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openairinterface5g/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c
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/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.0 (the "License"); you may not use this file
* except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.openairinterface.org/?page_id=698
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*-------------------------------------------------------------------------------
* For more information about the OpenAirInterface (OAI) Software Alliance:
* contact@openairinterface.org
*/
/*! \file PHY/NR_TRANSPORT/nr_ulsch_decoding.c
* \brief Top-level routines for decoding LDPC (ULSCH) transport channels from 38.212, V15.4.0 2018-12
* \author Ahmed Hussein
* \date 2019
* \version 0.1
* \company Fraunhofer IIS
* \email: ahmed.hussein@iis.fraunhofer.de
* \note
* \warning
*/
// [from gNB coding]
#include "PHY/defs_gNB.h"
#include "PHY/CODING/coding_extern.h"
#include "PHY/CODING/coding_defs.h"
#include "PHY/CODING/lte_interleaver_inline.h"
#include "PHY/CODING/nrLDPC_extern.h"
#include "PHY/NR_TRANSPORT/nr_transport_common_proto.h"
#include "PHY/NR_TRANSPORT/nr_transport_proto.h"
#include "PHY/NR_TRANSPORT/nr_ulsch.h"
#include "PHY/NR_TRANSPORT/nr_dlsch.h"
#include "SCHED_NR/sched_nr.h"
#include "SCHED_NR/fapi_nr_l1.h"
#include "defs.h"
#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 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;
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
if (N_RB_UL != 273) {
a_segments = a_segments*N_RB_UL;
a_segments = a_segments/273 +1;
}
if (ulsch->harq_process) {
if (ulsch->harq_process->b) {
free_and_zero(ulsch->harq_process->b);
ulsch->harq_process->b = NULL;
}
for (int r = 0; r < a_segments; r++) {
free_and_zero(ulsch->harq_process->c[r]);
free_and_zero(ulsch->harq_process->d[r]);
}
free_and_zero(ulsch->harq_process->c);
free_and_zero(ulsch->harq_process->d);
free_and_zero(ulsch->harq_process->d_to_be_cleared);
free_and_zero(ulsch->harq_process);
ulsch->harq_process = NULL;
}
}
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
if (N_RB_UL != 273) {
a_segments = a_segments*N_RB_UL;
a_segments = a_segments/273 +1;
}
uint32_t ulsch_bytes = a_segments * 1056; // allocated bytes per segment
NR_gNB_ULSCH_t ulsch = {0};
ulsch.max_ldpc_iterations = max_ldpc_iterations;
ulsch.harq_pid = -1;
ulsch.active = false;
NR_UL_gNB_HARQ_t *harq = malloc16_clear(sizeof(*harq));
init_abort(&harq->abort_decode);
ulsch.harq_process = harq;
harq->b = malloc16_clear(ulsch_bytes * sizeof(*harq->b));
harq->c = malloc16_clear(a_segments * sizeof(*harq->c));
harq->d = malloc16_clear(a_segments * sizeof(*harq->d));
for (int r = 0; r < a_segments; r++) {
harq->c[r] = malloc16_clear(8448 * sizeof(*harq->c[r]));
harq->d[r] = malloc16_clear(68 * 384 * sizeof(*harq->d[r]));
}
harq->d_to_be_cleared = calloc(a_segments, sizeof(bool));
AssertFatal(harq->d_to_be_cleared != NULL, "out of memory\n");
return(ulsch);
}
static void nr_processULSegment(void *arg)
{
ldpcDecode_t *rdata = (ldpcDecode_t *)arg;
PHY_VARS_gNB *phy_vars_gNB = rdata->gNB;
NR_UL_gNB_HARQ_t *ulsch_harq = rdata->ulsch_harq;
t_nrLDPC_dec_params *p_decoderParms = &rdata->decoderParms;
int length_dec;
int Kr;
int Kr_bytes;
int K_bits_F;
uint8_t crc_type;
int i;
int j;
int r = rdata->segment_r;
int A = rdata->A;
int E = rdata->E;
int Qm = rdata->Qm;
int rv_index = rdata->rv_index;
int r_offset = rdata->r_offset;
uint8_t kc = rdata->Kc;
short *ulsch_llr = rdata->ulsch_llr;
int max_ldpc_iterations = p_decoderParms->numMaxIter;
int8_t llrProcBuf[OAI_UL_LDPC_MAX_NUM_LLR] __attribute__((aligned(32)));
int16_t z[68 * 384 + 16] __attribute__((aligned(16)));
int8_t l[68 * 384 + 16] __attribute__((aligned(16)));
__m128i *pv = (__m128i *)&z;
__m128i *pl = (__m128i *)&l;
Kr = ulsch_harq->K;
Kr_bytes = Kr >> 3;
K_bits_F = Kr - ulsch_harq->F;
t_nrLDPC_time_stats procTime = {0};
t_nrLDPC_time_stats *p_procTime = &procTime;
// start_meas(&phy_vars_gNB->ulsch_deinterleaving_stats);
////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////// nr_deinterleaving_ldpc ///////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////// ulsch_llr =====> ulsch_harq->e //////////////////////////////
/// code blocks after bit selection in rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1)
int16_t harq_e[E];
nr_deinterleaving_ldpc(E, Qm, harq_e, ulsch_llr + r_offset);
// for (int i =0; i<16; i++)
// printf("rx output deinterleaving w[%d]= %d r_offset %d\n", i,ulsch_harq->w[r][i], r_offset);
stop_meas(&phy_vars_gNB->ulsch_deinterleaving_stats);
//////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////// nr_rate_matching_ldpc_rx ////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
///////////////////////// ulsch_harq->e =====> ulsch_harq->d /////////////////////////
// start_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
if (nr_rate_matching_ldpc_rx(rdata->tbslbrm,
p_decoderParms->BG,
p_decoderParms->Z,
ulsch_harq->d[r],
harq_e,
ulsch_harq->C,
rv_index,
ulsch_harq->d_to_be_cleared[r],
E,
ulsch_harq->F,
Kr - ulsch_harq->F - 2 * (p_decoderParms->Z))
== -1) {
stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
LOG_E(PHY, "ulsch_decoding.c: Problem in rate_matching\n");
rdata->decodeIterations = max_ldpc_iterations + 1;
return;
} else {
stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats);
}
ulsch_harq->d_to_be_cleared[r] = false;
memset(ulsch_harq->c[r], 0, Kr_bytes);
if (ulsch_harq->C == 1) {
if (A > 3824)
crc_type = CRC24_A;
else
crc_type = CRC16;
length_dec = ulsch_harq->B;
} else {
crc_type = CRC24_B;
length_dec = (ulsch_harq->B + 24 * ulsch_harq->C) / ulsch_harq->C;
}
// start_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats);
// set first 2*Z_c bits to zeros
memset(&z[0], 0, 2 * ulsch_harq->Z * sizeof(int16_t));
// set Filler bits
memset((&z[0] + K_bits_F), 127, ulsch_harq->F * sizeof(int16_t));
// Move coded bits before filler bits
memcpy((&z[0] + 2 * ulsch_harq->Z), ulsch_harq->d[r], (K_bits_F - 2 * ulsch_harq->Z) * sizeof(int16_t));
// skip filler bits
memcpy((&z[0] + Kr), ulsch_harq->d[r] + (Kr - 2 * ulsch_harq->Z), (kc * ulsch_harq->Z - Kr) * sizeof(int16_t));
// Saturate coded bits before decoding into 8 bits values
for (i = 0, j = 0; j < ((kc * ulsch_harq->Z) >> 4) + 1; i += 2, j++) {
pl[j] = _mm_packs_epi16(pv[i], pv[i + 1]);
}
//////////////////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
///////////////////////////////////// nrLDPC_decoder /////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////////////////
////////////////////////////////// pl =====> llrProcBuf //////////////////////////////////
p_decoderParms->block_length = length_dec;
rdata->decodeIterations = nrLDPC_decoder(p_decoderParms, (int8_t *)&pl[0], llrProcBuf, p_procTime, &ulsch_harq->abort_decode);
if (rdata->decodeIterations == p_decoderParms->numMaxIter+1 ) {
// We have not decoded succesfully and we have not aborted
// We check the CRC, itf it is ok, let's assume the payload is correctly decoded
// (so the remaining errors are only in the redundancy (parity) bits)
if (check_crc((uint8_t *)llrProcBuf, length_dec, ulsch_harq->F, crc_type)) {
PRINT_CRC_CHECK(LOG_I(PHY,"Segment %d CRC OK, iterations %d/%d\n",r,rdata->decodeIterations,max_ldpc_iterations));
rdata->decodeIterations = p_decoderParms->numMaxIter;
} else {
PRINT_CRC_CHECK(LOG_I(PHY,"CRC NOK\n"));
rdata->decodeIterations = max_ldpc_iterations + 1;
}
}
if (rdata->decodeIterations <= p_decoderParms->numMaxIter)
memcpy(ulsch_harq->c[r],llrProcBuf, Kr>>3);
//stop_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats);
}
int nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB,
uint8_t ULSCH_id,
short *ulsch_llr,
NR_DL_FRAME_PARMS *frame_parms,
nfapi_nr_pusch_pdu_t *pusch_pdu,
uint32_t frame,
uint8_t nr_tti_rx,
uint8_t harq_pid,
uint32_t G)
{
NR_gNB_ULSCH_t *ulsch = &phy_vars_gNB->ulsch[ULSCH_id];
NR_gNB_PUSCH *pusch = &phy_vars_gNB->pusch_vars[ULSCH_id];
NR_UL_gNB_HARQ_t *harq_process = ulsch->harq_process;
if (!harq_process) {
LOG_E(PHY,"ulsch_decoding.c: NULL harq_process pointer\n");
return -1;
}
uint8_t dtx_det = 0;
int Kr;
int Kr_bytes;
harq_process->processedSegments = 0;
// ------------------------------------------------------------------
uint16_t nb_rb = pusch_pdu->rb_size;
uint8_t Qm = pusch_pdu->qam_mod_order;
uint8_t mcs = pusch_pdu->mcs_index;
uint8_t n_layers = pusch_pdu->nrOfLayers;
// ------------------------------------------------------------------
if (!ulsch_llr) {
LOG_E(PHY,"ulsch_decoding.c: NULL ulsch_llr pointer\n");
return -1;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING,1);
harq_process->TBS = pusch_pdu->pusch_data.tb_size;
dtx_det = 0;
uint32_t A = (harq_process->TBS) << 3;
// target_code_rate is in 0.1 units
float Coderate = (float) pusch_pdu->target_code_rate / 10240.0f;
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",
harq_pid, ulsch->rnti, A, G, mcs, n_layers, nb_rb, Qm, Coderate, pusch_pdu->pusch_data.rv_index, harq_process->round, harq_process->harq_to_be_cleared);
t_nrLDPC_dec_params decParams = {0};
decParams.BG = pusch_pdu->maintenance_parms_v3.ldpcBaseGraph;
int kc;
if (decParams.BG == 2) {
kc = 52;
} else {
kc = 68;
}
NR_gNB_PHY_STATS_t *stats = get_phy_stats(phy_vars_gNB, ulsch->rnti);
if (stats) {
stats->frame = frame;
stats->ulsch_stats.round_trials[harq_process->round]++;
for (int aarx = 0; aarx < frame_parms->nb_antennas_rx; aarx++) {
stats->ulsch_stats.power[aarx] = dB_fixed_x10(pusch->ulsch_power[aarx]);
stats->ulsch_stats.noise_power[aarx] = dB_fixed_x10(pusch->ulsch_noise_power[aarx]);
}
if (!harq_process->harq_to_be_cleared) {
stats->ulsch_stats.current_Qm = Qm;
stats->ulsch_stats.current_RI = n_layers;
stats->ulsch_stats.total_bytes_tx += harq_process->TBS;
}
}
if (A > 3824)
harq_process->B = A+24;
else
harq_process->B = A+16;
// [hna] Perform nr_segmenation with input and output set to NULL to calculate only (B, C, K, Z, F)
nr_segmentation(NULL,
NULL,
harq_process->B,
&harq_process->C,
&harq_process->K,
&harq_process->Z, // [hna] Z is Zc
&harq_process->F,
decParams.BG);
if (harq_process->C>MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER*n_layers) {
LOG_E(PHY,"nr_segmentation.c: too many segments %d, B %d\n",harq_process->C,harq_process->B);
return(-1);
}
#ifdef DEBUG_ULSCH_DECODING
printf("ulsch decoding nr segmentation Z %d\n", harq_process->Z);
if (!frame%100)
printf("K %d C %d Z %d \n", harq_process->K, harq_process->C, harq_process->Z);
#endif
decParams.Z = harq_process->Z;
decParams.numMaxIter = ulsch->max_ldpc_iterations;
decParams.outMode = 0;
uint32_t r_offset = 0;
uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*n_layers; //number of segments to be allocated
if (nb_rb != 273) {
a_segments = a_segments*nb_rb;
a_segments = a_segments/273 +1;
}
if (harq_process->C > a_segments) {
LOG_E(PHY,"Illegal harq_process->C %d > %d\n",harq_process->C,a_segments);
return -1;
}
#ifdef DEBUG_ULSCH_DECODING
printf("Segmentation: C %d, K %d\n",harq_process->C,harq_process->K);
#endif
if (harq_process->harq_to_be_cleared) {
for (int r = 0; r < harq_process->C; r++)
harq_process->d_to_be_cleared[r] = true;
harq_process->harq_to_be_cleared = false;
}
Kr = harq_process->K;
Kr_bytes = Kr >> 3;
uint32_t offset = 0;
if (phy_vars_gNB->ldpc_offload_flag) {
int8_t llrProcBuf[22 * 384];
// if (dtx_det==0) {
int16_t z_ol[68 * 384];
int8_t l_ol[68 * 384];
int16_t z[68 * 384 + 16] __attribute__((aligned(16)));
int8_t l[68 * 384 + 16] __attribute__((aligned(16)));
__m128i *pv = (__m128i *)&z;
__m128i *pl = (__m128i *)&l;
int crc_type;
int length_dec;
if (harq_process->C == 1) {
if (A > 3824)
crc_type = CRC24_A;
else
crc_type = CRC16;
length_dec = harq_process->B;
} else {
crc_type = CRC24_B;
length_dec = (harq_process->B + 24 * harq_process->C) / harq_process->C;
}
int decodeIterations = 2;
for (int r = 0; r < harq_process->C; r++) {
int E = nr_get_E(G, harq_process->C, Qm, n_layers, r);
memset(harq_process->c[r], 0, Kr_bytes);
decParams.R = nr_get_R_ldpc_decoder(pusch_pdu->pusch_data.rv_index, E, decParams.BG, decParams.Z, &harq_process->llrLen, harq_process->round);
if ((dtx_det == 0) && (pusch_pdu->pusch_data.rv_index == 0)) {
// if (dtx_det==0){
if (mcs > 9) {
memcpy((&z_ol[0]), ulsch_llr + r_offset, E * sizeof(short));
__m128i *pv_ol128 = (__m128i *)&z_ol;
__m128i *pl_ol128 = (__m128i *)&l_ol;
for (int i = 0, j = 0; j < ((kc * harq_process->Z) >> 4) + 1; i += 2, j++) {
pl_ol128[j] = _mm_packs_epi16(pv_ol128[i], pv_ol128[i + 1]);
}
int ret = nrLDPC_decoder_offload(&decParams, harq_pid, ULSCH_id, r, pusch_pdu->pusch_data.rv_index, harq_process->F, E, Qm, (int8_t *)&pl_ol128[0], llrProcBuf, 1);
if (ret < 0) {
LOG_E(PHY, "ulsch_decoding.c: Problem in LDPC decoder offload\n");
decodeIterations = ulsch->max_ldpc_iterations + 1;
return -1;
}
} else {
int K_bits_F = Kr - harq_process->F;
t_nrLDPC_time_stats procTime = {0};
t_nrLDPC_time_stats *p_procTime = &procTime;
/// code blocks after bit selection in rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1)
int16_t harq_e[E];
nr_deinterleaving_ldpc(E, Qm, harq_e, ulsch_llr + r_offset);
if (nr_rate_matching_ldpc_rx(pusch_pdu->maintenance_parms_v3.tbSizeLbrmBytes,
decParams.BG,
decParams.Z,
harq_process->d[r],
harq_e,
harq_process->C,
pusch_pdu->pusch_data.rv_index,
harq_process->d_to_be_cleared[r],
E,
harq_process->F,
Kr - harq_process->F - 2 * (decParams.Z))
== -1) {
LOG_E(PHY, "ulsch_decoding.c: Problem in rate_matching\n");
decodeIterations = ulsch->max_ldpc_iterations + 1;
return -1;
}
harq_process->d_to_be_cleared[r] = false;
// set first 2*Z_c bits to zeros
memset(&z[0], 0, 2 * harq_process->Z * sizeof(int16_t));
// set Filler bits
memset((&z[0] + K_bits_F), 127, harq_process->F * sizeof(int16_t));
// Move coded bits before filler bits
memcpy((&z[0] + 2 * harq_process->Z), harq_process->d[r], (K_bits_F - 2 * harq_process->Z) * sizeof(int16_t));
// skip filler bits
memcpy((&z[0] + Kr), harq_process->d[r] + (Kr - 2 * harq_process->Z), (kc * harq_process->Z - Kr) * sizeof(int16_t));
// Saturate coded bits before decoding into 8 bits values
for (int i = 0, j = 0; j < ((kc * harq_process->Z) >> 4) + 1; i += 2, j++) {
pl[j] = _mm_packs_epi16(pv[i], pv[i + 1]);
}
decodeIterations = nrLDPC_decoder(&decParams, (int8_t *)pl, llrProcBuf, p_procTime, &harq_process->abort_decode);
}
for (int m = 0; m < Kr >> 3; m++) {
harq_process->c[r][m] = (uint8_t)llrProcBuf[m];
}
if (check_crc((uint8_t *)llrProcBuf, length_dec, harq_process->F, crc_type)) {
PRINT_CRC_CHECK(LOG_I(PHY, "Segment %d CRC OK\n", r));
decodeIterations = 2;
} else {
PRINT_CRC_CHECK(LOG_I(PHY, "segment %d CRC NOK\n", r));
decodeIterations = ulsch->max_ldpc_iterations + 1;
}
//}
r_offset += E;
/*for (int k=0;k<8;k++)
{
printf("output decoder [%d] = 0x%02x \n", k, harq_process->c[r][k]);
printf("llrprocbuf [%d] = %x adr %p\n", k, llrProcBuf[k], llrProcBuf+k);
}
*/
} else {
dtx_det = 0;
decodeIterations = ulsch->max_ldpc_iterations + 1;
}
bool decodeSuccess = (decodeIterations <= ulsch->max_ldpc_iterations);
if (decodeSuccess) {
memcpy(harq_process->b + offset, harq_process->c[r], Kr_bytes - (harq_process->F >> 3) - ((harq_process->C > 1) ? 3 : 0));
offset += (Kr_bytes - (harq_process->F >> 3) - ((harq_process->C > 1) ? 3 : 0));
harq_process->processedSegments++;
} else {
LOG_D(PHY, "uplink segment error %d/%d\n", r, harq_process->C);
LOG_D(PHY, "ULSCH %d in error\n", ULSCH_id);
break; // don't even attempt to decode other segments
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING, 0);
if (harq_process->processedSegments == harq_process->C) {
LOG_D(PHY, "[gNB %d] ULSCH: Setting ACK for slot %d TBS %d\n", phy_vars_gNB->Mod_id, ulsch->slot, harq_process->TBS);
ulsch->active = false;
harq_process->round = 0;
LOG_D(PHY, "ULSCH received ok \n");
nr_fill_indication(phy_vars_gNB, ulsch->frame, ulsch->slot, ULSCH_id, harq_pid, 0, 0);
} else {
LOG_D(PHY,
"[gNB %d] ULSCH: Setting NAK for SFN/SF %d/%d (pid %d, status %d, round %d, TBS %d)\n",
phy_vars_gNB->Mod_id,
ulsch->frame,
ulsch->slot,
harq_pid,
ulsch->active,
harq_process->round,
harq_process->TBS);
ulsch->handled = 1;
decodeIterations = ulsch->max_ldpc_iterations + 1;
LOG_D(PHY, "ULSCH %d in error\n", ULSCH_id);
nr_fill_indication(phy_vars_gNB, ulsch->frame, ulsch->slot, ULSCH_id, harq_pid, 1, 0);
}
ulsch->last_iteration_cnt = decodeIterations;
}
else {
dtx_det = 0;
set_abort(&harq_process->abort_decode, false);
for (int r = 0; r < harq_process->C; r++) {
int E = nr_get_E(G, harq_process->C, Qm, n_layers, r);
union ldpcReqUnion id = {.s = {ulsch->rnti, frame, nr_tti_rx, 0, 0}};
notifiedFIFO_elt_t *req = newNotifiedFIFO_elt(sizeof(ldpcDecode_t), id.p, &phy_vars_gNB->respDecode, &nr_processULSegment);
ldpcDecode_t *rdata = (ldpcDecode_t *)NotifiedFifoData(req);
decParams.R = nr_get_R_ldpc_decoder(pusch_pdu->pusch_data.rv_index, E, decParams.BG, decParams.Z, &harq_process->llrLen, harq_process->round);
rdata->gNB = phy_vars_gNB;
rdata->ulsch_harq = harq_process;
rdata->decoderParms = decParams;
rdata->ulsch_llr = ulsch_llr;
rdata->Kc = kc;
rdata->harq_pid = harq_pid;
rdata->segment_r = r;
rdata->nbSegments = harq_process->C;
rdata->E = E;
rdata->A = A;
rdata->Qm = Qm;
rdata->r_offset = r_offset;
rdata->Kr_bytes = Kr_bytes;
rdata->rv_index = pusch_pdu->pusch_data.rv_index;
rdata->offset = offset;
rdata->ulsch = ulsch;
rdata->ulsch_id = ULSCH_id;
rdata->tbslbrm = pusch_pdu->maintenance_parms_v3.tbSizeLbrmBytes;
pushTpool(&phy_vars_gNB->threadPool, req);
LOG_D(PHY, "Added a block to decode, in pipe: %d\n", r);
r_offset += E;
offset += (Kr_bytes - (harq_process->F >> 3) - ((harq_process->C > 1) ? 3 : 0));
//////////////////////////////////////////////////////////////////////////////////////////
}
}
return harq_process->C;
}
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