netdev - Re: [RFC PATCH 3/3] xfrm4: Invalidate all ipv4 routes on IPsec pmtu events

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Date:	Mon, 21 Jan 2013 13:04:12 +0100
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	David Miller <davem@...emloft.net>
Cc:	Yurij.Plotnikov@...etlabs.ru, bhutchings@...arflare.com,
	netdev@...r.kernel.org, Alexandra.Kossovsky@...etlabs.ru
Subject: Re: [RFC PATCH 3/3] xfrm4: Invalidate all ipv4 routes on IPsec pmtu
 events

On Fri, Jan 18, 2013 at 02:39:23PM -0500, David Miller wrote:
> From: Steffen Klassert <steffen.klassert@...unet.com>
> Date: Fri, 18 Jan 2013 09:16:01 +0100
> 
> > On IPsec pmtu events we can't access the transport headers of
> > the original packet, so we can't find the socket that sent
> > the packet. The only chance to notify the socket about the
> > pmtu change is to force a relookup for all routes. This
> > patch implenents this for the IPsec protocols.
> > 
> > Signed-off-by: Steffen Klassert <steffen.klassert@...unet.com>
> 
> Expensive, but I really can't come up with a better idea.

I've just applied this to the ipsec tree.
I'll send a pull request tomorrow.
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