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Re: [PATCH 0/3] mac80211: avoid useless delBA frames

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On Wed, 2012-09-19 at 22:45 +0300, Arik Nemtsov wrote:

> >> Maybe it's a good opportunity to also fix ieee80211_reconfig? I
> >> remember you mentioned some FW/HW issue there, perhaps this was solved
> >> in the meantime. Otherwise we can add a HW flag for that I guess.
> >
> > Not sure what you mean?
> 
> All BA sessions are destroyed right after reconfig. For devices that
> manage these in FW, the FW was just reloaded and doesn't know about
> existing sessions at all.
> So I guess there's sense in sending the delBA, but no sense calling
> the driver ampdu callback (at least for how 12xx works).

Oh right. This is more of a workaround I guess, since we can't restore
them very well after a firmware reload won't know anything about them. I
haven't really thought much about this at all.

johannes

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