netdev - Re: [net-next 3/3] ixgbe: add syfs interface for to export read only driver information

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Message-Id: <20120405.184935.422690748002137749.davem@davemloft.net>
Date:	Thu, 05 Apr 2012 18:49:35 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	bhutchings@...arflare.com
Cc:	florian@...nwrt.org, jeffrey.t.kirsher@...el.com,
	donald.c.skidmore@...el.com, netdev@...r.kernel.org,
	gospo@...hat.com, sassmann@...hat.com
Subject: Re: [net-next 3/3] ixgbe: add syfs interface for to export read
 only driver information

From: Ben Hutchings <bhutchings@...arflare.com>
Date: Thu, 5 Apr 2012 17:32:05 +0100

> On Thu, 2012-04-05 at 14:19 +0200, Florian Fainelli wrote:
>> Hi,
>> 
>> Le 04/05/12 12:47, Jeff Kirsher a écrit :
>> > From: Don Skidmore<donald.c.skidmore@...el.com>
>> >
>> > This patch exports non-thermal (which was done via hwmon in an earlier
>> > patch) data to syfs.  All of the fields are read only as this interface
>> > is to only export driver data.
>> >
>> > Signed-off-by: Don Skidmore<donald.c.skidmore@...el.com>
>> > Tested-by: Stephen Ko<stephen.s.ko@...el.com>
>> > Signed-off-by: Jeff Kirsher<jeffrey.t.kirsher@...el.com>
>> > ---
>> 
>> I only looked briefly at the exported attributes, but most of them can 
>> already be queried using ethtool, can't they?
> [...]
> 
> I agree, it looks like most of these are:
> 
> (1) already exposed through ethtool commands (ETHTOOL_GSET,
> ETHTOOL_GDRVINFO, ETHTOOL_GLINK and ETHTOOL_GPERMADDR), or
> (2) already exposed through rtnetlink or the net device in sysfs, or
> (3) statistics that should be exposed through ETHTOOL_GSTATS
> 
> I imagine there are some that don't fall into those categories, but I
> don't see why they should *all* be exposed in a non-standard and/or
> redundant way.

Agreed.
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