maki/openairinterface5g
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
Files
2161ff6cfa2b422322db07e4f032dc2bfccc5aa9
openairinterface5g/openair2/LAYER2/MAC/main.c
T

266 lines
7.7 KiB
C
Raw Blame History

/*
* 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_list(UE_list_t *UE_list)
{
int list_el;
UE_list->num_UEs = 0;
UE_list->head = -1;
UE_list->head_ul = -1;
UE_list->avail = 0;
for (list_el = 0; list_el < MAX_MOBILES_PER_ENB - 1; list_el++) {
UE_list->next[list_el] = list_el + 1;
UE_list->next_ul[list_el] = list_el + 1;
}
UE_list->next[list_el] = -1;
UE_list->next_ul[list_el] = -1;
memset(UE_list->DLSCH_pdu, 0, sizeof(UE_list->DLSCH_pdu));
memset(UE_list->UE_template, 0, sizeof(UE_list->UE_template));
memset(UE_list->eNB_UE_stats, 0, sizeof(UE_list->eNB_UE_stats));
memset(UE_list->UE_sched_ctrl, 0, sizeof(UE_list->UE_sched_ctrl));
memset(UE_list->active, 0, sizeof(UE_list->active));
memset(UE_list->assoc_dl_slice_idx, 0, sizeof(UE_list->assoc_dl_slice_idx));
memset(UE_list->assoc_ul_slice_idx, 0, sizeof(UE_list->assoc_ul_slice_idx));
}
void init_slice_info(slice_info_t *sli)
{
sli->intraslice_share_active = 1;
sli->interslice_share_active = 1;
sli->n_dl = 1;
memset(sli->dl, 0, sizeof(slice_sched_conf_dl_t) * MAX_NUM_SLICES);
sli->dl[0].pct = 1.0;
sli->dl[0].prio = 10;
sli->dl[0].pos_high = N_RBG_MAX;
sli->dl[0].maxmcs = 28;
sli->dl[0].sorting = 0x012345;
sli->dl[0].sched_name = "schedule_ue_spec";
sli->dl[0].sched_cb = dlsym(NULL, sli->dl[0].sched_name);
AssertFatal(sli->dl[0].sched_cb, "DLSCH scheduler callback is NULL\n");
sli->n_ul = 1;
memset(sli->ul, 0, sizeof(slice_sched_conf_ul_t) * MAX_NUM_SLICES);
sli->ul[0].pct = 1.0;
sli->ul[0].maxmcs = 20;
sli->ul[0].sorting = 0x0123;
sli->ul[0].sched_name = "schedule_ulsch_rnti";
sli->ul[0].sched_cb = dlsym(NULL, sli->ul[0].sched_name);
AssertFatal(sli->ul[0].sched_cb, "ULSCH scheduler callback is NULL\n");
}
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);
init_UE_list(&mac[i]->UE_list);
init_slice_info(&mac[i]->slice_info);
}
RC.mac = mac;
AssertFatal(rlc_module_init() == 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_list.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_list.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() != 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;
}
Reference in New Issue View Git Blame Copy Permalink