nr-mac-sap.h

// Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
//
// SPDX-License-Identifier: GPL-2.0-only
//
// Author: Nicola Baldo <nbaldo@cttc.es>
 
#ifndef NR_MAC_SAP_H
#define NR_MAC_SAP_H
 
#include "ns3/packet.h"
 
namespace ns3
{
 
class NrMacSapProvider
{
  public:
    virtual ~NrMacSapProvider() = default;
 
    struct TransmitPduParameters
    {
        Ptr<Packet> pdu; 
        uint16_t rnti;   
        uint8_t lcid;    
        uint8_t layer;   
        uint8_t harqProcessId; 
        uint8_t componentCarrierId; 
    };
 
    virtual void TransmitPdu(TransmitPduParameters params) = 0;
 
    struct ReportBufferStatusParameters
    {
        uint16_t rnti; 
        uint8_t lcid;  
        uint32_t txQueueSize;     
        uint16_t txQueueHolDelay; 
        uint32_t retxQueueSize;   
        uint16_t retxQueueHolDelay; 
        uint16_t
            statusPduSize; 
        bool expRbsTimer;
    };
 
    virtual void ReportBufferStatus(ReportBufferStatusParameters params) = 0;
};
 
class NrMacSapUser
{
  public:
    virtual ~NrMacSapUser() = default;
 
    struct TxOpportunityParameters
    {
        TxOpportunityParameters(uint32_t bytes,
                                uint8_t layer,
                                uint8_t harqId,
                                uint8_t ccId,
                                uint16_t rnti,
                                uint8_t lcId)
        {
            this->bytes = bytes;
            this->layer = layer;
            this->harqId = harqId;
            this->componentCarrierId = ccId;
            this->rnti = rnti;
            this->lcid = lcId;
        }
 
        TxOpportunityParameters()
        {
        }
 
        uint32_t bytes;             
        uint8_t layer;              
        uint8_t harqId;             
        uint8_t componentCarrierId; 
        uint16_t rnti;              
        uint8_t lcid;               
    };
 
    virtual void NotifyTxOpportunity(TxOpportunityParameters params) = 0;
 
    virtual void NotifyHarqDeliveryFailure() = 0;
 
    struct ReceivePduParameters
    {
        ReceivePduParameters()
        {
        }
 
        ReceivePduParameters(const Ptr<Packet>& p, uint16_t rnti, uint8_t lcid)
        {
            this->p = p;
            this->rnti = rnti;
            this->lcid = lcid;
        }
 
        Ptr<Packet> p; 
        uint16_t rnti; 
        uint8_t lcid;  
    };
 
    virtual void ReceivePdu(ReceivePduParameters params) = 0;
};
 
template <class C>
class GnbMacMemberNrMacSapProvider : public NrMacSapProvider
{
  public:
    GnbMacMemberNrMacSapProvider(C* mac);
 
    // inherited from NrMacSapProvider
    void TransmitPdu(TransmitPduParameters params) override;
    void ReportBufferStatus(ReportBufferStatusParameters params) override;
 
  private:
    C* m_mac; 
};
 
template <class C>
GnbMacMemberNrMacSapProvider<C>::GnbMacMemberNrMacSapProvider(C* mac)
    : m_mac(mac)
{
}
 
template <class C>
void
GnbMacMemberNrMacSapProvider<C>::TransmitPdu(TransmitPduParameters params)
{
    m_mac->DoTransmitPdu(params);
}
 
template <class C>
void
GnbMacMemberNrMacSapProvider<C>::ReportBufferStatus(ReportBufferStatusParameters params)
{
    m_mac->DoReportBufferStatus(params);
}
 
} // namespace ns3
 
#endif // NR_MAC_SAP_H