drivers/staging/vt6656/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
  30
  31 #ifndef __TETHER_H__
  32 #define __TETHER_H__
  33
  34
  35 #if !defined(__TTYPE_H__)
  36 #include "ttype.h"
  37 #endif
  38
  39
  40
  41
  42 /*---------------------  Export Definitions -------------------------*/
  43 //
  44 // constants
  45 //
  46 #define U_ETHER_ADDR_LEN    6           // Ethernet address length
  47 #define U_TYPE_LEN          2           //
  48 #define U_CRC_LEN           4           //
  49 #define U_HEADER_LEN        (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
  50 #define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1)
  51                                         // Ethernet address string length
  52
  53 #define MIN_DATA_LEN        46          // min data length
  54 #define MAX_DATA_LEN        1500        // max data length
  55
  56 #define MIN_PACKET_LEN      (MIN_DATA_LEN + U_HEADER_LEN)
  57                                         // 60
  58                                         // min total packet length (tx)
  59 #define MAX_PACKET_LEN      (MAX_DATA_LEN + U_HEADER_LEN)
  60                                         // 1514
  61                                         // max total packet length (tx)
  62
  63 #define MAX_LOOKAHEAD_SIZE  MAX_PACKET_LEN
  64
  65 #define U_MULTI_ADDR_LEN    8           // multicast address length
  66
  67
  68 #ifdef __BIG_ENDIAN
  69
  70 #define TYPE_PKT_IP         0x0800      //
  71 #define TYPE_PKT_ARP        0x0806      //
  72 #define TYPE_PKT_RARP       0x8035      //
  73 #define TYPE_PKT_IPX        0x8137          //
  74 #define TYPE_PKT_802_1x     0x888e
  75 #define TYPE_PKT_PreAuth    0x88C7
  76
  77 #define TYPE_PKT_PING_M_REQ 0x8011      // master reguest
  78 #define TYPE_PKT_PING_S_GNT 0x8022      // slave grant
  79 #define TYPE_PKT_PING_M     0x8077      // pingpong master packet
  80 #define TYPE_PKT_PING_S     0x8088      // pingpong slave packet
  81 #define TYPE_PKT_WOL_M_REQ  0x8033      // WOL waker request
  82 #define TYPE_PKT_WOL_S_GNT  0x8044      // WOL sleeper grant
  83 #define TYPE_MGMT_PROBE_RSP 0x5000
  84 #define TYPE_PKT_VNT_DIAG   0x8011      // Diag Pkt
  85 #define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
  86 //
  87 // wFrameCtl field in the S802_11Header
  88 //
  89 // NOTE....
  90 //   in network byte order, high byte is going first
  91 #define FC_TODS             0x0001
  92 #define FC_FROMDS           0x0002
  93 #define FC_MOREFRAG         0x0004
  94 #define FC_RETRY            0x0008
  95 #define FC_POWERMGT         0x0010
  96 #define FC_MOREDATA         0x0020
  97 #define FC_WEP              0x0040
  98 #define TYPE_802_11_ATIM    0x9000
  99
 100 #define TYPE_802_11_DATA    0x0800
 101 #define TYPE_802_11_CTL     0x0400
 102 #define TYPE_802_11_MGMT    0x0000
 103 #define TYPE_802_11_MASK    0x0C00
 104 #define TYPE_SUBTYPE_MASK   0xFC00
 105 #define TYPE_802_11_NODATA  0x4000
 106 #define TYPE_DATE_NULL      0x4800
 107
 108 #define TYPE_CTL_PSPOLL     0xa400
 109 #define TYPE_CTL_RTS        0xb400
 110 #define TYPE_CTL_CTS        0xc400
 111 #define TYPE_CTL_ACK        0xd400
 112
 113
 114 //#define WEP_IV_MASK         0xFFFFFF00
 115
 116 #else //if LITTLE_ENDIAN
 117 //
 118 // wType field in the SEthernetHeader
 119 //
 120 // NOTE....
 121 //   in network byte order, high byte is going first
 122 #define TYPE_PKT_IP         0x0008      //
 123 #define TYPE_PKT_ARP        0x0608      //
 124 #define TYPE_PKT_RARP       0x3580      //
 125 #define TYPE_PKT_IPX        0x3781          //
 126
 127 #define TYPE_PKT_802_1x     0x8e88
 128 #define TYPE_PKT_PreAuth    0xC788
 129
 130 #define TYPE_PKT_PING_M_REQ 0x1180      // master reguest
 131 #define TYPE_PKT_PING_S_GNT 0x2280      // slave grant
 132 #define TYPE_PKT_PING_M     0x7780      // pingpong master packet
 133 #define TYPE_PKT_PING_S     0x8880      // pingpong slave packet
 134 #define TYPE_PKT_WOL_M_REQ  0x3380      // WOL waker request
 135 #define TYPE_PKT_WOL_S_GNT  0x4480      // WOL sleeper grant
 136 #define TYPE_MGMT_PROBE_RSP 0x0050
 137 #define TYPE_PKT_VNT_DIAG   0x1180      // Diag Pkt
 138 #define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
 139 //
 140 // wFrameCtl field in the S802_11Header
 141 //
 142 // NOTE....
 143 //   in network byte order, high byte is going first
 144 #define FC_TODS             0x0100
 145 #define FC_FROMDS           0x0200
 146 #define FC_MOREFRAG         0x0400
 147 #define FC_RETRY            0x0800
 148 #define FC_POWERMGT         0x1000
 149 #define FC_MOREDATA         0x2000
 150 #define FC_WEP              0x4000
 151 #define TYPE_802_11_ATIM    0x0090
 152
 153 #define TYPE_802_11_DATA    0x0008
 154 #define TYPE_802_11_CTL     0x0004
 155 #define TYPE_802_11_MGMT    0x0000
 156 #define TYPE_802_11_MASK    0x000C
 157 #define TYPE_SUBTYPE_MASK   0x00FC
 158 #define TYPE_802_11_NODATA  0x0040
 159 #define TYPE_DATE_NULL      0x0048
 160
 161 #define TYPE_CTL_PSPOLL     0x00a4
 162 #define TYPE_CTL_RTS        0x00b4
 163 #define TYPE_CTL_CTS        0x00c4
 164 #define TYPE_CTL_ACK        0x00d4
 165
 166
 167 //#define WEP_IV_MASK         0x00FFFFFF
 168
 169 #endif //#ifdef __BIG_ENDIAN
 170
 171 #define WEP_IV_MASK         0x00FFFFFF
 172
 173 /*---------------------  Export Types  ------------------------------*/
 174 //
 175 // Ethernet packet
 176 //
 177 typedef struct tagSEthernetHeader {
 178     BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
 179     BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
 180     WORD    wType;
 181 }__attribute__ ((__packed__))
 182 SEthernetHeader, *PSEthernetHeader;
 183
 184
 185 //
 186 // 802_3 packet
 187 //
 188 typedef struct tagS802_3Header {
 189     BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
 190     BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
 191     WORD    wLen;
 192 }__attribute__ ((__packed__))
 193 S802_3Header, *PS802_3Header;
 194
 195 //
 196 // 802_11 packet
 197 //
 198 typedef struct tagS802_11Header {
 199     WORD    wFrameCtl;
 200     WORD    wDurationID;
 201     BYTE    abyAddr1[U_ETHER_ADDR_LEN];
 202     BYTE    abyAddr2[U_ETHER_ADDR_LEN];
 203     BYTE    abyAddr3[U_ETHER_ADDR_LEN];
 204     WORD    wSeqCtl;
 205     BYTE    abyAddr4[U_ETHER_ADDR_LEN];
 206 }__attribute__ ((__packed__))
 207 S802_11Header, *PS802_11Header;
 208
 209 /*---------------------  Export Macros ------------------------------*/
 210 // Frame type macro
 211
 212 #define IS_MULTICAST_ADDRESS(pbyEtherAddr)          \
 213     ((*(PBYTE)(pbyEtherAddr) & 0x01) == 1)
 214
 215 #define IS_BROADCAST_ADDRESS(pbyEtherAddr) (        \
 216     (*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) &&     \
 217     (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \
 218 )
 219
 220 #define IS_NULL_ADDRESS(pbyEtherAddr) (             \
 221     (*(PDWORD)(pbyEtherAddr) == 0L) &&              \
 222     (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0)      \
 223 )
 224
 225 #define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) (  \
 226     (*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \
 227     (*(PWORD)((PBYTE)(pbyAddr1) + 4) ==             \
 228     *(PWORD)((PBYTE)(pbyAddr2) + 4))                \
 229 )
 230
 231 /*---------------------  Export Classes  ----------------------------*/
 232
 233 /*---------------------  Export Variables  --------------------------*/
 234
 235 /*---------------------  Export Functions  --------------------------*/
 236 #ifdef __cplusplus
 237 extern "C" {                            /* Assume C declarations for C++ */
 238 #endif /* __cplusplus */
 239
 240
 241 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 242 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
 243 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);
 244
 245
 246 #ifdef __cplusplus
 247 }                                       /* End of extern "C" { */
 248 #endif /* __cplusplus */
 249
 250
 251
 252
 253 #endif // __TETHER_H__
 254
 255
 256