From: Christian Lamparter Date: Sat, 3 Sep 2011 07:06:20 +0000 (+0200) Subject: minstrel_ht: fix Open BA session request floods X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=64ed5cf01345da60b5fd9f27e22e5e2e2ffb0a33;p=openwrt%2Fstaging%2Fblogic.git 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 Acked-by: Felix Fietkau Signed-off-by: John W. Linville --- diff --git a/net/mac80211/rc80211_minstrel_ht.c b/net/mac80211/rc80211_minstrel_ht.c index 21588386a302..e19249b0f971 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); } }