/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

/*
  gnb_config.c
  -------------------
  AUTHOR  : Lionel GAUTHIER, navid nikaein, Laurent Winckel, WEI-TAI CHEN
  COMPANY : EURECOM, NTUST
  EMAIL   : Lionel.Gauthier@eurecom.fr, navid.nikaein@eurecom.fr, kroempa@gmail.com
*/

#include <string.h>
#include <inttypes.h>

#include "common/utils/LOG/log.h"
#include "common/utils/nr/nr_common.h"
#include "common/utils/LOG/log_extern.h"
#include "assertions.h"
#include "executables/softmodem-common.h"
#include "gnb_config.h"
#include "gnb_paramdef.h"
#include "enb_paramdef.h"
#include "UTIL/OTG/otg.h"
#include "UTIL/OTG/otg_externs.h"
#include "intertask_interface.h"
#include "s1ap_eNB.h"
#include "ngap_gNB.h"
#include "sctp_eNB_task.h"
#include "sctp_default_values.h"
#include "F1AP_CauseRadioNetwork.h"
// #include "SystemInformationBlockType2.h"
// #include "LAYER2/MAC/extern.h"
// #include "LAYER2/MAC/proto.h"
#include "PHY/INIT/phy_init.h"
#include "radio/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
#include "nfapi_vnf.h"
#include "nfapi_pnf.h"

//#include "L1_paramdef.h"
#include "prs_nr_paramdef.h"
#include "L1_nr_paramdef.h"
#include "MACRLC_nr_paramdef.h"
#include "common/config/config_userapi.h"
//#include "RRC_config_tools.h"
#include "gnb_paramdef.h"
#include "NR_MAC_gNB/mac_proto.h"
#include <openair3/ocp-gtpu/gtp_itf.h>

#include "NR_asn_constant.h"
#include "executables/thread-common.h"
#include "NR_SCS-SpecificCarrier.h"
#include "NR_TDD-UL-DL-ConfigCommon.h"
#include "NR_FrequencyInfoUL.h"
#include "NR_RACH-ConfigGeneric.h"
#include "NR_RACH-ConfigCommon.h"
#include "NR_PUSCH-TimeDomainResourceAllocation.h"
#include "NR_PUSCH-ConfigCommon.h"
#include "NR_PUCCH-ConfigCommon.h"
#include "NR_PDSCH-TimeDomainResourceAllocation.h"
#include "NR_PDSCH-ConfigCommon.h"
#include "NR_RateMatchPattern.h"
#include "NR_RateMatchPatternLTE-CRS.h"
#include "NR_SearchSpace.h"
#include "NR_ControlResourceSet.h"
#include "NR_EUTRA-MBSFN-SubframeConfig.h"

#include "RRC/NR/MESSAGES/asn1_msg.h"
#include "RRC/NR/nr_rrc_extern.h"
#include "openair2/LAYER2/nr_pdcp/nr_pdcp.h"

extern uint16_t sf_ahead;
int macrlc_has_f1 = 0;

static ngran_node_t get_node_type(void);

extern int config_check_band_frequencies(int ind, int16_t band, uint64_t downlink_frequency,
                                         int32_t uplink_frequency_offset, uint32_t  frame_type);

void prepare_scc(NR_ServingCellConfigCommon_t *scc) {

  NR_FreqBandIndicatorNR_t                        *dl_frequencyBandList,*ul_frequencyBandList;
  struct NR_SCS_SpecificCarrier                   *dl_scs_SpecificCarrierList,*ul_scs_SpecificCarrierList;
  //  struct NR_RateMatchPattern                      *ratematchpattern;
  //  NR_RateMatchPatternId_t                         *ratematchpatternid;
  //  NR_TCI_StateId_t                                *TCI_StateId;
  //  struct NR_ControlResourceSet                    *bwp_dl_controlresourceset;
  //  NR_SearchSpace_t                                *bwp_dl_searchspace;

  scc->physCellId                                = CALLOC(1,sizeof(NR_PhysCellId_t));
  scc->downlinkConfigCommon                      = CALLOC(1,sizeof(struct NR_DownlinkConfigCommon));
  scc->downlinkConfigCommon->frequencyInfoDL     = CALLOC(1,sizeof(struct NR_FrequencyInfoDL));
  scc->downlinkConfigCommon->initialDownlinkBWP  = CALLOC(1,sizeof(struct NR_BWP_DownlinkCommon));
  scc->uplinkConfigCommon                        = CALLOC(1,sizeof(struct NR_UplinkConfigCommon));
  scc->uplinkConfigCommon->frequencyInfoUL       = CALLOC(1,sizeof(struct NR_FrequencyInfoUL));
  scc->uplinkConfigCommon->initialUplinkBWP      = CALLOC(1,sizeof(struct NR_BWP_UplinkCommon));
  //scc->supplementaryUplinkConfig       = CALLOC(1,sizeof(struct NR_UplinkConfigCommon));  
  scc->ssb_PositionsInBurst                      = CALLOC(1,sizeof(struct NR_ServingCellConfigCommon__ssb_PositionsInBurst));
  scc->ssb_periodicityServingCell                = CALLOC(1,sizeof(long));
  //  scc->rateMatchPatternToAddModList              = CALLOC(1,sizeof(struct NR_ServingCellConfigCommon__rateMatchPatternToAddModList));
  //  scc->rateMatchPatternToReleaseList             = CALLOC(1,sizeof(struct NR_ServingCellConfigCommon__rateMatchPatternToReleaseList));
  scc->ssbSubcarrierSpacing                      = CALLOC(1,sizeof(NR_SubcarrierSpacing_t));
  scc->tdd_UL_DL_ConfigurationCommon             = CALLOC(1,sizeof(struct NR_TDD_UL_DL_ConfigCommon));
  scc->tdd_UL_DL_ConfigurationCommon->pattern2   = CALLOC(1,sizeof(struct NR_TDD_UL_DL_Pattern));
  
  scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB     = CALLOC(1,sizeof(NR_ARFCN_ValueNR_t));
  
  dl_frequencyBandList              = CALLOC(1,sizeof(NR_FreqBandIndicatorNR_t));
  dl_scs_SpecificCarrierList        = CALLOC(1,sizeof(struct NR_SCS_SpecificCarrier));

  ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list,dl_frequencyBandList);  
  ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list,dl_scs_SpecificCarrierList);		   		   
  //  scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.cyclicPrefix    = CALLOC(1,sizeof(long));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon                = CALLOC(1,sizeof(struct NR_SetupRelease_PDCCH_ConfigCommon));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->present=NR_SetupRelease_PDCCH_ConfigCommon_PR_setup; 
  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup  = CALLOC(1,sizeof(struct NR_PDCCH_ConfigCommon));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->controlResourceSetZero    = CALLOC(1,sizeof(long));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->searchSpaceZero           = CALLOC(1,sizeof(long));

  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->commonControlResourceSet = NULL;

  //  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->commonSearchSpaceList     = CALLOC(1,sizeof(struct NR_PDCCH_ConfigCommon__commonSearchSpaceList));
  //  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->searchSpaceSIB1                    = CALLOC(1,sizeof(NR_SearchSpaceId_t));
  //  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->searchSpaceOtherSystemInformation  = CALLOC(1,sizeof(NR_SearchSpaceId_t));
  //  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->pagingSearchSpace                  = CALLOC(1,sizeof(NR_SearchSpaceId_t));
  //  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->ra_SearchSpace                     = CALLOC(1,sizeof(NR_SearchSpaceId_t));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon                 = CALLOC(1,sizeof(struct NR_SetupRelease_PDSCH_ConfigCommon));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->present        = NR_SetupRelease_PDSCH_ConfigCommon_PR_setup;
  scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup   = CALLOC(1,sizeof(struct NR_PDSCH_ConfigCommon));
  scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList = CALLOC(1,sizeof(struct NR_PDSCH_TimeDomainResourceAllocationList));

  ul_frequencyBandList              = CALLOC(1,sizeof(NR_FreqBandIndicatorNR_t));
  scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList          = CALLOC(1,sizeof(struct NR_MultiFrequencyBandListNR));
  ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list,ul_frequencyBandList);

  scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA    = CALLOC(1,sizeof(NR_ARFCN_ValueNR_t));
  //  scc->uplinkConfigCommon->frequencyInfoUL->additionalSpectrumEmission = CALLOC(1,sizeof(NR_AdditionalSpectrumEmission_t));
  scc->uplinkConfigCommon->frequencyInfoUL->p_Max                      = CALLOC(1,sizeof(NR_P_Max_t));
  //  scc->uplinkConfigCommon->frequencyInfoUL->frequencyShift7p5khz       = CALLOC(1,sizeof(long));
  
  //  scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.cyclicPrefix    = CALLOC(1,sizeof(long));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon                 = CALLOC(1,sizeof(NR_SetupRelease_RACH_ConfigCommon_t));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->present = NR_SetupRelease_RACH_ConfigCommon_PR_setup;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup   = CALLOC(1,sizeof(struct NR_RACH_ConfigCommon));
  // scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles                  = CALLOC(1,sizeof(long));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB  = CALLOC(1,sizeof(struct NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB));
  //  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->groupBconfigured                           = CALLOC(1,sizeof(struct NR_RACH_ConfigCommon__groupBconfigured));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rsrp_ThresholdSSB            = CALLOC(1,sizeof(NR_RSRP_Range_t));
  //  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rsrp_ThresholdSSB_SUL        = CALLOC(1,sizeof(NR_RSRP_Range_t));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing       = CALLOC(1,sizeof(NR_SubcarrierSpacing_t));
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder       = CALLOC(1,sizeof(long));
  // 0 - ENABLE, 1 - DISABLE, hence explicitly setting to DISABLED.
  *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder       = NR_PUSCH_Config__transformPrecoder_disabled;
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon                 = CALLOC(1,sizeof(NR_SetupRelease_PUSCH_ConfigCommon_t)); 
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->present        = NR_SetupRelease_PUSCH_ConfigCommon_PR_setup;
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup   = CALLOC(1,sizeof(struct NR_PUSCH_ConfigCommon));

  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->groupHoppingEnabledTransformPrecoding = CALLOC(1,sizeof(long));
  
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList  = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocationList));
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->msg3_DeltaPreamble              = CALLOC(1,sizeof(long));
  scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->p0_NominalWithGrant             = CALLOC(1,sizeof(long));
  
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon                                                = CALLOC(1,sizeof(struct NR_SetupRelease_PUCCH_ConfigCommon)); 
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->present= NR_SetupRelease_PUCCH_ConfigCommon_PR_setup;
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup                                  = CALLOC(1,sizeof(struct NR_PUCCH_ConfigCommon));
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->p0_nominal                      = CALLOC(1,sizeof(long));
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->pucch_ResourceCommon            = CALLOC(1,sizeof(long));
  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->hoppingId                       = CALLOC(1,sizeof(long));

  //  scc->ssb_PositionsInBurst->choice.shortBitmap.buf  = MALLOC(1);
  //  scc->ssb_PositionsInBurst->choice.mediumBitmap.buf = MALLOC(1);
  //  scc->ssb_PositionsInBurst->choice.longBitmap.buf   = MALLOC(8);
  

  ul_scs_SpecificCarrierList  = CALLOC(1,sizeof(struct NR_SCS_SpecificCarrier));
  ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list,ul_scs_SpecificCarrierList);

  //ratematchpattern                              = CALLOC(1,sizeof(struct NR_RateMatchPattern));
  //ratematchpattern->patternType.choice.bitmaps  = CALLOC(1,sizeof(struct NR_RateMatchPattern__patternType__bitmaps));
  //ratematchpattern->patternType.choice.bitmaps->resourceBlocks.buf = MALLOC(35);
  //ratematchpattern->patternType.choice.bitmaps->symbolsInResourceBlock.choice.oneSlot.buf   = MALLOC(2);
  //ratematchpattern->patternType.choice.bitmaps->symbolsInResourceBlock.choice.twoSlots.buf  = MALLOC(4);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern                       = CALLOC(1,sizeof(struct NR_RateMatchPattern__patternType__bitmaps__periodicityAndPattern));
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n2.buf        = MALLOC(1);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n4.buf        = MALLOC(1);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n5.buf        = MALLOC(1);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n8.buf        = MALLOC(1);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n10.buf       = MALLOC(2);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n20.buf       = MALLOC(3);
  //ratematchpattern->patternType.choice.bitmaps->periodicityAndPattern->choice.n40.buf       = MALLOC(5);
  //ratematchpattern->subcarrierSpacing           = CALLOC(1,sizeof(NR_SubcarrierSpacing_t));
  //ratematchpatternid                            = CALLOC(1,sizeof(NR_RateMatchPatternId_t));
  
}

void fill_scc_sim(NR_ServingCellConfigCommon_t *scc,uint64_t *ssb_bitmap,int N_RB_DL,int N_RB_UL,int mu_dl,int mu_ul) {

  *scc->physCellId=0;							\
  //  *scc->n_TimingAdvanceOffset=NR_ServingCellConfigCommon__n_TimingAdvanceOffset_n0;
  *scc->ssb_periodicityServingCell=NR_ServingCellConfigCommon__ssb_periodicityServingCell_ms20;
  scc->dmrs_TypeA_Position=NR_ServingCellConfigCommon__dmrs_TypeA_Position_pos2;
  *scc->ssbSubcarrierSpacing=mu_dl;
  if (mu_dl == 0) {
    *scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB=520432;
    *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]=38;
    scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA=520000;
  } else {
    *scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB=641032;
    *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]=78;
    scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA=640000;
  }
  scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier=0;
  scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing=mu_dl;
  scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth=N_RB_DL;
  scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.locationAndBandwidth=275*(N_RB_DL-1);
  scc->downlinkConfigCommon->initialDownlinkBWP->genericParameters.subcarrierSpacing=mu_dl;//NR_SubcarrierSpacing_kHz30;
  *scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->controlResourceSetZero=12;
  *scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->choice.setup->searchSpaceZero=0;
  struct NR_PDSCH_TimeDomainResourceAllocation *timedomainresourceallocation0 = CALLOC(1,sizeof(NR_PDSCH_TimeDomainResourceAllocation_t));
  timedomainresourceallocation0->mappingType=NR_PDSCH_TimeDomainResourceAllocation__mappingType_typeA;
  timedomainresourceallocation0->startSymbolAndLength=54;
  ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,
                   timedomainresourceallocation0);
  struct NR_PDSCH_TimeDomainResourceAllocation *timedomainresourceallocation1 = CALLOC(1,sizeof(NR_PDSCH_TimeDomainResourceAllocation_t));
  timedomainresourceallocation1->mappingType=NR_PDSCH_TimeDomainResourceAllocation__mappingType_typeA;
  timedomainresourceallocation1->startSymbolAndLength=57;
  ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,
                   timedomainresourceallocation1);
  *scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0]=mu_ul?78:38;
  *scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA=-1;
  scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier=0;
  scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing=mu_ul;
  scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth=N_RB_UL;
  *scc->uplinkConfigCommon->frequencyInfoUL->p_Max=20;
  scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth=275*(N_RB_UL-1);
  scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.subcarrierSpacing=mu_ul;//NR_SubcarrierSpacing_kHz30;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.prach_ConfigurationIndex=98;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM=NR_RACH_ConfigGeneric__msg1_FDM_one;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart=0;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig=13;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleReceivedTargetPower=-118;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleTransMax=NR_RACH_ConfigGeneric__preambleTransMax_n10;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.powerRampingStep=NR_RACH_ConfigGeneric__powerRampingStep_dB2;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.ra_ResponseWindow=NR_RACH_ConfigGeneric__ra_ResponseWindow_sl20;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present=NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB_PR_one;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->choice.one=NR_RACH_ConfigCommon__ssb_perRACH_OccasionAndCB_PreamblesPerSSB__one_n64;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ra_ContentionResolutionTimer=NR_RACH_ConfigCommon__ra_ContentionResolutionTimer_sf64;
  *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rsrp_ThresholdSSB=19;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present=NR_RACH_ConfigCommon__prach_RootSequenceIndex_PR_l139;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l139=0;
  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->restrictedSetConfig=NR_RACH_ConfigCommon__restrictedSetConfig_unrestrictedSet;
  struct NR_PUSCH_TimeDomainResourceAllocation *pusch_timedomainresourceallocation0 = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
  pusch_timedomainresourceallocation0->k2  = CALLOC(1,sizeof(long));
  *pusch_timedomainresourceallocation0->k2=6;
  pusch_timedomainresourceallocation0->mappingType=NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
  pusch_timedomainresourceallocation0->startSymbolAndLength=55;
  ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation0);
  struct NR_PUSCH_TimeDomainResourceAllocation *pusch_timedomainresourceallocation1 = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
  pusch_timedomainresourceallocation1->k2  = CALLOC(1,sizeof(long));
  *pusch_timedomainresourceallocation1->k2=6;
  pusch_timedomainresourceallocation1->mappingType=NR_PUSCH_TimeDomainResourceAllocation__mappingType_typeB;
  pusch_timedomainresourceallocation1->startSymbolAndLength=38;
  ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_timedomainresourceallocation1);
  *scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->msg3_DeltaPreamble=1;
  *scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->p0_NominalWithGrant=-90;
 scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->pucch_GroupHopping=NR_PUCCH_ConfigCommon__pucch_GroupHopping_neither; 
 *scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->hoppingId=40;
 *scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->p0_nominal=-90;
 scc->ssb_PositionsInBurst->present=NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap;
 *ssb_bitmap=0xff;
 scc->tdd_UL_DL_ConfigurationCommon->referenceSubcarrierSpacing=mu_dl;
 if (mu_dl == 0)
   scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity=NR_TDD_UL_DL_Pattern__dl_UL_TransmissionPeriodicity_ms10;
 else
   scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity=NR_TDD_UL_DL_Pattern__dl_UL_TransmissionPeriodicity_ms5;
 scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSlots=7;
 scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols=6;
 scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots=2;
 scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols=4;
 scc->tdd_UL_DL_ConfigurationCommon->pattern2->dl_UL_TransmissionPeriodicity=321;

 scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofDownlinkSlots=-1;
 scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofDownlinkSymbols=-1;
 scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofUplinkSlots=-1;
 scc->tdd_UL_DL_ConfigurationCommon->pattern2->nrofUplinkSymbols=-1;
 scc->ss_PBCH_BlockPower=20;
 *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing=-1;
}


void fix_scc(NR_ServingCellConfigCommon_t *scc,uint64_t ssbmap) {

  int ssbmaplen = (int)scc->ssb_PositionsInBurst->present;
  uint8_t curr_bit;

  AssertFatal(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap ||
              ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap ||
              ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_longBitmap, "illegal ssbmaplen %d\n",ssbmaplen);

  // changing endianicity of ssbmap and filling the ssb_PositionsInBurst buffers
  if(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_shortBitmap){
    scc->ssb_PositionsInBurst->choice.shortBitmap.size = 1;
    scc->ssb_PositionsInBurst->choice.shortBitmap.bits_unused = 4;
    scc->ssb_PositionsInBurst->choice.shortBitmap.buf = CALLOC(1,1);
    scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] = 0;
    for (int i=0; i<8; i++) {
      if (i<scc->ssb_PositionsInBurst->choice.shortBitmap.bits_unused)
        curr_bit = 0;
      else
        curr_bit = (ssbmap>>(7-i))&0x01;
      scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] |= curr_bit<<i;   
    }
  }else if(ssbmaplen==NR_ServingCellConfigCommon__ssb_PositionsInBurst_PR_mediumBitmap){
    scc->ssb_PositionsInBurst->choice.mediumBitmap.size = 1;
    scc->ssb_PositionsInBurst->choice.mediumBitmap.bits_unused = 0;
    scc->ssb_PositionsInBurst->choice.mediumBitmap.buf = CALLOC(1,1);
    scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0] = 0;
    for (int i=0; i<8; i++)
      scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0] |= (((ssbmap>>(7-i))&0x01)<<i); 
  }else {
    scc->ssb_PositionsInBurst->choice.longBitmap.size = 8;
    scc->ssb_PositionsInBurst->choice.longBitmap.bits_unused = 0;
    scc->ssb_PositionsInBurst->choice.longBitmap.buf = CALLOC(1,8);
    for (int j=0; j<8; j++) {
       scc->ssb_PositionsInBurst->choice.longBitmap.buf[j] = 0;
       curr_bit = (ssbmap>>(j<<3))&(0xff);
       for (int i=0; i<8; i++)
         scc->ssb_PositionsInBurst->choice.longBitmap.buf[j] |= (((curr_bit>>(7-i))&0x01)<<i);
    }
  }

  // fix UL absolute frequency
  if ((int)*scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA==-1) {
     free(scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA);
     scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA = NULL;
  }

  // default value for msg3 precoder is NULL (0 means enabled)
  if (*scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder!=0)
    scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg3_transformPrecoder = NULL;

  frame_type_t frame_type = get_frame_type((int)*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);

  // prepare DL Allocation lists
  nr_rrc_config_dl_tda(scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList,
                       frame_type, scc->tdd_UL_DL_ConfigurationCommon,
                       scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth);

  if (frame_type == FDD) {
    ASN_STRUCT_FREE(asn_DEF_NR_TDD_UL_DL_ConfigCommon, scc->tdd_UL_DL_ConfigurationCommon);
    scc->tdd_UL_DL_ConfigurationCommon = NULL;
  } else { // TDD
    if (scc->tdd_UL_DL_ConfigurationCommon->pattern2->dl_UL_TransmissionPeriodicity > 320 ) {
      free(scc->tdd_UL_DL_ConfigurationCommon->pattern2);
      scc->tdd_UL_DL_ConfigurationCommon->pattern2 = NULL;
    }

  }

  if ((int)*scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing == -1) {
    free(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing);
    scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing=NULL;
  }

  // check pucch_ResourceConfig
  AssertFatal(*scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->choice.setup->pucch_ResourceCommon < 2,
	      "pucch_ResourceConfig should be 0 or 1 for now\n");
}

/* Function to allocate dedicated serving cell config strutures */
void prepare_scd(NR_ServingCellConfig_t *scd) {
  // Allocate downlink structures
  scd->downlinkBWP_ToAddModList = CALLOC(1, sizeof(*scd->downlinkBWP_ToAddModList));
  scd->uplinkConfig = CALLOC(1, sizeof(*scd->uplinkConfig));
  scd->uplinkConfig->uplinkBWP_ToAddModList = CALLOC(1, sizeof(*scd->uplinkConfig->uplinkBWP_ToAddModList));
  scd->bwp_InactivityTimer = CALLOC(1, sizeof(*scd->bwp_InactivityTimer));
  scd->uplinkConfig->firstActiveUplinkBWP_Id  = CALLOC(1, sizeof(*scd->uplinkConfig->firstActiveUplinkBWP_Id));
  scd->firstActiveDownlinkBWP_Id = CALLOC(1, sizeof(*scd->firstActiveDownlinkBWP_Id));
  *scd->firstActiveDownlinkBWP_Id = 1;
  *scd->uplinkConfig->firstActiveUplinkBWP_Id = 1;
  scd->defaultDownlinkBWP_Id = CALLOC(1, sizeof(*scd->defaultDownlinkBWP_Id));
  *scd->defaultDownlinkBWP_Id = 0;

  for (int j = 0; j < NR_MAX_NUM_BWP; j++) {

    // Downlink bandwidth part
    NR_BWP_Downlink_t *bwp = calloc(1, sizeof(*bwp));
    bwp->bwp_Id = j+1;

    // Allocate downlink dedicated bandwidth part and PDSCH structures
    bwp->bwp_Common = calloc(1, sizeof(*bwp->bwp_Common));
    bwp->bwp_Common->pdcch_ConfigCommon = calloc(1, sizeof(*bwp->bwp_Common->pdcch_ConfigCommon));
    bwp->bwp_Common->pdsch_ConfigCommon = calloc(1, sizeof(*bwp->bwp_Common->pdsch_ConfigCommon));
    bwp->bwp_Dedicated = calloc(1, sizeof(*bwp->bwp_Dedicated));
    bwp->bwp_Dedicated->pdsch_Config = calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config));
    bwp->bwp_Dedicated->pdsch_Config->present = NR_SetupRelease_PDSCH_Config_PR_setup;
    bwp->bwp_Dedicated->pdsch_Config->choice.setup = calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup));
    bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA = calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA));
    bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->present = NR_SetupRelease_DMRS_DownlinkConfig_PR_setup;

    // Allocate DL DMRS and PTRS configuration
    bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup = calloc(1, sizeof(*bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup));
    NR_DMRS_DownlinkConfig_t *NR_DMRS_DownlinkCfg = bwp->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup;
    NR_DMRS_DownlinkCfg->phaseTrackingRS=CALLOC(1, sizeof(*NR_DMRS_DownlinkCfg->phaseTrackingRS));
    NR_DMRS_DownlinkCfg->phaseTrackingRS->present = NR_SetupRelease_PTRS_DownlinkConfig_PR_setup;
    NR_DMRS_DownlinkCfg->phaseTrackingRS->choice.setup = CALLOC(1, sizeof(*NR_DMRS_DownlinkCfg->phaseTrackingRS->choice.setup));
    NR_PTRS_DownlinkConfig_t *NR_PTRS_DownlinkCfg = NR_DMRS_DownlinkCfg->phaseTrackingRS->choice.setup;
    NR_PTRS_DownlinkCfg->frequencyDensity = CALLOC(1, sizeof(*NR_PTRS_DownlinkCfg->frequencyDensity));
    long *dl_rbs = CALLOC(2, sizeof(long));
    for (int i=0;i<2;i++) {
      ASN_SEQUENCE_ADD(&NR_PTRS_DownlinkCfg->frequencyDensity->list, &dl_rbs[i]);
    }
    NR_PTRS_DownlinkCfg->timeDensity = CALLOC(1, sizeof(*NR_PTRS_DownlinkCfg->timeDensity));
    long *dl_mcs = CALLOC(3, sizeof(long));
    for (int i=0;i<3;i++) {
      ASN_SEQUENCE_ADD(&NR_PTRS_DownlinkCfg->timeDensity->list, &dl_mcs[i]);
    }
    NR_PTRS_DownlinkCfg->epre_Ratio = CALLOC(1, sizeof(*NR_PTRS_DownlinkCfg->epre_Ratio));
    NR_PTRS_DownlinkCfg->resourceElementOffset = CALLOC(1, sizeof(*NR_PTRS_DownlinkCfg->resourceElementOffset));
    *NR_PTRS_DownlinkCfg->resourceElementOffset = 0;
    ASN_SEQUENCE_ADD(&scd->downlinkBWP_ToAddModList->list,bwp);

    // Allocate uplink structures

    NR_PUSCH_Config_t *pusch_Config = CALLOC(1, sizeof(*pusch_Config));

    // Allocate UL DMRS and PTRS structures
    pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB = CALLOC(1, sizeof(*pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB));
    pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB->present = NR_SetupRelease_DMRS_UplinkConfig_PR_setup;
    pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup = CALLOC(1, sizeof(*pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup));
    NR_DMRS_UplinkConfig_t *NR_DMRS_UplinkConfig = pusch_Config->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup;
    NR_DMRS_UplinkConfig->phaseTrackingRS = CALLOC(1, sizeof(*NR_DMRS_UplinkConfig->phaseTrackingRS));
    NR_DMRS_UplinkConfig->phaseTrackingRS->present = NR_SetupRelease_PTRS_UplinkConfig_PR_setup;
    NR_DMRS_UplinkConfig->phaseTrackingRS->choice.setup = CALLOC(1, sizeof(*NR_DMRS_UplinkConfig->phaseTrackingRS->choice.setup));
    NR_PTRS_UplinkConfig_t *NR_PTRS_UplinkConfig = NR_DMRS_UplinkConfig->phaseTrackingRS->choice.setup;
    NR_PTRS_UplinkConfig->transformPrecoderDisabled = CALLOC(1, sizeof(*NR_PTRS_UplinkConfig->transformPrecoderDisabled));
    NR_PTRS_UplinkConfig->transformPrecoderDisabled->frequencyDensity = CALLOC(1, sizeof(*NR_PTRS_UplinkConfig->transformPrecoderDisabled->frequencyDensity));
    long *n_rbs = CALLOC(2, sizeof(long));
    for (int i=0;i<2;i++) {
      ASN_SEQUENCE_ADD(&NR_PTRS_UplinkConfig->transformPrecoderDisabled->frequencyDensity->list, &n_rbs[i]);
    }
    NR_PTRS_UplinkConfig->transformPrecoderDisabled->timeDensity = CALLOC(1, sizeof(*NR_PTRS_UplinkConfig->transformPrecoderDisabled->timeDensity));
    long *ptrs_mcs = CALLOC(3, sizeof(long));
    for (int i = 0; i < 3; i++) {
      ASN_SEQUENCE_ADD(&NR_PTRS_UplinkConfig->transformPrecoderDisabled->timeDensity->list, &ptrs_mcs[i]);
    }
    NR_PTRS_UplinkConfig->transformPrecoderDisabled->resourceElementOffset = CALLOC(1, sizeof(*NR_PTRS_UplinkConfig->transformPrecoderDisabled->resourceElementOffset));
    *NR_PTRS_UplinkConfig->transformPrecoderDisabled->resourceElementOffset = 0;

    // UL bandwidth part
    NR_BWP_Uplink_t *ubwp = CALLOC(1, sizeof(*ubwp));
    ubwp->bwp_Id = j+1;
    ubwp->bwp_Common = CALLOC(1, sizeof(*ubwp->bwp_Common));
    ubwp->bwp_Dedicated = CALLOC(1, sizeof(*ubwp->bwp_Dedicated));

    ubwp->bwp_Dedicated->pusch_Config = CALLOC(1, sizeof(*ubwp->bwp_Dedicated->pusch_Config));
    ubwp->bwp_Dedicated->pusch_Config->present = NR_SetupRelease_PUSCH_Config_PR_setup;
    ubwp->bwp_Dedicated->pusch_Config->choice.setup = pusch_Config;

    ASN_SEQUENCE_ADD(&scd->uplinkConfig->uplinkBWP_ToAddModList->list,ubwp);
  }
}

/* This function checks dedicated serving cell configuration and performs fixes as needed */
void fix_scd(NR_ServingCellConfig_t *scd) {

  // Remove unused BWPs
  int b = 0;
  while (b<scd->downlinkBWP_ToAddModList->list.count) {
    if (scd->downlinkBWP_ToAddModList->list.array[b]->bwp_Common->genericParameters.locationAndBandwidth == 0) {
      asn_sequence_del(&scd->downlinkBWP_ToAddModList->list,b,1);
    } else {
      b++;
    }
  }

  b = 0;
  while (b<scd->uplinkConfig->uplinkBWP_ToAddModList->list.count) {
    if (scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[b]->bwp_Common->genericParameters.locationAndBandwidth == 0) {
      asn_sequence_del(&scd->uplinkConfig->uplinkBWP_ToAddModList->list,b,1);
    } else {
      b++;
    }
  }

  // Check for DL PTRS parameters validity
  for (int bwp_i = 0 ; bwp_i<scd->downlinkBWP_ToAddModList->list.count; bwp_i++) {

    NR_DMRS_DownlinkConfig_t *dmrs_dl_config = scd->downlinkBWP_ToAddModList->list.array[bwp_i]->bwp_Dedicated->pdsch_Config->choice.setup->dmrs_DownlinkForPDSCH_MappingTypeA->choice.setup;
    
    if (dmrs_dl_config->phaseTrackingRS) {
      // If any of the frequencyDensity values are not set or are out of bounds, PTRS is assumed to be not present
      for (int i = dmrs_dl_config->phaseTrackingRS->choice.setup->frequencyDensity->list.count - 1; i >= 0; i--) {
        if ((*dmrs_dl_config->phaseTrackingRS->choice.setup->frequencyDensity->list.array[i] < 1)
            || (*dmrs_dl_config->phaseTrackingRS->choice.setup->frequencyDensity->list.array[i] > 276)) {
          LOG_I(GNB_APP, "DL PTRS frequencyDensity %d not set. Assuming PTRS not present! \n", i);
          free(dmrs_dl_config->phaseTrackingRS);
          dmrs_dl_config->phaseTrackingRS = NULL;
          break;
        }
      }
    }

    if (dmrs_dl_config->phaseTrackingRS) {
      // If any of the timeDensity values are not set or are out of bounds, PTRS is assumed to be not present
      for (int i = dmrs_dl_config->phaseTrackingRS->choice.setup->timeDensity->list.count - 1; i >= 0; i--) {
        if ((*dmrs_dl_config->phaseTrackingRS->choice.setup->timeDensity->list.array[i] < 0)
            || (*dmrs_dl_config->phaseTrackingRS->choice.setup->timeDensity->list.array[i] > 29)) {
          LOG_I(GNB_APP, "DL PTRS timeDensity %d not set. Assuming PTRS not present! \n", i);
          free(dmrs_dl_config->phaseTrackingRS);
          dmrs_dl_config->phaseTrackingRS = NULL;
          break;
        }
      }
    }

    if (dmrs_dl_config->phaseTrackingRS) {
      if (*dmrs_dl_config->phaseTrackingRS->choice.setup->resourceElementOffset > 2) {
        LOG_I(GNB_APP, "Freeing DL PTRS resourceElementOffset \n");
        free(dmrs_dl_config->phaseTrackingRS->choice.setup->resourceElementOffset);
        dmrs_dl_config->phaseTrackingRS->choice.setup->resourceElementOffset = NULL;
      }
      if (*dmrs_dl_config->phaseTrackingRS->choice.setup->epre_Ratio > 1) {
        LOG_I(GNB_APP, "Freeing DL PTRS epre_Ratio \n");
        free(dmrs_dl_config->phaseTrackingRS->choice.setup->epre_Ratio);
        dmrs_dl_config->phaseTrackingRS->choice.setup->epre_Ratio = NULL;
      }
    }
  }

  // Check for UL PTRS parameters validity
  for (int bwp_i = 0 ; bwp_i<scd->uplinkConfig->uplinkBWP_ToAddModList->list.count; bwp_i++) {

    NR_DMRS_UplinkConfig_t *dmrs_ul_config = scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[bwp_i]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup;
    
    if (dmrs_ul_config->phaseTrackingRS) {
      // If any of the frequencyDensity values are not set or are out of bounds, PTRS is assumed to be not present
      for (int i = dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->frequencyDensity->list.count-1; i >= 0; i--) {
        if ((*dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->frequencyDensity->list.array[i] < 1)
            || (*dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->frequencyDensity->list.array[i] > 276)) {
          LOG_I(GNB_APP, "UL PTRS frequencyDensity %d not set. Assuming PTRS not present! \n", i);
          free(dmrs_ul_config->phaseTrackingRS);
          dmrs_ul_config->phaseTrackingRS = NULL;
          break;
        }
      }
    }

    if (dmrs_ul_config->phaseTrackingRS) {
      // If any of the timeDensity values are not set or are out of bounds, PTRS is assumed to be not present
      for (int i = dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.count-1; i >= 0; i--) {
        if ((*dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.array[i] < 0)
            || (*dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.array[i] > 29)) {
          LOG_I(GNB_APP, "UL PTRS timeDensity %d not set. Assuming PTRS not present! \n", i);
          free(dmrs_ul_config->phaseTrackingRS);
          dmrs_ul_config->phaseTrackingRS = NULL;
          break;
        }
      }
    }

    if (dmrs_ul_config->phaseTrackingRS) {
      // Check for UL PTRS parameters validity
      if (*dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->resourceElementOffset > 2) {
        LOG_I(GNB_APP, "Freeing UL PTRS resourceElementOffset \n");
        free(dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->resourceElementOffset);
        dmrs_ul_config->phaseTrackingRS->choice.setup->transformPrecoderDisabled->resourceElementOffset = NULL;
      }
    }

  }
}

void RCconfig_nr_prs(void)
{
  uint16_t  j = 0, k = 0;
  prs_config_t *prs_config = NULL;
  char str[7][100] = {0};

  paramdef_t PRS_Params[] = PRS_PARAMS_DESC;
  paramlist_def_t PRS_ParamList = {CONFIG_STRING_PRS_CONFIG,NULL,0};
  if (RC.gNB == NULL) {
    RC.gNB                       = (PHY_VARS_gNB **)malloc((1+NUMBER_OF_gNB_MAX)*sizeof(PHY_VARS_gNB*));
    LOG_I(NR_PHY,"RC.gNB = %p\n",RC.gNB);
    memset(RC.gNB,0,(1+NUMBER_OF_gNB_MAX)*sizeof(PHY_VARS_gNB*));
  }

  config_getlist( &PRS_ParamList,PRS_Params,sizeof(PRS_Params)/sizeof(paramdef_t), NULL);

  if (PRS_ParamList.numelt > 0) {
    for (j = 0; j < RC.nb_nr_L1_inst; j++) {

      if (RC.gNB[j] == NULL) {
        RC.gNB[j]                       = (PHY_VARS_gNB *)malloc(sizeof(PHY_VARS_gNB));
        LOG_I(NR_PHY,"RC.gNB[%d] = %p\n",j,RC.gNB[j]);
        memset(RC.gNB[j],0,sizeof(PHY_VARS_gNB));
	      RC.gNB[j]->Mod_id  = j;
      }

      RC.gNB[j]->prs_vars.NumPRSResources = *(PRS_ParamList.paramarray[j][NUM_PRS_RESOURCES].uptr);
      for (k = 0; k < RC.gNB[j]->prs_vars.NumPRSResources; k++)
      {
        prs_config = &RC.gNB[j]->prs_vars.prs_cfg[k];
        prs_config->PRSResourceSetPeriod[0]  = PRS_ParamList.paramarray[j][PRS_RESOURCE_SET_PERIOD_LIST].uptr[0];
        prs_config->PRSResourceSetPeriod[1]  = PRS_ParamList.paramarray[j][PRS_RESOURCE_SET_PERIOD_LIST].uptr[1];
        // per PRS resources parameters
        prs_config->SymbolStart              = PRS_ParamList.paramarray[j][PRS_SYMBOL_START_LIST].uptr[k];
        prs_config->NumPRSSymbols            = PRS_ParamList.paramarray[j][PRS_NUM_SYMBOLS_LIST].uptr[k];
        prs_config->REOffset                 = PRS_ParamList.paramarray[j][PRS_RE_OFFSET_LIST].uptr[k];
        prs_config->PRSResourceOffset        = PRS_ParamList.paramarray[j][PRS_RESOURCE_OFFSET_LIST].uptr[k];
        prs_config->NPRSID                   = PRS_ParamList.paramarray[j][PRS_ID_LIST].uptr[k];
        // Common parameters to all PRS resources
        prs_config->NumRB                    = *(PRS_ParamList.paramarray[j][PRS_NUM_RB].uptr);
        prs_config->RBOffset                 = *(PRS_ParamList.paramarray[j][PRS_RB_OFFSET].uptr);
        prs_config->CombSize                 = *(PRS_ParamList.paramarray[j][PRS_COMB_SIZE].uptr);
        prs_config->PRSResourceRepetition    = *(PRS_ParamList.paramarray[j][PRS_RESOURCE_REPETITION].uptr);
        prs_config->PRSResourceTimeGap       = *(PRS_ParamList.paramarray[j][PRS_RESOURCE_TIME_GAP].uptr);
        prs_config->MutingBitRepetition      = *(PRS_ParamList.paramarray[j][PRS_MUTING_BIT_REPETITION].uptr);
        for (int l = 0; l < PRS_ParamList.paramarray[j][PRS_MUTING_PATTERN1_LIST].numelt; l++)
        {
          prs_config->MutingPattern1[l]      = PRS_ParamList.paramarray[j][PRS_MUTING_PATTERN1_LIST].uptr[l];
          if (k == 0) // print only for 0th resource 
            snprintf(str[5]+strlen(str[5]),sizeof(str[5])-strlen(str[5]),"%d, ",prs_config->MutingPattern1[l]);
        }
        for (int l = 0; l < PRS_ParamList.paramarray[j][PRS_MUTING_PATTERN2_LIST].numelt; l++)
        {
          prs_config->MutingPattern2[l]      = PRS_ParamList.paramarray[j][PRS_MUTING_PATTERN2_LIST].uptr[l];
          if (k == 0) // print only for 0th resource
            snprintf(str[6]+strlen(str[6]),sizeof(str[6])-strlen(str[6]),"%d, ",prs_config->MutingPattern2[l]);
        }

        // print to buffer
        snprintf(str[0]+strlen(str[0]),sizeof(str[0])-strlen(str[0]),"%d, ",prs_config->SymbolStart);
        snprintf(str[1]+strlen(str[1]),sizeof(str[1])-strlen(str[1]),"%d, ",prs_config->NumPRSSymbols);
        snprintf(str[2]+strlen(str[2]),sizeof(str[2])-strlen(str[2]),"%d, ",prs_config->REOffset);
        snprintf(str[3]+strlen(str[3]),sizeof(str[3])-strlen(str[3]),"%d, ",prs_config->PRSResourceOffset);
        snprintf(str[4]+strlen(str[4]),sizeof(str[4])-strlen(str[4]),"%d, ",prs_config->NPRSID);
      } // for k

      prs_config = &RC.gNB[j]->prs_vars.prs_cfg[0];
      LOG_I(PHY, "-----------------------------------------\n");
      LOG_I(PHY, "PRS Config for gNB_id %d @ %p\n", j, prs_config);
      LOG_I(PHY, "-----------------------------------------\n");
      LOG_I(PHY, "NumPRSResources \t%d\n", RC.gNB[j]->prs_vars.NumPRSResources);
      LOG_I(PHY, "PRSResourceSetPeriod \t[%d, %d]\n", prs_config->PRSResourceSetPeriod[0], prs_config->PRSResourceSetPeriod[1]);
      LOG_I(PHY, "NumRB \t\t\t%d\n", prs_config->NumRB);
      LOG_I(PHY, "RBOffset \t\t%d\n", prs_config->RBOffset);
      LOG_I(PHY, "CombSize \t\t%d\n", prs_config->CombSize);
      LOG_I(PHY, "PRSResourceRepetition \t%d\n", prs_config->PRSResourceRepetition);
      LOG_I(PHY, "PRSResourceTimeGap \t%d\n", prs_config->PRSResourceTimeGap);
      LOG_I(PHY, "MutingBitRepetition \t%d\n", prs_config->MutingBitRepetition);
      LOG_I(PHY, "SymbolStart \t\t[%s\b\b]\n", str[0]);
      LOG_I(PHY, "NumPRSSymbols \t\t[%s\b\b]\n", str[1]);
      LOG_I(PHY, "REOffset \t\t[%s\b\b]\n", str[2]);
      LOG_I(PHY, "PRSResourceOffset \t[%s\b\b]\n", str[3]);
      LOG_I(PHY, "NPRS_ID \t\t[%s\b\b]\n", str[4]);
      LOG_I(PHY, "MutingPattern1 \t\t[%s\b\b]\n", str[5]);
      LOG_I(PHY, "MutingPattern2 \t\t[%s\b\b]\n", str[6]);
      LOG_I(PHY, "-----------------------------------------\n");
    } // for j
  }
  else
  {
    LOG_E(PHY,"No " CONFIG_STRING_PRS_CONFIG " configuration found..!!\n");
  }
}

void RCconfig_NR_L1(void) {
  int j;
  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  ////////// Identification parameters
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;

  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};

  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  int num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
  AssertFatal (num_gnbs > 0,"Failed to parse config file no gnbs %s \n",GNB_CONFIG_STRING_ACTIVE_GNBS);

  config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL);
  int N1 = *GNBParamList.paramarray[0][GNB_PDSCH_ANTENNAPORTS_N1_IDX].iptr;
  int N2 = *GNBParamList.paramarray[0][GNB_PDSCH_ANTENNAPORTS_N2_IDX].iptr;
  int XP = *GNBParamList.paramarray[0][GNB_PDSCH_ANTENNAPORTS_XP_IDX].iptr;
  char *ulprbbl = *GNBParamList.paramarray[0][GNB_ULPRBBLACKLIST_IDX].strptr;
  if (ulprbbl) LOG_I(NR_PHY,"PRB blacklist %s\n",ulprbbl);
  char *save = NULL;
  char *pt = strtok_r(ulprbbl, ",", &save);
  int prbbl[275];
  int num_prbbl=0;
  memset(prbbl,0,275*sizeof(int));

  while (pt) {
    const int rb = atoi(pt);
    AssertFatal(rb < 275, "RB %d out of bounds (max 275)\n", rb);
    prbbl[rb] = 0x3FFF; // all symbols taken
    LOG_I(NR_PHY,"Blacklisting prb %d\n",atoi(pt));
    pt = strtok_r(NULL, ",", &save);
    num_prbbl++;
  }

  paramdef_t L1_Params[] = L1PARAMS_DESC;
  paramlist_def_t L1_ParamList = {CONFIG_STRING_L1_LIST,NULL,0};


  if (RC.gNB == NULL) {
    RC.gNB                       = (PHY_VARS_gNB **)malloc((1+NUMBER_OF_gNB_MAX)*sizeof(PHY_VARS_gNB*));
    LOG_I(NR_PHY,"RC.gNB = %p\n",RC.gNB);
    memset(RC.gNB,0,(1+NUMBER_OF_gNB_MAX)*sizeof(PHY_VARS_gNB*));
  }

  config_getlist( &L1_ParamList,L1_Params,sizeof(L1_Params)/sizeof(paramdef_t), NULL);

  if (L1_ParamList.numelt > 0) {

    for (j = 0; j < RC.nb_nr_L1_inst; j++) {

      if (RC.gNB[j] == NULL) {
        RC.gNB[j]                       = (PHY_VARS_gNB *)malloc(sizeof(PHY_VARS_gNB));
        LOG_I(NR_PHY,"RC.gNB[%d] = %p\n",j,RC.gNB[j]);
        memset(RC.gNB[j],0,sizeof(PHY_VARS_gNB));
	      RC.gNB[j]->Mod_id  = j;
      }
      AssertFatal(*L1_ParamList.paramarray[j][L1_THREAD_POOL_SIZE].uptr == 2022,
                  "thread_pool_size removed, please use --thread-pool\n");
      RC.gNB[j]->ofdm_offset_divisor = *(L1_ParamList.paramarray[j][L1_OFDM_OFFSET_DIVISOR].uptr);
      RC.gNB[j]->pucch0_thres       = *(L1_ParamList.paramarray[j][L1_PUCCH0_DTX_THRESHOLD].uptr);
      RC.gNB[j]->prach_thres        = *(L1_ParamList.paramarray[j][L1_PRACH_DTX_THRESHOLD].uptr);
      RC.gNB[j]->pusch_thres        = *(L1_ParamList.paramarray[j][L1_PUSCH_DTX_THRESHOLD].uptr);
      RC.gNB[j]->srs_thres          = *(L1_ParamList.paramarray[j][L1_SRS_DTX_THRESHOLD].uptr);
      RC.gNB[j]->max_ldpc_iterations = *(L1_ParamList.paramarray[j][L1_MAX_LDPC_ITERATIONS].uptr);
      RC.gNB[j]->num_ulprbbl        = num_prbbl;
      RC.gNB[j]->ap_N1              = N1;
      RC.gNB[j]->ap_N2              = N2;
      RC.gNB[j]->ap_XP              = XP;
      LOG_I(NR_PHY,"Copying %d blacklisted PRB to L1 context\n",num_prbbl);
      memcpy(RC.gNB[j]->ulprbbl,prbbl,275*sizeof(int));
      if(strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_mac") == 0) {
        //sf_ahead = 2; // Need 4 subframe gap between RX and TX
      }else if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "nfapi") == 0) {
        RC.gNB[j]->eth_params_n.local_if_name            = strdup(*(L1_ParamList.paramarray[j][L1_LOCAL_N_IF_NAME_IDX].strptr));
        RC.gNB[j]->eth_params_n.my_addr                  = strdup(*(L1_ParamList.paramarray[j][L1_LOCAL_N_ADDRESS_IDX].strptr));
        RC.gNB[j]->eth_params_n.remote_addr              = strdup(*(L1_ParamList.paramarray[j][L1_REMOTE_N_ADDRESS_IDX].strptr));
        RC.gNB[j]->eth_params_n.my_portc                 = *(L1_ParamList.paramarray[j][L1_LOCAL_N_PORTC_IDX].iptr);
        RC.gNB[j]->eth_params_n.remote_portc             = *(L1_ParamList.paramarray[j][L1_REMOTE_N_PORTC_IDX].iptr);
        RC.gNB[j]->eth_params_n.my_portd                 = *(L1_ParamList.paramarray[j][L1_LOCAL_N_PORTD_IDX].iptr);
        RC.gNB[j]->eth_params_n.remote_portd             = *(L1_ParamList.paramarray[j][L1_REMOTE_N_PORTD_IDX].iptr);
        RC.gNB[j]->eth_params_n.transp_preference        = ETH_UDP_MODE;

        //sf_ahead = 2; // Cannot cope with 4 subframes betweem RX and TX - set it to 2

        RC.nb_nr_macrlc_inst = 1;  // This is used by mac_top_init_gNB()

        // This is used by init_gNB_afterRU()
        RC.nb_nr_CC = (int *)malloc((1+RC.nb_nr_inst)*sizeof(int));
        RC.nb_nr_CC[0]=1;

        LOG_I(PHY,"%s() NFAPI PNF mode - RC.nb_nr_inst=1 this is because phy_init_RU() uses that to index and not RC.num_gNB - why the 2 similar variables?\n", __FUNCTION__);
        LOG_I(PHY,"%s() NFAPI PNF mode - RC.nb_nr_CC[0]=%d for init_gNB_afterRU()\n", __FUNCTION__, RC.nb_nr_CC[0]);
        LOG_I(PHY,"%s() NFAPI PNF mode - RC.nb_nr_macrlc_inst:%d because used by mac_top_init_gNB()\n", __FUNCTION__, RC.nb_nr_macrlc_inst);

        configure_nr_nfapi_pnf(RC.gNB[j]->eth_params_n.remote_addr,
                               RC.gNB[j]->eth_params_n.remote_portc,
                               RC.gNB[j]->eth_params_n.my_addr,
                               RC.gNB[j]->eth_params_n.my_portd,
                               RC.gNB[j]->eth_params_n.remote_portd);
      }else { // other midhaul
      } 
    }// for (j = 0; j < RC.nb_nr_L1_inst; j++)
    printf("Initializing northbound interface for L1\n");
    l1_north_init_gNB();
  }else{
    LOG_I(PHY,"No " CONFIG_STRING_L1_LIST " configuration found");    

    // DJP need to create some structures for VNF

    j = 0;


    if (RC.gNB[j] == NULL) {
      RC.gNB[j] = (PHY_VARS_gNB *)malloc(sizeof(PHY_VARS_gNB));
      memset((void*)RC.gNB[j],0,sizeof(PHY_VARS_gNB));
      LOG_I(PHY,"RC.gNB[%d] = %p\n",j,RC.gNB[j]);
      RC.gNB[j]->Mod_id  = j;
    }   
  }
}

void RCconfig_nr_macrlc() {
  int               j;

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  ////////// Identification parameters
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;

  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};
  ngran_node_t node_type = get_node_type();

  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  int num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
  AssertFatal (num_gnbs > 0,"Failed to parse config file no gnbs %s \n",GNB_CONFIG_STRING_ACTIVE_GNBS);
  
  config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL); 
  char *ulprbbl = *GNBParamList.paramarray[0][GNB_ULPRBBLACKLIST_IDX].strptr; 
  char *save = NULL;
  char *pt = strtok_r(ulprbbl, ",", &save);
  uint16_t prbbl[275];
  int num_prbbl=0;
  memset(prbbl,0,sizeof(prbbl));
  while (pt) {
    const int prb = atoi(pt);
    AssertFatal(prb < 275, "RB %d out of bounds (max 275)\n", prb);
    prbbl[prb] = 0x3FFF; // all symbols taken
    pt = strtok_r(NULL, ",", &save);
    num_prbbl++;
  }
  paramdef_t MacRLC_Params[] = MACRLCPARAMS_DESC;
  paramlist_def_t MacRLC_ParamList = {CONFIG_STRING_MACRLC_LIST,NULL,0};
  /* map parameter checking array instances to parameter definition array instances */
  checkedparam_t config_check_MacRLCParams [] = MACRLCPARAMS_CHECK;
  for (int i = 0; i < sizeof(MacRLC_Params) / sizeof(paramdef_t); ++i)
    MacRLC_Params[i].chkPptr = &(config_check_MacRLCParams[i]);
  config_getlist( &MacRLC_ParamList,MacRLC_Params,sizeof(MacRLC_Params)/sizeof(paramdef_t), NULL);    
  
  if ( MacRLC_ParamList.numelt > 0) {

    RC.nb_nr_macrlc_inst=MacRLC_ParamList.numelt; 
    mac_top_init_gNB(node_type);
    RC.nb_nr_mac_CC = (int*)malloc(RC.nb_nr_macrlc_inst*sizeof(int));

    for (j=0;j<RC.nb_nr_macrlc_inst;j++) {
      RC.nb_nr_mac_CC[j] = *(MacRLC_ParamList.paramarray[j][MACRLC_CC_IDX].iptr);
      RC.nrmac[j]->pusch_target_snrx10                   = *(MacRLC_ParamList.paramarray[j][MACRLC_PUSCHTARGETSNRX10_IDX].iptr);
      RC.nrmac[j]->pucch_target_snrx10                   = *(MacRLC_ParamList.paramarray[j][MACRLC_PUCCHTARGETSNRX10_IDX].iptr);
      RC.nrmac[j]->ul_prbblack_SNR_threshold             = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_PRBBLACK_SNR_THRESHOLD_IDX].iptr);
      RC.nrmac[j]->pucch_failure_thres                   = *(MacRLC_ParamList.paramarray[j][MACRLC_PUCCHFAILURETHRES_IDX].iptr);
      RC.nrmac[j]->pusch_failure_thres                   = *(MacRLC_ParamList.paramarray[j][MACRLC_PUSCHFAILURETHRES_IDX].iptr);
     
      LOG_I(NR_MAC,"PUSCH Target %d, PUCCH Target %d, PUCCH Failure %d, PUSCH Failure %d\n",
	    RC.nrmac[j]->pusch_target_snrx10,
            RC.nrmac[j]->pucch_target_snrx10,
            RC.nrmac[j]->pucch_failure_thres,
            RC.nrmac[j]->pusch_failure_thres); 
      if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_RRC") == 0) {
  // check number of instances is same as RRC/PDCP
  
      }else if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr), "f1") == 0) {
        printf("Configuring F1 interfaces for MACRLC\n");
        RC.nrmac[j]->eth_params_n.local_if_name            = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_IF_NAME_IDX].strptr));
        RC.nrmac[j]->eth_params_n.my_addr                  = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_n.remote_addr              = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_n.my_portc                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_n.remote_portc             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_n.my_portd                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_PORTD_IDX].iptr);
        RC.nrmac[j]->eth_params_n.remote_portd             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_PORTD_IDX].iptr);;
        RC.nrmac[j]->eth_params_n.transp_preference        = ETH_UDP_MODE;
        macrlc_has_f1                                      = 1;
      }else if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr), "cudu") == 0) {
        RC.nrmac[j]->eth_params_n.local_if_name            = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_IF_NAME_IDX].strptr));
        RC.nrmac[j]->eth_params_n.my_addr                  = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_n.remote_addr              = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_n.my_portc                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_n.remote_portc             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_n.my_portd                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_N_PORTD_IDX].iptr);
        RC.nrmac[j]->eth_params_n.remote_portd             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_N_PORTD_IDX].iptr);;
        RC.nrmac[j]->eth_params_n.transp_preference        = ETH_UDP_MODE;
      }else { // other midhaul
        AssertFatal(1==0,"MACRLC %d: %s unknown northbound midhaul\n",j, *(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr));
      } 

      if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_S_PREFERENCE_IDX].strptr), "local_L1") == 0) {

      }else if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_S_PREFERENCE_IDX].strptr), "nfapi") == 0) {
        RC.nrmac[j]->eth_params_s.local_if_name            = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_S_IF_NAME_IDX].strptr));
        RC.nrmac[j]->eth_params_s.my_addr                  = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_S_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_s.remote_addr              = strdup(*(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_S_ADDRESS_IDX].strptr));
        RC.nrmac[j]->eth_params_s.my_portc                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_S_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_s.remote_portc             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_S_PORTC_IDX].iptr);
        RC.nrmac[j]->eth_params_s.my_portd                 = *(MacRLC_ParamList.paramarray[j][MACRLC_LOCAL_S_PORTD_IDX].iptr);
        RC.nrmac[j]->eth_params_s.remote_portd             = *(MacRLC_ParamList.paramarray[j][MACRLC_REMOTE_S_PORTD_IDX].iptr);
        RC.nrmac[j]->eth_params_s.transp_preference        = ETH_UDP_MODE;

        printf("**************** vnf_port:%d\n", RC.nrmac[j]->eth_params_s.my_portc);
        configure_nr_nfapi_vnf(RC.nrmac[j]->eth_params_s.my_addr, RC.nrmac[j]->eth_params_s.my_portc);
        printf("**************** RETURNED FROM configure_nfapi_vnf() vnf_port:%d\n", RC.nrmac[j]->eth_params_s.my_portc);
      }else { // other midhaul
        AssertFatal(1==0,"MACRLC %d: %s unknown southbound midhaul\n",j,*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_S_PREFERENCE_IDX].strptr));
      } 
      RC.nrmac[j]->ulsch_max_frame_inactivity = *(MacRLC_ParamList.paramarray[j][MACRLC_ULSCH_MAX_FRAME_INACTIVITY].uptr);
      NR_bler_options_t *dl_bler_options = &RC.nrmac[j]->dl_bler;
      dl_bler_options->upper = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_BLER_TARGET_UPPER_IDX].dblptr);
      dl_bler_options->lower = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_BLER_TARGET_LOWER_IDX].dblptr);
      dl_bler_options->max_mcs = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_MAX_MCS_IDX].u8ptr);
      dl_bler_options->harq_round_max = *(MacRLC_ParamList.paramarray[j][MACRLC_DL_HARQ_ROUND_MAX_IDX].u8ptr);
      NR_bler_options_t *ul_bler_options = &RC.nrmac[j]->ul_bler;
      ul_bler_options->upper = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_BLER_TARGET_UPPER_IDX].dblptr);
      ul_bler_options->lower = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_BLER_TARGET_LOWER_IDX].dblptr);
      ul_bler_options->max_mcs = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_MAX_MCS_IDX].u8ptr);
      ul_bler_options->harq_round_max = *(MacRLC_ParamList.paramarray[j][MACRLC_UL_HARQ_ROUND_MAX_IDX].u8ptr);
      RC.nrmac[j]->min_grant_prb = *(MacRLC_ParamList.paramarray[j][MACRLC_MIN_GRANT_PRB_IDX].u8ptr);
      RC.nrmac[j]->min_grant_mcs = *(MacRLC_ParamList.paramarray[j][MACRLC_MIN_GRANT_MCS_IDX].u8ptr);
      RC.nrmac[j]->num_ulprbbl = num_prbbl;
      memcpy(RC.nrmac[j]->ulprbbl,prbbl,275*sizeof(prbbl[0]));
    }//  for (j=0;j<RC.nb_nr_macrlc_inst;j++)
  }else {// MacRLC_ParamList.numelt > 0
    LOG_E(PHY,"No %s configuration found\n", CONFIG_STRING_MACRLC_LIST);
    // AssertFatal (0,"No " CONFIG_STRING_MACRLC_LIST " configuration found");     
  }

}

void config_security(gNB_RRC_INST *rrc)
{
  paramdef_t sec_params[] = SECURITY_GLOBALPARAMS_DESC;
  int ret = config_get(sec_params,
                       sizeof(sec_params) / sizeof(paramdef_t),
                       CONFIG_STRING_SECURITY);
  int i;

  if (ret < 0) {
    LOG_W(RRC, "configuration file does not contain a \"security\" section, applying default parameters (nia2 nea0, integrity disabled for DRBs)\n");
    rrc->security.ciphering_algorithms[0]    = 0;  /* nea0 = no ciphering */
    rrc->security.ciphering_algorithms_count = 1;
    rrc->security.integrity_algorithms[0]    = 2;  /* nia2 */
    rrc->security.integrity_algorithms[1]    = 0;  /* nia0 = no integrity, as a fallback (but nia2 should be supported by all UEs) */
    rrc->security.integrity_algorithms_count = 2;
    rrc->security.do_drb_ciphering           = 1;  /* even if nea0 let's activate so that we don't generate cipheringDisabled in pdcp_Config */
    rrc->security.do_drb_integrity           = 0;
    return;
  }

  if (sec_params[SECURITY_CONFIG_CIPHERING_IDX].numelt > 4) {
    LOG_E(RRC, "too much ciphering algorithms in section \"security\" of the configuration file, maximum is 4\n");
    exit(1);
  }
  if (sec_params[SECURITY_CONFIG_INTEGRITY_IDX].numelt > 4) {
    LOG_E(RRC, "too much integrity algorithms in section \"security\" of the configuration file, maximum is 4\n");
    exit(1);
  }

  /* get ciphering algorithms */
  rrc->security.ciphering_algorithms_count = 0;
  for (i = 0; i < sec_params[SECURITY_CONFIG_CIPHERING_IDX].numelt; i++) {
    if (!strcmp(sec_params[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea0")) {
      rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 0;
      rrc->security.ciphering_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea1")) {
      rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 1;
      rrc->security.ciphering_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea2")) {
      rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 2;
      rrc->security.ciphering_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i], "nea3")) {
      rrc->security.ciphering_algorithms[rrc->security.ciphering_algorithms_count] = 3;
      rrc->security.ciphering_algorithms_count++;
      continue;
    }
    LOG_E(RRC, "unknown ciphering algorithm \"%s\" in section \"security\" of the configuration file\n",
          sec_params[SECURITY_CONFIG_CIPHERING_IDX].strlistptr[i]);
    exit(1);
  }

  /* get integrity algorithms */
  rrc->security.integrity_algorithms_count = 0;
  for (i = 0; i < sec_params[SECURITY_CONFIG_INTEGRITY_IDX].numelt; i++) {
    if (!strcmp(sec_params[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia0")) {
      rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 0;
      rrc->security.integrity_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia1")) {
      rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 1;
      rrc->security.integrity_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia2")) {
      rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 2;
      rrc->security.integrity_algorithms_count++;
      continue;
    }
    if (!strcmp(sec_params[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i], "nia3")) {
      rrc->security.integrity_algorithms[rrc->security.integrity_algorithms_count] = 3;
      rrc->security.integrity_algorithms_count++;
      continue;
    }
    LOG_E(RRC, "unknown integrity algorithm \"%s\" in section \"security\" of the configuration file\n",
          sec_params[SECURITY_CONFIG_INTEGRITY_IDX].strlistptr[i]);
    exit(1);
  }

  if (rrc->security.ciphering_algorithms_count == 0) {
    LOG_W(RRC, "no preferred ciphering algorithm set in configuration file, applying default parameters (no security)\n");
    rrc->security.ciphering_algorithms[0]    = 0;  /* nea0 = no ciphering */
    rrc->security.ciphering_algorithms_count = 1;
  }

  if (rrc->security.integrity_algorithms_count == 0) {
    LOG_W(RRC, "no preferred integrity algorithm set in configuration file, applying default parameters (nia2)\n");
    rrc->security.integrity_algorithms[0]    = 2;  /* nia2 */
    rrc->security.integrity_algorithms[1]    = 0;  /* nia0 = no integrity */
    rrc->security.integrity_algorithms_count = 2;
  }

  if (!strcmp(*sec_params[SECURITY_CONFIG_DO_DRB_CIPHERING_IDX].strptr, "yes")) {
    rrc->security.do_drb_ciphering = 1;
  } else if (!strcmp(*sec_params[SECURITY_CONFIG_DO_DRB_CIPHERING_IDX].strptr, "no")) {
    rrc->security.do_drb_ciphering = 0;
  } else {
    LOG_E(RRC, "in configuration file, bad drb_ciphering value '%s', only 'yes' and 'no' allowed\n",
          *sec_params[SECURITY_CONFIG_DO_DRB_CIPHERING_IDX].strptr);
    exit(1);
  }

  if (!strcmp(*sec_params[SECURITY_CONFIG_DO_DRB_INTEGRITY_IDX].strptr, "yes")) {
    rrc->security.do_drb_integrity = 1;
  } else if (!strcmp(*sec_params[SECURITY_CONFIG_DO_DRB_INTEGRITY_IDX].strptr, "no")) {
    rrc->security.do_drb_integrity = 0;
  } else {
    LOG_E(RRC, "in configuration file, bad drb_integrity value '%s', only 'yes' and 'no' allowed\n",
          *sec_params[SECURITY_CONFIG_DO_DRB_INTEGRITY_IDX].strptr);
    exit(1);
  }
}

void RCconfig_NRRRC(MessageDef *msg_p, uint32_t i, gNB_RRC_INST *rrc) {

  int                    num_gnbs                                                      = 0;
  char aprefix[MAX_OPTNAME_SIZE*2 + 8];
  int32_t                gnb_id                                                        = 0;
  int                    k                                                             = 0;

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  ////////// Identification parameters
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};

  NR_ServingCellConfigCommon_t *scc = calloc(1,sizeof(*scc));
  uint64_t ssb_bitmap=0xff;
  prepare_scc(scc);
  paramdef_t SCCsParams[] = SCCPARAMS_DESC(scc);
  paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};

  // Serving Cell Config Dedicated
  NR_ServingCellConfig_t *scd = calloc(1,sizeof(NR_ServingCellConfig_t));
  memset((void*)scd,0,sizeof(NR_ServingCellConfig_t));
  prepare_scd(scd);
  paramdef_t SCDsParams[] = SCDPARAMS_DESC(scd);
  paramlist_def_t SCDsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGDEDICATED, NULL, 0};

   ////////// Physical parameters

  /* get global parameters, defined outside any section in the config file */
 
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
  AssertFatal (i<num_gnbs,"Failed to parse config file no %ith element in %s \n",i, GNB_CONFIG_STRING_ACTIVE_GNBS);

  if (num_gnbs>0) {

    // Output a list of all gNBs. ////////// Identification parameters
    config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL); 
    
    if (GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr == NULL) {
    // Calculate a default gNB ID
      if (get_softmodem_params()->sa) { 
        uint32_t hash;
        hash = ngap_generate_gNB_id ();
        gnb_id = i + (hash & 0xFFFFFF8);
      } else {
        gnb_id = i;
      }
    } else {
      gnb_id = *(GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr);
    }

    // pdcch_ConfigSIB1
    rrc->carrier.pdcch_ConfigSIB1 = calloc(1,sizeof(NR_PDCCH_ConfigSIB1_t));
    paramdef_t pdcch_ConfigSIB1[] = PDCCH_CONFIGSIB1PARAMS_DESC(rrc->carrier.pdcch_ConfigSIB1);
    paramlist_def_t pdcch_ConfigSIB1ParamList = {GNB_CONFIG_STRING_PDCCH_CONFIGSIB1, NULL, 0};
    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
    config_getlist(&pdcch_ConfigSIB1ParamList, NULL, 0, aprefix);
    if (pdcch_ConfigSIB1ParamList.numelt > 0) {
        sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_PDCCH_CONFIGSIB1, 0);
        config_get(pdcch_ConfigSIB1,sizeof(pdcch_ConfigSIB1)/sizeof(paramdef_t),aprefix);
    }

    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);

    config_getlist(&SCCsParamList, NULL, 0, aprefix);
    if (SCCsParamList.numelt > 0) {    
      sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, 0);
      config_get( SCCsParams,sizeof(SCCsParams)/sizeof(paramdef_t),aprefix);  
      LOG_I(RRC,"Read in ServingCellConfigCommon (PhysCellId %d, ABSFREQSSB %d, DLBand %d, ABSFREQPOINTA %d, DLBW %d,RACH_TargetReceivedPower %d\n",
	    (int)*scc->physCellId,
	    (int)*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB,
	    (int)*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],
	    (int)scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA,
	    (int)scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
	    (int)scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleReceivedTargetPower);
      fix_scc(scc,ssb_bitmap);
    }

    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);

    config_getlist(&SCDsParamList, NULL, 0, aprefix);
    if (SCDsParamList.numelt > 0) {    
      sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_SERVINGCELLCONFIGDEDICATED, 0);
      config_get( SCDsParams,sizeof(SCDsParams)/sizeof(paramdef_t),aprefix);  
      LOG_I(RRC,"Read in ServingCellConfigDedicated UL (FreqDensity_0 %d, FreqDensity_1 %d, TimeDensity_0 %d, TimeDensity_1 %d, TimeDensity_2 %d, RE offset %d, First_active_BWP_ID %d SCS %d, LocationandBW %d \n",
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->frequencyDensity->list.array[0],
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->frequencyDensity->list.array[1],
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.array[0],
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.array[1],
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->timeDensity->list.array[2],
      (int)*scd->uplinkConfig->uplinkBWP_ToAddModList->list.array[0]->bwp_Dedicated->pusch_Config->choice.setup->dmrs_UplinkForPUSCH_MappingTypeB->choice.setup->phaseTrackingRS->choice.setup->transformPrecoderDisabled->resourceElementOffset,
      (int)*scd->firstActiveDownlinkBWP_Id,
      (int)scd->downlinkBWP_ToAddModList->list.array[0]->bwp_Common->genericParameters.subcarrierSpacing,
      (int)scd->downlinkBWP_ToAddModList->list.array[0]->bwp_Common->genericParameters.locationAndBandwidth
      );
    }
    fix_scd(scd);

    printf("NRRRC %d: Southbound Transport %s\n",i,*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr));

    if (strcmp(*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr), "f1") == 0) {
      paramdef_t SCTPParams[]  = GNBSCTPPARAMS_DESC;
      char aprefix[MAX_OPTNAME_SIZE*2 + 8];
      sprintf(aprefix,"%s.[%u].%s",GNB_CONFIG_STRING_GNB_LIST,i,GNB_CONFIG_STRING_SCTP_CONFIG);
      config_get(SCTPParams,sizeof(SCTPParams)/sizeof(paramdef_t),aprefix);
      rrc->node_id        = *(GNBParamList.paramarray[0][GNB_GNB_ID_IDX].uptr);
      LOG_I(GNB_APP,"F1AP: gNB_CU_id[%d] %d\n",k,rrc->node_id);
      rrc->node_name = strdup(*(GNBParamList.paramarray[0][GNB_GNB_NAME_IDX].strptr));
      LOG_I(GNB_APP,"F1AP: gNB_CU_name[%d] %s\n",k,rrc->node_name);
      rrc->eth_params_s.local_if_name            = strdup(*(GNBParamList.paramarray[i][GNB_LOCAL_S_IF_NAME_IDX].strptr));
      rrc->eth_params_s.my_addr                  = strdup(*(GNBParamList.paramarray[i][GNB_LOCAL_S_ADDRESS_IDX].strptr));
      rrc->eth_params_s.remote_addr              = strdup(*(GNBParamList.paramarray[i][GNB_REMOTE_S_ADDRESS_IDX].strptr));
      rrc->eth_params_s.my_portc                 = *(GNBParamList.paramarray[i][GNB_LOCAL_S_PORTC_IDX].uptr);
      rrc->eth_params_s.remote_portc             = *(GNBParamList.paramarray[i][GNB_REMOTE_S_PORTC_IDX].uptr);
      rrc->eth_params_s.my_portd                 = *(GNBParamList.paramarray[i][GNB_LOCAL_S_PORTD_IDX].uptr);
      rrc->eth_params_s.remote_portd             = *(GNBParamList.paramarray[i][GNB_REMOTE_S_PORTD_IDX].uptr);
      rrc->eth_params_s.transp_preference        = ETH_UDP_MODE;
      rrc->node_type                             = ngran_gNB_CU;
      rrc->sctp_in_streams                       = (uint16_t)*(SCTPParams[GNB_SCTP_INSTREAMS_IDX].uptr);
      rrc->sctp_out_streams                      = (uint16_t)*(SCTPParams[GNB_SCTP_OUTSTREAMS_IDX].uptr);
    } else {
      // set to ngran_gNB for now, it will get set to ngran_gNB_DU if macrlc entity which uses F1 is present
      // Note: we will have to handle the case of ngran_ng_gNB_DU
      if (macrlc_has_f1 == 0) {
        rrc->node_type = ngran_gNB;
        LOG_I(NR_RRC,"Setting node_type to ngran_gNB\n");
      } else {
        rrc->node_type = ngran_gNB_DU;
        LOG_I(NR_RRC,"Setting node_type to ngran_gNB_DU\n");
      }
    }

    rrc->nr_cellid        = (uint64_t)*(GNBParamList.paramarray[i][GNB_NRCELLID_IDX].u64ptr);

    rrc->um_on_default_drb = *(GNBParamList.paramarray[i][GNB_UMONDEFAULTDRB_IDX].uptr);
    if (strcmp(*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr), "local_mac") == 0) {
      
    } else if (strcmp(*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr), "cudu") == 0) {
      rrc->eth_params_s.local_if_name            = strdup(*(GNBParamList.paramarray[i][GNB_LOCAL_S_IF_NAME_IDX].strptr));
      rrc->eth_params_s.my_addr                  = strdup(*(GNBParamList.paramarray[i][GNB_LOCAL_S_ADDRESS_IDX].strptr));
      rrc->eth_params_s.remote_addr              = strdup(*(GNBParamList.paramarray[i][GNB_REMOTE_S_ADDRESS_IDX].strptr));
      rrc->eth_params_s.my_portc                 = *(GNBParamList.paramarray[i][GNB_LOCAL_S_PORTC_IDX].uptr);
      rrc->eth_params_s.remote_portc             = *(GNBParamList.paramarray[i][GNB_REMOTE_S_PORTC_IDX].uptr);
      rrc->eth_params_s.my_portd                 = *(GNBParamList.paramarray[i][GNB_LOCAL_S_PORTD_IDX].uptr);
      rrc->eth_params_s.remote_portd             = *(GNBParamList.paramarray[i][GNB_REMOTE_S_PORTD_IDX].uptr);
      rrc->eth_params_s.transp_preference        = ETH_UDP_MODE;
    } else { // other midhaul
    }       
    
    // search if in active list
    
    for (k=0; k <num_gnbs ; k++) {
      if (strcmp(GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[k], *(GNBParamList.paramarray[i][GNB_GNB_NAME_IDX].strptr) )== 0) {
	
        char gnbpath[MAX_OPTNAME_SIZE + 8];
        sprintf(gnbpath,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);

	
        paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;

        paramlist_def_t PLMNParamList = {GNB_CONFIG_STRING_PLMN_LIST, NULL, 0};
        /* map parameter checking array instances to parameter definition array instances */
        checkedparam_t config_check_PLMNParams [] = PLMNPARAMS_CHECK;

        for (int I = 0; I < sizeof(PLMNParams) / sizeof(paramdef_t); ++I)
          PLMNParams[I].chkPptr = &(config_check_PLMNParams[I]);

        NRRRC_CONFIGURATION_REQ (msg_p).cell_identity     = gnb_id;
        NRRRC_CONFIGURATION_REQ (msg_p).tac               = *GNBParamList.paramarray[i][GNB_TRACKING_AREA_CODE_IDX].uptr;
        AssertFatal(!GNBParamList.paramarray[i][GNB_MOBILE_COUNTRY_CODE_IDX_OLD].strptr
                    && !GNBParamList.paramarray[i][GNB_MOBILE_NETWORK_CODE_IDX_OLD].strptr,
                    "It seems that you use an old configuration file. Please change the existing\n"
                    "    tracking_area_code  =  \"1\";\n"
                    "    mobile_country_code =  \"208\";\n"
                    "    mobile_network_code =  \"93\";\n"
                    "to\n"
                    "    tracking_area_code  =  1; // no string!!\n"
                    "    plmn_list = ( { mcc = 208; mnc = 93; mnc_length = 2; } )\n");
        config_getlist(&PLMNParamList, PLMNParams, sizeof(PLMNParams)/sizeof(paramdef_t), gnbpath);

        if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
          AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
                      PLMNParamList.numelt);

        NRRRC_CONFIGURATION_REQ(msg_p).num_plmn = PLMNParamList.numelt;

        for (int l = 0; l < PLMNParamList.numelt; ++l) {
	
	  NRRRC_CONFIGURATION_REQ (msg_p).mcc[l]               = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
	  NRRRC_CONFIGURATION_REQ (msg_p).mnc[l]               = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
	  NRRRC_CONFIGURATION_REQ (msg_p).mnc_digit_length[l]  = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
	  AssertFatal((NRRRC_CONFIGURATION_REQ (msg_p).mnc_digit_length[l] == 2) ||
		      (NRRRC_CONFIGURATION_REQ (msg_p).mnc_digit_length[l] == 3),"BAD MNC DIGIT LENGTH %d",
		      NRRRC_CONFIGURATION_REQ (msg_p).mnc_digit_length[l]);
	}
        LOG_I(GNB_APP,"pdsch_AntennaPorts N1 %d\n",*GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_N1_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pdsch_AntennaPorts.N1 = *GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_N1_IDX].iptr;
        LOG_I(GNB_APP,"pdsch_AntennaPorts N2 %d\n",*GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_N2_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pdsch_AntennaPorts.N2 = *GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_N2_IDX].iptr;
        LOG_I(GNB_APP,"pdsch_AntennaPorts XP %d\n",*GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_XP_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pdsch_AntennaPorts.XP = *GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_XP_IDX].iptr;
        LOG_I(GNB_APP,"pusch_AntennaPorts %d\n",*GNBParamList.paramarray[i][GNB_PUSCH_ANTENNAPORTS_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pusch_AntennaPorts = *GNBParamList.paramarray[i][GNB_PUSCH_ANTENNAPORTS_IDX].iptr;
        LOG_I(GNB_APP,"minTXRXTIME %d\n",*GNBParamList.paramarray[i][GNB_MINRXTXTIME_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).minRXTXTIME = *GNBParamList.paramarray[i][GNB_MINRXTXTIME_IDX].iptr;
        LOG_I(GNB_APP,"SIB1 TDA %d\n",*GNBParamList.paramarray[i][GNB_SIB1_TDA_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).sib1_tda = *GNBParamList.paramarray[i][GNB_SIB1_TDA_IDX].iptr;
        LOG_I(GNB_APP,"Do CSI-RS %d\n",*GNBParamList.paramarray[i][GNB_DO_CSIRS_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).do_CSIRS = *GNBParamList.paramarray[i][GNB_DO_CSIRS_IDX].iptr;
        LOG_I(GNB_APP, "Do SRS %d\n",*GNBParamList.paramarray[i][GNB_DO_SRS_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).do_SRS = *GNBParamList.paramarray[i][GNB_DO_SRS_IDX].iptr;
        NRRRC_CONFIGURATION_REQ (msg_p).force_256qam_off = *GNBParamList.paramarray[i][GNB_FORCE256QAMOFF_IDX].iptr;
        LOG_I(GNB_APP, "256 QAM: %s\n", NRRRC_CONFIGURATION_REQ (msg_p).force_256qam_off ? "force off" : "may be on");
        NRRRC_CONFIGURATION_REQ (msg_p).scc = scc;
        NRRRC_CONFIGURATION_REQ (msg_p).scd = scd;
        NRRRC_CONFIGURATION_REQ (msg_p).enable_sdap = *GNBParamList.paramarray[i][GNB_ENABLE_SDAP_IDX].iptr;
        LOG_I(GNB_APP, "SDAP layer is %s\n", NRRRC_CONFIGURATION_REQ (msg_p).enable_sdap ? "enabled" : "disabled");
        NRRRC_CONFIGURATION_REQ (msg_p).drbs = *GNBParamList.paramarray[i][GNB_DRBS].iptr;
        LOG_I(GNB_APP, "Data Radio Bearer count %d\n", NRRRC_CONFIGURATION_REQ (msg_p).drbs);

      }//
    }//End for (k=0; k <num_gnbs ; k++)
    memcpy(&rrc->configuration, &NRRRC_CONFIGURATION_REQ(msg_p), sizeof(NRRRC_CONFIGURATION_REQ(msg_p)));
  }//End if (num_gnbs>0)

  config_security(rrc);
}//End RCconfig_NRRRC function

int RCconfig_nr_gtpu(void ) {

  int               num_gnbs                      = 0;
  char*             gnb_ipv4_address_for_NGU      = NULL;
  uint32_t          gnb_port_for_NGU              = 0;
  char*             gnb_ipv4_address_for_S1U      = NULL;
  uint32_t          gnb_port_for_S1U              = 0;
  char gtpupath[MAX_OPTNAME_SIZE*2 + 8];

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  paramdef_t NETParams[]  =  GNBNETPARAMS_DESC;
  LOG_I(GTPU,"Configuring GTPu\n");

/* get number of active eNodeBs */
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
  AssertFatal (num_gnbs >0,
           "Failed to parse config file no active gNodeBs in %s \n", GNB_CONFIG_STRING_ACTIVE_GNBS);

  sprintf(gtpupath,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
  config_get(NETParams,sizeof(NETParams)/sizeof(paramdef_t),gtpupath); 
  char *cidr=NULL, *address = NULL;
  int port;
  if (NETParams[1].strptr != NULL) {
    LOG_I(GTPU, "SA mode \n");
    address = strtok_r(gnb_ipv4_address_for_NGU, "/", &cidr);
    port=gnb_port_for_NGU;
  } else { 
    LOG_I(GTPU, "NSA mode \n");
    address = strtok_r(gnb_ipv4_address_for_S1U, "/", &cidr);
    port=gnb_port_for_S1U;
  }

  if (address) {
    MessageDef *message;
    message = itti_alloc_new_message(TASK_GNB_APP, 0, GTPV1U_REQ);
    AssertFatal(message!=NULL,"");
    IPV4_STR_ADDR_TO_INT_NWBO (address, GTPV1U_REQ(message).localAddr, "BAD IP ADDRESS FORMAT FOR gNB NG_U !\n" );
    LOG_I(GTPU,"Configuring GTPu address : %s -> %x\n",address,GTPV1U_REQ(message).localAddr);
    GTPV1U_REQ(message).localPort = port;
    strcpy(GTPV1U_REQ(message).localAddrStr,address);
    sprintf(GTPV1U_REQ(message).localPortStr,"%d", port);
    itti_send_msg_to_task (TASK_GTPV1_U, 0, message); // data model is wrong: gtpu doesn't have enb_id (or module_id)
  } else
    LOG_E(GTPU,"invalid address for NGU or S1U\n");
  
return 0;
}

int RCconfig_NR_NG(MessageDef *msg_p, uint32_t i) {

  int               j,k = 0;
  int               gnb_id;
  int32_t           my_int;
  const char*       active_gnb[MAX_GNB];
  char             *address                       = NULL;
  char             *cidr                          = NULL;

  // for no gcc warnings 

  (void)  my_int;

  memset((char*)active_gnb,0,MAX_GNB* sizeof(char*));
  char*             gnb_ipv4_address_for_NGU      = NULL;
  uint32_t          gnb_port_for_NGU              = 0;
  char*             gnb_ipv4_address_for_S1U      = NULL;
  uint32_t          gnb_port_for_S1U              = 0;

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};

  /* get global parameters, defined outside any section in the config file */
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  
  AssertFatal (i<GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt,
     "Failed to parse config file %s, %uth attribute %s \n",
     RC.config_file_name, i, GNB_CONFIG_STRING_ACTIVE_GNBS);
    
  
  if (GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt>0) {
    // Output a list of all gNBs.
       config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL); 
    if (GNBParamList.numelt > 0) {
      for (k = 0; k < GNBParamList.numelt; k++) {
        if (GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr == NULL) {
          // Calculate a default gNB ID
          if (get_softmodem_params()->sa) {
            uint32_t hash;
          
          hash = ngap_generate_gNB_id ();
          gnb_id = k + (hash & 0xFFFFFF8);
          } else {
            gnb_id = k;
          }
        } else {
          gnb_id = *(GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr);
        }
  
  
        // search if in active list
        for (j=0; j < GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt; j++) {
          if (strcmp(GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[j], *(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr)) == 0) {
            paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;
            paramlist_def_t PLMNParamList = {GNB_CONFIG_STRING_PLMN_LIST, NULL, 0};
            paramdef_t SNSSAIParams[] = GNBSNSSAIPARAMS_DESC;
            paramlist_def_t SNSSAIParamList = {GNB_CONFIG_STRING_SNSSAI_LIST, NULL, 0};
            /* map parameter checking array instances to parameter definition array instances */
            checkedparam_t config_check_PLMNParams [] = PLMNPARAMS_CHECK;
            checkedparam_t config_check_SNSSAIParams [] = SNSSAIPARAMS_CHECK;

            for (int I = 0; I < sizeof(PLMNParams) / sizeof(paramdef_t); ++I)
              PLMNParams[I].chkPptr = &(config_check_PLMNParams[I]);
            for (int J = 0; J < sizeof(SNSSAIParams) / sizeof(paramdef_t); ++J)
              SNSSAIParams[J].chkPptr = &(config_check_SNSSAIParams[J]);

            paramdef_t NGParams[]  = GNBNGPARAMS_DESC;
            paramlist_def_t NGParamList = {GNB_CONFIG_STRING_AMF_IP_ADDRESS,NULL,0};
            
            paramdef_t SCTPParams[]  = GNBSCTPPARAMS_DESC;
            paramdef_t NETParams[]  =  GNBNETPARAMS_DESC;
            char aprefix[MAX_OPTNAME_SIZE*2 + 8];
            sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k);
            
            NGAP_REGISTER_GNB_REQ (msg_p).gNB_id = gnb_id;
            
            if (strcmp(*(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr), "CELL_MACRO_GNB") == 0) {
              NGAP_REGISTER_GNB_REQ (msg_p).cell_type = CELL_MACRO_GNB;
            } else  if (strcmp(*(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr), "CELL_HOME_GNB") == 0) {
              NGAP_REGISTER_GNB_REQ (msg_p).cell_type = CELL_HOME_ENB;
            } else {
              AssertFatal (0,
              "Failed to parse gNB configuration file %s, gnb %d unknown value \"%s\" for cell_type choice: CELL_MACRO_GNB or CELL_HOME_GNB !\n",
              RC.config_file_name, i, *(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr));
            }
            
            NGAP_REGISTER_GNB_REQ (msg_p).gNB_name         = strdup(*(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr));
            NGAP_REGISTER_GNB_REQ (msg_p).tac              = *GNBParamList.paramarray[k][GNB_TRACKING_AREA_CODE_IDX].uptr;
            AssertFatal(!GNBParamList.paramarray[k][GNB_MOBILE_COUNTRY_CODE_IDX_OLD].strptr
                        && !GNBParamList.paramarray[k][GNB_MOBILE_NETWORK_CODE_IDX_OLD].strptr,
                        "It seems that you use an old configuration file. Please change the existing\n"
                        "    tracking_area_code  =  \"1\";\n"
                        "    mobile_country_code =  \"208\";\n"
                        "    mobile_network_code =  \"93\";\n"
                        "to\n"
                        "    tracking_area_code  =  1; // no string!!\n"
                        "    plmn_list = ( { mcc = 208; mnc = 93; mnc_length = 2; } )\n");
            config_getlist(&PLMNParamList, PLMNParams, sizeof(PLMNParams)/sizeof(paramdef_t), aprefix);

            if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
              AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
                          PLMNParamList.numelt);

            NGAP_REGISTER_GNB_REQ(msg_p).num_plmn = PLMNParamList.numelt;

            for (int l = 0; l < PLMNParamList.numelt; ++l) {
              char snssaistr[MAX_OPTNAME_SIZE*2 + 8];
              sprintf(snssaistr, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k, GNB_CONFIG_STRING_PLMN_LIST, l);
              config_getlist(&SNSSAIParamList, SNSSAIParams, sizeof(SNSSAIParams)/sizeof(paramdef_t), snssaistr);

              NGAP_REGISTER_GNB_REQ (msg_p).mcc[l]              = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
              NGAP_REGISTER_GNB_REQ (msg_p).mnc[l]              = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
              NGAP_REGISTER_GNB_REQ (msg_p).mnc_digit_length[l] = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
              NGAP_REGISTER_GNB_REQ (msg_p).default_drx      = 0;
              AssertFatal((NGAP_REGISTER_GNB_REQ (msg_p).mnc_digit_length[l] == 2) ||
                          (NGAP_REGISTER_GNB_REQ (msg_p).mnc_digit_length[l] == 3),
                          "BAD MNC DIGIT LENGTH %d",
                          NGAP_REGISTER_GNB_REQ (msg_p).mnc_digit_length[l]);
              
              NGAP_REGISTER_GNB_REQ (msg_p).num_nssai[l] = SNSSAIParamList.numelt;
              for (int s = 0; s < SNSSAIParamList.numelt; ++s) {
              
                NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sST = *SNSSAIParamList.paramarray[s][GNB_SLICE_SERVICE_TYPE_IDX].uptr;
                NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sD_flag = 0;
                if(SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr != 0               // SD is optional
                   && *SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr != 0xffffff) { // 0xffffff is "no SD", see 23.003 Sec 28.4.2
                  NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sD_flag = 1;
                  NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sD[0] = (*SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr & 0xFF0000) >> 16;
                  NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sD[1] = (*SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr & 0x00FF00) >> 8;
                  NGAP_REGISTER_GNB_REQ (msg_p).s_nssai[l][s].sD[2] = (*SNSSAIParamList.paramarray[s][GNB_SLICE_DIFFERENTIATOR_IDX].uptr & 0x0000FF);
                }
              }
            }
            sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
            config_getlist( &NGParamList,NGParams,sizeof(NGParams)/sizeof(paramdef_t),aprefix); 
            
            NGAP_REGISTER_GNB_REQ (msg_p).nb_amf = 0;
            
            for (int l = 0; l < NGParamList.numelt; l++) {
              
              NGAP_REGISTER_GNB_REQ (msg_p).nb_amf += 1;
              
              strcpy(NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[l].ipv4_address,*(NGParamList.paramarray[l][GNB_AMF_IPV4_ADDRESS_IDX].strptr));
              strcpy(NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[l].ipv6_address,*(NGParamList.paramarray[l][GNB_AMF_IPV6_ADDRESS_IDX].strptr));

              if (strcmp(*(NGParamList.paramarray[l][GNB_AMF_IP_ADDRESS_ACTIVE_IDX].strptr), "yes") == 0) {
              } 
              if (strcmp(*(NGParamList.paramarray[l][GNB_AMF_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv4") == 0) {
                NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[j].ipv4 = 1;
              } else if (strcmp(*(NGParamList.paramarray[l][GNB_AMF_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv6") == 0) {
                NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[j].ipv6 = 1;
              } else if (strcmp(*(NGParamList.paramarray[l][GNB_AMF_IP_ADDRESS_PREFERENCE_IDX].strptr), "no") == 0) {
                NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[j].ipv4 = 1;
                NGAP_REGISTER_GNB_REQ (msg_p).amf_ip_address[j].ipv6 = 1;
              }

              /* not in configuration yet ...
              if (NGParamList.paramarray[l][GNB_AMF_BROADCAST_PLMN_INDEX].iptr)
                NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] = NGParamList.paramarray[l][GNB_AMF_BROADCAST_PLMN_INDEX].numelt;
              else
                NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] = 0;
              */

              AssertFatal(NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] <= NGAP_REGISTER_GNB_REQ(msg_p).num_plmn,
                          "List of broadcast PLMN to be sent to AMF can not be longer than actual "
                          "PLMN list (max %d, but is %d)\n",
                          NGAP_REGISTER_GNB_REQ(msg_p).num_plmn,
                          NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l]);

              for (int el = 0; el < NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l]; ++el) {
                /* UINTARRAY gets mapped to int, see config_libconfig.c:223 */
                NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_index[l][el] = NGParamList.paramarray[l][GNB_AMF_BROADCAST_PLMN_INDEX].iptr[el];
                AssertFatal(NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_index[l][el] >= 0
                            && NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_index[l][el] < NGAP_REGISTER_GNB_REQ(msg_p).num_plmn,
                            "index for AMF's MCC/MNC (%d) is an invalid index for the registered PLMN IDs (%d)\n",
                            NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_index[l][el],
                            NGAP_REGISTER_GNB_REQ(msg_p).num_plmn);
              }

              /* if no broadcasst_plmn array is defined, fill default values */
              if (NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] == 0) {
                NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] = NGAP_REGISTER_GNB_REQ(msg_p).num_plmn;

                for (int el = 0; el < NGAP_REGISTER_GNB_REQ(msg_p).num_plmn; ++el)
                  NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_index[l][el] = el;
              }
              
            }

          
            // SCTP SETTING
            NGAP_REGISTER_GNB_REQ (msg_p).sctp_out_streams = SCTP_OUT_STREAMS;
            NGAP_REGISTER_GNB_REQ (msg_p).sctp_in_streams  = SCTP_IN_STREAMS;
            if (get_softmodem_params()->sa) {
              sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_SCTP_CONFIG);
              config_get( SCTPParams,sizeof(SCTPParams)/sizeof(paramdef_t),aprefix); 
              NGAP_REGISTER_GNB_REQ (msg_p).sctp_in_streams = (uint16_t)*(SCTPParams[GNB_SCTP_INSTREAMS_IDX].uptr);
              NGAP_REGISTER_GNB_REQ (msg_p).sctp_out_streams = (uint16_t)*(SCTPParams[GNB_SCTP_OUTSTREAMS_IDX].uptr);
            }

            sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
            // NETWORK_INTERFACES
            config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix); 
            
            //    NGAP_REGISTER_GNB_REQ (msg_p).enb_interface_name_for_NGU = strdup(enb_interface_name_for_NGU);
            cidr = *(NETParams[GNB_IPV4_ADDRESS_FOR_NG_AMF_IDX].strptr);
            char *save = NULL;
            address = strtok_r(cidr, "/", &save);
            
            NGAP_REGISTER_GNB_REQ (msg_p).gnb_ip_address.ipv6 = 0;
            NGAP_REGISTER_GNB_REQ (msg_p).gnb_ip_address.ipv4 = 1;
            
            strcpy(NGAP_REGISTER_GNB_REQ (msg_p).gnb_ip_address.ipv4_address, address);
            
            break;
          }
        }
      }
    }
  }
  return 0;
}

int RCconfig_nr_parallel(void) {
  char *parallel_conf = NULL;
  char *worker_conf   = NULL;
  extern char *parallel_config;
  extern char *worker_config;
  paramdef_t ThreadParams[]  = THREAD_CONF_DESC;
  paramlist_def_t THREADParamList = {THREAD_CONFIG_STRING_THREAD_STRUCT,NULL,0};
  config_getlist( &THREADParamList,NULL,0,NULL);

  if(THREADParamList.numelt>0) {
    config_getlist( &THREADParamList,ThreadParams,sizeof(ThreadParams)/sizeof(paramdef_t),NULL);
    parallel_conf = strdup(*(THREADParamList.paramarray[0][THREAD_PARALLEL_IDX].strptr));
  } else {
    parallel_conf = strdup("PARALLEL_RU_L1_TRX_SPLIT");
  }

  if(THREADParamList.numelt>0) {
    config_getlist( &THREADParamList,ThreadParams,sizeof(ThreadParams)/sizeof(paramdef_t),NULL);
    worker_conf   = strdup(*(THREADParamList.paramarray[0][THREAD_WORKER_IDX].strptr));
  } else {
    worker_conf   = strdup("WORKER_ENABLE");
  }

  if(parallel_config == NULL) set_parallel_conf(parallel_conf);
  if(worker_config == NULL)   set_worker_conf(worker_conf);

  return 0;
}

void NRRCConfig(void) {

  paramlist_def_t MACRLCParamList = {CONFIG_STRING_MACRLC_LIST,NULL,0};
  paramlist_def_t L1ParamList     = {CONFIG_STRING_L1_LIST,NULL,0};
  paramlist_def_t RUParamList     = {CONFIG_STRING_RU_LIST,NULL,0};
  paramdef_t GNBSParams[]         = GNBSPARAMS_DESC;
  
/* get global parameters, defined outside any section in the config file */

  LOG_I(GNB_APP, "Getting GNBSParams\n");
 
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  RC.nb_nr_inst = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;

  // Get num MACRLC instances
  config_getlist( &MACRLCParamList,NULL,0, NULL);
  RC.nb_nr_macrlc_inst  = MACRLCParamList.numelt;
  // Get num L1 instances
  config_getlist( &L1ParamList,NULL,0, NULL);
  RC.nb_nr_L1_inst = L1ParamList.numelt;
  
  // Get num RU instances
  config_getlist( &RUParamList,NULL,0, NULL);  
  RC.nb_RU     = RUParamList.numelt; 
  
  RCconfig_nr_parallel();
    

}


int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
  int   J, l;
  char *address = NULL;
  char *cidr    = NULL;
  //int                    num_gnbs                                                      = 0;
  //int                    num_component_carriers                                        = 0;
  int                    j,k                                                           = 0;
  int32_t                gnb_id                                                        = 0;

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  ////////// Identification parameters
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};
  /* get global parameters, defined outside any section in the config file */
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL);
  NR_ServingCellConfigCommon_t *scc = calloc(1,sizeof(NR_ServingCellConfigCommon_t));
  uint64_t ssb_bitmap=0xff;
  memset((void*)scc,0,sizeof(NR_ServingCellConfigCommon_t));
  prepare_scc(scc);
  paramdef_t SCCsParams[] = SCCPARAMS_DESC(scc);
  paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};

  AssertFatal(i < GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt,
              "Failed to parse config file %s, %uth attribute %s \n",
              RC.config_file_name, i, GNB_CONFIG_STRING_ACTIVE_GNBS);

  if (GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt > 0) {
    // Output a list of all gNBs.
    config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL);

    if (GNBParamList.numelt > 0) {
      for (k = 0; k < GNBParamList.numelt; k++) {
        if (GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr == NULL) {
          // Calculate a default eNB ID
          if (get_softmodem_params()->sa) {
            uint32_t hash;
            hash = ngap_generate_gNB_id ();
            gnb_id = k + (hash & 0xFFFFFF8);
          } else {
            gnb_id = k;
          }
        } else {
          gnb_id = *(GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr);
        }

        // search if in active list
        for (j = 0; j < GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt; j++) {
          if (strcmp(GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[j], *(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr)) == 0) {
            paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;
            paramlist_def_t PLMNParamList = {GNB_CONFIG_STRING_PLMN_LIST, NULL, 0};
            /* map parameter checking array instances to parameter definition array instances */
            checkedparam_t config_check_PLMNParams [] = PLMNPARAMS_CHECK;

            for (int I = 0; I < sizeof(PLMNParams) / sizeof(paramdef_t); ++I)
              PLMNParams[I].chkPptr = &(config_check_PLMNParams[I]);

            paramdef_t X2Params[]  = X2PARAMS_DESC;
            paramlist_def_t X2ParamList = {ENB_CONFIG_STRING_TARGET_ENB_X2_IP_ADDRESS,NULL,0};
            paramdef_t SCTPParams[]  = GNBSCTPPARAMS_DESC;
	    char*             gnb_ipv4_address_for_NGU      = NULL;
	    uint32_t          gnb_port_for_NGU              = 0;
	    char*             gnb_ipv4_address_for_S1U      = NULL;
	    uint32_t          gnb_port_for_S1U              = 0;

            paramdef_t NETParams[]  =  GNBNETPARAMS_DESC;
            /* TODO: fix the size - if set lower we have a crash (MAX_OPTNAME_SIZE was 64 when this code was written) */
            /* this is most probably a problem with the config module */
            char aprefix[MAX_OPTNAME_SIZE*80 + 8];
            sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
            /* Some default/random parameters */
            X2AP_REGISTER_ENB_REQ (msg_p).eNB_id = gnb_id;

            if (strcmp(*(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr), "CELL_MACRO_GNB") == 0) {
              X2AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_GNB;
            }else {
              AssertFatal (0,
                           "Failed to parse eNB configuration file %s, enb %d unknown value \"%s\" for cell_type choice: CELL_MACRO_ENB or CELL_HOME_ENB !\n",
                           RC.config_file_name, i, *(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr));
            }

            X2AP_REGISTER_ENB_REQ (msg_p).eNB_name         = strdup(*(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr));
            X2AP_REGISTER_ENB_REQ (msg_p).tac              = *GNBParamList.paramarray[k][GNB_TRACKING_AREA_CODE_IDX].uptr;
            config_getlist(&PLMNParamList, PLMNParams, sizeof(PLMNParams)/sizeof(paramdef_t), aprefix);

            if (PLMNParamList.numelt < 1 || PLMNParamList.numelt > 6)
              AssertFatal(0, "The number of PLMN IDs must be in [1,6], but is %d\n",
                          PLMNParamList.numelt);

            if (PLMNParamList.numelt > 1)
              LOG_W(X2AP, "X2AP currently handles only one PLMN, ignoring the others!\n");

            X2AP_REGISTER_ENB_REQ (msg_p).mcc = *PLMNParamList.paramarray[0][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
            X2AP_REGISTER_ENB_REQ (msg_p).mnc = *PLMNParamList.paramarray[0][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
            X2AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length = *PLMNParamList.paramarray[0][GNB_MNC_DIGIT_LENGTH].u8ptr;
            AssertFatal(X2AP_REGISTER_ENB_REQ(msg_p).mnc_digit_length == 3
                        || X2AP_REGISTER_ENB_REQ(msg_p).mnc < 100,
                        "MNC %d cannot be encoded in two digits as requested (change mnc_digit_length to 3)\n",
                        X2AP_REGISTER_ENB_REQ(msg_p).mnc);

            sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);

            config_getlist(&SCCsParamList, NULL, 0, aprefix);
            if (SCCsParamList.numelt > 0) {
              sprintf(aprefix, "%s.[%i].%s.[%i]", GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, 0);
              config_get( SCCsParams,sizeof(SCCsParams)/sizeof(paramdef_t),aprefix);
              fix_scc(scc,ssb_bitmap);
            }
            X2AP_REGISTER_ENB_REQ (msg_p).num_cc = SCCsParamList.numelt;
            for (J = 0; J < SCCsParamList.numelt ; J++) {
              X2AP_REGISTER_ENB_REQ (msg_p).nr_band[J] = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]; //nr_band; //78
              X2AP_REGISTER_ENB_REQ (msg_p).nrARFCN[J] = scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
              X2AP_REGISTER_ENB_REQ (msg_p).uplink_frequency_offset[J] = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier; //0
              X2AP_REGISTER_ENB_REQ (msg_p).Nid_cell[J]= *scc->physCellId; //0
              X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J]=  scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;//106
              X2AP_REGISTER_ENB_REQ (msg_p).frame_type[J] = TDD;
              LOG_I(X2AP, "gNB configuration parameters: nr_band: %d, nr_ARFCN: %d, DL_RBs: %d, num_cc: %d \n",
                  X2AP_REGISTER_ENB_REQ (msg_p).nr_band[J],
                  X2AP_REGISTER_ENB_REQ (msg_p).nrARFCN[J],
                  X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J],
                  X2AP_REGISTER_ENB_REQ (msg_p).num_cc);
            }

            sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
            config_getlist( &X2ParamList,X2Params,sizeof(X2Params)/sizeof(paramdef_t),aprefix);
            AssertFatal(X2ParamList.numelt <= X2AP_MAX_NB_ENB_IP_ADDRESS,
                        "value of X2ParamList.numelt %d must be lower than X2AP_MAX_NB_ENB_IP_ADDRESS %d value: reconsider to increase X2AP_MAX_NB_ENB_IP_ADDRESS\n",
                        X2ParamList.numelt,X2AP_MAX_NB_ENB_IP_ADDRESS);
            X2AP_REGISTER_ENB_REQ (msg_p).nb_x2 = 0;

            for (l = 0; l < X2ParamList.numelt; l++) {
              X2AP_REGISTER_ENB_REQ (msg_p).nb_x2 += 1;
              strcpy(X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv4_address,*(X2ParamList.paramarray[l][ENB_X2_IPV4_ADDRESS_IDX].strptr));
              strcpy(X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv6_address,*(X2ParamList.paramarray[l][ENB_X2_IPV6_ADDRESS_IDX].strptr));

              if (strcmp(*(X2ParamList.paramarray[l][ENB_X2_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv4") == 0) {
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv4 = 1;
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv6 = 0;
              } else if (strcmp(*(X2ParamList.paramarray[l][ENB_X2_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv6") == 0) {
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv4 = 0;
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv6 = 1;
              } else if (strcmp(*(X2ParamList.paramarray[l][ENB_X2_IP_ADDRESS_PREFERENCE_IDX].strptr), "no") == 0) {
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv4 = 1;
                X2AP_REGISTER_ENB_REQ (msg_p).target_enb_x2_ip_address[l].ipv6 = 1;
              }
            }

            // timers
            {
              int t_reloc_prep = 0;
              int tx2_reloc_overall = 0;
              int t_dc_prep = 0;
              int t_dc_overall = 0;
              paramdef_t p[] = {
                { "t_reloc_prep", "t_reloc_prep", 0, iptr:&t_reloc_prep, defintval:0, TYPE_INT, 0 },
                { "tx2_reloc_overall", "tx2_reloc_overall", 0, iptr:&tx2_reloc_overall, defintval:0, TYPE_INT, 0 },
                { "t_dc_prep", "t_dc_prep", 0, iptr:&t_dc_prep, defintval:0, TYPE_INT, 0 },
                { "t_dc_overall", "t_dc_overall", 0, iptr:&t_dc_overall, defintval:0, TYPE_INT, 0 }
              };
              config_get(p, sizeof(p)/sizeof(paramdef_t), aprefix);

              if (t_reloc_prep <= 0 || t_reloc_prep > 10000 ||
                  tx2_reloc_overall <= 0 || tx2_reloc_overall > 20000 ||
                  t_dc_prep <= 0 || t_dc_prep > 10000 ||
                  t_dc_overall <= 0 || t_dc_overall > 20000) {
                LOG_E(X2AP, "timers in configuration file have wrong values. We must have [0 < t_reloc_prep <= 10000] and [0 < tx2_reloc_overall <= 20000] and [0 < t_dc_prep <= 10000] and [0 < t_dc_overall <= 20000]\n");
                exit(1);
              }

              X2AP_REGISTER_ENB_REQ (msg_p).t_reloc_prep = t_reloc_prep;
              X2AP_REGISTER_ENB_REQ (msg_p).tx2_reloc_overall = tx2_reloc_overall;
              X2AP_REGISTER_ENB_REQ (msg_p).t_dc_prep = t_dc_prep;
              X2AP_REGISTER_ENB_REQ (msg_p).t_dc_overall = t_dc_overall;
            }
            // SCTP SETTING
            X2AP_REGISTER_ENB_REQ (msg_p).sctp_out_streams = SCTP_OUT_STREAMS;
            X2AP_REGISTER_ENB_REQ (msg_p).sctp_in_streams  = SCTP_IN_STREAMS;

            if (get_softmodem_params()->sa) {
              sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_SCTP_CONFIG);
              config_get( SCTPParams,sizeof(SCTPParams)/sizeof(paramdef_t),aprefix);
              X2AP_REGISTER_ENB_REQ (msg_p).sctp_in_streams = (uint16_t)*(SCTPParams[GNB_SCTP_INSTREAMS_IDX].uptr);
              X2AP_REGISTER_ENB_REQ (msg_p).sctp_out_streams = (uint16_t)*(SCTPParams[GNB_SCTP_OUTSTREAMS_IDX].uptr);
            }

            sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
            // NETWORK_INTERFACES
            config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix);
            X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C = (uint32_t)*(NETParams[GNB_PORT_FOR_X2C_IDX].uptr);

            //temp out
            if ((NETParams[GNB_IPV4_ADDR_FOR_X2C_IDX].strptr == NULL) || (X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C == 0)) {
              LOG_E(RRC,"Add eNB IPv4 address and/or port for X2C in the CONF file!\n");
              exit(1);
            }

            cidr = *(NETParams[ENB_IPV4_ADDR_FOR_X2C_IDX].strptr);
            char *save = NULL;
            address = strtok_r(cidr, "/", &save);
            X2AP_REGISTER_ENB_REQ (msg_p).enb_x2_ip_address.ipv6 = 0;
            X2AP_REGISTER_ENB_REQ (msg_p).enb_x2_ip_address.ipv4 = 1;
            strcpy(X2AP_REGISTER_ENB_REQ (msg_p).enb_x2_ip_address.ipv4_address, address);
          }
        }
      }
    }
  }

  return 0;
}

int RCconfig_NR_DU_F1(MessageDef *msg_p, uint32_t i) {
  int k;
  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};
  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL);
  int num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
  AssertFatal (i < num_gnbs,
               "Failed to parse config file no %uth element in %s \n",i, GNB_CONFIG_STRING_ACTIVE_GNBS);

  if (num_gnbs > 0) {
    // Output a list of all eNBs.
    config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL);
    AssertFatal(GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr != NULL,
                "gNB id %u is not defined in configuration file\n",i);
    f1ap_setup_req_t * f1Setup=&F1AP_SETUP_REQ(msg_p);
    f1Setup->num_cells_available = 0;
    f1Setup->cell_type=CELL_MACRO_GNB;

    for (k=0; k <num_gnbs ; k++) {
      if (strcmp(GNBSParams[GNB_ACTIVE_GNBS_IDX].strlistptr[k], *(GNBParamList.paramarray[i][GNB_GNB_NAME_IDX].strptr)) == 0) {
        char aprefix[MAX_OPTNAME_SIZE*2 + 8];
        sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
        paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;
        paramlist_def_t PLMNParamList = {GNB_CONFIG_STRING_PLMN_LIST, NULL, 0};
        /* map parameter checking array instances to parameter definition array instances */
        checkedparam_t config_check_PLMNParams [] = PLMNPARAMS_CHECK;

        for (int I = 0; I < sizeof(PLMNParams) / sizeof(paramdef_t); ++I)
          PLMNParams[I].chkPptr = &(config_check_PLMNParams[I]);

        config_getlist(&PLMNParamList, PLMNParams, sizeof(PLMNParams)/sizeof(paramdef_t), aprefix);
        paramdef_t SCTPParams[]  = SCTPPARAMS_DESC;
        f1Setup->num_cells_available++;
        f1Setup->gNB_DU_id        = *(GNBParamList.paramarray[0][GNB_GNB_ID_IDX].uptr);
        LOG_I(GNB_APP,"F1AP: gNB_DU_id[%d] %ld\n",k,f1Setup->gNB_DU_id);
        f1Setup->gNB_DU_name      = strdup(*(GNBParamList.paramarray[0][GNB_GNB_NAME_IDX].strptr));
        LOG_I(GNB_APP,"F1AP: gNB_DU_name[%d] %s\n",k,f1Setup->gNB_DU_name);
        f1Setup->cell[k].tac              = *GNBParamList.paramarray[i][GNB_TRACKING_AREA_CODE_IDX].uptr;
        LOG_I(GNB_APP,"F1AP: tac[%d] %d\n",k,f1Setup->cell[k].tac);
        f1Setup->cell[k].mcc              = *PLMNParamList.paramarray[0][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
        LOG_I(GNB_APP,"F1AP: mcc[%d] %d\n",k,f1Setup->cell[k].mcc);
        f1Setup->cell[k].mnc              = *PLMNParamList.paramarray[0][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
        LOG_I(GNB_APP,"F1AP: mnc[%d] %d\n",k,f1Setup->cell[k].mnc);
        f1Setup->cell[k].mnc_digit_length = *PLMNParamList.paramarray[0][GNB_MNC_DIGIT_LENGTH].u8ptr;
        LOG_I(GNB_APP,"F1AP: mnc_digit_length[%d] %d\n",k,f1Setup->cell[k].mnc_digit_length);
        AssertFatal((f1Setup->cell[k].mnc_digit_length == 2) ||
                    (f1Setup->cell[k].mnc_digit_length == 3),
                    "BAD MNC DIGIT LENGTH %d",
                    f1Setup->cell[k].mnc_digit_length);
        f1Setup->cell[k].nr_cellid = (uint64_t)*(GNBParamList.paramarray[i][GNB_NRCELLID_IDX].u64ptr);
        LOG_I(GNB_APP,"F1AP: nr_cellid[%d] %ld\n",k,f1Setup->cell[k].nr_cellid);
        LOG_I(GNB_APP,"F1AP: CU_ip4_address in DU %s\n",RC.nrmac[k]->eth_params_n.remote_addr);
        LOG_I(GNB_APP,"FIAP: CU_ip4_address in DU %p, strlen %d\n",f1Setup->CU_f1_ip_address.ipv4_address,(int)strlen(RC.nrmac[k]->eth_params_n.remote_addr));
        f1Setup->CU_f1_ip_address.ipv6 = 0;
        f1Setup->CU_f1_ip_address.ipv4 = 1;
        //strcpy(f1Setup->CU_f1_ip_address.ipv6_address, "");
        strcpy(f1Setup->CU_f1_ip_address.ipv4_address, RC.nrmac[k]->eth_params_n.remote_addr);
        LOG_I(GNB_APP,"F1AP: DU_ip4_address in DU %s\n",RC.nrmac[k]->eth_params_n.my_addr);
        LOG_I(GNB_APP,"FIAP: DU_ip4_address in DU %p, strlen %ld\n",
	      f1Setup->DU_f1_ip_address.ipv4_address,
	      strlen(RC.nrmac[k]->eth_params_n.my_addr));
        f1Setup->DU_f1_ip_address.ipv6 = 0;
        f1Setup->DU_f1_ip_address.ipv4 = 1;
        //strcpy(f1Setup->DU_f1_ip_address.ipv6_address, "");
        strcpy(f1Setup->DU_f1_ip_address.ipv4_address, RC.nrmac[k]->eth_params_n.my_addr);
	f1Setup->DUport= RC.nrmac[k]->eth_params_n.my_portd;
	f1Setup->CUport= RC.nrmac[k]->eth_params_n.remote_portd;
        //strcpy(f1Setup->CU_ip_address[l].ipv6_address,*(F1ParamList.paramarray[l][ENB_CU_IPV6_ADDRESS_IDX].strptr));
        sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_SCTP_CONFIG);
        config_get(SCTPParams,sizeof(SCTPParams)/sizeof(paramdef_t),aprefix);
        f1Setup->sctp_in_streams = (uint16_t)*(SCTPParams[GNB_SCTP_INSTREAMS_IDX].uptr);
        f1Setup->sctp_out_streams = (uint16_t)*(SCTPParams[GNB_SCTP_OUTSTREAMS_IDX].uptr);
        gNB_RRC_INST *rrc = RC.nrrrc[k];
        // wait until RRC cell information is configured
        int cell_info_configured = 0;

        do {
          LOG_I(GNB_APP,"ngran_gNB_DU: Waiting for basic cell configuration\n");
          usleep(100000);
          pthread_mutex_lock(&rrc->cell_info_mutex);
          cell_info_configured = rrc->cell_info_configured;
          pthread_mutex_unlock(&rrc->cell_info_mutex);
        } while (cell_info_configured == 0);

        rrc->configuration.mcc[0] = f1Setup->cell[k].mcc;
        rrc->configuration.mnc[0] = f1Setup->cell[k].mnc;
        rrc->configuration.tac    = f1Setup->cell[k].tac;
        rrc->nr_cellid = f1Setup->cell[k].nr_cellid;
        f1Setup->cell[k].nr_pci    = *rrc->configuration.scc->physCellId;
        f1Setup->cell[k].num_ssi = 0;

        if (rrc->configuration.scc->tdd_UL_DL_ConfigurationCommon) {
          LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for TDD\n",k);
          f1Setup->fdd_flag = 0;
          f1Setup->nr_mode_info[k].tdd.nr_arfcn = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
          f1Setup->nr_mode_info[k].tdd.scs = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
          f1Setup->nr_mode_info[k].tdd.nrb = rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
          f1Setup->nr_mode_info[k].tdd.num_frequency_bands = 1;
          f1Setup->nr_mode_info[k].tdd.nr_band[0] = *rrc->configuration.scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
          f1Setup->nr_mode_info[k].tdd.sul_active              = 0;
        } else {
          /***************** for test *****************/
          LOG_I(GNB_APP,"ngran_DU: Configuring Cell %d for FDD\n",k);
          f1Setup->fdd_flag = 1;
          f1Setup->nr_mode_info[k].fdd.dl_nr_arfcn             = 26200UL;
          f1Setup->nr_mode_info[k].fdd.ul_nr_arfcn             = 26200UL;
          // For LTE use scs field to carry prefix type and number of antennas
          f1Setup->nr_mode_info[k].fdd.dl_scs                  = 0;
          f1Setup->nr_mode_info[k].fdd.ul_scs                  = 0;
          // use nrb field to hold LTE N_RB_DL (0...5)
          f1Setup->nr_mode_info[k].fdd.ul_nrb                  = 3;
          f1Setup->nr_mode_info[k].fdd.ul_nrb                  = 3;
          // RK: we need to check there value for FDD's frequency_bands DL/UL
          f1Setup->nr_mode_info[k].fdd.ul_num_frequency_bands  = 1;
          f1Setup->nr_mode_info[k].fdd.ul_nr_band[0]           = 7;
          f1Setup->nr_mode_info[k].fdd.dl_num_frequency_bands  = 1;
          f1Setup->nr_mode_info[k].fdd.dl_nr_band[0]           = 7;
          f1Setup->nr_mode_info[k].fdd.ul_num_sul_frequency_bands  = 0;
          f1Setup->nr_mode_info[k].fdd.ul_nr_sul_band[0]           = 7;
          f1Setup->nr_mode_info[k].fdd.dl_num_sul_frequency_bands  = 0;
          f1Setup->nr_mode_info[k].fdd.dl_nr_sul_band[0]           = 7;
          f1Setup->nr_mode_info[k].fdd.sul_active              = 0;
          /***************** for test *****************/
        }

        f1Setup->measurement_timing_information[k]             = "0";
        f1Setup->ranac[k]                                      = 0;
        f1Setup->mib[k]                                        = rrc->carrier.MIB;
        f1Setup->mib_length[k]                                 = rrc->carrier.sizeof_MIB;

        NR_BCCH_DL_SCH_Message_t *bcch_message = NULL;

        asn_dec_rval_t dec_rval = uper_decode_complete( NULL,
            &asn_DEF_NR_BCCH_DL_SCH_Message,
            (void **)&bcch_message,
            (const void *)rrc->carrier.SIB1,
            rrc->carrier.sizeof_SIB1);

        if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
          LOG_E(RRC,"SIB1 decode error\n");
          // free the memory
          SEQUENCE_free( &asn_DEF_NR_BCCH_DL_SCH_Message, bcch_message, 1 );
          exit(1);
        }
       
        NR_SIB1_t *bcch_SIB1 = bcch_message->message.choice.c1->choice.systemInformationBlockType1;
        f1Setup->sib1[k] = calloc(1,rrc->carrier.sizeof_SIB1);
        asn_enc_rval_t enc_rval = uper_encode_to_buffer(&asn_DEF_NR_SIB1,
            NULL,
            (void *)bcch_SIB1,
            f1Setup->sib1[k],
            NR_MAX_SIB_LENGTH/8);
        AssertFatal (enc_rval.encoded > 0, "ASN1 message encoding failed (%s, %lu)!\n",
            enc_rval.failed_type->name, enc_rval.encoded);

        //if ( LOG_DEBUGFLAG(DEBUG_ASN1) ) {
          LOG_I(NR_RRC, "SIB1 container to be integrated in F1 Setup request:\n");
          xer_fprint(stdout, &asn_DEF_NR_SIB1,(void *)bcch_message->message.choice.c1->choice.systemInformationBlockType1 );
        //}
        f1Setup->sib1_length[k]                                = (enc_rval.encoded+7)/8;
        break;
      }
    }
  }
  return 0;
}

int du_check_plmn_identity(rrc_gNB_carrier_data_t *carrier,uint16_t mcc,uint16_t mnc,uint8_t mnc_digit_length) {
  NR_SIB1_t *sib1 = carrier->siblock1->message.choice.c1->choice.systemInformationBlockType1;
  AssertFatal(sib1->cellAccessRelatedInfo.plmn_IdentityList.list.array[0]->plmn_IdentityList.list.count > 0,
              "plmn info isn't there\n");
  AssertFatal(mnc_digit_length == 2 || mnc_digit_length == 3,
              "impossible mnc_digit_length %d\n", mnc_digit_length);
  NR_PLMN_Identity_t *plmn_Identity = sib1->cellAccessRelatedInfo.plmn_IdentityList.list.array[0]
                                            ->plmn_IdentityList.list.array[0];

  // check if mcc is different and return failure if so
  if (mcc !=
      ((*plmn_Identity->mcc->list.array[0])*100)+
      ((*plmn_Identity->mcc->list.array[1])*10) +
      (*plmn_Identity->mcc->list.array[2])) {
    LOG_E(GNB_APP, "mcc in F1AP_SETUP_RESP message is different from mcc in DU \n");
    return(0);
  }

  // check that mnc digit length is different and return failure if so
  if (mnc_digit_length != plmn_Identity->mnc.list.count) {
    LOG_E(GNB_APP, "mnc(length: %d) in F1AP_SETUP_RESP message is different from mnc(length: %d) in DU \n",
                    mnc_digit_length, plmn_Identity->mnc.list.count);
    return 0;
  }

  // check that 2 digit mnc is different and return failure if so
  if (mnc_digit_length == 2 &&
      (mnc !=
       (*plmn_Identity->mnc.list.array[0]*10) +
       (*plmn_Identity->mnc.list.array[1]))) {
    LOG_E(GNB_APP, "mnc(%d) in F1AP_SETUP_RESP message is different from mnc(%ld%ld) in DU \n",
                    mnc, *plmn_Identity->mnc.list.array[0], *plmn_Identity->mnc.list.array[1]);
    return(0);
  }
  else if (mnc_digit_length == 3 &&
           (mnc !=
            (*plmn_Identity->mnc.list.array[0]*100) +
            (*plmn_Identity->mnc.list.array[1]*10) +
            (*plmn_Identity->mnc.list.array[2]))) {
    LOG_E(GNB_APP, "mnc(%d) in F1AP_SETUP_RESP message is different from mnc(%ld%ld%ld) in DU \n",
                    mnc, *plmn_Identity->mnc.list.array[0], *plmn_Identity->mnc.list.array[1], *plmn_Identity->mnc.list.array[2]);
    return(0);
  }

  // if we're here, the mcc/mnc match so return success
  return(1);
}

void du_extract_and_decode_SI(int inst, int si_ind, uint8_t *si_container, int si_container_length) {
  gNB_RRC_INST *rrc = RC.nrrrc[inst];
  rrc_gNB_carrier_data_t *carrier = &rrc->carrier;
  NR_BCCH_DL_SCH_Message_t *bcch_message ;
  AssertFatal(si_ind == 0, "Can only handle a single SI block for now\n");
  LOG_I(GNB_APP, "rrc inst %d: Trying to decode SI block %d @ %p, length %d\n", inst, si_ind, si_container, si_container_length);
  // point to first SI block
  bcch_message = &carrier->systemInformation;
  asn_dec_rval_t dec_rval = uper_decode_complete( NULL,
                            &asn_DEF_NR_BCCH_DL_SCH_Message,
                            (void **)&bcch_message,
                            (const void *)si_container,
                            si_container_length);

  if ((dec_rval.code != RC_OK) && (dec_rval.consumed == 0)) {
    AssertFatal(1==0, "[GNB_APP][NR_RRC inst %"PRIu8"] Failed to decode BCCH_DLSCH_MESSAGE (%zu bits)\n",
                inst,
                dec_rval.consumed );
  }

  if (bcch_message->message.present == NR_BCCH_DL_SCH_MessageType_PR_c1) {
    switch (bcch_message->message.choice.c1->present) {
      case NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformationBlockType1:
        AssertFatal(1 == 0, "Should have received SIB1 from CU\n");
        break;

      case NR_BCCH_DL_SCH_MessageType__c1_PR_systemInformation:
      {
        NR_SystemInformation_t *si = bcch_message->message.choice.c1->choice.systemInformation;

        if (si->criticalExtensions.present == NR_SystemInformation__criticalExtensions_PR_systemInformation) {
          for (int i = 0; i < si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.count; i++) {
            LOG_I(GNB_APP, "Extracting SI %d/%d\n", i, si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.count);
            SystemInformation_IEs__sib_TypeAndInfo__Member *typeAndInfo;
            typeAndInfo = si->criticalExtensions.choice.systemInformation->sib_TypeAndInfo.list.array[i];

            switch(typeAndInfo->present) {
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_NOTHING:
                AssertFatal(0, "Should have received SIB2 SIB3 from CU\n");
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib2:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB2 in CU F1AP_SETUP_RESP message\n", inst);
                carrier->sib2 = typeAndInfo->choice.sib2;
                carrier->SIB23 = (uint8_t *)malloc(64);
                memcpy((void *)carrier->SIB23, (void *)si_container, si_container_length);
                carrier->sizeof_SIB23 = si_container_length;
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib3:
                carrier->sib3 = typeAndInfo->choice.sib3;
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB3 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib4:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB4 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib5:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB5 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib6:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB6 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib7:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB7 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib8:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB8 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib9:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB9 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib10_v1610:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB10 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib11_v1610:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB11 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib12_v1610:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB12 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib13_v1610:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB13 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              case NR_SystemInformation_IEs__sib_TypeAndInfo__Member_PR_sib14_v1610:
                LOG_I(GNB_APP, "[NR_RRC %"PRIu8"] Found SIB14 in CU F1AP_SETUP_RESP message\n", inst);
                break;
              default:
                AssertFatal(1 == 0,"Shouldn't have received this SI %d\n", typeAndInfo->present);
                break;
            }
          }
        }

        break;
      }

      case NR_BCCH_DL_SCH_MessageType__c1_PR_NOTHING:
        AssertFatal(0, "Should have received SIB1 from CU\n");
        break;
    }
  } else AssertFatal(1 == 0, "No SI messages\n");
}

void configure_gnb_du_mac(int inst) {
  gNB_RRC_INST *rrc = RC.nrrrc[inst];
  // LOG_I(GNB_APP,"Configuring MAC/L1 %d, carrier->sib2 %p\n", inst, &carrier->sib2->radioResourceConfigCommon);
  LOG_I(GNB_APP,"Configuring gNB DU MAC/L1 %d \n", inst);
  rrc_mac_config_req_gNB(rrc->module_id,
                        rrc->configuration.pdsch_AntennaPorts,
                        rrc->configuration.pusch_AntennaPorts,
                        rrc->configuration.sib1_tda,
                        rrc->configuration.minRXTXTIME,
                        rrc->configuration.scc,
                        NULL,
                        NULL,
                        0,
                        0, // rnti
                        NULL);
}


int gNB_app_handle_f1ap_setup_resp(f1ap_setup_resp_t *resp) {
  int i, j, si_ind;
  int ret=0;
  LOG_I(GNB_APP, "cells_to_activate %d, RRC instances %d\n",
        resp->num_cells_to_activate, RC.nb_nr_inst);

  for (j = 0; j < resp->num_cells_to_activate; j++) {
    for (i = 0; i < RC.nb_nr_inst; i++) {
      rrc_gNB_carrier_data_t *carrier =  &RC.nrrrc[i]->carrier;
      // identify local index of cell j by nr_cellid, plmn identity and physical cell ID
      LOG_I(GNB_APP, "Checking cell %d, rrc inst %d : rrc->nr_cellid %lx, resp->nr_cellid %lx\n",
            j, i, RC.nrrrc[i]->nr_cellid, resp->cells_to_activate[j].nr_cellid);

      if (RC.nrrrc[i]->nr_cellid == resp->cells_to_activate[j].nr_cellid &&
          (du_check_plmn_identity(carrier, resp->cells_to_activate[j].mcc, resp->cells_to_activate[j].mnc, resp->cells_to_activate[j].mnc_digit_length)>0 &&
           resp->cells_to_activate[j].nrpci == carrier->physCellId)) {
        // copy system information and decode it
        for (si_ind=0; si_ind<resp->cells_to_activate[j].num_SI; si_ind++)  {

          du_extract_and_decode_SI(i,
                                   si_ind,
                                   resp->cells_to_activate[j].SI_container[si_ind],
                                   resp->cells_to_activate[j].SI_container_length[si_ind]);
        }

        // perform MAC/L1 common configuration
        configure_gnb_du_mac(i);
	ret++;
      } else {
        LOG_E(GNB_APP, "F1 Setup Response not matching\n");
      }
    }
  }
  return(ret);
}

int gNB_app_handle_f1ap_gnb_cu_configuration_update(f1ap_gnb_cu_configuration_update_t *gnb_cu_cfg_update) {
  int i, j, si_ind, ret=0;
  LOG_I(GNB_APP, "cells_to_activate %d, RRC instances %d\n",
        gnb_cu_cfg_update->num_cells_to_activate, RC.nb_nr_inst);

  for (j = 0; j < gnb_cu_cfg_update->num_cells_to_activate; j++) {
    for (i = 0; i < RC.nb_nr_inst; i++) {
      rrc_gNB_carrier_data_t *carrier =  &RC.nrrrc[i]->carrier;
      // identify local index of cell j by nr_cellid, plmn identity and physical cell ID
      LOG_I(GNB_APP, "Checking cell %d, rrc inst %d : rrc->nr_cellid %lx, gnb_cu_cfg_updatenr_cellid %lx\n",
            j, i, RC.nrrrc[i]->nr_cellid, gnb_cu_cfg_update->cells_to_activate[j].nr_cellid);

      if (RC.nrrrc[i]->nr_cellid == gnb_cu_cfg_update->cells_to_activate[j].nr_cellid &&
          (du_check_plmn_identity(carrier, gnb_cu_cfg_update->cells_to_activate[j].mcc, gnb_cu_cfg_update->cells_to_activate[j].mnc, gnb_cu_cfg_update->cells_to_activate[j].mnc_digit_length)>0 &&
           gnb_cu_cfg_update->cells_to_activate[j].nrpci == carrier->physCellId)) {
        // copy system information and decode it
        for (si_ind=0; si_ind<gnb_cu_cfg_update->cells_to_activate[j].num_SI; si_ind++)  {

          du_extract_and_decode_SI(i,
                                   si_ind,
                                   gnb_cu_cfg_update->cells_to_activate[j].SI_container[si_ind],
                                   gnb_cu_cfg_update->cells_to_activate[j].SI_container_length[si_ind]);
        }

        // perform MAC/L1 common configuration
        configure_gnb_du_mac(i);
	ret++;
      } else {
        LOG_E(GNB_APP, "GNB_CU_CONFIGURATION_UPDATE not matching\n");
      }
    }
  }
  MessageDef *msg_ack_p = NULL;
  if (ret > 0) {
    // generate gNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE
    msg_ack_p = itti_alloc_new_message (TASK_GNB_APP, 0, F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE);
    F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(msg_ack_p).num_cells_failed_to_be_activated = 0;
    F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(msg_ack_p).have_criticality = 0; 
    F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(msg_ack_p).noofTNLAssociations_to_setup =0;
    F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(msg_ack_p).noofTNLAssociations_failed = 0;
    F1AP_GNB_CU_CONFIGURATION_UPDATE_ACKNOWLEDGE(msg_ack_p).noofDedicatedSIDeliveryNeededUEs = 0;
    itti_send_msg_to_task (TASK_DU_F1, INSTANCE_DEFAULT, msg_ack_p);

  }
  else {
    // generate gNB_CU_CONFIGURATION_UPDATE_FAILURE
    msg_ack_p = itti_alloc_new_message (TASK_GNB_APP, 0, F1AP_GNB_CU_CONFIGURATION_UPDATE_FAILURE);
    F1AP_GNB_CU_CONFIGURATION_UPDATE_FAILURE(msg_ack_p).cause = F1AP_CauseRadioNetwork_cell_not_available;

    itti_send_msg_to_task (TASK_DU_F1, INSTANCE_DEFAULT, msg_ack_p);

  }

  return(ret);
}

static ngran_node_t get_node_type(void)
{
  paramdef_t        MacRLC_Params[] = MACRLCPARAMS_DESC;
  paramlist_def_t   MacRLC_ParamList = {CONFIG_STRING_MACRLC_LIST,NULL,0};
  paramdef_t        GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t   GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};

  config_getlist( &MacRLC_ParamList,MacRLC_Params,sizeof(MacRLC_Params)/sizeof(paramdef_t), NULL);   
  config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL);  

  if ( MacRLC_ParamList.numelt > 0) {
    RC.nb_nr_macrlc_inst = MacRLC_ParamList.numelt; 
    for (int j = 0; j < RC.nb_nr_macrlc_inst; j++) {
      if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr), "f1") == 0) {
        macrlc_has_f1 = 1;
      }
    }
  }

  if (strcmp(*(GNBParamList.paramarray[0][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr), "f1") == 0)
    return ngran_gNB_CU;
  else if (macrlc_has_f1 == 0)
    return ngran_gNB;
  else
    return ngran_gNB_DU;
}

void nr_read_config_and_init(void) {
  MessageDef *msg_p = NULL;
  uint32_t    gnb_id;
  uint32_t    gnb_nb = RC.nb_nr_inst;

  RCconfig_NR_L1();
  RCconfig_nr_prs();
  RCconfig_nr_macrlc();

  LOG_I(PHY, "%s() RC.nb_nr_L1_inst:%d\n", __FUNCTION__, RC.nb_nr_L1_inst);

  if (RC.nb_nr_L1_inst>0) AssertFatal(l1_north_init_gNB()==0,"could not initialize L1 north interface\n");

  AssertFatal (gnb_nb <= RC.nb_nr_inst,
               "Number of gNB is greater than gNB defined in configuration file (%d/%d)!",
               gnb_nb, RC.nb_nr_inst);

  LOG_I(GNB_APP,"Allocating gNB_RRC_INST for %d instances\n",RC.nb_nr_inst);

  RC.nrrrc = (gNB_RRC_INST **)malloc(RC.nb_nr_inst*sizeof(gNB_RRC_INST *));
  LOG_I(PHY, "%s() RC.nb_nr_inst:%d RC.nrrrc:%p\n", __FUNCTION__, RC.nb_nr_inst, RC.nrrrc);

  for (gnb_id = 0; gnb_id < RC.nb_nr_inst ; gnb_id++) {
    RC.nrrrc[gnb_id] = (gNB_RRC_INST*)malloc(sizeof(gNB_RRC_INST));
    LOG_I(PHY, "%s() Creating RRC instance RC.nrrrc[%d]:%p (%d of %d)\n", __FUNCTION__, gnb_id, RC.nrrrc[gnb_id], gnb_id+1, RC.nb_nr_inst);
    memset((void *)RC.nrrrc[gnb_id],0,sizeof(gNB_RRC_INST));
    msg_p = itti_alloc_new_message (TASK_GNB_APP, 0, NRRRC_CONFIGURATION_REQ);
    RCconfig_NRRRC(msg_p,gnb_id, RC.nrrrc[gnb_id]);
  }

  if (NODE_IS_CU(RC.nrrrc[0]->node_type)) {
    pdcp_layer_init();
//    nr_DRB_preconfiguration(0x1234);
    rrc_init_nr_global_param();
  }
}
