/* * 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/nr/nr_common.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 uint8_t nfapi_mode; void process_rlcBearerConfig(struct NR_CellGroupConfig__rlc_BearerToAddModList *rlc_bearer2add_list, struct NR_CellGroupConfig__rlc_BearerToReleaseList *rlc_bearer2release_list, NR_UE_sched_ctrl_t *sched_ctrl) { if (rlc_bearer2release_list) { for (int i = 0; i < rlc_bearer2release_list->list.count; i++) { for (int idx = 0; idx < sched_ctrl->dl_lc_num; idx++) { if (sched_ctrl->dl_lc_ids[idx] == *rlc_bearer2release_list->list.array[i]) { const int remaining_lcs = sched_ctrl->dl_lc_num - idx - 1; memmove(&sched_ctrl->dl_lc_ids[idx], &sched_ctrl->dl_lc_ids[idx + 1], sizeof(sched_ctrl->dl_lc_ids[idx]) * remaining_lcs); sched_ctrl->dl_lc_num--; break; } } } } if (rlc_bearer2add_list) { // keep lcids for (int i = 0; i < rlc_bearer2add_list->list.count; i++) { const int lcid = rlc_bearer2add_list->list.array[i]->logicalChannelIdentity; bool found = false; for (int idx = 0; idx < sched_ctrl->dl_lc_num; idx++) { if (sched_ctrl->dl_lc_ids[idx] == lcid) { found = true; break; } } if (!found) { sched_ctrl->dl_lc_num++; sched_ctrl->dl_lc_ids[sched_ctrl->dl_lc_num - 1] = lcid; LOG_D(NR_MAC, "Adding LCID %d (%s %d)\n", lcid, lcid < 4 ? "SRB" : "DRB", lcid); } } } LOG_D(NR_MAC, "In %s: total num of active bearers %d) \n", __FUNCTION__, sched_ctrl->dl_lc_num); } void process_drx_Config(NR_UE_sched_ctrl_t *sched_ctrl,NR_SetupRelease_DRX_Config_t *drx_Config) { if (!drx_Config) return; AssertFatal(drx_Config->present != NR_SetupRelease_DRX_Config_PR_NOTHING, "Cannot have NR_SetupRelease_DRX_Config_PR_NOTHING\n"); if (drx_Config->present == NR_SetupRelease_DRX_Config_PR_setup) { LOG_I(NR_MAC,"Adding DRX config\n"); } else { LOG_I(NR_MAC,"Removing DRX config\n"); } } void process_schedulingRequestConfig(NR_UE_sched_ctrl_t *sched_ctrl,NR_SchedulingRequestConfig_t *schedulingRequestConfig) { if (!schedulingRequestConfig) return; LOG_I(NR_MAC,"Adding SchedulingRequestconfig\n"); } void process_bsrConfig(NR_UE_sched_ctrl_t *sched_ctrl,NR_BSR_Config_t *bsr_Config) { if (!bsr_Config) return; LOG_I(NR_MAC,"Adding BSR config\n"); } void process_tag_Config(NR_UE_sched_ctrl_t *sched_ctrl,NR_TAG_Config_t *tag_Config) { if (!tag_Config) return; LOG_I(NR_MAC,"Adding TAG config\n"); } void process_phr_Config(NR_UE_sched_ctrl_t *sched_ctrl,NR_SetupRelease_PHR_Config_t *phr_Config) { if (!phr_Config) return; AssertFatal(phr_Config->present != NR_SetupRelease_PHR_Config_PR_NOTHING, "Cannot have NR_SetupRelease_PHR_Config_PR_NOTHING\n"); if (phr_Config->present == NR_SetupRelease_PHR_Config_PR_setup) { LOG_I(NR_MAC,"Adding PHR config\n"); } else { LOG_I(NR_MAC,"Removing PHR config\n"); } } void process_CellGroup(NR_CellGroupConfig_t *CellGroup, NR_UE_sched_ctrl_t *sched_ctrl) { AssertFatal(CellGroup, "CellGroup is null\n"); NR_MAC_CellGroupConfig_t *mac_CellGroupConfig = CellGroup->mac_CellGroupConfig; if (mac_CellGroupConfig) { process_drx_Config(sched_ctrl,mac_CellGroupConfig->drx_Config); process_schedulingRequestConfig(sched_ctrl,mac_CellGroupConfig->schedulingRequestConfig); process_bsrConfig(sched_ctrl,mac_CellGroupConfig->bsr_Config); process_tag_Config(sched_ctrl,mac_CellGroupConfig->tag_Config); process_phr_Config(sched_ctrl,mac_CellGroupConfig->phr_Config); } else { // apply defaults } process_rlcBearerConfig(CellGroup->rlc_BearerToAddModList,CellGroup->rlc_BearerToReleaseList,sched_ctrl); } void config_common(int Mod_idP, 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; // 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 (int 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 (int 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; 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 (int 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 uint32_t absolute_diff = (*scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencySSB - scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA); const int scaling_5khz = scc->downlinkConfigCommon->frequencyInfoDL->absoluteFrequencyPointA < 600000 ? 3 : 1; int sco = (absolute_diff/scaling_5khz) % 24; if(frequency_range == FR2) sco >>= 1; // this assumes 120kHz SCS for SSB and subCarrierSpacingCommon (only option supported by OAI for const int scs_scaling = frequency_range == FR2 ? 1 << (*scc->ssbSubcarrierSpacing - 2) : 1 << *scc->ssbSubcarrierSpacing; cfg->ssb_table.ssb_offset_point_a.value = absolute_diff/(12*scaling_5khz) - 10*scs_scaling; //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 = sco; cfg->ssb_table.ssb_subcarrier_offset.tl.tag = NFAPI_NR_CONFIG_SSB_SUBCARRIER_OFFSET_TAG; cfg->num_tlv++; RC.nrmac[Mod_idP]->ssb_SubcarrierOffset = cfg->ssb_table.ssb_subcarrier_offset.value; RC.nrmac[Mod_idP]->ssb_OffsetPointA = cfg->ssb_table.ssb_offset_point_a.value; 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 = ((uint32_t) 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 (int 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; // logical antenna ports cfg->carrier_config.num_tx_ant.value = pdsch_AntennaPorts; AssertFatal(pdsch_AntennaPorts > 0 && pdsch_AntennaPorts < 33, "pdsch_AntennaPorts in 1...32\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 RX antenna number to %d, Set TX antenna number to %d (num ssb %d: %x,%x)\n", cfg->carrier_config.num_tx_ant.value,cfg->carrier_config.num_rx_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 if (cfg->cell_config.frame_duplex_type.value == TDD){ 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, "In %s: scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530 is null\n", __FUNCTION__); cfg->tdd_table.tdd_period.value = *scc->tdd_UL_DL_ConfigurationCommon->pattern1.ext1->dl_UL_TransmissionPeriodicity_v1530; } 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)); } } } int nr_mac_enable_ue_rrc_processing_timer(module_id_t Mod_idP, rnti_t rnti, NR_SubcarrierSpacing_t subcarrierSpacing, uint32_t rrc_reconfiguration_delay) { if (rrc_reconfiguration_delay == 0) { return -1; } NR_UE_info_t *UE_info = find_nr_UE(&RC.nrmac[Mod_idP]->UE_info,rnti); if (!UE_info) { LOG_W(NR_MAC, "Could not find UE for RNTI 0x%04x\n", rnti); return -1; } NR_UE_sched_ctrl_t *sched_ctrl = &UE_info->UE_sched_ctrl; const uint16_t sl_ahead = RC.nrmac[Mod_idP]->if_inst->sl_ahead; sched_ctrl->rrc_processing_timer = (rrc_reconfiguration_delay<<subcarrierSpacing) + sl_ahead; LOG_I(NR_MAC, "Activating RRC processing timer for UE %04x with %d ms\n", UE_info->rnti, rrc_reconfiguration_delay); return 0; } int rrc_mac_config_req_gNB(module_id_t Mod_idP, rrc_pdsch_AntennaPorts_t pdsch_AntennaPorts, int pusch_AntennaPorts, int sib1_tda, int minRXTXTIMEpdsch, NR_ServingCellConfigCommon_t *scc, NR_BCCH_BCH_Message_t *mib, NR_BCCH_DL_SCH_Message_t *sib1, 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); const int n = nr_slots_per_frame[*scc->ssbSubcarrierSpacing]; 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"); LOG_I(NR_MAC,"Configuring common parameters from NR ServingCellConfig\n"); int num_pdsch_antenna_ports = pdsch_AntennaPorts.N1 * pdsch_AntennaPorts.N2 * pdsch_AntennaPorts.XP; RC.nrmac[Mod_idP]->xp_pdsch_antenna_ports = pdsch_AntennaPorts.XP; config_common(Mod_idP, num_pdsch_antenna_ports, pusch_AntennaPorts, scc); LOG_D(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]->minRXTXTIMEpdsch = minRXTXTIMEpdsch; 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); const NR_TDD_UL_DL_Pattern_t *tdd = scc->tdd_UL_DL_ConfigurationCommon ? &scc->tdd_UL_DL_ConfigurationCommon->pattern1 : NULL; int nr_slots_period = n; int nr_dl_slots = n; int nr_ulstart_slot = 0; if (tdd) { nr_dl_slots = tdd->nrofDownlinkSlots + (tdd->nrofDownlinkSymbols != 0); nr_ulstart_slot = tdd->nrofDownlinkSlots + (tdd->nrofUplinkSymbols == 0); nr_slots_period /= get_nb_periods_per_frame(tdd->dl_UL_TransmissionPeriodicity); } else // if TDD configuration is not present and the band is not FDD, it means it is a dynamic TDD configuration AssertFatal(RC.nrmac[Mod_idP]->common_channels[0].frame_type == FDD,"Dynamic TDD not handled yet\n"); for (int slot = 0; slot < n; ++slot) { RC.nrmac[Mod_idP]->dlsch_slot_bitmap[slot / 64] |= (uint64_t)((slot % nr_slots_period) < nr_dl_slots) << (slot % 64); RC.nrmac[Mod_idP]->ulsch_slot_bitmap[slot / 64] |= (uint64_t)((slot % nr_slots_period) >= nr_ulstart_slot) << (slot % 64); LOG_I(NR_MAC, "In %s: slot %d DL %d UL %d\n", __FUNCTION__, slot, (RC.nrmac[Mod_idP]->dlsch_slot_bitmap[slot / 64] & ((uint64_t)1 << (slot % 64))) != 0, (RC.nrmac[Mod_idP]->ulsch_slot_bitmap[slot / 64] & ((uint64_t)1 << (slot % 64))) != 0); } if (get_softmodem_params()->phy_test) { RC.nrmac[Mod_idP]->pre_processor_dl = nr_preprocessor_phytest; RC.nrmac[Mod_idP]->pre_processor_ul = nr_ul_preprocessor_phytest; } else { RC.nrmac[Mod_idP]->pre_processor_dl = nr_init_fr1_dlsch_preprocessor(Mod_idP, 0); RC.nrmac[Mod_idP]->pre_processor_ul = nr_init_fr1_ulsch_preprocessor(Mod_idP, 0); } if (get_softmodem_params()->sa > 0) { NR_COMMON_channels_t *cc = &RC.nrmac[Mod_idP]->common_channels[0]; RC.nrmac[Mod_idP]->sib1_tda = sib1_tda; for (int n=0;n<NR_NB_RA_PROC_MAX;n++ ) { cc->ra[n].cfra = false; cc->ra[n].msg3_dcch_dtch = 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 (mib) RC.nrmac[Mod_idP]->common_channels[0].mib = mib; if (sib1) RC.nrmac[Mod_idP]->common_channels[0].sib1 = sib1; if (CellGroup) { if (add_ue == 1 && get_softmodem_params()->phy_test) { NR_UE_info_t* UE = add_new_nr_ue(RC.nrmac[Mod_idP], rnti, CellGroup); if (UE) { LOG_I(NR_MAC,"Added new UE %x with initial CellGroup\n", rnti); } else { LOG_E(NR_MAC,"Error adding UE %04x\n", rnti); return -1; } process_CellGroup(CellGroup,&UE->UE_sched_ctrl); } 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; } ra->msg3_dcch_dtch = false; LOG_I(NR_MAC,"Added new RA process for UE RNTI %04x with initial CellGroup\n", rnti); } else { // CellGroup has been updated NR_UE_info_t *UE = find_nr_UE(&RC.nrmac[Mod_idP]->UE_info, rnti); if (!UE) { LOG_E(NR_MAC, "Can't find UE %04x\n", rnti); return -1; } /* copy CellGroup by calling asn1c encode this is a temporary hack to avoid the gNB having a pointer to RRC CellGroup structure (otherwise it would be applied to early) TODO remove once we have a proper implementation */ UE->enc_rval = uper_encode_to_buffer(&asn_DEF_NR_CellGroupConfig, NULL, (void *) CellGroup, UE->cg_buf, 32768); if (UE->enc_rval.encoded == -1) { LOG_E(NR_MAC, "ASN1 message CellGroupConfig encoding failed (%s, %lu)!\n", UE->enc_rval.failed_type->name, UE->enc_rval.encoded); exit(1); } process_CellGroup(CellGroup,&UE->UE_sched_ctrl); } } 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