Netdev List
 help / color / mirror / Atom feed
From: Johannes Berg <johannes-cdvu00un1VgdHxzADdlk8Q@public.gmane.org>
To: Herbert Xu <herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@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 00:04:17 +0100	[thread overview]
Message-ID: <1200092657.3528.7.camel@johannes.berg> (raw)
In-Reply-To: <20080111230105.GA32656-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>

[-- Attachment #1: Type: text/plain, Size: 548 bytes --]


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

[-- Attachment #2: This is a digitally signed message part --]
[-- Type: application/pgp-signature, Size: 828 bytes --]

  parent reply	other threads:[~2008-01-11 23:04 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
     [not found]           ` <20080111230105.GA32656-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org>
2008-01-11 23:04             ` Johannes Berg [this message]
2008-01-11 22:48   ` Tomas Winkler

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=1200092657.3528.7.camel@johannes.berg \
    --to=johannes-cdvu00un1vgdhxzaddlk8q@public.gmane.org \
    --cc=herbert-lOAM2aK0SrRLBo1qDEOMRrpzq4S04n8Q@public.gmane.org \
    --cc=linux-wireless-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=netdev-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=ron.rindjunsky-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox