netdev - Re: [PATCH v5 net-next 3/3] net: mscc: ocelot: use bulk reads for stats

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Message-ID: <20220208154515.poeg7uartqkae26r@skbuf>
Date:   Tue, 8 Feb 2022 15:45:15 +0000
From:   Vladimir Oltean <vladimir.oltean@....com>
To:     Colin Foster <colin.foster@...advantage.com>
CC:     "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>,
        Jakub Kicinski <kuba@...nel.org>,
        "David S. Miller" <davem@...emloft.net>,
        "UNGLinuxDriver@...rochip.com" <UNGLinuxDriver@...rochip.com>,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Claudiu Manoil <claudiu.manoil@....com>
Subject: Re: [PATCH v5 net-next 3/3] net: mscc: ocelot: use bulk reads for
 stats

On Tue, Feb 08, 2022 at 07:41:56AM -0800, Colin Foster wrote:
> I see that now. It is confusing and I'll clear it up. I never caught
> this because I'm testing in a setup where port 0 is the CPU port, so I
> can't get ethtool stats. Thanks!

You can retrieve the stats on the CPU port, as they are appended to the
ethtool stats of the DSA master, prefixed with "p%02d_", cpu_dp->index.

ethtool -S eth0 | grep -v ': 0' # where eth0 is the DSA master