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authorChristian Lamparter <chunkeey@googlemail.com>2011-09-03 07:06:20 (GMT)
committerJohn W. Linville <linville@tuxdriver.com>2011-09-14 17:56:23 (GMT)
commit64ed5cf01345da60b5fd9f27e22e5e2e2ffb0a33 (patch)
treea51db28e065d693ea3323612e2e419a10ceb81ed /net/mac80211/rc80211_minstrel_ht.c
parent43c3528430bd29f5e52438cad7cf7c0c62bf4583 (diff)
downloadlinux-64ed5cf01345da60b5fd9f27e22e5e2e2ffb0a33.tar.xz
minstrel_ht: fix Open BA session request floods
Minstrel HT tries very hard to establish a BA session with each peer once there's some data on the way. However the stack does not inform minstrel if an aggregation session is already in place, so it keeps trying and wastes good cycles in the tx status path. [ 8149.946393] Open BA session requested for $AP tid 0 [ 8150.048765] Open BA session requested for $AP tid 0 [ 8150.174509] Open BA session requested for $AP tid 0 [ 8150.274376] Open BA session requested for $AP tid 0 ... Signed-off-by: Christian Lamparter <chunkeey@googlemail.com> Acked-by: Felix Fietkau <nbd@openwrt.org> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'net/mac80211/rc80211_minstrel_ht.c')
-rw-r--r--net/mac80211/rc80211_minstrel_ht.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c
index 2158838..e19249b 100644
--- a/net/mac80211/rc80211_minstrel_ht.c
+++ b/net/mac80211/rc80211_minstrel_ht.c
@@ -452,7 +452,8 @@ minstrel_ht_tx_status(void *priv, struct ieee80211_supported_band *sband,
if (time_after(jiffies, mi->stats_update + (mp->update_interval / 2 * HZ) / 1000)) {
minstrel_ht_update_stats(mp, mi);
- minstrel_aggr_check(mp, sta, skb);
+ if (!(info->flags & IEEE80211_TX_CTL_AMPDU))
+ minstrel_aggr_check(mp, sta, skb);
}
}