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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Date:	Mon, 6 Jan 2014 14:29:04 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Steffen Klassert <steffen.klassert@...unet.com>
Cc:	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 02:18:22PM +0100, Steffen Klassert wrote:
> 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.

I am happy to hear that. Thanks again for testing!

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