Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 1 | /************************************ |
| 2 | * Protocol.h |
| 3 | *************************************/ |
| 4 | #ifndef __PROTOCOL_H__ |
| 5 | #define __PROTOCOL_H__ |
| 6 | |
| 7 | |
| 8 | #define IPV4 4 |
| 9 | #define IPV6 6 |
| 10 | |
| 11 | |
| 12 | struct ArpHeader { |
| 13 | struct arphdr arp; |
| 14 | unsigned char ar_sha[ETH_ALEN]; /* sender hardware address */ |
| 15 | unsigned char ar_sip[4]; /* sender IP address */ |
| 16 | unsigned char ar_tha[ETH_ALEN]; /* target hardware address */ |
| 17 | unsigned char ar_tip[4]; /* target IP address */ |
| 18 | }/*__attribute__((packed))*/; |
| 19 | |
| 20 | |
| 21 | struct TransportHeaderT |
| 22 | { |
| 23 | union |
| 24 | { |
| 25 | struct udphdr uhdr; |
| 26 | struct tcphdr thdr; |
| 27 | }; |
| 28 | } __attribute__((packed)); |
| 29 | typedef struct TransportHeaderT xporthdr; |
| 30 | |
| 31 | |
| 32 | typedef enum _E_NWPKT_IPFRAME_TYPE |
| 33 | { |
| 34 | eNonIPPacket, |
| 35 | eIPv4Packet, |
| 36 | eIPv6Packet |
| 37 | }E_NWPKT_IPFRAME_TYPE; |
| 38 | |
| 39 | typedef enum _E_NWPKT_ETHFRAME_TYPE |
| 40 | { |
| 41 | eEthUnsupportedFrame, |
| 42 | eEth802LLCFrame, |
| 43 | eEth802LLCSNAPFrame, |
| 44 | eEth802QVLANFrame, |
| 45 | eEthOtherFrame |
| 46 | } E_NWPKT_ETHFRAME_TYPE; |
| 47 | |
| 48 | typedef struct _S_ETHCS_PKT_INFO |
| 49 | { |
| 50 | E_NWPKT_IPFRAME_TYPE eNwpktIPFrameType; |
| 51 | E_NWPKT_ETHFRAME_TYPE eNwpktEthFrameType; |
| 52 | USHORT usEtherType; |
| 53 | UCHAR ucDSAP; |
| 54 | }S_ETHCS_PKT_INFO,*PS_ETHCS_PKT_INFO; |
| 55 | |
| 56 | typedef struct _ETH_CS_802_Q_FRAME |
| 57 | { |
| 58 | ETH_HEADER_STRUC EThHdr; |
| 59 | USHORT UserPriority:3; |
| 60 | USHORT CFI:1; |
| 61 | USHORT VLANID:12; |
| 62 | USHORT EthType; |
| 63 | } __attribute__((packed)) ETH_CS_802_Q_FRAME; |
| 64 | |
| 65 | typedef struct _ETH_CS_802_LLC_FRAME |
| 66 | { |
| 67 | ETH_HEADER_STRUC EThHdr; |
| 68 | unsigned char DSAP; |
| 69 | unsigned char SSAP; |
| 70 | unsigned char Control; |
| 71 | }__attribute__((packed)) ETH_CS_802_LLC_FRAME; |
| 72 | |
| 73 | typedef struct _ETH_CS_802_LLC_SNAP_FRAME |
| 74 | { |
| 75 | ETH_HEADER_STRUC EThHdr; |
| 76 | unsigned char DSAP; |
| 77 | unsigned char SSAP; |
| 78 | unsigned char Control; |
| 79 | unsigned char OUI[3]; |
| 80 | unsigned short usEtherType; |
| 81 | } __attribute__((packed)) ETH_CS_802_LLC_SNAP_FRAME; |
| 82 | |
| 83 | typedef struct _ETH_CS_ETH2_FRAME |
| 84 | { |
| 85 | ETH_HEADER_STRUC EThHdr; |
| 86 | } __attribute__((packed)) ETH_CS_ETH2_FRAME; |
| 87 | |
Stephen Hemminger | 78afa99 | 2010-11-01 13:54:21 -0400 | [diff] [blame] | 88 | #define ETHERNET_FRAMETYPE_IPV4 ntohs(0x0800) |
| 89 | #define ETHERNET_FRAMETYPE_IPV6 ntohs(0x86dd) |
| 90 | #define ETHERNET_FRAMETYPE_802QVLAN ntohs(0x8100) |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 91 | |
Stephen Hemminger | f8942e0 | 2010-09-08 14:46:36 -0700 | [diff] [blame] | 92 | //Per SF CS Specification Encodings |
| 93 | typedef enum _E_SERVICEFLOW_CS_SPEC_ |
| 94 | { |
| 95 | eCSSpecUnspecified =0, |
| 96 | eCSPacketIPV4, |
| 97 | eCSPacketIPV6, |
| 98 | eCS802_3PacketEthernet, |
| 99 | eCS802_1QPacketVLAN, |
| 100 | eCSPacketIPV4Over802_3Ethernet, |
| 101 | eCSPacketIPV6Over802_3Ethernet, |
| 102 | eCSPacketIPV4Over802_1QVLAN, |
| 103 | eCSPacketIPV6Over802_1QVLAN, |
| 104 | eCSPacketUnsupported |
| 105 | }E_SERVICEFLOW_CS_SPEC; |
| 106 | |
| 107 | |
| 108 | #define IP6_HEADER_LEN 40 |
| 109 | |
| 110 | #define IP_VERSION(byte) (((byte&0xF0)>>4)) |
| 111 | |
| 112 | |
| 113 | |
| 114 | #define MAC_ADDRESS_SIZE 6 |
| 115 | #define ETH_AND_IP_HEADER_LEN 14 + 20 |
| 116 | #define L4_SRC_PORT_LEN 2 |
| 117 | #define L4_DEST_PORT_LEN 2 |
| 118 | |
| 119 | |
| 120 | |
| 121 | #define CTRL_PKT_LEN 8 + ETH_AND_IP_HEADER_LEN |
| 122 | |
| 123 | #define ETH_ARP_FRAME 0x806 |
| 124 | #define ETH_IPV4_FRAME 0x800 |
| 125 | #define ETH_IPV6_FRAME 0x86DD |
| 126 | #define UDP 0x11 |
| 127 | #define TCP 0x06 |
| 128 | |
| 129 | #define ARP_OP_REQUEST 0x01 |
| 130 | #define ARP_OP_REPLY 0x02 |
| 131 | #define ARP_PKT_SIZE 60 |
| 132 | |
| 133 | // This is the format for the TCP packet header |
| 134 | typedef struct _TCP_HEADER |
| 135 | { |
| 136 | USHORT usSrcPort; |
| 137 | USHORT usDestPort; |
| 138 | ULONG ulSeqNumber; |
| 139 | ULONG ulAckNumber; |
| 140 | UCHAR HeaderLength; |
| 141 | UCHAR ucFlags; |
| 142 | USHORT usWindowsSize; |
| 143 | USHORT usChkSum; |
| 144 | USHORT usUrgetPtr; |
| 145 | } TCP_HEADER,*PTCP_HEADER; |
| 146 | #define TCP_HEADER_LEN sizeof(TCP_HEADER) |
| 147 | #define TCP_ACK 0x10 //Bit 4 in tcpflags field. |
| 148 | #define GET_TCP_HEADER_LEN(byte) ((byte&0xF0)>>4) |
| 149 | |
| 150 | |
| 151 | #endif //__PROTOCOL_H__ |