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Remove the usage of global mem for rach rx process

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saves about 600MB of memory allocation

Move the definition of PRACH items and the PRACH list to the
defs_nr_commons.h file.

Do not re-write the entire structure in nr_schedule_rx_prach(), as it is
quite large now.
This commit is contained in:
Laurent THOMAS
2025-10-30 23:01:06 +01:00
committed by Robert Schmidt
parent fff95cc075
commit 1292cd68b7
12 changed files with 64 additions and 102 deletions
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executables/nr-gnb.c
-1
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@@ -387,7 +387,6 @@ void init_eNB_afterRU(void)
int aa = 0;
for (int ru_id = 0; ru_id < gNB->num_RU; ru_id++) {
AssertFatal(gNB->RU_list[ru_id]->common.rxdataF != NULL, "RU %d : common.rxdataF is NULL\n", gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->prach_rxsigF != NULL, "RU %d : prach_rxsigF is NULL\n", gNB->RU_list[ru_id]->idx);
for (int i = 0; i < gNB->RU_list[ru_id]->nb_rx; aa++, i++) {
LOG_I(PHY, "Attaching RU %d antenna %d to gNB antenna %d\n", gNB->RU_list[ru_id]->idx, i, aa);
for (int b = 0; b < gNB->RU_list[ru_id]->num_beams_period; b++) {
executables/nr-ru.c
+1 -2
View File
@@ -1216,8 +1216,7 @@ void *ru_thread(void *param)
prach_item_t *p = find_nr_prach(&gNB->prach_list, proc->frame_rx, proc->tti_rx, SEARCH_EXIST);
if (p) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_RU_PRACH_RX, 1 );
// this fills ru->prach_rxsigF for processing by gNB
p->rxsigF = (c16_t ***)ru->prach_rxsigF;
// need to extract RACH data for lqter processing by rx_nr_prach()
rx_nr_prach_ru(p, ru->common.rxdata, ru->nr_frame_parms, ru->N_TA_offset);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_RU_PRACH_RX, 0);
} // end if (prach_id >= 0)