phy_stub_UE.c 52.8 KB
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//#include "openair1/PHY/defs.h"
//#include "openair2/PHY_INTERFACE/IF_Module.h"
//#include "openair1/PHY/extern.h"
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#include "openair2/LAYER2/MAC/extern.h"
#include "openair2/LAYER2/MAC/defs.h"
#include "openair2/LAYER2/MAC/proto.h"
//#include "openair2/LAYER2/MAC/vars.h"
#include "openair1/SCHED/defs.h"
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//#include "common/ran_context.h"
#include "openair2/PHY_INTERFACE/phy_stub_UE.h"
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//#define DEADLINE_SCHEDULER 1

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//#include "nfapi_pnf_interface.h"
//#include "nfapi.h"
//#include "nfapi_pnf.h"
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//extern uint8_t nfapi_pnf;
//UL_IND_t *UL_INFO;
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extern nfapi_tx_request_pdu_t* tx_request_pdu[1023][10][10];
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void Msg1_transmitted(module_id_t module_idP,uint8_t CC_id,frame_t frameP, uint8_t eNB_id);
void Msg3_transmitted(module_id_t module_idP,uint8_t CC_id,frame_t frameP, uint8_t eNB_id);

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void fill_rx_indication_UE_MAC(module_id_t Mod_id,int frame,int subframe, UL_IND_t* UL_INFO, uint8_t *ulsch_buffer, uint16_t buflen, uint16_t rnti)
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{
	  nfapi_rx_indication_pdu_t *pdu;

	  int timing_advance_update;
	  //int sync_pos;

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	  //uint32_t harq_pid = subframe2harq_pid(&eNB->frame_parms,
	 //					frame,subframe);

	  //UL_IND_t *UL_INFO = (UL_IND_t*)malloc16(sizeof(UL_IND_t));
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	  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);

	  //eNB->UL_INFO.rx_ind.sfn_sf                    = frame<<4| subframe;
	  //eNB->UL_INFO.rx_ind.rx_indication_body.tl.tag = NFAPI_RX_INDICATION_BODY_TAG;

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	  pdu                                    = &UL_INFO->rx_ind.rx_indication_body.rx_pdu_list[UL_INFO->rx_ind.rx_indication_body.number_of_pdus];
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	  //  pdu->rx_ue_information.handle          = eNB->ulsch[UE_id]->handle;
	  pdu->rx_ue_information.tl.tag          = NFAPI_RX_UE_INFORMATION_TAG;
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	  pdu->rx_ue_information.rnti            = rnti;
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	  pdu->rx_indication_rel8.tl.tag         = NFAPI_RX_INDICATION_REL8_TAG;
	  //pdu->rx_indication_rel8.length         = eNB->ulsch[UE_id]->harq_processes[harq_pid]->TBS>>3;
	  pdu->rx_indication_rel8.length         = buflen;
	  pdu->rx_indication_rel8.offset         = 1;   // DJP - I dont understand - but broken unless 1 ????  0;  // filled in at the end of the UL_INFO formation
	  pdu->data                              = ulsch_buffer;
	  // estimate timing advance for MAC
	  //sync_pos                               = lte_est_timing_advance_pusch(eNB,UE_id);
	  timing_advance_update                  = 0;  //Panos: Don't know what to put here
	  pdu->rx_indication_rel8.timing_advance = timing_advance_update;

	  //  if (timing_advance_update > 10) { dump_ulsch(eNB,frame,subframe,UE_id); exit(-1);}
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	  //  if (timing_advance_update < -10) { dump_ulsch(eNB,frame,subframe,UE_id); exit(-1);}*/
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	  /*switch (eNB->frame_parms.N_RB_DL) {
	  case 6:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update;
	    break;
	  case 15:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update/2;
	    break;
	  case 25:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update/4;
	    break;
	  case 50:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update/8;
	    break;
	  case 75:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update/12;
	    break;
	  case 100:
	    pdu->rx_indication_rel8.timing_advance = timing_advance_update/16;
	    break;
	  }
	  // put timing advance command in 0..63 range
	  timing_advance_update += 31;
	  if (timing_advance_update < 0)  timing_advance_update = 0;
	  if (timing_advance_update > 63) timing_advance_update = 63;
	  pdu->rx_indication_rel8.timing_advance = timing_advance_update;*/

	  // estimate UL_CQI for MAC (from antenna port 0 only)

	  // Panos dependency from eNB not sure how to substitute this. Should we hardcode it?
	  //int SNRtimes10 = dB_fixed_times10(eNB->pusch_vars[UE_id]->ulsch_power[0]) - 200;//(10*eNB->measurements.n0_power_dB[0]);
	  int SNRtimes10 = 640;

	  if      (SNRtimes10 < -640) pdu->rx_indication_rel8.ul_cqi=0;
	  else if (SNRtimes10 >  635) pdu->rx_indication_rel8.ul_cqi=255;
	  else                        pdu->rx_indication_rel8.ul_cqi=(640+SNRtimes10)/5;


	  /*LOG_D(PHY,"[PUSCH %d] Filling RX_indication with SNR %d (%d), timing_advance %d (update %d)\n",
		harq_pid,SNRtimes10,pdu->rx_indication_rel8.ul_cqi,pdu->rx_indication_rel8.timing_advance,
		timing_advance_update);*/

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	  UL_INFO->rx_ind.rx_indication_body.number_of_pdus++;
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	  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);


}

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void fill_sr_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint16_t rnti) {
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  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
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  nfapi_sr_indication_pdu_t *pdu =   &UL_INFO->sr_ind.sr_indication_body.sr_pdu_list[UL_INFO->rx_ind.rx_indication_body.number_of_pdus];
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  pdu->instance_length                                = 0; // don't know what to do with this
  //  pdu->rx_ue_information.handle                       = handle;
  pdu->rx_ue_information.tl.tag                       = NFAPI_RX_UE_INFORMATION_TAG;
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  pdu->rx_ue_information.rnti                         = rnti; //UE_mac_inst[Mod_id].crnti;; //Panos: Is this the right RNTI?
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  // Panos dependency from PHY not sure how to substitute this. Should we hardcode it?
  //int SNRtimes10 = dB_fixed_times10(stat) - 200;//(10*eNB->measurements.n0_power_dB[0]);
  int SNRtimes10 = 640;


  if      (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
  else if (SNRtimes10 >  635) pdu->ul_cqi_information.ul_cqi=255;
  else                        pdu->ul_cqi_information.ul_cqi=(640+SNRtimes10)/5;
  pdu->ul_cqi_information.channel = 0;

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  UL_INFO->rx_ind.rx_indication_body.number_of_pdus++;
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  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
}


void fill_crc_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint8_t crc_flag) {

  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
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  nfapi_crc_indication_pdu_t *pdu =   &UL_INFO->crc_ind.crc_indication_body.crc_pdu_list[UL_INFO->crc_ind.crc_indication_body.number_of_crcs];
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  //eNB->UL_INFO.crc_ind.sfn_sf                         = frame<<4 | subframe;
  //eNB->UL_INFO.crc_ind.crc_indication_body.tl.tag     = NFAPI_CRC_INDICATION_BODY_TAG;

  pdu->instance_length                                = 0; // don't know what to do with this
  //  pdu->rx_ue_information.handle                       = handle;
  pdu->rx_ue_information.tl.tag                       = NFAPI_RX_UE_INFORMATION_TAG;
  pdu->rx_ue_information.rnti                         = UE_mac_inst[Mod_id].crnti;
  pdu->crc_indication_rel8.tl.tag                     = NFAPI_CRC_INDICATION_REL8_TAG;
  pdu->crc_indication_rel8.crc_flag                   = crc_flag;

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  UL_INFO->crc_ind.crc_indication_body.number_of_crcs++;
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  LOG_D(PHY, "%s() rnti:%04x pdus:%d\n", __FUNCTION__, pdu->rx_ue_information.rnti, UL_INFO->crc_ind.crc_indication_body.number_of_crcs);
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  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
}

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void fill_rach_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint8_t ra_PreambleIndex, uint16_t ra_RNTI) {

	pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);

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	    UL_INFO->rach_ind.rach_indication_body.number_of_preambles                 = 1;
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	    //eNB->UL_INFO.rach_ind.preamble_list                       = &eNB->preamble_list[0];
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	    UL_INFO->rach_ind.rach_indication_body.tl.tag                              = NFAPI_RACH_INDICATION_BODY_TAG;
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	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.tl.tag   		= NFAPI_PREAMBLE_REL8_TAG;
	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance = 0; //Panos: Not sure about that
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	    //Panos: The two following should get extracted from the call to get_prach_resources().
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	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble = ra_PreambleIndex;
	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti 	  = ra_RNTI;
	    UL_INFO->rach_ind.rach_indication_body.number_of_preambles++;
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	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel13.rach_resource_type = 0;
	    UL_INFO->rach_ind.rach_indication_body.preamble_list[0].instance_length					 = 0;
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	        // If NFAPI PNF then we need to send the message to the VNF
	        //if (nfapi_pnf == 1)
	        //{
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	        //Panos: Not sure if we need the following. They refer to nfapi_rach_indication_t type
	        //so we cannot insert it to the UL_INFO which has an nfapi_rach_indication_body_t type.
	    	//Probably it should be part of UL_indication() function before calling oai_nfapi_rach_ind(&rach_ind).

	    	  /*nfapi_rach_indication_t *rach_ind;
	          rach_ind->header.message_id = NFAPI_RACH_INDICATION;
	          rach_ind->sfn_sf = frame<<4 | subframe;
	          rach_ind->rach_indication_body = UL_INFO->rach_ind;*/
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	          LOG_E(PHY,"\n\n\n\nDJP - this needs to be sent to VNF **********************************************\n\n\n\n");
	          LOG_E(PHY,"UE Filling NFAPI indication for RACH : TA %d, Preamble %d, rnti %x, rach_resource_type %d\n",
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	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance,
	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble,
	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti,
	        	  UL_INFO->rach_ind.rach_indication_body.preamble_list[0].preamble_rel13.rach_resource_type);
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	          //Panos: This function is currently defined only in the nfapi-RU-RAU-split so we should call it when we merge
	          // with that branch.
	          //oai_nfapi_rach_ind(&rach_ind);


	        //}
	      pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);

}

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void fill_ulsch_cqi_indication_UE_MAC(int Mod_id, uint16_t frame,uint8_t subframe, UL_IND_t *UL_INFO, uint16_t rnti) {
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	pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
	nfapi_cqi_indication_pdu_t *pdu         = &UL_INFO->cqi_ind.cqi_pdu_list[UL_INFO->cqi_ind.number_of_cqis];
	nfapi_cqi_indication_raw_pdu_t *raw_pdu = &UL_INFO->cqi_ind.cqi_raw_pdu_list[UL_INFO->cqi_ind.number_of_cqis];

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	pdu->rx_ue_information.rnti = rnti;
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	//if (ulsch_harq->cqi_crc_status != 1)
	//Panos: Since we assume that CRC flag is always 0 (ACK) I guess that data_offset should always be 0.
	pdu->cqi_indication_rel9.data_offset = 0;
	//else               pdu->cqi_indication_rel9.data_offset = 1; // fill in after all cqi_indications have been generated when non-zero

	// by default set O to rank 1 value
	//pdu->cqi_indication_rel9.length = (ulsch_harq->Or1>>3) + ((ulsch_harq->Or1&7) > 0 ? 1 : 0);
	// Panos: Not useful field for our case
	pdu->cqi_indication_rel9.length = 0;
	pdu->cqi_indication_rel9.ri[0]  = 0;

  // if we have RI bits, set them and if rank2 overwrite O
  /*if (ulsch_harq->O_RI>0) {
    pdu->cqi_indication_rel9.ri[0] = ulsch_harq->o_RI[0];
    if (ulsch_harq->o_RI[0] == 2)   pdu->cqi_indication_rel9.length = (ulsch_harq->Or2>>3) + ((ulsch_harq->Or2&7) > 0 ? 1 : 0);
    pdu->cqi_indication_rel9.timing_advance = 0;
  }*/

	pdu->cqi_indication_rel9.timing_advance = 0;
  pdu->cqi_indication_rel9.number_of_cc_reported = 1;
  pdu->ul_cqi_information.channel = 1; // PUSCH

  //Panos: Not sure how to substitute this. This should be the actual CQI value? So can
  // we hardcode it to a specific value?
  //memcpy((void*)raw_pdu->pdu,ulsch_harq->o,pdu->cqi_indication_rel9.length);
  raw_pdu->pdu[0] = 7;



  UL_INFO->cqi_ind.number_of_cqis++;
  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);

}

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void fill_ulsch_harq_indication_UE_MAC(int Mod_id, int frame,int subframe, UL_IND_t *UL_INFO, nfapi_ul_config_ulsch_harq_information *harq_information, uint16_t rnti)
{

  //int UE_id = find_dlsch(rnti,eNB,SEARCH_EXIST);
  //AssertFatal(UE_id>=0,"UE_id doesn't exist\n");

  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
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  nfapi_harq_indication_pdu_t *pdu =   &UL_INFO->harq_ind.harq_indication_body.harq_pdu_list[UL_INFO->harq_ind.harq_indication_body.number_of_harqs];
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  int i;

  pdu->instance_length                                = 0; // don't know what to do with this
  //  pdu->rx_ue_information.handle                       = handle;
  pdu->rx_ue_information.rnti                         = rnti;

  //Panos: For now we consider only FDD
  //if (eNB->frame_parms.frame_type == FDD) {
    pdu->harq_indication_fdd_rel13.mode = 0;
    pdu->harq_indication_fdd_rel13.number_of_ack_nack = harq_information->harq_information_rel10.harq_size;

    //Panos: Could this be wrong? Is the number_of_ack_nack field equivalent to O_ACK?
    //pdu->harq_indication_fdd_rel13.number_of_ack_nack = ulsch_harq->O_ACK;

    for (i=0;i<harq_information->harq_information_rel10.harq_size;i++) {
      //AssertFatal(ulsch_harq->o_ACK[i] == 0 || ulsch_harq->o_ACK[i] == 1, "harq_ack[%d] is %d, should be 1,2 or 4\n",i,ulsch_harq->o_ACK[i]);

      pdu->harq_indication_fdd_rel13.harq_tb_n[i] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
      // release DLSCH if needed
      //if (ulsch_harq->o_ACK[i] == 1) release_harq(eNB,UE_id,i,frame,subframe,0xffff);

    }
  //}
  /*else { // TDD
    M=ul_ACK_subframe2_M(&eNB->frame_parms,
			 subframe);

    pdu->harq_indication_fdd_rel13.mode = 1-bundling;
    pdu->harq_indication_fdd_rel13.number_of_ack_nack = ulsch_harq->O_ACK;

    for (i=0;i<ulsch_harq->O_ACK;i++) {
      AssertFatal(ulsch_harq->o_ACK[i] == 0 || ulsch_harq->o_ACK[i] == 1, "harq_ack[%d] is %d, should be 1,2 or 4\n",i,ulsch_harq->o_ACK[i]);

      pdu->harq_indication_tdd_rel13.harq_data[0].multiplex.value_0 = 2-ulsch_harq->o_ACK[i];
      // release DLSCH if needed
      if (ulsch_harq->o_ACK[i] == 1) release_harq(eNB,UE_id,i,frame,subframe,0xffff);
      if      (M==1 && ulsch_harq->O_ACK==1 && ulsch_harq->o_ACK[i] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
      else if (M==1 && ulsch_harq->O_ACK==2 && ulsch_harq->o_ACK[i] == 1) release_harq(eNB,UE_id,i,frame,subframe,0xffff);
      else if (M>1 && ulsch_harq->o_ACK[i] == 1) {
	// spatial bundling
	release_harq(eNB,UE_id,0,frame,subframe,1<<i);
	release_harq(eNB,UE_id,1,frame,subframe,1<<i);
      }
    }
  }*/

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  UL_INFO->harq_ind.harq_indication_body.number_of_harqs++;
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  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
}


void fill_uci_harq_indication_UE_MAC(int Mod_id,
			      int frame,
			      int subframe,
			      UL_IND_t *UL_INFO,
			      nfapi_ul_config_harq_information *harq_information,
			      uint16_t rnti
			      /*uint8_t tdd_mapping_mode,
			      uint16_t tdd_multiplexing_mask*/) {

  //int UE_id=find_dlsch(uci->rnti,eNB,SEARCH_EXIST);
  //AssertFatal(UE_id>=0,"UE_id doesn't exist\n");


  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
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  nfapi_harq_indication_pdu_t *pdu =   &UL_INFO->harq_ind.harq_indication_body.harq_pdu_list[UL_INFO->harq_ind.harq_indication_body.number_of_harqs];
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  pdu->instance_length                                = 0; // don't know what to do with this
  //  pdu->rx_ue_information.handle                       = handle;
  pdu->rx_ue_information.rnti                         = rnti;

  // estimate UL_CQI for MAC (from antenna port 0 only)

  // Panos: Set static SNR for now
  //int SNRtimes10 = dB_fixed_times10(uci->stat) - 200;//(10*eNB->measurements.n0_power_dB[0]);
  int SNRtimes10 = 640;

  //if (SNRtimes10 < -100) LOG_I(PHY,"uci->stat %d \n",uci->stat);

  if      (SNRtimes10 < -640) pdu->ul_cqi_information.ul_cqi=0;
  else if (SNRtimes10 >  635) pdu->ul_cqi_information.ul_cqi=255;
  else                        pdu->ul_cqi_information.ul_cqi=(640+SNRtimes10)/5;
  pdu->ul_cqi_information.channel = 0;

  //Panos: Considering only FDD for now
  //if (eNB->frame_parms.frame_type == FDD) {

    //Panos: Condition taken from fapi_l1::handle_uci_harq_information() function
    if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 0) &&
          (harq_information->harq_information_rel9_fdd.harq_size == 1)) {
    //if (uci->pucch_fmt == pucch_format1a) {
      pdu->harq_indication_fdd_rel13.mode = 0;
      pdu->harq_indication_fdd_rel13.number_of_ack_nack = 1;

      //AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[0] == 4, "harq_ack[0] is %d, should be 1,2 or 4\n",harq_ack[0]);
      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; //Panos: Assuming always an ACK (No NACK or DTX)


    }
    else if ((harq_information->harq_information_rel9_fdd.ack_nack_mode == 0) &&
                 (harq_information->harq_information_rel9_fdd.harq_size == 2)) {
      pdu->harq_indication_fdd_rel13.mode = 0;
      pdu->harq_indication_fdd_rel13.number_of_ack_nack = 2;
      //AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[1] == 4, "harq_ack[0] is %d, should be 0,1 or 4\n",harq_ack[0]);
      //AssertFatal(harq_ack[1] == 1 || harq_ack[1] == 2 || harq_ack[1] == 4, "harq_ack[1] is %d, should be 0,1 or 4\n",harq_ack[1]);
      pdu->harq_indication_fdd_rel13.harq_tb_n[0] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
      pdu->harq_indication_fdd_rel13.harq_tb_n[1] = 1; //Panos: Assuming always an ACK (No NACK or DTX)
      // release DLSCH if needed
      //if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
      //if (harq_ack[1] == 1) release_harq(eNB,UE_id,1,frame,subframe,0xffff);
    }
    else AssertFatal(1==0,"only format 1a/b for now, received \n");
  //}
  /*else { // TDD

    AssertFatal(tdd_mapping_mode==0 || tdd_mapping_mode==1 || tdd_mapping_mode==2,
		"Illegal tdd_mapping_mode %d\n",tdd_mapping_mode);

    pdu->harq_indication_tdd_rel13.mode = tdd_mapping_mode;

    switch (tdd_mapping_mode) {
    case 0: // bundling

      if (uci->pucch_fmt == pucch_format1a) {
	pdu->harq_indication_tdd_rel13.number_of_ack_nack = 1;
	AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[0] == 4, "harq_ack[0] is %d, should be 1,2 or 4\n",harq_ack[0]);
	pdu->harq_indication_tdd_rel13.harq_data[0].bundling.value_0 = harq_ack[0];
	// release all bundled DLSCH if needed
	if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
      }
      else if (uci->pucch_fmt == pucch_format1b) {
	pdu->harq_indication_tdd_rel13.number_of_ack_nack = 2;
	AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[1] == 4, "harq_ack[0] is %d, should be 0,1 or 4\n",harq_ack[0]);
	AssertFatal(harq_ack[1] == 1 || harq_ack[1] == 2 || harq_ack[1] == 4, "harq_ack[1] is %d, should be 0,1 or 4\n",harq_ack[1]);
	pdu->harq_indication_tdd_rel13.harq_data[0].bundling.value_0 = harq_ack[0];
	pdu->harq_indication_tdd_rel13.harq_data[1].bundling.value_0 = harq_ack[1];
	// release all DLSCH if needed
	if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
	if (harq_ack[1] == 1) release_harq(eNB,UE_id,1,frame,subframe,0xffff);
      }
      break;
    case 1: // multiplexing
      AssertFatal(uci->pucch_fmt == pucch_format1b,"uci->pucch_format %d is not format1b\n",uci->pucch_fmt);

      if (uci->num_pucch_resources == 1 && uci->pucch_fmt == pucch_format1a) {
	pdu->harq_indication_tdd_rel13.number_of_ack_nack = 1;
	AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[0] == 4, "harq_ack[0] is %d, should be 1,2 or 4\n",harq_ack[0]);
	pdu->harq_indication_tdd_rel13.harq_data[0].multiplex.value_0 = harq_ack[0];
	// release all DLSCH if needed
	if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
      }
      else if (uci->num_pucch_resources == 1 && uci->pucch_fmt == pucch_format1b) {
	pdu->harq_indication_tdd_rel13.number_of_ack_nack = 2;
	AssertFatal(harq_ack[0] == 1 || harq_ack[0] == 2 || harq_ack[1] == 4, "harq_ack[0] is %d, should be 0,1 or 4\n",harq_ack[0]);
	AssertFatal(harq_ack[1] == 1 || harq_ack[1] == 2 || harq_ack[1] == 4, "harq_ack[1] is %d, should be 0,1 or 4\n",harq_ack[1]);
	pdu->harq_indication_tdd_rel13.harq_data[0].multiplex.value_0 = harq_ack[0];
	pdu->harq_indication_tdd_rel13.harq_data[1].multiplex.value_0 = harq_ack[1];
	// release all DLSCH if needed
	if (harq_ack[0] == 1) release_harq(eNB,UE_id,0,frame,subframe,0xffff);
	if (harq_ack[1] == 1) release_harq(eNB,UE_id,1,frame,subframe,0xffff);
      }
      else { // num_pucch_resources (M) > 1
	pdu->harq_indication_tdd_rel13.number_of_ack_nack = uci->num_pucch_resources;

	pdu->harq_indication_tdd_rel13.harq_data[0].multiplex.value_0 = harq_ack[0];
	pdu->harq_indication_tdd_rel13.harq_data[1].multiplex.value_0 = harq_ack[1];
	if (uci->num_pucch_resources == 3) 	pdu->harq_indication_tdd_rel13.harq_data[2].multiplex.value_0 = harq_ack[2];
	if (uci->num_pucch_resources == 4) 	pdu->harq_indication_tdd_rel13.harq_data[3].multiplex.value_0 = harq_ack[3];
	// spatial-bundling in this case so release both HARQ if necessary
	release_harq(eNB,UE_id,0,frame,subframe,tdd_multiplexing_mask);
	release_harq(eNB,UE_id,1,frame,subframe,tdd_multiplexing_mask);
      }
      break;
    case 2: // special bundling (SR collision)
      pdu->harq_indication_tdd_rel13.number_of_ack_nack = 1;
      int tdd_config5_sf2scheds=0;
      if (eNB->frame_parms.tdd_config==5) tdd_config5_sf2scheds = getM(eNB,frame,subframe);

      switch (harq_ack[0]) {
      case 0:
	break;
      case 1: // check if M=1,4,7
	if (uci->num_pucch_resources == 1 || uci->num_pucch_resources == 4 ||
	    tdd_config5_sf2scheds == 1 || tdd_config5_sf2scheds == 4 || tdd_config5_sf2scheds == 7) {
	  release_harq(eNB,UE_id,0,frame,subframe,0xffff);
	  release_harq(eNB,UE_id,1,frame,subframe,0xffff);
	}
	break;
      case 2: // check if M=2,5,8
	if (uci->num_pucch_resources == 2 || tdd_config5_sf2scheds == 2 ||
	    tdd_config5_sf2scheds == 5 || tdd_config5_sf2scheds == 8) {
	  release_harq(eNB,UE_id,0,frame,subframe,0xffff);
	  release_harq(eNB,UE_id,1,frame,subframe,0xffff);
	}
	break;
      case 3: // check if M=3,6,9
	if (uci->num_pucch_resources == 3 || tdd_config5_sf2scheds == 3 ||
	    tdd_config5_sf2scheds == 6 || tdd_config5_sf2scheds == 9) {
	  release_harq(eNB,UE_id,0,frame,subframe,0xffff);
	  release_harq(eNB,UE_id,1,frame,subframe,0xffff);
	}
	break;
      }
      break;

    }
  } //TDD*/


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  UL_INFO->harq_ind.harq_indication_body.number_of_harqs++;
  LOG_E(PHY,"Incremented eNB->UL_INFO.harq_ind.number_of_harqs:%d\n", UL_INFO->harq_ind.harq_indication_body.number_of_harqs);
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  pthread_mutex_unlock(&UE_mac_inst[Mod_id].UL_INFO_mutex);

}


void handle_nfapi_ul_pdu_UE_MAC(module_id_t Mod_id,
                         nfapi_ul_config_request_pdu_t *ul_config_pdu,
                         uint16_t frame,uint8_t subframe,uint8_t srs_present)
{
  nfapi_ul_config_ulsch_pdu_rel8_t *rel8 = &ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8;

  //int8_t UE_id;

  // check if we have received a dci for this ue and ulsch descriptor is configured

  if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_PDU_TYPE) {
    //AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No existing UE ULSCH for rnti %x\n",rel8->rnti);
    LOG_D(PHY,"Applying UL config for UE, rnti %x for frame %d, subframe %d\n",
         rel8->rnti,frame,subframe);
    uint8_t ulsch_buffer[5477] __attribute__ ((aligned(32)));
    uint16_t buflen = ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.size;

    uint16_t rnti = ul_config_pdu->ulsch_pdu.ulsch_pdu_rel8.rnti;
    uint8_t access_mode=SCHEDULED_ACCESS;
    if(buflen>0){
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    	if(UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){ // Msg3 case
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    		fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
    		fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti);
    		Msg3_transmitted(Mod_id, 0, frame, 0);
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    		// Panos: This should be done after the reception of the respective hi_dci0
    		//UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
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    	}
    	else {
    		ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
    		fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
    		fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti);
    	}
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    }
  }

  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_HARQ_PDU_TYPE) {
    //AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);
	  uint8_t ulsch_buffer[5477] __attribute__ ((aligned(32)));
	  uint16_t buflen = ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.size;
	  nfapi_ul_config_ulsch_harq_information *ulsch_harq_information = &ul_config_pdu->ulsch_harq_pdu.harq_information;
	  uint16_t rnti = ul_config_pdu->ulsch_harq_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti;
	  uint8_t access_mode=SCHEDULED_ACCESS;
	  if(buflen>0){
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		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){ // Msg3 case
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			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti);
			  Msg3_transmitted(Mod_id, 0, frame, 0);
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			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
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		  }
		  else {
			  ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti);
		  }

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	  }

	  if(ulsch_harq_information)
		  fill_ulsch_harq_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_harq_information, rnti);

  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_RI_PDU_TYPE) {
    //AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,
    //                                eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);
	  uint8_t ulsch_buffer[5477] __attribute__ ((aligned(32)));
	  uint16_t buflen = ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.size;

	  uint16_t rnti = ul_config_pdu->ulsch_cqi_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti;
	  uint8_t access_mode=SCHEDULED_ACCESS;
	  if(buflen>0){
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		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){ // Msg3 case
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			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti);
			  Msg3_transmitted(Mod_id, 0, frame, 0);
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			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
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		  }
		  else {
			  ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti);
		  }
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	  }
	  fill_ulsch_cqi_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, rnti);

  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_ULSCH_CQI_HARQ_RI_PDU_TYPE) {
    //AssertFatal((UE_id = find_ulsch(ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti,
    //                                eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No available UE ULSCH for rnti %x\n",ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti);

	  uint8_t ulsch_buffer[5477] __attribute__ ((aligned(32)));
	  uint16_t buflen = ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.size;
	  nfapi_ul_config_ulsch_harq_information *ulsch_harq_information = &ul_config_pdu->ulsch_cqi_harq_ri_pdu.harq_information;

	  uint16_t rnti = ul_config_pdu->ulsch_cqi_harq_ri_pdu.ulsch_pdu.ulsch_pdu_rel8.rnti;
	  uint8_t access_mode=SCHEDULED_ACCESS;
	  if(buflen>0){
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		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){ // Msg3 case
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			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, UE_mac_inst[Mod_id].RA_prach_resources.Msg3,buflen, rnti);
			  Msg3_transmitted(Mod_id, 0, frame, 0);
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			  //UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
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		  }
		  else {
			  ue_get_sdu( Mod_id, 0, frame, subframe, 0, ulsch_buffer, buflen, &access_mode);
			  fill_crc_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, 0);
			  fill_rx_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_buffer,buflen, rnti);
		  }
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	  }

	  if(ulsch_harq_information)
		  fill_ulsch_harq_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, ulsch_harq_information, rnti);
	  fill_ulsch_cqi_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, rnti);

  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_HARQ_PDU_TYPE) {
  //  AssertFatal((UE_id = find_uci(ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti,
  //                                proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
  //              "No available UE UCI for rnti %x\n",ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti);

	  uint16_t rnti = ul_config_pdu->uci_harq_pdu.ue_information.ue_information_rel8.rnti;

	  nfapi_ul_config_harq_information *ulsch_harq_information = &ul_config_pdu->uci_harq_pdu.harq_information;

	  fill_uci_harq_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO,ulsch_harq_information, rnti);
  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_PDU_TYPE) {
    AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_PDU_TYPE not handled yet\n");
  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE) {
    AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_HARQ_PDU_TYPE not handled yet\n");
  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_CQI_SR_PDU_TYPE) {
    AssertFatal(1==0,"NFAPI_UL_CONFIG_UCI_CQI_SR_PDU_TYPE not handled yet\n");
  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_PDU_TYPE) {
    //AssertFatal((UE_id = find_uci(ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti,
    //                              proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No available UE UCI for rnti %x\n",ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti);
	  uint16_t rnti = ul_config_pdu->uci_sr_pdu.ue_information.ue_information_rel8.rnti;

	  fill_sr_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO, rnti);

  }
  else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_UCI_SR_HARQ_PDU_TYPE) {
    //AssertFatal((UE_id = find_uci(rel8->rnti,proc->frame_tx,proc->subframe_tx,eNB,SEARCH_EXIST_OR_FREE))>=0,
    //            "No available UE UCI for rnti %x\n",ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel8.rnti);

	  uint16_t rnti = ul_config_pdu->uci_sr_harq_pdu.ue_information.ue_information_rel8.rnti;

	  // We fill the sr_indication only if ue_get_sr() would normally instruct PHY to send a SR.
	  if (ue_get_SR(Mod_id ,0,frame, 0, rnti, subframe))
		  fill_sr_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO,rnti);

	  nfapi_ul_config_harq_information *ulsch_harq_information = &ul_config_pdu->uci_sr_harq_pdu.harq_information;
	  fill_uci_harq_indication_UE_MAC(Mod_id, frame, subframe, UL_INFO,ulsch_harq_information, rnti);

  }
  /*else if (ul_config_pdu->pdu_type == NFAPI_UL_CONFIG_SRS_PDU_TYPE) {
    handle_srs_pdu(eNB,ul_config_pdu,frame,subframe);
  }*/
}






647
int ul_config_req_UE_MAC(nfapi_ul_config_request_t* req)
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{
  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;
  }*/

  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];

  module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
  nfapi_ul_config_request_pdu_t* ul_config_pdu_list = req->ul_config_request_body.ul_config_pdu_list;

  //Panos: Not sure whether we should put the memory allocation here.
  //*** Note we should find the right place to call free(UL_INFO).
  UL_INFO = (UL_IND_t*)malloc(sizeof(UL_IND_t));

691
  //Panos: Additional checks needed here to check if the UE is in PRACH mode.
692
  uint8_t is_rach = req->ul_config_request_body.rach_prach_frequency_resources;
693
  if(is_rach && UE_mac_inst[Mod_id].UE_mode[0] == PRACH) {
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	  PRACH_RESOURCES_t *prach_resources = ue_get_rach(Mod_id, 0, sfn, 0, sf);
	  fill_rach_indication_UE_MAC(Mod_id, sfn ,sf, UL_INFO, prach_resources->ra_PreambleIndex, prach_resources->ra_RNTI);
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	  Msg1_transmitted(Mod_id, 0, sfn, 0);
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  }

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  // subframe works off TX SFN/SF which is 4 ahead, need to put it back to RX SFN/SF
  // probably could just use proc->frame_rx

  // PanosQ: This an eNB MAC function. Are we allowed to call it from here?
  // Also, it is only in the nfapi-RU-RAU-split
  //subtract_subframe(&sfn, &sf, 4);


  for (int i=0;i<req->ul_config_request_body.number_of_pdus;i++)
  {
    //NFAPI_TRACE(NFAPI_TRACE_INFO, "%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
       )
    {
      //NFAPI_TRACE(NFAPI_TRACE_INFO, "%s() handle_nfapi_ul_pdu() for PDU:%d\n", __FUNCTION__, i);


      handle_nfapi_ul_pdu_UE_MAC(Mod_id,&ul_config_pdu_list[i],sfn,sf,req->ul_config_request_body.srs_present);
726
      free(UL_INFO);
727 728 729 730 731 732 733 734 735 736
    }
    else
    {
      //NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() PDU:%i UNKNOWN type :%d\n", __FUNCTION__, i, ul_config_pdu_list[i].pdu_type);
    }
  }

  return 0;
}

737 738 739 740
int tx_req_UE_MAC1( int k) {
	return 0;
}

741

742
int tx_req_UE_MAC(nfapi_tx_request_t* req)
743 744 745 746 747 748
{
  uint16_t sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  uint16_t sf = NFAPI_SFNSF2SF(req->sfn_sf);

  LOG_D(PHY,"%s() SFN/SF:%d/%d PDUs:%d\n", __FUNCTION__, sfn, sf, req->tx_request_body.number_of_pdus);

749
  //LOG_I(MAC, "Panos-D: tx_req_UE_MAC 1 \n");
750 751 752 753
  //printf("Panos-D: tx_req_UE_MAC 1 \n");
  //if (req->tx_request_body.tl.tag==NFAPI_TX_REQUEST_BODY_TAG)
  //{

754 755 756 757 758 759 760 761 762 763 764 765
    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
          );

766 767
      //tx_request_pdu_list = req->tx_request_body.tx_pdu_list;
      //tx_request_pdu[sfn][sf][i] = &req->tx_request_body.tx_pdu_list[i];
768
    }
769
  //}
770 771 772 773 774

  return 0;
}


775
int dl_config_req_UE_MAC(nfapi_dl_config_request_t* req)
776
{
777
	//LOG_I(MAC, "Panos-D: dl_config_req_UE_MAC 1 \n");
778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793
  int sfn = NFAPI_SFNSF2SFN(req->sfn_sf);
  int sf = NFAPI_SFNSF2SF(req->sfn_sf);
  module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.

  /*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;
  nfapi_dl_config_request_pdu_t *dl_config_pdu_tmp;

  /*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;*/

  //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);

794 795 796 797 798


  //LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SF:%d%d dl_pdu:%d tx_req:%d hi_dci0:%d ul_cfg:%d num_pdcch_symbols:%d\n",
  //	frame,subframe,number_dl_pdu,TX_req->tx_request_body.number_of_pdus,number_hi_dci0_pdu,number_ul_pdu, eNB->pdcch_vars[subframe&1].num_pdcch_symbols);

799 800 801
  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\n", __FUNCTION__, NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size);
802 803
	  LOG_E(MAC, "dl_config_req_UE_MAC 2 Received real ones: sfn/sf:%d.%d PDU[%d] size:%d\n", sfn, sf, i, dl_config_pdu_list[i].pdu_size);

804 805 806 807 808 809 810
    if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE)
    {
		if (dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 1) {
			// C-RNTI (Normal DLSCH case)
			dl_config_pdu_tmp = &dl_config_pdu_list[i+1];
			if (dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE){
				if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
811
					LOG_E(MAC, "dl_config_req_UE_MAC 2 Received data: sfn/sf:%d PDU[%d] size:%d\n", NFAPI_SFNSF2DEC(req->sfn_sf), i, dl_config_pdu_list[i].pdu_size);
812 813 814 815 816 817 818 819 820 821 822 823 824 825 826
					ue_send_sdu(Mod_id, 0, sfn, sf,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length,
							0);
					i++;
				}
			}
			else {
				LOG_E(MAC,"[UE %d] Frame %d, subframe %d : Cannot extract DLSCH PDU from NFAPI\n",Mod_id, sfn,sf);
			}
		}
		else if (dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 2) {
			dl_config_pdu_tmp = &dl_config_pdu_list[i+1];
			if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFF){
				//pdu = Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data;
827 828
				LOG_E(MAC,"dl_config_req_UE_MAC 3 Received SI: [PDU:%d] NFAPI_DL_CONFIG_DLSCH_PDU_TYPE TX:%d/%d RX:%d/%d transport_blocks:%d pdu_index:%d sdu:%p\n",
				            i, sfn, sf, sfn, sf, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.transport_blocks, dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index, tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data);
829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864 865 866 867 868 869 870 871 872 873 874 875 876 877
				if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
					ue_decode_si(Mod_id, 0, sfn, 0,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
					i++;
				}
			}
			else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu_list[i].dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFE){
				// P_RNTI case
				//pdu = Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data;
				if(tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL){
					ue_decode_p(Mod_id, 0, sfn, 0,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
					i++;
				}
			}
			else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {
				// RA-RNTI case

				// RNTI parameter not actually used. Provided only to comply with existing function definition.
				// Not sure about parameters to fill the preamble index.
				//rnti_t c_rnti = UE_mac_inst[Mod_id].crnti;
				rnti_t ra_rnti = UE_mac_inst[Mod_id].RA_prach_resources.ra_RNTI;
				if ((UE_mac_inst[Mod_id].UE_mode[0] != PUSCH) &&
				  (UE_mac_inst[Mod_id].RA_prach_resources.Msg3!=NULL) &&
				  (tx_request_pdu_list + dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index!= NULL)) {

					ue_process_rar(Mod_id, 0, sfn,
							ra_rnti, //RA-RNTI
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							&dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti, //t-crnti
							UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex,
							tx_request_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data);
					UE_mac_inst[Mod_id].UE_mode[0] = RA_RESPONSE;
					UE_mac_inst[Mod_id].first_ULSCH_Tx = 1; //Expecting an UL_CONFIG_ULSCH_PDU to enable Msg3 Txon (first ULSCH Txon for the UE)
				}
			}
			else {
				LOG_E(MAC,"[UE %d] %d Frame %d, subframe %d : Cannot extract DLSCH PDU from NFAPI\n",Mod_id, sfn, sf);
			}

		}
    }
    else if (dl_config_pdu_list[i].pdu_type == NFAPI_DL_CONFIG_BCH_PDU_TYPE)
    {
    	// BCH case
    	// Last parameter is 1 if first time synchronization and zero otherwise. Not sure which value to put
    	// for our case.
878
    	LOG_E(MAC,"dl_config_req_UE_MAC 4 Received MIB: sfn/sf: %d.%d \n", sfn, sf);
879 880 881 882 883 884
    	dl_phy_sync_success(Mod_id,sfn,0, 0);

    }

    else
    {
885
      //NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() UNKNOWN:%d\n", __FUNCTION__, dl_config_pdu_list[i].pdu_type);
886 887
    }
  }
888
  //deallocate_mem_nfapi_dl
889 890 891 892

  if(req->vendor_extension)
    free(req->vendor_extension);

893 894 895 896
  /*if(tx_request_pdu_list)
	  free(tx_request_pdu_list);
  free(req);*/

897 898 899 900
  return 0;
}


901 902 903 904 905 906
int deallocate_mem_nfapi_dl(nfapi_dl_config_request_t* req, nfapi_tx_request_pdu_t* tx_pdu_list){

}



907

908
int hi_dci0_req_UE_MAC(nfapi_hi_dci0_request_t* req)
909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 935 936 937 938 939 940 941 942 943 944 945 946 947 948 949
{
  LOG_D(PHY,"[UE-PHY_STUB] hi dci0 request sfn_sf:%d number_of_dci:%d number_of_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);

  module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.

  /*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,"[UE-PHY_STUB] 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,"[UE-PHY_STUB] HI_DCI0_REQ sfn_sf:%d PDU[%d] - NFAPI_HI_DCI0_DCI_PDU_TYPE not used \n", NFAPI_SFNSF2DEC(req->sfn_sf), i);

    }
    else if (req->hi_dci0_request_body.hi_dci0_pdu_list[i].pdu_type == NFAPI_HI_DCI0_HI_PDU_TYPE)
    {
      LOG_D(PHY,"[UE-PHY_STUB] 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];

      // This is meaningful only after ACKnowledging the first ULSCH Txon (i.e. Msg3)
      if(hi_dci0_req_pdu->hi_pdu.hi_pdu_rel8.hi_value == 1 && UE_mac_inst[Mod_id].first_ULSCH_Tx == 1){
    	  UE_mac_inst[Mod_id].UE_mode[0] = PUSCH;
    	  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
      }

    }
    else
    {
      LOG_E(PHY,"[UE-PHY_STUB] 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;
}

950 951 952 953




954 955
// The following set of memcpy functions should be getting called as callback functions from
// pnf_p7_subframe_ind.
956
int memcpy_dl_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req)
957
{
958

959
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978
	UE_mac_inst[Mod_id].dl_config_req = (nfapi_dl_config_request_t*)malloc(sizeof(nfapi_dl_config_request_t));
	LOG_I(MAC, "Panos-D: memcpy_dl_config_req 1 \n");


	UE_mac_inst[Mod_id].dl_config_req->sfn_sf = req->sfn_sf;
	UE_mac_inst[Mod_id].dl_config_req->vendor_extension = req->vendor_extension;

	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.number_dci = req->dl_config_request_body.number_dci;
	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.number_pdcch_ofdm_symbols = req->dl_config_request_body.number_pdcch_ofdm_symbols;
	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.number_pdsch_rnti = req->dl_config_request_body.number_pdsch_rnti;
	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.number_pdu = req->dl_config_request_body.number_pdu;
	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.tl = req->dl_config_request_body.tl;

	UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.dl_config_pdu_list = (nfapi_dl_config_request_pdu_t*) malloc(req->dl_config_request_body.number_pdu*sizeof(nfapi_dl_config_request_pdu_t));
	for(int i=0; i<UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.number_pdu; i++) {
		UE_mac_inst[Mod_id].dl_config_req->dl_config_request_body.dl_config_pdu_list[i] = req->dl_config_request_body.dl_config_pdu_list[i];
	}

	//UE_mac_inst[Mod_id].dl_config_req = req;
979
	return 0;
980

981 982
}

983
int memcpy_ul_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req)
984
{
985
	LOG_I(MAC, "Panos-D: memcpy_ul_config_req 1 \n");
986 987
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
	UE_mac_inst[Mod_id].ul_config_req = req;
988
	return 0;
989 990
}

991
int memcpy_tx_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req)
992
{
993 994 995 996 997 998
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
	//LOG_I(MAC, "Panos-D: memcpy_tx_req 1, req->tx_request_body.number_of_pdus: %d \n", req->tx_request_body.number_of_pdus);
	//LOG_I(MAC, "Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].pdu_length: %d \n", req->tx_request_body.tx_pdu_list[0].pdu_length);
	//LOG_I(MAC, "Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].pdu_index: %d \n", req->tx_request_body.tx_pdu_list[0].pdu_index);
	//LOG_I(MAC, "Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].num_segments: %d \n", req->tx_request_body.tx_pdu_list[0].num_segments);
	//LOG_I(MAC, "Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].segments[j].segment_data: %d \n", *req->tx_request_body.tx_pdu_list[0].segments[0].segment_data);
999 1000 1001 1002 1003 1004
	//printf("Panos-D: memcpy_tx_req 1, req->tx_request_body.number_of_pdus: %d \n", req->tx_request_body.number_of_pdus);
	//printf("Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].pdu_length: %d \n", req->tx_request_body.tx_pdu_list[0].pdu_length);
	//printf("Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].pdu_index: %d \n", req->tx_request_body.tx_pdu_list[0].pdu_index);
	//printf("Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].num_segments: %d \n", req->tx_request_body.tx_pdu_list[0].num_segments);
	//printf("Panos-D: memcpy_tx_req 1, req->tx_request_body.tx_pdu_list[i].segments[j].segment_data: %d \n", *req->tx_request_body.tx_pdu_list[0].segments[0].segment_data);

1005

1006 1007 1008 1009 1010 1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030

	int num_elem = req->tx_request_body.number_of_pdus;
	tx_request_pdu_list = (nfapi_tx_request_pdu_t*) malloc(num_elem*sizeof(nfapi_tx_request_pdu_t));
	//UE_mac_inst[Mod_id].tx_req = (nfapi_tx_request_t*) malloc(sizeof(nfapi_tx_request_t));
	//memcpy(UE_mac_inst[Mod_id].tx_req, req, sizeof(req));
	for (int i=0; i<num_elem; i++) {
		tx_request_pdu_list[i].num_segments = req->tx_request_body.tx_pdu_list[i].num_segments;
		tx_request_pdu_list[i].pdu_index = req->tx_request_body.tx_pdu_list[i].pdu_index;
		tx_request_pdu_list[i].pdu_length = req->tx_request_body.tx_pdu_list[i].pdu_length;
		for (int j=0; j<req->tx_request_body.tx_pdu_list[i].num_segments; j++){
			//*tx_request_pdu_list[i].segments[j].segment_data = *req->tx_request_body.tx_pdu_list[i].segments[j].segment_data;
			tx_request_pdu_list[i].segments[j].segment_length = req->tx_request_body.tx_pdu_list[i].segments[j].segment_length;
			if(tx_request_pdu_list[i].segments[j].segment_length > 0){
			tx_request_pdu_list[i].segments[j].segment_data = (uint8_t*)malloc(tx_request_pdu_list[i].segments[j].segment_length*sizeof (uint8_t));
			memcpy(tx_request_pdu_list[i].segments[j].segment_data, req->tx_request_body.tx_pdu_list[i].segments[j].segment_data, tx_request_pdu_list[i].segments[j].segment_length);
			}
			//tx_request_pdu_list[i].segments[j].segment_length = req->tx_request_body.tx_pdu_list[i].segments[j].segment_length;
		}

		//tx_request_pdu_list[i].segments = req->tx_request_body.tx_pdu_list[i].segments;
	}


	// Panos: Old way. Not possible to use because by the time we call tx_req_UE_MAC tx_req memory has been deallocated within nfapi.
	//UE_mac_inst[Mod_id].tx_req = req;
1031
	return 0;
1032 1033
}

1034
int memcpy_hi_dci0_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t* req)
1035 1036 1037
{
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
	UE_mac_inst[Mod_id].hi_dci0_req = req;
1038
	return 0;
1039 1040
}

1041 1042


1043 1044
/*void handle_nfapi_UE_Rx(uint8_t Mod_id, Sched_Rsp_t *Sched_INFO, int eNB_id){
	// copy data from eNB L2 interface to UE L2 interface
1045

1046 1047 1048 1049 1050
	int 					   CC_id	   = Sched_INFO->CC_id;
	nfapi_dl_config_request_t *DL_req      = Sched_INFO->DL_req;
	nfapi_tx_request_t        *Tx_req      = Sched_INFO->TX_req;
	frame_t                   frame        = Sched_INFO->frame;
	sub_frame_t               subframe     = Sched_INFO->subframe;
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	uint8_t number_dl_pdu             = DL_req->dl_config_request_body.number_pdu;
	nfapi_dl_config_request_pdu_t *dl_config_pdu;
	nfapi_dl_config_request_pdu_t *dl_config_pdu_tmp;
	int i = 0;
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	for (i=0; i<number_dl_pdu; i++)
	{
		dl_config_pdu = &DL_req->dl_config_request_body.dl_config_pdu_list[i];
		switch (dl_config_pdu->pdu_type) {
		case NFAPI_DL_CONFIG_BCH_PDU_TYPE:
			// BCH case
			// Last parameter is 1 if first time synchronization and zero otherwise. Not sure which value to put
			// for our case.
			dl_phy_sync_success(Mod_id,frame,eNB_id, 0);
			break;
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		case NFAPI_DL_CONFIG_DCI_DL_PDU_TYPE:
			if (dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 1) {
				// C-RNTI (Normal DLSCH case)
				dl_config_pdu_tmp = &DL_req->dl_config_request_body.dl_config_pdu_list[i+1];
				if (dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE){
					ue_send_sdu(Mod_id, CC_id, frame, subframe,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length,
							eNB_id);
					i++;
				}
				else {
					LOG_E(MAC,"[UE %d] CCid %d Frame %d, subframe %d : Cannot extract DLSCH PDU from NFAPI\n",Mod_id, CC_id,frame,subframe);
				}
			}
			else if (dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti_type == 2) {
				dl_config_pdu_tmp = &DL_req->dl_config_request_body.dl_config_pdu_list[i+1];
				if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFF){
					//pdu = Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data;
					// Question about eNB_index here. How do we obtain it?
					ue_decode_si(Mod_id, CC_id, frame, eNB_id,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
					i++;
				}
				else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE && dl_config_pdu->dci_dl_pdu.dci_dl_pdu_rel8.rnti == 0xFFFE){
					// P_RNTI case
					//pdu = Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data;
					// Question about eNB_index here. How do we obtain it?
					ue_decode_p(Mod_id, CC_id, frame, eNB_id,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
							Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_length);
					i++;
				}
				else if(dl_config_pdu_tmp->pdu_type == NFAPI_DL_CONFIG_DLSCH_PDU_TYPE) {
					// RA-RNTI case
					// ue_process_rar should be called but the problem is that this function currently uses PHY_VARS_UE
					// elements.
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					// RNTI parameter not actually used. Provided only to comply with existing function definition.
					// Not sure about parameters to fill the preamble index.
					//rnti_t c_rnti = UE_mac_inst[Mod_id].crnti;
					rnti_t ra_rnti = UE_mac_inst[Mod_id].RA_prach_resources.ra_RNTI;
					if ((UE_mac_inst[Mod_id].UE_mode[0] != PUSCH) &&
					  (UE_mac_inst[Mod_id].RA_prach_resources.Msg3!=NULL)) {
						ue_process_rar(Mod_id, CC_id, frame,
								ra_rnti, //RA-RNTI
								Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data,
								&dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.rnti, //t-crnti
								UE_mac_inst[Mod_id].RA_prach_resources.ra_PreambleIndex,
								Tx_req->tx_request_body.tx_pdu_list[dl_config_pdu_tmp->dlsch_pdu.dlsch_pdu_rel8.pdu_index].segments[0].segment_data);
						UE_mac_inst[Mod_id].UE_mode[0] = RA_RESPONSE;
						UE_mac_inst[Mod_id].first_ULSCH_Tx = 1; //Expecting an UL_CONFIG_ULSCH_PDU to enable Msg3 Txon (first ULSCH Txon for the UE)
					}
				}
				else {
					LOG_E(MAC,"[UE %d] CCid %d Frame %d, subframe %d : Cannot extract DLSCH PDU from NFAPI\n",Mod_id, CC_id,frame,subframe);
				}
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			}
			break;
		}
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	}
1132 1133


1134
}*/
1135