isis_csm.h 1.5 KB

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  1. /*
  2. * IS-IS Rout(e)ing protocol - isis_csm.h
  3. * IS-IS circuit state machine
  4. *
  5. * Copyright (C) 2001,2002 Sampo Saaristo
  6. * Tampere University of Technology
  7. * Institute of Communications Engineering
  8. *
  9. *
  10. * This program is free software; you can redistribute it and/or modify it
  11. * under the terms of the GNU General Public Licenseas published by the Free
  12. * Software Foundation; either version 2 of the License, or (at your option)
  13. * any later version.
  14. *
  15. * This program is distributed in the hope that it will be useful,but WITHOUT
  16. * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  17. * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
  18. * more details.
  19. * You should have received a copy of the GNU General Public License along
  20. * with this program; if not, write to the Free Software Foundation, Inc.,
  21. * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  22. */
  23. #ifndef _ZEBRA_ISIS_CSM_H
  24. #define _ZEBRA_ISIS_CSM_H
  25. /*
  26. * Circuit states
  27. */
  28. #define C_STATE_NA 0
  29. #define C_STATE_INIT 1 /* Connected to interface */
  30. #define C_STATE_CONF 2 /* Configured for ISIS */
  31. #define C_STATE_UP 3 /* CONN | CONF */
  32. /*
  33. * Circuit events
  34. */
  35. #define ISIS_ENABLE 1
  36. #define IF_UP_FROM_Z 2
  37. #define ISIS_DISABLE 3
  38. #define IF_DOWN_FROM_Z 4
  39. struct isis_circuit *isis_csm_state_change (int event,
  40. struct isis_circuit *circuit,
  41. void *arg);
  42. #endif /* _ZEBRA_ISIS_CSM_H */