eigrpd.h

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * EIGRP main header.
 * Copyright (C) 2013-2014
 * Authors:
 *   Donnie Savage
 *   Jan Janovic
 *   Matej Perina
 *   Peter Orsag
 *   Peter Paluch
 *
 */

#ifndef _ZEBRA_EIGRPD_H
#define _ZEBRA_EIGRPD_H

#include <zebra.h>

#include "frrevent.h"
#include "filter.h"
#include "log.h"
#include "memory.h"

DECLARE_MGROUP(EIGRPD);

// everyone needs these - include then here once and for all
#include "eigrpd/eigrp_const.h"
#include "eigrpd/eigrp_types.h"
#include "eigrpd/eigrp_macros.h"

/* Set EIGRP version is "classic" - wide metrics comes next */
#define EIGRP_MAJOR_VERSION 1
#define EIGRP_MINOR_VERSION 2

#define EIGRP_TLV_32B_VERSION 1 // Original 32bit scaled metrics
#define EIGRP_TLV_64B_VERSION 2 // Current 64bit 'wide' metrics
#define EIGRP_TLV_MTR_VERSION 3 // MTR TLVs with 32bit metric *Not Supported
#define EIGRP_TLV_SAF_VERSION 4 // SAF TLVs with 64bit metric *Not Supported

/* EIGRPD system wide configuration and variables. */
typedef struct eigrpd {
	/* EIGRP instance. */
	struct list *eigrp;

	/* EIGRP parent event. */
	struct event_loop *event;

	/* Zebra interface list. */
	struct list *iflist;

	/* EIGRP start time. */
	time_t start_time;

	/* Various EIGRP global configuration. */
	uint8_t options;

#define EIGRPD_SHUTDOWN (1 << 0) /* deferred-shutdown */
} eigrpd_t;

/* Extern variables. */
extern struct zclient *zclient;
extern struct event_loop *eigrpd_event;
extern struct eigrpd *eigrp_om;
extern struct zebra_privs_t eigrpd_privs;

/* Prototypes */
extern void eigrp_init(void);
extern void eigrp_terminate(void);
extern void eigrp_finish(eigrp_instance_t *);
extern void eigrp_finish_final(eigrp_instance_t *);

extern eigrp_instance_t *eigrp_get(uint16_t as, vrf_id_t vrf_id);
extern eigrp_instance_t *eigrp_lookup(vrf_id_t vrf_id);

extern void eigrp_router_id_update(eigrp_instance_t *);

#endif /* _ZEBRA_EIGRPD_H */