--- a/src/devices/wifi/mgt-headers.h	Mon Mar 17 12:12:17 2008 -0700
+++ b/src/devices/wifi/mgt-headers.h	Mon Mar 17 13:12:17 2008 -0700
@@ -44,12 +44,14 @@
   SupportedRates GetSupportedRates (void) const;
   uint16_t GetListenInterval (void) const;
 
+  static TypeId GetTypeId (void);
+  virtual TypeId GetInstanceTypeId (void) const;
   static uint32_t GetUid (void);
   std::string GetName (void) const;
   void Print (std::ostream &os) const;
-  uint32_t GetSerializedSize (void) const;
-  void Serialize (Buffer::Iterator start) const;
-  uint32_t Deserialize (Buffer::Iterator start);
+  virtual uint32_t GetSerializedSize (void) const;
+  virtual void Serialize (Buffer::Iterator start) const;
+  virtual uint32_t Deserialize (Buffer::Iterator start);
 
 private:
   Ssid m_ssid;
@@ -69,12 +71,14 @@
   void SetSupportedRates (SupportedRates rates);
   void SetStatusCode (StatusCode code);
 
+  static TypeId GetTypeId (void);
+  virtual TypeId GetInstanceTypeId (void) const;
   static uint32_t GetUid (void);
   std::string GetName (void) const;
   void Print (std::ostream &os) const;
-  uint32_t GetSerializedSize (void) const;
-  void Serialize (Buffer::Iterator start) const;
-  uint32_t Deserialize (Buffer::Iterator start);
+  virtual uint32_t GetSerializedSize (void) const;
+  virtual void Serialize (Buffer::Iterator start) const;
+  virtual uint32_t Deserialize (Buffer::Iterator start);
 
 private:
   SupportedRates m_rates;
@@ -92,12 +96,14 @@
   Ssid GetSsid (void) const;
   SupportedRates GetSupportedRates (void) const;
 
+  static TypeId GetTypeId (void);
+  virtual TypeId GetInstanceTypeId (void) const;
   static uint32_t GetUid (void);
   std::string GetName (void) const;
   void Print (std::ostream &os) const;
-  uint32_t GetSerializedSize (void) const;
-  void Serialize (Buffer::Iterator start) const;
-  uint32_t Deserialize (Buffer::Iterator start);
+  virtual uint32_t GetSerializedSize (void) const;
+  virtual void Serialize (Buffer::Iterator start) const;
+  virtual uint32_t Deserialize (Buffer::Iterator start);
 private:
 
   Ssid m_ssid;
@@ -117,12 +123,14 @@
   void SetBeaconIntervalUs (uint64_t us);
   void SetSupportedRates (SupportedRates rates);
 
+  static TypeId GetTypeId (void);
+  virtual TypeId GetInstanceTypeId (void) const;
   static uint32_t GetUid (void);
   std::string GetName (void) const;
   void Print (std::ostream &os) const;
-  uint32_t GetSerializedSize (void) const;
-  void Serialize (Buffer::Iterator start) const;
-  uint32_t Deserialize (Buffer::Iterator start);
+  virtual uint32_t GetSerializedSize (void) const;
+  virtual void Serialize (Buffer::Iterator start) const;
+  virtual uint32_t Deserialize (Buffer::Iterator start);
 
 private:
   Ssid m_ssid;