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iwlwifi: eliminate conf_ht
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This patch eliminates the use of conf_ht in iwlwifi driver, replacing it
with bss_info_changed.

Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Ron Rindjunsky <ron.rindjunsky@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Tomas Winkler authored and John W. Linville committed Apr 8, 2008
1 parent 38668c0 commit 98952d5
Showing 1 changed file with 63 additions and 83 deletions.
146 changes: 63 additions & 83 deletions drivers/net/wireless/iwlwifi/iwl4965-base.c
View file
Original file line number Diff line number Diff line change
Expand Up @@ -6941,6 +6941,64 @@ static void iwl4965_mac_remove_interface(struct ieee80211_hw *hw,

}


#ifdef CONFIG_IWL4965_HT
static void iwl4965_ht_conf(struct iwl_priv *priv,
struct ieee80211_bss_conf *bss_conf)
{
struct ieee80211_ht_info *ht_conf = bss_conf->ht_conf;
struct ieee80211_ht_bss_info *ht_bss_conf = bss_conf->ht_bss_conf;
struct iwl_ht_info *iwl_conf = &priv->current_ht_config;

IWL_DEBUG_MAC80211("enter: \n");

iwl_conf->is_ht = bss_conf->assoc_ht;

if (!iwl_conf->is_ht)
return;

priv->ps_mode = (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);

if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
iwl_conf->sgf |= 0x1;
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
iwl_conf->sgf |= 0x2;

iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
iwl_conf->max_amsdu_size =
!!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);

iwl_conf->supported_chan_width =
!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH);
iwl_conf->extension_chan_offset =
ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
/* If no above or below channel supplied disable FAT channel */
if (iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_ABOVE &&
iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_BELOW)
iwl_conf->supported_chan_width = 0;

iwl_conf->tx_mimo_ps_mode =
(u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16);

iwl_conf->control_channel = ht_bss_conf->primary_channel;
iwl_conf->tx_chan_width =
!!(ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_WIDTH);
iwl_conf->ht_protection =
ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_HT_PROTECTION;
iwl_conf->non_GF_STA_present =
!!(ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_NON_GF_STA_PRSNT);

IWL_DEBUG_MAC80211("control channel %d\n", iwl_conf->control_channel);
IWL_DEBUG_MAC80211("leave\n");
}
#else
static inline void iwl4965_ht_conf(struct iwl_priv *priv,
struct ieee80211_bss_conf *bss_conf)
{
}
#endif

static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *bss_conf,
Expand All @@ -6962,6 +7020,11 @@ static void iwl4965_bss_info_changed(struct ieee80211_hw *hw,
priv->staging_rxon.flags &= ~RXON_FLG_TGG_PROTECT_MSK;
}

if (changes & BSS_CHANGED_HT) {
iwl4965_ht_conf(priv, bss_conf);
iwl4965_set_rxon_chain(priv);
}

if (changes & BSS_CHANGED_ASSOC) {
/*
* TODO:
Expand Down Expand Up @@ -7358,88 +7421,6 @@ static int iwl4965_mac_beacon_update(struct ieee80211_hw *hw, struct sk_buff *sk
return 0;
}

#ifdef CONFIG_IWL4965_HT

static void iwl4965_ht_info_fill(struct ieee80211_conf *conf,
struct iwl_priv *priv)
{
struct iwl_ht_info *iwl_conf = &priv->current_ht_config;
struct ieee80211_ht_info *ht_conf = &conf->ht_conf;
struct ieee80211_ht_bss_info *ht_bss_conf = &conf->ht_bss_conf;

IWL_DEBUG_MAC80211("enter: \n");

if (!(conf->flags & IEEE80211_CONF_SUPPORT_HT_MODE)) {
iwl_conf->is_ht = 0;
return;
}

iwl_conf->is_ht = 1;
priv->ps_mode = (u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);

if (ht_conf->cap & IEEE80211_HT_CAP_SGI_20)
iwl_conf->sgf |= 0x1;
if (ht_conf->cap & IEEE80211_HT_CAP_SGI_40)
iwl_conf->sgf |= 0x2;

iwl_conf->is_green_field = !!(ht_conf->cap & IEEE80211_HT_CAP_GRN_FLD);
iwl_conf->max_amsdu_size =
!!(ht_conf->cap & IEEE80211_HT_CAP_MAX_AMSDU);

iwl_conf->supported_chan_width =
!!(ht_conf->cap & IEEE80211_HT_CAP_SUP_WIDTH);
iwl_conf->extension_chan_offset =
ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_SEC_OFFSET;
/* If no above or below channel supplied disable FAT channel */
if (iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_ABOVE &&
iwl_conf->extension_chan_offset != IWL_EXT_CHANNEL_OFFSET_BELOW)
iwl_conf->supported_chan_width = 0;

iwl_conf->tx_mimo_ps_mode =
(u8)((ht_conf->cap & IEEE80211_HT_CAP_MIMO_PS) >> 2);
memcpy(iwl_conf->supp_mcs_set, ht_conf->supp_mcs_set, 16);

iwl_conf->control_channel = ht_bss_conf->primary_channel;
iwl_conf->tx_chan_width =
!!(ht_bss_conf->bss_cap & IEEE80211_HT_IE_CHA_WIDTH);
iwl_conf->ht_protection =
ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_HT_PROTECTION;
iwl_conf->non_GF_STA_present =
!!(ht_bss_conf->bss_op_mode & IEEE80211_HT_IE_NON_GF_STA_PRSNT);

IWL_DEBUG_MAC80211("control channel %d\n",
iwl_conf->control_channel);
IWL_DEBUG_MAC80211("leave\n");
}

static int iwl4965_mac_conf_ht(struct ieee80211_hw *hw,
struct ieee80211_conf *conf)
{
struct iwl_priv *priv = hw->priv;

IWL_DEBUG_MAC80211("enter: \n");

iwl4965_ht_info_fill(conf, priv);
iwl4965_set_rxon_chain(priv);

if (priv && priv->assoc_id &&
(priv->iw_mode == IEEE80211_IF_TYPE_STA)) {
unsigned long flags;

spin_lock_irqsave(&priv->lock, flags);
if (priv->beacon_int)
queue_work(priv->workqueue, &priv->post_associate.work);
else
priv->call_post_assoc_from_beacon = 1;
spin_unlock_irqrestore(&priv->lock, flags);
}

IWL_DEBUG_MAC80211("leave:\n");
return 0;
}

#endif /*CONFIG_IWL4965_HT*/

/*****************************************************************************
*
* sysfs attributes
Expand Down Expand Up @@ -7999,7 +7980,6 @@ static struct ieee80211_ops iwl4965_hw_ops = {
.beacon_update = iwl4965_mac_beacon_update,
.bss_info_changed = iwl4965_bss_info_changed,
#ifdef CONFIG_IWL4965_HT
.conf_ht = iwl4965_mac_conf_ht,
.ampdu_action = iwl4965_mac_ampdu_action,
#endif /* CONFIG_IWL4965_HT */
.hw_scan = iwl4965_mac_hw_scan
Expand Down

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