1999-11-17 23:50:41 +08:00
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/*
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* BIRD -- OSPF
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*
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2000-02-26 03:19:41 +08:00
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* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
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1999-11-17 23:50:41 +08:00
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#ifndef _BIRD_OSPF_TOPOLOGY_H_
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#define _BIRD_OSPF_TOPOLOGY_H_
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struct top_hash_entry { /* Index for fast mapping (type,rtrid,LSid)->vertex */
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2000-08-19 00:36:54 +08:00
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snode n;
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2001-06-09 22:56:01 +08:00
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node cn; /* For adding into list of candidates
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* in intra-area routing table
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* calculation
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*/
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1999-11-17 23:50:41 +08:00
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struct top_hash_entry *next; /* Next in hash chain */
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2000-03-10 06:38:05 +08:00
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struct ospf_lsa_header lsa;
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void *lsa_body;
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2000-04-04 08:32:17 +08:00
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bird_clock_t inst_t; /* Time of installation into DB */
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2000-04-30 19:31:05 +08:00
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ip_addr nh; /* Next hop */
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struct iface *nhi;
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2000-04-26 20:54:23 +08:00
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u16 dist; /* Distance from the root */
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2000-06-08 07:48:33 +08:00
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u16 ini_age;
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2000-04-26 20:54:23 +08:00
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u8 color;
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#define OUTSPF 0
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#define CANDIDATE 1
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#define INSPF 2
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u8 padding;
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2000-06-08 07:48:33 +08:00
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u16 padding2;
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2000-02-09 06:13:12 +08:00
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};
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1999-11-17 23:50:41 +08:00
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struct top_graph {
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pool *pool; /* Pool we allocate from */
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slab *hash_slab; /* Slab for hash entries */
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struct top_hash_entry **hash_table; /* Hashing (modelled a`la fib) */
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unsigned int hash_size;
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unsigned int hash_order;
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unsigned int hash_mask;
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unsigned int hash_entries;
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unsigned int hash_entries_min, hash_entries_max;
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};
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2004-06-01 21:12:10 +08:00
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struct top_graph *ospf_top_new(pool *, struct proto_ospf *);
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1999-11-17 23:50:41 +08:00
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void ospf_top_free(struct top_graph *);
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2000-06-06 10:27:08 +08:00
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void ospf_top_dump(struct top_graph *, struct proto *);
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2000-04-04 08:32:17 +08:00
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struct top_hash_entry *ospf_hash_find_header(struct top_graph *f, struct ospf_lsa_header *h);
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2000-04-04 23:55:55 +08:00
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struct top_hash_entry *ospf_hash_get_header(struct top_graph *f, struct ospf_lsa_header *h);
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1999-11-17 23:50:41 +08:00
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struct top_hash_entry *ospf_hash_find(struct top_graph *, u32 lsa, u32 rtr, u32 type);
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struct top_hash_entry *ospf_hash_get(struct top_graph *, u32 lsa, u32 rtr, u32 type);
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void ospf_hash_delete(struct top_graph *, struct top_hash_entry *);
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2000-02-24 08:26:10 +08:00
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void addifa_rtlsa(struct ospf_iface *ifa);
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2000-05-31 22:06:33 +08:00
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void originate_rt_lsa(struct ospf_area *oa);
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2000-06-08 05:46:22 +08:00
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void originate_net_lsa(struct ospf_iface *ifa);
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2000-05-04 06:12:33 +08:00
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int can_flush_lsa(struct ospf_area *oa);
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2004-06-01 02:16:42 +08:00
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int max_ext_lsa(unsigned pxlen);
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2000-05-31 05:25:32 +08:00
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void originate_ext_lsa(net *n, rte *e, struct proto_ospf *po, struct ea_list *attrs);
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1999-11-17 23:50:41 +08:00
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#endif /* _BIRD_OSPF_TOPOLOGY_H_ */
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