---

yaml
---
r: 171065
b: refs/heads/master
c: 4a56e96
h: refs/heads/master
i:
  171063: 53dc937
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 480e8407dc0bccdd8d7cfe29b8fcaaa21dd20e68
+refs/heads/master: 4a56e9652ec2ffce87b099aa2fc5b4eb2d5b2666

trunk/drivers/net/wireless/iwlwifi/iwl-3945.c

@@ -1982,12 +1982,6 @@ static int iwl3945_commit_rxon(struct iwl_priv *priv)
 	return 0;
 }
 
-/* will add 3945 channel switch cmd handling later */
-int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel)
-{
-	return 0;
-}
-
 /**
  * iwl3945_reg_txpower_periodic -  called when time to check our temperature.
  *

trunk/drivers/net/wireless/iwlwifi/iwl-3945.h

@@ -280,8 +280,6 @@ extern void iwl3945_config_ap(struct iwl_priv *priv);
  */
 extern u8 iwl3945_hw_find_station(struct iwl_priv *priv, const u8 *bssid);
 
-extern int iwl3945_hw_channel_switch(struct iwl_priv *priv, u16 channel);
-
 /*
  * Forward declare iwl-3945.c functions for iwl-base.c
  */

trunk/drivers/net/wireless/iwlwifi/iwl-4965.c

@@ -1433,14 +1433,13 @@ static int iwl4965_send_rxon_assoc(struct iwl_priv *priv)
 	return ret;
 }
 
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
 static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 {
 	int rc;
 	u8 band = 0;
 	bool is_ht40 = false;
 	u8 ctrl_chan_high = 0;
-	struct iwl4965_channel_switch_cmd cmd = { 0 };
+	struct iwl4965_channel_switch_cmd cmd;
 	const struct iwl_channel_info *ch_info;
 
 	band = priv->band == IEEE80211_BAND_2GHZ;
@@ -1461,8 +1460,11 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
 	if (ch_info)
 		cmd.expect_beacon = is_channel_radar(ch_info);
-	else
-		cmd.expect_beacon = 1;
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
 
 	rc = iwl4965_fill_txpower_tbl(priv, band, channel, is_ht40,
 				      ctrl_chan_high, &cmd.tx_power);
@@ -1474,7 +1476,6 @@ static int iwl4965_hw_channel_switch(struct iwl_priv *priv, u16 channel)
 	rc = iwl_send_cmd_pdu(priv, REPLY_CHANNEL_SWITCH, sizeof(cmd), &cmd);
 	return rc;
 }
-#endif
 
 /**
  * iwl4965_txq_update_byte_cnt_tbl - Set up entry in Tx byte-count array
@@ -2171,6 +2172,7 @@ static struct iwl_lib_ops iwl4965_lib = {
 	.load_ucode = iwl4965_load_bsm,
 	.dump_nic_event_log = iwl_dump_nic_event_log,
 	.dump_nic_error_log = iwl_dump_nic_error_log,
+	.set_channel_switch = iwl4965_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,

trunk/drivers/net/wireless/iwlwifi/iwl-5000.c

@@ -1382,6 +1382,36 @@ IWL5000_UCODE_GET(init_size);
 IWL5000_UCODE_GET(init_data_size);
 IWL5000_UCODE_GET(boot_size);
 
+static int iwl5000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+{
+	struct iwl5000_channel_switch_cmd cmd;
+	const struct iwl_channel_info *ch_info;
+	struct iwl_host_cmd hcmd = {
+		.id = REPLY_CHANNEL_SWITCH,
+		.len = sizeof(cmd),
+		.flags = CMD_SIZE_HUGE,
+		.data = &cmd,
+	};
+
+	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+		priv->active_rxon.channel, channel);
+	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	cmd.channel = cpu_to_le16(channel);
+	cmd.rxon_flags = priv->active_rxon.flags;
+	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+	ch_info = iwl_get_channel_info(priv, priv->band, channel);
+	if (ch_info)
+		cmd.expect_beacon = is_channel_radar(ch_info);
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
+
+	return iwl_send_cmd_sync(priv, &hcmd);
+}
+
 struct iwl_hcmd_ops iwl5000_hcmd = {
 	.rxon_assoc = iwl5000_send_rxon_assoc,
 	.commit_rxon = iwl_commit_rxon,
@@ -1429,6 +1459,7 @@ struct iwl_lib_ops iwl5000_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl5000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,
@@ -1480,6 +1511,7 @@ static struct iwl_lib_ops iwl5150_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl5000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,

trunk/drivers/net/wireless/iwlwifi/iwl-6000.c

@@ -172,6 +172,37 @@ static int iwl6000_hw_set_hw_params(struct iwl_priv *priv)
 	return 0;
 }
 
+static int iwl6000_hw_channel_switch(struct iwl_priv *priv, u16 channel)
+{
+	struct iwl6000_channel_switch_cmd cmd;
+	const struct iwl_channel_info *ch_info;
+	struct iwl_host_cmd hcmd = {
+		.id = REPLY_CHANNEL_SWITCH,
+		.len = sizeof(cmd),
+		.flags = CMD_SIZE_HUGE,
+		.data = &cmd,
+	};
+
+	IWL_DEBUG_11H(priv, "channel switch from %d to %d\n",
+		priv->active_rxon.channel, channel);
+
+	cmd.band = priv->band == IEEE80211_BAND_2GHZ;
+	cmd.channel = cpu_to_le16(channel);
+	cmd.rxon_flags = priv->active_rxon.flags;
+	cmd.rxon_filter_flags = priv->active_rxon.filter_flags;
+	cmd.switch_time = cpu_to_le32(priv->ucode_beacon_time);
+	ch_info = iwl_get_channel_info(priv, priv->band, channel);
+	if (ch_info)
+		cmd.expect_beacon = is_channel_radar(ch_info);
+	else {
+		IWL_ERR(priv, "invalid channel switch from %u to %u\n",
+			priv->active_rxon.channel, channel);
+		return -EFAULT;
+	}
+
+	return iwl_send_cmd_sync(priv, &hcmd);
+}
+
 static struct iwl_lib_ops iwl6000_lib = {
 	.set_hw_params = iwl6000_hw_set_hw_params,
 	.txq_update_byte_cnt_tbl = iwl5000_txq_update_byte_cnt_tbl,
@@ -192,6 +223,7 @@ static struct iwl_lib_ops iwl6000_lib = {
 	.alive_notify = iwl5000_alive_notify,
 	.send_tx_power = iwl5000_send_tx_power,
 	.update_chain_flags = iwl_update_chain_flags,
+	.set_channel_switch = iwl6000_hw_channel_switch,
 	.apm_ops = {
 		.init = iwl_apm_init,
 		.stop = iwl_apm_stop,

trunk/drivers/net/wireless/iwlwifi/iwl-core.c

@@ -1284,10 +1284,15 @@ void iwl_rx_csa(struct iwl_priv *priv, struct iwl_rx_mem_buffer *rxb)
 	struct iwl_rx_packet *pkt = rxb_addr(rxb);
 	struct iwl_rxon_cmd *rxon = (void *)&priv->active_rxon;
 	struct iwl_csa_notification *csa = &(pkt->u.csa_notif);
-	IWL_DEBUG_11H(priv, "CSA notif: channel %d, status %d\n",
-		      le16_to_cpu(csa->channel), le32_to_cpu(csa->status));
-	rxon->channel = csa->channel;
-	priv->staging_rxon.channel = csa->channel;
+
+	if (!le32_to_cpu(csa->status)) {
+		rxon->channel = csa->channel;
+		priv->staging_rxon.channel = csa->channel;
+		IWL_DEBUG_11H(priv, "CSA notif: channel %d\n",
+		      le16_to_cpu(csa->channel));
+	} else
+		IWL_ERR(priv, "CSA notif (fail) : channel %d\n",
+		      le16_to_cpu(csa->channel));
 }
 EXPORT_SYMBOL(iwl_rx_csa);
 
@@ -2714,6 +2719,14 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
 			goto set_ch_out;
 		}
 
+		if (iwl_is_associated(priv) &&
+		    (le16_to_cpu(priv->active_rxon.channel) != ch) &&
+		    priv->cfg->ops->lib->set_channel_switch) {
+			ret = priv->cfg->ops->lib->set_channel_switch(priv,
+				ch);
+			goto out;
+		}
+
 		spin_lock_irqsave(&priv->lock, flags);
 
 		/* Configure HT40 channels */

trunk/drivers/net/wireless/iwlwifi/iwl-core.h

@@ -169,6 +169,7 @@ struct iwl_lib_ops {
 	int (*load_ucode)(struct iwl_priv *priv);
 	void (*dump_nic_event_log)(struct iwl_priv *priv);
 	void (*dump_nic_error_log)(struct iwl_priv *priv);
+	int (*set_channel_switch)(struct iwl_priv *priv, u16 channel);
 	/* power management */
 	struct iwl_apm_ops apm_ops;