nfapi_pnf.c 60.8 KB
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/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */

#define _GNU_SOURCE

#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"
//#include "fapi_l1.h"
#include "UTIL/LOG/log.h"
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#include "openair2/LAYER2/MAC/mac_proto.h"
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#include "PHY/INIT/phy_init.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
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#define NUM_P5_PHY 2

#define _GNU_SOURCE

extern void phy_init_RU(RU_t*);
extern int config_sync_var;

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, int frame, int subframe, 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,int frame, int subframe, 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,int frame, int subframe, 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,int frame, int subframe, eNB_rxtx_proc_t *proc, nfapi_hi_dci0_request_pdu_t *hi_dci0_config_pdu);
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);

extern uint8_t  nfapi_mode;

nfapi_tx_request_pdu_t* tx_request_pdu[1023][10][10]; // [frame][subframe][max_num_pdus]

uint8_t tx_pdus[32][8][4096];


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) {
  return malloc(size);
}

void pnf_deallocate(void* ptr) {
  free(ptr);
}


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

typedef struct {
    uint16_t index;
    uint16_t id;
    uint8_t rfs[2];
    uint8_t excluded_rfs[2];

    udp_data udp;

    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;

} phy_info;

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;


typedef struct {

    int release;
    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;

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;

static pnf_info pnf;
static pthread_t pnf_start_pthread;

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, ...) {
  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_DEBUG;
  } else {
    oai_level = LOG_ERR;
  }

  va_start(args, message);
  nfapi_log("FILE>", "FUNC", 999, PHY, oai_level, message, args);
  va_end(args);
}

void pnf_set_thread_priority(int priority) {

  pthread_attr_t ptAttr;

  struct sched_param schedParam;
  schedParam.__sched_priority = priority;
  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;
  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;

  resp.pnf_phy.tl.tag = NFAPI_PNF_PHY_TAG;
  resp.pnf_phy.number_of_phys = 1;

  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;

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

    resp.pnf_phy.phy[i].number_of_rf_exclusions = 0;
    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;
  resp.pnf_rf.number_of_rfs = 2;

  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;
    resp.pnf_phy_rel10.number_of_phys = 1;

    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;
    resp.pnf_phy_rel11.number_of_phys = 1;

    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;
    resp.pnf_phy_rel12.number_of_phys = 1;

    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;
      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;
    resp.pnf_phy_rel13.number_of_phys = 1;

    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;
    resp.pnf_phy_rel13_nb_iot.number_of_phys = 1;

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

      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rfs = 1;
      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];
      }

      resp.pnf_phy_rel13_nb_iot.phy[i].number_of_rf_exclusions = 1;
      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);

  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);

  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
  phy_info* phy = pnf->phys;

  if(phy->id != 0) {
    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;

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

  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;

  pnf_p7_sockaddr.sin_addr.s_addr = inet_addr(pnf->phys[0].local_addr);
  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);

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

  return 0;
}

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;
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  //struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];

  // Panos: In the case of nfapi_mode = 3 (UE = PNF) we should not have dependency on any eNB var. So we aim
  // to keep only the necessary just to keep the nfapi FSM rolling by sending a dummy response.
  LTE_DL_FRAME_PARMS *fp;
  if (nfapi_mode!=3) {
	  struct PHY_VARS_eNB_s *eNB = RC.eNB[0][0];
	  fp = &eNB->frame_parms;
  }
  else{
	  fp = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
  }
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#if 0
  //DJP
  auto found = std::find_if(pnf->phys.begin(), pnf->phys.end(), [&](phy_info& item)
      { return item.id == req->header.phy_id; });
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  if(found != pnf->phys.end())
  {
    phy_info& phy_info = (*found);
  }
#endif
  //DJP 
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  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;
    printf("Phy_info:Timing window:%u NFAPI_CONFIG:timing_window:%u\n", phy_info->timing_window, req->nfapi_config.timing_window.value);
    num_tlv++;
  }

  if(req->nfapi_config.timing_info_mode.tl.tag == NFAPI_NFAPI_TIMING_INFO_MODE_TAG) {
    printf("timing info mode:%d\n", req->nfapi_config.timing_info_mode.value);
    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) {
    printf("timing info period provided value:%d\n", req->nfapi_config.timing_info_period.value);
    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;
    fp->N_RB_DL = req->rf_config.dl_channel_bandwidth.value;
    num_tlv++;
    NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG N_RB_DL:%u\n", __FUNCTION__, fp->N_RB_DL);
  } 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;
    fp->N_RB_UL = req->rf_config.ul_channel_bandwidth.value;
    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];
    fp->eutra_band = req->nfapi_config.rf_bands.rf_band[0];
    num_tlv++;
  }

  if(req->nfapi_config.earfcn.tl.tag == NFAPI_NFAPI_EARFCN_TAG) {
    fp->dl_CarrierFreq = from_earfcn(fp->eutra_band, req->nfapi_config.earfcn.value);
    fp->ul_CarrierFreq = fp->dl_CarrierFreq - (get_uldl_offset(fp->eutra_band) * 1e5);
    num_tlv++;

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

  if (req->subframe_config.duplex_mode.tl.tag == NFAPI_SUBFRAME_CONFIG_DUPLEX_MODE_TAG) {
    fp->frame_type = req->subframe_config.duplex_mode.value==0 ? TDD : FDD;
    num_tlv++;
    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() frame_type:%d\n", __FUNCTION__, fp->frame_type);
  }

  if (req->subframe_config.dl_cyclic_prefix_type.tl.tag == NFAPI_SUBFRAME_CONFIG_DL_CYCLIC_PREFIX_TYPE_TAG) {
    fp->Ncp = req->subframe_config.dl_cyclic_prefix_type.value;
    num_tlv++;
  }

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

  fp->num_MBSFN_config = 0; // DJP - hard code alert

  if (req->sch_config.physical_cell_id.tl.tag == NFAPI_SCH_CONFIG_PHYSICAL_CELL_ID_TAG) {
    fp->Nid_cell = req->sch_config.physical_cell_id.value;
    fp->nushift = fp->Nid_cell%6;
    num_tlv++;
  }

  if (req->rf_config.tx_antenna_ports.tl.tag == NFAPI_RF_CONFIG_TX_ANTENNA_PORTS_TAG) {
    fp->nb_antennas_tx = req->rf_config.tx_antenna_ports.value;
    fp->nb_antenna_ports_eNB = 1;
    num_tlv++;
  }

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

  if (req->phich_config.phich_resource.tl.tag == NFAPI_PHICH_CONFIG_PHICH_RESOURCE_TAG) {
    fp->phich_config_common.phich_resource = req->phich_config.phich_resource.value;
    num_tlv++;
  }

  if (req->phich_config.phich_duration.tl.tag == NFAPI_PHICH_CONFIG_PHICH_DURATION_TAG) {
    fp->phich_config_common.phich_duration = req->phich_config.phich_duration.value;
    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);
    //fp->phich_config_common.phich_power_offset = req->phich_config.
    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) {
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = req->uplink_reference_signal_config.cyclic_shift_1_for_drms.value;
    num_tlv++;
  }

  if (req->uplink_reference_signal_config.uplink_rs_hopping.tl.tag == NFAPI_UPLINK_REFERENCE_SIGNAL_CONFIG_UPLINK_RS_HOPPING_TAG) {
    fp->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = req->uplink_reference_signal_config.uplink_rs_hopping.value;
    num_tlv++;
  }

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

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

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

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

  if (req->prach_config.configuration_index.tl.tag == NFAPI_PRACH_CONFIG_CONFIGURATION_INDEX_TAG) {
    fp->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=req->prach_config.configuration_index.value;
    num_tlv++;
  }

  if (req->prach_config.root_sequence_index.tl.tag == NFAPI_PRACH_CONFIG_ROOT_SEQUENCE_INDEX_TAG) {
    fp->prach_config_common.rootSequenceIndex=req->prach_config.root_sequence_index.value;
    num_tlv++;
  }

  if (req->prach_config.zero_correlation_zone_configuration.tl.tag == NFAPI_PRACH_CONFIG_ZERO_CORRELATION_ZONE_CONFIGURATION_TAG) {
    fp->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=req->prach_config.zero_correlation_zone_configuration.value;
    num_tlv++;
  }

  if (req->prach_config.high_speed_flag.tl.tag == NFAPI_PRACH_CONFIG_HIGH_SPEED_FLAG_TAG) {
    fp->prach_config_common.prach_ConfigInfo.highSpeedFlag=req->prach_config.high_speed_flag.value;
    num_tlv++;
  }

  if (req->prach_config.frequency_offset.tl.tag == NFAPI_PRACH_CONFIG_FREQUENCY_OFFSET_TAG) {
    fp->prach_config_common.prach_ConfigInfo.prach_FreqOffset=req->prach_config.frequency_offset.value;
    num_tlv++;
  }

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  if(nfapi_mode!=3) {
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  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);

  dump_frame_parms(fp);
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  }
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  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);
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  if(nfapi_mode ==3)
	  free(fp);
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  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);
}

int pnf_phy_hi_dci0_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t* req) {

  if (req->hi_dci0_request_body.number_of_dci == 0 && req->hi_dci0_request_body.number_of_hi == 0)
    LOG_D(PHY,"[PNF] HI_DCI0_REQUEST SFN/SF:%05d 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);

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

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

  for (int i=0; i<req->hi_dci0_request_body.number_of_dci + req->hi_dci0_request_body.number_of_hi; i++) {

    //LOG_D(PHY,"[PNF] HI_DCI0_REQ sfn_sf:%d PDU[%d]\n", NFAPI_SFNSF2DEC(req->sfn_sf), i);

    if (req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type == NFAPI_HI_DCI0_DCI_PDU_TYPE) {

      //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);

      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,NFAPI_SFNSF2SFN(req->sfn_sf),NFAPI_SFNSF2SF(req->sfn_sf),proc,hi_dci0_req_pdu);

      eNB->pdcch_vars[NFAPI_SFNSF2SF(req->sfn_sf)&1].num_dci++;

    } 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);

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

      handle_nfapi_hi_dci0_hi_pdu(eNB, NFAPI_SFNSF2SFN(req->sfn_sf),NFAPI_SFNSF2SF(req->sfn_sf), proc, hi_dci0_req_pdu);

    } 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);

    }
  }

  return 0;
}

int pnf_phy_dl_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req) {

  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;
  }

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

  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;
  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;

  if (req->dl_config_request_body.number_dci || 
      req->dl_config_request_body.number_pdu ||
      req->dl_config_request_body.number_pdsch_rnti)
  NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() TX:%d/%d RX:%d/%d sfn_sf:%d pdcch:%u dl_cfg[dci:%u pdus:%d pdsch_rnti:%d] pcfich:%u\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_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);

  for (int i=0;i<req->dl_config_request_body.number_pdu;i++) {

    NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() sfn/sf:%d PDU[%d] size:%d pdcch_vars->num_dci:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size,pdcch_vars->num_dci);

    if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE) {

      handle_nfapi_dci_dl_pdu(eNB,NFAPI_SFNSF2SFN(req->sfn_sf),NFAPI_SFNSF2SF(req->sfn_sf),proc,&dl_config_pdu_list[i]);

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

      NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() pdcch_vars->num_dci:%d\n", __FUNCTION__, pdcch_vars->num_dci);

    } else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE) {

      nfapi_dl_config_bch_pdu *bch_pdu = &dl_config_pdu_list[i].bch_pdu;
      uint16_t pdu_index = bch_pdu->bch_pdu_rel8.pdu_index;

      if (tx_request_pdu[sfn][sf][pdu_index] != NULL) {

        //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]);

        handle_nfapi_bch_pdu(eNB, proc, &dl_config_pdu_list[i], tx_request_pdu[sfn][sf][pdu_index]->segments[0].segment_data);

        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); 
      }
    } else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {

      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;
      nfapi_tx_request_pdu_t *tx_pdu = tx_request_pdu[sfn][sf][rel8_pdu->pdu_index];

      if (tx_pdu != NULL) {
        int UE_id = find_dlsch(rel8_pdu->rnti,eNB,SEARCH_EXIST_OR_FREE);
        AssertFatal(UE_id!=-1,"no free or exiting dlsch_context\n");
        AssertFatal(UE_id<NUMBER_OF_UE_MAX,"returned UE_id %d >= %d(NUMBER_OF_UE_MAX)\n",UE_id,NUMBER_OF_UE_MAX);
        LTE_eNB_DLSCH_t *dlsch0 = eNB->dlsch[UE_id][0];
        //LTE_eNB_DLSCH_t *dlsch1 = eNB->dlsch[UE_id][1];
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        int harq_pid = dlsch0->harq_ids[sfn%2][sf];
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        if(harq_pid >= dlsch0->Mdlharq) {
          LOG_E(PHY,"pnf_phy_dl_config_req illegal harq_pid %d\n", harq_pid);
          return(-1);
        }
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        uint8_t *dlsch_sdu = tx_pdus[UE_id][harq_pid];
        
        memcpy(dlsch_sdu, tx_pdu->segments[0].segment_data, tx_pdu->segments[0].segment_length);

        //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);

        handle_nfapi_dlsch_pdu( eNB, sfn,sf, &eNB->proc.proc_rxtx[0], &dl_config_pdu_list[i], rel8_pdu->transport_blocks-1, dlsch_sdu);

      } 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);
      }

    } 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);

  return 0;
}

int pnf_phy_tx_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req) {

  uint16_t sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t sf = NFAPI_SFNSF2SF(req->sfn_sf);

  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);

  if (req->tx_request_body.tl.tag==NFAPI_TX_REQUEST_BODY_TAG) {
    for (int i=0; i<req->tx_request_body.number_of_pdus; i++) {
      LOG_D(PHY,"%s() SFN/SF:%d%d number_of_pdus:%d [PDU:%d] pdu_length:%d pdu_index:%d num_segments:%d\n",
          __FUNCTION__,
          sfn, sf,
          req->tx_request_body.number_of_pdus,
          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];
    }
  }

  return 0;
}

int pnf_phy_ul_config_req(nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req) {

  if (0)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;
  }

  uint16_t curr_sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t curr_sf = NFAPI_SFNSF2SF(req->sfn_sf);

  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++) {
    //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);

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

      handle_nfapi_ul_pdu(eNB,proc,&ul_config_pdu_list[i],curr_sfn,curr_sf,req->ul_config_request_body.srs_present);
    } else {
      NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() PDU:%i UNKNOWN type :%d\n", __FUNCTION__, i, ul_config_pdu_list[i].pdu_type);
    }
  }

  return 0;
}

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) &&
          pull16(ppReadPackedMessage, &req->dummy2, end)))
      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;
}

nfapi_dl_config_request_t dummy_dl_config_req;
nfapi_tx_request_t dummy_tx_req;

nfapi_pnf_p7_subframe_buffer_t dummy_subframe;

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);

  nfapi_set_trace_level(NFAPI_TRACE_INFO);

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

  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;

  p7_config->trace = &pnf_nfapi_trace;

  phy->user_data = p7_config;

  p7_config->subframe_buffer_size = phy_info->timing_window;
  printf("subframe_buffer_size configured using phy_info->timing_window:%d\n", phy_info->timing_window);
  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) {
1120
	  //printf("Panos-D: start_request () Enabling timing_info_mode_aperiodic \n");
1121 1122 1123 1124 1125 1126 1127 1128 1129
    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;

1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142
    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;
    }
    p7_config->lbt_dl_config_req = &pnf_phy_lbt_dl_config_req;
1143

1144 1145 1146 1147 1148 1149 1150 1151
    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;
1152

1153 1154 1155
    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;
1156

1157 1158
    dummy_subframe.dl_config_req = &dummy_dl_config_req;
    dummy_subframe.tx_req = 0;//&dummy_tx_req;
1159

1160 1161 1162
    dummy_subframe.ul_config_req=0;
    dummy_subframe.hi_dci0_req=0;
    dummy_subframe.lbt_dl_config_req=0;
1163

1164
    p7_config->dummy_subframe = dummy_subframe;
1165

1166
    p7_config->vendor_ext = &pnf_phy_vendor_ext;
1167

1168 1169
    p7_config->allocate_p7_vendor_ext = &pnf_phy_allocate_p7_vendor_ext;
    p7_config->deallocate_p7_vendor_ext = &pnf_phy_deallocate_p7_vendor_ext;
1170

1171 1172 1173 1174
    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;
1175

1176 1177 1178
    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);
1179

1180
    //((pnf_phy_user_data_t*)(phy_info->fapi->user_data))->p7_config = p7_config;
1181

1182 1183
    NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Calling l1_north_init_eNB() %s\n", __FUNCTION__);
    l1_north_init_eNB();
1184

1185 1186
    NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] DJP - HACK - Set p7_config global ready for subframe ind%s\n", __FUNCTION__);
    p7_config_g = p7_config;
1187

1188 1189
    //NFAPI_TRACE(NFAPI_TRACE_INFO, "[PNF] Panos-D: start_request, BUFFER SIZE: %d", p7_config_g->subframe_buffer_size);
    //printf("Panos-D: start_request, bUFFER SIZE: %d", p7_config_g->subframe_buffer_size);
1190

1191 1192 1193 1194 1195 1196 1197
    // Need to wait for main thread to create RU structures
    while(config_sync_var<0)
    {
      usleep(5000000);
      printf("[PNF] waiting for OAI to be configured (eNB/RU)\n");
    }
    printf("[PNF] OAI eNB/RU configured\n");
1198

1199 1200
    //printf("[PNF] About to call phy_init_RU() for RC.ru[0]:%p\n", RC.ru[0]);
    //phy_init_RU(RC.ru[0]);
1201

1202
    printf("[PNF] About to call init_eNB_afterRU()\n");
1203

1204 1205 1206 1207 1208 1209 1210 1211 1212 1213 1214 1215 1216 1217 1218 1219 1220 1221 1222 1223 1224 1225 1226
    // Panos: Instead
    /*if (nfapi_mode == 3) {
    	init_UE_stub(1,0,uecap_xer_in);
    }*/
    //else{
    if (nfapi_mode != 3) {
    	// Panos
    	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);
    }

    while(sync_var<0)
    {
      usleep(5000000);
      printf("[PNF] waiting for OAI to be started\n");
    }
1227

1228 1229
    printf("[PNF] Sending PNF_START_RESP\n");
    nfapi_send_pnf_start_resp(config, p7_config->phy_id);
1230

1231 1232 1233
    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???
    printf("[PNF] Sent first P7 subframe ind\n");
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 1279 1280 1281 1282 1283 1284 1285 1286 1287 1288 1289 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 1322 1323 1324 1325 1326 1327 1328 1329 1330 1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 1341 1342 1343 1344 1345 1346 1347 1348 1349 1350 1351 1352 1353 1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 1370 1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 1381 1382 1383 1384 1385 1386 1387 1388 1389 1390 1391 1392 1393 1394 1395 1396 1397 1398 1399 1400 1401 1402 1403 1404 1405 1406 1407 1408 1409 1410 1411 1412 1413 1414 1415 1416 1417 1418 1419 1420 1421 1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487 1488 1489 1490 1491 1492 1493 1494 1495 1496 1497 1498 1499 1500 1501 1502 1503 1504 1505 1506 1507 1508 1509 1510 1511 1512 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536

  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;

  struct sched_param sp;
  sp.sched_priority = 20;
  pthread_setschedparam(pthread_self(),SCHED_FIFO,&sp);

  nfapi_pnf_start(config);

  return (void*)0;
}

void configure_nfapi_pnf(char *vnf_ip_addr, int vnf_p5_port, char *pnf_ip_addr, int pnf_p7_port, int vnf_p7_port) {

  printf("%s() PNF\n\n\n\n\n\n", __FUNCTION__);

1537
  if(nfapi_mode!=3) {
1538
  nfapi_mode = 1;  // PNF!
1539
  }
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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);

  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", 
      __FUNCTION__, 
      config->vnf_ip_addr, config->vnf_p5_port, 
      pnf.phys[0].local_addr,
      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;

  config->trace = &pnf_nfapi_trace;

  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);

  pthread_setname_np(pnf_start_pthread, "NFAPI_PNF");
}

void oai_subframe_ind(uint16_t sfn, uint16_t sf) {

  //LOG_D(PHY,"%s(sfn:%d, sf:%d)\n", __FUNCTION__, sfn, sf);

  //TODO FIXME - HACK - DJP - using a global to bodge it in 

  if (p7_config_g != NULL && sync_var==0) {

    uint16_t sfn_sf_tx = sfn<<4 | sf;

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

      clock_gettime(CLOCK_MONOTONIC, &ts);

      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));
    }

    int subframe_ret = nfapi_pnf_p7_subframe_ind(p7_config_g, p7_config_g->phy_id, sfn_sf_tx);

    if (subframe_ret) {
      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");
    }
  } else {
  }
}

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!!!!

  LOG_D(PHY, "%s() sfn_sf:%d preambles:%d\n", __FUNCTION__, NFAPI_SFNSF2DEC(rach_ind->sfn_sf), rach_ind->rach_indication_body.number_of_preambles);

  return nfapi_pnf_p7_rach_ind(p7_config_g, rach_ind);
}

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_D(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);

  int retval = nfapi_pnf_p7_harq_ind(p7_config_g, harq_ind);

  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;
}

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_D(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_D(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);

  //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);

  //free(ind.rx_indication_body.rx_pdu_list);

  return retval;
}

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);

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

  //free(ind.rx_indication_body.rx_pdu_list);

  return retval;
}