TCP_SYNACK_NORMAL 6684 net/ipv4/tcp_input.c !want_cookie ? TCP_SYNACK_NORMAL : TCP_SYNACK_NORMAL 3290 net/ipv4/tcp_output.c case TCP_SYNACK_NORMAL: TCP_SYNACK_NORMAL 3854 net/ipv4/tcp_output.c res = af_ops->send_synack(sk, NULL, &fl, req, NULL, TCP_SYNACK_NORMAL);