TCPF_TIME_WAIT
return (1 << sk->sk_state) & ~(TCPF_TIME_WAIT | TCPF_NEW_SYN_RECV);
(TCPF_LISTEN | TCPF_NEW_SYN_RECV | TCPF_TIME_WAIT);
if ((1 << state) & ~(TCPF_TIME_WAIT |
(TCPF_SYN_SENT | TCPF_SYN_RECV | TCPF_TIME_WAIT | TCPF_CLOSE | TCPF_LISTEN));