From 3d15dcdb1cc91c694aa9319b86bb37510d7ed12b Mon Sep 17 00:00:00 2001
From: Ondrej Zajicek <santiago@crfreenet.org>
Date: Wed, 10 Jun 2009 23:45:08 +0200
Subject: Changes OSPF to generate stub networks for non-primary addresses.

Also does some reorganization in RT LSA announcement.
---
 proto/ospf/ospf.c | 28 +++++++++++++++++++++++++++-
 1 file changed, 27 insertions(+), 1 deletion(-)

(limited to 'proto/ospf/ospf.c')

diff --git a/proto/ospf/ospf.c b/proto/ospf/ospf.c
index 69d3724..4ad6ef4 100644
--- a/proto/ospf/ospf.c
+++ b/proto/ospf/ospf.c
@@ -76,6 +76,9 @@
 #include <stdlib.h>
 #include "ospf.h"
 
+
+static void ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old UNUSED, ea_list * attrs);
+static void ospf_ifa_notify(struct proto *p, unsigned flags, struct ifa *a);
 static int ospf_rte_better(struct rte *new, struct rte *old);
 static int ospf_rte_same(struct rte *new, struct rte *old);
 static void ospf_disp(timer *timer);
@@ -124,6 +127,9 @@ ospf_start(struct proto *p)
   po->disp_timer->hook = ospf_disp;
   po->disp_timer->recurrent = po->tick;
   tm_start(po->disp_timer, 1);
+  po->lsab_size = 256;
+  po->lsab_used = 0;
+  po->lsab = mb_alloc(p->pool, po->lsab_size);
   init_list(&(po->iface_list));
   init_list(&(po->area_list));
   fib_init(&po->rtf, p->pool, sizeof(ort), 16, ospf_rt_initort);
@@ -227,6 +233,7 @@ ospf_init(struct proto_config *c)
   p->accept_ra_types = RA_OPTIMAL;
   p->rt_notify = ospf_rt_notify;
   p->if_notify = ospf_iface_notify;
+  p->ifa_notify = ospf_ifa_notify;
   p->rte_better = ospf_rte_better;
   p->rte_same = ospf_rte_same;
 
@@ -429,7 +436,7 @@ ospf_shutdown(struct proto *p)
   return PS_DOWN;
 }
 
-void
+static void
 ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old UNUSED,
 	       ea_list * attrs)
 {
@@ -473,6 +480,25 @@ ospf_rt_notify(struct proto *p, net * n, rte * new, rte * old UNUSED,
   }
 }
 
+static void
+ospf_ifa_notify(struct proto *p, unsigned flags, struct ifa *a)
+{
+  struct proto_ospf *po = (struct proto_ospf *) p;
+  struct ospf_iface *ifa;
+  
+  if ((a->flags & IA_SECONDARY) || (a->flags & IA_UNNUMBERED))
+    return;
+
+  WALK_LIST(ifa, po->iface_list)
+    {
+      if (ifa->iface == a->iface)
+	{
+	  schedule_rt_lsa(ifa->oa);
+	  return;
+	}
+    }
+}
+
 static void
 ospf_get_status(struct proto *p, byte * buf)
 {
-- 
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