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1 | /* | |
2 | * Copyright (C) 2001 Yasuhiro Ohara | |
3 | * | |
4 | * This file is part of GNU Zebra. | |
5 | * | |
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 | |
9 | * later version. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with GNU Zebra; see the file COPYING. If not, write to the | |
18 | * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
19 | * Boston, MA 02111-1307, USA. | |
20 | */ | |
21 | ||
22 | #ifndef OSPF6_ASBR_H | |
23 | #define OSPF6_ASBR_H | |
24 | ||
25 | /* for struct ospf6_prefix */ | |
26 | #include "ospf6_proto.h" | |
27 | /* for struct ospf6_lsa */ | |
28 | #include "ospf6_lsa.h" | |
29 | /* for struct ospf6_route */ | |
30 | #include "ospf6_route.h" | |
31 | ||
32 | /* Debug option */ | |
33 | extern unsigned char conf_debug_ospf6_asbr; | |
34 | #define OSPF6_DEBUG_ASBR_ON() \ | |
35 | (conf_debug_ospf6_asbr = 1) | |
36 | #define OSPF6_DEBUG_ASBR_OFF() \ | |
37 | (conf_debug_ospf6_asbr = 0) | |
38 | #define IS_OSPF6_DEBUG_ASBR \ | |
39 | (conf_debug_ospf6_asbr) | |
40 | ||
41 | struct ospf6_external_info | |
42 | { | |
43 | /* External route type */ | |
44 | int type; | |
45 | ||
46 | /* Originating Link State ID */ | |
47 | u_int32_t id; | |
48 | ||
49 | struct in6_addr forwarding; | |
50 | /* u_int32_t tag; */ | |
51 | ||
52 | ifindex_t ifindex; | |
53 | }; | |
54 | ||
55 | /* AS-External-LSA */ | |
56 | #define OSPF6_AS_EXTERNAL_LSA_MIN_SIZE 4U /* w/o IPv6 prefix */ | |
57 | struct ospf6_as_external_lsa | |
58 | { | |
59 | u_int32_t bits_metric; | |
60 | ||
61 | struct ospf6_prefix prefix; | |
62 | /* followed by none or one forwarding address */ | |
63 | /* followed by none or one external route tag */ | |
64 | /* followed by none or one referenced LS-ID */ | |
65 | }; | |
66 | ||
67 | #define OSPF6_ASBR_BIT_T ntohl (0x01000000) | |
68 | #define OSPF6_ASBR_BIT_F ntohl (0x02000000) | |
69 | #define OSPF6_ASBR_BIT_E ntohl (0x04000000) | |
70 | ||
71 | #define OSPF6_ASBR_METRIC(E) (ntohl ((E)->bits_metric & htonl (0x00ffffff))) | |
72 | #define OSPF6_ASBR_METRIC_SET(E,C) \ | |
73 | { (E)->bits_metric &= htonl (0xff000000); \ | |
74 | (E)->bits_metric |= htonl (0x00ffffff) & htonl (C); } | |
75 | ||
76 | extern void ospf6_asbr_lsa_add (struct ospf6_lsa *lsa); | |
77 | extern void ospf6_asbr_lsa_remove (struct ospf6_lsa *lsa); | |
78 | extern void ospf6_asbr_lsentry_add (struct ospf6_route *asbr_entry); | |
79 | extern void ospf6_asbr_lsentry_remove (struct ospf6_route *asbr_entry); | |
80 | ||
81 | extern int ospf6_asbr_is_asbr (struct ospf6 *o); | |
82 | extern void ospf6_asbr_redistribute_add (int type, ifindex_t ifindex, | |
83 | struct prefix *prefix, | |
84 | u_int nexthop_num, | |
85 | struct in6_addr *nexthop); | |
86 | extern void ospf6_asbr_redistribute_remove (int type, ifindex_t ifindex, | |
87 | struct prefix *prefix); | |
88 | ||
89 | extern int ospf6_redistribute_config_write (struct vty *vty); | |
90 | ||
91 | extern void ospf6_asbr_init (void); | |
92 | extern void ospf6_asbr_redistribute_reset (void); | |
93 | extern void ospf6_asbr_terminate (void); | |
94 | extern void ospf6_asbr_send_externals_to_area (struct ospf6_area *); | |
95 | ||
96 | extern int config_write_ospf6_debug_asbr (struct vty *vty); | |
97 | extern void install_element_ospf6_debug_asbr (void); | |
98 | ||
99 | #endif /* OSPF6_ASBR_H */ |