package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch

   1 From: Felix Fietkau <nbd@nbd.name>
   2 Date: Mon, 21 Sep 2020 17:43:06 +0200
   3 Subject: [PATCH] mac80211: fix regression in sta connection monitor
   4
   5 When the nulldata frame was acked, the probe send count needs to be reset,
   6 otherwise it will keep increasing until the connection is considered dead,
   7 even though it fine.
   8
   9 Fixes: 9abf4e49830d ("mac80211: optimize station connection monitor")
  10 Reported-by: Georgi Valkov <gvalkov@abv.bg>
  11 Signed-off-by: Felix Fietkau <nbd@nbd.name>
  12 ---
  13
  14 --- a/net/mac80211/mlme.c
  15 +++ b/net/mac80211/mlme.c
  16 @@ -2508,7 +2508,9 @@ void ieee80211_sta_tx_notify(struct ieee
  17             !sdata->u.mgd.probe_send_count)
  18                 return;
  19
  20 -       if (!ack)
  21 +       if (ack)
  22 +               sdata->u.mgd.probe_send_count = 0;
  23 +       else
  24                 sdata->u.mgd.nullfunc_failed = true;
  25         ieee80211_queue_work(&sdata->local->hw, &sdata->work);
  26  }