diff options
| author | Felix Fietkau <nbd@openwrt.org> | 2015-09-24 12:59:49 (GMT) |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2015-09-24 14:28:01 (GMT) |
| commit | f7418bc10d8402798ee3add5ef0ed5f33266a2bb (patch) | |
| tree | 1756038b5e8567274039b0f99b186843901a6728 | |
| parent | babc305e21ea3811d98b67437299360904ac1b6a (diff) | |
| download | linux-f7418bc10d8402798ee3add5ef0ed5f33266a2bb.tar.xz | |
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>
| -rw-r--r-- | net/mac80211/status.c | 1 | ||||
| -rw-r--r-- | net/mac80211/tx.c | 7 |
2 files changed, 6 insertions, 2 deletions
diff --git a/net/mac80211/status.c b/net/mac80211/status.c index 8ba5832..3ed7ddf 100644 --- a/net/mac80211/status.c +++ b/net/mac80211/status.c @@ -101,6 +101,7 @@ static void ieee80211_handle_filtered_frame(struct ieee80211_local *local, * 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 @@ ieee80211_tx_prepare(struct ieee80211_sub_if_data *sdata, 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 @@ void ieee80211_check_fast_xmit(struct sta_info *sta) 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) |