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, <<
25 TCP_BOUND_INACTIVE, /* Pseudo-state fo <<
26 28
27 TCP_MAX_STATES /* Leave at the end! * 29 TCP_MAX_STATES /* Leave at the end! */
28 }; 30 };
29 31
30 #define TCP_STATE_MASK 0xF 32 #define TCP_STATE_MASK 0xF
31 33
32 #define TCP_ACTION_FIN (1 << TCP_CLOSE) !! 34 #define TCP_ACTION_FIN (1 << 7)
33 35
34 enum { 36 enum {
35 TCPF_ESTABLISHED = (1 << TCP_ESTABLISH !! 37 TCPF_ESTABLISHED = (1 << 1),
36 TCPF_SYN_SENT = (1 << TCP_SYN_SENT) !! 38 TCPF_SYN_SENT = (1 << 2),
37 TCPF_SYN_RECV = (1 << TCP_SYN_RECV) !! 39 TCPF_SYN_RECV = (1 << 3),
38 TCPF_FIN_WAIT1 = (1 << TCP_FIN_WAIT1 !! 40 TCPF_FIN_WAIT1 = (1 << 4),
39 TCPF_FIN_WAIT2 = (1 << TCP_FIN_WAIT2 !! 41 TCPF_FIN_WAIT2 = (1 << 5),
40 TCPF_TIME_WAIT = (1 << TCP_TIME_WAIT !! 42 TCPF_TIME_WAIT = (1 << 6),
41 TCPF_CLOSE = (1 << TCP_CLOSE), !! 43 TCPF_CLOSE = (1 << 7),
42 TCPF_CLOSE_WAIT = (1 << TCP_CLOSE_WAI !! 44 TCPF_CLOSE_WAIT = (1 << 8),
43 TCPF_LAST_ACK = (1 << TCP_LAST_ACK) !! 45 TCPF_LAST_ACK = (1 << 9),
44 TCPF_LISTEN = (1 << TCP_LISTEN), !! 46 TCPF_LISTEN = (1 << 10),
45 TCPF_CLOSING = (1 << TCP_CLOSING), !! 47 TCPF_CLOSING = (1 << 11)
46 TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_ <<
47 TCPF_BOUND_INACTIVE = (1 << TCP_BOUND_ <<
48 }; 48 };
49 49
50 #endif /* _LINUX_TCP_STATES_H */ 50 #endif /* _LINUX_TCP_STATES_H */
51 51
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