tcp_debug_trace
tcp_debug_trace(so, tp, ostate, PRU_SEND);
tcp_debug_trace(so, tp, ostate, PRU_SEND);
tcp_debug_trace(so, tp, ostate, PRU_SENDOOB);
tcp_debug_trace(so, tp, ostate, PRU_ACCEPT);
tcp_debug_trace(so, tp, ostate, PRU_BIND);
tcp_debug_trace(so, tp, ostate, PRU_LISTEN);
tcp_debug_trace(so, tp, ostate, PRU_CONNECT);
tcp_debug_trace(so, tp, ostate, PRU_CONNECT2);
tcp_debug_trace(so, tp, ostate, PRU_DISCONNECT);
tcp_debug_trace(so, tp, ostate, PRU_SHUTDOWN);
tcp_debug_trace(so, tp, ostate, PRU_ABORT);
tcp_debug_trace(so, tp, ostate, PRU_PEERADDR);
tcp_debug_trace(so, tp, ostate, PRU_SOCKADDR);
tcp_debug_trace(so, tp, ostate, PRU_RCVD);
tcp_debug_trace(so, tp, ostate, PRU_RCVOOB);