On Jul 12, 2013, at 7:11 AM 7/12/13, Alexander Aring <alex.ar...@gmail.com> 
wrote:

> Hi Ralph,
> 
> On Fri, Jul 12, 2013 at 11:00:56AM +0000, Ralph Droms (rdroms) wrote:
>> 
>> 
>> On Jul 12, 2013, at 6:37 AM, "Alexander Aring" <alex.ar...@gmail.com> wrote:
>> 
>>> Hi Ralph and Werner,
>>> 
>>> On Thu, Jul 11, 2013 at 02:55:49PM +0000, Ralph Droms (rdroms) wrote:
>>>> 
>>>> On Jul 8, 2013, at 1:24 PM 7/8/13, Werner Almesberger 
>>>> <wer...@almesberger.net> wrote:
>>>> 
>>>>> Ralph Droms wrote:
>>>>>> These patches fix link-local address uncompression, for both source
>>>>>> and destination addresses.
>>>>> 
>>>>> I ran into this too (when trying to ping Contiki). Tony then pointed
>>>>> out on IRC that you had once done something about this issue but the
>>>>> patches never made it upstream.
>>>>> 
>>>>> What's the status of your patches ? Do you plan to submit them to
>>>>> net-next ?
>>>> 
>>>> For a variety of reasons, I've had to abandon my work on the Linux 
>>>> IPv6-over-IEEE802.15.4 code.
>>>> 
>>>> I came close to formatting the patches for submission, but didn't finish 
>>>> up the details.
>>>> 
>>>> I'm willing to make my code available in its current form, if that would 
>>>> be useful.  I haven't been paying close attention but I think there may be 
>>>> others working on the same issue.
>>> 
>>> There is currenly also a know problem with the payload calculation in
>>> fragmented/defragmented part. Do you have patches for this, too?
>> 
>> I discovered a problem with the fragment offset calculation.  According to 
>> RFC 4944, the offset should represent the location of the fragment in the 
>> original data gram, while the code computed the location after header 
>> compression.
>> 
>>> 
>>> It's nice to know who work on which problem, so I don't need to need to
>>> work on this if someone have a fix for this already.
>> 
>> I wrote code to fix this problem, but abandoned the effort before submitting 
>> an official patch.  I can make the code available if someone wants to pick 
>> up the work.
>> 
> 
> Yeah, that would be great :-). Thanks.

OK, let me see what I can resurrect.  It's been a while ... I think most of the 
changes were in 6lowpan.c.

- Ralph

> 
> I have some patches for small issues, like commenting. I will send it on
> this list, too. If all seems to be ok, then we can send it to netdev ml.
> 
> Regards
> Alex


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