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-rw-r--r--package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch31
1 files changed, 31 insertions, 0 deletions
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 0000000000..32a2ad6f0b
--- /dev/null
+++ b/package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch
@@ -0,0 +1,31 @@
+From: Felix Fietkau <nbd@openwrt.org>
+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 <nbd@openwrt.org>
+---
+
+--- 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