Hi,
Replying to myself again. I made some tests, using only Link-Local
addresses this time. Ping worked just fine (between two Linux host and
between a Contiki mote and a Linux host). I did not test other transport
protocols, as they should not be affected by the patchset anyway.
Regards,
Tony
Le 2013-04-11 22:26, Tony Cheneau a écrit :
> Hi,
>
> Replying to myself. Christophe's email made me realize that I use
> additional Link-Local addresses that are not obtained through SLAAC.
> This means that my test between the two Linux hosts are completely
> useless (as it might have not made any use of your new code). I'll
> perform some additional tests tonight and let you know the outcome.
> The test I performed with Contiki stands, because it verifies that a
> Linux host can understand a compressed header sent from a
> Contiki-enabled mote.
>
> As a side note, I read RFC 4944 and RFC 6282 (this is what you
> implemented actually) and I'd say the current code pretty much follow
> the standard. I'm not too sure it would work well with short
> addresses,
> but that not part of your patch anyway. The whole address
> uncompression
> would need to be rewritten IMHO (and I believe Alexander Arig is on
> it).
>
> Regards,
> Tony
>
> Le 2013-04-11 15:57, Tony Cheneau a écrit :
>> Hi Ralph,
>>
>> First, thank you for your patches. I've tested them yesterday.
>> Because
>> I didn't had enough hardware to perform a proper packet capture, so
>> I
>> just checked the connectivity.
>>
>> I could run all my regression tests (ICMP, TCP, UDP, varying packet
>> length) between two linux hosts with your patches applied. They all
>> passed and looked fine.
>>
>> I could also do basic interrop with Contiki (yeah!). Using one linux
>> host with your patches, I could ping a Contiki device on its
>> Link-Local
>> Address (I could not ping the global address though, but I guess
>> it's
>> not supposed to be fixed by this patch, and I'll need to look more
>> into
>> it). I did not modify the Contiki example much, so I could not check
>> that UDP/TCP would work as well (those are done using the global
>> addresses by default). Still, I can also confirm that without the
>> patches, the ping echo requests are just not answered.
>>
>> From a functional perspective, your patches look fine. I didn't
>> checked
>> that your patches are good from a logical point of view (making sure
>> they indeed match the RFC better). I'll try to read both RFC 4944
>> and
>> RFC 6282 today, and provide additional comments.
>>
>> Regards,
>> Tony
>>
>>
>> Le 2013-04-11 13:51, Ralph Droms a écrit :
>>> These patches fix link-local address uncompression, for both source
>>> and destination addresses.
>>>
>>> - Ralph
>>>
>>> Ralph Droms (3):
>>> net/ieee802154: 6lowpan.c: Fixes for stateless address
>>> decompression
>>> to use MAC address
>>> net/ieee802154: 6lowpan.c: This patch fixes source address
>>> uncompression to send the MAC address to lowpan_uncompress_addr
>>> net/ieee802154: 6lowpan.c: This patch fixes destination address
>>> uncompression to send the MAC address to lowpan_uncompress_addr
>>>
>>> net/ieee802154/6lowpan.c | 53
>>> +++--
>>> 1 files changed, 32 insertions(+), 21 deletions(-)
>>
>>
>>
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>
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