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Commit 278c2f6f authored by Daniel Halperin's avatar Daniel Halperin Committed by Reinette Chatre
Browse files

iwlwifi: update LQ for bcast station on channel change 



The rate table in the bcast LQ is computed only when the station is
allocated, and chooses the lowest rate for the band. Because of when this
occurs, this is the 2.4 GHz band and uses the 0x420a (CCK, 1 Mbps) rate. In 5 GHz
beaconing mode, this rate will prevent beacons from being sent and any other
packets from being received.

We can fix this by re-initializing the bcast station's LQ command when the
channel is changed.

Signed-off-by: default avatarDaniel Halperin <dhalperi@cs.washington.edu>
Signed-off-by: default avatarReinette Chatre <reinette.chatre@intel.com>
parent 680788ac

drivers/net/wireless/iwlwifi/iwl-1000.c

+1 −0
Original line number Diff line number Diff line
@@ -217,6 +217,7 @@ static struct iwl_lib_ops iwl1000_lib = { 
		.set_ct_kill = iwl1000_set_ct_threshold,

	 },

	.manage_ibss_station = iwlagn_manage_ibss_station,

	.update_bcast_station = iwl_update_bcast_station,

	.debugfs_ops = {

		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

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

+1 −0
Original line number Diff line number Diff line
@@ -2280,6 +2280,7 @@ static struct iwl_lib_ops iwl4965_lib = { 
		.set_ct_kill = iwl4965_set_ct_threshold,

	},

	.manage_ibss_station = iwlagn_manage_ibss_station,

	.update_bcast_station = iwl_update_bcast_station,

	.debugfs_ops = {

		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

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

+2 −0
Original line number Diff line number Diff line
@@ -393,6 +393,7 @@ static struct iwl_lib_ops iwl5000_lib = { 
		.set_ct_kill = iwl5000_set_ct_threshold,

	 },

	.manage_ibss_station = iwlagn_manage_ibss_station,

	.update_bcast_station = iwl_update_bcast_station,

	.debugfs_ops = {

		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,
@@ -455,6 +456,7 @@ static struct iwl_lib_ops iwl5150_lib = { 
		.set_ct_kill = iwl5150_set_ct_threshold,

	 },

	.manage_ibss_station = iwlagn_manage_ibss_station,

	.update_bcast_station = iwl_update_bcast_station,

	.debugfs_ops = {

		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

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

+1 −0
Original line number Diff line number Diff line
@@ -318,6 +318,7 @@ static struct iwl_lib_ops iwl6000_lib = { 
		.set_calib_version = iwl6000_set_calib_version,

	 },

	.manage_ibss_station = iwlagn_manage_ibss_station,

	.update_bcast_station = iwl_update_bcast_station,

	.debugfs_ops = {

		.rx_stats_read = iwl_ucode_rx_stats_read,

		.tx_stats_read = iwl_ucode_tx_stats_read,

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

+3 −0
Original line number Diff line number Diff line
@@ -2110,6 +2110,9 @@ int iwl_mac_config(struct ieee80211_hw *hw, u32 changed) 
		iwl_set_flags_for_band(priv, conf->channel->band, priv->vif);

		spin_unlock_irqrestore(&priv->lock, flags);



		if (priv->cfg->ops->lib->update_bcast_station)

			ret = priv->cfg->ops->lib->update_bcast_station(priv);



 set_ch_out:

		/* The list of supported rates and rate mask can be different

		 * for each band; since the band may have changed, reset