nfapi_pnf.c 62.4 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"
//#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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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;

extern void init_eNB_afterRU(void);
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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;

627 628
  pnf_info* pnf = (pnf_info*)(config->user_data);

629 630 631 632 633 634 635
  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;

636
  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;
683 684
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701

#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;
702
    printf("Phy_info:Timing window:%u NFAPI_CONFIG:timing_window:%u\n", phy_info->timing_window, req->nfapi_config.timing_window.value);
703 704 705 706 707
    num_tlv++;
  }

  if(req->nfapi_config.timing_info_mode.tl.tag == NFAPI_NFAPI_TIMING_INFO_MODE_TAG)
  {
708
    printf("timing info mode:%d\n", req->nfapi_config.timing_info_mode.value);
709 710 711 712 713 714 715 716 717 718 719
    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)
  {
720
    printf("timing info period provided value:%d\n", req->nfapi_config.timing_info_period.value);
721 722 723 724 725 726 727 728 729 730 731
    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;
732
    fp->N_RB_DL = req->rf_config.dl_channel_bandwidth.value;
733
    num_tlv++;
734
    NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG N_RB_DL:%u\n", __FUNCTION__, fp->N_RB_DL);
735 736 737 738 739 740 741 742 743
  }
  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;
744
    fp->N_RB_UL = req->rf_config.ul_channel_bandwidth.value;
745 746 747 748 749 750
    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];
751
    fp->eutra_band = req->nfapi_config.rf_bands.rf_band[0];
752 753 754 755 756
    num_tlv++;
  }

  if(req->nfapi_config.earfcn.tl.tag == NFAPI_NFAPI_EARFCN_TAG)
  {
757 758
    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);
759 760 761
    num_tlv++;

    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() earfcn:%u dl_carrierFreq:%u ul_CarrierFreq:%u band:%u N_RB_DL:%u\n", 
762
        __FUNCTION__, req->nfapi_config.earfcn.value, fp->dl_CarrierFreq, fp->ul_CarrierFreq, pnf->rfs[0].band, fp->N_RB_DL);
763 764 765 766
  }

  if (req->subframe_config.duplex_mode.tl.tag == NFAPI_SUBFRAME_CONFIG_DUPLEX_MODE_TAG)
  {
767
    fp->frame_type = req->subframe_config.duplex_mode.value==0 ? TDD : FDD;
768
    num_tlv++;
769
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() frame_type:%d\n", __FUNCTION__, fp->frame_type);
770 771 772
  }
  if (req->subframe_config.dl_cyclic_prefix_type.tl.tag == NFAPI_SUBFRAME_CONFIG_DL_CYCLIC_PREFIX_TYPE_TAG)
  {
773
    fp->Ncp = req->subframe_config.dl_cyclic_prefix_type.value;
774 775 776 777 778
    num_tlv++;
  }

  if (req->subframe_config.ul_cyclic_prefix_type.tl.tag == NFAPI_SUBFRAME_CONFIG_UL_CYCLIC_PREFIX_TYPE_TAG)
  {
779
    fp->Ncp_UL = req->subframe_config.ul_cyclic_prefix_type.value;
780 781 782
    num_tlv++;
  }

783
  fp->num_MBSFN_config = 0; // DJP - hard code alert
784 785 786

  if (req->sch_config.physical_cell_id.tl.tag == NFAPI_SCH_CONFIG_PHYSICAL_CELL_ID_TAG)
  {
787 788
    fp->Nid_cell = req->sch_config.physical_cell_id.value;
    fp->nushift = fp->Nid_cell%6;
789 790 791 792 793
    num_tlv++;
  }

  if (req->rf_config.tx_antenna_ports.tl.tag == NFAPI_RF_CONFIG_TX_ANTENNA_PORTS_TAG)
  {
794 795
    fp->nb_antennas_tx = req->rf_config.tx_antenna_ports.value;
    fp->nb_antenna_ports_eNB = 1;
796 797 798 799 800
    num_tlv++;
  }

  if (req->rf_config.rx_antenna_ports.tl.tag == NFAPI_RF_CONFIG_RX_ANTENNA_PORTS_TAG)
  {
801
    fp->nb_antennas_rx = req->rf_config.rx_antenna_ports.value;
802 803 804 805 806
    num_tlv++;
  }

  if (req->phich_config.phich_resource.tl.tag == NFAPI_PHICH_CONFIG_PHICH_RESOURCE_TAG)
  {
807
    fp->phich_config_common.phich_resource = req->phich_config.phich_resource.value;
808 809 810 811 812
    num_tlv++;
  }

  if (req->phich_config.phich_duration.tl.tag == NFAPI_PHICH_CONFIG_PHICH_DURATION_TAG)
  {
813
    fp->phich_config_common.phich_duration = req->phich_config.phich_duration.value;
814 815 816 817 818 819
    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);
820
    //fp->phich_config_common.phich_power_offset = req->phich_config.
821 822 823 824 825 826
    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)
  {
827
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = req->uplink_reference_signal_config.cyclic_shift_1_for_drms.value;
828 829 830 831 832
    num_tlv++;
  }

  if (req->uplink_reference_signal_config.uplink_rs_hopping.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_UPLINK_RS_HOPPING_TAG)
  {
833
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = req->uplink_reference_signal_config.uplink_rs_hopping.value;
834 835 836 837 838
    num_tlv++;
  }

  if (req->uplink_reference_signal_config.group_assignment.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_GROUP_ASSIGNMENT_TAG)
  {
839
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = req->uplink_reference_signal_config.group_assignment.value;
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    num_tlv++;
  }

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

845
  fp->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0; // DJP - not being handled
846 847 848

  if (req->prach_config.configuration_index.tl.tag == NFAPI_PRACH_CONFIG_CONFIGURATION_INDEX_TAG)
  {
849
    fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=req->prach_config.configuration_index.value;
850 851 852 853 854
    num_tlv++;
  }

  if (req->prach_config.root_sequence_index.tl.tag == NFAPI_PRACH_CONFIG_ROOT_SEQUENCE_INDEX_TAG)
  {
855
    fp->prach_config_common.rootSequenceIndex=req->prach_config.root_sequence_index.value;
856 857 858 859 860
    num_tlv++;
  }

  if (req->prach_config.zero_correlation_zone_configuration.tl.tag == NFAPI_PRACH_CONFIG_ZERO_CORRELATION_ZONE_CONFIGURATION_TAG)
  {
861
    fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=req->prach_config.zero_correlation_zone_configuration.value;
862 863 864 865 866
    num_tlv++;
  }

  if (req->prach_config.high_speed_flag.tl.tag == NFAPI_PRACH_CONFIG_HIGH_SPEED_FLAG_TAG)
  {
867
    fp->prach_config_common.prach_ConfigInfo.highSpeedFlag=req->prach_config.high_speed_flag.value;
868 869 870 871 872
    num_tlv++;
  }

  if (req->prach_config.frequency_offset.tl.tag == NFAPI_PRACH_CONFIG_FREQUENCY_OFFSET_TAG)
  {
873
    fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset=req->prach_config.frequency_offset.value;
874 875 876 877 878 879 880 881 882 883 884 885 886
    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);

887
  dump_frame_parms(fp);
888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924

  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);
}

925 926
int pnf_phy_hi_dci0_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t* req)
{
927
  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);
928

929 930
  //phy_info* phy = (phy_info*)(pnf_p7->user_data);

931 932
  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
  eNB_rxtx_proc_t *proc = &eNB->proc.proc_rxtx[0];
933

934
  for (int i=0; i<req->hi_dci0_request_body.number_of_dci + req->hi_dci0_request_body.number_of_hi; i++)
935
  {
936
    //LOG_D(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d]\n", NFAPI_SFNSF2DEC(req->sfn_sf), i);
937

938
    if (req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type == NFAPI_HI_DCI0_DCI_PDU_TYPE)
939
    {
940
      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);
941

942 943 944 945 946
      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++;
947
    }
948 949 950
    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);
951

952
      nfapi_hi_dci0_request_pdu_t *hi_dci0_req_pdu = &req->hi_dci0_request_body.hi_dci0_pdu_list[i];
953

954
      handle_nfapi_hi_dci0_hi_pdu(eNB, proc, hi_dci0_req_pdu);
955
    }
956 957 958 959
    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);
    }
960 961
  }

962 963
  return 0;
}
964

965 966
int pnf_phy_dl_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req)
{
967
  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);
968 969 970 971 972 973 974 975 976 977 978 979 980 981 982 983

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

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

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

984 985 986 987
  if (sync_var != 0)
  { 
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() Main system not up - is this a dummy subframe?\n", __FUNCTION__);
    return -4;
988 989
  }

990
  int sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
991
  int sf = NFAPI_SFNSF2SF(req->sfn_sf);
992

993 994 995
  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;
996 997 998 999
  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;
1000

1001
  //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);
1002

1003
  for (int i=0;i<req->dl_config_request_body.number_pdu;i++)
1004
  {
1005
    //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);
1006

1007 1008 1009
    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]);
1010

1011
      pdcch_vars->num_dci++; // Is actually number of DCI PDUs
1012 1013

      //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() pdcch_vars->num_dci:%d\n", __FUNCTION__, pdcch_vars->num_dci);
1014 1015 1016
    }
    else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE)
    {
1017
      nfapi_dl_config_bch_pdu *bch_pdu = &dl_config_pdu_list[i].bch_pdu;
1018
      uint16_t pdu_index = bch_pdu->bch_pdu_rel8.pdu_index;
1019

1020 1021 1022
      if (tx_request_pdu[sfn][sf][pdu_index] != NULL)
      {
        uint8_t *sdu = malloc(tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_length);
1023

1024 1025 1026
        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]);
1027

1028 1029 1030 1031 1032 1033 1034 1035
        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); 
      }
1036 1037 1038
    }
    else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE)
    {
1039 1040
      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;
1041
      nfapi_tx_request_pdu_t *tx_pdu = tx_request_pdu[sfn][sf][rel8_pdu->pdu_index];
1042

1043
      if (tx_pdu != NULL)
1044
      {
1045
        uint8_t *dlsch_sdu = malloc(tx_pdu->segments[0].segment_length);
1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056

// **********************************************************************
// 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
//
// **********************************************************************
1057
      memcpy(dlsch_sdu, tx_pdu->segments[0].segment_data, tx_pdu->segments[0].segment_length);
1058

1059
      //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);
1060

1061 1062 1063 1064 1065 1066
      handle_nfapi_dlsch_pdu(
          eNB,
          &eNB->proc.proc_rxtx[0],
          &dl_config_pdu_list[i],
          rel8_pdu->transport_blocks-1,
          dlsch_sdu);
1067 1068 1069 1070 1071
      }
      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);
      }
1072 1073 1074 1075 1076 1077 1078 1079 1080
    }
    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);
1081 1082 1083 1084 1085 1086

  return 0;
}

int  pnf_phy_tx_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req)
{
1087 1088
  uint16_t sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t sf = NFAPI_SFNSF2SF(req->sfn_sf);
1089

1090 1091
  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);
1092

1093
  if (req->tx_request_body.tl.tag==NFAPI_TX_REQUEST_BODY_TAG)
1094
  {
1095
    for (int i=0; i<req->tx_request_body.number_of_pdus; i++)
1096
    {
1097
      LOG_D(PHY,"%s() SFN/SF:%d%d number_of_pdus:%d [PDU:%d] pdu_length:%d pdu_index:%d num_segments:%d\n",
1098 1099
          __FUNCTION__,
          sfn, sf,
1100
          req->tx_request_body.number_of_pdus,
1101 1102 1103 1104 1105 1106 1107
          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];
1108 1109
    }
  }
1110 1111

  return 0;
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
int pnf_phy_ul_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req)
{
  LOG_D(PHY,"[PNF] UL_CONFIG_REQ %s() sfn_sf:%d pdu:%d rach_prach_frequency_resources:%d srs_present:%u\n", 
      __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;
  }

1145 1146
  uint16_t curr_sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t curr_sf = NFAPI_SFNSF2SF(req->sfn_sf);
1147 1148 1149 1150 1151 1152 1153

  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++)
  {
1154
    //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);
1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165

    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
       )
    {
1166
      //LOG_D(PHY, "%s() handle_nfapi_ul_pdu() for PDU:%d\n", __FUNCTION__, i);
1167

1168
      handle_nfapi_ul_pdu(eNB,proc,&ul_config_pdu_list[i],curr_sfn,curr_sf,req->ul_config_request_body.srs_present);
1169 1170 1171 1172 1173 1174 1175 1176 1177 1178
    }
    else
    {
      NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() PDU:%i UNKNOWN type :%d\n", __FUNCTION__, i, ul_config_pdu_list[i].pdu_type);
    }
  }

  return 0;
}

1179 1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219
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) &&
1220
          pull16(ppReadPackedMessage, &req->dummy2, end)))
1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231 1232 1233 1234 1235 1236 1237 1238 1239 1240 1241 1242 1243 1244 1245 1246 1247 1248 1249 1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265 1266 1267 1268 1269 1270 1271 1272 1273 1274 1275 1276 1277 1278
      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;
}

1279 1280 1281 1282 1283
nfapi_dl_config_request_t dummy_dl_config_req;
nfapi_tx_request_t dummy_tx_req;

nfapi_pnf_p7_subframe_buffer_t dummy_subframe;

1284 1285 1286 1287
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);

1288 1289
  nfapi_set_trace_level(NFAPI_TRACE_INFO);

1290 1291 1292 1293 1294 1295 1296 1297 1298 1299 1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 1319 1320 1321
  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;

1322
    p7_config->trace = &pnf_nfapi_trace;
1323 1324 1325 1326

    phy->user_data = p7_config;

    p7_config->subframe_buffer_size = phy_info->timing_window;
1327
    printf("subframe_buffer_size configured using phy_info->timing_window:%d\n", phy_info->timing_window);
1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344
    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;
    }

    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;
    p7_config->lbt_dl_config_req = &pnf_phy_lbt_dl_config_req;

1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366
    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;

1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388
    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;

1389 1390
    // Need to wait for main thread to create RU structures
    while(config_sync_var<0)
1391
    {
1392 1393 1394 1395 1396
      usleep(5000000);
      printf("[PNF] waiting for OAI to be configured (eNB/RU)\n");
    }
    printf("[PNF] OAI eNB/RU configured\n");

1397 1398
    //printf("[PNF] About to call phy_init_RU() for RC.ru[0]:%p\n", RC.ru[0]);
    //phy_init_RU(RC.ru[0]);
1399

1400
    printf("[PNF] About to call init_eNB_afterRU()\n");
1401 1402 1403 1404 1405 1406 1407 1408
    init_eNB_afterRU();

    // 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);
1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421
    }

    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???
1422
    printf("[PNF] Sent first P7 subframe ind\n");
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  }

  return 0;
}

int measurement_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_measurement_request_t* req)
{
  nfapi_measurement_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_MEASUREMENT_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_MSG_OK;
  nfapi_pnf_measurement_resp(config, &resp);
  return 0;
}

int rssi_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_rssi_request_t* req)
{
  nfapi_rssi_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_RSSI_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_rssi_resp(config, &resp);

  nfapi_rssi_indication_t ind;
  memset(&ind, 0, sizeof(ind));
  ind.header.message_id = NFAPI_RSSI_INDICATION;
  ind.header.phy_id = req->header.phy_id;
  ind.error_code = NFAPI_P4_MSG_OK;
  ind.rssi_indication_body.tl.tag = NFAPI_RSSI_INDICATION_TAG;
  ind.rssi_indication_body.number_of_rssi = 1;
  ind.rssi_indication_body.rssi[0] = -42;
  nfapi_pnf_rssi_ind(config, &ind);
  return 0;
}

int cell_search_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_cell_search_request_t* req)
{
  nfapi_cell_search_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_CELL_SEARCH_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_cell_search_resp(config, &resp);

  nfapi_cell_search_indication_t ind;
  memset(&ind, 0, sizeof(ind));
  ind.header.message_id = NFAPI_CELL_SEARCH_INDICATION;
  ind.header.phy_id = req->header.phy_id;
  ind.error_code = NFAPI_P4_MSG_OK;

  switch(req->rat_type)
  {
    case NFAPI_RAT_TYPE_LTE:
      {
        ind.lte_cell_search_indication.tl.tag = NFAPI_LTE_CELL_SEARCH_INDICATION_TAG;
        ind.lte_cell_search_indication.number_of_lte_cells_found = 1;
        ind.lte_cell_search_indication.lte_found_cells[0].pci = 123;
        ind.lte_cell_search_indication.lte_found_cells[0].rsrp = 123;
        ind.lte_cell_search_indication.lte_found_cells[0].rsrq = 123;
        ind.lte_cell_search_indication.lte_found_cells[0].frequency_offset = 123;
      }
      break;
    case NFAPI_RAT_TYPE_UTRAN:
      {
        ind.utran_cell_search_indication.tl.tag = NFAPI_UTRAN_CELL_SEARCH_INDICATION_TAG;
        ind.utran_cell_search_indication.number_of_utran_cells_found = 1;
        ind.utran_cell_search_indication.utran_found_cells[0].psc = 89;
        ind.utran_cell_search_indication.utran_found_cells[0].rscp = 89;
        ind.utran_cell_search_indication.utran_found_cells[0].ecno = 89;
        ind.utran_cell_search_indication.utran_found_cells[0].frequency_offset = -89;

      }
      break;
    case NFAPI_RAT_TYPE_GERAN:
      {
        ind.geran_cell_search_indication.tl.tag = NFAPI_GERAN_CELL_SEARCH_INDICATION_TAG;
        ind.geran_cell_search_indication.number_of_gsm_cells_found = 1;
        ind.geran_cell_search_indication.gsm_found_cells[0].bsic = 23;
        ind.geran_cell_search_indication.gsm_found_cells[0].rxlev = 23;
        ind.geran_cell_search_indication.gsm_found_cells[0].rxqual = 23;
        ind.geran_cell_search_indication.gsm_found_cells[0].frequency_offset = -23;
        ind.geran_cell_search_indication.gsm_found_cells[0].sfn_offset = 230;

      }
      break;
  }

  ind.pnf_cell_search_state.tl.tag = NFAPI_PNF_CELL_SEARCH_STATE_TAG;
  ind.pnf_cell_search_state.length = 3;

  nfapi_pnf_cell_search_ind(config, &ind);	

  return 0;
}

int broadcast_detect_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_broadcast_detect_request_t* req)
{
  nfapi_broadcast_detect_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_BROADCAST_DETECT_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_broadcast_detect_resp(config, &resp);

  nfapi_broadcast_detect_indication_t ind;
  memset(&ind, 0, sizeof(ind));
  ind.header.message_id = NFAPI_BROADCAST_DETECT_INDICATION;
  ind.header.phy_id = req->header.phy_id;
  ind.error_code = NFAPI_P4_MSG_OK;

  switch(req->rat_type)
  {
    case NFAPI_RAT_TYPE_LTE:
      {
        ind.lte_broadcast_detect_indication.tl.tag = NFAPI_LTE_BROADCAST_DETECT_INDICATION_TAG;
        ind.lte_broadcast_detect_indication.number_of_tx_antenna = 1;
        ind.lte_broadcast_detect_indication.mib_length = 4;
        //ind.lte_broadcast_detect_indication.mib...
        ind.lte_broadcast_detect_indication.sfn_offset = 77;

      }
      break;
    case NFAPI_RAT_TYPE_UTRAN:
      {
        ind.utran_broadcast_detect_indication.tl.tag = NFAPI_UTRAN_BROADCAST_DETECT_INDICATION_TAG;
        ind.utran_broadcast_detect_indication.mib_length = 4;
        //ind.utran_broadcast_detect_indication.mib...
        // ind.utran_broadcast_detect_indication.sfn_offset; DJP - nonsense line

      }
      break;
  }

  ind.pnf_cell_broadcast_state.tl.tag = NFAPI_PNF_CELL_BROADCAST_STATE_TAG;
  ind.pnf_cell_broadcast_state.length = 3;

  nfapi_pnf_broadcast_detect_ind(config, &ind);	

  return 0;
}

int system_information_schedule_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_system_information_schedule_request_t* req)
{
  nfapi_system_information_schedule_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_SYSTEM_INFORMATION_SCHEDULE_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_system_information_schedule_resp(config, &resp);

  nfapi_system_information_schedule_indication_t ind;
  memset(&ind, 0, sizeof(ind));
  ind.header.message_id = NFAPI_SYSTEM_INFORMATION_SCHEDULE_INDICATION;
  ind.header.phy_id = req->header.phy_id;
  ind.error_code = NFAPI_P4_MSG_OK;

  ind.lte_system_information_indication.tl.tag = NFAPI_LTE_SYSTEM_INFORMATION_INDICATION_TAG;
  ind.lte_system_information_indication.sib_type = 3;
  ind.lte_system_information_indication.sib_length = 5;
  //ind.lte_system_information_indication.sib...

  nfapi_pnf_system_information_schedule_ind(config, &ind);		

  return 0;
}

int system_information_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_system_information_request_t* req)
{
  nfapi_system_information_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_SYSTEM_INFORMATION_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_system_information_resp(config, &resp);

  nfapi_system_information_indication_t ind;
  memset(&ind, 0, sizeof(ind));
  ind.header.message_id = NFAPI_SYSTEM_INFORMATION_INDICATION;
  ind.header.phy_id = req->header.phy_id;
  ind.error_code = NFAPI_P4_MSG_OK;

  switch(req->rat_type)
  {
    case NFAPI_RAT_TYPE_LTE:
      {
        ind.lte_system_information_indication.tl.tag = NFAPI_LTE_SYSTEM_INFORMATION_INDICATION_TAG;
        ind.lte_system_information_indication.sib_type = 1;
        ind.lte_system_information_indication.sib_length = 3;
        //ind.lte_system_information_indication.sib...
      }
      break;
    case NFAPI_RAT_TYPE_UTRAN:
      {
        ind.utran_system_information_indication.tl.tag = NFAPI_UTRAN_SYSTEM_INFORMATION_INDICATION_TAG;
        ind.utran_system_information_indication.sib_length = 3;
        //ind.utran_system_information_indication.sib...

      }
      break;
    case NFAPI_RAT_TYPE_GERAN:
      {
        ind.geran_system_information_indication.tl.tag = NFAPI_GERAN_SYSTEM_INFORMATION_INDICATION_TAG;
        ind.geran_system_information_indication.si_length = 3;
        //ind.geran_system_information_indication.si...

      }
      break;
  }

  nfapi_pnf_system_information_ind(config, &ind);		

  return 0;
}

int nmm_stop_request(nfapi_pnf_config_t* config, nfapi_pnf_phy_config_t* phy, nfapi_nmm_stop_request_t* req)
{
  nfapi_nmm_stop_response_t resp;
  memset(&resp, 0, sizeof(resp));
  resp.header.message_id = NFAPI_NMM_STOP_RESPONSE;
  resp.header.phy_id = req->header.phy_id;
  resp.error_code = NFAPI_P4_MSG_OK;
  nfapi_pnf_nmm_stop_resp(config, &resp);
  return 0;
}

int vendor_ext(nfapi_pnf_config_t* config, nfapi_p4_p5_message_header_t* msg)
{
  NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] P5 %s %p\n", __FUNCTION__, msg);

  switch(msg->message_id)
  {
    case P5_VENDOR_EXT_REQ:
      {
        vendor_ext_p5_req* req = (vendor_ext_p5_req*)msg;
        NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] P5 Vendor Ext Req (%d %d)\n", req->dummy1, req->dummy2);
        // send back the P5_VENDOR_EXT_RSP
        vendor_ext_p5_rsp rsp;
        memset(&rsp, 0, sizeof(rsp));
        rsp.header.message_id = P5_VENDOR_EXT_RSP;
        rsp.error_code = NFAPI_MSG_OK;
        nfapi_pnf_vendor_extension(config, &rsp.header, sizeof(vendor_ext_p5_rsp));
      }
      break;
  }

  return 0;
}

nfapi_p4_p5_message_header_t* pnf_sim_allocate_p4_p5_vendor_ext(uint16_t message_id, uint16_t* msg_size)
{
  if(message_id == P5_VENDOR_EXT_REQ)
  {
    (*msg_size) = sizeof(vendor_ext_p5_req);
    return (nfapi_p4_p5_message_header_t*)malloc(sizeof(vendor_ext_p5_req));
  }

  return 0;
}

void pnf_sim_deallocate_p4_p5_vendor_ext(nfapi_p4_p5_message_header_t* header)
{
  free(header);
}

int pnf_sim_pack_p4_p5_vendor_extension(nfapi_p4_p5_message_header_t* header, uint8_t** ppWritePackedMsg, uint8_t *end, nfapi_p4_p5_codec_config_t* config)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
  if(header->message_id == P5_VENDOR_EXT_RSP)
  {
    vendor_ext_p5_rsp* rsp = (vendor_ext_p5_rsp*)(header);
    return (!push16(rsp->error_code, ppWritePackedMsg, end));
  }
  return 0;
}

int pnf_sim_unpack_p4_p5_vendor_extension(nfapi_p4_p5_message_header_t* header, uint8_t** ppReadPackedMessage, uint8_t *end, nfapi_p4_p5_codec_config_t* codec)
{
  //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s\n", __FUNCTION__);
  if(header->message_id == P5_VENDOR_EXT_REQ)
  {
    vendor_ext_p5_req* req = (vendor_ext_p5_req*)(header);
    return (!(pull16(ppReadPackedMessage, &req->dummy1, end) &&
          pull16(ppReadPackedMessage, &req->dummy2, end)));

    //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s (%d %d)\n", __FUNCTION__, req->dummy1, req->dummy2);
  }
  return 0;
}

/*------------------------------------------------------------------------------*/

void* pnf_start_thread(void* ptr)
{
  NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] IN PNF NFAPI start thread %s\n", __FUNCTION__);

  nfapi_pnf_config_t *config = (nfapi_pnf_config_t*)ptr;

  nfapi_pnf_start(config);

  return (void*)0;
}

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void configure_nfapi_pnf(char *vnf_ip_addr, int vnf_p5_port, char *pnf_ip_addr, int pnf_p7_port, int vnf_p7_port)
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{
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  nfapi_mode = 1;  // PNF!
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  nfapi_pnf_config_t* config = nfapi_pnf_config_create();

  config->vnf_ip_addr = vnf_ip_addr;
  config->vnf_p5_port = vnf_p5_port;

  pnf.phys[0].udp.enabled = 1;
  pnf.phys[0].udp.rx_port = pnf_p7_port;
  pnf.phys[0].udp.tx_port = vnf_p7_port;
  strcpy(pnf.phys[0].udp.tx_addr, vnf_ip_addr);

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  strcpy(pnf.phys[0].local_addr, pnf_ip_addr);

  printf("%s() VNF:%s:%d PNF_PHY[addr:%s UDP:tx_addr:%s:%d rx:%d]\n", 
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      __FUNCTION__, 
      config->vnf_ip_addr, config->vnf_p5_port, 
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      pnf.phys[0].local_addr,
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      pnf.phys[0].udp.tx_addr, pnf.phys[0].udp.tx_port,
      pnf.phys[0].udp.rx_port);

  config->pnf_param_req = &pnf_param_request;
  config->pnf_config_req = &pnf_config_request;
  config->pnf_start_req = &pnf_start_request;
  config->pnf_stop_req = &pnf_stop_request;
  config->param_req = &param_request;
  config->config_req = &config_request;
  config->start_req = &start_request;

  config->measurement_req = &measurement_request;
  config->rssi_req = &rssi_request;
  config->cell_search_req = &cell_search_request;
  config->broadcast_detect_req = &broadcast_detect_request;
  config->system_information_schedule_req = &system_information_schedule_request;
  config->system_information_req = &system_information_request;
  config->nmm_stop_req = &nmm_stop_request;

  config->vendor_ext = &vendor_ext;

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  config->trace = &pnf_nfapi_trace;
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  config->user_data = &pnf;

  // To allow custom vendor extentions to be added to nfapi
  config->codec_config.unpack_vendor_extension_tlv = &pnf_sim_unpack_vendor_extension_tlv;
  config->codec_config.pack_vendor_extension_tlv = &pnf_sim_pack_vendor_extention_tlv;

  config->allocate_p4_p5_vendor_ext = &pnf_sim_allocate_p4_p5_vendor_ext;
  config->deallocate_p4_p5_vendor_ext = &pnf_sim_deallocate_p4_p5_vendor_ext;

  config->codec_config.unpack_p4_p5_vendor_extension = &pnf_sim_unpack_p4_p5_vendor_extension;
  config->codec_config.pack_p4_p5_vendor_extension = &pnf_sim_pack_p4_p5_vendor_extension;

  NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Creating PNF NFAPI start thread %s\n", __FUNCTION__);
  pthread_create(&pnf_start_pthread, NULL, &pnf_start_thread, config);
}

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void oai_subframe_ind(uint16_t sfn, uint16_t sf)
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{
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  //LOG_D(PHY,"%s(sfn:%d, sf:%d)\n", __FUNCTION__, sfn, sf);
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  //TODO FIXME - HACK - DJP - using a global to bodge it in 

  if (p7_config_g != NULL && sync_var==0)
  {
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    uint16_t sfn_sf_tx = sfn<<4 | sf;

    if ((sfn % 100 == 0) && sf==0)
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    {
      struct timespec ts;

      clock_gettime(CLOCK_MONOTONIC, &ts);

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      NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] %s %d.%d (sfn:%u sf:%u) SFN/SF(TX):%u\n", __FUNCTION__, ts.tv_sec, ts.tv_nsec, sfn, sf, NFAPI_SFNSF2DEC(sfn_sf_tx));
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    }

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    int subframe_ret = nfapi_pnf_p7_subframe_ind(p7_config_g, p7_config_g->phy_id, sfn_sf_tx);
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    if (subframe_ret)
    {
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      NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] %s(frame:%u subframe:%u) SFN/SF(TX):%u - PROBLEM with pnf_p7_subframe_ind()\n", __FUNCTION__, sfn, sf, sfn_sf_tx, NFAPI_SFNSF2DEC(sfn_sf_tx));
    }
    else
    {
      //NFAPI_TRACE(NFAPI_TRACE_INFO, "***NFAPI subframe handler finished *** \n");
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    }
  }
  else
  {
  }
}
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int oai_nfapi_rach_ind(nfapi_rach_indication_t *rach_ind)
{
  rach_ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!

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  LOG_E(PHY, "%s() sfn_sf:%d preambles:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(rach_ind->sfn_sf), rach_ind->rach_indication_body.number_of_preambles);
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  return nfapi_pnf_p7_rach_ind(p7_config_g, rach_ind);
}
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int oai_nfapi_harq_indication(nfapi_harq_indication_t *harq_ind)
{
  harq_ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
  harq_ind->header.message_id = NFAPI_HARQ_INDICATION;

  LOG_E(PHY, "%s() sfn_sf:%d number_of_harqs:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(harq_ind->sfn_sf), harq_ind->harq_indication_body.number_of_harqs);

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  int retval = nfapi_pnf_p7_harq_ind(p7_config_g, harq_ind);
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  if (retval != 0) LOG_E(PHY, "%s() sfn_sf:%d number_of_harqs:%d nfapi_pnf_p7_harq_ind()=%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(harq_ind->sfn_sf), harq_ind->harq_indication_body.number_of_harqs, retval);
  return retval;
}
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int oai_nfapi_crc_indication(nfapi_crc_indication_t *crc_ind)
{
  crc_ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
  crc_ind->header.message_id = NFAPI_CRC_INDICATION;

  LOG_E(PHY, "%s() sfn_sf:%d number_of_crcs:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(crc_ind->sfn_sf), crc_ind->crc_indication_body.number_of_crcs);

  return nfapi_pnf_p7_crc_ind(p7_config_g, crc_ind);
}

int oai_nfapi_cqi_indication(nfapi_cqi_indication_t *ind)
{
  ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
  ind->header.message_id = NFAPI_RX_CQI_INDICATION;

  LOG_E(PHY, "%s() sfn_sf:%d number_of_cqis:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->cqi_indication_body.number_of_cqis);

  return nfapi_pnf_p7_cqi_ind(p7_config_g, ind);
}

int oai_nfapi_rx_ind(nfapi_rx_indication_t *ind)
{
  ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!
  ind->header.message_id = NFAPI_RX_ULSCH_INDICATION;

  int retval = nfapi_pnf_p7_rx_ind(p7_config_g, ind);

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  LOG_D(PHY,"%s() SFN/SF:%d pdus:%d retval:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->rx_indication_body.number_of_pdus, retval);
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  //free(ind.rx_indication_body.rx_pdu_list);

  return retval;
}
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int oai_nfapi_sr_indication(nfapi_sr_indication_t *ind)
{
  ind->header.phy_id = 1; // DJP HACK TODO FIXME - need to pass this around!!!!

  int retval = nfapi_pnf_p7_sr_ind(p7_config_g, ind);

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1883
  LOG_E(PHY,"%s() SFN/SF:%d srs:%d retval:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(ind->sfn_sf), ind->sr_indication_body.number_of_srs, retval);
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  //free(ind.rx_indication_body.rx_pdu_list);

  return retval;
}