175 lines
6.2 KiB
C
175 lines
6.2 KiB
C
/*
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* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The OpenAirInterface Software Alliance licenses this file to You under
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* the OAI Public License, Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.openairinterface.org/?page_id=698
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*-------------------------------------------------------------------------------
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* For more information about the OpenAirInterface (OAI) Software Alliance:
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* contact@openairinterface.org
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*/
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/*! \file main.c
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* \brief top init of Layer 2
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* \author Navid Nikaein and Raymond Knopp, WEI-TAI CHEN
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* \date 2010 - 2014, 2018
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* \version 1.0
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* \company Eurecom, NTUST
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* \email: navid.nikaein@eurecom.fr, kroempa@gmail.com
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* @ingroup _mac
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*/
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#include "mac_proto.h"
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#include "LAYER2/NR_MAC_COMMON/nr_mac_extern.h"
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#include "assertions.h"
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#include "LAYER2/PDCP_v10.1.0/pdcp.h"
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#include "RRC/NR/nr_rrc_defs.h"
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#include "common/utils/LOG/log.h"
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//#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
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#include "common/ran_context.h"
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#include "executables/softmodem-common.h"
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extern RAN_CONTEXT_t RC;
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void set_cset_offset(uint16_t offset_bits) {
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RC.nrmac[0]->coreset[0][1].frequency_domain_resources >>= offset_bits;
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}
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void nr_init_coreset(nfapi_nr_coreset_t *coreset) {
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coreset->coreset_id = 1;
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coreset->frequency_domain_resources = 0x1E0000000000;//0x1FFFE0000000; // 96 RB starting from CRB0
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coreset->duration = 2;
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coreset->cce_reg_mapping_type = NFAPI_NR_CCE_REG_MAPPING_NON_INTERLEAVED;
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coreset->reg_bundle_size = 6;
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coreset->interleaver_size = 2;
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coreset->precoder_granularity = NFAPI_NR_CSET_SAME_AS_REG_BUNDLE;
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coreset->tci_present_in_dci = 0;
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coreset->dmrs_scrambling_id = 0;
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}
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void nr_init_search_space(nfapi_nr_search_space_t *search_space)
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{
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search_space->search_space_id = 1;
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search_space->coreset_id = 1;
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search_space->search_space_type = NFAPI_NR_SEARCH_SPACE_TYPE_UE_SPECIFIC;
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search_space->duration = 5;
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search_space->slot_monitoring_periodicity = NFAPI_NR_SS_PERIODICITY_SL10;
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search_space->slot_monitoring_offset = 1;
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search_space->monitoring_symbols_in_slot = 0x3000; // 14 bits field
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search_space->css_formats_0_0_and_1_0 = 1;
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search_space->uss_dci_formats = 0; // enum to be defined-- formats 0.0 and 1.0
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for (int i=0; i<NFAPI_NR_MAX_NB_CCE_AGGREGATION_LEVELS; i++)
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search_space->number_of_candidates[i] = 4; // TODO
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}
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void mac_top_init_gNB(void)
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{
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module_id_t i,j;
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int list_el;
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UE_list_t *UE_list;
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gNB_MAC_INST *nrmac;
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LOG_I(MAC, "[MAIN] Init function start:nb_nr_macrlc_inst=%d\n",RC.nb_nr_macrlc_inst);
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if (RC.nb_nr_macrlc_inst > 0) {
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RC.nrmac = (gNB_MAC_INST **) malloc16(RC.nb_nr_macrlc_inst *sizeof(gNB_MAC_INST *));
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AssertFatal(RC.nrmac != NULL,"can't ALLOCATE %zu Bytes for %d gNB_MAC_INST with size %zu \n",
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RC.nb_nr_macrlc_inst * sizeof(gNB_MAC_INST *),
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RC.nb_nr_macrlc_inst, sizeof(gNB_MAC_INST));
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for (i = 0; i < RC.nb_nr_macrlc_inst; i++) {
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RC.nrmac[i] = (gNB_MAC_INST *) malloc16(sizeof(gNB_MAC_INST));
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AssertFatal(RC.nrmac != NULL,"can't ALLOCATE %zu Bytes for %d gNB_MAC_INST with size %zu \n",
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RC.nb_nr_macrlc_inst * sizeof(gNB_MAC_INST *),
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RC.nb_nr_macrlc_inst, sizeof(gNB_MAC_INST));
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LOG_D(MAC,"[MAIN] ALLOCATE %zu Bytes for %d gNB_MAC_INST @ %p\n",sizeof(gNB_MAC_INST), RC.nb_nr_macrlc_inst, RC.mac);
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bzero(RC.nrmac[i], sizeof(gNB_MAC_INST));
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RC.nrmac[i]->Mod_id = i;
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RC.nrmac[i]->tag = (NR_TAG_t*)malloc(sizeof(NR_TAG_t));
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memset((void*)RC.nrmac[i]->tag,0,sizeof(NR_TAG_t));
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for (j = 0; j < MAX_NUM_CCs; j++) {
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RC.nrmac[i]->DL_req[j].dl_config_request_body.dl_config_pdu_list = RC.nrmac[i]->dl_config_pdu_list[j];
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//FK changed UL_req to UL_tti_req, which does not contain a pointer to the pdu_list
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//RC.nrmac[i]->UL_req[j].ul_config_request_body.ul_config_pdu_list = RC.nrmac[i]->ul_config_pdu_list[j];
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//for (int k = 0; k < 10; k++)
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// RC.nrmac[i]->UL_req_tmp[j][k].ul_config_request_body.ul_config_pdu_list =RC.nrmac[i]->ul_config_pdu_list_tmp[j][k];
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RC.nrmac[i]->HI_DCI0_req[j].hi_dci0_request_body.hi_dci0_pdu_list = RC.nrmac[i]->hi_dci0_pdu_list[j];
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RC.nrmac[i]->TX_req[j].tx_request_body.tx_pdu_list = RC.nrmac[i]->tx_request_pdu[j];
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RC.nrmac[i]->ul_handle = 0;
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// Init PDCCH structures
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nr_init_coreset(&RC.nrmac[i]->coreset[j][1]);
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nr_init_search_space(&RC.nrmac[i]->search_space[j][1]);
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}
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}//END for (i = 0; i < RC.nb_nr_macrlc_inst; i++)
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AssertFatal(rlc_module_init(1) == 0,"Could not initialize RLC layer\n");
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// These should be out of here later
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pdcp_layer_init();
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if(IS_SOFTMODEM_NOS1)
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nr_ip_over_LTE_DRB_preconfiguration();
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rrc_init_nr_global_param();
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}else {
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RC.nrmac = NULL;
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}
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// Initialize Linked-List for Active UEs
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for (i = 0; i < RC.nb_nr_macrlc_inst; i++) {
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nrmac = RC.nrmac[i];
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nrmac->if_inst = NR_IF_Module_init(i);
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UE_list = &nrmac->UE_list;
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UE_list->num_UEs = 0;
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UE_list->head = -1;
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UE_list->head_ul = -1;
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UE_list->avail = 0;
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for (list_el = 0; list_el < MAX_MOBILES_PER_ENB - 1; list_el++) {
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UE_list->next[list_el] = list_el + 1;
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UE_list->next_ul[list_el] = list_el + 1;
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}
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UE_list->next[list_el] = -1;
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UE_list->next_ul[list_el] = -1;
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/*memset(UE_list->DLSCH_pdu, 0, sizeof(UE_list->DLSCH_pdu));
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memset(UE_list->UE_template, 0, sizeof(UE_list->UE_template));
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memset(UE_list->eNB_UE_stats, 0, sizeof(UE_list->eNB_UE_stats));
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memset(UE_list->UE_sched_ctrl, 0, sizeof(UE_list->UE_sched_ctrl));
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memset(UE_list->active, 0, sizeof(UE_list->active));*/
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}
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}
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