Skip to content

O
OpenXG-RAN
Commit dccb3b51 authored by Clare Yu's avatar Clare Yu
Browse files
Options

Update lte-enb-nbiot.c

parent 941c14b3
Hide whitespace changes
Inline Side-by-side
Showing with 886 additions and 886 deletions
targets/RT/USER/lte-enb-nbiot.c
View file @ dccb3b51
/*
* 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 1.0 (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 lte-enb.c
* \brief Top-level threads for eNodeB
* \author R. Knopp, F. Kaltenberger, Navid Nikaein
* \date 2012
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
* \note
* \warning
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sched.h>
#include <linux/sched.h>
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>
#include <sys/sysinfo.h>
#include "rt_wrapper.h"
//#include "time_utils.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#include "assertions.h"
#include "msc.h"
#include "PHY/types.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"
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if5_tools.h"
#include "PHY/phy_extern.h"
//#include "SCHED/extern.h"
#include "SCHED/sched_eNB.h"
#include "../../SIMU/USER/init_lte.h"
//NB-IoT
#include "PHY/defs_eNB.h"
#include "PHY/defs_L1_NB_IoT.h"
//#include "PHY/defs_L1_NB_IoT.h"
#include "SCHED_NBIOT/defs_NB_IoT.h"
#include "SCHED/sched_common.h" // for calling prach_procedures_NB_IoT()
#include "PHY_INTERFACE/IF_Module_NB_IoT.h"
#include "LAYER2/MAC/extern_NB_IoT.h"
#include "PHY/extern_NB_IoT.h"
#include "LAYER2/MAC/defs.h"
#include "PHY_INTERFACE/phy_interface_extern.h"
//#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "PHY/NBIoT_TRANSPORT/proto_NB_IoT.h"
#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
#include "UTIL/OTG/otg_tx.h"
#include "UTIL/OTG/otg_externs.h"
#include "UTIL/MATH/oml.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "enb_config.h"
//#include "PHY/TOOLS/time_meas.h"
#ifndef OPENAIR2
#include "UTIL/OTG/otg_extern.h"
#endif
#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
# include "s1ap_eNB.h"
#ifdef PDCP_USE_NETLINK
# include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
# endif
#endif
#include "T.h"
extern volatile int start_eNB;
extern volatile int oai_exit;
extern int oaisim_flag;
extern openair0_config_t openair0_cfg[MAX_CARDS];
uint8_t seqno; //sequence number
static int time_offset[4] = {0,0,0,0};
static int recv_if_count = 0;
static struct {
pthread_mutex_t mutex_phy_proc_tx;
pthread_cond_t cond_phy_proc_tx;
volatile uint8_t phy_proc_CC_id;
} sync_phy_proc;
struct timespec start_rf_new, start_rf_prev, start_rf_prev2, end_rf;
openair0_timestamp start_rf_new_ts, start_rf_prev_ts, start_rf_prev2_ts, end_rf_ts;
extern struct timespec start_fh, start_fh_prev;
extern int start_fh_sf, start_fh_prev_sf;
struct timespec end_fh;
int end_fh_sf;
void init_eNB_NB_IoT(eNB_func_NB_IoT_t node_function[], eNB_timing_NB_IoT_t node_timing[],int nb_inst,eth_params_t *,int,int);
/**********************************************************Other structure***************************************************************/
void proc_tx_high0_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
int offset = proc == &eNB->proc.proc_rxtx[0] ? 0 : 1;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB+offset, proc->frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB+offset, proc->subframe_tx );
// issue here
phy_procedures_eNB_TX_NB_IoT(eNB,proc,1);
/* we're done, let the next one proceed */
if (pthread_mutex_lock(&sync_phy_proc.mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc\n");
exit_fun("nothing to add");
}
sync_phy_proc.phy_proc_CC_id++;
sync_phy_proc.phy_proc_CC_id %= MAX_NUM_CCs;
pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx);
if (pthread_mutex_unlock(&sync_phy_proc.mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc\n");
exit_fun("nothing to add");
}
}
void proc_tx_high_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
// do PHY high
proc_tx_high0_NB_IoT(eNB,proc,r_type,rn);
// if TX fronthaul go ahead
if (eNB->tx_fh) eNB->tx_fh(eNB,proc);
}
void proc_tx_full_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
// do PHY high
proc_tx_high0_NB_IoT(eNB,proc,r_type,rn);
}
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
/* Wait for eNB application initialization to be complete (eNB registration to MME) */
static void wait_system_ready (char *message, volatile int *start_flag) {
static char *indicator[] = {". ", ".. ", "... ", ".... ", ".....",
" ....", " ...", " ..", " .", " "};
int i = 0;
while ((!oai_exit) && (*start_flag == 0)) {
//LOG_N(EMU, message, indicator[i]);
fflush(stdout);
i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
usleep(200000);
}
//LOG_D(EMU,"\n");
}
#endif
static inline int rxtx_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,eNB_rxtx_proc_NB_IoT_t *proc, char *thread_name) {
///start_meas(&softmodem_stats_rxtx_sf);
// ****************************************
// Common RX procedures subframe n
if ((eNB->do_prach)&&((eNB->node_function != NGFI_RCC_IF4p5_NB_IoT)))
eNB->do_prach(eNB,proc->frame_rx,proc->subframe_rx);
// UE-specific RX processing for subframe n
///////////////////////////////////// for NB-IoT testing ////////////////////////
// for NB-IoT testing // activating only TX part
if (eNB->proc_uespec_rx) eNB->proc_uespec_rx(eNB, proc, no_relay );
////////////////////////////////////END///////////////////////
//npusch_procedures(eNB,proc,data_or_control);
//fill_rx_indication(eNB,i,frame,subframe);
//////////////////////////////////// for IF Module/scheduler testing
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.frame = proc->frame_rx;
eNB->UL_INFO.subframe = proc->subframe_rx;
eNB->UL_INFO.module_id = eNB->Mod_id;
eNB->UL_INFO.CC_id = eNB->CC_id;
eNB->UL_INFO.hypersfn = proc->HFN;
eNB->if_inst_NB_IoT->UL_indication(&eNB->UL_INFO);
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
//LOG_I(PHY,"After UL_indication\n");
// *****************************************
// TX processing for subframe n+4
// run PHY TX procedures the one after the other for all CCs to avoid race conditions
// (may be relaxed in the future for performance reasons)
// *****************************************
//if (wait_CCs(proc)<0) return(-1);
if (oai_exit) return(-1);
if (eNB->proc_tx) eNB->proc_tx(eNB, proc, no_relay, NULL );
if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1);
/// stop_meas( &softmodem_stats_rxtx_sf );
return(0);
}
/*
static void* eNB_thread_single_NB_IoT( void* param ) {
static int eNB_thread_single_status;
eNB_proc_NB_IoT_t *proc = (eNB_proc_NB_IoT_t*)param;
eNB_rxtx_proc_NB_IoT_t *proc_rxtx = &proc->proc_rxtx[0];
PHY_VARS_eNB_NB_IoT *eNB = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
//PHY_VARS_eNB_NB_IoT *eNB_NB_IoT = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
// NB_IoT_DL_FRAME_PARMS *fp_NB_IoT = &eNB_NB_IoT->frame_parms_NB_IoT;
eNB->CC_id = proc->CC_id;
void *rxp[2],*rxp2[2];
int subframe=0, frame=0;
int32_t dummy_rx[fp->nb_antennas_rx][fp->samples_per_tti] __attribute__((aligned(32)));
int ic;
int rxs;
int i;
// initialize the synchronization buffer to the common_vars.rxdata
for (int i=0;i<fp->nb_antennas_rx;i++)
rxp[i] = &eNB->common_vars.rxdata[0][i][0];
// set default return value
eNB_thread_single_status = 0;
thread_top_init("eNB_thread_single",0,870000,1000000,1000000);
wait_sync("eNB_thread_single");
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
if ((eNB->node_function < NGFI_RRU_IF5_NB_IoT) && (eNB->mac_enabled==1))
wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
#endif
// Start IF device if any
if (eNB->start_if)
if (eNB->start_if(eNB) != 0)
LOG_E(HW,"Could not start the IF device\n");
// Start RF device if any
if (eNB->start_rf)
if (eNB->start_rf(eNB) != 0)
LOG_E(HW,"Could not start the RF device\n");
// wakeup asnych_rxtx thread because the devices are ready at this point
pthread_mutex_lock(&proc->mutex_asynch_rxtx);
proc->instance_cnt_asynch_rxtx=0;
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
pthread_cond_signal(&proc->cond_asynch_rxtx);
// if this is a slave eNB, try to synchronize on the DL frequency
if ((eNB->is_slave) &&
((eNB->node_function >= NGFI_RRU_IF5))) {
// if FDD, switch RX on DL frequency
double temp_freq1 = eNB->rfdevice.openair0_cfg->rx_freq[0];
double temp_freq2 = eNB->rfdevice.openair0_cfg->tx_freq[0];
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = eNB->rfdevice.openair0_cfg->tx_freq[i];
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq1;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,0);
while ((eNB->in_synch ==0)&&(!oai_exit)) {
// read in frame
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
fp->samples_per_tti*10,
fp->nb_antennas_rx);
if (rxs != (fp->samples_per_tti*10))
exit_fun("Problem receiving samples\n");
// wakeup synchronization processing thread
wakeup_synch(eNB);
ic=0;
while ((ic>=0)&&(!oai_exit)) {
// continuously read in frames, 1ms at a time,
// until we are done with the synchronization procedure
for (i=0; i<fp->nb_antennas_rx; i++)
rxp2[i] = (void*)&dummy_rx[i][0];
for (i=0;i<10;i++)
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp2,
fp->samples_per_tti,
fp->nb_antennas_rx);
if (rxs != fp->samples_per_tti)
exit_fun( "problem receiving samples" );
pthread_mutex_lock(&eNB->proc.mutex_synch);
ic = eNB->proc.instance_cnt_synch;
pthread_mutex_unlock(&eNB->proc.mutex_synch);
} // ic>=0
} // in_synch==0
// read in rx_offset samples
LOG_I(PHY,"Resynchronizing by %d samples\n",eNB->rx_offset);
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
eNB->rx_offset,
fp->nb_antennas_rx);
if (rxs != eNB->rx_offset)
exit_fun( "problem receiving samples" );
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = temp_freq1;
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq2;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,1);
} // if RRU and slave
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
while (!oai_exit) {
// these are local subframe/frame counters to check that we are in synch with the fronthaul timing.
// They are set on the first rx/tx in the underly FH routines.
if (subframe==9) {
subframe=0;
frame++;
frame&=1023;
} else {
subframe++;
}
if (eNB->CC_id==1)
LOG_D(PHY,"eNB thread single (proc %p, CC_id %d), frame %d (%p), subframe %d (%p)\n",
proc, eNB->CC_id, frame,&frame,subframe,&subframe);
// synchronization on FH interface, acquire signals/data and block
if (eNB->rx_fh) eNB->rx_fh(eNB,&frame,&subframe);
else AssertFatal(1==0, "No fronthaul interface : eNB->node_function %d",eNB->node_function);
T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->subframe_rx));
proc_rxtx->subframe_rx = proc->subframe_rx;
proc_rxtx->frame_rx = proc->frame_rx;
proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10;
proc_rxtx->frame_tx = (proc->subframe_rx>5) ? (1+proc->frame_rx)&1023 : proc->frame_rx;
proc->frame_tx = proc_rxtx->frame_tx;
proc_rxtx->timestamp_tx = proc->timestamp_tx;
// adjust for timing offset between RRU
if (eNB->CC_id!=0) proc_rxtx->frame_tx = (proc_rxtx->frame_tx+proc->frame_offset)&1023;
// At this point, all information for subframe has been received on FH interface
// If this proc is to provide synchronization, do so
wakeup_slaves(proc);
if (rxtx_NB_IoT(eNB,proc_rxtx,"eNB_thread_single") < 0) break;
//if (rxtx(eNB,proc_rxtx,"eNB_thread_single") < 0) break;
}
printf( "Exiting eNB_single thread \n");
eNB_thread_single_status = 0;
return &eNB_thread_single_status;
}
*/
/*!
* \brief The RX UE-specific and TX thread of eNB.
* \param param is a \ref eNB_proc_t structure which contains the info what to process.
* \returns a pointer to an int. The storage is not on the heap and must not be freed.
*/
/*
static void* eNB_thread_rxtx_NB_IoT( void* param ) {
static int eNB_thread_rxtx_status;
eNB_rxtx_proc_NB_IoT_t *proc = (eNB_rxtx_proc_NB_IoT_t*)param;
///eNB_rxtx_proc_NB_IoT_t *proc_NB_IoT = (eNB_rxtx_proc_NB_IoT_t*)param; // to remove when eNB_thread_rxtx_status is duplicated for NB-IoT
PHY_VARS_eNB_NB_IoT *eNB = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
///PHY_VARS_eNB_NB_IoT *eNB_NB_IoT = PHY_vars_eNB_NB_IoT_g[0][proc_NB_IoT->CC_id]; // to remove when eNB_thread_rxtx_status is duplicated for NB-IoT
char thread_name[100];
// set default return value
eNB_thread_rxtx_status = 0;
sprintf(thread_name,"RXn_TXnp4_%d\n",&eNB->proc.proc_rxtx[0] == proc ? 0 : 1);
thread_top_init(thread_name,1,850000L,1000000L,2000000L);
while (!oai_exit) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 1 );
if (oai_exit) break;
if (eNB->CC_id==0)
{
if (rxtx_NB_IoT(eNB,proc,thread_name) < 0) break;
}
} // while !oai_exit
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
printf( "Exiting eNB thread RXn_TXnp4\n");
eNB_thread_rxtx_status = 0;
return &eNB_thread_rxtx_status;
}
*/
void eNB_nb_iot_top(PHY_VARS_eNB_NB_IoT *eNB, int frame_rx, int subframe_rx, char *string,RU_t *ru) {
eNB_proc_NB_IoT_t *proc = &eNB->proc;
eNB_rxtx_proc_NB_IoT_t *L1_proc = &proc->proc_rxtx[0];
NB_IoT_DL_FRAME_PARMS *fp = &ru->frame_parms;
RU_proc_t *ru_proc_nbiot = &ru->proc;
proc->frame_rx = frame_rx;
proc->subframe_rx = subframe_rx;
if (!oai_exit) {
T(T_ENB_MASTER_TICK, T_INT(0), T_INT(ru_proc_nbiot->frame_rx), T_INT(ru_proc_nbiot->subframe_rx));
L1_proc->timestamp_tx = ru_proc_nbiot->timestamp_rx + (sf_ahead*fp->samples_per_tti);
L1_proc->frame_rx = ru_proc_nbiot->frame_rx;
L1_proc->subframe_rx = ru_proc_nbiot->subframe_rx;
L1_proc->frame_tx = (L1_proc->subframe_rx > (9-sf_ahead)) ? (L1_proc->frame_rx+1)&1023 : L1_proc->frame_rx;
L1_proc->subframe_tx = (L1_proc->subframe_rx + sf_ahead)%10;
if (rxtx_NB_IoT(eNB,L1_proc,string) < 0) LOG_E(PHY,"eNB %d CC_id %d failed during execution\n",eNB->Mod_id,eNB->CC_id);
ru_proc_nbiot->timestamp_tx = L1_proc->timestamp_tx;
ru_proc_nbiot->subframe_tx = L1_proc->subframe_tx;
ru_proc_nbiot->frame_tx = L1_proc->frame_tx;
}
}
extern void do_prach_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,int frame,int subframe);
///Modify to NB-IoT merge
void init_eNB_NB_IoT(eNB_func_NB_IoT_t node_function[], eNB_timing_NB_IoT_t node_timing[],int nb_inst,eth_params_t *eth_params,int single_thread_flag,int wait_for_sync) {
int CC_id;
int inst;
PHY_VARS_eNB_NB_IoT *eNB;
int ret;
for (inst=0;inst<nb_inst;inst++) {
for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
eNB = PHY_vars_eNB_NB_IoT_g[inst][CC_id];
eNB->node_function = node_function[CC_id];
eNB->node_timing = node_timing[CC_id];
eNB->eth_params = eth_params+CC_id;
eNB->abstraction_flag = 0;
eNB->single_thread_flag = single_thread_flag;
eNB->ts_offset = 0;
eNB->in_synch = 0;
eNB->is_slave = (wait_for_sync>0) ? 1 : 0;
/////// IF-Module initialization ///////////////
LOG_I(PHY,"Registering with MAC interface module start\n");
AssertFatal((eNB->if_inst_NB_IoT = IF_Module_init_NB_IoT(inst))!=NULL,"Cannot register interface");
eNB->if_inst_NB_IoT->schedule_response = schedule_response_NB_IoT;
eNB->if_inst_NB_IoT->PHY_config_req = PHY_config_req_NB_IoT;
LOG_I(PHY,"Registering with MAC interface module sucessfully\n");
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing eNB %d CC_id %d : (%s,%s)\n",inst,CC_id,eNB_functions[node_function[CC_id]],eNB_timing[node_timing[CC_id]]);
#endif
switch (node_function[CC_id]) {
case NGFI_RRU_IF5_NB_IoT:
eNB->do_prach = NULL;
eNB->do_precoding = 0;
eNB->fep = eNB_fep_rru_if5_NB_IoT;
eNB->td = NULL;
eNB->te = NULL;
eNB->proc_uespec_rx = NULL;
eNB->proc_tx = NULL;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = start_if_NB_IoT;
eNB->fh_asynch = fh_if5_asynch_DL_NB_IoT;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF5_buffer(eNB);
break;
case NGFI_RRU_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = NULL;
eNB->te = NULL;
eNB->proc_uespec_rx = NULL;
eNB->proc_tx = NULL;//proc_tx_rru_if4p5;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->fh_asynch = fh_if4p5_asynch_DL_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = start_if_NB_IoT;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
printf("loading transport interface ...\n");
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(eNB);
break;
case eNodeB_3GPP_NB_IoT:
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
////////////////////// NB-IoT testing ////////////////////
//eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_full_NB_IoT;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = NULL;
eNB->fh_asynch = NULL;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
break;
case eNodeB_3GPP_BBU_NB_IoT:
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_tx = proc_tx_full_NB_IoT;
if (eNB->node_timing == synch_to_other) {
eNB->tx_fh = tx_fh_if5_mobipass_NB_IoT;
eNB->rx_fh = rx_fh_slave_NB_IoT;
eNB->fh_asynch = fh_if5_asynch_UL_NB_IoT;
}
else {
eNB->tx_fh = tx_fh_if5_NB_IoT;
eNB->rx_fh = rx_fh_if5_NB_IoT;
eNB->fh_asynch = NULL;
}
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF5_buffer(eNB);
break;
case NGFI_RCC_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = NULL;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_high_NB_IoT;
eNB->tx_fh = tx_fh_if4p5_NB_IoT;
eNB->rx_fh = rx_fh_if4p5_NB_IoT;
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->fh_asynch = (eNB->node_timing == synch_to_other) ? fh_if4p5_asynch_UL_NB_IoT : NULL;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(eNB);
break;
case NGFI_RAU_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = NULL;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_high_NB_IoT;
eNB->tx_fh = tx_fh_if4p5_NB_IoT;
eNB->rx_fh = rx_fh_if4p5_NB_IoT;
eNB->fh_asynch = (eNB->node_timing == synch_to_other) ? fh_if4p5_asynch_UL_NB_IoT : NULL;
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
break;
malloc_IF4p5_buffer(eNB);
}
if (setup_eNB_buffers(PHY_vars_eNB_NB_IoT_g[inst],&openair0_cfg[CC_id])!=0) {
printf("Exiting, cannot initialize eNodeB Buffers\n");
exit(-1);
}
}
init_eNB_proc_NB_IoT(inst);
}
sleep(1);
LOG_D(HW,"[lte-softmodem.c] eNB threads created\n");
}
void init_eNB_proc_NB_IoT(int inst) {
int i=0;
int CC_id;
PHY_VARS_eNB_NB_IoT *eNB;
eNB_proc_NB_IoT_t *proc;
eNB_rxtx_proc_NB_IoT_t *proc_rxtx;
pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL,*attr_single=NULL,*attr_fep=NULL,*attr_td=NULL,*attr_te=NULL,*attr_synch=NULL;
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_NB_IoT_g[inst][CC_id];
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing eNB %d CC_id %d (%s,%s),\n",inst,CC_id,eNB_functions[eNB->node_function],eNB_timing[eNB->node_timing]);
#endif
proc = &eNB->proc;
proc_rxtx = proc->proc_rxtx;
proc_rxtx[0].instance_cnt_rxtx = -1;
proc_rxtx[1].instance_cnt_rxtx = -1;
proc->instance_cnt_prach = -1;
proc->instance_cnt_FH = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->CC_id = CC_id;
proc->instance_cnt_synch = -1;
proc->first_rx=1;
proc->first_tx=1;
proc->frame_offset = 0;
for (i=0;i<10;i++) proc->symbol_mask[i]=0;
pthread_mutex_init( &proc_rxtx[0].mutex_rxtx, NULL);
pthread_mutex_init( &proc_rxtx[1].mutex_rxtx, NULL);
pthread_cond_init( &proc_rxtx[0].cond_rxtx, NULL);
pthread_cond_init( &proc_rxtx[1].cond_rxtx, NULL);
pthread_mutex_init( &proc->mutex_prach, NULL);
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_synch,NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_FH, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_cond_init( &proc->cond_synch,NULL);
pthread_attr_init( &proc->attr_FH);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_synch);
pthread_attr_init( &proc->attr_asynch_rxtx);
pthread_attr_init( &proc->attr_single);
pthread_attr_init( &proc->attr_fep);
pthread_attr_init( &proc->attr_td);
pthread_attr_init( &proc->attr_te);
pthread_attr_init( &proc_rxtx[0].attr_rxtx);
pthread_attr_init( &proc_rxtx[1].attr_rxtx);
#ifndef DEADLINE_SCHEDULER
attr0 = &proc_rxtx[0].attr_rxtx;
attr1 = &proc_rxtx[1].attr_rxtx;
attr_FH = &proc->attr_FH;
attr_prach = &proc->attr_prach;
attr_synch = &proc->attr_synch;
attr_asynch = &proc->attr_asynch_rxtx;
attr_single = &proc->attr_single;
attr_fep = &proc->attr_fep;
attr_td = &proc->attr_td;
attr_te = &proc->attr_te;
#endif
if (eNB->single_thread_flag==0) {
//the two threads that manage tw consecutive subframes
pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx_NB_IoT, &proc_rxtx[0] );
pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx_NB_IoT, &proc_rxtx[1] );
pthread_create( &proc->pthread_FH, attr_FH, eNB_thread_FH_NB_IoT, &eNB->proc );
}
else {
pthread_create(&proc->pthread_single, attr_single, eNB_thread_single_NB_IoT, &eNB->proc);
init_fep_thread(eNB,attr_fep);
/*
init_td_thread(eNB,attr_td);
init_te_thread(eNB,attr_te);
*/
}
pthread_create( &proc->pthread_prach, attr_prach, eNB_thread_prach_NB_IoT, &eNB->proc );
pthread_create( &proc->pthread_synch, attr_synch, eNB_thread_synch_NB_IoT, eNB);
if ((eNB->node_timing == synch_to_other) ||
(eNB->node_function == NGFI_RRU_IF5_NB_IoT) ||
(eNB->node_function == NGFI_RRU_IF4p5_NB_IoT))
pthread_create( &proc->pthread_asynch_rxtx, attr_asynch, eNB_thread_asynch_rxtx_NB_IoT, &eNB->proc );
char name[16];
if (eNB->single_thread_flag == 0) {
snprintf( name, sizeof(name), "RXTX0 %d", i );
pthread_setname_np( proc_rxtx[0].pthread_rxtx, name );
snprintf( name, sizeof(name), "RXTX1 %d", i );
pthread_setname_np( proc_rxtx[1].pthread_rxtx, name );
snprintf( name, sizeof(name), "FH %d", i );
pthread_setname_np( proc->pthread_FH, name );
}
else {
snprintf( name, sizeof(name), " %d", i );
pthread_setname_np( proc->pthread_single, name );
}
}
//for multiple CCs: setup master and slaves
/*
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_g[inst][CC_id];
if (eNB->node_timing == synch_to_ext_device) { //master
eNB->proc.num_slaves = MAX_NUM_CCs-1;
eNB->proc.slave_proc = (eNB_proc_t**)malloc(eNB->proc.num_slaves*sizeof(eNB_proc_t*));
for (i=0; i< eNB->proc.num_slaves; i++) {
if (i < CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i]->proc);
if (i >= CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc);
}
}
}
*/
/* setup PHY proc TX sync mechanism */
pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL);
pthread_cond_init(&sync_phy_proc.cond_phy_proc_tx, NULL);
sync_phy_proc.phy_proc_CC_id = 0;
}
/*
* 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 1.0 (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 lte-enb.c
* \brief Top-level threads for eNodeB
* \author R. Knopp, F. Kaltenberger, Navid Nikaein
* \date 2012
* \version 0.1
* \company Eurecom
* \email: knopp@eurecom.fr,florian.kaltenberger@eurecom.fr, navid.nikaein@eurecom.fr
* \note
* \warning
*/
#define _GNU_SOURCE
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <sys/ioctl.h>
#include <sys/types.h>
#include <sys/mman.h>
#include <sched.h>
#include <linux/sched.h>
#include <signal.h>
#include <execinfo.h>
#include <getopt.h>
#include <sys/sysinfo.h>
#include "rt_wrapper.h"
//#include "time_utils.h"
#undef MALLOC //there are two conflicting definitions, so we better make sure we don't use it at all
#include "assertions.h"
#include "msc.h"
#include "PHY/types.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"
//#undef FRAME_LENGTH_COMPLEX_SAMPLES //there are two conflicting definitions, so we better make sure we don't use it at all
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if5_tools.h"
#include "PHY/phy_extern.h"
//#include "SCHED/extern.h"
#include "SCHED/sched_eNB.h"
#include "../../SIMU/USER/init_lte.h"
//NB-IoT
#include "PHY/defs_eNB.h"
#include "PHY/defs_L1_NB_IoT.h"
//#include "PHY/defs_L1_NB_IoT.h"
#include "SCHED_NBIOT/defs_NB_IoT.h"
#include "SCHED/sched_common.h" // for calling prach_procedures_NB_IoT()
#include "PHY_INTERFACE/IF_Module_NB_IoT.h"
#include "LAYER2/MAC/extern_NB_IoT.h"
#include "PHY/extern_NB_IoT.h"
#include "LAYER2/MAC/defs.h"
#include "PHY_INTERFACE/phy_interface_extern.h"
//#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "PHY/NBIoT_TRANSPORT/proto_NB_IoT.h"
#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
#include "UTIL/OTG/otg_tx.h"
#include "UTIL/OTG/otg_externs.h"
#include "UTIL/MATH/oml.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "UTIL/OPT/opt.h"
#include "enb_config.h"
//#include "PHY/TOOLS/time_meas.h"
#ifndef OPENAIR2
#include "UTIL/OTG/otg_extern.h"
#endif
#if defined(ENABLE_ITTI)
# if defined(ENABLE_USE_MME)
# include "s1ap_eNB.h"
#ifdef PDCP_USE_NETLINK
# include "SIMULATION/ETH_TRANSPORT/proto.h"
#endif
# endif
#endif
#include "T.h"
extern volatile int start_eNB;
extern volatile int oai_exit;
extern int oaisim_flag;
extern openair0_config_t openair0_cfg[MAX_CARDS];
uint8_t seqno; //sequence number
static int time_offset[4] = {0,0,0,0};
static int recv_if_count = 0;
static struct {
pthread_mutex_t mutex_phy_proc_tx;
pthread_cond_t cond_phy_proc_tx;
volatile uint8_t phy_proc_CC_id;
} sync_phy_proc;
struct timespec start_rf_new, start_rf_prev, start_rf_prev2, end_rf;
openair0_timestamp start_rf_new_ts, start_rf_prev_ts, start_rf_prev2_ts, end_rf_ts;
extern struct timespec start_fh, start_fh_prev;
extern int start_fh_sf, start_fh_prev_sf;
struct timespec end_fh;
int end_fh_sf;
void init_eNB_NB_IoT(eNB_func_NB_IoT_t node_function[], eNB_timing_NB_IoT_t node_timing[],int nb_inst,eth_params_t *,int,int);
/**********************************************************Other structure***************************************************************/
void proc_tx_high0_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
int offset = proc == &eNB->proc.proc_rxtx[0] ? 0 : 1;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB+offset, proc->frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB+offset, proc->subframe_tx );
// issue here
phy_procedures_eNB_TX_NB_IoT(eNB,proc,1);
/* we're done, let the next one proceed */
if (pthread_mutex_lock(&sync_phy_proc.mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc\n");
exit_fun("nothing to add");
}
sync_phy_proc.phy_proc_CC_id++;
sync_phy_proc.phy_proc_CC_id %= MAX_NUM_CCs;
pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx);
if (pthread_mutex_unlock(&sync_phy_proc.mutex_phy_proc_tx) != 0) {
LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc\n");
exit_fun("nothing to add");
}
}
void proc_tx_high_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
// do PHY high
proc_tx_high0_NB_IoT(eNB,proc,r_type,rn);
// if TX fronthaul go ahead
if (eNB->tx_fh) eNB->tx_fh(eNB,proc);
}
void proc_tx_full_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,
eNB_rxtx_proc_NB_IoT_t *proc,
relaying_type_t r_type,
PHY_VARS_RN_NB_IoT *rn) {
// do PHY high
proc_tx_high0_NB_IoT(eNB,proc,r_type,rn);
}
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
/* Wait for eNB application initialization to be complete (eNB registration to MME) */
static void wait_system_ready (char *message, volatile int *start_flag) {
static char *indicator[] = {". ", ".. ", "... ", ".... ", ".....",
" ....", " ...", " ..", " .", " "};
int i = 0;
while ((!oai_exit) && (*start_flag == 0)) {
//LOG_N(EMU, message, indicator[i]);
fflush(stdout);
i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0]));
usleep(200000);
}
//LOG_D(EMU,"\n");
}
#endif
static inline int rxtx_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,eNB_rxtx_proc_NB_IoT_t *proc, char *thread_name) {
///start_meas(&softmodem_stats_rxtx_sf);
// ****************************************
// Common RX procedures subframe n
if ((eNB->do_prach)&&((eNB->node_function != NGFI_RCC_IF4p5_NB_IoT)))
eNB->do_prach(eNB,proc->frame_rx,proc->subframe_rx);
// UE-specific RX processing for subframe n
///////////////////////////////////// for NB-IoT testing ////////////////////////
// for NB-IoT testing // activating only TX part
if (eNB->proc_uespec_rx) eNB->proc_uespec_rx(eNB, proc, no_relay );
////////////////////////////////////END///////////////////////
//npusch_procedures(eNB,proc,data_or_control);
//fill_rx_indication(eNB,i,frame,subframe);
//////////////////////////////////// for IF Module/scheduler testing
pthread_mutex_lock(&eNB->UL_INFO_mutex);
eNB->UL_INFO.frame = proc->frame_rx;
eNB->UL_INFO.subframe = proc->subframe_rx;
eNB->UL_INFO.module_id = eNB->Mod_id;
eNB->UL_INFO.CC_id = eNB->CC_id;
eNB->UL_INFO.hypersfn = proc->HFN;
eNB->if_inst_NB_IoT->UL_indication(&eNB->UL_INFO);
pthread_mutex_unlock(&eNB->UL_INFO_mutex);
//LOG_I(PHY,"After UL_indication\n");
// *****************************************
// TX processing for subframe n+4
// run PHY TX procedures the one after the other for all CCs to avoid race conditions
// (may be relaxed in the future for performance reasons)
// *****************************************
//if (wait_CCs(proc)<0) return(-1);
if (oai_exit) return(-1);
if (eNB->proc_tx) eNB->proc_tx(eNB, proc, no_relay, NULL );
if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1);
/// stop_meas( &softmodem_stats_rxtx_sf );
return(0);
}
/*
static void* eNB_thread_single_NB_IoT( void* param ) {
static int eNB_thread_single_status;
eNB_proc_NB_IoT_t *proc = (eNB_proc_NB_IoT_t*)param;
eNB_rxtx_proc_NB_IoT_t *proc_rxtx = &proc->proc_rxtx[0];
PHY_VARS_eNB_NB_IoT *eNB = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
//PHY_VARS_eNB_NB_IoT *eNB_NB_IoT = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms;
// NB_IoT_DL_FRAME_PARMS *fp_NB_IoT = &eNB_NB_IoT->frame_parms_NB_IoT;
eNB->CC_id = proc->CC_id;
void *rxp[2],*rxp2[2];
int subframe=0, frame=0;
int32_t dummy_rx[fp->nb_antennas_rx][fp->samples_per_tti] __attribute__((aligned(32)));
int ic;
int rxs;
int i;
// initialize the synchronization buffer to the common_vars.rxdata
for (int i=0;i<fp->nb_antennas_rx;i++)
rxp[i] = &eNB->common_vars.rxdata[0][i][0];
// set default return value
eNB_thread_single_status = 0;
thread_top_init("eNB_thread_single",0,870000,1000000,1000000);
wait_sync("eNB_thread_single");
#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
if ((eNB->node_function < NGFI_RRU_IF5_NB_IoT) && (eNB->mac_enabled==1))
wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB);
#endif
// Start IF device if any
if (eNB->start_if)
if (eNB->start_if(eNB) != 0)
LOG_E(HW,"Could not start the IF device\n");
// Start RF device if any
if (eNB->start_rf)
if (eNB->start_rf(eNB) != 0)
LOG_E(HW,"Could not start the RF device\n");
// wakeup asnych_rxtx thread because the devices are ready at this point
pthread_mutex_lock(&proc->mutex_asynch_rxtx);
proc->instance_cnt_asynch_rxtx=0;
pthread_mutex_unlock(&proc->mutex_asynch_rxtx);
pthread_cond_signal(&proc->cond_asynch_rxtx);
// if this is a slave eNB, try to synchronize on the DL frequency
if ((eNB->is_slave) &&
((eNB->node_function >= NGFI_RRU_IF5))) {
// if FDD, switch RX on DL frequency
double temp_freq1 = eNB->rfdevice.openair0_cfg->rx_freq[0];
double temp_freq2 = eNB->rfdevice.openair0_cfg->tx_freq[0];
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = eNB->rfdevice.openair0_cfg->tx_freq[i];
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq1;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,0);
while ((eNB->in_synch ==0)&&(!oai_exit)) {
// read in frame
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
fp->samples_per_tti*10,
fp->nb_antennas_rx);
if (rxs != (fp->samples_per_tti*10))
exit_fun("Problem receiving samples\n");
// wakeup synchronization processing thread
wakeup_synch(eNB);
ic=0;
while ((ic>=0)&&(!oai_exit)) {
// continuously read in frames, 1ms at a time,
// until we are done with the synchronization procedure
for (i=0; i<fp->nb_antennas_rx; i++)
rxp2[i] = (void*)&dummy_rx[i][0];
for (i=0;i<10;i++)
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp2,
fp->samples_per_tti,
fp->nb_antennas_rx);
if (rxs != fp->samples_per_tti)
exit_fun( "problem receiving samples" );
pthread_mutex_lock(&eNB->proc.mutex_synch);
ic = eNB->proc.instance_cnt_synch;
pthread_mutex_unlock(&eNB->proc.mutex_synch);
} // ic>=0
} // in_synch==0
// read in rx_offset samples
LOG_I(PHY,"Resynchronizing by %d samples\n",eNB->rx_offset);
rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice,
&(proc->timestamp_rx),
rxp,
eNB->rx_offset,
fp->nb_antennas_rx);
if (rxs != eNB->rx_offset)
exit_fun( "problem receiving samples" );
for (i=0;i<4;i++) {
eNB->rfdevice.openair0_cfg->rx_freq[i] = temp_freq1;
eNB->rfdevice.openair0_cfg->tx_freq[i] = temp_freq2;
}
eNB->rfdevice.trx_set_freq_func(&eNB->rfdevice,eNB->rfdevice.openair0_cfg,1);
} // if RRU and slave
// This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices
while (!oai_exit) {
// these are local subframe/frame counters to check that we are in synch with the fronthaul timing.
// They are set on the first rx/tx in the underly FH routines.
if (subframe==9) {
subframe=0;
frame++;
frame&=1023;
} else {
subframe++;
}
if (eNB->CC_id==1)
LOG_D(PHY,"eNB thread single (proc %p, CC_id %d), frame %d (%p), subframe %d (%p)\n",
proc, eNB->CC_id, frame,&frame,subframe,&subframe);
// synchronization on FH interface, acquire signals/data and block
if (eNB->rx_fh) eNB->rx_fh(eNB,&frame,&subframe);
else AssertFatal(1==0, "No fronthaul interface : eNB->node_function %d",eNB->node_function);
T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->subframe_rx));
proc_rxtx->subframe_rx = proc->subframe_rx;
proc_rxtx->frame_rx = proc->frame_rx;
proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10;
proc_rxtx->frame_tx = (proc->subframe_rx>5) ? (1+proc->frame_rx)&1023 : proc->frame_rx;
proc->frame_tx = proc_rxtx->frame_tx;
proc_rxtx->timestamp_tx = proc->timestamp_tx;
// adjust for timing offset between RRU
if (eNB->CC_id!=0) proc_rxtx->frame_tx = (proc_rxtx->frame_tx+proc->frame_offset)&1023;
// At this point, all information for subframe has been received on FH interface
// If this proc is to provide synchronization, do so
wakeup_slaves(proc);
if (rxtx_NB_IoT(eNB,proc_rxtx,"eNB_thread_single") < 0) break;
//if (rxtx(eNB,proc_rxtx,"eNB_thread_single") < 0) break;
}
printf( "Exiting eNB_single thread \n");
eNB_thread_single_status = 0;
return &eNB_thread_single_status;
}
*/
/*!
* \brief The RX UE-specific and TX thread of eNB.
* \param param is a \ref eNB_proc_t structure which contains the info what to process.
* \returns a pointer to an int. The storage is not on the heap and must not be freed.
*/
/*
static void* eNB_thread_rxtx_NB_IoT( void* param ) {
static int eNB_thread_rxtx_status;
eNB_rxtx_proc_NB_IoT_t *proc = (eNB_rxtx_proc_NB_IoT_t*)param;
///eNB_rxtx_proc_NB_IoT_t *proc_NB_IoT = (eNB_rxtx_proc_NB_IoT_t*)param; // to remove when eNB_thread_rxtx_status is duplicated for NB-IoT
PHY_VARS_eNB_NB_IoT *eNB = PHY_vars_eNB_NB_IoT_g[0][proc->CC_id];
///PHY_VARS_eNB_NB_IoT *eNB_NB_IoT = PHY_vars_eNB_NB_IoT_g[0][proc_NB_IoT->CC_id]; // to remove when eNB_thread_rxtx_status is duplicated for NB-IoT
char thread_name[100];
// set default return value
eNB_thread_rxtx_status = 0;
sprintf(thread_name,"RXn_TXnp4_%d\n",&eNB->proc.proc_rxtx[0] == proc ? 0 : 1);
thread_top_init(thread_name,1,850000L,1000000L,2000000L);
while (!oai_exit) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 1 );
if (oai_exit) break;
if (eNB->CC_id==0)
{
if (rxtx_NB_IoT(eNB,proc,thread_name) < 0) break;
}
} // while !oai_exit
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 );
printf( "Exiting eNB thread RXn_TXnp4\n");
eNB_thread_rxtx_status = 0;
return &eNB_thread_rxtx_status;
}
*/
void eNB_nb_iot_top(PHY_VARS_eNB_NB_IoT *eNB, int frame_rx, int subframe_rx, char *string,RU_t *ru) {
eNB_proc_NB_IoT_t *proc = &eNB->proc;
eNB_rxtx_proc_NB_IoT_t *L1_proc = &proc->proc_rxtx[0];
LTE_DL_FRAME_PARMS *fp = &ru->frame_parms;
RU_proc_t *ru_proc_nbiot = &ru->proc;
proc->frame_rx = frame_rx;
proc->subframe_rx = subframe_rx;
if (!oai_exit) {
T(T_ENB_MASTER_TICK, T_INT(0), T_INT(ru_proc_nbiot->frame_rx), T_INT(ru_proc_nbiot->subframe_rx));
L1_proc->timestamp_tx = ru_proc_nbiot->timestamp_rx + (sf_ahead*fp->samples_per_tti);
L1_proc->frame_rx = ru_proc_nbiot->frame_rx;
L1_proc->subframe_rx = ru_proc_nbiot->subframe_rx;
L1_proc->frame_tx = (L1_proc->subframe_rx > (9-sf_ahead)) ? (L1_proc->frame_rx+1)&1023 : L1_proc->frame_rx;
L1_proc->subframe_tx = (L1_proc->subframe_rx + sf_ahead)%10;
if (rxtx_NB_IoT(eNB,L1_proc,string) < 0) LOG_E(PHY,"eNB %d CC_id %d failed during execution\n",eNB->Mod_id,eNB->CC_id);
ru_proc_nbiot->timestamp_tx = L1_proc->timestamp_tx;
ru_proc_nbiot->subframe_tx = L1_proc->subframe_tx;
ru_proc_nbiot->frame_tx = L1_proc->frame_tx;
}
}
extern void do_prach_NB_IoT(PHY_VARS_eNB_NB_IoT *eNB,int frame,int subframe);
///Modify to NB-IoT merge
void init_eNB_NB_IoT(eNB_func_NB_IoT_t node_function[], eNB_timing_NB_IoT_t node_timing[],int nb_inst,eth_params_t *eth_params,int single_thread_flag,int wait_for_sync) {
int CC_id;
int inst;
PHY_VARS_eNB_NB_IoT *eNB;
int ret;
for (inst=0;inst<nb_inst;inst++) {
for (CC_id=0;CC_id<MAX_NUM_CCs;CC_id++) {
eNB = PHY_vars_eNB_NB_IoT_g[inst][CC_id];
eNB->node_function = node_function[CC_id];
eNB->node_timing = node_timing[CC_id];
eNB->eth_params = eth_params+CC_id;
eNB->abstraction_flag = 0;
eNB->single_thread_flag = single_thread_flag;
eNB->ts_offset = 0;
eNB->in_synch = 0;
eNB->is_slave = (wait_for_sync>0) ? 1 : 0;
/////// IF-Module initialization ///////////////
LOG_I(PHY,"Registering with MAC interface module start\n");
AssertFatal((eNB->if_inst_NB_IoT = IF_Module_init_NB_IoT(inst))!=NULL,"Cannot register interface");
eNB->if_inst_NB_IoT->schedule_response = schedule_response_NB_IoT;
eNB->if_inst_NB_IoT->PHY_config_req = PHY_config_req_NB_IoT;
LOG_I(PHY,"Registering with MAC interface module sucessfully\n");
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing eNB %d CC_id %d : (%s,%s)\n",inst,CC_id,eNB_functions[node_function[CC_id]],eNB_timing[node_timing[CC_id]]);
#endif
switch (node_function[CC_id]) {
case NGFI_RRU_IF5_NB_IoT:
eNB->do_prach = NULL;
eNB->do_precoding = 0;
eNB->fep = eNB_fep_rru_if5_NB_IoT;
eNB->td = NULL;
eNB->te = NULL;
eNB->proc_uespec_rx = NULL;
eNB->proc_tx = NULL;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = start_if_NB_IoT;
eNB->fh_asynch = fh_if5_asynch_DL_NB_IoT;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF5_buffer(eNB);
break;
case NGFI_RRU_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = NULL;
eNB->te = NULL;
eNB->proc_uespec_rx = NULL;
eNB->proc_tx = NULL;//proc_tx_rru_if4p5;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->fh_asynch = fh_if4p5_asynch_DL_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = start_if_NB_IoT;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
printf("loading transport interface ...\n");
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(eNB);
break;
case eNodeB_3GPP_NB_IoT:
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
////////////////////// NB-IoT testing ////////////////////
//eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_full_NB_IoT;
eNB->tx_fh = NULL;
eNB->rx_fh = rx_rf_NB_IoT;
eNB->start_rf = start_rf_NB_IoT;
eNB->start_if = NULL;
eNB->fh_asynch = NULL;
if (oaisim_flag == 0) {
ret = openair0_device_load(&eNB->rfdevice, &openair0_cfg[CC_id]);
if (ret<0) {
printf("Exiting, cannot initialize rf device\n");
exit(-1);
}
}
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
break;
case eNodeB_3GPP_BBU_NB_IoT:
eNB->do_precoding = eNB->frame_parms.nb_antennas_tx!=eNB->frame_parms.nb_antenna_ports_eNB;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = eNB_fep_full_NB_IoT;//(single_thread_flag==1) ? eNB_fep_full_2thread : eNB_fep_full;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX;
eNB->proc_tx = proc_tx_full_NB_IoT;
if (eNB->node_timing == synch_to_other) {
eNB->tx_fh = tx_fh_if5_mobipass_NB_IoT;
eNB->rx_fh = rx_fh_slave_NB_IoT;
eNB->fh_asynch = fh_if5_asynch_UL_NB_IoT;
}
else {
eNB->tx_fh = tx_fh_if5_NB_IoT;
eNB->rx_fh = rx_fh_if5_NB_IoT;
eNB->fh_asynch = NULL;
}
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF5_buffer(eNB);
break;
case NGFI_RCC_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = NULL;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_high_NB_IoT;
eNB->tx_fh = tx_fh_if4p5_NB_IoT;
eNB->rx_fh = rx_fh_if4p5_NB_IoT;
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->fh_asynch = (eNB->node_timing == synch_to_other) ? fh_if4p5_asynch_UL_NB_IoT : NULL;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(eNB);
break;
case NGFI_RAU_IF4p5_NB_IoT:
eNB->do_precoding = 0;
eNB->do_prach = do_prach_NB_IoT;
eNB->fep = NULL;
eNB->td = ulsch_decoding_data_NB_IoT;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data;
eNB->te = dlsch_encoding_NB_IoT;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding;
eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX_NB_IoT;
eNB->proc_tx = proc_tx_high_NB_IoT;
eNB->tx_fh = tx_fh_if4p5_NB_IoT;
eNB->rx_fh = rx_fh_if4p5_NB_IoT;
eNB->fh_asynch = (eNB->node_timing == synch_to_other) ? fh_if4p5_asynch_UL_NB_IoT : NULL;
eNB->start_rf = NULL;
eNB->start_if = start_if_NB_IoT;
eNB->rfdevice.host_type = RRU_HOST;
eNB->ifdevice.host_type = RRU_HOST;
ret = openair0_transport_load(&eNB->ifdevice, &openair0_cfg[CC_id], eNB->eth_params);
printf("openair0_transport_init returns %d for CC_id %d\n",ret,CC_id);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
break;
malloc_IF4p5_buffer(eNB);
}
if (setup_eNB_buffers(PHY_vars_eNB_NB_IoT_g[inst],&openair0_cfg[CC_id])!=0) {
printf("Exiting, cannot initialize eNodeB Buffers\n");
exit(-1);
}
}
init_eNB_proc_NB_IoT(inst);
}
sleep(1);
LOG_D(HW,"[lte-softmodem.c] eNB threads created\n");
}
void init_eNB_proc_NB_IoT(int inst) {
int i=0;
int CC_id;
PHY_VARS_eNB_NB_IoT *eNB;
eNB_proc_NB_IoT_t *proc;
eNB_rxtx_proc_NB_IoT_t *proc_rxtx;
pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_FH=NULL,*attr_prach=NULL,*attr_asynch=NULL,*attr_single=NULL,*attr_fep=NULL,*attr_td=NULL,*attr_te=NULL,*attr_synch=NULL;
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_NB_IoT_g[inst][CC_id];
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing eNB %d CC_id %d (%s,%s),\n",inst,CC_id,eNB_functions[eNB->node_function],eNB_timing[eNB->node_timing]);
#endif
proc = &eNB->proc;
proc_rxtx = proc->proc_rxtx;
proc_rxtx[0].instance_cnt_rxtx = -1;
proc_rxtx[1].instance_cnt_rxtx = -1;
proc->instance_cnt_prach = -1;
proc->instance_cnt_FH = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->CC_id = CC_id;
proc->instance_cnt_synch = -1;
proc->first_rx=1;
proc->first_tx=1;
proc->frame_offset = 0;
for (i=0;i<10;i++) proc->symbol_mask[i]=0;
pthread_mutex_init( &proc_rxtx[0].mutex_rxtx, NULL);
pthread_mutex_init( &proc_rxtx[1].mutex_rxtx, NULL);
pthread_cond_init( &proc_rxtx[0].cond_rxtx, NULL);
pthread_cond_init( &proc_rxtx[1].cond_rxtx, NULL);
pthread_mutex_init( &proc->mutex_prach, NULL);
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_synch,NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_FH, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_cond_init( &proc->cond_synch,NULL);
pthread_attr_init( &proc->attr_FH);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_synch);
pthread_attr_init( &proc->attr_asynch_rxtx);
pthread_attr_init( &proc->attr_single);
pthread_attr_init( &proc->attr_fep);
pthread_attr_init( &proc->attr_td);
pthread_attr_init( &proc->attr_te);
pthread_attr_init( &proc_rxtx[0].attr_rxtx);
pthread_attr_init( &proc_rxtx[1].attr_rxtx);
#ifndef DEADLINE_SCHEDULER
attr0 = &proc_rxtx[0].attr_rxtx;
attr1 = &proc_rxtx[1].attr_rxtx;
attr_FH = &proc->attr_FH;
attr_prach = &proc->attr_prach;
attr_synch = &proc->attr_synch;
attr_asynch = &proc->attr_asynch_rxtx;
attr_single = &proc->attr_single;
attr_fep = &proc->attr_fep;
attr_td = &proc->attr_td;
attr_te = &proc->attr_te;
#endif
if (eNB->single_thread_flag==0) {
//the two threads that manage tw consecutive subframes
pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx_NB_IoT, &proc_rxtx[0] );
pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx_NB_IoT, &proc_rxtx[1] );
pthread_create( &proc->pthread_FH, attr_FH, eNB_thread_FH_NB_IoT, &eNB->proc );
}
else {
pthread_create(&proc->pthread_single, attr_single, eNB_thread_single_NB_IoT, &eNB->proc);
init_fep_thread(eNB,attr_fep);
/*
init_td_thread(eNB,attr_td);
init_te_thread(eNB,attr_te);
*/
}
pthread_create( &proc->pthread_prach, attr_prach, eNB_thread_prach_NB_IoT, &eNB->proc );
pthread_create( &proc->pthread_synch, attr_synch, eNB_thread_synch_NB_IoT, eNB);
if ((eNB->node_timing == synch_to_other) ||
(eNB->node_function == NGFI_RRU_IF5_NB_IoT) ||
(eNB->node_function == NGFI_RRU_IF4p5_NB_IoT))
pthread_create( &proc->pthread_asynch_rxtx, attr_asynch, eNB_thread_asynch_rxtx_NB_IoT, &eNB->proc );
char name[16];
if (eNB->single_thread_flag == 0) {
snprintf( name, sizeof(name), "RXTX0 %d", i );
pthread_setname_np( proc_rxtx[0].pthread_rxtx, name );
snprintf( name, sizeof(name), "RXTX1 %d", i );
pthread_setname_np( proc_rxtx[1].pthread_rxtx, name );
snprintf( name, sizeof(name), "FH %d", i );
pthread_setname_np( proc->pthread_FH, name );
}
else {
snprintf( name, sizeof(name), " %d", i );
pthread_setname_np( proc->pthread_single, name );
}
}
//for multiple CCs: setup master and slaves
/*
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB = PHY_vars_eNB_g[inst][CC_id];
if (eNB->node_timing == synch_to_ext_device) { //master
eNB->proc.num_slaves = MAX_NUM_CCs-1;
eNB->proc.slave_proc = (eNB_proc_t**)malloc(eNB->proc.num_slaves*sizeof(eNB_proc_t*));
for (i=0; i< eNB->proc.num_slaves; i++) {
if (i < CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i]->proc);
if (i >= CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc);
}
}
}
*/
/* setup PHY proc TX sync mechanism */
pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL);
pthread_cond_init(&sync_phy_proc.cond_phy_proc_tx, NULL);
sync_phy_proc.phy_proc_CC_id = 0;
}
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment