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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: 
   20:  * You should have received a copy of the GNU General Public License along 
   21:  * with this program; if not, write to the Free Software Foundation, Inc., 
   22:  * 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
   23:  */
   24: #ifndef _ZEBRA_ISIS_CSM_H
   25: #define _ZEBRA_ISIS_CSM_H
   26: 
   27: /*
   28:  * Circuit states
   29:  */
   30: #define C_STATE_NA   0
   31: #define C_STATE_INIT 1		/* Connected to interface */
   32: #define C_STATE_CONF 2		/* Configured for ISIS    */
   33: #define C_STATE_UP   3		/* CONN | CONF            */
   34: 
   35: /*
   36:  * Circuit events
   37:  */
   38: #define ISIS_ENABLE    1
   39: #define IF_UP_FROM_Z   2
   40: #define ISIS_DISABLE   3
   41: #define IF_DOWN_FROM_Z 4
   42: 
   43: struct isis_circuit *isis_csm_state_change (int event,
   44: 					    struct isis_circuit *circuit,
   45: 					    void *arg);
   46: 
   47: #endif /* _ZEBRA_ISIS_CSM_H */