Techwizz/kernel-fxtec-pro1x
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minstrel_ht: fix Open BA session request floods

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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>
This commit is contained in:
Christian Lamparter 2011-09-03 09:06:20 +02:00 • committed by John W. Linville
parent 43c3528430
commit 64ed5cf013
1 changed files with 2 additions and 1 deletions

3
net/mac80211/rc80211_minstrel_ht.c
View file

@ -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);
}
}