mt76: fix handling ps-poll frames



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>

parent 66a9ccd6

drivers/net/wireless/mediatek/mt76/mac80211.c

+6 −0

Original line number	Diff line number	Diff line
		@@ -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;