Re: [lwip-users] NO_SYS, TCP/IP and sockets

[Simon Goldschmidt]

Fabian Cenedese wrote:
> >No. It's in the nature of BSD-alike socket APIs that they run
> "sequential". lwIP needs a dedicated thread to handle incoming packets and 
> timers.
> 
> I thought this would also be done from the polling thread.


>From which polling thread? I don't think I understand that...


> How should it be done now? Should my interrupt handler call
> myethif_input (which calls low_level_input) and give the received
> data to netif->input (which is tcpip_input)?


Yes. Your ethernet RX interrupt can allocate PBUF_POOL pbufs in the ISR and 
call netif->input() (as long as that is tcpip_input). Everything is thread-safe 
in this way (as long as you have set up SYS_LIGHTWEITH_PROT correctly).


Simon