Re: [lwip-users] [Issue] TCP fragmentation over PPP - fragments are lost in LwIP if data is queued for sending

[Marco Jakobs]

Hi Simon,

>> debug the pcb to see how many segments are in unsent/unacked of the 
>> pcb sending to PPP
> Where would be the best place to do that?

>I'm not sure I understand. At your PC, in a debugger, probably?

Yeah, sure :-))

Sorry, I meant the best place to put the breakpoint here ;-)

I'll try in the pppifOutput ...


>> Not sure where and why ... that's not modified and PPP runs in it's own 
>> thread ...

>How would PPP do that in vanilla lwIP 1.4.1? Only the input escaping can be 
>done in a separate thread, the rest should run in tcpip_thread. If you changed 
>that --> >threading issues (+ not vanilla 1.4.1 any more...)

No changes, it runs in the tcpip_thread!