netdev - Re: [PATCH net-next 1/5] net: Fix GRE RX to use skb_transport

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Message-ID: <1410172620.11872.88.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Mon, 08 Sep 2014 03:37:00 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Tom Herbert <therbert@...gle.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 1/5] net: Fix GRE RX to use
 skb_transport_header for GRE header offset

On Sun, 2014-09-07 at 22:26 -0700, Tom Herbert wrote:
> GRE assumes that the GRE header is at skb_network_header +
> ip_hrdlen(skb). It is more general to use skb_transport_header
> and this allows the possbility of inserting additional header
> between IP and GRE (which is what we will done in Generic UDP
> Encapsulation for GRE).
> 
> Signed-off-by: Tom Herbert <therbert@...gle.com>
> ---
>  net/ipv4/gre_demux.c | 5 ++---
>  1 file changed, 2 insertions(+), 3 deletions(-)

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

Note this has nothing to do with GRO ;)


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