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2 * Copyright (C) 2001 Yasuhiro Ohara
4 * This file is part of GNU Zebra.
6 * GNU Zebra is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License as published by the
8 * Free Software Foundation; either version 2, or (at your option) any
11 * GNU Zebra is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
16 * You should have received a copy of the GNU General Public License along
17 * with this program; see the file COPYING; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
24 /* for struct ospf6_prefix */
25 #include "ospf6_proto.h"
26 /* for struct ospf6_lsa */
27 #include "ospf6_lsa.h"
28 /* for struct ospf6_route */
29 #include "ospf6_route.h"
32 extern unsigned char conf_debug_ospf6_asbr
;
33 #define OSPF6_DEBUG_ASBR_ON() (conf_debug_ospf6_asbr = 1)
34 #define OSPF6_DEBUG_ASBR_OFF() (conf_debug_ospf6_asbr = 0)
35 #define IS_OSPF6_DEBUG_ASBR (conf_debug_ospf6_asbr)
37 struct ospf6_external_info
{
38 /* External route type */
41 /* Originating Link State ID */
44 struct in6_addr forwarding
;
52 #define OSPF6_AS_EXTERNAL_LSA_MIN_SIZE 4U /* w/o IPv6 prefix */
53 struct ospf6_as_external_lsa
{
56 struct ospf6_prefix prefix
;
57 /* followed by none or one forwarding address */
58 /* followed by none or one external route tag */
59 /* followed by none or one referenced LS-ID */
62 #define OSPF6_ASBR_BIT_T ntohl (0x01000000)
63 #define OSPF6_ASBR_BIT_F ntohl (0x02000000)
64 #define OSPF6_ASBR_BIT_E ntohl (0x04000000)
66 #define OSPF6_ASBR_METRIC(E) (ntohl ((E)->bits_metric & htonl (0x00ffffff)))
67 #define OSPF6_ASBR_METRIC_SET(E, C) \
69 (E)->bits_metric &= htonl(0xff000000); \
70 (E)->bits_metric |= htonl(0x00ffffff) & htonl(C); \
73 extern void ospf6_asbr_lsa_add(struct ospf6_lsa
*lsa
);
75 extern void ospf6_asbr_lsa_remove(struct ospf6_lsa
*lsa
,
76 struct ospf6_route
*asbr_entry
);
77 extern void ospf6_asbr_lsentry_add(struct ospf6_route
*asbr_entry
,
79 extern void ospf6_asbr_lsentry_remove(struct ospf6_route
*asbr_entry
,
82 extern int ospf6_asbr_is_asbr(struct ospf6
*o
);
83 extern void ospf6_asbr_redistribute_add(int type
, ifindex_t ifindex
,
84 struct prefix
*prefix
,
85 unsigned int nexthop_num
,
86 struct in6_addr
*nexthop
,
87 route_tag_t tag
, struct ospf6
*ospf6
);
88 extern void ospf6_asbr_redistribute_remove(int type
, ifindex_t ifindex
,
89 struct prefix
*prefix
,
92 extern int ospf6_redistribute_config_write(struct vty
*vty
,
95 extern void ospf6_asbr_init(void);
96 extern void ospf6_asbr_redistribute_reset(struct ospf6
*ospf6
);
97 extern void ospf6_asbr_terminate(void);
98 extern void ospf6_asbr_send_externals_to_area(struct ospf6_area
*);
99 extern void ospf6_asbr_remove_externals_from_area(struct ospf6_area
*oa
);
101 extern int config_write_ospf6_debug_asbr(struct vty
*vty
);
102 extern int ospf6_distribute_config_write(struct vty
*vty
, struct ospf6
*ospf6
);
103 extern void install_element_ospf6_debug_asbr(void);
104 extern void ospf6_asbr_update_route_ecmp_path(struct ospf6_route
*old
,
105 struct ospf6_route
*route
,
106 struct ospf6
*ospf6
);
107 extern void ospf6_asbr_distribute_list_update(int type
, struct ospf6
*ospf6
);
108 struct ospf6_redist
*ospf6_redist_lookup(struct ospf6
*ospf6
, int type
,
109 unsigned short instance
);
110 extern void ospf6_asbr_routemap_update(const char *mapname
);
111 extern void ospf6_as_external_lsa_originate(struct ospf6_route
*route
,
112 struct ospf6
*ospf6
);
113 extern void ospf6_asbr_status_update(struct ospf6
*ospf6
, int status
);
115 #endif /* OSPF6_ASBR_H */