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// SPDX-License-Identifier: GPL-2.0-or-later
/*
* IS-IS Rout(e)ing protocol - isis_csm.h
* IS-IS circuit state machine
*
* Copyright (C) 2001,2002 Sampo Saaristo
* Tampere University of Technology
* Institute of Communications Engineering
*
*/
#ifndef _ZEBRA_ISIS_CSM_H
#define _ZEBRA_ISIS_CSM_H
/*
* Circuit states
*/
enum isis_circuit_state {
C_STATE_NA,
C_STATE_INIT, /* Connected to interface */
C_STATE_CONF, /* Configured for ISIS */
C_STATE_UP, /* CONN | CONF */
};
/*
* Circuit events
*/
enum isis_circuit_event {
ISIS_ENABLE = 1,
IF_UP_FROM_Z,
ISIS_DISABLE,
IF_DOWN_FROM_Z,
};
struct isis_circuit *isis_csm_state_change(enum isis_circuit_event event,
struct isis_circuit *circuit,
void *arg);
#endif /* _ZEBRA_ISIS_CSM_H */
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