lte-softmodem.c 103 KB
Newer Older
1
/*******************************************************************************
2
    OpenAirInterface
3
    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
    You should have received a copy of the GNU General Public License
17 18
    along with OpenAirInterface.The full GNU General Public License is
    included in this distribution in the file called "COPYING". If not,
19
    see <http://www.gnu.org/licenses/>.
20

21 22 23 24
   Contact Information
   OpenAirInterface Admin: openair_admin@eurecom.fr
   OpenAirInterface Tech : openair_tech@eurecom.fr
   OpenAirInterface Dev  : openair4g-devel@eurecom.fr
25

ghaddab's avatar
ghaddab committed
26
   Address      : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
27

Raymond Knopp's avatar
 
Raymond Knopp committed
28
*******************************************************************************/
29 30

/*! \file lte-softmodem.c
Raymond Knopp's avatar
 
Raymond Knopp committed
31
 * \brief main program to control HW and scheduling
32
 * \author R. Knopp, F. Kaltenberger, Navid Nikaein
Raymond Knopp's avatar
 
Raymond 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
Raymond Knopp's avatar
 
Raymond Knopp committed
37 38 39
 * \note
 * \warning
 */
Raymond Knopp's avatar
 
Raymond 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

60
#include "assertions.h"
61
#include "msc.h"
62 63 64

#ifdef EMOS
#include <gps.h>
jiangx's avatar
jiangx committed
65
struct gps_fix_t dummy_gps_data;
66 67 68
#endif

#include "PHY/types.h"
69

70
#include "PHY/defs.h"
71
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
Raymond Knopp's avatar
 
Raymond Knopp committed
72
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
73

74
#ifdef EXMIMO
75
#include "openair0_lib.h"
Raymond Knopp's avatar
 
Raymond Knopp committed
76 77 78 79
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
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 95 96
#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"
97
#include "LAYER2/MAC/proto.h"
98 99 100 101 102 103 104 105 106
#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"
Navid Nikaein's avatar
Navid Nikaein committed
107
#include "UTIL/OTG/otg_tx.h"
108
#include "UTIL/OTG/otg_externs.h"
109 110
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
111
#include "UTIL/OPT/opt.h"
112
#include "enb_config.h"
Navid Nikaein's avatar
Navid Nikaein committed
113
//#include "PHY/TOOLS/time_meas.h"
114

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
115 116 117 118
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif

119 120
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
121
# include "create_tasks.h"
122 123
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
124
#ifdef PDCP_USE_NETLINK
125 126
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
127
# endif
128 129
#endif

130 131 132
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
133 134 135 136 137
#endif

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

Florian Kaltenberger's avatar
Florian Kaltenberger committed
138
//#define DEBUG_THREADS 1
Raymond Knopp's avatar
 
Raymond Knopp committed
139

Raymond Knopp's avatar
 
Raymond Knopp committed
140 141
//#define USRP_DEBUG 1

142
struct timing_info_t {
143 144 145 146
    //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;
147 148 149
} timing_info;


Raymond Knopp's avatar
 
Raymond Knopp committed
150

151
openair0_config_t openair0_cfg[MAX_CARDS];
Raymond Knopp's avatar
 
Raymond Knopp committed
152

Raymond Knopp's avatar
 
Raymond Knopp committed
153 154
int32_t **rxdata;
int32_t **txdata;
155 156
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]);
157

158
void fill_ue_band_info(void);
159
#ifdef XFORMS
160
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
161
// at eNB 0, an UL scope for every UE
162 163
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
FD_lte_phy_scope_enb *form_enb[NUMBER_OF_UE_MAX];
164
FD_stats_form                  *form_stats=NULL,*form_stats_l2=NULL;
165
char title[255];
166
unsigned char                   scope_enb_num_ue = 1;
167 168 169
#endif //XFORMS

#ifdef RTAI
170

171 172
static long                      main_eNB_thread;
static long                      main_ue_thread;
173

174
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
175 176
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
177

178
pthread_attr_t                  attr_dlsch_threads;
179 180
pthread_attr_t                  attr_UE_thread;

181
#ifndef LOWLATENCY
182
struct sched_param              sched_param_dlsch;
183
#endif
184
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
185

Raymond Knopp's avatar
 
Raymond Knopp committed
186 187
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
188 189
int sync_var=-1;

190

191 192


193
struct sched_param              sched_param_UE_thread;
194

195 196
pthread_attr_t                  attr_eNB_proc_tx[MAX_NUM_CCs][NUM_ENB_THREADS];
pthread_attr_t                  attr_eNB_proc_rx[MAX_NUM_CCs][NUM_ENB_THREADS];
197
#ifndef LOWLATENCY
198 199
struct sched_param              sched_param_eNB_proc_tx[MAX_NUM_CCs][NUM_ENB_THREADS];
struct sched_param              sched_param_eNB_proc_rx[MAX_NUM_CCs][NUM_ENB_THREADS];
200
#endif
201
#ifdef XFORMS
Raymond Knopp's avatar
 
Raymond Knopp committed
202
static pthread_t                forms_thread; //xforms
203 204 205
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
jiangx's avatar
jiangx committed
206
static pthread_t                thread4; //GPS
207
#endif
208

Raymond Knopp's avatar
 
Raymond Knopp committed
209
openair0_device openair0;
210

Raymond Knopp's avatar
 
Raymond Knopp committed
211

212
/*
Raymond Knopp's avatar
 
Raymond Knopp committed
213 214 215
  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;
216 217 218 219
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

220
int                             card = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
221

222

223
#if defined(ENABLE_ITTI)
224 225
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
226
#endif
227 228 229 230 231 232
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};

Raymond Knopp's avatar
 
Raymond Knopp committed
233

234
static char                     UE_flag=0;
235 236
//static uint8_t                  eNB_id=0,UE_id=0;

237

238
uint32_t                 downlink_frequency[MAX_NUM_CCs][4];
239
int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4];
Lionel Gauthier's avatar
Lionel Gauthier committed
240

241
openair0_rf_map rf_map[MAX_NUM_CCs];
242

243
static char                    *conf_config_file_name = NULL;
244
#if defined(ENABLE_ITTI)
245
static char                    *itti_dump_file = NULL;
Raymond Knopp's avatar
 
Raymond Knopp committed
246 247
#endif

248 249 250 251
int UE_scan = 1;
runmode_t mode = normal_txrx;


Raymond Knopp's avatar
 
Raymond Knopp committed
252
#ifdef EXMIMO
253 254 255 256
#if MAX_NUM_CCs == 1
double tx_gain[MAX_NUM_CCs][4] = {{20,20,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{20,20,0,0}};
#else
257 258
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}};
259
#endif
260
// these are for EXMIMO2 target only
261
/*
Raymond Knopp's avatar
 
Raymond Knopp committed
262 263 264
  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};
265
 */
266
// these are for EXMIMO2 card 39
267 268 269 270 271 272
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};
273 274 275
#if MAX_NUM_CCs == 1
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
#else
276
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}};
277
#endif
Lionel Gauthier's avatar
Lionel Gauthier committed
278
#else
kortke's avatar
kortke committed
279 280
double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{110,0,0,0}};
Lionel Gauthier's avatar
Lionel Gauthier committed
281
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
282

Raymond Knopp's avatar
 
Raymond Knopp committed
283 284
double sample_rate=30.72e6;
double bw = 14e6;
285

286
static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
287

288
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
289 290 291
char ref[128] = "internal";
char channels[128] = "0";

Raymond Knopp's avatar
 
Raymond Knopp committed
292 293
unsigned int samples_per_frame = 307200;
unsigned int tx_forward_nsamps;
Raymond Knopp's avatar
 
Raymond Knopp committed
294 295 296
int tx_delay;

#endif
297 298

int                      rx_input_level_dBm;
299
static int                      online_log_messages=0;
300
#ifdef XFORMS
301
extern int                      otg_enabled;
302
static char                     do_forms=0;
303
#else
304
int                             otg_enabled;
305
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
306
//int                             number_of_cards =   1;
Raymond Knopp's avatar
 
Raymond Knopp committed
307
#ifdef EXMIMO
308 309
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
Raymond Knopp's avatar
 
Raymond Knopp committed
310
#endif
311

Raymond Knopp's avatar
 
Raymond Knopp committed
312
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
313

Raymond Knopp's avatar
 
Raymond Knopp committed
314
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
315
uint32_t target_dl_mcs = 28; //maximum allowed mcs
316
uint32_t target_ul_mcs = 10;
317 318
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
319

Raymond Knopp's avatar
 
Raymond Knopp committed
320

321
time_stats_t softmodem_stats_mt; // main thread
Raymond Knopp's avatar
 
Raymond Knopp committed
322
time_stats_t softmodem_stats_hw; //  hw acquisition
323 324
time_stats_t softmodem_stats_tx_sf[10]; // total tx time
time_stats_t softmodem_stats_rx_sf[10]; // total rx time
Navid Nikaein's avatar
Navid Nikaein committed
325 326
void reset_opp_meas(void);
void print_opp_meas(void);
327
int transmission_mode=1;
Raymond Knopp's avatar
 
Raymond Knopp committed
328

Raymond Knopp's avatar
 
Raymond Knopp committed
329

330
int16_t           glog_level         = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
331
int16_t           glog_verbosity     = LOG_MED;
332
int16_t           hw_log_level       = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
333
int16_t           hw_log_verbosity   = LOG_MED;
334
int16_t           phy_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
335
int16_t           phy_log_verbosity  = LOG_MED;
336
int16_t           mac_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
337
int16_t           mac_log_verbosity  = LOG_MED;
338
int16_t           rlc_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
339
int16_t           rlc_log_verbosity  = LOG_MED;
340
int16_t           pdcp_log_level     = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
341
int16_t           pdcp_log_verbosity = LOG_MED;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
342
int16_t           rrc_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
343
int16_t           rrc_log_verbosity  = LOG_MED;
344 345 346
int16_t           opt_log_level      = LOG_INFO;
int16_t           opt_log_verbosity  = LOG_MED;

Lionel Gauthier's avatar
 
Lionel Gauthier committed
347 348 349 350 351 352
# 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
353 354 355
#if defined (ENABLE_SECURITY)
int16_t           osa_log_level      = LOG_INFO;
int16_t           osa_log_verbosity  = LOG_MED;
356
#endif
357

Raymond Knopp's avatar
 
Raymond Knopp committed
358 359 360

#ifdef ETHERNET
char rrh_eNB_ip[20] = "127.0.0.1";
Raymond Knopp's avatar
Raymond Knopp committed
361
int rrh_eNB_port = 50000;
Raymond Knopp's avatar
 
Raymond Knopp committed
362
char *rrh_UE_ip = "127.0.0.1";
363
int rrh_UE_port = 51000;
Raymond Knopp's avatar
 
Raymond Knopp committed
364 365 366
#endif

char uecap_xer[1024],uecap_xer_in=0;
367 368
extern void *UE_thread(void *arg);
extern void init_UE_threads(void);
Raymond Knopp's avatar
 
Raymond Knopp committed
369

370
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
371
{
Raymond Knopp's avatar
 
Raymond Knopp committed
372
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
373 374 375
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
376
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
377 378
}

379
#ifdef LOWLATENCY
380 381
int sched_setattr(pid_t pid, const struct sched_attr *attr, unsigned int flags)
{
382 383 384 385 386

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


387 388
int sched_getattr(pid_t pid,struct sched_attr *attr,unsigned int size, unsigned int flags)
{
389 390 391

  return syscall(__NR_sched_getattr, pid, attr, size, flags);
}
392
#endif
393
#if !defined(ENABLE_ITTI)
394 395 396 397 398 399 400 401
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);
402

403 404 405 406
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
407 408
  } else {
    printf("trying to exit gracefully...\n");
409
    oai_exit = 1;
410 411
  }
}
412
#endif
413 414 415

void exit_fun(const char* s)
{
416
  if (s != NULL) {
417
    printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
418 419 420 421 422
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
423
  sleep(1); //allow lte-softmodem threads to exit first
424
  itti_terminate_tasks (TASK_UNKNOWN);
425
#endif
426 427 428 429 430 431

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

Raymond Knopp's avatar
 
Raymond Knopp committed
432 433
static int latency_target_fd = -1;
static int32_t latency_target_value = 0;
434
/* Latency trick - taken from cyclictest.c
Raymond Knopp's avatar
 
Raymond Knopp committed
435 436 437 438 439 440 441 442 443
 * 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
 */
Raymond Knopp's avatar
 
Raymond Knopp committed
444 445 446 447
static void set_latency_target(void)
{
  struct stat s;
  int ret;
448

Raymond Knopp's avatar
 
Raymond Knopp committed
449 450
  if (stat("/dev/cpu_dma_latency", &s) == 0) {
    latency_target_fd = open("/dev/cpu_dma_latency", O_RDWR);
451

Raymond Knopp's avatar
 
Raymond Knopp committed
452 453
    if (latency_target_fd == -1)
      return;
454

Raymond Knopp's avatar
 
Raymond Knopp committed
455
    ret = write(latency_target_fd, &latency_target_value, 4);
456

Raymond Knopp's avatar
 
Raymond Knopp committed
457 458 459 460 461
    if (ret == 0) {
      printf("# error setting cpu_dma_latency to %d!: %s\n", latency_target_value, strerror(errno));
      close(latency_target_fd);
      return;
    }
462

Raymond Knopp's avatar
 
Raymond Knopp committed
463 464 465
    printf("# /dev/cpu_dma_latency set to %dus\n", latency_target_value);
  }
}
466

467
#ifdef XFORMS
468

469 470
void reset_stats(FL_OBJECT *button, long arg)
{
471 472
  int i,j,k;
  PHY_VARS_eNB *phy_vars_eNB = PHY_vars_eNB_g[0][0];
473 474 475 476 477 478 479

  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;
480
      }
481

482 483 484
      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;
485 486 487 488 489 490

      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;
        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;
491
      }
492
    }
493

494 495 496
    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;
497 498 499
  }
}

500 501
static void *scope_thread(void *arg)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
502
  char stats_buffer[16384];
503
# ifdef ENABLE_XFORMS_WRITE_STATS
Raymond Knopp's avatar
 
Raymond Knopp committed
504
  FILE *UE_stats, *eNB_stats;
505
# endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
506
  int len = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
507
  struct sched_param sched_param;
508
  int UE_id;
509

510
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
Raymond Knopp's avatar
 
Raymond Knopp committed
511
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
512

Raymond Knopp's avatar
 
Raymond Knopp committed
513
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
514

515
# ifdef ENABLE_XFORMS_WRITE_STATS
516 517

  if (UE_flag==1)
Raymond Knopp's avatar
 
Raymond Knopp committed
518
    UE_stats  = fopen("UE_stats.txt", "w");
519
  else
Raymond Knopp's avatar
 
Raymond Knopp committed
520
    eNB_stats = fopen("eNB_stats.txt", "w");
521

522
#endif
523

Raymond Knopp's avatar
 
Raymond Knopp committed
524 525
  while (!oai_exit) {
    if (UE_flag==1) {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
526
      len = dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
Raymond Knopp's avatar
 
Raymond Knopp committed
527
      fl_set_object_label(form_stats->stats_text, stats_buffer);
528

529 530 531 532 533
      phy_scope_UE(form_ue[0],
                   PHY_vars_UE_g[0][0],
                   0,
                   0,7);

Raymond Knopp's avatar
 
Raymond Knopp committed
534
    } else {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
535 536
#ifdef OPENAIR2
      len = dump_eNB_l2_stats (stats_buffer, 0);
537
      fl_set_object_label(form_stats_l2->stats_text, stats_buffer);
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
538 539
#endif
      len = dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
540

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
541
      if (MAX_NUM_CCs>1)
542 543
        len += dump_eNB_stats (PHY_vars_eNB_g[0][1], &stats_buffer[len], 0);

544 545
      fl_set_object_label(form_stats->stats_text, stats_buffer);

546 547 548 549
      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
        phy_scope_eNB(form_enb[UE_id],
                      PHY_vars_eNB_g[0][0],
                      UE_id);
Raymond Knopp's avatar
 
Raymond Knopp committed
550
      }
551

552
    }
553

Raymond Knopp's avatar
 
Raymond Knopp committed
554
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
555 556
    //usleep(100000); // 100 ms
    sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
557
  }
558 559

  printf("%s",stats_buffer);
560

561
# ifdef ENABLE_XFORMS_WRITE_STATS
562

563 564 565 566 567 568
  if (UE_flag==1) {
    if (UE_stats) {
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
      fclose (UE_stats);
    }
569
  } else {
570 571 572 573 574 575
    if (eNB_stats) {
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
      fclose (eNB_stats);
    }
  }
576

577
# endif
578

Raymond Knopp's avatar
 
Raymond Knopp committed
579
  pthread_exit((void*)arg);
580 581 582 583 584 585
}
#endif

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

jiangx's avatar
jiangx committed
586 587 588 589 590 591 592 593
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;

594
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
jiangx's avatar
jiangx committed
595
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
596

jiangx's avatar
jiangx committed
597 598 599
  printf("GPS thread has priority %d\n",sched_param.sched_priority);

  memset(&dummy_gps_data,0,sizeof(struct gps_fix_t));
600

jiangx's avatar
jiangx committed
601 602
#if GPSD_API_MAJOR_VERSION>=5
  ret = gps_open("127.0.0.1","2947",gps_data_ptr);
603

jiangx's avatar
jiangx committed
604 605 606
  if (ret!=0)
#else
  gps_data_ptr = gps_open("127.0.0.1","2947");
607 608

  if (gps_data_ptr == NULL)
jiangx's avatar
jiangx committed
609
#endif
610 611 612 613 614
  {
    printf("[EMOS] Could not open GPS\n");
    pthread_exit((void*)arg);
  }

jiangx's avatar
jiangx committed
615 616 617 618 619
#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
620 621 622 623
  {
    printf("[EMOS] Error sending command to GPS\n");
    pthread_exit((void*) arg);
  } else
jiangx's avatar
jiangx committed
624 625
    printf("[EMOS] Opened GPS, gps_data=%p\n", gps_data_ptr);

626 627 628

  while (!oai_exit) {
    printf("[EMOS] polling data from gps\n");
jiangx's avatar
jiangx committed
629
#if GPSD_API_MAJOR_VERSION>=5
630 631 632

    if (gps_waiting(gps_data_ptr,500)) {
      if (gps_read(gps_data_ptr) <= 0) {
jiangx's avatar
jiangx committed
633
#else
634 635 636 637 638 639 640 641

    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);
jiangx's avatar
jiangx committed
642
      }
643 644 645 646 647 648 649 650
    } //gps_waiting
    else {
      printf("[EMOS] WARNING: No GPS data available, storing dummy packet\n");
    }

    //rt_sleep_ns(1000000000LL);
    sleep(1);
  } //oai_exit
jiangx's avatar
jiangx committed
651 652 653 654 655

  pthread_exit((void*) arg);

}

656 657 658 659 660 661 662 663 664 665 666
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;
667

jiangx's avatar
jiangx committed
668
  int channel_buffer_size,ret;
669

670 671 672
  time_t timer;
  struct tm *now;

673
  struct sched_param sched_param;
674 675

  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;
676
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
677

678
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
679

680 681 682 683 684 685 686 687 688 689 690 691
  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;

692 693 694 695
  if (fifo2file_buffer == NULL) {
    printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
    exit(EXIT_FAILURE);
  }
696

697 698 699 700
  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0) {
    fprintf(stderr, "[EMOS] Error opening the fifo\n");
    exit(EXIT_FAILURE);
  }
701 702 703 704 705


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
706 707
           (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);
708 709

  dumpfile_id = fopen(dumpfile_name,"w");
710 711 712 713 714

  if (dumpfile_id == NULL) {
    fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
    exit(EXIT_FAILURE);
  }
715 716


jiangx's avatar
jiangx committed
717
  printf("[EMOS] starting dump, channel_buffer_size=%d, fifo %d\n",channel_buffer_size,fifo);
718

719 720 721 722 723 724 725
  while (!oai_exit) {
    /*
    bytes = rtf_read_timed(fifo, fifo2file_ptr, channel_buffer_size,100);
    if (bytes==0)
    continue;
    */
    bytes = rtf_read_all_at_once(fifo, fifo2file_ptr, channel_buffer_size);
726

727 728 729 730
    if (bytes<=0) {
      usleep(100);
      continue;
    }
731

732 733 734
    if (bytes != channel_buffer_size) {
      printf("[EMOS] ERROR! Only got %d bytes instead of %d!\n",bytes,channel_buffer_size);
    }
735

736 737 738 739 740 741
    /*
    if (UE_flag==0)
    printf("eNB: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_eNB*)fifo2file_ptr)->frame_tx,bytes);
    else
    printf("UE: count %d, frame %d, read: %d bytes from the fifo\n",counter, ((fifo_dump_emos_UE*)fifo2file_ptr)->frame_rx,bytes);
    */
742

743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763
    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
764

765 766 767 768
      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);
      }
769
    }
770 771
  }

772 773 774
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
775

776 777 778 779 780
  pthread_exit((void*) arg);

}
#endif

781 782


783
#if defined(ENABLE_ITTI)
784 785 786 787 788
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[] = {".    ", "..   ", "...  ", ".... ", ".....",
789 790
                                " ....", "  ...", "   ..", "    .", "     "
                               };
791 792 793 794 795 796 797
    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);
    }
798

799 800 801 802 803
    LOG_D(EMU,"\n");
  }
}
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
804
#if defined(ENABLE_ITTI)
805
void *l2l1_task(void *arg)
806
{
Raymond Knopp's avatar
 
Raymond Knopp committed
807 808 809 810 811
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
812

Raymond Knopp's avatar
 
Raymond Knopp committed
813 814
  if (UE_flag == 0) {
    /* Wait for the initialize message */
815
    do {
Raymond Knopp's avatar
 
Raymond Knopp committed
816
      if (message_p != NULL) {
817 818
        result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
        AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
Raymond Knopp's avatar
 
Raymond Knopp committed
819
      }
820

821 822 823
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
Raymond Knopp's avatar
 
Raymond Knopp committed
824
      case INITIALIZE_MESSAGE:
825 826 827 828
        /* Start eNB thread */
        LOG_D(EMU, "L2L1 TASK received %s\n", ITTI_MSG_NAME(message_p));
        start_eNB = 1;
        break;
Raymond Knopp's avatar
 
Raymond Knopp committed
829 830

      case TERMINATE_MESSAGE:
831 832 833 834
        printf("received terminate message\n");
        oai_exit=1;
        itti_exit_task ();
        break;
Raymond Knopp's avatar
 
Raymond Knopp committed
835 836

      default:
837 838
        LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
        break;
839
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
840
    } while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
841

Raymond Knopp's avatar
 
Raymond Knopp committed
842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859 860 861 862
    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;
863

Raymond Knopp's avatar
 
Raymond Knopp committed
864 865 866 867 868 869 870 871 872 873 874
    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);
875
  } while(!oai_exit);
876

Raymond Knopp's avatar
 
Raymond Knopp committed
877
  return NULL;
878 879 880
}
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
881

882 883
void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
884 885 886 887

  unsigned int aa,slot_offset, slot_offset_F;
  int dummy_tx_b[7680*4] __attribute__((aligned(16)));
  int i, tx_offset;
Raymond Knopp's avatar
 
Raymond Knopp committed
888
  int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
889
                   ((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
Raymond Knopp's avatar
 
Raymond Knopp committed
890 891

  slot_offset_F = (subframe<<1)*slot_sizeF;
892

Raymond Knopp's avatar
 
Raymond Knopp committed
893 894
  slot_offset = subframe*phy_vars_eNB->lte_frame_parms.samples_per_tti;

Raymond Knopp's avatar
 
Raymond Knopp committed
895 896
  if ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_DL)||
      ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_S))) {
897 898
    //    LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);

Raymond Knopp's avatar
 
Raymond Knopp committed
899

Raymond Knopp's avatar
 
Raymond Knopp committed
900
    for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918 919 920 921 922 923 924 925 926
      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);
        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);
      } 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));
        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));
Raymond Knopp's avatar
 
Raymond Knopp committed
927
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
928 929

      for (i=0; i<phy_vars_eNB->lte_frame_parms.samples_per_tti; i++) {
930 931 932 933 934 935 936 937 938
        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]=
Raymond Knopp's avatar
 
Raymond Knopp committed
939
#ifdef EXMIMO
940
          ((short*)dummy_tx_b)[2*i]<<4;
Raymond Knopp's avatar
 
Raymond Knopp committed
941
#else
942
          ((short*)dummy_tx_b)[2*i]<<5;
Raymond Knopp's avatar
 
Raymond Knopp committed
943
#endif
944
        ((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1]=
Raymond Knopp's avatar
 
Raymond Knopp committed
945
#ifdef EXMIMO
946
          ((short*)dummy_tx_b)[2*i+1]<<4;
Raymond Knopp's avatar
 
Raymond Knopp committed
947
#else
948
          ((short*)dummy_tx_b)[2*i+1]<<5;
Raymond Knopp's avatar
 
Raymond Knopp committed
949
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
950 951 952 953 954 955
      }
    }
  }
}


956 957 958 959 960 961 962 963 964
/*!
 * \brief The transmit thread of eNB.
 * \ref NUM_ENB_THREADS threads of this type are active at the same time.
 * \param param is a \ref eNB_proc_t structure which contains the info what to process.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
static void* eNB_thread_tx( void* param )
{
  static int eNB_thread_tx_status[NUM_ENB_THREADS];
Raymond Knopp's avatar
 
Raymond Knopp committed
965 966

  eNB_proc_t *proc = (eNB_proc_t*)param;
967 968 969 970

  // set default return value
  eNB_thread_tx_status[proc->subframe] = 0;

Raymond Knopp's avatar
 
Raymond Knopp committed
971 972
#ifdef RTAI
  RT_TASK *task;
973
  char task_name[8];
Raymond Knopp's avatar
 
Raymond Knopp committed
974

975
  sprintf(task_name,"TXC%dS%d",proc->CC_id,proc->subframe);
Raymond Knopp's avatar
 
Raymond Knopp committed
976 977
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

978 979 980
  if (task == NULL) {
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_TX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
    return 0;
981 982 983 984 985
  } else {
    LOG_I(PHY,"[SCHED][eNB] eNB TX thread CC %d SF %d started with id %p\n",
          proc->CC_id,
          proc->subframe,
          task);
986
  }
987

Raymond Knopp's avatar
 
Raymond Knopp committed
988
#else
989
#ifdef LOWLATENCY
990 991 992
  struct sched_attr attr;
  unsigned int flags = 0;

993 994 995 996
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
997

998 999 1000
  // This creates a 1ms reservation every 10ms period
  attr.sched_policy   = SCHED_DEADLINE;
  attr.sched_runtime  = 0.9 *  1000000; // each tx thread requires 1ms to finish its job
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1001 1002
  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
1003

1004 1005 1006 1007
  if (sched_setattr(0, &attr, flags) < 0 ) {
    perror("[SCHED] eNB tx thread: sched_setattr failed\n");
    return &eNB_thread_tx_status[proc->subframe];
  }
1008

1009
  LOG_I( HW, "[SCHED] eNB TX deadline thread %d(id %ld) started on CPU %d\n", proc->subframe, gettid(), sched_getcpu() );
1010
#else
1011
  LOG_I( HW, "[SCHED][eNB] TX thread %d started on CPU %d\n", proc->subframe, sched_getcpu() );
1012 1013
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
1014 1015 1016 1017 1018 1019 1020 1021
#endif

  mlockall(MCL_CURRENT | MCL_FUTURE);

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

1022
  while (!oai_exit) {
1023

1024
    vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe), 0 );
1025

1026
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
1027
      LOG_E( PHY, "[SCHED][eNB] error locking mutex for eNB TX proc %d\n", proc->subframe );
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1028
      exit_fun("nothing to add");
1029
      break;
1030
    }
1031

1032
    while (proc->instance_cnt_tx < 0) {
1033 1034 1035
      // most of the time the thread is waiting here
      // proc->instance_cnt_tx is -1
      pthread_cond_wait( &proc->cond_tx, &proc->mutex_tx ); // this unlocks mutex_tx while waiting and then locks it again
1036
    }
1037

1038 1039 1040 1041 1042
    if (pthread_mutex_unlock(&proc->mutex_tx) != 0) {
      LOG_E(PHY,"[SCHED][eNB] error unlocking mutex for eNB TX proc %d\n",proc->subframe);
      exit_fun("nothing to add");
      break;
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1043

1044 1045 1046 1047 1048
    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] );

    if (oai_exit) break;
1049

1050 1051 1052
    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
1053

1054
      phy_procedures_eNB_TX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay, NULL );
1055

1056
    }
1057

1058 1059 1060
    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 );
    }
1061

1062
    do_OFDM_mod_rt( proc->subframe_tx, PHY_vars_eNB_g[0][proc->CC_id] );
1063

1064 1065 1066 1067 1068
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
      LOG_E( PHY, "[SCHED][eNB] error locking mutex for eNB TX proc %d\n", proc->subframe );
      exit_fun("nothing to add");
      break;
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1069

1070 1071 1072 1073 1074 1075 1076 1077 1078
    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 );
      exit_fun("nothing to add");
      break;
    }

    proc->frame_tx++;
1079

1080 1081 1082 1083 1084 1085 1086
    if (proc->frame_tx==1024)
      proc->frame_tx=0;

  }

  stop_meas( &softmodem_stats_tx_sf[proc->subframe] );
  vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe), 0 );
Raymond Knopp's avatar
 
Raymond Knopp committed
1087

Raymond Knopp's avatar
 
Raymond Knopp committed
1088 1089 1090
#ifdef HARD_RT
  rt_make_soft_real_time();
#endif
1091

Raymond Knopp's avatar
 
Raymond Knopp committed
1092
#ifdef DEBUG_THREADS
1093
  printf( "Exiting eNB thread TX %d\n", proc->subframe );
Raymond Knopp's avatar
 
Raymond Knopp committed
1094 1095 1096 1097 1098
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
#endif
1099

1100 1101
  eNB_thread_tx_status[proc->subframe] = 0;
  return &eNB_thread_tx_status[proc->subframe];
Raymond Knopp's avatar
 
Raymond Knopp committed
1102 1103 1104
}


1105 1106 1107 1108 1109 1110 1111 1112 1113 1114
/*!
 * \brief The receive thread of eNB.
 * \ref NUM_ENB_THREADS threads of this type are active at the same time.
 * \param param is a \ref eNB_proc_t structure which contains the info what to process.
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
static void* eNB_thread_rx( void* param )
{
  static int eNB_thread_rx_status[NUM_ENB_THREADS];

Raymond Knopp's avatar
 
Raymond Knopp committed
1115
  eNB_proc_t *proc = (eNB_proc_t*)param;
1116 1117 1118 1119

  // set default return value
  eNB_thread_rx_status[proc->subframe] = 0;

Raymond Knopp's avatar
 
Raymond Knopp committed
1120 1121
#ifdef RTAI
  RT_TASK *task;
1122
  char task_name[8];
Raymond Knopp's avatar
 
Raymond Knopp committed
1123

1124
  sprintf(task_name,"RXC%1dS%1d",proc->CC_id,proc->subframe);
Raymond Knopp's avatar
 
Raymond Knopp committed
1125 1126 1127
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
1128 1129
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_RX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
    return 0;
1130
  } else {
1131
    LOG_I(PHY,"[SCHED][eNB] eNB RX thread CC_id %d SF %d started with id %p\n", /*  on CPU %d*/
1132 1133 1134
          proc->CC_id,
          proc->subframe,
          task); /*,rtai_cpuid()*/
Raymond Knopp's avatar
 
Raymond Knopp committed
1135
  }
1136

Raymond Knopp's avatar
 
Raymond Knopp committed
1137
#else
1138
#ifdef LOWLATENCY
1139 1140 1141
  struct sched_attr attr;
  unsigned int flags = 0;

1142 1143 1144 1145
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
1146

Navid Nikaein's avatar
Navid Nikaein committed
1147
  /* This creates a 2ms reservation every 10ms period*/
1148
  attr.sched_policy = SCHED_DEADLINE;
1149
  attr.sched_runtime  = 0.9 *  1000000; // each rx thread must finish its job in the worst case in 2ms
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1150 1151
  attr.sched_deadline = 1   *  1000000; // each rx thread will finish within 2ms
  attr.sched_period   = 1   * 10000000; // each rx thread has a period of 10ms from the starting point
1152 1153

  if (sched_setattr(0, &attr, flags) < 0 ) {
1154
    perror("[SCHED] eNB RX sched_setattr failed\n");
1155
    return &eNB_thread_rx_status[proc->subframe];
1156
  }
1157

1158
  LOG_I( HW, "[SCHED] eNB RX deadline thread %d(id %ld) started on CPU %d\n", proc->subframe, gettid(), sched_getcpu() );
1159
#else
1160
  LOG_I( HW, "[SCHED][eNB] RX thread %d started on CPU %d\n", proc->subframe, sched_getcpu() );
Raymond Knopp's avatar
 
Raymond Knopp committed
1161
#endif
1162
#endif // RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
1163 1164 1165 1166 1167 1168 1169

  mlockall(MCL_CURRENT | MCL_FUTURE);

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

1170
  while (!oai_exit) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1171

1172
    vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe), 0 );
1173

Raymond Knopp's avatar
 
Raymond Knopp committed
1174
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
1175 1176 1177
      LOG_E( PHY, "[SCHED][eNB] error locking mutex for eNB RX proc %d\n", proc->subframe );
      exit_fun( "error locking mutex" );
      break;
Raymond Knopp's avatar
 
Raymond Knopp committed
1178 1179
    }

1180
    while (proc->instance_cnt_rx < 0) {
1181 1182 1183
      // most of the time the thread is waiting here
      // proc->instance_cnt_rx is -1
      pthread_cond_wait( &proc->cond_rx, &proc->mutex_rx ); // this unlocks mutex_rx while waiting and then locks it again
Raymond Knopp's avatar
 
Raymond Knopp committed
1184
    }
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194

    if (pthread_mutex_unlock(&proc->mutex_rx) != 0) {
      LOG_E( PHY, "[SCHED][eNB] error unlocking mutex for eNB RX proc %d\n", proc->subframe );
      exit_fun( "error unlocking mutex" );
      break;
    }

    vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe), 1 );
    vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX_ENB, proc->frame_rx );
    start_meas( &softmodem_stats_rx_sf[proc->subframe] );
1195

Raymond Knopp's avatar
 
Raymond Knopp committed
1196
    if (oai_exit) break;
1197

Raymond Knopp's avatar
 
Raymond Knopp committed
1198
    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)) ||
1199
         (PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == FDD))) {
1200
      phy_procedures_eNB_RX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay );
Raymond Knopp's avatar
 
Raymond Knopp committed
1201
    }
1202 1203

    if ((subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_rx) == SF_S)) {
1204
      phy_procedures_eNB_S_RX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay );
Raymond Knopp's avatar
 
Raymond Knopp committed
1205
    }
1206

Raymond Knopp's avatar
 
Raymond Knopp committed
1207
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
1208 1209 1210
      LOG_E( PHY, "[SCHED][eNB] error locking mutex for eNB RX proc %d\n", proc->subframe );
      exit_fun( "error locking mutex" );
      break;
Raymond Knopp's avatar
 
Raymond Knopp committed
1211
    }
1212 1213 1214 1215 1216 1217 1218

    proc->instance_cnt_rx--;

    if (pthread_mutex_unlock(&proc->mutex_rx) != 0) {
      LOG_E( PHY, "[SCHED][eNB] error unlocking mutex for eNB RX proc %d\n", proc->subframe );
      exit_fun( "error unlocking mutex" );
      break;
Raymond Knopp's avatar
 
Raymond Knopp committed
1219
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1220 1221

    proc->frame_rx++;
1222

Raymond Knopp's avatar
 
Raymond Knopp committed
1223 1224
    if (proc->frame_rx==1024)
      proc->frame_rx=0;
1225

Raymond Knopp's avatar
 
Raymond Knopp committed
1226
  }
1227 1228 1229 1230

  stop_meas( &softmodem_stats_rx_sf[proc->subframe] );
  vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe), 0 );

Raymond Knopp's avatar
 
Raymond Knopp committed
1231
#ifdef HARD_RT
Raymond Knopp's avatar
 
Raymond Knopp committed
1232 1233 1234 1235
  rt_make_soft_real_time();
#endif

#ifdef DEBUG_THREADS
1236
  printf( "Exiting eNB thread RX %d\n", proc->subframe );
Raymond Knopp's avatar
 
Raymond Knopp committed
1237 1238 1239 1240
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
Raymond Knopp's avatar
 
Raymond Knopp committed
1241 1242
#endif

1243 1244
  eNB_thread_rx_status[proc->subframe] = 0;
  return &eNB_thread_rx_status[proc->subframe];
Raymond Knopp's avatar
 
Raymond Knopp committed
1245 1246 1247 1248
}



Raymond Knopp's avatar
 
Raymond Knopp committed
1249

1250 1251
void init_eNB_proc(void)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
1252
  int i;
Raymond Knopp's avatar
 
Raymond Knopp committed
1253 1254
  int CC_id;

1255 1256 1257 1258
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
    for (i=0; i<NUM_ENB_THREADS; i++) {
      // set the stack size
      pthread_attr_init( &attr_eNB_proc_tx[CC_id][i] );
1259

1260
      if (pthread_attr_setstacksize( &attr_eNB_proc_tx[CC_id][i], PTHREAD_STACK_MIN ) != 0)
1261 1262
        perror("[ENB_PROC_TX] setting thread stack size failed\n");

1263
      pthread_attr_init( &attr_eNB_proc_rx[CC_id][i] );
1264

1265
      if (pthread_attr_setstacksize( &attr_eNB_proc_rx[CC_id][i], PTHREAD_STACK_MIN ) != 0)
1266
        perror("[ENB_PROC_RX] setting thread stack size failed\n");
1267

1268
#ifndef LOWLATENCY
1269
      // set the kernel scheduling policy and priority
Raymond Knopp's avatar
 
Raymond Knopp committed
1270 1271 1272 1273 1274 1275
      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);
      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]);
      pthread_attr_setschedpolicy (&attr_eNB_proc_rx[CC_id][i], SCHED_FIFO);
1276 1277
#endif

1278 1279 1280
      PHY_vars_eNB_g[0][CC_id]->proc[i].instance_cnt_tx = -1;
      PHY_vars_eNB_g[0][CC_id]->proc[i].instance_cnt_rx = -1;
      PHY_vars_eNB_g[0][CC_id]->proc[i].subframe = i;
Raymond Knopp's avatar
 
Raymond Knopp committed
1281
      PHY_vars_eNB_g[0][CC_id]->proc[i].CC_id = CC_id;
1282 1283 1284 1285 1286 1287
      pthread_mutex_init( &PHY_vars_eNB_g[0][CC_id]->proc[i].mutex_tx, NULL);
      pthread_mutex_init( &PHY_vars_eNB_g[0][CC_id]->proc[i].mutex_rx, NULL);
      pthread_cond_init( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_tx, NULL);
      pthread_cond_init( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_rx, NULL);
      pthread_create( &PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_tx, NULL, eNB_thread_tx, &PHY_vars_eNB_g[0][CC_id]->proc[i] );
      pthread_create( &PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_rx, NULL, eNB_thread_rx, &PHY_vars_eNB_g[0][CC_id]->proc[i] );
1288 1289 1290 1291 1292
      char name[16];
      snprintf( name, sizeof(name), "TX %d", i );
      pthread_setname_np( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_tx, name );
      snprintf( name, sizeof(name), "RX %d", i );
      pthread_setname_np( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_rx, name );
Raymond Knopp's avatar
 
Raymond Knopp committed
1293 1294
      PHY_vars_eNB_g[0][CC_id]->proc[i].frame_tx = 0;
      PHY_vars_eNB_g[0][CC_id]->proc[i].frame_rx = 0;
1295
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
1296 1297
      PHY_vars_eNB_g[0][CC_id]->proc[i].subframe_rx = (i+9)%10;
      PHY_vars_eNB_g[0][CC_id]->proc[i].subframe_tx = (i+1)%10;
Raymond Knopp's avatar
 
Raymond Knopp committed
1298
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
1299 1300
      PHY_vars_eNB_g[0][CC_id]->proc[i].subframe_rx = i;
      PHY_vars_eNB_g[0][CC_id]->proc[i].subframe_tx = (i+2)%10;
Raymond Knopp's avatar
 
Raymond Knopp committed
1301
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1302
    }
1303 1304


1305
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
1306 1307
    // TX processes subframe + 1, RX subframe -1
    // Note this inialization is because the first process awoken for frame 0 is number 1 and so processes 9 and 0 have to start with frame 1
1308

Raymond Knopp's avatar
 
Raymond Knopp committed
1309
    //PHY_vars_eNB_g[0][CC_id]->proc[0].frame_rx = 1023;
Raymond Knopp's avatar
 
Raymond Knopp committed
1310 1311
    PHY_vars_eNB_g[0][CC_id]->proc[9].frame_tx = 1;
    PHY_vars_eNB_g[0][CC_id]->proc[0].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1312
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
1313 1314
    // TX processes subframe +2, RX subframe
    // Note this inialization is because the first process awoken for frame 0 is number 1 and so processes 8,9 and 0 have to start with frame 1
Raymond Knopp's avatar
 
Raymond Knopp committed
1315
    //    PHY_vars_eNB_g[0][CC_id]->proc[7].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1316 1317
    PHY_vars_eNB_g[0][CC_id]->proc[8].frame_tx = 1;
    PHY_vars_eNB_g[0][CC_id]->proc[9].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1318
    //    PHY_vars_eNB_g[0][CC_id]->proc[0].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1319
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1320 1321
  }
}
Raymond Knopp's avatar
 
Raymond Knopp committed
1322

1323 1324 1325 1326 1327 1328
/*!
 * \brief Terminate eNB TX and RX threads.
 */
void kill_eNB_proc(void)
{
  int *status;
Raymond Knopp's avatar
 
Raymond Knopp committed
1329

1330 1331
  for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
    for (int i=0; i<NUM_ENB_THREADS; i++) {
1332

Raymond Knopp's avatar
 
Raymond Knopp committed
1333
#ifdef DEBUG_THREADS
1334
      printf( "Killing TX CC_id %d thread %d\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1335
#endif
1336 1337 1338 1339

      PHY_vars_eNB_g[0][CC_id]->proc[i].instance_cnt_tx = 0; // FIXME data race!
      pthread_cond_signal( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_tx );

Raymond Knopp's avatar
 
Raymond Knopp committed
1340
#ifdef DEBUG_THREADS
1341
      printf( "Joining eNB TX CC_id %d thread %d...\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1342
#endif
1343
      int result = pthread_join( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_tx, (void**)&status );
1344

Raymond Knopp's avatar
 
Raymond Knopp committed
1345
#ifdef DEBUG_THREADS
1346

1347 1348 1349 1350 1351 1352 1353 1354 1355
      if (result != 0) {
        printf( "Error joining thread.\n" );
      } else {
        if (status) {
          printf( "status %d\n", *status );
        } else {
          printf( "The thread was killed. No status available.\n" );
        }
      }
1356

1357 1358
#else
      UNUSED(result)
Raymond Knopp's avatar
 
Raymond Knopp committed
1359
#endif
1360

Raymond Knopp's avatar
 
Raymond Knopp committed
1361
#ifdef DEBUG_THREADS
1362
      printf( "Killing RX CC_id %d thread %d\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1363
#endif
1364 1365 1366 1367

      PHY_vars_eNB_g[0][CC_id]->proc[i].instance_cnt_rx = 0; // FIXME data race!
      pthread_cond_signal( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_rx );

Raymond Knopp's avatar
 
Raymond Knopp committed
1368
#ifdef DEBUG_THREADS
1369
      printf( "Joining eNB RX CC_id %d thread %d...\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1370
#endif
1371 1372
      result = pthread_join( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_rx, (void**)&status );

1373 1374
#ifdef DEBUG_THREADS

1375 1376 1377 1378 1379 1380 1381 1382 1383
      if (result != 0) {
        printf( "Error joining thread.\n" );
      } else {
        if (status) {
          printf( "status %d\n", *status );
        } else {
          printf( "The thread was killed. No status available.\n" );
        }
      }
1384

1385 1386
#else
      UNUSED(result)
Raymond Knopp's avatar
 
Raymond Knopp committed
1387
#endif
1388 1389 1390 1391 1392

      pthread_mutex_destroy( &PHY_vars_eNB_g[0][CC_id]->proc[i].mutex_tx );
      pthread_mutex_destroy( &PHY_vars_eNB_g[0][CC_id]->proc[i].mutex_rx );
      pthread_cond_destroy( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_tx );
      pthread_cond_destroy( &PHY_vars_eNB_g[0][CC_id]->proc[i].cond_rx );
Raymond Knopp's avatar
 
Raymond Knopp committed
1393
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1394 1395 1396
}


Raymond Knopp's avatar
 
Raymond Knopp committed
1397 1398


1399

Raymond Knopp's avatar
 
Raymond Knopp committed
1400

1401 1402 1403 1404 1405 1406
/*!
 * \brief This is the main eNB thread.
 * \param arg unused
 * \returns a pointer to an int. The storage is not on the heap and must not be freed.
 */
static void* eNB_thread( void* arg )
1407
{
1408 1409
  UNUSED(arg);
  static int eNB_thread_status;
1410

1411
  unsigned char slot;
1412
#ifdef EXMIMO
1413
  slot=0;
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1414
  RTIME time_in;
Raymond Knopp's avatar
 
Raymond Knopp committed
1415
  volatile unsigned int *DAQ_MBOX = openair0_daq_cnt();
Raymond Knopp's avatar
 
Raymond Knopp committed
1416 1417
  int mbox_target=0,mbox_current=0;
  int hw_slot,delay_cnt;
Raymond Knopp's avatar
 
Raymond Knopp committed
1418 1419
  int diff;
  int ret;
1420
  int first_run=1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1421
#else
1422 1423 1424
  // the USRP implementation operates on subframes, not slots
  // one subframe consists of one even and one odd slot
  slot = 1;
1425
  int spp;
1426
  int tx_launched = 0;
1427 1428 1429

  void *rxp[2]; // FIXME hard coded array size; indexed by lte_frame_parms.nb_antennas_rx
  void *txp[2]; // FIXME hard coded array size; indexed by lte_frame_parms.nb_antennas_tx
Raymond Knopp's avatar
 
Raymond Knopp committed
1430

1431
  int hw_subframe = 0; // 0..NUM_ENB_THREADS-1 => 0..9
1432
  spp = openair0_cfg[0].samples_per_packet;
1433 1434
  unsigned int rx_pos = 0;
  unsigned int tx_pos = spp*tx_delay;
Raymond Knopp's avatar
 
Raymond Knopp committed
1435
#endif
1436

1437
  struct timespec trx_time0, trx_time1, trx_time2;
1438

1439
#ifdef RTAI
1440
  RT_TASK* task = rt_task_init_schmod(nam2num("eNBmain"), 0, 0, 0, SCHED_FIFO, 0xF);
1441
#else
1442
#ifdef LOWLATENCY
1443 1444 1445
  struct sched_attr attr;
  unsigned int flags = 0;

Raymond Knopp's avatar
 
Raymond Knopp committed
1446 1447 1448 1449
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
1450

Raymond Knopp's avatar
 
Raymond Knopp committed
1451 1452
  /* This creates a .5 ms  reservation */
  attr.sched_policy = SCHED_DEADLINE;
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1453
  attr.sched_runtime  = 0.1 * 1000000;
Raymond Knopp's avatar
 
Raymond Knopp committed
1454
  attr.sched_deadline = 0.5 * 1000000;
1455 1456
  attr.sched_period   = 1.0 * 1000000;

Lionel Gauthier's avatar
Lionel Gauthier committed
1457

Raymond Knopp's avatar
 
Raymond Knopp committed
1458 1459 1460 1461
  /* pin the eNB main thread to CPU0*/
  /* if (pthread_setaffinity_np(pthread_self(), sizeof(mask),&mask) <0) {
     perror("[MAIN_ENB_THREAD] pthread_setaffinity_np failed\n");
     }*/
1462

1463
  if (sched_setattr(0, &attr, flags) < 0 ) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1464 1465 1466 1467
    perror("[SCHED] main eNB thread: sched_setattr failed\n");
    exit_fun("Nothing to add");
  } else {
    LOG_I(HW,"[SCHED][eNB] eNB main deadline thread %ld started on CPU %d\n",
1468
          gettid(),sched_getcpu());
Raymond Knopp's avatar
 
Raymond Knopp committed
1469
  }
1470

1471
#endif
1472 1473
#endif

1474 1475 1476 1477 1478
  // stop early, if an exit is requested
  // FIXME really neccessary?
  if (oai_exit)
    goto eNB_thread_cleanup;

1479
#ifdef RTAI
1480
  printf( "[SCHED][eNB] Started eNB main thread (id %p)\n", task );
Raymond Knopp's avatar
 
Raymond Knopp committed
1481
#else
1482
  printf( "[SCHED][eNB] Started eNB main thread on CPU %d\n", sched_getcpu());
1483 1484 1485
#endif

#ifdef HARD_RT
1486
  rt_make_hard_real_time();
1487 1488
#endif

1489 1490 1491 1492 1493 1494 1495 1496
  printf("eNB_thread: mlockall in ...\n");
  mlockall(MCL_CURRENT | MCL_FUTURE);
  printf("eNB_thread: mlockall out ...\n");

  timing_info.time_min = 100000000ULL;
  timing_info.time_max = 0;
  timing_info.time_avg = 0;
  timing_info.n_samples = 0;
1497

1498 1499
  printf( "waiting for sync (eNB_thread)\n" );
  pthread_mutex_lock( &sync_mutex );
1500

1501 1502
  while (sync_var<0)
    pthread_cond_wait( &sync_cond, &sync_mutex );
1503

1504
  pthread_mutex_unlock(&sync_mutex);
1505

1506
  int frame = 0;
1507

1508 1509
  while (!oai_exit) {
    start_meas( &softmodem_stats_mt );
Raymond Knopp's avatar
 
Raymond Knopp committed
1510

1511
#ifdef EXMIMO
1512 1513 1514 1515 1516 1517 1518 1519
    hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
    //        LOG_D(HW,"eNB frame %d, time %llu: slot %d, hw_slot %d (mbox %d)\n",frame,rt_get_time_ns(),slot,hw_slot,((unsigned int *)DAQ_MBOX)[0]);
    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_HW_SUBFRAME, hw_slot>>1);
    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_HW_FRAME, frame);
    //this is the mbox counter where we should be
    mbox_target = mbox_bounds[slot];
    //this is the mbox counter where we are
    mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
1520

1521 1522 1523 1524 1525 1526 1527 1528 1529 1530 1531
    //this is the time we need to sleep in order to synchronize with the hw (in multiples of DAQ_PERIOD)
    if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
      diff = 150-mbox_current+mbox_target;
    else if ((mbox_current<15) && (mbox_target>=135))
      diff = -150+mbox_target-mbox_current;
    else
      diff = mbox_target - mbox_current;

    //when we start the aquisition we want to start with slot 0, so we rather wait for the hardware than to advance the slot number (a positive diff will cause the programm to go into the second if clause rather than the first)
    if (first_run==1) {
      first_run=0;
1532

1533 1534
      if (diff<0)
        diff = diff +150;
1535

1536 1537 1538 1539 1540
      LOG_I(HW,"eNB Frame %d, time %llu: slot %d, hw_slot %d, diff %d\n",frame, rt_get_time_ns(), slot, hw_slot, diff);
    }

    if (((slot%2==0) && (diff < (-14))) || ((slot%2==1) && (diff < (-7)))) {
      // at the eNB, even slots have double as much time since most of the processing is done here and almost nothing in odd slots
1541 1542
      LOG_D(HW,"eNB Frame %d, time %llu: missed slot, proceeding with next one (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, mbox_current,
            mbox_target, diff);
1543
      slot++;
1544 1545

      if (exit_missed_slots==1) {
1546 1547
        stop_meas(&softmodem_stats_mt);
        exit_fun("[HW][eNB] missed slot");
1548
      } else {
1549 1550 1551 1552
        num_missed_slots++;
        LOG_W(HW,"[eNB] just missed slot (total missed slots %ld)\n", num_missed_slots);
      }
    }
1553

1554
    if (diff>8)
1555 1556
      LOG_D(HW,"eNB Frame %d, time %llu: skipped slot, waiting for hw to catch up (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",frame, rt_get_time_ns(), slot, hw_slot, mbox_current,
            mbox_target, diff);
1557 1558 1559 1560 1561

    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DAQ_MBOX, *DAQ_MBOX);
    vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DIFF, diff);

    delay_cnt = 0;
1562

1563 1564 1565 1566 1567 1568 1569 1570
    while ((diff>0) && (!oai_exit)) {
      time_in = rt_get_time_ns();
      //LOG_D(HW,"eNB Frame %d delaycnt %d : hw_slot %d (%d), slot %d, (slot+1)*15=%d, diff %d, time %llu\n",frame,delay_cnt,hw_slot,((unsigned int *)DAQ_MBOX)[0],slot,(((slot+1)*15)>>1),diff,time_in);
      //LOG_D(HW,"eNB Frame %d, time %llu: sleeping for %llu (slot %d, hw_slot %d, diff %d, mbox %d, delay_cnt %d)\n", frame, time_in, diff*DAQ_PERIOD,slot,hw_slot,diff,((volatile unsigned int *)DAQ_MBOX)[0],delay_cnt);
      vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RT_SLEEP,1);
      ret = rt_sleep_ns(diff*DAQ_PERIOD);
      vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_RT_SLEEP,0);
      vcd_signal_dumper_dump_variable_by_name(VCD_SIGNAL_DUMPER_VARIABLES_DAQ_MBOX, *DAQ_MBOX);
1571

1572 1573
      if (ret)
        LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);
1574

Raymond Knopp's avatar
 
Raymond Knopp committed
1575
      hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
1576 1577
      //LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
      delay_cnt++;
1578

1579 1580 1581 1582 1583
      if (delay_cnt == 10) {
        stop_meas(&softmodem_stats_mt);
        LOG_D(HW,"eNB Frame %d: HW stopped ... \n",frame);
        exit_fun("[HW][eNB] HW stopped");
      }
1584

Raymond Knopp's avatar
 
Raymond Knopp committed
1585
      mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
1586

Raymond Knopp's avatar
 
Raymond Knopp committed
1587
      if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
1588
        diff = 150-mbox_current+mbox_target;
Raymond Knopp's avatar
 
Raymond Knopp committed
1589
      else if ((mbox_current<15) && (mbox_target>=135))
1590
        diff = -150+mbox_target-mbox_current;
Raymond Knopp's avatar
 
Raymond Knopp committed
1591
      else
1592 1593
        diff = mbox_target - mbox_current;
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1594

1595
#else  // EXMIMO
1596 1597 1598
    vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_HW_SUBFRAME, hw_subframe );
    vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_HW_FRAME, frame );
    tx_launched = 0;
1599

1600
    while (rx_pos < ((1+hw_subframe)*PHY_vars_eNB_g[0][0]->lte_frame_parms.samples_per_tti)) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1601

1602
      unsigned int rxs;
Raymond Knopp's avatar
 
Raymond Knopp committed
1603
#ifndef USRP_DEBUG
1604 1605 1606
      vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 1 );
      vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_TXCNT, tx_pos );
      vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_RXCNT, rx_pos );
Raymond Knopp's avatar
 
Raymond Knopp committed
1607

1608
      clock_gettime( CLOCK_MONOTONIC, &trx_time0 );
1609

1610 1611 1612
      // prepare rx buffer pointers
      for (int i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx; i++)
        rxp[i] = (void*)&rxdata[i][rx_pos];
1613

1614
      start_meas( &softmodem_stats_hw );
1615

1616
      openair0_timestamp timestamp;
1617 1618 1619 1620 1621 1622 1623
      rxs = openair0.trx_read_func(&openair0,
                                   &timestamp,
                                   rxp,
                                   spp,
                                   PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx);
      stop_meas( &softmodem_stats_hw );
      clock_gettime( CLOCK_MONOTONIC, &trx_time1 );
Raymond Knopp's avatar
 
Raymond Knopp committed
1624

1625 1626
      if (rxs != spp)
        exit_fun( "problem receiving samples" );
Raymond Knopp's avatar
 
Raymond Knopp committed
1627

1628
      vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
1629

1630 1631 1632 1633 1634 1635 1636 1637 1638 1639 1640 1641 1642
      // Transmit TX buffer based on timestamp from RX
      vcd_signal_dumper_dump_function_by_name( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 );

      // prepare tx buffer pointers
      for (int i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx; i++)
        txp[i] = (void*)&txdata[i][tx_pos];

      if (frame > 50) {
        openair0.trx_write_func(&openair0,
                                (timestamp+(tx_delay*spp)-tx_forward_nsamps),
                                txp,
                                spp,
                                PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx,
1643
                                1);
Raymond Knopp's avatar
 
Raymond Knopp committed
1644 1645
      }

1646 1647 1648 1649 1650 1651 1652 1653 1654 1655 1656 1657 1658 1659 1660
      vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, timestamp&0xffffffff );
      vcd_signal_dumper_dump_variable_by_name( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp+(tx_delay*spp)-tx_forward_nsamps)&0xffffffff );

      stop_meas( &softmodem_stats_mt );
      clock_gettime( CLOCK_MONOTONIC, &trx_time2 );

      vcd_signal_dumper_dump_function_by_name(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE,0);
#else
      // USRP_DEBUG is active
      rt_sleep_ns(1000000);
#endif

      if ((tx_launched == 0) &&
          (rx_pos >= (((2*hw_subframe)+1)*PHY_vars_eNB_g[0][0]->lte_frame_parms.samples_per_tti>>1))) {
        tx_launched = 1;
1661

1662 1663 1664 1665 1666 1667 1668 1669 1670 1671 1672 1673 1674 1675 1676 1677 1678 1679 1680 1681 1682 1683 1684 1685 1686 1687 1688 1689 1690 1691 1692 1693 1694 1695 1696 1697
        for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
          if (pthread_mutex_lock(&PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].mutex_tx) != 0) {
            LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB TX thread %d (IC %d)\n", hw_subframe, PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].instance_cnt_tx );
            exit_fun( "error locking mutex_tx" );
            break;
          }

          int cnt_tx = ++PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].instance_cnt_tx;

          pthread_mutex_unlock( &PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].mutex_tx );

          if (cnt_tx == 0) {
            // the thread was presumably waiting where it should and can now be woken up
            if (pthread_cond_signal(&PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].cond_tx) != 0) {
              LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TX thread %d\n", hw_subframe );
              exit_fun( "ERROR pthread_cond_signal" );
              break;
            }
          } else {
            LOG_W( PHY,"[eNB] Frame %d, eNB TX thread %d busy!! (rx_cnt %u, cnt_tx %i)\n", PHY_vars_eNB_g[0][CC_id]->proc[hw_subframe].frame_tx, hw_subframe, rx_pos, cnt_tx );
            exit_fun( "TX thread busy" );
            break;
          }
        }
      }

      rx_pos += spp;
      tx_pos += spp;

      if (tx_pos >= samples_per_frame)
        tx_pos -= samples_per_frame;
    }

    if (rx_pos >= samples_per_frame)
      rx_pos -= samples_per_frame;

Raymond Knopp's avatar
 
Raymond Knopp committed
1698 1699

#endif // USRP
1700

1701
    if (oai_exit) break;
Raymond Knopp's avatar
 
Raymond Knopp committed
1702

1703 1704 1705 1706 1707
    timing_info.time_last = timing_info.time_now;
    timing_info.time_now = rt_get_time_ns();

    if (timing_info.n_samples>0) {
      RTIME time_diff = timing_info.time_now - timing_info.time_last;
1708

1709 1710
      if (time_diff < timing_info.time_min)
        timing_info.time_min = time_diff;
1711

1712 1713
      if (time_diff > timing_info.time_max)
        timing_info.time_max = time_diff;
1714

1715 1716 1717 1718 1719 1720
      timing_info.time_avg += time_diff;
    }

    timing_info.n_samples++;

    if ((slot&1) == 1) {
1721
      // odd slot
1722
#ifdef EXMIMO
1723
      int sf = ((slot>>1)+1)%10;
Raymond Knopp's avatar
 
Raymond Knopp committed
1724
#else
1725
      int sf = hw_subframe;
Raymond Knopp's avatar
 
Raymond Knopp committed
1726
#endif
1727 1728

      for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
1729 1730
#ifdef EXMIMO

1731 1732
        if (pthread_mutex_lock(&PHY_vars_eNB_g[0][CC_id]->proc[sf].mutex_tx) != 0) {
          LOG_E(PHY,"[eNB] ERROR pthread_mutex_lock for eNB TX thread %d (IC %d)\n",sf,PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_tx);
1733 1734
        } else {
          //          LOG_I(PHY,"[eNB] Waking up eNB process %d (IC %d)\n",sf,PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt);
1735 1736
          PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_tx++;
          pthread_mutex_unlock(&PHY_vars_eNB_g[0][CC_id]->proc[sf].mutex_tx);
1737

1738 1739 1740 1741
          if (PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_tx == 0) {
            if (pthread_cond_signal(&PHY_vars_eNB_g[0][CC_id]->proc[sf].cond_tx) != 0) {
              LOG_E(PHY,"[eNB] ERROR pthread_cond_signal for eNB TX thread %d\n",sf);
            }
1742
          } else {
1743 1744 1745 1746
            LOG_W(PHY,"[eNB] Frame %d, eNB TX thread %d busy!!\n",PHY_vars_eNB_g[0][CC_id]->proc[sf].frame_tx,sf);
            exit_fun("nothing to add");
          }
        }
1747

Raymond Knopp's avatar
 
Raymond Knopp committed
1748 1749
#endif

1750 1751 1752 1753 1754
        if (pthread_mutex_lock(&PHY_vars_eNB_g[0][CC_id]->proc[sf].mutex_rx) != 0) {
          LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RX thread %d (IC %d)\n", sf, PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_rx );
          exit_fun( "error locking mutex_rx" );
          break;
        }
Raymond Knopp's avatar
 
Raymond Knopp committed
1755

1756
        int cnt_rx = ++PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_rx;
Raymond Knopp's avatar
 
Raymond Knopp committed
1757

1758
        pthread_mutex_unlock( &PHY_vars_eNB_g[0][CC_id]->proc[sf].mutex_rx );
Raymond Knopp's avatar
 
Raymond Knopp committed
1759

1760 1761 1762 1763 1764 1765 1766 1767 1768 1769 1770 1771
        if (cnt_rx == 0) {
          // the thread was presumably waiting where it should and can now be woken up
          if (pthread_cond_signal(&PHY_vars_eNB_g[0][CC_id]->proc[sf].cond_rx) != 0) {
            LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RX thread %d\n", sf );
            exit_fun( "ERROR pthread_cond_signal" );
            break;
          }
        } else {
          LOG_W( PHY, "[eNB] Frame %d, eNB RX thread %d busy!! instance_cnt %d CC_id %d\n", PHY_vars_eNB_g[0][CC_id]->proc[sf].frame_rx, sf, PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_rx, CC_id );
          exit_fun( "RX thread busy" );
          break;
        }
Raymond Knopp's avatar
 
Raymond Knopp committed
1772
      }
1773 1774 1775 1776
    }

#ifdef EXMIMO
    slot++;
1777

1778 1779 1780 1781
    if (slot == 20) {
      frame++;
      slot = 0;
    }
1782

Raymond Knopp's avatar
 
Raymond Knopp committed
1783
#else
1784 1785
    hw_subframe++;
    slot += 2;
1786

1787
    if (hw_subframe == NUM_ENB_THREADS) {
1788
      // the radio frame is complete, start over
1789 1790 1791 1792
      hw_subframe = 0;
      frame++;
      slot = 1;
    }
1793 1794

#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1795

1796
#if defined(ENABLE_ITTI)
1797
    itti_update_lte_time( frame, slot );
1798
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1799
  }
1800 1801

eNB_thread_cleanup:
Raymond Knopp's avatar
 
Raymond Knopp committed
1802
#ifdef DEBUG_THREADS
1803
  printf( "eNB_thread: finished, ran %d times.\n", frame );
Raymond Knopp's avatar
 
Raymond Knopp committed
1804
#endif
1805

1806
#ifdef HARD_RT
Raymond Knopp's avatar
 
Raymond Knopp committed
1807
  rt_make_soft_real_time();
1808 1809
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
1810
#ifdef DEBUG_THREADS
1811
  printf( "Exiting eNB_thread ..." );
Raymond Knopp's avatar
 
Raymond Knopp committed
1812 1813
#endif
  // clean task
1814
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
1815
  rt_task_delete(task);
1816
#endif
1817 1818 1819

  eNB_thread_status = 0;
  return &eNB_thread_status;
Raymond Knopp's avatar
 
Raymond Knopp committed
1820
}
1821

1822

Raymond Knopp's avatar
 
Raymond Knopp committed
1823

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1824

1825 1826
static void get_options (int argc, char **argv)
{
1827 1828 1829
  int c;
  //  char                          line[1000];
  //  int                           l;
1830
  int k,i;//,j,k;
1831
#if defined(USRP) || defined(CPRIGW)
1832
  int clock_src;
1833
#endif
1834 1835 1836 1837 1838
  int CC_id;
#ifdef EXMIMO
  char rxg_fname[256], line[1000];
  FILE *rxg_fd;
  int l;
1839
#endif
1840 1841 1842



1843 1844

  const Enb_properties_array_t *enb_properties;
1845

1846 1847 1848 1849 1850 1851 1852
  enum long_option_e {
    LONG_OPTION_START = 0x100, /* Start after regular single char options */
    LONG_OPTION_ULSCH_MAX_CONSECUTIVE_ERRORS,
    LONG_OPTION_CALIB_UE_RX,
    LONG_OPTION_CALIB_UE_RX_MED,
    LONG_OPTION_CALIB_UE_RX_BYP,
    LONG_OPTION_DEBUG_UE_PRACH,
1853 1854
    LONG_OPTION_NO_L2_CONNECT,
    LONG_OPTION_RXGAIN
1855
  };
1856

1857 1858 1859 1860 1861 1862 1863
  static const struct option long_options[] = {
    {"ulsch-max-errors",required_argument,  NULL, LONG_OPTION_ULSCH_MAX_CONSECUTIVE_ERRORS},
    {"calib-ue-rx",     required_argument,  NULL, LONG_OPTION_CALIB_UE_RX},
    {"calib-ue-rx-med", required_argument,  NULL, LONG_OPTION_CALIB_UE_RX_MED},
    {"calib-ue-rx-byp", required_argument,  NULL, LONG_OPTION_CALIB_UE_RX_BYP},
    {"debug-ue-prach",  no_argument,        NULL, LONG_OPTION_DEBUG_UE_PRACH},
    {"no-L2-connect",   no_argument,        NULL, LONG_OPTION_NO_L2_CONNECT},
1864
    {"ue_rxgain",   required_argument,  NULL, LONG_OPTION_RXGAIN},
1865 1866 1867
    {NULL, 0, NULL, 0}
  };

1868
  while ((c = getopt_long (argc, argv, "C:dK:g:F:G:qO:m:SUVRM:r:P:Ws:t:x:",long_options,NULL)) != -1) {
1869 1870 1871 1872 1873
    switch (c) {
    case LONG_OPTION_ULSCH_MAX_CONSECUTIVE_ERRORS:
      ULSCH_max_consecutive_errors = atoi(optarg);
      printf("Set ULSCH_max_consecutive_errors = %d\n",ULSCH_max_consecutive_errors);
      break;
1874

1875 1876 1877 1878 1879
    case LONG_OPTION_CALIB_UE_RX:
      mode = rx_calib_ue;
      rx_input_level_dBm = atoi(optarg);
      printf("Running with UE calibration on (LNA max), input level %d dBm\n",rx_input_level_dBm);
      break;
1880

1881 1882 1883 1884
    case LONG_OPTION_CALIB_UE_RX_MED:
      mode = rx_calib_ue_med;
      rx_input_level_dBm = atoi(optarg);
      printf("Running with UE calibration on (LNA med), input level %d dBm\n",rx_input_level_dBm);
Raymond Knopp's avatar
 
Raymond Knopp committed
1885
      break;
1886

1887 1888 1889 1890 1891
    case LONG_OPTION_CALIB_UE_RX_BYP:
      mode = rx_calib_ue_byp;
      rx_input_level_dBm = atoi(optarg);
      printf("Running with UE calibration on (LNA byp), input level %d dBm\n",rx_input_level_dBm);
      break;
1892

1893 1894 1895
    case LONG_OPTION_DEBUG_UE_PRACH:
      mode = debug_prach;
      break;
1896

1897 1898 1899
    case LONG_OPTION_NO_L2_CONNECT:
      mode = no_L2_connect;
      break;
1900

1901
    case LONG_OPTION_RXGAIN:
1902 1903 1904
      for (i=0; i<4; i++)
        rx_gain[0][i] = atof(optarg);

1905
      break;
1906

1907 1908 1909
    case 'M':
#ifdef ETHERNET
      strcpy(rrh_eNB_ip,optarg);
1910
#endif
1911
      break;
1912

1913
    case 'C':
1914 1915 1916 1917 1918 1919
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
        downlink_frequency[CC_id][0] = atof(optarg); // Use float to avoid issue with frequency over 2^31.
        downlink_frequency[CC_id][1] = downlink_frequency[CC_id][0];
        downlink_frequency[CC_id][2] = downlink_frequency[CC_id][0];
        downlink_frequency[CC_id][3] = downlink_frequency[CC_id][0];
        printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]);
1920
      }
1921

1922 1923
      UE_scan=0;
      break;
1924

1925 1926 1927 1928
    case 'd':
#ifdef XFORMS
      do_forms=1;
      printf("Running with XFORMS!\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
1929
#endif
1930
      break;
1931

1932 1933 1934
    case 'K':
#if defined(ENABLE_ITTI)
      itti_dump_file = strdup(optarg);
1935
#else
1936
      printf("-K option is disabled when ENABLE_ITTI is not defined\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
1937
#endif
1938
      break;
1939

1940 1941 1942
    case 'O':
      conf_config_file_name = optarg;
      break;
1943

1944 1945 1946
    case 'U':
      UE_flag = 1;
      break;
1947

1948 1949 1950
    case 'm':
      target_dl_mcs = atoi (optarg);
      break;
1951

1952 1953 1954
    case 't':
      target_ul_mcs = atoi (optarg);
      break;
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1955
#ifdef OPENAIR2
1956

1957 1958 1959 1960 1961 1962 1963
    case 'W':
      opt_enabled=1;
      opt_type = OPT_WIRESHARK;
      strncpy(in_ip, "127.0.0.1", sizeof(in_ip));
      in_ip[sizeof(in_ip) - 1] = 0; // terminate string
      printf("Enabling OPT for wireshark for local interface");
      /*
1964 1965 1966
      if (optarg == NULL){
      in_ip[0] =NULL;
      printf("Enabling OPT for wireshark for local interface");
1967
      } else {
1968 1969 1970
      strncpy(in_ip, optarg, sizeof(in_ip));
      in_ip[sizeof(in_ip) - 1] = 0; // terminate string
      printf("Enabling OPT for wireshark with %s \n",in_ip);
1971 1972 1973
      }
      */
      break;
1974

1975
    case 'P':
1976 1977
      opt_type = OPT_PCAP;
      opt_enabled=1;
1978 1979 1980 1981 1982

      if (optarg == NULL) {
        strncpy(in_path, "/tmp/oai_opt.pcap", sizeof(in_path));
        in_path[sizeof(in_path) - 1] = 0; // terminate string
        printf("Enabling OPT for PCAP with the following path /tmp/oai_opt.pcap");
1983
      } else {
1984 1985 1986
        strncpy(in_path, optarg, sizeof(in_path));
        in_path[sizeof(in_path) - 1] = 0; // terminate string
        printf("Enabling OPT for PCAP  with the following file %s \n",in_path);
1987
      }
1988 1989

      break;
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1990
#endif
1991

Raymond Knopp's avatar
 
Raymond Knopp committed
1992 1993 1994
    case 'V':
      ouput_vcd = 1;
      break;
1995

Raymond Knopp's avatar
 
Raymond Knopp committed
1996
    case  'q':
Raymond Knopp's avatar
 
Raymond Knopp committed
1997 1998
      opp_enabled = 1;
      break;
1999

Raymond Knopp's avatar
 
Raymond Knopp committed
2000 2001 2002
    case  'R' :
      online_log_messages =1;
      break;
2003

Raymond Knopp's avatar
 
Raymond Knopp committed
2004
    case 'r':
2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017 2018 2019 2020 2021 2022 2023 2024 2025 2026 2027 2028 2029 2030
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
        switch(atoi(optarg)) {
        case 6:
          frame_parms[CC_id]->N_RB_DL=6;
          frame_parms[CC_id]->N_RB_UL=6;
          break;

        case 25:
          frame_parms[CC_id]->N_RB_DL=25;
          frame_parms[CC_id]->N_RB_UL=25;
          break;

        case 50:
          frame_parms[CC_id]->N_RB_DL=50;
          frame_parms[CC_id]->N_RB_UL=50;
          break;

        case 100:
          frame_parms[CC_id]->N_RB_DL=100;
          frame_parms[CC_id]->N_RB_UL=100;
          break;

        default:
          printf("Unknown N_RB_DL %d, switching to 25\n",atoi(optarg));
          break;
        }
Raymond Knopp's avatar
 
Raymond Knopp committed
2031
      }
2032

2033
      break;
2034

Raymond Knopp's avatar
 
Raymond Knopp committed
2035
    case 's':
2036
#if defined(USRP) || defined(CPRIGW)
Raymond Knopp's avatar
 
Raymond Knopp committed
2037 2038

      clock_src = atoi(optarg);
2039

Raymond Knopp's avatar
 
Raymond Knopp committed
2040
      if (clock_src == 0) {
2041 2042 2043 2044 2045
        //  char ref[128] = "internal";
        //strncpy(uhd_ref, ref, strlen(ref)+1);
      } else if (clock_src == 1) {
        //char ref[128] = "external";
        //strncpy(uhd_ref, ref, strlen(ref)+1);
Raymond Knopp's avatar
 
Raymond Knopp committed
2046
      }
2047

Raymond Knopp's avatar
 
Raymond Knopp committed
2048 2049 2050 2051
#else
      printf("Note: -s not defined for ExpressMIMO2\n");
#endif
      break;
2052

2053 2054 2055 2056
    case 'S':
      exit_missed_slots=0;
      printf("Skip exit for missed slots\n");
      break;
2057

2058
    case 'g':
Raymond Knopp's avatar
 
Raymond Knopp committed
2059
      glog_level=atoi(optarg); // value between 1 - 9
2060
      break;
2061 2062

    case 'F':
2063
#ifdef EXMIMO
2064 2065
      sprintf(rxg_fname,"%srxg.lime",optarg);
      rxg_fd = fopen(rxg_fname,"r");
2066

2067
      if (rxg_fd) {
2068 2069 2070 2071 2072 2073 2074 2075 2076 2077 2078 2079 2080 2081 2082 2083 2084 2085
        printf("Loading RX Gain parameters from %s\n",rxg_fname);
        l=0;

        while (fgets(line, sizeof(line), rxg_fd)) {
          if ((strlen(line)==0) || (*line == '#')) continue; //ignore empty or comment lines
          else {
            if (l==0) sscanf(line,"%d %d %d %d",&rxg_max[0],&rxg_max[1],&rxg_max[2],&rxg_max[3]);

            if (l==1) sscanf(line,"%d %d %d %d",&rxg_med[0],&rxg_med[1],&rxg_med[2],&rxg_med[3]);

            if (l==2) sscanf(line,"%d %d %d %d",&rxg_byp[0],&rxg_byp[1],&rxg_byp[2],&rxg_byp[3]);

            l++;
          }
        }
      } else
        printf("%s not found, running with defaults\n",rxg_fname);

2086
#endif
2087
      break;
2088

2089 2090 2091
    case 'G':
      glog_verbosity=atoi(optarg);// value from 0, 0x5, 0x15, 0x35, 0x75
      break;
2092

2093 2094
    case 'x':
      transmission_mode = atoi(optarg);
2095

2096
      if (transmission_mode > 2) {
2097 2098
        printf("Transmission mode > 2 (%d) not supported for the moment\n",transmission_mode);
        exit(-1);
2099
      }
2100

2101
      break;
2102

Raymond Knopp's avatar
 
Raymond Knopp committed
2103 2104
    default:
      break;
2105 2106
    }
  }
2107

Raymond Knopp's avatar
 
Raymond Knopp committed
2108 2109
  if (UE_flag == 0)
    AssertFatal(conf_config_file_name != NULL,"Please provide a configuration file\n");
2110 2111


Raymond Knopp's avatar
 
Raymond Knopp committed
2112
  if ((UE_flag == 0) && (conf_config_file_name != NULL)) {
2113
    int i,j;
2114

Raymond Knopp's avatar
 
Raymond Knopp committed
2115
    NB_eNB_INST = 1;
2116

Raymond Knopp's avatar
 
Raymond Knopp committed
2117 2118
    /* Read eNB configuration file */
    enb_properties = enb_config_init(conf_config_file_name);
2119

Raymond Knopp's avatar
 
Raymond Knopp committed
2120
    AssertFatal (NB_eNB_INST <= enb_properties->number,
2121 2122
                 "Number of eNB is greater than eNB defined in configuration file %s (%d/%d)!",
                 conf_config_file_name, NB_eNB_INST, enb_properties->number);
2123

Raymond Knopp's avatar
 
Raymond Knopp committed
2124
    /* Update some simulation parameters */
2125
    for (i=0; i < enb_properties->number; i++) {
2126
      AssertFatal (MAX_NUM_CCs == enb_properties->properties[i]->nb_cc,
2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
                   "lte-softmodem compiled with MAX_NUM_CCs=%d, but only %d CCs configured for eNB %d!",
                   MAX_NUM_CCs, enb_properties->properties[i]->nb_cc, i);

      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
        frame_parms[CC_id]->frame_type =       enb_properties->properties[i]->frame_type[CC_id];
        frame_parms[CC_id]->tdd_config =       enb_properties->properties[i]->tdd_config[CC_id];
        frame_parms[CC_id]->tdd_config_S =     enb_properties->properties[i]->tdd_config_s[CC_id];
        frame_parms[CC_id]->Ncp =              enb_properties->properties[i]->prefix_type[CC_id];

        //for (j=0; j < enb_properties->properties[i]->nb_cc; j++ ){
        frame_parms[CC_id]->Nid_cell            =  enb_properties->properties[i]->Nid_cell[CC_id];
        frame_parms[CC_id]->N_RB_DL             =  enb_properties->properties[i]->N_RB_DL[CC_id];
        frame_parms[CC_id]->N_RB_UL             =  enb_properties->properties[i]->N_RB_DL[CC_id];
        frame_parms[CC_id]->nb_antennas_tx      =  enb_properties->properties[i]->nb_antennas_tx[CC_id];
        frame_parms[CC_id]->nb_antennas_tx_eNB  =  enb_properties->properties[i]->nb_antennas_tx[CC_id];
        frame_parms[CC_id]->nb_antennas_rx      =  enb_properties->properties[i]->nb_antennas_rx[CC_id];
        //} // j
Raymond Knopp's avatar
 
Raymond Knopp committed
2144 2145
      }

2146

2147
#ifdef OPENAIR2
2148

2149 2150 2151
      init_all_otg(0);
      g_otg->seed = 0;
      init_seeds(g_otg->seed);
2152 2153 2154 2155 2156 2157 2158 2159 2160 2161

      for (k=0; k<enb_properties->properties[i]->num_otg_elements; k++) {
        j=enb_properties->properties[i]->otg_ue_id[k]; // ue_id
        g_otg->application_idx[i][j] = 1;
        //g_otg->packet_gen_type=SUBSTRACT_STRING;
        g_otg->background[i][j][0] =enb_properties->properties[i]->otg_bg_traffic[k];
        g_otg->application_type[i][j][0] =enb_properties->properties[i]->otg_app_type[k];// BCBR; //MCBR, BCBR

        printf("[OTG] configuring traffic type %d for  eNB %d UE %d (Background traffic is %s)\n",
               g_otg->application_type[i][j][0], i, j,(g_otg->background[i][j][0]==1)?"Enabled":"Disabled");
2162
      }
2163

2164
      init_predef_traffic(enb_properties->properties[i]->num_otg_elements, 1);
2165

2166
#endif
2167

2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181
      glog_level                     = enb_properties->properties[i]->glog_level;
      glog_verbosity                 = enb_properties->properties[i]->glog_verbosity;
      hw_log_level                   = enb_properties->properties[i]->hw_log_level;
      hw_log_verbosity               = enb_properties->properties[i]->hw_log_verbosity ;
      phy_log_level                  = enb_properties->properties[i]->phy_log_level;
      phy_log_verbosity              = enb_properties->properties[i]->phy_log_verbosity;
      mac_log_level                  = enb_properties->properties[i]->mac_log_level;
      mac_log_verbosity              = enb_properties->properties[i]->mac_log_verbosity;
      rlc_log_level                  = enb_properties->properties[i]->rlc_log_level;
      rlc_log_verbosity              = enb_properties->properties[i]->rlc_log_verbosity;
      pdcp_log_level                 = enb_properties->properties[i]->pdcp_log_level;
      pdcp_log_verbosity             = enb_properties->properties[i]->pdcp_log_verbosity;
      rrc_log_level                  = enb_properties->properties[i]->rrc_log_level;
      rrc_log_verbosity              = enb_properties->properties[i]->rrc_log_verbosity;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
2182 2183 2184 2185 2186 2187
# if defined(ENABLE_USE_MME)
      gtpu_log_level                 = enb_properties->properties[i]->gtpu_log_level;
      gtpu_log_verbosity             = enb_properties->properties[i]->gtpu_log_verbosity;
      udp_log_level                  = enb_properties->properties[i]->udp_log_level;
      udp_log_verbosity              = enb_properties->properties[i]->udp_log_verbosity;
#endif
2188 2189 2190
#if defined (ENABLE_SECURITY)
      osa_log_level                  = enb_properties->properties[i]->osa_log_level;
      osa_log_verbosity              = enb_properties->properties[i]->osa_log_verbosity;
2191
#endif
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2192

Raymond Knopp's avatar
 
Raymond Knopp committed
2193
      // adjust the log
2194
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
2195 2196 2197 2198 2199 2200 2201 2202 2203 2204
        for (k = 0 ; k < 4; k++) {
          downlink_frequency[CC_id][k]      =       enb_properties->properties[i]->downlink_frequency[CC_id];
          uplink_frequency_offset[CC_id][k] =  enb_properties->properties[i]->uplink_frequency_offset[CC_id];
          rx_gain[CC_id][k]                 =  (double)enb_properties->properties[i]->rx_gain[CC_id];
          tx_gain[CC_id][k]                 =  (double)enb_properties->properties[i]->tx_gain[CC_id];
        }

        printf("Downlink frequency/ uplink offset of CC_id %d set to %ju/%d\n", CC_id,
               enb_properties->properties[i]->downlink_frequency[CC_id],
               enb_properties->properties[i]->uplink_frequency_offset[CC_id]);
Raymond Knopp's avatar
 
Raymond Knopp committed
2205
      } // CC_id
2206
    }// i
2207
  } else if ((UE_flag == 1) && (conf_config_file_name != NULL)) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2208 2209 2210 2211 2212 2213

    // Here the configuration file is the XER encoded UE capabilities
    // Read it in and store in asn1c data structures
    strcpy(uecap_xer,conf_config_file_name);
    uecap_xer_in=1;
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
2214
}
2215

2216 2217
int main( int argc, char **argv )
{
Raymond Knopp's avatar
 
Raymond Knopp committed
2218
  int i,aa,card;
Lionel Gauthier's avatar
Lionel Gauthier committed
2219
#if defined (XFORMS) || defined (EMOS) || defined (EXMIMO)
Raymond Knopp's avatar
 
Raymond Knopp committed
2220
  void *status;
2221
#endif
2222

Raymond Knopp's avatar
 
Raymond Knopp committed
2223
  int CC_id;
Raymond Knopp's avatar
 
Raymond Knopp committed
2224
  uint16_t Nid_cell = 0;
2225
  uint8_t  cooperation_flag=0,  abstraction_flag=0;
2226
#ifndef OPENAIR2
Raymond Knopp's avatar
 
Raymond Knopp committed
2227
  uint8_t beta_ACK=0,beta_RI=0,beta_CQI=2;
2228 2229 2230
#endif

#ifdef ENABLE_TCXO
Raymond Knopp's avatar
 
Raymond Knopp committed
2231
  unsigned int tcxo = 114;
2232 2233
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2234
#if defined (XFORMS)
2235 2236
  int ret;
#endif
2237
#if defined (EMOS) || (! defined (RTAI))
Raymond Knopp's avatar
 
Raymond Knopp committed
2238
  int error_code;
2239
#endif
2240

2241 2242 2243
  PHY_VARS_UE *UE[MAX_NUM_CCs];

  mode = normal_txrx;
2244
  memset(&openair0_cfg[0],0,sizeof(openair0_config_t)*MAX_CARDS);
2245

2246
  memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs);
Raymond Knopp's avatar
 
Raymond Knopp committed
2247
  set_latency_target();
2248

2249

2250

2251
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2252 2253
    frame_parms[CC_id] = (LTE_DL_FRAME_PARMS*) malloc(sizeof(LTE_DL_FRAME_PARMS));
    /* Set some default values that may be overwritten while reading options */
Raymond Knopp's avatar
 
Raymond Knopp committed
2254
    frame_parms[CC_id]->frame_type         = TDD; /* TDD */
Raymond Knopp's avatar
 
Raymond Knopp committed
2255 2256 2257 2258
    frame_parms[CC_id]->tdd_config          = 3;
    frame_parms[CC_id]->tdd_config_S        = 0;
    frame_parms[CC_id]->N_RB_DL             = 25;
    frame_parms[CC_id]->N_RB_UL             = 25;
Raymond Knopp's avatar
 
Raymond Knopp committed
2259
    frame_parms[CC_id]->Ncp                 = NORMAL;
Raymond Knopp's avatar
 
Raymond Knopp committed
2260 2261
    frame_parms[CC_id]->Ncp_UL              = NORMAL;
    frame_parms[CC_id]->Nid_cell            = Nid_cell;
Raymond Knopp's avatar
 
Raymond Knopp committed
2262
    frame_parms[CC_id]->num_MBSFN_config    = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2263 2264 2265
    frame_parms[CC_id]->nb_antennas_tx_eNB  = 1;
    frame_parms[CC_id]->nb_antennas_tx      = 1;
    frame_parms[CC_id]->nb_antennas_rx      = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
2266
  }
2267

2268 2269
  // initialize the log (see log.h for details)
  logInit();
2270

Raymond Knopp's avatar
 
Raymond Knopp committed
2271 2272
  //randominit (0);
  set_taus_seed (0);
2273

2274

2275
  get_options (argc, argv); //Command-line options
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2276 2277
  set_glog(glog_level, glog_verbosity);

Raymond Knopp's avatar
 
Raymond Knopp committed
2278

2279 2280
  if (UE_flag==1) {
    printf("configuring for UE\n");
2281

2282
    set_comp_log(HW,      LOG_DEBUG,  LOG_HIGH, 1);
2283
#ifdef OPENAIR2
2284
    set_comp_log(PHY,     LOG_DEBUG,   LOG_HIGH, 1);
2285
#else
2286
    set_comp_log(PHY,     LOG_INFO,   LOG_HIGH, 1);
2287
#endif
2288 2289 2290 2291 2292
    set_comp_log(MAC,     LOG_INFO,   LOG_HIGH, 1);
    set_comp_log(RLC,     LOG_INFO,   LOG_HIGH, 1);
    set_comp_log(PDCP,    LOG_INFO,   LOG_HIGH, 1);
    set_comp_log(OTG,     LOG_INFO,   LOG_HIGH, 1);
    set_comp_log(RRC,     LOG_INFO,   LOG_HIGH, 1);
2293
#if defined(ENABLE_ITTI)
2294
    set_comp_log(EMU,     LOG_INFO,   LOG_MED, 1);
2295
# if defined(ENABLE_USE_MME)
2296
    set_comp_log(NAS,     LOG_INFO,   LOG_HIGH, 1);
2297 2298
# endif
#endif
2299 2300
  } else {
    printf("configuring for eNB\n");
2301

2302
    set_comp_log(HW,      hw_log_level, hw_log_verbosity, 1);
2303
#ifdef OPENAIR2
2304 2305 2306 2307 2308
    set_comp_log(PHY,     phy_log_level,   phy_log_verbosity, 1);

    if (opt_enabled == 1 )
      set_comp_log(OPT,   opt_log_level,      opt_log_verbosity, 1);

2309
#else
2310
    set_comp_log(PHY,     LOG_INFO,   LOG_HIGH, 1);
2311
#endif
2312 2313 2314 2315
    set_comp_log(MAC,     mac_log_level,  mac_log_verbosity, 1);
    set_comp_log(RLC,     rlc_log_level,   rlc_log_verbosity, 1);
    set_comp_log(PDCP,    pdcp_log_level,  pdcp_log_verbosity, 1);
    set_comp_log(RRC,     rrc_log_level,  rrc_log_verbosity, 1);
2316
#if defined(ENABLE_ITTI)
2317
    set_comp_log(EMU,     LOG_INFO,   LOG_MED, 1);
2318
# if defined(ENABLE_USE_MME)
2319 2320 2321 2322
    set_comp_log(UDP_,    udp_log_level,   udp_log_verbosity, 1);
    set_comp_log(GTPU,    gtpu_log_level,   gtpu_log_verbosity, 1);
    set_comp_log(S1AP,    LOG_DEBUG,   LOG_HIGH, 1);
    set_comp_log(SCTP,    LOG_INFO,   LOG_HIGH, 1);
2323
# endif
2324
#if defined(ENABLE_SECURITY)
2325
    set_comp_log(OSA,    osa_log_level,   osa_log_verbosity, 1);
2326
#endif
2327
#endif
2328
#ifdef LOCALIZATION
2329 2330 2331 2332 2333 2334 2335 2336 2337
    set_comp_log(LOCALIZE, LOG_DEBUG, LOG_LOW, 1);
    set_component_filelog(LOCALIZE);
#endif
    set_comp_log(ENB_APP, LOG_INFO, LOG_HIGH, 1);
    set_comp_log(OTG,     LOG_INFO,   LOG_HIGH, 1);

    if (online_log_messages == 1) {
      set_component_filelog(RRC);
      set_component_filelog(PDCP);
Raymond Knopp's avatar
 
Raymond Knopp committed
2338
    }
2339
  }
2340

Raymond Knopp's avatar
 
Raymond Knopp committed
2341 2342 2343 2344 2345 2346
  if (ouput_vcd) {
    if (UE_flag==1)
      vcd_signal_dumper_init("/tmp/openair_dump_UE.vcd");
    else
      vcd_signal_dumper_init("/tmp/openair_dump_eNB.vcd");
  }
2347

2348 2349
  if (opp_enabled ==1)
    reset_opp_meas();
2350

2351
#if defined(ENABLE_ITTI)
2352

Raymond Knopp's avatar
 
Raymond Knopp committed
2353 2354
  if (UE_flag == 1) {
    log_set_instance_type (LOG_INSTANCE_UE);
2355
  } else {
Raymond Knopp's avatar
 
Raymond Knopp committed
2356 2357
    log_set_instance_type (LOG_INSTANCE_ENB);
  }
2358

Raymond Knopp's avatar
 
Raymond Knopp committed
2359
  itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info, messages_definition_xml, itti_dump_file);
2360
#endif
2361
#ifdef OPENAIR2
2362

2363 2364
  if (opt_type != OPT_NONE) {
    radio_type_t radio_type;
2365

2366 2367
    if (frame_parms[0]->frame_type == FDD)
      radio_type = RADIO_TYPE_FDD;
2368
    else
2369
      radio_type = RADIO_TYPE_TDD;
2370

2371 2372 2373
    if (init_opt(in_path, in_ip, NULL, radio_type) == -1)
      LOG_E(OPT,"failed to run OPT \n");
  }
2374

2375
#endif
2376
#ifdef NAS_NETLINK
Raymond Knopp's avatar
 
Raymond Knopp committed
2377
  netlink_init();
2378 2379
#endif

2380
#if !defined(ENABLE_ITTI)
Raymond Knopp's avatar
 
Raymond Knopp committed
2381 2382 2383
  // to make a graceful exit when ctrl-c is pressed
  signal(SIGSEGV, signal_handler);
  signal(SIGINT, signal_handler);
2384
#endif
2385 2386

#ifndef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
2387 2388 2389 2390
  check_clock();
#endif

  // init the parameters
2391
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2392
    frame_parms[CC_id]->nushift            = 0;
2393

2394 2395 2396 2397 2398 2399 2400 2401 2402
    if (UE_flag==0) {

    } else {
      //UE_flag==1
      frame_parms[CC_id]->nb_antennas_tx     = 1;
      frame_parms[CC_id]->nb_antennas_rx     = 1;
      frame_parms[CC_id]->nb_antennas_tx_eNB = (transmission_mode == 1) ? 1 : 2; //initial value overwritten by initial sync later
    }

Raymond Knopp's avatar
 
Raymond Knopp committed
2403 2404 2405 2406 2407 2408 2409 2410
    frame_parms[CC_id]->mode1_flag         = (transmission_mode == 1) ? 1 : 0;
    frame_parms[CC_id]->phich_config_common.phich_resource = oneSixth;
    frame_parms[CC_id]->phich_config_common.phich_duration = normal;
    // UL RS Config
    frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
    frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 0;
    frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
    frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
2411 2412
    init_ul_hopping(frame_parms[CC_id]);
    init_frame_parms(frame_parms[CC_id],1);
2413
    phy_init_top(frame_parms[CC_id]);
Raymond Knopp's avatar
 
Raymond Knopp committed
2414 2415 2416 2417
  }

  phy_init_lte_top(frame_parms[0]);

2418
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2419
    //init prach for openair1 test
2420
    frame_parms[CC_id]->prach_config_common.rootSequenceIndex=22;
Raymond Knopp's avatar
 
Raymond Knopp committed
2421
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1;
2422
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2423 2424 2425
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.highSpeedFlag=0;
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0;
    // prach_fmt = get_prach_fmt(frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex, frame_parms->frame_type);
Raymond Knopp's avatar
 
Raymond Knopp committed
2426
    // N_ZC = (prach_fmt <4)?839:139;
Raymond Knopp's avatar
 
Raymond Knopp committed
2427
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
2428 2429

  if (UE_flag==1) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2430 2431 2432
    NB_UE_INST=1;
    NB_INST=1;

Raymond Knopp's avatar
 
Raymond Knopp committed
2433 2434
    PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE**));
    PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_UE*)*MAX_NUM_CCs);
2435 2436

    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
2437 2438 2439 2440

      PHY_vars_UE_g[0][CC_id] = init_lte_UE(frame_parms[CC_id], 0,abstraction_flag,transmission_mode);
      UE[CC_id] = PHY_vars_UE_g[0][CC_id];
      printf("PHY_vars_UE_g[0][%d] = %p\n",CC_id,UE[CC_id]);
Raymond Knopp's avatar
 
Raymond Knopp committed
2441
#ifndef OPENAIR2
2442 2443 2444 2445 2446 2447 2448 2449 2450

      for (i=0; i<NUMBER_OF_CONNECTED_eNB_MAX; i++) {
        UE[CC_id]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
        UE[CC_id]->pusch_config_dedicated[i].betaOffset_RI_Index  = beta_RI;
        UE[CC_id]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;

        UE[CC_id]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = 0;
        UE[CC_id]->scheduling_request_config[i].sr_ConfigIndex = 7+(0%3);
        UE[CC_id]->scheduling_request_config[i].dsr_TransMax = sr_n4;
Raymond Knopp's avatar
 
Raymond Knopp committed
2451
      }
2452

2453
#endif
2454 2455 2456 2457 2458 2459


      UE[CC_id]->UE_scan = UE_scan;
      UE[CC_id]->mode    = mode;

      compute_prach_seq(&UE[CC_id]->lte_frame_parms.prach_config_common,
2460 2461 2462
                        UE[CC_id]->lte_frame_parms.frame_type,
                        UE[CC_id]->X_u);

2463
      UE[CC_id]->lte_ue_pdcch_vars[0]->crnti = 0x1234;
2464
#ifndef OPENAIR2
2465
      UE[CC_id]->lte_ue_pdcch_vars[0]->crnti = 0x1235;
2466
#endif
2467

2468
#ifdef EXMIMO
2469

2470 2471 2472 2473
      for (i=0; i<4; i++) {
        UE[CC_id]->rx_gain_max[i] = rxg_max[i];
        UE[CC_id]->rx_gain_med[i] = rxg_med[i];
        UE[CC_id]->rx_gain_byp[i] = rxg_byp[i];
Raymond Knopp's avatar
 
Raymond Knopp committed
2474
      }
2475 2476 2477 2478 2479 2480 2481 2482 2483 2484 2485 2486 2487 2488 2489 2490 2491 2492 2493

      if ((UE[0]->mode == normal_txrx) ||
          (UE[0]->mode == rx_calib_ue) ||
          (UE[0]->mode == no_L2_connect) ||
          (UE[0]->mode == debug_prach)) {
        for (i=0; i<4; i++)
          rx_gain_mode[CC_id][i] = max_gain;

        UE[CC_id]->rx_total_gain_dB =  UE[CC_id]->rx_gain_max[0] + (int)rx_gain[CC_id][0] - 30; //-30 because it was calibrated with a 30dB gain
      } else if ((mode == rx_calib_ue_med)) {
        for (i=0; i<4; i++)
          rx_gain_mode[CC_id][i] =  med_gain;

        UE[CC_id]->rx_total_gain_dB =  UE[CC_id]->rx_gain_med[0]  + (int)rx_gain[CC_id][0] - 30; //-30 because it was calibrated with a 30dB gain;
      } else if ((mode == rx_calib_ue_byp)) {
        for (i=0; i<4; i++)
          rx_gain_mode[CC_id][i] =  byp_gain;

        UE[CC_id]->rx_total_gain_dB =  UE[CC_id]->rx_gain_byp[0]  + (int)rx_gain[CC_id][0] - 30; //-30 because it was calibrated with a 30dB gain;
Raymond Knopp's avatar
 
Raymond Knopp committed
2494
      }
2495

2496
#else
2497
      UE[CC_id]->rx_total_gain_dB =  (int)rx_gain[CC_id][0];
2498
#endif
2499

2500
      UE[CC_id]->tx_power_max_dBm = tx_max_power[CC_id];
2501

2502 2503


2504
#ifdef EXMIMO
2505

Raymond Knopp's avatar
 
Raymond Knopp committed
2506
      //N_TA_offset
2507
      if (UE[CC_id]->lte_frame_parms.frame_type == TDD) {
2508 2509 2510 2511 2512 2513 2514 2515
        if (UE[CC_id]->lte_frame_parms.N_RB_DL == 100)
          UE[CC_id]->N_TA_offset = 624;
        else if (UE[CC_id]->lte_frame_parms.N_RB_DL == 50)
          UE[CC_id]->N_TA_offset = 624/2;
        else if (UE[CC_id]->lte_frame_parms.N_RB_DL == 25)
          UE[CC_id]->N_TA_offset = 624/4;
      } else {
        UE[CC_id]->N_TA_offset = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2516
      }
2517

2518
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
2519
      //already taken care of in lte-softmodem
2520
      UE[CC_id]->N_TA_offset = 0;
2521
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2522
    }
2523

Raymond Knopp's avatar
 
Raymond Knopp committed
2524 2525 2526 2527
    openair_daq_vars.manual_timing_advance = 0;
    openair_daq_vars.rx_gain_mode = DAQ_AGC_ON;
    openair_daq_vars.auto_freq_correction = 0;
    openair_daq_vars.use_ia_receiver = 0;
2528 2529 2530



Raymond Knopp's avatar
 
Raymond Knopp committed
2531
    //  printf("tx_max_power = %d -> amp %d\n",tx_max_power,get_tx_amp(tx_max_power,tx_max_power));
2532 2533 2534 2535 2536 2537 2538 2539 2540
  } else {
    //this is eNB
    PHY_vars_eNB_g = malloc(sizeof(PHY_VARS_eNB**));
    PHY_vars_eNB_g[0] = malloc(sizeof(PHY_VARS_eNB*));

    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
      PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
      PHY_vars_eNB_g[0][CC_id]->CC_id = CC_id;

2541
#ifndef OPENAIR2
2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556 2557

      for (i=0; i<NUMBER_OF_UE_MAX; i++) {
        PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
        PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_RI_Index  = beta_RI;
        PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;

        PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = i;
        PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_ConfigIndex = 7+(i%3);
        PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].dsr_TransMax = sr_n4;
      }

#endif

      compute_prach_seq(&PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.prach_config_common,
                        PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.frame_type,
                        PHY_vars_eNB_g[0][CC_id]->X_u);
Raymond Knopp's avatar
 
Raymond Knopp committed
2558

2559
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
2560

2561
      PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB = (int)rx_gain[CC_id][0];
Raymond Knopp's avatar
 
Raymond Knopp committed
2562

2563
#else
2564 2565 2566
      PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB =  rxg_max[0] + (int)rx_gain[CC_id][0] - 30; //was measured at rxgain=30;

      printf("Setting RX total gain to %d\n",PHY_vars_eNB_g[0][CC_id]->rx_total_gain_eNB_dB);
Raymond Knopp's avatar
 
Raymond Knopp committed
2567

2568 2569 2570
      // set eNB to max gain
      for (i=0; i<4; i++)
        rx_gain_mode[CC_id][i] = max_gain;
Raymond Knopp's avatar
 
Raymond Knopp committed
2571

2572
#endif
2573

2574
#ifdef EXMIMO
2575 2576 2577 2578 2579 2580 2581 2582 2583 2584 2585

      //N_TA_offset
      if (PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.frame_type == TDD) {
        if (PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.N_RB_DL == 100)
          PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624;
        else if (PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.N_RB_DL == 50)
          PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/2;
        else if (PHY_vars_eNB_g[0][CC_id]->lte_frame_parms.N_RB_DL == 25)
          PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/4;
      } else {
        PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2586
      }
2587

2588 2589 2590 2591
#else
      //already taken care of in lte-softmodem
      PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
#endif
2592

2593
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
2594 2595


2596 2597 2598 2599 2600 2601 2602 2603 2604
    NB_eNB_INST=1;
    NB_INST=1;

    openair_daq_vars.ue_dl_rb_alloc=0x1fff;
    openair_daq_vars.target_ue_dl_mcs=target_dl_mcs;
    openair_daq_vars.ue_ul_nb_rb=6;
    openair_daq_vars.target_ue_ul_mcs=target_ul_mcs;

  }
2605

2606

2607

Raymond Knopp's avatar
 
Raymond Knopp committed
2608
  dump_frame_parms(frame_parms[0]);
2609

Raymond Knopp's avatar
 
Raymond Knopp committed
2610
  if(frame_parms[0]->N_RB_DL == 100) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2611
    sample_rate = 30.72e6;
2612
#ifndef EXMIMO
2613
    openair0_cfg[0].samples_per_packet = 2048;
Raymond Knopp's avatar
 
Raymond Knopp committed
2614 2615 2616
    samples_per_frame = 307200;
    // from usrp_time_offset
    tx_forward_nsamps = 175;
2617
    tx_delay = 8;
Raymond Knopp's avatar
 
Raymond Knopp committed
2618
#endif
2619
  } else if(frame_parms[0]->N_RB_DL == 50) {
2620
    sample_rate = 15.36e6;
2621
#ifndef EXMIMO
2622
    openair0_cfg[0].samples_per_packet = 2048;
Raymond Knopp's avatar
 
Raymond Knopp committed
2623 2624
    samples_per_frame = 153600;
    tx_forward_nsamps = 95;
2625
    tx_delay = 5;
Raymond Knopp's avatar
 
Raymond Knopp committed
2626
#endif
2627
  } else if (frame_parms[0]->N_RB_DL == 25) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2628
    sample_rate = 7.68e6;
2629
#ifndef EXMIMO
2630
    openair0_cfg[0].samples_per_packet = 1024;
Raymond Knopp's avatar
 
Raymond Knopp committed
2631 2632
    samples_per_frame = 76800;
    tx_forward_nsamps = 70;
2633
    tx_delay = 6;
Raymond Knopp's avatar
 
Raymond Knopp committed
2634
#endif
2635
  } else if (frame_parms[0]->N_RB_DL == 6) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2636 2637
    sample_rate = 1.92e6;
#ifndef EXMIMO
2638
    openair0_cfg[0].samples_per_packet = 256;
Raymond Knopp's avatar
 
Raymond Knopp committed
2639 2640
    samples_per_frame = 19200;
    tx_forward_nsamps = 40;
2641
    tx_delay = 8;
Raymond Knopp's avatar
 
Raymond Knopp committed
2642 2643
#endif
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
2644 2645

#ifdef ETHERNET
2646

2647
  if (frame_parms[0]->N_RB_DL == 6) openair0_cfg[0].samples_per_packet = 256
2648
        else openair0_cfg[0].samples_per_packet = 1536;
Raymond Knopp's avatar
 
Raymond Knopp committed
2649

2650
  printf("HW: samples_per_packet %d\n",openair0_cfg[0].samples_per_packet);
Raymond Knopp's avatar
 
Raymond Knopp committed
2651 2652
#endif

2653

2654
  for (card=0; card<MAX_CARDS; card++) {
2655
#ifndef EXMIMO
2656
    openair0_cfg[card].samples_per_packet = openair0_cfg[0].samples_per_packet;
2657 2658
#endif
    printf("HW: Configuring card %d, nb_antennas_tx/rx %d/%d\n",card,
2659 2660
           ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_tx),
           ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_rx));
Raymond Knopp's avatar
 
Raymond Knopp committed
2661 2662
    openair0_cfg[card].Mod_id = 0;
#ifdef ETHERNET
2663 2664

    if (UE_flag) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2665 2666 2667
      printf("ETHERNET: Configuring UE ETH for %s:%d\n",rrh_UE_ip,rrh_UE_port);
      openair0_cfg[card].rrh_ip   = &rrh_UE_ip[0];
      openair0_cfg[card].rrh_port = rrh_UE_port;
2668 2669 2670 2671
    } else {
      printf("ETHERNET: Configuring eNB ETH for %s:%d\n",rrh_eNB_ip,rrh_eNB_port);
      openair0_cfg[card].rrh_ip   = &rrh_eNB_ip[0];
      openair0_cfg[card].rrh_port = rrh_eNB_port;
ghaddab's avatar
ghaddab committed
2672
    }
2673

Raymond Knopp's avatar
 
Raymond Knopp committed
2674
#endif
2675 2676 2677
    openair0_cfg[card].sample_rate = sample_rate;
    openair0_cfg[card].tx_bw = bw;
    openair0_cfg[card].rx_bw = bw;
2678
    // in the case of the USRP, the following variables need to be initialized before the init
2679
    // since the USRP only supports one CC (for the moment), we initialize all the cards with first CC.
2680
    // in the case of EXMIMO2, these values are overwirtten in the function setup_eNB/UE_buffer
2681
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
2682 2683
    openair0_cfg[card].tx_num_channels=min(2,((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_tx));
    openair0_cfg[card].rx_num_channels=min(2,((UE_flag==0) ? PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx : PHY_vars_UE_g[0][0]->lte_frame_parms.nb_antennas_rx));
2684 2685

    for (i=0; i<4; i++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2686

2687
      openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
2688
      openair0_cfg[card].rx_gain[i] = ((UE_flag==0) ? PHY_vars_eNB_g[0][0]->rx_total_gain_eNB_dB :
2689
                                       PHY_vars_UE_g[0][0]->rx_total_gain_dB) - USRP_GAIN_OFFSET;  // calibrated for USRP B210 @ 2.6 GHz, 30.72 MS/s
2690

2691 2692
      switch(frame_parms[0]->N_RB_DL) {
      case 6:
2693 2694 2695
        openair0_cfg[card].rx_gain[i] -= 6;
        break;

2696
      case 25:
2697 2698 2699
        openair0_cfg[card].rx_gain[i] += 6;
        break;

2700
      case 50:
2701 2702 2703
        openair0_cfg[card].rx_gain[i] += 8;
        break;

2704
      default:
2705
        break;
2706
      }
2707

2708 2709
      openair0_cfg[card].tx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] : downlink_frequency[0][i]+uplink_frequency_offset[0][i];
      openair0_cfg[card].rx_freq[i] = (UE_flag==0) ? downlink_frequency[0][i] + uplink_frequency_offset[0][i] : downlink_frequency[0][i];
2710
      printf("Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",
2711 2712 2713 2714 2715
             card,i, openair0_cfg[card].tx_gain[i],
             openair0_cfg[card].rx_gain[i],
             openair0_cfg[card].tx_freq[i],
             openair0_cfg[card].rx_freq[i]);

Raymond Knopp's avatar
 
Raymond Knopp committed
2716
    }
2717

2718
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2719
  }
2720

2721
  printf("Initializing openair0 ...");
2722

2723
  if (openair0_device_init(&openair0, &openair0_cfg[0]) <0) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2724 2725 2726
    printf("Exiting, cannot initialize device\n");
    exit(-1);
  }
2727

2728
  printf("Done\n");
2729 2730 2731

  mac_xface = malloc(sizeof(MAC_xface));

2732
#ifdef OPENAIR2
Raymond Knopp's avatar
 
Raymond Knopp committed
2733
  int eMBMS_active=0;
2734

Raymond Knopp's avatar
 
Raymond Knopp committed
2735
  l2_init(frame_parms[0],eMBMS_active,(uecap_xer_in==1)?uecap_xer:NULL,
2736 2737 2738
          0,// cba_group_active
          0); // HO flag

Raymond Knopp's avatar
 
Raymond Knopp committed
2739 2740 2741 2742
  if (UE_flag == 1)
    mac_xface->dl_phy_sync_success (0, 0, 0, 1);
  else
    mac_xface->mrbch_phy_sync_failure (0, 0, 0);
2743

2744 2745
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2746
  mac_xface->macphy_exit = &exit_fun;
2747

winckel's avatar
winckel committed
2748
#if defined(ENABLE_ITTI)
2749

Raymond Knopp's avatar
 
Raymond Knopp committed
2750
  if (create_tasks(UE_flag ? 0 : 1, UE_flag ? 1 : 0) < 0) {
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2751
    printf("cannot create ITTI tasks\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
2752 2753
    exit(-1); // need a softer mode
  }
2754

Raymond Knopp's avatar
 
Raymond Knopp committed
2755
  printf("ITTI tasks created\n");
winckel's avatar
winckel committed
2756
#endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
2757 2758

#ifdef OPENAIR2
2759
  printf("Filling UE band info\n");
2760

Raymond Knopp's avatar
 
Raymond Knopp committed
2761 2762
  if (UE_flag==1)
    fill_ue_band_info();
2763

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
2764
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2765

2766
  /* #ifdef OPENAIR2
Raymond Knopp's avatar
 
Raymond Knopp committed
2767 2768 2769 2770 2771 2772
  //if (otg_enabled) {
  init_all_otg(0);
  g_otg->seed = 0;
  init_seeds(g_otg->seed);
  g_otg->num_nodes = 2;
  for (i=0; i<g_otg->num_nodes; i++){
Raymond Knopp's avatar
 
Raymond Knopp committed
2773 2774 2775 2776 2777 2778
  for (j=0; j<g_otg->num_nodes; j++){
  g_otg->application_idx[i][j] = 1;
  //g_otg->packet_gen_type=SUBSTRACT_STRING;
  g_otg->aggregation_level[i][j][0]=1;
  g_otg->application_type[i][j][0] = BCBR; //MCBR, BCBR
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
2779 2780 2781
  }
  init_predef_traffic(UE_flag ? 1 : 0, UE_flag ? 0 : 1);
  //  }
2782
  #endif */
Raymond Knopp's avatar
 
Raymond Knopp committed
2783

2784
#ifdef EXMIMO
2785
  number_of_cards = openair0_num_detected_cards;
2786 2787
#else
  number_of_cards = 1;
2788
#endif
2789

2790

2791

2792
  for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2793
    rf_map[CC_id].card=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2794
    rf_map[CC_id].chain=CC_id;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2795
  }
2796

Raymond Knopp's avatar
 
Raymond Knopp committed
2797 2798
  // connect the TX/RX buffers
  if (UE_flag==1) {
2799
    openair_daq_vars.timing_advance = 0;//170;
2800

2801
    if (setup_ue_buffers(UE,&openair0_cfg[0],rf_map)!=0) {
2802 2803 2804
      printf("Error setting up eNB buffer\n");
      exit(-1);
    }
2805

2806
    printf("Setting UE buffer to all-RX\n");
2807

2808
    // Set LSBs for antenna switch (ExpressMIMO)
2809
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2810
      for (i=0; i<frame_parms[CC_id]->samples_per_tti*10; i++)
2811 2812
        for (aa=0; aa<frame_parms[CC_id]->nb_antennas_tx; aa++)
          UE[CC_id]->lte_ue_common_vars.txdata[aa][i] = 0x00010001;
Raymond Knopp's avatar
 
Raymond Knopp committed
2813
    }
2814

Raymond Knopp's avatar
 
Raymond Knopp committed
2815
    //p_exmimo_config->framing.tdd_config = TXRXSWITCH_TESTRX;
2816
  } else {
2817
    openair_daq_vars.timing_advance = 0;
2818

2819 2820 2821 2822
    if (setup_eNB_buffers(PHY_vars_eNB_g[0],&openair0_cfg[0],rf_map)!=0) {
      printf("Error setting up eNB buffer\n");
      exit(-1);
    }
2823

2824
    printf("Setting eNB buffer to all-RX\n");
2825

2826
    // Set LSBs for antenna switch (ExpressMIMO)
2827
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2828
      for (i=0; i<frame_parms[CC_id]->samples_per_tti*10; i++)
2829 2830
        for (aa=0; aa<frame_parms[CC_id]->nb_antennas_tx; aa++)
          PHY_vars_eNB_g[0][CC_id]->lte_eNB_common_vars.txdata[0][aa][i] = 0x00010001;
Raymond Knopp's avatar
 
Raymond Knopp committed
2831
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
2832
  }
2833

2834
#ifdef EXMIMO
2835
  openair0_config(&openair0_cfg[0],UE_flag);
Raymond Knopp's avatar
 
Raymond Knopp committed
2836 2837
#endif

2838
  /*
Raymond Knopp's avatar
 
Raymond Knopp committed
2839 2840
      for (ant=0;ant<4;ant++)
      p_exmimo_config->rf.do_autocal[ant] = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2841
  */
2842 2843

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
2844
  error_code = rtf_create(CHANSOUNDER_FIFO_MINOR,CHANSOUNDER_FIFO_SIZE);
2845

Raymond Knopp's avatar
 
Raymond Knopp committed
2846 2847 2848 2849 2850 2851
  if (error_code==0)
    printf("[OPENAIR][SCHED][INIT] Created EMOS FIFO %d\n",CHANSOUNDER_FIFO_MINOR);
  else if (error_code==ENODEV)
    printf("[OPENAIR][SCHED][INIT] Problem: EMOS FIFO %d is greater than or equal to RTF_NO\n",CHANSOUNDER_FIFO_MINOR);
  else if (error_code==ENOMEM)
    printf("[OPENAIR][SCHED][INIT] Problem: cannot allocate memory for EMOS FIFO %d\n",CHANSOUNDER_FIFO_MINOR);
2852
  else
Raymond Knopp's avatar
 
Raymond Knopp committed
2853
    printf("[OPENAIR][SCHED][INIT] Problem creating EMOS FIFO %d, error_code %d\n",CHANSOUNDER_FIFO_MINOR,error_code);
2854

2855 2856
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2857
  mlockall(MCL_CURRENT | MCL_FUTURE);
2858 2859

#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
2860
  // make main thread LXRT soft realtime
2861
  /* task = */ rt_task_init_schmod(nam2num("MAIN"), 9, 0, 0, SCHED_FIFO, 0xF);
Raymond Knopp's avatar
 
Raymond Knopp committed
2862 2863 2864 2865 2866

  // start realtime timer and scheduler
  //rt_set_oneshot_mode();
  rt_set_periodic_mode();
  start_rt_timer(0);
2867
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2868

Raymond Knopp's avatar
 
Raymond Knopp committed
2869 2870
  pthread_cond_init(&sync_cond,NULL);
  pthread_mutex_init(&sync_mutex, NULL);
2871

2872
#if defined(ENABLE_ITTI)
2873

Florian Kaltenberger's avatar
Florian Kaltenberger committed
2874 2875 2876 2877 2878
  // Wait for eNB application initialization to be complete (eNB registration to MME)
  if (UE_flag==0) {
    printf("Waiting for eNB application to be ready\n");
    wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
  }
2879

2880
#endif
2881

Raymond Knopp's avatar
 
Raymond Knopp committed
2882 2883

  // this starts the DMA transfers
2884
#ifdef EXMIMO
2885

Raymond Knopp's avatar
 
Raymond Knopp committed
2886
  if (UE_flag!=1)
2887
    for (card=0; card<openair0_num_detected_cards; card++)
2888
      openair0_start_rt_acquisition(card);
2889

Raymond Knopp's avatar
 
Raymond Knopp committed
2890
#endif
2891 2892

#ifdef XFORMS
2893 2894
  int UE_id;

Raymond Knopp's avatar
 
Raymond Knopp committed
2895 2896
  if (do_forms==1) {
    fl_initialize (&argc, argv, NULL, 0, 0);
2897 2898

    if (UE_flag==0) {
2899
      form_stats_l2 = create_form_stats_form();
2900 2901 2902
      fl_show_form (form_stats_l2->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "l2 stats");
      form_stats = create_form_stats_form();
      fl_show_form (form_stats->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "stats");
2903 2904 2905 2906 2907 2908 2909 2910 2911 2912 2913 2914 2915

      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
        form_enb[UE_id] = create_lte_phy_scope_enb();
        sprintf (title, "UE%d LTE UL SCOPE eNB",UE_id+1);
        fl_show_form (form_enb[UE_id]->lte_phy_scope_enb, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);

        if (otg_enabled) {
          fl_set_button(form_enb[UE_id]->button_0,1);
          fl_set_object_label(form_enb[UE_id]->button_0,"DL Traffic ON");
        } else {
          fl_set_button(form_enb[UE_id]->button_0,0);
          fl_set_object_label(form_enb[UE_id]->button_0,"DL Traffic OFF");
        }
2916
      }
2917
    } else {
2918 2919 2920 2921 2922 2923 2924
      form_stats = create_form_stats_form();
      fl_show_form (form_stats->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "stats");
      UE_id = 0;
      form_ue[UE_id] = create_lte_phy_scope_ue();
      sprintf (title, "LTE DL SCOPE UE");
      fl_show_form (form_ue[UE_id]->lte_phy_scope_ue, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);

Raymond Knopp's avatar
 
Raymond Knopp committed
2925
      if (openair_daq_vars.use_ia_receiver) {
2926 2927 2928 2929 2930
        fl_set_button(form_ue[UE_id]->button_0,1);
        fl_set_object_label(form_ue[UE_id]->button_0, "IA Receiver ON");
      } else {
        fl_set_button(form_ue[UE_id]->button_0,0);
        fl_set_object_label(form_ue[UE_id]->button_0, "IA Receiver OFF");
Raymond Knopp's avatar
 
Raymond Knopp committed
2931 2932 2933
      }
    }

Raymond Knopp's avatar
 
Raymond Knopp committed
2934
    ret = pthread_create(&forms_thread, NULL, scope_thread, NULL);
2935

2936 2937
    if (ret == 0)
      pthread_setname_np( forms_thread, "xforms" );
2938

Raymond Knopp's avatar
 
Raymond Knopp committed
2939 2940
    printf("Scope thread created, ret=%d\n",ret);
  }
2941

2942 2943 2944
#endif

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
2945 2946
  ret = pthread_create(&thread3, NULL, emos_thread, NULL);
  printf("EMOS thread created, ret=%d\n",ret);
jiangx's avatar
jiangx committed
2947 2948
  ret = pthread_create(&thread4, NULL, gps_thread, NULL);
  printf("GPS thread created, ret=%d\n",ret);
2949 2950
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2951
  rt_sleep_ns(10*FRAME_PERIOD);
2952 2953

#ifndef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
2954
  pthread_attr_init (&attr_dlsch_threads);
2955
  pthread_attr_setstacksize(&attr_dlsch_threads,4*PTHREAD_STACK_MIN);
2956

2957
  pthread_attr_init (&attr_UE_thread);
2958
  pthread_attr_setstacksize(&attr_UE_thread,8192);//5*PTHREAD_STACK_MIN);
2959

2960
#ifndef LOWLATENCY
2961 2962
  sched_param_UE_thread.sched_priority = sched_get_priority_max(SCHED_FIFO);
  pthread_attr_setschedparam(&attr_UE_thread,&sched_param_UE_thread);
2963
  sched_param_dlsch.sched_priority = sched_get_priority_max(SCHED_FIFO); //OPENAIR_THREAD_PRIORITY;
Raymond Knopp's avatar
 
Raymond Knopp committed
2964 2965
  pthread_attr_setschedparam  (&attr_dlsch_threads, &sched_param_dlsch);
  pthread_attr_setschedpolicy (&attr_dlsch_threads, SCHED_FIFO);
2966
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2967

2968 2969
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2970 2971
  // start the main thread
  if (UE_flag == 1) {
2972
    printf("Intializing UE Threads ...\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
2973
    init_UE_threads();
2974 2975 2976 2977 2978
#ifdef DLSCH_THREAD
    init_rx_pdsch_thread();
    rt_sleep_ns(FRAME_PERIOD/10);
    init_dlsch_threads();
#endif
2979

2980
    sleep(1);
2981
#ifdef RTAI
2982
    main_ue_thread = rt_thread_create(UE_thread, NULL, 100000000);
2983
#else
2984
    error_code = pthread_create(&main_ue_thread, &attr_UE_thread, UE_thread, NULL);
2985

Raymond Knopp's avatar
 
Raymond Knopp committed
2986 2987 2988
    if (error_code!= 0) {
      LOG_D(HW,"[lte-softmodem.c] Could not allocate UE_thread, error %d\n",error_code);
      return(error_code);
2989
    } else {
2990 2991
      LOG_D( HW, "[lte-softmodem.c] Allocate UE_thread successful\n" );
      pthread_setname_np( main_ue_thread, "main UE" );
Raymond Knopp's avatar
 
Raymond Knopp committed
2992
    }
2993

2994
#endif
2995
    printf("UE threads created\n");
2996
  } else {
2997

Raymond Knopp's avatar
 
Raymond Knopp committed
2998 2999
    if (multi_thread>0) {
      init_eNB_proc();
3000
      sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3001 3002
      LOG_D(HW,"[lte-softmodem.c] eNB threads created\n");
    }
3003

3004
    printf("Creating main eNB_thread \n");
Raymond Knopp's avatar
 
Raymond Knopp committed
3005
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3006
    main_eNB_thread = rt_thread_create(eNB_thread, NULL, PTHREAD_STACK_MIN);
Raymond Knopp's avatar
 
Raymond Knopp committed
3007
#else
3008
    error_code = pthread_create( &main_eNB_thread, &attr_dlsch_threads, eNB_thread, NULL );
3009

Raymond Knopp's avatar
 
Raymond Knopp committed
3010 3011 3012
    if (error_code!= 0) {
      LOG_D(HW,"[lte-softmodem.c] Could not allocate eNB_thread, error %d\n",error_code);
      return(error_code);
3013
    } else {
3014 3015
      LOG_D( HW, "[lte-softmodem.c] Allocate eNB_thread successful\n" );
      pthread_setname_np( main_eNB_thread, "main eNB" );
Raymond Knopp's avatar
 
Raymond Knopp committed
3016
    }
3017

Raymond Knopp's avatar
 
Raymond Knopp committed
3018 3019
#endif
  }
3020

Raymond Knopp's avatar
 
Raymond Knopp committed
3021
  // Sleep to allow all threads to setup
Raymond Knopp's avatar
 
Raymond Knopp committed
3022
  sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3023

3024
#ifdef USE_MME
3025

3026 3027 3028
  while (start_UE == 0) {
    sleep(1);
  }
3029

3030 3031
#endif

3032
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3033
#ifndef USRP_DEBUG
Raymond Knopp's avatar
 
Raymond Knopp committed
3034
  openair0.trx_start_func(&openair0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3035
  //  printf("returning from usrp start streaming: %llu\n",get_usrp_time(&openair0));
Raymond Knopp's avatar
 
Raymond Knopp committed
3036
#endif
3037 3038
#endif

3039

Raymond Knopp's avatar
 
Raymond Knopp committed
3040
  pthread_mutex_lock(&sync_mutex);
3041
  sync_var=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3042 3043
  pthread_cond_broadcast(&sync_cond);
  pthread_mutex_unlock(&sync_mutex);
3044

Raymond Knopp's avatar
 
Raymond Knopp committed
3045 3046 3047
  // wait for end of program
  printf("TYPE <CTRL-C> TO TERMINATE\n");
  //getchar();
3048 3049

#if defined(ENABLE_ITTI)
Raymond Knopp's avatar
 
Raymond Knopp committed
3050 3051
  printf("Entering ITTI signals handler\n");
  itti_wait_tasks_end();
3052
  oai_exit=1;
3053
#else
3054

Raymond Knopp's avatar
 
Raymond Knopp committed
3055 3056
  while (oai_exit==0)
    rt_sleep_ns(FRAME_PERIOD);
3057

3058
#endif
3059

Raymond Knopp's avatar
 
Raymond Knopp committed
3060
  // stop threads
3061
#ifdef XFORMS
Raymond Knopp's avatar
 
Raymond Knopp committed
3062
  printf("waiting for XFORMS thread\n");
3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075 3076 3077 3078

  if (do_forms==1) {
    pthread_join(forms_thread,&status);
    fl_hide_form(form_stats->stats_form);
    fl_free_form(form_stats->stats_form);

    if (UE_flag==1) {
      fl_hide_form(form_ue[0]->lte_phy_scope_ue);
      fl_free_form(form_ue[0]->lte_phy_scope_ue);
    } else {
      fl_hide_form(form_stats_l2->stats_form);
      fl_free_form(form_stats_l2->stats_form);

      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
        fl_hide_form(form_enb[UE_id]->lte_phy_scope_enb);
        fl_free_form(form_enb[UE_id]->lte_phy_scope_enb);
Raymond Knopp's avatar
 
Raymond Knopp committed
3079
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
3080
    }
3081 3082
  }

3083 3084
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3085
  printf("stopping MODEM threads\n");
3086

Raymond Knopp's avatar
 
Raymond Knopp committed
3087 3088
  // cleanup
  if (UE_flag == 1) {
3089
#ifdef EXMIMO
3090
#ifdef RTAI
3091
    rt_thread_join(main_ue_thread);
3092
#else
3093
    pthread_join(main_ue_thread,&status);
3094 3095
#endif
#ifdef DLSCH_THREAD
Raymond Knopp's avatar
 
Raymond Knopp committed
3096 3097
    cleanup_dlsch_threads();
    cleanup_rx_pdsch_thread();
3098
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3099
#endif
3100
  } else {
Raymond Knopp's avatar
 
Raymond Knopp committed
3101
#ifdef DEBUG_THREADS
Raymond Knopp's avatar
 
Raymond Knopp committed
3102
    printf("Joining eNB_thread ...");
Raymond Knopp's avatar
 
Raymond Knopp committed
3103
#endif
3104
#ifdef RTAI
3105
    rt_thread_join(main_eNB_thread);
3106
#else
3107 3108
    int *eNB_thread_status_p;
    int result = pthread_join( main_eNB_thread, (void**)&eNB_thread_status_p );
Raymond Knopp's avatar
 
Raymond Knopp committed
3109
#ifdef DEBUG_THREADS
3110

3111
    if (result != 0) {
3112
      printf( "\nError joining main_eNB_thread.\n" );
3113
    } else {
3114 3115 3116 3117 3118
      if (eNB_thread_status_p) {
        printf( "status %d\n", *eNB_thread_status_p );
      } else {
        printf( "The thread was killed. No status available.\n");
      }
3119
    }
3120

3121 3122
#else
    UNUSED(result);
3123 3124
#endif // DEBUG_THREADS
#endif // RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3125

Raymond Knopp's avatar
 
Raymond Knopp committed
3126 3127 3128
    if (multi_thread>0) {
      printf("Killing eNB processing threads\n");
      kill_eNB_proc();
Raymond Knopp's avatar
 
Raymond Knopp committed
3129

Raymond Knopp's avatar
 
Raymond Knopp committed
3130
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3131
  }
3132

3133
#ifdef OPENAIR2
Raymond Knopp's avatar
 
Raymond Knopp committed
3134
  //cleanup_pdcp_thread();
3135 3136
#endif

3137
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3138
  stop_rt_timer();
3139
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3140 3141
  pthread_cond_destroy(&sync_cond);
  pthread_mutex_destroy(&sync_mutex);
3142

3143

3144
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3145
  printf("stopping card\n");
3146
  openair0_stop(0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3147 3148
  printf("closing openair0_lib\n");
  openair0_close();
Raymond Knopp's avatar
 
Raymond Knopp committed
3149
#endif
3150 3151

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3152 3153 3154
  printf("waiting for EMOS thread\n");
  pthread_cancel(thread3);
  pthread_join(thread3,&status);
jiangx's avatar
jiangx committed
3155 3156 3157
  printf("waiting for GPS thread\n");
  pthread_cancel(thread4);
  pthread_join(thread4,&status);
3158 3159 3160
#endif

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3161 3162
  error_code = rtf_destroy(CHANSOUNDER_FIFO_MINOR);
  printf("[OPENAIR][SCHED][CLEANUP] EMOS FIFO closed, error_code %d\n", error_code);
3163 3164
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3165 3166
  if (ouput_vcd)
    vcd_signal_dumper_close();
3167

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
3168
#ifdef OPENAIR2
3169

3170
  if (opt_enabled == 1)
3171
    terminate_opt();
3172

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
3173
#endif
3174

Raymond Knopp's avatar
 
Raymond Knopp committed
3175
  logClean();
3176

Raymond Knopp's avatar
 
Raymond Knopp committed
3177 3178
  return 0;
}
3179 3180


3181 3182 3183
/* this function maps the phy_vars_eNB tx and rx buffers to the available rf chains.
   Each rf chain is is addressed by the card number and the chain on the card. The
   rf_map specifies for each CC, on which rf chain the mapping should start. Multiple
3184
   antennas are mapped to successive RF chains on the same card. */
3185 3186
int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs])
{
3187

3188
  int i, CC_id;
3189
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3190
  uint16_t N_TA_offset = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3191 3192
#else
  int j;
Raymond Knopp's avatar
 
Raymond Knopp committed
3193
#endif
3194
  LTE_DL_FRAME_PARMS *frame_parms;
3195

Raymond Knopp's avatar
 
Raymond Knopp committed
3196

3197 3198
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
    if (phy_vars_eNB[CC_id]) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3199 3200
      frame_parms = &(phy_vars_eNB[CC_id]->lte_frame_parms);
      printf("setup_eNB_buffers: frame_parms = %p\n",frame_parms);
3201
    } else {
3202 3203
      printf("phy_vars_eNB[%d] not initialized\n", CC_id);
      return(-1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3204
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3205

3206
#ifndef EXMIMO
3207

3208 3209
    if (frame_parms->frame_type == TDD) {
      if (frame_parms->N_RB_DL == 100)
3210
        N_TA_offset = 624;
3211
      else if (frame_parms->N_RB_DL == 50)
3212
        N_TA_offset = 624/2;
3213
      else if (frame_parms->N_RB_DL == 25)
3214
        N_TA_offset = 624/4;
Raymond Knopp's avatar
 
Raymond Knopp committed
3215
    }
3216

Raymond Knopp's avatar
 
Raymond Knopp committed
3217
#endif
3218 3219


3220 3221 3222



Raymond Knopp's avatar
 
Raymond Knopp committed
3223
    // replace RX signal buffers with mmaped HW versions
3224
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3225 3226 3227
    openair0_cfg[CC_id].tx_num_channels = 0;
    openair0_cfg[CC_id].rx_num_channels = 0;

3228
    for (i=0; i<frame_parms->nb_antennas_rx; i++) {
3229 3230 3231
      printf("Mapping eNB CC_id %d, rx_ant %d, freq %u on card %d, chain %d\n",CC_id,i,downlink_frequency[CC_id][i]+uplink_frequency_offset[CC_id][i],rf_map[CC_id].card,rf_map[CC_id].chain+i);
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = (int32_t*) openair0_exmimo_pci[rf_map[CC_id].card].adc_head[rf_map[CC_id].chain+i];
3232

3233
      if (openair0_cfg[rf_map[CC_id].card].rx_freq[rf_map[CC_id].chain+i]) {
3234 3235 3236 3237 3238 3239
        printf("Error with rf_map! A channel has already been allocated!\n");
        return(-1);
      } else {
        openair0_cfg[rf_map[CC_id].card].rx_freq[rf_map[CC_id].chain+i] = downlink_frequency[CC_id][i]+uplink_frequency_offset[CC_id][i];
        openair0_cfg[rf_map[CC_id].card].rx_gain[rf_map[CC_id].chain+i] = rx_gain[CC_id][i];
        openair0_cfg[rf_map[CC_id].card].rx_num_channels++;
3240
      }
3241

3242
      printf("rxdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
3243 3244 3245 3246

      for (j=0; j<16; j++) {
        printf("rxbuffer %d: %x\n",j,phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i][j]);
        phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i][j] = 16-j;
3247
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
3248
    }
3249 3250

    for (i=0; i<frame_parms->nb_antennas_tx; i++) {
3251 3252 3253
      printf("Mapping eNB CC_id %d, tx_ant %d, freq %u on card %d, chain %d\n",CC_id,i,downlink_frequency[CC_id][i],rf_map[CC_id].card,rf_map[CC_id].chain+i);
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = (int32_t*) openair0_exmimo_pci[rf_map[CC_id].card].dac_head[rf_map[CC_id].chain+i];
3254

3255
      if (openair0_cfg[rf_map[CC_id].card].tx_freq[rf_map[CC_id].chain+i]) {
3256 3257 3258 3259 3260 3261
        printf("Error with rf_map! A channel has already been allocated!\n");
        return(-1);
      } else {
        openair0_cfg[rf_map[CC_id].card].tx_freq[rf_map[CC_id].chain+i] = downlink_frequency[CC_id][i];
        openair0_cfg[rf_map[CC_id].card].tx_gain[rf_map[CC_id].chain+i] = tx_gain[CC_id][i];
        openair0_cfg[rf_map[CC_id].card].tx_num_channels++;
3262
      }
3263

3264
      printf("txdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
3265 3266 3267 3268

      for (j=0; j<16; j++) {
        printf("txbuffer %d: %x\n",j,phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i][j]);
        phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i][j] = 16-j;
3269
      }
3270
    }
3271

3272
#else // not EXMIMO
3273 3274 3275
    rxdata = (int32_t**)malloc16(frame_parms->nb_antennas_rx*sizeof(int32_t*));
    txdata = (int32_t**)malloc16(frame_parms->nb_antennas_tx*sizeof(int32_t*));

3276
    for (i=0; i<frame_parms->nb_antennas_rx; i++) {
3277
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
Raymond Knopp's avatar
 
Raymond Knopp committed
3278
      rxdata[i] = (int32_t*)(16 + malloc16(16+samples_per_frame*sizeof(int32_t)));
3279 3280 3281
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD
      memset(rxdata[i], 0, samples_per_frame*sizeof(int32_t));
      printf("rxdata[%d] @ %p (%p) (N_TA_OFFSET %d)\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i],rxdata[i],N_TA_offset);
Raymond Knopp's avatar
 
Raymond Knopp committed
3282
    }
3283 3284

    for (i=0; i<frame_parms->nb_antennas_tx; i++) {
3285
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
ghaddab's avatar
ghaddab committed
3286
      txdata[i] = (int32_t*)(16 + malloc16(16 + samples_per_frame*sizeof(int32_t)));
3287 3288
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = txdata[i];
      memset(txdata[i], 0, samples_per_frame*sizeof(int32_t));
3289
      printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
3290

Raymond Knopp's avatar
 
Raymond Knopp committed
3291
    }
3292

Raymond Knopp's avatar
 
Raymond Knopp committed
3293
#endif
3294
  }
3295

3296
  return(0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3297
}
3298

3299 3300
void reset_opp_meas(void)
{
3301 3302 3303
  int sfn;
  reset_meas(&softmodem_stats_mt);
  reset_meas(&softmodem_stats_hw);
3304

3305 3306 3307 3308 3309 3310
  for (sfn=0; sfn < 10; sfn++) {
    reset_meas(&softmodem_stats_tx_sf[sfn]);
    reset_meas(&softmodem_stats_rx_sf[sfn]);
  }
}

3311 3312
void print_opp_meas(void)
{
3313 3314 3315
  int sfn=0;
  print_meas(&softmodem_stats_mt, "Main ENB Thread", NULL, NULL);
  print_meas(&softmodem_stats_hw, "HW Acquisation", NULL, NULL);
3316

3317 3318 3319 3320 3321
  for (sfn=0; sfn < 10; sfn++) {
    print_meas(&softmodem_stats_tx_sf[sfn],"[eNB][total_phy_proc_tx]",NULL, NULL);
    print_meas(&softmodem_stats_rx_sf[sfn],"[eNB][total_phy_proc_rx]",NULL,NULL);
  }
}