wifi: mt76: mt7925: extend mt7925_mcu_add_bss_info for per-link STA

Extend mt7925_mcu_add_bss_info with the per-link STA configuration.

The patch we created is a prerequisite to enable the MLO function in the
driver. It is purely a refactoring patch so the functionality should
remain unchanged.
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/20240613030241.5771-40-sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -489,6 +489,7 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
 	struct mt792x_sta *msta = sta ? (struct mt792x_sta *)sta->drv_priv :
 				  &mvif->sta;
+	struct ieee80211_link_sta *link_sta = sta ? &sta->deflink : NULL;
 	struct mt76_wcid *wcid = &msta->deflink.wcid;
 	struct ieee80211_bss_conf *link_conf;
 	u8 *wcid_keyidx = &wcid->hw_key_idx;
@@ -535,7 +536,7 @@ static int mt7925_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
 
 		mvif->bss_conf.mt76.cipher = mt7925_mcu_get_cipher(key->cipher);
 		mt7925_mcu_add_bss_info(phy, mvif->bss_conf.mt76.ctx, link_conf,
-					sta, true);
+					link_sta, true);
 	}
 
 	if (cmd == SET_KEY)
@@ -738,7 +739,7 @@ int mt7925_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 	/* should update bss info before STA add */
 	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
 		mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
-					link_conf, sta, false);
+					link_conf, &sta->deflink, false);
 
 	ret = mt7925_mcu_sta_update(dev, &sta->deflink, vif, true,
 				    MT76_STA_INFO_STATE_NONE);
@@ -765,7 +766,7 @@ void mt7925_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 
 	if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls)
 		mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
-					link_conf, sta, true);
+					link_conf, &sta->deflink, true);
 
 	ewma_avg_signal_init(&msta->deflink.avg_ack_signal);
 
@@ -802,7 +803,7 @@ void mt7925_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 		ewma_rssi_init(&mvif->bss_conf.rssi);
 		if (!sta->tdls)
 			mt7925_mcu_add_bss_info(&dev->phy, mvif->bss_conf.mt76.ctx,
-						link_conf, sta, false);
+						link_conf, &sta->deflink, false);
 	}
 
 	spin_lock_bh(&mdev->sta_poll_lock);

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

@@ -2338,7 +2338,7 @@ int mt7925_mcu_set_timing(struct mt792x_phy *phy,
 int mt7925_mcu_add_bss_info(struct mt792x_phy *phy,
 			    struct ieee80211_chanctx_conf *ctx,
 			    struct ieee80211_bss_conf *link_conf,
-			    struct ieee80211_sta *sta,
+			    struct ieee80211_link_sta *link_sta,
 			    int enable)
 {
 	struct mt792x_vif *mvif = (struct mt792x_vif *)link_conf->vif->drv_priv;
@@ -2353,13 +2353,13 @@ int mt7925_mcu_add_bss_info(struct mt792x_phy *phy,
 		return PTR_ERR(skb);
 
 	/* bss_basic must be first */
-	mt7925_mcu_bss_basic_tlv(skb, link_conf, sta, ctx, phy->mt76,
+	mt7925_mcu_bss_basic_tlv(skb, link_conf, link_sta->sta, ctx, phy->mt76,
 				 mvif->sta.deflink.wcid.idx, enable);
 	mt7925_mcu_bss_sec_tlv(skb, link_conf);
 
 	mt7925_mcu_bss_bmc_tlv(skb, phy, ctx, link_conf);
 	mt7925_mcu_bss_qos_tlv(skb, link_conf);
-	mt7925_mcu_bss_mld_tlv(skb, link_conf, sta);
+	mt7925_mcu_bss_mld_tlv(skb, link_conf, link_sta->sta);
 	mt7925_mcu_bss_ifs_tlv(skb, link_conf);
 
 	if (link_conf->he_support) {

drivers/net/wireless/mediatek/mt76/mt7925/mcu.h

@@ -595,7 +595,7 @@ int mt7925_mcu_sched_scan_enable(struct mt76_phy *phy,
 int mt7925_mcu_add_bss_info(struct mt792x_phy *phy,
 			    struct ieee80211_chanctx_conf *ctx,
 			    struct ieee80211_bss_conf *link_conf,
-			    struct ieee80211_sta *sta,
+			    struct ieee80211_link_sta *link_sta,
 			    int enable);
 int mt7925_mcu_set_timing(struct mt792x_phy *phy,
 			  struct ieee80211_bss_conf *link_conf);