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034d2cfed63bfe391023058675f3aae0ff63183f
openairinterface5g/executables/nr-softmodem.c
T
Melissa Elkadi 8b2b78e477 Fixed remote_addr.sin_port 
For some reason the htons invocation got deleted which broke
the VNF P7 interface.

Also fixed some build issues, not sure how these got onto the
develop branch to begin with.
2021-02-26 15:57:35 -08:00

999 lines
30 KiB
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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
*/
#define _GNU_SOURCE /* See feature_test_macros(7) */
#include <sched.h>
#include "T.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#include <common/utils/assertions.h>
#include "msc.h"
#include "PHY/types.h"
#include "common/ran_context.h"
#include "PHY/defs_gNB.h"
#include "PHY/defs_common.h"
#include "common/config/config_userapi.h"
#include "common/utils/load_module_shlib.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "../../ARCH/COMMON/common_lib.h"
#include "../../ARCH/ETHERNET/USERSPACE/LIB/if_defs.h"
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/phy_vars.h"
#include "SCHED/sched_common_vars.h"
#include "LAYER2/MAC/mac_vars.h"
#include "RRC/LTE/rrc_vars.h"
#include "PHY_INTERFACE/phy_interface_vars.h"
#include "gnb_config.h"
#include "SIMULATION/TOOLS/sim.h"
#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
#include "common/utils/LOG/log.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
//#include "PHY/TOOLS/time_meas.h"
#ifndef OPENAIR2
#include "UTIL/OTG/otg_vars.h"
#endif
#include "intertask_interface.h"
#include "PHY/INIT/phy_init.h"
#include "system.h"
#include <openair2/GNB_APP/gnb_app.h>
#include "PHY/TOOLS/phy_scope_interface.h"
#include "PHY/TOOLS/nr_phy_scope.h"
#include "stats.h"
#include "nr-softmodem.h"
#include "executables/softmodem-common.h"
#include "executables/thread-common.h"
#include "NB_IoT_interface.h"
#include "x2ap_eNB.h"
#include "ngap_gNB.h"
#include "gnb_paramdef.h"
#include "nfapi/oai_integration/vendor_ext.h"
pthread_cond_t nfapi_sync_cond;
pthread_mutex_t nfapi_sync_mutex;
int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex
extern uint8_t nfapi_mode; // Default to monolithic mode
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 start_gNB = 0;
volatile int oai_exit = 0;
static int wait_for_sync = 0;
unsigned int mmapped_dma=0;
int single_thread_flag=1;
int8_t threequarter_fs=0;
uint64_t downlink_frequency[MAX_NUM_CCs][4];
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
//Temp fix for inexistent NR upper layer
unsigned char NB_gNB_INST = 1;
static char *itti_dump_file = NULL;
int UE_scan = 1;
int UE_scan_carrier = 0;
runmode_t mode = normal_txrx;
static double snr_dB=20;
FILE *input_fd=NULL;
#if MAX_NUM_CCs == 1
rx_gain_t rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain}};
double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{110,0,0,0}};
#else
rx_gain_t rx_gain_mode[MAX_NUM_CCs][4] = {{max_gain,max_gain,max_gain,max_gain},{max_gain,max_gain,max_gain,max_gain}};
double tx_gain[MAX_NUM_CCs][4] = {{20,0,0,0},{20,0,0,0}};
double rx_gain[MAX_NUM_CCs][4] = {{110,0,0,0},{20,0,0,0}};
#endif
double rx_gain_off = 0.0;
double sample_rate=30.72e6;
double bw = 10.0e6;
static int tx_max_power[MAX_NUM_CCs]; /* = {0,0}*/;
int chain_offset=0;
uint8_t dci_Format = 0;
uint8_t agregation_Level =0xFF;
uint8_t nb_antenna_tx = 1;
uint8_t nb_antenna_rx = 1;
char ref[128] = "internal";
char channels[128] = "0";
int rx_input_level_dBm;
int otg_enabled;
//int number_of_cards = 1;
//static NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs];
//static nfapi_nr_config_request_t *config[MAX_NUM_CCs];
uint32_t target_dl_mcs = 28; //maximum allowed mcs
uint32_t target_ul_mcs = 20;
uint32_t timing_advance = 0;
uint64_t num_missed_slots=0; // counter for the number of missed slots
int split73=0;
void sendFs6Ul(PHY_VARS_eNB *eNB, int UE_id, int harq_pid, int segmentID, int16_t *data, int dataLen, int r_offset) {
AssertFatal(false, "Must not be called in this context\n");
}
extern void reset_opp_meas(void);
extern void print_opp_meas(void);
extern void init_eNB_afterRU(void);
extern void *udp_eNB_task(void *args_p);
int transmission_mode=1;
int emulate_rf = 0;
int numerology = 0;
int usrp_tx_thread = 0;
static char *parallel_config = NULL;
static char *worker_config = NULL;
/* struct for ethernet specific parameters given in eNB conf file */
eth_params_t *eth_params;
openair0_config_t openair0_cfg[MAX_CARDS];
double cpuf;
extern char uecap_xer[1024];
char uecap_xer_in=0;
/* see file openair2/LAYER2/MAC/main.c for why abstraction_flag is needed
* this is very hackish - find a proper solution
*/
uint8_t abstraction_flag=0;
/* forward declarations */
void set_default_frame_parms(nfapi_nr_config_request_scf_t *config[MAX_NUM_CCs], NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]);
/*---------------------BMC: timespec helpers -----------------------------*/
struct timespec min_diff_time = { .tv_sec = 0, .tv_nsec = 0 };
struct timespec max_diff_time = { .tv_sec = 0, .tv_nsec = 0 };
struct timespec clock_difftime(struct timespec start, struct timespec end) {
struct timespec temp;
if ((end.tv_nsec-start.tv_nsec)<0) {
temp.tv_sec = end.tv_sec-start.tv_sec-1;
temp.tv_nsec = 1000000000+end.tv_nsec-start.tv_nsec;
} else {
temp.tv_sec = end.tv_sec-start.tv_sec;
temp.tv_nsec = end.tv_nsec-start.tv_nsec;
}
return temp;
}
void print_difftimes(void) {
#ifdef DEBUG
printf("difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#else
LOG_I(HW,"difftimes min = %lu ns ; max = %lu ns\n", min_diff_time.tv_nsec, max_diff_time.tv_nsec);
#endif
}
void update_difftimes(struct timespec start, struct timespec end) {
struct timespec diff_time = { .tv_sec = 0, .tv_nsec = 0 };
int changed = 0;
diff_time = clock_difftime(start, end);
if ((min_diff_time.tv_nsec == 0) || (diff_time.tv_nsec < min_diff_time.tv_nsec)) {
min_diff_time.tv_nsec = diff_time.tv_nsec;
changed = 1;
}
if ((max_diff_time.tv_nsec == 0) || (diff_time.tv_nsec > max_diff_time.tv_nsec)) {
max_diff_time.tv_nsec = diff_time.tv_nsec;
changed = 1;
}
#if 1
if (changed) print_difftimes();
#endif
}
/*------------------------------------------------------------------------*/
unsigned int build_rflocal(int txi, int txq, int rxi, int rxq) {
return (txi + (txq<<6) + (rxi<<12) + (rxq<<18));
}
unsigned int build_rfdc(int dcoff_i_rxfe, int dcoff_q_rxfe) {
return (dcoff_i_rxfe + (dcoff_q_rxfe<<8));
}
#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
#define KGRN "\x1B[32m"
#define KBLU "\x1B[34m"
#define RESET "\033[0m"
void exit_function(const char *file, const char *function, const int line, const char *s) {
int ru_id;
if (s != NULL) {
printf("%s:%d %s() Exiting OAI softmodem: %s\n",file,line, function, s);
}
oai_exit = 1;
if (RC.ru == NULL)
exit(-1); // likely init not completed, prevent crash or hang, exit now...
for (ru_id=0; ru_id<RC.nb_RU; ru_id++) {
if (RC.ru[ru_id] && RC.ru[ru_id]->rfdevice.trx_end_func) {
RC.ru[ru_id]->rfdevice.trx_end_func(&RC.ru[ru_id]->rfdevice);
RC.ru[ru_id]->rfdevice.trx_end_func = NULL;
}
if (RC.ru[ru_id] && RC.ru[ru_id]->ifdevice.trx_end_func) {
RC.ru[ru_id]->ifdevice.trx_end_func(&RC.ru[ru_id]->ifdevice);
RC.ru[ru_id]->ifdevice.trx_end_func = NULL;
}
}
sleep(1); //allow lte-softmodem threads to exit first
exit(1);
}
int create_gNB_tasks(uint32_t gnb_nb) {
LOG_D(GNB_APP, "%s(gnb_nb:%d)\n", __FUNCTION__, gnb_nb);
itti_wait_ready(1);
if (gnb_nb > 0) {
/* Last task to create, others task must be ready before its start */
/*if (itti_create_task (TASK_GNB_APP, gNB_app_task, NULL) < 0) {
LOG_E(GNB_APP, "Create task for gNB APP failed\n");
return -1;
}*/
if(itti_create_task(TASK_SCTP, sctp_eNB_task, NULL) < 0){
LOG_E(SCTP, "Create task for SCTP failed\n");
return -1;
}
if (is_x2ap_enabled()) {
if(itti_create_task(TASK_X2AP, x2ap_task, NULL) < 0){
LOG_E(X2AP, "Create task for X2AP failed\n");
}
}
else {
LOG_I(X2AP, "X2AP is disabled.\n");
}
}
paramdef_t NETParams[] = GNBNETPARAMS_DESC;
char aprefix[MAX_OPTNAME_SIZE*2 + 8];
sprintf(aprefix,"%s.[%i].%s",GNB_CONFIG_STRING_GNB_LIST,0,GNB_CONFIG_STRING_NETWORK_INTERFACES_CONFIG);
config_get( NETParams,sizeof(NETParams)/sizeof(paramdef_t),aprefix);
for(int i = GNB_INTERFACE_NAME_FOR_NG_AMF_IDX; i <= GNB_IPV4_ADDRESS_FOR_NG_AMF_IDX; i++){
if( NETParams[i].strptr == NULL){
LOG_E(NGAP, "No configuration in the file.\n");
NGAP_CONF_MODE = 0;
}
else {
LOG_D(NGAP, "Configuration in the file: %s.\n",*NETParams[i].strptr);
}
}
if (AMF_MODE_ENABLED && (get_softmodem_params()->phy_test==0 && get_softmodem_params()->do_ra==0 && get_softmodem_params()->sa==0)) {
if (gnb_nb > 0) {
/*
if (itti_create_task (TASK_SCTP, sctp_eNB_task, NULL) < 0) {
LOG_E(SCTP, "Create task for SCTP failed\n");
return -1;
}
*/
if(NGAP_CONF_MODE){
if (itti_create_task (TASK_NGAP, ngap_gNB_task, NULL) < 0) {
LOG_E(NGAP, "Create task for NGAP failed\n");
return -1;
}
} else {
LOG_E(NGAP, "Ngap task not created\n");
}
if(!emulate_rf){
if (itti_create_task (TASK_UDP, udp_eNB_task, NULL) < 0) {
LOG_E(UDP_, "Create task for UDP failed\n");
return -1;
}
}
if (itti_create_task (TASK_GTPV1_U, &gtpv1u_gNB_task, NULL) < 0) {
LOG_E(GTPU, "Create task for GTPV1U failed\n");
return -1;
}
}
}
if (gnb_nb > 0) {
if (itti_create_task (TASK_GNB_APP, gNB_app_task, NULL) < 0) {
LOG_E(GNB_APP, "Create task for gNB APP failed\n");
return -1;
}
LOG_I(NR_RRC,"Creating NR RRC gNB Task\n");
if (itti_create_task (TASK_RRC_GNB, rrc_gnb_task, NULL) < 0) {
LOG_E(NR_RRC, "Create task for NR RRC gNB failed\n");
return -1;
}
}
return 0;
}
static void get_options(void) {
paramdef_t cmdline_params[] = CMDLINE_PARAMS_DESC_GNB ;
CONFIG_SETRTFLAG(CONFIG_NOEXITONHELP);
get_common_options(SOFTMODEM_GNB_BIT );
config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL);
CONFIG_CLEARRTFLAG(CONFIG_NOEXITONHELP);
if ( !(CONFIG_ISFLAGSET(CONFIG_ABORT)) ) {
memset((void *)&RC,0,sizeof(RC));
/* Read RC configuration file */
NRRCConfig();
NB_gNB_INST = RC.nb_nr_inst;
NB_RU = RC.nb_RU;
printf("Configuration: nb_rrc_inst %d, nb_nr_L1_inst %d, nb_ru %hhu\n",NB_gNB_INST,RC.nb_nr_L1_inst,NB_RU);
}
if(parallel_config != NULL) set_parallel_conf(parallel_config);
if(worker_config != NULL) set_worker_conf(worker_config);
}
void set_default_frame_parms(nfapi_nr_config_request_scf_t *config[MAX_NUM_CCs],
NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs])
{
for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
frame_parms[CC_id] = (NR_DL_FRAME_PARMS *) malloc(sizeof(NR_DL_FRAME_PARMS));
config[CC_id] = (nfapi_nr_config_request_scf_t *) malloc(sizeof(nfapi_nr_config_request_scf_t));
config[CC_id]->ssb_config.scs_common.value = 1;
config[CC_id]->cell_config.frame_duplex_type.value = 1; //FDD
//config[CC_id]->subframe_config.dl_cyclic_prefix_type.value = 0; //NORMAL
config[CC_id]->carrier_config.dl_grid_size[1].value = 106;
config[CC_id]->carrier_config.ul_grid_size[1].value = 106;
config[CC_id]->cell_config.phy_cell_id.value = 0;
///dl frequency to be filled in
/* //Set some default values that may be overwritten while reading options
frame_parms[CC_id]->frame_type = FDD;
frame_parms[CC_id]->tdd_config = 3;
frame_parms[CC_id]->tdd_config_S = 0;
frame_parms[CC_id]->N_RB_DL = 100;
frame_parms[CC_id]->N_RB_UL = 100;
frame_parms[CC_id]->Ncp = NORMAL;
frame_parms[CC_id]->Ncp_UL = NORMAL;
frame_parms[CC_id]->Nid_cell = 0;
frame_parms[CC_id]->num_MBSFN_config = 0;
frame_parms[CC_id]->nb_antenna_ports_gNB = 1;
frame_parms[CC_id]->nb_antennas_tx = 1;
frame_parms[CC_id]->nb_antennas_rx = 1;
frame_parms[CC_id]->nushift = 0;
frame_parms[CC_id]->phich_config_common.phich_resource = oneSixth;
frame_parms[CC_id]->phich_config_common.phich_duration = normal;
// UL RS Config
frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.cyclicShift = 0;//n_DMRS1 set to 0
frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.groupHoppingEnabled = 0;
frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.sequenceHoppingEnabled = 0;
frame_parms[CC_id]->pusch_config_common.ul_ReferenceSignalsPUSCH.groupAssignmentPUSCH = 0;
frame_parms[CC_id]->prach_config_common.rootSequenceIndex=22;
frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.zeroCorrelationZoneConfig=1;
frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_ConfigIndex=0;
frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.highSpeedFlag=0;
frame_parms[CC_id]->prach_config_common.prach_ConfigInfo.prach_FreqOffset=0;
// downlink_frequency[CC_id][0] = 2680000000; // Use float to avoid issue with frequency over 2^31.
// downlink_frequency[CC_id][1] = downlink_frequency[CC_id][0];
// downlink_frequency[CC_id][2] = downlink_frequency[CC_id][0];
// downlink_frequency[CC_id][3] = downlink_frequency[CC_id][0];
//printf("Downlink for CC_id %d frequency set to %u\n", CC_id, downlink_frequency[CC_id][0]);
frame_parms[CC_id]->dl_CarrierFreq=downlink_frequency[CC_id][0];
*/
}
}
/*
void init_openair0(void) {
int card;
int i;
for (card=0; card<MAX_CARDS; card++) {
openair0_cfg[card].mmapped_dma=mmapped_dma;
openair0_cfg[card].configFilename = NULL;
if(config[0]->rf_config.dl_carrier_bandwidth.value == 100) {
if (frame_parms[0]->threequarter_fs) {
openair0_cfg[card].sample_rate=23.04e6;
openair0_cfg[card].samples_per_frame = 230400;
openair0_cfg[card].tx_bw = 10e6;
openair0_cfg[card].rx_bw = 10e6;
} else {
openair0_cfg[card].sample_rate=30.72e6;
openair0_cfg[card].samples_per_frame = 307200;
openair0_cfg[card].tx_bw = 10e6;
openair0_cfg[card].rx_bw = 10e6;
}
} else if(config[0]->rf_config.dl_carrier_bandwidth.value == 50) {
openair0_cfg[card].sample_rate=15.36e6;
openair0_cfg[card].samples_per_frame = 153600;
openair0_cfg[card].tx_bw = 5e6;
openair0_cfg[card].rx_bw = 5e6;
} else if (config[0]->rf_config.dl_carrier_bandwidth.value == 25) {
openair0_cfg[card].sample_rate=7.68e6;
openair0_cfg[card].samples_per_frame = 76800;
openair0_cfg[card].tx_bw = 2.5e6;
openair0_cfg[card].rx_bw = 2.5e6;
} else if (config[0]->rf_config.dl_carrier_bandwidth.value == 6) {
openair0_cfg[card].sample_rate=1.92e6;
openair0_cfg[card].samples_per_frame = 19200;
openair0_cfg[card].tx_bw = 1.5e6;
openair0_cfg[card].rx_bw = 1.5e6;
}
if (config[0]->subframe_config.duplex_mode.value==TDD)
openair0_cfg[card].duplex_mode = duplex_mode_TDD;
else //FDD
openair0_cfg[card].duplex_mode = duplex_mode_FDD;
printf("HW: Configuring card %d, nb_antennas_tx/rx %d/%d\n",card,
RC.gNB[0]->gNB_config.rf_config.tx_antenna_ports.value,
RC.gNB[0]->gNB_config.rf_config.tx_antenna_ports.value );
openair0_cfg[card].Mod_id = 0;
openair0_cfg[card].num_rb_dl=config[0]->rf_config.dl_carrier_bandwidth.value;
openair0_cfg[card].clock_source = clock_source;
openair0_cfg[card].tx_num_channels=min(2,RC.gNB[0]->gNB_config.rf_config.tx_antenna_ports.value );
openair0_cfg[card].rx_num_channels=min(2,RC.gNB[0]->gNB_config.rf_config.tx_antenna_ports.value );
for (i=0; i<4; i++) {
if (i<openair0_cfg[card].tx_num_channels)
openair0_cfg[card].tx_freq[i] = downlink_frequency[0][i] ;
else
openair0_cfg[card].tx_freq[i]=0.0;
if (i<openair0_cfg[card].rx_num_channels)
openair0_cfg[card].rx_freq[i] =downlink_frequency[0][i] + uplink_frequency_offset[0][i] ;
else
openair0_cfg[card].rx_freq[i]=0.0;
openair0_cfg[card].autocal[i] = 1;
openair0_cfg[card].tx_gain[i] = tx_gain[0][i];
openair0_cfg[card].rx_gain[i] = RC.gNB[0]->rx_total_gain_dB;
openair0_cfg[card].configFilename = get_softmodem_params()->rf_config_file;
printf("Card %d, channel %d, Setting tx_gain %f, rx_gain %f, tx_freq %f, rx_freq %f\n",
card,i, openair0_cfg[card].tx_gain[i],
openair0_cfg[card].rx_gain[i],
openair0_cfg[card].tx_freq[i],
openair0_cfg[card].rx_freq[i]);
}
} // for loop on cards
}
*/
void wait_RUs(void) {
LOG_I(PHY,"Waiting for RUs to be configured ... RC.ru_mask:%02lx\n", RC.ru_mask);
// wait for all RUs to be configured over fronthaul
pthread_mutex_lock(&RC.ru_mutex);
while (RC.ru_mask>0) {
pthread_cond_wait(&RC.ru_cond,&RC.ru_mutex);
printf("RC.ru_mask:%02lx\n", RC.ru_mask);
}
pthread_mutex_unlock(&RC.ru_mutex);
LOG_I(PHY,"RUs configured\n");
}
void wait_gNBs(void) {
int i;
int waiting=1;
while (waiting==1) {
printf("Waiting for gNB L1 instances to all get configured ... sleeping 50ms (nb_nr_sL1_inst %d)\n",RC.nb_nr_L1_inst);
usleep(50*1000);
waiting=0;
for (i=0; i<RC.nb_nr_L1_inst; i++) {
if (RC.gNB[i]->configured==0) {
waiting=1;
break;
}
}
}
printf("gNB L1 are configured\n");
}
/*
* helper function to terminate a certain ITTI task
*/
void terminate_task(task_id_t task_id, module_id_t mod_id) {
LOG_I(GNB_APP, "sending TERMINATE_MESSAGE to task %s (%d)\n", itti_get_task_name(task_id), task_id);
MessageDef *msg;
msg = itti_alloc_new_message (ENB_APP, 0, TERMINATE_MESSAGE);
itti_send_msg_to_task (task_id, ENB_MODULE_ID_TO_INSTANCE(mod_id), msg);
}
//extern void free_transport(PHY_VARS_gNB *);
extern void nr_phy_free_RU(RU_t *);
int stop_L1L2(module_id_t gnb_id) {
LOG_W(GNB_APP, "stopping nr-softmodem\n");
oai_exit = 1;
if (!RC.ru) {
LOG_F(GNB_APP, "no RU configured\n");
return -1;
}
/* stop trx devices, multiple carrier currently not supported by RU */
if (RC.ru[gnb_id]) {
if (RC.ru[gnb_id]->rfdevice.trx_stop_func) {
RC.ru[gnb_id]->rfdevice.trx_stop_func(&RC.ru[gnb_id]->rfdevice);
LOG_I(GNB_APP, "turned off RU rfdevice\n");
} else {
LOG_W(GNB_APP, "can not turn off rfdevice due to missing trx_stop_func callback, proceeding anyway!\n");
}
if (RC.ru[gnb_id]->ifdevice.trx_stop_func) {
RC.ru[gnb_id]->ifdevice.trx_stop_func(&RC.ru[gnb_id]->ifdevice);
LOG_I(GNB_APP, "turned off RU ifdevice\n");
} else {
LOG_W(GNB_APP, "can not turn off ifdevice due to missing trx_stop_func callback, proceeding anyway!\n");
}
} else {
LOG_W(GNB_APP, "no RU found for index %d\n", gnb_id);
return -1;
}
/* these tasks need to pick up new configuration */
terminate_task(TASK_RRC_ENB, gnb_id);
LOG_I(GNB_APP, "calling kill_gNB_proc() for instance %d\n", gnb_id);
kill_gNB_proc(gnb_id);
LOG_I(GNB_APP, "calling kill_NR_RU_proc() for instance %d\n", gnb_id);
kill_NR_RU_proc(gnb_id);
oai_exit = 0;
//free_transport(RC.gNB[gnb_id]);
phy_free_nr_gNB(RC.gNB[gnb_id]);
nr_phy_free_RU(RC.ru[gnb_id]);
free_lte_top();
return 0;
}
/*
* Restart the nr-softmodem after it has been soft-stopped with stop_L1L2()
*/
int restart_L1L2(module_id_t gnb_id) {
RU_t *ru = RC.ru[gnb_id];
MessageDef *msg_p = NULL;
LOG_W(GNB_APP, "restarting nr-softmodem\n");
/* block threads */
sync_var = -1;
RC.gNB[gnb_id]->configured = 0;
RC.ru_mask |= (1 << ru->idx);
set_function_spec_param(RC.ru[gnb_id]);
LOG_I(GNB_APP, "attempting to create ITTI tasks\n");
// No more rrc thread, as many race conditions are hidden behind
rrc_enb_init();
itti_mark_task_ready(TASK_RRC_ENB);
/* pass a reconfiguration request which will configure everything down to
* RC.eNB[i][j]->frame_parms, too */
msg_p = itti_alloc_new_message(TASK_ENB_APP, 0, RRC_CONFIGURATION_REQ);
RRC_CONFIGURATION_REQ(msg_p) = RC.rrc[gnb_id]->configuration;
itti_send_msg_to_task(TASK_RRC_ENB, ENB_MODULE_ID_TO_INSTANCE(gnb_id), msg_p);
/* TODO XForms might need to be restarted, but it is currently (09/02/18)
* broken, so we cannot test it */
wait_gNBs();
init_RU_proc(ru);
ru->rf_map.card = 0;
ru->rf_map.chain = 0; /* CC_id + chain_offset;*/
wait_RUs();
init_eNB_afterRU();
printf("Sending sync to all threads\n");
pthread_mutex_lock(&sync_mutex);
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
return 0;
}
static void wait_nfapi_init(char *thread_name) {
printf( "waiting for NFAPI PNF connection and population of global structure (%s)\n",thread_name);
pthread_mutex_lock( &nfapi_sync_mutex );
while (nfapi_sync_var<0)
pthread_cond_wait( &nfapi_sync_cond, &nfapi_sync_mutex );
pthread_mutex_unlock(&nfapi_sync_mutex);
printf( "NFAPI: got sync (%s)\n", thread_name);
}
void init_pdcp(void) {
//if (!NODE_IS_DU(RC.rrc[0]->node_type)) {
pdcp_layer_init();
uint32_t pdcp_initmask = (IS_SOFTMODEM_NOS1) ?
(PDCP_USE_NETLINK_BIT | LINK_ENB_PDCP_TO_IP_DRIVER_BIT) : LINK_ENB_PDCP_TO_GTPV1U_BIT;
if (IS_SOFTMODEM_NOS1) {
printf("IS_SOFTMODEM_NOS1 option enabled \n");
pdcp_initmask = pdcp_initmask | ENB_NAS_USE_TUN_BIT | SOFTMODEM_NOKRNMOD_BIT ;
}
pdcp_module_init(pdcp_initmask, 0);
/*if (NODE_IS_CU(RC.rrc[0]->node_type)) {
pdcp_set_rlc_data_req_func((send_rlc_data_req_func_t)proto_agent_send_rlc_data_req);
} else {*/
pdcp_set_rlc_data_req_func((send_rlc_data_req_func_t) rlc_data_req);
pdcp_set_pdcp_data_ind_func((pdcp_data_ind_func_t) pdcp_data_ind);
//}
/*} else {
pdcp_set_pdcp_data_ind_func((pdcp_data_ind_func_t) proto_agent_send_pdcp_data_ind);
}*/
}
int main( int argc, char **argv )
{
int ru_id, CC_id = 0;
start_background_system();
///static configuration for NR at the moment
if ( load_configmodule(argc,argv,CONFIG_ENABLECMDLINEONLY) == NULL) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
set_softmodem_sighandler();
#ifdef DEBUG_CONSOLE
setvbuf(stdout, NULL, _IONBF, 0);
setvbuf(stderr, NULL, _IONBF, 0);
#endif
mode = normal_txrx;
memset(&openair0_cfg[0],0,sizeof(openair0_config_t)*MAX_CARDS);
memset(tx_max_power,0,sizeof(int)*MAX_NUM_CCs);
logInit();
configure_linux();
printf("Reading in command-line options\n");
get_options ();
if (CONFIG_ISFLAGSET(CONFIG_ABORT) ) {
fprintf(stderr,"Getting configuration failed\n");
exit(-1);
}
openair0_cfg[0].threequarter_fs = threequarter_fs;
AMF_MODE_ENABLED = !IS_SOFTMODEM_NOS1; //!get_softmodem_params()->phy_test;
NGAP_CONF_MODE = !IS_SOFTMODEM_NOS1; //!get_softmodem_params()->phy_test;
if (get_softmodem_params()->do_ra)
AssertFatal(get_softmodem_params()->phy_test == 0,"RA and phy_test are mutually exclusive\n");
if (get_softmodem_params()->sa)
AssertFatal(get_softmodem_params()->phy_test == 0,"Standalone mode and phy_test are mutually exclusive\n");
#if T_TRACER
T_Config_Init();
#endif
//randominit (0);
set_taus_seed (0);
printf("configuring for RAU/RRU\n");
if (opp_enabled ==1) {
reset_opp_meas();
}
cpuf=get_cpu_freq_GHz();
itti_init(TASK_MAX, tasks_info);
// initialize mscgen log after ITTI
MSC_INIT(MSC_E_UTRAN, ADDED_QUEUES_MAX+TASK_MAX);
init_opt();
#ifdef PDCP_USE_NETLINK
if(!IS_SOFTMODEM_NOS1)
netlink_init();
#if defined(PDCP_USE_NETLINK_QUEUES)
pdcp_netlink_init();
#endif
#endif
#ifndef PACKAGE_VERSION
# define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL"
#endif
LOG_I(HW, "Version: %s\n", PACKAGE_VERSION);
if(IS_SOFTMODEM_NOS1)
init_pdcp();
if (RC.nb_nr_inst > 0) {
// don't create if node doesn't connect to RRC/S1/GTP
AssertFatal(create_gNB_tasks(1) == 0,"cannot create ITTI tasks\n");
} else {
printf("No ITTI, Initializing L1\n");
RCconfig_NR_L1();
}
/* Start the agent. If it is turned off in the configuration, it won't start */
/*
RCconfig_nr_flexran();
for (i = 0; i < RC.nb_nr_L1_inst; i++) {
flexran_agent_start(i);
}
*/
// init UE_PF_PO and mutex lock
pthread_mutex_init(&ue_pf_po_mutex, NULL);
memset (&UE_PF_PO[0][0], 0, sizeof(UE_PF_PO_t)*NUMBER_OF_UE_MAX*MAX_NUM_CCs);
mlockall(MCL_CURRENT | MCL_FUTURE);
pthread_cond_init(&sync_cond,NULL);
pthread_mutex_init(&sync_mutex, NULL);
usleep(1000);
if (NFAPI_MODE) {
printf("NFAPI*** - mutex and cond created - will block shortly for completion of PNF connection\n");
pthread_cond_init(&sync_cond,NULL);
pthread_mutex_init(&sync_mutex, NULL);
}
const char *nfapi_mode_str = "<UNKNOWN>";
switch(NFAPI_MODE) {
case 0:
nfapi_mode_str = "MONOLITHIC";
break;
case 1:
nfapi_mode_str = "PNF";
break;
case 2:
nfapi_mode_str = "VNF";
break;
default:
nfapi_mode_str = "<UNKNOWN NFAPI MODE>";
break;
}
printf("NFAPI MODE:%s\n", nfapi_mode_str);
if (NFAPI_MODE==NFAPI_MODE_VNF)
wait_nfapi_init("main?");
printf("START MAIN THREADS\n");
// start the main threads
number_of_cards = 1;
printf("RC.nb_nr_L1_inst:%d\n", RC.nb_nr_L1_inst);
if (RC.nb_nr_L1_inst > 0) {
printf("Initializing gNB threads single_thread_flag:%d wait_for_sync:%d\n", single_thread_flag,wait_for_sync);
init_gNB(single_thread_flag,wait_for_sync);
}
printf("wait_gNBs()\n");
wait_gNBs();
printf("About to Init RU threads RC.nb_RU:%d\n", RC.nb_RU);
if (RC.nb_RU >0) {
printf("Initializing RU threads\n");
init_NR_RU(get_softmodem_params()->rf_config_file);
for (ru_id=0; ru_id<RC.nb_RU; ru_id++) {
RC.ru[ru_id]->rf_map.card=0;
RC.ru[ru_id]->rf_map.chain=CC_id+chain_offset;
}
}
config_sync_var=0;
if (NFAPI_MODE==NFAPI_MODE_PNF) {
wait_nfapi_init("main?");
}
printf("wait RUs\n");
wait_RUs();
printf("ALL RUs READY!\n");
printf("RC.nb_RU:%d\n", RC.nb_RU);
// once all RUs are ready initialize the rest of the gNBs ((dependence on final RU parameters after configuration)
printf("ALL RUs ready - init gNBs\n");
if(IS_SOFTMODEM_DOFORMS) {
sleep(1);
scopeParms_t p;
p.argc=&argc;
p.argv=argv;
p.gNB=RC.gNB[0];
p.ru=RC.ru[0];
load_softscope("nr",&p);
}
if (NFAPI_MODE != NFAPI_MODE_PNF && NFAPI_MODE != NFAPI_MODE_VNF) {
printf("Not NFAPI mode - call init_eNB_afterRU()\n");
init_eNB_afterRU();
} else {
printf("NFAPI mode - DO NOT call init_gNB_afterRU()\n");
}
printf("ALL RUs ready - ALL gNBs ready\n");
// connect the TX/RX buffers
printf("Sending sync to all threads\n");
pthread_mutex_lock(&sync_mutex);
sync_var=0;
pthread_cond_broadcast(&sync_cond);
pthread_mutex_unlock(&sync_mutex);
printf("About to call end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__);
end_configmodule();
printf("Called end_configmodule() from %s() %s:%d\n", __FUNCTION__, __FILE__, __LINE__);
// wait for end of program
printf("TYPE <CTRL-C> TO TERMINATE\n");
//getchar();
printf("Entering ITTI signals handler\n");
itti_wait_tasks_end();
printf("Returned from ITTI signal handler\n");
oai_exit=1;
printf("oai_exit=%d\n",oai_exit);
// stop threads
/*#ifdef XFORMS
printf("waiting for XFORMS thread\n");
if (do_forms==1) {
pthread_join(forms_thread,&status);
fl_hide_form(form_stats->stats_form);
fl_free_form(form_stats->stats_form);
fl_hide_form(form_stats_l2->stats_form);
fl_free_form(form_stats_l2->stats_form);
for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
fl_hide_form(form_enb[CC_id][UE_id]->phy_scope_gNB);
fl_free_form(form_enb[CC_id][UE_id]->phy_scope_gNB);
}
}
}
#endif*/
printf("stopping MODEM threads\n");
// cleanup
stop_gNB(NB_gNB_INST);
stop_RU(NB_RU);
/* release memory used by the RU/gNB threads (incomplete), after all
* threads have been stopped (they partially use the same memory) */
for (int inst = 0; inst < NB_gNB_INST; inst++) {
//free_transport(RC.gNB[inst]);
phy_free_nr_gNB(RC.gNB[inst]);
}
for (int inst = 0; inst < NB_RU; inst++) {
nr_phy_free_RU(RC.ru[inst]);
}
free_lte_top();
pthread_cond_destroy(&sync_cond);
pthread_mutex_destroy(&sync_mutex);
pthread_cond_destroy(&nfapi_sync_cond);
pthread_mutex_destroy(&nfapi_sync_mutex);
pthread_mutex_destroy(&ue_pf_po_mutex);
// *** Handle per CC_id openair0
for(ru_id=0; ru_id<NB_RU; ru_id++) {
if (RC.ru[ru_id]->rfdevice.trx_end_func)
RC.ru[ru_id]->rfdevice.trx_end_func(&RC.ru[ru_id]->rfdevice);
if (RC.ru[ru_id]->ifdevice.trx_end_func)
RC.ru[ru_id]->ifdevice.trx_end_func(&RC.ru[ru_id]->ifdevice);
}
logClean();
printf("Bye.\n");
return 0;
}
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