From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Miller <davem@davemloft.net>
Subject: Re: [PATCH v2 net] vlan: Mask off vlan acceleration features on
 vlan device.
Date: Wed, 26 Mar 2014 17:10:38 -0400 (EDT)
Message-ID: <20140326.171038.2150319831233512825.davem@davemloft.net>
References: <1395865521-2318-1-git-send-email-vyasevic@redhat.com>
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From: Vlad Yasevich <vyasevic@redhat.com>
Date: Wed, 26 Mar 2014 16:28:31 -0400

> Some drivers incorrectly assign vlan acceleration features to
> vlan_features thus causing issues for Q-in-Q vlan configurations.
> Prevent this once and for all by masking off acceleration features
> for vlan devices until such time as we support stacked acceleration.
> 
> Signed-off-by: Vlad Yasevich <vyasevic@redhat.com>

So what if we do have chips that can offload Q-in-Q?  Will we use
a new flag?