lte-softmodem.c 128 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
   Contact Information
   OpenAirInterface Admin: openair_admin@eurecom.fr
   OpenAirInterface Tech : openair_tech@eurecom.fr
24
   OpenAirInterface Dev  : openair4g-devel@lists.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
#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 <sched.h>
49
#include <linux/sched.h>
50 51 52
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>
53
#include <sys/sysinfo.h>
54
#include "rt_wrapper.h"
55

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

58
#include "assertions.h"
59
#include "msc.h"
60 61 62

#ifdef EMOS
#include <gps.h>
jiangx's avatar
jiangx committed
63
struct gps_fix_t dummy_gps_data;
64 65 66
#endif

#include "PHY/types.h"
67

68
#include "PHY/defs.h"
69
#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
70
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
71

72
#ifdef EXMIMO
73
#include "openair0_lib.h"
Raymond Knopp's avatar
 
Raymond Knopp committed
74 75 76 77
#else
#include "../../ARCH/COMMON/common_lib.h"
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
78
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
79 80 81 82 83 84 85 86 87 88 89 90 91

#include "PHY/vars.h"
#include "SCHED/vars.h"
#include "LAYER2/MAC/vars.h"

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

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

#include "LAYER2/MAC/defs.h"
#include "LAYER2/MAC/vars.h"
92
#include "LAYER2/MAC/proto.h"
93 94 95 96 97 98 99 100
#include "RRC/LITE/vars.h"
#include "PHY_INTERFACE/vars.h"

#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
101
#include "UTIL/OTG/otg_tx.h"
102
#include "UTIL/OTG/otg_externs.h"
103 104
#include "UTIL/MATH/oml.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
105
#include "UTIL/OPT/opt.h"
106
#include "enb_config.h"
Navid Nikaein's avatar
Navid Nikaein committed
107
//#include "PHY/TOOLS/time_meas.h"
108

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
109 110 111 112
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif

113 114
#if defined(ENABLE_ITTI)
# include "intertask_interface_init.h"
115
# include "create_tasks.h"
116 117
# if defined(ENABLE_USE_MME)
#   include "s1ap_eNB.h"
118
#ifdef PDCP_USE_NETLINK
119 120
#   include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
121
# endif
122 123
#endif

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

#define FRAME_PERIOD    100000000ULL
#define DAQ_PERIOD      66667ULL

Florian Kaltenberger's avatar
Florian Kaltenberger committed
132
//#define DEBUG_THREADS 1
Raymond Knopp's avatar
 
Raymond Knopp committed
133

Raymond Knopp's avatar
 
Raymond Knopp committed
134 135
//#define USRP_DEBUG 1

136
struct timing_info_t {
137 138 139 140
  //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;
141 142 143
} timing_info;


Raymond Knopp's avatar
 
Raymond Knopp committed
144

145
openair0_config_t openair0_cfg[MAX_CARDS];
Raymond Knopp's avatar
 
Raymond Knopp committed
146

Raymond Knopp's avatar
 
Raymond Knopp committed
147 148
int32_t **rxdata;
int32_t **txdata;
149 150
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]);
151

152 153 154 155
uint16_t runtime_phy_rx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
uint16_t runtime_phy_tx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
double cpuf;

156
void fill_ue_band_info(void);
157
#ifdef XFORMS
158
// current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0)
159
// at eNB 0, an UL scope for every UE
160
FD_lte_phy_scope_ue  *form_ue[NUMBER_OF_UE_MAX];
161
FD_lte_phy_scope_enb *form_enb[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
162
FD_stats_form                  *form_stats=NULL,*form_stats_l2=NULL;
163
char title[255];
164
unsigned char                   scope_enb_num_ue = 2;
165 166 167
#endif //XFORMS

#ifdef RTAI
168

169 170
static long                      main_eNB_thread;
static long                      main_ue_thread;
171

172
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
173 174
pthread_t                       main_eNB_thread;
pthread_t                       main_ue_thread;
175

176
pthread_attr_t                  attr_dlsch_threads;
177 178
pthread_attr_t                  attr_UE_thread;

179
#ifndef LOWLATENCY
180
struct sched_param              sched_param_dlsch;
181
#endif
182
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
183

Raymond Knopp's avatar
 
Raymond Knopp committed
184 185
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
186
int sync_var=-1; //!< protected by mutex \ref sync_mutex.
187

188

189 190


191
struct sched_param              sched_param_UE_thread;
192

193 194
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];
195
#ifndef LOWLATENCY
196 197
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];
198
#endif
199
#ifdef XFORMS
Raymond Knopp's avatar
 
Raymond Knopp committed
200
static pthread_t                forms_thread; //xforms
201 202 203
#endif
#ifdef EMOS
static pthread_t                thread3; //emos
jiangx's avatar
jiangx committed
204
static pthread_t                thread4; //GPS
205
#endif
206

Raymond Knopp's avatar
 
Raymond Knopp committed
207
openair0_device openair0;
208

Raymond Knopp's avatar
 
Raymond Knopp committed
209

210
/*
Raymond Knopp's avatar
 
Raymond Knopp committed
211 212 213
  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;
214 215 216 217
*/
//extern unsigned int bigphys_top;
//extern unsigned int mem_base;

218
//int                             card = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
219

220

221
#if defined(ENABLE_ITTI)
222 223
static volatile int             start_eNB = 0;
static volatile int             start_UE = 0;
224
#endif
225 226 227 228 229 230
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
231

232
static char                     UE_flag=0;
233 234
//static uint8_t                  eNB_id=0,UE_id=0;

235
static char                     threequarter_fs=0;
236

237
uint32_t                 downlink_frequency[MAX_NUM_CCs][4];
238
int32_t                  uplink_frequency_offset[MAX_NUM_CCs][4];
Lionel Gauthier's avatar
Lionel Gauthier committed
239

240
openair0_rf_map rf_map[MAX_NUM_CCs];
241

242
static char                    *conf_config_file_name = NULL;
243
#if defined(ENABLE_ITTI)
244
static char                    *itti_dump_file = NULL;
Raymond Knopp's avatar
 
Raymond Knopp committed
245 246
#endif

247
int UE_scan = 1;
248
int UE_scan_carrier = 0;
249 250
runmode_t mode = normal_txrx;

251 252
FILE *input_fd=NULL;

253

Raymond Knopp's avatar
 
Raymond Knopp committed
254
#ifdef EXMIMO
255 256 257 258
#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
259 260
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}};
261
#endif
262
// these are for EXMIMO2 target only
263
/*
Raymond Knopp's avatar
 
Raymond Knopp committed
264 265 266
  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};
267
 */
268
// these are for EXMIMO2 card 39
269 270 271 272 273 274
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};
275 276 277
#if MAX_NUM_CCs == 1
rx_gain_t                rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
#else
278
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}};
279
#endif
Lionel Gauthier's avatar
Lionel Gauthier committed
280
#else
kortke's avatar
kortke committed
281 282
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
283
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
284

Raymond Knopp's avatar
 
Raymond Knopp committed
285
double sample_rate=30.72e6;
286
double bw = 10.0e6;
287

288
static int                      tx_max_power[MAX_NUM_CCs]; /* =  {0,0}*/;
289

290 291
char   rf_config_file[1024];

Florian Kaltenberger's avatar
Florian Kaltenberger committed
292
int chain_offset=0;
293
int phy_test = 0;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
294

295
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
296 297 298 299
char ref[128] = "internal";
char channels[128] = "0";

#endif
300 301

int                      rx_input_level_dBm;
302
static int                      online_log_messages=0;
303
#ifdef XFORMS
304
extern int                      otg_enabled;
305
static char                     do_forms=0;
306
#else
307
int                             otg_enabled;
308
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
309
//int                             number_of_cards =   1;
Raymond Knopp's avatar
 
Raymond Knopp committed
310
#ifdef EXMIMO
311 312
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
313
#endif
314

Raymond Knopp's avatar
 
Raymond Knopp committed
315
static LTE_DL_FRAME_PARMS      *frame_parms[MAX_NUM_CCs];
316

Raymond Knopp's avatar
 
Raymond Knopp committed
317
int multi_thread=1;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
318
uint32_t target_dl_mcs = 28; //maximum allowed mcs
319
uint32_t target_ul_mcs = 20;
320
uint32_t timing_advance = 0;
321 322
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
323

Raymond Knopp's avatar
 
Raymond Knopp committed
324

325
time_stats_t softmodem_stats_mt; // main thread
Raymond Knopp's avatar
 
Raymond Knopp committed
326
time_stats_t softmodem_stats_hw; //  hw acquisition
327 328
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
329 330
void reset_opp_meas(void);
void print_opp_meas(void);
331
int transmission_mode=1;
Raymond Knopp's avatar
 
Raymond Knopp committed
332

333
int16_t           glog_level         = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
334
int16_t           glog_verbosity     = LOG_MED;
335
int16_t           hw_log_level       = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
336
int16_t           hw_log_verbosity   = LOG_MED;
337
int16_t           phy_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
338
int16_t           phy_log_verbosity  = LOG_MED;
339
int16_t           mac_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
340
int16_t           mac_log_verbosity  = LOG_MED;
341
int16_t           rlc_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
342
int16_t           rlc_log_verbosity  = LOG_MED;
343
int16_t           pdcp_log_level     = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
344
int16_t           pdcp_log_verbosity = LOG_MED;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
345
int16_t           rrc_log_level      = LOG_INFO;
Lionel Gauthier's avatar
 
Lionel Gauthier committed
346
int16_t           rrc_log_verbosity  = LOG_MED;
347 348 349
int16_t           opt_log_level      = LOG_INFO;
int16_t           opt_log_verbosity  = LOG_MED;

Lionel Gauthier's avatar
 
Lionel Gauthier committed
350 351 352 353 354 355
# 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
356 357 358
#if defined (ENABLE_SECURITY)
int16_t           osa_log_level      = LOG_INFO;
int16_t           osa_log_verbosity  = LOG_MED;
359
#endif
360

Raymond Knopp's avatar
 
Raymond Knopp committed
361 362 363

#ifdef ETHERNET
char *rrh_UE_ip = "127.0.0.1";
364
int rrh_UE_port = 51000;
Raymond Knopp's avatar
 
Raymond Knopp committed
365 366
#endif

367 368 369 370 371
/* flag set by eNB conf file to specify if the radio head is local or remote (default option is local) */
uint8_t local_remote_radio = BBU_LOCAL_RADIO_HEAD;
/* struct for ethernet specific parameters given in eNB conf file */
eth_params_t *eth_params;

Raymond Knopp's avatar
 
Raymond Knopp committed
372
char uecap_xer[1024],uecap_xer_in=0;
373 374
extern void *UE_thread(void *arg);
extern void init_UE_threads(void);
Raymond Knopp's avatar
 
Raymond Knopp committed
375

376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393
/*---------------------BMC: timespec helpers -----------------------------*/

struct timespec min_diff_time = { .tv_sec = 0, .tv_nsec = 0 };
struct timespec max_diff_time = { .tv_sec = 0, .tv_nsec = 0 };

struct timespec clock_difftime(struct timespec start, struct timespec end)
{
    struct timespec temp;
    if ((end.tv_nsec-start.tv_nsec)<0) {
        temp.tv_sec = end.tv_sec-start.tv_sec-1;
	temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
    } else {
        temp.tv_sec = end.tv_sec-start.tv_sec;
	temp.tv_nsec = end.tv_nsec-start.tv_nsec;
    }
    return temp;
}

Cedric Roux's avatar
Cedric Roux committed
394
void print_difftimes(void)
395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416
{
#ifdef DEBUG
    printf("difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#else
    LOG_I(HW,"difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#endif
}

void update_difftimes(struct timespec start, struct timespec end)
{
    struct timespec diff_time = { .tv_sec = 0, .tv_nsec = 0 };
    int             changed = 0;
    diff_time = clock_difftime(start, end);
    if ((min_diff_time.tv_nsec == 0) || (diff_time.tv_nsec < min_diff_time.tv_nsec)) { min_diff_time.tv_nsec = diff_time.tv_nsec; changed = 1; }
    if ((max_diff_time.tv_nsec == 0) || (diff_time.tv_nsec > max_diff_time.tv_nsec)) { max_diff_time.tv_nsec = diff_time.tv_nsec; changed = 1; }
#if 1
    if (changed) print_difftimes();
#endif
}

/*------------------------------------------------------------------------*/

417
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq)
418
{
Raymond Knopp's avatar
 
Raymond Knopp committed
419
  return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
420 421 422
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
423
  return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
424 425
}

426
#if !defined(ENABLE_ITTI)
427 428 429 430 431 432 433 434
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);
435

436 437 438 439
    // print out all the frames to stderr
    fprintf(stderr, "Error: signal %d:\n", sig);
    backtrace_symbols_fd(array, size, 2);
    exit(-1);
440 441
  } else {
    printf("trying to exit gracefully...\n");
442
    oai_exit = 1;
443 444
  }
}
445
#endif
446 447 448 449 450 451 452 453 454 455 456
#define KNRM  "\x1B[0m"
#define KRED  "\x1B[31m"
#define KGRN  "\x1B[32m"
#define KBLU  "\x1B[34m"
#define RESET "\033[0m"

void help (void) {
  printf (KGRN "Usage:\n");
  printf("  sudo -E lte-softmodem [options]\n");
  printf("  sudo -E ./lte-softmodem -O ../../../targets/PROJECTS/GENERIC-LTE-EPC/CONF/enb.band7.tm1.exmimo2.openEPC.conf -S -V -m 26 -t 16 -x 1 --ulsch-max-errors 100 -W\n\n");
  printf("Options:\n");
457
  printf("  --rf-config-file Configuration file for front-end (e.g. LMS7002M)\n");
458 459 460 461
  printf("  --ulsch-max-errors set the max ULSCH erros\n");
  printf("  --calib-ue-rx set UE RX calibration\n");
  printf("  --calib-ue-rx-med \n");
  printf("  --calib-ue-rxbyp\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
462 463
  printf("  --debug-ue-prach run normal prach power ramping, but don't continue random-access\n");
  printf("  --calib-prach-tx run normal prach with maximum power, but don't continue random-access\n");
464
  printf("  --no-L2-connect bypass L2 and upper layers\n");
465 466 467 468
  printf("  --ue-rxgain set UE RX gain\n");
  printf("  --ue-txgain set UE TX gain\n");
  printf("  --ue-scan_carrier set UE to scan around carrier\n");
  printf("  --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
469
  printf("  -C Set the downlink frequency for all component carriers\n");
470 471 472
  printf("  -d Enable soft scope and L1 and L2 stats (Xforms)\n");
  printf("  -F Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n");
  printf("  -g Set the global log level, valide options: (9:trace, 8/7:debug, 6:info, 4:warn, 3:error)\n");
473
  printf("  -G Set the global log verbosity \n");
474 475 476 477 478
  printf("  -h provides this help message!\n");
  printf("  -K Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n");
  printf("  -m Set the maximum downlink MCS\n");
  printf("  -O eNB configuration file (located in targets/PROJECTS/GENERIC-LTE-EPC/CONF\n");
  printf("  -q Enable processing timing measurement of lte softmodem on per subframe basis \n");
kaltenbe's avatar
kaltenbe committed
479
  printf("  -r Set the PRB, valid values: 6, 25, 50, 100  \n");    
480 481
  printf("  -S Skip the missed slots/subframes \n");    
  printf("  -t Set the maximum uplink MCS\n");
482
  printf("  -T Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n");
483 484 485 486
  printf("  -U Set the lte softmodem as a UE\n");
  printf("  -W Enable L2 wireshark messages on localhost \n");
  printf("  -V Enable VCD (generated file will be located atopenair_dump_eNB.vcd, read it with target/RT/USER/eNB.gtkw\n");
  printf("  -x Set the transmission mode, valid options: 1 \n"RESET);    
487

488
}
489 490
void exit_fun(const char* s)
{
491
  if (s != NULL) {
492
    printf("%s %s() Exiting OAI softmodem: %s\n",__FILE__, __FUNCTION__, s);
493 494 495 496 497
  }

  oai_exit = 1;

#if defined(ENABLE_ITTI)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
498
  sleep(1); //allow lte-softmodem threads to exit first
499
  itti_terminate_tasks (TASK_UNKNOWN);
500
#endif
501 502 503 504 505 506

  //rt_sleep_ns(FRAME_PERIOD);

  //exit (-1);
}

507

508
#ifdef XFORMS
509

510 511
void reset_stats(FL_OBJECT *button, long arg)
{
512 513
  int i,j,k;
  PHY_VARS_eNB *phy_vars_eNB = PHY_vars_eNB_g[0][0];
514 515 516

  for (i=0; i<NUMBER_OF_UE_MAX; i++) {
    for (k=0; k<8; k++) { //harq_processes
517
      for (j=0; j<phy_vars_eNB->dlsch_eNB[i][0]->Mlimit; j++) {
518 519 520
        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;
521
      }
522

523 524 525
      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;
526

527
      for (j=0; j<phy_vars_eNB->ulsch_eNB[i]->Mlimit; j++) {
528 529 530 531
        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;
532
      }
533
    }
534

535 536 537
    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;
538 539 540
  }
}

541 542
static void *scope_thread(void *arg)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
543
  char stats_buffer[16384];
544
# ifdef ENABLE_XFORMS_WRITE_STATS
Raymond Knopp's avatar
 
Raymond Knopp committed
545
  FILE *UE_stats, *eNB_stats;
546
# endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
547
  int len = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
548
  struct sched_param sched_param;
549
  int UE_id, CC_id;
550
  int ue_cnt=0;
551

552
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
Raymond Knopp's avatar
 
Raymond Knopp committed
553
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
554

Raymond Knopp's avatar
 
Raymond Knopp committed
555
  printf("Scope thread has priority %d\n",sched_param.sched_priority);
556

557
# ifdef ENABLE_XFORMS_WRITE_STATS
558 559

  if (UE_flag==1)
Raymond Knopp's avatar
 
Raymond Knopp committed
560
    UE_stats  = fopen("UE_stats.txt", "w");
561
  else
Raymond Knopp's avatar
 
Raymond Knopp committed
562
    eNB_stats = fopen("eNB_stats.txt", "w");
563

564
#endif
565

Raymond Knopp's avatar
 
Raymond Knopp committed
566 567
  while (!oai_exit) {
    if (UE_flag==1) {
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
568
      len = dump_ue_stats (PHY_vars_UE_g[0][0], stats_buffer, 0, mode,rx_input_level_dBm);
knopp's avatar
knopp committed
569 570 571
      //fl_set_object_label(form_stats->stats_text, stats_buffer);
      fl_clear_browser(form_stats->stats_text);
      fl_add_browser_line(form_stats->stats_text, stats_buffer);
572

573 574 575 576 577
      phy_scope_UE(form_ue[0],
                   PHY_vars_UE_g[0][0],
                   0,
                   0,7);

Raymond Knopp's avatar
 
Raymond Knopp committed
578
    } else {
579 580 581 582 583 584
      if (PHY_vars_eNB_g[0][0]->mac_enabled==1) {
	len = dump_eNB_l2_stats (stats_buffer, 0);
	//fl_set_object_label(form_stats_l2->stats_text, stats_buffer);
	fl_clear_browser(form_stats_l2->stats_text);
	fl_add_browser_line(form_stats_l2->stats_text, stats_buffer);
      }
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
585
      len = dump_eNB_stats (PHY_vars_eNB_g[0][0], stats_buffer, 0);
586

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
587
      if (MAX_NUM_CCs>1)
588 589
        len += dump_eNB_stats (PHY_vars_eNB_g[0][1], &stats_buffer[len], 0);

590 591 592
      //fl_set_object_label(form_stats->stats_text, stats_buffer);
      fl_clear_browser(form_stats->stats_text);
      fl_add_browser_line(form_stats->stats_text, stats_buffer);
593

594 595
      ue_cnt=0;
      for(UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
596
	for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
597
	  if ((PHY_vars_eNB_g[0][CC_id]->dlsch_eNB[UE_id][0]->rnti>0) && (ue_cnt<scope_enb_num_ue)) {
gauthier's avatar
gauthier committed
598
	    phy_scope_eNB(form_enb[CC_id][ue_cnt],
599 600 601 602
			  PHY_vars_eNB_g[0][CC_id],
			  UE_id);
	    ue_cnt++;
	  }
603
	}
Raymond Knopp's avatar
 
Raymond Knopp committed
604
      }
605

606
    }
607

Raymond Knopp's avatar
 
Raymond Knopp committed
608
    //printf("doing forms\n");
Florian Kaltenberger's avatar
Florian Kaltenberger committed
609 610
    //usleep(100000); // 100 ms
    sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
611
  }
612

613
  //  printf("%s",stats_buffer);
614

615
# ifdef ENABLE_XFORMS_WRITE_STATS
616

617 618 619 620 621 622
  if (UE_flag==1) {
    if (UE_stats) {
      rewind (UE_stats);
      fwrite (stats_buffer, 1, len, UE_stats);
      fclose (UE_stats);
    }
623
  } else {
624 625 626 627 628 629
    if (eNB_stats) {
      rewind (eNB_stats);
      fwrite (stats_buffer, 1, len, eNB_stats);
      fclose (eNB_stats);
    }
  }
630

631
# endif
632

Raymond Knopp's avatar
 
Raymond Knopp committed
633
  pthread_exit((void*)arg);
634 635 636 637 638 639
}
#endif

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

jiangx's avatar
jiangx committed
640 641 642 643 644 645 646 647
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;

648
  sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
jiangx's avatar
jiangx committed
649
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
650

jiangx's avatar
jiangx committed
651 652 653
  printf("GPS thread has priority %d\n",sched_param.sched_priority);

  memset(&dummy_gps_data,0,sizeof(struct gps_fix_t));
654

jiangx's avatar
jiangx committed
655 656
#if GPSD_API_MAJOR_VERSION>=5
  ret = gps_open("127.0.0.1","2947",gps_data_ptr);
657

jiangx's avatar
jiangx committed
658 659 660
  if (ret!=0)
#else
  gps_data_ptr = gps_open("127.0.0.1","2947");
661 662

  if (gps_data_ptr == NULL)
jiangx's avatar
jiangx committed
663
#endif
664 665 666 667 668
  {
    printf("[EMOS] Could not open GPS\n");
    pthread_exit((void*)arg);
  }

jiangx's avatar
jiangx committed
669 670 671 672 673
#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
674 675 676 677
  {
    printf("[EMOS] Error sending command to GPS\n");
    pthread_exit((void*) arg);
  } else
jiangx's avatar
jiangx committed
678 679
    printf("[EMOS] Opened GPS, gps_data=%p\n", gps_data_ptr);

680 681 682

  while (!oai_exit) {
    printf("[EMOS] polling data from gps\n");
jiangx's avatar
jiangx committed
683
#if GPSD_API_MAJOR_VERSION>=5
684 685 686

    if (gps_waiting(gps_data_ptr,500)) {
      if (gps_read(gps_data_ptr) <= 0) {
jiangx's avatar
jiangx committed
687
#else
688 689 690 691 692 693 694 695

    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
696
      }
697 698 699 700 701 702 703 704
    } //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
705 706 707 708 709

  pthread_exit((void*) arg);

}

710 711 712 713 714 715 716 717 718 719 720
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;
721

jiangx's avatar
jiangx committed
722
  int channel_buffer_size,ret;
723

724 725 726
  time_t timer;
  struct tm *now;

727
  struct sched_param sched_param;
728 729

  sched_param.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;
730
  sched_setscheduler(0, SCHED_FIFO,&sched_param);
731

732
  printf("EMOS thread has priority %d\n",sched_param.sched_priority);
733

734 735 736 737 738 739 740 741 742 743 744 745
  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;

746 747 748 749
  if (fifo2file_buffer == NULL) {
    printf("[EMOS] Cound not allocate memory for fifo2file_buffer\n");
    exit(EXIT_FAILURE);
  }
750

751 752 753 754
  if ((fifo = open(CHANSOUNDER_FIFO_DEV, O_RDONLY)) < 0) {
    fprintf(stderr, "[EMOS] Error opening the fifo\n");
    exit(EXIT_FAILURE);
  }
755 756 757 758 759


  time(&starttime_tmp);
  localtime_r(&starttime_tmp,&starttime);
  snprintf(dumpfile_name,1024,"/tmp/%s_data_%d%02d%02d_%02d%02d%02d.EMOS",
760 761
           (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);
762 763

  dumpfile_id = fopen(dumpfile_name,"w");
764 765 766 767 768

  if (dumpfile_id == NULL) {
    fprintf(stderr, "[EMOS] Error opening dumpfile %s\n",dumpfile_name);
    exit(EXIT_FAILURE);
  }
769 770


jiangx's avatar
jiangx committed
771
  printf("[EMOS] starting dump, channel_buffer_size=%d, fifo %d\n",channel_buffer_size,fifo);
772

773 774 775 776 777 778 779
  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);
780

781 782 783 784
    if (bytes<=0) {
      usleep(100);
      continue;
    }
785

786 787 788
    if (bytes != channel_buffer_size) {
      printf("[EMOS] ERROR! Only got %d bytes instead of %d!\n",bytes,channel_buffer_size);
    }
789

790 791 792 793 794 795
    /*
    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);
    */
796

797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817
    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
818

819 820 821 822
      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);
      }
823
    }
824 825
  }

826 827 828
  free(fifo2file_buffer);
  fclose(dumpfile_id);
  close(fifo);
829

830 831 832 833 834
  pthread_exit((void*) arg);

}
#endif

835 836


837
#if defined(ENABLE_ITTI)
838 839 840 841 842
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[] = {".    ", "..   ", "...  ", ".... ", ".....",
843 844
                                " ....", "  ...", "   ..", "    .", "     "
                               };
845 846 847 848
    int i = 0;

    while ((!oai_exit) && (*start_flag == 0)) {
      LOG_N(EMU, message, indicator[i]);
849
      fflush(stdout);
850 851 852
      i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
      usleep(200000);
    }
853

854 855 856 857 858
    LOG_D(EMU,"\n");
  }
}
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
859
#if defined(ENABLE_ITTI)
860
void *l2l1_task(void *arg)
861
{
Raymond Knopp's avatar
 
Raymond Knopp committed
862 863 864 865 866
  MessageDef *message_p = NULL;
  int         result;

  itti_set_task_real_time(TASK_L2L1);
  itti_mark_task_ready(TASK_L2L1);
867

Raymond Knopp's avatar
 
Raymond Knopp committed
868 869
  if (UE_flag == 0) {
    /* Wait for the initialize message */
870
    printf("Wait for the ITTI initialize message\n");
871
    do {
Raymond Knopp's avatar
 
Raymond Knopp committed
872
      if (message_p != NULL) {
873 874
        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
875
      }
876

877 878 879
      itti_receive_msg (TASK_L2L1, &message_p);

      switch (ITTI_MSG_ID(message_p)) {
Raymond Knopp's avatar
 
Raymond Knopp committed
880
      case INITIALIZE_MESSAGE:
881 882 883 884
        /* 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
885 886

      case TERMINATE_MESSAGE:
887 888 889 890
        printf("received terminate message\n");
        oai_exit=1;
        itti_exit_task ();
        break;
Raymond Knopp's avatar
 
Raymond Knopp committed
891 892

      default:
893 894
        LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
        break;
895
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
896
    } while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
897

Raymond Knopp's avatar
 
Raymond Knopp committed
898 899 900 901 902 903 904 905 906 907 908 909 910 911 912 913 914 915 916 917 918
    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;
919

Raymond Knopp's avatar
 
Raymond Knopp committed
920 921 922 923 924 925 926 927 928 929 930
    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);
931
  } while(!oai_exit);
932

Raymond Knopp's avatar
 
Raymond Knopp committed
933
  return NULL;
934 935 936
}
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
937

938 939
void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
940 941

  unsigned int aa,slot_offset, slot_offset_F;
942
  int dummy_tx_b[7680*4] __attribute__((aligned(32)));
Raymond Knopp's avatar
 
Raymond Knopp committed
943
  int i, tx_offset;
Raymond Knopp's avatar
 
Raymond Knopp committed
944
  int slot_sizeF = (phy_vars_eNB->lte_frame_parms.ofdm_symbol_size)*
945
                   ((phy_vars_eNB->lte_frame_parms.Ncp==1) ? 6 : 7);
946
  int len;
Raymond Knopp's avatar
 
Raymond Knopp committed
947 948

  slot_offset_F = (subframe<<1)*slot_sizeF;
949

Raymond Knopp's avatar
 
Raymond Knopp committed
950 951
  slot_offset = subframe*phy_vars_eNB->lte_frame_parms.samples_per_tti;

Raymond Knopp's avatar
 
Raymond Knopp committed
952 953
  if ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_DL)||
      ((subframe_select(&phy_vars_eNB->lte_frame_parms,subframe)==SF_S))) {
954 955
    //    LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot);

Raymond Knopp's avatar
 
Raymond Knopp committed
956

Raymond Knopp's avatar
 
Raymond Knopp committed
957
    for (aa=0; aa<phy_vars_eNB->lte_frame_parms.nb_antennas_tx; aa++) {
958 959 960
      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,
961
                     phy_vars_eNB->lte_frame_parms.ofdm_symbol_size,
962 963 964 965 966
                     6,
                     phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
                     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),
967
                     phy_vars_eNB->lte_frame_parms.ofdm_symbol_size,
968 969 970 971 972 973 974 975
                     6,
                     phy_vars_eNB->lte_frame_parms.nb_prefix_samples,
                     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));
976 977 978 979 980 981
	// if S-subframe generate first slot only
	if (subframe_select(&phy_vars_eNB->lte_frame_parms,subframe) == SF_DL)
	  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
982
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
983

984 985 986 987 988
      // if S-subframe generate first slot only
      if (subframe_select(&phy_vars_eNB->lte_frame_parms,subframe) == SF_S)
	len = phy_vars_eNB->lte_frame_parms.samples_per_tti>>1;
      else
	len = phy_vars_eNB->lte_frame_parms.samples_per_tti;
kaltenbe's avatar
kaltenbe committed
989
      /*
990 991 992 993 994
      for (i=0;i<len;i+=4) {
	dummy_tx_b[i] = 0x100;
	dummy_tx_b[i+1] = 0x01000000;
	dummy_tx_b[i+2] = 0xff00;
	dummy_tx_b[i+3] = 0xff000000;
kaltenbe's avatar
kaltenbe committed
995
	}*/
996
      for (i=0; i<len; i++) {
997 998
        tx_offset = (int)slot_offset+time_offset[aa]+i;

999
	
1000 1001 1002 1003 1004 1005
        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;

1006 1007 1008
	((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[0] = ((short*)dummy_tx_b)[2*i]<<openair0_cfg[0].iq_txshift;
	
	((short*)&phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset])[1] = ((short*)dummy_tx_b)[2*i+1]<<openair0_cfg[0].iq_txshift;
1009 1010 1011 1012 1013 1014 1015
     }
     // if S-subframe switch to RX in second subframe
     if (subframe_select(&phy_vars_eNB->lte_frame_parms,subframe) == SF_S) {
       for (i=0; i<len; i++) {
	 phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset++] = 0x00010001;
       }
     }
1016 1017 1018 1019 1020 1021 1022 1023 1024 1025 1026 1027 1028 1029 1030 1031 1032 1033 1034

     if ((((phy_vars_eNB->lte_frame_parms.tdd_config==0) ||
	  (phy_vars_eNB->lte_frame_parms.tdd_config==1) ||
	  (phy_vars_eNB->lte_frame_parms.tdd_config==2) ||
	  (phy_vars_eNB->lte_frame_parms.tdd_config==6)) && 
	  (subframe==0)) || (subframe==5)) {
       // turn on tx switch N_TA_offset before
       //LOG_D(HW,"subframe %d, time to switch to tx (N_TA_offset %d, slot_offset %d) \n",subframe,phy_vars_eNB->N_TA_offset,slot_offset);
       for (i=0; i<phy_vars_eNB->N_TA_offset; i++) {
	 tx_offset = (int)slot_offset+time_offset[aa]+i-phy_vars_eNB->N_TA_offset/2;
	 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;
	 
	 phy_vars_eNB->lte_eNB_common_vars.txdata[0][aa][tx_offset] = 0x00000000;
       }
     }
Raymond Knopp's avatar
 
Raymond Knopp committed
1035 1036 1037 1038
    }
  }
}

1039 1040 1041 1042 1043 1044 1045 1046 1047
/* mutex, cond and variable to serialize phy proc TX calls
 * (this mechanism may be relaxed in the future for better
 * performances)
 */
static struct {
  pthread_mutex_t  mutex_phy_proc_tx;
  pthread_cond_t   cond_phy_proc_tx;
  volatile uint8_t phy_proc_CC_id;
} sync_phy_proc[NUM_ENB_THREADS];
Raymond Knopp's avatar
 
Raymond Knopp committed
1048

1049 1050 1051 1052 1053 1054 1055 1056 1057
/*!
 * \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
1058 1059

  eNB_proc_t *proc = (eNB_proc_t*)param;
Cedric Roux's avatar
Cedric Roux committed
1060
  FILE  *tx_time_file = NULL;
1061
  char tx_time_name[101];
kaltenbe's avatar
kaltenbe committed
1062

1063 1064 1065 1066
  if (opp_enabled == 1) {
    snprintf(tx_time_name, 100,"/tmp/%s_tx_time_thread_sf_%d", "eNB", proc->subframe);
    tx_time_file = fopen(tx_time_name,"w");
  }
1067 1068 1069
  // set default return value
  eNB_thread_tx_status[proc->subframe] = 0;

1070 1071
  MSC_START_USE();

Raymond Knopp's avatar
 
Raymond Knopp committed
1072 1073
#ifdef RTAI
  RT_TASK *task;
1074
  char task_name[8];
Raymond Knopp's avatar
 
Raymond Knopp committed
1075

1076
  sprintf(task_name,"TXC%dS%d",proc->CC_id,proc->subframe);
Raymond Knopp's avatar
 
Raymond Knopp committed
1077 1078
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

1079 1080 1081
  if (task == NULL) {
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_TX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
    return 0;
1082 1083 1084 1085 1086
  } else {
    LOG_I(PHY,"[SCHED][eNB] eNB TX thread CC %d SF %d started with id %p\n",
          proc->CC_id,
          proc->subframe,
          task);
1087
  }
1088

Raymond Knopp's avatar
 
Raymond Knopp committed
1089
#else
1090
#ifdef LOWLATENCY
1091 1092
  struct sched_attr attr;
  unsigned int flags = 0;
1093 1094
  uint64_t runtime  = 850000 ;  
  uint64_t deadline = 1   *  1000000 ; // each tx thread will finish within 1ms
navid's avatar
navid committed
1095
  uint64_t period   = 1   * 10000000; // each tx thread has a period of 10ms from the starting point
1096

1097 1098 1099 1100
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
1101

navid's avatar
navid committed
1102 1103 1104 1105
  attr.sched_policy   = SCHED_DEADLINE;
  attr.sched_runtime  = runtime;
  attr.sched_deadline = deadline;
  attr.sched_period   = period; 
1106

1107 1108 1109 1110
  if (sched_setattr(0, &attr, flags) < 0 ) {
    perror("[SCHED] eNB tx thread: sched_setattr failed\n");
    return &eNB_thread_tx_status[proc->subframe];
  }
1111

navid's avatar
navid committed
1112
  LOG_I( HW, "[SCHED] eNB TX deadline thread %d(TID %ld) started on CPU %d\n", proc->subframe, gettid(), sched_getcpu() );
1113
#else
1114 1115 1116 1117 1118 1119 1120
  int policy, s, j;
  struct sched_param sparam;
  char cpu_affinity[1024];
  cpu_set_t cpuset;

  /* Set affinity mask to include CPUs 1 to MAX_CPUS */
  /* CPU 0 is reserved for UHD threads */
1121
  /* CPU 1 is reserved for all TX threads */
1122
  /* Enable CPU Affinity only if number of CPUs >2 */
1123
  CPU_ZERO(&cpuset);
1124 1125

  #ifdef CPU_AFFINITY
1126
  if (get_nprocs() > 2)
1127
  {
1128 1129
    for (j = 1; j < get_nprocs(); j++)
        CPU_SET(j, &cpuset);
1130 1131 1132 1133 1134 1135
    s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
    if (s != 0)
    {
      perror( "pthread_setaffinity_np");
      exit_fun("Error setting processor affinity");
    }
1136
  }
1137
  #endif
1138

1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 1159 1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 1176 1177 1178 1179 1180 1181
  /* Check the actual affinity mask assigned to the thread */

  s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
  if (s != 0)
  {
    perror( "pthread_getaffinity_np");
    exit_fun("Error getting processor affinity ");
  }
  memset(cpu_affinity,0,sizeof(cpu_affinity));
  for (j = 0; j < CPU_SETSIZE; j++)
     if (CPU_ISSET(j, &cpuset))
     {  
        char temp[1024];
        sprintf (temp, " CPU_%d", j);
        strcat(cpu_affinity, temp);
     }

  memset(&sparam, 0 , sizeof (sparam));
  sparam.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;
  policy = SCHED_FIFO ; 
  
  s = pthread_setschedparam(pthread_self(), policy, &sparam);
  if (s != 0)
     {
     perror("pthread_setschedparam : ");
     exit_fun("Error setting thread priority");
     }
  s = pthread_getschedparam(pthread_self(), &policy, &sparam);
  if (s != 0)
   {
     perror("pthread_getschedparam : ");
     exit_fun("Error getting thread priority");

   }

 LOG_I( HW, "[SCHED][eNB] TX thread %d started on CPU %d TID %ld, sched_policy = %s , priority = %d, CPU Affinity=%s \n", proc->subframe, sched_getcpu(),gettid(),
                   (policy == SCHED_FIFO)  ? "SCHED_FIFO" :
                   (policy == SCHED_RR)    ? "SCHED_RR" :
                   (policy == SCHED_OTHER) ? "SCHED_OTHER" :
                   "???",
                   sparam.sched_priority, cpu_affinity );


1182 1183
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
1184 1185 1186 1187 1188 1189 1190 1191
#endif

  mlockall(MCL_CURRENT | MCL_FUTURE);

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

1192
  while (!oai_exit) {
1193

1194
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_TX0+(2*proc->subframe), 0 );
1195

1196
    if (pthread_mutex_lock(&proc->mutex_tx) != 0) {
1197
      LOG_E( PHY, "[SCHED][eNB] error locking mutex for eNB TX proc %d\n", proc->subframe );
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1198
      exit_fun("nothing to add");
1199
      break;
1200
    }
1201

1202
    while (proc->instance_cnt_tx < 0) {
1203 1204 1205
      // 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
1206
    }
1207

1208 1209 1210 1211 1212
    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
1213

1214 1215
    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 );
1216 1217 1218
    start_meas( &softmodem_stats_tx_sf[proc->subframe] );

    if (oai_exit) break;
1219

1220 1221 1222 1223 1224 1225 1226 1227 1228 1229 1230 1231
    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) ||
          (subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_tx) == SF_S))) ||
        (PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == FDD)) {
      /* run PHY TX procedures the one after the other for all CCs to avoid race conditions
       * (may be relaxed in the future for performance reasons)
       */
      if (pthread_mutex_lock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
        LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
        exit_fun("nothing to add");
        break;
      }
1232 1233
      /* wait for our turn or oai_exit */
      while (sync_phy_proc[proc->subframe].phy_proc_CC_id != proc->CC_id && !oai_exit) {
1234 1235 1236
        pthread_cond_wait(&sync_phy_proc[proc->subframe].cond_phy_proc_tx,
                          &sync_phy_proc[proc->subframe].mutex_phy_proc_tx);
      }
ghaddab's avatar
ghaddab committed
1237

1238 1239 1240
      if (pthread_mutex_unlock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
        LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
        exit_fun("nothing to add");
1241 1242
      }

1243 1244 1245
      if (oai_exit)
        break;

1246
      phy_procedures_eNB_TX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay, NULL );
1247

1248
      /* we're done, let the next one proceed */
1249 1250 1251 1252 1253
      if (pthread_mutex_lock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
        LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
        exit_fun("nothing to add");
        break;
      }
1254 1255 1256 1257
      sync_phy_proc[proc->subframe].phy_proc_CC_id++;
      sync_phy_proc[proc->subframe].phy_proc_CC_id %= MAX_NUM_CCs;
      pthread_cond_broadcast(&sync_phy_proc[proc->subframe].cond_phy_proc_tx);
      if (pthread_mutex_unlock(&sync_phy_proc[proc->subframe].mutex_phy_proc_tx) != 0) {
1258
        LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc %d\n", proc->subframe);
1259 1260 1261
        exit_fun("nothing to add");
        break;
      }
1262
    }
1263

1264
    do_OFDM_mod_rt( proc->subframe_tx, PHY_vars_eNB_g[0][proc->CC_id] );
kaltenbe's avatar
kaltenbe committed
1265 1266 1267
    /*
    short *txdata = (short*)&PHY_vars_eNB_g[0][proc->CC_id]->lte_eNB_common_vars.txdata[0][0][proc->subframe_tx*PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.samples_per_tti];
    int i;
1268
    for (i=0;i<PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.samples_per_tti*2;i+=8) {
kaltenbe's avatar
kaltenbe committed
1269 1270 1271 1272 1273 1274 1275 1276 1277 1278
      txdata[i] = 2047;
      txdata[i+1] = 0;
      txdata[i+2] = 0;
      txdata[i+3] = 2047;
      txdata[i+4] = -2047;
      txdata[i+5] = 0;
      txdata[i+6] = 0;
      txdata[i+7] = -2047;
    }
    */
1279 1280 1281 1282 1283
    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
1284

1285 1286 1287 1288 1289 1290 1291 1292 1293
    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++;
1294

1295 1296
    if (proc->frame_tx==1024)
      proc->frame_tx=0;
1297
    stop_meas( &softmodem_stats_tx_sf[proc->subframe] );
1298 1299 1300 1301 1302 1303 1304
#ifdef LOWLATENCY
    if (opp_enabled){
      if(softmodem_stats_tx_sf[proc->subframe].diff_now/(cpuf) > attr.sched_runtime){
	VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RUNTIME_TX_ENB, (softmodem_stats_tx_sf[proc->subframe].diff_now/cpuf - attr.sched_runtime)/1000000.0);
      }
    }
#endif 
1305 1306
    print_meas_now(&softmodem_stats_tx_sf[proc->subframe],"eNB_TX_SF",proc->subframe, tx_time_file);

1307 1308
  }

1309 1310


1311
  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
1312

Raymond Knopp's avatar
 
Raymond Knopp committed
1313 1314 1315
#ifdef HARD_RT
  rt_make_soft_real_time();
#endif
1316

Raymond Knopp's avatar
 
Raymond Knopp committed
1317
#ifdef DEBUG_THREADS
1318
  printf( "Exiting eNB thread TX %d\n", proc->subframe );
Raymond Knopp's avatar
 
Raymond Knopp committed
1319 1320 1321 1322 1323
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
#endif
1324

1325 1326
  eNB_thread_tx_status[proc->subframe] = 0;
  return &eNB_thread_tx_status[proc->subframe];
Raymond Knopp's avatar
 
Raymond Knopp committed
1327 1328 1329
}


1330 1331 1332 1333 1334 1335 1336 1337 1338 1339
/*!
 * \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
1340
  eNB_proc_t *proc = (eNB_proc_t*)param;
1341

Cedric Roux's avatar
Cedric Roux committed
1342
  FILE  *rx_time_file = NULL;
1343
  char rx_time_name[101];
1344
  //int i;
Raymond Knopp's avatar
 
Raymond Knopp committed
1345

1346 1347 1348 1349
  if (opp_enabled == 1){
    snprintf(rx_time_name, 100,"/tmp/%s_rx_time_thread_sf_%d", "eNB", proc->subframe);
    rx_time_file = fopen(rx_time_name,"w");
  }
1350 1351 1352
  // set default return value
  eNB_thread_rx_status[proc->subframe] = 0;

1353 1354
  MSC_START_USE();

Raymond Knopp's avatar
 
Raymond Knopp committed
1355 1356
#ifdef RTAI
  RT_TASK *task;
1357
  char task_name[8];
Raymond Knopp's avatar
 
Raymond Knopp committed
1358

1359
  sprintf(task_name,"RXC%1dS%1d",proc->CC_id,proc->subframe);
Raymond Knopp's avatar
 
Raymond Knopp committed
1360 1361 1362
  task = rt_task_init_schmod(nam2num(task_name), 0, 0, 0, SCHED_FIFO, 0xF);

  if (task==NULL) {
1363 1364
    LOG_E(PHY,"[SCHED][eNB] Problem starting eNB_proc_RX thread_index %d (%s)!!!!\n",proc->subframe,task_name);
    return 0;
1365
  } else {
1366
    LOG_I(PHY,"[SCHED][eNB] eNB RX thread CC_id %d SF %d started with id %p\n", /*  on CPU %d*/
1367 1368 1369
          proc->CC_id,
          proc->subframe,
          task); /*,rtai_cpuid()*/
Raymond Knopp's avatar
 
Raymond Knopp committed
1370
  }
1371

Raymond Knopp's avatar
 
Raymond Knopp committed
1372
#else
1373
#ifdef LOWLATENCY
1374 1375
  struct sched_attr attr;
  unsigned int flags = 0;
1376
  uint64_t runtime  = 870000 ;
navid's avatar
navid committed
1377 1378
  uint64_t deadline = 1   *  1000000;
  uint64_t period   = 1   * 10000000; // each rx thread has a period of 10ms from the starting point
1379
 
1380 1381 1382 1383
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
1384

1385
  attr.sched_policy = SCHED_DEADLINE;
navid's avatar
navid committed
1386 1387 1388
  attr.sched_runtime  = runtime;
  attr.sched_deadline = deadline;
  attr.sched_period   = period; 
1389 1390

  if (sched_setattr(0, &attr, flags) < 0 ) {
1391
    perror("[SCHED] eNB RX sched_setattr failed\n");
1392
    return &eNB_thread_rx_status[proc->subframe];
1393
  }
1394

1395
  LOG_I( HW, "[SCHED] eNB RX deadline thread %d(TID %ld) started on CPU %d\n", proc->subframe, gettid(), sched_getcpu() );
1396
#else
1397 1398 1399 1400 1401 1402 1403
    int policy, s, j;
  struct sched_param sparam;
  char cpu_affinity[1024];
  cpu_set_t cpuset;

  /* Set affinity mask to include CPUs 1 to MAX_CPUS */
  /* CPU 0 is reserved for UHD */
1404 1405
  /* CPU 1 is reserved for all TX threads */
  /* CPU 2..MAX_CPUS is reserved for all RX threads */
1406
  /* Set CPU Affinity only if number of CPUs >2 */
1407
  CPU_ZERO(&cpuset);
1408
  #ifdef CPU_AFFINITY
1409
  if (get_nprocs() >2)
1410
  {
1411
    for (j = 1; j < get_nprocs(); j++)
1412 1413 1414 1415 1416 1417 1418 1419
       CPU_SET(j, &cpuset);
  
    s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
    if (s != 0)
    {
      perror( "pthread_setaffinity_np");  
      exit_fun (" Error setting processor affinity :");
    }
1420
  }
1421
  #endif
1422 1423 1424 1425 1426 1427 1428 1429 1430 1431 1432 1433 1434 1435 1436 1437 1438 1439 1440 1441 1442 1443 1444 1445 1446 1447 1448 1449 1450 1451 1452 1453 1454 1455 1456 1457 1458 1459 1460 1461 1462 1463 1464 1465 1466 1467 1468 1469
  /* Check the actual affinity mask assigned to the thread */

  s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
  if (s != 0)
  {
     perror ("pthread_getaffinity_np");
     exit_fun (" Error getting processor affinity :");
  }
  memset(cpu_affinity,0, sizeof(cpu_affinity));

  for (j = 0; j < CPU_SETSIZE; j++)
     if (CPU_ISSET(j, &cpuset))
     {  
        char temp[1024];
        sprintf (temp, " CPU_%d", j);
        strcat(cpu_affinity, temp);
     }


  memset(&sparam, 0 , sizeof (sparam)); 
  sparam.sched_priority = sched_get_priority_max(SCHED_FIFO)-1;

  policy = SCHED_FIFO ; 
  s = pthread_setschedparam(pthread_self(), policy, &sparam);
  if (s != 0)
     {
     perror("pthread_setschedparam : ");
     exit_fun("Error setting thread priority");
     }

  memset(&sparam, 0 , sizeof (sparam));

  s = pthread_getschedparam(pthread_self(), &policy, &sparam);
  if (s != 0)
   {
     perror("pthread_getschedparam");
     exit_fun("Error getting thread priority");
   }


LOG_I( HW, "[SCHED][eNB] RX thread %d started on CPU %d TID %ld, sched_policy = %s, priority = %d, CPU Affinity = %s\n", proc->subframe, sched_getcpu(),gettid(),
       (policy == SCHED_FIFO)  ? "SCHED_FIFO" :
       (policy == SCHED_RR)    ? "SCHED_RR" :
       (policy == SCHED_OTHER) ? "SCHED_OTHER" :
        "???",
        sparam.sched_priority, cpu_affinity);


Raymond Knopp's avatar
 
Raymond Knopp committed
1470
#endif
1471
#endif // RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
1472 1473 1474 1475 1476 1477 1478

  mlockall(MCL_CURRENT | MCL_FUTURE);

#ifdef HARD_RT
  rt_make_hard_real_time();
#endif

1479
  while (!oai_exit) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1480

1481
    VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe), 0 );
1482

Raymond Knopp's avatar
 
Raymond Knopp committed
1483
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
1484 1485 1486
      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
1487 1488
    }

1489
    while (proc->instance_cnt_rx < 0) {
1490 1491 1492
      // 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
1493
    }
1494 1495 1496 1497 1498 1499 1500

    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;
    }

1501 1502
    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 );
1503
    start_meas( &softmodem_stats_rx_sf[proc->subframe] );
1504

Raymond Knopp's avatar
 
Raymond Knopp committed
1505
    if (oai_exit) break;
1506

Raymond Knopp's avatar
 
Raymond Knopp committed
1507
    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)) ||
1508
         (PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms.frame_type == FDD))) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1509

1510
      phy_procedures_eNB_RX( proc->subframe, PHY_vars_eNB_g[0][proc->CC_id], 0, no_relay );
Raymond Knopp's avatar
 
Raymond Knopp committed
1511
    }
1512 1513

    if ((subframe_select(&PHY_vars_eNB_g[0][proc->CC_id]->lte_frame_parms,proc->subframe_rx) == SF_S)) {
1514
      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
1515
    }
1516

Raymond Knopp's avatar
 
Raymond Knopp committed
1517
    if (pthread_mutex_lock(&proc->mutex_rx) != 0) {
1518 1519 1520
      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
1521
    }
1522 1523 1524 1525 1526 1527 1528

    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
1529
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1530 1531

    proc->frame_rx++;
1532

Raymond Knopp's avatar
 
Raymond Knopp committed
1533 1534
    if (proc->frame_rx==1024)
      proc->frame_rx=0;
1535

1536
    stop_meas( &softmodem_stats_rx_sf[proc->subframe] );
1537 1538 1539 1540 1541 1542 1543
#ifdef LOWLATENCY
    if (opp_enabled){
      if(softmodem_stats_rx_sf[proc->subframe].diff_now/(cpuf) > attr.sched_runtime){
	VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_RUNTIME_RX_ENB, (softmodem_stats_rx_sf[proc->subframe].diff_now/cpuf - attr.sched_runtime)/1000000.0);
      }
    }
#endif  
1544
    print_meas_now(&softmodem_stats_rx_sf[proc->subframe],"eNB_RX_SF",proc->subframe, rx_time_file);
Raymond Knopp's avatar
 
Raymond Knopp committed
1545
  }
1546

1547
  //stop_meas( &softmodem_stats_rx_sf[proc->subframe] );
1548
  VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RX0+(2*proc->subframe), 0 );
1549

Raymond Knopp's avatar
 
Raymond Knopp committed
1550
#ifdef HARD_RT
Raymond Knopp's avatar
 
Raymond Knopp committed
1551 1552 1553 1554
  rt_make_soft_real_time();
#endif

#ifdef DEBUG_THREADS
1555
  printf( "Exiting eNB thread RX %d\n", proc->subframe );
Raymond Knopp's avatar
 
Raymond Knopp committed
1556 1557 1558 1559
#endif
  // clean task
#ifdef RTAI
  rt_task_delete(task);
Raymond Knopp's avatar
 
Raymond Knopp committed
1560 1561
#endif

1562 1563
  eNB_thread_rx_status[proc->subframe] = 0;
  return &eNB_thread_rx_status[proc->subframe];
Raymond Knopp's avatar
 
Raymond Knopp committed
1564 1565 1566 1567
}



Raymond Knopp's avatar
 
Raymond Knopp committed
1568

1569 1570
void init_eNB_proc(void)
{
Raymond Knopp's avatar
 
Raymond Knopp committed
1571
  int i;
Raymond Knopp's avatar
 
Raymond Knopp committed
1572 1573
  int CC_id;

1574 1575 1576
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
    for (i=0; i<NUM_ENB_THREADS; i++) {
      // set the stack size
navid's avatar
navid committed
1577
     
1578

navid's avatar
navid committed
1579 1580 1581 1582 1583 1584
#ifndef LOWLATENCY 
      /*  
       pthread_attr_init( &attr_eNB_proc_tx[CC_id][i] );
       if (pthread_attr_setstacksize( &attr_eNB_proc_tx[CC_id][i], 64 *PTHREAD_STACK_MIN ) != 0)
        perror("[ENB_PROC_TX] setting thread stack size failed\n");
      
1585
      pthread_attr_init( &attr_eNB_proc_rx[CC_id][i] );
navid's avatar
navid committed
1586
      if (pthread_attr_setstacksize( &attr_eNB_proc_rx[CC_id][i], 64 * PTHREAD_STACK_MIN ) != 0)
1587
        perror("[ENB_PROC_RX] setting thread stack size failed\n");
1588
      */
1589
      // set the kernel scheduling policy and priority
Raymond Knopp's avatar
 
Raymond Knopp committed
1590 1591 1592 1593 1594 1595
      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);
1596
      printf("Setting OS scheduler to SCHED_FIFO for eNB [cc%d][thread%d] \n",CC_id, i);
1597
#endif
1598 1599 1600
      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
1601
      PHY_vars_eNB_g[0][CC_id]->proc[i].CC_id = CC_id;
1602 1603 1604 1605
      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);
1606 1607 1608 1609
#ifndef LOWLATENCY
      pthread_create( &PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_tx, &attr_eNB_proc_tx[CC_id][i], 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, &attr_eNB_proc_rx[CC_id][i], eNB_thread_rx, &PHY_vars_eNB_g[0][CC_id]->proc[i] );
#else 
1610 1611
      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] );
1612
#endif
1613 1614 1615 1616 1617
      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
1618 1619
      PHY_vars_eNB_g[0][CC_id]->proc[i].frame_tx = 0;
      PHY_vars_eNB_g[0][CC_id]->proc[i].frame_rx = 0;
1620
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
1621 1622
      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
1623
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
1624 1625
      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
1626
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1627
    }
1628 1629


1630
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
1631 1632
    // 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
1633

Raymond Knopp's avatar
 
Raymond Knopp committed
1634
    //PHY_vars_eNB_g[0][CC_id]->proc[0].frame_rx = 1023;
Raymond Knopp's avatar
 
Raymond Knopp committed
1635 1636
    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
1637
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
1638 1639
    // 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
1640
    //    PHY_vars_eNB_g[0][CC_id]->proc[7].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1641 1642
    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
1643
    //    PHY_vars_eNB_g[0][CC_id]->proc[0].frame_tx = 1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1644
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
1645
  }
1646 1647 1648 1649 1650 1651 1652

  /* setup PHY proc TX sync mechanism */
  for (i=0; i<NUM_ENB_THREADS; i++) {
    pthread_mutex_init(&sync_phy_proc[i].mutex_phy_proc_tx, NULL);
    pthread_cond_init(&sync_phy_proc[i].cond_phy_proc_tx, NULL);
    sync_phy_proc[i].phy_proc_CC_id = 0;
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
1653
}
Raymond Knopp's avatar
 
Raymond Knopp committed
1654

1655 1656 1657 1658 1659 1660
/*!
 * \brief Terminate eNB TX and RX threads.
 */
void kill_eNB_proc(void)
{
  int *status;
Raymond Knopp's avatar
 
Raymond Knopp committed
1661

1662 1663
  for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++)
    for (int i=0; i<NUM_ENB_THREADS; i++) {
1664

Raymond Knopp's avatar
 
Raymond Knopp committed
1665
#ifdef DEBUG_THREADS
1666
      printf( "Killing TX CC_id %d thread %d\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1667
#endif
1668 1669 1670

      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 );
1671
      pthread_cond_broadcast(&sync_phy_proc[i].cond_phy_proc_tx);
1672

Raymond Knopp's avatar
 
Raymond Knopp committed
1673
#ifdef DEBUG_THREADS
1674
      printf( "Joining eNB TX CC_id %d thread %d...\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1675
#endif
1676
      int result = pthread_join( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_tx, (void**)&status );
1677

Raymond Knopp's avatar
 
Raymond Knopp committed
1678
#ifdef DEBUG_THREADS
1679

1680 1681 1682 1683 1684 1685 1686 1687 1688
      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" );
        }
      }
1689

1690 1691
#else
      UNUSED(result)
Raymond Knopp's avatar
 
Raymond Knopp committed
1692
#endif
1693

Raymond Knopp's avatar
 
Raymond Knopp committed
1694
#ifdef DEBUG_THREADS
1695
      printf( "Killing RX CC_id %d thread %d\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1696
#endif
1697 1698 1699 1700

      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
1701
#ifdef DEBUG_THREADS
1702
      printf( "Joining eNB RX CC_id %d thread %d...\n", CC_id, i );
Raymond Knopp's avatar
 
Raymond Knopp committed
1703
#endif
1704 1705
      result = pthread_join( PHY_vars_eNB_g[0][CC_id]->proc[i].pthread_rx, (void**)&status );

1706 1707
#ifdef DEBUG_THREADS

1708 1709 1710 1711 1712 1713 1714 1715 1716
      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" );
        }
      }
1717

1718 1719
#else
      UNUSED(result)
Raymond Knopp's avatar
 
Raymond Knopp committed
1720
#endif
1721 1722 1723 1724 1725

      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
1726
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
1727 1728 1729
}


Raymond Knopp's avatar
 
Raymond Knopp committed
1730 1731


1732

Raymond Knopp's avatar
 
Raymond Knopp committed
1733

1734 1735 1736 1737 1738 1739
/*!
 * \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 )
1740
{
1741 1742
  UNUSED(arg);
  static int eNB_thread_status;
1743

1744
  unsigned char slot;
1745
#ifdef EXMIMO
1746
  slot=0;
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
1747
  RTIME time_in;
Raymond Knopp's avatar
 
Raymond Knopp committed
1748
  volatile unsigned int *DAQ_MBOX = openair0_daq_cnt();
Raymond Knopp's avatar
 
Raymond Knopp committed
1749 1750
  int mbox_target=0,mbox_current=0;
  int hw_slot,delay_cnt;
Raymond Knopp's avatar
 
Raymond Knopp committed
1751 1752
  int diff;
  int ret;
1753
  int first_run=1;
Raymond Knopp's avatar
 
Raymond Knopp committed
1754
#else
1755 1756 1757
  // the USRP implementation operates on subframes, not slots
  // one subframe consists of one even and one odd slot
  slot = 1;
1758
  int spp;
1759
  int tx_launched = 0;
1760
  int card=0;
1761 1762 1763

  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
1764

1765
  int hw_subframe = 0; // 0..NUM_ENB_THREADS-1 => 0..9
1766
  
1767
  unsigned int rx_pos = 0;
1768
  unsigned int tx_pos = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
1769
#endif
1770
  int CC_id=0;	
1771
  struct timespec trx_time0, trx_time1, trx_time2;
1772

Cedric Roux's avatar
Cedric Roux committed
1773 1774 1775 1776 1777
  /* avoid gcc warnings */
  (void)trx_time0;
  (void)trx_time1;
  (void)trx_time2;

1778
#ifdef RTAI
1779
  RT_TASK* task = rt_task_init_schmod(nam2num("eNBmain"), 0, 0, 0, SCHED_FIFO, 0xF);
1780
#else
1781
#ifdef LOWLATENCY
1782 1783 1784
  struct sched_attr attr;
  unsigned int flags = 0;

Raymond Knopp's avatar
 
Raymond Knopp committed
1785 1786 1787 1788
  attr.size = sizeof(attr);
  attr.sched_flags = 0;
  attr.sched_nice = 0;
  attr.sched_priority = 0;
1789

1790
  /* This creates a .2 ms  reservation */
Raymond Knopp's avatar
 
Raymond Knopp committed
1791
  attr.sched_policy = SCHED_DEADLINE;
navid's avatar
navid committed
1792
  attr.sched_runtime  = (0.3 * 100) * 10000;
1793 1794
  attr.sched_deadline = (0.9 * 100) * 10000;
  attr.sched_period   = 1 * 1000000;
1795

1796
  if (sched_setattr(0, &attr, flags) < 0 ) {
Raymond Knopp's avatar
 
Raymond Knopp committed
1797 1798 1799 1800
    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",
1801
          gettid(),sched_getcpu());
Raymond Knopp's avatar
 
Raymond Knopp committed
1802
  }
1803

1804 1805 1806 1807 1808 1809 1810 1811 1812 1813
#else

  int policy, s, j;
  struct sched_param sparam;
  char cpu_affinity[1024];
  cpu_set_t cpuset;

  /* Set affinity mask to include CPUs 1 to MAX_CPUS */
  /* CPU 0 is reserved for UHD threads */
  CPU_ZERO(&cpuset);
1814 1815 1816 1817
  #ifdef CPU_AFFINITY
  if (get_nprocs() >2)
  {
    for (j = 1; j < get_nprocs(); j++)
1818 1819
      CPU_SET(j, &cpuset);

1820 1821 1822 1823 1824 1825
    s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
    if (s != 0)
    {
      perror( "pthread_setaffinity_np");
      exit_fun("Error setting processor affinity");
    }
1826
  }
1827 1828
  #endif

1829 1830 1831 1832 1833 1834 1835 1836 1837 1838 1839 1840 1841 1842 1843 1844 1845 1846 1847 1848 1849 1850 1851 1852 1853 1854 1855 1856 1857 1858 1859 1860 1861 1862 1863 1864 1865 1866 1867 1868 1869 1870 1871 1872
  /* Check the actual affinity mask assigned to the thread */

  s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
  if (s != 0)
  {
    perror( "pthread_getaffinity_np");
    exit_fun("Error getting processor affinity ");
  }
  memset(cpu_affinity, 0 , sizeof(cpu_affinity));
  for (j = 0; j < CPU_SETSIZE; j++)
  if (CPU_ISSET(j, &cpuset))
  {  
     char temp[1024];
     sprintf(temp, " CPU_%d ", j);    
     strcat(cpu_affinity, temp);
  }

  memset(&sparam, 0 , sizeof (sparam));
  sparam.sched_priority = sched_get_priority_max(SCHED_FIFO);
  policy = SCHED_FIFO ; 
  
  s = pthread_setschedparam(pthread_self(), policy, &sparam);
  if (s != 0)
     {
     perror("pthread_setschedparam : ");
     exit_fun("Error setting thread priority");
     }
  s = pthread_getschedparam(pthread_self(), &policy, &sparam);
  if (s != 0)
   {
     perror("pthread_getschedparam : ");
     exit_fun("Error getting thread priority");

   }


  LOG_I( HW, "[SCHED][eNB] Started eNB main thread on CPU %d TID %ld , sched_policy = %s, priority = %d, CPU Affinity = %s \n", (int)sched_getcpu(), gettid(),
                   (policy == SCHED_FIFO)  ? "SCHED_FIFO" :
                   (policy == SCHED_RR)    ? "SCHED_RR" :
                   (policy == SCHED_OTHER) ? "SCHED_OTHER" :
                   "???",
                   (int) sparam.sched_priority, cpu_affinity);


1873
#endif
1874 1875
#endif

1876 1877 1878 1879 1880
  // stop early, if an exit is requested
  // FIXME really neccessary?
  if (oai_exit)
    goto eNB_thread_cleanup;

1881
#ifdef RTAI
1882
  LOG_I( HW, "[SCHED][eNB] Started eNB main thread (id %p)\n", task );
1883 1884 1885
#endif

#ifdef HARD_RT
1886
  rt_make_hard_real_time();
1887 1888
#endif

1889 1890 1891 1892 1893 1894 1895 1896
  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;
1897

1898 1899
  printf( "waiting for sync (eNB_thread)\n" );
  pthread_mutex_lock( &sync_mutex );
1900

1901 1902
  while (sync_var<0)
    pthread_cond_wait( &sync_cond, &sync_mutex );
1903

1904
  pthread_mutex_unlock(&sync_mutex);
1905

1906 1907
  printf( "got sync (eNB_thread)\n" );

1908
  int frame = 0;
1909

1910
#ifndef EXMIMO
1911 1912
  spp        = openair0_cfg[0].samples_per_packet;
  tx_pos     = openair0_cfg[0].tx_scheduling_advance;
1913
#endif
1914

1915 1916 1917 1918
#if defined(ENABLE_ITTI)
  wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
#endif 

1919 1920
  while (!oai_exit) {
    start_meas( &softmodem_stats_mt );
Raymond Knopp's avatar
 
Raymond Knopp committed
1921

1922
#ifdef EXMIMO
1923 1924
    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]);
1925 1926
    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);
1927 1928 1929 1930
    //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];
1931

1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942
    //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;
1943

1944
      if (diff<0)
1945
        diff = diff + 150;
1946

1947 1948 1949 1950
      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)))) {
1951

1952 1953 1954 1955
      // at the eNB, even slots have double as much time since most of the processing is done here and almost nothing in odd slots
      LOG_W(HW,"eNB Frame %d, time %llu: missed slot %d, proceeding with next one (slot %d, hw_slot %d, mbox_current %d, mbox_target %d, diff %d)\n",
	    frame, rt_get_time_ns(), num_missed_slots, slot, hw_slot, mbox_current,mbox_target, diff);
      
1956
      if (exit_missed_slots==1) {
1957 1958
        stop_meas(&softmodem_stats_mt);
        exit_fun("[HW][eNB] missed slot");
1959
      } else {
1960
        num_missed_slots++;
1961
	VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_MISSED_SLOTS_ENB,num_missed_slots );
1962
      }
1963 1964 1965 1966 1967 1968 1969 1970 1971 1972 1973 1974 1975 1976 1977 1978 1979 1980 1981 1982 1983 1984

      if ((slot&1) == 1) {
	for (CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++){
	  if (PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_rx==1023)
	    PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_rx=0;
	  else 
	    PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_rx += 1;
	  
	  if (PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_tx==1023)
	    PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_tx=0;
	  else 
	    PHY_vars_eNB_g[0][CC_id]->proc[((slot>>1)+1)%10].frame_tx += 1;
	}
      }
      
     slot++;
     if (slot == 20) {
       frame++;
       slot = 0;
     }

    
1985
    }
1986

1987
    if (diff>8)
1988 1989
      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);
1990

1991 1992
    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);
1993 1994

    delay_cnt = 0;
1995

1996 1997 1998 1999
    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);
2000
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RT_SLEEP,1);
2001
      ret = rt_sleep_ns(diff*DAQ_PERIOD);
2002 2003
      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);
2004

2005 2006
      if (ret)
        LOG_D(HW,"eNB Frame %d, time %llu: rt_sleep_ns returned %d\n",frame, time_in);
2007

Raymond Knopp's avatar
 
Raymond Knopp committed
2008
      hw_slot = (((((volatile unsigned int *)DAQ_MBOX)[0]+1)%150)<<1)/15;
2009 2010 2011
      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);
//LOG_D(HW,"eNB Frame %d : hw_slot %d, time %llu\n",frame,hw_slot,rt_get_time_ns());
2012
      delay_cnt++;
2013

2014 2015 2016 2017 2018
      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");
      }
2019

Raymond Knopp's avatar
 
Raymond Knopp committed
2020
      mbox_current = ((volatile unsigned int *)DAQ_MBOX)[0];
2021

Raymond Knopp's avatar
 
Raymond Knopp committed
2022
      if ((mbox_current>=135) && (mbox_target<15)) //handle the frame wrap-arround
2023
        diff = 150-mbox_current+mbox_target;
Raymond Knopp's avatar
 
Raymond Knopp committed
2024
      else if ((mbox_current<15) && (mbox_target>=135))
2025
        diff = -150+mbox_target-mbox_current;
Raymond Knopp's avatar
 
Raymond Knopp committed
2026
      else
2027 2028
        diff = mbox_target - mbox_current;
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
2029

2030
#else  // EXMIMO
2031 2032
    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 );
2033
    tx_launched = 0;
2034

2035
    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
2036

2037
      unsigned int rxs;
Raymond Knopp's avatar
 
Raymond Knopp committed
2038
#ifndef USRP_DEBUG
2039 2040 2041
      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
2042

2043
      clock_gettime( CLOCK_MONOTONIC, &trx_time0 );
2044

2045
       start_meas( &softmodem_stats_hw );
2046

2047
      openair0_timestamp timestamp;
2048 2049
      int i=0;
      // prepare rx buffer pointers
2050
      for (i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx; i++)
2051 2052 2053 2054 2055 2056 2057
        rxp[i] = (void*)&rxdata[i][rx_pos];
	// check if nsymb_read == spp
	// map antenna port i to the cc_id. Now use the 1:1 mapping
	rxs = openair0.trx_read_func(&openair0,
				     &timestamp,
				     rxp,
				     spp,
2058 2059
				     PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_rx);
      
2060
      stop_meas( &softmodem_stats_hw );
2061 2062 2063
      if (frame > 50) { 
	  clock_gettime( CLOCK_MONOTONIC, &trx_time1 );
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
2064

navid's avatar
navid committed
2065
      if (frame > 20){ 
2066 2067 2068
	if (rxs != spp)
	  exit_fun( "problem receiving samples" );
      }
2069
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
2070

2071
      // Transmit TX buffer based on timestamp from RX
2072 2073 2074 2075 2076 2077
    
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 );
      // prepare tx buffer pointers
      for (i=0; i<PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx; i++)
	txp[i] = (void*)&txdata[i][tx_pos];
      // if symb_written < spp ==> error 
navid's avatar
navid committed
2078
      if (frame > 50) {
2079
	openair0.trx_write_func(&openair0,
2080
				(timestamp+(openair0_cfg[card].tx_scheduling_advance)-openair0_cfg[card].tx_sample_advance),
2081 2082 2083 2084
				txp,
				spp,
				PHY_vars_eNB_g[0][0]->lte_frame_parms.nb_antennas_tx,
				1);
navid's avatar
navid committed
2085 2086
      }
      
2087
      VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, timestamp&0xffffffff );
2088
      VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp+(openair0_cfg[card].tx_scheduling_advance)-openair0_cfg[card].tx_sample_advance)&0xffffffff );
2089 2090

      stop_meas( &softmodem_stats_mt );
2091 2092
      if (frame > 50) { 
	  clock_gettime( CLOCK_MONOTONIC, &trx_time2 );
Aikaterini's avatar
Aikaterini committed
2093
	  //update_difftimes(trx_time1, trx_time2);
2094 2095
      }

2096

2097
      VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE,0);
2098 2099 2100 2101
#else
      // USRP_DEBUG is active
      rt_sleep_ns(1000000);
#endif
2102 2103 2104 2105 2106 2107
      /* FT configurable tx lauch delay (in slots): txlaunch_wait, txlaunch_wait_slotcount is device specific and 
	 set in the corresponding library (with txlaunch_wait=1 and txlaunch_wait_slotcount=1 the check is as it previously was) */
      /* old check:
	 if ((frame>50) &&
	 (tx_launched == 0) &&
	 (rx_pos >= (((2*hw_subframe)+1)*PHY_vars_eNB_g[0][0]->lte_frame_parms.samples_per_tti>>1))) {*/
Aikaterini's avatar
Aikaterini committed
2108
      if ( (frame>50) && (tx_launched == 0) &&
2109 2110
	   ((openair0_cfg[card].txlaunch_wait == 0) ||
	    ((openair0_cfg[card].txlaunch_wait == 1) &&
2111
	     (rx_pos >= (((2*hw_subframe)+openair0_cfg[card].txlaunch_wait_slotcount)*PHY_vars_eNB_g[0][0]->lte_frame_parms.samples_per_tti>>1))))) { 
2112
	
2113
        tx_launched = 1;
2114

2115
        for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
2116 2117 2118 2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134 2135 2136 2137 2138 2139 2140 2141 2142 2143
          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;

2144 2145
      if (tx_pos >= openair0_cfg[card].samples_per_frame)
        tx_pos -= openair0_cfg[card].samples_per_frame;
2146 2147
    }

2148 2149
    if (rx_pos >= openair0_cfg[card].samples_per_frame)
      rx_pos -= openair0_cfg[card].samples_per_frame;
2150

Raymond Knopp's avatar
 
Raymond Knopp committed
2151 2152

#endif // USRP
2153

2154
    if (oai_exit) break;
Raymond Knopp's avatar
 
Raymond Knopp committed
2155

2156 2157 2158 2159 2160
    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;
2161

2162 2163
      if (time_diff < timing_info.time_min)
        timing_info.time_min = time_diff;
2164

2165 2166
      if (time_diff > timing_info.time_max)
        timing_info.time_max = time_diff;
2167

2168 2169 2170 2171 2172 2173
      timing_info.time_avg += time_diff;
    }

    timing_info.n_samples++;

    if ((slot&1) == 1) {
2174
      // odd slot
2175
#ifdef EXMIMO
2176
      int sf = ((slot>>1)+1)%10;
Raymond Knopp's avatar
 
Raymond Knopp committed
2177
#else
2178
      int sf = hw_subframe;
Raymond Knopp's avatar
 
Raymond Knopp committed
2179
#endif
2180 2181
      if (frame>50) {
	for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
2182
#ifdef EXMIMO
2183 2184 2185 2186 2187 2188 2189 2190 2191 2192 2193 2194 2195 2196 2197
	  
	  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);
	  } 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);
	    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);
	    
	    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);
		exit_fun("nothing to add");
	      }
	    } else {
	      LOG_W(PHY,"[eNB] Frame %d, eNB TX thread %d busy!!\n",PHY_vars_eNB_g[0][CC_id]->proc[sf].frame_tx,sf);
2198
	      exit_fun("nothing to add");
2199 2200 2201
	    }
	  }
	  
Raymond Knopp's avatar
 
Raymond Knopp committed
2202 2203
#endif

2204 2205 2206 2207 2208 2209 2210 2211 2212 2213 2214 2215 2216 2217 2218 2219 2220 2221 2222 2223 2224 2225 2226
	  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;
	  }
	  
	  int cnt_rx = ++PHY_vars_eNB_g[0][CC_id]->proc[sf].instance_cnt_rx;
	  
	  pthread_mutex_unlock( &PHY_vars_eNB_g[0][CC_id]->proc[sf].mutex_rx );
	  
	  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
2227
      }
2228 2229 2230 2231
    }

#ifdef EXMIMO
    slot++;
2232

2233 2234 2235 2236
    if (slot == 20) {
      frame++;
      slot = 0;
    }
2237

Raymond Knopp's avatar
 
Raymond Knopp committed
2238
#else
2239 2240
    hw_subframe++;
    slot += 2;
2241

2242
    if (hw_subframe == NUM_ENB_THREADS) {
2243
      // the radio frame is complete, start over
2244 2245 2246 2247
      hw_subframe = 0;
      frame++;
      slot = 1;
    }
2248 2249

#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2250

2251
#if defined(ENABLE_ITTI)
2252
    itti_update_lte_time( frame, slot );
2253
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
2254
  }
2255 2256

eNB_thread_cleanup:
Raymond Knopp's avatar
 
Raymond Knopp committed
2257
#ifdef DEBUG_THREADS
2258
  printf( "eNB_thread: finished, ran %d times.\n", frame );
Raymond Knopp's avatar
 
Raymond Knopp committed
2259
#endif
2260

2261
#ifdef HARD_RT
Raymond Knopp's avatar
 
Raymond Knopp committed
2262
  rt_make_soft_real_time();
2263 2264
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2265
#ifdef DEBUG_THREADS
2266
  printf( "Exiting eNB_thread ..." );
Raymond Knopp's avatar
 
Raymond Knopp committed
2267 2268
#endif
  // clean task
2269
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
2270
  rt_task_delete(task);
2271
#endif
2272 2273

  eNB_thread_status = 0;
2274

2275
  // print_difftimes();
2276

2277
  return &eNB_thread_status;
Raymond Knopp's avatar
 
Raymond Knopp committed
2278
}
2279

2280

Raymond Knopp's avatar
 
Raymond Knopp committed
2281

Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
2282

2283 2284
static void get_options (int argc, char **argv)
{
2285 2286 2287
  int c;
  //  char                          line[1000];
  //  int                           l;
2288
  int k,i;//,j,k;
2289
#if defined(OAI_USRP) || defined(CPRIGW)
2290
  int clock_src;
2291
#endif
2292 2293 2294 2295 2296
  int CC_id;
#ifdef EXMIMO
  char rxg_fname[256], line[1000];
  FILE *rxg_fd;
  int l;
2297
#endif
2298 2299 2300



2301 2302

  const Enb_properties_array_t *enb_properties;
2303

2304 2305
  enum long_option_e {
    LONG_OPTION_START = 0x100, /* Start after regular single char options */
2306
    LONG_OPTION_RF_CONFIG_FILE,
2307 2308 2309 2310 2311
    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,
2312
    LONG_OPTION_NO_L2_CONNECT,
Raymond Knopp's avatar
 
Raymond Knopp committed
2313
    LONG_OPTION_CALIB_PRACH_TX,
2314 2315
    LONG_OPTION_RXGAIN,
    LONG_OPTION_TXGAIN,
2316
    LONG_OPTION_SCANCARRIER,
2317 2318
    LONG_OPTION_MAXPOWER,
    LONG_OPTION_DUMP_FRAME,
2319 2320
    LONG_OPTION_LOOPMEMORY,
    LONG_OPTION_PHYTEST
2321
  };
2322

2323
  static const struct option long_options[] = {
2324
    {"rf-config-file",required_argument,  NULL, LONG_OPTION_RF_CONFIG_FILE},
2325 2326 2327 2328 2329 2330
    {"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},
Raymond Knopp's avatar
 
Raymond Knopp committed
2331 2332 2333 2334
    {"calib-prach-tx",   no_argument,        NULL, LONG_OPTION_CALIB_PRACH_TX},
    {"ue-rxgain",   required_argument,  NULL, LONG_OPTION_RXGAIN},
    {"ue-txgain",   required_argument,  NULL, LONG_OPTION_TXGAIN},
    {"ue-scan-carrier",   no_argument,  NULL, LONG_OPTION_SCANCARRIER},
2335
    {"ue-max-power",   required_argument,  NULL, LONG_OPTION_MAXPOWER},
2336 2337
    {"ue-dump-frame", no_argument, NULL, LONG_OPTION_DUMP_FRAME},
    {"loop-memory", required_argument, NULL, LONG_OPTION_LOOPMEMORY},
2338
    {"phy-test", no_argument, NULL, LONG_OPTION_PHYTEST},
2339 2340 2341
    {NULL, 0, NULL, 0}
  };

2342
  while ((c = getopt_long (argc, argv, "A:a:C:dEK:g:F:G:hqO:m:SUVRM:r:P:Ws:t:Tx:",long_options,NULL)) != -1) {
2343
    switch (c) {
2344
    case LONG_OPTION_RF_CONFIG_FILE:
2345 2346 2347 2348 2349 2350
      if ((strcmp("null", optarg) == 0) || (strcmp("NULL", optarg) == 0)) {
	printf("no configuration filename is provided\n");
      }
      else if (strlen(optarg)<=1024){
	strcpy(rf_config_file,optarg);
      }else {
2351 2352 2353 2354
         printf("Configuration filename is too long\n");
         exit(-1);   
      }
      break;
2355 2356 2357 2358
    case LONG_OPTION_MAXPOWER:
      tx_max_power[0]=atoi(optarg);
      for (CC_id=1;CC_id<MAX_NUM_CCs;CC_id++)
	tx_max_power[CC_id]=tx_max_power[0];
2359
      break;
2360 2361 2362 2363
    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;
2364

2365 2366 2367 2368 2369
    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;
2370

2371 2372 2373 2374
    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
2375
      break;
2376

2377 2378 2379 2380 2381
    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;
2382

2383 2384 2385
    case LONG_OPTION_DEBUG_UE_PRACH:
      mode = debug_prach;
      break;
2386

2387 2388 2389
    case LONG_OPTION_NO_L2_CONNECT:
      mode = no_L2_connect;
      break;
2390

Raymond Knopp's avatar
 
Raymond Knopp committed
2391 2392 2393 2394
    case LONG_OPTION_CALIB_PRACH_TX:
      mode = calib_prach_tx;
      break;

2395
    case LONG_OPTION_RXGAIN:
2396 2397
      for (i=0; i<4; i++)
        rx_gain[0][i] = atof(optarg);
2398

2399
      break;
2400

2401 2402 2403
    case LONG_OPTION_TXGAIN:
      for (i=0; i<4; i++)
        tx_gain[0][i] = atof(optarg);
2404

2405
      break;
2406

2407 2408 2409 2410 2411
    case LONG_OPTION_SCANCARRIER:
      UE_scan_carrier=1;

      break;

2412 2413 2414 2415 2416 2417
    case LONG_OPTION_LOOPMEMORY:
      mode=loop_through_memory;
      input_fd = fopen(optarg,"r");
      AssertFatal(input_fd != NULL,"Please provide an input file\n");
      break;

2418 2419 2420 2421
    case LONG_OPTION_DUMP_FRAME:
      mode = rx_dump_frame;
      break;
      
2422 2423 2424
    case LONG_OPTION_PHYTEST:
      phy_test = 1;
      break;
2425
      
2426 2427 2428 2429
    case 'A':
      timing_advance = atoi (optarg);
      break;

2430
    case 'C':
2431 2432 2433 2434 2435 2436
      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]);
2437
      }
2438

2439
      UE_scan=0;
2440

2441
      break;
2442

Florian Kaltenberger's avatar
Florian Kaltenberger committed
2443 2444 2445 2446
    case 'a':
      chain_offset = atoi(optarg);
      break;

2447 2448 2449 2450
    case 'd':
#ifdef XFORMS
      do_forms=1;
      printf("Running with XFORMS!\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
2451
#endif
2452
      break;
2453 2454 2455 2456
      
    case 'E':
      threequarter_fs=1;
      break;
2457

2458 2459 2460
    case 'K':
#if defined(ENABLE_ITTI)
      itti_dump_file = strdup(optarg);
2461
#else
2462
      printf("-K option is disabled when ENABLE_ITTI is not defined\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
2463
#endif
2464
      break;
2465

2466 2467 2468
    case 'O':
      conf_config_file_name = optarg;
      break;
2469

2470 2471 2472
    case 'U':
      UE_flag = 1;
      break;
2473

2474 2475 2476
    case 'm':
      target_dl_mcs = atoi (optarg);
      break;
2477

2478 2479 2480
    case 't':
      target_ul_mcs = atoi (optarg);
      break;
2481

2482 2483 2484 2485 2486 2487 2488
    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");
      /*
2489 2490 2491
      if (optarg == NULL){
      in_ip[0] =NULL;
      printf("Enabling OPT for wireshark for local interface");
2492
      } else {
2493 2494 2495
      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);
2496 2497 2498
      }
      */
      break;
2499

2500
    case 'P':
2501 2502
      opt_type = OPT_PCAP;
      opt_enabled=1;
2503 2504 2505 2506 2507

      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");
2508
      } else {
2509 2510 2511
        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);
2512
      }
2513 2514 2515

      break;

Raymond Knopp's avatar
 
Raymond Knopp committed
2516 2517 2518
    case 'V':
      ouput_vcd = 1;
      break;
2519

Raymond Knopp's avatar
 
Raymond Knopp committed
2520
    case  'q':
Raymond Knopp's avatar
 
Raymond Knopp committed
2521 2522
      opp_enabled = 1;
      break;
2523

Raymond Knopp's avatar
 
Raymond Knopp committed
2524 2525 2526
    case  'R' :
      online_log_messages =1;
      break;
2527

Raymond Knopp's avatar
 
Raymond Knopp committed
2528
    case 'r':
2529
      UE_scan = 0;
2530

2531 2532 2533 2534 2535 2536 2537 2538 2539 2540 2541 2542 2543 2544 2545 2546 2547 2548 2549 2550 2551 2552 2553 2554 2555 2556
      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
2557
      }
2558

2559
      break;
2560

Raymond Knopp's avatar
 
Raymond Knopp committed
2561
    case 's':
2562
#if defined(OAI_USRP) || defined(CPRIGW)
Raymond Knopp's avatar
 
Raymond Knopp committed
2563 2564

      clock_src = atoi(optarg);
2565

Raymond Knopp's avatar
 
Raymond Knopp committed
2566
      if (clock_src == 0) {
2567 2568 2569 2570 2571
        //  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
2572
      }
2573

Raymond Knopp's avatar
 
Raymond Knopp committed
2574 2575 2576 2577
#else
      printf("Note: -s not defined for ExpressMIMO2\n");
#endif
      break;
2578

2579 2580 2581 2582
    case 'S':
      exit_missed_slots=0;
      printf("Skip exit for missed slots\n");
      break;
2583

2584
    case 'g':
Raymond Knopp's avatar
 
Raymond Knopp committed
2585
      glog_level=atoi(optarg); // value between 1 - 9
2586
      break;
2587 2588

    case 'F':
2589
#ifdef EXMIMO
2590 2591
      sprintf(rxg_fname,"%srxg.lime",optarg);
      rxg_fd = fopen(rxg_fname,"r");
2592

2593
      if (rxg_fd) {
2594 2595 2596 2597 2598 2599 2600 2601 2602 2603 2604 2605 2606 2607 2608 2609 2610 2611
        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);

2612
#endif
2613
      break;
2614

2615 2616 2617
    case 'G':
      glog_verbosity=atoi(optarg);// value from 0, 0x5, 0x15, 0x35, 0x75
      break;
2618

2619 2620
    case 'x':
      transmission_mode = atoi(optarg);
2621

2622 2623
      if (transmission_mode > 7) {
        printf("Transmission mode %d not supported for the moment\n",transmission_mode);
2624
        exit(-1);
2625
      }
2626
      break;
2627

2628 2629 2630
    case 'T':
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) 
	frame_parms[CC_id]->frame_type = TDD;
2631
      break;
2632

2633 2634 2635 2636
    case 'h':
      help ();
      exit (-1);
       
Raymond Knopp's avatar
 
Raymond Knopp committed
2637
    default:
2638 2639
      help ();
      exit (-1);
Raymond Knopp's avatar
 
Raymond Knopp committed
2640
      break;
2641 2642
    }
  }
2643

Raymond Knopp's avatar
 
Raymond Knopp committed
2644 2645
  if (UE_flag == 0)
    AssertFatal(conf_config_file_name != NULL,"Please provide a configuration file\n");
2646 2647


Raymond Knopp's avatar
 
Raymond Knopp committed
2648
  if ((UE_flag == 0) && (conf_config_file_name != NULL)) {
2649
    int i,j;
2650

Raymond Knopp's avatar
 
Raymond Knopp committed
2651
    NB_eNB_INST = 1;
2652

Raymond Knopp's avatar
 
Raymond Knopp committed
2653 2654
    /* Read eNB configuration file */
    enb_properties = enb_config_init(conf_config_file_name);
2655

Raymond Knopp's avatar
 
Raymond Knopp committed
2656
    AssertFatal (NB_eNB_INST <= enb_properties->number,
2657 2658
                 "Number of eNB is greater than eNB defined in configuration file %s (%d/%d)!",
                 conf_config_file_name, NB_eNB_INST, enb_properties->number);
2659

Raymond Knopp's avatar
 
Raymond Knopp committed
2660
    /* Update some simulation parameters */
2661
    for (i=0; i < enb_properties->number; i++) {
2662
      AssertFatal (MAX_NUM_CCs == enb_properties->properties[i]->nb_cc,
2663 2664 2665
                   "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);

2666 2667
      for (j=0; j<enb_properties->properties[i]->nb_rrh_gw; j++) {
	
2668 2669 2670 2671 2672 2673 2674 2675 2676 2677
	if (enb_properties->properties[i]->rrh_gw_config[j].active == 1 ) {
	  local_remote_radio = BBU_REMOTE_RADIO_HEAD;
	  eth_params = (eth_params_t*)malloc(sizeof(eth_params_t));
	  memset(eth_params, 0, sizeof(eth_params_t));
	  
	  eth_params->local_if_name             = enb_properties->properties[i]->rrh_gw_if_name;
	  eth_params->my_addr                   = enb_properties->properties[i]->rrh_gw_config[j].local_address;
	  eth_params->my_port                   = enb_properties->properties[i]->rrh_gw_config[j].local_port;
	  eth_params->remote_addr               = enb_properties->properties[i]->rrh_gw_config[j].remote_address;
	  eth_params->remote_port               = enb_properties->properties[i]->rrh_gw_config[j].remote_port;
2678 2679 2680 2681 2682 2683 2684 2685 2686 2687 2688 2689 2690 2691 2692 2693 2694
	  eth_params->transp_preference         = enb_properties->properties[i]->rrh_gw_config[j].raw;	 
	  eth_params->iq_txshift                = enb_properties->properties[i]->rrh_gw_config[j].iq_txshift;
	  eth_params->tx_sample_advance         = enb_properties->properties[i]->rrh_gw_config[j].tx_sample_advance;
	  eth_params->tx_scheduling_advance     = enb_properties->properties[i]->rrh_gw_config[j].tx_scheduling_advance;
	  if (enb_properties->properties[i]->rrh_gw_config[j].exmimo == 1) {
	     eth_params->rf_preference          = EXMIMO_DEV;
	  } else if (enb_properties->properties[i]->rrh_gw_config[j].usrp_b200 == 1) {
	    eth_params->rf_preference          = USRP_B200_DEV;
	  } else if (enb_properties->properties[i]->rrh_gw_config[j].usrp_x300 == 1) {
	   eth_params->rf_preference          = USRP_X300_DEV;
	  } else if (enb_properties->properties[i]->rrh_gw_config[j].bladerf == 1) {
	    eth_params->rf_preference          = BLADERF_DEV;
	  } else if (enb_properties->properties[i]->rrh_gw_config[j].lmssdr == 1) {
	    //eth_params->rf_preference          = LMSSDR_DEV;
	  } else {
	    eth_params->rf_preference          = 0;
	  } 
2695 2696
	} else {
	  local_remote_radio = BBU_LOCAL_RADIO_HEAD; 
2697 2698 2699 2700
	}
	
      }

2701 2702 2703 2704 2705 2706 2707 2708 2709 2710 2711 2712 2713 2714
      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
2715 2716
      }

2717

2718 2719 2720
      init_all_otg(0);
      g_otg->seed = 0;
      init_seeds(g_otg->seed);
2721 2722 2723 2724 2725 2726 2727 2728 2729 2730

      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");
2731
      }
2732

2733
      init_predef_traffic(enb_properties->properties[i]->num_otg_elements, 1);
2734 2735


2736 2737 2738 2739 2740 2741 2742 2743 2744 2745 2746 2747 2748 2749
      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
2750 2751 2752 2753 2754 2755
# 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
2756 2757 2758
#if defined (ENABLE_SECURITY)
      osa_log_level                  = enb_properties->properties[i]->osa_log_level;
      osa_log_verbosity              = enb_properties->properties[i]->osa_log_verbosity;
2759
#endif
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2760

Raymond Knopp's avatar
 
Raymond Knopp committed
2761
      // adjust the log
2762
      for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
2763 2764 2765 2766 2767 2768 2769 2770 2771 2772
        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
2773
      } // CC_id
2774
    }// i
2775 2776 2777 2778 2779 2780 2781 2782
  } else if (UE_flag == 1) {
    if (conf_config_file_name != NULL) {
      
      // 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
2783
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
2784
}
2785

2786 2787
int main( int argc, char **argv )
{
2788
  int i,aa,card=0;
Lionel Gauthier's avatar
Lionel Gauthier committed
2789
#if defined (XFORMS) || defined (EMOS) || defined (EXMIMO)
Raymond Knopp's avatar
 
Raymond Knopp committed
2790
  void *status;
2791
#endif
2792

Raymond Knopp's avatar
 
Raymond Knopp committed
2793
  int CC_id;
Raymond Knopp's avatar
 
Raymond Knopp committed
2794
  uint16_t Nid_cell = 0;
2795
  uint8_t  cooperation_flag=0,  abstraction_flag=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2796
  uint8_t beta_ACK=0,beta_RI=0,beta_CQI=2;
2797 2798

#ifdef ENABLE_TCXO
Raymond Knopp's avatar
 
Raymond Knopp committed
2799
  unsigned int tcxo = 114;
2800 2801
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
2802
#if defined (XFORMS)
2803 2804
  int ret;
#endif
2805
#if defined (EMOS) || (! defined (RTAI))
Raymond Knopp's avatar
 
Raymond Knopp committed
2806
  int error_code;
2807
#endif
2808

2809 2810 2811 2812 2813
#ifdef DEBUG_CONSOLE
  setvbuf(stdout, NULL, _IONBF, 0);
  setvbuf(stderr, NULL, _IONBF, 0);
#endif

2814 2815 2816
  PHY_VARS_UE *UE[MAX_NUM_CCs];

  mode = normal_txrx;
2817
  memset(&openair0_cfg[0],0,sizeof(openair0_config_t)*MAX_CARDS);
2818

2819
  memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs);
Raymond Knopp's avatar
 
Raymond Knopp committed
2820
  set_latency_target();
2821

2822
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2823 2824
    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 */
2825
    frame_parms[CC_id]->frame_type          = FDD;
Raymond Knopp's avatar
 
Raymond Knopp committed
2826 2827
    frame_parms[CC_id]->tdd_config          = 3;
    frame_parms[CC_id]->tdd_config_S        = 0;
2828 2829
    frame_parms[CC_id]->N_RB_DL             = 100;
    frame_parms[CC_id]->N_RB_UL             = 100;
Raymond Knopp's avatar
 
Raymond Knopp committed
2830
    frame_parms[CC_id]->Ncp                 = NORMAL;
Raymond Knopp's avatar
 
Raymond Knopp committed
2831 2832
    frame_parms[CC_id]->Ncp_UL              = NORMAL;
    frame_parms[CC_id]->Nid_cell            = Nid_cell;
Raymond Knopp's avatar
 
Raymond Knopp committed
2833
    frame_parms[CC_id]->num_MBSFN_config    = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
2834 2835 2836
    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
2837
  }
2838

2839 2840 2841 2842 2843
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
    downlink_frequency[CC_id][0] = 2680000000; // 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];
2844
    //printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]);
2845
  }
2846 2847
  logInit();
 
2848
  rf_config_file[0]='\0';
2849
  get_options (argc, argv); //Command-line options
2850 2851 2852 2853
  if (rf_config_file[0] == '\0')
    openair0_cfg[0].configFilename = NULL;
  else
    openair0_cfg[0].configFilename = rf_config_file;
2854 2855
  
  // initialize the log (see log.h for details)
Florian Kaltenberger's avatar
Florian Kaltenberger committed
2856 2857
  set_glog(glog_level, glog_verbosity);

2858 2859
  //randominit (0);
  set_taus_seed (0);
Raymond Knopp's avatar
 
Raymond Knopp committed
2860

2861 2862
  if (UE_flag==1) {
    printf("configuring for UE\n");
2863

2864 2865
    set_comp_log(HW,      LOG_DEBUG,  LOG_HIGH, 1);
    set_comp_log(PHY,     LOG_DEBUG,   LOG_HIGH, 1);
2866 2867 2868 2869 2870
    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);
2871
#if defined(ENABLE_ITTI)
2872
    set_comp_log(EMU,     LOG_INFO,   LOG_MED, 1);
2873
# if defined(ENABLE_USE_MME)
2874
    set_comp_log(NAS,     LOG_INFO,   LOG_HIGH, 1);
2875 2876
# endif
#endif
2877 2878
  } else {
    printf("configuring for eNB\n");
2879

2880 2881 2882 2883 2884 2885 2886 2887
    set_comp_log(HW,      hw_log_level, hw_log_verbosity, 1);
    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);
    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);
2888
#if defined(ENABLE_ITTI)
2889
    set_comp_log(EMU,     LOG_INFO,   LOG_MED, 1);
2890
# if defined(ENABLE_USE_MME)
2891 2892 2893 2894
    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);
2895
# endif
2896
#if defined(ENABLE_SECURITY)
2897
    set_comp_log(OSA,    osa_log_level,   osa_log_verbosity, 1);
2898
#endif
2899
#endif
2900
#ifdef LOCALIZATION
2901 2902 2903 2904 2905 2906 2907 2908 2909
    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
2910
    }
2911
  }
2912

Raymond Knopp's avatar
 
Raymond Knopp committed
2913 2914
  if (ouput_vcd) {
    if (UE_flag==1)
2915
      VCD_SIGNAL_DUMPER_INIT("/tmp/openair_dump_UE.vcd");
Raymond Knopp's avatar
 
Raymond Knopp committed
2916
    else
2917
      VCD_SIGNAL_DUMPER_INIT("/tmp/openair_dump_eNB.vcd");
Raymond Knopp's avatar
 
Raymond Knopp committed
2918
  }
2919

2920
  if (opp_enabled ==1){
2921
    reset_opp_meas();
2922 2923
  }
  cpuf=get_cpu_freq_GHz();
2924

2925
#if defined(ENABLE_ITTI)
2926

Raymond Knopp's avatar
 
Raymond Knopp committed
2927 2928
  if (UE_flag == 1) {
    log_set_instance_type (LOG_INSTANCE_UE);
2929
  } else {
Raymond Knopp's avatar
 
Raymond Knopp committed
2930 2931
    log_set_instance_type (LOG_INSTANCE_ENB);
  }
2932

Raymond Knopp's avatar
 
Raymond Knopp committed
2933
  itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info, messages_definition_xml, itti_dump_file);
2934
 
2935 2936
  // initialize mscgen log after ITTI
  MSC_INIT(MSC_E_UTRAN, THREAD_MAX+TASK_MAX);
2937 2938
#endif
 
2939 2940
  if (opt_type != OPT_NONE) {
    radio_type_t radio_type;
2941

2942 2943
    if (frame_parms[0]->frame_type == FDD)
      radio_type = RADIO_TYPE_FDD;
2944
    else
2945
      radio_type = RADIO_TYPE_TDD;
2946

2947 2948 2949
    if (init_opt(in_path, in_ip, NULL, radio_type) == -1)
      LOG_E(OPT,"failed to run OPT \n");
  }
2950

2951
#ifdef PDCP_USE_NETLINK
Raymond Knopp's avatar
 
Raymond Knopp committed
2952
  netlink_init();
2953 2954 2955
#if defined(PDCP_USE_NETLINK_QUEUES)
  pdcp_netlink_init();
#endif
2956 2957
#endif

2958
#if !defined(ENABLE_ITTI)
Raymond Knopp's avatar
 
Raymond Knopp committed
2959 2960 2961
  // to make a graceful exit when ctrl-c is pressed
  signal(SIGSEGV, signal_handler);
  signal(SIGINT, signal_handler);
2962
#endif
2963 2964

#ifndef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
2965 2966 2967 2968
  check_clock();
#endif

  // init the parameters
2969
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2970
    frame_parms[CC_id]->nushift            = 0;
2971

2972 2973 2974 2975 2976 2977 2978 2979 2980
    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
2981 2982 2983 2984 2985 2986 2987 2988
    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;
2989
    frame_parms[CC_id]->threequarter_fs = threequarter_fs;
2990 2991
    init_ul_hopping(frame_parms[CC_id]);
    init_frame_parms(frame_parms[CC_id],1);
2992 2993
    //   phy_init_top(frame_parms[CC_id]);
    phy_init_lte_top(frame_parms[CC_id]);
Raymond Knopp's avatar
 
Raymond Knopp committed
2994 2995 2996
  }


2997
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
2998
    //init prach for openair1 test
2999
    frame_parms[CC_id]->prach_config_common.rootSequenceIndex=22;
Raymond Knopp's avatar
 
Raymond Knopp committed
3000
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1;
3001
    frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3002 3003 3004
    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
3005
    // N_ZC = (prach_fmt <4)?839:139;
Raymond Knopp's avatar
 
Raymond Knopp committed
3006
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
3007 3008

  if (UE_flag==1) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3009 3010 3011
    NB_UE_INST=1;
    NB_INST=1;

Raymond Knopp's avatar
 
Raymond Knopp committed
3012 3013
    PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE**));
    PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_UE*)*MAX_NUM_CCs);
3014 3015

    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
3016 3017 3018 3019

      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]);
3020

3021 3022 3023 3024
      if (phy_test==1)
	UE[CC_id]->mac_enabled = 0;
      else 
	UE[CC_id]->mac_enabled = 1;
3025

3026 3027 3028 3029 3030 3031 3032 3033 3034 3035
      if (UE[CC_id]->mac_enabled == 0) {
	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
3036
      }
3037

3038
      UE[CC_id]->UE_scan = UE_scan;
3039
      UE[CC_id]->UE_scan_carrier = UE_scan_carrier;
3040 3041 3042
      UE[CC_id]->mode    = mode;

      compute_prach_seq(&UE[CC_id]->lte_frame_parms.prach_config_common,
3043 3044 3045
                        UE[CC_id]->lte_frame_parms.frame_type,
                        UE[CC_id]->X_u);

3046 3047 3048 3049
      if (UE[CC_id]->mac_enabled == 1) 
	UE[CC_id]->lte_ue_pdcch_vars[0]->crnti = 0x1234;
      else
	UE[CC_id]->lte_ue_pdcch_vars[0]->crnti = 0x1235;
3050

3051
#ifdef EXMIMO
3052 3053 3054 3055
      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
3056
      }
3057 3058 3059 3060 3061 3062 3063 3064 3065 3066 3067 3068 3069 3070 3071 3072 3073 3074 3075

      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
3076
      }
3077

3078
#else
3079
      UE[CC_id]->rx_total_gain_dB =  (int)rx_gain[CC_id][0];
3080
#endif
3081

3082
      UE[CC_id]->tx_power_max_dBm = tx_max_power[CC_id];
3083

3084

3085
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3086
      //N_TA_offset
3087
      if (UE[CC_id]->lte_frame_parms.frame_type == TDD) {
3088 3089 3090 3091 3092 3093 3094 3095
        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
3096
      }
3097
#else
Raymond Knopp's avatar
 
Raymond Knopp committed
3098
      //already taken care of in lte-softmodem
3099
      UE[CC_id]->N_TA_offset = 0;
3100
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3101
    }
3102

Raymond Knopp's avatar
 
Raymond Knopp committed
3103 3104 3105 3106
    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;
3107 3108 3109



Raymond Knopp's avatar
 
Raymond Knopp committed
3110
    //  printf("tx_max_power = %d -> amp %d\n",tx_max_power,get_tx_amp(tx_max_power,tx_max_power));
3111 3112 3113 3114 3115 3116
  } 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++) {
3117
      PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,frame_parms[CC_id]->Nid_cell,cooperation_flag,transmission_mode,abstraction_flag);
3118 3119
      PHY_vars_eNB_g[0][CC_id]->CC_id = CC_id;

3120 3121 3122 3123
      if (phy_test==1)
	PHY_vars_eNB_g[0][CC_id]->mac_enabled = 0;
      else 
	PHY_vars_eNB_g[0][CC_id]->mac_enabled = 1;
3124

3125 3126 3127 3128 3129 3130 3131 3132 3133 3134
      if (PHY_vars_eNB_g[0][CC_id]->mac_enabled == 0) {
	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;
	}
3135 3136 3137 3138 3139
      }

      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
3140

3141
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3142

3143
      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
3144

3145
#else
3146 3147 3148
      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
3149

3150 3151 3152
      // 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
3153

3154
#endif
3155

3156
#ifdef EXMIMO
3157 3158 3159 3160 3161 3162 3163 3164 3165 3166 3167

      //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
3168
      }
3169

3170
#else
3171
      //already taken care of in lte-softmodem.c
3172 3173
      PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
#endif
3174

3175
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3176 3177


3178 3179 3180 3181 3182 3183 3184 3185 3186
    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;

  }
3187 3188 3189 3190
#ifndef RTAI
  fill_modeled_runtime_table(runtime_phy_rx,runtime_phy_tx);
  cpuf=get_cpu_freq_GHz();
#endif 
3191

Raymond Knopp's avatar
 
Raymond Knopp committed
3192
  dump_frame_parms(frame_parms[0]);
3193

3194 3195 3196
  for (card=0; card<MAX_CARDS; card++) {

    if(frame_parms[0]->N_RB_DL == 100) {
3197 3198 3199 3200 3201 3202 3203 3204 3205 3206 3207 3208
      if (frame_parms[0]->threequarter_fs) {
	openair0_cfg[card].sample_rate=23.04e6;
	openair0_cfg[card].samples_per_frame = 230400; 
	openair0_cfg[card].tx_bw = 10e6;
	openair0_cfg[card].rx_bw = 10e6;
      }
      else {
	openair0_cfg[card].sample_rate=30.72e6;
	openair0_cfg[card].samples_per_frame = 307200; 
	openair0_cfg[card].tx_bw = 10e6;
	openair0_cfg[card].rx_bw = 10e6;
      }
3209 3210 3211 3212 3213 3214 3215 3216 3217 3218 3219 3220 3221 3222 3223 3224
    } else if(frame_parms[0]->N_RB_DL == 50) {
      openair0_cfg[card].sample_rate=15.36e6;
      openair0_cfg[card].samples_per_frame = 153600;
      openair0_cfg[card].tx_bw = 5e6;
      openair0_cfg[card].rx_bw = 5e6;
    } else if (frame_parms[0]->N_RB_DL == 25) {
      openair0_cfg[card].sample_rate=7.68e6;
      openair0_cfg[card].samples_per_frame = 76800;
      openair0_cfg[card].tx_bw = 2.5e6;
      openair0_cfg[card].rx_bw = 2.5e6;
    } else if (frame_parms[0]->N_RB_DL == 6) {
      openair0_cfg[card].sample_rate=1.92e6;
      openair0_cfg[card].samples_per_frame = 19200;
      openair0_cfg[card].tx_bw = 1.5e6;
      openair0_cfg[card].rx_bw = 1.5e6;
    }
3225 3226 3227 3228 3229 3230

    if (frame_parms[0]->frame_type==TDD)
      openair0_cfg[card].duplex_mode = duplex_mode_TDD;
    else //FDD
      openair0_cfg[card].duplex_mode = duplex_mode_FDD;

Raymond Knopp's avatar
 
Raymond Knopp committed
3231

3232 3233 3234 3235 3236 3237
    if (local_remote_radio == BBU_REMOTE_RADIO_HEAD) {      
      openair0_cfg[card].remote_addr    = eth_params->remote_addr;
      openair0_cfg[card].remote_port    = eth_params->remote_port;
      openair0_cfg[card].my_addr        = eth_params->my_addr;
      openair0_cfg[card].my_port        = eth_params->my_port;    
    }
3238

3239
    printf("HW: Configuring card %d, nb_antennas_tx/rx %d/%d\n",card,
3240 3241
           ((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
3242 3243
    openair0_cfg[card].Mod_id = 0;
#ifdef ETHERNET
3244 3245

    if (UE_flag) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3246
      printf("ETHERNET: Configuring UE ETH for %s:%d\n",rrh_UE_ip,rrh_UE_port);
3247
      openair0_cfg[card].remote_addr   = &rrh_UE_ip[0];
3248
      openair0_cfg[card].remote_port = rrh_UE_port;
3249 3250
    } 

3251
    openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;
Raymond Knopp's avatar
 
Raymond Knopp committed
3252
#endif
3253

3254
    // in the case of the USRP, the following variables need to be initialized before the init
3255
    // since the USRP only supports one CC (for the moment), we initialize all the cards with first CC.
3256
    // in the case of EXMIMO2, these values are overwirtten in the function setup_eNB/UE_buffer
3257
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3258 3259
    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));
3260 3261

    for (i=0; i<4; i++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3262

3263 3264 3265 3266 3267 3268 3269 3270
      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];
      printf("Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",
             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]);
      
3271
      openair0_cfg[card].autocal[i] = 1;
3272
      openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
3273 3274 3275 3276
      if (UE_flag == 0) {
	openair0_cfg[card].rx_gain[i] = PHY_vars_eNB_g[0][0]->rx_total_gain_eNB_dB;
      }
      else {
3277
	openair0_cfg[card].rx_gain[i] = PHY_vars_UE_g[0][0]->rx_total_gain_dB;
3278
      }
3279

3280
#if 0  // UHD 3.8     
3281 3282
      switch(frame_parms[0]->N_RB_DL) {
      case 6:
3283
        openair0_cfg[card].rx_gain[i] -= 12;
3284 3285
        break;

3286
      case 25:
3287
        openair0_cfg[card].rx_gain[i] -= 6;
3288 3289
        break;

3290
      case 50:
3291 3292 3293 3294 3295
        openair0_cfg[card].rx_gain[i] -= 3;
        break;

      case 100:
        openair0_cfg[card].rx_gain[i] -= 0;
3296 3297
        break;

3298
      default:
3299
        break;
3300
      }
3301
#endif      
3302

Raymond Knopp's avatar
 
Raymond Knopp committed
3303
    }
3304

3305
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3306
  }
3307 3308

#ifndef LOWLATENCY
3309

3310
  /* Currently we set affinity for UHD to CPU 0 for eNB/UE and only if number of CPUS >2 */
3311 3312 3313 3314 3315 3316
  
  cpu_set_t cpuset;
  int s;
  char cpu_affinity[1024];
  CPU_ZERO(&cpuset);
  #ifdef CPU_AFFINITY
3317
  if (get_nprocs() > 2)
3318
  {
3319 3320 3321 3322 3323 3324 3325
    CPU_SET(0, &cpuset);
    s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
    if (s != 0)
    {
      perror( "pthread_setaffinity_np");
      exit_fun("Error setting processor affinity");
    }
3326 3327 3328
    LOG_I(HW, "Setting the affinity of main function to CPU 0, for device library to use CPU 0 only!\n");
  }
  #endif
3329

3330 3331 3332 3333 3334 3335 3336 3337 3338 3339 3340 3341 3342 3343 3344
  /* Check the actual affinity mask assigned to the thread */
  s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
  if (s != 0)
  {
    perror( "pthread_getaffinity_np");
    exit_fun("Error getting processor affinity ");
  }
  memset(cpu_affinity, 0 , sizeof(cpu_affinity));
  for (int j = 0; j < CPU_SETSIZE; j++)
  {
    if (CPU_ISSET(j, &cpuset))
    {  
      char temp[1024];
      sprintf(temp, " CPU_%d ", j);    
      strcat(cpu_affinity, temp);
3345 3346
    }
  }
3347
  LOG_I(HW, "CPU Affinity of main() function is... %s\n", cpu_affinity);
3348
#endif
3349

3350 3351 3352 3353 3354 3355
  /* device host type is set*/
  openair0.host_type = BBU_HOST;
  /* device type is initialized NONE_DEV (no RF device) when the RF device will be initiated device type will be set */
  openair0.type = NONE_DEV;
  /* transport type is initialized NONE_TP (no transport protocol) when the transport protocol will be initiated transport protocol type will be set */
  openair0.transp_type = NONE_TP;
navid's avatar
navid committed
3356
  openair0_cfg[0].log_level = glog_level;
3357

3358 3359 3360 3361 3362 3363 3364 3365 3366 3367
  int returns=-1;
  /* BBU can have either a local or a remote radio head */  
  if (local_remote_radio == BBU_LOCAL_RADIO_HEAD) { //local radio head active  - load library of radio head and initiate it
    if (mode!=loop_through_memory) {
      returns=openair0_device_load(&openair0, &openair0_cfg[0]);
      printf("openair0_device_init returns %d\n",returns);
      if (returns<0) {
	printf("Exiting, cannot initialize device\n");
	exit(-1);
      }
3368
    }
3369 3370 3371 3372 3373 3374 3375 3376 3377 3378
    else if (mode==loop_through_memory) {    
    }
  }  else { //remote radio head active - load library of transport protocol and initiate it 
    if (mode!=loop_through_memory) {
      returns=openair0_transport_load(&openair0, &openair0_cfg[0], eth_params);
      printf("openair0_transport_init returns %d\n",returns);
      if (returns<0) { 
	printf("Exiting, cannot initialize transport protocol\n");
	exit(-1);
      }
3379 3380 3381 3382
    }
    else if (mode==loop_through_memory) {    
    }
  }   
3383
  
3384
  printf("Done\n");
3385 3386 3387

  mac_xface = malloc(sizeof(MAC_xface));

Raymond Knopp's avatar
 
Raymond Knopp committed
3388
  int eMBMS_active=0;
3389
  
Raymond Knopp's avatar
 
Raymond Knopp committed
3390
  l2_init(frame_parms[0],eMBMS_active,(uecap_xer_in==1)?uecap_xer:NULL,
3391 3392 3393
	  0,// cba_group_active
	  0); // HO flag
  
Raymond Knopp's avatar
 
Raymond Knopp committed
3394
  mac_xface->macphy_exit = &exit_fun;
3395

winckel's avatar
winckel committed
3396
#if defined(ENABLE_ITTI)
3397

Raymond Knopp's avatar
 
Raymond Knopp committed
3398
  if (create_tasks(UE_flag ? 0 : 1, UE_flag ? 1 : 0) < 0) {
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3399
    printf("cannot create ITTI tasks\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
3400 3401
    exit(-1); // need a softer mode
  }
3402

Raymond Knopp's avatar
 
Raymond Knopp committed
3403
  printf("ITTI tasks created\n");
winckel's avatar
winckel committed
3404
#endif
Florian Kaltenberger's avatar
 
Florian Kaltenberger committed
3405

3406 3407 3408 3409 3410 3411 3412 3413
  if (phy_test==0) {
    if (UE_flag==1) {
      printf("Filling UE band info\n");
      fill_ue_band_info();
      mac_xface->dl_phy_sync_success (0, 0, 0, 1);
    } else
      mac_xface->mrbch_phy_sync_failure (0, 0, 0);
  }
Raymond Knopp's avatar
 
Raymond Knopp committed
3414

3415
  /* #ifdef OPENAIR2
Raymond Knopp's avatar
 
Raymond Knopp committed
3416 3417 3418 3419 3420 3421
  //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
3422 3423 3424 3425 3426 3427
  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
3428 3429 3430
  }
  init_predef_traffic(UE_flag ? 1 : 0, UE_flag ? 0 : 1);
  //  }
3431
  #endif */
Raymond Knopp's avatar
 
Raymond Knopp committed
3432

3433
#ifdef EXMIMO
3434
  number_of_cards = openair0_num_detected_cards;
3435 3436
#else
  number_of_cards = 1;
3437
#endif
3438

3439

3440

3441
  for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3442
    rf_map[CC_id].card=0;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3443
    rf_map[CC_id].chain=CC_id+chain_offset;
Florian Kaltenberger's avatar
Florian Kaltenberger committed
3444
  }
3445

Raymond Knopp's avatar
 
Raymond Knopp committed
3446 3447
  // connect the TX/RX buffers
  if (UE_flag==1) {
3448
#ifdef OAI_USRP
3449
    openair_daq_vars.timing_advance = timing_advance;
3450
#else
3451
    openair_daq_vars.timing_advance = 160;
3452
#endif
3453
    if (setup_ue_buffers(UE,&openair0_cfg[0],rf_map)!=0) {
3454 3455 3456
      printf("Error setting up eNB buffer\n");
      exit(-1);
    }
3457

3458
    printf("Setting UE buffer to all-RX\n");
3459

3460
    // Set LSBs for antenna switch (ExpressMIMO)
3461
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3462
      for (i=0; i<frame_parms[CC_id]->samples_per_tti*10; i++)
3463 3464
        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
3465
    }
3466

3467 3468
    if (input_fd) {
      printf("Reading in from file to antenna buffer %d\n",0);
3469 3470 3471 3472 3473
      if (fread(UE[0]->lte_ue_common_vars.rxdata[0],
	        sizeof(int32_t),
	        frame_parms[0]->samples_per_tti*10,
	        input_fd) != frame_parms[0]->samples_per_tti*10)
        printf("error reading from file\n");
3474
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3475
    //p_exmimo_config->framing.tdd_config = TXRXSWITCH_TESTRX;
3476
  } else {
3477
    openair_daq_vars.timing_advance = 0;
3478

3479 3480 3481 3482
    if (setup_eNB_buffers(PHY_vars_eNB_g[0],&openair0_cfg[0],rf_map)!=0) {
      printf("Error setting up eNB buffer\n");
      exit(-1);
    }
3483

3484
    printf("Setting eNB buffer to all-RX\n");
3485

3486
    // Set LSBs for antenna switch (ExpressMIMO)
3487
    for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3488
      for (i=0; i<frame_parms[CC_id]->samples_per_tti*10; i++)
3489 3490
        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
3491
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3492
  }
3493

3494
#ifdef EXMIMO
3495
  openair0_config(&openair0_cfg[0],UE_flag);
Raymond Knopp's avatar
 
Raymond Knopp committed
3496 3497
#endif

3498
  /*
Raymond Knopp's avatar
 
Raymond Knopp committed
3499 3500
      for (ant=0;ant<4;ant++)
      p_exmimo_config->rf.do_autocal[ant] = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3501
  */
3502 3503

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3504
  error_code = rtf_create(CHANSOUNDER_FIFO_MINOR,CHANSOUNDER_FIFO_SIZE);
3505

Raymond Knopp's avatar
 
Raymond Knopp committed
3506 3507 3508 3509 3510 3511
  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);
3512
  else
Raymond Knopp's avatar
 
Raymond Knopp committed
3513
    printf("[OPENAIR][SCHED][INIT] Problem creating EMOS FIFO %d, error_code %d\n",CHANSOUNDER_FIFO_MINOR,error_code);
3514

3515 3516
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3517
  mlockall(MCL_CURRENT | MCL_FUTURE);
3518 3519

#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3520
  // make main thread LXRT soft realtime
3521
  /* task = */ rt_task_init_schmod(nam2num("MAIN"), 9, 0, 0, SCHED_FIFO, 0xF);
Raymond Knopp's avatar
 
Raymond Knopp committed
3522 3523 3524 3525 3526

  // start realtime timer and scheduler
  //rt_set_oneshot_mode();
  rt_set_periodic_mode();
  start_rt_timer(0);
3527
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3528

Raymond Knopp's avatar
 
Raymond Knopp committed
3529 3530
  pthread_cond_init(&sync_cond,NULL);
  pthread_mutex_init(&sync_mutex, NULL);
3531

Raymond Knopp's avatar
 
Raymond Knopp committed
3532
  // this starts the DMA transfers
3533
#ifdef EXMIMO
3534

Raymond Knopp's avatar
 
Raymond Knopp committed
3535
  if (UE_flag!=1)
3536
    for (card=0; card<openair0_num_detected_cards; card++)
3537
      openair0_start_rt_acquisition(card);
3538

Raymond Knopp's avatar
 
Raymond Knopp committed
3539
#endif
3540 3541

#ifdef XFORMS
3542 3543
  int UE_id;

Raymond Knopp's avatar
 
Raymond Knopp committed
3544 3545
  if (do_forms==1) {
    fl_initialize (&argc, argv, NULL, 0, 0);
3546 3547

    if (UE_flag==0) {
3548
      form_stats_l2 = create_form_stats_form();
3549 3550 3551
      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");
3552 3553

      for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
3554 3555 3556 3557 3558 3559 3560 3561 3562 3563 3564 3565 3566
	for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
	  form_enb[CC_id][UE_id] = create_lte_phy_scope_enb();
	  sprintf (title, "LTE UL SCOPE eNB for CC_id %d, UE %d",CC_id,UE_id);
	  fl_show_form (form_enb[CC_id][UE_id]->lte_phy_scope_enb, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);

	  if (otg_enabled) {
	    fl_set_button(form_enb[CC_id][UE_id]->button_0,1);
	    fl_set_object_label(form_enb[CC_id][UE_id]->button_0,"DL Traffic ON");
	  } else {
	    fl_set_button(form_enb[CC_id][UE_id]->button_0,0);
	    fl_set_object_label(form_enb[CC_id][UE_id]->button_0,"DL Traffic OFF");
	  }
	}
3567
      }
3568
    } else {
3569 3570 3571 3572 3573 3574 3575
      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
3576
      if (openair_daq_vars.use_ia_receiver) {
3577 3578 3579 3580 3581
        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
3582 3583 3584
      }
    }

Raymond Knopp's avatar
 
Raymond Knopp committed
3585
    ret = pthread_create(&forms_thread, NULL, scope_thread, NULL);
3586

3587 3588
    if (ret == 0)
      pthread_setname_np( forms_thread, "xforms" );
3589

Raymond Knopp's avatar
 
Raymond Knopp committed
3590 3591
    printf("Scope thread created, ret=%d\n",ret);
  }
3592

3593 3594 3595
#endif

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3596 3597
  ret = pthread_create(&thread3, NULL, emos_thread, NULL);
  printf("EMOS thread created, ret=%d\n",ret);
jiangx's avatar
jiangx committed
3598 3599
  ret = pthread_create(&thread4, NULL, gps_thread, NULL);
  printf("GPS thread created, ret=%d\n",ret);
3600 3601
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3602
  rt_sleep_ns(10*FRAME_PERIOD);
3603 3604

#ifndef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3605
  pthread_attr_init (&attr_dlsch_threads);
3606
  pthread_attr_setstacksize(&attr_dlsch_threads,4*PTHREAD_STACK_MIN);
3607

3608
  pthread_attr_init (&attr_UE_thread);
3609
  pthread_attr_setstacksize(&attr_UE_thread,8192);//5*PTHREAD_STACK_MIN);
3610

3611
#ifndef LOWLATENCY
3612 3613
  sched_param_UE_thread.sched_priority = sched_get_priority_max(SCHED_FIFO);
  pthread_attr_setschedparam(&attr_UE_thread,&sched_param_UE_thread);
3614
  sched_param_dlsch.sched_priority = sched_get_priority_max(SCHED_FIFO); //OPENAIR_THREAD_PRIORITY;
Raymond Knopp's avatar
 
Raymond Knopp committed
3615 3616
  pthread_attr_setschedparam  (&attr_dlsch_threads, &sched_param_dlsch);
  pthread_attr_setschedpolicy (&attr_dlsch_threads, SCHED_FIFO);
3617
  printf("Setting eNB_thread FIFO scheduling policy with priority %d \n", sched_param_dlsch.sched_priority);
3618
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3619

3620 3621
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3622 3623
  // start the main thread
  if (UE_flag == 1) {
3624
    printf("Intializing UE Threads ...\n");
Raymond Knopp's avatar
 
Raymond Knopp committed
3625
    init_UE_threads();
3626 3627 3628 3629 3630
#ifdef DLSCH_THREAD
    init_rx_pdsch_thread();
    rt_sleep_ns(FRAME_PERIOD/10);
    init_dlsch_threads();
#endif
3631

3632
    sleep(1);
3633
#ifdef RTAI
3634
    main_ue_thread = rt_thread_create(UE_thread, NULL, 100000000);
3635
#else
3636
    error_code = pthread_create(&main_ue_thread, &attr_UE_thread, UE_thread, NULL);
3637

Raymond Knopp's avatar
 
Raymond Knopp committed
3638 3639 3640
    if (error_code!= 0) {
      LOG_D(HW,"[lte-softmodem.c] Could not allocate UE_thread, error %d\n",error_code);
      return(error_code);
3641
    } else {
3642 3643
      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
3644
    }
3645

3646
#endif
3647
    printf("UE threads created\n");
3648 3649 3650 3651 3652 3653 3654 3655 3656 3657
#ifdef USE_MME

    while (start_UE == 0) {
      sleep(1);
    }

#endif



3658
  } else {
Raymond Knopp's avatar
 
Raymond Knopp committed
3659 3660
    if (multi_thread>0) {
      init_eNB_proc();
3661
      sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3662 3663
      LOG_D(HW,"[lte-softmodem.c] eNB threads created\n");
    }
3664

3665
    printf("Creating main eNB_thread \n");
Raymond Knopp's avatar
 
Raymond Knopp committed
3666
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3667
    main_eNB_thread = rt_thread_create(eNB_thread, NULL, PTHREAD_STACK_MIN);
Raymond Knopp's avatar
 
Raymond Knopp committed
3668
#else
3669
    error_code = pthread_create( &main_eNB_thread, &attr_dlsch_threads, eNB_thread, NULL );
3670

Raymond Knopp's avatar
 
Raymond Knopp committed
3671 3672 3673
    if (error_code!= 0) {
      LOG_D(HW,"[lte-softmodem.c] Could not allocate eNB_thread, error %d\n",error_code);
      return(error_code);
3674
    } else {
3675 3676
      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
3677
    }
3678

Raymond Knopp's avatar
 
Raymond Knopp committed
3679 3680
#endif
  }
3681

Raymond Knopp's avatar
 
Raymond Knopp committed
3682
  // Sleep to allow all threads to setup
Raymond Knopp's avatar
 
Raymond Knopp committed
3683
  sleep(1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3684

3685

3686

3687
#ifndef EXMIMO
3688

Raymond Knopp's avatar
 
Raymond Knopp committed
3689
#ifndef USRP_DEBUG
3690
  if (mode!=loop_through_memory)
navid's avatar
navid committed
3691 3692 3693
    if (openair0.trx_start_func(&openair0) != 0 ) 
      LOG_E(HW,"Could not start the device\n");

Raymond Knopp's avatar
 
Raymond Knopp committed
3694
#endif
3695

3696 3697
#endif

3698
  printf("Sending sync to all threads\n");
3699

Raymond Knopp's avatar
 
Raymond Knopp committed
3700
  pthread_mutex_lock(&sync_mutex);
3701
  sync_var=0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3702 3703
  pthread_cond_broadcast(&sync_cond);
  pthread_mutex_unlock(&sync_mutex);
3704

Raymond Knopp's avatar
 
Raymond Knopp committed
3705 3706 3707
  // wait for end of program
  printf("TYPE <CTRL-C> TO TERMINATE\n");
  //getchar();
3708 3709

#if defined(ENABLE_ITTI)
Raymond Knopp's avatar
 
Raymond Knopp committed
3710 3711
  printf("Entering ITTI signals handler\n");
  itti_wait_tasks_end();
3712
  oai_exit=1;
3713
#else
3714

Raymond Knopp's avatar
 
Raymond Knopp committed
3715 3716
  while (oai_exit==0)
    rt_sleep_ns(FRAME_PERIOD);
3717

3718
#endif
3719

Raymond Knopp's avatar
 
Raymond Knopp committed
3720
  // stop threads
3721
#ifdef XFORMS
Raymond Knopp's avatar
 
Raymond Knopp committed
3722
  printf("waiting for XFORMS thread\n");
3723 3724 3725 3726 3727 3728 3729 3730 3731 3732 3733 3734 3735 3736

  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++) {
3737 3738 3739 3740
	for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
	  fl_hide_form(form_enb[CC_id][UE_id]->lte_phy_scope_enb);
	  fl_free_form(form_enb[CC_id][UE_id]->lte_phy_scope_enb);
	}
Raymond Knopp's avatar
 
Raymond Knopp committed
3741
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
3742
    }
3743 3744
  }

3745 3746
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3747
  printf("stopping MODEM threads\n");
3748

Raymond Knopp's avatar
 
Raymond Knopp committed
3749 3750
  // cleanup
  if (UE_flag == 1) {
3751
#ifdef EXMIMO
3752
#ifdef RTAI
3753
    rt_thread_join(main_ue_thread);
3754
#else
3755
    pthread_join(main_ue_thread,&status);
3756 3757
#endif
#ifdef DLSCH_THREAD
Raymond Knopp's avatar
 
Raymond Knopp committed
3758 3759
    cleanup_dlsch_threads();
    cleanup_rx_pdsch_thread();
3760
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3761
#endif
3762
  } else {
Raymond Knopp's avatar
 
Raymond Knopp committed
3763
#ifdef DEBUG_THREADS
Raymond Knopp's avatar
 
Raymond Knopp committed
3764
    printf("Joining eNB_thread ...");
Raymond Knopp's avatar
 
Raymond Knopp committed
3765
#endif
3766
#ifdef RTAI
3767
    rt_thread_join(main_eNB_thread);
3768
#else
3769 3770
    int *eNB_thread_status_p;
    int result = pthread_join( main_eNB_thread, (void**)&eNB_thread_status_p );
Raymond Knopp's avatar
 
Raymond Knopp committed
3771
#ifdef DEBUG_THREADS
3772

3773
    if (result != 0) {
3774
      printf( "\nError joining main_eNB_thread.\n" );
3775
    } else {
3776 3777 3778 3779 3780
      if (eNB_thread_status_p) {
        printf( "status %d\n", *eNB_thread_status_p );
      } else {
        printf( "The thread was killed. No status available.\n");
      }
3781
    }
3782

3783 3784
#else
    UNUSED(result);
3785 3786
#endif // DEBUG_THREADS
#endif // RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3787

Raymond Knopp's avatar
 
Raymond Knopp committed
3788 3789 3790
    if (multi_thread>0) {
      printf("Killing eNB processing threads\n");
      kill_eNB_proc();
Raymond Knopp's avatar
 
Raymond Knopp committed
3791
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3792
  }
3793

3794

3795
#ifdef RTAI
Raymond Knopp's avatar
 
Raymond Knopp committed
3796
  stop_rt_timer();
3797
#endif
Raymond Knopp's avatar
 
Raymond Knopp committed
3798 3799
  pthread_cond_destroy(&sync_cond);
  pthread_mutex_destroy(&sync_mutex);
3800

3801

3802
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3803
  printf("stopping card\n");
3804
  openair0_stop(0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3805 3806
  printf("closing openair0_lib\n");
  openair0_close();
navid's avatar
navid committed
3807 3808
#else
  openair0.trx_end_func(&openair0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3809
#endif
3810 3811

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3812 3813 3814
  printf("waiting for EMOS thread\n");
  pthread_cancel(thread3);
  pthread_join(thread3,&status);
jiangx's avatar
jiangx committed
3815 3816 3817
  printf("waiting for GPS thread\n");
  pthread_cancel(thread4);
  pthread_join(thread4,&status);
3818 3819 3820
#endif

#ifdef EMOS
Raymond Knopp's avatar
 
Raymond Knopp committed
3821 3822
  error_code = rtf_destroy(CHANSOUNDER_FIFO_MINOR);
  printf("[OPENAIR][SCHED][CLEANUP] EMOS FIFO closed, error_code %d\n", error_code);
3823 3824
#endif

Raymond Knopp's avatar
 
Raymond Knopp committed
3825
  if (ouput_vcd)
3826
    VCD_SIGNAL_DUMPER_CLOSE();
3827

3828
  if (opt_enabled == 1)
3829
    terminate_opt();
3830

Raymond Knopp's avatar
 
Raymond Knopp committed
3831
  logClean();
3832

Raymond Knopp's avatar
 
Raymond Knopp committed
3833 3834
  return 0;
}
3835 3836


3837 3838 3839
/* 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
3840
   antennas are mapped to successive RF chains on the same card. */
3841 3842
int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg, openair0_rf_map rf_map[MAX_NUM_CCs])
{
3843

3844
  int i, CC_id;
3845
#ifndef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3846
  uint16_t N_TA_offset = 0;
Raymond Knopp's avatar
 
Raymond Knopp committed
3847 3848
#else
  int j;
Raymond Knopp's avatar
 
Raymond Knopp committed
3849
#endif
3850
  LTE_DL_FRAME_PARMS *frame_parms;
3851

Raymond Knopp's avatar
 
Raymond Knopp committed
3852

3853 3854
  for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
    if (phy_vars_eNB[CC_id]) {
Raymond Knopp's avatar
 
Raymond Knopp committed
3855 3856
      frame_parms = &(phy_vars_eNB[CC_id]->lte_frame_parms);
      printf("setup_eNB_buffers: frame_parms = %p\n",frame_parms);
3857
    } else {
3858 3859
      printf("phy_vars_eNB[%d] not initialized\n", CC_id);
      return(-1);
Raymond Knopp's avatar
 
Raymond Knopp committed
3860
    }
Raymond Knopp's avatar
 
Raymond Knopp committed
3861

3862
#ifndef EXMIMO
3863

3864 3865
    if (frame_parms->frame_type == TDD) {
      if (frame_parms->N_RB_DL == 100)
3866
        N_TA_offset = 624;
3867
      else if (frame_parms->N_RB_DL == 50)
3868
        N_TA_offset = 624/2;
3869
      else if (frame_parms->N_RB_DL == 25)
3870
        N_TA_offset = 624/4;
Raymond Knopp's avatar
 
Raymond Knopp committed
3871
    }
3872

Raymond Knopp's avatar
 
Raymond Knopp committed
3873
#endif
3874

Raymond Knopp's avatar
 
Raymond Knopp committed
3875
    // replace RX signal buffers with mmaped HW versions
3876
#ifdef EXMIMO
Raymond Knopp's avatar
 
Raymond Knopp committed
3877 3878 3879
    openair0_cfg[CC_id].tx_num_channels = 0;
    openair0_cfg[CC_id].rx_num_channels = 0;

3880
    for (i=0; i<frame_parms->nb_antennas_rx; i++) {
3881 3882 3883
      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];
3884

3885
      if (openair0_cfg[rf_map[CC_id].card].rx_freq[rf_map[CC_id].chain+i]) {
3886 3887 3888 3889 3890 3891
        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++;
3892
      }
3893

3894
      printf("rxdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
3895 3896 3897 3898

      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;
3899
      }
Raymond Knopp's avatar
 
Raymond Knopp committed
3900
    }
3901 3902

    for (i=0; i<frame_parms->nb_antennas_tx; i++) {
3903 3904 3905
      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];
3906

3907
      if (openair0_cfg[rf_map[CC_id].card].tx_freq[rf_map[CC_id].chain+i]) {
3908 3909 3910 3911 3912 3913
        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++;
3914
      }
3915

3916
      printf("txdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
3917 3918 3919 3920

      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;
3921
      }
3922
    }
3923

3924
#else // not EXMIMO
3925 3926 3927
    rxdata = (int32_t**)malloc16(frame_parms->nb_antennas_rx*sizeof(int32_t*));
    txdata = (int32_t**)malloc16(frame_parms->nb_antennas_tx*sizeof(int32_t*));

3928
    for (i=0; i<frame_parms->nb_antennas_rx; i++) {
3929
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i]);
3930
      rxdata[i] = (int32_t*)(32 + malloc16(32+openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
3931
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD         FIXME! N_TA_offset > 16 => access of unallocated memory
3932
      memset(rxdata[i], 0, openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t));
3933
      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);
3934
      
Raymond Knopp's avatar
 
Raymond Knopp committed
3935
    }
3936 3937

    for (i=0; i<frame_parms->nb_antennas_tx; i++) {
3938
      free(phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
3939
      txdata[i] = (int32_t*)(32 + malloc16(32 + openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t))); // FIXME broken memory allocation
3940
      phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i] = txdata[i];
3941
      memset(txdata[i],0, openair0_cfg[rf_map[CC_id].card].samples_per_frame*sizeof(int32_t));
3942
      printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->lte_eNB_common_vars.txdata[0][i]);
3943

Raymond Knopp's avatar
 
Raymond Knopp committed
3944
    }
3945

Raymond Knopp's avatar
 
Raymond Knopp committed
3946
#endif
3947
  }
3948

3949
  return(0);
Raymond Knopp's avatar
 
Raymond Knopp committed
3950
}
3951

3952
void reset_opp_meas(void) {
3953 3954 3955
  int sfn;
  reset_meas(&softmodem_stats_mt);
  reset_meas(&softmodem_stats_hw);
3956
  
3957 3958 3959 3960 3961 3962
  for (sfn=0; sfn < 10; sfn++) {
    reset_meas(&softmodem_stats_tx_sf[sfn]);
    reset_meas(&softmodem_stats_rx_sf[sfn]);
  }
}

3963 3964
void print_opp_meas(void) {

3965 3966 3967
  int sfn=0;
  print_meas(&softmodem_stats_mt, "Main ENB Thread", NULL, NULL);
  print_meas(&softmodem_stats_hw, "HW Acquisation", NULL, NULL);
3968
  
3969 3970 3971 3972 3973
  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);
  }
}
3974 3975