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Re: [PATCH 1/2] mac80211: enable TKIP when using encapsulation offloading

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On Fri, 2020-04-24 at 15:05 +0530, Sathishkumar Muruganandam wrote:
> TKIP was disabled on encap offload mode since if TKIP MIC error
> reporting is not capable by the driver using encap offload mode,
> then TKIP countermeasures wont work.
> 
> Enabling back TKIP bring-up in encap offload mode to leave the
> control with the driver to disable hw encap when it is not capable
> of TKIP MIC error reporting.

So how can the driver do TKIP MIC error reporting?

I don't think it can. It doesn't have all the necessary information to
call cfg80211_michael_mic_failure(), as far as I can tell.

I'm not applying this until I see at least the *ability* for drivers to
do it. I mean, I don't really want to worry about your driver's
correctness, but if you then turn around and realize that you *cannot*
actually implement the right behaviour, that's no good either.

johannes




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