[ 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>
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;