drivers/staging/bcm/Protocol.h

   1 /************************************
   2 *       Protocol.h
   3 *************************************/
   4 #ifndef __PROTOCOL_H__
   5 #define __PROTOCOL_H__
   6
   7 #define IPV4 4
   8 #define IPV6 6
   9
  10 struct ArpHeader {
  11         struct arphdr arp;
  12         unsigned char ar_sha[ETH_ALEN]; /* sender hardware address  */
  13         unsigned char ar_sip[4];        /* sender IP address        */
  14         unsigned char ar_tha[ETH_ALEN]; /* target hardware address  */
  15         unsigned char ar_tip[4];        /* target IP address        */
  16 };
  17
  18 struct bcm_transport_header {
  19         union {
  20                 struct udphdr uhdr;
  21                 struct tcphdr thdr;
  22         };
  23 } __packed;
  24
  25 enum bcm_ip_frame_type {
  26         eNonIPPacket,
  27         eIPv4Packet,
  28         eIPv6Packet
  29 };
  30
  31 enum bcm_eth_frame_type {
  32         eEthUnsupportedFrame,
  33         eEth802LLCFrame,
  34         eEth802LLCSNAPFrame,
  35         eEth802QVLANFrame,
  36         eEthOtherFrame
  37 };
  38
  39 struct bcm_eth_packet_info {
  40         enum bcm_ip_frame_type  eNwpktIPFrameType;
  41         enum bcm_eth_frame_type eNwpktEthFrameType;
  42         unsigned short  usEtherType;
  43         unsigned char   ucDSAP;
  44 };
  45
  46 struct bcm_eth_q_frame {
  47         struct bcm_eth_header EThHdr;
  48         unsigned short UserPriority:3;
  49         unsigned short CFI:1;
  50         unsigned short VLANID:12;
  51         unsigned short EthType;
  52 } __packed;
  53
  54 struct bcm_eth_llc_frame {
  55         struct bcm_eth_header EThHdr;
  56         unsigned char DSAP;
  57         unsigned char SSAP;
  58         unsigned char Control;
  59 } __packed;
  60
  61 struct bcm_eth_llc_snap_frame {
  62         struct bcm_eth_header EThHdr;
  63         unsigned char DSAP;
  64         unsigned char SSAP;
  65         unsigned char Control;
  66         unsigned char OUI[3];
  67         unsigned short usEtherType;
  68 } __packed;
  69
  70 struct bcm_ethernet2_frame {
  71         struct bcm_eth_header EThHdr;
  72 } __packed;
  73
  74 #define ETHERNET_FRAMETYPE_IPV4         ntohs(0x0800)
  75 #define ETHERNET_FRAMETYPE_IPV6         ntohs(0x86dd)
  76 #define ETHERNET_FRAMETYPE_802QVLAN     ntohs(0x8100)
  77
  78 /* Per SF CS Specification Encodings */
  79 enum bcm_spec_encoding {
  80         eCSSpecUnspecified = 0,
  81         eCSPacketIPV4,
  82         eCSPacketIPV6,
  83         eCS802_3PacketEthernet,
  84         eCS802_1QPacketVLAN,
  85         eCSPacketIPV4Over802_3Ethernet,
  86         eCSPacketIPV6Over802_3Ethernet,
  87         eCSPacketIPV4Over802_1QVLAN,
  88         eCSPacketIPV6Over802_1QVLAN,
  89         eCSPacketUnsupported
  90 };
  91
  92 #define IP6_HEADER_LEN          40
  93 #define IP_VERSION(byte)        (((byte&0xF0)>>4))
  94
  95 #define MAC_ADDRESS_SIZE        6
  96 #define ETH_AND_IP_HEADER_LEN   (14 + 20)
  97 #define L4_SRC_PORT_LEN         2
  98 #define L4_DEST_PORT_LEN        2
  99 #define CTRL_PKT_LEN            (8 + ETH_AND_IP_HEADER_LEN)
 100
 101 #define ETH_ARP_FRAME           0x806
 102 #define ETH_IPV4_FRAME          0x800
 103 #define ETH_IPV6_FRAME          0x86DD
 104 #define UDP                     0x11
 105 #define TCP                     0x06
 106
 107 #define ARP_OP_REQUEST          0x01
 108 #define ARP_OP_REPLY            0x02
 109 #define ARP_PKT_SIZE            60
 110
 111 /* This is the format for the TCP packet header */
 112 struct bcm_tcp_header {
 113         unsigned short usSrcPort;
 114         unsigned short usDestPort;
 115         unsigned long  ulSeqNumber;
 116         unsigned long  ulAckNumber;
 117         unsigned char  HeaderLength;
 118         unsigned char  ucFlags;
 119         unsigned short usWindowsSize;
 120         unsigned short usChkSum;
 121         unsigned short usUrgetPtr;
 122 };
 123
 124 #define TCP_HEADER_LEN          sizeof(struct bcm_tcp_header)
 125 #define TCP_ACK                 0x10  /* Bit 4 in tcpflags field. */
 126 #define GET_TCP_HEADER_LEN(byte) ((byte&0xF0)>>4)
 127
 128 #endif /* __PROTOCOL_H__ */