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From: Jeff Garzik <jgarzik@pobox.com>
To: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB
Date: Sat, 12 Jan 2008 17:27:12 -0500	[thread overview]
Message-ID: <47893EC0.1080303@pobox.com> (raw)
In-Reply-To: <110604.81450.qm@web52011.mail.re2.yahoo.com>

Matti Linnanvuori wrote:
> From: Matti Linnanvuori <mattilinnanvuori@yahoo.com>
> 
> Add a guideline for hard_start_xmit method not to
> modify SKB.
> 
> Signed-off-by: Matti Linnanvuori
> <mattilinnanvuori@yahoo.com>
> 
> ---
> 
> 
> --- a/Documentation/networking/driver.txt	2007-12-22
> 18:50:28.062169500 +0200
> +++ b/Documentation/networking/driver.txt	2007-12-22
> 19:10:58.726566000 +0200
> 
> @@ -74,6 +74,9 @@ Transmit path guidelines:
>     If you return 1 from the hard_start_xmit method,
> you must not keep
>     any reference to that SKB and you must not attempt
> to free it up.
>  
> +4) A hard_start_xmit method must not modify the
> cloned parts of the
> +   SKB.
> +
>  Probing guidelines:
>  
>  1) Any hardware layer address you obtain for your
> device should
> 

patch is word-wrapped



      reply	other threads:[~2008-01-12 22:27 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-12-22 17:22 [PATCH] Documentation: add a guideline for hard_start_xmit method not to modify SKB Matti Linnanvuori
2008-01-12 22:27 ` Jeff Garzik [this message]

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