Hi Zhang
Zhang, Zhenhua wrote:
> Hi Marcel,
> 
> Marcel Holtmann wrote:
>> Hi Steven,
>>
>>> I have a little question just as the title said?
>>> In Ofono how to connect PPP to Linux socket, when we receive packet
>>> from network, how the packet go through the kernel to application？
>>>
>>> modem -->PPP-->? --> linux kernel(network part)--> socket -->
>>> application? 
>> it is more like this:
>>
>> modem -> TTY -> PPP -> TUN/TAP -> Kernel Net-Stack -> socket ->
>> application. 
>>
>> With the TTY being in kernel, the PPP being in userspace, and TUN/TAP
>> etc. begin in the kernel again.
>>
>> A future enhancement is to use the kernel PPP layer, but we haven't
>> gotten there yet.
> 
> I am interested to know how could we use kernel PPP layer instead of gatppp. Shall we add this item into our TODO?
>  

Maybe you can reference to RILD in Android, it used kernel PPP.

B.R

Steven

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