EthLayer.h

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#ifndef PACKETPP_ETH_LAYER
#define PACKETPP_ETH_LAYER

#include "Layer.h"
#include "MacAddress.h"


namespace pcpp
{

#pragma pack(push, 1)
    struct ether_header {
        uint8_t dstMac[6];
        uint8_t srcMac[6];
        uint16_t etherType;
    };
#pragma pack(pop)

    /* Ethernet protocol ID's */

#define PCPP_ETHERTYPE_PUP      0x0200

#define PCPP_ETHERTYPE_SPRITE   0x0500

#define PCPP_ETHERTYPE_IP       0x0800

#define PCPP_ETHERTYPE_ARP      0x0806

#define PCPP_ETHERTYPE_REVARP   0x8035

#define PCPP_ETHERTYPE_AT       0x809B

#define PCPP_ETHERTYPE_AARP     0x80F3

#define PCPP_ETHERTYPE_VLAN     0x8100

#define PCPP_ETHERTYPE_IPX      0x8137

#define PCPP_ETHERTYPE_IPV6     0x86dd

#define PCPP_ETHERTYPE_LOOPBACK 0x9000

#define PCPP_ETHERTYPE_PPPOED   0x8863

#define PCPP_ETHERTYPE_PPPOES   0x8864

#define PCPP_ETHERTYPE_MPLS     0x8847

#define PCPP_ETHERTYPE_PPP      0x880B


    class EthLayer : public Layer
    {
    public:
        EthLayer(uint8_t* data, size_t dataLen, Packet* packet) : Layer(data, dataLen, NULL, packet) { m_Protocol = Ethernet; }

        EthLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = Ethernet; }

        EthLayer(const MacAddress& sourceMac, const MacAddress& destMac, uint16_t etherType = 0);

        ~EthLayer() {}

        inline ether_header* getEthHeader() { return (ether_header*)m_Data; }

        inline MacAddress getSourceMac() { return MacAddress(getEthHeader()->srcMac); }

        inline void setSourceMac(const MacAddress& sourceMac) { sourceMac.copyTo(getEthHeader()->srcMac); }

        inline MacAddress getDestMac() { return MacAddress(getEthHeader()->dstMac); }

        void setDestMac(const MacAddress& destMac) { destMac.copyTo(getEthHeader()->dstMac); }

        // implement abstract methods

        void parseNextLayer();

        inline size_t getHeaderLen() { return sizeof(ether_header); }

        void computeCalculateFields();

        std::string toString();

        OsiModelLayer getOsiModelLayer() { return OsiModelDataLinkLayer; }
    };

} // namespace pcpp

#endif /* PACKETPP_ETH_LAYER */