netdev - Re: [PATCH net-next] 8021q: validate SAN MAC address

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Message-Id: <20121113.205845.1523743296362293053.davem@davemloft.net>
Date:	Tue, 13 Nov 2012 20:58:45 -0500 (EST)
From:	David Miller <davem@...emloft.net>
To:	mchan@...adcom.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next] 8021q: validate SAN MAC address

From: "Michael Chan" <mchan@...adcom.com>
Date: Tue, 13 Nov 2012 17:50:50 -0800

> On Tue, 2012-11-13 at 20:24 -0500, David Miller wrote:
>> From: "Michael Chan" <mchan@...adcom.com>
>> Date: Tue, 13 Nov 2012 15:40:29 -0800
>> 
>> > I suppose we can just put the SAN MAC into the real netdev->dev_addr so
>> > that the VLAN will automatically get it.  But this doesn't seem very
>> > nice as we would be pretending to have a normal MAC address (for
>> > networking) in this SAN device.  The networking MAC address is in a
>> > different PCI function.
>> 
>> I certainly would prefer if you took that approach.  At least in that
>> way the addressing of the netdev objects would appear more consistent.
>> 
> Ok.  To be more complete, I think we need to add a flag or something to
> such a netdev to indicate that it is a SAN device only.  What's your
> opinion on that?

Yes, that would describe the limitation you mentioned.  Maybe
add a new netdev->priv_flags for this.
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