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718e3744 | 1 | /* |
508e53e2 | 2 | * Copyright (C) 2003 Yasuhiro Ohara |
718e3744 | 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_INTRA_H | |
23 | #define OSPF6_INTRA_H | |
24 | ||
508e53e2 | 25 | /* Router-LSA */ |
26 | struct ospf6_router_lsa | |
27 | { | |
28 | u_char bits; | |
29 | u_char options[3]; | |
30 | /* followed by ospf6_router_lsdesc(s) */ | |
31 | }; | |
32 | ||
33 | /* Link State Description in Router-LSA */ | |
34 | struct ospf6_router_lsdesc | |
35 | { | |
36 | u_char type; | |
37 | u_char reserved; | |
38 | u_int16_t metric; /* output cost */ | |
39 | u_int32_t interface_id; | |
40 | u_int32_t neighbor_interface_id; | |
41 | u_int32_t neighbor_router_id; | |
42 | }; | |
43 | ||
44 | #define OSPF6_ROUTER_LSDESC_POINTTOPOINT 1 | |
45 | #define OSPF6_ROUTER_LSDESC_TRANSIT_NETWORK 2 | |
46 | #define OSPF6_ROUTER_LSDESC_STUB_NETWORK 3 | |
47 | #define OSPF6_ROUTER_LSDESC_VIRTUAL_LINK 4 | |
48 | ||
49 | #define ROUTER_LSDESC_IS_TYPE(t,x) \ | |
50 | ((((struct ospf6_router_lsdesc *)(x))->type == \ | |
51 | OSPF6_ROUTER_LSDESC_ ## t) ? 1 : 0) | |
52 | #define ROUTER_LSDESC_GET_METRIC(x) \ | |
53 | (ntohs (((struct ospf6_router_lsdesc *)(x))->metric)) | |
54 | #define ROUTER_LSDESC_GET_IFID(x) \ | |
55 | (ntohl (((struct ospf6_router_lsdesc *)(x))->interface_id)) | |
56 | #define ROUTER_LSDESC_GET_NBR_IFID(x) \ | |
57 | (ntohl (((struct ospf6_router_lsdesc *)(x))->neighbor_interface_id)) | |
58 | #define ROUTER_LSDESC_GET_NBR_ROUTERID(x) \ | |
59 | (((struct ospf6_router_lsdesc *)(x))->neighbor_router_id) | |
60 | ||
61 | /* Network-LSA */ | |
62 | struct ospf6_network_lsa | |
63 | { | |
64 | u_char reserved; | |
65 | u_char options[3]; | |
66 | /* followed by ospf6_netowrk_lsd(s) */ | |
67 | }; | |
68 | ||
69 | /* Link State Description in Router-LSA */ | |
70 | struct ospf6_network_lsdesc | |
71 | { | |
72 | u_int32_t router_id; | |
73 | }; | |
74 | #define NETWORK_LSDESC_GET_NBR_ROUTERID(x) \ | |
75 | (((struct ospf6_network_lsdesc *)(x))->router_id) | |
76 | ||
77 | /* Link-LSA */ | |
78 | struct ospf6_link_lsa | |
79 | { | |
80 | u_char priority; | |
81 | u_char options[3]; | |
82 | struct in6_addr linklocal_addr; | |
83 | u_int32_t prefix_num; | |
84 | /* followed by ospf6 prefix(es) */ | |
85 | }; | |
86 | ||
87 | /* Intra-Area-Prefix-LSA */ | |
88 | struct ospf6_intra_prefix_lsa | |
89 | { | |
90 | u_int16_t prefix_num; | |
91 | u_int16_t ref_type; | |
92 | u_int32_t ref_id; | |
93 | u_int32_t ref_adv_router; | |
94 | /* followed by ospf6 prefix(es) */ | |
95 | }; | |
96 | ||
97 | \f | |
98 | #define OSPF6_ROUTER_LSA_SCHEDULE(oa) \ | |
99 | do { \ | |
100 | if (! (oa)->thread_router_lsa) \ | |
101 | (oa)->thread_router_lsa = \ | |
102 | thread_add_event (master, ospf6_router_lsa_originate, oa, 0); \ | |
103 | } while (0) | |
104 | #define OSPF6_NETWORK_LSA_SCHEDULE(oi) \ | |
105 | do { \ | |
106 | if (! (oi)->thread_network_lsa) \ | |
107 | (oi)->thread_network_lsa = \ | |
108 | thread_add_event (master, ospf6_network_lsa_originate, oi, 0); \ | |
109 | } while (0) | |
110 | #define OSPF6_LINK_LSA_SCHEDULE(oi) \ | |
111 | do { \ | |
112 | if (! (oi)->thread_link_lsa) \ | |
113 | (oi)->thread_link_lsa = \ | |
114 | thread_add_event (master, ospf6_link_lsa_originate, oi, 0); \ | |
115 | } while (0) | |
116 | #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_STUB(oa) \ | |
117 | do { \ | |
118 | if (! (oa)->thread_intra_prefix_lsa) \ | |
119 | (oa)->thread_intra_prefix_lsa = \ | |
120 | thread_add_event (master, ospf6_intra_prefix_lsa_originate_stub, \ | |
121 | oa, 0); \ | |
122 | } while (0) | |
123 | #define OSPF6_INTRA_PREFIX_LSA_SCHEDULE_TRANSIT(oi) \ | |
124 | do { \ | |
125 | if (! (oi)->thread_intra_prefix_lsa) \ | |
126 | (oi)->thread_intra_prefix_lsa = \ | |
127 | thread_add_event (master, ospf6_intra_prefix_lsa_originate_transit, \ | |
128 | oi, 0); \ | |
129 | } while (0) | |
130 | ||
131 | /* Function Prototypes */ | |
132 | char *ospf6_router_lsdesc_lookup (u_char type, u_int32_t interface_id, | |
133 | u_int32_t neighbor_interface_id, | |
134 | u_int32_t neighbor_router_id, | |
135 | struct ospf6_lsa *lsa); | |
136 | char *ospf6_network_lsdesc_lookup (u_int32_t router_id, | |
137 | struct ospf6_lsa *lsa); | |
138 | ||
139 | int ospf6_router_lsa_originate (struct thread *); | |
140 | int ospf6_network_lsa_originate (struct thread *); | |
141 | int ospf6_link_lsa_originate (struct thread *); | |
142 | int ospf6_intra_prefix_lsa_originate_transit (struct thread *); | |
143 | int ospf6_intra_prefix_lsa_originate_stub (struct thread *); | |
144 | void ospf6_intra_prefix_lsa_add (struct ospf6_lsa *lsa); | |
145 | void ospf6_intra_prefix_lsa_remove (struct ospf6_lsa *lsa); | |
146 | ||
147 | void ospf6_intra_route_calculation (struct ospf6_area *oa); | |
148 | void ospf6_intra_asbr_calculation (struct ospf6_area *oa); | |
718e3744 | 149 | |
150 | void ospf6_intra_init (); | |
151 | ||
508e53e2 | 152 | #endif /* OSPF6_LSA_H */ |
718e3744 | 153 |