lte-enb-mac.h

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/*
 * Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
 *
 * 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: Marco Miozzo  <marco.miozzo@cttc.es>
 *         Nicola Baldo  <nbaldo@cttc.es>
 * Modified by:
 *          Danilo Abrignani <danilo.abrignani@unibo.it> (Carrier Aggregation - GSoC 2015)
 *          Biljana Bojovic <biljana.bojovic@cttc.es> (Carrier Aggregation)
 */
 
#ifndef LTE_ENB_MAC_H
#define LTE_ENB_MAC_H
 
#include "ff-mac-csched-sap.h"
#include "ff-mac-sched-sap.h"
#include "lte-ccm-mac-sap.h"
#include "lte-common.h"
#include "lte-enb-cmac-sap.h"
#include "lte-enb-phy-sap.h"
#include "lte-mac-sap.h"
 
#include <ns3/nstime.h>
#include <ns3/packet-burst.h>
#include <ns3/packet.h>
#include <ns3/trace-source-accessor.h>
#include <ns3/traced-value.h>
 
#include <map>
#include <vector>
 
namespace ns3
{
 
class DlCqiLteControlMessage;
class UlCqiLteControlMessage;
class PdcchMapLteControlMessage;
 
typedef std::vector<std::vector<Ptr<PacketBurst>>> DlHarqProcessesBuffer_t;
 
class LteEnbMac : public Object
{
    friend class EnbMacMemberLteEnbCmacSapProvider;
    friend class EnbMacMemberLteMacSapProvider<LteEnbMac>;
    friend class EnbMacMemberFfMacSchedSapUser;
    friend class EnbMacMemberFfMacCschedSapUser;
    friend class EnbMacMemberLteEnbPhySapUser;
    friend class MemberLteCcmMacSapProvider<LteEnbMac>;
 
  public:
    static TypeId GetTypeId();
 
    LteEnbMac();
    ~LteEnbMac() override;
    void DoDispose() override;
 
    void SetComponentCarrierId(uint8_t index);
    void SetFfMacSchedSapProvider(FfMacSchedSapProvider* s);
    FfMacSchedSapUser* GetFfMacSchedSapUser();
    void SetFfMacCschedSapProvider(FfMacCschedSapProvider* s);
    FfMacCschedSapUser* GetFfMacCschedSapUser();
 
    void SetLteMacSapUser(LteMacSapUser* s);
    LteMacSapProvider* GetLteMacSapProvider();
    void SetLteEnbCmacSapUser(LteEnbCmacSapUser* s);
    LteEnbCmacSapProvider* GetLteEnbCmacSapProvider();
 
    LteEnbPhySapUser* GetLteEnbPhySapUser();
 
    void SetLteEnbPhySapProvider(LteEnbPhySapProvider* s);
 
    LteCcmMacSapProvider* GetLteCcmMacSapProvider();
 
    void SetLteCcmMacSapUser(LteCcmMacSapUser* s);
 
    typedef void (*DlSchedulingTracedCallback)(const uint32_t frame,
                                               const uint32_t subframe,
                                               const uint16_t rnti,
                                               const uint8_t mcs0,
                                               const uint16_t tbs0Size,
                                               const uint8_t mcs1,
                                               const uint16_t tbs1Size,
                                               const uint8_t ccId);
 
    typedef void (*UlSchedulingTracedCallback)(const uint32_t frame,
                                               const uint32_t subframe,
                                               const uint16_t rnti,
                                               const uint8_t mcs,
                                               const uint16_t tbsSize);
 
  private:
    void ReceiveDlCqiLteControlMessage(Ptr<DlCqiLteControlMessage> msg);
 
    void DoReceiveLteControlMessage(Ptr<LteControlMessage> msg);
 
    void ReceiveBsrMessage(MacCeListElement_s bsr);
 
    void DoUlCqiReport(FfMacSchedSapProvider::SchedUlCqiInfoReqParameters ulcqi);
 
    // forwarded from LteEnbCmacSapProvider
    void DoConfigureMac(uint16_t ulBandwidth, uint16_t dlBandwidth);
    void DoAddUe(uint16_t rnti);
    void DoRemoveUe(uint16_t rnti);
    void DoAddLc(LteEnbCmacSapProvider::LcInfo lcinfo, LteMacSapUser* msu);
    void DoReconfigureLc(LteEnbCmacSapProvider::LcInfo lcinfo);
    void DoReleaseLc(uint16_t rnti, uint8_t lcid);
    void DoUeUpdateConfigurationReq(LteEnbCmacSapProvider::UeConfig params);
    LteEnbCmacSapProvider::RachConfig DoGetRachConfig() const;
    LteEnbCmacSapProvider::AllocateNcRaPreambleReturnValue DoAllocateNcRaPreamble(uint16_t rnti);
 
    // forwarded from LteMacSapProvider
    void DoTransmitPdu(LteMacSapProvider::TransmitPduParameters params);
    void DoReportBufferStatus(LteMacSapProvider::ReportBufferStatusParameters params);
 
    // forwarded from FfMacCchedSapUser
    void DoCschedCellConfigCnf(FfMacCschedSapUser::CschedCellConfigCnfParameters params);
    void DoCschedUeConfigCnf(FfMacCschedSapUser::CschedUeConfigCnfParameters params);
    void DoCschedLcConfigCnf(FfMacCschedSapUser::CschedLcConfigCnfParameters params);
    void DoCschedLcReleaseCnf(FfMacCschedSapUser::CschedLcReleaseCnfParameters params);
    void DoCschedUeReleaseCnf(FfMacCschedSapUser::CschedUeReleaseCnfParameters params);
    void DoCschedUeConfigUpdateInd(FfMacCschedSapUser::CschedUeConfigUpdateIndParameters params);
    void DoCschedCellConfigUpdateInd(
        FfMacCschedSapUser::CschedCellConfigUpdateIndParameters params);
 
    // forwarded from FfMacSchedSapUser
    void DoSchedDlConfigInd(FfMacSchedSapUser::SchedDlConfigIndParameters ind);
    void DoSchedUlConfigInd(FfMacSchedSapUser::SchedUlConfigIndParameters params);
 
    // forwarded from LteEnbPhySapUser
    void DoSubframeIndication(uint32_t frameNo, uint32_t subframeNo);
    void DoReceiveRachPreamble(uint8_t prachId);
 
    // forwarded by LteCcmMacSapProvider
    void DoReportMacCeToScheduler(MacCeListElement_s bsr);
 
    void DoReportSrToScheduler(uint16_t rnti [[maybe_unused]])
    {
    }
 
  public:
    void DoReceivePhyPdu(Ptr<Packet> p);
 
  private:
    void DoUlInfoListElementHarqFeedback(UlInfoListElement_s params);
    void DoDlInfoListElementHarqFeedback(DlInfoListElement_s params);
 
    std::map<uint16_t, std::map<uint8_t, LteMacSapUser*>> m_rlcAttached;
 
    std::vector<CqiListElement_s> m_dlCqiReceived; 
    std::vector<FfMacSchedSapProvider::SchedUlCqiInfoReqParameters>
        m_ulCqiReceived;                            
    std::vector<MacCeListElement_s> m_ulCeReceived; 
 
    std::vector<DlInfoListElement_s> m_dlInfoListReceived; 
 
    std::vector<UlInfoListElement_s> m_ulInfoListReceived; 
 
    /*
     * Map of UE's info element (see 4.3.12 of FF MAC Scheduler API)
     */
    // std::map <uint16_t,UlInfoListElement_s> m_ulInfoListElements;
 
    LteMacSapProvider* m_macSapProvider;      
    LteEnbCmacSapProvider* m_cmacSapProvider; 
    LteMacSapUser* m_macSapUser;              
    LteEnbCmacSapUser* m_cmacSapUser;         
 
    FfMacSchedSapProvider* m_schedSapProvider;   
    FfMacCschedSapProvider* m_cschedSapProvider; 
    FfMacSchedSapUser* m_schedSapUser;           
    FfMacCschedSapUser* m_cschedSapUser;         
 
    // PHY-SAP
    LteEnbPhySapProvider* m_enbPhySapProvider; 
    LteEnbPhySapUser* m_enbPhySapUser;         
 
    // Sap For ComponentCarrierManager 'Uplink case'
    LteCcmMacSapProvider* m_ccmMacSapProvider; 
    LteCcmMacSapUser* m_ccmMacSapUser;         
    uint32_t m_frameNo;
    uint32_t m_subframeNo;
    TracedCallback<DlSchedulingCallbackInfo> m_dlScheduling;
 
    TracedCallback<uint32_t, uint32_t, uint16_t, uint8_t, uint16_t, uint8_t> m_ulScheduling;
 
    uint8_t m_macChTtiDelay; 
 
    std::map<uint16_t, DlHarqProcessesBuffer_t>
        m_miDlHarqProcessesPackets; 
 
    uint8_t m_numberOfRaPreambles;  
    uint8_t m_preambleTransMax;     
    uint8_t m_raResponseWindowSize; 
    uint8_t m_connEstFailCount;     
 
    struct NcRaPreambleInfo
    {
        uint16_t rnti;   
        Time expiryTime; 
    };
 
    std::map<uint8_t, NcRaPreambleInfo> m_allocatedNcRaPreambleMap;
 
    std::map<uint8_t, uint32_t> m_receivedRachPreambleCount; 
 
    std::map<uint16_t, uint32_t> m_rapIdRntiMap; 
 
    uint8_t m_componentCarrierId;
};
 
} // end namespace ns3
 
#endif /* LTE_ENB_MAC_ENTITY_H */