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