From 3879fc2b1aadd36cfa94b10077827cd98705434f Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Tue, 13 Nov 2018 20:34:35 +0100 Subject: [PATCH] mac80211: fix spurious disconnections with powersave clients Affects all drivers using ieee80211_tx_status_noskb, e.g. ath9k and mt76 Signed-off-by: Felix Fietkau --- ...tx-status-for-PS-stations-in-ieee802.patch | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 package/kernel/mac80211/patches/subsys/379-mac80211-ignore-tx-status-for-PS-stations-in-ieee802.patch diff --git a/package/kernel/mac80211/patches/subsys/379-mac80211-ignore-tx-status-for-PS-stations-in-ieee802.patch b/package/kernel/mac80211/patches/subsys/379-mac80211-ignore-tx-status-for-PS-stations-in-ieee802.patch new file mode 100644 index 0000000000..a4176363bb --- /dev/null +++ b/package/kernel/mac80211/patches/subsys/379-mac80211-ignore-tx-status-for-PS-stations-in-ieee802.patch @@ -0,0 +1,26 @@ +From: Felix Fietkau +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 +--- + +--- a/net/mac80211/status.c ++++ b/net/mac80211/status.c +@@ -987,6 +987,8 @@ 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); + }