From: Johannes Berg <johannes.berg@xxxxxxxxx> We currently stop the queue when changing the rate control between 20/40 MHz in the BSS. This seems to have been necessary when we actually changed the channel, but now that we just update the station it doesn't seem right any more. Remove it. Signed-off-by: Johannes Berg <johannes.berg@xxxxxxxxx> --- net/mac80211/ieee80211_i.h | 1 - net/mac80211/mlme.c | 19 ------------------- 2 files changed, 20 deletions(-) --- a/net/mac80211/ieee80211_i.h 2012-03-16 14:14:19.000000000 +0100 +++ b/net/mac80211/ieee80211_i.h 2012-03-16 14:14:20.000000000 +0100 @@ -757,7 +757,6 @@ enum queue_stop_reason { IEEE80211_QUEUE_STOP_REASON_AGGREGATION, IEEE80211_QUEUE_STOP_REASON_SUSPEND, IEEE80211_QUEUE_STOP_REASON_SKB_ADD, - IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE, }; #ifdef CONFIG_MAC80211_LEDS --- a/net/mac80211/mlme.c 2012-03-16 14:14:19.000000000 +0100 +++ b/net/mac80211/mlme.c 2012-03-16 14:14:20.000000000 +0100 @@ -212,21 +212,6 @@ static u32 ieee80211_config_ht_tx(struct if (sta && (!reconfig || (disable_40 != !!(sta->sta.ht_cap.cap & IEEE80211_HT_CAP_SUP_WIDTH_20_40)))) { - if (reconfig) { - /* - * Whenever the AP announces the HT mode changed - * (e.g. 40 MHz intolerant) stop queues to avoid - * sending out frames while the rate control is - * reconfiguring. - */ - ieee80211_stop_queues_by_reason(&sdata->local->hw, - IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE); - - /* flush out all packets */ - synchronize_net(); - - drv_flush(local, false); - } if (disable_40) sta->sta.ht_cap.cap &= ~IEEE80211_HT_CAP_SUP_WIDTH_20_40; @@ -235,10 +220,6 @@ static u32 ieee80211_config_ht_tx(struct rate_control_rate_update(local, sband, sta, IEEE80211_RC_HT_CHANGED); - - if (reconfig) - ieee80211_wake_queues_by_reason(&sdata->local->hw, - IEEE80211_QUEUE_STOP_REASON_CHTYPE_CHANGE); } mutex_unlock(&local->sta_mtx); -- To unsubscribe from this list: send the line "unsubscribe linux-wireless" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html