From: Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
To: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
Cc: netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org,
ron.rindjunsky-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org,
linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
Subject: Re: handing cloned frames to netif_rx()?
Date: Sat, 12 Jan 2008 10:01:05 +1100 [thread overview]
Message-ID: <20080111230105.GA32656@gondor.apana.org.au> (raw)
In-Reply-To: <1200092285.3528.5.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
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.
Cheers,
--
Visit Openswan at http://www.openswan.org/
Email: Herbert Xu ~{PmV>HI~} <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
next prev parent reply other threads:[~2008-01-11 23:01 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-11 1:17 handing cloned frames to netif_rx()? Johannes Berg
[not found] ` <1200014246.3861.148.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2008-01-11 22:31 ` Herbert Xu
2008-01-11 22:58 ` Johannes Berg
[not found] ` <1200092285.3528.5.camel-YfaajirXv214zXjbi5bjpg@public.gmane.org>
2008-01-11 23:01 ` Herbert Xu [this message]
[not found] ` <20080111230105.GA32656-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
2008-01-11 23:04 ` Johannes Berg
2008-01-11 22:48 ` Tomas Winkler
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