netdev - Re: [PATCH] mlx4_en: show device's port used

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Message-ID: <adaaarnzzsc.fsf@roland-alpha.cisco.com>
Date:	Tue, 25 May 2010 09:55:47 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	Eli Cohen <eli@...lanox.co.il>
Cc:	davem@...emloft.net, netdev@...r.kernel.org,
	Linux RDMA list <linux-rdma@...r.kernel.org>,
	yevgenyp@...lanox.co.il
Subject: Re: [PATCH] mlx4_en: show device's port used

 > Add a sysfs file under /sys/class/net/<ethx> to show the port number within the
 > device that this network interface is using. This is needed as ConnectX devices
 > have two ports and it is useful to know which port the ethernet devices uses.

How do other multi-port ethernet devices handle this?  Seems that the
cleanest way to handle this would be to add a place for drivers to set
the port number, and export it to userspace in generic code (so everyone
does it the same way).
-- 
Roland Dreier <rolandd@...co.com> || For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/index.html
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