Re: [PATCH v2] tcp: splice as many packets as possible at once

Herbert Xu
2009-02-03T12:29:42Z

On Tue, Feb 03, 2009 at 01:25:35PM +0100, Willy Tarreau wrote:
>
> > So:
> > 1. copy the whole jumbo skb into fragmented one
> > 2. reduce the MTU
>
> you'll not reduce MTU of established connections though. And trying to
> advertise MSS changes in the middle of a TCP connection is an awful
> hack which I think will not work everywhere.

Not to mention that Ethernet isn't just IP, so the protocol that
is being used might not have a concept of path MTU discovery at
all.

Cheers,
--
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