wifi: rtw89: send nullfunc based on the given link

The nullfunc sender function is link specific. Use core_tx_write_link
with sw_mld flag to TX the nullfunc via the given link.

Signed-off-by: Po-Hao Huang <phhuang@realtek.com>
Signed-off-by: Zong-Zhe Yang <kevin_yang@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20250505072440.45113-4-pkshih@realtek.com

diff --git a/drivers/net/wireless/realtek/rtw89/core.c b/drivers/net/wireless/realtek/rtw89/core.c
index c8b00f7908297ddbce95cc3df0395584ed51b8d6..c5bb3452946e12074e29867a39a7f218c0b8341d 100644 (file)
--- a/drivers/net/wireless/realtek/rtw89/core.c
+++ b/drivers/net/wireless/realtek/rtw89/core.c
@@ -3335,8 +3335,10 @@ static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev,
 {
        struct ieee80211_vif *vif = rtwvif_link_to_vif(rtwvif_link);
        int link_id = ieee80211_vif_is_mld(vif) ? rtwvif_link->link_id : -1;
+       struct rtw89_sta_link *rtwsta_link;
        struct ieee80211_sta *sta;
        struct ieee80211_hdr *hdr;
+       struct rtw89_sta *rtwsta;
        struct sk_buff *skb;
        int ret, qsel;
 
@@ -3349,6 +3351,7 @@ static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev,
                ret = -EINVAL;
                goto out;
        }
+       rtwsta = sta_to_rtwsta(sta);
 
        skb = ieee80211_nullfunc_get(rtwdev->hw, vif, link_id, qos);
        if (!skb) {
@@ -3360,7 +3363,13 @@ static int rtw89_core_send_nullfunc(struct rtw89_dev *rtwdev,
        if (ps)
                hdr->frame_control |= cpu_to_le16(IEEE80211_FCTL_PM);
 
-       ret = rtw89_core_tx_write(rtwdev, vif, sta, skb, &qsel);
+       rtwsta_link = rtwsta->links[rtwvif_link->link_id];
+       if (unlikely(!rtwsta_link)) {
+               ret = -ENOLINK;
+               goto out;
+       }
+
+       ret = rtw89_core_tx_write_link(rtwdev, rtwvif_link, rtwsta_link, skb, &qsel, true);
        if (ret) {
                rtw89_warn(rtwdev, "nullfunc transmit failed: %d\n", ret);
                dev_kfree_skb_any(skb);