On Tuesday 07 April 2009 21:37:58 Johannes Berg wrote:
> On Tue, 2009-04-07 at 21:33 +0200, Michael Buesch wrote:
> 
> > > Well, I suppose you could register with the max and later reduce and
> > > stop the remaining queues you're not using... Or not stop them and drop
> > > packets on them. That's somewhat fragile, gives people who look at tc a
> > > wrong idea, and I can't imagine supporting it, but it should work.
> > 
> > mkay, I'll try this. thanks :)
> > 
> > I wonder, however, will mac80211 try to queue packets on queues that are 
> > stopped?
> > And I think just dropping them is not an option, because this will cause 
> > breakage.
> > 
> > What about just queueing everything on a single queue, no matter what queue 
> > mac80211
> > puts the frame into? Would this cause ordering issues?
> > Or the other way around, is there anything that _depends_ on the higher 
> > priority queues
> > to get sent before the higher priority queues?
> 
> mac80211 won't try to select a queue higher than hw->queues at
> select_queue time, so it shouldn't try to put packets onto that queue,
> look in wme.c.

Ok I see. So you say it's OK to lower hw->queues after ieee80211_register.
Should I reset hw->queues back to the value ieee80211_register was called with, 
before
I call unregister/free? Are there resources allocated by the number of queues?

-- 
Greetings, Michael.
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