1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
/*
* Copyright (C) 2003 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 GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#ifndef OSPF_AREA_H
#define OSPF_AREA_H
#include "ospf6_top.h"
struct ospf6_area
{
/* Reference to Top data structure */
struct ospf6 *ospf6;
/* Area-ID */
u_int32_t area_id;
/* Area-ID string */
char name[16];
/* flag */
u_char flag;
/* OSPF Option */
u_char options[3];
/* Summary routes to be originated (includes Configured Address Ranges) */
struct ospf6_route_table *range_table;
struct ospf6_route_table *summary_prefix;
struct ospf6_route_table *summary_router;
/* OSPF interface list */
struct list *if_list;
struct ospf6_lsdb *lsdb;
struct ospf6_lsdb *lsdb_self;
struct ospf6_route_table *spf_table;
struct ospf6_route_table *route_table;
struct thread *thread_spf_calculation;
struct thread *thread_route_calculation;
u_int32_t spf_calculation; /* SPF calculation count */
struct thread *thread_router_lsa;
struct thread *thread_intra_prefix_lsa;
u_int32_t router_lsa_size_limit;
/* Area announce list */
struct
{
char *name;
struct access_list *list;
} _export;
#define EXPORT_NAME(A) (A)->_export.name
#define EXPORT_LIST(A) (A)->_export.list
/* Area acceptance list */
struct
{
char *name;
struct access_list *list;
} import;
#define IMPORT_NAME(A) (A)->import.name
#define IMPORT_LIST(A) (A)->import.list
/* Type 3 LSA Area prefix-list */
struct
{
char *name;
struct prefix_list *list;
} plist_in;
#define PREFIX_NAME_IN(A) (A)->plist_in.name
#define PREFIX_LIST_IN(A) (A)->plist_in.list
struct
{
char *name;
struct prefix_list *list;
} plist_out;
#define PREFIX_NAME_OUT(A) (A)->plist_out.name
#define PREFIX_LIST_OUT(A) (A)->plist_out.list
};
#define OSPF6_AREA_ENABLE 0x01
#define OSPF6_AREA_ACTIVE 0x02
#define OSPF6_AREA_TRANSIT 0x04 /* TransitCapability */
#define OSPF6_AREA_STUB 0x08
#define BACKBONE_AREA_ID (htonl (0))
#define IS_AREA_BACKBONE(oa) ((oa)->area_id == BACKBONE_AREA_ID)
#define IS_AREA_ENABLED(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ENABLE))
#define IS_AREA_ACTIVE(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_ACTIVE))
#define IS_AREA_TRANSIT(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_TRANSIT))
#define IS_AREA_STUB(oa) (CHECK_FLAG ((oa)->flag, OSPF6_AREA_STUB))
/* prototypes */
extern int ospf6_area_cmp (void *va, void *vb);
extern struct ospf6_area *ospf6_area_create (u_int32_t, struct ospf6 *);
extern void ospf6_area_delete (struct ospf6_area *);
extern struct ospf6_area *ospf6_area_lookup (u_int32_t, struct ospf6 *);
extern void ospf6_area_enable (struct ospf6_area *);
extern void ospf6_area_disable (struct ospf6_area *);
extern void ospf6_area_show (struct vty *, struct ospf6_area *);
extern void ospf6_area_config_write (struct vty *vty);
extern void ospf6_area_init (void);
#endif /* OSPF_AREA_H */
|
