netdev - Re: [E1000-devel] [net-next v4 7/8] i40e: sysfs and debugfs interfaces

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Message-ID: <522915E7.8010308@intel.com>
Date:	Thu, 05 Sep 2013 16:38:15 -0700
From:	John Fastabend <john.r.fastabend@...el.com>
To:	Stephen Hemminger <stephen@...workplumber.org>
CC:	"Nelson, Shannon" <shannon.nelson@...el.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"e1000-devel@...ts.sourceforge.net" 
	<e1000-devel@...ts.sourceforge.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"gospo@...hat.com" <gospo@...hat.com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"sassmann@...hat.com" <sassmann@...hat.com>
Subject: Re: [E1000-devel] [net-next v4 7/8] i40e: sysfs and debugfs interfaces

On 9/5/2013 11:32 AM, Stephen Hemminger wrote:

[...]

>
> IMHO  attributes are a nice way of handling the VSI attributes since they
> seem hardware specific.  Not sure how to do the right thing with switching.
> Should it look like Macvlan, bridge, VXLAN, or something else.

I think if you add a new rtnl link type call it "VSI" then it looks very
similar to a macvlan which has been offloaded. Additionally you get all
the fdb and ndo ops that already exist for free.

I proposed something similar here,

http://comments.gmane.org/gmane.linux.network/237617

although as Ben pointed out I screwed up the implementation. I'll work
on updating this to submit when net-next opens again.

.John


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