phy_stub_UE.c 46.2 KB
Newer Older
1 2 3 4

//#include "openair1/PHY/defs.h"
//#include "openair2/PHY_INTERFACE/IF_Module.h"
//#include "openair1/PHY/extern.h"
5 6 7 8 9
#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"
10 11
//#include "common/ran_context.h"
#include "openair2/PHY_INTERFACE/phy_stub_UE.h"
12 13 14
//#include "nfapi_pnf_interface.h"
//#include "nfapi.h"
//#include "nfapi_pnf.h"
15 16


17 18


19 20
//extern uint8_t nfapi_pnf;
//UL_IND_t *UL_INFO;
21

22 23 24
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);

25

26 27

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)
28 29 30 31 32 33
{
	  nfapi_rx_indication_pdu_t *pdu;

	  int timing_advance_update;
	  //int sync_pos;

34 35 36 37
	  //uint32_t harq_pid = subframe2harq_pid(&eNB->frame_parms,
	 //					frame,subframe);

	  //UL_IND_t *UL_INFO = (UL_IND_t*)malloc16(sizeof(UL_IND_t));
38 39 40 41 42 43 44 45 46 47 48


	  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;

	  pdu                                    = &UL_INFO->rx_ind.rx_pdu_list[UL_INFO->rx_ind.number_of_pdus];

	  //  pdu->rx_ue_information.handle          = eNB->ulsch[UE_id]->handle;
	  pdu->rx_ue_information.tl.tag          = NFAPI_RX_UE_INFORMATION_TAG;
49
	  pdu->rx_ue_information.rnti            = rnti;
50 51 52 53 54 55 56 57 58 59 60
	  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);}
61
	  //  if (timing_advance_update < -10) { dump_ulsch(eNB,frame,subframe,UE_id); exit(-1);}*/
62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108
	  /*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);*/

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


}

109
void fill_sr_indication_UE_MAC(int Mod_id,int frame,int subframe, UL_IND_t *UL_INFO, uint16_t rnti) {
110 111 112 113 114 115 116

  pthread_mutex_lock(&UE_mac_inst[Mod_id].UL_INFO_mutex);
  nfapi_sr_indication_pdu_t *pdu =   &UL_INFO->sr_ind.sr_pdu_list[UL_INFO->rx_ind.number_of_pdus];

  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;
117
  pdu->rx_ue_information.rnti                         = rnti; //UE_mac_inst[Mod_id].crnti;; //Panos: Is this the right RNTI?
118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156


  // 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;

  UL_INFO->rx_ind.number_of_pdus++;
  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);
  nfapi_crc_indication_pdu_t *pdu =   &UL_INFO->crc_ind.crc_pdu_list[UL_INFO->crc_ind.number_of_crcs];

  //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;

  UL_INFO->crc_ind.number_of_crcs++;

  LOG_D(PHY, "%s() rnti:%04x pdus:%d\n", __FUNCTION__, pdu->rx_ue_information.rnti, UL_INFO->crc_ind.number_of_crcs);

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

157 158 159 160 161 162 163 164 165 166 167 168 169 170
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);

	    UL_INFO->rach_ind.number_of_preambles                 = 1;
	    //eNB->UL_INFO.rach_ind.preamble_list                       = &eNB->preamble_list[0];
	    UL_INFO->rach_ind.tl.tag                              = NFAPI_RACH_INDICATION_BODY_TAG;

	    UL_INFO->rach_ind.preamble_list[0].preamble_rel8.tl.tag   		= NFAPI_PREAMBLE_REL8_TAG;
	    UL_INFO->rach_ind.preamble_list[0].preamble_rel8.timing_advance = 0; //Panos: Not sure about that

	    //Panos: The two following should get extracted from the call to get_prach_resources().
	    UL_INFO->rach_ind.preamble_list[0].preamble_rel8.preamble = ra_PreambleIndex;
	    UL_INFO->rach_ind.preamble_list[0].preamble_rel8.rnti 	  = ra_RNTI;
171
	    UL_INFO->rach_ind.number_of_preambles++;
172 173 174 175 176 177 178 179 180


	    UL_INFO->rach_ind.preamble_list[0].preamble_rel13.rach_resource_type = 0;
	    UL_INFO->rach_ind.preamble_list[0].instance_length					 = 0;


	        // If NFAPI PNF then we need to send the message to the VNF
	        //if (nfapi_pnf == 1)
	        //{
181 182 183 184 185 186 187 188
	        //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;*/
189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206

	          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",
	        	  UL_INFO->rach_ind.preamble_list[0].preamble_rel8.timing_advance,
	        	  UL_INFO->rach_ind.preamble_list[0].preamble_rel8.preamble,
	        	  UL_INFO->rach_ind.preamble_list[0].preamble_rel8.rnti,
	        	  UL_INFO->rach_ind.preamble_list[0].preamble_rel13.rach_resource_type);

	          //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);

}

207
void fill_ulsch_cqi_indication_UE_MAC(int Mod_id, uint16_t frame,uint8_t subframe, UL_IND_t *UL_INFO, uint16_t rnti) {
208 209 210 211
	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];

212
	pdu->rx_ue_information.rnti = rnti;
213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246
	//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);

}

247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491
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);
  nfapi_harq_indication_pdu_t *pdu =   &UL_INFO->harq_ind.harq_pdu_list[UL_INFO->harq_ind.number_of_harqs];
  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);
      }
    }
  }*/

  UL_INFO->harq_ind.number_of_harqs++;
  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);
  nfapi_harq_indication_pdu_t *pdu =   &UL_INFO->harq_ind.harq_pdu_list[UL_INFO->harq_ind.number_of_harqs];

  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*/


  UL_INFO->harq_ind.number_of_harqs++;
  LOG_E(PHY,"Incremented eNB->UL_INFO.harq_ind.number_of_harqs:%d\n", UL_INFO->harq_ind.number_of_harqs);
  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){
492 493 494 495 496 497 498 499 500 501 502
    	if(UE_mac_inst[Mod_id].first_ULSCH_Tx){ // Msg3 case
    		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);
    		UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
    	}
    	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);
    	}
503 504 505 506 507 508 509 510 511 512 513 514
    }
  }

  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){
515 516 517 518 519 520 521 522 523 524 525 526
		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx){ // Msg3 case
			  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);
			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
		  }
		  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);
		  }

527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542
	  }

	  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){
543 544 545 546 547 548 549 550 551 552 553
		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx){ // Msg3 case
			  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);
			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
		  }
		  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);
		  }
554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
	  }
	  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){
570 571 572 573 574 575 576 577 578 579 580
		  if(UE_mac_inst[Mod_id].first_ULSCH_Tx){ // Msg3 case
			  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);
			  UE_mac_inst[Mod_id].first_ULSCH_Tx = 0;
		  }
		  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);
		  }
581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640
	  }

	  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);
  }*/
}






641
int ul_config_req_UE_MAC(nfapi_ul_config_request_t* req)
642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684
{
  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));

685
  //Panos: Additional checks needed here to check if the UE is in PRACH mode.
686
  uint8_t is_rach = req->ul_config_request_body.rach_prach_frequency_resources;
687
  if(is_rach && UE_mac_inst[Mod_id].UE_mode[0] == PRACH) {
688 689
	  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);
690
	  Msg1_transmitted(Mod_id, 0, sfn, 0);
691 692
  }

693

694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729
  // 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);
    }
    else
    {
      //NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() PDU:%i UNKNOWN type :%d\n", __FUNCTION__, i, ul_config_pdu_list[i].pdu_type);
    }
  }

  return 0;
}

730 731 732 733
int tx_req_UE_MAC1( int k) {
	return 0;
}

734

735
int tx_req_UE_MAC(nfapi_tx_request_t* req)
736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764
{
  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);

  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_list = req->tx_request_body.tx_pdu_list;
      //tx_request_pdu_UE_MAC[sfn][sf][i] = &req->tx_request_body.tx_pdu_list[i];
    }
  }

  return 0;
}


765
int dl_config_req_UE_MAC(nfapi_dl_config_request_t* req)
766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862 863 864
{

  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);

  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);

    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){
					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;
				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.
    	dl_phy_sync_success(Mod_id,sfn,0, 0);

    }

    else
    {
865
      //NFAPI_TRACE(NFAPI_TRACE_ERROR, "%s() UNKNOWN:%d\n", __FUNCTION__, dl_config_pdu_list[i].pdu_type);
866 867 868 869 870 871 872 873 874 875
    }
  }

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

  return 0;
}


876

877
int hi_dci0_req_UE_MAC(nfapi_hi_dci0_request_t* req)
878 879 880 881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
{
  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;
}

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
// The following set of memcpy functions should be getting called as callback functions from
// pnf_p7_subframe_ind.
void memcpy_dl_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_dl_config_request_t* req)
{
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
	UE_mac_inst[Mod_id].dl_config_req = req;
}

void memcpy_ul_config_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_ul_config_request_t* req)
{
	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;
}

void memcpy_tx_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_tx_request_t* req)
{
	module_id_t Mod_id = 0; //Panos: Currently static (only for one UE) but this should change.
	UE_mac_inst[Mod_id].tx_req = req;
}

void memcpy_hi_dci0_req (nfapi_pnf_p7_config_t* pnf_p7, nfapi_hi_dci0_request_t* req)
{
	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;
}

945 946


947 948
/*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
949

950 951 952 953 954
	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;
955

956 957 958 959
	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;
960

961 962 963 964 965 966 967 968 969 970
	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;
971

972 973 974 975 976 977 978 979 980 981 982 983 984 985 986 987 988 989 990 991 992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009
		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.
1010

1011 1012 1013 1014 1015 1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029
					// 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);
				}
1030

1031 1032 1033
			}
			break;
		}
1034

1035
	}
1036 1037


1038
}*/
1039