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Date:      Tue, 20 Jun 2000 17:14:57 -0700 (PDT)
From:      Matthew Jacob <mjacob@feral.com>
To:        Paul Saab <paul@mu.org>
Cc:        Dave Preece <dave.preece@kbgroup.co.nz>, Marc Nicholas <marc@netstor.com>, freebsd-hackers@FreeBSD.ORG
Subject:   Re: IP checksum offloading with intel 82559 fast ethernet.
Message-ID:  <Pine.BSF.4.05.10006201658300.12031-100000@semuta.feral.com>
In-Reply-To: <20000620165630.A61265@elvis.mu.org>

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> The checksome off loading for the Intel gigabit card is broken.  All you
> get is the checksum of the frame, so it really isn't all that useful.

Yeah, well, there's a couple of things that supposedly can be done about that.

For transmit, there's a start/offset you can do which could allow to insert a
checksum that didn't start at the frame header. Layering violation, but
probably would be helpful.








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