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/*
* Copyright (C) 2004 Yasuhiro Ohara
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2, or (at your option) any
* later version.
*
* GNU Zebra 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 OSPF6_ABR_H
#define OSPF6_ABR_H
/* for struct ospf6_route */
#include "ospf6_route.h"
/* for struct ospf6_prefix */
#include "ospf6_proto.h"
/* Debug option */
extern unsigned char conf_debug_ospf6_abr;
#define OSPF6_DEBUG_ABR_ON() (conf_debug_ospf6_abr = 1)
#define OSPF6_DEBUG_ABR_OFF() (conf_debug_ospf6_abr = 0)
#define IS_OSPF6_DEBUG_ABR (conf_debug_ospf6_abr)
/* Inter-Area-Prefix-LSA */
#define OSPF6_INTER_PREFIX_LSA_MIN_SIZE 4U /* w/o IPv6 prefix */
struct ospf6_inter_prefix_lsa {
u_int32_t metric;
struct ospf6_prefix prefix;
};
/* Inter-Area-Router-LSA */
#define OSPF6_INTER_ROUTER_LSA_FIX_SIZE 12U
struct ospf6_inter_router_lsa {
u_char mbz;
u_char options[3];
u_int32_t metric;
u_int32_t router_id;
};
#define OSPF6_ABR_SUMMARY_METRIC(E) (ntohl ((E)->metric & htonl (0x00ffffff)))
#define OSPF6_ABR_SUMMARY_METRIC_SET(E, C) \
{ \
(E)->metric &= htonl(0x00000000); \
(E)->metric |= htonl(0x00ffffff) & htonl(C); \
}
#define OSPF6_ABR_RANGE_CLEAR_COST(range) (range->path.cost = OSPF_AREA_RANGE_COST_UNSPEC)
extern int ospf6_is_router_abr(struct ospf6 *o);
extern void ospf6_abr_enable_area(struct ospf6_area *oa);
extern void ospf6_abr_disable_area(struct ospf6_area *oa);
extern int ospf6_abr_originate_summary_to_area(struct ospf6_route *route,
struct ospf6_area *area);
extern void ospf6_abr_originate_summary(struct ospf6_route *route);
extern void ospf6_abr_examin_summary(struct ospf6_lsa *lsa,
struct ospf6_area *oa);
extern void ospf6_abr_defaults_to_stub(struct ospf6 *);
extern void ospf6_abr_examin_brouter(u_int32_t router_id);
extern void ospf6_abr_reimport(struct ospf6_area *oa);
extern void ospf6_abr_range_reset_cost(struct ospf6 *ospf6);
extern void ospf6_abr_prefix_resummarize(struct ospf6 *ospf6);
extern int config_write_ospf6_debug_abr(struct vty *vty);
extern void install_element_ospf6_debug_abr(void);
extern int ospf6_abr_config_write(struct vty *vty);
extern void ospf6_abr_init(void);
#endif /*OSPF6_ABR_H*/
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