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Make openair0_cfg thread safe

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Move openair0_cfg to PHY_VARS_NR_UE making it UE instance specific
and thread safe.
This commit is contained in:
Bartosz Podrygajlo
2025-08-27 13:15:37 +02:00
parent 62bcd822c5
commit d72ee11b32
10 changed files with 59 additions and 53 deletions
Download Patch File Download Diff File Expand all files Collapse all files
executables/nr-uesoftmodem.c
+33 -34
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@@ -121,8 +121,6 @@ int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
uint64_t sidelink_frequency[MAX_NUM_CCs][4];
// 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;
@@ -249,41 +247,42 @@ void set_options(int CC_id, PHY_VARS_NR_UE *UE){
}
static void init_openair0()
void init_openair0(PHY_VARS_NR_UE *ue)
{
int card;
int freq_off = 0;
NR_DL_FRAME_PARMS *frame_parms = &PHY_vars_UE_g[0][0]->frame_parms;
NR_DL_FRAME_PARMS *frame_parms = &ue->frame_parms;
bool is_sidelink = (get_softmodem_params()->sl_mode) ? true : false;
if (is_sidelink)
frame_parms = &PHY_vars_UE_g[0][0]->SL_UE_PHY_PARAMS.sl_frame_params;
frame_parms = &ue->SL_UE_PHY_PARAMS.sl_frame_params;
for (card=0; card<MAX_CARDS; card++) {
openair0_config_t *cfg = &ue->openair0_cfg[card];
uint64_t dl_carrier, ul_carrier;
openair0_cfg[card].configFilename = NULL;
openair0_cfg[card].sample_rate = frame_parms->samples_per_subframe * 1e3;
openair0_cfg[card].samples_per_frame = frame_parms->samples_per_frame;
cfg->configFilename = NULL;
cfg->sample_rate = frame_parms->samples_per_subframe * 1e3;
cfg->samples_per_frame = frame_parms->samples_per_frame;
if (frame_parms->frame_type==TDD)
openair0_cfg[card].duplex_mode = duplex_mode_TDD;
cfg->duplex_mode = duplex_mode_TDD;
else
openair0_cfg[card].duplex_mode = duplex_mode_FDD;
cfg->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].tune_offset = get_softmodem_params()->tune_offset;
openair0_cfg[card].tx_num_channels = min(4, frame_parms->nb_antennas_tx);
openair0_cfg[card].rx_num_channels = min(4, frame_parms->nb_antennas_rx);
cfg->Mod_id = 0;
cfg->num_rb_dl = frame_parms->N_RB_DL;
cfg->clock_source = get_softmodem_params()->clock_source;
cfg->time_source = get_softmodem_params()->timing_source;
cfg->tune_offset = get_softmodem_params()->tune_offset;
cfg->tx_num_channels = min(4, frame_parms->nb_antennas_tx);
cfg->rx_num_channels = min(4, frame_parms->nb_antennas_rx);
LOG_I(PHY,
"HW: Configuring card %d, sample_rate %f, tx/rx num_channels %d/%d, duplex_mode %s\n",
card,
openair0_cfg[card].sample_rate,
openair0_cfg[card].tx_num_channels,
openair0_cfg[card].rx_num_channels,
duplex_mode_txt[openair0_cfg[card].duplex_mode]);
cfg->sample_rate,
cfg->tx_num_channels,
cfg->rx_num_channels,
duplex_mode_txt[cfg->duplex_mode]);
if (is_sidelink) {
dl_carrier = frame_parms->dl_CarrierFreq;
@@ -291,16 +290,18 @@ static void init_openair0()
} else
nr_get_carrier_frequencies(PHY_vars_UE_g[0][0], &dl_carrier, &ul_carrier);
nr_rf_card_config_freq(&openair0_cfg[card], ul_carrier, dl_carrier, freq_off);
nr_rf_card_config_freq(cfg, ul_carrier, dl_carrier, freq_off);
nr_rf_card_config_gain(&openair0_cfg[card], rx_gain_off);
nr_rf_card_config_gain(cfg, rx_gain_off);
openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file;
if (get_nrUE_params()->usrp_args) openair0_cfg[card].sdr_addrs = get_nrUE_params()->usrp_args;
if (get_nrUE_params()->tx_subdev) openair0_cfg[card].tx_subdev = get_nrUE_params()->tx_subdev;
if (get_nrUE_params()->rx_subdev) openair0_cfg[card].rx_subdev = get_nrUE_params()->rx_subdev;
cfg->configFilename = get_softmodem_params()->rf_config_file;
if (get_nrUE_params()->usrp_args)
cfg->sdr_addrs = get_nrUE_params()->usrp_args;
if (get_nrUE_params()->tx_subdev)
cfg->tx_subdev = get_nrUE_params()->tx_subdev;
if (get_nrUE_params()->rx_subdev)
cfg->rx_subdev = get_nrUE_params()->rx_subdev;
}
}
@@ -388,7 +389,6 @@ int main(int argc, char **argv)
}
//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();
@@ -427,12 +427,11 @@ int main(int argc, char **argv)
char *pckg = strdup(OAI_PACKAGE_VERSION);
LOG_I(HW, "Version: %s\n", pckg);
PHY_vars_UE_g = malloc(sizeof(*PHY_vars_UE_g) * NB_UE_INST);
PHY_vars_UE_g = calloc_or_fail(NB_UE_INST, sizeof(*PHY_vars_UE_g));
for (int inst = 0; inst < NB_UE_INST; inst++) {
PHY_vars_UE_g[inst] = malloc(sizeof(*PHY_vars_UE_g[inst]) * MAX_NUM_CCs);
PHY_vars_UE_g[inst] = calloc_or_fail(MAX_NUM_CCs, sizeof(*PHY_vars_UE_g[inst]));
for (int CC_id = 0; CC_id < MAX_NUM_CCs; CC_id++) {
PHY_vars_UE_g[inst][CC_id] = malloc(sizeof(*PHY_vars_UE_g[inst][CC_id]));
memset(PHY_vars_UE_g[inst][CC_id], 0, sizeof(*PHY_vars_UE_g[inst][CC_id]));
PHY_vars_UE_g[inst][CC_id] = calloc_or_fail(1, sizeof(*PHY_vars_UE_g[inst][CC_id]));
// All instances use the same coding interface
PHY_vars_UE_g[inst][CC_id]->nrLDPC_coding_interface = nrLDPC_coding_interface;
}
@@ -542,10 +541,10 @@ int main(int argc, char **argv)
get_nrUE_params()->ofdm_offset_divisor);
sl_ue_phy_init(UE[CC_id]);
}
init_openair0(UE[CC_id]);
}
}
init_openair0();
lock_memory_to_ram();
if (IS_SOFTMODEM_DOSCOPE) {