wifi-default-ack-manager.h

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/*
 * 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 WifiMpdu;
 
class WifiDefaultAckManager : public WifiAckManager
{
  public:
    static TypeId GetTypeId();
 
    WifiDefaultAckManager();
    ~WifiDefaultAckManager() override;
 
    std::unique_ptr<WifiAcknowledgment> TryAddMpdu(Ptr<const WifiMpdu> mpdu,
                                                   const WifiTxParameters& txParams) override;
    std::unique_ptr<WifiAcknowledgment> TryAggregateMsdu(Ptr<const WifiMpdu> msdu,
                                                         const WifiTxParameters& txParams) override;
 
    uint16_t GetMaxDistFromStartingSeq(Ptr<const WifiMpdu> mpdu,
                                       const WifiTxParameters& txParams) const;
 
  protected:
    bool IsResponseNeeded(Ptr<const WifiMpdu> mpdu, const WifiTxParameters& txParams) const;
 
    bool ExistInflightOnSameLink(Ptr<const WifiMpdu> mpdu) const;
 
  private:
    virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfBarBaSequence(
        Ptr<const WifiMpdu> mpdu,
        const WifiTxParameters& txParams);
    virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfTfMuBar(
        Ptr<const WifiMpdu> mpdu,
        const WifiTxParameters& txParams);
    virtual std::unique_ptr<WifiAcknowledgment> GetAckInfoIfAggregatedMuBar(
        Ptr<const WifiMpdu> mpdu,
        const WifiTxParameters& txParams);
 
    virtual std::unique_ptr<WifiAcknowledgment> TryUlMuTransmission(
        Ptr<const WifiMpdu> 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 */