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
  34 #endif  /* _LINUX_TCP_STATES_H */