etherint.hh revision 13770
12SN/A/* 21762SN/A * Copyright (c) 2002-2005 The Regents of The University of Michigan 32SN/A * All rights reserved. 42SN/A * 52SN/A * Redistribution and use in source and binary forms, with or without 62SN/A * modification, are permitted provided that the following conditions are 72SN/A * met: redistributions of source code must retain the above copyright 82SN/A * notice, this list of conditions and the following disclaimer; 92SN/A * redistributions in binary form must reproduce the above copyright 102SN/A * notice, this list of conditions and the following disclaimer in the 112SN/A * documentation and/or other materials provided with the distribution; 122SN/A * neither the name of the copyright holders nor the names of its 132SN/A * contributors may be used to endorse or promote products derived from 142SN/A * this software without specific prior written permission. 152SN/A * 162SN/A * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 172SN/A * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 182SN/A * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 192SN/A * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 202SN/A * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 212SN/A * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 222SN/A * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 232SN/A * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 242SN/A * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 252SN/A * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 262SN/A * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 272665SN/A * 282665SN/A * Authors: Nathan Binkert 292SN/A */ 302SN/A 312SN/A/* @file 322SN/A * Class representing the actual interface between two ethernet 332SN/A * components. 342SN/A */ 352SN/A 3611263Sandreas.sandberg@arm.com#ifndef __DEV_NET_ETHERINT_HH__ 3711263Sandreas.sandberg@arm.com#define __DEV_NET_ETHERINT_HH__ 382SN/A 392SN/A#include <string> 402SN/A 4111263Sandreas.sandberg@arm.com#include "dev/net/etherpkt.hh" 4213770Sgabeblack@google.com#include "mem/port.hh" 432SN/A 442SN/A/* 452SN/A * Class representing the actual interface between two ethernet 462SN/A * components. These components are intended to attach to another 472SN/A * ethernet interface on one side and whatever device on the other. 482SN/A */ 4913770Sgabeblack@google.comclass EtherInt : public Port 502SN/A{ 512SN/A protected: 524981SN/A mutable std::string portName; 532SN/A EtherInt *peer; 542SN/A 552SN/A public: 5613770Sgabeblack@google.com EtherInt(const std::string &name, int idx=InvalidPortID) 5713770Sgabeblack@google.com : Port(name, idx), portName(name), peer(NULL) {} 582SN/A virtual ~EtherInt() {} 592SN/A 604981SN/A /** Return port name (for DPRINTF). */ 614981SN/A const std::string &name() const { return portName; } 624981SN/A 632SN/A void setPeer(EtherInt *p); 644981SN/A EtherInt* getPeer() { return peer; } 651152SN/A 662SN/A void recvDone() { peer->sendDone(); } 672SN/A virtual void sendDone() = 0; 681152SN/A 692566SN/A bool sendPacket(EthPacketPtr packet) 701152SN/A { return peer ? peer->recvPacket(packet) : true; } 712566SN/A virtual bool recvPacket(EthPacketPtr packet) = 0; 724419SN/A 734419SN/A bool askBusy() {return peer->isBusy(); } 744419SN/A virtual bool isBusy() { return false; } 752SN/A}; 762SN/A 7711263Sandreas.sandberg@arm.com#endif // __DEV_NET_ETHERINT_HH__ 78