On 03.10.2018 11:25, inderjit wrote:
[..]One thing I missed was this: tcp_recved(pcb, p->tot_len); This could explain ACK was not sent.
No, ACK is sent implicitly, tcp_recved() only controls window updates. Simon _______________________________________________ lwip-users mailing list lwip-users@nongnu.org https://lists.nongnu.org/mailman/listinfo/lwip-users