2 * Copyright (c) 2003-2005 The Regents of The University of Michigan
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28 * Authors: Nathan Binkert
32 * Interface to connect a simulated ethernet device to the real world
35 #ifndef __ETHERTAP_HH__
36 #define __ETHERTAP_HH__
41 #include "dev/etherint.hh"
42 #include "dev/etherpkt.hh"
43 #include "sim/eventq.hh"
44 #include "base/pollevent.hh"
45 #include "sim/sim_object.hh"
51 * Interface to connect a simulated ethernet device to the real world
53 class EtherTap : public EtherInt
56 friend class TapEvent;
60 friend class TapListener;
61 TapListener *listener;
65 int32_t buffer_offset;
75 std::queue<EthPacketPtr> packetBuffer;
77 void process(int revent);
78 void enqueue(EthPacketData *packet);
83 class TxEvent : public Event
89 TxEvent(EtherTap *_tap)
90 : Event(&mainEventQueue), tap(_tap) {}
91 void process() { tap->retransmit(); }
92 virtual const char *description() { return "retransmit event"; }
99 EtherTap(const std::string &name, EtherDump *dump, int port, int bufsz);
102 virtual bool recvPacket(EthPacketPtr packet);
103 virtual void sendDone();
105 virtual void serialize(std::ostream &os);
106 virtual void unserialize(Checkpoint *cp, const std::string §ion);
109 #endif // __ETHERTAP_HH__