/* * Licensed to the OpenAirInterface (OAI) Software Alliance under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The OpenAirInterface Software Alliance licenses this file to You under * the OAI Public License, Version 1.1 (the "License"); you may not use this file * except in compliance with the License. * You may obtain a copy of the License at * * http://www.openairinterface.org/?page_id=698 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. *------------------------------------------------------------------------------- * For more information about the OpenAirInterface (OAI) Software Alliance: * contact@openairinterface.org */ /*! \file lte-enb.c * \brief Top-level threads for eNodeB * \author R. Knopp, F. Kaltenberger, Navid Nikaein * \date 2012 * \version 0.1 * \company Eurecom * \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr * \note * \warning */ #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <sched.h> #include "T.h" #include "rt_wrapper.h" #undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all #include "assertions.h" #include "msc.h" #include "PHY/types.h" #include "PHY/defs_UE.h" #include "common/ran_context.h" #include "common/config/config_userapi.h" #include "common/utils/load_module_shlib.h" #undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all //#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all #include "../../ARCH/COMMON/common_lib.h" #include "../../ARCH/ETHERNET/USERSPACE/LIB/if_defs.h" //#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all #include "PHY/phy_vars_ue.h" #include "PHY/LTE_TRANSPORT/transport_vars.h" #include "SCHED/sched_common_vars.h" #include "PHY/MODULATION/modulation_vars.h" #include "LAYER2/MAC/mac.h" #include "LAYER2/MAC/mac_vars.h" #include "LAYER2/MAC/mac_proto.h" #include "RRC/LTE/rrc_vars.h" #include "PHY_INTERFACE/phy_interface_vars.h" #include "common/utils/LOG/log.h" #include "UTIL/OTG/otg_tx.h" #include "UTIL/OTG/otg_externs.h" #include "UTIL/MATH/oml.h" #include "common/utils/LOG/vcd_signal_dumper.h" #include "UTIL/OPT/opt.h" #include "enb_config.h" //#include "PHY/TOOLS/time_meas.h" #ifndef OPENAIR2 #include "UTIL/OTG/otg_vars.h" #endif #if defined(ENABLE_ITTI) #include "create_tasks.h" #endif #include "system.h" #ifdef XFORMS #include "PHY/TOOLS/lte_phy_scope.h" #include "stats.h" #endif #include "lte-softmodem.h" RAN_CONTEXT_t RC; /* temporary compilation wokaround (UE/eNB split */ uint16_t sf_ahead; #ifdef XFORMS // current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0) // at eNB 0, an UL scope for every UE FD_lte_phy_scope_ue *form_ue[NUMBER_OF_UE_MAX]; FD_lte_phy_scope_enb *form_enb[MAX_NUM_CCs][NUMBER_OF_UE_MAX]; FD_stats_form *form_stats=NULL,*form_stats_l2=NULL; char title[255]; unsigned char scope_enb_num_ue = 2; static pthread_t forms_thread; //xforms #endif //XFORMS pthread_cond_t nfapi_sync_cond; pthread_mutex_t nfapi_sync_mutex; int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex uint8_t nfapi_mode = 0; uint16_t sf_ahead=2; char *emul_iface; pthread_cond_t sync_cond; pthread_mutex_t sync_mutex; int sync_var=-1; //!< protected by mutex \ref sync_mutex. int config_sync_var=-1; 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] #if defined(ENABLE_ITTI) volatile int start_eNB = 0; volatile int start_UE = 0; #endif volatile int oai_exit = 0; clock_source_t clock_source = internal; static int wait_for_sync = 0; unsigned int mmapped_dma=0; int single_thread_flag=1; static int8_t threequarter_fs=0; uint32_t downlink_frequency[MAX_NUM_CCs][4]; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; int UE_scan = 1; int UE_scan_carrier = 0; int simL1flag = 0; int snr_dB=25; runmode_t mode = normal_txrx; FILE *input_fd=NULL; #if MAX_NUM_CCs == 1 rx_gain_t rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}}; double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0}}; double rx_gain[MAX_NUM_CCs][4] = {{130,0,0,0}}; #else 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}}; double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0},{20,0,0,0}}; double rx_gain[MAX_NUM_CCs][4] = {{130,0,0,0},{20,0,0,0}}; #endif double rx_gain_off = 0.0; double sample_rate=30.72e6; double bw = 10.0e6; static int tx_max_power[MAX_NUM_CCs]; /* = {0,0}*/; char rf_config_file[1024]; int chain_offset=0; int phy_test = 0; uint8_t usim_test = 0; uint8_t dci_Format = 0; uint8_t agregation_Level =0xFF; uint8_t nb_antenna_tx = 1; uint8_t nb_antenna_rx = 1; char ref[128] = "internal"; char channels[128] = "0"; int rx_input_level_dBm; #ifdef XFORMS extern int otg_enabled; static char do_forms=0; #else int otg_enabled; #endif //int number_of_cards = 1; static LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]; uint32_t target_dl_mcs = 28; //maximum allowed mcs uint32_t target_ul_mcs = 20; uint32_t timing_advance = 0; uint8_t exit_missed_slots=1; uint64_t num_missed_slots=0; // counter for the number of missed slots extern void init_UE_stub_single_thread(int nb_inst,int eMBMS_active, int uecap_xer_in, char *emul_iface); extern PHY_VARS_UE* init_ue_vars(LTE_DL_FRAME_PARMS *frame_parms, uint8_t UE_id, uint8_t abstraction_flag); int transmission_mode=1; int emulate_rf = 0; int numerology = 0; char *parallel_config = NULL; char *worker_config = NULL; char* usrp_args=NULL; char* usrp_clksrc=NULL; static THREAD_STRUCT thread_struct; void set_parallel_conf(char *parallel_conf) { if(strcmp(parallel_conf,"PARALLEL_SINGLE_THREAD")==0) thread_struct.parallel_conf = PARALLEL_SINGLE_THREAD; else if(strcmp(parallel_conf,"PARALLEL_RU_L1_SPLIT")==0) thread_struct.parallel_conf = PARALLEL_RU_L1_SPLIT; else if(strcmp(parallel_conf,"PARALLEL_RU_L1_TRX_SPLIT")==0) thread_struct.parallel_conf = PARALLEL_RU_L1_TRX_SPLIT; printf("[CONFIG] parallel conf is set to %d\n",thread_struct.parallel_conf); } void set_worker_conf(char *worker_conf) { if(strcmp(worker_conf,"WORKER_DISABLE")==0) thread_struct.worker_conf = WORKER_DISABLE; else if(strcmp(worker_conf,"WORKER_ENABLE")==0) thread_struct.worker_conf = WORKER_ENABLE; printf("[CONFIG] worker conf is set to %d\n",thread_struct.worker_conf); } PARALLEL_CONF_t get_thread_parallel_conf(void) { return thread_struct.parallel_conf; } WORKER_CONF_t get_thread_worker_conf(void) { return thread_struct.worker_conf; } /* struct for ethernet specific parameters given in eNB conf file */ eth_params_t *eth_params; openair0_config_t openair0_cfg[MAX_CARDS]; double cpuf; extern char uecap_xer[1024]; char uecap_xer_in=0; int oaisim_flag=0; threads_t threads = {-1,-1,-1,-1,-1,-1,-1}; /* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed * this is very hackish - find a proper solution */ uint8_t abstraction_flag=0; /* forward declarations */ void set_default_frame_parms(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]); /*---------------------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; } void print_difftimes(void) { #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 } /*------------------------------------------------------------------------*/ unsigned int build_rflocal(int txi, int txq, int rxi, int rxq) { return (txi + (txq<<6) + (rxi<<12) + (rxq<<18)); } unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe) { return (dcoff_i_rxfe + (dcoff_q_rxfe<<8)); } #if !defined(ENABLE_ITTI) void signal_handler(int sig) { void *array[10]; size_t size; if (sig==SIGSEGV) { // get void*'s for all entries on the stack size = backtrace(array, 10); // print out all the frames to stderr fprintf(stderr, "Error: signal %d:\n", sig); backtrace_symbols_fd(array, size, 2); exit(-1); } else { printf("trying to exit gracefully...\n"); oai_exit = 1; } } #endif #define KNRM "\x1B[0m" #define KRED "\x1B[31m" #define KGRN "\x1B[32m" #define KBLU "\x1B[34m" #define RESET "\033[0m" void exit_function(const char* file, const char* function, const int line, const char* s) { int CC_id; logClean(); if (s != NULL) { printf("%s:%d %s() Exiting OAI softmodem: %s\n",file,line, function, s); } oai_exit = 1; for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { if (PHY_vars_UE_g) if (PHY_vars_UE_g[0]) if (PHY_vars_UE_g[0][CC_id]) if (PHY_vars_UE_g[0][CC_id]->rfdevice.trx_end_func) PHY_vars_UE_g[0][CC_id]->rfdevice.trx_end_func(&PHY_vars_UE_g[0][CC_id]->rfdevice); } sleep(1); //allow lte-softmodem threads to exit first #if defined(ENABLE_ITTI) itti_terminate_tasks (TASK_UNKNOWN); #endif exit(1); } #ifdef XFORMS void reset_stats(FL_OBJECT *button, long arg) { int i,j,k; PHY_VARS_eNB *phy_vars_eNB = RC.eNB[0][0]; for (i=0; i<NUMBER_OF_UE_MAX; i++) { for (k=0; k<8; k++) { //harq_processes for (j=0; j<phy_vars_eNB->dlsch[i][0]->Mlimit; j++) { phy_vars_eNB->UE_stats[i].dlsch_NAK[k][j]=0; phy_vars_eNB->UE_stats[i].dlsch_ACK[k][j]=0; phy_vars_eNB->UE_stats[i].dlsch_trials[k][j]=0; } phy_vars_eNB->UE_stats[i].dlsch_l2_errors[k]=0; phy_vars_eNB->UE_stats[i].ulsch_errors[k]=0; phy_vars_eNB->UE_stats[i].ulsch_consecutive_errors=0; phy_vars_eNB->UE_stats[i].dlsch_sliding_cnt=0; phy_vars_eNB->UE_stats[i].dlsch_NAK_round0=0; phy_vars_eNB->UE_stats[i].dlsch_mcs_offset=0; } } } static void *scope_thread(void *arg) { char stats_buffer[16384]; # ifdef ENABLE_XFORMS_WRITE_STATS FILE *UE_stats, *eNB_stats; # endif struct sched_param sched_param; sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1; sched_setscheduler(0, SCHED_FIFO,&sched_param); printf("Scope thread has priority %d\n",sched_param.sched_priority); # ifdef ENABLE_XFORMS_WRITE_STATS UE_stats = fopen("UE_stats.txt", "w"); #endif while (!oai_exit) { // dump_ue_stats (PHY_vars_UE_g[0][0], &PHY_vars_UE_g[0][0]->proc.proc_rxtx[0],stats_buffer, 0, mode,rx_input_level_dBm); //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); phy_scope_UE(form_ue[0], PHY_vars_UE_g[0][0], 0, 0,7); usleep(10000); // printf("%s",stats_buffer); } # ifdef ENABLE_XFORMS_WRITE_STATS if (UE_stats) { rewind (UE_stats); fwrite (stats_buffer, 1, len, UE_stats); fclose (UE_stats); } # endif pthread_exit((void*)arg); } #endif #if defined(ENABLE_ITTI) void *l2l1_task(void *arg) { MessageDef *message_p = NULL; int result; itti_set_task_real_time(TASK_L2L1); itti_mark_task_ready(TASK_L2L1); 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; case MESSAGE_TEST: LOG_I(SIM, "Received %s\n", ITTI_MSG_NAME(message_p)); break; default: LOG_E(SIM, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p)); break; } result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p); AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); } while(!oai_exit); return NULL; } #endif extern int16_t dlsch_demod_shift; static void get_options(unsigned int *start_msc) { int CC_id; int tddflag, nonbiotflag; char *loopfile=NULL; int dumpframe; uint32_t online_log_messages; uint32_t glog_level; uint32_t start_telnetsrv; paramdef_t cmdline_params[] =CMDLINE_PARAMS_DESC ; paramdef_t cmdline_logparams[] =CMDLINE_LOGPARAMS_DESC ; set_default_frame_parms(frame_parms); CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP); config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL); if (strlen(in_path) > 0) { opt_type = OPT_PCAP; opt_enabled=1; printf("Enabling OPT for PCAP with the following file %s \n",in_path); } if (strlen(in_ip) > 0) { opt_enabled=1; opt_type = OPT_WIRESHARK; printf("Enabling OPT for wireshark for local interface"); } config_process_cmdline( cmdline_logparams,sizeof(cmdline_logparams)/sizeof(paramdef_t),NULL); if(config_isparamset(cmdline_logparams,CMDLINE_ONLINELOG_IDX)) { set_glog_onlinelog(online_log_messages); } if(config_isparamset(cmdline_logparams,CMDLINE_GLOGLEVEL_IDX)) { set_glog(glog_level); } if (start_telnetsrv) { load_module_shlib("telnetsrv",NULL,0,NULL); } paramdef_t cmdline_uemodeparams[] =CMDLINE_UEMODEPARAMS_DESC; paramdef_t cmdline_ueparams[] =CMDLINE_UEPARAMS_DESC; config_process_cmdline( cmdline_uemodeparams,sizeof(cmdline_uemodeparams)/sizeof(paramdef_t),NULL); CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP); config_process_cmdline( cmdline_ueparams,sizeof(cmdline_ueparams)/sizeof(paramdef_t),NULL); if (loopfile != NULL) { printf("Input file for hardware emulation: %s",loopfile); mode=loop_through_memory; input_fd = fopen(loopfile,"r"); AssertFatal(input_fd != NULL,"Please provide a valid input file\n"); } if ( (cmdline_uemodeparams[CMDLINE_CALIBUERX_IDX].paramflags & PARAMFLAG_PARAMSET) != 0) mode = rx_calib_ue; if ( (cmdline_uemodeparams[CMDLINE_CALIBUERXMED_IDX].paramflags & PARAMFLAG_PARAMSET) != 0) mode = rx_calib_ue_med; if ( (cmdline_uemodeparams[CMDLINE_CALIBUERXBYP_IDX].paramflags & PARAMFLAG_PARAMSET) != 0) mode = rx_calib_ue_byp; if (cmdline_uemodeparams[CMDLINE_DEBUGUEPRACH_IDX].uptr) if ( *(cmdline_uemodeparams[CMDLINE_DEBUGUEPRACH_IDX].uptr) > 0) mode = debug_prach; if (cmdline_uemodeparams[CMDLINE_NOL2CONNECT_IDX].uptr) if ( *(cmdline_uemodeparams[CMDLINE_NOL2CONNECT_IDX].uptr) > 0) mode = no_L2_connect; if (cmdline_uemodeparams[CMDLINE_CALIBPRACHTX_IDX].uptr) if ( *(cmdline_uemodeparams[CMDLINE_CALIBPRACHTX_IDX].uptr) > 0) mode = calib_prach_tx; if (dumpframe > 0) mode = rx_dump_frame; for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0]; } UE_scan=0; if (tddflag > 0) { for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) frame_parms[CC_id]->frame_type = TDD; } if (frame_parms[0]->N_RB_DL !=0) { if ( frame_parms[0]->N_RB_DL < 6 ) { frame_parms[0]->N_RB_DL = 6; printf ( "%i: Invalid number of ressource blocks, adjusted to 6\n",frame_parms[0]->N_RB_DL); } if ( frame_parms[0]->N_RB_DL > 100 ) { frame_parms[0]->N_RB_DL = 100; printf ( "%i: Invalid number of ressource blocks, adjusted to 100\n",frame_parms[0]->N_RB_DL); } if ( frame_parms[0]->N_RB_DL > 50 && frame_parms[0]->N_RB_DL < 100 ) { frame_parms[0]->N_RB_DL = 50; printf ( "%i: Invalid number of ressource blocks, adjusted to 50\n",frame_parms[0]->N_RB_DL); } if ( frame_parms[0]->N_RB_DL > 25 && frame_parms[0]->N_RB_DL < 50 ) { frame_parms[0]->N_RB_DL = 25; printf ( "%i: Invalid number of ressource blocks, adjusted to 25\n",frame_parms[0]->N_RB_DL); } UE_scan = 0; frame_parms[0]->N_RB_UL=frame_parms[0]->N_RB_DL; for (CC_id=1; CC_id<MAX_NUM_CCs; CC_id++) { frame_parms[CC_id]->N_RB_DL=frame_parms[0]->N_RB_DL; frame_parms[CC_id]->N_RB_UL=frame_parms[0]->N_RB_UL; } } for (CC_id=1;CC_id<MAX_NUM_CCs;CC_id++) { rx_gain[0][CC_id] = rx_gain[0][0]; tx_gain[0][CC_id] = tx_gain[0][0]; } /* if ( !(CONFIG_ISFLAGSET(CONFIG_ABORT)) && (!(CONFIG_ISFLAGSET(CONFIG_NOOOPT))) ) { // Here the configuration file is the XER encoded UE capabilities // Read it in and store in asn1c data structures sprintf(uecap_xer,"%stargets/PROJECTS/GENERIC-LTE-EPC/CONF/UE_config.xml",getenv("OPENAIR_HOME")); printf("%s\n",uecap_xer); if(nfapi_mode!=3) uecap_xer_in=1; } *//* UE with config file */ if(parallel_config != NULL) set_parallel_conf(parallel_config); if(worker_config != NULL) set_worker_conf(worker_config); } void set_default_frame_parms(LTE_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) { int CC_id; for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { 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 */ frame_parms[CC_id]->frame_type = FDD; frame_parms[CC_id]->tdd_config = 3; frame_parms[CC_id]->tdd_config_S = 0; frame_parms[CC_id]->N_RB_DL = 100; frame_parms[CC_id]->N_RB_UL = 100; frame_parms[CC_id]->Ncp = NORMAL; frame_parms[CC_id]->Ncp_UL = NORMAL; frame_parms[CC_id]->Nid_cell = 0; frame_parms[CC_id]->num_MBSFN_config = 0; frame_parms[CC_id]->nb_antenna_ports_eNB = 1; frame_parms[CC_id]->nb_antennas_tx = 1; frame_parms[CC_id]->nb_antennas_rx = 1; frame_parms[CC_id]->nushift = 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; frame_parms[CC_id]->prach_config_common.rootSequenceIndex=22; frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1; frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0; frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.highSpeedFlag=0; frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0; downlink_frequency[CC_id][0] = DEFAULT_DLF; // 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]; frame_parms[CC_id]->dl_CarrierFreq=downlink_frequency[CC_id][0]; } } void init_openair0(LTE_DL_FRAME_PARMS *frame_parms,int rxgain) { int card; int i; for (card=0; card<MAX_CARDS; card++) { openair0_cfg[card].mmapped_dma=mmapped_dma; openair0_cfg[card].configFilename = NULL; if(frame_parms->N_RB_DL == 100) { if (frame_parms->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; } } else if(frame_parms->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->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->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; } if (frame_parms->frame_type==TDD) openair0_cfg[card].duplex_mode = duplex_mode_TDD; else //FDD openair0_cfg[card].duplex_mode = duplex_mode_FDD; openair0_cfg[card].Mod_id = 0; openair0_cfg[card].num_rb_dl=frame_parms->N_RB_DL; openair0_cfg[card].clock_source = clock_source; openair0_cfg[card].tx_num_channels=min(2,frame_parms->nb_antennas_tx); openair0_cfg[card].rx_num_channels=min(2,frame_parms->nb_antennas_rx); for (i=0; i<4; i++) { if (i<openair0_cfg[card].tx_num_channels) openair0_cfg[card].tx_freq[i] = downlink_frequency[0][i]+uplink_frequency_offset[0][i]; else openair0_cfg[card].tx_freq[i]=0.0; if (i<openair0_cfg[card].rx_num_channels) openair0_cfg[card].rx_freq[i] = downlink_frequency[0][i]; else openair0_cfg[card].rx_freq[i]=0.0; openair0_cfg[card].autocal[i] = 1; openair0_cfg[card].tx_gain[i] = tx_gain[0][i]; openair0_cfg[card].rx_gain[i] = rxgain - rx_gain_off; openair0_cfg[card].configFilename = rf_config_file; 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]); } if (usrp_args) openair0_cfg[card].sdr_addrs = usrp_args; if (usrp_clksrc) { if (strcmp(usrp_clksrc, "internal") == 0) { openair0_cfg[card].clock_source = internal; LOG_D(PHY, "USRP clock source set as internal\n"); } else if (strcmp(usrp_clksrc, "external") == 0) { openair0_cfg[card].clock_source = external; LOG_D(PHY, "USRP clock source set as external\n"); } else if (strcmp(usrp_clksrc, "gpsdo") == 0) { openair0_cfg[card].clock_source = gpsdo; LOG_D(PHY, "USRP clock source set as gpsdo\n"); } else { openair0_cfg[card].clock_source = internal; LOG_I(PHY, "USRP clock source unknown ('%s'). defaulting to internal\n", usrp_clksrc); } } else { openair0_cfg[card].clock_source = internal; LOG_I(PHY, "USRP clock source not specified. defaulting to internal\n"); } } } #if defined(ENABLE_ITTI) /* * helper function to terminate a certain ITTI task */ void terminate_task(task_id_t task_id, module_id_t mod_id) { LOG_I(ENB_APP, "sending TERMINATE_MESSAGE to task %s (%d)\n", itti_get_task_name(task_id), task_id); MessageDef *msg; msg = itti_alloc_new_message (ENB_APP, TERMINATE_MESSAGE); itti_send_msg_to_task (task_id, ENB_MODULE_ID_TO_INSTANCE(mod_id), msg); } #endif static inline void wait_nfapi_init(char *thread_name) { printf( "waiting for NFAPI PNF connection and population of global structure (%s)\n",thread_name); pthread_mutex_lock( &nfapi_sync_mutex ); while (nfapi_sync_var<0) pthread_cond_wait( &nfapi_sync_cond, &nfapi_sync_mutex ); pthread_mutex_unlock(&nfapi_sync_mutex); printf( "NFAPI: got sync (%s)\n", thread_name); } int stop_L1L2(module_id_t enb_id) { return 0; } int restart_L1L2(module_id_t enb_id) { return 0; } int main( int argc, char **argv ) { #if defined (XFORMS) void *status; #endif int CC_id; uint8_t abstraction_flag=0; unsigned int start_msc=0; // Default value for the number of UEs. It will hold, // if not changed from the command line option --num-ues NB_UE_INST=1; #if defined (XFORMS) int ret; #endif start_background_system(); if ( load_configmodule(argc,argv) == NULL) { exit_fun("[SOFTMODEM] Error, configuration module init failed\n"); } mode = normal_txrx; memset(&openair0_cfg[0],0,sizeof(openair0_config_t)*MAX_CARDS); set_latency_target(); logInit(); printf("Reading in command-line options\n"); for (int i=0;i<MAX_NUM_CCs;i++) tx_max_power[i]=23; get_options (&start_msc); printf("~~~~~~~~~~~~~~~~~~~~successfully get the parallel config[%d], worker config [%d] \n", get_thread_parallel_conf(), get_thread_worker_conf()); printf("Running with %d UE instances\n",NB_UE_INST); if (NB_UE_INST > 1 && simL1flag != 1) { printf("Running with more than 1 UE instance and simL1 is not active, this will result in undefined behaviour for now, exiting.\n"); abort(); } printf("NFAPI_MODE value: %d \n", nfapi_mode); // Not sure if the following is needed here /*if (CONFIG_ISFLAGSET(CONFIG_ABORT)) { if (UE_flag == 0) { fprintf(stderr,"Getting configuration failed\n"); exit(-1); } else { printf("Setting nfapi mode to UE_STUB_OFFNET\n"); nfapi_mode = 4; } }*/ #if T_TRACER T_Config_Init(); #endif //randominit (0); set_taus_seed (0); cpuf=get_cpu_freq_GHz(); pthread_cond_init(&sync_cond,NULL); pthread_mutex_init(&sync_mutex, NULL); #if defined(ENABLE_ITTI) printf("ITTI init\n"); itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info); // initialize mscgen log after ITTI if (start_msc) { load_module_shlib("msc",NULL,0,&msc_interface); } MSC_INIT(MSC_E_UTRAN, THREAD_MAX+TASK_MAX); #endif if (opt_type != OPT_NONE) { if (init_opt(in_path, in_ip) == -1) LOG_E(OPT,"failed to run OPT \n"); } #ifdef PDCP_USE_NETLINK printf("PDCP netlink\n"); netlink_init(); #if defined(PDCP_USE_NETLINK_QUEUES) pdcp_netlink_init(); #endif #endif //TTN for D2D #if (RRC_VERSION >= MAKE_VERSION(14, 0, 0)) printf ("RRC control socket\n"); rrc_control_socket_init(); printf ("PDCP PC5S socket\n"); pdcp_pc5_socket_init(); #endif #if !defined(ENABLE_ITTI) // to make a graceful exit when ctrl-c is pressed signal(SIGSEGV, signal_handler); signal(SIGINT, signal_handler); #endif check_clock(); #ifndef PACKAGE_VERSION # define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL" #endif LOG_I(HW, "Version: %s\n", PACKAGE_VERSION); // init the parameters for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { frame_parms[CC_id]->nb_antennas_tx = nb_antenna_tx; frame_parms[CC_id]->nb_antennas_rx = nb_antenna_rx; frame_parms[CC_id]->nb_antenna_ports_eNB = 1; //initial value overwritten by initial sync later } NB_INST=1; if(nfapi_mode == 3){ PHY_vars_UE_g = malloc(sizeof(PHY_VARS_UE**)*NB_UE_INST); for (int i=0; i<NB_UE_INST; i++) { for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { PHY_vars_UE_g[i] = malloc(sizeof(PHY_VARS_UE*)*MAX_NUM_CCs); PHY_vars_UE_g[i][CC_id] = init_ue_vars(frame_parms[CC_id], i,abstraction_flag); if (phy_test==1) PHY_vars_UE_g[i][CC_id]->mac_enabled = 0; else PHY_vars_UE_g[i][CC_id]->mac_enabled = 1; } } } else init_openair0(frame_parms[0],(int)rx_gain[0][0]); if (simL1flag==1) { AssertFatal(NULL!=load_configmodule(argc,argv), "[SOFTMODEM] Error, configuration module init failed\n"); RCConfig_sim(); } // start the main UE threads int eMBMS_active = 0; if (nfapi_mode==3) // UE-STUB-PNF { config_sync_var=0; wait_nfapi_init("main?"); //Panos: Temporarily we will be using single set of threads for multiple UEs. //init_UE_stub(1,eMBMS_active,uecap_xer_in,emul_iface); init_UE_stub_single_thread(NB_UE_INST,eMBMS_active,uecap_xer_in,emul_iface); } else { init_UE(NB_UE_INST,eMBMS_active,uecap_xer_in,0,phy_test,UE_scan,UE_scan_carrier,mode,(int)rx_gain[0][0],tx_max_power[0], frame_parms[0]); } if (phy_test==0) { printf("Filling UE band info\n"); fill_ue_band_info(); dl_phy_sync_success (0, 0, 0, 1); } if (nfapi_mode!=3){ number_of_cards = 1; for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { PHY_vars_UE_g[0][CC_id]->rf_map.card=0; PHY_vars_UE_g[0][CC_id]->rf_map.chain=CC_id+chain_offset; } } cpuf=get_cpu_freq_GHz(); #if 0 // #ifndef DEADLINE_SCHEDULER printf("NO deadline scheduler\n"); /* Currently we set affinity for UHD to CPU 0 for eNB/UE and only if number of CPUS >2 */ cpu_set_t cpuset; int s; char cpu_affinity[1024]; CPU_ZERO(&cpuset); #ifdef CPU_AFFINITY int j; if (get_nprocs() > 2) { for (j = 2; j < get_nprocs(); j++) 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"); } LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n"); } #endif /* 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); } } LOG_I(HW, "CPU Affinity of main() function is... %s\n", cpu_affinity); #endif #if defined(ENABLE_ITTI) if (create_tasks_ue(1) < 0) { printf("cannot create ITTI tasks\n"); exit(-1); // need a softer mode } if(nfapi_mode==3){ // Here we should add another nfapi_mode for the case of Supervised LTE-D2D UE_config_stub_pnf(); } printf("ITTI tasks created\n"); #endif mlockall(MCL_CURRENT | MCL_FUTURE); rt_sleep_ns(10*100000000ULL); const char *nfapi_mode_str = "<UNKNOWN>"; switch(nfapi_mode) { case 0: nfapi_mode_str = "MONOLITHIC"; break; case 1: nfapi_mode_str = "PNF"; break; case 2: nfapi_mode_str = "VNF"; break; case 3: nfapi_mode_str = "UE_STUB_PNF"; break; case 4: nfapi_mode_str = "UE_STUB_OFFNET"; break; default: nfapi_mode_str = "<UNKNOWN NFAPI MODE>"; break; } printf("NFAPI MODE:%s\n", nfapi_mode_str); // connect the TX/RX buffers /* if(nfapi_mode!=3) { if (setup_ue_buffers(PHY_vars_UE_g[0],&openair0_cfg[0])!=0) { printf("Error setting up eNB buffer\n"); exit(-1); } } */ if (input_fd) { printf("Reading in from file to antenna buffer %d\n",0); if (fread(PHY_vars_UE_g[0][0]->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"); } //p_exmimo_config->framing.tdd_config = TXRXSWITCH_TESTRX; if (simL1flag==1) { init_ocm((double)snr_dB,0); PHY_vars_UE_g[0][0]->no_timing_correction = 1; } #ifdef XFORMS int UE_id; printf("XFORMS\n"); if (do_forms==1) { fl_initialize (&argc, argv, NULL, 0, 0); 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); /* if (openair_daq_vars.use_ia_receiver) { 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"); }*/ fl_set_button(form_ue[UE_id]->button_0,0); fl_set_object_label(form_ue[UE_id]->button_0, "IA Receiver OFF"); ret = pthread_create(&forms_thread, NULL, scope_thread, NULL); if (ret == 0) pthread_setname_np( forms_thread, "xforms" ); printf("Scope thread created, ret=%d\n",ret); } #endif printf("Sending sync to all threads (%p,%p,%p)\n",&sync_var,&sync_cond,&sync_mutex); pthread_mutex_lock(&sync_mutex); sync_var=0; pthread_cond_broadcast(&sync_cond); pthread_mutex_unlock(&sync_mutex); printf("sync sent\n"); /* printf("About to call end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__); end_configmodule(); printf("Called end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__); */ // wait for end of program printf("TYPE <CTRL-C> TO TERMINATE\n"); //getchar(); #if defined(ENABLE_ITTI) printf("Entering ITTI signals handler\n"); itti_wait_tasks_end(); printf("Returned from ITTI signal handler\n"); oai_exit=1; printf("oai_exit=%d\n",oai_exit); #else while (oai_exit==0) rt_sleep_ns(100000000ULL); printf("Terminating application - oai_exit=%d\n",oai_exit); #endif // stop threads #ifdef XFORMS printf("waiting for XFORMS thread\n"); if (do_forms==1) { pthread_join(forms_thread,&status); fl_hide_form(form_stats->stats_form); fl_free_form(form_stats->stats_form); fl_hide_form(form_ue[0]->lte_phy_scope_ue); fl_free_form(form_ue[0]->lte_phy_scope_ue); } #endif printf("stopping MODEM threads\n"); pthread_cond_destroy(&sync_cond); pthread_mutex_destroy(&sync_mutex); // pthread_mutex_destroy(&ue_pf_po_mutex); // *** Handle per CC_id openair0 if (PHY_vars_UE_g[0][0]->rfdevice.trx_end_func) PHY_vars_UE_g[0][0]->rfdevice.trx_end_func(&PHY_vars_UE_g[0][0]->rfdevice); if (opt_enabled == 1) terminate_opt(); logClean(); printf("Bye.\n"); return 0; }