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718e3744 | 1 | /* |
2 | * OSPF ABR functions. | |
3 | * Copyright (C) 1999 Alex Zinin | |
4 | * | |
5 | * This file is part of GNU Zebra. | |
896014f4 | 6 | * |
718e3744 | 7 | * GNU Zebra is free software; you can redistribute it and/or modify it |
8 | * under the terms of the GNU General Public License as published by the | |
9 | * Free Software Foundation; either version 2, or (at your option) any | |
10 | * later version. | |
896014f4 | 11 | * |
718e3744 | 12 | * GNU Zebra is distributed in the hope that it will be useful, but |
13 | * WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
15 | * General Public License for more details. | |
16 | * | |
896014f4 DL |
17 | * You should have received a copy of the GNU General Public License along |
18 | * with this program; see the file COPYING; if not, write to the Free Software | |
19 | * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
718e3744 | 20 | */ |
21 | ||
22 | #ifndef _ZEBRA_OSPF_ABR_H | |
23 | #define _ZEBRA_OSPF_ABR_H | |
24 | ||
25 | #define OSPF_ABR_TASK_DELAY 7 | |
26 | ||
27 | #define OSPF_AREA_RANGE_ADVERTISE (1 << 0) | |
28 | #define OSPF_AREA_RANGE_SUBSTITUTE (1 << 1) | |
29 | ||
30 | /* Area range. */ | |
d62a17ae | 31 | struct ospf_area_range { |
32 | /* Area range address. */ | |
33 | struct in_addr addr; | |
718e3744 | 34 | |
d62a17ae | 35 | /* Area range masklen. */ |
d7c0a89a | 36 | uint8_t masklen; |
718e3744 | 37 | |
d62a17ae | 38 | /* Flags. */ |
d7c0a89a | 39 | uint8_t flags; |
718e3744 | 40 | |
d62a17ae | 41 | /* Number of more specific prefixes. */ |
42 | int specifics; | |
718e3744 | 43 | |
d62a17ae | 44 | /* Addr and masklen to substitute. */ |
45 | struct in_addr subst_addr; | |
d7c0a89a | 46 | uint8_t subst_masklen; |
718e3744 | 47 | |
d62a17ae | 48 | /* Range cost. */ |
d7c0a89a | 49 | uint32_t cost; |
718e3744 | 50 | |
d62a17ae | 51 | /* Configured range cost. */ |
d7c0a89a | 52 | uint32_t cost_config; |
718e3744 | 53 | }; |
54 | ||
55 | /* Prototypes. */ | |
d62a17ae | 56 | extern struct ospf_area_range *ospf_area_range_lookup(struct ospf_area *, |
57 | struct prefix_ipv4 *); | |
58 | ||
59 | extern struct ospf_area_range *ospf_some_area_range_match(struct prefix_ipv4 *); | |
60 | ||
61 | extern struct ospf_area_range * | |
62 | ospf_area_range_lookup_next(struct ospf_area *, struct in_addr *, int); | |
63 | ||
64 | extern int ospf_area_range_set(struct ospf *, struct in_addr, | |
65 | struct prefix_ipv4 *, int); | |
66 | extern int ospf_area_range_cost_set(struct ospf *, struct in_addr, | |
d7c0a89a | 67 | struct prefix_ipv4 *, uint32_t); |
d62a17ae | 68 | extern int ospf_area_range_unset(struct ospf *, struct in_addr, |
69 | struct prefix_ipv4 *); | |
70 | extern int ospf_area_range_substitute_set(struct ospf *, struct in_addr, | |
71 | struct prefix_ipv4 *, | |
72 | struct prefix_ipv4 *); | |
73 | extern int ospf_area_range_substitute_unset(struct ospf *, struct in_addr, | |
74 | struct prefix_ipv4 *); | |
75 | extern struct ospf_area_range *ospf_area_range_match_any(struct ospf *, | |
76 | struct prefix_ipv4 *); | |
77 | extern int ospf_area_range_active(struct ospf_area_range *); | |
78 | extern int ospf_act_bb_connection(struct ospf *); | |
79 | ||
80 | extern void ospf_check_abr_status(struct ospf *); | |
81 | extern void ospf_abr_task(struct ospf *); | |
82 | extern void ospf_schedule_abr_task(struct ospf *); | |
83 | ||
d7c0a89a | 84 | extern void ospf_abr_announce_network_to_area(struct prefix_ipv4 *, uint32_t, |
d62a17ae | 85 | struct ospf_area *); |
718e3744 | 86 | #endif /* _ZEBRA_OSPF_ABR_H */ |