PcapPlusPlus  21.05
EthLayer.h
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1 #ifndef PACKETPP_ETH_LAYER
2 #define PACKETPP_ETH_LAYER
3 
4 #include "Layer.h"
5 #include "MacAddress.h"
6 
8 
13 namespace pcpp
14 {
15 
20 #pragma pack(push, 1)
21  struct ether_header {
23  uint8_t dstMac[6];
25  uint8_t srcMac[6];
27  uint16_t etherType;
28  };
29 #pragma pack(pop)
30 
31  /* Ethernet protocol ID's */
32 
34 #define PCPP_ETHERTYPE_IP 0x0800
35 
36 #define PCPP_ETHERTYPE_ARP 0x0806
37 
38 #define PCPP_ETHERTYPE_ETHBRIDGE 0x6558
39 
40 #define PCPP_ETHERTYPE_REVARP 0x8035
41 
42 #define PCPP_ETHERTYPE_AT 0x809B
43 
44 #define PCPP_ETHERTYPE_AARP 0x80F3
45 
46 #define PCPP_ETHERTYPE_VLAN 0x8100
47 
48 #define PCPP_ETHERTYPE_IPX 0x8137
49 
50 #define PCPP_ETHERTYPE_IPV6 0x86dd
51 
52 #define PCPP_ETHERTYPE_LOOPBACK 0x9000
53 
54 #define PCPP_ETHERTYPE_PPPOED 0x8863
55 
56 #define PCPP_ETHERTYPE_PPPOES 0x8864
57 
58 #define PCPP_ETHERTYPE_MPLS 0x8847
59 
60 #define PCPP_ETHERTYPE_PPP 0x880B
61 
62 #define PCPP_ETHERTYPE_ROCEV1 0x8915
63 
64 #define PCPP_ETHERTYPE_IEEE_802_1AD 0x88A8
65 
66 
71  class EthLayer : public Layer
72  {
73  public:
80  EthLayer(uint8_t* data, size_t dataLen, Packet* packet) : Layer(data, dataLen, NULL, packet) { m_Protocol = Ethernet; }
81 
89  EthLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = Ethernet; }
90 
97  EthLayer(const MacAddress& sourceMac, const MacAddress& destMac, uint16_t etherType = 0);
98 
99  ~EthLayer() {}
100 
105  ether_header* getEthHeader() const { return (ether_header*)m_Data; }
106 
111  MacAddress getSourceMac() const { return MacAddress(getEthHeader()->srcMac); }
112 
117  void setSourceMac(const MacAddress& sourceMac) { sourceMac.copyTo(getEthHeader()->srcMac); }
118 
123  MacAddress getDestMac() const { return MacAddress(getEthHeader()->dstMac); }
124 
129  void setDestMac(const MacAddress& destMac) { destMac.copyTo(getEthHeader()->dstMac); }
130 
131  // implement abstract methods
132 
138  void parseNextLayer();
139 
143  size_t getHeaderLen() const { return sizeof(ether_header); }
144 
148  void computeCalculateFields();
149 
150  std::string toString() const;
151 
153 
160  static bool isDataValid(const uint8_t* data, size_t dataLen);
161  };
162 
163 } // namespace pcpp
164 
165 #endif /* PACKETPP_ETH_LAYER */
The main namespace for the PcapPlusPlus lib.
OsiModelLayer
Definition: ProtocolType.h:253
size_t getHeaderLen() const
Definition: EthLayer.h:143
uint16_t etherType
Definition: EthLayer.h:27
EthLayer(uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
Definition: EthLayer.h:89
uint8_t dstMac[6]
Definition: EthLayer.h:23
Definition: ProtocolType.h:258
Definition: Layer.h:70
EthLayer(uint8_t *data, size_t dataLen, Packet *packet)
Definition: EthLayer.h:80
Definition: Packet.h:26
OsiModelLayer getOsiModelLayer() const
Definition: EthLayer.h:152
ether_header * getEthHeader() const
Definition: EthLayer.h:105
void copyTo(uint8_t **arr) const
Definition: MacAddress.h:143
Definition: EthLayer.h:71
const ProtocolType Ethernet
Definition: ProtocolType.h:28
uint8_t srcMac[6]
Definition: EthLayer.h:25
MacAddress getSourceMac() const
Definition: EthLayer.h:111
MacAddress getDestMac() const
Definition: EthLayer.h:123
Definition: EthLayer.h:21
Definition: MacAddress.h:27
void setSourceMac(const MacAddress &sourceMac)
Definition: EthLayer.h:117
void setDestMac(const MacAddress &destMac)
Definition: EthLayer.h:129