1
0
mirror of https://gitlab.labs.nic.cz/labs/bird.git synced 2024-05-11 16:54:54 +00:00

Doc in lsalib.c + related minor changes.

This commit is contained in:
Ondrej Filip
2000-06-07 22:31:47 +00:00
parent d5e4b51865
commit e9ab0b4212
5 changed files with 33 additions and 10 deletions

View File

@@ -1,7 +1,7 @@
/*
* BIRD -- OSPF
*
* (c) 1999-2000 Ondrej Filip <feela@network.cz>
* (c) 1999 - 2000 Ondrej Filip <feela@network.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
@@ -18,6 +18,18 @@ flush_lsa(struct top_hash_entry *en, struct ospf_area *oa)
ospf_hash_delete(oa->gr,en);
}
/**
* ospf_age
* @oa: ospf area
*
* This function is periodicaly invoked from area_disp(). It computes new
* age of all LSAs and old (@age is higher than %LSA_MAXAGE) are flushed
* when ever possible. If some LSA originated by router itself is older
* than %LSREFRESHTIME new instance is originated.
*
* RFC says, that router should check checksum of every LSA to detect some
* hardware problem. BIRD does not do it to minimalize CPU utilization.
*/
void
ospf_age(struct ospf_area *oa)
{
@@ -379,11 +391,21 @@ lsa_comp(struct ospf_lsa_header *l1, struct ospf_lsa_header *l2)
return CMP_SAME;
}
/* LSA can be temporarrily, but body must be mb_alloced. */
/**
* lsa_install_new - install new LSA into database
* @lsa: LSA header
* @body pointer to LSA body
* @oa: current ospf_area
*
* This function ensures installing new LSA into LSA database. Old instance is
* replaced. Several actions are taken to detec if new routing table
* calculation is necessary. This is described in 13.2 of RFC 2328.
*/
struct top_hash_entry *
lsa_install_new(struct ospf_lsa_header *lsa, void *body, struct ospf_area *oa,
struct proto *p)
lsa_install_new(struct ospf_lsa_header *lsa, void *body, struct ospf_area *oa)
{
/* LSA can be temporarrily, but body must be mb_alloced. */
struct proto *p=&oa->po->proto;
int change=0;
unsigned i;
struct top_hash_entry *en;