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Re: [PATCH iw] iw: print HE mcs correctly when mcs_len

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On Sat, 2025-04-26 at 22:26 +0200, Janusz Dziedzic wrote:
> > In some way though this also means your kernel patch _did_ introduce a
> > userspace regression, so I'm not entirely sure why we should do it at
> > all?
> > 
> I think
>  - only HE report wrong MCS/PPE len - EHT report it correctly

Yeah that's unfortunate.

>  - only bug in iw, hostapd recalc it based on HE capab
>  - looks odd to skip kernel patch only due to some user mode app bug
> 

That's ... what happens? That's how "don't break userspace" works :)

So I think we should just leave it. We can take it as a historical quirk
and try to do better in the future (as we already did for EHT), but I
don't see value in breaking iw for such a thing.

johannes





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