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1 | /* |
| 2 | * OSPF ABR functions. |
| 3 | * Copyright (C) 1999 Alex Zinin |
| 4 | * |
| 5 | * This file is part of GNU Zebra. |
| 6 | * |
| 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. |
| 11 | * |
| 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 | * |
| 17 | * You should have received a copy of the GNU General Public License |
| 18 | * along with GNU Zebra; see the file COPYING. If not, write to the Free |
| 19 | * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA |
| 20 | * 02111-1307, USA. |
| 21 | */ |
| 22 | |
| 23 | #ifndef _ZEBRA_OSPF_ABR_H |
| 24 | #define _ZEBRA_OSPF_ABR_H |
| 25 | |
| 26 | #define OSPF_ABR_TASK_DELAY 7 |
| 27 | |
| 28 | #define OSPF_AREA_RANGE_ADVERTISE (1 << 0) |
| 29 | #define OSPF_AREA_RANGE_SUBSTITUTE (1 << 1) |
| 30 | |
| 31 | /* Area range. */ |
| 32 | struct ospf_area_range |
| 33 | { |
| 34 | /* Area range address. */ |
| 35 | struct in_addr addr; |
| 36 | |
| 37 | /* Area range masklen. */ |
| 38 | u_char masklen; |
| 39 | |
| 40 | /* Flags. */ |
| 41 | u_char flags; |
| 42 | |
| 43 | /* Number of more specific prefixes. */ |
| 44 | int specifics; |
| 45 | |
| 46 | /* Addr and masklen to substitute. */ |
| 47 | struct in_addr subst_addr; |
| 48 | u_char subst_masklen; |
| 49 | |
| 50 | /* Range cost. */ |
| 51 | u_int32_t cost; |
| 52 | |
| 53 | /* Configured range cost. */ |
| 54 | u_int32_t cost_config; |
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55 | }; |
| 56 | |
| 57 | /* Prototypes. */ |
| 4dadc291 |
58 | extern struct ospf_area_range *ospf_area_range_lookup (struct ospf_area *, |
| 59 | struct prefix_ipv4 *); |
| 60 | |
| 61 | extern struct ospf_area_range *ospf_some_area_range_match (struct prefix_ipv4 |
| 62 | *); |
| 63 | |
| 64 | extern struct ospf_area_range *ospf_area_range_lookup_next (struct ospf_area |
| 65 | *, |
| 66 | struct in_addr *, |
| 67 | int); |
| 68 | |
| 69 | extern int ospf_area_range_set (struct ospf *, struct in_addr, |
| 70 | struct prefix_ipv4 *, int); |
| 71 | extern int ospf_area_range_cost_set (struct ospf *, struct in_addr, |
| 72 | struct prefix_ipv4 *, u_int32_t); |
| 73 | extern int ospf_area_range_unset (struct ospf *, struct in_addr, |
| 74 | struct prefix_ipv4 *); |
| 75 | extern int ospf_area_range_substitute_set (struct ospf *, struct in_addr, |
| 76 | struct prefix_ipv4 *, |
| 77 | struct prefix_ipv4 *); |
| 78 | extern int ospf_area_range_substitute_unset (struct ospf *, struct in_addr, |
| 79 | struct prefix_ipv4 *); |
| 80 | extern struct ospf_area_range *ospf_area_range_match_any (struct ospf *, |
| 81 | struct prefix_ipv4 |
| 82 | *); |
| 83 | extern int ospf_area_range_active (struct ospf_area_range *); |
| 84 | extern int ospf_act_bb_connection (struct ospf *); |
| 85 | |
| 86 | extern void ospf_check_abr_status (struct ospf *); |
| 87 | extern void ospf_abr_task (struct ospf *); |
| 88 | extern void ospf_schedule_abr_task (struct ospf *); |
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89 | |
| ba682537 |
90 | extern void ospf_abr_announce_network_to_area (struct prefix_ipv4 *, |
| 91 | u_int32_t, |
| 92 | struct ospf_area *); |
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93 | #endif /* _ZEBRA_OSPF_ABR_H */ |
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