lte-softmodem.c 99.7 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

knopp's avatar
   
knopp committed
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
#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>
51
#include <linux/sched.h>
52
53
54
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>
55
#include <syscall.h>
56
57

#include "rt_wrapper.h"
58
59
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all

knopp's avatar
knopp committed
60
#ifndef EXMIMO
knopp's avatar
   
knopp committed
61
static int hw_subframe;
knopp's avatar
   
knopp committed
62
#endif
knopp's avatar
   
knopp committed
63

64
#include "assertions.h"
65
66
67

#ifdef EMOS
#include <gps.h>
jiangx's avatar
jiangx committed
68
struct gps_fix_t dummy_gps_data;
69
70
71
#endif

#include "PHY/types.h"
72

73
#include "PHY/defs.h"
74
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
knopp's avatar
   
knopp committed
75
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
76

knopp's avatar
knopp committed
77
#ifdef EXMIMO
78
#include "openair0_lib.h"
knopp's avatar
   
knopp committed
79
80
81
82
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

knopp's avatar
   
knopp committed
83
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
84
85
86

#include "PHY/vars.h"
#include "MAC_INTERFACE/vars.h"
87
//#include "SCHED/defs.h"
88
89
90
91
92
93
94
95
96
97
98
99
#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
#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
100
#include "LAYER2/MAC/proto.h"
101
102
103
104
105
106
107
108
109
#include "RRC/LITE/vars.h"
#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"
nikaeinn's avatar
nikaeinn committed
110
#include "UTIL/OTG/otg_tx.h"
111
#include "UTIL/OTG/otg_externs.h"
112
113
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
114
#include "UTIL/OPT/opt.h"
115
#include "enb_config.h"
nikaeinn's avatar
nikaeinn committed
116
//#include "PHY/TOOLS/time_meas.h"
117

Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
118
119
120
121
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif

122
123
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
124
# include "create_tasks.h"
125
126
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
127
128
129
#ifdef NAS_NETLINK
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
130
# endif
131
132
#endif

133
134
135
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
136
137
138
139
140
#endif

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

Florian Kaltenberger's avatar
Florian Kaltenberger committed
141
//#define DEBUG_THREADS 1
knopp's avatar
   
knopp committed
142

knopp's avatar
   
knopp committed
143
144
//#define USRP_DEBUG 1

145
146
147
148
149
150
151
152
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;


knopp's avatar
   
knopp committed
153

154
openair0_config_t openair0_cfg[MAX_CARDS];
knopp's avatar
   
knopp committed
155

knopp's avatar
   
knopp committed
156
157
int32_t **rxdata;
int32_t **txdata;
158
159
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]);
160

161
void fill_ue_band_info(void);
162
#ifdef XFORMS
163
164
165
166
// 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];
167
FD_stats_form                  *form_stats=NULL,*form_stats_l2=NULL;
168
char title[255];
169
unsigned char                   scope_enb_num_ue = 1;
170
171
172
#endif //XFORMS

#ifdef RTAI
173

174
175
static long                      main_eNB_thread;
static long                      main_ue_thread;
176

177
#else
knopp's avatar
   
knopp committed
178
179
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
180

181
pthread_attr_t                  attr_dlsch_threads;
182
183
pthread_attr_t                  attr_UE_thread;

184
#ifndef LOWLATENCY
185
struct sched_param              sched_param_dlsch;
186
#endif 
187
#endif
knopp's avatar
   
knopp committed
188

knopp's avatar
   
knopp committed
189
190
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
191
192
int sync_var=-1;

193

194
195


196
struct sched_param              sched_param_UE_thread;
197
198
199
200

pthread_attr_t                  attr_eNB_proc_tx[MAX_NUM_CCs][10];
pthread_attr_t                  attr_eNB_proc_rx[MAX_NUM_CCs][10];
#ifndef LOWLATENCY
knopp's avatar
   
knopp committed
201
202
struct sched_param              sched_param_eNB_proc_tx[MAX_NUM_CCs][10];
struct sched_param              sched_param_eNB_proc_rx[MAX_NUM_CCs][10];
203
#endif
204
#ifdef XFORMS
knopp's avatar
   
knopp committed
205
static pthread_t                forms_thread; //xforms
206
207
208
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
jiangx's avatar
jiangx committed
209
static pthread_t                thread4; //GPS
210
#endif
211

knopp's avatar
   
knopp committed
212
openair0_device openair0;
213

knopp's avatar
   
knopp committed
214

215
/*
knopp's avatar
   
knopp committed
216
217
218
  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;
219
220
221
222
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

223
int                             card = 0;
knopp's avatar
   
knopp committed
224

225

226
#if defined(ENABLE_ITTI)
227
228
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
229
#endif
230
231
232
233
234
235
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
236

237
static char                     UE_flag=0;
238
239
//static uint8_t                  eNB_id=0,UE_id=0;

240

241
242
uint32_t                 downlink_frequency[MAX_NUM_CCs][4];
int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4]; 
gauthier's avatar
gauthier committed
243

244
openair0_rf_map rf_map[MAX_NUM_CCs];
245

246
static char                    *conf_config_file_name = NULL;
247
#if defined(ENABLE_ITTI)
248
static char                    *itti_dump_file = NULL;
knopp's avatar
   
knopp committed
249
250
#endif

251
252
253
254
int UE_scan = 1;
runmode_t mode = normal_txrx;


knopp's avatar
   
knopp committed
255
#ifdef EXMIMO
256
257
double tx_gain[MAX_NUM_CCs][4] = {{20,20,0,0},{20,20,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{20,20,0,0},{20,20,0,0}};
258
// these are for EXMIMO2 target only
259
/*
knopp's avatar
   
knopp committed
260
261
262
  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};
263
264
*/
// these are for EXMIMO2 card 39
265
266
267
268
269
270
271
unsigned int             rxg_max[4] =    {128,128,128,126};
unsigned int             rxg_med[4] =    {122,123,123,120};
unsigned int             rxg_byp[4] =    {116,117,116,116};
unsigned int             nf_max[4] =    {7,9,16,12};
unsigned int             nf_med[4] =    {12,13,22,17};
unsigned int             nf_byp[4] =    {15,20,29,23};
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain},{max_gain,max_gain,max_gain,max_gain}};
gauthier's avatar
gauthier committed
272
#else
kortke's avatar
kortke committed
273
274
double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{110,0,0,0}};
gauthier's avatar
gauthier committed
275
#endif
knopp's avatar
   
knopp committed
276

knopp's avatar
   
knopp committed
277
278
double sample_rate=30.72e6;
double bw = 14e6;
279

280
static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
281

knopp's avatar
knopp committed
282
#ifndef EXMIMO
knopp's avatar
   
knopp committed
283
284
285
char ref[128] = "internal";
char channels[128] = "0";

knopp's avatar
   
knopp committed
286
287
unsigned int samples_per_frame = 307200;
unsigned int tx_forward_nsamps;
knopp's avatar
   
knopp committed
288
289
290
int tx_delay;

#endif
291
292

int                      rx_input_level_dBm;
293
static int                      online_log_messages=0;
294
#ifdef XFORMS
295
extern int                      otg_enabled;
296
static char                     do_forms=0;
297
#else
298
int                             otg_enabled;
299
#endif
knopp's avatar
   
knopp committed
300
//int                             number_of_cards =   1;
knopp's avatar
   
knopp committed
301
#ifdef EXMIMO
302
303
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
304
#endif
305

knopp's avatar
   
knopp committed
306
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
307

knopp's avatar
   
knopp committed
308
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
309
uint32_t target_dl_mcs = 28; //maximum allowed mcs
310
uint32_t target_ul_mcs = 10;
311
312
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
313

knopp's avatar
   
knopp committed
314

315
time_stats_t softmodem_stats_mt; // main thread
knopp's avatar
   
knopp committed
316
time_stats_t softmodem_stats_hw; //  hw acquisition
317
318
time_stats_t softmodem_stats_tx_sf[10]; // total tx time 
time_stats_t softmodem_stats_rx_sf[10]; // total rx time 
nikaeinn's avatar
nikaeinn committed
319
320
void reset_opp_meas(void);
void print_opp_meas(void);
321
int transmission_mode=1;
knopp's avatar
   
knopp committed
322

knopp's avatar
   
knopp committed
323

324
int16_t           glog_level         = LOG_INFO;
gauthier's avatar
   
gauthier committed
325
int16_t           glog_verbosity     = LOG_MED;
326
int16_t           hw_log_level       = LOG_INFO;
gauthier's avatar
   
gauthier committed
327
int16_t           hw_log_verbosity   = LOG_MED;
328
int16_t           phy_log_level      = LOG_INFO;
gauthier's avatar
   
gauthier committed
329
int16_t           phy_log_verbosity  = LOG_MED;
330
int16_t           mac_log_level      = LOG_INFO;
gauthier's avatar
   
gauthier committed
331
int16_t           mac_log_verbosity  = LOG_MED;
332
int16_t           rlc_log_level      = LOG_INFO;
gauthier's avatar
   
gauthier committed
333
int16_t           rlc_log_verbosity  = LOG_MED;
334
int16_t           pdcp_log_level     = LOG_INFO;
gauthier's avatar
   
gauthier committed
335
int16_t           pdcp_log_verbosity = LOG_MED;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
336
int16_t           rrc_log_level      = LOG_INFO;
gauthier's avatar
   
gauthier committed
337
int16_t           rrc_log_verbosity  = LOG_MED;
338
339
340
int16_t           opt_log_level      = LOG_INFO;
int16_t           opt_log_verbosity  = LOG_MED;

gauthier's avatar
   
gauthier committed
341
342
343
344
345
346
# if defined(ENABLE_USE_MME)
int16_t           gtpu_log_level     = LOG_DEBUG;
int16_t           gtpu_log_verbosity = LOG_MED;
int16_t           udp_log_level      = LOG_DEBUG;
int16_t           udp_log_verbosity  = LOG_MED;
#endif
347
348
349
350
#if defined (ENABLE_SECURITY)
int16_t           osa_log_level      = LOG_INFO;
int16_t           osa_log_verbosity  = LOG_MED;
#endif 
351

knopp's avatar
   
knopp committed
352
353
354

#ifdef ETHERNET
char rrh_eNB_ip[20] = "127.0.0.1";
knopp's avatar
knopp committed
355
int rrh_eNB_port = 50000;
knopp's avatar
   
knopp committed
356
char *rrh_UE_ip = "127.0.0.1";
357
int rrh_UE_port = 51000;
knopp's avatar
   
knopp committed
358
359
360
#endif

char uecap_xer[1024],uecap_xer_in=0;
361
362
extern void *UE_thread(void *arg);
extern void init_UE_threads(void);
knopp's avatar
   
knopp committed
363

364
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
365
{
knopp's avatar
   
knopp committed
366
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
367
368
369
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
knopp's avatar
   
knopp committed
370
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
371
372
}

373
374
375
376
377
378
379
380
381
382
383
384
#ifdef LOWLATENCY
int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags) {

  return syscall(__NR_sched_setattr, pid, attr, flags);
}


int sched_getattr(pid_t pid,struct sched_attr *attr,unsigned int size, unsigned int flags){

  return syscall(__NR_sched_getattr, pid, attr, size, flags);
}
#endif 
385
#if !defined(ENABLE_ITTI)
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
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 {
401
    printf("trying to exit gracefully...\n"); 
402
    oai_exit = 1;
403
404
  }
}
405
#endif
406
407
408

void exit_fun(const char* s)
{
409
  if (s != NULL) {
410
    printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
411
412
413
414
415
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
416
  sleep(1); //allow lte-softmodem threads to exit first
417
  itti_terminate_tasks (TASK_UNKNOWN);
418
#endif
419
420
421
422
423
424

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

knopp's avatar
   
knopp committed
425
426
427
static int latency_target_fd = -1;
static int32_t latency_target_value = 0;
/* Latency trick - taken from cyclictest.c 
knopp's avatar
   
knopp committed
428
429
430
431
432
433
434
435
436
 * 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
 */
knopp's avatar
   
knopp committed
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
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);
  }
}
knopp's avatar
   
knopp committed
454
 
455
#ifdef XFORMS
456
457
458
459

void reset_stats(FL_OBJECT *button, long arg) {
  int i,j,k;
  PHY_VARS_eNB *phy_vars_eNB = PHY_vars_eNB_g[0][0];
460
461
462
463
464
465
466
467
468
469
470
471
  for (i=0;i<NUMBER_OF_UE_MAX;i++) {
    for (k=0;k<8;k++) {//harq_processes
      for (j=0;j<phy_vars_eNB->dlsch_eNB[i][0]->Mdlharq;j++) {
	phy_vars_eNB->eNB_UE_stats[i].dlsch_NAK[k][j]=0;
	phy_vars_eNB->eNB_UE_stats[i].dlsch_ACK[k][j]=0;
	phy_vars_eNB->eNB_UE_stats[i].dlsch_trials[k][j]=0;
      }
      phy_vars_eNB->eNB_UE_stats[i].dlsch_l2_errors[k]=0;
      phy_vars_eNB->eNB_UE_stats[i].ulsch_errors[k]=0;
      phy_vars_eNB->eNB_UE_stats[i].ulsch_consecutive_errors=0;
      for (j=0;j<phy_vars_eNB->ulsch_eNB[i]->Mdlharq;j++) {
	phy_vars_eNB->eNB_UE_stats[i].ulsch_decoding_attempts[k][j]=0;
knopp's avatar
   
knopp committed
472
473
474
	phy_vars_eNB->eNB_UE_stats[i].ulsch_decoding_attempts_last[k][j]=0;
	phy_vars_eNB->eNB_UE_stats[i].ulsch_round_errors[k][j]=0;
	phy_vars_eNB->eNB_UE_stats[i].ulsch_round_fer[k][j]=0;
475
      }
476
    }
477
478
479
    phy_vars_eNB->eNB_UE_stats[i].dlsch_sliding_cnt=0;
    phy_vars_eNB->eNB_UE_stats[i].dlsch_NAK_round0=0;
    phy_vars_eNB->eNB_UE_stats[i].dlsch_mcs_offset=0;
480
481
482
  }
}

483
static void *scope_thread(void *arg) {
knopp's avatar
   
knopp committed
484
  char stats_buffer[16384];
485
# ifdef ENABLE_XFORMS_WRITE_STATS
knopp's avatar
   
knopp committed
486
  FILE *UE_stats, *eNB_stats;
487
# endif
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
488
  int len = 0;
knopp's avatar
   
knopp committed
489
  struct sched_param sched_param;
490
  int UE_id;
491

knopp's avatar
   
knopp committed
492
493
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
494

knopp's avatar
   
knopp committed
495
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
496
    
497
498
# ifdef ENABLE_XFORMS_WRITE_STATS
  if (UE_flag==1) 
knopp's avatar
   
knopp committed
499
    UE_stats  = fopen("UE_stats.txt", "w");
500
  else 
knopp's avatar
   
knopp committed
501
    eNB_stats = fopen("eNB_stats.txt", "w");
502
#endif
503
    
knopp's avatar
   
knopp committed
504
505
  while (!oai_exit) {
    if (UE_flag==1) {
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
506
      len = dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
knopp's avatar
   
knopp committed
507
      fl_set_object_label(form_stats->stats_text, stats_buffer);
508

509
510
511
512
      phy_scope_UE(form_ue[0], 
		   PHY_vars_UE_g[0][0],
		   0,
		   0,7);
513
            
knopp's avatar
   
knopp committed
514
    } else {
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
515
516
#ifdef OPENAIR2
      len = dump_eNB_l2_stats (stats_buffer, 0);
517
      fl_set_object_label(form_stats_l2->stats_text, stats_buffer);
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
518
519
520
521
522
#endif
      len = dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
      if (MAX_NUM_CCs>1)
	len += dump_eNB_stats (PHY_vars_eNB_g[0][1], &stats_buffer[len], 0);
    
523
524
      fl_set_object_label(form_stats->stats_text, stats_buffer);

knopp's avatar
   
knopp committed
525
526
      for(UE_id=0;UE_id<scope_enb_num_ue;UE_id++) {
	phy_scope_eNB(form_enb[UE_id], 
527
		      PHY_vars_eNB_g[0][0],
knopp's avatar
   
knopp committed
528
529
		      UE_id);
      }
530
531
              
    }
knopp's avatar
   
knopp committed
532
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
533
534
    //usleep(100000); // 100 ms
    sleep(1);
knopp's avatar
   
knopp committed
535
  }
536
537

  printf("%s",stats_buffer);
538
    
539
# ifdef ENABLE_XFORMS_WRITE_STATS
540
541
542
543
544
545
546
547
548
549
550
551
552
553
  if (UE_flag==1) {
    if (UE_stats) {
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
      fclose (UE_stats);
    }
  }
  else {
    if (eNB_stats) {
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
      fclose (eNB_stats);
    }
  }
554
# endif
555
    
knopp's avatar
   
knopp committed
556
  pthread_exit((void*)arg);
557
558
559
560
561
562
}
#endif

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

jiangx's avatar
jiangx committed
563
564
565
566
567
568
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
void* gps_thread (void *arg)
{

  struct gps_data_t gps_data;
  struct gps_data_t *gps_data_ptr = &gps_data;
  struct sched_param sched_param;
  int ret;

  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; 
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
  
  printf("GPS thread has priority %d\n",sched_param.sched_priority);

  memset(&dummy_gps_data,0,sizeof(struct gps_fix_t));
  
#if GPSD_API_MAJOR_VERSION>=5
  ret = gps_open("127.0.0.1","2947",gps_data_ptr);
  if (ret!=0)
#else
  gps_data_ptr = gps_open("127.0.0.1","2947");
  if (gps_data_ptr == NULL) 
#endif
    {
      printf("[EMOS] Could not open GPS\n");
      pthread_exit((void*)arg);
    }
#if GPSD_API_MAJOR_VERSION>=4
  else if (gps_stream(gps_data_ptr, WATCH_ENABLE,NULL) != 0)
#else
  else if (gps_query(gps_data_ptr, "w+x") != 0)
#endif
    {
      printf("[EMOS] Error sending command to GPS\n");
      pthread_exit((void*) arg);
    }
  else 
    printf("[EMOS] Opened GPS, gps_data=%p\n", gps_data_ptr);
  

  while (!oai_exit)
    {
      printf("[EMOS] polling data from gps\n");
#if GPSD_API_MAJOR_VERSION>=5
      if (gps_waiting(gps_data_ptr,500)) {
	if (gps_read(gps_data_ptr) <= 0) {
#else
      if (gps_waiting(gps_data_ptr)) {
	if (gps_poll(gps_data_ptr) != 0) {
#endif
	  printf("[EMOS] problem polling data from gps\n");
	}
	else {
	  memcpy(&dummy_gps_data,&(gps_data_ptr->fix),sizeof(struct gps_fix_t));
	  printf("[EMOS] lat %g, lon %g\n",gps_data_ptr->fix.latitude,gps_data_ptr->fix.longitude);
	}
      } //gps_waiting
      else {
	printf("[EMOS] WARNING: No GPS data available, storing dummy packet\n");
      }
      //rt_sleep_ns(1000000000LL);
      sleep(1);
    } //oai_exit

  pthread_exit((void*) arg);

}

630
631
632
633
634
635
636
637
638
639
640
641
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;
  
jiangx's avatar
jiangx committed
642
  int channel_buffer_size,ret;
643
644
645
646
  
  time_t timer;
  struct tm *now;

647
648
649
650
651
652
  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);
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
 
  timer = time(NULL);
  now = localtime(&timer);

  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);
    }


jiangx's avatar
jiangx committed
693
  printf("[EMOS] starting dump, channel_buffer_size=%d, fifo %d\n",channel_buffer_size,fifo);
694
695
  while (!oai_exit)
    {
jiangx's avatar
jiangx committed
696
      /*
697
698
699
      bytes = rtf_read_timed(fifo, fifo2file_ptr, channel_buffer_size,100);
      if (bytes==0)
	continue;
jiangx's avatar
jiangx committed
700
701
702
703
704
705
706
707
708
      */
      bytes = rtf_read_all_at_once(fifo, fifo2file_ptr, channel_buffer_size);
      if (bytes<=0) {
	usleep(100);
	continue;
      }
      if (bytes != channel_buffer_size) {
	printf("[EMOS] ERROR! Only got %d bytes instead of %d!\n",bytes,channel_buffer_size);
      }
709
      /*
jiangx's avatar
jiangx committed
710
      if (UE_flag==0)
711
	printf("eNB: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx,bytes);
jiangx's avatar
jiangx committed
712
      else
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
	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);
            }
jiangx's avatar
jiangx committed
739
740

	  if (fwrite(&dummy_gps_data, sizeof(char), sizeof(struct gps_fix_t), dumpfile_id) != sizeof(struct gps_fix_t))
741
	    {
jiangx's avatar
jiangx committed
742
743
	      printf("[EMOS] Error writing to dumpfile, stopping recording\n");
	      exit(EXIT_FAILURE);
744
	    }
jiangx's avatar
jiangx committed
745
	}
746
747
748
749
750
751
752
753
754
755
756
    }
  
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
  
  pthread_exit((void*) arg);

}
#endif

757
758


759
#if defined(ENABLE_ITTI)
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
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
778
#if defined(ENABLE_ITTI)
779
void *l2l1_task(void *arg)
780
{
knopp's avatar
   
knopp committed
781
782
783
784
785
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
786

knopp's avatar
   
knopp committed
787
788
  if (UE_flag == 0) {
    /* Wait for the initialize message */
789
    do {
knopp's avatar
   
knopp committed
790
791
792
793
      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);
      }
794
795
796
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
knopp's avatar
   
knopp committed
797
798
799
800
801
802
803
      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:
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
804
	printf("received terminate message\n");
knopp's avatar
   
knopp committed
805
806
807
808
809
810
811
	oai_exit=1;
	itti_exit_task ();
	break;

      default:
	LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
	break;
812
      }
knopp's avatar
   
knopp committed
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
    } 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;
835

knopp's avatar
   
knopp committed
836
837
838
839
840
841
842
843
844
845
846
    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);
thomasl's avatar
thomasl committed
847
  } while(!oai_exit);
848

knopp's avatar
   
knopp committed
849
  return NULL;
850
851
852
}
#endif

knopp's avatar
   
knopp committed
853

knopp's avatar
   
knopp committed
854
void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB) {
knopp's avatar
   
knopp committed
855
856
857
858

  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
859
  int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
knopp's avatar
   
knopp committed
860
    ((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
knopp's avatar
   
knopp committed
861
862
863

  slot_offset_F = (subframe<<1)*slot_sizeF;
    
knopp's avatar
   
knopp committed
864
865
  slot_offset = subframe*phy_vars_eNB->lte_frame_parms.samples_per_tti;

knopp's avatar
   
knopp committed
866
867
  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
868
    //	  LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);
knopp's avatar
   
knopp committed
869

knopp's avatar
   
knopp committed
870
    
knopp's avatar
   
knopp committed
871
872
873
874
875
876
877
878
879
880
    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
881
882
883
884
885
886
887
888
	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
889
890
891
892
893
894
      }
      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
895
896
897
898
	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
899
      }
knopp's avatar
   
knopp committed
900
901

      for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti; i++) {
knopp's avatar
   
knopp committed
902
903
904
905
906
907
	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]=
knopp's avatar
   
knopp committed
908
#ifdef EXMIMO
knopp's avatar
   
knopp committed
909
	  ((short*)dummy_tx_b)[2*i]<<4;
knopp's avatar
   
knopp committed
910
#else
gauthier's avatar
gauthier committed
911
	  ((short*)dummy_tx_b)[2*i]<<5;
knopp's avatar
   
knopp committed
912
#endif
knopp's avatar
   
knopp committed
913
	((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
knopp's avatar
   
knopp committed
914
#ifdef EXMIMO
knopp's avatar
   
knopp committed
915
	  ((short*)dummy_tx_b)[2*i+1]<<4;
knopp's avatar
   
knopp committed
916
#else
gauthier's avatar
gauthier committed
917
	  ((short*)dummy_tx_b)[2*i+1]<<5;
knopp's avatar
   
knopp committed
918
#endif
knopp's avatar
   
knopp committed
919
920
921
922
923
924
925
926
      }
    }
  }
}


int eNB_thread_tx_status[10];
static void * eNB_thread_tx(void *param) {
knopp's avatar
   
knopp committed
927
928
929

  //unsigned long cpuid;
  eNB_proc_t *proc = (eNB_proc_t*)param;
knopp's avatar
   
knopp committed
930
  //  RTIME time_in,time_out;
knopp's avatar
   
knopp committed
931
932
#ifdef RTAI
  RT_TASK *task;
933
  char task_name[8];
934
935
936
937
#else 
#ifdef LOWLATENCY
  struct sched_attr attr;
  unsigned int flags = 0;
knopp's avatar
   
knopp committed
938
#endif
939
#endif 
knopp's avatar
   
knopp committed
940
941

 
knopp's avatar
   
knopp committed
942
  /*#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
943
  // Wait for eNB application initialization to be complete (eNB registration to MME)
knopp's avatar
   
knopp committed
944
  wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
knopp's avatar
   
knopp committed
945
  #endif*/
knopp's avatar
   
knopp committed
946

knopp's avatar
   
knopp committed
947
#ifdef RTAI
948
  sprintf(task_name,"TXC%dS%d",proc->CC_id,proc->subframe);
knopp's avatar
   
knopp committed
949
950
951
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
gauthier's avatar
gauthier committed
952
953
954
  LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_TX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
  return 0;
}
knopp's avatar
   
knopp committed
955
  else {
gauthier's avatar
gauthier committed
956
957
958
959
960
  LOG_I(PHY,"[SCHED][eNB] eNB TX thread CC %d SF %d started with id %p\n",
    proc->CC_id,
    proc->subframe,
    task);
}
knopp's avatar
   
knopp committed
961
#else
962
963
964
965
966
967
#ifdef LOWLATENCY
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
  
nikaeinn's avatar
nikaeinn committed
968
  /* This creates a 1ms reservation every 10ms period*/
969
  attr.sched_policy = SCHED_DEADLINE;
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
970
971
972
  attr.sched_runtime  = 0.9   *  1000000;  // each tx thread requires 1ms to finish its job
  attr.sched_deadline = 1   *  1000000; // each tx thread will finish within 1ms
  attr.sched_period   = 1   * 10000000; // each tx thread has a period of 10ms from the starting point
973
974
  
  if (sched_setattr(0, &attr, flags) < 0 ){
gauthier's avatar
gauthier committed
975
976
977
  perror("[SCHED] eNB tx thread: sched_setattr failed\n");
  exit(-1);
}
978
  LOG_I(HW,"[SCHED] eNB TX deadline thread %d(id %ld) started on CPU %d\n",
gauthier's avatar
gauthier committed
979
    proc->subframe, gettid(),sched_getcpu());
980
981
#else 
  LOG_I(HW,"[SCHED] eNB TX thread %d started on CPU %d\n",
gauthier's avatar
gauthier committed
982
    proc->subframe,sched_getcpu());
983
984
#endif

knopp's avatar
   
knopp committed
985
986
987
988
989
990
991
992
993
994
995
996
#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
997
    
gauthier's avatar
gauthier committed
998
  vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe),0);
knopp's avatar
   
knopp committed
999
    
gauthier's avatar
gauthier committed
1000
1001
  //LOG_I(PHY,"Locking mutex for eNB proc %d (IC %d,mutex %p)\n",proc->subframe,proc->instance_cnt,&proc->mutex);
  //    printf("Locking mutex for eNB proc %d (subframe_tx %d))\n",proc->subframe,proc->instance_cnt_tx);
knopp's avatar
   
knopp committed
1002

knopp's avatar
knopp committed
1003
1004
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
      LOG_E(PHY,"[SCHED][eNB] error locking mutex for eNB TX proc %d\n",proc->subframe);
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
1005
      exit_fun("nothing to add");
knopp's avatar
knopp committed
1006
1007
    }
    else {
knopp's avatar
   
knopp committed
1008
      
gauthier's avatar
gauthier committed
1009
1010
1011
  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));
  //printf("Waiting and unlocking mutex for eNB proc %d (subframe_tx %d)\n",proc->subframe,proc->instance_cnt_tx);
knopp's avatar
   
knopp committed
1012
	
knopp's avatar
knopp committed
1013
1014
1015
1016
1017
	pthread_cond_wait(&proc->cond_tx,&proc->mutex_tx);
      }
      //      LOG_I(PHY,"Waking up and unlocking mutex for eNB proc %d instance_cnt_tx %d\n",proc->subframe,proc->instance_cnt_tx);
      if (pthread_mutex_unlock(&proc->mutex_tx) != 0) {	
	LOG_E(PHY,"[SCHED][eNB] error unlocking mutex for eNB TX proc %d\n",proc->subframe);
Florian Kaltenberger's avatar
   
Florian Kaltenberger committed
1018
	exit_fun("nothing to add");
knopp's avatar
knopp committed
1019
1020
1021
1022
1023
      }
    }
    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_TX_ENB, proc->frame_tx);
    start_meas(&softmodem_stats_tx_sf[proc->subframe]);
1024

gauthier's avatar
gauthier committed
1025
  if (oai_exit) break;
knopp's avatar
   
knopp committed
1026

knopp's avatar
   
knopp committed
1027
    
gauthier's avatar
gauthier committed
1028
1029
1030
  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))) {
ghaddab's avatar
ghaddab committed
1031

1032
  phy_procedures_eNB_TX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay, NULL );
knopp's avatar
   
knopp committed
1033
      
gauthier's avatar
gauthier committed
1034
1035
1036
1037
}
  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
1038
    
gauthier's avatar
gauthier committed
1039
  do_OFDM_mod_rt(proc->subframe_tx,PHY_vars_eNB_g[0][proc->CC_id]);  
knopp's avatar
   
knopp committed
1040
    
gauthier's avatar
gauthier committed
1041
1042
1043
1044
1045
  if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
  printf("[openair][SCHED][eNB] error locking mutex for eNB TX proc %d\n",proc->subframe);
}
  else {
  proc->instance_cnt_tx--;
knopp's avatar
   
knopp committed
1046
      
gauthier's avatar
gauthier committed
1047
1048
1049
1050
  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
1051

knopp's avatar
   
knopp committed
1052
    
gauthier's avatar
gauthier committed
1053
1054
1055
  proc->frame_tx++;
  if (proc->frame_tx==1024)
    proc->frame_tx=0;
knopp's avatar
   
knopp committed
1056

gauthier's avatar
gauthier committed
1057
}    
1058
  stop_meas(&softmodem_stats_tx_sf[proc->subframe]);
knopp's avatar
   
knopp committed
1059
1060
1061
1062
  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
1063
  
knopp's avatar
   
knopp committed
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
#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
1074
  
knopp's avatar
   
knopp committed
1075
1076
1077
1078
1079
#ifdef DEBUG_THREADS
  printf("Exiting eNB TX thread %d\n",proc->subframe);
#endif
}

gauthier's avatar
gauthier committed
1080
1081
  int eNB_thread_rx_status[10];
  static void * eNB_thread_rx(void *param) {
knopp's avatar
   
knopp committed
1082
1083
1084
1085
1086
1087

  //unsigned long cpuid;
  eNB_proc_t *proc = (eNB_proc_t*)param;
  //  RTIME time_in,time_out;
#ifdef RTAI
  RT_TASK *task;