[net2-wg] Fwd: [6lowpan] 6lowpan implementation for TinyOS 2.0

[Philip Levis]

Begin forwarded message:

> From: Matus Harvan <m.harvan at jacobs-university.de>
> Date: May 23, 2007 2:26:47 PM PDT
> To: Philip Levis <pal at cs.stanford.edu>
> Cc: 6lowpan at ietf.org
> Subject: Re: [6lowpan] 6lowpan implementation for TinyOS 2.0
>
> On Wed, May 23, 2007 at 12:33:49PM -0700, Philip Levis wrote:
>> Have you taken a look at TEP 125? Jonathan Hui, David Moss, and I
>> proposed introducing a new frame format for TinyOS (the I-Frame)  
>> which
>> would allow it to exist along side a 6lowpan network without causing
>> packet confusion.
>
> Yes, TEP 125 promises the implementation of an I-Frame to show up soon
> in tinyos-2.x/tos/chips/cc2420. I was hoping that this would allow  
> me to
> use the whole 802.15.4 payload once it shows up without having to  
> change
> things in tinyos-2.x/tos/chips/cc2420 or at least minimize the  
> necessary
> changes. Hence, I have not tried to implement something myself.
>
>> To some degree, we were waiting for a solid 6lowpan
>> implementation before pushing this forward. The 2.0.2 release is  
>> slated
>> for early July.
>
> If an I-Frame implementation would make it easier to get rid of the AM
> Type field I'm happy to use it. I also have not optimized my  
> buffers and
> structures heavily, but it may be then possible to directly embed
> something like a message_t in lowpan_pkt_t and use it instead of a
> uint8_t[102]. lowpan_pkt_t is a struct I am using to represent a  
> packet.
>
> Matus