/*
 *      BIRD -- OSPF
 *
 *      (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
 *
 *      Can be freely distributed and used under the terms of the GNU GPL.
 *
 */

#ifndef _BIRD_OSPF_LSALIB_H_
#define _BIRD_OSPF_LSALIB_H_

void htonlsah(struct ospf_lsa_header *h, struct ospf_lsa_header *n);
void ntohlsah(struct ospf_lsa_header *n, struct ospf_lsa_header *h);
void htonlsab(void *h, void *n, u8 type, u16 len);
void ntohlsab(void *n, void *h, u8 type, u16 len);
void lsasum_calculate(struct ospf_lsa_header *header, void *body);
u16 lsasum_check(struct ospf_lsa_header *h, void *body);
#define CMP_NEWER 1
#define CMP_SAME 0
#define CMP_OLDER -1
int lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2);
struct top_hash_entry *lsa_install_new(struct ospf_lsa_header *lsa,
				       void *body, struct ospf_area *oa);
void ospf_age(struct proto_ospf *po);
void flush_lsa(struct top_hash_entry *en, struct proto_ospf *po);

#endif /* _BIRD_OSPF_LSALIB_H_ */