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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 | ||
30 | ||
31 | #ifndef __TETHER_H__ | |
32 | #define __TETHER_H__ | |
33 | ||
34 | ||
35 | #if !defined(__TTYPE_H__) | |
36 | #include "ttype.h" | |
37 | #endif | |
38 | ||
39 | ||
40 | ||
41 | ||
42 | /*--------------------- Export Definitions -------------------------*/ | |
43 | // | |
44 | // constants | |
45 | // | |
46 | #define U_ETHER_ADDR_LEN 6 // Ethernet address length | |
47 | #define U_TYPE_LEN 2 // | |
48 | #define U_CRC_LEN 4 // | |
49 | #define U_HEADER_LEN (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN) | |
50 | #define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1) | |
51 | // Ethernet address string length | |
52 | ||
53 | #define MIN_DATA_LEN 46 // min data length | |
54 | #define MAX_DATA_LEN 1500 // max data length | |
55 | ||
56 | #define MIN_PACKET_LEN (MIN_DATA_LEN + U_HEADER_LEN) | |
57 | // 60 | |
58 | // min total packet length (tx) | |
59 | #define MAX_PACKET_LEN (MAX_DATA_LEN + U_HEADER_LEN) | |
60 | // 1514 | |
61 | // max total packet length (tx) | |
62 | ||
63 | #define MAX_LOOKAHEAD_SIZE MAX_PACKET_LEN | |
64 | ||
65 | #define U_MULTI_ADDR_LEN 8 // multicast address length | |
66 | ||
67 | ||
68 | #ifdef __BIG_ENDIAN | |
69 | ||
70 | #define TYPE_PKT_IP 0x0800 // | |
71 | #define TYPE_PKT_ARP 0x0806 // | |
72 | #define TYPE_PKT_RARP 0x8035 // | |
73 | #define TYPE_PKT_IPX 0x8137 // | |
74 | #define TYPE_PKT_802_1x 0x888e | |
75 | #define TYPE_PKT_PreAuth 0x88C7 | |
76 | ||
77 | #define TYPE_PKT_PING_M_REQ 0x8011 // master reguest | |
78 | #define TYPE_PKT_PING_S_GNT 0x8022 // slave grant | |
79 | #define TYPE_PKT_PING_M 0x8077 // pingpong master packet | |
80 | #define TYPE_PKT_PING_S 0x8088 // pingpong slave packet | |
81 | #define TYPE_PKT_WOL_M_REQ 0x8033 // WOL waker request | |
82 | #define TYPE_PKT_WOL_S_GNT 0x8044 // WOL sleeper grant | |
83 | #define TYPE_MGMT_PROBE_RSP 0x5000 | |
84 | #define TYPE_PKT_VNT_DIAG 0x8011 // Diag Pkt | |
85 | #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt | |
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 0x0001 | |
92 | #define FC_FROMDS 0x0002 | |
93 | #define FC_MOREFRAG 0x0004 | |
94 | #define FC_RETRY 0x0008 | |
95 | #define FC_POWERMGT 0x0010 | |
96 | #define FC_MOREDATA 0x0020 | |
97 | #define FC_WEP 0x0040 | |
98 | #define TYPE_802_11_ATIM 0x9000 | |
99 | ||
100 | #define TYPE_802_11_DATA 0x0800 | |
101 | #define TYPE_802_11_CTL 0x0400 | |
102 | #define TYPE_802_11_MGMT 0x0000 | |
103 | #define TYPE_802_11_MASK 0x0C00 | |
104 | #define TYPE_SUBTYPE_MASK 0xFC00 | |
105 | #define TYPE_802_11_NODATA 0x4000 | |
106 | #define TYPE_DATE_NULL 0x4800 | |
107 | ||
108 | #define TYPE_CTL_PSPOLL 0xa400 | |
109 | #define TYPE_CTL_RTS 0xb400 | |
110 | #define TYPE_CTL_CTS 0xc400 | |
111 | #define TYPE_CTL_ACK 0xd400 | |
112 | ||
113 | ||
114 | //#define WEP_IV_MASK 0xFFFFFF00 | |
115 | ||
116 | #else //if LITTLE_ENDIAN | |
117 | // | |
118 | // wType field in the SEthernetHeader | |
119 | // | |
120 | // NOTE.... | |
121 | // in network byte order, high byte is going first | |
122 | #define TYPE_PKT_IP 0x0008 // | |
123 | #define TYPE_PKT_ARP 0x0608 // | |
124 | #define TYPE_PKT_RARP 0x3580 // | |
125 | #define TYPE_PKT_IPX 0x3781 // | |
126 | ||
127 | #define TYPE_PKT_802_1x 0x8e88 | |
128 | #define TYPE_PKT_PreAuth 0xC788 | |
129 | ||
130 | #define TYPE_PKT_PING_M_REQ 0x1180 // master reguest | |
131 | #define TYPE_PKT_PING_S_GNT 0x2280 // slave grant | |
132 | #define TYPE_PKT_PING_M 0x7780 // pingpong master packet | |
133 | #define TYPE_PKT_PING_S 0x8880 // pingpong slave packet | |
134 | #define TYPE_PKT_WOL_M_REQ 0x3380 // WOL waker request | |
135 | #define TYPE_PKT_WOL_S_GNT 0x4480 // WOL sleeper grant | |
136 | #define TYPE_MGMT_PROBE_RSP 0x0050 | |
137 | #define TYPE_PKT_VNT_DIAG 0x1180 // Diag Pkt | |
138 | #define TYPE_PKT_VNT_PER 0x8888 // Diag PER Pkt | |
139 | // | |
140 | // wFrameCtl field in the S802_11Header | |
141 | // | |
142 | // NOTE.... | |
143 | // in network byte order, high byte is going first | |
144 | #define FC_TODS 0x0100 | |
145 | #define FC_FROMDS 0x0200 | |
146 | #define FC_MOREFRAG 0x0400 | |
147 | #define FC_RETRY 0x0800 | |
148 | #define FC_POWERMGT 0x1000 | |
149 | #define FC_MOREDATA 0x2000 | |
150 | #define FC_WEP 0x4000 | |
151 | #define TYPE_802_11_ATIM 0x0090 | |
152 | ||
153 | #define TYPE_802_11_DATA 0x0008 | |
154 | #define TYPE_802_11_CTL 0x0004 | |
155 | #define TYPE_802_11_MGMT 0x0000 | |
156 | #define TYPE_802_11_MASK 0x000C | |
157 | #define TYPE_SUBTYPE_MASK 0x00FC | |
158 | #define TYPE_802_11_NODATA 0x0040 | |
159 | #define TYPE_DATE_NULL 0x0048 | |
160 | ||
161 | #define TYPE_CTL_PSPOLL 0x00a4 | |
162 | #define TYPE_CTL_RTS 0x00b4 | |
163 | #define TYPE_CTL_CTS 0x00c4 | |
164 | #define TYPE_CTL_ACK 0x00d4 | |
165 | ||
166 | ||
167 | //#define WEP_IV_MASK 0x00FFFFFF | |
168 | ||
169 | #endif //#ifdef __BIG_ENDIAN | |
170 | ||
171 | #define WEP_IV_MASK 0x00FFFFFF | |
172 | ||
173 | /*--------------------- Export Types ------------------------------*/ | |
174 | // | |
175 | // Ethernet packet | |
176 | // | |
177 | typedef struct tagSEthernetHeader { | |
178 | BYTE abyDstAddr[U_ETHER_ADDR_LEN]; | |
179 | BYTE abySrcAddr[U_ETHER_ADDR_LEN]; | |
180 | WORD wType; | |
181 | }__attribute__ ((__packed__)) | |
182 | SEthernetHeader, DEF* PSEthernetHeader; | |
183 | ||
184 | ||
185 | // | |
186 | // 802_3 packet | |
187 | // | |
188 | typedef struct tagS802_3Header { | |
189 | BYTE abyDstAddr[U_ETHER_ADDR_LEN]; | |
190 | BYTE abySrcAddr[U_ETHER_ADDR_LEN]; | |
191 | WORD wLen; | |
192 | }__attribute__ ((__packed__)) | |
193 | S802_3Header, DEF* PS802_3Header; | |
194 | ||
195 | // | |
196 | // 802_11 packet | |
197 | // | |
198 | typedef struct tagS802_11Header { | |
199 | WORD wFrameCtl; | |
200 | WORD wDurationID; | |
201 | BYTE abyAddr1[U_ETHER_ADDR_LEN]; | |
202 | BYTE abyAddr2[U_ETHER_ADDR_LEN]; | |
203 | BYTE abyAddr3[U_ETHER_ADDR_LEN]; | |
204 | WORD wSeqCtl; | |
205 | BYTE abyAddr4[U_ETHER_ADDR_LEN]; | |
206 | }__attribute__ ((__packed__)) | |
207 | S802_11Header, DEF* PS802_11Header; | |
208 | ||
209 | /*--------------------- Export Macros ------------------------------*/ | |
210 | // Frame type macro | |
211 | ||
212 | #define IS_MULTICAST_ADDRESS(pbyEtherAddr) \ | |
213 | ((*(PBYTE)(pbyEtherAddr) & 0x01) == 1) | |
214 | ||
215 | #define IS_BROADCAST_ADDRESS(pbyEtherAddr) ( \ | |
216 | (*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) && \ | |
217 | (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \ | |
218 | ) | |
219 | ||
220 | #define IS_NULL_ADDRESS(pbyEtherAddr) ( \ | |
221 | (*(PDWORD)(pbyEtherAddr) == 0L) && \ | |
222 | (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0) \ | |
223 | ) | |
224 | ||
225 | #define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) ( \ | |
226 | (*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \ | |
227 | (*(PWORD)((PBYTE)(pbyAddr1) + 4) == \ | |
228 | *(PWORD)((PBYTE)(pbyAddr2) + 4)) \ | |
229 | ) | |
230 | ||
231 | /*--------------------- Export Classes ----------------------------*/ | |
232 | ||
233 | /*--------------------- Export Variables --------------------------*/ | |
234 | ||
235 | /*--------------------- Export Functions --------------------------*/ | |
236 | #ifdef __cplusplus | |
237 | extern "C" { /* Assume C declarations for C++ */ | |
238 | #endif /* __cplusplus */ | |
239 | ||
240 | ||
241 | BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr); | |
242 | //BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr); | |
243 | BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength); | |
244 | ||
245 | ||
246 | #ifdef __cplusplus | |
247 | } /* End of extern "C" { */ | |
248 | #endif /* __cplusplus */ | |
249 | ||
250 | ||
251 | ||
252 | ||
253 | #endif // __TETHER_H__ | |
254 | ||
255 | ||
256 |