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 <wlanfae@realtek.com>
23 * Larry Finger <Larry.Finger@lwfinger.net>
24 *
25 ******************************************************************************/
26#ifndef _WIFI_H_
27#define _WIFI_H_
28
29#include <linux/compiler.h>
30
31#define WLAN_IEEE_OUI_LEN	3
32#define WLAN_CRC_LEN		4
33#define WLAN_BSSID_LEN		6
34#define WLAN_BSS_TS_LEN		8
35#define WLAN_HDR_A3_LEN		24
36#define WLAN_HDR_A4_LEN		30
37#define WLAN_HDR_A3_QOS_LEN	26
38#define WLAN_HDR_A4_QOS_LEN	32
39#define WLAN_SSID_MAXLEN	32
40#define WLAN_DATA_MAXLEN	2312
41
42#define WLAN_A3_PN_OFFSET	24
43#define WLAN_A4_PN_OFFSET	30
44
45#define WLAN_MIN_ETHFRM_LEN	60
46#define WLAN_MAX_ETHFRM_LEN	1514
47
48#define P80211CAPTURE_VERSION	0x80211001
49
50enum WIFI_FRAME_TYPE {
51	WIFI_MGT_TYPE  =	(0),
52	WIFI_CTRL_TYPE =	(BIT(2)),
53	WIFI_DATA_TYPE =	(BIT(3)),
54	WIFI_QOS_DATA_TYPE	= (BIT(7)|BIT(3)),	/*!< QoS Data */
55};
56
57enum WIFI_FRAME_SUBTYPE {
58	/* below is for mgt frame */
59	WIFI_ASSOCREQ       = (0 | WIFI_MGT_TYPE),
60	WIFI_ASSOCRSP       = (BIT(4) | WIFI_MGT_TYPE),
61	WIFI_REASSOCREQ     = (BIT(5) | WIFI_MGT_TYPE),
62	WIFI_REASSOCRSP     = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
63	WIFI_PROBEREQ       = (BIT(6) | WIFI_MGT_TYPE),
64	WIFI_PROBERSP       = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
65	WIFI_BEACON         = (BIT(7) | WIFI_MGT_TYPE),
66	WIFI_ATIM           = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
67	WIFI_DISASSOC       = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
68	WIFI_AUTH           = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
69	WIFI_DEAUTH         = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
70	WIFI_ACTION         = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
71	/* below is for control frame */
72	WIFI_PSPOLL         = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
73	WIFI_RTS            = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
74	WIFI_CTS            = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
75	WIFI_ACK            = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
76	WIFI_CFEND          = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
77	WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
78	/* below is for data frame */
79	WIFI_DATA           = (0 | WIFI_DATA_TYPE),
80	WIFI_DATA_CFACK     = (BIT(4) | WIFI_DATA_TYPE),
81	WIFI_DATA_CFPOLL    = (BIT(5) | WIFI_DATA_TYPE),
82	WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
83	WIFI_DATA_NULL      = (BIT(6) | WIFI_DATA_TYPE),
84	WIFI_CF_ACK         = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
85	WIFI_CF_POLL        = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
86	WIFI_CF_ACKPOLL     = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
87};
88
89enum WIFI_REASON_CODE	{
90	_RSON_RESERVED_			= 0,
91	_RSON_UNSPECIFIED_		= 1,
92	_RSON_AUTH_NO_LONGER_VALID_	= 2,
93	_RSON_DEAUTH_STA_LEAVING_	= 3,
94	_RSON_INACTIVITY_		= 4,
95	_RSON_UNABLE_HANDLE_		= 5,
96	_RSON_CLS2_			= 6,
97	_RSON_CLS3_			= 7,
98	_RSON_DISAOC_STA_LEAVING_	= 8,
99	_RSON_ASOC_NOT_AUTH_		= 9,
100	/* WPA reason */
101	_RSON_INVALID_IE_		= 13,
102	_RSON_MIC_FAILURE_		= 14,
103	_RSON_4WAY_HNDSHK_TIMEOUT_	= 15,
104	_RSON_GROUP_KEY_UPDATE_TIMEOUT_	= 16,
105	_RSON_DIFF_IE_			= 17,
106	_RSON_MLTCST_CIPHER_NOT_VALID_	= 18,
107	_RSON_UNICST_CIPHER_NOT_VALID_	= 19,
108	_RSON_AKMP_NOT_VALID_		= 20,
109	_RSON_UNSUPPORT_RSNE_VER_	= 21,
110	_RSON_INVALID_RSNE_CAP_		= 22,
111	_RSON_IEEE_802DOT1X_AUTH_FAIL_	= 23,
112	/* below are Realtek definitions */
113	_RSON_PMK_NOT_AVAILABLE_	= 24,
114};
115
116enum WIFI_STATUS_CODE {
117	_STATS_SUCCESSFUL_		= 0,
118	_STATS_FAILURE_			= 1,
119	_STATS_CAP_FAIL_		= 10,
120	_STATS_NO_ASOC_			= 11,
121	_STATS_OTHER_			= 12,
122	_STATS_NO_SUPP_ALG_		= 13,
123	_STATS_OUT_OF_AUTH_SEQ_		= 14,
124	_STATS_CHALLENGE_FAIL_		= 15,
125	_STATS_AUTH_TIMEOUT_		= 16,
126	_STATS_UNABLE_HANDLE_STA_	= 17,
127	_STATS_RATE_FAIL_		= 18,
128};
129
130enum WIFI_REG_DOMAIN {
131	DOMAIN_FCC	= 1,
132	DOMAIN_IC	= 2,
133	DOMAIN_ETSI	= 3,
134	DOMAIN_SPAIN	= 4,
135	DOMAIN_FRANCE	= 5,
136	DOMAIN_MKK	= 6,
137	DOMAIN_ISRAEL	= 7,
138	DOMAIN_MKK1	= 8,
139	DOMAIN_MKK2	= 9,
140	DOMAIN_MKK3	= 10,
141	DOMAIN_MAX
142};
143
144#define _TO_DS_		BIT(8)
145#define _FROM_DS_	BIT(9)
146#define _MORE_FRAG_	BIT(10)
147#define _RETRY_		BIT(11)
148#define _PWRMGT_	BIT(12)
149#define _MORE_DATA_	BIT(13)
150#define _PRIVACY_	BIT(14)
151#define _ORDER_		BIT(15)
152
153#define SetToDs(pbuf) ({ \
154	*(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
155})
156
157#define GetToDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
158			le16_to_cpu(_TO_DS_)) != 0)
159
160#define ClearToDs(pbuf)	({ \
161	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
162})
163
164#define SetFrDs(pbuf) ({ \
165	*(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
166})
167
168#define GetFrDs(pbuf)	(((*(unsigned short *)(pbuf)) & \
169			le16_to_cpu(_FROM_DS_)) != 0)
170
171#define ClearFrDs(pbuf)	({ \
172	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
173})
174
175#define get_tofr_ds(pframe)	((GetToDs(pframe) << 1) | GetFrDs(pframe))
176
177
178#define SetMFrag(pbuf) ({ \
179	*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
180})
181
182#define GetMFrag(pbuf)	(((*(unsigned short *)(pbuf)) & \
183			le16_to_cpu(_MORE_FRAG_)) != 0)
184
185#define ClearMFrag(pbuf) ({ \
186	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
187})
188
189#define SetRetry(pbuf) ({ \
190	*(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
191})
192
193#define GetRetry(pbuf)	(((*(unsigned short *)(pbuf)) & \
194			le16_to_cpu(_RETRY_)) != 0)
195
196#define ClearRetry(pbuf) ({ \
197	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
198})
199
200#define SetPwrMgt(pbuf) ({ \
201	*(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
202})
203
204#define GetPwrMgt(pbuf)	(((*(unsigned short *)(pbuf)) & \
205			le16_to_cpu(_PWRMGT_)) != 0)
206
207#define ClearPwrMgt(pbuf) ({ \
208	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
209})
210
211#define SetMData(pbuf) ({ \
212	*(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
213})
214
215#define GetMData(pbuf)	(((*(unsigned short *)(pbuf)) & \
216			le16_to_cpu(_MORE_DATA_)) != 0)
217
218#define ClearMData(pbuf) ({ \
219	*(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
220})
221
222#define SetPrivacy(pbuf) ({ \
223	*(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
224})
225
226#define GetPrivacy(pbuf)	(((*(unsigned short *)(pbuf)) & \
227				le16_to_cpu(_PRIVACY_)) != 0)
228
229#define GetOrder(pbuf)	(((*(unsigned short *)(pbuf)) & \
230			le16_to_cpu(_ORDER_)) != 0)
231
232#define GetFrameType(pbuf)	(le16_to_cpu(*(unsigned short *)(pbuf)) & \
233				(BIT(3) | BIT(2)))
234
235#define SetFrameType(pbuf, type)	\
236	do {	\
237		*(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
238		BIT(2))); \
239		*(unsigned short *)(pbuf) |= cpu_to_le16(type); \
240	} while (0)
241
242#define GetFrameSubType(pbuf)	(cpu_to_le16(*(unsigned short *)(pbuf)) & \
243				(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
244				BIT(2)))
245
246#define SetFrameSubType(pbuf, type) \
247	do {    \
248		*(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
249		BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
250		*(unsigned short *)(pbuf) |= cpu_to_le16(type); \
251	} while (0)
252
253#define GetSequence(pbuf)	(cpu_to_le16(*(unsigned short *)\
254				((addr_t)(pbuf) + 22)) >> 4)
255
256#define GetFragNum(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)\
257				(pbuf) + 22)) & 0x0f)
258
259#define SetSeqNum(pbuf, num) ({ \
260	*(unsigned short *)((addr_t)(pbuf) + 22) = \
261	((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
262	le16_to_cpu((unsigned short)0x000f)) | \
263	le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
264})
265
266#define SetDuration(pbuf, dur) ({ \
267	*(unsigned short *)((addr_t)(pbuf) + 2) |= \
268	cpu_to_le16(0xffff & (dur)); \
269})
270
271#define SetPriority(pbuf, tid) ({ \
272	*(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
273})
274
275#define GetPriority(pbuf)	((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
276
277#define SetAckpolicy(pbuf, ack) ({ \
278	*(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
279})
280
281#define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
282
283#define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
284
285#define GetAid(pbuf)	(cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
286			& 0x3fff)
287
288#define GetAddr1Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 4))
289
290#define GetAddr2Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 10))
291
292#define GetAddr3Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 16))
293
294#define GetAddr4Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 24))
295
296
297
298static inline int IS_MCAST(unsigned char *da)
299{
300	if ((*da) & 0x01)
301		return true;
302	else
303		return false;
304}
305
306
307static inline unsigned char *get_da(unsigned char *pframe)
308{
309	unsigned char	*da;
310	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
311
312	switch (to_fr_ds) {
313	case 0x00:	/* ToDs=0, FromDs=0 */
314		da = GetAddr1Ptr(pframe);
315		break;
316	case 0x01:	/* ToDs=0, FromDs=1 */
317		da = GetAddr1Ptr(pframe);
318		break;
319	case 0x02:	/* ToDs=1, FromDs=0 */
320		da = GetAddr3Ptr(pframe);
321		break;
322	default:	/* ToDs=1, FromDs=1 */
323		da = GetAddr3Ptr(pframe);
324		break;
325	}
326	return da;
327}
328
329
330static inline unsigned char *get_sa(unsigned char *pframe)
331{
332	unsigned char	*sa;
333	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
334
335	switch (to_fr_ds) {
336	case 0x00:	/* ToDs=0, FromDs=0 */
337		sa = GetAddr2Ptr(pframe);
338		break;
339	case 0x01:	/* ToDs=0, FromDs=1 */
340		sa = GetAddr3Ptr(pframe);
341		break;
342	case 0x02:	/* ToDs=1, FromDs=0 */
343		sa = GetAddr2Ptr(pframe);
344		break;
345	default:	/* ToDs=1, FromDs=1 */
346		sa = GetAddr4Ptr(pframe);
347		break;
348	}
349
350	return sa;
351}
352
353static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
354{
355	unsigned char	*sa;
356	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
357
358	switch (to_fr_ds) {
359	case 0x00:	/* ToDs=0, FromDs=0 */
360		sa = GetAddr3Ptr(pframe);
361		break;
362	case 0x01:	/* ToDs=0, FromDs=1 */
363		sa = GetAddr2Ptr(pframe);
364		break;
365	case 0x02:	/* ToDs=1, FromDs=0 */
366		sa = GetAddr1Ptr(pframe);
367		break;
368	default:	/* ToDs=1, FromDs=1 */
369		sa = NULL;
370		break;
371	}
372	return sa;
373}
374
375
376
377/*-----------------------------------------------------------------------------
378			Below is for the security related definition
379------------------------------------------------------------------------------*/
380#define _RESERVED_FRAME_TYPE_	0
381#define _SKB_FRAME_TYPE_	2
382#define _PRE_ALLOCMEM_		1
383#define _PRE_ALLOCHDR_		3
384#define _PRE_ALLOCLLCHDR_	4
385#define _PRE_ALLOCICVHDR_	5
386#define _PRE_ALLOCMICHDR_	6
387
388#define _SIFSTIME_		((priv->pmib->BssType.net_work_type & \
389				WIRELESS_11A) ? 16 : 10)
390#define _ACKCTSLNG_		14	/*14 bytes long, including crclng */
391#define _CRCLNG_		4
392
393#define _ASOCREQ_IE_OFFSET_	4	/* excluding wlan_hdr */
394#define	_ASOCRSP_IE_OFFSET_	6
395#define _REASOCREQ_IE_OFFSET_	10
396#define _REASOCRSP_IE_OFFSET_	6
397#define _PROBEREQ_IE_OFFSET_	0
398#define	_PROBERSP_IE_OFFSET_	12
399#define _AUTH_IE_OFFSET_	6
400#define _DEAUTH_IE_OFFSET_	0
401#define _BEACON_IE_OFFSET_	12
402
403#define _FIXED_IE_LENGTH_	_BEACON_IE_OFFSET_
404
405#define _SSID_IE_		0
406#define _SUPPORTEDRATES_IE_	1
407#define _DSSET_IE_		3
408#define _IBSS_PARA_IE_		6
409#define _ERPINFO_IE_		42
410#define _EXT_SUPPORTEDRATES_IE_	50
411
412#define _HT_CAPABILITY_IE_	45
413#define _HT_EXTRA_INFO_IE_	61
414#define _HT_ADD_INFO_IE_	61 /* _HT_EXTRA_INFO_IE_ */
415
416#define _VENDOR_SPECIFIC_IE_	221
417
418#define	_RESERVED47_		47
419
420
421/* ---------------------------------------------------------------------------
422					Below is the fixed elements...
423-----------------------------------------------------------------------------*/
424#define _AUTH_ALGM_NUM_			2
425#define _AUTH_SEQ_NUM_			2
426#define _BEACON_ITERVAL_		2
427#define _CAPABILITY_			2
428#define _CURRENT_APADDR_		6
429#define _LISTEN_INTERVAL_		2
430#define _RSON_CODE_				2
431#define _ASOC_ID_				2
432#define _STATUS_CODE_			2
433#define _TIMESTAMP_				8
434
435#define AUTH_ODD_TO				0
436#define AUTH_EVEN_TO			1
437
438#define WLAN_ETHCONV_ENCAP		1
439#define WLAN_ETHCONV_RFC1042	2
440#define WLAN_ETHCONV_8021h		3
441
442#define cap_ESS BIT(0)
443#define cap_IBSS BIT(1)
444#define cap_CFPollable BIT(2)
445#define cap_CFRequest BIT(3)
446#define cap_Privacy BIT(4)
447#define cap_ShortPremble BIT(5)
448
449/*-----------------------------------------------------------------------------
450				Below is the definition for 802.11i / 802.1x
451------------------------------------------------------------------------------*/
452#define _IEEE8021X_MGT_			1	/*WPA */
453#define _IEEE8021X_PSK_			2	/* WPA with pre-shared key */
454
455/*-----------------------------------------------------------------------------
456				Below is the definition for WMM
457------------------------------------------------------------------------------*/
458#define _WMM_IE_Length_				7  /* for WMM STA */
459#define _WMM_Para_Element_Length_		24
460
461
462/*-----------------------------------------------------------------------------
463				Below is the definition for 802.11n
464------------------------------------------------------------------------------*/
465
466/* block-ack parameters */
467#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
468#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
469#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
470#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
471#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
472
473#define SetOrderBit(pbuf) ({ \
474	*(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
475})
476
477#define GetOrderBit(pbuf)	(((*(unsigned short *)(pbuf)) & \
478				le16_to_cpu(_ORDER_)) != 0)
479
480
481/**
482 * struct ieee80211_bar - HT Block Ack Request
483 *
484 * This structure refers to "HT BlockAckReq" as
485 * described in 802.11n draft section 7.2.1.7.1
486 */
487struct ieee80211_bar {
488	unsigned short frame_control;
489	unsigned short duration;
490	unsigned char ra[6];
491	unsigned char ta[6];
492	unsigned short control;
493	unsigned short start_seq_num;
494} __packed;
495
496/* 802.11 BAR control masks */
497#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
498#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
499
500
501 /**
502 * struct ieee80211_ht_cap - HT capabilities
503 *
504 * This structure refers to "HT capabilities element" as
505 * described in 802.11n draft section 7.3.2.52
506 */
507
508struct ieee80211_ht_cap {
509	unsigned short	cap_info;
510	unsigned char	ampdu_params_info;
511	unsigned char	supp_mcs_set[16];
512	unsigned short	extended_ht_cap_info;
513	unsigned int		tx_BF_cap_info;
514	unsigned char	       antenna_selection_info;
515} __packed;
516
517/**
518 * struct ieee80211_ht_cap - HT additional information
519 *
520 * This structure refers to "HT information element" as
521 * described in 802.11n draft section 7.3.2.53
522 */
523struct ieee80211_ht_addt_info {
524	unsigned char	control_chan;
525	unsigned char		ht_param;
526	unsigned short	operation_mode;
527	unsigned short	stbc_param;
528	unsigned char		basic_set[16];
529} __packed;
530
531/* 802.11n HT capabilities masks */
532#define IEEE80211_HT_CAP_SUP_WIDTH		0x0002
533#define IEEE80211_HT_CAP_SM_PS			0x000C
534#define IEEE80211_HT_CAP_GRN_FLD		0x0010
535#define IEEE80211_HT_CAP_SGI_20			0x0020
536#define IEEE80211_HT_CAP_SGI_40			0x0040
537#define IEEE80211_HT_CAP_TX_STBC			0x0080
538#define IEEE80211_HT_CAP_DELAY_BA		0x0400
539#define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
540#define IEEE80211_HT_CAP_DSSSCCK40		0x1000
541/* 802.11n HT capability AMPDU settings */
542#define IEEE80211_HT_CAP_AMPDU_FACTOR		0x03
543#define IEEE80211_HT_CAP_AMPDU_DENSITY		0x1C
544/* 802.11n HT capability MSC set */
545#define IEEE80211_SUPP_MCS_SET_UEQM		4
546#define IEEE80211_HT_CAP_MAX_STREAMS		4
547#define IEEE80211_SUPP_MCS_SET_LEN		10
548/* maximum streams the spec allows */
549#define IEEE80211_HT_CAP_MCS_TX_DEFINED		0x01
550#define IEEE80211_HT_CAP_MCS_TX_RX_DIFF		0x02
551#define IEEE80211_HT_CAP_MCS_TX_STREAMS		0x0C
552#define IEEE80211_HT_CAP_MCS_TX_UEQM		0x10
553/* 802.11n HT IE masks */
554#define IEEE80211_HT_IE_CHA_SEC_OFFSET		0x03
555#define IEEE80211_HT_IE_CHA_SEC_NONE		0x00
556#define IEEE80211_HT_IE_CHA_SEC_ABOVE		0x01
557#define IEEE80211_HT_IE_CHA_SEC_BELOW		0x03
558#define IEEE80211_HT_IE_CHA_WIDTH		0x04
559#define IEEE80211_HT_IE_HT_PROTECTION		0x0003
560#define IEEE80211_HT_IE_NON_GF_STA_PRSNT	0x0004
561#define IEEE80211_HT_IE_NON_HT_STA_PRSNT	0x0010
562
563/* block-ack parameters */
564#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
565#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
566#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
567#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
568#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
569
570/*
571 * A-PMDU buffer sizes
572 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
573 */
574#define IEEE80211_MIN_AMPDU_BUF 0x8
575#define IEEE80211_MAX_AMPDU_BUF 0x40
576
577
578/* Spatial Multiplexing Power Save Modes */
579#define WLAN_HT_CAP_SM_PS_STATIC		0
580#define WLAN_HT_CAP_SM_PS_DYNAMIC	1
581#define WLAN_HT_CAP_SM_PS_INVALID	2
582#define WLAN_HT_CAP_SM_PS_DISABLED	3
583
584#endif /* _WIFI_H_ */
585
586