Thomas Gleixner | 2874c5f | 2019-05-27 08:55:01 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
Arnaldo Carvalho de Melo | c752f07 | 2005-08-09 20:08:28 -0700 | [diff] [blame] | 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. |
Arnaldo Carvalho de Melo | c752f07 | 2005-08-09 20:08:28 -0700 | [diff] [blame] | 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 */ |
Eric Dumazet | 10feb42 | 2015-03-12 16:44:04 -0700 | [diff] [blame] | 24 | TCP_NEW_SYN_RECV, |
Arnaldo Carvalho de Melo | c752f07 | 2005-08-09 20:08:28 -0700 | [diff] [blame] | 25 | |
| 26 | TCP_MAX_STATES /* Leave at the end! */ |
| 27 | }; |
| 28 | |
| 29 | #define TCP_STATE_MASK 0xF |
| 30 | |
Yafang Shao | a823fed | 2018-02-20 21:28:31 +0800 | [diff] [blame] | 31 | #define TCP_ACTION_FIN (1 << TCP_CLOSE) |
Arnaldo Carvalho de Melo | 2271281 | 2005-12-13 23:25:56 -0800 | [diff] [blame] | 32 | |
| 33 | enum { |
Yafang Shao | a823fed | 2018-02-20 21:28:31 +0800 | [diff] [blame] | 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), |
Arnaldo Carvalho de Melo | 2271281 | 2005-12-13 23:25:56 -0800 | [diff] [blame] | 46 | }; |
| 47 | |
Arnaldo Carvalho de Melo | c752f07 | 2005-08-09 20:08:28 -0700 | [diff] [blame] | 48 | #endif /* _LINUX_TCP_STATES_H */ |