From 48124d1a91fb77defc9734b4556350d59671fb2c Mon Sep 17 00:00:00 2001
From: "Luis R. Rodriguez" <lrodriguez@atheros.com>
Date: Tue, 23 Nov 2010 15:05:02 -0800
Subject: mac80211: avoid aggregation for VO traffic

This should help with latency issues which can happen when
using aggregation.

Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Matt Smith <matt.smith@atheros.com>
Cc: Senthil Balasubramanian <senthilkumar@atheros.com>
Signed-off-by: Luis R. Rodriguez <lrodriguez@atheros.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
---
 net/mac80211/rc80211_minstrel_ht.c | 3 +++
 1 file changed, 3 insertions(+)

(limited to 'net/mac80211/rc80211_minstrel_ht.c')

diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 2d6f0259e0c6..4ad7a362fcc1 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -371,6 +371,9 @@ minstrel_aggr_check(struct minstrel_priv *mp, struct ieee80211_sta *pubsta, stru
 	if (likely(sta->ampdu_mlme.tid_tx[tid]))
 		return;
 
+	if (skb_get_queue_mapping(skb) == IEEE80211_AC_VO)
+		return;
+
 	ieee80211_start_tx_ba_session(pubsta, tid);
 }
 
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