netdev - Re: [PATCH wpan-next v2 0/3] IEEE 802.15.4: Add coordinator interfaces

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Message-ID: <CAK-6q+jXPyruvdtS3jgzkuH=f599EiPk7vWTWLhREFCMj5ayNg@mail.gmail.com>
Date:   Sun, 30 Oct 2022 22:20:03 -0400
From:   Alexander Aring <aahringo@...hat.com>
To:     Miquel Raynal <miquel.raynal@...tlin.com>
Cc:     Alexander Aring <alex.aring@...il.com>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        linux-wpan@...r.kernel.org,
        "David S. Miller" <davem@...emloft.net>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        Eric Dumazet <edumazet@...gle.com>, netdev@...r.kernel.org,
        David Girault <david.girault@...vo.com>,
        Romuald Despres <romuald.despres@...vo.com>,
        Frederic Blain <frederic.blain@...vo.com>,
        Nicolas Schodet <nico@...fr.eu.org>,
        Guilhem Imberton <guilhem.imberton@...vo.com>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH wpan-next v2 0/3] IEEE 802.15.4: Add coordinator interfaces

Hi,

On Wed, Oct 26, 2022 at 5:35 AM Miquel Raynal <miquel.raynal@...tlin.com> 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 <aahringo@...hat.com>

Thanks.

- Alex