20 #include "ns3/channel.h"
21 #include "ns3/packet.h"
23 #include "ns3/boolean.h"
24 #include "ns3/simulator.h"
25 #include "ns3/uinteger.h"
39 .AddConstructor<BridgeNetDevice> ()
40 .AddAttribute (
"Mtu",
"The MAC-level Maximum Transmission Unit",
44 MakeUintegerChecker<uint16_t> ())
45 .AddAttribute (
"EnableLearning",
46 "Enable the learning mode of the Learning Bridge",
49 MakeBooleanChecker ())
50 .AddAttribute (
"ExpirationTime",
51 "Time it takes for learned MAC state entry to expire.",
65 m_channel = CreateObject<BridgeChannel> ();
135 NS_LOG_DEBUG (
"LearningBridgeForward (incomingPort=" << incomingPort->GetInstanceTypeId ().GetName ()
136 <<
", packet=" << packet <<
", protocol="<<protocol
137 <<
", src=" << src <<
", dst=" << dst <<
")");
139 Learn (src, incomingPort);
141 if (outPort != NULL && outPort != incomingPort)
143 NS_LOG_LOGIC (
"Learning bridge state says to use port `" << outPort->GetInstanceTypeId ().GetName () <<
"'");
144 outPort->SendFrom (packet->
Copy (), src, dst, protocol);
148 NS_LOG_LOGIC (
"No learned state: send through all ports");
150 iter !=
m_ports.end (); iter++)
153 if (port != incomingPort)
155 NS_LOG_LOGIC (
"LearningBridgeForward (" << src <<
" => " << dst <<
"): "
156 << incomingPort->GetInstanceTypeId ().GetName ()
157 <<
" --> " << port->GetInstanceTypeId ().GetName ()
158 <<
" (UID " << packet->
GetUid () <<
").");
159 port->SendFrom (packet->
Copy (), src, dst, protocol);
170 NS_LOG_DEBUG (
"LearningBridgeForward (incomingPort=" << incomingPort->GetInstanceTypeId ().GetName ()
171 <<
", packet=" << packet <<
", protocol="<<protocol
172 <<
", src=" << src <<
", dst=" << dst <<
")");
173 Learn (src, incomingPort);
176 iter !=
m_ports.end (); iter++)
179 if (port != incomingPort)
181 NS_LOG_LOGIC (
"LearningBridgeForward (" << src <<
" => " << dst <<
"): "
182 << incomingPort->GetInstanceTypeId ().GetName ()
183 <<
" --> " << port->GetInstanceTypeId ().GetName ()
184 <<
" (UID " << packet->
GetUid () <<
").");
185 port->SendFrom (packet->
Copy (), src, dst, protocol);
207 std::map<Mac48Address, LearnedState>::iterator iter =
247 NS_FATAL_ERROR (
"Device does not support eui 48 addresses: cannot be added to bridge.");
249 if (!bridgePort->SupportsSendFrom ())
251 NS_FATAL_ERROR (
"Device does not support SendFrom: cannot be added to bridge.");
258 NS_LOG_DEBUG (
"RegisterProtocolHandler for " << bridgePort->GetInstanceTypeId ().GetName ());
260 0, bridgePort,
true);
261 m_ports.push_back (bridgePort);
262 m_channel->AddChannel (bridgePort->GetChannel ());
394 outPort->SendFrom (packet, src, dest, protocolNumber);
402 iter !=
m_ports.end (); iter++)
405 port->SendFrom (packet, src, dest, protocolNumber);
void AddBridgePort(Ptr< NetDevice > bridgePort)
Add a 'port' to a bridge device.
virtual bool Send(Ptr< Packet > packet, const Address &dest, uint16_t protocolNumber)
static bool IsMatchingType(const Address &address)
keep track of time values and allow control of global simulation resolution
smart pointer class similar to boost::intrusive_ptr
#define NS_LOG_FUNCTION(parameters)
void Learn(Mac48Address source, Ptr< NetDevice > port)
virtual bool IsBridge(void) const
Return true if the net device is acting as a bridge.
Ptr< NetDevice > GetLearnedState(Mac48Address source)
void ForwardBroadcast(Ptr< NetDevice > incomingPort, Ptr< const Packet > packet, uint16_t protocol, Mac48Address src, Mac48Address dst)
virtual bool IsPointToPoint(void) const
Return true if the net device is on a point-to-point link.
virtual void SetReceiveCallback(NetDevice::ReceiveCallback cb)
virtual void SetIfIndex(const uint32_t index)
virtual uint32_t GetIfIndex(void) const
uint64_t GetUid(void) const
#define NS_ASSERT(condition)
#define NS_LOG_COMPONENT_DEFINE(name)
virtual bool IsMulticast(void) const
virtual Ptr< Channel > GetChannel(void) const
static TypeId GetTypeId(void)
virtual void DoDispose(void)
#define NS_LOG_FUNCTION_NOARGS()
virtual void SetAddress(Address address)
virtual bool SendFrom(Ptr< Packet > packet, const Address &source, const Address &dest, uint16_t protocolNumber)
NetDevice::PromiscReceiveCallback m_promiscRxCallback
virtual void AddLinkChangeCallback(Callback< void > callback)
#define NS_FATAL_ERROR(msg)
fatal error handling
a polymophic address class
Ptr< NetDevice > associatedPort
static Mac48Address GetMulticast(Ipv4Address address)
Ptr< NetDevice > GetBridgePort(uint32_t n) const
hold objects of type ns3::Time
std::vector< Ptr< NetDevice > > m_ports
virtual uint16_t GetMtu(void) const
Hold an unsigned integer type.
virtual bool SetMtu(const uint16_t mtu)
virtual bool SupportsSendFrom() const
NS_OBJECT_ENSURE_REGISTERED(AntennaModel)
virtual bool IsBroadcast(void) const
Callback< R > MakeCallback(R(T::*memPtr)(void), OBJ objPtr)
virtual Address GetBroadcast(void) const
#define NS_LOG_LOGIC(msg)
static Mac48Address ConvertFrom(const Address &address)
Ptr< Packet > Copy(void) const
virtual bool NeedsArp(void) const
virtual ~BridgeNetDevice()
virtual void SetPromiscReceiveCallback(NetDevice::PromiscReceiveCallback cb)
NetDevice::ReceiveCallback m_rxCallback
virtual Address GetAddress(void) const
virtual Address GetMulticast(Ipv4Address multicastGroup) const
Make and return a MAC multicast address using the provided multicast group.
virtual Ptr< Node > GetNode(void) const
virtual void DoDispose(void)
void RegisterProtocolHandler(ProtocolHandler handler, uint16_t protocolType, Ptr< NetDevice > device, bool promiscuous=false)
std::map< Mac48Address, LearnedState > m_learnState
Describes an IPv6 address.
Ipv4 addresses are stored in host order in this class.
void ForwardUnicast(Ptr< NetDevice > incomingPort, Ptr< const Packet > packet, uint16_t protocol, Mac48Address src, Mac48Address dst)
Network layer to device interface.
#define NS_LOG_DEBUG(msg)
Ptr< BridgeChannel > m_channel
Ptr< const AttributeChecker > MakeTimeChecker(const Time min, const Time max)
Helper to make a Time checker with bounded range. Both limits are inclusive.
uint32_t GetNBridgePorts(void) const
virtual void SetNode(Ptr< Node > node)
a unique identifier for an interface.
TypeId SetParent(TypeId tid)
virtual bool IsLinkUp(void) const
void ReceiveFromDevice(Ptr< NetDevice > device, Ptr< const Packet > packet, uint16_t protocol, Address const &source, Address const &destination, PacketType packetType)