netdev - Re: Problematic commits in the ipsec tree

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Message-ID: <20130822112104.GB19269@order.stressinduktion.org>
Date:	Thu, 22 Aug 2013 13:21:04 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: Problematic commits in the ipsec tree

On Thu, Aug 22, 2013 at 12:47:24PM +0200, Steffen Klassert wrote:
> I have two problematic commits from you in the ipsec tree. The first one is:
> 
> commit 0ea9d5e3e (xfrm: introduce helper for safe determination of mtu)
> 
> This breakes pmtu discovery for IPv4 because now we use the device mtu
> instead of the reduced IPsec mtu in xfrm4_tunnel_check_size() if a IPv4
> socket is at the skb.
> 
> The second is:
> 
> commit 844d48746 (xfrm: choose protocol family by skb protocol)
> 
> This breaks pmtu discovery for IPv6 too because skb->protocol can be null
> in __xfrm6_output().
> 
> We need a solution soon, or I have to revert or remove these commits from
> the ipsec tree.

Thanks for letting me know. I'll work on it right away.

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