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ipsec: update MAX_AH_AUTH_LEN to support sha512
[deliverable/linux.git] / drivers / staging / rtl8712 / wifi.h
1 #ifndef _WIFI_H_
2 #define _WIFI_H_
3
4 #include "rtl871x_byteorder.h"
5
6 #ifdef BIT
7 #undef BIT
8 #endif
9 #define BIT(x) (1 << (x))
10
11 #define WLAN_ETHHDR_LEN 14
12 #define WLAN_ETHADDR_LEN 6
13 #define WLAN_IEEE_OUI_LEN 3
14 #define WLAN_ADDR_LEN 6
15 #define WLAN_CRC_LEN 4
16 #define WLAN_BSSID_LEN 6
17 #define WLAN_BSS_TS_LEN 8
18 #define WLAN_HDR_A3_LEN 24
19 #define WLAN_HDR_A4_LEN 30
20 #define WLAN_HDR_A3_QOS_LEN 26
21 #define WLAN_HDR_A4_QOS_LEN 32
22 #define WLAN_SSID_MAXLEN 32
23 #define WLAN_DATA_MAXLEN 2312
24
25 #define WLAN_A3_PN_OFFSET 24
26 #define WLAN_A4_PN_OFFSET 30
27
28 #define WLAN_MIN_ETHFRM_LEN 60
29 #define WLAN_MAX_ETHFRM_LEN 1514
30 #define WLAN_ETHHDR_LEN 14
31
32 #define P80211CAPTURE_VERSION 0x80211001
33
34 enum WIFI_FRAME_TYPE {
35 WIFI_MGT_TYPE = (0),
36 WIFI_CTRL_TYPE = (BIT(2)),
37 WIFI_DATA_TYPE = (BIT(3)),
38 WIFI_QOS_DATA_TYPE = (BIT(7)|BIT(3)), /*!< QoS Data */
39 };
40
41 enum WIFI_FRAME_SUBTYPE {
42
43 /* below is for mgt frame */
44 WIFI_ASSOCREQ = (0 | WIFI_MGT_TYPE),
45 WIFI_ASSOCRSP = (BIT(4) | WIFI_MGT_TYPE),
46 WIFI_REASSOCREQ = (BIT(5) | WIFI_MGT_TYPE),
47 WIFI_REASSOCRSP = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
48 WIFI_PROBEREQ = (BIT(6) | WIFI_MGT_TYPE),
49 WIFI_PROBERSP = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
50 WIFI_BEACON = (BIT(7) | WIFI_MGT_TYPE),
51 WIFI_ATIM = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
52 WIFI_DISASSOC = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
53 WIFI_AUTH = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
54 WIFI_DEAUTH = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
55 WIFI_ACTION = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
56
57 /* below is for control frame */
58 WIFI_PSPOLL = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
59 WIFI_RTS = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
60 WIFI_CTS = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
61 WIFI_ACK = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
62 WIFI_CFEND = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
63 WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
64
65 /* below is for data frame */
66 WIFI_DATA = (0 | WIFI_DATA_TYPE),
67 WIFI_DATA_CFACK = (BIT(4) | WIFI_DATA_TYPE),
68 WIFI_DATA_CFPOLL = (BIT(5) | WIFI_DATA_TYPE),
69 WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
70 WIFI_DATA_NULL = (BIT(6) | WIFI_DATA_TYPE),
71 WIFI_CF_ACK = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
72 WIFI_CF_POLL = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
73 WIFI_CF_ACKPOLL = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
74 };
75
76 enum WIFI_REASON_CODE {
77 _RSON_RESERVED_ = 0,
78 _RSON_UNSPECIFIED_ = 1,
79 _RSON_AUTH_NO_LONGER_VALID_ = 2,
80 _RSON_DEAUTH_STA_LEAVING_ = 3,
81 _RSON_INACTIVITY_ = 4,
82 _RSON_UNABLE_HANDLE_ = 5,
83 _RSON_CLS2_ = 6,
84 _RSON_CLS3_ = 7,
85 _RSON_DISAOC_STA_LEAVING_ = 8,
86 _RSON_ASOC_NOT_AUTH_ = 9,
87
88 /* WPA reason */
89 _RSON_INVALID_IE_ = 13,
90 _RSON_MIC_FAILURE_ = 14,
91 _RSON_4WAY_HNDSHK_TIMEOUT_ = 15,
92 _RSON_GROUP_KEY_UPDATE_TIMEOUT_ = 16,
93 _RSON_DIFF_IE_ = 17,
94 _RSON_MLTCST_CIPHER_NOT_VALID_ = 18,
95 _RSON_UNICST_CIPHER_NOT_VALID_ = 19,
96 _RSON_AKMP_NOT_VALID_ = 20,
97 _RSON_UNSUPPORT_RSNE_VER_ = 21,
98 _RSON_INVALID_RSNE_CAP_ = 22,
99 _RSON_IEEE_802DOT1X_AUTH_FAIL_ = 23,
100
101 /* below are Realtek definitions */
102 _RSON_PMK_NOT_AVAILABLE_ = 24,
103 };
104
105 enum WIFI_STATUS_CODE {
106 _STATS_SUCCESSFUL_ = 0,
107 _STATS_FAILURE_ = 1,
108 _STATS_CAP_FAIL_ = 10,
109 _STATS_NO_ASOC_ = 11,
110 _STATS_OTHER_ = 12,
111 _STATS_NO_SUPP_ALG_ = 13,
112 _STATS_OUT_OF_AUTH_SEQ_ = 14,
113 _STATS_CHALLENGE_FAIL_ = 15,
114 _STATS_AUTH_TIMEOUT_ = 16,
115 _STATS_UNABLE_HANDLE_STA_ = 17,
116 _STATS_RATE_FAIL_ = 18,
117 };
118
119 enum WIFI_REG_DOMAIN {
120 DOMAIN_FCC = 1,
121 DOMAIN_IC = 2,
122 DOMAIN_ETSI = 3,
123 DOMAIN_SPAIN = 4,
124 DOMAIN_FRANCE = 5,
125 DOMAIN_MKK = 6,
126 DOMAIN_ISRAEL = 7,
127 DOMAIN_MKK1 = 8,
128 DOMAIN_MKK2 = 9,
129 DOMAIN_MKK3 = 10,
130 DOMAIN_MAX
131 };
132
133 #define _TO_DS_ BIT(8)
134 #define _FROM_DS_ BIT(9)
135 #define _MORE_FRAG_ BIT(10)
136 #define _RETRY_ BIT(11)
137 #define _PWRMGT_ BIT(12)
138 #define _MORE_DATA_ BIT(13)
139 #define _PRIVACY_ BIT(14)
140 #define _ORDER_ BIT(15)
141
142 #define SetToDs(pbuf) \
143 do { \
144 *(unsigned short *)(pbuf) |= cpu_to_le16(_TO_DS_); \
145 } while (0)
146
147 #define GetToDs(pbuf) (((*(unsigned short *)(pbuf)) & \
148 le16_to_cpu(_TO_DS_)) != 0)
149
150 #define ClearToDs(pbuf) \
151 do { \
152 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_TO_DS_)); \
153 } while (0)
154
155 #define SetFrDs(pbuf) \
156 do { \
157 *(unsigned short *)(pbuf) |= cpu_to_le16(_FROM_DS_); \
158 } while (0)
159
160 #define GetFrDs(pbuf) (((*(unsigned short *)(pbuf)) & \
161 le16_to_cpu(_FROM_DS_)) != 0)
162
163 #define ClearFrDs(pbuf) \
164 do { \
165 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_FROM_DS_)); \
166 } while (0)
167
168 #define get_tofr_ds(pframe) ((GetToDs(pframe) << 1) | GetFrDs(pframe))
169
170
171 #define SetMFrag(pbuf) \
172 do { \
173 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_FRAG_); \
174 } while (0)
175
176 #define GetMFrag(pbuf) (((*(unsigned short *)(pbuf)) & \
177 le16_to_cpu(_MORE_FRAG_)) != 0)
178
179 #define ClearMFrag(pbuf) \
180 do { \
181 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_FRAG_)); \
182 } while (0)
183
184 #define SetRetry(pbuf) \
185 do { \
186 *(unsigned short *)(pbuf) |= cpu_to_le16(_RETRY_); \
187 } while (0)
188
189 #define GetRetry(pbuf) (((*(unsigned short *)(pbuf)) & \
190 le16_to_cpu(_RETRY_)) != 0)
191
192 #define ClearRetry(pbuf) \
193 do { \
194 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_RETRY_)); \
195 } while (0)
196
197 #define SetPwrMgt(pbuf) \
198 do { \
199 *(unsigned short *)(pbuf) |= cpu_to_le16(_PWRMGT_); \
200 } while (0)
201
202 #define GetPwrMgt(pbuf) (((*(unsigned short *)(pbuf)) & \
203 le16_to_cpu(_PWRMGT_)) != 0)
204
205 #define ClearPwrMgt(pbuf) \
206 do { \
207 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PWRMGT_)); \
208 } while (0)
209
210 #define SetMData(pbuf) \
211 do { \
212 *(unsigned short *)(pbuf) |= cpu_to_le16(_MORE_DATA_); \
213 } while (0)
214
215 #define GetMData(pbuf) (((*(unsigned short *)(pbuf)) & \
216 le16_to_cpu(_MORE_DATA_)) != 0)
217
218 #define ClearMData(pbuf) \
219 do { \
220 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_MORE_DATA_)); \
221 } while (0)
222
223 #define SetPrivacy(pbuf) \
224 do { \
225 *(unsigned short *)(pbuf) |= cpu_to_le16(_PRIVACY_); \
226 } while (0)
227
228 #define GetPrivacy(pbuf) (((*(unsigned short *)(pbuf)) & \
229 le16_to_cpu(_PRIVACY_)) != 0)
230
231 #define ClearPrivacy(pbuf) \
232 do { \
233 *(unsigned short *)(pbuf) &= (~cpu_to_le16(_PRIVACY_)); \
234 } while (0)
235
236
237 #define GetOrder(pbuf) (((*(unsigned short *)(pbuf)) & \
238 le16_to_cpu(_ORDER_)) != 0)
239
240 #define GetFrameType(pbuf) (le16_to_cpu(*(unsigned short *)(pbuf)) & \
241 (BIT(3) | BIT(2)))
242
243 #define SetFrameType(pbuf, type) \
244 do { \
245 *(unsigned short *)(pbuf) &= __constant_cpu_to_le16(~(BIT(3) | \
246 BIT(2))); \
247 *(unsigned short *)(pbuf) |= __constant_cpu_to_le16(type); \
248 } while (0)
249
250 #define GetFrameSubType(pbuf) (cpu_to_le16(*(unsigned short *)(pbuf)) & \
251 (BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
252 BIT(2)))
253
254 #define SetFrameSubType(pbuf, type) \
255 do { \
256 *(unsigned short *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
257 BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
258 *(unsigned short *)(pbuf) |= cpu_to_le16(type); \
259 } while (0)
260
261 #define GetSequence(pbuf) (cpu_to_le16(*(unsigned short *)\
262 ((addr_t)(pbuf) + 22)) >> 4)
263
264 #define GetFragNum(pbuf) (cpu_to_le16(*(unsigned short *)((addr_t)\
265 (pbuf) + 22)) & 0x0f)
266
267 #define GetTupleCache(pbuf) (cpu_to_le16(*(unsigned short *)\
268 ((addr_t)(pbuf) + 22)))
269
270 #define SetFragNum(pbuf, num) \
271 do { \
272 *(unsigned short *)((addr_t)(pbuf) + 22) = \
273 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
274 le16_to_cpu(~(0x000f))) | \
275 cpu_to_le16(0x0f & (num)); \
276 } while (0)
277
278 #define SetSeqNum(pbuf, num) \
279 do { \
280 *(unsigned short *)((addr_t)(pbuf) + 22) = \
281 ((*(unsigned short *)((addr_t)(pbuf) + 22)) & \
282 le16_to_cpu((unsigned short)0x000f)) | \
283 le16_to_cpu((unsigned short)(0xfff0 & (num << 4))); \
284 } while (0)
285
286 #define SetDuration(pbuf, dur) \
287 do { \
288 *(unsigned short *)((addr_t)(pbuf) + 2) |= \
289 cpu_to_le16(0xffff & (dur)); \
290 } while (0)
291
292 #define SetPriority(pbuf, tid) \
293 do { \
294 *(unsigned short *)(pbuf) |= cpu_to_le16(tid & 0xf); \
295 } while (0)
296
297 #define GetPriority(pbuf) ((le16_to_cpu(*(unsigned short *)(pbuf))) & 0xf)
298
299 #define SetAckpolicy(pbuf, ack) \
300 do { \
301 *(unsigned short *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
302 } while (0)
303
304 #define GetAckpolicy(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 5) & 0x3)
305
306 #define GetAMsdu(pbuf) (((le16_to_cpu(*(unsigned short *)pbuf)) >> 7) & 0x1)
307
308 #define SetAMsdu(pbuf, amsdu) \
309 do { \
310 *(unsigned short *)(pbuf) |= cpu_to_le16((amsdu & 1) << 7); \
311 } while (0)
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
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
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
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
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 _TIM_IE_ 5
441 #define _IBSS_PARA_IE_ 6
442 #define _CHLGETXT_IE_ 16
443 #define _RSN_IE_2_ 48`
444 #define _SSN_IE_1_ 221
445 #define _ERPINFO_IE_ 42
446 #define _EXT_SUPPORTEDRATES_IE_ 50
447
448 #define _HT_CAPABILITY_IE_ 45
449 #define _HT_EXTRA_INFO_IE_ 61
450 #define _HT_ADD_INFO_IE_ 61 /* _HT_EXTRA_INFO_IE_ */
451
452 #define _VENDOR_SPECIFIC_IE_ 221
453
454 #define _RESERVED47_ 47
455
456
457 /* ---------------------------------------------------------------------------
458 Below is the fixed elements...
459 -----------------------------------------------------------------------------*/
460 #define _AUTH_ALGM_NUM_ 2
461 #define _AUTH_SEQ_NUM_ 2
462 #define _BEACON_ITERVAL_ 2
463 #define _CAPABILITY_ 2
464 #define _CURRENT_APADDR_ 6
465 #define _LISTEN_INTERVAL_ 2
466 #define _RSON_CODE_ 2
467 #define _ASOC_ID_ 2
468 #define _STATUS_CODE_ 2
469 #define _TIMESTAMP_ 8
470
471 #define AUTH_ODD_TO 0
472 #define AUTH_EVEN_TO 1
473
474 #define WLAN_ETHCONV_ENCAP 1
475 #define WLAN_ETHCONV_RFC1042 2
476 #define WLAN_ETHCONV_8021h 3
477
478 #define cap_ESS BIT(0)
479 #define cap_IBSS BIT(1)
480 #define cap_CFPollable BIT(2)
481 #define cap_CFRequest BIT(3)
482 #define cap_Privacy BIT(4)
483 #define cap_ShortPremble BIT(5)
484
485 /*-----------------------------------------------------------------------------
486 Below is the definition for 802.11i / 802.1x
487 ------------------------------------------------------------------------------*/
488 #define _IEEE8021X_MGT_ 1 /*WPA */
489 #define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */
490
491 /*-----------------------------------------------------------------------------
492 Below is the definition for WMM
493 ------------------------------------------------------------------------------*/
494 #define _WMM_IE_Length_ 7 /* for WMM STA */
495 #define _WMM_Para_Element_Length_ 24
496
497
498 /*-----------------------------------------------------------------------------
499 Below is the definition for 802.11n
500 ------------------------------------------------------------------------------*/
501
502 /* block-ack parameters */
503 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
504 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
505 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
506 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
507 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
508
509 #define SetOrderBit(pbuf) \
510 do { \
511 *(unsigned short *)(pbuf) |= cpu_to_le16(_ORDER_); \
512 } while (0)
513
514 #define GetOrderBit(pbuf) (((*(unsigned short *)(pbuf)) & \
515 le16_to_cpu(_ORDER_)) != 0)
516
517
518 /**
519 * struct ieee80211_bar - HT Block Ack Request
520 *
521 * This structure refers to "HT BlockAckReq" as
522 * described in 802.11n draft section 7.2.1.7.1
523 */
524 struct ieee80211_bar {
525 unsigned short frame_control;
526 unsigned short duration;
527 unsigned char ra[6];
528 unsigned char ta[6];
529 unsigned short control;
530 unsigned short start_seq_num;
531 } __attribute__((packed));
532
533 /* 802.11 BAR control masks */
534 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
535 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
536
537
538 /**
539 * struct ieee80211_ht_cap - HT capabilities
540 *
541 * This structure refers to "HT capabilities element" as
542 * described in 802.11n draft section 7.3.2.52
543 */
544
545 struct ieee80211_ht_cap {
546 unsigned short cap_info;
547 unsigned char ampdu_params_info;
548 unsigned char supp_mcs_set[16];
549 unsigned short extended_ht_cap_info;
550 unsigned int tx_BF_cap_info;
551 unsigned char antenna_selection_info;
552 } __attribute__ ((packed));
553
554 /**
555 * struct ieee80211_ht_cap - HT additional information
556 *
557 * This structure refers to "HT information element" as
558 * described in 802.11n draft section 7.3.2.53
559 */
560 struct ieee80211_ht_addt_info {
561 unsigned char control_chan;
562 unsigned char ht_param;
563 unsigned short operation_mode;
564 unsigned short stbc_param;
565 unsigned char basic_set[16];
566 } __attribute__ ((packed));
567
568 /* 802.11n HT capabilities masks */
569 #define IEEE80211_HT_CAP_SUP_WIDTH 0x0002
570 #define IEEE80211_HT_CAP_SM_PS 0x000C
571 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
572 #define IEEE80211_HT_CAP_SGI_20 0x0020
573 #define IEEE80211_HT_CAP_SGI_40 0x0040
574 #define IEEE80211_HT_CAP_TX_STBC 0x0080
575 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
576 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
577 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
578 /* 802.11n HT capability AMPDU settings */
579 #define IEEE80211_HT_CAP_AMPDU_FACTOR 0x03
580 #define IEEE80211_HT_CAP_AMPDU_DENSITY 0x1C
581 /* 802.11n HT capability MSC set */
582 #define IEEE80211_SUPP_MCS_SET_UEQM 4
583 #define IEEE80211_HT_CAP_MAX_STREAMS 4
584 #define IEEE80211_SUPP_MCS_SET_LEN 10
585 /* maximum streams the spec allows */
586 #define IEEE80211_HT_CAP_MCS_TX_DEFINED 0x01
587 #define IEEE80211_HT_CAP_MCS_TX_RX_DIFF 0x02
588 #define IEEE80211_HT_CAP_MCS_TX_STREAMS 0x0C
589 #define IEEE80211_HT_CAP_MCS_TX_UEQM 0x10
590 /* 802.11n HT IE masks */
591 #define IEEE80211_HT_IE_CHA_SEC_OFFSET 0x03
592 #define IEEE80211_HT_IE_CHA_SEC_NONE 0x00
593 #define IEEE80211_HT_IE_CHA_SEC_ABOVE 0x01
594 #define IEEE80211_HT_IE_CHA_SEC_BELOW 0x03
595 #define IEEE80211_HT_IE_CHA_WIDTH 0x04
596 #define IEEE80211_HT_IE_HT_PROTECTION 0x0003
597 #define IEEE80211_HT_IE_NON_GF_STA_PRSNT 0x0004
598 #define IEEE80211_HT_IE_NON_HT_STA_PRSNT 0x0010
599
600 /* block-ack parameters */
601 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
602 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
603 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
604 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
605 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
606
607 /*
608 * A-PMDU buffer sizes
609 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
610 */
611 #define IEEE80211_MIN_AMPDU_BUF 0x8
612 #define IEEE80211_MAX_AMPDU_BUF 0x40
613
614
615 /* Spatial Multiplexing Power Save Modes */
616 #define WLAN_HT_CAP_SM_PS_STATIC 0
617 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
618 #define WLAN_HT_CAP_SM_PS_INVALID 2
619 #define WLAN_HT_CAP_SM_PS_DISABLED 3
620
621 #endif /* _WIFI_H_ */
622
Linux kernel - Deliverables
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