A Discrete-Event Network Simulator
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1 /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
2 /*
3  * This program is free software; you can redistribute it and/or modify
4  * it under the terms of the GNU General Public License version 2 as
5  * published by the Free Software Foundation;
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program; if not, write to the Free Software
14  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
15  *
16  * Author: Gustavo Carneiro <gjc@inescporto.pt>
17  */
21 #include "ns3/net-device.h"
22 #include "ns3/mac48-address.h"
23 #include "ns3/nstime.h"
24 #include "ns3/bridge-channel.h"
25 #include <stdint.h>
26 #include <string>
27 #include <map>
29 namespace ns3 {
31 class Node;
65 class BridgeNetDevice : public NetDevice
66 {
67 public:
68  static TypeId GetTypeId (void);
69  BridgeNetDevice ();
70  virtual ~BridgeNetDevice ();
85  void AddBridgePort (Ptr<NetDevice> bridgePort);
87  uint32_t GetNBridgePorts (void) const;
89  Ptr<NetDevice> GetBridgePort (uint32_t n) const;
91  // inherited from NetDevice base class.
92  virtual void SetIfIndex (const uint32_t index);
93  virtual uint32_t GetIfIndex (void) const;
94  virtual Ptr<Channel> GetChannel (void) const;
95  virtual void SetAddress (Address address);
96  virtual Address GetAddress (void) const;
97  virtual bool SetMtu (const uint16_t mtu);
98  virtual uint16_t GetMtu (void) const;
99  virtual bool IsLinkUp (void) const;
100  virtual void AddLinkChangeCallback (Callback<void> callback);
101  virtual bool IsBroadcast (void) const;
102  virtual Address GetBroadcast (void) const;
103  virtual bool IsMulticast (void) const;
104  virtual Address GetMulticast (Ipv4Address multicastGroup) const;
105  virtual bool IsPointToPoint (void) const;
106  virtual bool IsBridge (void) const;
107  virtual bool Send (Ptr<Packet> packet, const Address& dest, uint16_t protocolNumber);
108  virtual bool SendFrom (Ptr<Packet> packet, const Address& source, const Address& dest, uint16_t protocolNumber);
109  virtual Ptr<Node> GetNode (void) const;
110  virtual void SetNode (Ptr<Node> node);
111  virtual bool NeedsArp (void) const;
114  virtual bool SupportsSendFrom () const;
115  virtual Address GetMulticast (Ipv6Address addr) const;
117 protected:
118  virtual void DoDispose (void);
120  void ReceiveFromDevice (Ptr<NetDevice> device, Ptr<const Packet> packet, uint16_t protocol,
121  Address const &source, Address const &destination, PacketType packetType);
122  void ForwardUnicast (Ptr<NetDevice> incomingPort, Ptr<const Packet> packet,
123  uint16_t protocol, Mac48Address src, Mac48Address dst);
124  void ForwardBroadcast (Ptr<NetDevice> incomingPort, Ptr<const Packet> packet,
125  uint16_t protocol, Mac48Address src, Mac48Address dst);
126  void Learn (Mac48Address source, Ptr<NetDevice> port);
129 private:
137  Time m_expirationTime; // time it takes for learned MAC state to expire
139  {
142  };
143  std::map<Mac48Address, LearnedState> m_learnState;
146  std::vector< Ptr<NetDevice> > m_ports;
147  uint32_t m_ifIndex;
148  uint16_t m_mtu;
150 };
152 } // namespace ns3
154 #endif /* BRIDGE_NET_DEVICE_H */
void AddBridgePort(Ptr< NetDevice > bridgePort)
Add a 'port' to a bridge device.
virtual bool Send(Ptr< Packet > packet, const Address &dest, uint16_t protocolNumber)
Simulation virtual time values and global simulation resolution.
Definition: nstime.h:79
smart pointer class similar to boost::intrusive_ptr
Definition: ptr.h:60
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
virtual bool IsMulticast(void) const
virtual Ptr< Channel > GetChannel(void) const
static TypeId GetTypeId(void)
virtual void SetAddress(Address address)
Set the address of this interface.
a virtual net device that bridges multiple LAN segments
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)
uint16_t port
Definition: dsdv-manet.cc:44
a polymophic address class
Definition: address.h:86
Ptr< NetDevice > GetBridgePort(uint32_t n) const
std::vector< Ptr< NetDevice > > m_ports
virtual uint16_t GetMtu(void) const
virtual bool SetMtu(const uint16_t mtu)
virtual bool SupportsSendFrom() const
virtual bool IsBroadcast(void) const
virtual Address GetBroadcast(void) const
virtual bool NeedsArp(void) const
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.
an EUI-48 address
Definition: mac48-address.h:41
virtual Ptr< Node > GetNode(void) const
virtual void DoDispose(void)
This method is called by Object::Dispose or by the object's destructor, whichever comes first...
std::map< Mac48Address, LearnedState > m_learnState
Describes an IPv6 address.
Definition: ipv6-address.h:46
Ipv4 addresses are stored in host order in this class.
Definition: ipv4-address.h:38
void ForwardUnicast(Ptr< NetDevice > incomingPort, Ptr< const Packet > packet, uint16_t protocol, Mac48Address src, Mac48Address dst)
Network layer to device interface.
Definition: net-device.h:75
BridgeNetDevice & operator=(const BridgeNetDevice &)
Ptr< BridgeChannel > m_channel
uint32_t GetNBridgePorts(void) const
tuple address
Definition: first.py:37
Packet types are used as they are in Linux.
Definition: net-device.h:274
virtual void SetNode(Ptr< Node > node)
a unique identifier for an interface.
Definition: type-id.h:49
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)