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Merge branch 'enhancement-10-harmony' into develop_integration_w03

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Conflicts:
	targets/RT/USER/lte-enb.c
	targets/RT/USER/lte-softmodem.c
This commit is contained in:
Cedric Roux
2017-01-20 16:49:39 +01:00
parent da0cbaf86c 56241235cf
commit e6f3c9b899
50 changed files with 4118 additions and 992 deletions
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targets/RT/USER/lte-enb.c
+489 -117
View File
@@ -157,7 +157,7 @@ extern double cpuf;
void exit_fun(const char* s);
void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst,eth_params_t *,int);
void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst,eth_params_t *,int,int);
void stop_eNB(int nb_inst);
@@ -279,6 +279,7 @@ static inline void wait_sync(char *thread_name) {
void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
{
int CC_id = phy_vars_eNB->proc.CC_id;
unsigned int aa,slot_offset;
//int dummy_tx_b[7680*4] __attribute__((aligned(32)));
int i, tx_offset;
@@ -298,14 +299,16 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
do_OFDM_mod_symbol(&phy_vars_eNB->common_vars,
0,
subframe<<1,
&phy_vars_eNB->frame_parms);
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
// if S-subframe generate first slot only
if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_DL) {
do_OFDM_mod_symbol(&phy_vars_eNB->common_vars,
0,
1+(subframe<<1),
&phy_vars_eNB->frame_parms);
&phy_vars_eNB->frame_parms,
phy_vars_eNB->do_precoding);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_ENB_OFDM_MODULATION,0);
@@ -368,9 +371,9 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)dummy_tx_b)[2*i+1]<<openair0_cfg[0].iq_txshift; */
((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0]<<openair0_cfg[0].iq_txshift;
((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[0]<<openair0_cfg[CC_id].iq_txshift;
((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1]<<openair0_cfg[0].iq_txshift;
((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1] = ((short*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset])[1]<<openair0_cfg[CC_id].iq_txshift;
}
// if S-subframe switch to RX in second subframe
if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_S) {
@@ -404,16 +407,25 @@ void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB)
void tx_fh_if5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, proc->timestamp_tx&0xffffffff );
send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_RRH_GW_DL);
if ((eNB->frame_parms.frame_type==FDD) ||
((eNB->frame_parms.frame_type==TDD) &&
(subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL)))
send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_RRH_GW_DL);
}
void tx_fh_if5_mobipass(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, proc->timestamp_tx&0xffffffff );
send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_MOBIPASS);
if ((eNB->frame_parms.frame_type==FDD) ||
((eNB->frame_parms.frame_type==TDD) &&
(subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL)))
send_IF5(eNB, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_MOBIPASS);
}
void tx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
send_IF4p5(eNB,proc->frame_tx, proc->subframe_tx, IF4p5_PDLFFT, 0);
void tx_fh_if4p5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc) {
if ((eNB->frame_parms.frame_type==FDD) ||
((eNB->frame_parms.frame_type==TDD) &&
(subframe_select(&eNB->frame_parms,proc->subframe_tx) != SF_UL)))
send_IF4p5(eNB,proc->frame_tx,proc->subframe_tx, IF4p5_PDLFFT, 0);
}
void proc_tx_high0(PHY_VARS_eNB *eNB,
@@ -551,9 +563,12 @@ static inline int rxtx(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc, char *thread_nam
start_meas(&softmodem_stats_rxtx_sf);
// ****************************************
// ****************************************
// Common RX procedures subframe n
phy_procedures_eNB_common_RX(eNB);
if ((eNB->do_prach)&&((eNB->node_function != NGFI_RCC_IF4p5)))
eNB->do_prach(eNB,proc->frame_rx,proc->subframe_rx);
phy_procedures_eNB_common_RX(eNB,proc);
// UE-specific RX processing for subframe n
if (eNB->proc_uespec_rx) eNB->proc_uespec_rx(eNB, proc, no_relay );
@@ -609,7 +624,8 @@ static void* eNB_thread_rxtx( void* param ) {
if (oai_exit) break;
if (rxtx(eNB,proc,thread_name) < 0) break;
if (eNB->CC_id==0)
if (rxtx(eNB,proc,thread_name) < 0) break;
} // while !oai_exit
@@ -641,32 +657,43 @@ static void wait_system_ready (char *message, volatile int *start_flag) {
#endif
// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU)
// asynchronous UL with IF5 (RCC,RAU,eNodeB_BBU)
void fh_if5_asynch_UL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
eNB_proc_t *proc = &eNB->proc;
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
recv_IF5(eNB, &proc->timestamp_rx, *subframe, IF5_RRH_GW_UL);
recv_IF5(eNB, &proc->timestamp_rx, *subframe, IF5_MOBIPASS);
proc->subframe_rx = (proc->timestamp_rx/fp->samples_per_tti)%10;
proc->frame_rx = (proc->timestamp_rx/(10*fp->samples_per_tti))&1023;
if (proc->first_rx != 0) {
proc->first_rx = 0;
int offset_mobipass = 40120;
pthread_mutex_lock(&proc->mutex_asynch_rxtx);
proc->subframe_rx = ((proc->timestamp_rx-offset_mobipass)/fp->samples_per_tti)%10;
proc->frame_rx = ((proc->timestamp_rx-offset_mobipass)/(fp->samples_per_tti*10))&1023;
if (proc->first_rx == 1) {
proc->first_rx =2;
*subframe = proc->subframe_rx;
*frame = proc->frame_rx;
LOG_E(PHY,"[Mobipass]timestamp_rx:%llu, frame_rx %d, subframe: %d\n",proc->timestamp_rx,proc->frame_rx,proc->subframe_rx);
}
else {
if (proc->subframe_rx != *subframe) {
LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe);
exit_fun("Exiting");
proc->first_rx++;
LOG_E(PHY,"[Mobipass]timestamp:%llu, subframe_rx %d is not what we expect %d, first_rx:%d\n",proc->timestamp_rx, proc->subframe_rx,*subframe, proc->first_rx);
//exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->frame_rx,*frame);
exit_fun("Exiting");
proc->first_rx++;
LOG_E(PHY,"[Mobipass]timestamp:%llu, frame_rx %d is not what we expect %d, first_rx:%d\n",proc->timestamp_rx,proc->frame_rx,*frame, proc->first_rx);
// exit_fun("Exiting");
}
// temporary solution
*subframe = proc->subframe_rx;
*frame = proc->frame_rx;
}
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
} // eNodeB_3GPP_BBU
// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU)
@@ -693,11 +720,11 @@ void fh_if4p5_asynch_UL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
}
else {
if (proc->frame_rx != *frame) {
LOG_E(PHY,"frame_rx %d is not what we expect %d\n",proc->frame_rx,*frame);
LOG_E(PHY,"fh_if4p5_asynch_UL: frame_rx %d is not what we expect %d\n",proc->frame_rx,*frame);
exit_fun("Exiting");
}
if (proc->subframe_rx != *subframe) {
LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe);
LOG_E(PHY,"fh_if4p5_asynch_UL: subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe);
exit_fun("Exiting");
}
}
@@ -721,11 +748,14 @@ void fh_if5_asynch_DL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
openair0_timestamp timestamp_tx;
recv_IF5(eNB, &timestamp_tx, *subframe, IF5_RRH_GW_DL);
// printf("Received subframe %d (TS %llu) from RCC\n",subframe_tx,timestamp_tx);
//printf("Received subframe %d (TS %llu) from RCC\n",subframe_tx,timestamp_tx);
subframe_tx = (timestamp_tx/fp->samples_per_tti)%10;
frame_tx = (timestamp_tx/(fp->samples_per_tti*10))&1023;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB, frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB, subframe_tx );
if (proc->first_tx != 0) {
*subframe = subframe_tx;
*frame = frame_tx;
@@ -733,11 +763,11 @@ void fh_if5_asynch_DL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
}
else {
if (subframe_tx != *subframe) {
LOG_E(PHY,"subframe_tx %d is not what we expect %d\n",subframe_tx,*subframe);
LOG_E(PHY,"fh_if5_asynch_DL: subframe_tx %d is not what we expect %d\n",subframe_tx,*subframe);
exit_fun("Exiting");
}
if (frame_tx != *frame) {
LOG_E(PHY,"frame_tx %d is not what we expect %d\n",frame_tx,*frame);
LOG_E(PHY,"fh_if5_asynch_DL: frame_tx %d is not what we expect %d\n",frame_tx,*frame);
exit_fun("Exiting");
}
}
@@ -749,40 +779,67 @@ void fh_if4p5_asynch_DL(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
eNB_proc_t *proc = &eNB->proc;
uint16_t packet_type;
uint32_t symbol_number,symbol_mask,symbol_mask_full;
uint32_t symbol_number,symbol_mask_full;
int subframe_tx,frame_tx;
symbol_number = 0;
symbol_mask = 0;
symbol_mask_full = (1<<fp->symbols_per_tti)-1;
LOG_D(PHY,"fh_asynch_DL_IF4p5: in, frame %d, subframe %d\n",*frame,*subframe);
// correct for TDD
if (fp->frame_type == TDD) {
while (subframe_select(fp,*subframe) == SF_UL) {
*subframe=*subframe+1;
if (*subframe==10) {
*subframe=0;
*frame=*frame+1;
}
}
}
LOG_D(PHY,"fh_asynch_DL_IF4p5: after TDD correction, frame %d, subframe %d\n",*frame,*subframe);
symbol_mask_full = ((subframe_select(fp,*subframe) == SF_S) ? (1<<fp->dl_symbols_in_S_subframe) : (1<<fp->symbols_per_tti))-1;
do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5(eNB, &frame_tx, &subframe_tx, &packet_type, &symbol_number);
if (proc->first_tx != 0) {
*frame = frame_tx;
*subframe = subframe_tx;
proc->first_tx = 0;
proc->frame_offset = frame_tx - proc->frame_tx;
symbol_mask_full = ((subframe_select(fp,*subframe) == SF_S) ? (1<<fp->dl_symbols_in_S_subframe) : (1<<fp->symbols_per_tti))-1;
}
else {
if (frame_tx != *frame) {
LOG_E(PHY,"frame_tx %d is not what we expect %d\n",frame_tx,*frame);
LOG_E(PHY,"fh_if4p5_asynch_DL: frame_tx %d is not what we expect %d\n",frame_tx,*frame);
exit_fun("Exiting");
}
if (subframe_tx != *subframe) {
LOG_E(PHY,"subframe_tx %d is not what we expect %d\n",subframe_tx,*subframe);
LOG_E(PHY,"fh_if4p5_asynch_DL: (frame %d) subframe_tx %d is not what we expect %d\n",frame_tx,subframe_tx,*subframe);
//*subframe = subframe_tx;
exit_fun("Exiting");
}
}
if (packet_type == IF4p5_PDLFFT) {
symbol_mask = symbol_mask | (1<<symbol_number);
proc->symbol_mask[subframe_tx] =proc->symbol_mask[subframe_tx] | (1<<symbol_number);
}
else {
LOG_E(PHY,"Illegal IF4p5 packet type (should only be IF4p5_PDLFFT%d\n",packet_type);
exit_fun("Exiting");
}
} while (symbol_mask != symbol_mask_full);
} while (proc->symbol_mask[*subframe] != symbol_mask_full);
*frame = frame_tx;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB, frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB, subframe_tx );
// intialize this to zero after we're done with the subframe
proc->symbol_mask[*subframe] = 0;
do_OFDM_mod_rt(subframe_tx, eNB);
do_OFDM_mod_rt(*subframe, eNB);
}
/*!
@@ -848,61 +905,113 @@ void rx_rf(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
void *rxp[fp->nb_antennas_rx],*txp[fp->nb_antennas_tx];
unsigned int rxs,txs;
int i;
int tx_sfoffset = 3;//(eNB->single_thread_flag == 1) ? 3 : 3;
int tx_sfoffset = (eNB->single_thread_flag == 1) ? 3 : 2;
openair0_timestamp ts,old_ts;
if (proc->first_rx==0) {
// Transmit TX buffer based on timestamp from RX
// printf("trx_write -> USRP TS %llu (sf %d)\n", (proc->timestamp_rx+(3*fp->samples_per_tti)),(proc->subframe_rx+2)%10);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (proc->timestamp_rx+(tx_sfoffset*fp->samples_per_tti)-openair0_cfg[0].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<fp->nb_antennas_tx; i++)
txp[i] = (void*)&eNB->common_vars.txdata[0][i][((proc->subframe_rx+tx_sfoffset)%10)*fp->samples_per_tti];
txs = eNB->rfdevice.trx_write_func(&eNB->rfdevice,
proc->timestamp_rx+(tx_sfoffset*fp->samples_per_tti)-openair0_cfg[0].tx_sample_advance,
txp,
fp->samples_per_tti,
fp->nb_antennas_tx,
1);
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" );
}
lte_subframe_t SF_type = subframe_select(fp,(proc->subframe_rx+tx_sfoffset)%10);
lte_subframe_t prevSF_type = subframe_select(fp,(proc->subframe_rx+tx_sfoffset+9)%10);
lte_subframe_t nextSF_type = subframe_select(fp,(proc->subframe_rx+tx_sfoffset+1)%10);
if ((SF_type == SF_DL) ||
(SF_type == SF_S)) {
for (i=0; i<fp->nb_antennas_tx; i++)
txp[i] = (void*)&eNB->common_vars.txdata[0][i][((proc->subframe_rx+tx_sfoffset)%10)*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_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_WRITE_FLAGS,flags);
txs = eNB->rfdevice.trx_write_func(&eNB->rfdevice,
proc->timestamp_rx+eNB->ts_offset+(tx_sfoffset*fp->samples_per_tti)-openair0_cfg[0].tx_sample_advance,
txp,
siglen,
fp->nb_antennas_tx,
flags);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 );
if (txs != siglen) {
LOG_E(PHY,"TX : Timeout (sent %d/%d)\n",txs, fp->samples_per_tti);
exit_fun( "problem transmitting samples" );
}
}
}
for (i=0; i<fp->nb_antennas_rx; i++)
rxp[i] = (void*)&eNB->common_vars.rxdata[0][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 = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
&ts,
rxp,
fp->samples_per_tti,
fp->nb_antennas_rx);
proc->timestamp_rx = ts-eNB->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);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
if (proc->first_rx == 1) {
eNB->ts_offset = proc->timestamp_rx;
proc->timestamp_rx=0;
}
else {
if (proc->timestamp_rx - old_ts != fp->samples_per_tti) {
LOG_I(PHY,"rx_rf: rfdevice timing drift of %d samples\n",proc->timestamp_rx - old_ts - fp->samples_per_tti);
eNB->ts_offset += (proc->timestamp_rx - old_ts - fp->samples_per_tti);
proc->timestamp_rx = ts-eNB->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;
proc->frame_rx = (proc->frame_rx+proc->frame_offset)&1023;
proc->frame_tx = proc->frame_rx;
if (proc->subframe_rx > 5) proc->frame_tx=(proc->frame_tx+1)&1023;
// synchronize first reception to frame 0 subframe 0
proc->timestamp_tx = proc->timestamp_rx+(4*fp->samples_per_tti);
//printf("trx_read <- RX TS %llu (sf %d, first_rx %d)\n", proc->timestamp_rx,proc->subframe_rx,proc->first_rx);
// printf("trx_read <- USRP TS %lu (offset %d sf %d, f %d, first_rx %d)\n", proc->timestamp_rx,eNB->ts_offset,proc->subframe_rx,proc->frame_rx,proc->first_rx);
if (proc->first_rx == 0) {
if (proc->subframe_rx != *subframe){
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,*subframe);
LOG_E(PHY,"rx_rf: Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->timestamp_rx,proc->subframe_rx,*subframe);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
int f2 = (*frame+proc->frame_offset)&1023;
if (proc->frame_rx != f2) {
LOG_E(PHY,"rx_rf: Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d, frame_offset %d, f2 %d)\n",proc->timestamp_rx,proc->frame_rx,*frame,proc->frame_offset,f2);
exit_fun("Exiting");
}
} else {
@@ -934,12 +1043,12 @@ void rx_fh_if5(PHY_VARS_eNB *eNB,int *frame, int *subframe) {
if (proc->first_rx == 0) {
if (proc->subframe_rx != *subframe){
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,*subframe);
LOG_E(PHY,"rx_fh_if5: Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,*subframe);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
LOG_E(PHY,"rx_fh_if5: Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
exit_fun("Exiting");
}
} else {
@@ -947,6 +1056,10 @@ void rx_fh_if5(PHY_VARS_eNB *eNB,int *frame, int *subframe) {
*frame = proc->frame_rx;
*subframe = proc->subframe_rx;
}
proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
@@ -957,50 +1070,80 @@ void rx_fh_if4p5(PHY_VARS_eNB *eNB,int *frame,int *subframe) {
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
eNB_proc_t *proc = &eNB->proc;
int prach_rx;
int f,sf;
uint16_t packet_type;
uint32_t symbol_number=0;
uint32_t symbol_mask, symbol_mask_full;
uint32_t symbol_mask_full;
symbol_mask = 0;
symbol_mask_full = (1<<fp->symbols_per_tti)-1;
prach_rx = 0;
if ((fp->frame_type == TDD) && (subframe_select(fp,*subframe)==SF_S))
symbol_mask_full = (1<<fp->ul_symbols_in_S_subframe)-1;
else
symbol_mask_full = (1<<fp->symbols_per_tti)-1;
if (eNB->CC_id==1) LOG_I(PHY,"rx_fh_if4p5: frame %d, subframe %d\n",*frame,*subframe);
do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5(eNB, &proc->frame_rx, &proc->subframe_rx, &packet_type, &symbol_number);
recv_IF4p5(eNB, &f, &sf, &packet_type, &symbol_number);
//proc->frame_rx = (proc->frame_rx + proc->frame_offset)&1023;
if (packet_type == IF4p5_PULFFT) {
symbol_mask = symbol_mask | (1<<symbol_number);
prach_rx = (is_prach_subframe(fp, proc->frame_rx, proc->subframe_rx)>0) ? 1 : 0;
LOG_D(PHY,"rx_fh_if4p5: frame %d, subframe %d, PULFFT symbol %d\n",f,sf,symbol_number);
proc->symbol_mask[sf] = proc->symbol_mask[sf] | (1<<symbol_number);
} else if (packet_type == IF4p5_PULTICK) {
if ((proc->first_rx==0) && (f!=*frame))
LOG_E(PHY,"rx_fh_if4p5: PULTICK received frame %d != expected %d\n",f,*frame);
if ((proc->first_rx==0) && (sf!=*subframe))
LOG_E(PHY,"rx_fh_if4p5: PULTICK received subframe %d != expected %d (first_rx %d)\n",sf,*subframe,proc->first_rx);
break;
} else if (packet_type == IF4p5_PRACH) {
prach_rx = 0;
LOG_D(PHY,"rx_fh:if4p5: frame %d, subframe %d, PRACH\n",f,sf);
// wakeup prach processing
if (eNB->do_prach) eNB->do_prach(eNB,f,sf);
}
} while( (symbol_mask != symbol_mask_full) || (prach_rx == 1));
if (eNB->CC_id==1) LOG_I(PHY,"rx_fh_if4p5: symbol_mask[%d] %x\n",*subframe,proc->symbol_mask[*subframe]);
} while(proc->symbol_mask[*subframe] != symbol_mask_full);
proc->subframe_rx = sf;
proc->frame_rx = f;
proc->symbol_mask[*subframe] = 0;
proc->symbol_mask[(9+*subframe)%10]= 0; // to handle a resynchronization event
if (eNB->CC_id==1) LOG_I(PHY,"Clearing symbol_mask[%d]\n",*subframe);
//caculate timestamp_rx, timestamp_tx based on frame and subframe
proc->timestamp_rx = ((proc->frame_rx * 10) + proc->subframe_rx ) * fp->samples_per_tti ;
proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti);
proc->timestamp_rx = ((proc->frame_rx * 10) + proc->subframe_rx ) * fp->samples_per_tti ;
proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti);
if (proc->first_rx == 0) {
if (proc->subframe_rx != *subframe){
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,*subframe);
exit_fun("Exiting");
LOG_E(PHY,"rx_fh_if4p5, CC_id %d: Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d,CCid %d)\n",eNB->CC_id,proc->subframe_rx,*subframe,eNB->CC_id);
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
exit_fun("Exiting");
if (proc->frame_rx == proc->frame_offset) // This means that the RRU has adjusted its frame timing
proc->frame_offset = 0;
else
LOG_E(PHY,"rx_fh_if4p5: Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d,CCid %d)\n",proc->frame_rx,*frame,eNB->CC_id);
}
} else {
proc->first_rx--;
*frame = proc->frame_rx;
proc->first_rx = 0;
if (eNB->CC_id==0)
proc->frame_offset = 0;
else
proc->frame_offset = PHY_vars_eNB_g[0][0]->proc.frame_rx;
*frame = proc->frame_rx;//(proc->frame_rx + proc->frame_offset)&1023;
*subframe = proc->subframe_rx;
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
if (eNB->CC_id==0) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
}
@@ -1089,11 +1232,16 @@ void wakeup_slaves(eNB_proc_t *proc) {
exit_fun( "error locking mutex_rxtx" );
break;
}
while (slave_proc->instance_cnt_FH == 0) {
// LOG_W( PHY,"[eNB] Frame:%d , eNB rx_fh_slave thread busy!! (cnt_FH %i)\n", proc->frame_rx,slave_proc->instance_cnt_FH );
usleep(500);
}
int cnt_slave = ++slave_proc->instance_cnt_FH;
slave_proc->frame_rx = proc->frame_rx;
slave_proc->subframe_rx = proc->subframe_rx;
slave_proc->timestamp_rx = proc->timestamp_rx;
//slave_proc->timestamp_rx = proc->timestamp_rx;
slave_proc->timestamp_tx = proc->timestamp_tx;
pthread_mutex_unlock( &slave_proc->mutex_FH );
@@ -1113,6 +1261,117 @@ void wakeup_slaves(eNB_proc_t *proc) {
}
}
uint32_t sync_corr[307200] __attribute__((aligned(32)));
// This thread run the initial synchronization like a UE
void *eNB_thread_synch(void *arg) {
PHY_VARS_eNB *eNB = (PHY_VARS_eNB*)arg;
LTE_DL_FRAME_PARMS *fp=&eNB->frame_parms;
int32_t sync_pos,sync_pos2;
uint32_t peak_val;
thread_top_init("eNB_thread_synch",0,5000000,10000000,10000000);
wait_sync("eNB_thread_synch");
// initialize variables for PSS detection
lte_sync_time_init(&eNB->frame_parms);
while (!oai_exit) {
// wait to be woken up
pthread_mutex_lock(&eNB->proc.mutex_synch);
while (eNB->proc.instance_cnt_synch < 0)
pthread_cond_wait(&eNB->proc.cond_synch,&eNB->proc.mutex_synch);
pthread_mutex_unlock(&eNB->proc.mutex_synch);
// if we're not in synch, then run initial synch
if (eNB->in_synch == 0) {
// run intial synch like UE
LOG_I(PHY,"Running initial synchronization\n");
sync_pos = lte_sync_time_eNB(eNB->common_vars.rxdata[0],
fp,
fp->samples_per_tti*5,
&peak_val,
sync_corr);
LOG_I(PHY,"eNB synch: %d, val %d\n",sync_pos,peak_val);
if (sync_pos >= 0) {
if (sync_pos >= fp->nb_prefix_samples)
sync_pos2 = sync_pos - fp->nb_prefix_samples;
else
sync_pos2 = sync_pos + (fp->samples_per_tti*10) - fp->nb_prefix_samples;
if (fp->frame_type == FDD) {
// PSS is hypothesized in last symbol of first slot in Frame
int sync_pos_slot = (fp->samples_per_tti>>1) - fp->ofdm_symbol_size - fp->nb_prefix_samples;
if (sync_pos2 >= sync_pos_slot)
eNB->rx_offset = sync_pos2 - sync_pos_slot;
else
eNB->rx_offset = (fp->samples_per_tti*10) + sync_pos2 - sync_pos_slot;
}
else {
}
LOG_I(PHY,"Estimated sync_pos %d, peak_val %d => timing offset %d\n",sync_pos,peak_val,eNB->rx_offset);
/*
if ((peak_val > 300000) && (sync_pos > 0)) {
// if (sync_pos++ > 3) {
write_output("eNB_sync.m","sync",(void*)&sync_corr[0],fp->samples_per_tti*5,1,2);
write_output("eNB_rx.m","rxs",(void*)eNB->common_vars.rxdata[0][0],fp->samples_per_tti*10,1,1);
exit(-1);
}
*/
eNB->in_synch=1;
}
}
// release thread
pthread_mutex_lock(&eNB->proc.mutex_synch);
eNB->proc.instance_cnt_synch--;
pthread_mutex_unlock(&eNB->proc.mutex_synch);
} // oai_exit
lte_sync_time_free();
return NULL;
}
int wakeup_synch(PHY_VARS_eNB *eNB){
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
// wake up synch thread
// lock the synch mutex and make sure the thread is ready
if (pthread_mutex_timedlock(&eNB->proc.mutex_synch,&wait) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB synch thread (IC %d)\n", eNB->proc.instance_cnt_synch );
exit_fun( "error locking mutex_synch" );
return(-1);
}
++eNB->proc.instance_cnt_synch;
// the thread can now be woken up
if (pthread_cond_signal(&eNB->proc.cond_synch) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB synch thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
pthread_mutex_unlock( &eNB->proc.mutex_synch );
return(0);
}
/*!
* \brief The Fronthaul thread of RRU/RAU/RCC/eNB
* In the case of RRU/eNB, handles interface with external RF
@@ -1233,6 +1492,8 @@ static void* eNB_thread_prach( void* param ) {
return &eNB_thread_prach_status;
}
static void* eNB_thread_single( void* param ) {
static int eNB_thread_single_status;
@@ -1240,9 +1501,25 @@ static void* eNB_thread_single( void* param ) {
eNB_proc_t *proc = (eNB_proc_t*)param;
eNB_rxtx_proc_t *proc_rxtx = &proc->proc_rxtx[0];
PHY_VARS_eNB *eNB = PHY_vars_eNB_g[0][proc->CC_id];
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
eNB->CC_id = proc->CC_id;
void *rxp[2],*rxp2[2];
int subframe=0, frame=0;
int32_t dummy_rx[fp->nb_antennas_rx][fp->samples_per_tti] __attribute__((aligned(32)));
int ic;
int rxs;
int i;
// initialize the synchronization buffer to the common_vars.rxdata
for (int i=0;i<fp->nb_antennas_rx;i++)
rxp[i] = &eNB->common_vars.rxdata[0][i][0];
// set default return value
eNB_thread_single_status = 0;
@@ -1271,6 +1548,74 @@ static void* eNB_thread_single( void* param ) {
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
pthread_cond_signal(&proc->cond_asynch_rxtx);
// if this is a slave eNB, try to synchronize on the DL frequency
if ((eNB->is_slave) &&
((eNB->node_function >= NGFI_RRU_IF5))) {
// if FDD, switch RX on DL frequency
double temp_freq1 = eNB->rfdevice.openair0_cfg->rx_freq[0];
double temp_freq2 = eNB->rfdevice.openair0_cfg->tx_freq[0];
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = eNB->rfdevice.openair0_cfg->tx_freq[i];
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq1;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,0);
while ((eNB->in_synch ==0)&&(!oai_exit)) {
// read in frame
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
fp->samples_per_tti*10,
fp->nb_antennas_rx);
if (rxs != (fp->samples_per_tti*10))
exit_fun("Problem receiving samples\n");
// wakeup synchronization processing thread
wakeup_synch(eNB);
ic=0;
while ((ic>=0)&&(!oai_exit)) {
// continuously read in frames, 1ms at a time,
// until we are done with the synchronization procedure
for (i=0; i<fp->nb_antennas_rx; i++)
rxp2[i] = (void*)&dummy_rx[i][0];
for (i=0;i<10;i++)
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp2,
fp->samples_per_tti,
fp->nb_antennas_rx);
if (rxs != fp->samples_per_tti)
exit_fun( "problem receiving samples" );
pthread_mutex_lock(&eNB->proc.mutex_synch);
ic = eNB->proc.instance_cnt_synch;
pthread_mutex_unlock(&eNB->proc.mutex_synch);
} // ic>=0
} // in_synch==0
// read in rx_offset samples
LOG_I(PHY,"Resynchronizing by %d samples\n",eNB->rx_offset);
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
eNB->rx_offset,
fp->nb_antennas_rx);
if (rxs != eNB->rx_offset)
exit_fun( "problem receiving samples" );
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = temp_freq1;
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq2;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,1);
} // if RRU and slave
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
while (!oai_exit) {
@@ -1284,7 +1629,9 @@ static void* eNB_thread_single( void* param ) {
subframe++;
}
LOG_D(PHY,"eNB Fronthaul thread, frame %d, subframe %d\n",frame,subframe);
if (eNB->CC_id==1)
LOG_D(PHY,"eNB thread single %p (proc %p, CC_id %d), frame %d (%p), subframe %d (%p)\n",
pthread_self(), proc, eNB->CC_id, frame,&frame,subframe,&subframe);
// synchronization on FH interface, acquire signals/data and block
if (eNB->rx_fh) eNB->rx_fh(eNB,&frame,&subframe);
@@ -1295,8 +1642,11 @@ static void* eNB_thread_single( void* param ) {
proc_rxtx->subframe_rx = proc->subframe_rx;
proc_rxtx->frame_rx = proc->frame_rx;
proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10;
proc_rxtx->frame_tx = (proc->subframe_rx < 6) ? proc->frame_rx : (proc->frame_rx+1)&1023;
proc_rxtx->frame_tx = (proc->subframe_rx>5) ? (1+proc->frame_rx)&1023 : proc->frame_rx;
proc->frame_tx = proc_rxtx->frame_tx;
proc_rxtx->timestamp_tx = proc->timestamp_tx;
// adjust for timing offset between RRU
if (eNB->CC_id!=0) proc_rxtx->frame_tx = (proc_rxtx->frame_tx+proc->frame_offset)&1023;
// At this point, all information for subframe has been received on FH interface
// If this proc is to provide synchronization, do so
@@ -1324,7 +1674,7 @@ void init_eNB_proc(int inst) {
PHY_VARS_eNB *eNB;
eNB_proc_t *proc;
eNB_rxtx_proc_t *proc_rxtx;
pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL,*attr_single=NULL,*attr_fep=NULL,*attr_td=NULL,*attr_te;
pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL,*attr_single=NULL,*attr_fep=NULL,*attr_td=NULL,*attr_te=NULL,*attr_synch=NULL;
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_g[inst][CC_id];
@@ -1340,9 +1690,13 @@ void init_eNB_proc(int inst) {
proc->instance_cnt_FH = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->CC_id = CC_id;
proc->first_rx=4;
proc->instance_cnt_synch = -1;
proc->first_rx=1;
proc->first_tx=1;
proc->frame_offset = 0;
for (i=0;i<10;i++) proc->symbol_mask[i]=0;
pthread_mutex_init( &proc_rxtx[0].mutex_rxtx, NULL);
pthread_mutex_init( &proc_rxtx[1].mutex_rxtx, NULL);
@@ -1351,13 +1705,16 @@ void init_eNB_proc(int inst) {
pthread_mutex_init( &proc->mutex_prach, NULL);
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_synch,NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_FH, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_cond_init( &proc->cond_synch,NULL);
pthread_attr_init( &proc->attr_FH);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_synch);
pthread_attr_init( &proc->attr_asynch_rxtx);
pthread_attr_init( &proc->attr_single);
pthread_attr_init( &proc->attr_fep);
@@ -1370,6 +1727,7 @@ void init_eNB_proc(int inst) {
attr1 = &proc_rxtx[1].attr_rxtx;
attr_FH = &proc->attr_FH;
attr_prach = &proc->attr_prach;
attr_synch = &proc->attr_synch;
attr_asynch = &proc->attr_asynch_rxtx;
attr_single = &proc->attr_single;
attr_fep = &proc->attr_fep;
@@ -1389,6 +1747,7 @@ void init_eNB_proc(int inst) {
init_te_thread(eNB,attr_te);
}
pthread_create( &proc->pthread_prach, attr_prach, eNB_thread_prach, &eNB->proc );
pthread_create( &proc->pthread_synch, attr_synch, eNB_thread_synch, eNB);
if ((eNB->node_timing == synch_to_other) ||
(eNB->node_function == NGFI_RRU_IF5) ||
(eNB->node_function == NGFI_RRU_IF4p5))
@@ -1412,6 +1771,7 @@ void init_eNB_proc(int inst) {
}
//for multiple CCs: setup master and slaves
/*
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_g[inst][CC_id];
@@ -1424,8 +1784,8 @@ void init_eNB_proc(int inst) {
if (i >= CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc);
}
}
}
}
*/
/* setup PHY proc TX sync mechanism */
pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL);
@@ -1610,12 +1970,12 @@ int start_rf(PHY_VARS_eNB *eNB) {
return(eNB->rfdevice.trx_start_func(&eNB->rfdevice));
}
extern void eNB_fep_rru_if5(PHY_VARS_eNB *eNB);
extern void eNB_fep_full(PHY_VARS_eNB *eNB);
extern void eNB_fep_full_2thread(PHY_VARS_eNB *eNB);
extern void do_prach(PHY_VARS_eNB *eNB);
extern void eNB_fep_rru_if5(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc);
extern void eNB_fep_full(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc);
extern void eNB_fep_full_2thread(PHY_VARS_eNB *eNB,eNB_rxtx_proc_t *proc);
extern void do_prach(PHY_VARS_eNB *eNB,int frame,int subframe);
void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst,eth_params_t *eth_params,int single_thread_flag) {
void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst,eth_params_t *eth_params,int single_thread_flag,int wait_for_sync) {
int CC_id;
int inst;
@@ -1629,6 +1989,11 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB->node_timing = node_timing[CC_id];
eNB->abstraction_flag = 0;
eNB->single_thread_flag = single_thread_flag;
eNB->ts_offset = 0;
eNB->in_synch = 0;
eNB->is_slave = (wait_for_sync>0) ? 1 : 0;
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing eNB %d CC_id %d : (%s,%s)\n",inst,CC_id,eNB_functions[node_function[CC_id]],eNB_timing[node_timing[CC_id]]);
#endif
@@ -1636,6 +2001,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
switch (node_function[CC_id]) {
case NGFI_RRU_IF5:
eNB->do_prach = NULL;
eNB->do_precoding = 0;
eNB->fep = eNB_fep_rru_if5;
eNB->td = NULL;
eNB->te = NULL;
@@ -1661,6 +2027,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
}
break;
case NGFI_RRU_IF4p5:
eNB->do_precoding = 0;
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = NULL;
@@ -1679,6 +2046,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
}
eNB->rfdevice.host_type = RRH_HOST;
eNB->ifdevice.host_type = RRH_HOST;
printf("loading transport interface ...\n");
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], (eth_params+CC_id));
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
@@ -1690,6 +2058,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
break;
case eNodeB_3GPP:
eNB->do_precoding = (eNB->frame_parms.nb_antennas_tx==1) ? 0 : 1;
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
@@ -1710,26 +2079,27 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
eNB->ifdevice.host_type = BBU_HOST;
break;
case eNodeB_3GPP_BBU:
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_tx = proc_tx_full;
eNB->do_precoding = (eNB->frame_parms.nb_antennas_tx==1) ? 0 : 1;
eNB->do_prach = do_prach;
eNB->fep = eNB_fep_full;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_tx = proc_tx_full;
if (eNB->node_timing == synch_to_other) {
eNB->tx_fh = tx_fh_if5_mobipass;
eNB->rx_fh = rx_fh_slave;
eNB->fh_asynch = fh_if5_asynch_UL;
eNB->tx_fh = tx_fh_if5_mobipass;
eNB->rx_fh = rx_fh_slave;
eNB->fh_asynch = fh_if5_asynch_UL;
}
else {
eNB->tx_fh = tx_fh_if5;
eNB->rx_fh = rx_fh_if5;
eNB->fh_asynch = NULL;
eNB->tx_fh = tx_fh_if5;
eNB->rx_fh = rx_fh_if5;
eNB->fh_asynch = NULL;
}
eNB->start_rf = NULL;
eNB->start_if = start_if;
eNB->start_rf = NULL;
eNB->start_if = start_if;
eNB->rfdevice.host_type = BBU_HOST;
eNB->ifdevice.host_type = BBU_HOST;
@@ -1742,6 +2112,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
}
break;
case NGFI_RCC_IF4p5:
eNB->do_precoding = 0;
eNB->do_prach = do_prach;
eNB->fep = NULL;
eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
@@ -1765,6 +2136,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
break;
case NGFI_RAU_IF4p5:
eNB->do_precoding = 0;
eNB->do_prach = do_prach;
eNB->fep = NULL;
@@ -1792,7 +2164,7 @@ void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst
}
}
if (setup_eNB_buffers(PHY_vars_eNB_g[inst],&openair0_cfg[0])!=0) {
if (setup_eNB_buffers(PHY_vars_eNB_g[inst],&openair0_cfg[CC_id])!=0) {
printf("Exiting, cannot initialize eNodeB Buffers\n");
exit(-1);
}
targets/RT/USER/lte-softmodem.c
+46 -30
View File
@@ -112,7 +112,7 @@ extern int netlink_init(void);
// In lte-enb.c
extern int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg);
extern void init_eNB(eNB_func_t *, eNB_timing_t *,int,eth_params_t *,int);
extern void init_eNB(eNB_func_t *, eNB_timing_t *,int,eth_params_t *,int,int);
extern void stop_eNB(int);
extern void kill_eNB_proc(void);
@@ -160,6 +160,9 @@ volatile int oai_exit = 0;
static clock_source_t clock_source = internal;
static wait_for_sync = 0;
static char UE_flag=0;
unsigned int mmapped_dma=0;
@@ -379,6 +382,7 @@ void help (void) {
printf(" --ue-scan_carrier set UE to scan around carrier\n");
printf(" --loop-memory get softmodem (UE) to loop through memory instead of acquiring from HW\n");
printf(" --mmapped-dma sets flag for improved EXMIMO UE performance\n");
printf(" --external-clock tells hardware to use an external clock reference\n");
printf(" --usim-test use XOR autentication algo in case of test usim mode\n");
printf(" --single-thread-disable. Disables single-thread mode in lte-softmodem\n");
printf(" -C Set the downlink frequency for all component carriers\n");
@@ -652,7 +656,7 @@ void *l2l1_task(void *arg)
#endif
static void get_options (int argc, char **argv)
{
@@ -689,6 +693,8 @@ static void get_options (int argc, char **argv)
LONG_OPTION_PHYTEST,
LONG_OPTION_USIMTEST,
LONG_OPTION_MMAPPED_DMA,
LONG_OPTION_EXTERNAL_CLOCK,
LONG_OPTION_WAIT_FOR_SYNC,
LONG_OPTION_SINGLE_THREAD_DISABLE,
#if T_TRACER
LONG_OPTION_T_PORT,
@@ -716,6 +722,8 @@ static void get_options (int argc, char **argv)
{"phy-test", no_argument, NULL, LONG_OPTION_PHYTEST},
{"usim-test", no_argument, NULL, LONG_OPTION_USIMTEST},
{"mmapped-dma", no_argument, NULL, LONG_OPTION_MMAPPED_DMA},
{"external-clock", no_argument, NULL, LONG_OPTION_EXTERNAL_CLOCK},
{"wait-for-sync", no_argument, NULL, LONG_OPTION_WAIT_FOR_SYNC},
{"single-thread-disable", no_argument, NULL, LONG_OPTION_SINGLE_THREAD_DISABLE},
#if T_TRACER
{"T_port", required_argument, 0, LONG_OPTION_T_PORT},
@@ -824,7 +832,15 @@ static void get_options (int argc, char **argv)
case LONG_OPTION_SINGLE_THREAD_DISABLE:
single_thread_flag = 0;
break;
case LONG_OPTION_EXTERNAL_CLOCK:
clock_source = external;
break;
case LONG_OPTION_WAIT_FOR_SYNC:
wait_for_sync = 1;
break;
#if T_TRACER
case LONG_OPTION_T_PORT: {
extern int T_port;
@@ -1335,6 +1351,7 @@ void init_openair0() {
openair0_cfg[card].num_rb_dl=frame_parms[0]->N_RB_DL;
openair0_cfg[card].clock_source = clock_source;
openair0_cfg[card].tx_num_channels=min(2,((UE_flag==0) ? PHY_vars_eNB_g[0][0]->frame_parms.nb_antennas_tx : PHY_vars_UE_g[0][0]->frame_parms.nb_antennas_tx));
openair0_cfg[card].rx_num_channels=min(2,((UE_flag==0) ? PHY_vars_eNB_g[0][0]->frame_parms.nb_antennas_rx : PHY_vars_UE_g[0][0]->frame_parms.nb_antennas_rx));
@@ -1618,14 +1635,11 @@ int main( int argc, char **argv )
PHY_vars_eNB_g[0] = malloc(sizeof(PHY_VARS_eNB*));
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,frame_parms[CC_id]->Nid_cell,abstraction_flag);
PHY_vars_eNB_g[0][CC_id]->CC_id = CC_id;
PHY_vars_eNB_g[0][CC_id] = init_lte_eNB(frame_parms[CC_id],0,frame_parms[CC_id]->Nid_cell,node_function[CC_id],abstraction_flag);
PHY_vars_eNB_g[0][CC_id]->ue_dl_rb_alloc=0x1fff;
PHY_vars_eNB_g[0][CC_id]->target_ue_dl_mcs=target_dl_mcs;
PHY_vars_eNB_g[0][CC_id]->ue_ul_nb_rb=6;
PHY_vars_eNB_g[0][CC_id]->target_ue_ul_mcs=target_ul_mcs;
// initialization for phy-test
for (k=0;k<NUMBER_OF_UE_MAX;k++) {
PHY_vars_eNB_g[0][CC_id]->transmission_mode[k] = transmission_mode;
@@ -1637,41 +1651,43 @@ int main( int argc, char **argv )
for (re=0; re<frame_parms[CC_id]->ofdm_symbol_size; re++)
PHY_vars_eNB_g[0][CC_id]->common_vars.beam_weights[0][0][j][re] = 0x00007fff/frame_parms[CC_id]->nb_antennas_tx;
}
if (phy_test==1) PHY_vars_eNB_g[0][CC_id]->mac_enabled = 0;
else PHY_vars_eNB_g[0][CC_id]->mac_enabled = 1;
if (PHY_vars_eNB_g[0][CC_id]->mac_enabled == 0) { //set default parameters for testing mode
for (i=0; i<NUMBER_OF_UE_MAX; i++) {
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_RI_Index = beta_RI;
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = i;
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_ConfigIndex = 7+(i%3);
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].dsr_TransMax = sr_n4;
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_ACK_Index = beta_ACK;
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_RI_Index = beta_RI;
PHY_vars_eNB_g[0][CC_id]->pusch_config_dedicated[i].betaOffset_CQI_Index = beta_CQI;
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_PUCCH_ResourceIndex = i;
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].sr_ConfigIndex = 7+(i%3);
PHY_vars_eNB_g[0][CC_id]->scheduling_request_config[i].dsr_TransMax = sr_n4;
}
}
compute_prach_seq(&PHY_vars_eNB_g[0][CC_id]->frame_parms.prach_config_common,
PHY_vars_eNB_g[0][CC_id]->frame_parms.frame_type,
PHY_vars_eNB_g[0][CC_id]->X_u);
PHY_vars_eNB_g[0][CC_id]->frame_parms.frame_type,
PHY_vars_eNB_g[0][CC_id]->X_u);
PHY_vars_eNB_g[0][CC_id]->rx_total_gain_dB = (int)rx_gain[CC_id][0];
if (frame_parms[CC_id]->frame_type==FDD) {
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 0;
}
else {
if (frame_parms[CC_id]->N_RB_DL == 100)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624;
else if (frame_parms[CC_id]->N_RB_DL == 50)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/2;
else if (frame_parms[CC_id]->N_RB_DL == 25)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/4;
if (frame_parms[CC_id]->N_RB_DL == 100)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624;
else if (frame_parms[CC_id]->N_RB_DL == 50)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/2;
else if (frame_parms[CC_id]->N_RB_DL == 25)
PHY_vars_eNB_g[0][CC_id]->N_TA_offset = 624/4;
}
}
NB_eNB_INST=1;
NB_INST=1;
@@ -1851,9 +1867,9 @@ int main( int argc, char **argv )
}
}
else {
init_eNB(node_function,node_timing,1,eth_params,single_thread_flag);
// Sleep to allow all threads to setup
printf("Initializing eNB threads\n");
init_eNB(node_function,node_timing,1,eth_params,single_thread_flag,wait_for_sync);
number_of_cards = 1;
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
targets/RT/USER/rru_if4p5_usrp.gtkw
+10 -121
View File
@@ -1,15 +1,15 @@
[*]
[*] GTKWave Analyzer v3.3.58 (w)1999-2014 BSI
[*] Mon Aug 1 18:43:22 2016
[*] Sun Jan 15 07:26:50 2017
[*]
[dumpfile] "/tmp/openair_dump_eNB.vcd"
[dumpfile_mtime] "Mon Aug 1 18:41:49 2016"
[dumpfile_size] 22622
[savefile] "/home/papillon/openairinterface5g/targets/RT/USER/rru_if4p5_usrp.gtkw"
[timestart] 0
[dumpfile_mtime] "Sun Jan 15 07:04:19 2017"
[dumpfile_size] 18140627
[savefile] "/home/uprru1/oai/openairinterface5g/targets/RT/USER/rru_if4p5_usrp.gtkw"
[timestart] 29977510000
[size] 1301 716
[pos] 309 0
*-19.793451 29983948856 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
*-21.793451 29983948856 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1 -1
[sst_width] 284
[signals_width] 262
[sst_expanded] 1
@@ -17,10 +17,12 @@
@28
functions.trx_read
functions.trx_write
@25
variables.trx_write_flags[63:0]
@28
functions.trx_write_if
functions.send_if4
functions.trx_read_if
@29
functions.recv_if4
@24
variables.trx_ts[63:0]
@@ -40,121 +42,8 @@ variables.subframe_number_RX1_eNB[63:0]
variables.frame_number_TX1_eNB[63:0]
variables.subframe_number_TX1_eNB[63:0]
@28
functions.phy_enb_sfgen
functions.phy_eNB_ofdm_mod_l
functions.phy_eNB_slot_fep
functions.phy_enb_prach_rx
@24
variables.dci_info[63:0]
variables.ue0_BO[63:0]
@420
variables.ue0_BSR[63:0]
variables.ue0_timing_advance[63:0]
@28
functions.macxface_initiate_ra_proc
functions.macxface_terminate_ra_proc
functions.phy_enb_ulsch_msg3
functions.macxface_SR_indication
@420
variables.ue0_SR_ENERGY[63:0]
variables.ue0_SR_THRES[63:0]
@28
functions.phy_enb_ulsch_decoding0
@24
variables.ue0_res0[63:0]
@420
variables.ue0_rssi0[63:0]
variables.ue0_MCS0[63:0]
variables.ue0_RB0[63:0]
@24
variables.ue0_ROUND0[63:0]
variables.ue0_SFN0[63:0]
@28
functions.phy_enb_ulsch_decoding1
@24
variables.ue0_res1[63:0]
@420
variables.ue0_rssi1[63:0]
variables.ue0_MCS1[63:0]
variables.ue0_RB1[63:0]
@24
variables.ue0_ROUND1[63:0]
variables.ue0_SFN1[63:0]
@28
functions.phy_enb_ulsch_decoding2
@24
variables.ue0_res2[63:0]
@420
variables.ue0_rssi2[63:0]
variables.ue0_MCS2[63:0]
variables.ue0_RB2[63:0]
@24
variables.ue0_ROUND2[63:0]
variables.ue0_SFN2[63:0]
@28
functions.phy_enb_ulsch_decoding3
@24
variables.ue0_res3[63:0]
@420
variables.ue0_rssi3[63:0]
variables.ue0_MCS3[63:0]
variables.ue0_RB3[63:0]
@24
variables.ue0_ROUND3[63:0]
variables.ue0_SFN3[63:0]
@28
functions.phy_enb_ulsch_decoding4
@420
variables.ue0_rssi4[63:0]
@24
variables.ue0_res4[63:0]
@420
variables.ue0_MCS4[63:0]
variables.ue0_RB4[63:0]
@24
variables.ue0_ROUND4[63:0]
variables.ue0_SFN4[63:0]
@28
functions.phy_enb_ulsch_decoding5
@24
variables.ue0_res5[63:0]
@420
variables.ue0_rssi5[63:0]
variables.ue0_MCS5[63:0]
variables.ue0_RB5[63:0]
@24
variables.ue0_ROUND5[63:0]
variables.ue0_SFN5[63:0]
@28
functions.phy_enb_ulsch_decoding6
@24
variables.ue0_res6[63:0]
@420
variables.ue0_rssi6[63:0]
variables.ue0_MCS6[63:0]
variables.ue0_RB6[63:0]
@24
variables.ue0_ROUND6[63:0]
variables.ue0_SFN6[63:0]
@28
functions.phy_enb_ulsch_decoding7
@24
variables.ue0_res7[63:0]
@420
variables.ue0_rssi7[63:0]
variables.ue0_MCS7[63:0]
variables.ue0_RB7[63:0]
@24
variables.ue0_ROUND7[63:0]
variables.ue0_SFN7[63:0]
@28
functions.phy_enb_prach_rx
functions.phy_eNB_dlsch_encoding
functions.phy_eNB_dlsch_modulation
functions.phy_eNB_dlsch_scrambling
functions.phy_enb_pdcch_tx
functions.phy_enb_rs_tx
functions.rrc_mac_config_req
functions.rlc_data_req
functions.udp_enb_task
[pattern_trace] 1
[pattern_trace] 0