tcp_states.h 1.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051
  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. enum {
  16. TCP_ESTABLISHED = 1,
  17. TCP_SYN_SENT,
  18. TCP_SYN_RECV,
  19. TCP_FIN_WAIT1,
  20. TCP_FIN_WAIT2,
  21. TCP_TIME_WAIT,
  22. TCP_CLOSE,
  23. TCP_CLOSE_WAIT,
  24. TCP_LAST_ACK,
  25. TCP_LISTEN,
  26. TCP_CLOSING, /* Now a valid state */
  27. TCP_MAX_STATES /* Leave at the end! */
  28. };
  29. #define TCP_STATE_MASK 0xF
  30. #define TCP_ACTION_FIN (1 << 7)
  31. enum {
  32. TCPF_ESTABLISHED = (1 << 1),
  33. TCPF_SYN_SENT = (1 << 2),
  34. TCPF_SYN_RECV = (1 << 3),
  35. TCPF_FIN_WAIT1 = (1 << 4),
  36. TCPF_FIN_WAIT2 = (1 << 5),
  37. TCPF_TIME_WAIT = (1 << 6),
  38. TCPF_CLOSE = (1 << 7),
  39. TCPF_CLOSE_WAIT = (1 << 8),
  40. TCPF_LAST_ACK = (1 << 9),
  41. TCPF_LISTEN = (1 << 10),
  42. TCPF_CLOSING = (1 << 11)
  43. };
  44. #endif /* _LINUX_TCP_STATES_H */