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/*
 * IS-IS Rout(e)ing protocol               - isis_route.h
 *
 * Copyright (C) 2001,2002   Sampo Saaristo
 *                           Tampere University of Technology
 *                           Institute of Communications Engineering
 *
 *                                         based on ../ospf6d/ospf6_route.[ch]
 *                                         by Yasuhiro Ohara
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public Licenseas published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 *
 * This program is distributed in the hope that it will be useful,but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
 * more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; see the file COPYING; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
 */
#ifndef _ZEBRA_ISIS_ROUTE_H
#define _ZEBRA_ISIS_ROUTE_H

struct isis_nexthop6 {
	ifindex_t ifindex;
	struct in6_addr ip6;
	struct in6_addr router_address6;
	unsigned int lock;
};

struct isis_nexthop {
	ifindex_t ifindex;
	struct in_addr ip;
	struct in_addr router_address;
	unsigned int lock;
};

struct isis_route_info {
#define ISIS_ROUTE_FLAG_ACTIVE       0x01  /* active route for the prefix */
#define ISIS_ROUTE_FLAG_ZEBRA_SYNCED 0x02  /* set when route synced to zebra */
#define ISIS_ROUTE_FLAG_ZEBRA_RESYNC 0x04  /* set when route needs to sync */
	u_char flag;
	u_int32_t cost;
	u_int32_t depth;
	struct list *nexthops;
	struct list *nexthops6;
};

struct isis_route_info *isis_route_create(struct prefix *prefix, u_int32_t cost,
					  u_int32_t depth,
					  struct list *adjacencies,
					  struct isis_area *area, int level);

void isis_route_validate(struct isis_area *area);
void isis_route_invalidate_table(struct isis_area *area,
				 struct route_table *table);
void isis_route_invalidate(struct isis_area *area);

#endif /* _ZEBRA_ISIS_ROUTE_H */