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