netdev - Re: [PATCH net-next] net: Add phys_port identifier to struct net

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Message-ID: <CAJZOPZLz9HBuOXj0hsrMOvQAVR=koL72-4GQUxY4G+tN-VKgSA@mail.gmail.com>
Date:	Mon, 22 Jul 2013 18:48:43 +0300
From:	Or Gerlitz <or.gerlitz@...il.com>
To:	Jiri Pirko <jiri@...nulli.us>
Cc:	Narendra_K@...l.com, bhutchings@...arflare.com,
	netdev@...r.kernel.org, john.r.fastabend@...el.com
Subject: Re: [PATCH net-next] net: Add phys_port identifier to struct
 net_device and export it to sysfs

On Mon, Jul 22, 2013 at 2:49 PM, Jiri Pirko <jiri@...nulli.us> wrote:
> Mon, Jul 22, 2013 at 01:46:01PM CEST, Narendra_K@...l.com wrote:

>>Would it be useful to embed the port number at a known offset to ensure
>>uniformity across all drivers, if a driver choses to embed port number
>>as part of phys_port_id ?

> I would not do that. Just let it be meaningless number. That is best for
> security reasons as well.

What's wrong with uniformity on port number or even on the overall concept?

Or.
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