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
29	TCP_MAX_STATES	/* Leave at the end! */
30};
31
32#define TCP_STATE_MASK	0xF
33
34#define TCP_ACTION_FIN	(1 << 7)
35
36enum {
37	TCPF_ESTABLISHED = (1 << 1),
38	TCPF_SYN_SENT	 = (1 << 2),
39	TCPF_SYN_RECV	 = (1 << 3),
40	TCPF_FIN_WAIT1	 = (1 << 4),
41	TCPF_FIN_WAIT2	 = (1 << 5),
42	TCPF_TIME_WAIT	 = (1 << 6),
43	TCPF_CLOSE	 = (1 << 7),
44	TCPF_CLOSE_WAIT	 = (1 << 8),
45	TCPF_LAST_ACK	 = (1 << 9),
46	TCPF_LISTEN	 = (1 << 10),
47	TCPF_CLOSING	 = (1 << 11)
48};
49
50#endif	/* _LINUX_TCP_STATES_H */
51