/* * 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 */ #define _GNU_SOURCE /* See feature_test_macros(7) */ #include <sched.h> #include "T.h" #include "assertions.h" #include "PHY/types.h" #include "PHY/defs_nr_UE.h" #include "SCHED_NR_UE/defs.h" #include "common/ran_context.h" #include "common/config/config_userapi.h" //#include "common/utils/threadPool/thread-pool.h" #include "common/utils/load_module_shlib.h" //#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 "openair1/PHY/MODULATION/nr_modulation.h" #include "PHY/phy_vars_nr_ue.h" #include "PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h" #include "SCHED/sched_common_vars.h" #include "PHY/MODULATION/modulation_vars.h" #include "PHY/NR_TRANSPORT/nr_dlsch.h" //#include "../../SIMU/USER/init_lte.h" #include "LAYER2/MAC/mac_vars.h" #include "RRC/LTE/rrc_vars.h" #include "PHY_INTERFACE/phy_interface_vars.h" #include "openair1/SIMULATION/TOOLS/sim.h" #ifdef SMBV #include "PHY/TOOLS/smbv.h" unsigned short config_frames[4] = {2,9,11,13}; #endif #include "common/utils/LOG/log.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 #include "intertask_interface.h" #include "PHY/INIT/phy_init.h" #include "system.h" #include <openair2/RRC/NR_UE/rrc_proto.h> #include <openair2/LAYER2/NR_MAC_UE/mac_defs.h> #include <openair2/LAYER2/NR_MAC_UE/mac_proto.h> #include <openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.h> #include <openair1/SCHED_NR_UE/fapi_nr_ue_l1.h> /* Callbacks, globals and object handlers */ //#include "stats.h" // current status is that every UE has a DL scope for a SINGLE eNB (eNB_id=0) #include "PHY/TOOLS/phy_scope_interface.h" #include "PHY/TOOLS/nr_phy_scope.h" #define NRUE_MAIN #include <executables/nr-uesoftmodem.h> #include "executables/softmodem-common.h" #include "executables/thread-common.h" extern const char *duplex_mode[]; // Thread variables pthread_cond_t nfapi_sync_cond; pthread_mutex_t nfapi_sync_mutex; int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex uint16_t sf_ahead=6; //??? value ??? 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; RAN_CONTEXT_t RC; volatile int start_eNB = 0; volatile int start_UE = 0; volatile int oai_exit = 0; extern int16_t nr_dlsch_demod_shift; static int tx_max_power[MAX_NUM_CCs] = {0}; int single_thread_flag = 1; int threequarter_fs = 0; int UE_scan_carrier = 0; int UE_fo_compensation = 0; int UE_no_timing_correction = 0; int N_RB_DL = 0; int tddflag = 0; int vcdflag = 0; uint8_t nb_antenna_tx = 1; uint8_t nb_antenna_rx = 1; double rx_gain_off = 0.0; uint32_t timing_advance = 0; char *usrp_args = NULL; char *rrc_config_path = NULL; int dumpframe = 0; uint64_t downlink_frequency[MAX_NUM_CCs][4]; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; int rx_input_level_dBm; #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] = {{110,0,0,0}}; #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] = {{110,0,0,0},{20,0,0,0}}; #endif // UE and OAI config variables openair0_config_t openair0_cfg[MAX_CARDS]; int16_t node_synch_ref[MAX_NUM_CCs]; int otg_enabled; double cpuf; runmode_t mode = normal_txrx; int UE_scan = 0; int chain_offset = 0; int card_offset = 0; uint64_t num_missed_slots = 0; // counter for the number of missed slots int transmission_mode = 1; int numerology = 0; int usrp_tx_thread = 0; int oaisim_flag = 0; int emulate_rf = 0; char uecap_xer[1024],uecap_xer_in=0; /* 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; /*---------------------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) { LOG_I(HW,"difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec); } void exit_function(const char *file, const char *function, const int line, const char *s) { int CC_id; if (s != NULL) { printf("%s:%d %s() Exiting OAI softmodem: %s\n",file,line, function, s); } oai_exit = 1; if (PHY_vars_UE_g && PHY_vars_UE_g[0]) { for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { if (PHY_vars_UE_g[0][CC_id] && 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 exit(1); } uint64_t get_nrUE_optmask(void) { return nrUE_params.optmask; } uint64_t set_nrUE_optmask(uint64_t bitmask) { nrUE_params.optmask = nrUE_params.optmask | bitmask; return nrUE_params.optmask; } nrUE_params_t *get_nrUE_params(void) { return &nrUE_params; } /* initialie thread pools used for NRUE processing paralleliation */ void init_tpools(uint8_t nun_dlsch_threads) { initTpool("-1,-1", &(nrUE_params.Tpool), false); init_dlsch_tpool(nrUE_params.nr_dlsch_parallel); } static void get_options(void) { char *loopfile=NULL; paramdef_t cmdline_params[] =CMDLINE_PARAMS_DESC_UE ; config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL); paramdef_t cmdline_uemodeparams[] = CMDLINE_UEMODEPARAMS_DESC; paramdef_t cmdline_ueparams[] = CMDLINE_NRUEPARAMS_DESC; config_process_cmdline( cmdline_uemodeparams,sizeof(cmdline_uemodeparams)/sizeof(paramdef_t),NULL); config_process_cmdline( cmdline_ueparams,sizeof(cmdline_ueparams)/sizeof(paramdef_t),NULL); 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 ((cmdline_uemodeparams[CMDLINE_DUMPMEMORY_IDX].paramflags & PARAMFLAG_PARAMSET) != 0) mode = rx_dump_frame; if (vcdflag > 0) ouput_vcd = 1; 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); uecap_xer_in=1; } /* UE with config file */ init_tpools(nrUE_params.nr_dlsch_parallel); } // set PHY vars from command line void set_options(int CC_id, PHY_VARS_NR_UE *UE){ // Init power variables tx_max_power[CC_id] = tx_max_power[0]; rx_gain[0][CC_id] = rx_gain[0][0]; tx_gain[0][CC_id] = tx_gain[0][0]; // Set UE variables UE->UE_scan = UE_scan; UE->UE_scan_carrier = UE_scan_carrier; UE->UE_fo_compensation = UE_fo_compensation; UE->no_timing_correction = UE_no_timing_correction; UE->mode = mode; UE->rx_total_gain_dB = (int)rx_gain[CC_id][0] + rx_gain_off; UE->tx_total_gain_dB = (int)tx_gain[CC_id][0]; UE->tx_power_max_dBm = tx_max_power[CC_id]; UE->rf_map.card = card_offset; UE->rf_map.chain = CC_id + chain_offset; UE->timing_advance = timing_advance; LOG_I(PHY,"Set UE mode %d, UE_fo_compensation %d, UE_scan %d, UE_scan_carrier %d, UE_no_timing_correction %d \n", mode, UE_fo_compensation, UE_scan, UE_scan_carrier, UE_no_timing_correction); // Set FP variables NR_DL_FRAME_PARMS *fp = &UE->frame_parms; fp->nb_antennas_tx = nb_antenna_tx; fp->nb_antennas_rx = nb_antenna_rx; fp->threequarter_fs = threequarter_fs; if (tddflag){ fp->frame_type = TDD; LOG_I(PHY, "Set UE frame_type %d\n", fp->frame_type); } if (N_RB_DL){ fp->N_RB_DL = N_RB_DL; LOG_I(PHY, "Set UE N_RB_DL %d\n", N_RB_DL); } LOG_I(PHY, "Set UE nb_rx_antenna %d, nb_tx_antenna %d, threequarter_fs %d\n", nb_antenna_rx, nb_antenna_tx, threequarter_fs); } void init_openair0(void) { int card; int freq_off = 0; NR_DL_FRAME_PARMS *frame_parms = &PHY_vars_UE_g[0][0]->frame_parms; for (card=0; card<MAX_CARDS; card++) { uint64_t dl_carrier, ul_carrier; openair0_cfg[card].configFilename = NULL; openair0_cfg[card].threequarter_fs = frame_parms->threequarter_fs; numerology = frame_parms->numerology_index; if(frame_parms->N_RB_DL == 66) { if (numerology==3) { openair0_cfg[card].sample_rate=122.88e6; openair0_cfg[card].samples_per_frame = 1228800; } else { LOG_E(PHY,"Unsupported numerology! FR2 supports only 120KHz SCS for now.\n"); exit(-1); } }else if(frame_parms->N_RB_DL == 32) { if (numerology==3) { openair0_cfg[card].sample_rate=61.44e6; openair0_cfg[card].samples_per_frame = 614400; } else { LOG_E(PHY,"Unsupported numerology! FR2 supports only 120KHz SCS for now.\n"); exit(-1); } }else if(frame_parms->N_RB_DL == 217) { if (numerology==1) { if (frame_parms->threequarter_fs) { openair0_cfg[card].sample_rate=92.16e6; openair0_cfg[card].samples_per_frame = 921600; } else { openair0_cfg[card].sample_rate=122.88e6; openair0_cfg[card].samples_per_frame = 1228800; } } else { LOG_E(PHY,"Unsupported numerology!\n"); exit(-1); } } else if(frame_parms->N_RB_DL == 273) { if (numerology==1) { if (frame_parms->threequarter_fs) { AssertFatal(0 == 1,"three quarter sampling not supported for N_RB 273\n"); } else { openair0_cfg[card].sample_rate=122.88e6; openair0_cfg[card].samples_per_frame = 1228800; } } else { LOG_E(PHY,"Unsupported numerology!\n"); exit(-1); } } else if(frame_parms->N_RB_DL == 106) { if (numerology==0) { if (frame_parms->threequarter_fs) { openair0_cfg[card].sample_rate=23.04e6; openair0_cfg[card].samples_per_frame = 230400; } else { openair0_cfg[card].sample_rate=30.72e6; openair0_cfg[card].samples_per_frame = 307200; } } else if (numerology==1) { if (frame_parms->threequarter_fs) { openair0_cfg[card].sample_rate=46.08e6; openair0_cfg[card].samples_per_frame = 460800; } else { openair0_cfg[card].sample_rate=61.44e6; openair0_cfg[card].samples_per_frame = 614400; } } else if (numerology==2) { openair0_cfg[card].sample_rate=122.88e6; openair0_cfg[card].samples_per_frame = 1228800; } else { LOG_E(PHY,"Unsupported numerology!\n"); exit(-1); } } else if(frame_parms->N_RB_DL == 50) { openair0_cfg[card].sample_rate=15.36e6; openair0_cfg[card].samples_per_frame = 153600; } else if (frame_parms->N_RB_DL == 25) { openair0_cfg[card].sample_rate=7.68e6; openair0_cfg[card].samples_per_frame = 76800; } else if (frame_parms->N_RB_DL == 6) { openair0_cfg[card].sample_rate=1.92e6; openair0_cfg[card].samples_per_frame = 19200; } else { LOG_E(PHY,"Unknown NB_RB %d!\n",frame_parms->N_RB_DL); exit(-1); } if (frame_parms->frame_type==TDD) openair0_cfg[card].duplex_mode = duplex_mode_TDD; else 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 = get_softmodem_params()->clock_source; openair0_cfg[card].time_source = get_softmodem_params()->timing_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); LOG_I(PHY, "HW: Configuring card %d, tx/rx num_channels %d/%d, duplex_mode %s\n", card, openair0_cfg[card].tx_num_channels, openair0_cfg[card].rx_num_channels, duplex_mode[openair0_cfg[card].duplex_mode]); nr_get_carrier_frequencies(frame_parms, &dl_carrier, &ul_carrier); nr_rf_card_config(&openair0_cfg[card], rx_gain_off, ul_carrier, dl_carrier, freq_off); openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file; if (usrp_args) openair0_cfg[card].sdr_addrs = usrp_args; } } void init_pdcp(void) { uint32_t pdcp_initmask = (!IS_SOFTMODEM_NOS1) ? LINK_ENB_PDCP_TO_GTPV1U_BIT : (LINK_ENB_PDCP_TO_GTPV1U_BIT | PDCP_USE_NETLINK_BIT | LINK_ENB_PDCP_TO_IP_DRIVER_BIT); /*if (IS_SOFTMODEM_BASICSIM || IS_SOFTMODEM_RFSIM || (nfapi_getmode()==NFAPI_UE_STUB_PNF)) { pdcp_initmask = pdcp_initmask | UE_NAS_USE_TUN_BIT; }*/ if (IS_SOFTMODEM_NOKRNMOD) pdcp_initmask = pdcp_initmask | UE_NAS_USE_TUN_BIT; /*if (rlc_module_init() != 0) { LOG_I(RLC, "Problem at RLC initiation \n"); } pdcp_layer_init(); nr_DRB_preconfiguration();*/ pdcp_module_init(pdcp_initmask); pdcp_set_rlc_data_req_func((send_rlc_data_req_func_t) rlc_data_req); pdcp_set_pdcp_data_ind_func((pdcp_data_ind_func_t) pdcp_data_ind); LOG_I(PDCP, "Before getting out from init_pdcp() \n"); } // Stupid function addition because UE itti messages queues definition is common with eNB void *rrc_enb_process_msg(void *notUsed) { return NULL; } int main( int argc, char **argv ) { //uint8_t beta_ACK=0,beta_RI=0,beta_CQI=2; PHY_VARS_NR_UE *UE[MAX_NUM_CCs]; start_background_system(); if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == NULL) { exit_fun("[SOFTMODEM] Error, configuration module init failed\n"); } set_softmodem_sighandler(); CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP); memset(openair0_cfg,0,sizeof(openair0_config_t)*MAX_CARDS); memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs); // initialize logging logInit(); // get options and fill parameters from configuration file get_options (); //Command-line options specific for NRUE get_common_options(SOFTMODEM_5GUE_BIT ); CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP); #if T_TRACER T_Config_Init(); #endif //randominit (0); set_taus_seed (0); cpuf=get_cpu_freq_GHz(); itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info); init_opt() ; load_nrLDPClib(); if (ouput_vcd) { vcd_signal_dumper_init("/tmp/openair_dump_nrUE.vcd"); } #ifndef PACKAGE_VERSION # define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL" #endif LOG_I(HW, "Version: %s\n", PACKAGE_VERSION); init_NR_UE(1,rrc_config_path); if(IS_SOFTMODEM_NOS1) init_pdcp(); NB_UE_INST=1; NB_INST=1; PHY_vars_UE_g = malloc(sizeof(PHY_VARS_NR_UE **)); PHY_vars_UE_g[0] = malloc(sizeof(PHY_VARS_NR_UE *)*MAX_NUM_CCs); if (get_softmodem_params()->do_ra) AssertFatal(get_softmodem_params()->phy_test == 0,"RA and phy_test are mutually exclusive\n"); for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { PHY_vars_UE_g[0][CC_id] = (PHY_VARS_NR_UE *)malloc(sizeof(PHY_VARS_NR_UE)); UE[CC_id] = PHY_vars_UE_g[0][CC_id]; memset(UE[CC_id],0,sizeof(PHY_VARS_NR_UE)); set_options(CC_id, UE[CC_id]); NR_UE_MAC_INST_t *mac = get_mac_inst(0); if(mac->if_module != NULL && mac->if_module->phy_config_request != NULL) mac->if_module->phy_config_request(&mac->phy_config); fapi_nr_config_request_t *nrUE_config = &UE[CC_id]->nrUE_config; nr_init_frame_parms_ue(&UE[CC_id]->frame_parms, nrUE_config, *mac->scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]); init_symbol_rotation(&UE[CC_id]->frame_parms, UE[CC_id]->frame_parms.dl_CarrierFreq); init_nr_ue_vars(UE[CC_id], 0, abstraction_flag); #ifdef FR2_TEST // Overwrite DL frequency (for FR2 testing) if (downlink_frequency[0][0]!=0){ frame_parms[CC_id]->dl_CarrierFreq = downlink_frequency[0][0]; if (frame_parms[CC_id]->frame_type == TDD) frame_parms[CC_id]->ul_CarrierFreq = downlink_frequency[0][0]; } #endif } init_openair0(); // init UE_PF_PO and mutex lock pthread_mutex_init(&ue_pf_po_mutex, NULL); memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*NUMBER_OF_UE_MAX*MAX_NUM_CCs); configure_linux(); mlockall(MCL_CURRENT | MCL_FUTURE); if(IS_SOFTMODEM_DOFORMS) { load_softscope("nr",PHY_vars_UE_g[0][0]); } for(int 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; PHY_vars_UE_g[0][CC_id]->timing_advance = timing_advance; } init_NR_UE_threads(1); config_check_unknown_cmdlineopt(CONFIG_CHECKALLSECTIONS); printf("UE threads created by %ld\n", gettid()); // wait for end of program printf("TYPE <CTRL-C> TO TERMINATE\n"); while(true) sleep(3600); if (ouput_vcd) vcd_signal_dumper_close(); return 0; }