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Commit 44bc3e7c authored by francescomani's avatar francescomani
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taking sib1 detection out of initial sync

parent f65ce8c4
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Showing with 152 additions and 371 deletions
executables/nr-ue.c
View file @ 44bc3e7c
......@@ -305,10 +305,10 @@ static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
nr_ue_dl_indication(&mac->dl_info);
process_queued_nr_nfapi_msgs(mac, sfn_slot);
}
if (mac->scc == NULL && mac->scc_SIB == NULL) {
LOG_D(MAC, "[NSA] mac->scc == NULL and [SA] mac->scc_SIB == NULL!\n");
continue;
}
bool only_dl = false;
if (mac->scc == NULL && mac->scc_SIB == NULL)
only_dl = true;
int CC_id = 0;
uint8_t gNB_id = 0;
......@@ -332,7 +332,8 @@ static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
free_and_zero(ch_info);
}
if (is_nr_DL_slot(get_softmodem_params()->nsa ?
if (only_dl ||
is_nr_DL_slot(get_softmodem_params()->nsa ?
mac->scc->tdd_UL_DL_ConfigurationCommon :
mac->scc_SIB->tdd_UL_DL_ConfigurationCommon,
ul_info.slot_rx)) {
......@@ -349,7 +350,8 @@ static void *NRUE_phy_stub_standalone_pnf_task(void *arg)
if (pthread_mutex_unlock(&mac->mutex_dl_info)) abort();
if (is_nr_UL_slot(get_softmodem_params()->nsa ?
if (!only_dl &&
is_nr_UL_slot(get_softmodem_params()->nsa ?
mac->scc->tdd_UL_DL_ConfigurationCommon :
mac->scc_SIB->tdd_UL_DL_ConfigurationCommon,
ul_info.slot_tx, mac->frame_type)) {
......@@ -510,8 +512,9 @@ static void RU_write(nr_rxtx_thread_data_t *rxtxD) {
radio_tx_burst_flag_t flags = TX_BURST_INVALID;
NR_UE_MAC_INST_t *mac = get_mac_inst(0);
if (openair0_cfg[0].duplex_mode == duplex_mode_TDD && !get_softmodem_params()->continuous_tx) {
if (mac->phy_config_request_sent &&
openair0_cfg[0].duplex_mode == duplex_mode_TDD &&
!get_softmodem_params()->continuous_tx) {
uint8_t tdd_period = mac->phy_config.config_req.tdd_table.tdd_period_in_slots;
int nrofUplinkSlots, nrofUplinkSymbols;
......@@ -594,8 +597,8 @@ void processSlotTX(void *arg) {
RU_write(rxtxD);
}
nr_phy_data_t UE_dl_preprocessing(PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
nr_phy_data_t UE_dl_preprocessing(PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc)
{
nr_phy_data_t phy_data = {0};
if (IS_SOFTMODEM_NOS1 || get_softmodem_params()->sa) {
......@@ -619,7 +622,7 @@ nr_phy_data_t UE_dl_preprocessing(PHY_VARS_NR_UE *UE, UE_nr_rxtx_proc_t *proc) {
}
}
if (proc->rx_slot_type == NR_DOWNLINK_SLOT || proc->rx_slot_type == NR_MIXED_SLOT){
if (proc->rx_slot_type == NR_DOWNLINK_SLOT || proc->rx_slot_type == NR_MIXED_SLOT) {
if(UE->if_inst != NULL && UE->if_inst->dl_indication != NULL) {
nr_downlink_indication_t dl_indication;
......@@ -749,7 +752,8 @@ static inline int get_readBlockSize(uint16_t slot, NR_DL_FRAME_PARMS *fp) {
return rem_samples + next_slot_first_symbol;
}
void *UE_thread(void *arg) {
void *UE_thread(void *arg)
{
//this thread should be over the processing thread to keep in real time
PHY_VARS_NR_UE *UE = (PHY_VARS_NR_UE *) arg;
// int tx_enabled = 0;
......@@ -793,21 +797,14 @@ void *UE_thread(void *arg) {
if (res) {
syncRunning=false;
syncData_t *tmp=(syncData_t *)NotifiedFifoData(res);
if (UE->is_synchronized) {
decoded_frame_rx = mac->mib_frame;
LOG_I(PHY,"UE synchronized decoded_frame_rx=%d UE->init_sync_frame=%d trashed_frames=%d\n",
decoded_frame_rx,
UE->init_sync_frame,
trashed_frames);
decoded_frame_rx=(((mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused)<<4) | tmp->proc.decoded_frame_rx);
// shift the frame index with all the frames we trashed meanwhile we perform the synch search
decoded_frame_rx=(decoded_frame_rx + UE->init_sync_frame + trashed_frames) % MAX_FRAME_NUMBER;
// wait for RRC to configure PHY parameters from SIB
if (get_softmodem_params()->sa) {
notifiedFIFO_elt_t *phy_config_res = pullNotifiedFIFO(&UE->phy_config_ind);
delNotifiedFIFO_elt(phy_config_res);
}
decoded_frame_rx = (decoded_frame_rx + UE->init_sync_frame + trashed_frames) % MAX_FRAME_NUMBER;
}
delNotifiedFIFO_elt(res);
start_rx_stream=0;
......@@ -856,7 +853,7 @@ void *UE_thread(void *arg) {
// and we shifted above to the first slot of next frame
decoded_frame_rx++;
// we do ++ first in the regular processing, so it will be begin of frame;
absolute_slot=decoded_frame_rx*nb_slot_frame -1;
absolute_slot = decoded_frame_rx * nb_slot_frame - 1;
continue;
}
......@@ -869,11 +866,16 @@ void *UE_thread(void *arg) {
// update thread index for received subframe
curMsg.proc.nr_slot_rx = slot_nr;
curMsg.proc.nr_slot_tx = (absolute_slot + DURATION_RX_TO_TX) % nb_slot_frame;
curMsg.proc.frame_rx = (absolute_slot/nb_slot_frame) % MAX_FRAME_NUMBER;
curMsg.proc.frame_tx = ((absolute_slot+DURATION_RX_TO_TX)/nb_slot_frame) % MAX_FRAME_NUMBER;
curMsg.proc.frame_rx = (absolute_slot / nb_slot_frame) % MAX_FRAME_NUMBER;
curMsg.proc.frame_tx = ((absolute_slot + DURATION_RX_TO_TX) / nb_slot_frame) % MAX_FRAME_NUMBER;
if (mac->phy_config_request_sent) {
curMsg.proc.rx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.frame_rx, curMsg.proc.nr_slot_rx);
curMsg.proc.tx_slot_type = nr_ue_slot_select(cfg, curMsg.proc.frame_tx, curMsg.proc.nr_slot_tx);
curMsg.proc.decoded_frame_rx=-1;
}
else {
curMsg.proc.rx_slot_type = NR_DOWNLINK_SLOT;
curMsg.proc.tx_slot_type = NR_DOWNLINK_SLOT;
}
int firstSymSamp = get_firstSymSamp(slot_nr, &UE->frame_parms);
for (int i=0; i<UE->frame_parms.nb_antennas_rx; i++)
......@@ -882,9 +884,9 @@ void *UE_thread(void *arg) {
int readBlockSize, writeBlockSize;
readBlockSize=get_readBlockSize(slot_nr, &UE->frame_parms);
writeBlockSize=UE->frame_parms.get_samples_per_slot((slot_nr + DURATION_RX_TO_TX) % nb_slot_frame, &UE->frame_parms);
if (UE->apply_timing_offset && (slot_nr == nb_slot_frame-1)) {
readBlockSize = get_readBlockSize(slot_nr, &UE->frame_parms);
writeBlockSize = UE->frame_parms.get_samples_per_slot((slot_nr + DURATION_RX_TO_TX) % nb_slot_frame, &UE->frame_parms);
if (UE->apply_timing_offset && (slot_nr == nb_slot_frame - 1)) {
const int sampShift = -(UE->rx_offset>>1);
readBlockSize -= sampShift;
writeBlockSize -= sampShift;
......@@ -898,11 +900,11 @@ void *UE_thread(void *arg) {
readBlockSize,
UE->frame_parms.nb_antennas_rx),"");
if( slot_nr==(nb_slot_frame-1)) {
if(slot_nr == (nb_slot_frame - 1)) {
// read in first symbol of next frame and adjust for timing drift
int first_symbols=UE->frame_parms.ofdm_symbol_size+UE->frame_parms.nb_prefix_samples0; // first symbol of every frames
int first_symbols = UE->frame_parms.ofdm_symbol_size + UE->frame_parms.nb_prefix_samples0; // first symbol of every frames
if ( first_symbols > 0 ) {
if (first_symbols > 0) {
openair0_timestamp ignore_timestamp;
AssertFatal(first_symbols ==
UE->rfdevice.trx_read_func(&UE->rfdevice,
......@@ -915,7 +917,7 @@ void *UE_thread(void *arg) {
}
// use previous timing_advance value to compute writeTimestamp
writeTimestamp = timestamp+
writeTimestamp = timestamp +
UE->frame_parms.get_samples_slot_timestamp(slot_nr,&UE->frame_parms,DURATION_RX_TO_TX)
- firstSymSamp - openair0_cfg[0].tx_sample_advance -
UE->N_TA_offset - timing_advance;
......@@ -947,15 +949,6 @@ void *UE_thread(void *arg) {
curMsgRx->phy_data = UE_dl_preprocessing(UE, &curMsg.proc);
pushTpool(&(get_nrUE_params()->Tpool), newElt);
if (curMsg.proc.decoded_frame_rx != -1)
decoded_frame_rx=(((mac->mib->systemFrameNumber.buf[0] >> mac->mib->systemFrameNumber.bits_unused)<<4) | curMsg.proc.decoded_frame_rx);
else
decoded_frame_rx=-1;
if (decoded_frame_rx>0 && decoded_frame_rx != curMsg.proc.frame_rx)
LOG_E(PHY,"Decoded frame index (%d) is not compatible with current context (%d), UE should go back to synch mode\n",
decoded_frame_rx, curMsg.proc.frame_rx);
// Wait for TX slot processing to finish
notifiedFIFO_elt_t *res;
res = pullTpool(&txFifo, &(get_nrUE_params()->Tpool));
......
openair1/PHY/NR_UE_TRANSPORT/nr_initial_sync.c
View file @ 44bc3e7c
......@@ -101,7 +101,7 @@ void free_list(NR_UE_SSB *node) {
}
int nr_pbch_detection(UE_nr_rxtx_proc_t * proc, PHY_VARS_NR_UE *ue, int pbch_initial_symbol, nr_phy_data_t *phy_data, c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
int nr_pbch_detection(UE_nr_rxtx_proc_t * proc, PHY_VARS_NR_UE *ue, int pbch_initial_symbol, c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
{
NR_DL_FRAME_PARMS *frame_parms=&ue->frame_parms;
int ret =-1;
......@@ -163,7 +163,6 @@ int nr_pbch_detection(UE_nr_rxtx_proc_t * proc, PHY_VARS_NR_UE *ue, int pbch_ini
frame_parms,
temp_ptr->i_ssb,
SISO,
phy_data,
&result,
rxdataF);
......@@ -214,9 +213,6 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
int ret=-1;
int rx_power=0; //aarx,
nr_phy_data_t phy_data = {0};
NR_UE_PDCCH_CONFIG *phy_pdcch_config = &phy_data.phy_pdcch_config;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INITIAL_UE_SYNC, VCD_FUNCTION_IN);
......@@ -317,7 +313,7 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
if (ret==0) { //we got sss channel
nr_gold_pbch(ue);
ret = nr_pbch_detection(proc, ue, 1, &phy_data, rxdataF); // start pbch detection at first symbol after pss
ret = nr_pbch_detection(proc, ue, 1, rxdataF); // start pbch detection at first symbol after pss
}
if (ret == 0) {
......@@ -464,103 +460,6 @@ int nr_initial_sync(UE_nr_rxtx_proc_t *proc,
#endif
}
if (ue->target_Nid_cell != -1) {
return ret;
}
// if stand alone and sync on ssb do sib1 detection as part of initial sync
if (sa == 1 && ret == 0) {
nr_ue_dlsch_init(phy_data.dlsch, 1, ue->max_ldpc_iterations);
bool dec = false;
proc->gNB_id = 0; //FIXME
// Hold the channel estimates in frequency domain.
int32_t pdcch_est_size = ((((fp->symbols_per_slot*(fp->ofdm_symbol_size+LTE_CE_FILTER_LENGTH))+15)/16)*16);
__attribute__ ((aligned(16))) int32_t pdcch_dl_ch_estimates[4*fp->nb_antennas_rx][pdcch_est_size];
for(int n_ss = 0; n_ss < phy_pdcch_config->nb_search_space; n_ss++) {
proc->nr_slot_rx = phy_pdcch_config->slot; // setting PDCCH slot to proc
uint8_t nb_symb_pdcch = phy_pdcch_config->pdcch_config[n_ss].coreset.duration;
int start_symb = phy_pdcch_config->pdcch_config[n_ss].coreset.StartSymbolIndex;
for (uint16_t l=start_symb; l<start_symb+nb_symb_pdcch; l++) {
nr_slot_fep_init_sync(ue,
proc,
l, // the UE PHY has no notion of the symbols to be monitored in the search space
frame_id * fp->samples_per_frame + phy_pdcch_config->sfn * fp->samples_per_frame + ue->rx_offset,
true,
rxdataF,
link_type_dl);
nr_pdcch_channel_estimation(ue,
proc,
l,
&phy_pdcch_config->pdcch_config[n_ss].coreset,
fp->first_carrier_offset,
phy_pdcch_config->pdcch_config[n_ss].BWPStart,
pdcch_est_size,
pdcch_dl_ch_estimates,
rxdataF);
}
int dci_cnt = nr_ue_pdcch_procedures(ue, proc, pdcch_est_size, pdcch_dl_ch_estimates, &phy_data, n_ss, rxdataF);
if (dci_cnt>0){
NR_UE_DLSCH_t *dlsch = phy_data.dlsch;
if (dlsch[0].active == 1) {
uint16_t nb_symb_sch = dlsch->dlsch_config.number_symbols;
uint16_t start_symb_sch = dlsch->dlsch_config.start_symbol;
for (uint16_t m=start_symb_sch;m<(nb_symb_sch+start_symb_sch) ; m++){
nr_slot_fep_init_sync(ue,
proc,
m,
frame_id * fp->samples_per_frame + phy_pdcch_config->sfn * fp->samples_per_frame + ue->rx_offset,
true,
rxdataF,
link_type_dl);
}
uint8_t nb_re_dmrs;
if (dlsch[0].dlsch_config.dmrsConfigType == NFAPI_NR_DMRS_TYPE1) {
nb_re_dmrs = 6*dlsch[0].dlsch_config.n_dmrs_cdm_groups;
}
else {
nb_re_dmrs = 4*dlsch[0].dlsch_config.n_dmrs_cdm_groups;
}
uint16_t dmrs_len = get_num_dmrs(dlsch[0].dlsch_config.dlDmrsSymbPos);
const uint32_t rx_llr_size = nr_get_G(dlsch[0].dlsch_config.number_rbs,
dlsch[0].dlsch_config.number_symbols,
nb_re_dmrs,
dmrs_len,
dlsch[0].dlsch_config.qamModOrder,
dlsch[0].Nl);
int16_t* llr[2];
int16_t* layer_llr[NR_MAX_NB_LAYERS];
llr[0] = (int16_t *)malloc16_clear(rx_llr_size*sizeof(int16_t));
int ret = nr_ue_pdsch_procedures(ue,
proc,
phy_data.dlsch,
llr,
rxdataF);
if (ret >= 0)
dec = nr_ue_dlsch_procedures(ue,
proc,
phy_data.dlsch,
llr);
// deactivate dlsch once dlsch proc is done
dlsch[0].active = 0;
free(llr[0]);
for (int i=0; i<NR_MAX_NB_LAYERS; i++)
free(layer_llr[i]);
}
}
}
if (dec == false) // sib1 not decoded
ret = -1;
}
// exit_fun("debug exit");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INITIAL_UE_SYNC, VCD_FUNCTION_OUT);
return ret;
......
openair1/PHY/NR_UE_TRANSPORT/nr_pbch.c
View file @ 44bc3e7c
......@@ -389,7 +389,6 @@ int nr_rx_pbch(PHY_VARS_NR_UE *ue,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t i_ssb,
MIMO_mode_t mimo_mode,
nr_phy_data_t *phy_data,
fapiPbch_t *result,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP])
{
......@@ -515,7 +514,7 @@ int nr_rx_pbch(PHY_VARS_NR_UE *ue,
uint16_t number_pdus = 1;
if(decoderState) {
nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, phy_data);
nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, NULL);
nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_SSB, ue, NULL, NULL, number_pdus, proc, NULL, NULL);
if (ue->if_inst && ue->if_inst->dl_indication)
ue->if_inst->dl_indication(&dl_indication);
......@@ -569,12 +568,6 @@ int nr_rx_pbch(PHY_VARS_NR_UE *ue,
if (frame_parms->half_frame_bit)
ue->symbol_offset += (frame_parms->slots_per_frame>>1)*frame_parms->symbols_per_slot;
uint8_t frame_number_4lsb = 0;
for (int i=0; i<4; i++)
frame_number_4lsb |= ((result->xtra_byte>>i)&1)<<(3-i);
proc->decoded_frame_rx = frame_number_4lsb;
#ifdef DEBUG_PBCH
printf("xtra_byte %x payload %x\n", xtra_byte, payload);
......@@ -585,7 +578,7 @@ int nr_rx_pbch(PHY_VARS_NR_UE *ue,
#endif
nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, phy_data);
nr_fill_dl_indication(&dl_indication, NULL, &rx_ind, proc, ue, NULL);
nr_fill_rx_indication(&rx_ind, FAPI_NR_RX_PDU_TYPE_SSB, ue, NULL, NULL, number_pdus, proc, (void *)result, NULL);
if (ue->if_inst && ue->if_inst->dl_indication)
......
openair1/PHY/NR_UE_TRANSPORT/nr_transport_proto_ue.h
View file @ 44bc3e7c
......@@ -291,14 +291,12 @@ int nr_rx_pbch(PHY_VARS_NR_UE *ue,
NR_DL_FRAME_PARMS *frame_parms,
uint8_t i_ssb,
MIMO_mode_t mimo_mode,
nr_phy_data_t *phy_data,
fapiPbch_t* result,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
int nr_pbch_detection(UE_nr_rxtx_proc_t *proc,
PHY_VARS_NR_UE *ue,
int pbch_initial_symbol,
nr_phy_data_t *phy_data,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]);
......
openair1/PHY/defs_nr_UE.h
View file @ 44bc3e7c
......@@ -665,8 +665,6 @@ typedef struct {
int frame_tx;
/// frame to act upon for reception
int frame_rx;
int frame_number_4lsb;
int decoded_frame_rx;
} UE_nr_rxtx_proc_t;
typedef struct nr_phy_data_tx_s {
......
openair1/SCHED_NR_UE/phy_procedures_nr_ue.c
View file @ 44bc3e7c
......@@ -361,7 +361,6 @@ static int nr_ue_pbch_procedures(PHY_VARS_NR_UE *ue,
UE_nr_rxtx_proc_t *proc,
int estimateSz,
struct complex16 dl_ch_estimates[][estimateSz],
nr_phy_data_t *phy_data,
c16_t rxdataF[][ue->frame_parms.samples_per_slot_wCP]) {
int ret = 0;
......@@ -382,7 +381,6 @@ static int nr_ue_pbch_procedures(PHY_VARS_NR_UE *ue,
&ue->frame_parms,
(ue->frame_parms.ssb_index)&7,
SISO,
phy_data,
&result,
rxdataF);
......@@ -904,7 +902,7 @@ void pbch_pdcch_processing(PHY_VARS_NR_UE *ue,
if(ssb_index == fp->ssb_index) {
LOG_D(PHY," ------ Decode MIB: frame.slot %d.%d ------ \n", frame_rx%1024, nr_slot_rx);
const int pbchSuccess = nr_ue_pbch_procedures(ue, proc, estimateSz, dl_ch_estimates, phy_data, rxdataF);
const int pbchSuccess = nr_ue_pbch_procedures(ue, proc, estimateSz, dl_ch_estimates, rxdataF);
if (ue->no_timing_correction==0 && pbchSuccess == 0) {
LOG_D(PHY,"start adjust sync slot = %d no timing %d\n", nr_slot_rx, ue->no_timing_correction);
......
openair1/SIMULATION/NR_PHY/pbchsim.c
View file @ 44bc3e7c
......@@ -782,7 +782,6 @@ int main(int argc, char **argv)
}
else {
UE_nr_rxtx_proc_t proc={0};
nr_phy_data_t phy_data={0};
UE->rx_offset=0;
uint8_t ssb_index = 0;
......@@ -814,7 +813,6 @@ int main(int argc, char **argv)
frame_parms,
ssb_index%8,
SISO,
&phy_data,
&result,
rxdataF);
......
openair2/LAYER2/NR_MAC_COMMON/nr_mac.h
View file @ 44bc3e7c
......@@ -492,7 +492,6 @@ typedef struct Type0_PDCCH_CSS_config_s {
int sfn_c;
uint32_t n_c;
uint32_t n_0;
uint32_t number_of_search_space_per_slot;
uint32_t first_symbol_index;
uint32_t search_space_duration;
uint32_t search_space_frame_period; // in slots
......
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.c
View file @ 44bc3e7c
......@@ -4106,8 +4106,8 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
int nr_band,
uint32_t ssb_index,
uint32_t ssb_period,
uint32_t ssb_offset_point_a) {
uint32_t ssb_offset_point_a)
{
NR_SubcarrierSpacing_t scs_pdcch;
channel_bandwidth_t min_channel_bw;
......@@ -4303,7 +4303,6 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
float big_m = 0.0f;
type0_PDCCH_CSS_config->sfn_c = -1; // only valid for mux=1
type0_PDCCH_CSS_config->n_c = UINT_MAX;
type0_PDCCH_CSS_config->number_of_search_space_per_slot = UINT_MAX;
type0_PDCCH_CSS_config->first_symbol_index = UINT_MAX;
type0_PDCCH_CSS_config->search_space_duration = 0; // element of search space
// 38.213 table 10.1-1
......@@ -4311,7 +4310,6 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
/// MUX PATTERN 1
if(type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 1 && frequency_range == FR1){
big_o = table_38213_13_11_c1[index_4lsb];
type0_PDCCH_CSS_config->number_of_search_space_per_slot = table_38213_13_11_c2[index_4lsb];
big_m = table_38213_13_11_c3[index_4lsb];
uint32_t temp = (uint32_t)(big_o*(1<<scs_pdcch)) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m);
......@@ -4331,7 +4329,6 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
if(type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 1 && frequency_range == FR2){
big_o = table_38213_13_12_c1[index_4lsb];
type0_PDCCH_CSS_config->number_of_search_space_per_slot = table_38213_13_12_c2[index_4lsb];
big_m = table_38213_13_12_c3[index_4lsb];
uint32_t temp = (uint32_t)(big_o*(1<<scs_pdcch)) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m);
......@@ -4448,25 +4445,11 @@ void get_type0_PDCCH_CSS_config_parameters(NR_Type0_PDCCH_CSS_config_t *type0_PD
type0_PDCCH_CSS_config->search_space_frame_period = ssb_period*nr_slots_per_frame[scs_ssb];
}
AssertFatal(type0_PDCCH_CSS_config->number_of_search_space_per_slot!=UINT_MAX,"");
// uint32_t coreset_duration = num_symbols * number_of_search_space_per_slot;
// mac->type0_pdcch_dci_config.number_of_candidates[0] = table_38213_10_1_1_c2[0];
// mac->type0_pdcch_dci_config.number_of_candidates[1] = table_38213_10_1_1_c2[1];
// mac->type0_pdcch_dci_config.number_of_candidates[2] = table_38213_10_1_1_c2[2]; // CCE aggregation level = 4
// mac->type0_pdcch_dci_config.number_of_candidates[3] = table_38213_10_1_1_c2[3]; // CCE aggregation level = 8
// mac->type0_pdcch_dci_config.number_of_candidates[4] = table_38213_10_1_1_c2[4]; // CCE aggregation level = 16
// mac->type0_pdcch_dci_config.duration = search_space_duration;
// mac->type0_pdcch_dci_config.coreset.duration = coreset_duration; // coreset
// AssertFatal(first_symbol_index!=UINT_MAX,"");
// mac->type0_pdcch_dci_config.monitoring_symbols_within_slot = (0x3fff << first_symbol_index) & (0x3fff >> (14-coreset_duration-first_symbol_index)) & 0x3fff;
AssertFatal(type0_PDCCH_CSS_config->sfn_c >= 0, "");
AssertFatal(type0_PDCCH_CSS_config->n_c != UINT_MAX, "");
type0_PDCCH_CSS_config->n_0 = ((uint32_t)(big_o*(1<<scs_pdcch)) + (uint32_t)(type0_PDCCH_CSS_config->ssb_index*big_m))%num_slot_per_frame;
type0_PDCCH_CSS_config->cset_start_rb = ssb_offset_point_a - type0_PDCCH_CSS_config->rb_offset;
}
void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config) {
......@@ -4522,7 +4505,10 @@ void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_conf
}
void fill_searchSpaceZero(NR_SearchSpace_t *ss0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config) {
void fill_searchSpaceZero(NR_SearchSpace_t *ss0,
int slots_per_frame,
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config)
{
if(ss0 == NULL) ss0=calloc(1,sizeof(*ss0));
if(ss0->controlResourceSetId == NULL) ss0->controlResourceSetId=calloc(1,sizeof(*ss0->controlResourceSetId));
......@@ -4537,8 +4523,9 @@ void fill_searchSpaceZero(NR_SearchSpace_t *ss0, NR_Type0_PDCCH_CSS_config_t *ty
AssertFatal(type0_PDCCH_CSS_config!=NULL,"No type0 CSS configuration\n");
const uint32_t periodicity = type0_PDCCH_CSS_config->search_space_frame_period;
const uint32_t offset = type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 1
? type0_PDCCH_CSS_config->n_0 : type0_PDCCH_CSS_config->n_c;
const uint32_t offset = type0_PDCCH_CSS_config->type0_pdcch_ss_mux_pattern == 1 ?
type0_PDCCH_CSS_config->n_0 + (slots_per_frame * type0_PDCCH_CSS_config->sfn_c) :
type0_PDCCH_CSS_config->n_c;
ss0->searchSpaceId = 0;
*ss0->controlResourceSetId = 0;
......
openair2/LAYER2/NR_MAC_COMMON/nr_mac_common.h
View file @ 44bc3e7c
......@@ -228,7 +228,9 @@ NR_tda_info_t get_info_from_tda_tables(default_table_type_t table_type,
default_table_type_t get_default_table_type(int mux_pattern);
void fill_coresetZero(NR_ControlResourceSet_t *coreset0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config);
void fill_searchSpaceZero(NR_SearchSpace_t *ss0, NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config);
void fill_searchSpaceZero(NR_SearchSpace_t *ss0,
int slots_per_frame,
NR_Type0_PDCCH_CSS_config_t *type0_PDCCH_CSS_config);
uint8_t get_pusch_nb_antenna_ports(NR_PUSCH_Config_t *pusch_Config,
NR_SRS_Config_t *srs_config,
......
openair2/LAYER2/NR_MAC_UE/config_ue.c
View file @ 44bc3e7c
......@@ -714,8 +714,7 @@ void nr_rrc_mac_config_req_mib(module_id_t module_id,
else if (sched_sib == 2)
mac->get_otherSI = true;
nr_ue_decode_mib(module_id,
cc_idP,
NULL);
cc_idP);
}
void nr_rrc_mac_config_req_sib1(module_id_t module_id,
......
openair2/LAYER2/NR_MAC_UE/mac_defs.h
View file @ 44bc3e7c
......@@ -478,6 +478,7 @@ typedef struct {
/// SSB index from MIB decoding
uint8_t mib_ssb;
uint32_t mib_additional_bits;
int mib_frame;
nr_csi_report_t csi_report_template[MAX_CSI_REPORTCONFIG];
......
openair2/LAYER2/NR_MAC_UE/mac_proto.h
View file @ 44bc3e7c
......@@ -47,17 +47,7 @@ void nr_ue_init_mac(module_id_t module_idP);
\param mac mac instance */
void nr_ue_mac_default_configs(NR_UE_MAC_INST_t *mac);
/**\brief decode mib pdu in NR_UE, from if_module ul_ind with P7 tx_ind message
\param module_id module id
\param cc_id component carrier id
\param gNB_index gNB index
\param phy_data PHY structure to be filled in by the callee in the FAPI call (L1 caller -> indication to L2 -> FAPI call to L1 callee)
\param extra_bits extra bits for frame calculation
\param l_ssb_equal_64 check if ssb number of candicate is equal 64, 1=equal; 0=non equal. Reference 38.212 7.1.1
\param pduP pointer to pdu
\param pdu_length length of pdu
\param cell_id cell id */
int8_t nr_ue_decode_mib(module_id_t module_id, int cc_id, void *phy_data);
int8_t nr_ue_decode_mib(module_id_t module_id, int cc_id);
/**\brief decode SIB1 and other SIs pdus in NR_UE, from if_module dl_ind
\param module_id module id
......@@ -331,16 +321,6 @@ void nr_ue_msg3_scheduler(NR_UE_MAC_INST_t *mac,
sub_frame_t current_slot,
uint8_t Msg3_tda_id);
void nr_ue_sib1_scheduler(module_id_t module_idP,
int cc_id,
uint16_t ssb_start_symbol,
uint16_t frame,
uint8_t ssb_subcarrier_offset,
uint32_t ssb_index,
uint16_t ssb_start_subcarrier,
frequency_range_t frequency_range,
void *phy_data);
/* \brief Function called by PHY to process the received RAR and check that the preamble matches what was sent by the gNB. It provides the timing advance and t-CRNTI.
@param Mod_id Index of UE instance
@param CC_id Index to a component carrier
......
openair2/LAYER2/NR_MAC_UE/nr_ue_dci_configuration.c
View file @ 44bc3e7c
......@@ -425,7 +425,39 @@ bool monitior_dci_for_other_SI(NR_UE_MAC_INST_t *mac,
void ue_dci_configuration(NR_UE_MAC_INST_t *mac, fapi_nr_dl_config_request_t *dl_config, const frame_t frame, const int slot)
{
const NR_UE_DL_BWP_t *current_DL_BWP = &mac->current_DL_BWP;
const int slots_per_frame = nr_slots_per_frame[current_DL_BWP->scs];
int scs = mac->get_sib1 ? get_softmodem_params()->numerology : current_DL_BWP->scs;
const int slots_per_frame = nr_slots_per_frame[scs];
if (mac->get_sib1) {
int ssb_sc_offset_norm;
if (mac->ssb_subcarrier_offset < 24 && mac->frequency_range == FR1)
ssb_sc_offset_norm = mac->ssb_subcarrier_offset >> scs;
else
ssb_sc_offset_norm = mac->ssb_subcarrier_offset;
uint16_t ssb_offset_point_a = (mac->ssb_start_subcarrier - ssb_sc_offset_norm) / 12;
int ssb_start_symbol = get_ssb_start_symbol(mac->nr_band, scs, mac->mib_ssb);
get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config,
mac->mib_frame,
mac->mib,
slots_per_frame,
ssb_sc_offset_norm,
ssb_start_symbol,
scs,
mac->frequency_range,
mac->nr_band,
mac->mib_ssb,
1, // If the UE is not configured with a periodicity, the UE assumes a periodicity of a half frame
ssb_offset_point_a);
if(mac->search_space_zero == NULL)
mac->search_space_zero=calloc(1,sizeof(*mac->search_space_zero));
if(mac->coreset0 == NULL)
mac->coreset0 = calloc(1,sizeof(*mac->coreset0));
fill_coresetZero(mac->coreset0, &mac->type0_PDCCH_CSS_config);
fill_searchSpaceZero(mac->search_space_zero, slots_per_frame, &mac->type0_PDCCH_CSS_config);
if (is_ss_monitor_occasion(frame, slot, slots_per_frame, mac->search_space_zero)) {
LOG_D(NR_MAC, "Monitoring DCI for SIB1 in frame %d slot %d\n", frame, slot);
config_dci_pdu(mac, dl_config, NR_RNTI_SI, slot, mac->search_space_zero);
}
}
if (mac->get_otherSI) {
// If searchSpaceOtherSystemInformation is set to zero,
// PDCCH monitoring occasions for SI message reception in SI-window
......
openair2/LAYER2/NR_MAC_UE/nr_ue_procedures.c
View file @ 44bc3e7c
......@@ -246,8 +246,7 @@ int get_rnti_type(NR_UE_MAC_INST_t *mac, uint16_t rnti)
int8_t nr_ue_decode_mib(module_id_t module_id,
int cc_id,
void *phy_data)
int cc_id)
{
LOG_D(MAC,"[L2][MAC] decode mib\n");
......@@ -264,7 +263,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
uint8_t ssb_subcarrier_offset = (uint8_t)mac->mib->ssb_SubcarrierOffset;
frame = frame << 4;
frame = frame | frame_number_4lsb;
mac->mib_frame = frame | frame_number_4lsb;
if (mac->frequency_range == FR2) {
for (int i = 0; i < 3; i++)
mac->mib_ssb += (((extra_bits >> (7 - i)) & 0x01) << (3 + i));
......@@ -276,7 +275,7 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
#ifdef DEBUG_MIB
uint8_t half_frame_bit = (extra_bits >> 4) & 0x1; // extra bits[4]
LOG_I(MAC,"system frame number(6 MSB bits): %d\n", mac->mib->systemFrameNumber.buf[0]);
LOG_I(MAC,"system frame number(with LSB): %d\n", (int)frame);
LOG_I(MAC,"system frame number(with LSB): %d\n", (int) mac->mib_frame);
LOG_I(MAC,"subcarrier spacing (0=15or60, 1=30or120): %d\n", (int)mac->mib->subCarrierSpacingCommon);
LOG_I(MAC,"ssb carrier offset(with MSB): %d\n", (int)ssb_subcarrier_offset);
LOG_I(MAC,"dmrs type A position (0=pos2,1=pos3): %d\n", (int)mac->mib->dmrs_TypeA_Position);
......@@ -290,42 +289,8 @@ int8_t nr_ue_decode_mib(module_id_t module_id,
mac->ssb_subcarrier_offset = ssb_subcarrier_offset;
uint8_t scs_ssb;
uint32_t band;
uint16_t ssb_start_symbol;
if (get_softmodem_params()->sa == 1) {
scs_ssb = get_softmodem_params()->numerology;
band = mac->nr_band;
ssb_start_symbol = get_ssb_start_symbol(band, scs_ssb, mac->mib_ssb);
int ssb_sc_offset_norm;
if (ssb_subcarrier_offset < 24 && mac->frequency_range == FR1)
ssb_sc_offset_norm = ssb_subcarrier_offset >> scs_ssb;
else
ssb_sc_offset_norm = ssb_subcarrier_offset;
if (mac->get_sib1) {
nr_ue_sib1_scheduler(module_id,
cc_id,
ssb_start_symbol,
frame,
ssb_sc_offset_norm,
mac->mib_ssb,
mac->ssb_start_subcarrier,
mac->frequency_range,
phy_data);
mac->first_sync_frame = frame;
}
}
else {
NR_ServingCellConfigCommon_t *scc = mac->scc;
scs_ssb = *scc->ssbSubcarrierSpacing;
band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
ssb_start_symbol = get_ssb_start_symbol(band, scs_ssb, mac->mib_ssb);
if (mac->first_sync_frame == -1)
mac->first_sync_frame = frame;
}
if(get_softmodem_params()->phy_test)
mac->state = UE_CONNECTED;
......
openair2/LAYER2/NR_MAC_UE/nr_ue_scheduler.c
View file @ 44bc3e7c
......@@ -2648,72 +2648,6 @@ static void nr_ue_prach_scheduler(module_id_t module_idP, frame_t frameP, sub_fr
} // if is_nr_UL_slot
}
// This function schedules the reception of SIB1 after initial sync and before going to real time state
void nr_ue_sib1_scheduler(module_id_t module_idP,
int cc_id,
uint16_t ssb_start_symbol,
uint16_t frame,
uint8_t ssb_subcarrier_offset,
uint32_t ssb_index,
uint16_t ssb_start_subcarrier,
frequency_range_t frequency_range,
void *phy_data) {
NR_UE_MAC_INST_t *mac = get_mac_inst(module_idP);
nr_scheduled_response_t scheduled_response;
uint8_t scs_ssb = get_softmodem_params()->numerology;
uint16_t ssb_offset_point_a = (ssb_start_subcarrier - ssb_subcarrier_offset)/12;
get_type0_PDCCH_CSS_config_parameters(&mac->type0_PDCCH_CSS_config,
frame,
mac->mib,
nr_slots_per_frame[scs_ssb],
ssb_subcarrier_offset,
ssb_start_symbol,
scs_ssb,
frequency_range,
mac->nr_band,
ssb_index,
1, // If the UE is not configured with a periodicity, the UE assumes a periodicity of a half frame
ssb_offset_point_a);
int frame_s,slot_s;
if(mac->type0_PDCCH_CSS_config.type0_pdcch_ss_mux_pattern == 1){
// same frame as ssb
if ((mac->type0_PDCCH_CSS_config.frame & 0x1) == mac->type0_PDCCH_CSS_config.sfn_c)
frame_s = 0;
else
frame_s = 1;
slot_s = mac->type0_PDCCH_CSS_config.n_0;
}
else{
frame_s = 0; // same frame as ssb
slot_s = mac->type0_PDCCH_CSS_config.n_c;
}
if(mac->search_space_zero == NULL)
mac->search_space_zero=calloc(1,sizeof(*mac->search_space_zero));
if(mac->coreset0 == NULL)
mac->coreset0 = calloc(1,sizeof(*mac->coreset0));
fill_coresetZero(mac->coreset0, &mac->type0_PDCCH_CSS_config);
fill_searchSpaceZero(mac->search_space_zero, &mac->type0_PDCCH_CSS_config);
fapi_nr_dl_config_request_t *dl_config = &mac->dl_config_request[0]; // Take the first dl_config_request for SIB1
config_dci_pdu(mac, dl_config, NR_RNTI_SI, slot_s, mac->search_space_zero);
LOG_D(MAC,"Calling fill_scheduled_response, type0_pdcch, num_pdus %d\n", dl_config->number_pdus);
fill_scheduled_response(&scheduled_response, dl_config, NULL, NULL, module_idP, cc_id, frame_s, slot_s, phy_data);
if (dl_config->number_pdus) {
if(mac->if_module != NULL && mac->if_module->scheduled_response != NULL)
mac->if_module->scheduled_response(&scheduled_response);
}
else
AssertFatal(1==0,"Unable to find aggregation level for type0 CSS\n");
}
#define MAX_LCID 8 // NR_MAX_NUM_LCID shall be used but the mac_rlc_data_req function can fetch data for max 8 LCID
typedef struct {
uint8_t bsr_len;
......
openair2/LAYER2/NR_MAC_gNB/gNB_scheduler_bch.c
View file @ 44bc3e7c
......@@ -290,8 +290,10 @@ static uint32_t schedule_control_sib1(module_id_t module_id,
gNB_mac->sched_ctrlCommon = calloc(1,sizeof(*gNB_mac->sched_ctrlCommon));
gNB_mac->sched_ctrlCommon->search_space = calloc(1,sizeof(*gNB_mac->sched_ctrlCommon->search_space));
gNB_mac->sched_ctrlCommon->coreset = calloc(1,sizeof(*gNB_mac->sched_ctrlCommon->coreset));
fill_searchSpaceZero(gNB_mac->sched_ctrlCommon->search_space,type0_PDCCH_CSS_config);
fill_coresetZero(gNB_mac->sched_ctrlCommon->coreset,type0_PDCCH_CSS_config);
fill_searchSpaceZero(gNB_mac->sched_ctrlCommon->search_space,
nr_slots_per_frame[*scc->ssbSubcarrierSpacing],
type0_PDCCH_CSS_config);
fill_coresetZero(gNB_mac->sched_ctrlCommon->coreset, type0_PDCCH_CSS_config);
gNB_mac->cset0_bwp_start = type0_PDCCH_CSS_config->cset_start_rb;
gNB_mac->cset0_bwp_size = type0_PDCCH_CSS_config->num_rbs;
gNB_mac->sched_ctrlCommon->sched_pdcch = set_pdcch_structure(NULL,
......
openair2/NR_UE_PHY_INTERFACE/NR_IF_Module.c
View file @ 44bc3e7c
......@@ -338,14 +338,16 @@ static bool is_my_dci(NR_UE_MAC_INST_t *mac, nfapi_nr_dl_dci_pdu_t *received_pdu
CRNTI doesnt match the received RNTI in SA mode if Msg3 has been processed
already. Only once the RA procedure succeeds is the CRNTI value updated
to the TC_RNTI. */
if (get_softmodem_params()->nsa)
{
if (get_softmodem_params()->nsa) {
if (received_pdu->RNTI != mac->crnti &&
(received_pdu->RNTI != mac->ra.ra_rnti || mac->ra.RA_RAPID_found))
return false;
}
if (get_softmodem_params()->sa)
{
if (get_softmodem_params()->sa) {
if (mac->state == UE_NOT_SYNC)
return false;
if (received_pdu->RNTI == 0xFFFF && mac->scc_SIB)
return false;
if (received_pdu->RNTI != mac->crnti && mac->ra.ra_state == RA_SUCCEEDED)
return false;
if (received_pdu->RNTI != mac->ra.t_crnti && mac->ra.ra_state == WAIT_CONTENTION_RESOLUTION)
......@@ -1148,10 +1150,8 @@ int nr_ue_dl_indication(nr_downlink_indication_t *dl_info)
uint32_t ret_mask = 0x0;
module_id_t module_id = dl_info->module_id;
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
if ((!dl_info->dci_ind && !dl_info->rx_ind)) {
// UL indication to schedule DCI reception
if (mac->phy_config_request_sent)
nr_ue_dl_scheduler(dl_info);
} else {
// UL indication after reception of DCI or DL PDU
......
openair2/RRC/NR_UE/L2_interface_ue.c
View file @ 44bc3e7c
......@@ -61,7 +61,7 @@ int8_t nr_mac_rrc_data_ind_ue(const module_id_t module_id,
{
sdu_size_t sdu_size = 0;
switch(channel){
switch(channel) {
case NR_BCCH_BCH:
case NR_BCCH_DL_SCH:
if (pdu_len>0) {
......
openair2/RRC/NR_UE/rrc_UE.c
View file @ 44bc3e7c
......@@ -482,6 +482,8 @@ int8_t nr_ue_process_physical_cell_group_config(NR_PhysicalCellGroupConfig_t *ph
int check_si_status(NR_UE_RRC_SI_INFO *SI_info)
{
if (!get_softmodem_params()->sa)
return 0;
// schedule reception of SIB1
if (!SI_info->sib1)
return 1;
......@@ -1961,21 +1963,22 @@ void *rrc_nrue_task(void *args_p)
break;
case NR_RRC_MAC_BCCH_DATA_IND:
LOG_I(NR_RRC, "[UE %d] Received %s: frameP %d, gNB %d\n", ue_mod_id, ITTI_MSG_NAME (msg_p),
NR_RRC_MAC_BCCH_DATA_IND (msg_p).frame, NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index);
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, ue_mod_id, GNB_FLAG_NO, NOT_A_RNTI, NR_RRC_MAC_BCCH_DATA_IND (msg_p).frame, 0,NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index);
if (NR_RRC_MAC_BCCH_DATA_IND (msg_p).is_bch)
LOG_D(NR_RRC, "[UE %d] Received %s: gNB %d\n", ue_mod_id, ITTI_MSG_NAME (msg_p),
NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index);
NRRrcMacBcchDataInd *bcch = &NR_RRC_MAC_BCCH_DATA_IND (msg_p);
PROTOCOL_CTXT_SET_BY_MODULE_ID(&ctxt, ue_mod_id, GNB_FLAG_NO, NOT_A_RNTI, bcch->frame, 0, bcch->gnb_index);
if (bcch->is_bch)
nr_rrc_ue_decode_NR_BCCH_BCH_Message(ue_mod_id,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu_size);
bcch->gnb_index,
bcch->sdu,
bcch->sdu_size);
else
nr_rrc_ue_decode_NR_BCCH_DL_SCH_Message(ctxt.module_id,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).gnb_index,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).sdu_size,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).rsrq,
NR_RRC_MAC_BCCH_DATA_IND (msg_p).rsrp);
bcch->gnb_index,
bcch->sdu,
bcch->sdu_size,
bcch->rsrq,
bcch->rsrp);
break;
case NR_RRC_MAC_CCCH_DATA_IND:
......@@ -2065,7 +2068,7 @@ void *rrc_nrue_task(void *args_p)
break;
}
LOG_D(NR_RRC, "[UE %d] RRC Status %d\n", ue_mod_id, nr_rrc_get_state(ue_mod_id));
result = itti_free (ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
result = itti_free(ITTI_MSG_ORIGIN_ID(msg_p), msg_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
msg_p = NULL;
}
......
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