/* * 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_l1.c * \brief functions for FAPI L1 interface * \author R. Knopp, WEI-TAI CHEN * \date 2017, 2018 * \version 0.1 * \company Eurecom, NTUST * \email: knopp@eurecom.fr, kroempa@gmail.com * \note * \warning */ #include "fapi_nr_l1.h" #include "PHY/NR_TRANSPORT/nr_transport_proto.h" #include "PHY/NR_TRANSPORT/nr_dlsch.h" #include "PHY/NR_TRANSPORT/nr_dci.h" #include "nfapi/oai_integration/vendor_ext.h" extern int oai_nfapi_dl_tti_req(nfapi_nr_dl_tti_request_t *dl_config_req); extern int oai_nfapi_tx_data_req(nfapi_nr_tx_data_request_t *tx_data_req); extern int oai_nfapi_ul_dci_req(nfapi_nr_ul_dci_request_t *ul_dci_req); extern int oai_nfapi_ul_tti_req(nfapi_nr_ul_tti_request_t *ul_tti_req); extern uint8_t nfapi_mode; void handle_nr_nfapi_ssb_pdu(PHY_VARS_gNB *gNB,int frame,int slot, nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdu) { AssertFatal(dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag== 1, "bchPayloadFlat %d != 1\n", dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayloadFlag); LOG_D(PHY,"%d.%d : pbch_pdu: %x\n",frame,slot,dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload); memcpy((void*)&gNB->ssb_pdu,&dl_tti_pdu->ssb_pdu,sizeof(dl_tti_pdu->ssb_pdu)); } /*void handle_nr_nfapi_pdsch_pdu(PHY_VARS_gNB *gNB,int frame,int subframe,gNB_L1_rxtx_proc_t *proc, uint8_t codeword_index, uint8_t *sdu) { int UE_id = 0; //Hardcode UE_id for now int harq_pid; NR_gNB_DLSCH_t *dlsch0=NULL, *dlsch1=NULL; NR_DL_gNB_HARQ_t *dlsch0_harq=NULL,*dlsch1_harq=NULL; // Based on nr_fill_dci_and_dlsch only gNB->dlsch[0][0] gets filled now. So maybe we do not need dlsch1. dlsch0 = gNB->dlsch[UE_id][0]; dlsch1 = gNB->dlsch[UE_id][1]; harq_pid = dlsch0->harq_ids[subframe]; dlsch0_harq = dlsch0->harq_processes[harq_pid]; dlsch1_harq = dlsch1->harq_processes[harq_pid]; //if (dlsch0_harq->round==0) { //get pointer to SDU if this a new SDU if(sdu == NULL) { LOG_E(PHY,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0 \n", frame,subframe, proc->frame_tx,proc->slot_tx); return; } //AssertFatal(sdu!=NULL,"NFAPI: SFN/SF:%04d%d proc:TX:[frame %d subframe %d]: programming dlsch for round 0, rnti %x, UE_id %d, harq_pid %d : sdu is null for pdu_index %d dlsch0_harq[round:%d SFN/SF:%d%d pdu:%p mcs:%d ndi:%d pdschstart:%d]\n", // frame,subframe, // proc->frame_tx,proc->subframe_tx,rel8->rnti,UE_id,harq_pid, // dl_tti_pdu->pdsch_pdu.pdsch_pdu_rel8.pdu_index,dlsch0_harq->round,dlsch0_harq->frame,dlsch0_harq->subframe,dlsch0_harq->pdu,dlsch0_harq->mcs,dlsch0_harq->ndi,dlsch0_harq->pdsch_start); if (codeword_index == 0) dlsch0_harq->pdu = sdu; else dlsch1_harq->pdu = sdu; LOG_I(PHY, "SFN/SF: %d/%d DLSCH PDU filled \n",frame, subframe); // } }*/ void handle_nfapi_nr_pdcch_pdu(PHY_VARS_gNB *gNB, int frame, int slot, nfapi_nr_dl_tti_pdcch_pdu *pdcch_pdu) { LOG_D(PHY,"Frame %d, Slot %d: DCI processing - proc:slot_tx:%d pdcch_pdu_rel15->numDlDci:%d\n",frame,slot, slot, pdcch_pdu->pdcch_pdu_rel15.numDlDci); // copy dci configuration into gNB structure // gNB->pdcch_pdu = pdcch_pdu; nr_fill_dci(gNB,frame,slot,pdcch_pdu); } void handle_nfapi_nr_ul_dci_pdu(PHY_VARS_gNB *gNB, int frame, int slot, nfapi_nr_ul_dci_request_pdus_t *ul_dci_request_pdu) { LOG_D(PHY,"Frame %d, Slot %d: UL DCI processing - proc:slot_tx:%d pdcch_pdu_rel15->numDlDci:%d\n",frame,slot, slot, ul_dci_request_pdu->pdcch_pdu.pdcch_pdu_rel15.numDlDci); // copy dci configuration into gNB structure // gNB->ul_dci_pdu = ul_dci_request_pdu; nr_fill_ul_dci(gNB,frame,slot,ul_dci_request_pdu); } void handle_nr_nfapi_pdsch_pdu(PHY_VARS_gNB *gNB,int frame,int slot, nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu, uint8_t *sdu) { nr_fill_dlsch(gNB,frame,slot,pdsch_pdu,sdu); } void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO){ PHY_VARS_gNB *gNB; // copy data from L2 interface into L1 structures module_id_t Mod_id = Sched_INFO->module_id; nfapi_nr_dl_tti_request_t *DL_req = Sched_INFO->DL_req; nfapi_nr_tx_data_request_t *TX_req = Sched_INFO->TX_req; nfapi_nr_ul_tti_request_t *UL_tti_req = Sched_INFO->UL_tti_req; nfapi_nr_ul_dci_request_t *UL_dci_req = Sched_INFO->UL_dci_req; frame_t frame = Sched_INFO->frame; sub_frame_t slot = Sched_INFO->slot; AssertFatal(RC.gNB!=NULL,"RC.gNB is null\n"); AssertFatal(RC.gNB[Mod_id]!=NULL,"RC.gNB[%d] is null\n",Mod_id); gNB = RC.gNB[Mod_id]; uint8_t number_dl_pdu = (DL_req==NULL) ? 0 : DL_req->dl_tti_request_body.nPDUs; uint8_t number_ul_dci_pdu = (UL_dci_req==NULL) ? 0 : UL_dci_req->numPdus; uint8_t number_ul_tti_pdu = (UL_tti_req==NULL) ? 0 : UL_tti_req->n_pdus; if (DL_req != NULL && TX_req!=NULL) LOG_D(PHY,"NFAPI: Sched_INFO:SFN/SLOT:%04d/%d DL_req:SFN/SLO:%04d/%d:dl_pdu:%d tx_req:SFN/SLOT:%04d/%d:pdus:%d;ul_dci %d ul_tti %d\n", frame,slot, DL_req->SFN,DL_req->Slot,number_dl_pdu, TX_req->SFN,TX_req->Slot,TX_req->Number_of_PDUs, number_ul_dci_pdu,number_ul_tti_pdu); int pdcch_received=0; gNB->num_pdsch_rnti[slot]=0; for (int i=0; i<NUMBER_OF_NR_DLSCH_MAX; i++) { gNB->dlsch[i][0]->rnti=0; gNB->dlsch[i][0]->harq_mask=0; } gNB->pbch_configured=0; for (int i=0;i<number_dl_pdu;i++) { nfapi_nr_dl_tti_request_pdu_t *dl_tti_pdu = &DL_req->dl_tti_request_body.dl_tti_pdu_list[i]; LOG_D(PHY,"NFAPI: dl_pdu %d : type %d\n",i,dl_tti_pdu->PDUType); switch (dl_tti_pdu->PDUType) { case NFAPI_NR_DL_TTI_SSB_PDU_TYPE: gNB->pbch_configured=1; if(NFAPI_MODE != NFAPI_MODE_VNF) handle_nr_nfapi_ssb_pdu(gNB,frame,slot, dl_tti_pdu); break; case NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE: AssertFatal(pdcch_received == 0, "pdcch_received is not 0, we can only handle one PDCCH PDU per slot\n"); if(NFAPI_MODE != NFAPI_MODE_VNF) handle_nfapi_nr_pdcch_pdu(gNB, frame, slot, &dl_tti_pdu->pdcch_pdu); pdcch_received = 1; break; case NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE: { LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE for %d.%d\n",frame,slot,DL_req->SFN,DL_req->Slot); nfapi_nr_dl_tti_pdsch_pdu_rel15_t *pdsch_pdu_rel15 = &dl_tti_pdu->pdsch_pdu.pdsch_pdu_rel15; uint16_t pduIndex = pdsch_pdu_rel15->pduIndex; AssertFatal(TX_req->pdu_list[pduIndex].num_TLV == 1, "TX_req->pdu_list[%d].num_TLV %d != 1\n", pduIndex,TX_req->pdu_list[pduIndex].num_TLV); uint8_t *sdu = (uint8_t *)TX_req->pdu_list[pduIndex].TLVs[0].value.direct; if(NFAPI_MODE != NFAPI_MODE_VNF) handle_nr_nfapi_pdsch_pdu(gNB,frame,slot,&dl_tti_pdu->pdsch_pdu, sdu); } } } // if (UL_tti_req!=NULL) memcpy(&gNB->UL_tti_req,UL_tti_req,sizeof(nfapi_nr_ul_tti_request_t)); if(NFAPI_MODE != NFAPI_MODE_VNF) for (int i=0;i<number_ul_dci_pdu;i++) { handle_nfapi_nr_ul_dci_pdu(gNB, frame, slot, &UL_dci_req->ul_dci_pdu_list[i]); } if(NFAPI_MODE != NFAPI_MODE_VNF) for (int i = 0; i < number_ul_tti_pdu; i++) { switch (UL_tti_req->pdus_list[i].pdu_type) { case NFAPI_NR_UL_CONFIG_PUSCH_PDU_TYPE: LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_TTI_PUSCH_PDU_TYPE for %d.%d\n", frame, slot, UL_tti_req->SFN, UL_tti_req->Slot); nr_fill_ulsch(gNB,UL_tti_req->SFN, UL_tti_req->Slot, &UL_tti_req->pdus_list[i].pusch_pdu); break; case NFAPI_NR_UL_CONFIG_PUCCH_PDU_TYPE: LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_TTI_PUCCH_PDU_TYPE for %d.%d\n", frame, slot, UL_tti_req->SFN, UL_tti_req->Slot); nr_fill_pucch(gNB,UL_tti_req->SFN, UL_tti_req->Slot, &UL_tti_req->pdus_list[i].pucch_pdu); break; case NFAPI_NR_UL_CONFIG_PRACH_PDU_TYPE: LOG_D(PHY,"frame %d, slot %d, Got NFAPI_NR_UL_TTI_PRACH_PDU_TYPE for %d.%d\n", frame, slot, UL_tti_req->SFN, UL_tti_req->Slot); nfapi_nr_prach_pdu_t *prach_pdu = &UL_tti_req->pdus_list[i].prach_pdu; nr_fill_prach(gNB, UL_tti_req->SFN, UL_tti_req->Slot, prach_pdu); if (gNB->RU_list[0]->if_south == LOCAL_RF) nr_fill_prach_ru(gNB->RU_list[0], UL_tti_req->SFN, UL_tti_req->Slot, prach_pdu); break; } } if(NFAPI_MODE != NFAPI_MONOLITHIC && number_ul_tti_pdu>0) { oai_nfapi_ul_tti_req(UL_tti_req); } if (NFAPI_MODE != NFAPI_MONOLITHIC && Sched_INFO->UL_dci_req->numPdus!=0) { oai_nfapi_ul_dci_req(Sched_INFO->UL_dci_req); } if (NFAPI_MODE != NFAPI_MONOLITHIC) { if(Sched_INFO->DL_req->dl_tti_request_body.nPDUs>0) { Sched_INFO->DL_req->SFN = frame; Sched_INFO->DL_req->Slot = slot; oai_nfapi_dl_tti_req(Sched_INFO->DL_req); } if (Sched_INFO->TX_req->Number_of_PDUs > 0) { oai_nfapi_tx_data_req(Sched_INFO->TX_req); } } }