mac80211: fix handling of PS filtering with fast-xmit
Fixes dropped packets in the tx path in case a non-PS station triggers
the tx filter.
Signed-off-by: Felix Fietkau <nbd@openwrt.org>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
diff --git a/net/mac80211/status.c b/net/mac80211/status.c
index 8ba5832..3ed7ddfbf 100644
--- a/net/mac80211/status.c
+++ b/net/mac80211/status.c
@@ -101,6 +101,7 @@
* when it wakes up for the next time.
*/
set_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT);
+ ieee80211_clear_fast_xmit(sta);
/*
* This code races in the following way:
diff --git a/net/mac80211/tx.c b/net/mac80211/tx.c
index 84e0e8c..7892eb8 100644
--- a/net/mac80211/tx.c
+++ b/net/mac80211/tx.c
@@ -1218,8 +1218,10 @@
if (!tx->sta)
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
- else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT))
+ else if (test_and_clear_sta_flag(tx->sta, WLAN_STA_CLEAR_PS_FILT)) {
info->flags |= IEEE80211_TX_CTL_CLEAR_PS_FILT;
+ ieee80211_check_fast_xmit(tx->sta);
+ }
info->flags |= IEEE80211_TX_CTL_FIRST_FRAGMENT;
@@ -2451,7 +2453,8 @@
if (test_sta_flag(sta, WLAN_STA_PS_STA) ||
test_sta_flag(sta, WLAN_STA_PS_DRIVER) ||
- test_sta_flag(sta, WLAN_STA_PS_DELIVER))
+ test_sta_flag(sta, WLAN_STA_PS_DELIVER) ||
+ test_sta_flag(sta, WLAN_STA_CLEAR_PS_FILT))
goto out;
if (sdata->noack_map)
