Re: About ppp_receive()

[Steven <liu-dj@neusoft.com>]

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Hi Marcel,

Steven wrote:
> Hi Marcel,
> 
> Marcel Holtmann wrote:
>> Hi Steven,
>>
>>>>>>> NO, just as the above have said ,we only negotiate two options, 
>>>>>>> it's ok
>>>>>>> for our PPP stack and it runs correctly.
>>>>>> Then I'm confused.  What is your concern here? :)
>>>>> currently, we worked on a Qualcomm CDMA chip, and it worked on a 
>>>>> Relay mode, just relay the air PPP packet to host, and in Ofono we 
>>>>> should support PFC to satisfy the spec (Sprint Spec.), But Ofono 
>>>>> does not support PFC, so comes this question.
>>>>>
>>>>>  From my personal point, Ofono should support PFC.
>>>> as you might have clearly figured from Denis and my responses, our PPP
>>>> code was designed to talk to a modem, not a network.
>>>>
>>>> We don't want to implement a full blown PPP stack with all nasty
>>>> features. If this is needed for CDMA, because they push the PPP frames
>>>> over the air, then actually getting the kernel PPP frame processing
>>>> hooked up to our LCP and IPIP userspace code is the right thing to do
>>>> here.
>>>>
>>>> At the moment we are not really putting additional energy into PPP 
>>>> since
>>>> it is a dying protocol in the GSM world. The networks never required it
>>> I got it.
>>>
>>>> and the modem hardware/firmware moves over to highspeed direct IP
>>>> interfaces.
>>> I like to know this tech, is there any spec on this topic?
>>
>> check oFono's Ericsson MBM or Option HSO support. Or Google for it.
> 
>  Thanks for your sharing. I will dig it.


This time, I'm totally understand why to implement this PPP stack in 
Ofono in GSM world.
Thanks.

Regards

Steven


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