Added missing files for GTP-U tunnel implementation.
This commit is contained in:
jnin
119
src/lte/examples/epc-gtpu-tunnel-example.cc
Normal file
119
src/lte/examples/epc-gtpu-tunnel-example.cc
Normal file
@@ -0,0 +1,119 @@
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
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*
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* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Jaume Nin <jaume.nin@cttc.cat>
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*/
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#include <iostream>
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#include <fstream>
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#include <string>
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#include <cassert>
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/lte-module.h"
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#include "ns3/config-store.h"
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#include "ns3/core-module.h"
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#include "ns3/network-module.h"
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#include "ns3/internet-module.h"
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#include "ns3/csma-module.h"
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#include "ns3/csma-helper.h"
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#include "ns3/applications-module.h"
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#include "ns3/virtual-net-device.h"
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#include "ns3/ipv4-global-routing-helper.h"
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#include "ns3/epc-gtpu-tunnel.h"
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#include "ns3/inet-socket-address.h"
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using namespace ns3;
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NS_LOG_COMPONENT_DEFINE ("EpcGtpUTunnelExample");
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int
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main (int argc, char *argv[])
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{
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Packet::EnablePrinting ();
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// Command line arguments
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CommandLine cmd;
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cmd.Parse(argc, argv);
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ConfigStore inputConfig;
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inputConfig.ConfigureDefaults();
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// parse again so you can override default values from the command line
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cmd.Parse(argc, argv);
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NS_LOG_INFO("Create nodes.");
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NodeContainer c;
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c.Create(2);
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InternetStackHelper internet;
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internet.Install(c);
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// Create the channels first
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NS_LOG_INFO("Create channels.");
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CsmaHelper csma;
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csma.SetChannelAttribute ("DataRate", StringValue ("100Mbps"));
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csma.SetChannelAttribute ("Delay", TimeValue (NanoSeconds (6560)));
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NetDeviceContainer nc = csma.Install(c);
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AsciiTraceHelper ascii;
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csma.EnableAsciiAll (ascii.CreateFileStream ("epc-gtp.tr"));
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csma.EnablePcapAll ("epc-gtp");
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NS_LOG_INFO("Assign IP Addresses.");
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Ipv4AddressHelper ipv4;
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ipv4.SetBase("10.0.1.0", "255.255.255.0");
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Ipv4InterfaceContainer i = ipv4.Assign(nc);
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Ipv4GlobalRoutingHelper::PopulateRoutingTables();
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GtpuTunnel t(c.Get(0), c.Get(1), i.GetAddress(0),i.GetAddress(1), Ipv4Address ("11.0.0.1"),Ipv4Address ("11.0.0.2"),
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Ipv4Mask("255.255.255.0"), 15);
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NS_LOG_INFO("Create Applications.");
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// Set up some default values for the simulation.
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Config::SetDefault("ns3::OnOffApplication::PacketSize", UintegerValue(200));
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Config::SetDefault("ns3::OnOffApplication::OnTime", RandomVariableValue(ConstantVariable(1)));
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Config::SetDefault("ns3::OnOffApplication::OffTime", RandomVariableValue(ConstantVariable(0)));
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Config::SetDefault("ns3::OnOffApplication::DataRate", StringValue ("2kbps"));
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OnOffHelper onoffAB = OnOffHelper ("ns3::Ipv4RawSocketFactory", InetSocketAddress(Ipv4Address ("11.0.0.2")));
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OnOffHelper onoffBA = OnOffHelper ("ns3::Ipv4RawSocketFactory", InetSocketAddress(Ipv4Address ("11.0.0.1")));
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ApplicationContainer apps = onoffAB.Install(c.Get(0));
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apps.Start(Seconds(1.0));
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apps.Stop (Seconds (10.0));
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apps = onoffBA.Install(c.Get(1));
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apps.Start(Seconds(1.0));
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apps.Stop (Seconds (10.0));
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// Create a packet sink to receive these packets
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PacketSinkHelper sinkA("ns3::Ipv4RawSocketFactory", InetSocketAddress(Ipv4Address ("11.0.0.2")));
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PacketSinkHelper sinkB("ns3::Ipv4RawSocketFactory", InetSocketAddress(Ipv4Address ("11.0.0.2")));
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apps = sinkA.Install(c.Get(0));
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apps.Start(Seconds(1.0));
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apps.Stop (Seconds (10.0));
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apps = sinkB.Install(c.Get(1));
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apps.Start(Seconds(1.0));
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apps.Stop (Seconds (10.0));
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NS_LOG_INFO ("Run Simulation.");
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Simulator::Run ();
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Simulator::Destroy ();
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NS_LOG_INFO ("Done.");
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return 0;
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}
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53
src/lte/helper/epc-helper.cc
Normal file
53
src/lte/helper/epc-helper.cc
Normal file
@@ -0,0 +1,53 @@
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
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*
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* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Jaume Nin <jnin@cttc.es>
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*/
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#include <ns3/epc-helper.h>
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#include <ns3/log.h>
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namespace ns3 {
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NS_LOG_COMPONENT_DEFINE ("EpcHelper");
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NS_OBJECT_ENSURE_REGISTERED (EpcHelper);
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EpcHelper::EpcHelper ()
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{
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NS_LOG_FUNCTION (this);
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}
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EpcHelper::~EpcHelper ()
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{
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NS_LOG_FUNCTION (this);
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}
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TypeId
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EpcHelper::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::EpcHelper")
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.SetParent<Object> ()
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.AddConstructor<EpcHelper> ()
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;
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return tid;
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}
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} // namespace ns3
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57
src/lte/helper/epc-helper.h
Normal file
57
src/lte/helper/epc-helper.h
Normal file
@@ -0,0 +1,57 @@
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
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/*
|
||||
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
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* Author: Jaume Nin <jnin@cttc.es>
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*/
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#ifndef EPC_HELPER_H_
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#define EPC_HELPER_H_
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#include "ns3/object.h"
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namespace ns3 {
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/**
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* Helper class to handle the creation of the EPC entities and protocols
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*/
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class EpcHelper : public Object
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{
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public:
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/**
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* Constructor
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*/
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EpcHelper ();
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/**
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* Destructor
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*/
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virtual ~EpcHelper ();
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/**
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* Inherited from ns3::Object
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*/
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static TypeId GetTypeId (void);
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private:
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};
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} // namespace ns3
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#endif /* EPC_HELPER_H_ */
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88
src/lte/model/epc-gtpu-l5-protocol.cc
Normal file
88
src/lte/model/epc-gtpu-l5-protocol.cc
Normal file
@@ -0,0 +1,88 @@
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/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
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/*
|
||||
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
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* Author: Jaume Nin <jnin@cttc.cat>
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*/
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#include "ns3/epc-gtpu-l5-protocol.h"
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#include <ns3/log.h>
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#include <ns3/uinteger.h>
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#include "ns3/epc-gtpu-header.h"
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NS_LOG_COMPONENT_DEFINE ("GtpuL5Protocol");
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namespace ns3 {
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NS_OBJECT_ENSURE_REGISTERED (GtpuL5Protocol);
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TypeId
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GtpuL5Protocol::GetTypeId (void)
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{
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static TypeId tid = TypeId ("ns3::GtpuL5Protocol")
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.SetParent<Object> ()
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.AddConstructor<GtpuL5Protocol> ()
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/*.AddAttribute ("TEID", "Tunnel Endpoint Identifier of this instance.",
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UintegerValue (0),
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MakeUintegerAccessor (&GtpuL5Protocol::SetTeid,
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&GtpuL5Protocol::GetTeid),
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MakeUintegerChecker<uint32_t> ())*/
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;
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return tid;
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}
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GtpuL5Protocol::GtpuL5Protocol ()
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{
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NS_LOG_FUNCTION_NOARGS ();
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}
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GtpuL5Protocol::GtpuL5Protocol (uint32_t teid)
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{
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NS_LOG_FUNCTION (this);
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//this.SetAttribute("TEID", teid);
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m_teid = teid;
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}
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GtpuL5Protocol::~GtpuL5Protocol ()
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{
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NS_LOG_FUNCTION_NOARGS ();
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}
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Ptr<Packet>
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GtpuL5Protocol::AddHeader (Ptr<Packet> p)
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{
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GtpuHeader h;
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h.SetTeid (m_teid);
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// From 3GPP TS 29.281 v10.0.0 Section 5.1
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// Length of the payload + the non obligatory GTP-U header
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h.SetLength (p->GetSize () + h.GetSerializedSize () - 8);
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p->AddHeader (h);
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NS_LOG_FUNCTION (this << h);
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return p;
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}
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|
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void
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GtpuL5Protocol::RemoveHeader (Ptr<Packet> p)
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{
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GtpuHeader h;
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p->RemoveHeader (h);
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NS_LOG_DEBUG (this << h);
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NS_ASSERT( h.GetTeid () == m_teid);
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}
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}; // namespace ns3
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58
src/lte/model/epc-gtpu-l5-protocol.h
Normal file
58
src/lte/model/epc-gtpu-l5-protocol.h
Normal file
@@ -0,0 +1,58 @@
|
||||
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Jaume Nin <jnin@cttc.cat>
|
||||
*/
|
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|
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#ifndef EPS_GTPU_L5_PROTOCOL_H
|
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#define EPS_GTPU_L5_PROTOCOL_H
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|
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#include <stdint.h>
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#include <ns3/object.h>
|
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#include <ns3/packet.h>
|
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|
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namespace ns3
|
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{
|
||||
|
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/**
|
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* Implementation of the GTP-U v1 protocol
|
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*/
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class GtpuL5Protocol : public Object
|
||||
{
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public:
|
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static TypeId GetTypeId (void);
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|
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GtpuL5Protocol ();
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GtpuL5Protocol (uint32_t teid);
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virtual ~GtpuL5Protocol ();
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|
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Ptr<Packet> AddHeader (Ptr<Packet> p);
|
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void RemoveHeader (Ptr<Packet> p);
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|
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uint32_t GetTeid (void);
|
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void SetTeid (uint32_t teid);
|
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|
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private:
|
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|
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uint32_t m_teid;
|
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|
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};
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|
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}
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; // namespace ns3
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#endif /* EPS_GTPU_L5_PROTOCOL_H */
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125
src/lte/model/epc-gtpu-tunnel.cc
Normal file
125
src/lte/model/epc-gtpu-tunnel.cc
Normal file
@@ -0,0 +1,125 @@
|
||||
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Jaume Nin <jnin@cttc.cat>
|
||||
*/
|
||||
|
||||
|
||||
#include "epc-gtpu-tunnel.h"
|
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#include "ns3/log.h"
|
||||
#include "ns3/uinteger.h"
|
||||
#include "ns3/integer.h"
|
||||
#include "ns3/boolean.h"
|
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#include "ns3/inet-socket-address.h"
|
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#include "ns3/ipv4.h"
|
||||
#include "ns3/mac48-address.h"
|
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#include "ns3/ppp-header.h"
|
||||
|
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namespace ns3 {
|
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|
||||
NS_LOG_COMPONENT_DEFINE ("GtpuTunnel");
|
||||
|
||||
//m_gtpuPort = 2152;
|
||||
|
||||
TypeId
|
||||
GtpuTunnel::GetTypeId (void)
|
||||
{
|
||||
static TypeId tid = TypeId ("ns3::GtpuTunnel")
|
||||
.SetParent<Object> ();
|
||||
;
|
||||
return tid;
|
||||
}
|
||||
|
||||
GtpuTunnel::GtpuTunnel (Ptr<Node> nA, Ptr<Node> nB, Ipv4Address addrA, Ipv4Address addrB, Ipv4Address tAddrA, Ipv4Address tAddrB, Ipv4Mask m, uint32_t teid):
|
||||
m_addressA(addrA), m_addressB(addrB), m_udpPort (2152)
|
||||
{
|
||||
NS_LOG_FUNCTION (this);
|
||||
m_gtpu = CreateObject<GtpuL5Protocol> (teid);
|
||||
|
||||
// UDP socket creation and configuration
|
||||
m_socketA = Socket::CreateSocket (nA, TypeId::LookupByName ("ns3::UdpSocketFactory"));
|
||||
m_socketA->Bind (InetSocketAddress (Ipv4Address::GetAny (), m_udpPort));
|
||||
m_socketA->SetRecvCallback (MakeCallback (&GtpuTunnel::GtpuNaRecv, this));
|
||||
|
||||
m_socketB = Socket::CreateSocket (nB, TypeId::LookupByName ("ns3::UdpSocketFactory"));
|
||||
m_socketB->Bind (InetSocketAddress (Ipv4Address::GetAny (), m_udpPort));
|
||||
m_socketB->SetRecvCallback (MakeCallback (&GtpuTunnel::GtpuNbRecv, this));
|
||||
|
||||
// tap device creation and configuration
|
||||
// n0 tap device
|
||||
m_tapA = CreateObject<VirtualNetDevice> ();
|
||||
m_tapA->SetAddress (Mac48Address::Allocate ());
|
||||
m_tapA->SetSendCallback (MakeCallback (&GtpuTunnel::GtpuNaSend, this));
|
||||
nA->AddDevice (m_tapA);
|
||||
Ptr<Ipv4> ipv4 = nA->GetObject<Ipv4> ();
|
||||
uint32_t i = ipv4->AddInterface (m_tapA);
|
||||
ipv4->AddAddress (i, Ipv4InterfaceAddress (tAddrA, m));
|
||||
ipv4->SetUp (i);
|
||||
|
||||
m_tapB = CreateObject<VirtualNetDevice> ();
|
||||
m_tapB->SetAddress (Mac48Address::Allocate ());
|
||||
m_tapB->SetSendCallback (MakeCallback (&GtpuTunnel::GtpuNbSend, this));
|
||||
nB->AddDevice (m_tapB);
|
||||
ipv4 = nB->GetObject<Ipv4> ();
|
||||
i = ipv4->AddInterface (m_tapA);
|
||||
ipv4->AddAddress (i, Ipv4InterfaceAddress (tAddrB, m));
|
||||
ipv4->SetUp (i);
|
||||
|
||||
}
|
||||
|
||||
void
|
||||
GtpuTunnel::GtpuNaRecv (Ptr<Socket> socket)
|
||||
{
|
||||
NS_LOG_FUNCTION (this);
|
||||
Ptr<Packet> packet = socket->Recv (65535, 0);
|
||||
m_gtpu->RemoveHeader (packet);
|
||||
m_tapA->Receive (packet, 0x0800, m_tapA->GetAddress (), m_tapA->GetAddress (), NetDevice::PACKET_HOST);
|
||||
}
|
||||
|
||||
void
|
||||
GtpuTunnel::GtpuNbRecv (Ptr<Socket> socket)
|
||||
{
|
||||
NS_LOG_FUNCTION (this);
|
||||
Ptr<Packet> packet = socket->Recv (65535, 0);
|
||||
m_gtpu->RemoveHeader (packet);
|
||||
m_tapB->Receive (packet, 0x0800, m_tapB->GetAddress (), m_tapB->GetAddress (), NetDevice::PACKET_HOST);
|
||||
}
|
||||
|
||||
bool
|
||||
GtpuTunnel::GtpuNaSend (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber)
|
||||
{
|
||||
NS_LOG_FUNCTION (this << source << dest << packet << packet->GetSize ());
|
||||
packet = m_gtpu->AddHeader (packet);
|
||||
m_socketA->SendTo (packet, 0, InetSocketAddress (m_addressB, m_udpPort));
|
||||
return true;
|
||||
}
|
||||
|
||||
bool
|
||||
GtpuTunnel::GtpuNbSend (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber)
|
||||
{
|
||||
NS_LOG_FUNCTION (this << source << dest << packet << packet->GetSize ());
|
||||
packet = m_gtpu->AddHeader (packet);
|
||||
m_socketB->SendTo (packet, 0, InetSocketAddress (m_addressA, m_udpPort));
|
||||
return true;
|
||||
}
|
||||
|
||||
GtpuTunnel::~GtpuTunnel ()
|
||||
{
|
||||
NS_LOG_FUNCTION_NOARGS ();
|
||||
}
|
||||
|
||||
}; // namespace ns3
|
||||
65
src/lte/model/epc-gtpu-tunnel.h
Normal file
65
src/lte/model/epc-gtpu-tunnel.h
Normal file
@@ -0,0 +1,65 @@
|
||||
/* -*- Mode: C++; c-file-style: "gnu"; indent-tabs-mode:nil; -*- */
|
||||
/*
|
||||
* Copyright (c) 2011 Centre Tecnologic de Telecomunicacions de Catalunya (CTTC)
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or modify
|
||||
* it under the terms of the GNU General Public License version 2 as
|
||||
* published by the Free Software Foundation;
|
||||
*
|
||||
* This program 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 this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
||||
*
|
||||
* Author: Jaume Nin <jnin@cttc.cat>
|
||||
*/
|
||||
|
||||
#ifndef GTPU_TUNNEL_H
|
||||
#define GTPU_TUNNEL_H
|
||||
|
||||
#include "ns3/address.h"
|
||||
#include "ns3/socket.h"
|
||||
#include "ns3/virtual-net-device.h"
|
||||
#include "ns3/epc-gtpu-l5-protocol.h"
|
||||
#include "ns3/traced-callback.h"
|
||||
#include "ns3/callback.h"
|
||||
#include "ns3/ptr.h"
|
||||
#include "ns3/object.h"
|
||||
|
||||
namespace ns3
|
||||
{
|
||||
|
||||
class GtpuTunnel : public Object
|
||||
{
|
||||
|
||||
public:
|
||||
static TypeId GetTypeId (void);
|
||||
bool GtpuNaSend (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber);
|
||||
bool GtpuNbSend (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber);
|
||||
void GtpuNaRecv (Ptr<Socket> socket);
|
||||
void GtpuNbRecv (Ptr<Socket> socket);
|
||||
|
||||
GtpuTunnel (Ptr<Node> nA, Ptr<Node> nB, Ipv4Address addrA, Ipv4Address addrB, Ipv4Address tAddrA, Ipv4Address tAddrB, Ipv4Mask m, uint32_t teid);
|
||||
virtual ~GtpuTunnel (void);
|
||||
|
||||
private:
|
||||
|
||||
Ptr<Socket> m_socketA;
|
||||
Ptr<Socket> m_socketB;
|
||||
Ipv4Address m_addressA;
|
||||
Ipv4Address m_addressB;
|
||||
uint16_t m_udpPort;
|
||||
//static const uint16_t m_gtpuPort;
|
||||
Ptr<VirtualNetDevice> m_tapA;
|
||||
Ptr<VirtualNetDevice> m_tapB;
|
||||
Ptr<GtpuL5Protocol> m_gtpu;
|
||||
};
|
||||
|
||||
} //namespace ns3
|
||||
|
||||
#endif /* GTPU_TUNNEL_H */
|
||||
|
||||
Reference in New Issue
Block a user