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

Doc in neighbor.c and some tiny changes related to.

Browse Source
This commit is contained in:
Ondrej Filip
2000-06-07 21:46:22 +00:00
parent cadbb827f9
commit 7ab3ff6a28
7 changed files with 88 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

45
proto/ospf/topology.c
View File

@@ -169,6 +169,15 @@ addifa_rtlsa(struct ospf_iface *ifa)
else ifa->oa=oa;
}
/**
* originate_rt_lsa - build new instance of router LSA
* @oa: ospf_area which is LSA built to
*
* It builds router LSA walking through all OSPF interfaces in
* specified OSPF area. This function is mostly called from
* area_disp(). Builds new LSA, increases sequence number (if old
* instance exists) and sets age of LSA to zero.
*/
void
originate_rt_lsa(struct ospf_area *oa)
{
@@ -231,9 +240,19 @@ originate_net_lsa_body(struct ospf_iface *ifa, u16 *length,
return net;
}
/**
* originate_net_lsa - originates of deletes network LSA
* @ifa: interface which is LSA originated for
*
* Interface counts number of adjacent neighbor. If this number is
* lower then one or interface is not in state %OSPF_IS_DR it deletes
* and premature ages instance of network LSA for specified interface.
* In other case, new instance of network LSA is originated.
*/
void
originate_net_lsa(struct ospf_iface *ifa, struct proto_ospf *po)
originate_net_lsa(struct ospf_iface *ifa)
{
struct proto_ospf *po=ifa->proto;
struct ospf_lsa_header lsa;
u32 rtid=po->proto.cf->global->router_id;
struct top_hash_entry *en;
@@ -247,6 +266,8 @@ originate_net_lsa(struct ospf_iface *ifa, struct proto_ospf *po)
{
if(ifa->nlsa==NULL) return;
OSPF_TRACE(D_EVENTS, "Deleting Net lsa for iface \"%s\".",
ifa->iface->name);
ifa->nlsa->lsa.sn+=1;
ifa->nlsa->lsa.age=LSA_MAXAGE;
flood_lsa(NULL,NULL,&ifa->nlsa->lsa,po,NULL,ifa->oa,0);
@@ -257,6 +278,9 @@ originate_net_lsa(struct ospf_iface *ifa, struct proto_ospf *po)
return ;
}
OSPF_TRACE(D_EVENTS, "Originating Net lsa for iface \"%s\".",
ifa->iface->name);
lsa.age=0;
lsa.id=ipa_to_u32(ifa->iface->addr->ip);
lsa.type=LSA_T_NET;
@@ -317,6 +341,18 @@ originate_ext_lsa_body(net *n, rte *e, struct proto_ospf *po, struct ea_list *at
return ext;
}
/**
* originate_ext_lsa - new route recived from nest and filters
* @n: network prefix and mask
* @e: rte
* @po: current instance of OSPF
* @attrs: list of extended attributes
*
* If I receive message that new route is installed, I try to originate an
* external LSA. LSA header of such LSA does not contain information about
* prefix lenght, so if I have to originate multiple LSAs for route with
* different prefixes I try to increment prefix id to find a "free" one.
*/
void
originate_ext_lsa(net *n, rte *e, struct proto_ospf *po, struct ea_list *attrs)
{
@@ -417,6 +453,13 @@ return (ospf_top_hash_u32(lsaid) + ospf_top_hash_u32((type==LSA_T_NET) ? lsaid :
#endif
}
/**
* ospf_top_new - allocated new topology database
* @p: current instance of OSPF
*
* This dynamically hashed structure is often used for keeping LSAs. Mainly
* its used in @ospf_area structute.
*/
struct top_graph *
ospf_top_new(struct proto_ospf *p)
{