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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>
Cc:        John-Mark Gurney <gurney_j@resnet.uoregon.edu>
Subject:   Re: changes to make ethernet packets able to be unaligned...
Message-ID:  <Pine.SOC.4.61.0503201310410.25978@tea.blinkenlights.nl>
In-Reply-To: <20050320053637.J54298@odysseus.silby.com>
References:  <20050317221359.GN89312@funkthat.com> <20050318021907.H844@odysseus.silby.com> <20050318092429.GD37984@funkthat.com> <Pine.SOC.4.61.0503191553060.25978@tea.blinkenlights.nl> <20050320053637.J54298@odysseus.silby.com>

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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



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