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 <[email protected]> --- drivers/net/wireless/mediatek/mt76/mac80211.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c index 639cbafc1d50..2a699e8b79bf 100644 --- a/drivers/net/wireless/mediatek/mt76/mac80211.c +++ b/drivers/net/wireless/mediatek/mt76/mac80211.c @@ -550,6 +550,12 @@ 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; -- 2.17.0
