--- a/src/wifi/model/yans-wifi-phy.h	Fri Jun 06 10:11:35 2014 -0700
+++ b/src/wifi/model/yans-wifi-phy.h	Fri Jun 06 10:15:54 2014 -0700
@@ -261,6 +261,7 @@
   virtual uint32_t GetNModes (void) const;
   virtual WifiMode GetMode (uint32_t mode) const;
   virtual bool IsModeSupported (WifiMode mode) const;
+  virtual bool IsMcsSupported (WifiMode mode);
   virtual double CalculateSnr (WifiMode txMode, double ber) const;
   virtual Ptr<WifiChannel> GetChannel (void) const;