MPLSPacket.hh

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//
// Copyright (c) 2020 Fraunhofer Institute for Applied Information Technology (FIT)
//                    Network Research Group (NET)
//                    Schloss Birlinghoven, 53754 Sankt Augustin, GERMANY
//                    Contact: support@wiback.org
//
// This file is part of the SENF code tree.
// It is licensed under the 3-clause BSD License (aka New BSD License).
// See LICENSE.txt in the top level directory for details or visit
// https://opensource.org/licenses/BSD-3-Clause
//


#ifndef HH_WiBACK_DataPlane_Packets_MPLSPacket_
#define HH_WiBACK_DataPlane_Packets_MPLSPacket_ 1

// Custom includes
#include <senf/Packets/Packets.hh>

namespace senf {

    struct MPLSPacketParser : public PacketParserBase
    {
#       include SENF_FIXED_PARSER()

        SENF_PARSER_BITFIELD( label, 20, unsigned);
        SENF_PARSER_BITFIELD( tc, 3, unsigned);
        SENF_PARSER_BITFIELD_RO( s, 1, bool);
        SENF_PARSER_FIELD( ttl, UInt8Parser);

        SENF_PARSER_FINALIZE(MPLSPacketParser);

        friend struct MPLSPacketType;
    };

    struct MPLSPacketType
        : public PacketTypeBase,
          public PacketTypeMixin<MPLSPacketType>
    {
        typedef PacketTypeMixin<MPLSPacketType> mixin;
        typedef ConcretePacket<MPLSPacketType> packet;
        typedef MPLSPacketParser parser;

        using mixin::nextPacketRange;
        using mixin::initSize;
        using mixin::init;

        static factory_t nextPacketType(packet p);
        static void dump(packet p, std::ostream & os);
        static void finalize(packet p);

        static constexpr std::uint16_t etherType = 0x8847;
    };

    typedef ConcretePacket<MPLSPacketType> MPLSPacket;
    SENF_PACKET_PREVENT_TEMPLATE_INSTANTIATION( senf::MPLSPacket );
}

#include "MPLSPacket.cci"
//#include "MPLSPacket.ct"
//#include "MPLSPacket.cti"
#endif