netdev - Re: [PATCH V4 net-next 7/8] net: hns3: Add Ethtool support to HNS3 driver

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Date:   Sun, 23 Jul 2017 10:26:01 -0700
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Salil Mehta <salil.mehta@...wei.com>
Cc:     <davem@...emloft.net>, <yisen.zhuang@...wei.com>,
        <huangdaode@...ilicon.com>, <lipeng321@...wei.com>,
        <mehta.salil.lnk@...il.com>, <netdev@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-rdma@...r.kernel.org>,
        <linuxarm@...wei.com>
Subject: Re: [PATCH V4 net-next 7/8] net: hns3: Add Ethtool support to HNS3
 driver

On Sat, 22 Jul 2017 23:09:41 +0100
Salil Mehta <salil.mehta@...wei.com> wrote:

> +	HNS3_NETDEV_STAT("rx_packets", rx_packets),
> +	HNS3_NETDEV_STAT("tx_packets", tx_packets),
> +	HNS3_NETDEV_STAT("rx_bytes", rx_bytes),
> +	HNS3_NETDEV_STAT("tx_bytes", tx_bytes),
> +	HNS3_NETDEV_STAT("rx_errors", rx_errors),
> +	HNS3_NETDEV_STAT("tx_errors", tx_errors),
> +	HNS3_NETDEV_STAT("rx_dropped", rx_dropped),
> +	HNS3_NETDEV_STAT("tx_dropped", tx_dropped),
> +	HNS3_NETDEV_STAT("multicast", multicast),
> +	HNS3_NETDEV_STAT("collisions", collisions),
> +
> +	/* detailed Rx errors */

Do not put network statistics in ethtool statistics.
This is redundant and unnecessary. Yes some other drivers may do it
but it is not best practice.