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testing with 20 and 50 MHz 2x2 on Jaguar. Adding simple documentation in ethernet.md file.

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This commit is contained in:
Raymond Knopp
2022-08-03 17:15:49 +02:00
parent 745ef122b8
commit afed0cec34
5 changed files with 142 additions and 12 deletions
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executables/nr-ru.c
+25 -5
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@@ -34,6 +34,7 @@
#include "common/utils/assertions.h"
#include "common/utils/system.h"
#include "common/ran_context.h"
#include "rt_profiling.h"
#include "../../ARCH/COMMON/common_lib.h"
#include "../../ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
@@ -1221,7 +1222,13 @@ void ru_tx_func(void *param) {
int slot_tx = info->slot_tx;
int print_frame = 8;
char filename[40];
// note that this will break for 60/120 kHz, to be handled
int absslot_tx = info->timestamp_tx/fp->get_samples_per_slot(slot_tx,fp);
int absslot_rx = absslot_tx-ru->sl_ahead;
int rt_prof_idx = absslot_rx % RT_PROF_DEPTH;
clock_gettime(CLOCK_MONOTONIC,&ru->rt_ru_profiling.start_RU_TX[rt_prof_idx]);
// do TX front-end processing if needed (precoding and/or IDFTs)
if (ru->feptx_prec) ru->feptx_prec(ru,frame_tx,slot_tx);
@@ -1264,6 +1271,11 @@ void ru_tx_func(void *param) {
}//for (i=0; i<ru->nb_tx; i++)
}//if(frame_tx == print_frame)
}//else emulate_rf
clock_gettime(CLOCK_MONOTONIC,&ru->rt_ru_profiling.return_RU_TX[rt_prof_idx]);
struct timespec *t0=&ru->rt_ru_profiling.start_RU_TX[rt_prof_idx];
struct timespec *t1=&ru->rt_ru_profiling.return_RU_TX[rt_prof_idx];
LOG_D(PHY,"rt_prof_idx %d : RU_TX time %d\n",rt_prof_idx,(int)(1e9 * (t1->tv_sec - t0->tv_sec) + (t1->tv_nsec-t0->tv_nsec)));
}
void *ru_thread( void *param ) {
@@ -1424,6 +1436,9 @@ void *ru_thread( void *param ) {
proc->timestamp_tx += fp->get_samples_per_slot((sl+slidx)%fp->slots_per_frame,fp);
proc->frame_tx = (proc->tti_rx > (fp->slots_per_frame-1-(ru->sl_ahead))) ? (proc->frame_rx+1)&1023 : proc->frame_rx;
proc->tti_tx = (proc->tti_rx + ru->sl_ahead)%fp->slots_per_frame;
int absslot_rx = proc->timestamp_rx/fp->get_samples_per_slot(proc->tti_rx,fp);
int rt_prof_idx = absslot_rx % RT_PROF_DEPTH;
clock_gettime(CLOCK_MONOTONIC,&ru->rt_ru_profiling.return_RU_south_in[rt_prof_idx]);
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,
@@ -1439,6 +1454,7 @@ void *ru_thread( void *param ) {
if (slot_type == NR_UPLINK_SLOT || slot_type == NR_MIXED_SLOT) {
if (ru->feprx) {
ru->feprx(ru,proc->tti_rx);
clock_gettime(CLOCK_MONOTONIC,&ru->rt_ru_profiling.return_RU_feprx[rt_prof_idx]);
//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);
if (IS_SOFTMODEM_DOSCOPE && RC.gNB[0]->scopeData)
@@ -1464,14 +1480,18 @@ void *ru_thread( void *param ) {
prach_oc,
proc->frame_rx,proc->tti_rx);
}
clock_gettime(CLOCK_MONOTONIC,&ru->rt_ru_profiling.return_RU_prachrx[rt_prof_idx]);
free_nr_ru_prach_entry(ru,prach_id);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_RU_PRACH_RX, 0 );
}
} // end if (prach_id > 0)
} // end if (ru->feprx)
else {
memset(&ru->rt_ru_profiling.return_RU_feprx[rt_prof_idx],0,sizeof(struct timespec));
memset(&ru->rt_ru_profiling.return_RU_prachrx[rt_prof_idx],0,sizeof(struct timespec));
}
}
} // end if (slot_type == NR_UPLINK_SLOT || slot_type == NR_MIXED_SLOT) {
// At this point, all information for subframe has been received on FH interface
// At this point, all RX information for slot has been received on FH interface and processed by RU
res = pullTpool(gNB->resp_L1, gNB->threadPool);
syncMsg = (processingData_L1_t *)NotifiedFifoData(res);
syncMsg->gNB = gNB;
@@ -1483,7 +1503,7 @@ void *ru_thread( void *param ) {
res->key = proc->tti_rx;
pushTpool(gNB->threadPool, res);
}
} //end while (!oai_exit)
printf( "Exiting ru_thread \n");