diff --git a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c index 89711050e2..2d84d5a520 100644 --- a/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c +++ b/openair1/PHY/NR_TRANSPORT/nr_ulsch_decoding.c @@ -289,6 +289,196 @@ void clean_gNB_ulsch(NR_gNB_ULSCH_t *ulsch) static uint32_t prnt_crc_cnt = 0; #endif +uint32_t 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->p_decoderParms; + int length_dec; + int Kr; + int Kr_bytes; + 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; + uint32_t Tbslbrm = rdata->Tbslbm; + short* ulsch_llr = rdata->ulsch_llr; + int max_ldpc_iterations = rdata->p_decParams->numMaxIter; + int8_t llrProcBuf[OAI_UL_LDPC_MAX_NUM_LLR] __attribute__ ((aligned(32))); + + int16_t z [68*384]; + int8_t l [68*384]; + uint8_t Ilbrm = 0; + + Kr = ulsch_harq->K; + Kr_bytes = Kr>>3; + + K_bytes_F = Kr_bytes-(ulsch_harq->F>>3); + + start_meas(&phy_vars_gNB->ulsch_deinterleaving_stats); + + //////////////////////////////////////////////////////////////////////////////////////////// + ///////////////////////////////// nr_deinterleaving_ldpc /////////////////////////////////// + ////////////////////////////////////////////////////////////////////////////////////////// + + //////////////////////////// ulsch_llr =====> ulsch_harq->e ////////////////////////////// + + nr_deinterleaving_ldpc(E, + Qm, + ulsch_harq->e[r], + 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); + + + /*LOG_D(PHY,"HARQ_PID %d Rate Matching Segment %d (coded bits %d,unpunctured/repeated bits %d, TBS %d, mod_order %d, nb_rb %d, Nl %d, rv %d, round %d)...\n", + harq_pid,r, G, + Kr*3, + ulsch_harq->TBS, + Qm, + nb_rb, + n_layers, + pusch_pdu->pusch_data.rv_index, + ulsch_harq->round);*/ + ////////////////////////////////////////////////////////////////////////////////////////// + + + ////////////////////////////////////////////////////////////////////////////////////////// + //////////////////////////////// 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(Ilbrm, + Tbslbrm, + p_decParams->BG, + p_decParams->Z, + ulsch_harq->d[r], + ulsch_harq->e[r], + ulsch_harq->C, + rv_index, + (ulsch_harq->round==0)?1:0, + E, + ulsch_harq->F, + Kr-ulsch_harq->F-2*(p_decParams->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); + } + +#ifdef DEBUG_ULSCH_DECODING + if (r==0) { + write_output("decoder_llr.m","decllr",ulsch_llr,G,1,0); + write_output("decoder_in.m","dec",&ulsch_harq->d[0][0],E,1,0); + } + + printf("decoder input(segment %u) :", r); + int i; + for (i=0;i<(3*8*Kr_bytes)+12;i++) + printf("%d : %d\n",i,ulsch_harq->d[r][i]); + printf("\n"); +#endif + + + // printf("Clearing c, %p\n",ulsch_harq->c[r]); + memset(ulsch_harq->c[r],0,Kr_bytes); + + // printf("done\n"); + 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); + + //LOG_E(PHY,"AbsSubframe %d.%d Start LDPC segment %d/%d A %d ",frame%1024,nr_tti_rx,r,ulsch_harq->C-1, A); + + + memset(pv,0,2*ulsch_harq->Z*sizeof(int16_t)); + memset((pv+K_bytes_F),127,ulsch_harq->F*sizeof(int16_t)); + + for (i=((2*p_decParams->Z)>>3), j = 0; i < K_bytes_F; i++, j++) { + pv[i]= _mm_loadu_si128((__m128i*)(&ulsch_harq->d[r][8*j])); + } + + AssertFatal(kc!=255,""); + j+=(ulsch_harq->F>>3); + for (i=Kr_bytes; i < ((kc*p_decParams->Z)>>3); i++, j++) { + pv[i]= _mm_loadu_si128((__m128i*)(&ulsch_harq->d[r][8*j])); + } + + for (i=0, j=0; j < ((kc*p_decParams->Z)>>4); i+=2, j++) { + pl[j] = _mm_packs_epi16(pv[i],pv[i+1]); + } + + ////////////////////////////////////////////////////////////////////////////////////////// + + + ////////////////////////////////////////////////////////////////////////////////////////// + ///////////////////////////////////// nrLDPC_decoder ///////////////////////////////////// + ////////////////////////////////////////////////////////////////////////////////////////// + + ////////////////////////////////// pl =====> llrProcBuf ////////////////////////////////// + + no_iteration_ldpc = nrLDPC_decoder(p_decParams, + (int8_t*)&pl[0], + llrProcBuf, + ulsch_harq->p_nrLDPC_procBuf[r], + p_procTime); + + if (check_crc((uint8_t*)llrProcBuf,length_dec,ulsch_harq->F,crc_type)) { +#ifdef PRINT_CRC_CHECK + //if (prnt_crc_cnt % 10 == 0) + LOG_I(PHY, "Segment %d CRC OK\n",r); +#endif + rdata->decodeIterations = no_iteration_ldpc; + } else { +#ifdef PRINT_CRC_CHECK + //if (prnt_crc_cnt%10 == 0) + LOG_I(PHY, "CRC NOK\n"); +#endif + rdata->decodeIterations = max_ldpc_iterations + 1; + } + + for (int m=0; m < Kr>>3; m ++) { + ulsch_harq->c[r][m]= (uint8_t) llrProcBuf[m]; + } + +#ifdef DEBUG_ULSCH_DECODING + //printf("output decoder %d %d %d %d %d \n", ulsch_harq->c[r][0], ulsch_harq->c[r][1], ulsch_harq->c[r][2],ulsch_harq->c[r][3], ulsch_harq->c[r][4]); + for (int k=0;k>3;k++) + printf("output decoder [%d] = 0x%02x \n", k, ulsch_harq->c[r][k]); + printf("no_iterations_ldpc %d (ret %u)\n",no_iteration_ldpc,ret); + //write_output("dec_output.m","dec0",ulsch_harq->c[0],Kr_bytes,1,4); +#endif + + stop_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats); +} + uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, uint8_t UE_id, short *ulsch_llr, @@ -299,12 +489,9 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, uint8_t harq_pid, uint32_t G) { - uint32_t A,E; - uint32_t ret, offset; - int32_t no_iteration_ldpc, length_dec; - uint32_t r,r_offset=0,Kr=8424,Kr_bytes,K_bytes_F,err_flag=0; - uint8_t crc_type; - int8_t llrProcBuf[OAI_UL_LDPC_MAX_NUM_LLR] __attribute__ ((aligned(32))); + uint32_t A; + uint32_t ret; + uint32_t r,r_offset=0; #ifdef PRINT_CRC_CHECK prnt_crc_cnt++; @@ -322,13 +509,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, printf("ulsch_decoding.c: NULL harq_process pointer\n"); return (ulsch->max_ldpc_iterations + 1); } - t_nrLDPC_procBuf** p_nrLDPC_procBuf = harq_process->p_nrLDPC_procBuf; - int16_t z [68*384]; - int8_t l [68*384]; - uint8_t kc = 255; - uint8_t Ilbrm = 0; - uint32_t Tbslbrm = 950984; double Coderate = 0.0; // ------------------------------------------------------------------ @@ -339,7 +520,7 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, uint8_t n_layers = pusch_pdu->nrOfLayers; // ------------------------------------------------------------------ - uint32_t i,j; + uint32_t i; __m128i *pv = (__m128i*)&z; __m128i *pl = (__m128i*)&l; @@ -350,11 +531,6 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, return (ulsch->max_ldpc_iterations + 1); } - if (!frame_parms) { - printf("ulsch_decoding.c: NULL frame_parms pointer\n"); - return (ulsch->max_ldpc_iterations + 1); - } - // harq_process->trials[nfapi_ulsch_pdu_rel15->round]++; VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_gNB_ULSCH_DECODING,1); @@ -362,7 +538,6 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, harq_process->round = nr_rv_round_map[pusch_pdu->pusch_data.rv_index]; A = (harq_process->TBS)<<3; - ret = ulsch->max_ldpc_iterations + 1; LOG_D(PHY,"ULSCH Decoding, harq_pid %d TBS %d G %d mcs %d Nl %d nb_rb %d, Qm %d, n_layers %d\n",harq_pid,A,G, mcs, n_layers, nb_rb, Qm, n_layers); @@ -419,6 +594,8 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, &harq_process->F, p_decParams->BG); + Tbslbrm = nr_compute_tbslbrm(0,nb_rb,n_layers,harq_process->C); + #ifdef DEBUG_ULSCH_DECODING printf("ulsch decoding nr segmentation Z %d\n", harq_process->Z); if (!frame%100) @@ -431,7 +608,6 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, p_decParams->numMaxIter = ulsch->max_ldpc_iterations; p_decParams->outMode= 0; - err_flag = 0; r_offset = 0; uint16_t a_segments = MAX_NUM_NR_ULSCH_SEGMENTS; //number of segments to be allocated @@ -449,200 +625,30 @@ uint32_t nr_ulsch_decoding(PHY_VARS_gNB *phy_vars_gNB, printf("Segmentation: C %d, K %d\n",harq_process->C,harq_process->K); #endif - //opp_enabled=1; - - Kr = harq_process->K; - Kr_bytes = Kr>>3; - - K_bytes_F = Kr_bytes-(harq_process->F>>3); - for (r=0; rC; r++) { E = nr_get_E(G, harq_process->C, Qm, n_layers, r); + union ldpcReqUnion id = {.s={ulsch->rnti,frame,slot,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); - start_meas(&phy_vars_gNB->ulsch_deinterleaving_stats); - - //////////////////////////////////////////////////////////////////////////////////////////// - ///////////////////////////////// nr_deinterleaving_ldpc /////////////////////////////////// - ////////////////////////////////////////////////////////////////////////////////////////// - - //////////////////////////// ulsch_llr =====> harq_process->e ////////////////////////////// - - nr_deinterleaving_ldpc(E, - Qm, - harq_process->e[r], - ulsch_llr+r_offset); - - //for (int i =0; i<16; i++) - // printf("rx output deinterleaving w[%d]= %d r_offset %d\n", i,harq_process->w[r][i], r_offset); - - stop_meas(&phy_vars_gNB->ulsch_deinterleaving_stats); - - - LOG_D(PHY,"HARQ_PID %d Rate Matching Segment %d (coded bits %d,unpunctured/repeated bits %d, TBS %d, mod_order %d, nb_rb %d, Nl %d, rv %d, round %d)...\n", - harq_pid,r, G, - Kr*3, - harq_process->TBS, - Qm, - nb_rb, - n_layers, - pusch_pdu->pusch_data.rv_index, - harq_process->round); - ////////////////////////////////////////////////////////////////////////////////////////// - - - ////////////////////////////////////////////////////////////////////////////////////////// - //////////////////////////////// nr_rate_matching_ldpc_rx //////////////////////////////// - ////////////////////////////////////////////////////////////////////////////////////////// - - ///////////////////////// harq_process->e =====> harq_process->d ///////////////////////// - - start_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats); - - Tbslbrm = nr_compute_tbslbrm(0,nb_rb,n_layers,harq_process->C); - - if (nr_rate_matching_ldpc_rx(Ilbrm, - Tbslbrm, - p_decParams->BG, - p_decParams->Z, - harq_process->d[r], - harq_process->e[r], - harq_process->C, - pusch_pdu->pusch_data.rv_index, - (harq_process->round==0)?1:0, - E, - harq_process->F, - Kr-harq_process->F-2*(p_decParams->Z))==-1) { - - stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats); - - LOG_E(PHY,"ulsch_decoding.c: Problem in rate_matching\n"); - return (ulsch->max_ldpc_iterations + 1); - } else { - stop_meas(&phy_vars_gNB->ulsch_rate_unmatching_stats); - } - + rdata->gNB = phy_vars_gNB; + rdata->ulsch_harq = harq_process; + rdata->p_decoderParms = p_decParams; + rdata->ulsch_llr = ulsch_llr; + rdata->Kc = Kc; + rdata->segment_r = r; + rdata->nbSegments = harq_process->C; + rdata->E = E; + rdata->A = A; + rdata->Qm = Qm; + rdata->r_offset = r_offset; + rdata->rv_index = pusch_pdu->pusch_data.rv_index; + rdata->Tbslbrm = Tbslbrm; r_offset += E; - -#ifdef DEBUG_ULSCH_DECODING - if (r==0) { - write_output("decoder_llr.m","decllr",ulsch_llr,G,1,0); - write_output("decoder_in.m","dec",&harq_process->d[0][0],E,1,0); - } - - printf("decoder input(segment %u) :", r); - int i; - for (i=0;i<(3*8*Kr_bytes)+12;i++) - printf("%d : %d\n",i,harq_process->d[r][i]); - printf("\n"); -#endif - - - // printf("Clearing c, %p\n",harq_process->c[r]); - memset(harq_process->c[r],0,Kr_bytes); - - // printf("done\n"); - 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; - } - - if (err_flag == 0) { - - start_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats); - - //LOG_E(PHY,"AbsSubframe %d.%d Start LDPC segment %d/%d A %d ",frame%1024,nr_tti_rx,r,harq_process->C-1, A); - - - memset(pv,0,2*harq_process->Z*sizeof(int16_t)); - memset((pv+K_bytes_F),127,harq_process->F*sizeof(int16_t)); - - for (i=((2*p_decParams->Z)>>3), j = 0; i < K_bytes_F; i++, j++) { - pv[i]= _mm_loadu_si128((__m128i*)(&harq_process->d[r][8*j])); - } - - AssertFatal(kc!=255,""); - j+=(harq_process->F>>3); - for (i=Kr_bytes; i < ((kc*p_decParams->Z)>>3); i++, j++) { - pv[i]= _mm_loadu_si128((__m128i*)(&harq_process->d[r][8*j])); - } - - for (i=0, j=0; j < ((kc*p_decParams->Z)>>4); i+=2, j++) { - pl[j] = _mm_packs_epi16(pv[i],pv[i+1]); - } - - ////////////////////////////////////////////////////////////////////////////////////////// - - - ////////////////////////////////////////////////////////////////////////////////////////// - ///////////////////////////////////// nrLDPC_decoder ///////////////////////////////////// - ////////////////////////////////////////////////////////////////////////////////////////// - - ////////////////////////////////// pl =====> llrProcBuf ////////////////////////////////// - - no_iteration_ldpc = nrLDPC_decoder(p_decParams, - (int8_t*)&pl[0], - llrProcBuf, - p_nrLDPC_procBuf[r], - p_procTime); - - if (check_crc((uint8_t*)llrProcBuf,length_dec,harq_process->F,crc_type)) { - #ifdef PRINT_CRC_CHECK - //if (prnt_crc_cnt % 10 == 0) - LOG_I(PHY, "Segment %d CRC OK\n",r); - #endif - ret = no_iteration_ldpc; - } else { - #ifdef PRINT_CRC_CHECK - //if (prnt_crc_cnt%10 == 0) - LOG_I(PHY, "CRC NOK\n"); - #endif - ret = ulsch->max_ldpc_iterations + 1; - } - nb_total_decod++; - - if (no_iteration_ldpc > ulsch->max_ldpc_iterations){ - nb_error_decod++; - } - - for (int m=0; m < Kr>>3; m ++) { - harq_process->c[r][m]= (uint8_t) llrProcBuf[m]; - } - -#ifdef DEBUG_ULSCH_DECODING - //printf("output decoder %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 k=0;k>3;k++) - printf("output decoder [%d] = 0x%02x \n", k, harq_process->c[r][k]); - printf("no_iterations_ldpc %d (ret %u)\n",no_iteration_ldpc,ret); - //write_output("dec_output.m","dec0",harq_process->c[0],Kr_bytes,1,4); -#endif - - stop_meas(&phy_vars_gNB->ulsch_ldpc_decoding_stats); - } - - if ((err_flag == 0) && (ret >= (ulsch->max_ldpc_iterations + 1))) { - // a Code segment is in error so break; - LOG_D(PHY,"AbsSubframe %d.%d CRC failed, segment %d/%d \n",frame%1024,nr_tti_rx,r,harq_process->C-1); - err_flag = 1; - } ////////////////////////////////////////////////////////////////////////////////////////// } - - int32_t frame_rx_prev = frame; - int32_t tti_rx_prev = nr_tti_rx - 1; - if (tti_rx_prev < 0) { - frame_rx_prev--; - tti_rx_prev += frame_parms->slots_per_frame; - } - frame_rx_prev = frame_rx_prev%1024; + return ret; if (err_flag == 1) { diff --git a/openair1/PHY/defs_gNB.h b/openair1/PHY/defs_gNB.h index 5605a85287..90f26f8efe 100644 --- a/openair1/PHY/defs_gNB.h +++ b/openair1/PHY/defs_gNB.h @@ -252,6 +252,8 @@ typedef struct { int16_t e[MAX_NUM_NR_DLSCH_SEGMENTS][3*8448]; /// Number of bits in each code block after rate matching for LDPC code (38.212 V15.4.0 section 5.4.2.1) uint32_t E; + /// Number of segments processed so far + uint32_t processedSegments; ////////////////////////////////////////////////////////////// @@ -463,6 +465,36 @@ typedef struct { uint8_t cl_done; } NR_gNB_PUSCH; +typedef struct LDPCDecode_s { + PHY_BARS_gNB *gNB; + NR_UL_gNB_HARQ_t *ulsch_harq; + t_nrLDPC_dec_params *p_decoderParms; + short* ulsch_llr; + int harq_pid; + int rv_index; + int A; + int E; + int Kc; + int Qm; + int nbSegments; + int segment_r; + int r_offset; + int Tbslbrm; + int decodeIterations; +} ldpcDecode_t + +struct ldpcReqId { + uint16_t rnti; + uint16_t frame; + uint8_t subframe; + uint8_t codeblock; + uint16_t spare; +} __attribute__((packed)); + +union ldpcReqUnion { + struct ldpcReqId s; + uint64_t p; +}; /// Context data structure for RX/TX portion of slot processing typedef struct { @@ -802,6 +834,9 @@ typedef struct PHY_VARS_gNB_s { time_stats_t rx_dft_stats; time_stats_t ulsch_freq_offset_estimation_stats; */ + notifiedFIFO_t *respDecode; + tpool_t *threadPool; + int nbDecode; } PHY_VARS_gNB; diff --git a/openair1/SCHED_NR/phy_procedures_nr_gNB.c b/openair1/SCHED_NR/phy_procedures_nr_gNB.c index 901be25c65..b4dcc77eff 100644 --- a/openair1/SCHED_NR/phy_procedures_nr_gNB.c +++ b/openair1/SCHED_NR/phy_procedures_nr_gNB.c @@ -225,6 +225,17 @@ void phy_procedures_gNB_TX(PHY_VARS_gNB *gNB, */ +void nr_postDecode(PHY_VARS_gNB gNB, notifiedFIFO_elt_t *req) { + ldpcDecode_t *rdata = (ldpcDeocde_t*) NotifiedFifoData(req); + NR_UL_gNB_HARQ_t ulsch_harq = rdata->ulsch_harq; + + bool decodeSuccess = (rdata->deocdeIterations <= rdata->p_decoderParms->numMaxIter); + ulsch_harq->processedSegments++; + LOG_D(PHY, "processing result of segment: %d, processed %d/%d\n", + rdata->segment_r, ulsch_harq->processedSegments, rdata->nbSegments); + proc->nbDecode--; + LOG_D(PHY,"remain to decoded in subframe: %d\n", proc->nbDecode); + void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH_id, uint8_t harq_pid) { NR_DL_FRAME_PARMS *frame_parms = &gNB->frame_parms; @@ -282,17 +293,22 @@ void nr_ulsch_procedures(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, int ULSCH //---------------------------------------------------------- start_meas(&gNB->ulsch_decoding_stats); - ret = nr_ulsch_decoding(gNB, - ULSCH_id, - gNB->pusch_vars[ULSCH_id]->llr, - frame_parms, - pusch_pdu, - frame_rx, - slot_rx, - harq_pid, - G); + nr_ulsch_decoding(gNB, + ULSCH_id, + gNB->pusch_vars[ULSCH_id]->llr, + frame_parms, + pusch_pdu, + frame_rx, + slot_rx, + harq_pid, + G); stop_meas(&gNB->ulsch_decoding_stats); + while (gNB->nbDecode > 0) { + notifiedFIFO_elt_t *req=pullTpool(gNB->respDecode, gNB->threadPool); + nr_postDecode(gNB, req); + delNotifiedFIFO_elt(req); + } if (ret > gNB->ulsch[ULSCH_id][0]->max_ldpc_iterations){ LOG_D(PHY, "ULSCH %d in error\n",ULSCH_id);