From 64ed5cf01345da60b5fd9f27e22e5e2e2ffb0a33 Mon Sep 17 00:00:00 2001 From: Christian Lamparter Date: Sat, 3 Sep 2011 09:06:20 +0200 Subject: [PATCH] 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 --- net/mac80211/rc80211_minstrel_ht.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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); } } -- 2.7.4