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?
 
> Regards
> 
> Marcel
> 
> 
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Regards,
Zhenhua