/* * 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" #undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all #include <common/utils/assertions.h> #include "common/oai_version.h" #include "PHY/types.h" #include "common/ran_context.h" #include "PHY/defs_gNB.h" #include "PHY/defs_common.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 "radio/COMMON/common_lib.h" #include "radio/ETHERNET/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.h" #include "RRC/LTE/rrc_vars.h" #include "PHY_INTERFACE/phy_interface_vars.h" #include "gnb_config.h" #include "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 "LAYER2/nr_pdcp/nr_pdcp_oai_api.h" #include "intertask_interface.h" #include "PHY/INIT/nr_phy_init.h" #include "system.h" #include <openair2/GNB_APP/gnb_app.h> #include "PHY/TOOLS/phy_scope_interface.h" #include "PHY/TOOLS/nr_phy_scope.h" #include "nr-softmodem.h" #include "executables/softmodem-common.h" #include "executables/thread-common.h" #include "NB_IoT_interface.h" #include "x2ap_eNB.h" #include "ngap_gNB.h" #include "gnb_paramdef.h" #include <openair3/ocp-gtpu/gtp_itf.h> #include "nfapi/oai_integration/vendor_ext.h" #include "gnb_config.h" #include "openair2/E1AP/e1ap_common.h" #include "LAYER2/NR_MAC_gNB/nr_mac_gNB.h" #ifdef ENABLE_AERIAL #include "nfapi/oai_integration/aerial/fapi_nvIPC.h" #endif #ifdef E2_AGENT #include "openair2/E2AP/flexric/src/agent/e2_agent_api.h" #include "openair2/E2AP/RAN_FUNCTION/init_ran_func.h" #endif pthread_cond_t nfapi_sync_cond; pthread_mutex_t nfapi_sync_mutex; int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex extern uint8_t nfapi_mode; // Default to monolithic mode THREAD_STRUCT thread_struct; 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; volatile int start_gNB = 0; int oai_exit = 0; int NB_UE_INST = 0; static int wait_for_sync = 0; unsigned int mmapped_dma=0; uint64_t downlink_frequency[MAX_NUM_CCs][4]; int32_t uplink_frequency_offset[MAX_NUM_CCs][4]; //Temp fix for inexistent NR upper layer unsigned char NB_gNB_INST = 1; char *uecap_file; runmode_t mode = normal_txrx; #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 double rx_gain_off = 0.0; static int tx_max_power[MAX_NUM_CCs]; /* = {0,0}*/; int chain_offset=0; uint8_t dci_Format = 0; uint8_t nb_antenna_tx = 1; uint8_t nb_antenna_rx = 1; int otg_enabled; extern void *udp_eNB_task(void *args_p); int transmission_mode=1; int emulate_rf = 0; int numerology = 0; /* struct for ethernet specific parameters given in eNB conf file */ eth_params_t *eth_params; double cpuf; /* hack: pdcp_run() is required by 4G scheduler which is compiled into * nr-softmodem because of linker issues */ void pdcp_run(const protocol_ctxt_t *const ctxt_pP) { abort(); } /* forward declarations */ void set_default_frame_parms(nfapi_nr_config_request_scf_t *config[MAX_NUM_CCs], NR_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)); } #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, const int assert) { int ru_id; if (s != NULL) { printf("%s:%d %s() Exiting OAI softmodem: %s\n",file,line, function, s); } oai_exit = 1; if (RC.ru == NULL) exit(-1); // likely init not completed, prevent crash or hang, exit now... for (ru_id=0; ru_id<RC.nb_RU; ru_id++) { if (RC.ru[ru_id] && RC.ru[ru_id]->rfdevice.trx_end_func) { RC.ru[ru_id]->rfdevice.trx_end_func(&RC.ru[ru_id]->rfdevice); RC.ru[ru_id]->rfdevice.trx_end_func = NULL; } if (RC.ru[ru_id] && RC.ru[ru_id]->ifdevice.trx_end_func) { RC.ru[ru_id]->ifdevice.trx_end_func(&RC.ru[ru_id]->ifdevice); RC.ru[ru_id]->ifdevice.trx_end_func = NULL; } } if (assert) { abort(); } else { sleep(1); // allow nr-softmodem threads to exit first exit(EXIT_SUCCESS); } } static int create_gNB_tasks(ngran_node_t node_type, configmodule_interface_t *cfg) { uint32_t gnb_nb = RC.nb_nr_inst; uint32_t gnb_id_start = 0; uint32_t gnb_id_end = gnb_id_start + gnb_nb; LOG_D(GNB_APP, "%s(gnb_nb:%d)\n", __FUNCTION__, gnb_nb); itti_wait_ready(1); LOG_I(PHY, "%s() Task ready initialize structures\n", __FUNCTION__); #ifdef ENABLE_AERIAL AssertFatal(NFAPI_MODE == NFAPI_MODE_AERIAL,"Can only be run with '--nfapi AERIAL' when compiled with AERIAL support, if you want to run other (n)FAPI modes, please run ./build_oai without -w AERIAL"); #endif RCconfig_verify(cfg, node_type); if(NFAPI_MODE != NFAPI_MODE_AERIAL){ RCconfig_nr_prs(); } if (RC.nb_nr_macrlc_inst > 0) RCconfig_nr_macrlc(cfg); LOG_I(PHY, "%s() RC.nb_nr_L1_inst:%d\n", __FUNCTION__, RC.nb_nr_L1_inst); if (RC.nb_nr_L1_inst>0) AssertFatal(l1_north_init_gNB()==0,"could not initialize L1 north interface\n"); AssertFatal (gnb_nb <= RC.nb_nr_inst, "Number of gNB is greater than gNB defined in configuration file (%d/%d)!", gnb_nb, RC.nb_nr_inst); LOG_I(GNB_APP,"Allocating gNB_RRC_INST for %d instances\n",RC.nb_nr_inst); if (RC.nb_nr_inst > 0) { AssertFatal(RC.nb_nr_inst == 1, "multiple RRC instances are not supported\n"); RC.nrrrc = calloc(1, sizeof(*RC.nrrrc)); RC.nrrrc[0] = calloc(1,sizeof(gNB_RRC_INST)); RCconfig_NRRRC(RC.nrrrc[0]); } if (RC.nb_nr_inst > 0 && !get_softmodem_params()->nsa && !(node_type == ngran_gNB_DU)) { // we start pdcp in both cuup (for drb) and cucp (for srb) init_pdcp(); } if (is_x2ap_enabled() ) { //&& !NODE_IS_DU(node_type) LOG_I(X2AP, "X2AP enabled \n"); __attribute__((unused)) uint32_t x2_register_gnb_pending = gNB_app_register_x2 (gnb_id_start, gnb_id_end); } /* For the CU case the gNB registration with the AMF might have to take place after the F1 setup, as the PLMN info * can originate from the DU. Add check on whether x2ap is enabled to account for ENDC NSA scenario.*/ if ((get_softmodem_params()->sa || is_x2ap_enabled()) && !NODE_IS_DU(node_type)) { /* Try to register each gNB */ //registered_gnb = 0; __attribute__((unused)) uint32_t register_gnb_pending = gNB_app_register (gnb_id_start, gnb_id_end); } if (gnb_nb > 0) { if(itti_create_task(TASK_SCTP, sctp_eNB_task, NULL) < 0) { LOG_E(SCTP, "Create task for SCTP failed\n"); return -1; } if (is_x2ap_enabled()) { if(itti_create_task(TASK_X2AP, x2ap_task, NULL) < 0) { LOG_E(X2AP, "Create task for X2AP failed\n"); } } else { LOG_I(X2AP, "X2AP is disabled.\n"); } } if (get_softmodem_params()->sa && !NODE_IS_DU(node_type)) { char* gnb_ipv4_address_for_NGU = NULL; uint32_t gnb_port_for_NGU = 0; char* gnb_ipv4_address_for_S1U = NULL; uint32_t gnb_port_for_S1U = 0; paramdef_t NETParams[] = GNBNETPARAMS_DESC; char aprefix[MAX_OPTNAME_SIZE*2 + 8]; sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG); config_get(cfg, NETParams, sizeofArray(NETParams), aprefix); if (gnb_nb > 0) { if (itti_create_task (TASK_NGAP, ngap_gNB_task, NULL) < 0) { LOG_E(NGAP, "Create task for NGAP failed\n"); return -1; } } } if (gnb_nb > 0) { if (itti_create_task (TASK_GNB_APP, gNB_app_task, NULL) < 0) { LOG_E(GNB_APP, "Create task for gNB APP failed\n"); return -1; } if (!NODE_IS_DU(node_type)) { if (itti_create_task (TASK_RRC_GNB, rrc_gnb_task, NULL) < 0) { LOG_E(NR_RRC, "Create task for NR RRC gNB failed\n"); return -1; } } // E1AP initialisation, whether the node is a CU or has integrated CU if (node_type == ngran_gNB_CU || node_type == ngran_gNB) { MessageDef *msg = RCconfig_NR_CU_E1(NULL); instance_t inst = 0; createE1inst(UPtype, inst, E1AP_REGISTER_REQ(msg).gnb_id, &E1AP_REGISTER_REQ(msg).net_config, NULL); cuup_init_n3(inst); RC.nrrrc[gnb_id_start]->e1_inst = inst; // stupid instance !!!*/ /* send E1 Setup Request to RRC */ MessageDef *new_msg = itti_alloc_new_message(TASK_GNB_APP, 0, E1AP_SETUP_REQ); E1AP_SETUP_REQ(new_msg) = E1AP_REGISTER_REQ(msg).setup_req; new_msg->ittiMsgHeader.originInstance = -1; /* meaning, it is local */ itti_send_msg_to_task(TASK_RRC_GNB, 0 /*unused by callee*/, new_msg); itti_free(TASK_UNKNOWN, msg); } //Use check on x2ap to consider the NSA scenario if((is_x2ap_enabled() || get_softmodem_params()->sa) && (node_type != ngran_gNB_CUCP)) { if (itti_create_task (TASK_GTPV1_U, >pv1uTask, NULL) < 0) { LOG_E(GTPU, "Create task for GTPV1U failed\n"); return -1; } } } return 0; } static void get_options(configmodule_interface_t *cfg) { paramdef_t cmdline_params[] = CMDLINE_PARAMS_DESC_GNB ; CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP); get_common_options(cfg, SOFTMODEM_GNB_BIT); config_process_cmdline(cfg, cmdline_params, sizeofArray(cmdline_params), NULL); CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP); if ( !(CONFIG_ISFLAGSET(CONFIG_ABORT)) ) { memset((void *)&RC,0,sizeof(RC)); /* Read RC configuration file */ NRRCConfig(); NB_gNB_INST = RC.nb_nr_inst; NB_RU = RC.nb_RU; printf("Configuration: nb_rrc_inst %d, nb_nr_L1_inst %d, nb_ru %hhu\n",NB_gNB_INST,RC.nb_nr_L1_inst,NB_RU); } } void set_default_frame_parms(nfapi_nr_config_request_scf_t *config[MAX_NUM_CCs], NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) { for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) { frame_parms[CC_id] = (NR_DL_FRAME_PARMS *) malloc(sizeof(NR_DL_FRAME_PARMS)); config[CC_id] = (nfapi_nr_config_request_scf_t *) malloc(sizeof(nfapi_nr_config_request_scf_t)); config[CC_id]->ssb_config.scs_common.value = 1; config[CC_id]->cell_config.frame_duplex_type.value = 1; //FDD //config[CC_id]->subframe_config.dl_cyclic_prefix_type.value = 0; //NORMAL config[CC_id]->carrier_config.dl_grid_size[1].value = 106; config[CC_id]->carrier_config.ul_grid_size[1].value = 106; config[CC_id]->cell_config.phy_cell_id.value = 0; ///dl frequency to be filled in /* //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_gNB = 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] = 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]; //printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]); frame_parms[CC_id]->dl_CarrierFreq=downlink_frequency[CC_id][0]; */ } } void wait_RUs(void) { LOG_I(PHY,"Waiting for RUs to be configured ... RC.ru_mask:%02lx\n", RC.ru_mask); // wait for all RUs to be configured over fronthaul pthread_mutex_lock(&RC.ru_mutex); while (RC.ru_mask>0) { pthread_cond_wait(&RC.ru_cond,&RC.ru_mutex); printf("RC.ru_mask:%02lx\n", RC.ru_mask); } pthread_mutex_unlock(&RC.ru_mutex); LOG_I(PHY,"RUs configured\n"); } void wait_gNBs(void) { int i; int waiting=1; while (waiting==1) { printf("Waiting for gNB L1 instances to all get configured ... sleeping 50ms (nb_nr_sL1_inst %d)\n",RC.nb_nr_L1_inst); usleep(50*1000); waiting=0; for (i=0; i<RC.nb_nr_L1_inst; i++) { if (RC.gNB[i]->configured==0) { waiting=1; break; } } } printf("gNB L1 are configured\n"); } /* * helper function to terminate a certain ITTI task */ void terminate_task(task_id_t task_id, module_id_t mod_id) { LOG_I(GNB_APP, "sending TERMINATE_MESSAGE to task %s (%d)\n", itti_get_task_name(task_id), task_id); MessageDef *msg; msg = itti_alloc_new_message (TASK_ENB_APP, 0, TERMINATE_MESSAGE); itti_send_msg_to_task (task_id, ENB_MODULE_ID_TO_INSTANCE(mod_id), msg); } //extern void free_transport(PHY_VARS_gNB *); extern void nr_phy_free_RU(RU_t *); static 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); } void init_pdcp(void) { uint32_t pdcp_initmask = IS_SOFTMODEM_NOS1 ? ENB_NAS_USE_TUN_BIT : LINK_ENB_PDCP_TO_GTPV1U_BIT; if (!NODE_IS_DU(get_node_type())) { nr_pdcp_layer_init(get_node_type() == ngran_gNB_CUCP); nr_pdcp_module_init(pdcp_initmask, 0); } } #ifdef E2_AGENT #include "openair2/LAYER2/NR_MAC_gNB/nr_mac_gNB.h" // need to get info from MAC static void initialize_agent(ngran_node_t node_type, e2_agent_args_t oai_args) { AssertFatal(oai_args.sm_dir != NULL , "Please, specify the directory where the SMs are located in the config file, i.e., add in config file the next line: e2_agent = {near_ric_ip_addr = \"127.0.0.1\"; sm_dir = \"/usr/local/lib/flexric/\");} "); AssertFatal(oai_args.ip != NULL , "Please, specify the IP address of the nearRT-RIC in the config file, i.e., e2_agent = {near_ric_ip_addr = \"127.0.0.1\"; sm_dir = \"/usr/local/lib/flexric/\""); printf("After RCconfig_NR_E2agent %s %s \n",oai_args.sm_dir, oai_args.ip ); fr_args_t args = { .ip = oai_args.ip }; // init_fr_args(0, NULL); memcpy(args.libs_dir, oai_args.sm_dir, 128); sleep(1); const gNB_RRC_INST* rrc = RC.nrrrc[0]; assert(rrc != NULL && "rrc cannot be NULL"); const int mcc = rrc->configuration.mcc[0]; const int mnc = rrc->configuration.mnc[0]; const int mnc_digit_len = rrc->configuration.mnc_digit_length[0]; // const ngran_node_t node_type = rrc->node_type; int nb_id = 0; int cu_du_id = 0; if (node_type == ngran_gNB) { nb_id = rrc->node_id; } else if (node_type == ngran_gNB_DU) { const gNB_MAC_INST* mac = RC.nrmac[0]; AssertFatal(mac, "MAC not initialized\n"); cu_du_id = mac->f1_config.gnb_id; nb_id = mac->f1_config.setup_req->gNB_DU_id; } else if (node_type == ngran_gNB_CU || node_type == ngran_gNB_CUCP) { // agent buggy: the CU has no second ID, it is the CU-UP ID // however, that is not a problem her for us, so put the same ID twice nb_id = rrc->node_id; cu_du_id = rrc->node_id; } else { LOG_E(NR_RRC, "not supported ran type detect\n"); } printf("[E2 NODE]: mcc = %d mnc = %d mnc_digit = %d nb_id = %d \n", mcc, mnc, mnc_digit_len, nb_id); printf("[E2 NODE]: Args %s %s \n", args.ip, args.libs_dir); sm_io_ag_ran_t io = init_ran_func_ag(); init_agent_api(mcc, mnc, mnc_digit_len, nb_id, cu_du_id, node_type, io, &args); } #endif void init_eNB_afterRU(void); configmodule_interface_t *uniqCfg = NULL; int main( int argc, char **argv ) { int ru_id, CC_id = 0; start_background_system(); ///static configuration for NR at the moment if ((uniqCfg = load_configmodule(argc, argv, CONFIG_ENABLECMDLINEONLY)) == NULL) { exit_fun("[SOFTMODEM] Error, configuration module init failed\n"); } set_softmodem_sighandler(); #ifdef DEBUG_CONSOLE setvbuf(stdout, NULL, _IONBF, 0); setvbuf(stderr, NULL, _IONBF, 0); #endif mode = normal_txrx; memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs); logInit(); lock_memory_to_ram(); printf("Reading in command-line options\n"); get_options(uniqCfg); EPC_MODE_ENABLED = !IS_SOFTMODEM_NOS1; if (CONFIG_ISFLAGSET(CONFIG_ABORT) ) { fprintf(stderr,"Getting configuration failed\n"); exit(-1); } if (!has_cap_sys_nice()) LOG_W(UTIL, "no SYS_NICE capability: cannot set thread priority and affinity, consider running with sudo for optimum performance\n"); if (get_softmodem_params()->do_ra) AssertFatal(get_softmodem_params()->phy_test == 0,"RA and phy_test are mutually exclusive\n"); if (get_softmodem_params()->sa) AssertFatal(get_softmodem_params()->phy_test == 0,"Standalone mode and phy_test are mutually exclusive\n"); #if T_TRACER T_Config_Init(); #endif //randominit (0); set_taus_seed (0); printf("configuring for RAU/RRU\n"); cpuf=get_cpu_freq_GHz(); itti_init(TASK_MAX, tasks_info); // initialize mscgen log after ITTI init_opt(); // strdup to put the sring in the core file for post mortem identification char *pckg = strdup(OAI_PACKAGE_VERSION); LOG_I(HW, "Version: %s\n", pckg); // don't create if node doesn't connect to RRC/S1/GTP const ngran_node_t node_type = get_node_type(); if (RC.nb_nr_L1_inst > 0) RCconfig_NR_L1(); if (NFAPI_MODE != NFAPI_MODE_PNF) { int ret = create_gNB_tasks(node_type, uniqCfg); AssertFatal(ret == 0, "cannot create ITTI tasks\n"); } pthread_cond_init(&sync_cond,NULL); pthread_mutex_init(&sync_mutex, NULL); usleep(1000); if (NFAPI_MODE && NFAPI_MODE != NFAPI_MODE_AERIAL) { printf("NFAPI*** - mutex and cond created - will block shortly for completion of PNF connection\n"); pthread_cond_init(&sync_cond,NULL); pthread_mutex_init(&sync_mutex, NULL); } printf("START MAIN THREADS\n"); // start the main threads number_of_cards = 1; printf("RC.nb_nr_L1_inst:%d\n", RC.nb_nr_L1_inst); if (RC.nb_nr_L1_inst > 0) { printf("Initializing gNB threads wait_for_sync:%d\n", wait_for_sync); init_gNB(wait_for_sync); } printf("wait_gNBs()\n"); wait_gNBs(); printf("About to Init RU threads RC.nb_RU:%d\n", RC.nb_RU); int sl_ahead = NFAPI_MODE == NFAPI_MODE_AERIAL ? 0 : 6; if (RC.nb_RU >0) { printf("Initializing RU threads\n"); init_NR_RU(uniqCfg, get_softmodem_params()->rf_config_file); for (ru_id=0; ru_id<RC.nb_RU; ru_id++) { RC.ru[ru_id]->rf_map.card=0; RC.ru[ru_id]->rf_map.chain=CC_id+chain_offset; if (ru_id==0) sl_ahead = RC.ru[ru_id]->sl_ahead; else AssertFatal(RC.ru[ru_id]->sl_ahead != RC.ru[0]->sl_ahead,"RU %d has different sl_ahead %d than RU 0 %d\n",ru_id,RC.ru[ru_id]->sl_ahead,RC.ru[0]->sl_ahead); } } config_sync_var=0; #ifdef E2_AGENT ////////////////////////////////// ////////////////////////////////// //// Init the E2 Agent // OAI Wrapper e2_agent_args_t oai_args = RCconfig_NR_E2agent(); if (oai_args.enabled) { initialize_agent(node_type, oai_args); } #endif // E2_AGENT if (NFAPI_MODE==NFAPI_MODE_PNF) { wait_nfapi_init("main?"); } // wait for F1 Setup Response before starting L1 for real if (NODE_IS_DU(node_type) || NODE_IS_MONOLITHIC(node_type)) wait_f1_setup_response(); if (RC.nb_RU > 0) start_NR_RU(); #ifdef ENABLE_AERIAL gNB_MAC_INST *nrmac = RC.nrmac[0]; nvIPC_Init(nrmac->nvipc_params_s); #endif if (RC.nb_nr_L1_inst > 0) { printf("wait RUs\n"); wait_RUs(); printf("ALL RUs READY!\n"); printf("RC.nb_RU:%d\n", RC.nb_RU); // once all RUs are ready initialize the rest of the gNBs ((dependence on final RU parameters after configuration) printf("ALL RUs ready - init gNBs\n"); for (int idx=0;idx<RC.nb_nr_L1_inst;idx++) RC.gNB[idx]->if_inst->sl_ahead = sl_ahead; if (IS_SOFTMODEM_DOSCOPE || IS_SOFTMODEM_IMSCOPE_ENABLED) { sleep(1); scopeParms_t p; p.argc = &argc; p.argv = argv; p.gNB = RC.gNB[0]; p.ru = RC.ru[0]; if (IS_SOFTMODEM_DOSCOPE) { load_softscope("nr", &p); } if (IS_SOFTMODEM_IMSCOPE_ENABLED) { load_softscope("im", &p); } } if (NFAPI_MODE != NFAPI_MODE_PNF && NFAPI_MODE != NFAPI_MODE_VNF && NFAPI_MODE != NFAPI_MODE_AERIAL) { printf("Not NFAPI mode - call init_eNB_afterRU()\n"); init_eNB_afterRU(); } else { printf("NFAPI mode - DO NOT call init_gNB_afterRU()\n"); } printf("ALL RUs ready - ALL gNBs ready\n"); // connect the TX/RX buffers printf("Sending sync to all threads\n"); pthread_mutex_lock(&sync_mutex); sync_var=0; pthread_cond_broadcast(&sync_cond); pthread_mutex_unlock(&sync_mutex); } // wait for end of program printf("Entering ITTI signals handler\n"); printf("TYPE <CTRL-C> TO TERMINATE\n"); itti_wait_tasks_end(NULL); printf("Returned from ITTI signal handler\n"); oai_exit=1; printf("oai_exit=%d\n",oai_exit); // cleanup if (RC.nb_nr_L1_inst > 0) stop_gNB(RC.nb_nr_L1_inst); if (RC.nb_RU > 0) stop_RU(RC.nb_RU); /* release memory used by the RU/gNB threads (incomplete), after all * threads have been stopped (they partially use the same memory) */ for (int inst = 0; inst < RC.nb_RU; inst++) { nr_phy_free_RU(RC.ru[inst]); } for (int inst = 0; inst < RC.nb_nr_L1_inst; inst++) { phy_free_nr_gNB(RC.gNB[inst]); } pthread_cond_destroy(&sync_cond); pthread_mutex_destroy(&sync_mutex); pthread_cond_destroy(&nfapi_sync_cond); pthread_mutex_destroy(&nfapi_sync_mutex); // *** Handle per CC_id openair0 for(ru_id = 0; ru_id < RC.nb_RU; ru_id++) { if (RC.ru[ru_id]->ifdevice.trx_end_func) RC.ru[ru_id]->ifdevice.trx_end_func(&RC.ru[ru_id]->ifdevice); } free(pckg); logClean(); printf("Bye.\n"); return 0; }