From a317e65face482371de30246b6494feb093ff7f9 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 13 Nov 2018 20:32:13 +0100
Subject: [PATCH] mac80211: ignore tx status for PS stations in ieee80211_tx_status_ext
Git-commit: a317e65face482371de30246b6494feb093ff7f9
Patch-mainline: v4.20-rc6
References: FATE#326294 bsc#1051510
Make it behave like regular ieee80211_tx_status calls, except for the lack of
filtered frame processing.
This fixes spurious low-ack triggered disconnections with powersave clients
connected to an AP.
Fixes: f027c2aca0cf4 ("mac80211: add ieee80211_tx_status_noskb")
Cc: stable@vger.kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
net/mac80211/status.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index aa4afbf0abaf..a794ca729000 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -964,6 +964,8 @@ void ieee80211_tx_status_ext(struct ieee80211_hw *hw,
/* Track when last TDLS packet was ACKed */
if (test_sta_flag(sta, WLAN_STA_TDLS_PEER_AUTH))
sta->status_stats.last_tdls_pkt_time = jiffies;
+ } else if (test_sta_flag(sta, WLAN_STA_PS_STA)) {
+ return;
} else {
ieee80211_lost_packet(sta, info);
}
--
2.19.2