1 /* 2 * INET An implementation of the TCP/IP protocol suite for the LINUX 3 * operating system. INET is implemented using the BSD Socket 4 * interface as the means of communication with the user level. 5 * 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. 12 */ 13 #ifndef _LINUX_TCP_STATES_H 14 #define _LINUX_TCP_STATES_H 15 16 enum { 17 TCP_ESTABLISHED = 1, 18 TCP_SYN_SENT, 19 TCP_SYN_RECV, 20 TCP_FIN_WAIT1, 21 TCP_FIN_WAIT2, 22 TCP_TIME_WAIT, 23 TCP_CLOSE, 24 TCP_CLOSE_WAIT, 25 TCP_LAST_ACK, 26 TCP_LISTEN, 27 TCP_CLOSING, /* Now a valid state */ 28 TCP_NEW_SYN_RECV, 29 30 TCP_MAX_STATES /* Leave at the end! */ 31 }; 32 33 #define TCP_STATE_MASK 0xF 34 35 #define TCP_ACTION_FIN (1 << 7) 36 37 enum { 38 TCPF_ESTABLISHED = (1 << 1), 39 TCPF_SYN_SENT = (1 << 2), 40 TCPF_SYN_RECV = (1 << 3), 41 TCPF_FIN_WAIT1 = (1 << 4), 42 TCPF_FIN_WAIT2 = (1 << 5), 43 TCPF_TIME_WAIT = (1 << 6), 44 TCPF_CLOSE = (1 << 7), 45 TCPF_CLOSE_WAIT = (1 << 8), 46 TCPF_LAST_ACK = (1 << 9), 47 TCPF_LISTEN = (1 << 10), 48 TCPF_CLOSING = (1 << 11), 49 TCPF_NEW_SYN_RECV = (1 << 12), 50 }; 51 52 #endif /* _LINUX_TCP_STATES_H */ 53