/*
* 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 oairu.c
* \brief Top-level threads for radio-unit
* \author R. Knopp
* \date 2020
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr
* \note
* \warning
*/
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <sched.h>
#include "assertions.h"
#include "PHY/types.h"
#include "PHY/defs_RU.h"
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#include "../../ARCH/COMMON/common_lib.h"
#include "../../ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
#include "PHY/phy_vars.h"
#include "SCHED/sched_common_vars.h"
#include "PHY/TOOLS/phy_scope_interface.h"
#include "common/utils/LOG/log.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "PHY/INIT/phy_init.h"
#include "openair2/ENB_APP/enb_paramdef.h"
#include "system.h"
#include <executables/split_headers.h>
#include <executables/softmodem-common.h>
#include <executables/thread-common.h>
static int DEFBANDS[] = {7};
static int DEFENBS[] = {0};
static int DEFBFW[] = {0x00007fff};
THREAD_STRUCT thread_struct;
pthread_cond_t sync_cond;
pthread_mutex_t sync_mutex;
int sync_var=-1; //!< protected by mutex \ref sync_mutex.
int config_sync_var=-1;
volatile int oai_exit = 0;
uint16_t sf_ahead = 4;
RU_t ru_m;
extern void init_RU0(RU_t *ru,int ru_id,char *rf_config_file, int send_dmrssync);
extern void init_RU_proc(RU_t *ru);
extern void kill_RU_proc(RU_t *ru);
extern void set_function_spec_param(RU_t *ru);
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
void nfapi_setmode(nfapi_mode_t nfapi_mode) { return; }
void exit_function(const char *file, const char *function, const int line, const char *s) {
if (s != NULL) {
printf("%s:%d %s() Exiting OAI softmodem: %s\n",file,line, function, s);
}
close_log_mem();
oai_exit = 1;
if (ru_m.rfdevice.trx_end_func) {
ru_m.rfdevice.trx_end_func(&ru_m.rfdevice);
ru_m.rfdevice.trx_end_func = NULL;
}
if (ru_m.ifdevice.trx_end_func) {
ru_m.ifdevice.trx_end_func(&ru_m.ifdevice);
ru_m.ifdevice.trx_end_func = NULL;
}
pthread_mutex_destroy(ru_m.ru_mutex);
pthread_cond_destroy(ru_m.ru_cond);
sleep(1); //allow lte-softmodem threads to exit first
exit(1);
}
static void get_options(void) {
CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
get_common_options(SOFTMODEM_ENB_BIT );
CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP);
//RCConfig();
}
extern void phy_free_RU(RU_t *);
nfapi_mode_t nfapi_getmode(void) {
return(NFAPI_MODE_PNF);
}
void oai_nfapi_rach_ind(nfapi_rach_indication_t *rach_ind) {
AssertFatal(1==0,"This is bad ... please check why we get here\n");
}
void wait_eNBs(void){ return; }
uint64_t downlink_frequency[MAX_NUM_CCs][4];
int main ( int argc, char **argv )
{
if ( load_configmodule(argc,argv,0) == NULL) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
logInit();
printf("Reading in command-line options\n");
get_options ();
if (CONFIG_ISFLAGSET(CONFIG_ABORT) ) {
fprintf(stderr,"Getting configuration failed\n");
exit(-1);
}
#if T_TRACER
T_Config_Init();
#endif
printf("configuring for RRU\n");
#ifndef PACKAGE_VERSION
# define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL"
#endif
LOG_I(HW, "Version: %s\n", PACKAGE_VERSION);
/* Read configuration */
printf("About to Init RU threads\n");
RU_t *ru=&ru_m;
paramdef_t RUParams[] = RUPARAMS_DESC;
paramlist_def_t RUParamList = {CONFIG_STRING_RU_LIST,NULL,0};
config_getlist( &RUParamList,RUParams,sizeof(RUParams)/sizeof(paramdef_t), NULL);
int j=0;
uint64_t ru_mask=1;
pthread_mutex_t ru_mutex; pthread_mutex_init(&ru_mutex,NULL);
pthread_cond_t ru_cond; pthread_cond_init(&ru_cond,NULL);
ru->ru_mask= &ru_mask;
ru->ru_mutex = &ru_mutex;
ru->ru_cond = &ru_cond;
ru->if_timing = synch_to_ext_device;
ru->num_eNB = 0;
ru->has_ctrl_prt = 1;
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_ADDRS)) {
ru->openair0_cfg.sdr_addrs = strdup(*(RUParamList.paramarray[j][RU_SDR_ADDRS].strptr));
}
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_CLK_SRC)) {
if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "internal") == 0) {
ru->openair0_cfg.clock_source = internal;
LOG_D(PHY, "RU clock source set as internal\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "external") == 0) {
ru->openair0_cfg.clock_source = external;
LOG_D(PHY, "RU clock source set as external\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr), "gpsdo") == 0) {
ru->openair0_cfg.clock_source = gpsdo;
LOG_D(PHY, "RU clock source set as gpsdo\n");
} else {
LOG_E(PHY, "Erroneous RU clock source in the provided configuration file: '%s'\n", *(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr));
}
}
else {
ru->openair0_cfg.clock_source = unset;
}
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_TME_SRC)) {
if (strcmp(*(RUParamList.paramarray[j][RU_SDR_TME_SRC].strptr), "internal") == 0) {
ru->openair0_cfg.time_source = internal;
LOG_D(PHY, "RU time source set as internal\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_TME_SRC].strptr), "external") == 0) {
ru->openair0_cfg.time_source = external;
LOG_D(PHY, "RU time source set as external\n");
} else if (strcmp(*(RUParamList.paramarray[j][RU_SDR_TME_SRC].strptr), "gpsdo") == 0) {
ru->openair0_cfg.time_source = gpsdo;
LOG_D(PHY, "RU time source set as gpsdo\n");
} else {
LOG_E(PHY, "Erroneous RU time source in the provided configuration file: '%s'\n", *(RUParamList.paramarray[j][RU_SDR_CLK_SRC].strptr));
}
}
else {
ru->openair0_cfg.time_source = unset;
}
if (strcmp(*(RUParamList.paramarray[j][RU_LOCAL_RF_IDX].strptr), "yes") == 0) {
if ( !(config_isparamset(RUParamList.paramarray[j],RU_LOCAL_IF_NAME_IDX)) ) {
AssertFatal(1==0,"IF_NAME is required\n");
} else {
ru->eth_params.local_if_name = strdup(*(RUParamList.paramarray[j][RU_LOCAL_IF_NAME_IDX].strptr));
ru->eth_params.my_addr = strdup(*(RUParamList.paramarray[j][RU_LOCAL_ADDRESS_IDX].strptr));
ru->eth_params.remote_addr = strdup(*(RUParamList.paramarray[j][RU_REMOTE_ADDRESS_IDX].strptr));
ru->eth_params.my_portd = *(RUParamList.paramarray[j][RU_LOCAL_PORTD_IDX].uptr);
ru->eth_params.remote_portd = *(RUParamList.paramarray[j][RU_REMOTE_PORTD_IDX].uptr);
// Check if control port set
if (!(config_isparamset(RUParamList.paramarray[j],RU_REMOTE_PORTC_IDX)) ) {
printf("Removing control port for RU %d\n",j);
ru->has_ctrl_prt = 0;
} else {
ru->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
ru->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
printf(" Control port %u \n",ru->eth_params.my_portc);
}
if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp") == 0) {
ru->if_south = LOCAL_RF;
ru->function = NGFI_RRU_IF5;
ru->eth_params.transp_preference = ETH_UDP_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF5 (udp)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw") == 0) {
ru->if_south = LOCAL_RF;
ru->function = NGFI_RRU_IF5;
ru->eth_params.transp_preference = ETH_RAW_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF5 (raw)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp_if4p5") == 0) {
ru->if_south = LOCAL_RF;
ru->function = NGFI_RRU_IF4p5;
ru->eth_params.transp_preference = ETH_UDP_IF4p5_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF4p5 (udp)\n",j);
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if4p5") == 0) {
ru->if_south = LOCAL_RF;
ru->function = NGFI_RRU_IF4p5;
ru->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF4p5 (raw)\n",j);
}
printf("RU %d is_slave=%s\n",j,*(RUParamList.paramarray[j][RU_IS_SLAVE_IDX].strptr));
if (strcmp(*(RUParamList.paramarray[j][RU_IS_SLAVE_IDX].strptr), "yes") == 0) ru->is_slave=1;
else ru->is_slave=0;
printf("RU %d ota_sync_enabled=%s\n",j,*(RUParamList.paramarray[j][RU_OTA_SYNC_ENABLE_IDX].strptr));
if (strcmp(*(RUParamList.paramarray[j][RU_OTA_SYNC_ENABLE_IDX].strptr), "yes") == 0) ru->ota_sync_enable=1;
else ru->ota_sync_enable=0;
}
ru->max_pdschReferenceSignalPower = *(RUParamList.paramarray[j][RU_MAX_RS_EPRE_IDX].uptr);;
ru->max_rxgain = *(RUParamList.paramarray[j][RU_MAX_RXGAIN_IDX].uptr);
ru->num_bands = RUParamList.paramarray[j][RU_BAND_LIST_IDX].numelt;
/* sf_extension is in unit of samples for 30.72MHz here, has to be scaled later */
ru->sf_extension = *(RUParamList.paramarray[j][RU_SF_EXTENSION_IDX].uptr);
for (int i=0; i<ru->num_bands; i++) ru->band[i] = RUParamList.paramarray[j][RU_BAND_LIST_IDX].iptr[i];
} //strcmp(local_rf, "yes") == 0
else {
printf("RU %d: Transport %s\n",j,*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr));
ru->eth_params.local_if_name = strdup(*(RUParamList.paramarray[j][RU_LOCAL_IF_NAME_IDX].strptr));
ru->eth_params.my_addr = strdup(*(RUParamList.paramarray[j][RU_LOCAL_ADDRESS_IDX].strptr));
ru->eth_params.remote_addr = strdup(*(RUParamList.paramarray[j][RU_REMOTE_ADDRESS_IDX].strptr));
ru->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
ru->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
ru->eth_params.my_portd = *(RUParamList.paramarray[j][RU_LOCAL_PORTD_IDX].uptr);
ru->eth_params.remote_portd = *(RUParamList.paramarray[j][RU_REMOTE_PORTD_IDX].uptr);
if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp") == 0) {
ru->if_south = REMOTE_IF5;
ru->function = NGFI_RAU_IF5;
ru->eth_params.transp_preference = ETH_UDP_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw") == 0) {
ru->if_south = REMOTE_IF5;
ru->function = NGFI_RAU_IF5;
ru->eth_params.transp_preference = ETH_RAW_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp_if4p5") == 0) {
ru->if_south = REMOTE_IF4p5;
ru->function = NGFI_RAU_IF4p5;
ru->eth_params.transp_preference = ETH_UDP_IF4p5_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if4p5") == 0) {
ru->if_south = REMOTE_IF4p5;
ru->function = NGFI_RAU_IF4p5;
ru->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
}
if (strcmp(*(RUParamList.paramarray[j][RU_IS_SLAVE_IDX].strptr), "yes") == 0) ru->is_slave=1;
else ru->is_slave=0;
} /* strcmp(local_rf, "yes") != 0 */
ru->nb_tx = *(RUParamList.paramarray[j][RU_NB_TX_IDX].uptr);
ru->nb_rx = *(RUParamList.paramarray[j][RU_NB_RX_IDX].uptr);
ru->att_tx = *(RUParamList.paramarray[j][RU_ATT_TX_IDX].uptr);
ru->att_rx = *(RUParamList.paramarray[j][RU_ATT_RX_IDX].uptr);
set_worker_conf("WORKER_ENABLE");
mlockall(MCL_CURRENT | MCL_FUTURE);
pthread_cond_init(&sync_cond,NULL);
pthread_mutex_init(&sync_mutex, NULL);
init_RU0(ru,0,get_softmodem_params()->rf_config_file,get_softmodem_params()->send_dmrs_sync);
ru->rf_map.card=0;
ru->rf_map.chain=(get_softmodem_params()->chain_offset);
LOG_I(PHY, "Initializing RRU descriptor : (%s,%s,%d)\n", ru_if_types[ru->if_south], NB_timing[ru->if_timing], ru->function);
set_function_spec_param(ru);
LOG_I(PHY, "Starting ru_thread , is_slave %d, send_dmrs %d\n", ru->is_slave, ru->generate_dmrs_sync);
init_RU_proc(ru);
pthread_mutex_lock(&ru_mutex);
while (ru_mask>0)
pthread_cond_wait(&ru_cond,&ru_mutex);
pthread_mutex_unlock(&ru_mutex);
LOG_I(PHY,"RU configured, unlocking threads\n");
config_sync_var=0;
pthread_mutex_lock(&sync_mutex);
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
while (oai_exit==0) sleep(1);
// stop threads
kill_RU_proc(ru);
phy_free_RU(ru);
free_lte_top();
end_configmodule();
if (ru->rfdevice.trx_end_func) {
ru->rfdevice.trx_end_func(&ru->rfdevice);
ru->rfdevice.trx_end_func = NULL;
}
if (ru->ifdevice.trx_end_func) {
ru->ifdevice.trx_end_func(&ru->ifdevice);
ru->ifdevice.trx_end_func = NULL;
}
logClean();
printf("Bye.\n");
return 0;
}