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30 * Interface to connect a simulated ethernet device to the real world
33 #ifndef __ETHERTAP_HH__
34 #define __ETHERTAP_HH__
39 #include "dev/etherint.hh"
40 #include "dev/etherpkt.hh"
41 #include "sim/eventq.hh"
42 #include "base/pollevent.hh"
43 #include "sim/sim_object.hh"
46 * Interface to connect a simulated ethernet device to the real world
48 class EtherTap : public EtherInt
51 friend class TapEvent;
55 friend class TapListener;
56 TapListener *listener;
60 int32_t buffer_offset;
70 std::queue<PacketPtr> packetBuffer;
72 void process(int revent);
73 void enqueue(PacketData *packet);
78 class TxEvent : public Event
84 TxEvent(EtherTap *_tap)
85 : Event(&mainEventQueue), tap(_tap) {}
86 void process() { tap->retransmit(); }
87 virtual const char *description() { return "retransmit event"; }
94 EtherTap(const std::string &name, EtherDump *dump, int port, int bufsz);
97 virtual bool recvPacket(PacketPtr packet);
98 virtual void sendDone();
100 virtual void serialize(std::ostream &os);
101 virtual void unserialize(Checkpoint *cp, const std::string §ion);
104 #endif // __ETHERTAP_HH__