Adding more statistics collection (number of transmitted/received bytes
per "pit entry" and per face)
diff --git a/utils/load-stats-node.h b/utils/load-stats-node.h
index e91b094..9bdf5be 100644
--- a/utils/load-stats-node.h
+++ b/utils/load-stats-node.h
@@ -76,6 +76,18 @@
   void
   Timeout ();
 
+  /**
+   * Increment counter for Tx amount
+   */
+  void
+  Rx (ns3::Ptr<ns3::CcnxFace> face, uint32_t amount);
+
+  /**
+   * Increment counter for Tx amount
+   */
+  void
+  Tx (ns3::Ptr<ns3::CcnxFace> face, uint32_t amount);
+
   LoadStatsNode &
   operator += (const LoadStatsNode &stats);