netdev - Re: [CRIU] TCP_REPAIR MSS issue

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Message-ID: <EE75D5F9-7243-4DE0-94FE-F6279939C231@netapp.com>
Date:	Tue, 14 Jun 2016 19:37:12 +0000
From:	"Eggert, Lars" <lars@...app.com>
To:	Andrey Vagin <avagin@...tuozzo.com>
CC:	Pavel Emelyanov <xemul@...tuozzo.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"criu@...nvz.org" <criu@...nvz.org>,
	"Honda, Michio" <michio@...app.com>
Subject: Re: [CRIU] TCP_REPAIR MSS issue

Hi,

On 2016-06-14, at 19:15, Andrey Vagin <avagin@...tuozzo.com> wrote:
> Recently we found that we have to restore more parameters for tcp
> sockets.
> https://patchwork.kernel.org/patch/9144995/

thanks for the pointer.

> As for your problem, criu saves and restores mss_clamp. Could you check
> that it works for your case?

I do this already, but clamping doesn't help here, since it only limits the MSS (but does not increase it from the minimum.)

Lars

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