Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 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 | |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 29 | #ifndef __TETHER_H__ |
| 30 | #define __TETHER_H__ |
| 31 | |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 32 | #include <linux/if_ether.h> |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 33 | #include "ttype.h" |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 34 | |
| 35 | /*--------------------- Export Definitions -------------------------*/ |
| 36 | // |
| 37 | // constants |
| 38 | // |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 39 | #define U_TYPE_LEN 2 // |
| 40 | #define U_CRC_LEN 4 // |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 41 | #define U_HEADER_LEN (ETH_ALEN * 2 + U_TYPE_LEN) |
| 42 | #define U_ETHER_ADDR_STR_LEN (ETH_ALEN * 2 + 1) |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 43 | // Ethernet address string length |
| 44 | |
| 45 | #define MIN_DATA_LEN 46 // min data length |
| 46 | #define MAX_DATA_LEN 1500 // max data length |
| 47 | |
| 48 | #define MIN_PACKET_LEN (MIN_DATA_LEN + U_HEADER_LEN) |
| 49 | // 60 |
| 50 | // min total packet length (tx) |
| 51 | #define MAX_PACKET_LEN (MAX_DATA_LEN + U_HEADER_LEN) |
| 52 | // 1514 |
| 53 | // max total packet length (tx) |
| 54 | |
| 55 | #define MAX_LOOKAHEAD_SIZE MAX_PACKET_LEN |
| 56 | |
| 57 | #define U_MULTI_ADDR_LEN 8 // multicast address length |
| 58 | |
| 59 | |
| 60 | #ifdef __BIG_ENDIAN |
| 61 | |
| 62 | #define TYPE_PKT_IP 0x0800 // |
| 63 | #define TYPE_PKT_ARP 0x0806 // |
| 64 | #define TYPE_PKT_RARP 0x8035 // |
| 65 | #define TYPE_PKT_IPX 0x8137 // |
| 66 | #define TYPE_PKT_802_1x 0x888e |
| 67 | #define TYPE_PKT_PreAuth 0x88C7 |
| 68 | |
| 69 | #define TYPE_PKT_PING_M_REQ 0x8011 // master reguest |
| 70 | #define TYPE_PKT_PING_S_GNT 0x8022 // slave grant |
| 71 | #define TYPE_PKT_PING_M 0x8077 // pingpong master packet |
| 72 | #define TYPE_PKT_PING_S 0x8088 // pingpong slave packet |
| 73 | #define TYPE_PKT_WOL_M_REQ 0x8033 // WOL waker request |
| 74 | #define TYPE_PKT_WOL_S_GNT 0x8044 // WOL sleeper grant |
| 75 | #define TYPE_MGMT_PROBE_RSP 0x5000 |
| 76 | #define TYPE_PKT_VNT_DIAG 0x8011 // Diag Pkt |
| 77 | #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt |
| 78 | // |
| 79 | // wFrameCtl field in the S802_11Header |
| 80 | // |
| 81 | // NOTE.... |
| 82 | // in network byte order, high byte is going first |
| 83 | #define FC_TODS 0x0001 |
| 84 | #define FC_FROMDS 0x0002 |
| 85 | #define FC_MOREFRAG 0x0004 |
| 86 | #define FC_RETRY 0x0008 |
| 87 | #define FC_POWERMGT 0x0010 |
| 88 | #define FC_MOREDATA 0x0020 |
| 89 | #define FC_WEP 0x0040 |
| 90 | #define TYPE_802_11_ATIM 0x9000 |
| 91 | |
| 92 | #define TYPE_802_11_DATA 0x0800 |
| 93 | #define TYPE_802_11_CTL 0x0400 |
| 94 | #define TYPE_802_11_MGMT 0x0000 |
| 95 | #define TYPE_802_11_MASK 0x0C00 |
| 96 | #define TYPE_SUBTYPE_MASK 0xFC00 |
| 97 | #define TYPE_802_11_NODATA 0x4000 |
| 98 | #define TYPE_DATE_NULL 0x4800 |
| 99 | |
| 100 | #define TYPE_CTL_PSPOLL 0xa400 |
| 101 | #define TYPE_CTL_RTS 0xb400 |
| 102 | #define TYPE_CTL_CTS 0xc400 |
| 103 | #define TYPE_CTL_ACK 0xd400 |
| 104 | |
| 105 | |
| 106 | //#define WEP_IV_MASK 0xFFFFFF00 |
| 107 | |
| 108 | #else //if LITTLE_ENDIAN |
| 109 | // |
| 110 | // wType field in the SEthernetHeader |
| 111 | // |
| 112 | // NOTE.... |
| 113 | // in network byte order, high byte is going first |
| 114 | #define TYPE_PKT_IP 0x0008 // |
| 115 | #define TYPE_PKT_ARP 0x0608 // |
| 116 | #define TYPE_PKT_RARP 0x3580 // |
| 117 | #define TYPE_PKT_IPX 0x3781 // |
| 118 | |
| 119 | #define TYPE_PKT_802_1x 0x8e88 |
| 120 | #define TYPE_PKT_PreAuth 0xC788 |
| 121 | |
| 122 | #define TYPE_PKT_PING_M_REQ 0x1180 // master reguest |
| 123 | #define TYPE_PKT_PING_S_GNT 0x2280 // slave grant |
| 124 | #define TYPE_PKT_PING_M 0x7780 // pingpong master packet |
| 125 | #define TYPE_PKT_PING_S 0x8880 // pingpong slave packet |
| 126 | #define TYPE_PKT_WOL_M_REQ 0x3380 // WOL waker request |
| 127 | #define TYPE_PKT_WOL_S_GNT 0x4480 // WOL sleeper grant |
| 128 | #define TYPE_MGMT_PROBE_RSP 0x0050 |
| 129 | #define TYPE_PKT_VNT_DIAG 0x1180 // Diag Pkt |
| 130 | #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt |
| 131 | // |
| 132 | // wFrameCtl field in the S802_11Header |
| 133 | // |
| 134 | // NOTE.... |
| 135 | // in network byte order, high byte is going first |
| 136 | #define FC_TODS 0x0100 |
| 137 | #define FC_FROMDS 0x0200 |
| 138 | #define FC_MOREFRAG 0x0400 |
| 139 | #define FC_RETRY 0x0800 |
| 140 | #define FC_POWERMGT 0x1000 |
| 141 | #define FC_MOREDATA 0x2000 |
| 142 | #define FC_WEP 0x4000 |
| 143 | #define TYPE_802_11_ATIM 0x0090 |
| 144 | |
| 145 | #define TYPE_802_11_DATA 0x0008 |
| 146 | #define TYPE_802_11_CTL 0x0004 |
| 147 | #define TYPE_802_11_MGMT 0x0000 |
| 148 | #define TYPE_802_11_MASK 0x000C |
| 149 | #define TYPE_SUBTYPE_MASK 0x00FC |
| 150 | #define TYPE_802_11_NODATA 0x0040 |
| 151 | #define TYPE_DATE_NULL 0x0048 |
| 152 | |
| 153 | #define TYPE_CTL_PSPOLL 0x00a4 |
| 154 | #define TYPE_CTL_RTS 0x00b4 |
| 155 | #define TYPE_CTL_CTS 0x00c4 |
| 156 | #define TYPE_CTL_ACK 0x00d4 |
| 157 | |
| 158 | |
| 159 | //#define WEP_IV_MASK 0x00FFFFFF |
| 160 | |
| 161 | #endif //#ifdef __BIG_ENDIAN |
| 162 | |
| 163 | #define WEP_IV_MASK 0x00FFFFFF |
| 164 | |
| 165 | /*--------------------- Export Types ------------------------------*/ |
| 166 | // |
| 167 | // Ethernet packet |
| 168 | // |
| 169 | typedef struct tagSEthernetHeader { |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 170 | BYTE abyDstAddr[ETH_ALEN]; |
| 171 | BYTE abySrcAddr[ETH_ALEN]; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 172 | WORD wType; |
| 173 | }__attribute__ ((__packed__)) |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 174 | SEthernetHeader, *PSEthernetHeader; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 175 | |
| 176 | |
| 177 | // |
| 178 | // 802_3 packet |
| 179 | // |
| 180 | typedef struct tagS802_3Header { |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 181 | BYTE abyDstAddr[ETH_ALEN]; |
| 182 | BYTE abySrcAddr[ETH_ALEN]; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 183 | WORD wLen; |
| 184 | }__attribute__ ((__packed__)) |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 185 | S802_3Header, *PS802_3Header; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 186 | |
| 187 | // |
| 188 | // 802_11 packet |
| 189 | // |
| 190 | typedef struct tagS802_11Header { |
| 191 | WORD wFrameCtl; |
| 192 | WORD wDurationID; |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 193 | BYTE abyAddr1[ETH_ALEN]; |
| 194 | BYTE abyAddr2[ETH_ALEN]; |
| 195 | BYTE abyAddr3[ETH_ALEN]; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 196 | WORD wSeqCtl; |
Andres More | 9a0e756 | 2010-04-13 21:54:48 -0300 | [diff] [blame] | 197 | BYTE abyAddr4[ETH_ALEN]; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 198 | }__attribute__ ((__packed__)) |
Jim Lieb | 193a823 | 2009-08-12 14:54:06 -0700 | [diff] [blame] | 199 | S802_11Header, *PS802_11Header; |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 200 | |
| 201 | /*--------------------- Export Macros ------------------------------*/ |
| 202 | // Frame type macro |
| 203 | |
| 204 | #define IS_MULTICAST_ADDRESS(pbyEtherAddr) \ |
| 205 | ((*(PBYTE)(pbyEtherAddr) & 0x01) == 1) |
| 206 | |
| 207 | #define IS_BROADCAST_ADDRESS(pbyEtherAddr) ( \ |
| 208 | (*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) && \ |
| 209 | (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \ |
| 210 | ) |
| 211 | |
| 212 | #define IS_NULL_ADDRESS(pbyEtherAddr) ( \ |
| 213 | (*(PDWORD)(pbyEtherAddr) == 0L) && \ |
| 214 | (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0) \ |
| 215 | ) |
| 216 | |
| 217 | #define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) ( \ |
| 218 | (*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \ |
| 219 | (*(PWORD)((PBYTE)(pbyAddr1) + 4) == \ |
| 220 | *(PWORD)((PBYTE)(pbyAddr2) + 4)) \ |
| 221 | ) |
| 222 | |
| 223 | /*--------------------- Export Classes ----------------------------*/ |
| 224 | |
| 225 | /*--------------------- Export Variables --------------------------*/ |
| 226 | |
| 227 | /*--------------------- Export Functions --------------------------*/ |
Forest Bond | 92b9679 | 2009-06-13 07:38:31 -0400 | [diff] [blame] | 228 | |
| 229 | BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr); |
| 230 | //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr); |
| 231 | BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength); |
| 232 | |
Andres More | e7b07d1 | 2010-05-01 19:12:26 -0300 | [diff] [blame^] | 233 | #endif /* __TETHER_H__ */ |