From b9e910d6588115bfa25181a08c24ead09c59af8b Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Thu, 18 Feb 2016 18:55:46 +0000 Subject: [PATCH] mac80211: set default aggregation timeout to 0 to improve stability Signed-off-by: Felix Fietkau SVN-Revision: 48744 --- ...l_ht-set-default-tx-aggregation-time.patch | 31 +++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch diff --git a/package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch b/package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch new file mode 100644 index 00000000000..32a2ad6f0bc --- /dev/null +++ b/package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch @@ -0,0 +1,31 @@ +From: Felix Fietkau +Date: Thu, 18 Feb 2016 19:45:33 +0100 +Subject: [PATCH] mac80211: minstrel_ht: set default tx aggregation timeout to + 0 + +The value 5000 was put here with the addition of the timeout field to +ieee80211_start_tx_ba_session. It was originally added in mac80211 to +save resources for drivers like iwlwifi, which only supports a limited +number of concurrent aggregation sessions. + +Since iwlwifi does not use minstrel_ht and other drivers don't need +this, 0 is a better default - especially since there have been +recent reports of aggregation setup related issues reproduced with +ath9k. This should improve stability without causing any adverse +effects. + +Cc: stable@vger.kernel.org +Signed-off-by: Felix Fietkau +--- + +--- a/net/mac80211/rc80211_minstrel_ht.c ++++ b/net/mac80211/rc80211_minstrel_ht.c +@@ -692,7 +692,7 @@ minstrel_aggr_check(struct ieee80211_sta + if (likely(sta->ampdu_mlme.tid_tx[tid])) + return; + +- ieee80211_start_tx_ba_session(pubsta, tid, 5000); ++ ieee80211_start_tx_ba_session(pubsta, tid, 0); + } + + static void -- 2.30.2