root/include/net/tcp_states.h

INCLUDED FROM

/*
 * INET         An implementation of the TCP/IP protocol suite for the LINUX
 *              operating system.  INET is implemented using the  BSD Socket
 *              interface as the means of communication with the user level.
 *
 *              Definitions for the TCP protocol sk_state field.
 *
 *              This program is free software; you can redistribute it and/or
 *              modify it under the terms of the GNU General Public License
 *              as published by the Free Software Foundation; either version
 *              2 of the License, or (at your option) any later version.
 */
#ifndef _LINUX_TCP_STATES_H
#define _LINUX_TCP_STATES_H

enum {
        TCP_ESTABLISHED = 1,
        TCP_SYN_SENT,
        TCP_SYN_RECV,
        TCP_FIN_WAIT1,
        TCP_FIN_WAIT2,
        TCP_TIME_WAIT,
        TCP_CLOSE,
        TCP_CLOSE_WAIT,
        TCP_LAST_ACK,
        TCP_LISTEN,
        TCP_CLOSING,    /* Now a valid state */

        TCP_MAX_STATES  /* Leave at the end! */
};

#define TCP_STATE_MASK  0xF

#define TCP_ACTION_FIN  (1 << 7)

enum {
        TCPF_ESTABLISHED = (1 << 1),
        TCPF_SYN_SENT    = (1 << 2),
        TCPF_SYN_RECV    = (1 << 3),
        TCPF_FIN_WAIT1   = (1 << 4),
        TCPF_FIN_WAIT2   = (1 << 5),
        TCPF_TIME_WAIT   = (1 << 6),
        TCPF_CLOSE       = (1 << 7),
        TCPF_CLOSE_WAIT  = (1 << 8),
        TCPF_LAST_ACK    = (1 << 9),
        TCPF_LISTEN      = (1 << 10),
        TCPF_CLOSING     = (1 << 11) 
};

#endif  /* _LINUX_TCP_STATES_H */