netdev - Re: [RFC PATCH net-2.6.25 uncompilable] [TCP]: Avoid breaking GSOed skbs when SACKed one-by-one

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Date:	Tue, 11 Dec 2007 16:14:36 -0800
From:	"Lachlan Andrew" <lachlan.andrew@...il.com>
To:	"David Miller" <davem@...emloft.net>
Cc:	ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org,
	quetchen@...tech.edu
Subject: Re: [RFC PATCH net-2.6.25 uncompilable] [TCP]: Avoid breaking GSOed skbs when SACKed one-by-one

Greetings all,

On 11/12/2007, David Miller <davem@...emloft.net> wrote:
>
> we should
> get it right as it might have network driver interface implications.

If you're redoing the driver interface, could I put in a request for
packet time-stamping at a lower level?

This thread started because TCP processing interferes with RTT
estimation.  This problem would be eliminated if time-stamping were
done as soon as the packet comes off the NIC.

$0.02
Lachlan

-- 
Lachlan Andrew  Dept of Computer Science, Caltech
1200 E California Blvd, Mail Code 256-80, Pasadena CA 91125, USA
Ph: +1 (626) 395-8820    Fax: +1 (626) 568-3603
http://netlab.caltech.edu/~lachlan
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