netdev - Re: [PATCH net-next 1/2] ipv4: add forwarding_uses_pmtu knob to protect forward path to use pmtu info

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Message-ID: <20140106131822.GU31491@secunet.com>
Date:	Mon, 6 Jan 2014 14:18:22 +0100
From:	Steffen Klassert <steffen.klassert@...unet.com>
To:	Hannes Frederic Sowa <hannes@...essinduktion.org>,
	netdev@...r.kernel.org, eric.dumazet@...il.com, davem@...emloft.net
Subject: Re: [PATCH net-next 1/2] ipv4: add forwarding_uses_pmtu knob to
 protect forward path to use pmtu info

On Mon, Jan 06, 2014 at 10:05:21AM +0100, Steffen Klassert wrote:
> > 
> > IIRC you have a (semi-)automatic test suite to test for (p)mtu problems? Would
> > these checks cover such a change?
> > 
> 
> I'm currenlty testing these patches. ipv4 looks good but on
> ipv6 with 'ping6' the packet size is not reduced according
> to the pmtu when forward_use_pmtu is set to 0.
> 
> I'll run the tests again with your updated v3 patches.
> 

The v3 version of your patches don't show any obvious regressions
on our pmtu test suite.

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