lte-softmodem.c 101 KB
Newer Older
1
/*******************************************************************************
2 3
    OpenAirInterface 
    Copyright(c) 1999 - 2014 Eurecom
4

5 6 7 8
    OpenAirInterface is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
9 10


11 12 13 14
    OpenAirInterface is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
15

16 17 18 19
    You should have received a copy of the GNU General Public License
    along with OpenAirInterface.The full GNU General Public License is 
    included in this distribution in the file called "COPYING". If not, 
    see <http://www.gnu.org/licenses/>.
20

21 22 23 24 25
   Contact Information
   OpenAirInterface Admin: openair_admin@eurecom.fr
   OpenAirInterface Tech : openair_tech@eurecom.fr
   OpenAirInterface Dev  : openair4g-devel@eurecom.fr
  
ghaddab's avatar
ghaddab committed
26
   Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
27

28
 *******************************************************************************/
29 30

/*! \file lte-softmodem.c
knopp's avatar
 
knopp committed
31
 * \brief main program to control HW and scheduling
32
 * \author R. Knopp, F. Kaltenberger, Navid Nikaein
knopp's avatar
 
knopp committed
33 34 35
 * \date 2012
 * \version 0.1
 * \company Eurecom
36
 * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
knopp's avatar
 
knopp committed
37 38 39
 * \note
 * \warning
 */
knopp's avatar
 
knopp committed
40
#define _GNU_SOURCE
41 42 43 44 45 46 47 48 49 50 51 52 53 54 55
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sched.h>
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>

#include "rt_wrapper.h"
56 57
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all

knopp's avatar
 
knopp committed
58
#ifdef USRP
knopp's avatar
 
knopp committed
59
static int hw_subframe;
knopp's avatar
 
knopp committed
60
#endif
knopp's avatar
 
knopp committed
61

62
#include "assertions.h"
63 64 65 66 67 68

#ifdef EMOS
#include <gps.h>
#endif

#include "PHY/types.h"
69

70
#include "PHY/defs.h"
71 72 73
#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

knopp's avatar
 
knopp committed
74
#ifndef USRP
75
#include "openair0_lib.h"
knopp's avatar
 
knopp committed
76 77 78 79
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

80
#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
81 82 83

#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
84
//#include "SCHED/defs.h"
85 86 87 88 89 90 91 92 93 94
#include "SCHED/vars.h"
#include "LAYER2/MAC/vars.h"

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

#ifdef EMOS
#include "SCHED/phy_procedures_emos.h"
#endif

#ifdef OPENAIR2
95
#include "otg_tx.h"
96 97
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
98
#include "LAYER2/MAC/proto.h"
99 100 101 102 103 104 105 106 107 108 109 110 111 112 113
#ifndef CELLULAR
#include "RRC/LITE/vars.h"
#endif
#include "PHY_INTERFACE/vars.h"
#endif

#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.h"
#include "UTIL/OTG/otg_vars.h"
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
114
#include "enb_config.h"
115

116 117
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
118
# include "create_tasks.h"
119 120 121
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
# endif
122 123
#endif

124 125 126
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
127 128 129 130 131
#endif

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

knopp's avatar
 
knopp committed
132 133
#define DEBUG_THREADS 1

134 135 136 137 138 139 140
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;

gauthier's avatar
gauthier committed
141 142
extern int16_t* sync_corr_ue0;
extern int16_t prach_ifft[4][1024*2];
143 144 145

int init_dlsch_threads(void);
void cleanup_dlsch_threads(void);
gauthier's avatar
gauthier committed
146
int32_t init_rx_pdsch_thread(void);
147
void cleanup_rx_pdsch_thread(void);
knopp's avatar
 
knopp committed
148

149
openair0_config_t openair0_cfg[MAX_CARDS];
knopp's avatar
 
knopp committed
150

knopp's avatar
 
knopp committed
151 152
int32_t *rxdata;
int32_t *txdata;
153 154
int setup_ue_buffers(PHY_VARS_UE **phy_vars_ue, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs]);
int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs]);
155 156

#ifdef XFORMS
157 158 159 160
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
// at eNB 0, an UL scope for every UE 
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
FD_lte_phy_scope_enb *form_enb[NUMBER_OF_UE_MAX];
161
FD_stats_form                  *form_stats=NULL;
162
char title[255];
163
unsigned char                   scope_enb_num_ue = 1;
164 165 166
#endif //XFORMS

#ifdef RTAI
167
static SEM                     *mutex;
168 169
//static CND *cond;

knopp's avatar
 
knopp committed
170 171
static int                      main_eNB_thread;
static int                      main_ue_thread;
knopp's avatar
 
knopp committed
172 173 174
#ifdef USRP
static SEM *sync_sem; // to sync rx & tx streaming
#endif
175 176
//static int sync_thread;
#else
knopp's avatar
 
knopp committed
177 178
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
179 180
pthread_attr_t                  attr_dlsch_threads;
struct sched_param              sched_param_dlsch;
knopp's avatar
 
knopp committed
181

knopp's avatar
 
knopp committed
182 183 184 185
#ifdef USRP
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
#endif
186 187
#endif

knopp's avatar
 
knopp committed
188 189 190
pthread_attr_t                  attr_UE_init_synch;
pthread_attr_t                  attr_UE_thread_tx;
pthread_attr_t                  attr_UE_thread_rx;
knopp's avatar
 
knopp committed
191 192
pthread_attr_t                  attr_eNB_proc_tx[MAX_NUM_CCs][10];
pthread_attr_t                  attr_eNB_proc_rx[MAX_NUM_CCs][10];
knopp's avatar
 
knopp committed
193 194 195
struct sched_param              sched_param_UE_init_synch;
struct sched_param              sched_param_UE_thread_tx;
struct sched_param              sched_param_UE_thread_rx;
knopp's avatar
 
knopp committed
196 197
struct sched_param              sched_param_eNB_proc_tx[MAX_NUM_CCs][10];
struct sched_param              sched_param_eNB_proc_rx[MAX_NUM_CCs][10];
knopp's avatar
 
knopp committed
198

199
#ifdef XFORMS
knopp's avatar
 
knopp committed
200
static pthread_t                forms_thread; //xforms
201 202 203 204
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
#endif
205

knopp's avatar
 
knopp committed
206 207 208
openair0_device openair0;
openair0_timestamp timestamp;

209
/*
knopp's avatar
 
knopp committed
210 211 212
  static int instance_cnt=-1; //0 means worker is busy, -1 means its free
  int instance_cnt_ptr_kern,*instance_cnt_ptr_user;
  int pci_interface_ptr_kern;
213 214 215 216
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

217
int                             card = 0;
knopp's avatar
 
knopp committed
218

219

220
#if defined(ENABLE_ITTI)
221 222
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
223
#endif
224 225 226 227 228 229
volatile int                    oai_exit = 0;

//static int                      time_offset[4] = {-138,-138,-138,-138};
//static int                      time_offset[4] = {-145,-145,-145,-145};
static int                      time_offset[4] = {0,0,0,0};

knopp's avatar
 
knopp committed
230

231
static char                     UE_flag=0;
232
static uint8_t                  eNB_id=0,UE_id=0;
233

234 235 236
uint32_t                        carrier_freq[MAX_NUM_CCs][4] =           {{1907600000,1907600000,1907600000,1907600000}}; /* For UE! */
static uint32_t                 downlink_frequency[MAX_NUM_CCs][4] =     {{1907600000,1907600000,1907600000,1907600000}};
static int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4]= {{-120000000,-120000000,-120000000,-120000000}};
237 238
static char                    *conf_config_file_name = NULL;

239
#if defined(ENABLE_ITTI)
240
static char                    *itti_dump_file = NULL;
knopp's avatar
 
knopp committed
241 242
#endif

gauthier's avatar
gauthier committed
243
#ifndef USRP
244 245 246 247 248 249 250
double tx_gain[MAX_NUM_CCs][4] = {{20,10,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{10,10,0,0}};
// these are for EXMIMO2 target only
static unsigned int             rxg_max[4] =    {133,133,133,133};
static unsigned int             rxg_med[4] =    {127,127,127,127};
static unsigned int             rxg_byp[4] =    {120,120,120,120};
static rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
gauthier's avatar
gauthier committed
251
#else
252 253
double tx_gain[MAX_NUM_CCs][4] = {{120,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{50,0,0,0}};
gauthier's avatar
gauthier committed
254
#endif
knopp's avatar
 
knopp committed
255

knopp's avatar
 
knopp committed
256 257
double sample_rate=30.72e6;
double bw = 14e6;
258

259
static int                      tx_max_power[MAX_NUM_CCs] =  {{0}};
260

261
#ifdef USRP
knopp's avatar
 
knopp committed
262 263 264
char ref[128] = "internal";
char channels[128] = "0";

knopp's avatar
 
knopp committed
265 266 267
unsigned int samples_per_frame = 307200;
unsigned int samples_per_packets = 2048; // samples got every recv or send
unsigned int tx_forward_nsamps;
knopp's avatar
 
knopp committed
268 269 270 271 272 273 274 275 276

int sf_bounds_5[10] = {8, 15, 23, 30, 38, 45, 53, 60, 68, 75};
int sf_bounds_10[10] = {8, 15, 23, 30, 38, 45, 53, 60, 68, 75};
int sf_bounds_20[10] = {15, 30, 45, 60, 75, 90, 105, 120, 135, 150};
int *sf_bounds;
int max_cnt;
int tx_delay;

#endif
277
/*
knopp's avatar
 
knopp committed
278 279 280
  uint32_t rf_mode_max[4]     = {55759,55759,55759,55759};
  uint32_t rf_mode_med[4]     = {39375,39375,39375,39375};
  uint32_t rf_mode_byp[4]     = {22991,22991,22991,22991};
281
*/
knopp's avatar
 
knopp committed
282 283
//static uint32_t                      rf_mode[4] =        {MY_RF_MODE,0,0,0};
//static uint32_t                      rf_local[4] =       {8255000,8255000,8255000,8255000}; // UE zepto
knopp's avatar
 
knopp committed
284 285
//{8254617, 8254617, 8254617, 8254617}; //eNB khalifa
//{8255067,8254810,8257340,8257340}; // eNB PETRONAS
286

knopp's avatar
 
knopp committed
287 288 289 290 291
//static uint32_t                      rf_vcocal[4] =      {910,910,910,910};
//static uint32_t                      rf_vcocal_850[4] =  {2015, 2015, 2015, 2015};
//static uint32_t                      rf_rxdc[4] =        {32896,32896,32896,32896};
//static uint32_t                      rxgain[4] =         {20,20,20,20};
//static uint32_t                      txgain[4] =         {20,20,20,20};
292 293 294

static runmode_t                mode;
static int                      rx_input_level_dBm;
295
static int                      online_log_messages=0;
296
#ifdef XFORMS
297
extern int                      otg_enabled;
298
static char                     do_forms=0;
299
#else
300
int                             otg_enabled;
301
#endif
knopp's avatar
 
knopp committed
302
//int                             number_of_cards =   1;
knopp's avatar
 
knopp committed
303
#ifndef USRP
304 305
static int                      mbox_bounds[20] =   {8,16,24,30,38,46,54,60,68,76,84,90,98,106,114,120,128,136,144, 0}; ///boundaries of slots in terms ob mbox counter rounded up to even numbers
//static int                      mbox_bounds[20] =   {6,14,22,28,36,44,52,58,66,74,82,88,96,104,112,118,126,134,142, 148}; ///boundaries of slots in terms ob mbox counter rounded up to even numbers
knopp's avatar
 
knopp committed
306
#endif
307

knopp's avatar
 
knopp committed
308
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
309

knopp's avatar
 
knopp committed
310
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
311
uint32_t target_dl_mcs = 28; //maximum allowed mcs
312 313
uint32_t target_ul_mcs = 8;

knopp's avatar
 
knopp committed
314

315 316 317 318 319 320 321 322 323 324 325 326 327 328 329
int16_t           glog_level=LOG_DEBUG;
int16_t           glog_verbosity=LOG_MED;
int16_t           hw_log_level=LOG_DEBUG;
int16_t           hw_log_verbosity=LOG_MED;
int16_t           phy_log_level=LOG_DEBUG;
int16_t           phy_log_verbosity=LOG_MED;
int16_t           mac_log_level=LOG_DEBUG;
int16_t           mac_log_verbosity=LOG_MED;
int16_t           rlc_log_level=LOG_DEBUG;
int16_t           rlc_log_verbosity=LOG_MED;
int16_t           pdcp_log_level=LOG_DEBUG;
int16_t           pdcp_log_verbosity=LOG_MED;
int16_t           rrc_log_level=LOG_DEBUG;
int16_t           rrc_log_verbosity=LOG_MED;

330
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
331
{
knopp's avatar
 
knopp committed
332
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
333 334 335
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
knopp's avatar
 
knopp committed
336
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
337 338
}

339
#if !defined(ENABLE_ITTI)
340 341 342 343 344 345 346 347 348 349 350 351 352 353 354
void signal_handler(int sig)
{
  void *array[10];
  size_t size;

  if (sig==SIGSEGV) {
    // get void*'s for all entries on the stack
    size = backtrace(array, 10);
    
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
  }
  else {
355
    oai_exit = 1;
356 357
  }
}
358
#endif
359 360 361

void exit_fun(const char* s)
{
362
  if (s != NULL) {
gauthier's avatar
gauthier committed
363
    printf("%s %s() Exiting: %s\n",__FILE__, __FUNCTION__, s);
364 365 366 367 368
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
369
  itti_terminate_tasks (TASK_UNKNOWN);
370
#endif
371 372 373 374 375 376

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

knopp's avatar
 
knopp committed
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
static int latency_target_fd = -1;
static int32_t latency_target_value = 0;
/* Latency trick - taken from cyclictest.c 
* if the file /dev/cpu_dma_latency exists,
* open it and write a zero into it. This will tell
* the power management system not to transition to
* a high cstate (in fact, the system acts like idle=poll)
* When the fd to /dev/cpu_dma_latency is closed, the behavior
* goes back to the system default.
*
* Documentation/power/pm_qos_interface.txt
*/
static void set_latency_target(void)
{
  struct stat s;
  int ret;
  if (stat("/dev/cpu_dma_latency", &s) == 0) {
    latency_target_fd = open("/dev/cpu_dma_latency", O_RDWR);
    if (latency_target_fd == -1)
      return;
    ret = write(latency_target_fd, &latency_target_value, 4);
    if (ret == 0) {
      printf("# error setting cpu_dma_latency to %d!: %s\n", latency_target_value, strerror(errno));
      close(latency_target_fd);
      return;
    }
    printf("# /dev/cpu_dma_latency set to %dus\n", latency_target_value);
  }
}

407
#ifdef XFORMS
408
static void *scope_thread(void *arg) {
knopp's avatar
 
knopp committed
409
  char stats_buffer[16384];
410
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
411 412
  FILE *UE_stats, *eNB_stats;
  int len = 0;
413
# endif
knopp's avatar
 
knopp committed
414
  struct sched_param sched_param;
415

knopp's avatar
 
knopp committed
416 417
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
418

knopp's avatar
 
knopp committed
419
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
420
    
knopp's avatar
 
knopp committed
421 422 423 424 425 426
  /*
    if (UE_flag==1) 
    UE_stats  = fopen("UE_stats.txt", "w");
    else 
    eNB_stats = fopen("eNB_stats.txt", "w");
  */
427
    
knopp's avatar
 
knopp committed
428 429
  while (!oai_exit) {
    if (UE_flag==1) {
430
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
431
      len =
432
# endif
433
	dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
knopp's avatar
 
knopp committed
434
      fl_set_object_label(form_stats->stats_text, stats_buffer);
435
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
436 437
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
438
# endif
knopp's avatar
 
knopp committed
439
      phy_scope_UE(form_ue[UE_id], 
440
		   PHY_vars_UE_g[UE_id][0],
knopp's avatar
 
knopp committed
441 442
		   eNB_id,
		   UE_id,7);
443
            
knopp's avatar
 
knopp committed
444
    } else {
445
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
446
      len =
447
# endif
knopp's avatar
 
knopp committed
448
	dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
knopp's avatar
 
knopp committed
449
      fl_set_object_label(form_stats->stats_text, stats_buffer);
450
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
451 452
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
453
# endif
knopp's avatar
 
knopp committed
454 455
      for(UE_id=0;UE_id<scope_enb_num_ue;UE_id++) {
	phy_scope_eNB(form_enb[UE_id], 
knopp's avatar
 
knopp committed
456
		      PHY_vars_eNB_g[eNB_id][0],
knopp's avatar
 
knopp committed
457 458
		      UE_id);
      }
459 460
              
    }
knopp's avatar
 
knopp committed
461
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
462 463
    //usleep(100000); // 100 ms
    sleep(1);
knopp's avatar
 
knopp committed
464
  }
465
    
466
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
 
knopp committed
467 468
  fclose (UE_stats);
  fclose (eNB_stats);
469
# endif
470
    
knopp's avatar
 
knopp committed
471
  pthread_exit((void*)arg);
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
}
#endif

#ifdef EMOS
#define NO_ESTIMATES_DISK 100 //No. of estimates that are aquired before dumped to disk

void *emos_thread (void *arg)
{
  char c;
  char *fifo2file_buffer, *fifo2file_ptr;

  int fifo, counter=0, bytes;

  FILE  *dumpfile_id;
  char  dumpfile_name[1024];
  time_t starttime_tmp;
  struct tm starttime;
  
  int channel_buffer_size;
  
  time_t timer;
  struct tm *now;

  struct gps_data_t *gps_data = NULL;
  struct gps_fix_t dummy_gps_data;
497 498 499 500 501 502 503

  struct sched_param sched_param;
  
  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
  
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525
 
  timer = time(NULL);
  now = localtime(&timer);

  memset(&dummy_gps_data,1,sizeof(struct gps_fix_t));
  
  gps_data = gps_open("127.0.0.1","2947");
  if (gps_data == NULL) 
    {
      printf("[EMOS] Could not open GPS\n");
      //exit(-1);
    }
#if GPSD_API_MAJOR_VERSION>=4
  else if (gps_stream(gps_data, WATCH_ENABLE,NULL) != 0)
#else
  else if (gps_query(gps_data, "w+x") != 0)
#endif
    {
      //sprintf(tmptxt,"Error sending command to GPS, gps_data = %x", gps_data);
      printf("[EMOS] Error sending command to GPS\n");
      //exit(-1);
    }
526 527
  else 
    printf("[EMOS] Opened GPS, gps_data=%p\n");
528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572
  
  if (UE_flag==0)
    channel_buffer_size = sizeof(fifo_dump_emos_eNB);
  else
    channel_buffer_size = sizeof(fifo_dump_emos_UE);

  // allocate memory for NO_FRAMES_DISK channes estimations
  fifo2file_buffer = malloc(NO_ESTIMATES_DISK*channel_buffer_size);
  fifo2file_ptr = fifo2file_buffer;

  if (fifo2file_buffer == NULL)
    {
      printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
      exit(EXIT_FAILURE);
    }

  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0)
    {
      fprintf(stderr, "[EMOS] Error opening the fifo\n");
      exit(EXIT_FAILURE);
    }


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
	   (UE_flag==0) ? "eNB" : "UE",
	   1900+starttime.tm_year, starttime.tm_mon+1, starttime.tm_mday, starttime.tm_hour, starttime.tm_min, starttime.tm_sec);

  dumpfile_id = fopen(dumpfile_name,"w");
  if (dumpfile_id == NULL)
    {
      fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
      exit(EXIT_FAILURE);
    }


  printf("[EMOS] starting dump, channel_buffer_size=%d ...\n",channel_buffer_size);
  while (!oai_exit)
    {
      bytes = rtf_read_timed(fifo, fifo2file_ptr, channel_buffer_size,100);
      if (bytes==0)
	continue;

      /*
knopp's avatar
 
knopp committed
573
	if (UE_flag==0)
574
	printf("eNB: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx,bytes);
knopp's avatar
 
knopp committed
575
	else
576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636
	printf("UE: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_UE*)fifo2file_ptr)->frame_rx,bytes);
      */

      fifo2file_ptr += channel_buffer_size;
      counter ++;

      if (counter == NO_ESTIMATES_DISK)
        {
          //reset stuff
          fifo2file_ptr = fifo2file_buffer;
          counter = 0;

          //flush buffer to disk
	  if (UE_flag==0)
	    printf("[EMOS] eNB: count %d, frame %d, flushing buffer to disk\n",
		   counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx);
	  else
	    printf("[EMOS] UE: count %d, frame %d, flushing buffer to disk\n",
		   counter, ((fifo_dump_emos_UE*)fifo2file_ptr)->frame_rx);


          if (fwrite(fifo2file_buffer, sizeof(char), NO_ESTIMATES_DISK*channel_buffer_size, dumpfile_id) != NO_ESTIMATES_DISK*channel_buffer_size)
            {
              fprintf(stderr, "[EMOS] Error writing to dumpfile\n");
              exit(EXIT_FAILURE);
            }
	  if (gps_data)
	    {
	      if (gps_poll(gps_data) != 0) {
		printf("[EMOS] problem polling data from gps\n");
	      }
	      else {
		printf("[EMOS] lat %g, lon %g\n",gps_data->fix.latitude,gps_data->fix.longitude);
	      }
	      if (fwrite(&(gps_data->fix), sizeof(char), sizeof(struct gps_fix_t), dumpfile_id) != sizeof(struct gps_fix_t))
		{
		  printf("[EMOS] Error writing to dumpfile, stopping recording\n");
		  exit(EXIT_FAILURE);
		}
	    }
	  else
	    {
	      printf("[EMOS] WARNING: No GPS data available, storing dummy packet\n");
	      if (fwrite(&(dummy_gps_data), sizeof(char), sizeof(struct gps_fix_t), dumpfile_id) != sizeof(struct gps_fix_t))
		{
		  printf("[EMOS] Error writing to dumpfile, stopping recording\n");
		  exit(EXIT_FAILURE);
		}
	    } 
        }
    }
  
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
  
  pthread_exit((void*) arg);

}
#endif

637
#if defined(ENABLE_ITTI)
638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655
static void wait_system_ready (char *message, volatile int *start_flag)
{
  /* Wait for eNB application initialization to be complete (eNB registration to MME) */
  {
    static char *indicator[] = {".    ", "..   ", "...  ", ".... ", ".....",
                                " ....", "  ...", "   ..", "    .", "     "};
    int i = 0;

    while ((!oai_exit) && (*start_flag == 0)) {
      LOG_N(EMU, message, indicator[i]);
      i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
      usleep(200000);
    }
    LOG_D(EMU,"\n");
  }
}
#endif

knopp's avatar
 
knopp committed
656
#if defined(ENABLE_ITTI)
657
void *l2l1_task(void *arg)
658
{
knopp's avatar
 
knopp committed
659 660 661 662 663
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
664

knopp's avatar
 
knopp committed
665 666
  if (UE_flag == 0) {
    /* Wait for the initialize message */
667
    do {
knopp's avatar
 
knopp committed
668 669 670 671
      if (message_p != NULL) {
	result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
	AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
      }
672 673 674
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
knopp's avatar
 
knopp committed
675 676 677 678 679 680 681 682 683 684 685 686 687 688
      case INITIALIZE_MESSAGE:
	/* Start eNB thread */
	LOG_D(EMU, "L2L1 TASK received %s\n", ITTI_MSG_NAME(message_p));
	start_eNB = 1;
	break;

      case TERMINATE_MESSAGE:
	oai_exit=1;
	itti_exit_task ();
	break;

      default:
	LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
	break;
689
      }
knopp's avatar
 
knopp committed
690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711
    } while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
    result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
    AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
  }

  do {
    // Wait for a message
    itti_receive_msg (TASK_L2L1, &message_p);

    switch (ITTI_MSG_ID(message_p)) {
    case TERMINATE_MESSAGE:
      oai_exit=1;
      itti_exit_task ();
      break;

    case ACTIVATE_MESSAGE:
      start_UE = 1;
      break;

    case DEACTIVATE_MESSAGE:
      start_UE = 0;
      break;
712

knopp's avatar
 
knopp committed
713 714 715 716 717 718 719 720 721 722 723 724
    case MESSAGE_TEST:
      LOG_I(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
      break;

    default:
      LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
      break;
    }

    result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
    AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
  } while(1);
725

knopp's avatar
 
knopp committed
726
  return NULL;
727 728 729
}
#endif

knopp's avatar
 
knopp committed
730

knopp's avatar
 
knopp committed
731
void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
knopp's avatar
 
knopp committed
732 733 734 735

  unsigned int aa,slot_offset, slot_offset_F;
  int dummy_tx_b[7680*4] __attribute__((aligned(16)));
  int i, tx_offset;
knopp's avatar
 
knopp committed
736
  int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
knopp's avatar
 
knopp committed
737
    ((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
knopp's avatar
 
knopp committed
738 739 740

  slot_offset_F = (subframe<<1)*slot_sizeF;
    
knopp's avatar
 
knopp committed
741 742
  slot_offset = subframe*phy_vars_eNB->lte_frame_parms.samples_per_tti;

knopp's avatar
 
knopp committed
743 744
  if ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_DL)||
      ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_S))) {
knopp's avatar
 
knopp committed
745
    //	  LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
knopp's avatar
 
knopp committed
746

knopp's avatar
 
knopp committed
747
    
knopp's avatar
 
knopp committed
748 749 750 751 752 753 754 755 756 757
    for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
      if (phy_vars_eNB->lte_frame_parms.Ncp == EXTENDED){ 
	PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
		     dummy_tx_b,
		     phy_vars_eNB->lte_frame_parms.log2_symbol_size,
		     6,
		     phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
		     phy_vars_eNB->lte_frame_parms.twiddle_ifft,
		     phy_vars_eNB->lte_frame_parms.rev,
		     CYCLIC_PREFIX);
knopp's avatar
 
knopp committed
758 759 760 761 762 763 764 765
	PHY_ofdm_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
		     dummy_tx_b+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1),
		     phy_vars_eNB->lte_frame_parms.log2_symbol_size,
		     6,
		     phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
		     phy_vars_eNB->lte_frame_parms.twiddle_ifft,
		     phy_vars_eNB->lte_frame_parms.rev,
		     CYCLIC_PREFIX);
knopp's avatar
 
knopp committed
766 767 768 769 770 771
      }
      else {
	normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F],
			  dummy_tx_b,
			  7,
			  &(phy_vars_eNB->lte_frame_parms));
knopp's avatar
 
knopp committed
772 773 774 775
	normal_prefix_mod(&phy_vars_eNB->lte_eNB_common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF],
			  dummy_tx_b+(phy_vars_eNB->lte_frame_parms.samples_per_tti>>1),
			  7,
			  &(phy_vars_eNB->lte_frame_parms));
knopp's avatar
 
knopp committed
776
      }
knopp's avatar
 
knopp committed
777 778

      for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti; i++) {
knopp's avatar
 
knopp committed
779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795
	tx_offset = (int)slot_offset+time_offset[aa]+i;
	if (tx_offset<0)
	  tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
	if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti))
	  tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->lte_frame_parms.samples_per_tti;
	((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[0]=
	  ((short*)dummy_tx_b)[2*i]<<4;
	((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
	  ((short*)dummy_tx_b)[2*i+1]<<4;
      }
    }
  }
}


int eNB_thread_tx_status[10];
static void * eNB_thread_tx(void *param) {
knopp's avatar
 
knopp committed
796 797 798

  //unsigned long cpuid;
  eNB_proc_t *proc = (eNB_proc_t*)param;
knopp's avatar
 
knopp committed
799
  //  RTIME time_in,time_out;
knopp's avatar
 
knopp committed
800 801
#ifdef RTAI
  RT_TASK *task;
802
  char task_name[8];
knopp's avatar
 
knopp committed
803
#endif
knopp's avatar
 
knopp committed
804 805

 
knopp's avatar
 
knopp committed
806

knopp's avatar
 
knopp committed
807 808 809 810 811
#if defined(ENABLE_ITTI)
  /* Wait for eNB application initialization to be complete (eNB registration to MME) */
  wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
#endif

knopp's avatar
 
knopp committed
812
#ifdef RTAI
813
  sprintf(task_name,"TXC%dS%d",proc->CC_id,proc->subframe);
knopp's avatar
 
knopp committed
814 815 816
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
knopp's avatar
 
knopp committed
817
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_TX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
knopp's avatar
 
knopp committed
818 819 820
    return 0;
  }
  else {
821 822
    LOG_I(PHY,"[SCHED][eNB] eNB TX thread CC %d SF %d started with id %p\n",
	  proc->CC_id,
knopp's avatar
 
knopp committed
823
	  proc->subframe,
824
	  task);
knopp's avatar
 
knopp committed
825
  }
knopp's avatar
 
knopp committed
826
#else
knopp's avatar
 
knopp committed
827 828 829
  //  LOG_I(PHY,
	printf("[SCHED][eNB] eNB TX thread %d started on CPU %d\n",
	       proc->subframe,sched_getcpu());
knopp's avatar
 
knopp committed
830 831 832 833 834 835 836 837 838 839 840 841
#endif

  mlockall(MCL_CURRENT | MCL_FUTURE);

  //rt_set_runnable_on_cpuid(task,1);
  //cpuid = rtai_cpuid();

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

  while (!oai_exit){
knopp's avatar
 
knopp committed
842
    
knopp's avatar
 
knopp committed
843
    vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),0);
knopp's avatar
 
knopp committed
844 845
    
    
knopp's avatar
 
knopp committed
846
    //    LOG_I(PHY,"Locking mutex for eNB proc %d (IC %d,mutex %p)\n",proc->subframe,proc->instance_cnt,&proc->mutex);
knopp's avatar
 
knopp committed
847 848
    //printf("Locking mutex for eNB proc %d (subframe_tx %d))\n",proc->subframe,subframe_tx);

knopp's avatar
 
knopp committed
849 850
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
      LOG_E(PHY,"[SCHED][eNB] error locking mutex for eNB TX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
851
      oai_exit=1;
knopp's avatar
 
knopp committed
852 853
    }
    else {
knopp's avatar
 
knopp committed
854
      
knopp's avatar
 
knopp committed
855 856
      while (proc->instance_cnt_tx < 0) {
	//	LOG_I(PHY,"Waiting and unlocking mutex for eNB proc %d (IC %d,lock %d)\n",proc->subframe,proc->instance_cnt,pthread_mutex_trylock(&proc->mutex));
knopp's avatar
 
knopp committed
857
	//printf("Waiting and unlocking mutex for eNB proc %d (subframe_tx %d)\n",proc->subframe,subframe_tx);
knopp's avatar
 
knopp committed
858
	
knopp's avatar
 
knopp committed
859
	pthread_cond_wait(&proc->cond_tx,&proc->mutex_tx);
knopp's avatar
 
knopp committed
860
      }
knopp's avatar
 
knopp committed
861 862 863
      //      LOG_I(PHY,"Waking up and unlocking mutex for eNB proc %d\n",proc->subframe);
      if (pthread_mutex_unlock(&proc->mutex_tx) != 0) {	
	LOG_E(PHY,"[SCHED][eNB] error unlocking mutex for eNB TX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
864
	oai_exit=1;
knopp's avatar
 
knopp committed
865 866
      }
    }
knopp's avatar
 
knopp committed
867 868 869
    vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),1);    
    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_ENB, proc->frame_tx);
    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_SLOT_NUMBER_ENB, proc->subframe*2);
knopp's avatar
 
knopp committed
870
    
knopp's avatar
 
knopp committed
871
    if (oai_exit) break;
knopp's avatar
 
knopp committed
872

knopp's avatar
 
knopp committed
873 874 875 876 877 878 879
    
    if ((((PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == TDD)&&
	  (subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_tx)==SF_DL))||
	 (PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == FDD))) {
      
      phy_procedures_eNB_TX(proc->subframe,PHY_vars_eNB_g[0][proc->CC_id],0,no_relay,NULL);
      
knopp's avatar
 
knopp committed
880
    }
knopp's avatar
 
knopp committed
881 882
    if ((subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_tx)==SF_S)) {
      phy_procedures_eNB_TX(proc->subframe,PHY_vars_eNB_g[0][proc->CC_id],0,no_relay,NULL);
knopp's avatar
 
knopp committed
883
    }
knopp's avatar
 
knopp committed
884
    
knopp's avatar
 
knopp committed
885
    
knopp's avatar
 
knopp committed
886
    do_OFDM_mod_rt(proc->subframe_tx,PHY_vars_eNB_g[0][proc->CC_id]);  
knopp's avatar
 
knopp committed
887
    
knopp's avatar
 
knopp committed
888 889
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
      printf("[openair][SCHED][eNB] error locking mutex for eNB TX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
890
    }
knopp's avatar
 
knopp committed
891 892
    else {
      proc->instance_cnt_tx--;
knopp's avatar
 
knopp committed
893
      
knopp's avatar
 
knopp committed
894 895 896 897
      if (pthread_mutex_unlock(&proc->mutex_tx) != 0) {	
	printf("[openair][SCHED][eNB] error unlocking mutex for eNB TX proc %d\n",proc->subframe);
      }
    }
knopp's avatar
 
knopp committed
898
    
knopp's avatar
 
knopp committed
899 900 901
    proc->frame_tx++;
    if (proc->frame_tx==1024)
      proc->frame_tx=0;
knopp's avatar
 
knopp committed
902
  }    
knopp's avatar
 
knopp committed
903 904 905 906
  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),0);        
#ifdef HARD_RT
  rt_make_soft_real_time();
#endif
knopp's avatar
 
knopp committed
907
  
knopp's avatar
 
knopp committed
908 909 910 911 912 913 914 915 916 917
#ifdef DEBUG_THREADS
  printf("Exiting eNB thread TX %d\n",proc->subframe);
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
#else
  eNB_thread_tx_status[proc->subframe]=0;
  pthread_exit(&eNB_thread_tx_status[proc->subframe]);
#endif
knopp's avatar
 
knopp committed
918
  
knopp's avatar
 
knopp committed
919 920 921 922 923 924 925 926 927 928 929 930 931
#ifdef DEBUG_THREADS
  printf("Exiting eNB TX thread %d\n",proc->subframe);
#endif
}

int eNB_thread_rx_status[10];
static void * eNB_thread_rx(void *param) {

  //unsigned long cpuid;
  eNB_proc_t *proc = (eNB_proc_t*)param;
  //  RTIME time_in,time_out;
#ifdef RTAI
  RT_TASK *task;
932
  char task_name[8];
knopp's avatar
 
knopp committed
933 934 935 936 937 938 939 940
#endif

#if defined(ENABLE_ITTI)
  /* Wait for eNB application initialization to be complete (eNB registration to MME) */
  wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
#endif

#ifdef RTAI
941
  sprintf(task_name,"RXC%1dS%1d",proc->CC_id,proc->subframe);
knopp's avatar
 
knopp committed
942 943 944 945 946 947 948
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_RX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
    return 0;
  }
  else {
949 950
    LOG_I(PHY,"[SCHED][eNB] eNB RX thread CC_id %d SF %d started with id %p\n", /*  on CPU %d*/
	  proc->CC_id,
knopp's avatar
 
knopp committed
951
	  proc->subframe,
952
	  task); /*,rtai_cpuid()*/
knopp's avatar
 
knopp committed
953 954 955 956 957 958 959 960 961 962 963 964 965 966 967 968 969 970 971 972 973 974 975 976 977 978 979 980 981 982
  }
#else
  LOG_I(PHY,"[SCHED][eNB] eNB RX thread %d started on CPU %d\n",
	proc->subframe,sched_getcpu());
#endif

  mlockall(MCL_CURRENT | MCL_FUTURE);

  //rt_set_runnable_on_cpuid(task,1);
  //cpuid = rtai_cpuid();

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

  while (!oai_exit){

    vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe),0);


    //    LOG_I(PHY,"Locking mutex for eNB proc %d (IC %d,mutex %p)\n",proc->subframe,proc->instance_cnt,&proc->mutex);
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
      LOG_E(PHY,"[SCHED][eNB] error locking mutex for eNB RX proc %d\n",proc->subframe);
    }
    else {
        
      while (proc->instance_cnt_rx < 0) {
	//	LOG_I(PHY,"Waiting and unlocking mutex for eNB proc %d (IC %d,lock %d)\n",proc->subframe,proc->instance_cnt,pthread_mutex_trylock(&proc->mutex));

	pthread_cond_wait(&proc->cond_rx,&proc->mutex_rx);
knopp's avatar
 
knopp committed
983
      }
knopp's avatar
 
knopp committed
984 985 986
      //      LOG_I(PHY,"Waking up and unlocking mutex for eNB proc %d\n",proc->subframe);
      if (pthread_mutex_unlock(&proc->mutex_rx) != 0) {	
	LOG_E(PHY,"[SCHED][eNB] error unlocking mutex for eNB RX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
987 988
      }
    }
knopp's avatar
 
knopp committed
989 990 991 992
    vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe),1);    

    if (oai_exit) break;
    
knopp's avatar
 
knopp committed
993 994 995
    if ((((PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == TDD )&&(subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_rx)==SF_UL)) ||
	 (PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == FDD))){
      phy_procedures_eNB_RX(proc->subframe,PHY_vars_eNB_g[0][proc->CC_id],0,no_relay);
knopp's avatar
 
knopp committed
996
    }
knopp's avatar
 
knopp committed
997 998
    if ((subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_rx)==SF_S)){
      phy_procedures_eNB_S_RX(proc->subframe,PHY_vars_eNB_g[0][proc->CC_id],0,no_relay);
knopp's avatar
 
knopp committed
999 1000 1001 1002
    }
      
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
      printf("[openair][SCHED][eNB] error locking mutex for eNB RX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
1003 1004
    }
    else {
knopp's avatar
 
knopp committed
1005
      proc->instance_cnt_rx--;
knopp's avatar
 
knopp committed
1006
      
knopp's avatar
 
knopp committed
1007 1008
      if (pthread_mutex_unlock(&proc->mutex_rx) != 0) {	
	printf("[openair][SCHED][eNB] error unlocking mutex for eNB RX proc %d\n",proc->subframe);
knopp's avatar
 
knopp committed
1009 1010
      }
    }
knopp's avatar
 
knopp committed
1011 1012 1013 1014

    proc->frame_rx++;
    if (proc->frame_rx==1024)
      proc->frame_rx=0;
knopp's avatar
 
knopp committed
1015
    
knopp's avatar
 
knopp committed
1016 1017
  }
  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe),0);        
knopp's avatar
 
knopp committed
1018
#ifdef HARD_RT
knopp's avatar
 
knopp committed
1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030
  rt_make_soft_real_time();
#endif

#ifdef DEBUG_THREADS
  printf("Exiting eNB thread RX %d\n",proc->subframe);
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
#else
  eNB_thread_rx_status[proc->subframe]=0;
  pthread_exit(&eNB_thread_rx_status[proc->subframe]);
knopp's avatar
 
knopp committed
1031 1032
#endif

knopp's avatar
 
knopp committed
1033 1034 1035
#ifdef DEBUG_THREADS
  printf("Exiting eNB RX thread %d\n",proc->subframe);
#endif
knopp's avatar
 
knopp committed
1036 1037 1038 1039
}



knopp's avatar
 
knopp committed
1040

1041
void init_eNB_proc(void) {
knopp's avatar
 
knopp committed
1042 1043

  int i;
knopp's avatar
 
knopp committed
1044 1045 1046 1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073
  int CC_id;

  for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
    for (i=0;i<10;i++) {
      pthread_attr_init (&attr_eNB_proc_tx[CC_id][i]);
      pthread_attr_setstacksize(&attr_eNB_proc_tx[CC_id][i],OPENAIR_THREAD_STACK_SIZE);
      //attr_dlsch_threads.priority = 1;
      sched_param_eNB_proc_tx[CC_id][i].sched_priority = sched_get_priority_max(SCHED_FIFO)-1; //OPENAIR_THREAD_PRIORITY;
      pthread_attr_setschedparam  (&attr_eNB_proc_tx[CC_id][i], &sched_param_eNB_proc_tx[CC_id][i]);
      pthread_attr_setschedpolicy (&attr_eNB_proc_tx[CC_id][i], SCHED_FIFO);
      
      pthread_attr_init (&attr_eNB_proc_rx[CC_id][i]);
      pthread_attr_setstacksize(&attr_eNB_proc_rx[CC_id][i],OPENAIR_THREAD_STACK_SIZE);
      //attr_dlsch_threads.priority = 1;
      sched_param_eNB_proc_rx[CC_id][i].sched_priority = sched_get_priority_max(SCHED_FIFO)-1; //OPENAIR_THREAD_PRIORITY;
      pthread_attr_setschedparam  (&attr_eNB_proc_rx[CC_id][i], &sched_param_eNB_proc_rx[CC_id][i]);