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Remove unused emu_transport.c

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This commit is contained in:
Robert Schmidt
2024-07-30 20:00:40 +02:00
parent 6da87cf062
commit 8365630946
2 changed files with 0 additions and 545 deletions
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openair1/SIMULATION/ETH_TRANSPORT/emu_transport.c
-517
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@@ -1,517 +0,0 @@
/*
* Licensed to the OpenAirInterface (OAI) Software Alliance under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The OpenAirInterface Software Alliance licenses this file to You under
* the OAI Public License, Version 1.1 (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 phy_emulation.c
* \brief implements the underlying protocol for emulated data exchange over Ethernet using IP multicast
* \author Navid Nikaein
* \date 2011 - 2014
* \version 1.1
* \company Eurecom
* \email: navid.nikaein@eurecom.fr
*/
#include "PHY/defs.h"
#include "PHY/extern.h"
#include "common/ran_context.h"
#include "defs.h"
#include "extern.h"
#include "proto.h"
#include "UTIL/LOG/log.h"
#include "UTIL/LOG/vcd_signal_dumper.h"
#include "openair1/SIMULATION/ETH_TRANSPORT/extern.h"
unsigned char Emulation_status;
unsigned char emu_tx_status;
unsigned char emu_rx_status;
#if !defined(ENABLE_NEW_MULTICAST)
pthread_mutex_t Tx_mutex;
pthread_cond_t Tx_cond;
char Tx_mutex_var;
#endif
/* Handlers for RX and TX */
rx_handler_t rx_handler;
tx_handler_t tx_handler;
eNB_transport_info_t eNB_transport_info[NUMBER_OF_eNB_MAX][MAX_NUM_CCs];
uint16_t eNB_transport_info_TB_index[NUMBER_OF_eNB_MAX][MAX_NUM_CCs];
UE_transport_info_t UE_transport_info[NUMBER_OF_UE_MAX][MAX_NUM_CCs];
UE_cntl ue_cntl_delay[NUMBER_OF_UE_MAX][MAX_NUM_CCs][2];
extern unsigned int Master_list_rx;
extern unsigned char NB_INST;
//#define DEBUG_CONTROL 1
//#define DEBUG_EMU 1
void emu_transport_sync(void)
{
LOG_D(EMU, "Entering EMU transport SYNC is primary master %d\n",
oai_emulation.info.is_primary_master);
if (oai_emulation.info.is_primary_master == 0) {
retry:
bypass_tx_data(WAIT_SM_TRANSPORT,0,0);
// just wait to recieve the master 0 msg
Master_list_rx = oai_emulation.info.master_list - 1;
if (bypass_rx_data(0,0,0,1) == -1) {
/* In case the master is not ready at time we send the first message */
sleep(1);
goto retry;
}
} else {
bypass_rx_data(0,0,0,0);
bypass_tx_data(WAIT_PM_TRANSPORT,0,0);
}
if (oai_emulation.info.master_list!=0) {
retry2:
bypass_tx_data(SYNC_TRANSPORT,0,0);
if (bypass_rx_data(0,0,0,0) == -1) {
goto retry2;
}
// i received the sync from all secondary masters
if (emu_rx_status == SYNCED_TRANSPORT) {
emu_tx_status = SYNCED_TRANSPORT;
}
LOG_D(EMU,"TX secondary master SYNC_TRANSPORT state \n");
}
LOG_D(EMU, "Leaving EMU transport SYNC is primary master %d\n",
oai_emulation.info.is_primary_master);
}
void emu_transport(unsigned int frame, unsigned int last_slot,
unsigned int next_slot,lte_subframe_t direction,
unsigned char frame_type,
int ethernet_flag )
{
if (ethernet_flag == 0) {
return;
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(
VCD_SIGNAL_DUMPER_FUNCTIONS_EMU_TRANSPORT, VCD_FUNCTION_IN);
if ((frame_type == 1) && (direction == SF_S)) {
if ((next_slot % 2) == 0) {
emu_transport_DL(frame, last_slot, next_slot);
} else {
emu_transport_UL(frame, last_slot , next_slot);
}
//DL
} else {
if ((next_slot % 2) == 0) {
if (((frame_type == 1) && (direction == SF_DL )) || (frame_type == 0) ) {
emu_transport_DL(frame, last_slot, next_slot);
}
}
// UL
if (((frame_type == 1) && (direction == SF_UL)) || (frame_type == 0) ) {
emu_transport_UL(frame, last_slot, next_slot);
}
}
VCD_SIGNAL_DUMPER_DUMP_FUNCTION_BY_NAME(
VCD_SIGNAL_DUMPER_FUNCTIONS_EMU_TRANSPORT, VCD_FUNCTION_OUT);
}
void emu_transport_DL(unsigned int frame, unsigned int last_slot,
unsigned int next_slot)
{
LOG_D(EMU, "Entering EMU transport DL, is primary master %d\n",
oai_emulation.info.is_primary_master);
if (oai_emulation.info.is_primary_master == 0) {
if (oai_emulation.info.nb_enb_local > 0) { // send in DL if
bypass_tx_data(ENB_TRANSPORT, frame, next_slot);
bypass_rx_data(frame, last_slot, next_slot, 1);
} else {
bypass_tx_data(WAIT_SM_TRANSPORT,frame,next_slot);
bypass_rx_data(frame, last_slot, next_slot, 0);
}
} else { // PM
if (oai_emulation.info.nb_enb_local>0) { // send in DL if
bypass_rx_data(frame, last_slot, next_slot, 1);
bypass_tx_data(ENB_TRANSPORT, frame, next_slot);
} else {
bypass_rx_data(frame, last_slot, next_slot, 0);
bypass_tx_data(WAIT_SM_TRANSPORT,frame,next_slot);
}
}
LOG_D(EMU, "Leaving EMU transport DL, is primary master %d\n",
oai_emulation.info.is_primary_master);
}
void emu_transport_UL(unsigned int frame, unsigned int last_slot,
unsigned int next_slot)
{
LOG_D(EMU, "Entering EMU transport UL, is primary master %d\n",
oai_emulation.info.is_primary_master);
if (oai_emulation.info.is_primary_master == 0) {
if (oai_emulation.info.nb_ue_local > 0) {
bypass_tx_data(UE_TRANSPORT, frame, next_slot);
bypass_rx_data(frame, last_slot, next_slot, 1);
} else {
bypass_tx_data(WAIT_SM_TRANSPORT, frame, next_slot);
bypass_rx_data(frame,last_slot, next_slot, 0);
}
} else {
if (oai_emulation.info.nb_ue_local > 0) {
bypass_rx_data(frame, last_slot, next_slot, 1);
bypass_tx_data(UE_TRANSPORT, frame, next_slot);
} else {
bypass_rx_data(frame,last_slot, next_slot, 0);
bypass_tx_data(WAIT_SM_TRANSPORT, frame, next_slot);
}
}
LOG_D(EMU, "Leaving EMU transport UL, is primary master %d\n",
oai_emulation.info.is_primary_master);
}
void emu_transport_release(void)
{
bypass_tx_data(RELEASE_TRANSPORT,0,0);
LOG_E(EMU," tx RELEASE_TRANSPORT \n");
}
unsigned int emul_tx_handler(unsigned char Mode,char *Tx_buffer,
unsigned int *Nbytes,unsigned int *Nb_flows)
{
return *Nbytes;
}
unsigned int emul_rx_data(void)
{
return(0);
}
unsigned int emul_rx_handler(unsigned char Mode,char *rx_buffer,
unsigned int Nbytes)
{
unsigned short Rx_size=0;
return (Rx_size+2);
}
void clear_eNB_transport_info(uint8_t nb_eNB)
{
uint8_t eNB_id;
uint8_t CC_id;
for (eNB_id=0; eNB_id<nb_eNB; eNB_id++) {
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
eNB_transport_info_TB_index[eNB_id][CC_id]=0;
memset((void *)&eNB_transport_info[eNB_id][CC_id].cntl,0,sizeof(eNB_cntl));
eNB_transport_info[eNB_id][CC_id].num_common_dci=0;
eNB_transport_info[eNB_id][CC_id].num_ue_spec_dci=0;
}
}
#ifdef DEBUG_EMU
LOG_D(EMU, "EMUL clear_eNB_transport_info\n");
#endif
}
void clear_UE_transport_info(uint8_t nb_UE)
{
uint8_t UE_id,CC_id;
for (UE_id=0; UE_id<nb_UE; UE_id++)
for (CC_id=0; CC_id<MAX_NUM_CCs; CC_id++) {
memset((void *)&UE_transport_info[UE_id][CC_id].cntl,0,sizeof(UE_cntl));
}
#ifdef DEBUG_EMU
LOG_D(EMU, "EMUL clear_UE_transport_info\n");
#endif
}
void fill_phy_enb_vars(unsigned int enb_id, uint8_t CC_id,unsigned int next_slot)
{
int n_dci = 0, n_dci_dl;
int payload_offset = 0;
unsigned int harq_pid;
LTE_eNB_DLSCH_t *dlsch_eNB;
unsigned short ue_id;
uint8_t nb_total_dci;
// eNB
// PBCH : copy payload
*(uint32_t *)RC.eNB[enb_id][CC_id]->pbch_pdu =
eNB_transport_info[enb_id][CC_id].cntl.pbch_payload;
/* LOG_I(EMU," RX slot %d ENB TRANSPORT pbch payload %d pdu[0] %d pdu[0] %d \n",
next_slot ,
eNB_transport_info[enb_id][CC_id].cntl.pbch_payload,
((uint8_t*)RC.eNB[enb_id]->pbch_pdu)[0],
((uint8_t*)RC.eNB[enb_id]->pbch_pdu)[1]);
*/
// }
//CFI
// not needed yet
//PHICH
// to be added later
//DCI
nb_total_dci= eNB_transport_info[enb_id][CC_id].num_pmch +
eNB_transport_info[enb_id][CC_id].num_ue_spec_dci +
eNB_transport_info[enb_id][CC_id].num_common_dci;
RC.eNB[enb_id][CC_id]->num_ue_spec_dci[(next_slot>>1)&1] =
eNB_transport_info[enb_id][CC_id].num_ue_spec_dci;
RC.eNB[enb_id][CC_id]->num_common_dci[(next_slot>>1)&1] =
eNB_transport_info[enb_id][CC_id].num_common_dci;
#ifdef DEBUG_EMU
LOG_D(EMU, "Fill phy vars eNB %d for slot %d, DCI found %d \n",
enb_id, next_slot, nb_total_dci);
#endif
if (nb_total_dci >0) {
memcpy(RC.eNB[enb_id][CC_id]->dci_alloc[(next_slot>>1)&1],
eNB_transport_info[enb_id][CC_id].dci_alloc,
(nb_total_dci) * sizeof(DCI_ALLOC_t));
n_dci_dl=0;
// fill dlsch_eNB structure from DCI
for (n_dci = 0; n_dci < nb_total_dci; n_dci++) {
//exclude ul dci
if ((eNB_transport_info[enb_id][CC_id].dci_alloc[n_dci_dl].format > 0) || (eNB_transport_info[enb_id][CC_id].num_pmch > 0 )) {
#ifdef DEBUG_EMU
LOG_D(EMU, "dci spec %d common %d pmch %d tbs is %d payload offset %d\n",
eNB_transport_info[enb_id][CC_id].num_ue_spec_dci,
eNB_transport_info[enb_id][CC_id].num_common_dci,
eNB_transport_info[enb_id][CC_id].num_pmch,
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl],
payload_offset);
#endif
switch (eNB_transport_info[enb_id][CC_id].dlsch_type[n_dci_dl]) {
case 0: //SI:
memcpy(RC.eNB[enb_id][CC_id]->dlsch_SI->harq_processes[0]->b,
&eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset],
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#ifdef DEBUG_EMU
LOG_D(EMU, "SI eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]%d \n",
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#endif
break;
case 1: //RA:
memcpy(RC.eNB[enb_id][CC_id]->dlsch_ra->harq_processes[0]->b,
&eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset],
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#ifdef DEBUG_EMU
LOG_D(EMU, "RA eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]%d \n",
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#endif
break;
case 2://TB0:
harq_pid = eNB_transport_info[enb_id][CC_id].harq_pid[n_dci_dl];
ue_id = eNB_transport_info[enb_id][CC_id].ue_id[n_dci_dl];
RC.eNB[enb_id][CC_id]->dlsch[ue_id][0]->rnti=
eNB_transport_info[enb_id][CC_id].dci_alloc[n_dci_dl].rnti;
dlsch_eNB = RC.eNB[enb_id][CC_id]->dlsch[ue_id][0];
#ifdef DEBUG_EMU
LOG_D(EMU,
" enb_id %d ue id is %d rnti is %x dci index %d, harq_pid %d tbs %d \n",
enb_id, ue_id, eNB_transport_info[enb_id][CC_id].dci_alloc[n_dci_dl].rnti,
n_dci_dl, harq_pid, eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
for (i=0; i<eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]; i++) {
LOG_T(EMU, "%x.",
(unsigned char) eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset+i]);
}
#endif
memcpy(dlsch_eNB->harq_processes[harq_pid]->b,
&eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset],
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
break;
case 3://TB1:
harq_pid = eNB_transport_info[enb_id][CC_id].harq_pid[n_dci_dl];
ue_id = eNB_transport_info[enb_id][CC_id].ue_id[n_dci_dl];
RC.eNB[enb_id][CC_id]->dlsch[ue_id][1]->rnti=
eNB_transport_info[enb_id][CC_id].dci_alloc[n_dci_dl].rnti;
dlsch_eNB = RC.eNB[enb_id][CC_id]->dlsch[ue_id][1];
memcpy(dlsch_eNB->harq_processes[harq_pid]->b,
&eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset],
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
break;
case 5:
memcpy(RC.eNB[enb_id][CC_id]->dlsch_MCH->harq_processes[0]->b,
&eNB_transport_info[enb_id][CC_id].transport_blocks[payload_offset],
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#ifdef DEBUG_EMU
LOG_D(EMU, "PMCH eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl] %d \n",
eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl]);
#endif
break;
default:
LOG_W(EMU,"not supported dlsch type %d \n", eNB_transport_info[enb_id][CC_id].dlsch_type[n_dci_dl]);
break;
}
payload_offset += eNB_transport_info[enb_id][CC_id].tbs[n_dci_dl];
}
n_dci_dl++;
}
#ifdef DEBUG_EMU
LOG_D(EMU, "Fill phy eNB vars done next slot %d !\n", next_slot);
#endif
}
}
void fill_phy_ue_vars(unsigned int ue_id, uint8_t CC_id,unsigned int last_slot)
{
int n_enb;//index
int enb_id;
// int harq_id;
// int payload_offset = 0;
unsigned short rnti;
unsigned int harq_pid;
LTE_UE_ULSCH_t *ulsch;
PUCCH_FMT_t pucch_format;
// uint8_t ue_transport_info_index[NUMBER_OF_eNB_MAX];
uint8_t subframe = (last_slot+1)>>1;
memcpy(&ue_cntl_delay[ue_id][CC_id][(last_slot+1)%2], &UE_transport_info[ue_id][CC_id].cntl,
sizeof(UE_cntl));
#ifdef DEBUG_EMU
LOG_D(EMU,
"Last slot %d subframe %d CC_id %d: Fill phy vars UE %d : PRACH is (%d,%d) preamble (%d,%d) SR (%d,%d), pucch_sel (%d, %d)\n",
last_slot,subframe,CC_id, ue_id,
UE_transport_info[ue_id][CC_id].cntl.prach_flag,
ue_cntl_delay[ue_id][CC_id][last_slot%2].prach_flag,
UE_transport_info[ue_id][CC_id].cntl.prach_id,
ue_cntl_delay[ue_id][CC_id][last_slot%2].prach_id,
UE_transport_info[ue_id][CC_id].cntl.sr,
ue_cntl_delay[ue_id][CC_id][last_slot%2].sr,
UE_transport_info[ue_id][CC_id].cntl.pucch_sel,
ue_cntl_delay[ue_id][CC_id][last_slot%2].pucch_sel);
#endif
//ue_cntl_delay[subframe%2].prach_flag ;
PHY_vars_UE_g[ue_id][CC_id]->generate_prach = ue_cntl_delay[ue_id][CC_id][last_slot%2].prach_flag;//UE_transport_info[ue_id][CC_id].cntl.prach_flag;
if (PHY_vars_UE_g[ue_id][CC_id]->generate_prach == 1) {
// if (PHY_vars_UE_g[ue_id][CC_id]->prach_resources[enb_id] == NULL)
// PHY_vars_UE_g[ue_id][CC_id]->prach_resources[enb_id] = malloc(sizeof(PRACH_RESOURCES_t));
//ue_cntl_delay[subframe%2].prach_id;
PHY_vars_UE_g[ue_id][CC_id]->prach_PreambleIndex =
ue_cntl_delay[ue_id][CC_id][last_slot%2].prach_id;
}
pucch_format= ue_cntl_delay[ue_id][CC_id][last_slot%2].pucch_flag;// UE_transport_info[ue_id][CC_id].cntl.pucch_flag;
if ((last_slot + 1) % 2 == 0) {
if (pucch_format == pucch_format1) { // UE_transport_info[ue_id][CC_id].cntl.sr;
PHY_vars_UE_g[ue_id][CC_id]->sr[subframe] = ue_cntl_delay[ue_id][CC_id][last_slot%2].sr;
} else if ((pucch_format == pucch_format1a) ||
(pucch_format == pucch_format1b)) {
PHY_vars_UE_g[ue_id][CC_id]->pucch_payload[0] = ue_cntl_delay[ue_id][CC_id][last_slot%2].pucch_payload;
//UE_transport_info[ue_id][CC_id].cntl.pucch_payload;
}
PHY_vars_UE_g[ue_id][CC_id]->pucch_sel[subframe] =
ue_cntl_delay[ue_id][CC_id][last_slot%2].pucch_sel;
}
#ifdef DEBUG_EMU
LOG_D(EMU,"subframe %d trying to copy the payload from num eNB %d to UE %d \n",
subframe, UE_transport_info[ue_id][CC_id].num_eNB, ue_id);
#endif
for (n_enb = 0; n_enb < UE_transport_info[ue_id][CC_id].num_eNB; n_enb++) {
rnti = UE_transport_info[ue_id][CC_id].rnti[n_enb];
enb_id = UE_transport_info[ue_id][CC_id].eNB_id[n_enb];
PHY_vars_UE_g[ue_id][CC_id]->pdcch_vars[0][enb_id]->crnti=rnti;
PHY_vars_UE_g[ue_id][CC_id]->pdcch_vars[1][enb_id]->crnti=rnti;
harq_pid = UE_transport_info[ue_id][CC_id].harq_pid[n_enb];
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->o_RI[0] =
ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_ri & 0x1;
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->o_RI[1] =
(ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_ri>>1) & 0x1;
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->o_ACK[0]=
ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_ack & 0x1;
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->o_ACK[1]=
(ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_ack>>1) & 0x1;
//*(uint32_t *)ulsch->o = ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_uci;
if ((last_slot % 2) == 1) {
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->O =
ue_cntl_delay[ue_id][CC_id][last_slot%2].length_uci;
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->uci_format =
ue_cntl_delay[ue_id][CC_id][last_slot%2].uci_format;
memcpy(PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->o,
ue_cntl_delay[ue_id][CC_id][last_slot%2].pusch_uci,
MAX_CQI_BYTES);
ulsch = PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id];
// if (((HLC_subband_cqi_rank1_2A_5MHz *)ulsch->o)->cqi1)
LOG_D(EMU,
"[UE %d] subframe %d last slot %d copy the payload from eNB %d to UE %d with harq id %d cqi (val %d, length %d) \n",
ue_id, subframe, last_slot, enb_id, ue_id, harq_pid,
((HLC_subband_cqi_rank1_2A_5MHz *)ulsch->o)->cqi1,
PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->O);
}
memcpy(PHY_vars_UE_g[ue_id][CC_id]->ulsch[enb_id]->harq_processes[harq_pid]->b,
UE_transport_info[ue_id][CC_id].transport_blocks,
UE_transport_info[ue_id][CC_id].tbs[enb_id]);
//ue_transport_info_index[enb_id]+=UE_transport_info[ue_id][CC_id].tbs[enb_id];
//UE_transport_info[ue_id][CC_id].transport_blocks+=ue_transport_info_index[enb_id];
//LOG_T(EMU,"ulsch tbs is %d\n", UE_transport_info[ue_id][CC_id].tbs[enb_id]);
}
}
openair1/SIMULATION/ETH_TRANSPORT/proto.h
-28
View File
@@ -33,34 +33,6 @@
#ifndef EMU_PROTO_H_
#define EMU_PROTO_H_
void init_bypass (void);
void bypass_init ( unsigned int (*tx_handlerP) (unsigned char,char *, unsigned int *, unsigned int *),unsigned int (*rx_handlerP) (unsigned char,char *,unsigned int));
int bypass_rx_data(unsigned int frame, unsigned int last_slot,
unsigned int next_slot, uint8_t is_master);
void bypass_signal_mac_phy(unsigned int frame, unsigned int last_slot,
unsigned int next_slot, uint8_t is_master);
void bypass_tx_data (emu_transport_info_t Type, unsigned int frame, unsigned int next_slot);
void emulation_tx_rx(void);
unsigned int emul_tx_handler(unsigned char Mode,char *Tx_buffer,unsigned int *Nbytes,unsigned int *Nb_flows);
unsigned int emul_rx_handler(unsigned char Mode,char *rx_buffer, unsigned int Nbytes);
unsigned int emul_rx_data(void);
void emu_transport_info(unsigned int last_slot, unsigned int next_slot);
void fill_phy_enb_vars(unsigned int enb_id, uint8_t CC_id,unsigned int next_slot);
void fill_phy_ue_vars(unsigned int ue_id, uint8_t CC_id,unsigned int last_slot);
void emu_transport_sync(void);
void emu_transport(unsigned int frame, unsigned int last_slot,unsigned int next_slot, lte_subframe_t direction, unsigned char frame_type, int ethernet_flag );
void emu_transport_DL(unsigned int frame, unsigned int last_slot,unsigned int next_slot);
void emu_transport_UL(unsigned int frame, unsigned int last_slot,unsigned int next_slot);
void emu_transport_release(void);
int multicast_link_read_data_from_sock(uint8_t eNB_flag);
void clear_eNB_transport_info(uint8_t);
void clear_UE_transport_info(uint8_t);
int netlink_init(void);
int netlink_init_tun(char *ifsuffix, int num_if, int id);
int netlink_init_mbms_tun(char *ifsuffix, int id);