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fix: patch to fix prach num of ports

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Co-authored-by: Robert Schmidt <robert.schmidt@openairinterface.org>
Signed-off-by: Sakthivel Velumani <s.velumani@northeastern.edu>
This commit is contained in:
Sakthivel Velumani
2026-04-24 18:22:48 +00:00
parent 3e6289b0cf
commit 71dada53d1
4 changed files with 8 additions and 2 deletions
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1
openair1/PHY/NR_TRANSPORT/nr_prach.c
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@@ -106,6 +106,7 @@ void nr_schedule_rx_prach(PHY_VARS_gNB *gNB, int SFN, int Slot, nfapi_nr_prach_p
bitmap,
gNB->frame_parms.nb_antennas_rx,
gNB->common_vars.beam_id);
prach.ant_start = ant_start;
}
}
bool found = spsc_q_put(&gNB->prach_ru_queue, &prach, sizeof(prach));

1
openair1/PHY/defs_gNB.h
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@@ -41,6 +41,7 @@ typedef struct {
int restricted_set;
int numerology_index;
int nb_rx;
int ant_start;
c16_t (*Xu)[839];
time_stats_t *rx_prach;
c16_t (*prach_buf)[NUMBER_OF_NR_RU_PRACH_OCCASIONS_MAX][NR_PRACH_SEQ_LEN_L];

6
radio/fhi_72/oaioran.c
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@@ -369,6 +369,8 @@ int xran_fh_rx_prach_read_slot(PHY_VARS_gNB *gNB, ru_info_t *ru, int *frame, int
); // `p.slot` = slot in which PRACH is scheduled
if (is_prach_slot) {
ru->prach_buf = p.prach_buf;
ru->nb_prach_rx = p.nb_rx;
ru->start_prach_rx = p.ant_start;
} else {
LOG_W(HW, "[%d.%d] Expected PRACH reception of scheduled slot %d\n", *frame, *slot, p.slot);
}
@@ -408,13 +410,13 @@ int xran_fh_rx_prach_read_slot(PHY_VARS_gNB *gNB, ru_info_t *ru, int *frame, int
int nb_rx_per_ru = ru->nb_rx / fh_init->xran_ports;
for (uint16_t cc_id = 0; cc_id < 1 /*nSectorNum*/; cc_id++) { // OAI does not support multiple CC yet.
for (int aa = 0; aa < ru->nb_rx; aa++) {
for (int aa = ru->start_prach_rx; aa < ru->start_prach_rx + ru->nb_prach_rx; aa++) {
for (sym_idx = prach_start_sym; sym_idx < prach_end_sym; sym_idx++) {
int16_t *dst, *src;
int idx = 0;
oran_buf_list_t *bufs = get_xran_buffers(aa / nb_rx_per_ru);
// hardcoded to use only first prach occasion
dst = (int16_t *)ru->prach_buf[aa][0];
dst = (int16_t *)ru->prach_buf[aa - ru->start_prach_rx][0];
#if defined K_RELEASE
struct xran_prb_map * pPrbMap = (struct xran_prb_map *)bufs->prachdstdecomp[aa % nb_rx_per_ru][tti % XRAN_N_FE_BUF_LEN].pBuffers->pData;
struct xran_rx_packet_ctl *p_rx_packet_ctl = &pPrbMap->sFrontHaulRxPacketCtrl[sym_idx];

2
radio/fhi_72/oran_isolate.h
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@@ -35,6 +35,8 @@ typedef struct ru_info_s {
// Needed for Prach
c16_t (*prach_buf)[NUMBER_OF_NR_RU_PRACH_OCCASIONS_MAX][NR_PRACH_SEQ_LEN_L];
int nb_prach_rx;
int start_prach_rx;
} ru_info_t;
void print_fhi_counters(ru_info_t *ru, const int frame, const int slot);