2015-07-24 11:02 GMT+02:00 Baptiste Clenet <bapclenet@xxxxxxxxx>:
> 2015-07-24 10:47 GMT+02:00 Baptiste Clenet <bapclenet@xxxxxxxxx>:
>> 2015-07-24 10:31 GMT+02:00 Alexander Aring <alex.aring@xxxxxxxxx>:
>>> Hi,
>>>
>>> On Fri, Jul 24, 2015 at 09:56:49AM +0200, Baptiste Clenet wrote:
>>>> Hi,
>>>>
>>>> What is SAM value? I got "ieee802154 phy0 wpan0: SAM value 0x3 not
>>>> supported" when I receive a ping from another board.
>>>>
>>>
>>> I think you hit [0]. You got that because we received some 6LoWPAN frame
>>> with context based address compression (the source address). See also [1].
>> Yes for [0]
>>
>>>
>>> Your options are:
>>>
>>> - That the other board use stateless (means SAC = 0, see [1]) address
>>> compression.
>> How may I check?
>> They use both the same settings, they are based on the same source code.
> SAC bit is set.
0 1 2 3 4 5 6 7 8 9 0
1 2 3 4 5
+---+---+---+---+---+---+---+---+---+--- +---+---+---+---
+---+---+
| 0 | 1 | 1 | TF |NH |HLIM |CID|SAC| SAM| M |DAC| DAM |
+---+---+---+---+---+---+---+---+---+--- +---+---+---+---
+---+---+
Mine: 0 1 1 1 1 1 0 0 1 1 1 1
1 0 0 1
7bf9
Is something wrong?
>>
>>>
>>> - Implement context based address compression, there was recently a
>>> RFC patch series which implemented it. This maybe depends also for
>>> handling 6CO field correctly.
>> Could you provide a link? Is that ported to Bluetooth-next branch or Linux-4.1?
>>
>>>
>>> - Alex
>>>
>>> [0] http://lxr.free-electrons.com/source/net/6lowpan/iphc.c#L147
>>> [1] https://tools.ietf.org/html/rfc6282#section-3.1
>>
>>
>>
>> --
>> Baptiste
>
>
>
> --
> Baptiste
--
Baptiste
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