lte-enb.c 31.1 KB
Newer Older
1 2 3 4 5
/*
 * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The OpenAirInterface Software Alliance licenses this file to You under
6
 * the OAI Public License, Version 1.1  (the "License"); you may not use this file
7 8 9 10 11 12 13 14 15 16 17 18 19 20
 * except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.openairinterface.org/?page_id=698
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 *-------------------------------------------------------------------------------
 * For more information about the OpenAirInterface (OAI) Software Alliance:
 *      contact@openairinterface.org
 */
21 22 23 24 25 26 27 28 29 30 31

/*! \file lte-enb.c
 * \brief Top-level threads for eNodeB
 * \author R. Knopp, F. Kaltenberger, Navid Nikaein
 * \date 2012
 * \version 0.1
 * \company Eurecom
 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
 * \note
 * \warning
 */
32

Raymond Knopp's avatar
Raymond Knopp committed
33 34
#define _GNU_SOURCE
#include <pthread.h>
35

36 37
#include "time_utils.h"

38 39
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all

40 41
#include "rt_wrapper.h"

42
#include "assertions.h"
43

44 45 46 47 48 49 50 51 52 53 54

#include "PHY/types.h"

#include "PHY/defs.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all

#include "../../ARCH/COMMON/common_lib.h"

//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all

55
#include "PHY/LTE_TRANSPORT/if4_tools.h"
56
#include "PHY/LTE_TRANSPORT/if5_tools.h"
57

58 59 60 61 62 63 64 65 66 67 68
#include "PHY/extern.h"
#include "SCHED/extern.h"
#include "LAYER2/MAC/extern.h"

#include "../../SIMU/USER/init_lte.h"

#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/extern.h"
#include "LAYER2/MAC/proto.h"
#include "RRC/LITE/extern.h"
#include "PHY_INTERFACE/extern.h"
69
#include "PHY_INTERFACE/defs.h"
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
#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
#include "UTIL/LOG/log_extern.h"
#include "UTIL/OTG/otg_tx.h"
#include "UTIL/OTG/otg_externs.h"
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "enb_config.h"
//#include "PHY/TOOLS/time_meas.h"

#ifndef OPENAIR2
#include "UTIL/OTG/otg_extern.h"
#endif

#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
#ifdef PDCP_USE_NETLINK
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
# endif
#endif

Rohit Gupta's avatar
Rohit Gupta committed
96 97
#include "T.h"

98 99 100 101 102 103 104 105 106 107
//#define DEBUG_THREADS 1

//#define USRP_DEBUG 1
struct timing_info_t {
  //unsigned int frame, hw_slot, last_slot, next_slot;
  RTIME time_min, time_max, time_avg, time_last, time_now;
  //unsigned int mbox0, mbox1, mbox2, mbox_target;
  unsigned int n_samples;
} timing_info;

108 109
// Fix per CC openair rf/if device update
// extern openair0_device openair0;
110

111

112 113 114 115 116 117 118 119
#if defined(ENABLE_ITTI)
extern volatile int             start_eNB;
extern volatile int             start_UE;
#endif
extern volatile int                    oai_exit;

extern openair0_config_t openair0_cfg[MAX_CARDS];

Cedric Roux's avatar
Cedric Roux committed
120
extern int transmission_mode;
121

122 123
extern int oaisim_flag;

124
//pthread_t                       main_eNB_thread;
125 126 127

time_stats_t softmodem_stats_mt; // main thread
time_stats_t softmodem_stats_hw; //  hw acquisition
128
time_stats_t softmodem_stats_rxtx_sf; // total tx time
129
time_stats_t softmodem_stats_rx_sf; // total rx time
130 131 132 133 134 135 136 137 138

/* mutex, cond and variable to serialize phy proc TX calls
 * (this mechanism may be relaxed in the future for better
 * performances)
 */
static struct {
  pthread_mutex_t  mutex_phy_proc_tx;
  pthread_cond_t   cond_phy_proc_tx;
  volatile uint8_t phy_proc_CC_id;
139
} sync_phy_proc;
140

141 142
extern double cpuf;

143 144
void exit_fun(const char* s);

145
void init_eNB(int,int);
146
void stop_eNB(int nb_inst);
147 148


149
void wakeup_prach_eNB(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe);
150 151 152
#ifdef Rel14
void wakeup_prach_eNB_br(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe);
#endif
153

Raymond Knopp's avatar
Raymond Knopp committed
154 155 156
static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_name) {

  start_meas(&softmodem_stats_rxtx_sf);
157

Raymond Knopp's avatar
Raymond Knopp committed
158 159
  // ****************************************
  // Common RX procedures subframe n
160

Cedric Roux's avatar
Cedric Roux committed
161 162
  T(T_ENB_PHY_DL_TICK, T_INT(eNB->Mod_id), T_INT(proc->frame_tx), T_INT(proc->subframe_tx));

163
  // if this is IF5 or 3GPP_eNB
164 165 166 167 168 169
  if (eNB->RU_list[0]->function < NGFI_RAU_IF4p5) {
    wakeup_prach_eNB(eNB,NULL,proc->frame_rx,proc->subframe_rx);
#ifdef Rel14
    wakeup_prach_eNB_br(eNB,NULL,proc->frame_rx,proc->subframe_rx);
#endif
  }
Raymond Knopp's avatar
Raymond Knopp committed
170
  // UE-specific RX processing for subframe n
171
  phy_procedures_eNB_uespec_RX(eNB, proc, no_relay );
172 173

  pthread_mutex_lock(&eNB->UL_INFO_mutex);
174 175 176 177 178
  eNB->UL_INFO.frame     = proc->frame_rx;
  eNB->UL_INFO.subframe  = proc->subframe_rx;
  eNB->UL_INFO.module_id = eNB->Mod_id;
  eNB->UL_INFO.CC_id     = eNB->CC_id;
  eNB->if_inst->UL_indication(&eNB->UL_INFO);
179
  pthread_mutex_unlock(&eNB->UL_INFO_mutex);
Raymond Knopp's avatar
Raymond Knopp committed
180 181 182 183 184
  // *****************************************
  // TX processing for subframe n+4
  // run PHY TX procedures the one after the other for all CCs to avoid race conditions
  // (may be relaxed in the future for performance reasons)
  // *****************************************
185
  //if (wait_CCs(proc)<0) return(-1);
Raymond Knopp's avatar
Raymond Knopp committed
186
  
187 188

  
Raymond Knopp's avatar
Raymond Knopp committed
189 190
  if (oai_exit) return(-1);
  
191
  phy_procedures_eNB_TX(eNB, proc, no_relay, NULL, 1);
Raymond Knopp's avatar
Raymond Knopp committed
192 193 194 195 196 197 198 199
  
  if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1);

  stop_meas( &softmodem_stats_rxtx_sf );
  
  return(0);
}

200

201
/*!
202
 * \brief The RX UE-specific and TX thread of eNB.
203 204 205
 * \param param is a \ref eNB_proc_t structure which contains the info what to process.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
206

207 208
static void* eNB_thread_rxtx( void* param ) {

209
  static int eNB_thread_rxtx_status;
210

211
  eNB_rxtx_proc_t *proc = (eNB_rxtx_proc_t*)param;
212
  PHY_VARS_eNB *eNB = RC.eNB[0][proc->CC_id];
213

Raymond Knopp's avatar
Raymond Knopp committed
214 215
  char thread_name[100];

216

217
  // set default return value
218
  eNB_thread_rxtx_status = 0;
219 220


Raymond Knopp's avatar
Raymond Knopp committed
221
  sprintf(thread_name,"RXn_TXnp4_%d\n",&eNB->proc.proc_rxtx[0] == proc ? 0 : 1);
222
  thread_top_init(thread_name,1,850000L,1000000L,2000000L);
223 224

  while (!oai_exit) {
225
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
226

Raymond Knopp's avatar
Raymond Knopp committed
227
    if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
228

229
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 1 );
230

Raymond Knopp's avatar
Raymond Knopp committed
231
    
232
  
233 234
    if (oai_exit) break;

235 236
    if (eNB->CC_id==0)
      if (rxtx(eNB,proc,thread_name) < 0) break;
237

Raymond Knopp's avatar
Raymond Knopp committed
238
  } // while !oai_exit
239

240
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
241

Raymond Knopp's avatar
Raymond Knopp committed
242
  printf( "Exiting eNB thread RXn_TXnp4\n");
243

244 245
  eNB_thread_rxtx_status = 0;
  return &eNB_thread_rxtx_status;
246 247
}

248

Raymond Knopp's avatar
Raymond Knopp committed
249 250
#if 0 //defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
// Wait for eNB application initialization to be complete (eNB registration to MME)
251 252
static void wait_system_ready (char *message, volatile int *start_flag) {
  
253
  static char *indicator[] = {".    ", "..   ", "...  ", ".... ", ".....",
254
			      " ....", "  ...", "   ..", "    .", "     "};
255 256 257 258 259 260 261
  int i = 0;
  
  while ((!oai_exit) && (*start_flag == 0)) {
    LOG_N(EMU, message, indicator[i]);
    fflush(stdout);
    i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
    usleep(200000);
262
  }
263 264
  
  LOG_D(EMU,"\n");
265 266
}
#endif
267

Raymond Knopp's avatar
Raymond Knopp committed
268 269


270

Raymond Knopp's avatar
Raymond Knopp committed
271

Cedric Roux's avatar
Cedric Roux committed
272 273
void eNB_top(PHY_VARS_eNB *eNB, int frame_rx, int subframe_rx, char *string)
{
274 275
  eNB_proc_t *proc           = &eNB->proc;
  eNB_rxtx_proc_t *proc_rxtx = &proc->proc_rxtx[0];
276

277 278
  proc->frame_rx    = frame_rx;
  proc->subframe_rx = subframe_rx;
Raymond Knopp's avatar
Raymond Knopp committed
279

Cedric Roux's avatar
Cedric Roux committed
280
  if (!oai_exit) {
281
    LOG_D(PHY,"eNB_top in %p (proc %p, CC_id %d), frame %d, subframe %d, instance_cnt_prach %d\n",
Raymond Knopp's avatar
Raymond Knopp committed
282
	  (void*)pthread_self(), proc, eNB->CC_id, proc->frame_rx,proc->subframe_rx,proc->instance_cnt_prach);
Raymond Knopp's avatar
Raymond Knopp committed
283

284
    T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->subframe_rx));
Raymond Knopp's avatar
Raymond Knopp committed
285

286 287 288 289 290 291
    proc_rxtx->subframe_rx = proc->subframe_rx;
    proc_rxtx->frame_rx    = proc->frame_rx;
    proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10;
    proc_rxtx->frame_tx    = (proc->subframe_rx>5) ? (1+proc->frame_rx)&1023 : proc->frame_rx;
    proc->frame_tx         = proc_rxtx->frame_tx;
    proc_rxtx->timestamp_tx = proc->timestamp_tx;
Raymond Knopp's avatar
Raymond Knopp committed
292

Eurecom's avatar
Eurecom committed
293 294 295 296 297
    VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_ENB, proc_rxtx->frame_rx );
    VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_RX0_ENB, proc_rxtx->subframe_rx);
    VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB, proc_rxtx->frame_tx );
    VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB, proc_rxtx->subframe_tx);

298
    if (rxtx(eNB,proc_rxtx,string) < 0) LOG_E(PHY,"eNB %d CC_id %d failed during execution\n",eNB->Mod_id,eNB->CC_id);
Eurecom's avatar
Eurecom committed
299

300
    LOG_D(PHY,"eNB_top out %p (proc %p, CC_id %d), frame %d, subframe %d, instance_cnt_prach %d\n",
Raymond Knopp's avatar
Raymond Knopp committed
301
	  (void*)pthread_self(), proc, eNB->CC_id, proc->frame_rx,proc->subframe_rx,proc->instance_cnt_prach);
302
  }
Raymond Knopp's avatar
Raymond Knopp committed
303 304 305
}


306 307 308 309 310 311 312
int wakeup_rxtx(PHY_VARS_eNB *eNB,RU_t *ru) {

  eNB_proc_t *proc=&eNB->proc;

  eNB_rxtx_proc_t *proc_rxtx=&proc->proc_rxtx[proc->frame_rx&1];

  LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
313 314 315 316

  int i;
  struct timespec wait;
  
317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337
  pthread_mutex_lock(&proc->mutex_RU);
  for (i=0;i<eNB->num_RU;i++) {
    if (ru == eNB->RU_list[i]) {
      if ((proc->RU_mask&(1<<i)) > 0)
	LOG_E(PHY,"eNB %d frame %d, subframe %d : previous information from RU %d (num_RU %d,mask %x) has not been served yet!\n",
	      eNB->Mod_id,proc->frame_rx,proc->subframe_rx,ru->idx,eNB->num_RU,proc->RU_mask);
      proc->RU_mask |= (1<<i);
    }
  }
  if (proc->RU_mask != (1<<eNB->num_RU)-1) {  // not all RUs have provided their information so return
    pthread_mutex_unlock(&proc->mutex_RU);
    return(0);
  }
  else { // all RUs have provided their information so continue on and wakeup eNB processing
    proc->RU_mask = 0;
    pthread_mutex_unlock(&proc->mutex_RU);
  }




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
  wait.tv_sec=0;
  wait.tv_nsec=5000000L;

  /* accept some delay in processing - up to 5ms */
  for (i = 0; i < 10 && proc_rxtx->instance_cnt_rxtx == 0; i++) {
    LOG_W( PHY,"[eNB] Frame %d, eNB RXn-TXnp4 thread busy!! (cnt_rxtx %i)\n", proc_rxtx->frame_tx, proc_rxtx->instance_cnt_rxtx);
    usleep(500);
  }
  if (proc_rxtx->instance_cnt_rxtx == 0) {
    exit_fun( "TX thread busy" );
    return(-1);
  }

  // wake up TX for subframe n+4
  // lock the TX mutex and make sure the thread is ready
  if (pthread_mutex_timedlock(&proc_rxtx->mutex_rxtx,&wait) != 0) {
    LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RXTX thread %d (IC %d)\n", proc_rxtx->subframe_rx&1,proc_rxtx->instance_cnt_rxtx );
    exit_fun( "error locking mutex_rxtx" );
    return(-1);
  }
  
  ++proc_rxtx->instance_cnt_rxtx;
  
  // We have just received and processed the common part of a subframe, say n. 
  // TS_rx is the last received timestamp (start of 1st slot), TS_tx is the desired 
  // transmitted timestamp of the next TX slot (first).
  // The last (TS_rx mod samples_per_frame) was n*samples_per_tti, 
Raymond Knopp's avatar
Raymond Knopp committed
365 366
  // we want to generate subframe (n+4), so TS_tx = TX_rx+4*samples_per_tti,
  // and proc->subframe_tx = proc->subframe_rx+4
367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384
  proc_rxtx->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti);
  proc_rxtx->frame_rx     = proc->frame_rx;
  proc_rxtx->subframe_rx  = proc->subframe_rx;
  proc_rxtx->frame_tx     = (proc_rxtx->subframe_rx > 5) ? (proc_rxtx->frame_rx+1)&1023 : proc_rxtx->frame_rx;
  proc_rxtx->subframe_tx  = (proc_rxtx->subframe_rx + 4)%10;
  
  // the thread can now be woken up
  if (pthread_cond_signal(&proc_rxtx->cond_rxtx) != 0) {
    LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RXn-TXnp4 thread\n");
    exit_fun( "ERROR pthread_cond_signal" );
    return(-1);
  }
  
  pthread_mutex_unlock( &proc_rxtx->mutex_rxtx );

  return(0);
}

385
void wakeup_prach_eNB(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe) {
386 387 388

  eNB_proc_t *proc = &eNB->proc;
  LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
389
  int i;
390

391 392 393 394
  if (ru!=NULL) {
    pthread_mutex_lock(&proc->mutex_RU_PRACH);
    for (i=0;i<eNB->num_RU;i++) {
      if (ru == eNB->RU_list[i]) {
Raymond Knopp's avatar
Raymond Knopp committed
395
	LOG_D(PHY,"frame %d, subframe %d: RU %d for eNB %d signals PRACH (mask %x, num_RU %d)\n",frame,subframe,i,eNB->Mod_id,proc->RU_mask_prach,eNB->num_RU);
396 397
	if ((proc->RU_mask_prach&(1<<i)) > 0)
	  LOG_E(PHY,"eNB %d frame %d, subframe %d : previous information (PRACH) from RU %d (num_RU %d, mask %x) has not been served yet!\n",
398
		eNB->Mod_id,frame,subframe,ru->idx,eNB->num_RU,proc->RU_mask_prach);
399 400 401 402 403
	proc->RU_mask_prach |= (1<<i);
      }
    }
    if (proc->RU_mask_prach != (1<<eNB->num_RU)-1) {  // not all RUs have provided their information so return
      pthread_mutex_unlock(&proc->mutex_RU_PRACH);
Raymond Knopp's avatar
Raymond Knopp committed
404
      return;
405 406 407 408 409 410 411
    }
    else { // all RUs have provided their information so continue on and wakeup eNB processing
      proc->RU_mask_prach = 0;
      pthread_mutex_unlock(&proc->mutex_RU_PRACH);
    }
  }
    
412
  // check if we have to detect PRACH first
413
  if (is_prach_subframe(fp,frame,subframe)>0) { 
414
    LOG_D(PHY,"Triggering prach processing, frame %d, subframe %d\n",frame,subframe);
415
    if (proc->instance_cnt_prach == 0) {
416
      LOG_W(PHY,"[eNB] Frame %d Subframe %d, dropping PRACH\n", frame,subframe);
417 418 419 420 421 422 423 424 425 426 427 428
      return;
    }
    
    // wake up thread for PRACH RX
    if (pthread_mutex_lock(&proc->mutex_prach) != 0) {
      LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB PRACH thread %d (IC %d)\n", proc->thread_index, proc->instance_cnt_prach);
      exit_fun( "error locking mutex_prach" );
      return;
    }
    
    ++proc->instance_cnt_prach;
    // set timing for prach thread
429 430
    proc->frame_prach = frame;
    proc->subframe_prach = subframe;
431 432 433 434 435 436 437 438 439 440 441 442 443
    
    // the thread can now be woken up
    if (pthread_cond_signal(&proc->cond_prach) != 0) {
      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB PRACH thread %d\n", proc->thread_index);
      exit_fun( "ERROR pthread_cond_signal" );
      return;
    }
    
    pthread_mutex_unlock( &proc->mutex_prach );
  }

}

444 445 446 447 448 449 450 451 452 453 454
#ifdef Rel14
void wakeup_prach_eNB_br(PHY_VARS_eNB *eNB,RU_t *ru,int frame,int subframe) {

  eNB_proc_t *proc = &eNB->proc;
  LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
  int i;

  if (ru!=NULL) {
    pthread_mutex_lock(&proc->mutex_RU_PRACH_br);
    for (i=0;i<eNB->num_RU;i++) {
      if (ru == eNB->RU_list[i]) {
Raymond Knopp's avatar
Raymond Knopp committed
455
	LOG_D(PHY,"frame %d, subframe %d: RU %d for eNB %d signals PRACH BR (mask %x, num_RU %d)\n",frame,subframe,i,eNB->Mod_id,proc->RU_mask_prach_br,eNB->num_RU);
456 457 458 459 460 461 462 463
	if ((proc->RU_mask_prach_br&(1<<i)) > 0)
	  LOG_E(PHY,"eNB %d frame %d, subframe %d : previous information (PRACH BR) from RU %d (num_RU %d, mask %x) has not been served yet!\n",
		eNB->Mod_id,frame,subframe,ru->idx,eNB->num_RU,proc->RU_mask_prach_br);
	proc->RU_mask_prach_br |= (1<<i);
      }
    }
    if (proc->RU_mask_prach_br != (1<<eNB->num_RU)-1) {  // not all RUs have provided their information so return
      pthread_mutex_unlock(&proc->mutex_RU_PRACH_br);
Raymond Knopp's avatar
Raymond Knopp committed
464
      return;
465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504
    }
    else { // all RUs have provided their information so continue on and wakeup eNB processing
      proc->RU_mask_prach_br = 0;
      pthread_mutex_unlock(&proc->mutex_RU_PRACH_br);
    }
  }
    
  // check if we have to detect PRACH first
  if (is_prach_subframe(fp,frame,subframe)>0) { 
    LOG_D(PHY,"Triggering prach br processing, frame %d, subframe %d\n",frame,subframe);
    if (proc->instance_cnt_prach_br == 0) {
      LOG_W(PHY,"[eNB] Frame %d Subframe %d, dropping PRACH BR\n", frame,subframe);
      return;
    }
    
    // wake up thread for PRACH RX
    if (pthread_mutex_lock(&proc->mutex_prach_br) != 0) {
      LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB PRACH thread %d (IC %d)\n", proc->thread_index, proc->instance_cnt_prach_br);
      exit_fun( "error locking mutex_prach" );
      return;
    }
    
    ++proc->instance_cnt_prach_br;
    // set timing for prach thread
    proc->frame_prach_br = frame;
    proc->subframe_prach_br = subframe;
    
    // the thread can now be woken up
    if (pthread_cond_signal(&proc->cond_prach_br) != 0) {
      LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB PRACH BR thread %d\n", proc->thread_index);
      exit_fun( "ERROR pthread_cond_signal" );
      return;
    }
    
    pthread_mutex_unlock( &proc->mutex_prach_br );
  }

}
#endif

505 506 507 508 509
/*!
 * \brief The prach receive thread of eNB.
 * \param param is a \ref eNB_proc_t structure which contains the info what to process.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
510
static void* eNB_thread_prach( void* param ) {
511 512
  static int eNB_thread_prach_status;

513 514 515

  PHY_VARS_eNB *eNB= (PHY_VARS_eNB *)param;
  eNB_proc_t *proc = &eNB->proc;
Raymond Knopp's avatar
Raymond Knopp committed
516

517 518 519
  // set default return value
  eNB_thread_prach_status = 0;

520
  thread_top_init("eNB_thread_prach",1,500000L,1000000L,20000000L);
521

522

523 524 525 526
  while (!oai_exit) {
    
    if (oai_exit) break;

527
    
Raymond Knopp's avatar
Raymond Knopp committed
528
    if (wait_on_condition(&proc->mutex_prach,&proc->cond_prach,&proc->instance_cnt_prach,"eNB_prach_thread") < 0) break;
529 530

    LOG_D(PHY,"Running eNB prach procedures\n");
531 532 533 534 535
    prach_procedures(eNB
#ifdef Rel14
		     ,0
#endif
		     );
536
    
Raymond Knopp's avatar
Raymond Knopp committed
537
    if (release_thread(&proc->mutex_prach,&proc->instance_cnt_prach,"eNB_prach_thread") < 0) break;
538
  }
539

540
  LOG_I(PHY, "Exiting eNB thread PRACH\n");
Raymond Knopp's avatar
Raymond Knopp committed
541

542 543
  eNB_thread_prach_status = 0;
  return &eNB_thread_prach_status;
544 545
}

546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583
#ifdef Rel14
/*!
 * \brief The prach receive thread of eNB for BL/CE UEs.
 * \param param is a \ref eNB_proc_t structure which contains the info what to process.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
static void* eNB_thread_prach_br( void* param ) {
  static int eNB_thread_prach_status;


  PHY_VARS_eNB *eNB= (PHY_VARS_eNB *)param;
  eNB_proc_t *proc = &eNB->proc;

  // set default return value
  eNB_thread_prach_status = 0;

  thread_top_init("eNB_thread_prach_br",1,500000L,1000000L,20000000L);

  while (!oai_exit) {
    
    if (oai_exit) break;
    

    if (wait_on_condition(&proc->mutex_prach_br,&proc->cond_prach_br,&proc->instance_cnt_prach_br,"eNB_prach_thread_br") < 0) break;

    LOG_D(PHY,"Running eNB prach procedures for BL/CE UEs\n");
    prach_procedures(eNB,1);
    
    if (release_thread(&proc->mutex_prach_br,&proc->instance_cnt_prach_br,"eNB_prach_thread_br") < 0) break;
  }

  LOG_I(PHY, "Exiting eNB thread PRACH BR\n");

  eNB_thread_prach_status = 0;
  return &eNB_thread_prach_status;
}

#endif
Raymond Knopp's avatar
Raymond Knopp committed
584

Raymond Knopp's avatar
Raymond Knopp committed
585

586 587
extern void init_td_thread(PHY_VARS_eNB *, pthread_attr_t *);
extern void init_te_thread(PHY_VARS_eNB *, pthread_attr_t *);
588

589
void init_eNB_proc(int inst) {
590
  
Rohit Gupta's avatar
Rohit Gupta committed
591
  int i=0;
592
  int CC_id;
593 594
  PHY_VARS_eNB *eNB;
  eNB_proc_t *proc;
595
  eNB_rxtx_proc_t *proc_rxtx;
Raymond Knopp's avatar
Raymond Knopp committed
596 597
  pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_prach=NULL;
    //*attr_td=NULL,*attr_te=NULL;
598 599 600
#ifdef Rel14
  pthread_attr_t *attr_prach_br=NULL;
#endif
Raymond Knopp's avatar
Raymond Knopp committed
601

602
  for (CC_id=0; CC_id<RC.nb_CC[inst]; CC_id++) {
603
    eNB = RC.eNB[inst][CC_id];
laurent's avatar
laurent committed
604
#ifndef OCP_FRAMEWORK
605
    LOG_I(PHY,"Initializing eNB processes %d CC_id %d \n",inst,CC_id);
laurent's avatar
laurent committed
606
#endif
607
    proc = &eNB->proc;
Raymond Knopp's avatar
Raymond Knopp committed
608

609
    proc_rxtx                      = proc->proc_rxtx;
610 611
    proc_rxtx[0].instance_cnt_rxtx = -1;
    proc_rxtx[1].instance_cnt_rxtx = -1;
612
    proc->instance_cnt_prach       = -1;
613
    proc->instance_cnt_asynch_rxtx = -1;
614
    proc->CC_id                    = CC_id;    
615

Raymond Knopp's avatar
Raymond Knopp committed
616 617
    proc->first_rx=1;
    proc->first_tx=1;
618 619
    proc->RU_mask=0;
    proc->RU_mask_prach=0;
Raymond Knopp's avatar
Raymond Knopp committed
620

621
    pthread_mutex_init( &eNB->UL_INFO_mutex, NULL);
622 623 624 625
    pthread_mutex_init( &proc_rxtx[0].mutex_rxtx, NULL);
    pthread_mutex_init( &proc_rxtx[1].mutex_rxtx, NULL);
    pthread_cond_init( &proc_rxtx[0].cond_rxtx, NULL);
    pthread_cond_init( &proc_rxtx[1].cond_rxtx, NULL);
Raymond Knopp's avatar
Raymond Knopp committed
626 627 628

    pthread_mutex_init( &proc->mutex_prach, NULL);
    pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
629 630
    pthread_mutex_init( &proc->mutex_RU,NULL);
    pthread_mutex_init( &proc->mutex_RU_PRACH,NULL);
Raymond Knopp's avatar
Raymond Knopp committed
631

632
    pthread_cond_init( &proc->cond_prach, NULL);
633
    pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
634 635 636

    pthread_attr_init( &proc->attr_prach);
    pthread_attr_init( &proc->attr_asynch_rxtx);
Raymond Knopp's avatar
Raymond Knopp committed
637 638
    //    pthread_attr_init( &proc->attr_td);
    //    pthread_attr_init( &proc->attr_te);
639 640
    pthread_attr_init( &proc_rxtx[0].attr_rxtx);
    pthread_attr_init( &proc_rxtx[1].attr_rxtx);
641 642 643 644 645 646 647 648
#ifdef Rel14
    proc->instance_cnt_prach_br    = -1;
    proc->RU_mask_prach_br=0;
    pthread_mutex_init( &proc->mutex_prach_br, NULL);
    pthread_mutex_init( &proc->mutex_RU_PRACH_br,NULL);
    pthread_cond_init( &proc->cond_prach_br, NULL);
    pthread_attr_init( &proc->attr_prach_br);
#endif
649
#ifndef DEADLINE_SCHEDULER
Raymond Knopp's avatar
Raymond Knopp committed
650 651 652
    attr0       = &proc_rxtx[0].attr_rxtx;
    attr1       = &proc_rxtx[1].attr_rxtx;
    attr_prach  = &proc->attr_prach;
653 654 655 656
#ifdef Rel14
    attr_prach_br  = &proc->attr_prach_br;
#endif

Raymond Knopp's avatar
Raymond Knopp committed
657 658
    //    attr_td     = &proc->attr_td;
    //    attr_te     = &proc->attr_te; 
Raymond Knopp's avatar
Raymond Knopp committed
659 660
#endif

661 662 663 664
    if (eNB->single_thread_flag==0) {
      pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, &proc_rxtx[0] );
      pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx, &proc_rxtx[1] );
    }
665
    pthread_create( &proc->pthread_prach, attr_prach, eNB_thread_prach, eNB );
666 667 668
#ifdef Rel14
    pthread_create( &proc->pthread_prach_br, attr_prach_br, eNB_thread_prach_br, eNB );
#endif
669
    char name[16];
670 671 672 673 674 675
    if (eNB->single_thread_flag==0) {
      snprintf( name, sizeof(name), "RXTX0 %d", i );
      pthread_setname_np( proc_rxtx[0].pthread_rxtx, name );
      snprintf( name, sizeof(name), "RXTX1 %d", i );
      pthread_setname_np( proc_rxtx[1].pthread_rxtx, name );
    }
676 677 678

    AssertFatal(proc->instance_cnt_prach == -1,"instance_cnt_prach = %d\n",proc->instance_cnt_prach);

679
    
680
  }
681

682
  //for multiple CCs: setup master and slaves
683 684 685
  /* 
     for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
     eNB = PHY_vars_eNB_g[inst][CC_id];
686

687 688 689
     if (eNB->node_timing == synch_to_ext_device) { //master
     eNB->proc.num_slaves = MAX_NUM_CCs-1;
     eNB->proc.slave_proc = (eNB_proc_t**)malloc(eNB->proc.num_slaves*sizeof(eNB_proc_t*));
690

691 692 693 694 695 696 697
     for (i=0; i< eNB->proc.num_slaves; i++) {
     if (i < CC_id)  eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i]->proc);
     if (i >= CC_id)  eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc);
     }
     }
     }
  */
698

699 700 701 702
  /* setup PHY proc TX sync mechanism */
  pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL);
  pthread_cond_init(&sync_phy_proc.cond_phy_proc_tx, NULL);
  sync_phy_proc.phy_proc_CC_id = 0;
703 704
}

705

706

707 708 709
/*!
 * \brief Terminate eNB TX and RX threads.
 */
710
void kill_eNB_proc(int inst) {
711

712
  int *status;
713 714
  PHY_VARS_eNB *eNB;
  eNB_proc_t *proc;
715
  eNB_rxtx_proc_t *proc_rxtx;
716
  for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
717
    eNB=RC.eNB[inst][CC_id];
718 719
    
    proc = &eNB->proc;
720
    proc_rxtx = &proc->proc_rxtx[0];
721
    
722 723

    LOG_I(PHY, "Killing TX CC_id %d inst %d\n", CC_id, inst );
724 725 726 727 728 729 730

    if (eNB->single_thread_flag==0) {
      proc_rxtx[0].instance_cnt_rxtx = 0; // FIXME data race!
      proc_rxtx[1].instance_cnt_rxtx = 0; // FIXME data race!
      pthread_cond_signal( &proc_rxtx[0].cond_rxtx );    
      pthread_cond_signal( &proc_rxtx[1].cond_rxtx );
    }
Raymond Knopp's avatar
Raymond Knopp committed
731 732
    proc->instance_cnt_prach = 0;
    pthread_cond_signal( &proc->cond_prach );
733

734
    pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx);
735
    pthread_join( proc->pthread_prach, (void**)&status );    
736

737
    LOG_I(PHY, "Destroying prach mutex/cond\n");
738
    pthread_mutex_destroy( &proc->mutex_prach );
739 740
    pthread_cond_destroy( &proc->cond_prach );
#ifdef Rel14
741
    proc->instance_cnt_prach_br = 0;
742 743 744 745 746
    pthread_cond_signal( &proc->cond_prach_br );
    pthread_join( proc->pthread_prach_br, (void**)&status );    
    pthread_mutex_destroy( &proc->mutex_prach_br );
    pthread_cond_destroy( &proc->cond_prach_br );
#endif         
747
    LOG_I(PHY, "Destroying UL_INFO mutex\n");
748
    pthread_mutex_destroy(&eNB->UL_INFO_mutex);
749
    int i;
750 751
    if (eNB->single_thread_flag==0) {
      for (i=0;i<2;i++) {
Raymond Knopp's avatar
Raymond Knopp committed
752
	LOG_I(PHY, "Joining rxtx[%d] mutex/cond\n",i);
753
	pthread_join( proc_rxtx[i].pthread_rxtx, (void**)&status );
Raymond Knopp's avatar
Raymond Knopp committed
754
	LOG_I(PHY, "Destroying rxtx[%d] mutex/cond\n",i);
755 756 757
	pthread_mutex_destroy( &proc_rxtx[i].mutex_rxtx );
	pthread_cond_destroy( &proc_rxtx[i].cond_rxtx );
      }
758
    }
759
  }
760 761
}

762

763 764 765


void reset_opp_meas(void) {
766

767 768 769 770 771
  int sfn;
  reset_meas(&softmodem_stats_mt);
  reset_meas(&softmodem_stats_hw);
  
  for (sfn=0; sfn < 10; sfn++) {
772
    reset_meas(&softmodem_stats_rxtx_sf);
773
    reset_meas(&softmodem_stats_rx_sf);
774 775 776
  }
}

777

778 779 780 781 782 783 784
void print_opp_meas(void) {

  int sfn=0;
  print_meas(&softmodem_stats_mt, "Main ENB Thread", NULL, NULL);
  print_meas(&softmodem_stats_hw, "HW Acquisation", NULL, NULL);
  
  for (sfn=0; sfn < 10; sfn++) {
785
    print_meas(&softmodem_stats_rxtx_sf,"[eNB][total_phy_proc_rxtx]",NULL, NULL);
786
    print_meas(&softmodem_stats_rx_sf,"[eNB][total_phy_proc_rx]",NULL,NULL);
787 788
  }
}
789

790
void init_transport(PHY_VARS_eNB *eNB) {
791

792 793 794
  int i;
  int j;
  LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
795

796 797 798 799 800 801
  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
    LOG_I(PHY,"Allocating Transport Channel Buffers for DLSCH, UE %d\n",i);
    for (j=0; j<2; j++) {
      eNB->dlsch[i][j] = new_eNB_dlsch(1,8,NSOFT,fp->N_RB_DL,0,fp);
      if (!eNB->dlsch[i][j]) {
	LOG_E(PHY,"Can't get eNB dlsch structures for UE %d \n", i);
802
	exit(-1);
803 804 805
      } else {
	LOG_D(PHY,"dlsch[%d][%d] => %p\n",i,j,eNB->dlsch[i][j]);
	eNB->dlsch[i][j]->rnti=0;
806 807
      }
    }
808 809 810 811 812 813
    
    LOG_I(PHY,"Allocating Transport Channel Buffer for ULSCH, UE %d\n",i);
    eNB->ulsch[1+i] = new_eNB_ulsch(MAX_TURBO_ITERATIONS,fp->N_RB_UL, 0);
    
    if (!eNB->ulsch[1+i]) {
      LOG_E(PHY,"Can't get eNB ulsch structures\n");
814 815
      exit(-1);
    }
816 817 818 819
    
    // this is the transmission mode for the signalling channels
    // this will be overwritten with the real transmission mode by the RRC once the UE is connected
    eNB->transmission_mode[i] = fp->nb_antenna_ports_eNB==1 ? 1 : 2;
820
  }
821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836
  // ULSCH for RA
  eNB->ulsch[0] = new_eNB_ulsch(MAX_TURBO_ITERATIONS, fp->N_RB_UL, 0);
  
  if (!eNB->ulsch[0]) {
    LOG_E(PHY,"Can't get eNB ulsch structures\n");
    exit(-1);
  }
  eNB->dlsch_SI  = new_eNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
  LOG_D(PHY,"eNB %d.%d : SI %p\n",eNB->Mod_id,eNB->CC_id,eNB->dlsch_SI);
  eNB->dlsch_ra  = new_eNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
  LOG_D(PHY,"eNB %d.%d : RA %p\n",eNB->Mod_id,eNB->CC_id,eNB->dlsch_ra);
  eNB->dlsch_MCH = new_eNB_dlsch(1,8,NSOFT,fp->N_RB_DL, 0, fp);
  LOG_D(PHY,"eNB %d.%d : MCH %p\n",eNB->Mod_id,eNB->CC_id,eNB->dlsch_MCH);
  
  
  eNB->rx_total_gain_dB=130;
837
  
838 839 840 841 842 843 844 845 846 847 848 849 850 851
  for(i=0; i<NUMBER_OF_UE_MAX; i++)
    eNB->mu_mimo_mode[i].dl_pow_off = 2;
  
  eNB->check_for_total_transmissions = 0;
  
  eNB->check_for_MUMIMO_transmissions = 0;
  
  eNB->FULL_MUMIMO_transmissions = 0;
  
  eNB->check_for_SUMIMO_transmissions = 0;
  
  fp->pucch_config_common.deltaPUCCH_Shift = 1;
    
} 
Raymond Knopp's avatar
Raymond Knopp committed
852 853

void init_eNB_afterRU(void) {
854

855 856
  int inst,CC_id,ru_id,i,aa;
  PHY_VARS_eNB *eNB;
857 858


859 860 861 862 863 864 865
  for (inst=0;inst<RC.nb_inst;inst++) {
    for (CC_id=0;CC_id<RC.nb_CC[inst];CC_id++) {
      eNB                                  =  RC.eNB[inst][CC_id];
      phy_init_lte_eNB(eNB,0,0);
      // map antennas and PRACH signals to eNB RX
      AssertFatal(eNB->num_RU>0,"Number of RU attached to eNB %d is zero\n",eNB->Mod_id);
      LOG_I(PHY,"Mapping RX ports from %d RUs to eNB %d\n",eNB->num_RU,eNB->Mod_id);
866
      eNB->frame_parms.nb_antennas_rx       = 0;
Raymond Knopp's avatar
Raymond Knopp committed
867
      eNB->prach_vars.rxsigF[0] = (int16_t**)malloc16(64*sizeof(int16_t*));
868 869
#ifdef Rel14
      for (int ce_level=0;ce_level<4;ce_level++)
Raymond Knopp's avatar
Raymond Knopp committed
870
	eNB->prach_vars_br.rxsigF[ce_level] = (int16_t**)malloc16(64*sizeof(int16_t*));
871
#endif
872 873
      for (ru_id=0,aa=0;ru_id<eNB->num_RU;ru_id++) {
	eNB->frame_parms.nb_antennas_rx    += eNB->RU_list[ru_id]->nb_rx;
874 875 876 877 878 879 880 881 882

	AssertFatal(eNB->RU_list[ru_id]->common.rxdataF!=NULL,
		    "RU %d : common.rxdataF is NULL\n",
		    eNB->RU_list[ru_id]->idx);

	AssertFatal(eNB->RU_list[ru_id]->prach_rxsigF!=NULL,
		    "RU %d : prach_rxsigF is NULL\n",
		    eNB->RU_list[ru_id]->idx);

883 884
	for (i=0;i<eNB->RU_list[ru_id]->nb_rx;aa++,i++) { 
	  LOG_I(PHY,"Attaching RU %d antenna %d to eNB antenna %d\n",eNB->RU_list[ru_id]->idx,i,aa);
Raymond Knopp's avatar
Raymond Knopp committed
885 886 887 888 889
	  eNB->prach_vars.rxsigF[0][aa]    =  eNB->RU_list[ru_id]->prach_rxsigF[i];
#ifdef Rel14
	  for (int ce_level=0;ce_level<4;ce_level++)
	    eNB->prach_vars_br.rxsigF[ce_level][aa] = eNB->RU_list[ru_id]->prach_rxsigF_br[ce_level][i];
#endif
890 891 892
	  eNB->common_vars.rxdataF[aa]     =  eNB->RU_list[ru_id]->common.rxdataF[i];
	}
      }
893 894 895
      AssertFatal(eNB->frame_parms.nb_antennas_rx >0,
		  "inst %d, CC_id %d : nb_antennas_rx %d\n",inst,CC_id,eNB->frame_parms.nb_antennas_rx);
      LOG_I(PHY,"inst %d, CC_id %d : nb_antennas_rx %d\n",inst,CC_id,eNB->frame_parms.nb_antennas_rx);
896 897

      init_transport(eNB);
Raymond Knopp's avatar
Raymond Knopp committed
898
      //init_precoding_weights(RC.eNB[inst][CC_id]);
899 900 901
    }
    init_eNB_proc(inst);
  }
902

903
  for (ru_id=0;ru_id<RC.nb_RU;ru_id++) {
904 905

    AssertFatal(RC.ru[ru_id]!=NULL,"ru_id %d is null\n",ru_id);
906
    
907 908 909 910
    RC.ru[ru_id]->wakeup_rxtx         = wakeup_rxtx;
    RC.ru[ru_id]->wakeup_prach_eNB    = wakeup_prach_eNB;
    RC.ru[ru_id]->wakeup_prach_eNB_br = wakeup_prach_eNB_br;
    RC.ru[ru_id]->eNB_top             = eNB_top;
911 912
  }
}
913

914
void init_eNB(int single_thread_flag,int wait_for_sync) {
915
  
916
  int CC_id;
917
  int inst;
918
  PHY_VARS_eNB *eNB;
Raymond Knopp's avatar
Raymond Knopp committed
919

920 921
  if (RC.eNB == NULL) RC.eNB = (PHY_VARS_eNB***) malloc(RC.nb_L1_inst*sizeof(PHY_VARS_eNB **));
  for (inst=0;inst<RC.nb_L1_inst;inst++) {
922
    if (RC.eNB[inst] == NULL) RC.eNB[inst] = (PHY_VARS_eNB**) malloc(RC.nb_CC[inst]*sizeof(PHY_VARS_eNB *));
923
    for (CC_id=0;CC_id<RC.nb_L1_CC[inst];CC_id++) {
924 925
      if (RC.eNB[inst][CC_id] == NULL) RC.eNB[inst][CC_id] = (PHY_VARS_eNB*) malloc(sizeof(PHY_VARS_eNB));
      eNB                     = RC.eNB[inst][CC_id]; 
926
      eNB->abstraction_flag   = 0;
Raymond Knopp's avatar
Raymond Knopp committed
927
      eNB->single_thread_flag = single_thread_flag;
928

929

laurent's avatar
laurent committed
930
#ifndef OCP_FRAMEWORK
931
      LOG_I(PHY,"Initializing eNB %d CC_id %d\n",inst,CC_id);
laurent's avatar
laurent committed
932
#endif
Raymond Knopp's avatar
Raymond Knopp committed
933 934


935 936
      eNB->td                   = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
      eNB->te                   = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
937

938
      
939
      LOG_I(PHY,"Registering with MAC interface module\n");
940 941 942 943 944 945 946 947
      AssertFatal((eNB->if_inst         = IF_Module_init(inst))!=NULL,"Cannot register interface");
      eNB->if_inst->schedule_response   = schedule_response;
      eNB->if_inst->PHY_config_req      = phy_config_request;
      memset((void*)&eNB->UL_INFO,0,sizeof(eNB->UL_INFO));
      memset((void*)&eNB->Sched_INFO,0,sizeof(eNB->Sched_INFO));
      LOG_I(PHY,"Setting indication lists\n");
      eNB->UL_INFO.rx_ind.rx_pdu_list   = eNB->rx_pdu_list;
      eNB->UL_INFO.crc_ind.crc_pdu_list = eNB->crc_pdu_list;
948 949 950 951
      eNB->UL_INFO.sr_ind.sr_pdu_list = eNB->sr_pdu_list;
      eNB->UL_INFO.harq_ind.harq_pdu_list = eNB->harq_pdu_list;
      eNB->UL_INFO.cqi_ind.cqi_pdu_list = eNB->cqi_pdu_list;
      eNB->UL_INFO.cqi_ind.cqi_raw_pdu_list = eNB->cqi_raw_pdu_list;
952
      eNB->prach_energy_counter = 0;
953 954
    }

955
  }
956

957

958
  LOG_I(PHY,"[lte-softmodem.c] eNB structure allocated\n");
959
  
960 961


962 963 964
}


965
void stop_eNB(int nb_inst) {
966

967
  for (int inst=0;inst<nb_inst;inst++) {
968
    LOG_I(PHY,"Killing eNB %d processing threads\n",inst);
969 970
    kill_eNB_proc(inst);
  }
971
}