release/src-rt-6.x.4708/linux/linux-2.6.36/include/Common/Protocol.h

   1 /*
   2 * Protocol.h
   3 *
   4 *Copyright (C) 2010 Beceem Communications, Inc.
   5 *
   6 *This program is free software: you can redistribute it and/or modify
   7 *it under the terms of the GNU General Public License version 2 as
   8 *published by the Free Software Foundation.
   9 *
  10 *This program is distributed in the hope that it will be useful,but
  11 *WITHOUT ANY WARRANTY; without even the implied warranty of
  12 *MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  13 *See the GNU General Public License for more details.
  14 *
  15 *You should have received a copy of the GNU General Public License
  16 *along with this program. If not, write to the Free Software Foundation, Inc.,
  17 *51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  18 *
  19 */
  20
  21
  22 #ifndef __PROTOCOL_H__
  23 #define __PROTOCOL_H__
  24
  25
  26 #define IPV4                            4
  27 #define IPV6                6
  28
  29
  30 struct ArpHeader {
  31     struct arphdr       arp;
  32     unsigned char       ar_sha[ETH_ALEN];   /* sender hardware address  */
  33     unsigned char       ar_sip[4];      /* sender IP address        */
  34     unsigned char       ar_tha[ETH_ALEN];   /* target hardware address  */
  35     unsigned char       ar_tip[4];      /* target IP address        */
  36 }/*__attribute__((packed))*/;
  37
  38
  39 struct TransportHeaderT
  40 {
  41         union
  42         {
  43                 struct udphdr uhdr;
  44                 struct tcphdr thdr;
  45         };
  46 } __attribute__((packed));
  47 typedef struct TransportHeaderT xporthdr;
  48
  49
  50 typedef enum _E_NWPKT_IPFRAME_TYPE
  51 {
  52         eNonIPPacket,
  53         eIPv4Packet,
  54         eIPv6Packet
  55 }E_NWPKT_IPFRAME_TYPE;
  56
  57 typedef enum _E_NWPKT_ETHFRAME_TYPE
  58 {
  59         eEthUnsupportedFrame,
  60         eEth802LLCFrame,
  61         eEth802LLCSNAPFrame,
  62         eEth802QVLANFrame,
  63         eEthOtherFrame
  64 } E_NWPKT_ETHFRAME_TYPE;
  65
  66 typedef struct _S_ETHCS_PKT_INFO
  67 {
  68         E_NWPKT_IPFRAME_TYPE eNwpktIPFrameType;
  69         E_NWPKT_ETHFRAME_TYPE eNwpktEthFrameType;
  70         USHORT  usEtherType;
  71         UCHAR   ucDSAP;
  72 }S_ETHCS_PKT_INFO,*PS_ETHCS_PKT_INFO;
  73
  74 typedef struct _ETH_CS_802_Q_FRAME
  75 {
  76         ETH_HEADER_STRUC EThHdr;
  77         USHORT UserPriority:3;
  78         USHORT CFI:1;
  79         USHORT VLANID:12;
  80         USHORT EthType;
  81 } __attribute__((packed)) ETH_CS_802_Q_FRAME;
  82
  83 typedef struct _ETH_CS_802_LLC_FRAME
  84 {
  85         ETH_HEADER_STRUC EThHdr;
  86         unsigned char DSAP;
  87         unsigned char SSAP;
  88         unsigned char Control;
  89 }__attribute__((packed)) ETH_CS_802_LLC_FRAME;
  90
  91 typedef struct _ETH_CS_802_LLC_SNAP_FRAME
  92 {
  93         ETH_HEADER_STRUC EThHdr;
  94         unsigned char DSAP;
  95         unsigned char SSAP;
  96         unsigned char Control;
  97         unsigned char OUI[3];
  98         unsigned short usEtherType;
  99 } __attribute__((packed)) ETH_CS_802_LLC_SNAP_FRAME;
 100
 101 typedef struct _ETH_CS_ETH2_FRAME
 102 {
 103         ETH_HEADER_STRUC EThHdr;
 104 } __attribute__((packed)) ETH_CS_ETH2_FRAME;
 105
 106
 107 #define ETHERNET_FRAMETYPE_IPV4 ntohs(0x0800)
 108 #define ETHERNET_FRAMETYPE_IPV6 ntohs(0x86dd)
 109 #define ETHERNET_FRAMETYPE_802QVLAN 0x8100
 110 //Per SF CS Specification Encodings
 111 typedef enum _E_SERVICEFLOW_CS_SPEC_
 112 {
 113         eCSSpecUnspecified =0,
 114         eCSPacketIPV4,
 115         eCSPacketIPV6,
 116         eCS802_3PacketEthernet,
 117         eCS802_1QPacketVLAN,
 118         eCSPacketIPV4Over802_3Ethernet,
 119         eCSPacketIPV6Over802_3Ethernet,
 120         eCSPacketIPV4Over802_1QVLAN,
 121         eCSPacketIPV6Over802_1QVLAN,
 122         eCSPacketUnsupported
 123 }E_SERVICEFLOW_CS_SPEC;
 124
 125
 126 #define IP6_HEADER_LEN  40
 127
 128 #define IP_VERSION(byte)        (((byte&0xF0)>>4))
 129
 130
 131
 132 #define MAC_ADDRESS_SIZE        6
 133 #define ETH_AND_IP_HEADER_LEN   14 + 20
 134 #define L4_SRC_PORT_LEN 2
 135 #define L4_DEST_PORT_LEN 2
 136
 137
 138
 139 #define CTRL_PKT_LEN            8 + ETH_AND_IP_HEADER_LEN
 140
 141 #define ETH_ARP_FRAME                   0x806
 142 #define ETH_IPV4_FRAME                  0x800
 143 #define ETH_IPV6_FRAME                  0x86DD
 144 #define UDP                                     0x11
 145 #define TCP                             0x06
 146
 147 #define ARP_OP_REQUEST                  0x01
 148 #define ARP_OP_REPLY                    0x02
 149 #define ARP_PKT_SIZE                    60
 150
 151 // This is the format for the TCP packet header
 152 typedef struct _TCP_HEADER
 153 {
 154         USHORT usSrcPort;
 155         USHORT usDestPort;
 156         ULONG  ulSeqNumber;
 157         ULONG  ulAckNumber;
 158         UCHAR  HeaderLength;
 159     UCHAR  ucFlags;
 160         USHORT usWindowsSize;
 161         USHORT usChkSum;
 162         USHORT usUrgetPtr;
 163 } TCP_HEADER,*PTCP_HEADER;
 164 #define TCP_HEADER_LEN          sizeof(TCP_HEADER)
 165 #define TCP_ACK             0x10  //Bit 4 in tcpflags field.
 166 #define GET_TCP_HEADER_LEN(byte) ((byte&0xF0)>>4)
 167
 168
 169 #endif //__PROTOCOL_H__