--- a/src/devices/wifi/dca-txop.h	Wed Dec 12 09:33:22 2007 +0100
+++ b/src/devices/wifi/dca-txop.h	Wed Dec 12 12:03:38 2007 +0100
@@ -38,6 +38,7 @@
 class MacParameters;
 class MacTxMiddle;
 class RandomStream;
+class MacStations;
 
 /**
  * \brief handle packet fragmentation and retransmissions.
@@ -80,6 +81,7 @@
 
   void SetLow (MacLow *low);
   void SetParameters (MacParameters *parameters);
+  void SetStations (MacStations *stations);
   void SetTxMiddle (MacTxMiddle *txMiddle);
   /**
    * \param callback the callback to invoke when a 
@@ -147,6 +149,7 @@
   WifiMacQueue *m_queue;
   MacTxMiddle *m_txMiddle;
   MacLow *m_low;
+  MacStations *m_stations;
   MacParameters *m_parameters;
   TransmissionListener *m_transmissionListener;
   RandomStream *m_rng;