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Re: [Roll] rpl routing and linux-kernel

Rahul Jadhav <rahul.ietf@gmail.com> Thu, 19 July 2018 13:35 UTC

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From: Rahul Jadhav <rahul.ietf@gmail.com>
Date: Thu, 19 Jul 2018 09:35:44 -0400
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To: Routing Over Low power and Lossy networks <roll@ietf.org>
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Subject: Re: [Roll] rpl routing and linux-kernel
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Thanks Michael for the pointers. Will followup on linux-wpan@vger.kernel.org

On Wed, 18 Jul 2018 at 22:20, Michael Richardson <mcr+ietf@sandelman.ca> wrote:
>
>
> Hi, I'm not sure that the ROLL list is a good place for Linux-specific
> implementation questions.  In particular, it seems that most implementers are
> on monolithic embedded kernels (contiki, openwsn, etc.)
>
> There are discussions on unstrung-workers@lists.sandelman.ca about Linux
> kernel integration (none recently through).
>
> Discussions also occur on linux-wpan@vger.kernel.org.
> It would be a good place to start a new thread.
>
> Rahul Jadhav <rahul.ietf@gmail.com> wrote:
>     > Hello ROLL,
>
>     > While trying to integrate RPL with linux kernel and we had certain
>     > design choices. In that context I have some specific questions,
>     > especially towards linux-kernel integration and not towards RPL
>     > protocol implementation itself. Assuming RPL implementation will be in
>     > userspace, questions are:
>
>     > 1. We can add/del routes using rtnetlink interfaces ... this can be
>     > used for the routes learnt by RPL as well ... But RPL needs to
>     > maintain some additional per-route information on the 6LBR ... To be
>     > very specific, we need to store parent information in context to every
>     > route. Is it possible to do it with rtnetlink? I didn't find an option
>     > to do that. If it ain't possible then what could be an alt approach?
>
>     > 2. RPL requires that certain extended ipv6 options be added in data
>     > flows .. What is the best way to do this? It is possible to do this
>     > with netfilter+libnfq but i m not sure whether this is the best
>     > approach.
>
>     > If there is anyone who tried this before, it would be great to have a
>     > discussion in person while we are in IETF102. Please let know if you
>     > are available for discussion.
>
>     > Thanks,
>     > Rahul
>
>     > _______________________________________________
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>     > Roll@ietf.org
>     > https://www.ietf.org/mailman/listinfo/roll
>
> --
> Michael Richardson <mcr+IETF@sandelman.ca>, Sandelman Software Works
>  -= IPv6 IoT consulting =-
>
>
>
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