netdev - Re: [PATCH] vlan: Support sending custom Ethernet CRC.

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Message-ID: <4F558BBD.1050400@candelatech.com>
Date:	Mon, 05 Mar 2012 19:59:57 -0800
From:	Ben Greear <greearb@...delatech.com>
To:	David Miller <davem@...emloft.net>
CC:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: [PATCH] vlan: Support sending custom Ethernet CRC.

On 03/05/2012 06:14 PM, David Miller wrote:
> From: greearb@...delatech.com
> Date: Mon,  5 Mar 2012 18:05:58 -0800
>
>> NOTE:  You will probably have to disable any
>> VLAN hardware assist on the underlying device to get
>> this to properly send packets with this feature enabled.
>
> This need to be therefore handled specifically on a device-by-device
> basis, and VLAN custom CRC disabled unless the device explicitly
> states that it can handle this situation properly and has any
> necessary feature rule enforcement codified.

I'll see what I can come up with.  Maybe figure out how to propagate
a flag up from the NIC when it is in a state that can handle VLAN + custom-CRC
and only enable the flag on the VLAN in that case...

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com>
Candela Technologies Inc  http://www.candelatech.com
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