--- a/src/node/serial-net-device.cc	Tue Feb 20 23:58:21 2007 -0800
+++ b/src/node/serial-net-device.cc	Wed Feb 21 00:02:27 2007 -0800
@@ -138,4 +138,16 @@
     }
 }
 
+Queue* 
+SerialNetDevice::GetQueue(void) const 
+{ 
+    return m_queue;
+}
+
+SerialChannel* 
+SerialNetDevice::GetChannel(void) const 
+{ 
+    return m_channel;
+}
+
 } // namespace ns3