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Date: Tue, 18 May 2010 03:27:33 +0000 (UTC)
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
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To: Pyun YongHyeon <yongari@FreeBSD.org>
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Cc: svn-src-head@freebsd.org, svn-src-all@freebsd.org,
	src-committers@freebsd.org
Subject: Re: svn commit: r207851 - head/sys/dev/sge
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On Mon, 10 May 2010, Pyun YongHyeon wrote:

> Author: yongari
> Date: Mon May 10 17:14:14 2010
> New Revision: 207851
> URL: http://svn.freebsd.org/changeset/base/207851
>
> Log:
>  Implement TSO and TSO over VLAN. Increase number of allowed
>  fragmentation of mbuf chain to 32 from 16 because TSO can send 64KB
>  sized packet which in turn requires long list of mbuf chain. Due to
>  lack of documentation, I'm not sure whether driver have to pull up
>  ethernet/IP/TCP header with options to make controller work but
>  driver have to parse TCP header to update pseudo TCP checksum
>  anyway. The controller expects pseudo TCP checksum computed by
>  upper stack and the checksum should follow the MS NDIS
>  specification to make TSO work.
>
>  Tested by:	xclin <xclin <> cs dot nctu dot edu dot tw >

This brings in INET as a dependency for the driver and fails on my
 	nooptions INET
 	nooptions INET6
kernels (in_pseudo()).

/bz

-- 
Bjoern A. Zeeb                                     (from 21) Micky Rosa:
    But as we've all said, this game is about the past and the future,
    and tonight we forget about the past. We just focus on the future.