/*
* 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 "SCHED_NR/phy_frame_config_nr.h"
#include "NR_MIB.h"
#include "LAYER2/NR_MAC_COMMON/nr_mac_common.h"
#include "../../../../nfapi/oai_integration/vendor_ext.h"
/* Softmodem params */
#include "executables/softmodem-common.h"
extern RAN_CONTEXT_t RC;
//extern int l2_init_gNB(void);
extern void mac_top_init_gNB(void);
extern uint8_t nfapi_mode;
void config_common(int Mod_idP, int ssb_SubcarrierOffset, int pdsch_AntennaPorts, int pusch_AntennaPorts, NR_ServingCellConfigCommon_t *scc) {
nfapi_nr_config_request_scf_t *cfg = &RC.nrmac[Mod_idP]->config[0];
RC.nrmac[Mod_idP]->common_channels[0].ServingCellConfigCommon = scc;
int i;
// Carrier configuration
cfg->carrier_config.dl_bandwidth.value = config_bandwidth(scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0]);
cfg->carrier_config.dl_bandwidth.tl.tag = NFAPI_NR_CONFIG_DL_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
LOG_I(NR_MAC,"%s() dl_BandwidthP:%d\n", __FUNCTION__, cfg->carrier_config.dl_bandwidth.value);
cfg->carrier_config.dl_frequency.value = from_nrarfcn(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0],
*scc->ssbSubcarrierSpacing,
scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA)/1000; // freq in kHz
cfg->carrier_config.dl_frequency.tl.tag = NFAPI_NR_CONFIG_DL_FREQUENCY_TAG;
cfg->num_tlv++;
for (i=0; i<5; i++) {
if (i==scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.dl_grid_size[i].value = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.dl_k0[i].value = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
cfg->carrier_config.dl_grid_size[i].tl.tag = NFAPI_NR_CONFIG_DL_GRID_SIZE_TAG;
cfg->carrier_config.dl_k0[i].tl.tag = NFAPI_NR_CONFIG_DL_K0_TAG;
cfg->num_tlv++;
cfg->num_tlv++;
}
else {
cfg->carrier_config.dl_grid_size[i].value = 0;
cfg->carrier_config.dl_k0[i].value = 0;
}
}
cfg->carrier_config.uplink_bandwidth.value = config_bandwidth(scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth,
*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0]);
cfg->carrier_config.uplink_bandwidth.tl.tag = NFAPI_NR_CONFIG_UPLINK_BANDWIDTH_TAG; //temporary
cfg->num_tlv++;
LOG_I(NR_MAC,"%s() dl_BandwidthP:%d\n", __FUNCTION__, cfg->carrier_config.uplink_bandwidth.value);
int UL_pointA;
if (scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA == NULL)
UL_pointA = scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA;
else
UL_pointA = *scc->uplinkConfigCommon->frequencyInfoUL->absoluteFrequencyPointA;
cfg->carrier_config.uplink_frequency.value = from_nrarfcn(*scc->uplinkConfigCommon->frequencyInfoUL->frequencyBandList->list.array[0],
*scc->ssbSubcarrierSpacing,
UL_pointA)/1000; // freq in kHz
cfg->carrier_config.uplink_frequency.tl.tag = NFAPI_NR_CONFIG_UPLINK_FREQUENCY_TAG;
cfg->num_tlv++;
for (i=0; i<5; i++) {
if (i==scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing) {
cfg->carrier_config.ul_grid_size[i].value = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->carrierBandwidth;
cfg->carrier_config.ul_k0[i].value = scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->offsetToCarrier;
cfg->carrier_config.ul_grid_size[i].tl.tag = NFAPI_NR_CONFIG_UL_GRID_SIZE_TAG;
cfg->carrier_config.ul_k0[i].tl.tag = NFAPI_NR_CONFIG_UL_K0_TAG;
cfg->num_tlv++;
cfg->num_tlv++;
}
else {
cfg->carrier_config.ul_grid_size[i].value = 0;
cfg->carrier_config.ul_k0[i].value = 0;
}
}
uint32_t band = *scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0];
frequency_range_t frequency_range = band<100?FR1:FR2;
lte_frame_type_t frame_type = get_frame_type(*scc->downlinkConfigCommon->frequencyInfoDL->frequencyBandList.list.array[0], *scc->ssbSubcarrierSpacing);
RC.nrmac[Mod_idP]->common_channels[0].frame_type = frame_type;
// Cell configuration
cfg->cell_config.phy_cell_id.value = *scc->physCellId;
cfg->cell_config.phy_cell_id.tl.tag = NFAPI_NR_CONFIG_PHY_CELL_ID_TAG;
cfg->num_tlv++;
cfg->cell_config.frame_duplex_type.value = frame_type;
cfg->cell_config.frame_duplex_type.tl.tag = NFAPI_NR_CONFIG_FRAME_DUPLEX_TYPE_TAG;
cfg->num_tlv++;
// SSB configuration
cfg->ssb_config.ss_pbch_power.value = scc->ss_PBCH_BlockPower;
cfg->ssb_config.ss_pbch_power.tl.tag = NFAPI_NR_CONFIG_SS_PBCH_POWER_TAG;
cfg->num_tlv++;
cfg->ssb_config.bch_payload.value = 1;
cfg->ssb_config.bch_payload.tl.tag = NFAPI_NR_CONFIG_BCH_PAYLOAD_TAG;
cfg->num_tlv++;
cfg->ssb_config.scs_common.value = *scc->ssbSubcarrierSpacing;
cfg->ssb_config.scs_common.tl.tag = NFAPI_NR_CONFIG_SCS_COMMON_TAG;
cfg->num_tlv++;
// PRACH configuration
uint8_t nb_preambles = 64;
if(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles != NULL)
nb_preambles = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->totalNumberOfRA_Preambles;
cfg->prach_config.prach_sequence_length.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.present-1;
cfg->prach_config.prach_sequence_length.tl.tag = NFAPI_NR_CONFIG_PRACH_SEQUENCE_LENGTH_TAG;
cfg->num_tlv++;
if (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing)
cfg->prach_config.prach_sub_c_spacing.value = *scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->msg1_SubcarrierSpacing;
else
cfg->prach_config.prach_sub_c_spacing.value = scc->downlinkConfigCommon->frequencyInfoDL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing;
cfg->prach_config.prach_sub_c_spacing.tl.tag = NFAPI_NR_CONFIG_PRACH_SUB_C_SPACING_TAG;
cfg->num_tlv++;
cfg->prach_config.restricted_set_config.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->restrictedSetConfig;
cfg->prach_config.restricted_set_config.tl.tag = NFAPI_NR_CONFIG_RESTRICTED_SET_CONFIG_TAG;
cfg->num_tlv++;
cfg->prach_config.prach_ConfigurationIndex.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.prach_ConfigurationIndex;
cfg->prach_config.prach_ConfigurationIndex.tl.tag = NFAPI_NR_CONFIG_PRACH_CONFIG_INDEX_TAG;
cfg->num_tlv++;
switch (scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM) {
case 0 :
cfg->prach_config.num_prach_fd_occasions.value = 1;
break;
case 1 :
cfg->prach_config.num_prach_fd_occasions.value = 2;
break;
case 2 :
cfg->prach_config.num_prach_fd_occasions.value = 4;
break;
case 3 :
cfg->prach_config.num_prach_fd_occasions.value = 8;
break;
default:
AssertFatal(1==0,"msg1 FDM identifier %ld undefined (0,1,2,3) \n", scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FDM);
}
cfg->prach_config.num_prach_fd_occasions.tl.tag = NFAPI_NR_CONFIG_NUM_PRACH_FD_OCCASIONS_TAG;
cfg->num_tlv++;
cfg->prach_config.prach_ConfigurationIndex.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.prach_ConfigurationIndex;
cfg->prach_config.prach_ConfigurationIndex.tl.tag = NFAPI_NR_CONFIG_PRACH_CONFIG_INDEX_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list = (nfapi_nr_num_prach_fd_occasions_t *) malloc(cfg->prach_config.num_prach_fd_occasions.value*sizeof(nfapi_nr_num_prach_fd_occasions_t));
for (i=0; i<cfg->prach_config.num_prach_fd_occasions.value; i++) {
// cfg->prach_config.num_prach_fd_occasions_list[i].num_prach_fd_occasions = i;
if (cfg->prach_config.prach_sequence_length.value)
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l139;
else
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->prach_RootSequenceIndex.choice.l839;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_root_sequence_index.tl.tag = NFAPI_NR_CONFIG_PRACH_ROOT_SEQUENCE_INDEX_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].k1.value = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE) + scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart + (get_N_RA_RB( cfg->prach_config.prach_sub_c_spacing.value, scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing ) * i);
if (get_softmodem_params()->sa) {
cfg->prach_config.num_prach_fd_occasions_list[i].k1.value = NRRIV2PRBOFFSET(scc->uplinkConfigCommon->initialUplinkBWP->genericParameters.locationAndBandwidth, MAX_BWP_SIZE) + scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart + (get_N_RA_RB( cfg->prach_config.prach_sub_c_spacing.value, scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing ) * i);
} else {
cfg->prach_config.num_prach_fd_occasions_list[i].k1.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.msg1_FrequencyStart + (get_N_RA_RB( cfg->prach_config.prach_sub_c_spacing.value, scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing ) * i);
}
cfg->prach_config.num_prach_fd_occasions_list[i].k1.tl.tag = NFAPI_NR_CONFIG_K1_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->rach_ConfigGeneric.zeroCorrelationZoneConfig;
cfg->prach_config.num_prach_fd_occasions_list[i].prach_zero_corr_conf.tl.tag = NFAPI_NR_CONFIG_PRACH_ZERO_CORR_CONF_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences.value = compute_nr_root_seq(scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup,nb_preambles, frame_type, frequency_range);
cfg->prach_config.num_prach_fd_occasions_list[i].num_root_sequences.tl.tag = NFAPI_NR_CONFIG_NUM_ROOT_SEQUENCES_TAG;
cfg->num_tlv++;
cfg->prach_config.num_prach_fd_occasions_list[i].num_unused_root_sequences.value = 1;
}
cfg->prach_config.ssb_per_rach.value = scc->uplinkConfigCommon->initialUplinkBWP->rach_ConfigCommon->choice.setup->ssb_perRACH_OccasionAndCB_PreamblesPerSSB->present-1;
cfg->prach_config.ssb_per_rach.tl.tag = NFAPI_NR_CONFIG_SSB_PER_RACH_TAG;
cfg->num_tlv++;
// SSB Table Configuration
int scs_scaling = 1<<(cfg->ssb_config.scs_common.value);
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA < 600000)
scs_scaling = scs_scaling*3;
if (scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA > 2016666)
scs_scaling = scs_scaling>>2;
uint32_t absolute_diff = (*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA);
uint16_t sco = absolute_diff%(12*scs_scaling);
AssertFatal(sco==0,"absoluteFrequencySSB has a subcarrier offset of %d while it should be alligned with CRBs\n",sco);
cfg->ssb_table.ssb_offset_point_a.value = absolute_diff/(12*scs_scaling) - 10; //absoluteFrequencySSB is the central frequency of SSB which is made by 20RBs in total
cfg->ssb_table.ssb_offset_point_a.tl.tag = NFAPI_NR_CONFIG_SSB_OFFSET_POINT_A_TAG;
cfg->num_tlv++;
cfg->ssb_table.ssb_period.value = *scc->ssb_periodicityServingCell;
cfg->ssb_table.ssb_period.tl.tag = NFAPI_NR_CONFIG_SSB_PERIOD_TAG;
cfg->num_tlv++;
cfg->ssb_table.ssb_subcarrier_offset.value = ssb_SubcarrierOffset;
cfg->ssb_table.ssb_subcarrier_offset.tl.tag = NFAPI_NR_CONFIG_SSB_SUBCARRIER_OFFSET_TAG;
cfg->num_tlv++;
switch (scc->ssb_PositionsInBurst->present) {
case 1 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask.value = scc->ssb_PositionsInBurst->choice.shortBitmap.buf[0]<<24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask.value = 0;
break;
case 2 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask.value = scc->ssb_PositionsInBurst->choice.mediumBitmap.buf[0]<<24;
cfg->ssb_table.ssb_mask_list[1].ssb_mask.value = 0;
break;
case 3 :
cfg->ssb_table.ssb_mask_list[0].ssb_mask.value = 0;
cfg->ssb_table.ssb_mask_list[1].ssb_mask.value = 0;
for (i=0; i<4; i++) {
cfg->ssb_table.ssb_mask_list[0].ssb_mask.value += (scc->ssb_PositionsInBurst->choice.longBitmap.buf[3-i]<<i*8);
cfg->ssb_table.ssb_mask_list[1].ssb_mask.value += (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);
}
cfg->ssb_table.ssb_mask_list[0].ssb_mask.tl.tag = NFAPI_NR_CONFIG_SSB_MASK_TAG;
cfg->ssb_table.ssb_mask_list[1].ssb_mask.tl.tag = NFAPI_NR_CONFIG_SSB_MASK_TAG;
cfg->num_tlv+=2;
cfg->carrier_config.num_tx_ant.value = pdsch_AntennaPorts;
AssertFatal(pdsch_AntennaPorts > 0 && pdsch_AntennaPorts < 13, "pdsch_AntennaPorts in 1...12\n");
cfg->carrier_config.num_tx_ant.tl.tag = NFAPI_NR_CONFIG_NUM_TX_ANT_TAG;
int num_ssb=0;
for (int i=0;i<32;i++) {
cfg->ssb_table.ssb_beam_id_list[i].beam_id.tl.tag = NFAPI_NR_CONFIG_BEAM_ID_TAG;
if ((cfg->ssb_table.ssb_mask_list[0].ssb_mask.value>>(31-i))&1) {
cfg->ssb_table.ssb_beam_id_list[i].beam_id.value = num_ssb;
num_ssb++;
}
cfg->num_tlv++;
}
for (int i=0;i<32;i++) {
cfg->ssb_table.ssb_beam_id_list[32+i].beam_id.tl.tag = NFAPI_NR_CONFIG_BEAM_ID_TAG;
if ((cfg->ssb_table.ssb_mask_list[1].ssb_mask.value>>(31-i))&1) {
cfg->ssb_table.ssb_beam_id_list[32+i].beam_id.value = num_ssb;
num_ssb++;
}
cfg->num_tlv++;
}
cfg->carrier_config.num_rx_ant.value = pusch_AntennaPorts;
AssertFatal(pusch_AntennaPorts > 0 && pusch_AntennaPorts < 13, "pusch_AntennaPorts in 1...12\n");
cfg->carrier_config.num_rx_ant.tl.tag = NFAPI_NR_CONFIG_NUM_RX_ANT_TAG;
LOG_I(NR_MAC,"Set TX/RX antenna number to %d (num ssb %d: %x,%x)\n",cfg->carrier_config.num_tx_ant.value,num_ssb,cfg->ssb_table.ssb_mask_list[0].ssb_mask.value,cfg->ssb_table.ssb_mask_list[1].ssb_mask.value);
AssertFatal(cfg->carrier_config.num_tx_ant.value > 0,"carrier_config.num_tx_ant.value %d !\n",cfg->carrier_config.num_tx_ant.value );
cfg->num_tlv++;
cfg->num_tlv++;
// TDD Table Configuration
//cfg->tdd_table.tdd_period.value = scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity;
cfg->tdd_table.tdd_period.tl.tag = NFAPI_NR_CONFIG_TDD_PERIOD_TAG;
cfg->num_tlv++;
if (scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1 == NULL)
cfg->tdd_table.tdd_period.value = scc->tdd_UL_DL_ConfigurationCommon->pattern1.dl_UL_TransmissionPeriodicity;
else {
AssertFatal(scc->tdd_UL_DL_ConfigurationCommon->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.value = *scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530;
}
if(cfg->cell_config.frame_duplex_type.value == TDD){
LOG_I(NR_MAC,"Setting TDD configuration period to %d\n",cfg->tdd_table.tdd_period.value);
int periods_per_frame = set_tdd_config_nr(cfg,
scc->uplinkConfigCommon->frequencyInfoUL->scs_SpecificCarrierList.list.array[0]->subcarrierSpacing,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSlots,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofDownlinkSymbols,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSlots,
scc->tdd_UL_DL_ConfigurationCommon->pattern1.nrofUplinkSymbols);
if (periods_per_frame < 0)
LOG_E(NR_MAC,"TDD configuration can not be done\n");
else {
LOG_I(NR_MAC,"TDD has been properly configurated\n");
RC.nrmac[Mod_idP]->tdd_beam_association = (int16_t *)malloc16(periods_per_frame*sizeof(int16_t));
}
}
}
extern uint16_t sl_ahead;
int rrc_mac_config_req_gNB(module_id_t Mod_idP,
int ssb_SubcarrierOffset,
int pdsch_AntennaPorts,
int pusch_AntennaPorts,
NR_ServingCellConfigCommon_t *scc,
int add_ue,
uint32_t rnti,
NR_CellGroupConfig_t *CellGroup){
if (scc != NULL ) {
AssertFatal((scc->ssb_PositionsInBurst->present > 0) && (scc->ssb_PositionsInBurst->present < 4), "SSB Bitmap type %d is not valid\n",scc->ssb_PositionsInBurst->present);
/* dimension UL_tti_req_ahead for number of slots in frame */
const uint8_t slots_per_frame[5] = {10, 20, 40, 80, 160};
const int n = slots_per_frame[*scc->ssbSubcarrierSpacing];
RC.nrmac[Mod_idP]->UL_tti_req_ahead[0] = calloc(n, sizeof(nfapi_nr_ul_tti_request_t));
AssertFatal(RC.nrmac[Mod_idP]->UL_tti_req_ahead[0],
"could not allocate memory for RC.nrmac[]->UL_tti_req_ahead[]\n");
/* fill in slot/frame numbers: slot is fixed, frame will be updated by
* scheduler */
for (int i = 0; i < n; ++i) {
nfapi_nr_ul_tti_request_t *req = &RC.nrmac[Mod_idP]->UL_tti_req_ahead[0][i];
/* consider that scheduler runs sl_ahead: the first sl_ahead slots are
* already "in the past" and thus we put frame 1 instead of 0! Note that
* variable sl_ahead seems to not be correctly initialized, but I leave
* it for information purposes here (the fix would always put 0, what
* happens now, too) */
req->SFN = i < sl_ahead;
req->Slot = i;
}
RC.nrmac[Mod_idP]->common_channels[0].vrb_map_UL =
calloc(n * MAX_BWP_SIZE, sizeof(uint16_t));
AssertFatal(RC.nrmac[Mod_idP]->common_channels[0].vrb_map_UL,
"could not allocate memory for RC.nrmac[]->common_channels[0].vrb_map_UL\n");
for (int i = 0; i < MAX_NUM_BWP; ++i) {
RC.nrmac[Mod_idP]->pucch_index_used[i] =
calloc(n, sizeof(*RC.nrmac[Mod_idP]->pucch_index_used));
AssertFatal(RC.nrmac[Mod_idP]->pucch_index_used[i],
"could not allocate memory for RC.nrmac[]->pucch_index_used[%d]\n",
i);
}
LOG_I(NR_MAC,"Configuring common parameters from NR ServingCellConfig\n");
config_common(Mod_idP,
ssb_SubcarrierOffset,
pdsch_AntennaPorts,
pusch_AntennaPorts,
scc);
LOG_E(NR_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 == NFAPI_MODE_PNF || NFAPI_MODE == NFAPI_MODE_VNF) && (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");
}
}
RC.nrmac[Mod_idP]->ssb_SubcarrierOffset = ssb_SubcarrierOffset;
NR_PHY_Config_t phycfg;
phycfg.Mod_id = Mod_idP;
phycfg.CC_id = 0;
phycfg.cfg = &RC.nrmac[Mod_idP]->config[0];
if (RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req) RC.nrmac[Mod_idP]->if_inst->NR_PHY_config_req(&phycfg);
find_SSB_and_RO_available(Mod_idP);
if (get_softmodem_params()->sa > 0) {
NR_COMMON_channels_t *cc = &RC.nrmac[Mod_idP]->common_channels[0];
for (int n=0;n<NR_NB_RA_PROC_MAX;n++ ) {
cc->ra[n].cfra = false;
cc->ra[n].rnti = 0;
cc->ra[n].preambles.num_preambles = MAX_NUM_NR_PRACH_PREAMBLES;
cc->ra[n].preambles.preamble_list = (uint8_t *) malloc(MAX_NUM_NR_PRACH_PREAMBLES*sizeof(uint8_t));
for (int i = 0; i < MAX_NUM_NR_PRACH_PREAMBLES; i++)
cc->ra[n].preambles.preamble_list[i] = i;
}
}
}
if (CellGroup) {
NR_UE_info_t *UE_info = &RC.nrmac[Mod_idP]->UE_info;
if (add_ue == 1 && get_softmodem_params()->phy_test) {
const int UE_id = add_new_nr_ue(Mod_idP, rnti, CellGroup);
LOG_I(PHY,"Added new UE_id %d/%x with initial CellGroup\n",UE_id,rnti);
} else if (add_ue == 1 && !get_softmodem_params()->phy_test) {
const int CC_id = 0;
NR_COMMON_channels_t *cc = &RC.nrmac[Mod_idP]->common_channels[CC_id];
uint8_t ra_index = 0;
/* checking for free RA process */
for(; ra_index < NR_NB_RA_PROC_MAX; ra_index++) {
if((cc->ra[ra_index].state == RA_IDLE) && (!cc->ra[ra_index].cfra)) break;
}
if (ra_index == NR_NB_RA_PROC_MAX) {
LOG_E(NR_MAC, "%s() %s:%d RA processes are not available for CFRA RNTI :%x\n", __FUNCTION__, __FILE__, __LINE__, rnti);
return -1;
}
NR_RA_t *ra = &cc->ra[ra_index];
ra->CellGroup = CellGroup;
if (CellGroup->spCellConfig && CellGroup->spCellConfig->reconfigurationWithSync &&
CellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated!=NULL) {
if (CellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra != NULL) {
ra->cfra = true;
ra->rnti = rnti;
struct NR_CFRA *cfra = CellGroup->spCellConfig->reconfigurationWithSync->rach_ConfigDedicated->choice.uplink->cfra;
uint8_t num_preamble = cfra->resources.choice.ssb->ssb_ResourceList.list.count;
ra->preambles.num_preambles = num_preamble;
ra->preambles.preamble_list = (uint8_t *) malloc(num_preamble*sizeof(uint8_t));
for(int i=0; i<cc->num_active_ssb; i++) {
for(int j=0; j<num_preamble; j++) {
if (cc->ssb_index[i] == cfra->resources.choice.ssb->ssb_ResourceList.list.array[j]->ssb) {
// one dedicated preamble for each beam
ra->preambles.preamble_list[i] =
cfra->resources.choice.ssb->ssb_ResourceList.list.array[j]->ra_PreambleIndex;
break;
}
}
}
}
} else {
ra->cfra = false;
ra->rnti = 0;
ra->preambles.num_preambles = MAX_NUM_NR_PRACH_PREAMBLES;
ra->preambles.preamble_list = (uint8_t *) malloc(MAX_NUM_NR_PRACH_PREAMBLES*sizeof(uint8_t));
for (int i = 0; i < MAX_NUM_NR_PRACH_PREAMBLES; i++)
ra->preambles.preamble_list[i] = i;
}
LOG_I(NR_MAC,"Added new RA process for UE RNTI %04x with initial CellGroup\n", rnti);
} else { // CellGroup has been updated
const int UE_id = find_nr_UE_id(Mod_idP,rnti);
UE_info->CellGroup[UE_id] = CellGroup;
LOG_I(NR_MAC,"Modified UE_id %d/%x with CellGroup\n",UE_id,rnti);
}
}
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