wifi: mt76: mt7925: add link handling in the mt7925_ipv6_addr_change

add link handling in the mt7925_ipv6_addr_change
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/ed429b1896cc10c8db25dc2ade3e59bec78d7131.1720248331.git.sean.wang@kernel.orgSigned-off-by: Felix Fietkau <nbd@nbd.name>

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

@@ -1490,12 +1490,12 @@ static void mt7925_sta_set_decap_offload(struct ieee80211_hw *hw,
 }
 
 #if IS_ENABLED(CONFIG_IPV6)
-static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
-				    struct ieee80211_vif *vif,
-				    struct inet6_dev *idev)
+static void __mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
+				      struct ieee80211_bss_conf *link_conf,
+				      struct inet6_dev *idev)
 {
-	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
-	struct mt792x_dev *dev = mvif->phy->dev;
+	struct mt792x_bss_conf *mconf = mt792x_link_conf_to_mconf(link_conf);
+	struct mt792x_dev *dev = mt792x_hw_dev(hw);
 	struct inet6_ifaddr *ifa;
 	struct sk_buff *skb;
 	u8 idx = 0;
@@ -1509,7 +1509,7 @@ static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
 		struct in6_addr ns_addrs[IEEE80211_BSS_ARP_ADDR_LIST_LEN];
 	} req_hdr = {
 		.hdr = {
-			.bss_idx = mvif->bss_conf.mt76.idx,
+			.bss_idx = mconf->mt76.idx,
 		},
 		.arpns = {
 			.tag = cpu_to_le16(UNI_OFFLOAD_OFFLOAD_ND),
@@ -1544,6 +1544,23 @@ static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
 
 	ieee80211_queue_work(dev->mt76.hw, &dev->ipv6_ns_work);
 }
+
+static void mt7925_ipv6_addr_change(struct ieee80211_hw *hw,
+				    struct ieee80211_vif *vif,
+				    struct inet6_dev *idev)
+{
+	struct mt792x_vif *mvif = (struct mt792x_vif *)vif->drv_priv;
+	unsigned long valid = ieee80211_vif_is_mld(vif) ?
+			      mvif->valid_links : BIT(0);
+	struct ieee80211_bss_conf *bss_conf;
+	int i;
+
+	for_each_set_bit(i, &valid, IEEE80211_MLD_MAX_NUM_LINKS) {
+		bss_conf = mt792x_vif_to_bss_conf(vif, i);
+		__mt7925_ipv6_addr_change(hw, bss_conf, idev);
+	}
+}
+
 #endif
 
 int mt7925_set_tx_sar_pwr(struct ieee80211_hw *hw,