wifi-default-ack-manager.h

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/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
 * Copyright (c) 2020 Universita' degli Studi di Napoli Federico II
 *
 * 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
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 *
 * Author: Stefano Avallone <stavallo@unina.it>
 */
 
#ifndef WIFI_DEFAULT_ACK_MANAGER_H
#define WIFI_DEFAULT_ACK_MANAGER_H
 
#include "wifi-ack-manager.h"
 
 
namespace ns3 {
 
class WifiTxParameters;
class WifiMacQueueItem;
 
class WifiDefaultAckManager : public WifiAckManager
{
public:
  static TypeId GetTypeId (void);
 
  WifiDefaultAckManager ();
  virtual ~WifiDefaultAckManager ();
 
  virtual std::unique_ptr<WifiAcknowledgment> TryAddMpdu (Ptr<const WifiMacQueueItem> mpdu,
                                                          const WifiTxParameters& txParams) override;
  virtual std::unique_ptr<WifiAcknowledgment> TryAggregateMsdu (Ptr<const WifiMacQueueItem> msdu,
                                                                const WifiTxParameters& txParams) override;
 
  uint16_t GetMaxDistFromStartingSeq (Ptr<const WifiMacQueueItem> mpdu,
                                      const WifiTxParameters& txParams) const;
 
protected:
  bool IsResponseNeeded (Ptr<const WifiMacQueueItem> mpdu,
                         const WifiTxParameters& txParams) const;
private:
  virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfBarBaSequence (Ptr<const WifiMacQueueItem> mpdu,
                                                                         const WifiTxParameters& txParams);
  virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfTfMuBar (Ptr<const WifiMacQueueItem> mpdu,
                                                                   const WifiTxParameters& txParams);
  virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfAggregatedMuBar (Ptr<const WifiMacQueueItem> mpdu,
                                                                           const WifiTxParameters& txParams);
 
  virtual std::unique_ptr<WifiAcknowledgment> TryUlMuTransmission (Ptr<const WifiMacQueueItem> mpdu,
                                                                   const WifiTxParameters& txParams);
 
  bool m_useExplicitBar;                    
  double m_baThreshold;                     
  WifiAcknowledgment::Method m_dlMuAckType; 
  uint8_t m_maxMcsForBlockAckInTbPpdu;      
};
 
 
 
} //namespace ns3
 
#endif /* WIFI_DEFAULT_ACK_MANAGER_H */