On 9/3/2025 1:01 AM, Johannes Berg wrote:
> On Fri, 2025-08-22 at 11:02 +0530, Sarika Sharma wrote:
>> Currently, sta_set_sinfo() fails to populate link-level station info
>> when sinfo->valid_links is initially 0 and sta->sta.valid_links has
>> bits set for links other than link 0. This typically occurs when
>> association happens on a non-zero link or link 0 deleted dynamically.
>> In such cases, the for_each_valid_link(sinfo, link_id) loop only
>> executes for link 0 and terminates early, since sinfo->valid_links
>> remains 0. As a result, only MLD-level information is reported to
>> userspace.
>>
>> Hence to fix, initialize sinfo->valid_links with sta->sta.valid_links
>> before entering the loop to ensure loop executes for each valid link.
>> During iteration, mask out invalid links from sinfo->valid_links if
>> any of sta->link[link_id], sdata->link[link_id], or sinfo->links[link_id]
>> are not present, to report only valid link information.
>>
>> Fixes: 505991fba9ec ("wifi: mac80211: extend support to fill link level sinfo structure")
>
> With a Fixes: tag for a commit in 6.17-rc, why should this not also go
> to wireless for 6.17?
Concur this should go through wireless instead of wireless-next. That was a
miss on my part during internal review.
/jeff
