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Diffstat (limited to 'src/dev/net/multi_packet.cc')
-rw-r--r-- | src/dev/net/multi_packet.cc | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/src/dev/net/multi_packet.cc b/src/dev/net/multi_packet.cc new file mode 100644 index 000000000..85f76b0c4 --- /dev/null +++ b/src/dev/net/multi_packet.cc @@ -0,0 +1,100 @@ +/* + * 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/net/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(); +} |