gnb_config.c 64.6 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"
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#include "s1ap_eNB.h"
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#include "ngap_gNB.h"
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#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 + (ngap_generate_gNB_id () & 0xFFFFFF8);
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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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  int ssb_SubcarrierOffset = 31;
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  int pdsch_AntennaPorts = 1;
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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};
  paramdef_t SSBsParams[] = SSBPARAMS_DESC;
  paramlist_def_t SSBsParamList = {GNB_CONFIG_STRING_SSBSUBCARRIEROFFSET, NULL, 0};
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  paramdef_t PDSCHANTENNAParams[] = PDSCHANTENNAPARAMS_DESC;
  paramlist_def_t PDSCHANTENNAParamList = {GNB_CONFIG_STRING_PDSCHANTENNAPORTS, NULL, 0};
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   ////////// 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;
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        hash = ngap_generate_gNB_id ();
        gnb_id = i + (hash & 0xFFFFFF8);
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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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    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, 0);
    config_getlist(&SSBsParamList, NULL, 0, aprefix);
    if (SSBsParamList.numelt > 0) config_get(SSBsParams,sizeof(SSBsParams)/sizeof(paramdef_t),aprefix);
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    config_getlist(&PDSCHANTENNAParamList, NULL, 0, aprefix);
    if (PDSCHANTENNAParamList.numelt > 0) config_get(PDSCHANTENNAParams,sizeof(PDSCHANTENNAParams)/sizeof(paramdef_t),aprefix);

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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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        // Parse optional physical parameters
        sprintf(gnbpath,"%s.[%i]",GNB_CONFIG_STRING_GNB_LIST,k),

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        printf("SSB SCO %d\n",ssb_SubcarrierOffset);
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	NRRRC_CONFIGURATION_REQ (msg_p).ssb_SubcarrierOffset = ssb_SubcarrierOffset;
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        printf("pdsch_AntennaPorts %d\n",pdsch_AntennaPorts);
	NRRRC_CONFIGURATION_REQ (msg_p).pdsch_AntennaPorts = pdsch_AntennaPorts;
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	NRRRC_CONFIGURATION_REQ (msg_p).scc = scc;	   
	  
      }//
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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_NGU    = NULL;
  char*             gnb_ipv4_address_for_NGU      = NULL;
  uint32_t          gnb_port_for_NGU              = 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_NGU;
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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 NG_U !\n" );
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     // 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 NG_U !\n" );
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     LOG_I(GTPU,"Configuring GTPu address : %s -> %x\n",address,GTPV1U_ENB_S1_REQ(message).enb_ip_address_for_S1u_S12_S4_up);
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     GTPV1U_ENB_S1_REQ(message).enb_port_for_S1u_S12_S4_up = gnb_port_for_NGU;
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     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
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    LOG_E(GTPU,"invalid address for NGU\n");
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return 0;
}

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int RCconfig_NR_NG(MessageDef *msg_p, uint32_t i) {
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  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); 
    
    
    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;
          
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          hash = ngap_generate_gNB_id ();
          gnb_id = k + (hash & 0xFFFFFF8);
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          } 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 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];
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	    sprintf(aprefix, "%s.[%i]", GNB_CONFIG_STRING_GNB_LIST, k);
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            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;
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            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);

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            NGAP_REGISTER_GNB_REQ(msg_p).num_plmn = PLMNParamList.numelt;
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            for (int l = 0; l < PLMNParamList.numelt; ++l) {
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              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]);
            }
            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;
              }

              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;
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              else
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                NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l] = 0;
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              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 "
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                          "PLMN list (max %d, but is %d)\n",
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                          NGAP_REGISTER_GNB_REQ(msg_p).num_plmn,
                          NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l]);
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              for (int el = 0; el < NGAP_REGISTER_GNB_REQ(msg_p).broadcast_plmn_num[l]; ++el) {
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                /* UINTARRAY gets mapped to int, see config_libconfig.c:223 */
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                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);
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              }
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              /* if no broadcasst_plmn array is defined, fill default values */
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              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;
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                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;
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              }
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            }

          
            // 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 (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); 
              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);
            }
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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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            //    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);
            address = strtok(cidr, "/");
            
            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;
          }
        }
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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;
 
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	// 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);

1024
  //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;
1040 1041
            hash = ngap_generate_gNB_id ();
            gnb_id = k + (hash & 0xFFFFFF8);
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          } 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);
1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110

            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);*/
1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168

            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;
              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 }
              };
              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) {
                LOG_E(X2AP, "timers in configuration file have wrong values. We must have [0 < t_reloc_prep <= 10000] and [0 < tx2_reloc_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;
            }
            // 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);
1169
            X2AP_REGISTER_ENB_REQ (msg_p).enb_port_for_X2C = (uint32_t)*(NETParams[GNB_PORT_FOR_X2C_IDX].uptr);
1170 1171

            //temp out
1172
            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;
}