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40 lines
1.2 KiB
C
40 lines
1.2 KiB
C
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/*
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* BIRD -- OSPF
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*
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* (c) 1999 Ondrej Filip <feela@network.cz>
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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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struct top_hash_entry *next; /* Next in hash chain */
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struct top_vertex *vertex;
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u32 lsa_id, rtr_id;
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u16 lsa_type;
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u16 pad;
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};
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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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struct top_graph *ospf_top_new(struct proto_ospf *);
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void ospf_top_free(struct top_graph *);
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void ospf_top_dump(struct top_graph *);
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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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#endif /* _BIRD_OSPF_TOPOLOGY_H_ */
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