netdev - Re: [patch net-next v2 05/10] rocker: introduce rocker switch driver

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Date:	Tue, 11 Nov 2014 16:10:36 +0000
From:	Thomas Graf <tgraf@...g.ch>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	John Fastabend <john.fastabend@...il.com>, netdev@...r.kernel.org,
	davem@...emloft.net, nhorman@...driver.com, andy@...yhouse.net,
	dborkman@...hat.com, ogerlitz@...lanox.com, jesse@...ira.com,
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	sfeldma@...il.com, f.fainelli@...il.com, roopa@...ulusnetworks.com,
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	buytenh@...tstofly.org, aviadr@...lanox.com, nbd@...nwrt.org,
	alexei.starovoitov@...il.com, Neil.Jerram@...aswitch.com,
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	mleitner@...hat.com, shrijeet@...il.com, gospo@...ulusnetworks.com,
	bcrl@...ck.org
Subject: Re: [patch net-next v2 05/10] rocker: introduce rocker switch driver

On 11/11/14 at 04:40pm, Jiri Pirko wrote:
> Tue, Nov 11, 2014 at 04:32:32PM CET, tgraf@...g.ch wrote:
> >If the ID is only unique within a driver, then the user space cannot
> >rely on using the ID to group switch ports. Multiple drivers might
> >come up with the same ID.
> 
> Well, as I said, it is the same as for physical port id. But if needed,
> there can be added some simple mechanism for the id registration
> ensuring their uniqueness.
> 
> >
> >Even now, multiple rocker instances would have the same ID.
> 
> It depends on what hw returns to driver.

I think that falls within the responsibility of the API. I'll propose
a patch to address it after this gets in.
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