summaryrefslogtreecommitdiffstats
path: root/drivers/staging/rtl8712/wifi.h
blob: 277398cff0a79013af0ba1ba6764b36ef83a43fb (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
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
/******************************************************************************
 *
 * Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
 *
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of version 2 of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * 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, USA
 *
 * Modifications for inclusion into the Linux staging tree are
 * Copyright(c) 2010 Larry Finger. All rights reserved.
 *
 * Contact information:
 * WLAN FAE <wlanfae@realtek.com>
 * Larry Finger <Larry.Finger@lwfinger.net>
 *
 ******************************************************************************/
#ifndef _WIFI_H_
#define _WIFI_H_

#include "rtl871x_byteorder.h"
#include <linux/compiler.h>

#ifdef BIT
#undef BIT
#endif
#define BIT(x)	(1 << (x))

#define WLAN_ETHHDR_LEN		14
#define WLAN_ETHADDR_LEN	6
#define WLAN_IEEE_OUI_LEN	3
#define WLAN_ADDR_LEN		6
#define WLAN_CRC_LEN		4
#define WLAN_BSSID_LEN		6
#define WLAN_BSS_TS_LEN		8
#define WLAN_HDR_A3_LEN		24
#define WLAN_HDR_A4_LEN		30
#define WLAN_HDR_A3_QOS_LEN	26
#define WLAN_HDR_A4_QOS_LEN	32
#define WLAN_SSID_MAXLEN	32
#define WLAN_DATA_MAXLEN	2312

#define WLAN_A3_PN_OFFSET	24
#define WLAN_A4_PN_OFFSET	30

#define WLAN_MIN_ETHFRM_LEN	60
#define WLAN_MAX_ETHFRM_LEN	1514
#define WLAN_ETHHDR_LEN		14

#define P80211CAPTURE_VERSION	0x80211001

enum WIFI_FRAME_TYPE {
	WIFI_MGT_TYPE  =	(0),
	WIFI_CTRL_TYPE =	(BIT(2)),
	WIFI_DATA_TYPE =	(BIT(3)),
	WIFI_QOS_DATA_TYPE	= (BIT(7)|BIT(3)),	/*!< QoS Data */
};

enum WIFI_FRAME_SUBTYPE {
	/* below is for mgt frame */
	WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
	WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
	WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
	WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
	WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
	WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
	WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
	WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
	WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
	/* below is for control frame */
	WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
	WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
	WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
	WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
	WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
	WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
	/* below is for data frame */
	WIFI_DATA           = (0 | WIFI_DATA_TYPE),
	WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
	WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
	WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
	WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
	WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
	WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
	WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
};

enum WIFI_REASON_CODE	{
	_RSON_RESERVED_			= 0,
	_RSON_UNSPECIFIED_		= 1,
	_RSON_AUTH_NO_LONGER_VALID_	= 2,
	_RSON_DEAUTH_STA_LEAVING_	= 3,
	_RSON_INACTIVITY_		= 4,
	_RSON_UNABLE_HANDLE_		= 5,
	_RSON_CLS2_			= 6,
	_RSON_CLS3_			= 7,
	_RSON_DISAOC_STA_LEAVING_	= 8,
	_RSON_ASOC_NOT_AUTH_		= 9,
	/* WPA reason */
	_RSON_INVALID_IE_		= 13,
	_RSON_MIC_FAILURE_		= 14,
	_RSON_4WAY_HNDSHK_TIMEOUT_	= 15,
	_RSON_GROUP_KEY_UPDATE_TIMEOUT_	= 16,
	_RSON_DIFF_IE_			= 17,
	_RSON_MLTCST_CIPHER_NOT_VALID_	= 18,
	_RSON_UNICST_CIPHER_NOT_VALID_	= 19,
	_RSON_AKMP_NOT_VALID_		= 20,
	_RSON_UNSUPPORT_RSNE_VER_	= 21,
	_RSON_INVALID_RSNE_CAP_		= 22,
	_RSON_IEEE_802DOT1X_AUTH_FAIL_	= 23,
	/* below are Realtek definitions */
	_RSON_PMK_NOT_AVAILABLE_	= 24,
};

enum WIFI_STATUS_CODE {
	_STATS_SUCCESSFUL_		= 0,
	_STATS_FAILURE_			= 1,
	_STATS_CAP_FAIL_		= 10,
	_STATS_NO_ASOC_			= 11,
	_STATS_OTHER_			= 12,
	_STATS_NO_SUPP_ALG_		= 13,
	_STATS_OUT_OF_AUTH_SEQ_		= 14,
	_STATS_CHALLENGE_FAIL_		= 15,
	_STATS_AUTH_TIMEOUT_		= 16,
	_STATS_UNABLE_HANDLE_STA_	= 17,
	_STATS_RATE_FAIL_		= 18,
};

enum WIFI_REG_DOMAIN {
	DOMAIN_FCC	= 1,
	DOMAIN_IC	= 2,
	DOMAIN_ETSI	= 3,
	DOMAIN_SPAIN	= 4,
	DOMAIN_FRANCE	= 5,
	DOMAIN_MKK	= 6,
	DOMAIN_ISRAEL	= 7,
	DOMAIN_MKK1	= 8,
	DOMAIN_MKK2	= 9,
	DOMAIN_MKK3	= 10,
	DOMAIN_MAX
};

#define _TO_DS_		BIT(8)
#define _FROM_DS_	BIT(9)
#define _MORE_FRAG_	BIT(10)
#define _RETRY_		BIT(11)
#define _PWRMGT_	BIT(12)
#define _MORE_DATA_	BIT(13)
#define _PRIVACY_	BIT(14)
#define _ORDER_		BIT(15)

#define SetToDs(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
	} while (0)

#define GetToDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_TO_DS_)) != 0)

#define ClearToDs(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
	} while (0)

#define SetFrDs(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
	} while (0)

#define GetFrDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_FROM_DS_)) != 0)

#define ClearFrDs(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
	} while (0)

#define get_tofr_ds(pframe)	((GetToDs(pframe) << 1) | GetFrDs(pframe))


#define SetMFrag(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
	} while (0)

#define GetMFrag(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_MORE_FRAG_)) != 0)

#define ClearMFrag(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
	} while (0)

#define SetRetry(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
	} while (0)

#define GetRetry(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_RETRY_)) != 0)

#define ClearRetry(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
	} while (0)

#define SetPwrMgt(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
	} while (0)

#define GetPwrMgt(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_PWRMGT_)) != 0)

#define ClearPwrMgt(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
	} while (0)

#define SetMData(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
	} while (0)

#define GetMData(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_MORE_DATA_)) != 0)

#define ClearMData(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
	} while (0)

#define SetPrivacy(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
	} while (0)

#define GetPrivacy(pbuf)	(((*(unsigned short *)(pbuf)) & \
				le16_to_cpu(_PRIVACY_)) != 0)

#define ClearPrivacy(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \
	} while (0)


#define GetOrder(pbuf)	(((*(unsigned short *)(pbuf)) & \
			le16_to_cpu(_ORDER_)) != 0)

#define GetFrameType(pbuf)	(le16_to_cpu(*(unsigned short *)(pbuf)) & \
				(BIT(3) | BIT(2)))

#define SetFrameType(pbuf, type)	\
	do {	\
		*(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \
		BIT(2))); \
		*(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \
	} while (0)

#define GetFrameSubType(pbuf)	(cpu_to_le16(*(unsigned short *)(pbuf)) & \
				(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
				BIT(2)))

#define SetFrameSubType(pbuf, type) \
	do {    \
		*(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
		BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
		*(unsigned short *)(pbuf) |= cpu_to_le16(type); \
	} while (0)

#define GetSequence(pbuf)	(cpu_to_le16(*(unsigned short *)\
				((addr_t)(pbuf) + 22)) >> 4)

#define GetFragNum(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)\
				(pbuf) + 22)) & 0x0f)

#define GetTupleCache(pbuf)	(cpu_to_le16(*(unsigned short *)\
				((addr_t)(pbuf) + 22)))

#define SetFragNum(pbuf, num) \
	do {    \
		*(unsigned short *)((addr_t)(pbuf) + 22) = \
			((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
			le16_to_cpu(~(0x000f))) | \
			cpu_to_le16(0x0f & (num));     \
	} while (0)

#define SetSeqNum(pbuf, num) \
	do {    \
		*(unsigned short *)((addr_t)(pbuf) + 22) = \
			((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
			le16_to_cpu((unsigned short)0x000f)) | \
			le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
	} while (0)

#define SetDuration(pbuf, dur) \
	do {    \
		*(unsigned short *)((addr_t)(pbuf) + 2) |= \
			cpu_to_le16(0xffff & (dur)); \
	} while (0)

#define SetPriority(pbuf, tid)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
	} while (0)

#define GetPriority(pbuf)	((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)

#define SetAckpolicy(pbuf, ack)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
	} while (0)

#define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)

#define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)

#define SetAMsdu(pbuf, amsdu)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \
	} while (0)

#define GetAid(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
			& 0x3fff)

#define GetTid(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + \
			(((GetToDs(pbuf) << 1)|GetFrDs(pbuf)) == 3 ? \
			30 : 24))) & 0x000f)

#define GetAddr1Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 4))

#define GetAddr2Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 10))

#define GetAddr3Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 16))

#define GetAddr4Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 24))



static inline int IS_MCAST(unsigned char *da)
{
	if ((*da) & 0x01)
		return true;
	else
		return false;
}


static inline unsigned char *get_da(unsigned char *pframe)
{
	unsigned char	*da;
	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);

	switch (to_fr_ds) {
	case 0x00:	/* ToDs=0, FromDs=0 */
		da = GetAddr1Ptr(pframe);
		break;
	case 0x01:	/* ToDs=0, FromDs=1 */
		da = GetAddr1Ptr(pframe);
		break;
	case 0x02:	/* ToDs=1, FromDs=0 */
		da = GetAddr3Ptr(pframe);
		break;
	default:	/* ToDs=1, FromDs=1 */
		da = GetAddr3Ptr(pframe);
		break;
	}
	return da;
}


static inline unsigned char *get_sa(unsigned char *pframe)
{
	unsigned char	*sa;
	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);

	switch (to_fr_ds) {
	case 0x00:	/* ToDs=0, FromDs=0 */
		sa = GetAddr2Ptr(pframe);
		break;
	case 0x01:	/* ToDs=0, FromDs=1 */
		sa = GetAddr3Ptr(pframe);
		break;
	case 0x02:	/* ToDs=1, FromDs=0 */
		sa = GetAddr2Ptr(pframe);
		break;
	default:	/* ToDs=1, FromDs=1 */
		sa = GetAddr4Ptr(pframe);
		break;
	}

	return sa;
}

static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
{
	unsigned char	*sa;
	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);

	switch (to_fr_ds) {
	case 0x00:	/* ToDs=0, FromDs=0 */
		sa = GetAddr3Ptr(pframe);
		break;
	case 0x01:	/* ToDs=0, FromDs=1 */
		sa = GetAddr2Ptr(pframe);
		break;
	case 0x02:	/* ToDs=1, FromDs=0 */
		sa = GetAddr1Ptr(pframe);
		break;
	default:	/* ToDs=1, FromDs=1 */
		sa = NULL;
		break;
	}
	return sa;
}



/*-----------------------------------------------------------------------------
			Below is for the security related definition
------------------------------------------------------------------------------*/
#define _RESERVED_FRAME_TYPE_	0
#define _SKB_FRAME_TYPE_	2
#define _PRE_ALLOCMEM_		1
#define _PRE_ALLOCHDR_		3
#define _PRE_ALLOCLLCHDR_	4
#define _PRE_ALLOCICVHDR_	5
#define _PRE_ALLOCMICHDR_	6

#define _SIFSTIME_		((priv->pmib->BssType.net_work_type & \
				WIRELESS_11A) ? 16 : 10)
#define _ACKCTSLNG_		14	/*14 bytes long, including crclng */
#define _CRCLNG_		4

#define _ASOCREQ_IE_OFFSET_	4	/* excluding wlan_hdr */
#define	_ASOCRSP_IE_OFFSET_	6
#define _REASOCREQ_IE_OFFSET_	10
#define _REASOCRSP_IE_OFFSET_	6
#define _PROBEREQ_IE_OFFSET_	0
#define	_PROBERSP_IE_OFFSET_	12
#define _AUTH_IE_OFFSET_	6
#define _DEAUTH_IE_OFFSET_	0
#define _BEACON_IE_OFFSET_	12

#define _FIXED_IE_LENGTH_	_BEACON_IE_OFFSET_

#define _SSID_IE_		0
#define _SUPPORTEDRATES_IE_	1
#define _DSSET_IE_		3
#define _TIM_IE_		5
#define _IBSS_PARA_IE_		6
#define _CHLGETXT_IE_		16
#define _RSN_IE_2_		48`
#define _SSN_IE_1_		221
#define _ERPINFO_IE_		42
#define _EXT_SUPPORTEDRATES_IE_	50

#define _HT_CAPABILITY_IE_	45
#define _HT_EXTRA_INFO_IE_	61
#define _HT_ADD_INFO_IE_	61 /* _HT_EXTRA_INFO_IE_ */

#define _VENDOR_SPECIFIC_IE_	221

#define	_RESERVED47_		47


/* ---------------------------------------------------------------------------
					Below is the fixed elements...
-----------------------------------------------------------------------------*/
#define _AUTH_ALGM_NUM_			2
#define _AUTH_SEQ_NUM_			2
#define _BEACON_ITERVAL_		2
#define _CAPABILITY_			2
#define _CURRENT_APADDR_		6
#define _LISTEN_INTERVAL_		2
#define _RSON_CODE_				2
#define _ASOC_ID_				2
#define _STATUS_CODE_			2
#define _TIMESTAMP_				8

#define AUTH_ODD_TO				0
#define AUTH_EVEN_TO			1

#define WLAN_ETHCONV_ENCAP		1
#define WLAN_ETHCONV_RFC1042	2
#define WLAN_ETHCONV_8021h		3

#define cap_ESS BIT(0)
#define cap_IBSS BIT(1)
#define cap_CFPollable BIT(2)
#define cap_CFRequest BIT(3)
#define cap_Privacy BIT(4)
#define cap_ShortPremble BIT(5)

/*-----------------------------------------------------------------------------
				Below is the definition for 802.11i / 802.1x
------------------------------------------------------------------------------*/
#define _IEEE8021X_MGT_			1	/*WPA */
#define _IEEE8021X_PSK_			2	/* WPA with pre-shared key */

/*-----------------------------------------------------------------------------
				Below is the definition for WMM
------------------------------------------------------------------------------*/
#define _WMM_IE_Length_				7  /* for WMM STA */
#define _WMM_Para_Element_Length_		24


/*-----------------------------------------------------------------------------
				Below is the definition for 802.11n
------------------------------------------------------------------------------*/

/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

#define SetOrderBit(pbuf)	\
	do	{	\
		*(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
	} while (0)

#define GetOrderBit(pbuf)	(((*(unsigned short *)(pbuf)) & \
				le16_to_cpu(_ORDER_)) != 0)


/**
 * struct ieee80211_bar - HT Block Ack Request
 *
 * This structure refers to "HT BlockAckReq" as
 * described in 802.11n draft section 7.2.1.7.1
 */
struct ieee80211_bar {
	unsigned short frame_control;
	unsigned short duration;
	unsigned char ra[6];
	unsigned char ta[6];
	unsigned short control;
	unsigned short start_seq_num;
} __packed;

/* 802.11 BAR control masks */
#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004


 /**
 * struct ieee80211_ht_cap - HT capabilities
 *
 * This structure refers to "HT capabilities element" as
 * described in 802.11n draft section 7.3.2.52
 */

struct ieee80211_ht_cap {
	unsigned short	cap_info;
	unsigned char	ampdu_params_info;
	unsigned char	supp_mcs_set[16];
	unsigned short	extended_ht_cap_info;
	unsigned int		tx_BF_cap_info;
	unsigned char	       antenna_selection_info;
} __packed;

/**
 * struct ieee80211_ht_cap - HT additional information
 *
 * This structure refers to "HT information element" as
 * described in 802.11n draft section 7.3.2.53
 */
struct ieee80211_ht_addt_info {
	unsigned char	control_chan;
	unsigned char		ht_param;
	unsigned short	operation_mode;
	unsigned short	stbc_param;
	unsigned char		basic_set[16];
} __packed;

/* 802.11n HT capabilities masks */
#define IEEE80211_HT_CAP_SUP_WIDTH		0x0002
#define IEEE80211_HT_CAP_SM_PS			0x000C
#define IEEE80211_HT_CAP_GRN_FLD		0x0010
#define IEEE80211_HT_CAP_SGI_20			0x0020
#define IEEE80211_HT_CAP_SGI_40			0x0040
#define IEEE80211_HT_CAP_TX_STBC			0x0080
#define IEEE80211_HT_CAP_DELAY_BA		0x0400
#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
/* 802.11n HT capability AMPDU settings */
#define IEEE80211_HT_CAP_AMPDU_FACTOR		0x03
#define IEEE80211_HT_CAP_AMPDU_DENSITY		0x1C
/* 802.11n HT capability MSC set */
#define IEEE80211_SUPP_MCS_SET_UEQM		4
#define IEEE80211_HT_CAP_MAX_STREAMS		4
#define IEEE80211_SUPP_MCS_SET_LEN		10
/* maximum streams the spec allows */
#define IEEE80211_HT_CAP_MCS_TX_DEFINED		0x01
#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF		0x02
#define IEEE80211_HT_CAP_MCS_TX_STREAMS		0x0C
#define IEEE80211_HT_CAP_MCS_TX_UEQM		0x10
/* 802.11n HT IE masks */
#define IEEE80211_HT_IE_CHA_SEC_OFFSET		0x03
#define IEEE80211_HT_IE_CHA_SEC_NONE		0x00
#define IEEE80211_HT_IE_CHA_SEC_ABOVE		0x01
#define IEEE80211_HT_IE_CHA_SEC_BELOW		0x03
#define IEEE80211_HT_IE_CHA_WIDTH		0x04
#define IEEE80211_HT_IE_HT_PROTECTION		0x0003
#define IEEE80211_HT_IE_NON_GF_STA_PRSNT	0x0004
#define IEEE80211_HT_IE_NON_HT_STA_PRSNT	0x0010

/* block-ack parameters */
#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800

/*
 * A-PMDU buffer sizes
 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
 */
#define IEEE80211_MIN_AMPDU_BUF 0x8
#define IEEE80211_MAX_AMPDU_BUF 0x40


/* Spatial Multiplexing Power Save Modes */
#define WLAN_HT_CAP_SM_PS_STATIC		0
#define WLAN_HT_CAP_SM_PS_DYNAMIC	1
#define WLAN_HT_CAP_SM_PS_INVALID	2
#define WLAN_HT_CAP_SM_PS_DISABLED	3

#endif /* _WIFI_H_ */