From a7a3a0a383a9dadcd93d876e7d9b43f870f20941 Mon Sep 17 00:00:00 2001
From: Ondrej Filip <feela@network.cz>
Date: Wed, 31 May 2000 12:07:09 +0000
Subject: Added tagging of external LSA.

---
 proto/ospf/ospf.c | 10 ++++++++--
 proto/ospf/rt.c   | 13 ++++++++-----
 proto/ospf/rt.h   |  1 +
 3 files changed, 17 insertions(+), 7 deletions(-)

(limited to 'proto')

diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index b385a48..15e9ea4 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -237,14 +237,20 @@ ospf_get_route_info(rte *rte, byte *buf, ea_list *attrs)
   {
     met='1';
     type='E';
+
   }
-  if(rte->u.ospf.metric2!=0) met='2';
+  if(rte->u.ospf.metric2!=LSINFINITY) met='2';
   if(rte->attrs->source==RTS_OSPF_IA) type='A';
   if(rte->attrs->source==RTS_OSPF) type='I';
   buf += bsprintf(buf, " %c", type);
   if(met!=' ') buf += bsprintf(buf, "%c", met);
   buf += bsprintf(buf, " (%d/%d)", rte->pref,
-    (rte->u.ospf.metric2==0) ? rte->u.ospf.metric1 : rte->u.ospf.metric2);
+    (rte->u.ospf.metric2==LSINFINITY) ? rte->u.ospf.metric1 :
+    rte->u.ospf.metric2);
+  if(rte->attrs->source==RTS_OSPF_EXT)
+  {
+    buf += bsprintf(buf, " [%d]", rte->u.ospf.tag);
+  }
 }
 
 static int
diff --git a/proto/ospf/rt.c b/proto/ospf/rt.c
index d50e438..9b85df7 100644
--- a/proto/ospf/rt.c
+++ b/proto/ospf/rt.c
@@ -259,6 +259,7 @@ ospf_ext_spfa(struct proto_ospf *po)	/* FIXME looking into inter-area */
   ip_addr ip,nnh;
   struct iface *nnhi=NULL;
   u16 met,met2;
+  u32 tag;
   neighbor *nn;
 
   debug("%s: Starting routing table calculation for external routes\n",
@@ -311,7 +312,7 @@ ospf_ext_spfa(struct proto_ospf *po)	/* FIXME looking into inter-area */
     absroa=NULL;
     nnhi=NULL;
 
-    met=0;met2=0;
+    met=0;met2=0;tag=0;
 
     WALK_LIST(atmp,po->area_list)
     {
@@ -338,8 +339,9 @@ ospf_ext_spfa(struct proto_ospf *po)	/* FIXME looking into inter-area */
       else
       {
         met=absr->dist+lt->metric;
-	met2=0;
+	met2=LSINFINITY;
       }
+      tag=lt->tag;
     }
     else
     {
@@ -360,9 +362,9 @@ ospf_ext_spfa(struct proto_ospf *po)	/* FIXME looking into inter-area */
       else
       {
         met=nf->metric+lt->metric;
-	met2=0;
+	met2=LSINFINITY;
       }
-
+      tag=lt->tag;
 
       if((nn=neigh_find(p,&lt->fwaddr,0))!=NULL)
       {
@@ -376,6 +378,7 @@ ospf_ext_spfa(struct proto_ospf *po)	/* FIXME looking into inter-area */
     {
       nf->metric=met;
       nf->metric2=met2;
+      nf->tag=tag;
       if(nnhi!=NULL)
       {
         nf->nh=nnh;
@@ -447,7 +450,7 @@ noch:
       e=rte_get_temp(&a0);
       e->u.ospf.metric1=nf->metric;
       e->u.ospf.metric2=nf->metric2;
-      e->u.ospf.tag=0;			/* FIXME Some config? */
+      e->u.ospf.tag=nf->tag;
       e->pflags = 0;
       e->net=ne;
       e->pref = p->preference;
diff --git a/proto/ospf/rt.h b/proto/ospf/rt.h
index 66c04df..efd0906 100644
--- a/proto/ospf/rt.h
+++ b/proto/ospf/rt.h
@@ -22,6 +22,7 @@ struct extfib {
   u16 metric;
   u16 metric2;
   ip_addr nh;
+  u32 tag;
   struct iface *nhi;
 };
 
-- 
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