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From: Robert Watson <rwatson@FreeBSD.org>
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To: Danny Braniss <danny@cs.huji.ac.il>
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Cc: Peter Jeremy <peter@vk2pj.dyndns.org>, freebsd-stable@freebsd.org
Subject: Re: impossible packet length ... 
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On Sun, 8 Feb 2009, Danny Braniss wrote:

> looking at the bce source, it's not clear (to me :-). If errors are detected 
> in bce_rx_intr(), the packet gets dropped, which I would expect to be the 
> treatment of an offloded chekcum error, but it seems that is not the case.

I think we're thinking of different checksums -- devices/device drivers drop 
frames with bad ethernet checksums, but not IP and above layer checksums.

Robert N M Watson
Computer Laboratory
University of Cambridge