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Re: Aggregation problem with rt2800 AP and Intel 5100 STA

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On Thu, 2011-03-24 at 22:38 +0200, Emmanuel Grumbach wrote:

> >> STA -> AP  nullfunc PM=1
> >> AP -> STA  AMPDU (seqnr 3106 - 3112)
> >> AP -> STA  AMPDU (seqnr 3106 - 3112), retry
> >> AP -> STA  AMPDU (seqnr 3106 - 3112), retry
> >> AP -> STA  AMPDU (seqnr 3106 - 3112), retry
> >> AP -> STA  AMPDU (seqnr 3106 - 3112), retry
> >> AP -> STA  AMPDU (seqnr 3106 - 3112), retry
> >> ...
> >> STA -> AP nullfunc PM=0
> >> ...
> 
> Hold on, why do mac80211 send a frame to a sleeping station ?
> Am I stupid or is this buggy ?

Heh, neither. This happens when the frame is already queued on the
hardware queue.

johannes

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