netdev - Re: [PATCH ipsec 3/3] xfrm: choose protocol family by skb protocol

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Date:	Sat, 17 Aug 2013 12:04:46 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>
Cc:	netdev@...r.kernel.org, steffen.klassert@...unet.com
Subject: Re: [PATCH ipsec 3/3] xfrm: choose protocol family by skb protocol

On Sat, 2013-08-17 at 19:51 +0200, Hannes Frederic Sowa wrote:
> We need to choose the protocol family by skb->protocol. Otherwise we
> call the wrong xfrm{4,6}_local_error handler in case an ipv6 sockets is
> used in ipv4 mode, in which case we should call down to xfrm4_local_error
> (ip6 sockets are a superset of ip4 ones).
> 
> We are called before before ip_output functions, so skb->protocol is
> not reset.
> 
> Cc: Steffen Klassert <steffen.klassert@...unet.com>
> Signed-off-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> ---

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


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