netdev - Re: [PATCH] mac80211: rewrite fragmentation code

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Message-Id: <200805081500.00682.mb@bu3sch.de>
Date:	Thu, 8 May 2008 15:00:00 +0200
From:	Michael Buesch <mb@...sch.de>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Johannes Berg <johannes@...solutions.net>,
	linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
	Ron Rindjunsky <ron.rindjunsky@...el.com>,
	Tomas Winkler <tomasw@...il.com>,
	Ivo van Doorn <ivdoorn@...il.com>,
	Peter P Waskiewicz Jr <peter.p.waskiewicz.jr@...el.com>
Subject: Re: [PATCH] mac80211: rewrite fragmentation code

On Thursday 08 May 2008 05:22:08 Herbert Xu wrote:
> On Wed, May 07, 2008 at 03:48:06PM +0200, Michael Buesch wrote:
> >
> > So there's no way to actually fail in a TX handler? Drivers
> > are doomed to drop the packet, if they cannot handle it due to
> > ring overflow?
> 
> You're supposed to stop the queue before the ring overflows.

Ok, what about DMA error. kmalloc error or something else?
ring overflow was a bad example, of course.

-- 
Greetings Michael.
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