From: Michael Buesch <mb@bu3sch.de>
To: Michael Wu <flamingice@sourmilk.net>
Cc: Jiri Benc <jbenc@suse.cz>, John Linville <linville@tuxdriver.com>,
linux-wireless@vger.kernel.org
Subject: Re: [PATCH RFC] mac80211: Make stop_queues() usable
Date: Tue, 3 Jul 2007 19:47:56 +0200 [thread overview]
Message-ID: <200707031947.56602.mb@bu3sch.de> (raw)
In-Reply-To: <200707031041.27895.flamingice@sourmilk.net>
On Tuesday 03 July 2007 19:41:22 Michael Wu wrote:
> On Tuesday 03 July 2007 10:36, Michael Buesch wrote:
> > the _only_ place where it's sane to call stop_queues (to stop all queues)
> > is outside of the TX handler. Why would you stop all queues inside of
> > the TX path?
> isl38xx cards (p54) need the host to manage the memory that frames are copied
> to before the card transmits. If the card's memory gets filled up, all queues
> need to be stopped.
Ah, yeah. Well. I was mainly talking about modern cards with
modern DMA rings. ;) But Ok. This card may want to stop all
queues from the TX path.
On bcm43xx each queue is seperate and can run
concurrently, though.
--
Greetings Michael.
prev parent reply other threads:[~2007-07-03 17:49 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-02 20:35 [PATCH RFC] mac80211: Make stop_queues() usable Michael Buesch
2007-07-03 4:09 ` Michael Wu
2007-07-03 8:39 ` Michael Buesch
2007-07-03 12:31 ` Patrick McHardy
2007-07-03 12:39 ` Michael Buesch
2007-07-03 12:56 ` Patrick McHardy
2007-07-03 17:15 ` Michael Wu
2007-07-03 17:36 ` Michael Buesch
2007-07-03 17:41 ` Michael Wu
2007-07-03 17:47 ` Michael Buesch [this message]
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