From mboxrd@z Thu Jan  1 00:00:00 1970
From: Patrick McHardy <kaber@trash.net>
Subject: Re: [PATCH 2/4] TCPMSS: clamp to input interface MTU too
Date: Wed, 24 May 2006 18:18:12 +0200
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To: philipc@snapgear.com
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philipc@snapgear.com wrote:
> Ideally we would clamp the MSS based on the PMTU from src to dst.
> Currently we use the PMTU from the packet filter to the dst.
> This patch better approximates the full PTMU by using the input
> interface MTU too.


Also one of the things I have a half-finished patch for :)
But it (optionally) does a routing lookup for the source
to get a better estimate than the interface MTU.