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mac80211: fix regression in station connection monitor optimization

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When the nulldata frame was acked, the probe send count needs to be reset,
otherwise it will keep increasing until the connection is considered dead,
even though it fine.

Reported-by: Georgi Valkov <gvalkov@abv.bg>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Felix Fietkau 2020-09-21 17:56:04 +02:00
parent 90853439a1
commit 1c6d45644a
1 changed files with 26 additions and 0 deletions
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package/kernel/mac80211/patches/subsys/332-mac80211-fix-regression-in-sta-connection-monitor.patch Normal file
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@ -0,0 +1,26 @@
From: Felix Fietkau <nbd@nbd.name>
Date: Mon, 21 Sep 2020 17:43:06 +0200
Subject: [PATCH] mac80211: fix regression in sta connection monitor
When the nulldata frame was acked, the probe send count needs to be reset,
otherwise it will keep increasing until the connection is considered dead,
even though it fine.
Fixes: 9abf4e49830d ("mac80211: optimize station connection monitor")
Reported-by: Georgi Valkov <gvalkov@abv.bg>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
---
--- a/net/mac80211/mlme.c
+++ b/net/mac80211/mlme.c
@@ -2508,7 +2508,9 @@ void ieee80211_sta_tx_notify(struct ieee
!sdata->u.mgd.probe_send_count)
return;
- if (!ack)
+ if (ack)
+ sdata->u.mgd.probe_send_count = 0;
+ else
sdata->u.mgd.nullfunc_failed = true;
ieee80211_queue_work(&sdata->local->hw, &sdata->work);
}