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Commit a5215ba0 authored by Romain Beurdouche's avatar Romain Beurdouche
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fix(nrLDPC_coding): Apply clang-format to openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c

parent 43840219
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openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
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......@@ -20,9 +20,8 @@
*/
/*! \file PHY/NR_TRANSPORT/nr_ulsch_decoding_slot.c
* \brief Top-level routines for decoding LDPC (ULSCH) transport channels from 38.212, V15.4.0 2018-12
*/
* \brief Top-level routines for decoding LDPC (ULSCH) transport channels from 38.212, V15.4.0 2018-12
*/
// [from gNB coding]
#include "PHY/defs_gNB.h"
......@@ -41,27 +40,26 @@
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "common/utils/LOG/log.h"
#include <syscall.h>
//#define DEBUG_ULSCH_DECODING
//#define gNB_DEBUG_TRACE
// #define DEBUG_ULSCH_DECODING
// #define gNB_DEBUG_TRACE
#define OAI_UL_LDPC_MAX_NUM_LLR 27000//26112 // NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX = 68*384
//#define DEBUG_CRC
#define OAI_UL_LDPC_MAX_NUM_LLR 27000 // 26112 // NR_LDPC_NCOL_BG1*NR_LDPC_ZMAX = 68*384
// #define DEBUG_CRC
#ifdef DEBUG_CRC
#define PRINT_CRC_CHECK(a) a
#else
#define PRINT_CRC_CHECK(a)
#endif
//extern double cpuf;
// extern double cpuf;
void free_gNB_ulsch(NR_gNB_ULSCH_t *ulsch, uint16_t N_RB_UL)
{
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*NR_MAX_NB_LAYERS; //number of segments to be allocated
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER * NR_MAX_NB_LAYERS; // number of segments to be allocated
if (N_RB_UL != 273) {
a_segments = a_segments*N_RB_UL;
a_segments = a_segments/273 +1;
a_segments = a_segments * N_RB_UL;
a_segments = a_segments / 273 + 1;
}
if (ulsch->harq_process) {
......@@ -83,12 +81,11 @@ void free_gNB_ulsch(NR_gNB_ULSCH_t *ulsch, uint16_t N_RB_UL)
NR_gNB_ULSCH_t new_gNB_ulsch(uint8_t max_ldpc_iterations, uint16_t N_RB_UL)
{
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*NR_MAX_NB_LAYERS; //number of segments to be allocated
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER * NR_MAX_NB_LAYERS; // number of segments to be allocated
if (N_RB_UL != 273) {
a_segments = a_segments*N_RB_UL;
a_segments = a_segments/273 +1;
a_segments = a_segments * N_RB_UL;
a_segments = a_segments / 273 + 1;
}
uint32_t ulsch_bytes = a_segments * 1056; // allocated bytes per segment
......@@ -110,7 +107,7 @@ NR_gNB_ULSCH_t new_gNB_ulsch(uint8_t max_ldpc_iterations, uint16_t N_RB_UL)
}
harq->d_to_be_cleared = calloc(a_segments, sizeof(bool));
AssertFatal(harq->d_to_be_cleared != NULL, "out of memory\n");
return(ulsch);
return (ulsch);
}
int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
......@@ -121,18 +118,15 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint8_t *ULSCH_ids,
int nb_pusch)
{
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING, 1);
nrLDPC_TB_decoding_parameters_t TBs[nb_pusch];
memset(TBs, 0, sizeof(TBs));
nrLDPC_slot_decoding_parameters_t slot_parameters = {
.frame = frame,
.slot = nr_tti_rx,
.nb_TBs = nb_pusch,
.threadPool = &phy_vars_gNB->threadPool,
.TBs = TBs
};
nrLDPC_slot_decoding_parameters_t slot_parameters = {.frame = frame,
.slot = nr_tti_rx,
.nb_TBs = nb_pusch,
.threadPool = &phy_vars_gNB->threadPool,
.TBs = TBs};
int max_num_segments = 0;
......@@ -154,17 +148,17 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
// The harq_pid is not unique among the active HARQ processes in the instance so we use ULSCH_id instead
TB_parameters->harq_unique_pid = ULSCH_id;
// ------------------------------------------------------------------
TB_parameters->nb_rb = pusch_pdu->rb_size;
TB_parameters->Qm = pusch_pdu->qam_mod_order;
TB_parameters->mcs = pusch_pdu->mcs_index;
TB_parameters->nb_layers = pusch_pdu->nrOfLayers;
// ------------------------------------------------------------------
TB_parameters->processedSegments = &harq_process->processedSegments;
harq_process->TBS = pusch_pdu->pusch_data.tb_size;
TB_parameters->BG = pusch_pdu->maintenance_parms_v3.ldpcBaseGraph;
TB_parameters->A = (harq_process->TBS) << 3;
NR_gNB_PHY_STATS_t *stats = get_phy_stats(phy_vars_gNB, ulsch->rnti);
......@@ -181,7 +175,7 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
stats->ulsch_stats.total_bytes_tx += harq_process->TBS;
}
}
uint8_t harq_pid = ulsch->harq_pid;
LOG_D(PHY,
"ULSCH Decoding, harq_pid %d rnti %x TBS %d G %d mcs %d Nl %d nb_rb %d, Qm %d, Coderate %f RV %d round %d new RX %d\n",
......@@ -197,7 +191,7 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
pusch_pdu->pusch_data.rv_index,
harq_process->round,
harq_process->harq_to_be_cleared);
// [hna] Perform nr_segmenation with input and output set to NULL to calculate only (C, K, Z, F)
nr_segmentation(NULL,
NULL,
......@@ -211,40 +205,34 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
harq_process->K = TB_parameters->K;
harq_process->Z = TB_parameters->Z;
harq_process->F = TB_parameters->F;
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER * TB_parameters->nb_layers; // number of segments to be allocated
if (TB_parameters->C > a_segments) {
LOG_E(PHY, "nr_segmentation.c: too many segments %d, A %d\n", harq_process->C, TB_parameters->A);
return(-1);
return (-1);
}
if (TB_parameters->nb_rb != 273) {
a_segments = a_segments*TB_parameters->nb_rb;
a_segments = a_segments/273 +1;
a_segments = a_segments * TB_parameters->nb_rb;
a_segments = a_segments / 273 + 1;
}
if (TB_parameters->C > a_segments) {
LOG_E(PHY,"Illegal harq_process->C %d > %d\n",harq_process->C,a_segments);
LOG_E(PHY, "Illegal harq_process->C %d > %d\n", harq_process->C, a_segments);
return -1;
}
max_num_segments = max(max_num_segments, TB_parameters->C);
#ifdef DEBUG_ULSCH_DECODING
printf("ulsch decoding nr segmentation Z %d\n", TB_parameters->Z);
if (!frame % 100)
printf("K %d C %d Z %d \n",
TB_parameters->K,
TB_parameters->C,
TB_parameters->Z);
printf("Segmentation: C %d, K %d\n",
TB_parameters->C,
TB_parameters->K);
printf("K %d C %d Z %d \n", TB_parameters->K, TB_parameters->C, TB_parameters->Z);
printf("Segmentation: C %d, K %d\n", TB_parameters->C, TB_parameters->K);
#endif
TB_parameters->max_ldpc_iterations = ulsch->max_ldpc_iterations;
TB_parameters->rv_index = pusch_pdu->pusch_data.rv_index;
TB_parameters->tbslbrm = pusch_pdu->maintenance_parms_v3.tbSizeLbrmBytes;
TB_parameters->abort_decode = &harq_process->abort_decode;
set_abort(&harq_process->abort_decode, false);
}
nrLDPC_segment_decoding_parameters_t segments[nb_pusch][max_num_segments];
......@@ -267,11 +255,7 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint32_t r_offset = 0;
for (int r = 0; r < TB_parameters->C; r++) {
nrLDPC_segment_decoding_parameters_t *segment_parameters = &TB_parameters->segments[r];
segment_parameters->E = nr_get_E(TB_parameters->G,
TB_parameters->C,
TB_parameters->Qm,
TB_parameters->nb_layers,
r);
segment_parameters->E = nr_get_E(TB_parameters->G, TB_parameters->C, TB_parameters->Qm, TB_parameters->nb_layers, r);
segment_parameters->R = nr_get_R_ldpc_decoder(TB_parameters->rv_index,
segment_parameters->E,
TB_parameters->BG,
......@@ -296,7 +280,6 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
}
harq_process->harq_to_be_cleared = false;
}
}
int ret_decoder = phy_vars_gNB->nrLDPC_coding_interface.nrLDPC_coding_decoder(&slot_parameters);
......@@ -314,7 +297,9 @@ int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
nrLDPC_segment_decoding_parameters_t nrLDPC_segment_decoding_parameters = TB_parameters.segments[r];
// Copy c to b in case of decoding success
if (nrLDPC_segment_decoding_parameters.decodeSuccess) {
memcpy(harq_process->b + offset, harq_process->c[r], (harq_process->K >> 3) - (harq_process->F >> 3) - ((harq_process->C > 1) ? 3 : 0));
memcpy(harq_process->b + offset,
harq_process->c[r],
(harq_process->K >> 3) - (harq_process->F >> 3) - ((harq_process->C > 1) ? 3 : 0));
} else {
LOG_D(PHY, "uplink segment error %d/%d\n", r, harq_process->C);
LOG_D(PHY, "ULSCH %d in error\n", ULSCH_id);
......
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