package/kernel/mac80211/patches/336-mac80211-minstrel_ht-set-default-tx-aggregation-time.patch

   1 From: Felix Fietkau <nbd@openwrt.org>
   2 Date: Thu, 18 Feb 2016 19:45:33 +0100
   3 Subject: [PATCH] mac80211: minstrel_ht: set default tx aggregation timeout to
   4  0
   5
   6 The value 5000 was put here with the addition of the timeout field to
   7 ieee80211_start_tx_ba_session. It was originally added in mac80211 to
   8 save resources for drivers like iwlwifi, which only supports a limited
   9 number of concurrent aggregation sessions.
  10
  11 Since iwlwifi does not use minstrel_ht and other drivers don't need
  12 this, 0 is a better default - especially since there have been
  13 recent reports of aggregation setup related issues reproduced with
  14 ath9k. This should improve stability without causing any adverse
  15 effects.
  16
  17 Cc: stable@vger.kernel.org
  18 Signed-off-by: Felix Fietkau <nbd@openwrt.org>
  19 ---
  20
  21 --- a/net/mac80211/rc80211_minstrel_ht.c
  22 +++ b/net/mac80211/rc80211_minstrel_ht.c
  23 @@ -692,7 +692,7 @@ minstrel_aggr_check(struct ieee80211_sta
  24         if (likely(sta->ampdu_mlme.tid_tx[tid]))
  25                 return;
  26
  27 -       ieee80211_start_tx_ba_session(pubsta, tid, 5000);
  28 +       ieee80211_start_tx_ba_session(pubsta, tid, 0);
  29  }
  30
  31  static void