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Date:   Thu, 22 Jul 2021 18:54:48 +0200
From:   Loic Poulain <>
To:     Sergey Ryazanov <>
Cc:     David Miller <>,
        Johannes Berg <>,
        Network Development <>,
Subject: Re: [PATCH] wwan: core: Fix missing RTM_NEWLINK event

On Thu, 22 Jul 2021 at 18:14, Sergey Ryazanov <> wrote:
> Hello Loic,
> On Thu, Jul 22, 2021 at 6:39 PM Loic Poulain <> wrote:
> > By default there is no rtnetlink event generated when registering a
> > netdev with rtnl_link_ops until its rtnl_link_state is switched to
> > initialized (RTNL_LINK_INITIALIZED). This causes issues with user
> > tools like NetworkManager which relies on such event to manage links.
> >
> > Fix that by setting link to initialized (via rtnl_configure_link).
> Shouldn't the __rtnl_newlink() function call rtnl_configure_link()
> just after the newlink() callback invocation? Or I missed something?

Ah right, but the first call of rtnl_configure_link() (uninitialized)
does not cause RTM_NEWLINK event (cf __dev_notify_flags). It however
seems to work for other link types (e,g, rmnet), so probably something
to clarify here.


> --
> Sergey

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