netdev - Re: handing cloned frames to netif

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Message-Id: <1200092657.3528.7.camel@johannes.berg>
Date:	Sat, 12 Jan 2008 00:04:17 +0100
From:	Johannes Berg <johannes@...solutions.net>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org, ron.rindjunsky@...el.com,
	linux-wireless@...r.kernel.org
Subject: Re: handing cloned frames to netif_rx()?


On Sat, 2008-01-12 at 10:01 +1100, Herbert Xu wrote:
> On Fri, Jan 11, 2008 at 11:58:05PM +0100, Johannes Berg wrote:
> >
> > Ok. Yes, we will of course adhere to that, but I was wondering whether
> > maybe the net stack assumes somewhere that a packet it got from the
> > driver can be written to w/o copying.
> 
> All parts of the rx stack support clone handling because they can always
> run after another handler (e.g., AF_PACKET) which may have cloned the
> packet.

Great, thanks for confirming, we'll do that then.

johannes

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