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openairinterface5g/openair2/NR_PHY_INTERFACE/NR_IF_Module.c
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/*
* 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 openair2/NR_PHY_INTERFACE/NR_IF_Module.c
* \brief data structures for PHY/MAC interface modules
* \author EURECOM/NTUST
* \date 2018
* \version 0.1
* \company Eurecom, NTUST
* \email: raymond.knopp@eurecom.fr, kroempa@gmail.com
* \note
* \warning
*/
#include "openair1/PHY/defs_eNB.h"
#include "openair1/PHY/phy_extern.h"
#include "openair1/SCHED_NR/fapi_nr_l1.h"
#include "openair2/NR_PHY_INTERFACE/NR_IF_Module.h"
#include "LAYER2/MAC/mac_extern.h"
#include "LAYER2/MAC/mac_proto.h"
#include "LAYER2/NR_MAC_gNB/mac_proto.h"
#include "common/ran_context.h"
#define MAX_IF_MODULES 100
NR_IF_Module_t *if_inst[MAX_IF_MODULES];
NR_Sched_Rsp_t Sched_INFO[MAX_IF_MODULES][MAX_NUM_CCs];
extern int oai_nfapi_harq_indication(nfapi_harq_indication_t *harq_ind);
extern int oai_nfapi_crc_indication(nfapi_crc_indication_t *crc_ind);
extern int oai_nfapi_cqi_indication(nfapi_cqi_indication_t *cqi_ind);
extern int oai_nfapi_sr_indication(nfapi_sr_indication_t *ind);
extern int oai_nfapi_rx_ind(nfapi_rx_indication_t *ind);
extern uint8_t nfapi_mode;
extern uint16_t sf_ahead;
void handle_nr_rach(NR_UL_IND_t *UL_info) {
int i;
if (UL_info->rach_ind.rach_indication_body.number_of_preambles>0) {
AssertFatal(UL_info->rach_ind.rach_indication_body.number_of_preambles==1,"More than 1 preamble not supported\n");
UL_info->rach_ind.rach_indication_body.number_of_preambles=0;
LOG_D(MAC,"UL_info[Frame %d, Slot %d] Calling initiate_ra_proc RACH:SFN/SF:%d\n",UL_info->frame,UL_info->slot, NFAPI_SFNSF2DEC(UL_info->rach_ind.sfn_sf));
initiate_ra_proc(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rach_ind.sfn_sf),
NFAPI_SFNSF2SF(UL_info->rach_ind.sfn_sf),
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.preamble,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.timing_advance,
UL_info->rach_ind.rach_indication_body.preamble_list[0].preamble_rel8.rnti
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,0
#endif
);
}
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
if (UL_info->rach_ind_br.rach_indication_body.number_of_preambles>0) {
AssertFatal(UL_info->rach_ind_br.rach_indication_body.number_of_preambles<5,"More than 4 preambles not supported\n");
for (i=0;i<UL_info->rach_ind_br.rach_indication_body.number_of_preambles;i++) {
AssertFatal(UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel13.rach_resource_type>0,
"Got regular PRACH preamble, not BL/CE\n");
LOG_D(MAC,"Frame %d, Slot %d Calling initiate_ra_proc (CE_level %d)\n",UL_info->frame,UL_info->slot,
UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel13.rach_resource_type-1);
initiate_ra_proc(UL_info->module_id,
UL_info->CC_id,
UL_info->frame,
UL_info->slot,
UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel8.preamble,
UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel8.timing_advance,
UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel8.rnti,
UL_info->rach_ind_br.rach_indication_body.preamble_list[i].preamble_rel13.rach_resource_type);
}
UL_info->rach_ind_br.rach_indication_body.number_of_preambles=0;
}
#endif
}
void handle_nr_sr(NR_UL_IND_t *UL_info) {
int i;
if (nfapi_mode == 1) // PNF
{
if (UL_info->sr_ind.sr_indication_body.number_of_srs>0)
{
oai_nfapi_sr_indication(&UL_info->sr_ind);
}
}
else
{
for (i=0;i<UL_info->sr_ind.sr_indication_body.number_of_srs;i++)
SR_indication(UL_info->module_id,
UL_info->CC_id,
UL_info->frame,
UL_info->slot,
UL_info->sr_ind.sr_indication_body.sr_pdu_list[i].rx_ue_information.rnti,
UL_info->sr_ind.sr_indication_body.sr_pdu_list[i].ul_cqi_information.ul_cqi);
}
UL_info->sr_ind.sr_indication_body.number_of_srs=0;
}
void handle_nr_cqi(NR_UL_IND_t *UL_info) {
int i;
if (nfapi_mode == 1)
{
if (UL_info->cqi_ind.number_of_cqis>0)
{
LOG_D(PHY,"UL_info->cqi_ind.number_of_cqis:%d\n", UL_info->cqi_ind.number_of_cqis);
nfapi_cqi_indication_t ind;
ind.header.message_id = NFAPI_RX_CQI_INDICATION;
ind.sfn_sf = UL_info->frame<<4 | UL_info->slot;
ind.cqi_indication_body = UL_info->cqi_ind;
oai_nfapi_cqi_indication(&ind);
UL_info->cqi_ind.number_of_cqis=0;
}
}
else
{
for (i=0;i<UL_info->cqi_ind.number_of_cqis;i++)
cqi_indication(UL_info->module_id,
UL_info->CC_id,
UL_info->frame,
UL_info->slot,
UL_info->cqi_ind.cqi_pdu_list[i].rx_ue_information.rnti,
&UL_info->cqi_ind.cqi_pdu_list[i].cqi_indication_rel9,
UL_info->cqi_ind.cqi_raw_pdu_list[i].pdu,
&UL_info->cqi_ind.cqi_pdu_list[i].ul_cqi_information);
UL_info->cqi_ind.number_of_cqis=0;
}
}
void handle_nr_harq(NR_UL_IND_t *UL_info) {
int i;
if (nfapi_mode == 1 && UL_info->harq_ind.harq_indication_body.number_of_harqs>0) // PNF
{
//LOG_D(PHY, "UL_info->harq_ind.harq_indication_body.number_of_harqs:%d Send to VNF\n", UL_info->harq_ind.harq_indication_body.number_of_harqs);
int retval = oai_nfapi_harq_indication(&UL_info->harq_ind);
if (retval!=0)
{
LOG_E(PHY, "Failed to encode NFAPI HARQ_IND retval:%d\n", retval);
}
UL_info->harq_ind.harq_indication_body.number_of_harqs = 0;
}
else
{
for (i=0;i<UL_info->harq_ind.harq_indication_body.number_of_harqs;i++)
harq_indication(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->harq_ind.sfn_sf),
NFAPI_SFNSF2SF(UL_info->harq_ind.sfn_sf),
&UL_info->harq_ind.harq_indication_body.harq_pdu_list[i]);
UL_info->harq_ind.harq_indication_body.number_of_harqs=0;
}
}
void handle_nr_ulsch(NR_UL_IND_t *UL_info) {
int i,j;
if(nfapi_mode == 1)
{
if (UL_info->crc_ind.crc_indication_body.number_of_crcs>0)
{
//LOG_D(PHY,"UL_info->crc_ind.crc_indication_body.number_of_crcs:%d CRC_IND:SFN/SF:%d\n", UL_info->crc_ind.crc_indication_body.number_of_crcs, NFAPI_SFNSF2DEC(UL_info->crc_ind.sfn_sf));
oai_nfapi_crc_indication(&UL_info->crc_ind);
UL_info->crc_ind.crc_indication_body.number_of_crcs = 0;
}
if (UL_info->rx_ind.rx_indication_body.number_of_pdus>0)
{
//LOG_D(PHY,"UL_info->rx_ind.number_of_pdus:%d RX_IND:SFN/SF:%d\n", UL_info->rx_ind.rx_indication_body.number_of_pdus, NFAPI_SFNSF2DEC(UL_info->rx_ind.sfn_sf));
oai_nfapi_rx_ind(&UL_info->rx_ind);
UL_info->rx_ind.rx_indication_body.number_of_pdus = 0;
}
}
else
{
if (UL_info->rx_ind.rx_indication_body.number_of_pdus>0 && UL_info->crc_ind.crc_indication_body.number_of_crcs>0) {
for (i=0;i<UL_info->rx_ind.rx_indication_body.number_of_pdus;i++) {
for (j=0;j<UL_info->crc_ind.crc_indication_body.number_of_crcs;j++) {
// find crc_indication j corresponding rx_indication i
LOG_D(PHY,"UL_info->crc_ind.crc_indication_body.crc_pdu_list[%d].rx_ue_information.rnti:%04x UL_info->rx_ind.rx_indication_body.rx_pdu_list[%d].rx_ue_information.rnti:%04x\n", j, UL_info->crc_ind.crc_indication_body.crc_pdu_list[j].rx_ue_information.rnti, i, UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti);
if (UL_info->crc_ind.crc_indication_body.crc_pdu_list[j].rx_ue_information.rnti ==
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti) {
LOG_D(PHY, "UL_info->crc_ind.crc_indication_body.crc_pdu_list[%d].crc_indication_rel8.crc_flag:%d\n", j, UL_info->crc_ind.crc_indication_body.crc_pdu_list[j].crc_indication_rel8.crc_flag);
if (UL_info->crc_ind.crc_indication_body.crc_pdu_list[j].crc_indication_rel8.crc_flag == 1) { // CRC error indication
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC error) \n",UL_info->frame,UL_info->slot);
rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
(uint8_t *)NULL,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
}
else {
LOG_D(MAC,"Frame %d, Slot %d Calling rx_sdu (CRC ok) \n",UL_info->frame,UL_info->slot);
rx_sdu(UL_info->module_id,
UL_info->CC_id,
NFAPI_SFNSF2SFN(UL_info->rx_ind.sfn_sf), //UL_info->frame,
NFAPI_SFNSF2SF(UL_info->rx_ind.sfn_sf), //UL_info->slot,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_ue_information.rnti,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].data,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.length,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.timing_advance,
UL_info->rx_ind.rx_indication_body.rx_pdu_list[i].rx_indication_rel8.ul_cqi);
}
break;
} //if (UL_info->crc_ind.crc_pdu_list[j].rx_ue_information.rnti ==
// UL_info->rx_ind.rx_pdu_list[i].rx_ue_information.rnti)
} // for (j=0;j<UL_info->crc_ind.crc_indication_body.number_of_crcs;j++)
} // for (i=0;i<UL_info->rx_ind.number_of_pdus;i++)
UL_info->crc_ind.crc_indication_body.number_of_crcs=0;
UL_info->rx_ind.rx_indication_body.number_of_pdus = 0;
} // UL_info->rx_ind.rx_indication_body.number_of_pdus>0 && UL_info->slot && UL_info->crc_ind.crc_indication_body.number_of_crcs>0
else if (UL_info->rx_ind.rx_indication_body.number_of_pdus!=0 || UL_info->crc_ind.crc_indication_body.number_of_crcs!=0) {
LOG_E(PHY,"hoping not to have mis-match between CRC ind and RX ind - hopefully the missing message is coming shortly rx_ind:%d(SFN/SF:%05d) crc_ind:%d(SFN/SF:%05d) UL_info(SFN/SF):%04d%d\n",
UL_info->rx_ind.rx_indication_body.number_of_pdus, NFAPI_SFNSF2DEC(UL_info->rx_ind.sfn_sf),
UL_info->crc_ind.crc_indication_body.number_of_crcs, NFAPI_SFNSF2DEC(UL_info->crc_ind.sfn_sf),
UL_info->frame, UL_info->slot);
}
}
}
void NR_UL_indication(NR_UL_IND_t *UL_info)
{
AssertFatal(UL_info!=NULL,"UL_INFO is null\n");
#ifdef DUMP_FAPI
dump_ul(UL_info);
#endif
module_id_t module_id = UL_info->module_id;
int CC_id = UL_info->CC_id;
NR_Sched_Rsp_t *sched_info = &Sched_INFO[module_id][CC_id];
NR_IF_Module_t *ifi = if_inst[module_id];
gNB_MAC_INST *mac = RC.nrmac[module_id];
LOG_D(PHY,"SFN/SF:%d%d module_id:%d CC_id:%d UL_info[rx_ind:%d harqs:%d crcs:%d cqis:%d preambles:%d sr_ind:%d]\n",
UL_info->frame,UL_info->slot,
module_id,CC_id,
UL_info->rx_ind.rx_indication_body.number_of_pdus, UL_info->harq_ind.harq_indication_body.number_of_harqs, UL_info->crc_ind.crc_indication_body.number_of_crcs, UL_info->cqi_ind.number_of_cqis, UL_info->rach_ind.rach_indication_body.number_of_preambles, UL_info->sr_ind.sr_indication_body.number_of_srs);
if (nfapi_mode != 1)
{
if (ifi->CC_mask==0) {
ifi->current_frame = UL_info->frame;
ifi->current_slot = UL_info->slot;
}
else {
AssertFatal(UL_info->frame != ifi->current_frame,"CC_mask %x is not full and frame has changed\n",ifi->CC_mask);
AssertFatal(UL_info->slot != ifi->current_slot,"CC_mask %x is not full and slot has changed\n",ifi->CC_mask);
}
ifi->CC_mask |= (1<<CC_id);
}
// clear DL/UL info for new scheduling round
clear_nr_nfapi_information(mac,CC_id,UL_info->frame,UL_info->slot);
handle_nr_rach(UL_info);
handle_nr_sr(UL_info);
handle_nr_cqi(UL_info);
handle_nr_harq(UL_info);
// clear HI prior to handling ULSCH
mac->HI_DCI0_req[CC_id].hi_dci0_request_body.number_of_hi = 0;
handle_nr_ulsch(UL_info);
if (nfapi_mode != 1)
{
if (ifi->CC_mask == ((1<<MAX_NUM_CCs)-1)) {
/*
eNB_dlsch_ulsch_scheduler(module_id,
(UL_info->frame+((UL_info->slot>(9-sf_ahead))?1:0)) % 1024,
(UL_info->slot+sf_ahead)%10);
*/
nfapi_nr_config_request_t *cfg = &mac->config[CC_id];
int spf = get_spf(cfg);
gNB_dlsch_ulsch_scheduler(module_id,
(UL_info->frame+((UL_info->slot>(spf-1-sf_ahead))?1:0)) % 1024,
(UL_info->slot+sf_ahead)%spf);
ifi->CC_mask = 0;
sched_info->module_id = module_id;
sched_info->CC_id = CC_id;
sched_info->frame = (UL_info->frame + ((UL_info->slot>(spf-1-sf_ahead)) ? 1 : 0)) % 1024;
sched_info->slot = (UL_info->slot+sf_ahead)%spf;
sched_info->DL_req = &mac->DL_req[CC_id];
sched_info->HI_DCI0_req = &mac->HI_DCI0_req[CC_id];
if ((mac->common_channels[CC_id].tdd_Config==NULL) ||
(is_nr_UL_slot(&mac->common_channels[CC_id],(sched_info->slot+sf_ahead)%spf)>0))
sched_info->UL_req = &mac->UL_req[CC_id];
else
sched_info->UL_req = NULL;
sched_info->TX_req = &mac->TX_req[CC_id];
#ifdef DUMP_FAPI
dump_dl(sched_info);
#endif
if (ifi->NR_Schedule_response)
{
AssertFatal(ifi->NR_Schedule_response!=NULL,
"nr_schedule_response is null (mod %d, cc %d)\n",
module_id,
CC_id);
ifi->NR_Schedule_response(sched_info);
}
LOG_D(PHY,"NR_Schedule_response: SFN_SF:%d%d dl_pdus:%d\n",sched_info->frame,sched_info->slot,sched_info->DL_req->dl_config_request_body.number_pdu);
}
}
}
NR_IF_Module_t *NR_IF_Module_init(int Mod_id){
AssertFatal(Mod_id<MAX_MODULES,"Asking for Module %d > %d\n",Mod_id,MAX_IF_MODULES);
LOG_D(PHY,"Installing callbacks for IF_Module - UL_indication\n");
if (if_inst[Mod_id]==NULL) {
if_inst[Mod_id] = (NR_IF_Module_t*)malloc(sizeof(NR_IF_Module_t));
memset((void*)if_inst[Mod_id],0,sizeof(NR_IF_Module_t));
if_inst[Mod_id]->CC_mask=0;
if_inst[Mod_id]->NR_UL_indication = NR_UL_indication;
AssertFatal(pthread_mutex_init(&if_inst[Mod_id]->if_mutex,NULL)==0,
"allocation of if_inst[%d]->if_mutex fails\n",Mod_id);
}
return if_inst[Mod_id];
}
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