>* David Greenman <[EMAIL PROTECTED]> [011215 03:12] wrote:
>> >Brooks Davis wrote:
>> >> There was a commit to current a few hours ago disabling hardware
>> >> checksums on recieve due to corruption problems.  It will be MFC'd in
>> >> three days though it's a two line fix so you could apply it your self:
>> >> 
>> >> http://www.freebsd.org/cgi/cvsweb.cgi/src/sys/dev/bge/if_bge.c.diff?r1=1.4&r2=1.5
>> >
>> >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.
>
>You're probably incorrect, it doesn't matter if vlan tags are active
>or not, it's most likely wheather or not the firmware is being asked
>to handle them at all.

   I would think it would get the checksum wrong most of the time if that
were the case. It seems to only have problems with small packets, but the
behavior is pretty strange, so who knows. Do you have some specific knowledge
about Broadcom and brokeness related to VLAN tag support when not using
VLANs?

-DG

David Greenman
Co-founder, The FreeBSD Project - http://www.freebsd.org
President, TeraSolutions, Inc. - http://www.terasolutions.com
Pave the road of life with opportunities.

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