Re: iwlwifi aggregation info

Tomas Winkler
2008-07-29T12:25:57Z

On Tue, Jul 29, 2008 at 2:36 PM, Johannes Berg
<johannes@sipsolutions.net> wrote:
>
>> Say a station enables aggregation on a low-priority TID, manages to fill
>> the hw queue because high-prio frames are eating up all the airtime and
>> then disables aggregation again. Now another station enables aggregation
>> on a high-priority TID, and gets assigned to the same hw queue. Now
>> frames for that station will be stalled, no? Seems like a bug to me.

aggregation queue can still can tx packets in singles so such stall
doesn't happen even in theory.

> Never mind, the queue won't get reassigned. I was just confused by a
> bunch of superfluous code in iwl-tx.c. You cannot ever run into having
> IWL_EMPTYING_HW_QUEUE_ADDBA set because you wait for the queue to drain
> before fully disabling it.

Correct.

Tomas