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Date: Sun, 20 Mar 2005 13:14:05 +0100 (CET)
From: Sten Spans <sten@blinkenlights.nl>
To: Mike Silbersack <silby@silby.com>
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cc: freebsd-net@FreeBSD.org
cc: John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Subject: Re: changes to make ethernet packets able to be unaligned...
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On Sun, 20 Mar 2005, Mike Silbersack wrote:

>
> On Sat, 19 Mar 2005, Sten Spans wrote:
>
>> em with jumboframes is borken atm.
>> It seems some drivers don't handle the jumboframes -
>> chained mbufs case quite correctly.
>> 
>> -- 
>> Sten Spans
>
> Totally broken, or broken when used on non-i386 architectures?

Broken on alpha, I haven't had a chance to test other
!i386 architectures. But the same problem already has a
( posibly dirty ) fix in openbsd.

Alignment is only done for mtu 1500, so jumbo frames are
not aligned with causes problems on strict alignment architectures.

http://www.freebsd.org/cgi/query-pr.cgi?pr=75794

-- 
Sten Spans

"There is a crack in everything, that's how the light gets in."
Leonard Cohen - Anthem