Re: 6lowpan with external radio

[Alexander Aring <alex.aring@gmail.com>]

Hi,

On Thu, Nov 06, 2014 at 06:00:49PM +0100, Henning Rogge wrote:
> On Thu, Nov 6, 2014 at 5:54 PM, Alexander Aring <alex.aring@gmail.com> wrote:
> > Hi,
> >
> > On Thu, Nov 06, 2014 at 05:33:51PM +0100, Henning Rogge wrote:
> >> I had a look at the fakelb driver,
> >>
> >> if I understand it right it just "connect" the raw-frame side of
> >> multiple 6lowpan interfaces with each other, right? So it might be
> >> part of the solution...
> >>
> >> the other part should be similar to the tun.c driver... unfortunately
> >> the tun driver got quite complex from what I can see.
> >>
> >
> > do you use a 802.15.4 radio? Then maybe the serial driver is something
> > like that what you searching for.
> 
> No, its not a 802.15.4 radio... its mostly layer 1 and some "listen
> before talk/ALOHA" media access. I can send it raw frames (with a few
> header fields) and get everything the radio receives via serial port.
> 
> A friend of mine suggested looking into 6lowpan instead of writing my
> own fragmentation/IP-compression/... scheme. The radio is very slow,
> so I need something efficient.
> 

don't know how you can run 6LoWPAN on it. There exist 802.15.4 6LoWPAN
[0] and BTLE 6LoWPAN [1]. You need many L2 informations at 6LoWPAN level
for exmaple running IPv6 compression mechanism.

- Alex

[0] https://tools.ietf.org/html/rfc4944 - also see 6282 and 6775
[1] http://tools.ietf.org/html/draft-ietf-6lo-btle-03 (hope this is the newest one)