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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:16:35 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-09 13:16:35 +0000 |
| commit | e2bbf175a2184bd76f6c54ccf8456babeb1a46fc (patch) | |
| tree | f0b76550d6e6f500ada964a3a4ee933a45e5a6f1 /ospfd/ospf_abr.h | |
| parent | Initial commit. (diff) | |
| download | frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.tar.xz frr-e2bbf175a2184bd76f6c54ccf8456babeb1a46fc.zip | |
Adding upstream version 9.1.upstream/9.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ospfd/ospf_abr.h')
| -rw-r--r-- | ospfd/ospf_abr.h | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/ospfd/ospf_abr.h b/ospfd/ospf_abr.h new file mode 100644 index 0000000..cc2b2b0 --- /dev/null +++ b/ospfd/ospf_abr.h @@ -0,0 +1,96 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * OSPF ABR functions. + * Copyright (C) 1999 Alex Zinin + */ + +#ifndef _ZEBRA_OSPF_ABR_H +#define _ZEBRA_OSPF_ABR_H + +#define OSPF_ABR_TASK_DELAY 5 +#define OSPF_ABR_DNA_TIMER 10 +/* Delay in announceing Non-DNA routers + * so that LSAs are completely synced + * before generating indication LSAs. + */ + +#define OSPF_AREA_RANGE_ADVERTISE (1 << 0) +#define OSPF_AREA_RANGE_SUBSTITUTE (1 << 1) +#define OSPF_AREA_RANGE_NSSA (1 << 2) + +/* Area range. */ +struct ospf_area_range { + /* Area range address. */ + struct in_addr addr; + + /* Area range masklen. */ + uint8_t masklen; + + /* Flags. */ + uint8_t flags; + + /* Number of more specific prefixes. */ + int specifics; + + /* Addr and masklen to substitute. */ + struct in_addr subst_addr; + uint8_t subst_masklen; + + /* Range cost. */ + uint32_t cost; + + /* Configured range cost. */ + uint32_t cost_config; +}; + +/* Prototypes. */ +extern struct ospf_area_range *ospf_area_range_lookup(struct ospf_area *, + struct route_table *, + struct prefix_ipv4 *); +extern struct ospf_area_range * +ospf_area_range_lookup_next(struct ospf_area *, struct in_addr *, int); + +extern int ospf_area_range_set(struct ospf *, struct ospf_area *, + struct route_table *, struct prefix_ipv4 *, int, + bool); +extern int ospf_area_range_cost_set(struct ospf *, struct ospf_area *, + struct route_table *, struct prefix_ipv4 *, + uint32_t); +extern int ospf_area_range_unset(struct ospf *, struct ospf_area *, + struct route_table *, struct prefix_ipv4 *); +extern int ospf_area_range_substitute_set(struct ospf *, struct ospf_area *, + struct prefix_ipv4 *, + struct prefix_ipv4 *); +extern int ospf_area_range_substitute_unset(struct ospf *, struct ospf_area *, + struct prefix_ipv4 *); +extern struct ospf_area_range *ospf_area_range_match_any(struct ospf *, + struct prefix_ipv4 *); +extern int ospf_area_range_active(struct ospf_area_range *); +extern int ospf_act_bb_connection(struct ospf *); + +extern void ospf_check_abr_status(struct ospf *); +extern void ospf_abr_task(struct ospf *); +extern void ospf_abr_nssa_task(struct ospf *ospf); +extern void ospf_schedule_abr_task(struct ospf *); + +extern void ospf_abr_announce_network_to_area(struct prefix_ipv4 *, uint32_t, + struct ospf_area *); +extern void ospf_abr_nssa_type7_defaults(struct ospf *ospf); +extern void ospf_abr_nssa_check_status(struct ospf *ospf); +extern void ospf_abr_generate_indication_lsa(struct ospf *ospf, + const struct ospf_area *area); +extern void ospf_flush_indication_lsas(struct ospf *ospf); +extern void ospf_generate_indication_lsa(struct ospf *ospf, + struct ospf_area *area); +extern bool ospf_check_fr_enabled_all(struct ospf *ospf); +extern void ospf_recv_indication_lsa_flush(struct ospf_lsa *lsa); + +/** @brief Static inline functions. + * @param Area pointer. + * @return area Flood Reduction status. + */ +static inline bool ospf_check_area_fr_enabled(const struct ospf_area *area) +{ + return area->fr_info.enabled ? true : false; +} +#endif /* _ZEBRA_OSPF_ABR_H */ |