nfapi_pnf.c 63.2 KB
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#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>

#include "debug.h"
#include "nfapi_pnf_interface.h"
#include "nfapi.h"
#include "nfapi_pnf.h"
#include "common/ran_context.h"
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#include "openair2/PHY_INTERFACE/phy_stub_UE.h"
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//#include "openair1/PHY/vars.h"
extern RAN_CONTEXT_t RC;

#include <sys/socket.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <assert.h>
#include <arpa/inet.h>
#include <pthread.h>
#include <errno.h>

#include <vendor_ext.h>
#include "fapi_stub.h"
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//#include "fapi_l1.h"
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#include "UTIL/LOG/log.h"
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#define NUM_P5_PHY 2

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#define _GNU_SOURCE

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extern void phy_init_RU(RU_t*);
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extern int config_sync_var;
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extern pthread_cond_t nfapi_sync_cond;
extern pthread_mutex_t nfapi_sync_mutex;
extern int nfapi_sync_var;

extern int sync_var;
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char uecap_xer_in;
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extern void init_eNB_afterRU(void);
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extern void init_UE_stub(int nb_inst,int,int);
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extern void handle_nfapi_dci_dl_pdu(PHY_VARS_eNB *eNB, eNB_rxtx_proc_t *proc, nfapi_dl_config_request_pdu_t *dl_config_pdu);
extern void handle_nfapi_ul_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, nfapi_ul_config_request_pdu_t *ul_config_pdu, uint16_t frame,uint8_t subframe,uint8_t srs_present);
extern void handle_nfapi_dlsch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc,  nfapi_dl_config_request_pdu_t *dl_config_pdu, uint8_t codeword_index, uint8_t *sdu);
extern void handle_nfapi_hi_dci0_dci_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu);
extern void handle_nfapi_hi_dci0_hi_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu);
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extern void handle_nfapi_bch_pdu(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, nfapi_dl_config_request_pdu_t *dl_config_pdu, uint8_t *sdu);
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extern uint8_t  nfapi_mode;
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nfapi_tx_request_pdu_t* tx_request_pdu[1023][10][10]; // [frame][subframe][max_num_pdus]
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uint16_t phy_antenna_capability_values[] = { 1, 2, 4, 8, 16 };

nfapi_pnf_param_response_t g_pnf_param_resp;


nfapi_pnf_p7_config_t *p7_config_g = NULL;

void* pnf_allocate(size_t size)
{
  //DJP
  //return (void*)memory_pool::allocate(size);
  return malloc(size);
}

void pnf_deallocate(void* ptr)
{
  //DJP
  //memory_pool::deallocate((uint8_t*)ptr);
  free(ptr);
}


//class udp_data
//DJP
typedef struct 
{
  //public:
  uint8_t enabled;
  uint32_t rx_port;
  uint32_t tx_port;
  //std::string tx_addr;
  char tx_addr[80];
}udp_data;

//class phy_info
//DJP
typedef struct 
{
#if 0
  public:

    phy_info()
      : first_subframe_ind(0), fapi(0),
      dl_ues_per_subframe(0), ul_ues_per_subframe(0), 
      timing_window(0), timing_info_mode(0), timing_info_period(0)
  {
    index = 0;
    id = 0;

    local_port = 0;
    remote_addr = 0;
    remote_port = 0;

    duplex_mode = 0;
    dl_channel_bw_support = 0;
    ul_channel_bw_support = 0;
    num_dl_layers_supported = 0;
    num_ul_layers_supported = 0;
    release_supported = 0;
    nmm_modes_supported = 0;
  }
#endif

    uint16_t index;
    uint16_t id;
    //std::vector<uint8_t> rfs;
    //std::vector<uint8_t> excluded_rfs;
    uint8_t rfs[2];
    uint8_t excluded_rfs[2];

    udp_data udp;

    //std::string local_addr;
    char local_addr[80];
    int local_port;

    char* remote_addr;
    int remote_port;

    uint8_t duplex_mode;
    uint16_t dl_channel_bw_support;
    uint16_t ul_channel_bw_support;
    uint8_t num_dl_layers_supported;
    uint8_t num_ul_layers_supported;
    uint16_t release_supported;
    uint8_t nmm_modes_supported;

    uint8_t dl_ues_per_subframe;
    uint8_t ul_ues_per_subframe;

    uint8_t first_subframe_ind;

    // timing information recevied from the vnf
    uint8_t timing_window;
    uint8_t timing_info_mode;
    uint8_t timing_info_period;

    //fapi_t* fapi;

}phy_info;

//class rf_info
//DJP
typedef struct 
{
  //public:
  uint16_t index;
  uint16_t band;
  int16_t max_transmit_power;
  int16_t min_transmit_power;
  uint8_t num_antennas_supported;
  uint32_t min_downlink_frequency;
  uint32_t max_downlink_frequency;
  uint32_t max_uplink_frequency;
  uint32_t min_uplink_frequency;
}rf_info;


//class pnf_info
//DJP
typedef struct 
{
#if 0
  public:

    pnf_info() 
      : release(13), wireshark_test_mode(0),
      max_total_power(0), oui(0)

  {
    release = 0;

    sync_mode = 0;
    location_mode = 0;
    dl_config_timing = 0;
    ul_config_timing = 0;
    tx_timing = 0;
    hi_dci0_timing = 0;

    max_phys = 0;
    max_total_bw = 0;
    max_total_dl_layers = 0;
    max_total_ul_layers = 0;
    shared_bands = 0;
    shared_pa = 0;

  }
#endif

    int release;
    //DJPstd::vector<phy_info> phys;
    //std::vector<rf_info> rfs;
    phy_info phys[2];
    rf_info rfs[2];

    uint8_t sync_mode;
    uint8_t location_mode;
    uint8_t location_coordinates[6];
    uint32_t dl_config_timing;
    uint32_t ul_config_timing;
    uint32_t tx_timing;
    uint32_t hi_dci0_timing;

    uint16_t max_phys;
    uint16_t max_total_bw;
    uint16_t max_total_dl_layers;
    uint16_t max_total_ul_layers;
    uint8_t shared_bands;
    uint8_t shared_pa;
    int16_t max_total_power;
    uint8_t oui;

    uint8_t wireshark_test_mode;

}pnf_info;

// DJP struct pnf_phy_user_data_t
typedef struct 
{
  uint16_t phy_id;
  nfapi_pnf_config_t* config;
  phy_info* phy;
  nfapi_pnf_p7_config_t* p7_config;
}pnf_phy_user_data_t;

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static pnf_info pnf;
static pthread_t pnf_start_pthread;

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extern void nfapi_log(char *file, char *func, int line, int comp, int level, const char* format, va_list args);

void pnf_nfapi_trace(nfapi_trace_level_t nfapi_level, const char* message, ...)
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{
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#if 1
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  va_list    args;
  int oai_level;

  if (nfapi_level==NFAPI_TRACE_ERROR)
  {
    oai_level = LOG_ERR;
  }
  else if (nfapi_level==NFAPI_TRACE_WARN)
  {
    oai_level = LOG_WARNING;
  }
  else if (nfapi_level==NFAPI_TRACE_NOTE)
  {
    oai_level = LOG_INFO;
  }
  else if (nfapi_level==NFAPI_TRACE_INFO)
  {
    oai_level = LOG_INFO;
  }
  else
  {
    oai_level = LOG_INFO;
  }

  va_start(args, message);
  nfapi_log("FILE>", "FUNC", 999, PHY, oai_level, message, args);
  va_end(args);
  #else
  va_list    args;
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  va_start(args, message);
  vprintf(message, args);
  va_end(args);
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  #endif
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}

void pnf_set_thread_priority(int priority)
{
  //printf("%s(priority:%d)\n", __FUNCTION__, priority);

  pthread_attr_t ptAttr;

  struct sched_param schedParam;
  schedParam.__sched_priority = priority; //79;
  if(sched_setscheduler(0, SCHED_RR, &schedParam) != 0)
  {
    printf("failed to set SCHED_RR\n");
  }

  if(pthread_attr_setschedpolicy(&ptAttr, SCHED_RR) != 0)
  {
    printf("failed to set pthread SCHED_RR %d\n", errno);
  }

  pthread_attr_setinheritsched(&ptAttr, PTHREAD_EXPLICIT_SCHED);

  struct sched_param thread_params;
  thread_params.sched_priority = 20;
  if(pthread_attr_setschedparam(&ptAttr, &thread_params) != 0)
  {
    printf("failed to set sched param\n");
  }
}

void* pnf_p7_thread_start(void* ptr)
{
  NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] P7 THREAD %s\n", __FUNCTION__);

  pnf_set_thread_priority(79);

  nfapi_pnf_p7_config_t* config = (nfapi_pnf_p7_config_t*)ptr;
  nfapi_pnf_p7_start(config);

  return 0;
}



int pnf_param_request(nfapi_pnf_config_t* config, nfapi_pnf_param_request_t* req)
{
  printf("[PNF] pnf param request\n");

  nfapi_pnf_param_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_PNF_PARAM_RESPONSE;
  resp.error_code = NFAPI_MSG_OK;

  pnf_info* pnf = (pnf_info*)(config->user_data);

  resp.pnf_param_general.tl.tag = NFAPI_PNF_PARAM_GENERAL_TAG;
  resp.pnf_param_general.nfapi_sync_mode = pnf->sync_mode;
  resp.pnf_param_general.location_mode = pnf->location_mode;
  //uint8_t location_coordinates[NFAPI_PNF_PARAM_GENERAL_LOCATION_LENGTH];
  resp.pnf_param_general.dl_config_timing = pnf->dl_config_timing;
  resp.pnf_param_general.tx_timing = pnf->tx_timing;
  resp.pnf_param_general.ul_config_timing = pnf->ul_config_timing;
  resp.pnf_param_general.hi_dci0_timing = pnf->hi_dci0_timing;
  resp.pnf_param_general.maximum_number_phys = pnf->max_phys;
  resp.pnf_param_general.maximum_total_bandwidth = pnf->max_total_bw;
  resp.pnf_param_general.maximum_total_number_dl_layers = pnf->max_total_dl_layers;
  resp.pnf_param_general.maximum_total_number_ul_layers = pnf->max_total_ul_layers;
  resp.pnf_param_general.shared_bands = pnf->shared_bands;
  resp.pnf_param_general.shared_pa = pnf->shared_pa;
  resp.pnf_param_general.maximum_total_power = pnf->max_total_power;
  //uint8_t oui[NFAPI_PNF_PARAM_GENERAL_OUI_LENGTH];

  resp.pnf_phy.tl.tag = NFAPI_PNF_PHY_TAG;
  //DJP resp.pnf_phy.number_of_phys = pnf->phys.size();
  resp.pnf_phy.number_of_phys = 1;

  //for(int i = 0; i < pnf->phys.size(); ++i)
  for(int i = 0; i < 1; ++i)
  {
    resp.pnf_phy.phy[i].phy_config_index = pnf->phys[i].index; 
    resp.pnf_phy.phy[i].downlink_channel_bandwidth_supported = pnf->phys[i].dl_channel_bw_support;
    resp.pnf_phy.phy[i].uplink_channel_bandwidth_supported = pnf->phys[i].ul_channel_bw_support;
    resp.pnf_phy.phy[i].number_of_dl_layers_supported = pnf->phys[i].num_dl_layers_supported;
    resp.pnf_phy.phy[i].number_of_ul_layers_supported = pnf->phys[i].num_ul_layers_supported;
    resp.pnf_phy.phy[i].maximum_3gpp_release_supported = pnf->phys[i].release_supported;
    resp.pnf_phy.phy[i].nmm_modes_supported = pnf->phys[i].nmm_modes_supported;

    //DJP resp.pnf_phy.phy[i].number_of_rfs = pnf->phys[i].rfs.size();
    resp.pnf_phy.phy[i].number_of_rfs = 2;
    //for(int j = 0; j < pnf->phys[i].rfs.size(); ++j)
    for(int j = 0; j < 1; ++j)
    {
      resp.pnf_phy.phy[i].rf_config[j].rf_config_index = pnf->phys[i].rfs[j];
    }

    //DJP resp.pnf_phy.phy[i].number_of_rf_exclusions = pnf->phys[i].excluded_rfs.size();
    resp.pnf_phy.phy[i].number_of_rf_exclusions = 0;
    //DJP for(int j = 0; j < pnf->phys[i].excluded_rfs.size(); ++j)
    for(int j = 0; j < 0; ++j)
    {
      resp.pnf_phy.phy[i].excluded_rf_config[j].rf_config_index = pnf->phys[i].excluded_rfs[j];
    }
  }


  resp.pnf_rf.tl.tag = NFAPI_PNF_RF_TAG;
  //DJPresp.pnf_rf.number_of_rfs = pnf->rfs.size();
  resp.pnf_rf.number_of_rfs = 2;

  //for(int i = 0; i < pnf->rfs.size(); ++i)
  for(int i = 0; i < 2; ++i)
  {
    resp.pnf_rf.rf[i].rf_config_index = pnf->rfs[i].index; 
    resp.pnf_rf.rf[i].band = pnf->rfs[i].band;
    resp.pnf_rf.rf[i].maximum_transmit_power = pnf->rfs[i].max_transmit_power; 
    resp.pnf_rf.rf[i].minimum_transmit_power = pnf->rfs[i].min_transmit_power;
    resp.pnf_rf.rf[i].number_of_antennas_suppported = pnf->rfs[i].num_antennas_supported;
    resp.pnf_rf.rf[i].minimum_downlink_frequency = pnf->rfs[i].min_downlink_frequency;
    resp.pnf_rf.rf[i].maximum_downlink_frequency = pnf->rfs[i].max_downlink_frequency;
    resp.pnf_rf.rf[i].minimum_uplink_frequency = pnf->rfs[i].min_uplink_frequency;
    resp.pnf_rf.rf[i].maximum_uplink_frequency = pnf->rfs[i].max_uplink_frequency;
  }

  if(pnf->release >= 10)
  {
    resp.pnf_phy_rel10.tl.tag = NFAPI_PNF_PHY_REL10_TAG;
    //DJPresp.pnf_phy_rel10.number_of_phys = pnf->phys.size();
    resp.pnf_phy_rel10.number_of_phys = 1;

    //for(int i = 0; i < pnf->phys.size(); ++i)
    for(int i = 0; i < 1; ++i)
    {
      resp.pnf_phy_rel10.phy[i].phy_config_index = pnf->phys[i].index; 
      resp.pnf_phy_rel10.phy[i].transmission_mode_7_supported = 0;
      resp.pnf_phy_rel10.phy[i].transmission_mode_8_supported = 1;
      resp.pnf_phy_rel10.phy[i].two_antenna_ports_for_pucch = 0;
      resp.pnf_phy_rel10.phy[i].transmission_mode_9_supported = 1;
      resp.pnf_phy_rel10.phy[i].simultaneous_pucch_pusch = 0;
      resp.pnf_phy_rel10.phy[i].four_layer_tx_with_tm3_and_tm4 = 1;

    }
  }

  if(pnf->release >= 11)
  {
    resp.pnf_phy_rel11.tl.tag = NFAPI_PNF_PHY_REL11_TAG;
    //DJP resp.pnf_phy_rel11.number_of_phys = pnf->phys.size();
    resp.pnf_phy_rel11.number_of_phys = 1;

    //DJP for(int i = 0; i < pnf->phys.size(); ++i)
    for(int i = 0; i < 1; ++i)
    {
      resp.pnf_phy_rel11.phy[i].phy_config_index = pnf->phys[i].index; 
      resp.pnf_phy_rel11.phy[i].edpcch_supported = 0;
      resp.pnf_phy_rel11.phy[i].multi_ack_csi_reporting = 1;
      resp.pnf_phy_rel11.phy[i].pucch_tx_diversity = 0;
      resp.pnf_phy_rel11.phy[i].ul_comp_supported = 1;
      resp.pnf_phy_rel11.phy[i].transmission_mode_5_supported = 0;
    }
  }

  if(pnf->release >= 12)
  {
    resp.pnf_phy_rel12.tl.tag = NFAPI_PNF_PHY_REL12_TAG;
    //DJP resp.pnf_phy_rel12.number_of_phys = pnf->phys.size();
    resp.pnf_phy_rel12.number_of_phys = 1;

    //DJP for(int i = 0; i < pnf->phys.size(); ++i)
    for(int i = 0; i < 1; ++i)
    {
      resp.pnf_phy_rel12.phy[i].phy_config_index = pnf->phys[i].index; 
      resp.pnf_phy_rel12.phy[i].csi_subframe_set = 0;
      resp.pnf_phy_rel12.phy[i].enhanced_4tx_codebook = 2; // yes this is invalid
      resp.pnf_phy_rel12.phy[i].drs_supported = 0;
      resp.pnf_phy_rel12.phy[i].ul_64qam_supported = 1;
      resp.pnf_phy_rel12.phy[i].transmission_mode_10_supported = 0;
      resp.pnf_phy_rel12.phy[i].alternative_bts_indices = 1;
    }
  }

  if(pnf->release >= 13)
  {
    resp.pnf_phy_rel13.tl.tag = NFAPI_PNF_PHY_REL13_TAG;
    //DJP resp.pnf_phy_rel13.number_of_phys = pnf->phys.size();
    resp.pnf_phy_rel13.number_of_phys = 1;

    //for(int i = 0; i < pnf->phys.size(); ++i)
    for(int i = 0; i < 1; ++i)
    {
      resp.pnf_phy_rel13.phy[i].phy_config_index = pnf->phys[i].index; 
      resp.pnf_phy_rel13.phy[i].pucch_format4_supported = 0;
      resp.pnf_phy_rel13.phy[i].pucch_format5_supported = 1;
      resp.pnf_phy_rel13.phy[i].more_than_5_ca_support = 0;
      resp.pnf_phy_rel13.phy[i].laa_supported = 1;
      resp.pnf_phy_rel13.phy[i].laa_ending_in_dwpts_supported = 0;
      resp.pnf_phy_rel13.phy[i].laa_starting_in_second_slot_supported = 1;
      resp.pnf_phy_rel13.phy[i].beamforming_supported = 0;
      resp.pnf_phy_rel13.phy[i].csi_rs_enhancement_supported = 1;
      resp.pnf_phy_rel13.phy[i].drms_enhancement_supported = 0;
      resp.pnf_phy_rel13.phy[i].srs_enhancement_supported = 1;
    }

    resp.pnf_phy_rel13_nb_iot.tl.tag = NFAPI_PNF_PHY_REL13_NB_IOT_TAG;
    //DJP resp.pnf_phy_rel13_nb_iot.number_of_phys = pnf->phys.size();		
    resp.pnf_phy_rel13_nb_iot.number_of_phys = 1;

    //for(int i = 0; i < pnf->phys.size(); ++i)
    for(int i = 0; i < 1; ++i)
    {
      resp.pnf_phy_rel13_nb_iot.phy[i].phy_config_index = pnf->phys[i].index; 

      //DJP resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rfs = pnf->phys[i].rfs.size();
      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rfs = 1;
      //DJP for(int j = 0; j < pnf->phys[i].rfs.size(); ++j)
      for(int j = 0; j < 1; ++j)
      {
        resp.pnf_phy_rel13_nb_iot.phy[i].rf_config[j].rf_config_index = pnf->phys[i].rfs[j];
      }

      //DJP resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rf_exclusions = pnf->phys[i].excluded_rfs.size();
      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rf_exclusions = 1;
      //DJP for(int j = 0; j < pnf->phys[i].excluded_rfs.size(); ++j)
      for(int j = 0; j < 1; ++j)
      {
        resp.pnf_phy_rel13_nb_iot.phy[i].excluded_rf_config[j].rf_config_index = pnf->phys[i].excluded_rfs[j];
      }

      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_dl_layers_supported = pnf->phys[i].num_dl_layers_supported;
      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_ul_layers_supported = pnf->phys[i].num_ul_layers_supported;
      resp.pnf_phy_rel13_nb_iot.phy[i].maximum_3gpp_release_supported = pnf->phys[i].release_supported;
      resp.pnf_phy_rel13_nb_iot.phy[i].nmm_modes_supported = pnf->phys[i].nmm_modes_supported;

    }
  }


  nfapi_pnf_pnf_param_resp(config, &resp);

  return 0;
}

int pnf_config_request(nfapi_pnf_config_t* config, nfapi_pnf_config_request_t* req)
{
  printf("[PNF] pnf config request\n");

  pnf_info* pnf = (pnf_info*)(config->user_data);

#if 0
  for(int i = 0; i < req->pnf_phy_rf_config.number_phy_rf_config_info; ++i)
  {
    auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
        { return item.index == req->pnf_phy_rf_config.phy_rf_config[i].phy_config_index; });

    if(found != pnf->phys.end())
    {
      phy_info& phy = (*found);
      phy.id = req->pnf_phy_rf_config.phy_rf_config[i].phy_id;
      printf("[PNF] pnf config request assigned phy_id %d to phy_config_index %d\n", phy.id, req->pnf_phy_rf_config.phy_rf_config[i].phy_config_index);
    }
    else
    {
      // did not find the phy
      printf("[PNF] pnf config request did not find phy_config_index %d\n", req->pnf_phy_rf_config.phy_rf_config[i].phy_config_index);
    }

  }
#endif
  //DJP
  phy_info *phy = pnf->phys;
  phy->id = req->pnf_phy_rf_config.phy_rf_config[0].phy_id;
  printf("[PNF] pnf config request assigned phy_id %d to phy_config_index %d\n", phy->id, req->pnf_phy_rf_config.phy_rf_config[0].phy_config_index);
  //DJP

  nfapi_pnf_config_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_PNF_CONFIG_RESPONSE;
  resp.error_code = NFAPI_MSG_OK;
  nfapi_pnf_pnf_config_resp(config, &resp);
  printf("[PNF] Sent pnf_config_resp\n");

  return 0;
}

void nfapi_send_pnf_start_resp(nfapi_pnf_config_t* config, uint16_t phy_id)
{
  printf("Sending NFAPI_START_RESPONSE config:%p phy_id:%d\n", config, phy_id);

  nfapi_start_response_t start_resp;
  memset(&start_resp, 0, sizeof(start_resp));
  start_resp.header.message_id = NFAPI_START_RESPONSE;
  start_resp.header.phy_id = phy_id;
  start_resp.error_code = NFAPI_MSG_OK;

  nfapi_pnf_start_resp(config, &start_resp);
}

int pnf_start_request(nfapi_pnf_config_t* config, nfapi_pnf_start_request_t* req)
{
  printf("Received NFAPI_PNF_START_REQUEST\n");

  pnf_info* pnf = (pnf_info*)(config->user_data);

  // start all phys that have been configured
  //for(phy_info& phy : pnf->phys)
  phy_info* phy = pnf->phys;
  if(phy->id != 0)
  {
    //auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
    //		{ return item.id == req->header.phy_id; });
    //
    //	if(found != pnf->phys.end())
    //	{
    //		phy_info& phy = (*found);
    //}

    nfapi_pnf_start_response_t resp;
    memset(&resp, 0, sizeof(resp));
    resp.header.message_id = NFAPI_PNF_START_RESPONSE;
    resp.error_code = NFAPI_MSG_OK;
    nfapi_pnf_pnf_start_resp(config, &resp);
    printf("[PNF] Sent NFAPI_PNF_START_RESP\n");
  }
  return 0;
}

int pnf_stop_request(nfapi_pnf_config_t* config, nfapi_pnf_stop_request_t* req)
{
  printf("[PNF] Received NFAPI_PNF_STOP_REQ\n");

  nfapi_pnf_stop_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_PNF_STOP_RESPONSE;
  resp.error_code = NFAPI_MSG_OK;
  nfapi_pnf_pnf_stop_resp(config, &resp);
  printf("[PNF] Sent NFAPI_PNF_STOP_REQ\n");

  return 0;
}

int param_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_param_request_t* req)
{
  printf("[PNF] Received NFAPI_PARAM_REQUEST phy_id:%d\n", req->header.phy_id);

  //pnf_info* pnf = (pnf_info*)(config->user_data);

  nfapi_param_response_t nfapi_resp;

632 633
  pnf_info* pnf = (pnf_info*)(config->user_data);

634 635 636 637 638 639 640
  memset(&nfapi_resp, 0, sizeof(nfapi_resp));
  nfapi_resp.header.message_id = NFAPI_PARAM_RESPONSE;
  nfapi_resp.header.phy_id = req->header.phy_id;
  nfapi_resp.error_code = 0; // DJP - what value???

  struct sockaddr_in pnf_p7_sockaddr;

641
  pnf_p7_sockaddr.sin_addr.s_addr = inet_addr(pnf->phys[0].local_addr);
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  nfapi_resp.nfapi_config.p7_pnf_address_ipv4.tl.tag = NFAPI_NFAPI_P7_PNF_ADDRESS_IPV4_TAG;
  memcpy(nfapi_resp.nfapi_config.p7_pnf_address_ipv4.address, &pnf_p7_sockaddr.sin_addr.s_addr, 4);
  nfapi_resp.num_tlv++;

  // P7 PNF Port
  nfapi_resp.nfapi_config.p7_pnf_port.tl.tag = NFAPI_NFAPI_P7_PNF_PORT_TAG;
  nfapi_resp.nfapi_config.p7_pnf_port.value = 32123; // DJP - hard code alert!!!! FIXME TODO
  nfapi_resp.num_tlv++;

  nfapi_pnf_param_resp(config, &nfapi_resp);

  printf("[PNF] Sent NFAPI_PARAM_RESPONSE phy_id:%d number_of_tlvs:%u\n", req->header.phy_id, nfapi_resp.num_tlv);
#if 0
  //DJP
  auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
      { return item.id == req->header.phy_id; });

  if(found != pnf->phys.end())
#endif
  {
    //DJP phy_info& phy_info = (*found);
    //phy_info *phy_info = pnf->phys;

  }
#if 0
  else
  {
    // did not find the phy
  }
#endif

  printf("[PNF] param request .. exit\n");

  return 0;
}

// From MAC config.c
extern uint32_t from_earfcn(int eutra_bandP,uint32_t dl_earfcn);
extern int32_t get_uldl_offset(int eutra_bandP);

int config_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_config_request_t* req)
{
  printf("[PNF] Received NFAPI_CONFIG_REQ phy_id:%d\n", req->header.phy_id);

  pnf_info* pnf = (pnf_info*)(config->user_data);
  uint8_t num_tlv = 0;
688 689
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706

#if 0
  //DJP
  auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
      { return item.id == req->header.phy_id; });

  if(found != pnf->phys.end())
  {
    phy_info& phy_info = (*found);
  }
#endif
  //DJP 
  phy_info* phy_info = pnf->phys;

  if(req->nfapi_config.timing_window.tl.tag == NFAPI_NFAPI_TIMING_WINDOW_TAG)
  {
    phy_info->timing_window = req->nfapi_config.timing_window.value;
707
    printf("Phy_info:Timing window:%u NFAPI_CONFIG:timing_window:%u\n", phy_info->timing_window, req->nfapi_config.timing_window.value);
708 709 710 711 712
    num_tlv++;
  }

  if(req->nfapi_config.timing_info_mode.tl.tag == NFAPI_NFAPI_TIMING_INFO_MODE_TAG)
  {
713
    printf("timing info mode:%d\n", req->nfapi_config.timing_info_mode.value);
714 715 716 717 718 719 720 721 722 723 724
    phy_info->timing_info_mode = req->nfapi_config.timing_info_mode.value;
    num_tlv++;
  }
  else 
  {
    phy_info->timing_info_mode = 0;
    printf("NO timing info mode provided\n");
  }

  if(req->nfapi_config.timing_info_period.tl.tag == NFAPI_NFAPI_TIMING_INFO_PERIOD_TAG)
  {
725
    printf("timing info period provided value:%d\n", req->nfapi_config.timing_info_period.value);
726 727 728 729 730 731 732 733 734 735 736
    phy_info->timing_info_period = req->nfapi_config.timing_info_period.value;
    num_tlv++;
  }
  else 
  {
    phy_info->timing_info_period = 0;
  }

  if(req->rf_config.dl_channel_bandwidth.tl.tag == NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG)
  {
    phy_info->dl_channel_bw_support = req->rf_config.dl_channel_bandwidth.value;
737
    fp->N_RB_DL = req->rf_config.dl_channel_bandwidth.value;
738
    num_tlv++;
739
    NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG N_RB_DL:%u\n", __FUNCTION__, fp->N_RB_DL);
740 741 742 743 744 745 746 747 748
  }
  else
  {
    NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() Missing NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG\n", __FUNCTION__);
  }

  if(req->rf_config.ul_channel_bandwidth.tl.tag == NFAPI_RF_CONFIG_UL_CHANNEL_BANDWIDTH_TAG)
  {
    phy_info->ul_channel_bw_support = req->rf_config.ul_channel_bandwidth.value;
749
    fp->N_RB_UL = req->rf_config.ul_channel_bandwidth.value;
750 751 752 753 754 755
    num_tlv++;
  }

  if(req->nfapi_config.rf_bands.tl.tag == NFAPI_NFAPI_RF_BANDS_TAG)
  {
    pnf->rfs[0].band = req->nfapi_config.rf_bands.rf_band[0];
756
    fp->eutra_band = req->nfapi_config.rf_bands.rf_band[0];
757 758 759 760 761
    num_tlv++;
  }

  if(req->nfapi_config.earfcn.tl.tag == NFAPI_NFAPI_EARFCN_TAG)
  {
762 763
    fp->dl_CarrierFreq = from_earfcn(fp->eutra_band, req->nfapi_config.earfcn.value); // DJP - TODO FIXME - hard coded to first rf
    fp->ul_CarrierFreq = fp->dl_CarrierFreq - (get_uldl_offset(fp->eutra_band) * 1e5);
764 765 766
    num_tlv++;

    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() earfcn:%u dl_carrierFreq:%u ul_CarrierFreq:%u band:%u N_RB_DL:%u\n", 
767
        __FUNCTION__, req->nfapi_config.earfcn.value, fp->dl_CarrierFreq, fp->ul_CarrierFreq, pnf->rfs[0].band, fp->N_RB_DL);
768 769 770 771
  }

  if (req->subframe_config.duplex_mode.tl.tag == NFAPI_SUBFRAME_CONFIG_DUPLEX_MODE_TAG)
  {
772
    fp->frame_type = req->subframe_config.duplex_mode.value==0 ? TDD : FDD;
773
    num_tlv++;
774
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() frame_type:%d\n", __FUNCTION__, fp->frame_type);
775 776 777
  }
  if (req->subframe_config.dl_cyclic_prefix_type.tl.tag == NFAPI_SUBFRAME_CONFIG_DL_CYCLIC_PREFIX_TYPE_TAG)
  {
778
    fp->Ncp = req->subframe_config.dl_cyclic_prefix_type.value;
779 780 781 782 783
    num_tlv++;
  }

  if (req->subframe_config.ul_cyclic_prefix_type.tl.tag == NFAPI_SUBFRAME_CONFIG_UL_CYCLIC_PREFIX_TYPE_TAG)
  {
784
    fp->Ncp_UL = req->subframe_config.ul_cyclic_prefix_type.value;
785 786 787
    num_tlv++;
  }

788
  fp->num_MBSFN_config = 0; // DJP - hard code alert
789 790 791

  if (req->sch_config.physical_cell_id.tl.tag == NFAPI_SCH_CONFIG_PHYSICAL_CELL_ID_TAG)
  {
792 793
    fp->Nid_cell = req->sch_config.physical_cell_id.value;
    fp->nushift = fp->Nid_cell%6;
794 795 796 797 798
    num_tlv++;
  }

  if (req->rf_config.tx_antenna_ports.tl.tag == NFAPI_RF_CONFIG_TX_ANTENNA_PORTS_TAG)
  {
799 800
    fp->nb_antennas_tx = req->rf_config.tx_antenna_ports.value;
    fp->nb_antenna_ports_eNB = 1;
801 802 803 804 805
    num_tlv++;
  }

  if (req->rf_config.rx_antenna_ports.tl.tag == NFAPI_RF_CONFIG_RX_ANTENNA_PORTS_TAG)
  {
806
    fp->nb_antennas_rx = req->rf_config.rx_antenna_ports.value;
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    num_tlv++;
  }

  if (req->phich_config.phich_resource.tl.tag == NFAPI_PHICH_CONFIG_PHICH_RESOURCE_TAG)
  {
812
    fp->phich_config_common.phich_resource = req->phich_config.phich_resource.value;
813 814 815 816 817
    num_tlv++;
  }

  if (req->phich_config.phich_duration.tl.tag == NFAPI_PHICH_CONFIG_PHICH_DURATION_TAG)
  {
818
    fp->phich_config_common.phich_duration = req->phich_config.phich_duration.value;
819 820 821 822 823 824
    num_tlv++;
  }

  if (req->phich_config.phich_power_offset.tl.tag == NFAPI_PHICH_CONFIG_PHICH_POWER_OFFSET_TAG)
  {
    LOG_E(PHY, "%s() NFAPI_PHICH_CONFIG_PHICH_POWER_OFFSET_TAG tag:%d not supported\n", __FUNCTION__, req->phich_config.phich_power_offset.tl.tag);
825
    //fp->phich_config_common.phich_power_offset = req->phich_config.
826 827 828 829 830 831
    num_tlv++;
  }

  // UL RS Config
  if (req->uplink_reference_signal_config.cyclic_shift_1_for_drms.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_CYCLIC_SHIFT_1_FOR_DRMS_TAG)
  {
832
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = req->uplink_reference_signal_config.cyclic_shift_1_for_drms.value;
833 834 835 836 837
    num_tlv++;
  }

  if (req->uplink_reference_signal_config.uplink_rs_hopping.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_UPLINK_RS_HOPPING_TAG)
  {
838
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = req->uplink_reference_signal_config.uplink_rs_hopping.value;
839 840 841 842 843
    num_tlv++;
  }

  if (req->uplink_reference_signal_config.group_assignment.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_GROUP_ASSIGNMENT_TAG)
  {
844
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = req->uplink_reference_signal_config.group_assignment.value;
845 846 847 848 849
    num_tlv++;
  }

  if (req->pusch_config.hopping_mode.tl.tag == NFAPI_PUSCH_CONFIG_HOPPING_MODE_TAG) { }  // DJP - not being handled?

850
  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0; // DJP - not being handled
851 852 853

  if (req->prach_config.configuration_index.tl.tag == NFAPI_PRACH_CONFIG_CONFIGURATION_INDEX_TAG)
  {
854
    fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=req->prach_config.configuration_index.value;
855 856 857 858 859
    num_tlv++;
  }

  if (req->prach_config.root_sequence_index.tl.tag == NFAPI_PRACH_CONFIG_ROOT_SEQUENCE_INDEX_TAG)
  {
860
    fp->prach_config_common.rootSequenceIndex=req->prach_config.root_sequence_index.value;
861 862 863 864 865
    num_tlv++;
  }

  if (req->prach_config.zero_correlation_zone_configuration.tl.tag == NFAPI_PRACH_CONFIG_ZERO_CORRELATION_ZONE_CONFIGURATION_TAG)
  {
866
    fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=req->prach_config.zero_correlation_zone_configuration.value;
867 868 869 870 871
    num_tlv++;
  }

  if (req->prach_config.high_speed_flag.tl.tag == NFAPI_PRACH_CONFIG_HIGH_SPEED_FLAG_TAG)
  {
872
    fp->prach_config_common.prach_ConfigInfo.highSpeedFlag=req->prach_config.high_speed_flag.value;
873 874 875 876 877
    num_tlv++;
  }

  if (req->prach_config.frequency_offset.tl.tag == NFAPI_PRACH_CONFIG_FREQUENCY_OFFSET_TAG)
  {
878
    fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset=req->prach_config.frequency_offset.value;
879 880 881 882 883 884 885 886 887 888 889 890 891
    num_tlv++;
  }

  printf("[PNF] CONFIG_REQUEST[num_tlv:%d] TLVs processed:%d\n", req->num_tlv, num_tlv);

  printf("[PNF] Simulating PHY CONFIG - DJP\n");
  PHY_Config_t phy_config;
  phy_config.Mod_id = 0;
  phy_config.CC_id=0;
  phy_config.cfg = req;

  phy_config_request(&phy_config);

892
  dump_frame_parms(fp);
893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929

  phy_info->remote_port = req->nfapi_config.p7_vnf_port.value;

  struct sockaddr_in vnf_p7_sockaddr;
  memcpy(&vnf_p7_sockaddr.sin_addr.s_addr, &(req->nfapi_config.p7_vnf_address_ipv4.address[0]), 4);
  phy_info->remote_addr = inet_ntoa(vnf_p7_sockaddr.sin_addr);

  printf("[PNF] %d vnf p7 %s:%d timing %d %d %d\n", phy_info->id, phy_info->remote_addr, phy_info->remote_port, 
      phy_info->timing_window, phy_info->timing_info_mode, phy_info->timing_info_period);

  nfapi_config_response_t nfapi_resp;
  memset(&nfapi_resp, 0, sizeof(nfapi_resp));
  nfapi_resp.header.message_id = NFAPI_CONFIG_RESPONSE;
  nfapi_resp.header.phy_id = phy_info->id;
  nfapi_resp.error_code = 0; // DJP - some value resp->error_code;
  nfapi_pnf_config_resp(config, &nfapi_resp);
  printf("[PNF] Sent NFAPI_CONFIG_RESPONSE phy_id:%d\n", phy_info->id);

  return 0;
}

nfapi_p7_message_header_t* pnf_phy_allocate_p7_vendor_ext(uint16_t message_id, uint16_t* msg_size)
{
  if(message_id == P7_VENDOR_EXT_REQ)
  {
    (*msg_size) = sizeof(vendor_ext_p7_req);
    return (nfapi_p7_message_header_t*)malloc(sizeof(vendor_ext_p7_req));
  }

  return 0;
}

void pnf_phy_deallocate_p7_vendor_ext(nfapi_p7_message_header_t* header)
{
  free(header);
}

930 931
int pnf_phy_hi_dci0_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t* req)
{
932
  LOG_D(PHY,"[PNF] hi dci0 request sfn_sf:%d dci:%d hi:%d\n", NFAPI_SFNSF2DEC(req->sfn_sf), req->hi_dci0_request_body.number_of_dci, req->hi_dci0_request_body.number_of_hi);
933

934 935
  //phy_info* phy = (phy_info*)(pnf_p7->user_data);

936 937
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  eNB_rxtx_proc_t *proc = &eNB->proc.proc_rxtx[0];
938

939
  for (int i=0; i<req->hi_dci0_request_body.number_of_dci + req->hi_dci0_request_body.number_of_hi; i++)
940
  {
941
    //LOG_D(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d]\n", NFAPI_SFNSF2DEC(req->sfn_sf), i);
942

943
    if (req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type == NFAPI_HI_DCI0_DCI_PDU_TYPE)
944
    {
945
      LOG_D(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d] - NFAPI_HI_DCI0_DCI_PDU_TYPE\n", NFAPI_SFNSF2DEC(req->sfn_sf), i);
946

947 948 949 950 951
      nfapi_hi_dci0_request_pdu_t *hi_dci0_req_pdu = &req->hi_dci0_request_body.hi_dci0_pdu_list[i];

      handle_nfapi_hi_dci0_dci_pdu(eNB,proc,hi_dci0_req_pdu);

      eNB->pdcch_vars[NFAPI_SFNSF2SF(req->sfn_sf)&1].num_dci++;
952
    }
953 954 955
    else if (req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type == NFAPI_HI_DCI0_HI_PDU_TYPE)
    {
      LOG_D(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d] - NFAPI_HI_DCI0_HI_PDU_TYPE\n", NFAPI_SFNSF2DEC(req->sfn_sf), i);
956

957
      nfapi_hi_dci0_request_pdu_t *hi_dci0_req_pdu = &req->hi_dci0_request_body.hi_dci0_pdu_list[i];
958

959
      handle_nfapi_hi_dci0_hi_pdu(eNB, proc, hi_dci0_req_pdu);
960
    }
961 962 963 964
    else
    {
      LOG_E(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d] - unknown pdu type:%d\n", NFAPI_SFNSF2DEC(req->sfn_sf), i, req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type);
    }
965 966
  }

967 968
  return 0;
}
969

970 971
int pnf_phy_dl_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req)
{
972
  LOG_D(PHY,"[PNF] %s() sfn_sf:%d pdcch:%u dl_cfg[dci:%u pdus:%d pdsch_rnti:%d] pcfich:%u\n", __FUNCTION__,NFAPI_SFNSF2DEC(req->sfn_sf), req->dl_config_request_body.number_pdcch_ofdm_symbols, req->dl_config_request_body.number_dci, req->dl_config_request_body.number_pdu, req->dl_config_request_body.number_pdsch_rnti, req->dl_config_request_body.transmission_power_pcfich);
973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988

  if (RC.ru == 0)
  {
    return -1;
  }

  if (RC.eNB == 0)
  {
    return -2;
  }

  if (RC.eNB[0][0] == 0)
  {
    return -3;
  }

989 990 991 992
  if (sync_var != 0)
  { 
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() Main system not up - is this a dummy subframe?\n", __FUNCTION__);
    return -4;
993 994
  }

995
  int sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
996
  int sf = NFAPI_SFNSF2SF(req->sfn_sf);
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  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  eNB_rxtx_proc_t *proc = &eNB->proc.proc_rxtx[0];
  nfapi_dl_config_request_pdu_t* dl_config_pdu_list = req->dl_config_request_body.dl_config_pdu_list;
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  LTE_eNB_PDCCH *pdcch_vars = &eNB->pdcch_vars[sf&1];

  pdcch_vars->num_pdcch_symbols = req->dl_config_request_body.number_pdcch_ofdm_symbols;
  pdcch_vars->num_dci = 0;
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  //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() TX:%d/%d RX:%d/%d sfn_sf:%d DCI:%d PDU:%d\n", __FUNCTION__, proc->frame_tx, proc->subframe_tx, proc->frame_rx, proc->subframe_rx, NFAPI_SFNSF2DEC(req->sfn_sf), req->dl_config_request_body.number_dci, req->dl_config_request_body.number_pdu);
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  for (int i=0;i<req->dl_config_request_body.number_pdu;i++)
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  {
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    //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() sfn/sf:%d PDU[%d] size:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size);
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    if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE)
    {
      handle_nfapi_dci_dl_pdu(eNB,proc,&dl_config_pdu_list[i]);
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      pdcch_vars->num_dci++; // Is actually number of DCI PDUs
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      //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() pdcch_vars->num_dci:%d\n", __FUNCTION__, pdcch_vars->num_dci);
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    }
    else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE)
    {
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      nfapi_dl_config_bch_pdu *bch_pdu = &dl_config_pdu_list[i].bch_pdu;
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      uint16_t pdu_index = bch_pdu->bch_pdu_rel8.pdu_index;
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      if (tx_request_pdu[sfn][sf][pdu_index] != NULL)
      {
        uint8_t *sdu = malloc(tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_length);
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        memcpy(sdu, tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_data, tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_length);

        //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() PDU:%d BCH: pdu_index:%u pdu_length:%d sdu_length:%d BCH_SDU:%x,%x,%x\n", __FUNCTION__, i, pdu_index, bch_pdu->bch_pdu_rel8.length, tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_length, sdu[0], sdu[1], sdu[2]);
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        handle_nfapi_bch_pdu(eNB, proc, &dl_config_pdu_list[i], sdu);

        eNB->pbch_configured=1;
      }
      else
      {
        NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() BCH NULL TX PDU SFN/SF:%d PDU_INDEX:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), pdu_index); 
      }
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    }
    else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE)
    {
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      nfapi_dl_config_dlsch_pdu *dlsch_pdu = &dl_config_pdu_list[i].dlsch_pdu;
      nfapi_dl_config_dlsch_pdu_rel8_t *rel8_pdu = &dlsch_pdu->dlsch_pdu_rel8;
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      nfapi_tx_request_pdu_t *tx_pdu = tx_request_pdu[sfn][sf][rel8_pdu->pdu_index];
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      if (tx_pdu != NULL)
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      {
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        uint8_t *dlsch_sdu = malloc(tx_pdu->segments[0].segment_length);
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// **********************************************************************
// THIS IS CREATING AN INTENTIONAL LEAK - I think...
//
// nFAPI won't be managing dlsch_sdu
//
// not sure about the stack, but it does seem to allow it to stay up!!!
//
// I THINK I NEED TO FIX THIS - unless it IS getting freed by the stack
//
// **********************************************************************
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      memcpy(dlsch_sdu, tx_pdu->segments[0].segment_data, tx_pdu->segments[0].segment_length);
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      //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() DLSCH:pdu_index:%d handle_nfapi_dlsch_pdu(eNB, proc_rxtx, dlsch_pdu, transport_blocks:%d sdu:%p) eNB->pdcch_vars[proc->subframe_tx & 1].num_pdcch_symbols:%d\n", __FUNCTION__, rel8_pdu->pdu_index, rel8_pdu->transport_blocks, dlsch_sdu, eNB->pdcch_vars[proc->subframe_tx & 1].num_pdcch_symbols);
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      handle_nfapi_dlsch_pdu(
          eNB,
          &eNB->proc.proc_rxtx[0],
          &dl_config_pdu_list[i],
          rel8_pdu->transport_blocks-1,
          dlsch_sdu);
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      }
      else
      {
        NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() DLSCH NULL TX PDU SFN/SF:%d PDU_INDEX:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), rel8_pdu->pdu_index);
      }
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    }
    else
    {
      NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() UNKNOWN:%d\n", __FUNCTION__, dl_config_pdu_list[i].pdu_type);
    }
  }

  if(req->vendor_extension)
    free(req->vendor_extension);
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  return 0;
}

int  pnf_phy_tx_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req)
{
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  uint16_t sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t sf = NFAPI_SFNSF2SF(req->sfn_sf);
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  if (req->tx_request_body.number_of_pdus==0)
    LOG_D(PHY,"%s() SFN/SF:%d%d PDUs:%d\n", __FUNCTION__, sfn, sf, req->tx_request_body.number_of_pdus);
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  if (req->tx_request_body.tl.tag==NFAPI_TX_REQUEST_BODY_TAG)
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  {
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    for (int i=0; i<req->tx_request_body.number_of_pdus; i++)
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    {
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      LOG_D(PHY,"%s() SFN/SF:%d%d number_of_pdus:%d [PDU:%d] pdu_length:%d pdu_index:%d num_segments:%d\n",
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          __FUNCTION__,
          sfn, sf,
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          req->tx_request_body.number_of_pdus,
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          i,
          req->tx_request_body.tx_pdu_list[i].pdu_length,
          req->tx_request_body.tx_pdu_list[i].pdu_index,
          req->tx_request_body.tx_pdu_list[i].num_segments
          );

      tx_request_pdu[sfn][sf][i] = &req->tx_request_body.tx_pdu_list[i];
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    }
  }
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  return 0;
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}

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int pnf_phy_ul_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req)
{
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  if (0)LOG_D(PHY,"[PNF] UL_CONFIG_REQ %s() sfn_sf:%d pdu:%d rach_prach_frequency_resources:%d srs_present:%u\n", 
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      __FUNCTION__,
      NFAPI_SFNSF2DEC(req->sfn_sf), 
      req->ul_config_request_body.number_of_pdus,
      req->ul_config_request_body.rach_prach_frequency_resources,
      req->ul_config_request_body.srs_present
      );

  if (RC.ru == 0)
  {
    return -1;
  }

  if (RC.eNB == 0)
  {
    return -2;
  }

  if (RC.eNB[0][0] == 0)
  {
    return -3;
  }

  if (sync_var != 0)
  { 
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() Main system not up - is this a dummy subframe?\n", __FUNCTION__);
    return -4;
  }

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  uint16_t curr_sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t curr_sf = NFAPI_SFNSF2SF(req->sfn_sf);
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  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  eNB_rxtx_proc_t *proc = &eNB->proc.proc_rxtx[0];
  nfapi_ul_config_request_pdu_t* ul_config_pdu_list = req->ul_config_request_body.ul_config_pdu_list;

  for (int i=0;i<req->ul_config_request_body.number_of_pdus;i++)
  {
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    //LOG_D(PHY, "%s() sfn/sf:%d PDU[%d] size:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), i, ul_config_pdu_list[i].pdu_size);
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    if (
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_UCI_SR_PDU_TYPE ||
        ul_config_pdu_list[i].pdu_type == NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE
       )
    {
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      //LOG_D(PHY, "%s() handle_nfapi_ul_pdu() for PDU:%d\n", __FUNCTION__, i);
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      handle_nfapi_ul_pdu(eNB,proc,&ul_config_pdu_list[i],curr_sfn,curr_sf,req->ul_config_request_body.srs_present);
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    }
    else
    {
      NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() PDU:%i UNKNOWN type :%d\n", __FUNCTION__, i, ul_config_pdu_list[i].pdu_type);
    }
  }

  return 0;
}

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int pnf_phy_lbt_dl_config_req(nfapi_pnf_p7_config_t* config, nfapi_lbt_dl_config_request_t* req)
{
  //printf("[PNF] lbt dl config request\n");
  return 0;
}

int pnf_phy_vendor_ext(nfapi_pnf_p7_config_t* config, nfapi_p7_message_header_t* msg)
{
  if(msg->message_id == P7_VENDOR_EXT_REQ)
  {
    //vendor_ext_p7_req* req = (vendor_ext_p7_req*)msg;
    //printf("[PNF] vendor request (1:%d 2:%d)\n", req->dummy1, req->dummy2);
  }
  else
  {
    printf("[PNF] unknown vendor ext\n");
  }
  return 0;
}

int pnf_phy_pack_p7_vendor_extension(nfapi_p7_message_header_t* header, uint8_t** ppWritePackedMsg, uint8_t *end, nfapi_p7_codec_config_t* codex)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
  if(header->message_id == P7_VENDOR_EXT_IND)
  {
    vendor_ext_p7_ind* ind = (vendor_ext_p7_ind*)(header);
    if(!push16(ind->error_code, ppWritePackedMsg, end))
      return 0;

    return 1;
  }
  return -1;
}

int pnf_phy_unpack_p7_vendor_extension(nfapi_p7_message_header_t* header, uint8_t** ppReadPackedMessage, uint8_t *end, nfapi_p7_codec_config_t* codec)
{
  if(header->message_id == P7_VENDOR_EXT_REQ)
  {
    //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
    vendor_ext_p7_req* req = (vendor_ext_p7_req*)(header);
    if(!(pull16(ppReadPackedMessage, &req->dummy1, end) &&
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          pull16(ppReadPackedMessage, &req->dummy2, end)))
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      return 0;
    return 1;
  }
  return -1;
}

int pnf_phy_unpack_vendor_extension_tlv(nfapi_tl_t* tl, uint8_t **ppReadPackedMessage, uint8_t* end, void** ve, nfapi_p7_codec_config_t* config)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "pnf_phy_unpack_vendor_extension_tlv\n");

  switch(tl->tag)
  {
    case VENDOR_EXT_TLV_1_TAG:
      *ve = malloc(sizeof(vendor_ext_tlv_1));
      if(!pull32(ppReadPackedMessage, &((vendor_ext_tlv_1*)(*ve))->dummy, end))
	return 0;

      return 1;
      break;
  }

  return -1;
}

int pnf_phy_pack_vendor_extention_tlv(void* ve, uint8_t **ppWritePackedMsg, uint8_t* end, nfapi_p7_codec_config_t* config)
{
  //printf("%s\n", __FUNCTION__);
  (void)ve;
  (void)ppWritePackedMsg;
  return -1;
}

int pnf_sim_unpack_vendor_extension_tlv(nfapi_tl_t* tl, uint8_t **ppReadPackedMessage, uint8_t *end, void** ve, nfapi_p4_p5_codec_config_t* config)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "pnf_sim_unpack_vendor_extension_tlv\n");

  switch(tl->tag)
  {
    case VENDOR_EXT_TLV_2_TAG:
      *ve = malloc(sizeof(vendor_ext_tlv_2));
      if(!pull32(ppReadPackedMessage, &((vendor_ext_tlv_2*)(*ve))->dummy, end))
	return 0;

      return 1;
      break;
  }

  return -1;
}

int pnf_sim_pack_vendor_extention_tlv(void* ve, uint8_t **ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* config)
{
  //printf("%s\n", __FUNCTION__);
  (void)ve;
  (void)ppWritePackedMsg;
  return -1;
}

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nfapi_dl_config_request_t dummy_dl_config_req;
nfapi_tx_request_t dummy_tx_req;

nfapi_pnf_p7_subframe_buffer_t dummy_subframe;

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int start_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_start_request_t* req)
{
  printf("[PNF] Received NFAPI_START_REQ phy_id:%d\n", req->header.phy_id);

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  nfapi_set_trace_level(NFAPI_TRACE_INFO);

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  pnf_info* pnf = (pnf_info*)(config->user_data);

#if 0
  //DJP
  auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
      { return item.id == req->header.phy_id; });

  if(found != pnf->phys.end())
#endif
  {
    //DJP phy_info& phy_info = (*found);
    phy_info* phy_info = pnf->phys;

    nfapi_pnf_p7_config_t* p7_config = nfapi_pnf_p7_config_create();

    p7_config->phy_id = phy->phy_id;

    p7_config->remote_p7_port = phy_info->remote_port;
    p7_config->remote_p7_addr = phy_info->remote_addr;
    p7_config->local_p7_port = 32123; // DJP - good grief cannot seem to get the right answer phy_info->local_port;
    //DJP p7_config->local_p7_addr = (char*)phy_info->local_addr.c_str();
    p7_config->local_p7_addr = phy_info->local_addr;

    printf("[PNF] P7 remote:%s:%d local:%s:%d\n", p7_config->remote_p7_addr, p7_config->remote_p7_port, p7_config->local_p7_addr, p7_config->local_p7_port);

    p7_config->user_data = phy_info;

    p7_config->malloc = &pnf_allocate;
    p7_config->free = &pnf_deallocate;
    p7_config->codec_config.allocate = &pnf_allocate;
    p7_config->codec_config.deallocate = &pnf_deallocate;

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    p7_config->trace = &pnf_nfapi_trace;
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    phy->user_data = p7_config;

    p7_config->subframe_buffer_size = phy_info->timing_window;
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    printf("subframe_buffer_size configured using phy_info->timing_window:%d\n", phy_info->timing_window);
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    if(phy_info->timing_info_mode & 0x1)
    {
      p7_config->timing_info_mode_periodic = 1;
      p7_config->timing_info_period = phy_info->timing_info_period;
    }

    if(phy_info->timing_info_mode & 0x2)
    {
      p7_config->timing_info_mode_aperiodic = 1;
    }

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    if (nfapi_mode==3) {
    	p7_config->dl_config_req = &memcpy_dl_config_req;
    	p7_config->ul_config_req = &memcpy_ul_config_req;
    	p7_config->hi_dci0_req = &memcpy_hi_dci0_req;
    	p7_config->tx_req = &memcpy_tx_req;
    }
    else {
    	p7_config->dl_config_req = &pnf_phy_dl_config_req;
    	p7_config->ul_config_req = &pnf_phy_ul_config_req;
    	p7_config->hi_dci0_req = &pnf_phy_hi_dci0_req;
    	p7_config->tx_req = &pnf_phy_tx_req;
    }
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    p7_config->lbt_dl_config_req = &pnf_phy_lbt_dl_config_req;

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    memset(&dummy_dl_config_req, 0, sizeof(dummy_dl_config_req));
    dummy_dl_config_req.dl_config_request_body.tl.tag=NFAPI_DL_CONFIG_REQUEST_BODY_TAG;
    dummy_dl_config_req.dl_config_request_body.number_pdcch_ofdm_symbols=1;
    dummy_dl_config_req.dl_config_request_body.number_dci=0;
    dummy_dl_config_req.dl_config_request_body.number_pdu=0;
    dummy_dl_config_req.dl_config_request_body.number_pdsch_rnti=0;
    dummy_dl_config_req.dl_config_request_body.transmission_power_pcfich=6000;
    dummy_dl_config_req.dl_config_request_body.dl_config_pdu_list=0;

    memset(&dummy_tx_req, 0, sizeof(dummy_tx_req));
    dummy_tx_req.tx_request_body.number_of_pdus=0;
    dummy_tx_req.tx_request_body.tl.tag=NFAPI_TX_REQUEST_BODY_TAG;

    dummy_subframe.dl_config_req = &dummy_dl_config_req;
    dummy_subframe.tx_req = 0;//&dummy_tx_req;

    dummy_subframe.ul_config_req=0;
    dummy_subframe.hi_dci0_req=0;
    dummy_subframe.lbt_dl_config_req=0;

    p7_config->dummy_subframe = dummy_subframe;

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    p7_config->vendor_ext = &pnf_phy_vendor_ext;

    p7_config->allocate_p7_vendor_ext = &pnf_phy_allocate_p7_vendor_ext;
    p7_config->deallocate_p7_vendor_ext = &pnf_phy_deallocate_p7_vendor_ext;

    p7_config->codec_config.unpack_p7_vendor_extension = &pnf_phy_unpack_p7_vendor_extension;
    p7_config->codec_config.pack_p7_vendor_extension = &pnf_phy_pack_p7_vendor_extension;
    p7_config->codec_config.unpack_vendor_extension_tlv = &pnf_phy_unpack_vendor_extension_tlv;
    p7_config->codec_config.pack_vendor_extension_tlv = &pnf_phy_pack_vendor_extention_tlv;

    NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Creating P7 thread %s\n", __FUNCTION__);
    pthread_t p7_thread;
    pthread_create(&p7_thread, NULL, &pnf_p7_thread_start, p7_config);

    //((pnf_phy_user_data_t*)(phy_info->fapi->user_data))->p7_config = p7_config;

    NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Calling l1_north_init_eNB() %s\n", __FUNCTION__);
    l1_north_init_eNB();

    NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] DJP - HACK - Set p7_config global ready for subframe ind%s\n", __FUNCTION__);
    p7_config_g = p7_config;

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    // Need to wait for main thread to create RU structures
    while(config_sync_var<0)
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    {
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      usleep(5000000);
      printf("[PNF] waiting for OAI to be configured (eNB/RU)\n");
    }
    printf("[PNF] OAI eNB/RU configured\n");

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    //printf("[PNF] About to call phy_init_RU() for RC.ru[0]:%p\n", RC.ru[0]);
    //phy_init_RU(RC.ru[0]);
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    printf("[PNF] About to call init_eNB_afterRU()\n");
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    // Panos: Instead
    /*if (nfapi_mode == 3) {
    	init_UE_stub(1,0,uecap_xer_in);
    }*/
    //else{
    if (nfapi_mode != 3) {
    	// Panos
    	init_eNB_afterRU();
    }
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    // Signal to main thread that it can carry on - otherwise RU will startup too quickly and it is not initialised
    {
      pthread_mutex_lock(&nfapi_sync_mutex);
      nfapi_sync_var=0;
      pthread_cond_broadcast(&nfapi_sync_cond);
      pthread_mutex_unlock(&nfapi_sync_mutex);
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    }

    while(sync_var<0)
    {
      usleep(5000000);
      printf("[PNF] waiting for OAI to be started\n");
    }

    printf("[PNF] Sending PNF_START_RESP\n");
    nfapi_send_pnf_start_resp(config, p7_config->phy_id);

    printf("[PNF] Sending first P7 subframe ind\n");
    nfapi_pnf_p7_subframe_ind(p7_config, p7_config->phy_id, 0); // DJP - SFN_SF set to zero - correct???
1444
    printf("[PNF] Sent first P7 subframe ind\n");
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