[PATCH v2 3.14] mac80211: send control port protocol frames to the VO queue

[PATCH v2 3.14] mac80211: send control port protocol frames to the VO queue

[Felix Fietkau]

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>
---
 net/mac80211/wme.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/net/mac80211/wme.c b/net/mac80211/wme.c
index 21211c6..d51422c 100644
--- a/net/mac80211/wme.c
+++ b/net/mac80211/wme.c
@@ -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();
-- 
1.8.3.4 (Apple Git-47)

Re: [PATCH v2 3.14] mac80211: send control port protocol frames to the VO queue

[Johannes Berg]

On Tue, 2014-02-11 at 16:02 +0100, Felix Fietkau wrote:
> Improves reliability of wifi connections with WPA, since authentication
> frames are prioritized over normal traffic and also typically exempt
> from aggregation.

Applied.

johannes