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