24 #include <stdint.h>

    24 #include <stdint.h>

    25 #include "ns3/callback.h"

    25 #include "ns3/callback.h"

    26 #include "ns3/packet.h"

    26 #include "ns3/packet.h"

    27 #include "ns3/callback-trace-source.h"

    27 #include "ns3/callback-trace-source.h"

    28 #include "ns3/nstime.h"

    28 #include "ns3/nstime.h"

    29 #include "wifi-mac-header.h"

    30 #include "wifi-mac-header.h"

    30 #include "wifi-mode.h"

    31 #include "wifi-mode.h"

    31 

    32 

    32 namespace ns3 {

    33 namespace ns3 {

    33 

    34 

    59  * it has been retransmitted up until the ssrc or slrc thresholds.

    60  * it has been retransmitted up until the ssrc or slrc thresholds.

    60  *

    61  *

    61  * The rts/cts policy is similar to the fragmentation policy: when

    62  * The rts/cts policy is similar to the fragmentation policy: when

    62  * a packet is bigger than a threshold, the rts/cts protocol is used.

    63  * a packet is bigger than a threshold, the rts/cts protocol is used.

    63  */

    64  */

    65 {

    66 {

    66 public:

    67 public:

    67   typedef Callback <void, WifiMacHeader const&> TxOk;

    68   typedef Callback <void, WifiMacHeader const&> TxOk;

    68   typedef Callback <void, WifiMacHeader const&> TxFailed;

    69   typedef Callback <void, WifiMacHeader const&> TxFailed;

    69 

    70 

    78    * \valueref{WifiRtsCtsThreshold}, and, \valueref{WifiFragmentationThreshold}.

    79    * \valueref{WifiRtsCtsThreshold}, and, \valueref{WifiFragmentationThreshold}.

    79    */

    80    */

    80   DcaTxop (uint32_t cwMin, uint32_t cwMax, uint32_t aifsn, DcfManager *manager);

    81   DcaTxop (uint32_t cwMin, uint32_t cwMax, uint32_t aifsn, DcfManager *manager);

    81   ~DcaTxop ();

    82   ~DcaTxop ();

    82 

    83 

    84   void SetParameters (MacParameters *parameters);

    85   void SetParameters (MacParameters *parameters);

    85   void SetStations (MacStations *stations);

    86   void SetStations (MacStations *stations);

    86   void SetTxMiddle (MacTxMiddle *txMiddle);

    87   void SetTxMiddle (MacTxMiddle *txMiddle);

    87   /**

    88   /**

    88    * \param callback the callback to invoke when a 

    89    * \param callback the callback to invoke when a 

   113   class PhyListener;

   114   class PhyListener;

   114   class Dcf;

   115   class Dcf;

   115   friend class Dcf;

   116   friend class Dcf;

   116   friend class TransmissionListener;

   117   friend class TransmissionListener;

   117 

   118 

   119   MacParameters *Parameters (void);

   122   MacParameters *Parameters (void);

   120 

   123 

   121   /* dcf notifications forwarded here */

   124   /* dcf notifications forwarded here */

   122   bool NeedsAccess (void) const;

   125   bool NeedsAccess (void) const;

   123   void NotifyAccessGranted (void);

   126   void NotifyAccessGranted (void);

   149   DcfManager *m_manager;

   152   DcfManager *m_manager;

   150   TxOk m_txOkCallback;

   153   TxOk m_txOkCallback;

   151   TxFailed m_txFailedCallback;

   154   TxFailed m_txFailedCallback;

   152   WifiMacQueue *m_queue;

   155   WifiMacQueue *m_queue;

   153   MacTxMiddle *m_txMiddle;

   156   MacTxMiddle *m_txMiddle;

   155   MacStations *m_stations;

   158   MacStations *m_stations;

   156   MacParameters *m_parameters;

   159   MacParameters *m_parameters;

   157   TransmissionListener *m_transmissionListener;

   160   TransmissionListener *m_transmissionListener;

   158   RandomStream *m_rng;

   161   RandomStream *m_rng;

   159   

   162