drivers/staging/vt6655/tether.h

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * 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  * File: tether.h
  20  *
  21  * Purpose:
  22  *
  23  * Author: Tevin Chen
  24  *
  25  * Date: Jan. 28, 1997
  26  *
  27  */
  28
  29 #ifndef __TETHER_H__
  30 #define __TETHER_H__
  31
  32 #include "ttype.h"
  33
  34 /*---------------------  Export Definitions -------------------------*/
  35 //
  36 // constants
  37 //
  38 #define U_ETHER_ADDR_LEN    6           // Ethernet address length
  39 #define U_TYPE_LEN          2           //
  40 #define U_CRC_LEN           4           //
  41 #define U_HEADER_LEN        (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
  42 #define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1)
  43                                         // Ethernet address string length
  44
  45 #define MIN_DATA_LEN        46          // min data length
  46 #define MAX_DATA_LEN        1500        // max data length
  47
  48 #define MIN_PACKET_LEN      (MIN_DATA_LEN + U_HEADER_LEN)
  49                                         // 60
  50                                         // min total packet length (tx)
  51 #define MAX_PACKET_LEN      (MAX_DATA_LEN + U_HEADER_LEN)
  52                                         // 1514
  53                                         // max total packet length (tx)
  54
  55 #define MAX_LOOKAHEAD_SIZE  MAX_PACKET_LEN
  56
  57 #define U_MULTI_ADDR_LEN    8           // multicast address length
  58
  59
  60 #ifdef __BIG_ENDIAN
  61
  62 #define TYPE_PKT_IP         0x0800      //
  63 #define TYPE_PKT_ARP        0x0806      //
  64 #define TYPE_PKT_RARP       0x8035      //
  65 #define TYPE_PKT_IPX        0x8137          //
  66 #define TYPE_PKT_802_1x     0x888e
  67 #define TYPE_PKT_PreAuth    0x88C7
  68
  69 #define TYPE_PKT_PING_M_REQ 0x8011      // master reguest
  70 #define TYPE_PKT_PING_S_GNT 0x8022      // slave grant
  71 #define TYPE_PKT_PING_M     0x8077      // pingpong master packet
  72 #define TYPE_PKT_PING_S     0x8088      // pingpong slave packet
  73 #define TYPE_PKT_WOL_M_REQ  0x8033      // WOL waker request
  74 #define TYPE_PKT_WOL_S_GNT  0x8044      // WOL sleeper grant
  75 #define TYPE_MGMT_PROBE_RSP 0x5000
  76 #define TYPE_PKT_VNT_DIAG   0x8011      // Diag Pkt
  77 #define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
  78 //
  79 // wFrameCtl field in the S802_11Header
  80 //
  81 // NOTE....
  82 //   in network byte order, high byte is going first
  83 #define FC_TODS             0x0001
  84 #define FC_FROMDS           0x0002
  85 #define FC_MOREFRAG         0x0004
  86 #define FC_RETRY            0x0008
  87 #define FC_POWERMGT         0x0010
  88 #define FC_MOREDATA         0x0020
  89 #define FC_WEP              0x0040
  90 #define TYPE_802_11_ATIM    0x9000
  91
  92 #define TYPE_802_11_DATA    0x0800
  93 #define TYPE_802_11_CTL     0x0400
  94 #define TYPE_802_11_MGMT    0x0000
  95 #define TYPE_802_11_MASK    0x0C00
  96 #define TYPE_SUBTYPE_MASK   0xFC00
  97 #define TYPE_802_11_NODATA  0x4000
  98 #define TYPE_DATE_NULL      0x4800
  99
 100 #define TYPE_CTL_PSPOLL     0xa400
 101 #define TYPE_CTL_RTS        0xb400
 102 #define TYPE_CTL_CTS        0xc400
 103 #define TYPE_CTL_ACK        0xd400
 104
 105
 106 //#define WEP_IV_MASK         0xFFFFFF00
 107
 108 #else //if LITTLE_ENDIAN
 109 //
 110 // wType field in the SEthernetHeader
 111 //
 112 // NOTE....
 113 //   in network byte order, high byte is going first
 114 #define TYPE_PKT_IP         0x0008      //
 115 #define TYPE_PKT_ARP        0x0608      //
 116 #define TYPE_PKT_RARP       0x3580      //
 117 #define TYPE_PKT_IPX        0x3781          //
 118
 119 #define TYPE_PKT_802_1x     0x8e88
 120 #define TYPE_PKT_PreAuth    0xC788
 121
 122 #define TYPE_PKT_PING_M_REQ 0x1180      // master reguest
 123 #define TYPE_PKT_PING_S_GNT 0x2280      // slave grant
 124 #define TYPE_PKT_PING_M     0x7780      // pingpong master packet
 125 #define TYPE_PKT_PING_S     0x8880      // pingpong slave packet
 126 #define TYPE_PKT_WOL_M_REQ  0x3380      // WOL waker request
 127 #define TYPE_PKT_WOL_S_GNT  0x4480      // WOL sleeper grant
 128 #define TYPE_MGMT_PROBE_RSP 0x0050
 129 #define TYPE_PKT_VNT_DIAG   0x1180      // Diag Pkt
 130 #define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
 131 //
 132 // wFrameCtl field in the S802_11Header
 133 //
 134 // NOTE....
 135 //   in network byte order, high byte is going first
 136 #define FC_TODS             0x0100
 137 #define FC_FROMDS           0x0200
 138 #define FC_MOREFRAG         0x0400
 139 #define FC_RETRY            0x0800
 140 #define FC_POWERMGT         0x1000
 141 #define FC_MOREDATA         0x2000
 142 #define FC_WEP              0x4000
 143 #define TYPE_802_11_ATIM    0x0090
 144
 145 #define TYPE_802_11_DATA    0x0008
 146 #define TYPE_802_11_CTL     0x0004
 147 #define TYPE_802_11_MGMT    0x0000
 148 #define TYPE_802_11_MASK    0x000C
 149 #define TYPE_SUBTYPE_MASK   0x00FC
 150 #define TYPE_802_11_NODATA  0x0040
 151 #define TYPE_DATE_NULL      0x0048
 152
 153 #define TYPE_CTL_PSPOLL     0x00a4
 154 #define TYPE_CTL_RTS        0x00b4
 155 #define TYPE_CTL_CTS        0x00c4
 156 #define TYPE_CTL_ACK        0x00d4
 157
 158
 159 //#define WEP_IV_MASK         0x00FFFFFF
 160
 161 #endif //#ifdef __BIG_ENDIAN
 162
 163 #define WEP_IV_MASK         0x00FFFFFF
 164
 165 /*---------------------  Export Types  ------------------------------*/
 166 //
 167 // Ethernet packet
 168 //
 169 typedef struct tagSEthernetHeader {
 170     BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
 171     BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
 172     WORD    wType;
 173 }__attribute__ ((__packed__))
 174 SEthernetHeader, *PSEthernetHeader;
 175
 176
 177 //
 178 // 802_3 packet
 179 //
 180 typedef struct tagS802_3Header {
 181     BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
 182     BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
 183     WORD    wLen;
 184 }__attribute__ ((__packed__))
 185 S802_3Header, *PS802_3Header;
 186
 187 //
 188 // 802_11 packet
 189 //
 190 typedef struct tagS802_11Header {
 191     WORD    wFrameCtl;
 192     WORD    wDurationID;
 193     BYTE    abyAddr1[U_ETHER_ADDR_LEN];
 194     BYTE    abyAddr2[U_ETHER_ADDR_LEN];
 195     BYTE    abyAddr3[U_ETHER_ADDR_LEN];
 196     WORD    wSeqCtl;
 197     BYTE    abyAddr4[U_ETHER_ADDR_LEN];
 198 }__attribute__ ((__packed__))
 199 S802_11Header, *PS802_11Header;
 200
 201 /*---------------------  Export Macros ------------------------------*/
 202 // Frame type macro
 203
 204 #define IS_MULTICAST_ADDRESS(pbyEtherAddr)          \
 205     ((*(PBYTE)(pbyEtherAddr) & 0x01) == 1)
 206
 207 #define IS_BROADCAST_ADDRESS(pbyEtherAddr) (        \
 208     (*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) &&     \
 209     (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \
 210 )
 211
 212 #define IS_NULL_ADDRESS(pbyEtherAddr) (             \
 213     (*(PDWORD)(pbyEtherAddr) == 0L) &&              \
 214     (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0)      \
 215 )
 216
 217 #define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) (  \
 218     (*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \
 219     (*(PWORD)((PBYTE)(pbyAddr1) + 4) ==             \
 220     *(PWORD)((PBYTE)(pbyAddr2) + 4))                \
 221 )
 222
 223 /*---------------------  Export Classes  ----------------------------*/
 224
 225 /*---------------------  Export Variables  --------------------------*/
 226
 227 /*---------------------  Export Functions  --------------------------*/
 228
 229 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 230 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
 231 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
 232
 233 #endif // __TETHER_H__
 234
 235
 236