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

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On 2024/10/31 18:47, Johannes Berg wrote:
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

hi, johannes,

I completely agree with your perspective. I will resend a revised patch that removes this validity check.🙂

/lingbok




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