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openairinterface5g/openair2/LAYER2/MAC/main.c
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/*
* 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"
#include <pthread.h>
#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);
}
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