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Date:   Sun, 30 Oct 2022 22:20:03 -0400
From:   Alexander Aring <>
To:     Miquel Raynal <>
Cc:     Alexander Aring <>,
        Stefan Schmidt <>,,
        "David S. Miller" <>,
        Jakub Kicinski <>,
        Paolo Abeni <>,
        Eric Dumazet <>,,
        David Girault <>,
        Romuald Despres <>,
        Frederic Blain <>,
        Nicolas Schodet <>,
        Guilhem Imberton <>,
        Thomas Petazzoni <>
Subject: Re: [PATCH wpan-next v2 0/3] IEEE 802.15.4: Add coordinator interfaces


On Wed, Oct 26, 2022 at 5:35 AM Miquel Raynal <> wrote:
> Hello,
> These three patches allow the creation of coordinator interfaces, which
> were already defined without being usable. The idea behind is to use
> them advertizing PANs through the beaconing feature.

I still don't know how exactly those "leaves" and "non-leaves" are
acting here regarding the coordinator interfaces. If this is just a
bit here to set in the interface I am fine with it. But yea,
"relaying" feature is a project on its own, as we said previously.

Another mail I was asking myself what a node interface is then,
currently it is a mesh interface with none of those 802.15.4 PAN
management functionality? Or can it act also as a "leave"
coordinator... I am not sure about that.

However I think we can think about something scheduled later as we can
still decide later if we really want that "node" can do that.
Regarding to 6LoWPAN I think the current type what "node" interface is
as a just a node in a mesh is required, it might depends on if you
want routing on IP or "relaying" on MAC (mesh-over vs mesh-under), but
I never saw mesh-under in 6LoWPAN.

Acked-by: Alexander Aring <>


- Alex

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