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From: Eli Cohen <eli@dev.mellanox.co.il>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Eli Cohen <eli@mellanox.co.il>,
	davem@davemloft.net, netdev@vger.kernel.org,
	linux-rdma@vger.kernel.org, rdreier@cisco.com,
	yevgenyp@mellanox.co.il
Subject: Re: [PATCH] net/core: use net_device dev_id to indicate port number
Date: Wed, 26 May 2010 18:27:30 +0300	[thread overview]
Message-ID: <20100526152730.GA10890@mtldesk030.lab.mtl.com> (raw)
In-Reply-To: <20100526082306.25959fb6@nehalam>

On Wed, May 26, 2010 at 08:23:06AM -0700, Stephen Hemminger wrote:
> On Wed, 26 May 2010 12:52:00 +0300
> Eli Cohen <eli@mellanox.co.il> wrote:
> 
> > Today, there are no means to know which port of a hardware device a netdev
> > interface uses. struct net_device conatins a field, dev_id, that can be used
> > for that. This patch adds a new macro, SET_NETDEV_DEV_ID(), to provide a
> > standard way to set the value of this field.
> > Also also make use of this feature in the mlx4_en driver to set the port
> > number; port numbers are zero based.
> 
> Why is a macro wrapper needed?
> 

I guess for the same reason we use SET_NETDEV_DEV - to provide a
consistent interface for setting this value...

  reply	other threads:[~2010-05-26 15:27 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-26  9:52 [PATCH] net/core: use net_device dev_id to indicate port number Eli Cohen
     [not found] ` <20100526095200.GA7370-8YAHvHwT2UEvbXDkjdHOrw/a8Rv0c6iv@public.gmane.org>
2010-05-26 15:23   ` Stephen Hemminger
2010-05-26 15:27     ` Eli Cohen [this message]
2010-05-26 15:33       ` Stephen Hemminger
2010-05-26 16:09         ` Eli Cohen

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