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_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() {}
 
        ether_header* getEthHeader() const { return (ether_header*)m_Data; }
 
        MacAddress getSourceMac() const { return MacAddress(getEthHeader()->srcMac); }
 
        void setSourceMac(const MacAddress& sourceMac) { sourceMac.copyTo(getEthHeader()->srcMac); }
 
        MacAddress getDestMac() const { return MacAddress(getEthHeader()->dstMac); }
 
        void setDestMac(const MacAddress& destMac) { destMac.copyTo(getEthHeader()->dstMac); }
 
        // implement abstract methods
 
        void parseNextLayer();
 
        size_t getHeaderLen() const { return sizeof(ether_header); }
 
        void computeCalculateFields();
 
        std::string toString() const;
 
        OsiModelLayer getOsiModelLayer() const { return OsiModelDataLinkLayer; }
    };
 
} // namespace pcpp
 
#endif /* PACKETPP_ETH_LAYER */