74 lines
2.3 KiB
C
74 lines
2.3 KiB
C
/*
|
|
* BIRD -- OSPF
|
|
*
|
|
* (c) 1999--2004 Ondrej Filip <feela@network.cz>
|
|
*
|
|
* Can be freely distributed and used under the terms of the GNU GPL.
|
|
*/
|
|
|
|
#ifndef _BIRD_OSPF_TOPOLOGY_H_
|
|
#define _BIRD_OSPF_TOPOLOGY_H_
|
|
|
|
struct top_hash_entry
|
|
{ /* Index for fast mapping (type,rtrid,LSid)->vertex */
|
|
snode n;
|
|
node cn; /* For adding into list of candidates
|
|
* in intra-area routing table
|
|
* calculation
|
|
*/
|
|
struct top_hash_entry *next; /* Next in hash chain */
|
|
struct ospf_lsa_header lsa;
|
|
struct ospf_area *oa;
|
|
void *lsa_body;
|
|
bird_clock_t inst_t; /* Time of installation into DB */
|
|
ip_addr nh; /* Next hop */
|
|
ip_addr lb; /* Link back */
|
|
struct ospf_iface *nhi; /* Next hop interface */
|
|
u32 dist; /* Distance from the root */
|
|
u16 ini_age;
|
|
u8 color;
|
|
#define OUTSPF 0
|
|
#define CANDIDATE 1
|
|
#define INSPF 2
|
|
u8 padding;
|
|
};
|
|
|
|
struct top_graph
|
|
{
|
|
pool *pool; /* Pool we allocate from */
|
|
slab *hash_slab; /* Slab for hash entries */
|
|
struct top_hash_entry **hash_table; /* Hashing (modelled a`la fib) */
|
|
unsigned int hash_size;
|
|
unsigned int hash_order;
|
|
unsigned int hash_mask;
|
|
unsigned int hash_entries;
|
|
unsigned int hash_entries_min, hash_entries_max;
|
|
};
|
|
|
|
struct top_graph *ospf_top_new(pool *);
|
|
void ospf_top_free(struct top_graph *);
|
|
void ospf_top_dump(struct top_graph *, struct proto *);
|
|
struct top_hash_entry *ospf_hash_find_header(struct top_graph *f, u32 areaid,
|
|
struct ospf_lsa_header *h);
|
|
struct top_hash_entry *ospf_hash_get_header(struct top_graph *f, struct ospf_area *oa,
|
|
struct ospf_lsa_header *h);
|
|
struct top_hash_entry *ospf_hash_find(struct top_graph *, u32 areaid, u32 lsa, u32 rtr,
|
|
u32 type);
|
|
struct top_hash_entry *ospf_hash_get(struct top_graph *, struct ospf_area *oa, u32 lsa, u32 rtr,
|
|
u32 type);
|
|
void ospf_hash_delete(struct top_graph *, struct top_hash_entry *);
|
|
void originate_rt_lsa(struct ospf_area *oa);
|
|
void originate_net_lsa(struct ospf_iface *ifa);
|
|
int can_flush_lsa(struct proto_ospf *po);
|
|
int max_ext_lsa(unsigned pxlen);
|
|
void originate_ext_lsa(net * n, rte * e, struct proto_ospf *po,
|
|
struct ea_list *attrs);
|
|
void check_sum_lsa(struct proto_ospf *po, ort *nf, int);
|
|
void originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metric);
|
|
void flush_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type);
|
|
|
|
|
|
|
|
|
|
#endif /* _BIRD_OSPF_TOPOLOGY_H_ */
|