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Diffstat (limited to 'src/dev/ethertap.hh')
-rw-r--r-- | src/dev/ethertap.hh | 136 |
1 files changed, 0 insertions, 136 deletions
diff --git a/src/dev/ethertap.hh b/src/dev/ethertap.hh deleted file mode 100644 index 5755032a9..000000000 --- a/src/dev/ethertap.hh +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Copyright (c) 2003-2005 The Regents of The University of Michigan - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions are - * met: redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer; - * redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution; - * neither the name of the copyright holders nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR - * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT - * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, - * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT - * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - * - * Authors: Nathan Binkert - */ - -/* @file - * Interface to connect a simulated ethernet device to the real world - */ - -#ifndef __ETHERTAP_HH__ -#define __ETHERTAP_HH__ - -#include <queue> -#include <string> - -#include "base/pollevent.hh" -#include "dev/etherint.hh" -#include "dev/etherobject.hh" -#include "dev/etherpkt.hh" -#include "params/EtherTap.hh" -#include "sim/eventq.hh" -#include "sim/sim_object.hh" - -class TapEvent; -class TapListener; -class EtherTapInt; - -/* - * Interface to connect a simulated ethernet device to the real world - */ -class EtherTap : public EtherObject -{ - protected: - friend class TapEvent; - TapEvent *event; - - protected: - friend class TapListener; - TapListener *listener; - int socket; - char *buffer; - int buflen; - uint32_t buffer_offset; - uint32_t data_len; - - EtherDump *dump; - - void attach(int fd); - void detach(); - - protected: - std::string device; - std::queue<EthPacketPtr> packetBuffer; - EtherTapInt *interface; - - void process(int revent); - void enqueue(EthPacketData *packet); - void retransmit(); - - /* - */ - class TxEvent : public Event - { - protected: - EtherTap *tap; - - public: - TxEvent(EtherTap *_tap) : tap(_tap) {} - void process() { tap->retransmit(); } - virtual const char *description() const - { return "EtherTap retransmit"; } - }; - - friend class TxEvent; - TxEvent txEvent; - - public: - typedef EtherTapParams Params; - EtherTap(const Params *p); - virtual ~EtherTap(); - - const Params * - params() const - { - return dynamic_cast<const Params *>(_params); - } - - EtherInt *getEthPort(const std::string &if_name, int idx) override; - - virtual bool recvPacket(EthPacketPtr packet); - virtual void sendDone(); - - void serialize(CheckpointOut &cp) const override; - void unserialize(CheckpointIn &cp) override; -}; - -class EtherTapInt : public EtherInt -{ - private: - EtherTap *tap; - public: - EtherTapInt(const std::string &name, EtherTap *t) - : EtherInt(name), tap(t) - { } - - virtual bool recvPacket(EthPacketPtr pkt) { return tap->recvPacket(pkt); } - virtual void sendDone() { tap->sendDone(); } -}; - - -#endif // __ETHERTAP_HH__ |