netdev - Re: [PATCH net-next v4 2/5] net/lapb: support netdev events

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Message-ID: <CAJht_EONd3+S12upVPk2K3PWvzMLdE3BkzY_7c5gA493NHcGnA@mail.gmail.com>
Date:   Fri, 20 Nov 2020 15:11:08 -0800
From:   Xie He <xie.he.0141@...il.com>
To:     Martin Schiller <ms@....tdt.de>
Cc:     Andrew Hendry <andrew.hendry@...il.com>,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Linux X25 <linux-x25@...r.kernel.org>,
        Linux Kernel Network Developers <netdev@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH net-next v4 2/5] net/lapb: support netdev events

Should we also handle the NETDEV_UP event here? In previous versions
of this patch series you seemed to want to establish the L2 connection
on device-up. But in this patch, you didn't handle NETDEV_UP.

Maybe on device-up, we need to check if the carrier is up, and if it
is, we do the same thing as we do on carrier-up.