Merge tag 'usb-6.6-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
[platform/kernel/linux-rpi.git] / include / net / tcp_states.h
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
12 enum {
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
26         TCP_MAX_STATES  /* Leave at the end! */
27 };
28
29 #define TCP_STATE_MASK  0xF
30
31 #define TCP_ACTION_FIN  (1 << TCP_CLOSE)
32
33 enum {
34         TCPF_ESTABLISHED = (1 << TCP_ESTABLISHED),
35         TCPF_SYN_SENT    = (1 << TCP_SYN_SENT),
36         TCPF_SYN_RECV    = (1 << TCP_SYN_RECV),
37         TCPF_FIN_WAIT1   = (1 << TCP_FIN_WAIT1),
38         TCPF_FIN_WAIT2   = (1 << TCP_FIN_WAIT2),
39         TCPF_TIME_WAIT   = (1 << TCP_TIME_WAIT),
40         TCPF_CLOSE       = (1 << TCP_CLOSE),
41         TCPF_CLOSE_WAIT  = (1 << TCP_CLOSE_WAIT),
42         TCPF_LAST_ACK    = (1 << TCP_LAST_ACK),
43         TCPF_LISTEN      = (1 << TCP_LISTEN),
44         TCPF_CLOSING     = (1 << TCP_CLOSING),
45         TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_RECV),
46 };
47
48 #endif  /* _LINUX_TCP_STATES_H */