netdev - Re: [PATCH wpan-next v3 2/4] net: ieee802154: Add support for inter PAN management

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Message-ID: <CAK-6q+jAhikJq5tp-DRx1C_7ka5M4w6EKUB_cUdagSSwP5Tk_A@mail.gmail.com>
Date:   Sat, 25 Jun 2022 22:29:08 -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 - ML <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>,
        Network Development <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>,
        Thomas Petazzoni <thomas.petazzoni@...tlin.com>
Subject: Re: [PATCH wpan-next v3 2/4] net: ieee802154: Add support for inter
 PAN management

Hi,

On Mon, Jun 20, 2022 at 10:26 AM Miquel Raynal
<miquel.raynal@...tlin.com> wrote:
>
> Let's introduce the basics for defining PANs:
> - structures defining a PAN
> - helpers for PAN registration
> - helpers discarding old PANs
>

I think the whole pan management can/should be stored in user space by
a daemon running in background. This can be a network manager as it
listens to netlink events as "detect PAN xy" and stores it and offers
it in their list to associate with it.

We need somewhere to draw a line and I guess the line is "Is this
information used e.g. as any lookup or something in the hot path", I
don't see this currently...

- Alex