/* * 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 #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" #include #include "common/utils/system.h" extern RAN_CONTEXT_t RC; void lte_dump_mac_stats(eNB_MAC_INST *mac, FILE *fd) { UE_info_t *UE_info = &(mac->UE_info); for (int UE_id = 0; UE_id < MAX_MOBILES_PER_ENB; UE_id++) { if (UE_info->active[UE_id]) { int rnti = UE_RNTI(mac->Mod_id, UE_id); int CC_id = UE_PCCID(mac->Mod_id, UE_id); UE_sched_ctrl_t *UE_scheduling_control = &(UE_info->UE_sched_ctrl[UE_id]); double total_bler; if (UE_scheduling_control->pusch_rx_num[CC_id] == 0 && UE_scheduling_control->pusch_rx_error_num[CC_id] == 0) { total_bler = 0; } else { total_bler = (double)UE_scheduling_control->pusch_rx_error_num[CC_id] / (double)(UE_scheduling_control->pusch_rx_error_num[CC_id] + UE_scheduling_control->pusch_rx_num[CC_id]) * 100; } fprintf(fd, "MAC UE rnti %x : %s, PHR %d DLCQI %d PUSCH %d PUCCH %d RLC disc %u UL-stat rcv %lu err %lu bler %lf (%lf/%lf) total_bler %lf mcsoff %d pre_allocated nb_rb %d, mcs %d, bsr %d sched %d " "tbs %lu cnt %u , DL-stat tbs %lu cnt %u rb %u buf %d 1st %u ret %u ri %d inactivity timer %d\n", rnti, UE_scheduling_control->ul_out_of_sync == 0 ? "in synch" : "out of sync", UE_info->UE_template[CC_id][UE_id].phr_info, UE_scheduling_control->dl_cqi[CC_id], UE_scheduling_control->pusch_snr /*_avg*/[CC_id], UE_scheduling_control->pucch1_snr[CC_id], UE_scheduling_control->rlc_out_of_resources_cnt, UE_scheduling_control->pusch_rx_num[CC_id], UE_scheduling_control->pusch_rx_error_num[CC_id], UE_scheduling_control->pusch_bler[CC_id], mac->bler_lower, mac->bler_upper, total_bler, UE_scheduling_control->mcs_offset[CC_id], UE_info->UE_template[CC_id][UE_id].pre_allocated_nb_rb_ul, UE_info->UE_template[CC_id][UE_id].pre_assigned_mcs_ul, UE_info->UE_template[CC_id][UE_id].estimated_ul_buffer, UE_info->UE_template[CC_id][UE_id].scheduled_ul_bytes, UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes_rx, UE_info->eNB_UE_stats[CC_id][UE_id].total_num_pdus_rx, UE_info->eNB_UE_stats[CC_id][UE_id].total_pdu_bytes, UE_info->eNB_UE_stats[CC_id][UE_id].total_num_pdus, UE_info->eNB_UE_stats[CC_id][UE_id].total_rbs_used, #if defined(PRE_SCD_THREAD) UE_info->UE_template[CC_id][UE_id].dl_buffer_total, #else 0, #endif UE_scheduling_control->first_cnt[CC_id], UE_scheduling_control->ret_cnt[CC_id], UE_scheduling_control->aperiodic_ri_received[CC_id], UE_scheduling_control->ul_inactivity_timer); fprintf(fd," ULSCH rounds %d/%d/%d/%d, DLSCH rounds %d/%d/%d/%d, ULSCH errors %d, DLSCH errors %d\n", UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_rounds[0], UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_rounds[1], UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_rounds[2], UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_rounds[3], UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_rounds[0], UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_rounds[1], UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_rounds[2], UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_rounds[3], UE_info->eNB_UE_stats[CC_id][UE_id].ulsch_errors, UE_info->eNB_UE_stats[CC_id][UE_id].dlsch_errors); } } fflush(fd); return; } void *mac_stats_thread(void *param) { eNB_MAC_INST *mac = (eNB_MAC_INST *)param; FILE *fd; while (!oai_exit) { sleep(1); fd = fopen("MAC_stats.log", "w+"); AssertFatal(fd != NULL, "Cannot open MAC_stats.log\n"); lte_dump_mac_stats(mac, fd); fclose(fd); } return NULL; } 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(); for (i = 0; i < RC.nb_macrlc_inst; i++) threadCreate(&mac[i]->mac_stats_thread, mac_stats_thread, (void *)mac[i], "mac stats", -1, sched_get_priority_min(SCHED_OAI)); } void mac_init_cell_params(int Mod_idP, int CC_idP) { int j; UE_TEMPLATE *UE_template; //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; } 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); }