netdev - Re: [PATCH v4 net-next 04/12] net: ethtool: netlink: retrieve stats from multiple sources (eMAC, pMAC)

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Message-ID: <CANn89i+-Vp3Za=T8kgU6o_RuQHoT7sC=-i_EZCHcsUoJKqeG9g@mail.gmail.com>
Date:   Tue, 24 Jan 2023 07:20:20 +0100
From:   Eric Dumazet <edumazet@...gle.com>
To:     Vladimir Oltean <vladimir.oltean@....com>
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Michal Kubecek <mkubecek@...e.cz>,
        Claudiu Manoil <claudiu.manoil@....com>,
        Vinicius Costa Gomes <vinicius.gomes@...el.com>,
        Xiaoliang Yang <xiaoliang.yang_1@....com>,
        Kurt Kanzenbach <kurt@...utronix.de>,
        Rui Sousa <rui.sousa@....com>,
        Ferenc Fejes <ferenc.fejes@...csson.com>,
        Pranavi Somisetty <pranavi.somisetty@....com>,
        Harini Katakam <harini.katakam@....com>,
        Colin Foster <colin.foster@...advantage.com>,
        UNGLinuxDriver@...rochip.com,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Andrew Lunn <andrew@...n.ch>,
        Florian Fainelli <f.fainelli@...il.com>
Subject: Re: [PATCH v4 net-next 04/12] net: ethtool: netlink: retrieve stats
 from multiple sources (eMAC, pMAC)

On Thu, Jan 19, 2023 at 1:27 PM Vladimir Oltean <vladimir.oltean@....com> wrote:
>

...

>  static int pause_prepare_data(const struct ethnl_req_info *req_base,
>                               struct ethnl_reply_data *reply_base,
>                               struct genl_info *info)
>  {
> +       const struct pause_req_info *req_info = PAUSE_REQINFO(req_base);
>         struct pause_reply_data *data = PAUSE_REPDATA(reply_base);
> +       enum ethtool_mac_stats_src src = req_info->src;
> +       struct netlink_ext_ack *extack = info->extack;

info can be NULL when called from ethnl_default_dump_one()