aboutsummaryrefslogtreecommitdiff
path: root/drivers/staging/vt6655/80211hdr.h
blob: b4bbb8d3c2433fd11e3a1e80b1f7922b3a68cb8e (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
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
/*
 * 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: 80211hdr.h
 *
 * Purpose: Defines the macros, types, and functions for dealing
 *          with 802.11 MAC headers.
 *
 * Author: Lyndon Chen
 *
 * Date: Apr 8, 2002
 *
 */



#ifndef __80211HDR_H__
#define __80211HDR_H__


#if !defined(__TTYPE_H__)
#include "ttype.h"
#endif

/*---------------------  Export Definitions -------------------------*/
// bit type
#define BIT0	0x00000001
#define BIT1	0x00000002
#define BIT2	0x00000004
#define BIT3	0x00000008
#define BIT4	0x00000010
#define BIT5	0x00000020
#define BIT6	0x00000040
#define BIT7	0x00000080
#define BIT8	0x00000100
#define BIT9	0x00000200
#define BIT10	0x00000400
#define BIT11	0x00000800
#define BIT12	0x00001000
#define BIT13	0x00002000
#define BIT14	0x00004000
#define BIT15	0x00008000
#define BIT16	0x00010000
#define BIT17	0x00020000
#define BIT18	0x00040000
#define BIT19	0x00080000
#define BIT20	0x00100000
#define BIT21	0x00200000
#define BIT22	0x00400000
#define BIT23	0x00800000
#define BIT24	0x01000000
#define BIT25	0x02000000
#define BIT26	0x04000000
#define BIT27	0x08000000
#define BIT28	0x10000000
#define BIT29	0x20000000
#define BIT30	0x40000000
#define BIT31	0x80000000

// 802.11 frame related, defined as 802.11 spec
#define WLAN_ADDR_LEN               6
#define WLAN_CRC_LEN                4
#define WLAN_CRC32_LEN              4
#define WLAN_FCS_LEN                4
#define WLAN_BSSID_LEN              6
#define WLAN_BSS_TS_LEN             8
#define WLAN_HDR_ADDR2_LEN          16
#define WLAN_HDR_ADDR3_LEN          24
#define WLAN_HDR_ADDR4_LEN          30
#define WLAN_IEHDR_LEN              2
#define WLAN_SSID_MAXLEN            32
//#define WLAN_RATES_MAXLEN           255
#define WLAN_RATES_MAXLEN           16
#define WLAN_RATES_MAXLEN_11B       4
#define WLAN_RSN_MAXLEN             32
#define WLAN_DATA_MAXLEN            2312
#define WLAN_A3FR_MAXLEN            (WLAN_HDR_ADDR3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)


#define WLAN_BEACON_FR_MAXLEN       WLAN_A3FR_MAXLEN
#define WLAN_ATIM_FR_MAXLEN         (WLAN_HDR_ADDR3_LEN + 0)
#define WLAN_NULLDATA_FR_MAXLEN     (WLAN_HDR_ADDR3_LEN + 0)
#define WLAN_DISASSOC_FR_MAXLEN     (WLAN_HDR_ADDR3_LEN + 2)
#define WLAN_ASSOCREQ_FR_MAXLEN     WLAN_A3FR_MAXLEN
#define WLAN_ASSOCRESP_FR_MAXLEN    WLAN_A3FR_MAXLEN
#define WLAN_REASSOCREQ_FR_MAXLEN   WLAN_A3FR_MAXLEN
#define WLAN_REASSOCRESP_FR_MAXLEN  WLAN_A3FR_MAXLEN
#define WLAN_PROBEREQ_FR_MAXLEN     WLAN_A3FR_MAXLEN
#define WLAN_PROBERESP_FR_MAXLEN    WLAN_A3FR_MAXLEN
#define WLAN_AUTHEN_FR_MAXLEN       WLAN_A3FR_MAXLEN
#define WLAN_DEAUTHEN_FR_MAXLEN     (WLAN_HDR_ADDR3_LEN + 2)


#define WLAN_WEP_NKEYS              4
#define WLAN_WEP40_KEYLEN           5
#define WLAN_WEP104_KEYLEN          13
#define WLAN_WEP232_KEYLEN          29
//#define WLAN_WEPMAX_KEYLEN          29
#define WLAN_WEPMAX_KEYLEN          32
#define WLAN_CHALLENGE_IE_MAXLEN    255
#define WLAN_CHALLENGE_IE_LEN       130
#define WLAN_CHALLENGE_LEN          128
#define WLAN_WEP_IV_LEN             4
#define WLAN_WEP_ICV_LEN            4
#define WLAN_FRAGS_MAX              16

// Frame Type
#define WLAN_TYPE_MGR 0x00
#define WLAN_TYPE_CTL  0x01
#define WLAN_TYPE_DATA 0x02

#define WLAN_FTYPE_MGMT 0x00
#define WLAN_FTYPE_CTL  0x01
#define WLAN_FTYPE_DATA 0x02


// Frame Subtypes
#define WLAN_FSTYPE_ASSOCREQ        0x00
#define WLAN_FSTYPE_ASSOCRESP       0x01
#define WLAN_FSTYPE_REASSOCREQ      0x02
#define WLAN_FSTYPE_REASSOCRESP     0x03
#define WLAN_FSTYPE_PROBEREQ        0x04
#define WLAN_FSTYPE_PROBERESP       0x05
#define WLAN_FSTYPE_BEACON          0x08
#define WLAN_FSTYPE_ATIM            0x09
#define WLAN_FSTYPE_DISASSOC        0x0a
#define WLAN_FSTYPE_AUTHEN          0x0b
#define WLAN_FSTYPE_DEAUTHEN        0x0c
#define WLAN_FSTYPE_ACTION          0x0d

// Control
#define WLAN_FSTYPE_PSPOLL          0x0a
#define WLAN_FSTYPE_RTS             0x0b
#define WLAN_FSTYPE_CTS             0x0c
#define WLAN_FSTYPE_ACK             0x0d
#define WLAN_FSTYPE_CFEND           0x0e
#define WLAN_FSTYPE_CFENDCFACK      0x0f

// Data
#define WLAN_FSTYPE_DATAONLY        0x00
#define WLAN_FSTYPE_DATA_CFACK      0x01
#define WLAN_FSTYPE_DATA_CFPOLL     0x02
#define WLAN_FSTYPE_DATA_CFACK_CFPOLL   0x03
#define WLAN_FSTYPE_NULL            0x04
#define WLAN_FSTYPE_CFACK           0x05
#define WLAN_FSTYPE_CFPOLL          0x06
#define WLAN_FSTYPE_CFACK_CFPOLL    0x07


#ifdef __BIG_ENDIAN

// GET & SET Frame Control bit
#define WLAN_GET_FC_PRVER(n)    ((((WORD)(n) >> 8) & (BIT0 | BIT1))
#define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
#define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
#define WLAN_GET_FC_TODS(n)     ((((WORD)(n) << 8) & (BIT8)) >> 8)
#define WLAN_GET_FC_FROMDS(n)   ((((WORD)(n) << 8) & (BIT9)) >> 9)
#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n) << 8) & (BIT10)) >> 10)
#define WLAN_GET_FC_RETRY(n)    ((((WORD)(n) << 8) & (BIT11)) >> 11)
#define WLAN_GET_FC_PWRMGT(n)   ((((WORD)(n) << 8) & (BIT12)) >> 12)
#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n) << 8) & (BIT13)) >> 13)
#define WLAN_GET_FC_ISWEP(n)    ((((WORD)(n) << 8) & (BIT14)) >> 14)
#define WLAN_GET_FC_ORDER(n)    ((((WORD)(n) << 8) & (BIT15)) >> 15)

// Sequence Field bit
#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)


// Capability Field bit
#define WLAN_GET_CAP_INFO_ESS(n)           (((n) >> 8) & BIT0)
#define WLAN_GET_CAP_INFO_IBSS(n)          ((((n) >> 8) & BIT1) >> 1)
#define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    ((((n) >> 8) & BIT2) >> 2)
#define WLAN_GET_CAP_INFO_CFPOLLREQ(n)     ((((n) >> 8) & BIT3) >> 3)
#define WLAN_GET_CAP_INFO_PRIVACY(n)       ((((n) >> 8) & BIT4) >> 4)
#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) ((((n) >> 8) & BIT5) >> 5)
#define WLAN_GET_CAP_INFO_PBCC(n)          ((((n) >> 8) & BIT6) >> 6)
#define WLAN_GET_CAP_INFO_AGILITY(n)       ((((n) >> 8) & BIT7) >> 7)
#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n)   ((((n))      & BIT8) >> 10)
#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) ((((n))      & BIT10) >> 10)
#define WLAN_GET_CAP_INFO_DSSSOFDM(n)      ((((n))      & BIT13) >> 13)
#define WLAN_GET_CAP_INFO_GRPACK(n)        ((((n))      & BIT14) >> 14)


#else

// GET & SET Frame Control bit
#define WLAN_GET_FC_PRVER(n)    (((WORD)(n)) & (BIT0 | BIT1))
#define WLAN_GET_FC_FTYPE(n)    ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
#define WLAN_GET_FC_FSTYPE(n)   ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
#define WLAN_GET_FC_TODS(n)     ((((WORD)(n)) & (BIT8)) >> 8)
#define WLAN_GET_FC_FROMDS(n)   ((((WORD)(n)) & (BIT9)) >> 9)
#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n)) & (BIT10)) >> 10)
#define WLAN_GET_FC_RETRY(n)    ((((WORD)(n)) & (BIT11)) >> 11)
#define WLAN_GET_FC_PWRMGT(n)   ((((WORD)(n)) & (BIT12)) >> 12)
#define WLAN_GET_FC_MOREDATA(n) ((((WORD)(n)) & (BIT13)) >> 13)
#define WLAN_GET_FC_ISWEP(n)    ((((WORD)(n)) & (BIT14)) >> 14)
#define WLAN_GET_FC_ORDER(n)    ((((WORD)(n)) & (BIT15)) >> 15)


// Sequence Field bit
#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)


// Capability Field bit
#define WLAN_GET_CAP_INFO_ESS(n)           ((n) & BIT0)
#define WLAN_GET_CAP_INFO_IBSS(n)          (((n) & BIT1) >> 1)
#define WLAN_GET_CAP_INFO_CFPOLLABLE(n)    (((n) & BIT2) >> 2)
#define WLAN_GET_CAP_INFO_CFPOLLREQ(n)     (((n) & BIT3) >> 3)
#define WLAN_GET_CAP_INFO_PRIVACY(n)       (((n) & BIT4) >> 4)
#define WLAN_GET_CAP_INFO_SHORTPREAMBLE(n) (((n) & BIT5) >> 5)
#define WLAN_GET_CAP_INFO_PBCC(n)          (((n) & BIT6) >> 6)
#define WLAN_GET_CAP_INFO_AGILITY(n)       (((n) & BIT7) >> 7)
#define WLAN_GET_CAP_INFO_SPECTRUMMNG(n)   (((n) & BIT8) >> 10)
#define WLAN_GET_CAP_INFO_SHORTSLOTTIME(n) (((n) & BIT10) >> 10)
#define WLAN_GET_CAP_INFO_DSSSOFDM(n)      (((n) & BIT13) >> 13)
#define WLAN_GET_CAP_INFO_GRPACK(n)        (((n) & BIT14) >> 14)


#endif //#ifdef __BIG_ENDIAN


#define WLAN_SET_CAP_INFO_ESS(n)           (n)
#define WLAN_SET_CAP_INFO_IBSS(n)          ((n) << 1)
#define WLAN_SET_CAP_INFO_CFPOLLABLE(n)    ((n) << 2)
#define WLAN_SET_CAP_INFO_CFPOLLREQ(n)     ((n) << 3)
#define WLAN_SET_CAP_INFO_PRIVACY(n)       ((n) << 4)
#define WLAN_SET_CAP_INFO_SHORTPREAMBLE(n) ((n) << 5)
#define WLAN_SET_CAP_INFO_SPECTRUMMNG(n)   ((n) << 8)
#define WLAN_SET_CAP_INFO_PBCC(n)          ((n) << 6)
#define WLAN_SET_CAP_INFO_AGILITY(n)       ((n) << 7)
#define WLAN_SET_CAP_INFO_SHORTSLOTTIME(n) ((n) << 10)
#define WLAN_SET_CAP_INFO_DSSSOFDM(n)      ((n) << 13)
#define WLAN_SET_CAP_INFO_GRPACK(n)        ((n) << 14)


#define WLAN_SET_FC_PRVER(n)    ((WORD)(n))
#define WLAN_SET_FC_FTYPE(n)    (((WORD)(n)) << 2)
#define WLAN_SET_FC_FSTYPE(n)   (((WORD)(n)) << 4)
#define WLAN_SET_FC_TODS(n)     (((WORD)(n)) << 8)
#define WLAN_SET_FC_FROMDS(n)   (((WORD)(n)) << 9)
#define WLAN_SET_FC_MOREFRAG(n) (((WORD)(n)) << 10)
#define WLAN_SET_FC_RETRY(n)    (((WORD)(n)) << 11)
#define WLAN_SET_FC_PWRMGT(n)   (((WORD)(n)) << 12)
#define WLAN_SET_FC_MOREDATA(n) (((WORD)(n)) << 13)
#define WLAN_SET_FC_ISWEP(n)    (((WORD)(n)) << 14)
#define WLAN_SET_FC_ORDER(n)    (((WORD)(n)) << 15)

#define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
#define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)

// ERP Field bit

#define WLAN_GET_ERP_NONERP_PRESENT(n)     ((n) & BIT0)
#define WLAN_GET_ERP_USE_PROTECTION(n)     (((n) & BIT1) >> 1)
#define WLAN_GET_ERP_BARKER_MODE(n)        (((n) & BIT2) >> 2)

#define WLAN_SET_ERP_NONERP_PRESENT(n)     (n)
#define WLAN_SET_ERP_USE_PROTECTION(n)     ((n) << 1)
#define WLAN_SET_ERP_BARKER_MODE(n)        ((n) << 2)



// Support & Basic Rates field
#define WLAN_MGMT_IS_BASICRATE(b)    ((b) & BIT7)
#define WLAN_MGMT_GET_RATE(b)        ((b) & ~BIT7)

// TIM field
#define WLAN_MGMT_IS_MULTICAST_TIM(b)   ((b) & BIT0)
#define WLAN_MGMT_GET_TIM_OFFSET(b)     (((b) & ~BIT0) >> 1)

// 3-Addr & 4-Addr
#define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
#define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)

// IEEE ADDR
#define IEEE_ADDR_UNIVERSAL         0x02
#define IEEE_ADDR_GROUP             0x01

typedef struct {
    BYTE            abyAddr[6];
} IEEE_ADDR, *PIEEE_ADDR;

// 802.11 Header Format

typedef struct tagWLAN_80211HDR_A2 {

    WORD    wFrameCtl;
    WORD    wDurationID;
    BYTE    abyAddr1[WLAN_ADDR_LEN];
    BYTE    abyAddr2[WLAN_ADDR_LEN];

}__attribute__ ((__packed__))
WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;

typedef struct tagWLAN_80211HDR_A3 {

    WORD    wFrameCtl;
    WORD    wDurationID;
    BYTE    abyAddr1[WLAN_ADDR_LEN];
    BYTE    abyAddr2[WLAN_ADDR_LEN];
    BYTE    abyAddr3[WLAN_ADDR_LEN];
    WORD    wSeqCtl;

}__attribute__ ((__packed__))
WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;

typedef struct tagWLAN_80211HDR_A4 {

    WORD    wFrameCtl;
    WORD    wDurationID;
    BYTE    abyAddr1[WLAN_ADDR_LEN];
    BYTE    abyAddr2[WLAN_ADDR_LEN];
    BYTE    abyAddr3[WLAN_ADDR_LEN];
    WORD    wSeqCtl;
    BYTE    abyAddr4[WLAN_ADDR_LEN];

}__attribute__ ((__packed__))
WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;


typedef union tagUWLAN_80211HDR {

    WLAN_80211HDR_A2        sA2;
    WLAN_80211HDR_A3        sA3;
    WLAN_80211HDR_A4        sA4;

} UWLAN_80211HDR, *PUWLAN_80211HDR;


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

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

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



#endif // __80211HDR_H__