netdev - Re: [PATCH] vlan: restore ethtool ABI to control VLAN hardware acceleration

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Message-Id: <20130617.171001.1255646251913428917.davem@davemloft.net>
Date:	Mon, 17 Jun 2013 17:10:01 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	fernando_b1@....ntt.co.jp, kaber@...sh.net, netdev@...r.kernel.org
Subject: Re: [PATCH] vlan: restore ethtool ABI to control VLAN hardware
 acceleration

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Mon, 17 Jun 2013 19:20:54 +0100

> On Mon, 2013-06-17 at 11:28 +0900, Fernando Luis Vázquez Cao wrote:
>> As part of the push to add 802.1ad server provider tagging support to the
>> kernel the VLAN features flags were renamed. Unfortunately the kernel name
>> for the VLAN hardware acceleration features that the kernel shows user space
>> was included in the rename, which broke ethtool (txvlan and rxvlan options
>> do not work).
> 
> I expected something like that and said this was an ABI change, but
> apparently my objection wasn't sufficient.
> 
>> This patch restores the original names, i.e. the original ABI.
>> If we wanted to make clear to users that we are refering to CTAGs we can
>> always change ethtool's short_name and long_name for these features (for
>> example something along the lines of txvlan -> txvlan-ctag, tx-vlan-offload ->
>> tx-vlan-ctag-offload).
>> 
>> Cc: Patrick McHardy <kaber@...sh.net>
>> Cc: David S. Miller <davem@...emloft.net>
>> Cc: netdev@...r.kernel.org
>> Signed-off-by: Fernando Luis Vazquez Cao <fernando@....ntt.co.jp>
> 
> Reviewed-by: Ben Hutchings <bhutchings@...arflare.com>

Ok Ben you were indeed right :-)

Applied, thanks.
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