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_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1)
  40                                         // Ethernet address string length
  41 #define U_MULTI_ADDR_LEN    8           // multicast address length
  42
  43 #ifdef __BIG_ENDIAN
  44
  45 #define TYPE_MGMT_PROBE_RSP 0x5000
  46
  47 //
  48 // wFrameCtl field in the S802_11Header
  49 //
  50 // NOTE....
  51 //   in network byte order, high byte is going first
  52 #define FC_TODS             0x0001
  53 #define FC_FROMDS           0x0002
  54 #define FC_MOREFRAG         0x0004
  55 #define FC_RETRY            0x0008
  56 #define FC_POWERMGT         0x0010
  57 #define FC_MOREDATA         0x0020
  58 #define FC_WEP              0x0040
  59 #define TYPE_802_11_ATIM    0x9000
  60
  61 #define TYPE_802_11_DATA    0x0800
  62 #define TYPE_802_11_CTL     0x0400
  63 #define TYPE_802_11_MGMT    0x0000
  64 #define TYPE_802_11_MASK    0x0C00
  65 #define TYPE_SUBTYPE_MASK   0xFC00
  66 #define TYPE_802_11_NODATA  0x4000
  67 #define TYPE_DATE_NULL      0x4800
  68
  69 #define TYPE_CTL_PSPOLL     0xa400
  70 #define TYPE_CTL_RTS        0xb400
  71 #define TYPE_CTL_CTS        0xc400
  72 #define TYPE_CTL_ACK        0xd400
  73
  74
  75
  76 #else //if LITTLE_ENDIAN
  77 //
  78 // wType field in the SEthernetHeader
  79 //
  80 // NOTE....
  81 //   in network byte order, high byte is going first
  82
  83 #define TYPE_MGMT_PROBE_RSP 0x0050
  84
  85 //
  86 // wFrameCtl field in the S802_11Header
  87 //
  88 // NOTE....
  89 //   in network byte order, high byte is going first
  90 #define FC_TODS             0x0100
  91 #define FC_FROMDS           0x0200
  92 #define FC_MOREFRAG         0x0400
  93 #define FC_RETRY            0x0800
  94 #define FC_POWERMGT         0x1000
  95 #define FC_MOREDATA         0x2000
  96 #define FC_WEP              0x4000
  97 #define TYPE_802_11_ATIM    0x0090
  98
  99 #define TYPE_802_11_DATA    0x0008
 100 #define TYPE_802_11_CTL     0x0004
 101 #define TYPE_802_11_MGMT    0x0000
 102 #define TYPE_802_11_MASK    0x000C
 103 #define TYPE_SUBTYPE_MASK   0x00FC
 104 #define TYPE_802_11_NODATA  0x0040
 105 #define TYPE_DATE_NULL      0x0048
 106
 107 #define TYPE_CTL_PSPOLL     0x00a4
 108 #define TYPE_CTL_RTS        0x00b4
 109 #define TYPE_CTL_CTS        0x00c4
 110 #define TYPE_CTL_ACK        0x00d4
 111
 112
 113
 114 #endif //#ifdef __BIG_ENDIAN
 115
 116 #define WEP_IV_MASK         0x00FFFFFF
 117
 118 /*---------------------  Export Types  ------------------------------*/
 119 //
 120 // Ethernet packet
 121 //
 122 typedef struct tagSEthernetHeader {
 123     BYTE    abyDstAddr[ETH_ALEN];
 124     BYTE    abySrcAddr[ETH_ALEN];
 125     WORD    wType;
 126 } __attribute__ ((__packed__))
 127 SEthernetHeader, *PSEthernetHeader;
 128
 129
 130 //
 131 // 802_3 packet
 132 //
 133 typedef struct tagS802_3Header {
 134     BYTE    abyDstAddr[ETH_ALEN];
 135     BYTE    abySrcAddr[ETH_ALEN];
 136     WORD    wLen;
 137 } __attribute__ ((__packed__))
 138 S802_3Header, *PS802_3Header;
 139
 140 //
 141 // 802_11 packet
 142 //
 143 typedef struct tagS802_11Header {
 144     WORD    wFrameCtl;
 145     WORD    wDurationID;
 146     BYTE    abyAddr1[ETH_ALEN];
 147     BYTE    abyAddr2[ETH_ALEN];
 148     BYTE    abyAddr3[ETH_ALEN];
 149     WORD    wSeqCtl;
 150     BYTE    abyAddr4[ETH_ALEN];
 151 } __attribute__ ((__packed__))
 152 S802_11Header, *PS802_11Header;
 153
 154 /*---------------------  Export Macros ------------------------------*/
 155
 156 /*---------------------  Export Classes  ----------------------------*/
 157
 158 /*---------------------  Export Variables  --------------------------*/
 159
 160 /*---------------------  Export Functions  --------------------------*/
 161
 162 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
 163 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
 164 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength);
 165
 166 #endif /* __TETHER_H__ */