"include/net/tcp_states.h"

  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
 29         TCP_MAX_STATES  /* Leave at the end! */
 30 };
 31
 32 #define TCP_STATE_MASK  0xF
 33

 35
 36 enum {
 37         TCPF_ESTABLISHED = (1 << 1),
 38         TCPF_SYN_SENT    = (1 << 2),
 39         TCPF_SYN_RECV    = (1 << 3),
 40         TCPF_FIN_WAIT1   = (1 << 4),
 41         TCPF_FIN_WAIT2   = (1 << 5),
 42         TCPF_TIME_WAIT   = (1 << 6),
 43         TCPF_CLOSE       = (1 << 7),
 44         TCPF_CLOSE_WAIT  = (1 << 8),
 45         TCPF_LAST_ACK    = (1 << 9),
 46         TCPF_LISTEN      = (1 << 10),
 47         TCPF_CLOSING     = (1 << 11)
 48 };






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