xref: /linux/drivers/staging/rtl8712/wifi.h (revision 307797159ac25fe5a2048bf5c6a5718298edca57)
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 
50 enum 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 
57 enum 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 
89 enum 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 
116 enum 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 
130 enum 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 	*(__le16 *)(pbuf) |= cpu_to_le16(_TO_DS_); \
155 })
156 
157 #define GetToDs(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(_TO_DS_)) != 0)
158 
159 #define ClearToDs(pbuf)	({ \
160 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
161 })
162 
163 #define SetFrDs(pbuf) ({ \
164 	*(__le16 *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
165 })
166 
167 #define GetFrDs(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(_FROM_DS_)) != 0)
168 
169 #define ClearFrDs(pbuf)	({ \
170 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
171 })
172 
173 static inline unsigned char get_tofr_ds(unsigned char *pframe)
174 {
175 	return ((GetToDs(pframe) << 1) | GetFrDs(pframe));
176 }
177 
178 #define SetMFrag(pbuf) ({ \
179 	*(__le16 *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
180 })
181 
182 #define GetMFrag(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(_MORE_FRAG_)) != 0)
183 
184 #define ClearMFrag(pbuf) ({ \
185 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
186 })
187 
188 #define SetRetry(pbuf) ({ \
189 	*(__le16 *)(pbuf) |= cpu_to_le16(_RETRY_); \
190 })
191 
192 #define GetRetry(pbuf)	(((*(__le16 *)(pbuf)) & cpu_to_le16(_RETRY_)) != 0)
193 
194 #define ClearRetry(pbuf) ({ \
195 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
196 })
197 
198 #define SetPwrMgt(pbuf) ({ \
199 	*(__le16 *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
200 })
201 
202 #define GetPwrMgt(pbuf)	(((*(__le16 *)(pbuf)) & \
203 			cpu_to_le16(_PWRMGT_)) != 0)
204 
205 #define ClearPwrMgt(pbuf) ({ \
206 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
207 })
208 
209 #define SetMData(pbuf) ({ \
210 	*(__le16 *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
211 })
212 
213 #define GetMData(pbuf)	(((*(__le16 *)(pbuf)) & \
214 			cpu_to_le16(_MORE_DATA_)) != 0)
215 
216 #define ClearMData(pbuf) ({ \
217 	*(__le16 *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
218 })
219 
220 #define SetPrivacy(pbuf) ({ \
221 	*(__le16 *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
222 })
223 
224 #define GetPrivacy(pbuf)	(((*(__le16 *)(pbuf)) & \
225 				cpu_to_le16(_PRIVACY_)) != 0)
226 
227 #define GetOrder(pbuf)	(((*(__le16 *)(pbuf)) & \
228 			cpu_to_le16(_ORDER_)) != 0)
229 
230 #define GetFrameType(pbuf)	(le16_to_cpu(*(__le16 *)(pbuf)) & \
231 				(BIT(3) | BIT(2)))
232 
233 #define SetFrameType(pbuf, type)	\
234 	do {	\
235 		*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
236 		BIT(2))); \
237 		*(__le16 *)(pbuf) |= cpu_to_le16(type); \
238 	} while (0)
239 
240 #define GetFrameSubType(pbuf)	(le16_to_cpu(*(__le16 *)(pbuf)) & \
241 				(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
242 				BIT(2)))
243 
244 #define SetFrameSubType(pbuf, type) \
245 	do {    \
246 		*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
247 		BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
248 		*(__le16 *)(pbuf) |= cpu_to_le16(type); \
249 	} while (0)
250 
251 #define GetSequence(pbuf)	(le16_to_cpu(*(__le16 *)\
252 				((addr_t)(pbuf) + 22)) >> 4)
253 
254 #define GetFragNum(pbuf)	(le16_to_cpu(*(__le16 *)((addr_t)\
255 				(pbuf) + 22)) & 0x0f)
256 
257 #define SetSeqNum(pbuf, num) ({ \
258 	*(__le16 *)((addr_t)(pbuf) + 22) = \
259 	cpu_to_le16((le16_to_cpu(*(__le16 *)((addr_t)(pbuf) + 22)) & \
260 	0x000f) | (0xfff0 & (num << 4))); \
261 })
262 
263 #define SetDuration(pbuf, dur) ({ \
264 	*(__le16 *)((addr_t)(pbuf) + 2) |= \
265 	cpu_to_le16(0xffff & (dur)); \
266 })
267 
268 #define SetPriority(pbuf, tid) ({ \
269 	*(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf); \
270 })
271 
272 #define GetPriority(pbuf)	((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)
273 
274 #define SetAckpolicy(pbuf, ack) ({ \
275 	*(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
276 })
277 
278 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)
279 
280 #define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)
281 
282 #define GetAid(pbuf)	(cpu_to_le16(*(__le16 *)((addr_t)(pbuf) + 2)) \
283 			& 0x3fff)
284 
285 #define GetAddr1Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 4))
286 
287 #define GetAddr2Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 10))
288 
289 #define GetAddr3Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 16))
290 
291 #define GetAddr4Ptr(pbuf)	((unsigned char *)((addr_t)(pbuf) + 24))
292 
293 
294 
295 static inline int IS_MCAST(unsigned char *da)
296 {
297 	if ((*da) & 0x01)
298 		return true;
299 	else
300 		return false;
301 }
302 
303 
304 static inline unsigned char *get_da(unsigned char *pframe)
305 {
306 	unsigned char	*da;
307 	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
308 
309 	switch (to_fr_ds) {
310 	case 0x00:	/* ToDs=0, FromDs=0 */
311 		da = GetAddr1Ptr(pframe);
312 		break;
313 	case 0x01:	/* ToDs=0, FromDs=1 */
314 		da = GetAddr1Ptr(pframe);
315 		break;
316 	case 0x02:	/* ToDs=1, FromDs=0 */
317 		da = GetAddr3Ptr(pframe);
318 		break;
319 	default:	/* ToDs=1, FromDs=1 */
320 		da = GetAddr3Ptr(pframe);
321 		break;
322 	}
323 	return da;
324 }
325 
326 
327 static inline unsigned char *get_sa(unsigned char *pframe)
328 {
329 	unsigned char	*sa;
330 	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
331 
332 	switch (to_fr_ds) {
333 	case 0x00:	/* ToDs=0, FromDs=0 */
334 		sa = GetAddr2Ptr(pframe);
335 		break;
336 	case 0x01:	/* ToDs=0, FromDs=1 */
337 		sa = GetAddr3Ptr(pframe);
338 		break;
339 	case 0x02:	/* ToDs=1, FromDs=0 */
340 		sa = GetAddr2Ptr(pframe);
341 		break;
342 	default:	/* ToDs=1, FromDs=1 */
343 		sa = GetAddr4Ptr(pframe);
344 		break;
345 	}
346 
347 	return sa;
348 }
349 
350 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
351 {
352 	unsigned char	*sa;
353 	unsigned int	to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
354 
355 	switch (to_fr_ds) {
356 	case 0x00:	/* ToDs=0, FromDs=0 */
357 		sa = GetAddr3Ptr(pframe);
358 		break;
359 	case 0x01:	/* ToDs=0, FromDs=1 */
360 		sa = GetAddr2Ptr(pframe);
361 		break;
362 	case 0x02:	/* ToDs=1, FromDs=0 */
363 		sa = GetAddr1Ptr(pframe);
364 		break;
365 	default:	/* ToDs=1, FromDs=1 */
366 		sa = NULL;
367 		break;
368 	}
369 	return sa;
370 }
371 
372 
373 
374 /*-----------------------------------------------------------------------------
375  *		Below is for the security related definition
376  *-----------------------------------------------------------------------------
377  */
378 #define _RESERVED_FRAME_TYPE_	0
379 #define _SKB_FRAME_TYPE_	2
380 #define _PRE_ALLOCMEM_		1
381 #define _PRE_ALLOCHDR_		3
382 #define _PRE_ALLOCLLCHDR_	4
383 #define _PRE_ALLOCICVHDR_	5
384 #define _PRE_ALLOCMICHDR_	6
385 
386 #define _SIFSTIME_		((priv->pmib->BssType.net_work_type & \
387 				WIRELESS_11A) ? 16 : 10)
388 #define _ACKCTSLNG_		14	/*14 bytes long, including crclng */
389 #define _CRCLNG_		4
390 
391 #define _ASOCREQ_IE_OFFSET_	4	/* excluding wlan_hdr */
392 #define	_ASOCRSP_IE_OFFSET_	6
393 #define _REASOCREQ_IE_OFFSET_	10
394 #define _REASOCRSP_IE_OFFSET_	6
395 #define _PROBEREQ_IE_OFFSET_	0
396 #define	_PROBERSP_IE_OFFSET_	12
397 #define _AUTH_IE_OFFSET_	6
398 #define _DEAUTH_IE_OFFSET_	0
399 #define _BEACON_IE_OFFSET_	12
400 
401 #define _FIXED_IE_LENGTH_	_BEACON_IE_OFFSET_
402 
403 #define _SSID_IE_		0
404 #define _SUPPORTEDRATES_IE_	1
405 #define _DSSET_IE_		3
406 #define _IBSS_PARA_IE_		6
407 #define _ERPINFO_IE_		42
408 #define _EXT_SUPPORTEDRATES_IE_	50
409 
410 #define _HT_CAPABILITY_IE_	45
411 #define _HT_EXTRA_INFO_IE_	61
412 #define _HT_ADD_INFO_IE_	61 /* _HT_EXTRA_INFO_IE_ */
413 
414 #define _VENDOR_SPECIFIC_IE_	221
415 
416 #define	_RESERVED47_		47
417 
418 
419 /* ---------------------------------------------------------------------------
420  *			Below is the fixed elements...
421  * ---------------------------------------------------------------------------
422  */
423 #define _AUTH_ALGM_NUM_			2
424 #define _AUTH_SEQ_NUM_			2
425 #define _BEACON_ITERVAL_		2
426 #define _CAPABILITY_			2
427 #define _CURRENT_APADDR_		6
428 #define _LISTEN_INTERVAL_		2
429 #define _RSON_CODE_				2
430 #define _ASOC_ID_				2
431 #define _STATUS_CODE_			2
432 #define _TIMESTAMP_				8
433 
434 #define AUTH_ODD_TO				0
435 #define AUTH_EVEN_TO			1
436 
437 #define WLAN_ETHCONV_ENCAP		1
438 #define WLAN_ETHCONV_RFC1042	2
439 #define WLAN_ETHCONV_8021h		3
440 
441 #define cap_ESS BIT(0)
442 #define cap_IBSS BIT(1)
443 #define cap_CFPollable BIT(2)
444 #define cap_CFRequest BIT(3)
445 #define cap_Privacy BIT(4)
446 #define cap_ShortPremble BIT(5)
447 
448 /*-----------------------------------------------------------------------------
449  *			Below is the definition for 802.11i / 802.1x
450  *------------------------------------------------------------------------------
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  */
459 #define _WMM_IE_Length_				7  /* for WMM STA */
460 #define _WMM_Para_Element_Length_		24
461 
462 
463 /*-----------------------------------------------------------------------------
464  *			Below is the definition for 802.11n
465  *------------------------------------------------------------------------------
466  */
467 
468 /* block-ack parameters */
469 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
470 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
471 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
472 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
473 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
474 
475 #define SetOrderBit(pbuf) ({ \
476 	*(__le16 *)(pbuf) |= cpu_to_le16(_ORDER_); \
477 })
478 
479 #define GetOrderBit(pbuf)	(((*(__le16 *)(pbuf)) & \
480 				le16_to_cpu(_ORDER_)) != 0)
481 
482 
483 /**
484  * struct ieee80211_bar - HT Block Ack Request
485  *
486  * This structure refers to "HT BlockAckReq" as
487  * described in 802.11n draft section 7.2.1.7.1
488  */
489 struct ieee80211_bar {
490 	__le16 frame_control;
491 	__le16 duration;
492 	unsigned char ra[6];
493 	unsigned char ta[6];
494 	__le16 control;
495 	__le16 start_seq_num;
496 } __packed;
497 
498 /* 802.11 BAR control masks */
499 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL     0x0000
500 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA  0x0004
501 
502 
503 /*
504  * struct ieee80211_ht_cap - HT capabilities
505  *
506  * This structure refers to "HT capabilities element" as
507  * described in 802.11n draft section 7.3.2.52
508  */
509 
510 struct ieee80211_ht_cap {
511 	__le16	cap_info;
512 	unsigned char	ampdu_params_info;
513 	unsigned char	supp_mcs_set[16];
514 	__le16	extended_ht_cap_info;
515 	__le32	tx_BF_cap_info;
516 	unsigned char	       antenna_selection_info;
517 } __packed;
518 
519 /**
520  * struct ieee80211_ht_cap - HT additional information
521  *
522  * This structure refers to "HT information element" as
523  * described in 802.11n draft section 7.3.2.53
524  */
525 struct ieee80211_ht_addt_info {
526 	unsigned char	control_chan;
527 	unsigned char		ht_param;
528 	__le16	operation_mode;
529 	__le16	stbc_param;
530 	unsigned char		basic_set[16];
531 } __packed;
532 
533 /* 802.11n HT capabilities masks */
534 #define IEEE80211_HT_CAP_SUP_WIDTH		0x0002
535 #define IEEE80211_HT_CAP_SM_PS			0x000C
536 #define IEEE80211_HT_CAP_GRN_FLD		0x0010
537 #define IEEE80211_HT_CAP_SGI_20			0x0020
538 #define IEEE80211_HT_CAP_SGI_40			0x0040
539 #define IEEE80211_HT_CAP_TX_STBC			0x0080
540 #define IEEE80211_HT_CAP_DELAY_BA		0x0400
541 #define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
542 #define IEEE80211_HT_CAP_DSSSCCK40		0x1000
543 /* 802.11n HT capability AMPDU settings */
544 #define IEEE80211_HT_CAP_AMPDU_FACTOR		0x03
545 #define IEEE80211_HT_CAP_AMPDU_DENSITY		0x1C
546 /* 802.11n HT capability MSC set */
547 #define IEEE80211_SUPP_MCS_SET_UEQM		4
548 #define IEEE80211_HT_CAP_MAX_STREAMS		4
549 #define IEEE80211_SUPP_MCS_SET_LEN		10
550 /* maximum streams the spec allows */
551 #define IEEE80211_HT_CAP_MCS_TX_DEFINED		0x01
552 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF		0x02
553 #define IEEE80211_HT_CAP_MCS_TX_STREAMS		0x0C
554 #define IEEE80211_HT_CAP_MCS_TX_UEQM		0x10
555 /* 802.11n HT IE masks */
556 #define IEEE80211_HT_IE_CHA_SEC_OFFSET		0x03
557 #define IEEE80211_HT_IE_CHA_SEC_NONE		0x00
558 #define IEEE80211_HT_IE_CHA_SEC_ABOVE		0x01
559 #define IEEE80211_HT_IE_CHA_SEC_BELOW		0x03
560 #define IEEE80211_HT_IE_CHA_WIDTH		0x04
561 #define IEEE80211_HT_IE_HT_PROTECTION		0x0003
562 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT	0x0004
563 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT	0x0010
564 
565 /* block-ack parameters */
566 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
567 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
568 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
569 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
570 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
571 
572 /*
573  * A-PMDU buffer sizes
574  * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
575  */
576 #define IEEE80211_MIN_AMPDU_BUF 0x8
577 
578 
579 /* Spatial Multiplexing Power Save Modes */
580 #define WLAN_HT_CAP_SM_PS_STATIC		0
581 #define WLAN_HT_CAP_SM_PS_DYNAMIC	1
582 #define WLAN_HT_CAP_SM_PS_INVALID	2
583 #define WLAN_HT_CAP_SM_PS_DISABLED	3
584 
585 #endif /* _WIFI_H_ */
586 
587