summaryrefslogtreecommitdiff
path: root/drivers/staging/vt6656/tether.h
blob: 5a3c326436c62f2cc0bf78fef9b29e73a4119d06 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
/*
 * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
 * All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * File: tether.h
 *
 * Purpose:
 *
 * Author: Tevin Chen
 *
 * Date: Jan. 28, 1997
 *
 */

#ifndef __TETHER_H__
#define __TETHER_H__

#include "ttype.h"

/*---------------------  Export Definitions -------------------------*/
//
// constants
//
#define U_ETHER_ADDR_LEN    6           // Ethernet address length
#define U_TYPE_LEN          2           //
#define U_CRC_LEN           4           //
#define U_HEADER_LEN        (U_ETHER_ADDR_LEN * 2 + U_TYPE_LEN)
#define U_ETHER_ADDR_STR_LEN (U_ETHER_ADDR_LEN * 2 + 1)
                                        // Ethernet address string length

#define MIN_DATA_LEN        46          // min data length
#define MAX_DATA_LEN        1500        // max data length

#define MIN_PACKET_LEN      (MIN_DATA_LEN + U_HEADER_LEN)
                                        // 60
                                        // min total packet length (tx)
#define MAX_PACKET_LEN      (MAX_DATA_LEN + U_HEADER_LEN)
                                        // 1514
                                        // max total packet length (tx)

#define MAX_LOOKAHEAD_SIZE  MAX_PACKET_LEN

#define U_MULTI_ADDR_LEN    8           // multicast address length


#ifdef __BIG_ENDIAN

#define TYPE_PKT_IP         0x0800      //
#define TYPE_PKT_ARP        0x0806      //
#define TYPE_PKT_RARP       0x8035      //
#define TYPE_PKT_IPX	    0x8137	    //
#define TYPE_PKT_802_1x     0x888e
#define TYPE_PKT_PreAuth    0x88C7

#define TYPE_PKT_PING_M_REQ 0x8011      // master reguest
#define TYPE_PKT_PING_S_GNT 0x8022      // slave grant
#define TYPE_PKT_PING_M     0x8077      // pingpong master packet
#define TYPE_PKT_PING_S     0x8088      // pingpong slave packet
#define TYPE_PKT_WOL_M_REQ  0x8033      // WOL waker request
#define TYPE_PKT_WOL_S_GNT  0x8044      // WOL sleeper grant
#define TYPE_MGMT_PROBE_RSP 0x5000
#define TYPE_PKT_VNT_DIAG   0x8011      // Diag Pkt
#define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
//
// wFrameCtl field in the S802_11Header
//
// NOTE....
//   in network byte order, high byte is going first
#define FC_TODS             0x0001
#define FC_FROMDS           0x0002
#define FC_MOREFRAG         0x0004
#define FC_RETRY            0x0008
#define FC_POWERMGT         0x0010
#define FC_MOREDATA         0x0020
#define FC_WEP              0x0040
#define TYPE_802_11_ATIM    0x9000

#define TYPE_802_11_DATA    0x0800
#define TYPE_802_11_CTL     0x0400
#define TYPE_802_11_MGMT    0x0000
#define TYPE_802_11_MASK    0x0C00
#define TYPE_SUBTYPE_MASK   0xFC00
#define TYPE_802_11_NODATA  0x4000
#define TYPE_DATE_NULL      0x4800

#define TYPE_CTL_PSPOLL     0xa400
#define TYPE_CTL_RTS        0xb400
#define TYPE_CTL_CTS        0xc400
#define TYPE_CTL_ACK        0xd400


//#define WEP_IV_MASK         0xFFFFFF00

#else //if LITTLE_ENDIAN
//
// wType field in the SEthernetHeader
//
// NOTE....
//   in network byte order, high byte is going first
#define TYPE_PKT_IP         0x0008      //
#define TYPE_PKT_ARP        0x0608      //
#define TYPE_PKT_RARP       0x3580      //
#define TYPE_PKT_IPX	    0x3781	    //

#define TYPE_PKT_802_1x     0x8e88
#define TYPE_PKT_PreAuth    0xC788

#define TYPE_PKT_PING_M_REQ 0x1180      // master reguest
#define TYPE_PKT_PING_S_GNT 0x2280      // slave grant
#define TYPE_PKT_PING_M     0x7780      // pingpong master packet
#define TYPE_PKT_PING_S     0x8880      // pingpong slave packet
#define TYPE_PKT_WOL_M_REQ  0x3380      // WOL waker request
#define TYPE_PKT_WOL_S_GNT  0x4480      // WOL sleeper grant
#define TYPE_MGMT_PROBE_RSP 0x0050
#define TYPE_PKT_VNT_DIAG   0x1180      // Diag Pkt
#define TYPE_PKT_VNT_PER    0x8888      // Diag PER Pkt
//
// wFrameCtl field in the S802_11Header
//
// NOTE....
//   in network byte order, high byte is going first
#define FC_TODS             0x0100
#define FC_FROMDS           0x0200
#define FC_MOREFRAG         0x0400
#define FC_RETRY            0x0800
#define FC_POWERMGT         0x1000
#define FC_MOREDATA         0x2000
#define FC_WEP              0x4000
#define TYPE_802_11_ATIM    0x0090

#define TYPE_802_11_DATA    0x0008
#define TYPE_802_11_CTL     0x0004
#define TYPE_802_11_MGMT    0x0000
#define TYPE_802_11_MASK    0x000C
#define TYPE_SUBTYPE_MASK   0x00FC
#define TYPE_802_11_NODATA  0x0040
#define TYPE_DATE_NULL      0x0048

#define TYPE_CTL_PSPOLL     0x00a4
#define TYPE_CTL_RTS        0x00b4
#define TYPE_CTL_CTS        0x00c4
#define TYPE_CTL_ACK        0x00d4


//#define WEP_IV_MASK         0x00FFFFFF

#endif //#ifdef __BIG_ENDIAN

#define WEP_IV_MASK         0x00FFFFFF

/*---------------------  Export Types  ------------------------------*/
//
// Ethernet packet
//
typedef struct tagSEthernetHeader {
    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
    WORD    wType;
}__attribute__ ((__packed__))
SEthernetHeader, *PSEthernetHeader;


//
// 802_3 packet
//
typedef struct tagS802_3Header {
    BYTE    abyDstAddr[U_ETHER_ADDR_LEN];
    BYTE    abySrcAddr[U_ETHER_ADDR_LEN];
    WORD    wLen;
}__attribute__ ((__packed__))
S802_3Header, *PS802_3Header;

//
// 802_11 packet
//
typedef struct tagS802_11Header {
    WORD    wFrameCtl;
    WORD    wDurationID;
    BYTE    abyAddr1[U_ETHER_ADDR_LEN];
    BYTE    abyAddr2[U_ETHER_ADDR_LEN];
    BYTE    abyAddr3[U_ETHER_ADDR_LEN];
    WORD    wSeqCtl;
    BYTE    abyAddr4[U_ETHER_ADDR_LEN];
}__attribute__ ((__packed__))
S802_11Header, *PS802_11Header;

/*---------------------  Export Macros ------------------------------*/
// Frame type macro

#define IS_MULTICAST_ADDRESS(pbyEtherAddr)          \
    ((*(PBYTE)(pbyEtherAddr) & 0x01) == 1)

#define IS_BROADCAST_ADDRESS(pbyEtherAddr) (        \
    (*(PDWORD)(pbyEtherAddr) == 0xFFFFFFFFL) &&     \
    (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0xFFFF) \
)

#define IS_NULL_ADDRESS(pbyEtherAddr) (             \
    (*(PDWORD)(pbyEtherAddr) == 0L) &&              \
    (*(PWORD)((PBYTE)(pbyEtherAddr) + 4) == 0)      \
)

#define IS_ETH_ADDRESS_EQUAL(pbyAddr1, pbyAddr2) (  \
    (*(PDWORD)(pbyAddr1) == *(PDWORD)(pbyAddr2)) && \
    (*(PWORD)((PBYTE)(pbyAddr1) + 4) ==             \
    *(PWORD)((PBYTE)(pbyAddr2) + 4))                \
)

/*---------------------  Export Classes  ----------------------------*/

/*---------------------  Export Variables  --------------------------*/

/*---------------------  Export Functions  --------------------------*/

BYTE ETHbyGetHashIndexByCrc32(PBYTE pbyMultiAddr);
//BYTE ETHbyGetHashIndexByCrc(PBYTE pbyMultiAddr);
BOOL ETHbIsBufferCrc32Ok(PBYTE pbyBuffer, UINT cbFrameLength);

#endif // __TETHER_H__