lte-softmodem.c 85.1 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


knopp's avatar
   
knopp committed
150
151
int32_t *rxdata;
int32_t *txdata;
152
153
154
155
void setup_ue_buffers(PHY_VARS_UE *phy_vars_ue, LTE_DL_FRAME_PARMS *frame_parms, int carrier);
void setup_eNB_buffers(PHY_VARS_eNB *phy_vars_eNB, LTE_DL_FRAME_PARMS *frame_parms, int carrier);

#ifdef XFORMS
156
157
158
159
// 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];
160
FD_stats_form                  *form_stats=NULL;
161
char title[255];
162
unsigned char                   scope_enb_num_ue = 1;
163
164
165
#endif //XFORMS

#ifdef RTAI
166
static SEM                     *mutex;
167
168
//static CND *cond;

169
170
static int                      thread0;
static int                      thread1;
knopp's avatar
   
knopp committed
171
172
173
#ifdef USRP
static SEM *sync_sem; // to sync rx & tx streaming
#endif
174
175
//static int sync_thread;
#else
176
177
178
179
pthread_t                       thread0;
pthread_t                       thread1;
pthread_attr_t                  attr_dlsch_threads;
struct sched_param              sched_param_dlsch;
knopp's avatar
   
knopp committed
180
181
182
183
#ifdef USRP
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
#endif
184
185
#endif

knopp's avatar
   
knopp committed
186
187
188
189
pthread_attr_t                  attr_eNB_proc_tx[MAX_NUM_CCs][10];
pthread_attr_t                  attr_eNB_proc_rx[MAX_NUM_CCs][10];
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
190

191
192
193
194
195
196
#ifdef XFORMS
static pthread_t                thread2; //xforms
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
#endif
197

knopp's avatar
   
knopp committed
198
199
200
openair0_device openair0;
openair0_timestamp timestamp;

201
/*
knopp's avatar
   
knopp committed
202
203
204
  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;
205
206
207
208
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

209
int                             card = 0;
knopp's avatar
   
knopp committed
210

211

212
#if defined(ENABLE_ITTI)
213
214
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
215
#endif
216
217
218
219
220
221
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
222

223
static char                     UE_flag=0;
gauthier's avatar
gauthier committed
224
static uint8_t                       eNB_id=0,UE_id=0;
225

gauthier's avatar
gauthier committed
226
uint32_t                             carrier_freq[4] =           {1907600000,1907600000,1907600000,1907600000}; /* For UE! */
227
static uint32_t          downlink_frequency[4] =     {1907600000,1907600000,1907600000,1907600000};
gauthier's avatar
gauthier committed
228
static int32_t                      uplink_frequency_offset[4]= {-120000000,-120000000,-120000000,-120000000};
229
230
static char                    *conf_config_file_name = NULL;

231
#if defined(ENABLE_ITTI)
232
static char                    *itti_dump_file = NULL;
knopp's avatar
   
knopp committed
233
234
#endif

gauthier's avatar
gauthier committed
235
236
#ifndef USRP
double tx_gain = 20;
knopp's avatar
   
knopp committed
237
double rx_gain = 10;
gauthier's avatar
gauthier committed
238
#else
knopp's avatar
   
knopp committed
239
240
double tx_gain = 120;
double rx_gain = 30;
gauthier's avatar
gauthier committed
241
#endif
knopp's avatar
   
knopp committed
242

knopp's avatar
   
knopp committed
243
244
double sample_rate=30.72e6;
double bw = 14e6;
245

knopp's avatar
   
knopp committed
246
#ifndef USRP
247
248
249
250
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 int                      tx_max_power =  0;
251

knopp's avatar
   
knopp committed
252

knopp's avatar
   
knopp committed
253
#else
knopp's avatar
   
knopp committed
254
static unsigned int             rxg_max[4] =    {133,133,133,133};
knopp's avatar
   
knopp committed
255
256
//static unsigned int            rxg_med[4] =    {127,127,127,127};
//static unsigned int            rxg_byp[4] =    {120,120,120,120};
knopp's avatar
   
knopp committed
257
static int                      tx_max_power =  0;
knopp's avatar
   
knopp committed
258
259
260
char ref[128] = "internal";
char channels[128] = "0";

knopp's avatar
   
knopp committed
261
262
263
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
264
265
266
267
268
269
270
271
272

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
273
/*
knopp's avatar
   
knopp committed
274
275
276
  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};
277
*/
knopp's avatar
   
knopp committed
278
279
//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
280
281
//{8254617, 8254617, 8254617, 8254617}; //eNB khalifa
//{8255067,8254810,8257340,8257340}; // eNB PETRONAS
282

knopp's avatar
   
knopp committed
283
284
285
286
287
//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};
288
289
290

static runmode_t                mode;
static int                      rx_input_level_dBm;
291
static int                      online_log_messages=0;
292
#ifdef XFORMS
293
extern int                      otg_enabled;
294
static char                     do_forms=0;
295
#else
296
int                             otg_enabled;
297
#endif
knopp's avatar
   
knopp committed
298
//int                             number_of_cards =   1;
knopp's avatar
   
knopp committed
299
#ifndef USRP
300
301
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
302
#endif
303

304
static LTE_DL_FRAME_PARMS      *frame_parms;
305

knopp's avatar
   
knopp committed
306
int multi_thread=1;
knopp's avatar
   
knopp committed
307
int N_RB_DL=25;
knopp's avatar
   
knopp committed
308

309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
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;

324
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
325
{
knopp's avatar
   
knopp committed
326
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
327
328
329
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
knopp's avatar
   
knopp committed
330
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
331
332
}

333
#if !defined(ENABLE_ITTI)
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
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 {
349
    oai_exit = 1;
350
351
  }
}
352
#endif
353
354
355

void exit_fun(const char* s)
{
356
  if (s != NULL) {
gauthier's avatar
gauthier committed
357
    printf("%s %s() Exiting: %s\n",__FILE__, __FUNCTION__, s);
358
359
360
361
362
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
363
  itti_terminate_tasks (TASK_UNKNOWN);
364
#endif
365
366
367
368
369
370

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

knopp's avatar
   
knopp committed
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
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);
  }
}

401
#ifdef XFORMS
402
static void *scope_thread(void *arg) {
knopp's avatar
   
knopp committed
403
  char stats_buffer[16384];
404
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
405
406
  FILE *UE_stats, *eNB_stats;
  int len = 0;
407
# endif
knopp's avatar
   
knopp committed
408
  struct sched_param sched_param;
409

knopp's avatar
   
knopp committed
410
411
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
412

knopp's avatar
   
knopp committed
413
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
414
    
knopp's avatar
   
knopp committed
415
416
417
418
419
420
  /*
    if (UE_flag==1) 
    UE_stats  = fopen("UE_stats.txt", "w");
    else 
    eNB_stats = fopen("eNB_stats.txt", "w");
  */
421
    
knopp's avatar
   
knopp committed
422
423
  while (!oai_exit) {
    if (UE_flag==1) {
424
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
425
      len =
426
# endif
knopp's avatar
   
knopp committed
427
428
	dump_ue_stats (PHY_vars_UE_g[0], stats_buffer, 0, mode,rx_input_level_dBm);
      fl_set_object_label(form_stats->stats_text, stats_buffer);
429
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
430
431
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
432
# endif
knopp's avatar
   
knopp committed
433
434
435
436
      phy_scope_UE(form_ue[UE_id], 
		   PHY_vars_UE_g[UE_id],
		   eNB_id,
		   UE_id,7);
437
            
knopp's avatar
   
knopp committed
438
    } else {
439
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
440
      len =
441
# endif
knopp's avatar
   
knopp committed
442
	dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
knopp's avatar
   
knopp committed
443
      fl_set_object_label(form_stats->stats_text, stats_buffer);
444
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
445
446
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
447
# endif
knopp's avatar
   
knopp committed
448
449
      for(UE_id=0;UE_id<scope_enb_num_ue;UE_id++) {
	phy_scope_eNB(form_enb[UE_id], 
knopp's avatar
   
knopp committed
450
		      PHY_vars_eNB_g[eNB_id][0],
knopp's avatar
   
knopp committed
451
452
		      UE_id);
      }
453
454
              
    }
knopp's avatar
   
knopp committed
455
456
457
    //printf("doing forms\n");
    usleep(100000); // 100 ms
  }
458
    
459
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
460
461
  fclose (UE_stats);
  fclose (eNB_stats);
462
# endif
463
    
knopp's avatar
   
knopp committed
464
  pthread_exit((void*)arg);
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
}
#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;
490
491
492
493
494
495
496

  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);
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
 
  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);
    }
519
520
  else 
    printf("[EMOS] Opened GPS, gps_data=%p\n");
521
522
523
524
525
526
527
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
  
  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
566
	if (UE_flag==0)
567
	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
568
	else
569
570
571
572
573
574
575
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
	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

630
#if defined(ENABLE_ITTI)
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
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
649
#if defined(ENABLE_ITTI)
650
void *l2l1_task(void *arg)
651
{
knopp's avatar
   
knopp committed
652
653
654
655
656
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
657

knopp's avatar
   
knopp committed
658
659
  if (UE_flag == 0) {
    /* Wait for the initialize message */
660
    do {
knopp's avatar
   
knopp committed
661
662
663
664
      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);
      }
665
666
667
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
knopp's avatar
   
knopp committed
668
669
670
671
672
673
674
675
676
677
678
679
680
681
      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;
682
      }
knopp's avatar
   
knopp committed
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
    } 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;
705

knopp's avatar
   
knopp committed
706
707
708
709
710
711
712
713
714
715
716
717
    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);
718

knopp's avatar
   
knopp committed
719
  return NULL;
720
721
722
}
#endif

knopp's avatar
   
knopp committed
723
724
725
726
727
728

void do_OFDM_mod(int subframe,PHY_VARS_eNB *phy_vars_eNB) {

  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
729
  int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
knopp's avatar
   
knopp committed
730
    ((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
knopp's avatar
   
knopp committed
731
732
733

  slot_offset_F = (subframe<<1)*slot_sizeF;
    
knopp's avatar
   
knopp committed
734
735
  slot_offset = subframe*phy_vars_eNB->lte_frame_parms.samples_per_tti;

knopp's avatar
   
knopp committed
736
737
  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
738
    //	  LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
knopp's avatar
   
knopp committed
739

knopp's avatar
   
knopp committed
740
    
knopp's avatar
   
knopp committed
741
742
743
744
745
746
747
748
749
750
    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
751
752
753
754
755
756
757
758
	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
759
760
761
762
763
764
      }
      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
765
766
767
768
	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
769
      }
knopp's avatar
   
knopp committed
770
771

      for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti; i++) {
knopp's avatar
   
knopp committed
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
	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
789
790
791

  //unsigned long cpuid;
  eNB_proc_t *proc = (eNB_proc_t*)param;
knopp's avatar
   
knopp committed
792
  //  RTIME time_in,time_out;
knopp's avatar
   
knopp committed
793
794
#ifdef RTAI
  RT_TASK *task;
795
  char task_name[8];
knopp's avatar
   
knopp committed
796
#endif
knopp's avatar
   
knopp committed
797
798

 
knopp's avatar
   
knopp committed
799

knopp's avatar
   
knopp committed
800
801
802
803
804
#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
805
#ifdef RTAI
806
  sprintf(task_name,"eNTX%d",proc->subframe);
knopp's avatar
   
knopp committed
807
808
809
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
knopp's avatar
   
knopp committed
810
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_TX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
knopp's avatar
   
knopp committed
811
812
813
    return 0;
  }
  else {
814
    LOG_I(PHY,"[SCHED][eNB] eNB TX thread %d started with id %p\n",
knopp's avatar
   
knopp committed
815
	  proc->subframe,
816
	  task);
knopp's avatar
   
knopp committed
817
  }
knopp's avatar
   
knopp committed
818
#else
knopp's avatar
   
knopp committed
819
820
821
  //  LOG_I(PHY,
	printf("[SCHED][eNB] eNB TX thread %d started on CPU %d\n",
	       proc->subframe,sched_getcpu());
knopp's avatar
   
knopp committed
822
823
824
825
826
827
828
829
830
831
832
833
#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
834
    
knopp's avatar
   
knopp committed
835
    vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),0);
knopp's avatar
   
knopp committed
836
837
    
    
knopp's avatar
   
knopp committed
838
    //    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
839
840
    //printf("Locking mutex for eNB proc %d (subframe_tx %d))\n",proc->subframe,subframe_tx);

knopp's avatar
   
knopp committed
841
842
    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
843
844
    }
    else {
knopp's avatar
   
knopp committed
845
      
knopp's avatar
   
knopp committed
846
847
      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
848
	//printf("Waiting and unlocking mutex for eNB proc %d (subframe_tx %d)\n",proc->subframe,subframe_tx);
knopp's avatar
   
knopp committed
849
	
knopp's avatar
   
knopp committed
850
	pthread_cond_wait(&proc->cond_tx,&proc->mutex_tx);
knopp's avatar
   
knopp committed
851
      }
knopp's avatar
   
knopp committed
852
853
854
      //      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
855
856
      }
    }
knopp's avatar
   
knopp committed
857
858
859
    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
860
    
knopp's avatar
   
knopp committed
861
    if (oai_exit) break;
knopp's avatar
   
knopp committed
862

knopp's avatar
   
knopp committed
863
864
865
866
867
868
869
    
    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
870
    }
knopp's avatar
   
knopp committed
871
872
    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
873
    }
knopp's avatar
   
knopp committed
874
    
knopp's avatar
   
knopp committed
875
876
    
    do_OFDM_mod(proc->subframe_tx,PHY_vars_eNB_g[0][proc->CC_id]);  
knopp's avatar
   
knopp committed
877
    
knopp's avatar
   
knopp committed
878
879
    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
880
    }
knopp's avatar
   
knopp committed
881
882
    else {
      proc->instance_cnt_tx--;
knopp's avatar
   
knopp committed
883
      
knopp's avatar
   
knopp committed
884
885
886
887
      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
888
    
knopp's avatar
   
knopp committed
889
890
891
    proc->frame_tx++;
    if (proc->frame_tx==1024)
      proc->frame_tx=0;
knopp's avatar
   
knopp committed
892
  }    
knopp's avatar
   
knopp committed
893
894
895
896
  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
897
  
knopp's avatar
   
knopp committed
898
899
900
901
902
903
904
905
906
907
#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
908
  
knopp's avatar
   
knopp committed
909
910
911
912
913
914
915
916
917
918
919
920
921
#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;
922
  char task_name[8];
knopp's avatar
   
knopp committed
923
924
925
926
927
928
929
930
#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
931
  sprintf(task_name,"eNRX%d",proc->subframe);
knopp's avatar
   
knopp committed
932
933
934
935
936
937
938
  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 {
939
    LOG_I(PHY,"[SCHED][eNB] eNB RX thread %d started with id %p\n", /*  on CPU %d*/
knopp's avatar
   
knopp committed
940
	  proc->subframe,
941
	  task); /*,rtai_cpuid()*/
knopp's avatar
   
knopp committed
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
  }
#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
972
      }
knopp's avatar
   
knopp committed
973
974
975
      //      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
976
977
      }
    }
knopp's avatar
   
knopp committed
978
979
980
981
    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
982
983
984
    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
985
    }
knopp's avatar
   
knopp committed
986
987
    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
988
989
990
991
    }
      
    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
992
993
    }
    else {
knopp's avatar
   
knopp committed
994
      proc->instance_cnt_rx--;
knopp's avatar
   
knopp committed
995
      
knopp's avatar
   
knopp committed
996
997
      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
998
999
      }
    }
knopp's avatar
   
knopp committed
1000

For faster browsing, not all history is shown. View entire blame