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openairinterface5g/executables/ocp-gnb.c
T
laurent 151bde05c8 merge develop, compile only
2020-04-24 11:45:22 +02:00

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/*
* Author: Laurent Thomas, Open Cells Project
* all rights reserved
*/
#define _GNU_SOURCE
#include <pthread.h>
#include "assertions.h"
#include <common/utils/LOG/log.h>
#include <common/utils/system.h>
#include "PHY/types.h"
#include "PHY/INIT/phy_init.h"
#include "PHY/defs_gNB.h"
#include "SCHED/sched_eNB.h"
#include "SCHED_NR/sched_nr.h"
#include "SCHED_NR/fapi_nr_l1.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "../../ARCH/COMMON/common_lib.h"
#include "PHY/phy_extern.h"
#include "LAYER2/MAC/mac.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
#include "LAYER2/MAC/mac_proto.h"
#include "RRC/LTE/rrc_extern.h"
#include "PHY_INTERFACE/phy_interface.h"
#include "common/utils/LOG/log_extern.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 "s1ap_eNB.h"
#include "SIMULATION/ETH_TRANSPORT/proto.h"
#include <executables/nr-softmodem.h>
#include <openair2/GNB_APP/gnb_config.h>
#include <executables/softmodem-common.h>
#include <openair2/GNB_APP/gnb_app.h>
#include <openair2/RRC/NR/nr_rrc_extern.h>
// should be in a shared lib
#include <forms.h>
#include <executables/stats.h>
#include <openair1/PHY/TOOLS/nr_phy_scope.h>
// Global vars
#include <openair2/LAYER2/MAC/mac_vars.h>
#include <openair1/PHY/phy_vars.h>
#include <openair2/RRC/LTE/rrc_vars.h>
#include <openair1/SCHED/sched_common_vars.h>
volatile int oai_exit;
int transmission_mode;
int single_thread_flag=1;
uint32_t do_forms=0;
unsigned int mmapped_dma=0;
int8_t threequarter_fs=0;
uint32_t target_dl_mcs = 28; //maximum allowed mcs
uint32_t target_ul_mcs = 20;
int chain_offset=0;
uint16_t sl_ahead=6;
uint16_t sf_ahead=6;
uint32_t timing_advance = 0;
int transmission_mode=1;
int emulate_rf = 0;
int numerology = 0;
unsigned char NB_gNB_INST = 1;
int config_sync_var=-1;
pthread_mutex_t nfapi_sync_mutex;
pthread_cond_t nfapi_sync_cond;
int nfapi_sync_var=-1;
uint8_t nfapi_mode = NFAPI_MONOLITHIC; // Default to monolithic mode
double cpuf;
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
int sync_var=-1; //!< protected by mutex \ref sync_mutex.
uint64_t downlink_frequency[MAX_NUM_CCs][4];
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
time_stats_t softmodem_stats_mt; // main thread
time_stats_t softmodem_stats_hw; // hw acquisition
time_stats_t softmodem_stats_rxtx_sf; // total tx time
time_stats_t nfapi_meas; // total tx time
time_stats_t softmodem_stats_rx_sf; // total rx time
int split73=0;
void sendFs6Ul(PHY_VARS_eNB *eNB, int UE_id, int harq_pid, int segmentID, int16_t *data, int dataLen, int r_offset) {
AssertFatal(false, "Must not be called in this context\n");
}
int stop_L1L2(module_id_t gnb_id) {
AssertFatal(false, "Must not be called in this context\n");
}
int restart_L1L2(module_id_t gnb_id) {
AssertFatal(false, "Must not be called in this context\n");
}
static int wait_for_sync = 0;
static char *itti_dump_file = NULL;
static char *parallel_config = NULL;
static char *worker_config = NULL;
static double snr_dB=20;
static int DEFBANDS[] = {7};
static int DEFENBS[] = {0};
static int DEFBFW[] = {0x00007fff};
extern double cpuf;
short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,16384,16384,-16384,-16384,16384,16384,16384,-16384,-16384,16384,-16384,-16384,7327,7327,7327,21981,21981,7327,21981,21981,7327,-7327,7327,-21981,21981,-7327,21981,-21981,-7327,7327,-7327,21981,-21981,7327,-21981,21981,-7327,-7327,-7327,-21981,-21981,-7327,-21981,-21981,10726,10726,10726,3576,3576,10726,3576,3576,10726,17876,10726,25027,3576,17876,3576,25027,17876,10726,17876,3576,25027,10726,25027,3576,17876,17876,17876,25027,25027,17876,25027,25027,10726,-10726,10726,-3576,3576,-10726,3576,-3576,10726,-17876,10726,-25027,3576,-17876,3576,-25027,17876,-10726,17876,-3576,25027,-10726,25027,-3576,17876,-17876,17876,-25027,25027,-17876,25027,-25027,-10726,10726,-10726,3576,-3576,10726,-3576,3576,-10726,17876,-10726,25027,-3576,17876,-3576,25027,-17876,10726,-17876,3576,-25027,10726,-25027,3576,-17876,17876,-17876,25027,-25027,17876,-25027,25027,-10726,-10726,-10726,-3576,-3576,-10726,-3576,-3576,-10726,-17876,-10726,-25027,-3576,-17876,-3576,-25027,-17876,-10726,-17876,-3576,-25027,-10726,-25027,-3576,-17876,-17876,-17876,-25027,-25027,-17876,-25027,-25027,8886,8886,8886,12439,12439,8886,12439,12439,8886,5332,8886,1778,12439,5332,12439,1778,5332,8886,5332,12439,1778,8886,1778,12439,5332,5332,5332,1778,1778,5332,1778,1778,8886,19547,8886,15993,12439,19547,12439,15993,8886,23101,8886,26655,12439,23101,12439,26655,5332,19547,5332,15993,1778,19547,1778,15993,5332,23101,5332,26655,1778,23101,1778,26655,19547,8886,19547,12439,15993,8886,15993,12439,19547,5332,19547,1778,15993,5332,15993,1778,23101,8886,23101,12439,26655,8886,26655,12439,23101,5332,23101,1778,26655,5332,26655,1778,19547,19547,19547,15993,15993,19547,15993,15993,19547,23101,19547,26655,15993,23101,15993,26655,23101,19547,23101,15993,26655,19547,26655,15993,23101,23101,23101,26655,26655,23101,26655,26655,8886,-8886,8886,-12439,12439,-8886,12439,-12439,8886,-5332,8886,-1778,12439,-5332,12439,-1778,5332,-8886,5332,-12439,1778,-8886,1778,-12439,5332,-5332,5332,-1778,1778,-5332,1778,-1778,8886,-19547,8886,-15993,12439,-19547,12439,-15993,8886,-23101,8886,-26655,12439,-23101,12439,-26655,5332,-19547,5332,-15993,1778,-19547,1778,-15993,5332,-23101,5332,-26655,1778,-23101,1778,-26655,19547,-8886,19547,-12439,15993,-8886,15993,-12439,19547,-5332,19547,-1778,15993,-5332,15993,-1778,23101,-8886,23101,-12439,26655,-8886,26655,-12439,23101,-5332,23101,-1778,26655,-5332,26655,-1778,19547,-19547,19547,-15993,15993,-19547,15993,-15993,19547,-23101,19547,-26655,15993,-23101,15993,-26655,23101,-19547,23101,-15993,26655,-19547,26655,-15993,23101,-23101,23101,-26655,26655,-23101,26655,-26655,-8886,8886,-8886,12439,-12439,8886,-12439,12439,-8886,5332,-8886,1778,-12439,5332,-12439,1778,-5332,8886,-5332,12439,-1778,8886,-1778,12439,-5332,5332,-5332,1778,-1778,5332,-1778,1778,-8886,19547,-8886,15993,-12439,19547,-12439,15993,-8886,23101,-8886,26655,-12439,23101,-12439,26655,-5332,19547,-5332,15993,-1778,19547,-1778,15993,-5332,23101,-5332,26655,-1778,23101,-1778,26655,-19547,8886,-19547,12439,-15993,8886,-15993,12439,-19547,5332,-19547,1778,-15993,5332,-15993,1778,-23101,8886,-23101,12439,-26655,8886,-26655,12439,-23101,5332,-23101,1778,-26655,5332,-26655,1778,-19547,19547,-19547,15993,-15993,19547,-15993,15993,-19547,23101,-19547,26655,-15993,23101,-15993,26655,-23101,19547,-23101,15993,-26655,19547,-26655,15993,-23101,23101,-23101,26655,-26655,23101,-26655,26655,-8886,-8886,-8886,-12439,-12439,-8886,-12439,-12439,-8886,-5332,-8886,-1778,-12439,-5332,-12439,-1778,-5332,-8886,-5332,-12439,-1778,-8886,-1778,-12439,-5332,-5332,-5332,-1778,-1778,-5332,-1778,-1778,-8886,-19547,-8886,-15993,-12439,-19547,-12439,-15993,-8886,-23101,-8886,-26655,-12439,-23101,-12439,-26655,-5332,-19547,-5332,-15993,-1778,-19547,-1778,-15993,-5332,-23101,-5332,-26655,-1778,-23101,-1778,-26655,-19547,-8886,-19547,-12439,-15993,-8886,-15993,-12439,-19547,-5332,-19547,-1778,-15993,-5332,-15993,-1778,-23101,-8886,-23101,-12439,-26655,-8886,-26655,-12439,-23101,-5332,-23101,-1778,-26655,-5332,-26655,-1778,-19547,-19547,-19547,-15993,-15993,-19547,-15993,-15993,-19547,-23101,-19547,-26655,-15993,-23101,-15993,-26655,-23101,-19547,-23101,-15993,-26655,-19547,-26655,-15993,-23101,-23101,-23101,-26655,-26655,-23101,-26655,-26655};
static inline int rxtx(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int frame_tx, int slot_tx) {
sl_ahead = sf_ahead*gNB->frame_parms.slots_per_subframe;
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
start_meas(&softmodem_stats_rxtx_sf);
// *******************************************************************
if (nfapi_mode == NFAPI_MODE_PNF) {
// I am a PNF and I need to let nFAPI know that we have a (sub)frame tick
//add_subframe(&frame, &subframe, 4);
//oai_subframe_ind(proc->frame_tx, proc->subframe_tx);
//LOG_D(PHY, "oai_subframe_ind(frame:%u, subframe:%d) - NOT CALLED ********\n", frame, subframe);
start_meas(&nfapi_meas);
oai_subframe_ind(frame_rx, slot_rx);
stop_meas(&nfapi_meas);
/*if (gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus||
gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs ||
gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs ||
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles ||
gNB->UL_INFO.cqi_ind.number_of_cqis
) {
LOG_D(PHY, "UL_info[rx_ind:%05d:%d harqs:%05d:%d crcs:%05d:%d preambles:%05d:%d cqis:%d] RX:%04d%d TX:%04d%d \n",
NFAPI_SFNSF2DEC(gNB->UL_INFO.rx_ind.sfn_sf), gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus,
NFAPI_SFNSF2DEC(gNB->UL_INFO.harq_ind.sfn_sf), gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.crc_ind.sfn_sf), gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.rach_ind.sfn_sf), gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles,
gNB->UL_INFO.cqi_ind.number_of_cqis,
frame_rx, slot_rx,
frame_tx, slot_tx);
}*/
}
/// NR disabling
// ****************************************
// Common RX procedures subframe n
pthread_mutex_lock(&gNB->UL_INFO_mutex);
gNB->UL_INFO.frame = frame_rx;
gNB->UL_INFO.slot = slot_rx;
gNB->UL_INFO.module_id = gNB->Mod_id;
gNB->UL_INFO.CC_id = gNB->CC_id;
gNB->if_inst->NR_UL_indication(&gNB->UL_INFO);
pthread_mutex_unlock(&gNB->UL_INFO_mutex);
// RX processing
int tx_slot_type = nr_slot_select(cfg,frame_tx,slot_tx);
int rx_slot_type = nr_slot_select(cfg,frame_rx,slot_rx);
if (rx_slot_type == NR_UPLINK_SLOT || rx_slot_type == NR_MIXED_SLOT) {
// UE-specific RX processing for subframe n
// TODO: check if this is correct for PARALLEL_RU_L1_TRX_SPLIT
phy_procedures_gNB_uespec_RX(gNB, frame_rx, slot_rx);
}
if (oai_exit) return(-1);
// *****************************************
// TX processing for subframe n+sf_ahead
// 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 (tx_slot_type == NR_DOWNLINK_SLOT || tx_slot_type == NR_MIXED_SLOT) {
phy_procedures_gNB_TX(gNB, frame_tx,slot_tx, 1);
}
stop_meas( &softmodem_stats_rxtx_sf );
LOG_D(PHY,"%s() Exit proc[rx:%d%d tx:%d%d]\n", __FUNCTION__, frame_rx, slot_rx, frame_tx, slot_tx);
return(0);
}
void gNB_top(gNB_L1_proc_t *proc, struct RU_t_s *ru) {
gNB_L1_rxtx_proc_t *L1_proc = &proc->L1_proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *ru_proc=&ru->proc;
sl_ahead = sf_ahead*fp->slots_per_subframe;
L1_proc->frame_rx = proc->frame_rx = proc->frame_prach = ru_proc->frame_rx =
(proc->timestamp_rx / (fp->samples_per_subframe*10))&1023;
L1_proc->slot_rx = proc->slot_rx = proc->slot_prach =
ru_proc->tti_rx; // computed before
L1_proc->timestamp_tx = proc->timestamp_tx = ru_proc->timestamp_tx =
ru_proc->timestamp_rx + sl_ahead;
L1_proc->frame_tx = proc->frame_rx = ru_proc->frame_rx =
(proc->timestamp_tx / (fp->samples_per_subframe*10))&1023;
L1_proc->slot_tx = ru_proc->tti_tx =
(L1_proc->slot_rx + sl_ahead)%fp->slots_per_frame;
}
static void *process_stats_thread(void *param) {
PHY_VARS_gNB *gNB = (PHY_VARS_gNB *)param;
reset_meas(&gNB->dlsch_encoding_stats);
reset_meas(&gNB->dlsch_scrambling_stats);
reset_meas(&gNB->dlsch_modulation_stats);
wait_sync("process_stats_thread");
while(!oai_exit) {
sleep(1);
print_meas(&gNB->dlsch_encoding_stats, "pdsch_encoding", NULL, NULL);
print_meas(&gNB->dlsch_scrambling_stats, "pdsch_scrambling", NULL, NULL);
print_meas(&gNB->dlsch_modulation_stats, "pdsch_modulation", NULL, NULL);
}
return(NULL);
}
void init_gNB_proc(int inst) {
PHY_VARS_gNB *gNB = RC.gNB[inst];
gNB_L1_proc_t *proc = &gNB->proc;
gNB_L1_rxtx_proc_t *L1_proc = &proc->L1_proc;
gNB_L1_rxtx_proc_t *L1_proc_tx = &proc->L1_proc_tx;
L1_proc->instance_cnt = -1;
L1_proc_tx->instance_cnt = -1;
L1_proc->instance_cnt_RUs = 0;
L1_proc_tx->instance_cnt_RUs = 0;
proc->instance_cnt_prach = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->CC_id = 0;
proc->first_rx =1;
proc->first_tx =1;
proc->RU_mask =0;
proc->RU_mask_tx = (1<<gNB->num_RU)-1;
proc->RU_mask_prach =0;
pthread_mutex_init( &gNB->UL_INFO_mutex, NULL);
}
/// eNB kept in function name for nffapi calls, TO FIX
void init_eNB_afterRU(void) {
int inst,ru_id,i,aa;
PHY_VARS_gNB *gNB;
LOG_I(PHY,"%s() RC.nb_nr_inst:%d\n", __FUNCTION__, RC.nb_nr_inst);
for (inst=0; inst<RC.nb_nr_inst; inst++) {
LOG_I(PHY,"RC.nb_nr_CC[inst:%d]:%p\n", inst, RC.gNB[inst]);
gNB = RC.gNB[inst];
phy_init_nr_gNB(gNB,0,0);
LOG_I(PHY,"Mapping RX ports from %d RUs to gNB %d\n",gNB->num_RU,gNB->Mod_id);
//LOG_I(PHY,"Overwriting gNB->prach_vars.rxsigF[0]:%p\n", gNB->prach_vars.rxsigF[0]);
// gNB->prach_vars.rxsigF[0] = (int16_t **)malloc16(64*sizeof(int16_t *));
LOG_I(PHY,"gNB->num_RU:%d\n", gNB->num_RU);
for (ru_id=0,aa=0; ru_id<gNB->num_RU; ru_id++) {
AssertFatal(gNB->RU_list[ru_id]->common.rxdataF!=NULL,
"RU %d : common.rxdataF is NULL\n",
gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->prach_rxsigF!=NULL,
"RU %d : prach_rxsigF is NULL\n",
gNB->RU_list[ru_id]->idx);
for (i=0; i<gNB->RU_list[ru_id]->nb_rx; aa++,i++) {
LOG_I(PHY,"Attaching RU %d antenna %d to gNB antenna %d\n",gNB->RU_list[ru_id]->idx,i,aa);
gNB->prach_vars.rxsigF[aa] = gNB->RU_list[ru_id]->prach_rxsigF[i];
gNB->common_vars.rxdataF[aa] = gNB->RU_list[ru_id]->common.rxdataF[i];
}
}
//init_precoding_weights(RC.gNB[inst][CC_id]);
}
}
void init_gNB(int single_thread_flag,int wait_for_sync) {
if (RC.gNB == NULL)
RC.gNB = (PHY_VARS_gNB **) calloc(1,(1+RC.nb_nr_L1_inst)*sizeof(PHY_VARS_gNB *));
for (int inst=0; inst<RC.nb_nr_L1_inst; inst++) {
if (RC.gNB[inst] == NULL )
RC.gNB[inst] = (PHY_VARS_gNB *) calloc(1,sizeof(PHY_VARS_gNB));
PHY_VARS_gNB *gNB= RC.gNB[inst];
gNB->abstraction_flag = false;
gNB->single_thread_flag = true;
/*nr_polar_init(&gNB->nrPolar_params,
NR_POLAR_PBCH_MESSAGE_TYPE,
NR_POLAR_PBCH_PAYLOAD_BITS,
NR_POLAR_PBCH_AGGREGATION_LEVEL);*/
LOG_I(PHY,"Registering with MAC interface module\n");
AssertFatal((gNB->if_inst = NR_IF_Module_init(inst))!=NULL,"Cannot register interface");
gNB->if_inst->NR_Schedule_response = nr_schedule_response;
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
memset((void *)&gNB->UL_INFO,0,sizeof(gNB->UL_INFO));
memset((void *)&gNB->UL_tti_req,0,sizeof(nfapi_nr_ul_tti_request_t));
//memset((void *)&gNB->Sched_INFO,0,sizeof(gNB->Sched_INFO));
LOG_I(PHY,"Setting indication lists\n");
gNB->UL_INFO.rx_ind.pdu_list = gNB->rx_pdu_list;
gNB->UL_INFO.crc_ind.crc_list = gNB->crc_pdu_list;
/*gNB->UL_INFO.sr_ind.sr_indication_body.sr_pdu_list = gNB->sr_pdu_list;
gNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list = gNB->harq_pdu_list;
gNB->UL_INFO.cqi_ind.cqi_pdu_list = gNB->cqi_pdu_list;
gNB->UL_INFO.cqi_ind.cqi_raw_pdu_list = gNB->cqi_raw_pdu_list;*/
gNB->prach_energy_counter = 0;
}
LOG_I(PHY,"[nr-softmodem.c] gNB structure allocated\n");
}
void stop_gNB(int nb_inst) {
}
static void get_options(void) {
paramdef_t cmdline_params[] = CMDLINE_PARAMS_DESC_GNB ;
config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL);
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_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_t *) malloc(sizeof(nfapi_nr_config_request_t));
config[CC_id]->subframe_config.numerology_index_mu.value =1;
config[CC_id]->subframe_config.duplex_mode.value = 1; //FDD
config[CC_id]->subframe_config.dl_cyclic_prefix_type.value = 0; //NORMAL
config[CC_id]->rf_config.dl_carrier_bandwidth.value = 106;
config[CC_id]->rf_config.ul_carrier_bandwidth.value = 106;
config[CC_id]->sch_config.physical_cell_id.value = 0;
}
}
static void init_pdcp(void) {
//if (!NODE_IS_DU(RC.rrc[0]->node_type)) {
pdcp_layer_init();
uint32_t pdcp_initmask = (IS_SOFTMODEM_NOS1) ?
(PDCP_USE_NETLINK_BIT | LINK_ENB_PDCP_TO_IP_DRIVER_BIT) : LINK_ENB_PDCP_TO_GTPV1U_BIT;
if (IS_SOFTMODEM_NOS1) {
printf("IS_SOFTMODEM_NOS1 option enabled \n");
pdcp_initmask = pdcp_initmask | ENB_NAS_USE_TUN_BIT | SOFTMODEM_NOKRNMOD_BIT ;
}
pdcp_module_init(pdcp_initmask);
/*if (NODE_IS_CU(RC.rrc[0]->node_type)) {
pdcp_set_rlc_data_req_func((send_rlc_data_req_func_t)proto_agent_send_rlc_data_req);
} else {*/
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);
//}
/*} else {
pdcp_set_pdcp_data_ind_func((pdcp_data_ind_func_t) proto_agent_send_pdcp_data_ind);
}*/
}
void init_main_gNB(void) {
RCconfig_NR_L1();
RCconfig_nr_macrlc();
if (RC.nb_nr_L1_inst>0) AssertFatal(l1_north_init_gNB()==0,"could not initialize L1 north interface\n");
LOG_I(GNB_APP,"Allocating gNB_RRC_INST for %d instances\n",RC.nb_nr_inst);
RC.nrrrc = (gNB_RRC_INST **)malloc(RC.nb_nr_inst*sizeof(gNB_RRC_INST *));
LOG_I(PHY, "%s() RC.nb_nr_inst:%d RC.nrrrc:%p\n", __FUNCTION__, RC.nb_nr_inst, RC.nrrrc);
int gnb_id=0; // only 1 gnb per process, index 0 for now
RC.nrrrc[gnb_id] = (gNB_RRC_INST *)malloc(sizeof(gNB_RRC_INST));
memset((void *)RC.nrrrc[gnb_id],0,sizeof(gNB_RRC_INST));
MessageDef *msg_p = itti_alloc_new_message (TASK_GNB_APP, NRRRC_CONFIGURATION_REQ);
RCconfig_NRRRC(msg_p,gnb_id, RC.nrrrc[gnb_id]);
openair_rrc_gNB_configuration(GNB_INSTANCE_TO_MODULE_ID(ITTI_MSG_INSTANCE(msg_p)), &NRRRC_CONFIGURATION_REQ(msg_p));
}
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 wait_gNBs(void) {
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 (int i=0; i<RC.nb_nr_L1_inst; i++) {
if (RC.gNB[i]->configured==0) {
waiting=1;
break;
}
}
}
printf("gNB L1 are configured\n");
}
void exit_function(const char *file, const char *function, const int line, const char *s) {
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;
}
}
sleep(1); //allow lte-softmodem threads to exit first
exit(1);
}
void stop_RU(int nb_ru) {
}
void RCconfig_RU(void) {
int i = 0, j = 0;
paramdef_t RUParams[] = RUPARAMS_DESC;
paramlist_def_t RUParamList = {CONFIG_STRING_RU_LIST,NULL,0};
config_getlist( &RUParamList, RUParams, sizeof(RUParams)/sizeof(paramdef_t), NULL);
if ( RUParamList.numelt > 0) {
RC.ru = (RU_t **)malloc(RC.nb_RU*sizeof(RU_t *));
RC.ru_mask=(1<<NB_RU) - 1;
printf("Set RU mask to %lx\n",RC.ru_mask);
for (j = 0; j < RC.nb_RU; j++) {
RC.ru[j] = (RU_t *)malloc(sizeof(RU_t));
memset((void *)RC.ru[j],0,sizeof(RU_t));
RC.ru[j]->idx = j;
RC.ru[j]->nr_frame_parms = (NR_DL_FRAME_PARMS *)malloc(sizeof(NR_DL_FRAME_PARMS));
RC.ru[j]->frame_parms = (LTE_DL_FRAME_PARMS *)malloc(sizeof(LTE_DL_FRAME_PARMS));
printf("Creating RC.ru[%d]:%p\n", j, RC.ru[j]);
RC.ru[j]->if_timing = synch_to_ext_device;
if (RC.nb_nr_L1_inst >0)
RC.ru[j]->num_gNB = RUParamList.paramarray[j][RU_ENB_LIST_IDX].numelt;
else
RC.ru[j]->num_gNB = 0;
for (i=0; i<RC.ru[j]->num_gNB; i++) RC.ru[j]->gNB_list[i] = &RC.gNB[RUParamList.paramarray[j][RU_ENB_LIST_IDX].iptr[i]][0];
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_ADDRS)) {
RC.ru[j]->openair0_cfg.sdr_addrs = strdup(*(RUParamList.paramarray[j][RU_SDR_ADDRS].strptr));
}
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_CLK_SRC)) {
if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "internal") == 0) {
RC.ru[j]->openair0_cfg.clock_source = internal;
LOG_D(PHY, "RU clock source set as internal\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "external") == 0) {
RC.ru[j]->openair0_cfg.clock_source = external;
LOG_D(PHY, "RU clock source set as external\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "gpsdo") == 0) {
RC.ru[j]->openair0_cfg.clock_source = gpsdo;
LOG_D(PHY, "RU clock source set as gpsdo\n");
} else {
LOG_E(PHY, "Erroneous RU clock source in the provided configuration file: '%s'\n", *(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr));
}
} else {
RC.ru[j]->openair0_cfg.clock_source = unset;
}
if (strcmp(*(RUParamList.paramarray[j][RU_LOCAL_RF_IDX].strptr), "yes") == 0) {
if ( !(config_isparamset(RUParamList.paramarray[j],RU_LOCAL_IF_NAME_IDX)) ) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = gNodeB_3GPP;
printf("Setting function for RU %d to gNodeB_3GPP\n",j);
} else {
}
RC.ru[j]->max_pdschReferenceSignalPower = *(RUParamList.paramarray[j][RU_MAX_RS_EPRE_IDX].uptr);;
RC.ru[j]->max_rxgain = *(RUParamList.paramarray[j][RU_MAX_RXGAIN_IDX].uptr);
RC.ru[j]->num_bands = RUParamList.paramarray[j][RU_BAND_LIST_IDX].numelt;
for (i=0; i<RC.ru[j]->num_bands; i++) RC.ru[j]->band[i] = RUParamList.paramarray[j][RU_BAND_LIST_IDX].iptr[i];
} //strcmp(local_rf, "yes") == 0
else {
}
RC.ru[j]->nb_tx = *(RUParamList.paramarray[j][RU_NB_TX_IDX].uptr);
RC.ru[j]->nb_rx = *(RUParamList.paramarray[j][RU_NB_RX_IDX].uptr);
RC.ru[j]->att_tx = *(RUParamList.paramarray[j][RU_ATT_TX_IDX].uptr);
RC.ru[j]->att_rx = *(RUParamList.paramarray[j][RU_ATT_RX_IDX].uptr);
if (config_isparamset(RUParamList.paramarray[j], RU_BF_WEIGHTS_LIST_IDX)) {
RC.ru[j]->nb_bfw = RUParamList.paramarray[j][RU_BF_WEIGHTS_LIST_IDX].numelt;
for (i=0; i<RC.ru[j]->num_gNB; i++) {
RC.ru[j]->bw_list[i] = (int32_t *)malloc16_clear((RC.ru[j]->nb_bfw)*sizeof(int32_t));
for (int b=0; b<RC.ru[j]->nb_bfw; b++) RC.ru[j]->bw_list[i][b] = RUParamList.paramarray[j][RU_BF_WEIGHTS_LIST_IDX].iptr[b];
}
}
}// j=0..num_rus
} else {
RC.nb_RU = 0;
} // setting != NULL
return;
}
int rx_rf(RU_t *ru, int lastReadSz) {
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
void *rxp[ru->nb_rx];
uint32_t samples_per_slot = fp->get_samples_per_slot(proc->tti_rx,fp);
for (int i=0; i<ru->nb_rx; i++)
rxp[i] = (void *)&ru->common.rxdata[i][fp->get_samples_slot_timestamp(proc->tti_rx,fp,0)];
openair0_timestamp old_ts = proc->timestamp_rx;
LOG_D(PHY,"Reading %d samples for slot %d (%p)\n",samples_per_slot,proc->tti_rx,rxp[0]);
unsigned int rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
& proc->timestamp_rx,
rxp,
samples_per_slot,
ru->nb_rx);
if (rxs != samples_per_slot)
LOG_E(PHY, "rx_rf: Asked for %d samples, got %d from USRP\n",samples_per_slot,rxs);
// In case we need offset, between RU or any other need
// The sync system can put a offset to use betwwen RF boards
proc->timestamp_rx+=ru->ts_offset;
if (lastReadSz && proc->timestamp_rx - old_ts != lastReadSz)
LOG_D(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",
proc->timestamp_rx - old_ts - samples_per_slot,ru->ts_offset);
return rxs;
}
void tx_rf(RU_t *ru,int frame,int slot, uint64_t timestamp) {
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
void *txp[ru->nb_tx];
unsigned int txs;
int i,txsymb;
T(T_ENB_PHY_OUTPUT_SIGNAL, T_INT(0), T_INT(0), T_INT(frame), T_INT(slot),
T_INT(0), T_BUFFER(&ru->common.txdata[0][fp->get_samples_slot_timestamp(slot,fp,0)], fp->samples_per_subframe * 4));
int slot_type = nr_slot_select(cfg,frame,slot%fp->slots_per_frame);
int prevslot_type = nr_slot_select(cfg,frame,(slot+(fp->slots_per_frame-1))%fp->slots_per_frame);
int nextslot_type = nr_slot_select(cfg,frame,(slot+1)%fp->slots_per_frame);
int sf_extension = 0; //sf_extension = ru->sf_extension;
int siglen=fp->get_samples_per_slot(slot,fp);
int flags=1;
//nr_subframe_t SF_type = nr_slot_select(cfg,slot%fp->slots_per_frame);
if (slot_type == NR_DOWNLINK_SLOT || slot_type == NR_MIXED_SLOT || IS_SOFTMODEM_RFSIM) {
if(slot_type == NR_MIXED_SLOT) {
txsymb = 0;
for(int symbol_count =0; symbol_count<NR_NUMBER_OF_SYMBOLS_PER_SLOT; symbol_count++) {
if (cfg->tdd_table.max_tdd_periodicity_list[slot].max_num_of_symbol_per_slot_list[symbol_count].slot_config.value==0)
txsymb++;
}
AssertFatal(txsymb>0,"illegal txsymb %d\n",txsymb);
if(slot%(fp->slots_per_subframe/2))
siglen = txsymb * (fp->ofdm_symbol_size + fp->nb_prefix_samples);
else
siglen = (fp->ofdm_symbol_size + fp->nb_prefix_samples0) + (txsymb - 1) * (fp->ofdm_symbol_size + fp->nb_prefix_samples);
//+ ru->end_of_burst_delay;
flags=3; // end of burst
}
if (cfg->cell_config.frame_duplex_type.value == TDD &&
slot_type == NR_DOWNLINK_SLOT &&
prevslot_type == NR_UPLINK_SLOT) {
flags = 2; // start of burst
}
if (cfg->cell_config.frame_duplex_type.value == TDD &&
slot_type == NR_DOWNLINK_SLOT &&
nextslot_type == NR_UPLINK_SLOT) {
flags = 3; // end of burst
}
if (fp->freq_range==nr_FR2) {
// the beam index is written in bits 8-10 of the flags
// bit 11 enables the gpio programming
int beam=0;
if (slot==0) beam = 11; //3 for boresight & 8 to enable
/*
if (slot==0 || slot==40) beam=0&8;
if (slot==10 || slot==50) beam=1&8;
if (slot==20 || slot==60) beam=2&8;
if (slot==30 || slot==70) beam=3&8;
*/
flags |= beam<<8;
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_WRITE_FLAGS, flags );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, frame );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, slot );
for (i=0; i<ru->nb_tx; i++)
txp[i] = (void *)&ru->common.txdata[i][fp->get_samples_slot_timestamp(slot,fp,0)-sf_extension];
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp-ru->openair0_cfg.tx_sample_advance)&0xffffffff );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 );
// prepare tx buffer pointers
txs = ru->rfdevice.trx_write_func(&ru->rfdevice,
timestamp+ru->ts_offset-ru->openair0_cfg.tx_sample_advance-sf_extension,
txp,
siglen+sf_extension,
ru->nb_tx,
flags);
LOG_D(PHY,"[TXPATH] RU %d tx_rf, writing to TS %llu, frame %d, unwrapped_frame %d, slot %d\n",ru->idx,
(long long unsigned int)timestamp,frame,proc->frame_tx_unwrap,slot);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 );
AssertFatal(txs == siglen+sf_extension,"TX : Timeout (sent %u/%d)\n", txs, siglen);
}
}
// this is for RU with local RF unit
void fill_rf_config(RU_t *ru, char *rf_config_file) {
int i;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_scf_t *gNB_config = &ru->gNB_list[0]->gNB_config; //tmp index
openair0_config_t *cfg = &ru->openair0_cfg;
int mu = gNB_config->ssb_config.scs_common.value;
int N_RB = gNB_config->carrier_config.dl_grid_size[gNB_config->ssb_config.scs_common.value].value;
fp->threequarter_fs=threequarter_fs;
if (mu == NR_MU_0) { //or if LTE
if(N_RB == 100) {
if (fp->threequarter_fs) {
cfg->sample_rate=23.04e6;
cfg->samples_per_frame = 230400;
cfg->tx_bw = 10e6;
cfg->rx_bw = 10e6;
} else {
cfg->sample_rate=30.72e6;
cfg->samples_per_frame = 307200;
cfg->tx_bw = 10e6;
cfg->rx_bw = 10e6;
}
} else if(N_RB == 50) {
cfg->sample_rate=15.36e6;
cfg->samples_per_frame = 153600;
cfg->tx_bw = 5e6;
cfg->rx_bw = 5e6;
} else if (N_RB == 25) {
cfg->sample_rate=7.68e6;
cfg->samples_per_frame = 76800;
cfg->tx_bw = 2.5e6;
cfg->rx_bw = 2.5e6;
} else if (N_RB == 6) {
cfg->sample_rate=1.92e6;
cfg->samples_per_frame = 19200;
cfg->tx_bw = 1.5e6;
cfg->rx_bw = 1.5e6;
} else AssertFatal(1==0,"Unknown N_RB %d\n",N_RB);
} else if (mu == NR_MU_1) {
if(N_RB == 273) {
if (fp->threequarter_fs) {
AssertFatal(0 == 1,"three quarter sampling not supported for N_RB 273\n");
} else {
cfg->sample_rate=122.88e6;
cfg->samples_per_frame = 1228800;
cfg->tx_bw = 100e6;
cfg->rx_bw = 100e6;
}
} else if(N_RB == 217) {
if (fp->threequarter_fs) {
cfg->sample_rate=92.16e6;
cfg->samples_per_frame = 921600;
cfg->tx_bw = 80e6;
cfg->rx_bw = 80e6;
} else {
cfg->sample_rate=122.88e6;
cfg->samples_per_frame = 1228800;
cfg->tx_bw = 80e6;
cfg->rx_bw = 80e6;
}
} else if(N_RB == 106) {
if (fp->threequarter_fs) {
cfg->sample_rate=46.08e6;
cfg->samples_per_frame = 460800;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
} else {
cfg->sample_rate=61.44e6;
cfg->samples_per_frame = 614400;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
}
} else {
AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",N_RB,mu);
}
} else if (mu == NR_MU_3) {
if (N_RB == 66) {
cfg->sample_rate = 122.88e6;
cfg->samples_per_frame = 1228800;
cfg->tx_bw = 100e6;
cfg->rx_bw = 100e6;
} else if(N_RB == 32) {
cfg->sample_rate=61.44e6;
cfg->samples_per_frame = 614400;
cfg->tx_bw = 50e6;
cfg->rx_bw = 50e6;
}
} else {
AssertFatal(0 == 1,"Numerology %d not supported for the moment\n",mu);
}
if (gNB_config->cell_config.frame_duplex_type.value==TDD)
cfg->duplex_mode = duplex_mode_TDD;
else //FDD
cfg->duplex_mode = duplex_mode_FDD;
cfg->Mod_id = 0;
cfg->num_rb_dl=N_RB;
cfg->tx_num_channels=ru->nb_tx;
cfg->rx_num_channels=ru->nb_rx;
for (i=0; i<ru->nb_tx; i++) {
if (ru->if_frequency == 0) {
cfg->tx_freq[i] = (double)fp->dl_CarrierFreq;
cfg->rx_freq[i] = (double)fp->ul_CarrierFreq;
} else {
cfg->tx_freq[i] = (double)ru->if_frequency;
cfg->rx_freq[i] = (double)(ru->if_frequency+fp->ul_CarrierFreq-fp->dl_CarrierFreq);
}
cfg->tx_gain[i] = ru->att_tx;
cfg->rx_gain[i] = ru->max_rxgain-ru->att_rx;
cfg->configFilename = rf_config_file;
printf("channel %d, Setting tx_gain offset %f, rx_gain offset %f, tx_freq %f, rx_freq %f\n",
i, cfg->tx_gain[i],
cfg->rx_gain[i],
cfg->tx_freq[i],
cfg->rx_freq[i]);
}
}
static void *ru_thread( void *param ) {
RU_t *ru = (RU_t *)param;
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
LOG_I(PHY,"Starting RU %d (%s,%s),\n",ru->idx,NB_functions[ru->function],NB_timing[ru->if_timing]);
fp->threequarter_fs=threequarter_fs;
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
fill_rf_config(ru,ru->rf_config_file);
nr_phy_init_RU(ru);
AssertFatal(openair0_device_load(&ru->rfdevice,&ru->openair0_cfg)==0,"Cannot connect to local radio\n");
AssertFatal(ru->rfdevice.trx_start_func(&ru->rfdevice) == 0,"Could not start the RF device\n");
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
int lastReadSz=0;
while (!oai_exit) {
// synchronization on input FH interface, acquire signals/data and block
lastReadSz=rx_rf(ru, lastReadSz);
// do RX front-end processing (frequency-shift, dft) if needed
uint32_t idx_sf = proc->timestamp_rx / fp->samples_per_subframe;
uint32_t offsetInSubframe=proc->timestamp_rx % fp->samples_per_subframe;
proc->tti_rx = (idx_sf * fp->slots_per_subframe +
lroundf((float)offsetInSubframe / fp->samples_per_slot0))%(fp->slots_per_frame);
if (proc->tti_rx == NR_UPLINK_SLOT || fp->frame_type == FDD) {
nr_fep_full(ru,proc->tti_rx);
}
gNB_top(&RC.gNB[0][0].proc, ru);
gNB_L1_rxtx_proc_t *L1_proc = &RC.gNB[0][0].proc.L1_proc;
if (rxtx(&RC.gNB[0][0],L1_proc->frame_rx,L1_proc->slot_rx,L1_proc->frame_tx,L1_proc->slot_tx) < 0)
LOG_E(PHY,"gNB %d CC_id %d failed during execution\n",RC.gNB[0][0].Mod_id,RC.gNB[0][0].CC_id);
// do TX front-end processing if needed (precoding and/or IDFTs)
//ru->feptx_prec(ru,proc->frame_tx,proc->tti_tx);
nr_feptx_prec(ru,proc->frame_tx,proc->tti_tx);
// do OFDM with/without TX front-end processing if needed
//ru->feptx_ofdm
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
if (nr_slot_select(cfg,proc->frame_tx, proc->tti_tx ) != SF_UL) {
int aa=0; // antenna 0 hardcoded
NR_DL_FRAME_PARMS *fp=ru->nr_frame_parms;
nr_feptx0(ru,proc->tti_tx,0,fp->symbols_per_slot,aa);
}
// do outgoing fronthaul (south) if needed
tx_rf(ru,proc->frame_tx,proc->tti_tx,proc->timestamp_tx);
}
printf( "Exiting ru_thread \n");
ru->rfdevice.trx_end_func(&ru->rfdevice);
static int ru_thread_status = 0;
return &ru_thread_status;
}
void launch_NR_RU(char *rf_config_file) {
printf("configuring RU from file\n");
RCconfig_RU();
LOG_I(PHY,"number of L1 instances %d, number of RU %d, number of CPU cores %d\n",
RC.nb_nr_L1_inst,RC.nb_RU,get_nprocs());
LOG_D(PHY,"Process RUs RC.nb_RU:%d\n",RC.nb_RU);
for (int ru_id=0; ru_id<RC.nb_RU; ru_id++) {
LOG_D(PHY,"Process RC.ru[%d]\n",ru_id);
RU_t *ru = RC.ru[ru_id];
ru->rf_config_file = rf_config_file;
ru->idx = ru_id;
ru->ts_offset = 0;
// use gNB_list[0] as a reference for RU frame parameters
// NOTE: multiple CC_id are not handled here yet!
LOG_D(PHY, "%s() RC.ru[%d].num_gNB:%d ru->gNB_list[0]:%p rf_config_file:%s\n",
__FUNCTION__, ru_id, ru->num_gNB, ru->gNB_list[0], ru->rf_config_file);
LOG_E(PHY,"ru->gNB_list ru->num_gNB hardcoded: one RU connected to carrier 0 of gNB 0\n");
ru->gNB_list[0] = &RC.gNB[0][0];
ru->num_gNB=1;
LOG_I(PHY,"Copying frame parms from gNB in RC to ru %d and frame_parms in ru\n",ru->idx);
memcpy((void *)ru->nr_frame_parms,&RC.gNB[0][0].frame_parms,sizeof(NR_DL_FRAME_PARMS));
for (int i=0; i<ru->num_gNB; i++) {
PHY_VARS_gNB *gNB0 = ru->gNB_list[i];
gNB0->RU_list[gNB0->num_RU++] = ru;
}
RU_proc_t *proc = &ru->proc;
threadCreate( &proc->pthread_FH, ru_thread, (void *)ru, "thread_FH", -1, OAI_PRIORITY_RT_MAX );
}
}
int main( int argc, char **argv ) {
AssertFatal(load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY),
"[SOFTMODEM] Error, configuration module init failed\n");
logInit();
#ifndef PACKAGE_VERSION
# define PACKAGE_VERSION "UNKNOWN"
#endif
LOG_I(HW, "Version: %s\n", PACKAGE_VERSION);
configure_linux();
get_options ();
get_common_options(SOFTMODEM_GNB_BIT );
if (CONFIG_ISFLAGSET(CONFIG_ABORT) ) {
fprintf(stderr,"Getting configuration failed\n");
exit(-1);
}
cpuf=get_cpu_freq_GHz();
itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info);
set_taus_seed (0);
init_opt();
if(IS_SOFTMODEM_NOS1)
init_pdcp();
init_main_gNB();
/* Start the agent. If it is turned off in the configuration, it won't start */
RCconfig_nr_flexran();
for (int i = 0; i < RC.nb_nr_L1_inst; i++) {
flexran_agent_start(i);
}
// init UE_PF_PO and mutex lock (paging from S1AP)
pthread_mutex_init(&ue_pf_po_mutex, NULL);
printf("NFAPI*** - mutex and cond created - will block shortly for completion of PNF connection\n");
pthread_cond_init(&nfapi_sync_cond,NULL);
pthread_mutex_init(&nfapi_sync_mutex, NULL);
const char *nfapi_mode_str[] = {
"MONOLITHIC", "PNF", "VNF",
};
AssertFatal(nfapi_mode < 3,"");
printf("NFAPI MODE:%s\n", nfapi_mode_str[nfapi_mode]);
if (nfapi_mode==NFAPI_MODE_VNF) // VNF
wait_nfapi_init("main?");
number_of_cards = 1;
LOG_I(PHY,"Initializing gNB threads\n");
init_gNB(single_thread_flag,wait_for_sync);
printf("wait_gNBs()\n");
wait_gNBs();
printf("About to Init RU threads RC.nb_RU:%d\n", RC.nb_RU);
config_sync_var=0;
if (nfapi_mode==NFAPI_MODE_PNF) { // PNF
wait_nfapi_init("main?");
}
printf("wait RUs\n");
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");
if (nfapi_mode != NFAPI_MODE_PNF && nfapi_mode != NFAPI_MODE_VNF) {
printf("Not NFAPI mode - call init_eNB_afterRU()\n");
init_eNB_afterRU();
} else {
printf("NFAPI mode - DO NOT call init_gNB_afterRU()\n");
}
init_gNB_proc(0); // only instance 0 (one gNB per process)
if (RC.nb_RU >0) {
printf("Initializing RU threads\n");
launch_NR_RU(get_softmodem_params()->rf_config_file);
}
if (opp_enabled ==1) {
pthread_t t;
threadCreate(&t, process_stats_thread,
(void *)NULL, "time_meas", -1, OAI_PRIORITY_RT_LOW);
}
if (do_forms==1) {
scopeParms_t tmp= {&argc, argv};
startScope(&tmp);
}
while(!oai_exit)
sleep(1);
for(int ru_id=0; ru_id<NB_RU; ru_id++) {
if (RC.ru[ru_id]->rfdevice.trx_end_func)
RC.ru[ru_id]->rfdevice.trx_end_func(&RC.ru[ru_id]->rfdevice);
if (RC.ru[ru_id]->ifdevice.trx_end_func)
RC.ru[ru_id]->ifdevice.trx_end_func(&RC.ru[ru_id]->ifdevice);
}
logClean();
printf("Bye.\n");
return 0;
}
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