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

From: Stephen Hemminger <[email-masked]>
Date: Tue, 25 May 2010 10:12:06 -0700

On Tue, 25 May 2010 09:55:47 -0700
Roland Dreier <[email-masked]> wrote:

>  > 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).

There is a rarely used field in net_device called dev_id
that looks like it was intended for this.

-- 
--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to [email-masked]
More majordomo info at  http://vger.kernel.org/majordomo-info.html