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Merge tag 'for-linus-20130909' of git://git.infradead.org/linux-mtd
[deliverable/linux.git] / include / linux / ieee80211.h
1 /*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <asm/byteorder.h>
21
22 /*
23 * DS bit usage
24 *
25 * TA = transmitter address
26 * RA = receiver address
27 * DA = destination address
28 * SA = source address
29 *
30 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
31 * -----------------------------------------------------------------
32 * 0 0 DA SA BSSID - IBSS/DLS
33 * 0 1 DA BSSID SA - AP -> STA
34 * 1 0 BSSID SA DA - AP <- STA
35 * 1 1 RA TA DA SA unspecified (WDS)
36 */
37
38 #define FCS_LEN 4
39
40 #define IEEE80211_FCTL_VERS 0x0003
41 #define IEEE80211_FCTL_FTYPE 0x000c
42 #define IEEE80211_FCTL_STYPE 0x00f0
43 #define IEEE80211_FCTL_TODS 0x0100
44 #define IEEE80211_FCTL_FROMDS 0x0200
45 #define IEEE80211_FCTL_MOREFRAGS 0x0400
46 #define IEEE80211_FCTL_RETRY 0x0800
47 #define IEEE80211_FCTL_PM 0x1000
48 #define IEEE80211_FCTL_MOREDATA 0x2000
49 #define IEEE80211_FCTL_PROTECTED 0x4000
50 #define IEEE80211_FCTL_ORDER 0x8000
51 #define IEEE80211_FCTL_CTL_EXT 0x0f00
52
53 #define IEEE80211_SCTL_FRAG 0x000F
54 #define IEEE80211_SCTL_SEQ 0xFFF0
55
56 #define IEEE80211_FTYPE_MGMT 0x0000
57 #define IEEE80211_FTYPE_CTL 0x0004
58 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_FTYPE_EXT 0x000c
60
61 /* management */
62 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
63 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
64 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
65 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
66 #define IEEE80211_STYPE_PROBE_REQ 0x0040
67 #define IEEE80211_STYPE_PROBE_RESP 0x0050
68 #define IEEE80211_STYPE_BEACON 0x0080
69 #define IEEE80211_STYPE_ATIM 0x0090
70 #define IEEE80211_STYPE_DISASSOC 0x00A0
71 #define IEEE80211_STYPE_AUTH 0x00B0
72 #define IEEE80211_STYPE_DEAUTH 0x00C0
73 #define IEEE80211_STYPE_ACTION 0x00D0
74
75 /* control */
76 #define IEEE80211_STYPE_CTL_EXT 0x0060
77 #define IEEE80211_STYPE_BACK_REQ 0x0080
78 #define IEEE80211_STYPE_BACK 0x0090
79 #define IEEE80211_STYPE_PSPOLL 0x00A0
80 #define IEEE80211_STYPE_RTS 0x00B0
81 #define IEEE80211_STYPE_CTS 0x00C0
82 #define IEEE80211_STYPE_ACK 0x00D0
83 #define IEEE80211_STYPE_CFEND 0x00E0
84 #define IEEE80211_STYPE_CFENDACK 0x00F0
85
86 /* data */
87 #define IEEE80211_STYPE_DATA 0x0000
88 #define IEEE80211_STYPE_DATA_CFACK 0x0010
89 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
90 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
91 #define IEEE80211_STYPE_NULLFUNC 0x0040
92 #define IEEE80211_STYPE_CFACK 0x0050
93 #define IEEE80211_STYPE_CFPOLL 0x0060
94 #define IEEE80211_STYPE_CFACKPOLL 0x0070
95 #define IEEE80211_STYPE_QOS_DATA 0x0080
96 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
97 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
98 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
99 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
100 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
101 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
102 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
103
104 /* extension, added by 802.11ad */
105 #define IEEE80211_STYPE_DMG_BEACON 0x0000
106
107 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
108 #define IEEE80211_CTL_EXT_POLL 0x2000
109 #define IEEE80211_CTL_EXT_SPR 0x3000
110 #define IEEE80211_CTL_EXT_GRANT 0x4000
111 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
112 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
113 #define IEEE80211_CTL_EXT_SSW 0x8000
114 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
115 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
116
117
118 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
119 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
120 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
121
122 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
123 {
124 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
125 }
126
127 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
128 {
129 return (sn1 + sn2) & IEEE80211_SN_MASK;
130 }
131
132 static inline u16 ieee80211_sn_inc(u16 sn)
133 {
134 return ieee80211_sn_add(sn, 1);
135 }
136
137 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
138 {
139 return (sn1 - sn2) & IEEE80211_SN_MASK;
140 }
141
142 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
143 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
144
145 /* miscellaneous IEEE 802.11 constants */
146 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
147 #define IEEE80211_MAX_RTS_THRESHOLD 2353
148 #define IEEE80211_MAX_AID 2007
149 #define IEEE80211_MAX_TIM_LEN 251
150 #define IEEE80211_MAX_MESH_PEERINGS 63
151 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
152 6.2.1.1.2.
153
154 802.11e clarifies the figure in section 7.1.2. The frame body is
155 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
156 #define IEEE80211_MAX_DATA_LEN 2304
157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
158 #define IEEE80211_MAX_FRAME_LEN 2352
159
160 #define IEEE80211_MAX_SSID_LEN 32
161
162 #define IEEE80211_MAX_MESH_ID_LEN 32
163
164 #define IEEE80211_NUM_TIDS 16
165
166 #define IEEE80211_QOS_CTL_LEN 2
167 /* 1d tag mask */
168 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
169 /* TID mask */
170 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
171 /* EOSP */
172 #define IEEE80211_QOS_CTL_EOSP 0x0010
173 /* ACK policy */
174 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
175 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
176 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
177 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
178 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
179 /* A-MSDU 802.11n */
180 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
181 /* Mesh Control 802.11s */
182 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
183
184 /* Mesh Power Save Level */
185 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
186 /* Mesh Receiver Service Period Initiated */
187 #define IEEE80211_QOS_CTL_RSPI 0x0400
188
189 /* U-APSD queue for WMM IEs sent by AP */
190 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
191 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
192
193 /* U-APSD queues for WMM IEs sent by STA */
194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
195 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
196 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
197 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
198 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
199
200 /* U-APSD max SP length for WMM IEs sent by STA */
201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
203 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
204 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
205 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
206 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
207
208 #define IEEE80211_HT_CTL_LEN 4
209
210 struct ieee80211_hdr {
211 __le16 frame_control;
212 __le16 duration_id;
213 u8 addr1[ETH_ALEN];
214 u8 addr2[ETH_ALEN];
215 u8 addr3[ETH_ALEN];
216 __le16 seq_ctrl;
217 u8 addr4[ETH_ALEN];
218 } __packed __aligned(2);
219
220 struct ieee80211_hdr_3addr {
221 __le16 frame_control;
222 __le16 duration_id;
223 u8 addr1[ETH_ALEN];
224 u8 addr2[ETH_ALEN];
225 u8 addr3[ETH_ALEN];
226 __le16 seq_ctrl;
227 } __packed __aligned(2);
228
229 struct ieee80211_qos_hdr {
230 __le16 frame_control;
231 __le16 duration_id;
232 u8 addr1[ETH_ALEN];
233 u8 addr2[ETH_ALEN];
234 u8 addr3[ETH_ALEN];
235 __le16 seq_ctrl;
236 __le16 qos_ctrl;
237 } __packed __aligned(2);
238
239 /**
240 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
241 * @fc: frame control bytes in little-endian byteorder
242 */
243 static inline int ieee80211_has_tods(__le16 fc)
244 {
245 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
246 }
247
248 /**
249 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
250 * @fc: frame control bytes in little-endian byteorder
251 */
252 static inline int ieee80211_has_fromds(__le16 fc)
253 {
254 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
255 }
256
257 /**
258 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
259 * @fc: frame control bytes in little-endian byteorder
260 */
261 static inline int ieee80211_has_a4(__le16 fc)
262 {
263 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
264 return (fc & tmp) == tmp;
265 }
266
267 /**
268 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
269 * @fc: frame control bytes in little-endian byteorder
270 */
271 static inline int ieee80211_has_morefrags(__le16 fc)
272 {
273 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
274 }
275
276 /**
277 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
278 * @fc: frame control bytes in little-endian byteorder
279 */
280 static inline int ieee80211_has_retry(__le16 fc)
281 {
282 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
283 }
284
285 /**
286 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
287 * @fc: frame control bytes in little-endian byteorder
288 */
289 static inline int ieee80211_has_pm(__le16 fc)
290 {
291 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
292 }
293
294 /**
295 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
296 * @fc: frame control bytes in little-endian byteorder
297 */
298 static inline int ieee80211_has_moredata(__le16 fc)
299 {
300 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
301 }
302
303 /**
304 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
305 * @fc: frame control bytes in little-endian byteorder
306 */
307 static inline int ieee80211_has_protected(__le16 fc)
308 {
309 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
310 }
311
312 /**
313 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
314 * @fc: frame control bytes in little-endian byteorder
315 */
316 static inline int ieee80211_has_order(__le16 fc)
317 {
318 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
319 }
320
321 /**
322 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
323 * @fc: frame control bytes in little-endian byteorder
324 */
325 static inline int ieee80211_is_mgmt(__le16 fc)
326 {
327 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
328 cpu_to_le16(IEEE80211_FTYPE_MGMT);
329 }
330
331 /**
332 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
333 * @fc: frame control bytes in little-endian byteorder
334 */
335 static inline int ieee80211_is_ctl(__le16 fc)
336 {
337 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
338 cpu_to_le16(IEEE80211_FTYPE_CTL);
339 }
340
341 /**
342 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
343 * @fc: frame control bytes in little-endian byteorder
344 */
345 static inline int ieee80211_is_data(__le16 fc)
346 {
347 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
348 cpu_to_le16(IEEE80211_FTYPE_DATA);
349 }
350
351 /**
352 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
353 * @fc: frame control bytes in little-endian byteorder
354 */
355 static inline int ieee80211_is_data_qos(__le16 fc)
356 {
357 /*
358 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
359 * to check the one bit
360 */
361 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
362 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
363 }
364
365 /**
366 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
367 * @fc: frame control bytes in little-endian byteorder
368 */
369 static inline int ieee80211_is_data_present(__le16 fc)
370 {
371 /*
372 * mask with 0x40 and test that that bit is clear to only return true
373 * for the data-containing substypes.
374 */
375 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
376 cpu_to_le16(IEEE80211_FTYPE_DATA);
377 }
378
379 /**
380 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
381 * @fc: frame control bytes in little-endian byteorder
382 */
383 static inline int ieee80211_is_assoc_req(__le16 fc)
384 {
385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
386 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
387 }
388
389 /**
390 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
391 * @fc: frame control bytes in little-endian byteorder
392 */
393 static inline int ieee80211_is_assoc_resp(__le16 fc)
394 {
395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
397 }
398
399 /**
400 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
401 * @fc: frame control bytes in little-endian byteorder
402 */
403 static inline int ieee80211_is_reassoc_req(__le16 fc)
404 {
405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
407 }
408
409 /**
410 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
411 * @fc: frame control bytes in little-endian byteorder
412 */
413 static inline int ieee80211_is_reassoc_resp(__le16 fc)
414 {
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
417 }
418
419 /**
420 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
421 * @fc: frame control bytes in little-endian byteorder
422 */
423 static inline int ieee80211_is_probe_req(__le16 fc)
424 {
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
427 }
428
429 /**
430 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
431 * @fc: frame control bytes in little-endian byteorder
432 */
433 static inline int ieee80211_is_probe_resp(__le16 fc)
434 {
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
437 }
438
439 /**
440 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
441 * @fc: frame control bytes in little-endian byteorder
442 */
443 static inline int ieee80211_is_beacon(__le16 fc)
444 {
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
447 }
448
449 /**
450 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
451 * @fc: frame control bytes in little-endian byteorder
452 */
453 static inline int ieee80211_is_atim(__le16 fc)
454 {
455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
456 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
457 }
458
459 /**
460 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
461 * @fc: frame control bytes in little-endian byteorder
462 */
463 static inline int ieee80211_is_disassoc(__le16 fc)
464 {
465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
466 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
467 }
468
469 /**
470 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
471 * @fc: frame control bytes in little-endian byteorder
472 */
473 static inline int ieee80211_is_auth(__le16 fc)
474 {
475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
476 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
477 }
478
479 /**
480 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
481 * @fc: frame control bytes in little-endian byteorder
482 */
483 static inline int ieee80211_is_deauth(__le16 fc)
484 {
485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
486 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
487 }
488
489 /**
490 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
491 * @fc: frame control bytes in little-endian byteorder
492 */
493 static inline int ieee80211_is_action(__le16 fc)
494 {
495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
496 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
497 }
498
499 /**
500 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
501 * @fc: frame control bytes in little-endian byteorder
502 */
503 static inline int ieee80211_is_back_req(__le16 fc)
504 {
505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
506 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
507 }
508
509 /**
510 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
511 * @fc: frame control bytes in little-endian byteorder
512 */
513 static inline int ieee80211_is_back(__le16 fc)
514 {
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
516 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
517 }
518
519 /**
520 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
521 * @fc: frame control bytes in little-endian byteorder
522 */
523 static inline int ieee80211_is_pspoll(__le16 fc)
524 {
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
527 }
528
529 /**
530 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
531 * @fc: frame control bytes in little-endian byteorder
532 */
533 static inline int ieee80211_is_rts(__le16 fc)
534 {
535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
536 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
537 }
538
539 /**
540 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
541 * @fc: frame control bytes in little-endian byteorder
542 */
543 static inline int ieee80211_is_cts(__le16 fc)
544 {
545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
546 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
547 }
548
549 /**
550 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
551 * @fc: frame control bytes in little-endian byteorder
552 */
553 static inline int ieee80211_is_ack(__le16 fc)
554 {
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
557 }
558
559 /**
560 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
561 * @fc: frame control bytes in little-endian byteorder
562 */
563 static inline int ieee80211_is_cfend(__le16 fc)
564 {
565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
566 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
567 }
568
569 /**
570 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
571 * @fc: frame control bytes in little-endian byteorder
572 */
573 static inline int ieee80211_is_cfendack(__le16 fc)
574 {
575 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
576 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
577 }
578
579 /**
580 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
581 * @fc: frame control bytes in little-endian byteorder
582 */
583 static inline int ieee80211_is_nullfunc(__le16 fc)
584 {
585 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
586 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
587 }
588
589 /**
590 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
591 * @fc: frame control bytes in little-endian byteorder
592 */
593 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
594 {
595 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
596 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
597 }
598
599 /**
600 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
601 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
602 */
603 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
604 {
605 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
606 }
607
608 struct ieee80211s_hdr {
609 u8 flags;
610 u8 ttl;
611 __le32 seqnum;
612 u8 eaddr1[ETH_ALEN];
613 u8 eaddr2[ETH_ALEN];
614 } __packed __aligned(2);
615
616 /* Mesh flags */
617 #define MESH_FLAGS_AE_A4 0x1
618 #define MESH_FLAGS_AE_A5_A6 0x2
619 #define MESH_FLAGS_AE 0x3
620 #define MESH_FLAGS_PS_DEEP 0x4
621
622 /**
623 * enum ieee80211_preq_flags - mesh PREQ element flags
624 *
625 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
626 */
627 enum ieee80211_preq_flags {
628 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
629 };
630
631 /**
632 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
633 *
634 * @IEEE80211_PREQ_TO_FLAG: target only subfield
635 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
636 */
637 enum ieee80211_preq_target_flags {
638 IEEE80211_PREQ_TO_FLAG = 1<<0,
639 IEEE80211_PREQ_USN_FLAG = 1<<2,
640 };
641
642 /**
643 * struct ieee80211_quiet_ie
644 *
645 * This structure refers to "Quiet information element"
646 */
647 struct ieee80211_quiet_ie {
648 u8 count;
649 u8 period;
650 __le16 duration;
651 __le16 offset;
652 } __packed;
653
654 /**
655 * struct ieee80211_msrment_ie
656 *
657 * This structure refers to "Measurement Request/Report information element"
658 */
659 struct ieee80211_msrment_ie {
660 u8 token;
661 u8 mode;
662 u8 type;
663 u8 request[0];
664 } __packed;
665
666 /**
667 * struct ieee80211_channel_sw_ie
668 *
669 * This structure refers to "Channel Switch Announcement information element"
670 */
671 struct ieee80211_channel_sw_ie {
672 u8 mode;
673 u8 new_ch_num;
674 u8 count;
675 } __packed;
676
677 /**
678 * struct ieee80211_ext_chansw_ie
679 *
680 * This structure represents the "Extended Channel Switch Announcement element"
681 */
682 struct ieee80211_ext_chansw_ie {
683 u8 mode;
684 u8 new_operating_class;
685 u8 new_ch_num;
686 u8 count;
687 } __packed;
688
689 /**
690 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
691 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
692 * values here
693 * This structure represents the "Secondary Channel Offset element"
694 */
695 struct ieee80211_sec_chan_offs_ie {
696 u8 sec_chan_offs;
697 } __packed;
698
699 /**
700 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
701 */
702 struct ieee80211_wide_bw_chansw_ie {
703 u8 new_channel_width;
704 u8 new_center_freq_seg0, new_center_freq_seg1;
705 } __packed;
706
707 /**
708 * struct ieee80211_tim
709 *
710 * This structure refers to "Traffic Indication Map information element"
711 */
712 struct ieee80211_tim_ie {
713 u8 dtim_count;
714 u8 dtim_period;
715 u8 bitmap_ctrl;
716 /* variable size: 1 - 251 bytes */
717 u8 virtual_map[1];
718 } __packed;
719
720 /**
721 * struct ieee80211_meshconf_ie
722 *
723 * This structure refers to "Mesh Configuration information element"
724 */
725 struct ieee80211_meshconf_ie {
726 u8 meshconf_psel;
727 u8 meshconf_pmetric;
728 u8 meshconf_congest;
729 u8 meshconf_synch;
730 u8 meshconf_auth;
731 u8 meshconf_form;
732 u8 meshconf_cap;
733 } __packed;
734
735 /**
736 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
737 *
738 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
739 * additional mesh peerings with other mesh STAs
740 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
741 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
742 * is ongoing
743 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
744 * neighbors in deep sleep mode
745 */
746 enum mesh_config_capab_flags {
747 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
748 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
749 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
750 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
751 };
752
753 /**
754 * struct ieee80211_rann_ie
755 *
756 * This structure refers to "Root Announcement information element"
757 */
758 struct ieee80211_rann_ie {
759 u8 rann_flags;
760 u8 rann_hopcount;
761 u8 rann_ttl;
762 u8 rann_addr[ETH_ALEN];
763 __le32 rann_seq;
764 __le32 rann_interval;
765 __le32 rann_metric;
766 } __packed;
767
768 enum ieee80211_rann_flags {
769 RANN_FLAG_IS_GATE = 1 << 0,
770 };
771
772 enum ieee80211_ht_chanwidth_values {
773 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
774 IEEE80211_HT_CHANWIDTH_ANY = 1,
775 };
776
777 /**
778 * enum ieee80211_opmode_bits - VHT operating mode field bits
779 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
780 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
781 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
782 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
783 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
784 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
785 * (the NSS value is the value of this field + 1)
786 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
787 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
788 * using a beamforming steering matrix
789 */
790 enum ieee80211_vht_opmode_bits {
791 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
792 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
793 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
794 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
795 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
796 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
797 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
798 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
799 };
800
801 #define WLAN_SA_QUERY_TR_ID_LEN 2
802
803 struct ieee80211_mgmt {
804 __le16 frame_control;
805 __le16 duration;
806 u8 da[ETH_ALEN];
807 u8 sa[ETH_ALEN];
808 u8 bssid[ETH_ALEN];
809 __le16 seq_ctrl;
810 union {
811 struct {
812 __le16 auth_alg;
813 __le16 auth_transaction;
814 __le16 status_code;
815 /* possibly followed by Challenge text */
816 u8 variable[0];
817 } __packed auth;
818 struct {
819 __le16 reason_code;
820 } __packed deauth;
821 struct {
822 __le16 capab_info;
823 __le16 listen_interval;
824 /* followed by SSID and Supported rates */
825 u8 variable[0];
826 } __packed assoc_req;
827 struct {
828 __le16 capab_info;
829 __le16 status_code;
830 __le16 aid;
831 /* followed by Supported rates */
832 u8 variable[0];
833 } __packed assoc_resp, reassoc_resp;
834 struct {
835 __le16 capab_info;
836 __le16 listen_interval;
837 u8 current_ap[ETH_ALEN];
838 /* followed by SSID and Supported rates */
839 u8 variable[0];
840 } __packed reassoc_req;
841 struct {
842 __le16 reason_code;
843 } __packed disassoc;
844 struct {
845 __le64 timestamp;
846 __le16 beacon_int;
847 __le16 capab_info;
848 /* followed by some of SSID, Supported rates,
849 * FH Params, DS Params, CF Params, IBSS Params, TIM */
850 u8 variable[0];
851 } __packed beacon;
852 struct {
853 /* only variable items: SSID, Supported rates */
854 u8 variable[0];
855 } __packed probe_req;
856 struct {
857 __le64 timestamp;
858 __le16 beacon_int;
859 __le16 capab_info;
860 /* followed by some of SSID, Supported rates,
861 * FH Params, DS Params, CF Params, IBSS Params */
862 u8 variable[0];
863 } __packed probe_resp;
864 struct {
865 u8 category;
866 union {
867 struct {
868 u8 action_code;
869 u8 dialog_token;
870 u8 status_code;
871 u8 variable[0];
872 } __packed wme_action;
873 struct{
874 u8 action_code;
875 u8 variable[0];
876 } __packed chan_switch;
877 struct{
878 u8 action_code;
879 struct ieee80211_ext_chansw_ie data;
880 u8 variable[0];
881 } __packed ext_chan_switch;
882 struct{
883 u8 action_code;
884 u8 dialog_token;
885 u8 element_id;
886 u8 length;
887 struct ieee80211_msrment_ie msr_elem;
888 } __packed measurement;
889 struct{
890 u8 action_code;
891 u8 dialog_token;
892 __le16 capab;
893 __le16 timeout;
894 __le16 start_seq_num;
895 } __packed addba_req;
896 struct{
897 u8 action_code;
898 u8 dialog_token;
899 __le16 status;
900 __le16 capab;
901 __le16 timeout;
902 } __packed addba_resp;
903 struct{
904 u8 action_code;
905 __le16 params;
906 __le16 reason_code;
907 } __packed delba;
908 struct {
909 u8 action_code;
910 u8 variable[0];
911 } __packed self_prot;
912 struct{
913 u8 action_code;
914 u8 variable[0];
915 } __packed mesh_action;
916 struct {
917 u8 action;
918 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
919 } __packed sa_query;
920 struct {
921 u8 action;
922 u8 smps_control;
923 } __packed ht_smps;
924 struct {
925 u8 action_code;
926 u8 chanwidth;
927 } __packed ht_notify_cw;
928 struct {
929 u8 action_code;
930 u8 dialog_token;
931 __le16 capability;
932 u8 variable[0];
933 } __packed tdls_discover_resp;
934 struct {
935 u8 action_code;
936 u8 operating_mode;
937 } __packed vht_opmode_notif;
938 } u;
939 } __packed action;
940 } u;
941 } __packed __aligned(2);
942
943 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
944 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
945
946 /* mgmt header + 1 byte category code */
947 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
948
949
950 /* Management MIC information element (IEEE 802.11w) */
951 struct ieee80211_mmie {
952 u8 element_id;
953 u8 length;
954 __le16 key_id;
955 u8 sequence_number[6];
956 u8 mic[8];
957 } __packed;
958
959 struct ieee80211_vendor_ie {
960 u8 element_id;
961 u8 len;
962 u8 oui[3];
963 u8 oui_type;
964 } __packed;
965
966 /* Control frames */
967 struct ieee80211_rts {
968 __le16 frame_control;
969 __le16 duration;
970 u8 ra[ETH_ALEN];
971 u8 ta[ETH_ALEN];
972 } __packed __aligned(2);
973
974 struct ieee80211_cts {
975 __le16 frame_control;
976 __le16 duration;
977 u8 ra[ETH_ALEN];
978 } __packed __aligned(2);
979
980 struct ieee80211_pspoll {
981 __le16 frame_control;
982 __le16 aid;
983 u8 bssid[ETH_ALEN];
984 u8 ta[ETH_ALEN];
985 } __packed __aligned(2);
986
987 /* TDLS */
988
989 /* Link-id information element */
990 struct ieee80211_tdls_lnkie {
991 u8 ie_type; /* Link Identifier IE */
992 u8 ie_len;
993 u8 bssid[ETH_ALEN];
994 u8 init_sta[ETH_ALEN];
995 u8 resp_sta[ETH_ALEN];
996 } __packed;
997
998 struct ieee80211_tdls_data {
999 u8 da[ETH_ALEN];
1000 u8 sa[ETH_ALEN];
1001 __be16 ether_type;
1002 u8 payload_type;
1003 u8 category;
1004 u8 action_code;
1005 union {
1006 struct {
1007 u8 dialog_token;
1008 __le16 capability;
1009 u8 variable[0];
1010 } __packed setup_req;
1011 struct {
1012 __le16 status_code;
1013 u8 dialog_token;
1014 __le16 capability;
1015 u8 variable[0];
1016 } __packed setup_resp;
1017 struct {
1018 __le16 status_code;
1019 u8 dialog_token;
1020 u8 variable[0];
1021 } __packed setup_cfm;
1022 struct {
1023 __le16 reason_code;
1024 u8 variable[0];
1025 } __packed teardown;
1026 struct {
1027 u8 dialog_token;
1028 u8 variable[0];
1029 } __packed discover_req;
1030 } u;
1031 } __packed;
1032
1033 /*
1034 * Peer-to-Peer IE attribute related definitions.
1035 */
1036 /**
1037 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1038 */
1039 enum ieee80211_p2p_attr_id {
1040 IEEE80211_P2P_ATTR_STATUS = 0,
1041 IEEE80211_P2P_ATTR_MINOR_REASON,
1042 IEEE80211_P2P_ATTR_CAPABILITY,
1043 IEEE80211_P2P_ATTR_DEVICE_ID,
1044 IEEE80211_P2P_ATTR_GO_INTENT,
1045 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1046 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1047 IEEE80211_P2P_ATTR_GROUP_BSSID,
1048 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1049 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1050 IEEE80211_P2P_ATTR_MANAGABILITY,
1051 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1052 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1053 IEEE80211_P2P_ATTR_DEVICE_INFO,
1054 IEEE80211_P2P_ATTR_GROUP_INFO,
1055 IEEE80211_P2P_ATTR_GROUP_ID,
1056 IEEE80211_P2P_ATTR_INTERFACE,
1057 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1058 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1059 /* 19 - 220: Reserved */
1060 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1061
1062 IEEE80211_P2P_ATTR_MAX
1063 };
1064
1065 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1066 /* Typical max value used here */
1067 #define IEEE80211_P2P_NOA_DESC_MAX 4
1068
1069 struct ieee80211_p2p_noa_desc {
1070 u8 count;
1071 __le32 duration;
1072 __le32 interval;
1073 __le32 start_time;
1074 } __packed;
1075
1076 struct ieee80211_p2p_noa_attr {
1077 u8 index;
1078 u8 oppps_ctwindow;
1079 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1080 } __packed;
1081
1082 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1083 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1084
1085 /**
1086 * struct ieee80211_bar - HT Block Ack Request
1087 *
1088 * This structure refers to "HT BlockAckReq" as
1089 * described in 802.11n draft section 7.2.1.7.1
1090 */
1091 struct ieee80211_bar {
1092 __le16 frame_control;
1093 __le16 duration;
1094 __u8 ra[ETH_ALEN];
1095 __u8 ta[ETH_ALEN];
1096 __le16 control;
1097 __le16 start_seq_num;
1098 } __packed;
1099
1100 /* 802.11 BAR control masks */
1101 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1102 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1103 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1104 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1105 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1106
1107 #define IEEE80211_HT_MCS_MASK_LEN 10
1108
1109 /**
1110 * struct ieee80211_mcs_info - MCS information
1111 * @rx_mask: RX mask
1112 * @rx_highest: highest supported RX rate. If set represents
1113 * the highest supported RX data rate in units of 1 Mbps.
1114 * If this field is 0 this value should not be used to
1115 * consider the highest RX data rate supported.
1116 * @tx_params: TX parameters
1117 */
1118 struct ieee80211_mcs_info {
1119 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1120 __le16 rx_highest;
1121 u8 tx_params;
1122 u8 reserved[3];
1123 } __packed;
1124
1125 /* 802.11n HT capability MSC set */
1126 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1127 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1128 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1129 /* value 0 == 1 stream etc */
1130 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1131 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1132 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1133 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1134
1135 /*
1136 * 802.11n D5.0 20.3.5 / 20.6 says:
1137 * - indices 0 to 7 and 32 are single spatial stream
1138 * - 8 to 31 are multiple spatial streams using equal modulation
1139 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1140 * - remainder are multiple spatial streams using unequal modulation
1141 */
1142 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1143 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1144 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1145
1146 /**
1147 * struct ieee80211_ht_cap - HT capabilities
1148 *
1149 * This structure is the "HT capabilities element" as
1150 * described in 802.11n D5.0 7.3.2.57
1151 */
1152 struct ieee80211_ht_cap {
1153 __le16 cap_info;
1154 u8 ampdu_params_info;
1155
1156 /* 16 bytes MCS information */
1157 struct ieee80211_mcs_info mcs;
1158
1159 __le16 extended_ht_cap_info;
1160 __le32 tx_BF_cap_info;
1161 u8 antenna_selection_info;
1162 } __packed;
1163
1164 /* 802.11n HT capabilities masks (for cap_info) */
1165 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1166 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1167 #define IEEE80211_HT_CAP_SM_PS 0x000C
1168 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1169 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1170 #define IEEE80211_HT_CAP_SGI_20 0x0020
1171 #define IEEE80211_HT_CAP_SGI_40 0x0040
1172 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1173 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1174 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1175 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1176 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1177 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1178 #define IEEE80211_HT_CAP_RESERVED 0x2000
1179 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1180 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1181
1182 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1183 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1184 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1185 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1186 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1187 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1188 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1189 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1190
1191 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1192 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1193 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1194 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1195
1196 /*
1197 * Maximum length of AMPDU that the STA can receive.
1198 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1199 */
1200 enum ieee80211_max_ampdu_length_exp {
1201 IEEE80211_HT_MAX_AMPDU_8K = 0,
1202 IEEE80211_HT_MAX_AMPDU_16K = 1,
1203 IEEE80211_HT_MAX_AMPDU_32K = 2,
1204 IEEE80211_HT_MAX_AMPDU_64K = 3
1205 };
1206
1207 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1208
1209 /* Minimum MPDU start spacing */
1210 enum ieee80211_min_mpdu_spacing {
1211 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1212 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1213 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1214 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1215 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1216 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1217 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1218 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1219 };
1220
1221 /**
1222 * struct ieee80211_ht_operation - HT operation IE
1223 *
1224 * This structure is the "HT operation element" as
1225 * described in 802.11n-2009 7.3.2.57
1226 */
1227 struct ieee80211_ht_operation {
1228 u8 primary_chan;
1229 u8 ht_param;
1230 __le16 operation_mode;
1231 __le16 stbc_param;
1232 u8 basic_set[16];
1233 } __packed;
1234
1235 /* for ht_param */
1236 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1237 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1238 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1239 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1240 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1241 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1242
1243 /* for operation_mode */
1244 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1245 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1246 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1247 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1248 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1249 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1250 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1251
1252 /* for stbc_param */
1253 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1254 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1255 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1256 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1257 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1258 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1259
1260
1261 /* block-ack parameters */
1262 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1263 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1264 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1265 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1266 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1267
1268 /*
1269 * A-PMDU buffer sizes
1270 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1271 */
1272 #define IEEE80211_MIN_AMPDU_BUF 0x8
1273 #define IEEE80211_MAX_AMPDU_BUF 0x40
1274
1275
1276 /* Spatial Multiplexing Power Save Modes (for capability) */
1277 #define WLAN_HT_CAP_SM_PS_STATIC 0
1278 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1279 #define WLAN_HT_CAP_SM_PS_INVALID 2
1280 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1281
1282 /* for SM power control field lower two bits */
1283 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1284 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1285 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1286
1287 /**
1288 * struct ieee80211_vht_mcs_info - VHT MCS information
1289 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1290 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1291 * STA can receive. Rate expressed in units of 1 Mbps.
1292 * If this field is 0 this value should not be used to
1293 * consider the highest RX data rate supported.
1294 * The top 3 bits of this field are reserved.
1295 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1296 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1297 * STA can transmit. Rate expressed in units of 1 Mbps.
1298 * If this field is 0 this value should not be used to
1299 * consider the highest TX data rate supported.
1300 * The top 3 bits of this field are reserved.
1301 */
1302 struct ieee80211_vht_mcs_info {
1303 __le16 rx_mcs_map;
1304 __le16 rx_highest;
1305 __le16 tx_mcs_map;
1306 __le16 tx_highest;
1307 } __packed;
1308
1309 /**
1310 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1311 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1312 * number of streams
1313 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1314 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1315 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1316 *
1317 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1318 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1319 * both split into 8 subfields by number of streams. These values indicate
1320 * which MCSes are supported for the number of streams the value appears
1321 * for.
1322 */
1323 enum ieee80211_vht_mcs_support {
1324 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1325 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1326 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1327 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1328 };
1329
1330 /**
1331 * struct ieee80211_vht_cap - VHT capabilities
1332 *
1333 * This structure is the "VHT capabilities element" as
1334 * described in 802.11ac D3.0 8.4.2.160
1335 * @vht_cap_info: VHT capability info
1336 * @supp_mcs: VHT MCS supported rates
1337 */
1338 struct ieee80211_vht_cap {
1339 __le32 vht_cap_info;
1340 struct ieee80211_vht_mcs_info supp_mcs;
1341 } __packed;
1342
1343 /**
1344 * enum ieee80211_vht_chanwidth - VHT channel width
1345 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1346 * determine the channel width (20 or 40 MHz)
1347 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1348 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1349 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1350 */
1351 enum ieee80211_vht_chanwidth {
1352 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1353 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1354 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1355 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1356 };
1357
1358 /**
1359 * struct ieee80211_vht_operation - VHT operation IE
1360 *
1361 * This structure is the "VHT operation element" as
1362 * described in 802.11ac D3.0 8.4.2.161
1363 * @chan_width: Operating channel width
1364 * @center_freq_seg1_idx: center freq segment 1 index
1365 * @center_freq_seg2_idx: center freq segment 2 index
1366 * @basic_mcs_set: VHT Basic MCS rate set
1367 */
1368 struct ieee80211_vht_operation {
1369 u8 chan_width;
1370 u8 center_freq_seg1_idx;
1371 u8 center_freq_seg2_idx;
1372 __le16 basic_mcs_set;
1373 } __packed;
1374
1375
1376 /* 802.11ac VHT Capabilities */
1377 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1378 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1379 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1380 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1381 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1382 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1383 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1384 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1385 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1386 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1387 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1388 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1389 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1390 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1391 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1392 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1393 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1394 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1395 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000
1396 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1397 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1398 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1399 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1400 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1401 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1402 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1403 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1404 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1405 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1406 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1407
1408 /* Authentication algorithms */
1409 #define WLAN_AUTH_OPEN 0
1410 #define WLAN_AUTH_SHARED_KEY 1
1411 #define WLAN_AUTH_FT 2
1412 #define WLAN_AUTH_SAE 3
1413 #define WLAN_AUTH_LEAP 128
1414
1415 #define WLAN_AUTH_CHALLENGE_LEN 128
1416
1417 #define WLAN_CAPABILITY_ESS (1<<0)
1418 #define WLAN_CAPABILITY_IBSS (1<<1)
1419
1420 /*
1421 * A mesh STA sets the ESS and IBSS capability bits to zero.
1422 * however, this holds true for p2p probe responses (in the p2p_find
1423 * phase) as well.
1424 */
1425 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1426 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1427
1428 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1429 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1430 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1431 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1432 #define WLAN_CAPABILITY_PBCC (1<<6)
1433 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1434
1435 /* 802.11h */
1436 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1437 #define WLAN_CAPABILITY_QOS (1<<9)
1438 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1439 #define WLAN_CAPABILITY_APSD (1<<11)
1440 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1441 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1442 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1443 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1444
1445 /* DMG (60gHz) 802.11ad */
1446 /* type - bits 0..1 */
1447 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1448 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1449 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1450 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1451
1452 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1453 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1454 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1455 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1456
1457 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1458 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1459
1460 /* measurement */
1461 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1462 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1463 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1464
1465 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1466 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1467 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1468
1469 /* 802.11g ERP information element */
1470 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1471 #define WLAN_ERP_USE_PROTECTION (1<<1)
1472 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1473
1474 /* WLAN_ERP_BARKER_PREAMBLE values */
1475 enum {
1476 WLAN_ERP_PREAMBLE_SHORT = 0,
1477 WLAN_ERP_PREAMBLE_LONG = 1,
1478 };
1479
1480 /* Band ID, 802.11ad #8.4.1.45 */
1481 enum {
1482 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1483 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1484 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1485 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1486 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1487 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1488 };
1489
1490 /* Status codes */
1491 enum ieee80211_statuscode {
1492 WLAN_STATUS_SUCCESS = 0,
1493 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1494 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1495 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1496 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1497 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1498 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1499 WLAN_STATUS_CHALLENGE_FAIL = 15,
1500 WLAN_STATUS_AUTH_TIMEOUT = 16,
1501 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1502 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1503 /* 802.11b */
1504 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1505 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1506 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1507 /* 802.11h */
1508 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1509 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1510 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1511 /* 802.11g */
1512 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1513 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1514 /* 802.11w */
1515 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1516 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1517 /* 802.11i */
1518 WLAN_STATUS_INVALID_IE = 40,
1519 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1520 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1521 WLAN_STATUS_INVALID_AKMP = 43,
1522 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1523 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1524 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1525 /* 802.11e */
1526 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1527 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1528 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1529 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1530 WLAN_STATUS_REQUEST_DECLINED = 37,
1531 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1532 WLAN_STATUS_CHANGE_TSPEC = 39,
1533 WLAN_STATUS_WAIT_TS_DELAY = 47,
1534 WLAN_STATUS_NO_DIRECT_LINK = 48,
1535 WLAN_STATUS_STA_NOT_PRESENT = 49,
1536 WLAN_STATUS_STA_NOT_QSTA = 50,
1537 /* 802.11s */
1538 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1539 WLAN_STATUS_FCG_NOT_SUPP = 78,
1540 WLAN_STATUS_STA_NO_TBTT = 78,
1541 /* 802.11ad */
1542 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1543 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1544 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1545 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1546 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1547 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1548 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1549 WLAN_STATUS_REJECT_DSE_BAND = 96,
1550 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1551 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1552 };
1553
1554
1555 /* Reason codes */
1556 enum ieee80211_reasoncode {
1557 WLAN_REASON_UNSPECIFIED = 1,
1558 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1559 WLAN_REASON_DEAUTH_LEAVING = 3,
1560 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1561 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1562 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1563 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1564 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1565 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1566 /* 802.11h */
1567 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1568 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1569 /* 802.11i */
1570 WLAN_REASON_INVALID_IE = 13,
1571 WLAN_REASON_MIC_FAILURE = 14,
1572 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1573 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1574 WLAN_REASON_IE_DIFFERENT = 17,
1575 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1576 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1577 WLAN_REASON_INVALID_AKMP = 20,
1578 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1579 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1580 WLAN_REASON_IEEE8021X_FAILED = 23,
1581 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1582 /* 802.11e */
1583 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1584 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1585 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1586 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1587 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1588 WLAN_REASON_QSTA_NOT_USE = 37,
1589 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1590 WLAN_REASON_QSTA_TIMEOUT = 39,
1591 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1592 /* 802.11s */
1593 WLAN_REASON_MESH_PEER_CANCELED = 52,
1594 WLAN_REASON_MESH_MAX_PEERS = 53,
1595 WLAN_REASON_MESH_CONFIG = 54,
1596 WLAN_REASON_MESH_CLOSE = 55,
1597 WLAN_REASON_MESH_MAX_RETRIES = 56,
1598 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1599 WLAN_REASON_MESH_INVALID_GTK = 58,
1600 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1601 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1602 WLAN_REASON_MESH_PATH_ERROR = 61,
1603 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1604 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1605 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1606 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1607 WLAN_REASON_MESH_CHAN = 66,
1608 };
1609
1610
1611 /* Information Element IDs */
1612 enum ieee80211_eid {
1613 WLAN_EID_SSID = 0,
1614 WLAN_EID_SUPP_RATES = 1,
1615 WLAN_EID_FH_PARAMS = 2,
1616 WLAN_EID_DS_PARAMS = 3,
1617 WLAN_EID_CF_PARAMS = 4,
1618 WLAN_EID_TIM = 5,
1619 WLAN_EID_IBSS_PARAMS = 6,
1620 WLAN_EID_CHALLENGE = 16,
1621
1622 WLAN_EID_COUNTRY = 7,
1623 WLAN_EID_HP_PARAMS = 8,
1624 WLAN_EID_HP_TABLE = 9,
1625 WLAN_EID_REQUEST = 10,
1626
1627 WLAN_EID_QBSS_LOAD = 11,
1628 WLAN_EID_EDCA_PARAM_SET = 12,
1629 WLAN_EID_TSPEC = 13,
1630 WLAN_EID_TCLAS = 14,
1631 WLAN_EID_SCHEDULE = 15,
1632 WLAN_EID_TS_DELAY = 43,
1633 WLAN_EID_TCLAS_PROCESSING = 44,
1634 WLAN_EID_QOS_CAPA = 46,
1635 /* 802.11z */
1636 WLAN_EID_LINK_ID = 101,
1637 /* 802.11s */
1638 WLAN_EID_MESH_CONFIG = 113,
1639 WLAN_EID_MESH_ID = 114,
1640 WLAN_EID_LINK_METRIC_REPORT = 115,
1641 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1642 WLAN_EID_PEER_MGMT = 117,
1643 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1644 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1645 WLAN_EID_BEACON_TIMING = 120,
1646 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1647 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1648 WLAN_EID_MCCAOP_ADVERT = 123,
1649 WLAN_EID_MCCAOP_TEARDOWN = 124,
1650 WLAN_EID_GANN = 125,
1651 WLAN_EID_RANN = 126,
1652 WLAN_EID_PREQ = 130,
1653 WLAN_EID_PREP = 131,
1654 WLAN_EID_PERR = 132,
1655 WLAN_EID_PXU = 137,
1656 WLAN_EID_PXUC = 138,
1657 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1658 WLAN_EID_MIC = 140,
1659
1660 WLAN_EID_PWR_CONSTRAINT = 32,
1661 WLAN_EID_PWR_CAPABILITY = 33,
1662 WLAN_EID_TPC_REQUEST = 34,
1663 WLAN_EID_TPC_REPORT = 35,
1664 WLAN_EID_SUPPORTED_CHANNELS = 36,
1665 WLAN_EID_CHANNEL_SWITCH = 37,
1666 WLAN_EID_MEASURE_REQUEST = 38,
1667 WLAN_EID_MEASURE_REPORT = 39,
1668 WLAN_EID_QUIET = 40,
1669 WLAN_EID_IBSS_DFS = 41,
1670
1671 WLAN_EID_ERP_INFO = 42,
1672 WLAN_EID_EXT_SUPP_RATES = 50,
1673
1674 WLAN_EID_HT_CAPABILITY = 45,
1675 WLAN_EID_HT_OPERATION = 61,
1676 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1677
1678 WLAN_EID_RSN = 48,
1679 WLAN_EID_MMIE = 76,
1680 WLAN_EID_VENDOR_SPECIFIC = 221,
1681 WLAN_EID_QOS_PARAMETER = 222,
1682
1683 WLAN_EID_AP_CHAN_REPORT = 51,
1684 WLAN_EID_NEIGHBOR_REPORT = 52,
1685 WLAN_EID_RCPI = 53,
1686 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1687 WLAN_EID_ANTENNA_INFO = 64,
1688 WLAN_EID_RSNI = 65,
1689 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1690 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1691 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1692 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1693 WLAN_EID_MULTIPLE_BSSID = 71,
1694 WLAN_EID_BSS_COEX_2040 = 72,
1695 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1696 WLAN_EID_EXT_CAPABILITY = 127,
1697
1698 WLAN_EID_MOBILITY_DOMAIN = 54,
1699 WLAN_EID_FAST_BSS_TRANSITION = 55,
1700 WLAN_EID_TIMEOUT_INTERVAL = 56,
1701 WLAN_EID_RIC_DATA = 57,
1702 WLAN_EID_RIC_DESCRIPTOR = 75,
1703
1704 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1705 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1706 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1707
1708 WLAN_EID_VHT_CAPABILITY = 191,
1709 WLAN_EID_VHT_OPERATION = 192,
1710 WLAN_EID_OPMODE_NOTIF = 199,
1711 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1712 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1713 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1714 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1715 WLAN_EID_AID = 197,
1716 WLAN_EID_QUIET_CHANNEL = 198,
1717
1718 /* 802.11ad */
1719 WLAN_EID_NON_TX_BSSID_CAP = 83,
1720 WLAN_EID_WAKEUP_SCHEDULE = 143,
1721 WLAN_EID_EXT_SCHEDULE = 144,
1722 WLAN_EID_STA_AVAILABILITY = 145,
1723 WLAN_EID_DMG_TSPEC = 146,
1724 WLAN_EID_DMG_AT = 147,
1725 WLAN_EID_DMG_CAP = 148,
1726 WLAN_EID_DMG_OPERATION = 151,
1727 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1728 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1729 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1730 WLAN_EID_AWAKE_WINDOW = 157,
1731 WLAN_EID_MULTI_BAND = 158,
1732 WLAN_EID_ADDBA_EXT = 159,
1733 WLAN_EID_NEXT_PCP_LIST = 160,
1734 WLAN_EID_PCP_HANDOVER = 161,
1735 WLAN_EID_DMG_LINK_MARGIN = 162,
1736 WLAN_EID_SWITCHING_STREAM = 163,
1737 WLAN_EID_SESSION_TRANSITION = 164,
1738 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1739 WLAN_EID_CLUSTER_REPORT = 166,
1740 WLAN_EID_RELAY_CAP = 167,
1741 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1742 WLAN_EID_BEAM_LINK_MAINT = 169,
1743 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1744 WLAN_EID_U_PID = 171,
1745 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1746 WLAN_EID_QUIET_PERIOD_REQ = 175,
1747 WLAN_EID_QUIET_PERIOD_RESP = 177,
1748 WLAN_EID_EPAC_POLICY = 182,
1749 WLAN_EID_CLISTER_TIME_OFF = 183,
1750 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1751 };
1752
1753 /* Action category code */
1754 enum ieee80211_category {
1755 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1756 WLAN_CATEGORY_QOS = 1,
1757 WLAN_CATEGORY_DLS = 2,
1758 WLAN_CATEGORY_BACK = 3,
1759 WLAN_CATEGORY_PUBLIC = 4,
1760 WLAN_CATEGORY_HT = 7,
1761 WLAN_CATEGORY_SA_QUERY = 8,
1762 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1763 WLAN_CATEGORY_TDLS = 12,
1764 WLAN_CATEGORY_MESH_ACTION = 13,
1765 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1766 WLAN_CATEGORY_SELF_PROTECTED = 15,
1767 WLAN_CATEGORY_DMG = 16,
1768 WLAN_CATEGORY_WMM = 17,
1769 WLAN_CATEGORY_FST = 18,
1770 WLAN_CATEGORY_UNPROT_DMG = 20,
1771 WLAN_CATEGORY_VHT = 21,
1772 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1773 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1774 };
1775
1776 /* SPECTRUM_MGMT action code */
1777 enum ieee80211_spectrum_mgmt_actioncode {
1778 WLAN_ACTION_SPCT_MSR_REQ = 0,
1779 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1780 WLAN_ACTION_SPCT_TPC_REQ = 2,
1781 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1782 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1783 };
1784
1785 /* HT action codes */
1786 enum ieee80211_ht_actioncode {
1787 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1788 WLAN_HT_ACTION_SMPS = 1,
1789 WLAN_HT_ACTION_PSMP = 2,
1790 WLAN_HT_ACTION_PCO_PHASE = 3,
1791 WLAN_HT_ACTION_CSI = 4,
1792 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1793 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1794 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1795 };
1796
1797 /* VHT action codes */
1798 enum ieee80211_vht_actioncode {
1799 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1800 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1801 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1802 };
1803
1804 /* Self Protected Action codes */
1805 enum ieee80211_self_protected_actioncode {
1806 WLAN_SP_RESERVED = 0,
1807 WLAN_SP_MESH_PEERING_OPEN = 1,
1808 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1809 WLAN_SP_MESH_PEERING_CLOSE = 3,
1810 WLAN_SP_MGK_INFORM = 4,
1811 WLAN_SP_MGK_ACK = 5,
1812 };
1813
1814 /* Mesh action codes */
1815 enum ieee80211_mesh_actioncode {
1816 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1817 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1818 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1819 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1820 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1821 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1822 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1823 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1824 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1825 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1826 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1827 };
1828
1829 /* Security key length */
1830 enum ieee80211_key_len {
1831 WLAN_KEY_LEN_WEP40 = 5,
1832 WLAN_KEY_LEN_WEP104 = 13,
1833 WLAN_KEY_LEN_CCMP = 16,
1834 WLAN_KEY_LEN_TKIP = 32,
1835 WLAN_KEY_LEN_AES_CMAC = 16,
1836 };
1837
1838 #define IEEE80211_WEP_IV_LEN 4
1839 #define IEEE80211_WEP_ICV_LEN 4
1840 #define IEEE80211_CCMP_HDR_LEN 8
1841 #define IEEE80211_CCMP_MIC_LEN 8
1842 #define IEEE80211_CCMP_PN_LEN 6
1843 #define IEEE80211_TKIP_IV_LEN 8
1844 #define IEEE80211_TKIP_ICV_LEN 4
1845 #define IEEE80211_CMAC_PN_LEN 6
1846
1847 /* Public action codes */
1848 enum ieee80211_pub_actioncode {
1849 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1850 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1851 };
1852
1853 /* TDLS action codes */
1854 enum ieee80211_tdls_actioncode {
1855 WLAN_TDLS_SETUP_REQUEST = 0,
1856 WLAN_TDLS_SETUP_RESPONSE = 1,
1857 WLAN_TDLS_SETUP_CONFIRM = 2,
1858 WLAN_TDLS_TEARDOWN = 3,
1859 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1860 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1861 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1862 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1863 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1864 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1865 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1866 };
1867
1868 /* Interworking capabilities are set in 7th bit of 4th byte of the
1869 * @WLAN_EID_EXT_CAPABILITY information element
1870 */
1871 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
1872
1873 /*
1874 * TDLS capabililites to be enabled in the 5th byte of the
1875 * @WLAN_EID_EXT_CAPABILITY information element
1876 */
1877 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1878 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1879
1880 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1881
1882 /* TDLS specific payload type in the LLC/SNAP header */
1883 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1884
1885 /**
1886 * enum - mesh synchronization method identifier
1887 *
1888 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1889 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1890 * that will be specified in a vendor specific information element
1891 */
1892 enum {
1893 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1894 IEEE80211_SYNC_METHOD_VENDOR = 255,
1895 };
1896
1897 /**
1898 * enum - mesh path selection protocol identifier
1899 *
1900 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1901 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1902 * be specified in a vendor specific information element
1903 */
1904 enum {
1905 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1906 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1907 };
1908
1909 /**
1910 * enum - mesh path selection metric identifier
1911 *
1912 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1913 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1914 * specified in a vendor specific information element
1915 */
1916 enum {
1917 IEEE80211_PATH_METRIC_AIRTIME = 1,
1918 IEEE80211_PATH_METRIC_VENDOR = 255,
1919 };
1920
1921 /**
1922 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1923 *
1924 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1925 *
1926 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1927 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1928 * this value
1929 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1930 * the proactive PREQ with proactive PREP subfield set to 0
1931 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1932 * supports the proactive PREQ with proactive PREP subfield set to 1
1933 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1934 * the proactive RANN
1935 */
1936 enum ieee80211_root_mode_identifier {
1937 IEEE80211_ROOTMODE_NO_ROOT = 0,
1938 IEEE80211_ROOTMODE_ROOT = 1,
1939 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1940 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1941 IEEE80211_PROACTIVE_RANN = 4,
1942 };
1943
1944 /*
1945 * IEEE 802.11-2007 7.3.2.9 Country information element
1946 *
1947 * Minimum length is 8 octets, ie len must be evenly
1948 * divisible by 2
1949 */
1950
1951 /* Although the spec says 8 I'm seeing 6 in practice */
1952 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1953
1954 /* The Country String field of the element shall be 3 octets in length */
1955 #define IEEE80211_COUNTRY_STRING_LEN 3
1956
1957 /*
1958 * For regulatory extension stuff see IEEE 802.11-2007
1959 * Annex I (page 1141) and Annex J (page 1147). Also
1960 * review 7.3.2.9.
1961 *
1962 * When dot11RegulatoryClassesRequired is true and the
1963 * first_channel/reg_extension_id is >= 201 then the IE
1964 * compromises of the 'ext' struct represented below:
1965 *
1966 * - Regulatory extension ID - when generating IE this just needs
1967 * to be monotonically increasing for each triplet passed in
1968 * the IE
1969 * - Regulatory class - index into set of rules
1970 * - Coverage class - index into air propagation time (Table 7-27),
1971 * in microseconds, you can compute the air propagation time from
1972 * the index by multiplying by 3, so index 10 yields a propagation
1973 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1974 * yet. A value of 0 inicates air propagation of <= 1 us.
1975 *
1976 * See also Table I.2 for Emission limit sets and table
1977 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1978 * a reg_class to an emission limit set and behavior limit set.
1979 */
1980 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1981
1982 /*
1983 * Channels numbers in the IE must be monotonically increasing
1984 * if dot11RegulatoryClassesRequired is not true.
1985 *
1986 * If dot11RegulatoryClassesRequired is true consecutive
1987 * subband triplets following a regulatory triplet shall
1988 * have monotonically increasing first_channel number fields.
1989 *
1990 * Channel numbers shall not overlap.
1991 *
1992 * Note that max_power is signed.
1993 */
1994 struct ieee80211_country_ie_triplet {
1995 union {
1996 struct {
1997 u8 first_channel;
1998 u8 num_channels;
1999 s8 max_power;
2000 } __packed chans;
2001 struct {
2002 u8 reg_extension_id;
2003 u8 reg_class;
2004 u8 coverage_class;
2005 } __packed ext;
2006 };
2007 } __packed;
2008
2009 enum ieee80211_timeout_interval_type {
2010 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2011 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2012 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2013 };
2014
2015 /**
2016 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2017 * @type: type, see &enum ieee80211_timeout_interval_type
2018 * @value: timeout interval value
2019 */
2020 struct ieee80211_timeout_interval_ie {
2021 u8 type;
2022 __le32 value;
2023 } __packed;
2024
2025 /* BACK action code */
2026 enum ieee80211_back_actioncode {
2027 WLAN_ACTION_ADDBA_REQ = 0,
2028 WLAN_ACTION_ADDBA_RESP = 1,
2029 WLAN_ACTION_DELBA = 2,
2030 };
2031
2032 /* BACK (block-ack) parties */
2033 enum ieee80211_back_parties {
2034 WLAN_BACK_RECIPIENT = 0,
2035 WLAN_BACK_INITIATOR = 1,
2036 };
2037
2038 /* SA Query action */
2039 enum ieee80211_sa_query_action {
2040 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2041 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2042 };
2043
2044
2045 /* cipher suite selectors */
2046 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2047 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2048 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2049 /* reserved: 0x000FAC03 */
2050 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2051 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2052 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2053 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2054
2055 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2056
2057 /* AKM suite selectors */
2058 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2059 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2060 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2061 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2062 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
2063 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2064 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2065
2066 #define WLAN_MAX_KEY_LEN 32
2067
2068 #define WLAN_PMKID_LEN 16
2069
2070 #define WLAN_OUI_WFA 0x506f9a
2071 #define WLAN_OUI_TYPE_WFA_P2P 9
2072 #define WLAN_OUI_MICROSOFT 0x0050f2
2073 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2074 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2075 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2076
2077 /*
2078 * WMM/802.11e Tspec Element
2079 */
2080 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2081 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2082
2083 enum ieee80211_tspec_status_code {
2084 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2085 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2086 };
2087
2088 struct ieee80211_tspec_ie {
2089 u8 element_id;
2090 u8 len;
2091 u8 oui[3];
2092 u8 oui_type;
2093 u8 oui_subtype;
2094 u8 version;
2095 __le16 tsinfo;
2096 u8 tsinfo_resvd;
2097 __le16 nominal_msdu;
2098 __le16 max_msdu;
2099 __le32 min_service_int;
2100 __le32 max_service_int;
2101 __le32 inactivity_int;
2102 __le32 suspension_int;
2103 __le32 service_start_time;
2104 __le32 min_data_rate;
2105 __le32 mean_data_rate;
2106 __le32 peak_data_rate;
2107 __le32 max_burst_size;
2108 __le32 delay_bound;
2109 __le32 min_phy_rate;
2110 __le16 sba;
2111 __le16 medium_time;
2112 } __packed;
2113
2114 /**
2115 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2116 * @hdr: the frame
2117 *
2118 * The qos ctrl bytes come after the frame_control, duration, seq_num
2119 * and 3 or 4 addresses of length ETH_ALEN.
2120 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2121 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2122 */
2123 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2124 {
2125 if (ieee80211_has_a4(hdr->frame_control))
2126 return (u8 *)hdr + 30;
2127 else
2128 return (u8 *)hdr + 24;
2129 }
2130
2131 /**
2132 * ieee80211_get_SA - get pointer to SA
2133 * @hdr: the frame
2134 *
2135 * Given an 802.11 frame, this function returns the offset
2136 * to the source address (SA). It does not verify that the
2137 * header is long enough to contain the address, and the
2138 * header must be long enough to contain the frame control
2139 * field.
2140 */
2141 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2142 {
2143 if (ieee80211_has_a4(hdr->frame_control))
2144 return hdr->addr4;
2145 if (ieee80211_has_fromds(hdr->frame_control))
2146 return hdr->addr3;
2147 return hdr->addr2;
2148 }
2149
2150 /**
2151 * ieee80211_get_DA - get pointer to DA
2152 * @hdr: the frame
2153 *
2154 * Given an 802.11 frame, this function returns the offset
2155 * to the destination address (DA). It does not verify that
2156 * the header is long enough to contain the address, and the
2157 * header must be long enough to contain the frame control
2158 * field.
2159 */
2160 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2161 {
2162 if (ieee80211_has_tods(hdr->frame_control))
2163 return hdr->addr3;
2164 else
2165 return hdr->addr1;
2166 }
2167
2168 /**
2169 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2170 * @hdr: the frame (buffer must include at least the first octet of payload)
2171 */
2172 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2173 {
2174 if (ieee80211_is_disassoc(hdr->frame_control) ||
2175 ieee80211_is_deauth(hdr->frame_control))
2176 return true;
2177
2178 if (ieee80211_is_action(hdr->frame_control)) {
2179 u8 *category;
2180
2181 /*
2182 * Action frames, excluding Public Action frames, are Robust
2183 * Management Frames. However, if we are looking at a Protected
2184 * frame, skip the check since the data may be encrypted and
2185 * the frame has already been found to be a Robust Management
2186 * Frame (by the other end).
2187 */
2188 if (ieee80211_has_protected(hdr->frame_control))
2189 return true;
2190 category = ((u8 *) hdr) + 24;
2191 return *category != WLAN_CATEGORY_PUBLIC &&
2192 *category != WLAN_CATEGORY_HT &&
2193 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2194 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2195 }
2196
2197 return false;
2198 }
2199
2200 /**
2201 * ieee80211_is_public_action - check if frame is a public action frame
2202 * @hdr: the frame
2203 * @len: length of the frame
2204 */
2205 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2206 size_t len)
2207 {
2208 struct ieee80211_mgmt *mgmt = (void *)hdr;
2209
2210 if (len < IEEE80211_MIN_ACTION_SIZE)
2211 return false;
2212 if (!ieee80211_is_action(hdr->frame_control))
2213 return false;
2214 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2215 }
2216
2217 /**
2218 * ieee80211_dsss_chan_to_freq - get channel center frequency
2219 * @channel: the DSSS channel
2220 *
2221 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2222 * Ref IEEE 802.11-2007 section 15.6
2223 */
2224 static inline int ieee80211_dsss_chan_to_freq(int channel)
2225 {
2226 if ((channel > 0) && (channel < 14))
2227 return 2407 + (channel * 5);
2228 else if (channel == 14)
2229 return 2484;
2230 else
2231 return -1;
2232 }
2233
2234 /**
2235 * ieee80211_freq_to_dsss_chan - get channel
2236 * @freq: the frequency
2237 *
2238 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2239 * Ref IEEE 802.11-2007 section 15.6
2240 *
2241 * This routine selects the channel with the closest center frequency.
2242 */
2243 static inline int ieee80211_freq_to_dsss_chan(int freq)
2244 {
2245 if ((freq >= 2410) && (freq < 2475))
2246 return (freq - 2405) / 5;
2247 else if ((freq >= 2482) && (freq < 2487))
2248 return 14;
2249 else
2250 return -1;
2251 }
2252
2253 /**
2254 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2255 * @tu: the TUs
2256 */
2257 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2258 {
2259 return 1024 * tu;
2260 }
2261
2262 /**
2263 * ieee80211_check_tim - check if AID bit is set in TIM
2264 * @tim: the TIM IE
2265 * @tim_len: length of the TIM IE
2266 * @aid: the AID to look for
2267 */
2268 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2269 u8 tim_len, u16 aid)
2270 {
2271 u8 mask;
2272 u8 index, indexn1, indexn2;
2273
2274 if (unlikely(!tim || tim_len < sizeof(*tim)))
2275 return false;
2276
2277 aid &= 0x3fff;
2278 index = aid / 8;
2279 mask = 1 << (aid & 7);
2280
2281 indexn1 = tim->bitmap_ctrl & 0xfe;
2282 indexn2 = tim_len + indexn1 - 4;
2283
2284 if (index < indexn1 || index > indexn2)
2285 return false;
2286
2287 index -= indexn1;
2288
2289 return !!(tim->virtual_map[index] & mask);
2290 }
2291
2292 /* convert time units */
2293 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2294 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2295
2296 #endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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