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rtl8712
ieee80211.h
Go to the documentation of this file.
1
/******************************************************************************
2
*
3
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
4
*
5
* This program is free software; you can redistribute it and/or modify it
6
* under the terms of version 2 of the GNU General Public License as
7
* published by the Free Software Foundation.
8
*
9
* This program is distributed in the hope that it will be useful, but WITHOUT
10
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
12
* more details.
13
*
14
* You should have received a copy of the GNU General Public License along with
15
* this program; if not, write to the Free Software Foundation, Inc.,
16
* 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
17
*
18
* Modifications for inclusion into the Linux staging tree are
19
* Copyright(c) 2010 Larry Finger. All rights reserved.
20
*
21
* Contact information:
22
* WLAN FAE <
[email protected]
>
23
* Larry Finger <
[email protected]
>
24
*
25
******************************************************************************/
26
#ifndef __IEEE80211_H
27
#define __IEEE80211_H
28
29
#include "
osdep_service.h
"
30
#include "
drv_types.h
"
31
#include "
wifi.h
"
32
#include <linux/compiler.h>
33
#include <linux/wireless.h>
34
35
#define MGMT_QUEUE_NUM 5
36
#define ETH_ALEN 6
37
#define IEEE_CMD_SET_WPA_PARAM 1
38
#define IEEE_CMD_SET_WPA_IE 2
39
#define IEEE_CMD_SET_ENCRYPTION 3
40
#define IEEE_CMD_MLME 4
41
42
#define IEEE_PARAM_WPA_ENABLED 1
43
#define IEEE_PARAM_TKIP_COUNTERMEASURES 2
44
#define IEEE_PARAM_DROP_UNENCRYPTED 3
45
#define IEEE_PARAM_PRIVACY_INVOKED 4
46
#define IEEE_PARAM_AUTH_ALGS 5
47
#define IEEE_PARAM_IEEE_802_1X 6
48
#define IEEE_PARAM_WPAX_SELECT 7
49
50
#define AUTH_ALG_OPEN_SYSTEM 0x1
51
#define AUTH_ALG_SHARED_KEY 0x2
52
#define AUTH_ALG_LEAP 0x00000004
53
54
#define IEEE_MLME_STA_DEAUTH 1
55
#define IEEE_MLME_STA_DISASSOC 2
56
57
#define IEEE_CRYPT_ERR_UNKNOWN_ALG 2
58
#define IEEE_CRYPT_ERR_UNKNOWN_ADDR 3
59
#define IEEE_CRYPT_ERR_CRYPT_INIT_FAILED 4
60
#define IEEE_CRYPT_ERR_KEY_SET_FAILED 5
61
#define IEEE_CRYPT_ERR_TX_KEY_SET_FAILED 6
62
#define IEEE_CRYPT_ERR_CARD_CONF_FAILED 7
63
64
65
#define IEEE_CRYPT_ALG_NAME_LEN 16
66
67
#define WPA_CIPHER_NONE BIT(0)
68
#define WPA_CIPHER_WEP40 BIT(1)
69
#define WPA_CIPHER_WEP104 BIT(2)
70
#define WPA_CIPHER_TKIP BIT(3)
71
#define WPA_CIPHER_CCMP BIT(4)
72
73
74
75
#define WPA_SELECTOR_LEN 4
76
#define RSN_HEADER_LEN 4
77
78
#define RSN_SELECTOR_LEN 4
79
80
enum
NETWORK_TYPE
{
81
WIRELESS_INVALID
= 0,
82
WIRELESS_11B
= 1,
83
WIRELESS_11G
= 2,
84
WIRELESS_11BG
= (
WIRELESS_11B
|
WIRELESS_11G
),
85
WIRELESS_11A
= 4,
86
WIRELESS_11N
= 8,
87
WIRELESS_11GN
= (
WIRELESS_11G
|
WIRELESS_11N
),
88
WIRELESS_11BGN
= (
WIRELESS_11B
|
WIRELESS_11G
|
WIRELESS_11N
),
89
};
90
91
92
struct
ieee_param
{
93
u32
cmd
;
94
u8
sta_addr
[
ETH_ALEN
];
95
union
{
96
struct
{
97
u8
name
;
98
u32
value
;
99
}
wpa_param
;
100
struct
{
101
u32
len
;
102
u8
reserved
[32];
103
u8
data
[0];
104
}
wpa_ie
;
105
struct
{
106
int
command
;
107
int
reason_code
;
108
}
mlme
;
109
struct
{
110
u8
alg
[
IEEE_CRYPT_ALG_NAME_LEN
];
111
u8
set_tx
;
112
u32
err
;
113
u8
idx
;
114
u8
seq
[8];
/* sequence counter (set: RX, get: TX) */
115
u16
key_len
;
116
u8
key
[0];
117
}
crypt
;
118
}
u
;
119
};
120
121
#define IEEE80211_DATA_LEN 2304
122
/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
123
6.2.1.1.2.
124
125
The figure in section 7.1.2 suggests a body size of up to 2312
126
bytes is allowed, which is a bit confusing, I suspect this
127
represents the 2304 bytes of real data, plus a possible 8 bytes of
128
WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
129
130
#define IEEE80211_HLEN 30
131
#define IEEE80211_FRAME_LEN (IEEE80211_DATA_LEN + IEEE80211_HLEN)
132
133
/* this is stolen from ipw2200 driver */
134
#define IEEE_IBSS_MAC_HASH_SIZE 31
135
136
struct
ieee_ibss_seq
{
137
u8
mac
[
ETH_ALEN
];
138
u16
seq_num
;
139
u16
frag_num
;
140
unsigned
long
packet_time
;
141
struct
list_head
list;
142
};
143
144
struct
ieee80211_hdr
{
145
u16
frame_ctl
;
146
u16
duration_id
;
147
u8
addr1
[
ETH_ALEN
];
148
u8
addr2
[
ETH_ALEN
];
149
u8
addr3
[
ETH_ALEN
];
150
u16
seq_ctl
;
151
u8
addr4
[
ETH_ALEN
];
152
}
__packed
;
153
154
struct
ieee80211_hdr_3addr
{
155
u16
frame_ctl
;
156
u16
duration_id
;
157
u8
addr1
[
ETH_ALEN
];
158
u8
addr2
[
ETH_ALEN
];
159
u8
addr3
[
ETH_ALEN
];
160
u16
seq_ctl
;
161
}
__packed
;
162
163
164
struct
ieee80211_hdr_qos
{
165
u16
frame_ctl
;
166
u16
duration_id
;
167
u8
addr1
[
ETH_ALEN
];
168
u8
addr2
[
ETH_ALEN
];
169
u8
addr3
[
ETH_ALEN
];
170
u16
seq_ctl
;
171
u8
addr4
[
ETH_ALEN
];
172
u16
qc
;
173
}
__packed
;
174
175
struct
ieee80211_hdr_3addr_qos
{
176
u16
frame_ctl
;
177
u16
duration_id
;
178
u8
addr1
[
ETH_ALEN
];
179
u8
addr2
[
ETH_ALEN
];
180
u8
addr3
[
ETH_ALEN
];
181
u16
seq_ctl
;
182
u16
qc
;
183
}
__packed
;
184
185
struct
eapol
{
186
u8
snap
[6];
187
u16
ethertype
;
188
u8
version
;
189
u8
type
;
190
u16
length
;
191
}
__packed
;
192
193
194
enum
eap_type
{
195
EAP_PACKET
= 0,
196
EAPOL_START
,
197
EAPOL_LOGOFF
,
198
EAPOL_KEY
,
199
EAPOL_ENCAP_ASF_ALERT
200
};
201
202
#define IEEE80211_3ADDR_LEN 24
203
#define IEEE80211_4ADDR_LEN 30
204
#define IEEE80211_FCS_LEN 4
205
206
#define MIN_FRAG_THRESHOLD 256U
207
#define MAX_FRAG_THRESHOLD 2346U
208
209
/* Frame control field constants */
210
#define IEEE80211_FCTL_VERS 0x0002
211
#define IEEE80211_FCTL_FTYPE 0x000c
212
#define IEEE80211_FCTL_STYPE 0x00f0
213
#define IEEE80211_FCTL_TODS 0x0100
214
#define IEEE80211_FCTL_FROMDS 0x0200
215
#define IEEE80211_FCTL_MOREFRAGS 0x0400
216
#define IEEE80211_FCTL_RETRY 0x0800
217
#define IEEE80211_FCTL_PM 0x1000
218
#define IEEE80211_FCTL_MOREDATA 0x2000
219
#define IEEE80211_FCTL_WEP 0x4000
220
#define IEEE80211_FCTL_ORDER 0x8000
221
222
#define IEEE80211_FTYPE_MGMT 0x0000
223
#define IEEE80211_FTYPE_CTL 0x0004
224
#define IEEE80211_FTYPE_DATA 0x0008
225
226
/* management */
227
#define IEEE80211_STYPE_ASSOC_REQ 0x0000
228
#define IEEE80211_STYPE_ASSOC_RESP 0x0010
229
#define IEEE80211_STYPE_REASSOC_REQ 0x0020
230
#define IEEE80211_STYPE_REASSOC_RESP 0x0030
231
#define IEEE80211_STYPE_PROBE_REQ 0x0040
232
#define IEEE80211_STYPE_PROBE_RESP 0x0050
233
#define IEEE80211_STYPE_BEACON 0x0080
234
#define IEEE80211_STYPE_ATIM 0x0090
235
#define IEEE80211_STYPE_DISASSOC 0x00A0
236
#define IEEE80211_STYPE_AUTH 0x00B0
237
#define IEEE80211_STYPE_DEAUTH 0x00C0
238
239
/* control */
240
#define IEEE80211_STYPE_PSPOLL 0x00A0
241
#define IEEE80211_STYPE_RTS 0x00B0
242
#define IEEE80211_STYPE_CTS 0x00C0
243
#define IEEE80211_STYPE_ACK 0x00D0
244
#define IEEE80211_STYPE_CFEND 0x00E0
245
#define IEEE80211_STYPE_CFENDACK 0x00F0
246
247
/* data */
248
#define IEEE80211_STYPE_DATA 0x0000
249
#define IEEE80211_STYPE_DATA_CFACK 0x0010
250
#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
251
#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
252
#define IEEE80211_STYPE_NULLFUNC 0x0040
253
#define IEEE80211_STYPE_CFACK 0x0050
254
#define IEEE80211_STYPE_CFPOLL 0x0060
255
#define IEEE80211_STYPE_CFACKPOLL 0x0070
256
#define IEEE80211_QOS_DATAGRP 0x0080
257
#define IEEE80211_QoS_DATAGRP IEEE80211_QOS_DATAGRP
258
259
#define IEEE80211_SCTL_FRAG 0x000F
260
#define IEEE80211_SCTL_SEQ 0xFFF0
261
262
/* QoS,QOS */
263
#define NORMAL_ACK 0
264
#define NO_ACK 1
265
#define NON_EXPLICIT_ACK 2
266
#define BLOCK_ACK 3
267
268
#ifndef ETH_P_PAE
269
#define ETH_P_PAE 0x888E
/* Port Access Entity (IEEE 802.1X) */
270
#endif
/* ETH_P_PAE */
271
272
#define ETH_P_PREAUTH 0x88C7
/* IEEE 802.11i pre-authentication */
273
274
#define ETH_P_ECONET 0x0018
275
276
#ifndef ETH_P_80211_RAW
277
#define ETH_P_80211_RAW (ETH_P_ECONET + 1)
278
#endif
279
280
/* IEEE 802.11 defines */
281
282
#define P80211_OUI_LEN 3
283
284
struct
ieee80211_snap_hdr
{
285
u8
dsap
;
/* always 0xAA */
286
u8
ssap
;
/* always 0xAA */
287
u8
ctrl
;
/* always 0x03 */
288
u8
oui
[
P80211_OUI_LEN
];
/* organizational universal id */
289
}
__packed
;
290
291
#define SNAP_SIZE sizeof(struct ieee80211_snap_hdr)
292
293
#define WLAN_FC_GET_TYPE(fc) ((fc) & IEEE80211_FCTL_FTYPE)
294
#define WLAN_FC_GET_STYPE(fc) ((fc) & IEEE80211_FCTL_STYPE)
295
296
#define WLAN_QC_GET_TID(qc) ((qc) & 0x0f)
297
298
#define WLAN_GET_SEQ_FRAG(seq) ((seq) & IEEE80211_SCTL_FRAG)
299
#define WLAN_GET_SEQ_SEQ(seq) ((seq) & IEEE80211_SCTL_SEQ)
300
301
/* Authentication algorithms */
302
#define WLAN_AUTH_OPEN 0
303
#define WLAN_AUTH_SHARED_KEY 1
304
305
#define WLAN_AUTH_CHALLENGE_LEN 128
306
307
#define WLAN_CAPABILITY_BSS (1<<0)
308
#define WLAN_CAPABILITY_IBSS (1<<1)
309
#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
310
#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
311
#define WLAN_CAPABILITY_PRIVACY (1<<4)
312
#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
313
#define WLAN_CAPABILITY_PBCC (1<<6)
314
#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
315
#define WLAN_CAPABILITY_SHORT_SLOT (1<<10)
316
317
/* Status codes */
318
#define WLAN_STATUS_SUCCESS 0
319
#define WLAN_STATUS_UNSPECIFIED_FAILURE 1
320
#define WLAN_STATUS_CAPS_UNSUPPORTED 10
321
#define WLAN_STATUS_REASSOC_NO_ASSOC 11
322
#define WLAN_STATUS_ASSOC_DENIED_UNSPEC 12
323
#define WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG 13
324
#define WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION 14
325
#define WLAN_STATUS_CHALLENGE_FAIL 15
326
#define WLAN_STATUS_AUTH_TIMEOUT 16
327
#define WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA 17
328
#define WLAN_STATUS_ASSOC_DENIED_RATES 18
329
/* 802.11b */
330
#define WLAN_STATUS_ASSOC_DENIED_NOSHORT 19
331
#define WLAN_STATUS_ASSOC_DENIED_NOPBCC 20
332
#define WLAN_STATUS_ASSOC_DENIED_NOAGILITY 21
333
334
/* Reason codes */
335
#define WLAN_REASON_UNSPECIFIED 1
336
#define WLAN_REASON_PREV_AUTH_NOT_VALID 2
337
#define WLAN_REASON_DEAUTH_LEAVING 3
338
#define WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY 4
339
#define WLAN_REASON_DISASSOC_AP_BUSY 5
340
#define WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA 6
341
#define WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA 7
342
#define WLAN_REASON_DISASSOC_STA_HAS_LEFT 8
343
#define WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH 9
344
345
346
/* Information Element IDs */
347
#define WLAN_EID_SSID 0
348
#define WLAN_EID_SUPP_RATES 1
349
#define WLAN_EID_FH_PARAMS 2
350
#define WLAN_EID_DS_PARAMS 3
351
#define WLAN_EID_CF_PARAMS 4
352
#define WLAN_EID_TIM 5
353
#define WLAN_EID_IBSS_PARAMS 6
354
#define WLAN_EID_CHALLENGE 16
355
#define WLAN_EID_RSN 48
356
#define WLAN_EID_GENERIC 221
357
358
#define IEEE80211_MGMT_HDR_LEN 24
359
#define IEEE80211_DATA_HDR3_LEN 24
360
#define IEEE80211_DATA_HDR4_LEN 30
361
362
363
#define IEEE80211_STATMASK_SIGNAL (1<<0)
364
#define IEEE80211_STATMASK_RSSI (1<<1)
365
#define IEEE80211_STATMASK_NOISE (1<<2)
366
#define IEEE80211_STATMASK_RATE (1<<3)
367
#define IEEE80211_STATMASK_WEMASK 0x7
368
369
370
#define IEEE80211_CCK_MODULATION (1<<0)
371
#define IEEE80211_OFDM_MODULATION (1<<1)
372
373
#define IEEE80211_24GHZ_BAND (1<<0)
374
#define IEEE80211_52GHZ_BAND (1<<1)
375
376
#define IEEE80211_CCK_RATE_LEN 4
377
#define IEEE80211_NUM_OFDM_RATESLEN 8
378
379
380
#define IEEE80211_CCK_RATE_1MB 0x02
381
#define IEEE80211_CCK_RATE_2MB 0x04
382
#define IEEE80211_CCK_RATE_5MB 0x0B
383
#define IEEE80211_CCK_RATE_11MB 0x16
384
#define IEEE80211_OFDM_RATE_LEN 8
385
#define IEEE80211_OFDM_RATE_6MB 0x0C
386
#define IEEE80211_OFDM_RATE_9MB 0x12
387
#define IEEE80211_OFDM_RATE_12MB 0x18
388
#define IEEE80211_OFDM_RATE_18MB 0x24
389
#define IEEE80211_OFDM_RATE_24MB 0x30
390
#define IEEE80211_OFDM_RATE_36MB 0x48
391
#define IEEE80211_OFDM_RATE_48MB 0x60
392
#define IEEE80211_OFDM_RATE_54MB 0x6C
393
#define IEEE80211_BASIC_RATE_MASK 0x80
394
395
#define IEEE80211_CCK_RATE_1MB_MASK (1<<0)
396
#define IEEE80211_CCK_RATE_2MB_MASK (1<<1)
397
#define IEEE80211_CCK_RATE_5MB_MASK (1<<2)
398
#define IEEE80211_CCK_RATE_11MB_MASK (1<<3)
399
#define IEEE80211_OFDM_RATE_6MB_MASK (1<<4)
400
#define IEEE80211_OFDM_RATE_9MB_MASK (1<<5)
401
#define IEEE80211_OFDM_RATE_12MB_MASK (1<<6)
402
#define IEEE80211_OFDM_RATE_18MB_MASK (1<<7)
403
#define IEEE80211_OFDM_RATE_24MB_MASK (1<<8)
404
#define IEEE80211_OFDM_RATE_36MB_MASK (1<<9)
405
#define IEEE80211_OFDM_RATE_48MB_MASK (1<<10)
406
#define IEEE80211_OFDM_RATE_54MB_MASK (1<<11)
407
408
#define IEEE80211_CCK_RATES_MASK 0x0000000F
409
#define IEEE80211_CCK_BASIC_RATES_MASK (IEEE80211_CCK_RATE_1MB_MASK | \
410
IEEE80211_CCK_RATE_2MB_MASK)
411
#define IEEE80211_CCK_DEFAULT_RATES_MASK (IEEE80211_CCK_BASIC_RATES_MASK | \
412
IEEE80211_CCK_RATE_5MB_MASK | \
413
IEEE80211_CCK_RATE_11MB_MASK)
414
415
#define IEEE80211_OFDM_RATES_MASK 0x00000FF0
416
#define IEEE80211_OFDM_BASIC_RATES_MASK (IEEE80211_OFDM_RATE_6MB_MASK | \
417
IEEE80211_OFDM_RATE_12MB_MASK | \
418
IEEE80211_OFDM_RATE_24MB_MASK)
419
#define IEEE80211_OFDM_DEFAULT_RATES_MASK (IEEE80211_OFDM_BASIC_RATES_MASK | \
420
IEEE80211_OFDM_RATE_9MB_MASK | \
421
IEEE80211_OFDM_RATE_18MB_MASK | \
422
IEEE80211_OFDM_RATE_36MB_MASK | \
423
IEEE80211_OFDM_RATE_48MB_MASK | \
424
IEEE80211_OFDM_RATE_54MB_MASK)
425
#define IEEE80211_DEFAULT_RATES_MASK (IEEE80211_OFDM_DEFAULT_RATES_MASK | \
426
IEEE80211_CCK_DEFAULT_RATES_MASK)
427
428
#define IEEE80211_NUM_OFDM_RATES 8
429
#define IEEE80211_NUM_CCK_RATES 4
430
#define IEEE80211_OFDM_SHIFT_MASK_A 4
431
432
433
434
435
/* NOTE: This data is for statistical purposes; not all hardware provides this
436
* information for frames received. Not setting these will not cause
437
* any adverse affects. */
438
struct
ieee80211_rx_stats
{
439
s8
rssi
;
440
u8
signal
;
441
u8
noise
;
442
u8
received_channel
;
443
u16
rate
;
/* in 100 kbps */
444
u8
mask
;
445
u8
freq
;
446
u16
len
;
447
};
448
449
/* IEEE 802.11 requires that STA supports concurrent reception of at least
450
* three fragmented frames. This define can be increased to support more
451
* concurrent frames, but it should be noted that each entry can consume about
452
* 2 kB of RAM and increasing cache size will slow down frame reassembly. */
453
#define IEEE80211_FRAG_CACHE_LEN 4
454
455
struct
ieee80211_frag_entry
{
456
u32
first_frag_time
;
457
uint
seq
;
458
uint
last_frag
;
459
uint
qos
;
/*jackson*/
460
uint
tid
;
/*jackson*/
461
struct
sk_buff
*
skb
;
462
u8
src_addr
[
ETH_ALEN
];
463
u8
dst_addr
[
ETH_ALEN
];
464
};
465
466
struct
ieee80211_stats
{
467
uint
tx_unicast_frames
;
468
uint
tx_multicast_frames
;
469
uint
tx_fragments
;
470
uint
tx_unicast_octets
;
471
uint
tx_multicast_octets
;
472
uint
tx_deferred_transmissions
;
473
uint
tx_single_retry_frames
;
474
uint
tx_multiple_retry_frames
;
475
uint
tx_retry_limit_exceeded
;
476
uint
tx_discards
;
477
uint
rx_unicast_frames
;
478
uint
rx_multicast_frames
;
479
uint
rx_fragments
;
480
uint
rx_unicast_octets
;
481
uint
rx_multicast_octets
;
482
uint
rx_fcs_errors
;
483
uint
rx_discards_no_buffer
;
484
uint
tx_discards_wrong_sa
;
485
uint
rx_discards_undecryptable
;
486
uint
rx_message_in_msg_fragments
;
487
uint
rx_message_in_bad_msg_fragments
;
488
};
489
490
struct
ieee80211_softmac_stats
{
491
uint
rx_ass_ok
;
492
uint
rx_ass_err
;
493
uint
rx_probe_rq
;
494
uint
tx_probe_rs
;
495
uint
tx_beacons
;
496
uint
rx_auth_rq
;
497
uint
rx_auth_rs_ok
;
498
uint
rx_auth_rs_err
;
499
uint
tx_auth_rq
;
500
uint
no_auth_rs
;
501
uint
no_ass_rs
;
502
uint
tx_ass_rq
;
503
uint
rx_ass_rq
;
504
uint
tx_probe_rq
;
505
uint
reassoc
;
506
uint
swtxstop
;
507
uint
swtxawake
;
508
};
509
510
#define SEC_KEY_1 (1<<0)
511
#define SEC_KEY_2 (1<<1)
512
#define SEC_KEY_3 (1<<2)
513
#define SEC_KEY_4 (1<<3)
514
#define SEC_ACTIVE_KEY (1<<4)
515
#define SEC_AUTH_MODE (1<<5)
516
#define SEC_UNICAST_GROUP (1<<6)
517
#define SEC_LEVEL (1<<7)
518
#define SEC_ENABLED (1<<8)
519
520
#define SEC_LEVEL_0 0
/* None */
521
#define SEC_LEVEL_1 1
/* WEP 40 and 104 bit */
522
#define SEC_LEVEL_2 2
/* Level 1 + TKIP */
523
#define SEC_LEVEL_2_CKIP 3
/* Level 1 + CKIP */
524
#define SEC_LEVEL_3 4
/* Level 2 + CCMP */
525
526
#define WEP_KEYS 4
527
#define WEP_KEY_LEN 13
528
529
struct
ieee80211_security
{
530
u16
active_key
:2,
531
enabled
:1,
532
auth_mode
:2,
533
auth_algo
:4,
534
unicast_uses_group
:1;
535
u8
key_sizes
[
WEP_KEYS
];
536
u8
keys
[
WEP_KEYS
][
WEP_KEY_LEN
];
537
u8
level
;
538
u16
flags
;
539
}
__packed
;
540
541
/*
542
543
802.11 data frame from AP
544
545
,-------------------------------------------------------------------.
546
Bytes | 2 | 2 | 6 | 6 | 6 | 2 | 0..2312 | 4 |
547
|------|------|---------|---------|---------|------|---------|------|
548
Desc. | ctrl | dura | DA/RA | TA | SA | Sequ | frame | fcs |
549
| | tion | (BSSID) | | | ence | data | |
550
`-------------------------------------------------------------------'
551
552
Total: 28-2340 bytes
553
554
*/
555
556
struct
ieee80211_header_data
{
557
u16
frame_ctl
;
558
u16
duration_id
;
559
u8
addr1
[6];
560
u8
addr2
[6];
561
u8
addr3
[6];
562
u16
seq_ctrl
;
563
};
564
565
#define BEACON_PROBE_SSID_ID_POSITION 12
566
567
/* Management Frame Information Element Types */
568
#define MFIE_TYPE_SSID 0
569
#define MFIE_TYPE_RATES 1
570
#define MFIE_TYPE_FH_SET 2
571
#define MFIE_TYPE_DS_SET 3
572
#define MFIE_TYPE_CF_SET 4
573
#define MFIE_TYPE_TIM 5
574
#define MFIE_TYPE_IBSS_SET 6
575
#define MFIE_TYPE_CHALLENGE 16
576
#define MFIE_TYPE_ERP 42
577
#define MFIE_TYPE_RSN 48
578
#define MFIE_TYPE_RATES_EX 50
579
#define MFIE_TYPE_GENERIC 221
580
581
struct
ieee80211_info_element_hdr
{
582
u8
id
;
583
u8
len
;
584
}
__packed
;
585
586
struct
ieee80211_info_element
{
587
u8
id
;
588
u8
len
;
589
u8
data
[0];
590
}
__packed
;
591
592
/*
593
* These are the data types that can make up management packets
594
*
595
u16 auth_algorithm;
596
u16 auth_sequence;
597
u16 beacon_interval;
598
u16 capability;
599
u8 current_ap[ETH_ALEN];
600
u16 listen_interval;
601
struct {
602
u16 association_id:14, reserved:2;
603
} __packed;
604
u32 time_stamp[2];
605
u16 reason;
606
u16 status;
607
*/
608
609
#define IEEE80211_DEFAULT_TX_ESSID "Penguin"
610
#define IEEE80211_DEFAULT_BASIC_RATE 10
611
612
struct
ieee80211_authentication
{
613
struct
ieee80211_header_data
header;
614
u16
algorithm
;
615
u16
transaction
;
616
u16
status
;
617
}
__packed
;
618
619
struct
ieee80211_probe_response
{
620
struct
ieee80211_header_data
header
;
621
u32
time_stamp
[2];
622
u16
beacon_interval
;
623
u16
capability
;
624
struct
ieee80211_info_element
info_element
;
625
}
__packed
;
626
627
struct
ieee80211_probe_request
{
628
struct
ieee80211_header_data
header
;
629
}
__packed
;
630
631
struct
ieee80211_assoc_request_frame
{
632
struct
ieee80211_hdr_3addr
header
;
633
u16
capability
;
634
u16
listen_interval
;
635
struct
ieee80211_info_element_hdr
info_element
;
636
}
__packed
;
637
638
struct
ieee80211_assoc_response_frame
{
639
struct
ieee80211_hdr_3addr
header
;
640
u16
capability
;
641
u16
status
;
642
u16
aid
;
643
}
__packed
;
644
645
struct
ieee80211_txb
{
646
u8
nr_frags
;
647
u8
encrypted
;
648
u16
reserved
;
649
u16
frag_size
;
650
u16
payload_size
;
651
struct
sk_buff
*
fragments
[0];
652
};
653
654
/* SWEEP TABLE ENTRIES NUMBER*/
655
#define MAX_SWEEP_TAB_ENTRIES 42
656
#define MAX_SWEEP_TAB_ENTRIES_PER_PACKET 7
657
/* MAX_RATES_LENGTH needs to be 12. The spec says 8, and many APs
658
* only use 8, and then use extended rates for the remaining supported
659
* rates. Other APs, however, stick all of their supported rates on the
660
* main rates information element... */
661
#define MAX_RATES_LENGTH ((u8)12)
662
#define MAX_RATES_EX_LENGTH ((u8)16)
663
#define MAX_NETWORK_COUNT 128
664
#define MAX_CHANNEL_NUMBER 161
665
#define IEEE80211_SOFTMAC_SCAN_TIME 400
666
/*(HZ / 2)*/
667
#define IEEE80211_SOFTMAC_ASSOC_RETRY_TIME (HZ * 2)
668
669
#define CRC_LENGTH 4U
670
671
#define MAX_WPA_IE_LEN 128
672
673
#define NETWORK_EMPTY_ESSID (1<<0)
674
#define NETWORK_HAS_OFDM (1<<1)
675
#define NETWORK_HAS_CCK (1<<2)
676
677
#define IEEE80211_DTIM_MBCAST 4
678
#define IEEE80211_DTIM_UCAST 2
679
#define IEEE80211_DTIM_VALID 1
680
#define IEEE80211_DTIM_INVALID 0
681
682
#define IEEE80211_PS_DISABLED 0
683
#define IEEE80211_PS_UNICAST IEEE80211_DTIM_UCAST
684
#define IEEE80211_PS_MBCAST IEEE80211_DTIM_MBCAST
685
#define IW_ESSID_MAX_SIZE 32
686
/*
687
* join_res:
688
* -1: authentication fail
689
* -2: association fail
690
* > 0: TID
691
*/
692
693
enum
ieee80211_state
{
694
/* the card is not linked at all */
695
IEEE80211_NOLINK
= 0,
696
/* IEEE80211_ASSOCIATING* are for BSS client mode
697
* the driver shall not perform RX filtering unless
698
* the state is LINKED.
699
* The driver shall just check for the state LINKED and
700
* defaults to NOLINK for ALL the other states (including
701
* LINKED_SCANNING)
702
*/
703
/* the association procedure will start (wq scheduling)*/
704
IEEE80211_ASSOCIATING
,
705
IEEE80211_ASSOCIATING_RETRY
,
706
/* the association procedure is sending AUTH request*/
707
IEEE80211_ASSOCIATING_AUTHENTICATING
,
708
/* the association procedure has successfully authenticated
709
* and is sending association request
710
*/
711
IEEE80211_ASSOCIATING_AUTHENTICATED
,
712
/* the link is ok. the card associated to a BSS or linked
713
* to a ibss cell or acting as an AP and creating the bss
714
*/
715
IEEE80211_LINKED
,
716
/* same as LINKED, but the driver shall apply RX filter
717
* rules as we are in NO_LINK mode. As the card is still
718
* logically linked, but it is doing a syncro site survey
719
* then it will be back to LINKED state.
720
*/
721
IEEE80211_LINKED_SCANNING
,
722
};
723
724
#define DEFAULT_MAX_SCAN_AGE (15 * HZ)
725
#define DEFAULT_FTS 2346
726
727
#define CFG_IEEE80211_RESERVE_FCS (1<<0)
728
#define CFG_IEEE80211_COMPUTE_FCS (1<<1)
729
730
#define MAXTID 16
731
732
#define IEEE_A (1<<0)
733
#define IEEE_B (1<<1)
734
#define IEEE_G (1<<2)
735
#define IEEE_MODE_MASK (IEEE_A|IEEE_B|IEEE_G)
736
737
extern
inline
int
ieee80211_is_empty_essid
(
const
char
*essid,
int
essid_len)
738
{
739
/* Single white space is for Linksys APs */
740
if
(essid_len == 1 && essid[0] ==
' '
)
741
return
1;
742
/* Otherwise, if the entire essid is 0, we assume it is hidden */
743
while
(essid_len) {
744
essid_len--;
745
if
(essid[essid_len] !=
'\0'
)
746
return
0;
747
}
748
return
1;
749
}
750
751
extern
inline
int
ieee80211_get_hdrlen
(
u16
fc
)
752
{
753
int
hdrlen
= 24;
754
755
switch
(
WLAN_FC_GET_TYPE
(fc)) {
756
case
IEEE80211_FTYPE_DATA
:
757
if
(fc &
IEEE80211_QOS_DATAGRP
)
758
hdrlen += 2;
759
if
((fc &
IEEE80211_FCTL_FROMDS
) && (fc &
IEEE80211_FCTL_TODS
))
760
hdrlen += 6;
/* Addr4 */
761
break
;
762
case
IEEE80211_FTYPE_CTL
:
763
switch
(
WLAN_FC_GET_STYPE
(fc)) {
764
case
IEEE80211_STYPE_CTS
:
765
case
IEEE80211_STYPE_ACK
:
766
hdrlen = 10;
767
break
;
768
default
:
769
hdrlen = 16;
770
break
;
771
}
772
break
;
773
}
774
return
hdrlen
;
775
}
776
777
struct
registry_priv
;
778
779
u8
*
r8712_set_ie
(
u8
*pbuf,
sint
index
,
uint
len,
u8
*
source
,
uint
*frlen);
780
u8
*
r8712_get_ie
(
u8
*pbuf,
sint
index
,
sint
*len,
sint
limit
);
781
unsigned
char
*
r8712_get_wpa_ie
(
unsigned
char
*pie,
int
*rsn_ie_len,
int
limit
);
782
unsigned
char
*
r8712_get_wpa2_ie
(
unsigned
char
*pie,
int
*rsn_ie_len,
783
int
limit
);
784
int
r8712_parse_wpa_ie
(
u8
*wpa_ie,
int
wpa_ie_len,
int
*group_cipher,
785
int
*pairwise_cipher);
786
int
r8712_parse_wpa2_ie
(
u8
*wpa_ie,
int
wpa_ie_len,
int
*group_cipher,
787
int
*pairwise_cipher);
788
int
r8712_get_sec_ie
(
u8
*in_ie,
uint
in_len
,
u8
*rsn_ie,
u16
*rsn_len,
789
u8
*wpa_ie,
u16
*wpa_len);
790
int
r8712_get_wps_ie
(
u8
*in_ie,
uint
in_len
,
u8
*wps_ie,
uint
*wps_ielen);
791
int
r8712_generate_ie
(
struct
registry_priv
*pregistrypriv);
792
uint
r8712_is_cckrates_included
(
u8
*
rate
);
793
uint
r8712_is_cckratesonly_included
(
u8
*
rate
);
794
795
#endif
/* IEEE80211_H */
796
Generated on Thu Jan 10 2013 14:30:23 for Linux Kernel by
1.8.2