Added comments.

diff --git a/proto/ospf/topology.h b/proto/ospf/topology.h
index 70fed41915312142fb5dbb23e36baba4aa82f77b..c4bbc9e5d04fd7c956864f7ce0b9fb25431d2bf1 100644 (file)
--- a/proto/ospf/topology.h
+++ b/proto/ospf/topology.h
@@ -11,7 +11,10 @@
 
 struct top_hash_entry {  /* Index for fast mapping (type,rtrid,LSid)->vertex */
   snode n;
-  node cn;
+  node cn;                             /* For adding into list of candidates
+                                        * in intra-area routing table
+                                        * calculation
+                                        */
   struct top_hash_entry *next;         /* Next in hash chain */
   struct ospf_lsa_header lsa;
   void *lsa_body;