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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 */