diff --git a/openair1/PHY/defs_L1_NB_IoT.h b/openair1/PHY/defs_L1_NB_IoT.h index 6eb4ce0e95..6ad7252165 100644 --- a/openair1/PHY/defs_L1_NB_IoT.h +++ b/openair1/PHY/defs_L1_NB_IoT.h @@ -341,8 +341,6 @@ typedef struct eNB_proc_NB_IoT_t_s { int instance_cnt_asynch_rxtx; /// pthread structure for FH processing thread pthread_t pthread_FH; - /// pthread structure for eNB single processing thread - pthread_t pthread_single; /// pthread structure for asychronous RX/TX processing thread pthread_t pthread_asynch_rxtx; /// flag to indicate first RX acquisition diff --git a/openair1/PHY/defs_eNB.h b/openair1/PHY/defs_eNB.h index b8271ab3ad..6c58a6aa3c 100644 --- a/openair1/PHY/defs_eNB.h +++ b/openair1/PHY/defs_eNB.h @@ -706,8 +706,6 @@ typedef struct eNB_proc_t_s { int instance_cnt_synch; /// \internal This variable is protected by \ref mutex_asynch_rxtx. int instance_cnt_asynch_rxtx; - /// pthread structure for eNB single processing thread - pthread_t pthread_single; /// pthread structure for asychronous RX/TX processing thread pthread_t pthread_asynch_rxtx; /// flag to indicate first RX acquisition diff --git a/targets/RT/USER/lte-ran.c b/targets/RT/USER/lte-ran.c deleted file mode 100644 index 597ceb0654..0000000000 --- a/targets/RT/USER/lte-ran.c +++ /dev/null @@ -1,1747 +0,0 @@ -/******************************************************************************* - 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 . - - 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 -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#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 "PHY/defs.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/extern.h" -#include "SCHED/extern.h" -#include "LAYER2/MAC/extern.h" - -#include "../../SIMU/USER/init_lte.h" - -#include "LAYER2/MAC/defs.h" -#include "LAYER2/MAC/extern.h" -#include "LAYER2/MAC/proto.h" -#include "RRC/LITE/extern.h" -#include "PHY_INTERFACE/extern.h" - -#ifdef SMBV -#include "PHY/TOOLS/smbv.h" -unsigned short config_frames[4] = {2,9,11,13}; -#endif -#include "UTIL/LOG/log_extern.h" -#include "UTIL/OTG/otg_tx.h" -#include "UTIL/OTG/otg_externs.h" -#include "UTIL/MATH/oml.h" -#include "UTIL/LOG/vcd_signal_dumper.h" -#include "UTIL/OPT/opt.h" -#include "enb_config.h" -//#include "PHY/TOOLS/time_meas.h" - -#ifndef OPENAIR2 -#include "UTIL/OTG/otg_extern.h" -#endif - -#if defined(ENABLE_ITTI) -# if defined(ENABLE_USE_MME) -# include "s1ap_eNB.h" -#ifdef PDCP_USE_NETLINK -# include "SIMULATION/ETH_TRANSPORT/proto.h" -#endif -# endif -#endif - -#include "T.h" - -//#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_eNB; -extern volatile int start_UE; -#endif -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; - -//pthread_t main_eNB_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 softmodem_stats_rx_sf; // total rx time -int32_t **rxdata; -int32_t **txdata; - -uint8_t seqno; //sequence number - -static int time_offset[4] = {0,0,0,0}; - -/* 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; - -void exit_fun(const char* s); - -void init_eNB(eNB_func_t node_function[], eNB_timing_t node_timing[],int nb_inst,eth_params_t *,int); -void stop_eNB(int nb_inst); -void init_RU(RAN_CONTEXT *rc, eNB_func_t node_function, RU_if_in_t ru_if_in[], RU_if_timing_t ru_if_timing[], eth_params_t *eth_params); -void stop_RU(); - -// Generic thread initialisation function -static inline void thread_top_init(char *thread_name, - int affinity, - uint64_t runtime, - uint64_t deadline, - uint64_t period) { - - MSC_START_USE(); - -#ifdef DEADLINE_SCHEDULER - struct sched_attr attr; - - unsigned int flags = 0; - - attr.size = sizeof(attr); - attr.sched_flags = 0; - attr.sched_nice = 0; - attr.sched_priority = 0; - - attr.sched_policy = SCHED_DEADLINE; - attr.sched_runtime = runtime; - attr.sched_deadline = deadline; - attr.sched_period = period; - - if (sched_setattr(0, &attr, flags) < 0 ) { - perror("[SCHED] eNB tx thread: sched_setattr failed\n"); - exit_fun("Error setting deadline scheduler"); - } - - LOG_I( HW, "[SCHED] eNB %s deadline thread started on CPU %d\n", thread_name,sched_getcpu() ); - -#else //LOW_LATENCY - int policy, s, j; - struct sched_param sparam; - char cpu_affinity[1024]; - cpu_set_t cpuset; - - /* Set affinity mask to include CPUs 1 to MAX_CPUS */ - /* CPU 0 is reserved for UHD threads */ - /* CPU 1 is reserved for all RX_TX threads */ - /* Enable CPU Affinity only if number of CPUs >2 */ - CPU_ZERO(&cpuset); - -#ifdef CPU_AFFINITY - if (get_nprocs() > 2) - { - if (affinity == 0) - CPU_SET(0,&cpuset); - else - for (j = 1; 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"); - } - } -#endif //CPU_AFFINITY - - /* 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 (j = 0; j < CPU_SETSIZE; j++) - if (CPU_ISSET(j, &cpuset)) { - char temp[1024]; - sprintf (temp, " CPU_%d", j); - strcat(cpu_affinity, temp); - } - - memset(&sparam, 0, sizeof(sparam)); - sparam.sched_priority = sched_get_priority_max(SCHED_FIFO); - policy = SCHED_FIFO ; - - s = pthread_setschedparam(pthread_self(), policy, &sparam); - if (s != 0) { - perror("pthread_setschedparam : "); - exit_fun("Error setting thread priority"); - } - - s = pthread_getschedparam(pthread_self(), &policy, &sparam); - if (s != 0) { - perror("pthread_getschedparam : "); - exit_fun("Error getting thread priority"); - } - - LOG_I(HW, "[SCHED][eNB] %s started on CPU %d TID %ld, sched_policy = %s , priority = %d, CPU Affinity=%s \n",thread_name,sched_getcpu(),gettid(), - (policy == SCHED_FIFO) ? "SCHED_FIFO" : - (policy == SCHED_RR) ? "SCHED_RR" : - (policy == SCHED_OTHER) ? "SCHED_OTHER" : - "???", - sparam.sched_priority, cpu_affinity ); - -#endif //LOW_LATENCY - - mlockall(MCL_CURRENT | MCL_FUTURE); - -} - -static inline void wait_sync(char *thread_name) { - - printf( "waiting for sync (%s)\n",thread_name); - pthread_mutex_lock( &sync_mutex ); - - while (sync_var<0) - pthread_cond_wait( &sync_cond, &sync_mutex ); - - pthread_mutex_unlock(&sync_mutex); - - printf( "got sync (%s)\n", thread_name); - -} - -// RU OFDM Modulator, used in IF4p5 RRU, RCC/RAU with IF5, eNodeB - -void do_OFDM_mod_rt(int subframe,PHY_VARS_eNB *phy_vars_eNB) { - - unsigned int aa,slot_offset, slot_offset_F; - int dummy_tx_b[7680*4] __attribute__((aligned(32))); - int i,j, tx_offset; - int slot_sizeF = (phy_vars_eNB->frame_parms.ofdm_symbol_size)* - ((phy_vars_eNB->frame_parms.Ncp==1) ? 6 : 7); - int len,len2; - int16_t *txdata; -// int CC_id = phy_vars_eNB->proc.CC_id; - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_SFGEN , 1 ); - - slot_offset_F = (subframe<<1)*slot_sizeF; - - slot_offset = subframe*phy_vars_eNB->frame_parms.samples_per_tti; - - if ((subframe_select(&phy_vars_eNB->frame_parms,subframe)==SF_DL)|| - ((subframe_select(&phy_vars_eNB->frame_parms,subframe)==SF_S))) { - // LOG_D(HW,"Frame %d: Generating slot %d\n",frame,next_slot); - - for (aa=0; aaframe_parms.nb_antennas_tx; aa++) { - if (phy_vars_eNB->frame_parms.Ncp == EXTENDED) { - PHY_ofdm_mod(&phy_vars_eNB->common_vars.txdataF[0][aa][slot_offset_F], - dummy_tx_b, - phy_vars_eNB->frame_parms.ofdm_symbol_size, - 6, - phy_vars_eNB->frame_parms.nb_prefix_samples, - CYCLIC_PREFIX); - PHY_ofdm_mod(&phy_vars_eNB->common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF], - dummy_tx_b+(phy_vars_eNB->frame_parms.samples_per_tti>>1), - phy_vars_eNB->frame_parms.ofdm_symbol_size, - 6, - phy_vars_eNB->frame_parms.nb_prefix_samples, - CYCLIC_PREFIX); - } else { - normal_prefix_mod(&phy_vars_eNB->common_vars.txdataF[0][aa][slot_offset_F], - dummy_tx_b, - 7, - &(phy_vars_eNB->frame_parms)); - // if S-subframe generate first slot only - if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_DL) - normal_prefix_mod(&phy_vars_eNB->common_vars.txdataF[0][aa][slot_offset_F+slot_sizeF], - dummy_tx_b+(phy_vars_eNB->frame_parms.samples_per_tti>>1), - 7, - &(phy_vars_eNB->frame_parms)); - } - - // if S-subframe generate first slot only - if (subframe_select(&phy_vars_eNB->frame_parms,subframe) == SF_S) - len = phy_vars_eNB->frame_parms.samples_per_tti>>1; - else - len = phy_vars_eNB->frame_parms.samples_per_tti; - /* - for (i=0;icommon_vars.txdata[0][aa][(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti)+tx_offset]; - len2 = -(slot_offset+time_offset[aa]); - len2 = (len2>len) ? len : len2; - for (i=0; i<(len2<<1); i++) { - txdata[i] = ((int16_t*)dummy_tx_b)[i]<common_vars.txdata[0][aa][0]; - for (j=0; i<(len<<1); i++,j++) { - txdata[j++] = ((int16_t*)dummy_tx_b)[i]<(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti)) { - tx_offset = (int)slot_offset+time_offset[aa]; - txdata = (int16_t*)&phy_vars_eNB->common_vars.txdata[0][aa][tx_offset]; - len2 = -tx_offset+LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti; - for (i=0; i<(len2<<1); i++) { - txdata[i] = ((int16_t*)dummy_tx_b)[i]<common_vars.txdata[0][aa][0]; - for (j=0; i<(len<<1); i++,j++) { - txdata[j++] = ((int16_t*)dummy_tx_b)[i]<common_vars.txdata[0][aa][tx_offset]; - - for (i=0; i<(len<<1); i++) { - txdata[i] = ((int16_t*)dummy_tx_b)[i]<frame_parms,subframe) == SF_S) { - for (i=0; icommon_vars.txdata[0][aa][tx_offset++] = 0x00010001; - } - } - */ - if ((((phy_vars_eNB->frame_parms.tdd_config==0) || - (phy_vars_eNB->frame_parms.tdd_config==1) || - (phy_vars_eNB->frame_parms.tdd_config==2) || - (phy_vars_eNB->frame_parms.tdd_config==6)) && - (subframe==0)) || (subframe==5)) { - // turn on tx switch N_TA_offset before - //LOG_D(HW,"subframe %d, time to switch to tx (N_TA_offset %d, slot_offset %d) \n",subframe,phy_vars_eNB->N_TA_offset,slot_offset); - for (i=0; iN_TA_offset; i++) { - tx_offset = (int)slot_offset+time_offset[aa]+i-phy_vars_eNB->N_TA_offset/2; - if (tx_offset<0) - tx_offset += LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti; - - if (tx_offset>=(LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti)) - tx_offset -= LTE_NUMBER_OF_SUBFRAMES_PER_FRAME*phy_vars_eNB->frame_parms.samples_per_tti; - - phy_vars_eNB->common_vars.txdata[0][aa][tx_offset] = 0x00000000; - } - } - } - } - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(VCD_SIGNAL_DUMPER_FUNCTIONS_PHY_ENB_SFGEN , 0 ); -} - - - -void proc_tx_high0(RU_t *ru, - eNB_rxtx_proc_t *proc, - relaying_type_t r_type, - PHY_VARS_RN *rn) { - - int offset = proc == &eNB->proc.proc_rxtx[0] ? 0 : 1; - - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB+offset, proc->frame_tx ); - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB+offset, proc->subframe_tx ); - - phy_procedures_eNB_TX(eNB,proc,r_type,rn,1); - - /* we're done, let the next one proceed */ - if (pthread_mutex_lock(&sync_phy_proc.mutex_phy_proc_tx) != 0) { - LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX proc\n"); - exit_fun("nothing to add"); - } - sync_phy_proc.phy_proc_CC_id++; - sync_phy_proc.phy_proc_CC_id %= MAX_NUM_CCs; - pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx); - if (pthread_mutex_unlock(&sync_phy_proc.mutex_phy_proc_tx) != 0) { - LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX proc\n"); - exit_fun("nothing to add"); - } - -} - -/* -void proc_tx_high(RU_t *ru, - eNB_rxtx_proc_t *proc, - relaying_type_t r_type, - PHY_VARS_RN *rn) { - - - // do PHY high - proc_tx_high0(eNB,proc,r_type,rn); - - // if TX fronthaul go ahead - if (eNB->tx_fh) eNB->tx_fh(eNB,proc); - -} - -void proc_tx_full(RU_t *ru, - eNB_rxtx_proc_t *proc, - relaying_type_t r_type, - PHY_VARS_RN *rn) { - - - // do PHY high - proc_tx_high0(eNB,proc,r_type,rn); - - - - -} -*/ - -// RU IF5 TX fronthaul for 16-bit OAI format -static inline void tx_rcc_if5(PHY_vars_eNB_t *ru,ru_proc_t *proc) { - if (ru == RC.ru[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, eNB->timestamp_tx&0xffffffff ); - send_IF5(ru, proc->timestamp_txp proc->subframe_tx, &seqno, IF5_RRH_GW_DL); -} - -// RCC IF5 TX fronthaul for Mobipass packet format -static inline void tx_rcc_if5_mobipass(PHY_VARS_eNB_t *eNB,ru_proc_t *proc) { - if (eNB == RC.eNB[0][p]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, eNB->timestamp_tx&0xffffffff ); - send_IF5(ru, proc->timestamp_tx, proc->subframe_tx, &seqno, IF5_MOBIPASS); -} - -// RCC IF4p5 TX fronthaul -static inline void tx_rcc_if4p5(PHY_VARS_eNB_t *eNB,eNB_rxtx_proc_t *proc) { - send_IF4p5(eNB,proc->frame_tx, proc->subframe_tx, IF4p5_PDLFFT, 0); -} - -// RAU IF5 TX fronthaul for 16-bit OAI format -static inline void tx_ru_if5(RU_t *ru) { - if (ru == RC.ru_list[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff ); - send_IF5(eNB, ru->proc.timestamp_txp ru->proc.subframe_tx, &seqno, IF5_RRH_GW_DL); -} - -// RAU IF5 TX fronthaul for Mobipass packet format -static inline void tx_ru_if5_mobipass(RU_t *ru) { - if (ru == RC.ru_list[0]) VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, ru->proc.timestamp_tx&0xffffffff ); - send_IF5(eNB, ru->proc.timestamp_tx, ru->proc.subframe_tx, &seqno, IF5_MOBIPASS); -} - -// RAU IF4p5 TX fronthaul -static inline void tx_fh_if4p5(RU_t *ru) { - send_IF4p5(eNB,proc->frame_tx, proc->subframe_tx, IF4p5_PDLFFT, 0); -} - - -// RRU/RAU 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 precodes (if required for RAU function) modulates via IDFT + prefix insertion (if required for RRU function) -void proc_tx_ru_if4p5(RU_t *ru) { - - uint32_t symbol_number=0; - uint32_t symbol_mask, symbol_mask_full; - uint16_t packet_type; - ru_proc_t = &ru->proc; - - // dump VCD output for first RU in list - if (ru == RC.ru_list[0]) { - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB, proc->frame_tx ); - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB, proc->subframe_tx ); - } - /// **** incoming IF4p5 from remote RCC/RAU **** /// - symbol_number = 0; - symbol_mask = 0; - symbol_mask_full = (1<frame_parms.symbols_per_tti)-1; - - for (PHY_VARS_eNB *eNB_tx = ru->eNB_list[0],i=0; eNB_tx[i] != NULL ; i++) { - do { - recv_IF4p5(ru, &proc->frame_tx, &proc->subframe_tx, &packet_type, &symbol_number); - symbol_mask = symbol_mask | (1<do_precoding) ru->do_precoding(i,ru); - } - // do OFDM modulation if needed - if (ru->do_OFDM_mod) ru->do_OFDM_mod(ru); - - // do outgoing TX fronthaul if needed - if (ru->tx_fh) ru->tx_fh(ru); -} - -void proc_tx_ru_if5(RU_t *ru) { - - - if (ru == RC.ru_list[0]) { - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_FRAME_NUMBER_TX0_ENB, ru->proc.frame_tx ); - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_SUBFRAME_NUMBER_TX0_ENB, ru->proc.subframe_tx ); - } - - /// **** recv_IF5 of txdata from BBU **** /// - recv_IF5(eNB, &ru->timestamp_tx, proc->subframe_tx, IF5_RRH_GW_DL); - - // do OFDM modulation if needed - if (ru->do_OFDM_mod) ru->do_OFDM_mod(ru); - - // do outgoing TX fronthaul if needed - if (ru->tx_fh) ru->tx_fh(ru); -} - -int wait_CCs(eNB_rxtx_proc_t *proc) { - - struct timespec wait; - - wait.tv_sec=0; - wait.tv_nsec=5000000L; - - if (pthread_mutex_timedlock(&sync_phy_proc.mutex_phy_proc_tx,&wait) != 0) { - LOG_E(PHY, "[SCHED][eNB] error locking PHY proc mutex for eNB TX\n"); - exit_fun("nothing to add"); - return(-1); - } - - // wait for our turn or oai_exit - while (sync_phy_proc.phy_proc_CC_id != proc->CC_id && !oai_exit) { - pthread_cond_wait(&sync_phy_proc.cond_phy_proc_tx, - &sync_phy_proc.mutex_phy_proc_tx); - } - - if (pthread_mutex_unlock(&sync_phy_proc.mutex_phy_proc_tx) != 0) { - LOG_E(PHY, "[SCHED][eNB] error unlocking PHY proc mutex for eNB TX\n"); - exit_fun("nothing to add"); - return(-1); - } - return(0); -} - -static inline int rxtx(PHY_VARS_eNB eNB_t *eNB,eNB_rxtx_proc_t *proc, char *thread_name) { - - start_meas(&softmodem_stats_rxtx_sf); - // **************************************** - // Common RX procedures subframe n - phy_procedures_eNB_common_RX(eNB); - - // UE-specific RX processing for subframe n - if (eNB->proc_uespec_rx) eNB->proc_uespec_rx(eNB, proc, no_relay ); - - // ***************************************** - // TX processing for subframe n+4 - // run PHY TX procedures the one after the other for all CCs to avoid race conditions - // (may be relaxed in the future for performance reasons) - // ***************************************** - //if (wait_CCs(proc)<0) return(-1); - - if (oai_exit) return(-1); - - if (eNB->proc_tx) eNB->proc_tx(eNB, proc, no_relay, NULL ); - - if (release_thread(&proc->mutex_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) return(-1); - - stop_meas( &softmodem_stats_rxtx_sf ); - - return(0); -} - -/*! - * \brief The RX UE-specific and TX thread of eNB. - * \param param is a \ref eNB_proc_t structure which contains the info what to process. - * \returns a pointer to an int. The storage is not on the heap and must not be freed. - */ -static void* eNB_thread_rxtx( void* param ) { - - static int eNB_thread_rxtx_status; - - eNB_rxtx_proc_t *proc = (eNB_rxtx_proc_t*)param; - PHY_VARS_eNB *eNB = PHY_vars_eNB_g[0][proc->CC_id]; - - char thread_name[100]; - - - // set default return value - eNB_thread_rxtx_status = 0; - - sprintf(thread_name,"RXn_TXnp4_%d\n",&eNB->proc.proc_rxtx[0] == proc ? 0 : 1); - thread_top_init(thread_name,1,850000L,1000000L,2000000L); - - while (!oai_exit) { - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 ); - - if (wait_on_condition(&proc->mutex_rxtx,&proc->cond_rxtx,&proc->instance_cnt_rxtx,thread_name)<0) break; - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 1 ); - - - - if (oai_exit) break; - - if (rxtx(eNB,proc,thread_name) < 0) break; - - } // while !oai_exit - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_eNB_PROC_RXTX0+(proc->subframe_rx&1), 0 ); - - printf( "Exiting eNB thread RXn_TXnp4\n"); - - eNB_thread_rxtx_status = 0; - return &eNB_thread_rxtx_status; -} - -#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME) -/* Wait for eNB application initialization to be complete (eNB registration to MME) */ -static void wait_system_ready (char *message, volatile int *start_flag) { - - static char *indicator[] = {". ", ".. ", "... ", ".... ", ".....", - " ....", " ...", " ..", " .", " "}; - int i = 0; - - while ((!oai_exit) && (*start_flag == 0)) { - LOG_N(EMU, message, indicator[i]); - fflush(stdout); - i = (i + 1) % (sizeof(indicator) / sizeof(indicator[0])); - usleep(200000); - } - - LOG_D(EMU,"\n"); -} -#endif - - -// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU) -void fh_if5_asynch_UL(RU_t *ru,int *frame,int *subframe) { - - eNB_proc_t *proc = &eNB->proc; - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - - recv_IF5(eNB, &ru->timestamp_rx, *subframe, IF5_RRH_GW_UL); - - proc->subframe_rx = (ru->timestamp_rx/fp->samples_per_tti)%10; - proc->frame_rx = (ru->timestamp_rx/(10*fp->samples_per_tti))&1023; - - if (proc->first_rx != 0) { - proc->first_rx = 0; - *subframe = proc->subframe_rx; - *frame = proc->frame_rx; - } - else { - if (proc->subframe_rx != *subframe) { - LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe); - exit_fun("Exiting"); - } - if (proc->frame_rx != *frame) { - LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->frame_rx,*frame); - exit_fun("Exiting"); - } - } -} // eNodeB_3GPP_BBU - -// asynchronous UL with IF4p5 (RCC,RAU,eNodeB_BBU) -void fh_if4p5_asynch_UL(RU_t *ru,int *frame,int *subframe) { - - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - eNB_proc_t *proc = &eNB->proc; - - uint16_t packet_type; - uint32_t symbol_number,symbol_mask,symbol_mask_full,prach_rx; - - - symbol_number = 0; - symbol_mask = 0; - symbol_mask_full = (1<symbols_per_tti)-1; - prach_rx = 0; - - do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!! - recv_IF4p5(eNB, &proc->frame_rx, &proc->subframe_rx, &packet_type, &symbol_number); - if (proc->first_rx != 0) { - *frame = proc->frame_rx; - *subframe = proc->subframe_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->subframe_rx != *subframe) { - LOG_E(PHY,"subframe_rx %d is not what we expect %d\n",proc->subframe_rx,*subframe); - exit_fun("Exiting"); - } - } - if (packet_type == IF4p5_PULFFT) { - symbol_mask = symbol_mask | (1<frame_rx, proc->subframe_rx)>0) ? 1 : 0; - } else if (packet_type == IF4p5_PRACH) { - prach_rx = 0; - } - } while( (symbol_mask != symbol_mask_full) || (prach_rx == 1)); - - -} - - -void fh_if5_asynch_DL(RU_t *ru,int *frame,int *subframe) { - - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - eNB_proc_t *proc = &eNB->proc; - int subframe_tx,frame_tx; - openair0_timestamp timestamp_tx; - - recv_IF5(eNB, ×tamp_tx, *subframe, IF5_RRH_GW_DL); - // printf("Received subframe %d (TS %llu) from RCC\n",subframe_tx,timestamp_tx); - - subframe_tx = (timestamp_tx/fp->samples_per_tti)%10; - frame_tx = (timestamp_tx/(fp->samples_per_tti*10))&1023; - - if (proc->first_tx != 0) { - *subframe = subframe_tx; - *frame = frame_tx; - proc->first_tx = 0; - } - else { - if (subframe_tx != *subframe) { - LOG_E(PHY,"subframe_tx %d is not what we expect %d\n",subframe_tx,*subframe); - exit_fun("Exiting"); - } - if (frame_tx != *frame) { - LOG_E(PHY,"frame_tx %d is not what we expect %d\n",frame_tx,*frame); - exit_fun("Exiting"); - } - } -} - -void fh_if4p5_asynch_DL(RU_t *ru,int *frame,int *subframe) { - - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - eNB_proc_t *proc = &eNB->proc; - - uint16_t packet_type; - uint32_t symbol_number,symbol_mask,symbol_mask_full; - int subframe_tx,frame_tx; - - symbol_number = 0; - symbol_mask = 0; - symbol_mask_full = (1<symbols_per_tti)-1; - - do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!! - recv_IF4p5(eNB, &frame_tx, &subframe_tx, &packet_type, &symbol_number); - if (proc->first_tx != 0) { - *frame = frame_tx; - *subframe = subframe_tx; - proc->first_tx = 0; - } - else { - if (frame_tx != *frame) { - LOG_E(PHY,"frame_tx %d is not what we expect %d\n",frame_tx,*frame); - exit_fun("Exiting"); - } - if (subframe_tx != *subframe) { - LOG_E(PHY,"subframe_tx %d is not what we expect %d\n",subframe_tx,*subframe); - exit_fun("Exiting"); - } - } - if (packet_type == IF4p5_PDLFFT) { - symbol_mask = symbol_mask | (1<CC_id]; - - - int subframe=0, frame=0; - - thread_top_init("thread_asynch",1,870000L,1000000L,1000000L); - - // wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe - - wait_sync("thread_asynch"); - - // wait for top-level synchronization and do one acquisition to get timestamp for setting frame/subframe - printf( "waiting for devices (eNB_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 (eNB_thread_asynch_rx)\n"); - - - while (!oai_exit) { - - if (oai_exit) break; - - if (subframe==9) { - subframe=0; - frame++; - frame&=1023; - } else { - subframe++; - } - - if (eNB->fh_asynch) eNB->fh_asynch(eNB,&frame,&subframe); - else AssertFatal(1==0, "Unknown eNB->node_function %d",eNB->node_function); - - } - - eNB_thread_asynch_rxtx_status=0; - return(&eNB_thread_asynch_rxtx_status); -} - - - - - -void rx_rf(RU_t *ru,int *frame,int *subframe) { - - eNB_proc_t *proc = &eNB->proc; - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - void *rxp[fp->nb_antennas_rx],*txp[fp->nb_antennas_tx]; - unsigned int rxs,txs; - int i; - int tx_sfoffset = 3;//(eNB->single_thread_flag == 1) ? 3 : 3; - if (proc->first_rx==0) { - - // Transmit TX buffer based on timestamp from RX - // printf("trx_write -> USRP TS %llu (sf %d)\n", (ru->timestamp_rx+(3*fp->samples_per_tti)),(proc->subframe_rx+2)%10); - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TST, (ru->timestamp_rx+(tx_sfoffset*fp->samples_per_tti)-openair0_cfg[0].tx_sample_advance)&0xffffffff ); - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 1 ); - // prepare tx buffer pointers - - for (i=0; inb_antennas_tx; i++) - txp[i] = (void*)&eNB->common_vars.txdata[0][i][((proc->subframe_rx+tx_sfoffset)%10)*fp->samples_per_tti]; - - txs = eNB->rfdevice.trx_write_func(&eNB->rfdevice, - ru->timestamp_rx+(tx_sfoffset*fp->samples_per_tti)-openair0_cfg[0].tx_sample_advance, - txp, - fp->samples_per_tti, - fp->nb_antennas_tx, - 1); - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_WRITE, 0 ); - - - - if (txs != fp->samples_per_tti) { - LOG_E(PHY,"TX : Timeout (sent %d/%d)\n",txs, fp->samples_per_tti); - exit_fun( "problem transmitting samples" ); - } - } - - for (i=0; inb_antennas_rx; i++) - rxp[i] = (void*)&eNB->common_vars.rxdata[0][i][*subframe*fp->samples_per_tti]; - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 1 ); - - rxs = eNB->rfdevice.trx_read_func(&eNB->rfdevice, - &(ru->timestamp_rx), - rxp, - fp->samples_per_tti, - fp->nb_antennas_rx); - - VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME( VCD_SIGNAL_DUMPER_FUNCTIONS_TRX_READ, 0 ); - - if (proc->first_rx == 1) - eNB->ts_offset = ru->timestamp_rx; - - proc->frame_rx = ((ru->timestamp_rx-eNB->ts_offset) / (fp->samples_per_tti*10))&1023; - proc->subframe_rx = ((ru->timestamp_rx-eNB->ts_offset) / fp->samples_per_tti)%10; - // synchronize first reception to frame 0 subframe 0 - - ru->timestamp_tx = ru->timestamp_rx+(4*fp->samples_per_tti); - //printf("trx_read <- USRP TS %llu (sf %d, f %d, first_rx %d)\n", ru->timestamp_rx,proc->subframe_rx,proc->frame_rx,proc->first_rx); - - if (proc->first_rx == 0) { - if (proc->subframe_rx != *subframe){ - LOG_E(PHY,"Received Timestamp (%llu) doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",ru->timestamp_rx,proc->subframe_rx,*subframe); - 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",ru->timestamp_rx,proc->frame_rx,*frame); - exit_fun("Exiting"); - } - } else { - proc->first_rx = 0; - *frame = proc->frame_rx; - *subframe = proc->subframe_rx; - } - - //printf("timestamp_rx %lu, frame %d(%d), subframe %d(%d)\n",ru->timestamp_rx,proc->frame_rx,frame,proc->subframe_rx,subframe); - - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, ru->timestamp_rx&0xffffffff ); - - if (rxs != fp->samples_per_tti) - exit_fun( "problem receiving samples" ); - - - -} - -void rx_fh_if5(RU_t *ru,int *frame, int *subframe) { - - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - eNB_proc_t *proc = &eNB->proc; - - recv_IF5(eNB, &ru->timestamp_rx, *subframe, IF5_RRH_GW_UL); - - proc->frame_rx = (proc->timestamp_rx / (fp->samples_per_tti*10))&1023; - proc->subframe_rx = (proc->timestamp_rx / fp->samples_per_tti)%10; - - if (proc->first_rx == 0) { - if (proc->subframe_rx != *subframe){ - LOG_E(PHY,"Received Timestamp doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d)\n",proc->subframe_rx,subframe); - 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; - *subframe = proc->subframe_rx; - } - - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff ); - -} - - -void rx_fh_if4p5(RU_t *ru,int *frame,int *subframe) { - - LTE_DL_FRAME_PARMS *fp = &eNB->frame_parms; - eNB_proc_t *proc = &eNB->proc; - - int prach_rx; - - uint16_t packet_type; - uint32_t symbol_number=0; - uint32_t symbol_mask, symbol_mask_full; - - symbol_mask = 0; - symbol_mask_full = (1<symbols_per_tti)-1; - prach_rx = 0; - - do { // Blocking, we need a timeout on this !!!!!!!!!!!!!!!!!!!!!!! - recv_IF4p5(eNB, &proc->frame_rx, &proc->subframe_rx, &packet_type, &symbol_number); - - if (packet_type == IF4p5_PULFFT) { - symbol_mask = symbol_mask | (1<frame_rx, proc->subframe_rx)>0) ? 1 : 0; - } else if (packet_type == IF4p5_PRACH) { - prach_rx = 0; - } - - } while( (symbol_mask != symbol_mask_full) || (prach_rx == 1)); - - //caculate timestamp_rx, timestamp_tx based on frame and subframe - proc->timestamp_rx = ((proc->frame_rx * 10) + proc->subframe_rx ) * fp->samples_per_tti ; - proc->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti); - - - if (proc->first_rx == 0) { - if (proc->subframe_rx != *subframe){ - LOG_E(PHY,"Received Timestamp (IF4p5) doesn't correspond to the time we think it is (proc->subframe_rx %d, subframe %d,CCid %d)\n",proc->subframe_rx,*subframe,eNB->CC_id); - 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,CCid %d)\n",proc->frame_rx,*frame,eNB->CC_id); - exit_fun("Exiting"); - } - } else { - proc->first_rx = 0; - *frame = proc->frame_rx; - *subframe = proc->subframe_rx; - } - - VCD_SIGNAL_DUMPER_DUMP_VARIABLE_BY_NAME( VCD_SIGNAL_DUMPER_VARIABLES_TRX_TS, proc->timestamp_rx&0xffffffff ); - -} - -void rx_fh_slave(RU_t *ru,int *frame,int *subframe) { - // This case is for synchronization to another thread - // it just waits for an external event. The actual rx_fh is handle by the asynchronous RX thread - eNB_proc_t *proc=&eNB->proc; - - if (wait_on_condition(&proc->mutex_FH,&proc->cond_FH,&proc->instance_cnt_FH,"rx_fh_slave") < 0) - return; - - release_thread(&proc->mutex_FH,&proc->instance_cnt_FH,"rx_fh_slave"); - - -} - - -int wakeup_rxtx(eNB_proc_t *proc,eNB_rxtx_proc_t *proc_rxtx,LTE_DL_FRAME_PARMS *fp) { - - int i; - struct timespec wait; - - wait.tv_sec=0; - wait.tv_nsec=5000000L; - - /* accept some delay in processing - up to 5ms */ - for (i = 0; i < 10 && proc_rxtx->instance_cnt_rxtx == 0; i++) { - LOG_W( PHY,"[eNB] Frame %d, eNB RXn-TXnp4 thread busy!! (cnt_rxtx %i)\n", proc_rxtx->frame_tx, proc_rxtx->instance_cnt_rxtx); - usleep(500); - } - if (proc_rxtx->instance_cnt_rxtx == 0) { - exit_fun( "TX thread busy" ); - return(-1); - } - - // wake up TX for subframe n+4 - // lock the TX mutex and make sure the thread is ready - if (pthread_mutex_timedlock(&proc_rxtx->mutex_rxtx,&wait) != 0) { - LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB RXTX thread %d (IC %d)\n", proc_rxtx->subframe_rx&1,proc_rxtx->instance_cnt_rxtx ); - exit_fun( "error locking mutex_rxtx" ); - return(-1); - } - - ++proc_rxtx->instance_cnt_rxtx; - - // 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+4), so TS_tx = TX_rx+4*samples_per_tti, - // and proc->subframe_tx = proc->subframe_rx+4 - proc_rxtx->timestamp_tx = proc->timestamp_rx + (4*fp->samples_per_tti); - proc_rxtx->frame_rx = proc->frame_rx; - proc_rxtx->subframe_rx = proc->subframe_rx; - proc_rxtx->frame_tx = (proc_rxtx->subframe_rx > 5) ? (proc_rxtx->frame_rx+1)&1023 : proc_rxtx->frame_rx; - proc_rxtx->subframe_tx = (proc_rxtx->subframe_rx + 4)%10; - - // the thread can now be woken up - if (pthread_cond_signal(&proc_rxtx->cond_rxtx) != 0) { - LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB RXn-TXnp4 thread\n"); - exit_fun( "ERROR pthread_cond_signal" ); - return(-1); - } - - pthread_mutex_unlock( &proc_rxtx->mutex_rxtx ); - - return(0); -} - -void wakeup_slaves(ru_proc_t *proc) { - - int i; - struct timespec wait; - - wait.tv_sec=0; - wait.tv_nsec=5000000L; - - for (i=0;inum_slaves;i++) { - ru_proc_t *slave_proc = proc->slave_proc[i]; - // wake up slave FH thread - // lock the FH mutex and make sure the thread is ready - if (pthread_mutex_timedlock(&slave_proc->mutex_FH,&wait) != 0) { - LOG_E( PHY, "[eNB] ERROR pthread_mutex_lock for eNB CCid %d slave CCid %d (IC %d)\n",proc->CC_id,slave_proc->CC_id); - exit_fun( "error locking mutex_rxtx" ); - break; - } - - int cnt_slave = ++slave_proc->instance_cnt_FH; - slave_proc->frame_rx = proc->frame_rx; - slave_proc->subframe_rx = proc->subframe_rx; - slave_proc->timestamp_rx = proc->timestamp_rx; - slave_proc->timestamp_tx = proc->timestamp_tx; - - pthread_mutex_unlock( &slave_proc->mutex_FH ); - - if (cnt_slave == 0) { - // the thread was presumably waiting where it should and can now be woken up - if (pthread_cond_signal(&slave_proc->cond_FH) != 0) { - LOG_E( PHY, "[eNB] ERROR pthread_cond_signal for eNB CCid %d, slave CCid %d\n",proc->CC_id,slave_proc->CC_id); - exit_fun( "ERROR pthread_cond_signal" ); - break; - } - } else { - LOG_W( PHY,"[RU] Frame %d, slave CC_id %d thread busy!! (cnt_FH %i)\n",slave_proc->frame_rx,slave_proc->CC_id, cnt_slave); - exit_fun( "FH thread busy" ); - break; - } - } -} - -/*! - * \brief The Fronthaul thread of RRU/RAU/RCC/eNB - * In the case of RRU/eNB, handles interface with external RF - * In the case of RAU/RCC, handles fronthaul interface with RRU/RAU - * \param param is a \ref eNB_proc_t structure which contains the info what to process. - * \returns a pointer to an int. The storage is not on the heap and must not be freed. - */ - -/*! - * \brief The prach receive thread of eNB. - * \param param is a \ref eNB_proc_t structure which contains the info what to process. - * \returns a pointer to an int. The storage is not on the heap and must not be freed. - */ -static void* eNB_thread_prach( void* param ) { - static int eNB_thread_prach_status; - - eNB_proc_t *proc = (eNB_proc_t*)param; - PHY_VARS_eNB *eNB= PHY_vars_eNB_g[0][proc->CC_id]; - - // set default return value - eNB_thread_prach_status = 0; - - thread_top_init("eNB_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,"eNB_prach_thread") < 0) break; - - prach_procedures(eNB); - - if (release_thread(&proc->mutex_prach,&proc->instance_cnt_prach,"eNB_prach_thread") < 0) break; - } - - printf( "Exiting eNB thread PRACH\n"); - - eNB_thread_prach_status = 0; - return &eNB_thread_prach_status; -} - -static void* ru_thread( void* param ) { - - static int ru_thread_status; - - RU_t *ru=(RU_t*)param; - ru_proc_t *proc=ru->proc; - int subframe=0, frame=0; - - // set default return value - ru_thread_status = 0; - - thread_top_init("ru_thread",0,870000,1000000,1000000); - - wait_sync("ru_thread"); - - /* -#if defined(ENABLE_ITTI) && defined(ENABLE_USE_MME) - if (eNB->node_function < NGFI_RRU_IF5) - wait_system_ready ("Waiting for eNB application to be ready %s\r", &start_eNB); -#endif - */ - - // wakeup asnych_rxtx thread because the devices are ready at this point - pthread_mutex_lock(&proc->mutex_asynch_rxtx); - proc->instance_cnt_asynch_rxtx=0; - pthread_mutex_unlock(&proc->mutex_asynch_rxtx); - pthread_cond_signal(&proc->cond_asynch_rxtx); - - // This is a forever while loop, it loops over subframes which are scheduled by incoming samples from HW devices - while (!oai_exit) { - - // these are local subframe/frame counters to check that we are in synch with the fronthaul timing. - // They are set on the first rx/tx in the underly FH routines. - if (subframe==9) { - subframe=0; - frame++; - frame&=1023; - } else { - subframe++; - } - - LOG_D(PHY,"RU thread %p (proc %p), frame %d (%p), subframe %d (%p)\n", - pthread_self(), proc, frame,&frame,subframe,&subframe); - - // synchronization on FH interface, acquire signals/data and block - if (ru->rx_fh) ru->rx_fh(ru,&frame,&subframe); - else AssertFatal(1==0, "No fronthaul interface : eNB->node_function %d",eNB->node_function); - - T(T_ENB_MASTER_TICK, T_INT(0), T_INT(proc->frame_rx), T_INT(proc->subframe_rx)); - /* - // wakeup correct eNB processes - proc_rxtx->subframe_rx = proc->subframe_rx; - proc_rxtx->frame_rx = proc->frame_rx; - proc_rxtx->subframe_tx = (proc->subframe_rx+4)%10; - proc_rxtx->frame_tx = (proc->subframe_rx < 6) ? proc->frame_rx : (proc->frame_rx+1)&1023; - proc_rxtx->timestamp_tx = proc->timestamp_tx; - */ - // At this point, all information for subframe has been received on FH interface - // If this proc is to provide synchronization, do so - wakeup_slaves(proc); - - // wait until eNBs are finished subframe RX n and TX n+4 - - // if (rxtx(eNB,proc_rxtx,"eNB_thread_single") < 0) break; - } - - - printf( "Exiting ru_thread \n"); - - ru_thread_status = 0; - return &ru_thread_status; - -} - -extern void init_fep_thread(PHY_VARS_eNB *, pthread_attr_t *);_ -extern void init_td_thread(PHY_VARS_eNB *, pthread_attr_t *); -extern void init_te_thread(PHY_VARS_eNB *, pthread_attr_t *); - -void init_eNB_proc(int inst) { - - int i; - int CC_id; - PHY_VARS_eNB *eNB; - eNB_proc_t *proc; - eNB_rxtx_proc_t *proc_rxtx; - pthread_attr_t *attr0=NULL,*attr1=NULL,*attr_prach=NULL,*attr_asynch=NULL,*attr_single=NULL,*attr_fep=NULL,*attr_td=NULL,*attr_te; - - for (CC_id=0; CC_idnode_function],eNB_timing[eNB->node_timing]); - proc = &eNB->proc; - - proc_rxtx = proc->proc_rxtx; - proc_rxtx[0].instance_cnt_rxtx = -1; - proc_rxtx[1].instance_cnt_rxtx = -1; - proc->instance_cnt_prach = -1; - proc->instance_cnt_asynch_rxtx = -1; - proc->CC_id = CC_id; - - proc->first_rx=1; - proc->first_tx=1; - - pthread_mutex_init( &proc_rxtx[0].mutex_rxtx, NULL); - pthread_mutex_init( &proc_rxtx[1].mutex_rxtx, NULL); - pthread_cond_init( &proc_rxtx[0].cond_rxtx, NULL); - pthread_cond_init( &proc_rxtx[1].cond_rxtx, NULL); - - pthread_mutex_init( &proc->mutex_prach, NULL); - pthread_mutex_init( &proc->mutex_asynch_rxtx, NULL); - - pthread_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_single); - pthread_attr_init( &proc->attr_fep); - pthread_attr_init( &proc->attr_td); - pthread_attr_init( &proc->attr_te); - pthread_attr_init( &proc_rxtx[0].attr_rxtx); - pthread_attr_init( &proc_rxtx[1].attr_rxtx); -#ifndef DEADLINE_SCHEDULER - attr0 = &proc_rxtx[0].attr_rxtx; - attr1 = &proc_rxtx[1].attr_rxtx; - attr_prach = &proc->attr_prach; - attr_asynch = &proc->attr_asynch_rxtx; - attr_single = &proc->attr_single; - attr_fep = &proc->attr_fep; - attr_td = &proc->attr_td; - attr_te = &proc->attr_te; -#endif - - if (eNB->single_thread_flag==0) { - pthread_create( &proc_rxtx[0].pthread_rxtx, attr0, eNB_thread_rxtx, &proc_rxtx[0] ); - pthread_create( &proc_rxtx[1].pthread_rxtx, attr1, eNB_thread_rxtx, &proc_rxtx[1] ); - } - else { - pthread_create(&proc->pthread_single, attr_single, eNB_thread_single, &eNB->proc); - init_fep_thread(eNB,attr_fep); - init_td_thread(eNB,attr_td); - init_te_thread(eNB,attr_te); - } - pthread_create( &proc->pthread_prach, attr_prach, eNB_thread_prach, &eNB->proc ); - if ((eNB->node_timing == synch_to_other) || - (eNB->node_function == NGFI_RRU_IF5) || - (eNB->node_function == NGFI_RRU_IF4p5)) - pthread_create( &proc->pthread_asynch_rxtx, attr_asynch, eNB_thread_asynch_rxtx, &eNB->proc ); - - char name[16]; - if (eNB->single_thread_flag == 0) { - snprintf( name, sizeof(name), "RXTX0 %d", i ); - pthread_setname_np( proc_rxtx[0].pthread_rxtx, name ); - snprintf( name, sizeof(name), "RXTX1 %d", i ); - pthread_setname_np( proc_rxtx[1].pthread_rxtx, name ); - } - else { - snprintf( name, sizeof(name), " %d", i ); - pthread_setname_np( proc->pthread_single, name ); - } - } - - //for multiple CCs: setup master and slaves - /* - for (CC_id=0; CC_idnode_timing == synch_to_ext_device) { //master - eNB->proc.num_slaves = MAX_NUM_CCs-1; - eNB->proc.slave_proc = (eNB_proc_t**)malloc(eNB->proc.num_slaves*sizeof(eNB_proc_t*)); - - for (i=0; i< eNB->proc.num_slaves; i++) { - if (i < CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i]->proc); - if (i >= CC_id) eNB->proc.slave_proc[i] = &(PHY_vars_eNB_g[inst][i+1]->proc); - } - } - }*/ - - - /* setup PHY proc TX sync mechanism */ - pthread_mutex_init(&sync_phy_proc.mutex_phy_proc_tx, NULL); - pthread_cond_init(&sync_phy_proc.cond_phy_proc_tx, NULL); - sync_phy_proc.phy_proc_CC_id = 0; -} - - - -/*! - * \brief Terminate eNB TX and RX threads. - */ -void kill_eNB_proc(int inst) { - - int *status; - PHY_VARS_eNB *eNB; - eNB_proc_t *proc; - eNB_rxtx_proc_t *proc_rxtx; - for (int CC_id=0; CC_idproc; - proc_rxtx = &proc->proc_rxtx[0]; - -#ifdef DEBUG_THREADS - printf( "Killing TX CC_id %d thread %d\n", CC_id, i ); -#endif - - proc_rxtx[0].instance_cnt_rxtx = 0; // FIXME data race! - proc_rxtx[1].instance_cnt_rxtx = 0; // FIXME data race! - proc->instance_cnt_prach = 0; - pthread_cond_signal( &proc_rxtx[0].cond_rxtx ); - pthread_cond_signal( &proc_rxtx[1].cond_rxtx ); - pthread_cond_signal( &proc->cond_prach ); - pthread_cond_broadcast(&sync_phy_proc.cond_phy_proc_tx); - - pthread_join( proc->pthread_FH, (void**)&status ); - pthread_mutex_destroy( &proc->mutex_FH ); - pthread_cond_destroy( &proc->cond_FH ); - - pthread_join( proc->pthread_prach, (void**)&status ); - pthread_mutex_destroy( &proc->mutex_prach ); - pthread_cond_destroy( &proc->cond_prach ); - - int i; - for (i=0;i<2;i++) { - pthread_join( proc_rxtx[i].pthread_rxtx, (void**)&status ); - pthread_mutex_destroy( &proc_rxtx[i].mutex_rxtx ); - pthread_cond_destroy( &proc_rxtx[i].cond_rxtx ); - } - } -} - - -/* this function maps the phy_vars_eNB 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 CC, on which rf chain the mapping should start. Multiple - antennas are mapped to successive RF chains on the same card. */ -int setup_eNB_buffers(PHY_VARS_eNB **phy_vars_eNB, openair0_config_t *openair0_cfg) { - - int i, CC_id; - int j; - - uint16_t N_TA_offset = 0; - - LTE_DL_FRAME_PARMS *frame_parms; - - for (CC_id=0; CC_idframe_parms); - printf("setup_eNB_buffers: frame_parms = %p\n",frame_parms); - } else { - printf("phy_vars_eNB[%d] not initialized\n", CC_id); - return(-1); - } - - if (frame_parms->frame_type == TDD) { - if (frame_parms->N_RB_DL == 100) - N_TA_offset = 624; - else if (frame_parms->N_RB_DL == 50) - N_TA_offset = 624/2; - else if (frame_parms->N_RB_DL == 25) - N_TA_offset = 624/4; - } - - - - if (openair0_cfg[CC_id].mmapped_dma == 1) { - // replace RX signal buffers with mmaped HW versions - - for (i=0; inb_antennas_rx; i++) { - printf("Mapping eNB CC_id %d, rx_ant %d\n",CC_id,i); - free(phy_vars_eNB[CC_id]->common_vars.rxdata[0][i]); - phy_vars_eNB[CC_id]->common_vars.rxdata[0][i] = openair0_cfg[CC_id].rxbase[i]; - - - - printf("rxdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->common_vars.rxdata[0][i]); - - for (j=0; j<16; j++) { - printf("rxbuffer %d: %x\n",j,phy_vars_eNB[CC_id]->common_vars.rxdata[0][i][j]); - phy_vars_eNB[CC_id]->common_vars.rxdata[0][i][j] = 16-j; - } - } - - for (i=0; inb_antennas_tx; i++) { - printf("Mapping eNB CC_id %d, tx_ant %d\n",CC_id,i); - free(phy_vars_eNB[CC_id]->common_vars.txdata[0][i]); - phy_vars_eNB[CC_id]->common_vars.txdata[0][i] = openair0_cfg[CC_id].txbase[i];//(int32_t*) openair0_exmimo_pci[rf_map[CC_id].card].dac_head[rf_map[CC_id].chain+i]; - - printf("txdata[%d] @ %p\n",i,phy_vars_eNB[CC_id]->common_vars.txdata[0][i]); - - for (j=0; j<16; j++) { - printf("txbuffer %d: %x\n",j,phy_vars_eNB[CC_id]->common_vars.txdata[0][i][j]); - phy_vars_eNB[CC_id]->common_vars.txdata[0][i][j] = 16-j; - } - } - } - else { // not memory-mapped DMA - - - rxdata = (int32_t**)malloc16(frame_parms->nb_antennas_rx*sizeof(int32_t*)); - txdata = (int32_t**)malloc16(frame_parms->nb_antennas_tx*sizeof(int32_t*)); - - for (i=0; inb_antennas_rx; i++) { - free(phy_vars_eNB[CC_id]->common_vars.rxdata[0][i]); - rxdata[i] = (int32_t*)(32 + malloc16(32+frame_parms->samples_per_tti*10*sizeof(int32_t))); // FIXME broken memory allocation - phy_vars_eNB[CC_id]->common_vars.rxdata[0][i] = rxdata[i]-N_TA_offset; // N_TA offset for TDD FIXME! N_TA_offset > 16 => access of unallocated memory - memset(rxdata[i], 0, frame_parms->samples_per_tti*10*sizeof(int32_t)); - printf("rxdata[%d] @ %p (%p) (N_TA_OFFSET %d)\n", i, phy_vars_eNB[CC_id]->common_vars.rxdata[0][i],rxdata[i],N_TA_offset); - } - - for (i=0; inb_antennas_tx; i++) { - free(phy_vars_eNB[CC_id]->common_vars.txdata[0][i]); - txdata[i] = (int32_t*)(32 + malloc16(32 + frame_parms->samples_per_tti*10*sizeof(int32_t))); // FIXME broken memory allocation - phy_vars_eNB[CC_id]->common_vars.txdata[0][i] = txdata[i]; - memset(txdata[i],0, frame_parms->samples_per_tti*10*sizeof(int32_t)); - printf("txdata[%d] @ %p\n", i, phy_vars_eNB[CC_id]->common_vars.txdata[0][i]); - } - } - } - - return(0); -} - - -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 ENB Thread", NULL, NULL); - print_meas(&softmodem_stats_hw, "HW Acquisation", NULL, NULL); - - for (sfn=0; sfn < 10; sfn++) { - print_meas(&softmodem_stats_rxtx_sf,"[eNB][total_phy_proc_rxtx]",NULL, NULL); - print_meas(&softmodem_stats_rx_sf,"[eNB][total_phy_proc_rx]",NULL,NULL); - } -} - -int start_if(PHY_VARS_eNB *eNB) { - return(eNB->ifdevice.trx_start_func(&eNB->ifdevice)); -} - -int start_rf(PHY_VARS_eNB *eNB) { - return(eNB->rfdevice.trx_start_func(&eNB->rfdevice)); -} - -extern void eNB_fep_rru_if5(PHY_VARS_eNB *eNB); -extern void eNB_fep_full(PHY_VARS_eNB *eNB); -extern void eNB_fep_full_2thread(PHY_VARS_eNB *eNB); -extern void do_prach(PHY_VARS_eNB *eNB); - -void init_RU(RAN_CONTEXT *rc, eNB_func_t node_function, RU_if_in_t ru_if_in[], RU_if_timing_t ru_if_timing[], eth_params_t *eth_params) { - - int ru_id; - - for (ru_id=0;ru_idnb_RU;ru_id++) { - ru = &rc.ru_desc[ru_id]; - ru->RU_if_in[ru_id] = ru_if_in[ru_id]; - ru->RU_if_timing = ru_if_timing[ru_id]; - LOG_I(PHY,"Initializing RRU descriptor %d : (%s,%s)\n",ru_id,ru_if_types[ru_if_in[ru_id]],eNB_timing[ru_timing[ru_id]]); - - switch (ru->RU_if_in[ru_id]) { - case LOCAL_RF: // this is an RRU or eNB with integrated RF - if (node_function == NGFI_RRU_IF5) { - ru->do_prach = NULL; // no prach processing - ru->fep_rx = eNB_fep_rru_if5; // need only to do send_IF5 - ru->fep_tx = NULL; // nothing (this is a time-domain signal) - ru->fh_asynch = fh_if5_asynch_DL; // TX packets come asynchronously - ru->start_if = start_if; // need to start the if interface for if5 - ru->ifdevice.host_type = RRH_HOST; - ru->rfdevice.host_type = RRH_HOST; - } - else if (node_function == NGFI_RRU_IF4p5) { - ru->do_prach = do_prach; // IF4p5 needs to do part of prach processing in RRU - ru->fep_rx = ru_fep_full; // this is DFTs + send_IF4p5 - ru->fep_tx = ru_fep_idft; // this is fep with idft only (no precoding in RRU) - ru->fh_asynch = fh_if4p5_asynch_DL; // TX packets come asynchronously - ru->start_if = start_if; // need to start the if interface for if4p5 - ru->ifdevice.host_type = RRH_HOST; - ru->rfdevice.host_type = RRH_HOST; - } - else if (node_function == eNodeB_3GPP) { - ru->do_prach = NULL; // prach is done completely in eNB processing - ru->fep_rx = eNB_fep_full; // this is DFTs only - ru->fep_tx = pc_fep_idft_prec; // this is fep with idft and precoding - ru->fh_asynch = NULL; // no incoming fronthaul - ru->start_if = NULL; // no if interface - ru->rfdevice.host_type = BBU_HOST; - } - ru->rx_fh = rx_rf; // local synchronous RF RX - ru->tx_fh = NULL; // nothing connected directly to radio - ru->start_rf = start_rf; // need to start the local RF interface - - ret = openair0_device_load(&ru->rfdevice, &openair0_cfg[ru_id]); - if (setup_RU_buffers(rc,ru_id,&openair0_cfg[ru_id])!=0) { - printf("Exiting, cannot initialize eNodeB Buffers\n"); - exit(-1); - } - break; - - case REMOTE_IF5: // the remote unit is IF5 RRU - ru->do_prach = NULL; // no prach processing in RU - ru->fep_rx = eNB_fep_full; // this is DFTs - ru->fep_tx = pc_fep_tx_rru_if5; // need to do transmit Precoding + FEP + IF5 fronthaul - if (ru->RU_if_timing == synch_to_other) { - ru->rx_fh = rx_fh_slave; // synchronize to master - ru->tx_fh = tx_fh_if5_mobipass; // use send_IF5 for mobipass - ru->fh_asynch = fh_if5_asynch_UL; // UL is asynchronous - } - else { - ru->tx_fh = tx_fh_if5; // synchronous IF5 transmission - ru->rx_fh = rx_fh_if5; // synchronous IF5 reception - ru->fh_asynch = NULL; // no asynchronous UL - } - ru->start_rf = NULL; // no local RF - ru->start_if = start_if; // need to start if interface for IF5 - ru->fh_asynch = fh_if5_asynch_DL; - ru->ifdevice.host_type = BBU_HOST; - - ret = openair0_transport_load(&ru->ifdevice, &openair0_cfg[ru_id], (eth_params+ru_id)); - printf("openair0_transport_init returns %d for ru_id %d\n",ret,ru_id); - if (ret<0) { - printf("Exiting, cannot initialize transport protocol\n"); - exit(-1); - } - break; - - case REMOTE_IF4p5: - ru->do_prach = NULL; // no prach processing in RU - ru->fep_rx = eNB_fep_full; // this is DFTs - ru->fep_tx = proc_tx_high; // need to do transmit Precoding + IF4p5 fronthaul (no IDFTs) - ru->tx_fh = tx_fh_if4p5; // synchronous IF5 transmission - ru->rx_fh = rx_fh_if4p5; // synchronous IF5 reception - ru->fh_asynch = (ru->RU_if_timing == synch_to_other) ? fh_if4p5_asynch_UL : NULL; // asynchronous UL if synch_to_other - - ru->start_rf = NULL; // no local RF - ru->start_if = start_if; // need to start if interface for IF4p5 - ru->fh_asynch = fh_if5_asynch_DL; - ru->ifdevice.host_type = BBU_HOST; - - ret = openair0_transport_load(&ru->ifdevice, &openair0_cfg[ru_id], (eth_params+ru_id)); - printf("openair0_transport_init returns %d for ru_id %d\n",ret,ru_id); - if (ret<0) { - printf("Exiting, cannot initialize transport protocol\n"); - exit(-1); - } - - malloc_IF4p5_buffer(eNB); - - break; - - case REMOTE_IF1pp: - LOG_E(PHY,"RU with IF1pp not supported yet\n"); - break; - - } // switch on interface type - - } // for ru_id - - sleep(1); - LOG_D(HW,"[lte-softmodem.c] eNB threads created\n"); - - -} - -void init_RAN(RAN_CONTEXT *rc,eNB_func_t node_function[], eNB_timing_t node_timing[],eth_params_t *eth_params,int single_thread_flag) { - - int CC_id; - int inst; - PHY_VARS_eNB *eNB; - int ret; - - for (inst=0;instnb_inst;inst++) { - for (CC_id=0;CC_idnb_CC;CC_id++) { - eNB = rc->eNB[inst][CC_id]; - if (eNB) { - eNB->node_function = node_function[CC_id]; - eNB->node_timing = node_timing[CC_id]; - eNB->abstraction_flag = 0; - eNB->single_thread_flag = single_thread_flag; - eNB->ts_offset = 0; - LOG_I(PHY,"Initializing eNB %d CC_id %d : (%s,%s)\n",inst,CC_id,eNB_functions[node_function[CC_id]],eNB_timing[node_timing[CC_id]]); - - switch (node_function[CC_id]) { - case NGFI_RRU_IF5: - eNB->td = NULL; - eNB->te = NULL; - eNB->proc_uespec_rx = NULL; - eNB->proc_tx = NULL; - break; - case NGFI_RRU_IF4p5: - eNB->td = NULL; - eNB->te = NULL; - eNB->proc_uespec_rx = NULL; - eNB->proc_tx = NULL;//proc_tx_rru_if4p5; - break; - case eNodeB_3GPP: - eNB->do_prach = do_prach; - eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data; - eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding; - eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX; - eNB->proc_tx = proc_tx_full; - break; - case eNodeB_3GPP_BBU: - eNB->do_prach = do_prach; - eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data; - eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding; - eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX; - eNB->proc_tx = proc_tx_full; - break; - case NGFI_RCC_IF4p5: - eNB->do_prach = do_prach; - eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data; - eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding; - eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX; - eNB->proc_tx = proc_tx_high; - break; - case NGFI_RAU_IF4p5: - eNB->do_prach = do_prach; - eNB->td = ulsch_decoding_data;//(single_thread_flag==1) ? ulsch_decoding_data_2thread : ulsch_decoding_data; - eNB->te = dlsch_encoding;//(single_thread_flag==1) ? dlsch_encoding_2threads : dlsch_encoding; - eNB->proc_uespec_rx = phy_procedures_eNB_uespec_RX; - eNB->proc_tx = proc_tx_high; - break; - } - // initialize eNB procedure threads if needed - init_eNB_proc(rc,inst); - } - } - } - sleep(1); - LOG_D(HW,"[lte-softmodem.c] eNB threads created\n"); - - -} - - -void stop_eNB(int nb_inst) { - - for (int inst=0;inst