linux-kernel - Re: [PATCH v3 net-next 4/9] sunvnet: add driver stats for ethtool support

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Message-ID: <20170210162208.69485824@xeon-e3>
Date:   Fri, 10 Feb 2017 16:22:08 -0800
From:   Stephen Hemminger <stephen@...workplumber.org>
To:     Shannon Nelson <shannon.nelson@...cle.com>
Cc:     netdev@...r.kernel.org, davem@...emloft.net,
        sparclinux@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 net-next 4/9] sunvnet: add driver stats for ethtool
 support

On Fri, 10 Feb 2017 09:38:20 -0800
Shannon Nelson <shannon.nelson@...cle.com> wrote:

> +static void vsw_get_ethtool_stats(struct net_device *dev,
> +				  struct ethtool_stats *estats, u64 *data)
> +{
> +	int i = 0;
> +
> +	data[i++] = dev->stats.rx_packets;
> +	data[i++] = dev->stats.tx_packets;
> +	data[i++] = dev->stats.rx_bytes;
> +	data[i++] = dev->stats.tx_bytes;
> +	data[i++] = dev->stats.rx_errors;
> +	data[i++] = dev->stats.tx_errors;
> +	data[i++] = dev->stats.rx_dropped;
> +	data[i++] = dev->stats.tx_dropped;
> +	data[i++] = dev->stats.multicast;

Please do not duplicate regular network statistics into ethtool.
This doesn't really add any value.