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freifunkist-firmware/package/kernel/mac80211/patches/subsys/379-mac80211-ignore-tx-stat...

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From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 13 Nov 2018 20:29:03 +0100
Subject: [PATCH] mac80211: ignore tx status for PS stations in
ieee80211_tx_status_ext
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>
---
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -984,6 +984,8 @@ void ieee80211_tx_status_ext(struct ieee
/* 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);
}