/* * 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 main.c * \brief top init of Layer 2 * \author Navid Nikaein and Raymond Knopp * \date 2010 - 2014 * \version 1.0 * \email: navid.nikaein@eurecom.fr * @ingroup _mac */ #include <dlfcn.h> #include "mac.h" #include "mac_proto.h" #include "mac_extern.h" #include "assertions.h" #include "LAYER2/PDCP_v10.1.0/pdcp.h" #include "RRC/LTE/rrc_defs.h" #include "common/utils/LOG/log.h" #include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h" #include "common/ran_context.h" #include "intertask_interface.h" extern RAN_CONTEXT_t RC; void init_UE_info(UE_info_t *UE_info) { UE_info->num_UEs = 0; init_ue_list(&UE_info->list); memset(UE_info->DLSCH_pdu, 0, sizeof(UE_info->DLSCH_pdu)); memset(UE_info->UE_template, 0, sizeof(UE_info->UE_template)); memset(UE_info->eNB_UE_stats, 0, sizeof(UE_info->eNB_UE_stats)); memset(UE_info->UE_sched_ctrl, 0, sizeof(UE_info->UE_sched_ctrl)); memset(UE_info->active, 0, sizeof(UE_info->active)); } void mac_top_init_eNB(void) { module_id_t i, j; eNB_MAC_INST **mac; LOG_I(MAC, "[MAIN] Init function start:nb_macrlc_inst=%d\n", RC.nb_macrlc_inst); if (RC.nb_macrlc_inst <= 0) { RC.mac = NULL; return; } mac = malloc16(RC.nb_macrlc_inst * sizeof(eNB_MAC_INST *)); AssertFatal(mac != NULL, "can't ALLOCATE %zu Bytes for %d eNB_MAC_INST with size %zu \n", RC.nb_macrlc_inst * sizeof(eNB_MAC_INST *), RC.nb_macrlc_inst, sizeof(eNB_MAC_INST)); for (i = 0; i < RC.nb_macrlc_inst; i++) { mac[i] = malloc16(sizeof(eNB_MAC_INST)); AssertFatal(mac[i] != NULL, "can't ALLOCATE %zu Bytes for %d eNB_MAC_INST with size %zu \n", RC.nb_macrlc_inst * sizeof(eNB_MAC_INST *), RC.nb_macrlc_inst, sizeof(eNB_MAC_INST)); LOG_D(MAC, "[MAIN] ALLOCATE %zu Bytes for %d eNB_MAC_INST @ %p\n", sizeof(eNB_MAC_INST), RC.nb_macrlc_inst, mac); bzero(mac[i], sizeof(eNB_MAC_INST)); mac[i]->Mod_id = i; for (j = 0; j < MAX_NUM_CCs; j++) { mac[i]->DL_req[j].dl_config_request_body.dl_config_pdu_list = mac[i]->dl_config_pdu_list[j]; mac[i]->UL_req[j].ul_config_request_body.ul_config_pdu_list = mac[i]->ul_config_pdu_list[j]; for (int k = 0; k < 10; k++) mac[i]->UL_req_tmp[j][k].ul_config_request_body.ul_config_pdu_list = mac[i]->ul_config_pdu_list_tmp[j][k]; for(int sf=0;sf<10;sf++) mac[i]->HI_DCI0_req[j][sf].hi_dci0_request_body.hi_dci0_pdu_list = mac[i]->hi_dci0_pdu_list[j][sf]; mac[i]->TX_req[j].tx_request_body.tx_pdu_list = mac[i]->tx_request_pdu[j]; mac[i]->ul_handle = 0; } mac[i]->if_inst = IF_Module_init(i); mac[i]->pre_processor_dl.algorithm = 0; mac[i]->pre_processor_dl.dl = dlsch_scheduler_pre_processor; char *s = "round_robin_dl"; void *d = dlsym(NULL, s); AssertFatal(d, "%s(): no scheduler algo '%s' found\n", __func__, s); mac[i]->pre_processor_dl.dl_algo = *(default_sched_dl_algo_t *) d; mac[i]->pre_processor_dl.dl_algo.data = mac[i]->pre_processor_dl.dl_algo.setup(); mac[i]->pre_processor_ul.algorithm = 0; mac[i]->pre_processor_ul.ul = ulsch_scheduler_pre_processor; s = "round_robin_ul"; d = dlsym(NULL, s); AssertFatal(d, "%s(): no scheduler algo '%s' found\n", __func__, s); mac[i]->pre_processor_ul.ul_algo = *(default_sched_ul_algo_t *) d; mac[i]->pre_processor_ul.ul_algo.data = mac[i]->pre_processor_ul.ul_algo.setup(); init_UE_info(&mac[i]->UE_info); } RC.mac = mac; AssertFatal(rlc_module_init(1) == 0, "Could not initialize RLC layer\n"); // These should be out of here later pdcp_layer_init(); rrc_init_global_param(); } void mac_init_cell_params(int Mod_idP, int CC_idP) { int j; UE_TEMPLATE *UE_template; LOG_D(MAC, "[MSC_NEW][FRAME 00000][MAC_eNB][MOD %02d][]\n", Mod_idP); //COMMON_channels_t *cc = &RC.mac[Mod_idP]->common_channels[CC_idP]; memset(&RC.mac[Mod_idP]->eNB_stats, 0, sizeof(eNB_STATS)); UE_template = (UE_TEMPLATE *) & RC.mac[Mod_idP]->UE_info.UE_template[CC_idP][0]; for (j = 0; j < MAX_MOBILES_PER_ENB; j++) { UE_template[j].rnti = 0; // initiallize the eNB to UE statistics memset(&RC.mac[Mod_idP]->UE_info.eNB_UE_stats[CC_idP][j], 0, sizeof(eNB_UE_STATS)); } } int rlcmac_init_global_param(void) { LOG_I(MAC, "[MAIN] CALLING RLC_MODULE_INIT...\n"); if (rlc_module_init(1) != 0) { return (-1); } pdcp_layer_init(); LOG_I(MAC, "[MAIN] Init Global Param Done\n"); return 0; } void mac_top_cleanup(void) { if (NB_UE_INST > 0) { free(UE_mac_inst); } if (RC.nb_macrlc_inst > 0) { free(RC.mac); } } int l2_init_eNB(void) { LOG_I(MAC, "[MAIN] MAC_INIT_GLOBAL_PARAM IN...\n"); rlcmac_init_global_param(); LOG_D(MAC, "[MAIN] ALL INIT OK\n"); return (1); } //----------------------------------------------------------------------------- /* * Main loop of MAC itti message handling */ void *mac_enb_task(void *arg) //----------------------------------------------------------------------------- { MessageDef *received_msg = NULL; int result; itti_mark_task_ready(TASK_MAC_ENB); // void function 10/2019 LOG_I(MAC,"Starting main loop of MAC message task\n"); while (1) { itti_receive_msg(TASK_MAC_ENB, &received_msg); switch (ITTI_MSG_ID(received_msg)) { case RRC_MAC_DRX_CONFIG_REQ: LOG_I(MAC, "MAC Task Received RRC_MAC_DRX_CONFIG_REQ\n"); /* Set timers and thresholds values in local MAC context of UE */ eNB_Config_Local_DRX(ITTI_MESSAGE_GET_INSTANCE(received_msg), &received_msg->ittiMsg.rrc_mac_drx_config_req); break; case TERMINATE_MESSAGE: LOG_W(MAC, " *** Exiting MAC thread\n"); itti_exit_task(); break; default: LOG_E(MAC, "MAC instance received unhandled message: %d:%s\n", ITTI_MSG_ID(received_msg), ITTI_MSG_NAME(received_msg)); break; } // end switch result = itti_free(ITTI_MSG_ORIGIN_ID(received_msg), received_msg); AssertFatal(result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result); received_msg = NULL; } // end while return NULL; }