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 #ifdef BIT
32 #undef BIT
33 #endif
34 #define BIT(x) (1 << (x))
35
36 #define WLAN_ETHHDR_LEN 14
37 #define WLAN_ETHADDR_LEN 6
38 #define WLAN_IEEE_OUI_LEN 3
39 #define WLAN_ADDR_LEN 6
40 #define WLAN_CRC_LEN 4
41 #define WLAN_BSSID_LEN 6
42 #define WLAN_BSS_TS_LEN 8
43 #define WLAN_HDR_A3_LEN 24
44 #define WLAN_HDR_A4_LEN 30
45 #define WLAN_HDR_A3_QOS_LEN 26
46 #define WLAN_HDR_A4_QOS_LEN 32
47 #define WLAN_SSID_MAXLEN 32
48 #define WLAN_DATA_MAXLEN 2312
49
50 #define WLAN_A3_PN_OFFSET 24
51 #define WLAN_A4_PN_OFFSET 30
52
53 #define WLAN_MIN_ETHFRM_LEN 60
54 #define WLAN_MAX_ETHFRM_LEN 1514
55 #define WLAN_ETHHDR_LEN 14
56
57 #define P80211CAPTURE_VERSION 0x80211001
58
59 enum WIFI_FRAME_TYPE {
60 WIFI_MGT_TYPE = (0),
61 WIFI_CTRL_TYPE = (BIT(2)),
62 WIFI_DATA_TYPE = (BIT(3)),
63 WIFI_QOS_DATA_TYPE = (BIT(7)|BIT(3)), /*!< QoS Data */
64 };
65
66 enum WIFI_FRAME_SUBTYPE {
67 /* below is for mgt frame */
68 WIFI_ASSOCREQ = (0 | WIFI_MGT_TYPE),
69 WIFI_ASSOCRSP = (BIT(4) | WIFI_MGT_TYPE),
70 WIFI_REASSOCREQ = (BIT(5) | WIFI_MGT_TYPE),
71 WIFI_REASSOCRSP = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
72 WIFI_PROBEREQ = (BIT(6) | WIFI_MGT_TYPE),
73 WIFI_PROBERSP = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
74 WIFI_BEACON = (BIT(7) | WIFI_MGT_TYPE),
75 WIFI_ATIM = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
76 WIFI_DISASSOC = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
77 WIFI_AUTH = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
78 WIFI_DEAUTH = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
79 WIFI_ACTION = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
80 /* below is for control frame */
81 WIFI_PSPOLL = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
82 WIFI_RTS = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
83 WIFI_CTS = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
84 WIFI_ACK = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
85 WIFI_CFEND = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
86 WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
87 /* below is for data frame */
88 WIFI_DATA = (0 | WIFI_DATA_TYPE),
89 WIFI_DATA_CFACK = (BIT(4) | WIFI_DATA_TYPE),
90 WIFI_DATA_CFPOLL = (BIT(5) | WIFI_DATA_TYPE),
91 WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
92 WIFI_DATA_NULL = (BIT(6) | WIFI_DATA_TYPE),
93 WIFI_CF_ACK = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
94 WIFI_CF_POLL = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
95 WIFI_CF_ACKPOLL = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
96 };
97
98 enum WIFI_REASON_CODE {
99 _RSON_RESERVED_ = 0,
100 _RSON_UNSPECIFIED_ = 1,
101 _RSON_AUTH_NO_LONGER_VALID_ = 2,
102 _RSON_DEAUTH_STA_LEAVING_ = 3,
103 _RSON_INACTIVITY_ = 4,
104 _RSON_UNABLE_HANDLE_ = 5,
105 _RSON_CLS2_ = 6,
106 _RSON_CLS3_ = 7,
107 _RSON_DISAOC_STA_LEAVING_ = 8,
108 _RSON_ASOC_NOT_AUTH_ = 9,
109 /* WPA reason */
110 _RSON_INVALID_IE_ = 13,
111 _RSON_MIC_FAILURE_ = 14,
112 _RSON_4WAY_HNDSHK_TIMEOUT_ = 15,
113 _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
114 _RSON_DIFF_IE_ = 17,
115 _RSON_MLTCST_CIPHER_NOT_VALID_ = 18,
116 _RSON_UNICST_CIPHER_NOT_VALID_ = 19,
117 _RSON_AKMP_NOT_VALID_ = 20,
118 _RSON_UNSUPPORT_RSNE_VER_ = 21,
119 _RSON_INVALID_RSNE_CAP_ = 22,
120 _RSON_IEEE_802DOT1X_AUTH_FAIL_ = 23,
121 /* below are Realtek definitions */
122 _RSON_PMK_NOT_AVAILABLE_ = 24,
123 };
124
125 enum WIFI_STATUS_CODE {
126 _STATS_SUCCESSFUL_ = 0,
127 _STATS_FAILURE_ = 1,
128 _STATS_CAP_FAIL_ = 10,
129 _STATS_NO_ASOC_ = 11,
130 _STATS_OTHER_ = 12,
131 _STATS_NO_SUPP_ALG_ = 13,
132 _STATS_OUT_OF_AUTH_SEQ_ = 14,
133 _STATS_CHALLENGE_FAIL_ = 15,
134 _STATS_AUTH_TIMEOUT_ = 16,
135 _STATS_UNABLE_HANDLE_STA_ = 17,
136 _STATS_RATE_FAIL_ = 18,
137 };
138
139 enum WIFI_REG_DOMAIN {
140 DOMAIN_FCC = 1,
141 DOMAIN_IC = 2,
142 DOMAIN_ETSI = 3,
143 DOMAIN_SPAIN = 4,
144 DOMAIN_FRANCE = 5,
145 DOMAIN_MKK = 6,
146 DOMAIN_ISRAEL = 7,
147 DOMAIN_MKK1 = 8,
148 DOMAIN_MKK2 = 9,
149 DOMAIN_MKK3 = 10,
150 DOMAIN_MAX
151 };
152
153 #define _TO_DS_ BIT(8)
154 #define _FROM_DS_ BIT(9)
155 #define _MORE_FRAG_ BIT(10)
156 #define _RETRY_ BIT(11)
157 #define _PWRMGT_ BIT(12)
158 #define _MORE_DATA_ BIT(13)
159 #define _PRIVACY_ BIT(14)
160 #define _ORDER_ BIT(15)
161
162 #define SetToDs(pbuf) ({ \
163 *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
164 })
165
166 #define GetToDs(pbuf) (((*(unsigned short *)(pbuf)) & \
167 le16_to_cpu(_TO_DS_)) != 0)
168
169 #define ClearToDs(pbuf) ({ \
170 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
171 })
172
173 #define SetFrDs(pbuf) ({ \
174 *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
175 })
176
177 #define GetFrDs(pbuf) (((*(unsigned short *)(pbuf)) & \
178 le16_to_cpu(_FROM_DS_)) != 0)
179
180 #define ClearFrDs(pbuf) ({ \
181 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
182 })
183
184 #define get_tofr_ds(pframe) ((GetToDs(pframe) << 1) | GetFrDs(pframe))
185
186
187 #define SetMFrag(pbuf) ({ \
188 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
189 })
190
191 #define GetMFrag(pbuf) (((*(unsigned short *)(pbuf)) & \
192 le16_to_cpu(_MORE_FRAG_)) != 0)
193
194 #define ClearMFrag(pbuf) ({ \
195 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
196 })
197
198 #define SetRetry(pbuf) ({ \
199 *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
200 })
201
202 #define GetRetry(pbuf) (((*(unsigned short *)(pbuf)) & \
203 le16_to_cpu(_RETRY_)) != 0)
204
205 #define ClearRetry(pbuf) ({ \
206 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
207 })
208
209 #define SetPwrMgt(pbuf) ({ \
210 *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
211 })
212
213 #define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
214 le16_to_cpu(_PWRMGT_)) != 0)
215
216 #define ClearPwrMgt(pbuf) ({ \
217 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
218 })
219
220 #define SetMData(pbuf) ({ \
221 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
222 })
223
224 #define GetMData(pbuf) (((*(unsigned short *)(pbuf)) & \
225 le16_to_cpu(_MORE_DATA_)) != 0)
226
227 #define ClearMData(pbuf) ({ \
228 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
229 })
230
231 #define SetPrivacy(pbuf) ({ \
232 *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
233 })
234
235 #define GetPrivacy(pbuf) (((*(unsigned short *)(pbuf)) & \
236 le16_to_cpu(_PRIVACY_)) != 0)
237
238 #define ClearPrivacy(pbuf) ({ \
239 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \
240 })
241
242
243 #define GetOrder(pbuf) (((*(unsigned short *)(pbuf)) & \
244 le16_to_cpu(_ORDER_)) != 0)
245
246 #define GetFrameType(pbuf) (le16_to_cpu(*(unsigned short *)(pbuf)) & \
247 (BIT(3) | BIT(2)))
248
249 #define SetFrameType(pbuf, type) \
250 do { \
251 *(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \
252 BIT(2))); \
253 *(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \
254 } while (0)
255
256 #define GetFrameSubType(pbuf) (cpu_to_le16(*(unsigned short *)(pbuf)) & \
257 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
258 BIT(2)))
259
260 #define SetFrameSubType(pbuf, type) \
261 do { \
262 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
263 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
264 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
265 } while (0)
266
267 #define GetSequence(pbuf) (cpu_to_le16(*(unsigned short *)\
268 ((addr_t)(pbuf) + 22)) >> 4)
269
270 #define GetFragNum(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)\
271 (pbuf) + 22)) & 0x0f)
272
273 #define GetTupleCache(pbuf) (cpu_to_le16(*(unsigned short *)\
274 ((addr_t)(pbuf) + 22)))
275
276 #define SetFragNum(pbuf, num) ({ \
277 *(unsigned short *)((addr_t)(pbuf) + 22) = \
278 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
279 le16_to_cpu(~(0x000f))) | \
280 cpu_to_le16(0x0f & (num)); \
281 })
282
283 #define SetSeqNum(pbuf, num) ({ \
284 *(unsigned short *)((addr_t)(pbuf) + 22) = \
285 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
286 le16_to_cpu((unsigned short)0x000f)) | \
287 le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
288 })
289
290 #define SetDuration(pbuf, dur) ({ \
291 *(unsigned short *)((addr_t)(pbuf) + 2) |= \
292 cpu_to_le16(0xffff & (dur)); \
293 })
294
295 #define SetPriority(pbuf, tid) ({ \
296 *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
297 })
298
299 #define GetPriority(pbuf) ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
300
301 #define SetAckpolicy(pbuf, ack) ({ \
302 *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
303 })
304
305 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
306
307 #define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
308
309 #define SetAMsdu(pbuf, amsdu) ({ \
310 *(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \
311 })
312
313 #define GetAid(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + 2)) \
314 & 0x3fff)
315
316 #define GetTid(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)(pbuf) + \
317 (((GetToDs(pbuf) << 1)|GetFrDs(pbuf)) == 3 ? \
318 30 : 24))) & 0x000f)
319
320 #define GetAddr1Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 4))
321
322 #define GetAddr2Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 10))
323
324 #define GetAddr3Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 16))
325
326 #define GetAddr4Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 24))
327
328
329
IS_MCAST(unsigned char * da)330 static inline int IS_MCAST(unsigned char *da)
331 {
332 if ((*da) & 0x01)
333 return true;
334 else
335 return false;
336 }
337
338
get_da(unsigned char * pframe)339 static inline unsigned char *get_da(unsigned char *pframe)
340 {
341 unsigned char *da;
342 unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
343
344 switch (to_fr_ds) {
345 case 0x00: /* ToDs=0, FromDs=0 */
346 da = GetAddr1Ptr(pframe);
347 break;
348 case 0x01: /* ToDs=0, FromDs=1 */
349 da = GetAddr1Ptr(pframe);
350 break;
351 case 0x02: /* ToDs=1, FromDs=0 */
352 da = GetAddr3Ptr(pframe);
353 break;
354 default: /* ToDs=1, FromDs=1 */
355 da = GetAddr3Ptr(pframe);
356 break;
357 }
358 return da;
359 }
360
361
get_sa(unsigned char * pframe)362 static inline unsigned char *get_sa(unsigned char *pframe)
363 {
364 unsigned char *sa;
365 unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
366
367 switch (to_fr_ds) {
368 case 0x00: /* ToDs=0, FromDs=0 */
369 sa = GetAddr2Ptr(pframe);
370 break;
371 case 0x01: /* ToDs=0, FromDs=1 */
372 sa = GetAddr3Ptr(pframe);
373 break;
374 case 0x02: /* ToDs=1, FromDs=0 */
375 sa = GetAddr2Ptr(pframe);
376 break;
377 default: /* ToDs=1, FromDs=1 */
378 sa = GetAddr4Ptr(pframe);
379 break;
380 }
381
382 return sa;
383 }
384
get_hdr_bssid(unsigned char * pframe)385 static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
386 {
387 unsigned char *sa;
388 unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
389
390 switch (to_fr_ds) {
391 case 0x00: /* ToDs=0, FromDs=0 */
392 sa = GetAddr3Ptr(pframe);
393 break;
394 case 0x01: /* ToDs=0, FromDs=1 */
395 sa = GetAddr2Ptr(pframe);
396 break;
397 case 0x02: /* ToDs=1, FromDs=0 */
398 sa = GetAddr1Ptr(pframe);
399 break;
400 default: /* ToDs=1, FromDs=1 */
401 sa = NULL;
402 break;
403 }
404 return sa;
405 }
406
407
408
409 /*-----------------------------------------------------------------------------
410 Below is for the security related definition
411 ------------------------------------------------------------------------------*/
412 #define _RESERVED_FRAME_TYPE_ 0
413 #define _SKB_FRAME_TYPE_ 2
414 #define _PRE_ALLOCMEM_ 1
415 #define _PRE_ALLOCHDR_ 3
416 #define _PRE_ALLOCLLCHDR_ 4
417 #define _PRE_ALLOCICVHDR_ 5
418 #define _PRE_ALLOCMICHDR_ 6
419
420 #define _SIFSTIME_ ((priv->pmib->BssType.net_work_type & \
421 WIRELESS_11A) ? 16 : 10)
422 #define _ACKCTSLNG_ 14 /*14 bytes long, including crclng */
423 #define _CRCLNG_ 4
424
425 #define _ASOCREQ_IE_OFFSET_ 4 /* excluding wlan_hdr */
426 #define _ASOCRSP_IE_OFFSET_ 6
427 #define _REASOCREQ_IE_OFFSET_ 10
428 #define _REASOCRSP_IE_OFFSET_ 6
429 #define _PROBEREQ_IE_OFFSET_ 0
430 #define _PROBERSP_IE_OFFSET_ 12
431 #define _AUTH_IE_OFFSET_ 6
432 #define _DEAUTH_IE_OFFSET_ 0
433 #define _BEACON_IE_OFFSET_ 12
434
435 #define _FIXED_IE_LENGTH_ _BEACON_IE_OFFSET_
436
437 #define _SSID_IE_ 0
438 #define _SUPPORTEDRATES_IE_ 1
439 #define _DSSET_IE_ 3
440 #define _IBSS_PARA_IE_ 6
441 #define _ERPINFO_IE_ 42
442 #define _EXT_SUPPORTEDRATES_IE_ 50
443
444 #define _HT_CAPABILITY_IE_ 45
445 #define _HT_EXTRA_INFO_IE_ 61
446 #define _HT_ADD_INFO_IE_ 61 /* _HT_EXTRA_INFO_IE_ */
447
448 #define _VENDOR_SPECIFIC_IE_ 221
449
450 #define _RESERVED47_ 47
451
452
453 /* ---------------------------------------------------------------------------
454 Below is the fixed elements...
455 -----------------------------------------------------------------------------*/
456 #define _AUTH_ALGM_NUM_ 2
457 #define _AUTH_SEQ_NUM_ 2
458 #define _BEACON_ITERVAL_ 2
459 #define _CAPABILITY_ 2
460 #define _CURRENT_APADDR_ 6
461 #define _LISTEN_INTERVAL_ 2
462 #define _RSON_CODE_ 2
463 #define _ASOC_ID_ 2
464 #define _STATUS_CODE_ 2
465 #define _TIMESTAMP_ 8
466
467 #define AUTH_ODD_TO 0
468 #define AUTH_EVEN_TO 1
469
470 #define WLAN_ETHCONV_ENCAP 1
471 #define WLAN_ETHCONV_RFC1042 2
472 #define WLAN_ETHCONV_8021h 3
473
474 #define cap_ESS BIT(0)
475 #define cap_IBSS BIT(1)
476 #define cap_CFPollable BIT(2)
477 #define cap_CFRequest BIT(3)
478 #define cap_Privacy BIT(4)
479 #define cap_ShortPremble BIT(5)
480
481 /*-----------------------------------------------------------------------------
482 Below is the definition for 802.11i / 802.1x
483 ------------------------------------------------------------------------------*/
484 #define _IEEE8021X_MGT_ 1 /*WPA */
485 #define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */
486
487 /*-----------------------------------------------------------------------------
488 Below is the definition for WMM
489 ------------------------------------------------------------------------------*/
490 #define _WMM_IE_Length_ 7 /* for WMM STA */
491 #define _WMM_Para_Element_Length_ 24
492
493
494 /*-----------------------------------------------------------------------------
495 Below is the definition for 802.11n
496 ------------------------------------------------------------------------------*/
497
498 /* block-ack parameters */
499 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
500 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
501 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
502 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
503 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
504
505 #define SetOrderBit(pbuf) ({ \
506 *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
507 })
508
509 #define GetOrderBit(pbuf) (((*(unsigned short *)(pbuf)) & \
510 le16_to_cpu(_ORDER_)) != 0)
511
512
513 /**
514 * struct ieee80211_bar - HT Block Ack Request
515 *
516 * This structure refers to "HT BlockAckReq" as
517 * described in 802.11n draft section 7.2.1.7.1
518 */
519 struct ieee80211_bar {
520 unsigned short frame_control;
521 unsigned short duration;
522 unsigned char ra[6];
523 unsigned char ta[6];
524 unsigned short control;
525 unsigned short start_seq_num;
526 } __packed;
527
528 /* 802.11 BAR control masks */
529 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
530 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
531
532
533 /**
534 * struct ieee80211_ht_cap - HT capabilities
535 *
536 * This structure refers to "HT capabilities element" as
537 * described in 802.11n draft section 7.3.2.52
538 */
539
540 struct ieee80211_ht_cap {
541 unsigned short cap_info;
542 unsigned char ampdu_params_info;
543 unsigned char supp_mcs_set[16];
544 unsigned short extended_ht_cap_info;
545 unsigned int tx_BF_cap_info;
546 unsigned char antenna_selection_info;
547 } __packed;
548
549 /**
550 * struct ieee80211_ht_cap - HT additional information
551 *
552 * This structure refers to "HT information element" as
553 * described in 802.11n draft section 7.3.2.53
554 */
555 struct ieee80211_ht_addt_info {
556 unsigned char control_chan;
557 unsigned char ht_param;
558 unsigned short operation_mode;
559 unsigned short stbc_param;
560 unsigned char basic_set[16];
561 } __packed;
562
563 /* 802.11n HT capabilities masks */
564 #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
565 #define IEEE80211_HT_CAP_SM_PS 0x000C
566 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
567 #define IEEE80211_HT_CAP_SGI_20 0x0020
568 #define IEEE80211_HT_CAP_SGI_40 0x0040
569 #define IEEE80211_HT_CAP_TX_STBC 0x0080
570 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
571 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
572 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
573 /* 802.11n HT capability AMPDU settings */
574 #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
575 #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
576 /* 802.11n HT capability MSC set */
577 #define IEEE80211_SUPP_MCS_SET_UEQM 4
578 #define IEEE80211_HT_CAP_MAX_STREAMS 4
579 #define IEEE80211_SUPP_MCS_SET_LEN 10
580 /* maximum streams the spec allows */
581 #define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01
582 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02
583 #define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C
584 #define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
585 /* 802.11n HT IE masks */
586 #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
587 #define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
588 #define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
589 #define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
590 #define IEEE80211_HT_IE_CHA_WIDTH 0x04
591 #define IEEE80211_HT_IE_HT_PROTECTION 0x0003
592 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
593 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
594
595 /* block-ack parameters */
596 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
597 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
598 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
599 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
600 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
601
602 /*
603 * A-PMDU buffer sizes
604 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
605 */
606 #define IEEE80211_MIN_AMPDU_BUF 0x8
607 #define IEEE80211_MAX_AMPDU_BUF 0x40
608
609
610 /* Spatial Multiplexing Power Save Modes */
611 #define WLAN_HT_CAP_SM_PS_STATIC 0
612 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
613 #define WLAN_HT_CAP_SM_PS_INVALID 2
614 #define WLAN_HT_CAP_SM_PS_DISABLED 3
615
616 #endif /* _WIFI_H_ */
617
618