Files
openairinterface5g/executables/main_nr_ru.c
2026-07-09 11:34:00 +02:00

258 lines
7.0 KiB
C

/*
* SPDX-License-Identifier: LicenseRef-CSSL-1.0
*/
#include <sched.h>
#include "assertions.h"
#include "PHY/types.h"
#include "PHY/defs_RU.h"
#include "common/oai_version.h"
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "common/ran_context.h"
#include "radio/ETHERNET/if_defs.h"
#include "PHY/phy_vars.h"
#include "PHY/phy_extern.h"
#include "PHY/TOOLS/phy_scope_interface.h"
#include "common/utils/LOG/log.h"
#include "openair2/ENB_APP/enb_paramdef.h"
#include "system.h"
#include "nfapi/oai_integration/vendor_ext.h"
#include <executables/softmodem-common.h>
#include <executables/thread-common.h>
#include "executables/nr-softmodem.h"
#include "nr-oru.h"
#include "openair1/PHY/INIT/nr_phy_init.h"
#include "openair1/SCHED_NR/sched_nr.h"
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;
int oai_exit = 0;
int sf_ahead = 4;
int emulate_rf = 0;
RAN_CONTEXT_t RC;
int64_t uplink_frequency_offset[MAX_NUM_CCs][4];
void nfapi_setmode(nfapi_mode_t nfapi_mode)
{
return;
}
void exit_function(const char *file, const char *function, const int line, const char *s, const int assert)
{
if (s != NULL) {
printf("%s:%d %s() Exiting OAI softmodem: %s\n", file, line, function, s);
}
close_log_mem();
oai_exit = 1;
RU_t *ru = RC.ru[0];
if (ru->rfdevice.trx_end_func) {
ru->rfdevice.trx_end_func(&ru->rfdevice);
ru->rfdevice.trx_end_func = NULL;
}
if (ru->ifdevice.trx_end_func) {
ru->ifdevice.trx_end_func(&ru->ifdevice);
ru->ifdevice.trx_end_func = NULL;
}
pthread_mutex_destroy(ru->ru_mutex);
pthread_cond_destroy(ru->ru_cond);
if (assert) {
abort();
} else {
sleep(1); // allow lte-softmodem threads to exit first
exit(EXIT_SUCCESS);
}
}
static void get_options(configmodule_interface_t *cfg)
{
CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
get_common_options(cfg);
CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP);
// NRCConfig();
}
nfapi_mode_t nfapi_getmode(void)
{
return (NFAPI_MODE_PNF);
}
void oai_nfapi_rach_ind(nfapi_rach_indication_t *rach_ind)
{
AssertFatal(1 == 0, "This is bad ... please check why we get here\n");
}
void wait_eNBs(void)
{
return;
}
void wait_gNBs(void)
{
return;
}
struct timespec timespec_add(struct timespec, struct timespec)
{
struct timespec t = {0};
return t;
};
struct timespec timespec_sub(struct timespec, struct timespec)
{
struct timespec t = {0};
return t;
};
void beam_index_allocation(uint16_t fapi_beam_index,
int ant,
int num_ports,
int symbols_per_slot,
int slot,
uint16_t bitmap_symbols,
int num_ant_max,
uint16_t **ant_beam_id_list)
{
}
uint16_t get_first_ant_idx(bool das, uint16_t num_ports_beams, uint16_t beam_id, uint16_t fapi_start_port)
{
return 0;
};
void nr_fill_du(uint16_t N_ZC, const uint16_t *prach_root_sequence_map, uint16_t nr_du[NR_PRACH_SEQ_LEN_L - 1])
{
return;
};
static void sig_handler(int sig_num)
{
oai_exit = 1;
}
uint16_t nr_du[838];
uint64_t downlink_frequency[MAX_NUM_CCs][4];
configmodule_interface_t *uniqCfg = NULL;
THREAD_STRUCT thread_struct;
int main(int argc, char **argv)
{
memset(&RC, 0, sizeof(RC));
if ((uniqCfg = load_configmodule(argc, argv, 0)) == NULL) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
logInit();
LOG_W(PHY, "%s is experimental software and at this point is not an implementation of a 7.2 O-RAN RU\n", argv[0]);
printf("Reading in command-line options\n");
get_options(uniqCfg);
if (CONFIG_ISFLAGSET(CONFIG_ABORT)) {
fprintf(stderr, "Getting configuration failed\n");
exit(-1);
}
#if T_TRACER
T_Config_Init();
#endif
printf("configuring for RRU\n");
// strdup to put the sring in the core file for post mortem identification
LOG_I(HW, "Version: %s\n", strdup(OAI_PACKAGE_VERSION));
/* Read configuration */
printf("About to Init RU threads\n");
lock_memory_to_ram();
load_dftslib();
RC.nb_RU = 1;
RC.ru = malloc(sizeof(RC.ru));
init_NR_RU(config_get_if(), NULL);
RU_t *ru = RC.ru[0];
ORU_t oru = {0};
oru.ru = ru;
int ret = get_oru_options(&oru);
AssertFatal(ret == 0, "Cannot configure oru, check your config file/cmdline");
ru->numerology = oru.numerology;
oru_init_frame_parms(&oru);
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nr_dump_frame_parms(fp);
init_symbol_rotation(fp);
init_timeshift_rotation(fp->ofdm_symbol_size, fp->nb_prefix_samples, fp->ofdm_offset_divisor, fp->timeshift_symbol_rotation);
ru->if_south = LOCAL_RF;
nr_phy_init_RU(oru.ru);
fill_rf_config(ru, ru->rf_config_file);
ru->N_TA_offset = set_default_nta_offset(fp->freq_range, fp->samples_per_subframe);
/* set PRACH configuration */
nfapi_nr_prach_config_t *prach_config = &ru->config.prach_config;
prach_config->prach_ConfigurationIndex.value = oru.prach_config_index;
prach_config->num_prach_fd_occasions_list[0].k1.value = oru.prach_msg1_freq;
prach_config->prach_sequence_length.value = 1;
prach_config->prach_sub_c_spacing.value = 1;
prach_config->num_prach_fd_occasions.value = 1;
reset_meas(&oru.rx_prach);
oru.prach_info = get_nr_prach_occasion_info_from_index(oru.prach_config_index, FR1, fp->frame_type);
LOG_A(PHY, "PRACH configuration index %d\n", oru.prach_config_index);
LOG_A(PHY,
"PRACH format %d start_symbol %d duration %d\n",
oru.prach_info.format,
oru.prach_info.start_symbol,
oru.prach_info.N_dur);
prepare_prach_item(&oru);
oru.fronthaul = oru_fh_init(&oru.fh_config);
AssertFatal(oru.fronthaul != NULL, "Cannot configure oru fronthaul, check your config file/cmdline");
LOG_I(PHY, "starting rfdevice\n");
ret = openair0_device_load(&ru->rfdevice, &ru->openair0_cfg);
AssertFatal(ret == 0, "RU %u: openair0_device_load() ret %d: cannot initialize rfdevice\n", ru->idx, ret);
ret = ru->rfdevice.trx_start_func(&ru->rfdevice);
AssertFatal(ret == 0, "RU %u: trx_start_func() ret %d: cannot start rfdevice\n", ru->idx, ret);
threadCreate(&oru.north_read_thread, oru_north_read_thread, (void *)&oru, "north_read_thread", -1, OAI_PRIORITY_RT_MAX);
threadCreate(&oru.south_read_thread, oru_south_read_thread, (void *)&oru, "south_read_thread", -1, OAI_PRIORITY_RT_MAX);
usleep(1000);
oru_fh_start(oru.fronthaul);
// Signal handler
signal(SIGINT, sig_handler);
while (oai_exit == 0) {
oru_fh_print_stats(oru.fronthaul);
sleep(1);
}
pthread_join(oru.north_read_thread, NULL);
pthread_join(oru.south_read_thread, NULL);
oru_fh_stop(oru.fronthaul);
if (ru->rfdevice.trx_stop_func) {
ru->rfdevice.trx_stop_func(&ru->rfdevice);
ru->rfdevice.trx_stop_func = NULL;
}
if (ru->rfdevice.trx_end_func) {
ru->rfdevice.trx_end_func(&ru->rfdevice);
ru->rfdevice.trx_end_func = NULL;
}
end_configmodule(uniqCfg);
logClean();
printf("Bye.\n");
return 0;
}