linux-kernel - Re: [RFC net-next 00/15] net: A socket API for LoRa

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Message-ID: <20180809152134.gcql2lsh4sigx3hg@x220t>
Date:   Thu, 9 Aug 2018 11:21:34 -0400
From:   Alexander Aring <aring@...atatu.com>
To:     Jian-Hong Pan <starnight@...cu.edu.tw>
Cc:     Alan Cox <gnomes@...rguk.ukuu.org.uk>,
        Andreas Färber <afaerber@...e.de>,
        netdev@...r.kernel.org,
        "<linux-arm-kernel@...ts.infradead.org\\" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org>," <linux-kernel@...r.kernel.org>,
        Jiri Pirko <jiri@...nulli.us>,
        Marcel Holtmann <marcel@...tmann.org>,
        "David S. Miller" <davem@...emloft.net>,
        Matthias Brugger <mbrugger@...e.com>,
        Janus Piwek <jpiwek@...oweurope.com>,
        Michael Röder <michael.roeder@...et.eu>,
        Dollar Chen <dollar.chen@...ec.com>,
        Ken Yu <ken.yu@...wireless.com>,
        Konstantin Böhm <konstantin.boehm@...ud.de>,
        Jan Jongboom <jan.jongboom@....com>,
        Jon Ortego <Jon.Ortego@...t.de>,
        "linux-kernel@...r.kernel.org>," <contact@...otlab.com>,
        Ben Whitten <ben.whitten@...rdtech.com>,
        Brian Ray <brian.ray@...k-labs.com>, lora@...balsat.com.tw,
        Alexander Graf <agraf@...e.de>,
        Michal Kubeček <mkubecek@...e.cz>,
        Rob Herring <robh@...nel.org>, devicetree@...r.kernel.org,
        Steve deRosier <derosier@...il.com>,
        Mark Brown <broonie@...nel.org>, linux-spi@...r.kernel.org,
        pieter.robyns@...sselt.be, Hasnain Virk <Hasnain.Virk@....com>,
        linux-wpan - ML <linux-wpan@...r.kernel.org>,
        Stefan Schmidt <stefan@...enfreihafen.org>,
        Daniele Comel <dcomel@...ot.com>, shess@...sware.de,
        Xue Liu <liuxuenetmail@...il.com>
Subject: Re: [RFC net-next 00/15] net: A socket API for LoRa

Hi,

On Thu, Aug 09, 2018 at 11:02:45PM +0800, Jian-Hong Pan wrote:
...
> 
> For LoRaWAN, it is a star topology.
> 

In sense of 6LoWPAN that means "border router" in the middle which runs
radvd on it and sending RA messages. Then doing a route (or even allow nd
proxy) between capable $IPv6 (ethernet?) and LoRa 6LoWPAN interface.

All others listen for RA messages with PIO and doing autoconfiguration.
(In 6LoWPAN you would also pass a 6CO option to compress the PIO
prefix, which would make sense to fully elide all IP addresses in the
header).

- Alex