maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
bb044cf9403825c1b92898392577dcd950448b22
openairinterface5g/openair1/SCHED_NR/fapi_nr_l1.c
T

274 lines
12 KiB
C
Raw Blame History

/*
* 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 "common/ran_context.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"
#include "openair2/NR_PHY_INTERFACE/nr_sched_response.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(processingData_L1tx_t *msgTx,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);
uint8_t i_ssb = dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.SsbBlockIndex;
LOG_D(NR_PHY,"%d.%d : ssb index %d pbch_pdu: %x\n",frame,slot,i_ssb,dl_tti_pdu->ssb_pdu.ssb_pdu_rel15.bchPayload);
if (msgTx->ssb[i_ssb].active)
AssertFatal(1==0,"SSB PDU with index %d already active\n",i_ssb);
else {
msgTx->ssb[i_ssb].active = true;
memcpy((void*)&msgTx->ssb[i_ssb].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_csirs_pdu(processingData_L1tx_t *msgTx, int frame, int slot, nfapi_nr_dl_tti_csi_rs_pdu *csirs_pdu)
{
int found = 0;
for (int id = 0; id < NR_SYMBOLS_PER_SLOT; id++) {
NR_gNB_CSIRS_t *csirs = &msgTx->csirs_pdu[id];
if (csirs->active == 0) {
LOG_D(NR_PHY,"Frame %d Slot %d CSI_RS with ID %d is now active\n",frame,slot,id);
csirs->active = 1;
memcpy((void*)&csirs->csirs_pdu, (void*)csirs_pdu, sizeof(nfapi_nr_dl_tti_csi_rs_pdu));
found = 1;
break;
}
}
if (found == 0)
LOG_E(MAC,"CSI-RS list is full\n");
}
void handle_nr_nfapi_pdsch_pdu(processingData_L1tx_t *msgTx,
nfapi_nr_dl_tti_pdsch_pdu *pdsch_pdu,
uint8_t *sdu)
{
nr_fill_dlsch(msgTx,pdsch_pdu,sdu);
}
void nr_schedule_response(NR_Sched_Rsp_t *Sched_INFO)
{
// 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);
PHY_VARS_gNB *gNB = RC.gNB[Mod_id];
start_meas(&gNB->schedule_response_stats);
nfapi_nr_config_request_scf_t *cfg = &gNB->gNB_config;
int slot_type = nr_slot_select(cfg,frame,slot);
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;
uint8_t number_tx_data_pdu = (TX_req == NULL) ? 0 : TX_req->Number_of_PDUs;
if (NFAPI_MODE == NFAPI_MONOLITHIC){
if (slot_type == NR_DOWNLINK_SLOT || slot_type == NR_MIXED_SLOT) {
notifiedFIFO_elt_t *res=NULL;
processingData_L1tx_t *msgTx=NULL;
if (!gNB->reorder_thread_disable) {
res = pullNotifiedFIFO(&gNB->L1_tx_free);
if (res == NULL)
return; // Tpool has been stopped, nothing to process
msgTx = (processingData_L1tx_t *)NotifiedFifoData(res);
} else {
msgTx = gNB->msgDataTx; //newNotifiedFIFO_elt(sizeof(processingData_L1tx_t),0, &gNB->L1_tx_out,NULL);
}
/*const time_stats_t ts = exec_time_stats_NotifiedFIFO(res);
merge_meas(&gNB->phy_proc_tx, &ts);
*/
msgTx->num_pdsch_slot = 0;
msgTx->num_dl_pdcch = 0;
msgTx->num_ul_pdcch = number_ul_dci_pdu;
msgTx->slot = slot;
msgTx->frame = frame;
/* store the sched_response_id for the TX thread to release it when done */
msgTx->sched_response_id = Sched_INFO->sched_response_id;
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(NR_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:
handle_nr_nfapi_ssb_pdu(msgTx,frame,slot,
dl_tti_pdu);
break;
case NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE:
LOG_D(NR_PHY,"frame %d, slot %d, Got NFAPI_NR_DL_TTI_PDCCH_PDU_TYPE for %d.%d\n",frame,slot,DL_req->SFN,DL_req->Slot);
msgTx->pdcch_pdu[msgTx->num_dl_pdcch] = dl_tti_pdu->pdcch_pdu;
msgTx->num_dl_pdcch++;
break;
case NFAPI_NR_DL_TTI_CSI_RS_PDU_TYPE:
LOG_D(NR_PHY,"frame %d, slot %d, Got NFAPI_NR_DL_TTI_CSI_RS_PDU_TYPE for %d.%d\n",frame,slot,DL_req->SFN,DL_req->Slot);
handle_nfapi_nr_csirs_pdu(msgTx,frame,slot,&dl_tti_pdu->csi_rs_pdu);
break;
case NFAPI_NR_DL_TTI_PDSCH_PDU_TYPE:
LOG_D(NR_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;
AssertFatal(msgTx->num_pdsch_slot < gNB->max_nb_pdsch,
"Number of PDSCH PDUs %d exceeded the limit %d\n",
msgTx->num_pdsch_slot,
gNB->max_nb_pdsch);
handle_nr_nfapi_pdsch_pdu(msgTx,&dl_tti_pdu->pdsch_pdu, sdu);
}
}
for (int i=0; i<number_ul_dci_pdu; i++)
msgTx->ul_pdcch_pdu[i] = UL_dci_req->ul_dci_pdu_list[i];
/* Both the current thread and the TX thread will access the sched_info
* at the same time, so increase its reference counter, so that it is
* released only when both threads are done with it.
*/
inc_ref_sched_response(Sched_INFO->sched_response_id);
if (!gNB->reorder_thread_disable)
pushNotifiedFIFO(&gNB->L1_tx_filled,res);
}
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(NR_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(NR_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(NR_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 ||
gNB->RU_list[0]->if_south == REMOTE_IF5) nr_fill_prach_ru(gNB->RU_list[0], UL_tti_req->SFN, UL_tti_req->Slot, prach_pdu);
break;
case NFAPI_NR_UL_CONFIG_SRS_PDU_TYPE:
LOG_D(NR_PHY,"frame %d, slot %d, Got NFAPI_NR_UL_CONFIG_SRS_PDU_TYPE for %d.%d\n", frame, slot, UL_tti_req->SFN, UL_tti_req->Slot);
nr_fill_srs(gNB,UL_tti_req->SFN, UL_tti_req->Slot, &UL_tti_req->pdus_list[i].srs_pdu);
break;
}
}
}
if (NFAPI_MODE == NFAPI_MODE_VNF) { //If VNF, oai_nfapi functions send respective p7 msgs to PNF for which nPDUs is greater than 0
if(number_ul_tti_pdu>0)
oai_nfapi_ul_tti_req(UL_tti_req);
if (number_ul_dci_pdu>0)
oai_nfapi_ul_dci_req(UL_dci_req);
if (number_tx_data_pdu>0)
oai_nfapi_tx_data_req(TX_req);
if (number_dl_pdu>0)
oai_nfapi_dl_tti_req(DL_req);
}
/* this thread is done with the sched_info, decrease the reference counter */
deref_sched_response(Sched_INFO->sched_response_id);
stop_meas(&gNB->schedule_response_stats);
}
Reference in New Issue View Git Blame Copy Permalink