linux-kernel - Re: [PATCH V3] netxen: fix ethtool rx_dropped information in ethtool get_ethtool

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Message-Id: <20140720.205830.595868255699983537.davem@davemloft.net>
Date:	Sun, 20 Jul 2014 20:58:30 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	ethan.zhao@...cle.com
Cc:	manish.chopra@...gic.com, sony.chacko@...gic.com,
	rajesh.borundia@...gic.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, ethan.kernel@...il.com
Subject: Re: [PATCH V3] netxen: fix ethtool rx_dropped information in
 ethtool get_ethtool_stats()

From: Ethan Zhao <ethan.zhao@...cle.com>
Date: Fri, 18 Jul 2014 11:43:29 +0800

> netxen driver has implemented netxen_nic_get_ethtool_stats() interface,
> but it doesn't collect stats.rxdropped in driver, so we will get
> different rx_dropped statistic information while using ifconfig and ethtool.
> this patch fills stats.rxdropped field with data from net core
> with dev_get_stats() just as ixgbe driver did for some of its stats.
> 
> Tested with last netxen 4.0.82
> Compiled with stable 3.15.6
> 
> Signed-off-by: Ethan Zhao <ethan.zhao@...cle.com>
> Tested-by: Sriharsha Yadagudde <sriharsha.devdas@...cle.com>

ethtool stats are _NOT_ the place to duplicate normal netdev stats,
PERIOD.

The only exception is when you maintainer per-queue instaces of these
stats, and want to export that information to the user.

I'm not applying this, sorry.
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