1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 4 *		operating system.  INET is implemented using the  BSD Socket
 5 *		interface as the means of communication with the user level.
 6 *
 7 *		Definitions for the TCP protocol sk_state field.
 
 
 
 
 
 8 */
 9#ifndef _LINUX_TCP_STATES_H
10#define _LINUX_TCP_STATES_H
11
12enum {
13	TCP_ESTABLISHED = 1,
14	TCP_SYN_SENT,
15	TCP_SYN_RECV,
16	TCP_FIN_WAIT1,
17	TCP_FIN_WAIT2,
18	TCP_TIME_WAIT,
19	TCP_CLOSE,
20	TCP_CLOSE_WAIT,
21	TCP_LAST_ACK,
22	TCP_LISTEN,
23	TCP_CLOSING,	/* Now a valid state */
24	TCP_NEW_SYN_RECV,
25	TCP_BOUND_INACTIVE, /* Pseudo-state for inet_diag */
26
27	TCP_MAX_STATES	/* Leave at the end! */
28};
29
30#define TCP_STATE_MASK	0xF
31
32#define TCP_ACTION_FIN	(1 << TCP_CLOSE)
33
34enum {
35	TCPF_ESTABLISHED = (1 << TCP_ESTABLISHED),
36	TCPF_SYN_SENT	 = (1 << TCP_SYN_SENT),
37	TCPF_SYN_RECV	 = (1 << TCP_SYN_RECV),
38	TCPF_FIN_WAIT1	 = (1 << TCP_FIN_WAIT1),
39	TCPF_FIN_WAIT2	 = (1 << TCP_FIN_WAIT2),
40	TCPF_TIME_WAIT	 = (1 << TCP_TIME_WAIT),
41	TCPF_CLOSE	 = (1 << TCP_CLOSE),
42	TCPF_CLOSE_WAIT	 = (1 << TCP_CLOSE_WAIT),
43	TCPF_LAST_ACK	 = (1 << TCP_LAST_ACK),
44	TCPF_LISTEN	 = (1 << TCP_LISTEN),
45	TCPF_CLOSING	 = (1 << TCP_CLOSING),
46	TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_RECV),
47	TCPF_BOUND_INACTIVE = (1 << TCP_BOUND_INACTIVE),
48};
49
50#endif	/* _LINUX_TCP_STATES_H */

 
 1/*
 2 * INET		An implementation of the TCP/IP protocol suite for the LINUX
 3 *		operating system.  INET is implemented using the  BSD Socket
 4 *		interface as the means of communication with the user level.
 5 *
 6 *		Definitions for the TCP protocol sk_state field.
 7 *
 8 *		This program is free software; you can redistribute it and/or
 9 *		modify it under the terms of the GNU General Public License
10 *		as published by the Free Software Foundation; either version
11 *		2 of the License, or (at your option) any later version.
12 */
13#ifndef _LINUX_TCP_STATES_H
14#define _LINUX_TCP_STATES_H
15
16enum {
17	TCP_ESTABLISHED = 1,
18	TCP_SYN_SENT,
19	TCP_SYN_RECV,
20	TCP_FIN_WAIT1,
21	TCP_FIN_WAIT2,
22	TCP_TIME_WAIT,
23	TCP_CLOSE,
24	TCP_CLOSE_WAIT,
25	TCP_LAST_ACK,
26	TCP_LISTEN,
27	TCP_CLOSING,	/* Now a valid state */
28	TCP_NEW_SYN_RECV,
 
29
30	TCP_MAX_STATES	/* Leave at the end! */
31};
32
33#define TCP_STATE_MASK	0xF
34
35#define TCP_ACTION_FIN	(1 << TCP_CLOSE)
36
37enum {
38	TCPF_ESTABLISHED = (1 << TCP_ESTABLISHED),
39	TCPF_SYN_SENT	 = (1 << TCP_SYN_SENT),
40	TCPF_SYN_RECV	 = (1 << TCP_SYN_RECV),
41	TCPF_FIN_WAIT1	 = (1 << TCP_FIN_WAIT1),
42	TCPF_FIN_WAIT2	 = (1 << TCP_FIN_WAIT2),
43	TCPF_TIME_WAIT	 = (1 << TCP_TIME_WAIT),
44	TCPF_CLOSE	 = (1 << TCP_CLOSE),
45	TCPF_CLOSE_WAIT	 = (1 << TCP_CLOSE_WAIT),
46	TCPF_LAST_ACK	 = (1 << TCP_LAST_ACK),
47	TCPF_LISTEN	 = (1 << TCP_LISTEN),
48	TCPF_CLOSING	 = (1 << TCP_CLOSING),
49	TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_RECV),
 
50};
51
52#endif	/* _LINUX_TCP_STATES_H */