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Date:      Sat, 15 Dec 2001 02:59:40 -0800
From:      Terry Lambert <tlambert2@mindspring.com>
To:        David Greenman <dg@root.com>
Cc:        Brooks Davis <brooks@one-eyed-alien.net>, rsharpe@ns.aus.com, freebsd-hackers@FreeBSD.ORG
Subject:   Re: Does anyone know if the Broadcom BCM5700 has problems with HW csum?
Message-ID:  <3C1B2D1C.2A148A9C@mindspring.com>
References:  <3C1AEA9E.6010502@ns.aus.com> <20011214214118.A30560@Odin.AC.HMC.Edu> <3C1AF362.534BD2F7@mindspring.com> <20011215005739.A84861@nexus.root.com>

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David Greenman wrote:
> >I believe you will find that the problem is related to the firmware
> >handling of VLAN tagging, and that the problem only exists if VLAN
> >tagging is enabled.
> 
>    You would believe wrongly, then, because the problem that I was seeing did
> not involve VLAN tags.

OK; it was worth a shot, since Broadcom was known to get that part
wrong (they blew it big time on the Tigon II firmware).  Too bad;
the checksum offload is usually really helpful, if you can get
arounf the quirks.  8^(.

-- Terry

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