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This commit is contained in:
laurent
2020-04-13 18:04:18 +02:00
parent 6bbf9011ba e197824e20
commit 861caa735d
242 changed files with 27021 additions and 18729 deletions
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executables/nr-ru.c
+192 -160
View File
@@ -50,6 +50,7 @@
#include <execinfo.h>
#include <getopt.h>
#include <sys/sysinfo.h>
#include <math.h>
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
@@ -130,7 +131,8 @@ void configure_rru(int idx, void *arg);
int attach_rru(RU_t *ru);
int connect_rau(RU_t *ru);
extern uint16_t sl_ahead;
uint16_t sf_ahead;
uint16_t sl_ahead;
extern int emulate_rf;
extern int numerology;
@@ -296,29 +298,24 @@ int connect_rau(RU_t *ru)
/* Southbound Fronthaul functions, RCC/RAU */
// southbound IF5 fronthaul for 16-bit OAI format
static inline void fh_if5_south_out(RU_t *ru, int frame, int slot, uint64_t timestamp)
void fh_if5_south_out(RU_t *ru, int frame, int slot, uint64_t timestamp)
{
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
send_IF5(ru, timestamp, slot, &ru->seqno, IF5_RRH_GW_DL);
}
// southbound IF5 fronthaul for Mobipass packet format
static inline void fh_if5_mobipass_south_out(RU_t *ru, int frame, int slot, uint64_t timestamp)
{
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
send_IF5(ru, timestamp, slot, &ru->seqno, IF5_MOBIPASS);
}
// southbound IF4p5 fronthaul
static inline void fh_if4p5_south_out(RU_t *ru, int frame, int slot, uint64_t timestamp)
void fh_if4p5_south_out(RU_t *ru, int frame, int slot, uint64_t timestamp)
{
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
LOG_D(PHY,"Sending IF4p5 for frame %d subframe %d\n",ru->proc.frame_tx,ru->proc.tti_tx);
if (nr_slot_select(&ru->gNB_list[0]->gNB_config,ru->proc.tti_tx,frame)!=SF_UL) send_IF4p5(ru,frame, slot, IF4p5_PDLFFT);
if ((nr_slot_select(cfg,ru->proc.frame_tx,ru->proc.tti_tx)&NR_DOWNLINK_SLOT) > 0)
send_IF4p5(ru,frame, slot, IF4p5_PDLFFT);
}
/*************************************************************/
@@ -332,8 +329,9 @@ void fh_if5_south_in(RU_t *ru,
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
recv_IF5(ru, &proc->timestamp_rx, *tti, IF5_RRH_GW_UL);
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_slot*20))&1023;
proc->tti_rx = (proc->timestamp_rx / fp->samples_per_slot)%20;
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_subframe*10))&1023;
uint32_t idx_sf = proc->timestamp_rx / fp->samples_per_subframe;
proc->tti_rx = (idx_sf * fp->slots_per_subframe + (int)round((float)(proc->timestamp_rx % fp->samples_per_subframe) / fp->samples_per_slot0))%(fp->slots_per_frame);
if (proc->first_rx == 0) {
if (proc->tti_rx != *tti) {
@@ -391,12 +389,12 @@ void fh_if4p5_south_in(RU_t *ru,
} while(proc->symbol_mask[sl] != symbol_mask_full);
//caculate timestamp_rx, timestamp_tx based on frame and subframe
proc->tti_rx = sl;
proc->frame_rx = f;
proc->timestamp_rx = ((proc->frame_rx * fp->slots_per_frame) + proc->tti_rx ) * fp->samples_per_slot ;
proc->tti_rx = sl;
proc->frame_rx = f;
proc->timestamp_rx = (proc->frame_rx * fp->samples_per_subframe * 10) + fp->get_samples_slot_timestamp(proc->tti_rx, fp, 0);
// proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_subframe);
proc->tti_tx = (sl+sl_ahead)%fp->slots_per_frame;
proc->frame_tx = (sl>(fp->slots_per_frame-sl_ahead)) ? (f+1)&1023 : f;
proc->tti_tx = (sl+(fp->slots_per_subframe*sf_ahead))%fp->slots_per_frame;
proc->frame_tx = (sl>(fp->slots_per_frame-1-(fp->slots_per_subframe*sf_ahead))) ? (f+1)&1023 : f;
if (proc->first_rx == 0) {
if (proc->tti_rx != *slot) {
@@ -503,8 +501,9 @@ void fh_if5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
openair0_timestamp timestamp_tx;
recv_IF5(ru, &timestamp_tx, *slot, IF5_RRH_GW_DL);
// printf("Received subframe %d (TS %llu) from RCC\n",tti_tx,timestamp_tx);
tti_tx = (timestamp_tx/fp->samples_per_slot)%fp->slots_per_frame;
frame_tx = (timestamp_tx/(fp->samples_per_slot*fp->slots_per_frame))&1023;
frame_tx = (timestamp_tx / (fp->samples_per_subframe*10))&1023;
uint32_t idx_sf = timestamp_tx / fp->samples_per_subframe;
tti_tx = (idx_sf * fp->slots_per_subframe + (int)round((float)(timestamp_tx % fp->samples_per_subframe) / fp->samples_per_slot0))%(fp->slots_per_frame);
if (proc->first_tx != 0) {
*slot = tti_tx;
@@ -520,7 +519,7 @@ void fh_if5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
void fh_if4p5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_t *cfg = &ru->gNB_list[0]->gNB_config;
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
RU_proc_t *proc = &ru->proc;
uint16_t packet_type;
uint32_t symbol_number,symbol_mask,symbol_mask_full=0;
@@ -533,10 +532,10 @@ void fh_if4p5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
do {
recv_IF4p5(ru, &frame_tx, &slot_tx, &packet_type, &symbol_number);
if ((nr_slot_select(cfg,slot_tx,frame_tx) == SF_DL) && (symbol_number == 0)) start_meas(&ru->rx_fhaul);
if (((nr_slot_select(cfg,frame_tx,slot_tx) & NR_DOWNLINK_SLOT) > 0) && (symbol_number == 0)) start_meas(&ru->rx_fhaul);
LOG_D(PHY,"subframe %d (%d): frame %d, subframe %d, symbol %d\n",
*slot,nr_slot_select(cfg,*slot,*frame),frame_tx,slot_tx,symbol_number);
LOG_D(PHY,"slot %d (%d): frame %d, slot %d, symbol %d\n",
*slot,nr_slot_select(cfg,frame_tx,*slot),frame_tx,slot_tx,symbol_number);
if (proc->first_tx != 0) {
*frame = frame_tx;
@@ -555,14 +554,14 @@ void fh_if4p5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
} else AssertFatal(1==0,"Illegal IF4p5 packet type (should only be IF4p5_PDLFFT%d\n",packet_type);
} while (symbol_mask != symbol_mask_full);
if (nr_slot_select(cfg,slot_tx,frame_tx) == SF_DL) stop_meas(&ru->rx_fhaul);
if ((nr_slot_select(cfg,frame_tx,slot_tx) & NR_DOWNLINK_SLOT)>0) stop_meas(&ru->rx_fhaul);
proc->tti_tx = slot_tx;
proc->frame_tx = frame_tx;
proc->tti_tx = slot_tx;
proc->frame_tx = frame_tx;
if ((frame_tx == 0)&&(slot_tx == 0)) proc->frame_tx_unwrap += 1024;
proc->timestamp_tx = ((((uint64_t)frame_tx + (uint64_t)proc->frame_tx_unwrap) * fp->slots_per_frame) + (uint64_t)slot_tx) * (uint64_t)fp->samples_per_slot;
proc->timestamp_tx = (((uint64_t)frame_tx + (uint64_t)proc->frame_tx_unwrap) * fp->samples_per_subframe * 10) + fp->get_samples_slot_timestamp(slot_tx, fp, 0);
LOG_D(PHY,"RU %d/%d TST %llu, frame %d, subframe %d\n",ru->idx,0,(long long unsigned int)proc->timestamp_tx,frame_tx,slot_tx);
// dump VCD output for first RU in list
@@ -604,7 +603,7 @@ void fh_if4p5_north_out(RU_t *ru) {
stop_meas(&ru->tx_fhaul);
}
static void *emulatedRF_thread(void *param) {
void *emulatedRF_thread(void *param) {
RU_proc_t *proc = (RU_proc_t *) param;
int microsec = 500; // length of time to sleep, in miliseconds
struct timespec req = {0};
@@ -629,26 +628,27 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
void *rxp[ru->nb_rx];
unsigned int rxs;
int i;
uint32_t samples_per_slot = fp->get_samples_per_slot(*slot,fp);
openair0_timestamp ts,old_ts;
AssertFatal(*slot<fp->slots_per_frame && *slot>=0, "slot %d is illegal (%d)\n",*slot,fp->slots_per_frame);
for (i=0; i<ru->nb_rx; i++)
rxp[i] = (void *)&ru->common.rxdata[i][*slot*fp->samples_per_slot];
rxp[i] = (void *)&ru->common.rxdata[i][fp->get_samples_slot_timestamp(*slot,fp,0)];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 1 );
old_ts = proc->timestamp_rx;
LOG_D(PHY,"Reading %d samples for slot %d (%p)\n",fp->samples_per_slot,*slot,rxp[0]);
LOG_D(PHY,"Reading %d samples for slot %d (%p)\n",samples_per_slot,*slot,rxp[0]);
if(emulate_rf) {
wait_on_condition(&proc->mutex_emulateRF,&proc->cond_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
release_thread(&proc->mutex_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
rxs = fp->samples_per_slot;
rxs = samples_per_slot;
ts = old_ts + rxs;
} else {
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&ts,
rxp,
fp->samples_per_slot,
samples_per_slot,
ru->nb_rx);
}
@@ -658,21 +658,22 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
//AssertFatal(rxs == fp->samples_per_subframe,
//"rx_rf: Asked for %d samples, got %d from USRP\n",fp->samples_per_subframe,rxs);
if (rxs != fp->samples_per_slot) LOG_E(PHY, "rx_rf: Asked for %d samples, got %d from USRP\n",fp->samples_per_slot,rxs);
if (rxs != samples_per_slot) LOG_E(PHY, "rx_rf: Asked for %d samples, got %d from USRP\n",samples_per_slot,rxs);
if (proc->first_rx == 1) {
ru->ts_offset = proc->timestamp_rx;
proc->timestamp_rx = 0;
} else {
if (proc->timestamp_rx - old_ts != fp->samples_per_slot) {
LOG_D(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",proc->timestamp_rx - old_ts - fp->samples_per_slot,ru->ts_offset);
ru->ts_offset += (proc->timestamp_rx - old_ts - fp->samples_per_slot);
if (proc->timestamp_rx - old_ts != fp->get_samples_per_slot((*slot-1)%fp->slots_per_frame,fp)) {
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);
ru->ts_offset += (proc->timestamp_rx - old_ts - samples_per_slot);
proc->timestamp_rx = ts-ru->ts_offset;
}
}
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_slot*fp->slots_per_frame))&1023;
proc->tti_rx = (proc->timestamp_rx / fp->samples_per_slot)%fp->slots_per_frame;
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_subframe*10))&1023;
uint32_t idx_sf = proc->timestamp_rx / fp->samples_per_subframe;
proc->tti_rx = (idx_sf * fp->slots_per_subframe + (int)round((float)(proc->timestamp_rx % fp->samples_per_subframe) / fp->samples_per_slot0))%(fp->slots_per_frame);
// synchronize first reception to frame 0 subframe 0
LOG_D(PHY,"RU %d/%d TS %llu (off %d), frame %d, slot %d.%d / %d\n",
ru->idx,
@@ -688,7 +689,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
if (proc->first_rx == 0) {
if (proc->tti_rx != *slot) {
LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->tti_rx %d, subframe %d)\n",(long long unsigned int)proc->timestamp_rx,proc->tti_rx,*slot);
LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->tti_rx %d, slot %d)\n",(long long unsigned int)proc->timestamp_rx,proc->tti_rx,*slot);
exit_fun("Exiting");
}
@@ -705,7 +706,7 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
//printf("timestamp_rx %lu, frame %d(%d), subframe %d(%d)\n",ru->timestamp_rx,proc->frame_rx,frame,proc->tti_rx,subframe);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
if (rxs != fp->samples_per_slot) {
if (rxs != samples_per_slot) {
//exit_fun( "problem receiving samples" );
LOG_E(PHY, "problem receiving samples\n");
}
@@ -715,69 +716,83 @@ void rx_rf(RU_t *ru,int *frame,int *slot) {
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_t *cfg = &ru->gNB_list[0]->gNB_config;
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
void *txp[ru->nb_tx];
unsigned int txs;
int i;
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][slot * fp->samples_per_slot], fp->samples_per_slot * 4));
int sf_extension = 0;
//nr_subframe_t SF_type = nr_slot_select(cfg,slot%fp->slots_per_frame,frame);
T_INT(0), T_BUFFER(&ru->common.txdata[0][fp->get_samples_slot_timestamp(slot,fp,0)], fp->samples_per_subframe * 4));
if ((slot == 0) ||
(slot == 1) || IS_SOFTMODEM_RFSIM ) {
int siglen=fp->samples_per_slot;
int flags;
if (slot==0)
flags = 2;
else if (slot==1)
flags=3;
else
flags=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;
/*
if (SF_type == SF_S) {
siglen = fp->dl_symbols_in_S_subframe*(fp->ofdm_symbol_size+fp->nb_prefix_samples0);
flags=3; // end of burst
}
if ((fp->frame_type == TDD) &&
(SF_type == SF_DL)&&
(prevSF_type == SF_UL) &&
(nextSF_type == SF_DL)) {
flags = 2; // start of burst
sf_extension = ru->N_TA_offset<<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 ((cfg->subframe_config.duplex_mode == TDD) &&
(SF_type == SF_DL)&&
(prevSF_type == SF_UL) &&
(nextSF_type == SF_UL)) {
flags = 4; // start of burst and end of burst (only one DL SF between two UL)
sf_extension = ru->N_TA_offset<<1;
} */
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][(slot*fp->samples_per_slot)-sf_extension];
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
}
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
start_meas(&ru->tx_fhaul);
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);
stop_meas(&ru->tx_fhaul);
LOG_D(PHY,"[TXPATH] RU %d tx_rf, writing to TS %llu, frame %d, unwrapped_frame %d, subframe %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);
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);
}
}
@@ -789,11 +804,12 @@ void tx_rf(RU_t *ru,int frame,int slot, uint64_t timestamp) {
* \param param is a \ref gNB_L1_proc_t structure which contains the info what to process.
* \returns a pointer to an int. The storage is not on the heap and must not be freed.
*/
static void *ru_thread_asynch_rxtx( void *param ) {
void *ru_thread_asynch_rxtx( void *param ) {
static int ru_thread_asynch_rxtx_status;
RU_t *ru = (RU_t *)param;
RU_proc_t *proc = &ru->proc;
int subframe=0, frame=0;
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
int slot=0, frame=0;
// wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe
wait_sync("ru_thread_asynch_rxtx");
// wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe
@@ -803,22 +819,20 @@ static void *ru_thread_asynch_rxtx( void *param ) {
while (!oai_exit) {
if (subframe==9) {
subframe=0;
if (slot==ru->nr_frame_parms->slots_per_frame) {
slot=0;
frame++;
frame&=1023;
} else {
subframe++;
slot++;
}
LOG_D(PHY,"ru_thread_asynch_rxtx: Waiting on incoming fronthaul\n");
// asynchronous receive from south (Mobipass)
if (ru->fh_south_asynch_in) ru->fh_south_asynch_in(ru,&frame,&subframe);
// asynchronous receive from north (RRU IF4/IF5)
else if (ru->fh_north_asynch_in) {
if (nr_slot_select(&ru->gNB_list[0]->gNB_config,subframe,frame)!=SF_UL)
ru->fh_north_asynch_in(ru,&frame,&subframe);
if (ru->fh_north_asynch_in) {
if ((nr_slot_select(cfg,frame,slot) & NR_DOWNLINK_SLOT)>0)
ru->fh_north_asynch_in(ru,&frame,&slot);
} else AssertFatal(1==0,"Unknown function in ru_thread_asynch_rxtx\n");
}
@@ -834,7 +848,7 @@ static void *ru_thread_asynch_rxtx( void *param ) {
* \param param is a \ref RU_proc_t structure which contains the info what to process.
* \returns a pointer to an int. The storage is not on the heap and must not be freed.
*/
static void *ru_thread_prach( void *param ) {
void *ru_thread_prach( void *param ) {
static int ru_thread_prach_status;
RU_t *ru = (RU_t *)param;
RU_proc_t *proc = (RU_proc_t *)&ru->proc;
@@ -1004,7 +1018,7 @@ void wakeup_gNB_L1s(RU_t *ru) {
}
}
static inline int wakeup_prach_ru(RU_t *ru) {
int wakeup_prach_ru(RU_t *ru) {
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
@@ -1039,10 +1053,10 @@ static inline int wakeup_prach_ru(RU_t *ru) {
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_t *gNB_config = &ru->gNB_list[0]->gNB_config; //tmp index
nfapi_nr_config_request_scf_t *gNB_config = &ru->gNB_list[0]->gNB_config; //tmp index
openair0_config_t *cfg = &ru->openair0_cfg;
int N_RB = gNB_config->rf_config.dl_carrier_bandwidth.value;
int mu = gNB_config->subframe_config.numerology_index_mu.value;
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;
if (mu == NR_MU_0) { //or if LTE
if(N_RB == 100) {
@@ -1111,11 +1125,23 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
} 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->subframe_config.duplex_mode.value==TDD)
if (gNB_config->cell_config.frame_duplex_type.value==TDD)
cfg->duplex_mode = duplex_mode_TDD;
else //FDD
cfg->duplex_mode = duplex_mode_FDD;
@@ -1126,8 +1152,14 @@ void fill_rf_config(RU_t *ru, char *rf_config_file) {
cfg->rx_num_channels=ru->nb_rx;
for (i=0; i<ru->nb_tx; i++) {
cfg->tx_freq[i] = (double)fp->dl_CarrierFreq;
cfg->rx_freq[i] = (double)fp->ul_CarrierFreq;
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;
@@ -1199,7 +1231,7 @@ int setup_RU_buffers(RU_t *ru) {
return(0);
}
static void *ru_stats_thread(void *param) {
void *ru_stats_thread(void *param) {
RU_t *ru = (RU_t *)param;
wait_sync("ru_stats_thread");
@@ -1230,7 +1262,7 @@ static void *ru_stats_thread(void *param) {
return(NULL);
}
static void *ru_thread_tx( void *param ) {
void *ru_thread_tx( void *param ) {
RU_t *ru = (RU_t *)param;
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
@@ -1250,7 +1282,10 @@ static void *ru_thread_tx( void *param ) {
LOG_D(PHY,"ru_thread_tx: Waiting for TX processing\n");
// wait until eNBs are finished subframe RX n and TX n+4
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_RU_TX_WAIT, 1 );
wait_on_condition(&proc->mutex_gNBs,&proc->cond_gNBs,&proc->instance_cnt_gNBs,"ru_thread_tx");
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_RU_TX_WAIT, 0 );
ret = pthread_mutex_lock(&proc->mutex_gNBs);
AssertFatal(ret == 0,"mutex_lock return %d\n",ret);
@@ -1345,12 +1380,12 @@ static void *ru_thread_tx( void *param ) {
// the thread can now be woken up
if (L1_proc->instance_cnt_RUs == -1) {
L1_proc->instance_cnt_RUs = 0;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_UE,L1_proc->instance_cnt_RUs);
AssertFatal(pthread_cond_signal(&L1_proc->cond_RUs) == 0,
"ERROR pthread_cond_signal for gNB_L1_thread\n");
} //else AssertFatal(1==0,"gNB TX thread is not ready\n");
ret = pthread_mutex_unlock(&L1_proc->mutex_RUs_tx);
AssertFatal(ret == 0,"mutex_unlock returns %d\n",ret);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_UE,L1_proc->instance_cnt_RUs);
}
}
}
@@ -1359,7 +1394,7 @@ static void *ru_thread_tx( void *param ) {
return 0;
}
static void *ru_thread( void *param ) {
void *ru_thread( void *param ) {
static int ru_thread_status;
RU_t *ru = (RU_t *)param;
RU_proc_t *proc = &ru->proc;
@@ -1371,7 +1406,9 @@ static void *ru_thread( void *param ) {
int print_frame = 8;
int i = 0;
int aa;
// set default return value
nfapi_nr_config_request_scf_t *cfg = &ru->gNB_list[0]->gNB_config;
// set default return value
ru_thread_status = 0;
// set default return value
@@ -1417,6 +1454,7 @@ static void *ru_thread( void *param ) {
}
}
sf_ahead = (uint16_t) ceil((float)6/(0x01<<fp->numerology_index));
LOG_I(PHY, "Signaling main thread that RU %d is ready\n",ru->idx);
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
@@ -1468,12 +1506,12 @@ static void *ru_thread( void *param ) {
if (ru->fh_south_in) ru->fh_south_in(ru,&frame,&slot);
else AssertFatal(1==0, "No fronthaul interface at south port");
LOG_D(PHY,"AFTER fh_south_in - SFN/SL:%d%d RU->proc[RX:%d.%d TX:%d.%d] RC.gNB[0][0]:[RX:%d%d TX(SFN):%d]\n",
LOG_D(PHY,"AFTER fh_south_in - SFN/SL:%d%d RU->proc[RX:%d.%d TX:%d.%d] RC.gNB[0]:[RX:%d%d TX(SFN):%d]\n",
frame,slot,
proc->frame_rx,proc->tti_rx,
proc->frame_tx,proc->tti_tx,
RC.gNB[0][0]->proc.frame_rx,RC.gNB[0][0]->proc.slot_rx,
RC.gNB[0][0]->proc.frame_tx);
RC.gNB[0]->proc.frame_rx,RC.gNB[0]->proc.slot_rx,
RC.gNB[0]->proc.frame_tx);
/*
LOG_D(PHY,"RU thread (do_prach %d, is_prach_subframe %d), received frame %d, subframe %d\n",
ru->do_prach,
@@ -1490,19 +1528,21 @@ static void *ru_thread( void *param ) {
// do RX front-end processing (frequency-shift, dft) if needed
if (proc->tti_rx == NR_UPLINK_SLOT || fp->frame_type == FDD) {
int slot_type = nr_slot_select(cfg,proc->frame_rx,proc->tti_rx);
if (slot_type == NR_UPLINK_SLOT || slot_type == NR_MIXED_SLOT) {
//if (proc->tti_rx==8) {
if (ru->feprx) ru->feprx(ru,proc->tti_rx);
//LOG_M("rxdata.m","rxs",ru->common.rxdata[0],1228800,1,1);
LOG_D(PHY,"RU proc: frame_rx = %d, tti_rx = %d\n", proc->frame_rx, proc->tti_rx);
LOG_D(PHY,"Copying rxdataF from RU to gNB\n");
for (aa=0;aa<ru->nb_rx;aa++)
memcpy((void*)RC.gNB[0]->common_vars.rxdataF[aa],
(void*)ru->common.rxdataF[aa], fp->symbols_per_slot*fp->ofdm_symbol_size*sizeof(int32_t));
}
LOG_D(PHY,"RU proc: frame_rx = %d, tti_rx = %d\n", proc->frame_rx, proc->tti_rx);
LOG_D(PHY,"Copying rxdataF from RU to gNB\n");
for (aa=0; aa<ru->nb_rx; aa++)
memcpy((void *)RC.gNB[0][0]->common_vars.rxdataF[aa],
(void *)ru->common.rxdataF[aa], fp->symbols_per_slot*fp->ofdm_symbol_size*sizeof(int32_t));
// At this point, all information for subframe has been received on FH interface
// wakeup all gNB processes waiting for this RU
@@ -1814,19 +1854,19 @@ int check_capabilities(RU_t *ru,RRU_capabilities_t *cap)
FH_fmt_options_t fmt = cap->FH_fmt;
int i;
int found_band=0;
LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->nr_frame_parms->eutra_band);
LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->nr_frame_parms->nr_band);
for (i=0; i<cap->num_bands; i++) {
LOG_I(PHY,"band %d on RRU %d\n",cap->band_list[i],ru->idx);
if (ru->nr_frame_parms->eutra_band == cap->band_list[i]) {
if (ru->nr_frame_parms->nr_band == cap->band_list[i]) {
found_band=1;
break;
}
}
if (found_band == 0) {
LOG_I(PHY,"Couldn't find target EUTRA band %d on RRU %d\n",ru->nr_frame_parms->eutra_band,ru->idx);
LOG_I(PHY,"Couldn't find target NR band %d on RRU %d\n",ru->nr_frame_parms->nr_band,ru->idx);
return(-1);
}
@@ -1871,7 +1911,7 @@ void configure_ru(int idx,
RU_t *ru = RC.ru[idx];
RRU_config_t *config = (RRU_config_t *)arg;
RRU_capabilities_t *capabilities = (RRU_capabilities_t *)arg;
nfapi_nr_config_request_t *gNB_config = &ru->gNB_list[0]->gNB_config;
nfapi_nr_config_request_scf_t *gNB_config = &ru->gNB_list[0]->gNB_config;
int ret;
LOG_I(PHY, "Received capabilities from RRU %d\n",idx);
@@ -1883,19 +1923,19 @@ void configure_ru(int idx,
ru->nb_tx = capabilities->nb_tx[0];
ru->nb_rx = capabilities->nb_rx[0];
// Pass configuration to RRU
LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->nr_frame_parms->eutra_band);
LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->nr_frame_parms->nr_band);
// wait for configuration
config->FH_fmt = ru->if_south;
config->num_bands = 1;
config->band_list[0] = ru->nr_frame_parms->eutra_band;
config->band_list[0] = ru->nr_frame_parms->nr_band;
config->tx_freq[0] = ru->nr_frame_parms->dl_CarrierFreq;
config->rx_freq[0] = ru->nr_frame_parms->ul_CarrierFreq;
//config->tdd_config[0] = ru->nr_frame_parms->tdd_config;
//config->tdd_config_S[0] = ru->nr_frame_parms->tdd_config_S;
config->att_tx[0] = ru->att_tx;
config->att_rx[0] = ru->att_rx;
config->N_RB_DL[0] = gNB_config->rf_config.dl_carrier_bandwidth.value;
config->N_RB_UL[0] = gNB_config->rf_config.ul_carrier_bandwidth.value;
config->N_RB_DL[0] = gNB_config->carrier_config.dl_grid_size[gNB_config->ssb_config.scs_common.value].value;
config->N_RB_UL[0] = gNB_config->carrier_config.dl_grid_size[gNB_config->ssb_config.scs_common.value].value;
config->threequarter_fs[0] = ru->nr_frame_parms->threequarter_fs;
/* if (ru->if_south==REMOTE_IF4p5) {
config->prach_FreqOffset[0] = ru->nr_frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset;
@@ -1910,22 +1950,23 @@ void configure_rru(int idx,
void *arg) {
RRU_config_t *config = (RRU_config_t *)arg;
RU_t *ru = RC.ru[idx];
nfapi_nr_config_request_t *gNB_config = &ru->gNB_list[0]->gNB_config;
ru->nr_frame_parms->eutra_band = config->band_list[0];
nfapi_nr_config_request_scf_t *gNB_config = &ru->gNB_list[0]->gNB_config;
ru->nr_frame_parms->nr_band = config->band_list[0];
ru->nr_frame_parms->dl_CarrierFreq = config->tx_freq[0];
ru->nr_frame_parms->ul_CarrierFreq = config->rx_freq[0];
if (ru->nr_frame_parms->dl_CarrierFreq == ru->nr_frame_parms->ul_CarrierFreq) {
gNB_config->subframe_config.duplex_mode.value = TDD;
gNB_config->cell_config.frame_duplex_type.value = TDD;
//ru->nr_frame_parms->tdd_config = config->tdd_config[0];
//ru->nr_frame_parms->tdd_config_S = config->tdd_config_S[0];
} else
gNB_config->subframe_config.duplex_mode.value = FDD;
gNB_config->cell_config.frame_duplex_type.value = FDD;
ru->att_tx = config->att_tx[0];
ru->att_rx = config->att_rx[0];
gNB_config->rf_config.dl_carrier_bandwidth.value = config->N_RB_DL[0];
gNB_config->rf_config.ul_carrier_bandwidth.value = config->N_RB_UL[0];
int mu = gNB_config->ssb_config.scs_common.value;
gNB_config->carrier_config.dl_grid_size[mu].value = config->N_RB_DL[0];
gNB_config->carrier_config.dl_grid_size[mu].value = config->N_RB_UL[0];
ru->nr_frame_parms->threequarter_fs = config->threequarter_fs[0];
//ru->nr_frame_parms->pdsch_config_common.referenceSignalPower = ru->max_pdschReferenceSignalPower-config->att_tx[0];
@@ -2117,8 +2158,6 @@ void set_function_spec_param(RU_t *ru) {
} // switch on interface type
}
extern void RCconfig_RU(void);
void init_NR_RU(char *rf_config_file)
{
int ru_id;
@@ -2137,10 +2176,6 @@ void init_NR_RU(char *rf_config_file)
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());
if (RC.nb_nr_CC != 0)
for (i=0; i<RC.nb_nr_L1_inst; i++)
for (CC_id=0; CC_id<RC.nb_nr_CC[i]; CC_id++) RC.gNB[i][CC_id]->num_RU=0;
LOG_D(PHY,"Process RUs RC.nb_RU:%d\n",RC.nb_RU);
for (ru_id=0; ru_id<RC.nb_RU; ru_id++) {
@@ -2153,11 +2188,11 @@ void init_NR_RU(char *rf_config_file)
// NOTE: multiple CC_id are not handled here yet!
if (ru->num_gNB > 0) {
LOG_D(PHY, "%s() RC.ru[%d].num_gNB:%d ru->gNB_list[0]:%p RC.gNB[0][0]:%p rf_config_file:%s\n", __FUNCTION__, ru_id, ru->num_gNB, ru->gNB_list[0], RC.gNB[0][0], ru->rf_config_file);
LOG_D(PHY, "%s() RC.ru[%d].num_gNB:%d ru->gNB_list[0]:%p RC.gNB[0]:%p rf_config_file:%s\n", __FUNCTION__, ru_id, ru->num_gNB, ru->gNB_list[0], RC.gNB[0], ru->rf_config_file);
if (ru->gNB_list[0] == 0) {
LOG_E(PHY,"%s() DJP - ru->gNB_list ru->num_gNB are not initialized - so do it manually\n", __FUNCTION__);
ru->gNB_list[0] = RC.gNB[0][0];
ru->gNB_list[0] = RC.gNB[0];
ru->num_gNB=1;
//
// DJP - feptx_prec() / feptx_ofdm() parses the gNB_list (based on num_gNB) and copies the txdata_F to txdata in RU
@@ -2167,7 +2202,7 @@ void init_NR_RU(char *rf_config_file)
}
}
gNB_RC = RC.gNB[0][0];
gNB_RC = RC.gNB[0];
gNB0 = ru->gNB_list[0];
fp = ru->nr_frame_parms;
LOG_D(PHY, "RU FUnction:%d ru->if_south:%d\n", ru->function, ru->if_south);
@@ -2239,7 +2274,7 @@ void RCconfig_RU(void)
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];
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]];
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_ADDRS)) {
RC.ru[j]->openair0_cfg.sdr_addrs = strdup(*(RUParamList.paramarray[j][RU_SDR_ADDRS].strptr));
@@ -2332,18 +2367,14 @@ void RCconfig_RU(void)
RC.ru[j]->if_south = REMOTE_IF4p5;
RC.ru[j]->function = NGFI_RAU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if5_mobipass") == 0) {
RC.ru[j]->if_south = REMOTE_IF5;
RC.ru[j]->function = NGFI_RAU_IF5;
RC.ru[j]->if_timing = synch_to_other;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF5_MOBIPASS;
}
}
} /* strcmp(local_rf, "yes") != 0 */
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);
RC.ru[j]->if_frequency = *(RUParamList.paramarray[j][RU_IF_FREQUENCY].u64ptr);
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;
@@ -2359,3 +2390,4 @@ void RCconfig_RU(void)
return;
}