PcapPlusPlus  20.08+
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 
67  class EthLayer : public Layer
68  {
69  public:
76  EthLayer(uint8_t* data, size_t dataLen, Packet* packet) : Layer(data, dataLen, NULL, packet) { m_Protocol = Ethernet; }
77 
85  EthLayer(uint8_t* data, size_t dataLen, Layer* prevLayer, Packet* packet) : Layer(data, dataLen, prevLayer, packet) { m_Protocol = Ethernet; }
86 
93  EthLayer(const MacAddress& sourceMac, const MacAddress& destMac, uint16_t etherType = 0);
94 
95  ~EthLayer() {}
96 
101  ether_header* getEthHeader() const { return (ether_header*)m_Data; }
102 
107  MacAddress getSourceMac() const { return MacAddress(getEthHeader()->srcMac); }
108 
113  void setSourceMac(const MacAddress& sourceMac) { sourceMac.copyTo(getEthHeader()->srcMac); }
114 
119  MacAddress getDestMac() const { return MacAddress(getEthHeader()->dstMac); }
120 
125  void setDestMac(const MacAddress& destMac) { destMac.copyTo(getEthHeader()->dstMac); }
126 
127  // implement abstract methods
128 
134  void parseNextLayer();
135 
139  size_t getHeaderLen() const { return sizeof(ether_header); }
140 
144  void computeCalculateFields();
145 
146  std::string toString() const;
147 
149 
156  static bool isDataValid(const uint8_t* data, size_t dataLen);
157  };
158 
159 } // namespace pcpp
160 
161 #endif /* PACKETPP_ETH_LAYER */
The main namespace for the PcapPlusPlus lib.
OsiModelLayer
Definition: ProtocolType.h:238
size_t getHeaderLen() const
Definition: EthLayer.h:139
uint16_t etherType
Definition: EthLayer.h:27
EthLayer(uint8_t *data, size_t dataLen, Layer *prevLayer, Packet *packet)
Definition: EthLayer.h:85
uint8_t dstMac[6]
Definition: EthLayer.h:23
Definition: ProtocolType.h:243
Definition: Layer.h:70
EthLayer(uint8_t *data, size_t dataLen, Packet *packet)
Definition: EthLayer.h:76
Definition: Packet.h:26
OsiModelLayer getOsiModelLayer() const
Definition: EthLayer.h:148
ether_header * getEthHeader() const
Definition: EthLayer.h:101
void copyTo(uint8_t **arr) const
Definition: MacAddress.h:143
Definition: EthLayer.h:67
const ProtocolType Ethernet
Definition: ProtocolType.h:28
uint8_t srcMac[6]
Definition: EthLayer.h:25
MacAddress getSourceMac() const
Definition: EthLayer.h:107
MacAddress getDestMac() const
Definition: EthLayer.h:119
Definition: EthLayer.h:21
Definition: MacAddress.h:27
void setSourceMac(const MacAddress &sourceMac)
Definition: EthLayer.h:113
void setDestMac(const MacAddress &destMac)
Definition: EthLayer.h:125