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openairinterface5g/openair2/LAYER2/NR_MAC_gNB/config.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 config.c
* \brief gNB configuration performed by RRC or as a consequence of RRC procedures
* \author Navid Nikaein and Raymond Knopp, WEI-TAI CHEN
* \date 2010 - 2014, 2018
* \version 0.1
* \company Eurecom, NTUST
* \email: navid.nikaein@eurecom.fr, kroempa@gmail.com
* @ingroup _mac
*/
#include "COMMON/platform_types.h"
#include "COMMON/platform_constants.h"
#include "common/ran_context.h"
#include "common/utils/LOG/log.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "NR_BCCH-BCH-Message.h"
#include "NR_ServingCellConfigCommon.h"
#include "LAYER2/NR_MAC_gNB/mac_proto.h"
#include "NR_MIB.h"
extern RAN_CONTEXT_t RC;
//extern int l2_init_gNB(void);
extern void mac_top_init_gNB(void);
extern uint8_t nfapi_mode;
//int32_t **rxdata;
//int32_t **txdata;
extern nr_bandentry_t *nr_bandtable;
uint32_t to_nrarfcn(int nr_bandP, uint64_t dl_CarrierFreq, uint32_t bw)
{
uint64_t dl_CarrierFreq_by_1k = dl_CarrierFreq / 1000;
int bw_kHz = bw / 1000;
int i;
LOG_I(MAC,"Searching for nr band %d DL Carrier frequency %llu bw %u\n",nr_bandP,(long long unsigned int)dl_CarrierFreq,bw);
AssertFatal(nr_bandP < 86, "nr_band %d > 86\n", nr_bandP);
for (i = 0; i < 30 && nr_bandtable[i].band != nr_bandP; i++);
AssertFatal(dl_CarrierFreq_by_1k >= nr_bandtable[i].dl_min,
"Band %d, bw %u : DL carrier frequency %llu kHz < %llu\n",
nr_bandP, bw, (long long unsigned int)dl_CarrierFreq_by_1k,
(long long unsigned int)nr_bandtable[i].dl_min);
AssertFatal(dl_CarrierFreq_by_1k <=
(nr_bandtable[i].dl_max - bw_kHz),
"Band %d, dl_CarrierFreq %llu bw %u: DL carrier frequency %llu kHz > %llu\n",
nr_bandP, (long long unsigned int)dl_CarrierFreq,bw, (long long unsigned int)dl_CarrierFreq_by_1k,
(long long unsigned int)(nr_bandtable[i].dl_max - bw_kHz));
int deltaFglobal;
if (dl_CarrierFreq < 3e9) deltaFglobal = 5;
else deltaFglobal = 15;
// This is equation before Table 5.4.2.1-1 in 38101-1-f30
// F_REF=F_REF_Offs + deltaF_Global(N_REF-NREF_REF_Offs)
return (((dl_CarrierFreq_by_1k - nr_bandtable[i].dl_min)/deltaFglobal) +
nr_bandtable[i].N_OFFs_DL);
}
uint64_t from_nrarfcn(int nr_bandP, uint32_t dl_nrarfcn)
{
int i;
int deltaFglobal;
if (nr_bandP < 77 || nr_bandP > 79) deltaFglobal = 5;
else deltaFglobal = 15;
AssertFatal(nr_bandP < 87, "nr_band %d > 86\n", nr_bandP);
for (i = 0; i < 31 && nr_bandtable[i].band != nr_bandP; i++);
AssertFatal(dl_nrarfcn>=nr_bandtable[i].N_OFFs_DL,"dl_nrarfcn %u < N_OFFs_DL %llu\n",dl_nrarfcn, (long long unsigned int)nr_bandtable[i].N_OFFs_DL);
return 1000*(nr_bandtable[i].dl_min + (dl_nrarfcn - nr_bandtable[i].N_OFFs_DL) * deltaFglobal);
}
void config_nr_mib(int Mod_idP,
int CC_idP,
int p_gNBP,
int subCarrierSpacingCommon,
uint32_t ssb_SubcarrierOffset,
int dmrs_TypeA_Position,
uint32_t pdcch_ConfigSIB1,
int cellBarred,
int intraFreqReselection
){
nfapi_nr_config_request_t *cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
cfg->num_tlv=0;
cfg->rf_config.dl_subcarrierspacing.value = subCarrierSpacingCommon;
cfg->rf_config.dl_subcarrierspacing.tl.tag = NFAPI_NR_RF_CONFIG_DL_SUBCARRIERSPACING_TAG;
cfg->num_tlv++;
cfg->rf_config.ul_subcarrierspacing.value = subCarrierSpacingCommon;
cfg->rf_config.ul_subcarrierspacing.tl.tag = NFAPI_NR_RF_CONFIG_UL_SUBCARRIERSPACING_TAG;
cfg->num_tlv++;
cfg->sch_config.ssb_subcarrier_offset.value = ssb_SubcarrierOffset;
cfg->sch_config.ssb_subcarrier_offset.tl.tag = NFAPI_NR_SCH_CONFIG_SSB_SUBCARRIER_OFFSET_TAG;
cfg->num_tlv++;
}
void config_common(int Mod_idP,
int CC_idP,
int cellid,
int nr_bandP,
uint64_t ssb_pattern,
uint64_t dl_CarrierFreqP,
uint32_t dl_BandwidthP
){
nfapi_nr_config_request_t *cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
int mu = 1;
cfg->sch_config.physical_cell_id.value = cellid;
cfg->sch_config.ssb_scg_position_in_burst.value = ssb_pattern;
// FDD
cfg->subframe_config.duplex_mode.value = 1;
cfg->subframe_config.duplex_mode.tl.tag = NFAPI_SUBFRAME_CONFIG_DUPLEX_MODE_TAG;
cfg->num_tlv++;
/// In NR DL and UL will be different band
cfg->nfapi_config.rf_bands.number_rf_bands = 1;
cfg->nfapi_config.rf_bands.rf_band[0] = nr_bandP;
cfg->nfapi_config.rf_bands.tl.tag = NFAPI_PHY_RF_BANDS_TAG;
cfg->num_tlv++;
cfg->nfapi_config.nrarfcn.value = to_nrarfcn(nr_bandP,dl_CarrierFreqP,dl_BandwidthP*180000*(1+mu));
cfg->nfapi_config.nrarfcn.tl.tag = NFAPI_NR_NFAPI_NRARFCN_TAG;
cfg->num_tlv++;
cfg->subframe_config.numerology_index_mu.value = mu;
//cfg->subframe_config.tl.tag =
//cfg->num_tlv++;
cfg->rf_config.dl_carrier_bandwidth.value = dl_BandwidthP;
cfg->rf_config.dl_carrier_bandwidth.tl.tag = NFAPI_RF_CONFIG_DL_CHANNEL_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
LOG_I(PHY,"%s() dl_BandwidthP:%d\n", __FUNCTION__, dl_BandwidthP);
cfg->rf_config.ul_carrier_bandwidth.value = dl_BandwidthP;
cfg->rf_config.ul_carrier_bandwidth.tl.tag = NFAPI_RF_CONFIG_UL_CHANNEL_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
//cfg->sch_config.half_frame_index.value = 0; Fix in PHY
//cfg->sch_config.n_ssb_crb.value = 86; Fix in PHY
}
/*void config_servingcellconfigcommon(){
}*/
int rrc_mac_config_req_gNB(module_id_t Mod_idP,
int CC_idP,
int cellid,
int p_gNB,
int nr_bandP,
uint64_t ssb_pattern,
uint64_t dl_CarrierFreqP,
int dl_BandwidthP,
NR_BCCH_BCH_Message_t *mib,
NR_ServingCellConfigCommon_t *servingcellconfigcommon
){
if( mib != NULL ){
config_nr_mib(Mod_idP,
CC_idP,
p_gNB,
mib->message.choice.mib->subCarrierSpacingCommon,
mib->message.choice.mib->ssb_SubcarrierOffset,
mib->message.choice.mib->dmrs_TypeA_Position,
#if (NR_RRC_VERSION >= MAKE_VERSION(15, 3, 0))
mib->message.choice.mib->pdcch_ConfigSIB1.controlResourceSetZero * 16 + mib->message.choice.mib->pdcch_ConfigSIB1.searchSpaceZero,
#else
mib->message.choice.mib->pdcch_ConfigSIB1,
#endif
mib->message.choice.mib->cellBarred,
mib->message.choice.mib->intraFreqReselection
);
}// END if( mib != NULL )
if( servingcellconfigcommon != NULL ){
config_common(Mod_idP,
CC_idP,
cellid,
nr_bandP,
ssb_pattern,
dl_CarrierFreqP,
dl_BandwidthP
);
}//END if( servingcellconfigcommon != NULL )
LOG_E(MAC, "%s() %s:%d RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req:%p\n", __FUNCTION__, __FILE__, __LINE__, RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req);
// if in nFAPI mode
if ( (nfapi_mode == 1 || nfapi_mode == 2) && (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req == NULL) ){
while(RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req == NULL) {
// DJP AssertFatal(RC.nrmac[Mod_idP]->if_inst->PHY_config_req != NULL,"if_inst->phy_config_request is null\n");
usleep(100 * 1000);
printf("Waiting for PHY_config_req\n");
}
}
if (servingcellconfigcommon != NULL){
NR_PHY_Config_t phycfg;
phycfg.Mod_id = Mod_idP;
phycfg.CC_id = CC_idP;
phycfg.cfg = &RC.nrmac[Mod_idP]->config[CC_idP];
if (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req) RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req(&phycfg);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_RRC_MAC_CONFIG, VCD_FUNCTION_OUT);
}
return(0);
}// END rrc_mac_config_req_gNB
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