gem5 v24.0.0.0
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etherbus.hh
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1/*
2 * Copyright (c) 2002-2005 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;
9 * redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution;
12 * neither the name of the copyright holders nor the names of its
13 * contributors may be used to endorse or promote products derived from
14 * this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29/* @file
30 * Device module for modelling an ethernet hub
31 */
32
33#ifndef __DEV_NET_ETHERBUS_HH__
34#define __DEV_NET_ETHERBUS_HH__
35
36#include "dev/net/etherpkt.hh"
37#include "params/EtherBus.hh"
38#include "sim/eventq.hh"
39#include "sim/sim_object.hh"
40
41namespace gem5
42{
43
44class EtherDump;
45class EtherInt;
46class EtherBus : public SimObject
47{
48 protected:
53
54 protected:
59
60 public:
61 using Params = EtherBusParams;
62 EtherBus(const Params &p);
63 virtual ~EtherBus() {}
64
65 void txDone();
66 void reg(EtherInt *dev);
67 bool busy() const { return (bool)packet; }
69 Port &getPort(const std::string &if_name,
70 PortID idx=InvalidPortID) override;
71};
72
73} // namespace gem5
74
75#endif // __DEV_NET_ETHERBUS_HH__
EventFunctionWrapper event
Definition etherbus.hh:55
EthPacketPtr packet
Definition etherbus.hh:56
std::list< EtherInt * > devlist_t
Definition etherbus.hh:49
EtherInt * sender
Definition etherbus.hh:57
void reg(EtherInt *dev)
EtherDump * dump
Definition etherbus.hh:58
double ticksPerByte
Definition etherbus.hh:51
EtherBus(const Params &p)
Definition etherbus.cc:52
EtherBusParams Params
Definition etherbus.hh:61
bool send(EtherInt *sender, EthPacketPtr &packet)
Definition etherbus.cc:90
void txDone()
Definition etherbus.cc:60
bool busy() const
Definition etherbus.hh:67
Port & getPort(const std::string &if_name, PortID idx=InvalidPortID) override
Get a port with a given name and index.
Definition etherbus.cc:84
virtual ~EtherBus()
Definition etherbus.hh:63
devlist_t devlist
Definition etherbus.hh:50
Ports are used to interface objects to each other.
Definition port.hh:62
Abstract superclass for simulation objects.
STL list class.
Definition stl.hh:51
Bitfield< 0 > p
Copyright (c) 2024 - Pranith Kumar Copyright (c) 2020 Inria All rights reserved.
Definition binary32.hh:36
const PortID InvalidPortID
Definition types.hh:246
int16_t PortID
Port index/ID type, and a symbolic name for an invalid port id.
Definition types.hh:245
std::shared_ptr< EthPacketData > EthPacketPtr
Definition etherpkt.hh:90

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