NBMA networks should work now.

proto/ospf/config.Y

@@ -16,12 +16,14 @@ CF_DEFINES
 static struct ospf_area_config *this_area;
 static struct iface_patt *this_ipatt;
 #define OSPF_PATT ((struct ospf_iface_patt *) this_ipatt)
+static struct nbma_node *this_nbma;
 
 CF_DECLS
 
 CF_KEYWORDS(OSPF, AREA, OSPF_METRIC1, OSPF_METRIC2, OSPF_TAG)
 CF_KEYWORDS(NEIGHBORS, RFC1583COMPAT, STUB, TICK, COST, RETRANSMIT)
 CF_KEYWORDS(HELLO, TRANSIT, PRIORITY, DEAD, NONBROADCAST, POINTOPOINT, TYPE)
+CF_KEYWORDS(NEIGHBORS)
 
 %type <t> opttext
 
@@ -83,9 +85,24 @@ ospf_iface_item:
  | TYPE BROADCAST { OSPF_PATT->type = OSPF_IT_BCAST ; }
  | TYPE NONBROADCAST { OSPF_PATT->type = OSPF_IT_NBMA ; }
  | TYPE POINTOPOINT { OSPF_PATT->type = OSPF_IT_PTP ; }
+ | NEIGHBORS '{' ipa_list '}'
  |
  ;
 
+ipa_list:
+ /* empty */
+ | ipa_list ipa_item
+ ;
+ 
+ipa_item: IPA ';'
+ {
+   this_nbma = cfg_allocz(sizeof(struct nbma_node));
+   add_tail(&OSPF_PATT->nbma_list, NODE this_nbma);
+   this_nbma->ip=$1;
+ }
+;
+
+ 
 ospf_iface_start:
  {
   this_ipatt = cfg_allocz(sizeof(struct ospf_iface_patt));
@@ -98,6 +115,7 @@ ospf_iface_start:
   OSPF_PATT->waitint = WAIT_DMH*HELLOINT_D;
   OSPF_PATT->deadc = DEADC_D;
   OSPF_PATT->type = OSPF_IT_UNDEF;
+  init_list(&OSPF_PATT->nbma_list);
  }
 ;
 

proto/ospf/hello.c

@@ -194,8 +194,14 @@ hello_timer_hook(timer *timer)
   /* First a common packet header */
   if(ifa->type!=OSPF_IT_NBMA)
   {
-    /* Now fill ospf_hello header */
     pkt=(struct ospf_hello_packet *)(ifa->hello_sk->tbuf);
+  }
+  else 
+  {
+    pkt=(struct ospf_hello_packet *)(ifa->ip_sk->tbuf);
+  }
+
+  /* Now fill ospf_hello header */
   op=(struct ospf_packet *)pkt;
 
   fill_ospf_pkt_hdr(ifa, pkt, HELLO_P);
@@ -224,9 +230,33 @@ hello_timer_hook(timer *timer)
   ospf_pkt_finalize(ifa, op);
 
     /* And finally send it :-) */
+  if(ifa->type!=OSPF_IT_NBMA)
+  {
     sk_send(ifa->hello_sk,length);
   }
+  else	/* NBMA */
+  {
+    list n_list;
+    struct ospf_neighbor *n1;
+    struct nbma_node *nb;
+    int send;
 
+    init_list(&n_list);
+    WALK_LIST(nb,ifa->nbma_list)
+    {
+      send=1;
+      WALK_LIST(n1, ifa->neigh_list)
+      {
+        if(ipa_compare(nb->ip,n1->ip)==0)
+	{
+	  send=0;
+	  break;
+	}
+      }
+      if(send) sk_send_to(ifa->ip_sk, length, nb->ip, OSPF_PROTO);
+    }
+    sk_send_to_agt(ifa->ip_sk, length, ifa, NEIGHBOR_DOWN);
+  }
   debug("%s: Hello sent via %s\n",p->name,ifa->iface->name);
 }
 

proto/ospf/iface.c

@@ -33,7 +33,7 @@ iface_chstate(struct ospf_iface *ifa, u8 state)
     {
       if((state==OSPF_IS_BACKUP)||(state==OSPF_IS_DR))
       {
-        if(ifa->dr_sk==NULL)
+        if((ifa->dr_sk==NULL)&&(ifa->type!=OSPF_IT_NBMA))
         {
           DBG("%s: Adding new multicast socket for (B)DR\n", p->name);
           ifa->dr_sk=sk_new(p->pool);
@@ -290,6 +290,7 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
   struct ospf_config *c=(struct ospf_config *)(p->cf);
   struct ospf_area_config *ac;
   struct ospf_iface_patt *ip=NULL;
+  struct nbma_node *nbma,*nb;
   u8 i;
 
   DBG("%s: If notify called\n", p->name);
@@ -323,7 +324,7 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
       for(i=0;i<8;i++) ifa->aukey[i]=0;
       ifa->options=2;	/* FIXME what options? */
 
-      if(ip->type=OSPF_IT_UNDEF)
+      if(ip->type==OSPF_IT_UNDEF)
         ifa->type=ospf_iface_clasify(ifa->iface, (struct proto *)ifa->proto);
       else ifa->type=ip->type;
 
@@ -338,6 +339,7 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
               return;
         }
         ifa->dr_sk=NULL;
+      }
  
       if((ifa->ip_sk=ospf_open_ip_socket(ifa))==NULL)
       {
@@ -348,8 +350,15 @@ ospf_if_notify(struct proto *p, unsigned flags, struct iface *iface)
             return;
       }
  
-        init_list(&(ifa->neigh_list));
+      init_list(&ifa->neigh_list);
+      init_list(&ifa->nbma_list);
+      WALK_LIST(nb,ip->nbma_list)
+      {
+        nbma=mb_alloc(p->pool,sizeof(struct nbma_node));
+	nbma->ip=nb->ip;
+	add_tail(&ifa->nbma_list, NODE nbma);
       }
+      
       /* Add hello timer */
       ifa->hello_timer=tm_new(p->pool);
       ifa->hello_timer->data=ifa;

proto/ospf/ospf.h

@@ -52,6 +52,11 @@ struct ospf_config {
   list area_list;
 };
 
+struct nbma_node {
+  node n;
+  ip_addr ip;
+};
+
 struct ospf_area_config {
   node n;
   u32 areaid;
@@ -114,6 +119,7 @@ struct ospf_iface {
 			 */
   struct top_hash_entry *nlsa;	/* Originated net lsa */
   int fadj;		/* Number of full adjacent neigh */
+  list nbma_list;
 };
 
 struct ospf_packet {
@@ -369,6 +375,7 @@ struct ospf_iface_patt {
   int waitint;
   int deadc;
   int type;
+  list nbma_list;
 };
 
 static int ospf_start(struct proto *p);