config.c

/*******************************************************************************
    OpenAirInterface
    Copyright(c) 1999 - 2014 Eurecom

    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.


    OpenAirInterface 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 OpenAirInterface.The full GNU General Public License is
    included in this distribution in the file called "COPYING". If not,
    see <http://www.gnu.org/licenses/>.

  Contact Information
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*******************************************************************************/
/*! \file config.c
 * \brief UE and eNB configuration performed by RRC or as a consequence of RRC procedures
 * \author  Navid Nikaein and Raymond Knopp
 * \date 2010 - 2014
 * \version 0.1
 * \email: navid.nikaein@eurecom.fr
 * @ingroup _mac

 */

#include "COMMON/platform_types.h"
#include "COMMON/platform_constants.h"
#include "SystemInformationBlockType2.h"
//#include "RadioResourceConfigCommonSIB.h"
#include "RadioResourceConfigDedicated.h"
#include "MeasGapConfig.h"
#include "MeasObjectToAddModList.h"
#include "TDD-Config.h"
#include "defs.h"
#include "proto.h"
#include "extern.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#ifdef Rel10
#include "MBSFN-AreaInfoList-r9.h"
#include "MBSFN-AreaInfo-r9.h"
#include "MBSFN-SubframeConfigList.h"
#include "PMCH-InfoList-r9.h"
#endif

/* sec 5.9, 36.321: MAC Reset Procedure */
void ue_mac_reset(module_id_t module_idP,uint8_t eNB_index) {

  //Resetting Bj
  UE_mac_inst[module_idP].scheduling_info.Bj[0] = 0;
  UE_mac_inst[module_idP].scheduling_info.Bj[1] = 0;
  UE_mac_inst[module_idP].scheduling_info.Bj[2] = 0;
  //Stopping all timers

  //timeAlignmentTimer expires

  // PHY changes for UE MAC reset
  mac_xface->phy_reset_ue(module_idP,eNB_index);

  // notify RRC to relase PUCCH/SRS
  // cancel all pending SRs
  UE_mac_inst[module_idP].scheduling_info.SR_pending=0;
  UE_mac_inst[module_idP].scheduling_info.SR_COUNTER=0;

  // stop ongoing RACH procedure

  // discard explicitly signaled ra_PreambleIndex and ra_RACH_MaskIndex, if any
  UE_mac_inst[module_idP].RA_prach_resources.ra_PreambleIndex  = 0; // check!
  UE_mac_inst[module_idP].RA_prach_resources.ra_RACH_MaskIndex = 0;

  ue_init_mac(module_idP); //This will hopefully do the rest of the MAC reset procedure

}

int rrc_mac_config_req(module_id_t Mod_id, eNB_flag_t eNB_flagP,uint8_t UE_id,uint8_t eNB_index,
    RadioResourceConfigCommonSIB_t  *radioResourceConfigCommon,
    struct PhysicalConfigDedicated  *physicalConfigDedicated,
    MeasObjectToAddMod_t           **measObj,
    MAC_MainConfig_t                *mac_MainConfig,
    long                             logicalChannelIdentity,
    LogicalChannelConfig_t          *logicalChannelConfig,
    MeasGapConfig_t                 *measGapConfig,
    TDD_Config_t                    *tdd_Config,
    MobilityControlInfo_t           *mobilityControlInfo,
    uint8_t                              *SIwindowsize,
    uint16_t                             *SIperiod,
    ARFCN_ValueEUTRA_t              *ul_CarrierFreq,
    long                            *ul_Bandwidth,
    AdditionalSpectrumEmission_t    *additionalSpectrumEmission,
    struct MBSFN_SubframeConfigList *mbsfn_SubframeConfigList
#ifdef Rel10
    ,uint8_t                              MBMS_Flag,
    MBSFN_AreaInfoList_r9_t         *mbsfn_AreaInfoList,
    PMCH_InfoList_r9_t              *pmch_InfoList
#endif 
#ifdef CBA
    ,uint8_t                              num_active_cba_groups,
    uint16_t                              cba_rnti
#endif
) {

  int i;

  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_MAC_CONFIG, VCD_FUNCTION_IN);

  if (eNB_flagP==0) {
      LOG_I(MAC,"[CONFIG][UE %d] Configuring MAC/PHY from eNB %d\n",Mod_id,eNB_index);
      if (tdd_Config != NULL)
        UE_mac_inst[Mod_id].tdd_Config = tdd_Config;
  }else {
      if (physicalConfigDedicated == NULL){
          LOG_I(MAC,"[CONFIG][eNB %d] Configuring MAC/PHY\n",Mod_id);
      } else{
          LOG_I(MAC,"[CONFIG][eNB %d] Configuring MAC/PHY for UE %d (%x)\n",Mod_id,UE_id,find_UE_RNTI(Mod_id,UE_id));
      }
  }

  if ((tdd_Config!=NULL)||(SIwindowsize!=NULL)||(SIperiod!=NULL)){
      if (eNB_flagP==1)
        mac_xface->phy_config_sib1_eNB(Mod_id,tdd_Config,*SIwindowsize,*SIperiod);
      else
        mac_xface->phy_config_sib1_ue(Mod_id,eNB_index,tdd_Config,*SIwindowsize,*SIperiod);
  } 

  if (radioResourceConfigCommon!=NULL) {
      if (eNB_flagP==1) {
          LOG_I(MAC,"[CONFIG]SIB2/3 Contents (partial)\n");
          LOG_I(MAC,"[CONFIG]pusch_config_common.n_SB = %ld\n",radioResourceConfigCommon->pusch_ConfigCommon.pusch_ConfigBasic.n_SB);
          LOG_I(MAC,"[CONFIG]pusch_config_common.hoppingMode = %ld\n",radioResourceConfigCommon->pusch_ConfigCommon.pusch_ConfigBasic.hoppingMode);
          LOG_I(MAC,"[CONFIG]pusch_config_common.pusch_HoppingOffset = %ld\n",  radioResourceConfigCommon->pusch_ConfigCommon.pusch_ConfigBasic.pusch_HoppingOffset);
          LOG_I(MAC,"[CONFIG]pusch_config_common.enable64QAM = %d\n",radioResourceConfigCommon->pusch_ConfigCommon.pusch_ConfigBasic.enable64QAM);
          LOG_I(MAC,"[CONFIG]pusch_config_common.groupHoppingEnabled = %d\n",radioResourceConfigCommon->pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.groupHoppingEnabled);
          LOG_I(MAC,"[CONFIG]pusch_config_common.groupAssignmentPUSCH = %ld\n",radioResourceConfigCommon->pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH);
          LOG_I(MAC,"[CONFIG]pusch_config_common.sequenceHoppingEnabled = %d\n",radioResourceConfigCommon->pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled);
          LOG_I(MAC,"[CONFIG]pusch_config_common.cyclicShift  = %ld\n",radioResourceConfigCommon->pusch_ConfigCommon.ul_ReferenceSignalsPUSCH.cyclicShift);
          mac_xface->phy_config_sib2_eNB(Mod_id,radioResourceConfigCommon,ul_CarrierFreq,ul_Bandwidth,additionalSpectrumEmission,mbsfn_SubframeConfigList);
      }
      else {
          UE_mac_inst[Mod_id].radioResourceConfigCommon = radioResourceConfigCommon;
          mac_xface->phy_config_sib2_ue(Mod_id,eNB_index,radioResourceConfigCommon,ul_CarrierFreq,ul_Bandwidth,additionalSpectrumEmission,mbsfn_SubframeConfigList);
      }
  }
  // SRB2_lchan_config->choice.explicitValue.ul_SpecificParameters->logicalChannelGroup
  if (logicalChannelConfig!= NULL) {
      if (eNB_flagP==0){
          LOG_I(MAC,"[CONFIG][UE %d] Applying RRC logicalChannelConfig from eNB%d\n",Mod_id,eNB_index);
          UE_mac_inst[Mod_id].logicalChannelConfig[logicalChannelIdentity]=logicalChannelConfig;
          UE_mac_inst[Mod_id].scheduling_info.Bj[logicalChannelIdentity]=0; // initilize the bucket for this lcid
          if (logicalChannelConfig->ul_SpecificParameters) {
              UE_mac_inst[Mod_id].scheduling_info.bucket_size[logicalChannelIdentity]=logicalChannelConfig->ul_SpecificParameters->prioritisedBitRate *
                  logicalChannelConfig->ul_SpecificParameters->bucketSizeDuration; // set the max bucket size
              UE_mac_inst[Mod_id].scheduling_info.LCGID[logicalChannelIdentity]=*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup;
              LOG_D(MAC,"[CONFIG][UE %d] LCID %d is attached to the LCGID %d\n",Mod_id,logicalChannelIdentity,*logicalChannelConfig->ul_SpecificParameters->logicalChannelGroup);
          } else {
              LOG_E(MAC,"[CONFIG][UE %d] LCID %d NULL ul_SpecificParameters\n",Mod_id,logicalChannelIdentity);
              mac_xface->macphy_exit("NULL ul_SpecificParameters");
          }
      }
  }

  if (mac_MainConfig != NULL){
      if (eNB_flagP==0){
          LOG_I(MAC,"[CONFIG][UE%d] Applying RRC macMainConfig from eNB%d\n",Mod_id,eNB_index);
          UE_mac_inst[Mod_id].macConfig=mac_MainConfig;
          UE_mac_inst[Mod_id].measGapConfig=measGapConfig;
          if (mac_MainConfig->ul_SCH_Config) {

              if (mac_MainConfig->ul_SCH_Config->periodicBSR_Timer)
                UE_mac_inst[Mod_id].scheduling_info.periodicBSR_Timer = (uint16_t) *mac_MainConfig->ul_SCH_Config->periodicBSR_Timer;
              else
                UE_mac_inst[Mod_id].scheduling_info.periodicBSR_Timer = (uint16_t) MAC_MainConfig__ul_SCH_Config__periodicBSR_Timer_infinity;

              if (mac_MainConfig->ul_SCH_Config->maxHARQ_Tx)
                UE_mac_inst[Mod_id].scheduling_info.maxHARQ_Tx     = (uint16_t) *mac_MainConfig->ul_SCH_Config->maxHARQ_Tx;
              else
                UE_mac_inst[Mod_id].scheduling_info.maxHARQ_Tx     = (uint16_t) MAC_MainConfig__ul_SCH_Config__maxHARQ_Tx_n5;
              if (mac_MainConfig->ul_SCH_Config->retxBSR_Timer)
                UE_mac_inst[Mod_id].scheduling_info.retxBSR_Timer     = (uint16_t) mac_MainConfig->ul_SCH_Config->retxBSR_Timer;
              else
                UE_mac_inst[Mod_id].scheduling_info.retxBSR_Timer     = (uint16_t)MAC_MainConfig__ul_SCH_Config__retxBSR_Timer_sf2560;
          }
#ifdef Rel10   
          if (mac_MainConfig->sr_ProhibitTimer_r9)
            UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer  = (uint16_t) *mac_MainConfig->sr_ProhibitTimer_r9;
          else
            UE_mac_inst[Mod_id].scheduling_info.sr_ProhibitTimer  = (uint16_t) 0;
#endif
          UE_mac_inst[Mod_id].scheduling_info.periodicBSR_SF  = get_sf_periodicBSRTimer(UE_mac_inst[Mod_id].scheduling_info.periodicBSR_Timer);
          UE_mac_inst[Mod_id].scheduling_info.retxBSR_SF     = get_sf_retxBSRTimer(UE_mac_inst[Mod_id].scheduling_info.retxBSR_Timer);

          UE_mac_inst[Mod_id].scheduling_info.drx_config     = mac_MainConfig->drx_Config;
          UE_mac_inst[Mod_id].scheduling_info.phr_config     = mac_MainConfig->phr_Config;
          if (mac_MainConfig->phr_Config){
              UE_mac_inst[Mod_id].PHR_state = mac_MainConfig->phr_Config->present;
              UE_mac_inst[Mod_id].PHR_reconfigured = 1;
              UE_mac_inst[Mod_id].scheduling_info.periodicPHR_Timer = mac_MainConfig->phr_Config->choice.setup.periodicPHR_Timer;
              UE_mac_inst[Mod_id].scheduling_info.prohibitPHR_Timer = mac_MainConfig->phr_Config->choice.setup.prohibitPHR_Timer;
              UE_mac_inst[Mod_id].scheduling_info.PathlossChange = mac_MainConfig->phr_Config->choice.setup.dl_PathlossChange;
          } else {
              UE_mac_inst[Mod_id].PHR_reconfigured = 0;
              UE_mac_inst[Mod_id].PHR_state = MAC_MainConfig__phr_Config_PR_setup;
              UE_mac_inst[Mod_id].scheduling_info.periodicPHR_Timer = MAC_MainConfig__phr_Config__setup__periodicPHR_Timer_sf20;
              UE_mac_inst[Mod_id].scheduling_info.prohibitPHR_Timer = MAC_MainConfig__phr_Config__setup__prohibitPHR_Timer_sf20;
              UE_mac_inst[Mod_id].scheduling_info.PathlossChange = MAC_MainConfig__phr_Config__setup__dl_PathlossChange_dB1;
          }
          UE_mac_inst[Mod_id].scheduling_info.periodicPHR_SF =  get_sf_perioidicPHR_Timer(UE_mac_inst[Mod_id].scheduling_info.periodicPHR_Timer);
          UE_mac_inst[Mod_id].scheduling_info.prohibitPHR_SF =  get_sf_prohibitPHR_Timer(UE_mac_inst[Mod_id].scheduling_info.prohibitPHR_Timer);
          UE_mac_inst[Mod_id].scheduling_info.PathlossChange_db =  get_db_dl_PathlossChange(UE_mac_inst[Mod_id].scheduling_info.PathlossChange);
          LOG_D(MAC,"[UE %d] config PHR (%d): periodic %d (SF) prohibit %d (SF)  pathlosschange %d (db) \n",
              Mod_id,mac_MainConfig->phr_Config->present,
              UE_mac_inst[Mod_id].scheduling_info.periodicPHR_SF,
              UE_mac_inst[Mod_id].scheduling_info.prohibitPHR_SF,
              UE_mac_inst[Mod_id].scheduling_info.PathlossChange_db);
      }
  }

  if (physicalConfigDedicated != NULL) {
      if (eNB_flagP==1){
          mac_xface->phy_config_dedicated_eNB(Mod_id,find_UE_RNTI(Mod_id,UE_id),physicalConfigDedicated);
      }else{
          mac_xface->phy_config_dedicated_ue(Mod_id,eNB_index,physicalConfigDedicated);
          UE_mac_inst[Mod_id].physicalConfigDedicated=physicalConfigDedicated; // for SR proc
      }
  }

  if (eNB_flagP == 0) {
      if (measObj!= NULL) {
          if (measObj[0]!= NULL){
              UE_mac_inst[Mod_id].n_adj_cells = measObj[0]->measObject.choice.measObjectEUTRA.cellsToAddModList->list.count;
              LOG_I(MAC,"Number of adjacent cells %d\n",UE_mac_inst[Mod_id].n_adj_cells);
              for (i=0;i<UE_mac_inst[Mod_id].n_adj_cells;i++) {
                  UE_mac_inst[Mod_id].adj_cell_id[i] = measObj[0]->measObject.choice.measObjectEUTRA.cellsToAddModList->list.array[i]->physCellId;
                  LOG_I(MAC,"Cell %d : Nid_cell %d\n",i,UE_mac_inst[Mod_id].adj_cell_id[i]);
              }
              mac_xface->phy_config_meas_ue(Mod_id,eNB_index,UE_mac_inst[Mod_id].n_adj_cells,UE_mac_inst[Mod_id].adj_cell_id);
          }
          /*
    if (quantityConfig != NULL) {
    	if (quantityConfig[0] != NULL) {
    		UE_mac_inst[Mod_id].quantityConfig = quantityConfig[0];
    		LOG_I(MAC,"UE %d configured filterCoeff.",UE_mac_inst[Mod_id].crnti);
    		mac_xface->phy_config_meas_ue
    	}
    }
           */
      }
  }
  if (eNB_flagP==0) {
      if(mobilityControlInfo != NULL) {

          LOG_D(MAC,"[UE%d] MAC Reset procedure triggered by RRC eNB %d \n",Mod_id,eNB_index);
          ue_mac_reset(Mod_id,eNB_index);

          if(mobilityControlInfo->radioResourceConfigCommon.rach_ConfigCommon) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->rach_ConfigCommon,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.rach_ConfigCommon,
                  sizeof(RACH_ConfigCommon_t));
          }

          memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->prach_Config.prach_ConfigInfo,
              (void *)mobilityControlInfo->radioResourceConfigCommon.prach_Config.prach_ConfigInfo,
              sizeof(PRACH_ConfigInfo_t));
          UE_mac_inst[Mod_id].radioResourceConfigCommon->prach_Config.rootSequenceIndex = mobilityControlInfo->radioResourceConfigCommon.prach_Config.rootSequenceIndex;

          if(mobilityControlInfo->radioResourceConfigCommon.pdsch_ConfigCommon) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->pdsch_ConfigCommon,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.pdsch_ConfigCommon,
                  sizeof(PDSCH_ConfigCommon_t));
          }
          // not a pointer: mobilityControlInfo->radioResourceConfigCommon.pusch_ConfigCommon
          memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->pusch_ConfigCommon,
              (void *)&mobilityControlInfo->radioResourceConfigCommon.pusch_ConfigCommon,
              sizeof(PUSCH_ConfigCommon_t));

          if(mobilityControlInfo->radioResourceConfigCommon.phich_Config) {
              /* memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->phich_Config,
	   (void *)mobilityControlInfo->radioResourceConfigCommon.phich_Config,
	   sizeof(PHICH_Config_t)); */
          }
          if(mobilityControlInfo->radioResourceConfigCommon.pucch_ConfigCommon) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->pucch_ConfigCommon,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.pucch_ConfigCommon,
                  sizeof(PUCCH_ConfigCommon_t));
          }
          if(mobilityControlInfo->radioResourceConfigCommon.soundingRS_UL_ConfigCommon) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->soundingRS_UL_ConfigCommon,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.soundingRS_UL_ConfigCommon,
                  sizeof(SoundingRS_UL_ConfigCommon_t));
          }
          if(mobilityControlInfo->radioResourceConfigCommon.uplinkPowerControlCommon) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->uplinkPowerControlCommon,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.uplinkPowerControlCommon,
                  sizeof(UplinkPowerControlCommon_t));
          }
          //configure antennaInfoCommon somewhere here..
          if(mobilityControlInfo->radioResourceConfigCommon.p_Max) {
              //to be configured
          }
          if(mobilityControlInfo->radioResourceConfigCommon.tdd_Config) {
              UE_mac_inst[Mod_id].tdd_Config = mobilityControlInfo->radioResourceConfigCommon.tdd_Config;
          }
          if(mobilityControlInfo->radioResourceConfigCommon.ul_CyclicPrefixLength) {
              memcpy((void *)&UE_mac_inst[Mod_id].radioResourceConfigCommon->ul_CyclicPrefixLength,
                  (void *)mobilityControlInfo->radioResourceConfigCommon.ul_CyclicPrefixLength,
                  sizeof(UL_CyclicPrefixLength_t));
          }
          // store the previous rnti in case of failure, and set thenew rnti
          UE_mac_inst[Mod_id].crnti_before_ho = UE_mac_inst[Mod_id].crnti;
          UE_mac_inst[Mod_id].crnti = ((mobilityControlInfo->newUE_Identity.buf[0])|(mobilityControlInfo->newUE_Identity.buf[1]<<8));
          LOG_I(MAC,"[UE %d] Received new identity %x from %d\n", Mod_id, UE_mac_inst[Mod_id].crnti, eNB_index);
          UE_mac_inst[Mod_id].rach_ConfigDedicated = malloc(sizeof(*mobilityControlInfo->rach_ConfigDedicated));
          if (mobilityControlInfo->rach_ConfigDedicated){
              memcpy((void*)UE_mac_inst[Mod_id].rach_ConfigDedicated,
                  (void*)mobilityControlInfo->rach_ConfigDedicated,
                  sizeof(*mobilityControlInfo->rach_ConfigDedicated));
          }
          mac_xface->phy_config_afterHO_ue(Mod_id,eNB_index,mobilityControlInfo,0);
      }
  }

  if (mbsfn_SubframeConfigList != NULL) {
      if (eNB_flagP == 1) {
          LOG_I(MAC,"[eNB %d][CONFIG] Received %d subframe allocation pattern for MBSFN\n", Mod_id, mbsfn_SubframeConfigList->list.count);
          eNB_mac_inst[Mod_id].num_sf_allocation_pattern= mbsfn_SubframeConfigList->list.count;
          for (i=0; i<mbsfn_SubframeConfigList->list.count; i++) {
              eNB_mac_inst[Mod_id].mbsfn_SubframeConfig[i] = mbsfn_SubframeConfigList->list.array[i];
              LOG_I(MAC, "[eNB %d][CONFIG] MBSFN_SubframeConfig[%d] pattern is  %x\n", Mod_id, i,
                  eNB_mac_inst[Mod_id].mbsfn_SubframeConfig[i]->subframeAllocation.choice.oneFrame.buf[0]);
          }
#ifdef Rel10
          eNB_mac_inst[Mod_id].MBMS_flag = MBMS_Flag;
#endif
      }
      else { // UE
          LOG_I(MAC,"[UE %d][CONFIG] Received %d subframe allocation pattern for MBSFN\n", Mod_id, mbsfn_SubframeConfigList->list.count);
          UE_mac_inst[Mod_id].num_sf_allocation_pattern= mbsfn_SubframeConfigList->list.count;
          for (i=0; i<mbsfn_SubframeConfigList->list.count; i++) {
              LOG_I(MAC, "[UE %d] Configuring MBSFN_SubframeConfig %d from received SIB2 \n", Mod_id, i);
              UE_mac_inst[Mod_id].mbsfn_SubframeConfig[i] = mbsfn_SubframeConfigList->list.array[i];
              //	LOG_I("[UE %d] MBSFN_SubframeConfig[%d] pattern is  %ld\n", Mod_id,
              //    UE_mac_inst[Mod_id].mbsfn_SubframeConfig[i]->subframeAllocation.choice.oneFrame.buf[0]);
          }
      }
  }

#ifdef Rel10
  if (mbsfn_AreaInfoList != NULL) {
      if (eNB_flagP == 1) {
          // One eNB could be part of multiple mbsfn syc area, this could change over time so reset each time
          LOG_I(MAC,"[eNB %d][CONFIG] Received %d MBSFN Area Info\n", Mod_id, mbsfn_AreaInfoList->list.count);
          eNB_mac_inst[Mod_id].num_active_mbsfn_area = mbsfn_AreaInfoList->list.count;
          for (i =0; i< mbsfn_AreaInfoList->list.count; i++) {
              eNB_mac_inst[Mod_id].mbsfn_AreaInfo[i] = mbsfn_AreaInfoList->list.array[i];
              LOG_I(MAC,"[eNB %d][CONFIG] MBSFN_AreaInfo[%d]: MCCH Repetition Period = %ld\n", Mod_id,i,
                  eNB_mac_inst[Mod_id].mbsfn_AreaInfo[i]->mcch_Config_r9.mcch_RepetitionPeriod_r9);
              mac_xface->phy_config_sib13_eNB(Mod_id,i,eNB_mac_inst[Mod_id].mbsfn_AreaInfo[i]->mbsfn_AreaId_r9);
          }
      }
      else {  // UE
          LOG_I(MAC,"[UE %d][CONFIG] Received %d MBSFN Area Info\n", Mod_id, mbsfn_AreaInfoList->list.count);
          UE_mac_inst[Mod_id].num_active_mbsfn_area = mbsfn_AreaInfoList->list.count;
          for (i =0; i< mbsfn_AreaInfoList->list.count; i++) {
              UE_mac_inst[Mod_id].mbsfn_AreaInfo[i] = mbsfn_AreaInfoList->list.array[i];
              LOG_I(MAC,"[UE %d] MBSFN_AreaInfo[%d]: MCCH Repetition Period = %ld\n",Mod_id, i,
                  UE_mac_inst[Mod_id].mbsfn_AreaInfo[i]->mcch_Config_r9.mcch_RepetitionPeriod_r9);
              mac_xface->phy_config_sib13_ue(Mod_id,eNB_index,i,UE_mac_inst[Mod_id].mbsfn_AreaInfo[i]->mbsfn_AreaId_r9);
          }
      }
  }


  if (pmch_InfoList != NULL) {

      //    LOG_I(MAC,"DUY: lcid when entering rrc_mac config_req is %02d\n",(pmch_InfoList->list.array[0]->mbms_SessionInfoList_r9.list.array[0]->logicalChannelIdentity_r9));

      if (eNB_flagP == 1) {

          LOG_I(MAC, "[CONFIG] Number of PMCH in this MBSFN Area %d\n", pmch_InfoList->list.count);

          for (i =0; i< pmch_InfoList->list.count; i++) {
              eNB_mac_inst[Mod_id].pmch_Config[i] = &pmch_InfoList->list.array[i]->pmch_Config_r9;

              LOG_I(MAC, "[CONFIG] PMCH[%d]: This PMCH stop at subframe  %ldth\n", i,
                  eNB_mac_inst[Mod_id].pmch_Config[i]->sf_AllocEnd_r9);
              LOG_I(MAC, "[CONFIG] PMCH[%d]: mch_Scheduling_Period = %ld\n", i,
                  eNB_mac_inst[Mod_id].pmch_Config[i]->mch_SchedulingPeriod_r9);
              LOG_I(MAC, "[CONFIG] PMCH[%d]: dataMCS = %ld\n", i,
                  eNB_mac_inst[Mod_id].pmch_Config[i]->dataMCS_r9);

              // MBMS session info list in each MCH
              eNB_mac_inst[Mod_id].mbms_SessionList[i] = &pmch_InfoList->list.array[i]->mbms_SessionInfoList_r9;
              LOG_I(MAC, "PMCH[%d] Number of session (MTCH) is: %d\n",i, eNB_mac_inst[Mod_id].mbms_SessionList[i]->list.count);
          }
      }
      else { // UE
          LOG_I(MAC, "[UE %d] Configuring PMCH_config from MCCH MESSAGE \n",Mod_id);
          for (i =0; i< pmch_InfoList->list.count; i++) {
              UE_mac_inst[Mod_id].pmch_Config[i] = &pmch_InfoList->list.array[i]->pmch_Config_r9;
              LOG_I(MAC, "[UE %d] PMCH[%d]: MCH_Scheduling_Period = %ld\n", Mod_id, i,
                  UE_mac_inst[Mod_id].pmch_Config[i]->mch_SchedulingPeriod_r9);
          }
          UE_mac_inst[Mod_id].mcch_status = 1;
      }
  }

#endif
#ifdef CBA
  if (eNB_flagP == 0){
      if (cba_rnti) {
          UE_mac_inst[Mod_id].cba_rnti[num_active_cba_groups-1] = cba_rnti;
          LOG_D(MAC,"[UE %d] configure CBA group %d RNTI %x for eNB %d (total active cba group %d)\n",
              Mod_id,Mod_id%num_active_cba_groups, cba_rnti,eNB_index,num_active_cba_groups);
          mac_xface->phy_config_cba_rnti(Mod_id,eNB_flagP,eNB_index,cba_rnti,num_active_cba_groups-1, num_active_cba_groups);
      }
  }else {
      if (cba_rnti) {
          LOG_D(MAC,"[eNB %d] configure CBA RNTI for UE  %d (total active cba groups %d)\n",
              Mod_id, UE_id, num_active_cba_groups);
          eNB_mac_inst[Mod_id].num_active_cba_groups=num_active_cba_groups;
          for (i=0; i < num_active_cba_groups; i ++){
              if (eNB_mac_inst[Mod_id].cba_rnti[i] != cba_rnti + i)
                eNB_mac_inst[Mod_id].cba_rnti[i] = cba_rnti + i;
              //only configure UE ids up to num_active_cba_groups
              //we use them as candidates for the transmission of dci format0)
              if (UE_id%num_active_cba_groups == i){
                  mac_xface->phy_config_cba_rnti(Mod_id,eNB_flagP,UE_id,cba_rnti + i,i,num_active_cba_groups );
                  LOG_D(MAC,"[eNB %d] configure CBA groups %d with RNTI %x for UE  %d (total active cba groups %d)\n",
                      Mod_id, i, eNB_mac_inst[Mod_id].cba_rnti[i],UE_id, num_active_cba_groups);
              }
          }
      }
  }

#endif
  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_MAC_CONFIG, VCD_FUNCTION_OUT);

  return(0);
}