channel switching support for wifi

src/devices/wifi/mac-low.h

 /* -*-  Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
 /*
  * Copyright (c) 2005, 2006 INRIA
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as 
  * published by the Free Software Foundation;
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 262 matching lines @@
 
 /**
  * \brief handle RTS/CTS/DATA/ACK transactions.
  */
 class MacLow : public Object {
 public:
   typedef Callback<void, Ptr<Packet> , WifiMacHeader const*> MacLowRxCallback;
 
   MacLow ();
   virtual ~MacLow ();
+
+  void SetupPhyMacLowListener (Ptr<WifiPhy> phy); 

[Mathieu Lacage, 2009/08/19 08:19:12]

make this private

[Ramon Bauza, 2009/09/08 11:36:08]

On 2009/08/19 08:19:12, Mathieu Lacage wrote:
> make this private

done.

 
   void SetPhy (Ptr<WifiPhy> phy);
   void SetWifiRemoteStationManager (Ptr<WifiRemoteStationManager> manager);
 
   void SetAddress (Mac48Address ad);
   void SetAckTimeout (Time ackTimeout);
   void SetCtsTimeout (Time ctsTimeout);
   void SetSifs (Time sifs);
   void SetSlotTime (Time slotTime);
   void SetPifs (Time pifs);
@@ skipping 56 matching lines @@
    */
   void ReceiveOk (Ptr<Packet> packet, double rxSnr, WifiMode txMode, WifiPreamble preamble);
   /**
    * \param packet packet received.
    * \param rxSnr snr of packet received.
    *
    * This method is typically invoked by the lower PHY layer to notify
    * the MAC layer that a packet was unsuccessfully received.
    */
   void ReceiveError (Ptr<const Packet> packet, double rxSnr);
+  /**
+   * \param duration switching delay duration.
+   *
+   * This method is typically invoked by the PhyMacLowListener to notify
+   * the MAC layer that a channel switching occured.
+   */
+  void NotifySwitchingStartNow (Time duration); 
 private:
   void CancelAllEvents (void);
   uint32_t GetAckSize (void) const;
   uint32_t GetRtsSize (void) const;
   uint32_t GetCtsSize (void) const;
   uint32_t GetSize (Ptr<const Packet> packet, const WifiMacHeader *hdr) const;
   Time NowUs (void) const;
   WifiRemoteStation *GetStation (Mac48Address to) const;
   void ForwardDown (Ptr<const Packet> packet, WifiMacHeader const *hdr, 
                     WifiMode txMode);
@@ skipping 58 matching lines @@
   Mac48Address m_self;
   Mac48Address m_bssid;
   Time m_ackTimeout;
   Time m_ctsTimeout;
   Time m_sifs;
   Time m_slotTime;
   Time m_pifs;
 
   Time m_lastNavStart;
   Time m_lastNavDuration;
+
+  // Listerner needed to monitor when a channel switching occurs. 
+  class PhyMacLowListener *m_phyMacLowListener; 
 };
 
 } // namespace ns3
 
 #endif /* MAC_LOW_H */