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openairinterface5g/openair2/LAYER2/NR_MAC_gNB/main.c
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2022-07-05 20:39:08 +01:00

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9.0 KiB
C

/*
* 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, WEI-TAI CHEN
* \date 2010 - 2014, 2018
* \version 1.0
* \company Eurecom, NTUST
* \email: navid.nikaein@eurecom.fr, kroempa@gmail.com
* @ingroup _mac
*/
#include "NR_MAC_gNB/mac_proto.h"
#include "NR_MAC_COMMON/nr_mac_extern.h"
#include "assertions.h"
#include "LAYER2/nr_pdcp/nr_pdcp_entity.h"
#include "RRC/NR/nr_rrc_defs.h"
#include "common/utils/LOG/log.h"
//#include "RRC/L2_INTERFACE/openair_rrc_L2_interface.h"
#include "common/ran_context.h"
#include "executables/softmodem-common.h"
extern RAN_CONTEXT_t RC;
#define MACSTATSSTRLEN 65536
void *nrmac_stats_thread(void *arg) {
gNB_MAC_INST *gNB = (gNB_MAC_INST *)arg;
char output[MACSTATSSTRLEN] = {0};
const char *end = output + MACSTATSSTRLEN;
FILE *file = fopen("nrMAC_stats.log","w");
AssertFatal(file!=NULL,"Cannot open nrMAC_stats.log, error %s\n",strerror(errno));
while (oai_exit == 0) {
char *p = output;
p += dump_mac_stats(gNB, p, end - p, false);
p += snprintf(p, end - p, "\n");
p += print_meas_log(&gNB->eNB_scheduler, "DL & UL scheduling timing", NULL, NULL, p, end - p);
p += print_meas_log(&gNB->schedule_dlsch, "dlsch scheduler", NULL, NULL, p, end - p);
p += print_meas_log(&gNB->rlc_data_req, "rlc_data_req", NULL, NULL, p, end - p);
p += print_meas_log(&gNB->rlc_status_ind, "rlc_status_ind", NULL, NULL, p, end - p);
fwrite(output, p - output, 1, file);
fflush(file);
sleep(1);
fseek(file,0,SEEK_SET);
}
fclose(file);
return NULL;
}
void clear_mac_stats(gNB_MAC_INST *gNB) {
UE_iterator(gNB->UE_info.list, UE) {
memset(&UE->mac_stats,0,sizeof(UE->mac_stats));
}
}
size_t dump_mac_stats(gNB_MAC_INST *gNB, char *output, size_t strlen, bool reset_rsrp)
{
int num = 1;
const char *begin = output;
const char *end = output + strlen;
pthread_mutex_lock(&gNB->UE_info.mutex);
UE_iterator(gNB->UE_info.list, UE) {
NR_UE_sched_ctrl_t *sched_ctrl = &UE->UE_sched_ctrl;
NR_mac_stats_t *stats = &UE->mac_stats;
const int avg_rsrp = stats->num_rsrp_meas > 0 ? stats->cumul_rsrp / stats->num_rsrp_meas : 0;
output += snprintf(output,
end - output,
"UE RNTI %04x (%d) PH %d dB PCMAX %d dBm, average RSRP %d (%d meas)\n",
UE->rnti,
num++,
sched_ctrl->ph,
sched_ctrl->pcmax,
avg_rsrp,
stats->num_rsrp_meas);
output += snprintf(output,
end - output,
"UE %04x: CQI %d, RI %d, PMI (%d,%d)\n",
UE->rnti,
UE->UE_sched_ctrl.CSI_report.cri_ri_li_pmi_cqi_report.wb_cqi_1tb,
UE->UE_sched_ctrl.CSI_report.cri_ri_li_pmi_cqi_report.ri+1,
UE->UE_sched_ctrl.CSI_report.cri_ri_li_pmi_cqi_report.pmi_x1,
UE->UE_sched_ctrl.CSI_report.cri_ri_li_pmi_cqi_report.pmi_x2);
if (stats->srs_stats[0] != '\0') {
output += snprintf(output, end - output, "UE %04x: %s\n", UE->rnti, stats->srs_stats);
}
output += snprintf(output,
end - output,
"UE %04x: dlsch_rounds %"PRIu64"/%"PRIu64"/%"PRIu64"/%"PRIu64", dlsch_errors %"PRIu64", pucch0_DTX %d, BLER %.5f MCS %d\n",
UE->rnti,
stats->dl.rounds[0], stats->dl.rounds[1],
stats->dl.rounds[2], stats->dl.rounds[3],
stats->dl.errors,
stats->pucch0_DTX,
sched_ctrl->dl_bler_stats.bler,
sched_ctrl->dl_bler_stats.mcs);
if (reset_rsrp) {
stats->num_rsrp_meas = 0;
stats->cumul_rsrp = 0;
}
output += snprintf(output,
end - output,
"UE %04x: dlsch_total_bytes %"PRIu64"\n",
UE->rnti,
stats->dl.total_bytes);
output += snprintf(output,
end - output,
"UE %04x: ulsch_rounds %"PRIu64"/%"PRIu64"/%"PRIu64"/%"PRIu64", ulsch_DTX %d, ulsch_errors %"PRIu64", BLER %.5f MCS %d\n",
UE->rnti,
stats->ul.rounds[0], stats->ul.rounds[1],
stats->ul.rounds[2], stats->ul.rounds[3],
stats->ulsch_DTX,
stats->ul.errors,
sched_ctrl->ul_bler_stats.bler,
sched_ctrl->ul_bler_stats.mcs);
output += snprintf(output,
end - output,
"UE %04x: ulsch_total_bytes_scheduled %"PRIu64", ulsch_total_bytes_received %"PRIu64"\n",
UE->rnti,
stats->ulsch_total_bytes_scheduled, stats->ul.total_bytes);
for (int lc_id = 0; lc_id < 63; lc_id++) {
if (stats->dl.lc_bytes[lc_id] > 0)
output += snprintf(output,
end - output,
"UE %04x: LCID %d: %"PRIu64" bytes TX\n",
UE->rnti,
lc_id,
stats->dl.lc_bytes[lc_id]);
if (stats->ul.lc_bytes[lc_id] > 0)
output += snprintf(output,
end - output,
"UE %04x: LCID %d: %"PRIu64" bytes RX\n",
UE->rnti,
lc_id,
stats->ul.lc_bytes[lc_id]);
}
}
pthread_mutex_unlock(&gNB->UE_info.mutex);
return output - begin;
}
void mac_top_init_gNB(void)
{
module_id_t i;
gNB_MAC_INST *nrmac;
LOG_I(MAC, "[MAIN] Init function start:nb_nr_macrlc_inst=%d\n",RC.nb_nr_macrlc_inst);
if (RC.nb_nr_macrlc_inst > 0) {
RC.nrmac = (gNB_MAC_INST **) malloc16(RC.nb_nr_macrlc_inst *sizeof(gNB_MAC_INST *));
AssertFatal(RC.nrmac != NULL,"can't ALLOCATE %zu Bytes for %d gNB_MAC_INST with size %zu \n",
RC.nb_nr_macrlc_inst * sizeof(gNB_MAC_INST *),
RC.nb_nr_macrlc_inst, sizeof(gNB_MAC_INST));
for (i = 0; i < RC.nb_nr_macrlc_inst; i++) {
RC.nrmac[i] = (gNB_MAC_INST *) malloc16(sizeof(gNB_MAC_INST));
AssertFatal(RC.nrmac != NULL,"can't ALLOCATE %zu Bytes for %d gNB_MAC_INST with size %zu \n",
RC.nb_nr_macrlc_inst * sizeof(gNB_MAC_INST *),
RC.nb_nr_macrlc_inst, sizeof(gNB_MAC_INST));
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);
bzero(RC.nrmac[i], sizeof(gNB_MAC_INST));
RC.nrmac[i]->Mod_id = i;
RC.nrmac[i]->tag = (NR_TAG_t*)malloc(sizeof(NR_TAG_t));
memset((void*)RC.nrmac[i]->tag,0,sizeof(NR_TAG_t));
RC.nrmac[i]->ul_handle = 0;
RC.nrmac[i]->first_MIB = true;
pthread_mutex_init(&RC.nrmac[i]->UE_info.mutex, NULL);
if (get_softmodem_params()->phy_test) {
RC.nrmac[i]->pre_processor_dl = nr_preprocessor_phytest;
RC.nrmac[i]->pre_processor_ul = nr_ul_preprocessor_phytest;
} else {
RC.nrmac[i]->pre_processor_dl = nr_init_fr1_dlsch_preprocessor(i, 0);
RC.nrmac[i]->pre_processor_ul = nr_init_fr1_ulsch_preprocessor(i, 0);
}
if (!IS_SOFTMODEM_NOSTATS_BIT)
pthread_create(&RC.nrmac[i]->stats_thread, NULL, nrmac_stats_thread, (void*)RC.nrmac[i]);
}//END for (i = 0; i < RC.nb_nr_macrlc_inst; i++)
AssertFatal(rlc_module_init(1) == 0,"Could not initialize RLC layer\n");
// These should be out of here later
pdcp_layer_init();
if(IS_SOFTMODEM_NOS1 && get_softmodem_params()->phy_test)
nr_DRB_preconfiguration(0x1234);
rrc_init_nr_global_param();
} else {
RC.nrmac = NULL;
}
// Initialize Linked-List for Active UEs
for (i = 0; i < RC.nb_nr_macrlc_inst; i++) {
nrmac = RC.nrmac[i];
nrmac->if_inst = NR_IF_Module_init(i);
memset(&nrmac->UE_info, 0, sizeof(nrmac->UE_info));
}
srand48(0);
}