/* * 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 1.1 (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 fapi_nr_ue_l1.c * \brief functions for NR UE FAPI-like interface * \author R. Knopp, K.H. HSU * \date 2018 * \version 0.1 * \company Eurecom / NTUST * \email: knopp@eurecom.fr, kai-hsiang.hsu@eurecom.fr * \note * \warning */ #include <stdio.h> #include "fapi_nr_ue_interface.h" #include "fapi_nr_ue_l1.h" #include "harq_nr.h" //#include "PHY/phy_vars_nr_ue.h" #include "PHY/defs_nr_UE.h" #include "PHY/impl_defs_nr.h" extern PHY_VARS_NR_UE ***PHY_vars_UE_g; const char *dl_pdu_type[]={"DCI", "DLSCH", "RA_DLSCH", "SI_DLSCH", "P_DLSCH"}; const char *ul_pdu_type[]={"PRACH", "PUCCH", "PUSCH", "SRS"}; int8_t nr_ue_scheduled_response(nr_scheduled_response_t *scheduled_response){ bool found = false; if(scheduled_response != NULL){ module_id_t module_id = scheduled_response->module_id; uint8_t cc_id = scheduled_response->CC_id, thread_id; uint32_t i; int slot = scheduled_response->slot; // Note: we have to handle the thread IDs for this. To be revisited completely. thread_id = scheduled_response->thread_id; NR_UE_DLSCH_t *dlsch0 = NULL; NR_UE_PDCCH *pdcch_vars = PHY_vars_UE_g[module_id][cc_id]->pdcch_vars[thread_id][0]; NR_UE_ULSCH_t *ulsch0 = PHY_vars_UE_g[module_id][cc_id]->ulsch[thread_id][0][0]; NR_UE_PUCCH *pucch_vars = PHY_vars_UE_g[module_id][cc_id]->pucch_vars[thread_id][0]; if(scheduled_response->dl_config != NULL){ fapi_nr_dl_config_request_t *dl_config = scheduled_response->dl_config; pdcch_vars->nb_search_space = 0; for (i = 0; i < dl_config->number_pdus; ++i){ AssertFatal(dl_config->number_pdus < FAPI_NR_DL_CONFIG_LIST_NUM,"dl_config->number_pdus %d out of bounds\n",dl_config->number_pdus); AssertFatal(dl_config->dl_config_list[i].pdu_type<=FAPI_NR_DL_CONFIG_TYPES,"pdu_type %d > 2\n",dl_config->dl_config_list[i].pdu_type); LOG_D(PHY, "In %s: frame %d slot %d received 1 DL %s PDU of %d total DL PDUs:\n", __FUNCTION__, scheduled_response->frame, slot, dl_pdu_type[dl_config->dl_config_list[i].pdu_type - 1], dl_config->number_pdus); if (dl_config->dl_config_list[i].pdu_type == FAPI_NR_DL_CONFIG_TYPE_DCI) { fapi_nr_dl_config_dci_dl_pdu_rel15_t *pdcch_config = &dl_config->dl_config_list[i].dci_config_pdu.dci_config_rel15; memcpy((void*)&pdcch_vars->pdcch_config[pdcch_vars->nb_search_space],(void*)pdcch_config,sizeof(*pdcch_config)); pdcch_vars->nb_search_space = pdcch_vars->nb_search_space + 1; pdcch_vars->sfn = scheduled_response->frame; pdcch_vars->slot = slot; LOG_D(PHY,"Number of DCI SearchSpaces %d\n",pdcch_vars->nb_search_space); } else { fapi_nr_dl_config_dlsch_pdu_rel15_t *dlsch_config_pdu = &dl_config->dl_config_list[i].dlsch_config_pdu.dlsch_config_rel15; uint8_t current_harq_pid = dlsch_config_pdu->harq_process_nbr; if (dl_config->dl_config_list[i].pdu_type == FAPI_NR_DL_CONFIG_TYPE_DLSCH){ dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch[thread_id][0][0]; } else if (dl_config->dl_config_list[i].pdu_type == FAPI_NR_DL_CONFIG_TYPE_RA_DLSCH){ dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch_ra[0]; dlsch0->rnti_type = _RA_RNTI_; dlsch0->harq_processes[current_harq_pid]->status = ACTIVE; } else if (dl_config->dl_config_list[i].pdu_type == FAPI_NR_DL_CONFIG_TYPE_SI_DLSCH){ dlsch0 = PHY_vars_UE_g[module_id][cc_id]->dlsch_SI[0]; dlsch0->rnti_type = _SI_RNTI_; dlsch0->harq_processes[current_harq_pid]->status = ACTIVE; } dlsch0->current_harq_pid = current_harq_pid; dlsch0->active = 1; dlsch0->rnti = dl_config->dl_config_list[i].dlsch_config_pdu.rnti; LOG_D(PHY,"slot %d current_harq_pid = %d\n",slot, current_harq_pid); NR_DL_UE_HARQ_t *dlsch0_harq = dlsch0->harq_processes[current_harq_pid]; if (dlsch0_harq){ dlsch0_harq->BWPStart = dlsch_config_pdu->BWPStart; dlsch0_harq->BWPSize = dlsch_config_pdu->BWPSize; dlsch0_harq->nb_rb = dlsch_config_pdu->number_rbs; dlsch0_harq->start_rb = dlsch_config_pdu->start_rb; dlsch0_harq->nb_symbols = dlsch_config_pdu->number_symbols; dlsch0_harq->start_symbol = dlsch_config_pdu->start_symbol; dlsch0_harq->dlDmrsSymbPos = dlsch_config_pdu->dlDmrsSymbPos; dlsch0_harq->dmrsConfigType = dlsch_config_pdu->dmrsConfigType; dlsch0_harq->n_dmrs_cdm_groups = dlsch_config_pdu->n_dmrs_cdm_groups; dlsch0_harq->mcs = dlsch_config_pdu->mcs; dlsch0_harq->rvidx = dlsch_config_pdu->rv; dlsch0->g_pucch = dlsch_config_pdu->accumulated_delta_PUCCH; //get nrOfLayers from DCI info uint8_t Nl = 0; for (i = 0; i < 4; i++) { if (dlsch_config_pdu->dmrs_ports[i] >= i) Nl += 1; } dlsch0_harq->Nl = Nl; dlsch0_harq->mcs_table=dlsch_config_pdu->mcs_table; downlink_harq_process(dlsch0_harq, dlsch0->current_harq_pid, dlsch_config_pdu->ndi, dlsch_config_pdu->rv, dlsch0->rnti_type); if (dlsch0_harq->status != ACTIVE) { // dlsch0_harq->status not ACTIVE due to false retransmission // Reset the following flag to skip PDSCH procedures in that case and retrasmit harq status dlsch0->active = 0; update_harq_status(module_id,dlsch0->current_harq_pid,dlsch0_harq->ack); } /* PTRS */ dlsch0_harq->PTRSFreqDensity = dlsch_config_pdu->PTRSFreqDensity; dlsch0_harq->PTRSTimeDensity = dlsch_config_pdu->PTRSTimeDensity; dlsch0_harq->PTRSPortIndex = dlsch_config_pdu->PTRSPortIndex; dlsch0_harq->nEpreRatioOfPDSCHToPTRS = dlsch_config_pdu->nEpreRatioOfPDSCHToPTRS; dlsch0_harq->PTRSReOffset = dlsch_config_pdu->PTRSReOffset; dlsch0_harq->pduBitmap = dlsch_config_pdu->pduBitmap; LOG_D(MAC, ">>>> \tdlsch0->g_pucch = %d\tdlsch0_harq.mcs = %d\n", dlsch0->g_pucch, dlsch0_harq->mcs); } } } dl_config->number_pdus = 0; } if (scheduled_response->ul_config != NULL){ fapi_nr_ul_config_request_t *ul_config = scheduled_response->ul_config; pthread_mutex_lock(&ul_config->mutex_ul_config); for (i = 0; i < ul_config->number_pdus; ++i){ AssertFatal(ul_config->ul_config_list[i].pdu_type <= FAPI_NR_UL_CONFIG_TYPES,"pdu_type %d out of bounds\n",ul_config->ul_config_list[i].pdu_type); LOG_D(PHY, "In %s: processing %s PDU of %d total UL PDUs (ul_config %p) \n", __FUNCTION__, ul_pdu_type[ul_config->ul_config_list[i].pdu_type - 1], ul_config->number_pdus, ul_config); uint8_t pdu_type = ul_config->ul_config_list[i].pdu_type, current_harq_pid, gNB_id = 0; /* PRACH */ //NR_PRACH_RESOURCES_t *prach_resources; fapi_nr_ul_config_prach_pdu *prach_config_pdu; /* PUSCH */ nfapi_nr_ue_pusch_pdu_t *pusch_config_pdu; /* PUCCH */ fapi_nr_ul_config_pucch_pdu *pucch_config_pdu; switch (pdu_type){ case (FAPI_NR_UL_CONFIG_TYPE_PUSCH): // pusch config pdu pusch_config_pdu = &ul_config->ul_config_list[i].pusch_config_pdu; current_harq_pid = pusch_config_pdu->pusch_data.harq_process_id; NR_UL_UE_HARQ_t *harq_process_ul_ue = ulsch0->harq_processes[current_harq_pid]; harq_process_ul_ue->status = 0; if (harq_process_ul_ue){ nfapi_nr_ue_pusch_pdu_t *pusch_pdu = &harq_process_ul_ue->pusch_pdu; memcpy(pusch_pdu, pusch_config_pdu, sizeof(nfapi_nr_ue_pusch_pdu_t)); ulsch0->f_pusch = pusch_config_pdu->absolute_delta_PUSCH; if (scheduled_response->tx_request) { for (int j=0; j<scheduled_response->tx_request->number_of_pdus; j++) { fapi_nr_tx_request_body_t *tx_req_body = &scheduled_response->tx_request->tx_request_body[j]; if (tx_req_body->pdu_index == i) { LOG_D(PHY,"%d.%d Copying %d bytes to harq_process_ul_ue->a (harq_pid %d)\n",scheduled_response->frame,slot,tx_req_body->pdu_length,current_harq_pid); memcpy(harq_process_ul_ue->a, tx_req_body->pdu, tx_req_body->pdu_length); harq_process_ul_ue->status = ACTIVE; break; } } } } else { LOG_E(PHY, "[phy_procedures_nrUE_TX] harq_process_ul_ue is NULL !!\n"); return -1; } break; case (FAPI_NR_UL_CONFIG_TYPE_PUCCH): found = false; pucch_config_pdu = &ul_config->ul_config_list[i].pucch_config_pdu; for(int j=0; j<2; j++) { if(pucch_vars->active[j] == false) { LOG_D(PHY,"%d.%d Copying pucch pdu to UE PHY\n",scheduled_response->frame,slot); memcpy((void*)&(pucch_vars->pucch_pdu[j]), (void*)pucch_config_pdu, sizeof(fapi_nr_ul_config_pucch_pdu)); pucch_vars->active[j] = true; found = true; break; } } if (!found) LOG_E(PHY, "Couldn't find allocation for PUCCH PDU in PUCCH VARS\n"); break; case (FAPI_NR_UL_CONFIG_TYPE_PRACH): // prach config pdu prach_config_pdu = &ul_config->ul_config_list[i].prach_config_pdu; memcpy((void*)&(PHY_vars_UE_g[module_id][cc_id]->prach_vars[gNB_id]->prach_pdu), (void*)prach_config_pdu, sizeof(fapi_nr_ul_config_prach_pdu)); break; default: break; } } if (scheduled_response->tx_request) scheduled_response->tx_request->number_of_pdus = 0; //ul_config->sfn = 0; //ul_config->slot = 0; ul_config->sfn = 0; ul_config->slot = 0; ul_config->number_pdus = 0; memset(ul_config->ul_config_list, 0, sizeof(ul_config->ul_config_list)); pthread_mutex_unlock(&ul_config->mutex_ul_config); } } return 0; } int8_t nr_ue_phy_config_request(nr_phy_config_t *phy_config){ fapi_nr_config_request_t *nrUE_config = &PHY_vars_UE_g[phy_config->Mod_id][phy_config->CC_id]->nrUE_config; if(phy_config != NULL) { memcpy(nrUE_config,&phy_config->config_req,sizeof(fapi_nr_config_request_t)); if (PHY_vars_UE_g[phy_config->Mod_id][phy_config->CC_id]->UE_mode[0] == NOT_SYNCHED) PHY_vars_UE_g[phy_config->Mod_id][phy_config->CC_id]->UE_mode[0] = PRACH; } return 0; }