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Commit 366715f2 authored by Jaroslava Fiedlerova's avatar Jaroslava Fiedlerova
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Merge remote-tracking branch 'origin/t2-offload-mr3' into integration_2024_w04

parents 679a0084 b166286a
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Showing with 126 additions and 213 deletions
doc/LDPC_T2_OFFLOAD_SETUP.md
View file @ 366715f2
...@@ -62,7 +62,7 @@ sudo python3 ~/dpdk-stable/usertools/dpdk-devbind.py --bind=vfio-pci 41:00.0 ...@@ -62,7 +62,7 @@ sudo python3 ~/dpdk-stable/usertools/dpdk-devbind.py --bind=vfio-pci 41:00.0
Replace PCI address of the card *41:00.0* by address detected by *lspci | grep "Xilinx"* command Replace PCI address of the card *41:00.0* by address detected by *lspci | grep "Xilinx"* command
- hugepages setup (10 x 1GB hugepages) - hugepages setup (10 x 1GB hugepages)
``` ```
sudo python3 ~/dpdk-stable/usertools/dpdk-hugepages.py -p 1G --setup 10G` sudo python3 ~/dpdk-stable/usertools/dpdk-hugepages.py -p 1G --setup 10G
``` ```
*Note: device binding and hugepages setup has to be done after every reboot of *Note: device binding and hugepages setup has to be done after every reboot of
...@@ -144,7 +144,6 @@ sudo ./nr-softmodem --sa -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa ...@@ -144,7 +144,6 @@ sudo ./nr-softmodem --sa -O ../../../targets/PROJECTS/GENERIC-NR-5GC/CONF/gnb.sa
# Limitations # Limitations
## AMD Xilinx T2 card ## AMD Xilinx T2 card
- offload of the LDPC encoding implemented for MCS > 2, OAI CPU encoder is used for MCS =< 2
- functionality of the LDPC encoding and decoding offload verified in OTA SISO setup with USRP N310 and Quectel RM500Q, blocking of the card reported for MIMO setup (2 layers) - functionality of the LDPC encoding and decoding offload verified in OTA SISO setup with USRP N310 and Quectel RM500Q, blocking of the card reported for MIMO setup (2 layers)
*Note: AMD Xilinx T1 Telco card is not supported anymore.* *Note: AMD Xilinx T1 Telco card is not supported anymore.*
openair1/PHY/CODING/nrLDPC_decoder/nrLDPC_decoder_offload.c
View file @ 366715f2
...@@ -568,14 +568,14 @@ static void set_ldpc_enc_op(struct rte_bbdev_enc_op **ops, ...@@ -568,14 +568,14 @@ static void set_ldpc_enc_op(struct rte_bbdev_enc_op **ops,
{ {
// struct rte_bbdev_op_ldpc_enc *ldpc_enc = &ref_op->ldpc_enc; // struct rte_bbdev_op_ldpc_enc *ldpc_enc = &ref_op->ldpc_enc;
for (int i = 0; i < n; ++i) { for (int i = 0; i < n; ++i) {
ops[i]->ldpc_enc.cb_params.e = 3 * p_offloadParams->E; // Fix mee: what is the correct size for "e" ??? ops[i]->ldpc_enc.cb_params.e = p_offloadParams->E;
ops[i]->ldpc_enc.basegraph = p_offloadParams->BG; ops[i]->ldpc_enc.basegraph = p_offloadParams->BG;
ops[i]->ldpc_enc.z_c = p_offloadParams->Z; ops[i]->ldpc_enc.z_c = p_offloadParams->Z;
ops[i]->ldpc_enc.q_m = p_offloadParams->Qm; ops[i]->ldpc_enc.q_m = p_offloadParams->Qm;
ops[i]->ldpc_enc.n_filler = p_offloadParams->F; ops[i]->ldpc_enc.n_filler = p_offloadParams->F;
ops[i]->ldpc_enc.n_cb = p_offloadParams->n_cb; ops[i]->ldpc_enc.n_cb = p_offloadParams->n_cb;
ops[i]->ldpc_enc.rv_index = p_offloadParams->rv; ops[i]->ldpc_enc.rv_index = p_offloadParams->rv;
ops[i]->ldpc_enc.op_flags = RTE_BBDEV_LDPC_INTERLEAVER_BYPASS; // RTE_BBDEV_LDPC_RATE_MATCH; ops[i]->ldpc_enc.op_flags = RTE_BBDEV_LDPC_RATE_MATCH;
ops[i]->ldpc_enc.code_block_mode = 1; ops[i]->ldpc_enc.code_block_mode = 1;
ops[i]->ldpc_enc.output = outputs[start_idx + i]; ops[i]->ldpc_enc.output = outputs[start_idx + i];
ops[i]->ldpc_enc.input = inputs[start_idx + i]; ops[i]->ldpc_enc.input = inputs[start_idx + i];
...@@ -613,7 +613,7 @@ static int retrieve_ldpc_enc_op(struct rte_bbdev_enc_op **ops, const uint16_t n, ...@@ -613,7 +613,7 @@ static int retrieve_ldpc_enc_op(struct rte_bbdev_enc_op **ops, const uint16_t n,
for (i = 0; i < n; ++i) { for (i = 0; i < n; ++i) {
output = &ops[i]->ldpc_enc.output; output = &ops[i]->ldpc_enc.output;
m = output->data; m = output->data;
uint16_t data_len = min((384 * 68) / 8, rte_pktmbuf_data_len(m)); // fix me uint16_t data_len = min((LDPC_MAX_CB_SIZE) / 8, rte_pktmbuf_data_len(m)); // fix me
data = m->buf_addr; data = m->buf_addr;
for (int byte = 0; byte < data_len; byte++) for (int byte = 0; byte < data_len; byte++)
for (int bit = 0; bit < 8; bit++) for (int bit = 0; bit < 8; bit++)
...@@ -1103,10 +1103,10 @@ int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_imple ...@@ -1103,10 +1103,10 @@ int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_imple
.n_cb = (BG == 1) ? (66 * Zc) : (50 * Zc), .n_cb = (BG == 1) ? (66 * Zc) : (50 * Zc),
.BG = BG, .BG = BG,
.Z = Zc, .Z = Zc,
.rv = 0, //impp->rv, .rv = impp->rv,
.F = 0, //impp->F, .F = impp->F,
.Qm = impp->Qm, .Qm = impp->Qm,
.Kr = impp->Kr}; .Kr = (impp->K - impp->F + 7) / 8};
struct rte_bbdev_info info; struct rte_bbdev_info info;
rte_bbdev_info_get(ad->dev_id, &info); rte_bbdev_info_get(ad->dev_id, &info);
int socket_id = GET_SOCKET(info.socket_id); int socket_id = GET_SOCKET(info.socket_id);
...@@ -1126,7 +1126,7 @@ int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_imple ...@@ -1126,7 +1126,7 @@ int32_t LDPCencoder(unsigned char **input, unsigned char **output, encoder_imple
for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) { for (enum op_data_type type = DATA_INPUT; type < 3; type += 2) {
int ret = init_op_data_objs(*queue_ops[type], int ret = init_op_data_objs(*queue_ops[type],
*input, *input,
(offloadParams.Kr + 7) / 8, offloadParams.Kr,
m_head[type], m_head[type],
mbuf_pools[type], mbuf_pools[type],
1, 1,
......
openair1/PHY/NR_TRANSPORT/nr_dlsch_coding.c
View file @ 366715f2
...@@ -363,7 +363,7 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB, ...@@ -363,7 +363,7 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
impp.tparity = tparity; impp.tparity = tparity;
impp.toutput = toutput; impp.toutput = toutput;
impp.harq = harq; impp.harq = harq;
if (gNB->ldpc_offload_flag && *rel15->mcsIndex > 2) { if (gNB->ldpc_offload_flag) {
impp.Qm = rel15->qamModOrder[0]; impp.Qm = rel15->qamModOrder[0];
impp.rv = rel15->rvIndex[0]; impp.rv = rel15->rvIndex[0];
int nb_re_dmrs = int nb_re_dmrs =
...@@ -375,26 +375,11 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB, ...@@ -375,26 +375,11 @@ int nr_dlsch_encoding(PHY_VARS_gNB *gNB,
harq->unav_res, harq->unav_res,
rel15->qamModOrder[0], rel15->qamModOrder[0],
rel15->nrOfLayers); rel15->nrOfLayers);
uint8_t tmp[68 * 384] __attribute__((aligned(32)));
uint8_t *d = tmp;
int r_offset = 0; int r_offset = 0;
for (int r = 0; r < impp.n_segments; r++) { for (int r = 0; r < impp.n_segments; r++) {
impp.E = nr_get_E(impp.G, impp.n_segments, impp.Qm, rel15->nrOfLayers, r); impp.E = nr_get_E(impp.G, impp.n_segments, impp.Qm, rel15->nrOfLayers, r);
impp.Kr = impp.K; uint8_t *f = impp.output + r_offset;
ldpc_interface_offload.LDPCencoder(&harq->c[r], &d, &impp); ldpc_interface_offload.LDPCencoder(&harq->c[r], &f, &impp);
uint8_t e[impp.E];
bzero(e, impp.E);
nr_rate_matching_ldpc(rel15->maintenance_parms_v3.tbSizeLbrmBytes,
impp.BG,
impp.Zc,
tmp,
e,
impp.n_segments,
impp.F,
impp.K - impp.F - 2 * impp.Zc,
impp.rv,
impp.E);
nr_interleaving_ldpc(impp.E, impp.Qm, e, impp.output + r_offset);
r_offset += impp.E; r_offset += impp.E;
} }
} else { } else {
......
openair1/PHY/NR_UE_TRANSPORT/nr_ulsch_coding.c
View file @ 366715f2
...@@ -50,42 +50,39 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, ...@@ -50,42 +50,39 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
{ {
start_meas(&ue->ulsch_encoding_stats); start_meas(&ue->ulsch_encoding_stats);
/////////////////////////parameters and variables initialization///////////////////////// /////////////////////////parameters and variables initialization/////////////////////////
///////////
unsigned int crc = 1; unsigned int crc = 1;
NR_UL_UE_HARQ_t *harq_process = &ue->ul_harq_processes[harq_pid]; NR_UL_UE_HARQ_t *harq_process = &ue->ul_harq_processes[harq_pid];
uint16_t nb_rb = ulsch->pusch_pdu.rb_size; uint16_t nb_rb = ulsch->pusch_pdu.rb_size;
uint32_t A = tb_size << 3; uint32_t A = tb_size << 3;
uint8_t mod_order = ulsch->pusch_pdu.qam_mod_order;
uint16_t Kr = 0;
uint32_t r_offset = 0; uint32_t r_offset = 0;
uint32_t F = 0;
// target_code_rate is in 0.1 units // target_code_rate is in 0.1 units
float Coderate = (float) ulsch->pusch_pdu.target_code_rate / 10240.0f; float Coderate = (float) ulsch->pusch_pdu.target_code_rate / 10240.0f;
encoder_implemparams_t impp = {.n_segments = harq_process->C,
/////////// .macro_num = 0,
///////////////////////////////////////////////////////////////////////////////////////// .K = harq_process->K,
.Kr = harq_process->K,
.Zc = harq_process->Z,
.BG = harq_process->BG,
.F = harq_process->F,
.rv = ulsch->pusch_pdu.pusch_data.rv_index,
.Qm = ulsch->pusch_pdu.qam_mod_order,
.tinput = NULL,
.tprep = NULL,
.tparity = NULL,
.toutput = NULL};
/////////////////////////////////////////////////////////////////////////////////////////
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_IN);
LOG_D(NR_PHY, "ulsch coding nb_rb %d, Nl = %d\n", nb_rb, ulsch->pusch_pdu.nrOfLayers); LOG_D(NR_PHY, "ulsch coding nb_rb %d, Nl = %d\n", nb_rb, ulsch->pusch_pdu.nrOfLayers);
LOG_D(NR_PHY, "ulsch coding A %d G %d mod_order %d Coderate %f\n", A, G, mod_order, Coderate); LOG_D(NR_PHY, "ulsch coding A %d G %d mod_order %d Coderate %f\n", A, G, impp.Qm, Coderate);
LOG_D(NR_PHY, "harq_pid %d, pusch_data.new_data_indicator %d\n", harq_pid, ulsch->pusch_pdu.pusch_data.new_data_indicator); LOG_D(NR_PHY, "harq_pid %d, pusch_data.new_data_indicator %d\n", harq_pid, ulsch->pusch_pdu.pusch_data.new_data_indicator);
if (ulsch->pusch_pdu.pusch_data.new_data_indicator) { // this is a new packet if (ulsch->pusch_pdu.pusch_data.new_data_indicator) { // this is a new packet
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
printf("encoding thinks this is a new packet \n"); printf("encoding thinks this is a new packet \n");
#endif #endif
///////////////////////// a---->| add CRC |---->b ///////////////////////// ///////////////////////// a---->| add CRC |---->b /////////////////////////
///////////
/*
int i;
printf("ulsch (tx): \n");
for (i=0;i<(A>>3);i++)
printf("%02x.",harq_process->a[i]);
printf("\n");
*/
int max_payload_bytes = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*ulsch->pusch_pdu.nrOfLayers*1056; int max_payload_bytes = MAX_NUM_NR_ULSCH_SEGMENTS_PER_LAYER*ulsch->pusch_pdu.nrOfLayers*1056;
int B; int B;
if (A > NR_MAX_PDSCH_TBS) { if (A > NR_MAX_PDSCH_TBS) {
...@@ -93,40 +90,27 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, ...@@ -93,40 +90,27 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
crc = crc24a(harq_process->a,A)>>8; crc = crc24a(harq_process->a,A)>>8;
harq_process->a[A>>3] = ((uint8_t*)&crc)[2]; harq_process->a[A>>3] = ((uint8_t*)&crc)[2];
harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[1]; harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[1];
harq_process->a[2+(A>>3)] = ((uint8_t*)&crc)[0]; harq_process->a[2 + (A >> 3)] = ((uint8_t *)&crc)[0];
//printf("CRC %x (A %d)\n",crc,A);
//printf("a0 %d a1 %d a2 %d\n", a[A>>3], a[1+(A>>3)], a[2+(A>>3)]);
B = A + 24; B = A + 24;
AssertFatal((A / 8) + 4 <= max_payload_bytes, "A %d is too big (A/8+4 = %d > %d)\n", A, (A / 8) + 4, max_payload_bytes);
AssertFatal((A/8)+4 <= max_payload_bytes,"A %d is too big (A/8+4 = %d > %d)\n",A,(A/8)+4,max_payload_bytes);
memcpy(harq_process->b,harq_process->a,(A/8)+4); memcpy(harq_process->b,harq_process->a,(A/8)+4);
} else { } else {
// Add 16-bit crc (polynomial A) to payload // Add 16-bit crc (polynomial A) to payload
crc = crc16(harq_process->a,A)>>16; crc = crc16(harq_process->a,A)>>16;
harq_process->a[A>>3] = ((uint8_t*)&crc)[1]; harq_process->a[A>>3] = ((uint8_t*)&crc)[1];
harq_process->a[1+(A>>3)] = ((uint8_t*)&crc)[0]; harq_process->a[1 + (A >> 3)] = ((uint8_t *)&crc)[0];
//printf("CRC %x (A %d)\n",crc,A);
//printf("a0 %d a1 %d \n", a[A>>3], a[1+(A>>3)]);
B = A + 16; B = A + 16;
AssertFatal((A / 8) + 3 <= max_payload_bytes, "A %d is too big (A/8+3 = %d > %d)\n", A, (A / 8) + 3, max_payload_bytes);
AssertFatal((A/8)+3 <= max_payload_bytes,"A %d is too big (A/8+3 = %d > %d)\n",A,(A/8)+3,max_payload_bytes);
memcpy(harq_process->b,harq_process->a,(A/8)+3); // using 3 bytes to mimic the case of 24 bit crc memcpy(harq_process->b,harq_process->a,(A/8)+3); // using 3 bytes to mimic the case of 24 bit crc
} }
///////////
///////////////////////////////////////////////////////////////////////////
///////////////////////// b---->| block segmentation |---->c ///////////////////////// ///////////////////////// b---->| block segmentation |---->c /////////////////////////
///////////
harq_process->BG = ulsch->pusch_pdu.ldpcBaseGraph; harq_process->BG = ulsch->pusch_pdu.ldpcBaseGraph;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_SEGMENTATION, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_SEGMENTATION, VCD_FUNCTION_IN);
start_meas(&ue->ulsch_segmentation_stats); start_meas(&ue->ulsch_segmentation_stats);
uint32_t Kb = nr_segmentation(harq_process->b, impp.Kb = nr_segmentation(harq_process->b,
harq_process->c, harq_process->c,
B, B,
&harq_process->C, &harq_process->C,
...@@ -134,181 +118,126 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue, ...@@ -134,181 +118,126 @@ int nr_ulsch_encoding(PHY_VARS_NR_UE *ue,
&harq_process->Z, &harq_process->Z,
&harq_process->F, &harq_process->F,
harq_process->BG); harq_process->BG);
impp.n_segments = harq_process->C;
if (harq_process->C>MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER*ulsch->pusch_pdu.nrOfLayers) { impp.K = harq_process->K;
LOG_E(PHY, "nr_segmentation.c: too many segments %d, B %d\n", harq_process->C, B); impp.Kr = impp.K;
impp.Zc = harq_process->Z;
impp.F = harq_process->F;
impp.BG = harq_process->BG;
if (impp.n_segments > MAX_NUM_NR_DLSCH_SEGMENTS_PER_LAYER * ulsch->pusch_pdu.nrOfLayers) {
LOG_E(PHY, "nr_segmentation.c: too many segments %d, B %d\n", impp.n_segments, B);
return(-1); return(-1);
} }
stop_meas(&ue->ulsch_segmentation_stats); stop_meas(&ue->ulsch_segmentation_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_SEGMENTATION, VCD_FUNCTION_OUT); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_SEGMENTATION, VCD_FUNCTION_OUT);
F = harq_process->F;
Kr = harq_process->K;
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
uint16_t Kr_bytes; uint16_t Kr_bytes;
Kr_bytes = Kr>>3; Kr_bytes = impp.Kr >> 3;
#endif #endif
///////////////////////// c---->| LDCP coding |---->d ///////////////////////// ///////////////////////// c---->| LDCP coding |---->d ////////////////////////////////////
/////////// for (int r = 0; r < impp.n_segments; r++) {
// printf("segment Z %d k %d Kr %d BG %d\n", harq_process->Z,harq_process->K,Kr,BG);
//start_meas(te_stats);
for (int r=0; r<harq_process->C; r++) {
//channel_input[r] = &harq_process->d[r][0];
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
printf("Encoder: B %d F %d \n", B, harq_process->F); printf("Encoder: B %d F %d \n", B, impp.F);
printf("start ldpc encoder segment %d/%d\n",r,harq_process->C); printf("start ldpc encoder segment %d/%d\n", r, impp.n_segments);
printf("input %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]); printf("input %d %d %d %d %d \n", harq_process->c[r][0], harq_process->c[r][1], harq_process->c[r][2],harq_process->c[r][3], harq_process->c[r][4]);
for (int cnt = 0; cnt < 22 * harq_process->Z / 8; cnt++) { for (int cnt = 0; cnt < 22 * impp.Zc / 8; cnt++) {
printf("%d ", harq_process->c[r][cnt]); printf("%d ", harq_process->c[r][cnt]);
} }
printf("\n"); printf("\n");
#endif #endif
//ldpc_encoder_orig((unsigned char*)harq_process->c[r],harq_process->d[r],Kr,BG,0);
//ldpc_encoder_optim((unsigned char*)harq_process->c[r],(unsigned char*)&harq_process->d[r][0],Kr,BG,NULL,NULL,NULL,NULL);
} }
//for (int i=0;i<68*384;i++)
// printf("channel_input[%d]=%d\n",i,channel_input[i]);
/*printf("output %d %d %d %d %d \n", harq_process->d[0][0], harq_process->d[0][1], harq_process->d[r][2],harq_process->d[0][3],
harq_process->d[0][4]); for (int cnt =0 ; cnt < 66*harq_process->Z; cnt ++){ printf("%d \n", harq_process->d[0][cnt]);
}
printf("\n");*/
encoder_implemparams_t impp = {.n_segments = harq_process->C,
.macro_num = 0,
.K = harq_process->K,
.Kb = Kb,
.Zc = harq_process->Z,
.BG = harq_process->BG,
.tinput = NULL,
.tprep = NULL,
.tparity = NULL,
.toutput = NULL};
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_IN);
}
start_meas(&ue->ulsch_ldpc_encoding_stats); start_meas(&ue->ulsch_ldpc_encoding_stats);
if (ldpc_interface_offload.LDPCencoder) if (ldpc_interface_offload.LDPCencoder) {
for (int j = 0; j < harq_process->C; j++) { for (int j = 0; j < impp.n_segments; j++) {
impp.macro_num = j; impp.E = nr_get_E(G, impp.n_segments, impp.Qm, ulsch->pusch_pdu.nrOfLayers, j);
impp.E = nr_get_E(G, harq_process->C, mod_order, ulsch->pusch_pdu.nrOfLayers, j); uint8_t *f = harq_process->f + r_offset;
impp.Kr = Kr; ldpc_interface_offload.LDPCencoder(&harq_process->c[j], &f, &impp);
ldpc_interface_offload.LDPCencoder(&harq_process->c[j], &harq_process->d[j], &impp); r_offset += impp.E;
} }
else } else {
for (int j = 0; j < (harq_process->C / 8 + 1); j++) { if (ulsch->pusch_pdu.pusch_data.new_data_indicator) {
for (int j = 0; j < (impp.n_segments / 8 + 1); j++) {
impp.macro_num = j; impp.macro_num = j;
impp.E = nr_get_E(G, harq_process->C, mod_order, ulsch->pusch_pdu.nrOfLayers, j); impp.E = nr_get_E(G, impp.n_segments, impp.Qm, ulsch->pusch_pdu.nrOfLayers, j);
impp.Kr = Kr; impp.Kr = impp.K;
ldpc_interface.LDPCencoder(harq_process->c, harq_process->d, &impp); ldpc_interface.LDPCencoder(harq_process->c, harq_process->d, &impp);
} }
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_OUT); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_LDPC_ENCODER_OPTIM, VCD_FUNCTION_OUT);
//stop_meas(te_stats);
//printf("end ldpc encoder -- output\n");
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
write_output("ulsch_enc_input0.m","enc_in0",&harq_process->c[0][0],Kr_bytes,1,4); write_output("ulsch_enc_input0.m", "enc_in0", &harq_process->c[0][0], Kr_bytes, 1, 4);
write_output("ulsch_enc_output0.m","enc0",&harq_process->d[0][0],(3*8*Kr_bytes)+12,1,4); write_output("ulsch_enc_output0.m", "enc0", &harq_process->d[0][0], (3 * 8 * Kr_bytes) + 12, 1, 4);
#endif #endif
///////////
///////////////////////////////////////////////////////////////////////////////
} }
F = harq_process->F; ///////////////////////////////////////////////////////////////////////////////
Kr = harq_process->K; for (int r = 0; r < impp.n_segments; r++) { // looping over C segments
if (impp.F > 0) {
for (int r=0; r<harq_process->C; r++) { // looping over C segments for (int k = impp.Kr - impp.F - 2 * impp.Zc; k < impp.Kr - 2 * impp.Zc; k++) {
if (harq_process->F>0) {
for (int k = Kr - F - 2 * harq_process->Z; k < Kr - 2 * harq_process->Z; k++) {
harq_process->d[r][k] = NR_NULL; harq_process->d[r][k] = NR_NULL;
//if (k<(Kr-F+8))
//printf("r %d filler bits [%d] = %d \n", r,k, harq_process->d[r][k]);
} }
} }
LOG_D(PHY,
LOG_D(PHY,"Rate Matching, Code segment %d (coded bits (G) %u, unpunctured/repeated bits per code segment %d, mod_order %d, nb_rb %d, rvidx %d)...\n", "Rate Matching, Code segment %d (coded bits (G) %u, unpunctured/repeated bits per code segment %d, mod_order %d, nb_rb "
"%d, "
"rvidx %d)...\n",
r, r,
G, G,
Kr*3, impp.Kr * 3,
mod_order,nb_rb, impp.Qm,
nb_rb,
ulsch->pusch_pdu.pusch_data.rv_index); ulsch->pusch_pdu.pusch_data.rv_index);
//start_meas(rm_stats); ///////////////////////// d---->| Rate matching bit selection |---->e /////////////////////////
///////////////////////// d---->| Rate matching bit selection |---->e ///////////////////////// impp.E = nr_get_E(G, impp.n_segments, impp.Qm, ulsch->pusch_pdu.nrOfLayers, r);
///////////
uint32_t E = nr_get_E(G, harq_process->C, mod_order, ulsch->pusch_pdu.nrOfLayers, r);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_IN);
start_meas(&ue->ulsch_rate_matching_stats); start_meas(&ue->ulsch_rate_matching_stats);
if (nr_rate_matching_ldpc(ulsch->pusch_pdu.tbslbrm, if (nr_rate_matching_ldpc(ulsch->pusch_pdu.tbslbrm,
harq_process->BG, impp.BG,
harq_process->Z, impp.Zc,
harq_process->d[r], harq_process->d[r],
harq_process->e + r_offset, harq_process->e + r_offset,
harq_process->C, impp.n_segments,
F, impp.F,
Kr - F - 2 * harq_process->Z, impp.Kr - impp.F - 2 * impp.Zc,
ulsch->pusch_pdu.pusch_data.rv_index, impp.rv,
E) impp.E) == -1)
== -1)
return -1; return -1;
stop_meas(&ue->ulsch_rate_matching_stats); stop_meas(&ue->ulsch_rate_matching_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_OUT); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_RATE_MATCHING_LDPC, VCD_FUNCTION_OUT);
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
for (int i =0; i<16; i++) for (int i = 0; i < 16; i++)
printf("output ratematching e[%d]= %d r_offset %u\n", i,harq_process->e[i+r_offset], r_offset); printf("output ratematching e[%d]= %d r_offset %u\n", i, harq_process->e[i + r_offset], r_offset);
#endif #endif
///////////
///////////////////////////////////////////////////////////////////////////////////////////////
///////////////////////// e---->| Rate matching bit interleaving |---->f ///////////////////////// ///////////////////////// e---->| Rate matching bit interleaving |---->f /////////////////////////
///////////
//stop_meas(rm_stats);
//start_meas(i_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INTERLEAVING_LDPC, VCD_FUNCTION_IN); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INTERLEAVING_LDPC, VCD_FUNCTION_IN);
start_meas(&ue->ulsch_interleaving_stats); start_meas(&ue->ulsch_interleaving_stats);
nr_interleaving_ldpc(E, nr_interleaving_ldpc(impp.E,
mod_order, impp.Qm,
harq_process->e+r_offset, harq_process->e + r_offset,
harq_process->f+r_offset); harq_process->f + r_offset);
stop_meas(&ue->ulsch_interleaving_stats); stop_meas(&ue->ulsch_interleaving_stats);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INTERLEAVING_LDPC, VCD_FUNCTION_OUT); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_INTERLEAVING_LDPC, VCD_FUNCTION_OUT);
//stop_meas(i_stats);
#ifdef DEBUG_ULSCH_CODING #ifdef DEBUG_ULSCH_CODING
for (int i =0; i<16; i++) for (int i = 0; i < 16; i++)
printf("output interleaving f[%d]= %d r_offset %u\n", i,harq_process->f[i+r_offset], r_offset); printf("output interleaving f[%d]= %d r_offset %u\n", i, harq_process->f[i+r_offset], r_offset);
if (r == impp.n_segments - 1)
if (r==harq_process->C-1) write_output("enc_output.m","enc", harq_process->f, G, 1, 4);
write_output("enc_output.m","enc",harq_process->f,G,1,4);
#endif #endif
r_offset += impp.E;
r_offset += E;
///////////
///////////////////////////////////////////////////////////////////////////////////////////////
} }
}
///////////////////////////////////////////////////////////////////////////////////////////////
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT); VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_NR_UE_ULSCH_ENCODING, VCD_FUNCTION_OUT);
stop_meas(&ue->ulsch_encoding_stats); stop_meas(&ue->ulsch_encoding_stats);
return(0); return(0);
} }
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