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/*
* Copyright (C) 2001 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_ASBR_H
#define OSPF6_ASBR_H
/* for struct ospf6_prefix */
#include "ospf6_proto.h"
/* for struct ospf6_lsa */
#include "ospf6_lsa.h"
/* for struct ospf6_route */
#include "ospf6_route.h"
/* Debug option */
extern unsigned char conf_debug_ospf6_asbr;
#define OSPF6_DEBUG_ASBR_ON() (conf_debug_ospf6_asbr = 1)
#define OSPF6_DEBUG_ASBR_OFF() (conf_debug_ospf6_asbr = 0)
#define IS_OSPF6_DEBUG_ASBR (conf_debug_ospf6_asbr)
struct ospf6_external_info {
/* External route type */
int type;
/* Originating Link State ID */
u_int32_t id;
struct in6_addr forwarding;
route_tag_t tag;
ifindex_t ifindex;
};
/* AS-External-LSA */
#define OSPF6_AS_EXTERNAL_LSA_MIN_SIZE 4U /* w/o IPv6 prefix */
struct ospf6_as_external_lsa {
u_int32_t bits_metric;
struct ospf6_prefix prefix;
/* followed by none or one forwarding address */
/* followed by none or one external route tag */
/* followed by none or one referenced LS-ID */
};
#define OSPF6_ASBR_BIT_T ntohl (0x01000000)
#define OSPF6_ASBR_BIT_F ntohl (0x02000000)
#define OSPF6_ASBR_BIT_E ntohl (0x04000000)
#define OSPF6_ASBR_METRIC(E) (ntohl ((E)->bits_metric & htonl (0x00ffffff)))
#define OSPF6_ASBR_METRIC_SET(E, C) \
{ \
(E)->bits_metric &= htonl(0xff000000); \
(E)->bits_metric |= htonl(0x00ffffff) & htonl(C); \
}
extern void ospf6_asbr_lsa_add(struct ospf6_lsa *lsa);
extern void ospf6_asbr_lsa_remove(struct ospf6_lsa *lsa);
extern void ospf6_asbr_lsentry_add(struct ospf6_route *asbr_entry);
extern void ospf6_asbr_lsentry_remove(struct ospf6_route *asbr_entry);
extern int ospf6_asbr_is_asbr(struct ospf6 *o);
extern void ospf6_asbr_redistribute_add(int type, ifindex_t ifindex,
struct prefix *prefix,
u_int nexthop_num,
struct in6_addr *nexthop,
route_tag_t tag);
extern void ospf6_asbr_redistribute_remove(int type, ifindex_t ifindex,
struct prefix *prefix);
extern int ospf6_redistribute_config_write(struct vty *vty);
extern void ospf6_asbr_init(void);
extern void ospf6_asbr_redistribute_reset(void);
extern void ospf6_asbr_terminate(void);
extern void ospf6_asbr_send_externals_to_area(struct ospf6_area *);
extern int config_write_ospf6_debug_asbr(struct vty *vty);
extern void install_element_ospf6_debug_asbr(void);
#endif /* OSPF6_ASBR_H */
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