wifi: mt76: mt7925: report link information in rx status

report link information in rx status
Co-developed-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Signed-off-by: Ming Yen Hsieh <mingyen.hsieh@mediatek.com>
Co-developed-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Deren Wu <deren.wu@mediatek.com>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Link: https://patch.msgid.link/c7cdc17d94375a76802a5c4a825ea3e51cdb53af.1720248331.git.sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -1125,6 +1125,11 @@ mt76_rx_convert(struct mt76_dev *dev, struct sk_buff *skb,
 	memcpy(status->chain_signal, mstat.chain_signal,
 	       sizeof(mstat.chain_signal));
 
+	if (mstat.wcid) {
+		status->link_valid = mstat.wcid->link_valid;
+		status->link_id = mstat.wcid->link_id;
+	}
+
 	*sta = wcid_to_sta(mstat.wcid);
 	*hw = mt76_phy_hw(dev, mstat.phy_idx);
 }

drivers/net/wireless/mediatek/mt76/mt76.h

@@ -350,6 +350,7 @@ struct mt76_wcid {
 	u8 amsdu:1;
 	u8 phy_idx:2;
 	u8 link_id:4;
+	bool link_valid;
 
 	u8 rx_check_pn;
 	u8 rx_key_pn[IEEE80211_NUM_TIDS + 1][6];

drivers/net/wireless/mediatek/mt76/mt7925/main.c

@@ -811,6 +811,7 @@ static int mt7925_mac_link_sta_add(struct mt76_dev *mdev,
 	mlink->wcid.tx_info |= MT_WCID_TX_INFO_SET;
 	mlink->last_txs = jiffies;
 	mlink->wcid.link_id = link_sta->link_id;
+	mlink->wcid.link_valid = !!link_sta->sta->valid_links;
 
 	ret = mt76_connac_pm_wake(&dev->mphy, &dev->pm);
 	if (ret)
@@ -1898,6 +1899,7 @@ mt7925_change_vif_links(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 		mconf->link_id = link_id;
 		mconf->vif = mvif;
 		mlink->wcid.link_id = link_id;
+		mlink->wcid.link_valid = !!vif->valid_links;
 	}
 
 	if (hweight16(mvif->valid_links) == 0)