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 //#define WEP_IV_MASK 0xFFFFFF00 76 77 #else //if LITTLE_ENDIAN 78 // 79 // wType field in the SEthernetHeader 80 // 81 // NOTE.... 82 // in network byte order, high byte is going first 83 84 #define TYPE_MGMT_PROBE_RSP 0x0050 85 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 0x0100 92 #define FC_FROMDS 0x0200 93 #define FC_MOREFRAG 0x0400 94 #define FC_RETRY 0x0800 95 #define FC_POWERMGT 0x1000 96 #define FC_MOREDATA 0x2000 97 #define FC_WEP 0x4000 98 #define TYPE_802_11_ATIM 0x0090 99 100 #define TYPE_802_11_DATA 0x0008 101 #define TYPE_802_11_CTL 0x0004 102 #define TYPE_802_11_MGMT 0x0000 103 #define TYPE_802_11_MASK 0x000C 104 #define TYPE_SUBTYPE_MASK 0x00FC 105 #define TYPE_802_11_NODATA 0x0040 106 #define TYPE_DATE_NULL 0x0048 107 108 #define TYPE_CTL_PSPOLL 0x00a4 109 #define TYPE_CTL_RTS 0x00b4 110 #define TYPE_CTL_CTS 0x00c4 111 #define TYPE_CTL_ACK 0x00d4 112 113 114 //#define WEP_IV_MASK 0x00FFFFFF 115 116 #endif //#ifdef __BIG_ENDIAN 117 118 #define WEP_IV_MASK 0x00FFFFFF 119 120 /*--------------------- Export Types ------------------------------*/ 121 // 122 // Ethernet packet 123 // 124 typedef struct tagSEthernetHeader { 125 BYTE abyDstAddr[ETH_ALEN]; 126 BYTE abySrcAddr[ETH_ALEN]; 127 WORD wType; 128 } __attribute__ ((__packed__)) 129 SEthernetHeader, *PSEthernetHeader; 130 131 132 // 133 // 802_3 packet 134 // 135 typedef struct tagS802_3Header { 136 BYTE abyDstAddr[ETH_ALEN]; 137 BYTE abySrcAddr[ETH_ALEN]; 138 WORD wLen; 139 } __attribute__ ((__packed__)) 140 S802_3Header, *PS802_3Header; 141 142 // 143 // 802_11 packet 144 // 145 typedef struct tagS802_11Header { 146 WORD wFrameCtl; 147 WORD wDurationID; 148 BYTE abyAddr1[ETH_ALEN]; 149 BYTE abyAddr2[ETH_ALEN]; 150 BYTE abyAddr3[ETH_ALEN]; 151 WORD wSeqCtl; 152 BYTE abyAddr4[ETH_ALEN]; 153 } __attribute__ ((__packed__)) 154 S802_11Header, *PS802_11Header; 155 156 /*--------------------- Export Macros ------------------------------*/ 157 158 /*--------------------- Export Classes ----------------------------*/ 159 160 /*--------------------- Export Variables --------------------------*/ 161 162 /*--------------------- Export Functions --------------------------*/ 163 164 BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr); 165 //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr); 166 BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, unsigned int cbFrameLength); 167 168 #endif /* __TETHER_H__ */ 169