18c2ecf20Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-or-later */ 28c2ecf20Sopenharmony_ci/* 38c2ecf20Sopenharmony_ci * INET An implementation of the TCP/IP protocol suite for the LINUX 48c2ecf20Sopenharmony_ci * operating system. INET is implemented using the BSD Socket 58c2ecf20Sopenharmony_ci * interface as the means of communication with the user level. 68c2ecf20Sopenharmony_ci * 78c2ecf20Sopenharmony_ci * Definitions for the TCP protocol sk_state field. 88c2ecf20Sopenharmony_ci */ 98c2ecf20Sopenharmony_ci#ifndef _LINUX_TCP_STATES_H 108c2ecf20Sopenharmony_ci#define _LINUX_TCP_STATES_H 118c2ecf20Sopenharmony_ci 128c2ecf20Sopenharmony_cienum { 138c2ecf20Sopenharmony_ci TCP_ESTABLISHED = 1, 148c2ecf20Sopenharmony_ci TCP_SYN_SENT, 158c2ecf20Sopenharmony_ci TCP_SYN_RECV, 168c2ecf20Sopenharmony_ci TCP_FIN_WAIT1, 178c2ecf20Sopenharmony_ci TCP_FIN_WAIT2, 188c2ecf20Sopenharmony_ci TCP_TIME_WAIT, 198c2ecf20Sopenharmony_ci TCP_CLOSE, 208c2ecf20Sopenharmony_ci TCP_CLOSE_WAIT, 218c2ecf20Sopenharmony_ci TCP_LAST_ACK, 228c2ecf20Sopenharmony_ci TCP_LISTEN, 238c2ecf20Sopenharmony_ci TCP_CLOSING, /* Now a valid state */ 248c2ecf20Sopenharmony_ci TCP_NEW_SYN_RECV, 258c2ecf20Sopenharmony_ci 268c2ecf20Sopenharmony_ci TCP_MAX_STATES /* Leave at the end! */ 278c2ecf20Sopenharmony_ci}; 288c2ecf20Sopenharmony_ci 298c2ecf20Sopenharmony_ci#define TCP_STATE_MASK 0xF 308c2ecf20Sopenharmony_ci 318c2ecf20Sopenharmony_ci#define TCP_ACTION_FIN (1 << TCP_CLOSE) 328c2ecf20Sopenharmony_ci 338c2ecf20Sopenharmony_cienum { 348c2ecf20Sopenharmony_ci TCPF_ESTABLISHED = (1 << TCP_ESTABLISHED), 358c2ecf20Sopenharmony_ci TCPF_SYN_SENT = (1 << TCP_SYN_SENT), 368c2ecf20Sopenharmony_ci TCPF_SYN_RECV = (1 << TCP_SYN_RECV), 378c2ecf20Sopenharmony_ci TCPF_FIN_WAIT1 = (1 << TCP_FIN_WAIT1), 388c2ecf20Sopenharmony_ci TCPF_FIN_WAIT2 = (1 << TCP_FIN_WAIT2), 398c2ecf20Sopenharmony_ci TCPF_TIME_WAIT = (1 << TCP_TIME_WAIT), 408c2ecf20Sopenharmony_ci TCPF_CLOSE = (1 << TCP_CLOSE), 418c2ecf20Sopenharmony_ci TCPF_CLOSE_WAIT = (1 << TCP_CLOSE_WAIT), 428c2ecf20Sopenharmony_ci TCPF_LAST_ACK = (1 << TCP_LAST_ACK), 438c2ecf20Sopenharmony_ci TCPF_LISTEN = (1 << TCP_LISTEN), 448c2ecf20Sopenharmony_ci TCPF_CLOSING = (1 << TCP_CLOSING), 458c2ecf20Sopenharmony_ci TCPF_NEW_SYN_RECV = (1 << TCP_NEW_SYN_RECV), 468c2ecf20Sopenharmony_ci}; 478c2ecf20Sopenharmony_ci 488c2ecf20Sopenharmony_ci#endif /* _LINUX_TCP_STATES_H */ 49