Bugfix in inter-area route calculation and summary LSA origination.

Bugfix of some debugging commands.

2 files changed, 37 insertions, 17 deletions

diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index 8604ebe..ca1f58d 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -214,10 +214,7 @@ ospf_rt_spfa(struct ospf_area *oa)
 	   * it's also correct.
 	   */
 	  DBG("\n");
-	  if (act == oa->rt)
-	    continue;
-	  if (!act->nhi)
-	    continue;
+
 	  nf.type = RTS_OSPF;
 	  nf.capa = 0;
 	  nf.metric1 = act->dist + rtl->metric;
@@ -226,6 +223,26 @@ ospf_rt_spfa(struct ospf_area *oa)
 	  nf.ar = act;
 	  nf.nh = act->nh;
 	  nf.ifa = act->nhi;
+
+	  if (act == oa->rt)
+	  {
+	    struct ospf_iface *iff;
+
+	    WALK_LIST(iff, po->iface_list)
+	    {
+               if (rtl->id == (ipa_to_u32(ipa_mkmask(iff->iface->addr->pxlen))
+	         & ipa_to_u32(iff->iface->addr->prefix)))
+	       {
+		 nf.ifa = iff->iface;
+	         break;
+	       }
+            }
+						 
+	  }
+
+	  if (!nf.ifa)
+	    continue;
+
 	  ri_install(po, ipa_from_u32(rtl->id),
 		     ipa_mklen(ipa_from_u32(rtl->data)), ORT_NET, &nf, NULL);
 	  break;
@@ -458,7 +475,7 @@ ospf_rt_sum(struct ospf_area *oa)
   int mlen = -1, type = -1;
   union ospf_lsa_sum_tm *tm;
 
-  OSPF_TRACE(D_EVENTS, "Starting routing table calculation for inter-area routes");
+  OSPF_TRACE(D_EVENTS, "Starting routing table calculation for inter-area (area %I)", oa->areaid);
 
   WALK_SLIST(en, po->lsal)
   {
@@ -467,9 +484,6 @@ ospf_rt_sum(struct ospf_area *oa)
     /* Page 169 (1) */
     if (en->lsa.age == LSA_MAXAGE)
       continue;
-    if (en->dist == LSINFINITY)
-      continue;
-
     /* Page 169 (2) */
     if (en->lsa.rt == p->cf->global->router_id)
       continue;
@@ -478,6 +492,10 @@ ospf_rt_sum(struct ospf_area *oa)
       continue;
 
     mask = (ip_addr *)en->lsa_body;
+    tm = (union ospf_lsa_sum_tm *)(mask + 1);
+
+    if((tm->metric & METRIC_MASK) == LSINFINITY)
+      continue;
 
     if (en->lsa.type == LSA_T_SUM_NET)
     {
@@ -500,8 +518,6 @@ ospf_rt_sum(struct ospf_area *oa)
     if (abr->n.metric1 == LSINFINITY) continue;
     if (!(abr->n.capa & ORTA_ABR)) continue;
 
-    tm = (union ospf_lsa_sum_tm *)(mask + 1);
-
     nf.type = RTS_OSPF_IA;
     nf.capa = ORTA_ABR;
     nf.metric1 = abr->n.metric1 + (tm->metric & METRIC_MASK);
@@ -933,6 +949,9 @@ again1:
       a0.aflags = 0;
       a0.iface = nf->n.ifa;
       a0.gw = nf->n.nh;
+
+      if (ipa_equal(nf->n.nh, IPA_NONE)) a0.dest = RTD_DEVICE;
+      
       if ((!ipa_equal(nf->n.nh, IPA_NONE)) && (!neigh_find(p, &nf->n.nh, 0)))
       {
         int found = 0;
diff --git a/proto/ospf/topology.c b/proto/ospf/topology.c
index b0c97b3..5ba41e8 100644
--- a/proto/ospf/topology.c
+++ b/proto/ospf/topology.c
@@ -108,8 +108,8 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length)
 	if (ifa->state == OSPF_IS_WAITING)
 	{
 	  ln->type = LSART_STUB;
-	  ln->id = ipa_to_u32(ifa->iface->addr->prefix);
 	  ln->data = ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen));
+	  ln->id = ipa_to_u32(ifa->iface->addr->prefix) & ln->data;
 	  ln->metric = ifa->cost;
 	  ln->notos = 0;
 	}
@@ -134,8 +134,8 @@ originate_rt_lsa_body(struct ospf_area *oa, u16 * length)
 	  else
 	  {
 	    ln->type = LSART_STUB;
-	    ln->id = ipa_to_u32(ifa->iface->addr->prefix);
 	    ln->data = ipa_to_u32(ipa_mkmask(ifa->iface->addr->pxlen));
+	    ln->id = ipa_to_u32(ifa->iface->addr->prefix) & ln->data;
 	    ln->metric = ifa->cost;
 	    ln->notos = 0;
 	  }
@@ -483,8 +483,8 @@ originate_sum_lsa(struct ospf_area *oa, struct fib_node *fn, int type, int metri
   }
   lsa.id = free;
   
-  OSPF_TRACE(D_EVENTS, "Originating summary (type %d) lsa for %I/%d.", lsa.type, fn->prefix,
-             fn->pxlen);
+  OSPF_TRACE(D_EVENTS, "Originating summary (type %d) lsa for %I/%d (met %d).", lsa.type, fn->prefix,
+             fn->pxlen, metric);
 
   sum = mb_alloc(p->pool, sizeof(struct ospf_lsa_sum) + sizeof(union ospf_lsa_sum_tm));
   sum->netmask = ipa_mkmask(mlen);
@@ -847,7 +847,7 @@ ospf_hash_delete(struct top_graph *f, struct top_hash_entry *e)
 void
 ospf_top_dump(struct top_graph *f, struct proto *p)
 {
-  unsigned int i;       /* FIXME: Print areaids */
+  unsigned int i;
   OSPF_TRACE(D_EVENTS, "Hash entries: %d", f->hash_entries);
 
   for (i = 0; i < f->hash_size; i++)
@@ -855,8 +855,9 @@ ospf_top_dump(struct top_graph *f, struct proto *p)
     struct top_hash_entry *e = f->hash_table[i];
     while (e)
     {
-      OSPF_TRACE(D_EVENTS, "\t%1x %-1I %-1I %4u 0x%08x 0x%04x",
-		 e->lsa.type, e->lsa.id, e->lsa.rt, e->lsa.age, e->lsa.sn, e->lsa.checksum);
+      OSPF_TRACE(D_EVENTS, "- %1x %-1I %-1I %4u 0x%08x 0x%04x %-1I",
+		 e->lsa.type, e->lsa.id, e->lsa.rt, e->lsa.age,
+		 e->lsa.sn, e->lsa.checksum, e->oa ? e->oa->areaid : 0 );
       e = e->next;
     }
   }