Re: [lwip-devel] Question regarding calling tcp_output() from tcp_input() each time

[address@hidden]

address@hidden wrote:
> Of course that's not too good, but noone has provided a decent, working
> solution for this, yet. Feel free to provide one :-)
> One accepted improvement are "delayed ACKs" where we only send an empty
> ACK for every 2nd segment.

Thinking about that, given an embedded OS which is strictly 
priority-driven, for netconn & sockets, maybe a solution would be to 
implement netconn_tcp_recvd to update an ACKed counter and send a 
message to tcpip_thread instead of using CORE_LOCK. That way, new 
segments arriving in tcpip_thread could send the updated window as 
piggy-back to the empty ACK...

This wouldn't change anything for callback API apps though.


Simon