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59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
/*
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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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u8 lsa_type;
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u8 options;
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u16 lsage;
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u32 lsseqno;
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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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void addifa_rtlsa(struct ospf_iface *ifa);
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struct top_graph_rtlsa {
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u8 Vbit;
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u8 Ebit;
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u8 Bbit;
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int links; /* Number of links */
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struct top_graph_rtlsa_link *flink;
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};
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struct top_graph_rtlsa_link { /* FIXME Completely ignoring TOS */
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u32 id;
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u32 data;
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u8 type;
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u16 metric;
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struct top_graph_rtlsa_link *next;
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};
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#endif /* _BIRD_OSPF_TOPOLOGY_H_ */
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