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049207c3 | 1 | /* |
2 | * Copyright (C) 2004 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 | * | |
896014f4 DL |
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 | |
049207c3 | 19 | */ |
20 | ||
21 | #ifndef OSPF6_ABR_H | |
22 | #define OSPF6_ABR_H | |
23 | ||
a0bf59bc DO |
24 | /* for struct ospf6_route */ |
25 | #include "ospf6_route.h" | |
1f9a9fff PJ |
26 | /* for struct ospf6_prefix */ |
27 | #include "ospf6_proto.h" | |
a0bf59bc | 28 | |
049207c3 | 29 | /* Debug option */ |
30 | extern unsigned char conf_debug_ospf6_abr; | |
d62a17ae | 31 | #define OSPF6_DEBUG_ABR_ON() (conf_debug_ospf6_abr = 1) |
32 | #define OSPF6_DEBUG_ABR_OFF() (conf_debug_ospf6_abr = 0) | |
33 | #define IS_OSPF6_DEBUG_ABR (conf_debug_ospf6_abr) | |
049207c3 | 34 | |
35 | /* Inter-Area-Prefix-LSA */ | |
abc7ef44 | 36 | #define OSPF6_INTER_PREFIX_LSA_MIN_SIZE 4U /* w/o IPv6 prefix */ |
d62a17ae | 37 | struct ospf6_inter_prefix_lsa { |
d7c0a89a | 38 | uint32_t metric; |
d62a17ae | 39 | struct ospf6_prefix prefix; |
049207c3 | 40 | }; |
41 | ||
42 | /* Inter-Area-Router-LSA */ | |
abc7ef44 | 43 | #define OSPF6_INTER_ROUTER_LSA_FIX_SIZE 12U |
d62a17ae | 44 | struct ospf6_inter_router_lsa { |
d7c0a89a QY |
45 | uint8_t mbz; |
46 | uint8_t options[3]; | |
47 | uint32_t metric; | |
48 | uint32_t router_id; | |
049207c3 | 49 | }; |
50 | ||
51 | #define OSPF6_ABR_SUMMARY_METRIC(E) (ntohl ((E)->metric & htonl (0x00ffffff))) | |
d62a17ae | 52 | #define OSPF6_ABR_SUMMARY_METRIC_SET(E, C) \ |
53 | { \ | |
54 | (E)->metric &= htonl(0x00000000); \ | |
55 | (E)->metric |= htonl(0x00ffffff) & htonl(C); \ | |
56 | } | |
049207c3 | 57 | |
ca1f4309 DS |
58 | #define OSPF6_ABR_RANGE_CLEAR_COST(range) (range->path.cost = OSPF_AREA_RANGE_COST_UNSPEC) |
59 | ||
d62a17ae | 60 | extern int ospf6_is_router_abr(struct ospf6 *o); |
6452df09 | 61 | |
d62a17ae | 62 | extern void ospf6_abr_enable_area(struct ospf6_area *oa); |
63 | extern void ospf6_abr_disable_area(struct ospf6_area *oa); | |
3b68735f | 64 | |
d62a17ae | 65 | extern int ospf6_abr_originate_summary_to_area(struct ospf6_route *route, |
66 | struct ospf6_area *area); | |
67 | extern void ospf6_abr_originate_summary(struct ospf6_route *route); | |
68 | extern void ospf6_abr_examin_summary(struct ospf6_lsa *lsa, | |
69 | struct ospf6_area *oa); | |
70 | extern void ospf6_abr_defaults_to_stub(struct ospf6 *); | |
d7c0a89a | 71 | extern void ospf6_abr_examin_brouter(uint32_t router_id); |
d62a17ae | 72 | extern void ospf6_abr_reimport(struct ospf6_area *oa); |
73 | extern void ospf6_abr_range_reset_cost(struct ospf6 *ospf6); | |
74 | extern void ospf6_abr_prefix_resummarize(struct ospf6 *ospf6); | |
049207c3 | 75 | |
d62a17ae | 76 | extern int config_write_ospf6_debug_abr(struct vty *vty); |
77 | extern void install_element_ospf6_debug_abr(void); | |
78 | extern int ospf6_abr_config_write(struct vty *vty); | |
6f19bb0e CS |
79 | extern void ospf6_abr_old_route_remove(struct ospf6_lsa *lsa, |
80 | struct ospf6_route *old, | |
81 | struct ospf6_route_table *table); | |
82 | extern void ospf6_abr_old_path_update(struct ospf6_route *old_route, | |
83 | struct ospf6_route *route, | |
84 | struct ospf6_route_table *table); | |
d62a17ae | 85 | extern void ospf6_abr_init(void); |
049207c3 | 86 | |
87 | #endif /*OSPF6_ABR_H*/ |