gnb_config.c 64.9 KB
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/*
 * 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
 */

/*
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  gnb_config.c
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  -------------------
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  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
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*/

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

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#include "common/utils/LOG/log.h"
#include "common/utils/LOG/log_extern.h"
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#include "assertions.h"
#include "gnb_config.h"
#include "UTIL/OTG/otg.h"
#include "UTIL/OTG/otg_externs.h"
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#include "intertask_interface.h"
#include "s1ap_eNB.h"
#include "sctp_eNB_task.h"
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#include "sctp_default_values.h"
// #include "SystemInformationBlockType2.h"
// #include "LAYER2/MAC/extern.h"
// #include "LAYER2/MAC/proto.h"
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#include "PHY/phy_extern.h"
#include "PHY/INIT/phy_init.h"
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#include "targets/ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
#include "nfapi_vnf.h"
#include "nfapi_pnf.h"

#include "L1_paramdef.h"
#include "MACRLC_paramdef.h"
#include "common/config/config_userapi.h"
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//#include "RRC_config_tools.h"
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#include "gnb_paramdef.h"
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#include "NR_MAC_gNB/mac_proto.h"

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#include "NR_asn_constant.h"
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#include "executables/thread-common.h"
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#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"

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extern uint16_t sf_ahead;
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extern int config_check_band_frequencies(int ind, int16_t band, uint64_t downlink_frequency,
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                                         int32_t uplink_frequency_offset, uint32_t  frame_type);
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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_PDSCH_TimeDomainResourceAllocation    *bwp_dl_timedomainresourceallocation;
  struct NR_PUSCH_TimeDomainResourceAllocation    *pusch_configcommontimedomainresourceallocation;
  //  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));
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  scc->ssbSubcarrierSpacing                      = CALLOC(1,sizeof(NR_SubcarrierSpacing_t));
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  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));
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  scc->downlinkConfigCommon->initialDownlinkBWP->pdcch_ConfigCommon->present=NR_SetupRelease_PDCCH_ConfigCommon_PR_setup; 
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  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  = CALLOC(1,sizeof(struct NR_ControlResourceSet));

  //  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));
  //
  for (int i=0;i<NR_maxNrofDL_Allocations;i++) {
    bwp_dl_timedomainresourceallocation = CALLOC(1,sizeof(NR_PDSCH_TimeDomainResourceAllocation_t));
    bwp_dl_timedomainresourceallocation->k0  = CALLOC(1,sizeof(long));
    *bwp_dl_timedomainresourceallocation->k0=0;
    ASN_SEQUENCE_ADD(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,
		     bwp_dl_timedomainresourceallocation);
  }

  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));
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  scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->present = NR_SetupRelease_RACH_ConfigCommon_PR_setup;
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  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));
  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)); 
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  scc->uplinkConfigCommon->initialUplinkBWP->pucch_ConfigCommon->present= NR_SetupRelease_PUCCH_ConfigCommon_PR_setup;
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  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);

  for (int i=0;i<NR_maxNrofUL_Allocations;i++) {
    pusch_configcommontimedomainresourceallocation      = CALLOC(1,sizeof(struct NR_PUSCH_TimeDomainResourceAllocation));
    pusch_configcommontimedomainresourceallocation->k2  = CALLOC(1,sizeof(long));
    *pusch_configcommontimedomainresourceallocation->k2=0;
    ASN_SEQUENCE_ADD(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,pusch_configcommontimedomainresourceallocation); 
  }
  //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));
  
}


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void fix_scc(NR_ServingCellConfigCommon_t *scc,uint64_t ssbmap) {
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  int ssbmaplen = (int)scc->ssb_PositionsInBurst->present;
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  uint8_t curr_bit;

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

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

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  // 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;

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  // fix DL and UL Allocation lists
  
  for (int i=scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.count-1;i>=0;i--) {
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    printf("Checking element %d : %ld\n",i,*scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[i]->k0);
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    if (*scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[i]->k0>32) {
      printf("removing pdsch_TimeDomainAllocationList element %d\n",i);
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      free(scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.array[i]->k0);
      asn_sequence_del(&scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list,i,1); 
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      printf("List size now %d\n",scc->downlinkConfigCommon->initialDownlinkBWP->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList->list.count);
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    }
  }

  for (int i=scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.count-1;i>=0;i--) {
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    if (*scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[i]->k2>32) {
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      free(scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list.array[i]->k2);
      asn_sequence_del(&scc->uplinkConfigCommon->initialUplinkBWP->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList->list,i,1); 
    }
  }
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  if (scc->tdd_UL_DL_ConfigurationCommon->pattern2->dl_UL_TransmissionPeriodicity > 320 ) {
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    free(scc->tdd_UL_DL_ConfigurationCommon->pattern2);
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    scc->tdd_UL_DL_ConfigurationCommon->pattern2=NULL;
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  }

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

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void RCconfig_nr_flexran()
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{
  uint16_t  i;
  uint16_t  num_gnbs;
  char      aprefix[MAX_OPTNAME_SIZE*2 + 8];
  /* this will possibly truncate the cell id (RRC assumes int32_t).
   * Both Nid_cell and gnb_id are signed in RRC case, but we use unsigned for
   * the bitshifting to work properly */
  uint16_t  Nid_cell_tr = 0;
  uint32_t  gnb_id = 0;


  /* get number of gNBs */
  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  config_get(GNBSParams, sizeof(GNBSParams)/sizeof(paramdef_t), NULL);
  num_gnbs = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;

  /* for gNB ID */
  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST, NULL, 0};

  paramdef_t flexranParams[] = FLEXRANPARAMS_DESC;
  config_get(flexranParams, sizeof(flexranParams)/sizeof(paramdef_t), CONFIG_STRING_NETWORK_CONTROLLER_CONFIG);

  if (!RC.flexran) {
    RC.flexran = calloc(num_gnbs, sizeof(flexran_agent_info_t*));
    AssertFatal(RC.flexran,
                "can't ALLOCATE %zu Bytes for %d flexran agent info with size %zu\n",
                num_gnbs * sizeof(flexran_agent_info_t*),
                num_gnbs, sizeof(flexran_agent_info_t*));
  }

  for (i = 0; i < num_gnbs; i++) {
    RC.flexran[i] = calloc(1, sizeof(flexran_agent_info_t));
    AssertFatal(RC.flexran[i],
                "can't ALLOCATE %zu Bytes for flexran agent info (iteration %d/%d)\n",
                sizeof(flexran_agent_info_t), i + 1, num_gnbs);
    /* if config says "yes", enable Agent, in all other cases it's like "no" */
    RC.flexran[i]->enabled          = strcasecmp(*(flexranParams[FLEXRAN_ENABLED].strptr), "yes") == 0;
    /* if not enabled, simply skip the rest, it is not needed anyway */
    if (!RC.flexran[i]->enabled)
      continue;
    RC.flexran[i]->interface_name   = strdup(*(flexranParams[FLEXRAN_INTERFACE_NAME_IDX].strptr));
    //inet_ntop(AF_INET, &(enb_properties->properties[mod_id]->flexran_agent_ipv4_address), in_ip, INET_ADDRSTRLEN);
    RC.flexran[i]->remote_ipv4_addr = strdup(*(flexranParams[FLEXRAN_IPV4_ADDRESS_IDX].strptr));
    RC.flexran[i]->remote_port      = *(flexranParams[FLEXRAN_PORT_IDX].uptr);
    RC.flexran[i]->cache_name       = strdup(*(flexranParams[FLEXRAN_CACHE_IDX].strptr));
    RC.flexran[i]->node_ctrl_state  = strcasecmp(*(flexranParams[FLEXRAN_AWAIT_RECONF_IDX].strptr), "yes") == 0 ? ENB_WAIT : ENB_NORMAL_OPERATION;

    config_getlist(&GNBParamList, GNBParams, sizeof(GNBParams)/sizeof(paramdef_t),NULL);
    /* gNB ID from configuration, as read in by RCconfig_RRC() */
    if (!GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr) {
      // Calculate a default gNB ID
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    if (EPC_MODE_ENABLED) 
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      gnb_id = i + (s1ap_generate_eNB_id () & 0xFFFF8);
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    else
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      gnb_id = i;
    } else {
        gnb_id = *(GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr);
    }

    /* cell ID */
    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, i);

    RC.flexran[i]->mod_id   = i;
    RC.flexran[i]->agent_id = (((uint64_t)i) << 48) | (((uint64_t)gnb_id) << 16) | ((uint64_t)Nid_cell_tr);

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    /*
     * Assume for the moment the monolithic case, i.e. agent can provide information for all layers
     * Consider using uint16_t flexran_get_capabilities_mask(mid_t mod_id),
     *                    with RC.rrc[mod_id]->node_type = ngran_gNB
     */
    RC.flexran[i]->capability_mask = (1 << PROTOCOL__FLEX_BS_CAPABILITY__LOPHY)
    		                       | (1 << PROTOCOL__FLEX_BS_CAPABILITY__HIPHY)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__LOMAC)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__HIMAC)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__RLC)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__PDCP)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__SDAP)
								   | (1 << PROTOCOL__FLEX_BS_CAPABILITY__RRC);

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  }
}

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void RCconfig_NR_L1(void) {
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  int j;
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  paramdef_t L1_Params[] = L1PARAMS_DESC;
  paramlist_def_t L1_ParamList = {CONFIG_STRING_L1_LIST,NULL,0};


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

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

      if(strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_mac") == 0) {
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        //sf_ahead = 2; // Need 4 subframe gap between RX and TX
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      }else if (strcmp(*(L1_ParamList.paramarray[j][L1_TRANSPORT_N_PREFERENCE_IDX].strptr), "nfapi") == 0) {
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        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;
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        //sf_ahead = 2; // Cannot cope with 4 subframes betweem RX and TX - set it to 2
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        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;

        RC.nb_nr_inst =1; // DJP - feptx_prec uses num_gNB but phy_init_RU uses nb_nr_inst

        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);

        mac_top_init_gNB();

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

void RCconfig_nr_macrlc() {
  int               j;

  paramdef_t MacRLC_Params[] = MACRLCPARAMS_DESC;
  paramlist_def_t MacRLC_ParamList = {CONFIG_STRING_MACRLC_LIST,NULL,0};

  config_getlist( &MacRLC_ParamList,MacRLC_Params,sizeof(MacRLC_Params)/sizeof(paramdef_t), NULL);    
  
  if ( MacRLC_ParamList.numelt > 0) {

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    RC.nb_nr_macrlc_inst=MacRLC_ParamList.numelt; 
    mac_top_init_gNB();   
    RC.nb_nr_mac_CC = (int*)malloc(RC.nb_nr_macrlc_inst*sizeof(int));
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    for (j=0;j<RC.nb_nr_macrlc_inst;j++) {
      RC.nb_nr_mac_CC[j] = *(MacRLC_ParamList.paramarray[j][MACRLC_CC_IDX].iptr);
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      if (strcmp(*(MacRLC_ParamList.paramarray[j][MACRLC_TRANSPORT_N_PREFERENCE_IDX].strptr), "local_RRC") == 0) {
  // check number of instances is same as RRC/PDCP
  
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      }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));
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      } 

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

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      }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;
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        //sf_ahead = 2; // Cannot cope with 4 subframes between RX and TX - set it to 2
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        printf("**************** vnf_port:%d\n", RC.mac[j]->eth_params_s.my_portc);
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        configure_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));
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      } 
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    }//  for (j=0;j<RC.nb_nr_macrlc_inst;j++)
  }else {// MacRLC_ParamList.numelt > 0
    AssertFatal (0,"No " CONFIG_STRING_MACRLC_LIST " configuration found");     
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  }
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}
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void RCconfig_NRRRC(MessageDef *msg_p, uint32_t i, gNB_RRC_INST *rrc) {
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  int                    num_gnbs                                                      = 0;
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  char aprefix[MAX_OPTNAME_SIZE*2 + 8];
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  int32_t                gnb_id                                                        = 0;
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  int k;
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  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
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  ////////// Identification parameters
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  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};
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  NR_ServingCellConfigCommon_t *scc = calloc(1,sizeof(NR_ServingCellConfigCommon_t));
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  uint64_t ssb_bitmap=0xff;
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  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};
   ////////// Physical parameters

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  /* get global parameters, defined outside any section in the config file */
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  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);

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  /*
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  if (EPC_MODE_ENABLED) {
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    if (strcasecmp( *(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr), GNB_CONFIG_STRING_ASN1_VERBOSITY_NONE) == 0) {
      asn_debug      = 0;
      asn1_xer_print = 0;
    } else if (strcasecmp( *(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr), GNB_CONFIG_STRING_ASN1_VERBOSITY_INFO) == 0) {
      asn_debug      = 1;
      asn1_xer_print = 1;
    } else if (strcasecmp(*(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr) , GNB_CONFIG_STRING_ASN1_VERBOSITY_ANNOYING) == 0) {
      asn_debug      = 1;
      asn1_xer_print = 2;
    } else {
      asn_debug      = 0;
      asn1_xer_print = 0;
    }
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  }
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  */
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  if (num_gnbs>0) {
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    // Output a list of all gNBs. ////////// Identification parameters
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    config_getlist( &GNBParamList,GNBParams,sizeof(GNBParams)/sizeof(paramdef_t),NULL); 
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    if (GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr == NULL) {
    // Calculate a default gNB ID
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      if (EPC_MODE_ENABLED) { 
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        uint32_t hash;
        hash = s1ap_generate_eNB_id ();
        gnb_id = i + (hash & 0xFFFF8);
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      } else {
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        gnb_id = i;
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      }
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    } else {
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      gnb_id = *(GNBParamList.paramarray[i][GNB_GNB_ID_IDX].uptr);
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    }

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    // 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);
    }

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    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
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    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);  
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      LOG_I(RRC,"Read in ServingCellConfigCommon (PhysCellId %d, ABSFREQSSB %d, DLBand %d, ABSFREQPOINTA %d, DLBW %d,RACH_TargetReceivedPower %d\n",
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	    (int)*scc->physCellId,
	    (int)*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB,
	    (int)*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],
	    (int)scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA,
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	    (int)scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
	    (int)scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.preambleReceivedTargetPower);
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      fix_scc(scc,ssb_bitmap);
    }
    printf("NRRRC %d: Southbound Transport %s\n",i,*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr));
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    if (strcmp(*(GNBParamList.paramarray[i][GNB_TRANSPORT_S_PREFERENCE_IDX].strptr), "local_mac") == 0) {
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    } 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
    }       
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    // search if in active list
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    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) {
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        char gnbpath[MAX_OPTNAME_SIZE + 8];
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        sprintf(gnbpath,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
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        paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;
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        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]);
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        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);

        RRC_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]);
	}
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        printf("SSB SCO %d\n",*GNBParamList.paramarray[i][GNB_SSB_SUBCARRIEROFFSET_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).ssb_SubcarrierOffset = *GNBParamList.paramarray[i][GNB_SSB_SUBCARRIEROFFSET_IDX].iptr;
        printf("pdsch_AntennaPorts %d\n",*GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pdsch_AntennaPorts = *GNBParamList.paramarray[i][GNB_PDSCH_ANTENNAPORTS_IDX].iptr;
        printf("pusch_TargetSNRx10 %d\n",*GNBParamList.paramarray[i][GNB_PUSCH_TARGETPOW_X10_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pusch_TargetSNRx10 = *GNBParamList.paramarray[i][GNB_PUSCH_TARGETPOW_X10_IDX].iptr;
        printf("pucch_TargetSNRx10 %d\n",*GNBParamList.paramarray[i][GNB_PUCCH_TARGETPOW_X10_IDX].iptr);
        NRRRC_CONFIGURATION_REQ (msg_p).pucch_TargetSNRx10 = *GNBParamList.paramarray[i][GNB_PUCCH_TARGETPOW_X10_IDX].iptr;
        NRRRC_CONFIGURATION_REQ (msg_p).scc = scc;

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      }//
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    }//End for (k=0; k <num_gnbs ; k++)
  }//End if (num_gnbs>0)


}//End RCconfig_NRRRC function

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int RCconfig_nr_gtpu(void ) {

  int               num_gnbs                      = 0;



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  char*             gnb_interface_name_for_S1U    = NULL;
  char*             gnb_ipv4_address_for_S1U      = NULL;
  uint32_t          gnb_port_for_S1U              = 0;
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  char             *address                       = NULL;
  char             *cidr                          = NULL;
  char gtpupath[MAX_OPTNAME_SIZE*2 + 8];
    

  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
  
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  paramdef_t GTPUParams[] = GNBGTPUPARAMS_DESC;
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  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( GTPUParams,sizeof(GTPUParams)/sizeof(paramdef_t),gtpupath);    



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    cidr = gnb_ipv4_address_for_S1U;
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    address = strtok(cidr, "/");
    
    if (address) {
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      MessageDef *message;
      AssertFatal((message = itti_alloc_new_message(TASK_GNB_APP, GTPV1U_ENB_S1_REQ))!=NULL,"");
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     // IPV4_STR_ADDR_TO_INT_NWBO ( address, RC.gtpv1u_data_g->enb_ip_address_for_S1u_S12_S4_up, "BAD IP ADDRESS FORMAT FOR eNB S1_U !\n" );
     // LOG_I(GTPU,"Configuring GTPu address : %s -> %x\n",address,RC.gtpv1u_data_g->enb_ip_address_for_S1u_S12_S4_up);
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     IPV4_STR_ADDR_TO_INT_NWBO ( address, GTPV1U_ENB_S1_REQ(message).enb_ip_address_for_S1u_S12_S4_up, "BAD IP ADDRESS FORMAT FOR eNB S1_U !\n" );
     LOG_I(GTPU,"Configuring GTPu address : %s -> %x\n",address,GTPV1U_ENB_S1_REQ(message).enb_ip_address_for_S1u_S12_S4_up);
     GTPV1U_ENB_S1_REQ(message).enb_port_for_S1u_S12_S4_up = gnb_port_for_S1U;
     itti_send_msg_to_task (TASK_GTPV1_U, 0, message); // data model is wrong: gtpu doesn't have enb_id (or module_id)
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    } else
    LOG_E(GTPU,"invalid address for S1U\n");
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return 0;
}

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int RCconfig_NR_S1(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*));
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  paramdef_t GNBSParams[] = GNBSPARAMS_DESC;
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  paramdef_t GNBParams[]  = GNBPARAMS_DESC;
  paramlist_def_t GNBParamList = {GNB_CONFIG_STRING_GNB_LIST,NULL,0};

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  /* get global parameters, defined outside any section in the config file */
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  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 

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  /*
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  if (EPC_MODE_ENABLED) {
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    if (strcasecmp( *(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr), GNB_CONFIG_STRING_ASN1_VERBOSITY_NONE) == 0) {
      asn_debug      = 0;
      asn1_xer_print = 0;
    } else if (strcasecmp( *(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr), GNB_CONFIG_STRING_ASN1_VERBOSITY_INFO) == 0) {
      asn_debug      = 1;
      asn1_xer_print = 1;
    } else if (strcasecmp(*(GNBSParams[GNB_ASN1_VERBOSITY_IDX].strptr) , GNB_CONFIG_STRING_ASN1_VERBOSITY_ANNOYING) == 0) {
      asn_debug      = 1;
      asn1_xer_print = 2;
    } else {
      asn_debug      = 0;
      asn1_xer_print = 0;
    }
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  }
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  */
  
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    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); 
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    if (GNBParamList.numelt > 0) {
      for (k = 0; k < GNBParamList.numelt; k++) {
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	if (GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr == NULL) {
	  // Calculate a default gNB ID
	  if (EPC_MODE_ENABLED) {
	    uint32_t hash;
	  
	  hash = s1ap_generate_eNB_id ();
	  gnb_id = k + (hash & 0xFFFF8);
	  } else {
	    gnb_id = k;
	  }
	} else {
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          gnb_id = *(GNBParamList.paramarray[k][GNB_GNB_ID_IDX].uptr);
        }
  
  
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	// 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) {
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            paramdef_t PLMNParams[] = GNBPLMNPARAMS_DESC;
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            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]);

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	    paramdef_t S1Params[]  = GNBS1PARAMS_DESC;
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	    paramlist_def_t S1ParamList = {GNB_CONFIG_STRING_MME_IP_ADDRESS,NULL,0};
	    
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	    paramdef_t SCTPParams[]  = GNBSCTPPARAMS_DESC;
	    paramdef_t NETParams[]  =  GNBNETPARAMS_DESC;
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	    char aprefix[MAX_OPTNAME_SIZE*2 + 8];
	    
	    S1AP_REGISTER_ENB_REQ (msg_p).eNB_id = gnb_id;
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	    if (strcmp(*(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr), "CELL_MACRO_GNB") == 0) {
	      S1AP_REGISTER_ENB_REQ (msg_p).cell_type = CELL_MACRO_ENB;
	    } else  if (strcmp(*(GNBParamList.paramarray[k][GNB_CELL_TYPE_IDX].strptr), "CELL_HOME_GNB") == 0) {
	      S1AP_REGISTER_ENB_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));
	    }
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	    S1AP_REGISTER_ENB_REQ (msg_p).eNB_name         = strdup(*(GNBParamList.paramarray[k][GNB_GNB_NAME_IDX].strptr));
	    S1AP_REGISTER_ENB_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);

            S1AP_REGISTER_ENB_REQ(msg_p).num_plmn = PLMNParamList.numelt;

            for (int l = 0; l < PLMNParamList.numelt; ++l) {
	    
	      S1AP_REGISTER_ENB_REQ (msg_p).mcc[l]              = *PLMNParamList.paramarray[l][GNB_MOBILE_COUNTRY_CODE_IDX].uptr;
	      S1AP_REGISTER_ENB_REQ (msg_p).mnc[l]              = *PLMNParamList.paramarray[l][GNB_MOBILE_NETWORK_CODE_IDX].uptr;
	      S1AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length[l] = *PLMNParamList.paramarray[l][GNB_MNC_DIGIT_LENGTH].u8ptr;
	      S1AP_REGISTER_ENB_REQ (msg_p).default_drx      = 0;
	      AssertFatal((S1AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length[l] == 2) ||
			  (S1AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length[l] == 3),
			  "BAD MNC DIGIT LENGTH %d",
			  S1AP_REGISTER_ENB_REQ (msg_p).mnc_digit_length[l]);
	    }
	    sprintf(aprefix,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k);
	    config_getlist( &S1ParamList,S1Params,sizeof(S1Params)/sizeof(paramdef_t),aprefix); 
	    
	    S1AP_REGISTER_ENB_REQ (msg_p).nb_mme = 0;
	    
	    for (int l = 0; l < S1ParamList.numelt; l++) {
	      
	      S1AP_REGISTER_ENB_REQ (msg_p).nb_mme += 1;
	      
	      strcpy(S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[l].ipv4_address,*(S1ParamList.paramarray[l][GNB_MME_IPV4_ADDRESS_IDX].strptr));
	      strcpy(S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[l].ipv6_address,*(S1ParamList.paramarray[l][GNB_MME_IPV6_ADDRESS_IDX].strptr));

	      if (strcmp(*(S1ParamList.paramarray[l][GNB_MME_IP_ADDRESS_ACTIVE_IDX].strptr), "yes") == 0) {
	      } 
	      if (strcmp(*(S1ParamList.paramarray[l][GNB_MME_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv4") == 0) {
		S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[j].ipv4 = 1;
	      } else if (strcmp(*(S1ParamList.paramarray[l][GNB_MME_IP_ADDRESS_PREFERENCE_IDX].strptr), "ipv6") == 0) {
		S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[j].ipv6 = 1;
	      } else if (strcmp(*(S1ParamList.paramarray[l][GNB_MME_IP_ADDRESS_PREFERENCE_IDX].strptr), "no") == 0) {
		S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[j].ipv4 = 1;
		S1AP_REGISTER_ENB_REQ (msg_p).mme_ip_address[j].ipv6 = 1;
	      }

              if (S1ParamList.paramarray[l][GNB_MME_BROADCAST_PLMN_INDEX].iptr)
                S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l] = S1ParamList.paramarray[l][GNB_MME_BROADCAST_PLMN_INDEX].numelt;
              else
                S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l] = 0;

              AssertFatal(S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l] <= S1AP_REGISTER_ENB_REQ(msg_p).num_plmn,
                          "List of broadcast PLMN to be sent to MME can not be longer than actual "
                          "PLMN list (max %d, but is %d)\n",
                          S1AP_REGISTER_ENB_REQ(msg_p).num_plmn,
                          S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l]);

              for (int el = 0; el < S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l]; ++el) {
                /* UINTARRAY gets mapped to int, see config_libconfig.c:223 */
                S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_index[l][el] = S1ParamList.paramarray[l][GNB_MME_BROADCAST_PLMN_INDEX].iptr[el];
                AssertFatal(S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_index[l][el] >= 0
                            && S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_index[l][el] < S1AP_REGISTER_ENB_REQ(msg_p).num_plmn,
                            "index for MME's MCC/MNC (%d) is an invalid index for the registered PLMN IDs (%d)\n",
                            S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_index[l][el],
                            S1AP_REGISTER_ENB_REQ(msg_p).num_plmn);
              }
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              /* if no broadcasst_plmn array is defined, fill default values */
              if (S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l] == 0) {
                S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_num[l] = S1AP_REGISTER_ENB_REQ(msg_p).num_plmn;
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                for (int el = 0; el < S1AP_REGISTER_ENB_REQ(msg_p).num_plmn; ++el)
                  S1AP_REGISTER_ENB_REQ(msg_p).broadcast_plmn_index[l][el] = el;
              }
	      
	    }
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	    // SCTP SETTING
	    S1AP_REGISTER_ENB_REQ (msg_p).sctp_out_streams = SCTP_OUT_STREAMS;
	    S1AP_REGISTER_ENB_REQ (msg_p).sctp_in_streams  = SCTP_IN_STREAMS;
	    if (EPC_MODE_ENABLED) {
	      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); 
	      S1AP_REGISTER_ENB_REQ (msg_p).sctp_in_streams = (uint16_t)*(SCTPParams[GNB_SCTP_INSTREAMS_IDX].uptr);
	      S1AP_REGISTER_ENB_REQ (msg_p).sctp_out_streams = (uint16_t)*(SCTPParams[GNB_SCTP_OUTSTREAMS_IDX].uptr);
	    }
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            sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,k,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
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	    // NETWORK_INTERFACES
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            config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix); 
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	    //    S1AP_REGISTER_ENB_REQ (msg_p).enb_interface_name_for_S1U = strdup(enb_interface_name_for_S1U);
	    cidr = *(NETParams[GNB_IPV4_ADDRESS_FOR_S1_MME_IDX].strptr);
	    address = strtok(cidr, "/");
	    
	    S1AP_REGISTER_ENB_REQ (msg_p).enb_ip_address.ipv6 = 0;
	    S1AP_REGISTER_ENB_REQ (msg_p).enb_ip_address.ipv4 = 1;
	    
	    strcpy(S1AP_REGISTER_ENB_REQ (msg_p).enb_ip_address.ipv4_address, address);
	    
	    break;
	  }
	}
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      }
    }
  }
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  return 0;
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}

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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;
}

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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;
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/* get global parameters, defined outside any section in the config file */
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  LOG_I(GNB_APP, "Getting GNBSParams\n");
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  config_get( GNBSParams,sizeof(GNBSParams)/sizeof(paramdef_t),NULL); 
  RC.nb_nr_inst = GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt;
	// Get num MACRLC instances
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  config_getlist( &MACRLCParamList,NULL,0, NULL);
  RC.nb_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();
    
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}
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int RCconfig_NR_X2(MessageDef *msg_p, uint32_t i) {
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  int   J, l;
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  char *address = NULL;
  char *cidr    = NULL;

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  //int                    num_gnbs                                                      = 0;
  //int                    num_component_carriers                                        = 0;
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  int                    j,k                                                           = 0;
  int32_t                gnb_id                                                        = 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);

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  //paramlist_def_t SCCsParamList = {GNB_CONFIG_STRING_SERVINGCELLCONFIGCOMMON, NULL, 0};
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  AssertFatal(i < GNBSParams[GNB_ACTIVE_GNBS_IDX].numelt,
              "Failed to parse config file %s, %uth attribute %s \n",
              RC.config_file_name, i, ENB_CONFIG_STRING_ACTIVE_ENBS);

  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 (EPC_MODE_ENABLED) {
            uint32_t hash;
            hash = s1ap_generate_eNB_id ();
            gnb_id = k + (hash & 0xFFFF8);
          } 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;
            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);
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            X2AP_REGISTER_ENB_REQ (msg_p).num_cc = 1;
            J = 0;
            X2AP_REGISTER_ENB_REQ (msg_p).eutra_band[J] = 78; //ccparams_nr_x2.nr_band; //78
            X2AP_REGISTER_ENB_REQ (msg_p).downlink_frequency[J] = 3600000000; //ccparams_nr_x2.downlink_frequency; //3600000000
            X2AP_REGISTER_ENB_REQ (msg_p).uplink_frequency_offset[J] = 0; //(unsigned int) ccparams_nr_x2.uplink_frequency_offset; //0
            X2AP_REGISTER_ENB_REQ (msg_p).Nid_cell[J]= 0; //ccparams_nr_x2.Nid_cell; //0
            X2AP_REGISTER_ENB_REQ (msg_p).N_RB_DL[J]= 106; //ccparams_nr_x2.N_RB_DL; //106

            X2AP_REGISTER_ENB_REQ (msg_p).frame_type[J] = TDD;

            //Temp out
            /*X2AP_REGISTER_ENB_REQ (msg_p).fdd_earfcn_DL[J] = to_earfcn_DL(ccparams_lte.eutra_band, ccparams_lte.downlink_frequency, ccparams_lte.N_RB_DL);
              X2AP_REGISTER_ENB_REQ (msg_p).fdd_earfcn_UL[J] = to_earfcn_UL(ccparams_lte.eutra_band, ccparams_lte.downlink_frequency + ccparams_lte.uplink_frequency_offset, ccparams_lte.N_RB_DL);*/
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            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;
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              int t_dc_prep = 0;
              int t_dc_overall = 0;
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              paramdef_t p[] = {
                { "t_reloc_prep", "t_reloc_prep", 0, iptr:&t_reloc_prep, defintval:0, TYPE_INT, 0 },
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                { "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 }
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              };
              config_get(p, sizeof(p)/sizeof(paramdef_t), aprefix);

              if (t_reloc_prep <= 0 || t_reloc_prep > 10000 ||
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                  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");
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                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;
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              X2AP_REGISTER_ENB_REQ (msg_p).t_dc_prep = t_dc_prep;
              X2AP_REGISTER_ENB_REQ (msg_p).t_dc_overall = t_dc_overall;
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            }
            // 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 (EPC_MODE_ENABLED) {
              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);
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            X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C = (uint32_t)*(NETParams[GNB_PORT_FOR_X2C_IDX].uptr);
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            //temp out
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            if ((NETParams[GNB_IPV4_ADDR_FOR_X2C_IDX].strptr == NULL) || (X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C == 0)) {
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              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);
            address = strtok(cidr, "/");
            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;
}