1 /* SPDX-License-Identifier: GPL-2.0-or-later * <<
2 /* 1 /*
3 * INET An implementation of the TCP/I 2 * INET An implementation of the TCP/IP protocol suite for the LINUX
4 * operating system. INET is imp 3 * operating system. INET is implemented using the BSD Socket
5 * interface as the means of comm 4 * interface as the means of communication with the user level.
6 * 5 *
7 * Definitions for the TCP protoc 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.
8 */ 12 */
9 #ifndef _LINUX_TCP_STATES_H 13 #ifndef _LINUX_TCP_STATES_H
10 #define _LINUX_TCP_STATES_H 14 #define _LINUX_TCP_STATES_H
11 15
12 enum { 16 enum {
13 TCP_ESTABLISHED = 1, 17 TCP_ESTABLISHED = 1,
14 TCP_SYN_SENT, 18 TCP_SYN_SENT,
15 TCP_SYN_RECV, 19 TCP_SYN_RECV,
16 TCP_FIN_WAIT1, 20 TCP_FIN_WAIT1,
17 TCP_FIN_WAIT2, 21 TCP_FIN_WAIT2,
18 TCP_TIME_WAIT, 22 TCP_TIME_WAIT,
19 TCP_CLOSE, 23 TCP_CLOSE,
20 TCP_CLOSE_WAIT, 24 TCP_CLOSE_WAIT,
21 TCP_LAST_ACK, 25 TCP_LAST_ACK,
22 TCP_LISTEN, 26 TCP_LISTEN,
23 TCP_CLOSING, /* Now a valid state * 27 TCP_CLOSING, /* Now a valid state */
24 TCP_NEW_SYN_RECV, 28 TCP_NEW_SYN_RECV,
25 TCP_BOUND_INACTIVE, /* Pseudo-state fo <<
26 29
27 TCP_MAX_STATES /* Leave at the end! * 30 TCP_MAX_STATES /* Leave at the end! */
28 }; 31 };
29 32
30 #define TCP_STATE_MASK 0xF 33 #define TCP_STATE_MASK 0xF
31 34
32 #define TCP_ACTION_FIN (1 << TCP_CLOSE) !! 35 #define TCP_ACTION_FIN (1 << 7)
33 36
34 enum { 37 enum {
35 TCPF_ESTABLISHED = (1 << TCP_ESTABLISH !! 38 TCPF_ESTABLISHED = (1 << 1),
36 TCPF_SYN_SENT = (1 << TCP_SYN_SENT) !! 39 TCPF_SYN_SENT = (1 << 2),
37 TCPF_SYN_RECV = (1 << TCP_SYN_RECV) !! 40 TCPF_SYN_RECV = (1 << 3),
38 TCPF_FIN_WAIT1 = (1 << TCP_FIN_WAIT1 !! 41 TCPF_FIN_WAIT1 = (1 << 4),
39 TCPF_FIN_WAIT2 = (1 << TCP_FIN_WAIT2 !! 42 TCPF_FIN_WAIT2 = (1 << 5),
40 TCPF_TIME_WAIT = (1 << TCP_TIME_WAIT !! 43 TCPF_TIME_WAIT = (1 << 6),
41 TCPF_CLOSE = (1 << TCP_CLOSE), !! 44 TCPF_CLOSE = (1 << 7),
42 TCPF_CLOSE_WAIT = (1 << TCP_CLOSE_WAI !! 45 TCPF_CLOSE_WAIT = (1 << 8),
43 TCPF_LAST_ACK = (1 << TCP_LAST_ACK) !! 46 TCPF_LAST_ACK = (1 << 9),
44 TCPF_LISTEN = (1 << TCP_LISTEN), !! 47 TCPF_LISTEN = (1 << 10),
45 TCPF_CLOSING = (1 << TCP_CLOSING), !! 48 TCPF_CLOSING = (1 << 11),
46 TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_ !! 49 TCPF_NEW_SYN_RECV = (1 << 12),
47 TCPF_BOUND_INACTIVE = (1 << TCP_BOUND_ <<
48 }; 50 };
49 51
50 #endif /* _LINUX_TCP_STATES_H */ 52 #endif /* _LINUX_TCP_STATES_H */
51 53
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