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tests with monolithic eNB. runs fluidly. No UE stimulus yet

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This commit is contained in:
Raymond.Knopp
2017-08-11 01:44:22 +02:00
parent af4b4c3fe5
commit ec6236f8c7
9 changed files with 178 additions and 794 deletions
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targets/RT/USER/lte-enb.c
+23 -17
View File
@@ -721,31 +721,40 @@ void kill_eNB_proc(int inst) {
LOG_I(PHY, "Killing TX CC_id %d inst %d\n", CC_id, inst );
proc_rxtx[0].instance_cnt_rxtx = 0; // FIXME data race!
proc_rxtx[1].instance_cnt_rxtx = 0; // FIXME data race!
if (eNB->single_thread_flag==0) {
proc_rxtx[0].instance_cnt_rxtx = 0; // FIXME data race!
proc_rxtx[1].instance_cnt_rxtx = 0; // FIXME data race!
pthread_cond_signal( &proc_rxtx[0].cond_rxtx );
pthread_cond_signal( &proc_rxtx[1].cond_rxtx );
}
proc->instance_cnt_prach = 0;
pthread_cond_signal( &proc_rxtx[0].cond_rxtx );
pthread_cond_signal( &proc_rxtx[1].cond_rxtx );
pthread_cond_signal( &proc->cond_prach );
pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx);
pthread_join( proc->pthread_prach, (void**)&status );
LOG_I(PHY, "Destroying prach mutex/cond\n");
pthread_mutex_destroy( &proc->mutex_prach );
pthread_cond_destroy( &proc->cond_prach );
#ifdef Rel14
proc->instance_cnt_prach_br = 0;
pthread_cond_signal( &proc->cond_prach_br );
pthread_join( proc->pthread_prach_br, (void**)&status );
pthread_mutex_destroy( &proc->mutex_prach_br );
pthread_cond_destroy( &proc->cond_prach_br );
#endif
LOG_I(PHY, "Destroying UL_INFO mutex\n");
pthread_mutex_destroy(&eNB->UL_INFO_mutex);
int i;
for (i=0;i<2;i++) {
pthread_join( proc_rxtx[i].pthread_rxtx, (void**)&status );
pthread_mutex_destroy( &proc_rxtx[i].mutex_rxtx );
pthread_cond_destroy( &proc_rxtx[i].cond_rxtx );
if (eNB->single_thread_flag==0) {
for (i=0;i<2;i++) {
LOG_I(PHY, "Joining rxtx[%d] mutex/cond\n");
pthread_join( proc_rxtx[i].pthread_rxtx, (void**)&status );
LOG_I(PHY, "Destroying rxtx[%d] mutex/cond\n");
pthread_mutex_destroy( &proc_rxtx[i].mutex_rxtx );
pthread_cond_destroy( &proc_rxtx[i].cond_rxtx );
}
}
}
}
@@ -854,8 +863,11 @@ void init_eNB_afterRU() {
AssertFatal(eNB->num_RU>0,"Number of RU attached to eNB %d is zero\n",eNB->Mod_id);
LOG_I(PHY,"Mapping RX ports from %d RUs to eNB %d\n",eNB->num_RU,eNB->Mod_id);
eNB->frame_parms.nb_antennas_rx = 0;
eNB->prach_vars.rxsigF = (int16_t*)malloc16(64*sizeof(int16_t*));
eNB->prach_vars.rxsigF[0] = (int16_t*)malloc16(64*sizeof(int16_t*));
#ifdef Rel14
for (int ce_level=0;ce_level<4;ce_level++)
eNB->prach_vars_br.rxsigF[ce_level] = (int16_t*)malloc16(64*sizeof(int16_t*));
#endif
for (ru_id=0,aa=0;ru_id<eNB->num_RU;ru_id++) {
eNB->frame_parms.nb_antennas_rx += eNB->RU_list[ru_id]->nb_rx;
@@ -877,12 +889,6 @@ void init_eNB_afterRU() {
"inst %d, CC_id %d : nb_antennas_rx %d\n",inst,CC_id,eNB->frame_parms.nb_antennas_rx);
LOG_I(PHY,"inst %d, CC_id %d : nb_antennas_rx %d\n",inst,CC_id,eNB->frame_parms.nb_antennas_rx);
AssertFatal(eNB->frame_parms.nb_antennas_rx <= sizeof(eNB->prach_vars.prach_ifft) / sizeof(eNB->prach_vars.prach_ifft[0]),
"nb_antennas_rx too large");
for (i=0; i<eNB->frame_parms.nb_antennas_rx; i++) {
eNB->prach_vars.prach_ifft[i] = (int16_t*)malloc16_clear(1024*2*sizeof(int16_t));
LOG_D(PHY,"[INIT] prach_vars->prach_ifft[%d] = %p\n",i,eNB->prach_vars.prach_ifft[i]);
}
init_transport(eNB);
init_precoding_weights(RC.eNB[inst][CC_id]);
}
targets/RT/USER/lte-ru.c
+78 -30
View File
@@ -133,6 +133,8 @@ int connect_rau(RU_t *ru);
/*************************************************************/
/* Functions to attach and configure RRU */
extern void wait_eNBs();
int attach_rru(RU_t *ru) {
ssize_t msg_len,len;
@@ -626,7 +628,7 @@ void fh_if4p5_north_asynch_in(RU_t *ru,int *frame,int *subframe) {
if ((frame_tx == 0)&&(subframe_tx == 0)) proc->frame_tx_unwrap += 1024;
proc->timestamp_tx = (((frame_tx + proc->frame_tx_unwrap) * 10) + subframe_tx) * fp->samples_per_tti;
LOG_D(PHY,"RU %d/%d TST %llu, frame %d, subframe %d\n",ru->idx,0,proc->timestamp_tx,frame_tx,subframe_tx);
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,subframe_tx);
// dump VCD output for first RU in list
if (ru == RC.ru[0]) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, frame_tx );
@@ -680,33 +682,53 @@ void rx_rf(RU_t *ru,int *frame,int *subframe) {
void *rxp[ru->nb_rx];
unsigned int rxs;
int i;
openair0_timestamp ts,old_ts;
for (i=0; i<ru->nb_rx; i++)
rxp[i] = (void*)&ru->common.rxdata[i][*subframe*fp->samples_per_tti];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 1 );
old_ts = proc->timestamp_rx;
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&(proc->timestamp_rx),
&ts,
rxp,
fp->samples_per_tti,
ru->nb_rx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
if (proc->first_rx == 1)
proc->timestamp_rx = ts-ru->ts_offset;
if (rxs != fp->samples_per_tti)
LOG_E(PHY,"rx_rf: Asked for %d samples, got %d from USRP\n",fp->samples_per_tti,rxs);
if (proc->first_rx == 1) {
ru->ts_offset = proc->timestamp_rx;
proc->frame_rx = ((proc->timestamp_rx-ru->ts_offset) / (fp->samples_per_tti*10))&1023;
proc->subframe_rx = ((proc->timestamp_rx-ru->ts_offset) / fp->samples_per_tti)%10;
proc->timestamp_rx = 0;
}
else {
if (proc->timestamp_rx - old_ts != fp->samples_per_tti) {
LOG_I(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",proc->timestamp_rx - old_ts - fp->samples_per_tti,ru->ts_offset);
ru->ts_offset += (proc->timestamp_rx - old_ts - fp->samples_per_tti);
proc->timestamp_rx = ts-ru->ts_offset;
}
}
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_tti*10))&1023;
proc->subframe_rx = (proc->timestamp_rx / fp->samples_per_tti)%10;
// synchronize first reception to frame 0 subframe 0
proc->timestamp_tx = proc->timestamp_rx+(4*fp->samples_per_tti);
proc->subframe_tx = (proc->subframe_rx+4)%10;
proc->frame_tx = (proc->subframe_rx>5) ? (proc->frame_rx+1)&1023 : proc->frame_rx;
LOG_D(PHY,"RU %d/%d TS %llu (off %d), frame %d, subframe %d\n",ru->idx, 0, proc->timestamp_rx,ru->ts_offset,proc->frame_rx,proc->subframe_rx);
LOG_D(PHY,"RU %d/%d TS %llu (off %d), frame %d, subframe %d\n",
ru->idx,
0,
(unsigned long long int)proc->timestamp_rx,
(int)ru->ts_offset,proc->frame_rx,proc->subframe_rx);
// dump VCD output for first RU in list
if (ru == RC.ru[0]) {
@@ -752,30 +774,56 @@ void tx_rf(RU_t *ru) {
unsigned int txs;
int i;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (proc->timestamp_tx-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
for (i=0; i<ru->nb_tx; i++)
txp[i] = (void*)&ru->common.txdata[i][proc->subframe_tx*fp->samples_per_tti];
txs = ru->rfdevice.trx_write_func(&ru->rfdevice,
proc->timestamp_tx-ru->openair0_cfg.tx_sample_advance,
txp,
fp->samples_per_tti,
ru->nb_tx,
1);
LOG_D(PHY,"[TXPATH] RU %d tx_rf, writing to TS %llu, frame %d, unwrapped_frame %d, subframe %d\n",ru->idx,
proc->timestamp_tx,proc->frame_tx,proc->frame_tx_unwrap,proc->subframe_tx,proc);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 );
lte_subframe_t SF_type = subframe_select(fp,proc->subframe_tx%10);
lte_subframe_t prevSF_type = subframe_select(fp,(proc->subframe_tx+9)%10);
lte_subframe_t nextSF_type = subframe_select(fp,(proc->subframe_tx+1)%10);
if ((SF_type == SF_DL) ||
(SF_type == SF_S)) {
for (i=0; i<ru->nb_tx; i++)
txp[i] = (void*)&ru->common.txdata[i][proc->subframe_tx*fp->samples_per_tti];
int siglen=fp->samples_per_tti,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
if ((fp->frame_type == 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)
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (proc->timestamp_tx-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
if (txs != fp->samples_per_tti) {
LOG_E(PHY,"TX : Timeout (sent %d/%d)\n",txs, fp->samples_per_tti);
exit_fun( "problem transmitting samples" );
}
txs = ru->rfdevice.trx_write_func(&ru->rfdevice,
proc->timestamp_tx+ru->ts_offset-ru->openair0_cfg.tx_sample_advance,
txp,
siglen,
ru->nb_tx,
flags);
LOG_D(PHY,"[TXPATH] RU %d tx_rf, writing to TS %llu, frame %d, unwrapped_frame %d, subframe %d\n",ru->idx,
proc->timestamp_tx,proc->frame_tx,proc->frame_tx_unwrap,proc->subframe_tx,proc);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 );
if (txs != fp->samples_per_tti) {
LOG_E(PHY,"TX : Timeout (sent %d/%d)\n",txs, fp->samples_per_tti);
exit_fun( "problem transmitting samples" );
}
}
}
targets/RT/USER/lte-softmodem.c
+2 -2
View File
@@ -1691,8 +1691,8 @@ int main( int argc, char **argv )
if (RC.nb_L1_inst > 0) {
printf("Initializing eNB threads\n");
init_eNB(single_thread_flag,wait_for_sync);
for (inst=0;inst<RC.nb_L1_inst;inst++)
for (CC_id=0;CC_id<RC.nb_L1_CC[inst];CC_id++) phy_init_lte_eNB(RC.eNB[inst][CC_id],0,0);
// for (inst=0;inst<RC.nb_L1_inst;inst++)
// for (CC_id=0;CC_id<RC.nb_L1_CC[inst];CC_id++) phy_init_lte_eNB(RC.eNB[inst][CC_id],0,0);
}
wait_eNBs();