netdev - Re: [PATCH v2 net-next 2/4] net: flow_dissector: add __skb_get

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Message-ID: <1363705439.2558.4.camel@edumazet-glaptop>
Date:	Tue, 19 Mar 2013 08:03:59 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Daniel Borkmann <dborkman@...hat.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net, jasowang@...hat.com
Subject: Re: [PATCH v2 net-next 2/4] net: flow_dissector: add __skb_get_poff
 to get a start offset to payload

On Tue, 2013-03-19 at 15:34 +0100, Daniel Borkmann wrote:
> __skb_get_poff() returns the offset to the payload as far as it could
> be dissected. The main user is currently BPF, so that we can dynamically
> truncate packets without needing to push actual payload to the user
> space and instead can analyze headers only.
> 
> Suggested-by: Eric Dumazet <edumazet@...gle.com>
> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>
> ---
>  include/linux/skbuff.h    |  2 ++
>  net/core/flow_dissector.c | 57 +++++++++++++++++++++++++++++++++++++++++++++++
>  2 files changed, 59 insertions(+)

Acked-by: Eric Dumazet <edumazet@...gle.com>


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