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openairinterface5g/openair2/LAYER2/NR_MAC_UE/config_ue.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_ue.c
* \brief UE and eNB configuration performed by RRC or as a consequence of RRC procedures
* \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 "mac_defs.h"
#include <NR_MAC_gNB/mac_proto.h>
#include "NR_MAC_UE/mac_proto.h"
#include "NR_MAC-CellGroupConfig.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
#include "common/utils/nr/nr_common.h"
#include "executables/softmodem-common.h"
#include "SCHED_NR/phy_frame_config_nr.h"
void set_tdd_config_nr_ue(fapi_nr_config_request_t *cfg,
int mu,
NR_TDD_UL_DL_ConfigCommon_t *tdd_config) {
const int nrofDownlinkSlots = tdd_config->pattern1.nrofDownlinkSlots;
const int nrofDownlinkSymbols = tdd_config->pattern1.nrofDownlinkSymbols;
const int nrofUplinkSlots = tdd_config->pattern1.nrofUplinkSlots;
const int nrofUplinkSymbols = tdd_config->pattern1.nrofUplinkSymbols;
int slot_number = 0;
const int nb_periods_per_frame = get_nb_periods_per_frame(tdd_config->pattern1.dl_UL_TransmissionPeriodicity);
const int nb_slots_to_set = TDD_CONFIG_NB_FRAMES*(1<<mu)*NR_NUMBER_OF_SUBFRAMES_PER_FRAME;
const int nb_slots_per_period = ((1<<mu) * NR_NUMBER_OF_SUBFRAMES_PER_FRAME)/nb_periods_per_frame;
cfg->tdd_table.tdd_period_in_slots = nb_slots_per_period;
if ( (nrofDownlinkSymbols + nrofUplinkSymbols) == 0 )
AssertFatal(nb_slots_per_period == (nrofDownlinkSlots + nrofUplinkSlots),
"set_tdd_configuration_nr: given period is inconsistent with current tdd configuration, nrofDownlinkSlots %d, nrofUplinkSlots %d, nb_slots_per_period %d \n",
nrofDownlinkSlots,nrofUplinkSlots,nb_slots_per_period);
else {
AssertFatal(nrofDownlinkSymbols + nrofUplinkSymbols < 14,"illegal symbol configuration DL %d, UL %d\n",nrofDownlinkSymbols,nrofUplinkSymbols);
AssertFatal(nb_slots_per_period == (nrofDownlinkSlots + nrofUplinkSlots + 1),
"set_tdd_configuration_nr: given period is inconsistent with current tdd configuration, nrofDownlinkSlots %d, nrofUplinkSlots %d, nrofMixed slots 1, nb_slots_per_period %d \n",
nrofDownlinkSlots,nrofUplinkSlots,nb_slots_per_period);
}
cfg->tdd_table.max_tdd_periodicity_list = (fapi_nr_max_tdd_periodicity_t *) malloc(nb_slots_to_set*sizeof(fapi_nr_max_tdd_periodicity_t));
for(int memory_alloc =0 ; memory_alloc<nb_slots_to_set; memory_alloc++)
cfg->tdd_table.max_tdd_periodicity_list[memory_alloc].max_num_of_symbol_per_slot_list = (fapi_nr_max_num_of_symbol_per_slot_t *) malloc(NR_NUMBER_OF_SYMBOLS_PER_SLOT*sizeof(
fapi_nr_max_num_of_symbol_per_slot_t));
while(slot_number != nb_slots_to_set) {
if(nrofDownlinkSlots != 0) {
for (int number_of_symbol = 0; number_of_symbol < nrofDownlinkSlots*NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol%NR_NUMBER_OF_SYMBOLS_PER_SLOT].slot_config= 0;
if((number_of_symbol+1)%NR_NUMBER_OF_SYMBOLS_PER_SLOT == 0)
slot_number++;
}
}
if (nrofDownlinkSymbols != 0 || nrofUplinkSymbols != 0) {
for(int number_of_symbol =0; number_of_symbol < nrofDownlinkSymbols; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 0;
}
for(int number_of_symbol = nrofDownlinkSymbols; number_of_symbol < NR_NUMBER_OF_SYMBOLS_PER_SLOT-nrofUplinkSymbols; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 2;
}
for(int number_of_symbol = NR_NUMBER_OF_SYMBOLS_PER_SLOT-nrofUplinkSymbols; number_of_symbol < NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol].slot_config= 1;
}
slot_number++;
}
if(nrofUplinkSlots != 0) {
for (int number_of_symbol = 0; number_of_symbol < nrofUplinkSlots*NR_NUMBER_OF_SYMBOLS_PER_SLOT; number_of_symbol++) {
cfg->tdd_table.max_tdd_periodicity_list[slot_number].max_num_of_symbol_per_slot_list[number_of_symbol%NR_NUMBER_OF_SYMBOLS_PER_SLOT].slot_config= 1;
if((number_of_symbol+1)%NR_NUMBER_OF_SYMBOLS_PER_SLOT == 0)
slot_number++;
}
}
}
if (tdd_config->pattern1.ext1 == NULL) {
cfg->tdd_table.tdd_period = tdd_config->pattern1.dl_UL_TransmissionPeriodicity;
} else {
AssertFatal(tdd_config->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530 != NULL, "scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530 is null\n");
cfg->tdd_table.tdd_period = *tdd_config->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530;
}
LOG_I(NR_MAC, "TDD has been properly configured\n");
}
void config_common_ue_sa(NR_UE_MAC_INST_t *mac,
NR_ServingCellConfigCommonSIB_t *scc,
module_id_t module_id,
int cc_idP)
{
fapi_nr_config_request_t *cfg = &mac->phy_config.config_req;
mac->phy_config.Mod_id = module_id;
mac->phy_config.CC_id = cc_idP;
LOG_D(MAC, "Entering SA UE Config Common\n");
// carrier config
NR_FrequencyInfoDL_SIB_t *frequencyInfoDL = &scc->downlinkConfigCommon.frequencyInfoDL;
int bw_index = get_supported_band_index(frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
*frequencyInfoDL->frequencyBandList.list.array[0]->freqBandIndicatorNR,
frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth);
cfg->carrier_config.dl_bandwidth = get_supported_bw_mhz(*frequencyInfoDL->frequencyBandList.list.array[0]->freqBandIndicatorNR > 256 ? FR2 : FR1, bw_index);
uint64_t dl_bw_khz = (12 * frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth) *
(15 << frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing);
cfg->carrier_config.dl_frequency = (downlink_frequency[cc_idP][0]/1000) - (dl_bw_khz>>1);
for (int i = 0; i < 5; i++) {
if (i == frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.dl_grid_size[i] = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.dl_k0[i] = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.dl_grid_size[i] = 0;
cfg->carrier_config.dl_k0[i] = 0;
}
}
NR_FrequencyInfoUL_SIB_t *frequencyInfoUL = &scc->uplinkConfigCommon->frequencyInfoUL;
int UL_band_ind = frequencyInfoUL->frequencyBandList == NULL ?
*frequencyInfoDL->frequencyBandList.list.array[0]->freqBandIndicatorNR :
*frequencyInfoUL->frequencyBandList->list.array[0]->freqBandIndicatorNR;
bw_index = get_supported_band_index(frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
UL_band_ind,
frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth);
cfg->carrier_config.uplink_bandwidth = get_supported_bw_mhz(UL_band_ind > 256 ? FR2 : FR1, bw_index);
if (frequencyInfoUL->absoluteFrequencyPointA == NULL)
cfg->carrier_config.uplink_frequency = cfg->carrier_config.dl_frequency;
else
// TODO check if corresponds to what reported in SIB1
cfg->carrier_config.uplink_frequency = (downlink_frequency[cc_idP][0]/1000) + uplink_frequency_offset[cc_idP][0];
for (int i = 0; i < 5; i++) {
if (i == frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.ul_grid_size[i] = frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.ul_k0[i] = frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.ul_grid_size[i] = 0;
cfg->carrier_config.ul_k0[i] = 0;
}
}
mac->frame_type = get_frame_type(mac->nr_band, get_softmodem_params()->numerology);
// cell config
cfg->cell_config.phy_cell_id = mac->physCellId;
cfg->cell_config.frame_duplex_type = mac->frame_type;
// SSB config
cfg->ssb_config.ss_pbch_power = scc->ss_PBCH_BlockPower;
cfg->ssb_config.scs_common = get_softmodem_params()->numerology;
// SSB Table config
cfg->ssb_table.ssb_offset_point_a = frequencyInfoDL->offsetToPointA;
cfg->ssb_table.ssb_period = scc->ssb_PeriodicityServingCell;
cfg->ssb_table.ssb_subcarrier_offset = mac->ssb_subcarrier_offset;
if (mac->frequency_range == FR1){
cfg->ssb_table.ssb_mask_list[0].ssb_mask = ((uint32_t) scc->ssb_PositionsInBurst.inOneGroup.buf[0]) << 24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
}
else{
for (int i=0; i<8; i++){
if ((scc->ssb_PositionsInBurst.groupPresence->buf[0]>>(7-i))&0x01)
cfg->ssb_table.ssb_mask_list[i>>2].ssb_mask |= scc->ssb_PositionsInBurst.inOneGroup.buf[0]<<(24-8*(i%4));
}
}
// TDD Table Configuration
if (cfg->cell_config.frame_duplex_type == TDD){
set_tdd_config_nr_ue(cfg,
frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
mac->tdd_UL_DL_ConfigurationCommon);
}
// PRACH configuration
uint8_t nb_preambles = 64;
NR_RACH_ConfigCommon_t *rach_ConfigCommon = scc->uplinkConfigCommon->initialUplinkBWP.rach_ConfigCommon->choice.setup;
if(rach_ConfigCommon->totalNumberOfRA_Preambles != NULL)
nb_preambles = *rach_ConfigCommon->totalNumberOfRA_Preambles;
cfg->prach_config.prach_sequence_length = rach_ConfigCommon->prach_RootSequenceIndex.present-1;
if (rach_ConfigCommon->msg1_SubcarrierSpacing)
cfg->prach_config.prach_sub_c_spacing = *rach_ConfigCommon->msg1_SubcarrierSpacing;
else
cfg->prach_config.prach_sub_c_spacing = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
cfg->prach_config.restricted_set_config = rach_ConfigCommon->restrictedSetConfig;
switch (rach_ConfigCommon->rach_ConfigGeneric.msg1_FDM) {
case 0 :
cfg->prach_config.num_prach_fd_occasions = 1;
break;
case 1 :
cfg->prach_config.num_prach_fd_occasions = 2;
break;
case 2 :
cfg->prach_config.num_prach_fd_occasions = 4;
break;
case 3 :
cfg->prach_config.num_prach_fd_occasions = 8;
break;
default:
AssertFatal(1==0,"msg1 FDM identifier %ld undefined (0,1,2,3) \n", rach_ConfigCommon->rach_ConfigGeneric.msg1_FDM);
}
cfg->prach_config.num_prach_fd_occasions_list = (fapi_nr_num_prach_fd_occasions_t *) malloc(cfg->prach_config.num_prach_fd_occasions*sizeof(fapi_nr_num_prach_fd_occasions_t));
for (int i=0; i<cfg->prach_config.num_prach_fd_occasions; i++) {
fapi_nr_num_prach_fd_occasions_t *prach_fd_occasion = &cfg->prach_config.num_prach_fd_occasions_list[i];
prach_fd_occasion->num_prach_fd_occasions = i;
if (cfg->prach_config.prach_sequence_length)
prach_fd_occasion->prach_root_sequence_index = rach_ConfigCommon->prach_RootSequenceIndex.choice.l139;
else
prach_fd_occasion->prach_root_sequence_index = rach_ConfigCommon->prach_RootSequenceIndex.choice.l839;
prach_fd_occasion->k1 = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP.genericParameters.locationAndBandwidth, MAX_BWP_SIZE) +
rach_ConfigCommon->rach_ConfigGeneric.msg1_FrequencyStart +
(get_N_RA_RB(cfg->prach_config.prach_sub_c_spacing, frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing ) * i);
prach_fd_occasion->prach_zero_corr_conf = rach_ConfigCommon->rach_ConfigGeneric.zeroCorrelationZoneConfig;
prach_fd_occasion->num_root_sequences = compute_nr_root_seq(rach_ConfigCommon,
nb_preambles, mac->frame_type, mac->frequency_range);
//prach_fd_occasion->num_unused_root_sequences = ???
}
cfg->prach_config.ssb_per_rach = rach_ConfigCommon->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present-1;
}
void config_common_ue(NR_UE_MAC_INST_t *mac,
NR_ServingCellConfigCommon_t *scc,
module_id_t module_id,
int cc_idP)
{
fapi_nr_config_request_t *cfg = &mac->phy_config.config_req;
mac->phy_config.Mod_id = module_id;
mac->phy_config.CC_id = cc_idP;
// carrier config
LOG_D(MAC, "Entering UE Config Common\n");
AssertFatal(scc != NULL, "scc cannot be null\n");
struct NR_FrequencyInfoDL *frequencyInfoDL = scc->downlinkConfigCommon->frequencyInfoDL;
int bw_index = get_supported_band_index(frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
*frequencyInfoDL->frequencyBandList.list.array[0],
frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth);
cfg->carrier_config.dl_bandwidth = get_supported_bw_mhz(*frequencyInfoDL->frequencyBandList.list.array[0] > 256 ? FR2 : FR1, bw_index);
cfg->carrier_config.dl_frequency = from_nrarfcn(*frequencyInfoDL->frequencyBandList.list.array[0],
*scc->ssbSubcarrierSpacing,
frequencyInfoDL->absoluteFrequencyPointA)/1000; // freq in kHz
for (int i = 0; i < 5; i++) {
if (i == frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.dl_grid_size[i] = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.dl_k0[i] = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.dl_grid_size[i] = 0;
cfg->carrier_config.dl_k0[i] = 0;
}
}
struct NR_FrequencyInfoUL *frequencyInfoUL = scc->uplinkConfigCommon->frequencyInfoUL;
bw_index = get_supported_band_index(frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
*frequencyInfoUL->frequencyBandList->list.array[0],
frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth);
cfg->carrier_config.uplink_bandwidth = get_supported_bw_mhz(*frequencyInfoUL->frequencyBandList->list.array[0] > 256 ? FR2 : FR1, bw_index);
int UL_pointA;
if (frequencyInfoUL->absoluteFrequencyPointA == NULL)
UL_pointA = frequencyInfoDL->absoluteFrequencyPointA;
else
UL_pointA = *frequencyInfoUL->absoluteFrequencyPointA;
cfg->carrier_config.uplink_frequency = from_nrarfcn(*frequencyInfoUL->frequencyBandList->list.array[0],
*scc->ssbSubcarrierSpacing,
UL_pointA) / 1000; // freq in kHz
for (int i = 0; i < 5; i++) {
if (i == frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.ul_grid_size[i] = frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.ul_k0[i] = frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
}
else {
cfg->carrier_config.ul_grid_size[i] = 0;
cfg->carrier_config.ul_k0[i] = 0;
}
}
uint32_t band = *frequencyInfoDL->frequencyBandList.list.array[0];
mac->frequency_range = band<100?FR1:FR2;
frame_type_t frame_type = get_frame_type(*frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
// cell config
cfg->cell_config.phy_cell_id = *scc->physCellId;
cfg->cell_config.frame_duplex_type = frame_type;
// SSB config
cfg->ssb_config.ss_pbch_power = scc->ss_PBCH_BlockPower;
cfg->ssb_config.scs_common = *scc->ssbSubcarrierSpacing;
// SSB Table config
int scs_scaling = 1<<(cfg->ssb_config.scs_common);
if (frequencyInfoDL->absoluteFrequencyPointA < 600000)
scs_scaling = scs_scaling*3;
if (frequencyInfoDL->absoluteFrequencyPointA > 2016666)
scs_scaling = scs_scaling>>2;
uint32_t absolute_diff = (*frequencyInfoDL->absoluteFrequencySSB - frequencyInfoDL->absoluteFrequencyPointA);
cfg->ssb_table.ssb_offset_point_a = absolute_diff/(12*scs_scaling) - 10;
cfg->ssb_table.ssb_period = *scc->ssb_periodicityServingCell;
// NSA -> take ssb offset from SCS
cfg->ssb_table.ssb_subcarrier_offset = absolute_diff%(12*scs_scaling);
switch (scc->ssb_PositionsInBurst->present) {
case 1 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0] << 24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
break;
case 2 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = ((uint32_t) scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0]) << 24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
break;
case 3 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask = 0;
cfg->ssb_table.ssb_mask_list[1].ssb_mask = 0;
for (int i = 0; i < 4; i++) {
cfg->ssb_table.ssb_mask_list[0].ssb_mask += (uint32_t) scc->ssb_PositionsInBurst->choice.longBitmap.buf[3 - i] << i * 8;
cfg->ssb_table.ssb_mask_list[1].ssb_mask += (uint32_t) scc->ssb_PositionsInBurst->choice.longBitmap.buf[7 - i] << i * 8;
}
break;
default:
AssertFatal(1==0,"SSB bitmap size value %d undefined (allowed values 1,2,3) \n", scc->ssb_PositionsInBurst->present);
}
// TDD Table Configuration
if (cfg->cell_config.frame_duplex_type == TDD){
set_tdd_config_nr_ue(cfg,
frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
mac->tdd_UL_DL_ConfigurationCommon);
}
// PRACH configuration
uint8_t nb_preambles = 64;
NR_RACH_ConfigCommon_t *rach_ConfigCommon = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup;
if(rach_ConfigCommon->totalNumberOfRA_Preambles != NULL)
nb_preambles = *rach_ConfigCommon->totalNumberOfRA_Preambles;
cfg->prach_config.prach_sequence_length = rach_ConfigCommon->prach_RootSequenceIndex.present-1;
if (rach_ConfigCommon->msg1_SubcarrierSpacing)
cfg->prach_config.prach_sub_c_spacing = *rach_ConfigCommon->msg1_SubcarrierSpacing;
else
cfg->prach_config.prach_sub_c_spacing = frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
cfg->prach_config.restricted_set_config = rach_ConfigCommon->restrictedSetConfig;
switch (rach_ConfigCommon->rach_ConfigGeneric.msg1_FDM) {
case 0 :
cfg->prach_config.num_prach_fd_occasions = 1;
break;
case 1 :
cfg->prach_config.num_prach_fd_occasions = 2;
break;
case 2 :
cfg->prach_config.num_prach_fd_occasions = 4;
break;
case 3 :
cfg->prach_config.num_prach_fd_occasions = 8;
break;
default:
AssertFatal(1==0,"msg1 FDM identifier %ld undefined (0,1,2,3) \n", rach_ConfigCommon->rach_ConfigGeneric.msg1_FDM);
}
cfg->prach_config.num_prach_fd_occasions_list = (fapi_nr_num_prach_fd_occasions_t *) malloc(cfg->prach_config.num_prach_fd_occasions*sizeof(fapi_nr_num_prach_fd_occasions_t));
for (int i = 0; i < cfg->prach_config.num_prach_fd_occasions; i++) {
fapi_nr_num_prach_fd_occasions_t *prach_fd_occasion = &cfg->prach_config.num_prach_fd_occasions_list[i];
prach_fd_occasion->num_prach_fd_occasions = i;
if (cfg->prach_config.prach_sequence_length)
prach_fd_occasion->prach_root_sequence_index = rach_ConfigCommon->prach_RootSequenceIndex.choice.l139;
else
prach_fd_occasion->prach_root_sequence_index = rach_ConfigCommon->prach_RootSequenceIndex.choice.l839;
prach_fd_occasion->k1 = rach_ConfigCommon->rach_ConfigGeneric.msg1_FrequencyStart;
prach_fd_occasion->prach_zero_corr_conf = rach_ConfigCommon->rach_ConfigGeneric.zeroCorrelationZoneConfig;
prach_fd_occasion->num_root_sequences = compute_nr_root_seq(rach_ConfigCommon,
nb_preambles,
frame_type,
mac->frequency_range);
//prach_fd_occasion->num_unused_root_sequences = ???
}
cfg->prach_config.ssb_per_rach = rach_ConfigCommon->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present-1;
}
NR_SearchSpace_t *get_common_search_space(const struct NR_PDCCH_ConfigCommon__commonSearchSpaceList *commonSearchSpaceList,
const NR_UE_MAC_INST_t *mac,
const NR_SearchSpaceId_t ss_id)
{
if (ss_id == 0)
return mac->search_space_zero;
NR_SearchSpace_t *css = NULL;
for (int i = 0; i < commonSearchSpaceList->list.count; i++) {
if (commonSearchSpaceList->list.array[i]->searchSpaceId == ss_id) {
css = commonSearchSpaceList->list.array[i];
break;
}
}
AssertFatal(css, "Couldn't find CSS with Id %ld\n", ss_id);
return css;
}
void configure_ss_coreset(NR_UE_MAC_INST_t *mac,
const NR_PDCCH_ConfigCommon_t *pdcch_ConfigCommon,
const NR_PDCCH_Config_t *pdcch_Config)
{
// configuration of search spaces
if (pdcch_ConfigCommon) {
mac->otherSI_SS = pdcch_ConfigCommon->searchSpaceOtherSystemInformation ?
get_common_search_space(pdcch_ConfigCommon->commonSearchSpaceList, mac,
*pdcch_ConfigCommon->searchSpaceOtherSystemInformation) :
NULL;
mac->ra_SS = pdcch_ConfigCommon->ra_SearchSpace ?
get_common_search_space(pdcch_ConfigCommon->commonSearchSpaceList, mac,
*pdcch_ConfigCommon->ra_SearchSpace) :
NULL;
mac->paging_SS = pdcch_ConfigCommon->pagingSearchSpace ?
get_common_search_space(pdcch_ConfigCommon->commonSearchSpaceList, mac,
*pdcch_ConfigCommon->pagingSearchSpace) :
NULL;
}
if(pdcch_Config &&
pdcch_Config->searchSpacesToAddModList) {
int ss_configured = 0;
struct NR_PDCCH_Config__searchSpacesToAddModList *searchSpacesToAddModList = pdcch_Config->searchSpacesToAddModList;
for (int i = 0; i < searchSpacesToAddModList->list.count; i++) {
AssertFatal(ss_configured < FAPI_NR_MAX_SS, "Attempting to configure %d SS but only %d per BWP are allowed",
ss_configured + 1, FAPI_NR_MAX_SS);
mac->BWP_searchspaces[ss_configured] = searchSpacesToAddModList->list.array[i];
ss_configured++;
}
for (int i = ss_configured; i < FAPI_NR_MAX_SS; i++)
mac->BWP_searchspaces[i] = NULL;
}
// configuration of coresets
int cset_configured = 0;
int common_cset_id = -1;
if (pdcch_ConfigCommon &&
pdcch_ConfigCommon->commonControlResourceSet) {
mac->BWP_coresets[cset_configured] = pdcch_ConfigCommon->commonControlResourceSet;
common_cset_id = pdcch_ConfigCommon->commonControlResourceSet->controlResourceSetId;
cset_configured++;
}
if(pdcch_Config &&
pdcch_Config->controlResourceSetToAddModList) {
struct NR_PDCCH_Config__controlResourceSetToAddModList *controlResourceSetToAddModList = pdcch_Config->controlResourceSetToAddModList;
for (int i = 0; i < controlResourceSetToAddModList->list.count; i++) {
AssertFatal(cset_configured < FAPI_NR_MAX_CORESET_PER_BWP, "Attempting to configure %d CORESET but only %d per BWP are allowed",
cset_configured + 1, FAPI_NR_MAX_CORESET_PER_BWP);
// In case network reconfigures control resource set with the same ControlResourceSetId as used for commonControlResourceSet
// configured via PDCCH-ConfigCommon, the configuration from PDCCH-Config always takes precedence
if (controlResourceSetToAddModList->list.array[i]->controlResourceSetId == common_cset_id)
mac->BWP_coresets[0] = controlResourceSetToAddModList->list.array[i];
else {
mac->BWP_coresets[cset_configured] = controlResourceSetToAddModList->list.array[i];
cset_configured++;
}
}
}
for (int i = cset_configured; i < FAPI_NR_MAX_CORESET_PER_BWP; i++)
mac->BWP_coresets[i] = NULL;
}
// todo handle mac_LogicalChannelConfig
int nr_rrc_mac_config_req_ue_logicalChannelBearer(
module_id_t module_id,
int cc_idP,
uint8_t gNB_index,
long logicalChannelIdentity,
bool status){
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
mac->logicalChannelBearer_exist[logicalChannelIdentity] = status;
return 0;
}
void configure_current_BWP(NR_UE_MAC_INST_t *mac,
NR_ServingCellConfigCommonSIB_t *scc,
NR_CellGroupConfig_t *cell_group_config)
{
NR_UE_DL_BWP_t *DL_BWP = &mac->current_DL_BWP;
NR_UE_UL_BWP_t *UL_BWP = &mac->current_UL_BWP;
NR_BWP_t dl_genericParameters = {0};
NR_BWP_t ul_genericParameters = {0};
DL_BWP->n_dl_bwp = 0;
UL_BWP->n_ul_bwp = 0;
if(scc) {
DL_BWP->bwp_id = 0;
UL_BWP->bwp_id = 0;
mac->bwp_dlcommon = &scc->downlinkConfigCommon.initialDownlinkBWP;
mac->bwp_ulcommon = &scc->uplinkConfigCommon->initialUplinkBWP;
dl_genericParameters = mac->bwp_dlcommon->genericParameters;
if(scc->uplinkConfigCommon)
ul_genericParameters = scc->uplinkConfigCommon->initialUplinkBWP.genericParameters;
else
ul_genericParameters = mac->bwp_dlcommon->genericParameters;
DL_BWP->pdsch_Config = NULL;
if (mac->bwp_dlcommon->pdsch_ConfigCommon)
DL_BWP->tdaList_Common = mac->bwp_dlcommon->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
if (mac->bwp_ulcommon->pusch_ConfigCommon) {
UL_BWP->tdaList_Common = mac->bwp_ulcommon->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList;
UL_BWP->msg3_DeltaPreamble = mac->bwp_ulcommon->pusch_ConfigCommon->choice.setup->msg3_DeltaPreamble;
}
if (mac->bwp_ulcommon->pucch_ConfigCommon)
UL_BWP->pucch_ConfigCommon = mac->bwp_ulcommon->pucch_ConfigCommon->choice.setup;
if (mac->bwp_ulcommon->rach_ConfigCommon)
UL_BWP->rach_ConfigCommon = mac->bwp_ulcommon->rach_ConfigCommon->choice.setup;
if (mac->bwp_dlcommon->pdcch_ConfigCommon)
configure_ss_coreset(mac, mac->bwp_dlcommon->pdcch_ConfigCommon->choice.setup, NULL);
}
if(cell_group_config) {
if (cell_group_config->physicalCellGroupConfig) {
DL_BWP->pdsch_HARQ_ACK_Codebook = &cell_group_config->physicalCellGroupConfig->pdsch_HARQ_ACK_Codebook;
UL_BWP->harq_ACK_SpatialBundlingPUCCH = cell_group_config->physicalCellGroupConfig->harq_ACK_SpatialBundlingPUCCH;
}
if (cell_group_config->spCellConfig &&
cell_group_config->spCellConfig->spCellConfigDedicated) {
struct NR_ServingCellConfig *spCellConfigDedicated = cell_group_config->spCellConfig->spCellConfigDedicated;
UL_BWP->csi_MeasConfig = spCellConfigDedicated->csi_MeasConfig ? spCellConfigDedicated->csi_MeasConfig->choice.setup : NULL;
UL_BWP->pusch_servingcellconfig =
spCellConfigDedicated->uplinkConfig && spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig ? spCellConfigDedicated->uplinkConfig->pusch_ServingCellConfig->choice.setup : NULL;
DL_BWP->pdsch_servingcellconfig = spCellConfigDedicated->pdsch_ServingCellConfig ? spCellConfigDedicated->pdsch_ServingCellConfig->choice.setup : NULL;
if (spCellConfigDedicated->firstActiveDownlinkBWP_Id)
DL_BWP->bwp_id = *spCellConfigDedicated->firstActiveDownlinkBWP_Id;
if (spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id)
UL_BWP->bwp_id = *spCellConfigDedicated->uplinkConfig->firstActiveUplinkBWP_Id;
NR_BWP_Downlink_t *bwp_downlink = NULL;
const struct NR_ServingCellConfig__downlinkBWP_ToAddModList *bwpList = spCellConfigDedicated->downlinkBWP_ToAddModList;
if (bwpList)
DL_BWP->n_dl_bwp = bwpList->list.count;
if (bwpList && DL_BWP->bwp_id > 0) {
for (int i = 0; i < bwpList->list.count; i++) {
bwp_downlink = bwpList->list.array[i];
if(bwp_downlink->bwp_Id == DL_BWP->bwp_id)
break;
}
AssertFatal(bwp_downlink != NULL,"Couldn't find DLBWP corresponding to BWP ID %ld\n", DL_BWP->bwp_id);
dl_genericParameters = bwp_downlink->bwp_Common->genericParameters;
DL_BWP->pdsch_Config = bwp_downlink->bwp_Dedicated->pdsch_Config->choice.setup;
DL_BWP->tdaList_Common = bwp_downlink->bwp_Common->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
configure_ss_coreset(mac,
bwp_downlink->bwp_Common->pdcch_ConfigCommon ? bwp_downlink->bwp_Common->pdcch_ConfigCommon->choice.setup : NULL,
bwp_downlink->bwp_Dedicated->pdcch_Config ? bwp_downlink->bwp_Dedicated->pdcch_Config->choice.setup : NULL);
}
else {
dl_genericParameters = mac->bwp_dlcommon->genericParameters;
DL_BWP->pdsch_Config = spCellConfigDedicated->initialDownlinkBWP->pdsch_Config->choice.setup;
DL_BWP->tdaList_Common = mac->bwp_dlcommon->pdsch_ConfigCommon->choice.setup->pdsch_TimeDomainAllocationList;
configure_ss_coreset(mac,
mac->bwp_dlcommon->pdcch_ConfigCommon ? mac->bwp_dlcommon->pdcch_ConfigCommon->choice.setup : NULL,
spCellConfigDedicated->initialDownlinkBWP->pdcch_Config ? spCellConfigDedicated->initialDownlinkBWP->pdcch_Config->choice.setup : NULL);
}
UL_BWP->msg3_DeltaPreamble = mac->bwp_ulcommon->pusch_ConfigCommon->choice.setup->msg3_DeltaPreamble;
NR_BWP_Uplink_t *bwp_uplink = NULL;
const struct NR_UplinkConfig__uplinkBWP_ToAddModList *ubwpList = spCellConfigDedicated->uplinkConfig->uplinkBWP_ToAddModList;
if (ubwpList)
UL_BWP->n_ul_bwp = ubwpList->list.count;
if (ubwpList && UL_BWP->bwp_id > 0) {
for (int i = 0; i < ubwpList->list.count; i++) {
bwp_uplink = ubwpList->list.array[i];
if(bwp_uplink->bwp_Id == UL_BWP->bwp_id)
break;
}
AssertFatal(bwp_uplink != NULL,"Couldn't find ULBWP corresponding to BWP ID %ld\n",UL_BWP->bwp_id);
ul_genericParameters = bwp_uplink->bwp_Common->genericParameters;
UL_BWP->tdaList_Common = bwp_uplink->bwp_Common->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList;
UL_BWP->pusch_Config = bwp_uplink->bwp_Dedicated->pusch_Config->choice.setup;
UL_BWP->pucch_Config = bwp_uplink->bwp_Dedicated->pucch_Config->choice.setup;
UL_BWP->srs_Config = bwp_uplink->bwp_Dedicated->srs_Config->choice.setup;
UL_BWP->configuredGrantConfig = bwp_uplink->bwp_Dedicated->configuredGrantConfig ? bwp_uplink->bwp_Dedicated->configuredGrantConfig->choice.setup : NULL;
if (bwp_uplink->bwp_Common->pucch_ConfigCommon)
UL_BWP->pucch_ConfigCommon = bwp_uplink->bwp_Common->pucch_ConfigCommon->choice.setup;
if (bwp_uplink->bwp_Common->rach_ConfigCommon)
UL_BWP->rach_ConfigCommon = bwp_uplink->bwp_Common->rach_ConfigCommon->choice.setup;
}
else {
UL_BWP->tdaList_Common = mac->bwp_ulcommon->pusch_ConfigCommon->choice.setup->pusch_TimeDomainAllocationList;
UL_BWP->pusch_Config = spCellConfigDedicated->uplinkConfig->initialUplinkBWP->pusch_Config->choice.setup;
UL_BWP->pucch_Config = spCellConfigDedicated->uplinkConfig->initialUplinkBWP->pucch_Config->choice.setup;
UL_BWP->srs_Config = spCellConfigDedicated->uplinkConfig->initialUplinkBWP->srs_Config->choice.setup;
UL_BWP->configuredGrantConfig =
spCellConfigDedicated->uplinkConfig->initialUplinkBWP->configuredGrantConfig ? spCellConfigDedicated->uplinkConfig->initialUplinkBWP->configuredGrantConfig->choice.setup : NULL;
ul_genericParameters = mac->bwp_ulcommon->genericParameters;
if (mac->bwp_ulcommon->pucch_ConfigCommon)
UL_BWP->pucch_ConfigCommon = mac->bwp_ulcommon->pucch_ConfigCommon->choice.setup;
if (mac->bwp_ulcommon->rach_ConfigCommon)
UL_BWP->rach_ConfigCommon = mac->bwp_ulcommon->rach_ConfigCommon->choice.setup;
}
}
else
AssertFatal(1==0,"We shouldn't end here in configuring BWP\n");
}
DL_BWP->scs = dl_genericParameters.subcarrierSpacing;
DL_BWP->cyclicprefix = dl_genericParameters.cyclicPrefix;
DL_BWP->BWPSize = NRRIV2BW(dl_genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
DL_BWP->BWPStart = NRRIV2PRBOFFSET(dl_genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
UL_BWP->scs = ul_genericParameters.subcarrierSpacing;
UL_BWP->cyclicprefix = ul_genericParameters.cyclicPrefix;
UL_BWP->BWPSize = NRRIV2BW(ul_genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
UL_BWP->BWPStart = NRRIV2PRBOFFSET(ul_genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
DL_BWP->initial_BWPSize = NRRIV2BW(mac->bwp_dlcommon->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
UL_BWP->initial_BWPSize = NRRIV2BW(mac->bwp_ulcommon->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
DL_BWP->initial_BWPStart = NRRIV2PRBOFFSET(mac->bwp_dlcommon->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
UL_BWP->initial_BWPStart = NRRIV2PRBOFFSET(mac->bwp_ulcommon->genericParameters.locationAndBandwidth, MAX_BWP_SIZE);
}
void ue_init_config_request(NR_UE_MAC_INST_t *mac, int scs)
{
int slots_per_frame = nr_slots_per_frame[scs];
LOG_I(NR_MAC, "Initializing dl and ul config_request. num_slots = %d\n", slots_per_frame);
mac->dl_config_request = calloc(slots_per_frame, sizeof(*mac->dl_config_request));
mac->ul_config_request = calloc(slots_per_frame, sizeof(*mac->ul_config_request));
for (int i = 0; i < slots_per_frame; i++)
pthread_mutex_init(&(mac->ul_config_request[i].mutex_ul_config), NULL);
}
void nr_rrc_mac_config_req_mib(module_id_t module_id,
int cc_idP,
NR_MIB_t *mib,
int sched_sib)
{
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
AssertFatal(mib, "MIB should not be NULL\n");
// initialize dl and ul config_request upon first reception of MIB
mac->mib = mib; // update by every reception
mac->phy_config.Mod_id = module_id;
mac->phy_config.CC_id = cc_idP;
if (sched_sib == 1)
mac->get_sib1 = true;
else if (sched_sib == 2)
mac->get_otherSI = true;
nr_ue_decode_mib(module_id,
cc_idP);
}
void nr_rrc_mac_config_req_sib1(module_id_t module_id,
int cc_idP,
struct NR_SI_SchedulingInfo *si_SchedulingInfo,
NR_ServingCellConfigCommonSIB_t *scc)
{
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
AssertFatal(scc, "SIB1 SCC should not be NULL\n");
mac->tdd_UL_DL_ConfigurationCommon = scc->tdd_UL_DL_ConfigurationCommon;
mac->p_Max = scc->uplinkConfigCommon->frequencyInfoUL.p_Max;
mac->si_SchedulingInfo = si_SchedulingInfo;
mac->nr_band = *scc->downlinkConfigCommon.frequencyInfoDL.frequencyBandList.list.array[0]->freqBandIndicatorNR;
config_common_ue_sa(mac, scc, module_id, cc_idP);
configure_current_BWP(mac, scc, NULL);
// Setup the SSB to Rach Occasionsif (cell_group_config->spCellConfig) { mapping according to the config
build_ssb_to_ro_map(mac);
if (!get_softmodem_params()->emulate_l1)
mac->if_module->phy_config_request(&mac->phy_config);
mac->phy_config_request_sent = true;
}
void nr_rrc_mac_config_req_mcg(module_id_t module_id,
int cc_idP,
NR_CellGroupConfig_t *cell_group_config)
{
LOG_I(MAC,"Applying CellGroupConfig from gNodeB\n");
AssertFatal(cell_group_config, "CellGroupConfig should not be NULL\n");
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
mac->cg = cell_group_config;
if (cell_group_config->spCellConfig)
mac->servCellIndex = cell_group_config->spCellConfig->servCellIndex ? *cell_group_config->spCellConfig->servCellIndex : 0;
else
mac->servCellIndex = 0;
mac->scheduling_info.periodicBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
mac->scheduling_info.retxBSR_SF = MAC_UE_BSR_TIMER_NOT_RUNNING;
mac->BSR_reporting_active = NR_BSR_TRIGGER_NONE;
LOG_D(MAC, "[UE %d]: periodic BSR %d (SF), retx BSR %d (SF)\n",
module_id,
mac->scheduling_info.periodicBSR_SF,
mac->scheduling_info.retxBSR_SF);
RA_config_t *ra = &mac->ra;
if (cell_group_config->spCellConfig && cell_group_config->spCellConfig->reconfigurationWithSync) {
LOG_A(NR_MAC, "Received the reconfigurationWithSync in %s\n", __FUNCTION__);
if (cell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated) {
ra->rach_ConfigDedicated = cell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
}
NR_ServingCellConfigCommon_t *scc = cell_group_config->spCellConfig->reconfigurationWithSync->spCellConfigCommon;
mac->bwp_dlcommon = scc->downlinkConfigCommon->initialDownlinkBWP;
mac->bwp_ulcommon = scc->uplinkConfigCommon->initialUplinkBWP;
mac->dmrs_TypeA_Position = scc->dmrs_TypeA_Position;
mac->tdd_UL_DL_ConfigurationCommon = scc->tdd_UL_DL_ConfigurationCommon;
mac->p_Max = scc->uplinkConfigCommon->frequencyInfoUL->p_Max;
mac->nr_band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
mac->state = UE_NOT_SYNC;
mac->ra.ra_state = RA_UE_IDLE;
mac->physCellId = *scc->physCellId;
if (!get_softmodem_params()->emulate_l1) {
mac->synch_request.Mod_id = module_id;
mac->synch_request.CC_id = cc_idP;
mac->synch_request.synch_req.target_Nid_cell = mac->physCellId;
mac->if_module->synch_request(&mac->synch_request);
}
mac->crnti = cell_group_config->spCellConfig->reconfigurationWithSync->newUE_Identity;
LOG_I(NR_MAC, "Configuring CRNTI %x\n", mac->crnti);
configure_current_BWP(mac, NULL, cell_group_config);
config_common_ue(mac, scc, module_id, cc_idP);
nr_ue_mac_default_configs(mac);
if (!get_softmodem_params()->emulate_l1) {
mac->if_module->phy_config_request(&mac->phy_config);
mac->phy_config_request_sent = true;
}
// Setup the SSB to Rach Occasions mapping according to the config
build_ssb_to_ro_map(mac);
} else {
configure_current_BWP(mac, NULL, cell_group_config);
}
}
void nr_rrc_mac_config_req_scg(module_id_t module_id,
int cc_idP,
NR_CellGroupConfig_t *scell_group_config)
{
NR_UE_MAC_INST_t *mac = get_mac_inst(module_id);
RA_config_t *ra = &mac->ra;
AssertFatal(scell_group_config, "scell_group_config cannot be NULL\n");
mac->cg = scell_group_config;
mac->servCellIndex = *scell_group_config->spCellConfig->servCellIndex;
if (scell_group_config->spCellConfig->reconfigurationWithSync) {
if (scell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated) {
ra->rach_ConfigDedicated = scell_group_config->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink;
}
NR_ServingCellConfigCommon_t *scc = scell_group_config->spCellConfig->reconfigurationWithSync->spCellConfigCommon;
mac->bwp_dlcommon = scc->downlinkConfigCommon->initialDownlinkBWP;
mac->bwp_ulcommon = scc->uplinkConfigCommon->initialUplinkBWP;
mac->dmrs_TypeA_Position = scc->dmrs_TypeA_Position;
mac->tdd_UL_DL_ConfigurationCommon = scc->tdd_UL_DL_ConfigurationCommon;
mac->p_Max = scc->uplinkConfigCommon->frequencyInfoUL->p_Max;
mac->nr_band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
mac->physCellId = *scc->physCellId;
config_common_ue(mac, scc, module_id, cc_idP);
mac->crnti = scell_group_config->spCellConfig->reconfigurationWithSync->newUE_Identity;
LOG_I(MAC,"Configuring CRNTI %x\n",mac->crnti);
}
configure_current_BWP(mac, NULL, scell_group_config);
// Setup the SSB to Rach Occasions mapping according to the config
build_ssb_to_ro_map(mac);
}
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