific rate */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_22 */ + + 3, /* WL18XX_CONF_HW_RXTX_RATE_18 */ + 2, /* WL18XX_CONF_HW_RXTX_RATE_12 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_11 */ + 1, /* WL18XX_CONF_HW_RXTX_RATE_9 */ + 0, /* WL18XX_CONF_HW_RXTX_RATE_6 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_5_5 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_2 */ + CONF_HW_RXTX_RATE_UNSUPPORTED, /* WL18XX_CONF_HW_RXTX_RATE_1 */ +}; + +static const u8 *wl18xx_band_rate_to_idx[] = { + [IEEE80211_BAND_2GHZ] = wl18xx_rate_to_idx_2ghz, + [IEEE80211_BAND_5GHZ] = wl18xx_rate_to_idx_5ghz +}; + +enum wl18xx_hw_rates { + WL18XX_CONF_HW_RXTX_RATE_MCS15 = 0, + WL18XX_CONF_HW_RXTX_RATE_MCS14, + WL18XX_CONF_HW_RXTX_RATE_MCS13, + WL18XX_CONF_HW_RXTX_RATE_MCS12, + WL18XX_CONF_HW_RXTX_RATE_MCS11, + WL18XX_CONF_HW_RXTX_RATE_MCS10, + WL18XX_CONF_HW_RXTX_RATE_MCS9, + WL18XX_CONF_HW_RXTX_RATE_MCS8, + WL18XX_CONF_HW_RXTX_RATE_MCS7, + WL18XX_CONF_HW_RXTX_RATE_MCS6, + WL18XX_CONF_HW_RXTX_RATE_MCS5, + WL18XX_CONF_HW_RXTX_RATE_MCS4, + WL18XX_CONF_HW_RXTX_RATE_MCS3, + WL18XX_CONF_HW_RXTX_RATE_MCS2, + WL18XX_CONF_HW_RXTX_RATE_MCS1, + WL18XX_CONF_HW_RXTX_RATE_MCS0, + WL18XX_CONF_HW_RXTX_RATE_54, + WL18XX_CONF_HW_RXTX_RATE_48, + WL18XX_CONF_HW_RXTX_RATE_36, + WL18XX_CONF_HW_RXTX_RATE_24, + WL18XX_CONF_HW_RXTX_RATE_22, + WL18XX_CONF_HW_RXTX_RATE_18, + WL18XX_CONF_HW_RXTX_RATE_12, + WL18XX_CONF_HW_RXTX_RATE_11, + WL18XX_CONF_HW_RXTX_RATE_9, + WL18XX_CONF_HW_RXTX_RATE_6, + WL18XX_CONF_HW_RXTX_RATE_5_5, + WL18XX_CONF_HW_RXTX_RATE_2, + WL18XX_CONF_HW_RXTX_RATE_1, + WL18XX_CONF_HW_RXTX_RATE_MAX, +}; + static struct wl18xx_conf wl18xx_default_conf = { .phy = { .phy_standalone = 0x00, @@ -363,6 +475,9 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->num_tx_desc = 32; wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE; wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE; + wl->band_rate_to_idx = wl18xx_band_rate_to_idx; + wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; + wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; return wlcore_probe(wl, pdev); } diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index fef0db4213bc..0798c1e88814 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -45,7 +45,15 @@ enum { CONF_HW_BIT_RATE_MCS_4 = BIT(17), CONF_HW_BIT_RATE_MCS_5 = BIT(18), CONF_HW_BIT_RATE_MCS_6 = BIT(19), - CONF_HW_BIT_RATE_MCS_7 = BIT(20) + CONF_HW_BIT_RATE_MCS_7 = BIT(20), + CONF_HW_BIT_RATE_MCS_8 = BIT(21), + CONF_HW_BIT_RATE_MCS_9 = BIT(22), + CONF_HW_BIT_RATE_MCS_10 = BIT(23), + CONF_HW_BIT_RATE_MCS_11 = BIT(24), + CONF_HW_BIT_RATE_MCS_12 = BIT(25), + CONF_HW_BIT_RATE_MCS_13 = BIT(26), + CONF_HW_BIT_RATE_MCS_14 = BIT(27), + CONF_HW_BIT_RATE_MCS_15 = BIT(28), }; enum { From 1fab39dc4a5fbd241787eb964d911d0aecbbcb84 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:21 +0300 Subject: [PATCH 062/241] wl18xx: add fw_status private data The wl18xx chip passes extra information in the firmware status to the driver. Add a private data section to handle that. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 2 +- drivers/net/wireless/ti/wl18xx/wl18xx.h | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 7dcb8327b17f..4a5ef6e53954 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -478,7 +478,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->band_rate_to_idx = wl18xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; - + wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); return wlcore_probe(wl, pdev); } diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 58709bb88b7b..68ef5ba2f607 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -30,4 +30,22 @@ struct wl18xx_priv { u8 cmd_buf[WL18XX_CMD_MAX_SIZE]; }; +#define WL18XX_FW_MAX_TX_STATUS_DESC 33 + +struct wl18xx_fw_status_priv { + /* + * Index in released_tx_desc for first byte that holds + * released tx host desc + */ + u8 fw_release_idx; + + /* + * Array of host Tx descriptors, where fw_release_idx + * indicated the first released idx. + */ + u8 released_tx_desc[WL18XX_FW_MAX_TX_STATUS_DESC]; + + u8 padding[2]; +}; + #endif /* __WL18XX_PRIV_H__ */ From 7cfefd1f2acbd5ff2a1a8846de058064bd63550a Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:22 +0300 Subject: [PATCH 063/241] wl18xx: set Rx block-size alignment quirk The 18xx FW sends Rx blocks with aligned length. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 4a5ef6e53954..a074d811fef0 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -243,7 +243,8 @@ static int wl18xx_identify_chip(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)", wl->chip.id); wl->sr_fw_name = WL18XX_FW_NAME; - wl->quirks |= WLCORE_QUIRK_NO_ELP; + wl->quirks |= WLCORE_QUIRK_NO_ELP | + WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; /* TODO: need to blocksize alignment for RX/TX separately? */ break; From 9c809f888370d87129d17028d515bb025fe94175 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:23 +0300 Subject: [PATCH 064/241] wl18xx: implement hw op for getting rx buffer data alignment Implement the HW op for getting alignment state in wl18xx. The FW aligns the Rx Ethernet payload data. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 13 +++++++++++++ drivers/net/wireless/ti/wlcore/rx.h | 3 +++ 2 files changed, 16 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index a074d811fef0..fef872608e00 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -27,6 +27,8 @@ #include "../wlcore/io.h" #include "../wlcore/acx.h" #include "../wlcore/tx.h" +#include "../wlcore/rx.h" +#include "../wlcore/io.h" #include "../wlcore/boot.h" #include "reg.h" @@ -447,6 +449,16 @@ wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, desc->wl18xx_mem.total_mem_blocks); } +static enum wl_rx_buf_align +wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) +{ + if (rx_desc & RX_BUF_PADDED_PAYLOAD) + return WLCORE_RX_BUF_PADDED; + + return WLCORE_RX_BUF_ALIGNED; +} + + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -455,6 +467,7 @@ static struct wlcore_ops wl18xx_ops = { .calc_tx_blocks = wl18xx_calc_tx_blocks, .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks, .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len, + .get_rx_buf_align = wl18xx_get_rx_buf_align, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h index e9a162a864ca..277936e14137 100644 --- a/drivers/net/wireless/ti/wlcore/rx.h +++ b/drivers/net/wireless/ti/wlcore/rx.h @@ -102,6 +102,9 @@ /* If set, the start of IP payload is not 4 bytes aligned */ #define RX_BUF_UNALIGNED_PAYLOAD BIT(20) +/* If set, the buffer was padded by the FW to be 4 bytes aligned */ +#define RX_BUF_PADDED_PAYLOAD BIT(30) + /* Describes the alignment state of a Rx buffer */ enum wl_rx_buf_align { WLCORE_RX_BUF_ALIGNED, From 30e2dd798dbd5929f981ec0c77ab8567e8859ad9 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:24 +0300 Subject: [PATCH 065/241] wl18xx: implement hw op for getting rx packet data length Implement the 18xx-specific way for getting the length of a Rx packet. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index fef872608e00..40ed53c02866 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -458,6 +458,17 @@ wl18xx_get_rx_buf_align(struct wl1271 *wl, u32 rx_desc) return WLCORE_RX_BUF_ALIGNED; } +static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, + u32 data_len) +{ + struct wl1271_rx_descriptor *desc = rx_data; + + /* invalid packet */ + if (data_len < sizeof(*desc)) + return 0; + + return data_len - sizeof(*desc); +} static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, @@ -468,6 +479,7 @@ static struct wlcore_ops wl18xx_ops = { .set_tx_desc_blocks = wl18xx_set_tx_desc_blocks, .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len, .get_rx_buf_align = wl18xx_get_rx_buf_align, + .get_rx_packet_len = wl18xx_get_rx_packet_len, }; int __devinit wl18xx_probe(struct platform_device *pdev) From 872b345fbaef290f890d0bbd34b78ab50269980f Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:25 +0300 Subject: [PATCH 066/241] wl18xx: implement immediate Tx completion Implement immediate Tx completion for the 18xx family. Move 18xx specific Tx code to new tx.c/h files and create helper header files for definitions. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/Makefile | 2 +- drivers/net/wireless/ti/wl18xx/main.c | 11 ++- drivers/net/wireless/ti/wl18xx/tx.c | 126 ++++++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/tx.h | 36 +++++++ drivers/net/wireless/ti/wl18xx/wl18xx.h | 3 + drivers/net/wireless/ti/wlcore/tx.c | 4 +- drivers/net/wireless/ti/wlcore/tx.h | 1 + 7 files changed, 178 insertions(+), 5 deletions(-) create mode 100644 drivers/net/wireless/ti/wl18xx/tx.c create mode 100644 drivers/net/wireless/ti/wl18xx/tx.h diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile index d187037bef70..dd3b4c13fa3c 100644 --- a/drivers/net/wireless/ti/wl18xx/Makefile +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -1,3 +1,3 @@ -wl18xx-objs = main.o +wl18xx-objs = main.o tx.o obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 40ed53c02866..ae71131a4bba 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -33,11 +33,9 @@ #include "reg.h" #include "conf.h" +#include "tx.h" #include "wl18xx.h" -#define WL18XX_TX_HW_BLOCK_SPARE 1 -#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 -#define WL18XX_TX_HW_BLOCK_SIZE 268 static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -470,6 +468,11 @@ static u32 wl18xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, return data_len - sizeof(*desc); } +static void wl18xx_tx_immediate_completion(struct wl1271 *wl) +{ + wl18xx_tx_immediate_complete(wl); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -480,6 +483,8 @@ static struct wlcore_ops wl18xx_ops = { .set_tx_desc_data_len = wl18xx_set_tx_desc_data_len, .get_rx_buf_align = wl18xx_get_rx_buf_align, .get_rx_packet_len = wl18xx_get_rx_packet_len, + .tx_immediate_compl = wl18xx_tx_immediate_completion, + .tx_delayed_compl = NULL, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wl18xx/tx.c b/drivers/net/wireless/ti/wl18xx/tx.c new file mode 100644 index 000000000000..4e12f56b394f --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/tx.c @@ -0,0 +1,126 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/wlcore.h" +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/acx.h" +#include "../wlcore/tx.h" + +#include "wl18xx.h" +#include "tx.h" + +static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) +{ + struct ieee80211_tx_info *info; + struct sk_buff *skb; + int id = tx_stat_byte & WL18XX_TX_STATUS_DESC_ID_MASK; + bool tx_success; + + /* check for id legality */ + if (unlikely(id >= wl->num_tx_desc || wl->tx_frames[id] == NULL)) { + wl1271_warning("illegal id in tx completion: %d", id); + return; + } + + /* a zero bit indicates Tx success */ + tx_success = !(tx_stat_byte & BIT(WL18XX_TX_STATUS_STAT_BIT_IDX)); + + + skb = wl->tx_frames[id]; + info = IEEE80211_SKB_CB(skb); + + if (wl12xx_is_dummy_packet(wl, skb)) { + wl1271_free_tx_id(wl, id); + return; + } + + /* update the TX status info */ + if (tx_success && !(info->flags & IEEE80211_TX_CTL_NO_ACK)) + info->flags |= IEEE80211_TX_STAT_ACK; + + /* no real data about Tx completion */ + info->status.rates[0].idx = -1; + info->status.rates[0].count = 0; + info->status.rates[0].flags = 0; + info->status.ack_signal = -1; + + if (!tx_success) + wl->stats.retry_count++; + + /* + * TODO: update sequence number for encryption? seems to be + * unsupported for now. needed for recovery with encryption. + */ + + /* remove private header from packet */ + skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); + + /* remove TKIP header space if present */ + if (info->control.hw_key && + info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { + int hdrlen = ieee80211_get_hdrlen_from_skb(skb); + memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, hdrlen); + skb_pull(skb, WL1271_EXTRA_SPACE_TKIP); + } + + wl1271_debug(DEBUG_TX, "tx status id %u skb 0x%p success %d", + id, skb, tx_success); + + /* return the packet to the stack */ + skb_queue_tail(&wl->deferred_tx_queue, skb); + queue_work(wl->freezable_wq, &wl->netstack_work); + wl1271_free_tx_id(wl, id); +} + +void wl18xx_tx_immediate_complete(struct wl1271 *wl) +{ + struct wl18xx_fw_status_priv *status_priv = + (struct wl18xx_fw_status_priv *)wl->fw_status->priv; + struct wl18xx_priv *priv = wl->priv; + u8 i; + + /* nothing to do here */ + if (priv->last_fw_rls_idx == status_priv->fw_release_idx) + return; + + /* freed Tx descriptors */ + wl1271_debug(DEBUG_TX, "last released desc = %d, current idx = %d", + priv->last_fw_rls_idx, status_priv->fw_release_idx); + + if (status_priv->fw_release_idx >= WL18XX_FW_MAX_TX_STATUS_DESC) { + wl1271_error("invalid desc release index %d", + status_priv->fw_release_idx); + WARN_ON(1); + return; + } + + for (i = priv->last_fw_rls_idx; + i != status_priv->fw_release_idx; + i = (i + 1) % WL18XX_FW_MAX_TX_STATUS_DESC) { + wl18xx_tx_complete_packet(wl, + status_priv->released_tx_desc[i]); + + wl->tx_results_count++; + } + + priv->last_fw_rls_idx = status_priv->fw_release_idx; +} diff --git a/drivers/net/wireless/ti/wl18xx/tx.h b/drivers/net/wireless/ti/wl18xx/tx.h new file mode 100644 index 000000000000..a91eb10a42f2 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/tx.h @@ -0,0 +1,36 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_TX_H__ +#define __WL18XX_TX_H__ + +#include "../wlcore/wlcore.h" + +#define WL18XX_TX_HW_BLOCK_SPARE 1 +#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 +#define WL18XX_TX_HW_BLOCK_SIZE 268 + +#define WL18XX_TX_STATUS_DESC_ID_MASK 0x7F +#define WL18XX_TX_STATUS_STAT_BIT_IDX 7 + +void wl18xx_tx_immediate_complete(struct wl1271 *wl); + +#endif /* __WL12XX_TX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 68ef5ba2f607..d24f9c0fd277 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -28,6 +28,9 @@ struct wl18xx_priv { /* buffer for sending commands to FW */ u8 cmd_buf[WL18XX_CMD_MAX_SIZE]; + + /* Index of last released Tx desc in FW */ + u8 last_fw_rls_idx; }; #define WL18XX_FW_MAX_TX_STATUS_DESC 33 diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 6893bc207994..b4e02ef22fc5 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -72,7 +72,7 @@ static int wl1271_alloc_tx_id(struct wl1271 *wl, struct sk_buff *skb) return id; } -static void wl1271_free_tx_id(struct wl1271 *wl, int id) +void wl1271_free_tx_id(struct wl1271 *wl, int id) { if (__test_and_clear_bit(id, wl->tx_frames_map)) { if (unlikely(wl->tx_frames_cnt == wl->num_tx_desc)) @@ -82,6 +82,7 @@ static void wl1271_free_tx_id(struct wl1271 *wl, int id) wl->tx_frames_cnt--; } } +EXPORT_SYMBOL(wl1271_free_tx_id); static void wl1271_tx_ap_update_inconnection_sta(struct wl1271 *wl, struct sk_buff *skb) @@ -127,6 +128,7 @@ bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb) { return wl->dummy_packet == skb; } +EXPORT_SYMBOL(wl12xx_is_dummy_packet); u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb) diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index e440c313537d..220727421fa2 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -237,6 +237,7 @@ bool wl12xx_is_dummy_packet(struct wl1271 *wl, struct sk_buff *skb); void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids); unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length); +void wl1271_free_tx_id(struct wl1271 *wl, int id); /* from main.c */ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); From b8422dcb865befc5d2d7c21e8427eedf32558fea Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:26 +0300 Subject: [PATCH 067/241] wl18xx: add hw_init operation Add wl18xx-specific HW initialization operation and create acx.[ch] files to support that. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/Makefile | 2 +- drivers/net/wireless/ti/wl18xx/acx.c | 57 +++++++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/acx.h | 52 ++++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/main.c | 32 ++++++++++++++ drivers/net/wireless/ti/wlcore/acx.h | 2 + 5 files changed, 144 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/ti/wl18xx/acx.c create mode 100644 drivers/net/wireless/ti/wl18xx/acx.h diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile index dd3b4c13fa3c..764d598bc968 100644 --- a/drivers/net/wireless/ti/wl18xx/Makefile +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -1,3 +1,3 @@ -wl18xx-objs = main.o tx.o +wl18xx-objs = main.o acx.o tx.o obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c new file mode 100644 index 000000000000..aed8d0dff91b --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -0,0 +1,57 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/cmd.h" +#include "../wlcore/debug.h" +#include "../wlcore/acx.h" + +#include "acx.h" + +int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, + u32 sdio_blk_size, u32 extra_mem_blks, + u32 len_field_size) +{ + struct wl18xx_acx_host_config_bitmap *bitmap_conf; + int ret; + + bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL); + if (!bitmap_conf) { + ret = -ENOMEM; + goto out; + } + + bitmap_conf->host_cfg_bitmap = cpu_to_le32(host_cfg_bitmap); + bitmap_conf->host_sdio_block_size = cpu_to_le32(sdio_blk_size); + bitmap_conf->extra_mem_blocks = cpu_to_le32(extra_mem_blks); + bitmap_conf->length_field_size = cpu_to_le32(len_field_size); + + ret = wl1271_cmd_configure(wl, ACX_HOST_IF_CFG_BITMAP, + bitmap_conf, sizeof(*bitmap_conf)); + if (ret < 0) { + wl1271_warning("wl1271 bitmap config opt failed: %d", ret); + goto out; + } + +out: + kfree(bitmap_conf); + + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h new file mode 100644 index 000000000000..c8eebd8500c1 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -0,0 +1,52 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_ACX_H__ +#define __WL18XX_ACX_H__ + +#include "../wlcore/wlcore.h" + +/* numbers of bits the length field takes (add 1 for the actual number) */ +#define WL18XX_HOST_IF_LEN_SIZE_FIELD 15 + +struct wl18xx_acx_host_config_bitmap { + struct acx_header header; + + __le32 host_cfg_bitmap; + + __le32 host_sdio_block_size; + + /* extra mem blocks per frame in TX. */ + __le32 extra_mem_blocks; + + /* + * number of bits of the length field in the first TX word + * (up to 15 - for using the entire 16 bits). + */ + __le32 length_field_size; + +} __packed; + +int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, + u32 sdio_blk_size, u32 extra_mem_blks, + u32 len_field_size); + +#endif /* __WL12XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index ae71131a4bba..1e0719c7ccb9 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -33,6 +33,7 @@ #include "reg.h" #include "conf.h" +#include "acx.h" #include "tx.h" #include "wl18xx.h" @@ -473,6 +474,36 @@ static void wl18xx_tx_immediate_completion(struct wl1271 *wl) wl18xx_tx_immediate_complete(wl); } +static int wl18xx_hw_init(struct wl1271 *wl) +{ + int ret; + u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE | + HOST_IF_CFG_ADD_RX_ALIGNMENT; + + u32 sdio_align_size = 0; + + /* Enable Tx SDIO padding */ + if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) { + host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; + sdio_align_size = WL12XX_BUS_BLOCK_SIZE; + } + + /* Enable Rx SDIO padding */ + if (wl->quirks & WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN) { + host_cfg_bitmap |= HOST_IF_CFG_RX_PAD_TO_SDIO_BLK; + sdio_align_size = WL12XX_BUS_BLOCK_SIZE; + } + + ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap, + sdio_align_size, + WL18XX_TX_HW_BLOCK_SPARE, + WL18XX_HOST_IF_LEN_SIZE_FIELD); + if (ret < 0) + return ret; + + return ret; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -485,6 +516,7 @@ static struct wlcore_ops wl18xx_ops = { .get_rx_packet_len = wl18xx_get_rx_packet_len, .tx_immediate_compl = wl18xx_tx_immediate_completion, .tx_delayed_compl = NULL, + .hw_init = wl18xx_hw_init, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index e6a74869a5ff..2d1302d23ac8 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -828,6 +828,8 @@ struct wl1271_acx_keep_alive_config { #define HOST_IF_CFG_RX_FIFO_ENABLE BIT(0) #define HOST_IF_CFG_TX_EXTRA_BLKS_SWAP BIT(1) #define HOST_IF_CFG_TX_PAD_TO_SDIO_BLK BIT(3) +#define HOST_IF_CFG_RX_PAD_TO_SDIO_BLK BIT(4) +#define HOST_IF_CFG_ADD_RX_ALIGNMENT BIT(6) enum { WL1271_ACX_TRIG_TYPE_LEVEL = 0, From 2fc28de5989e1c40fee4e92e2a8f3bdd47b1b34a Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:27 +0300 Subject: [PATCH 068/241] wlcore/wl18xx: add hw op for setting Tx HW checksum Some chip families are capable of checksumming certain classes of Tx packets in HW. Indicate this fact in the netdev features and perform the HW checksum by protocol type for the 18xx family. Fix the location of the skb network header when we move it so we can rely on it when setting the checksum. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 8 +++++++ drivers/net/wireless/ti/wl18xx/acx.c | 26 +++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/acx.h | 16 +++++++++++++ drivers/net/wireless/ti/wl18xx/main.c | 31 +++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/acx.h | 1 + drivers/net/wireless/ti/wlcore/hw_ops.h | 11 +++++++++ drivers/net/wireless/ti/wlcore/tx.c | 3 ++- drivers/net/wireless/ti/wlcore/tx.h | 11 ++++++++- drivers/net/wireless/ti/wlcore/wlcore.h | 3 +++ 9 files changed, 108 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index d7dd3def07b5..8141447e8f96 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1288,6 +1288,13 @@ static void wl12xx_get_mac(struct wl1271 *wl) wl12xx_get_fuse_mac(wl); } +static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb) +{ + desc->wl12xx_reserved = 0; +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, @@ -1306,6 +1313,7 @@ static struct wlcore_ops wl12xx_ops = { .sta_get_ap_rate_mask = wl12xx_sta_get_ap_rate_mask, .get_pg_ver = wl12xx_get_pg_ver, .get_mac = wl12xx_get_mac, + .set_tx_desc_csum = wl12xx_set_tx_desc_csum, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c index aed8d0dff91b..3379db23a165 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.c +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -55,3 +55,29 @@ int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, return ret; } + +int wl18xx_acx_set_checksum_state(struct wl1271 *wl) +{ + struct wl18xx_acx_checksum_state *acx; + int ret; + + wl1271_debug(DEBUG_ACX, "acx checksum state"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + acx->checksum_state = CHECKSUM_OFFLOAD_ENABLED; + + ret = wl1271_cmd_configure(wl, ACX_CHECKSUM_CONFIG, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to set Tx checksum state: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index c8eebd8500c1..544db6ef3841 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -45,8 +45,24 @@ struct wl18xx_acx_host_config_bitmap { } __packed; +enum { + CHECKSUM_OFFLOAD_DISABLED = 0, + CHECKSUM_OFFLOAD_ENABLED = 1, + CHECKSUM_OFFLOAD_FAKE_RX = 2, + CHECKSUM_OFFLOAD_INVALID = 0xFF +}; + +struct wl18xx_acx_checksum_state { + struct acx_header header; + + /* enum acx_checksum_state */ + u8 checksum_state; + u8 pad[3]; +} __packed; + int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, u32 sdio_blk_size, u32 extra_mem_blks, u32 len_field_size); +int wl18xx_acx_set_checksum_state(struct wl1271 *wl); #endif /* __WL12XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 1e0719c7ccb9..c47f52c81a72 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -21,6 +21,7 @@ #include #include +#include #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" @@ -501,9 +502,38 @@ static int wl18xx_hw_init(struct wl1271 *wl) if (ret < 0) return ret; + ret = wl18xx_acx_set_checksum_state(wl); + if (ret != 0) + return ret; + return ret; } +static void wl18xx_set_tx_desc_csum(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb) +{ + u32 ip_hdr_offset; + struct iphdr *ip_hdr; + + if (skb->ip_summed != CHECKSUM_PARTIAL) { + desc->wl18xx_checksum_data = 0; + return; + } + + ip_hdr_offset = skb_network_header(skb) - skb_mac_header(skb); + if (WARN_ON(ip_hdr_offset >= (1<<7))) { + desc->wl18xx_checksum_data = 0; + return; + } + + desc->wl18xx_checksum_data = ip_hdr_offset << 1; + + /* FW is interested only in the LSB of the protocol TCP=0 UDP=1 */ + ip_hdr = (void *)skb_network_header(skb); + desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -517,6 +547,7 @@ static struct wlcore_ops wl18xx_ops = { .tx_immediate_compl = wl18xx_tx_immediate_completion, .tx_delayed_compl = NULL, .hw_init = wl18xx_hw_init, + .set_tx_desc_csum = wl18xx_set_tx_desc_csum, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index 2d1302d23ac8..ff0c5ba8e8ff 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -1245,6 +1245,7 @@ enum { ACX_CONFIG_HANGOVER = 0x0042, ACX_FEATURE_CFG = 0x0043, ACX_PROTECTION_CFG = 0x0044, + ACX_CHECKSUM_CONFIG = 0x0045, }; diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 9384b4d56c24..4573249ea89f 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -119,4 +119,15 @@ static inline int wlcore_identify_fw(struct wl1271 *wl) return 0; } +static inline void +wlcore_hw_set_tx_desc_csum(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb) +{ + if (!wl->ops->set_tx_desc_csum) + BUG_ON(1); + + wl->ops->set_tx_desc_csum(wl, desc, skb); +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index b4e02ef22fc5..44e4e7bb29bd 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -270,6 +270,7 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, if (extra) { int hdrlen = ieee80211_hdrlen(frame_control); memmove(frame_start, hdr, hdrlen); + skb_set_network_header(skb, skb_network_offset(skb) + extra); } /* configure packet life time */ @@ -332,9 +333,9 @@ static void wl1271_tx_fill_hdr(struct wl1271 *wl, struct wl12xx_vif *wlvif, ieee80211_has_protected(frame_control)) tx_attr |= TX_HW_ATTR_HOST_ENCRYPT; - desc->reserved = 0; desc->tx_attr = cpu_to_le16(tx_attr); + wlcore_hw_set_tx_desc_csum(wl, desc, skb); wlcore_hw_set_tx_desc_data_len(wl, desc, skb); } diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 220727421fa2..e24c436bf65f 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -130,7 +130,16 @@ struct wl1271_tx_hw_descr { u8 tid; /* host link ID (HLID) */ u8 hlid; - u8 reserved; + + union { + u8 wl12xx_reserved; + + /* + * bit 0 -> 0 = udp, 1 = tcp + * bit 1:7 -> IP header offset + */ + u8 wl18xx_checksum_data; + } __packed; } __packed; enum wl1271_tx_hw_res_status { diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 0b3f0b586f4b..c062d304ab0d 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -61,6 +61,9 @@ struct wlcore_ops { struct wl12xx_vif *wlvif); s8 (*get_pg_ver)(struct wl1271 *wl); void (*get_mac)(struct wl1271 *wl); + void (*set_tx_desc_csum)(struct wl1271 *wl, + struct wl1271_tx_hw_descr *desc, + struct sk_buff *skb); }; enum wlcore_partitions { From 169da04f523bafee46993b1efbddb913641aad56 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:28 +0300 Subject: [PATCH 069/241] wlcore/wl18xx: add hw op for Rx HW checksum Some chip families can checksum certain classes of Rx packets in FW. Implement the Rx-checksum feature as a HW-op. For the 18xx chip-family, set Rx-checsum according to indication from FW. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 1 + drivers/net/wireless/ti/wl18xx/main.c | 11 +++++++++++ drivers/net/wireless/ti/wlcore/hw_ops.h | 9 +++++++++ drivers/net/wireless/ti/wlcore/rx.c | 1 + drivers/net/wireless/ti/wlcore/wlcore.h | 4 ++++ 5 files changed, 26 insertions(+) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 8141447e8f96..a3336534eb2a 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1314,6 +1314,7 @@ static struct wlcore_ops wl12xx_ops = { .get_pg_ver = wl12xx_get_pg_ver, .get_mac = wl12xx_get_mac, .set_tx_desc_csum = wl12xx_set_tx_desc_csum, + .set_rx_csum = NULL, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c47f52c81a72..90fccb775727 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -39,6 +39,8 @@ #include "wl18xx.h" +#define WL18XX_RX_CHECKSUM_MASK 0x40 + static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ @@ -534,6 +536,14 @@ static void wl18xx_set_tx_desc_csum(struct wl1271 *wl, desc->wl18xx_checksum_data |= (ip_hdr->protocol & 0x01); } +static void wl18xx_set_rx_csum(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct sk_buff *skb) +{ + if (desc->status & WL18XX_RX_CHECKSUM_MASK) + skb->ip_summed = CHECKSUM_UNNECESSARY; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -548,6 +558,7 @@ static struct wlcore_ops wl18xx_ops = { .tx_delayed_compl = NULL, .hw_init = wl18xx_hw_init, .set_tx_desc_csum = wl18xx_set_tx_desc_csum, + .set_rx_csum = wl18xx_set_rx_csum, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 4573249ea89f..80f3d75ceddf 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -130,4 +130,13 @@ wlcore_hw_set_tx_desc_csum(struct wl1271 *wl, wl->ops->set_tx_desc_csum(wl, desc, skb); } +static inline void +wlcore_hw_set_rx_csum(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct sk_buff *skb) +{ + if (wl->ops->set_rx_csum) + wl->ops->set_rx_csum(wl, desc, skb); +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index d6a3c6b07827..2672b1d16cef 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -186,6 +186,7 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, is_data = 1; wl1271_rx_status(wl, desc, IEEE80211_SKB_RXCB(skb), beacon); + wlcore_hw_set_rx_csum(wl, desc, skb); seq_num = (le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_SEQ) >> 4; wl1271_debug(DEBUG_RX, "rx skb 0x%p: %d B %s seq %d hlid %d", skb, diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index c062d304ab0d..2922d8aec699 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -33,6 +33,7 @@ /* forward declaration */ struct wl1271_tx_hw_descr; enum wl_rx_buf_align; +struct wl1271_rx_descriptor; struct wlcore_ops { int (*identify_chip)(struct wl1271 *wl); @@ -64,6 +65,9 @@ struct wlcore_ops { void (*set_tx_desc_csum)(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, struct sk_buff *skb); + void (*set_rx_csum)(struct wl1271 *wl, + struct wl1271_rx_descriptor *desc, + struct sk_buff *skb); }; enum wlcore_partitions { From 23ee9bf8c3cb57768bba31a8cc62b87d39ca4e56 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:29 +0300 Subject: [PATCH 070/241] wl18xx: add runtime configuration parameters Now wlcore requires the lower drivers to set the correct configuration. Move the existing private configuration to the proper place and add all generic configuration parameters. The important changes are in Tx interrupt pacing and Rx BA window size. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/conf.h | 4 +- drivers/net/wireless/ti/wl18xx/main.c | 381 ++++++++++++++++++++++-- drivers/net/wireless/ti/wl18xx/wl18xx.h | 3 + 3 files changed, 360 insertions(+), 28 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index 7cd7bf16879e..d2b097e4d24e 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -48,9 +48,7 @@ struct wl18xx_conf_phy { u8 secondary_clock_setting_time; }; -struct wl18xx_conf { - /* TODO: move the wlcore conf here? */ - +struct wl18xx_priv_conf { struct wl18xx_conf_phy phy; }; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 90fccb775727..fd7a803ff98c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -153,7 +153,324 @@ enum wl18xx_hw_rates { WL18XX_CONF_HW_RXTX_RATE_MAX, }; -static struct wl18xx_conf wl18xx_default_conf = { +static struct wlcore_conf wl18xx_conf = { + .sg = { + .params = { + [CONF_SG_ACL_BT_MASTER_MIN_BR] = 10, + [CONF_SG_ACL_BT_MASTER_MAX_BR] = 180, + [CONF_SG_ACL_BT_SLAVE_MIN_BR] = 10, + [CONF_SG_ACL_BT_SLAVE_MAX_BR] = 180, + [CONF_SG_ACL_BT_MASTER_MIN_EDR] = 10, + [CONF_SG_ACL_BT_MASTER_MAX_EDR] = 80, + [CONF_SG_ACL_BT_SLAVE_MIN_EDR] = 10, + [CONF_SG_ACL_BT_SLAVE_MAX_EDR] = 80, + [CONF_SG_ACL_WLAN_PS_MASTER_BR] = 8, + [CONF_SG_ACL_WLAN_PS_SLAVE_BR] = 8, + [CONF_SG_ACL_WLAN_PS_MASTER_EDR] = 20, + [CONF_SG_ACL_WLAN_PS_SLAVE_EDR] = 20, + [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_BR] = 20, + [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_BR] = 35, + [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_BR] = 16, + [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_BR] = 35, + [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MIN_EDR] = 32, + [CONF_SG_ACL_WLAN_ACTIVE_MASTER_MAX_EDR] = 50, + [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MIN_EDR] = 28, + [CONF_SG_ACL_WLAN_ACTIVE_SLAVE_MAX_EDR] = 50, + [CONF_SG_ACL_ACTIVE_SCAN_WLAN_BR] = 10, + [CONF_SG_ACL_ACTIVE_SCAN_WLAN_EDR] = 20, + [CONF_SG_ACL_PASSIVE_SCAN_BT_BR] = 75, + [CONF_SG_ACL_PASSIVE_SCAN_WLAN_BR] = 15, + [CONF_SG_ACL_PASSIVE_SCAN_BT_EDR] = 27, + [CONF_SG_ACL_PASSIVE_SCAN_WLAN_EDR] = 17, + /* active scan params */ + [CONF_SG_AUTO_SCAN_PROBE_REQ] = 170, + [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_HV3] = 50, + [CONF_SG_ACTIVE_SCAN_DURATION_FACTOR_A2DP] = 100, + /* passive scan params */ + [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_BR] = 800, + [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_A2DP_EDR] = 200, + [CONF_SG_PASSIVE_SCAN_DURATION_FACTOR_HV3] = 200, + /* passive scan in dual antenna params */ + [CONF_SG_CONSECUTIVE_HV3_IN_PASSIVE_SCAN] = 0, + [CONF_SG_BCN_HV3_COLLISION_THRESH_IN_PASSIVE_SCAN] = 0, + [CONF_SG_TX_RX_PROTECTION_BWIDTH_IN_PASSIVE_SCAN] = 0, + /* general params */ + [CONF_SG_STA_FORCE_PS_IN_BT_SCO] = 1, + [CONF_SG_ANTENNA_CONFIGURATION] = 0, + [CONF_SG_BEACON_MISS_PERCENT] = 60, + [CONF_SG_DHCP_TIME] = 5000, + [CONF_SG_RXT] = 1200, + [CONF_SG_TXT] = 1000, + [CONF_SG_ADAPTIVE_RXT_TXT] = 1, + [CONF_SG_GENERAL_USAGE_BIT_MAP] = 3, + [CONF_SG_HV3_MAX_SERVED] = 6, + [CONF_SG_PS_POLL_TIMEOUT] = 10, + [CONF_SG_UPSD_TIMEOUT] = 10, + [CONF_SG_CONSECUTIVE_CTS_THRESHOLD] = 2, + [CONF_SG_STA_RX_WINDOW_AFTER_DTIM] = 5, + [CONF_SG_STA_CONNECTION_PROTECTION_TIME] = 30, + /* AP params */ + [CONF_AP_BEACON_MISS_TX] = 3, + [CONF_AP_RX_WINDOW_AFTER_BEACON] = 10, + [CONF_AP_BEACON_WINDOW_INTERVAL] = 2, + [CONF_AP_CONNECTION_PROTECTION_TIME] = 0, + [CONF_AP_BT_ACL_VAL_BT_SERVE_TIME] = 25, + [CONF_AP_BT_ACL_VAL_WL_SERVE_TIME] = 25, + /* CTS Diluting params */ + [CONF_SG_CTS_DILUTED_BAD_RX_PACKETS_TH] = 0, + [CONF_SG_CTS_CHOP_IN_DUAL_ANT_SCO_MASTER] = 0, + }, + .state = CONF_SG_PROTECTIVE, + }, + .rx = { + .rx_msdu_life_time = 512000, + .packet_detection_threshold = 0, + .ps_poll_timeout = 15, + .upsd_timeout = 15, + .rts_threshold = IEEE80211_MAX_RTS_THRESHOLD, + .rx_cca_threshold = 0, + .irq_blk_threshold = 0xFFFF, + .irq_pkt_threshold = 0, + .irq_timeout = 600, + .queue_type = CONF_RX_QUEUE_TYPE_LOW_PRIORITY, + }, + .tx = { + .tx_energy_detection = 0, + .sta_rc_conf = { + .enabled_rates = 0, + .short_retry_limit = 10, + .long_retry_limit = 10, + .aflags = 0, + }, + .ac_conf_count = 4, + .ac_conf = { + [CONF_TX_AC_BE] = { + .ac = CONF_TX_AC_BE, + .cw_min = 15, + .cw_max = 63, + .aifsn = 3, + .tx_op_limit = 0, + }, + [CONF_TX_AC_BK] = { + .ac = CONF_TX_AC_BK, + .cw_min = 15, + .cw_max = 63, + .aifsn = 7, + .tx_op_limit = 0, + }, + [CONF_TX_AC_VI] = { + .ac = CONF_TX_AC_VI, + .cw_min = 15, + .cw_max = 63, + .aifsn = CONF_TX_AIFS_PIFS, + .tx_op_limit = 3008, + }, + [CONF_TX_AC_VO] = { + .ac = CONF_TX_AC_VO, + .cw_min = 15, + .cw_max = 63, + .aifsn = CONF_TX_AIFS_PIFS, + .tx_op_limit = 1504, + }, + }, + .max_tx_retries = 100, + .ap_aging_period = 300, + .tid_conf_count = 4, + .tid_conf = { + [CONF_TX_AC_BE] = { + .queue_id = CONF_TX_AC_BE, + .channel_type = CONF_CHANNEL_TYPE_EDCF, + .tsid = CONF_TX_AC_BE, + .ps_scheme = CONF_PS_SCHEME_LEGACY, + .ack_policy = CONF_ACK_POLICY_LEGACY, + .apsd_conf = {0, 0}, + }, + [CONF_TX_AC_BK] = { + .queue_id = CONF_TX_AC_BK, + .channel_type = CONF_CHANNEL_TYPE_EDCF, + .tsid = CONF_TX_AC_BK, + .ps_scheme = CONF_PS_SCHEME_LEGACY, + .ack_policy = CONF_ACK_POLICY_LEGACY, + .apsd_conf = {0, 0}, + }, + [CONF_TX_AC_VI] = { + .queue_id = CONF_TX_AC_VI, + .channel_type = CONF_CHANNEL_TYPE_EDCF, + .tsid = CONF_TX_AC_VI, + .ps_scheme = CONF_PS_SCHEME_LEGACY, + .ack_policy = CONF_ACK_POLICY_LEGACY, + .apsd_conf = {0, 0}, + }, + [CONF_TX_AC_VO] = { + .queue_id = CONF_TX_AC_VO, + .channel_type = CONF_CHANNEL_TYPE_EDCF, + .tsid = CONF_TX_AC_VO, + .ps_scheme = CONF_PS_SCHEME_LEGACY, + .ack_policy = CONF_ACK_POLICY_LEGACY, + .apsd_conf = {0, 0}, + }, + }, + .frag_threshold = IEEE80211_MAX_FRAG_THRESHOLD, + .tx_compl_timeout = 350, + .tx_compl_threshold = 10, + .basic_rate = CONF_HW_BIT_RATE_1MBPS, + .basic_rate_5 = CONF_HW_BIT_RATE_6MBPS, + .tmpl_short_retry_limit = 10, + .tmpl_long_retry_limit = 10, + .tx_watchdog_timeout = 5000, + }, + .conn = { + .wake_up_event = CONF_WAKE_UP_EVENT_DTIM, + .listen_interval = 1, + .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, + .suspend_listen_interval = 3, + .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, + .bcn_filt_ie_count = 2, + .bcn_filt_ie = { + [0] = { + .ie = WLAN_EID_CHANNEL_SWITCH, + .rule = CONF_BCN_RULE_PASS_ON_APPEARANCE, + }, + [1] = { + .ie = WLAN_EID_HT_OPERATION, + .rule = CONF_BCN_RULE_PASS_ON_CHANGE, + }, + }, + .synch_fail_thold = 10, + .bss_lose_timeout = 100, + .beacon_rx_timeout = 10000, + .broadcast_timeout = 20000, + .rx_broadcast_in_ps = 1, + .ps_poll_threshold = 10, + .bet_enable = CONF_BET_MODE_ENABLE, + .bet_max_consecutive = 50, + .psm_entry_retries = 8, + .psm_exit_retries = 16, + .psm_entry_nullfunc_retries = 3, + .dynamic_ps_timeout = 40, + .forced_ps = false, + .keep_alive_interval = 55000, + .max_listen_interval = 20, + }, + .itrim = { + .enable = false, + .timeout = 50000, + }, + .pm_config = { + .host_clk_settling_time = 5000, + .host_fast_wakeup_support = false + }, + .roam_trigger = { + .trigger_pacing = 1, + .avg_weight_rssi_beacon = 20, + .avg_weight_rssi_data = 10, + .avg_weight_snr_beacon = 20, + .avg_weight_snr_data = 10, + }, + .scan = { + .min_dwell_time_active = 7500, + .max_dwell_time_active = 30000, + .min_dwell_time_passive = 100000, + .max_dwell_time_passive = 100000, + .num_probe_reqs = 2, + .split_scan_timeout = 50000, + }, + .sched_scan = { + /* + * Values are in TU/1000 but since sched scan FW command + * params are in TUs rounding up may occur. + */ + .base_dwell_time = 7500, + .max_dwell_time_delta = 22500, + /* based on 250bits per probe @1Mbps */ + .dwell_time_delta_per_probe = 2000, + /* based on 250bits per probe @6Mbps (plus a bit more) */ + .dwell_time_delta_per_probe_5 = 350, + .dwell_time_passive = 100000, + .dwell_time_dfs = 150000, + .num_probe_reqs = 2, + .rssi_threshold = -90, + .snr_threshold = 0, + }, + .ht = { + .rx_ba_win_size = 10, + .tx_ba_win_size = 10, + .inactivity_timeout = 10000, + .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, + }, + .mem = { + .num_stations = 1, + .ssid_profiles = 1, + .rx_block_num = 40, + .tx_min_block_num = 40, + .dynamic_memory = 1, + .min_req_tx_blocks = 45, + .min_req_rx_blocks = 22, + .tx_min = 27, + }, + .fm_coex = { + .enable = true, + .swallow_period = 5, + .n_divider_fref_set_1 = 0xff, /* default */ + .n_divider_fref_set_2 = 12, + .m_divider_fref_set_1 = 148, + .m_divider_fref_set_2 = 0xffff, /* default */ + .coex_pll_stabilization_time = 0xffffffff, /* default */ + .ldo_stabilization_time = 0xffff, /* default */ + .fm_disturbed_band_margin = 0xff, /* default */ + .swallow_clk_diff = 0xff, /* default */ + }, + .rx_streaming = { + .duration = 150, + .queues = 0x1, + .interval = 20, + .always = 0, + }, + .fwlog = { + .mode = WL12XX_FWLOG_ON_DEMAND, + .mem_blocks = 2, + .severity = 0, + .timestamp = WL12XX_FWLOG_TIMESTAMP_DISABLED, + .output = WL12XX_FWLOG_OUTPUT_HOST, + .threshold = 0, + }, + .rate = { + .rate_retry_score = 32000, + .per_add = 8192, + .per_th1 = 2048, + .per_th2 = 4096, + .max_per = 8100, + .inverse_curiosity_factor = 5, + .tx_fail_low_th = 4, + .tx_fail_high_th = 10, + .per_alpha_shift = 4, + .per_add_shift = 13, + .per_beta1_shift = 10, + .per_beta2_shift = 8, + .rate_check_up = 2, + .rate_check_down = 12, + .rate_retry_policy = { + 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00, 0x00, + 0x00, 0x00, 0x00, + }, + }, + .hangover = { + .recover_time = 0, + .hangover_period = 20, + .dynamic_mode = 1, + .early_termination_mode = 1, + .max_period = 20, + .min_period = 1, + .increase_delta = 1, + .decrease_delta = 2, + .quiet_time = 4, + .increase_time = 1, + .window_size = 16, + }, +}; + +static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .phy = { .phy_standalone = 0x00, .primary_clock_setting_time = 0x05, @@ -323,42 +640,43 @@ static void wl18xx_pre_upload(struct wl1271 *wl) static void wl18xx_set_mac_and_phy(struct wl1271 *wl) { + struct wl18xx_priv *priv = wl->priv; + struct wl18xx_conf_phy *phy = &priv->conf.phy; struct wl18xx_mac_and_phy_params params; memset(¶ms, 0, sizeof(params)); - params.phy_standalone = wl18xx_default_conf.phy.phy_standalone; - params.rdl = wl18xx_default_conf.phy.rdl; - params.enable_clpc = wl18xx_default_conf.phy.enable_clpc; + params.phy_standalone = phy->phy_standalone; + params.rdl = phy->rdl; + params.enable_clpc = phy->enable_clpc; params.enable_tx_low_pwr_on_siso_rdl = - wl18xx_default_conf.phy.enable_tx_low_pwr_on_siso_rdl; - params.auto_detect = wl18xx_default_conf.phy.auto_detect; - params.dedicated_fem = wl18xx_default_conf.phy.dedicated_fem; - params.low_band_component = wl18xx_default_conf.phy.low_band_component; + phy->enable_tx_low_pwr_on_siso_rdl; + params.auto_detect = phy->auto_detect; + params.dedicated_fem = phy->dedicated_fem; + params.low_band_component = phy->low_band_component; params.low_band_component_type = - wl18xx_default_conf.phy.low_band_component_type; - params.high_band_component = - wl18xx_default_conf.phy.high_band_component; + phy->low_band_component_type; + params.high_band_component = phy->high_band_component; params.high_band_component_type = - wl18xx_default_conf.phy.high_band_component_type; + phy->high_band_component_type; params.number_of_assembled_ant2_4 = - wl18xx_default_conf.phy.number_of_assembled_ant2_4; + phy->number_of_assembled_ant2_4; params.number_of_assembled_ant5 = - wl18xx_default_conf.phy.number_of_assembled_ant5; - params.external_pa_dc2dc = wl18xx_default_conf.phy.external_pa_dc2dc; - params.tcxo_ldo_voltage = wl18xx_default_conf.phy.tcxo_ldo_voltage; - params.xtal_itrim_val = wl18xx_default_conf.phy.xtal_itrim_val; - params.srf_state = wl18xx_default_conf.phy.srf_state; - params.io_configuration = wl18xx_default_conf.phy.io_configuration; - params.sdio_configuration = wl18xx_default_conf.phy.sdio_configuration; - params.settings = wl18xx_default_conf.phy.settings; - params.rx_profile = wl18xx_default_conf.phy.rx_profile; + phy->number_of_assembled_ant5; + params.external_pa_dc2dc = phy->external_pa_dc2dc; + params.tcxo_ldo_voltage = phy->tcxo_ldo_voltage; + params.xtal_itrim_val = phy->xtal_itrim_val; + params.srf_state = phy->srf_state; + params.io_configuration = phy->io_configuration; + params.sdio_configuration = phy->sdio_configuration; + params.settings = phy->settings; + params.rx_profile = phy->rx_profile; params.primary_clock_setting_time = - wl18xx_default_conf.phy.primary_clock_setting_time; + phy->primary_clock_setting_time; params.clock_valid_on_wake_up = - wl18xx_default_conf.phy.clock_valid_on_wake_up; + phy->clock_valid_on_wake_up; params.secondary_clock_setting_time = - wl18xx_default_conf.phy.secondary_clock_setting_time; + phy->secondary_clock_setting_time; /* TODO: hardcoded for now */ params.board_type = BOARD_TYPE_DVP_EVB_18XX; @@ -544,6 +862,17 @@ static void wl18xx_set_rx_csum(struct wl1271 *wl, skb->ip_summed = CHECKSUM_UNNECESSARY; } +static void wl18xx_conf_init(struct wl1271 *wl) +{ + struct wl18xx_priv *priv = wl->priv; + + /* apply driver default configuration */ + memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf)); + + /* apply default private configuration */ + memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf)); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -584,6 +913,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); + wl18xx_conf_init(wl); + return wlcore_probe(wl, pdev); } diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index d24f9c0fd277..c9bf5c6559f8 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -22,6 +22,7 @@ #ifndef __WL18XX_PRIV_H__ #define __WL18XX_PRIV_H__ +#include "conf.h" #define WL18XX_CMD_MAX_SIZE 740 @@ -29,6 +30,8 @@ struct wl18xx_priv { /* buffer for sending commands to FW */ u8 cmd_buf[WL18XX_CMD_MAX_SIZE]; + struct wl18xx_priv_conf conf; + /* Index of last released Tx desc in FW */ u8 last_fw_rls_idx; }; From 83d08d3ff385c810a341a5c1b97a8c81df96673d Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:30 +0300 Subject: [PATCH 071/241] wlcore: track current channel type per vif Track the current 802.11 channel type, defaulting to a NO_HT channel. Update the channel type element when changed by mac80211. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 9 ++++++++- drivers/net/wireless/ti/wlcore/wl12xx.h | 1 + drivers/net/wireless/ti/wlcore/wlcore.h | 3 +++ 3 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index acef93390d3d..6f0361b23611 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -1767,6 +1767,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl->rx_counter = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; + wl->channel_type = NL80211_CHAN_NO_HT; wl->tx_blocks_available = 0; wl->tx_allocated_blocks = 0; wl->tx_results_count = 0; @@ -1919,6 +1920,7 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wlvif->band = wl->band; wlvif->channel = wl->channel; wlvif->power_level = wl->power_level; + wlvif->channel_type = wl->channel_type; INIT_WORK(&wlvif->rx_streaming_enable_work, wl1271_rx_streaming_enable_work); @@ -2469,11 +2471,13 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, /* if the channel changes while joined, join again */ if (changed & IEEE80211_CONF_CHANGE_CHANNEL && ((wlvif->band != conf->channel->band) || - (wlvif->channel != channel))) { + (wlvif->channel != channel) || + (wlvif->channel_type != conf->channel_type))) { /* send all pending packets */ wl1271_tx_work_locked(wl); wlvif->band = conf->channel->band; wlvif->channel = channel; + wlvif->channel_type = conf->channel_type; if (!is_ap) { /* @@ -2593,6 +2597,7 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) if (changed & IEEE80211_CONF_CHANGE_CHANNEL) { wl->band = conf->channel->band; wl->channel = channel; + wl->channel_type = conf->channel_type; } if (changed & IEEE80211_CONF_CHANGE_POWER) @@ -3704,6 +3709,7 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, u32 rates; int ieoffset; wlvif->aid = bss_conf->aid; + wlvif->channel_type = bss_conf->channel_type; wlvif->beacon_int = bss_conf->beacon_int; do_join = true; set_assoc = true; @@ -5117,6 +5123,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) wl->rx_counter = 0; wl->power_level = WL1271_DEFAULT_POWER_LEVEL; wl->band = IEEE80211_BAND_2GHZ; + wl->channel_type = NL80211_CHAN_NO_HT; wl->flags = 0; wl->sg_enabled = true; wl->hw_pg_ver = -1; diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wl12xx.h index f12bdf745180..05e6f74e4d25 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx.h +++ b/drivers/net/wireless/ti/wlcore/wl12xx.h @@ -367,6 +367,7 @@ struct wl12xx_vif { /* The current band */ enum ieee80211_band band; int channel; + enum nl80211_channel_type channel_type; u32 bitrate_masks[IEEE80211_NUM_BANDS]; u32 basic_rate_set; diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 2922d8aec699..83c43c9b10ed 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -362,6 +362,9 @@ struct wl1271 { /* RX Data filter rule state - enabled/disabled */ bool rx_filter_enabled[WL1271_MAX_RX_FILTERS]; + + /* the current channel type */ + enum nl80211_channel_type channel_type; }; int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); From a6298dbe95b5121dfc74102e7a113001859a1335 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:31 +0300 Subject: [PATCH 072/241] wl18xx: send channel type to FW on role start Translate the NL80211 channel type to a FW-specific channel type and send it to the FW as part of the role-start command. For wl12xx this has no effect - this element is treated as padding. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/cmd.c | 19 +++++++++++++++++++ drivers/net/wireless/ti/wlcore/cmd.h | 11 ++++++++++- 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 5b128a971449..8450f0eecc9b 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -291,6 +291,23 @@ static int wl12xx_get_new_session_id(struct wl1271 *wl, return wlvif->session_counter; } +static u8 wlcore_get_native_channel_type(u8 nl_channel_type) +{ + switch (nl_channel_type) { + case NL80211_CHAN_NO_HT: + return WLCORE_CHAN_NO_HT; + case NL80211_CHAN_HT20: + return WLCORE_CHAN_HT20; + case NL80211_CHAN_HT40MINUS: + return WLCORE_CHAN_HT40MINUS; + case NL80211_CHAN_HT40PLUS: + return WLCORE_CHAN_HT40PLUS; + default: + WARN_ON(1); + return WLCORE_CHAN_NO_HT; + } +} + static int wl12xx_cmd_role_start_dev(struct wl1271 *wl, struct wl12xx_vif *wlvif) { @@ -407,6 +424,7 @@ int wl12xx_cmd_role_start_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif) memcpy(cmd->sta.ssid, wlvif->ssid, wlvif->ssid_len); memcpy(cmd->sta.bssid, vif->bss_conf.bssid, ETH_ALEN); cmd->sta.local_rates = cpu_to_le32(wlvif->rate_set); + cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (wlvif->sta.hlid == WL12XX_INVALID_LINK_ID) { ret = wl12xx_allocate_link(wl, wlvif, &wlvif->sta.hlid); @@ -519,6 +537,7 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* FIXME: Change when adding DFS */ cmd->ap.reset_tsf = 1; /* By default reset AP TSF */ cmd->channel = wlvif->channel; + cmd->channel_type = wlcore_get_native_channel_type(wlvif->channel_type); if (!bss_conf->hidden_ssid) { /* take the SSID from the beacon for backward compatibility */ diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h index a46ae07cb77e..2aafe3df0fb0 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.h +++ b/drivers/net/wireless/ti/wlcore/cmd.h @@ -266,13 +266,22 @@ enum wlcore_band { WLCORE_BAND_MAX_RADIO = 0x7F, }; +enum wlcore_channel_type { + WLCORE_CHAN_NO_HT, + WLCORE_CHAN_HT20, + WLCORE_CHAN_HT40MINUS, + WLCORE_CHAN_HT40PLUS +}; + struct wl12xx_cmd_role_start { struct wl1271_cmd_header header; u8 role_id; u8 band; u8 channel; - u8 padding; + + /* enum wlcore_channel_type */ + u8 channel_type; union { struct { From f13af3484f04f61794d90dbdab28df8bf8b9d667 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:32 +0300 Subject: [PATCH 073/241] wl18xx: ipmlement ap_rate_mask hw op Enable wide-chan or MIMO rates when appropriate. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 18 ++++++++++++++++++ drivers/net/wireless/ti/wl18xx/tx.h | 6 ++++++ drivers/net/wireless/ti/wlcore/conf.h | 6 ++++++ 3 files changed, 30 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index fd7a803ff98c..77840ddd3129 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -862,6 +862,23 @@ static void wl18xx_set_rx_csum(struct wl1271 *wl, skb->ip_summed = CHECKSUM_UNNECESSARY; } +static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + u32 hw_rate_set = wlvif->rate_set; + + if (wlvif->channel_type == NL80211_CHAN_HT40MINUS || + wlvif->channel_type == NL80211_CHAN_HT40PLUS) { + wl1271_debug(DEBUG_ACX, "using wide channel rate mask"); + hw_rate_set |= CONF_TX_RATE_USE_WIDE_CHAN; + + /* we don't support MIMO in wide-channel mode */ + hw_rate_set &= ~CONF_TX_MIMO_RATES; + } + + return hw_rate_set; +} + static void wl18xx_conf_init(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; @@ -888,6 +905,7 @@ static struct wlcore_ops wl18xx_ops = { .hw_init = wl18xx_hw_init, .set_tx_desc_csum = wl18xx_set_tx_desc_csum, .set_rx_csum = wl18xx_set_rx_csum, + .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wl18xx/tx.h b/drivers/net/wireless/ti/wl18xx/tx.h index a91eb10a42f2..2417262de207 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.h +++ b/drivers/net/wireless/ti/wl18xx/tx.h @@ -31,6 +31,12 @@ #define WL18XX_TX_STATUS_DESC_ID_MASK 0x7F #define WL18XX_TX_STATUS_STAT_BIT_IDX 7 +/* + * The FW uses a special bit to indicate a wide channel should be used in + * the rate policy. + */ +#define CONF_TX_RATE_USE_WIDE_CHAN BIT(31) + void wl18xx_tx_immediate_complete(struct wl1271 *wl); #endif /* __WL12XX_TX_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 0798c1e88814..14dd361fa828 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -443,6 +443,12 @@ struct conf_rx_settings { CONF_HW_BIT_RATE_MCS_5 | CONF_HW_BIT_RATE_MCS_6 | \ CONF_HW_BIT_RATE_MCS_7) +#define CONF_TX_MIMO_RATES (CONF_HW_BIT_RATE_MCS_8 | \ + CONF_HW_BIT_RATE_MCS_9 | CONF_HW_BIT_RATE_MCS_10 | \ + CONF_HW_BIT_RATE_MCS_11 | CONF_HW_BIT_RATE_MCS_12 | \ + CONF_HW_BIT_RATE_MCS_13 | CONF_HW_BIT_RATE_MCS_14 | \ + CONF_HW_BIT_RATE_MCS_15) + /* * Default rates for management traffic when operating in AP mode. This * should be configured according to the basic rate set of the AP From b3a47ee0ec07b16f68c38052e8cd1b5cb417bdca Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:33 +0300 Subject: [PATCH 074/241] wlcore: support peer MIMO rates Parse the peer ht_cap element containing MCS8-MCS15 rates and pass it to the FW. Rates unsupported by the HW will be sanitized by mac80211 before reaching us. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/cmd.c | 4 +++- drivers/net/wireless/ti/wlcore/main.c | 3 ++- drivers/net/wireless/ti/wlcore/tx.c | 4 ++-- drivers/net/wireless/ti/wlcore/wl12xx.h | 1 + 4 files changed, 8 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 8450f0eecc9b..0dec46586ad5 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -1371,7 +1371,9 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, sta_rates = sta->supp_rates[wlvif->band]; if (sta->ht_cap.ht_supported) - sta_rates |= sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET; + sta_rates |= + (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | + (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); cmd->supported_rates = cpu_to_le32(wl1271_tx_enabled_rates_get(wl, sta_rates, diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 6f0361b23611..47dfc9d1295c 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3696,7 +3696,8 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, sta_rate_set = sta->supp_rates[wl->hw->conf.channel->band]; if (sta->ht_cap.ht_supported) sta_rate_set |= - (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET); + (sta->ht_cap.mcs.rx_mask[0] << HW_HT_RATES_OFFSET) | + (sta->ht_cap.mcs.rx_mask[1] << HW_MIMO_RATES_OFFSET); sta_ht_cap = sta->ht_cap; sta_exists = true; diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 44e4e7bb29bd..200d091db6f9 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -428,10 +428,10 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, rate_set >>= 1; } - /* MCS rates indication are on bits 16 - 23 */ + /* MCS rates indication are on bits 16 - 31 */ rate_set >>= HW_HT_RATES_OFFSET - band->n_bitrates; - for (bit = 0; bit < 8; bit++) { + for (bit = 0; bit < 16; bit++) { if (rate_set & 0x1) enabled_rates |= (CONF_HW_BIT_RATE_MCS_0 << bit); rate_set >>= 1; diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wl12xx.h index 05e6f74e4d25..571a4ef34a32 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx.h +++ b/drivers/net/wireless/ti/wlcore/wl12xx.h @@ -502,6 +502,7 @@ void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, /* Macros to handle wl1271.sta_rate_set */ #define HW_BG_RATES_MASK 0xffff #define HW_HT_RATES_OFFSET 16 +#define HW_MIMO_RATES_OFFSET 24 #define WL12XX_HW_BLOCK_SIZE 256 From ebc7e57ddd01ffa4c996dde7095746259693755d Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:34 +0300 Subject: [PATCH 075/241] wlcore/wl18xx: enable MIMO/wide-chan rates in AP-mode rate config Add a HW op to add extra enabled rates for AP-mode data-rates. Since the rates might depend on channel properties, reconfigure AP-mode rates when these change. Implement the HW op for the 18xx family, where MIMO or wide-chan rates can be added. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 1 + drivers/net/wireless/ti/wl18xx/main.c | 14 ++++++++++++++ drivers/net/wireless/ti/wlcore/hw_ops.h | 10 ++++++++++ drivers/net/wireless/ti/wlcore/init.c | 3 +++ drivers/net/wireless/ti/wlcore/main.c | 7 ++++++- drivers/net/wireless/ti/wlcore/wlcore.h | 2 ++ 6 files changed, 36 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index a3336534eb2a..ad760a329c6a 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1315,6 +1315,7 @@ static struct wlcore_ops wl12xx_ops = { .get_mac = wl12xx_get_mac, .set_tx_desc_csum = wl12xx_set_tx_desc_csum, .set_rx_csum = NULL, + .ap_get_mimo_wide_rate_mask = NULL, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 77840ddd3129..9da94e62b7ac 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -879,6 +879,19 @@ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl, return hw_rate_set; } +static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + if (wlvif->channel_type == NL80211_CHAN_HT40MINUS || + wlvif->channel_type == NL80211_CHAN_HT40PLUS) { + wl1271_debug(DEBUG_ACX, "using wide channel rate mask"); + return CONF_TX_RATE_USE_WIDE_CHAN; + } else { + wl1271_debug(DEBUG_ACX, "using MIMO rate mask"); + return CONF_TX_MIMO_RATES; + } +} + static void wl18xx_conf_init(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; @@ -906,6 +919,7 @@ static struct wlcore_ops wl18xx_ops = { .set_tx_desc_csum = wl18xx_set_tx_desc_csum, .set_rx_csum = wl18xx_set_rx_csum, .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, + .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, }; int __devinit wl18xx_probe(struct platform_device *pdev) diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 80f3d75ceddf..6d3e378bd0c7 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -139,4 +139,14 @@ wlcore_hw_set_rx_csum(struct wl1271 *wl, wl->ops->set_rx_csum(wl, desc, skb); } +static inline u32 +wlcore_hw_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, + struct wl12xx_vif *wlvif) +{ + if (wl->ops->ap_get_mimo_wide_rate_mask) + return wl->ops->ap_get_mimo_wide_rate_mask(wl, wlvif); + + return 0; +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/init.c b/drivers/net/wireless/ti/wlcore/init.c index 9f89255eb6e6..645abd4b660d 100644 --- a/drivers/net/wireless/ti/wlcore/init.c +++ b/drivers/net/wireless/ti/wlcore/init.c @@ -460,6 +460,9 @@ int wl1271_init_ap_rates(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* unconditionally enable HT rates */ supported_rates |= CONF_TX_MCS_RATES; + /* get extra MIMO or wide-chan rates where the HW supports it */ + supported_rates |= wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); + /* configure unicast TX rate classes */ for (i = 0; i < wl->conf.tx.ac_conf_count; i++) { rc.enabled_rates = supported_rates; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 47dfc9d1295c..03d4a4b1f59c 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2479,7 +2479,12 @@ static int wl12xx_config_vif(struct wl1271 *wl, struct wl12xx_vif *wlvif, wlvif->channel = channel; wlvif->channel_type = conf->channel_type; - if (!is_ap) { + if (is_ap) { + ret = wl1271_init_ap_rates(wl, wlvif); + if (ret < 0) + wl1271_error("AP rate policy change failed %d", + ret); + } else { /* * FIXME: the mac80211 should really provide a fixed * rate to use here. for now, just use the smallest diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 83c43c9b10ed..f9ec84da3f79 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -68,6 +68,8 @@ struct wlcore_ops { void (*set_rx_csum)(struct wl1271 *wl, struct wl1271_rx_descriptor *desc, struct sk_buff *skb); + u32 (*ap_get_mimo_wide_rate_mask)(struct wl1271 *wl, + struct wl12xx_vif *wlvif); }; enum wlcore_partitions { From 0e0f5a3b5c6f1b0e435a315a9cbe8a8de0c93630 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:35 +0300 Subject: [PATCH 076/241] wl18xx: set HT capabilities Define the default HT capabilities of the 18xx chip family - these include support for wide-channel. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 9da94e62b7ac..a0bec8f6c4ed 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -922,6 +922,20 @@ static struct wlcore_ops wl18xx_ops = { .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, }; +/* HT cap appropriate for wide channels */ +static struct ieee80211_sta_ht_cap wl18xx_ht_cap = { + .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | + IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40, + .ht_supported = true, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, + .mcs = { + .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + .rx_highest = cpu_to_le16(150), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -945,6 +959,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); + memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); wl18xx_conf_init(wl); return wlcore_probe(wl, pdev); From 3a8ddb61764a4ee0f6d2eb1fc650f41c4057ecc2 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:36 +0300 Subject: [PATCH 077/241] wl18xx: add module param for overriding HT caps Set an alternate HT cap allowing MIMO rates (but only 20mhz) channels, when the module is loaded with ht_mode=mimo. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index a0bec8f6c4ed..17792e2a9849 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -41,6 +41,8 @@ #define WL18XX_RX_CHECKSUM_MASK 0x40 +static char *ht_mode_param; + static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ @@ -936,6 +938,19 @@ static struct ieee80211_sta_ht_cap wl18xx_ht_cap = { }, }; +/* HT cap appropriate for MIMO rates in 20mhz channel */ +static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap = { + .cap = IEEE80211_HT_CAP_SGI_20, + .ht_supported = true, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, + .mcs = { + .rx_mask = { 0xff, 0xff, 0, 0, 0, 0, 0, 0, 0, 0, }, + .rx_highest = cpu_to_le16(144), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, +}; + int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -960,6 +975,10 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); + if (ht_mode_param && !strcmp(ht_mode_param, "mimo")) + memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, + sizeof(wl18xx_mimo_ht_cap)); + wl18xx_conf_init(wl); return wlcore_probe(wl, pdev); @@ -993,6 +1012,9 @@ static void __exit wl18xx_exit(void) } module_exit(wl18xx_exit); +module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR); +MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or mimo"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From a9c130d522ddef8673728fa9738f4f3f8e61f9b9 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:37 +0300 Subject: [PATCH 078/241] wl18xx: add board type module argument Different board types (ie. FPGA, HDK and DVP/EVB) require slightly different init configuration options. Since we cannot probe the type of board from the actual hardware, we need to pass it as an option during module load. This patch adds a module parameters that accepts the 3 different board types, with DVP/EVB as the default, and uses this value where needed. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 26 +++++++++++++++++++++++-- drivers/net/wireless/ti/wl18xx/wl18xx.h | 2 ++ 2 files changed, 26 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 17792e2a9849..e5ebf4a14ba1 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -42,6 +42,7 @@ #define WL18XX_RX_CHECKSUM_MASK 0x40 static char *ht_mode_param; +static char *board_type_param; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -680,8 +681,7 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) params.secondary_clock_setting_time = phy->secondary_clock_setting_time; - /* TODO: hardcoded for now */ - params.board_type = BOARD_TYPE_DVP_EVB_18XX; + params.board_type = priv->board_type; wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]); wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)¶ms, @@ -964,6 +964,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) } wl = hw->priv; + priv = wl->priv; wl->ops = &wl18xx_ops; wl->ptable = wl18xx_ptable; wl->rtable = wl18xx_rtable; @@ -979,6 +980,24 @@ int __devinit wl18xx_probe(struct platform_device *pdev) memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, sizeof(wl18xx_mimo_ht_cap)); + if (!board_type_param) { + board_type_param = kstrdup("dvp_evb", GFP_KERNEL); + priv->board_type = BOARD_TYPE_DVP_EVB_18XX; + } else { + if (!strcmp(board_type_param, "fpga")) + priv->board_type = BOARD_TYPE_FPGA_18XX; + else if (!strcmp(board_type_param, "hdk")) + priv->board_type = BOARD_TYPE_HDK_18XX; + else if (!strcmp(board_type_param, "dvp_evb")) + priv->board_type = BOARD_TYPE_DVP_EVB_18XX; + else { + wl1271_error("invalid board type '%s'", + board_type_param); + wlcore_free_hw(wl); + return -EINVAL; + } + } + wl18xx_conf_init(wl); return wlcore_probe(wl, pdev); @@ -1015,6 +1034,9 @@ module_exit(wl18xx_exit); module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR); MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or mimo"); +module_param_named(board_type, board_type_param, charp, S_IRUSR); +MODULE_PARM_DESC(board_type, "Board type: fpga, hdk or dvp_evb (default)"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index c9bf5c6559f8..5bcc7f09f8ca 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -34,6 +34,8 @@ struct wl18xx_priv { /* Index of last released Tx desc in FW */ u8 last_fw_rls_idx; + + u8 board_type; }; #define WL18XX_FW_MAX_TX_STATUS_DESC 33 From d5b592764f5b21979f6260869bd96e69aa0536bb Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:38 +0300 Subject: [PATCH 079/241] wl18xx: translate and write the board type to SCR_PAD2 The firmware uses the SCR_PAD2 register to read the board type passed from the driver. The values don't match the ones used in the mac and phy configuration, so we need to map them before writing. This commit adds a translation table that is used when writing the board type to SCR_PAD2. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 16 +++++++++++----- drivers/net/wireless/ti/wl18xx/reg.h | 9 +++++++++ 2 files changed, 20 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index e5ebf4a14ba1..5214334c72c2 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -44,6 +44,12 @@ static char *ht_mode_param; static char *board_type_param; +static const u32 wl18xx_board_type_to_scrpad2[NUM_BOARD_TYPES] = { + [BOARD_TYPE_FPGA_18XX] = SCR_PAD2_BOARD_TYPE_FPGA, + [BOARD_TYPE_HDK_18XX] = SCR_PAD2_BOARD_TYPE_HDK, + [BOARD_TYPE_DVP_EVB_18XX] = SCR_PAD2_BOARD_TYPE_DVP_EVB, +}; + static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ @@ -584,11 +590,11 @@ static int wl18xx_identify_chip(struct wl1271 *wl) static void wl18xx_set_clk(struct wl1271 *wl) { - /* - * TODO: this is hardcoded just for DVP/EVB, fix according to - * new unified_drv. - */ - wl1271_write32(wl, WL18XX_SCR_PAD2, 0xB3); + struct wl18xx_priv *priv = wl->priv; + + /* write the translated board type to SCR_PAD2 */ + wl1271_write32(wl, WL18XX_SCR_PAD2, + wl18xx_board_type_to_scrpad2[priv->board_type]); wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); wl1271_write32(wl, 0x00A02360, 0xD0078); diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 53987997f78f..e0170aeba05c 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -154,6 +154,15 @@ enum { BOARD_TYPE_FPGA_18XX = 0, BOARD_TYPE_HDK_18XX = 1, BOARD_TYPE_DVP_EVB_18XX = 2, + + NUM_BOARD_TYPES, +}; + +/* board type values used by the firmware in the SCR_PAD2 register */ +enum { + SCR_PAD2_BOARD_TYPE_FPGA = 0xB1, + SCR_PAD2_BOARD_TYPE_HDK = 0xB2, + SCR_PAD2_BOARD_TYPE_DVP_EVB = 0xB3, }; struct wl18xx_mac_and_phy_params { From 1c351da6673b2806ade099aa8204c262df5d91ac Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:39 +0300 Subject: [PATCH 080/241] wl18xx: read FW pc on recovery Define the FW pc in the 18xx register translation table. This specific register is only valid in the boot partition, so change the momentarily change partitions. This doesn't damage 12xx cards, where the FW pc is accessible via boot partition as well. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 2 +- drivers/net/wireless/ti/wlcore/main.c | 3 +++ 2 files changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 5214334c72c2..82403e356eb8 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -549,7 +549,7 @@ static const int wl18xx_rtable[REG_TABLE_LEN] = { [REG_EVENT_MAILBOX_PTR] = WL18XX_REG_EVENT_MAILBOX_PTR, [REG_INTERRUPT_TRIG] = WL18XX_REG_INTERRUPT_TRIG_H, [REG_INTERRUPT_MASK] = WL18XX_REG_INTERRUPT_MASK, - [REG_PC_ON_RECOVERY] = 0, /* TODO: where is the PC? */ + [REG_PC_ON_RECOVERY] = WL18XX_SCR_PAD4, [REG_CHIP_ID_B] = WL18XX_REG_CHIP_ID_B, [REG_CMD_MBOX_ADDRESS] = WL18XX_CMD_MBOX_ADDRESS, diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 03d4a4b1f59c..dfa87b4d3bb2 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -872,9 +872,12 @@ static void wl1271_recovery_work(struct work_struct *work) wl12xx_read_fwlog_panic(wl); + /* change partitions momentarily so we can read the FW pc */ + wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", wl->chip.fw_ver_str, wlcore_read_reg(wl, REG_PC_ON_RECOVERY)); + wlcore_set_partition(wl, &wl->ptable[PART_WORK]); BUG_ON(bug_on_recovery && !test_bit(WL1271_FLAG_INTENDED_FW_RECOVERY, &wl->flags)); From d9fedea2a31476e7d11b3cc80c843de6cf135bd9 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:40 +0300 Subject: [PATCH 081/241] wl18xx: disable FW log functionality Currently (Fw .67) appears to do more harm than good. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 82403e356eb8..0f078860804d 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -574,6 +574,7 @@ static int wl18xx_identify_chip(struct wl1271 *wl) wl->chip.id); wl->sr_fw_name = WL18XX_FW_NAME; wl->quirks |= WLCORE_QUIRK_NO_ELP | + WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; /* TODO: need to blocksize alignment for RX/TX separately? */ From be65202a610ca96aa945789c8b0a7bc3529b556e Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:41 +0300 Subject: [PATCH 082/241] wl18xx: read clock frequency and do top init accordingly Instead of using hardcoded values for a single frequency, we need to read the frequency and use the appropriate values for it in the top initialization. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/Makefile | 2 +- drivers/net/wireless/ti/wl18xx/io.c | 60 +++++++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/io.h | 28 ++++++++++++ drivers/net/wireless/ti/wl18xx/main.c | 51 +++++++++++++++++++-- drivers/net/wireless/ti/wl18xx/reg.h | 22 +++++++++ drivers/net/wireless/ti/wl18xx/wl18xx.h | 22 +++++++++ 6 files changed, 181 insertions(+), 4 deletions(-) create mode 100644 drivers/net/wireless/ti/wl18xx/io.c create mode 100644 drivers/net/wireless/ti/wl18xx/io.h diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile index 764d598bc968..abd881f4ea01 100644 --- a/drivers/net/wireless/ti/wl18xx/Makefile +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -1,3 +1,3 @@ -wl18xx-objs = main.o acx.o tx.o +wl18xx-objs = main.o acx.o tx.o io.o obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/io.c b/drivers/net/wireless/ti/wl18xx/io.c new file mode 100644 index 000000000000..598c057e722b --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/io.c @@ -0,0 +1,60 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/wlcore.h" +#include "../wlcore/io.h" + +#include "io.h" + +void wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val) +{ + u32 tmp; + + if (WARN_ON(addr % 2)) + return; + + if ((addr % 4) == 0) { + tmp = wl1271_read32(wl, addr); + tmp = (tmp & 0xffff0000) | val; + wl1271_write32(wl, addr, tmp); + } else { + tmp = wl1271_read32(wl, addr - 2); + tmp = (tmp & 0xffff) | (val << 16); + wl1271_write32(wl, addr - 2, tmp); + } +} + +u16 wl18xx_top_reg_read(struct wl1271 *wl, int addr) +{ + u32 val; + + if (WARN_ON(addr % 2)) + return 0; + + if ((addr % 4) == 0) { + /* address is 4-bytes aligned */ + val = wl1271_read32(wl, addr); + return val & 0xffff; + } else { + val = wl1271_read32(wl, addr - 2); + return (val & 0xffff0000) >> 16; + } +} diff --git a/drivers/net/wireless/ti/wl18xx/io.h b/drivers/net/wireless/ti/wl18xx/io.h new file mode 100644 index 000000000000..be4e126ff617 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/io.h @@ -0,0 +1,28 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2011 Texas Instruments + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_IO_H__ +#define __WL18XX_IO_H__ + +void wl18xx_top_reg_write(struct wl1271 *wl, int addr, u16 val); +u16 wl18xx_top_reg_read(struct wl1271 *wl, int addr); + +#endif /* __WL18XX_IO_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 0f078860804d..ce132494ebed 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -37,6 +37,7 @@ #include "acx.h" #include "tx.h" #include "wl18xx.h" +#include "io.h" #define WL18XX_RX_CHECKSUM_MASK 0x40 @@ -561,6 +562,18 @@ static const int wl18xx_rtable[REG_TABLE_LEN] = { [REG_RAW_FW_STATUS_ADDR] = WL18XX_FW_STATUS_ADDR, }; +static const struct wl18xx_clk_cfg wl18xx_clk_table[NUM_CLOCK_CONFIGS] = { + [CLOCK_CONFIG_16_2_M] = { 7, 104, 801, 4, true }, + [CLOCK_CONFIG_16_368_M] = { 9, 132, 3751, 4, true }, + [CLOCK_CONFIG_16_8_M] = { 7, 100, 0, 0, false }, + [CLOCK_CONFIG_19_2_M] = { 8, 100, 0, 0, false }, + [CLOCK_CONFIG_26_M] = { 13, 120, 0, 0, false }, + [CLOCK_CONFIG_32_736_M] = { 9, 132, 3751, 4, true }, + [CLOCK_CONFIG_33_6_M] = { 7, 100, 0, 0, false }, + [CLOCK_CONFIG_38_468_M] = { 8, 100, 0, 0, false }, + [CLOCK_CONFIG_52_M] = { 13, 120, 0, 0, false }, +}; + /* TODO: maybe move to a new header file? */ #define WL18XX_FW_NAME "ti-connectivity/wl18xx-fw.bin" @@ -592,15 +605,47 @@ static int wl18xx_identify_chip(struct wl1271 *wl) static void wl18xx_set_clk(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; + u32 clk_freq; /* write the translated board type to SCR_PAD2 */ wl1271_write32(wl, WL18XX_SCR_PAD2, wl18xx_board_type_to_scrpad2[priv->board_type]); wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); - wl1271_write32(wl, 0x00A02360, 0xD0078); - wl1271_write32(wl, 0x00A0236c, 0x12); - wl1271_write32(wl, 0x00A02390, 0x20118); + + /* TODO: PG2: apparently we need to read the clk type */ + + clk_freq = wl18xx_top_reg_read(wl, PRIMARY_CLK_DETECT); + wl1271_debug(DEBUG_BOOT, "clock freq %d (%d, %d, %d, %d, %s)", clk_freq, + wl18xx_clk_table[clk_freq].n, wl18xx_clk_table[clk_freq].m, + wl18xx_clk_table[clk_freq].p, wl18xx_clk_table[clk_freq].q, + wl18xx_clk_table[clk_freq].swallow ? "swallow" : "spit"); + + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_N, wl18xx_clk_table[clk_freq].n); + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_M, wl18xx_clk_table[clk_freq].m); + + if (wl18xx_clk_table[clk_freq].swallow) { + /* first the 16 lower bits */ + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_1, + wl18xx_clk_table[clk_freq].q & + PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK); + /* then the 16 higher bits, masked out */ + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_Q_FACTOR_CFG_2, + (wl18xx_clk_table[clk_freq].q >> 16) & + PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK); + + /* first the 16 lower bits */ + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_1, + wl18xx_clk_table[clk_freq].p & + PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK); + /* then the 16 higher bits, masked out */ + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_P_FACTOR_CFG_2, + (wl18xx_clk_table[clk_freq].p >> 16) & + PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK); + } else { + wl18xx_top_reg_write(wl, PLLSH_WCS_PLL_SWALLOW_EN, + PLLSH_WCS_PLL_SWALLOW_EN_VAL2); + } } static void wl18xx_boot_soft_reset(struct wl1271 *wl) diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index e0170aeba05c..1ea3393cff2c 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -107,6 +107,28 @@ #define WL18XX_WELP_ARM_COMMAND (WL18XX_REGISTERS_BASE + 0x7100) #define WL18XX_ENABLE (WL18XX_REGISTERS_BASE + 0x01543C) +/* PRCM registers */ +#define PLATFORM_DETECTION 0xA0E3E0 +#define OCS_EN 0xA02080 +#define PRIMARY_CLK_DETECT 0xA020A6 +#define PLLSH_WCS_PLL_N 0xA02362 +#define PLLSH_WCS_PLL_M 0xA02360 +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_1 0xA02364 +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_2 0xA02366 +#define PLLSH_WCS_PLL_P_FACTOR_CFG_1 0xA02368 +#define PLLSH_WCS_PLL_P_FACTOR_CFG_2 0xA0236A +#define PLLSH_WCS_PLL_SWALLOW_EN 0xA0236C +#define PLLSH_WL_PLL_EN 0xA02392 + +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_1_MASK 0xFFFF +#define PLLSH_WCS_PLL_Q_FACTOR_CFG_2_MASK 0x007F +#define PLLSH_WCS_PLL_P_FACTOR_CFG_1_MASK 0xFFFF +#define PLLSH_WCS_PLL_P_FACTOR_CFG_2_MASK 0x000F + +#define PLLSH_WCS_PLL_SWALLOW_EN_VAL1 0x1 +#define PLLSH_WCS_PLL_SWALLOW_EN_VAL2 0x12 + + #define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 #define WL18XX_FW_STATUS_ADDR 0x50F8 diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 5bcc7f09f8ca..75abb5b48c6e 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -56,4 +56,26 @@ struct wl18xx_fw_status_priv { u8 padding[2]; }; +struct wl18xx_clk_cfg { + u32 n; + u32 m; + u32 p; + u32 q; + bool swallow; +}; + +enum { + CLOCK_CONFIG_16_2_M = 1, + CLOCK_CONFIG_16_368_M, + CLOCK_CONFIG_16_8_M, + CLOCK_CONFIG_19_2_M, + CLOCK_CONFIG_26_M, + CLOCK_CONFIG_32_736_M, + CLOCK_CONFIG_33_6_M, + CLOCK_CONFIG_38_468_M, + CLOCK_CONFIG_52_M, + + NUM_CLOCK_CONFIGS, +}; + #endif /* __WL18XX_PRIV_H__ */ From 8388569a34396fccee22ae8348ca624959694ce0 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:42 +0300 Subject: [PATCH 083/241] wlcore: rename wl12xx.h to wlcore_i.h The wl12xx.h file now contains mostly definitions that are internal to wlcore. Still, some things need to me moved to the public header, so for now we keep including it in wlcore.h. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/wlcore.h | 2 +- drivers/net/wireless/ti/wlcore/{wl12xx.h => wlcore_i.h} | 6 +++--- 2 files changed, 4 insertions(+), 4 deletions(-) rename drivers/net/wireless/ti/wlcore/{wl12xx.h => wlcore_i.h} (99%) diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index f9ec84da3f79..8f724daf4208 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -24,7 +24,7 @@ #include -#include "wl12xx.h" +#include "wlcore_i.h" #include "event.h" /* The maximum number of Tx descriptors in all chip families */ diff --git a/drivers/net/wireless/ti/wlcore/wl12xx.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h similarity index 99% rename from drivers/net/wireless/ti/wlcore/wl12xx.h rename to drivers/net/wireless/ti/wlcore/wlcore_i.h index 571a4ef34a32..819c97cdc162 100644 --- a/drivers/net/wireless/ti/wlcore/wl12xx.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -22,8 +22,8 @@ * */ -#ifndef __WL12XX_H__ -#define __WL12XX_H__ +#ifndef __WLCORE_I_H__ +#define __WLCORE_I_H__ #include #include @@ -506,4 +506,4 @@ void wl1271_rx_filter_flatten_fields(struct wl12xx_rx_filter *filter, #define WL12XX_HW_BLOCK_SIZE 256 -#endif +#endif /* __WLCORE_I_H__ */ From a5d751bb9298360f5547d30734aed4a54a8af3e4 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:43 +0300 Subject: [PATCH 084/241] wlcore/wl12xx: move ref_clock and tcxo_clock elements to wl12xx Only wl12xx needs to get the ref_clock anc tcxo_clock values from the platform data. Move these elements from the wl1271 structure to wl12xx's private data. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/cmd.c | 8 ++- drivers/net/wireless/ti/wl12xx/main.c | 88 ++++++++++++++++++++---- drivers/net/wireless/ti/wl12xx/wl12xx.h | 3 + drivers/net/wireless/ti/wlcore/debugfs.c | 3 +- drivers/net/wireless/ti/wlcore/main.c | 2 - drivers/net/wireless/ti/wlcore/wlcore.h | 3 - 6 files changed, 82 insertions(+), 25 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/cmd.c b/drivers/net/wireless/ti/wl12xx/cmd.c index 8ffaeb5f2147..50ba7480b790 100644 --- a/drivers/net/wireless/ti/wl12xx/cmd.c +++ b/drivers/net/wireless/ti/wl12xx/cmd.c @@ -65,6 +65,7 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) struct wl1271_general_parms_cmd *gen_parms; struct wl1271_ini_general_params *gp = &((struct wl1271_nvs_file *)wl->nvs)->general_params; + struct wl12xx_priv *priv = wl->priv; bool answer = false; int ret; @@ -88,7 +89,7 @@ int wl1271_cmd_general_parms(struct wl1271 *wl) answer = true; /* Override the REF CLK from the NVS with the one from platform data */ - gen_parms->general_params.ref_clock = wl->ref_clock; + gen_parms->general_params.ref_clock = priv->ref_clock; ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { @@ -118,6 +119,7 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) struct wl128x_general_parms_cmd *gen_parms; struct wl128x_ini_general_params *gp = &((struct wl128x_nvs_file *)wl->nvs)->general_params; + struct wl12xx_priv *priv = wl->priv; bool answer = false; int ret; @@ -141,8 +143,8 @@ int wl128x_cmd_general_parms(struct wl1271 *wl) answer = true; /* Replace REF and TCXO CLKs with the ones from platform data */ - gen_parms->general_params.ref_clock = wl->ref_clock; - gen_parms->general_params.tcxo_ref_clock = wl->tcxo_clock; + gen_parms->general_params.ref_clock = priv->ref_clock; + gen_parms->general_params.tcxo_ref_clock = priv->tcxo_clock; ret = wl1271_cmd_test(wl, gen_parms, sizeof(*gen_parms), answer); if (ret < 0) { diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index ad760a329c6a..962d85d625de 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -40,6 +40,9 @@ #include "cmd.h" #include "acx.h" +static char *fref_param; +static char *tcxo_param; + static struct wlcore_conf wl12xx_conf = { .sg = { .params = { @@ -773,6 +776,7 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) u16 spare_reg; u16 pll_config; u8 input_freq; + struct wl12xx_priv *priv = wl->priv; /* Mask bits [3:1] in the sys_clk_cfg register */ spare_reg = wl12xx_top_reg_read(wl, WL_SPARE_REG); @@ -782,8 +786,8 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) wl12xx_top_reg_write(wl, WL_SPARE_REG, spare_reg); /* Handle special cases of the TCXO clock */ - if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || - wl->tcxo_clock == WL12XX_TCXOCLOCK_33_6) + if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_8 || + priv->tcxo_clock == WL12XX_TCXOCLOCK_33_6) return wl128x_manually_configure_mcs_pll(wl); /* Set the input frequency according to the selected clock source */ @@ -808,11 +812,12 @@ static int wl128x_configure_mcs_pll(struct wl1271 *wl, int clk) */ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) { + struct wl12xx_priv *priv = wl->priv; u16 sys_clk_cfg; /* For XTAL-only modes, FREF will be used after switching from TCXO */ - if (wl->ref_clock == WL12XX_REFCLOCK_26_XTAL || - wl->ref_clock == WL12XX_REFCLOCK_38_XTAL) { + if (priv->ref_clock == WL12XX_REFCLOCK_26_XTAL || + priv->ref_clock == WL12XX_REFCLOCK_38_XTAL) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; @@ -826,8 +831,8 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) goto fref_clk; /* If TCXO is either 32.736MHz or 16.368MHz, switch to FREF */ - if (wl->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || - wl->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { + if (priv->tcxo_clock == WL12XX_TCXOCLOCK_16_368 || + priv->tcxo_clock == WL12XX_TCXOCLOCK_32_736) { if (!wl128x_switch_tcxo_to_fref(wl)) return -EINVAL; goto fref_clk; @@ -836,14 +841,14 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) /* TCXO clock is selected */ if (!wl128x_is_tcxo_valid(wl)) return -EINVAL; - *selected_clock = wl->tcxo_clock; + *selected_clock = priv->tcxo_clock; goto config_mcs_pll; fref_clk: /* FREF clock is selected */ if (!wl128x_is_fref_valid(wl)) return -EINVAL; - *selected_clock = wl->ref_clock; + *selected_clock = priv->ref_clock; config_mcs_pll: return wl128x_configure_mcs_pll(wl, *selected_clock); @@ -851,25 +856,26 @@ static int wl128x_boot_clk(struct wl1271 *wl, int *selected_clock) static int wl127x_boot_clk(struct wl1271 *wl) { + struct wl12xx_priv *priv = wl->priv; u32 pause; u32 clk; if (WL127X_PG_GET_MAJOR(wl->hw_pg_ver) < 3) wl->quirks |= WLCORE_QUIRK_END_OF_TRANSACTION; - if (wl->ref_clock == CONF_REF_CLK_19_2_E || - wl->ref_clock == CONF_REF_CLK_38_4_E || - wl->ref_clock == CONF_REF_CLK_38_4_M_XTAL) + if (priv->ref_clock == CONF_REF_CLK_19_2_E || + priv->ref_clock == CONF_REF_CLK_38_4_E || + priv->ref_clock == CONF_REF_CLK_38_4_M_XTAL) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; - else if (wl->ref_clock == CONF_REF_CLK_26_E || - wl->ref_clock == CONF_REF_CLK_52_E) + else if (priv->ref_clock == CONF_REF_CLK_26_E || + priv->ref_clock == CONF_REF_CLK_52_E) /* ref clk: 26/52 */ clk = 0x5; else return -EINVAL; - if (wl->ref_clock != CONF_REF_CLK_19_2_E) { + if (priv->ref_clock != CONF_REF_CLK_19_2_E) { u16 val; /* Set clock type (open drain) */ val = wl12xx_top_reg_read(wl, OCP_REG_CLK_TYPE); @@ -939,6 +945,7 @@ static int wl1271_boot_soft_reset(struct wl1271 *wl) static int wl12xx_pre_boot(struct wl1271 *wl) { + struct wl12xx_priv *priv = wl->priv; int ret = 0; u32 clk; int selected_clock = -1; @@ -970,7 +977,7 @@ static int wl12xx_pre_boot(struct wl1271 *wl) if (wl->chip.id == CHIP_ID_1283_PG20) clk |= ((selected_clock & 0x3) << 1) << 4; else - clk |= (wl->ref_clock << 1) << 4; + clk |= (priv->ref_clock << 1) << 4; wl1271_write32(wl, WL12XX_DRPW_SCRATCH_START, clk); @@ -1333,6 +1340,7 @@ static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { static int __devinit wl12xx_probe(struct platform_device *pdev) { + struct wl12xx_platform_data *pdata = pdev->dev.platform_data; struct wl1271 *wl; struct ieee80211_hw *hw; struct wl12xx_priv *priv; @@ -1344,6 +1352,7 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) } wl = hw->priv; + priv = wl->priv; wl->ops = &wl12xx_ops; wl->ptable = wl12xx_ptable; wl->rtable = wl12xx_rtable; @@ -1357,6 +1366,48 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) memcpy(&wl->ht_cap, &wl12xx_ht_cap, sizeof(wl12xx_ht_cap)); wl12xx_conf_init(wl); + if (!fref_param) { + priv->ref_clock = pdata->board_ref_clock; + } else { + if (!strcmp(fref_param, "19.2")) + priv->ref_clock = WL12XX_REFCLOCK_19; + else if (!strcmp(fref_param, "26")) + priv->ref_clock = WL12XX_REFCLOCK_26; + else if (!strcmp(fref_param, "26x")) + priv->ref_clock = WL12XX_REFCLOCK_26_XTAL; + else if (!strcmp(fref_param, "38.4")) + priv->ref_clock = WL12XX_REFCLOCK_38; + else if (!strcmp(fref_param, "38.4x")) + priv->ref_clock = WL12XX_REFCLOCK_38_XTAL; + else if (!strcmp(fref_param, "52")) + priv->ref_clock = WL12XX_REFCLOCK_52; + else + wl1271_error("Invalid fref parameter %s", fref_param); + } + + if (!tcxo_param) { + priv->tcxo_clock = pdata->board_tcxo_clock; + } else { + if (!strcmp(tcxo_param, "19.2")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_19_2; + else if (!strcmp(tcxo_param, "26")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_26; + else if (!strcmp(tcxo_param, "38.4")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_38_4; + else if (!strcmp(tcxo_param, "52")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_52; + else if (!strcmp(tcxo_param, "16.368")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_16_368; + else if (!strcmp(tcxo_param, "32.736")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_32_736; + else if (!strcmp(tcxo_param, "16.8")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_16_8; + else if (!strcmp(tcxo_param, "33.6")) + priv->tcxo_clock = WL12XX_TCXOCLOCK_33_6; + else + wl1271_error("Invalid tcxo parameter %s", tcxo_param); + } + return wlcore_probe(wl, pdev); } @@ -1388,6 +1439,13 @@ static void __exit wl12xx_exit(void) } module_exit(wl12xx_exit); +module_param_named(fref, fref_param, charp, 0); +MODULE_PARM_DESC(fref, "FREF clock: 19.2, 26, 26x, 38.4, 38.4x, 52"); + +module_param_named(tcxo, tcxo_param, charp, 0); +MODULE_PARM_DESC(tcxo, + "TCXO clock: 19.2, 26, 38.4, 52, 16.368, 32.736, 16.8, 33.6"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL127X_FW_NAME_SINGLE); diff --git a/drivers/net/wireless/ti/wl12xx/wl12xx.h b/drivers/net/wireless/ti/wl12xx/wl12xx.h index 74cd332e23ef..0d81c1e00b4a 100644 --- a/drivers/net/wireless/ti/wl12xx/wl12xx.h +++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h @@ -26,6 +26,9 @@ struct wl12xx_priv { struct wl12xx_priv_conf conf; + + int ref_clock; + int tcxo_clock; }; #endif /* __WL12XX_PRIV_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index d5aea1ff5ad1..d3775198d265 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -535,8 +535,7 @@ static ssize_t driver_state_read(struct file *file, char __user *user_buf, DRIVER_STATE_PRINT_LHEX(ap_ps_map); DRIVER_STATE_PRINT_HEX(quirks); DRIVER_STATE_PRINT_HEX(irq); - DRIVER_STATE_PRINT_HEX(ref_clock); - DRIVER_STATE_PRINT_HEX(tcxo_clock); + /* TODO: ref_clock and tcxo_clock were moved to wl12xx priv */ DRIVER_STATE_PRINT_HEX(hw_pg_ver); DRIVER_STATE_PRINT_HEX(platform_quirks); DRIVER_STATE_PRINT_HEX(chip.id); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index dfa87b4d3bb2..cd73dfe42448 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5295,8 +5295,6 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) wlcore_adjust_conf(wl); wl->irq = platform_get_irq(pdev, 0); - wl->ref_clock = pdata->board_ref_clock; - wl->tcxo_clock = pdata->board_tcxo_clock; wl->platform_quirks = pdata->platform_quirks; wl->set_power = pdata->set_power; wl->dev = &pdev->dev; diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 8f724daf4208..89abbced7bae 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -130,7 +130,6 @@ struct wl1271 { void (*set_power)(bool enable); int irq; - int ref_clock; spinlock_t wl_lock; @@ -288,8 +287,6 @@ struct wl1271 { /* bands supported by this instance of wl12xx */ struct ieee80211_supported_band bands[IEEE80211_NUM_BANDS]; - int tcxo_clock; - /* * wowlan trigger was configured during suspend. * (currently, only "ANY" trigger is supported) From 549562946fab225439bd6878982031ad6ce2aab9 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:44 +0300 Subject: [PATCH 085/241] wl18xx: implement hw op to read PG version Read the HW PG version of the 18xx chip from FUSE. Based on an earlier patch by Luciano Coelho . Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 17 +++++++++++++++-- drivers/net/wireless/ti/wl18xx/reg.h | 3 +++ 2 files changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index ce132494ebed..9aae0af25fef 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -659,8 +659,6 @@ static void wl18xx_boot_soft_reset(struct wl1271 *wl) static int wl18xx_pre_boot(struct wl1271 *wl) { - /* TODO: add hw_pg_ver reading */ - wl18xx_set_clk(wl); /* Continue the ELP wake up sequence */ @@ -946,6 +944,20 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, } } +static s8 wl18xx_get_pg_ver(struct wl1271 *wl) +{ + u32 fuse; + + wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); + + fuse = wl1271_read32(wl, WL18XX_REG_FUSE_DATA_1_3); + fuse = (fuse & WL18XX_PG_VER_MASK) >> WL18XX_PG_VER_OFFSET; + + wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); + + return (s8)fuse; +} + static void wl18xx_conf_init(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; @@ -971,6 +983,7 @@ static struct wlcore_ops wl18xx_ops = { .tx_delayed_compl = NULL, .hw_init = wl18xx_hw_init, .set_tx_desc_csum = wl18xx_set_tx_desc_csum, + .get_pg_ver = wl18xx_get_pg_ver, .set_rx_csum = wl18xx_set_rx_csum, .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 1ea3393cff2c..43c480fb837f 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -128,6 +128,9 @@ #define PLLSH_WCS_PLL_SWALLOW_EN_VAL1 0x1 #define PLLSH_WCS_PLL_SWALLOW_EN_VAL2 0x12 +#define WL18XX_REG_FUSE_DATA_1_3 0xA0260C +#define WL18XX_PG_VER_MASK 0x70 +#define WL18XX_PG_VER_OFFSET 4 #define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 From 4b4887e9710158dca6efd3646ba87f1da03ebe8b Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:45 +0300 Subject: [PATCH 086/241] wlcore/wl12xx: move rx_mem_pool_addr element to wl12xx Only wl127x chips use the rx_mem_pool_addr values, which need to be given to the firmware as part of the RX path. Move this from core to the wl12xx driver. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/main.c | 2 +- drivers/net/wireless/ti/wl12xx/wl12xx.h | 5 +++++ drivers/net/wireless/ti/wlcore/wlcore.h | 3 --- drivers/net/wireless/ti/wlcore/wlcore_i.h | 5 ----- 4 files changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 962d85d625de..02668557fef0 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -596,7 +596,7 @@ static void wl127x_prepare_read(struct wl1271 *wl, u32 rx_desc, u32 len) { if (wl->chip.id != CHIP_ID_1283_PG20) { struct wl1271_acx_mem_map *wl_mem_map = wl->target_mem_map; - struct wl1271_rx_mem_pool_addr rx_mem_addr; + struct wl127x_rx_mem_pool_addr rx_mem_addr; /* * Choose the block we want to read diff --git a/drivers/net/wireless/ti/wl12xx/wl12xx.h b/drivers/net/wireless/ti/wl12xx/wl12xx.h index 0d81c1e00b4a..de1132410876 100644 --- a/drivers/net/wireless/ti/wl12xx/wl12xx.h +++ b/drivers/net/wireless/ti/wl12xx/wl12xx.h @@ -24,6 +24,11 @@ #include "conf.h" +struct wl127x_rx_mem_pool_addr { + u32 addr; + u32 addr_extra; +}; + struct wl12xx_priv { struct wl12xx_priv_conf conf; diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 89abbced7bae..f62152e35f3c 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -213,9 +213,6 @@ struct wl1271 { /* FW Rx counter */ u32 rx_counter; - /* Rx memory pool address */ - struct wl1271_rx_mem_pool_addr rx_mem_pool_addr; - /* Intermediate buffer, used for packet aggregation */ u8 *aggr_buf; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 819c97cdc162..53263a978a75 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -194,11 +194,6 @@ struct wl_fw_status { u8 priv[0]; } __packed; -struct wl1271_rx_mem_pool_addr { - u32 addr; - u32 addr_extra; -}; - #define WL1271_MAX_CHANNELS 64 struct wl1271_scan { struct cfg80211_scan_request *req; From f2baf075c5121b30922751f34920815743d7ee67 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:46 +0300 Subject: [PATCH 087/241] wl18xx: init Tx-released index to 0 on HW init This ensures the index is 0 on FW recovery and prevents spurious error prints - "WARNING illegal id in tx completion". Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 9aae0af25fef..a8b9ceacd9c2 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -850,11 +850,15 @@ static void wl18xx_tx_immediate_completion(struct wl1271 *wl) static int wl18xx_hw_init(struct wl1271 *wl) { int ret; + struct wl18xx_priv *priv = wl->priv; u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE | HOST_IF_CFG_ADD_RX_ALIGNMENT; u32 sdio_align_size = 0; + /* (re)init private structures. Relevant on recovery as well. */ + priv->last_fw_rls_idx = 0; + /* Enable Tx SDIO padding */ if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) { host_cfg_bitmap |= HOST_IF_CFG_TX_PAD_TO_SDIO_BLK; From 2f1d74e6e7f26df2665b7df5ff912bc1d3ae75dc Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:47 +0300 Subject: [PATCH 088/241] wl18xx: don't upload NVS to FW In this chip family the NVS file should not be uploaded to FW. In fact, we encounter strange bugs (sdio errors) when trying to upload it with certain parameters. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index a8b9ceacd9c2..ddd11d00f033 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -755,10 +755,6 @@ static int wl18xx_boot(struct wl1271 *wl) if (ret < 0) goto out; - ret = wlcore_boot_upload_nvs(wl); - if (ret < 0) - goto out; - wl18xx_pre_upload(wl); ret = wlcore_boot_upload_firmware(wl); From 05057c0621dea083b617e7c35437faa9db7b7104 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:48 +0300 Subject: [PATCH 089/241] wl18xx: change board type enum according to new FW Add more board types and remove a now unneeded write to SCR_PAD2 setting the board type. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 43 +++++++++++---------------- drivers/net/wireless/ti/wl18xx/reg.h | 15 ++++------ 2 files changed, 22 insertions(+), 36 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index ddd11d00f033..f892d37443e2 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -45,12 +45,6 @@ static char *ht_mode_param; static char *board_type_param; -static const u32 wl18xx_board_type_to_scrpad2[NUM_BOARD_TYPES] = { - [BOARD_TYPE_FPGA_18XX] = SCR_PAD2_BOARD_TYPE_FPGA, - [BOARD_TYPE_HDK_18XX] = SCR_PAD2_BOARD_TYPE_HDK, - [BOARD_TYPE_DVP_EVB_18XX] = SCR_PAD2_BOARD_TYPE_DVP_EVB, -}; - static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ 15, /* WL18XX_CONF_HW_RXTX_RATE_MCS15 */ @@ -604,13 +598,8 @@ static int wl18xx_identify_chip(struct wl1271 *wl) static void wl18xx_set_clk(struct wl1271 *wl) { - struct wl18xx_priv *priv = wl->priv; u32 clk_freq; - /* write the translated board type to SCR_PAD2 */ - wl1271_write32(wl, WL18XX_SCR_PAD2, - wl18xx_board_type_to_scrpad2[priv->board_type]); - wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); /* TODO: PG2: apparently we need to read the clk type */ @@ -1046,21 +1035,22 @@ int __devinit wl18xx_probe(struct platform_device *pdev) sizeof(wl18xx_mimo_ht_cap)); if (!board_type_param) { - board_type_param = kstrdup("dvp_evb", GFP_KERNEL); - priv->board_type = BOARD_TYPE_DVP_EVB_18XX; + board_type_param = kstrdup("dvp", GFP_KERNEL); + priv->board_type = BOARD_TYPE_DVP_18XX; + } else if (!strcmp(board_type_param, "fpga")) { + priv->board_type = BOARD_TYPE_FPGA_18XX; + } else if (!strcmp(board_type_param, "hdk")) { + priv->board_type = BOARD_TYPE_HDK_18XX; + } else if (!strcmp(board_type_param, "dvp")) { + priv->board_type = BOARD_TYPE_DVP_18XX; + } else if (!strcmp(board_type_param, "evb")) { + priv->board_type = BOARD_TYPE_EVB_18XX; + } else if (!strcmp(board_type_param, "com8")) { + priv->board_type = BOARD_TYPE_COM8_18XX; } else { - if (!strcmp(board_type_param, "fpga")) - priv->board_type = BOARD_TYPE_FPGA_18XX; - else if (!strcmp(board_type_param, "hdk")) - priv->board_type = BOARD_TYPE_HDK_18XX; - else if (!strcmp(board_type_param, "dvp_evb")) - priv->board_type = BOARD_TYPE_DVP_EVB_18XX; - else { - wl1271_error("invalid board type '%s'", - board_type_param); - wlcore_free_hw(wl); - return -EINVAL; - } + wl1271_error("invalid board type '%s'", board_type_param); + wlcore_free_hw(wl); + return -EINVAL; } wl18xx_conf_init(wl); @@ -1100,7 +1090,8 @@ module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR); MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or mimo"); module_param_named(board_type, board_type_param, charp, S_IRUSR); -MODULE_PARM_DESC(board_type, "Board type: fpga, hdk or dvp_evb (default)"); +MODULE_PARM_DESC(board_type, "Board type: fpga, hdk, evb, com8 or " + "dvp (default)"); MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 43c480fb837f..1674c1ad002e 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -176,20 +176,15 @@ enum { }; enum { - BOARD_TYPE_FPGA_18XX = 0, - BOARD_TYPE_HDK_18XX = 1, - BOARD_TYPE_DVP_EVB_18XX = 2, + BOARD_TYPE_EVB_18XX = 0, + BOARD_TYPE_DVP_18XX = 1, + BOARD_TYPE_HDK_18XX = 2, + BOARD_TYPE_FPGA_18XX = 3, + BOARD_TYPE_COM8_18XX = 4, NUM_BOARD_TYPES, }; -/* board type values used by the firmware in the SCR_PAD2 register */ -enum { - SCR_PAD2_BOARD_TYPE_FPGA = 0xB1, - SCR_PAD2_BOARD_TYPE_HDK = 0xB2, - SCR_PAD2_BOARD_TYPE_DVP_EVB = 0xB3, -}; - struct wl18xx_mac_and_phy_params { u8 phy_standalone; u8 rdl; From c331b344d5def33194427b24cb2190ff345f7f55 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:49 +0300 Subject: [PATCH 090/241] wlcore/wl12xx: add plt_init op and move the code to wl12xx PLT mode needs to be initialized differently for each chip. This patch adds an operation to init PLT and moves the existing PLT initialization into the wl12xx driver. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/main.c | 57 ++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/acx.c | 4 ++ drivers/net/wireless/ti/wlcore/cmd.c | 1 + drivers/net/wireless/ti/wlcore/main.c | 59 +------------------------ drivers/net/wireless/ti/wlcore/wlcore.h | 1 + 5 files changed, 64 insertions(+), 58 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 02668557fef0..1d097c1bcace 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1302,10 +1302,67 @@ static void wl12xx_set_tx_desc_csum(struct wl1271 *wl, desc->wl12xx_reserved = 0; } +static int wl12xx_plt_init(struct wl1271 *wl) +{ + int ret; + + ret = wl->ops->boot(wl); + if (ret < 0) + goto out; + + ret = wl->ops->hw_init(wl); + if (ret < 0) + goto out_irq_disable; + + ret = wl1271_acx_init_mem_config(wl); + if (ret < 0) + goto out_irq_disable; + + ret = wl12xx_acx_mem_cfg(wl); + if (ret < 0) + goto out_free_memmap; + + /* Enable data path */ + ret = wl1271_cmd_data_path(wl, 1); + if (ret < 0) + goto out_free_memmap; + + /* Configure for CAM power saving (ie. always active) */ + ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); + if (ret < 0) + goto out_free_memmap; + + /* configure PM */ + ret = wl1271_acx_pm_config(wl); + if (ret < 0) + goto out_free_memmap; + + goto out; + +out_free_memmap: + kfree(wl->target_mem_map); + wl->target_mem_map = NULL; + +out_irq_disable: + mutex_unlock(&wl->mutex); + /* Unlocking the mutex in the middle of handling is + inherently unsafe. In this case we deem it safe to do, + because we need to let any possibly pending IRQ out of + the system (and while we are WL1271_STATE_OFF the IRQ + work function will not do anything.) Also, any other + possible concurrent operations will fail due to the + current state, hence the wl1271 struct should be safe. */ + wlcore_disable_interrupts(wl); + mutex_lock(&wl->mutex); +out: + return ret; +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, .boot = wl12xx_boot, + .plt_init = wl12xx_plt_init, .trigger_cmd = wl12xx_trigger_cmd, .ack_event = wl12xx_ack_event, .calc_tx_blocks = wl12xx_calc_tx_blocks, diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index f3d6fa508269..fd33be7d5c94 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -86,6 +86,7 @@ int wl1271_acx_sleep_auth(struct wl1271 *wl, u8 sleep_auth) kfree(auth); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_sleep_auth); int wl1271_acx_tx_power(struct wl1271 *wl, struct wl12xx_vif *wlvif, int power) @@ -997,6 +998,7 @@ int wl12xx_acx_mem_cfg(struct wl1271 *wl) kfree(mem_conf); return ret; } +EXPORT_SYMBOL_GPL(wl12xx_acx_mem_cfg); int wl1271_acx_init_mem_config(struct wl1271 *wl) { @@ -1027,6 +1029,7 @@ int wl1271_acx_init_mem_config(struct wl1271 *wl) return 0; } +EXPORT_SYMBOL_GPL(wl1271_acx_init_mem_config); int wl1271_acx_init_rx_interrupt(struct wl1271 *wl) { @@ -1150,6 +1153,7 @@ int wl1271_acx_pm_config(struct wl1271 *wl) kfree(acx); return ret; } +EXPORT_SYMBOL_GPL(wl1271_acx_pm_config); int wl1271_acx_keep_alive_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, bool enable) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 0dec46586ad5..5c4756047098 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -816,6 +816,7 @@ int wl1271_cmd_data_path(struct wl1271 *wl, bool enable) kfree(cmd); return ret; } +EXPORT_SYMBOL_GPL(wl1271_cmd_data_path); int wl1271_cmd_ps_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 ps_mode, u16 auto_ps_timeout) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index cd73dfe42448..373be7f667ed 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -320,46 +320,6 @@ static void wlcore_adjust_conf(struct wl1271 *wl) } } -static int wl1271_plt_init(struct wl1271 *wl) -{ - int ret; - - ret = wl->ops->hw_init(wl); - if (ret < 0) - return ret; - - ret = wl1271_acx_init_mem_config(wl); - if (ret < 0) - return ret; - - ret = wl12xx_acx_mem_cfg(wl); - if (ret < 0) - goto out_free_memmap; - - /* Enable data path */ - ret = wl1271_cmd_data_path(wl, 1); - if (ret < 0) - goto out_free_memmap; - - /* Configure for CAM power saving (ie. always active) */ - ret = wl1271_acx_sleep_auth(wl, WL1271_PSM_CAM); - if (ret < 0) - goto out_free_memmap; - - /* configure PM */ - ret = wl1271_acx_pm_config(wl); - if (ret < 0) - goto out_free_memmap; - - return 0; - - out_free_memmap: - kfree(wl->target_mem_map); - wl->target_mem_map = NULL; - - return ret; -} - static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid, u8 tx_pkts) @@ -1042,14 +1002,10 @@ int wl1271_plt_start(struct wl1271 *wl) if (ret < 0) goto power_off; - ret = wl->ops->boot(wl); + ret = wl->ops->plt_init(wl); if (ret < 0) goto power_off; - ret = wl1271_plt_init(wl); - if (ret < 0) - goto irq_disable; - wl->plt = true; wl->state = WL1271_STATE_ON; wl1271_notice("firmware booted in PLT mode (%s)", @@ -1062,19 +1018,6 @@ int wl1271_plt_start(struct wl1271 *wl) goto out; -irq_disable: - mutex_unlock(&wl->mutex); - /* Unlocking the mutex in the middle of handling is - inherently unsafe. In this case we deem it safe to do, - because we need to let any possibly pending IRQ out of - the system (and while we are WL1271_STATE_OFF the IRQ - work function will not do anything.) Also, any other - possible concurrent operations will fail due to the - current state, hence the wl1271 struct should be safe. */ - wlcore_disable_interrupts(wl); - wl1271_flush_deferred_work(wl); - cancel_work_sync(&wl->netstack_work); - mutex_lock(&wl->mutex); power_off: wl1271_power_off(wl); } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index f62152e35f3c..1fc3c77c10a3 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -39,6 +39,7 @@ struct wlcore_ops { int (*identify_chip)(struct wl1271 *wl); int (*identify_fw)(struct wl1271 *wl); int (*boot)(struct wl1271 *wl); + int (*plt_init)(struct wl1271 *wl); void (*trigger_cmd)(struct wl1271 *wl, int cmd_box_addr, void *buf, size_t len); void (*ack_event)(struct wl1271 *wl); From be42aee6df93597f669b4d20e7a32c8fc144f104 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:50 +0300 Subject: [PATCH 091/241] wl18xx: add plt_init operation Add the correct FW name for PLT (which is the same as the normal firmware) and implement the plt_init operation. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 10 ++++++++++ drivers/net/wireless/ti/wl18xx/reg.h | 6 ++++++ 2 files changed, 16 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index f892d37443e2..59408291d30d 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -580,6 +580,8 @@ static int wl18xx_identify_chip(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)", wl->chip.id); wl->sr_fw_name = WL18XX_FW_NAME; + /* wl18xx uses the same firmware for PLT */ + wl->plt_fw_name = WL18XX_FW_NAME; wl->quirks |= WLCORE_QUIRK_NO_ELP | WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; @@ -958,9 +960,17 @@ static void wl18xx_conf_init(struct wl1271 *wl) memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf)); } +static int wl18xx_plt_init(struct wl1271 *wl) +{ + wl1271_write32(wl, WL18XX_SCR_PAD8, WL18XX_SCR_PAD8_PLT); + + return wl->ops->boot(wl); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, + .plt_init = wl18xx_plt_init, .trigger_cmd = wl18xx_trigger_cmd, .ack_event = wl18xx_ack_event, .calc_tx_blocks = wl18xx_calc_tx_blocks, diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 1674c1ad002e..aaedf91ed7b7 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -154,6 +154,12 @@ */ #define WL18XX_INTR_TRIG_EVENT_ACK BIT(29) +/* + * To boot the firmware in PLT mode we need to write this value in + * SCR_PAD8 before starting. + */ +#define WL18XX_SCR_PAD8_PLT 0xBABABEBE + /* TODO: maybe move elsewhere? */ #define NUM_OF_CHANNELS_11_ABG 150 #define NUM_OF_CHANNELS_11_P 7 From 0a1569f82b5ee4281c5c71e7bb4a285267158ce3 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:51 +0300 Subject: [PATCH 092/241] wl18xx: change the low_band_component_type for HDK boards Currently, all HDK boards use low_band_component_type 0x06. In the future this may change, but for now, we hardcode this value when the board_type is set to HDK. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 59408291d30d..f14141b3dbe4 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1051,6 +1051,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) priv->board_type = BOARD_TYPE_FPGA_18XX; } else if (!strcmp(board_type_param, "hdk")) { priv->board_type = BOARD_TYPE_HDK_18XX; + /* HACK! Just for now we hardcode HDK to 0x06 */ + priv->conf.phy.low_band_component_type = 0x06; } else if (!strcmp(board_type_param, "dvp")) { priv->board_type = BOARD_TYPE_DVP_18XX; } else if (!strcmp(board_type_param, "evb")) { From e9258815a8e21e34395d5b6a4da27f1bfcbdca11 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:52 +0300 Subject: [PATCH 093/241] wl18xx: add number of antennas and dc2dc type as module params We need to specify the number of 2.4GHz and 5GHz antennas and whether the board has an internal or external DC2DC. Add some module parameters that allow changing that. In the future this will come from the "NVS" file. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/conf.h | 3 --- drivers/net/wireless/ti/wl18xx/main.c | 21 +++++++++++++++------ 2 files changed, 15 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index d2b097e4d24e..a6058fb86e7f 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -33,9 +33,6 @@ struct wl18xx_conf_phy { u8 low_band_component_type; u8 high_band_component; u8 high_band_component_type; - u8 number_of_assembled_ant2_4; - u8 number_of_assembled_ant5; - u8 external_pa_dc2dc; u8 tcxo_ldo_voltage; u8 xtal_itrim_val; u8 srf_state; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index f14141b3dbe4..2f0cbf8f202c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -44,6 +44,9 @@ static char *ht_mode_param; static char *board_type_param; +static bool dc2dc_param = false; +static int n_antennas_2_param = 1; +static int n_antennas_5_param = 1; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -487,9 +490,6 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .low_band_component_type = 0x05, .high_band_component = COMPONENT_2_WAY_SWITCH, .high_band_component_type = 0x09, - .number_of_assembled_ant2_4 = 0x01, - .number_of_assembled_ant5 = 0x01, - .external_pa_dc2dc = 0x00, .tcxo_ldo_voltage = 0x00, .xtal_itrim_val = 0x04, .srf_state = 0x00, @@ -704,10 +704,10 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) params.high_band_component_type = phy->high_band_component_type; params.number_of_assembled_ant2_4 = - phy->number_of_assembled_ant2_4; + n_antennas_2_param; params.number_of_assembled_ant5 = - phy->number_of_assembled_ant5; - params.external_pa_dc2dc = phy->external_pa_dc2dc; + n_antennas_5_param; + params.external_pa_dc2dc = dc2dc_param; params.tcxo_ldo_voltage = phy->tcxo_ldo_voltage; params.xtal_itrim_val = phy->xtal_itrim_val; params.srf_state = phy->srf_state; @@ -1105,6 +1105,15 @@ module_param_named(board_type, board_type_param, charp, S_IRUSR); MODULE_PARM_DESC(board_type, "Board type: fpga, hdk, evb, com8 or " "dvp (default)"); +module_param_named(dc2dc, dc2dc_param, bool, S_IRUSR); +MODULE_PARM_DESC(dc2dc, "External DC2DC: boolean (defaults to false)"); + +module_param_named(n_antennas_2, n_antennas_2_param, uint, S_IRUSR); +MODULE_PARM_DESC(n_antennas_2, "Number of installed 2.4GHz antennas: 1 (default) or 2"); + +module_param_named(n_antennas_5, n_antennas_5_param, uint, S_IRUSR); +MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) or 2"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From 102165c6d2b8d73a25a1567fcac496addc15aba7 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:53 +0300 Subject: [PATCH 094/241] wl18xx: add module parameter to disable TCP checksum Add a new module parameter to disable TCP checksum offload. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 22 +++++++++++++++++++--- 1 file changed, 19 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 2f0cbf8f202c..b76b6ac348da 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -47,6 +47,7 @@ static char *board_type_param; static bool dc2dc_param = false; static int n_antennas_2_param = 1; static int n_antennas_5_param = 1; +static bool checksum_param = true; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -865,9 +866,11 @@ static int wl18xx_hw_init(struct wl1271 *wl) if (ret < 0) return ret; - ret = wl18xx_acx_set_checksum_state(wl); - if (ret != 0) - return ret; + if (checksum_param) { + ret = wl18xx_acx_set_checksum_state(wl); + if (ret != 0) + return ret; + } return ret; } @@ -879,6 +882,11 @@ static void wl18xx_set_tx_desc_csum(struct wl1271 *wl, u32 ip_hdr_offset; struct iphdr *ip_hdr; + if (!checksum_param) { + desc->wl18xx_checksum_data = 0; + return; + } + if (skb->ip_summed != CHECKSUM_PARTIAL) { desc->wl18xx_checksum_data = 0; return; @@ -1065,6 +1073,11 @@ int __devinit wl18xx_probe(struct platform_device *pdev) return -EINVAL; } + if (!checksum_param) { + wl18xx_ops.set_rx_csum = NULL; + wl18xx_ops.init_vif = NULL; + } + wl18xx_conf_init(wl); return wlcore_probe(wl, pdev); @@ -1114,6 +1127,9 @@ MODULE_PARM_DESC(n_antennas_2, "Number of installed 2.4GHz antennas: 1 (default) module_param_named(n_antennas_5, n_antennas_5_param, uint, S_IRUSR); MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) or 2"); +module_param_named(checksum, checksum_param, bool, S_IRUSR); +MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to true)"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From 0afd04e5e5d8db505fbb0f98c6306242c0006503 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Thu, 10 May 2012 12:13:54 +0300 Subject: [PATCH 095/241] wlcore/wl12xx/18xx: split fw_status struct into two The number of RX packet descriptors may vary from chip to chip and in different firmware versions. Unfortunately, the array that contains the actual descriptors is in the middle of the fw_status structure. To manage this, we split the struct into two so we can calculate the offset of what comes after the array and access the last elements more easily. [Changed the STATUS_LEN macro to be placement agnostic - Arik] Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/main.c | 4 +- drivers/net/wireless/ti/wl18xx/main.c | 1 + drivers/net/wireless/ti/wl18xx/tx.c | 2 +- drivers/net/wireless/ti/wlcore/main.c | 64 +++++++++++++---------- drivers/net/wireless/ti/wlcore/rx.c | 10 ++-- drivers/net/wireless/ti/wlcore/rx.h | 4 +- drivers/net/wireless/ti/wlcore/wlcore.h | 5 +- drivers/net/wireless/ti/wlcore/wlcore_i.h | 18 +++++-- 8 files changed, 66 insertions(+), 42 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 1d097c1bcace..82e0c6a6ac89 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1156,7 +1156,8 @@ static u32 wl12xx_get_rx_packet_len(struct wl1271 *wl, void *rx_data, static void wl12xx_tx_delayed_compl(struct wl1271 *wl) { - if (wl->fw_status->tx_results_counter == (wl->tx_results_count & 0xff)) + if (wl->fw_status_1->tx_results_counter == + (wl->tx_results_count & 0xff)) return; wl1271_tx_complete(wl); @@ -1414,6 +1415,7 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) wl->ptable = wl12xx_ptable; wl->rtable = wl12xx_rtable; wl->num_tx_desc = 16; + wl->num_rx_desc = 8; wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE; wl->band_rate_to_idx = wl12xx_band_rate_to_idx; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index b76b6ac348da..df407be9ed44 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1041,6 +1041,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->ptable = wl18xx_ptable; wl->rtable = wl18xx_rtable; wl->num_tx_desc = 32; + wl->num_rx_desc = 16; wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE; wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE; wl->band_rate_to_idx = wl18xx_band_rate_to_idx; diff --git a/drivers/net/wireless/ti/wl18xx/tx.c b/drivers/net/wireless/ti/wl18xx/tx.c index 4e12f56b394f..4de00b901505 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.c +++ b/drivers/net/wireless/ti/wl18xx/tx.c @@ -94,7 +94,7 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) void wl18xx_tx_immediate_complete(struct wl1271 *wl) { struct wl18xx_fw_status_priv *status_priv = - (struct wl18xx_fw_status_priv *)wl->fw_status->priv; + (struct wl18xx_fw_status_priv *)wl->fw_status_2->priv; struct wl18xx_priv *priv = wl->priv; u8 i; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 373be7f667ed..395da0b3377b 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -347,7 +347,7 @@ static void wl12xx_irq_ps_regulate_link(struct wl1271 *wl, static void wl12xx_irq_update_links_status(struct wl1271 *wl, struct wl12xx_vif *wlvif, - struct wl_fw_status *status) + struct wl_fw_status_2 *status) { struct wl1271_link *lnk; u32 cur_fw_ps_map; @@ -379,7 +379,8 @@ static void wl12xx_irq_update_links_status(struct wl1271 *wl, } static void wl12xx_fw_status(struct wl1271 *wl, - struct wl_fw_status *status) + struct wl_fw_status_1 *status_1, + struct wl_fw_status_2 *status_2) { struct wl12xx_vif *wlvif; struct timespec ts; @@ -388,37 +389,38 @@ static void wl12xx_fw_status(struct wl1271 *wl, int i; size_t status_len; - status_len = sizeof(*status) + wl->fw_status_priv_len; + status_len = WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + + sizeof(*status_2) + wl->fw_status_priv_len; - wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status, + wlcore_raw_read_data(wl, REG_RAW_FW_STATUS_ADDR, status_1, status_len, false); wl1271_debug(DEBUG_IRQ, "intr: 0x%x (fw_rx_counter = %d, " "drv_rx_counter = %d, tx_results_counter = %d)", - status->intr, - status->fw_rx_counter, - status->drv_rx_counter, - status->tx_results_counter); + status_1->intr, + status_1->fw_rx_counter, + status_1->drv_rx_counter, + status_1->tx_results_counter); for (i = 0; i < NUM_TX_QUEUES; i++) { /* prevent wrap-around in freed-packets counter */ wl->tx_allocated_pkts[i] -= - (status->counters.tx_released_pkts[i] - + (status_2->counters.tx_released_pkts[i] - wl->tx_pkts_freed[i]) & 0xff; - wl->tx_pkts_freed[i] = status->counters.tx_released_pkts[i]; + wl->tx_pkts_freed[i] = status_2->counters.tx_released_pkts[i]; } /* prevent wrap-around in total blocks counter */ if (likely(wl->tx_blocks_freed <= - le32_to_cpu(status->total_released_blks))) - freed_blocks = le32_to_cpu(status->total_released_blks) - + le32_to_cpu(status_2->total_released_blks))) + freed_blocks = le32_to_cpu(status_2->total_released_blks) - wl->tx_blocks_freed; else freed_blocks = 0x100000000LL - wl->tx_blocks_freed + - le32_to_cpu(status->total_released_blks); + le32_to_cpu(status_2->total_released_blks); - wl->tx_blocks_freed = le32_to_cpu(status->total_released_blks); + wl->tx_blocks_freed = le32_to_cpu(status_2->total_released_blks); wl->tx_allocated_blocks -= freed_blocks; @@ -434,7 +436,7 @@ static void wl12xx_fw_status(struct wl1271 *wl, cancel_delayed_work(&wl->tx_watchdog_work); } - avail = le32_to_cpu(status->tx_total) - wl->tx_allocated_blocks; + avail = le32_to_cpu(status_2->tx_total) - wl->tx_allocated_blocks; /* * The FW might change the total number of TX memblocks before @@ -453,13 +455,13 @@ static void wl12xx_fw_status(struct wl1271 *wl, /* for AP update num of allocated TX blocks per link and ps status */ wl12xx_for_each_wlvif_ap(wl, wlvif) { - wl12xx_irq_update_links_status(wl, wlvif, status); + wl12xx_irq_update_links_status(wl, wlvif, status_2); } /* update the host-chipset time offset */ getnstimeofday(&ts); wl->time_offset = (timespec_to_ns(&ts) >> 10) - - (s64)le32_to_cpu(status->fw_localtime); + (s64)le32_to_cpu(status_2->fw_localtime); } static void wl1271_flush_deferred_work(struct wl1271 *wl) @@ -528,11 +530,11 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) clear_bit(WL1271_FLAG_IRQ_RUNNING, &wl->flags); smp_mb__after_clear_bit(); - wl12xx_fw_status(wl, wl->fw_status); + wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); wlcore_hw_tx_immediate_compl(wl); - intr = le32_to_cpu(wl->fw_status->intr); + intr = le32_to_cpu(wl->fw_status_1->intr); intr &= WL1271_INTR_MASK; if (!intr) { done = true; @@ -551,7 +553,7 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (likely(intr & WL1271_ACX_INTR_DATA)) { wl1271_debug(DEBUG_IRQ, "WL1271_ACX_INTR_DATA"); - wl12xx_rx(wl, wl->fw_status); + wl12xx_rx(wl, wl->fw_status_1); /* Check if any tx blocks were freed */ spin_lock_irqsave(&wl->wl_lock, flags); @@ -786,8 +788,8 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) wl12xx_cmd_stop_fwlog(wl); /* Read the first memory block address */ - wl12xx_fw_status(wl, wl->fw_status); - first_addr = le32_to_cpu(wl->fw_status->log_start_addr); + wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); + first_addr = le32_to_cpu(wl->fw_status_2->log_start_addr); if (!first_addr) goto out; @@ -901,13 +903,18 @@ static void wl1271_fw_wakeup(struct wl1271 *wl) static int wl1271_setup(struct wl1271 *wl) { - wl->fw_status = kmalloc(sizeof(*wl->fw_status), GFP_KERNEL); - if (!wl->fw_status) + wl->fw_status_1 = kmalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + + sizeof(*wl->fw_status_2), GFP_KERNEL); + if (!wl->fw_status_1) return -ENOMEM; + wl->fw_status_2 = (struct wl_fw_status_2 *) + (((u8 *) wl->fw_status_1) + + WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc)); + wl->tx_res_if = kmalloc(sizeof(*wl->tx_res_if), GFP_KERNEL); if (!wl->tx_res_if) { - kfree(wl->fw_status); + kfree(wl->fw_status_1); return -ENOMEM; } @@ -1746,8 +1753,9 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) wl1271_debugfs_reset(wl); - kfree(wl->fw_status); - wl->fw_status = NULL; + kfree(wl->fw_status_1); + wl->fw_status_1 = NULL; + wl->fw_status_2 = NULL; kfree(wl->tx_res_if); wl->tx_res_if = NULL; kfree(wl->target_mem_map); @@ -5181,7 +5189,7 @@ int wlcore_free_hw(struct wl1271 *wl) kfree(wl->nvs); wl->nvs = NULL; - kfree(wl->fw_status); + kfree(wl->fw_status_1); kfree(wl->tx_res_if); destroy_workqueue(wl->freezable_wq); diff --git a/drivers/net/wireless/ti/wlcore/rx.c b/drivers/net/wireless/ti/wlcore/rx.c index 2672b1d16cef..78200dcacfca 100644 --- a/drivers/net/wireless/ti/wlcore/rx.c +++ b/drivers/net/wireless/ti/wlcore/rx.c @@ -200,12 +200,12 @@ static int wl1271_rx_handle_data(struct wl1271 *wl, u8 *data, u32 length, return is_data; } -void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) +void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status_1 *status) { unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0}; u32 buf_size; - u32 fw_rx_counter = status->fw_rx_counter & NUM_RX_PKT_DESC_MOD_MASK; - u32 drv_rx_counter = wl->rx_counter & NUM_RX_PKT_DESC_MOD_MASK; + u32 fw_rx_counter = status->fw_rx_counter % wl->num_rx_desc; + u32 drv_rx_counter = wl->rx_counter % wl->num_rx_desc; u32 rx_counter; u32 pkt_len, align_pkt_len; u32 pkt_offset, des; @@ -224,7 +224,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) break; buf_size += align_pkt_len; rx_counter++; - rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + rx_counter %= wl->num_rx_desc; } if (buf_size == 0) { @@ -264,7 +264,7 @@ void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status) wl->rx_counter++; drv_rx_counter++; - drv_rx_counter &= NUM_RX_PKT_DESC_MOD_MASK; + drv_rx_counter %= wl->num_rx_desc; pkt_offset += wlcore_rx_get_align_buf_size(wl, pkt_len); } } diff --git a/drivers/net/wireless/ti/wlcore/rx.h b/drivers/net/wireless/ti/wlcore/rx.h index 277936e14137..9be780179456 100644 --- a/drivers/net/wireless/ti/wlcore/rx.h +++ b/drivers/net/wireless/ti/wlcore/rx.h @@ -38,8 +38,6 @@ #define RX_DESC_PACKETID_SHIFT 11 #define RX_MAX_PACKET_ID 3 -#define NUM_RX_PKT_DESC_MOD_MASK 7 - #define RX_DESC_VALID_FCS 0x0001 #define RX_DESC_MATCH_RXADDR1 0x0002 #define RX_DESC_MCAST 0x0004 @@ -139,7 +137,7 @@ struct wl1271_rx_descriptor { u8 reserved; } __packed; -void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status *status); +void wl12xx_rx(struct wl1271 *wl, struct wl_fw_status_1 *status); u8 wl1271_rate_to_idx(int rate, enum ieee80211_band band); int wl1271_rx_filter_enable(struct wl1271 *wl, int index, bool enable, diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 1fc3c77c10a3..9ca382918184 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -269,7 +269,8 @@ struct wl1271 { u32 buffer_cmd; u32 buffer_busyword[WL1271_BUSY_WORD_CNT]; - struct wl_fw_status *fw_status; + struct wl_fw_status_1 *fw_status_1; + struct wl_fw_status_2 *fw_status_2; struct wl1271_tx_hw_res_if *tx_res_if; /* Current chipset configuration */ @@ -337,6 +338,8 @@ struct wl1271 { /* number of TX descriptors the HW supports. */ u32 num_tx_desc; + /* number of RX descriptors the HW supports. */ + u32 num_rx_desc; /* spare Tx blocks for normal/GEM operating modes */ u32 normal_tx_spare; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 53263a978a75..0422753f673c 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -141,7 +141,6 @@ struct wl1271_stats { }; #define NUM_TX_QUEUES 4 -#define NUM_RX_PKT_DESC 8 #define AP_MAX_STATIONS 8 @@ -159,13 +158,26 @@ struct wl_fw_packet_counters { } __packed; /* FW status registers */ -struct wl_fw_status { +struct wl_fw_status_1 { __le32 intr; u8 fw_rx_counter; u8 drv_rx_counter; u8 reserved; u8 tx_results_counter; - __le32 rx_pkt_descs[NUM_RX_PKT_DESC]; + __le32 rx_pkt_descs[0]; +} __packed; + +/* + * Each HW arch has a different number of Rx descriptors. + * The length of the status depends on it, since it holds an array + * of descriptors. + */ +#define WLCORE_FW_STATUS_1_LEN(num_rx_desc) \ + (sizeof(struct wl_fw_status_1) + \ + (sizeof(((struct wl_fw_status_1 *)0)->rx_pkt_descs[0])) * \ + num_rx_desc) + +struct wl_fw_status_2 { __le32 fw_localtime; /* From a5114d9c0def1286aa1d565280b350fee4d1c75b Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:55 +0300 Subject: [PATCH 096/241] wl18xx: derive the MAC address from the BD_ADDR in fuse ROM Add the get_mac operation in order to fetch the BD_ADDR from fuse ROM, so that we can derive the WLAN MAC addresses from it. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 18 ++++++++++++++++++ drivers/net/wireless/ti/wl18xx/reg.h | 3 +++ 2 files changed, 21 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index df407be9ed44..52d63ff1d352 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -975,6 +975,23 @@ static int wl18xx_plt_init(struct wl1271 *wl) return wl->ops->boot(wl); } +static void wl18xx_get_mac(struct wl1271 *wl) +{ + u32 mac1, mac2; + + wlcore_set_partition(wl, &wl->ptable[PART_TOP_PRCM_ELP_SOC]); + + mac1 = wl1271_read32(wl, WL18XX_REG_FUSE_BD_ADDR_1); + mac2 = wl1271_read32(wl, WL18XX_REG_FUSE_BD_ADDR_2); + + /* these are the two parts of the BD_ADDR */ + wl->fuse_oui_addr = ((mac2 & 0xffff) << 8) + + ((mac1 & 0xff000000) >> 24); + wl->fuse_nic_addr = (mac1 & 0xffffff); + + wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -994,6 +1011,7 @@ static struct wlcore_ops wl18xx_ops = { .set_rx_csum = wl18xx_set_rx_csum, .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, + .get_mac = wl18xx_get_mac, }; /* HT cap appropriate for wide channels */ diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index aaedf91ed7b7..43863d35feb2 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -132,6 +132,9 @@ #define WL18XX_PG_VER_MASK 0x70 #define WL18XX_PG_VER_OFFSET 4 +#define WL18XX_REG_FUSE_BD_ADDR_1 0xA02602 +#define WL18XX_REG_FUSE_BD_ADDR_2 0xA02606 + #define WL18XX_CMD_MBOX_ADDRESS 0xB007B4 #define WL18XX_FW_STATUS_ADDR 0x50F8 From 1ddbc7d4c744eb24aa0d51ab1f4ad6b5c0fd0c02 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:56 +0300 Subject: [PATCH 097/241] wl18xx: add a module parameter to control 11a support In wl18xx we don't have an NVS yet, so we need to control whether 11a is supported with a module parameter for now. 11a support is enabled by default and can be changed by setting enable_11a to false when loading the module. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 52d63ff1d352..d4e331fb73e3 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -48,6 +48,7 @@ static bool dc2dc_param = false; static int n_antennas_2_param = 1; static int n_antennas_5_param = 1; static bool checksum_param = true; +static bool enable_11a_param = true; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -1097,6 +1098,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl18xx_ops.init_vif = NULL; } + wl->enable_11a = enable_11a_param; + wl18xx_conf_init(wl); return wlcore_probe(wl, pdev); @@ -1149,6 +1152,9 @@ MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) o module_param_named(checksum, checksum_param, bool, S_IRUSR); MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to true)"); +module_param_named(enable_11a, enable_11a_param, bool, S_IRUSR); +MODULE_PARM_DESC(enable_11a, "Enable 11a (5GHz): boolean (defaults to true)"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From df472894ab21814edf54a3cd81c8ae7066365e0e Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:57 +0300 Subject: [PATCH 098/241] wlcore: add module parameter to dump SDIO reads and writes In some cases we may want to dump all the SDIO data in order to get detailed information for debugging the communication with the firmware. Add printks to dump the data and a module parameter to enable/disable it. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/sdio.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/sdio.c b/drivers/net/wireless/ti/wlcore/sdio.c index 1082e394e8f7..c67ec482e445 100644 --- a/drivers/net/wireless/ti/wlcore/sdio.c +++ b/drivers/net/wireless/ti/wlcore/sdio.c @@ -33,6 +33,7 @@ #include #include #include +#include #include "wlcore.h" #include "wl12xx_80211.h" @@ -46,6 +47,8 @@ #define SDIO_DEVICE_ID_TI_WL1271 0x4076 #endif +static bool dump = false; + struct wl12xx_sdio_glue { struct device *dev; struct platform_device *core; @@ -77,6 +80,13 @@ static void wl12xx_sdio_raw_read(struct device *child, int addr, void *buf, sdio_claim_host(func); + if (unlikely(dump)) { + printk(KERN_DEBUG "wlcore_sdio: READ from 0x%04x\n", addr); + print_hex_dump(KERN_DEBUG, "wlcore_sdio: READ ", + DUMP_PREFIX_OFFSET, 16, 1, + buf, len, false); + } + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { ((u8 *)buf)[0] = sdio_f0_readb(func, addr, &ret); dev_dbg(child->parent, "sdio read 52 addr 0x%x, byte 0x%02x\n", @@ -106,6 +116,13 @@ static void wl12xx_sdio_raw_write(struct device *child, int addr, void *buf, sdio_claim_host(func); + if (unlikely(dump)) { + printk(KERN_DEBUG "wlcore_sdio: WRITE to 0x%04x\n", addr); + print_hex_dump(KERN_DEBUG, "wlcore_sdio: WRITE ", + DUMP_PREFIX_OFFSET, 16, 1, + buf, len, false); + } + if (unlikely(addr == HW_ACCESS_ELP_CTRL_REG)) { sdio_f0_writeb(func, ((u8 *)buf)[0], addr, &ret); dev_dbg(child->parent, "sdio write 52 addr 0x%x, byte 0x%02x\n", @@ -380,6 +397,9 @@ static void __exit wl1271_exit(void) module_init(wl1271_init); module_exit(wl1271_exit); +module_param(dump, bool, S_IRUSR | S_IWUSR); +MODULE_PARM_DESC(dump, "Enable sdio read/write dumps."); + MODULE_LICENSE("GPL"); MODULE_AUTHOR("Luciano Coelho "); MODULE_AUTHOR("Juuso Oikarinen "); From 776f030aa0ed65fbc266219fb858bbfc909d97d2 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:58 +0300 Subject: [PATCH 099/241] wl18xx: copy the default configuration before checking the board_type We were changing the low_band_component_type in the private configuration structure before copying the default values to it, so the change was overwritten and only took effect after HW recovery. Reported-by: Dror Erez Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index d4e331fb73e3..f5ec6f60db33 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1072,6 +1072,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, sizeof(wl18xx_mimo_ht_cap)); + wl18xx_conf_init(wl); + if (!board_type_param) { board_type_param = kstrdup("dvp", GFP_KERNEL); priv->board_type = BOARD_TYPE_DVP_18XX; @@ -1100,8 +1102,6 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->enable_11a = enable_11a_param; - wl18xx_conf_init(wl); - return wlcore_probe(wl, pdev); } From 4b9d2365d51e9726cd288dbeebf20a80d3ac8a38 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:13:59 +0300 Subject: [PATCH 100/241] wl18xx: changed default board_type to HDK Since the most common board we're using now is an HDK board, change the default board_type to hdk. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index f5ec6f60db33..aa227a17187e 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -43,7 +43,7 @@ #define WL18XX_RX_CHECKSUM_MASK 0x40 static char *ht_mode_param; -static char *board_type_param; +static char *board_type_param = "hdk"; static bool dc2dc_param = false; static int n_antennas_2_param = 1; static int n_antennas_5_param = 1; @@ -1074,10 +1074,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl18xx_conf_init(wl); - if (!board_type_param) { - board_type_param = kstrdup("dvp", GFP_KERNEL); - priv->board_type = BOARD_TYPE_DVP_18XX; - } else if (!strcmp(board_type_param, "fpga")) { + if (!strcmp(board_type_param, "fpga")) { priv->board_type = BOARD_TYPE_FPGA_18XX; } else if (!strcmp(board_type_param, "hdk")) { priv->board_type = BOARD_TYPE_HDK_18XX; @@ -1137,8 +1134,8 @@ module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR); MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or mimo"); module_param_named(board_type, board_type_param, charp, S_IRUSR); -MODULE_PARM_DESC(board_type, "Board type: fpga, hdk, evb, com8 or " - "dvp (default)"); +MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or " + "dvp"); module_param_named(dc2dc, dc2dc_param, bool, S_IRUSR); MODULE_PARM_DESC(dc2dc, "External DC2DC: boolean (defaults to false)"); From 4f64a1e93f4749ea2ecacb7e93485ef9607b4e48 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:00 +0300 Subject: [PATCH 101/241] wlcore: add space for private area when allocating fw_status When allocating the fw_status structure, the space for the lower-driver private area was missing. This was causing an illegal write outside the allocated area, which was causing random oopses around the kernel. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 395da0b3377b..bc33ee25f7d1 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -904,7 +904,8 @@ static void wl1271_fw_wakeup(struct wl1271 *wl) static int wl1271_setup(struct wl1271 *wl) { wl->fw_status_1 = kmalloc(WLCORE_FW_STATUS_1_LEN(wl->num_rx_desc) + - sizeof(*wl->fw_status_2), GFP_KERNEL); + sizeof(*wl->fw_status_2) + + wl->fw_status_priv_len, GFP_KERNEL); if (!wl->fw_status_1) return -ENOMEM; From 73d8a42464d3fd8de907d032a7dafa1d23d88490 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:01 +0300 Subject: [PATCH 102/241] wl18xx: change low_band_component_type value for COM8 Like HDK, COM8 uses 0x06 for the low_band_component_type as well. Hardcode the value for COM8 until this configuration can be done in the external configuration binary (to be implemented). Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index aa227a17187e..6047a6d90975 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1086,6 +1086,8 @@ int __devinit wl18xx_probe(struct platform_device *pdev) priv->board_type = BOARD_TYPE_EVB_18XX; } else if (!strcmp(board_type_param, "com8")) { priv->board_type = BOARD_TYPE_COM8_18XX; + /* HACK! Just for now we hardcode COM8 to 0x06 */ + priv->conf.phy.low_band_component_type = 0x06; } else { wl1271_error("invalid board type '%s'", board_type_param); wlcore_free_hw(wl); From 4afc37a0c1c58415ac3ad1c07afd8ebf81cb90c5 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:02 +0300 Subject: [PATCH 103/241] wlcore: reorder identify_chip and get_hw_info We can do get the HW information and identify the chip already at probe time. This makes it easier to mangle with the parameters during identify chip before registering the hardware with mac80211. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/main.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index bc33ee25f7d1..2e77f731c0a1 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -962,10 +962,6 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) if (wl1271_set_block_size(wl)) wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - ret = wl->ops->identify_chip(wl); - if (ret < 0) - goto out; - /* TODO: make sure the lower driver has set things up correctly */ ret = wl1271_setup(wl); @@ -4872,12 +4868,6 @@ static int wl1271_register_hw(struct wl1271 *wl) if (wl->mac80211_registered) return 0; - ret = wl12xx_get_hw_info(wl); - if (ret < 0) { - wl1271_error("couldn't get hw info"); - goto out; - } - ret = wl1271_fetch_nvs(wl); if (ret == 0) { /* NOTE: The wl->nvs->nvs element must be first, in @@ -5282,6 +5272,16 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev) } disable_irq(wl->irq); + ret = wl12xx_get_hw_info(wl); + if (ret < 0) { + wl1271_error("couldn't get hw info"); + goto out; + } + + ret = wl->ops->identify_chip(wl); + if (ret < 0) + goto out; + ret = wl1271_init_ieee80211(wl); if (ret) goto out_irq; From 7ae25da3967298199881c72ee476a1f9ec682fd8 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:03 +0300 Subject: [PATCH 104/241] wl18xx: disable MCS_13 for wl18xx PG 1.0 There are some problems with MCS_13 in PG 1.0 hardware. So we disable it when PG 1.0 is detected. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6047a6d90975..afa2334d0aea 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -588,6 +588,9 @@ static int wl18xx_identify_chip(struct wl1271 *wl) WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; + /* PG 1.0 has some problems with MCS_13, so disable it */ + wl->ht_cap.mcs.rx_mask[1] &= ~BIT(5); + /* TODO: need to blocksize alignment for RX/TX separately? */ break; default: @@ -914,6 +917,10 @@ static void wl18xx_set_rx_csum(struct wl1271 *wl, skb->ip_summed = CHECKSUM_UNNECESSARY; } +/* + * TODO: instead of having these two functions to get the rate mask, + * we should modify the wlvif->rate_set instead + */ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl, struct wl12xx_vif *wlvif) { @@ -940,6 +947,17 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, return CONF_TX_RATE_USE_WIDE_CHAN; } else { wl1271_debug(DEBUG_ACX, "using MIMO rate mask"); + + /* + * PG 1.0 has some problems with MCS_13, so disable it + * + * TODO: instead of hacking this in here, we should + * make it more general and change a bit in the + * wlvif->rate_set instead. + */ + if (wl->chip.id == CHIP_ID_185x_PG10) + return CONF_TX_MIMO_RATES & ~CONF_HW_BIT_RATE_MCS_13; + return CONF_TX_MIMO_RATES; } } From 62c2e579e008784b929abef27f5728db2a1d88bf Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:04 +0300 Subject: [PATCH 105/241] wlcore: update beacon and probe_resp templates when rates change When the data rates change, we get BSS_CHANGED_BASIC_RATES. At this point, we should update all the templates to match the new rates. We were changing some of the templates, but the beacon and the probe response templates were missing. [Remove redundant min_rate variable - Arik] Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/main.c | 173 +++++++++++++++----------- 1 file changed, 100 insertions(+), 73 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 2e77f731c0a1..c9ccf2757e2a 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3277,8 +3277,15 @@ static int wl1271_ap_set_probe_resp_tmpl(struct wl1271 *wl, u32 rates, skb->data, skb->len, 0, rates); - dev_kfree_skb(skb); + + if (ret < 0) + goto out; + + wl1271_debug(DEBUG_AP, "probe response updated"); + set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); + +out: return ret; } @@ -3383,6 +3390,87 @@ static int wl1271_bss_erp_info_changed(struct wl1271 *wl, return ret; } +static int wlcore_set_beacon_template(struct wl1271 *wl, + struct ieee80211_vif *vif, + bool is_ap) +{ + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); + struct ieee80211_hdr *hdr; + u32 min_rate; + int ret; + int ieoffset = offsetof(struct ieee80211_mgmt, + u.beacon.variable); + struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); + u16 tmpl_id; + + if (!beacon) { + ret = -EINVAL; + goto out; + } + + wl1271_debug(DEBUG_MASTER, "beacon updated"); + + ret = wl1271_ssid_set(vif, beacon, ieoffset); + if (ret < 0) { + dev_kfree_skb(beacon); + goto out; + } + min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); + tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : + CMD_TEMPL_BEACON; + ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, + beacon->data, + beacon->len, 0, + min_rate); + if (ret < 0) { + dev_kfree_skb(beacon); + goto out; + } + + /* + * In case we already have a probe-resp beacon set explicitly + * by usermode, don't use the beacon data. + */ + if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) + goto end_bcn; + + /* remove TIM ie from probe response */ + wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); + + /* + * remove p2p ie from probe response. + * the fw reponds to probe requests that don't include + * the p2p ie. probe requests with p2p ie will be passed, + * and will be responded by the supplicant (the spec + * forbids including the p2p ie when responding to probe + * requests that didn't include it). + */ + wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, + WLAN_OUI_TYPE_WFA_P2P, ieoffset); + + hdr = (struct ieee80211_hdr *) beacon->data; + hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | + IEEE80211_STYPE_PROBE_RESP); + if (is_ap) + ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, + beacon->data, + beacon->len, + min_rate); + else + ret = wl1271_cmd_template_set(wl, wlvif->role_id, + CMD_TEMPL_PROBE_RESPONSE, + beacon->data, + beacon->len, 0, + min_rate); +end_bcn: + dev_kfree_skb(beacon); + if (ret < 0) + goto out; + +out: + return ret; +} + static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, struct ieee80211_vif *vif, struct ieee80211_bss_conf *bss_conf, @@ -3401,81 +3489,12 @@ static int wl1271_bss_beacon_info_changed(struct wl1271 *wl, if ((changed & BSS_CHANGED_AP_PROBE_RESP) && is_ap) { u32 rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); - if (!wl1271_ap_set_probe_resp_tmpl(wl, rate, vif)) { - wl1271_debug(DEBUG_AP, "probe response updated"); - set_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags); - } + + wl1271_ap_set_probe_resp_tmpl(wl, rate, vif); } if ((changed & BSS_CHANGED_BEACON)) { - struct ieee80211_hdr *hdr; - u32 min_rate; - int ieoffset = offsetof(struct ieee80211_mgmt, - u.beacon.variable); - struct sk_buff *beacon = ieee80211_beacon_get(wl->hw, vif); - u16 tmpl_id; - - if (!beacon) { - ret = -EINVAL; - goto out; - } - - wl1271_debug(DEBUG_MASTER, "beacon updated"); - - ret = wl1271_ssid_set(vif, beacon, ieoffset); - if (ret < 0) { - dev_kfree_skb(beacon); - goto out; - } - min_rate = wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); - tmpl_id = is_ap ? CMD_TEMPL_AP_BEACON : - CMD_TEMPL_BEACON; - ret = wl1271_cmd_template_set(wl, wlvif->role_id, tmpl_id, - beacon->data, - beacon->len, 0, - min_rate); - if (ret < 0) { - dev_kfree_skb(beacon); - goto out; - } - - /* - * In case we already have a probe-resp beacon set explicitly - * by usermode, don't use the beacon data. - */ - if (test_bit(WLVIF_FLAG_AP_PROBE_RESP_SET, &wlvif->flags)) - goto end_bcn; - - /* remove TIM ie from probe response */ - wl12xx_remove_ie(beacon, WLAN_EID_TIM, ieoffset); - - /* - * remove p2p ie from probe response. - * the fw reponds to probe requests that don't include - * the p2p ie. probe requests with p2p ie will be passed, - * and will be responded by the supplicant (the spec - * forbids including the p2p ie when responding to probe - * requests that didn't include it). - */ - wl12xx_remove_vendor_ie(beacon, WLAN_OUI_WFA, - WLAN_OUI_TYPE_WFA_P2P, ieoffset); - - hdr = (struct ieee80211_hdr *) beacon->data; - hdr->frame_control = cpu_to_le16(IEEE80211_FTYPE_MGMT | - IEEE80211_STYPE_PROBE_RESP); - if (is_ap) - ret = wl1271_ap_set_probe_resp_tmpl_legacy(wl, vif, - beacon->data, - beacon->len, - min_rate); - else - ret = wl1271_cmd_template_set(wl, wlvif->role_id, - CMD_TEMPL_PROBE_RESPONSE, - beacon->data, - beacon->len, 0, - min_rate); -end_bcn: - dev_kfree_skb(beacon); + ret = wlcore_set_beacon_template(wl, vif, is_ap); if (ret < 0) goto out; } @@ -3512,6 +3531,14 @@ static void wl1271_bss_info_changed_ap(struct wl1271 *wl, ret = wl1271_ap_init_templates(wl, vif); if (ret < 0) goto out; + + ret = wl1271_ap_set_probe_resp_tmpl(wl, wlvif->basic_rate, vif); + if (ret < 0) + goto out; + + ret = wlcore_set_beacon_template(wl, vif, true); + if (ret < 0) + goto out; } ret = wl1271_bss_beacon_info_changed(wl, vif, bss_conf, changed); From 15e05bc0593328149f872a86fa2bb048b9997402 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:05 +0300 Subject: [PATCH 106/241] wlcore: use all AP basic rates as default Sometimes we get a BSS_CHANGED_BEACON_ENABLED event before the basic rates have been properly set. To avoid problems with the firmware not expecting to receive frames at rates that are not set during CMD_START_ROLE, we now start with all basic rates by default. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/main.c | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index c9ccf2757e2a..9589aa956bf7 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -1846,6 +1846,9 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) wl12xx_allocate_rate_policy(wl, &wlvif->sta.basic_rate_idx); wl12xx_allocate_rate_policy(wl, &wlvif->sta.ap_rate_idx); wl12xx_allocate_rate_policy(wl, &wlvif->sta.p2p_rate_idx); + wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; + wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; + wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; } else { /* init ap data */ wlvif->ap.bcast_hlid = WL12XX_INVALID_LINK_ID; @@ -1855,13 +1858,19 @@ static int wl12xx_init_vif_data(struct wl1271 *wl, struct ieee80211_vif *vif) for (i = 0; i < CONF_TX_MAX_AC_COUNT; i++) wl12xx_allocate_rate_policy(wl, &wlvif->ap.ucast_rate_idx[i]); + wlvif->basic_rate_set = CONF_TX_AP_ENABLED_RATES; + /* + * TODO: check if basic_rate shouldn't be + * wl1271_tx_min_rate_get(wl, wlvif->basic_rate_set); + * instead (the same thing for STA above). + */ + wlvif->basic_rate = CONF_TX_AP_ENABLED_RATES; + /* TODO: this seems to be used only for STA, check it */ + wlvif->rate_set = CONF_TX_AP_ENABLED_RATES; } wlvif->bitrate_masks[IEEE80211_BAND_2GHZ] = wl->conf.tx.basic_rate; wlvif->bitrate_masks[IEEE80211_BAND_5GHZ] = wl->conf.tx.basic_rate_5; - wlvif->basic_rate_set = CONF_TX_RATE_MASK_BASIC; - wlvif->basic_rate = CONF_TX_RATE_MASK_BASIC; - wlvif->rate_set = CONF_TX_RATE_MASK_BASIC; wlvif->beacon_int = WL1271_DEFAULT_BEACON_INT; /* From 4987257c304bf5d12e7a5cedde1100ba7f14a8a3 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:06 +0300 Subject: [PATCH 107/241] wlcore: abstract debugfs fw_stats to be handled by the lower drivers The FW statistics differ from hardware to hardware. This commit prepares for hardware-specific implementation of the FW statistics debugfs entries. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/acx.c | 4 +- drivers/net/wireless/ti/wlcore/acx.h | 224 +---------------- drivers/net/wireless/ti/wlcore/debugfs.c | 279 ++-------------------- drivers/net/wireless/ti/wlcore/debugfs.h | 60 +++++ drivers/net/wireless/ti/wlcore/hw_ops.h | 9 + drivers/net/wireless/ti/wlcore/wlcore.h | 10 + drivers/net/wireless/ti/wlcore/wlcore_i.h | 8 - 7 files changed, 104 insertions(+), 490 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/acx.c b/drivers/net/wireless/ti/wlcore/acx.c index fd33be7d5c94..b9ec42c83757 100644 --- a/drivers/net/wireless/ti/wlcore/acx.c +++ b/drivers/net/wireless/ti/wlcore/acx.c @@ -709,14 +709,14 @@ int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif, return ret; } -int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats) +int wl1271_acx_statistics(struct wl1271 *wl, void *stats) { int ret; wl1271_debug(DEBUG_ACX, "acx statistics"); ret = wl1271_cmd_interrogate(wl, ACX_STATISTICS, stats, - sizeof(*stats)); + wl->stats.fw_stats_len); if (ret < 0) { wl1271_warning("acx statistics failed: %d", ret); return -ENOMEM; diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index ff0c5ba8e8ff..8b3807b879d3 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -417,228 +417,6 @@ struct acx_ctsprotect { u8 padding[2]; } __packed; -struct acx_tx_statistics { - __le32 internal_desc_overflow; -} __packed; - -struct acx_rx_statistics { - __le32 out_of_mem; - __le32 hdr_overflow; - __le32 hw_stuck; - __le32 dropped; - __le32 fcs_err; - __le32 xfr_hint_trig; - __le32 path_reset; - __le32 reset_counter; -} __packed; - -struct acx_dma_statistics { - __le32 rx_requested; - __le32 rx_errors; - __le32 tx_requested; - __le32 tx_errors; -} __packed; - -struct acx_isr_statistics { - /* host command complete */ - __le32 cmd_cmplt; - - /* fiqisr() */ - __le32 fiqs; - - /* (INT_STS_ND & INT_TRIG_RX_HEADER) */ - __le32 rx_headers; - - /* (INT_STS_ND & INT_TRIG_RX_CMPLT) */ - __le32 rx_completes; - - /* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */ - __le32 rx_mem_overflow; - - /* (INT_STS_ND & INT_TRIG_S_RX_RDY) */ - __le32 rx_rdys; - - /* irqisr() */ - __le32 irqs; - - /* (INT_STS_ND & INT_TRIG_TX_PROC) */ - __le32 tx_procs; - - /* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */ - __le32 decrypt_done; - - /* (INT_STS_ND & INT_TRIG_DMA0) */ - __le32 dma0_done; - - /* (INT_STS_ND & INT_TRIG_DMA1) */ - __le32 dma1_done; - - /* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */ - __le32 tx_exch_complete; - - /* (INT_STS_ND & INT_TRIG_COMMAND) */ - __le32 commands; - - /* (INT_STS_ND & INT_TRIG_RX_PROC) */ - __le32 rx_procs; - - /* (INT_STS_ND & INT_TRIG_PM_802) */ - __le32 hw_pm_mode_changes; - - /* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */ - __le32 host_acknowledges; - - /* (INT_STS_ND & INT_TRIG_PM_PCI) */ - __le32 pci_pm; - - /* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */ - __le32 wakeups; - - /* (INT_STS_ND & INT_TRIG_LOW_RSSI) */ - __le32 low_rssi; -} __packed; - -struct acx_wep_statistics { - /* WEP address keys configured */ - __le32 addr_key_count; - - /* default keys configured */ - __le32 default_key_count; - - __le32 reserved; - - /* number of times that WEP key not found on lookup */ - __le32 key_not_found; - - /* number of times that WEP key decryption failed */ - __le32 decrypt_fail; - - /* WEP packets decrypted */ - __le32 packets; - - /* WEP decrypt interrupts */ - __le32 interrupt; -} __packed; - -#define ACX_MISSED_BEACONS_SPREAD 10 - -struct acx_pwr_statistics { - /* the amount of enters into power save mode (both PD & ELP) */ - __le32 ps_enter; - - /* the amount of enters into ELP mode */ - __le32 elp_enter; - - /* the amount of missing beacon interrupts to the host */ - __le32 missing_bcns; - - /* the amount of wake on host-access times */ - __le32 wake_on_host; - - /* the amount of wake on timer-expire */ - __le32 wake_on_timer_exp; - - /* the number of packets that were transmitted with PS bit set */ - __le32 tx_with_ps; - - /* the number of packets that were transmitted with PS bit clear */ - __le32 tx_without_ps; - - /* the number of received beacons */ - __le32 rcvd_beacons; - - /* the number of entering into PowerOn (power save off) */ - __le32 power_save_off; - - /* the number of entries into power save mode */ - __le16 enable_ps; - - /* - * the number of exits from power save, not including failed PS - * transitions - */ - __le16 disable_ps; - - /* - * the number of times the TSF counter was adjusted because - * of drift - */ - __le32 fix_tsf_ps; - - /* Gives statistics about the spread continuous missed beacons. - * The 16 LSB are dedicated for the PS mode. - * The 16 MSB are dedicated for the PS mode. - * cont_miss_bcns_spread[0] - single missed beacon. - * cont_miss_bcns_spread[1] - two continuous missed beacons. - * cont_miss_bcns_spread[2] - three continuous missed beacons. - * ... - * cont_miss_bcns_spread[9] - ten and more continuous missed beacons. - */ - __le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD]; - - /* the number of beacons in awake mode */ - __le32 rcvd_awake_beacons; -} __packed; - -struct acx_mic_statistics { - __le32 rx_pkts; - __le32 calc_failure; -} __packed; - -struct acx_aes_statistics { - __le32 encrypt_fail; - __le32 decrypt_fail; - __le32 encrypt_packets; - __le32 decrypt_packets; - __le32 encrypt_interrupt; - __le32 decrypt_interrupt; -} __packed; - -struct acx_event_statistics { - __le32 heart_beat; - __le32 calibration; - __le32 rx_mismatch; - __le32 rx_mem_empty; - __le32 rx_pool; - __le32 oom_late; - __le32 phy_transmit_error; - __le32 tx_stuck; -} __packed; - -struct acx_ps_statistics { - __le32 pspoll_timeouts; - __le32 upsd_timeouts; - __le32 upsd_max_sptime; - __le32 upsd_max_apturn; - __le32 pspoll_max_apturn; - __le32 pspoll_utilization; - __le32 upsd_utilization; -} __packed; - -struct acx_rxpipe_statistics { - __le32 rx_prep_beacon_drop; - __le32 descr_host_int_trig_rx_data; - __le32 beacon_buffer_thres_host_int_trig_rx_data; - __le32 missed_beacon_host_int_trig_rx_data; - __le32 tx_xfr_host_int_trig_rx_data; -} __packed; - -struct acx_statistics { - struct acx_header header; - - struct acx_tx_statistics tx; - struct acx_rx_statistics rx; - struct acx_dma_statistics dma; - struct acx_isr_statistics isr; - struct acx_wep_statistics wep; - struct acx_pwr_statistics pwr; - struct acx_aes_statistics aes; - struct acx_mic_statistics mic; - struct acx_event_statistics event; - struct acx_ps_statistics ps; - struct acx_rxpipe_statistics rxpipe; -} __packed; - struct acx_rate_class { __le32 enabled_rates; u8 short_retry_limit; @@ -1284,7 +1062,7 @@ int wl1271_acx_set_preamble(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum acx_preamble_type preamble); int wl1271_acx_cts_protect(struct wl1271 *wl, struct wl12xx_vif *wlvif, enum acx_ctsprotect_type ctsprotect); -int wl1271_acx_statistics(struct wl1271 *wl, struct acx_statistics *stats); +int wl1271_acx_statistics(struct wl1271 *wl, void *stats); int wl1271_acx_sta_rate_policies(struct wl1271 *wl, struct wl12xx_vif *wlvif); int wl1271_acx_ap_rate_policy(struct wl1271 *wl, struct conf_tx_rate_class *c, u8 idx); diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index d3775198d265..57c1eae24d63 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -25,6 +25,7 @@ #include #include +#include #include "wlcore.h" #include "debug.h" @@ -32,14 +33,15 @@ #include "ps.h" #include "io.h" #include "tx.h" +#include "hw_ops.h" /* ms */ #define WL1271_DEBUGFS_STATS_LIFETIME 1000 /* debugfs macros idea from mac80211 */ #define DEBUGFS_FORMAT_BUFFER_SIZE 100 -static int wl1271_format_buffer(char __user *userbuf, size_t count, - loff_t *ppos, char *fmt, ...) +int wl1271_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...) { va_list args; char buf[DEBUGFS_FORMAT_BUFFER_SIZE]; @@ -51,59 +53,9 @@ static int wl1271_format_buffer(char __user *userbuf, size_t count, return simple_read_from_buffer(userbuf, count, ppos, buf, res); } +EXPORT_SYMBOL_GPL(wl1271_format_buffer); -#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ -static ssize_t name## _read(struct file *file, char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct wl1271 *wl = file->private_data; \ - return wl1271_format_buffer(userbuf, count, ppos, \ - fmt "\n", ##value); \ -} \ - \ -static const struct file_operations name## _ops = { \ - .read = name## _read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - -#define DEBUGFS_ADD(name, parent) \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ - -#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ - do { \ - entry = debugfs_create_file(#name, 0400, parent, \ - wl, &prefix## _## name## _ops); \ - if (!entry || IS_ERR(entry)) \ - goto err; \ - } while (0); - -#define DEBUGFS_FWSTATS_FILE(sub, name, fmt) \ -static ssize_t sub## _ ##name## _read(struct file *file, \ - char __user *userbuf, \ - size_t count, loff_t *ppos) \ -{ \ - struct wl1271 *wl = file->private_data; \ - \ - wl1271_debugfs_update_stats(wl); \ - \ - return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ - wl->stats.fw_stats->sub.name); \ -} \ - \ -static const struct file_operations sub## _ ##name## _ops = { \ - .read = sub## _ ##name## _read, \ - .open = simple_open, \ - .llseek = generic_file_llseek, \ -}; - -#define DEBUGFS_FWSTATS_ADD(sub, name) \ - DEBUGFS_ADD(sub## _ ##name, stats) - -static void wl1271_debugfs_update_stats(struct wl1271 *wl) +void wl1271_debugfs_update_stats(struct wl1271 *wl) { int ret; @@ -125,97 +77,7 @@ static void wl1271_debugfs_update_stats(struct wl1271 *wl) out: mutex_unlock(&wl->mutex); } - -DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); - -DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); -DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u"); -DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u"); -DEBUGFS_FWSTATS_FILE(rx, dropped, "%u"); -DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u"); -DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u"); -DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u"); -DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u"); - -DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u"); -DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u"); -DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u"); -DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u"); - -DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u"); -DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u"); -DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u"); -DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u"); -DEBUGFS_FWSTATS_FILE(isr, commands, "%u"); -DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u"); -DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u"); -DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u"); -DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u"); -DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u"); -DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u"); - -DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u"); -DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u"); -/* skipping wep.reserved */ -DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u"); -DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(wep, packets, "%u"); -DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u"); - -DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u"); -DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u"); -/* skipping cont_miss_bcns_spread for now */ -DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u"); - -DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u"); -DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u"); - -DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u"); -DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u"); -DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u"); -DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u"); - -DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u"); -DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); -DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u"); -DEBUGFS_FWSTATS_FILE(event, oom_late, "%u"); -DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u"); -DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u"); - -DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u"); -DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u"); -DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u"); -DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u"); - -DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u"); -DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); +EXPORT_SYMBOL_GPL(wl1271_debugfs_update_stats); DEBUGFS_READONLY_FILE(retry_count, "%u", wl->stats.retry_count); DEBUGFS_READONLY_FILE(excessive_retries, "%u", @@ -1002,107 +864,10 @@ static const struct file_operations beacon_filtering_ops = { }; static int wl1271_debugfs_add_files(struct wl1271 *wl, - struct dentry *rootdir) + struct dentry *rootdir) { int ret = 0; - struct dentry *entry, *stats, *streaming; - - stats = debugfs_create_dir("fw-statistics", rootdir); - if (!stats || IS_ERR(stats)) { - entry = stats; - goto err; - } - - DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); - - DEBUGFS_FWSTATS_ADD(rx, out_of_mem); - DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); - DEBUGFS_FWSTATS_ADD(rx, hw_stuck); - DEBUGFS_FWSTATS_ADD(rx, dropped); - DEBUGFS_FWSTATS_ADD(rx, fcs_err); - DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); - DEBUGFS_FWSTATS_ADD(rx, path_reset); - DEBUGFS_FWSTATS_ADD(rx, reset_counter); - - DEBUGFS_FWSTATS_ADD(dma, rx_requested); - DEBUGFS_FWSTATS_ADD(dma, rx_errors); - DEBUGFS_FWSTATS_ADD(dma, tx_requested); - DEBUGFS_FWSTATS_ADD(dma, tx_errors); - - DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); - DEBUGFS_FWSTATS_ADD(isr, fiqs); - DEBUGFS_FWSTATS_ADD(isr, rx_headers); - DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); - DEBUGFS_FWSTATS_ADD(isr, rx_rdys); - DEBUGFS_FWSTATS_ADD(isr, irqs); - DEBUGFS_FWSTATS_ADD(isr, tx_procs); - DEBUGFS_FWSTATS_ADD(isr, decrypt_done); - DEBUGFS_FWSTATS_ADD(isr, dma0_done); - DEBUGFS_FWSTATS_ADD(isr, dma1_done); - DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); - DEBUGFS_FWSTATS_ADD(isr, commands); - DEBUGFS_FWSTATS_ADD(isr, rx_procs); - DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); - DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); - DEBUGFS_FWSTATS_ADD(isr, pci_pm); - DEBUGFS_FWSTATS_ADD(isr, wakeups); - DEBUGFS_FWSTATS_ADD(isr, low_rssi); - - DEBUGFS_FWSTATS_ADD(wep, addr_key_count); - DEBUGFS_FWSTATS_ADD(wep, default_key_count); - /* skipping wep.reserved */ - DEBUGFS_FWSTATS_ADD(wep, key_not_found); - DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); - DEBUGFS_FWSTATS_ADD(wep, packets); - DEBUGFS_FWSTATS_ADD(wep, interrupt); - - DEBUGFS_FWSTATS_ADD(pwr, ps_enter); - DEBUGFS_FWSTATS_ADD(pwr, elp_enter); - DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); - DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); - DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); - DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); - DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); - DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); - DEBUGFS_FWSTATS_ADD(pwr, power_save_off); - DEBUGFS_FWSTATS_ADD(pwr, enable_ps); - DEBUGFS_FWSTATS_ADD(pwr, disable_ps); - DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); - /* skipping cont_miss_bcns_spread for now */ - DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); - - DEBUGFS_FWSTATS_ADD(mic, rx_pkts); - DEBUGFS_FWSTATS_ADD(mic, calc_failure); - - DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); - DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); - - DEBUGFS_FWSTATS_ADD(event, heart_beat); - DEBUGFS_FWSTATS_ADD(event, calibration); - DEBUGFS_FWSTATS_ADD(event, rx_mismatch); - DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); - DEBUGFS_FWSTATS_ADD(event, rx_pool); - DEBUGFS_FWSTATS_ADD(event, oom_late); - DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); - DEBUGFS_FWSTATS_ADD(event, tx_stuck); - - DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); - DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); - DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); - DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); - DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); - DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); - DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); - - DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); - DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); - DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); + struct dentry *entry, *streaming; DEBUGFS_ADD(tx_queue_len, rootdir); DEBUGFS_ADD(retry_count, rootdir); @@ -1144,7 +909,7 @@ void wl1271_debugfs_reset(struct wl1271 *wl) if (!wl->stats.fw_stats) return; - memset(wl->stats.fw_stats, 0, sizeof(*wl->stats.fw_stats)); + memset(wl->stats.fw_stats, 0, wl->stats.fw_stats_len); wl->stats.retry_count = 0; wl->stats.excessive_retries = 0; } @@ -1159,34 +924,34 @@ int wl1271_debugfs_init(struct wl1271 *wl) if (IS_ERR(rootdir)) { ret = PTR_ERR(rootdir); - goto err; + goto out; } - wl->stats.fw_stats = kzalloc(sizeof(*wl->stats.fw_stats), - GFP_KERNEL); - + wl->stats.fw_stats = kzalloc(wl->stats.fw_stats_len, GFP_KERNEL); if (!wl->stats.fw_stats) { ret = -ENOMEM; - goto err_fw; + goto out_remove; } wl->stats.fw_stats_update = jiffies; ret = wl1271_debugfs_add_files(wl, rootdir); + if (ret < 0) + goto out_exit; + ret = wlcore_debugfs_init(wl, rootdir); if (ret < 0) - goto err_file; + goto out_exit; - return 0; + goto out; -err_file: - kfree(wl->stats.fw_stats); - wl->stats.fw_stats = NULL; +out_exit: + wl1271_debugfs_exit(wl); -err_fw: +out_remove: debugfs_remove_recursive(rootdir); -err: +out: return ret; } diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h index a8d3aef011ff..e1a5bf1972bb 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.h +++ b/drivers/net/wireless/ti/wlcore/debugfs.h @@ -26,8 +26,68 @@ #include "wlcore.h" +int wl1271_format_buffer(char __user *userbuf, size_t count, + loff_t *ppos, char *fmt, ...); + int wl1271_debugfs_init(struct wl1271 *wl); void wl1271_debugfs_exit(struct wl1271 *wl); void wl1271_debugfs_reset(struct wl1271 *wl); +void wl1271_debugfs_update_stats(struct wl1271 *wl); + +#define DEBUGFS_READONLY_FILE(name, fmt, value...) \ +static ssize_t name## _read(struct file *file, char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + return wl1271_format_buffer(userbuf, count, ppos, \ + fmt "\n", ##value); \ +} \ + \ +static const struct file_operations name## _ops = { \ + .read = name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_ADD(name, parent) \ + do { \ + entry = debugfs_create_file(#name, 0400, parent, \ + wl, &name## _ops); \ + if (!entry || IS_ERR(entry)) \ + goto err; \ + } while (0); + + +#define DEBUGFS_ADD_PREFIX(prefix, name, parent) \ + do { \ + entry = debugfs_create_file(#name, 0400, parent, \ + wl, &prefix## _## name## _ops); \ + if (!entry || IS_ERR(entry)) \ + goto err; \ + } while (0); + +#define DEBUGFS_FWSTATS_FILE(sub, name, fmt, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + struct struct_type *stats = wl->stats.fw_stats; \ + \ + wl1271_debugfs_update_stats(wl); \ + \ + return wl1271_format_buffer(userbuf, count, ppos, fmt "\n", \ + stats->sub.name); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + +#define DEBUGFS_FWSTATS_ADD(sub, name) \ + DEBUGFS_ADD(sub## _ ##name, stats) + #endif /* WL1271_DEBUGFS_H */ diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 6d3e378bd0c7..1555c3e12c1b 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -149,4 +149,13 @@ wlcore_hw_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, return 0; } +static inline int +wlcore_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) +{ + if (wl->ops->debugfs_init) + return wl->ops->debugfs_init(wl, rootdir); + + return 0; +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 9ca382918184..85fd3d9a5471 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -71,6 +71,7 @@ struct wlcore_ops { struct sk_buff *skb); u32 (*ap_get_mimo_wide_rate_mask)(struct wl1271 *wl, struct wl12xx_vif *wlvif); + int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir); }; enum wlcore_partitions { @@ -119,6 +120,15 @@ enum wlcore_registers { REG_TABLE_LEN, }; +struct wl1271_stats { + void *fw_stats; + unsigned long fw_stats_update; + size_t fw_stats_len; + + unsigned int retry_count; + unsigned int excessive_retries; +}; + struct wl1271 { struct ieee80211_hw *hw; bool mac80211_registered; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 0422753f673c..45c07dc0df5d 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -132,14 +132,6 @@ struct wl1271_chip { unsigned int fw_ver[NUM_FW_VER]; }; -struct wl1271_stats { - struct acx_statistics *fw_stats; - unsigned long fw_stats_update; - - unsigned int retry_count; - unsigned int excessive_retries; -}; - #define NUM_TX_QUEUES 4 #define AP_MAX_STATIONS 8 From bcca1bbdd412fb6be32d04fc2407c81239de5f8c Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:07 +0300 Subject: [PATCH 108/241] wlcore: add debugfs macro to help print fw statistics arrays Add a macro to make it easy to print arrays from the FW statistics array in debugfs. At the same time, increase the buffer size so arrays fit more easily. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/debugfs.c | 1 - drivers/net/wireless/ti/wlcore/debugfs.h | 27 ++++++++++++++++++++++++ 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index 57c1eae24d63..fc44262e4cf0 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -39,7 +39,6 @@ #define WL1271_DEBUGFS_STATS_LIFETIME 1000 /* debugfs macros idea from mac80211 */ -#define DEBUGFS_FORMAT_BUFFER_SIZE 100 int wl1271_format_buffer(char __user *userbuf, size_t count, loff_t *ppos, char *fmt, ...) { diff --git a/drivers/net/wireless/ti/wlcore/debugfs.h b/drivers/net/wireless/ti/wlcore/debugfs.h index e1a5bf1972bb..f7381dd69009 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.h +++ b/drivers/net/wireless/ti/wlcore/debugfs.h @@ -34,6 +34,8 @@ void wl1271_debugfs_exit(struct wl1271 *wl); void wl1271_debugfs_reset(struct wl1271 *wl); void wl1271_debugfs_update_stats(struct wl1271 *wl); +#define DEBUGFS_FORMAT_BUFFER_SIZE 256 + #define DEBUGFS_READONLY_FILE(name, fmt, value...) \ static ssize_t name## _read(struct file *file, char __user *userbuf, \ size_t count, loff_t *ppos) \ @@ -86,6 +88,31 @@ static const struct file_operations sub## _ ##name## _ops = { \ .llseek = generic_file_llseek, \ }; +#define DEBUGFS_FWSTATS_FILE_ARRAY(sub, name, len, struct_type) \ +static ssize_t sub## _ ##name## _read(struct file *file, \ + char __user *userbuf, \ + size_t count, loff_t *ppos) \ +{ \ + struct wl1271 *wl = file->private_data; \ + struct struct_type *stats = wl->stats.fw_stats; \ + char buf[DEBUGFS_FORMAT_BUFFER_SIZE] = ""; \ + int res, i; \ + \ + wl1271_debugfs_update_stats(wl); \ + \ + for (i = 0; i < len; i++) \ + res = snprintf(buf, sizeof(buf), "%s[%d] = %d\n", \ + buf, i, stats->sub.name[i]); \ + \ + return wl1271_format_buffer(userbuf, count, ppos, "%s", buf); \ +} \ + \ +static const struct file_operations sub## _ ##name## _ops = { \ + .read = sub## _ ##name## _read, \ + .open = simple_open, \ + .llseek = generic_file_llseek, \ +}; + #define DEBUGFS_FWSTATS_ADD(sub, name) \ DEBUGFS_ADD(sub## _ ##name, stats) From 10b1e8a27a45559df7d02c864081e929369d83bf Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:08 +0300 Subject: [PATCH 109/241] wl12xx: implement fw status debugfs entries Implement the operations that are necessary to fetch the wl12xx-specific FW statistics. Re-add some of the code removed from wlcore. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/Makefile | 2 +- drivers/net/wireless/ti/wl12xx/acx.h | 223 +++++++++++++++++++++ drivers/net/wireless/ti/wl12xx/debugfs.c | 236 +++++++++++++++++++++++ drivers/net/wireless/ti/wl12xx/debugfs.h | 28 +++ drivers/net/wireless/ti/wl12xx/main.c | 8 + 5 files changed, 496 insertions(+), 1 deletion(-) create mode 100644 drivers/net/wireless/ti/wl12xx/debugfs.c create mode 100644 drivers/net/wireless/ti/wl12xx/debugfs.h diff --git a/drivers/net/wireless/ti/wl12xx/Makefile b/drivers/net/wireless/ti/wl12xx/Makefile index 87f64b14db35..da509aa7d009 100644 --- a/drivers/net/wireless/ti/wl12xx/Makefile +++ b/drivers/net/wireless/ti/wl12xx/Makefile @@ -1,3 +1,3 @@ -wl12xx-objs = main.o cmd.o acx.o +wl12xx-objs = main.o cmd.o acx.o debugfs.o obj-$(CONFIG_WL12XX) += wl12xx.o diff --git a/drivers/net/wireless/ti/wl12xx/acx.h b/drivers/net/wireless/ti/wl12xx/acx.h index d1f5aba0afce..1be0f2d31b19 100644 --- a/drivers/net/wireless/ti/wl12xx/acx.h +++ b/drivers/net/wireless/ti/wl12xx/acx.h @@ -24,6 +24,7 @@ #define __WL12XX_ACX_H__ #include "../wlcore/wlcore.h" +#include "../wlcore/acx.h" struct wl1271_acx_host_config_bitmap { struct acx_header header; @@ -31,6 +32,228 @@ struct wl1271_acx_host_config_bitmap { __le32 host_cfg_bitmap; } __packed; +struct wl12xx_acx_tx_statistics { + __le32 internal_desc_overflow; +} __packed; + +struct wl12xx_acx_rx_statistics { + __le32 out_of_mem; + __le32 hdr_overflow; + __le32 hw_stuck; + __le32 dropped; + __le32 fcs_err; + __le32 xfr_hint_trig; + __le32 path_reset; + __le32 reset_counter; +} __packed; + +struct wl12xx_acx_dma_statistics { + __le32 rx_requested; + __le32 rx_errors; + __le32 tx_requested; + __le32 tx_errors; +} __packed; + +struct wl12xx_acx_isr_statistics { + /* host command complete */ + __le32 cmd_cmplt; + + /* fiqisr() */ + __le32 fiqs; + + /* (INT_STS_ND & INT_TRIG_RX_HEADER) */ + __le32 rx_headers; + + /* (INT_STS_ND & INT_TRIG_RX_CMPLT) */ + __le32 rx_completes; + + /* (INT_STS_ND & INT_TRIG_NO_RX_BUF) */ + __le32 rx_mem_overflow; + + /* (INT_STS_ND & INT_TRIG_S_RX_RDY) */ + __le32 rx_rdys; + + /* irqisr() */ + __le32 irqs; + + /* (INT_STS_ND & INT_TRIG_TX_PROC) */ + __le32 tx_procs; + + /* (INT_STS_ND & INT_TRIG_DECRYPT_DONE) */ + __le32 decrypt_done; + + /* (INT_STS_ND & INT_TRIG_DMA0) */ + __le32 dma0_done; + + /* (INT_STS_ND & INT_TRIG_DMA1) */ + __le32 dma1_done; + + /* (INT_STS_ND & INT_TRIG_TX_EXC_CMPLT) */ + __le32 tx_exch_complete; + + /* (INT_STS_ND & INT_TRIG_COMMAND) */ + __le32 commands; + + /* (INT_STS_ND & INT_TRIG_RX_PROC) */ + __le32 rx_procs; + + /* (INT_STS_ND & INT_TRIG_PM_802) */ + __le32 hw_pm_mode_changes; + + /* (INT_STS_ND & INT_TRIG_ACKNOWLEDGE) */ + __le32 host_acknowledges; + + /* (INT_STS_ND & INT_TRIG_PM_PCI) */ + __le32 pci_pm; + + /* (INT_STS_ND & INT_TRIG_ACM_WAKEUP) */ + __le32 wakeups; + + /* (INT_STS_ND & INT_TRIG_LOW_RSSI) */ + __le32 low_rssi; +} __packed; + +struct wl12xx_acx_wep_statistics { + /* WEP address keys configured */ + __le32 addr_key_count; + + /* default keys configured */ + __le32 default_key_count; + + __le32 reserved; + + /* number of times that WEP key not found on lookup */ + __le32 key_not_found; + + /* number of times that WEP key decryption failed */ + __le32 decrypt_fail; + + /* WEP packets decrypted */ + __le32 packets; + + /* WEP decrypt interrupts */ + __le32 interrupt; +} __packed; + +#define ACX_MISSED_BEACONS_SPREAD 10 + +struct wl12xx_acx_pwr_statistics { + /* the amount of enters into power save mode (both PD & ELP) */ + __le32 ps_enter; + + /* the amount of enters into ELP mode */ + __le32 elp_enter; + + /* the amount of missing beacon interrupts to the host */ + __le32 missing_bcns; + + /* the amount of wake on host-access times */ + __le32 wake_on_host; + + /* the amount of wake on timer-expire */ + __le32 wake_on_timer_exp; + + /* the number of packets that were transmitted with PS bit set */ + __le32 tx_with_ps; + + /* the number of packets that were transmitted with PS bit clear */ + __le32 tx_without_ps; + + /* the number of received beacons */ + __le32 rcvd_beacons; + + /* the number of entering into PowerOn (power save off) */ + __le32 power_save_off; + + /* the number of entries into power save mode */ + __le16 enable_ps; + + /* + * the number of exits from power save, not including failed PS + * transitions + */ + __le16 disable_ps; + + /* + * the number of times the TSF counter was adjusted because + * of drift + */ + __le32 fix_tsf_ps; + + /* Gives statistics about the spread continuous missed beacons. + * The 16 LSB are dedicated for the PS mode. + * The 16 MSB are dedicated for the PS mode. + * cont_miss_bcns_spread[0] - single missed beacon. + * cont_miss_bcns_spread[1] - two continuous missed beacons. + * cont_miss_bcns_spread[2] - three continuous missed beacons. + * ... + * cont_miss_bcns_spread[9] - ten and more continuous missed beacons. + */ + __le32 cont_miss_bcns_spread[ACX_MISSED_BEACONS_SPREAD]; + + /* the number of beacons in awake mode */ + __le32 rcvd_awake_beacons; +} __packed; + +struct wl12xx_acx_mic_statistics { + __le32 rx_pkts; + __le32 calc_failure; +} __packed; + +struct wl12xx_acx_aes_statistics { + __le32 encrypt_fail; + __le32 decrypt_fail; + __le32 encrypt_packets; + __le32 decrypt_packets; + __le32 encrypt_interrupt; + __le32 decrypt_interrupt; +} __packed; + +struct wl12xx_acx_event_statistics { + __le32 heart_beat; + __le32 calibration; + __le32 rx_mismatch; + __le32 rx_mem_empty; + __le32 rx_pool; + __le32 oom_late; + __le32 phy_transmit_error; + __le32 tx_stuck; +} __packed; + +struct wl12xx_acx_ps_statistics { + __le32 pspoll_timeouts; + __le32 upsd_timeouts; + __le32 upsd_max_sptime; + __le32 upsd_max_apturn; + __le32 pspoll_max_apturn; + __le32 pspoll_utilization; + __le32 upsd_utilization; +} __packed; + +struct wl12xx_acx_rxpipe_statistics { + __le32 rx_prep_beacon_drop; + __le32 descr_host_int_trig_rx_data; + __le32 beacon_buffer_thres_host_int_trig_rx_data; + __le32 missed_beacon_host_int_trig_rx_data; + __le32 tx_xfr_host_int_trig_rx_data; +} __packed; + +struct wl12xx_acx_statistics { + struct acx_header header; + + struct wl12xx_acx_tx_statistics tx; + struct wl12xx_acx_rx_statistics rx; + struct wl12xx_acx_dma_statistics dma; + struct wl12xx_acx_isr_statistics isr; + struct wl12xx_acx_wep_statistics wep; + struct wl12xx_acx_pwr_statistics pwr; + struct wl12xx_acx_aes_statistics aes; + struct wl12xx_acx_mic_statistics mic; + struct wl12xx_acx_event_statistics event; + struct wl12xx_acx_ps_statistics ps; + struct wl12xx_acx_rxpipe_statistics rxpipe; +} __packed; + int wl1271_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap); #endif /* __WL12XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c new file mode 100644 index 000000000000..9cc79d8e647b --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/debugfs.c @@ -0,0 +1,236 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2009 Nokia Corporation + * Copyright (C) 2011-2012 Texas Instruments + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/debugfs.h" +#include "../wlcore/wlcore.h" + +#include "wl12xx.h" +#include "acx.h" + +#define WL12XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ + DEBUGFS_FWSTATS_FILE(a, b, c, wl12xx_acx_statistics) + +WL12XX_DEBUGFS_FWSTATS_FILE(tx, internal_desc_overflow, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(rx, out_of_mem, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, hdr_overflow, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, hw_stuck, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, dropped, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, fcs_err, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, xfr_hint_trig, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, path_reset, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rx, reset_counter, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(dma, rx_requested, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, rx_errors, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, tx_requested, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(dma, tx_errors, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(isr, cmd_cmplt, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, fiqs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_headers, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_mem_overflow, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_rdys, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, tx_procs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, decrypt_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, dma0_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, dma1_done, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, tx_exch_complete, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, commands, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, rx_procs, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, hw_pm_mode_changes, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, host_acknowledges, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, pci_pm, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, wakeups, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(isr, low_rssi, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(wep, addr_key_count, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, default_key_count, "%u"); +/* skipping wep.reserved */ +WL12XX_DEBUGFS_FWSTATS_FILE(wep, key_not_found, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, decrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(wep, interrupt, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, ps_enter, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, elp_enter, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, wake_on_host, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, wake_on_timer_exp, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, tx_with_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, tx_without_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_beacons, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, power_save_off, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, enable_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, disable_ps, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, fix_tsf_ps, "%u"); +/* skipping cont_miss_bcns_spread for now */ +WL12XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_beacons, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(mic, rx_pkts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(mic, calc_failure, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_fail, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_packets, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, encrypt_interrupt, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(aes, decrypt_interrupt, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(event, heart_beat, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, rx_pool, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, oom_late, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, phy_transmit_error, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(event, tx_stuck, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_timeouts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_timeouts, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_max_sptime, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_max_apturn, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_max_apturn, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, pspoll_utilization, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(ps, upsd_utilization, "%u"); + +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, rx_prep_beacon_drop, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, descr_host_int_trig_rx_data, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, beacon_buffer_thres_host_int_trig_rx_data, + "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, missed_beacon_host_int_trig_rx_data, "%u"); +WL12XX_DEBUGFS_FWSTATS_FILE(rxpipe, tx_xfr_host_int_trig_rx_data, "%u"); + +int wl12xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) +{ + int ret = 0; + struct dentry *entry, *stats; + + stats = debugfs_create_dir("wl12xx_fw_stats", rootdir); + if (!stats || IS_ERR(stats)) { + entry = stats; + goto err; + } + + DEBUGFS_FWSTATS_ADD(tx, internal_desc_overflow); + + DEBUGFS_FWSTATS_ADD(rx, out_of_mem); + DEBUGFS_FWSTATS_ADD(rx, hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, hw_stuck); + DEBUGFS_FWSTATS_ADD(rx, dropped); + DEBUGFS_FWSTATS_ADD(rx, fcs_err); + DEBUGFS_FWSTATS_ADD(rx, xfr_hint_trig); + DEBUGFS_FWSTATS_ADD(rx, path_reset); + DEBUGFS_FWSTATS_ADD(rx, reset_counter); + + DEBUGFS_FWSTATS_ADD(dma, rx_requested); + DEBUGFS_FWSTATS_ADD(dma, rx_errors); + DEBUGFS_FWSTATS_ADD(dma, tx_requested); + DEBUGFS_FWSTATS_ADD(dma, tx_errors); + + DEBUGFS_FWSTATS_ADD(isr, cmd_cmplt); + DEBUGFS_FWSTATS_ADD(isr, fiqs); + DEBUGFS_FWSTATS_ADD(isr, rx_headers); + DEBUGFS_FWSTATS_ADD(isr, rx_mem_overflow); + DEBUGFS_FWSTATS_ADD(isr, rx_rdys); + DEBUGFS_FWSTATS_ADD(isr, irqs); + DEBUGFS_FWSTATS_ADD(isr, tx_procs); + DEBUGFS_FWSTATS_ADD(isr, decrypt_done); + DEBUGFS_FWSTATS_ADD(isr, dma0_done); + DEBUGFS_FWSTATS_ADD(isr, dma1_done); + DEBUGFS_FWSTATS_ADD(isr, tx_exch_complete); + DEBUGFS_FWSTATS_ADD(isr, commands); + DEBUGFS_FWSTATS_ADD(isr, rx_procs); + DEBUGFS_FWSTATS_ADD(isr, hw_pm_mode_changes); + DEBUGFS_FWSTATS_ADD(isr, host_acknowledges); + DEBUGFS_FWSTATS_ADD(isr, pci_pm); + DEBUGFS_FWSTATS_ADD(isr, wakeups); + DEBUGFS_FWSTATS_ADD(isr, low_rssi); + + DEBUGFS_FWSTATS_ADD(wep, addr_key_count); + DEBUGFS_FWSTATS_ADD(wep, default_key_count); + /* skipping wep.reserved */ + DEBUGFS_FWSTATS_ADD(wep, key_not_found); + DEBUGFS_FWSTATS_ADD(wep, decrypt_fail); + DEBUGFS_FWSTATS_ADD(wep, packets); + DEBUGFS_FWSTATS_ADD(wep, interrupt); + + DEBUGFS_FWSTATS_ADD(pwr, ps_enter); + DEBUGFS_FWSTATS_ADD(pwr, elp_enter); + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_host); + DEBUGFS_FWSTATS_ADD(pwr, wake_on_timer_exp); + DEBUGFS_FWSTATS_ADD(pwr, tx_with_ps); + DEBUGFS_FWSTATS_ADD(pwr, tx_without_ps); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_beacons); + DEBUGFS_FWSTATS_ADD(pwr, power_save_off); + DEBUGFS_FWSTATS_ADD(pwr, enable_ps); + DEBUGFS_FWSTATS_ADD(pwr, disable_ps); + DEBUGFS_FWSTATS_ADD(pwr, fix_tsf_ps); + /* skipping cont_miss_bcns_spread for now */ + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_beacons); + + DEBUGFS_FWSTATS_ADD(mic, rx_pkts); + DEBUGFS_FWSTATS_ADD(mic, calc_failure); + + DEBUGFS_FWSTATS_ADD(aes, encrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, decrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, encrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, decrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, encrypt_interrupt); + DEBUGFS_FWSTATS_ADD(aes, decrypt_interrupt); + + DEBUGFS_FWSTATS_ADD(event, heart_beat); + DEBUGFS_FWSTATS_ADD(event, calibration); + DEBUGFS_FWSTATS_ADD(event, rx_mismatch); + DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); + DEBUGFS_FWSTATS_ADD(event, rx_pool); + DEBUGFS_FWSTATS_ADD(event, oom_late); + DEBUGFS_FWSTATS_ADD(event, phy_transmit_error); + DEBUGFS_FWSTATS_ADD(event, tx_stuck); + + DEBUGFS_FWSTATS_ADD(ps, pspoll_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_timeouts); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_sptime); + DEBUGFS_FWSTATS_ADD(ps, upsd_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_max_apturn); + DEBUGFS_FWSTATS_ADD(ps, pspoll_utilization); + DEBUGFS_FWSTATS_ADD(ps, upsd_utilization); + + DEBUGFS_FWSTATS_ADD(rxpipe, rx_prep_beacon_drop); + DEBUGFS_FWSTATS_ADD(rxpipe, descr_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, beacon_buffer_thres_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, missed_beacon_host_int_trig_rx_data); + DEBUGFS_FWSTATS_ADD(rxpipe, tx_xfr_host_int_trig_rx_data); + + return 0; + +err: + if (IS_ERR(entry)) + ret = PTR_ERR(entry); + else + ret = -ENOMEM; + + return ret; +} diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.h b/drivers/net/wireless/ti/wl12xx/debugfs.h new file mode 100644 index 000000000000..96898e291b78 --- /dev/null +++ b/drivers/net/wireless/ti/wl12xx/debugfs.h @@ -0,0 +1,28 @@ +/* + * This file is part of wl12xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL12XX_DEBUGFS_H__ +#define __WL12XX_DEBUGFS_H__ + +int wl12xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir); + +#endif /* __WL12XX_DEBUGFS_H__ */ diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 82e0c6a6ac89..2ac840783551 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -39,6 +39,7 @@ #include "reg.h" #include "cmd.h" #include "acx.h" +#include "debugfs.h" static char *fref_param; static char *tcxo_param; @@ -1359,6 +1360,11 @@ static int wl12xx_plt_init(struct wl1271 *wl) return ret; } +static int wl12xx_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) +{ + return wl12xx_debugfs_add_files(wl, rootdir); +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, @@ -1381,6 +1387,7 @@ static struct wlcore_ops wl12xx_ops = { .set_tx_desc_csum = wl12xx_set_tx_desc_csum, .set_rx_csum = NULL, .ap_get_mimo_wide_rate_mask = NULL, + .debugfs_init = wl12xx_debugfs_init, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { @@ -1422,6 +1429,7 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = 0; + wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics); memcpy(&wl->ht_cap, &wl12xx_ht_cap, sizeof(wl12xx_ht_cap)); wl12xx_conf_init(wl); From 8c0ea1021c38cfd2f0ba5d8fdd48a9e9827bbc03 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:09 +0300 Subject: [PATCH 110/241] wl18xx: implement fw status debugfs entries Implement the operations that are necessary to fetch the wl18xx-specific FW statistics and export them in debugfs. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/debugfs.c | 1 + drivers/net/wireless/ti/wl18xx/Makefile | 2 +- drivers/net/wireless/ti/wl18xx/acx.h | 199 ++++++++++++- drivers/net/wireless/ti/wl18xx/debugfs.c | 345 +++++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/debugfs.h | 28 ++ drivers/net/wireless/ti/wl18xx/main.c | 9 +- 6 files changed, 581 insertions(+), 3 deletions(-) create mode 100644 drivers/net/wireless/ti/wl18xx/debugfs.c create mode 100644 drivers/net/wireless/ti/wl18xx/debugfs.h diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c index 9cc79d8e647b..311703d5af84 100644 --- a/drivers/net/wireless/ti/wl12xx/debugfs.c +++ b/drivers/net/wireless/ti/wl12xx/debugfs.c @@ -25,6 +25,7 @@ #include "wl12xx.h" #include "acx.h" +#include "debugfs.h" #define WL12XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ DEBUGFS_FWSTATS_FILE(a, b, c, wl12xx_acx_statistics) diff --git a/drivers/net/wireless/ti/wl18xx/Makefile b/drivers/net/wireless/ti/wl18xx/Makefile index abd881f4ea01..67c098734c7f 100644 --- a/drivers/net/wireless/ti/wl18xx/Makefile +++ b/drivers/net/wireless/ti/wl18xx/Makefile @@ -1,3 +1,3 @@ -wl18xx-objs = main.o acx.o tx.o io.o +wl18xx-objs = main.o acx.o tx.o io.o debugfs.o obj-$(CONFIG_WL18XX) += wl18xx.o diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index 544db6ef3841..c2ccf70bcfb3 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -23,6 +23,7 @@ #define __WL18XX_ACX_H__ #include "../wlcore/wlcore.h" +#include "../wlcore/acx.h" /* numbers of bits the length field takes (add 1 for the actual number) */ #define WL18XX_HOST_IF_LEN_SIZE_FIELD 15 @@ -60,9 +61,205 @@ struct wl18xx_acx_checksum_state { u8 pad[3]; } __packed; +struct wl18xx_acx_debug_stats { + u32 debug1; + u32 debug2; + u32 debug3; + u32 debug4; + u32 debug5; + u32 debug6; +} __packed; + +struct wl18xx_acx_ring_stats { + u32 tx_procs; + u32 prepared_descs; + u32 tx_xfr; + u32 tx_dma; + u32 tx_cmplt; + u32 rx_procs; + u32 rx_data; +} __packed; + +struct wl18xx_acx_tx_stats { + u32 tx_template_prepared; + u32 tx_data_prepared; + u32 tx_template_programmed; + u32 tx_data_programmed; + u32 tx_burst_programmed; + u32 tx_starts; + u32 tx_imm_resp; + u32 tx_start_templates; + u32 tx_start_int_templates; + u32 tx_start_fw_gen; + u32 tx_start_data; + u32 tx_start_null_frame; + u32 tx_exch; + u32 tx_retry_template; + u32 tx_retry_data; + u32 tx_exch_pending; + u32 tx_exch_expiry; + u32 tx_exch_mismatch; + u32 tx_done_template; + u32 tx_done_data; + u32 tx_done_int_template; + u32 tx_pre_xfr; + u32 tx_xfr; + u32 tx_xfr_out_of_mem; + u32 tx_dma_programmed; + u32 tx_dma_done; +} __packed; + +struct wl18xx_acx_rx_stats { + u32 rx_out_of_mem; + u32 rx_hdr_overflow; + u32 rx_hw_stuck; + u32 rx_dropped_frame; + u32 rx_complete_dropped_frame; + u32 rx_alloc_frame; + u32 rx_done_queue; + u32 rx_done; + u32 rx_defrag; + u32 rx_defrag_end; + u32 rx_mic; + u32 rx_mic_end; + u32 rx_xfr; + u32 rx_xfr_end; + u32 rx_cmplt; + u32 rx_pre_complt; + u32 rx_cmplt_task; + u32 rx_phy_hdr; + u32 rx_timeout; +} __packed; + +struct wl18xx_acx_dma_stats { + u32 rx_dma_errors; + u32 tx_dma_errors; +} __packed; + +struct wl18xx_acx_isr_stats { + u32 irqs; +} __packed; + +struct wl18xx_acx_wep_stats { + u32 wep_add_key_count; + u32 wep_default_key_count; + u32 wep_key_not_found; + u32 wep_decrypt_fail; + u32 wep_encrypt_fail; + u32 wep_dec_packets; + u32 wep_dec_interrupt; + u32 wep_enc_packets; + u32 wep_enc_interrupts; +} __packed; + +#define PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD 10 + +struct wl18xx_acx_pwr_stats { + u32 missing_bcns_cnt; + u32 rcvd_bcns_cnt; + u32 connection_out_of_sync; + u32 cont_miss_bcns_spread[PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD]; + u32 rcvd_awake_bcns_cnt; +} __packed; + +struct wl18xx_acx_mic_stats { + u32 mic_rx_pkts; + u32 mic_calc_failure; +} __packed; + +struct wl18xx_acx_aes_stats { + u32 aes_encrypt_fail; + u32 aes_decrypt_fail; + u32 aes_encrypt_packets; + u32 aes_decrypt_packets; + u32 aes_encrypt_interrupt; + u32 aes_decrypt_interrupt; +} __packed; + +struct wl18xx_acx_gem_stats { + u32 gem_encrypt_fail; + u32 gem_decrypt_fail; + u32 gem_encrypt_packets; + u32 gem_decrypt_packets; + u32 gem_encrypt_interrupt; + u32 gem_decrypt_interrupt; +} __packed; + +struct wl18xx_acx_event_stats { + u32 calibration; + u32 rx_mismatch; + u32 rx_mem_empty; +} __packed; + +struct wl18xx_acx_ps_poll_stats { + u32 ps_poll_timeouts; + u32 upsd_timeouts; + u32 upsd_max_ap_turn; + u32 ps_poll_max_ap_turn; + u32 ps_poll_utilization; + u32 upsd_utilization; +} __packed; + +struct wl18xx_acx_rx_filter_stats { + u32 beacon_filter; + u32 arp_filter; + u32 mc_filter; + u32 dup_filter; + u32 data_filter; + u32 ibss_filter; + u32 protection_filter; +} __packed; + +struct wl18xx_acx_calibration_stats { + u32 init_cal_total; + u32 init_radio_bands_fail; + u32 init_set_params; + u32 init_tx_clpc_fail; + u32 init_rx_iw_mm_fail; + u32 tune_cal_total; + u32 tune_drpw_rtrim_fail; + u32 tune_drpw_pd_buf_fail; + u32 tune_drpw_tx_mix_freq_fail; + u32 tune_drpw_ta_cal; + u32 tune_drpw_rx_if_2_gain; + u32 tune_drpw_rx_dac; + u32 tune_drpw_chan_tune; + u32 tune_drpw_rx_tx_lpf; + u32 tune_drpw_lna_tank; + u32 tune_tx_lo_leak_fail; + u32 tune_tx_iq_mm_fail; + u32 tune_tx_pdet_fail; + u32 tune_tx_ppa_fail; + u32 tune_tx_clpc_fail; + u32 tune_rx_ana_dc_fail; + u32 tune_rx_dig_dc_fail; /* check if this is needed */ + u32 tune_rx_iq_mm_fail; + u32 cal_state_fail; +} __packed; + +struct wl18xx_acx_statistics { + struct acx_header header; + + struct wl18xx_acx_ring_stats ring; + struct wl18xx_acx_debug_stats debug; + struct wl18xx_acx_tx_stats tx; + struct wl18xx_acx_rx_stats rx; + struct wl18xx_acx_dma_stats dma; + struct wl18xx_acx_isr_stats isr; + struct wl18xx_acx_wep_stats wep; + struct wl18xx_acx_pwr_stats pwr; + struct wl18xx_acx_aes_stats aes; + struct wl18xx_acx_mic_stats mic; + struct wl18xx_acx_event_stats event; + struct wl18xx_acx_ps_poll_stats ps_poll; + struct wl18xx_acx_rx_filter_stats rx_filter; + struct wl18xx_acx_calibration_stats calibration; + struct wl18xx_acx_gem_stats gem; +} __packed; + int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, u32 sdio_blk_size, u32 extra_mem_blks, u32 len_field_size); int wl18xx_acx_set_checksum_state(struct wl1271 *wl); -#endif /* __WL12XX_ACX_H__ */ +#endif /* __WL18XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c new file mode 100644 index 000000000000..8354dfc64bd8 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -0,0 +1,345 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2009 Nokia Corporation + * Copyright (C) 2011-2012 Texas Instruments + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#include "../wlcore/debugfs.h" +#include "../wlcore/wlcore.h" + +#include "wl18xx.h" +#include "acx.h" +#include "debugfs.h" + +#define WL18XX_DEBUGFS_FWSTATS_FILE(a, b, c) \ + DEBUGFS_FWSTATS_FILE(a, b, c, wl18xx_acx_statistics) +#define WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c) \ + DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c, wl18xx_acx_statistics) + +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug1, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug2, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug3, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug4, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug5, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug6, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_procs, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, prepared_descs, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_xfr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_dma, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_cmplt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, rx_procs, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ring, rx_data, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_prepared, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_prepared, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_burst_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_starts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_imm_resp, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_templates, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_int_templates, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_fw_gen, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_start_null_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_pending, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_expiry, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_mismatch, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_data, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_int_template, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_pre_xfr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_xfr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_xfr_out_of_mem, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_dma_programmed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_dma_done, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mem, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hdr_overflow, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hw_stuck, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_dropped_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_complete_dropped_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_alloc_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done_queue, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag_end, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_mic, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_mic_end, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_xfr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_xfr_end, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_pre_complt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt_task, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_phy_hdr, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(dma, rx_dma_errors, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(dma, tx_dma_errors, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_add_key_count, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_default_key_count, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_key_not_found, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_decrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_encrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_dec_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_dec_interrupt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_enc_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_enc_interrupts, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns_cnt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_bcns_cnt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, connection_out_of_sync, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pwr, cont_miss_bcns_spread, + PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD); +WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_bcns_cnt, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(mic, mic_rx_pkts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mic, mic_calc_failure, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_interrupt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_interrupt, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_packets, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_interrupt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_interrupt, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_timeouts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_timeouts, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_max_ap_turn, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_max_ap_turn, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_utilization, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_utilization, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, beacon_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, arp_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, mc_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, dup_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, data_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, ibss_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_cal_total, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_radio_bands_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_set_params, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_tx_clpc_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_rx_iw_mm_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_cal_total, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rtrim_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_pd_buf_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_tx_mix_freq_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_ta_cal, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_if_2_gain, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_dac, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_chan_tune, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_tx_lpf, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_lna_tank, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_lo_leak_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_iq_mm_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_pdet_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_ppa_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_clpc_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_ana_dc_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_dig_dc_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_iq_mm_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(calibration, cal_state_fail, "%u"); + +int wl18xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir) +{ + int ret = 0; + struct dentry *entry, *stats; + + stats = debugfs_create_dir("wl18xx_fw_stats", rootdir); + if (!stats || IS_ERR(stats)) { + entry = stats; + goto err; + } + + DEBUGFS_FWSTATS_ADD(debug, debug1); + DEBUGFS_FWSTATS_ADD(debug, debug2); + DEBUGFS_FWSTATS_ADD(debug, debug3); + DEBUGFS_FWSTATS_ADD(debug, debug4); + DEBUGFS_FWSTATS_ADD(debug, debug5); + DEBUGFS_FWSTATS_ADD(debug, debug6); + + DEBUGFS_FWSTATS_ADD(ring, tx_procs); + DEBUGFS_FWSTATS_ADD(ring, prepared_descs); + DEBUGFS_FWSTATS_ADD(ring, tx_xfr); + DEBUGFS_FWSTATS_ADD(ring, tx_dma); + DEBUGFS_FWSTATS_ADD(ring, tx_cmplt); + DEBUGFS_FWSTATS_ADD(ring, rx_procs); + DEBUGFS_FWSTATS_ADD(ring, rx_data); + + DEBUGFS_FWSTATS_ADD(tx, tx_template_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_data_prepared); + DEBUGFS_FWSTATS_ADD(tx, tx_template_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_data_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_burst_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_starts); + DEBUGFS_FWSTATS_ADD(tx, tx_imm_resp); + DEBUGFS_FWSTATS_ADD(tx, tx_start_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_int_templates); + DEBUGFS_FWSTATS_ADD(tx, tx_start_fw_gen); + DEBUGFS_FWSTATS_ADD(tx, tx_start_data); + DEBUGFS_FWSTATS_ADD(tx, tx_start_null_frame); + DEBUGFS_FWSTATS_ADD(tx, tx_exch); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_template); + DEBUGFS_FWSTATS_ADD(tx, tx_retry_data); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_pending); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_expiry); + DEBUGFS_FWSTATS_ADD(tx, tx_exch_mismatch); + DEBUGFS_FWSTATS_ADD(tx, tx_done_template); + DEBUGFS_FWSTATS_ADD(tx, tx_done_data); + DEBUGFS_FWSTATS_ADD(tx, tx_done_int_template); + DEBUGFS_FWSTATS_ADD(tx, tx_pre_xfr); + DEBUGFS_FWSTATS_ADD(tx, tx_xfr); + DEBUGFS_FWSTATS_ADD(tx, tx_xfr_out_of_mem); + DEBUGFS_FWSTATS_ADD(tx, tx_dma_programmed); + DEBUGFS_FWSTATS_ADD(tx, tx_dma_done); + + DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mem); + DEBUGFS_FWSTATS_ADD(rx, rx_hdr_overflow); + DEBUGFS_FWSTATS_ADD(rx, rx_hw_stuck); + DEBUGFS_FWSTATS_ADD(rx, rx_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_complete_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_alloc_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_done_queue); + DEBUGFS_FWSTATS_ADD(rx, rx_done); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag); + DEBUGFS_FWSTATS_ADD(rx, rx_defrag_end); + DEBUGFS_FWSTATS_ADD(rx, rx_mic); + DEBUGFS_FWSTATS_ADD(rx, rx_mic_end); + DEBUGFS_FWSTATS_ADD(rx, rx_xfr); + DEBUGFS_FWSTATS_ADD(rx, rx_xfr_end); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt); + DEBUGFS_FWSTATS_ADD(rx, rx_pre_complt); + DEBUGFS_FWSTATS_ADD(rx, rx_cmplt_task); + DEBUGFS_FWSTATS_ADD(rx, rx_phy_hdr); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout); + + DEBUGFS_FWSTATS_ADD(dma, rx_dma_errors); + DEBUGFS_FWSTATS_ADD(dma, tx_dma_errors); + + DEBUGFS_FWSTATS_ADD(isr, irqs); + + DEBUGFS_FWSTATS_ADD(wep, wep_add_key_count); + DEBUGFS_FWSTATS_ADD(wep, wep_default_key_count); + DEBUGFS_FWSTATS_ADD(wep, wep_key_not_found); + DEBUGFS_FWSTATS_ADD(wep, wep_decrypt_fail); + DEBUGFS_FWSTATS_ADD(wep, wep_encrypt_fail); + DEBUGFS_FWSTATS_ADD(wep, wep_dec_packets); + DEBUGFS_FWSTATS_ADD(wep, wep_dec_interrupt); + DEBUGFS_FWSTATS_ADD(wep, wep_enc_packets); + DEBUGFS_FWSTATS_ADD(wep, wep_enc_interrupts); + + DEBUGFS_FWSTATS_ADD(pwr, missing_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_bcns_cnt); + DEBUGFS_FWSTATS_ADD(pwr, connection_out_of_sync); + DEBUGFS_FWSTATS_ADD(pwr, cont_miss_bcns_spread); + DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_bcns_cnt); + + DEBUGFS_FWSTATS_ADD(mic, mic_rx_pkts); + DEBUGFS_FWSTATS_ADD(mic, mic_calc_failure); + + DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_fail); + DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_packets); + DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_interrupt); + DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_interrupt); + + DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_fail); + DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_fail); + DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_packets); + DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_packets); + DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_interrupt); + DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_interrupt); + + DEBUGFS_FWSTATS_ADD(event, calibration); + DEBUGFS_FWSTATS_ADD(event, rx_mismatch); + DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); + + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_timeouts); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_timeouts); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_max_ap_turn); + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_max_ap_turn); + DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_utilization); + DEBUGFS_FWSTATS_ADD(ps_poll, upsd_utilization); + + DEBUGFS_FWSTATS_ADD(rx_filter, beacon_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, arp_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, mc_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, dup_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, data_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, ibss_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, protection_filter); + + DEBUGFS_FWSTATS_ADD(calibration, init_cal_total); + DEBUGFS_FWSTATS_ADD(calibration, init_radio_bands_fail); + DEBUGFS_FWSTATS_ADD(calibration, init_set_params); + DEBUGFS_FWSTATS_ADD(calibration, init_tx_clpc_fail); + DEBUGFS_FWSTATS_ADD(calibration, init_rx_iw_mm_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_cal_total); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rtrim_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_pd_buf_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_tx_mix_freq_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_ta_cal); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_if_2_gain); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_dac); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_chan_tune); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_tx_lpf); + DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_lna_tank); + DEBUGFS_FWSTATS_ADD(calibration, tune_tx_lo_leak_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_tx_iq_mm_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_tx_pdet_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_tx_ppa_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_tx_clpc_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_rx_ana_dc_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_rx_dig_dc_fail); + DEBUGFS_FWSTATS_ADD(calibration, tune_rx_iq_mm_fail); + DEBUGFS_FWSTATS_ADD(calibration, cal_state_fail); + + return 0; + +err: + if (IS_ERR(entry)) + ret = PTR_ERR(entry); + else + ret = -ENOMEM; + + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.h b/drivers/net/wireless/ti/wl18xx/debugfs.h new file mode 100644 index 000000000000..ed679bebf620 --- /dev/null +++ b/drivers/net/wireless/ti/wl18xx/debugfs.h @@ -0,0 +1,28 @@ +/* + * This file is part of wl18xx + * + * Copyright (C) 2012 Texas Instruments. All rights reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * version 2 as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA + * 02110-1301 USA + * + */ + +#ifndef __WL18XX_DEBUGFS_H__ +#define __WL18XX_DEBUGFS_H__ + +int wl18xx_debugfs_add_files(struct wl1271 *wl, + struct dentry *rootdir); + +#endif /* __WL18XX_DEBUGFS_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index afa2334d0aea..24673e37a1dd 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -38,7 +38,7 @@ #include "tx.h" #include "wl18xx.h" #include "io.h" - +#include "debugfs.h" #define WL18XX_RX_CHECKSUM_MASK 0x40 @@ -1011,6 +1011,11 @@ static void wl18xx_get_mac(struct wl1271 *wl) wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); } +static int wl18xx_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) +{ + return wl18xx_debugfs_add_files(wl, rootdir); +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -1031,6 +1036,7 @@ static struct wlcore_ops wl18xx_ops = { .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, .get_mac = wl18xx_get_mac, + .debugfs_init = wl18xx_debugfs_init, }; /* HT cap appropriate for wide channels */ @@ -1085,6 +1091,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); + wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics); memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); if (ht_mode_param && !strcmp(ht_mode_param, "mimo")) memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, From 7140df6e51ecca70e8963f18e9836e62090221c2 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:10 +0300 Subject: [PATCH 111/241] wlcore: create private static_data area and add operation to parse it The wl18xx firmware has more information in the static_data than wl12xx. To be able to parse that in an abstracted way, this patch adds a priv area to the static data struct and an operation that allows the lower driver to parse it if necessary. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/boot.c | 53 ++++++++++++++----------- drivers/net/wireless/ti/wlcore/boot.h | 1 + drivers/net/wireless/ti/wlcore/hw_ops.h | 9 +++++ drivers/net/wireless/ti/wlcore/wlcore.h | 6 +++ 4 files changed, 46 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index 9b98230f84ce..ed718f7ddcce 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -45,10 +45,17 @@ static void wl1271_boot_set_ecpu_ctrl(struct wl1271 *wl, u32 flag) wlcore_write_reg(wl, REG_ECPU_CONTROL, cpu_ctrl); } -static int wlcore_parse_fw_ver(struct wl1271 *wl) +static int wlcore_boot_parse_fw_ver(struct wl1271 *wl, + struct wl1271_static_data *static_data) { int ret; + strncpy(wl->chip.fw_ver_str, static_data->fw_version, + sizeof(wl->chip.fw_ver_str)); + + /* make sure the string is NULL-terminated */ + wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; + ret = sscanf(wl->chip.fw_ver_str + 4, "%u.%u.%u.%u.%u", &wl->chip.fw_ver[0], &wl->chip.fw_ver[1], &wl->chip.fw_ver[2], &wl->chip.fw_ver[3], @@ -57,43 +64,43 @@ static int wlcore_parse_fw_ver(struct wl1271 *wl) if (ret != 5) { wl1271_warning("fw version incorrect value"); memset(wl->chip.fw_ver, 0, sizeof(wl->chip.fw_ver)); - return -EINVAL; + ret = -EINVAL; + goto out; } ret = wlcore_identify_fw(wl); if (ret < 0) - return ret; - - return 0; + goto out; +out: + return ret; } -static int wlcore_boot_fw_version(struct wl1271 *wl) +static int wlcore_boot_static_data(struct wl1271 *wl) { struct wl1271_static_data *static_data; + size_t len = sizeof(*static_data) + wl->static_data_priv_len; int ret; - static_data = kmalloc(sizeof(*static_data), GFP_KERNEL | GFP_DMA); + static_data = kmalloc(len, GFP_KERNEL); if (!static_data) { - wl1271_error("Couldn't allocate memory for static data!"); - return -ENOMEM; + ret = -ENOMEM; + goto out; } - wl1271_read(wl, wl->cmd_box_addr, static_data, sizeof(*static_data), - false); + wl1271_read(wl, wl->cmd_box_addr, static_data, len, false); - strncpy(wl->chip.fw_ver_str, static_data->fw_version, - sizeof(wl->chip.fw_ver_str)); - - kfree(static_data); - - /* make sure the string is NULL-terminated */ - wl->chip.fw_ver_str[sizeof(wl->chip.fw_ver_str) - 1] = '\0'; + ret = wlcore_boot_parse_fw_ver(wl, static_data); + if (ret < 0) + goto out_free; - ret = wlcore_parse_fw_ver(wl); + ret = wlcore_handle_static_data(wl, static_data); if (ret < 0) - return ret; + goto out_free; - return 0; +out_free: + kfree(static_data); +out: + return ret; } static int wl1271_boot_upload_firmware_chunk(struct wl1271 *wl, void *buf, @@ -400,9 +407,9 @@ int wlcore_boot_run_firmware(struct wl1271 *wl) wl1271_debug(DEBUG_MAILBOX, "MBOX ptrs: 0x%x 0x%x", wl->mbox_ptr[0], wl->mbox_ptr[1]); - ret = wlcore_boot_fw_version(wl); + ret = wlcore_boot_static_data(wl); if (ret < 0) { - wl1271_error("couldn't boot firmware"); + wl1271_error("error getting static data"); return ret; } diff --git a/drivers/net/wireless/ti/wlcore/boot.h b/drivers/net/wireless/ti/wlcore/boot.h index 094981dd2227..a525225f990c 100644 --- a/drivers/net/wireless/ti/wlcore/boot.h +++ b/drivers/net/wireless/ti/wlcore/boot.h @@ -40,6 +40,7 @@ struct wl1271_static_data { u8 fw_version[WL1271_FW_VERSION_MAX_LEN]; u32 hw_version; u8 tx_power_table[WL1271_NO_SUBBANDS][WL1271_NO_POWER_LEVELS]; + u8 priv[0]; }; /* number of times we try to read the INIT interrupt */ diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 1555c3e12c1b..c590b6f529d1 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -158,4 +158,13 @@ wlcore_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) return 0; } +static inline int +wlcore_handle_static_data(struct wl1271 *wl, void *static_data) +{ + if (wl->ops->handle_static_data) + return wl->ops->handle_static_data(wl, static_data); + + return 0; +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 85fd3d9a5471..19678738a069 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -26,6 +26,7 @@ #include "wlcore_i.h" #include "event.h" +#include "boot.h" /* The maximum number of Tx descriptors in all chip families */ #define WLCORE_MAX_TX_DESCRIPTORS 32 @@ -72,6 +73,8 @@ struct wlcore_ops { u32 (*ap_get_mimo_wide_rate_mask)(struct wl1271 *wl, struct wl12xx_vif *wlvif); int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir); + int (*handle_static_data)(struct wl1271 *wl, + struct wl1271_static_data *static_data); }; enum wlcore_partitions { @@ -373,6 +376,9 @@ struct wl1271 { /* RX Data filter rule state - enabled/disabled */ bool rx_filter_enabled[WL1271_MAX_RX_FILTERS]; + /* size of the private static data */ + size_t static_data_priv_len; + /* the current channel type */ enum nl80211_channel_type channel_type; }; From 283e8c425f6eab2002457c27a5182869bb414771 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:11 +0300 Subject: [PATCH 112/241] wl18xx: print the PHY firmware version from the private static data The wl18xx firmware writes the PHY firmware version in the static data. Add an operation to parse the static data and print the PHY firmware version when booting. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 13 +++++++++++++ drivers/net/wireless/ti/wl18xx/wl18xx.h | 6 ++++++ 2 files changed, 19 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 24673e37a1dd..8262a4f7a10f 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1016,6 +1016,17 @@ static int wl18xx_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) return wl18xx_debugfs_add_files(wl, rootdir); } +static int wl18xx_handle_static_data(struct wl1271 *wl, + struct wl1271_static_data *static_data) +{ + struct wl18xx_static_data_priv *static_data_priv = + (struct wl18xx_static_data_priv *) static_data->priv; + + wl1271_info("PHY firmware version: %s", static_data_priv->phy_version); + + return 0; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -1037,6 +1048,7 @@ static struct wlcore_ops wl18xx_ops = { .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, .get_mac = wl18xx_get_mac, .debugfs_init = wl18xx_debugfs_init, + .handle_static_data = wl18xx_handle_static_data, }; /* HT cap appropriate for wide channels */ @@ -1092,6 +1104,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics); + wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv); memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); if (ht_mode_param && !strcmp(ht_mode_param, "mimo")) memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 75abb5b48c6e..34e202bc2bb3 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -56,6 +56,12 @@ struct wl18xx_fw_status_priv { u8 padding[2]; }; +#define WL18XX_PHY_VERSION_MAX_LEN 20 + +struct wl18xx_static_data_priv { + char phy_version[WL18XX_PHY_VERSION_MAX_LEN]; +}; + struct wl18xx_clk_cfg { u32 n; u32 m; From 06bba80e711b9b66e9316d4d228b55f768c27749 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:12 +0300 Subject: [PATCH 113/241] wlcore: print the interrupt status when recovery is triggered In some cases it may be useful for debugging to check what is the status of the interrupt register when a hardware recovery happens. Print the contents of REG_INTERRUPT_NO_CLEAR (aka. HINT_STS_RAW) when recovery starts. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/main.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 9589aa956bf7..00a482199a32 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -836,9 +836,11 @@ static void wl1271_recovery_work(struct work_struct *work) /* change partitions momentarily so we can read the FW pc */ wlcore_set_partition(wl, &wl->ptable[PART_BOOT]); - wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x", + wl1271_info("Hardware recovery in progress. FW ver: %s pc: 0x%x " + "hint_sts: 0x%08x", wl->chip.fw_ver_str, - wlcore_read_reg(wl, REG_PC_ON_RECOVERY)); + wlcore_read_reg(wl, REG_PC_ON_RECOVERY), + wlcore_read_reg(wl, REG_INTERRUPT_NO_CLEAR)); wlcore_set_partition(wl, &wl->ptable[PART_WORK]); BUG_ON(bug_on_recovery && From 174a73034cdbe2bb2784c9963e75d196364c348e Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:13 +0300 Subject: [PATCH 114/241] wl18xx: don't use MIMO when ht_mode is set to wide If the wl18xx module is loaded with ht_mode=wide (the default), we shouldn't use MIMO rates when the channel type is not HT40. Fix this by checking the ht_mode before deciding which rates to used. Additionally, set the ht_mode parameter explicitly to "wide" as the default. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 13 ++++++++----- 1 file changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 8262a4f7a10f..6a81edf702eb 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -42,7 +42,7 @@ #define WL18XX_RX_CHECKSUM_MASK 0x40 -static char *ht_mode_param; +static char *ht_mode_param = "wide"; static char *board_type_param = "hdk"; static bool dc2dc_param = false; static int n_antennas_2_param = 1; @@ -941,11 +941,12 @@ static u32 wl18xx_sta_get_ap_rate_mask(struct wl1271 *wl, static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - if (wlvif->channel_type == NL80211_CHAN_HT40MINUS || - wlvif->channel_type == NL80211_CHAN_HT40PLUS) { + if ((wlvif->channel_type == NL80211_CHAN_HT40MINUS || + wlvif->channel_type == NL80211_CHAN_HT40PLUS) && + !strcmp(ht_mode_param, "wide")) { wl1271_debug(DEBUG_ACX, "using wide channel rate mask"); return CONF_TX_RATE_USE_WIDE_CHAN; - } else { + } else if (!strcmp(ht_mode_param, "mimo")) { wl1271_debug(DEBUG_ACX, "using MIMO rate mask"); /* @@ -959,6 +960,8 @@ static u32 wl18xx_ap_get_mimo_wide_rate_mask(struct wl1271 *wl, return CONF_TX_MIMO_RATES & ~CONF_HW_BIT_RATE_MCS_13; return CONF_TX_MIMO_RATES; + } else { + return 0; } } @@ -1106,7 +1109,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics); wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv); memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); - if (ht_mode_param && !strcmp(ht_mode_param, "mimo")) + if (!strcmp(ht_mode_param, "mimo")) memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, sizeof(wl18xx_mimo_ht_cap)); From 60462b4885450410df03cf3829367b285baf9ab8 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:14 +0300 Subject: [PATCH 115/241] wlcore: use proper values for supported local rates We were setting all the rates bits when starting the AP role. Instead of doing this, we should set only the rates we really support (eg. MIMO rates or wide-channel rates). This commit changes that so that we always use the default rates (basic rates + MCS0-7) and add the values returned by the ap_get_mimo_wide_rate_mask operation. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/cmd.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 5c4756047098..5b14446ece4a 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -36,6 +36,7 @@ #include "cmd.h" #include "event.h" #include "tx.h" +#include "hw_ops.h" #define WL1271_CMD_FAST_POLL_COUNT 50 @@ -500,6 +501,7 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) struct wl12xx_cmd_role_start *cmd; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; + u32 supported_rates; int ret; wl1271_debug(DEBUG_CMD, "cmd role start ap %d", wlvif->role_id); @@ -550,7 +552,13 @@ int wl12xx_cmd_role_start_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif) memcpy(cmd->ap.ssid, bss_conf->ssid, bss_conf->ssid_len); } - cmd->ap.local_rates = cpu_to_le32(0xffffffff); + supported_rates = CONF_TX_AP_ENABLED_RATES | CONF_TX_MCS_RATES | + wlcore_hw_ap_get_mimo_wide_rate_mask(wl, wlvif); + + wl1271_debug(DEBUG_CMD, "cmd role start ap with supported_rates 0x%08x", + supported_rates); + + cmd->ap.local_rates = cpu_to_le32(supported_rates); switch (wlvif->band) { case IEEE80211_BAND_2GHZ: From 8334271882b46e4bc15337ed27428be121156165 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:15 +0300 Subject: [PATCH 116/241] wl18xx: add module parameter to force SISO 20MHz In some cases it may be useful to force narrow-band SISO channels. Add a new value to the ht_mode module parameter to force the device to operate in SISO 20MHz. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 38 ++++++++++++++++++++++----- 1 file changed, 32 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6a81edf702eb..07955984face 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1055,7 +1055,7 @@ static struct wlcore_ops wl18xx_ops = { }; /* HT cap appropriate for wide channels */ -static struct ieee80211_sta_ht_cap wl18xx_ht_cap = { +static struct ieee80211_sta_ht_cap wl18xx_siso40_ht_cap = { .cap = IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_SGI_40 | IEEE80211_HT_CAP_SUP_WIDTH_20_40 | IEEE80211_HT_CAP_DSSSCCK40, .ht_supported = true, @@ -1068,6 +1068,19 @@ static struct ieee80211_sta_ht_cap wl18xx_ht_cap = { }, }; +/* HT cap appropriate for SISO 20 */ +static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = { + .cap = IEEE80211_HT_CAP_SGI_20, + .ht_supported = true, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, + .mcs = { + .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + .rx_highest = cpu_to_le16(72), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, +}; + /* HT cap appropriate for MIMO rates in 20mhz channel */ static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap = { .cap = IEEE80211_HT_CAP_SGI_20, @@ -1108,10 +1121,20 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->fw_status_priv_len = sizeof(struct wl18xx_fw_status_priv); wl->stats.fw_stats_len = sizeof(struct wl18xx_acx_statistics); wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv); - memcpy(&wl->ht_cap, &wl18xx_ht_cap, sizeof(wl18xx_ht_cap)); - if (!strcmp(ht_mode_param, "mimo")) + + if (!strcmp(ht_mode_param, "wide")) { + memcpy(&wl->ht_cap, &wl18xx_siso40_ht_cap, + sizeof(wl18xx_siso40_ht_cap)); + } else if (!strcmp(ht_mode_param, "mimo")) { memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, sizeof(wl18xx_mimo_ht_cap)); + } else if (!strcmp(ht_mode_param, "siso20")) { + memcpy(&wl->ht_cap, &wl18xx_siso20_ht_cap, + sizeof(wl18xx_siso20_ht_cap)); + } else { + wl1271_error("invalid ht_mode '%s'", ht_mode_param); + goto out_free; + } wl18xx_conf_init(wl); @@ -1131,8 +1154,7 @@ int __devinit wl18xx_probe(struct platform_device *pdev) priv->conf.phy.low_band_component_type = 0x06; } else { wl1271_error("invalid board type '%s'", board_type_param); - wlcore_free_hw(wl); - return -EINVAL; + goto out_free; } if (!checksum_param) { @@ -1143,6 +1165,10 @@ int __devinit wl18xx_probe(struct platform_device *pdev) wl->enable_11a = enable_11a_param; return wlcore_probe(wl, pdev); + +out_free: + wlcore_free_hw(wl); + return -EINVAL; } static const struct platform_device_id wl18xx_id_table[] __devinitconst = { @@ -1174,7 +1200,7 @@ static void __exit wl18xx_exit(void) module_exit(wl18xx_exit); module_param_named(ht_mode, ht_mode_param, charp, S_IRUSR); -MODULE_PARM_DESC(ht_mode, "Force HT mode: wide or mimo"); +MODULE_PARM_DESC(ht_mode, "Force HT mode: wide (default), mimo or siso20"); module_param_named(board_type, board_type_param, charp, S_IRUSR); MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or " From 5add82edd14d9bf051e06588ac65c7e2182bd330 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:16 +0300 Subject: [PATCH 117/241] wl18xx: add power limit reference value to mac_and_phy settings With more recent PHY firmware versions (>8.1.0.0.116), we need to use the correct value for the pwr_limit_reference_11_abg parameter when setting the mac_and_phy options. For now we use a hardcoded 0xc8 as the value. This will be moved to the configuration binary when it gets implemented. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/conf.h | 1 + drivers/net/wireless/ti/wl18xx/main.c | 3 +++ 2 files changed, 4 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index a6058fb86e7f..ffad302b6cb7 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -43,6 +43,7 @@ struct wl18xx_conf_phy { u8 primary_clock_setting_time; u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; + u8 pwr_limit_reference_11_abg; }; struct wl18xx_priv_conf { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 07955984face..ab3dd118f7de 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -501,6 +501,7 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .enable_clpc = 0x00, .enable_tx_low_pwr_on_siso_rdl = 0x00, .rx_profile = 0x00, + .pwr_limit_reference_11_abg = 0xc8, }, }; @@ -726,6 +727,8 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) phy->clock_valid_on_wake_up; params.secondary_clock_setting_time = phy->secondary_clock_setting_time; + params.pwr_limit_reference_11_abg = + phy->pwr_limit_reference_11_abg; params.board_type = priv->board_type; From 858403ab4434a3acd59eb892a49e1dbea30a2fcf Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:17 +0300 Subject: [PATCH 118/241] wl18xx: export low/high band component values as module params We use hardcoded values for the different board types. In some cases we may need to override the defaults, so export the values as module params. If not defined, the defaults for the specified board type will be used. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 46 +++++++++++++++++++++++++++ 1 file changed, 46 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index ab3dd118f7de..6baeb26b79c8 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -49,6 +49,10 @@ static int n_antennas_2_param = 1; static int n_antennas_5_param = 1; static bool checksum_param = true; static bool enable_11a_param = true; +static int low_band_component = -1; +static int low_band_component_type = -1; +static int high_band_component = -1; +static int high_band_component_type = -1; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -1160,6 +1164,32 @@ int __devinit wl18xx_probe(struct platform_device *pdev) goto out_free; } + /* + * If the module param is not set, update it with the one from + * conf. If it is set, overwrite conf with it. + */ + if (low_band_component == -1) + low_band_component = priv->conf.phy.low_band_component; + else + priv->conf.phy.low_band_component = low_band_component; + if (low_band_component_type == -1) + low_band_component_type = + priv->conf.phy.low_band_component_type; + else + priv->conf.phy.low_band_component_type = + low_band_component_type; + + if (high_band_component == -1) + high_band_component = priv->conf.phy.high_band_component; + else + priv->conf.phy.high_band_component = high_band_component; + if (high_band_component_type == -1) + high_band_component_type = + priv->conf.phy.high_band_component_type; + else + priv->conf.phy.high_band_component_type = + high_band_component_type; + if (!checksum_param) { wl18xx_ops.set_rx_csum = NULL; wl18xx_ops.init_vif = NULL; @@ -1224,6 +1254,22 @@ MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to true)"); module_param_named(enable_11a, enable_11a_param, bool, S_IRUSR); MODULE_PARM_DESC(enable_11a, "Enable 11a (5GHz): boolean (defaults to true)"); +module_param(low_band_component, uint, S_IRUSR); +MODULE_PARM_DESC(low_band_component, "Low band component: u8 " + "(default is 0x01)"); + +module_param(low_band_component_type, uint, S_IRUSR); +MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 " + "(default is 0x05 or 0x06 depending on the board_type)"); + +module_param(high_band_component, uint, S_IRUSR); +MODULE_PARM_DESC(high_band_component, "High band component: u8, " + "(default is 0x01)"); + +module_param(high_band_component_type, uint, S_IRUSR); +MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 " + "(default is 0x09)"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From 7b03c306da4a5ae415036a16b1a5844ca42e2778 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:18 +0300 Subject: [PATCH 119/241] wl18xx: export pwr_limit_reference_11_abg value as a module parameter Yet another temporary module parameter requested by the firmware team. This will be replaced by the conf binary. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6baeb26b79c8..524f44c4b991 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -53,6 +53,7 @@ static int low_band_component = -1; static int low_band_component_type = -1; static int high_band_component = -1; static int high_band_component_type = -1; +static int pwr_limit_reference_11_abg = -1; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -1190,6 +1191,13 @@ int __devinit wl18xx_probe(struct platform_device *pdev) priv->conf.phy.high_band_component_type = high_band_component_type; + if (pwr_limit_reference_11_abg == -1) + pwr_limit_reference_11_abg = + priv->conf.phy.pwr_limit_reference_11_abg; + else + priv->conf.phy.pwr_limit_reference_11_abg = + pwr_limit_reference_11_abg; + if (!checksum_param) { wl18xx_ops.set_rx_csum = NULL; wl18xx_ops.init_vif = NULL; @@ -1270,6 +1278,10 @@ module_param(high_band_component_type, uint, S_IRUSR); MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 " "(default is 0x09)"); +module_param(pwr_limit_reference_11_abg, uint, S_IRUSR); +MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 " + "(default is 0xc8)"); + MODULE_LICENSE("GPL v2"); MODULE_AUTHOR("Luciano Coelho "); MODULE_FIRMWARE(WL18XX_FW_NAME); From ad62d81a9e5262555de0501329bd635f5886124f Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:19 +0300 Subject: [PATCH 120/241] wlcore/wl12xx/wl18xx: move lower driver debugfs to a subdir Instead of adding more files from the lower drivers into the same directory in debugfs as wlcore, we now add a subdirectory for the lower driver. This makes things a bit easier, because we can quickly see where the debugfs entry is implemented and what is specific to the lower driver. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl12xx/debugfs.c | 10 ++++++++-- drivers/net/wireless/ti/wl12xx/main.c | 7 +------ drivers/net/wireless/ti/wl18xx/debugfs.c | 10 ++++++++-- drivers/net/wireless/ti/wl18xx/main.c | 7 +------ 4 files changed, 18 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/debugfs.c b/drivers/net/wireless/ti/wl12xx/debugfs.c index 311703d5af84..0521cbf858cf 100644 --- a/drivers/net/wireless/ti/wl12xx/debugfs.c +++ b/drivers/net/wireless/ti/wl12xx/debugfs.c @@ -126,9 +126,15 @@ int wl12xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { int ret = 0; - struct dentry *entry, *stats; + struct dentry *entry, *stats, *moddir; - stats = debugfs_create_dir("wl12xx_fw_stats", rootdir); + moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir); + if (!moddir || IS_ERR(moddir)) { + entry = moddir; + goto err; + } + + stats = debugfs_create_dir("fw_stats", moddir); if (!stats || IS_ERR(stats)) { entry = stats; goto err; diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 2ac840783551..ba5afa46a430 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1360,11 +1360,6 @@ static int wl12xx_plt_init(struct wl1271 *wl) return ret; } -static int wl12xx_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) -{ - return wl12xx_debugfs_add_files(wl, rootdir); -} - static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, @@ -1387,7 +1382,7 @@ static struct wlcore_ops wl12xx_ops = { .set_tx_desc_csum = wl12xx_set_tx_desc_csum, .set_rx_csum = NULL, .ap_get_mimo_wide_rate_mask = NULL, - .debugfs_init = wl12xx_debugfs_init, + .debugfs_init = wl12xx_debugfs_add_files, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 8354dfc64bd8..f4127bfb9642 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -181,9 +181,15 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { int ret = 0; - struct dentry *entry, *stats; + struct dentry *entry, *stats, *moddir; - stats = debugfs_create_dir("wl18xx_fw_stats", rootdir); + moddir = debugfs_create_dir(KBUILD_MODNAME, rootdir); + if (!moddir || IS_ERR(moddir)) { + entry = moddir; + goto err; + } + + stats = debugfs_create_dir("fw_stats", moddir); if (!stats || IS_ERR(stats)) { entry = stats; goto err; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 524f44c4b991..27cd9b8a6e85 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1022,11 +1022,6 @@ static void wl18xx_get_mac(struct wl1271 *wl) wlcore_set_partition(wl, &wl->ptable[PART_DOWN]); } -static int wl18xx_debugfs_init(struct wl1271 *wl, struct dentry *rootdir) -{ - return wl18xx_debugfs_add_files(wl, rootdir); -} - static int wl18xx_handle_static_data(struct wl1271 *wl, struct wl1271_static_data *static_data) { @@ -1058,7 +1053,7 @@ static struct wlcore_ops wl18xx_ops = { .sta_get_ap_rate_mask = wl18xx_sta_get_ap_rate_mask, .ap_get_mimo_wide_rate_mask = wl18xx_ap_get_mimo_wide_rate_mask, .get_mac = wl18xx_get_mac, - .debugfs_init = wl18xx_debugfs_init, + .debugfs_init = wl18xx_debugfs_add_files, .handle_static_data = wl18xx_handle_static_data, }; From 5a7589be344580f0ed186ab66819bf5671d3f145 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:20 +0300 Subject: [PATCH 121/241] wlcore: increase aggregation buffer size by one page With 4 pages (16Kb), we can't fit 10 frames in the aggregation buffer during iperf. This is the optimal for the firmware. Thus, increase the buffer size by one page. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wlcore/wlcore_i.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 45c07dc0df5d..83c9869105c3 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -89,7 +89,7 @@ #define WL1271_AP_BSS_INDEX 0 #define WL1271_AP_DEF_BEACON_EXP 20 -#define WL1271_AGGR_BUFFER_SIZE (4 * PAGE_SIZE) +#define WL1271_AGGR_BUFFER_SIZE (5 * PAGE_SIZE) enum wl1271_state { WL1271_STATE_OFF, From 3507efa08417f416a8b8a64ab701ad5df37ae077 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:21 +0300 Subject: [PATCH 122/241] wl18xx: increase tx_ba_win_size to 64 Now the firmware can support TX block ack sessions with 64 frames. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 27cd9b8a6e85..5053c054aaad 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -408,7 +408,7 @@ static struct wlcore_conf wl18xx_conf = { }, .ht = { .rx_ba_win_size = 10, - .tx_ba_win_size = 10, + .tx_ba_win_size = 64, .inactivity_timeout = 10000, .tx_ba_tid_bitmap = CONF_TX_BA_ENABLED_TID_BITMAP, }, From c5d94169e8189d02dfbd6143411908357865d777 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 10 May 2012 12:14:22 +0300 Subject: [PATCH 123/241] wl18xx: use new fw stats structures Some of the structures were updated, other structures had a few missing values and a few new ones were added. Change the driver structs accordingly. Signed-off-by: Luciano Coelho Signed-off-by: Arik Nemtsov --- drivers/net/wireless/ti/wl18xx/acx.h | 156 ++++++-------- drivers/net/wireless/ti/wl18xx/debugfs.c | 248 ++++++++++------------- 2 files changed, 169 insertions(+), 235 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index c2ccf70bcfb3..cb6fd85d077f 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -71,13 +71,8 @@ struct wl18xx_acx_debug_stats { } __packed; struct wl18xx_acx_ring_stats { - u32 tx_procs; u32 prepared_descs; - u32 tx_xfr; - u32 tx_dma; u32 tx_cmplt; - u32 rx_procs; - u32 rx_data; } __packed; struct wl18xx_acx_tx_stats { @@ -98,60 +93,53 @@ struct wl18xx_acx_tx_stats { u32 tx_retry_data; u32 tx_exch_pending; u32 tx_exch_expiry; - u32 tx_exch_mismatch; u32 tx_done_template; u32 tx_done_data; u32 tx_done_int_template; - u32 tx_pre_xfr; - u32 tx_xfr; - u32 tx_xfr_out_of_mem; - u32 tx_dma_programmed; - u32 tx_dma_done; + u32 tx_frame_checksum; + u32 tx_checksum_result; + u32 frag_called; + u32 frag_mpdu_alloc_failed; + u32 frag_init_called; + u32 frag_in_process_called; + u32 frag_tkip_called; + u32 frag_key_not_found; + u32 frag_need_fragmentation; + u32 frag_bad_mblk_num; + u32 frag_failed; + u32 frag_cache_hit; + u32 frag_cache_miss; } __packed; struct wl18xx_acx_rx_stats { u32 rx_out_of_mem; u32 rx_hdr_overflow; - u32 rx_hw_stuck; u32 rx_dropped_frame; - u32 rx_complete_dropped_frame; - u32 rx_alloc_frame; - u32 rx_done_queue; + u32 rx_done_stage; u32 rx_done; u32 rx_defrag; u32 rx_defrag_end; - u32 rx_mic; - u32 rx_mic_end; - u32 rx_xfr; - u32 rx_xfr_end; u32 rx_cmplt; u32 rx_pre_complt; u32 rx_cmplt_task; u32 rx_phy_hdr; u32 rx_timeout; -} __packed; - -struct wl18xx_acx_dma_stats { - u32 rx_dma_errors; - u32 tx_dma_errors; + u32 rx_frame_checksum; + u32 rx_checksum_result; + u32 defrag_called; + u32 defrag_init_called; + u32 defrag_in_process_called; + u32 defrag_tkip_called; + u32 defrag_need_defrag; + u32 defrag_decrypt_failed; + u32 decrypt_key_not_found; + u32 defrag_need_decrypt; } __packed; struct wl18xx_acx_isr_stats { u32 irqs; } __packed; -struct wl18xx_acx_wep_stats { - u32 wep_add_key_count; - u32 wep_default_key_count; - u32 wep_key_not_found; - u32 wep_decrypt_fail; - u32 wep_encrypt_fail; - u32 wep_dec_packets; - u32 wep_dec_interrupt; - u32 wep_enc_packets; - u32 wep_enc_interrupts; -} __packed; - #define PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD 10 struct wl18xx_acx_pwr_stats { @@ -162,29 +150,6 @@ struct wl18xx_acx_pwr_stats { u32 rcvd_awake_bcns_cnt; } __packed; -struct wl18xx_acx_mic_stats { - u32 mic_rx_pkts; - u32 mic_calc_failure; -} __packed; - -struct wl18xx_acx_aes_stats { - u32 aes_encrypt_fail; - u32 aes_decrypt_fail; - u32 aes_encrypt_packets; - u32 aes_decrypt_packets; - u32 aes_encrypt_interrupt; - u32 aes_decrypt_interrupt; -} __packed; - -struct wl18xx_acx_gem_stats { - u32 gem_encrypt_fail; - u32 gem_decrypt_fail; - u32 gem_encrypt_packets; - u32 gem_decrypt_packets; - u32 gem_encrypt_interrupt; - u32 gem_decrypt_interrupt; -} __packed; - struct wl18xx_acx_event_stats { u32 calibration; u32 rx_mismatch; @@ -210,31 +175,44 @@ struct wl18xx_acx_rx_filter_stats { u32 protection_filter; } __packed; -struct wl18xx_acx_calibration_stats { - u32 init_cal_total; - u32 init_radio_bands_fail; - u32 init_set_params; - u32 init_tx_clpc_fail; - u32 init_rx_iw_mm_fail; - u32 tune_cal_total; - u32 tune_drpw_rtrim_fail; - u32 tune_drpw_pd_buf_fail; - u32 tune_drpw_tx_mix_freq_fail; - u32 tune_drpw_ta_cal; - u32 tune_drpw_rx_if_2_gain; - u32 tune_drpw_rx_dac; - u32 tune_drpw_chan_tune; - u32 tune_drpw_rx_tx_lpf; - u32 tune_drpw_lna_tank; - u32 tune_tx_lo_leak_fail; - u32 tune_tx_iq_mm_fail; - u32 tune_tx_pdet_fail; - u32 tune_tx_ppa_fail; - u32 tune_tx_clpc_fail; - u32 tune_rx_ana_dc_fail; - u32 tune_rx_dig_dc_fail; /* check if this is needed */ - u32 tune_rx_iq_mm_fail; - u32 cal_state_fail; +struct wl18xx_acx_rx_rate_stats { + u32 rx_frames_per_rates[50]; +} __packed; + +#define AGGR_STATS_TX_SIZE_LEN 11 +#define AGGR_STATS_RX_SIZE_LEN 11 + +struct wl18xx_acx_aggr_stats { + u32 tx_size[AGGR_STATS_TX_SIZE_LEN]; + u32 rx_size[AGGR_STATS_RX_SIZE_LEN]; +} __packed; + +struct wl18xx_acx_pipeline_stats { + u32 hs_tx_stat_fifo_int; + u32 hs_rx_stat_fifo_int; + u32 tcp_tx_stat_fifo_int; + u32 tcp_rx_stat_fifo_int; + u32 enc_tx_stat_fifo_int; + u32 enc_rx_stat_fifo_int; + u32 rx_complete_stat_fifo_int; + u32 pre_proc_swi; + u32 post_proc_swi; + u32 sec_frag_swi; + u32 pre_to_defrag_swi; + u32 defrag_to_csum_swi; + u32 csum_to_rx_xfer_swi; + u32 dec_packet_in; + u32 dec_packet_in_fifo_full; + u32 dec_packet_out; + u32 cs_rx_packet_in; + u32 cs_rx_packet_out; +} __packed; + +struct wl18xx_acx_mem_stats { + u32 rx_free_mem_blks; + u32 tx_free_mem_blks; + u32 fwlog_free_mem_blks; + u32 fw_gen_free_mem_blks; } __packed; struct wl18xx_acx_statistics { @@ -244,17 +222,15 @@ struct wl18xx_acx_statistics { struct wl18xx_acx_debug_stats debug; struct wl18xx_acx_tx_stats tx; struct wl18xx_acx_rx_stats rx; - struct wl18xx_acx_dma_stats dma; struct wl18xx_acx_isr_stats isr; - struct wl18xx_acx_wep_stats wep; struct wl18xx_acx_pwr_stats pwr; - struct wl18xx_acx_aes_stats aes; - struct wl18xx_acx_mic_stats mic; struct wl18xx_acx_event_stats event; struct wl18xx_acx_ps_poll_stats ps_poll; struct wl18xx_acx_rx_filter_stats rx_filter; - struct wl18xx_acx_calibration_stats calibration; - struct wl18xx_acx_gem_stats gem; + struct wl18xx_acx_rx_rate_stats rx_rate; + struct wl18xx_acx_aggr_stats aggr_size; + struct wl18xx_acx_pipeline_stats pipeline; + struct wl18xx_acx_mem_stats mem; } __packed; int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index f4127bfb9642..93c625b23a2f 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -32,6 +32,7 @@ #define WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c) \ DEBUGFS_FWSTATS_FILE_ARRAY(a, b, c, wl18xx_acx_statistics) + WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug1, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug2, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug3, "%u"); @@ -39,13 +40,8 @@ WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug4, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug5, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug6, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_procs, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(ring, prepared_descs, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_xfr, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_dma, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_cmplt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, rx_procs, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, rx_data, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_prepared, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_prepared, "%u"); @@ -64,51 +60,47 @@ WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_template, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_retry_data, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_pending, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_expiry, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_exch_mismatch, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_template, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_data, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_done_int_template, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_pre_xfr, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_xfr, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_xfr_out_of_mem, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_dma_programmed, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_dma_done, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_frame_checksum, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_checksum_result, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_mpdu_alloc_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_init_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_in_process_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_tkip_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_key_not_found, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_need_fragmentation, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_bad_mblk_num, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_hit, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_miss, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mem, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hdr_overflow, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hw_stuck, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_dropped_frame, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_complete_dropped_frame, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_alloc_frame, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done_queue, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_defrag_end, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_mic, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_mic_end, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_xfr, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_xfr_end, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_pre_complt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt_task, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_phy_hdr, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout, "%u"); - -WL18XX_DEBUGFS_FWSTATS_FILE(dma, rx_dma_errors, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(dma, tx_dma_errors, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_frame_checksum, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_checksum_result, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_init_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_in_process_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_tkip_called, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_defrag, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_decrypt_failed, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, decrypt_key_not_found, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_decrypt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_add_key_count, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_default_key_count, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_key_not_found, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_decrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_encrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_dec_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_dec_interrupt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_enc_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(wep, wep_enc_interrupts, "%u"); - WL18XX_DEBUGFS_FWSTATS_FILE(pwr, missing_bcns_cnt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_bcns_cnt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(pwr, connection_out_of_sync, "%u"); @@ -116,22 +108,6 @@ WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pwr, cont_miss_bcns_spread, PWR_STAT_MAX_CONT_MISSED_BCNS_SPREAD); WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_bcns_cnt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(mic, mic_rx_pkts, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(mic, mic_calc_failure, "%u"); - -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_encrypt_interrupt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(aes, aes_decrypt_interrupt, "%u"); - -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_packets, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_encrypt_interrupt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(gem, gem_decrypt_interrupt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); @@ -152,30 +128,35 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, data_filter, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, ibss_filter, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_cal_total, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_radio_bands_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_set_params, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_tx_clpc_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, init_rx_iw_mm_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_cal_total, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rtrim_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_pd_buf_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_tx_mix_freq_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_ta_cal, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_if_2_gain, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_dac, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_chan_tune, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_rx_tx_lpf, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_drpw_lna_tank, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_lo_leak_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_iq_mm_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_pdet_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_ppa_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_tx_clpc_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_ana_dc_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_dig_dc_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, tune_rx_iq_mm_fail, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(calibration, cal_state_fail, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_rate, rx_frames_per_rates, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_size, + AGGR_STATS_TX_SIZE_LEN); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, rx_size, + AGGR_STATS_RX_SIZE_LEN); + +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, hs_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, tcp_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, tcp_rx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_tx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, enc_rx_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, rx_complete_stat_fifo_int, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_proc_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, post_proc_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, sec_frag_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, pre_to_defrag_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, defrag_to_csum_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, csum_to_rx_xfer_swi, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_in_fifo_full, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_out, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_in, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_out, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(mem, rx_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u"); int wl18xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) @@ -202,13 +183,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(debug, debug5); DEBUGFS_FWSTATS_ADD(debug, debug6); - DEBUGFS_FWSTATS_ADD(ring, tx_procs); DEBUGFS_FWSTATS_ADD(ring, prepared_descs); - DEBUGFS_FWSTATS_ADD(ring, tx_xfr); - DEBUGFS_FWSTATS_ADD(ring, tx_dma); DEBUGFS_FWSTATS_ADD(ring, tx_cmplt); - DEBUGFS_FWSTATS_ADD(ring, rx_procs); - DEBUGFS_FWSTATS_ADD(ring, rx_data); DEBUGFS_FWSTATS_ADD(tx, tx_template_prepared); DEBUGFS_FWSTATS_ADD(tx, tx_data_prepared); @@ -227,74 +203,53 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(tx, tx_retry_data); DEBUGFS_FWSTATS_ADD(tx, tx_exch_pending); DEBUGFS_FWSTATS_ADD(tx, tx_exch_expiry); - DEBUGFS_FWSTATS_ADD(tx, tx_exch_mismatch); DEBUGFS_FWSTATS_ADD(tx, tx_done_template); DEBUGFS_FWSTATS_ADD(tx, tx_done_data); DEBUGFS_FWSTATS_ADD(tx, tx_done_int_template); - DEBUGFS_FWSTATS_ADD(tx, tx_pre_xfr); - DEBUGFS_FWSTATS_ADD(tx, tx_xfr); - DEBUGFS_FWSTATS_ADD(tx, tx_xfr_out_of_mem); - DEBUGFS_FWSTATS_ADD(tx, tx_dma_programmed); - DEBUGFS_FWSTATS_ADD(tx, tx_dma_done); + DEBUGFS_FWSTATS_ADD(tx, tx_frame_checksum); + DEBUGFS_FWSTATS_ADD(tx, tx_checksum_result); + DEBUGFS_FWSTATS_ADD(tx, frag_called); + DEBUGFS_FWSTATS_ADD(tx, frag_mpdu_alloc_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_init_called); + DEBUGFS_FWSTATS_ADD(tx, frag_in_process_called); + DEBUGFS_FWSTATS_ADD(tx, frag_tkip_called); + DEBUGFS_FWSTATS_ADD(tx, frag_key_not_found); + DEBUGFS_FWSTATS_ADD(tx, frag_need_fragmentation); + DEBUGFS_FWSTATS_ADD(tx, frag_bad_mblk_num); + DEBUGFS_FWSTATS_ADD(tx, frag_failed); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_hit); + DEBUGFS_FWSTATS_ADD(tx, frag_cache_miss); DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mem); DEBUGFS_FWSTATS_ADD(rx, rx_hdr_overflow); - DEBUGFS_FWSTATS_ADD(rx, rx_hw_stuck); DEBUGFS_FWSTATS_ADD(rx, rx_dropped_frame); - DEBUGFS_FWSTATS_ADD(rx, rx_complete_dropped_frame); - DEBUGFS_FWSTATS_ADD(rx, rx_alloc_frame); - DEBUGFS_FWSTATS_ADD(rx, rx_done_queue); DEBUGFS_FWSTATS_ADD(rx, rx_done); DEBUGFS_FWSTATS_ADD(rx, rx_defrag); DEBUGFS_FWSTATS_ADD(rx, rx_defrag_end); - DEBUGFS_FWSTATS_ADD(rx, rx_mic); - DEBUGFS_FWSTATS_ADD(rx, rx_mic_end); - DEBUGFS_FWSTATS_ADD(rx, rx_xfr); - DEBUGFS_FWSTATS_ADD(rx, rx_xfr_end); DEBUGFS_FWSTATS_ADD(rx, rx_cmplt); DEBUGFS_FWSTATS_ADD(rx, rx_pre_complt); DEBUGFS_FWSTATS_ADD(rx, rx_cmplt_task); DEBUGFS_FWSTATS_ADD(rx, rx_phy_hdr); DEBUGFS_FWSTATS_ADD(rx, rx_timeout); - - DEBUGFS_FWSTATS_ADD(dma, rx_dma_errors); - DEBUGFS_FWSTATS_ADD(dma, tx_dma_errors); + DEBUGFS_FWSTATS_ADD(rx, rx_frame_checksum); + DEBUGFS_FWSTATS_ADD(rx, rx_checksum_result); + DEBUGFS_FWSTATS_ADD(rx, defrag_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_init_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_in_process_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_tkip_called); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_defrag); + DEBUGFS_FWSTATS_ADD(rx, defrag_decrypt_failed); + DEBUGFS_FWSTATS_ADD(rx, decrypt_key_not_found); + DEBUGFS_FWSTATS_ADD(rx, defrag_need_decrypt); DEBUGFS_FWSTATS_ADD(isr, irqs); - DEBUGFS_FWSTATS_ADD(wep, wep_add_key_count); - DEBUGFS_FWSTATS_ADD(wep, wep_default_key_count); - DEBUGFS_FWSTATS_ADD(wep, wep_key_not_found); - DEBUGFS_FWSTATS_ADD(wep, wep_decrypt_fail); - DEBUGFS_FWSTATS_ADD(wep, wep_encrypt_fail); - DEBUGFS_FWSTATS_ADD(wep, wep_dec_packets); - DEBUGFS_FWSTATS_ADD(wep, wep_dec_interrupt); - DEBUGFS_FWSTATS_ADD(wep, wep_enc_packets); - DEBUGFS_FWSTATS_ADD(wep, wep_enc_interrupts); - DEBUGFS_FWSTATS_ADD(pwr, missing_bcns_cnt); DEBUGFS_FWSTATS_ADD(pwr, rcvd_bcns_cnt); DEBUGFS_FWSTATS_ADD(pwr, connection_out_of_sync); DEBUGFS_FWSTATS_ADD(pwr, cont_miss_bcns_spread); DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_bcns_cnt); - DEBUGFS_FWSTATS_ADD(mic, mic_rx_pkts); - DEBUGFS_FWSTATS_ADD(mic, mic_calc_failure); - - DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_fail); - DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_packets); - DEBUGFS_FWSTATS_ADD(aes, aes_encrypt_interrupt); - DEBUGFS_FWSTATS_ADD(aes, aes_decrypt_interrupt); - - DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_fail); - DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_fail); - DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_packets); - DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_packets); - DEBUGFS_FWSTATS_ADD(gem, gem_encrypt_interrupt); - DEBUGFS_FWSTATS_ADD(gem, gem_decrypt_interrupt); - DEBUGFS_FWSTATS_ADD(event, calibration); DEBUGFS_FWSTATS_ADD(event, rx_mismatch); DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); @@ -314,30 +269,33 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(rx_filter, ibss_filter); DEBUGFS_FWSTATS_ADD(rx_filter, protection_filter); - DEBUGFS_FWSTATS_ADD(calibration, init_cal_total); - DEBUGFS_FWSTATS_ADD(calibration, init_radio_bands_fail); - DEBUGFS_FWSTATS_ADD(calibration, init_set_params); - DEBUGFS_FWSTATS_ADD(calibration, init_tx_clpc_fail); - DEBUGFS_FWSTATS_ADD(calibration, init_rx_iw_mm_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_cal_total); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rtrim_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_pd_buf_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_tx_mix_freq_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_ta_cal); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_if_2_gain); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_dac); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_chan_tune); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_rx_tx_lpf); - DEBUGFS_FWSTATS_ADD(calibration, tune_drpw_lna_tank); - DEBUGFS_FWSTATS_ADD(calibration, tune_tx_lo_leak_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_tx_iq_mm_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_tx_pdet_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_tx_ppa_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_tx_clpc_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_rx_ana_dc_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_rx_dig_dc_fail); - DEBUGFS_FWSTATS_ADD(calibration, tune_rx_iq_mm_fail); - DEBUGFS_FWSTATS_ADD(calibration, cal_state_fail); + DEBUGFS_FWSTATS_ADD(rx_rate, rx_frames_per_rates); + + DEBUGFS_FWSTATS_ADD(aggr_size, tx_size); + DEBUGFS_FWSTATS_ADD(aggr_size, rx_size); + + DEBUGFS_FWSTATS_ADD(pipeline, hs_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, tcp_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, tcp_rx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_tx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, enc_rx_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, rx_complete_stat_fifo_int); + DEBUGFS_FWSTATS_ADD(pipeline, pre_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, post_proc_swi); + DEBUGFS_FWSTATS_ADD(pipeline, sec_frag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, pre_to_defrag_swi); + DEBUGFS_FWSTATS_ADD(pipeline, defrag_to_csum_swi); + DEBUGFS_FWSTATS_ADD(pipeline, csum_to_rx_xfer_swi); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_in_fifo_full); + DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_out); + DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_in); + DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_out); + + DEBUGFS_FWSTATS_ADD(mem, rx_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, tx_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, fwlog_free_mem_blks); + DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks); return 0; From 3d62eb5a7eb8d0be68442e119583508926731887 Mon Sep 17 00:00:00 2001 From: Assaf Azulay Date: Thu, 10 May 2012 12:14:23 +0300 Subject: [PATCH 124/241] wl18xx: change default tcp_checksum to false as tcp check sum is going to be removed from firmware, and as there is a problem with getting dns in security when checksum is enabled, it was decided to disable it by default. for none security modes it can be enabled by module paramenter. Signed-off-by: Assaf Azulay Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 5053c054aaad..dda9c18e5506 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -47,7 +47,7 @@ static char *board_type_param = "hdk"; static bool dc2dc_param = false; static int n_antennas_2_param = 1; static int n_antennas_5_param = 1; -static bool checksum_param = true; +static bool checksum_param = false; static bool enable_11a_param = true; static int low_band_component = -1; static int low_band_component_type = -1; @@ -1252,7 +1252,7 @@ module_param_named(n_antennas_5, n_antennas_5_param, uint, S_IRUSR); MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) or 2"); module_param_named(checksum, checksum_param, bool, S_IRUSR); -MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to true)"); +MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)"); module_param_named(enable_11a, enable_11a_param, bool, S_IRUSR); MODULE_PARM_DESC(enable_11a, "Enable 11a (5GHz): boolean (defaults to true)"); From b5d6d9b28ca1fac178e05f185ee38e9c0770e268 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Tue, 5 Jun 2012 00:02:25 +0300 Subject: [PATCH 125/241] wlcore/wl12xx/wl18xx: don't use TX align quirk for wl127x Commit 4afc37 (wlcore: reorder identify_chip and get_hw_info) broke support for wl127x chips. When we moved the identify_chip operation to an earlier stage (ie. to the probe function), we broke wl127x support because during HW init we would set the WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN. To avoid this, set this quirk in the identify_chip operations and only force it to be unset if the bus module doesn't support it. We were doing the opposite and setting the flag if the bus module supports it. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 10 ++++------ drivers/net/wireless/ti/wl18xx/main.c | 5 +++-- drivers/net/wireless/ti/wlcore/main.c | 7 +++++-- 3 files changed, 12 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index ba5afa46a430..67974f6c635a 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -625,9 +625,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl->chip.id); - /* clear the alignment quirk, since we don't support it */ - wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; @@ -643,9 +640,6 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); - /* clear the alignment quirk, since we don't support it */ - wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; wl->plt_fw_name = WL127X_PLT_FW_NAME; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; @@ -664,6 +658,10 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl->plt_fw_name = WL128X_PLT_FW_NAME; wl->sr_fw_name = WL128X_FW_NAME_SINGLE; wl->mr_fw_name = WL128X_FW_NAME_MULTI; + + /* wl128x requires TX blocksize alignment */ + wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; + break; case CHIP_ID_1283_PG10: default: diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index dda9c18e5506..2e9b3cb6e074 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -591,8 +591,9 @@ static int wl18xx_identify_chip(struct wl1271 *wl) /* wl18xx uses the same firmware for PLT */ wl->plt_fw_name = WL18XX_FW_NAME; wl->quirks |= WLCORE_QUIRK_NO_ELP | - WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | - WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; + WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | + WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | + WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; /* PG 1.0 has some problems with MCS_13, so disable it */ wl->ht_cap.mcs.rx_mask[1] &= ~BIT(5); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 00a482199a32..af00dabf96b7 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -960,9 +960,12 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) * simplify the code and since the performance impact is * negligible, we use the same block size for all different * chip types. + * + * Check if the bus supports blocksize alignment and, if it + * doesn't, make sure we don't have the quirk. */ - if (wl1271_set_block_size(wl)) - wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; + if (!wl1271_set_block_size(wl)) + wl->quirks &= ~WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; /* TODO: make sure the lower driver has set things up correctly */ From d35dc739f6a0b3680a591bd4e831fd3afa912632 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 15 May 2012 17:08:51 +0300 Subject: [PATCH 126/241] wlcore: fix sparse warnings related to static functions The "static" modifier was mistakenly forgotten for some functions. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 2e9b3cb6e074..31cd4cc3c1b2 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1098,7 +1098,7 @@ static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap = { }, }; -int __devinit wl18xx_probe(struct platform_device *pdev) +static int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; struct ieee80211_hw *hw; From 1ab0f212629462ae2600bb3523dc75b96e8544eb Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 17:08:52 +0300 Subject: [PATCH 127/241] wlcore: use the original elp time in forced_ps mode The dynamic PS timeout is meaningless in forced PS mode. Signed-off-by: Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/ps.c | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index 756eee2257b4..958535dee9f3 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -28,6 +28,8 @@ #define WL1271_WAKEUP_TIMEOUT 500 +#define ELP_ENTRY_DELAY 5 + void wl1271_elp_work(struct work_struct *work) { struct delayed_work *dwork; @@ -72,6 +74,7 @@ void wl1271_elp_work(struct work_struct *work) void wl1271_ps_elp_sleep(struct wl1271 *wl) { struct wl12xx_vif *wlvif; + u32 timeout; if (wl->quirks & WLCORE_QUIRK_NO_ELP) return; @@ -89,8 +92,13 @@ void wl1271_ps_elp_sleep(struct wl1271 *wl) return; } + if (wl->conf.conn.forced_ps) + timeout = ELP_ENTRY_DELAY; + else + timeout = wl->conf.conn.dynamic_ps_timeout; + ieee80211_queue_delayed_work(wl->hw, &wl->elp_work, - msecs_to_jiffies(wl->conf.conn.dynamic_ps_timeout)); + msecs_to_jiffies(timeout)); } int wl1271_ps_elp_wakeup(struct wl1271 *wl) From 6e066921b3970232d5faadcdf33a92f43ec84334 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 15 May 2012 17:08:53 +0300 Subject: [PATCH 128/241] wlcore: fix dynamic_ps_timeout time regression In patch d7b63b9fc7ee73e75a4c7fdb899 we have raised the dynamic PS timeout to 200ms to improve user experience. Re-apply the change, since it was reverted in the wlcore split. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 2 +- drivers/net/wireless/ti/wl18xx/main.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 67974f6c635a..ba14acae1d59 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -238,7 +238,7 @@ static struct wlcore_conf wl12xx_conf = { .psm_entry_retries = 8, .psm_exit_retries = 16, .psm_entry_nullfunc_retries = 3, - .dynamic_ps_timeout = 40, + .dynamic_ps_timeout = 200, .forced_ps = false, .keep_alive_interval = 55000, .max_listen_interval = 20, diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 31cd4cc3c1b2..bbd935fb5f64 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -361,7 +361,7 @@ static struct wlcore_conf wl18xx_conf = { .psm_entry_retries = 8, .psm_exit_retries = 16, .psm_entry_nullfunc_retries = 3, - .dynamic_ps_timeout = 40, + .dynamic_ps_timeout = 200, .forced_ps = false, .keep_alive_interval = 55000, .max_listen_interval = 20, From 6b8bf5bc5e99f52334bec1b06b14d28dc595c95a Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 15 May 2012 17:08:54 +0300 Subject: [PATCH 129/241] wlcore: fixes for connection_loss_work We can't use cancel_delayed_work_sync() from functions that take the wl->mutex, since connection_loss_work also takes the mutex. This might result in a deadlock. Restructure the code so the work is synchronously canceled before taking the mutex. Avoid a bug where we would indefinitely delay the connection loss indication by re-queuing the connection loss work on consecutive beacon loss events. Cc: bartosz.markowski Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/event.c | 15 ++++++++++++--- drivers/net/wireless/ti/wlcore/main.c | 10 +++++++--- 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 28e2a633c3be..4ed835799178 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -148,15 +148,24 @@ static int wl1271_event_process(struct wl1271 *wl) int delay = wl->conf.conn.synch_fail_thold * wl->conf.conn.bss_lose_timeout; wl1271_info("Beacon loss detected."); - cancel_delayed_work_sync(&wl->connection_loss_work); + + /* + * if the work is already queued, it should take place. We + * don't want to delay the connection loss indication + * any more. + */ ieee80211_queue_delayed_work(wl->hw, &wl->connection_loss_work, - msecs_to_jiffies(delay)); + msecs_to_jiffies(delay)); } if (vector & REGAINED_BSS_EVENT_ID) { /* TODO: check for multi-role */ wl1271_info("Beacon regained."); - cancel_delayed_work_sync(&wl->connection_loss_work); + cancel_delayed_work(&wl->connection_loss_work); + + /* sanity check - we can't lose and gain the beacon together */ + WARN(vector & BSS_LOSE_EVENT_ID, + "Concurrent beacon loss and gain from FW"); } if (vector & RSSI_SNR_TRIGGER_0_EVENT_ID) { diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index af00dabf96b7..4be62c93808b 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3712,9 +3712,6 @@ static void wl1271_bss_info_changed_sta(struct wl1271 *wl, do_join = true; set_assoc = true; - /* Cancel connection_loss_work */ - cancel_delayed_work_sync(&wl->connection_loss_work); - /* * use basic rates from AP, and determine lowest rate * to use with control frames. @@ -3964,6 +3961,13 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, wl1271_debug(DEBUG_MAC80211, "mac80211 bss info changed 0x%x", (int)changed); + /* + * make sure to cancel pending disconnections if our association + * state changed + */ + if (!is_ap && (changed & BSS_CHANGED_ASSOC)) + cancel_delayed_work_sync(&wl->connection_loss_work); + mutex_lock(&wl->mutex); if (unlikely(wl->state == WL1271_STATE_OFF)) From 45b60f7ddd05e38a6835fb93e8dbcc6ef9bf12fa Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 17:08:55 +0300 Subject: [PATCH 130/241] wlcore: use correct link for bcast/multicast frames Multicast management frames (e.g. global deauth) should be sent out on the bcast link, rather than the global, which should be used only for pre-added stations (e.g. for auth/assoc resp). Signed-off-by: Eliad Peller Signed-off-by: Eyal Shapira Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/tx.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 200d091db6f9..e8a2998408b6 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -148,10 +148,10 @@ u8 wl12xx_tx_get_hlid_ap(struct wl1271 *wl, struct wl12xx_vif *wlvif, return wl->system_hlid; hdr = (struct ieee80211_hdr *)skb->data; - if (ieee80211_is_mgmt(hdr->frame_control)) - return wlvif->ap.global_hlid; - else + if (is_multicast_ether_addr(ieee80211_get_DA(hdr))) return wlvif->ap.bcast_hlid; + else + return wlvif->ap.global_hlid; } } From b515d83a2998c991171e2c533ea06ff723d355a6 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 17:08:56 +0300 Subject: [PATCH 131/241] wlcore: flush before stopping AP Make sure the deauth bcast gets sent [Make sure we are AP as well before the flush - Arik] Signed-off-by: Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 4be62c93808b..1974be0ccd58 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -3968,6 +3968,10 @@ static void wl1271_op_bss_info_changed(struct ieee80211_hw *hw, if (!is_ap && (changed & BSS_CHANGED_ASSOC)) cancel_delayed_work_sync(&wl->connection_loss_work); + if (is_ap && (changed & BSS_CHANGED_BEACON_ENABLED) && + !bss_conf->enable_beacon) + wl1271_tx_flush(wl); + mutex_lock(&wl->mutex); if (unlikely(wl->state == WL1271_STATE_OFF)) From 7b052214e59450b5ed6c708903a7dd9f15f6c12d Mon Sep 17 00:00:00 2001 From: Igal Chernobelsky Date: Tue, 15 May 2012 17:08:57 +0300 Subject: [PATCH 132/241] wlcore: modify bss loss parameters Modify default parameters to reduce firmware BSS lose probability in congested environment. [Applied to 18xx configuration as well - Arik] Signed-off-by: Igal Chernobelsky Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 4 ++-- drivers/net/wireless/ti/wl18xx/main.c | 4 ++-- 2 files changed, 4 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index ba14acae1d59..e400d1987e6c 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -227,8 +227,8 @@ static struct wlcore_conf wl12xx_conf = { .rule = CONF_BCN_RULE_PASS_ON_CHANGE, }, }, - .synch_fail_thold = 10, - .bss_lose_timeout = 100, + .synch_fail_thold = 12, + .bss_lose_timeout = 400, .beacon_rx_timeout = 10000, .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index bbd935fb5f64..5a6c4cc9577e 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -350,8 +350,8 @@ static struct wlcore_conf wl18xx_conf = { .rule = CONF_BCN_RULE_PASS_ON_CHANGE, }, }, - .synch_fail_thold = 10, - .bss_lose_timeout = 100, + .synch_fail_thold = 12, + .bss_lose_timeout = 400, .beacon_rx_timeout = 10000, .broadcast_timeout = 20000, .rx_broadcast_in_ps = 1, From 0a15d9b5896f54f4ad164fd072891019a8a8cfb2 Mon Sep 17 00:00:00 2001 From: Assaf Azulay Date: Tue, 15 May 2012 17:08:58 +0300 Subject: [PATCH 133/241] wlcore: increase number of BA sessions to 3 With the new FW (sigle role X.3.8.0.108, multi role X.5.4.0.21) we are supporting 3 RX BA sessions, this change is to support this new ability. Signed-off-by: Assaf Azulay Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/acx.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index 8b3807b879d3..46c300d4dea4 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -726,7 +726,7 @@ struct wl1271_acx_ht_information { u8 padding[2]; } __packed; -#define RX_BA_MAX_SESSIONS 2 +#define RX_BA_MAX_SESSIONS 3 struct wl1271_acx_ba_initiator_policy { struct acx_header header; From a121a5b8aba4294b1557e1099c4eaa7c6578d7ce Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 15 May 2012 17:08:59 +0300 Subject: [PATCH 134/241] wl18xx: add dependency on mac80211 Add a dependency on mac80211 in Kconfig, and also replace some spaces with tabs. Reported-by: Arend van Spriel Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/Kconfig | 7 ++++--- 1 file changed, 4 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/Kconfig b/drivers/net/wireless/ti/wl18xx/Kconfig index 1451d1f377c9..1cfdb2548821 100644 --- a/drivers/net/wireless/ti/wl18xx/Kconfig +++ b/drivers/net/wireless/ti/wl18xx/Kconfig @@ -1,6 +1,7 @@ config WL18XX - tristate "TI wl18xx support" - select WLCORE - ---help--- + tristate "TI wl18xx support" + depends on MAC80211 + select WLCORE + ---help--- This module adds support for wireless adapters based on TI WiLink 8 chipsets. From bfb92ca1332ce0073cfba5d8a7caee214ed3a787 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 17:09:00 +0300 Subject: [PATCH 135/241] wlcore: set wl->ht_cap per-band Save the ht_cap IE per-band, so we can configure different params to BG and A bands (we currently don't support MIMO on A band) [Small fix for rx_highest - Arik] Signed-off-by: Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 5 +++- drivers/net/wireless/ti/wl18xx/main.c | 36 ++++++++++++++++++++----- drivers/net/wireless/ti/wlcore/main.c | 10 ++++--- drivers/net/wireless/ti/wlcore/wlcore.h | 2 +- 4 files changed, 41 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index e400d1987e6c..774a1b71e84e 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1423,7 +1423,10 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; wl->fw_status_priv_len = 0; wl->stats.fw_stats_len = sizeof(struct wl12xx_acx_statistics); - memcpy(&wl->ht_cap, &wl12xx_ht_cap, sizeof(wl12xx_ht_cap)); + memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ], &wl12xx_ht_cap, + sizeof(wl12xx_ht_cap)); + memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ], &wl12xx_ht_cap, + sizeof(wl12xx_ht_cap)); wl12xx_conf_init(wl); if (!fref_param) { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 5a6c4cc9577e..6cd61186d06c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -596,7 +596,7 @@ static int wl18xx_identify_chip(struct wl1271 *wl) WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; /* PG 1.0 has some problems with MCS_13, so disable it */ - wl->ht_cap.mcs.rx_mask[1] &= ~BIT(5); + wl->ht_cap[IEEE80211_BAND_2GHZ].mcs.rx_mask[1] &= ~BIT(5); /* TODO: need to blocksize alignment for RX/TX separately? */ break; @@ -1086,7 +1086,7 @@ static struct ieee80211_sta_ht_cap wl18xx_siso20_ht_cap = { }; /* HT cap appropriate for MIMO rates in 20mhz channel */ -static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap = { +static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_2ghz = { .cap = IEEE80211_HT_CAP_SGI_20, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, @@ -1098,6 +1098,18 @@ static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap = { }, }; +static struct ieee80211_sta_ht_cap wl18xx_mimo_ht_cap_5ghz = { + .cap = IEEE80211_HT_CAP_SGI_20, + .ht_supported = true, + .ampdu_factor = IEEE80211_HT_MAX_AMPDU_16K, + .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, + .mcs = { + .rx_mask = { 0xff, 0, 0, 0, 0, 0, 0, 0, 0, 0, }, + .rx_highest = cpu_to_le16(72), + .tx_params = IEEE80211_HT_MCS_TX_DEFINED, + }, +}; + static int __devinit wl18xx_probe(struct platform_device *pdev) { struct wl1271 *wl; @@ -1127,13 +1139,25 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) wl->static_data_priv_len = sizeof(struct wl18xx_static_data_priv); if (!strcmp(ht_mode_param, "wide")) { - memcpy(&wl->ht_cap, &wl18xx_siso40_ht_cap, + memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ], + &wl18xx_siso40_ht_cap, + sizeof(wl18xx_siso40_ht_cap)); + memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ], + &wl18xx_siso40_ht_cap, sizeof(wl18xx_siso40_ht_cap)); } else if (!strcmp(ht_mode_param, "mimo")) { - memcpy(&wl->ht_cap, &wl18xx_mimo_ht_cap, - sizeof(wl18xx_mimo_ht_cap)); + memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ], + &wl18xx_mimo_ht_cap_2ghz, + sizeof(wl18xx_mimo_ht_cap_2ghz)); + memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ], + &wl18xx_mimo_ht_cap_5ghz, + sizeof(wl18xx_mimo_ht_cap_5ghz)); } else if (!strcmp(ht_mode_param, "siso20")) { - memcpy(&wl->ht_cap, &wl18xx_siso20_ht_cap, + memcpy(&wl->ht_cap[IEEE80211_BAND_2GHZ], + &wl18xx_siso20_ht_cap, + sizeof(wl18xx_siso20_ht_cap)); + memcpy(&wl->ht_cap[IEEE80211_BAND_5GHZ], + &wl18xx_siso20_ht_cap, sizeof(wl18xx_siso20_ht_cap)); } else { wl1271_error("invalid ht_mode '%s'", ht_mode_param); diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 1974be0ccd58..c08df334b9d5 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5031,12 +5031,14 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) */ memcpy(&wl->bands[IEEE80211_BAND_2GHZ], &wl1271_band_2ghz, sizeof(wl1271_band_2ghz)); - memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, &wl->ht_cap, - sizeof(wl->ht_cap)); + memcpy(&wl->bands[IEEE80211_BAND_2GHZ].ht_cap, + &wl->ht_cap[IEEE80211_BAND_2GHZ], + sizeof(*wl->ht_cap)); memcpy(&wl->bands[IEEE80211_BAND_5GHZ], &wl1271_band_5ghz, sizeof(wl1271_band_5ghz)); - memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, &wl->ht_cap, - sizeof(wl->ht_cap)); + memcpy(&wl->bands[IEEE80211_BAND_5GHZ].ht_cap, + &wl->ht_cap[IEEE80211_BAND_5GHZ], + sizeof(*wl->ht_cap)); wl->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &wl->bands[IEEE80211_BAND_2GHZ]; diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 19678738a069..37a80f4bf5bb 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -368,7 +368,7 @@ struct wl1271 { u8 hw_min_ht_rate; /* HW HT (11n) capabilities */ - struct ieee80211_sta_ht_cap ht_cap; + struct ieee80211_sta_ht_cap ht_cap[IEEE80211_NUM_BANDS]; /* size of the private FW status data */ size_t fw_status_priv_len; From 2e42c203a9a825d04da400bd45b601f94c0cf362 Mon Sep 17 00:00:00 2001 From: Yoni Divinsky Date: Tue, 8 May 2012 14:02:11 +0300 Subject: [PATCH 136/241] wlcore: use psd_type indexing according to spec In ieee80211.h the uapsd bit mask is defined such that VO=BIT(0), VI=BIT(1), BK=BIT(2), BE=BIT(3). The firmware uses the indexing as defined in the ieee80211 spec, meaning that VO=3, VI=2, BK=1, BE=0. In AP mode when adding peer wlcore needs to convert the indexing accordingly. Signed-off-by: Yoni Divinsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/cmd.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index 5b14446ece4a..e8c650dec18c 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -1374,9 +1374,12 @@ int wl12xx_cmd_add_peer(struct wl1271 *wl, struct wl12xx_vif *wlvif, for (i = 0; i < NUM_ACCESS_CATEGORIES_COPY; i++) if (sta->wme && (sta->uapsd_queues & BIT(i))) - cmd->psd_type[i] = WL1271_PSD_UPSD_TRIGGER; + cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = + WL1271_PSD_UPSD_TRIGGER; else - cmd->psd_type[i] = WL1271_PSD_LEGACY; + cmd->psd_type[NUM_ACCESS_CATEGORIES_COPY-1-i] = + WL1271_PSD_LEGACY; + sta_rates = sta->supp_rates[wlvif->band]; if (sta->ht_cap.ht_supported) From 4a6c789b731a095da745d513f9ea0b5531acc9c7 Mon Sep 17 00:00:00 2001 From: Yoni Divinsky Date: Tue, 8 May 2012 14:02:12 +0300 Subject: [PATCH 137/241] wl12xx: set the irq polarity before loading the fw The polarity should be set before the firmware is loaded since the firmware touches the same register. Access of the firmware and driver to the same register will cause a collision since there is no exclusion scheme. Signed-off-by: Yoni Divinsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 774a1b71e84e..a5af2b1ec863 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -995,7 +995,7 @@ static int wl12xx_pre_boot(struct wl1271 *wl) static void wl12xx_pre_upload(struct wl1271 *wl) { - u32 tmp; + u32 tmp, polarity; /* write firmware's last address (ie. it's length) to * ACX_EEPROMLESS_IND_REG */ @@ -1015,18 +1015,18 @@ static void wl12xx_pre_upload(struct wl1271 *wl) if (wl->chip.id == CHIP_ID_1283_PG20) wl12xx_top_reg_write(wl, SDIO_IO_DS, HCI_IO_DS_6MA); -} - -static void wl12xx_enable_interrupts(struct wl1271 *wl) -{ - u32 polarity; + /* polarity must be set before the firmware is loaded */ polarity = wl12xx_top_reg_read(wl, OCP_REG_POLARITY); /* We use HIGH polarity, so unset the LOW bit */ polarity &= ~POLARITY_LOW; wl12xx_top_reg_write(wl, OCP_REG_POLARITY, polarity); +} + +static void wl12xx_enable_interrupts(struct wl1271 *wl) +{ wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); wlcore_enable_interrupts(wl); From feb47eb86b44fb420c7fe92726e5f359bcea4bdf Mon Sep 17 00:00:00 2001 From: Yoni Divinsky Date: Tue, 8 May 2012 14:02:14 +0300 Subject: [PATCH 138/241] wlcore: fix the CONF_TX_AC_ANY_TID to be 0xff In the enum conf_tx_ac CONF_TX_AC_ANY_TID should be 0xff to match the firmware's implementation. Signed-off-by: Yoni Divinsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/conf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 14dd361fa828..d2c4885d0d77 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -518,7 +518,7 @@ enum conf_tx_ac { CONF_TX_AC_VI = 2, /* video */ CONF_TX_AC_VO = 3, /* voice */ CONF_TX_AC_CTS2SELF = 4, /* fictitious AC, follows AC_VO */ - CONF_TX_AC_ANY_TID = 0x1f + CONF_TX_AC_ANY_TID = 0xff }; struct conf_tx_ac_category { From d1bcb53f91ed6838dccb04aa5cf71ea8a98770f2 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 16:46:56 +0300 Subject: [PATCH 139/241] wlcore: flush tx on CHANGE_CHANNEL On CHANGE_CHANNEL indication, we should flush all the queued tx frames, so they will be sent on the correct (current) channel. Signed-off-by: Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index c08df334b9d5..b0607f6e4e4e 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2557,8 +2557,9 @@ static int wl1271_op_config(struct ieee80211_hw *hw, u32 changed) * frames, such as the deauth. To make sure those frames reach the air, * wait here until the TX queue is fully flushed. */ - if ((changed & IEEE80211_CONF_CHANGE_IDLE) && - (conf->flags & IEEE80211_CONF_IDLE)) + if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || + ((changed & IEEE80211_CONF_CHANGE_IDLE) && + (conf->flags & IEEE80211_CONF_IDLE))) wl1271_tx_flush(wl); mutex_lock(&wl->mutex); From 0c2129843502833c6e4117db8f312b625a23ef15 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 16:46:57 +0300 Subject: [PATCH 140/241] wlcore: increase WL1271_EVENT_TIMEOUT In some cases, the ROC_COMPLETE event might exceed the current timeout (750 msec). Increase it to 1 sec. Signed-off-by: Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/cmd.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.h b/drivers/net/wireless/ti/wlcore/cmd.h index 2aafe3df0fb0..85171f2bf68e 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.h +++ b/drivers/net/wireless/ti/wlcore/cmd.h @@ -192,7 +192,7 @@ enum cmd_templ { #define WL1271_COMMAND_TIMEOUT 2000 #define WL1271_CMD_TEMPL_DFLT_SIZE 252 #define WL1271_CMD_TEMPL_MAX_SIZE 512 -#define WL1271_EVENT_TIMEOUT 750 +#define WL1271_EVENT_TIMEOUT 1000 struct wl1271_cmd_header { __le16 id; From 5a344b87ce1f27dade9f320aeb08ba7401d8c984 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 15 May 2012 16:46:58 +0300 Subject: [PATCH 141/241] wlcore: remove duplicate BUG_ON during recovery This BUG_ON also ignored the INTENDED_FW_RECOVERY flag. This would result in a BUG() when using the bug_on_recovery module parameter during multi-role. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index b0607f6e4e4e..414fde41072c 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -852,8 +852,6 @@ static void wl1271_recovery_work(struct work_struct *work) goto out_unlock; } - BUG_ON(bug_on_recovery); - /* * Advance security sequence number to overcome potential progress * in the firmware during recovery. This doens't hurt if the network is From 836d3f2058ca42eda96dcf187cd72a0ea2a5bf6c Mon Sep 17 00:00:00 2001 From: Victor Goldenshtein Date: Thu, 10 May 2012 17:08:33 +0300 Subject: [PATCH 142/241] wl12xx: fix fm_coex parameters configuration Wrong fm_coex parameters were set during wl12xx init phase, fix it. Signed-off-by: Ziv Riesel Signed-off-by: Victor Goldenshtein Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index a5af2b1ec863..77e0f318aa67 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -309,8 +309,8 @@ static struct wlcore_conf wl12xx_conf = { .swallow_period = 5, .n_divider_fref_set_1 = 0xff, /* default */ .n_divider_fref_set_2 = 12, - .m_divider_fref_set_1 = 148, - .m_divider_fref_set_2 = 0xffff, /* default */ + .m_divider_fref_set_1 = 0xffff, + .m_divider_fref_set_2 = 148, /* default */ .coex_pll_stabilization_time = 0xffffffff, /* default */ .ldo_stabilization_time = 0xffff, /* default */ .fm_disturbed_band_margin = 0xff, /* default */ From 461b958fd62c62b61d27e0f567128eb2170c0cf2 Mon Sep 17 00:00:00 2001 From: Victor Goldenshtein Date: Tue, 15 May 2012 17:15:40 +0300 Subject: [PATCH 143/241] wl18xx: fix fm_coex parameters configuration Wrong fm_coex parameters were set during wl18xx init phase, fix it. Signed-off-by: Ziv Riesel Signed-off-by: Victor Goldenshtein Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 6cd61186d06c..d67be3eae3d9 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -427,8 +427,8 @@ static struct wlcore_conf wl18xx_conf = { .swallow_period = 5, .n_divider_fref_set_1 = 0xff, /* default */ .n_divider_fref_set_2 = 12, - .m_divider_fref_set_1 = 148, - .m_divider_fref_set_2 = 0xffff, /* default */ + .m_divider_fref_set_1 = 0xffff, + .m_divider_fref_set_2 = 148, /* default */ .coex_pll_stabilization_time = 0xffffffff, /* default */ .ldo_stabilization_time = 0xffff, /* default */ .fm_disturbed_band_margin = 0xff, /* default */ From e832837bbb91ae8610fa0a0f3d243d42823ec815 Mon Sep 17 00:00:00 2001 From: Victor Goldenshtein Date: Mon, 14 May 2012 13:55:47 +0300 Subject: [PATCH 144/241] wlcore: don't enable BET for high basic rates The beacon early termination is not relevant for high basic rates, which doesn't contribute anything to the PS and only adds unnecessary FW work. Enable BET only if the basic rate is less than 9 Mbps. Signed-off-by: Ziv Riesel Signed-off-by: Victor Goldenshtein Signed-off-by: Igal Chernobelsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/ps.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/ps.c b/drivers/net/wireless/ti/wlcore/ps.c index 958535dee9f3..47e81b32f7da 100644 --- a/drivers/net/wireless/ti/wlcore/ps.c +++ b/drivers/net/wireless/ti/wlcore/ps.c @@ -193,8 +193,12 @@ int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, set_bit(WLVIF_FLAG_IN_PS, &wlvif->flags); - /* enable beacon early termination. Not relevant for 5GHz */ - if (wlvif->band == IEEE80211_BAND_2GHZ) { + /* + * enable beacon early termination. + * Not relevant for 5GHz and for high rates. + */ + if ((wlvif->band == IEEE80211_BAND_2GHZ) && + (wlvif->basic_rate < CONF_HW_BIT_RATE_9MBPS)) { ret = wl1271_acx_bet_enable(wl, wlvif, true); if (ret < 0) return ret; @@ -204,7 +208,8 @@ int wl1271_ps_set_mode(struct wl1271 *wl, struct wl12xx_vif *wlvif, wl1271_debug(DEBUG_PSM, "leaving psm"); /* disable beacon early termination */ - if (wlvif->band == IEEE80211_BAND_2GHZ) { + if ((wlvif->band == IEEE80211_BAND_2GHZ) && + (wlvif->basic_rate < CONF_HW_BIT_RATE_9MBPS)) { ret = wl1271_acx_bet_enable(wl, wlvif, false); if (ret < 0) return ret; From a4203c6453afcd21b3a6f0be592bf74951e80c72 Mon Sep 17 00:00:00 2001 From: Victor Goldenshtein Date: Mon, 14 May 2012 16:07:38 +0300 Subject: [PATCH 145/241] wlcore: wait for roc complete only for the first roc command In some multi role scenarios the driver might send multi roc requests without sending a croc first, the fw queues those requests and starts service the next roc request as soon as the driver sends a croc for the previous one. So, if the fw rocs on channel X and driver asks to roc also on channel Y, the fw will not start service Y (and will not send roc complete event for this request) until the driver releases the fw with croc X. Signed-off-by: Victor Goldenshtein Signed-off-by: Igal Chernobelsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/cmd.c | 16 +++++++++++----- 1 file changed, 11 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index e8c650dec18c..df8d672b1f06 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -1606,19 +1606,25 @@ static int wl12xx_cmd_croc(struct wl1271 *wl, u8 role_id) int wl12xx_roc(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 role_id) { int ret = 0; + bool is_first_roc; if (WARN_ON(test_bit(role_id, wl->roc_map))) return 0; + is_first_roc = (find_first_bit(wl->roc_map, WL12XX_MAX_ROLES) >= + WL12XX_MAX_ROLES); + ret = wl12xx_cmd_roc(wl, wlvif, role_id); if (ret < 0) goto out; - ret = wl1271_cmd_wait_for_event(wl, - REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); - if (ret < 0) { - wl1271_error("cmd roc event completion error"); - goto out; + if (is_first_roc) { + ret = wl1271_cmd_wait_for_event(wl, + REMAIN_ON_CHANNEL_COMPLETE_EVENT_ID); + if (ret < 0) { + wl1271_error("cmd roc event completion error"); + goto out; + } } __set_bit(role_id, wl->roc_map); From f69a23b795d6ee3673583146ed7efcbaaa5add18 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 19:56:06 +0200 Subject: [PATCH 146/241] iwlwifi: fix double free/complete in firmware loading Linus reported that due to mac80211 failing to register the device (due to WoWLAN) his machine crashed etc. as we double-freed the vmalloc() firmware area. His patch to fix it was very similar to this one but I noticed that there's another bug in the area: we complete the completion before starting, so since we're running in a work struct context stop() could be called while in the middle of start() which will almost certainly lead to issues. Make a modification similar to his to avoid the double- free but also move the completion to another spot so it is only done after start() either finished or failed so that stop() can have a consistent state. Reported-by: Linus Torvalds Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-drv.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-drv.c b/drivers/net/wireless/iwlwifi/iwl-drv.c index d742900969ea..fac67a526a30 100644 --- a/drivers/net/wireless/iwlwifi/iwl-drv.c +++ b/drivers/net/wireless/iwlwifi/iwl-drv.c @@ -861,13 +861,18 @@ static void iwl_ucode_callback(const struct firmware *ucode_raw, void *context) /* We have our copies now, allow OS release its copies */ release_firmware(ucode_raw); - complete(&drv->request_firmware_complete); drv->op_mode = iwl_dvm_ops.start(drv->trans, drv->cfg, &drv->fw); if (!drv->op_mode) - goto out_free_fw; + goto out_unbind; + /* + * Complete the firmware request last so that + * a driver unbind (stop) doesn't run while we + * are doing the start() above. + */ + complete(&drv->request_firmware_complete); return; try_again: From 0e1fa7ef25004b9c1a14147bce61c15c2f1c6744 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 09:38:35 +0200 Subject: [PATCH 147/241] iwlwifi: unregister LEDs if mac80211 registration fails Otherwise the LEDs stick around and cause issues the next time around since they're still there but not really hooked up. Cc: stable@kernel.org Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-mac80211.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/iwlwifi/iwl-mac80211.c b/drivers/net/wireless/iwlwifi/iwl-mac80211.c index 5d158ca9d246..3ee23134c02b 100644 --- a/drivers/net/wireless/iwlwifi/iwl-mac80211.c +++ b/drivers/net/wireless/iwlwifi/iwl-mac80211.c @@ -251,6 +251,7 @@ int iwlagn_mac_setup_register(struct iwl_priv *priv, ret = ieee80211_register_hw(priv->hw); if (ret) { IWL_ERR(priv, "Failed to register hw (error %d)\n", ret); + iwl_leds_exit(priv); return ret; } priv->mac80211_registered = 1; From 463454b5dbd8dbab6e2fc6c557329e5b811b9c32 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 12:16:50 +0200 Subject: [PATCH 148/241] cfg80211: fix interface combinations check If a given interface combination doesn't contain a required interface type then we missed checking that and erroneously allowed it even though iface type wasn't there at all. Add a check that makes sure that all interface types are accounted for. Cc: stable@kernel.org Reported-by: Mohammed Shafi Shajakhan Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/wireless/util.c | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/net/wireless/util.c b/net/wireless/util.c index 55d99466babb..8f2d68fc3a44 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -935,6 +935,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, enum nl80211_iftype iftype) { struct wireless_dev *wdev_iter; + u32 used_iftypes = BIT(iftype); int num[NUM_NL80211_IFTYPES]; int total = 1; int i, j; @@ -961,6 +962,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, num[wdev_iter->iftype]++; total++; + used_iftypes |= BIT(wdev_iter->iftype); } mutex_unlock(&rdev->devlist_mtx); @@ -970,6 +972,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, for (i = 0; i < rdev->wiphy.n_iface_combinations; i++) { const struct ieee80211_iface_combination *c; struct ieee80211_iface_limit *limits; + u32 all_iftypes = 0; c = &rdev->wiphy.iface_combinations[i]; @@ -984,6 +987,7 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, if (rdev->wiphy.software_iftypes & BIT(iftype)) continue; for (j = 0; j < c->n_limits; j++) { + all_iftypes |= limits[j].types; if (!(limits[j].types & BIT(iftype))) continue; if (limits[j].max < num[iftype]) @@ -991,7 +995,20 @@ int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, limits[j].max -= num[iftype]; } } - /* yay, it fits */ + + /* + * Finally check that all iftypes that we're currently + * using are actually part of this combination. If they + * aren't then we can't use this combination and have + * to continue to the next. + */ + if ((all_iftypes & used_iftypes) != used_iftypes) + goto cont; + + /* + * This combination covered all interface types and + * supported the requested numbers, so we're good. + */ kfree(limits); return 0; cont: From 2c0133a437905591cdaa39cf65a3f7188d20a094 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Fri, 18 May 2012 07:46:36 +0300 Subject: [PATCH 149/241] wlcore/wl12xx/wl18xx: introduce quirk to remove TKIP header space 18xx chips do not require extra space in the TKIP header. Introduce a new HW quirk to allow us to make this feature arch-specific. 12xx chip will now have this quirk. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 9 ++++++--- drivers/net/wireless/ti/wl18xx/tx.c | 3 ++- drivers/net/wireless/ti/wlcore/cmd.c | 5 +++-- drivers/net/wireless/ti/wlcore/main.c | 8 +++++--- drivers/net/wireless/ti/wlcore/tx.c | 9 ++++++--- drivers/net/wireless/ti/wlcore/wlcore.h | 3 +++ 6 files changed, 25 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 77e0f318aa67..d33117efec79 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -625,7 +625,8 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl1271_warning("chip id 0x%x (1271 PG10) support is obsolete", wl->chip.id); - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; + wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | + WLCORE_QUIRK_TKIP_HEADER_SPACE; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; memcpy(&wl->conf.mem, &wl12xx_default_priv_conf.mem_wl127x, @@ -640,7 +641,8 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl1271_debug(DEBUG_BOOT, "chip id 0x%x (1271 PG20)", wl->chip.id); - wl->quirks |= WLCORE_QUIRK_LEGACY_NVS; + wl->quirks |= WLCORE_QUIRK_LEGACY_NVS | + WLCORE_QUIRK_TKIP_HEADER_SPACE; wl->plt_fw_name = WL127X_PLT_FW_NAME; wl->sr_fw_name = WL127X_FW_NAME_SINGLE; wl->mr_fw_name = WL127X_FW_NAME_MULTI; @@ -660,7 +662,8 @@ static int wl12xx_identify_chip(struct wl1271 *wl) wl->mr_fw_name = WL128X_FW_NAME_MULTI; /* wl128x requires TX blocksize alignment */ - wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN; + wl->quirks |= WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN | + WLCORE_QUIRK_TKIP_HEADER_SPACE; break; case CHIP_ID_1283_PG10: diff --git a/drivers/net/wireless/ti/wl18xx/tx.c b/drivers/net/wireless/ti/wl18xx/tx.c index 4de00b901505..5b1fb10d9fd7 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.c +++ b/drivers/net/wireless/ti/wl18xx/tx.c @@ -75,7 +75,8 @@ static void wl18xx_tx_complete_packet(struct wl1271 *wl, u8 tx_stat_byte) skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); /* remove TKIP header space if present */ - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, hdrlen); diff --git a/drivers/net/wireless/ti/wlcore/cmd.c b/drivers/net/wireless/ti/wlcore/cmd.c index df8d672b1f06..885364ca4344 100644 --- a/drivers/net/wireless/ti/wlcore/cmd.c +++ b/drivers/net/wireless/ti/wlcore/cmd.c @@ -1046,7 +1046,7 @@ struct sk_buff *wl1271_cmd_build_ap_probe_req(struct wl1271 *wl, int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) { - int ret, extra; + int ret, extra = 0; u16 fc; struct ieee80211_vif *vif = wl12xx_wlvif_to_vif(wlvif); struct sk_buff *skb; @@ -1085,7 +1085,8 @@ int wl1271_cmd_build_arp_rsp(struct wl1271 *wl, struct wl12xx_vif *wlvif) /* encryption space */ switch (wlvif->encryption_type) { case KEY_TKIP: - extra = WL1271_EXTRA_SPACE_TKIP; + if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) + extra = WL1271_EXTRA_SPACE_TKIP; break; case KEY_AES: extra = WL1271_EXTRA_SPACE_AES; diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 414fde41072c..5ac062831666 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -4975,9 +4975,11 @@ static int wl1271_init_ieee80211(struct wl1271 *wl) WL1271_CIPHER_SUITE_GEM, }; - /* The tx descriptor buffer and the TKIP space. */ - wl->hw->extra_tx_headroom = WL1271_EXTRA_SPACE_TKIP + - sizeof(struct wl1271_tx_hw_descr); + /* The tx descriptor buffer */ + wl->hw->extra_tx_headroom = sizeof(struct wl1271_tx_hw_descr); + + if (wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) + wl->hw->extra_tx_headroom += WL1271_EXTRA_SPACE_TKIP; /* unit us */ /* FIXME: find a proper value */ diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index e8a2998408b6..6b68e29a1e92 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -358,7 +358,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, /* TODO: handle dummy packets on multi-vifs */ is_dummy = wl12xx_is_dummy_packet(wl, skb); - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) extra = WL1271_EXTRA_SPACE_TKIP; @@ -852,7 +853,8 @@ static void wl1271_tx_complete_packet(struct wl1271 *wl, skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); /* remove TKIP header space if present */ - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); memmove(skb->data + WL1271_EXTRA_SPACE_TKIP, skb->data, @@ -1001,7 +1003,8 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) */ info = IEEE80211_SKB_CB(skb); skb_pull(skb, sizeof(struct wl1271_tx_hw_descr)); - if (info->control.hw_key && + if ((wl->quirks & WLCORE_QUIRK_TKIP_HEADER_SPACE) && + info->control.hw_key && info->control.hw_key->cipher == WLAN_CIPHER_SUITE_TKIP) { int hdrlen = ieee80211_get_hdrlen_from_skb(skb); diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 37a80f4bf5bb..16c28bbd1b20 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -411,6 +411,9 @@ int wlcore_free_hw(struct wl1271 *wl); /* Some firmwares may not support ELP */ #define WLCORE_QUIRK_NO_ELP BIT(6) +/* extra header space is required for TKIP */ +#define WLCORE_QUIRK_TKIP_HEADER_SPACE BIT(8) + /* TODO: move to the lower drivers when all usages are abstracted */ #define CHIP_ID_1271_PG10 (0x4030101) #define CHIP_ID_1271_PG20 (0x4030111) From 32bb2c03f990d015c0fec67e9134ea8625aaf784 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Fri, 18 May 2012 07:46:37 +0300 Subject: [PATCH 150/241] wlcore/wl12xx/wl18xx: handle spare blocks spacial cases per arch Add a HW op for getting spare blocks. 12xx cards require 2 spare blocks for GEM encrypted SKBs, regardless of VIFs or keys programmed into the FW. 18xx cards require 2 spare blocks when there are any connected TKIP or GEM VIFs. For now always return 2 spare blocks, as this works with all networks. The special case TKIP/GEM functionality is added at a later patch. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 11 +++++++++-- drivers/net/wireless/ti/wl18xx/main.c | 11 ++++++++--- drivers/net/wireless/ti/wl18xx/tx.h | 3 ++- drivers/net/wireless/ti/wlcore/debugfs.c | 1 - drivers/net/wireless/ti/wlcore/hw_ops.h | 9 +++++++++ drivers/net/wireless/ti/wlcore/main.c | 11 ----------- drivers/net/wireless/ti/wlcore/tx.c | 20 ++++++++++---------- drivers/net/wireless/ti/wlcore/wlcore.h | 5 +---- drivers/net/wireless/ti/wlcore/wlcore_i.h | 3 --- 9 files changed, 39 insertions(+), 35 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index d33117efec79..03ff1ce56bb4 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1361,6 +1361,14 @@ static int wl12xx_plt_init(struct wl1271 *wl) return ret; } +static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) +{ + if (is_gem) + return WL12XX_TX_HW_BLOCK_GEM_SPARE; + + return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, @@ -1384,6 +1392,7 @@ static struct wlcore_ops wl12xx_ops = { .set_rx_csum = NULL, .ap_get_mimo_wide_rate_mask = NULL, .debugfs_init = wl12xx_debugfs_add_files, + .get_spare_blocks = wl12xx_get_spare_blocks, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { @@ -1419,8 +1428,6 @@ static int __devinit wl12xx_probe(struct platform_device *pdev) wl->rtable = wl12xx_rtable; wl->num_tx_desc = 16; wl->num_rx_desc = 8; - wl->normal_tx_spare = WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; - wl->gem_tx_spare = WL12XX_TX_HW_BLOCK_GEM_SPARE; wl->band_rate_to_idx = wl12xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL12XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL12XX_CONF_HW_RXTX_RATE_MCS0; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index d67be3eae3d9..c651f872d7d5 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -874,7 +874,7 @@ static int wl18xx_hw_init(struct wl1271 *wl) ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap, sdio_align_size, - WL18XX_TX_HW_BLOCK_SPARE, + WL18XX_TX_HW_EXTRA_BLOCK_SPARE, WL18XX_HOST_IF_LEN_SIZE_FIELD); if (ret < 0) return ret; @@ -1034,6 +1034,12 @@ static int wl18xx_handle_static_data(struct wl1271 *wl, return 0; } +static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) +{ + /* TODO: dynamically change to extra only when we have GEM or TKIP */ + return WL18XX_TX_HW_EXTRA_BLOCK_SPARE; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -1056,6 +1062,7 @@ static struct wlcore_ops wl18xx_ops = { .get_mac = wl18xx_get_mac, .debugfs_init = wl18xx_debugfs_add_files, .handle_static_data = wl18xx_handle_static_data, + .get_spare_blocks = wl18xx_get_spare_blocks, }; /* HT cap appropriate for wide channels */ @@ -1129,8 +1136,6 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) wl->rtable = wl18xx_rtable; wl->num_tx_desc = 32; wl->num_rx_desc = 16; - wl->normal_tx_spare = WL18XX_TX_HW_BLOCK_SPARE; - wl->gem_tx_spare = WL18XX_TX_HW_GEM_BLOCK_SPARE; wl->band_rate_to_idx = wl18xx_band_rate_to_idx; wl->hw_tx_rate_tbl_size = WL18XX_CONF_HW_RXTX_RATE_MAX; wl->hw_min_ht_rate = WL18XX_CONF_HW_RXTX_RATE_MCS0; diff --git a/drivers/net/wireless/ti/wl18xx/tx.h b/drivers/net/wireless/ti/wl18xx/tx.h index 2417262de207..8aecaf09da9c 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.h +++ b/drivers/net/wireless/ti/wl18xx/tx.h @@ -25,7 +25,8 @@ #include "../wlcore/wlcore.h" #define WL18XX_TX_HW_BLOCK_SPARE 1 -#define WL18XX_TX_HW_GEM_BLOCK_SPARE 2 +/* for special cases - namely, TKIP and GEM */ +#define WL18XX_TX_HW_EXTRA_BLOCK_SPARE 2 #define WL18XX_TX_HW_BLOCK_SIZE 268 #define WL18XX_TX_STATUS_DESC_ID_MASK 0x7F diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index fc44262e4cf0..fcd60636e9d1 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -507,7 +507,6 @@ static ssize_t vifs_state_read(struct file *file, char __user *user_buf, VIF_STATE_PRINT_INT(last_rssi_event); VIF_STATE_PRINT_INT(ba_support); VIF_STATE_PRINT_INT(ba_allowed); - VIF_STATE_PRINT_INT(is_gem); VIF_STATE_PRINT_LLHEX(tx_security_seq); VIF_STATE_PRINT_INT(tx_security_last_seq_lsb); } diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index c590b6f529d1..2cb35218ba47 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -167,4 +167,13 @@ wlcore_handle_static_data(struct wl1271 *wl, void *static_data) return 0; } +static inline int +wlcore_hw_get_spare_blocks(struct wl1271 *wl, bool is_gem) +{ + if (!wl->ops->get_spare_blocks) + BUG_ON(1); + + return wl->ops->get_spare_blocks(wl, is_gem); +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 5ac062831666..0f25d4eea037 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2799,17 +2799,6 @@ static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, int ret; bool is_ap = (wlvif->bss_type == BSS_TYPE_AP_BSS); - /* - * A role set to GEM cipher requires different Tx settings (namely - * spare blocks). Note when we are in this mode so the HW can adjust. - */ - if (key_type == KEY_GEM) { - if (action == KEY_ADD_OR_REPLACE) - wlvif->is_gem = true; - else if (action == KEY_REMOVE) - wlvif->is_gem = false; - } - if (is_ap) { struct wl1271_station *wl_sta; u8 hlid; diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 6b68e29a1e92..0949ab1f5972 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -187,28 +187,24 @@ EXPORT_SYMBOL(wlcore_calc_packet_alignment); static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, struct sk_buff *skb, u32 extra, u32 buf_offset, - u8 hlid) + u8 hlid, bool is_gem) { struct wl1271_tx_hw_descr *desc; u32 total_len = skb->len + sizeof(struct wl1271_tx_hw_descr) + extra; u32 total_blocks; int id, ret = -EBUSY, ac; - u32 spare_blocks = wl->normal_tx_spare; - bool is_dummy = false; + u32 spare_blocks; if (buf_offset + total_len > WL1271_AGGR_BUFFER_SIZE) return -EAGAIN; + spare_blocks = wlcore_hw_get_spare_blocks(wl, is_gem); + /* allocate free identifier for the packet */ id = wl1271_alloc_tx_id(wl, skb); if (id < 0) return id; - if (unlikely(wl12xx_is_dummy_packet(wl, skb))) - is_dummy = true; - else if (wlvif->is_gem) - spare_blocks = wl->gem_tx_spare; - total_blocks = wlcore_hw_calc_tx_blocks(wl, total_len, spare_blocks); if (total_blocks <= wl->tx_blocks_available) { @@ -230,7 +226,7 @@ static int wl1271_tx_allocate(struct wl1271 *wl, struct wl12xx_vif *wlvif, ac = wl1271_tx_get_queue(skb_get_queue_mapping(skb)); wl->tx_allocated_pkts[ac]++; - if (!is_dummy && wlvif && + if (!wl12xx_is_dummy_packet(wl, skb) && wlvif && wlvif->bss_type == BSS_TYPE_AP_BSS && test_bit(hlid, wlvif->ap.sta_hlid_map)) wl->links[hlid].allocated_pkts++; @@ -349,6 +345,7 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, u32 total_len; u8 hlid; bool is_dummy; + bool is_gem = false; if (!skb) return -EINVAL; @@ -377,6 +374,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, return ret; wlvif->default_key = idx; } + + is_gem = (cipher == WL1271_CIPHER_SUITE_GEM); } hlid = wl12xx_tx_get_hlid(wl, wlvif, skb); if (hlid == WL12XX_INVALID_LINK_ID) { @@ -384,7 +383,8 @@ static int wl1271_prepare_tx_frame(struct wl1271 *wl, struct wl12xx_vif *wlvif, return -EINVAL; } - ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid); + ret = wl1271_tx_allocate(wl, wlvif, skb, extra, buf_offset, hlid, + is_gem); if (ret < 0) return ret; diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 16c28bbd1b20..5274ace6c8e4 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -75,6 +75,7 @@ struct wlcore_ops { int (*debugfs_init)(struct wl1271 *wl, struct dentry *rootdir); int (*handle_static_data)(struct wl1271 *wl, struct wl1271_static_data *static_data); + int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem); }; enum wlcore_partitions { @@ -354,10 +355,6 @@ struct wl1271 { /* number of RX descriptors the HW supports. */ u32 num_rx_desc; - /* spare Tx blocks for normal/GEM operating modes */ - u32 normal_tx_spare; - u32 gem_tx_spare; - /* translate HW Tx rates to standard rate-indices */ const u8 **band_rate_to_idx; diff --git a/drivers/net/wireless/ti/wlcore/wlcore_i.h b/drivers/net/wireless/ti/wlcore/wlcore_i.h index 83c9869105c3..8260b1e9288a 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore_i.h +++ b/drivers/net/wireless/ti/wlcore/wlcore_i.h @@ -417,9 +417,6 @@ struct wl12xx_vif { struct work_struct rx_streaming_disable_work; struct timer_list rx_streaming_timer; - /* does the current role use GEM for encryption (AP or STA) */ - bool is_gem; - /* * This struct must be last! * data that has to be saved acrossed reconfigs (e.g. recovery) From 6639611467f34038aa63c5cb9f8d9e48171d6022 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Fri, 18 May 2012 07:46:38 +0300 Subject: [PATCH 151/241] wlcore: add stop reason bitmap for waking/starting queues Allow the driver to wake/stop the queues for multiple reasons. A queue is started when no stop-reasons exist. Convert all wake/stop queue calls to use the new API. Before, a stopped queue was almost synonymous a high-watermark on Tx. Remove a bit of code in wl12xx_tx_reset() that relied on it. Internal packets arriving from mac80211 are also discarded when a queue is stopped. A notable exception to this is the watermark reason, which is a "soft"-stop reason. We allow traffic to gradually come to a halt, but we don't mind spurious packets here and there. This is merely a flow regulation mechanism. Based on a similar patch by Eliad Peller . Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 21 +++-- drivers/net/wireless/ti/wlcore/tx.c | 109 +++++++++++++++++++++--- drivers/net/wireless/ti/wlcore/tx.h | 21 ++++- drivers/net/wireless/ti/wlcore/wlcore.h | 2 +- 4 files changed, 132 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 0f25d4eea037..bbab19a1ce8a 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -865,7 +865,7 @@ static void wl1271_recovery_work(struct work_struct *work) } /* Prevent spurious TX during FW restart */ - ieee80211_stop_queues(wl->hw); + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); if (wl->sched_scanning) { ieee80211_sched_scan_stopped(wl->hw); @@ -890,7 +890,7 @@ static void wl1271_recovery_work(struct work_struct *work) * Its safe to enable TX now - the queues are stopped after a request * to restart the HW. */ - ieee80211_wake_queues(wl->hw); + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); return; out_unlock: mutex_unlock(&wl->mutex); @@ -1107,9 +1107,16 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) spin_lock_irqsave(&wl->wl_lock, flags); - /* queue the packet */ + /* + * drop the packet if the link is invalid or the queue is stopped + * for any reason but watermark. Watermark is a "soft"-stop so we + * allow these packets through. + */ if (hlid == WL12XX_INVALID_LINK_ID || - (wlvif && !test_bit(hlid, wlvif->links_map))) { + (wlvif && !test_bit(hlid, wlvif->links_map)) || + (wlcore_is_queue_stopped(wl, q) && + !wlcore_is_queue_stopped_by_reason(wl, q, + WLCORE_QUEUE_STOP_REASON_WATERMARK))) { wl1271_debug(DEBUG_TX, "DROP skb hlid %d q %d", hlid, q); ieee80211_free_txskb(hw, skb); goto out; @@ -1127,8 +1134,8 @@ static void wl1271_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb) */ if (wl->tx_queue_count[q] >= WL1271_TX_QUEUE_HIGH_WATERMARK) { wl1271_debug(DEBUG_TX, "op_tx: stopping queues for q %d", q); - ieee80211_stop_queue(wl->hw, mapping); - set_bit(q, &wl->stopped_queues_map); + wlcore_stop_queue_locked(wl, q, + WLCORE_QUEUE_STOP_REASON_WATERMARK); } /* @@ -1711,7 +1718,7 @@ static void wl1271_op_stop(struct ieee80211_hw *hw) cancel_delayed_work_sync(&wl->connection_loss_work); /* let's notify MAC80211 about the remaining pending TX frames */ - wl12xx_tx_reset(wl, true); + wl12xx_tx_reset(wl); mutex_lock(&wl->mutex); wl1271_power_off(wl); diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 0949ab1f5972..f68567b1524c 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -443,18 +443,15 @@ u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, void wl1271_handle_tx_low_watermark(struct wl1271 *wl) { - unsigned long flags; int i; for (i = 0; i < NUM_TX_QUEUES; i++) { - if (test_bit(i, &wl->stopped_queues_map) && + if (wlcore_is_queue_stopped_by_reason(wl, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK) && wl->tx_queue_count[i] <= WL1271_TX_QUEUE_LOW_WATERMARK) { /* firmware buffer has space, restart queues */ - spin_lock_irqsave(&wl->wl_lock, flags); - ieee80211_wake_queue(wl->hw, - wl1271_tx_get_mac80211_queue(i)); - clear_bit(i, &wl->stopped_queues_map); - spin_unlock_irqrestore(&wl->wl_lock, flags); + wlcore_wake_queue(wl, i, + WLCORE_QUEUE_STOP_REASON_WATERMARK); } } } @@ -963,7 +960,7 @@ void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif) } /* caller must hold wl->mutex and TX must be stopped */ -void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) +void wl12xx_tx_reset(struct wl1271 *wl) { int i; struct sk_buff *skb; @@ -978,15 +975,12 @@ void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues) wl->tx_queue_count[i] = 0; } - wl->stopped_queues_map = 0; - /* * Make sure the driver is at a consistent state, in case this * function is called from a context other than interface removal. * This call will always wake the TX queues. */ - if (reset_tx_queues) - wl1271_handle_tx_low_watermark(wl); + wl1271_handle_tx_low_watermark(wl); for (i = 0; i < wl->num_tx_desc; i++) { if (wl->tx_frames[i] == NULL) @@ -1060,3 +1054,94 @@ u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) return BIT(__ffs(rate_set)); } + +void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + bool stopped = !!wl->queue_stop_reasons[queue]; + + /* queue should not be stopped for this reason */ + WARN_ON(test_and_set_bit(reason, &wl->queue_stop_reasons[queue])); + + if (stopped) + return; + + ieee80211_stop_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); +} + +void wlcore_stop_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + wlcore_stop_queue_locked(wl, queue, reason); + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +void wlcore_wake_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + + /* queue should not be clear for this reason */ + WARN_ON(!test_and_clear_bit(reason, &wl->queue_stop_reasons[queue])); + + if (wl->queue_stop_reasons[queue]) + goto out; + + ieee80211_wake_queue(wl->hw, wl1271_tx_get_mac80211_queue(queue)); + +out: + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +void wlcore_stop_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason) +{ + int i; + + for (i = 0; i < NUM_TX_QUEUES; i++) + wlcore_stop_queue(wl, i, reason); +} + +void wlcore_wake_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason) +{ + int i; + + for (i = 0; i < NUM_TX_QUEUES; i++) + wlcore_wake_queue(wl, i, reason); +} + +void wlcore_reset_stopped_queues(struct wl1271 *wl) +{ + int i; + unsigned long flags; + + spin_lock_irqsave(&wl->wl_lock, flags); + + for (i = 0; i < NUM_TX_QUEUES; i++) { + if (!wl->queue_stop_reasons[i]) + continue; + + wl->queue_stop_reasons[i] = 0; + ieee80211_wake_queue(wl->hw, + wl1271_tx_get_mac80211_queue(i)); + } + + spin_unlock_irqrestore(&wl->wl_lock, flags); +} + +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason) +{ + return test_bit(reason, &wl->queue_stop_reasons[queue]); +} + +bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue) +{ + return !!wl->queue_stop_reasons[queue]; +} diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index e24c436bf65f..6bf695681762 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -184,6 +184,11 @@ struct wl1271_tx_hw_res_if { struct wl1271_tx_hw_res_descr tx_results_queue[TX_HW_RESULT_QUEUE_LEN]; } __packed; +enum wlcore_queue_stop_reason { + WLCORE_QUEUE_STOP_REASON_WATERMARK, + WLCORE_QUEUE_STOP_REASON_FW_RESTART, +}; + static inline int wl1271_tx_get_queue(int queue) { switch (queue) { @@ -230,7 +235,7 @@ void wl1271_tx_work(struct work_struct *work); void wl1271_tx_work_locked(struct wl1271 *wl); void wl1271_tx_complete(struct wl1271 *wl); void wl12xx_tx_reset_wlvif(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl12xx_tx_reset(struct wl1271 *wl, bool reset_tx_queues); +void wl12xx_tx_reset(struct wl1271 *wl); void wl1271_tx_flush(struct wl1271 *wl); u8 wlcore_rate_to_idx(struct wl1271 *wl, u8 rate, enum ieee80211_band band); u32 wl1271_tx_enabled_rates_get(struct wl1271 *wl, u32 rate_set, @@ -247,6 +252,20 @@ void wl12xx_rearm_rx_streaming(struct wl1271 *wl, unsigned long *active_hlids); unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length); void wl1271_free_tx_id(struct wl1271 *wl, int id); +void wlcore_stop_queue_locked(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_stop_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_wake_queue(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +void wlcore_stop_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason); +void wlcore_wake_queues(struct wl1271 *wl, + enum wlcore_queue_stop_reason reason); +void wlcore_reset_stopped_queues(struct wl1271 *wl); +bool wlcore_is_queue_stopped_by_reason(struct wl1271 *wl, u8 queue, + enum wlcore_queue_stop_reason reason); +bool wlcore_is_queue_stopped(struct wl1271 *wl, u8 queue); /* from main.c */ void wl1271_free_sta(struct wl1271 *wl, struct wl12xx_vif *wlvif, u8 hlid); diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 5274ace6c8e4..681054331fd2 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -209,7 +209,7 @@ struct wl1271 { /* Frames scheduled for transmission, not handled yet */ int tx_queue_count[NUM_TX_QUEUES]; - long stopped_queues_map; + unsigned long queue_stop_reasons[NUM_TX_QUEUES]; /* Frames received, not handled yet by mac80211 */ struct sk_buff_head deferred_rx_queue; From 2c38849f4a247673c8203a569444042e32d82410 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Fri, 18 May 2012 07:46:39 +0300 Subject: [PATCH 152/241] wlcore: stop queues on Tx flush Stop network queues during Tx flush, and also drop other internal mac80211 packets (mgmt) that may arrive when the queues are stopped. When flush is done all driver queues are clear, forcefully if needed. Protect the Tx flush operation with a new mutex, to prevent concurrency that can mess us queue state. Based on a patch by Eliad Peller Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 1 + drivers/net/wireless/ti/wlcore/tx.c | 11 ++++++++++- drivers/net/wireless/ti/wlcore/tx.h | 1 + drivers/net/wireless/ti/wlcore/wlcore.h | 3 +++ 4 files changed, 15 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index bbab19a1ce8a..d81c86cbbf71 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -5148,6 +5148,7 @@ struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size) wl->state = WL1271_STATE_OFF; wl->fw_type = WL12XX_FW_TYPE_NONE; mutex_init(&wl->mutex); + mutex_init(&wl->flush_mutex); order = get_order(WL1271_AGGR_BUFFER_SIZE); wl->aggr_buf = (u8 *)__get_free_pages(GFP_KERNEL, order); diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index f68567b1524c..78bf1b9208a9 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -1024,6 +1024,11 @@ void wl1271_tx_flush(struct wl1271 *wl) int i; timeout = jiffies + usecs_to_jiffies(WL1271_TX_FLUSH_TIMEOUT); + /* only one flush should be in progress, for consistent queue state */ + mutex_lock(&wl->flush_mutex); + + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_FLUSH); + while (!time_after(jiffies, timeout)) { mutex_lock(&wl->mutex); wl1271_debug(DEBUG_TX, "flushing tx buffer: %d %d", @@ -1032,7 +1037,7 @@ void wl1271_tx_flush(struct wl1271 *wl) if ((wl->tx_frames_cnt == 0) && (wl1271_tx_total_queue_count(wl) == 0)) { mutex_unlock(&wl->mutex); - return; + goto out; } mutex_unlock(&wl->mutex); msleep(1); @@ -1045,6 +1050,10 @@ void wl1271_tx_flush(struct wl1271 *wl) for (i = 0; i < WL12XX_MAX_LINKS; i++) wl1271_tx_reset_link_queues(wl, i); mutex_unlock(&wl->mutex); + +out: + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FLUSH); + mutex_unlock(&wl->flush_mutex); } u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 6bf695681762..e058a55f533d 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -187,6 +187,7 @@ struct wl1271_tx_hw_res_if { enum wlcore_queue_stop_reason { WLCORE_QUEUE_STOP_REASON_WATERMARK, WLCORE_QUEUE_STOP_REASON_FW_RESTART, + WLCORE_QUEUE_STOP_REASON_FLUSH, }; static inline int wl1271_tx_get_queue(int queue) diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 681054331fd2..99a061950a3a 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -378,6 +378,9 @@ struct wl1271 { /* the current channel type */ enum nl80211_channel_type channel_type; + + /* mutex for protecting the tx_flush function */ + struct mutex flush_mutex; }; int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); From a1c597f2b22cdc228de3c58784b00e80b9b53e03 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Fri, 18 May 2012 07:46:40 +0300 Subject: [PATCH 153/241] wlcore/wl12xx/wl18xx: implement op_set_key per HW arch The 12xx set_key just calls the common wlcore_set_key function, in order to program the keys into the FW. The 18xx variant changes the spare block count when a GEM or TKIP key is set. Also modify the get_spare_blocks HW op for 18xx to return the correct numbers of spare blocks, according to what is currently set in FW. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 9 +++ drivers/net/wireless/ti/wl18xx/acx.c | 4 ++ drivers/net/wireless/ti/wl18xx/main.c | 96 +++++++++++++++++++++---- drivers/net/wireless/ti/wl18xx/wl18xx.h | 3 + drivers/net/wireless/ti/wlcore/hw_ops.h | 12 ++++ drivers/net/wireless/ti/wlcore/main.c | 14 +++- drivers/net/wireless/ti/wlcore/tx.c | 3 + drivers/net/wireless/ti/wlcore/tx.h | 1 + drivers/net/wireless/ti/wlcore/wlcore.h | 8 +++ 9 files changed, 136 insertions(+), 14 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 03ff1ce56bb4..2f6a39bfcf18 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1369,6 +1369,14 @@ static int wl12xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) return WL12XX_TX_HW_BLOCK_SPARE_DEFAULT; } +static int wl12xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ + return wlcore_set_key(wl, cmd, vif, sta, key_conf); +} + static struct wlcore_ops wl12xx_ops = { .identify_chip = wl12xx_identify_chip, .identify_fw = wl12xx_identify_fw, @@ -1393,6 +1401,7 @@ static struct wlcore_ops wl12xx_ops = { .ap_get_mimo_wide_rate_mask = NULL, .debugfs_init = wl12xx_debugfs_add_files, .get_spare_blocks = wl12xx_get_spare_blocks, + .set_key = wl12xx_set_key, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c index 3379db23a165..01ba40321435 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.c +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -32,6 +32,10 @@ int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, struct wl18xx_acx_host_config_bitmap *bitmap_conf; int ret; + wl1271_debug(DEBUG_ACX, "acx cfg bitmap %d blk %d spare %d field %d", + host_cfg_bitmap, sdio_blk_size, extra_mem_blks, + len_field_size); + bitmap_conf = kzalloc(sizeof(*bitmap_conf), GFP_KERNEL); if (!bitmap_conf) { ret = -ENOMEM; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c651f872d7d5..9e5ce569f8da 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -848,17 +848,12 @@ static void wl18xx_tx_immediate_completion(struct wl1271 *wl) wl18xx_tx_immediate_complete(wl); } -static int wl18xx_hw_init(struct wl1271 *wl) +static int wl18xx_set_host_cfg_bitmap(struct wl1271 *wl, u32 extra_mem_blk) { int ret; - struct wl18xx_priv *priv = wl->priv; - u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE | - HOST_IF_CFG_ADD_RX_ALIGNMENT; - u32 sdio_align_size = 0; - - /* (re)init private structures. Relevant on recovery as well. */ - priv->last_fw_rls_idx = 0; + u32 host_cfg_bitmap = HOST_IF_CFG_RX_FIFO_ENABLE | + HOST_IF_CFG_ADD_RX_ALIGNMENT; /* Enable Tx SDIO padding */ if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) { @@ -873,12 +868,28 @@ static int wl18xx_hw_init(struct wl1271 *wl) } ret = wl18xx_acx_host_if_cfg_bitmap(wl, host_cfg_bitmap, - sdio_align_size, - WL18XX_TX_HW_EXTRA_BLOCK_SPARE, + sdio_align_size, extra_mem_blk, WL18XX_HOST_IF_LEN_SIZE_FIELD); if (ret < 0) return ret; + return 0; +} + +static int wl18xx_hw_init(struct wl1271 *wl) +{ + int ret; + struct wl18xx_priv *priv = wl->priv; + + /* (re)init private structures. Relevant on recovery as well. */ + priv->last_fw_rls_idx = 0; + priv->extra_spare_vif_count = 0; + + /* set the default amount of spare blocks in the bitmap */ + ret = wl18xx_set_host_cfg_bitmap(wl, WL18XX_TX_HW_BLOCK_SPARE); + if (ret < 0) + return ret; + if (checksum_param) { ret = wl18xx_acx_set_checksum_state(wl); if (ret != 0) @@ -1036,8 +1047,68 @@ static int wl18xx_handle_static_data(struct wl1271 *wl, static int wl18xx_get_spare_blocks(struct wl1271 *wl, bool is_gem) { - /* TODO: dynamically change to extra only when we have GEM or TKIP */ - return WL18XX_TX_HW_EXTRA_BLOCK_SPARE; + struct wl18xx_priv *priv = wl->priv; + + /* If we have VIFs requiring extra spare, indulge them */ + if (priv->extra_spare_vif_count) + return WL18XX_TX_HW_EXTRA_BLOCK_SPARE; + + return WL18XX_TX_HW_BLOCK_SPARE; +} + +static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ + struct wl18xx_priv *priv = wl->priv; + bool change_spare = false; + int ret; + + /* + * when adding the first or removing the last GEM/TKIP interface, + * we have to adjust the number of spare blocks. + */ + change_spare = (key_conf->cipher == WL1271_CIPHER_SUITE_GEM || + key_conf->cipher == WLAN_CIPHER_SUITE_TKIP) && + ((priv->extra_spare_vif_count == 0 && cmd == SET_KEY) || + (priv->extra_spare_vif_count == 1 && cmd == DISABLE_KEY)); + + /* no need to change spare - just regular set_key */ + if (!change_spare) + return wlcore_set_key(wl, cmd, vif, sta, key_conf); + + /* + * stop the queues and flush to ensure the next packets are + * in sync with FW spare block accounting + */ + wlcore_stop_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); + wl1271_tx_flush(wl); + + ret = wlcore_set_key(wl, cmd, vif, sta, key_conf); + if (ret < 0) + goto out; + + /* key is now set, change the spare blocks */ + if (cmd == SET_KEY) { + ret = wl18xx_set_host_cfg_bitmap(wl, + WL18XX_TX_HW_EXTRA_BLOCK_SPARE); + if (ret < 0) + goto out; + + priv->extra_spare_vif_count++; + } else { + ret = wl18xx_set_host_cfg_bitmap(wl, + WL18XX_TX_HW_BLOCK_SPARE); + if (ret < 0) + goto out; + + priv->extra_spare_vif_count--; + } + +out: + wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_SPARE_BLK); + return ret; } static struct wlcore_ops wl18xx_ops = { @@ -1063,6 +1134,7 @@ static struct wlcore_ops wl18xx_ops = { .debugfs_init = wl18xx_debugfs_add_files, .handle_static_data = wl18xx_handle_static_data, .get_spare_blocks = wl18xx_get_spare_blocks, + .set_key = wl18xx_set_key, }; /* HT cap appropriate for wide channels */ diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index 34e202bc2bb3..b9c43097d2f6 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -36,6 +36,9 @@ struct wl18xx_priv { u8 last_fw_rls_idx; u8 board_type; + + /* number of VIFs requiring extra spare mem-blocks */ + int extra_spare_vif_count; }; #define WL18XX_FW_MAX_TX_STATUS_DESC 33 diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 2cb35218ba47..34e0498727fc 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -176,4 +176,16 @@ wlcore_hw_get_spare_blocks(struct wl1271 *wl, bool is_gem) return wl->ops->get_spare_blocks(wl, is_gem); } +static inline int +wlcore_hw_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ + if (!wl->ops->set_key) + BUG_ON(1); + + return wl->ops->set_key(wl, cmd, vif, sta, key_conf); +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index d81c86cbbf71..7c4f78136bb1 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2883,12 +2883,21 @@ static int wl1271_set_key(struct wl1271 *wl, struct wl12xx_vif *wlvif, return 0; } -static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, +static int wlcore_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key_conf) { struct wl1271 *wl = hw->priv; + + return wlcore_hw_set_key(wl, cmd, vif, sta, key_conf); +} + +int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf) +{ struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; u32 tx_seq_32 = 0; @@ -2999,6 +3008,7 @@ static int wl1271_op_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return ret; } +EXPORT_SYMBOL_GPL(wlcore_set_key); static int wl1271_op_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif, @@ -4643,7 +4653,7 @@ static const struct ieee80211_ops wl1271_ops = { .prepare_multicast = wl1271_op_prepare_multicast, .configure_filter = wl1271_op_configure_filter, .tx = wl1271_op_tx, - .set_key = wl1271_op_set_key, + .set_key = wlcore_op_set_key, .hw_scan = wl1271_op_hw_scan, .cancel_hw_scan = wl1271_op_cancel_hw_scan, .sched_scan_start = wl1271_op_sched_scan_start, diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index 78bf1b9208a9..da9a07d2cf4b 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -1055,6 +1055,7 @@ void wl1271_tx_flush(struct wl1271 *wl) wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FLUSH); mutex_unlock(&wl->flush_mutex); } +EXPORT_SYMBOL_GPL(wl1271_tx_flush); u32 wl1271_tx_min_rate_get(struct wl1271 *wl, u32 rate_set) { @@ -1115,6 +1116,7 @@ void wlcore_stop_queues(struct wl1271 *wl, for (i = 0; i < NUM_TX_QUEUES; i++) wlcore_stop_queue(wl, i, reason); } +EXPORT_SYMBOL_GPL(wlcore_stop_queues); void wlcore_wake_queues(struct wl1271 *wl, enum wlcore_queue_stop_reason reason) @@ -1124,6 +1126,7 @@ void wlcore_wake_queues(struct wl1271 *wl, for (i = 0; i < NUM_TX_QUEUES; i++) wlcore_wake_queue(wl, i, reason); } +EXPORT_SYMBOL_GPL(wlcore_wake_queues); void wlcore_reset_stopped_queues(struct wl1271 *wl) { diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index e058a55f533d..49e441f34839 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -188,6 +188,7 @@ enum wlcore_queue_stop_reason { WLCORE_QUEUE_STOP_REASON_WATERMARK, WLCORE_QUEUE_STOP_REASON_FW_RESTART, WLCORE_QUEUE_STOP_REASON_FLUSH, + WLCORE_QUEUE_STOP_REASON_SPARE_BLK, /* 18xx specific */ }; static inline int wl1271_tx_get_queue(int queue) diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 99a061950a3a..4ca968fac0eb 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -76,6 +76,10 @@ struct wlcore_ops { int (*handle_static_data)(struct wl1271 *wl, struct wl1271_static_data *static_data); int (*get_spare_blocks)(struct wl1271 *wl, bool is_gem); + int (*set_key)(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf); }; enum wlcore_partitions { @@ -387,6 +391,10 @@ int __devinit wlcore_probe(struct wl1271 *wl, struct platform_device *pdev); int __devexit wlcore_remove(struct platform_device *pdev); struct ieee80211_hw *wlcore_alloc_hw(size_t priv_size); int wlcore_free_hw(struct wl1271 *wl); +int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, + struct ieee80211_vif *vif, + struct ieee80211_sta *sta, + struct ieee80211_key_conf *key_conf); /* Firmware image load chunk size */ #define CHUNK_SIZE 16384 From afbe37185c0ecad3442791be666b6851eba52318 Mon Sep 17 00:00:00 2001 From: Yoni Divinsky Date: Wed, 16 May 2012 11:34:18 +0300 Subject: [PATCH 154/241] wlcore: do not send stop fwlog cmd if fw is hanged If the driver received a watchdog interrupt then the assumption is that the fw is hanged. Avoid sending the stop fwlog command in case of a watchdog recovey to avoid waiting for the 2 seconds timeout of the command. Signed-off-by: Yoni Divinsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 9 +++++++-- drivers/net/wireless/ti/wlcore/wlcore.h | 1 + 2 files changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 7c4f78136bb1..54da16501e42 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -544,6 +544,7 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { wl1271_error("watchdog interrupt received! " "starting recovery."); + wl->watchdog_recovery = true; wl12xx_queue_recovery_work(wl); /* restarting the chip. ignore any other interrupt. */ @@ -782,10 +783,12 @@ static void wl12xx_read_fwlog_panic(struct wl1271 *wl) /* * Make sure the chip is awake and the logger isn't active. - * This might fail if the firmware hanged. + * Do not send a stop fwlog command if the fw is hanged. */ - if (!wl1271_ps_elp_wakeup(wl)) + if (!wl1271_ps_elp_wakeup(wl) && !wl->watchdog_recovery) wl12xx_cmd_stop_fwlog(wl); + else + goto out; /* Read the first memory block address */ wl12xx_fw_status(wl, wl->fw_status_1, wl->fw_status_2); @@ -879,6 +882,7 @@ static void wl1271_recovery_work(struct work_struct *work) vif = wl12xx_wlvif_to_vif(wlvif); __wl1271_op_remove_interface(wl, vif, false); } + wl->watchdog_recovery = false; mutex_unlock(&wl->mutex); wl1271_op_stop(wl->hw); @@ -893,6 +897,7 @@ static void wl1271_recovery_work(struct work_struct *work) wlcore_wake_queues(wl, WLCORE_QUEUE_STOP_REASON_FW_RESTART); return; out_unlock: + wl->watchdog_recovery = false; mutex_unlock(&wl->mutex); } diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index 4ca968fac0eb..e63450072f4d 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -252,6 +252,7 @@ struct wl1271 { /* Hardware recovery work */ struct work_struct recovery_work; + bool watchdog_recovery; /* Pointer that holds DMA-friendly block for the mailbox */ struct event_mailbox *mbox; From 9f5b424d6c44db1e02744ddc10c569dc7eb1c100 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 14:53:17 +0300 Subject: [PATCH 155/241] wl12xx: send beacon loss events to userspace Send beacon loss events to userspace, so it will be able to initiate roaming before disconnection Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/event.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/event.c b/drivers/net/wireless/ti/wlcore/event.c index 4ed835799178..c976f0409865 100644 --- a/drivers/net/wireless/ti/wlcore/event.c +++ b/drivers/net/wireless/ti/wlcore/event.c @@ -156,6 +156,15 @@ static int wl1271_event_process(struct wl1271 *wl) */ ieee80211_queue_delayed_work(wl->hw, &wl->connection_loss_work, msecs_to_jiffies(delay)); + + wl12xx_for_each_wlvif_sta(wl, wlvif) { + vif = wl12xx_wlvif_to_vif(wlvif); + + ieee80211_cqm_rssi_notify( + vif, + NL80211_CQM_RSSI_BEACON_LOSS_EVENT, + GFP_KERNEL); + } } if (vector & REGAINED_BSS_EVENT_ID) { From 186b5a7c938b13b9f6ee2532a13596556c224df0 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 16:35:20 +0300 Subject: [PATCH 156/241] wl12xx/wl18xx: add erp protection IE to the beacon filter We have to reconfigure the fw when erp protection should be enabled/disabled. Pass beacons containing changes in the ERP protection IE, so we could analyze them. Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 6 +++++- drivers/net/wireless/ti/wl18xx/main.c | 6 +++++- 2 files changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 2f6a39bfcf18..41017baaf253 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -216,7 +216,7 @@ static struct wlcore_conf wl12xx_conf = { .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, .suspend_listen_interval = 3, .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, - .bcn_filt_ie_count = 2, + .bcn_filt_ie_count = 3, .bcn_filt_ie = { [0] = { .ie = WLAN_EID_CHANNEL_SWITCH, @@ -226,6 +226,10 @@ static struct wlcore_conf wl12xx_conf = { .ie = WLAN_EID_HT_OPERATION, .rule = CONF_BCN_RULE_PASS_ON_CHANGE, }, + [2] = { + .ie = WLAN_EID_ERP_INFO, + .rule = CONF_BCN_RULE_PASS_ON_CHANGE, + }, }, .synch_fail_thold = 12, .bss_lose_timeout = 400, diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 9e5ce569f8da..c8d45f011c63 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -339,7 +339,7 @@ static struct wlcore_conf wl18xx_conf = { .suspend_wake_up_event = CONF_WAKE_UP_EVENT_N_DTIM, .suspend_listen_interval = 3, .bcn_filt_mode = CONF_BCN_FILT_MODE_ENABLED, - .bcn_filt_ie_count = 2, + .bcn_filt_ie_count = 3, .bcn_filt_ie = { [0] = { .ie = WLAN_EID_CHANNEL_SWITCH, @@ -349,6 +349,10 @@ static struct wlcore_conf wl18xx_conf = { .ie = WLAN_EID_HT_OPERATION, .rule = CONF_BCN_RULE_PASS_ON_CHANGE, }, + [2] = { + .ie = WLAN_EID_ERP_INFO, + .rule = CONF_BCN_RULE_PASS_ON_CHANGE, + }, }, .synch_fail_thold = 12, .bss_lose_timeout = 400, From 78f85f5066b721666f869d537eaca6a0818aa301 Mon Sep 17 00:00:00 2001 From: Yoni Divinsky Date: Wed, 16 May 2012 11:34:17 +0300 Subject: [PATCH 157/241] wlcore: add role_id to all the sched_scan commands Due to a need by the firmware when working in multirole the role id needs to be added to the structs of the following commands: CMD_CONNECTION_SCAN_CFG, CMD_CONNECTION_SCAN_SSID_CFG, CMD_START_PERIODIC_SCAN, CMD_STOP_PERIODIC_SCAN Signed-off-by: Yoni Divinsky Signed-off-by: Igal Chernobelsky Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/main.c | 5 +++-- drivers/net/wireless/ti/wlcore/scan.c | 9 +++++++-- drivers/net/wireless/ti/wlcore/scan.h | 14 +++++++++----- 3 files changed, 19 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 54da16501e42..8800a63539e3 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -2421,7 +2421,7 @@ static int wl1271_sta_handle_idle(struct wl1271 *wl, struct wl12xx_vif *wlvif, } else { /* The current firmware only supports sched_scan in idle */ if (wl->sched_scanning) { - wl1271_scan_sched_scan_stop(wl); + wl1271_scan_sched_scan_stop(wl, wlvif); ieee80211_sched_scan_stopped(wl->hw); } @@ -3152,6 +3152,7 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { struct wl1271 *wl = hw->priv; + struct wl12xx_vif *wlvif = wl12xx_vif_to_data(vif); int ret; wl1271_debug(DEBUG_MAC80211, "wl1271_op_sched_scan_stop"); @@ -3165,7 +3166,7 @@ static void wl1271_op_sched_scan_stop(struct ieee80211_hw *hw, if (ret < 0) goto out; - wl1271_scan_sched_scan_stop(wl); + wl1271_scan_sched_scan_stop(wl, wlvif); wl1271_ps_elp_sleep(wl); out: diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index ade21a011c45..94668d8ba14e 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -537,6 +537,7 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, /* Returns the scan type to be used or a negative value on error */ static int wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, + struct wl12xx_vif *wlvif, struct cfg80211_sched_scan_request *req) { struct wl1271_cmd_sched_scan_ssid_list *cmd = NULL; @@ -565,6 +566,7 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, goto out; } + cmd->role_id = wlvif->dev_role_id; if (!n_match_ssids) { /* No filter, with ssids */ type = SCAN_SSID_FILTER_DISABLED; @@ -652,6 +654,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, if (!cfg) return -ENOMEM; + cfg->role_id = wlvif->dev_role_id; cfg->rssi_threshold = c->rssi_threshold; cfg->snr_threshold = c->snr_threshold; cfg->n_probe_reqs = c->num_probe_reqs; @@ -669,7 +672,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, cfg->intervals[i] = cpu_to_le32(req->interval); cfg->ssid_len = 0; - ret = wl12xx_scan_sched_scan_ssid_list(wl, req); + ret = wl12xx_scan_sched_scan_ssid_list(wl, wlvif, req); if (ret < 0) goto out; @@ -741,6 +744,7 @@ int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif) if (!start) return -ENOMEM; + start->role_id = wlvif->dev_role_id; start->tag = WL1271_SCAN_DEFAULT_TAG; ret = wl1271_cmd_send(wl, CMD_START_PERIODIC_SCAN, start, @@ -762,7 +766,7 @@ void wl1271_scan_sched_scan_results(struct wl1271 *wl) ieee80211_sched_scan_results(wl->hw); } -void wl1271_scan_sched_scan_stop(struct wl1271 *wl) +void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif) { struct wl1271_cmd_sched_scan_stop *stop; int ret = 0; @@ -776,6 +780,7 @@ void wl1271_scan_sched_scan_stop(struct wl1271 *wl) return; } + stop->role_id = wlvif->dev_role_id; stop->tag = WL1271_SCAN_DEFAULT_TAG; ret = wl1271_cmd_send(wl, CMD_STOP_PERIODIC_SCAN, stop, diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h index 81ee36ac2078..5b6a609fb460 100644 --- a/drivers/net/wireless/ti/wlcore/scan.h +++ b/drivers/net/wireless/ti/wlcore/scan.h @@ -40,7 +40,7 @@ int wl1271_scan_sched_scan_config(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct ieee80211_sched_scan_ies *ies); int wl1271_scan_sched_scan_start(struct wl1271 *wl, struct wl12xx_vif *wlvif); -void wl1271_scan_sched_scan_stop(struct wl1271 *wl); +void wl1271_scan_sched_scan_stop(struct wl1271 *wl, struct wl12xx_vif *wlvif); void wl1271_scan_sched_scan_results(struct wl1271 *wl); #define WL1271_SCAN_MAX_CHANNELS 24 @@ -185,7 +185,8 @@ struct wl1271_cmd_sched_scan_config { u8 dfs; - u8 padding[3]; + u8 role_id; + u8 padding[2]; struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; @@ -212,21 +213,24 @@ struct wl1271_cmd_sched_scan_ssid_list { u8 n_ssids; struct wl1271_ssid ssids[SCHED_SCAN_MAX_SSIDS]; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; struct wl1271_cmd_sched_scan_start { struct wl1271_cmd_header header; u8 tag; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; struct wl1271_cmd_sched_scan_stop { struct wl1271_cmd_header header; u8 tag; - u8 padding[3]; + u8 role_id; + u8 padding[2]; } __packed; From 587cc286c8a8e22bbe4521c331b88d62d0cb1076 Mon Sep 17 00:00:00 2001 From: Eliad Peller Date: Tue, 15 May 2012 18:31:58 +0300 Subject: [PATCH 158/241] wlcore: compare ssid_len before comparing ssids When comparing 2 ssids the ssid_len must be taken into account. Otherwise, a substring will be treated as equal. This bug might cause ssids to get scanned as public ssids (rather than hidden), resulting in broadcast probe request (instead of ssid-specific ones) Signed-off-by: Eliad Peller Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/scan.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index 94668d8ba14e..e1dbe812615f 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -605,7 +605,9 @@ wl12xx_scan_sched_scan_ssid_list(struct wl1271 *wl, continue; for (j = 0; j < cmd->n_ssids; j++) - if (!memcmp(req->ssids[i].ssid, + if ((req->ssids[i].ssid_len == + req->ssids[j].ssid_len) && + !memcmp(req->ssids[i].ssid, cmd->ssids[j].ssid, req->ssids[i].ssid_len)) { cmd->ssids[j].type = From 97511b15b1926337f90226b3cb735e52f2dc8a85 Mon Sep 17 00:00:00 2001 From: Victor Goldenshtein Date: Tue, 15 May 2012 17:04:40 +0300 Subject: [PATCH 159/241] wlcore: set channels 12-14 as pactive for sched scan MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Introduce “pactive” scan mode – which instructs the fw to perform a passive scan until an activity/energy is detected on these channels, once energy detected the channel becomes active. Signed-off-by: Victor Goldenshtein Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/scan.c | 39 ++++++++++++++++++++++----- drivers/net/wireless/ti/wlcore/scan.h | 7 +++-- 2 files changed, 38 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/scan.c b/drivers/net/wireless/ti/wlcore/scan.c index e1dbe812615f..d9daed53ceb7 100644 --- a/drivers/net/wireless/ti/wlcore/scan.c +++ b/drivers/net/wireless/ti/wlcore/scan.c @@ -411,7 +411,8 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct conn_scan_ch_params *channels, u32 band, bool radar, bool passive, - int start, int max_channels) + int start, int max_channels, + u8 *n_pactive_ch) { struct conf_sched_scan_settings *c = &wl->conf.sched_scan; int i, j; @@ -479,6 +480,23 @@ wl1271_scan_get_sched_scan_channels(struct wl1271 *wl, channels[j].tx_power_att = req->channels[i]->max_power; channels[j].channel = req->channels[i]->hw_value; + if ((band == IEEE80211_BAND_2GHZ) && + (channels[j].channel >= 12) && + (channels[j].channel <= 14) && + (flags & IEEE80211_CHAN_PASSIVE_SCAN) && + !force_passive) { + /* pactive channels treated as DFS */ + channels[j].flags = SCAN_CHANNEL_FLAGS_DFS; + + /* + * n_pactive_ch is counted down from the end of + * the passive channel list + */ + (*n_pactive_ch)++; + wl1271_debug(DEBUG_SCAN, "n_pactive_ch = %d", + *n_pactive_ch); + } + j++; } } @@ -491,38 +509,47 @@ wl1271_scan_sched_scan_channels(struct wl1271 *wl, struct cfg80211_sched_scan_request *req, struct wl1271_cmd_sched_scan_config *cfg) { + u8 n_pactive_ch = 0; + cfg->passive[0] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, false, true, 0, - MAX_CHANNELS_2GHZ); + MAX_CHANNELS_2GHZ, + &n_pactive_ch); cfg->active[0] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_2, IEEE80211_BAND_2GHZ, false, false, cfg->passive[0], - MAX_CHANNELS_2GHZ); + MAX_CHANNELS_2GHZ, + &n_pactive_ch); cfg->passive[1] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, false, true, 0, - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); cfg->dfs = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, true, true, cfg->passive[1], - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); cfg->active[1] = wl1271_scan_get_sched_scan_channels(wl, req, cfg->channels_5, IEEE80211_BAND_5GHZ, false, false, cfg->passive[1] + cfg->dfs, - MAX_CHANNELS_5GHZ); + MAX_CHANNELS_5GHZ, + &n_pactive_ch); /* 802.11j channels are not supported yet */ cfg->passive[2] = 0; cfg->active[2] = 0; + cfg->n_pactive_ch = n_pactive_ch; + wl1271_debug(DEBUG_SCAN, " 2.4GHz: active %d passive %d", cfg->active[0], cfg->passive[0]); wl1271_debug(DEBUG_SCAN, " 5GHz: active %d passive %d", diff --git a/drivers/net/wireless/ti/wlcore/scan.h b/drivers/net/wireless/ti/wlcore/scan.h index 5b6a609fb460..29f3c8d6b046 100644 --- a/drivers/net/wireless/ti/wlcore/scan.h +++ b/drivers/net/wireless/ti/wlcore/scan.h @@ -142,7 +142,8 @@ enum { SCAN_BSS_TYPE_ANY, }; -#define SCAN_CHANNEL_FLAGS_DFS BIT(0) +#define SCAN_CHANNEL_FLAGS_DFS BIT(0) /* channel is passive until an + activity is detected on it */ #define SCAN_CHANNEL_FLAGS_DFS_ENABLED BIT(1) struct conn_scan_ch_params { @@ -185,8 +186,10 @@ struct wl1271_cmd_sched_scan_config { u8 dfs; + u8 n_pactive_ch; /* number of pactive (passive until fw detects energy) + channels in BG band */ u8 role_id; - u8 padding[2]; + u8 padding[1]; struct conn_scan_ch_params channels_2[MAX_CHANNELS_2GHZ]; struct conn_scan_ch_params channels_5[MAX_CHANNELS_5GHZ]; From e8c9bd5b8d807cfe6c923265969a523b1ba1e6c2 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 6 Jun 2012 08:18:22 +0200 Subject: [PATCH 160/241] cfg80211: clarify set_channel APIs Now that we've removed all uses of the set_channel API except for the monitor channel and in libertas, clarify this. Split the libertas mesh use into a new libertas_set_mesh_channel() operation, just to keep backward compatibility, and rename the normal set_channel() to set_monitor_channel(). Also describe the desired set_monitor_channel() semantics more clearly. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/libertas/cfg.c | 39 ++++++++++++++++++------- drivers/net/wireless/libertas/dev.h | 1 + drivers/net/wireless/libertas/mesh.c | 7 ++--- drivers/net/wireless/orinoco/cfg.c | 9 +++--- include/net/cfg80211.h | 24 ++++++++++------ net/mac80211/cfg.c | 9 +++++- net/wireless/chan.c | 43 ++++------------------------ net/wireless/core.h | 5 ++-- net/wireless/mesh.c | 26 ++++++++--------- net/wireless/mlme.c | 2 -- net/wireless/nl80211.c | 21 ++++++++------ net/wireless/wext-compat.c | 10 ++----- net/wireless/wext-sme.c | 10 +++++-- 13 files changed, 100 insertions(+), 106 deletions(-) diff --git a/drivers/net/wireless/libertas/cfg.c b/drivers/net/wireless/libertas/cfg.c index 2fa879b015b6..f4a203049fb4 100644 --- a/drivers/net/wireless/libertas/cfg.c +++ b/drivers/net/wireless/libertas/cfg.c @@ -435,24 +435,40 @@ static int lbs_add_wpa_tlv(u8 *tlv, const u8 *ie, u8 ie_len) * Set Channel */ -static int lbs_cfg_set_channel(struct wiphy *wiphy, - struct net_device *netdev, - struct ieee80211_channel *channel, - enum nl80211_channel_type channel_type) +static int lbs_cfg_set_monitor_channel(struct wiphy *wiphy, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type) { struct lbs_private *priv = wiphy_priv(wiphy); int ret = -ENOTSUPP; - lbs_deb_enter_args(LBS_DEB_CFG80211, "iface %s freq %d, type %d", - netdev_name(netdev), channel->center_freq, channel_type); + lbs_deb_enter_args(LBS_DEB_CFG80211, "freq %d, type %d", + channel->center_freq, channel_type); if (channel_type != NL80211_CHAN_NO_HT) goto out; - if (netdev == priv->mesh_dev) - ret = lbs_mesh_set_channel(priv, channel->hw_value); - else - ret = lbs_set_channel(priv, channel->hw_value); + ret = lbs_set_channel(priv, channel->hw_value); + + out: + lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret); + return ret; +} + +static int lbs_cfg_set_mesh_channel(struct wiphy *wiphy, + struct net_device *netdev, + struct ieee80211_channel *channel) +{ + struct lbs_private *priv = wiphy_priv(wiphy); + int ret = -ENOTSUPP; + + lbs_deb_enter_args(LBS_DEB_CFG80211, "iface %s freq %d", + netdev_name(netdev), channel->center_freq); + + if (netdev != priv->mesh_dev) + goto out; + + ret = lbs_mesh_set_channel(priv, channel->hw_value); out: lbs_deb_leave_args(LBS_DEB_CFG80211, "ret %d", ret); @@ -2029,7 +2045,8 @@ static int lbs_leave_ibss(struct wiphy *wiphy, struct net_device *dev) */ static struct cfg80211_ops lbs_cfg80211_ops = { - .set_channel = lbs_cfg_set_channel, + .set_monitor_channel = lbs_cfg_set_monitor_channel, + .libertas_set_mesh_channel = lbs_cfg_set_mesh_channel, .scan = lbs_cfg_scan, .connect = lbs_cfg_connect, .disconnect = lbs_cfg_disconnect, diff --git a/drivers/net/wireless/libertas/dev.h b/drivers/net/wireless/libertas/dev.h index 672005430aca..60996ce89f77 100644 --- a/drivers/net/wireless/libertas/dev.h +++ b/drivers/net/wireless/libertas/dev.h @@ -58,6 +58,7 @@ struct lbs_private { uint16_t mesh_tlv; u8 mesh_ssid[IEEE80211_MAX_SSID_LEN + 1]; u8 mesh_ssid_len; + u8 mesh_channel; #endif /* Debugfs */ diff --git a/drivers/net/wireless/libertas/mesh.c b/drivers/net/wireless/libertas/mesh.c index e87c031b298f..97807751ebcf 100644 --- a/drivers/net/wireless/libertas/mesh.c +++ b/drivers/net/wireless/libertas/mesh.c @@ -131,16 +131,13 @@ static int lbs_mesh_config(struct lbs_private *priv, uint16_t action, int lbs_mesh_set_channel(struct lbs_private *priv, u8 channel) { + priv->mesh_channel = channel; return lbs_mesh_config(priv, CMD_ACT_MESH_CONFIG_START, channel); } static uint16_t lbs_mesh_get_channel(struct lbs_private *priv) { - struct wireless_dev *mesh_wdev = priv->mesh_dev->ieee80211_ptr; - if (mesh_wdev->channel) - return mesh_wdev->channel->hw_value; - else - return 1; + return priv->mesh_channel ?: 1; } /*************************************************************************** diff --git a/drivers/net/wireless/orinoco/cfg.c b/drivers/net/wireless/orinoco/cfg.c index f7b15b8934fa..e15675585fb1 100644 --- a/drivers/net/wireless/orinoco/cfg.c +++ b/drivers/net/wireless/orinoco/cfg.c @@ -160,10 +160,9 @@ static int orinoco_scan(struct wiphy *wiphy, struct net_device *dev, return err; } -static int orinoco_set_channel(struct wiphy *wiphy, - struct net_device *netdev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type) +static int orinoco_set_monitor_channel(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type) { struct orinoco_private *priv = wiphy_priv(wiphy); int err = 0; @@ -286,7 +285,7 @@ static int orinoco_set_wiphy_params(struct wiphy *wiphy, u32 changed) const struct cfg80211_ops orinoco_cfg_ops = { .change_virtual_intf = orinoco_change_vif, - .set_channel = orinoco_set_channel, + .set_monitor_channel = orinoco_set_monitor_channel, .scan = orinoco_scan, .set_wiphy_params = orinoco_set_wiphy_params, }; diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h index 4c90c44b8b75..7319f25250b6 100644 --- a/include/net/cfg80211.h +++ b/include/net/cfg80211.h @@ -1420,11 +1420,14 @@ struct cfg80211_gtk_rekey_data { * * @set_txq_params: Set TX queue parameters * - * @set_channel: Set channel for a given wireless interface. Some devices - * may support multi-channel operation (by channel hopping) so cfg80211 - * doesn't verify much. Note, however, that the passed netdev may be - * %NULL as well if the user requested changing the channel for the - * device itself, or for a monitor interface. + * @libertas_set_mesh_channel: Only for backward compatibility for libertas, + * as it doesn't implement join_mesh and needs to set the channel to + * join the mesh instead. + * + * @set_monitor_channel: Set the monitor mode channel for the device. If other + * interfaces are active this callback should reject the configuration. + * If no interfaces are active or the device is down, the channel should + * be stored for when a monitor interface becomes active. * @get_channel: Get the current operating channel, should return %NULL if * there's no single defined operating channel if for example the * device implements channel hopping for multi-channel virtual interfaces. @@ -1614,9 +1617,13 @@ struct cfg80211_ops { int (*set_txq_params)(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_txq_params *params); - int (*set_channel)(struct wiphy *wiphy, struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type); + int (*libertas_set_mesh_channel)(struct wiphy *wiphy, + struct net_device *dev, + struct ieee80211_channel *chan); + + int (*set_monitor_channel)(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type); int (*scan)(struct wiphy *wiphy, struct net_device *dev, struct cfg80211_scan_request *request); @@ -2325,7 +2332,6 @@ struct wireless_dev { spinlock_t event_lock; struct cfg80211_internal_bss *current_bss; /* associated / joined */ - struct ieee80211_channel *channel; struct ieee80211_channel *preset_chan; enum nl80211_channel_type preset_chantype; diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index 50aea1ac7e03..d99359a6f76d 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -709,6 +709,13 @@ static int ieee80211_set_channel(struct wiphy *wiphy, return 0; } +static int ieee80211_set_monitor_channel(struct wiphy *wiphy, + struct ieee80211_channel *chan, + enum nl80211_channel_type channel_type) +{ + return ieee80211_set_channel(wiphy, NULL, chan, channel_type); +} + static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata, const u8 *resp, size_t resp_len) { @@ -2932,7 +2939,7 @@ struct cfg80211_ops mac80211_config_ops = { #endif .change_bss = ieee80211_change_bss, .set_txq_params = ieee80211_set_txq_params, - .set_channel = ieee80211_set_channel, + .set_monitor_channel = ieee80211_set_monitor_channel, .suspend = ieee80211_suspend, .resume = ieee80211_resume, .scan = ieee80211_scan, diff --git a/net/wireless/chan.c b/net/wireless/chan.c index 20b87d895722..c1999e45a07c 100644 --- a/net/wireless/chan.c +++ b/net/wireless/chan.c @@ -78,50 +78,17 @@ bool cfg80211_can_beacon_sec_chan(struct wiphy *wiphy, } EXPORT_SYMBOL(cfg80211_can_beacon_sec_chan); -int cfg80211_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, int freq, - enum nl80211_channel_type channel_type) +int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, + int freq, enum nl80211_channel_type chantype) { struct ieee80211_channel *chan; - int result; - if (wdev && wdev->iftype == NL80211_IFTYPE_MONITOR) - wdev = NULL; - - if (wdev) { - ASSERT_WDEV_LOCK(wdev); - - if (!netif_running(wdev->netdev)) - return -ENETDOWN; - } - - if (!rdev->ops->set_channel) + if (!rdev->ops->set_monitor_channel) return -EOPNOTSUPP; - chan = rdev_freq_to_chan(rdev, freq, channel_type); + chan = rdev_freq_to_chan(rdev, freq, chantype); if (!chan) return -EINVAL; - /* Both channels should be able to initiate communication */ - if (wdev && (wdev->iftype == NL80211_IFTYPE_ADHOC || - wdev->iftype == NL80211_IFTYPE_AP || - wdev->iftype == NL80211_IFTYPE_AP_VLAN || - wdev->iftype == NL80211_IFTYPE_MESH_POINT || - wdev->iftype == NL80211_IFTYPE_P2P_GO) && - !cfg80211_can_beacon_sec_chan(&rdev->wiphy, chan, channel_type)) { - printk(KERN_DEBUG - "cfg80211: Secondary channel not allowed to beacon\n"); - return -EINVAL; - } - - result = rdev->ops->set_channel(&rdev->wiphy, - wdev ? wdev->netdev : NULL, - chan, channel_type); - if (result) - return result; - - if (wdev) - wdev->channel = chan; - - return 0; + return rdev->ops->set_monitor_channel(&rdev->wiphy, chan, chantype); } diff --git a/net/wireless/core.h b/net/wireless/core.h index 1d3d24126946..9348a47562a4 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -444,9 +444,8 @@ cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, struct ieee80211_channel * rdev_freq_to_chan(struct cfg80211_registered_device *rdev, int freq, enum nl80211_channel_type channel_type); -int cfg80211_set_freq(struct cfg80211_registered_device *rdev, - struct wireless_dev *wdev, int freq, - enum nl80211_channel_type channel_type); +int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, + int freq, enum nl80211_channel_type chantype); int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, const u8 *rates, unsigned int n_rates, diff --git a/net/wireless/mesh.c b/net/wireless/mesh.c index 2e3b700eba32..b44c736bf9cf 100644 --- a/net/wireless/mesh.c +++ b/net/wireless/mesh.c @@ -179,6 +179,13 @@ int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev, { struct ieee80211_channel *channel; + channel = rdev_freq_to_chan(rdev, freq, channel_type); + if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy, + channel, + channel_type)) { + return -EINVAL; + } + /* * Workaround for libertas (only!), it puts the interface * into mesh mode but doesn't implement join_mesh. Instead, @@ -186,27 +193,20 @@ int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev, * you set the channel. Note that the libertas mesh isn't * compatible with 802.11 mesh. */ - if (!rdev->ops->join_mesh) { - int err; + if (rdev->ops->libertas_set_mesh_channel) { + if (channel_type != NL80211_CHAN_NO_HT) + return -EINVAL; if (!netif_running(wdev->netdev)) return -ENETDOWN; - wdev_lock(wdev); - err = cfg80211_set_freq(rdev, wdev, freq, channel_type); - wdev_unlock(wdev); - - return err; + return rdev->ops->libertas_set_mesh_channel(&rdev->wiphy, + wdev->netdev, + channel); } if (wdev->mesh_id_len) return -EBUSY; - channel = rdev_freq_to_chan(rdev, freq, channel_type); - if (!channel || !cfg80211_can_beacon_sec_chan(&rdev->wiphy, - channel, - channel_type)) { - return -EINVAL; - } wdev->preset_chan = channel; wdev->preset_chantype = channel_type; return 0; diff --git a/net/wireless/mlme.c b/net/wireless/mlme.c index eb90988bbd36..da4406f11929 100644 --- a/net/wireless/mlme.c +++ b/net/wireless/mlme.c @@ -947,8 +947,6 @@ void cfg80211_ch_switch_notify(struct net_device *dev, int freq, if (WARN_ON(!chan)) goto out; - wdev->channel = chan; - nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL); out: wdev_unlock(wdev); diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index b22f1f876881..5e29bd38e7df 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -921,7 +921,7 @@ static int nl80211_send_wiphy(struct sk_buff *msg, u32 pid, u32 seq, int flags, if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) goto nla_put_failure; } - if (dev->ops->set_channel || dev->ops->start_ap || + if (dev->ops->set_monitor_channel || dev->ops->start_ap || dev->ops->join_mesh) { i++; if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) @@ -1178,8 +1178,8 @@ static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) * the channel in the start-ap or join-mesh commands instead. * * Monitors are special as they are normally slaved to - * whatever else is going on, so they behave as though - * you tried setting the wiphy channel itself. + * whatever else is going on, so they have their own special + * operation to set the monitor channel if possible. */ return !wdev || wdev->iftype == NL80211_IFTYPE_AP || @@ -1217,6 +1217,10 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, enum nl80211_channel_type channel_type = NL80211_CHAN_NO_HT; u32 freq; int result; + enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; + + if (wdev) + iftype = wdev->iftype; if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) return -EINVAL; @@ -1231,7 +1235,7 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); mutex_lock(&rdev->devlist_mtx); - if (wdev) switch (wdev->iftype) { + switch (iftype) { case NL80211_IFTYPE_AP: case NL80211_IFTYPE_P2P_GO: if (wdev->beacon_interval) { @@ -1252,12 +1256,11 @@ static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, case NL80211_IFTYPE_MESH_POINT: result = cfg80211_set_mesh_freq(rdev, wdev, freq, channel_type); break; + case NL80211_IFTYPE_MONITOR: + result = cfg80211_set_monitor_channel(rdev, freq, channel_type); + break; default: - wdev_lock(wdev); - result = cfg80211_set_freq(rdev, wdev, freq, channel_type); - wdev_unlock(wdev); - } else { - result = cfg80211_set_freq(rdev, NULL, freq, channel_type); + result = -EINVAL; } mutex_unlock(&rdev->devlist_mtx); diff --git a/net/wireless/wext-compat.c b/net/wireless/wext-compat.c index faeb03548aa4..bc879833b21f 100644 --- a/net/wireless/wext-compat.c +++ b/net/wireless/wext-compat.c @@ -802,9 +802,7 @@ static int cfg80211_wext_siwfreq(struct net_device *dev, if (freq == 0) return -EINVAL; mutex_lock(&rdev->devlist_mtx); - wdev_lock(wdev); - err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); - wdev_unlock(wdev); + err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT); mutex_unlock(&rdev->devlist_mtx); return err; case NL80211_IFTYPE_MESH_POINT: @@ -848,11 +846,7 @@ static int cfg80211_wext_giwfreq(struct net_device *dev, freq->e = 6; return 0; default: - if (!wdev->channel) - return -EINVAL; - freq->m = wdev->channel->center_freq; - freq->e = 6; - return 0; + return -EINVAL; } } diff --git a/net/wireless/wext-sme.c b/net/wireless/wext-sme.c index 7decbd357d51..1f773f668d1a 100644 --- a/net/wireless/wext-sme.c +++ b/net/wireless/wext-sme.c @@ -111,9 +111,15 @@ int cfg80211_mgd_wext_siwfreq(struct net_device *dev, wdev->wext.connect.channel = chan; - /* SSID is not set, we just want to switch channel */ + /* + * SSID is not set, we just want to switch monitor channel, + * this is really just backward compatibility, if the SSID + * is set then we use the channel to select the BSS to use + * to connect to instead. If we were connected on another + * channel we disconnected above and reconnect below. + */ if (chan && !wdev->wext.connect.ssid_len) { - err = cfg80211_set_freq(rdev, wdev, freq, NL80211_CHAN_NO_HT); + err = cfg80211_set_monitor_channel(rdev, freq, NL80211_CHAN_NO_HT); goto out; } From 27e49ca95570c4685a32be9d4664f2b0b6d89368 Mon Sep 17 00:00:00 2001 From: Alex Hung Date: Wed, 23 May 2012 14:11:52 +0800 Subject: [PATCH 161/241] rfkill: Add the capability to switch all devices of all type in __rfkill_switch_all(). __rfkill_switch_all() switches the state of devices of a given type; however, it does not switch devices of all type (RFKILL_TYPE_ALL). As a result, it ignores the keycode "KEY_RFKILL" from another module, i.e. eeepc-wmi. This fix is to make __rfkill_switch_all() to be able to switch not only devices of a given type but also all devices. Signed-off-by: Alex Hung Signed-off-by: John W. Linville --- net/rfkill/core.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/rfkill/core.c b/net/rfkill/core.c index f974961754ca..752b72360ebc 100644 --- a/net/rfkill/core.c +++ b/net/rfkill/core.c @@ -325,7 +325,7 @@ static void __rfkill_switch_all(const enum rfkill_type type, bool blocked) rfkill_global_states[type].cur = blocked; list_for_each_entry(rfkill, &rfkill_list, node) { - if (rfkill->type != type) + if (rfkill->type != type && type != RFKILL_TYPE_ALL) continue; rfkill_set_block(rfkill, blocked); From 620a55687b20c23ca7b8d8560b0e8fb3ca13869a Mon Sep 17 00:00:00 2001 From: Zefir Kurtisi Date: Wed, 23 May 2012 13:34:31 +0200 Subject: [PATCH 162/241] ath9k: fix/add bits for spectral scanning Updates for spectral scanning register modification for AR93x: * fix bits for spectral_scan_count * add bits for new parameters Signed-off-by: Zefir Kurtisi Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_phy.h | 32 +++++++++++++-------- 1 file changed, 20 insertions(+), 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 7268a48a92a1..ed662c3bae5b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -820,18 +820,26 @@ #define AR_PHY_CHAN_INFO_MEMORY_CAPTURE_MASK 0x0001 #define AR_PHY_RX_DELAY_DELAY 0x00003FFF #define AR_PHY_CCK_TX_CTRL_JAPAN 0x00000010 -#define AR_PHY_SPECTRAL_SCAN_ENABLE 0x00000001 -#define AR_PHY_SPECTRAL_SCAN_ENABLE_S 0 -#define AR_PHY_SPECTRAL_SCAN_ACTIVE 0x00000002 -#define AR_PHY_SPECTRAL_SCAN_ACTIVE_S 1 -#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD 0x000000F0 -#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S 4 -#define AR_PHY_SPECTRAL_SCAN_PERIOD 0x0000FF00 -#define AR_PHY_SPECTRAL_SCAN_PERIOD_S 8 -#define AR_PHY_SPECTRAL_SCAN_COUNT 0x00FF0000 -#define AR_PHY_SPECTRAL_SCAN_COUNT_S 16 -#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT 0x01000000 -#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S 24 + +#define AR_PHY_SPECTRAL_SCAN_ENABLE 0x00000001 +#define AR_PHY_SPECTRAL_SCAN_ENABLE_S 0 +#define AR_PHY_SPECTRAL_SCAN_ACTIVE 0x00000002 +#define AR_PHY_SPECTRAL_SCAN_ACTIVE_S 1 +#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD 0x000000F0 +#define AR_PHY_SPECTRAL_SCAN_FFT_PERIOD_S 4 +#define AR_PHY_SPECTRAL_SCAN_PERIOD 0x0000FF00 +#define AR_PHY_SPECTRAL_SCAN_PERIOD_S 8 +#define AR_PHY_SPECTRAL_SCAN_COUNT 0x0FFF0000 +#define AR_PHY_SPECTRAL_SCAN_COUNT_S 16 +#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT 0x10000000 +#define AR_PHY_SPECTRAL_SCAN_SHORT_REPEAT_S 28 +#define AR_PHY_SPECTRAL_SCAN_PRIORITY 0x20000000 +#define AR_PHY_SPECTRAL_SCAN_PRIORITY_S 29 +#define AR_PHY_SPECTRAL_SCAN_USE_ERR5 0x40000000 +#define AR_PHY_SPECTRAL_SCAN_USE_ERR5_S 30 +#define AR_PHY_SPECTRAL_SCAN_COMPRESSED_RPT 0x80000000 +#define AR_PHY_SPECTRAL_SCAN_COMPRESSED_RPT_S 31 + #define AR_PHY_CHANNEL_STATUS_RX_CLEAR 0x00000004 #define AR_PHY_RTT_CTRL_ENA_RADIO_RETENTION 0x00000001 #define AR_PHY_RTT_CTRL_ENA_RADIO_RETENTION_S 0 From 6851dff3e6b858f2759fc9ecebc4ec608df81805 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Mon, 28 May 2012 11:53:11 +0200 Subject: [PATCH 163/241] rt2x00: claim RSN IBSS support Similar like other drivers, do not configure group keys to the hardware (on Ad-Hoc mode) to make IBSS RSN work. Signed-off-by: Stanislaw Gruszka Acked-by: Helmut Schaa Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2x00dev.c | 2 ++ drivers/net/wireless/rt2x00/rt2x00mac.c | 14 ++++++++++++-- 2 files changed, 14 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index e5404e576251..a6b88bd4a1a5 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -1161,6 +1161,8 @@ int rt2x00lib_probe_dev(struct rt2x00_dev *rt2x00dev) BIT(NL80211_IFTYPE_MESH_POINT) | BIT(NL80211_IFTYPE_WDS); + rt2x00dev->hw->wiphy->flags |= WIPHY_FLAG_IBSS_RSN; + /* * Initialize work. */ diff --git a/drivers/net/wireless/rt2x00/rt2x00mac.c b/drivers/net/wireless/rt2x00/rt2x00mac.c index dd24b2663b5e..4ff26c2159bf 100644 --- a/drivers/net/wireless/rt2x00/rt2x00mac.c +++ b/drivers/net/wireless/rt2x00/rt2x00mac.c @@ -506,9 +506,19 @@ int rt2x00mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, if (!test_bit(DEVICE_STATE_PRESENT, &rt2x00dev->flags)) return 0; - else if (!test_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags)) + + if (!test_bit(CAPABILITY_HW_CRYPTO, &rt2x00dev->cap_flags)) + return -EOPNOTSUPP; + + /* + * To support IBSS RSN, don't program group keys in IBSS, the + * hardware will then not attempt to decrypt the frames. + */ + if (vif->type == NL80211_IFTYPE_ADHOC && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) return -EOPNOTSUPP; - else if (key->keylen > 32) + + if (key->keylen > 32) return -ENOSPC; memset(&crypto, 0, sizeof(crypto)); From d7fbcada37ec71b61901bf4344ca832a1bb9f5d1 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Mon, 28 May 2012 11:54:11 +0200 Subject: [PATCH 164/241] iwl4965: claim RSN IBSS support Similar like other drivers including iwl3945, do not configure group keys to the hardware (on Ad-Hoc mode) to make IBSS RSN work. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/iwlegacy/4965-mac.c | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlegacy/4965-mac.c b/drivers/net/wireless/iwlegacy/4965-mac.c index 509301a5e7e2..d24eaf89ffb5 100644 --- a/drivers/net/wireless/iwlegacy/4965-mac.c +++ b/drivers/net/wireless/iwlegacy/4965-mac.c @@ -5724,7 +5724,8 @@ il4965_mac_setup_register(struct il_priv *il, u32 max_probe_length) BIT(NL80211_IFTYPE_STATION) | BIT(NL80211_IFTYPE_ADHOC); hw->wiphy->flags |= - WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS; + WIPHY_FLAG_CUSTOM_REGULATORY | WIPHY_FLAG_DISABLE_BEACON_HINTS | + WIPHY_FLAG_IBSS_RSN; /* * For now, disable PS by default because it affects @@ -5873,6 +5874,16 @@ il4965_mac_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, return -EOPNOTSUPP; } + /* + * To support IBSS RSN, don't program group keys in IBSS, the + * hardware will then not attempt to decrypt the frames. + */ + if (vif->type == NL80211_IFTYPE_ADHOC && + !(key->flags & IEEE80211_KEY_FLAG_PAIRWISE)) { + D_MAC80211("leave - ad-hoc group key\n"); + return -EOPNOTSUPP; + } + sta_id = il_sta_id_or_broadcast(il, sta); if (sta_id == IL_INVALID_STATION) return -EINVAL; From cff3d1f0931d0e6189f5ee718112b235bad1bf99 Mon Sep 17 00:00:00 2001 From: "Zero.Lin" Date: Tue, 29 May 2012 16:11:09 +0800 Subject: [PATCH 165/241] rt2x00:Add RT5392 chipset support Signed-off-by: Zero.Lin Reviewed-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- drivers/net/wireless/rt2x00/rt2800.h | 6 ++++++ drivers/net/wireless/rt2x00/rt2800lib.c | 22 +++++++++++++++++++++- 2 files changed, 27 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/rt2x00/rt2800.h b/drivers/net/wireless/rt2x00/rt2800.h index 6403f49da419..1ca88cdc6ece 100644 --- a/drivers/net/wireless/rt2x00/rt2800.h +++ b/drivers/net/wireless/rt2x00/rt2800.h @@ -72,6 +72,7 @@ #define RF5370 0x5370 #define RF5372 0x5372 #define RF5390 0x5390 +#define RF5392 0x5392 /* * Chipset revisions. @@ -1945,6 +1946,11 @@ struct mac_iveiv_entry { */ #define RFCSR49_TX FIELD8(0x3f) +/* + * RFCSR 50: + */ +#define RFCSR50_TX FIELD8(0x3f) + /* * RF registers */ diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index 11488e743f08..4d3747c3010b 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -1958,7 +1958,22 @@ static void rt2800_config_channel_rf53xx(struct rt2x00_dev *rt2x00dev, rt2x00_set_field8(&rfcsr, RFCSR49_TX, info->default_power1); rt2800_rfcsr_write(rt2x00dev, 49, rfcsr); + if (rt2x00_rt(rt2x00dev, RT5392)) { + rt2800_rfcsr_read(rt2x00dev, 50, &rfcsr); + if (info->default_power1 > RT5390_POWER_BOUND) + rt2x00_set_field8(&rfcsr, RFCSR50_TX, + RT5390_POWER_BOUND); + else + rt2x00_set_field8(&rfcsr, RFCSR50_TX, + info->default_power2); + rt2800_rfcsr_write(rt2x00dev, 50, rfcsr); + } + rt2800_rfcsr_read(rt2x00dev, 1, &rfcsr); + if (rt2x00_rt(rt2x00dev, RT5392)) { + rt2x00_set_field8(&rfcsr, RFCSR1_RX1_PD, 1); + rt2x00_set_field8(&rfcsr, RFCSR1_TX1_PD, 1); + } rt2x00_set_field8(&rfcsr, RFCSR1_RF_BLOCK_EN, 1); rt2x00_set_field8(&rfcsr, RFCSR1_PLL_PD, 1); rt2x00_set_field8(&rfcsr, RFCSR1_RX0_PD, 1); @@ -2064,6 +2079,7 @@ static void rt2800_config_channel(struct rt2x00_dev *rt2x00dev, case RF5370: case RF5372: case RF5390: + case RF5392: rt2800_config_channel_rf53xx(rt2x00dev, conf, rf, info); break; default: @@ -2554,6 +2570,7 @@ void rt2800_vco_calibration(struct rt2x00_dev *rt2x00dev) case RF5370: case RF5372: case RF5390: + case RF5392: rt2800_rfcsr_read(rt2x00dev, 3, &rfcsr); rt2x00_set_field8(&rfcsr, RFCSR30_RF_CALIBRATION, 1); rt2800_rfcsr_write(rt2x00dev, 3, rfcsr); @@ -4269,6 +4286,7 @@ int rt2800_init_eeprom(struct rt2x00_dev *rt2x00dev) case RF5370: case RF5372: case RF5390: + case RF5392: break; default: ERROR(rt2x00dev, "Invalid RF chipset 0x%04x detected.\n", @@ -4583,7 +4601,8 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) rt2x00_rf(rt2x00dev, RF5360) || rt2x00_rf(rt2x00dev, RF5370) || rt2x00_rf(rt2x00dev, RF5372) || - rt2x00_rf(rt2x00dev, RF5390)) { + rt2x00_rf(rt2x00dev, RF5390) || + rt2x00_rf(rt2x00dev, RF5392)) { spec->num_channels = 14; spec->channels = rf_vals_3x; } else if (rt2x00_rf(rt2x00dev, RF3052)) { @@ -4670,6 +4689,7 @@ int rt2800_probe_hw_mode(struct rt2x00_dev *rt2x00dev) case RF5370: case RF5372: case RF5390: + case RF5392: __set_bit(CAPABILITY_VCO_RECALIBRATION, &rt2x00dev->cap_flags); break; } From d202caff28d69f4ec6cf56568f79b0916294cade Mon Sep 17 00:00:00 2001 From: Vivek Natarajan Date: Tue, 29 May 2012 15:59:55 +0530 Subject: [PATCH 166/241] ath9k: Ensure a fair beacon distribution in IBSS mode Configure CWmin based on slot time for IBSS mode. This helps in increasing the beacon distribution of ath9k to accepted levels in 11a mode. Signed-off-by: Vivek Natarajan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/beacon.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 11bc55e3d697..70b802529123 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -48,7 +48,10 @@ int ath_beaconq_config(struct ath_softc *sc) txq = sc->tx.txq_map[WME_AC_BE]; ath9k_hw_get_txq_props(ah, txq->axq_qnum, &qi_be); qi.tqi_aifs = qi_be.tqi_aifs; - qi.tqi_cwmin = 4*qi_be.tqi_cwmin; + if (ah->slottime == ATH9K_SLOT_TIME_20) + qi.tqi_cwmin = 2*qi_be.tqi_cwmin; + else + qi.tqi_cwmin = 4*qi_be.tqi_cwmin; qi.tqi_cwmax = qi_be.tqi_cwmax; } From a8ce85442e8ed7ae3c05e7e3b7e42adb32a371ec Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 30 May 2012 10:56:46 +0200 Subject: [PATCH 167/241] mac80211: configure 11b/g channel access rules for legacy APs For each EDCA TX queue change default settings (in STA mode) to conform old 802.11b/g channel access rules. This is needed for drivers that do not have QoS enable/disable "switch" (like rt2x00) to make them work properly with legacy APs. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- net/mac80211/util.c | 80 ++++++++++++++++++++++++++------------------- 1 file changed, 46 insertions(+), 34 deletions(-) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index 8dd4712620ff..b007c6861032 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -804,7 +804,7 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, struct ieee80211_local *local = sdata->local; struct ieee80211_tx_queue_params qparam; int ac; - bool use_11b; + bool use_11b, enable_qos; int aCWmin, aCWmax; if (!local->ops->conf_tx) @@ -818,6 +818,13 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, use_11b = (local->hw.conf.channel->band == IEEE80211_BAND_2GHZ) && !(sdata->flags & IEEE80211_SDATA_OPERATING_GMODE); + /* + * By default disable QoS in STA mode for old access points, which do + * not support 802.11e. New APs will provide proper queue parameters, + * that we will configure later. + */ + enable_qos = (sdata->vif.type != NL80211_IFTYPE_STATION); + for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) { /* Set defaults according to 802.11-2007 Table 7-37 */ aCWmax = 1023; @@ -826,38 +833,47 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, else aCWmin = 15; - switch (ac) { - case IEEE80211_AC_BK: - qparam.cw_max = aCWmax; - qparam.cw_min = aCWmin; - qparam.txop = 0; - qparam.aifs = 7; - break; - default: /* never happens but let's not leave undefined */ - case IEEE80211_AC_BE: + if (enable_qos) { + switch (ac) { + case IEEE80211_AC_BK: + qparam.cw_max = aCWmax; + qparam.cw_min = aCWmin; + qparam.txop = 0; + qparam.aifs = 7; + break; + /* never happens but let's not leave undefined */ + default: + case IEEE80211_AC_BE: + qparam.cw_max = aCWmax; + qparam.cw_min = aCWmin; + qparam.txop = 0; + qparam.aifs = 3; + break; + case IEEE80211_AC_VI: + qparam.cw_max = aCWmin; + qparam.cw_min = (aCWmin + 1) / 2 - 1; + if (use_11b) + qparam.txop = 6016/32; + else + qparam.txop = 3008/32; + qparam.aifs = 2; + break; + case IEEE80211_AC_VO: + qparam.cw_max = (aCWmin + 1) / 2 - 1; + qparam.cw_min = (aCWmin + 1) / 4 - 1; + if (use_11b) + qparam.txop = 3264/32; + else + qparam.txop = 1504/32; + qparam.aifs = 2; + break; + } + } else { + /* Confiure old 802.11b/g medium access rules. */ qparam.cw_max = aCWmax; qparam.cw_min = aCWmin; qparam.txop = 0; - qparam.aifs = 3; - break; - case IEEE80211_AC_VI: - qparam.cw_max = aCWmin; - qparam.cw_min = (aCWmin + 1) / 2 - 1; - if (use_11b) - qparam.txop = 6016/32; - else - qparam.txop = 3008/32; - qparam.aifs = 2; - break; - case IEEE80211_AC_VO: - qparam.cw_max = (aCWmin + 1) / 2 - 1; - qparam.cw_min = (aCWmin + 1) / 4 - 1; - if (use_11b) - qparam.txop = 3264/32; - else - qparam.txop = 1504/32; qparam.aifs = 2; - break; } qparam.uapsd = false; @@ -866,12 +882,8 @@ void ieee80211_set_wmm_default(struct ieee80211_sub_if_data *sdata, drv_conf_tx(local, sdata, ac, &qparam); } - /* after reinitialize QoS TX queues setting to default, - * disable QoS at all */ - if (sdata->vif.type != NL80211_IFTYPE_MONITOR) { - sdata->vif.bss_conf.qos = - sdata->vif.type != NL80211_IFTYPE_STATION; + sdata->vif.bss_conf.qos = enable_qos; if (bss_notify) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS); From 1c4cb928e1b7c6ad30a9b7d3e720f26156d92925 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Wed, 30 May 2012 15:57:00 +0200 Subject: [PATCH 168/241] mac80211: print info when disabling HT Make mac80211 print a message when it disables HT due to the connection using WEP/TKIP or due to the AP not supporting WMM/QoS. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- net/mac80211/mlme.c | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index da6bd81fec6d..e7c4ec4ce166 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3317,11 +3317,15 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, * We can set this to true for non-11n hardware, that'll be checked * separately along with the peer capabilities. */ - for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) + for (i = 0; i < req->crypto.n_ciphers_pairwise; i++) { if (req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP40 || req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_TKIP || - req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) + req->crypto.ciphers_pairwise[i] == WLAN_CIPHER_SUITE_WEP104) { ifmgd->flags |= IEEE80211_STA_DISABLE_11N; + netdev_info(sdata->dev, + "disabling HT due to WEP/TKIP use\n"); + } + } if (req->flags & ASSOC_REQ_DISABLE_HT) ifmgd->flags |= IEEE80211_STA_DISABLE_11N; @@ -3329,8 +3333,11 @@ int ieee80211_mgd_assoc(struct ieee80211_sub_if_data *sdata, /* Also disable HT if we don't support it or the AP doesn't use WMM */ sband = local->hw.wiphy->bands[req->bss->channel->band]; if (!sband->ht_cap.ht_supported || - local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) + local->hw.queues < IEEE80211_NUM_ACS || !bss->wmm_used) { ifmgd->flags |= IEEE80211_STA_DISABLE_11N; + netdev_info(sdata->dev, + "disabling HT as WMM/QoS is not supported\n"); + } memcpy(&ifmgd->ht_capa, &req->ht_capa, sizeof(ifmgd->ht_capa)); memcpy(&ifmgd->ht_capa_mask, &req->ht_capa_mask, From 8c06e8c08e25da6c147c30717aecfcfe3bdcb758 Mon Sep 17 00:00:00 2001 From: Chun-Yeow Yeoh Date: Thu, 31 May 2012 18:17:30 +0800 Subject: [PATCH 169/241] mac80211: Add missing mesh parameter dot11MeshForwarding for debugfs Signed-off-by: Chun-Yeow Yeoh Signed-off-by: John W. Linville --- net/mac80211/debugfs_netdev.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/debugfs_netdev.c b/net/mac80211/debugfs_netdev.c index 1a3b36154e73..d4272ff43f71 100644 --- a/net/mac80211/debugfs_netdev.c +++ b/net/mac80211/debugfs_netdev.c @@ -607,6 +607,7 @@ static void add_mesh_config(struct ieee80211_sub_if_data *sdata) MESHPARAMS_ADD(min_discovery_timeout); MESHPARAMS_ADD(dot11MeshHWMPRootMode); MESHPARAMS_ADD(dot11MeshHWMPRannInterval); + MESHPARAMS_ADD(dot11MeshForwarding); MESHPARAMS_ADD(dot11MeshGateAnnouncementProtocol); MESHPARAMS_ADD(rssi_threshold); MESHPARAMS_ADD(ht_opmode); From 3b08cf6bd2763bfe9d04fad4d7de29ee7735cd76 Mon Sep 17 00:00:00 2001 From: Pontus Fuchs Date: Thu, 31 May 2012 12:34:47 +0200 Subject: [PATCH 170/241] mac80211: Clear wowlan flag when drv_suspend returns failure drv_resume can get called without a prior call to drv_suspend. Consider the following steps: 1. Suspend is started but driver's drv_suspend returns error. 2. Suspend is aborted. local->wowlan flag is left set. 3. Interface is removed. 4. Suspend again. This time open_count is 0 so drv_suspend is not called and local->wowlan not cleared. 5. On resume ieee80211_reconfig will call drv_resume since local->wowlan is set. Signed-off-by: Pontus Fuchs Signed-off-by: John W. Linville --- net/mac80211/pm.c | 1 + 1 file changed, 1 insertion(+) diff --git a/net/mac80211/pm.c b/net/mac80211/pm.c index af1c4e26e965..98c128be3827 100644 --- a/net/mac80211/pm.c +++ b/net/mac80211/pm.c @@ -77,6 +77,7 @@ int __ieee80211_suspend(struct ieee80211_hw *hw, struct cfg80211_wowlan *wowlan) int err = drv_suspend(local, wowlan); if (err < 0) { local->quiescing = false; + local->wowlan = false; return err; } else if (err > 0) { WARN_ON(err != 1); From ccaf8c32d5ed08bfb4c45492f8f1c145fd45f4e8 Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Thu, 31 May 2012 22:38:22 +0200 Subject: [PATCH 171/241] ssb: recognize ARM Cortex M3 I found this core on a BCM4322, a PCI card in the Linksys WRT610N V1. This core is not used by the driver, this patch just makes ssb show the correct name. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/ssb/scan.c | 2 ++ include/linux/ssb/ssb.h | 1 + 2 files changed, 3 insertions(+) diff --git a/drivers/ssb/scan.c b/drivers/ssb/scan.c index 266c7c5c86dc..ab4627cf1114 100644 --- a/drivers/ssb/scan.c +++ b/drivers/ssb/scan.c @@ -90,6 +90,8 @@ const char *ssb_core_name(u16 coreid) return "ARM 1176"; case SSB_DEV_ARM_7TDMI: return "ARM 7TDMI"; + case SSB_DEV_ARM_CM3: + return "ARM Cortex M3"; } return "UNKNOWN"; } diff --git a/include/linux/ssb/ssb.h b/include/linux/ssb/ssb.h index bc14bd738ade..bb674c02f306 100644 --- a/include/linux/ssb/ssb.h +++ b/include/linux/ssb/ssb.h @@ -243,6 +243,7 @@ struct ssb_bus_ops { #define SSB_DEV_MINI_MACPHY 0x823 #define SSB_DEV_ARM_1176 0x824 #define SSB_DEV_ARM_7TDMI 0x825 +#define SSB_DEV_ARM_CM3 0x82A /* Vendor-ID values */ #define SSB_VENDOR_BROADCOM 0x4243 From ebf348fcd088e3ffc6e76f6f349e27d30604865b Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Fri, 1 Jun 2012 12:50:54 +0200 Subject: [PATCH 172/241] cfg80211: validate remain-on-channel time better The remain-on-channel time validation shouldn't depend on the value of HZ, as it does now with the check against jiffies, since then you might use a value that works on one system but not on another. Fix it by checking against a minimum that's fixed. Also add validation of the wait duration for a management frame TX since this also translates into remain-on-channel internally. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- include/linux/nl80211.h | 2 ++ net/wireless/nl80211.c | 23 ++++++++++++++++------- 2 files changed, 18 insertions(+), 7 deletions(-) diff --git a/include/linux/nl80211.h b/include/linux/nl80211.h index 85e5037a218d..970afdf5a605 100644 --- a/include/linux/nl80211.h +++ b/include/linux/nl80211.h @@ -1522,6 +1522,8 @@ enum nl80211_attrs { #define NL80211_MAX_NR_CIPHER_SUITES 5 #define NL80211_MAX_NR_AKM_SUITES 2 +#define NL80211_MIN_REMAIN_ON_CHANNEL_TIME 10 + /** * enum nl80211_iftype - (virtual) interface types * diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c index 5e29bd38e7df..7ae54b82291f 100644 --- a/net/wireless/nl80211.c +++ b/net/wireless/nl80211.c @@ -5545,18 +5545,18 @@ static int nl80211_remain_on_channel(struct sk_buff *skb, duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); + if (!rdev->ops->remain_on_channel || + !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) + return -EOPNOTSUPP; + /* - * We should be on that channel for at least one jiffie, - * and more than 5 seconds seems excessive. + * We should be on that channel for at least a minimum amount of + * time (10ms) but no longer than the driver supports. */ - if (!duration || !msecs_to_jiffies(duration) || + if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || duration > rdev->wiphy.max_remain_on_channel_duration) return -EINVAL; - if (!rdev->ops->remain_on_channel || - !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) - return -EOPNOTSUPP; - if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE] && !nl80211_valid_channel_type(info, &channel_type)) return -EINVAL; @@ -5827,6 +5827,15 @@ static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) return -EINVAL; wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); + + /* + * We should wait on the channel for at least a minimum amount + * of time (10ms) but no longer than the driver supports. + */ + if (wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || + wait > rdev->wiphy.max_remain_on_channel_duration) + return -EINVAL; + } if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { From 2b0446c4205fb3e77b205276ecd36d30b82cbb84 Mon Sep 17 00:00:00 2001 From: Chris Yungmann Date: Sun, 3 Jun 2012 00:57:57 -0500 Subject: [PATCH 173/241] brcm80211: brcmsmac: fixed checkpatch and sparse warnings Fixed checkpatch and sparse warnings related to aiutils.* Signed-off-by: Chris Yungmann Signed-off-by: John W. Linville --- drivers/net/wireless/brcm80211/brcmsmac/aiutils.c | 3 +-- drivers/net/wireless/brcm80211/brcmsmac/aiutils.h | 2 +- 2 files changed, 2 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c index 6d8b7213643a..3c6f9b1e8d05 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.c @@ -631,9 +631,8 @@ uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val) cc = sii->icbus->drv_cc.core; /* mask and set */ - if (mask || val) { + if (mask || val) bcma_maskset32(cc, regoff, ~mask, val); - } /* readback */ w = bcma_read32(cc, regoff); diff --git a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h index d9f04a683bdb..d6fa9829af9a 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h +++ b/drivers/net/wireless/brcm80211/brcmsmac/aiutils.h @@ -193,7 +193,7 @@ extern void ai_detach(struct si_pub *sih); extern uint ai_cc_reg(struct si_pub *sih, uint regoff, u32 mask, u32 val); extern void ai_clkctl_init(struct si_pub *sih); extern u16 ai_clkctl_fast_pwrup_delay(struct si_pub *sih); -extern bool ai_clkctl_cc(struct si_pub *sih, uint mode); +extern bool ai_clkctl_cc(struct si_pub *sih, enum bcma_clkmode mode); extern bool ai_deviceremoved(struct si_pub *sih); extern void ai_pci_down(struct si_pub *sih); From 2e8d397eeeb1f5bd932d20d6abc020afe7e63b0b Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Sun, 3 Jun 2012 23:31:56 +0300 Subject: [PATCH 174/241] mac80211: add stations after AP start on reconfig When performing a HW restart for an AP mode interface, add stations back only after the AP is beaconing. This mimics the normal flow of STA addition on AP. Some devices (wlcore) do not support adding stations before beaconing, so this has the added benefit of making recovery work for them. Signed-off-by: Arik Nemtsov Signed-off-by: John W. Linville --- net/mac80211/util.c | 37 ++++++++++++++++++++++++++++++------- 1 file changed, 30 insertions(+), 7 deletions(-) diff --git a/net/mac80211/util.c b/net/mac80211/util.c index b007c6861032..1df4019f294b 100644 --- a/net/mac80211/util.c +++ b/net/mac80211/util.c @@ -1279,14 +1279,19 @@ int ieee80211_reconfig(struct ieee80211_local *local) /* add STAs back */ mutex_lock(&local->sta_mtx); list_for_each_entry(sta, &local->sta_list, list) { - if (sta->uploaded) { - enum ieee80211_sta_state state; + enum ieee80211_sta_state state; - for (state = IEEE80211_STA_NOTEXIST; - state < sta->sta_state; state++) - WARN_ON(drv_sta_state(local, sta->sdata, sta, - state, state + 1)); - } + if (!sta->uploaded) + continue; + + /* AP-mode stations will be added later */ + if (sta->sdata->vif.type == NL80211_IFTYPE_AP) + continue; + + for (state = IEEE80211_STA_NOTEXIST; + state < sta->sta_state; state++) + WARN_ON(drv_sta_state(local, sta->sdata, sta, state, + state + 1)); } mutex_unlock(&local->sta_mtx); @@ -1383,6 +1388,24 @@ int ieee80211_reconfig(struct ieee80211_local *local) } } + /* APs are now beaconing, add back stations */ + mutex_lock(&local->sta_mtx); + list_for_each_entry(sta, &local->sta_list, list) { + enum ieee80211_sta_state state; + + if (!sta->uploaded) + continue; + + if (sta->sdata->vif.type != NL80211_IFTYPE_AP) + continue; + + for (state = IEEE80211_STA_NOTEXIST; + state < sta->sta_state; state++) + WARN_ON(drv_sta_state(local, sta->sdata, sta, state, + state + 1)); + } + mutex_unlock(&local->sta_mtx); + /* add back keys */ list_for_each_entry(sdata, &local->interfaces, list) if (ieee80211_sdata_running(sdata)) From aaa1ec46b3be258b851477024fb41e140b14d1a6 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:08 +0530 Subject: [PATCH 175/241] ath9k: Prune ath9k_init_device Instead of cluttering ath9k_init_device() with 'ath_softc' specific initialization code, use ath9k_init_softc() to setup driver-specific work routines, timers etc. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/init.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index dee9e092449a..3e2283970ee3 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -489,6 +489,7 @@ static void ath9k_init_misc(struct ath_softc *sc) setup_timer(&common->ani.timer, ath_ani_calibrate, (unsigned long)sc); + sc->last_rssi = ATH_RSSI_DUMMY_MARKER; sc->config.txpowlimit = ATH_TXPOWER_MAX; memcpy(common->bssidmask, ath_bcast_mac, ETH_ALEN); sc->beacon.slottime = ATH9K_SLOT_TIME_9; @@ -560,6 +561,12 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, tasklet_init(&sc->bcon_tasklet, ath_beacon_tasklet, (unsigned long)sc); + INIT_WORK(&sc->hw_reset_work, ath_reset_work); + INIT_WORK(&sc->hw_check_work, ath_hw_check); + INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); + INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); + setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc); + /* * Cache line size is used to size and align various * structures used to communicate with the hardware. @@ -782,11 +789,6 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, ARRAY_SIZE(ath9k_tpt_blink)); #endif - INIT_WORK(&sc->hw_reset_work, ath_reset_work); - INIT_WORK(&sc->hw_check_work, ath_hw_check); - INIT_WORK(&sc->paprd_work, ath_paprd_calibrate); - INIT_DELAYED_WORK(&sc->hw_pll_work, ath_hw_pll_work); - /* Register with mac80211 */ error = ieee80211_register_hw(hw); if (error) @@ -805,9 +807,6 @@ int ath9k_init_device(u16 devid, struct ath_softc *sc, goto error_world; } - setup_timer(&sc->rx_poll_timer, ath_rx_poll, (unsigned long)sc); - sc->last_rssi = ATH_RSSI_DUMMY_MARKER; - ath_init_leds(sc); ath_start_rfkill_poll(sc); From d09f5f4cfb9f4c6aa8c18ea522e824660d4096d7 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:14 +0530 Subject: [PATCH 176/241] ath9k: Handle ASPM properly ASPM has to be disabled when BTCOEX is in use, do this properly by calling the bus-specific ASPM init routine after the BTCOEX scheme has been determined. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 11 ----------- drivers/net/wireless/ath/ath9k/init.c | 3 +++ drivers/net/wireless/ath/ath9k/pci.c | 5 +++++ 3 files changed, 8 insertions(+), 11 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 7db1890448f2..febf6971b40a 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -390,14 +390,6 @@ static void ath9k_hw_disablepcie(struct ath_hw *ah) REG_WRITE(ah, AR_PCIE_SERDES2, 0x00000000); } -static void ath9k_hw_aspm_init(struct ath_hw *ah) -{ - struct ath_common *common = ath9k_hw_common(ah); - - if (common->bus_ops->aspm_init) - common->bus_ops->aspm_init(common); -} - /* This should work for all families including legacy */ static bool ath9k_hw_chip_test(struct ath_hw *ah) { @@ -693,9 +685,6 @@ static int __ath9k_hw_init(struct ath_hw *ah) if (r) return r; - if (ah->is_pciexpress) - ath9k_hw_aspm_init(ah); - r = ath9k_hw_init_macaddr(ah); if (r) { ath_err(common, "Failed to initialize MAC address\n"); diff --git a/drivers/net/wireless/ath/ath9k/init.c b/drivers/net/wireless/ath/ath9k/init.c index 3e2283970ee3..9dfce1a69c73 100644 --- a/drivers/net/wireless/ath/ath9k/init.c +++ b/drivers/net/wireless/ath/ath9k/init.c @@ -597,6 +597,9 @@ static int ath9k_init_softc(u16 devid, struct ath_softc *sc, ath9k_cmn_init_crypto(sc->sc_ah); ath9k_init_misc(sc); + if (common->bus_ops->aspm_init) + common->bus_ops->aspm_init(common); + return 0; err_btcoex: diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index a856b51255f4..6ec9f88712d0 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -115,6 +115,9 @@ static void ath_pci_aspm_init(struct ath_common *common) int pos; u8 aspm; + if (!ah->is_pciexpress) + return; + pos = pci_pcie_cap(pdev); if (!pos) return; @@ -138,6 +141,7 @@ static void ath_pci_aspm_init(struct ath_common *common) aspm &= ~(PCIE_LINK_STATE_L0S | PCIE_LINK_STATE_L1); pci_write_config_byte(parent, pos + PCI_EXP_LNKCTL, aspm); + ath_info(common, "Disabling ASPM since BTCOEX is enabled\n"); return; } @@ -147,6 +151,7 @@ static void ath_pci_aspm_init(struct ath_common *common) ah->aspm_enabled = true; /* Initialize PCIe PM and SERDES registers. */ ath9k_hw_configpcipowersave(ah, false); + ath_info(common, "ASPM enabled: 0x%x\n", aspm); } } From e270e776a0985511146555e79edbe53539809adb Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:19 +0530 Subject: [PATCH 177/241] ath9k: Setup MCI interrupts properly MCI interrupts have to be enabled only when BTCOEX is actually in use. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 3 +-- drivers/net/wireless/ath/ath9k/mci.c | 11 +++++++++++ drivers/net/wireless/ath/ath9k/mci.h | 11 ++++++++++- 3 files changed, 22 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index cfbcc047c61e..3809fc8ec8a4 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -1045,8 +1045,7 @@ static int ath9k_start(struct ieee80211_hw *hw) if (ah->caps.hw_caps & ATH9K_HW_CAP_HT) ah->imask |= ATH9K_INT_CST; - if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) - ah->imask |= ATH9K_INT_MCI; + ath_mci_enable(sc); sc->sc_flags &= ~SC_OP_INVALID; sc->sc_ah->is_monitoring = false; diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 29fe52d69973..7b553f6a97b1 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -538,3 +538,14 @@ void ath_mci_intr(struct ath_softc *sc) mci_int &= ~(AR_MCI_INTERRUPT_RX_INVALID_HDR | AR_MCI_INTERRUPT_CONT_INFO_TIMEOUT); } + +void ath_mci_enable(struct ath_softc *sc) +{ + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + + if (!common->btcoex_enabled) + return; + + if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) + sc->sc_ah->imask |= ATH9K_INT_MCI; +} diff --git a/drivers/net/wireless/ath/ath9k/mci.h b/drivers/net/wireless/ath/ath9k/mci.h index c841444f53c2..fc14eea034eb 100644 --- a/drivers/net/wireless/ath/ath9k/mci.h +++ b/drivers/net/wireless/ath/ath9k/mci.h @@ -130,4 +130,13 @@ void ath_mci_flush_profile(struct ath_mci_profile *mci); int ath_mci_setup(struct ath_softc *sc); void ath_mci_cleanup(struct ath_softc *sc); void ath_mci_intr(struct ath_softc *sc); -#endif + +#ifdef CONFIG_ATH9K_BTCOEX_SUPPORT +void ath_mci_enable(struct ath_softc *sc); +#else +static inline void ath_mci_enable(struct ath_softc *sc) +{ +} +#endif /* CONFIG_ATH9K_BTCOEX_SUPPORT */ + +#endif /* MCI_H*/ From 83c7a52dcce256fc20cd43dbf6866e3e05f2bf71 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:25 +0530 Subject: [PATCH 178/241] ath9k_hw: Fix AR_RTC_KEEP_AWAKE usage The default value that is being programmed to AR_RTC_KEEP_AWAKE is 0x2, there is no need to program it manually in various functions. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 1 - drivers/net/wireless/ath/ath9k/hw.c | 11 ----------- 2 files changed, 12 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index ffbb180f91e1..9331d73f69aa 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -330,7 +330,6 @@ void ar9003_mci_set_full_sleep(struct ath_hw *ah) } mci->ready = false; - REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2); } static void ar9003_mci_disable_interrupt(struct ath_hw *ah) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index febf6971b40a..42cf3c8db95b 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1432,9 +1432,6 @@ static bool ath9k_hw_set_reset_reg(struct ath_hw *ah, u32 type) break; } - if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) - REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2); - return ret; } @@ -2167,10 +2164,6 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) switch (mode) { case ATH9K_PM_AWAKE: status = ath9k_hw_set_power_awake(ah, setChip); - - if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) - REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2); - break; case ATH9K_PM_FULL_SLEEP: if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) @@ -2180,10 +2173,6 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) ah->chip_fullsleep = true; break; case ATH9K_PM_NETWORK_SLEEP: - - if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) - REG_WRITE(ah, AR_RTC_KEEP_AWAKE, 0x2); - ath9k_set_power_network_sleep(ah, setChip); break; default: From 5955b2b0ef208e03188ef1c2810c004bde493253 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:30 +0530 Subject: [PATCH 179/241] ath9k_hw: Fix MCI usage MCI has to be handled only when BTCOEX is actually enabled. Check for this condition before calling MCI related functions from various reset/calibration call-sites. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_calib.c | 5 ++--- drivers/net/wireless/ath/ath9k/ar9003_mci.h | 8 -------- drivers/net/wireless/ath/ath9k/hw.c | 15 +++++++-------- drivers/net/wireless/ath/ath9k/hw.h | 9 +++++++++ 4 files changed, 18 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index 9fdd70fcaf5b..f83a4a2e1da2 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -901,7 +901,6 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, bool is_reusable = true, status = true; bool run_rtt_cal = false, run_agc_cal; bool rtt = !!(ah->caps.hw_caps & ATH9K_HW_CAP_RTT); - bool mci = !!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI); u32 agc_ctrl = 0, agc_supp_cals = AR_PHY_AGC_CONTROL_OFFSET_CAL | AR_PHY_AGC_CONTROL_FLTR_CAL | AR_PHY_AGC_CONTROL_PKDET_CAL; @@ -970,7 +969,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, } else if (caldata && !caldata->done_txiqcal_once) run_agc_cal = true; - if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal) + if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal) ar9003_mci_init_cal_req(ah, &is_reusable); if (!(IS_CHAN_HALF_RATE(chan) || IS_CHAN_QUARTER_RATE(chan))) { @@ -993,7 +992,7 @@ static bool ar9003_hw_init_cal(struct ath_hw *ah, 0, AH_WAIT_TIMEOUT); } - if (mci && IS_CHAN_2GHZ(chan) && run_agc_cal) + if (ath9k_hw_mci_is_enabled(ah) && IS_CHAN_2GHZ(chan) && run_agc_cal) ar9003_mci_init_cal_done(ah); if (rtt && !run_rtt_cal) { diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h index 4842f6c06b8c..652ab8c39e2b 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h @@ -273,10 +273,6 @@ void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, #ifdef CONFIG_ATH9K_BTCOEX_SUPPORT -static inline bool ar9003_mci_is_ready(struct ath_hw *ah) -{ - return ah->btcoex_hw.mci.ready; -} void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep); void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable); void ar9003_mci_init_cal_done(struct ath_hw *ah); @@ -292,10 +288,6 @@ void ar9003_mci_get_isr(struct ath_hw *ah, enum ath9k_int *masked); #else -static inline bool ar9003_mci_is_ready(struct ath_hw *ah) -{ - return false; -} static inline void ar9003_mci_stop_bt(struct ath_hw *ah, bool save_fullsleep) { } diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 42cf3c8db95b..a7231cadec40 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -1707,7 +1707,7 @@ static int ath9k_hw_do_fastcc(struct ath_hw *ah, struct ath9k_channel *chan) ath9k_hw_loadnf(ah, ah->curchan); ath9k_hw_start_nfcal(ah, true); - if ((ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && ar9003_mci_is_ready(ah)) + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_2g5g_switch(ah, true); if (AR_SREV_9271(ah)) @@ -1728,10 +1728,9 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, u64 tsf = 0; int i, r; bool start_mci_reset = false; - bool mci = !!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI); bool save_fullsleep = ah->chip_fullsleep; - if (mci) { + if (ath9k_hw_mci_is_enabled(ah)) { start_mci_reset = ar9003_mci_start_reset(ah, chan); if (start_mci_reset) return 0; @@ -1760,7 +1759,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, return r; } - if (mci) + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_stop_bt(ah, save_fullsleep); saveDefAntenna = REG_READ(ah, AR_DEF_ANTENNA); @@ -1818,7 +1817,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (r) return r; - if (mci) + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_reset(ah, false, IS_CHAN_2GHZ(chan), save_fullsleep); /* @@ -1937,7 +1936,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, ath9k_hw_loadnf(ah, chan); ath9k_hw_start_nfcal(ah, true); - if (mci && ar9003_mci_end_reset(ah, chan, caldata)) + if (ath9k_hw_mci_is_enabled(ah) && ar9003_mci_end_reset(ah, chan, caldata)) return -EIO; ENABLE_REGWRITE_BUFFER(ah); @@ -1982,7 +1981,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (ath9k_hw_btcoex_is_enabled(ah)) ath9k_hw_btcoex_enable(ah); - if (mci) + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_check_bt(ah); if (AR_SREV_9300_20_OR_LATER(ah)) { @@ -2166,7 +2165,7 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) status = ath9k_hw_set_power_awake(ah, setChip); break; case ATH9K_PM_FULL_SLEEP: - if (ah->caps.hw_caps & ATH9K_HW_CAP_MCI) + if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_set_full_sleep(ah); ath9k_set_power_sleep(ah, setChip); diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index b620c557c2a6..3740aab864f4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -1037,6 +1037,11 @@ static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah) { return ah->btcoex_hw.enabled; } +static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah) +{ + return ah->btcoex_hw.enabled && (ah->caps.hw_caps & ATH9K_HW_CAP_MCI); + +} void ath9k_hw_btcoex_enable(struct ath_hw *ah); static inline enum ath_btcoex_scheme ath9k_hw_get_btcoex_scheme(struct ath_hw *ah) @@ -1048,6 +1053,10 @@ static inline bool ath9k_hw_btcoex_is_enabled(struct ath_hw *ah) { return false; } +static inline bool ath9k_hw_mci_is_enabled(struct ath_hw *ah) +{ + return false; +} static inline void ath9k_hw_btcoex_enable(struct ath_hw *ah) { } From 31604cf0a73ffd63929f3a646d5402d5901c6e4b Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:36 +0530 Subject: [PATCH 180/241] ath9k_hw: Cleanup power mode API The 'setChip' variable is unused, remove it and simplify the functions. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 175 ++++++++++++++-------------- 1 file changed, 85 insertions(+), 90 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index a7231cadec40..9f0f5f74f17a 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2004,39 +2004,38 @@ EXPORT_SYMBOL(ath9k_hw_reset); * Notify Power Mgt is disabled in self-generated frames. * If requested, force chip to sleep. */ -static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip) +static void ath9k_set_power_sleep(struct ath_hw *ah) { REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); - if (setChip) { - if (AR_SREV_9462(ah)) { - REG_WRITE(ah, AR_TIMER_MODE, - REG_READ(ah, AR_TIMER_MODE) & 0xFFFFFF00); - REG_WRITE(ah, AR_NDP2_TIMER_MODE, REG_READ(ah, - AR_NDP2_TIMER_MODE) & 0xFFFFFF00); - REG_WRITE(ah, AR_SLP32_INC, - REG_READ(ah, AR_SLP32_INC) & 0xFFF00000); - /* xxx Required for WLAN only case ? */ - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); - udelay(100); - } - /* - * Clear the RTC force wake bit to allow the - * mac to go to sleep. - */ - REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); + if (AR_SREV_9462(ah)) { + REG_WRITE(ah, AR_TIMER_MODE, + REG_READ(ah, AR_TIMER_MODE) & 0xFFFFFF00); + REG_WRITE(ah, AR_NDP2_TIMER_MODE, + REG_READ(ah, AR_NDP2_TIMER_MODE) & 0xFFFFFF00); + REG_WRITE(ah, AR_SLP32_INC, + REG_READ(ah, AR_SLP32_INC) & 0xFFF00000); + /* xxx Required for WLAN only case ? */ + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); + udelay(100); + } - if (AR_SREV_9462(ah)) - udelay(100); + /* + * Clear the RTC force wake bit to allow the + * mac to go to sleep. + */ + REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) - REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF); + if (AR_SREV_9462(ah)) + udelay(100); - /* Shutdown chip. Active low */ - if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah)) { - REG_CLR_BIT(ah, AR_RTC_RESET, AR_RTC_RESET_EN); - udelay(2); - } + if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) + REG_WRITE(ah, AR_RC, AR_RC_AHB | AR_RC_HOSTIF); + + /* Shutdown chip. Active low */ + if (!AR_SREV_5416(ah) && !AR_SREV_9271(ah)) { + REG_CLR_BIT(ah, AR_RTC_RESET, AR_RTC_RESET_EN); + udelay(2); } /* Clear Bit 14 of AR_WA after putting chip into Full Sleep mode. */ @@ -2049,44 +2048,42 @@ static void ath9k_set_power_sleep(struct ath_hw *ah, int setChip) * frames. If request, set power mode of chip to * auto/normal. Duration in units of 128us (1/8 TU). */ -static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip) +static void ath9k_set_power_network_sleep(struct ath_hw *ah) { + struct ath9k_hw_capabilities *pCap = &ah->caps; u32 val; REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); - if (setChip) { - struct ath9k_hw_capabilities *pCap = &ah->caps; - if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { - /* Set WakeOnInterrupt bit; clear ForceWake bit */ - REG_WRITE(ah, AR_RTC_FORCE_WAKE, - AR_RTC_FORCE_WAKE_ON_INT); - } else { + if (!(pCap->hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) { + /* Set WakeOnInterrupt bit; clear ForceWake bit */ + REG_WRITE(ah, AR_RTC_FORCE_WAKE, + AR_RTC_FORCE_WAKE_ON_INT); + } else { - /* When chip goes into network sleep, it could be waken - * up by MCI_INT interrupt caused by BT's HW messages - * (LNA_xxx, CONT_xxx) which chould be in a very fast - * rate (~100us). This will cause chip to leave and - * re-enter network sleep mode frequently, which in - * consequence will have WLAN MCI HW to generate lots of - * SYS_WAKING and SYS_SLEEPING messages which will make - * BT CPU to busy to process. - */ - if (AR_SREV_9462(ah)) { - val = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_EN) & - ~AR_MCI_INTERRUPT_RX_HW_MSG_MASK; - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, val); - } - /* - * Clear the RTC force wake bit to allow the - * mac to go to sleep. - */ - REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, - AR_RTC_FORCE_WAKE_EN); - - if (AR_SREV_9462(ah)) - udelay(30); + /* When chip goes into network sleep, it could be waken + * up by MCI_INT interrupt caused by BT's HW messages + * (LNA_xxx, CONT_xxx) which chould be in a very fast + * rate (~100us). This will cause chip to leave and + * re-enter network sleep mode frequently, which in + * consequence will have WLAN MCI HW to generate lots of + * SYS_WAKING and SYS_SLEEPING messages which will make + * BT CPU to busy to process. + */ + if (AR_SREV_9462(ah)) { + val = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_EN) & + ~AR_MCI_INTERRUPT_RX_HW_MSG_MASK; + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, val); } + /* + * Clear the RTC force wake bit to allow the + * mac to go to sleep. + */ + REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, + AR_RTC_FORCE_WAKE_EN); + + if (AR_SREV_9462(ah)) + udelay(30); } /* Clear Bit 14 of AR_WA after putting chip into Net Sleep mode. */ @@ -2094,7 +2091,7 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah, int setChip) REG_WRITE(ah, AR_WA, ah->WARegVal & ~AR_WA_D3_L1_DISABLE); } -static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip) +static bool ath9k_hw_set_power_awake(struct ath_hw *ah) { u32 val; int i; @@ -2105,37 +2102,35 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip) udelay(10); } - if (setChip) { - if ((REG_READ(ah, AR_RTC_STATUS) & - AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) { - if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) { - return false; - } - if (!AR_SREV_9300_20_OR_LATER(ah)) - ath9k_hw_init_pll(ah, NULL); + if ((REG_READ(ah, AR_RTC_STATUS) & + AR_RTC_STATUS_M) == AR_RTC_STATUS_SHUTDOWN) { + if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_POWER_ON)) { + return false; } - if (AR_SREV_9100(ah)) - REG_SET_BIT(ah, AR_RTC_RESET, - AR_RTC_RESET_EN); + if (!AR_SREV_9300_20_OR_LATER(ah)) + ath9k_hw_init_pll(ah, NULL); + } + if (AR_SREV_9100(ah)) + REG_SET_BIT(ah, AR_RTC_RESET, + AR_RTC_RESET_EN); + REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, + AR_RTC_FORCE_WAKE_EN); + udelay(50); + + for (i = POWER_UP_TIME / 50; i > 0; i--) { + val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M; + if (val == AR_RTC_STATUS_ON) + break; + udelay(50); REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - udelay(50); - - for (i = POWER_UP_TIME / 50; i > 0; i--) { - val = REG_READ(ah, AR_RTC_STATUS) & AR_RTC_STATUS_M; - if (val == AR_RTC_STATUS_ON) - break; - udelay(50); - REG_SET_BIT(ah, AR_RTC_FORCE_WAKE, - AR_RTC_FORCE_WAKE_EN); - } - if (i == 0) { - ath_err(ath9k_hw_common(ah), - "Failed to wakeup in %uus\n", - POWER_UP_TIME / 20); - return false; - } + } + if (i == 0) { + ath_err(ath9k_hw_common(ah), + "Failed to wakeup in %uus\n", + POWER_UP_TIME / 20); + return false; } REG_CLR_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); @@ -2146,7 +2141,7 @@ static bool ath9k_hw_set_power_awake(struct ath_hw *ah, int setChip) bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) { struct ath_common *common = ath9k_hw_common(ah); - int status = true, setChip = true; + int status = true; static const char *modes[] = { "AWAKE", "FULL-SLEEP", @@ -2162,17 +2157,17 @@ bool ath9k_hw_setpower(struct ath_hw *ah, enum ath9k_power_mode mode) switch (mode) { case ATH9K_PM_AWAKE: - status = ath9k_hw_set_power_awake(ah, setChip); + status = ath9k_hw_set_power_awake(ah); break; case ATH9K_PM_FULL_SLEEP: if (ath9k_hw_mci_is_enabled(ah)) ar9003_mci_set_full_sleep(ah); - ath9k_set_power_sleep(ah, setChip); + ath9k_set_power_sleep(ah); ah->chip_fullsleep = true; break; case ATH9K_PM_NETWORK_SLEEP: - ath9k_set_power_network_sleep(ah, setChip); + ath9k_set_power_network_sleep(ah); break; default: ath_err(common, "Unknown power mode %u\n", mode); From 97ba515a201bc61c7d36c41ad728b0a7debd5d88 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:41 +0530 Subject: [PATCH 181/241] ath9k: Add MCI interrupt to debugfs statistics Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/debug.c | 3 +++ drivers/net/wireless/ath/ath9k/debug.h | 1 + 2 files changed, 4 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index fde700c4e490..c134ddaa10a1 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -374,6 +374,8 @@ void ath_debug_stat_interrupt(struct ath_softc *sc, enum ath9k_int status) sc->debug.stats.istats.dtim++; if (status & ATH9K_INT_TSFOOR) sc->debug.stats.istats.tsfoor++; + if (status & ATH9K_INT_MCI) + sc->debug.stats.istats.mci++; } static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, @@ -418,6 +420,7 @@ static ssize_t read_file_interrupt(struct file *file, char __user *user_buf, PR_IS("DTIMSYNC", dtimsync); PR_IS("DTIM", dtim); PR_IS("TSFOOR", tsfoor); + PR_IS("MCI", mci); PR_IS("TOTAL", total); len += snprintf(buf + len, mxlen - len, diff --git a/drivers/net/wireless/ath/ath9k/debug.h b/drivers/net/wireless/ath/ath9k/debug.h index c34da09d9103..d0f851cea43a 100644 --- a/drivers/net/wireless/ath/ath9k/debug.h +++ b/drivers/net/wireless/ath/ath9k/debug.h @@ -86,6 +86,7 @@ struct ath_interrupt_stats { u32 dtim; u32 bb_watchdog; u32 tsfoor; + u32 mci; /* Sync-cause stats */ u32 sync_cause_all; From 2fd5d35bc87a301d5c10397c5b38a4ec8532a975 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:47 +0530 Subject: [PATCH 182/241] ath9k_hw: Fix variable usage Exposed by sparse: ar9003_mci.c:1134:31: warning: Using plain integer as NULL pointer Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 9331d73f69aa..b501bf143437 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -1131,7 +1131,7 @@ void ar9003_mci_init_cal_req(struct ath_hw *ah, bool *is_reusable) if (ar9003_mci_wait_for_gpm(ah, MCI_GPM_BT_CAL_GRANT, 0, 50000)) { ath_dbg(common, MCI, "MCI BT_CAL_GRANT received\n"); } else { - is_reusable = false; + *is_reusable = false; ath_dbg(common, MCI, "MCI BT_CAL_GRANT not received\n"); } } From 4cb54fa3a2456e66d8e3bae663d66f00cbb9e483 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:52 +0530 Subject: [PATCH 183/241] ath9k: Remove SC_OP_OFFCHANNEL mac80211's IEEE80211_CONF_OFFCHANNEL can be used directly to track offchannel state. Also pass the correct boolean value to ath9k_hw_startpcureceive(). Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 13 ++++++------- drivers/net/wireless/ath/ath9k/main.c | 11 +++-------- drivers/net/wireless/ath/ath9k/recv.c | 4 ++-- 3 files changed, 11 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index a277cf6f339d..e204648a84fe 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -586,13 +586,12 @@ struct ath_ant_comb { #define SC_OP_INVALID BIT(0) #define SC_OP_BEACONS BIT(1) -#define SC_OP_OFFCHANNEL BIT(2) -#define SC_OP_RXFLUSH BIT(3) -#define SC_OP_TSF_RESET BIT(4) -#define SC_OP_BT_PRIORITY_DETECTED BIT(5) -#define SC_OP_BT_SCAN BIT(6) -#define SC_OP_ANI_RUN BIT(7) -#define SC_OP_PRIM_STA_VIF BIT(8) +#define SC_OP_RXFLUSH BIT(2) +#define SC_OP_TSF_RESET BIT(3) +#define SC_OP_BT_PRIORITY_DETECTED BIT(4) +#define SC_OP_BT_SCAN BIT(5) +#define SC_OP_ANI_RUN BIT(6) +#define SC_OP_PRIM_STA_VIF BIT(7) /* Powersave flags */ #define PS_WAIT_FOR_BEACON BIT(0) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 3809fc8ec8a4..d739c8e6a012 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -152,7 +152,7 @@ void ath_start_ani(struct ath_common *common) if (!(sc->sc_flags & SC_OP_ANI_RUN)) return; - if (sc->sc_flags & SC_OP_OFFCHANNEL) + if (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) return; common->ani.longcal_timer = timestamp; @@ -282,7 +282,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) ath9k_hw_set_interrupts(ah); ath9k_hw_enable_interrupts(ah); - if (!(sc->sc_flags & (SC_OP_OFFCHANNEL)) && start) { + if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && start) { if (sc->sc_flags & SC_OP_BEACONS) ath_set_beacon(sc); @@ -328,7 +328,7 @@ static int ath_reset_internal(struct ath_softc *sc, struct ath9k_channel *hchan, spin_lock_bh(&sc->sc_pcu_lock); - if (!(sc->sc_flags & SC_OP_OFFCHANNEL)) { + if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)) { fastcc = false; caldata = &sc->caldata; } @@ -1626,11 +1626,6 @@ static int ath9k_config(struct ieee80211_hw *hw, u32 changed) if (ah->curchan) old_pos = ah->curchan - &ah->channels[0]; - if (hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) - sc->sc_flags |= SC_OP_OFFCHANNEL; - else - sc->sc_flags &= ~SC_OP_OFFCHANNEL; - ath_dbg(common, CONFIG, "Set channel: %d MHz type: %d\n", curchan->center_freq, conf->channel_type); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index e1fcc68124dc..18acdbcbb03f 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -303,7 +303,7 @@ static void ath_edma_start_recv(struct ath_softc *sc) ath_opmode_init(sc); - ath9k_hw_startpcureceive(sc->sc_ah, (sc->sc_flags & SC_OP_OFFCHANNEL)); + ath9k_hw_startpcureceive(sc->sc_ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)); spin_unlock_bh(&sc->rx.rxbuflock); } @@ -500,7 +500,7 @@ int ath_startrecv(struct ath_softc *sc) start_recv: ath_opmode_init(sc); - ath9k_hw_startpcureceive(ah, (sc->sc_flags & SC_OP_OFFCHANNEL)); + ath9k_hw_startpcureceive(ah, !!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)); spin_unlock_bh(&sc->rx.rxbuflock); From e6930c4b32aaa30fb9510984509afcc9f61fa39c Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 16:27:58 +0530 Subject: [PATCH 184/241] ath9k: Use separate operational flags for BTCOEX Also, use atomic operations to check the flags. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 12 ++++++++---- drivers/net/wireless/ath/ath9k/gpio.c | 23 ++++++++++++----------- 2 files changed, 20 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index e204648a84fe..ee946b8fe00c 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -441,12 +441,18 @@ void ath_start_ani(struct ath_common *common); /* BTCOEX */ /**********/ +enum bt_op_flags { + BT_OP_PRIORITY_DETECTED, + BT_OP_SCAN, +}; + struct ath_btcoex { bool hw_timer_enabled; spinlock_t btcoex_lock; struct timer_list period_timer; /* Timer for BT period */ u32 bt_priority_cnt; unsigned long bt_priority_time; + unsigned long op_flags; int bt_stomp_type; /* Types of BT stomping */ u32 btcoex_no_stomp; /* in usec */ u32 btcoex_period; /* in usec */ @@ -588,10 +594,8 @@ struct ath_ant_comb { #define SC_OP_BEACONS BIT(1) #define SC_OP_RXFLUSH BIT(2) #define SC_OP_TSF_RESET BIT(3) -#define SC_OP_BT_PRIORITY_DETECTED BIT(4) -#define SC_OP_BT_SCAN BIT(5) -#define SC_OP_ANI_RUN BIT(6) -#define SC_OP_PRIM_STA_VIF BIT(7) +#define SC_OP_ANI_RUN BIT(4) +#define SC_OP_PRIM_STA_VIF BIT(5) /* Powersave flags */ #define PS_WAIT_FOR_BEACON BIT(0) diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index 281a9af0f1b6..9397a6d2ed5d 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -132,17 +132,18 @@ static void ath_detect_bt_priority(struct ath_softc *sc) if (time_after(jiffies, btcoex->bt_priority_time + msecs_to_jiffies(ATH_BT_PRIORITY_TIME_THRESHOLD))) { - sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN); + clear_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); + clear_bit(BT_OP_SCAN, &btcoex->op_flags); /* Detect if colocated bt started scanning */ if (btcoex->bt_priority_cnt >= ATH_BT_CNT_SCAN_THRESHOLD) { ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, "BT scan detected\n"); - sc->sc_flags |= (SC_OP_BT_SCAN | - SC_OP_BT_PRIORITY_DETECTED); + set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); + set_bit(BT_OP_SCAN, &btcoex->op_flags); } else if (btcoex->bt_priority_cnt >= ATH_BT_CNT_THRESHOLD) { ath_dbg(ath9k_hw_common(sc->sc_ah), BTCOEX, "BT priority traffic detected\n"); - sc->sc_flags |= SC_OP_BT_PRIORITY_DETECTED; + set_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags); } btcoex->bt_priority_cnt = 0; @@ -196,7 +197,7 @@ static void ath_btcoex_period_timer(unsigned long data) ath9k_ps_wakeup(sc); if (!(ah->caps.hw_caps & ATH9K_HW_CAP_MCI)) ath_detect_bt_priority(sc); - is_btscan = sc->sc_flags & SC_OP_BT_SCAN; + is_btscan = test_bit(BT_OP_SCAN, &btcoex->op_flags); spin_lock_bh(&btcoex->btcoex_lock); @@ -219,8 +220,7 @@ static void ath_btcoex_period_timer(unsigned long data) ath9k_ps_restore(sc); timer_period = btcoex->btcoex_period / 1000; - mod_timer(&btcoex->period_timer, jiffies + - msecs_to_jiffies(timer_period)); + mod_timer(&btcoex->period_timer, jiffies + msecs_to_jiffies(timer_period)); } /* @@ -233,14 +233,14 @@ static void ath_btcoex_no_stomp_timer(void *arg) struct ath_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; struct ath_common *common = ath9k_hw_common(ah); - bool is_btscan = sc->sc_flags & SC_OP_BT_SCAN; ath_dbg(common, BTCOEX, "no stomp timer running\n"); ath9k_ps_wakeup(sc); spin_lock_bh(&btcoex->btcoex_lock); - if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || is_btscan) + if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_LOW || + test_bit(BT_OP_SCAN, &btcoex->op_flags)) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_NONE); else if (btcoex->bt_stomp_type == ATH_BTCOEX_STOMP_ALL) ath9k_hw_btcoex_bt_stomp(ah, ATH_BTCOEX_STOMP_LOW); @@ -292,7 +292,7 @@ void ath9k_btcoex_timer_resume(struct ath_softc *sc) btcoex->bt_priority_cnt = 0; btcoex->bt_priority_time = jiffies; - sc->sc_flags &= ~(SC_OP_BT_PRIORITY_DETECTED | SC_OP_BT_SCAN); + btcoex->op_flags &= ~(BT_OP_PRIORITY_DETECTED | BT_OP_SCAN); mod_timer(&btcoex->period_timer, jiffies); } @@ -316,12 +316,13 @@ void ath9k_btcoex_timer_pause(struct ath_softc *sc) u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) { + struct ath_btcoex *btcoex = &sc->btcoex; struct ath_mci_profile *mci = &sc->btcoex.mci; u16 aggr_limit = 0; if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_MCI) && mci->aggr_limit) aggr_limit = (max_4ms_framelen * mci->aggr_limit) >> 4; - else if (sc->sc_flags & SC_OP_BT_PRIORITY_DETECTED) + else if (test_bit(BT_OP_PRIORITY_DETECTED, &btcoex->op_flags)) aggr_limit = min((max_4ms_framelen * 3) / 8, (u32)ATH_AMPDU_LIMIT_MAX); From 5d294a168012ec9a5258efae0a1282e94691a5d4 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:03 +0530 Subject: [PATCH 185/241] ath9k_hw: update ar9462 initval table to fix rx The wrong ADC sample phase that happen between awake and network/full sleep will lead to improper rx noisefloor calibration. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h index 1d6658e139b5..a10ece0cb6cd 100644 --- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h @@ -958,7 +958,7 @@ static const u32 ar9462_2p0_radio_core[][2] = { {0x0001604c, 0x2699e04f}, {0x00016050, 0x6db6db6c}, {0x00016058, 0x6c200000}, - {0x00016080, 0x00040000}, + {0x00016080, 0x000c0000}, {0x00016084, 0x9a68048c}, {0x00016088, 0x54214514}, {0x0001608c, 0x1203040b}, @@ -981,7 +981,7 @@ static const u32 ar9462_2p0_radio_core[][2] = { {0x00016144, 0x02084080}, {0x00016148, 0x000080c0}, {0x00016280, 0x050a0001}, - {0x00016284, 0x3d841400}, + {0x00016284, 0x3d841418}, {0x00016288, 0x00000000}, {0x0001628c, 0xe3000000}, {0x00016290, 0xa1005080}, From 4f6bd1a8dfcc649912310777a44c49849ae2a63d Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:08 +0530 Subject: [PATCH 186/241] ath9k: cleanup MCI indentation Fix bad indentation & if nesting to lose about two levels of unnecessary indentation. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 435 ++++++++++---------- 1 file changed, 215 insertions(+), 220 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index b501bf143437..854dff66a63f 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -35,31 +35,30 @@ static int ar9003_mci_wait_for_interrupt(struct ath_hw *ah, u32 address, struct ath_common *common = ath9k_hw_common(ah); while (time_out) { - if (REG_READ(ah, address) & bit_position) { - REG_WRITE(ah, address, bit_position); - - if (address == AR_MCI_INTERRUPT_RX_MSG_RAW) { - if (bit_position & - AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE) - ar9003_mci_reset_req_wakeup(ah); - - if (bit_position & - (AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING | - AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING)) - REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, - AR_MCI_INTERRUPT_REMOTE_SLEEP_UPDATE); - - REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, - AR_MCI_INTERRUPT_RX_MSG); - } - break; - } + if (!(REG_READ(ah, address) & bit_position)) { + udelay(10); + time_out -= 10; - udelay(10); - time_out -= 10; + if (time_out < 0) + break; + else + continue; + } + REG_WRITE(ah, address, bit_position); - if (time_out < 0) + if (address != AR_MCI_INTERRUPT_RX_MSG_RAW) break; + + if (bit_position & AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE) + ar9003_mci_reset_req_wakeup(ah); + + if (bit_position & (AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING | + AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING)) + REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, + AR_MCI_INTERRUPT_REMOTE_SLEEP_UPDATE); + + REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, AR_MCI_INTERRUPT_RX_MSG); + break; } if (time_out <= 0) { @@ -127,14 +126,13 @@ static void ar9003_mci_send_coex_version_query(struct ath_hw *ah, struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 payload[4] = {0, 0, 0, 0}; - if (!mci->bt_version_known && - (mci->bt_state != MCI_BT_SLEEP)) { - MCI_GPM_SET_TYPE_OPCODE(payload, - MCI_GPM_COEX_AGENT, - MCI_GPM_COEX_VERSION_QUERY); - ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, - wait_done, true); - } + if (mci->bt_version_known || + (mci->bt_state == MCI_BT_SLEEP)) + return; + + MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT, + MCI_GPM_COEX_VERSION_QUERY); + ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, wait_done, true); } static void ar9003_mci_send_coex_version_response(struct ath_hw *ah, @@ -158,15 +156,14 @@ static void ar9003_mci_send_coex_wlan_channels(struct ath_hw *ah, struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 *payload = &mci->wlan_channels[0]; - if ((mci->wlan_channels_update == true) && - (mci->bt_state != MCI_BT_SLEEP)) { - MCI_GPM_SET_TYPE_OPCODE(payload, - MCI_GPM_COEX_AGENT, - MCI_GPM_COEX_WLAN_CHANNELS); - ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, - wait_done, true); - MCI_GPM_SET_TYPE_OPCODE(payload, 0xff, 0xff); - } + if (!mci->wlan_channels_update || + (mci->bt_state == MCI_BT_SLEEP)) + return; + + MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT, + MCI_GPM_COEX_WLAN_CHANNELS); + ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, wait_done, true); + MCI_GPM_SET_TYPE_OPCODE(payload, 0xff, 0xff); } static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah, @@ -174,29 +171,30 @@ static void ar9003_mci_send_coex_bt_status_query(struct ath_hw *ah, { struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 payload[4] = {0, 0, 0, 0}; - bool query_btinfo = !!(query_type & (MCI_GPM_COEX_QUERY_BT_ALL_INFO | - MCI_GPM_COEX_QUERY_BT_TOPOLOGY)); + bool query_btinfo; - if (mci->bt_state != MCI_BT_SLEEP) { - - MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT, - MCI_GPM_COEX_STATUS_QUERY); + if (mci->bt_state == MCI_BT_SLEEP) + return; - *(((u8 *)payload) + MCI_GPM_COEX_B_BT_BITMAP) = query_type; + query_btinfo = !!(query_type & (MCI_GPM_COEX_QUERY_BT_ALL_INFO | + MCI_GPM_COEX_QUERY_BT_TOPOLOGY)); + MCI_GPM_SET_TYPE_OPCODE(payload, MCI_GPM_COEX_AGENT, + MCI_GPM_COEX_STATUS_QUERY); - /* - * If bt_status_query message is not sent successfully, - * then need_flush_btinfo should be set again. - */ - if (!ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, - wait_done, true)) { - if (query_btinfo) - mci->need_flush_btinfo = true; - } + *(((u8 *)payload) + MCI_GPM_COEX_B_BT_BITMAP) = query_type; + /* + * If bt_status_query message is not sent successfully, + * then need_flush_btinfo should be set again. + */ + if (!ar9003_mci_send_message(ah, MCI_GPM, 0, payload, 16, + wait_done, true)) { if (query_btinfo) - mci->query_bt = false; + mci->need_flush_btinfo = true; } + + if (query_btinfo) + mci->query_bt = false; } static void ar9003_mci_send_coex_halt_bt_gpm(struct ath_hw *ah, bool halt, @@ -241,73 +239,73 @@ static void ar9003_mci_prep_interface(struct ath_hw *ah) ar9003_mci_remote_reset(ah, true); ar9003_mci_send_req_wake(ah, true); - if (ar9003_mci_wait_for_interrupt(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, - AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING, 500)) { + if (!ar9003_mci_wait_for_interrupt(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, + AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING, 500)) + goto clear_redunt; - mci->bt_state = MCI_BT_AWAKE; + mci->bt_state = MCI_BT_AWAKE; - /* - * we don't need to send more remote_reset at this moment. - * If BT receive first remote_reset, then BT HW will - * be cleaned up and will be able to receive req_wake - * and BT HW will respond sys_waking. - * In this case, WLAN will receive BT's HW sys_waking. - * Otherwise, if BT SW missed initial remote_reset, - * that remote_reset will still clean up BT MCI RX, - * and the req_wake will wake BT up, - * and BT SW will respond this req_wake with a remote_reset and - * sys_waking. In this case, WLAN will receive BT's SW - * sys_waking. In either case, BT's RX is cleaned up. So we - * don't need to reply BT's remote_reset now, if any. - * Similarly, if in any case, WLAN can receive BT's sys_waking, - * that means WLAN's RX is also fine. - */ - ar9003_mci_send_sys_waking(ah, true); - udelay(10); + /* + * we don't need to send more remote_reset at this moment. + * If BT receive first remote_reset, then BT HW will + * be cleaned up and will be able to receive req_wake + * and BT HW will respond sys_waking. + * In this case, WLAN will receive BT's HW sys_waking. + * Otherwise, if BT SW missed initial remote_reset, + * that remote_reset will still clean up BT MCI RX, + * and the req_wake will wake BT up, + * and BT SW will respond this req_wake with a remote_reset and + * sys_waking. In this case, WLAN will receive BT's SW + * sys_waking. In either case, BT's RX is cleaned up. So we + * don't need to reply BT's remote_reset now, if any. + * Similarly, if in any case, WLAN can receive BT's sys_waking, + * that means WLAN's RX is also fine. + */ + ar9003_mci_send_sys_waking(ah, true); + udelay(10); - /* - * Set BT priority interrupt value to be 0xff to - * avoid having too many BT PRIORITY interrupts. - */ - REG_WRITE(ah, AR_MCI_BT_PRI0, 0xFFFFFFFF); - REG_WRITE(ah, AR_MCI_BT_PRI1, 0xFFFFFFFF); - REG_WRITE(ah, AR_MCI_BT_PRI2, 0xFFFFFFFF); - REG_WRITE(ah, AR_MCI_BT_PRI3, 0xFFFFFFFF); - REG_WRITE(ah, AR_MCI_BT_PRI, 0X000000FF); + /* + * Set BT priority interrupt value to be 0xff to + * avoid having too many BT PRIORITY interrupts. + */ + REG_WRITE(ah, AR_MCI_BT_PRI0, 0xFFFFFFFF); + REG_WRITE(ah, AR_MCI_BT_PRI1, 0xFFFFFFFF); + REG_WRITE(ah, AR_MCI_BT_PRI2, 0xFFFFFFFF); + REG_WRITE(ah, AR_MCI_BT_PRI3, 0xFFFFFFFF); + REG_WRITE(ah, AR_MCI_BT_PRI, 0X000000FF); - /* - * A contention reset will be received after send out - * sys_waking. Also BT priority interrupt bits will be set. - * Clear those bits before the next step. - */ + /* + * A contention reset will be received after send out + * sys_waking. Also BT priority interrupt bits will be set. + * Clear those bits before the next step. + */ - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, - AR_MCI_INTERRUPT_RX_MSG_CONT_RST); - REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, - AR_MCI_INTERRUPT_BT_PRI); + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, + AR_MCI_INTERRUPT_RX_MSG_CONT_RST); + REG_WRITE(ah, AR_MCI_INTERRUPT_RAW, AR_MCI_INTERRUPT_BT_PRI); - if (mci->is_2g) { - ar9003_mci_send_lna_transfer(ah, true); - udelay(5); - } + if (mci->is_2g) { + ar9003_mci_send_lna_transfer(ah, true); + udelay(5); + } - if ((mci->is_2g && !mci->update_2g5g)) { - if (ar9003_mci_wait_for_interrupt(ah, - AR_MCI_INTERRUPT_RX_MSG_RAW, - AR_MCI_INTERRUPT_RX_MSG_LNA_INFO, - mci_timeout)) - ath_dbg(common, MCI, - "MCI WLAN has control over the LNA & BT obeys it\n"); - else - ath_dbg(common, MCI, - "MCI BT didn't respond to LNA_TRANS\n"); - } + if ((mci->is_2g && !mci->update_2g5g)) { + if (ar9003_mci_wait_for_interrupt(ah, + AR_MCI_INTERRUPT_RX_MSG_RAW, + AR_MCI_INTERRUPT_RX_MSG_LNA_INFO, + mci_timeout)) + ath_dbg(common, MCI, + "MCI WLAN has control over the LNA & BT obeys it\n"); + else + ath_dbg(common, MCI, + "MCI BT didn't respond to LNA_TRANS\n"); } +clear_redunt: /* Clear the extra redundant SYS_WAKING from BT */ if ((mci->bt_state == MCI_BT_AWAKE) && - (REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, - AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING)) && + (REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, + AR_MCI_INTERRUPT_RX_MSG_SYS_WAKING)) && (REG_READ_FIELD(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, AR_MCI_INTERRUPT_RX_MSG_SYS_SLEEPING) == 0)) { REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, @@ -614,9 +612,9 @@ static u32 ar9003_mci_wait_for_gpm(struct ath_hw *ah, u8 gpm_type, } break; } - } else if ((recv_type == gpm_type) && (recv_opcode == gpm_opcode)) { + } else if ((recv_type == gpm_type) && + (recv_opcode == gpm_opcode)) break; - } /* * check if it's cal_grant @@ -730,38 +728,38 @@ int ar9003_mci_end_reset(struct ath_hw *ah, struct ath9k_channel *chan, if (!IS_CHAN_2GHZ(chan) || (mci_hw->bt_state != MCI_BT_SLEEP)) goto exit; - if (ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET) || - ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE)) { + if (!ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET) && + !ar9003_mci_check_int(ah, AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE)) + goto exit; - /* - * BT is sleeping. Check if BT wakes up during - * WLAN calibration. If BT wakes up during - * WLAN calibration, need to go through all - * message exchanges again and recal. - */ - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, - AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET | - AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE); + /* + * BT is sleeping. Check if BT wakes up during + * WLAN calibration. If BT wakes up during + * WLAN calibration, need to go through all + * message exchanges again and recal. + */ + REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_RAW, + (AR_MCI_INTERRUPT_RX_MSG_REMOTE_RESET | + AR_MCI_INTERRUPT_RX_MSG_REQ_WAKE)); - ar9003_mci_remote_reset(ah, true); - ar9003_mci_send_sys_waking(ah, true); - udelay(1); + ar9003_mci_remote_reset(ah, true); + ar9003_mci_send_sys_waking(ah, true); + udelay(1); - if (IS_CHAN_2GHZ(chan)) - ar9003_mci_send_lna_transfer(ah, true); + if (IS_CHAN_2GHZ(chan)) + ar9003_mci_send_lna_transfer(ah, true); - mci_hw->bt_state = MCI_BT_AWAKE; + mci_hw->bt_state = MCI_BT_AWAKE; - if (caldata) { - caldata->done_txiqcal_once = false; - caldata->done_txclcal_once = false; - caldata->rtt_done = false; - } + if (caldata) { + caldata->done_txiqcal_once = false; + caldata->done_txclcal_once = false; + caldata->rtt_done = false; + } - if (!ath9k_hw_init_cal(ah, chan)) - return -EIO; + if (!ath9k_hw_init_cal(ah, chan)) + return -EIO; - } exit: ar9003_mci_enable_interrupt(ah); return 0; @@ -797,29 +795,27 @@ static void ar9003_mci_osla_setup(struct ath_hw *ah, bool enable) struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 thresh; - if (enable) { - REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2, - AR_MCI_SCHD_TABLE_2_HW_BASED, 1); - REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2, - AR_MCI_SCHD_TABLE_2_MEM_BASED, 1); - - if (!(mci->config & ATH_MCI_CONFIG_DISABLE_AGGR_THRESH)) { - thresh = MS(mci->config, ATH_MCI_CONFIG_AGGR_THRESH); - REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, - AR_BTCOEX_CTRL_AGGR_THRESH, thresh); - REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, - AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 1); - } else { - REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, - AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 0); - } - - REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, - AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN, 1); - } else { + if (!enable) { REG_CLR_BIT(ah, AR_BTCOEX_CTRL, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN); + return; } + REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2, AR_MCI_SCHD_TABLE_2_HW_BASED, 1); + REG_RMW_FIELD(ah, AR_MCI_SCHD_TABLE_2, + AR_MCI_SCHD_TABLE_2_MEM_BASED, 1); + + if (!(mci->config & ATH_MCI_CONFIG_DISABLE_AGGR_THRESH)) { + thresh = MS(mci->config, ATH_MCI_CONFIG_AGGR_THRESH); + REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, + AR_BTCOEX_CTRL_AGGR_THRESH, thresh); + REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, + AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 1); + } else + REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, + AR_BTCOEX_CTRL_TIME_TO_NEXT_BT_THRESH_EN, 0); + + REG_RMW_FIELD(ah, AR_BTCOEX_CTRL, + AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN, 1); } void ar9003_mci_reset(struct ath_hw *ah, bool en_int, bool is_2g, @@ -942,26 +938,27 @@ static void ar9003_mci_send_2g5g_status(struct ath_hw *ah, bool wait_done) struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; u32 new_flags, to_set, to_clear; - if (mci->update_2g5g && (mci->bt_state != MCI_BT_SLEEP)) { - if (mci->is_2g) { - new_flags = MCI_2G_FLAGS; - to_clear = MCI_2G_FLAGS_CLEAR_MASK; - to_set = MCI_2G_FLAGS_SET_MASK; - } else { - new_flags = MCI_5G_FLAGS; - to_clear = MCI_5G_FLAGS_CLEAR_MASK; - to_set = MCI_5G_FLAGS_SET_MASK; - } + if (!mci->update_2g5g || (mci->bt_state == MCI_BT_SLEEP)) + return; - if (to_clear) - ar9003_mci_send_coex_bt_flags(ah, wait_done, + if (mci->is_2g) { + new_flags = MCI_2G_FLAGS; + to_clear = MCI_2G_FLAGS_CLEAR_MASK; + to_set = MCI_2G_FLAGS_SET_MASK; + } else { + new_flags = MCI_5G_FLAGS; + to_clear = MCI_5G_FLAGS_CLEAR_MASK; + to_set = MCI_5G_FLAGS_SET_MASK; + } + + if (to_clear) + ar9003_mci_send_coex_bt_flags(ah, wait_done, MCI_GPM_COEX_BT_FLAGS_CLEAR, to_clear); - if (to_set) - ar9003_mci_send_coex_bt_flags(ah, wait_done, + if (to_set) + ar9003_mci_send_coex_bt_flags(ah, wait_done, MCI_GPM_COEX_BT_FLAGS_SET, to_set); - } } static void ar9003_mci_queue_unsent_gpm(struct ath_hw *ah, u8 header, @@ -1017,34 +1014,34 @@ void ar9003_mci_2g5g_switch(struct ath_hw *ah, bool wait_done) { struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; - if (mci->update_2g5g) { - if (mci->is_2g) { - ar9003_mci_send_2g5g_status(ah, true); - ar9003_mci_send_lna_transfer(ah, true); - udelay(5); + if (!mci->update_2g5g) + return; - REG_CLR_BIT(ah, AR_MCI_TX_CTRL, - AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE); - REG_CLR_BIT(ah, AR_PHY_GLB_CONTROL, - AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL); + if (mci->is_2g) { + ar9003_mci_send_2g5g_status(ah, true); + ar9003_mci_send_lna_transfer(ah, true); + udelay(5); - if (!(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA)) { - REG_SET_BIT(ah, AR_BTCOEX_CTRL, - AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN); - } - } else { - ar9003_mci_send_lna_take(ah, true); - udelay(5); - - REG_SET_BIT(ah, AR_MCI_TX_CTRL, - AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE); - REG_SET_BIT(ah, AR_PHY_GLB_CONTROL, - AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL); - REG_CLR_BIT(ah, AR_BTCOEX_CTRL, + REG_CLR_BIT(ah, AR_MCI_TX_CTRL, + AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE); + REG_CLR_BIT(ah, AR_PHY_GLB_CONTROL, + AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL); + + if (!(mci->config & ATH_MCI_CONFIG_DISABLE_OSLA)) + REG_SET_BIT(ah, AR_BTCOEX_CTRL, AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN); + } else { + ar9003_mci_send_lna_take(ah, true); + udelay(5); - ar9003_mci_send_2g5g_status(ah, true); - } + REG_SET_BIT(ah, AR_MCI_TX_CTRL, + AR_MCI_TX_CTRL_DISABLE_LNA_UPDATE); + REG_SET_BIT(ah, AR_PHY_GLB_CONTROL, + AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL); + REG_CLR_BIT(ah, AR_BTCOEX_CTRL, + AR_BTCOEX_CTRL_ONE_STEP_LOOK_AHEAD_EN); + + ar9003_mci_send_2g5g_status(ah, true); } } @@ -1258,12 +1255,12 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data) } if (p_data) *p_data = more_gpm; - } + } - if (value != MCI_GPM_INVALID) - value <<= 4; + if (value != MCI_GPM_INVALID) + value <<= 4; - break; + break; case MCI_STATE_LAST_SCHD_MSG_OFFSET: value = MS(REG_READ(ah, AR_MCI_RX_STATUS), AR_MCI_RX_LAST_SCHD_MSG_INDEX); @@ -1358,24 +1355,22 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data) ar9003_mci_send_coex_bt_status_query(ah, true, query_type); break; case MCI_STATE_NEED_FLUSH_BT_INFO: - /* - * btcoex_hw.mci.unhalt_bt_gpm means whether it's - * needed to send UNHALT message. It's set whenever - * there's a request to send HALT message. - * mci_halted_bt_gpm means whether HALT message is sent - * out successfully. - * - * Checking (mci_unhalt_bt_gpm == false) instead of - * checking (ah->mci_halted_bt_gpm == false) will make - * sure currently is in UNHALT-ed mode and BT can - * respond to status query. - */ - value = (!mci->unhalt_bt_gpm && - mci->need_flush_btinfo) ? 1 : 0; - if (p_data) - mci->need_flush_btinfo = - (*p_data != 0) ? true : false; - break; + /* + * btcoex_hw.mci.unhalt_bt_gpm means whether it's + * needed to send UNHALT message. It's set whenever + * there's a request to send HALT message. + * mci_halted_bt_gpm means whether HALT message is sent + * out successfully. + * + * Checking (mci_unhalt_bt_gpm == false) instead of + * checking (ah->mci_halted_bt_gpm == false) will make + * sure currently is in UNHALT-ed mode and BT can + * respond to status query. + */ + value = (!mci->unhalt_bt_gpm && mci->need_flush_btinfo) ? 1 : 0; + if (p_data) + mci->need_flush_btinfo = (*p_data != 0) ? true : false; + break; case MCI_STATE_RECOVER_RX: ar9003_mci_prep_interface(ah); mci->query_bt = true; From 4fb7175bbd6a32899617b96b0b73c2ad651dfd03 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:14 +0530 Subject: [PATCH 187/241] ath9k_hw: fix IQ calibration chain index The chain index to perform IQ calibration is counted to number of valid tx chains and then used for indexing chain specific registers. If the chainmask is set to 0x2 (i.e chain 1 only), still it accesses chain 0 registers for chain 1. So use real chain index instead sequential one. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_calib.c | 15 ++++++--------- 1 file changed, 6 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_calib.c b/drivers/net/wireless/ath/ath9k/ar9003_calib.c index f83a4a2e1da2..d7deb8c9f299 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_calib.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_calib.c @@ -653,7 +653,6 @@ static void ar9003_hw_detect_outlier(int *mp_coeff, int nmeasurement, } static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah, - u8 num_chains, struct coeff *coeff, bool is_reusable) { @@ -677,7 +676,9 @@ static void ar9003_hw_tx_iqcal_load_avg_2_passes(struct ath_hw *ah, } /* Load the average of 2 passes */ - for (i = 0; i < num_chains; i++) { + for (i = 0; i < AR9300_MAX_CHAINS; i++) { + if (!(ah->txchainmask & (1 << i))) + continue; nmeasurement = REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_STATUS_B0, AR_PHY_CALIBRATED_GAINS_0); @@ -767,16 +768,13 @@ static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah, bool is_reusable) }; struct coeff coeff; s32 iq_res[6]; - u8 num_chains = 0; int i, im, j; int nmeasurement; for (i = 0; i < AR9300_MAX_CHAINS; i++) { - if (ah->txchainmask & (1 << i)) - num_chains++; - } + if (!(ah->txchainmask & (1 << i))) + continue; - for (i = 0; i < num_chains; i++) { nmeasurement = REG_READ_FIELD(ah, AR_PHY_TX_IQCAL_STATUS_B0, AR_PHY_CALIBRATED_GAINS_0); @@ -839,8 +837,7 @@ static void ar9003_hw_tx_iq_cal_post_proc(struct ath_hw *ah, bool is_reusable) coeff.phs_coeff[i][im] -= 128; } } - ar9003_hw_tx_iqcal_load_avg_2_passes(ah, num_chains, - &coeff, is_reusable); + ar9003_hw_tx_iqcal_load_avg_2_passes(ah, &coeff, is_reusable); return; From 9dc08eceb7491331e81acde625e0d9c82aa86a16 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:20 +0530 Subject: [PATCH 188/241] ath9k_hw: program BT to control SPDT program BT to control SPDT everytime while loading switch table from eeprom. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_eeprom.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index f794828c08e2..2cdf82bdb11d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -3613,6 +3613,7 @@ static void ar9003_hw_ant_ctrl_apply(struct ath_hw *ah, bool is2ghz) value = ar9003_switch_com_spdt_get(ah, is2ghz); REG_RMW_FIELD(ah, AR_PHY_GLB_CONTROL, AR_SWITCH_TABLE_COM_SPDT_ALL, value); + REG_SET_BIT(ah, AR_PHY_GLB_CONTROL, AR_BTCOEX_CTRL_SPDT_ENABLE); } value = ar9003_hw_ant_ctrl_common_2_get(ah, is2ghz); From c8b6fbe1f1d38aa19882263d6b0c644269e94244 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:25 +0530 Subject: [PATCH 189/241] ath9k_hw: configure ar9462 switching regulator Enable WLAN and BT mode for switching regulator discontinuous orverride for AR9462 chips. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_phy.c | 4 ++++ drivers/net/wireless/ath/ath9k/hw.h | 1 - drivers/net/wireless/ath/ath9k/reg.h | 2 ++ 3 files changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.c b/drivers/net/wireless/ath/ath9k/ar9003_phy.c index 11abb972be1f..d6baf69cdc14 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.c @@ -676,6 +676,10 @@ static int ar9003_hw_process_ini(struct ath_hw *ah, if (chan->channel == 2484) ar9003_hw_prog_ini(ah, &ah->ini_japan2484, 1); + if (AR_SREV_9462(ah)) + REG_WRITE(ah, AR_GLB_SWREG_DISCONT_MODE, + AR_GLB_SWREG_DISCONT_EN_BT_WLAN); + ah->modes_index = modesIndex; ar9003_hw_override_ini(ah); ar9003_hw_set_channel_regs(ah, chan); diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index 3740aab864f4..03d590924c64 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -824,7 +824,6 @@ struct ath_hw { struct ar5416IniArray ini_japan2484; struct ar5416IniArray iniModes_9271_ANI_reg; struct ar5416IniArray ini_radio_post_sys2ant; - struct ar5416IniArray ini_BTCOEX_MAX_TXPWR; struct ar5416IniArray iniMac[ATH_INI_NUM_SPLIT]; struct ar5416IniArray iniBB[ATH_INI_NUM_SPLIT]; diff --git a/drivers/net/wireless/ath/ath9k/reg.h b/drivers/net/wireless/ath/ath9k/reg.h index 458f81b4a7cb..560d6effac7a 100644 --- a/drivers/net/wireless/ath/ath9k/reg.h +++ b/drivers/net/wireless/ath/ath9k/reg.h @@ -2211,5 +2211,7 @@ enum { #define AR_BTCOEX_CTRL3_CONT_INFO_TIMEOUT 0x00000fff #define AR_BTCOEX_CTRL3_CONT_INFO_TIMEOUT_S 0 +#define AR_GLB_SWREG_DISCONT_MODE 0x2002c +#define AR_GLB_SWREG_DISCONT_EN_BT_WLAN 0x3 #endif From 99922a45e96b22df387823ad5ecfe4dc26a96c9e Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:31 +0530 Subject: [PATCH 190/241] ath9k_hw: fix BT RF performance When software rfkill is triggered, before put the chip in reset state, give LNA and SPDT control to BT to make sure BT can have good RF performance. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 16 ++++++++++++++++ drivers/net/wireless/ath/ath9k/ar9003_mci.h | 1 + drivers/net/wireless/ath/ath9k/hw.c | 3 +++ 3 files changed, 20 insertions(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 854dff66a63f..8b09a8239c1c 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -1391,3 +1391,19 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data) return value; } EXPORT_SYMBOL(ar9003_mci_state); + +void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah) +{ + struct ath_common *common = ath9k_hw_common(ah); + struct ath9k_hw_mci *mci = &ah->btcoex_hw.mci; + + ath_dbg(common, MCI, "Give LNA and SPDT control to BT\n"); + + REG_SET_BIT(ah, AR_PHY_GLB_CONTROL, AR_BTCOEX_CTRL_BT_OWN_SPDT_CTRL); + mci->is_2g = false; + mci->update_2g5g = true; + ar9003_mci_send_2g5g_status(ah, true); + + /* Force another 2g5g update at next scanning */ + mci->update_2g5g = true; +} diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h index 652ab8c39e2b..f4a6a4450ba8 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h @@ -266,6 +266,7 @@ void ar9003_mci_setup(struct ath_hw *ah, u32 gpm_addr, void *gpm_buf, void ar9003_mci_cleanup(struct ath_hw *ah); void ar9003_mci_get_interrupt(struct ath_hw *ah, u32 *raw_intr, u32 *rx_msg_intr); +void ar9003_mci_bt_gain_ctrl(struct ath_hw *ah); /* * These functions are used by ath9k_hw. diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 9f0f5f74f17a..98478fd5d284 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2737,6 +2737,9 @@ EXPORT_SYMBOL(ath9k_hw_setrxfilter); bool ath9k_hw_phy_disable(struct ath_hw *ah) { + if (ath9k_hw_mci_is_enabled(ah)) + ar9003_mci_bt_gain_ctrl(ah); + if (!ath9k_hw_set_reset_reg(ah, ATH9K_RESET_WARM)) return false; From 0603143e47a34d0485a13fd7f46e56a97e687e34 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:36 +0530 Subject: [PATCH 191/241] ath9k: BT coex performance tuning for AR9462 Use smaller aggregation limit and increasing aggregation threshold for osla that could improve wlan performance when there is HID profile. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9003_mci.c | 3 -- drivers/net/wireless/ath/ath9k/ar9003_mci.h | 1 - drivers/net/wireless/ath/ath9k/mci.c | 54 +++++++++++++-------- 3 files changed, 35 insertions(+), 23 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.c b/drivers/net/wireless/ath/ath9k/ar9003_mci.c index 8b09a8239c1c..b1ced2a76da3 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.c @@ -1381,9 +1381,6 @@ u32 ar9003_mci_state(struct ath_hw *ah, u32 state_type, u32 *p_data) case MCI_STATE_NEED_FTP_STOMP: value = !(mci->config & ATH_MCI_CONFIG_DISABLE_FTP_STOMP); break; - case MCI_STATE_NEED_TUNING: - value = !(mci->config & ATH_MCI_CONFIG_DISABLE_TUNING); - break; default: break; } diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mci.h b/drivers/net/wireless/ath/ath9k/ar9003_mci.h index f4a6a4450ba8..10282e2bcdc9 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_mci.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_mci.h @@ -212,7 +212,6 @@ enum mci_state_type { MCI_STATE_SET_CONCUR_TX_PRI, MCI_STATE_RECOVER_RX, MCI_STATE_NEED_FTP_STOMP, - MCI_STATE_NEED_TUNING, MCI_STATE_DEBUG, MCI_STATE_MAX }; diff --git a/drivers/net/wireless/ath/ath9k/mci.c b/drivers/net/wireless/ath/ath9k/mci.c index 7b553f6a97b1..49137f477b05 100644 --- a/drivers/net/wireless/ath/ath9k/mci.c +++ b/drivers/net/wireless/ath/ath9k/mci.c @@ -116,42 +116,58 @@ static void ath_mci_update_scheme(struct ath_softc *sc) struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_btcoex *btcoex = &sc->btcoex; struct ath_mci_profile *mci = &btcoex->mci; + struct ath9k_hw_mci *mci_hw = &sc->sc_ah->btcoex_hw.mci; struct ath_mci_profile_info *info; u32 num_profile = NUM_PROF(mci); + if (mci_hw->config & ATH_MCI_CONFIG_DISABLE_TUNING) + goto skip_tuning; + if (num_profile == 1) { info = list_first_entry(&mci->info, struct ath_mci_profile_info, list); - if (mci->num_sco && info->T == 12) { - mci->aggr_limit = 8; + if (mci->num_sco) { + if (info->T == 12) + mci->aggr_limit = 8; + else if (info->T == 6) { + mci->aggr_limit = 6; + btcoex->duty_cycle = 30; + } ath_dbg(common, MCI, - "Single SCO, aggregation limit 2 ms\n"); - } else if ((info->type == MCI_GPM_COEX_PROFILE_BNEP) && - !info->master) { - btcoex->btcoex_period = 60; + "Single SCO, aggregation limit %d 1/4 ms\n", + mci->aggr_limit); + } else if (mci->num_pan || mci->num_other_acl) { + /* + * For single PAN/FTP profile, allocate 35% for BT + * to improve WLAN throughput. + */ + btcoex->duty_cycle = 35; + btcoex->btcoex_period = 53; ath_dbg(common, MCI, - "Single slave PAN/FTP, bt period 60 ms\n"); - } else if ((info->type == MCI_GPM_COEX_PROFILE_HID) && - (info->T > 0 && info->T < 50) && - (info->A > 1 || info->W > 1)) { + "Single PAN/FTP bt period %d ms dutycycle %d\n", + btcoex->duty_cycle, btcoex->btcoex_period); + } else if (mci->num_hid) { btcoex->duty_cycle = 30; - mci->aggr_limit = 8; + mci->aggr_limit = 6; ath_dbg(common, MCI, "Multiple attempt/timeout single HID " - "aggregation limit 2 ms dutycycle 30%%\n"); + "aggregation limit 1.5 ms dutycycle 30%%\n"); } - } else if ((num_profile == 2) && (mci->num_hid == 2)) { - btcoex->duty_cycle = 30; - mci->aggr_limit = 8; - ath_dbg(common, MCI, - "Two HIDs aggregation limit 2 ms dutycycle 30%%\n"); - } else if (num_profile > 3) { + } else if (num_profile == 2) { + if (mci->num_hid == 2) + btcoex->duty_cycle = 30; mci->aggr_limit = 6; ath_dbg(common, MCI, - "Three or more profiles aggregation limit 1.5 ms\n"); + "Two BT profiles aggr limit 1.5 ms dutycycle %d%%\n", + btcoex->duty_cycle); + } else if (num_profile >= 3) { + mci->aggr_limit = 4; + ath_dbg(common, MCI, + "Three or more profiles aggregation limit 1 ms\n"); } +skip_tuning: if (IS_CHAN_2GHZ(sc->sc_ah->curchan)) { if (IS_CHAN_HT(sc->sc_ah->curchan)) ath_mci_adjust_aggr_limit(btcoex); From c9ae6ab4c7d7aa29f9607ac69daafbc241fc123e Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:41 +0530 Subject: [PATCH 192/241] ath: do not update cycle counters with sleep mode When the chip is waking up from sleep state, the cycle counters might have incorrect readings. So it is better not to update those readings with software counters. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index d739c8e6a012..623b04f63fe4 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -101,6 +101,7 @@ void ath9k_ps_wakeup(struct ath_softc *sc) spin_lock(&common->cc_lock); ath_hw_cycle_counters_update(common); memset(&common->cc_survey, 0, sizeof(common->cc_survey)); + memset(&common->cc_ani, 0, sizeof(common->cc_ani)); spin_unlock(&common->cc_lock); } From 153dccd467b818b1dd3a6801b14e94a7a48ef859 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:47 +0530 Subject: [PATCH 193/241] ath9k_hw: fix power state for MCI Program MCI related power registers only if MCI interrupts are enabled. This could help to reduce power consumptions when WLAN alone is enabled in BT coex chips. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/hw.c | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 98478fd5d284..45e670087e1c 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -2009,12 +2009,9 @@ static void ath9k_set_power_sleep(struct ath_hw *ah) REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); if (AR_SREV_9462(ah)) { - REG_WRITE(ah, AR_TIMER_MODE, - REG_READ(ah, AR_TIMER_MODE) & 0xFFFFFF00); - REG_WRITE(ah, AR_NDP2_TIMER_MODE, - REG_READ(ah, AR_NDP2_TIMER_MODE) & 0xFFFFFF00); - REG_WRITE(ah, AR_SLP32_INC, - REG_READ(ah, AR_SLP32_INC) & 0xFFF00000); + REG_CLR_BIT(ah, AR_TIMER_MODE, 0xff); + REG_CLR_BIT(ah, AR_NDP2_TIMER_MODE, 0xff); + REG_CLR_BIT(ah, AR_SLP32_INC, 0xfffff); /* xxx Required for WLAN only case ? */ REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, 0); udelay(100); @@ -2026,7 +2023,7 @@ static void ath9k_set_power_sleep(struct ath_hw *ah) */ REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (AR_SREV_9462(ah)) + if (ath9k_hw_mci_is_enabled(ah)) udelay(100); if (!AR_SREV_9100(ah) && !AR_SREV_9300_20_OR_LATER(ah)) @@ -2051,7 +2048,6 @@ static void ath9k_set_power_sleep(struct ath_hw *ah) static void ath9k_set_power_network_sleep(struct ath_hw *ah) { struct ath9k_hw_capabilities *pCap = &ah->caps; - u32 val; REG_SET_BIT(ah, AR_STA_ID1, AR_STA_ID1_PWR_SAV); @@ -2070,19 +2066,16 @@ static void ath9k_set_power_network_sleep(struct ath_hw *ah) * SYS_WAKING and SYS_SLEEPING messages which will make * BT CPU to busy to process. */ - if (AR_SREV_9462(ah)) { - val = REG_READ(ah, AR_MCI_INTERRUPT_RX_MSG_EN) & - ~AR_MCI_INTERRUPT_RX_HW_MSG_MASK; - REG_WRITE(ah, AR_MCI_INTERRUPT_RX_MSG_EN, val); - } + if (ath9k_hw_mci_is_enabled(ah)) + REG_CLR_BIT(ah, AR_MCI_INTERRUPT_RX_MSG_EN, + AR_MCI_INTERRUPT_RX_HW_MSG_MASK); /* * Clear the RTC force wake bit to allow the * mac to go to sleep. */ - REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, - AR_RTC_FORCE_WAKE_EN); + REG_CLR_BIT(ah, AR_RTC_FORCE_WAKE, AR_RTC_FORCE_WAKE_EN); - if (AR_SREV_9462(ah)) + if (ath9k_hw_mci_is_enabled(ah)) udelay(30); } From 6995fb805ed5de852a7d49413730980bc7173e82 Mon Sep 17 00:00:00 2001 From: Rajkumar Manoharan Date: Mon, 4 Jun 2012 16:28:52 +0530 Subject: [PATCH 194/241] ath9k: improve BT FTP/PAN performance When BT FTP/PAN transmits while WLAN is idle, the one of 9462 chain often picks up BT's tx signal and starts receiving. If the current weight is set to be higher than BT tx, BT tx will be aborted and this also degrades BT performance. Hence lower WLAN rx priority in this case only when there are no WLAN traffic. Signed-off-by: Rajkumar Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 2 ++ drivers/net/wireless/ath/ath9k/btcoex.c | 10 ++++++++-- drivers/net/wireless/ath/ath9k/btcoex.h | 4 ++++ drivers/net/wireless/ath/ath9k/gpio.c | 13 +++++++++++++ drivers/net/wireless/ath/ath9k/recv.c | 1 + 5 files changed, 28 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index ee946b8fe00c..ce10d1a9e493 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -307,6 +307,7 @@ struct ath_rx { u8 defant; u8 rxotherant; u32 *rxlink; + u32 num_pkts; unsigned int rxfilter; spinlock_t rxbuflock; struct list_head rxbuf; @@ -458,6 +459,7 @@ struct ath_btcoex { u32 btcoex_period; /* in usec */ u32 btscan_no_stomp; /* in usec */ u32 duty_cycle; + u32 bt_wait_time; struct ath_gen_timer *no_stomp_timer; /* Timer for no BT stomping */ struct ath_mci_profile mci; }; diff --git a/drivers/net/wireless/ath/ath9k/btcoex.c b/drivers/net/wireless/ath/ath9k/btcoex.c index 1ca6da80d4ad..acd437384fe4 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.c +++ b/drivers/net/wireless/ath/ath9k/btcoex.c @@ -336,10 +336,16 @@ static void ar9003_btcoex_bt_stomp(struct ath_hw *ah, enum ath_stomp_type stomp_type) { struct ath_btcoex_hw *btcoex = &ah->btcoex_hw; - const u32 *weight = AR_SREV_9462(ah) ? ar9003_wlan_weights[stomp_type] : - ar9462_wlan_weights[stomp_type]; + const u32 *weight = ar9003_wlan_weights[stomp_type]; int i; + if (AR_SREV_9462(ah)) { + if ((stomp_type == ATH_BTCOEX_STOMP_LOW) && + btcoex->mci.stomp_ftp) + stomp_type = ATH_BTCOEX_STOMP_LOW_FTP; + weight = ar9462_wlan_weights[stomp_type]; + } + for (i = 0; i < AR9300_NUM_WLAN_WEIGHTS; i++) { btcoex->bt_weight[i] = AR9300_BT_WGHT; btcoex->wlan_weight[i] = weight[i]; diff --git a/drivers/net/wireless/ath/ath9k/btcoex.h b/drivers/net/wireless/ath/ath9k/btcoex.h index 3a1e1cfabd5e..20092f98658f 100644 --- a/drivers/net/wireless/ath/ath9k/btcoex.h +++ b/drivers/net/wireless/ath/ath9k/btcoex.h @@ -36,6 +36,9 @@ #define ATH_BT_CNT_THRESHOLD 3 #define ATH_BT_CNT_SCAN_THRESHOLD 15 +#define ATH_BTCOEX_RX_WAIT_TIME 100 +#define ATH_BTCOEX_STOMP_FTP_THRESH 5 + #define AR9300_NUM_BT_WEIGHTS 4 #define AR9300_NUM_WLAN_WEIGHTS 4 /* Defines the BT AR_BT_COEX_WGHT used */ @@ -80,6 +83,7 @@ struct ath9k_hw_mci { u8 bt_ver_major; u8 bt_ver_minor; u8 bt_state; + u8 stomp_ftp; }; struct ath_btcoex_hw { diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index 9397a6d2ed5d..af6d27350291 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -191,6 +191,7 @@ static void ath_btcoex_period_timer(unsigned long data) struct ath_softc *sc = (struct ath_softc *) data; struct ath_hw *ah = sc->sc_ah; struct ath_btcoex *btcoex = &sc->btcoex; + struct ath_mci_profile *mci = &btcoex->mci; u32 timer_period; bool is_btscan; @@ -199,6 +200,18 @@ static void ath_btcoex_period_timer(unsigned long data) ath_detect_bt_priority(sc); is_btscan = test_bit(BT_OP_SCAN, &btcoex->op_flags); + btcoex->bt_wait_time += btcoex->btcoex_period; + if (btcoex->bt_wait_time > ATH_BTCOEX_RX_WAIT_TIME) { + if (ar9003_mci_state(ah, MCI_STATE_NEED_FTP_STOMP, NULL) && + (mci->num_pan || mci->num_other_acl)) + ah->btcoex_hw.mci.stomp_ftp = + (sc->rx.num_pkts < ATH_BTCOEX_STOMP_FTP_THRESH); + else + ah->btcoex_hw.mci.stomp_ftp = false; + btcoex->bt_wait_time = 0; + sc->rx.num_pkts = 0; + } + spin_lock_bh(&btcoex->btcoex_lock); ath9k_hw_btcoex_bt_stomp(ah, is_btscan ? ATH_BTCOEX_STOMP_ALL : diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 18acdbcbb03f..611be4f934e7 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -1841,6 +1841,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) else rs.is_mybeacon = false; + sc->rx.num_pkts++; ath_debug_stat_rx(sc, &rs); /* From ef1b6cd9a1ba06a3daf9a03aa8f25d52d1f2c31a Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:23:37 +0530 Subject: [PATCH 195/241] ath9k: Group link monitoring logic Add link.c and move all the link/connection monitoring code to it. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/Makefile | 3 +- drivers/net/wireless/ath/ath9k/ath9k.h | 13 +- drivers/net/wireless/ath/ath9k/link.c | 497 ++++++++++++++++++++++++ drivers/net/wireless/ath/ath9k/main.c | 431 -------------------- drivers/net/wireless/ath/ath9k/xmit.c | 46 +-- 5 files changed, 511 insertions(+), 479 deletions(-) create mode 100644 drivers/net/wireless/ath/ath9k/link.c diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index 3f0b84723789..4d60fa84cbb4 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -3,7 +3,8 @@ ath9k-y += beacon.o \ init.o \ main.o \ recv.o \ - xmit.o + xmit.o \ + link.o ath9k-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += mci.o ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index ce10d1a9e493..d804416092ce 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -326,6 +326,9 @@ int ath_rx_init(struct ath_softc *sc, int nbufs); void ath_rx_cleanup(struct ath_softc *sc); int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp); struct ath_txq *ath_txq_setup(struct ath_softc *sc, int qtype, int subtype); +void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq); +void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq); +void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq); void ath_tx_cleanupq(struct ath_softc *sc, struct ath_txq *txq); bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx); void ath_draintxq(struct ath_softc *sc, @@ -415,9 +418,9 @@ int ath_beaconq_config(struct ath_softc *sc); void ath_set_beacon(struct ath_softc *sc); void ath9k_set_beaconing_status(struct ath_softc *sc, bool status); -/*******/ -/* ANI */ -/*******/ +/*******************/ +/* Link Monitoring */ +/*******************/ #define ATH_STA_SHORT_CALINTERVAL 1000 /* 1 second */ #define ATH_AP_SHORT_CALINTERVAL 100 /* 100 ms */ @@ -429,6 +432,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status); #define ATH_PAPRD_TIMEOUT 100 /* msecs */ +void ath_tx_complete_poll_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); void ath_hw_check(struct work_struct *work); void ath_hw_pll_work(struct work_struct *work); @@ -437,6 +441,8 @@ void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon); void ath_paprd_calibrate(struct work_struct *work); void ath_ani_calibrate(unsigned long data); void ath_start_ani(struct ath_common *common); +int ath_update_survey_stats(struct ath_softc *sc); +void ath_update_survey_nf(struct ath_softc *sc, int channel); /**********/ /* BTCOEX */ @@ -741,5 +747,4 @@ void ath9k_calculate_iter_data(struct ieee80211_hw *hw, struct ieee80211_vif *vif, struct ath9k_vif_iter_data *iter_data); - #endif /* ATH9K_H */ diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c new file mode 100644 index 000000000000..7368b9630b99 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -0,0 +1,497 @@ +/* + * Copyright (c) 2012 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ath9k.h" + +/* + * TX polling - checks if the TX engine is stuck somewhere + * and issues a chip reset if so. + */ +void ath_tx_complete_poll_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, + tx_complete_work.work); + struct ath_txq *txq; + int i; + bool needreset = false; +#ifdef CONFIG_ATH9K_DEBUGFS + sc->tx_complete_poll_work_seen++; +#endif + + for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) + if (ATH_TXQ_SETUP(sc, i)) { + txq = &sc->tx.txq[i]; + ath_txq_lock(sc, txq); + if (txq->axq_depth) { + if (txq->axq_tx_inprogress) { + needreset = true; + ath_txq_unlock(sc, txq); + break; + } else { + txq->axq_tx_inprogress = true; + } + } + ath_txq_unlock_complete(sc, txq); + } + + if (needreset) { + ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, + "tx hung, resetting the chip\n"); + RESET_STAT_INC(sc, RESET_TYPE_TX_HANG); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + } + + ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, + msecs_to_jiffies(ATH_TX_COMPLETE_POLL_INT)); +} + +/* + * Checks if the BB/MAC is hung. + */ +void ath_hw_check(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + unsigned long flags; + int busy; + u8 is_alive, nbeacon = 1; + + ath9k_ps_wakeup(sc); + is_alive = ath9k_hw_check_alive(sc->sc_ah); + + if (is_alive && !AR_SREV_9300(sc->sc_ah)) + goto out; + else if (!is_alive && AR_SREV_9300(sc->sc_ah)) { + ath_dbg(common, RESET, + "DCU stuck is detected. Schedule chip reset\n"); + RESET_STAT_INC(sc, RESET_TYPE_MAC_HANG); + goto sched_reset; + } + + spin_lock_irqsave(&common->cc_lock, flags); + busy = ath_update_survey_stats(sc); + spin_unlock_irqrestore(&common->cc_lock, flags); + + ath_dbg(common, RESET, "Possible baseband hang, busy=%d (try %d)\n", + busy, sc->hw_busy_count + 1); + if (busy >= 99) { + if (++sc->hw_busy_count >= 3) { + RESET_STAT_INC(sc, RESET_TYPE_BB_HANG); + goto sched_reset; + } + } else if (busy >= 0) { + sc->hw_busy_count = 0; + nbeacon = 3; + } + + ath_start_rx_poll(sc, nbeacon); + goto out; + +sched_reset: + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); +out: + ath9k_ps_restore(sc); +} + +/* + * PLL-WAR for AR9485. + */ +static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) +{ + static int count; + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + + if (pll_sqsum >= 0x40000) { + count++; + if (count == 3) { + /* Rx is hung for more than 500ms. Reset it */ + ath_dbg(common, RESET, "Possible RX hang, resetting\n"); + RESET_STAT_INC(sc, RESET_TYPE_PLL_HANG); + ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + count = 0; + } + } else + count = 0; +} + +void ath_hw_pll_work(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, + hw_pll_work.work); + u32 pll_sqsum; + + if (AR_SREV_9485(sc->sc_ah)) { + ath9k_ps_wakeup(sc); + pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); + ath9k_ps_restore(sc); + ath_hw_pll_rx_hang_check(sc, pll_sqsum); + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); + } +} + +/* + * RX Polling - monitors baseband hangs. + */ +void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon) +{ + if (!AR_SREV_9300(sc->sc_ah)) + return; + + if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) + return; + + mod_timer(&sc->rx_poll_timer, jiffies + msecs_to_jiffies + (nbeacon * sc->cur_beacon_conf.beacon_interval)); +} + +void ath_rx_poll(unsigned long data) +{ + struct ath_softc *sc = (struct ath_softc *)data; + + ieee80211_queue_work(sc->hw, &sc->hw_check_work); +} + +/* + * PA Pre-distortion. + */ +static void ath_paprd_activate(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath9k_hw_cal_data *caldata = ah->caldata; + int chain; + + if (!caldata || !caldata->paprd_done) + return; + + ath9k_ps_wakeup(sc); + ar9003_paprd_enable(ah, false); + for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { + if (!(ah->txchainmask & BIT(chain))) + continue; + + ar9003_paprd_populate_single_table(ah, caldata, chain); + } + + ar9003_paprd_enable(ah, true); + ath9k_ps_restore(sc); +} + +static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain) +{ + struct ieee80211_hw *hw = sc->hw; + struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + struct ath_tx_control txctl; + int time_left; + + memset(&txctl, 0, sizeof(txctl)); + txctl.txq = sc->tx.txq_map[WME_AC_BE]; + + memset(tx_info, 0, sizeof(*tx_info)); + tx_info->band = hw->conf.channel->band; + tx_info->flags |= IEEE80211_TX_CTL_NO_ACK; + tx_info->control.rates[0].idx = 0; + tx_info->control.rates[0].count = 1; + tx_info->control.rates[0].flags = IEEE80211_TX_RC_MCS; + tx_info->control.rates[1].idx = -1; + + init_completion(&sc->paprd_complete); + txctl.paprd = BIT(chain); + + if (ath_tx_start(hw, skb, &txctl) != 0) { + ath_dbg(common, CALIBRATE, "PAPRD TX failed\n"); + dev_kfree_skb_any(skb); + return false; + } + + time_left = wait_for_completion_timeout(&sc->paprd_complete, + msecs_to_jiffies(ATH_PAPRD_TIMEOUT)); + + if (!time_left) + ath_dbg(common, CALIBRATE, + "Timeout waiting for paprd training on TX chain %d\n", + chain); + + return !!time_left; +} + +void ath_paprd_calibrate(struct work_struct *work) +{ + struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work); + struct ieee80211_hw *hw = sc->hw; + struct ath_hw *ah = sc->sc_ah; + struct ieee80211_hdr *hdr; + struct sk_buff *skb = NULL; + struct ath9k_hw_cal_data *caldata = ah->caldata; + struct ath_common *common = ath9k_hw_common(ah); + int ftype; + int chain_ok = 0; + int chain; + int len = 1800; + + if (!caldata) + return; + + ath9k_ps_wakeup(sc); + + if (ar9003_paprd_init_table(ah) < 0) + goto fail_paprd; + + skb = alloc_skb(len, GFP_KERNEL); + if (!skb) + goto fail_paprd; + + skb_put(skb, len); + memset(skb->data, 0, len); + hdr = (struct ieee80211_hdr *)skb->data; + ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC; + hdr->frame_control = cpu_to_le16(ftype); + hdr->duration_id = cpu_to_le16(10); + memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN); + memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN); + memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN); + + for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { + if (!(ah->txchainmask & BIT(chain))) + continue; + + chain_ok = 0; + + ath_dbg(common, CALIBRATE, + "Sending PAPRD frame for thermal measurement on chain %d\n", + chain); + if (!ath_paprd_send_frame(sc, skb, chain)) + goto fail_paprd; + + ar9003_paprd_setup_gain_table(ah, chain); + + ath_dbg(common, CALIBRATE, + "Sending PAPRD training frame on chain %d\n", chain); + if (!ath_paprd_send_frame(sc, skb, chain)) + goto fail_paprd; + + if (!ar9003_paprd_is_done(ah)) { + ath_dbg(common, CALIBRATE, + "PAPRD not yet done on chain %d\n", chain); + break; + } + + if (ar9003_paprd_create_curve(ah, caldata, chain)) { + ath_dbg(common, CALIBRATE, + "PAPRD create curve failed on chain %d\n", + chain); + break; + } + + chain_ok = 1; + } + kfree_skb(skb); + + if (chain_ok) { + caldata->paprd_done = true; + ath_paprd_activate(sc); + } + +fail_paprd: + ath9k_ps_restore(sc); +} + +/* + * ANI performs periodic noise floor calibration + * that is used to adjust and optimize the chip performance. This + * takes environmental changes (location, temperature) into account. + * When the task is complete, it reschedules itself depending on the + * appropriate interval that was calculated. + */ +void ath_ani_calibrate(unsigned long data) +{ + struct ath_softc *sc = (struct ath_softc *)data; + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + bool longcal = false; + bool shortcal = false; + bool aniflag = false; + unsigned int timestamp = jiffies_to_msecs(jiffies); + u32 cal_interval, short_cal_interval, long_cal_interval; + unsigned long flags; + + if (ah->caldata && ah->caldata->nfcal_interference) + long_cal_interval = ATH_LONG_CALINTERVAL_INT; + else + long_cal_interval = ATH_LONG_CALINTERVAL; + + short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? + ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; + + /* Only calibrate if awake */ + if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) + goto set_timer; + + ath9k_ps_wakeup(sc); + + /* Long calibration runs independently of short calibration. */ + if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) { + longcal = true; + common->ani.longcal_timer = timestamp; + } + + /* Short calibration applies only while caldone is false */ + if (!common->ani.caldone) { + if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { + shortcal = true; + common->ani.shortcal_timer = timestamp; + common->ani.resetcal_timer = timestamp; + } + } else { + if ((timestamp - common->ani.resetcal_timer) >= + ATH_RESTART_CALINTERVAL) { + common->ani.caldone = ath9k_hw_reset_calvalid(ah); + if (common->ani.caldone) + common->ani.resetcal_timer = timestamp; + } + } + + /* Verify whether we must check ANI */ + if (sc->sc_ah->config.enable_ani + && (timestamp - common->ani.checkani_timer) >= + ah->config.ani_poll_interval) { + aniflag = true; + common->ani.checkani_timer = timestamp; + } + + /* Call ANI routine if necessary */ + if (aniflag) { + spin_lock_irqsave(&common->cc_lock, flags); + ath9k_hw_ani_monitor(ah, ah->curchan); + ath_update_survey_stats(sc); + spin_unlock_irqrestore(&common->cc_lock, flags); + } + + /* Perform calibration if necessary */ + if (longcal || shortcal) { + common->ani.caldone = + ath9k_hw_calibrate(ah, ah->curchan, + ah->rxchainmask, longcal); + } + + ath_dbg(common, ANI, + "Calibration @%lu finished: %s %s %s, caldone: %s\n", + jiffies, + longcal ? "long" : "", shortcal ? "short" : "", + aniflag ? "ani" : "", common->ani.caldone ? "true" : "false"); + + ath9k_ps_restore(sc); + +set_timer: + /* + * Set timer interval based on previous results. + * The interval must be the shortest necessary to satisfy ANI, + * short calibration and long calibration. + */ + ath9k_debug_samp_bb_mac(sc); + cal_interval = ATH_LONG_CALINTERVAL; + if (sc->sc_ah->config.enable_ani) + cal_interval = min(cal_interval, + (u32)ah->config.ani_poll_interval); + if (!common->ani.caldone) + cal_interval = min(cal_interval, (u32)short_cal_interval); + + mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); + if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) { + if (!ah->caldata->paprd_done) + ieee80211_queue_work(sc->hw, &sc->paprd_work); + else if (!ah->paprd_table_write_done) + ath_paprd_activate(sc); + } +} + +void ath_start_ani(struct ath_common *common) +{ + struct ath_hw *ah = common->ah; + unsigned long timestamp = jiffies_to_msecs(jiffies); + struct ath_softc *sc = (struct ath_softc *) common->priv; + + if (!(sc->sc_flags & SC_OP_ANI_RUN)) + return; + + if (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) + return; + + common->ani.longcal_timer = timestamp; + common->ani.shortcal_timer = timestamp; + common->ani.checkani_timer = timestamp; + + mod_timer(&common->ani.timer, + jiffies + msecs_to_jiffies((u32)ah->config.ani_poll_interval)); +} + +void ath_update_survey_nf(struct ath_softc *sc, int channel) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath9k_channel *chan = &ah->channels[channel]; + struct survey_info *survey = &sc->survey[channel]; + + if (chan->noisefloor) { + survey->filled |= SURVEY_INFO_NOISE_DBM; + survey->noise = ath9k_hw_getchan_noise(ah, chan); + } +} + +/* + * Updates the survey statistics and returns the busy time since last + * update in %, if the measurement duration was long enough for the + * result to be useful, -1 otherwise. + */ +int ath_update_survey_stats(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_common *common = ath9k_hw_common(ah); + int pos = ah->curchan - &ah->channels[0]; + struct survey_info *survey = &sc->survey[pos]; + struct ath_cycle_counters *cc = &common->cc_survey; + unsigned int div = common->clockrate * 1000; + int ret = 0; + + if (!ah->curchan) + return -1; + + if (ah->power_mode == ATH9K_PM_AWAKE) + ath_hw_cycle_counters_update(common); + + if (cc->cycles > 0) { + survey->filled |= SURVEY_INFO_CHANNEL_TIME | + SURVEY_INFO_CHANNEL_TIME_BUSY | + SURVEY_INFO_CHANNEL_TIME_RX | + SURVEY_INFO_CHANNEL_TIME_TX; + survey->channel_time += cc->cycles / div; + survey->channel_time_busy += cc->rx_busy / div; + survey->channel_time_rx += cc->rx_frame / div; + survey->channel_time_tx += cc->tx_frame / div; + } + + if (cc->cycles < div) + return -1; + + if (cc->cycles > 0) + ret = cc->rx_busy * 100 / cc->cycles; + + memset(cc, 0, sizeof(*cc)); + + ath_update_survey_nf(sc, pos); + + return ret; +} diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 623b04f63fe4..304769a3e179 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -144,84 +144,6 @@ void ath9k_ps_restore(struct ath_softc *sc) spin_unlock_irqrestore(&sc->sc_pm_lock, flags); } -void ath_start_ani(struct ath_common *common) -{ - struct ath_hw *ah = common->ah; - unsigned long timestamp = jiffies_to_msecs(jiffies); - struct ath_softc *sc = (struct ath_softc *) common->priv; - - if (!(sc->sc_flags & SC_OP_ANI_RUN)) - return; - - if (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) - return; - - common->ani.longcal_timer = timestamp; - common->ani.shortcal_timer = timestamp; - common->ani.checkani_timer = timestamp; - - mod_timer(&common->ani.timer, - jiffies + - msecs_to_jiffies((u32)ah->config.ani_poll_interval)); -} - -static void ath_update_survey_nf(struct ath_softc *sc, int channel) -{ - struct ath_hw *ah = sc->sc_ah; - struct ath9k_channel *chan = &ah->channels[channel]; - struct survey_info *survey = &sc->survey[channel]; - - if (chan->noisefloor) { - survey->filled |= SURVEY_INFO_NOISE_DBM; - survey->noise = ath9k_hw_getchan_noise(ah, chan); - } -} - -/* - * Updates the survey statistics and returns the busy time since last - * update in %, if the measurement duration was long enough for the - * result to be useful, -1 otherwise. - */ -static int ath_update_survey_stats(struct ath_softc *sc) -{ - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - int pos = ah->curchan - &ah->channels[0]; - struct survey_info *survey = &sc->survey[pos]; - struct ath_cycle_counters *cc = &common->cc_survey; - unsigned int div = common->clockrate * 1000; - int ret = 0; - - if (!ah->curchan) - return -1; - - if (ah->power_mode == ATH9K_PM_AWAKE) - ath_hw_cycle_counters_update(common); - - if (cc->cycles > 0) { - survey->filled |= SURVEY_INFO_CHANNEL_TIME | - SURVEY_INFO_CHANNEL_TIME_BUSY | - SURVEY_INFO_CHANNEL_TIME_RX | - SURVEY_INFO_CHANNEL_TIME_TX; - survey->channel_time += cc->cycles / div; - survey->channel_time_busy += cc->rx_busy / div; - survey->channel_time_rx += cc->rx_frame / div; - survey->channel_time_tx += cc->tx_frame / div; - } - - if (cc->cycles < div) - return -1; - - if (cc->cycles > 0) - ret = cc->rx_busy * 100 / cc->cycles; - - memset(cc, 0, sizeof(*cc)); - - ath_update_survey_nf(sc, pos); - - return ret; -} - static void __ath_cancel_work(struct ath_softc *sc) { cancel_work_sync(&sc->paprd_work); @@ -380,258 +302,6 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, return r; } -static void ath_paprd_activate(struct ath_softc *sc) -{ - struct ath_hw *ah = sc->sc_ah; - struct ath9k_hw_cal_data *caldata = ah->caldata; - int chain; - - if (!caldata || !caldata->paprd_done) - return; - - ath9k_ps_wakeup(sc); - ar9003_paprd_enable(ah, false); - for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { - if (!(ah->txchainmask & BIT(chain))) - continue; - - ar9003_paprd_populate_single_table(ah, caldata, chain); - } - - ar9003_paprd_enable(ah, true); - ath9k_ps_restore(sc); -} - -static bool ath_paprd_send_frame(struct ath_softc *sc, struct sk_buff *skb, int chain) -{ - struct ieee80211_hw *hw = sc->hw; - struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb); - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - struct ath_tx_control txctl; - int time_left; - - memset(&txctl, 0, sizeof(txctl)); - txctl.txq = sc->tx.txq_map[WME_AC_BE]; - - memset(tx_info, 0, sizeof(*tx_info)); - tx_info->band = hw->conf.channel->band; - tx_info->flags |= IEEE80211_TX_CTL_NO_ACK; - tx_info->control.rates[0].idx = 0; - tx_info->control.rates[0].count = 1; - tx_info->control.rates[0].flags = IEEE80211_TX_RC_MCS; - tx_info->control.rates[1].idx = -1; - - init_completion(&sc->paprd_complete); - txctl.paprd = BIT(chain); - - if (ath_tx_start(hw, skb, &txctl) != 0) { - ath_dbg(common, CALIBRATE, "PAPRD TX failed\n"); - dev_kfree_skb_any(skb); - return false; - } - - time_left = wait_for_completion_timeout(&sc->paprd_complete, - msecs_to_jiffies(ATH_PAPRD_TIMEOUT)); - - if (!time_left) - ath_dbg(common, CALIBRATE, - "Timeout waiting for paprd training on TX chain %d\n", - chain); - - return !!time_left; -} - -void ath_paprd_calibrate(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, paprd_work); - struct ieee80211_hw *hw = sc->hw; - struct ath_hw *ah = sc->sc_ah; - struct ieee80211_hdr *hdr; - struct sk_buff *skb = NULL; - struct ath9k_hw_cal_data *caldata = ah->caldata; - struct ath_common *common = ath9k_hw_common(ah); - int ftype; - int chain_ok = 0; - int chain; - int len = 1800; - - if (!caldata) - return; - - ath9k_ps_wakeup(sc); - - if (ar9003_paprd_init_table(ah) < 0) - goto fail_paprd; - - skb = alloc_skb(len, GFP_KERNEL); - if (!skb) - goto fail_paprd; - - skb_put(skb, len); - memset(skb->data, 0, len); - hdr = (struct ieee80211_hdr *)skb->data; - ftype = IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC; - hdr->frame_control = cpu_to_le16(ftype); - hdr->duration_id = cpu_to_le16(10); - memcpy(hdr->addr1, hw->wiphy->perm_addr, ETH_ALEN); - memcpy(hdr->addr2, hw->wiphy->perm_addr, ETH_ALEN); - memcpy(hdr->addr3, hw->wiphy->perm_addr, ETH_ALEN); - - for (chain = 0; chain < AR9300_MAX_CHAINS; chain++) { - if (!(ah->txchainmask & BIT(chain))) - continue; - - chain_ok = 0; - - ath_dbg(common, CALIBRATE, - "Sending PAPRD frame for thermal measurement on chain %d\n", - chain); - if (!ath_paprd_send_frame(sc, skb, chain)) - goto fail_paprd; - - ar9003_paprd_setup_gain_table(ah, chain); - - ath_dbg(common, CALIBRATE, - "Sending PAPRD training frame on chain %d\n", chain); - if (!ath_paprd_send_frame(sc, skb, chain)) - goto fail_paprd; - - if (!ar9003_paprd_is_done(ah)) { - ath_dbg(common, CALIBRATE, - "PAPRD not yet done on chain %d\n", chain); - break; - } - - if (ar9003_paprd_create_curve(ah, caldata, chain)) { - ath_dbg(common, CALIBRATE, - "PAPRD create curve failed on chain %d\n", - chain); - break; - } - - chain_ok = 1; - } - kfree_skb(skb); - - if (chain_ok) { - caldata->paprd_done = true; - ath_paprd_activate(sc); - } - -fail_paprd: - ath9k_ps_restore(sc); -} - -/* - * This routine performs the periodic noise floor calibration function - * that is used to adjust and optimize the chip performance. This - * takes environmental changes (location, temperature) into account. - * When the task is complete, it reschedules itself depending on the - * appropriate interval that was calculated. - */ -void ath_ani_calibrate(unsigned long data) -{ - struct ath_softc *sc = (struct ath_softc *)data; - struct ath_hw *ah = sc->sc_ah; - struct ath_common *common = ath9k_hw_common(ah); - bool longcal = false; - bool shortcal = false; - bool aniflag = false; - unsigned int timestamp = jiffies_to_msecs(jiffies); - u32 cal_interval, short_cal_interval, long_cal_interval; - unsigned long flags; - - if (ah->caldata && ah->caldata->nfcal_interference) - long_cal_interval = ATH_LONG_CALINTERVAL_INT; - else - long_cal_interval = ATH_LONG_CALINTERVAL; - - short_cal_interval = (ah->opmode == NL80211_IFTYPE_AP) ? - ATH_AP_SHORT_CALINTERVAL : ATH_STA_SHORT_CALINTERVAL; - - /* Only calibrate if awake */ - if (sc->sc_ah->power_mode != ATH9K_PM_AWAKE) - goto set_timer; - - ath9k_ps_wakeup(sc); - - /* Long calibration runs independently of short calibration. */ - if ((timestamp - common->ani.longcal_timer) >= long_cal_interval) { - longcal = true; - common->ani.longcal_timer = timestamp; - } - - /* Short calibration applies only while caldone is false */ - if (!common->ani.caldone) { - if ((timestamp - common->ani.shortcal_timer) >= short_cal_interval) { - shortcal = true; - common->ani.shortcal_timer = timestamp; - common->ani.resetcal_timer = timestamp; - } - } else { - if ((timestamp - common->ani.resetcal_timer) >= - ATH_RESTART_CALINTERVAL) { - common->ani.caldone = ath9k_hw_reset_calvalid(ah); - if (common->ani.caldone) - common->ani.resetcal_timer = timestamp; - } - } - - /* Verify whether we must check ANI */ - if (sc->sc_ah->config.enable_ani - && (timestamp - common->ani.checkani_timer) >= - ah->config.ani_poll_interval) { - aniflag = true; - common->ani.checkani_timer = timestamp; - } - - /* Call ANI routine if necessary */ - if (aniflag) { - spin_lock_irqsave(&common->cc_lock, flags); - ath9k_hw_ani_monitor(ah, ah->curchan); - ath_update_survey_stats(sc); - spin_unlock_irqrestore(&common->cc_lock, flags); - } - - /* Perform calibration if necessary */ - if (longcal || shortcal) { - common->ani.caldone = - ath9k_hw_calibrate(ah, ah->curchan, - ah->rxchainmask, longcal); - } - - ath_dbg(common, ANI, - "Calibration @%lu finished: %s %s %s, caldone: %s\n", - jiffies, - longcal ? "long" : "", shortcal ? "short" : "", - aniflag ? "ani" : "", common->ani.caldone ? "true" : "false"); - - ath9k_ps_restore(sc); - -set_timer: - /* - * Set timer interval based on previous results. - * The interval must be the shortest necessary to satisfy ANI, - * short calibration and long calibration. - */ - ath9k_debug_samp_bb_mac(sc); - cal_interval = ATH_LONG_CALINTERVAL; - if (sc->sc_ah->config.enable_ani) - cal_interval = min(cal_interval, - (u32)ah->config.ani_poll_interval); - if (!common->ani.caldone) - cal_interval = min(cal_interval, (u32)short_cal_interval); - - mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); - if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) { - if (!ah->caldata->paprd_done) - ieee80211_queue_work(sc->hw, &sc->paprd_work); - else if (!ah->paprd_table_write_done) - ath_paprd_activate(sc); - } -} - static void ath_node_attach(struct ath_softc *sc, struct ieee80211_sta *sta, struct ieee80211_vif *vif) { @@ -669,7 +339,6 @@ static void ath_node_detach(struct ath_softc *sc, struct ieee80211_sta *sta) ath_tx_node_cleanup(sc, an); } - void ath9k_tasklet(unsigned long data) { struct ath_softc *sc = (struct ath_softc *)data; @@ -903,87 +572,6 @@ void ath_reset_work(struct work_struct *work) ath_reset(sc, true); } -void ath_hw_check(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, hw_check_work); - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - unsigned long flags; - int busy; - u8 is_alive, nbeacon = 1; - - ath9k_ps_wakeup(sc); - is_alive = ath9k_hw_check_alive(sc->sc_ah); - - if (is_alive && !AR_SREV_9300(sc->sc_ah)) - goto out; - else if (!is_alive && AR_SREV_9300(sc->sc_ah)) { - ath_dbg(common, RESET, - "DCU stuck is detected. Schedule chip reset\n"); - RESET_STAT_INC(sc, RESET_TYPE_MAC_HANG); - goto sched_reset; - } - - spin_lock_irqsave(&common->cc_lock, flags); - busy = ath_update_survey_stats(sc); - spin_unlock_irqrestore(&common->cc_lock, flags); - - ath_dbg(common, RESET, "Possible baseband hang, busy=%d (try %d)\n", - busy, sc->hw_busy_count + 1); - if (busy >= 99) { - if (++sc->hw_busy_count >= 3) { - RESET_STAT_INC(sc, RESET_TYPE_BB_HANG); - goto sched_reset; - } - } else if (busy >= 0) { - sc->hw_busy_count = 0; - nbeacon = 3; - } - - ath_start_rx_poll(sc, nbeacon); - goto out; - -sched_reset: - ieee80211_queue_work(sc->hw, &sc->hw_reset_work); -out: - ath9k_ps_restore(sc); -} - -static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) -{ - static int count; - struct ath_common *common = ath9k_hw_common(sc->sc_ah); - - if (pll_sqsum >= 0x40000) { - count++; - if (count == 3) { - /* Rx is hung for more than 500ms. Reset it */ - ath_dbg(common, RESET, "Possible RX hang, resetting\n"); - RESET_STAT_INC(sc, RESET_TYPE_PLL_HANG); - ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - count = 0; - } - } else - count = 0; -} - -void ath_hw_pll_work(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, - hw_pll_work.work); - u32 pll_sqsum; - - if (AR_SREV_9485(sc->sc_ah)) { - - ath9k_ps_wakeup(sc); - pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); - ath9k_ps_restore(sc); - - ath_hw_pll_rx_hang_check(sc, pll_sqsum); - - ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); - } -} - /**********************/ /* mac80211 callbacks */ /**********************/ @@ -1389,25 +977,6 @@ static void ath9k_do_vif_add_setup(struct ieee80211_hw *hw, } } -void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon) -{ - if (!AR_SREV_9300(sc->sc_ah)) - return; - - if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) - return; - - mod_timer(&sc->rx_poll_timer, jiffies + msecs_to_jiffies - (nbeacon * sc->cur_beacon_conf.beacon_interval)); -} - -void ath_rx_poll(unsigned long data) -{ - struct ath_softc *sc = (struct ath_softc *)data; - - ieee80211_queue_work(sc->hw, &sc->hw_check_work); -} - static int ath9k_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) { diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index d59dd01d6cde..6619a39b8c27 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -105,19 +105,19 @@ static int ath_max_4ms_framelen[4][32] = { /* Aggregation logic */ /*********************/ -static void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq) +void ath_txq_lock(struct ath_softc *sc, struct ath_txq *txq) __acquires(&txq->axq_lock) { spin_lock_bh(&txq->axq_lock); } -static void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq) +void ath_txq_unlock(struct ath_softc *sc, struct ath_txq *txq) __releases(&txq->axq_lock) { spin_unlock_bh(&txq->axq_lock); } -static void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq) +void ath_txq_unlock_complete(struct ath_softc *sc, struct ath_txq *txq) __releases(&txq->axq_lock) { struct sk_buff_head q; @@ -2231,46 +2231,6 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq) ath_txq_unlock_complete(sc, txq); } -static void ath_tx_complete_poll_work(struct work_struct *work) -{ - struct ath_softc *sc = container_of(work, struct ath_softc, - tx_complete_work.work); - struct ath_txq *txq; - int i; - bool needreset = false; -#ifdef CONFIG_ATH9K_DEBUGFS - sc->tx_complete_poll_work_seen++; -#endif - - for (i = 0; i < ATH9K_NUM_TX_QUEUES; i++) - if (ATH_TXQ_SETUP(sc, i)) { - txq = &sc->tx.txq[i]; - ath_txq_lock(sc, txq); - if (txq->axq_depth) { - if (txq->axq_tx_inprogress) { - needreset = true; - ath_txq_unlock(sc, txq); - break; - } else { - txq->axq_tx_inprogress = true; - } - } - ath_txq_unlock_complete(sc, txq); - } - - if (needreset) { - ath_dbg(ath9k_hw_common(sc->sc_ah), RESET, - "tx hung, resetting the chip\n"); - RESET_STAT_INC(sc, RESET_TYPE_TX_HANG); - ieee80211_queue_work(sc->hw, &sc->hw_reset_work); - } - - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, - msecs_to_jiffies(ATH_TX_COMPLETE_POLL_INT)); -} - - - void ath_tx_tasklet(struct ath_softc *sc) { struct ath_hw *ah = sc->sc_ah; From af68abadac378f7a4a44fe766383e7b88c7f9c3b Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:23:43 +0530 Subject: [PATCH 196/241] ath9k: Fix work handling * Currently, there is no synchronization between the reset work and the tx-poll work. Fix this and make sure that we bail out properly if a reset work is in progress. * Cleanup the PLL WAR and enable it for AR9340 too and use a helper for restarting work/timers after a reset. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 1 + drivers/net/wireless/ath/ath9k/link.c | 33 +++++++++++++++----------- drivers/net/wireless/ath/ath9k/main.c | 22 +++++++++++++---- 3 files changed, 37 insertions(+), 19 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index d804416092ce..2faa181d8fcf 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -431,6 +431,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status); #define ATH_RESTART_CALINTERVAL 1200000 /* 20 minutes */ #define ATH_PAPRD_TIMEOUT 100 /* msecs */ +#define ATH_PLL_WORK_INTERVAL 100 void ath_tx_complete_poll_work(struct work_struct *work); void ath_reset_work(struct work_struct *work); diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index 7368b9630b99..89b38a9ab7c5 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -52,6 +52,7 @@ void ath_tx_complete_poll_work(struct work_struct *work) "tx hung, resetting the chip\n"); RESET_STAT_INC(sc, RESET_TYPE_TX_HANG); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); + return; } ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, @@ -107,9 +108,9 @@ void ath_hw_check(struct work_struct *work) } /* - * PLL-WAR for AR9485. + * PLL-WAR for AR9485/AR9340 */ -static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) +static bool ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) { static int count; struct ath_common *common = ath9k_hw_common(sc->sc_ah); @@ -117,29 +118,33 @@ static void ath_hw_pll_rx_hang_check(struct ath_softc *sc, u32 pll_sqsum) if (pll_sqsum >= 0x40000) { count++; if (count == 3) { - /* Rx is hung for more than 500ms. Reset it */ - ath_dbg(common, RESET, "Possible RX hang, resetting\n"); + ath_dbg(common, RESET, "PLL WAR, resetting the chip\n"); RESET_STAT_INC(sc, RESET_TYPE_PLL_HANG); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); count = 0; + return true; } - } else + } else { count = 0; + } + + return false; } void ath_hw_pll_work(struct work_struct *work) { + u32 pll_sqsum; struct ath_softc *sc = container_of(work, struct ath_softc, hw_pll_work.work); - u32 pll_sqsum; - if (AR_SREV_9485(sc->sc_ah)) { - ath9k_ps_wakeup(sc); - pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); - ath9k_ps_restore(sc); - ath_hw_pll_rx_hang_check(sc, pll_sqsum); - ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/5); - } + ath9k_ps_wakeup(sc); + pll_sqsum = ar9003_get_pll_sqsum_dvc(sc->sc_ah); + ath9k_ps_restore(sc); + if (ath_hw_pll_rx_hang_check(sc, pll_sqsum)) + return; + + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, + msecs_to_jiffies(ATH_PLL_WORK_INTERVAL)); } /* @@ -293,7 +298,7 @@ void ath_paprd_calibrate(struct work_struct *work) if (ar9003_paprd_create_curve(ah, caldata, chain)) { ath_dbg(common, CALIBRATE, "PAPRD create curve failed on chain %d\n", - chain); + chain); break; } diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 304769a3e179..b228aff481e1 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -158,6 +158,22 @@ static void ath_cancel_work(struct ath_softc *sc) cancel_work_sync(&sc->hw_reset_work); } +static void ath_restart_work(struct ath_softc *sc) +{ + struct ath_common *common = ath9k_hw_common(sc->sc_ah); + + ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); + + if (AR_SREV_9485(sc->sc_ah) || AR_SREV_9340(sc->sc_ah)) + ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, + msecs_to_jiffies(ATH_PLL_WORK_INTERVAL)); + + ath_start_rx_poll(sc, 3); + + if (!common->disable_ani) + ath_start_ani(common); +} + static bool ath_prepare_reset(struct ath_softc *sc, bool retry_tx, bool flush) { struct ath_hw *ah = sc->sc_ah; @@ -209,11 +225,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) if (sc->sc_flags & SC_OP_BEACONS) ath_set_beacon(sc); - ieee80211_queue_delayed_work(sc->hw, &sc->tx_complete_work, 0); - ieee80211_queue_delayed_work(sc->hw, &sc->hw_pll_work, HZ/2); - ath_start_rx_poll(sc, 3); - if (!common->disable_ani) - ath_start_ani(common); + ath_restart_work(sc); } if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) { From 8da07830e10a91cbe7badf9767230aafdd520b9c Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:23:49 +0530 Subject: [PATCH 197/241] ath9k: Move LNA code to antenna.c And use a helper function to setup antennae after a reset. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/Makefile | 3 +- drivers/net/wireless/ath/ath9k/antenna.c | 776 +++++++++++++++++++++++ drivers/net/wireless/ath/ath9k/ath9k.h | 7 +- drivers/net/wireless/ath/ath9k/main.c | 17 +- drivers/net/wireless/ath/ath9k/recv.c | 740 --------------------- 5 files changed, 786 insertions(+), 757 deletions(-) create mode 100644 drivers/net/wireless/ath/ath9k/antenna.c diff --git a/drivers/net/wireless/ath/ath9k/Makefile b/drivers/net/wireless/ath/ath9k/Makefile index 4d60fa84cbb4..9c41232b0cd0 100644 --- a/drivers/net/wireless/ath/ath9k/Makefile +++ b/drivers/net/wireless/ath/ath9k/Makefile @@ -4,7 +4,8 @@ ath9k-y += beacon.o \ main.o \ recv.o \ xmit.o \ - link.o + link.o \ + antenna.o ath9k-$(CONFIG_ATH9K_BTCOEX_SUPPORT) += mci.o ath9k-$(CONFIG_ATH9K_RATE_CONTROL) += rc.o diff --git a/drivers/net/wireless/ath/ath9k/antenna.c b/drivers/net/wireless/ath/ath9k/antenna.c new file mode 100644 index 000000000000..bbcfeb3b2a60 --- /dev/null +++ b/drivers/net/wireless/ath/ath9k/antenna.c @@ -0,0 +1,776 @@ +/* + * Copyright (c) 2012 Qualcomm Atheros, Inc. + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#include "ath9k.h" + +static inline bool ath_is_alt_ant_ratio_better(int alt_ratio, int maxdelta, + int mindelta, int main_rssi_avg, + int alt_rssi_avg, int pkt_count) +{ + return (((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && + (alt_rssi_avg > main_rssi_avg + maxdelta)) || + (alt_rssi_avg > main_rssi_avg + mindelta)) && (pkt_count > 50); +} + +static inline bool ath_ant_div_comb_alt_check(u8 div_group, int alt_ratio, + int curr_main_set, int curr_alt_set, + int alt_rssi_avg, int main_rssi_avg) +{ + bool result = false; + switch (div_group) { + case 0: + if (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO) + result = true; + break; + case 1: + case 2: + if ((((curr_main_set == ATH_ANT_DIV_COMB_LNA2) && + (curr_alt_set == ATH_ANT_DIV_COMB_LNA1) && + (alt_rssi_avg >= (main_rssi_avg - 5))) || + ((curr_main_set == ATH_ANT_DIV_COMB_LNA1) && + (curr_alt_set == ATH_ANT_DIV_COMB_LNA2) && + (alt_rssi_avg >= (main_rssi_avg - 2)))) && + (alt_rssi_avg >= 4)) + result = true; + else + result = false; + break; + } + + return result; +} + +static void ath_lnaconf_alt_good_scan(struct ath_ant_comb *antcomb, + struct ath_hw_antcomb_conf ant_conf, + int main_rssi_avg) +{ + antcomb->quick_scan_cnt = 0; + + if (ant_conf.main_lna_conf == ATH_ANT_DIV_COMB_LNA2) + antcomb->rssi_lna2 = main_rssi_avg; + else if (ant_conf.main_lna_conf == ATH_ANT_DIV_COMB_LNA1) + antcomb->rssi_lna1 = main_rssi_avg; + + switch ((ant_conf.main_lna_conf << 4) | ant_conf.alt_lna_conf) { + case 0x10: /* LNA2 A-B */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1; + break; + case 0x20: /* LNA1 A-B */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA2; + break; + case 0x21: /* LNA1 LNA2 */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA2; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->second_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + break; + case 0x12: /* LNA2 LNA1 */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->second_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + break; + case 0x13: /* LNA2 A+B */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1; + break; + case 0x23: /* LNA1 A+B */ + antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + antcomb->first_quick_scan_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA2; + break; + default: + break; + } +} + +static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb, + struct ath_hw_antcomb_conf *div_ant_conf, + int main_rssi_avg, int alt_rssi_avg, + int alt_ratio) +{ + /* alt_good */ + switch (antcomb->quick_scan_cnt) { + case 0: + /* set alt to main, and alt to first conf */ + div_ant_conf->main_lna_conf = antcomb->main_conf; + div_ant_conf->alt_lna_conf = antcomb->first_quick_scan_conf; + break; + case 1: + /* set alt to main, and alt to first conf */ + div_ant_conf->main_lna_conf = antcomb->main_conf; + div_ant_conf->alt_lna_conf = antcomb->second_quick_scan_conf; + antcomb->rssi_first = main_rssi_avg; + antcomb->rssi_second = alt_rssi_avg; + + if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) { + /* main is LNA1 */ + if (ath_is_alt_ant_ratio_better(alt_ratio, + ATH_ANT_DIV_COMB_LNA1_DELTA_HI, + ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, + main_rssi_avg, alt_rssi_avg, + antcomb->total_pkt_count)) + antcomb->first_ratio = true; + else + antcomb->first_ratio = false; + } else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) { + if (ath_is_alt_ant_ratio_better(alt_ratio, + ATH_ANT_DIV_COMB_LNA1_DELTA_MID, + ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, + main_rssi_avg, alt_rssi_avg, + antcomb->total_pkt_count)) + antcomb->first_ratio = true; + else + antcomb->first_ratio = false; + } else { + if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && + (alt_rssi_avg > main_rssi_avg + + ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) || + (alt_rssi_avg > main_rssi_avg)) && + (antcomb->total_pkt_count > 50)) + antcomb->first_ratio = true; + else + antcomb->first_ratio = false; + } + break; + case 2: + antcomb->alt_good = false; + antcomb->scan_not_start = false; + antcomb->scan = false; + antcomb->rssi_first = main_rssi_avg; + antcomb->rssi_third = alt_rssi_avg; + + if (antcomb->second_quick_scan_conf == ATH_ANT_DIV_COMB_LNA1) + antcomb->rssi_lna1 = alt_rssi_avg; + else if (antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA2) + antcomb->rssi_lna2 = alt_rssi_avg; + else if (antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2) { + if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) + antcomb->rssi_lna2 = main_rssi_avg; + else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) + antcomb->rssi_lna1 = main_rssi_avg; + } + + if (antcomb->rssi_lna2 > antcomb->rssi_lna1 + + ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA) + div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA2; + else + div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1; + + if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) { + if (ath_is_alt_ant_ratio_better(alt_ratio, + ATH_ANT_DIV_COMB_LNA1_DELTA_HI, + ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, + main_rssi_avg, alt_rssi_avg, + antcomb->total_pkt_count)) + antcomb->second_ratio = true; + else + antcomb->second_ratio = false; + } else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) { + if (ath_is_alt_ant_ratio_better(alt_ratio, + ATH_ANT_DIV_COMB_LNA1_DELTA_MID, + ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, + main_rssi_avg, alt_rssi_avg, + antcomb->total_pkt_count)) + antcomb->second_ratio = true; + else + antcomb->second_ratio = false; + } else { + if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && + (alt_rssi_avg > main_rssi_avg + + ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) || + (alt_rssi_avg > main_rssi_avg)) && + (antcomb->total_pkt_count > 50)) + antcomb->second_ratio = true; + else + antcomb->second_ratio = false; + } + + /* set alt to the conf with maximun ratio */ + if (antcomb->first_ratio && antcomb->second_ratio) { + if (antcomb->rssi_second > antcomb->rssi_third) { + /* first alt*/ + if ((antcomb->first_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA1) || + (antcomb->first_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA2)) + /* Set alt LNA1 or LNA2*/ + if (div_ant_conf->main_lna_conf == + ATH_ANT_DIV_COMB_LNA2) + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + else + /* Set alt to A+B or A-B */ + div_ant_conf->alt_lna_conf = + antcomb->first_quick_scan_conf; + } else if ((antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA1) || + (antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA2)) { + /* Set alt LNA1 or LNA2 */ + if (div_ant_conf->main_lna_conf == + ATH_ANT_DIV_COMB_LNA2) + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + } else { + /* Set alt to A+B or A-B */ + div_ant_conf->alt_lna_conf = + antcomb->second_quick_scan_conf; + } + } else if (antcomb->first_ratio) { + /* first alt */ + if ((antcomb->first_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA1) || + (antcomb->first_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA2)) + /* Set alt LNA1 or LNA2 */ + if (div_ant_conf->main_lna_conf == + ATH_ANT_DIV_COMB_LNA2) + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + else + /* Set alt to A+B or A-B */ + div_ant_conf->alt_lna_conf = + antcomb->first_quick_scan_conf; + } else if (antcomb->second_ratio) { + /* second alt */ + if ((antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA1) || + (antcomb->second_quick_scan_conf == + ATH_ANT_DIV_COMB_LNA2)) + /* Set alt LNA1 or LNA2 */ + if (div_ant_conf->main_lna_conf == + ATH_ANT_DIV_COMB_LNA2) + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + else + /* Set alt to A+B or A-B */ + div_ant_conf->alt_lna_conf = + antcomb->second_quick_scan_conf; + } else { + /* main is largest */ + if ((antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) || + (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2)) + /* Set alt LNA1 or LNA2 */ + if (div_ant_conf->main_lna_conf == + ATH_ANT_DIV_COMB_LNA2) + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else + div_ant_conf->alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + else + /* Set alt to A+B or A-B */ + div_ant_conf->alt_lna_conf = antcomb->main_conf; + } + break; + default: + break; + } +} + +static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf, + struct ath_ant_comb *antcomb, + int alt_ratio) +{ + if (ant_conf->div_group == 0) { + /* Adjust the fast_div_bias based on main and alt lna conf */ + switch ((ant_conf->main_lna_conf << 4) | + ant_conf->alt_lna_conf) { + case 0x01: /* A-B LNA2 */ + ant_conf->fast_div_bias = 0x3b; + break; + case 0x02: /* A-B LNA1 */ + ant_conf->fast_div_bias = 0x3d; + break; + case 0x03: /* A-B A+B */ + ant_conf->fast_div_bias = 0x1; + break; + case 0x10: /* LNA2 A-B */ + ant_conf->fast_div_bias = 0x7; + break; + case 0x12: /* LNA2 LNA1 */ + ant_conf->fast_div_bias = 0x2; + break; + case 0x13: /* LNA2 A+B */ + ant_conf->fast_div_bias = 0x7; + break; + case 0x20: /* LNA1 A-B */ + ant_conf->fast_div_bias = 0x6; + break; + case 0x21: /* LNA1 LNA2 */ + ant_conf->fast_div_bias = 0x0; + break; + case 0x23: /* LNA1 A+B */ + ant_conf->fast_div_bias = 0x6; + break; + case 0x30: /* A+B A-B */ + ant_conf->fast_div_bias = 0x1; + break; + case 0x31: /* A+B LNA2 */ + ant_conf->fast_div_bias = 0x3b; + break; + case 0x32: /* A+B LNA1 */ + ant_conf->fast_div_bias = 0x3d; + break; + default: + break; + } + } else if (ant_conf->div_group == 1) { + /* Adjust the fast_div_bias based on main and alt_lna_conf */ + switch ((ant_conf->main_lna_conf << 4) | + ant_conf->alt_lna_conf) { + case 0x01: /* A-B LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x02: /* A-B LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x03: /* A-B A+B */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x10: /* LNA2 A-B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x3f; + else + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x12: /* LNA2 LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x13: /* LNA2 A+B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x3f; + else + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x20: /* LNA1 A-B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x3f; + else + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x21: /* LNA1 LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x23: /* LNA1 A+B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x3f; + else + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x30: /* A+B A-B */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x31: /* A+B LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x32: /* A+B LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + default: + break; + } + } else if (ant_conf->div_group == 2) { + /* Adjust the fast_div_bias based on main and alt_lna_conf */ + switch ((ant_conf->main_lna_conf << 4) | + ant_conf->alt_lna_conf) { + case 0x01: /* A-B LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x02: /* A-B LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x03: /* A-B A+B */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x10: /* LNA2 A-B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x1; + else + ant_conf->fast_div_bias = 0x2; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x12: /* LNA2 LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x13: /* LNA2 A+B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x1; + else + ant_conf->fast_div_bias = 0x2; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x20: /* LNA1 A-B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x1; + else + ant_conf->fast_div_bias = 0x2; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x21: /* LNA1 LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x23: /* LNA1 A+B */ + if (!(antcomb->scan) && + (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) + ant_conf->fast_div_bias = 0x1; + else + ant_conf->fast_div_bias = 0x2; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x30: /* A+B A-B */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x31: /* A+B LNA2 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + case 0x32: /* A+B LNA1 */ + ant_conf->fast_div_bias = 0x1; + ant_conf->main_gaintb = 0; + ant_conf->alt_gaintb = 0; + break; + default: + break; + } + } +} + +void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs) +{ + struct ath_hw_antcomb_conf div_ant_conf; + struct ath_ant_comb *antcomb = &sc->ant_comb; + int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set; + int curr_main_set; + int main_rssi = rs->rs_rssi_ctl0; + int alt_rssi = rs->rs_rssi_ctl1; + int rx_ant_conf, main_ant_conf; + bool short_scan = false; + + rx_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_CURRENT_SHIFT) & + ATH_ANT_RX_MASK; + main_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_MAIN_SHIFT) & + ATH_ANT_RX_MASK; + + /* Record packet only when both main_rssi and alt_rssi is positive */ + if (main_rssi > 0 && alt_rssi > 0) { + antcomb->total_pkt_count++; + antcomb->main_total_rssi += main_rssi; + antcomb->alt_total_rssi += alt_rssi; + if (main_ant_conf == rx_ant_conf) + antcomb->main_recv_cnt++; + else + antcomb->alt_recv_cnt++; + } + + /* Short scan check */ + if (antcomb->scan && antcomb->alt_good) { + if (time_after(jiffies, antcomb->scan_start_time + + msecs_to_jiffies(ATH_ANT_DIV_COMB_SHORT_SCAN_INTR))) + short_scan = true; + else + if (antcomb->total_pkt_count == + ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT) { + alt_ratio = ((antcomb->alt_recv_cnt * 100) / + antcomb->total_pkt_count); + if (alt_ratio < ATH_ANT_DIV_COMB_ALT_ANT_RATIO) + short_scan = true; + } + } + + if (((antcomb->total_pkt_count < ATH_ANT_DIV_COMB_MAX_PKTCOUNT) || + rs->rs_moreaggr) && !short_scan) + return; + + if (antcomb->total_pkt_count) { + alt_ratio = ((antcomb->alt_recv_cnt * 100) / + antcomb->total_pkt_count); + main_rssi_avg = (antcomb->main_total_rssi / + antcomb->total_pkt_count); + alt_rssi_avg = (antcomb->alt_total_rssi / + antcomb->total_pkt_count); + } + + + ath9k_hw_antdiv_comb_conf_get(sc->sc_ah, &div_ant_conf); + curr_alt_set = div_ant_conf.alt_lna_conf; + curr_main_set = div_ant_conf.main_lna_conf; + + antcomb->count++; + + if (antcomb->count == ATH_ANT_DIV_COMB_MAX_COUNT) { + if (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO) { + ath_lnaconf_alt_good_scan(antcomb, div_ant_conf, + main_rssi_avg); + antcomb->alt_good = true; + } else { + antcomb->alt_good = false; + } + + antcomb->count = 0; + antcomb->scan = true; + antcomb->scan_not_start = true; + } + + if (!antcomb->scan) { + if (ath_ant_div_comb_alt_check(div_ant_conf.div_group, + alt_ratio, curr_main_set, curr_alt_set, + alt_rssi_avg, main_rssi_avg)) { + if (curr_alt_set == ATH_ANT_DIV_COMB_LNA2) { + /* Switch main and alt LNA */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + } else if (curr_alt_set == ATH_ANT_DIV_COMB_LNA1) { + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + } + + goto div_comb_done; + } else if ((curr_alt_set != ATH_ANT_DIV_COMB_LNA1) && + (curr_alt_set != ATH_ANT_DIV_COMB_LNA2)) { + /* Set alt to another LNA */ + if (curr_main_set == ATH_ANT_DIV_COMB_LNA2) + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + else if (curr_main_set == ATH_ANT_DIV_COMB_LNA1) + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + + goto div_comb_done; + } + + if ((alt_rssi_avg < (main_rssi_avg + + div_ant_conf.lna1_lna2_delta))) + goto div_comb_done; + } + + if (!antcomb->scan_not_start) { + switch (curr_alt_set) { + case ATH_ANT_DIV_COMB_LNA2: + antcomb->rssi_lna2 = alt_rssi_avg; + antcomb->rssi_lna1 = main_rssi_avg; + antcomb->scan = true; + /* set to A+B */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + break; + case ATH_ANT_DIV_COMB_LNA1: + antcomb->rssi_lna1 = alt_rssi_avg; + antcomb->rssi_lna2 = main_rssi_avg; + antcomb->scan = true; + /* set to A+B */ + div_ant_conf.main_lna_conf = ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + break; + case ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2: + antcomb->rssi_add = alt_rssi_avg; + antcomb->scan = true; + /* set to A-B */ + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + break; + case ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2: + antcomb->rssi_sub = alt_rssi_avg; + antcomb->scan = false; + if (antcomb->rssi_lna2 > + (antcomb->rssi_lna1 + + ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)) { + /* use LNA2 as main LNA */ + if ((antcomb->rssi_add > antcomb->rssi_lna1) && + (antcomb->rssi_add > antcomb->rssi_sub)) { + /* set to A+B */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + } else if (antcomb->rssi_sub > + antcomb->rssi_lna1) { + /* set to A-B */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + } else { + /* set to LNA1 */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + } + } else { + /* use LNA1 as main LNA */ + if ((antcomb->rssi_add > antcomb->rssi_lna2) && + (antcomb->rssi_add > antcomb->rssi_sub)) { + /* set to A+B */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; + } else if (antcomb->rssi_sub > + antcomb->rssi_lna1) { + /* set to A-B */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; + } else { + /* set to LNA2 */ + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + } + } + break; + default: + break; + } + } else { + if (!antcomb->alt_good) { + antcomb->scan_not_start = false; + /* Set alt to another LNA */ + if (curr_main_set == ATH_ANT_DIV_COMB_LNA2) { + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + } else if (curr_main_set == ATH_ANT_DIV_COMB_LNA1) { + div_ant_conf.main_lna_conf = + ATH_ANT_DIV_COMB_LNA1; + div_ant_conf.alt_lna_conf = + ATH_ANT_DIV_COMB_LNA2; + } + goto div_comb_done; + } + } + + ath_select_ant_div_from_quick_scan(antcomb, &div_ant_conf, + main_rssi_avg, alt_rssi_avg, + alt_ratio); + + antcomb->quick_scan_cnt++; + +div_comb_done: + ath_ant_div_conf_fast_divbias(&div_ant_conf, antcomb, alt_ratio); + ath9k_hw_antdiv_comb_conf_set(sc->sc_ah, &div_ant_conf); + + antcomb->scan_start_time = jiffies; + antcomb->total_pkt_count = 0; + antcomb->main_total_rssi = 0; + antcomb->alt_total_rssi = 0; + antcomb->main_recv_cnt = 0; + antcomb->alt_recv_cnt = 0; +} + +void ath_ant_comb_update(struct ath_softc *sc) +{ + struct ath_hw *ah = sc->sc_ah; + struct ath_hw_antcomb_conf div_ant_conf; + u8 lna_conf; + + ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); + + if (sc->ant_rx == 1) + lna_conf = ATH_ANT_DIV_COMB_LNA1; + else + lna_conf = ATH_ANT_DIV_COMB_LNA2; + + div_ant_conf.main_lna_conf = lna_conf; + div_ant_conf.alt_lna_conf = lna_conf; + + ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf); +} diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 2faa181d8fcf..4c2ce453af22 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -528,8 +528,10 @@ static inline void ath_deinit_leds(struct ath_softc *sc) } #endif - +/*******************************/ /* Antenna diversity/combining */ +/*******************************/ + #define ATH_ANT_RX_CURRENT_SHIFT 4 #define ATH_ANT_RX_MAIN_SHIFT 2 #define ATH_ANT_RX_MASK 0x3 @@ -582,6 +584,9 @@ struct ath_ant_comb { unsigned long scan_start_time; }; +void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs); +void ath_ant_comb_update(struct ath_softc *sc); + /********************/ /* Main driver core */ /********************/ diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index b228aff481e1..66f215ca9969 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -228,21 +228,8 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) ath_restart_work(sc); } - if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) { - struct ath_hw_antcomb_conf div_ant_conf; - u8 lna_conf; - - ath9k_hw_antdiv_comb_conf_get(ah, &div_ant_conf); - - if (sc->ant_rx == 1) - lna_conf = ATH_ANT_DIV_COMB_LNA1; - else - lna_conf = ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.main_lna_conf = lna_conf; - div_ant_conf.alt_lna_conf = lna_conf; - - ath9k_hw_antdiv_comb_conf_set(ah, &div_ant_conf); - } + if ((ah->caps.hw_caps & ATH9K_HW_CAP_ANT_DIV_COMB) && sc->ant_rx != 3) + ath_ant_comb_update(sc); ieee80211_wake_queues(sc->hw); diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index 611be4f934e7..c2f5fd1c8b87 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -20,43 +20,6 @@ #define SKB_CB_ATHBUF(__skb) (*((struct ath_buf **)__skb->cb)) -static inline bool ath_is_alt_ant_ratio_better(int alt_ratio, int maxdelta, - int mindelta, int main_rssi_avg, - int alt_rssi_avg, int pkt_count) -{ - return (((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && - (alt_rssi_avg > main_rssi_avg + maxdelta)) || - (alt_rssi_avg > main_rssi_avg + mindelta)) && (pkt_count > 50); -} - -static inline bool ath_ant_div_comb_alt_check(u8 div_group, int alt_ratio, - int curr_main_set, int curr_alt_set, - int alt_rssi_avg, int main_rssi_avg) -{ - bool result = false; - switch (div_group) { - case 0: - if (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO) - result = true; - break; - case 1: - case 2: - if ((((curr_main_set == ATH_ANT_DIV_COMB_LNA2) && - (curr_alt_set == ATH_ANT_DIV_COMB_LNA1) && - (alt_rssi_avg >= (main_rssi_avg - 5))) || - ((curr_main_set == ATH_ANT_DIV_COMB_LNA1) && - (curr_alt_set == ATH_ANT_DIV_COMB_LNA2) && - (alt_rssi_avg >= (main_rssi_avg - 2)))) && - (alt_rssi_avg >= 4)) - result = true; - else - result = false; - break; - } - - return result; -} - static inline bool ath9k_check_auto_sleep(struct ath_softc *sc) { return sc->ps_enabled && @@ -1067,709 +1030,6 @@ static void ath9k_rx_skb_postprocess(struct ath_common *common, rxs->flag &= ~RX_FLAG_DECRYPTED; } -static void ath_lnaconf_alt_good_scan(struct ath_ant_comb *antcomb, - struct ath_hw_antcomb_conf ant_conf, - int main_rssi_avg) -{ - antcomb->quick_scan_cnt = 0; - - if (ant_conf.main_lna_conf == ATH_ANT_DIV_COMB_LNA2) - antcomb->rssi_lna2 = main_rssi_avg; - else if (ant_conf.main_lna_conf == ATH_ANT_DIV_COMB_LNA1) - antcomb->rssi_lna1 = main_rssi_avg; - - switch ((ant_conf.main_lna_conf << 4) | ant_conf.alt_lna_conf) { - case 0x10: /* LNA2 A-B */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1; - break; - case 0x20: /* LNA1 A-B */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA2; - break; - case 0x21: /* LNA1 LNA2 */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA2; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->second_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - break; - case 0x12: /* LNA2 LNA1 */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->second_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - break; - case 0x13: /* LNA2 A+B */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA1; - break; - case 0x23: /* LNA1 A+B */ - antcomb->main_conf = ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - antcomb->first_quick_scan_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - antcomb->second_quick_scan_conf = ATH_ANT_DIV_COMB_LNA2; - break; - default: - break; - } -} - -static void ath_select_ant_div_from_quick_scan(struct ath_ant_comb *antcomb, - struct ath_hw_antcomb_conf *div_ant_conf, - int main_rssi_avg, int alt_rssi_avg, - int alt_ratio) -{ - /* alt_good */ - switch (antcomb->quick_scan_cnt) { - case 0: - /* set alt to main, and alt to first conf */ - div_ant_conf->main_lna_conf = antcomb->main_conf; - div_ant_conf->alt_lna_conf = antcomb->first_quick_scan_conf; - break; - case 1: - /* set alt to main, and alt to first conf */ - div_ant_conf->main_lna_conf = antcomb->main_conf; - div_ant_conf->alt_lna_conf = antcomb->second_quick_scan_conf; - antcomb->rssi_first = main_rssi_avg; - antcomb->rssi_second = alt_rssi_avg; - - if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) { - /* main is LNA1 */ - if (ath_is_alt_ant_ratio_better(alt_ratio, - ATH_ANT_DIV_COMB_LNA1_DELTA_HI, - ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, - main_rssi_avg, alt_rssi_avg, - antcomb->total_pkt_count)) - antcomb->first_ratio = true; - else - antcomb->first_ratio = false; - } else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) { - if (ath_is_alt_ant_ratio_better(alt_ratio, - ATH_ANT_DIV_COMB_LNA1_DELTA_MID, - ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, - main_rssi_avg, alt_rssi_avg, - antcomb->total_pkt_count)) - antcomb->first_ratio = true; - else - antcomb->first_ratio = false; - } else { - if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && - (alt_rssi_avg > main_rssi_avg + - ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) || - (alt_rssi_avg > main_rssi_avg)) && - (antcomb->total_pkt_count > 50)) - antcomb->first_ratio = true; - else - antcomb->first_ratio = false; - } - break; - case 2: - antcomb->alt_good = false; - antcomb->scan_not_start = false; - antcomb->scan = false; - antcomb->rssi_first = main_rssi_avg; - antcomb->rssi_third = alt_rssi_avg; - - if (antcomb->second_quick_scan_conf == ATH_ANT_DIV_COMB_LNA1) - antcomb->rssi_lna1 = alt_rssi_avg; - else if (antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA2) - antcomb->rssi_lna2 = alt_rssi_avg; - else if (antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2) { - if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) - antcomb->rssi_lna2 = main_rssi_avg; - else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) - antcomb->rssi_lna1 = main_rssi_avg; - } - - if (antcomb->rssi_lna2 > antcomb->rssi_lna1 + - ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA) - div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA2; - else - div_ant_conf->main_lna_conf = ATH_ANT_DIV_COMB_LNA1; - - if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) { - if (ath_is_alt_ant_ratio_better(alt_ratio, - ATH_ANT_DIV_COMB_LNA1_DELTA_HI, - ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, - main_rssi_avg, alt_rssi_avg, - antcomb->total_pkt_count)) - antcomb->second_ratio = true; - else - antcomb->second_ratio = false; - } else if (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2) { - if (ath_is_alt_ant_ratio_better(alt_ratio, - ATH_ANT_DIV_COMB_LNA1_DELTA_MID, - ATH_ANT_DIV_COMB_LNA1_DELTA_LOW, - main_rssi_avg, alt_rssi_avg, - antcomb->total_pkt_count)) - antcomb->second_ratio = true; - else - antcomb->second_ratio = false; - } else { - if ((((alt_ratio >= ATH_ANT_DIV_COMB_ALT_ANT_RATIO2) && - (alt_rssi_avg > main_rssi_avg + - ATH_ANT_DIV_COMB_LNA1_DELTA_HI)) || - (alt_rssi_avg > main_rssi_avg)) && - (antcomb->total_pkt_count > 50)) - antcomb->second_ratio = true; - else - antcomb->second_ratio = false; - } - - /* set alt to the conf with maximun ratio */ - if (antcomb->first_ratio && antcomb->second_ratio) { - if (antcomb->rssi_second > antcomb->rssi_third) { - /* first alt*/ - if ((antcomb->first_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA1) || - (antcomb->first_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA2)) - /* Set alt LNA1 or LNA2*/ - if (div_ant_conf->main_lna_conf == - ATH_ANT_DIV_COMB_LNA2) - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - else - /* Set alt to A+B or A-B */ - div_ant_conf->alt_lna_conf = - antcomb->first_quick_scan_conf; - } else if ((antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA1) || - (antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA2)) { - /* Set alt LNA1 or LNA2 */ - if (div_ant_conf->main_lna_conf == - ATH_ANT_DIV_COMB_LNA2) - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - } else { - /* Set alt to A+B or A-B */ - div_ant_conf->alt_lna_conf = - antcomb->second_quick_scan_conf; - } - } else if (antcomb->first_ratio) { - /* first alt */ - if ((antcomb->first_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA1) || - (antcomb->first_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA2)) - /* Set alt LNA1 or LNA2 */ - if (div_ant_conf->main_lna_conf == - ATH_ANT_DIV_COMB_LNA2) - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - else - /* Set alt to A+B or A-B */ - div_ant_conf->alt_lna_conf = - antcomb->first_quick_scan_conf; - } else if (antcomb->second_ratio) { - /* second alt */ - if ((antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA1) || - (antcomb->second_quick_scan_conf == - ATH_ANT_DIV_COMB_LNA2)) - /* Set alt LNA1 or LNA2 */ - if (div_ant_conf->main_lna_conf == - ATH_ANT_DIV_COMB_LNA2) - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - else - /* Set alt to A+B or A-B */ - div_ant_conf->alt_lna_conf = - antcomb->second_quick_scan_conf; - } else { - /* main is largest */ - if ((antcomb->main_conf == ATH_ANT_DIV_COMB_LNA1) || - (antcomb->main_conf == ATH_ANT_DIV_COMB_LNA2)) - /* Set alt LNA1 or LNA2 */ - if (div_ant_conf->main_lna_conf == - ATH_ANT_DIV_COMB_LNA2) - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else - div_ant_conf->alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - else - /* Set alt to A+B or A-B */ - div_ant_conf->alt_lna_conf = antcomb->main_conf; - } - break; - default: - break; - } -} - -static void ath_ant_div_conf_fast_divbias(struct ath_hw_antcomb_conf *ant_conf, - struct ath_ant_comb *antcomb, int alt_ratio) -{ - if (ant_conf->div_group == 0) { - /* Adjust the fast_div_bias based on main and alt lna conf */ - switch ((ant_conf->main_lna_conf << 4) | - ant_conf->alt_lna_conf) { - case 0x01: /* A-B LNA2 */ - ant_conf->fast_div_bias = 0x3b; - break; - case 0x02: /* A-B LNA1 */ - ant_conf->fast_div_bias = 0x3d; - break; - case 0x03: /* A-B A+B */ - ant_conf->fast_div_bias = 0x1; - break; - case 0x10: /* LNA2 A-B */ - ant_conf->fast_div_bias = 0x7; - break; - case 0x12: /* LNA2 LNA1 */ - ant_conf->fast_div_bias = 0x2; - break; - case 0x13: /* LNA2 A+B */ - ant_conf->fast_div_bias = 0x7; - break; - case 0x20: /* LNA1 A-B */ - ant_conf->fast_div_bias = 0x6; - break; - case 0x21: /* LNA1 LNA2 */ - ant_conf->fast_div_bias = 0x0; - break; - case 0x23: /* LNA1 A+B */ - ant_conf->fast_div_bias = 0x6; - break; - case 0x30: /* A+B A-B */ - ant_conf->fast_div_bias = 0x1; - break; - case 0x31: /* A+B LNA2 */ - ant_conf->fast_div_bias = 0x3b; - break; - case 0x32: /* A+B LNA1 */ - ant_conf->fast_div_bias = 0x3d; - break; - default: - break; - } - } else if (ant_conf->div_group == 1) { - /* Adjust the fast_div_bias based on main and alt_lna_conf */ - switch ((ant_conf->main_lna_conf << 4) | - ant_conf->alt_lna_conf) { - case 0x01: /* A-B LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x02: /* A-B LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x03: /* A-B A+B */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x10: /* LNA2 A-B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x3f; - else - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x12: /* LNA2 LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x13: /* LNA2 A+B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x3f; - else - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x20: /* LNA1 A-B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x3f; - else - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x21: /* LNA1 LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x23: /* LNA1 A+B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x3f; - else - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x30: /* A+B A-B */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x31: /* A+B LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x32: /* A+B LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - default: - break; - } - } else if (ant_conf->div_group == 2) { - /* Adjust the fast_div_bias based on main and alt_lna_conf */ - switch ((ant_conf->main_lna_conf << 4) | - ant_conf->alt_lna_conf) { - case 0x01: /* A-B LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x02: /* A-B LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x03: /* A-B A+B */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x10: /* LNA2 A-B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x1; - else - ant_conf->fast_div_bias = 0x2; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x12: /* LNA2 LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x13: /* LNA2 A+B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x1; - else - ant_conf->fast_div_bias = 0x2; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x20: /* LNA1 A-B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x1; - else - ant_conf->fast_div_bias = 0x2; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x21: /* LNA1 LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x23: /* LNA1 A+B */ - if (!(antcomb->scan) && - (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO)) - ant_conf->fast_div_bias = 0x1; - else - ant_conf->fast_div_bias = 0x2; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x30: /* A+B A-B */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x31: /* A+B LNA2 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - case 0x32: /* A+B LNA1 */ - ant_conf->fast_div_bias = 0x1; - ant_conf->main_gaintb = 0; - ant_conf->alt_gaintb = 0; - break; - default: - break; - } - } -} - -/* Antenna diversity and combining */ -static void ath_ant_comb_scan(struct ath_softc *sc, struct ath_rx_status *rs) -{ - struct ath_hw_antcomb_conf div_ant_conf; - struct ath_ant_comb *antcomb = &sc->ant_comb; - int alt_ratio = 0, alt_rssi_avg = 0, main_rssi_avg = 0, curr_alt_set; - int curr_main_set; - int main_rssi = rs->rs_rssi_ctl0; - int alt_rssi = rs->rs_rssi_ctl1; - int rx_ant_conf, main_ant_conf; - bool short_scan = false; - - rx_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_CURRENT_SHIFT) & - ATH_ANT_RX_MASK; - main_ant_conf = (rs->rs_rssi_ctl2 >> ATH_ANT_RX_MAIN_SHIFT) & - ATH_ANT_RX_MASK; - - /* Record packet only when both main_rssi and alt_rssi is positive */ - if (main_rssi > 0 && alt_rssi > 0) { - antcomb->total_pkt_count++; - antcomb->main_total_rssi += main_rssi; - antcomb->alt_total_rssi += alt_rssi; - if (main_ant_conf == rx_ant_conf) - antcomb->main_recv_cnt++; - else - antcomb->alt_recv_cnt++; - } - - /* Short scan check */ - if (antcomb->scan && antcomb->alt_good) { - if (time_after(jiffies, antcomb->scan_start_time + - msecs_to_jiffies(ATH_ANT_DIV_COMB_SHORT_SCAN_INTR))) - short_scan = true; - else - if (antcomb->total_pkt_count == - ATH_ANT_DIV_COMB_SHORT_SCAN_PKTCOUNT) { - alt_ratio = ((antcomb->alt_recv_cnt * 100) / - antcomb->total_pkt_count); - if (alt_ratio < ATH_ANT_DIV_COMB_ALT_ANT_RATIO) - short_scan = true; - } - } - - if (((antcomb->total_pkt_count < ATH_ANT_DIV_COMB_MAX_PKTCOUNT) || - rs->rs_moreaggr) && !short_scan) - return; - - if (antcomb->total_pkt_count) { - alt_ratio = ((antcomb->alt_recv_cnt * 100) / - antcomb->total_pkt_count); - main_rssi_avg = (antcomb->main_total_rssi / - antcomb->total_pkt_count); - alt_rssi_avg = (antcomb->alt_total_rssi / - antcomb->total_pkt_count); - } - - - ath9k_hw_antdiv_comb_conf_get(sc->sc_ah, &div_ant_conf); - curr_alt_set = div_ant_conf.alt_lna_conf; - curr_main_set = div_ant_conf.main_lna_conf; - - antcomb->count++; - - if (antcomb->count == ATH_ANT_DIV_COMB_MAX_COUNT) { - if (alt_ratio > ATH_ANT_DIV_COMB_ALT_ANT_RATIO) { - ath_lnaconf_alt_good_scan(antcomb, div_ant_conf, - main_rssi_avg); - antcomb->alt_good = true; - } else { - antcomb->alt_good = false; - } - - antcomb->count = 0; - antcomb->scan = true; - antcomb->scan_not_start = true; - } - - if (!antcomb->scan) { - if (ath_ant_div_comb_alt_check(div_ant_conf.div_group, - alt_ratio, curr_main_set, curr_alt_set, - alt_rssi_avg, main_rssi_avg)) { - if (curr_alt_set == ATH_ANT_DIV_COMB_LNA2) { - /* Switch main and alt LNA */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - } else if (curr_alt_set == ATH_ANT_DIV_COMB_LNA1) { - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - } - - goto div_comb_done; - } else if ((curr_alt_set != ATH_ANT_DIV_COMB_LNA1) && - (curr_alt_set != ATH_ANT_DIV_COMB_LNA2)) { - /* Set alt to another LNA */ - if (curr_main_set == ATH_ANT_DIV_COMB_LNA2) - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - else if (curr_main_set == ATH_ANT_DIV_COMB_LNA1) - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - - goto div_comb_done; - } - - if ((alt_rssi_avg < (main_rssi_avg + - div_ant_conf.lna1_lna2_delta))) - goto div_comb_done; - } - - if (!antcomb->scan_not_start) { - switch (curr_alt_set) { - case ATH_ANT_DIV_COMB_LNA2: - antcomb->rssi_lna2 = alt_rssi_avg; - antcomb->rssi_lna1 = main_rssi_avg; - antcomb->scan = true; - /* set to A+B */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - break; - case ATH_ANT_DIV_COMB_LNA1: - antcomb->rssi_lna1 = alt_rssi_avg; - antcomb->rssi_lna2 = main_rssi_avg; - antcomb->scan = true; - /* set to A+B */ - div_ant_conf.main_lna_conf = ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - break; - case ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2: - antcomb->rssi_add = alt_rssi_avg; - antcomb->scan = true; - /* set to A-B */ - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - break; - case ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2: - antcomb->rssi_sub = alt_rssi_avg; - antcomb->scan = false; - if (antcomb->rssi_lna2 > - (antcomb->rssi_lna1 + - ATH_ANT_DIV_COMB_LNA1_LNA2_SWITCH_DELTA)) { - /* use LNA2 as main LNA */ - if ((antcomb->rssi_add > antcomb->rssi_lna1) && - (antcomb->rssi_add > antcomb->rssi_sub)) { - /* set to A+B */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - } else if (antcomb->rssi_sub > - antcomb->rssi_lna1) { - /* set to A-B */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - } else { - /* set to LNA1 */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - } - } else { - /* use LNA1 as main LNA */ - if ((antcomb->rssi_add > antcomb->rssi_lna2) && - (antcomb->rssi_add > antcomb->rssi_sub)) { - /* set to A+B */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_PLUS_LNA2; - } else if (antcomb->rssi_sub > - antcomb->rssi_lna1) { - /* set to A-B */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1_MINUS_LNA2; - } else { - /* set to LNA2 */ - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - } - } - break; - default: - break; - } - } else { - if (!antcomb->alt_good) { - antcomb->scan_not_start = false; - /* Set alt to another LNA */ - if (curr_main_set == ATH_ANT_DIV_COMB_LNA2) { - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - } else if (curr_main_set == ATH_ANT_DIV_COMB_LNA1) { - div_ant_conf.main_lna_conf = - ATH_ANT_DIV_COMB_LNA1; - div_ant_conf.alt_lna_conf = - ATH_ANT_DIV_COMB_LNA2; - } - goto div_comb_done; - } - } - - ath_select_ant_div_from_quick_scan(antcomb, &div_ant_conf, - main_rssi_avg, alt_rssi_avg, - alt_ratio); - - antcomb->quick_scan_cnt++; - -div_comb_done: - ath_ant_div_conf_fast_divbias(&div_ant_conf, antcomb, alt_ratio); - ath9k_hw_antdiv_comb_conf_set(sc->sc_ah, &div_ant_conf); - - antcomb->scan_start_time = jiffies; - antcomb->total_pkt_count = 0; - antcomb->main_total_rssi = 0; - antcomb->alt_total_rssi = 0; - antcomb->main_recv_cnt = 0; - antcomb->alt_recv_cnt = 0; -} - int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) { struct ath_buf *bf; From 781b14a3153a722fec820374271316537881076e Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:23:55 +0530 Subject: [PATCH 198/241] ath9k: Use atomic operations The 'sc_flags' variable is being used in a number of places with no locking whatsoever. This patch converts the usage of sc_flags to atomic ops. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ahb.c | 2 +- drivers/net/wireless/ath/ath9k/ath9k.h | 16 +++++----- drivers/net/wireless/ath/ath9k/beacon.c | 18 +++++------ drivers/net/wireless/ath/ath9k/debug.c | 6 ++-- drivers/net/wireless/ath/ath9k/link.c | 4 +-- drivers/net/wireless/ath/ath9k/main.c | 42 ++++++++++++------------- drivers/net/wireless/ath/ath9k/pci.c | 2 +- drivers/net/wireless/ath/ath9k/recv.c | 10 +++--- drivers/net/wireless/ath/ath9k/xmit.c | 2 +- 9 files changed, 52 insertions(+), 50 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/ahb.c b/drivers/net/wireless/ath/ath9k/ahb.c index 5e47ca6d16a8..4a4e8a2b9d2c 100644 --- a/drivers/net/wireless/ath/ath9k/ahb.c +++ b/drivers/net/wireless/ath/ath9k/ahb.c @@ -126,7 +126,7 @@ static int ath_ahb_probe(struct platform_device *pdev) sc->irq = irq; /* Will be cleared in ath9k_start() */ - sc->sc_flags |= SC_OP_INVALID; + set_bit(SC_OP_INVALID, &sc->sc_flags); ret = request_irq(irq, ath_isr, IRQF_SHARED, "ath9k", sc); if (ret) { diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index 4c2ce453af22..ae43de1cbb03 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -604,12 +604,14 @@ void ath_ant_comb_update(struct ath_softc *sc); #define ATH_TXPOWER_MAX 100 /* .5 dBm units */ #define ATH_RATE_DUMMY_MARKER 0 -#define SC_OP_INVALID BIT(0) -#define SC_OP_BEACONS BIT(1) -#define SC_OP_RXFLUSH BIT(2) -#define SC_OP_TSF_RESET BIT(3) -#define SC_OP_ANI_RUN BIT(4) -#define SC_OP_PRIM_STA_VIF BIT(5) +enum sc_op_flags { + SC_OP_INVALID, + SC_OP_BEACONS, + SC_OP_RXFLUSH, + SC_OP_TSF_RESET, + SC_OP_ANI_RUN, + SC_OP_PRIM_STA_VIF, +}; /* Powersave flags */ #define PS_WAIT_FOR_BEACON BIT(0) @@ -655,9 +657,9 @@ struct ath_softc { struct completion paprd_complete; unsigned int hw_busy_count; + unsigned long sc_flags; u32 intrstatus; - u32 sc_flags; /* SC_OP_* */ u16 ps_flags; /* PS_* */ u16 curtxpow; bool ps_enabled; diff --git a/drivers/net/wireless/ath/ath9k/beacon.c b/drivers/net/wireless/ath/ath9k/beacon.c index 70b802529123..40775da8941e 100644 --- a/drivers/net/wireless/ath/ath9k/beacon.c +++ b/drivers/net/wireless/ath/ath9k/beacon.c @@ -390,7 +390,7 @@ void ath_beacon_tasklet(unsigned long data) } else if (sc->beacon.bmisscnt >= BSTUCK_THRESH) { ath_dbg(common, BSTUCK, "beacon is officially stuck\n"); sc->beacon.bmisscnt = 0; - sc->sc_flags |= SC_OP_TSF_RESET; + set_bit(SC_OP_TSF_RESET, &sc->sc_flags); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); } @@ -480,16 +480,16 @@ static void ath9k_beacon_init(struct ath_softc *sc, u32 next_beacon, u32 beacon_period) { - if (sc->sc_flags & SC_OP_TSF_RESET) { + if (test_bit(SC_OP_TSF_RESET, &sc->sc_flags)) { ath9k_ps_wakeup(sc); ath9k_hw_reset_tsf(sc->sc_ah); } ath9k_hw_beaconinit(sc->sc_ah, next_beacon, beacon_period); - if (sc->sc_flags & SC_OP_TSF_RESET) { + if (test_bit(SC_OP_TSF_RESET, &sc->sc_flags)) { ath9k_ps_restore(sc); - sc->sc_flags &= ~SC_OP_TSF_RESET; + clear_bit(SC_OP_TSF_RESET, &sc->sc_flags); } } @@ -519,7 +519,7 @@ static void ath_beacon_config_ap(struct ath_softc *sc, /* Set the computed AP beacon timers */ ath9k_hw_disable_interrupts(ah); - sc->sc_flags |= SC_OP_TSF_RESET; + set_bit(SC_OP_TSF_RESET, &sc->sc_flags); ath9k_beacon_init(sc, nexttbtt, intval); sc->beacon.bmisscnt = 0; ath9k_hw_set_interrupts(ah); @@ -662,7 +662,7 @@ static void ath_beacon_config_adhoc(struct ath_softc *sc, u32 tsf, intval, nexttbtt; ath9k_reset_beacon_status(sc); - if (!(sc->sc_flags & SC_OP_BEACONS)) + if (!test_bit(SC_OP_BEACONS, &sc->sc_flags)) ath9k_hw_settsf64(ah, sc->beacon.bc_tstamp); intval = TU_TO_USEC(conf->beacon_interval); @@ -727,7 +727,7 @@ static bool ath9k_allow_beacon_config(struct ath_softc *sc, */ if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) && (vif->type == NL80211_IFTYPE_STATION) && - (sc->sc_flags & SC_OP_BEACONS) && + test_bit(SC_OP_BEACONS, &sc->sc_flags) && !avp->primary_sta_vif) { ath_dbg(common, CONFIG, "Beacon already configured for a station interface\n"); @@ -813,7 +813,7 @@ void ath_set_beacon(struct ath_softc *sc) return; } - sc->sc_flags |= SC_OP_BEACONS; + set_bit(SC_OP_BEACONS, &sc->sc_flags); } void ath9k_set_beaconing_status(struct ath_softc *sc, bool status) @@ -821,7 +821,7 @@ void ath9k_set_beaconing_status(struct ath_softc *sc, bool status) struct ath_hw *ah = sc->sc_ah; if (!ath_has_valid_bslot(sc)) { - sc->sc_flags &= ~SC_OP_BEACONS; + clear_bit(SC_OP_BEACONS, &sc->sc_flags); return; } diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index c134ddaa10a1..2831258d9507 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -205,10 +205,10 @@ static ssize_t write_file_disable_ani(struct file *file, common->disable_ani = !!disable_ani; if (disable_ani) { - sc->sc_flags &= ~SC_OP_ANI_RUN; + clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); del_timer_sync(&common->ani.timer); } else { - sc->sc_flags |= SC_OP_ANI_RUN; + set_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_start_ani(common); } @@ -1321,7 +1321,7 @@ static int open_file_bb_mac_samps(struct inode *inode, struct file *file) u8 chainmask = (ah->rxchainmask << 3) | ah->rxchainmask; u8 nread; - if (sc->sc_flags & SC_OP_INVALID) + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return -EAGAIN; buf = vmalloc(size); diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index 89b38a9ab7c5..0cc4c70f7f0c 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -155,7 +155,7 @@ void ath_start_rx_poll(struct ath_softc *sc, u8 nbeacon) if (!AR_SREV_9300(sc->sc_ah)) return; - if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) + if (!test_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags)) return; mod_timer(&sc->rx_poll_timer, jiffies + msecs_to_jiffies @@ -430,7 +430,7 @@ void ath_start_ani(struct ath_common *common) unsigned long timestamp = jiffies_to_msecs(jiffies); struct ath_softc *sc = (struct ath_softc *) common->priv; - if (!(sc->sc_flags & SC_OP_ANI_RUN)) + if (!test_bit(SC_OP_ANI_RUN, &sc->sc_flags)) return; if (sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 66f215ca9969..e4f7d0ea5f20 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -222,7 +222,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) ath9k_hw_enable_interrupts(ah); if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && start) { - if (sc->sc_flags & SC_OP_BEACONS) + if (test_bit(SC_OP_BEACONS, &sc->sc_flags)) ath_set_beacon(sc); ath_restart_work(sc); @@ -293,7 +293,7 @@ static int ath_set_channel(struct ath_softc *sc, struct ieee80211_hw *hw, { int r; - if (sc->sc_flags & SC_OP_INVALID) + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return -EIO; r = ath_reset_internal(sc, hchan, false); @@ -435,7 +435,7 @@ irqreturn_t ath_isr(int irq, void *dev) * touch anything. Note this can happen early * on if the IRQ is shared. */ - if (sc->sc_flags & SC_OP_INVALID) + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return IRQ_NONE; @@ -635,7 +635,7 @@ static int ath9k_start(struct ieee80211_hw *hw) ath_mci_enable(sc); - sc->sc_flags &= ~SC_OP_INVALID; + clear_bit(SC_OP_INVALID, &sc->sc_flags); sc->sc_ah->is_monitoring = false; if (!ath_complete_reset(sc, false)) { @@ -754,7 +754,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) ath_cancel_work(sc); del_timer_sync(&sc->rx_poll_timer); - if (sc->sc_flags & SC_OP_INVALID) { + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) { ath_dbg(common, ANY, "Device not present\n"); mutex_unlock(&sc->mutex); return; @@ -811,7 +811,7 @@ static void ath9k_stop(struct ieee80211_hw *hw) ath9k_ps_restore(sc); - sc->sc_flags |= SC_OP_INVALID; + set_bit(SC_OP_INVALID, &sc->sc_flags); sc->ps_idle = prev_idle; mutex_unlock(&sc->mutex); @@ -915,11 +915,11 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw, /* Set op-mode & TSF */ if (iter_data.naps > 0) { ath9k_hw_set_tsfadjust(ah, 1); - sc->sc_flags |= SC_OP_TSF_RESET; + set_bit(SC_OP_TSF_RESET, &sc->sc_flags); ah->opmode = NL80211_IFTYPE_AP; } else { ath9k_hw_set_tsfadjust(ah, 0); - sc->sc_flags &= ~SC_OP_TSF_RESET; + clear_bit(SC_OP_TSF_RESET, &sc->sc_flags); if (iter_data.nmeshes) ah->opmode = NL80211_IFTYPE_MESH_POINT; @@ -950,12 +950,12 @@ static void ath9k_calculate_summary_state(struct ieee80211_hw *hw, sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER; if (!common->disable_ani) { - sc->sc_flags |= SC_OP_ANI_RUN; + set_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_start_ani(common); } } else { - sc->sc_flags &= ~SC_OP_ANI_RUN; + clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); del_timer_sync(&common->ani.timer); } } @@ -1479,11 +1479,11 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif) * Skip iteration if primary station vif's bss info * was not changed */ - if (sc->sc_flags & SC_OP_PRIM_STA_VIF) + if (test_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags)) return; if (bss_conf->assoc) { - sc->sc_flags |= SC_OP_PRIM_STA_VIF; + set_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags); avp->primary_sta_vif = true; memcpy(common->curbssid, bss_conf->bssid, ETH_ALEN); common->curaid = bss_conf->aid; @@ -1504,7 +1504,7 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif) ath_start_rx_poll(sc, 3); if (!common->disable_ani) { - sc->sc_flags |= SC_OP_ANI_RUN; + set_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_start_ani(common); } @@ -1524,7 +1524,8 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif) if (avp->primary_sta_vif && !bss_conf->assoc) { ath_dbg(common, CONFIG, "Bss Info DISASSOC %d, bssid %pM\n", common->curaid, common->curbssid); - sc->sc_flags &= ~(SC_OP_PRIM_STA_VIF | SC_OP_BEACONS); + clear_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags); + clear_bit(SC_OP_BEACONS, &sc->sc_flags); avp->primary_sta_vif = false; memset(common->curbssid, 0, ETH_ALEN); common->curaid = 0; @@ -1537,10 +1538,9 @@ static void ath9k_config_bss(struct ath_softc *sc, struct ieee80211_vif *vif) * None of station vifs are associated. * Clear bssid & aid */ - if (!(sc->sc_flags & SC_OP_PRIM_STA_VIF)) { + if (!test_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags)) { ath9k_hw_write_associd(sc->sc_ah); - /* Stop ANI */ - sc->sc_flags &= ~SC_OP_ANI_RUN; + clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); del_timer_sync(&common->ani.timer); del_timer_sync(&sc->rx_poll_timer); memset(&sc->caldata, 0, sizeof(sc->caldata)); @@ -1578,12 +1578,12 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER; if (!common->disable_ani) { - sc->sc_flags |= SC_OP_ANI_RUN; + set_bit(SC_OP_ANI_RUN, &sc->sc_flags); ath_start_ani(common); } } else { - sc->sc_flags &= ~SC_OP_ANI_RUN; + clear_bit(SC_OP_ANI_RUN, &sc->sc_flags); del_timer_sync(&common->ani.timer); del_timer_sync(&sc->rx_poll_timer); } @@ -1595,7 +1595,7 @@ static void ath9k_bss_info_changed(struct ieee80211_hw *hw, */ if ((changed & BSS_CHANGED_BEACON_INT) && (vif->type == NL80211_IFTYPE_AP)) - sc->sc_flags |= SC_OP_TSF_RESET; + set_bit(SC_OP_TSF_RESET, &sc->sc_flags); /* Configure beaconing (AP, IBSS, MESH) */ if (ath9k_uses_beacons(vif->type) && @@ -1787,7 +1787,7 @@ static void ath9k_flush(struct ieee80211_hw *hw, bool drop) return; } - if (sc->sc_flags & SC_OP_INVALID) { + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) { ath_dbg(common, ANY, "Device not present\n"); mutex_unlock(&sc->mutex); return; diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c index 6ec9f88712d0..aa0e83ac51f4 100644 --- a/drivers/net/wireless/ath/ath9k/pci.c +++ b/drivers/net/wireless/ath/ath9k/pci.c @@ -251,7 +251,7 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) sc->mem = mem; /* Will be cleared in ath9k_start() */ - sc->sc_flags |= SC_OP_INVALID; + set_bit(SC_OP_INVALID, &sc->sc_flags); ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc); if (ret) { diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index c2f5fd1c8b87..b54e15941ba4 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -285,8 +285,8 @@ int ath_rx_init(struct ath_softc *sc, int nbufs) int error = 0; spin_lock_init(&sc->sc_pcu_lock); - sc->sc_flags &= ~SC_OP_RXFLUSH; spin_lock_init(&sc->rx.rxbuflock); + clear_bit(SC_OP_RXFLUSH, &sc->sc_flags); common->rx_bufsize = IEEE80211_MAX_MPDU_LEN / 2 + sc->sc_ah->caps.rx_status_len; @@ -498,11 +498,11 @@ bool ath_stoprecv(struct ath_softc *sc) void ath_flushrecv(struct ath_softc *sc) { - sc->sc_flags |= SC_OP_RXFLUSH; + set_bit(SC_OP_RXFLUSH, &sc->sc_flags); if (sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) ath_rx_tasklet(sc, 1, true); ath_rx_tasklet(sc, 1, false); - sc->sc_flags &= ~SC_OP_RXFLUSH; + clear_bit(SC_OP_RXFLUSH, &sc->sc_flags); } static bool ath_beacon_dtim_pending_cab(struct sk_buff *skb) @@ -1063,7 +1063,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) do { /* If handling rx interrupt and flush is in progress => exit */ - if ((sc->sc_flags & SC_OP_RXFLUSH) && (flush == 0)) + if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags) && (flush == 0)) break; memset(&rs, 0, sizeof(rs)); @@ -1108,7 +1108,7 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) * If we're asked to flush receive queue, directly * chain it back at the queue without processing it. */ - if (sc->sc_flags & SC_OP_RXFLUSH) { + if (test_bit(SC_OP_RXFLUSH, &sc->sc_flags)) { RX_STAT_INC(rx_drop_rxflush); goto requeue_drop_frag; } diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 6619a39b8c27..bb74780903d5 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1536,7 +1536,7 @@ bool ath_drain_all_txq(struct ath_softc *sc, bool retry_tx) int i; u32 npend = 0; - if (sc->sc_flags & SC_OP_INVALID) + if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return true; ath9k_hw_abort_tx_dma(ah); From b74713d04effbacd3d126ce94cec18742187b6ce Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:24:01 +0530 Subject: [PATCH 199/241] ath9k: Handle fatal interrupts properly When a fatal interrupt is received or it is detected that the baseband has hung, the chip has to be reset immediately. Otherwise, we end up processing spurious interrupts. Ensure that we bail out properly in the ISR when the reset work hasn't completed yet. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ath9k.h | 1 + drivers/net/wireless/ath/ath9k/main.c | 7 ++++++- 2 files changed, 7 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ath/ath9k/ath9k.h b/drivers/net/wireless/ath/ath9k/ath9k.h index ae43de1cbb03..02fc1c1e5eeb 100644 --- a/drivers/net/wireless/ath/ath9k/ath9k.h +++ b/drivers/net/wireless/ath/ath9k/ath9k.h @@ -611,6 +611,7 @@ enum sc_op_flags { SC_OP_TSF_RESET, SC_OP_ANI_RUN, SC_OP_PRIM_STA_VIF, + SC_OP_HW_RESET, }; /* Powersave flags */ diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index e4f7d0ea5f20..34d6f26c6bc7 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -218,6 +218,8 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) ath9k_cmn_update_txpow(ah, sc->curtxpow, sc->config.txpowlimit, &sc->curtxpow); + + clear_bit(SC_OP_HW_RESET, &sc->sc_flags); ath9k_hw_set_interrupts(ah); ath9k_hw_enable_interrupts(ah); @@ -362,6 +364,7 @@ void ath9k_tasklet(unsigned long data) RESET_STAT_INC(sc, type); #endif + set_bit(SC_OP_HW_RESET, &sc->sc_flags); ieee80211_queue_work(sc->hw, &sc->hw_reset_work); goto out; } @@ -438,12 +441,14 @@ irqreturn_t ath_isr(int irq, void *dev) if (test_bit(SC_OP_INVALID, &sc->sc_flags)) return IRQ_NONE; - /* shared irq, not for us */ if (!ath9k_hw_intrpend(ah)) return IRQ_NONE; + if(test_bit(SC_OP_HW_RESET, &sc->sc_flags)) + return IRQ_HANDLED; + /* * Figure out the reason(s) for the interrupt. Note * that the hal returns a pseudo-ISR that may include From 07c15a3ffd68ff1a3276daa26885b277f19e4abd Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:24:07 +0530 Subject: [PATCH 200/241] ath9k: Fix powersave locking The 'ps_flags' is used/accessed in a variety of contexts and requires proper locking. Use 'sc_pm_lock' appropriately. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 14 ++++++++++++-- drivers/net/wireless/ath/ath9k/recv.c | 13 ++++++------- drivers/net/wireless/ath/ath9k/xmit.c | 3 +++ 3 files changed, 21 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 34d6f26c6bc7..88f7ad106e05 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -345,7 +345,7 @@ void ath9k_tasklet(unsigned long data) struct ath_softc *sc = (struct ath_softc *)data; struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); - + unsigned long flags; u32 status = sc->intrstatus; u32 rxmask; @@ -369,6 +369,7 @@ void ath9k_tasklet(unsigned long data) goto out; } + spin_lock_irqsave(&sc->sc_pm_lock, flags); if ((status & ATH9K_INT_TSFOOR) && sc->ps_enabled) { /* * TSF sync does not look correct; remain awake to sync with @@ -377,6 +378,7 @@ void ath9k_tasklet(unsigned long data) ath_dbg(common, PS, "TSFOOR - Sync with next Beacon\n"); sc->ps_flags |= PS_WAIT_FOR_BEACON | PS_BEACON_SYNC; } + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); if (ah->caps.hw_caps & ATH9K_HW_CAP_EDMA) rxmask = (ATH9K_INT_RXHP | ATH9K_INT_RXLP | ATH9K_INT_RXEOL | @@ -526,8 +528,10 @@ irqreturn_t ath_isr(int irq, void *dev) /* Clear RxAbort bit so that we can * receive frames */ ath9k_setpower(sc, ATH9K_PM_AWAKE); + spin_lock(&sc->sc_pm_lock); ath9k_hw_setrxabort(sc->sc_ah, 0); sc->ps_flags |= PS_WAIT_FOR_BEACON; + spin_unlock(&sc->sc_pm_lock); } chip_reset: @@ -682,6 +686,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ath_tx_control txctl; struct ieee80211_hdr *hdr = (struct ieee80211_hdr *) skb->data; + unsigned long flags; if (sc->ps_enabled) { /* @@ -704,6 +709,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * completed and if needed, also for RX of buffered frames. */ ath9k_ps_wakeup(sc); + spin_lock_irqsave(&sc->sc_pm_lock, flags); if (!(sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_AUTOSLEEP)) ath9k_hw_setrxabort(sc->sc_ah, 0); if (ieee80211_is_pspoll(hdr->frame_control)) { @@ -719,6 +725,7 @@ static void ath9k_tx(struct ieee80211_hw *hw, struct sk_buff *skb) * the ps_flags bit is cleared. We are just dropping * the ps_usecount here. */ + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); ath9k_ps_restore(sc); } @@ -1479,7 +1486,7 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif) struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; struct ath_vif *avp = (void *)vif->drv_priv; - + unsigned long flags; /* * Skip iteration if primary station vif's bss info * was not changed @@ -1501,7 +1508,10 @@ static void ath9k_bss_iter(void *data, u8 *mac, struct ieee80211_vif *vif) * on the receipt of the first Beacon frame (i.e., * after time sync with the AP). */ + spin_lock_irqsave(&sc->sc_pm_lock, flags); sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON; + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); + /* Reset rssi stats */ sc->last_rssi = ATH_RSSI_DUMMY_MARKER; sc->sc_ah->stats.avgbrssi = ATH_RSSI_DUMMY_MARKER; diff --git a/drivers/net/wireless/ath/ath9k/recv.c b/drivers/net/wireless/ath/ath9k/recv.c index b54e15941ba4..fbdcc80437fe 100644 --- a/drivers/net/wireless/ath/ath9k/recv.c +++ b/drivers/net/wireless/ath/ath9k/recv.c @@ -587,13 +587,13 @@ static void ath_rx_ps(struct ath_softc *sc, struct sk_buff *skb, bool mybeacon) /* Process Beacon and CAB receive in PS state */ if (((sc->ps_flags & PS_WAIT_FOR_BEACON) || ath9k_check_auto_sleep(sc)) - && mybeacon) + && mybeacon) { ath_rx_ps_beacon(sc, skb); - else if ((sc->ps_flags & PS_WAIT_FOR_CAB) && - (ieee80211_is_data(hdr->frame_control) || - ieee80211_is_action(hdr->frame_control)) && - is_multicast_ether_addr(hdr->addr1) && - !ieee80211_has_moredata(hdr->frame_control)) { + } else if ((sc->ps_flags & PS_WAIT_FOR_CAB) && + (ieee80211_is_data(hdr->frame_control) || + ieee80211_is_action(hdr->frame_control)) && + is_multicast_ether_addr(hdr->addr1) && + !ieee80211_has_moredata(hdr->frame_control)) { /* * No more broadcast/multicast frames to be received at this * point. @@ -1229,7 +1229,6 @@ int ath_rx_tasklet(struct ath_softc *sc, int flush, bool hp) skb_trim(skb, skb->len - 8); spin_lock_irqsave(&sc->sc_pm_lock, flags); - if ((sc->ps_flags & (PS_WAIT_FOR_BEACON | PS_WAIT_FOR_CAB | PS_WAIT_FOR_PSPOLL_DATA)) || diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index bb74780903d5..f777ddcd1172 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -1994,6 +1994,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, struct ath_common *common = ath9k_hw_common(sc->sc_ah); struct ieee80211_hdr * hdr = (struct ieee80211_hdr *)skb->data; int q, padpos, padsize; + unsigned long flags; ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb); @@ -2012,6 +2013,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, skb_pull(skb, padsize); } + spin_lock_irqsave(&sc->sc_pm_lock, flags); if ((sc->ps_flags & PS_WAIT_FOR_TX_ACK) && !txq->axq_depth) { sc->ps_flags &= ~PS_WAIT_FOR_TX_ACK; ath_dbg(common, PS, @@ -2021,6 +2023,7 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, PS_WAIT_FOR_PSPOLL_DATA | PS_WAIT_FOR_TX_ACK)); } + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); q = skb_get_queue_mapping(skb); if (txq == sc->tx.txq_map[q]) { From 196fb860ceb6b937cbe608ea3ea0209bd4edf3b2 Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Mon, 4 Jun 2012 20:24:13 +0530 Subject: [PATCH 201/241] ath9k: Resync beacons properly After a chip reset, the beacon timers have to re-programmed correctly for a station in associated state. Use the PS flags to ensure that this is done after a TSF sync happens, otherwise the driver ends up using incorrect values for TBTT/DTIM in powersave mode. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/main.c | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index 88f7ad106e05..c0f478b0a9a2 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -210,6 +210,7 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) { struct ath_hw *ah = sc->sc_ah; struct ath_common *common = ath9k_hw_common(ah); + unsigned long flags; if (ath_startrecv(sc) != 0) { ath_err(common, "Unable to restart recv logic\n"); @@ -224,9 +225,18 @@ static bool ath_complete_reset(struct ath_softc *sc, bool start) ath9k_hw_enable_interrupts(ah); if (!(sc->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) && start) { - if (test_bit(SC_OP_BEACONS, &sc->sc_flags)) - ath_set_beacon(sc); + if (!test_bit(SC_OP_BEACONS, &sc->sc_flags)) + goto work; + + ath_set_beacon(sc); + if (ah->opmode == NL80211_IFTYPE_STATION && + test_bit(SC_OP_PRIM_STA_VIF, &sc->sc_flags)) { + spin_lock_irqsave(&sc->sc_pm_lock, flags); + sc->ps_flags |= PS_BEACON_SYNC | PS_WAIT_FOR_BEACON; + spin_unlock_irqrestore(&sc->sc_pm_lock, flags); + } + work: ath_restart_work(sc); } From 491b26b40222cc769c163e77177697dd7a63c316 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 14:21:14 +0200 Subject: [PATCH 202/241] wireless: update wireless URLs The preferred URL is http://wireless.kernel.org/ rather than http://linuxwireless.org/, update all URLs to point there. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- MAINTAINERS | 18 +++++++++--------- drivers/net/wireless/b43legacy/main.c | 2 +- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 55f0fda602ec..c5fd905206e7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -329,7 +329,7 @@ F: drivers/hwmon/adm1029.c ADM8211 WIRELESS DRIVER L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/ +W: http://wireless.kernel.org/ S: Orphan F: drivers/net/wireless/adm8211.* @@ -1423,7 +1423,7 @@ B43 WIRELESS DRIVER M: Stefano Brivio L: linux-wireless@vger.kernel.org L: b43-dev@lists.infradead.org -W: http://linuxwireless.org/en/users/Drivers/b43 +W: http://wireless.kernel.org/en/users/Drivers/b43 S: Maintained F: drivers/net/wireless/b43/ @@ -1432,7 +1432,7 @@ M: Larry Finger M: Stefano Brivio L: linux-wireless@vger.kernel.org L: b43-dev@lists.infradead.org -W: http://linuxwireless.org/en/users/Drivers/b43 +W: http://wireless.kernel.org/en/users/Drivers/b43 S: Maintained F: drivers/net/wireless/b43legacy/ @@ -4339,7 +4339,7 @@ F: arch/m68k/hp300/ MAC80211 M: Johannes Berg L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/ +W: http://wireless.kernel.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git S: Maintained F: Documentation/networking/mac80211-injection.txt @@ -4350,7 +4350,7 @@ MAC80211 PID RATE CONTROL M: Stefano Brivio M: Mattias Nissler L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/en/developers/Documentation/mac80211/RateControl/PID +W: http://wireless.kernel.org/en/developers/Documentation/mac80211/RateControl/PID T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git S: Maintained F: net/mac80211/rc80211_pid* @@ -5027,7 +5027,7 @@ F: fs/ocfs2/ ORINOCO DRIVER L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/en/users/Drivers/orinoco +W: http://wireless.kernel.org/en/users/Drivers/orinoco W: http://www.nongnu.org/orinoco/ S: Orphan F: drivers/net/wireless/orinoco/ @@ -5729,7 +5729,7 @@ F: net/rose/ RTL8180 WIRELESS DRIVER M: "John W. Linville" L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/ +W: http://wireless.kernel.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git S: Maintained F: drivers/net/wireless/rtl818x/rtl8180/ @@ -5739,7 +5739,7 @@ M: Herton Ronaldo Krzesinski M: Hin-Tak Leung M: Larry Finger L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/ +W: http://wireless.kernel.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git S: Maintained F: drivers/net/wireless/rtl818x/rtl8187/ @@ -5748,7 +5748,7 @@ RTL8192CE WIRELESS DRIVER M: Larry Finger M: Chaoming Li L: linux-wireless@vger.kernel.org -W: http://linuxwireless.org/ +W: http://wireless.kernel.org/ T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git S: Maintained F: drivers/net/wireless/rtlwifi/ diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c index cd9c9bc186d9..8b06ca56125e 100644 --- a/drivers/net/wireless/b43legacy/main.c +++ b/drivers/net/wireless/b43legacy/main.c @@ -1508,7 +1508,7 @@ static void b43legacy_release_firmware(struct b43legacy_wldev *dev) static void b43legacy_print_fw_helptext(struct b43legacy_wl *wl) { - b43legacyerr(wl, "You must go to http://linuxwireless.org/en/users/" + b43legacyerr(wl, "You must go to http://wireless.kernel.org/en/users/" "Drivers/b43#devicefirmware " "and download the correct firmware (version 3).\n"); } From 196ac1c13d4db6c276dbb1c9190c8d7d45a83f1f Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 14:28:40 +0200 Subject: [PATCH 203/241] mac80211: do remain-on-channel while idle The IDLE handling in HW off-channel is broken right now since we turn off IDLE only when the off-channel period already started. Therefore, all drivers that use it today (only iwlwifi!) must support off-channel while idle, so playing with idle isn't needed at all. Off-channel in general, since it's no longer used for authentication/association, shouldn't affect PS, so also remove that logic. Also document a small caveat for reporting TX status from off-channel frames in HW remain-on-channel. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- include/net/mac80211.h | 8 +++++++- net/mac80211/cfg.c | 7 +++---- net/mac80211/iface.c | 17 +++++++---------- net/mac80211/mlme.c | 6 ------ net/mac80211/offchannel.c | 4 ---- 5 files changed, 17 insertions(+), 25 deletions(-) diff --git a/include/net/mac80211.h b/include/net/mac80211.h index d2ed86da8e4c..6e700bf8d4a5 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2183,7 +2183,13 @@ enum ieee80211_rate_control_changed { * offload. Frames to transmit on the off-channel channel are transmitted * normally except for the %IEEE80211_TX_CTL_TX_OFFCHAN flag. When the * duration (which will always be non-zero) expires, the driver must call - * ieee80211_remain_on_channel_expired(). This callback may sleep. + * ieee80211_remain_on_channel_expired(). + * The driver must not call ieee80211_remain_on_channel_expired() before + * the TX status for a frame that was sent off-channel, otherwise the TX + * status is reported to userspace in an invalid way. + * Note that this callback may be called while the device is in IDLE and + * must be accepted in this case. + * This callback may sleep. * @cancel_remain_on_channel: Requests that an ongoing off-channel period is * aborted before it expires. This callback may sleep. * diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index d99359a6f76d..a16907919709 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2187,8 +2187,6 @@ static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, local->hw_roc_cookie = 0; local->hw_roc_channel = NULL; - ieee80211_recalc_idle(local); - return 0; } @@ -2248,7 +2246,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_work *wk; const struct ieee80211_mgmt *mgmt = (void *)buf; u32 flags; - bool is_offchan = false; + bool is_offchan = false, in_hw_roc = false; if (dont_wait_for_ack) flags = IEEE80211_TX_CTL_NO_ACK; @@ -2268,6 +2266,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, if (chan == local->hw_roc_channel) { /* TODO: check channel type? */ is_offchan = false; + in_hw_roc = true; flags |= IEEE80211_TX_CTL_TX_OFFCHAN; } @@ -2370,7 +2369,7 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, * wait is involved, we might otherwise not be on * the right channel for long enough! */ - if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { + if (!is_offchan && !wait && (in_hw_roc || !sdata->vif.bss_conf.idle)) { ieee80211_tx_skb(sdata, skb); return 0; } diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index ede5f4959904..968d71c50713 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -1456,7 +1456,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) { struct ieee80211_sub_if_data *sdata; int count = 0; - bool working = false, scanning = false, hw_roc = false; + bool working = false, scanning = false; struct ieee80211_work *wk; unsigned int led_trig_start = 0, led_trig_stop = 0; @@ -1493,9 +1493,11 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) count++; } - list_for_each_entry(wk, &local->work_list, list) { - working = true; - wk->sdata->vif.bss_conf.idle = false; + if (!local->ops->remain_on_channel) { + list_for_each_entry(wk, &local->work_list, list) { + working = true; + wk->sdata->vif.bss_conf.idle = false; + } } if (local->scan_sdata && @@ -1504,9 +1506,6 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) local->scan_sdata->vif.bss_conf.idle = false; } - if (local->hw_roc_channel) - hw_roc = true; - list_for_each_entry(sdata, &local->interfaces, list) { if (sdata->vif.type == NL80211_IFTYPE_MONITOR || sdata->vif.type == NL80211_IFTYPE_AP_VLAN) @@ -1518,7 +1517,7 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_IDLE); } - if (working || scanning || hw_roc) + if (working || scanning) led_trig_start |= IEEE80211_TPT_LEDTRIG_FL_WORK; else led_trig_stop |= IEEE80211_TPT_LEDTRIG_FL_WORK; @@ -1530,8 +1529,6 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) ieee80211_mod_tpt_led_trig(local, led_trig_start, led_trig_stop); - if (hw_roc) - return ieee80211_idle_off(local, "hw remain-on-channel"); if (working) return ieee80211_idle_off(local, "working"); if (scanning) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index e7c4ec4ce166..0f45d02e0ba7 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -930,11 +930,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) return; } - if (!list_empty(&local->work_list)) { - local->ps_sdata = NULL; - goto change; - } - list_for_each_entry(sdata, &local->interfaces, list) { if (!ieee80211_sdata_running(sdata)) continue; @@ -1007,7 +1002,6 @@ void ieee80211_recalc_ps(struct ieee80211_local *local, s32 latency) local->ps_sdata = NULL; } - change: ieee80211_change_ps(local); } diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 935aa4b6deee..8f482b15bc51 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -207,8 +207,6 @@ static void ieee80211_hw_roc_start(struct work_struct *work) GFP_KERNEL); } - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); } @@ -260,8 +258,6 @@ static void ieee80211_hw_roc_done(struct work_struct *work) local->hw_roc_channel = NULL; local->hw_roc_cookie = 0; - ieee80211_recalc_idle(local); - mutex_unlock(&local->mtx); } From 2eb278e083549f4eb29838037004054b3b55df62 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 14:28:42 +0200 Subject: [PATCH 204/241] mac80211: unify SW/offload remain-on-channel Redesign all the off-channel code, getting rid of the generic off-channel work concept, replacing it with a simple remain-on-channel list. This fixes a number of small issues with the ROC implementation: * offloaded remain-on-channel couldn't be queued, now we can queue it as well, if needed * in iwlwifi (the only user) offloaded ROC is mutually exclusive with scanning, use the new queue to handle that case -- I expect that it will later depend on a HW flag The bigger issue though is that there's a bad bug in the current implementation: if we get a mgmt TX request while HW roc is active, and this new request has a wait time, we actually schedule a software ROC instead since we can't guarantee the existing offloaded ROC will still be that long. To fix this, the queuing mechanism was needed. The queuing mechanism for offloaded ROC isn't yet optimal, ideally we should add API to have the HW extend the ROC if needed. We could add that later but for now use a software implementation. Overall, this unifies the behaviour between the offloaded and software-implemented case as much as possible. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- include/net/mac80211.h | 3 - net/mac80211/Makefile | 1 - net/mac80211/cfg.c | 478 ++++++++++++++++++++----------------- net/mac80211/ieee80211_i.h | 89 ++----- net/mac80211/iface.c | 23 +- net/mac80211/main.c | 10 +- net/mac80211/offchannel.c | 280 ++++++++++++++++++---- net/mac80211/scan.c | 4 +- net/mac80211/status.c | 28 +-- net/mac80211/work.c | 370 ---------------------------- 10 files changed, 532 insertions(+), 754 deletions(-) delete mode 100644 net/mac80211/work.c diff --git a/include/net/mac80211.h b/include/net/mac80211.h index 6e700bf8d4a5..d152f54064fd 100644 --- a/include/net/mac80211.h +++ b/include/net/mac80211.h @@ -2184,9 +2184,6 @@ enum ieee80211_rate_control_changed { * normally except for the %IEEE80211_TX_CTL_TX_OFFCHAN flag. When the * duration (which will always be non-zero) expires, the driver must call * ieee80211_remain_on_channel_expired(). - * The driver must not call ieee80211_remain_on_channel_expired() before - * the TX status for a frame that was sent off-channel, otherwise the TX - * status is reported to userspace in an invalid way. * Note that this callback may be called while the device is in IDLE and * must be accepted in this case. * This callback may sleep. diff --git a/net/mac80211/Makefile b/net/mac80211/Makefile index 3e9d931bba35..2b1470bac178 100644 --- a/net/mac80211/Makefile +++ b/net/mac80211/Makefile @@ -9,7 +9,6 @@ mac80211-y := \ scan.o offchannel.o \ ht.o agg-tx.o agg-rx.o \ ibss.o \ - work.o \ iface.o \ rate.o \ michael.o \ diff --git a/net/mac80211/cfg.c b/net/mac80211/cfg.c index a16907919709..498c94e34427 100644 --- a/net/mac80211/cfg.c +++ b/net/mac80211/cfg.c @@ -2112,35 +2112,171 @@ static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, return 0; } -static int ieee80211_remain_on_channel_hw(struct ieee80211_local *local, - struct net_device *dev, - struct ieee80211_channel *chan, - enum nl80211_channel_type chantype, - unsigned int duration, u64 *cookie) -{ +static int ieee80211_start_roc_work(struct ieee80211_local *local, + struct ieee80211_sub_if_data *sdata, + struct ieee80211_channel *channel, + enum nl80211_channel_type channel_type, + unsigned int duration, u64 *cookie, + struct sk_buff *txskb) +{ + struct ieee80211_roc_work *roc, *tmp; + bool queued = false; int ret; - u32 random_cookie; lockdep_assert_held(&local->mtx); - if (local->hw_roc_cookie) - return -EBUSY; - /* must be nonzero */ - random_cookie = random32() | 1; - - *cookie = random_cookie; - local->hw_roc_dev = dev; - local->hw_roc_cookie = random_cookie; - local->hw_roc_channel = chan; - local->hw_roc_channel_type = chantype; - local->hw_roc_duration = duration; - ret = drv_remain_on_channel(local, chan, chantype, duration); + roc = kzalloc(sizeof(*roc), GFP_KERNEL); + if (!roc) + return -ENOMEM; + + roc->chan = channel; + roc->chan_type = channel_type; + roc->duration = duration; + roc->req_duration = duration; + roc->frame = txskb; + roc->mgmt_tx_cookie = (unsigned long)txskb; + roc->sdata = sdata; + INIT_DELAYED_WORK(&roc->work, ieee80211_sw_roc_work); + INIT_LIST_HEAD(&roc->dependents); + + /* if there's one pending or we're scanning, queue this one */ + if (!list_empty(&local->roc_list) || local->scanning) + goto out_check_combine; + + /* if not HW assist, just queue & schedule work */ + if (!local->ops->remain_on_channel) { + ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); + goto out_queue; + } + + /* otherwise actually kick it off here (for error handling) */ + + /* + * If the duration is zero, then the driver + * wouldn't actually do anything. Set it to + * 10 for now. + * + * TODO: cancel the off-channel operation + * when we get the SKB's TX status and + * the wait time was zero before. + */ + if (!duration) + duration = 10; + + ret = drv_remain_on_channel(local, channel, channel_type, duration); if (ret) { - local->hw_roc_channel = NULL; - local->hw_roc_cookie = 0; + kfree(roc); + return ret; } - return ret; + roc->started = true; + goto out_queue; + + out_check_combine: + list_for_each_entry(tmp, &local->roc_list, list) { + if (tmp->chan != channel || tmp->chan_type != channel_type) + continue; + + /* + * Extend this ROC if possible: + * + * If it hasn't started yet, just increase the duration + * and add the new one to the list of dependents. + */ + if (!tmp->started) { + list_add_tail(&roc->list, &tmp->dependents); + tmp->duration = max(tmp->duration, roc->duration); + queued = true; + break; + } + + /* If it has already started, it's more difficult ... */ + if (local->ops->remain_on_channel) { + unsigned long j = jiffies; + + /* + * In the offloaded ROC case, if it hasn't begun, add + * this new one to the dependent list to be handled + * when the the master one begins. If it has begun, + * check that there's still a minimum time left and + * if so, start this one, transmitting the frame, but + * add it to the list directly after this one with a + * a reduced time so we'll ask the driver to execute + * it right after finishing the previous one, in the + * hope that it'll also be executed right afterwards, + * effectively extending the old one. + * If there's no minimum time left, just add it to the + * normal list. + */ + if (!tmp->hw_begun) { + list_add_tail(&roc->list, &tmp->dependents); + queued = true; + break; + } + + if (time_before(j + IEEE80211_ROC_MIN_LEFT, + tmp->hw_start_time + + msecs_to_jiffies(tmp->duration))) { + int new_dur; + + ieee80211_handle_roc_started(roc); + + new_dur = roc->duration - + jiffies_to_msecs(tmp->hw_start_time + + msecs_to_jiffies( + tmp->duration) - + j); + + if (new_dur > 0) { + /* add right after tmp */ + list_add(&roc->list, &tmp->list); + } else { + list_add_tail(&roc->list, + &tmp->dependents); + } + queued = true; + } + } else if (del_timer_sync(&tmp->work.timer)) { + unsigned long new_end; + + /* + * In the software ROC case, cancel the timer, if + * that fails then the finish work is already + * queued/pending and thus we queue the new ROC + * normally, if that succeeds then we can extend + * the timer duration and TX the frame (if any.) + */ + + list_add_tail(&roc->list, &tmp->dependents); + queued = true; + + new_end = jiffies + msecs_to_jiffies(roc->duration); + + /* ok, it was started & we canceled timer */ + if (time_after(new_end, tmp->work.timer.expires)) + mod_timer(&tmp->work.timer, new_end); + else + add_timer(&tmp->work.timer); + + ieee80211_handle_roc_started(roc); + } + break; + } + + out_queue: + if (!queued) + list_add_tail(&roc->list, &local->roc_list); + + /* + * cookie is either the roc (for normal roc) + * or the SKB (for mgmt TX) + */ + if (txskb) + *cookie = (unsigned long)txskb; + else + *cookie = (unsigned long)roc; + + return 0; } static int ieee80211_remain_on_channel(struct wiphy *wiphy, @@ -2152,84 +2288,76 @@ static int ieee80211_remain_on_channel(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; + int ret; - if (local->ops->remain_on_channel) { - int ret; - - mutex_lock(&local->mtx); - ret = ieee80211_remain_on_channel_hw(local, dev, - chan, channel_type, - duration, cookie); - local->hw_roc_for_tx = false; - mutex_unlock(&local->mtx); - - return ret; - } + mutex_lock(&local->mtx); + ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, + duration, cookie, NULL); + mutex_unlock(&local->mtx); - return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, - duration, cookie); + return ret; } -static int ieee80211_cancel_remain_on_channel_hw(struct ieee80211_local *local, - u64 cookie) +static int ieee80211_cancel_roc(struct ieee80211_local *local, + u64 cookie, bool mgmt_tx) { + struct ieee80211_roc_work *roc, *tmp, *found = NULL; int ret; - lockdep_assert_held(&local->mtx); + mutex_lock(&local->mtx); + list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { + if (!mgmt_tx && (unsigned long)roc != cookie) + continue; + else if (mgmt_tx && roc->mgmt_tx_cookie != cookie) + continue; - if (local->hw_roc_cookie != cookie) - return -ENOENT; + found = roc; + break; + } - ret = drv_cancel_remain_on_channel(local); - if (ret) - return ret; + if (!found) { + mutex_unlock(&local->mtx); + return -ENOENT; + } - local->hw_roc_cookie = 0; - local->hw_roc_channel = NULL; + if (local->ops->remain_on_channel) { + if (found->started) { + ret = drv_cancel_remain_on_channel(local); + if (WARN_ON_ONCE(ret)) { + mutex_unlock(&local->mtx); + return ret; + } + } - return 0; -} + list_del(&found->list); -static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, - struct net_device *dev, - u64 cookie) -{ - struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); - struct ieee80211_local *local = sdata->local; + ieee80211_run_deferred_scan(local); + ieee80211_start_next_roc(local); + mutex_unlock(&local->mtx); - if (local->ops->cancel_remain_on_channel) { - int ret; + ieee80211_roc_notify_destroy(found); + } else { + /* work may be pending so use it all the time */ + found->abort = true; + ieee80211_queue_delayed_work(&local->hw, &found->work, 0); - mutex_lock(&local->mtx); - ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); mutex_unlock(&local->mtx); - return ret; + /* work will clean up etc */ + flush_delayed_work(&found->work); } - return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); + return 0; } -static enum work_done_result -ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) +static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, + struct net_device *dev, + u64 cookie) { - /* - * Use the data embedded in the work struct for reporting - * here so if the driver mangled the SKB before dropping - * it (which is the only way we really should get here) - * then we don't report mangled data. - * - * If there was no wait time, then by the time we get here - * the driver will likely not have reported the status yet, - * so in that case userspace will have to deal with it. - */ - - if (wk->offchan_tx.wait && !wk->offchan_tx.status) - cfg80211_mgmt_tx_status(wk->sdata->dev, - (unsigned long) wk->offchan_tx.frame, - wk->data, wk->data_len, false, GFP_KERNEL); + struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); + struct ieee80211_local *local = sdata->local; - return WORK_DONE_DESTROY; + return ieee80211_cancel_roc(local, cookie, false); } static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, @@ -2243,10 +2371,10 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, struct ieee80211_local *local = sdata->local; struct sk_buff *skb; struct sta_info *sta; - struct ieee80211_work *wk; const struct ieee80211_mgmt *mgmt = (void *)buf; + bool need_offchan = false; u32 flags; - bool is_offchan = false, in_hw_roc = false; + int ret; if (dont_wait_for_ack) flags = IEEE80211_TX_CTL_NO_ACK; @@ -2254,34 +2382,28 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | IEEE80211_TX_CTL_REQ_TX_STATUS; - /* Check that we are on the requested channel for transmission */ - if (chan != local->tmp_channel && - chan != local->oper_channel) - is_offchan = true; - if (channel_type_valid && - (channel_type != local->tmp_channel_type && - channel_type != local->_oper_channel_type)) - is_offchan = true; - - if (chan == local->hw_roc_channel) { - /* TODO: check channel type? */ - is_offchan = false; - in_hw_roc = true; - flags |= IEEE80211_TX_CTL_TX_OFFCHAN; - } - if (no_cck) flags |= IEEE80211_TX_CTL_NO_CCK_RATE; - if (is_offchan && !offchan) - return -EBUSY; - switch (sdata->vif.type) { case NL80211_IFTYPE_ADHOC: + if (!sdata->vif.bss_conf.ibss_joined) + need_offchan = true; + /* fall through */ +#ifdef CONFIG_MAC80211_MESH + case NL80211_IFTYPE_MESH_POINT: + if (ieee80211_vif_is_mesh(&sdata->vif) && + !sdata->u.mesh.mesh_id_len) + need_offchan = true; + /* fall through */ +#endif case NL80211_IFTYPE_AP: case NL80211_IFTYPE_AP_VLAN: case NL80211_IFTYPE_P2P_GO: - case NL80211_IFTYPE_MESH_POINT: + if (sdata->vif.type != NL80211_IFTYPE_ADHOC && + !ieee80211_vif_is_mesh(&sdata->vif) && + !rcu_access_pointer(sdata->bss->beacon)) + need_offchan = true; if (!ieee80211_is_action(mgmt->frame_control) || mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) break; @@ -2293,105 +2415,60 @@ static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, break; case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_P2P_CLIENT: + if (!sdata->u.mgd.associated) + need_offchan = true; break; default: return -EOPNOTSUPP; } + mutex_lock(&local->mtx); + + /* Check if the operating channel is the requested channel */ + if (!need_offchan) { + need_offchan = chan != local->oper_channel; + if (channel_type_valid && + channel_type != local->_oper_channel_type) + need_offchan = true; + } + + if (need_offchan && !offchan) { + ret = -EBUSY; + goto out_unlock; + } + skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); - if (!skb) - return -ENOMEM; + if (!skb) { + ret = -ENOMEM; + goto out_unlock; + } skb_reserve(skb, local->hw.extra_tx_headroom); memcpy(skb_put(skb, len), buf, len); IEEE80211_SKB_CB(skb)->flags = flags; - if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL && - flags & IEEE80211_TX_CTL_TX_OFFCHAN) - IEEE80211_SKB_CB(skb)->hw_queue = - local->hw.offchannel_tx_hw_queue; - skb->dev = sdata->dev; - *cookie = (unsigned long) skb; - - if (is_offchan && local->ops->remain_on_channel) { - unsigned int duration; - int ret; - - mutex_lock(&local->mtx); - /* - * If the duration is zero, then the driver - * wouldn't actually do anything. Set it to - * 100 for now. - * - * TODO: cancel the off-channel operation - * when we get the SKB's TX status and - * the wait time was zero before. - */ - duration = 100; - if (wait) - duration = wait; - ret = ieee80211_remain_on_channel_hw(local, dev, chan, - channel_type, - duration, cookie); - if (ret) { - kfree_skb(skb); - mutex_unlock(&local->mtx); - return ret; - } - - local->hw_roc_for_tx = true; - local->hw_roc_duration = wait; - - /* - * queue up frame for transmission after - * ieee80211_ready_on_channel call - */ - - /* modify cookie to prevent API mismatches */ - *cookie ^= 2; - IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; - if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) - IEEE80211_SKB_CB(skb)->hw_queue = - local->hw.offchannel_tx_hw_queue; - local->hw_roc_skb = skb; - local->hw_roc_skb_for_status = skb; - mutex_unlock(&local->mtx); - - return 0; - } - - /* - * Can transmit right away if the channel was the - * right one and there's no wait involved... If a - * wait is involved, we might otherwise not be on - * the right channel for long enough! - */ - if (!is_offchan && !wait && (in_hw_roc || !sdata->vif.bss_conf.idle)) { + if (!need_offchan) { ieee80211_tx_skb(sdata, skb); - return 0; - } - - wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); - if (!wk) { - kfree_skb(skb); - return -ENOMEM; + ret = 0; + goto out_unlock; } - wk->type = IEEE80211_WORK_OFFCHANNEL_TX; - wk->chan = chan; - wk->chan_type = channel_type; - wk->sdata = sdata; - wk->done = ieee80211_offchan_tx_done; - wk->offchan_tx.frame = skb; - wk->offchan_tx.wait = wait; - wk->data_len = len; - memcpy(wk->data, buf, len); + IEEE80211_SKB_CB(skb)->flags |= IEEE80211_TX_CTL_TX_OFFCHAN; + if (local->hw.flags & IEEE80211_HW_QUEUE_CONTROL) + IEEE80211_SKB_CB(skb)->hw_queue = + local->hw.offchannel_tx_hw_queue; - ieee80211_add_work(wk); - return 0; + /* This will handle all kinds of coalescing and immediate TX */ + ret = ieee80211_start_roc_work(local, sdata, chan, channel_type, + wait, cookie, skb); + if (ret) + kfree_skb(skb); + out_unlock: + mutex_unlock(&local->mtx); + return ret; } static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, @@ -2400,45 +2477,8 @@ static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, { struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); struct ieee80211_local *local = sdata->local; - struct ieee80211_work *wk; - int ret = -ENOENT; - mutex_lock(&local->mtx); - - if (local->ops->cancel_remain_on_channel) { - cookie ^= 2; - ret = ieee80211_cancel_remain_on_channel_hw(local, cookie); - - if (ret == 0) { - kfree_skb(local->hw_roc_skb); - local->hw_roc_skb = NULL; - local->hw_roc_skb_for_status = NULL; - } - - mutex_unlock(&local->mtx); - - return ret; - } - - list_for_each_entry(wk, &local->work_list, list) { - if (wk->sdata != sdata) - continue; - - if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) - continue; - - if (cookie != (unsigned long) wk->offchan_tx.frame) - continue; - - wk->timeout = jiffies; - - ieee80211_queue_work(&local->hw, &local->work_work); - ret = 0; - break; - } - mutex_unlock(&local->mtx); - - return ret; + return ieee80211_cancel_roc(local, cookie, true); } static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, diff --git a/net/mac80211/ieee80211_i.h b/net/mac80211/ieee80211_i.h index 8c026abcb8d9..e6cbf5b68c89 100644 --- a/net/mac80211/ieee80211_i.h +++ b/net/mac80211/ieee80211_i.h @@ -317,55 +317,30 @@ struct mesh_preq_queue { u8 flags; }; -enum ieee80211_work_type { - IEEE80211_WORK_ABORT, - IEEE80211_WORK_REMAIN_ON_CHANNEL, - IEEE80211_WORK_OFFCHANNEL_TX, -}; - -/** - * enum work_done_result - indicates what to do after work was done - * - * @WORK_DONE_DESTROY: This work item is no longer needed, destroy. - * @WORK_DONE_REQUEUE: This work item was reset to be reused, and - * should be requeued. - */ -enum work_done_result { - WORK_DONE_DESTROY, - WORK_DONE_REQUEUE, -}; +#if HZ/100 == 0 +#define IEEE80211_ROC_MIN_LEFT 1 +#else +#define IEEE80211_ROC_MIN_LEFT (HZ/100) +#endif -struct ieee80211_work { +struct ieee80211_roc_work { struct list_head list; + struct list_head dependents; - struct rcu_head rcu_head; + struct delayed_work work; struct ieee80211_sub_if_data *sdata; - enum work_done_result (*done)(struct ieee80211_work *wk, - struct sk_buff *skb); - struct ieee80211_channel *chan; enum nl80211_channel_type chan_type; - unsigned long timeout; - enum ieee80211_work_type type; + bool started, abort, hw_begun, notified; - bool started; + unsigned long hw_start_time; - union { - struct { - u32 duration; - } remain; - struct { - struct sk_buff *frame; - u32 wait; - bool status; - } offchan_tx; - }; - - size_t data_len; - u8 data[]; + u32 duration, req_duration; + struct sk_buff *frame; + u64 mgmt_tx_cookie; }; /* flags used in struct ieee80211_if_managed.flags */ @@ -847,13 +822,6 @@ struct ieee80211_local { const struct ieee80211_ops *ops; - /* - * work stuff, potentially off-channel (in the future) - */ - struct list_head work_list; - struct timer_list work_timer; - struct work_struct work_work; - /* * private workqueue to mac80211. mac80211 makes this accessible * via ieee80211_queue_work() @@ -1088,14 +1056,12 @@ struct ieee80211_local { } debugfs; #endif - struct ieee80211_channel *hw_roc_channel; - struct net_device *hw_roc_dev; - struct sk_buff *hw_roc_skb, *hw_roc_skb_for_status; + /* + * Remain-on-channel support + */ + struct list_head roc_list; struct work_struct hw_roc_start, hw_roc_done; - enum nl80211_channel_type hw_roc_channel_type; - unsigned int hw_roc_duration; - u32 hw_roc_cookie; - bool hw_roc_for_tx; + unsigned long hw_roc_start_time; struct idr ack_status_frames; spinlock_t ack_status_lock; @@ -1291,7 +1257,12 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local, bool offchannel_ps_enable); void ieee80211_offchannel_return(struct ieee80211_local *local, bool offchannel_ps_disable); -void ieee80211_hw_roc_setup(struct ieee80211_local *local); +void ieee80211_roc_setup(struct ieee80211_local *local); +void ieee80211_start_next_roc(struct ieee80211_local *local); +void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata); +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc); +void ieee80211_sw_roc_work(struct work_struct *work); +void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc); /* interface handling */ int ieee80211_iface_init(void); @@ -1501,18 +1472,6 @@ u8 *ieee80211_ie_build_ht_oper(u8 *pos, struct ieee80211_sta_ht_cap *ht_cap, enum nl80211_channel_type channel_type, u16 prot_mode); -/* internal work items */ -void ieee80211_work_init(struct ieee80211_local *local); -void ieee80211_add_work(struct ieee80211_work *wk); -void free_work(struct ieee80211_work *wk); -void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata); -int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, u64 *cookie); -int ieee80211_wk_cancel_remain_on_channel( - struct ieee80211_sub_if_data *sdata, u64 cookie); - /* channel management */ enum ieee80211_chan_mode { CHAN_MODE_UNDEFINED, diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c index 968d71c50713..87aeb4f21ffd 100644 --- a/net/mac80211/iface.c +++ b/net/mac80211/iface.c @@ -528,10 +528,7 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, */ netif_tx_stop_all_queues(sdata->dev); - /* - * Purge work for this interface. - */ - ieee80211_work_purge(sdata); + ieee80211_roc_purge(sdata); /* * Remove all stations associated with this interface. @@ -637,18 +634,6 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata, ieee80211_configure_filter(local); break; default: - mutex_lock(&local->mtx); - if (local->hw_roc_dev == sdata->dev && - local->hw_roc_channel) { - /* ignore return value since this is racy */ - drv_cancel_remain_on_channel(local); - ieee80211_queue_work(&local->hw, &local->hw_roc_done); - } - mutex_unlock(&local->mtx); - - flush_work(&local->hw_roc_start); - flush_work(&local->hw_roc_done); - flush_work(&sdata->work); /* * When we get here, the interface is marked down. @@ -1457,8 +1442,8 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) struct ieee80211_sub_if_data *sdata; int count = 0; bool working = false, scanning = false; - struct ieee80211_work *wk; unsigned int led_trig_start = 0, led_trig_stop = 0; + struct ieee80211_roc_work *roc; #ifdef CONFIG_PROVE_LOCKING WARN_ON(debug_locks && !lockdep_rtnl_is_held() && @@ -1494,9 +1479,9 @@ u32 __ieee80211_recalc_idle(struct ieee80211_local *local) } if (!local->ops->remain_on_channel) { - list_for_each_entry(wk, &local->work_list, list) { + list_for_each_entry(roc, &local->roc_list, list) { working = true; - wk->sdata->vif.bss_conf.idle = false; + roc->sdata->vif.bss_conf.idle = false; } } diff --git a/net/mac80211/main.c b/net/mac80211/main.c index 779ac613ee57..d81c178c7712 100644 --- a/net/mac80211/main.c +++ b/net/mac80211/main.c @@ -625,8 +625,6 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, INIT_DELAYED_WORK(&local->scan_work, ieee80211_scan_work); - ieee80211_work_init(local); - INIT_WORK(&local->restart_work, ieee80211_restart_work); INIT_WORK(&local->reconfig_filter, ieee80211_reconfig_filter); @@ -669,7 +667,7 @@ struct ieee80211_hw *ieee80211_alloc_hw(size_t priv_data_len, ieee80211_led_names(local); - ieee80211_hw_roc_setup(local); + ieee80211_roc_setup(local); return &local->hw; } @@ -1016,12 +1014,6 @@ void ieee80211_unregister_hw(struct ieee80211_hw *hw) rtnl_unlock(); - /* - * Now all work items will be gone, but the - * timer might still be armed, so delete it - */ - del_timer_sync(&local->work_timer); - cancel_work_sync(&local->restart_work); cancel_work_sync(&local->reconfig_filter); diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c index 8f482b15bc51..abb226dc4753 100644 --- a/net/mac80211/offchannel.c +++ b/net/mac80211/offchannel.c @@ -16,6 +16,7 @@ #include #include "ieee80211_i.h" #include "driver-trace.h" +#include "driver-ops.h" /* * Tell our hardware to disable PS. @@ -181,32 +182,58 @@ void ieee80211_offchannel_return(struct ieee80211_local *local, mutex_unlock(&local->iflist_mtx); } +void ieee80211_handle_roc_started(struct ieee80211_roc_work *roc) +{ + if (roc->notified) + return; + + if (roc->mgmt_tx_cookie) { + if (!WARN_ON(!roc->frame)) { + ieee80211_tx_skb(roc->sdata, roc->frame); + roc->frame = NULL; + } + } else { + cfg80211_ready_on_channel(roc->sdata->dev, (unsigned long)roc, + roc->chan, roc->chan_type, + roc->req_duration, GFP_KERNEL); + } + + roc->notified = true; +} + static void ieee80211_hw_roc_start(struct work_struct *work) { struct ieee80211_local *local = container_of(work, struct ieee80211_local, hw_roc_start); - struct ieee80211_sub_if_data *sdata; + struct ieee80211_roc_work *roc, *dep, *tmp; mutex_lock(&local->mtx); - if (!local->hw_roc_channel) { - mutex_unlock(&local->mtx); - return; - } + if (list_empty(&local->roc_list)) + goto out_unlock; - if (local->hw_roc_skb) { - sdata = IEEE80211_DEV_TO_SUB_IF(local->hw_roc_dev); - ieee80211_tx_skb(sdata, local->hw_roc_skb); - local->hw_roc_skb = NULL; - } else { - cfg80211_ready_on_channel(local->hw_roc_dev, - local->hw_roc_cookie, - local->hw_roc_channel, - local->hw_roc_channel_type, - local->hw_roc_duration, - GFP_KERNEL); - } + roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work, + list); + + if (!roc->started) + goto out_unlock; + + roc->hw_begun = true; + roc->hw_start_time = local->hw_roc_start_time; + ieee80211_handle_roc_started(roc); + list_for_each_entry_safe(dep, tmp, &roc->dependents, list) { + ieee80211_handle_roc_started(dep); + + if (dep->duration > roc->duration) { + u32 dur = dep->duration; + dep->duration = dur - roc->duration; + roc->duration = dur; + list_del(&dep->list); + list_add(&dep->list, &roc->list); + } + } + out_unlock: mutex_unlock(&local->mtx); } @@ -214,50 +241,179 @@ void ieee80211_ready_on_channel(struct ieee80211_hw *hw) { struct ieee80211_local *local = hw_to_local(hw); + local->hw_roc_start_time = jiffies; + trace_api_ready_on_channel(local); ieee80211_queue_work(hw, &local->hw_roc_start); } EXPORT_SYMBOL_GPL(ieee80211_ready_on_channel); -static void ieee80211_hw_roc_done(struct work_struct *work) +void ieee80211_start_next_roc(struct ieee80211_local *local) { - struct ieee80211_local *local = - container_of(work, struct ieee80211_local, hw_roc_done); + struct ieee80211_roc_work *roc; - mutex_lock(&local->mtx); + lockdep_assert_held(&local->mtx); - if (!local->hw_roc_channel) { - mutex_unlock(&local->mtx); + if (list_empty(&local->roc_list)) { + ieee80211_run_deferred_scan(local); return; } - /* was never transmitted */ - if (local->hw_roc_skb) { - u64 cookie; + roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work, + list); - cookie = local->hw_roc_cookie ^ 2; + if (local->ops->remain_on_channel) { + int ret, duration = roc->duration; - cfg80211_mgmt_tx_status(local->hw_roc_dev, cookie, - local->hw_roc_skb->data, - local->hw_roc_skb->len, false, - GFP_KERNEL); + /* XXX: duplicated, see ieee80211_start_roc_work() */ + if (!duration) + duration = 10; - kfree_skb(local->hw_roc_skb); - local->hw_roc_skb = NULL; - local->hw_roc_skb_for_status = NULL; + ret = drv_remain_on_channel(local, roc->chan, + roc->chan_type, + duration); + + roc->started = true; + + if (ret) { + wiphy_warn(local->hw.wiphy, + "failed to start next HW ROC (%d)\n", ret); + /* + * queue the work struct again to avoid recursion + * when multiple failures occur + */ + ieee80211_remain_on_channel_expired(&local->hw); + } + } else { + /* delay it a bit */ + ieee80211_queue_delayed_work(&local->hw, &roc->work, + round_jiffies_relative(HZ/2)); + } +} + +void ieee80211_roc_notify_destroy(struct ieee80211_roc_work *roc) +{ + struct ieee80211_roc_work *dep, *tmp; + + /* was never transmitted */ + if (roc->frame) { + cfg80211_mgmt_tx_status(roc->sdata->dev, + (unsigned long)roc->frame, + roc->frame->data, roc->frame->len, + false, GFP_KERNEL); + kfree_skb(roc->frame); } - if (!local->hw_roc_for_tx) - cfg80211_remain_on_channel_expired(local->hw_roc_dev, - local->hw_roc_cookie, - local->hw_roc_channel, - local->hw_roc_channel_type, + if (!roc->mgmt_tx_cookie) + cfg80211_remain_on_channel_expired(roc->sdata->dev, + (unsigned long)roc, + roc->chan, roc->chan_type, GFP_KERNEL); - local->hw_roc_channel = NULL; - local->hw_roc_cookie = 0; + list_for_each_entry_safe(dep, tmp, &roc->dependents, list) + ieee80211_roc_notify_destroy(dep); + + kfree(roc); +} + +void ieee80211_sw_roc_work(struct work_struct *work) +{ + struct ieee80211_roc_work *roc = + container_of(work, struct ieee80211_roc_work, work.work); + struct ieee80211_sub_if_data *sdata = roc->sdata; + struct ieee80211_local *local = sdata->local; + + mutex_lock(&local->mtx); + + if (roc->abort) + goto finish; + + if (WARN_ON(list_empty(&local->roc_list))) + goto out_unlock; + + if (WARN_ON(roc != list_first_entry(&local->roc_list, + struct ieee80211_roc_work, + list))) + goto out_unlock; + + if (!roc->started) { + struct ieee80211_roc_work *dep; + + /* start this ROC */ + /* switch channel etc */ + ieee80211_recalc_idle(local); + + local->tmp_channel = roc->chan; + local->tmp_channel_type = roc->chan_type; + ieee80211_hw_config(local, 0); + + /* tell userspace or send frame */ + ieee80211_handle_roc_started(roc); + list_for_each_entry(dep, &roc->dependents, list) + ieee80211_handle_roc_started(dep); + + /* if it was pure TX, just finish right away */ + if (!roc->duration) + goto finish; + + roc->started = true; + ieee80211_queue_delayed_work(&local->hw, &roc->work, + msecs_to_jiffies(roc->duration)); + } else { + /* finish this ROC */ + finish: + list_del(&roc->list); + ieee80211_roc_notify_destroy(roc); + + if (roc->started) { + drv_flush(local, false); + + local->tmp_channel = NULL; + ieee80211_hw_config(local, 0); + + ieee80211_offchannel_return(local, true); + } + + ieee80211_recalc_idle(local); + + ieee80211_start_next_roc(local); + ieee80211_run_deferred_scan(local); + } + + out_unlock: + mutex_unlock(&local->mtx); +} + +static void ieee80211_hw_roc_done(struct work_struct *work) +{ + struct ieee80211_local *local = + container_of(work, struct ieee80211_local, hw_roc_done); + struct ieee80211_roc_work *roc; + + mutex_lock(&local->mtx); + + if (list_empty(&local->roc_list)) + goto out_unlock; + + roc = list_first_entry(&local->roc_list, struct ieee80211_roc_work, + list); + + if (!roc->started) + goto out_unlock; + + list_del(&roc->list); + + ieee80211_roc_notify_destroy(roc); + + /* if there's another roc, start it now */ + ieee80211_start_next_roc(local); + + /* or scan maybe */ + ieee80211_run_deferred_scan(local); + + out_unlock: mutex_unlock(&local->mtx); } @@ -271,8 +427,48 @@ void ieee80211_remain_on_channel_expired(struct ieee80211_hw *hw) } EXPORT_SYMBOL_GPL(ieee80211_remain_on_channel_expired); -void ieee80211_hw_roc_setup(struct ieee80211_local *local) +void ieee80211_roc_setup(struct ieee80211_local *local) { INIT_WORK(&local->hw_roc_start, ieee80211_hw_roc_start); INIT_WORK(&local->hw_roc_done, ieee80211_hw_roc_done); + INIT_LIST_HEAD(&local->roc_list); +} + +void ieee80211_roc_purge(struct ieee80211_sub_if_data *sdata) +{ + struct ieee80211_local *local = sdata->local; + struct ieee80211_roc_work *roc, *tmp; + LIST_HEAD(tmp_list); + + mutex_lock(&local->mtx); + list_for_each_entry_safe(roc, tmp, &local->roc_list, list) { + if (roc->sdata != sdata) + continue; + + if (roc->started && local->ops->remain_on_channel) { + /* can race, so ignore return value */ + drv_cancel_remain_on_channel(local); + } + + list_move_tail(&roc->list, &tmp_list); + roc->abort = true; + } + + ieee80211_start_next_roc(local); + ieee80211_run_deferred_scan(local); + mutex_unlock(&local->mtx); + + list_for_each_entry_safe(roc, tmp, &tmp_list, list) { + if (local->ops->remain_on_channel) { + list_del(&roc->list); + ieee80211_roc_notify_destroy(roc); + } else { + ieee80211_queue_delayed_work(&local->hw, &roc->work, 0); + + /* work will clean up etc */ + flush_delayed_work(&roc->work); + } + } + + WARN_ON_ONCE(!list_empty(&tmp_list)); } diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c index 169da0742c81..379f178eab5f 100644 --- a/net/mac80211/scan.c +++ b/net/mac80211/scan.c @@ -323,7 +323,7 @@ static void __ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted, ieee80211_mlme_notify_scan_completed(local); ieee80211_ibss_notify_scan_completed(local); ieee80211_mesh_notify_scan_completed(local); - ieee80211_queue_work(&local->hw, &local->work_work); + ieee80211_start_next_roc(local); } void ieee80211_scan_completed(struct ieee80211_hw *hw, bool aborted) @@ -376,7 +376,7 @@ static int ieee80211_start_sw_scan(struct ieee80211_local *local) static bool ieee80211_can_scan(struct ieee80211_local *local, struct ieee80211_sub_if_data *sdata) { - if (!list_empty(&local->work_list)) + if (!list_empty(&local->roc_list)) return false; if (sdata->vif.type == NL80211_IFTYPE_STATION && diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 63a769015068..6b4f42527887 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -520,36 +520,16 @@ void ieee80211_tx_status(struct ieee80211_hw *hw, struct sk_buff *skb) if (info->flags & IEEE80211_TX_INTFL_NL80211_FRAME_TX) { u64 cookie = (unsigned long)skb; + acked = info->flags & IEEE80211_TX_STAT_ACK; if (ieee80211_is_nullfunc(hdr->frame_control) || - ieee80211_is_qos_nullfunc(hdr->frame_control)) { - acked = info->flags & IEEE80211_TX_STAT_ACK; - + ieee80211_is_qos_nullfunc(hdr->frame_control)) cfg80211_probe_status(skb->dev, hdr->addr1, cookie, acked, GFP_ATOMIC); - } else { - struct ieee80211_work *wk; - - rcu_read_lock(); - list_for_each_entry_rcu(wk, &local->work_list, list) { - if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) - continue; - if (wk->offchan_tx.frame != skb) - continue; - wk->offchan_tx.status = true; - break; - } - rcu_read_unlock(); - if (local->hw_roc_skb_for_status == skb) { - cookie = local->hw_roc_cookie ^ 2; - local->hw_roc_skb_for_status = NULL; - } - + else cfg80211_mgmt_tx_status( skb->dev, cookie, skb->data, skb->len, - !!(info->flags & IEEE80211_TX_STAT_ACK), - GFP_ATOMIC); - } + acked, GFP_ATOMIC); } if (unlikely(info->ack_frame_id)) { diff --git a/net/mac80211/work.c b/net/mac80211/work.c deleted file mode 100644 index b2650a9d45ff..000000000000 --- a/net/mac80211/work.c +++ /dev/null @@ -1,370 +0,0 @@ -/* - * mac80211 work implementation - * - * Copyright 2003-2008, Jouni Malinen - * Copyright 2004, Instant802 Networks, Inc. - * Copyright 2005, Devicescape Software, Inc. - * Copyright 2006-2007 Jiri Benc - * Copyright 2007, Michael Wu - * Copyright 2009, Johannes Berg - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include "ieee80211_i.h" -#include "rate.h" -#include "driver-ops.h" - -enum work_action { - WORK_ACT_NONE, - WORK_ACT_TIMEOUT, -}; - - -/* utils */ -static inline void ASSERT_WORK_MTX(struct ieee80211_local *local) -{ - lockdep_assert_held(&local->mtx); -} - -/* - * We can have multiple work items (and connection probing) - * scheduling this timer, but we need to take care to only - * reschedule it when it should fire _earlier_ than it was - * asked for before, or if it's not pending right now. This - * function ensures that. Note that it then is required to - * run this function for all timeouts after the first one - * has happened -- the work that runs from this timer will - * do that. - */ -static void run_again(struct ieee80211_local *local, - unsigned long timeout) -{ - ASSERT_WORK_MTX(local); - - if (!timer_pending(&local->work_timer) || - time_before(timeout, local->work_timer.expires)) - mod_timer(&local->work_timer, timeout); -} - -void free_work(struct ieee80211_work *wk) -{ - kfree_rcu(wk, rcu_head); -} - -static enum work_action __must_check -ieee80211_remain_on_channel_timeout(struct ieee80211_work *wk) -{ - /* - * First time we run, do nothing -- the generic code will - * have switched to the right channel etc. - */ - if (!wk->started) { - wk->timeout = jiffies + msecs_to_jiffies(wk->remain.duration); - - cfg80211_ready_on_channel(wk->sdata->dev, (unsigned long) wk, - wk->chan, wk->chan_type, - wk->remain.duration, GFP_KERNEL); - - return WORK_ACT_NONE; - } - - return WORK_ACT_TIMEOUT; -} - -static enum work_action __must_check -ieee80211_offchannel_tx(struct ieee80211_work *wk) -{ - if (!wk->started) { - wk->timeout = jiffies + msecs_to_jiffies(wk->offchan_tx.wait); - - /* - * After this, offchan_tx.frame remains but now is no - * longer a valid pointer -- we still need it as the - * cookie for canceling this work/status matching. - */ - ieee80211_tx_skb(wk->sdata, wk->offchan_tx.frame); - - return WORK_ACT_NONE; - } - - return WORK_ACT_TIMEOUT; -} - -static void ieee80211_work_timer(unsigned long data) -{ - struct ieee80211_local *local = (void *) data; - - if (local->quiescing) - return; - - ieee80211_queue_work(&local->hw, &local->work_work); -} - -static void ieee80211_work_work(struct work_struct *work) -{ - struct ieee80211_local *local = - container_of(work, struct ieee80211_local, work_work); - struct ieee80211_work *wk, *tmp; - LIST_HEAD(free_work); - enum work_action rma; - bool remain_off_channel = false; - - /* - * ieee80211_queue_work() should have picked up most cases, - * here we'll pick the rest. - */ - if (WARN(local->suspended, "work scheduled while going to suspend\n")) - return; - - mutex_lock(&local->mtx); - - if (local->scanning) { - mutex_unlock(&local->mtx); - return; - } - - ieee80211_recalc_idle(local); - - list_for_each_entry_safe(wk, tmp, &local->work_list, list) { - bool started = wk->started; - - /* mark work as started if it's on the current off-channel */ - if (!started && local->tmp_channel && - wk->chan == local->tmp_channel && - wk->chan_type == local->tmp_channel_type) { - started = true; - wk->timeout = jiffies; - } - - if (!started && !local->tmp_channel) { - ieee80211_offchannel_stop_vifs(local, true); - - local->tmp_channel = wk->chan; - local->tmp_channel_type = wk->chan_type; - - ieee80211_hw_config(local, 0); - - started = true; - wk->timeout = jiffies; - } - - /* don't try to work with items that aren't started */ - if (!started) - continue; - - if (time_is_after_jiffies(wk->timeout)) { - /* - * This work item isn't supposed to be worked on - * right now, but take care to adjust the timer - * properly. - */ - run_again(local, wk->timeout); - continue; - } - - switch (wk->type) { - default: - WARN_ON(1); - /* nothing */ - rma = WORK_ACT_NONE; - break; - case IEEE80211_WORK_ABORT: - rma = WORK_ACT_TIMEOUT; - break; - case IEEE80211_WORK_REMAIN_ON_CHANNEL: - rma = ieee80211_remain_on_channel_timeout(wk); - break; - case IEEE80211_WORK_OFFCHANNEL_TX: - rma = ieee80211_offchannel_tx(wk); - break; - } - - wk->started = started; - - switch (rma) { - case WORK_ACT_NONE: - /* might have changed the timeout */ - run_again(local, wk->timeout); - break; - case WORK_ACT_TIMEOUT: - list_del_rcu(&wk->list); - synchronize_rcu(); - list_add(&wk->list, &free_work); - break; - default: - WARN(1, "unexpected: %d", rma); - } - } - - list_for_each_entry(wk, &local->work_list, list) { - if (!wk->started) - continue; - if (wk->chan != local->tmp_channel || - wk->chan_type != local->tmp_channel_type) - continue; - remain_off_channel = true; - } - - if (!remain_off_channel && local->tmp_channel) { - local->tmp_channel = NULL; - ieee80211_hw_config(local, 0); - - ieee80211_offchannel_return(local, true); - - /* give connection some time to breathe */ - run_again(local, jiffies + HZ/2); - } - - ieee80211_recalc_idle(local); - ieee80211_run_deferred_scan(local); - - mutex_unlock(&local->mtx); - - list_for_each_entry_safe(wk, tmp, &free_work, list) { - wk->done(wk, NULL); - list_del(&wk->list); - kfree(wk); - } -} - -void ieee80211_add_work(struct ieee80211_work *wk) -{ - struct ieee80211_local *local; - - if (WARN_ON(!wk->chan)) - return; - - if (WARN_ON(!wk->sdata)) - return; - - if (WARN_ON(!wk->done)) - return; - - if (WARN_ON(!ieee80211_sdata_running(wk->sdata))) - return; - - wk->started = false; - - local = wk->sdata->local; - mutex_lock(&local->mtx); - list_add_tail(&wk->list, &local->work_list); - mutex_unlock(&local->mtx); - - ieee80211_queue_work(&local->hw, &local->work_work); -} - -void ieee80211_work_init(struct ieee80211_local *local) -{ - INIT_LIST_HEAD(&local->work_list); - setup_timer(&local->work_timer, ieee80211_work_timer, - (unsigned long)local); - INIT_WORK(&local->work_work, ieee80211_work_work); -} - -void ieee80211_work_purge(struct ieee80211_sub_if_data *sdata) -{ - struct ieee80211_local *local = sdata->local; - struct ieee80211_work *wk; - bool cleanup = false; - - mutex_lock(&local->mtx); - list_for_each_entry(wk, &local->work_list, list) { - if (wk->sdata != sdata) - continue; - cleanup = true; - wk->type = IEEE80211_WORK_ABORT; - wk->started = true; - wk->timeout = jiffies; - } - mutex_unlock(&local->mtx); - - /* run cleanups etc. */ - if (cleanup) - ieee80211_work_work(&local->work_work); - - mutex_lock(&local->mtx); - list_for_each_entry(wk, &local->work_list, list) { - if (wk->sdata != sdata) - continue; - WARN_ON(1); - break; - } - mutex_unlock(&local->mtx); -} - -static enum work_done_result ieee80211_remain_done(struct ieee80211_work *wk, - struct sk_buff *skb) -{ - /* - * We are done serving the remain-on-channel command. - */ - cfg80211_remain_on_channel_expired(wk->sdata->dev, (unsigned long) wk, - wk->chan, wk->chan_type, - GFP_KERNEL); - - return WORK_DONE_DESTROY; -} - -int ieee80211_wk_remain_on_channel(struct ieee80211_sub_if_data *sdata, - struct ieee80211_channel *chan, - enum nl80211_channel_type channel_type, - unsigned int duration, u64 *cookie) -{ - struct ieee80211_work *wk; - - wk = kzalloc(sizeof(*wk), GFP_KERNEL); - if (!wk) - return -ENOMEM; - - wk->type = IEEE80211_WORK_REMAIN_ON_CHANNEL; - wk->chan = chan; - wk->chan_type = channel_type; - wk->sdata = sdata; - wk->done = ieee80211_remain_done; - - wk->remain.duration = duration; - - *cookie = (unsigned long) wk; - - ieee80211_add_work(wk); - - return 0; -} - -int ieee80211_wk_cancel_remain_on_channel(struct ieee80211_sub_if_data *sdata, - u64 cookie) -{ - struct ieee80211_local *local = sdata->local; - struct ieee80211_work *wk, *tmp; - bool found = false; - - mutex_lock(&local->mtx); - list_for_each_entry_safe(wk, tmp, &local->work_list, list) { - if ((unsigned long) wk == cookie) { - wk->timeout = jiffies; - found = true; - break; - } - } - mutex_unlock(&local->mtx); - - if (!found) - return -ENOENT; - - ieee80211_queue_work(&local->hw, &local->work_work); - - return 0; -} From 4085f641e704b1ff1a60f62756f49281a181f707 Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Sun, 13 May 2012 15:27:17 +0300 Subject: [PATCH 205/241] wl18xx: fix PHY_INIT addresses mem size was hardcoded 252, now uses the parameters struct size. Signed-off-by: Ido Reis Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c8d45f011c63..e030b1297a2b 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -540,8 +540,8 @@ static const struct wlcore_partition_set wl18xx_ptable[PART_TABLE_LEN] = { .mem3 = { .start = 0x00000000, .size = 0x00000000 }, }, [PART_PHY_INIT] = { - /* TODO: use the phy_conf struct size here */ - .mem = { .start = 0x80926000, .size = 252 }, + .mem = { .start = 0x80926000, + .size = sizeof(struct wl18xx_mac_and_phy_params) }, .reg = { .start = 0x00000000, .size = 0x00000000 }, .mem2 = { .start = 0x00000000, .size = 0x00000000 }, .mem3 = { .start = 0x00000000, .size = 0x00000000 }, From 73395a79df00c3e0101bd7a0229dbbcc065b606a Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Sun, 22 Apr 2012 20:45:52 +0300 Subject: [PATCH 206/241] wl18xx: support PG2 version of the chip PG2 has a unique chip id. It supports similar HW quirks. Signed-off-by: Ido Reis Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 12 +++++++++++- drivers/net/wireless/ti/wl18xx/reg.h | 1 + 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index e030b1297a2b..57b4a1089d0d 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -588,6 +588,17 @@ static int wl18xx_identify_chip(struct wl1271 *wl) int ret = 0; switch (wl->chip.id) { + case CHIP_ID_185x_PG20: + wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG20)", + wl->chip.id); + wl->sr_fw_name = WL18XX_FW_NAME; + /* wl18xx uses the same firmware for PLT */ + wl->plt_fw_name = WL18XX_FW_NAME; + wl->quirks |= WLCORE_QUIRK_NO_ELP | + WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | + WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; + + break; case CHIP_ID_185x_PG10: wl1271_debug(DEBUG_BOOT, "chip id 0x%x (185x PG10)", wl->chip.id); @@ -602,7 +613,6 @@ static int wl18xx_identify_chip(struct wl1271 *wl) /* PG 1.0 has some problems with MCS_13, so disable it */ wl->ht_cap[IEEE80211_BAND_2GHZ].mcs.rx_mask[1] &= ~BIT(5); - /* TODO: need to blocksize alignment for RX/TX separately? */ break; default: wl1271_warning("unsupported chip id: 0x%x", wl->chip.id); diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index 43863d35feb2..e81f60913e88 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -140,6 +140,7 @@ #define WL18XX_FW_STATUS_ADDR 0x50F8 #define CHIP_ID_185x_PG10 (0x06030101) +#define CHIP_ID_185x_PG20 (0x06030111) /* * Host Command Interrupt. Setting this bit masks From 16ea4733210d741eeb5413acd261e675a12f980e Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Mon, 23 Apr 2012 16:49:19 +0300 Subject: [PATCH 207/241] wl18xx: FW/PHY arguments added for PG2 PG2 requires 4 new parameters that to be passed to the PHY. Use the actual PHY initialization struct size for the mem size of the PHY_INIT section, to account for additions in params. [Make sure PG1 still gets the original struct - Arik] Signed-off-by: Ido Reis Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/conf.h | 4 ++++ drivers/net/wireless/ti/wl18xx/main.c | 19 ++++++++++++++++++- drivers/net/wireless/ti/wl18xx/reg.h | 6 ++++++ 3 files changed, 28 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index ffad302b6cb7..4e0f189b2539 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -44,6 +44,10 @@ struct wl18xx_conf_phy { u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; u8 pwr_limit_reference_11_abg; + u8 psat; + s8 low_power_val; + s8 med_power_val; + s8 high_power_val; }; struct wl18xx_priv_conf { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 57b4a1089d0d..bdf4ee12914d 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -511,6 +511,10 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .enable_tx_low_pwr_on_siso_rdl = 0x00, .rx_profile = 0x00, .pwr_limit_reference_11_abg = 0xc8, + .psat = 0, + .low_power_val = 0x00, + .med_power_val = 0x0a, + .high_power_val = 0x1e, }, }; @@ -713,6 +717,7 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) struct wl18xx_priv *priv = wl->priv; struct wl18xx_conf_phy *phy = &priv->conf.phy; struct wl18xx_mac_and_phy_params params; + size_t len; memset(¶ms, 0, sizeof(params)); @@ -752,9 +757,21 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) params.board_type = priv->board_type; + /* for PG2 only */ + params.psat = phy->psat; + params.low_power_val = phy->low_power_val; + params.med_power_val = phy->med_power_val; + params.high_power_val = phy->high_power_val; + + /* the parameters struct is smaller for PG1 */ + if (wl->chip.id == CHIP_ID_185x_PG10) + len = offsetof(struct wl18xx_mac_and_phy_params, psat) + 1; + else + len = sizeof(params); + wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]); wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)¶ms, - sizeof(params), false); + len, false); } static void wl18xx_enable_interrupts(struct wl1271 *wl) diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index e81f60913e88..a824b26702a8 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -236,6 +236,12 @@ struct wl18xx_mac_and_phy_params { u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; u8 board_type; + /* enable point saturation */ + u8 psat; + /* low/medium/high Tx power in dBm */ + s8 low_power_val; + s8 med_power_val; + s8 high_power_val; u8 padding[1]; } __packed; From f5755fe96cb010031a50458e6d1391377d94c275 Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Mon, 23 Apr 2012 17:35:25 +0300 Subject: [PATCH 208/241] wl18xx: PG2.0 HW Watch dog interrupt support In PG2, the HW watchdog interrupt occupies bit0 of the event vector, and the SW watchdog is relocated to bit9. We perform the relocation globally, as there's only one watchdog bit on previous platforms (bit0). [Only mask in the new bit9 for platforms supporting it. This avoids spurious events on other platforms - Arik] Signed-off-by: Orit Brayer Signed-off-by: Ido Reis Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/acx.h | 14 ++++++++++++++ drivers/net/wireless/ti/wl12xx/main.c | 4 ++-- drivers/net/wireless/ti/wl18xx/acx.h | 20 ++++++++++++++++++++ drivers/net/wireless/ti/wl18xx/main.c | 14 ++++++++++++-- drivers/net/wireless/ti/wlcore/acx.h | 27 ++++++++++++--------------- drivers/net/wireless/ti/wlcore/main.c | 13 +++++++++++-- 6 files changed, 71 insertions(+), 21 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/acx.h b/drivers/net/wireless/ti/wl12xx/acx.h index 1be0f2d31b19..2a26868b837d 100644 --- a/drivers/net/wireless/ti/wl12xx/acx.h +++ b/drivers/net/wireless/ti/wl12xx/acx.h @@ -26,6 +26,20 @@ #include "../wlcore/wlcore.h" #include "../wlcore/acx.h" +#define WL12XX_ACX_ALL_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_INIT_COMPLETE | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_CMD_COMPLETE | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + +#define WL12XX_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + struct wl1271_acx_host_config_bitmap { struct acx_header header; diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 41017baaf253..f74d76c95a7f 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1034,11 +1034,11 @@ static void wl12xx_pre_upload(struct wl1271 *wl) static void wl12xx_enable_interrupts(struct wl1271 *wl) { - wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); + wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL12XX_ACX_ALL_EVENTS_VECTOR); wlcore_enable_interrupts(wl); wlcore_write_reg(wl, REG_INTERRUPT_MASK, - WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + WL1271_ACX_INTR_ALL & ~(WL12XX_INTR_MASK)); wl1271_write32(wl, WL12XX_HI_CFG, HI_CFG_DEF_VAL); } diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index cb6fd85d077f..7d74b031f114 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -28,6 +28,26 @@ /* numbers of bits the length field takes (add 1 for the actual number) */ #define WL18XX_HOST_IF_LEN_SIZE_FIELD 15 +#define WL18XX_ACX_EVENTS_VECTOR_PG1 (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_INIT_COMPLETE | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_CMD_COMPLETE | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + +#define WL18XX_ACX_EVENTS_VECTOR_PG2 (WL18XX_ACX_EVENTS_VECTOR_PG1 | \ + WL1271_ACX_SW_INTR_WATCHDOG) + +#define WL18XX_INTR_MASK_PG1 (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA) + +#define WL18XX_INTR_MASK_PG2 (WL18XX_INTR_MASK_PG1 | \ + WL1271_ACX_SW_INTR_WATCHDOG) + struct wl18xx_acx_host_config_bitmap { struct acx_header header; diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index bdf4ee12914d..84f8e27c29ab 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -776,11 +776,21 @@ static void wl18xx_set_mac_and_phy(struct wl1271 *wl) static void wl18xx_enable_interrupts(struct wl1271 *wl) { - wlcore_write_reg(wl, REG_INTERRUPT_MASK, WL1271_ACX_ALL_EVENTS_VECTOR); + u32 event_mask, intr_mask; + + if (wl->chip.id == CHIP_ID_185x_PG10) { + event_mask = WL18XX_ACX_EVENTS_VECTOR_PG1; + intr_mask = WL18XX_INTR_MASK_PG1; + } else { + event_mask = WL18XX_ACX_EVENTS_VECTOR_PG2; + intr_mask = WL18XX_INTR_MASK_PG2; + } + + wlcore_write_reg(wl, REG_INTERRUPT_MASK, event_mask); wlcore_enable_interrupts(wl); wlcore_write_reg(wl, REG_INTERRUPT_MASK, - WL1271_ACX_INTR_ALL & ~(WL1271_INTR_MASK)); + WL1271_ACX_INTR_ALL & ~intr_mask); } static int wl18xx_boot(struct wl1271 *wl) diff --git a/drivers/net/wireless/ti/wlcore/acx.h b/drivers/net/wireless/ti/wlcore/acx.h index 46c300d4dea4..c0181258b722 100644 --- a/drivers/net/wireless/ti/wlcore/acx.h +++ b/drivers/net/wireless/ti/wlcore/acx.h @@ -51,21 +51,18 @@ #define WL1271_ACX_INTR_TRACE_A BIT(7) /* Trace message on MBOX #B */ #define WL1271_ACX_INTR_TRACE_B BIT(8) - -#define WL1271_ACX_INTR_ALL 0xFFFFFFFF -#define WL1271_ACX_ALL_EVENTS_VECTOR (WL1271_ACX_INTR_WATCHDOG | \ - WL1271_ACX_INTR_INIT_COMPLETE | \ - WL1271_ACX_INTR_EVENT_A | \ - WL1271_ACX_INTR_EVENT_B | \ - WL1271_ACX_INTR_CMD_COMPLETE | \ - WL1271_ACX_INTR_HW_AVAILABLE | \ - WL1271_ACX_INTR_DATA) - -#define WL1271_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ - WL1271_ACX_INTR_EVENT_A | \ - WL1271_ACX_INTR_EVENT_B | \ - WL1271_ACX_INTR_HW_AVAILABLE | \ - WL1271_ACX_INTR_DATA) +/* SW FW Initiated interrupt Watchdog timer expiration */ +#define WL1271_ACX_SW_INTR_WATCHDOG BIT(9) + +#define WL1271_ACX_INTR_ALL 0xFFFFFFFF + +/* all possible interrupts - only appropriate ones will be masked in */ +#define WLCORE_ALL_INTR_MASK (WL1271_ACX_INTR_WATCHDOG | \ + WL1271_ACX_INTR_EVENT_A | \ + WL1271_ACX_INTR_EVENT_B | \ + WL1271_ACX_INTR_HW_AVAILABLE | \ + WL1271_ACX_INTR_DATA | \ + WL1271_ACX_SW_INTR_WATCHDOG) /* Target's information element */ struct acx_header { diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 8800a63539e3..176a3117889b 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -535,14 +535,23 @@ static irqreturn_t wl1271_irq(int irq, void *cookie) wlcore_hw_tx_immediate_compl(wl); intr = le32_to_cpu(wl->fw_status_1->intr); - intr &= WL1271_INTR_MASK; + intr &= WLCORE_ALL_INTR_MASK; if (!intr) { done = true; continue; } if (unlikely(intr & WL1271_ACX_INTR_WATCHDOG)) { - wl1271_error("watchdog interrupt received! " + wl1271_error("HW watchdog interrupt received! starting recovery."); + wl->watchdog_recovery = true; + wl12xx_queue_recovery_work(wl); + + /* restarting the chip. ignore any other interrupt. */ + goto out; + } + + if (unlikely(intr & WL1271_ACX_SW_INTR_WATCHDOG)) { + wl1271_error("SW watchdog interrupt received! " "starting recovery."); wl->watchdog_recovery = true; wl12xx_queue_recovery_work(wl); From 9fccc82e19db0d63741cd6c3d2a8829fc8854406 Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Sun, 13 May 2012 14:53:40 +0300 Subject: [PATCH 209/241] wl18xx: pad only last frame in aggregration buffer for PG2 In PG2 only the last frame in the aggregate buffer should be aligned to the sdio block size. This frame's header msb should be set to 0, while in all the previous frames in the aggregation buffer, this bit should be set to 1. [Add a HW op for setting the frame ctrl bit only for 18xx. Other minor cleanups - Arik] [Make the pre_pkt_send operation optional -- Luca] Signed-off-by: Ido Reis Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 1 + drivers/net/wireless/ti/wl18xx/main.c | 30 +++++++++++++++++++++++-- drivers/net/wireless/ti/wl18xx/tx.h | 3 +++ drivers/net/wireless/ti/wlcore/hw_ops.h | 9 ++++++++ drivers/net/wireless/ti/wlcore/tx.c | 16 ++++++++----- drivers/net/wireless/ti/wlcore/tx.h | 4 ++-- drivers/net/wireless/ti/wlcore/wlcore.h | 4 ++++ 7 files changed, 58 insertions(+), 9 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index f74d76c95a7f..364fb2feffce 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -1406,6 +1406,7 @@ static struct wlcore_ops wl12xx_ops = { .debugfs_init = wl12xx_debugfs_add_files, .get_spare_blocks = wl12xx_get_spare_blocks, .set_key = wl12xx_set_key, + .pre_pkt_send = NULL, }; static struct ieee80211_sta_ht_cap wl12xx_ht_cap = { diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 84f8e27c29ab..fd02795f830c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -600,7 +600,8 @@ static int wl18xx_identify_chip(struct wl1271 *wl) wl->plt_fw_name = WL18XX_FW_NAME; wl->quirks |= WLCORE_QUIRK_NO_ELP | WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | - WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN; + WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | + WLCORE_QUIRK_TX_PAD_LAST_FRAME; break; case CHIP_ID_185x_PG10: @@ -847,7 +848,6 @@ wl18xx_set_tx_desc_blocks(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, u32 blks, u32 spare_blks) { desc->wl18xx_mem.total_mem_blocks = blks; - desc->wl18xx_mem.reserved = 0; } static void @@ -856,6 +856,12 @@ wl18xx_set_tx_desc_data_len(struct wl1271 *wl, struct wl1271_tx_hw_descr *desc, { desc->length = cpu_to_le16(skb->len); + /* if only the last frame is to be padded, we unset this bit on Tx */ + if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) + desc->wl18xx_mem.ctrl = WL18XX_TX_CTRL_NOT_PADDED; + else + desc->wl18xx_mem.ctrl = 0; + wl1271_debug(DEBUG_TX, "tx_fill_hdr: hlid: %d " "len: %d life: %d mem: %d", desc->hlid, le16_to_cpu(desc->length), @@ -1152,6 +1158,25 @@ static int wl18xx_set_key(struct wl1271 *wl, enum set_key_cmd cmd, return ret; } +static u32 wl18xx_pre_pkt_send(struct wl1271 *wl, + u32 buf_offset, u32 last_len) +{ + if (wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) { + struct wl1271_tx_hw_descr *last_desc; + + /* get the last TX HW descriptor written to the aggr buf */ + last_desc = (struct wl1271_tx_hw_descr *)(wl->aggr_buf + + buf_offset - last_len); + + /* the last frame is padded up to an SDIO block */ + last_desc->wl18xx_mem.ctrl &= ~WL18XX_TX_CTRL_NOT_PADDED; + return ALIGN(buf_offset, WL12XX_BUS_BLOCK_SIZE); + } + + /* no modifications */ + return buf_offset; +} + static struct wlcore_ops wl18xx_ops = { .identify_chip = wl18xx_identify_chip, .boot = wl18xx_boot, @@ -1176,6 +1201,7 @@ static struct wlcore_ops wl18xx_ops = { .handle_static_data = wl18xx_handle_static_data, .get_spare_blocks = wl18xx_get_spare_blocks, .set_key = wl18xx_set_key, + .pre_pkt_send = wl18xx_pre_pkt_send, }; /* HT cap appropriate for wide channels */ diff --git a/drivers/net/wireless/ti/wl18xx/tx.h b/drivers/net/wireless/ti/wl18xx/tx.h index 8aecaf09da9c..ccddc548e44a 100644 --- a/drivers/net/wireless/ti/wl18xx/tx.h +++ b/drivers/net/wireless/ti/wl18xx/tx.h @@ -32,6 +32,9 @@ #define WL18XX_TX_STATUS_DESC_ID_MASK 0x7F #define WL18XX_TX_STATUS_STAT_BIT_IDX 7 +/* Indicates this TX HW frame is not padded to SDIO block size */ +#define WL18XX_TX_CTRL_NOT_PADDED BIT(7) + /* * The FW uses a special bit to indicate a wide channel should be used in * the rate policy. diff --git a/drivers/net/wireless/ti/wlcore/hw_ops.h b/drivers/net/wireless/ti/wlcore/hw_ops.h index 34e0498727fc..9e7787ba9610 100644 --- a/drivers/net/wireless/ti/wlcore/hw_ops.h +++ b/drivers/net/wireless/ti/wlcore/hw_ops.h @@ -188,4 +188,13 @@ wlcore_hw_set_key(struct wl1271 *wl, enum set_key_cmd cmd, return wl->ops->set_key(wl, cmd, vif, sta, key_conf); } +static inline u32 +wlcore_hw_pre_pkt_send(struct wl1271 *wl, u32 buf_offset, u32 last_len) +{ + if (wl->ops->pre_pkt_send) + return wl->ops->pre_pkt_send(wl, buf_offset, last_len); + + return buf_offset; +} + #endif diff --git a/drivers/net/wireless/ti/wlcore/tx.c b/drivers/net/wireless/ti/wlcore/tx.c index da9a07d2cf4b..6983e7a829d0 100644 --- a/drivers/net/wireless/ti/wlcore/tx.c +++ b/drivers/net/wireless/ti/wlcore/tx.c @@ -178,10 +178,11 @@ u8 wl12xx_tx_get_hlid(struct wl1271 *wl, struct wl12xx_vif *wlvif, unsigned int wlcore_calc_packet_alignment(struct wl1271 *wl, unsigned int packet_length) { - if (wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN) - return ALIGN(packet_length, WL12XX_BUS_BLOCK_SIZE); - else + if ((wl->quirks & WLCORE_QUIRK_TX_PAD_LAST_FRAME) || + !(wl->quirks & WLCORE_QUIRK_TX_BLOCKSIZE_ALIGN)) return ALIGN(packet_length, WL1271_TX_ALIGN_TO); + else + return ALIGN(packet_length, WL12XX_BUS_BLOCK_SIZE); } EXPORT_SYMBOL(wlcore_calc_packet_alignment); @@ -662,7 +663,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl) struct wl12xx_vif *wlvif; struct sk_buff *skb; struct wl1271_tx_hw_descr *desc; - u32 buf_offset = 0; + u32 buf_offset = 0, last_len = 0; bool sent_packets = false; unsigned long active_hlids[BITS_TO_LONGS(WL12XX_MAX_LINKS)] = {0}; int ret; @@ -686,6 +687,9 @@ void wl1271_tx_work_locked(struct wl1271 *wl) * Flush buffer and try again. */ wl1271_skb_queue_head(wl, wlvif, skb); + + buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset, + last_len); wlcore_write_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, buf_offset, true); sent_packets = true; @@ -711,7 +715,8 @@ void wl1271_tx_work_locked(struct wl1271 *wl) ieee80211_free_txskb(wl->hw, skb); goto out_ack; } - buf_offset += ret; + last_len = ret; + buf_offset += last_len; wl->tx_packets_count++; if (has_data) { desc = (struct wl1271_tx_hw_descr *) skb->data; @@ -721,6 +726,7 @@ void wl1271_tx_work_locked(struct wl1271 *wl) out_ack: if (buf_offset) { + buf_offset = wlcore_hw_pre_pkt_send(wl, buf_offset, last_len); wlcore_write_data(wl, REG_SLV_MEM_DATA, wl->aggr_buf, buf_offset, true); sent_packets = true; diff --git a/drivers/net/wireless/ti/wlcore/tx.h b/drivers/net/wireless/ti/wlcore/tx.h index 49e441f34839..fa4be1b91135 100644 --- a/drivers/net/wireless/ti/wlcore/tx.h +++ b/drivers/net/wireless/ti/wlcore/tx.h @@ -93,9 +93,9 @@ struct wl18xx_tx_mem { u8 total_mem_blocks; /* - * always zero + * control bits */ - u8 reserved; + u8 ctrl; } __packed; /* diff --git a/drivers/net/wireless/ti/wlcore/wlcore.h b/drivers/net/wireless/ti/wlcore/wlcore.h index e63450072f4d..761a72f4b8d1 100644 --- a/drivers/net/wireless/ti/wlcore/wlcore.h +++ b/drivers/net/wireless/ti/wlcore/wlcore.h @@ -80,6 +80,7 @@ struct wlcore_ops { struct ieee80211_vif *vif, struct ieee80211_sta *sta, struct ieee80211_key_conf *key_conf); + u32 (*pre_pkt_send)(struct wl1271 *wl, u32 buf_offset, u32 last_len); }; enum wlcore_partitions { @@ -420,6 +421,9 @@ int wlcore_set_key(struct wl1271 *wl, enum set_key_cmd cmd, /* Some firmwares may not support ELP */ #define WLCORE_QUIRK_NO_ELP BIT(6) +/* pad only the last frame in the aggregate buffer */ +#define WLCORE_QUIRK_TX_PAD_LAST_FRAME BIT(7) + /* extra header space is required for TKIP */ #define WLCORE_QUIRK_TKIP_HEADER_SPACE BIT(8) From e16de2c4fc674f5558fd87f57c6a8e5156b22c21 Mon Sep 17 00:00:00 2001 From: Grant Erickson Date: Fri, 1 Jun 2012 09:19:01 -0700 Subject: [PATCH 210/241] wl12xx: Add support for an external 26 MHz crystal source Add support for an external 26 MHz crystal source. [Changed wl->ref_clock to priv->ref_clock -- Luca.] Signed-off-by: Grant Erickson Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 364fb2feffce..8338045d226f 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -875,6 +875,7 @@ static int wl127x_boot_clk(struct wl1271 *wl) /* ref clk: 19.2/38.4/38.4-XTAL */ clk = 0x3; else if (priv->ref_clock == CONF_REF_CLK_26_E || + priv->ref_clock == CONF_REF_CLK_26_M_XTAL || priv->ref_clock == CONF_REF_CLK_52_E) /* ref clk: 26/52 */ clk = 0x5; From bc8e261233cf0f1ad838f60bac782df3a5bc6bac Mon Sep 17 00:00:00 2001 From: Eyal Shapira Date: Thu, 7 Jun 2012 23:39:20 +0300 Subject: [PATCH 211/241] wlcore: add support macros to easily add conf debugfs entries The current debugfs code contains too much code duplication of bolierplate code. Add some macro magic to avoid this and enable adding new debugfs entries by using just a few lines. Signed-off-by: Eyal Shapira Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/debugfs.c | 75 ++++++++++++++++++++++++ 1 file changed, 75 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index fcd60636e9d1..50300ff0acb4 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -102,6 +102,81 @@ static const struct file_operations tx_queue_len_ops = { .llseek = default_llseek, }; +static void chip_op_handler(struct wl1271 *wl, unsigned long value, + void *arg) +{ + int ret; + int (*chip_op) (struct wl1271 *wl); + + if (!arg) { + wl1271_warning("debugfs chip_op_handler with no callback"); + return; + } + + ret = wl1271_ps_elp_wakeup(wl); + if (ret < 0) + return; + + chip_op = arg; + chip_op(wl); + + wl1271_ps_elp_sleep(wl); +} + + +static inline void no_write_handler(struct wl1271 *wl, + unsigned long value, + unsigned long param) +{ +} + +#define WL12XX_CONF_DEBUGFS(param, conf_sub_struct, \ + min_val, max_val, write_handler_locked, \ + write_handler_arg) \ + static ssize_t param##_read(struct file *file, \ + char __user *user_buf, \ + size_t count, loff_t *ppos) \ + { \ + struct wl1271 *wl = file->private_data; \ + return wl1271_format_buffer(user_buf, count, \ + ppos, "%d\n", \ + wl->conf.conf_sub_struct.param); \ + } \ + \ + static ssize_t param##_write(struct file *file, \ + const char __user *user_buf, \ + size_t count, loff_t *ppos) \ + { \ + struct wl1271 *wl = file->private_data; \ + unsigned long value; \ + int ret; \ + \ + ret = kstrtoul_from_user(user_buf, count, 10, &value); \ + if (ret < 0) { \ + wl1271_warning("illegal value for " #param); \ + return -EINVAL; \ + } \ + \ + if (value < min_val || value > max_val) { \ + wl1271_warning(#param " is not in valid range"); \ + return -ERANGE; \ + } \ + \ + mutex_lock(&wl->mutex); \ + wl->conf.conf_sub_struct.param = value; \ + \ + write_handler_locked(wl, value, write_handler_arg); \ + \ + mutex_unlock(&wl->mutex); \ + return count; \ + } \ + \ + static const struct file_operations param##_ops = { \ + .read = param##_read, \ + .write = param##_write, \ + .open = simple_open, \ + .llseek = default_llseek, \ + }; static ssize_t gpio_power_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { From 3e8d69352bd9ac7287ab735d45582d79c1f9f2d9 Mon Sep 17 00:00:00 2001 From: Eyal Shapira Date: Thu, 7 Jun 2012 23:39:21 +0300 Subject: [PATCH 212/241] wlcore: add debugfs control over rx interrupt pacing Add control over several conf fields which combined control the rx interrupt pacing mechanism, that is avoiding getting an interrupt following a single frame rx but instead have the FW trigger the interrupt only after a certain amount of frames received or a timeout. Signed-off-by: Eyal Shapira Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/debugfs.c | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index 50300ff0acb4..827a728fd663 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -177,6 +177,14 @@ static inline void no_write_handler(struct wl1271 *wl, .open = simple_open, \ .llseek = default_llseek, \ }; + +WL12XX_CONF_DEBUGFS(irq_pkt_threshold, rx, 0, 65535, + chip_op_handler, wl1271_acx_init_rx_interrupt) +WL12XX_CONF_DEBUGFS(irq_blk_threshold, rx, 0, 65535, + chip_op_handler, wl1271_acx_init_rx_interrupt) +WL12XX_CONF_DEBUGFS(irq_timeout, rx, 0, 100, + chip_op_handler, wl1271_acx_init_rx_interrupt) + static ssize_t gpio_power_read(struct file *file, char __user *user_buf, size_t count, loff_t *ppos) { @@ -957,6 +965,9 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(dynamic_ps_timeout, rootdir); DEBUGFS_ADD(forced_ps, rootdir); DEBUGFS_ADD(split_scan_timeout, rootdir); + DEBUGFS_ADD(irq_pkt_threshold, rootdir); + DEBUGFS_ADD(irq_blk_threshold, rootdir); + DEBUGFS_ADD(irq_timeout, rootdir); streaming = debugfs_create_dir("rx_streaming", rootdir); if (!streaming || IS_ERR(streaming)) From f74ea74b82cf6b6aeef1e46d68fbbb02d2bce8b7 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:22 +0300 Subject: [PATCH 213/241] wl18xx: add support to clear FW statistics This patch calls ACX_CLEAR_STATISTICS to clear the firmware statistics. The trigger is a new debugfs file called clear_fw_statistics in the fw_stats directory. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/acx.c | 24 +++++++++++++++++++ drivers/net/wireless/ti/wl18xx/acx.h | 9 +++++++ drivers/net/wireless/ti/wl18xx/debugfs.c | 30 ++++++++++++++++++++++++ 3 files changed, 63 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/acx.c b/drivers/net/wireless/ti/wl18xx/acx.c index 01ba40321435..72840e23bf59 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.c +++ b/drivers/net/wireless/ti/wl18xx/acx.c @@ -85,3 +85,27 @@ int wl18xx_acx_set_checksum_state(struct wl1271 *wl) kfree(acx); return ret; } + +int wl18xx_acx_clear_statistics(struct wl1271 *wl) +{ + struct wl18xx_acx_clear_statistics *acx; + int ret = 0; + + wl1271_debug(DEBUG_ACX, "acx clear statistics"); + + acx = kzalloc(sizeof(*acx), GFP_KERNEL); + if (!acx) { + ret = -ENOMEM; + goto out; + } + + ret = wl1271_cmd_configure(wl, ACX_CLEAR_STATISTICS, acx, sizeof(*acx)); + if (ret < 0) { + wl1271_warning("failed to clear firmware statistics: %d", ret); + goto out; + } + +out: + kfree(acx); + return ret; +} diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index 7d74b031f114..3e5cd9fddcf1 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -25,6 +25,10 @@ #include "../wlcore/wlcore.h" #include "../wlcore/acx.h" +enum { + ACX_CLEAR_STATISTICS = 0x0047, +}; + /* numbers of bits the length field takes (add 1 for the actual number) */ #define WL18XX_HOST_IF_LEN_SIZE_FIELD 15 @@ -253,9 +257,14 @@ struct wl18xx_acx_statistics { struct wl18xx_acx_mem_stats mem; } __packed; +struct wl18xx_acx_clear_statistics { + struct acx_header header; +}; + int wl18xx_acx_host_if_cfg_bitmap(struct wl1271 *wl, u32 host_cfg_bitmap, u32 sdio_blk_size, u32 extra_mem_blks, u32 len_field_size); int wl18xx_acx_set_checksum_state(struct wl1271 *wl); +int wl18xx_acx_clear_statistics(struct wl1271 *wl); #endif /* __WL18XX_ACX_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 93c625b23a2f..468651c2f54c 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -158,6 +158,34 @@ WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u"); +static ssize_t clear_fw_stats_write(struct file *file, + const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + int ret; + + mutex_lock(&wl->mutex); + + if (wl->state == WL1271_STATE_OFF) + goto out; + + ret = wl18xx_acx_clear_statistics(wl); + if (ret < 0) { + count = ret; + goto out; + } +out: + mutex_unlock(&wl->mutex); + return count; +} + +static const struct file_operations clear_fw_stats_ops = { + .write = clear_fw_stats_write, + .open = simple_open, + .llseek = default_llseek, +}; + int wl18xx_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { @@ -176,6 +204,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, goto err; } + DEBUGFS_ADD(clear_fw_stats, stats); + DEBUGFS_FWSTATS_ADD(debug, debug1); DEBUGFS_FWSTATS_ADD(debug, debug2); DEBUGFS_FWSTATS_ADD(debug, debug3); From 9c6ead570c6b88b865fca15bdc0d09e2d90d2130 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:23 +0300 Subject: [PATCH 214/241] wlcore: export raw binary with the FW statistics in debugfs Instead of parsing all the binary data returned by the firmware, we should simply export the binary and let the userspace do the parsing. This commit adds a new file to debugfs to do that. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/debugfs.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/net/wireless/ti/wlcore/debugfs.c b/drivers/net/wireless/ti/wlcore/debugfs.c index 827a728fd663..689a847005c9 100644 --- a/drivers/net/wireless/ti/wlcore/debugfs.c +++ b/drivers/net/wireless/ti/wlcore/debugfs.c @@ -944,6 +944,25 @@ static const struct file_operations beacon_filtering_ops = { .llseek = default_llseek, }; +static ssize_t fw_stats_raw_read(struct file *file, + char __user *userbuf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + + wl1271_debugfs_update_stats(wl); + + return simple_read_from_buffer(userbuf, count, ppos, + wl->stats.fw_stats, + wl->stats.fw_stats_len); +} + +static const struct file_operations fw_stats_raw_ops = { + .read = fw_stats_raw_read, + .open = simple_open, + .llseek = default_llseek, +}; + static int wl1271_debugfs_add_files(struct wl1271 *wl, struct dentry *rootdir) { @@ -968,6 +987,7 @@ static int wl1271_debugfs_add_files(struct wl1271 *wl, DEBUGFS_ADD(irq_pkt_threshold, rootdir); DEBUGFS_ADD(irq_blk_threshold, rootdir); DEBUGFS_ADD(irq_timeout, rootdir); + DEBUGFS_ADD(fw_stats_raw, rootdir); streaming = debugfs_create_dir("rx_streaming", rootdir); if (!streaming || IS_ERR(streaming)) From 648f6ed9f7f0e4d56d65266734e748a02f8e2df7 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:24 +0300 Subject: [PATCH 215/241] wlcore/wl18xx/wl12xx: use u8 instead of bool for host_fast_wakeup_support The conf structure is going to be exported to a file, so we should use only well defined types. bool is not well defined and may vary from platform to platform, so change the host_fast_wakeup_support type to u8 instead. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl12xx/main.c | 2 +- drivers/net/wireless/ti/wl18xx/main.c | 2 +- drivers/net/wireless/ti/wlcore/conf.h | 9 +++++++-- 3 files changed, 9 insertions(+), 4 deletions(-) diff --git a/drivers/net/wireless/ti/wl12xx/main.c b/drivers/net/wireless/ti/wl12xx/main.c index 8338045d226f..85d1600ee340 100644 --- a/drivers/net/wireless/ti/wl12xx/main.c +++ b/drivers/net/wireless/ti/wl12xx/main.c @@ -253,7 +253,7 @@ static struct wlcore_conf wl12xx_conf = { }, .pm_config = { .host_clk_settling_time = 5000, - .host_fast_wakeup_support = false + .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE, }, .roam_trigger = { .trigger_pacing = 1, diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index fd02795f830c..b6a80cd5e9ef 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -376,7 +376,7 @@ static struct wlcore_conf wl18xx_conf = { }, .pm_config = { .host_clk_settling_time = 5000, - .host_fast_wakeup_support = false + .host_fast_wakeup_support = CONF_FAST_WAKEUP_DISABLE, }, .roam_trigger = { .trigger_pacing = 1, diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index d2c4885d0d77..2e84ae113fce 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -981,6 +981,11 @@ struct conf_itrim_settings { u32 timeout; }; +enum conf_fast_wakeup { + CONF_FAST_WAKEUP_ENABLE, + CONF_FAST_WAKEUP_DISABLE, +}; + struct conf_pm_config_settings { /* * Host clock settling time @@ -992,9 +997,9 @@ struct conf_pm_config_settings { /* * Host fast wakeup support * - * Range: true, false + * Range: enum conf_fast_wakeup */ - bool host_fast_wakeup_support; + u8 host_fast_wakeup_support; }; struct conf_roam_trigger_settings { From b551a3c9eb625326b11154a604fce2108f70fb96 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:25 +0300 Subject: [PATCH 216/241] wlcore: use u8 instead of enum for bcn_filt_mode Since we will export the conf structure as a file, we need to use well defined types. Instead of using enum, whose size may vary, use u8 for bcn_filt_mode instead. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/conf.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 2e84ae113fce..0950bd22f4d9 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -824,7 +824,7 @@ struct conf_conn_settings { * * Range: CONF_BCN_FILT_MODE_* */ - enum conf_bcn_filt_mode bcn_filt_mode; + u8 bcn_filt_mode; /* * Configure Beacon filter pass-thru rules. From 34bacf73c62cd71542ee12eba5896e1f360faa9b Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:26 +0300 Subject: [PATCH 217/241] wlcore/wl18xx: the conf structs must be packed so they can be exported Since we are now going to export the conf structure and read it from a file, it should be packed to avoid surprises with padding bytes. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/conf.h | 4 +-- drivers/net/wireless/ti/wlcore/conf.h | 44 +++++++++++++-------------- 2 files changed, 24 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index 4e0f189b2539..b75a6d359712 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -48,10 +48,10 @@ struct wl18xx_conf_phy { s8 low_power_val; s8 med_power_val; s8 high_power_val; -}; +} __packed; struct wl18xx_priv_conf { struct wl18xx_conf_phy phy; -}; +} __packed; #endif /* __WL18XX_CONF_H__ */ diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 0950bd22f4d9..27d919fa997f 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -318,7 +318,7 @@ enum { struct conf_sg_settings { u32 params[CONF_SG_PARAMS_MAX]; u8 state; -}; +} __packed; enum conf_rx_queue_type { CONF_RX_QUEUE_TYPE_LOW_PRIORITY, /* All except the high priority */ @@ -402,7 +402,7 @@ struct conf_rx_settings { * Range: RX_QUEUE_TYPE_RX_LOW_PRIORITY, RX_QUEUE_TYPE_RX_HIGH_PRIORITY, */ u8 queue_type; -}; +} __packed; #define CONF_TX_MAX_RATE_CLASSES 10 @@ -501,7 +501,7 @@ struct conf_tx_rate_class { * the policy (0 - long preamble, 1 - short preamble. */ u8 aflags; -}; +} __packed; #define CONF_TX_MAX_AC_COUNT 4 @@ -558,7 +558,7 @@ struct conf_tx_ac_category { * Range: u16 */ u16 tx_op_limit; -}; +} __packed; #define CONF_TX_MAX_TID_COUNT 8 @@ -592,7 +592,7 @@ struct conf_tx_tid { u8 ps_scheme; u8 ack_policy; u32 apsd_conf[2]; -}; +} __packed; struct conf_tx_settings { /* @@ -678,7 +678,7 @@ struct conf_tx_settings { /* Time in ms for Tx watchdog timer to expire */ u32 tx_watchdog_timeout; -}; +} __packed; enum { CONF_WAKE_UP_EVENT_BEACON = 0x01, /* Wake on every Beacon*/ @@ -725,7 +725,7 @@ struct conf_bcn_filt_rule { * Version for the vendor specifie IE (221) */ u8 version[CONF_BCN_IE_VER_LEN]; -}; +} __packed; #define CONF_MAX_RSSI_SNR_TRIGGERS 8 @@ -776,7 +776,7 @@ struct conf_sig_weights { * Range: u8 */ u8 snr_pkt_avg_weight; -}; +} __packed; enum conf_bcn_filt_mode { CONF_BCN_FILT_MODE_DISABLED = 0, @@ -951,7 +951,7 @@ struct conf_conn_settings { * Range: u16 */ u8 max_listen_interval; -}; +} __packed; enum { CONF_REF_CLK_19_2_E, @@ -979,7 +979,7 @@ struct conf_itrim_settings { /* moderation timeout in microsecs from the last TX */ u32 timeout; -}; +} __packed; enum conf_fast_wakeup { CONF_FAST_WAKEUP_ENABLE, @@ -1000,7 +1000,7 @@ struct conf_pm_config_settings { * Range: enum conf_fast_wakeup */ u8 host_fast_wakeup_support; -}; +} __packed; struct conf_roam_trigger_settings { /* @@ -1037,7 +1037,7 @@ struct conf_roam_trigger_settings { * Range: 0 - 255 */ u8 avg_weight_snr_data; -}; +} __packed; struct conf_scan_settings { /* @@ -1083,7 +1083,7 @@ struct conf_scan_settings { * Range: u32 Microsecs */ u32 split_scan_timeout; -}; +} __packed; struct conf_sched_scan_settings { /* @@ -1121,7 +1121,7 @@ struct conf_sched_scan_settings { /* SNR threshold to be used for filtering */ s8 snr_threshold; -}; +} __packed; struct conf_ht_setting { u8 rx_ba_win_size; @@ -1130,7 +1130,7 @@ struct conf_ht_setting { /* bitmap of enabled TIDs for TX BA sessions */ u8 tx_ba_tid_bitmap; -}; +} __packed; struct conf_memory_settings { /* Number of stations supported in IBSS mode */ @@ -1170,7 +1170,7 @@ struct conf_memory_settings { * Range: 0-120 */ u8 tx_min; -}; +} __packed; struct conf_fm_coex { u8 enable; @@ -1183,7 +1183,7 @@ struct conf_fm_coex { u16 ldo_stabilization_time; u8 fm_disturbed_band_margin; u8 swallow_clk_diff; -}; +} __packed; struct conf_rx_streaming_settings { /* @@ -1212,7 +1212,7 @@ struct conf_rx_streaming_settings { * enable rx streaming also when there is no coex activity */ u8 always; -}; +} __packed; struct conf_fwlog { /* Continuous or on-demand */ @@ -1236,7 +1236,7 @@ struct conf_fwlog { /* Regulates the frequency of log messages */ u8 threshold; -}; +} __packed; #define ACX_RATE_MGMT_NUM_OF_RATES 13 struct conf_rate_policy_settings { @@ -1255,7 +1255,7 @@ struct conf_rate_policy_settings { u8 rate_check_up; u8 rate_check_down; u8 rate_retry_policy[ACX_RATE_MGMT_NUM_OF_RATES]; -}; +} __packed; struct conf_hangover_settings { u32 recover_time; @@ -1269,7 +1269,7 @@ struct conf_hangover_settings { u8 quiet_time; u8 increase_time; u8 window_size; -}; +} __packed; struct wlcore_conf { struct conf_sg_settings sg; @@ -1288,6 +1288,6 @@ struct wlcore_conf { struct conf_fwlog fwlog; struct conf_rate_policy_settings rate; struct conf_hangover_settings hangover; -}; +} __packed; #endif From 18b70ac9c7fd640cbd5921b5ca2705db0f8b9d83 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:27 +0300 Subject: [PATCH 218/241] wlcore/wl18xx: export conf struct in a debugfs file Add conf file header structure, magic and version values and export the entire conf struct in debugfs. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/conf.h | 6 ++++ drivers/net/wireless/ti/wl18xx/debugfs.c | 44 ++++++++++++++++++++++++ drivers/net/wireless/ti/wlcore/conf.h | 22 ++++++++++++ 3 files changed, 72 insertions(+) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index b75a6d359712..130546aa970d 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -22,6 +22,12 @@ #ifndef __WL18XX_CONF_H__ #define __WL18XX_CONF_H__ +#define WL18XX_CONF_MAGIC 0x10e100ca +#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0001) +#define WL18XX_CONF_MASK 0x0000ffff +#define WL18XX_CONF_SIZE (WLCORE_CONF_SIZE + \ + sizeof(struct wl18xx_priv_conf)) + struct wl18xx_conf_phy { u8 phy_standalone; u8 rdl; diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 468651c2f54c..96b149662906 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -158,6 +158,48 @@ WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fw_gen_free_mem_blks, "%u"); +static ssize_t conf_read(struct file *file, char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct wl1271 *wl = file->private_data; + struct wl18xx_priv *priv = wl->priv; + struct wlcore_conf_header header; + char *buf, *pos; + size_t len; + int ret; + + len = WL18XX_CONF_SIZE; + buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + header.magic = cpu_to_le32(WL18XX_CONF_MAGIC); + header.version = cpu_to_le32(WL18XX_CONF_VERSION); + header.checksum = 0; + + mutex_lock(&wl->mutex); + + pos = buf; + memcpy(pos, &header, sizeof(header)); + pos += sizeof(header); + memcpy(pos, &wl->conf, sizeof(wl->conf)); + pos += sizeof(wl->conf); + memcpy(pos, &priv->conf, sizeof(priv->conf)); + + mutex_unlock(&wl->mutex); + + ret = simple_read_from_buffer(user_buf, count, ppos, buf, len); + + kfree(buf); + return ret; +} + +static const struct file_operations conf_ops = { + .read = conf_read, + .open = simple_open, + .llseek = default_llseek, +}; + static ssize_t clear_fw_stats_write(struct file *file, const char __user *user_buf, size_t count, loff_t *ppos) @@ -327,6 +369,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(mem, fwlog_free_mem_blks); DEBUGFS_FWSTATS_ADD(mem, fw_gen_free_mem_blks); + DEBUGFS_ADD(conf, moddir); + return 0; err: diff --git a/drivers/net/wireless/ti/wlcore/conf.h b/drivers/net/wireless/ti/wlcore/conf.h index 27d919fa997f..03c635872335 100644 --- a/drivers/net/wireless/ti/wlcore/conf.h +++ b/drivers/net/wireless/ti/wlcore/conf.h @@ -1271,6 +1271,22 @@ struct conf_hangover_settings { u8 window_size; } __packed; +/* + * The conf version consists of 4 bytes. The two MSB are the wlcore + * version, the two LSB are the lower driver's private conf + * version. + */ +#define WLCORE_CONF_VERSION (0x0001 << 16) +#define WLCORE_CONF_MASK 0xffff0000 +#define WLCORE_CONF_SIZE (sizeof(struct wlcore_conf_header) + \ + sizeof(struct wlcore_conf)) + +struct wlcore_conf_header { + __le32 magic; + __le32 version; + __le32 checksum; +} __packed; + struct wlcore_conf { struct conf_sg_settings sg; struct conf_rx_settings rx; @@ -1290,4 +1306,10 @@ struct wlcore_conf { struct conf_hangover_settings hangover; } __packed; +struct wlcore_conf_file { + struct wlcore_conf_header header; + struct wlcore_conf core; + u8 priv[0]; +} __packed; + #endif From 640dfb9b85bc80c607c07531dc5428418ef39974 Mon Sep 17 00:00:00 2001 From: Luciano Coelho Date: Thu, 7 Jun 2012 23:39:28 +0300 Subject: [PATCH 219/241] wl18xx: read configuration structure from a binary file Instead of using the hardcoded configuration structure, try to read it from a "firmware" file called wl18xx-conf.bin. If the file doesn't exist, fall back to the hardcoded version. If the file exists but is illegal, bail out. Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 68 +++++++++++++++++++++++++-- 1 file changed, 63 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index b6a80cd5e9ef..9cdf24f70964 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -22,6 +22,7 @@ #include #include #include +#include #include "../wlcore/wlcore.h" #include "../wlcore/debug.h" @@ -1046,15 +1047,65 @@ static s8 wl18xx_get_pg_ver(struct wl1271 *wl) return (s8)fuse; } -static void wl18xx_conf_init(struct wl1271 *wl) +#define WL18XX_CONF_FILE_NAME "ti-connectivity/wl18xx-conf.bin" +static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev) { struct wl18xx_priv *priv = wl->priv; + struct wlcore_conf_file *conf_file; + const struct firmware *fw; + int ret; + + ret = request_firmware(&fw, WL18XX_CONF_FILE_NAME, dev); + if (ret < 0) { + wl1271_error("could not get configuration binary %s: %d", + WL18XX_CONF_FILE_NAME, ret); + goto out_fallback; + } + + if (fw->size != WL18XX_CONF_SIZE) { + wl1271_error("configuration binary file size is wrong, " + "expected %d got %d", WL18XX_CONF_SIZE, fw->size); + ret = -EINVAL; + goto out; + } + + conf_file = (struct wlcore_conf_file *) fw->data; + + if (conf_file->header.magic != cpu_to_le32(WL18XX_CONF_MAGIC)) { + wl1271_error("configuration binary file magic number mismatch, " + "expected 0x%0x got 0x%0x", WL18XX_CONF_MAGIC, + conf_file->header.magic); + ret = -EINVAL; + goto out; + } + + if (conf_file->header.version != cpu_to_le32(WL18XX_CONF_VERSION)) { + wl1271_error("configuration binary file version not supported, " + "expected 0x%08x got 0x%08x", + WL18XX_CONF_VERSION, conf_file->header.version); + ret = -EINVAL; + goto out; + } + + memcpy(&wl->conf, &conf_file->core, sizeof(wl18xx_conf)); + memcpy(&priv->conf, &conf_file->priv, sizeof(priv->conf)); + + goto out; + +out_fallback: + wl1271_warning("falling back to default config"); /* apply driver default configuration */ memcpy(&wl->conf, &wl18xx_conf, sizeof(wl18xx_conf)); - /* apply default private configuration */ memcpy(&priv->conf, &wl18xx_default_priv_conf, sizeof(priv->conf)); + + /* For now we just fallback */ + return 0; + +out: + release_firmware(fw); + return ret; } static int wl18xx_plt_init(struct wl1271 *wl) @@ -1261,11 +1312,13 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) struct wl1271 *wl; struct ieee80211_hw *hw; struct wl18xx_priv *priv; + int ret; hw = wlcore_alloc_hw(sizeof(*priv)); if (IS_ERR(hw)) { wl1271_error("can't allocate hw"); - return PTR_ERR(hw); + ret = PTR_ERR(hw); + goto out; } wl = hw->priv; @@ -1305,10 +1358,13 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) sizeof(wl18xx_siso20_ht_cap)); } else { wl1271_error("invalid ht_mode '%s'", ht_mode_param); + ret = -EINVAL; goto out_free; } - wl18xx_conf_init(wl); + ret = wl18xx_conf_init(wl, &pdev->dev); + if (ret < 0) + goto out_free; if (!strcmp(board_type_param, "fpga")) { priv->board_type = BOARD_TYPE_FPGA_18XX; @@ -1326,6 +1382,7 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) priv->conf.phy.low_band_component_type = 0x06; } else { wl1271_error("invalid board type '%s'", board_type_param); + ret = -EINVAL; goto out_free; } @@ -1373,7 +1430,8 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) out_free: wlcore_free_hw(wl); - return -EINVAL; +out: + return ret; } static const struct platform_device_id wl18xx_id_table[] __devinitconst = { From e27454b01304188205190238791b31efbfecfc04 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Wed, 23 May 2012 08:39:43 +0300 Subject: [PATCH 220/241] wl18xx: allow FW-log by default for PG2.0 This is supported by new FW versions (.88+). Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 9cdf24f70964..c26015b8830c 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -600,7 +600,6 @@ static int wl18xx_identify_chip(struct wl1271 *wl) /* wl18xx uses the same firmware for PLT */ wl->plt_fw_name = WL18XX_FW_NAME; wl->quirks |= WLCORE_QUIRK_NO_ELP | - WLCORE_QUIRK_FWLOG_NOT_IMPLEMENTED | WLCORE_QUIRK_RX_BLOCKSIZE_ALIGN | WLCORE_QUIRK_TX_PAD_LAST_FRAME; From 8dd8e53c6f0a5116b988445484b1d68d8e22ced9 Mon Sep 17 00:00:00 2001 From: Ido Reis Date: Tue, 22 May 2012 12:34:10 +0300 Subject: [PATCH 221/241] wl18xx: update fw statistics Aligned to the struct in FW 8.2.0.0.91 and updated the debugfs entries accordingly. Signed-off-by: Ido Reis Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/acx.h | 33 +++++++++++--- drivers/net/wireless/ti/wl18xx/debugfs.c | 56 ++++++++++++++++-------- 2 files changed, 65 insertions(+), 24 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/acx.h b/drivers/net/wireless/ti/wl18xx/acx.h index 3e5cd9fddcf1..ebbaf611e97b 100644 --- a/drivers/net/wireless/ti/wl18xx/acx.h +++ b/drivers/net/wireless/ti/wl18xx/acx.h @@ -85,6 +85,15 @@ struct wl18xx_acx_checksum_state { u8 pad[3]; } __packed; + +struct wl18xx_acx_error_stats { + u32 error_frame; + u32 error_null_Frame_tx_start; + u32 error_numll_frame_cts_start; + u32 error_bar_retry; + u32 error_frame_cts_nul_flid; +} __packed; + struct wl18xx_acx_debug_stats { u32 debug1; u32 debug2; @@ -100,6 +109,8 @@ struct wl18xx_acx_ring_stats { } __packed; struct wl18xx_acx_tx_stats { + u32 tx_prepared_descs; + u32 tx_cmplt; u32 tx_template_prepared; u32 tx_data_prepared; u32 tx_template_programmed; @@ -136,7 +147,8 @@ struct wl18xx_acx_tx_stats { } __packed; struct wl18xx_acx_rx_stats { - u32 rx_out_of_mem; + u32 rx_beacon_early_term; + u32 rx_out_of_mpdu_nodes; u32 rx_hdr_overflow; u32 rx_dropped_frame; u32 rx_done_stage; @@ -148,6 +160,9 @@ struct wl18xx_acx_rx_stats { u32 rx_cmplt_task; u32 rx_phy_hdr; u32 rx_timeout; + u32 rx_timeout_wa; + u32 rx_wa_density_dropped_frame; + u32 rx_wa_ba_not_expected; u32 rx_frame_checksum; u32 rx_checksum_result; u32 defrag_called; @@ -158,6 +173,7 @@ struct wl18xx_acx_rx_stats { u32 defrag_decrypt_failed; u32 decrypt_key_not_found; u32 defrag_need_decrypt; + u32 rx_tkip_replays; } __packed; struct wl18xx_acx_isr_stats { @@ -197,20 +213,25 @@ struct wl18xx_acx_rx_filter_stats { u32 data_filter; u32 ibss_filter; u32 protection_filter; + u32 accum_arp_pend_requests; + u32 max_arp_queue_dep; } __packed; struct wl18xx_acx_rx_rate_stats { u32 rx_frames_per_rates[50]; } __packed; -#define AGGR_STATS_TX_SIZE_LEN 11 -#define AGGR_STATS_RX_SIZE_LEN 11 +#define AGGR_STATS_TX_AGG 16 +#define AGGR_STATS_TX_RATE 16 +#define AGGR_STATS_RX_SIZE_LEN 16 struct wl18xx_acx_aggr_stats { - u32 tx_size[AGGR_STATS_TX_SIZE_LEN]; + u32 tx_agg_vs_rate[AGGR_STATS_TX_AGG * AGGR_STATS_TX_RATE]; u32 rx_size[AGGR_STATS_RX_SIZE_LEN]; } __packed; +#define PIPE_STATS_HW_FIFO 11 + struct wl18xx_acx_pipeline_stats { u32 hs_tx_stat_fifo_int; u32 hs_rx_stat_fifo_int; @@ -230,6 +251,7 @@ struct wl18xx_acx_pipeline_stats { u32 dec_packet_out; u32 cs_rx_packet_in; u32 cs_rx_packet_out; + u16 pipeline_fifo_full[PIPE_STATS_HW_FIFO]; } __packed; struct wl18xx_acx_mem_stats { @@ -242,13 +264,12 @@ struct wl18xx_acx_mem_stats { struct wl18xx_acx_statistics { struct acx_header header; - struct wl18xx_acx_ring_stats ring; + struct wl18xx_acx_error_stats error; struct wl18xx_acx_debug_stats debug; struct wl18xx_acx_tx_stats tx; struct wl18xx_acx_rx_stats rx; struct wl18xx_acx_isr_stats isr; struct wl18xx_acx_pwr_stats pwr; - struct wl18xx_acx_event_stats event; struct wl18xx_acx_ps_poll_stats ps_poll; struct wl18xx_acx_rx_filter_stats rx_filter; struct wl18xx_acx_rx_rate_stats rx_rate; diff --git a/drivers/net/wireless/ti/wl18xx/debugfs.c b/drivers/net/wireless/ti/wl18xx/debugfs.c index 96b149662906..3ce6f1039af3 100644 --- a/drivers/net/wireless/ti/wl18xx/debugfs.c +++ b/drivers/net/wireless/ti/wl18xx/debugfs.c @@ -40,9 +40,14 @@ WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug4, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug5, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(debug, debug6, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, prepared_descs, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(ring, tx_cmplt, "%u"); - +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_null_Frame_tx_start, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_numll_frame_cts_start, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_bar_retry, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(error, error_frame_cts_nul_flid, "%u"); + +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_prepared_descs, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_cmplt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_prepared, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_data_prepared, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, tx_template_programmed, "%u"); @@ -77,7 +82,8 @@ WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_failed, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_hit, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(tx, frag_cache_miss, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mem, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_beacon_early_term, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_out_of_mpdu_nodes, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_hdr_overflow, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_dropped_frame, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_done, "%u"); @@ -88,6 +94,9 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_pre_complt, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_cmplt_task, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_phy_hdr, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_timeout_wa, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_wa_density_dropped_frame, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_wa_ba_not_expected, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_frame_checksum, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_checksum_result, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_called, "%u"); @@ -98,6 +107,7 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_defrag, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_decrypt_failed, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, decrypt_key_not_found, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx, defrag_need_decrypt, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx, rx_tkip_replays, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(isr, irqs, "%u"); @@ -109,10 +119,6 @@ WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pwr, cont_miss_bcns_spread, WL18XX_DEBUGFS_FWSTATS_FILE(pwr, rcvd_awake_bcns_cnt, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(event, calibration, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(event, rx_mismatch, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE(event, rx_mem_empty, "%u"); - WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, ps_poll_timeouts, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_timeouts, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(ps_poll, upsd_max_ap_turn, "%u"); @@ -127,11 +133,13 @@ WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, dup_filter, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, data_filter, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, ibss_filter, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, protection_filter, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, accum_arp_pend_requests, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE(rx_filter, max_arp_queue_dep, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(rx_rate, rx_frames_per_rates, "%u"); -WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_size, - AGGR_STATS_TX_SIZE_LEN); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, tx_agg_vs_rate, + AGGR_STATS_TX_AGG*AGGR_STATS_TX_RATE); WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(aggr_size, rx_size, AGGR_STATS_RX_SIZE_LEN); @@ -153,6 +161,9 @@ WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, dec_packet_out, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_in, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(pipeline, cs_rx_packet_out, "%u"); +WL18XX_DEBUGFS_FWSTATS_FILE_ARRAY(pipeline, pipeline_fifo_full, + PIPE_STATS_HW_FIFO); + WL18XX_DEBUGFS_FWSTATS_FILE(mem, rx_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, tx_free_mem_blks, "%u"); WL18XX_DEBUGFS_FWSTATS_FILE(mem, fwlog_free_mem_blks, "%u"); @@ -255,9 +266,14 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(debug, debug5); DEBUGFS_FWSTATS_ADD(debug, debug6); - DEBUGFS_FWSTATS_ADD(ring, prepared_descs); - DEBUGFS_FWSTATS_ADD(ring, tx_cmplt); + DEBUGFS_FWSTATS_ADD(error, error_frame); + DEBUGFS_FWSTATS_ADD(error, error_null_Frame_tx_start); + DEBUGFS_FWSTATS_ADD(error, error_numll_frame_cts_start); + DEBUGFS_FWSTATS_ADD(error, error_bar_retry); + DEBUGFS_FWSTATS_ADD(error, error_frame_cts_nul_flid); + DEBUGFS_FWSTATS_ADD(tx, tx_prepared_descs); + DEBUGFS_FWSTATS_ADD(tx, tx_cmplt); DEBUGFS_FWSTATS_ADD(tx, tx_template_prepared); DEBUGFS_FWSTATS_ADD(tx, tx_data_prepared); DEBUGFS_FWSTATS_ADD(tx, tx_template_programmed); @@ -292,7 +308,8 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(tx, frag_cache_hit); DEBUGFS_FWSTATS_ADD(tx, frag_cache_miss); - DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mem); + DEBUGFS_FWSTATS_ADD(rx, rx_beacon_early_term); + DEBUGFS_FWSTATS_ADD(rx, rx_out_of_mpdu_nodes); DEBUGFS_FWSTATS_ADD(rx, rx_hdr_overflow); DEBUGFS_FWSTATS_ADD(rx, rx_dropped_frame); DEBUGFS_FWSTATS_ADD(rx, rx_done); @@ -303,6 +320,9 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(rx, rx_cmplt_task); DEBUGFS_FWSTATS_ADD(rx, rx_phy_hdr); DEBUGFS_FWSTATS_ADD(rx, rx_timeout); + DEBUGFS_FWSTATS_ADD(rx, rx_timeout_wa); + DEBUGFS_FWSTATS_ADD(rx, rx_wa_density_dropped_frame); + DEBUGFS_FWSTATS_ADD(rx, rx_wa_ba_not_expected); DEBUGFS_FWSTATS_ADD(rx, rx_frame_checksum); DEBUGFS_FWSTATS_ADD(rx, rx_checksum_result); DEBUGFS_FWSTATS_ADD(rx, defrag_called); @@ -313,6 +333,7 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(rx, defrag_decrypt_failed); DEBUGFS_FWSTATS_ADD(rx, decrypt_key_not_found); DEBUGFS_FWSTATS_ADD(rx, defrag_need_decrypt); + DEBUGFS_FWSTATS_ADD(rx, rx_tkip_replays); DEBUGFS_FWSTATS_ADD(isr, irqs); @@ -322,10 +343,6 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(pwr, cont_miss_bcns_spread); DEBUGFS_FWSTATS_ADD(pwr, rcvd_awake_bcns_cnt); - DEBUGFS_FWSTATS_ADD(event, calibration); - DEBUGFS_FWSTATS_ADD(event, rx_mismatch); - DEBUGFS_FWSTATS_ADD(event, rx_mem_empty); - DEBUGFS_FWSTATS_ADD(ps_poll, ps_poll_timeouts); DEBUGFS_FWSTATS_ADD(ps_poll, upsd_timeouts); DEBUGFS_FWSTATS_ADD(ps_poll, upsd_max_ap_turn); @@ -340,10 +357,12 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(rx_filter, data_filter); DEBUGFS_FWSTATS_ADD(rx_filter, ibss_filter); DEBUGFS_FWSTATS_ADD(rx_filter, protection_filter); + DEBUGFS_FWSTATS_ADD(rx_filter, accum_arp_pend_requests); + DEBUGFS_FWSTATS_ADD(rx_filter, max_arp_queue_dep); DEBUGFS_FWSTATS_ADD(rx_rate, rx_frames_per_rates); - DEBUGFS_FWSTATS_ADD(aggr_size, tx_size); + DEBUGFS_FWSTATS_ADD(aggr_size, tx_agg_vs_rate); DEBUGFS_FWSTATS_ADD(aggr_size, rx_size); DEBUGFS_FWSTATS_ADD(pipeline, hs_tx_stat_fifo_int); @@ -363,6 +382,7 @@ int wl18xx_debugfs_add_files(struct wl1271 *wl, DEBUGFS_FWSTATS_ADD(pipeline, dec_packet_out); DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_in); DEBUGFS_FWSTATS_ADD(pipeline, cs_rx_packet_out); + DEBUGFS_FWSTATS_ADD(pipeline, pipeline_fifo_full); DEBUGFS_FWSTATS_ADD(mem, rx_free_mem_blks); DEBUGFS_FWSTATS_ADD(mem, tx_free_mem_blks); From d61c6b5550c759728e702e68c8423a23a6991fc3 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 29 May 2012 12:40:50 +0300 Subject: [PATCH 222/241] wl18xx: align wl18xx_conf_phy with FW variant and remove it wl18xx_conf_phy represents part of the FW native wl18xx_mac_and_phy_params structure. Remove it and replace the phy part of the wl18xx conf with the FW bound structure. This allows us to set/override all members. Increment the wlconf version to ensure compatibility with the new structure Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/conf.h | 37 +++++++++++++++-- drivers/net/wireless/ti/wl18xx/main.c | 52 ++---------------------- drivers/net/wireless/ti/wl18xx/reg.h | 57 --------------------------- 3 files changed, 36 insertions(+), 110 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/conf.h b/drivers/net/wireless/ti/wl18xx/conf.h index 130546aa970d..fac0b7e87e75 100644 --- a/drivers/net/wireless/ti/wl18xx/conf.h +++ b/drivers/net/wireless/ti/wl18xx/conf.h @@ -23,41 +23,70 @@ #define __WL18XX_CONF_H__ #define WL18XX_CONF_MAGIC 0x10e100ca -#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0001) +#define WL18XX_CONF_VERSION (WLCORE_CONF_VERSION | 0x0002) #define WL18XX_CONF_MASK 0x0000ffff #define WL18XX_CONF_SIZE (WLCORE_CONF_SIZE + \ sizeof(struct wl18xx_priv_conf)) -struct wl18xx_conf_phy { +#define NUM_OF_CHANNELS_11_ABG 150 +#define NUM_OF_CHANNELS_11_P 7 +#define WL18XX_NUM_OF_SUB_BANDS 9 +#define SRF_TABLE_LEN 16 +#define PIN_MUXING_SIZE 2 + +struct wl18xx_mac_and_phy_params { u8 phy_standalone; u8 rdl; u8 enable_clpc; u8 enable_tx_low_pwr_on_siso_rdl; u8 auto_detect; u8 dedicated_fem; + u8 low_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ u8 low_band_component_type; + u8 high_band_component; + + /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ u8 high_band_component_type; + u8 number_of_assembled_ant2_4; + u8 number_of_assembled_ant5; + u8 pin_muxing_platform_options[PIN_MUXING_SIZE]; + u8 external_pa_dc2dc; u8 tcxo_ldo_voltage; u8 xtal_itrim_val; u8 srf_state; + u8 srf1[SRF_TABLE_LEN]; + u8 srf2[SRF_TABLE_LEN]; + u8 srf3[SRF_TABLE_LEN]; u8 io_configuration; u8 sdio_configuration; u8 settings; u8 rx_profile; + u8 per_chan_pwr_limit_arr_11abg[NUM_OF_CHANNELS_11_ABG]; + u8 pwr_limit_reference_11_abg; + u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; + u8 pwr_limit_reference_11p; + u8 per_sub_band_tx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; + u8 per_sub_band_rx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; u8 primary_clock_setting_time; u8 clock_valid_on_wake_up; u8 secondary_clock_setting_time; - u8 pwr_limit_reference_11_abg; + u8 board_type; + /* enable point saturation */ u8 psat; + /* low/medium/high Tx power in dBm */ s8 low_power_val; s8 med_power_val; s8 high_power_val; + u8 padding[1]; } __packed; struct wl18xx_priv_conf { - struct wl18xx_conf_phy phy; + /* this structure is copied wholesale to FW */ + struct wl18xx_mac_and_phy_params phy; } __packed; #endif /* __WL18XX_CONF_H__ */ diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index c26015b8830c..78b2e54a0be7 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -716,63 +716,17 @@ static void wl18xx_pre_upload(struct wl1271 *wl) static void wl18xx_set_mac_and_phy(struct wl1271 *wl) { struct wl18xx_priv *priv = wl->priv; - struct wl18xx_conf_phy *phy = &priv->conf.phy; - struct wl18xx_mac_and_phy_params params; size_t len; - memset(¶ms, 0, sizeof(params)); - - params.phy_standalone = phy->phy_standalone; - params.rdl = phy->rdl; - params.enable_clpc = phy->enable_clpc; - params.enable_tx_low_pwr_on_siso_rdl = - phy->enable_tx_low_pwr_on_siso_rdl; - params.auto_detect = phy->auto_detect; - params.dedicated_fem = phy->dedicated_fem; - params.low_band_component = phy->low_band_component; - params.low_band_component_type = - phy->low_band_component_type; - params.high_band_component = phy->high_band_component; - params.high_band_component_type = - phy->high_band_component_type; - params.number_of_assembled_ant2_4 = - n_antennas_2_param; - params.number_of_assembled_ant5 = - n_antennas_5_param; - params.external_pa_dc2dc = dc2dc_param; - params.tcxo_ldo_voltage = phy->tcxo_ldo_voltage; - params.xtal_itrim_val = phy->xtal_itrim_val; - params.srf_state = phy->srf_state; - params.io_configuration = phy->io_configuration; - params.sdio_configuration = phy->sdio_configuration; - params.settings = phy->settings; - params.rx_profile = phy->rx_profile; - params.primary_clock_setting_time = - phy->primary_clock_setting_time; - params.clock_valid_on_wake_up = - phy->clock_valid_on_wake_up; - params.secondary_clock_setting_time = - phy->secondary_clock_setting_time; - params.pwr_limit_reference_11_abg = - phy->pwr_limit_reference_11_abg; - - params.board_type = priv->board_type; - - /* for PG2 only */ - params.psat = phy->psat; - params.low_power_val = phy->low_power_val; - params.med_power_val = phy->med_power_val; - params.high_power_val = phy->high_power_val; - /* the parameters struct is smaller for PG1 */ if (wl->chip.id == CHIP_ID_185x_PG10) len = offsetof(struct wl18xx_mac_and_phy_params, psat) + 1; else - len = sizeof(params); + len = sizeof(struct wl18xx_mac_and_phy_params); wlcore_set_partition(wl, &wl->ptable[PART_PHY_INIT]); - wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)¶ms, - len, false); + wl1271_write(wl, WL18XX_PHY_INIT_MEM_ADDR, (u8 *)&priv->conf.phy, len, + false); } static void wl18xx_enable_interrupts(struct wl1271 *wl) diff --git a/drivers/net/wireless/ti/wl18xx/reg.h b/drivers/net/wireless/ti/wl18xx/reg.h index a824b26702a8..937b71d8783f 100644 --- a/drivers/net/wireless/ti/wl18xx/reg.h +++ b/drivers/net/wireless/ti/wl18xx/reg.h @@ -164,13 +164,6 @@ */ #define WL18XX_SCR_PAD8_PLT 0xBABABEBE -/* TODO: maybe move elsewhere? */ -#define NUM_OF_CHANNELS_11_ABG 150 -#define NUM_OF_CHANNELS_11_P 7 -#define WL18XX_NUM_OF_SUB_BANDS 9 -#define SRF_TABLE_LEN 16 -#define PIN_MUXING_SIZE 2 - enum { COMPONENT_NO_SWITCH = 0x0, COMPONENT_2_WAY_SWITCH = 0x1, @@ -195,54 +188,4 @@ enum { NUM_BOARD_TYPES, }; -struct wl18xx_mac_and_phy_params { - u8 phy_standalone; - u8 rdl; - u8 enable_clpc; - u8 enable_tx_low_pwr_on_siso_rdl; - u8 auto_detect; - u8 dedicated_fem; - - u8 low_band_component; - - /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ - u8 low_band_component_type; - - u8 high_band_component; - - /* Bit 0: One Hot, Bit 1: Control Enable, Bit 2: 1.8V, Bit 3: 3V */ - u8 high_band_component_type; - u8 number_of_assembled_ant2_4; - u8 number_of_assembled_ant5; - u8 pin_muxing_platform_options[PIN_MUXING_SIZE]; - u8 external_pa_dc2dc; - u8 tcxo_ldo_voltage; - u8 xtal_itrim_val; - u8 srf_state; - u8 srf1[SRF_TABLE_LEN]; - u8 srf2[SRF_TABLE_LEN]; - u8 srf3[SRF_TABLE_LEN]; - u8 io_configuration; - u8 sdio_configuration; - u8 settings; - u8 rx_profile; - u8 per_chan_pwr_limit_arr_11abg[NUM_OF_CHANNELS_11_ABG]; - u8 pwr_limit_reference_11_abg; - u8 per_chan_pwr_limit_arr_11p[NUM_OF_CHANNELS_11_P]; - u8 pwr_limit_reference_11p; - u8 per_sub_band_tx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; - u8 per_sub_band_rx_trace_loss[WL18XX_NUM_OF_SUB_BANDS]; - u8 primary_clock_setting_time; - u8 clock_valid_on_wake_up; - u8 secondary_clock_setting_time; - u8 board_type; - /* enable point saturation */ - u8 psat; - /* low/medium/high Tx power in dBm */ - s8 low_power_val; - s8 med_power_val; - s8 high_power_val; - u8 padding[1]; -} __packed; - #endif /* __REG_H__ */ From 17d97719dc2fe2b9c13831dc2c8572b54efe00b4 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 29 May 2012 12:44:12 +0300 Subject: [PATCH 223/241] wl18xx: clean up phy module parameters Give all wl18xx phy module paramters -1 as a default value, indicating the paramter was not set. Add previous default values to the default 18xx priv conf structure. Remove the board_type field from wl18xx priv. The field with the same name inside the phy conf is good enough for our purposes. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wl18xx/main.c | 112 ++++++++++++------------ drivers/net/wireless/ti/wl18xx/wl18xx.h | 2 - 2 files changed, 56 insertions(+), 58 deletions(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index 78b2e54a0be7..b2ccff7d6188 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -45,16 +45,18 @@ static char *ht_mode_param = "wide"; static char *board_type_param = "hdk"; -static bool dc2dc_param = false; -static int n_antennas_2_param = 1; -static int n_antennas_5_param = 1; static bool checksum_param = false; static bool enable_11a_param = true; -static int low_band_component = -1; -static int low_band_component_type = -1; -static int high_band_component = -1; -static int high_band_component_type = -1; -static int pwr_limit_reference_11_abg = -1; + +/* phy paramters */ +static int dc2dc_param = -1; +static int n_antennas_2_param = -1; +static int n_antennas_5_param = -1; +static int low_band_component_param = -1; +static int low_band_component_type_param = -1; +static int high_band_component_param = -1; +static int high_band_component_type_param = -1; +static int pwr_limit_reference_11_abg_param = -1; static const u8 wl18xx_rate_to_idx_2ghz[] = { /* MCS rates are used only with 11n */ @@ -516,6 +518,9 @@ static struct wl18xx_priv_conf wl18xx_default_priv_conf = { .low_power_val = 0x00, .med_power_val = 0x0a, .high_power_val = 0x1e, + .external_pa_dc2dc = 0, + .number_of_assembled_ant2_4 = 1, + .number_of_assembled_ant5 = 1, }, }; @@ -1320,17 +1325,17 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) goto out_free; if (!strcmp(board_type_param, "fpga")) { - priv->board_type = BOARD_TYPE_FPGA_18XX; + priv->conf.phy.board_type = BOARD_TYPE_FPGA_18XX; } else if (!strcmp(board_type_param, "hdk")) { - priv->board_type = BOARD_TYPE_HDK_18XX; + priv->conf.phy.board_type = BOARD_TYPE_HDK_18XX; /* HACK! Just for now we hardcode HDK to 0x06 */ priv->conf.phy.low_band_component_type = 0x06; } else if (!strcmp(board_type_param, "dvp")) { - priv->board_type = BOARD_TYPE_DVP_18XX; + priv->conf.phy.board_type = BOARD_TYPE_DVP_18XX; } else if (!strcmp(board_type_param, "evb")) { - priv->board_type = BOARD_TYPE_EVB_18XX; + priv->conf.phy.board_type = BOARD_TYPE_EVB_18XX; } else if (!strcmp(board_type_param, "com8")) { - priv->board_type = BOARD_TYPE_COM8_18XX; + priv->conf.phy.board_type = BOARD_TYPE_COM8_18XX; /* HACK! Just for now we hardcode COM8 to 0x06 */ priv->conf.phy.low_band_component_type = 0x06; } else { @@ -1339,38 +1344,26 @@ static int __devinit wl18xx_probe(struct platform_device *pdev) goto out_free; } - /* - * If the module param is not set, update it with the one from - * conf. If it is set, overwrite conf with it. - */ - if (low_band_component == -1) - low_band_component = priv->conf.phy.low_band_component; - else - priv->conf.phy.low_band_component = low_band_component; - if (low_band_component_type == -1) - low_band_component_type = - priv->conf.phy.low_band_component_type; - else + /* If the module param is set, update it in conf */ + if (low_band_component_param != -1) + priv->conf.phy.low_band_component = low_band_component_param; + if (low_band_component_type_param != -1) priv->conf.phy.low_band_component_type = - low_band_component_type; - - if (high_band_component == -1) - high_band_component = priv->conf.phy.high_band_component; - else - priv->conf.phy.high_band_component = high_band_component; - if (high_band_component_type == -1) - high_band_component_type = - priv->conf.phy.high_band_component_type; - else + low_band_component_type_param; + if (high_band_component_param != -1) + priv->conf.phy.high_band_component = high_band_component_param; + if (high_band_component_type_param != -1) priv->conf.phy.high_band_component_type = - high_band_component_type; - - if (pwr_limit_reference_11_abg == -1) - pwr_limit_reference_11_abg = - priv->conf.phy.pwr_limit_reference_11_abg; - else + high_band_component_type_param; + if (pwr_limit_reference_11_abg_param != -1) priv->conf.phy.pwr_limit_reference_11_abg = - pwr_limit_reference_11_abg; + pwr_limit_reference_11_abg_param; + if (n_antennas_2_param != -1) + priv->conf.phy.number_of_assembled_ant2_4 = n_antennas_2_param; + if (n_antennas_5_param != -1) + priv->conf.phy.number_of_assembled_ant5 = n_antennas_5_param; + if (dc2dc_param != -1) + priv->conf.phy.external_pa_dc2dc = dc2dc_param; if (!checksum_param) { wl18xx_ops.set_rx_csum = NULL; @@ -1422,38 +1415,45 @@ module_param_named(board_type, board_type_param, charp, S_IRUSR); MODULE_PARM_DESC(board_type, "Board type: fpga, hdk (default), evb, com8 or " "dvp"); -module_param_named(dc2dc, dc2dc_param, bool, S_IRUSR); -MODULE_PARM_DESC(dc2dc, "External DC2DC: boolean (defaults to false)"); - -module_param_named(n_antennas_2, n_antennas_2_param, uint, S_IRUSR); -MODULE_PARM_DESC(n_antennas_2, "Number of installed 2.4GHz antennas: 1 (default) or 2"); - -module_param_named(n_antennas_5, n_antennas_5_param, uint, S_IRUSR); -MODULE_PARM_DESC(n_antennas_5, "Number of installed 5GHz antennas: 1 (default) or 2"); - module_param_named(checksum, checksum_param, bool, S_IRUSR); MODULE_PARM_DESC(checksum, "Enable TCP checksum: boolean (defaults to false)"); module_param_named(enable_11a, enable_11a_param, bool, S_IRUSR); MODULE_PARM_DESC(enable_11a, "Enable 11a (5GHz): boolean (defaults to true)"); -module_param(low_band_component, uint, S_IRUSR); +module_param_named(dc2dc, dc2dc_param, int, S_IRUSR); +MODULE_PARM_DESC(dc2dc, "External DC2DC: u8 (defaults to 0)"); + +module_param_named(n_antennas_2, n_antennas_2_param, int, S_IRUSR); +MODULE_PARM_DESC(n_antennas_2, + "Number of installed 2.4GHz antennas: 1 (default) or 2"); + +module_param_named(n_antennas_5, n_antennas_5_param, int, S_IRUSR); +MODULE_PARM_DESC(n_antennas_5, + "Number of installed 5GHz antennas: 1 (default) or 2"); + +module_param_named(low_band_component, low_band_component_param, int, + S_IRUSR); MODULE_PARM_DESC(low_band_component, "Low band component: u8 " "(default is 0x01)"); -module_param(low_band_component_type, uint, S_IRUSR); +module_param_named(low_band_component_type, low_band_component_type_param, + int, S_IRUSR); MODULE_PARM_DESC(low_band_component_type, "Low band component type: u8 " "(default is 0x05 or 0x06 depending on the board_type)"); -module_param(high_band_component, uint, S_IRUSR); +module_param_named(high_band_component, high_band_component_param, int, + S_IRUSR); MODULE_PARM_DESC(high_band_component, "High band component: u8, " "(default is 0x01)"); -module_param(high_band_component_type, uint, S_IRUSR); +module_param_named(high_band_component_type, high_band_component_type_param, + int, S_IRUSR); MODULE_PARM_DESC(high_band_component_type, "High band component type: u8 " "(default is 0x09)"); -module_param(pwr_limit_reference_11_abg, uint, S_IRUSR); +module_param_named(pwr_limit_reference_11_abg, + pwr_limit_reference_11_abg_param, int, S_IRUSR); MODULE_PARM_DESC(pwr_limit_reference_11_abg, "Power limit reference: u8 " "(default is 0xc8)"); diff --git a/drivers/net/wireless/ti/wl18xx/wl18xx.h b/drivers/net/wireless/ti/wl18xx/wl18xx.h index b9c43097d2f6..bc67a4750615 100644 --- a/drivers/net/wireless/ti/wl18xx/wl18xx.h +++ b/drivers/net/wireless/ti/wl18xx/wl18xx.h @@ -35,8 +35,6 @@ struct wl18xx_priv { /* Index of last released Tx desc in FW */ u8 last_fw_rls_idx; - u8 board_type; - /* number of VIFs requiring extra spare mem-blocks */ int extra_spare_vif_count; }; From 3e3947fffc2ebe8c52891b3fca195172875dc951 Mon Sep 17 00:00:00 2001 From: Arik Nemtsov Date: Tue, 29 May 2012 18:38:05 +0300 Subject: [PATCH 224/241] wlcore/wl12xx/wl18xx: make NVS file optional for wl18xx Don't spew errors when we can't find the NVS file in wlcore. Instead fail the wl12xx boot HW op if the NVS isn't found. Take this opportunity to remove some dead code from register_hw() which looks for the NVS again needlessly. Signed-off-by: Arik Nemtsov Signed-off-by: Luciano Coelho --- drivers/net/wireless/ti/wlcore/boot.c | 4 +++- drivers/net/wireless/ti/wlcore/main.c | 22 ++++++---------------- 2 files changed, 9 insertions(+), 17 deletions(-) diff --git a/drivers/net/wireless/ti/wlcore/boot.c b/drivers/net/wireless/ti/wlcore/boot.c index ed718f7ddcce..0fda500c01c9 100644 --- a/drivers/net/wireless/ti/wlcore/boot.c +++ b/drivers/net/wireless/ti/wlcore/boot.c @@ -211,8 +211,10 @@ int wlcore_boot_upload_nvs(struct wl1271 *wl) u32 dest_addr, val; u8 *nvs_ptr, *nvs_aligned; - if (wl->nvs == NULL) + if (wl->nvs == NULL) { + wl1271_error("NVS file is needed during boot"); return -ENODEV; + } if (wl->quirks & WLCORE_QUIRK_LEGACY_NVS) { struct wl1271_nvs_file *nvs = diff --git a/drivers/net/wireless/ti/wlcore/main.c b/drivers/net/wireless/ti/wlcore/main.c index 176a3117889b..1156e3f578c1 100644 --- a/drivers/net/wireless/ti/wlcore/main.c +++ b/drivers/net/wireless/ti/wlcore/main.c @@ -715,7 +715,7 @@ static int wl12xx_fetch_firmware(struct wl1271 *wl, bool plt) return ret; } -static int wl1271_fetch_nvs(struct wl1271 *wl) +static void wl1271_fetch_nvs(struct wl1271 *wl) { const struct firmware *fw; int ret; @@ -723,16 +723,15 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) ret = request_firmware(&fw, WL12XX_NVS_NAME, wl->dev); if (ret < 0) { - wl1271_error("could not get nvs file %s: %d", WL12XX_NVS_NAME, - ret); - return ret; + wl1271_debug(DEBUG_BOOT, "could not get nvs file %s: %d", + WL12XX_NVS_NAME, ret); + return; } wl->nvs = kmemdup(fw->data, fw->size, GFP_KERNEL); if (!wl->nvs) { wl1271_error("could not allocate memory for the nvs file"); - ret = -ENOMEM; goto out; } @@ -740,8 +739,6 @@ static int wl1271_fetch_nvs(struct wl1271 *wl) out: release_firmware(fw); - - return ret; } void wl12xx_queue_recovery_work(struct wl1271 *wl) @@ -989,13 +986,6 @@ static int wl12xx_chip_wakeup(struct wl1271 *wl, bool plt) if (ret < 0) goto out; - /* No NVS from netlink, try to get it from the filesystem */ - if (wl->nvs == NULL) { - ret = wl1271_fetch_nvs(wl); - if (ret < 0) - goto out; - } - out: return ret; } @@ -4937,8 +4927,8 @@ static int wl1271_register_hw(struct wl1271 *wl) if (wl->mac80211_registered) return 0; - ret = wl1271_fetch_nvs(wl); - if (ret == 0) { + wl1271_fetch_nvs(wl); + if (wl->nvs != NULL) { /* NOTE: The wl->nvs->nvs element must be first, in * order to simplify the casting, we assume it is at * the beginning of the wl->nvs structure. From aac495a8002bbf20e879572c6cf0789ab2ffb32b Mon Sep 17 00:00:00 2001 From: Stanislav Yakovlev Date: Mon, 14 May 2012 19:06:19 -0400 Subject: [PATCH 225/241] net/wireless: ipw2100: Fix WARN_ON occurring in wiphy_register called by ipw2100_pci_init_one The problem was found by Larry Finger: http://marc.info/?l=linux-wireless&m=133702401700614&w=2 The problem is identical to the one for ipw2200 which is already fixed: http://marc.info/?l=linux-wireless&m=133457257407196&w=2 [ 17.766431] ------------[ cut here ]------------ [ 17.766467] WARNING: at net/wireless/core.c:562 wiphy_register+0x34c/0x3c0 [cfg80211]() [ 17.766471] Hardware name: Latitude D600 [ 17.766474] Modules linked in: ipw2100(+) libipw pcmcia cfg80211 ppdev parport_pc yenta_socket sr_mod pcmcia_rsrc parport iTCO_wdt cdrom sg rfkill pcmcia_ core lib80211 tg3 video button battery ac iTCO_vendor_support joydev shpchp pcspkr pciehp pci_hotplug autofs4 radeon ttm drm_kms_helper uhci_hcd ehci_hcd rtc _cmos thermal drm hwmon i2c_algo_bit i2c_core processor usbcore usb_common ata_generic ata_piix ahci libahci libata [ 17.766525] Pid: 474, comm: modprobe Not tainted 3.4.0-rc7-wl+ #6 [ 17.766528] Call Trace: [ 17.766541] [] ? printk+0x28/0x2a [ 17.766552] [] warn_slowpath_common+0x6d/0xa0 [ 17.766563] [] ? wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766573] [] ? wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766578] [] warn_slowpath_null+0x1d/0x20 [ 17.766588] [] wiphy_register+0x34c/0x3c0 [cfg80211] [ 17.766605] [] ipw2100_wdev_init+0x196/0x1c0 [ipw2100] [ 17.766616] [] ipw2100_pci_init_one+0x2b2/0x694 [ipw2100] [ 17.766632] [] local_pci_probe+0x42/0xb0 [ 17.766637] [] pci_device_probe+0x60/0x90 [ 17.766645] [] ? sysfs_create_link+0x12/0x20 [ 17.766654] [] really_probe+0x56/0x2e0 [ 17.766659] [] ? create_dir+0x5d/0xa0 [ 17.766667] [] ? pm_runtime_barrier+0x3b/0xa0 [ 17.766672] [] driver_probe_device+0x44/0xa0 [ 17.766677] [] ? pci_match_device+0x97/0xa0 [ 17.766681] [] __driver_attach+0x89/0x90 [ 17.766686] [] ? driver_probe_device+0xa0/0xa0 [ 17.766691] [] bus_for_each_dev+0x3a/0x70 [ 17.766695] [] driver_attach+0x1c/0x30 [ 17.766699] [] ? driver_probe_device+0xa0/0xa0 [ 17.766704] [] bus_add_driver+0x187/0x280 [ 17.766710] [] ? kset_find_obj+0x2d/0x60 [ 17.766715] [] ? pci_device_probe+0x90/0x90 [ 17.766719] [] ? pci_device_probe+0x90/0x90 [ 17.766724] [] driver_register+0x65/0x110 [ 17.766729] [] __pci_register_driver+0x3d/0xa0 [ 17.766738] [] ipw2100_init+0x5c/0x1000 [ipw2100] [ 17.766743] [] do_one_initcall+0x2f/0x170 [ 17.766749] [] ? 0xe09f6fff [ 17.766757] [] sys_init_module+0xa8/0x210 [ 17.766766] [] syscall_call+0x7/0xb [ 17.766769] ---[ end trace 559898c6bb0d1c75 ]--- [ 17.767093] ipw2100: probe of 0000:02:03.0 failed with error -5 This warning appears only if we apply Ben Hutchings' fix http://marc.info/?l=linux-wireless&m=132720204412667&w=2 for the bug reported by Cesare Leonardi http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=656813 with cfg80211 warning during device registration ("cfg80211: failed to add phy80211 symlink to netdev!"). We separate device bring up and registration with network stack to avoid the problem. Signed-off-by: Stanislav Yakovlev Tested-by: Larry Finger Signed-off-by: John W. Linville --- drivers/net/wireless/ipw2x00/ipw2100.c | 20 +++++--------------- 1 file changed, 5 insertions(+), 15 deletions(-) diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c index 9cfae0c08707..95aa8e1683ec 100644 --- a/drivers/net/wireless/ipw2x00/ipw2100.c +++ b/drivers/net/wireless/ipw2x00/ipw2100.c @@ -1903,14 +1903,6 @@ static void ipw2100_down(struct ipw2100_priv *priv) netif_stop_queue(priv->net_dev); } -/* Called by register_netdev() */ -static int ipw2100_net_init(struct net_device *dev) -{ - struct ipw2100_priv *priv = libipw_priv(dev); - - return ipw2100_up(priv, 1); -} - static int ipw2100_wdev_init(struct net_device *dev) { struct ipw2100_priv *priv = libipw_priv(dev); @@ -6087,7 +6079,6 @@ static const struct net_device_ops ipw2100_netdev_ops = { .ndo_stop = ipw2100_close, .ndo_start_xmit = libipw_xmit, .ndo_change_mtu = libipw_change_mtu, - .ndo_init = ipw2100_net_init, .ndo_tx_timeout = ipw2100_tx_timeout, .ndo_set_mac_address = ipw2100_set_address, .ndo_validate_addr = eth_validate_addr, @@ -6329,6 +6320,10 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, printk(KERN_INFO DRV_NAME ": Detected Intel PRO/Wireless 2100 Network Connection\n"); + err = ipw2100_up(priv, 1); + if (err) + goto fail; + err = ipw2100_wdev_init(dev); if (err) goto fail; @@ -6338,12 +6333,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev, * network device we would call ipw2100_up. This introduced a race * condition with newer hotplug configurations (network was coming * up and making calls before the device was initialized). - * - * If we called ipw2100_up before we registered the device, then the - * device name wasn't registered. So, we instead use the net_dev->init - * member to call a function that then just turns and calls ipw2100_up. - * net_dev->init is called after name allocation but before the - * notifier chain is called */ + */ err = register_netdev(dev); if (err) { printk(KERN_WARNING DRV_NAME From 0fde0a8cfd0ede7f310d6a681c8e5a7cb3e32406 Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Wed, 16 May 2012 11:06:21 +0200 Subject: [PATCH 226/241] rtl8187: ->brightness_set can not sleep Fix: BUG: sleeping function called from invalid context at kernel/workqueue.c:2547 in_atomic(): 1, irqs_disabled(): 0, pid: 629, name: wpa_supplicant 2 locks held by wpa_supplicant/629: #0: (rtnl_mutex){+.+.+.}, at: [] rtnl_lock+0x14/0x20 #1: (&trigger->leddev_list_lock){.+.?..}, at: [] led_trigger_event+0x21/0x80 Pid: 629, comm: wpa_supplicant Not tainted 3.3.0-0.rc3.git5.1.fc17.i686 Call Trace: [] __might_sleep+0x126/0x1d0 [] wait_on_work+0x2c/0x1d0 [] __cancel_work_timer+0x6a/0x120 [] cancel_delayed_work_sync+0x10/0x20 [] rtl8187_led_brightness_set+0x82/0xf0 [rtl8187] [] led_trigger_event+0x5c/0x80 [] ieee80211_led_radio+0x1d/0x40 [mac80211] [] ieee80211_stop_device+0x13/0x230 [mac80211] Removing _sync is ok, because if led_on work is currently running it will be finished before led_off work start to perform, since they are always queued on the same mac80211 local->workqueue. Bugzilla: https://bugzilla.redhat.com/show_bug.cgi?id=795176 Signed-off-by: Stanislaw Gruszka Acked-by: Larry Finger Acked-by: Hin-Tak Leung Signed-off-by: John W. Linville --- drivers/net/wireless/rtl818x/rtl8187/leds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/rtl818x/rtl8187/leds.c b/drivers/net/wireless/rtl818x/rtl8187/leds.c index 2e0de2f5f0f9..c2d5b495c179 100644 --- a/drivers/net/wireless/rtl818x/rtl8187/leds.c +++ b/drivers/net/wireless/rtl818x/rtl8187/leds.c @@ -117,7 +117,7 @@ static void rtl8187_led_brightness_set(struct led_classdev *led_dev, radio_on = true; } else if (radio_on) { radio_on = false; - cancel_delayed_work_sync(&priv->led_on); + cancel_delayed_work(&priv->led_on); ieee80211_queue_delayed_work(hw, &priv->led_off, 0); } } else if (radio_on) { From 06cf5c4c5bea549235da1aace86b90d4ad0084f8 Mon Sep 17 00:00:00 2001 From: Qasim Javed Date: Tue, 5 Jun 2012 01:25:44 -0500 Subject: [PATCH 227/241] mac80211_hwsim: Set IEEE80211_STAT_ACK flag when userspace indicates that the frame has been acknowledged. The station fail average is not updated correctly since the IEEE80211_STAT_ACK flag is not set when using wmediumd with mac80211_hwsim. Set this flag when wmediumd indicates that the frame was successfully transmitted (eventually). Signed-off-by: Qasim Javed Signed-off-by: Javier Cardona Signed-off-by: John W. Linville --- drivers/net/wireless/mac80211_hwsim.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c index 4c9336cee817..a0b7cfd34685 100644 --- a/drivers/net/wireless/mac80211_hwsim.c +++ b/drivers/net/wireless/mac80211_hwsim.c @@ -1555,6 +1555,7 @@ static int hwsim_tx_info_frame_received_nl(struct sk_buff *skb_2, hdr = (struct ieee80211_hdr *) skb->data; mac80211_hwsim_monitor_ack(data2->hw, hdr->addr2); } + txi->flags |= IEEE80211_TX_STAT_ACK; } ieee80211_tx_status_irqsafe(data2->hw, skb); return 0; From ce466579b1c92fce78bf5f74a3707f46e228d949 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Tue, 5 Jun 2012 15:42:55 +0200 Subject: [PATCH 228/241] wireless: add my new trees to MAINTAINERS Add my new trees to the MAINTAINERS file for the components that I maintain in the new trees. Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- MAINTAINERS | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/MAINTAINERS b/MAINTAINERS index 55f0fda602ec..03660de94cf7 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1800,6 +1800,9 @@ F: include/linux/cfag12864b.h CFG80211 and NL80211 M: Johannes Berg L: linux-wireless@vger.kernel.org +W: http://wireless.kernel.org/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git S: Maintained F: include/linux/nl80211.h F: include/net/cfg80211.h @@ -4340,7 +4343,8 @@ MAC80211 M: Johannes Berg L: linux-wireless@vger.kernel.org W: http://linuxwireless.org/ -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git S: Maintained F: Documentation/networking/mac80211-injection.txt F: include/net/mac80211.h @@ -4351,7 +4355,8 @@ M: Stefano Brivio M: Mattias Nissler L: linux-wireless@vger.kernel.org W: http://linuxwireless.org/en/developers/Documentation/mac80211/RateControl/PID -T: git git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git S: Maintained F: net/mac80211/rc80211_pid* @@ -5695,6 +5700,9 @@ F: include/linux/remoteproc.h RFKILL M: Johannes Berg L: linux-wireless@vger.kernel.org +W: http://wireless.kernel.org/ +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211.git +T: git git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next.git S: Maintained F: Documentation/rfkill.txt F: net/rfkill/ From d2c8b15d0cb486f4938ba7f2af349d9d1220cb10 Mon Sep 17 00:00:00 2001 From: Meenakshi Venkataraman Date: Tue, 5 Jun 2012 20:24:37 +0200 Subject: [PATCH 229/241] iwlwifi: use correct supported firmware for 6035 and 6000g2 My patch iwlwifi: use correct released ucode version did not correctly report supported firmware for the 6035 device. This patch fixes it. The minimum supported firmware version for 6035 is v6. Also correct the minimum supported firmware version for the 6000g2 series of devices. Cc: stable@kernel.org Signed-off-by: Meenakshi Venkataraman Reviewed-by: Emmanuel Grumbach Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-6000.c | 23 +++++++++++++++++++++-- 1 file changed, 21 insertions(+), 2 deletions(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-6000.c b/drivers/net/wireless/iwlwifi/iwl-6000.c index 19f7ee84ae89..e5e8ada4aaf6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-6000.c +++ b/drivers/net/wireless/iwlwifi/iwl-6000.c @@ -35,17 +35,20 @@ #define IWL6000_UCODE_API_MAX 6 #define IWL6050_UCODE_API_MAX 5 #define IWL6000G2_UCODE_API_MAX 6 +#define IWL6035_UCODE_API_MAX 6 /* Oldest version we won't warn about */ #define IWL6000_UCODE_API_OK 4 #define IWL6000G2_UCODE_API_OK 5 #define IWL6050_UCODE_API_OK 5 #define IWL6000G2B_UCODE_API_OK 6 +#define IWL6035_UCODE_API_OK 6 /* Lowest firmware API version supported */ #define IWL6000_UCODE_API_MIN 4 #define IWL6050_UCODE_API_MIN 4 -#define IWL6000G2_UCODE_API_MIN 4 +#define IWL6000G2_UCODE_API_MIN 5 +#define IWL6035_UCODE_API_MIN 6 /* EEPROM versions */ #define EEPROM_6000_TX_POWER_VERSION (4) @@ -227,9 +230,25 @@ const struct iwl_cfg iwl6030_2bg_cfg = { IWL_DEVICE_6030, }; +#define IWL_DEVICE_6035 \ + .fw_name_pre = IWL6030_FW_PRE, \ + .ucode_api_max = IWL6035_UCODE_API_MAX, \ + .ucode_api_ok = IWL6035_UCODE_API_OK, \ + .ucode_api_min = IWL6035_UCODE_API_MIN, \ + .device_family = IWL_DEVICE_FAMILY_6030, \ + .max_inst_size = IWL60_RTC_INST_SIZE, \ + .max_data_size = IWL60_RTC_DATA_SIZE, \ + .eeprom_ver = EEPROM_6030_EEPROM_VERSION, \ + .eeprom_calib_ver = EEPROM_6030_TX_POWER_VERSION, \ + .base_params = &iwl6000_g2_base_params, \ + .bt_params = &iwl6000_bt_params, \ + .need_temp_offset_calib = true, \ + .led_mode = IWL_LED_RF_STATE, \ + .adv_pm = true + const struct iwl_cfg iwl6035_2agn_cfg = { .name = "Intel(R) Centrino(R) Advanced-N 6235 AGN", - IWL_DEVICE_6030, + IWL_DEVICE_6035, .ht_params = &iwl6000_ht_params, }; From e64add27e1b4874f589e550b4e0ca6715070373f Mon Sep 17 00:00:00 2001 From: Oleksij Rempel Date: Tue, 5 Jun 2012 20:39:32 +0200 Subject: [PATCH 230/241] b43: do not call ieee80211_unregister_hw if we are not registred this patch fixes kernel Oops on "rmmod b43" if firmware was not loaded: BUG: unable to handle kernel NULL pointer dereference at 0000000000000088 IP: [] drain_workqueue+0x25/0x142 PGD 153ac6067 PUD 153b82067 PMD 0 Oops: 0000 [#1] SMP Signed-off-by: Oleksij Rempel Signed-off-by: John W. Linville --- drivers/net/wireless/b43/b43.h | 4 ++++ drivers/net/wireless/b43/main.c | 19 ++++++++++++------- 2 files changed, 16 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h index 67c13af6f206..c06b6cb5c91e 100644 --- a/drivers/net/wireless/b43/b43.h +++ b/drivers/net/wireless/b43/b43.h @@ -877,6 +877,10 @@ struct b43_wl { * from the mac80211 subsystem. */ u16 mac80211_initially_registered_queues; + /* Set this if we call ieee80211_register_hw() and check if we call + * ieee80211_unregister_hw(). */ + bool hw_registred; + /* We can only have one operating interface (802.11 core) * at a time. General information about this interface follows. */ diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c index 5a39b226b2e3..acd03a4f9730 100644 --- a/drivers/net/wireless/b43/main.c +++ b/drivers/net/wireless/b43/main.c @@ -2437,6 +2437,7 @@ static void b43_request_firmware(struct work_struct *work) err = ieee80211_register_hw(wl->hw); if (err) goto err_one_core_detach; + wl->hw_registred = true; b43_leds_register(wl->current_dev); goto out; @@ -5299,6 +5300,7 @@ static struct b43_wl *b43_wireless_init(struct b43_bus_dev *dev) hw->queues = modparam_qos ? B43_QOS_QUEUE_NUM : 1; wl->mac80211_initially_registered_queues = hw->queues; + wl->hw_registred = false; hw->max_rates = 2; SET_IEEE80211_DEV(hw, dev->dev); if (is_valid_ether_addr(sprom->et1mac)) @@ -5370,12 +5372,15 @@ static void b43_bcma_remove(struct bcma_device *core) * as the ieee80211 unreg will destroy the workqueue. */ cancel_work_sync(&wldev->restart_work); - /* Restore the queues count before unregistering, because firmware detect - * might have modified it. Restoring is important, so the networking - * stack can properly free resources. */ - wl->hw->queues = wl->mac80211_initially_registered_queues; - b43_leds_stop(wldev); - ieee80211_unregister_hw(wl->hw); + B43_WARN_ON(!wl); + if (wl->current_dev == wldev && wl->hw_registred) { + /* Restore the queues count before unregistering, because firmware detect + * might have modified it. Restoring is important, so the networking + * stack can properly free resources. */ + wl->hw->queues = wl->mac80211_initially_registered_queues; + b43_leds_stop(wldev); + ieee80211_unregister_hw(wl->hw); + } b43_one_core_detach(wldev->dev); @@ -5446,7 +5451,7 @@ static void b43_ssb_remove(struct ssb_device *sdev) cancel_work_sync(&wldev->restart_work); B43_WARN_ON(!wl); - if (wl->current_dev == wldev) { + if (wl->current_dev == wldev && wl->hw_registred) { /* Restore the queues count before unregistering, because firmware detect * might have modified it. Restoring is important, so the networking * stack can properly free resources. */ From e7027075d0d8fe2d1bf7b0db24623328d2601d3c Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Tue, 5 Jun 2012 20:58:20 +0200 Subject: [PATCH 231/241] bcma: fix null pointer in bcma_core_pci_irq_ctl pc could be null if hosttype != BCMA_HOSTTYPE_PCI. If we are on a device without a pci core this function is called with pc = null by b43 and brcmsmac. If the host type is PCI we have a pci core as well and pc can not be null. Signed-off-by: Hauke Mehrtens Signed-off-by: John W. Linville --- drivers/bcma/driver_pci.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/drivers/bcma/driver_pci.c b/drivers/bcma/driver_pci.c index 9a96f14c8f47..c32ebd537abe 100644 --- a/drivers/bcma/driver_pci.c +++ b/drivers/bcma/driver_pci.c @@ -232,17 +232,19 @@ void __devinit bcma_core_pci_init(struct bcma_drv_pci *pc) int bcma_core_pci_irq_ctl(struct bcma_drv_pci *pc, struct bcma_device *core, bool enable) { - struct pci_dev *pdev = pc->core->bus->host_pci; + struct pci_dev *pdev; u32 coremask, tmp; int err = 0; - if (core->bus->hosttype != BCMA_HOSTTYPE_PCI) { + if (!pc || core->bus->hosttype != BCMA_HOSTTYPE_PCI) { /* This bcma device is not on a PCI host-bus. So the IRQs are * not routed through the PCI core. * So we must not enable routing through the PCI core. */ goto out; } + pdev = pc->core->bus->host_pci; + err = pci_read_config_dword(pdev, BCMA_PCI_IRQMASK, &tmp); if (err) goto out; From d6ee27eb13beab94056e0de52d81220058ca2297 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Wed, 6 Jun 2012 09:13:36 +0200 Subject: [PATCH 232/241] iwlwifi: don't mess up the SCD when removing a key When we remove a key, we put a key index which was supposed to tell the fw that we are actually removing the key. But instead the fw took that index as a valid index and messed up the SRAM of the device. This memory corruption on the device mangled the data of the SCD. The impact on the user is that SCD queue 2 got stuck after having removed keys. The message is the log that was printed is: Queue 2 stuck for 10000ms This doesn't seem to fix the higher queues that get stuck from time to time. Cc: stable@vger.kernel.org [2.6.27+] Reviewed-by: Meenakshi Venkataraman Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-agn-sta.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c index aea07aab3c9e..eb6a8eaf42fc 100644 --- a/drivers/net/wireless/iwlwifi/iwl-agn-sta.c +++ b/drivers/net/wireless/iwlwifi/iwl-agn-sta.c @@ -1267,7 +1267,7 @@ int iwl_remove_dynamic_key(struct iwl_priv *priv, key_flags |= STA_KEY_MULTICAST_MSK; sta_cmd.key.key_flags = key_flags; - sta_cmd.key.key_offset = WEP_INVALID_OFFSET; + sta_cmd.key.key_offset = keyconf->hw_key_idx; sta_cmd.sta.modify_mask = STA_MODIFY_KEY_MASK; sta_cmd.mode = STA_CONTROL_MODIFY_MSK; From d012d04e4d6312ea157b6cf19e9689af934f5aa7 Mon Sep 17 00:00:00 2001 From: Emmanuel Grumbach Date: Wed, 6 Jun 2012 13:55:02 +0200 Subject: [PATCH 233/241] iwlwifi: disable the buggy chain extension feature in HW This feature has been reported to be buggy and enabled by default. We therefore need to disable it manually. Cc: stable@vger.kernel.org Signed-off-by: Emmanuel Grumbach Signed-off-by: Johannes Berg Signed-off-by: John W. Linville --- drivers/net/wireless/iwlwifi/iwl-prph.h | 1 + drivers/net/wireless/iwlwifi/iwl-trans-pcie.c | 5 +++++ 2 files changed, 6 insertions(+) diff --git a/drivers/net/wireless/iwlwifi/iwl-prph.h b/drivers/net/wireless/iwlwifi/iwl-prph.h index 3b1069290fa9..dfd54662e3e6 100644 --- a/drivers/net/wireless/iwlwifi/iwl-prph.h +++ b/drivers/net/wireless/iwlwifi/iwl-prph.h @@ -224,6 +224,7 @@ #define SCD_TXFACT (SCD_BASE + 0x10) #define SCD_ACTIVE (SCD_BASE + 0x14) #define SCD_QUEUECHAIN_SEL (SCD_BASE + 0xe8) +#define SCD_CHAINEXT_EN (SCD_BASE + 0x244) #define SCD_AGGR_SEL (SCD_BASE + 0x248) #define SCD_INTERRUPT_MASK (SCD_BASE + 0x108) diff --git a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c index ec6fb395b84d..79c6b91417f9 100644 --- a/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c +++ b/drivers/net/wireless/iwlwifi/iwl-trans-pcie.c @@ -1058,6 +1058,11 @@ static void iwl_tx_start(struct iwl_trans *trans) iwl_write_prph(trans, SCD_DRAM_BASE_ADDR, trans_pcie->scd_bc_tbls.dma >> 10); + /* The chain extension of the SCD doesn't work well. This feature is + * enabled by default by the HW, so we need to disable it manually. + */ + iwl_write_prph(trans, SCD_CHAINEXT_EN, 0); + /* Enable DMA channel */ for (chan = 0; chan < FH_TCSR_CHNL_NUM ; chan++) iwl_write_direct32(trans, FH_TCSR_CHNL_TX_CONFIG_REG(chan), From 58d1eab7ef1d7ff8e448699dfd1a21b7f3303296 Mon Sep 17 00:00:00 2001 From: Sasha Levin Date: Wed, 6 Jun 2012 23:02:55 +0200 Subject: [PATCH 234/241] NFC: Fix possible NULL ptr deref when getting the name of a socket llcp_sock_getname() might get called before the LLCP socket was created. This condition isn't checked, and llcp_sock_getname will simply deref a NULL ptr in that case. This exists starting with d646960 ("NFC: Initial LLCP support"). Signed-off-by: Sasha Levin Signed-off-by: John W. Linville --- net/nfc/llcp/sock.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/net/nfc/llcp/sock.c b/net/nfc/llcp/sock.c index 3f339b19d140..17a707db40eb 100644 --- a/net/nfc/llcp/sock.c +++ b/net/nfc/llcp/sock.c @@ -292,6 +292,9 @@ static int llcp_sock_getname(struct socket *sock, struct sockaddr *addr, pr_debug("%p\n", sk); + if (llcp_sock == NULL) + return -EBADFD; + addr->sa_family = AF_NFC; *len = sizeof(struct sockaddr_nfc_llcp); From 6aee4ca3d2217d3f76469e5ed576d62695f0912a Mon Sep 17 00:00:00 2001 From: Stanislaw Gruszka Date: Thu, 7 Jun 2012 14:47:21 +0200 Subject: [PATCH 235/241] mac80211: add back channel change flag commit 24398e39c8ee4a9d9123eed322b859ece4d16cac Author: Johannes Berg Date: Wed Mar 28 10:58:36 2012 +0200 mac80211: set HT channel before association removed IEEE80211_CONF_CHANGE_CHANNEL argument from ieee80211_hw_config, which is required by iwl4965 driver, otherwise that driver does not configure channel properly and is not able to associate. Signed-off-by: Stanislaw Gruszka Signed-off-by: John W. Linville --- net/mac80211/mlme.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/net/mac80211/mlme.c b/net/mac80211/mlme.c index d94627c2929c..91d84cc77bbf 100644 --- a/net/mac80211/mlme.c +++ b/net/mac80211/mlme.c @@ -3124,7 +3124,7 @@ static int ieee80211_prep_connection(struct ieee80211_sub_if_data *sdata, } local->oper_channel = cbss->channel; - ieee80211_hw_config(local, 0); + ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); if (!have_sta) { u32 rates = 0, basic_rates = 0; From 934b9d1ed71cca5a220ec13e3f76d6aebf5183da Mon Sep 17 00:00:00 2001 From: "John W. Linville" Date: Fri, 8 Jun 2012 14:24:53 -0400 Subject: [PATCH 236/241] wl18xx: avoid some -Wformat warnings MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit CC drivers/net/wireless/ti/wl18xx/main.o drivers/net/wireless/ti/wl18xx/main.c: In function ‘wl18xx_conf_init’: drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat] drivers/net/wireless/ti/wl18xx/main.c:1024:3: warning: format ‘%d’ expects argument of type ‘int’, but argument 3 has type ‘size_t’ [-Wformat] Signed-off-by: John W. Linville --- drivers/net/wireless/ti/wl18xx/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/net/wireless/ti/wl18xx/main.c b/drivers/net/wireless/ti/wl18xx/main.c index b2ccff7d6188..ed9c3650e08a 100644 --- a/drivers/net/wireless/ti/wl18xx/main.c +++ b/drivers/net/wireless/ti/wl18xx/main.c @@ -1022,7 +1022,8 @@ static int wl18xx_conf_init(struct wl1271 *wl, struct device *dev) if (fw->size != WL18XX_CONF_SIZE) { wl1271_error("configuration binary file size is wrong, " - "expected %d got %d", WL18XX_CONF_SIZE, fw->size); + "expected %ld got %zd", + WL18XX_CONF_SIZE, fw->size); ret = -EINVAL; goto out; } From 38e8b7d977786b0059c02744e4b96bc1e206d891 Mon Sep 17 00:00:00 2001 From: Bing Zhao Date: Wed, 6 Jun 2012 21:12:40 -0700 Subject: [PATCH 237/241] mwifiex: shorten per channel scan time Currently the scan time per channel for active scanning is set to 200ms. It takes quite a while to finsh scanning on all channels, especially with a dual band configuration. Change the per channel scan time settings to the following values: passive scan: 110ms active scan: 30ms specific scan: 30ms Above settings have been tested on x86 and arm platforms. Signed-off-by: Bing Zhao Signed-off-by: Amitkumar Karwar Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/main.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index bd3b0bf94b9e..cbad00d7eb11 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -79,9 +79,9 @@ enum { #define SCAN_BEACON_ENTRY_PAD 6 -#define MWIFIEX_PASSIVE_SCAN_CHAN_TIME 200 -#define MWIFIEX_ACTIVE_SCAN_CHAN_TIME 200 -#define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 110 +#define MWIFIEX_PASSIVE_SCAN_CHAN_TIME 110 +#define MWIFIEX_ACTIVE_SCAN_CHAN_TIME 30 +#define MWIFIEX_SPECIFIC_SCAN_CHAN_TIME 30 #define SCAN_RSSI(RSSI) (0x100 - ((u8)(RSSI))) From 3249ba7376caa93af387d8e6b5e41b290934f88c Mon Sep 17 00:00:00 2001 From: Amitkumar Karwar Date: Wed, 6 Jun 2012 21:12:41 -0700 Subject: [PATCH 238/241] mwifiex: fix simultaneous scan and Tx traffic problem If scan operation is started when Tx traffic is already running, driver locks Tx queue until it gets completed. With this logic there is a delay for Tx packets. This patch implements new approach to give Tx path higher priority in this case. Driver internally sends multiple synchronous scan commands to firmware when scan is requested by user. Now we will make sure that Tx queue is empty everytime before sending next scan command. If Tx queue isn't empty scan command will be postponsed by 20msec. This rule will be followed until Tx queue becomes empty or timeout of 1 second happens. In case of timeout scan operation will be aborted. Signed-off-by: Amitkumar Karwar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/init.c | 65 +++++++++++++++++++++++++++++ drivers/net/wireless/mwifiex/main.c | 4 +- drivers/net/wireless/mwifiex/main.h | 5 +++ drivers/net/wireless/mwifiex/scan.c | 25 +++++++---- 4 files changed, 89 insertions(+), 10 deletions(-) diff --git a/drivers/net/wireless/mwifiex/init.c b/drivers/net/wireless/mwifiex/init.c index c1cb004db913..0f18ef6a30c8 100644 --- a/drivers/net/wireless/mwifiex/init.c +++ b/drivers/net/wireless/mwifiex/init.c @@ -57,6 +57,68 @@ static int mwifiex_add_bss_prio_tbl(struct mwifiex_private *priv) return 0; } +static void scan_delay_timer_fn(unsigned long data) +{ + struct mwifiex_private *priv = (struct mwifiex_private *)data; + struct mwifiex_adapter *adapter = priv->adapter; + struct cmd_ctrl_node *cmd_node, *tmp_node; + unsigned long flags; + + if (!mwifiex_wmm_lists_empty(adapter)) { + if (adapter->scan_delay_cnt == MWIFIEX_MAX_SCAN_DELAY_CNT) { + /* + * Abort scan operation by cancelling all pending scan + * command + */ + spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); + list_for_each_entry_safe(cmd_node, tmp_node, + &adapter->scan_pending_q, + list) { + list_del(&cmd_node->list); + cmd_node->wait_q_enabled = false; + mwifiex_insert_cmd_to_free_q(adapter, cmd_node); + } + spin_unlock_irqrestore(&adapter->scan_pending_q_lock, + flags); + + spin_lock_irqsave(&adapter->mwifiex_cmd_lock, flags); + adapter->scan_processing = false; + spin_unlock_irqrestore(&adapter->mwifiex_cmd_lock, + flags); + + if (priv->user_scan_cfg) { + dev_dbg(priv->adapter->dev, + "info: %s: scan aborted\n", __func__); + cfg80211_scan_done(priv->scan_request, 1); + priv->scan_request = NULL; + kfree(priv->user_scan_cfg); + priv->user_scan_cfg = NULL; + } + } else { + /* + * Tx data queue is still not empty, delay scan + * operation further by 20msec. + */ + mod_timer(&priv->scan_delay_timer, jiffies + + msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC)); + adapter->scan_delay_cnt++; + } + } else { + /* + * Tx data queue is empty. Get scan command from scan_pending_q + * and put to cmd_pending_q to resume scan operation + */ + adapter->scan_delay_cnt = 0; + spin_lock_irqsave(&adapter->scan_pending_q_lock, flags); + cmd_node = list_first_entry(&adapter->scan_pending_q, + struct cmd_ctrl_node, list); + list_del(&cmd_node->list); + spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); + + mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); + } +} + /* * This function initializes the private structure and sets default * values to the members. @@ -136,6 +198,9 @@ static int mwifiex_init_priv(struct mwifiex_private *priv) priv->scan_block = false; + setup_timer(&priv->scan_delay_timer, scan_delay_timer_fn, + (unsigned long)priv); + return mwifiex_add_bss_prio_tbl(priv); } diff --git a/drivers/net/wireless/mwifiex/main.c b/drivers/net/wireless/mwifiex/main.c index 3192855c31c0..0f06f07a70e6 100644 --- a/drivers/net/wireless/mwifiex/main.c +++ b/drivers/net/wireless/mwifiex/main.c @@ -244,8 +244,8 @@ int mwifiex_main_process(struct mwifiex_adapter *adapter) } } - if (!adapter->scan_processing && !adapter->data_sent && - !mwifiex_wmm_lists_empty(adapter)) { + if ((!adapter->scan_processing || adapter->scan_delay_cnt) && + !adapter->data_sent && !mwifiex_wmm_lists_empty(adapter)) { mwifiex_wmm_process_tx(adapter); if (adapter->hs_activated) { adapter->is_hs_configured = false; diff --git a/drivers/net/wireless/mwifiex/main.h b/drivers/net/wireless/mwifiex/main.h index cbad00d7eb11..5b32221077c4 100644 --- a/drivers/net/wireless/mwifiex/main.h +++ b/drivers/net/wireless/mwifiex/main.h @@ -87,6 +87,9 @@ enum { #define MWIFIEX_MAX_TOTAL_SCAN_TIME (MWIFIEX_TIMER_10S - MWIFIEX_TIMER_1S) +#define MWIFIEX_MAX_SCAN_DELAY_CNT 50 +#define MWIFIEX_SCAN_DELAY_MSEC 20 + #define RSN_GTK_OUI_OFFSET 2 #define MWIFIEX_OUI_NOT_PRESENT 0 @@ -482,6 +485,7 @@ struct mwifiex_private { u16 proberesp_idx; u16 assocresp_idx; u16 rsn_idx; + struct timer_list scan_delay_timer; }; enum mwifiex_ba_status { @@ -686,6 +690,7 @@ struct mwifiex_adapter { struct completion fw_load; u8 country_code[IEEE80211_COUNTRY_STRING_LEN]; u16 max_mgmt_ie_index; + u8 scan_delay_cnt; }; int mwifiex_init_lock_list(struct mwifiex_adapter *adapter); diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index 74f045715723..ea2f1bdef8a2 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -1772,14 +1772,23 @@ int mwifiex_ret_802_11_scan(struct mwifiex_private *priv, priv->user_scan_cfg = NULL; } } else { - /* Get scan command from scan_pending_q and put to - cmd_pending_q */ - cmd_node = list_first_entry(&adapter->scan_pending_q, - struct cmd_ctrl_node, list); - list_del(&cmd_node->list); - spin_unlock_irqrestore(&adapter->scan_pending_q_lock, flags); - - mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, true); + if (!mwifiex_wmm_lists_empty(adapter)) { + spin_unlock_irqrestore(&adapter->scan_pending_q_lock, + flags); + adapter->scan_delay_cnt = 1; + mod_timer(&priv->scan_delay_timer, jiffies + + msecs_to_jiffies(MWIFIEX_SCAN_DELAY_MSEC)); + } else { + /* Get scan command from scan_pending_q and put to + cmd_pending_q */ + cmd_node = list_first_entry(&adapter->scan_pending_q, + struct cmd_ctrl_node, list); + list_del(&cmd_node->list); + spin_unlock_irqrestore(&adapter->scan_pending_q_lock, + flags); + mwifiex_insert_cmd_to_pending_q(adapter, cmd_node, + true); + } } done: From 658f37b736ce335edcdf1425228e8652ec6adf24 Mon Sep 17 00:00:00 2001 From: Amitkumar Karwar Date: Wed, 6 Jun 2012 21:12:42 -0700 Subject: [PATCH 239/241] mwifiex: scan less channels per scan command to improve Tx traffic Currently 4 channels are scanned per scan command. if scan request is issued by user during Tx traffic, radio will be out of channel for "4 * per_chan_scan_time" for each scan command and will not be able to receive Rx packets. This adds delay in data traffic. We can minimize it by reducing number of channels scanned per scan command in this scenario. We can not always scan 1 channel per scan command due to limitation of number of command buffers. So we add code to decide number of channels scanned per scan command in associated state. Signed-off-by: Amitkumar Karwar Signed-off-by: Bing Zhao Signed-off-by: John W. Linville --- drivers/net/wireless/mwifiex/scan.c | 34 +++++++++++++++++++++++------ 1 file changed, 27 insertions(+), 7 deletions(-) diff --git a/drivers/net/wireless/mwifiex/scan.c b/drivers/net/wireless/mwifiex/scan.c index ea2f1bdef8a2..efaf26ccd6ba 100644 --- a/drivers/net/wireless/mwifiex/scan.c +++ b/drivers/net/wireless/mwifiex/scan.c @@ -28,7 +28,10 @@ /* The maximum number of channels the firmware can scan per command */ #define MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN 14 -#define MWIFIEX_CHANNELS_PER_SCAN_CMD 4 +#define MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD 4 +#define MWIFIEX_LIMIT_1_CHANNEL_PER_SCAN_CMD 15 +#define MWIFIEX_LIMIT_2_CHANNELS_PER_SCAN_CMD 27 +#define MWIFIEX_LIMIT_3_CHANNELS_PER_SCAN_CMD 35 /* Memory needed to store a max sized Channel List TLV for a firmware scan */ #define CHAN_TLV_MAX_SIZE (sizeof(struct mwifiex_ie_types_header) \ @@ -471,7 +474,7 @@ mwifiex_is_network_compatible(struct mwifiex_private *priv, * This routine is used for any scan that is not provided with a * specific channel list to scan. */ -static void +static int mwifiex_scan_create_channel_list(struct mwifiex_private *priv, const struct mwifiex_user_scan_cfg *user_scan_in, @@ -528,6 +531,7 @@ mwifiex_scan_create_channel_list(struct mwifiex_private *priv, } } + return chan_idx; } /* @@ -727,6 +731,7 @@ mwifiex_config_scan(struct mwifiex_private *priv, u32 num_probes; u32 ssid_len; u32 chan_idx; + u32 chan_num; u32 scan_type; u16 scan_dur; u8 channel; @@ -850,7 +855,7 @@ mwifiex_config_scan(struct mwifiex_private *priv, if (*filtered_scan) *max_chan_per_scan = MWIFIEX_MAX_CHANNELS_PER_SPECIFIC_SCAN; else - *max_chan_per_scan = MWIFIEX_CHANNELS_PER_SCAN_CMD; + *max_chan_per_scan = MWIFIEX_DEF_CHANNELS_PER_SCAN_CMD; /* If the input config or adapter has the number of Probes set, add tlv */ @@ -962,13 +967,28 @@ mwifiex_config_scan(struct mwifiex_private *priv, dev_dbg(adapter->dev, "info: Scan: Scanning current channel only\n"); } - + chan_num = chan_idx; } else { dev_dbg(adapter->dev, "info: Scan: Creating full region channel list\n"); - mwifiex_scan_create_channel_list(priv, user_scan_in, - scan_chan_list, - *filtered_scan); + chan_num = mwifiex_scan_create_channel_list(priv, user_scan_in, + scan_chan_list, + *filtered_scan); + } + + /* + * In associated state we will reduce the number of channels scanned per + * scan command to avoid any traffic delay/loss. This number is decided + * based on total number of channels to be scanned due to constraints + * of command buffers. + */ + if (priv->media_connected) { + if (chan_num < MWIFIEX_LIMIT_1_CHANNEL_PER_SCAN_CMD) + *max_chan_per_scan = 1; + else if (chan_num < MWIFIEX_LIMIT_2_CHANNELS_PER_SCAN_CMD) + *max_chan_per_scan = 2; + else if (chan_num < MWIFIEX_LIMIT_3_CHANNELS_PER_SCAN_CMD) + *max_chan_per_scan = 3; } } From cba63e99e58231ecd665b0eddc9b73c65fe9c17c Mon Sep 17 00:00:00 2001 From: Sujith Manoharan Date: Fri, 8 Jun 2012 13:24:55 +0530 Subject: [PATCH 240/241] ath9k_hw: Initvals update for AR9462 MSI is enabled by default for most of the 4th generation chips. Add this for AR9462 - this fixes PowerSave operation, the chip was not entering Network-Sleep mode earlier. With proper powering down of the MAC now, power consumption in associated state is reduced considerably. Signed-off-by: Sujith Manoharan Signed-off-by: John W. Linville --- drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h index a10ece0cb6cd..4a93e1534c1d 100644 --- a/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h +++ b/drivers/net/wireless/ath/ath9k/ar9462_2p0_initvals.h @@ -1007,6 +1007,7 @@ static const u32 ar9462_2p0_radio_core[][2] = { static const u32 ar9462_2p0_soc_preamble[][2] = { /* Addr allmodes */ + {0x000040a4 ,0x00a0c1c9}, {0x00007020, 0x00000000}, {0x00007034, 0x00000002}, {0x00007038, 0x000004c2}, From 7f0d9f430dc99303558adc30a75eef10c43f7bec Mon Sep 17 00:00:00 2001 From: Jonas Gorski Date: Sun, 10 Jun 2012 22:11:56 +0200 Subject: [PATCH 241/241] ssb: add missing PCI ID for b/g/n single band BCM4322 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 14e4:432c is found on some bcm63xx devices. The device is working fine with b43. Reported-by: Álvaro Fernández Rojas Signed-off-by: Jonas Gorski Signed-off-by: John W. Linville --- drivers/ssb/b43_pci_bridge.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/ssb/b43_pci_bridge.c b/drivers/ssb/b43_pci_bridge.c index f551e5376147..266aa1648a02 100644 --- a/drivers/ssb/b43_pci_bridge.c +++ b/drivers/ssb/b43_pci_bridge.c @@ -36,6 +36,7 @@ static const struct pci_device_id b43_pci_bridge_tbl[] = { { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4328) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4329) }, { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432b) }, + { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x432c) }, { 0, }, }; MODULE_DEVICE_TABLE(pci, b43_pci_bridge_tbl);