netdev - Re: [net-next PATCH] e1000e: allow tx of pre-formatted vlan tagged packets

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Date:	Wed, 18 Mar 2009 23:55:31 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	David Miller <davem@...emloft.net>
Cc:	ajones@...erbed.com, e1000-devel@...ts.sourceforge.net,
	netdev@...r.kernel.org, shemminger@...tta.com,
	alexander.h.duyck@...el.com
Subject: Re: [net-next PATCH] e1000e: allow tx of pre-formatted vlan tagged 
	packets

On Wed, Mar 18, 2009 at 11:41 PM, David Miller <davem@...emloft.net> wrote:
> From: Arthur Jones <ajones@...erbed.com>
> Date: Tue, 17 Mar 2009 12:59:05 -0700
>
>> As with igb, when the e1000e driver is fed 802.1q
>> packets with hardware checksum on, it chokes with an
>> error of the form:
>>
>> checksum_partial proto=81!
>>
>> As the logic there was not smart enough to look into
>> the vlan header to pick out the encapsulated protocol.
>>
>> There are times when we'd like to send these packets
>> out without having to configure a vlan on the interface.
>> Here we check for the vlan tag and allow the packet to
>> go out with the correct hardware checksum.
>>
>> Thanks to Kand Ly <kand@...erbed.com> for discovering the
>> issue and the coming up with a solution.  This patch is
>> based upon his work.
>>
>> Fixups from Stephen Hemminger <shemminger@...tta.com> and
>> Alexander Duyck <alexander.h.duyck@...el.com>.
>>
>> Signed-off-by: Arthur Jones <ajones@...erbed.com>
>
> Jeff K., you got this one too?
> --

Yes.  I have both.  The are both in my queue, and I should have
something for you Dave later tonight/tomorrow morning.

-- 
Cheers,
Jeff
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