mac80211: send control port protocol frames to the VO queue
authorFelix Fietkau <nbd@openwrt.org>
Tue, 11 Feb 2014 15:02:47 +0000 (16:02 +0100)
committerJohannes Berg <johannes.berg@intel.com>
Wed, 12 Feb 2014 10:26:43 +0000 (11:26 +0100)
Improves reliability of wifi connections with WPA, since authentication
frames are prioritized over normal traffic and also typically exempt
from aggregation.

Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
net/mac80211/wme.c

index 21211c60ca988992034bfc330977e846c3fc7010..d51422c778dee359bec450c75b77bfb24ca712f4 100644 (file)
@@ -154,6 +154,11 @@ u16 ieee80211_select_queue(struct ieee80211_sub_if_data *sdata,
                return IEEE80211_AC_BE;
        }
 
+       if (skb->protocol == sdata->control_port_protocol) {
+               skb->priority = 7;
+               return ieee80211_downgrade_queue(sdata, skb);
+       }
+
        /* use the data classifier to determine what 802.1d tag the
         * data frame has */
        rcu_read_lock();