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OpenXG-RAN
Commit d2efadee authored by laurent's avatar laurent
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merge develop-nr

parents 8c16f16c a404e190
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Showing with 7 additions and 5318 deletions
cmake_targets/oaisim_build_oai/CMakeLists.template deleted 100644 → 0
View file @ 8c16f16c
cmake_minimum_required(VERSION 2.8)
set ( CMAKE_BUILD_TYPE "RelWithDebInfo" )
set ( DEBUG_OMG False )
set ( DISABLE_XER_PRINT False )
set ( DRIVER2013 True )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING True )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY True )
set ( ENABLE_STANDALONE_EPC False)
set ( ENABLE_USE_CPU_EXECUTION_TIME True )
set ( ENABLE_USE_MME True )
set ( ENABLE_USE_RAW_SOCKET_FOR_SGI True)
set ( ENABLE_VCD_FIFO False )
set ( ENB_MODE True )
set ( EXMIMO_IOT True )
set ( JUMBO_FRAME True )
set ( LARGE_SCALE False )
set ( LINK_ENB_PDCP_TO_GTPV1U True)
set ( LINUX_LIST False )
set ( LINUX True )
set ( LOCALIZATION False )
set ( LOG_NO_THREAD True )
set ( DEADLINE_SCHEDULER False )
set ( MAC_CONTEXT 1 )
set ( MAX_NUM_CCs 1 )
set ( MESSAGE_CHART_GENERATOR False)
set ( MSG_PRINT False )
set ( MU_RECEIVER False )
set ( NAS_ADDRESS_FIX False )
set ( NAS_BUILT_IN_UE True)
set ( NAS_MME False )
set ( NAS_UE True )
set ( NB_ANTENNAS_RX "2" )
set ( NB_ANTENNAS_TX "2" )
set ( NO_RRM True )
set ( OAISIM True )
set ( OAI_NW_DRIVER_TYPE_ETHERNET False )
set ( OAI_NW_DRIVER_USE_NETLINK True )
set ( OPENAIR2 True )
set ( OPENAIR_LTE True )
set ( PACKAGE_NAME "oaisim" )
set ( PDCP_USE_NETLINK True )
set ( PDCP_MSG_PRINT False )
set ( PHY_CONTEXT False )
set ( PHY_EMUL False )
set ( PHYSIM True )
set ( RF_BOARD "False" )
set ( RLC_STOP_ON_LOST_PDU False )
set ( RRC_ASN1_VERSION "Rel10" )
set ( RRC_DEFAULT_RAB_IS_AM True)
set ( RRC_MSG_PRINT False )
set ( SECU False )
set ( SMBV False )
set ( TEST_OMG False )
set ( USE_3GPP_ADDR_AS_LINK_ADDR False )
set ( USE_MME "R10" )
set ( XER_PRINT False )
cmake_targets/oaisim_mme_build_oai/CMakeLists.template deleted 100644 → 0
View file @ 8c16f16c
cmake_minimum_required(VERSION 2.8)
set ( CMAKE_BUILD_TYPE "RelWithDebInfo" )
set ( DEBUG_OMG False )
set ( DISABLE_XER_PRINT False )
set ( DRIVER2013 False )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST False )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
set ( ENABLE_STANDALONE_EPC False )
set ( ENABLE_USE_CPU_EXECUTION_TIME False )
set ( ENABLE_USE_MME False )
set ( ENABLE_USE_RAW_SOCKET_FOR_SGI True)
set ( ENABLE_VCD_FIFO False )
set ( ENB_MODE False )
set ( EPC_BUILD True )
set ( EXMIMO_IOT False )
set ( JUMBO_FRAME False )
set ( LARGE_SCALE False )
set ( LINK_ENB_PDCP_TO_GTPV1U True)
set ( LINUX_LIST False )
set ( LINUX False )
set ( LOCALIZATION False )
set ( LOG_NO_THREAD False )
set ( DEADLINE_SCHEDULER False )
set ( MAC_CONTEXT 1 )
set ( MAX_NUM_CCs 1 )
set ( MSG_PRINT False )
set ( MU_RECEIVER False )
set ( NAS_ADDRESS_FIX False )
set ( NAS_BUILT_IN_EPC True )
set ( NAS_MME True )
set ( NAS_NETLINK False )
set ( NAS_UE False )
set ( NB_ANTENNAS_RX "2" )
set ( NB_ANTENNAS_TX "2" )
set ( NO_RRM False )
set ( OAISIM False )
set ( OAI_NW_DRIVER_TYPE_ETHERNET False )
set ( OAI_NW_DRIVER_USE_NETLINK False )
set ( OPENAIR2 False )
set ( OPENAIR_LTE False )
set ( PACKAGE_NAME "EPC" )
set ( PDCP_MSG_PRINT False )
set ( PHY_CONTEXT False )
set ( PHY_EMUL False )
set ( PHYSIM False )
set ( RF_BOARD "False" )
set ( RRC_ASN1_VERSION "Rel10" )
set ( RLC_STOP_ON_LOST_PDU False )
set ( RRC_MSG_PRINT False )
set ( SECU False )
set ( SMBV False )
set ( TEST_OMG False )
set ( UPDATE_RELEASE_9 True)
set ( UPDATE_RELEASE_10 True)
set ( USE_3GPP_ADDR_AS_LINK_ADDR False )
set ( USE_MME "R10" )
set ( XER_PRINT False )
set ( XFORMS False )
cmake_targets/oaisim_noS1_build_oai/CMakeLists.template deleted 100644 → 0
View file @ 8c16f16c
cmake_minimum_required(VERSION 2.8)
set ( DEBUG_OMG False )
set ( DISABLE_XER_PRINT False )
set ( DRIVER2013 True )
set ( ENABLE_ITTI True )
set ( ENABLE_NAS_UE_LOGGING False )
set ( ENABLE_NEW_MULTICAST True )
set ( ENABLE_RAL False )
set ( ENABLE_SECURITY False )
set ( ENABLE_STANDALONE_EPC False)
set ( ENABLE_USE_CPU_EXECUTION_TIME True )
set ( ENABLE_USE_MME False )
set ( ENABLE_USE_RAW_SOCKET_FOR_SGI False)
set ( ENABLE_VCD_FIFO False )
set ( ENB_MODE True )
set ( EXMIMO_IOT True )
set ( JUMBO_FRAME True )
set ( LARGE_SCALE False )
set ( LINK_ENB_PDCP_TO_GTPV1U False)
set ( LINUX_LIST False )
set ( LINUX True )
set ( LOCALIZATION False )
set ( LOG_NO_THREAD 1 )
set ( DEADLINE_SCHEDULER False )
set ( MAC_CONTEXT 1 )
set ( MAX_NUM_CCs 1 )
set ( MESSAGE_CHART_GENERATOR False )
set ( MESSAGE_CHART_GENERATOR_RLC_MAC False )
set ( MESSAGE_CHART_GENERATOR_PHY False )
set ( MSG_PRINT False )
set ( MU_RECEIVER False )
set ( NAS_ADDRESS_FIX False )
set ( NAS_BUILT_IN_UE False)
set ( NAS_MME False )
set ( NAS_UE False )
set ( NB_ANTENNAS_RX "2" )
set ( NB_ANTENNAS_TX "2" )
set ( NO_RRM True )
set ( OAISIM True )
set ( OAI_NW_DRIVER_TYPE_ETHERNET False )
set ( OAI_NW_DRIVER_USE_NETLINK True )
set ( OPENAIR2 True )
set ( OPENAIR_LTE True )
set ( PACKAGE_NAME "oaisim" )
set ( PDCP_USE_NETLINK True )
set ( PDCP_MSG_PRINT False )
set ( PHY_CONTEXT False )
set ( PHY_EMUL False )
set ( PHYSIM True )
set ( RF_BOARD "False" )
set ( RRC_ASN1_VERSION "Rel10" )
set ( RLC_STOP_ON_LOST_PDU False )
set ( RRC_MSG_PRINT False )
set ( SECU False )
set ( SMBV False )
set ( TEST_OMG False )
set ( USE_3GPP_ADDR_AS_LINK_ADDR False )
set ( USE_MME "R10" )
set ( XER_PRINT False )
set ( DEBUG_PHY False )
set ( DEBUG_PHY_PROC False)
set ( DEBUG_DLSCH False)
executables/nr-ru.c
View file @ d2efadee
......@@ -1445,7 +1445,7 @@ static void *ru_thread( void *param ) {
// wakeup all gNB processes waiting for this RU
if (ru->num_gNB>0) wakeup_gNB_L1s(ru);
if(get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD && ru->num_gNB>0) {
if(get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD || ru->num_gNB==0) {
// do TX front-end processing if needed (precoding and/or IDFTs)
if (ru->feptx_prec) ru->feptx_prec(ru,proc->frame_tx,proc->tti_tx);
......
executables/nr-softmodem.c
View file @ d2efadee
......@@ -977,6 +977,8 @@ int main( int argc, char **argv ) {
exit(-1);
}
openair0_cfg[0].threequarter_fs = threequarter_fs;
#if T_TRACER
T_Config_Init();
#endif
......
executables/openairinterface5g_limits.h deleted 100644 → 0
View file @ 8c16f16c
#ifndef OPENAIRINTERFACE5G_LIMITS_H_
#define OPENAIRINTERFACE5G_LIMITS_H_
#if 1 /*defined(CBMIMO1) || defined(EXMIMO) || defined(OAI_USRP) || defined(OAI_LMSSDR) || defined(OAI_ADRV9371_ZC706)*/
#define NUMBER_OF_eNB_MAX 1
#define NUMBER_OF_gNB_MAX 1
#define NUMBER_OF_RU_MAX 2
#define NUMBER_OF_NR_RU_MAX 2
#ifndef PHYSIM
#ifndef UE_EXPANSION
#define NUMBER_OF_UE_MAX 16
#define NUMBER_OF_NR_UE_MAX 16
#define NUMBER_OF_CONNECTED_eNB_MAX 3
#define NUMBER_OF_CONNECTED_gNB_MAX 3
#else
#define NUMBER_OF_UE_MAX 256
#define NUMBER_OF_NR_UE_MAX 256
#define NUMBER_OF_CONNECTED_eNB_MAX 1
#define NUMBER_OF_CONNECTED_gNB_MAX 1
#endif
#else
#define NUMBER_OF_UE_MAX 1
#define NUMBER_OF_NR_UE_MAX 1
#define NUMBER_OF_CONNECTED_eNB_MAX 1
#define NUMBER_OF_CONNECTED_gNB_MAX 1
#endif
#else
#define NUMBER_OF_eNB_MAX 7
#define NUMBER_OF_gNB_MAX 7
#define NUMBER_OF_RU_MAX 32
#define NUMBER_OF_NR_RU_MAX 32
#ifndef UE_EXPANSION
#define NUMBER_OF_UE_MAX 20
#define NUMBER_OF_NR_UE_MAX 20
#define NUMBER_OF_CONNECTED_eNB_MAX 3
#define NUMBER_OF_CONNECTED_gNB_MAX 3
#else
#define NUMBER_OF_UE_MAX 256
#define NUMBER_OF_NR_UE_MAX 256
#define NUMBER_OF_CONNECTED_eNB_MAX 1
#define NUMBER_OF_CONNECTED_gNB_MAX 1
#endif
#if defined(STANDALONE) && STANDALONE==1
#undef NUMBER_OF_eNB_MAX
#undef NUMBER_OF_gNB_MAX
#undef NUMBER_OF_UE_MAX
#undef NUMBER_OF_NR_UE_MAX
#undef NUMBER_OF_RU_MAX
#undef NUMBER_OF_NR_RU_MAX
#define NUMBER_OF_eNB_MAX 3
#define NUMBER_OF_gNB_MAX 3
#define NUMBER_OF_UE_MAX 3
#define NUMBER_OF_NR_UE_MAX 3
#define NUMBER_OF_RU_MAX 3
#define NUMBER_OF_NR_RU_MAX 3
#endif
#if defined(LARGE_SCALE) && LARGE_SCALE
#undef NUMBER_OF_eNB_MAX
#undef NUMBER_OF_gNB_MAX
#undef NUMBER_OF_UE_MAX
#undef NUMBER_OF_NR_UE_MAX
#undef NUMBER_OF_CONNECTED_eNB_MAX
#undef NUMBER_OF_CONNECTED_gNB_MAX
#undef NUMBER_OF_RU_MAX
#undef NUMBER_OF_NR_RU_MAX
#define NUMBER_OF_eNB_MAX 2
#define NUMBER_OF_gNB_MAX 2
#define NUMBER_OF_UE_MAX 120
#define NUMBER_OF_NR_UE_MAX 120
#define NUMBER_OF_RU_MAX 16
#define NUMBER_OF_NR_RU_MAX 16
#define NUMBER_OF_CONNECTED_eNB_MAX 1 // to save some memory
#define NUMBER_OF_CONNECTED_gNB_MAX 1
#endif
#endif
#endif /* OPENAIRINTERFACE5G_LIMITS_H_ */
targets/COMMON/openairinterface5g_limits.h
View file @ d2efadee
......@@ -6,14 +6,12 @@
# define NUMBER_OF_gNB_MAX 1
# define NUMBER_OF_RU_MAX 2
# define NUMBER_OF_NR_RU_MAX 2
# define NUMBER_OF_NR_DLSCH_MAX 16
# define NUMBER_OF_NR_ULSCH_MAX 16
# ifndef PHYSIM
# ifndef UE_EXPANSION
# define NUMBER_OF_UE_MAX 4
# define NUMBER_OF_NR_UE_MAX 4
# define NUMBER_OF_CONNECTED_eNB_MAX 1
# define NUMBER_OF_CONNECTED_gNB_MAX 1
# define NUMBER_OF_UE_MAX 16
# define NUMBER_OF_NR_UE_MAX 16
# define NUMBER_OF_CONNECTED_eNB_MAX 3
# define NUMBER_OF_CONNECTED_gNB_MAX 3
# else
# define NUMBER_OF_UE_MAX 256
# define NUMBER_OF_NR_UE_MAX 256
......
targets/RT/USER/nr-gnb.c deleted 100644 → 0
View file @ 8c16f16c
/*/*
* 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 lte-enb.c
* \brief Top-level threads for gNodeB
* \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 <pthread.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 "rt_wrapper.h"
#include "assertions.h"
#include "PHY/types.h"
#include "PHY/INIT/phy_init.h"
#include "PHY/defs_gNB.h"
#include "SCHED/sched_eNB.h"
#include "SCHED_NR/sched_nr.h"
#include "SCHED_NR/fapi_nr_l1.h"
#include "PHY/LTE_TRANSPORT/transport_proto.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 "LAYER2/MAC/mac.h"
#include "LAYER2/MAC/mac_extern.h"
#include "LAYER2/MAC/mac_proto.h"
#include "RRC/LTE/rrc_extern.h"
#include "PHY_INTERFACE/phy_interface.h"
#include "common/utils/LOG/log_extern.h"
#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"
#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"
//#define DEBUG_THREADS 1
//#define USRP_DEBUG 1
struct timing_info_t {
//unsigned int frame, hw_slot, last_slot, next_slot;
RTIME time_min, time_max, time_avg, time_last, time_now;
//unsigned int mbox0, mbox1, mbox2, mbox_target;
unsigned int n_samples;
} timing_info;
// Fix per CC openair rf/if device update
// extern openair0_device openair0;
#if defined(ENABLE_ITTI)
extern volatile int start_gNB;
extern volatile int start_UE;
#endif
extern volatile int oai_exit;
extern openair0_config_t openair0_cfg[MAX_CARDS];
extern int transmission_mode;
uint16_t sl_ahead=4;
uint16_t sf_ahead=4;
//pthread_t main_gNB_thread;
time_stats_t softmodem_stats_mt; // main thread
time_stats_t softmodem_stats_hw; // hw acquisition
time_stats_t softmodem_stats_rxtx_sf; // total tx time
time_stats_t nfapi_meas; // total tx time
time_stats_t softmodem_stats_rx_sf; // total rx time
/* mutex, cond and variable to serialize phy proc TX calls
* (this mechanism may be relaxed in the future for better
* performances)
*/
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;
extern double cpuf;
void init_gNB(int,int);
void stop_gNB(int nb_inst);
int wakeup_txfh(PHY_VARS_gNB *gNB,gNB_L1_rxtx_proc_t *proc,int frame_tx,int slot_tx,uint64_t timestamp_tx);
int wakeup_tx(PHY_VARS_gNB *gNB,int frame_rx,int slot_rx,int frame_tx,int slot_tx,uint64_t timestamp_tx);
extern PARALLEL_CONF_t get_thread_parallel_conf(void);
extern WORKER_CONF_t get_thread_worker_conf(void);
void wakeup_prach_gNB(PHY_VARS_gNB *gNB,RU_t *ru,int frame,int subframe);
extern uint8_t nfapi_mode;
extern void oai_subframe_ind(uint16_t sfn, uint16_t sf);
extern void add_subframe(uint16_t *frameP, uint16_t *subframeP, int offset);
//#define TICK_TO_US(ts) (ts.diff)
#define TICK_TO_US(ts) (ts.trials==0?0:ts.diff/ts.trials)
static inline int rxtx(PHY_VARS_gNB *gNB,int frame_rx, int slot_rx, int frame_tx, int slot_tx, char *thread_name) {
start_meas(&softmodem_stats_rxtx_sf);
// *******************************************************************
if (nfapi_mode == 1) {
// I am a PNF and I need to let nFAPI know that we have a (sub)frame tick
//add_subframe(&frame, &subframe, 4);
start_meas(&nfapi_meas);
oai_subframe_ind(frame_rx, slot_rx);
stop_meas(&nfapi_meas);
if (gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus||
gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs ||
gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs ||
gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles ||
gNB->UL_INFO.cqi_ind.number_of_cqis
) {
LOG_D(PHY, "UL_info[rx_ind:%05d:%d harqs:%05d:%d crcs:%05d:%d preambles:%05d:%d cqis:%d] RX:%04d%d \n",
NFAPI_SFNSF2DEC(gNB->UL_INFO.rx_ind.sfn_sf), gNB->UL_INFO.rx_ind.rx_indication_body.number_of_pdus,
NFAPI_SFNSF2DEC(gNB->UL_INFO.harq_ind.sfn_sf), gNB->UL_INFO.harq_ind.harq_indication_body.number_of_harqs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.crc_ind.sfn_sf), gNB->UL_INFO.crc_ind.crc_indication_body.number_of_crcs,
NFAPI_SFNSF2DEC(gNB->UL_INFO.rach_ind.sfn_sf), gNB->UL_INFO.rach_ind.rach_indication_body.number_of_preambles,
gNB->UL_INFO.cqi_ind.number_of_cqis,
frame_rx, slot_rx);
}
}
/// NR disabling
// ****************************************
// Common RX procedures subframe n
T(T_GNB_PHY_DL_TICK, T_INT(gNB->Mod_id), T_INT(frame_tx), T_INT(slot_tx));
/*
// if this is IF5 or 3GPP_gNB
if (gNB && gNB->RU_list && gNB->RU_list[0] && gNB->RU_list[0]->function < NGFI_RAU_IF4p5) {
wakeup_prach_gNB(gNB,NULL,frame_rx,slot_rx);
}
// UE-specific RX processing for subframe n
if (nfapi_mode == 0 || nfapi_mode == 1) {
phy_procedures_gNB_uespec_RX(gNB, frame_rx,slot_rx, no_relay );
}
*/
pthread_mutex_lock(&gNB->UL_INFO_mutex);
gNB->UL_INFO.frame = frame_rx;
gNB->UL_INFO.slot = slot_rx;
gNB->UL_INFO.module_id = gNB->Mod_id;
gNB->UL_INFO.CC_id = gNB->CC_id;
gNB->if_inst->NR_UL_indication(&gNB->UL_INFO);
pthread_mutex_unlock(&gNB->UL_INFO_mutex);
/// end
// *****************************************
// TX processing for subframe n+sl_ahead
// 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(get_thread_parallel_conf() != PARALLEL_RU_L1_TRX_SPLIT) phy_procedures_gNB_TX(gNB, frame_tx,slot_tx, 1);
stop_meas( &softmodem_stats_rxtx_sf );
LOG_D(PHY,"%s() Exit proc[rx:%d%d tx:%d%d]\n", __FUNCTION__, frame_rx, slot_rx, frame_tx, slot_tx);
return(0);
}
static void* gNB_L1_thread_tx(void* param) {
PHY_VARS_gNB *gNB = (PHY_VARS_gNB*)param;
gNB_L1_rxtx_proc_t *L1_proc_tx = &gNB->proc.L1_proc_tx;
char thread_name[100];
// This tells L1_thread (RX) that L1_thread_tx is not ready yet
pthread_mutex_lock(&L1_proc_tx->mutex);
L1_proc_tx->instance_cnt = -2;
pthread_mutex_unlock(&L1_proc_tx->mutex);
sprintf(thread_name,"gNB_L1_thread_tx\n");
thread_top_init(thread_name,1,870000L,1000000L,1000000L);
pthread_mutex_lock(&L1_proc_tx->mutex);
L1_proc_tx->instance_cnt++;
pthread_mutex_unlock(&L1_proc_tx->mutex);
while (!oai_exit) {
if (wait_on_condition(&L1_proc_tx->mutex,&L1_proc_tx->cond,&L1_proc_tx->instance_cnt,thread_name)<0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX1, 1 );
if (oai_exit) break;
// *****************************************
// 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)
// *****************************************
int frame_tx = L1_proc_tx->frame_tx;
int slot_tx = L1_proc_tx->slot_tx;
uint64_t timestamp_tx = L1_proc_tx->timestamp_tx;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_SLOT_NUMBER_TX1_GNB,slot_tx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX1_GNB,frame_tx);
phy_procedures_gNB_TX(gNB, frame_tx,slot_tx, 1);
pthread_mutex_lock( &L1_proc_tx->mutex );
L1_proc_tx->instance_cnt = -1;
// the thread can now be woken up
if (pthread_cond_signal(&L1_proc_tx->cond) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_cond_signal for L1_threa_tx\n");
exit_fun( "ERROR pthread_cond_signal" );
}
pthread_mutex_unlock( &L1_proc_tx->mutex );
wakeup_txfh(gNB,L1_proc_tx,frame_tx,slot_tx,timestamp_tx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX1, 0 );
}
return 0;
}
/*!
* \brief The RX UE-specific and TX thread of gNB.
* \param param is a \ref gNB_L1_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* gNB_L1_thread( void* param ) {
static int gNB_thread_rxtx_status;
PHY_VARS_gNB *gNB = (PHY_VARS_gNB*)param;
gNB_L1_proc_t *gNB_proc = &gNB->proc;
gNB_L1_rxtx_proc_t *L1_proc = &gNB_proc->L1_proc;
char thread_name[100];
// This tells ru_thread that L1_thread is not ready
pthread_mutex_lock(&L1_proc->mutex);
L1_proc->instance_cnt = -2;
pthread_mutex_unlock(&L1_proc->mutex);
// set default return value
gNB_thread_rxtx_status = 0;
sprintf(thread_name,"gNB_L1_thread");
thread_top_init(thread_name,1,870000L,1000000L,1000000L);
// This tells ru_thread that L1_thread is ready
pthread_mutex_lock(&L1_proc->mutex);
L1_proc->instance_cnt++;
pthread_mutex_unlock(&L1_proc->mutex);
while (!oai_exit) {
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX0, 0 );
if (wait_on_condition(&L1_proc->mutex,&L1_proc->cond,&L1_proc->instance_cnt,thread_name)<0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_gNB_PROC_RXTX0, 1 );
int frame_rx = L1_proc->frame_rx;
int slot_rx = L1_proc->slot_rx;
int frame_tx = L1_proc->frame_tx;
int slot_tx = L1_proc->slot_tx;
uint64_t timestamp_tx = L1_proc->timestamp_tx;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_SLOT_NUMBER_TX0_GNB,slot_tx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_SLOT_NUMBER_RX0_GNB,slot_rx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_GNB,frame_tx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_GNB,frame_rx);
if (oai_exit) break;
if (gNB->CC_id==0)
{
if (rxtx(gNB,frame_rx,slot_rx,frame_tx,slot_tx,thread_name) < 0) break;
}
if (release_thread(&L1_proc->mutex,&L1_proc->instance_cnt,thread_name)<0) break;
if(get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) wakeup_tx(gNB,frame_rx,slot_rx,frame_tx,slot_tx,timestamp_tx);
else if(get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT) wakeup_txfh(gNB,L1_proc,frame_tx,slot_tx,timestamp_tx);
} // while !oai_exit
LOG_D(PHY, " *** Exiting gNB thread RXn_TXnp4\n");
gNB_thread_rxtx_status = 0;
return &gNB_thread_rxtx_status;
}
#if 0 //defined(ENABLE_ITTI) && defined(ENABLE_USE_MME)
// Wait for gNB application initialization to be complete (gNB 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
void gNB_top(PHY_VARS_gNB *gNB, int frame_rx, int slot_rx, char *string, struct RU_t_s *ru)
{
gNB_L1_proc_t *proc = &gNB->proc;
gNB_L1_rxtx_proc_t *L1_proc = &proc->L1_proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *ru_proc=&ru->proc;
proc->frame_rx = frame_rx;
proc->slot_rx = slot_rx;
if (!oai_exit) {
T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->slot_rx));
L1_proc->timestamp_tx = ru_proc->timestamp_rx + (sl_ahead*fp->samples_per_slot);
L1_proc->frame_rx = ru_proc->frame_rx;
L1_proc->slot_rx = ru_proc->tti_rx;
L1_proc->frame_tx = (L1_proc->slot_rx > (fp->slots_per_frame-1-sl_ahead)) ? (L1_proc->frame_rx+1)&1023 : L1_proc->frame_rx;
L1_proc->slot_tx = (L1_proc->slot_rx + sl_ahead)%fp->slots_per_frame;
if (rxtx(gNB,L1_proc->frame_rx,L1_proc->slot_rx,L1_proc->frame_tx,L1_proc->slot_tx,string) < 0) LOG_E(PHY,"gNB %d CC_id %d failed during execution\n",gNB->Mod_id,gNB->CC_id);
ru_proc->timestamp_tx = L1_proc->timestamp_tx;
ru_proc->tti_tx = L1_proc->slot_tx;
ru_proc->frame_tx = L1_proc->frame_tx;
}
}
int wakeup_txfh(PHY_VARS_gNB *gNB,gNB_L1_rxtx_proc_t *proc,int frame_tx,int slot_tx,uint64_t timestamp_tx) {
RU_t *ru;
RU_proc_t *ru_proc;
int waitret;
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=10000000L;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_UE,proc->instance_cnt_RUs);
// note this should depend on the numerology used by the TX L1 thread, set here for 500us slot time
waitret=timedwait_on_condition(&proc->mutex_RUs_tx,&proc->cond_RUs,&proc->instance_cnt_RUs,"wakeup_txfh",500000);
if (waitret == ETIMEDOUT) {
LOG_W(PHY,"Dropping TX slot (%d.%d) because FH is blocked more than 2 slot times (1000us)\n",frame_tx,slot_tx);
pthread_mutex_lock(&gNB->proc.mutex_RU_tx);
gNB->proc.RU_mask_tx = 0;
pthread_mutex_unlock(&gNB->proc.mutex_RU_tx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_UE,1);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_UE,0);
return(-1);
}
else if (release_thread(&proc->mutex_RUs_tx,&proc->instance_cnt_RUs,"wakeup_txfh")<0) return(-1);
for(int i=0; i<gNB->num_RU; i++)
{
ru = gNB->RU_list[i];
ru_proc = &ru->proc;
if (ru_proc->instance_cnt_gNBs == 0) {
LOG_E(PHY,"Frame %d, subframe %d: TX FH thread busy, dropping Frame %d, subframe %d\n", ru_proc->frame_tx, ru_proc->tti_tx, proc->frame_rx, proc->slot_rx);
pthread_mutex_lock(&gNB->proc.mutex_RU_tx);
gNB->proc.RU_mask_tx = 0;
pthread_mutex_unlock(&gNB->proc.mutex_RU_tx);
return(-1);
}
if ((waitret = pthread_mutex_timedlock(&ru_proc->mutex_gNBs,&wait)) == ETIMEDOUT) {
LOG_W( PHY, "[eNB] ERROR pthread_mutex_lock timed out on mutex_gNBs L1_thread_tx (timeout)\n");
return(-1);
}
else AssertFatal(waitret==0,"pthread_mutex_timedlock returned %d\n",waitret);
ru_proc->instance_cnt_gNBs = 0;
ru_proc->timestamp_tx = timestamp_tx;
ru_proc->tti_tx = slot_tx;
ru_proc->frame_tx = frame_tx;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX1_UE, ru_proc->instance_cnt_gNBs);
pthread_mutex_unlock( &ru_proc->mutex_gNBs );
LOG_D(PHY,"Signaling tx_thread_fh for %d.%d\n",frame_tx,slot_tx);
// the thread can now be woken up
if (pthread_cond_signal(&ru_proc->cond_gNBs) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_cond_signal for gNB TXnp4 thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
}
return(0);
}
int wakeup_tx(PHY_VARS_gNB *gNB,int frame_rx,int slot_rx,int frame_tx,int slot_tx,uint64_t timestamp_tx) {
gNB_L1_rxtx_proc_t *L1_proc_tx = &gNB->proc.L1_proc_tx;
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
if (pthread_mutex_timedlock(&L1_proc_tx->mutex,&wait) != 0) {
LOG_E(PHY, "[SCHED][eNB] ERROR locking mutex for eNB L1_thread_tx\n");
exit_fun("ERROR pthread_lock");
return(-1);
}
if (L1_proc_tx->instance_cnt == -2) { // L1_thread_tx isn't ready yet so return
pthread_mutex_unlock( &L1_proc_tx->mutex);
return(0);
}
while(L1_proc_tx->instance_cnt == 0){
pthread_cond_wait(&L1_proc_tx->cond,&L1_proc_tx->mutex);
}
L1_proc_tx->instance_cnt = 0;
L1_proc_tx->slot_rx = slot_rx;
L1_proc_tx->frame_rx = frame_rx;
L1_proc_tx->slot_tx = slot_tx;
L1_proc_tx->frame_tx = frame_tx;
L1_proc_tx->timestamp_tx = timestamp_tx;
pthread_mutex_unlock( &L1_proc_tx->mutex);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX1_UE,1);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX1_UE,0);
// the thread can now be woken up
if (pthread_cond_signal(&L1_proc_tx->cond) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB TXnp4 thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
return(0);
}
int wakeup_rxtx(PHY_VARS_gNB *gNB,RU_t *ru) {
gNB_L1_proc_t *proc=&gNB->proc;
gNB_L1_rxtx_proc_t *L1_proc=&proc->L1_proc;
NR_DL_FRAME_PARMS *fp = &gNB->frame_parms;
RU_proc_t *ru_proc=&ru->proc;
int i;
struct timespec wait;
pthread_mutex_lock(&proc->mutex_RU);
for (i=0;i<gNB->num_RU;i++) {
if (ru == gNB->RU_list[i]) {
if ((proc->RU_mask&(1<<i)) > 0)
LOG_E(PHY,"gNB %d frame %d, subframe %d : previous information from RU %d (num_RU %d,mask %x) has not been served yet!\n",
gNB->Mod_id,proc->frame_rx,proc->slot_rx,ru->idx,gNB->num_RU,proc->RU_mask);
proc->RU_mask |= (1<<i);
}
}
if (proc->RU_mask != (1<<gNB->num_RU)-1) { // not all RUs have provided their information so return
LOG_E(PHY,"Not all RUs have provided their info\n");
pthread_mutex_unlock(&proc->mutex_RU);
return(0);
}
else { // all RUs have provided their information so continue on and wakeup gNB processing
proc->RU_mask = 0;
pthread_mutex_unlock(&proc->mutex_RU);
}
wait.tv_sec=0;
wait.tv_nsec=5000000L;
// wake up TX for subframe n+sl_ahead
// lock the TX mutex and make sure the thread is ready
if (pthread_mutex_timedlock(&L1_proc->mutex,&wait) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_mutex_lock for gNB L1 thread %d (IC %d)\n", L1_proc->slot_rx&1,L1_proc->instance_cnt );
exit_fun( "error locking mutex" );
return(-1);
}
if (L1_proc->instance_cnt==-2) { // L1_thread isn't ready yet so return
pthread_mutex_unlock( &L1_proc->mutex );
return(0);
}
if (L1_proc->instance_cnt == 0) { // L1_thread is busy so abort the subframe
pthread_mutex_unlock( &L1_proc->mutex );
LOG_W(PHY,"L1_thread isn't ready in %d.%d, aborting RX processing\n",ru_proc->frame_rx,ru_proc->tti_rx);
}
++L1_proc->instance_cnt;
// We have just received and processed the common part of a subframe, say n.
// TS_rx is the last received timestamp (start of 1st slot), TS_tx is the desired
// transmitted timestamp of the next TX slot (first).
// The last (TS_rx mod samples_per_frame) was n*samples_per_tti,
// we want to generate subframe (n+sl_ahead), so TS_tx = TX_rx+sl_ahead*samples_per_tti,
// and proc->slot_tx = proc->slot_rx+sl_ahead
L1_proc->timestamp_tx = ru_proc->timestamp_rx + (sl_ahead*fp->samples_per_slot);
L1_proc->frame_rx = ru_proc->frame_rx;
L1_proc->slot_rx = ru_proc->tti_rx;
L1_proc->frame_tx = (L1_proc->slot_rx > (fp->slots_per_frame-1-sl_ahead)) ? (L1_proc->frame_rx+1)&1023 : L1_proc->frame_rx;
L1_proc->slot_tx = (L1_proc->slot_rx + sl_ahead)%fp->slots_per_frame;
LOG_D(PHY,"wakeupL1: passing parameter IC = %d, RX: %d.%d, TX: %d.%d to L1 sl_ahead = %d\n", L1_proc->instance_cnt, L1_proc->frame_rx, L1_proc->slot_rx, L1_proc->frame_tx, L1_proc->slot_tx, sl_ahead);
pthread_mutex_unlock( &L1_proc->mutex );
// the thread can now be woken up
if (pthread_cond_signal(&L1_proc->cond) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_cond_signal for gNB RXn-TXnp4 thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
return(0);
}
/*
void wakeup_prach_gNB(PHY_VARS_gNB *gNB,RU_t *ru,int frame,int subframe) {
gNB_L1_proc_t *proc = &gNB->proc;
LTE_DL_FRAME_PARMS *fp=&gNB->frame_parms;
int i;
if (ru!=NULL) {
pthread_mutex_lock(&proc->mutex_RU_PRACH);
for (i=0;i<gNB->num_RU;i++) {
if (ru == gNB->RU_list[i]) {
LOG_D(PHY,"frame %d, subframe %d: RU %d for gNB %d signals PRACH (mask %x, num_RU %d)\n",frame,subframe,i,gNB->Mod_id,proc->RU_mask_prach,gNB->num_RU);
if ((proc->RU_mask_prach&(1<<i)) > 0)
LOG_E(PHY,"gNB %d frame %d, subframe %d : previous information (PRACH) from RU %d (num_RU %d, mask %x) has not been served yet!\n",
gNB->Mod_id,frame,subframe,ru->idx,gNB->num_RU,proc->RU_mask_prach);
proc->RU_mask_prach |= (1<<i);
}
}
if (proc->RU_mask_prach != (1<<gNB->num_RU)-1) { // not all RUs have provided their information so return
pthread_mutex_unlock(&proc->mutex_RU_PRACH);
return;
}
else { // all RUs have provided their information so continue on and wakeup gNB processing
proc->RU_mask_prach = 0;
pthread_mutex_unlock(&proc->mutex_RU_PRACH);
}
}
// check if we have to detect PRACH first
if (is_prach_subframe(fp,frame,subframe)>0) {
LOG_D(PHY,"Triggering prach processing, frame %d, subframe %d\n",frame,subframe);
if (proc->instance_cnt_prach == 0) {
LOG_W(PHY,"[gNB] Frame %d Subframe %d, dropping PRACH\n", frame,subframe);
return;
}
// wake up thread for PRACH RX
if (pthread_mutex_lock(&proc->mutex_prach) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_mutex_lock for gNB PRACH thread %d (IC %d)\n", proc->thread_index, proc->instance_cnt_prach);
exit_fun( "error locking mutex_prach" );
return;
}
++proc->instance_cnt_prach;
// set timing for prach thread
proc->frame_prach = frame;
proc->subframe_prach = subframe;
// the thread can now be woken up
if (pthread_cond_signal(&proc->cond_prach) != 0) {
LOG_E( PHY, "[gNB] ERROR pthread_cond_signal for gNB PRACH thread %d\n", proc->thread_index);
exit_fun( "ERROR pthread_cond_signal" );
return;
}
pthread_mutex_unlock( &proc->mutex_prach );
}
}*/
/*!
* \brief The prach receive thread of gNB.
* \param param is a \ref gNB_L1_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* gNB_thread_prach( void* param ) {
static int gNB_thread_prach_status;
PHY_VARS_gNB *gNB= (PHY_VARS_gNB *)param;
gNB_L1_proc_t *proc = &gNB->proc;
// set default return value
gNB_thread_prach_status = 0;
thread_top_init("gNB_thread_prach",1,500000L,1000000L,20000000L);
while (!oai_exit) {
if (oai_exit) break;
if (wait_on_condition(&proc->mutex_prach,&proc->cond_prach,&proc->instance_cnt_prach,"gNB_prach_thread") < 0) break;
LOG_D(PHY,"Running gNB prach procedures\n");
prach_procedures(gNB
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,0
#endif
);
if (release_thread(&proc->mutex_prach,&proc->instance_cnt_prach,"gNB_prach_thread") < 0) break;
}
LOG_I(PHY, "Exiting gNB thread PRACH\n");
gNB_thread_prach_status = 0;
return &gNB_thread_prach_status;
}
*/
extern void init_td_thread(PHY_VARS_gNB *, pthread_attr_t *);
extern void init_te_thread(PHY_VARS_gNB *, pthread_attr_t *);
void init_gNB_proc(int inst) {
int i=0;
int CC_id;
PHY_VARS_gNB *gNB;
gNB_L1_proc_t *proc;
gNB_L1_rxtx_proc_t *L1_proc,*L1_proc_tx;
pthread_attr_t *attr0=NULL,*attr1=NULL;
//*attr_prach=NULL;
LOG_I(PHY,"%s(inst:%d) RC.nb_nr_CC[inst]:%d \n",__FUNCTION__,inst,RC.nb_nr_CC[inst]);
for (CC_id=0; CC_id<RC.nb_nr_CC[inst]; CC_id++) {
gNB = RC.gNB[inst][CC_id];
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing gNB processes instance:%d CC_id %d \n",inst,CC_id);
#endif
proc = &gNB->proc;
L1_proc = &proc->L1_proc;
L1_proc_tx = &proc->L1_proc_tx;
L1_proc->instance_cnt = -2;
L1_proc_tx->instance_cnt = -2;
L1_proc->instance_cnt_RUs = 0;
L1_proc_tx->instance_cnt_RUs = 0;
proc->instance_cnt_prach = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->CC_id = CC_id;
proc->first_rx =1;
proc->first_tx =1;
proc->RU_mask =0;
proc->RU_mask_tx = (1<<gNB->num_RU)-1;
proc->RU_mask_prach =0;
pthread_mutex_init( &gNB->UL_INFO_mutex, NULL);
pthread_mutex_init( &L1_proc->mutex, NULL);
pthread_mutex_init( &L1_proc_tx->mutex, NULL);
pthread_cond_init( &L1_proc->cond, NULL);
pthread_cond_init( &L1_proc_tx->cond, NULL);
pthread_mutex_init( &proc->mutex_prach, NULL);
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_RU,NULL);
pthread_mutex_init( &proc->mutex_RU_tx,NULL);
pthread_mutex_init( &proc->mutex_RU_PRACH,NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_asynch_rxtx);
// pthread_attr_init( &proc->attr_td);
// pthread_attr_init( &proc->attr_te);
pthread_attr_init( &L1_proc->attr);
pthread_attr_init( &L1_proc_tx->attr);
attr0 = &L1_proc->attr;
attr1 = &L1_proc_tx->attr;
LOG_I(PHY,"gNB->single_thread_flag:%d\n", gNB->single_thread_flag);
if (get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT || get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) {
pthread_create( &L1_proc->pthread, attr0, gNB_L1_thread, gNB );
pthread_create( &L1_proc_tx->pthread, attr1, gNB_L1_thread_tx, gNB);
}
//pthread_create( &proc->pthread_prach, attr_prach, gNB_thread_prach, gNB );
char name[16];
if (gNB->single_thread_flag==0) {
snprintf( name, sizeof(name), "L1 %d", i );
pthread_setname_np( L1_proc->pthread, name );
snprintf( name, sizeof(name), "L1TX %d", i );
pthread_setname_np( L1_proc_tx->pthread, name );
}
AssertFatal(proc->instance_cnt_prach == -1,"instance_cnt_prach = %d\n",proc->instance_cnt_prach);
}
/* 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;
}
/*!
* \brief Terminate gNB TX and RX threads.
*/
void kill_gNB_proc(int inst) {
int *status;
PHY_VARS_gNB *gNB;
gNB_L1_proc_t *proc;
gNB_L1_rxtx_proc_t *L1_proc, *L1_proc_tx;
for (int CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
gNB=RC.gNB[inst][CC_id];
proc = &gNB->proc;
L1_proc = &proc->L1_proc;
L1_proc_tx = &proc->L1_proc_tx;
LOG_I(PHY, "Killing TX CC_id %d inst %d\n", CC_id, inst );
if (get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT || get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) {
pthread_mutex_lock(&L1_proc->mutex);
L1_proc->instance_cnt = 0;
pthread_cond_signal(&L1_proc->cond);
pthread_mutex_unlock(&L1_proc->mutex);
pthread_mutex_lock(&L1_proc_tx->mutex);
L1_proc_tx->instance_cnt = 0;
pthread_cond_signal(&L1_proc_tx->cond);
pthread_mutex_unlock(&L1_proc_tx->mutex);
}
proc->instance_cnt_prach = 0;
pthread_cond_signal( &proc->cond_prach );
pthread_cond_signal( &proc->cond_asynch_rxtx );
pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx);
// LOG_D(PHY, "joining pthread_prach\n");
// pthread_join( proc->pthread_prach, (void**)&status );
LOG_I(PHY, "Destroying prach mutex/cond\n");
pthread_mutex_destroy( &proc->mutex_prach );
pthread_cond_destroy( &proc->cond_prach );
LOG_I(PHY, "Destroying UL_INFO mutex\n");
pthread_mutex_destroy(&gNB->UL_INFO_mutex);
if (get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT || get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT) {
LOG_I(PHY, "Joining L1_proc mutex/cond\n");
pthread_join( L1_proc->pthread, (void**)&status );
LOG_I(PHY, "Joining L1_proc_tx mutex/cond\n");
pthread_join( L1_proc_tx->pthread, (void**)&status );
}
LOG_I(PHY, "Destroying L1_proc mutex/cond\n");
pthread_mutex_destroy( &L1_proc->mutex );
pthread_cond_destroy( &L1_proc->cond );
LOG_I(PHY, "Destroying L1_proc_tx mutex/cond\n");
pthread_mutex_destroy( &L1_proc_tx->mutex );
pthread_cond_destroy( &L1_proc_tx->cond );
pthread_mutex_destroy( &proc->mutex_RU );
pthread_mutex_destroy( &proc->mutex_RU_tx );
}
}
void reset_opp_meas(void) {
int sfn;
reset_meas(&softmodem_stats_mt);
reset_meas(&softmodem_stats_hw);
for (sfn=0; sfn < 10; sfn++) {
reset_meas(&softmodem_stats_rxtx_sf);
reset_meas(&softmodem_stats_rx_sf);
}
}
void print_opp_meas(void) {
int sfn=0;
print_meas(&softmodem_stats_mt, "Main gNB Thread", NULL, NULL);
print_meas(&softmodem_stats_hw, "HW Acquisation", NULL, NULL);
for (sfn=0; sfn < 10; sfn++) {
print_meas(&softmodem_stats_rxtx_sf,"[gNB][total_phy_proc_rxtx]",NULL, NULL);
print_meas(&softmodem_stats_rx_sf,"[gNB][total_phy_proc_rx]",NULL,NULL);
}
}
/// eNB kept in function name for nffapi calls, TO FIX
void init_eNB_afterRU(void) {
int inst,CC_id,ru_id,i,aa;
PHY_VARS_gNB *gNB;
LOG_I(PHY,"%s() RC.nb_nr_inst:%d\n", __FUNCTION__, RC.nb_nr_inst);
for (inst=0;inst<RC.nb_nr_inst;inst++) {
LOG_I(PHY,"RC.nb_nr_CC[inst]:%d\n", RC.nb_nr_CC[inst]);
for (CC_id=0;CC_id<RC.nb_nr_CC[inst];CC_id++) {
LOG_I(PHY,"RC.nb_nr_CC[inst:%d][CC_id:%d]:%p\n", inst, CC_id, RC.gNB[inst][CC_id]);
gNB = RC.gNB[inst][CC_id];
phy_init_nr_gNB(gNB,0,0);
// map antennas and PRACH signals to gNB RX
if (0) AssertFatal(gNB->num_RU>0,"Number of RU attached to gNB %d is zero\n",gNB->Mod_id);
LOG_I(PHY,"Mapping RX ports from %d RUs to gNB %d\n",gNB->num_RU,gNB->Mod_id);
//LOG_I(PHY,"Overwriting gNB->prach_vars.rxsigF[0]:%p\n", gNB->prach_vars.rxsigF[0]);
//gNB->prach_vars.rxsigF[0] = (int16_t**)malloc16(64*sizeof(int16_t*));
LOG_I(PHY,"gNB->num_RU:%d\n", gNB->num_RU);
for (ru_id=0,aa=0;ru_id<gNB->num_RU;ru_id++) {
AssertFatal(gNB->RU_list[ru_id]->common.rxdataF!=NULL,
"RU %d : common.rxdataF is NULL\n",
gNB->RU_list[ru_id]->idx);
AssertFatal(gNB->RU_list[ru_id]->prach_rxsigF!=NULL,
"RU %d : prach_rxsigF is NULL\n",
gNB->RU_list[ru_id]->idx);
for (i=0;i<gNB->RU_list[ru_id]->nb_rx;aa++,i++) {
LOG_I(PHY,"Attaching RU %d antenna %d to gNB antenna %d\n",gNB->RU_list[ru_id]->idx,i,aa);
// gNB->prach_vars.rxsigF[0][aa] = gNB->RU_list[ru_id]->prach_rxsigF[i];
gNB->common_vars.rxdataF[aa] = gNB->RU_list[ru_id]->common.rxdataF[i];
}
}
/* TODO: review this code, there is something wrong.
* In monolithic mode, we come here with nb_antennas_rx == 0
* (not tested in other modes).
*/
//init_precoding_weights(RC.gNB[inst][CC_id]);
}
init_gNB_proc(inst);
}
for (ru_id=0;ru_id<RC.nb_RU;ru_id++) {
AssertFatal(RC.ru[ru_id]!=NULL,"ru_id %d is null\n",ru_id);
RC.ru[ru_id]->nr_wakeup_rxtx = wakeup_rxtx;
// RC.ru[ru_id]->wakeup_prach_eNB = wakeup_prach_gNB;
RC.ru[ru_id]->gNB_top = gNB_top;
}
}
void init_gNB(int single_thread_flag,int wait_for_sync) {
int CC_id;
int inst;
PHY_VARS_gNB *gNB;
LOG_I(PHY,"[nr-softmodem.c] gNB structure about to allocated RC.nb_nr_L1_inst:%d RC.nb_nr_L1_CC[0]:%d\n",RC.nb_nr_L1_inst,RC.nb_nr_L1_CC[0]);
if (RC.gNB == NULL) RC.gNB = (PHY_VARS_gNB***) malloc(RC.nb_nr_L1_inst*sizeof(PHY_VARS_gNB **));
LOG_I(PHY,"[lte-softmodem.c] gNB structure RC.gNB allocated\n");
for (inst=0;inst<RC.nb_nr_L1_inst;inst++) {
if (RC.gNB[inst] == NULL) RC.gNB[inst] = (PHY_VARS_gNB**) malloc(RC.nb_nr_CC[inst]*sizeof(PHY_VARS_gNB *));
for (CC_id=0;CC_id<RC.nb_nr_L1_CC[inst];CC_id++) {
if (RC.gNB[inst][CC_id] == NULL) RC.gNB[inst][CC_id] = (PHY_VARS_gNB*) malloc(sizeof(PHY_VARS_gNB));
gNB = RC.gNB[inst][CC_id];
gNB->abstraction_flag = 0;
gNB->single_thread_flag = single_thread_flag;
/*nr_polar_init(&gNB->nrPolar_params,
NR_POLAR_PBCH_MESSAGE_TYPE,
NR_POLAR_PBCH_PAYLOAD_BITS,
NR_POLAR_PBCH_AGGREGATION_LEVEL);*/
LOG_I(PHY,"Initializing gNB %d CC_id %d single_thread_flag:%d\n",inst,CC_id,single_thread_flag);
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing gNB %d CC_id %d\n",inst,CC_id);
#endif
LOG_I(PHY,"Registering with MAC interface module\n");
AssertFatal((gNB->if_inst = NR_IF_Module_init(inst))!=NULL,"Cannot register interface");
gNB->if_inst->NR_Schedule_response = nr_schedule_response;
gNB->if_inst->NR_PHY_config_req = nr_phy_config_request;
memset((void*)&gNB->UL_INFO,0,sizeof(gNB->UL_INFO));
memset((void*)&gNB->Sched_INFO,0,sizeof(gNB->Sched_INFO));
LOG_I(PHY,"Setting indication lists\n");
gNB->UL_INFO.rx_ind.rx_indication_body.rx_pdu_list = gNB->rx_pdu_list;
gNB->UL_INFO.crc_ind.crc_indication_body.crc_pdu_list = gNB->crc_pdu_list;
gNB->UL_INFO.sr_ind.sr_indication_body.sr_pdu_list = gNB->sr_pdu_list;
gNB->UL_INFO.harq_ind.harq_indication_body.harq_pdu_list = gNB->harq_pdu_list;
gNB->UL_INFO.cqi_ind.cqi_pdu_list = gNB->cqi_pdu_list;
gNB->UL_INFO.cqi_ind.cqi_raw_pdu_list = gNB->cqi_raw_pdu_list;
gNB->prach_energy_counter = 0;
}
}
LOG_I(PHY,"[nr-softmodem.c] gNB structure allocated\n");
}
void stop_gNB(int nb_inst) {
for (int inst=0;inst<nb_inst;inst++) {
LOG_I(PHY,"Killing gNB %d processing threads\n",inst);
kill_gNB_proc(inst);
}
}
targets/RT/USER/nr-ru.c deleted 100644 → 0
View file @ 8c16f16c
/*******************************************************************************
OpenAirInterface
Copyright(c) 1999 - 2014 Eurecom
OpenAirInterface is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
OpenAirInterface is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with OpenAirInterface.The full GNU General Public License is
included in this distribution in the file called "COPYING". If not,
see <http://www.gnu.org/licenses/>.
Contact Information
OpenAirInterface Admin: openair_admin@eurecom.fr
OpenAirInterface Tech : openair_tech@eurecom.fr
OpenAirInterface Dev : openair4g-devel@lists.eurecom.fr
Address : Eurecom, Campus SophiaTech, 450 Route des Chappes, CS 50193 - 06904 Biot Sophia Antipolis cedex, FRANCE
*******************************************************************************/
/*! \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"
#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 "../../ARCH/COMMON/common_lib.h"
#include "../../ARCH/ETHERNET/USERSPACE/LIB/ethernet_lib.h"
#include "PHY/LTE_TRANSPORT/if4_tools.h"
#include "PHY/LTE_TRANSPORT/if5_tools.h"
#include "PHY/types.h"
#include "PHY/defs_nr_common.h"
#include "PHY/phy_extern.h"
#include "PHY/LTE_TRANSPORT/transport_proto.h"
#include "PHY/INIT/phy_init.h"
#include "SCHED/sched_eNB.h"
#include "SCHED_NR/sched_nr.h"
#include "LAYER2/MAC/mac.h"
#include "LAYER2/MAC/mac_extern.h"
#include "LAYER2/MAC/mac_proto.h"
#include "RRC/LTE/rrc_extern.h"
#include "PHY_INTERFACE/phy_interface.h"
#include "common/utils/LOG/log.h"
#include "common/utils/LOG/vcd_signal_dumper.h"
#include "enb_config.h"
#ifdef SMBV
#include "PHY/TOOLS/smbv.h"
unsigned short config_frames[4] = {2,9,11,13};
#endif
/* these variables have to be defined before including ENB_APP/enb_paramdef.h */
static int DEFBANDS[] = {7};
static int DEFENBS[] = {0};
#include "ENB_APP/enb_paramdef.h"
#include "common/config/config_userapi.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"
#include "nfapi_interface.h"
extern volatile int oai_exit;
extern void nr_phy_init_RU(RU_t*);
extern void nr_phy_free_RU(RU_t*);
extern void nr_phy_config_request(NR_PHY_Config_t *gNB);
extern PARALLEL_CONF_t get_thread_parallel_conf(void);
extern WORKER_CONF_t get_thread_worker_conf(void);
void init_RU(char*);
void stop_RU(int nb_ru);
void do_ru_sync(RU_t *ru);
void configure_ru(int idx,
void *arg);
void configure_rru(int idx,
void *arg);
int attach_rru(RU_t *ru);
int connect_rau(RU_t *ru);
extern uint16_t sl_ahead;
extern int emulate_rf;
extern int numerology;
/*************************************************************/
/* Functions to attach and configure RRU */
extern void wait_gNBs(void);
int attach_rru(RU_t *ru) {
ssize_t msg_len,len;
RRU_CONFIG_msg_t rru_config_msg;
int received_capabilities=0;
wait_gNBs();
// Wait for capabilities
while (received_capabilities==0) {
memset((void*)&rru_config_msg,0,sizeof(rru_config_msg));
rru_config_msg.type = RAU_tick;
rru_config_msg.len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE;
LOG_I(PHY,"Sending RAU tick to RRU %d\n",ru->idx);
AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
"RU %d cannot access remote radio\n",ru->idx);
msg_len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
// wait for answer with timeout
if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
&rru_config_msg,
msg_len))<0) {
LOG_I(PHY,"Waiting for RRU %d\n",ru->idx);
}
else if (rru_config_msg.type == RRU_capabilities) {
AssertFatal(rru_config_msg.len==msg_len,"Received capabilities with incorrect length (%d!=%d)\n",(int)rru_config_msg.len,(int)msg_len);
LOG_I(PHY,"Received capabilities from RRU %d (len %d/%d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",ru->idx,
(int)rru_config_msg.len,(int)msg_len,
((RRU_capabilities_t*)&rru_config_msg.msg[0])->num_bands,
((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_pdschReferenceSignalPower[0],
((RRU_capabilities_t*)&rru_config_msg.msg[0])->max_rxgain[0],
((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_tx[0],
((RRU_capabilities_t*)&rru_config_msg.msg[0])->nb_rx[0]);
received_capabilities=1;
}
else {
LOG_E(PHY,"Received incorrect message %d from RRU %d\n",rru_config_msg.type,ru->idx);
}
}
configure_ru(ru->idx,
(RRU_capabilities_t *)&rru_config_msg.msg[0]);
rru_config_msg.type = RRU_config;
rru_config_msg.len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_config_t);
LOG_I(PHY,"Sending Configuration to RRU %d (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d)\n",ru->idx,
((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
"RU %d failed send configuration to remote radio\n",ru->idx);
return 0;
}
int connect_rau(RU_t *ru) {
RRU_CONFIG_msg_t rru_config_msg;
ssize_t msg_len;
int tick_received = 0;
int configuration_received = 0;
RRU_capabilities_t *cap;
int i;
int len;
// wait for RAU_tick
while (tick_received == 0) {
msg_len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE;
if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
&rru_config_msg,
msg_len))<0) {
LOG_I(PHY,"Waiting for RAU\n");
}
else {
if (rru_config_msg.type == RAU_tick) {
LOG_I(PHY,"Tick received from RAU\n");
tick_received = 1;
}
else LOG_E(PHY,"Received erroneous message (%d)from RAU, expected RAU_tick\n",rru_config_msg.type);
}
}
// send capabilities
rru_config_msg.type = RRU_capabilities;
rru_config_msg.len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_capabilities_t);
cap = (RRU_capabilities_t*)&rru_config_msg.msg[0];
LOG_I(PHY,"Sending Capabilities (len %d, num_bands %d,max_pdschReferenceSignalPower %d, max_rxgain %d, nb_tx %d, nb_rx %d)\n",
(int)rru_config_msg.len,ru->num_bands,ru->max_pdschReferenceSignalPower,ru->max_rxgain,ru->nb_tx,ru->nb_rx);
switch (ru->function) {
case NGFI_RRU_IF4p5:
cap->FH_fmt = OAI_IF4p5_only;
break;
case NGFI_RRU_IF5:
cap->FH_fmt = OAI_IF5_only;
break;
case MBP_RRU_IF5:
cap->FH_fmt = MBP_IF5;
break;
default:
AssertFatal(1==0,"RU_function is unknown %d\n",RC.ru[0]->function);
break;
}
cap->num_bands = ru->num_bands;
for (i=0;i<ru->num_bands;i++) {
LOG_I(PHY,"Band %d: nb_rx %d nb_tx %d pdschReferenceSignalPower %d rxgain %d\n",
ru->band[i],ru->nb_rx,ru->nb_tx,ru->max_pdschReferenceSignalPower,ru->max_rxgain);
cap->band_list[i] = ru->band[i];
cap->nb_rx[i] = ru->nb_rx;
cap->nb_tx[i] = ru->nb_tx;
cap->max_pdschReferenceSignalPower[i] = ru->max_pdschReferenceSignalPower;
cap->max_rxgain[i] = ru->max_rxgain;
}
AssertFatal((ru->ifdevice.trx_ctlsend_func(&ru->ifdevice,&rru_config_msg,rru_config_msg.len)!=-1),
"RU %d failed send capabilities to RAU\n",ru->idx);
// wait for configuration
rru_config_msg.len = sizeof(RRU_CONFIG_msg_t)-MAX_RRU_CONFIG_SIZE+sizeof(RRU_config_t);
while (configuration_received == 0) {
if ((len = ru->ifdevice.trx_ctlrecv_func(&ru->ifdevice,
&rru_config_msg,
rru_config_msg.len))<0) {
LOG_I(PHY,"Waiting for configuration from RAU\n");
}
else {
LOG_I(PHY,"Configuration received from RAU (num_bands %d,band0 %d,txfreq %u,rxfreq %u,att_tx %d,att_rx %d,N_RB_DL %d,N_RB_UL %d,3/4FS %d, prach_FO %d, prach_CI %d)\n",
((RRU_config_t *)&rru_config_msg.msg[0])->num_bands,
((RRU_config_t *)&rru_config_msg.msg[0])->band_list[0],
((RRU_config_t *)&rru_config_msg.msg[0])->tx_freq[0],
((RRU_config_t *)&rru_config_msg.msg[0])->rx_freq[0],
((RRU_config_t *)&rru_config_msg.msg[0])->att_tx[0],
((RRU_config_t *)&rru_config_msg.msg[0])->att_rx[0],
((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_DL[0],
((RRU_config_t *)&rru_config_msg.msg[0])->N_RB_UL[0],
((RRU_config_t *)&rru_config_msg.msg[0])->threequarter_fs[0],
((RRU_config_t *)&rru_config_msg.msg[0])->prach_FreqOffset[0],
((RRU_config_t *)&rru_config_msg.msg[0])->prach_ConfigIndex[0]);
configure_rru(ru->idx,
(void*)&rru_config_msg.msg[0]);
configuration_received = 1;
}
}
return 0;
}
/*************************************************************/
/* Southbound Fronthaul functions, RCC/RAU */
// southbound IF5 fronthaul for 16-bit OAI format
static inline void fh_if5_south_out(RU_t *ru) {
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
send_IF5(ru, ru->proc.timestamp_tx, ru->proc.tti_tx, &ru->seqno, IF5_RRH_GW_DL);
}
// southbound IF5 fronthaul for Mobipass packet format
static inline void fh_if5_mobipass_south_out(RU_t *ru) {
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
send_IF5(ru, ru->proc.timestamp_tx, ru->proc.tti_tx, &ru->seqno, IF5_MOBIPASS);
}
// southbound IF4p5 fronthaul
static inline void fh_if4p5_south_out(RU_t *ru) {
if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff );
LOG_D(PHY,"Sending IF4p5 for frame %d subframe %d\n",ru->proc.frame_tx,ru->proc.tti_tx);
if (nr_slot_select(&ru->gNB_list[0]->gNB_config,ru->proc.tti_tx)!=SF_UL)
send_IF4p5(ru,ru->proc.frame_tx, ru->proc.tti_tx, IF4p5_PDLFFT);
}
/*************************************************************/
/* Input Fronthaul from south RCC/RAU */
// Synchronous if5 from south
void fh_if5_south_in(RU_t *ru,int *frame, int *tti) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
recv_IF5(ru, &proc->timestamp_rx, *tti, IF5_RRH_GW_UL);
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_slot*20))&1023;
proc->tti_rx = (proc->timestamp_rx / fp->samples_per_slot)%20;
if (proc->first_rx == 0) {
if (proc->tti_rx != *tti){
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->tti_rx %d, subframe %d)\n",proc->tti_rx,*tti);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
exit_fun("Exiting");
}
} else {
proc->first_rx = 0;
*frame = proc->frame_rx;
*tti = proc->tti_rx;
}
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
}
// Synchronous if4p5 from south
void fh_if4p5_south_in(RU_t *ru,int *frame,int *slot) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
int f,sl;
uint16_t packet_type;
uint32_t symbol_number=0;
uint32_t symbol_mask_full=0;
/*
if ((fp->frame_type == TDD) && (subframe_select(fp,*slot)==SF_S))
symbol_mask_full = (1<<fp->ul_symbols_in_S_subframe)-1;
else
symbol_mask_full = (1<<fp->symbols_per_slot)-1;
AssertFatal(proc->symbol_mask[*slot]==0,"rx_fh_if4p5: proc->symbol_mask[%d] = %x\n",*slot,proc->symbol_mask[*slot]);*/
do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5(ru, &f, &sl, &packet_type, &symbol_number);
if (packet_type == IF4p5_PULFFT) proc->symbol_mask[sl] = proc->symbol_mask[sl] | (1<<symbol_number);
else if (packet_type == IF4p5_PULTICK) {
if ((proc->first_rx==0) && (f!=*frame)) LOG_E(PHY,"rx_fh_if4p5: PULTICK received frame %d != expected %d\n",f,*frame);
if ((proc->first_rx==0) && (sl!=*slot)) LOG_E(PHY,"rx_fh_if4p5: PULTICK received subframe %d != expected %d (first_rx %d)\n",sl,*slot,proc->first_rx);
break;
} else if (packet_type == IF4p5_PRACH) {
// nothing in RU for RAU
}
LOG_D(PHY,"rx_fh_if4p5: subframe %d symbol mask %x\n",*slot,proc->symbol_mask[sl]);
} while(proc->symbol_mask[sl] != symbol_mask_full);
//caculate timestamp_rx, timestamp_tx based on frame and subframe
proc->tti_rx = sl;
proc->frame_rx = f;
proc->timestamp_rx = ((proc->frame_rx * fp->slots_per_frame) + proc->tti_rx ) * fp->samples_per_slot ;
// proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_subframe);
proc->tti_tx = (sl+sl_ahead)%fp->slots_per_frame;
proc->frame_tx = (sl>(fp->slots_per_frame-sl_ahead)) ? (f+1)&1023 : f;
if (proc->first_rx == 0) {
if (proc->tti_rx != *slot){
LOG_E(PHY,"Received Timestamp (IF4p5) doesn't correspond to the time we think it is (proc->tti_rx %d, subframe %d)\n",proc->tti_rx,*slot);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp (IF4p5) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",proc->frame_rx,*frame);
exit_fun("Exiting");
}
} else {
proc->first_rx = 0;
*frame = proc->frame_rx;
*slot = proc->tti_rx;
}
if (ru == RC.ru[0]) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_RU, f );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_RX0_RU, sl);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, proc->frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, proc->tti_tx );
}
proc->symbol_mask[proc->tti_rx] = 0;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
LOG_D(PHY,"RU %d: fh_if4p5_south_in sleeping ...\n",ru->idx);
}
// asynchronous inbound if4p5 fronthaul from south
void fh_if4p5_south_asynch_in(RU_t *ru,int *frame,int *slot) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
uint16_t packet_type;
uint32_t symbol_number,symbol_mask,prach_rx;
// uint32_t got_prach_info=0;
symbol_number = 0;
symbol_mask = (1<<(fp->symbols_per_slot))-1;
prach_rx = 0;
do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!!
recv_IF4p5(ru, &proc->frame_rx, &proc->tti_rx, &packet_type, &symbol_number);
// grab first prach information for this new subframe
/*if (got_prach_info==0) {
prach_rx = is_prach_subframe(fp, proc->frame_rx, proc->tti_rx);
got_prach_info = 1;
}*/
if (proc->first_rx != 0) {
*frame = proc->frame_rx;
*slot = proc->tti_rx;
proc->first_rx = 0;
}
else {
if (proc->frame_rx != *frame) {
LOG_E(PHY,"frame_rx %d is not what we expect %d\n",proc->frame_rx,*frame);
exit_fun("Exiting");
}
if (proc->tti_rx != *slot) {
LOG_E(PHY,"tti_rx %d is not what we expect %d\n",proc->tti_rx,*slot);
exit_fun("Exiting");
}
}
if (packet_type == IF4p5_PULFFT) symbol_mask &= (~(1<<symbol_number));
else if (packet_type == IF4p5_PRACH) prach_rx &= (~0x1);
} while( (symbol_mask > 0) || (prach_rx >0)); // haven't received all PUSCH symbols and PRACH information
}
/*************************************************************/
/* Input Fronthaul from North RRU */
// RRU IF4p5 TX fronthaul receiver. Assumes an if_device on input and if or rf device on output
// receives one subframe's worth of IF4p5 OFDM symbols and OFDM modulates
void fh_if4p5_north_in(RU_t *ru,int *frame,int *slot) {
uint32_t symbol_number=0;
uint32_t symbol_mask, symbol_mask_full;
uint16_t packet_type;
/// **** incoming IF4p5 from remote RCC/RAU **** ///
symbol_number = 0;
symbol_mask = 0;
symbol_mask_full = (1<<(ru->nr_frame_parms->symbols_per_slot))-1;
do {
recv_IF4p5(ru, frame, slot, &packet_type, &symbol_number);
symbol_mask = symbol_mask | (1<<symbol_number);
} while (symbol_mask != symbol_mask_full);
// dump VCD output for first RU in list
if (ru == RC.ru[0]) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, *frame );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, *slot );
}
}
void fh_if5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
int tti_tx,frame_tx;
openair0_timestamp timestamp_tx;
recv_IF5(ru, &timestamp_tx, *slot, IF5_RRH_GW_DL);
// printf("Received subframe %d (TS %llu) from RCC\n",tti_tx,timestamp_tx);
tti_tx = (timestamp_tx/fp->samples_per_slot)%fp->slots_per_frame;
frame_tx = (timestamp_tx/(fp->samples_per_slot*fp->slots_per_frame))&1023;
if (proc->first_tx != 0) {
*slot = tti_tx;
*frame = frame_tx;
proc->first_tx = 0;
}
else {
AssertFatal(tti_tx == *slot,
"tti_tx %d is not what we expect %d\n",tti_tx,*slot);
AssertFatal(frame_tx == *frame,
"frame_tx %d is not what we expect %d\n",frame_tx,*frame);
}
}
void fh_if4p5_north_asynch_in(RU_t *ru,int *frame,int *slot) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_t *cfg = &ru->gNB_list[0]->gNB_config;
RU_proc_t *proc = &ru->proc;
uint16_t packet_type;
uint32_t symbol_number,symbol_mask,symbol_mask_full=0;
int slot_tx,frame_tx;
LOG_D(PHY, "%s(ru:%p frame, subframe)\n", __FUNCTION__, ru);
symbol_number = 0;
symbol_mask = 0;
// symbol_mask_full = ((subframe_select(fp,*slot) == SF_S) ? (1<<fp->dl_symbols_in_S_subframe) : (1<<fp->symbols_per_slot))-1;
do {
recv_IF4p5(ru, &frame_tx, &slot_tx, &packet_type, &symbol_number);
if ((nr_slot_select(cfg,slot_tx) == SF_DL) && (symbol_number == 0)) start_meas(&ru->rx_fhaul);
LOG_D(PHY,"subframe %d (%d): frame %d, subframe %d, symbol %d\n",
*slot,nr_slot_select(cfg,*slot),frame_tx,slot_tx,symbol_number);
if (proc->first_tx != 0) {
*frame = frame_tx;
*slot = slot_tx;
proc->first_tx = 0;
//symbol_mask_full = ((subframe_select(fp,*slot) == SF_S) ? (1<<fp->dl_symbols_in_S_subframe) : (1<<fp->symbols_per_slot))-1;
}
else {
AssertFatal(frame_tx == *frame,
"frame_tx %d is not what we expect %d\n",frame_tx,*frame);
AssertFatal(slot_tx == *slot,
"slot_tx %d is not what we expect %d\n",slot_tx,*slot);
}
if (packet_type == IF4p5_PDLFFT) {
symbol_mask = symbol_mask | (1<<symbol_number);
}
else AssertFatal(1==0,"Illegal IF4p5 packet type (should only be IF4p5_PDLFFT%d\n",packet_type);
} while (symbol_mask != symbol_mask_full);
if (nr_slot_select(cfg,slot_tx) == SF_DL) stop_meas(&ru->rx_fhaul);
proc->tti_tx = slot_tx;
proc->frame_tx = frame_tx;
if ((frame_tx == 0)&&(slot_tx == 0)) proc->frame_tx_unwrap += 1024;
proc->timestamp_tx = ((((uint64_t)frame_tx + (uint64_t)proc->frame_tx_unwrap) * fp->slots_per_frame) + (uint64_t)slot_tx) * (uint64_t)fp->samples_per_slot;
LOG_D(PHY,"RU %d/%d TST %llu, frame %d, subframe %d\n",ru->idx,0,(long long unsigned int)proc->timestamp_tx,frame_tx,slot_tx);
// dump VCD output for first RU in list
if (ru == RC.ru[0]) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, slot_tx );
}
if (ru->feptx_ofdm) ru->feptx_ofdm(ru,frame_tx,slot_tx);
if (ru->fh_south_out) ru->fh_south_out(ru,frame_tx,slot_tx,proc->timestamp_tx);
}
void fh_if5_north_out(RU_t *ru) {
RU_proc_t *proc=&ru->proc;
uint8_t seqno=0;
/// **** send_IF5 of rxdata to BBU **** ///
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF5, 1 );
send_IF5(ru, proc->timestamp_rx, proc->tti_rx, &seqno, IF5_RRH_GW_UL);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_SEND_IF5, 0 );
}
// RRU IF4p5 northbound interface (RX)
void fh_if4p5_north_out(RU_t *ru) {
RU_proc_t *proc=&ru->proc;
//NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
//const int subframe = proc->tti_rx;
if (ru->idx==0) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_RX0_RU, proc->tti_rx );
/*
if ((fp->frame_type == TDD) && (subframe_select(fp,subframe)!=SF_UL)) {
/// **** in TDD during DL send_IF4 of ULTICK to RCC **** ///
send_IF4p5(ru, proc->frame_rx, proc->tti_rx, IF4p5_PULTICK);
return;
}*/
start_meas(&ru->tx_fhaul);
send_IF4p5(ru, proc->frame_rx, proc->tti_rx, IF4p5_PULFFT);
stop_meas(&ru->tx_fhaul);
}
static void* emulatedRF_thread(void* param) {
RU_proc_t *proc = (RU_proc_t *) param;
int microsec = 500; // length of time to sleep, in miliseconds
struct timespec req = {0};
req.tv_sec = 0;
req.tv_nsec = (numerology>0)? ((microsec * 1000L)/numerology):(microsec * 1000L)*2;
cpu_set_t cpuset;
CPU_SET(1,&cpuset);
pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
int policy;
struct sched_param sparam;
memset(&sparam, 0, sizeof(sparam));
sparam.sched_priority = sched_get_priority_max(SCHED_FIFO);
policy = SCHED_FIFO ;
pthread_setschedparam(pthread_self(), policy, &sparam);
wait_sync("emulatedRF_thread");
while(!oai_exit){
nanosleep(&req, (struct timespec *)NULL);
pthread_mutex_lock(&proc->mutex_emulateRF);
++proc->instance_cnt_emulateRF;
pthread_mutex_unlock(&proc->mutex_emulateRF);
pthread_cond_signal(&proc->cond_emulateRF);
}
return 0;
}
void rx_rf(RU_t *ru,int *frame,int *slot) {
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
void *rxp[ru->nb_rx];
unsigned int rxs;
int i;
openair0_timestamp ts,old_ts;
AssertFatal(*slot<fp->slots_per_frame && *slot>=0, "slot %d is illegal (%d)\n",*slot,fp->slots_per_frame);
for (i=0; i<ru->nb_rx; i++)
rxp[i] = (void*)&ru->common.rxdata[i][*slot*fp->samples_per_slot];
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 1 );
old_ts = proc->timestamp_rx;
LOG_D(PHY,"Reading %d samples for slot %d (%p)\n",fp->samples_per_slot,*slot,rxp[0]);
if(emulate_rf){
wait_on_condition(&proc->mutex_emulateRF,&proc->cond_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
release_thread(&proc->mutex_emulateRF,&proc->instance_cnt_emulateRF,"emulatedRF_thread");
rxs = fp->samples_per_slot;
ts = old_ts + rxs;
}
else{
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&ts,
rxp,
fp->samples_per_slot,
ru->nb_rx);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 );
proc->timestamp_rx = ts-ru->ts_offset;
//AssertFatal(rxs == fp->samples_per_subframe,
//"rx_rf: Asked for %d samples, got %d from USRP\n",fp->samples_per_subframe,rxs);
if (rxs != fp->samples_per_slot) LOG_E(PHY, "rx_rf: Asked for %d samples, got %d from USRP\n",fp->samples_per_slot,rxs);
if (proc->first_rx == 1) {
ru->ts_offset = proc->timestamp_rx;
proc->timestamp_rx = 0;
}
else {
if (proc->timestamp_rx - old_ts != fp->samples_per_slot) {
LOG_D(PHY,"rx_rf: rfdevice timing drift of %"PRId64" samples (ts_off %"PRId64")\n",proc->timestamp_rx - old_ts - fp->samples_per_slot,ru->ts_offset);
ru->ts_offset += (proc->timestamp_rx - old_ts - fp->samples_per_slot);
proc->timestamp_rx = ts-ru->ts_offset;
}
}
proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_slot*fp->slots_per_frame))&1023;
proc->tti_rx = (proc->timestamp_rx / fp->samples_per_slot)%fp->slots_per_frame;
// synchronize first reception to frame 0 subframe 0
// dump VCD output for first RU in list
if (ru == RC.ru[0]) {
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_RU, proc->frame_rx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_RX0_RU, proc->tti_rx );
}
if (proc->first_rx == 0) {
if (proc->tti_rx != *slot){
LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->tti_rx %d, subframe %d)\n",(long long unsigned int)proc->timestamp_rx,proc->tti_rx,*slot);
exit_fun("Exiting");
}
if (proc->frame_rx != *frame) {
LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->frame_rx %d frame %d)\n",(long long unsigned int)proc->timestamp_rx,proc->frame_rx,*frame);
exit_fun("Exiting");
}
} else {
proc->first_rx = 0;
*frame = proc->frame_rx;
*slot = proc->tti_rx;
}
//printf("timestamp_rx %lu, frame %d(%d), subframe %d(%d)\n",ru->timestamp_rx,proc->frame_rx,frame,proc->tti_rx,subframe);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff );
if (rxs != fp->samples_per_slot)
{
//exit_fun( "problem receiving samples" );
LOG_E(PHY, "problem receiving samples\n");
}
}
void tx_rf(RU_t *ru,int frame_tx,int tti_tx,uint64_t timestamp_tx) {
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_t *cfg = &ru->gNB_list[0]->gNB_config;
void *txp[ru->nb_tx];
unsigned int txs;
int i;
T(T_ENB_PHY_OUTPUT_SIGNAL, T_INT(0), T_INT(0), T_INT(frame_tx), T_INT(tti_tx),
T_INT(0), T_BUFFER(&ru->common.txdata[0][tti_tx * fp->samples_per_slot], fp->samples_per_slot * 4));
nr_subframe_t SF_type = nr_slot_select(cfg,tti_tx%fp->slots_per_frame);
int sf_extension = 0;
if ((SF_type == SF_DL) ||
(SF_type == SF_S)) {
int siglen=fp->samples_per_slot,flags=1;
/*
if (SF_type == SF_S) {
siglen = fp->dl_symbols_in_S_subframe*(fp->ofdm_symbol_size+fp->nb_prefix_samples0);
flags=3; // end of burst
}
if ((fp->frame_type == TDD) &&
(SF_type == SF_DL)&&
(prevSF_type == SF_UL) &&
(nextSF_type == SF_DL)) {
flags = 2; // start of burst
sf_extension = ru->N_TA_offset<<1;
}
if ((cfg->subframe_config.duplex_mode == TDD) &&
(SF_type == SF_DL)&&
(prevSF_type == SF_UL) &&
(nextSF_type == SF_UL)) {
flags = 4; // start of burst and end of burst (only one DL SF between two UL)
sf_extension = ru->N_TA_offset<<1;
} */
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU,tti_tx );
for (i=0; i<ru->nb_tx; i++)
txp[i] = (void*)&ru->common.txdata[i][(tti_tx*fp->samples_per_slot)-sf_extension];
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (timestamp_tx-ru->openair0_cfg.tx_sample_advance)&0xffffffff );
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 );
// prepare tx buffer pointers
txs = ru->rfdevice.trx_write_func(&ru->rfdevice,
timestamp_tx+ru->ts_offset-ru->openair0_cfg.tx_sample_advance-sf_extension,
txp,
siglen+sf_extension,
ru->nb_tx,
4);//flags);
LOG_D(PHY,"[TXPATH] RU %d tx_rf, writing to TS %llu, frame %d, unwrapped_frame %d, subframe %d\n",ru->idx,
(long long unsigned int)timestamp_tx,frame_tx,proc->frame_tx_unwrap,tti_tx);
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 );
AssertFatal(txs == (siglen+sf_extension),"TX : Timeout (sent %d/%d)\n",txs, siglen);
}
}
/*!
* \brief The Asynchronous RX/TX FH thread of RAU/RCC/gNB/RRU.
* This handles the RX FH for an asynchronous RRU/UE
* \param param is a \ref gNB_L1_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* ru_thread_asynch_rxtx( void* param ) {
static int ru_thread_asynch_rxtx_status;
RU_t *ru = (RU_t*)param;
RU_proc_t *proc = &ru->proc;
int subframe=0, frame=0;
thread_top_init("ru_thread_asynch_rxtx",1,870000L,1000000L,1000000L);
// wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe
wait_sync("ru_thread_asynch_rxtx");
// wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe
printf( "waiting for devices (ru_thread_asynch_rx)\n");
wait_on_condition(&proc->mutex_asynch_rxtx,&proc->cond_asynch_rxtx,&proc->instance_cnt_asynch_rxtx,"thread_asynch");
printf( "devices ok (ru_thread_asynch_rx)\n");
while (!oai_exit) {
if (oai_exit) break;
if (subframe==9) {
subframe=0;
frame++;
frame&=1023;
} else {
subframe++;
}
LOG_D(PHY,"ru_thread_asynch_rxtx: Waiting on incoming fronthaul\n");
// asynchronous receive from south (Mobipass)
if (ru->fh_south_asynch_in) ru->fh_south_asynch_in(ru,&frame,&subframe);
// asynchronous receive from north (RRU IF4/IF5)
else if (ru->fh_north_asynch_in) {
if (nr_slot_select(&ru->gNB_list[0]->gNB_config,subframe)!=SF_UL)
ru->fh_north_asynch_in(ru,&frame,&subframe);
}
else AssertFatal(1==0,"Unknown function in ru_thread_asynch_rxtx\n");
}
ru_thread_asynch_rxtx_status=0;
return(&ru_thread_asynch_rxtx_status);
}
/*!
* \brief The prach receive thread of RU.
* \param param is a \ref RU_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* ru_thread_prach( void* param ) {
static int ru_thread_prach_status;
RU_t *ru = (RU_t*)param;
RU_proc_t *proc = (RU_proc_t*)&ru->proc;
// set default return value
ru_thread_prach_status = 0;
thread_top_init("ru_thread_prach",1,500000L,1000000L,20000000L);
while (RC.ru_mask>0) {
usleep(1e6);
LOG_I(PHY,"%s() RACH waiting for RU to be configured\n", __FUNCTION__);
}
LOG_I(PHY,"%s() RU configured - RACH processing thread running\n", __FUNCTION__);
while (!oai_exit) {
if (oai_exit) break;
if (wait_on_condition(&proc->mutex_prach,&proc->cond_prach,&proc->instance_cnt_prach,"ru_prach_thread") < 0) break;
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_RU_PRACH_RX, 1 );
/*if (ru->gNB_list[0]){
prach_procedures(
ru->gNB_list[0]
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,0
#endif
);
}
else {
rx_prach(NULL,
ru,
NULL,
NULL,
NULL,
proc->frame_prach,
0
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
,0
#endif
);
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_RU_PRACH_RX, 0 ); */
if (release_thread(&proc->mutex_prach,&proc->instance_cnt_prach,"ru_prach_thread") < 0) break;
}
LOG_I(PHY, "Exiting RU thread PRACH\n");
ru_thread_prach_status = 0;
return &ru_thread_prach_status;
}
int wakeup_synch(RU_t *ru){
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
// wake up synch thread
// lock the synch mutex and make sure the thread is ready
if (pthread_mutex_timedlock(&ru->proc.mutex_synch,&wait) != 0) {
LOG_E( PHY, "[RU] ERROR pthread_mutex_lock for RU synch thread (IC %d)\n", ru->proc.instance_cnt_synch );
exit_fun( "error locking mutex_synch" );
return(-1);
}
++ru->proc.instance_cnt_synch;
// the thread can now be woken up
if (pthread_cond_signal(&ru->proc.cond_synch) != 0) {
LOG_E( PHY, "[RU] ERROR pthread_cond_signal for RU synch thread\n");
exit_fun( "ERROR pthread_cond_signal" );
return(-1);
}
pthread_mutex_unlock( &ru->proc.mutex_synch );
return(0);
}
void do_ru_synch(RU_t *ru) {
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
RU_proc_t *proc = &ru->proc;
int i;
void *rxp[2],*rxp2[2];
int32_t dummy_rx[ru->nb_rx][fp->samples_per_subframe] __attribute__((aligned(32)));
int rxs;
int ic;
// initialize the synchronization buffer to the common_vars.rxdata
for (int i=0;i<ru->nb_rx;i++)
rxp[i] = &ru->common.rxdata[i][0];
double temp_freq1 = ru->rfdevice.openair0_cfg->rx_freq[0];
double temp_freq2 = ru->rfdevice.openair0_cfg->tx_freq[0];
for (i=0;i<4;i++) {
ru->rfdevice.openair0_cfg->rx_freq[i] = ru->rfdevice.openair0_cfg->tx_freq[i];
ru->rfdevice.openair0_cfg->tx_freq[i] = temp_freq1;
}
ru->rfdevice.trx_set_freq_func(&ru->rfdevice,ru->rfdevice.openair0_cfg,0);
while ((ru->in_synch ==0)&&(!oai_exit)) {
// read in frame
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&(proc->timestamp_rx),
rxp,
fp->samples_per_subframe*10,
ru->nb_rx);
if (rxs != fp->samples_per_subframe*10) LOG_E(PHY,"requested %d samples, got %d\n",fp->samples_per_subframe*10,rxs);
// wakeup synchronization processing thread
wakeup_synch(ru);
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<ru->nb_rx; i++)
rxp2[i] = (void*)&dummy_rx[i][0];
for (i=0;i<10;i++)
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&(proc->timestamp_rx),
rxp2,
fp->samples_per_subframe,
ru->nb_rx);
pthread_mutex_lock(&ru->proc.mutex_synch);
ic = ru->proc.instance_cnt_synch;
pthread_mutex_unlock(&ru->proc.mutex_synch);
} // ic>=0
} // in_synch==0
// read in rx_offset samples
LOG_I(PHY,"Resynchronizing by %d samples\n",ru->rx_offset);
rxs = ru->rfdevice.trx_read_func(&ru->rfdevice,
&(proc->timestamp_rx),
rxp,
ru->rx_offset,
ru->nb_rx);
for (i=0;i<4;i++) {
ru->rfdevice.openair0_cfg->rx_freq[i] = temp_freq1;
ru->rfdevice.openair0_cfg->tx_freq[i] = temp_freq2;
}
ru->rfdevice.trx_set_freq_func(&ru->rfdevice,ru->rfdevice.openair0_cfg,0);
}
void wakeup_gNB_L1s(RU_t *ru) {
int i;
PHY_VARS_gNB **gNB_list = ru->gNB_list;
LOG_D(PHY,"wakeup_gNB_L1s (num %d) for RU %d ru->gNB_top:%p\n",ru->num_gNB,ru->idx, ru->gNB_top);
if (ru->num_gNB==1 && ru->gNB_top!=0 && get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD) {
// call gNB function directly
char string[20];
sprintf(string,"Incoming RU %d",ru->idx);
LOG_D(PHY,"RU %d Call gNB_top\n",ru->idx);
ru->gNB_top(gNB_list[0],ru->proc.frame_rx,ru->proc.tti_rx,string,ru);
}
else {
LOG_D(PHY,"ru->num_gNB:%d\n", ru->num_gNB);
for (i=0;i<ru->num_gNB;i++)
{
LOG_D(PHY,"ru->wakeup_rxtx:%p\n", ru->nr_wakeup_rxtx);
if (ru->nr_wakeup_rxtx!=0 && ru->nr_wakeup_rxtx(gNB_list[i],ru) < 0)
{
LOG_E(PHY,"could not wakeup gNB rxtx process for subframe %d\n", ru->proc.tti_rx);
}
}
}
}
static inline int wakeup_prach_ru(RU_t *ru) {
struct timespec wait;
wait.tv_sec=0;
wait.tv_nsec=5000000L;
if (pthread_mutex_timedlock(&ru->proc.mutex_prach,&wait) !=0) {
LOG_E( PHY, "[RU] ERROR pthread_mutex_lock for RU prach thread (IC %d)\n", ru->proc.instance_cnt_prach);
exit_fun( "error locking mutex_rxtx" );
return(-1);
}
if (ru->proc.instance_cnt_prach==-1) {
++ru->proc.instance_cnt_prach;
ru->proc.frame_prach = ru->proc.frame_rx;
ru->proc.subframe_prach = ru->proc.tti_rx;
// DJP - think prach_procedures() is looking at gNB frame_prach
if (ru->gNB_list[0]) {
ru->gNB_list[0]->proc.frame_prach = ru->proc.frame_rx;
ru->gNB_list[0]->proc.slot_prach = ru->proc.tti_rx;
}
LOG_D(PHY,"RU %d: waking up PRACH thread\n",ru->idx);
// the thread can now be woken up
AssertFatal(pthread_cond_signal(&ru->proc.cond_prach) == 0, "ERROR pthread_cond_signal for RU prach thread\n");
}
else LOG_W(PHY,"RU prach thread busy, skipping\n");
pthread_mutex_unlock( &ru->proc.mutex_prach );
return(0);
}
// this is for RU with local RF unit
void fill_rf_config(RU_t *ru, char *rf_config_file) {
int i;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
nfapi_nr_config_request_t *gNB_config = &ru->gNB_list[0]->gNB_config; //tmp index
openair0_config_t *cfg = &ru->openair0_cfg;
int N_RB = gNB_config->rf_config.dl_carrier_bandwidth.value;
int mu = gNB_config->subframe_config.numerology_index_mu.value;
if (mu == NR_MU_0) { //or if LTE
if(N_RB == 100) {
if (fp->threequarter_fs) {
cfg->sample_rate=23.04e6;
cfg->samples_per_frame = 230400;
cfg->tx_bw = 10e6;
cfg->rx_bw = 10e6;
}
else {
cfg->sample_rate=30.72e6;
cfg->samples_per_frame = 307200;
cfg->tx_bw = 10e6;
cfg->rx_bw = 10e6;
}
} else if(N_RB == 50) {
cfg->sample_rate=15.36e6;
cfg->samples_per_frame = 153600;
cfg->tx_bw = 5e6;
cfg->rx_bw = 5e6;
} else if (N_RB == 25) {
cfg->sample_rate=7.68e6;
cfg->samples_per_frame = 76800;
cfg->tx_bw = 2.5e6;
cfg->rx_bw = 2.5e6;
} else if (N_RB == 6) {
cfg->sample_rate=1.92e6;
cfg->samples_per_frame = 19200;
cfg->tx_bw = 1.5e6;
cfg->rx_bw = 1.5e6;
}
else AssertFatal(1==0,"Unknown N_RB %d\n",N_RB);
}
else if (mu == NR_MU_1) {
if(N_RB == 217) {
if (fp->threequarter_fs) {
cfg->sample_rate=92.16e6;
cfg->samples_per_frame = 921600;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
}
else {
cfg->sample_rate=122.88e6;
cfg->samples_per_frame = 1228800;
cfg->tx_bw = 40e6;
cfg->rx_bw = 40e6;
}
} else if(N_RB == 106) {
cfg->sample_rate=61.44e6;
cfg->samples_per_frame = 614400;
cfg->tx_bw = 20e6;
cfg->rx_bw = 20e6;
} else {
AssertFatal(0==1,"N_RB %d not yet supported for numerology %d\n",N_RB,mu);
}
} else {
AssertFatal(0 == 1,"Numerology %d not supported for the moment\n",mu);
}
if (gNB_config->subframe_config.duplex_mode.value==TDD)
cfg->duplex_mode = duplex_mode_TDD;
else //FDD
cfg->duplex_mode = duplex_mode_FDD;
cfg->Mod_id = 0;
cfg->num_rb_dl=N_RB;
cfg->tx_num_channels=ru->nb_tx;
cfg->rx_num_channels=ru->nb_rx;
for (i=0; i<ru->nb_tx; i++) {
cfg->tx_freq[i] = (double)fp->dl_CarrierFreq;
cfg->rx_freq[i] = (double)fp->ul_CarrierFreq;
cfg->tx_gain[i] = ru->att_tx;
cfg->rx_gain[i] = ru->max_rxgain-ru->att_rx;
cfg->configFilename = rf_config_file;
printf("channel %d, Setting tx_gain offset %f, rx_gain offset %f, tx_freq %f, rx_freq %f\n",
i, cfg->tx_gain[i],
cfg->rx_gain[i],
cfg->tx_freq[i],
cfg->rx_freq[i]);
}
}
/* this function maps the RU tx and rx buffers to the available rf chains.
Each rf chain is is addressed by the card number and the chain on the card. The
rf_map specifies for each antenna port, on which rf chain the mapping should start. Multiple
antennas are mapped to successive RF chains on the same card. */
int setup_RU_buffers(RU_t *ru) {
int i,j;
int card,ant;
//uint16_t N_TA_offset = 0;
NR_DL_FRAME_PARMS *frame_parms;
//nfapi_nr_config_request_t *gNB_config = ru->gNB_list[0]->gNB_config; //tmp index
if (ru) {
frame_parms = ru->nr_frame_parms;
printf("setup_RU_buffers: frame_parms = %p\n",frame_parms);
} else {
printf("RU[%d] not initialized\n", ru->idx);
return(-1);
}
/* if (frame_parms->frame_type == TDD) {
if (frame_parms->N_RB_DL == 100) ru->N_TA_offset = 624;
else if (frame_parms->N_RB_DL == 50) ru->N_TA_offset = 624/2;
else if (frame_parms->N_RB_DL == 25) ru->N_TA_offset = 624/4;
} */
if (ru->openair0_cfg.mmapped_dma == 1) {
// replace RX signal buffers with mmaped HW versions
for (i=0; i<ru->nb_rx; i++) {
card = i/4;
ant = i%4;
printf("Mapping RU id %d, rx_ant %d, on card %d, chain %d\n",ru->idx,i,ru->rf_map.card+card, ru->rf_map.chain+ant);
free(ru->common.rxdata[i]);
ru->common.rxdata[i] = ru->openair0_cfg.rxbase[ru->rf_map.chain+ant];
printf("rxdata[%d] @ %p\n",i,ru->common.rxdata[i]);
for (j=0; j<16; j++) {
printf("rxbuffer %d: %x\n",j,ru->common.rxdata[i][j]);
ru->common.rxdata[i][j] = 16-j;
}
}
for (i=0; i<ru->nb_tx; i++) {
card = i/4;
ant = i%4;
printf("Mapping RU id %d, tx_ant %d, on card %d, chain %d\n",ru->idx,i,ru->rf_map.card+card, ru->rf_map.chain+ant);
free(ru->common.txdata[i]);
ru->common.txdata[i] = ru->openair0_cfg.txbase[ru->rf_map.chain+ant];
printf("txdata[%d] @ %p\n",i,ru->common.txdata[i]);
for (j=0; j<16; j++) {
printf("txbuffer %d: %x\n",j,ru->common.txdata[i][j]);
ru->common.txdata[i][j] = 16-j;
}
}
}
else { // not memory-mapped DMA
//nothing to do, everything already allocated in lte_init
}
return(0);
}
static void* ru_stats_thread(void* param) {
RU_t *ru = (RU_t*)param;
wait_sync("ru_stats_thread");
while (!oai_exit) {
sleep(1);
if (opp_enabled == 1) {
if (ru->feprx) print_meas(&ru->ofdm_demod_stats,"feprx",NULL,NULL);
if (ru->feptx_ofdm) print_meas(&ru->ofdm_mod_stats,"feptx_ofdm",NULL,NULL);
if (ru->fh_north_asynch_in) print_meas(&ru->rx_fhaul,"rx_fhaul",NULL,NULL);
if (ru->fh_north_out) {
print_meas(&ru->tx_fhaul,"tx_fhaul",NULL,NULL);
print_meas(&ru->compression,"compression",NULL,NULL);
print_meas(&ru->transport,"transport",NULL,NULL);
}
}
}
return(NULL);
}
static void* ru_thread_tx( void* param ) {
RU_t *ru = (RU_t*)param;
RU_proc_t *proc = &ru->proc;
PHY_VARS_gNB *gNB;
gNB_L1_proc_t *gNB_proc;
gNB_L1_rxtx_proc_t *L1_proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
char filename[40];
int print_frame = 8;
int i = 0;
thread_top_init("ru_thread_tx",0,400000,500000,500000);
wait_on_condition(&proc->mutex_FH1,&proc->cond_FH1,&proc->instance_cnt_FH1,"ru_thread_tx");
while (!oai_exit) {
if (oai_exit) break;
LOG_D(PHY,"ru_thread_tx: Waiting for TX processing\n");
// wait until eNBs are finished subframe RX n and TX n+4
wait_on_condition(&proc->mutex_gNBs,&proc->cond_gNBs,&proc->instance_cnt_gNBs,"ru_thread_tx");
pthread_mutex_lock(&proc->mutex_gNBs);
int frame_tx=proc->frame_tx;
int tti_tx =proc->tti_tx;
uint64_t timestamp_tx = proc->timestamp_tx;
pthread_mutex_unlock(&proc->mutex_gNBs);
if (oai_exit) break;
//printf("~~~~~~~~~~~~~~~~start process for ru_thread_tx %d.%d\n", proc->frame_tx, proc->tti_tx);
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_RU, frame_tx );
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TTI_NUMBER_TX0_RU, tti_tx );
// do TX front-end processing if needed (precoding and/or IDFTs)
if (ru->feptx_prec) ru->feptx_prec(ru,frame_tx,tti_tx);
// do OFDM if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->feptx_ofdm)) ru->feptx_ofdm(ru,frame_tx,tti_tx);
if(!emulate_rf){
// do outgoing fronthaul (south) if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->fh_south_out)) ru->fh_south_out(ru,frame_tx,tti_tx,timestamp_tx);
if (ru->fh_north_out) ru->fh_north_out(ru);
}
else
{
if(frame_tx == print_frame)
{
for (i=0; i<ru->nb_tx; i++)
{
sprintf(filename,"tx%ddataF_frame%d_sl%d.m", i, print_frame, proc->tti_tx);
LOG_M(filename,"txdataF_frame",&ru->common.txdataF_BF[i][0],fp->samples_per_subframe_wCP, 1, 1);
if(proc->tti_tx == 9)
{
sprintf(filename,"tx%ddata_frame%d.m", i, print_frame);
LOG_M(filename,"txdata_frame",&ru->common.txdata[i][0],fp->samples_per_frame, 1, 1);
sprintf(filename,"tx%ddata_frame%d.dat", i, print_frame);
FILE *output_fd = fopen(filename,"w");
if (output_fd) {
fwrite(&ru->common.txdata[i][0],
sizeof(int32_t),
fp->samples_per_frame,
output_fd);
fclose(output_fd);
}
else {
LOG_E(PHY,"Cannot write to file %s\n",filename);
}
}//if(proc->tti_tx == 9)
}//for (i=0; i<ru->nb_tx; i++)
}//if(proc->frame_tx == print_frame)
}//else emulate_rf
release_thread(&proc->mutex_gNBs,&proc->instance_cnt_gNBs,"ru_thread_tx");
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX1_UE, proc->instance_cnt_gNBs);
for(i = 0; i<ru->num_gNB; i++)
{
gNB = ru->gNB_list[i];
gNB_proc = &gNB->proc;
L1_proc = (get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT)? &gNB_proc->L1_proc_tx : &gNB_proc->L1_proc;
pthread_mutex_lock(&gNB_proc->mutex_RU_tx);
for (int j=0;j<gNB->num_RU;j++) {
if (ru == gNB->RU_list[j]) {
if ((gNB_proc->RU_mask_tx&(1<<j)) > 0)
LOG_E(PHY,"eNB %d frame %d, subframe %d : previous information from RU tx %d (num_RU %d,mask %x) has not been served yet!\n",
gNB->Mod_id,gNB_proc->frame_rx,gNB_proc->slot_rx,ru->idx,gNB->num_RU,gNB_proc->RU_mask_tx);
gNB_proc->RU_mask_tx |= (1<<j);
}
}
if (gNB_proc->RU_mask_tx != (1<<gNB->num_RU)-1) { // not all RUs have provided their information so return
pthread_mutex_unlock(&gNB_proc->mutex_RU_tx);
}
else { // all RUs TX are finished so send the ready signal to eNB processing
gNB_proc->RU_mask_tx = 0;
pthread_mutex_unlock(&gNB_proc->mutex_RU_tx);
pthread_mutex_lock(&L1_proc->mutex_RUs_tx);
L1_proc->instance_cnt_RUs = 0;
VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME(VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_RX0_UE,L1_proc->instance_cnt_RUs);
pthread_mutex_unlock( &L1_proc->mutex_RUs_tx );
// the thread can now be woken up
if (pthread_cond_signal(&L1_proc->cond_RUs) != 0) {
LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB L1 TX thread\n");
exit_fun( "ERROR pthread_cond_signal" );
}
}
}
}
release_thread(&proc->mutex_FH1,&proc->instance_cnt_FH1,"ru_thread_tx");
return 0;
}
static void* ru_thread( void* param ) {
static int ru_thread_status;
RU_t *ru = (RU_t*)param;
RU_proc_t *proc = &ru->proc;
NR_DL_FRAME_PARMS *fp = ru->nr_frame_parms;
int ret;
int slot = fp->slots_per_frame-1;
int frame =1023;
char filename[40],threadname[40];
int print_frame = 8;
int i = 0;
// set default return value
ru_thread_status = 0;
// set default return value
sprintf(threadname,"ru_thread %d",ru->idx);
thread_top_init(threadname,0,870000,1000000,1000000);
LOG_D(PHY,"Starting RU %d (%s,%s),\n",ru->idx,NB_functions[ru->function],NB_timing[ru->if_timing]);
if(emulate_rf){
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
nr_phy_init_RU(ru);
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}
}
else{
// Start IF device if any
if (ru->start_if) {
LOG_I(PHY,"Starting IF interface for RU %d\n",ru->idx);
AssertFatal(ru->start_if(ru,NULL) == 0, "Could not start the IF device\n");
if (ru->if_south == LOCAL_RF) ret = connect_rau(ru);
else ret = attach_rru(ru);
AssertFatal(ret==0,"Cannot connect to remote radio\n");
}
if (ru->if_south == LOCAL_RF) { // configure RF parameters only
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, fp);
nr_dump_frame_parms(fp);
nr_phy_init_RU(ru);
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
AssertFatal(ret==0,"Cannot connect to local radio\n");
}
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}
}
LOG_I(PHY, "Signaling main thread that RU %d is ready\n",ru->idx);
pthread_mutex_lock(&RC.ru_mutex);
RC.ru_mask &= ~(1<<ru->idx);
pthread_cond_signal(&RC.ru_cond);
pthread_mutex_unlock(&RC.ru_mutex);
wait_sync("ru_thread");
if(!emulate_rf){
// Start RF device if any
if (ru->start_rf) {
if (ru->start_rf(ru) != 0)
LOG_E(HW,"Could not start the RF device\n");
else LOG_I(PHY,"RU %d rf device ready\n",ru->idx);
}
else LOG_I(PHY,"RU %d no rf device\n",ru->idx);
// if an asnych_rxtx thread exists
// wakeup the thread because the devices are ready at this point
if ((ru->fh_south_asynch_in)||(ru->fh_north_asynch_in)) {
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);
}
else LOG_I(PHY,"RU %d no asynch_south interface\n",ru->idx);
// if this is a slave RRU, try to synchronize on the DL frequency
if ((ru->is_slave) && (ru->if_south == LOCAL_RF)) do_ru_synch(ru);
}
pthread_mutex_lock(&proc->mutex_FH1);
proc->instance_cnt_FH1 = 0;
pthread_mutex_unlock(&proc->mutex_FH1);
pthread_cond_signal(&proc->cond_FH1);
// 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 (slot==(fp->slots_per_frame-1)) {
slot=0;
frame++;
frame&=1023;
} else {
slot++;
}
// synchronization on input FH interface, acquire signals/data and block
if (ru->fh_south_in) ru->fh_south_in(ru,&frame,&slot);
else AssertFatal(1==0, "No fronthaul interface at south port");
LOG_D(PHY,"AFTER fh_south_in - SFN/SL:%d%d RU->proc[RX:%d.%d TX:%d.%d] RC.gNB[0][0]:[RX:%d%d TX(SFN):%d]\n",
frame,slot,
proc->frame_rx,proc->tti_rx,
proc->frame_tx,proc->tti_tx,
RC.gNB[0][0]->proc.frame_rx,RC.gNB[0][0]->proc.slot_rx,
RC.gNB[0][0]->proc.frame_tx);
/*
LOG_D(PHY,"RU thread (do_prach %d, is_prach_subframe %d), received frame %d, subframe %d\n",
ru->do_prach,
is_prach_subframe(fp, proc->frame_rx, proc->tti_rx),
proc->frame_rx,proc->tti_rx);
if ((ru->do_prach>0) && (is_prach_subframe(fp, proc->frame_rx, proc->tti_rx)==1)) {
wakeup_prach_ru(ru);
}*/
// adjust for timing offset between RU
//printf("~~~~~~~~~~~~~~~~~~~~~~~~~~%d.%d in ru_thread is in process\n", proc->frame_rx, proc->tti_rx);
if (ru->idx!=0) proc->frame_tx = (proc->frame_tx+proc->frame_offset)&1023;
// do RX front-end processing (frequency-shift, dft) if needed
if (ru->feprx) ru->feprx(ru);
// At this point, all information for subframe has been received on FH interface
// wakeup all gNB processes waiting for this RU
if (ru->num_gNB>0) wakeup_gNB_L1s(ru);
if(get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD && ru->num_gNB==0)
{
// do TX front-end processing if needed (precoding and/or IDFTs)
if (ru->feptx_prec) ru->feptx_prec(ru,proc->frame_tx,proc->tti_tx);
// do OFDM if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->feptx_ofdm)) ru->feptx_ofdm(ru,proc->frame_tx,proc->tti_tx);
if(!emulate_rf)
{
// do outgoing fronthaul (south) if needed
if ((ru->fh_north_asynch_in == NULL) && (ru->fh_south_out)) ru->fh_south_out(ru,proc->frame_tx,proc->tti_tx,proc->timestamp_tx);
if (ru->fh_north_out) ru->fh_north_out(ru);
}
else
{
if(proc->frame_tx == print_frame)
{
for (i=0; i<ru->nb_tx; i++)
{
sprintf(filename,"tx%ddataF_frame%d_sl%d.m", i, print_frame, proc->tti_tx);
LOG_M(filename,"txdataF_frame",&ru->common.txdataF_BF[i][0],fp->samples_per_slot_wCP, 1, 1);
if(proc->tti_tx == 9)
{
sprintf(filename,"tx%ddata_frame%d.m", i, print_frame);
LOG_M(filename,"txdata_frame",&ru->common.txdata[i][0],fp->samples_per_frame, 1, 1);
sprintf(filename,"tx%ddata_frame%d.dat", i, print_frame);
FILE *output_fd = fopen(filename,"w");
if (output_fd) {
fwrite(&ru->common.txdata[i][0],
sizeof(int32_t),
fp->samples_per_frame,
output_fd);
fclose(output_fd);
}
else {
LOG_E(PHY,"Cannot write to file %s\n",filename);
}
}//if(proc->tti_tx == 9)
}//for (i=0; i<ru->nb_tx; i++)
}//if(proc->frame_tx == print_frame)
}//else emulate_rf
proc->emulate_rf_busy = 0;
}//if(get_thread_parallel_conf() == PARALLEL_SINGLE_THREAD)
}
printf( "Exiting ru_thread \n");
if (ru->stop_rf != NULL) {
if (ru->stop_rf(ru) != 0)
LOG_E(HW,"Could not stop the RF device\n");
else LOG_I(PHY,"RU %d rf device stopped\n",ru->idx);
}
ru_thread_status = 0;
return &ru_thread_status;
}
/*
// This thread run the initial synchronization like a UE
void *ru_thread_synch(void *arg) {
RU_t *ru = (RU_t*)arg;
NR_DL_FRAME_PARMS *fp=ru->nr_frame_parms;
int32_t sync_pos,sync_pos2;
uint32_t peak_val;
uint32_t sync_corr[307200] __attribute__((aligned(32)));
static int ru_thread_synch_status;
thread_top_init("ru_thread_synch",0,5000000,10000000,10000000);
wait_sync("ru_thread_synch");
// initialize variables for PSS detection
lte_sync_time_init(ru->nr_frame_parms);
while (!oai_exit) {
// wait to be woken up
if (wait_on_condition(&ru->proc.mutex_synch,&ru->proc.cond_synch,&ru->proc.instance_cnt_synch,"ru_thread_synch")<0) break;
// if we're not in synch, then run initial synch
if (ru->in_synch == 0) {
// run intial synch like UE
LOG_I(PHY,"Running initial synchronization\n");
sync_pos = lte_sync_time_gNB(ru->common.rxdata,
fp,
fp->samples_per_subframe*5,
&peak_val,
sync_corr);
LOG_I(PHY,"RU synch: %d, val %d\n",sync_pos,peak_val);
if (sync_pos >= 0) {
if (sync_pos >= fp->nb_prefix_samples)
sync_pos2 = sync_pos - fp->nb_prefix_samples;
else
sync_pos2 = sync_pos + (fp->samples_per_subframe*10) - fp->nb_prefix_samples;
if (fp->frame_type == FDD) {
// PSS is hypothesized in last symbol of first slot in Frame
int sync_pos_slot = (fp->samples_per_subframe>>1) - fp->ofdm_symbol_size - fp->nb_prefix_samples;
if (sync_pos2 >= sync_pos_slot)
ru->rx_offset = sync_pos2 - sync_pos_slot;
else
ru->rx_offset = (fp->samples_per_subframe*10) + sync_pos2 - sync_pos_slot;
}
else {
}
LOG_I(PHY,"Estimated sync_pos %d, peak_val %d => timing offset %d\n",sync_pos,peak_val,ru->rx_offset);
if ((peak_val > 300000) && (sync_pos > 0)) {
// if (sync_pos++ > 3) {
write_output("ru_sync.m","sync",(void*)&sync_corr[0],fp->samples_per_subframe*5,1,2);
write_output("ru_rx.m","rxs",(void*)ru->ru_time.rxdata[0][0],fp->samples_per_subframe*10,1,1);
exit(-1);
}
ru->in_synch=1;
}
}
if (release_thread(&ru->proc.mutex_synch,&ru->proc.instance_cnt_synch,"ru_synch_thread") < 0) break;
} // oai_exit
ru_thread_synch_status = 0;
return &ru_thread_synch_status;
}
*/
int start_if(struct RU_t_s *ru,struct PHY_VARS_gNB_s *gNB) {
return(ru->ifdevice.trx_start_func(&ru->ifdevice));
}
int start_rf(RU_t *ru) {
return(ru->rfdevice.trx_start_func(&ru->rfdevice));
}
int stop_rf(RU_t *ru)
{
ru->rfdevice.trx_end_func(&ru->rfdevice);
return 0;
}
extern void init_nr_feptx_thread(RU_t *ru,pthread_attr_t *attr);
void init_RU_proc(RU_t *ru) {
int i=0;
RU_proc_t *proc;
pthread_attr_t *attr_FH=NULL, *attr_FH1=NULL,*attr_prach=NULL,*attr_asynch=NULL, *attr_emulateRF=NULL;// *attr_synch=NULL;
//pthread_attr_t *attr_fep=NULL;
#if (RRC_VERSION >= MAKE_VERSION(14, 0, 0))
//pthread_attr_t *attr_prach_br=NULL;
#endif
char name[100];
#ifndef OCP_FRAMEWORK
LOG_I(PHY,"Initializing RU proc %d (%s,%s),\n",ru->idx,NB_functions[ru->function],NB_timing[ru->if_timing]);
#endif
proc = &ru->proc;
memset((void*)proc,0,sizeof(RU_proc_t));
proc->ru = ru;
proc->instance_cnt_prach = -1;
proc->instance_cnt_synch = -1; ;
proc->instance_cnt_FH = -1;
proc->instance_cnt_FH1 = -1;
proc->instance_cnt_gNBs = -1;
proc->instance_cnt_asynch_rxtx = -1;
proc->instance_cnt_emulateRF = -1;
proc->first_rx = 1;
proc->first_tx = 1;
proc->frame_offset = 0;
proc->num_slaves = 0;
proc->frame_tx_unwrap = 0;
for (i=0;i<10;i++) proc->symbol_mask[i]=0;
pthread_mutex_init( &proc->mutex_prach, NULL);
pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL);
pthread_mutex_init( &proc->mutex_synch,NULL);
pthread_mutex_init( &proc->mutex_FH,NULL);
pthread_mutex_init( &proc->mutex_FH1,NULL);
pthread_mutex_init( &proc->mutex_emulateRF,NULL);
pthread_mutex_init( &proc->mutex_gNBs, NULL);
pthread_cond_init( &proc->cond_prach, NULL);
pthread_cond_init( &proc->cond_FH, NULL);
pthread_cond_init( &proc->cond_FH1, NULL);
pthread_cond_init( &proc->cond_emulateRF, NULL);
pthread_cond_init( &proc->cond_asynch_rxtx, NULL);
pthread_cond_init( &proc->cond_synch,NULL);
pthread_cond_init( &proc->cond_gNBs, NULL);
pthread_attr_init( &proc->attr_FH);
pthread_attr_init( &proc->attr_FH1);
pthread_attr_init( &proc->attr_emulateRF);
pthread_attr_init( &proc->attr_prach);
pthread_attr_init( &proc->attr_synch);
pthread_attr_init( &proc->attr_asynch_rxtx);
pthread_attr_init( &proc->attr_fep);
#ifndef DEADLINE_SCHEDULER
attr_FH = &proc->attr_FH;
attr_FH1 = &proc->attr_FH1;
attr_emulateRF = &proc->attr_emulateRF;
attr_prach = &proc->attr_prach;
//attr_synch = &proc->attr_synch;
attr_asynch = &proc->attr_asynch_rxtx;
#endif
pthread_create( &proc->pthread_FH, attr_FH, ru_thread, (void*)ru );
if (get_thread_parallel_conf() == PARALLEL_RU_L1_SPLIT || get_thread_parallel_conf() == PARALLEL_RU_L1_TRX_SPLIT)
pthread_create( &proc->pthread_FH1, attr_FH1, ru_thread_tx, (void*)ru );
if(emulate_rf)
pthread_create( &proc->pthread_emulateRF, attr_emulateRF, emulatedRF_thread, (void*)proc );
if (ru->function == NGFI_RRU_IF4p5) {
pthread_create( &proc->pthread_prach, attr_prach, ru_thread_prach, (void*)ru );
///tmp deactivation of synch thread
// if (ru->is_slave == 1) pthread_create( &proc->pthread_synch, attr_synch, ru_thread_synch, (void*)ru);
if ((ru->if_timing == synch_to_other) ||
(ru->function == NGFI_RRU_IF5) ||
(ru->function == NGFI_RRU_IF4p5)) pthread_create( &proc->pthread_asynch_rxtx, attr_asynch, ru_thread_asynch_rxtx, (void*)ru );
snprintf( name, sizeof(name), "ru_thread_FH %d", ru->idx );
pthread_setname_np( proc->pthread_FH, name );
}
else if (ru->function == gNodeB_3GPP && ru->if_south == LOCAL_RF) { // DJP - need something else to distinguish between monolithic and PNF
LOG_I(PHY,"%s() DJP - added creation of pthread_prach\n", __FUNCTION__);
pthread_create( &proc->pthread_prach, attr_prach, ru_thread_prach, (void*)ru );
}
if (get_nprocs()>=2) {
if (ru->feprx) init_fep_thread(ru,NULL);
if (ru->feptx_ofdm) nr_init_feptx_thread(ru,NULL);
}
if (opp_enabled == 1) pthread_create(&ru->ru_stats_thread,NULL,ru_stats_thread,(void*)ru);
}
void kill_RU_proc(int inst)
{
RU_t *ru = RC.ru[inst];
RU_proc_t *proc = &ru->proc;
pthread_mutex_lock(&proc->mutex_FH);
proc->instance_cnt_FH = 0;
pthread_mutex_unlock(&proc->mutex_FH);
pthread_cond_signal(&proc->cond_FH);
pthread_mutex_lock(&proc->mutex_prach);
proc->instance_cnt_prach = 0;
pthread_mutex_unlock(&proc->mutex_prach);
pthread_cond_signal(&proc->cond_prach);
pthread_mutex_lock(&proc->mutex_synch);
proc->instance_cnt_synch = 0;
pthread_mutex_unlock(&proc->mutex_synch);
pthread_cond_signal(&proc->cond_synch);
pthread_mutex_lock(&proc->mutex_gNBs);
proc->instance_cnt_gNBs = 0;
pthread_mutex_unlock(&proc->mutex_gNBs);
pthread_cond_signal(&proc->cond_gNBs);
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);
LOG_D(PHY, "Joining pthread_FH\n");
pthread_join(proc->pthread_FH, NULL);
if (ru->function == NGFI_RRU_IF4p5) {
LOG_D(PHY, "Joining pthread_prach\n");
pthread_join(proc->pthread_prach, NULL);
if (ru->is_slave) {
LOG_D(PHY, "Joining pthread_\n");
pthread_join(proc->pthread_synch, NULL);
}
if ((ru->if_timing == synch_to_other) ||
(ru->function == NGFI_RRU_IF5) ||
(ru->function == NGFI_RRU_IF4p5)) {
LOG_D(PHY, "Joining pthread_asynch_rxtx\n");
pthread_join(proc->pthread_asynch_rxtx, NULL);
}
}
if (get_nprocs() >= 2) {
if (ru->feprx) {
pthread_mutex_lock(&proc->mutex_fep);
proc->instance_cnt_fep = 0;
pthread_mutex_unlock(&proc->mutex_fep);
pthread_cond_signal(&proc->cond_fep);
LOG_D(PHY, "Joining pthread_fep\n");
pthread_join(proc->pthread_fep, NULL);
pthread_mutex_destroy(&proc->mutex_fep);
pthread_cond_destroy(&proc->cond_fep);
}
if (ru->feptx_ofdm) {
pthread_mutex_lock(&proc->mutex_feptx);
proc->instance_cnt_feptx = 0;
pthread_mutex_unlock(&proc->mutex_feptx);
pthread_cond_signal(&proc->cond_feptx);
LOG_D(PHY, "Joining pthread_feptx\n");
pthread_join(proc->pthread_feptx, NULL);
pthread_mutex_destroy(&proc->mutex_feptx);
pthread_cond_destroy(&proc->cond_feptx);
}
}
if (opp_enabled) {
LOG_D(PHY, "Joining ru_stats_thread\n");
pthread_join(ru->ru_stats_thread, NULL);
}
pthread_mutex_destroy(&proc->mutex_prach);
pthread_mutex_destroy(&proc->mutex_asynch_rxtx);
pthread_mutex_destroy(&proc->mutex_synch);
pthread_mutex_destroy(&proc->mutex_FH);
pthread_mutex_destroy(&proc->mutex_gNBs);
pthread_cond_destroy(&proc->cond_prach);
pthread_cond_destroy(&proc->cond_FH);
pthread_cond_destroy(&proc->cond_asynch_rxtx);
pthread_cond_destroy(&proc->cond_synch);
pthread_cond_destroy(&proc->cond_gNBs);
pthread_attr_destroy(&proc->attr_FH);
pthread_attr_destroy(&proc->attr_prach);
pthread_attr_destroy(&proc->attr_synch);
pthread_attr_destroy(&proc->attr_asynch_rxtx);
pthread_attr_destroy(&proc->attr_fep);
}
int check_capabilities(RU_t *ru,RRU_capabilities_t *cap) {
FH_fmt_options_t fmt = cap->FH_fmt;
int i;
int found_band=0;
LOG_I(PHY,"RRU %d, num_bands %d, looking for band %d\n",ru->idx,cap->num_bands,ru->nr_frame_parms->eutra_band);
for (i=0;i<cap->num_bands;i++) {
LOG_I(PHY,"band %d on RRU %d\n",cap->band_list[i],ru->idx);
if (ru->nr_frame_parms->eutra_band == cap->band_list[i]) {
found_band=1;
break;
}
}
if (found_band == 0) {
LOG_I(PHY,"Couldn't find target EUTRA band %d on RRU %d\n",ru->nr_frame_parms->eutra_band,ru->idx);
return(-1);
}
switch (ru->if_south) {
case LOCAL_RF:
AssertFatal(1==0, "This RU should not have a local RF, exiting\n");
return(0);
break;
case REMOTE_IF5:
if (fmt == OAI_IF5_only || fmt == OAI_IF5_and_IF4p5) return(0);
break;
case REMOTE_IF4p5:
if (fmt == OAI_IF4p5_only || fmt == OAI_IF5_and_IF4p5) return(0);
break;
case REMOTE_MBP_IF5:
if (fmt == MBP_IF5) return(0);
break;
default:
LOG_I(PHY,"No compatible Fronthaul interface found for RRU %d\n", ru->idx);
return(-1);
}
return(-1);
}
char rru_format_options[4][20] = {"OAI_IF5_only","OAI_IF4p5_only","OAI_IF5_and_IF4p5","MBP_IF5"};
char rru_formats[3][20] = {"OAI_IF5","MBP_IF5","OAI_IF4p5"};
char ru_if_formats[4][20] = {"LOCAL_RF","REMOTE_OAI_IF5","REMOTE_MBP_IF5","REMOTE_OAI_IF4p5"};
void configure_ru(int idx,
void *arg) {
RU_t *ru = RC.ru[idx];
RRU_config_t *config = (RRU_config_t *)arg;
RRU_capabilities_t *capabilities = (RRU_capabilities_t*)arg;
nfapi_nr_config_request_t *gNB_config = &ru->gNB_list[0]->gNB_config;
int ret;
LOG_I(PHY, "Received capabilities from RRU %d\n",idx);
if (capabilities->FH_fmt < MAX_FH_FMTs) LOG_I(PHY, "RU FH options %s\n",rru_format_options[capabilities->FH_fmt]);
AssertFatal((ret=check_capabilities(ru,capabilities)) == 0,
"Cannot configure RRU %d, check_capabilities returned %d\n", idx,ret);
// take antenna capabilities of RRU
ru->nb_tx = capabilities->nb_tx[0];
ru->nb_rx = capabilities->nb_rx[0];
// Pass configuration to RRU
LOG_I(PHY, "Using %s fronthaul (%d), band %d \n",ru_if_formats[ru->if_south],ru->if_south,ru->nr_frame_parms->eutra_band);
// wait for configuration
config->FH_fmt = ru->if_south;
config->num_bands = 1;
config->band_list[0] = ru->nr_frame_parms->eutra_band;
config->tx_freq[0] = ru->nr_frame_parms->dl_CarrierFreq;
config->rx_freq[0] = ru->nr_frame_parms->ul_CarrierFreq;
//config->tdd_config[0] = ru->nr_frame_parms->tdd_config;
//config->tdd_config_S[0] = ru->nr_frame_parms->tdd_config_S;
config->att_tx[0] = ru->att_tx;
config->att_rx[0] = ru->att_rx;
config->N_RB_DL[0] = gNB_config->rf_config.dl_carrier_bandwidth.value;
config->N_RB_UL[0] = gNB_config->rf_config.ul_carrier_bandwidth.value;
config->threequarter_fs[0] = ru->nr_frame_parms->threequarter_fs;
/* if (ru->if_south==REMOTE_IF4p5) {
config->prach_FreqOffset[0] = ru->nr_frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset;
config->prach_ConfigIndex[0] = ru->nr_frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex;
LOG_I(PHY,"REMOTE_IF4p5: prach_FrequOffset %d, prach_ConfigIndex %d\n",
config->prach_FreqOffset[0],config->prach_ConfigIndex[0]);*/
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, ru->nr_frame_parms);
nr_phy_init_RU(ru);
}
void configure_rru(int idx,
void *arg) {
RRU_config_t *config = (RRU_config_t *)arg;
RU_t *ru = RC.ru[idx];
nfapi_nr_config_request_t *gNB_config = &ru->gNB_list[0]->gNB_config;
ru->nr_frame_parms->eutra_band = config->band_list[0];
ru->nr_frame_parms->dl_CarrierFreq = config->tx_freq[0];
ru->nr_frame_parms->ul_CarrierFreq = config->rx_freq[0];
if (ru->nr_frame_parms->dl_CarrierFreq == ru->nr_frame_parms->ul_CarrierFreq) {
gNB_config->subframe_config.duplex_mode.value = TDD;
//ru->nr_frame_parms->tdd_config = config->tdd_config[0];
//ru->nr_frame_parms->tdd_config_S = config->tdd_config_S[0];
}
else
gNB_config->subframe_config.duplex_mode.value = FDD;
ru->att_tx = config->att_tx[0];
ru->att_rx = config->att_rx[0];
gNB_config->rf_config.dl_carrier_bandwidth.value = config->N_RB_DL[0];
gNB_config->rf_config.ul_carrier_bandwidth.value = config->N_RB_UL[0];
ru->nr_frame_parms->threequarter_fs = config->threequarter_fs[0];
//ru->nr_frame_parms->pdsch_config_common.referenceSignalPower = ru->max_pdschReferenceSignalPower-config->att_tx[0];
if (ru->function==NGFI_RRU_IF4p5) {
ru->nr_frame_parms->att_rx = ru->att_rx;
ru->nr_frame_parms->att_tx = ru->att_tx;
/*
LOG_I(PHY,"Setting ru->function to NGFI_RRU_IF4p5, prach_FrequOffset %d, prach_ConfigIndex %d, att (%d,%d)\n",
config->prach_FreqOffset[0],config->prach_ConfigIndex[0],ru->att_tx,ru->att_rx);
ru->nr_frame_parms->prach_config_common.prach_ConfigInfo.prach_FreqOffset = config->prach_FreqOffset[0];
ru->nr_frame_parms->prach_config_common.prach_ConfigInfo.prach_ConfigIndex = config->prach_ConfigIndex[0]; */
}
fill_rf_config(ru,ru->rf_config_file);
nr_init_frame_parms(&ru->gNB_list[0]->gNB_config, ru->nr_frame_parms);
nr_phy_init_RU(ru);
}
/*
void init_precoding_weights(PHY_VARS_gNB *gNB) {
int layer,ru_id,aa,re,ue,tb;
LTE_DL_FRAME_PARMS *fp=&gNB->frame_parms;
RU_t *ru;
LTE_gNB_DLSCH_t *dlsch;
// init precoding weigths
for (ue=0;ue<NUMBER_OF_UE_MAX;ue++) {
for (tb=0;tb<2;tb++) {
dlsch = gNB->dlsch[ue][tb];
for (layer=0; layer<4; layer++) {
int nb_tx=0;
for (ru_id=0;ru_id<RC.nb_RU;ru_id++) {
ru = RC.ru[ru_id];
nb_tx+=ru->nb_tx;
}
dlsch->ue_spec_bf_weights[layer] = (int32_t**)malloc16(nb_tx*sizeof(int32_t*));
for (aa=0; aa<nb_tx; aa++) {
dlsch->ue_spec_bf_weights[layer][aa] = (int32_t *)malloc16(fp->ofdm_symbol_size*sizeof(int32_t));
for (re=0;re<fp->ofdm_symbol_size; re++) {
dlsch->ue_spec_bf_weights[layer][aa][re] = 0x00007fff;
}
}
}
}
}
}*/
void set_function_spec_param(RU_t *ru)
{
int ret;
switch (ru->if_south) {
case LOCAL_RF: // this is an RU with integrated RF (RRU, gNB)
if (ru->function == NGFI_RRU_IF5) { // IF5 RRU
ru->do_prach = 0; // no prach processing in RU
ru->fh_north_in = NULL; // no shynchronous incoming fronthaul from north
ru->fh_north_out = fh_if5_north_out; // need only to do send_IF5 reception
ru->fh_south_out = tx_rf; // send output to RF
ru->fh_north_asynch_in = fh_if5_north_asynch_in; // TX packets come asynchronously
ru->feprx = NULL; // nothing (this is a time-domain signal)
ru->feptx_ofdm = NULL; // nothing (this is a time-domain signal)
ru->feptx_prec = NULL; // nothing (this is a time-domain signal)
ru->start_if = start_if; // need to start the if interface for if5
ru->ifdevice.host_type = RRU_HOST;
ru->rfdevice.host_type = RRU_HOST;
ru->ifdevice.eth_params = &ru->eth_params;
reset_meas(&ru->rx_fhaul);
reset_meas(&ru->tx_fhaul);
reset_meas(&ru->compression);
reset_meas(&ru->transport);
ret = openair0_transport_load(&ru->ifdevice,&ru->openair0_cfg,&ru->eth_params);
printf("openair0_transport_init returns %d for ru_id %d\n", ret, ru->idx);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
}
else if (ru->function == NGFI_RRU_IF4p5) {
ru->do_prach = 1; // do part of prach processing in RU
ru->fh_north_in = NULL; // no synchronous incoming fronthaul from north
ru->fh_north_out = fh_if4p5_north_out; // send_IF4p5 on reception
ru->fh_south_out = tx_rf; // send output to RF
ru->fh_north_asynch_in = fh_if4p5_north_asynch_in; // TX packets come asynchronously
ru->feprx = (get_nprocs()<=2) ? fep_full :ru_fep_full_2thread; // RX DFTs
ru->feptx_ofdm = (get_nprocs()<=2) ? nr_feptx_ofdm : nr_feptx_ofdm_2thread; // this is fep with idft only (no precoding in RRU)
ru->feptx_prec = NULL;
ru->start_if = start_if; // need to start the if interface for if4p5
ru->ifdevice.host_type = RRU_HOST;
ru->rfdevice.host_type = RRU_HOST;
ru->ifdevice.eth_params = &ru->eth_params;
reset_meas(&ru->rx_fhaul);
reset_meas(&ru->tx_fhaul);
reset_meas(&ru->compression);
reset_meas(&ru->transport);
ret = openair0_transport_load(&ru->ifdevice,&ru->openair0_cfg,&ru->eth_params);
printf("openair0_transport_init returns %d for ru_id %d\n", ret, ru->idx);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(ru);
}
else if (ru->function == gNodeB_3GPP) {
ru->do_prach = 0; // no prach processing in RU
ru->feprx = (get_nprocs()<=2) ? fep_full : ru_fep_full_2thread; // RX DFTs
ru->feptx_ofdm = (get_nprocs()<=2) ? nr_feptx_ofdm : nr_feptx_ofdm_2thread; // this is fep with idft and precoding
ru->feptx_prec = feptx_prec; // this is fep with idft and precoding
ru->fh_north_in = NULL; // no incoming fronthaul from north
ru->fh_north_out = NULL; // no outgoing fronthaul to north
ru->start_if = NULL; // no if interface
ru->rfdevice.host_type = RAU_HOST;
}
ru->fh_south_in = rx_rf; // local synchronous RF RX
ru->fh_south_out = tx_rf; // local synchronous RF TX
ru->start_rf = start_rf; // need to start the local RF interface
ru->stop_rf = stop_rf;
printf("configuring ru_id %d (start_rf %p)\n", ru->idx, start_rf);
/*
if (ru->function == gNodeB_3GPP) { // configure RF parameters only for 3GPP eNodeB, we need to get them from RAU otherwise
fill_rf_config(ru,rf_config_file);
init_frame_parms(&ru->frame_parms,1);
nr_phy_init_RU(ru);
}
ret = openair0_device_load(&ru->rfdevice,&ru->openair0_cfg);
if (setup_RU_buffers(ru)!=0) {
printf("Exiting, cannot initialize RU Buffers\n");
exit(-1);
}*/
break;
case REMOTE_IF5: // the remote unit is IF5 RRU
ru->do_prach = 0;
ru->feprx = (get_nprocs()<=2) ? fep_full : fep_full; // this is frequency-shift + DFTs
ru->feptx_prec = feptx_prec; // need to do transmit Precoding + IDFTs
ru->feptx_ofdm = (get_nprocs()<=2) ? nr_feptx_ofdm : nr_feptx_ofdm_2thread; // need to do transmit Precoding + IDFTs
ru->fh_south_in = fh_if5_south_in; // synchronous IF5 reception
ru->fh_south_out = fh_if5_south_out; // synchronous IF5 transmission
ru->fh_south_asynch_in = NULL; // no asynchronous UL
ru->start_rf = NULL; // no local RF
ru->stop_rf = NULL;
ru->start_if = start_if; // need to start if interface for IF5
ru->ifdevice.host_type = RAU_HOST;
ru->ifdevice.eth_params = &ru->eth_params;
ru->ifdevice.configure_rru = configure_ru;
ret = openair0_transport_load(&ru->ifdevice,&ru->openair0_cfg,&ru->eth_params);
printf("openair0_transport_init returns %d for ru_id %d\n", ret, ru->idx);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
break;
case REMOTE_IF4p5:
ru->do_prach = 0;
ru->feprx = NULL; // DFTs
ru->feptx_prec = feptx_prec; // Precoding operation
ru->feptx_ofdm = NULL; // no OFDM mod
ru->fh_south_in = fh_if4p5_south_in; // synchronous IF4p5 reception
ru->fh_south_out = fh_if4p5_south_out; // synchronous IF4p5 transmission
ru->fh_south_asynch_in = (ru->if_timing == synch_to_other) ? fh_if4p5_south_in : NULL; // asynchronous UL if synch_to_other
ru->fh_north_out = NULL;
ru->fh_north_asynch_in = NULL;
ru->start_rf = NULL; // no local RF
ru->stop_rf = NULL;
ru->start_if = start_if; // need to start if interface for IF4p5
ru->ifdevice.host_type = RAU_HOST;
ru->ifdevice.eth_params = &ru->eth_params;
ru->ifdevice.configure_rru = configure_ru;
ret = openair0_transport_load(&ru->ifdevice, &ru->openair0_cfg, &ru->eth_params);
printf("openair0_transport_init returns %d for ru_id %d\n", ret, ru->idx);
if (ret<0) {
printf("Exiting, cannot initialize transport protocol\n");
exit(-1);
}
malloc_IF4p5_buffer(ru);
break;
default:
LOG_E(PHY,"RU with invalid or unknown southbound interface type %d\n",ru->if_south);
break;
} // switch on interface type
}
extern void RCconfig_RU(void);
void init_RU(char *rf_config_file) {
int ru_id;
RU_t *ru;
PHY_VARS_gNB *gNB0= (PHY_VARS_gNB *)NULL;
NR_DL_FRAME_PARMS *fp = (NR_DL_FRAME_PARMS *)NULL;
int i;
int CC_id;
// create status mask
RC.ru_mask = 0;
pthread_mutex_init(&RC.ru_mutex,NULL);
pthread_cond_init(&RC.ru_cond,NULL);
// read in configuration file)
printf("configuring RU from file\n");
RCconfig_RU();
LOG_I(PHY,"number of L1 instances %d, number of RU %d, number of CPU cores %d\n",RC.nb_nr_L1_inst,RC.nb_RU,get_nprocs());
if (RC.nb_nr_CC != 0)
for (i=0;i<RC.nb_nr_L1_inst;i++)
for (CC_id=0;CC_id<RC.nb_nr_CC[i];CC_id++) RC.gNB[i][CC_id]->num_RU=0;
LOG_D(PHY,"Process RUs RC.nb_RU:%d\n",RC.nb_RU);
for (ru_id=0;ru_id<RC.nb_RU;ru_id++) {
LOG_D(PHY,"Process RC.ru[%d]\n",ru_id);
ru = RC.ru[ru_id];
ru->rf_config_file = rf_config_file;
ru->idx = ru_id;
ru->ts_offset = 0;
// use gNB_list[0] as a reference for RU frame parameters
// NOTE: multiple CC_id are not handled here yet!
if (ru->num_gNB > 0) {
LOG_D(PHY, "%s() RC.ru[%d].num_gNB:%d ru->gNB_list[0]:%p RC.gNB[0][0]:%p rf_config_file:%s\n", __FUNCTION__, ru_id, ru->num_gNB, ru->gNB_list[0], RC.gNB[0][0], ru->rf_config_file);
if (ru->gNB_list[0] == 0)
{
LOG_E(PHY,"%s() DJP - ru->gNB_list ru->num_gNB are not initialized - so do it manually\n", __FUNCTION__);
ru->gNB_list[0] = RC.gNB[0][0];
ru->num_gNB=1;
//
// DJP - feptx_prec() / feptx_ofdm() parses the gNB_list (based on num_gNB) and copies the txdata_F to txdata in RU
//
}
else
{
LOG_E(PHY,"DJP - delete code above this %s:%d\n", __FILE__, __LINE__);
}
}
gNB0 = ru->gNB_list[0];
fp = ru->nr_frame_parms;
LOG_D(PHY, "RU FUnction:%d ru->if_south:%d\n", ru->function, ru->if_south);
if (gNB0)
{
if ((ru->function != NGFI_RRU_IF5) && (ru->function != NGFI_RRU_IF4p5))
AssertFatal(gNB0!=NULL,"gNB0 is null!\n");
if (gNB0) {
LOG_I(PHY,"Copying frame parms from gNB %d to ru %d\n",gNB0->Mod_id,ru->idx);
memcpy((void*)fp,(void*)&gNB0->frame_parms,sizeof(NR_DL_FRAME_PARMS));
memset((void*)ru->frame_parms, 0, sizeof(LTE_DL_FRAME_PARMS));
// attach all RU to all gNBs in its list/
LOG_D(PHY,"ru->num_gNB:%d gNB0->num_RU:%d\n", ru->num_gNB, gNB0->num_RU);
for (i=0;i<ru->num_gNB;i++) {
gNB0 = ru->gNB_list[i];
gNB0->RU_list[gNB0->num_RU++] = ru;
}
}
}
// LOG_I(PHY,"Initializing RRU descriptor %d : (%s,%s,%d)\n",ru_id,ru_if_types[ru->if_south],gNB_timing[ru->if_timing],ru->function);
set_function_spec_param(ru);
LOG_I(PHY,"Starting ru_thread %d\n",ru_id);
init_RU_proc(ru);
} // for ru_id
// sleep(1);
LOG_D(HW,"[nr-softmodem.c] RU threads created\n");
}
void stop_RU(int nb_ru)
{
for (int inst = 0; inst < nb_ru; inst++) {
LOG_I(PHY, "Stopping RU %d processing threads\n", inst);
kill_RU_proc(inst);
}
}
/* --------------------------------------------------------*/
/* from here function to use configuration module */
void RCconfig_RU(void) {
int j = 0;
int i = 0;
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);
if ( RUParamList.numelt > 0) {
RC.ru = (RU_t**)malloc(RC.nb_RU*sizeof(RU_t*));
RC.ru_mask=(1<<NB_RU) - 1;
printf("Set RU mask to %lx\n",RC.ru_mask);
for (j = 0; j < RC.nb_RU; j++) {
RC.ru[j] = (RU_t*)malloc(sizeof(RU_t));
memset((void*)RC.ru[j],0,sizeof(RU_t));
RC.ru[j]->idx = j;
RC.ru[j]->nr_frame_parms = (NR_DL_FRAME_PARMS*)malloc(sizeof(NR_DL_FRAME_PARMS));
RC.ru[j]->frame_parms = (LTE_DL_FRAME_PARMS*)malloc(sizeof(LTE_DL_FRAME_PARMS));
printf("Creating RC.ru[%d]:%p\n", j, RC.ru[j]);
RC.ru[j]->if_timing = synch_to_ext_device;
if (RC.nb_nr_L1_inst >0)
RC.ru[j]->num_gNB = RUParamList.paramarray[j][RU_ENB_LIST_IDX].numelt;
else
RC.ru[j]->num_gNB = 0;
for (i=0;i<RC.ru[j]->num_gNB;i++) RC.ru[j]->gNB_list[i] = RC.gNB[RUParamList.paramarray[j][RU_ENB_LIST_IDX].iptr[i]][0];
if (config_isparamset(RUParamList.paramarray[j], RU_SDR_ADDRS)) {
RC.ru[j]->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) {
RC.ru[j]->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) {
RC.ru[j]->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) {
RC.ru[j]->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));
}
}
if (strcmp(*(RUParamList.paramarray[j][RU_LOCAL_RF_IDX].strptr), "yes") == 0) {
if ( !(config_isparamset(RUParamList.paramarray[j],RU_LOCAL_IF_NAME_IDX)) ) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = gNodeB_3GPP;
printf("Setting function for RU %d to gNodeB_3GPP\n",j);
}
else {
RC.ru[j]->eth_params.local_if_name = strdup(*(RUParamList.paramarray[j][RU_LOCAL_IF_NAME_IDX].strptr));
RC.ru[j]->eth_params.my_addr = strdup(*(RUParamList.paramarray[j][RU_LOCAL_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.remote_addr = strdup(*(RUParamList.paramarray[j][RU_REMOTE_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
RC.ru[j]->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
RC.ru[j]->eth_params.my_portd = *(RUParamList.paramarray[j][RU_LOCAL_PORTD_IDX].uptr);
RC.ru[j]->eth_params.remote_portd = *(RUParamList.paramarray[j][RU_REMOTE_PORTD_IDX].uptr);
if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp") == 0) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF5;
RC.ru[j]->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) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF5;
RC.ru[j]->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) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF4p5;
RC.ru[j]->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) {
RC.ru[j]->if_south = LOCAL_RF;
RC.ru[j]->function = NGFI_RRU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
printf("Setting function for RU %d to NGFI_RRU_IF4p5 (raw)\n",j);
}
}
RC.ru[j]->max_pdschReferenceSignalPower = *(RUParamList.paramarray[j][RU_MAX_RS_EPRE_IDX].uptr);;
RC.ru[j]->max_rxgain = *(RUParamList.paramarray[j][RU_MAX_RXGAIN_IDX].uptr);
RC.ru[j]->num_bands = RUParamList.paramarray[j][RU_BAND_LIST_IDX].numelt;
for (i=0;i<RC.ru[j]->num_bands;i++) RC.ru[j]->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));
RC.ru[j]->eth_params.local_if_name = strdup(*(RUParamList.paramarray[j][RU_LOCAL_IF_NAME_IDX].strptr));
RC.ru[j]->eth_params.my_addr = strdup(*(RUParamList.paramarray[j][RU_LOCAL_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.remote_addr = strdup(*(RUParamList.paramarray[j][RU_REMOTE_ADDRESS_IDX].strptr));
RC.ru[j]->eth_params.my_portc = *(RUParamList.paramarray[j][RU_LOCAL_PORTC_IDX].uptr);
RC.ru[j]->eth_params.remote_portc = *(RUParamList.paramarray[j][RU_REMOTE_PORTC_IDX].uptr);
RC.ru[j]->eth_params.my_portd = *(RUParamList.paramarray[j][RU_LOCAL_PORTD_IDX].uptr);
RC.ru[j]->eth_params.remote_portd = *(RUParamList.paramarray[j][RU_REMOTE_PORTD_IDX].uptr);
if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp") == 0) {
RC.ru[j]->if_south = REMOTE_IF5;
RC.ru[j]->function = NGFI_RAU_IF5;
RC.ru[j]->eth_params.transp_preference = ETH_UDP_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw") == 0) {
RC.ru[j]->if_south = REMOTE_IF5;
RC.ru[j]->function = NGFI_RAU_IF5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "udp_if4p5") == 0) {
RC.ru[j]->if_south = REMOTE_IF4p5;
RC.ru[j]->function = NGFI_RAU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_UDP_IF4p5_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if4p5") == 0) {
RC.ru[j]->if_south = REMOTE_IF4p5;
RC.ru[j]->function = NGFI_RAU_IF4p5;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF4p5_MODE;
} else if (strcmp(*(RUParamList.paramarray[j][RU_TRANSPORT_PREFERENCE_IDX].strptr), "raw_if5_mobipass") == 0) {
RC.ru[j]->if_south = REMOTE_IF5;
RC.ru[j]->function = NGFI_RAU_IF5;
RC.ru[j]->if_timing = synch_to_other;
RC.ru[j]->eth_params.transp_preference = ETH_RAW_IF5_MOBIPASS;
}
} /* strcmp(local_rf, "yes") != 0 */
RC.ru[j]->nb_tx = *(RUParamList.paramarray[j][RU_NB_TX_IDX].uptr);
RC.ru[j]->nb_rx = *(RUParamList.paramarray[j][RU_NB_RX_IDX].uptr);
RC.ru[j]->att_tx = *(RUParamList.paramarray[j][RU_ATT_TX_IDX].uptr);
RC.ru[j]->att_rx = *(RUParamList.paramarray[j][RU_ATT_RX_IDX].uptr);
}// j=0..num_rus
} else {
RC.nb_RU = 0;
} // setting != NULL
return;
}
targets/RT/USER/nr-softmodem.c deleted 100644 → 0
View file @ 8c16f16c
/*
* 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"
#include "rt_wrapper.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"
#include "common/ran_context.h"
#include "PHY/defs_gNB.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 "LAYER2/MAC/mac.h"
#include "LAYER2/MAC/mac_proto.h"
#include "RRC/LTE/rrc_vars.h"
#include "PHY_INTERFACE/phy_interface_vars.h"
#include "gnb_config.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
#if defined(ENABLE_ITTI)
#include "intertask_interface.h"
#include "create_nr_tasks.h"
#endif
#include "PHY/INIT/phy_init.h"
#include "system.h"
#ifdef XFORMS
#include "PHY/TOOLS/lte_phy_scope.h"
#include "stats.h"
#endif
#include "nr-softmodem.h"
#include "NB_IoT_interface.h"
#ifdef XFORMS
// current status is that every UE has a DL scope for a SINGLE eNB (gnb_id=0)
// at eNB 0, an UL scope for every UE
FD_lte_phy_scope_ue *form_ue[NUMBER_OF_UE_MAX];
FD_lte_phy_scope_enb *form_enb[MAX_NUM_CCs][NUMBER_OF_UE_MAX];
FD_stats_form *form_stats=NULL,*form_stats_l2=NULL;
char title[255];
unsigned char scope_enb_num_ue = 2;
static pthread_t forms_thread; //xforms
#endif //XFORMS
short nr_mod_table[NR_MOD_TABLE_SIZE_SHORT] = {0,0,16384,16384,-16384,-16384,16384,16384,16384,-16384,-16384,16384,-16384,-16384,7327,7327,7327,21981,21981,7327,21981,21981,7327,-7327,7327,-21981,21981,-7327,21981,-21981,-7327,7327,-7327,21981,-21981,7327,-21981,21981,-7327,-7327,-7327,-21981,-21981,-7327,-21981,-21981,10726,10726,10726,3576,3576,10726,3576,3576,10726,17876,10726,25027,3576,17876,3576,25027,17876,10726,17876,3576,25027,10726,25027,3576,17876,17876,17876,25027,25027,17876,25027,25027,10726,-10726,10726,-3576,3576,-10726,3576,-3576,10726,-17876,10726,-25027,3576,-17876,3576,-25027,17876,-10726,17876,-3576,25027,-10726,25027,-3576,17876,-17876,17876,-25027,25027,-17876,25027,-25027,-10726,10726,-10726,3576,-3576,10726,-3576,3576,-10726,17876,-10726,25027,-3576,17876,-3576,25027,-17876,10726,-17876,3576,-25027,10726,-25027,3576,-17876,17876,-17876,25027,-25027,17876,-25027,25027,-10726,-10726,-10726,-3576,-3576,-10726,-3576,-3576,-10726,-17876,-10726,-25027,-3576,-17876,-3576,-25027,-17876,-10726,-17876,-3576,-25027,-10726,-25027,-3576,-17876,-17876,-17876,-25027,-25027,-17876,-25027,-25027,8886,8886,8886,12439,12439,8886,12439,12439,8886,5332,8886,1778,12439,5332,12439,1778,5332,8886,5332,12439,1778,8886,1778,12439,5332,5332,5332,1778,1778,5332,1778,1778,8886,19547,8886,15993,12439,19547,12439,15993,8886,23101,8886,26655,12439,23101,12439,26655,5332,19547,5332,15993,1778,19547,1778,15993,5332,23101,5332,26655,1778,23101,1778,26655,19547,8886,19547,12439,15993,8886,15993,12439,19547,5332,19547,1778,15993,5332,15993,1778,23101,8886,23101,12439,26655,8886,26655,12439,23101,5332,23101,1778,26655,5332,26655,1778,19547,19547,19547,15993,15993,19547,15993,15993,19547,23101,19547,26655,15993,23101,15993,26655,23101,19547,23101,15993,26655,19547,26655,15993,23101,23101,23101,26655,26655,23101,26655,26655,8886,-8886,8886,-12439,12439,-8886,12439,-12439,8886,-5332,8886,-1778,12439,-5332,12439,-1778,5332,-8886,5332,-12439,1778,-8886,1778,-12439,5332,-5332,5332,-1778,1778,-5332,1778,-1778,8886,-19547,8886,-15993,12439,-19547,12439,-15993,8886,-23101,8886,-26655,12439,-23101,12439,-26655,5332,-19547,5332,-15993,1778,-19547,1778,-15993,5332,-23101,5332,-26655,1778,-23101,1778,-26655,19547,-8886,19547,-12439,15993,-8886,15993,-12439,19547,-5332,19547,-1778,15993,-5332,15993,-1778,23101,-8886,23101,-12439,26655,-8886,26655,-12439,23101,-5332,23101,-1778,26655,-5332,26655,-1778,19547,-19547,19547,-15993,15993,-19547,15993,-15993,19547,-23101,19547,-26655,15993,-23101,15993,-26655,23101,-19547,23101,-15993,26655,-19547,26655,-15993,23101,-23101,23101,-26655,26655,-23101,26655,-26655,-8886,8886,-8886,12439,-12439,8886,-12439,12439,-8886,5332,-8886,1778,-12439,5332,-12439,1778,-5332,8886,-5332,12439,-1778,8886,-1778,12439,-5332,5332,-5332,1778,-1778,5332,-1778,1778,-8886,19547,-8886,15993,-12439,19547,-12439,15993,-8886,23101,-8886,26655,-12439,23101,-12439,26655,-5332,19547,-5332,15993,-1778,19547,-1778,15993,-5332,23101,-5332,26655,-1778,23101,-1778,26655,-19547,8886,-19547,12439,-15993,8886,-15993,12439,-19547,5332,-19547,1778,-15993,5332,-15993,1778,-23101,8886,-23101,12439,-26655,8886,-26655,12439,-23101,5332,-23101,1778,-26655,5332,-26655,1778,-19547,19547,-19547,15993,-15993,19547,-15993,15993,-19547,23101,-19547,26655,-15993,23101,-15993,26655,-23101,19547,-23101,15993,-26655,19547,-26655,15993,-23101,23101,-23101,26655,-26655,23101,-26655,26655,-8886,-8886,-8886,-12439,-12439,-8886,-12439,-12439,-8886,-5332,-8886,-1778,-12439,-5332,-12439,-1778,-5332,-8886,-5332,-12439,-1778,-8886,-1778,-12439,-5332,-5332,-5332,-1778,-1778,-5332,-1778,-1778,-8886,-19547,-8886,-15993,-12439,-19547,-12439,-15993,-8886,-23101,-8886,-26655,-12439,-23101,-12439,-26655,-5332,-19547,-5332,-15993,-1778,-19547,-1778,-15993,-5332,-23101,-5332,-26655,-1778,-23101,-1778,-26655,-19547,-8886,-19547,-12439,-15993,-8886,-15993,-12439,-19547,-5332,-19547,-1778,-15993,-5332,-15993,-1778,-23101,-8886,-23101,-12439,-26655,-8886,-26655,-12439,-23101,-5332,-23101,-1778,-26655,-5332,-26655,-1778,-19547,-19547,-19547,-15993,-15993,-19547,-15993,-15993,-19547,-23101,-19547,-26655,-15993,-23101,-15993,-26655,-23101,-19547,-23101,-15993,-26655,-19547,-26655,-15993,-23101,-23101,-23101,-26655,-26655,-23101,-26655,-26655};
pthread_cond_t nfapi_sync_cond;
pthread_mutex_t nfapi_sync_mutex;
int nfapi_sync_var=-1; //!< protected by mutex \ref nfapi_sync_mutex
uint8_t nfapi_mode = 0; // 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;
uint16_t runtime_phy_rx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
uint16_t runtime_phy_tx[29][6]; // SISO [MCS 0-28][RBs 0-5 : 6, 15, 25, 50, 75, 100]
#if defined(ENABLE_ITTI)
volatile int start_gNB = 0;
#endif
volatile int oai_exit = 0;
static clock_source_t clock_source = internal;
static int wait_for_sync = 0;
unsigned int mmapped_dma=0;
int single_thread_flag=1;
static int8_t threequarter_fs=0;
uint32_t downlink_frequency[MAX_NUM_CCs][4];
int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
//Temp fix for inexisting NR upper layer
unsigned char NB_gNB_INST = 1;
#if defined(ENABLE_ITTI)
static char *itti_dump_file = NULL;
#endif
int UE_scan = 1;
int UE_scan_carrier = 0;
runmode_t mode = normal_txrx;
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}*/;
char rf_config_file[1024]="/usr/local/etc/syriq/ue.band7.tm1.PRB100.NR40.dat";
int chain_offset=0;
int phy_test = 0;
uint8_t usim_test = 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;
#ifdef XFORMS
extern int otg_enabled;
static char do_forms=0;
#else
int otg_enabled;
#endif
//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;
uint8_t exit_missed_slots=1;
uint64_t num_missed_slots=0; // counter for the number of missed slots
extern void reset_opp_meas(void);
extern void print_opp_meas(void);
extern void init_eNB_afterRU(void);
int transmission_mode=1;
int emulate_rf = 0;
int numerology = 0;
char *parallel_config = NULL;
char *worker_config = NULL;
static THREAD_STRUCT thread_struct;
void set_parallel_conf(char *parallel_conf)
{
if(strcmp(parallel_conf,"PARALLEL_SINGLE_THREAD")==0) thread_struct.parallel_conf = PARALLEL_SINGLE_THREAD;
else if(strcmp(parallel_conf,"PARALLEL_RU_L1_SPLIT")==0) thread_struct.parallel_conf = PARALLEL_RU_L1_SPLIT;
else if(strcmp(parallel_conf,"PARALLEL_RU_L1_TRX_SPLIT")==0) thread_struct.parallel_conf = PARALLEL_RU_L1_TRX_SPLIT;
printf("[CONFIG] parallel conf is set to %d\n",thread_struct.parallel_conf);
}
void set_worker_conf(char *worker_conf)
{
if(strcmp(worker_conf,"WORKER_DISABLE")==0) thread_struct.worker_conf = WORKER_DISABLE;
else if(strcmp(worker_conf,"WORKER_ENABLE")==0) thread_struct.worker_conf = WORKER_ENABLE;
printf("[CONFIG] worker conf is set to %d\n",thread_struct.worker_conf);
}
PARALLEL_CONF_t get_thread_parallel_conf(void)
{
return thread_struct.parallel_conf;
}
WORKER_CONF_t get_thread_worker_conf(void)
{
return thread_struct.worker_conf;
}
/* 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_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));
}
#if !defined(ENABLE_ITTI)
void signal_handler(int sig) {
void *array[10];
size_t size;
if (sig==SIGSEGV) {
// get void*'s for all entries on the stack
size = backtrace(array, 10);
// print out all the frames to stderr
fprintf(stderr, "Error: signal %d:\n", sig);
backtrace_symbols_fd(array, size, 2);
exit(-1);
} else {
printf("trying to exit gracefully...\n");
oai_exit = 1;
}
}
#endif
#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
#define KGRN "\x1B[32m"
#define KBLU "\x1B[34m"
#define RESET "\033[0m"
#if defined(ENABLE_ITTI)
void signal_handler_itti(int sig) {
// Call exit function
char msg[256];
memset(msg, 0, 256);
sprintf(msg, "caught signal %s\n", strsignal(sig));
exit_function(__FILE__, __FUNCTION__, __LINE__, msg);
}
#endif
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
#if defined(ENABLE_ITTI)
itti_terminate_tasks (TASK_UNKNOWN);
#endif
exit(1);
}
#ifdef XFORMS
void reset_stats(FL_OBJECT *button, long arg)
{
int i,j,k;
PHY_VARS_gNB *phy_vars_gNB = RC.gNB[0][0];
for (i=0; i<NUMBER_OF_UE_MAX; i++) {
for (k=0; k<8; k++) { //harq_processes
/* for (j=0; j<phy_vars_gNB->dlsch[i][0]->Mlimit; j++) {
phy_vars_gNB->UE_stats[i].dlsch_NAK[k][j]=0;
phy_vars_gNB->UE_stats[i].dlsch_ACK[k][j]=0;
phy_vars_gNB->UE_stats[i].dlsch_trials[k][j]=0;
}
phy_vars_gNB->UE_stats[i].dlsch_l2_errors[k]=0;
phy_vars_gNB->UE_stats[i].ulsch_errors[k]=0;
phy_vars_gNB->UE_stats[i].ulsch_consecutive_errors=0;
phy_vars_gNB->UE_stats[i].dlsch_sliding_cnt=0;
phy_vars_gNB->UE_stats[i].dlsch_NAK_round0=0;
phy_vars_gNB->UE_stats[i].dlsch_mcs_offset=0;
*/
}
}
}
static void *scope_thread(void *arg) {
# ifdef ENABLE_XFORMS_WRITE_STATS
FILE *gNB_stats;
# endif
struct sched_param sched_param;
int UE_id, CC_id;
int ue_cnt=0;
sched_param.sched_priority = sched_get_priority_min(SCHED_FIFO)+1;
sched_setscheduler(0, SCHED_FIFO,&sched_param);
printf("Scope thread has priority %d\n",sched_param.sched_priority);
# ifdef ENABLE_XFORMS_WRITE_STATS
gNB_stats = fopen("gNB_stats.txt", "w");
#endif
while (!oai_exit) {
ue_cnt=0;
for(UE_id=0; UE_id<NUMBER_OF_UE_MAX; UE_id++) {
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
if ((ue_cnt<scope_enb_num_ue)) {
/*
//this function needs to be written
phy_scope_gNB(form_enb[CC_id][ue_cnt],
RC.gNB[0][CC_id],
UE_id);
*/
ue_cnt++;
}
}
}
sleep(1);
}
// printf("%s",stats_buffer);
# ifdef ENABLE_XFORMS_WRITE_STATS
if (eNB_stats) {
rewind (gNB_stats);
fwrite (stats_buffer, 1, len, gNB_stats);
fclose (gNB_stats);
}
# endif
pthread_exit((void*)arg);
}
#endif
#if defined(ENABLE_ITTI)
void *l2l1_task(void *arg) {
MessageDef *message_p = NULL;
int result;
itti_set_task_real_time(TASK_L2L1);
itti_mark_task_ready(TASK_L2L1);
/* Wait for the initialize message */
printf("Wait for the ITTI initialize message\n");
do {
if (message_p != NULL) {
result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
}
itti_receive_msg (TASK_L2L1, &message_p);
switch (ITTI_MSG_ID(message_p)) {
case INITIALIZE_MESSAGE:
/* Start eNB thread */
LOG_D(EMU, "L2L1 TASK received %s\n", ITTI_MSG_NAME(message_p));
start_gNB = 1;
break;
case TERMINATE_MESSAGE:
printf("received terminate message\n");
oai_exit=1;
start_gNB = 0;
itti_exit_task ();
break;
default:
LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
break;
}
} while (ITTI_MSG_ID(message_p) != INITIALIZE_MESSAGE);
result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
/* ???? no else but seems to be UE only ???
do {
// Wait for a message
itti_receive_msg (TASK_L2L1, &message_p);
switch (ITTI_MSG_ID(message_p)) {
case TERMINATE_MESSAGE:
oai_exit=1;
itti_exit_task ();
break;
case ACTIVATE_MESSAGE:
start_UE = 1;
break;
case DEACTIVATE_MESSAGE:
start_UE = 0;
break;
case MESSAGE_TEST:
LOG_I(EMU, "Received %s\n", ITTI_MSG_NAME(message_p));
break;
default:
LOG_E(EMU, "Received unexpected message %s\n", ITTI_MSG_NAME(message_p));
break;
}
result = itti_free (ITTI_MSG_ORIGIN_ID(message_p), message_p);
AssertFatal (result == EXIT_SUCCESS, "Failed to free memory (%d)!\n", result);
} while(!oai_exit);
*/
return NULL;
}
#endif
static void get_options(void) {
int tddflag, nonbiotflag;
uint32_t online_log_messages;
uint32_t glog_level, glog_verbosity;
uint32_t start_telnetsrv;
paramdef_t cmdline_params[] =CMDLINE_PARAMS_DESC ;
paramdef_t cmdline_logparams[] =CMDLINE_LOGPARAMS_DESC ;
config_process_cmdline( cmdline_params,sizeof(cmdline_params)/sizeof(paramdef_t),NULL);
if (strlen(in_path) > 0) {
opt_type = OPT_PCAP;
opt_enabled=1;
printf("Enabling OPT for PCAP with the following file %s \n",in_path);
}
if (strlen(in_ip) > 0) {
opt_enabled=1;
opt_type = OPT_WIRESHARK;
printf("Enabling OPT for wireshark for local interface");
}
config_process_cmdline( cmdline_logparams,sizeof(cmdline_logparams)/sizeof(paramdef_t),NULL);
if(config_isparamset(cmdline_logparams,CMDLINE_ONLINELOG_IDX)) {
set_glog_onlinelog(online_log_messages);
}
if(config_isparamset(cmdline_logparams,CMDLINE_GLOGLEVEL_IDX)) {
set_glog(glog_level);
}
if (start_telnetsrv) {
load_module_shlib("telnetsrv",NULL,0,NULL);
}
#if T_TRACER
paramdef_t cmdline_ttraceparams[] =CMDLINE_TTRACEPARAMS_DESC ;
config_process_cmdline( cmdline_ttraceparams,sizeof(cmdline_ttraceparams)/sizeof(paramdef_t),NULL);
#endif
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 %d\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);
}
#if T_TRACER
int T_nowait = 0; /* by default we wait for the tracer */
int T_port = 2021; /* default port to listen to to wait for the tracer */
int T_dont_fork = 0; /* default is to fork, see 'T_init' to understand */
#endif
void set_default_frame_parms(nfapi_nr_config_request_t *config[MAX_NUM_CCs], NR_DL_FRAME_PARMS *frame_parms[MAX_NUM_CCs]) {
int CC_id;
for (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_t*) malloc(sizeof(nfapi_nr_config_request_t));
config[CC_id]->subframe_config.numerology_index_mu.value =1;
config[CC_id]->subframe_config.duplex_mode.value = 1; //FDD
config[CC_id]->subframe_config.dl_cyclic_prefix_type.value = 0; //NORMAL
config[CC_id]->rf_config.dl_carrier_bandwidth.value = 106;
config[CC_id]->rf_config.ul_carrier_bandwidth.value = 106;
config[CC_id]->sch_config.physical_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_eNB = 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][0]->gNB_config.rf_config.tx_antenna_ports.value,
RC.gNB[0][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][0]->gNB_config.rf_config.tx_antenna_ports.value );
openair0_cfg[card].rx_num_channels=min(2,RC.gNB[0][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][0]->rx_total_gain_dB;
openair0_cfg[card].configFilename = 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,j;
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++) {
printf("RC.nb_nr_L1_CC[%d]:%d\n", i, RC.nb_nr_L1_CC[i]);
for (j=0;j<RC.nb_nr_L1_CC[i];j++) {
if (RC.gNB[i][j]->configured==0) {
waiting=1;
break;
}
}
}
}
printf("gNB L1 are configured\n");
}
#if defined(ENABLE_ITTI)
/*
* helper function to terminate a certain ITTI task
*/
void terminate_task(task_id_t task_id, module_id_t mod_id)
{
LOG_I(ENB_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, 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(ENB_APP, "stopping nr-softmodem\n");
oai_exit = 1;
if (!RC.ru) {
LOG_F(ENB_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(ENB_APP, "turned off RU rfdevice\n");
} else {
LOG_W(ENB_APP, "can not turn off rfdevice due to missing trx_stop_func callback, proceding 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(ENB_APP, "turned off RU ifdevice\n");
} else {
LOG_W(ENB_APP, "can not turn off ifdevice due to missing trx_stop_func callback, proceding anyway!\n");
}
} else {
LOG_W(ENB_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);
terminate_task(TASK_L2L1, gnb_id);
LOG_I(ENB_APP, "calling kill_gNB_proc() for instance %d\n", gnb_id);
kill_gNB_proc(gnb_id);
LOG_I(ENB_APP, "calling kill_RU_proc() for instance %d\n", gnb_id);
kill_RU_proc(gnb_id);
oai_exit = 0;
for (int cc_id = 0; cc_id < RC.nb_nr_CC[gnb_id]; cc_id++) {
//free_transport(RC.gNB[gnb_id][cc_id]);
phy_free_nr_gNB(RC.gNB[gnb_id][cc_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];
int cc_id;
MessageDef *msg_p = NULL;
LOG_W(ENB_APP, "restarting nr-softmodem\n");
/* block threads */
sync_var = -1;
for (cc_id = 0; cc_id < RC.nb_nr_L1_CC[gnb_id]; cc_id++) {
RC.gNB[gnb_id][cc_id]->configured = 0;
}
RC.ru_mask |= (1 << ru->idx);
/* copy the changed frame parameters to the RU */
/* TODO this should be done for all RUs associated to this gNB */
memcpy(&ru->nr_frame_parms, &RC.gNB[gnb_id][0]->frame_parms, sizeof(NR_DL_FRAME_PARMS));
set_function_spec_param(RC.ru[gnb_id]);
LOG_I(ENB_APP, "attempting to create ITTI tasks\n");
if (itti_create_task (TASK_RRC_ENB, rrc_enb_task, NULL) < 0) {
LOG_E(RRC, "Create task for RRC eNB failed\n");
return -1;
} else {
LOG_I(RRC, "Re-created task for RRC gNB successfully\n");
}
if (itti_create_task (TASK_L2L1, l2l1_task, NULL) < 0) {
LOG_E(PDCP, "Create task for L2L1 failed\n");
return -1;
} else {
LOG_I(PDCP, "Re-created task for L2L1 successfully\n");
}
/* 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, 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;
}
#endif
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);
}
int main( int argc, char **argv )
{
int i;
#if defined (XFORMS)
//void *status;
#endif
int CC_id;
int ru_id;
#if defined (XFORMS)
int ret;
#endif
start_background_system();
///static configuration for NR at the moment
if ( load_configmodule(argc,argv) == NULL) {
exit_fun("[SOFTMODEM] Error, configuration module init failed\n");
}
#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);
set_latency_target();
logInit();
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;
#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();
#if defined(ENABLE_ITTI)
printf("ITTI init\n");
itti_init(TASK_MAX, THREAD_MAX, MESSAGES_ID_MAX, tasks_info, messages_info);
// initialize mscgen log after ITTI
MSC_INIT(MSC_E_UTRAN, THREAD_MAX+TASK_MAX);
#endif
if (opt_type != OPT_NONE) {
if (init_opt(in_path, in_ip) == -1)
LOG_E(OPT,"failed to run OPT \n");
}
#ifdef PDCP_USE_NETLINK
printf("PDCP netlink\n");
netlink_init();
#if defined(PDCP_USE_NETLINK_QUEUES)
pdcp_netlink_init();
#endif
#endif
#if !defined(ENABLE_ITTI)
// to make a graceful exit when ctrl-c is pressed
signal(SIGSEGV, signal_handler);
signal(SIGINT, signal_handler);
#endif
check_clock();
#ifndef PACKAGE_VERSION
# define PACKAGE_VERSION "UNKNOWN-EXPERIMENTAL"
#endif
LOG_I(HW, "Version: %s\n", PACKAGE_VERSION);
printf("Before CC \n");
printf("Runtime table\n");
fill_modeled_runtime_table(runtime_phy_rx,runtime_phy_tx);
#ifndef DEADLINE_SCHEDULER
printf("NO deadline scheduler\n");
/* Currently we set affinity for UHD to CPU 0 for eNB/UE and only if number of CPUS >2 */
cpu_set_t cpuset;
int s;
char cpu_affinity[1024];
CPU_ZERO(&cpuset);
#ifdef CPU_AFFINITY
int j;
if (get_nprocs() > 2) {
// CPU_SET(1, &cpuset);
for (j = 2; j < get_nprocs(); j++)
{
CPU_SET(j, &cpuset);
}
s = pthread_setaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_setaffinity_np");
exit_fun("Error setting processor affinity");
}
LOG_I(HW, "Setting the affinity of main function to all CPUs, for device library to use CPU 0 only!\n");
}
#endif
/* Check the actual affinity mask assigned to the thread */
s = pthread_getaffinity_np(pthread_self(), sizeof(cpu_set_t), &cpuset);
if (s != 0) {
perror( "pthread_getaffinity_np");
exit_fun("Error getting processor affinity ");
}
memset(cpu_affinity, 0 , sizeof(cpu_affinity));
for (int j = 0; j < CPU_SETSIZE; j++) {
if (CPU_ISSET(j, &cpuset)) {
char temp[1024];
sprintf(temp, " CPU_%d ", j);
strcat(cpu_affinity, temp);
}
}
LOG_I(HW, "CPU Affinity of main() function is... %s\n", cpu_affinity);
#endif
#if defined(ENABLE_ITTI)
if (RC.nb_nr_inst > 0) {
// don't create if node doesn't connect to RRC/S1/GTP
if (create_gNB_tasks(1) < 0) {
printf("cannot create ITTI tasks\n");
exit(-1); // need a softer mode
}
printf("ITTI tasks created\n");
}
else {
printf("No ITTI, Initializing L1\n");
RCconfig_L1();
}
#endif
/* 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);
#ifdef XFORMS
int UE_id;
printf("XFORMS\n");
if (do_forms==1) {
fl_initialize (&argc, argv, NULL, 0, 0);
form_stats_l2 = create_form_stats_form();
fl_show_form (form_stats_l2->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "l2 stats");
form_stats = create_form_stats_form();
fl_show_form (form_stats->stats_form, FL_PLACE_HOTSPOT, FL_FULLBORDER, "stats");
for(UE_id=0; UE_id<scope_enb_num_ue; UE_id++) {
for(CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
form_enb[CC_id][UE_id] = create_lte_phy_scope_enb();
sprintf (title, "LTE UL SCOPE eNB for CC_id %d, UE %d",CC_id,UE_id);
fl_show_form (form_enb[CC_id][UE_id]->lte_phy_scope_enb, FL_PLACE_HOTSPOT, FL_FULLBORDER, title);
if (otg_enabled) {
fl_set_button(form_enb[CC_id][UE_id]->button_0,1);
fl_set_object_label(form_enb[CC_id][UE_id]->button_0,"DL Traffic ON");
} else {
fl_set_button(form_enb[CC_id][UE_id]->button_0,0);
fl_set_object_label(form_enb[CC_id][UE_id]->button_0,"DL Traffic OFF");
}
} // CC_id
} // UE_id
ret = pthread_create(&forms_thread, NULL, scope_thread, NULL);
if (ret == 0)
pthread_setname_np( forms_thread, "xforms" );
printf("Scope thread created, ret=%d\n",ret);
}
#endif
rt_sleep_ns(10*100000000ULL);
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==2) // 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_RU(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==1) { // 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 (nfapi_mode != 1 && nfapi_mode != 2)
{
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");
fflush(stdout);
fflush(stderr);
//getchar();
#if defined(ENABLE_ITTI)
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);
#else
while (oai_exit==0)
rt_sleep_ns(100000000ULL);
printf("Terminating application - oai_exit=%d\n",oai_exit);
#endif
// 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]->lte_phy_scope_enb);
fl_free_form(form_enb[CC_id][UE_id]->lte_phy_scope_enb);
}
}
}
*/
#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++) {
for (int cc_id = 0; cc_id < RC.nb_nr_CC[inst]; cc_id++) {
//free_transport(RC.gNB[inst][cc_id]);
phy_free_nr_gNB(RC.gNB[inst][cc_id]);
}
}
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);
}
if (opt_enabled == 1)
terminate_opt();
logClean();
printf("Bye.\n");
return 0;
}
targets/RT/USER/nr-softmodem.h deleted 100644 → 0
View file @ 8c16f16c
#ifndef NR_SOFTMODEM_H
#define NR_SOFTMODEM_H
#define _GNU_SOURCE
#include <execinfo.h>
#include <fcntl.h>
#include <getopt.h>
#include <linux/sched.h>
#include "rt_wrapper.h"
#include <sched.h>
#include <signal.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <syscall.h>
#include <sys/ioctl.h>
#include <sys/mman.h>
#include <sys/stat.h>
#include <sys/sysinfo.h>
#include <sys/types.h>
#include <unistd.h>
#include <sys/sysinfo.h>
#include "rt_wrapper.h"
#include "../../ARCH/COMMON/common_lib.h"
#undef MALLOC
#include "assertions.h"
#include "msc.h"
#include "PHY/types.h"
#include "flexran_agent.h"
#include "PHY/defs_gNB.h"
#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
/* help strings definition for command line options, used in CMDLINE_XXX_DESC macros and printed when -h option is used */
#define CONFIG_HLP_RFCFGF "Configuration file for front-end (e.g. LMS7002M)\n"
#define CONFIG_HLP_ULMAXE "set the eNodeB max ULSCH erros\n"
#define CONFIG_HLP_CALUER "set UE RX calibration\n"
#define CONFIG_HLP_CALUERM ""
#define CONFIG_HLP_CALUERB ""
#define CONFIG_HLP_DBGUEPR "UE run normal prach power ramping, but don't continue random-access\n"
#define CONFIG_HLP_CALPRACH "UE run normal prach with maximum power, but don't continue random-access\n"
#define CONFIG_HLP_NOL2CN "bypass L2 and upper layers\n"
#define CONFIG_HLP_UERXG "set UE RX gain\n"
#define CONFIG_HLP_UERXGOFF "external UE amplifier offset\n"
#define CONFIG_HLP_UETXG "set UE TX gain\n"
#define CONFIG_HLP_UENANTR "set UE number of rx antennas\n"
#define CONFIG_HLP_UENANTT "set UE number of tx antennas\n"
#define CONFIG_HLP_UESCAN "set UE to scan around carrier\n"
#define CONFIG_HLP_DUMPFRAME "dump UE received frame to rxsig_frame0.dat and exit\n"
#define CONFIG_HLP_DLSHIFT "dynamic shift for LLR compuation for TM3/4 (default 0)\n"
#define CONFIG_HLP_UELOOP "get softmodem (UE) to loop through memory instead of acquiring from HW\n"
#define CONFIG_HLP_PHYTST "test UE phy layer, mac disabled\n"
#define CONFIG_HLP_DMAMAP "sets flag for improved EXMIMO UE performance\n"
#define CONFIG_HLP_EXCCLK "tells hardware to use an external clock reference\n"
#define CONFIG_HLP_USIM "use XOR autentication algo in case of test usim mode\n"
#define CONFIG_HLP_NOSNGLT "Disables single-thread mode in lte-softmodem\n"
#define CONFIG_HLP_TADV "Set timing_advance\n"
#define CONFIG_HLP_DLF "Set the downlink frequency for all component carriers\n"
#define CONFIG_HLP_CHOFF "Channel id offset\n"
#define CONFIG_HLP_SOFTS "Enable soft scope and L1 and L2 stats (Xforms)\n"
#define CONFIG_HLP_EXMCAL "Calibrate the EXMIMO borad, available files: exmimo2_2arxg.lime exmimo2_2brxg.lime \n"
#define CONFIG_HLP_ITTIL "Generate ITTI analyzser logs (similar to wireshark logs but with more details)\n"
#define CONFIG_HLP_DLMCS "Set the maximum downlink MCS\n"
#define CONFIG_HLP_STMON "Enable processing timing measurement of lte softmodem on per subframe basis \n"
#define CONFIG_HLP_PRB "Set the PRB, valid values: 6, 25, 50, 100 \n"
#define CONFIG_HLP_MSLOTS "Skip the missed slots/subframes \n"
#define CONFIG_HLP_ULMCS "Set the maximum uplink MCS\n"
#define CONFIG_HLP_TDD "Set hardware to TDD mode (default: FDD). Used only with -U (otherwise set in config file).\n"
#define CONFIG_HLP_UE "Set the lte softmodem as a UE\n"
#define CONFIG_HLP_L2MONW "Enable L2 wireshark messages on localhost \n"
#define CONFIG_HLP_L2MONP "Enable L2 pcap messages on localhost \n"
#define CONFIG_HLP_VCD "Enable VCD (generated file will is named openair_dump_eNB.vcd, read it with target/RT/USER/eNB.gtkw\n"
#define CONFIG_HLP_TQFS "Apply three-quarter of sampling frequency, 23.04 Msps to reduce the data rate on USB/PCIe transfers (only valid for 20 MHz)\n"
#define CONFIG_HLP_TPORT "tracer port\n"
#define CONFIG_HLP_NOTWAIT "don't wait for tracer, start immediately\n"
#define CONFIG_HLP_TNOFORK "to ease debugging with gdb\n"
#define CONFIG_HLP_DISABLNBIOT "disable nb-iot, even if defined in config\n"
#define CONFIG_HLP_NUMEROLOGY "adding numerology for 5G\n"
#define CONFIG_HLP_EMULATE_RF "Emulated RF enabled(disable by defult)\n"
#define CONFIG_HLP_PARALLEL_CMD "three config for level of parallelism 'PARALLEL_SINGLE_THREAD', 'PARALLEL_RU_L1_SPLIT', or 'PARALLEL_RU_L1_TRX_SPLIT'\n"
#define CONFIG_HLP_WORKER_CMD "two option for worker 'WORKER_DISABLE' or 'WORKER_ENABLE'\n"
/***************************************************************************************************************************************/
/* command line options definitions, CMDLINE_XXXX_DESC macros are used to initialize paramdef_t arrays which are then used as argument
when calling config_get or config_getlist functions */
/*------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters defining UE running mode */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_UEMODEPARAMS_DESC { \
{"calib-ue-rx", CONFIG_HLP_CALUER, 0, iptr:&rx_input_level_dBm, defintval:0, TYPE_INT, 0}, \
{"calib-ue-rx-med", CONFIG_HLP_CALUERM, 0, iptr:&rx_input_level_dBm, defintval:0, TYPE_INT, 0}, \
{"calib-ue-rx-byp", CONFIG_HLP_CALUERB, 0, iptr:&rx_input_level_dBm, defintval:0, TYPE_INT, 0}, \
{"debug-ue-prach", CONFIG_HLP_DBGUEPR, PARAMFLAG_BOOL, uptr:NULL, defuintval:1, TYPE_INT, 0}, \
{"no-L2-connect", CONFIG_HLP_NOL2CN, PARAMFLAG_BOOL, uptr:NULL, defuintval:1, TYPE_INT, 0}, \
{"calib-prach-tx", CONFIG_HLP_CALPRACH, PARAMFLAG_BOOL, uptr:NULL, defuintval:1, TYPE_INT, 0}, \
{"loop-memory", CONFIG_HLP_UELOOP, 0, strptr:&loopfile, defstrval:"iqs.in", TYPE_STRING,0}, \
{"ue-dump-frame", CONFIG_HLP_DUMPFRAME, PARAMFLAG_BOOL, iptr:&dumpframe, defintval:0, TYPE_INT, 0}, \
}
#define CMDLINE_CALIBUERX_IDX 0
#define CMDLINE_CALIBUERXMED_IDX 1
#define CMDLINE_CALIBUERXBYP_IDX 2
#define CMDLINE_DEBUGUEPRACH_IDX 3
#define CMDLINE_NOL2CONNECT_IDX 4
#define CMDLINE_CALIBPRACHTX_IDX 5
#define CMDLINE_MEMLOOP_IDX 6
#define CMDLINE_DUMPMEMORY_IDX 7
/*------------------------------------------------------------------------------------------------------------------------------------------*/
/*--------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters specific to UE */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*--------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_UEPARAMS_DESC { \
{"ue-rxgain", CONFIG_HLP_UERXG, 0, dblptr:&(rx_gain[0][0]), defdblval:0, TYPE_DOUBLE, 0}, \
{"ue-rxgain-off", CONFIG_HLP_UERXGOFF, 0, dblptr:&rx_gain_off, defdblval:0, TYPE_DOUBLE, 0}, \
{"ue-txgain", CONFIG_HLP_UETXG, 0, dblptr:&(tx_gain[0][0]), defdblval:0, TYPE_DOUBLE, 0}, \
{"ue-nb-ant-rx", CONFIG_HLP_UENANTR, 0, u8ptr:&nb_antenna_rx, defuintval:1, TYPE_UINT8, 0}, \
{"ue-nb-ant-tx", CONFIG_HLP_UENANTT, 0, u8ptr:&nb_antenna_tx, defuintval:1, TYPE_UINT8, 0}, \
{"ue-scan-carrier", CONFIG_HLP_UESCAN, PARAMFLAG_BOOL, iptr:&UE_scan_carrier, defintval:0, TYPE_INT, 0}, \
{"ue-max-power", NULL, 0, iptr:&(tx_max_power[0]), defintval:90, TYPE_INT, 0}, \
{"r" , CONFIG_HLP_PRB, 0, u8ptr:&(frame_parms[0]->N_RB_DL), defintval:25, TYPE_UINT8, 0}, \
{"dlsch-demod-shift", CONFIG_HLP_DLSHIFT, 0, iptr:(int32_t *)&dlsch_demod_shift, defintval:0, TYPE_INT, 0}, \
}
#define DEFAULT_DLF 2680000000
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters common to eNodeB and UE */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_PARAMS_DESC { \
{"rf-config-file", CONFIG_HLP_RFCFGF, 0, strptr:(char **)&rf_config_file, defstrval:NULL, TYPE_STRING, sizeof(rf_config_file)}, \
{"ulsch-max-errors", CONFIG_HLP_ULMAXE, 0, uptr:&ULSCH_max_consecutive_errors, defuintval:0, TYPE_UINT, 0}, \
{"phy-test", CONFIG_HLP_PHYTST, PARAMFLAG_BOOL, iptr:&phy_test, defintval:0, TYPE_INT, 0}, \
{"usim-test", CONFIG_HLP_USIM, PARAMFLAG_BOOL, u8ptr:&usim_test, defintval:0, TYPE_UINT8, 0}, \
{"mmapped-dma", CONFIG_HLP_DMAMAP, PARAMFLAG_BOOL, uptr:&mmapped_dma, defintval:0, TYPE_INT, 0}, \
{"external-clock", CONFIG_HLP_EXCCLK, PARAMFLAG_BOOL, uptr:&clock_source, defintval:0, TYPE_INT, 0}, \
{"wait-for-sync", NULL, PARAMFLAG_BOOL, iptr:&wait_for_sync, defintval:0, TYPE_INT, 0}, \
{"single-thread-disable", CONFIG_HLP_NOSNGLT, PARAMFLAG_BOOL, iptr:&single_thread_flag, defintval:1, TYPE_INT, 0}, \
{"A" , CONFIG_HLP_TADV, 0, uptr:&timing_advance, defintval:0, TYPE_UINT, 0}, \
{"C" , CONFIG_HLP_DLF, 0, uptr:&(downlink_frequency[0][0]), defuintval:DEFAULT_DLF, TYPE_UINT, 0}, \
{"a" , CONFIG_HLP_CHOFF, 0, iptr:&chain_offset, defintval:0, TYPE_INT, 0}, \
{"d" , CONFIG_HLP_SOFTS, PARAMFLAG_BOOL, uptr:(uint32_t *)&do_forms, defintval:0, TYPE_INT8, 0}, \
{"E" , CONFIG_HLP_TQFS, PARAMFLAG_BOOL, i8ptr:&threequarter_fs, defintval:0, TYPE_INT8, 0}, \
{"K" , CONFIG_HLP_ITTIL, PARAMFLAG_NOFREE, strptr:&itti_dump_file, defstrval:"/tmp/itti.dump", TYPE_STRING, 0}, \
{"m" , CONFIG_HLP_DLMCS, 0, uptr:&target_dl_mcs, defintval:0, TYPE_UINT, 0}, \
{"t" , CONFIG_HLP_ULMCS, 0, uptr:&target_ul_mcs, defintval:0, TYPE_UINT, 0}, \
{"W" , CONFIG_HLP_L2MONW, 0, strptr:(char **)&in_ip, defstrval:"127.0.0.1", TYPE_STRING, sizeof(in_ip)}, \
{"P" , CONFIG_HLP_L2MONP, 0, strptr:(char **)&in_path, defstrval:"/tmp/oai_opt.pcap", TYPE_STRING, sizeof(in_path)}, \
{"q" , CONFIG_HLP_STMON, PARAMFLAG_BOOL, iptr:&opp_enabled, defintval:0, TYPE_INT, 0}, \
{"S" , CONFIG_HLP_MSLOTS, PARAMFLAG_BOOL, u8ptr:&exit_missed_slots, defintval:1, TYPE_UINT8, 0}, \
{"T" , CONFIG_HLP_TDD, PARAMFLAG_BOOL, iptr:&tddflag, defintval:0, TYPE_INT, 0}, {"numerology" , CONFIG_HLP_NUMEROLOGY, PARAMFLAG_BOOL, iptr:&numerology, defintval:0, TYPE_INT, 0}, \
{"emulate-rf" , CONFIG_HLP_EMULATE_RF, PARAMFLAG_BOOL, iptr:&emulate_rf, defintval:0, TYPE_INT, 0}, \
{"parallel-config", CONFIG_HLP_PARALLEL_CMD,0, strptr:(char **)&parallel_config, defstrval:NULL, TYPE_STRING, 0}, \
{"worker-config", CONFIG_HLP_WORKER_CMD, 0, strptr:(char **)&worker_config, defstrval:NULL, TYPE_STRING, 0}, \
{"nbiot-disable", CONFIG_HLP_DISABLNBIOT,PARAMFLAG_BOOL, iptr:&nonbiotflag, defintval:0, TYPE_INT, 0} \
}
#define CONFIG_HLP_FLOG "Enable online log \n"
#define CONFIG_HLP_LOGL "Set the global log level, valide options: (9:trace, 8/7:debug, 6:info, 4:warn, 3:error)\n"
#define CONFIG_HLP_LOGV "Set the global log verbosity \n"
#define CONFIG_HLP_TELN "Start embedded telnet server \n"
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
/* command line parameters for LOG utility */
/* optname helpstr paramflags XXXptr defXXXval type numelt */
/*---------------------------------------------------------------------------------------------------------------------------------------------------------------------------*/
#define CMDLINE_LOGPARAMS_DESC { \
{"R" , CONFIG_HLP_FLOG, 0, uptr:&online_log_messages, defintval:1, TYPE_INT, 0}, \
{"g" , CONFIG_HLP_LOGL, 0, uptr:&glog_level, defintval:0, TYPE_UINT, 0}, \
{"G" , CONFIG_HLP_LOGV, 0, uptr:&glog_verbosity, defintval:0, TYPE_UINT16, 0}, \
{"telnetsrv", CONFIG_HLP_TELN, PARAMFLAG_BOOL, uptr:&start_telnetsrv, defintval:0, TYPE_UINT, 0}, \
}
#define CMDLINE_ONLINELOG_IDX 0
#define CMDLINE_GLOGLEVEL_IDX 1
#define CMDLINE_GLOGVERBO_IDX 2
#define CMDLINE_STARTTELN_IDX 3
extern int T_port;
extern int T_nowait;
extern int T_dont_fork;
/***************************************************************************************************************************************/
/* */
extern pthread_cond_t sync_cond;
extern pthread_mutex_t sync_mutex;
extern int sync_var;
extern uint32_t downlink_frequency[MAX_NUM_CCs][4];
extern int32_t uplink_frequency_offset[MAX_NUM_CCs][4];
extern int rx_input_level_dBm;
extern uint8_t exit_missed_slots;
extern uint64_t num_missed_slots; // counter for the number of missed slots
extern int oaisim_flag;
extern volatile int oai_exit;
extern openair0_config_t openair0_cfg[MAX_CARDS];
extern pthread_cond_t sync_cond;
extern pthread_mutex_t sync_mutex;
extern int sync_var;
extern int transmission_mode;
extern double cpuf;
#if defined(ENABLE_ITTI)
extern volatile int start_gNB;
#endif
#include "threads_t.h"
extern threads_t threads;
// In nr-gnb.c
extern void init_gNB(int single_thread_flag,int wait_for_sync);
extern void stop_gNB(int);
extern void kill_gNB_proc(int inst);
// In nr-ru.c
extern void init_RU(const char*);
extern void init_RU_proc(RU_t *ru);
extern void stop_RU(int nb_ru);
extern void kill_RU_proc(int inst);
extern void set_function_spec_param(RU_t *ru);
extern void reset_opp_meas(void);
extern void print_opp_meas(void);
extern void init_fep_thread(PHY_VARS_gNB *, pthread_attr_t *);
void init_gNB_afterRU(void);
extern int stop_L1L2(module_id_t gnb_id);
extern int restart_L1L2(module_id_t gnb_id);
#endif
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