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1 | /* | |
2 | * Copyright (C) 2003 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 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 | |
19 | */ | |
20 | ||
21 | #ifndef OSPF_AREA_H | |
22 | #define OSPF_AREA_H | |
23 | ||
24 | #include "ospf6_top.h" | |
25 | ||
26 | struct ospf6_area { | |
27 | /* Reference to Top data structure */ | |
28 | struct ospf6 *ospf6; | |
29 | ||
30 | /* Area-ID */ | |
31 | uint32_t area_id; | |
32 | ||
33 | #define OSPF6_AREA_FMT_DOTTEDQUAD 1 | |
34 | #define OSPF6_AREA_FMT_DECIMAL 2 | |
35 | /* Area-ID string */ | |
36 | char name[16]; | |
37 | ||
38 | /* flag */ | |
39 | uint8_t flag; | |
40 | ||
41 | /* OSPF Option */ | |
42 | uint8_t options[3]; | |
43 | ||
44 | /* Summary routes to be originated (includes Configured Address Ranges) | |
45 | */ | |
46 | struct ospf6_route_table *range_table; | |
47 | struct ospf6_route_table *summary_prefix; | |
48 | struct ospf6_route_table *summary_router; | |
49 | ||
50 | /* Area type */ | |
51 | int no_summary; | |
52 | ||
53 | /* Brouter traversal protection */ | |
54 | int intra_brouter_calc; | |
55 | ||
56 | /* OSPF interface list */ | |
57 | struct list *if_list; | |
58 | ||
59 | struct ospf6_lsdb *lsdb; | |
60 | struct ospf6_lsdb *lsdb_self; | |
61 | struct ospf6_lsdb *temp_router_lsa_lsdb; | |
62 | ||
63 | struct ospf6_route_table *spf_table; | |
64 | struct ospf6_route_table *route_table; | |
65 | ||
66 | uint32_t spf_calculation; /* SPF calculation count */ | |
67 | ||
68 | struct thread *thread_router_lsa; | |
69 | struct thread *thread_intra_prefix_lsa; | |
70 | uint32_t router_lsa_size_limit; | |
71 | ||
72 | /* Area announce list */ | |
73 | struct { | |
74 | char *name; | |
75 | struct access_list *list; | |
76 | } _export; | |
77 | #define EXPORT_NAME(A) (A)->_export.name | |
78 | #define EXPORT_LIST(A) (A)->_export.list | |
79 | ||
80 | /* Area acceptance list */ | |
81 | struct { | |
82 | char *name; | |
83 | struct access_list *list; | |
84 | } import; | |
85 | #define IMPORT_NAME(A) (A)->import.name | |
86 | #define IMPORT_LIST(A) (A)->import.list | |
87 | ||
88 | /* Type 3 LSA Area prefix-list */ | |
89 | struct { | |
90 | char *name; | |
91 | struct prefix_list *list; | |
92 | } plist_in; | |
93 | #define PREFIX_NAME_IN(A) (A)->plist_in.name | |
94 | #define PREFIX_LIST_IN(A) (A)->plist_in.list | |
95 | ||
96 | struct { | |
97 | char *name; | |
98 | struct prefix_list *list; | |
99 | } plist_out; | |
100 | #define PREFIX_NAME_OUT(A) (A)->plist_out.name | |
101 | #define PREFIX_LIST_OUT(A) (A)->plist_out.list | |
102 | ||
103 | /* Time stamps. */ | |
104 | struct timeval ts_spf; /* SPF calculation time stamp. */ | |
105 | ||
106 | uint32_t full_nbrs; /* Fully adjacent neighbors. */ | |
107 | uint8_t intra_prefix_originate; /* Force intra_prefix lsa originate */ | |
108 | }; | |
109 | ||
110 | #define OSPF6_AREA_ENABLE 0x01 | |
111 | #define OSPF6_AREA_ACTIVE 0x02 | |
112 | #define OSPF6_AREA_TRANSIT 0x04 /* TransitCapability */ | |
113 | #define OSPF6_AREA_STUB 0x08 | |
114 | ||
115 | #define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE)) | |
116 | #define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE)) | |
117 | #define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT)) | |
118 | #define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB)) | |
119 | ||
120 | /* prototypes */ | |
121 | extern int ospf6_area_cmp(void *va, void *vb); | |
122 | ||
123 | extern struct ospf6_area *ospf6_area_create(uint32_t, struct ospf6 *, int); | |
124 | extern void ospf6_area_delete(struct ospf6_area *); | |
125 | extern struct ospf6_area *ospf6_area_lookup(uint32_t, struct ospf6 *); | |
126 | ||
127 | extern void ospf6_area_enable(struct ospf6_area *); | |
128 | extern void ospf6_area_disable(struct ospf6_area *); | |
129 | ||
130 | extern void ospf6_area_show(struct vty *, struct ospf6_area *); | |
131 | ||
132 | extern void ospf6_area_plist_update(struct prefix_list *plist, int add); | |
133 | extern void ospf6_area_config_write(struct vty *vty); | |
134 | extern void ospf6_area_init(void); | |
135 | ||
136 | #endif /* OSPF_AREA_H */ |