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wifi: rtw89: wow: use MLD address in WoWLAN ARP replies for MLO stations

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Currently, WoWLAN ARP replies for MLO stations use the link address in
the ARP hardware address fields.

As a result, peers may learn the link address from the ARP reply and
use it as the destination address for subsequent traffic. Some APs may
not forward frames addressed to the link address, causing connectivity
issues.

Use the MLD address instead when generating WoWLAN ARP replies so peers
learn the correct address for MLO stations.

Signed-off-by: Chin-Yen Lee <timlee@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/20260625061545.44808-9-pkshih@realtek.com
This commit is contained in:
Chin-Yen Lee
2026-06-25 14:15:43 +08:00
committed by Ping-Ke Shih
parent c1eabaaa08
commit 76edcedda6
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/realtek/rtw89/fw.c
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@@ -2982,9 +2982,9 @@ static struct sk_buff *rtw89_arp_response_get(struct rtw89_dev *rtwdev,
arp_hdr->ar_pln = 4;
arp_hdr->ar_op = htons(ARPOP_REPLY);
ether_addr_copy(arp_skb->sender_hw, rtwvif_link->mac_addr);
ether_addr_copy(arp_skb->sender_hw, rtwvif->mac_addr);
arp_skb->sender_ip = rtwvif->ip_addr;
ether_addr_copy(arp_skb->target_hw, rtwvif_link->mac_addr);
ether_addr_copy(arp_skb->target_hw, rtwvif->mac_addr);
arp_skb->target_ip = rtwvif->ip_addr;
return skb;