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/*
* Copyright (c) 2015 ARM Limited
* All rights reserved
*
* The license below extends only to copyright in the software and shall
* not be construed as granting a license to any other intellectual
* property including but not limited to intellectual property relating
* to a hardware implementation of the functionality of the software
* licensed hereunder. You may use the software subject to the license
* terms below provided that you ensure that this notice is replicated
* unmodified and in its entirety in all distributions of the software,
* modified or unmodified, in source code or in binary form.
*
* 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: Gabor Dozsa
*/
/* @file
* MultiHeaderPkt class to encapsulate multi-gem5 header packets
*
*/
#include "dev/multi_packet.hh"
#include <cstdint>
#include <cstring>
#include "base/inet.hh"
unsigned
MultiHeaderPkt::maxAddressLength()
{
return sizeof(AddressType);
}
void
MultiHeaderPkt::clearAddress(AddressType &addr)
{
std::memset(addr, 0, sizeof(addr));
}
bool
MultiHeaderPkt::isAddressEqual(const AddressType &addr1,
const AddressType &addr2)
{
return (std::memcmp(addr1, addr2, sizeof(addr1)) == 0);
}
bool
MultiHeaderPkt::isAddressLess(const AddressType &addr1,
const AddressType &addr2)
{
return (std::memcmp(addr1, addr2, sizeof(addr1)) < 0);
}
void
MultiHeaderPkt::copyAddress(AddressType &dest, const AddressType &src)
{
std::memcpy(dest, src, sizeof(dest));
}
bool
MultiHeaderPkt::isBroadcastAddress(const AddressType &addr)
{
return ((Net::EthAddr *)&addr)->broadcast();
}
bool
MultiHeaderPkt::isMulticastAddress(const AddressType &addr)
{
return ((Net::EthAddr *)&addr)->multicast();
}
bool
MultiHeaderPkt::isUnicastAddress(const AddressType &addr)
{
return ((Net::EthAddr *)&addr)->unicast();
}
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