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Diffstat (limited to 'src/dev/etherint.hh')
-rw-r--r-- | src/dev/etherint.hh | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/src/dev/etherint.hh b/src/dev/etherint.hh new file mode 100644 index 000000000..dfc224ecc --- /dev/null +++ b/src/dev/etherint.hh @@ -0,0 +1,68 @@ +/* + * Copyright (c) 2002-2005 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 + * Class representing the actual interface between two ethernet + * components. + */ + +#ifndef __DEV_ETHERINT_HH__ +#define __DEV_ETHERINT_HH__ + +#include <string> + +#include "dev/etherpkt.hh" +#include "sim/sim_object.hh" + +/* + * Class representing the actual interface between two ethernet + * components. These components are intended to attach to another + * ethernet interface on one side and whatever device on the other. + */ +class EtherInt : public SimObject +{ + protected: + EtherInt *peer; + + public: + EtherInt(const std::string &name) : SimObject(name), peer(NULL) {} + virtual ~EtherInt() {} + + void setPeer(EtherInt *p); + + void recvDone() { peer->sendDone(); } + virtual void sendDone() = 0; + + bool sendPacket(EthPacketPtr packet) + { return peer ? peer->recvPacket(packet) : true; } + virtual bool recvPacket(EthPacketPtr packet) = 0; +}; + +#endif // __DEV_ETHERINT_HH__ |