diff options
| author | Felix Fietkau <nbd@nbd.name> | 2018-09-29 13:13:09 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-11-24 08:19:29 +0100 |
| commit | 741a445a88e4aab3f876cd47527f72bef2c2ff09 (patch) | |
| tree | c0d42655e3bfc890651e29a34141bc3c4da90dd4 | |
| parent | ddb4299f1d78a258254ead08c97d397665c94c2f (diff) | |
mt76: fix handling ps-poll frames
[ Upstream commit 36d910960fae3f9e74bedf3e0ef39ee26bdaa51f ]
Hardware station lookup for pspoll frames can fail, which makes the driver
ignore ps-poll frames. Fix the resulting powersave issues by looking up
the station for pspoll frames in software
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Sasha Levin <sashal@kernel.org>
| -rw-r--r-- | drivers/net/wireless/mediatek/mt76/mac80211.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index ade4a2029a24..1b5abd4816ed 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -548,6 +548,12 @@ mt76_check_ps(struct mt76_dev *dev, struct sk_buff *skb) struct mt76_wcid *wcid = status->wcid; bool ps; + if (ieee80211_is_pspoll(hdr->frame_control) && !wcid) { + sta = ieee80211_find_sta_by_ifaddr(dev->hw, hdr->addr2, NULL); + if (sta) + wcid = status->wcid = (struct mt76_wcid *) sta->drv_priv; + } + if (!wcid || !wcid->sta) return; |