1 /* SPDX-License-Identifier: GPL-2.0-or-later */
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.
7 * Definitions for the TCP protocol sk_state field.
9 #ifndef _LINUX_TCP_STATES_H
10 #define _LINUX_TCP_STATES_H
23 TCP_CLOSING, /* Now a valid state */
26 TCP_MAX_STATES /* Leave at the end! */
29 #define TCP_STATE_MASK 0xF
31 #define TCP_ACTION_FIN (1 << TCP_CLOSE)
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),
48 #endif /* _LINUX_TCP_STATES_H */