Re: [PATCH] wifi: cfg80211: Correctly handle Medium Synchronization Delay

[Johannes Berg <johannes@sipsolutions.net>]

On Thu, 2024-10-31 at 10:25 +0100, Benjamin Berg wrote:
> 
> Right, which does seem to imply that a non-NSTR AP can very well set a
> Medium Delay Synchronization.

Yes, we also pass it to the firmware in iwlwifi, so definitely.

> > Regarding the statement “Could it be that this is intended to be used by 
> > NSTR APs only,” I did not find any explicit indication in the spec that 
> > the multi-link probe response carrying the medium sync delay subfield is 
> > solely applicable to NSTR APs.
> > 
> > Additionally, do you have any suggestions on how to address this issue?🙂
> 
> Not really. I don't grasp the intention of the specification here. But
> if an AP may include the field in an ML Probe Response, then we
> obviously cannot rely on the value to be consistent.
> 
> Seems to me that the option to remove the check is still the best way
> forward right now.

Agree, let's just remove it - Lingbo do you want to send a patch?

We should probably compare "extended MLD capabilities and ops" though,
haha.

johannes