linux-kernel - Re: [patch net] net: fec: cache statistics while device is down

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Message-ID: <bd33a3da-ae19-151a-6616-dde242f25320@cogentembedded.com>
Date:   Tue, 29 Nov 2016 08:43:17 +0300
From:   Nikita Yushchenko <nikita.yoush@...entembedded.com>
To:     Andy Duan <fugang.duan@....com>,
        "David S. Miller" <davem@...emloft.net>,
        Troy Kisky <troy.kisky@...ndarydevices.com>,
        Andrew Lunn <andrew@...n.ch>, Eric Nelson <eric@...int.com>,
        Philippe Reynes <tremyfr@...il.com>,
        Johannes Berg <johannes@...solutions.net>,
        "netdev@...r.kernel.org" <netdev@...r.kernel.org>
Cc:     Chris Healy <cphealy@...il.com>,
        Fabio Estevam <fabio.estevam@....com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [patch net] net: fec: cache statistics while device is down

>  >
>  >+	fec_enet_update_ethtool_stats(ndev);
>  >+
> If user never open the interface, ethtool_stats[] always is 0 that are not expected.
> So, it also should be called at . fec_enet_init() ?

I don't think that zero stats is wrong for never-opened interface.

However a call at init path won't hurt, so I'll add it, just to clear
the question.

Nikita