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authorOndrej Filip <feela@network.cz>2000-06-05 02:23:20 +0000
committerOndrej Filip <feela@network.cz>2000-06-05 02:23:20 +0000
commit273fd2c16475d3d1275a4fe17443c3ba2b93fbc4 (patch)
tree20e359ed2d2bfa79cf2acac2a8bbaeedde6116be /proto/ospf/topology.c
parent2d37d36c676e16b92ac38a60d3c269efeeaf07ac (diff)
Many bugfixes (I don't remember all of them):
Added link ID calculation for external routes with same prefix but different mask. Bugfix in NET lsa origination. Bugfix in NET hashing. Bugfix in LSA installing.
Diffstat (limited to 'proto/ospf/topology.c')
-rw-r--r--proto/ospf/topology.c49
1 files changed, 30 insertions, 19 deletions
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index c834cf59..6f89a911 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -120,8 +120,8 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 *length, struct proto_ospf *p)
if(((ifa->state==OSPF_IS_DR) && (j==1)) || (k==1))
{
ln->type=LSART_NET;
- ln->id=ipa_to_u32(ifa->drip);
- ln->data=ipa_to_u32(ifa->iface->addr->ip);
+ ln->id=ifa->drid;
+ ln->data=ipa_to_u32(ifa->drip);
ln->metric=ifa->cost;
ln->notos=0;
}
@@ -227,6 +227,7 @@ originate_rt_lsa(struct ospf_area *oa)
en=lsa_install_new(&lsa, body, oa, &po->proto);
oa->rt=en;
flood_lsa(NULL,NULL,&oa->rt->lsa,po,NULL,oa,1);
+ schedule_rtcalc(oa);
}
void *
@@ -300,6 +301,8 @@ originate_net_lsa(struct ospf_iface *ifa, struct proto_ospf *po)
body=originate_net_lsa_body(ifa, &lsa.length, po);
lsasum_calculate(&lsa,body,po);
ifa->nlsa=lsa_install_new(&lsa, body, ifa->oa, &po->proto);
+ debug("NetLsa: Id: %I, Sum: %u Sn: 0x%x\n",ifa->nlsa->lsa.id,
+ ifa->nlsa->lsa.checksum, ifa->nlsa->lsa.sn);
flood_lsa(NULL,NULL,&ifa->nlsa->lsa,po,NULL,ifa->oa,1);
}
@@ -350,7 +353,10 @@ originate_ext_lsa(net *n, rte *e, struct proto_ospf *po, struct ea_list *attrs)
u32 rtid=po->proto.cf->global->router_id;
struct top_hash_entry *en=NULL;
void *body=NULL;
+ struct proto *p=&po->proto;
struct ospf_area *oa;
+ struct ospf_lsa_ext *ext1,*ext2;
+ int i;
debug("%s: Originating Ext lsa for %I/%d.\n", po->proto.name, n->n.prefix,
n->n.pxlen);
@@ -363,6 +369,28 @@ originate_ext_lsa(net *n, rte *e, struct proto_ospf *po, struct ea_list *attrs)
body=originate_ext_lsa_body(n, e, po, attrs);
lsa.length=sizeof(struct ospf_lsa_ext)+sizeof(struct ospf_lsa_ext_tos)+
sizeof(struct ospf_lsa_header);
+ ext1=body;
+
+ oa=HEAD(po->area_list);
+
+ for(i=0;i<MAXNETS;i++)
+ {
+ if((en=ospf_hash_find_header(oa->gr, &lsa))!=NULL)
+ {
+ ext2=en->lsa_body;
+ if(ipa_compare(ext1->netmask,ext2->netmask)!=0) lsa.id++;
+ else break;
+ }
+ else break;
+ }
+
+ if(i==MAXNETS)
+ {
+ log("%s: got more routes for one network then %d, ignoring",p->name,
+ MAXNETS);
+ mb_free(body);
+ return;
+ }
lsasum_calculate(&lsa,body,po);
WALK_LIST(oa, po->area_list)
{
@@ -411,11 +439,7 @@ ospf_top_hash_u32(u32 a)
static inline unsigned
ospf_top_hash(struct top_graph *f, u32 lsaid, u32 rtrid, u32 type)
{
-#if 1 /* Dirty patch to make rt table calculation work. */
- return (ospf_top_hash_u32(lsaid) + ospf_top_hash_u32((type==2) ? lsaid : rtrid) + type) & f->hash_mask;
-#else
return (ospf_top_hash_u32(lsaid) + ospf_top_hash_u32(rtrid) + type) & f->hash_mask;
-#endif
}
struct top_graph *
@@ -486,21 +510,8 @@ ospf_hash_find(struct top_graph *f, u32 lsa, u32 rtr, u32 type)
{
struct top_hash_entry *e = f->hash_table[ospf_top_hash(f, lsa, rtr, type)];
-#if 1
- if(type==2 && lsa==rtr)
- {
- while (e && (e->lsa.id != lsa || e->lsa.type != 2 ))
- e = e->next;
- }
- else
- {
- while (e && (e->lsa.id != lsa || e->lsa.type != type || e->lsa.rt != rtr))
- e = e->next;
- }
-#else
while (e && (e->lsa.id != lsa || e->lsa.rt != rtr || e->lsa.type != type))
e = e->next;
-#endif
return e;
}