--- embedaddon/quagga/ospf6d/ospf6_area.h	2012/02/21 17:26:12	1.1.1.1
+++ embedaddon/quagga/ospf6d/ospf6_area.h	2013/07/21 23:54:39	1.1.1.2
@@ -57,6 +57,7 @@ struct ospf6_area
 
   struct thread  *thread_spf_calculation;
   struct thread  *thread_route_calculation;
+  u_int32_t spf_calculation;	/* SPF calculation count */
 
   struct thread *thread_router_lsa;
   struct thread *thread_intra_prefix_lsa;