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Merge tag 'mvebu-dt-4.8-1' of git://git.infradead.org/linux-mvebu into next/dt
[mirror_ubuntu-zesty-kernel.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 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
10 * Copyright (c) 2016 Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17 #ifndef LINUX_IEEE80211_H
18 #define LINUX_IEEE80211_H
19
20 #include <linux/types.h>
21 #include <linux/if_ether.h>
22 #include <asm/byteorder.h>
23 #include <asm/unaligned.h>
24
25 /*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41 #define FCS_LEN 4
42
43 #define IEEE80211_FCTL_VERS 0x0003
44 #define IEEE80211_FCTL_FTYPE 0x000c
45 #define IEEE80211_FCTL_STYPE 0x00f0
46 #define IEEE80211_FCTL_TODS 0x0100
47 #define IEEE80211_FCTL_FROMDS 0x0200
48 #define IEEE80211_FCTL_MOREFRAGS 0x0400
49 #define IEEE80211_FCTL_RETRY 0x0800
50 #define IEEE80211_FCTL_PM 0x1000
51 #define IEEE80211_FCTL_MOREDATA 0x2000
52 #define IEEE80211_FCTL_PROTECTED 0x4000
53 #define IEEE80211_FCTL_ORDER 0x8000
54 #define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56 #define IEEE80211_SCTL_FRAG 0x000F
57 #define IEEE80211_SCTL_SEQ 0xFFF0
58
59 #define IEEE80211_FTYPE_MGMT 0x0000
60 #define IEEE80211_FTYPE_CTL 0x0004
61 #define IEEE80211_FTYPE_DATA 0x0008
62 #define IEEE80211_FTYPE_EXT 0x000c
63
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
69 #define IEEE80211_STYPE_PROBE_REQ 0x0040
70 #define IEEE80211_STYPE_PROBE_RESP 0x0050
71 #define IEEE80211_STYPE_BEACON 0x0080
72 #define IEEE80211_STYPE_ATIM 0x0090
73 #define IEEE80211_STYPE_DISASSOC 0x00A0
74 #define IEEE80211_STYPE_AUTH 0x00B0
75 #define IEEE80211_STYPE_DEAUTH 0x00C0
76 #define IEEE80211_STYPE_ACTION 0x00D0
77
78 /* control */
79 #define IEEE80211_STYPE_CTL_EXT 0x0060
80 #define IEEE80211_STYPE_BACK_REQ 0x0080
81 #define IEEE80211_STYPE_BACK 0x0090
82 #define IEEE80211_STYPE_PSPOLL 0x00A0
83 #define IEEE80211_STYPE_RTS 0x00B0
84 #define IEEE80211_STYPE_CTS 0x00C0
85 #define IEEE80211_STYPE_ACK 0x00D0
86 #define IEEE80211_STYPE_CFEND 0x00E0
87 #define IEEE80211_STYPE_CFENDACK 0x00F0
88
89 /* data */
90 #define IEEE80211_STYPE_DATA 0x0000
91 #define IEEE80211_STYPE_DATA_CFACK 0x0010
92 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
93 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
94 #define IEEE80211_STYPE_NULLFUNC 0x0040
95 #define IEEE80211_STYPE_CFACK 0x0050
96 #define IEEE80211_STYPE_CFPOLL 0x0060
97 #define IEEE80211_STYPE_CFACKPOLL 0x0070
98 #define IEEE80211_STYPE_QOS_DATA 0x0080
99 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
100 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
101 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
102 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
103 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
104 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
105 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
106
107 /* extension, added by 802.11ad */
108 #define IEEE80211_STYPE_DMG_BEACON 0x0000
109
110 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
111 #define IEEE80211_CTL_EXT_POLL 0x2000
112 #define IEEE80211_CTL_EXT_SPR 0x3000
113 #define IEEE80211_CTL_EXT_GRANT 0x4000
114 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
115 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
116 #define IEEE80211_CTL_EXT_SSW 0x8000
117 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
118 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
119
120
121 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
122 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
123 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
124
125 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
126 {
127 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
128 }
129
130 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
131 {
132 return (sn1 + sn2) & IEEE80211_SN_MASK;
133 }
134
135 static inline u16 ieee80211_sn_inc(u16 sn)
136 {
137 return ieee80211_sn_add(sn, 1);
138 }
139
140 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
141 {
142 return (sn1 - sn2) & IEEE80211_SN_MASK;
143 }
144
145 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
146 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
147
148 /* miscellaneous IEEE 802.11 constants */
149 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
150 #define IEEE80211_MAX_RTS_THRESHOLD 2353
151 #define IEEE80211_MAX_AID 2007
152 #define IEEE80211_MAX_TIM_LEN 251
153 #define IEEE80211_MAX_MESH_PEERINGS 63
154 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
155 6.2.1.1.2.
156
157 802.11e clarifies the figure in section 7.1.2. The frame body is
158 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
159 #define IEEE80211_MAX_DATA_LEN 2304
160 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
161 * to 7920 bytes, see 8.2.3 General frame format
162 */
163 #define IEEE80211_MAX_DATA_LEN_DMG 7920
164 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
165 #define IEEE80211_MAX_FRAME_LEN 2352
166
167 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
168 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
169
170 /* Maximal size of an A-MSDU */
171 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
172 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
173
174 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
175 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
176 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
177
178 #define IEEE80211_MAX_SSID_LEN 32
179
180 #define IEEE80211_MAX_MESH_ID_LEN 32
181
182 #define IEEE80211_FIRST_TSPEC_TSID 8
183 #define IEEE80211_NUM_TIDS 16
184
185 /* number of user priorities 802.11 uses */
186 #define IEEE80211_NUM_UPS 8
187
188 #define IEEE80211_QOS_CTL_LEN 2
189 /* 1d tag mask */
190 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
191 /* TID mask */
192 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
193 /* EOSP */
194 #define IEEE80211_QOS_CTL_EOSP 0x0010
195 /* ACK policy */
196 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
197 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
198 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
199 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
200 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
201 /* A-MSDU 802.11n */
202 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
203 /* Mesh Control 802.11s */
204 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
205
206 /* Mesh Power Save Level */
207 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
208 /* Mesh Receiver Service Period Initiated */
209 #define IEEE80211_QOS_CTL_RSPI 0x0400
210
211 /* U-APSD queue for WMM IEs sent by AP */
212 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
213 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
214
215 /* U-APSD queues for WMM IEs sent by STA */
216 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
221
222 /* U-APSD max SP length for WMM IEs sent by STA */
223 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
229
230 #define IEEE80211_HT_CTL_LEN 4
231
232 struct ieee80211_hdr {
233 __le16 frame_control;
234 __le16 duration_id;
235 u8 addr1[ETH_ALEN];
236 u8 addr2[ETH_ALEN];
237 u8 addr3[ETH_ALEN];
238 __le16 seq_ctrl;
239 u8 addr4[ETH_ALEN];
240 } __packed __aligned(2);
241
242 struct ieee80211_hdr_3addr {
243 __le16 frame_control;
244 __le16 duration_id;
245 u8 addr1[ETH_ALEN];
246 u8 addr2[ETH_ALEN];
247 u8 addr3[ETH_ALEN];
248 __le16 seq_ctrl;
249 } __packed __aligned(2);
250
251 struct ieee80211_qos_hdr {
252 __le16 frame_control;
253 __le16 duration_id;
254 u8 addr1[ETH_ALEN];
255 u8 addr2[ETH_ALEN];
256 u8 addr3[ETH_ALEN];
257 __le16 seq_ctrl;
258 __le16 qos_ctrl;
259 } __packed __aligned(2);
260
261 /**
262 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
263 * @fc: frame control bytes in little-endian byteorder
264 */
265 static inline bool ieee80211_has_tods(__le16 fc)
266 {
267 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
268 }
269
270 /**
271 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
272 * @fc: frame control bytes in little-endian byteorder
273 */
274 static inline bool ieee80211_has_fromds(__le16 fc)
275 {
276 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
277 }
278
279 /**
280 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
281 * @fc: frame control bytes in little-endian byteorder
282 */
283 static inline bool ieee80211_has_a4(__le16 fc)
284 {
285 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
286 return (fc & tmp) == tmp;
287 }
288
289 /**
290 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
291 * @fc: frame control bytes in little-endian byteorder
292 */
293 static inline bool ieee80211_has_morefrags(__le16 fc)
294 {
295 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
296 }
297
298 /**
299 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
300 * @fc: frame control bytes in little-endian byteorder
301 */
302 static inline bool ieee80211_has_retry(__le16 fc)
303 {
304 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
305 }
306
307 /**
308 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
309 * @fc: frame control bytes in little-endian byteorder
310 */
311 static inline bool ieee80211_has_pm(__le16 fc)
312 {
313 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
314 }
315
316 /**
317 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
318 * @fc: frame control bytes in little-endian byteorder
319 */
320 static inline bool ieee80211_has_moredata(__le16 fc)
321 {
322 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
323 }
324
325 /**
326 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
327 * @fc: frame control bytes in little-endian byteorder
328 */
329 static inline bool ieee80211_has_protected(__le16 fc)
330 {
331 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
332 }
333
334 /**
335 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
336 * @fc: frame control bytes in little-endian byteorder
337 */
338 static inline bool ieee80211_has_order(__le16 fc)
339 {
340 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
341 }
342
343 /**
344 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
345 * @fc: frame control bytes in little-endian byteorder
346 */
347 static inline bool ieee80211_is_mgmt(__le16 fc)
348 {
349 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT);
351 }
352
353 /**
354 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
355 * @fc: frame control bytes in little-endian byteorder
356 */
357 static inline bool ieee80211_is_ctl(__le16 fc)
358 {
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
360 cpu_to_le16(IEEE80211_FTYPE_CTL);
361 }
362
363 /**
364 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
365 * @fc: frame control bytes in little-endian byteorder
366 */
367 static inline bool ieee80211_is_data(__le16 fc)
368 {
369 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
370 cpu_to_le16(IEEE80211_FTYPE_DATA);
371 }
372
373 /**
374 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
375 * @fc: frame control bytes in little-endian byteorder
376 */
377 static inline bool ieee80211_is_data_qos(__le16 fc)
378 {
379 /*
380 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
381 * to check the one bit
382 */
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
384 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
385 }
386
387 /**
388 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
389 * @fc: frame control bytes in little-endian byteorder
390 */
391 static inline bool ieee80211_is_data_present(__le16 fc)
392 {
393 /*
394 * mask with 0x40 and test that that bit is clear to only return true
395 * for the data-containing substypes.
396 */
397 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
398 cpu_to_le16(IEEE80211_FTYPE_DATA);
399 }
400
401 /**
402 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
403 * @fc: frame control bytes in little-endian byteorder
404 */
405 static inline bool ieee80211_is_assoc_req(__le16 fc)
406 {
407 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
408 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
409 }
410
411 /**
412 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
413 * @fc: frame control bytes in little-endian byteorder
414 */
415 static inline bool ieee80211_is_assoc_resp(__le16 fc)
416 {
417 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
418 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
419 }
420
421 /**
422 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
423 * @fc: frame control bytes in little-endian byteorder
424 */
425 static inline bool ieee80211_is_reassoc_req(__le16 fc)
426 {
427 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
428 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
429 }
430
431 /**
432 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
433 * @fc: frame control bytes in little-endian byteorder
434 */
435 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
436 {
437 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
438 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
439 }
440
441 /**
442 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
443 * @fc: frame control bytes in little-endian byteorder
444 */
445 static inline bool ieee80211_is_probe_req(__le16 fc)
446 {
447 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
448 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
449 }
450
451 /**
452 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
453 * @fc: frame control bytes in little-endian byteorder
454 */
455 static inline bool ieee80211_is_probe_resp(__le16 fc)
456 {
457 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
458 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
459 }
460
461 /**
462 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
463 * @fc: frame control bytes in little-endian byteorder
464 */
465 static inline bool ieee80211_is_beacon(__le16 fc)
466 {
467 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
468 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
469 }
470
471 /**
472 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
473 * @fc: frame control bytes in little-endian byteorder
474 */
475 static inline bool ieee80211_is_atim(__le16 fc)
476 {
477 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
478 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
479 }
480
481 /**
482 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
483 * @fc: frame control bytes in little-endian byteorder
484 */
485 static inline bool ieee80211_is_disassoc(__le16 fc)
486 {
487 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
488 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
489 }
490
491 /**
492 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
493 * @fc: frame control bytes in little-endian byteorder
494 */
495 static inline bool ieee80211_is_auth(__le16 fc)
496 {
497 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
498 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
499 }
500
501 /**
502 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
503 * @fc: frame control bytes in little-endian byteorder
504 */
505 static inline bool ieee80211_is_deauth(__le16 fc)
506 {
507 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
508 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
509 }
510
511 /**
512 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
513 * @fc: frame control bytes in little-endian byteorder
514 */
515 static inline bool ieee80211_is_action(__le16 fc)
516 {
517 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
518 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
519 }
520
521 /**
522 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
523 * @fc: frame control bytes in little-endian byteorder
524 */
525 static inline bool ieee80211_is_back_req(__le16 fc)
526 {
527 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
528 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
529 }
530
531 /**
532 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
533 * @fc: frame control bytes in little-endian byteorder
534 */
535 static inline bool ieee80211_is_back(__le16 fc)
536 {
537 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
538 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
539 }
540
541 /**
542 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
543 * @fc: frame control bytes in little-endian byteorder
544 */
545 static inline bool ieee80211_is_pspoll(__le16 fc)
546 {
547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
549 }
550
551 /**
552 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
553 * @fc: frame control bytes in little-endian byteorder
554 */
555 static inline bool ieee80211_is_rts(__le16 fc)
556 {
557 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
558 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
559 }
560
561 /**
562 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
563 * @fc: frame control bytes in little-endian byteorder
564 */
565 static inline bool ieee80211_is_cts(__le16 fc)
566 {
567 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
568 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
569 }
570
571 /**
572 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
573 * @fc: frame control bytes in little-endian byteorder
574 */
575 static inline bool ieee80211_is_ack(__le16 fc)
576 {
577 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
578 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
579 }
580
581 /**
582 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
583 * @fc: frame control bytes in little-endian byteorder
584 */
585 static inline bool ieee80211_is_cfend(__le16 fc)
586 {
587 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
588 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
589 }
590
591 /**
592 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
593 * @fc: frame control bytes in little-endian byteorder
594 */
595 static inline bool ieee80211_is_cfendack(__le16 fc)
596 {
597 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
598 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
599 }
600
601 /**
602 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
603 * @fc: frame control bytes in little-endian byteorder
604 */
605 static inline bool ieee80211_is_nullfunc(__le16 fc)
606 {
607 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
608 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
609 }
610
611 /**
612 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
613 * @fc: frame control bytes in little-endian byteorder
614 */
615 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
616 {
617 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
618 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
619 }
620
621 /**
622 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
623 * @fc: frame control field in little-endian byteorder
624 */
625 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
626 {
627 /* IEEE 802.11-2012, definition of "bufferable management frame";
628 * note that this ignores the IBSS special case. */
629 return ieee80211_is_mgmt(fc) &&
630 (ieee80211_is_action(fc) ||
631 ieee80211_is_disassoc(fc) ||
632 ieee80211_is_deauth(fc));
633 }
634
635 /**
636 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
637 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
638 */
639 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
640 {
641 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
642 }
643
644 /**
645 * ieee80211_is_frag - check if a frame is a fragment
646 * @hdr: 802.11 header of the frame
647 */
648 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
649 {
650 return ieee80211_has_morefrags(hdr->frame_control) ||
651 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
652 }
653
654 struct ieee80211s_hdr {
655 u8 flags;
656 u8 ttl;
657 __le32 seqnum;
658 u8 eaddr1[ETH_ALEN];
659 u8 eaddr2[ETH_ALEN];
660 } __packed __aligned(2);
661
662 /* Mesh flags */
663 #define MESH_FLAGS_AE_A4 0x1
664 #define MESH_FLAGS_AE_A5_A6 0x2
665 #define MESH_FLAGS_AE 0x3
666 #define MESH_FLAGS_PS_DEEP 0x4
667
668 /**
669 * enum ieee80211_preq_flags - mesh PREQ element flags
670 *
671 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
672 */
673 enum ieee80211_preq_flags {
674 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
675 };
676
677 /**
678 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
679 *
680 * @IEEE80211_PREQ_TO_FLAG: target only subfield
681 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
682 */
683 enum ieee80211_preq_target_flags {
684 IEEE80211_PREQ_TO_FLAG = 1<<0,
685 IEEE80211_PREQ_USN_FLAG = 1<<2,
686 };
687
688 /**
689 * struct ieee80211_quiet_ie
690 *
691 * This structure refers to "Quiet information element"
692 */
693 struct ieee80211_quiet_ie {
694 u8 count;
695 u8 period;
696 __le16 duration;
697 __le16 offset;
698 } __packed;
699
700 /**
701 * struct ieee80211_msrment_ie
702 *
703 * This structure refers to "Measurement Request/Report information element"
704 */
705 struct ieee80211_msrment_ie {
706 u8 token;
707 u8 mode;
708 u8 type;
709 u8 request[0];
710 } __packed;
711
712 /**
713 * struct ieee80211_channel_sw_ie
714 *
715 * This structure refers to "Channel Switch Announcement information element"
716 */
717 struct ieee80211_channel_sw_ie {
718 u8 mode;
719 u8 new_ch_num;
720 u8 count;
721 } __packed;
722
723 /**
724 * struct ieee80211_ext_chansw_ie
725 *
726 * This structure represents the "Extended Channel Switch Announcement element"
727 */
728 struct ieee80211_ext_chansw_ie {
729 u8 mode;
730 u8 new_operating_class;
731 u8 new_ch_num;
732 u8 count;
733 } __packed;
734
735 /**
736 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
737 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
738 * values here
739 * This structure represents the "Secondary Channel Offset element"
740 */
741 struct ieee80211_sec_chan_offs_ie {
742 u8 sec_chan_offs;
743 } __packed;
744
745 /**
746 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
747 *
748 * This structure represents the "Mesh Channel Switch Paramters element"
749 */
750 struct ieee80211_mesh_chansw_params_ie {
751 u8 mesh_ttl;
752 u8 mesh_flags;
753 __le16 mesh_reason;
754 __le16 mesh_pre_value;
755 } __packed;
756
757 /**
758 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
759 */
760 struct ieee80211_wide_bw_chansw_ie {
761 u8 new_channel_width;
762 u8 new_center_freq_seg0, new_center_freq_seg1;
763 } __packed;
764
765 /**
766 * struct ieee80211_tim
767 *
768 * This structure refers to "Traffic Indication Map information element"
769 */
770 struct ieee80211_tim_ie {
771 u8 dtim_count;
772 u8 dtim_period;
773 u8 bitmap_ctrl;
774 /* variable size: 1 - 251 bytes */
775 u8 virtual_map[1];
776 } __packed;
777
778 /**
779 * struct ieee80211_meshconf_ie
780 *
781 * This structure refers to "Mesh Configuration information element"
782 */
783 struct ieee80211_meshconf_ie {
784 u8 meshconf_psel;
785 u8 meshconf_pmetric;
786 u8 meshconf_congest;
787 u8 meshconf_synch;
788 u8 meshconf_auth;
789 u8 meshconf_form;
790 u8 meshconf_cap;
791 } __packed;
792
793 /**
794 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
795 *
796 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
797 * additional mesh peerings with other mesh STAs
798 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
799 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
800 * is ongoing
801 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
802 * neighbors in deep sleep mode
803 */
804 enum mesh_config_capab_flags {
805 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
806 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
807 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
808 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
809 };
810
811 /**
812 * mesh channel switch parameters element's flag indicator
813 *
814 */
815 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
816 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
817 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
818
819 /**
820 * struct ieee80211_rann_ie
821 *
822 * This structure refers to "Root Announcement information element"
823 */
824 struct ieee80211_rann_ie {
825 u8 rann_flags;
826 u8 rann_hopcount;
827 u8 rann_ttl;
828 u8 rann_addr[ETH_ALEN];
829 __le32 rann_seq;
830 __le32 rann_interval;
831 __le32 rann_metric;
832 } __packed;
833
834 enum ieee80211_rann_flags {
835 RANN_FLAG_IS_GATE = 1 << 0,
836 };
837
838 enum ieee80211_ht_chanwidth_values {
839 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
840 IEEE80211_HT_CHANWIDTH_ANY = 1,
841 };
842
843 /**
844 * enum ieee80211_opmode_bits - VHT operating mode field bits
845 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
846 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
847 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
850 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
851 * (the NSS value is the value of this field + 1)
852 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
854 * using a beamforming steering matrix
855 */
856 enum ieee80211_vht_opmode_bits {
857 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
858 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
859 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
862 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
863 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
864 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
865 };
866
867 #define WLAN_SA_QUERY_TR_ID_LEN 2
868 #define WLAN_MEMBERSHIP_LEN 8
869 #define WLAN_USER_POSITION_LEN 16
870
871 /**
872 * struct ieee80211_tpc_report_ie
873 *
874 * This structure refers to "TPC Report element"
875 */
876 struct ieee80211_tpc_report_ie {
877 u8 tx_power;
878 u8 link_margin;
879 } __packed;
880
881 struct ieee80211_mgmt {
882 __le16 frame_control;
883 __le16 duration;
884 u8 da[ETH_ALEN];
885 u8 sa[ETH_ALEN];
886 u8 bssid[ETH_ALEN];
887 __le16 seq_ctrl;
888 union {
889 struct {
890 __le16 auth_alg;
891 __le16 auth_transaction;
892 __le16 status_code;
893 /* possibly followed by Challenge text */
894 u8 variable[0];
895 } __packed auth;
896 struct {
897 __le16 reason_code;
898 } __packed deauth;
899 struct {
900 __le16 capab_info;
901 __le16 listen_interval;
902 /* followed by SSID and Supported rates */
903 u8 variable[0];
904 } __packed assoc_req;
905 struct {
906 __le16 capab_info;
907 __le16 status_code;
908 __le16 aid;
909 /* followed by Supported rates */
910 u8 variable[0];
911 } __packed assoc_resp, reassoc_resp;
912 struct {
913 __le16 capab_info;
914 __le16 listen_interval;
915 u8 current_ap[ETH_ALEN];
916 /* followed by SSID and Supported rates */
917 u8 variable[0];
918 } __packed reassoc_req;
919 struct {
920 __le16 reason_code;
921 } __packed disassoc;
922 struct {
923 __le64 timestamp;
924 __le16 beacon_int;
925 __le16 capab_info;
926 /* followed by some of SSID, Supported rates,
927 * FH Params, DS Params, CF Params, IBSS Params, TIM */
928 u8 variable[0];
929 } __packed beacon;
930 struct {
931 /* only variable items: SSID, Supported rates */
932 u8 variable[0];
933 } __packed probe_req;
934 struct {
935 __le64 timestamp;
936 __le16 beacon_int;
937 __le16 capab_info;
938 /* followed by some of SSID, Supported rates,
939 * FH Params, DS Params, CF Params, IBSS Params */
940 u8 variable[0];
941 } __packed probe_resp;
942 struct {
943 u8 category;
944 union {
945 struct {
946 u8 action_code;
947 u8 dialog_token;
948 u8 status_code;
949 u8 variable[0];
950 } __packed wme_action;
951 struct{
952 u8 action_code;
953 u8 variable[0];
954 } __packed chan_switch;
955 struct{
956 u8 action_code;
957 struct ieee80211_ext_chansw_ie data;
958 u8 variable[0];
959 } __packed ext_chan_switch;
960 struct{
961 u8 action_code;
962 u8 dialog_token;
963 u8 element_id;
964 u8 length;
965 struct ieee80211_msrment_ie msr_elem;
966 } __packed measurement;
967 struct{
968 u8 action_code;
969 u8 dialog_token;
970 __le16 capab;
971 __le16 timeout;
972 __le16 start_seq_num;
973 } __packed addba_req;
974 struct{
975 u8 action_code;
976 u8 dialog_token;
977 __le16 status;
978 __le16 capab;
979 __le16 timeout;
980 } __packed addba_resp;
981 struct{
982 u8 action_code;
983 __le16 params;
984 __le16 reason_code;
985 } __packed delba;
986 struct {
987 u8 action_code;
988 u8 variable[0];
989 } __packed self_prot;
990 struct{
991 u8 action_code;
992 u8 variable[0];
993 } __packed mesh_action;
994 struct {
995 u8 action;
996 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
997 } __packed sa_query;
998 struct {
999 u8 action;
1000 u8 smps_control;
1001 } __packed ht_smps;
1002 struct {
1003 u8 action_code;
1004 u8 chanwidth;
1005 } __packed ht_notify_cw;
1006 struct {
1007 u8 action_code;
1008 u8 dialog_token;
1009 __le16 capability;
1010 u8 variable[0];
1011 } __packed tdls_discover_resp;
1012 struct {
1013 u8 action_code;
1014 u8 operating_mode;
1015 } __packed vht_opmode_notif;
1016 struct {
1017 u8 action_code;
1018 u8 membership[WLAN_MEMBERSHIP_LEN];
1019 u8 position[WLAN_USER_POSITION_LEN];
1020 } __packed vht_group_notif;
1021 struct {
1022 u8 action_code;
1023 u8 dialog_token;
1024 u8 tpc_elem_id;
1025 u8 tpc_elem_length;
1026 struct ieee80211_tpc_report_ie tpc;
1027 } __packed tpc_report;
1028 struct {
1029 u8 action_code;
1030 u8 dialog_token;
1031 u8 follow_up;
1032 u8 tod[6];
1033 u8 toa[6];
1034 __le16 tod_error;
1035 __le16 toa_error;
1036 u8 variable[0];
1037 } __packed ftm;
1038 } u;
1039 } __packed action;
1040 } u;
1041 } __packed __aligned(2);
1042
1043 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1044 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1045
1046 /* mgmt header + 1 byte category code */
1047 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1048
1049
1050 /* Management MIC information element (IEEE 802.11w) */
1051 struct ieee80211_mmie {
1052 u8 element_id;
1053 u8 length;
1054 __le16 key_id;
1055 u8 sequence_number[6];
1056 u8 mic[8];
1057 } __packed;
1058
1059 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1060 struct ieee80211_mmie_16 {
1061 u8 element_id;
1062 u8 length;
1063 __le16 key_id;
1064 u8 sequence_number[6];
1065 u8 mic[16];
1066 } __packed;
1067
1068 struct ieee80211_vendor_ie {
1069 u8 element_id;
1070 u8 len;
1071 u8 oui[3];
1072 u8 oui_type;
1073 } __packed;
1074
1075 struct ieee80211_wmm_ac_param {
1076 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1077 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1078 __le16 txop_limit;
1079 } __packed;
1080
1081 struct ieee80211_wmm_param_ie {
1082 u8 element_id; /* Element ID: 221 (0xdd); */
1083 u8 len; /* Length: 24 */
1084 /* required fields for WMM version 1 */
1085 u8 oui[3]; /* 00:50:f2 */
1086 u8 oui_type; /* 2 */
1087 u8 oui_subtype; /* 1 */
1088 u8 version; /* 1 for WMM version 1.0 */
1089 u8 qos_info; /* AP/STA specific QoS info */
1090 u8 reserved; /* 0 */
1091 /* AC_BE, AC_BK, AC_VI, AC_VO */
1092 struct ieee80211_wmm_ac_param ac[4];
1093 } __packed;
1094
1095 /* Control frames */
1096 struct ieee80211_rts {
1097 __le16 frame_control;
1098 __le16 duration;
1099 u8 ra[ETH_ALEN];
1100 u8 ta[ETH_ALEN];
1101 } __packed __aligned(2);
1102
1103 struct ieee80211_cts {
1104 __le16 frame_control;
1105 __le16 duration;
1106 u8 ra[ETH_ALEN];
1107 } __packed __aligned(2);
1108
1109 struct ieee80211_pspoll {
1110 __le16 frame_control;
1111 __le16 aid;
1112 u8 bssid[ETH_ALEN];
1113 u8 ta[ETH_ALEN];
1114 } __packed __aligned(2);
1115
1116 /* TDLS */
1117
1118 /* Channel switch timing */
1119 struct ieee80211_ch_switch_timing {
1120 __le16 switch_time;
1121 __le16 switch_timeout;
1122 } __packed;
1123
1124 /* Link-id information element */
1125 struct ieee80211_tdls_lnkie {
1126 u8 ie_type; /* Link Identifier IE */
1127 u8 ie_len;
1128 u8 bssid[ETH_ALEN];
1129 u8 init_sta[ETH_ALEN];
1130 u8 resp_sta[ETH_ALEN];
1131 } __packed;
1132
1133 struct ieee80211_tdls_data {
1134 u8 da[ETH_ALEN];
1135 u8 sa[ETH_ALEN];
1136 __be16 ether_type;
1137 u8 payload_type;
1138 u8 category;
1139 u8 action_code;
1140 union {
1141 struct {
1142 u8 dialog_token;
1143 __le16 capability;
1144 u8 variable[0];
1145 } __packed setup_req;
1146 struct {
1147 __le16 status_code;
1148 u8 dialog_token;
1149 __le16 capability;
1150 u8 variable[0];
1151 } __packed setup_resp;
1152 struct {
1153 __le16 status_code;
1154 u8 dialog_token;
1155 u8 variable[0];
1156 } __packed setup_cfm;
1157 struct {
1158 __le16 reason_code;
1159 u8 variable[0];
1160 } __packed teardown;
1161 struct {
1162 u8 dialog_token;
1163 u8 variable[0];
1164 } __packed discover_req;
1165 struct {
1166 u8 target_channel;
1167 u8 oper_class;
1168 u8 variable[0];
1169 } __packed chan_switch_req;
1170 struct {
1171 __le16 status_code;
1172 u8 variable[0];
1173 } __packed chan_switch_resp;
1174 } u;
1175 } __packed;
1176
1177 /*
1178 * Peer-to-Peer IE attribute related definitions.
1179 */
1180 /**
1181 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1182 */
1183 enum ieee80211_p2p_attr_id {
1184 IEEE80211_P2P_ATTR_STATUS = 0,
1185 IEEE80211_P2P_ATTR_MINOR_REASON,
1186 IEEE80211_P2P_ATTR_CAPABILITY,
1187 IEEE80211_P2P_ATTR_DEVICE_ID,
1188 IEEE80211_P2P_ATTR_GO_INTENT,
1189 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1190 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1191 IEEE80211_P2P_ATTR_GROUP_BSSID,
1192 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1193 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1194 IEEE80211_P2P_ATTR_MANAGABILITY,
1195 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1196 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1197 IEEE80211_P2P_ATTR_DEVICE_INFO,
1198 IEEE80211_P2P_ATTR_GROUP_INFO,
1199 IEEE80211_P2P_ATTR_GROUP_ID,
1200 IEEE80211_P2P_ATTR_INTERFACE,
1201 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1202 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1203 /* 19 - 220: Reserved */
1204 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1205
1206 IEEE80211_P2P_ATTR_MAX
1207 };
1208
1209 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1210 /* Typical max value used here */
1211 #define IEEE80211_P2P_NOA_DESC_MAX 4
1212
1213 struct ieee80211_p2p_noa_desc {
1214 u8 count;
1215 __le32 duration;
1216 __le32 interval;
1217 __le32 start_time;
1218 } __packed;
1219
1220 struct ieee80211_p2p_noa_attr {
1221 u8 index;
1222 u8 oppps_ctwindow;
1223 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1224 } __packed;
1225
1226 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1227 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1228
1229 /**
1230 * struct ieee80211_bar - HT Block Ack Request
1231 *
1232 * This structure refers to "HT BlockAckReq" as
1233 * described in 802.11n draft section 7.2.1.7.1
1234 */
1235 struct ieee80211_bar {
1236 __le16 frame_control;
1237 __le16 duration;
1238 __u8 ra[ETH_ALEN];
1239 __u8 ta[ETH_ALEN];
1240 __le16 control;
1241 __le16 start_seq_num;
1242 } __packed;
1243
1244 /* 802.11 BAR control masks */
1245 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1246 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1247 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1248 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1249 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1250
1251 #define IEEE80211_HT_MCS_MASK_LEN 10
1252
1253 /**
1254 * struct ieee80211_mcs_info - MCS information
1255 * @rx_mask: RX mask
1256 * @rx_highest: highest supported RX rate. If set represents
1257 * the highest supported RX data rate in units of 1 Mbps.
1258 * If this field is 0 this value should not be used to
1259 * consider the highest RX data rate supported.
1260 * @tx_params: TX parameters
1261 */
1262 struct ieee80211_mcs_info {
1263 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1264 __le16 rx_highest;
1265 u8 tx_params;
1266 u8 reserved[3];
1267 } __packed;
1268
1269 /* 802.11n HT capability MSC set */
1270 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1271 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1272 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1273 /* value 0 == 1 stream etc */
1274 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1275 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1276 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1277 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1278
1279 /*
1280 * 802.11n D5.0 20.3.5 / 20.6 says:
1281 * - indices 0 to 7 and 32 are single spatial stream
1282 * - 8 to 31 are multiple spatial streams using equal modulation
1283 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1284 * - remainder are multiple spatial streams using unequal modulation
1285 */
1286 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1287 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1288 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1289
1290 /**
1291 * struct ieee80211_ht_cap - HT capabilities
1292 *
1293 * This structure is the "HT capabilities element" as
1294 * described in 802.11n D5.0 7.3.2.57
1295 */
1296 struct ieee80211_ht_cap {
1297 __le16 cap_info;
1298 u8 ampdu_params_info;
1299
1300 /* 16 bytes MCS information */
1301 struct ieee80211_mcs_info mcs;
1302
1303 __le16 extended_ht_cap_info;
1304 __le32 tx_BF_cap_info;
1305 u8 antenna_selection_info;
1306 } __packed;
1307
1308 /* 802.11n HT capabilities masks (for cap_info) */
1309 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1310 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1311 #define IEEE80211_HT_CAP_SM_PS 0x000C
1312 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1313 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1314 #define IEEE80211_HT_CAP_SGI_20 0x0020
1315 #define IEEE80211_HT_CAP_SGI_40 0x0040
1316 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1317 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1318 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1319 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1320 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1321 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1322 #define IEEE80211_HT_CAP_RESERVED 0x2000
1323 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1324 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1325
1326 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1327 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1328 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1329 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1330 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1331 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1332 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1333 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1334
1335 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1336 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1337 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1338 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1339
1340 /*
1341 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1342 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1343 */
1344 enum ieee80211_max_ampdu_length_exp {
1345 IEEE80211_HT_MAX_AMPDU_8K = 0,
1346 IEEE80211_HT_MAX_AMPDU_16K = 1,
1347 IEEE80211_HT_MAX_AMPDU_32K = 2,
1348 IEEE80211_HT_MAX_AMPDU_64K = 3
1349 };
1350
1351 /*
1352 * Maximum length of AMPDU that the STA can receive in VHT.
1353 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1354 */
1355 enum ieee80211_vht_max_ampdu_length_exp {
1356 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1357 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1358 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1359 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1360 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1361 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1362 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1363 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1364 };
1365
1366 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1367
1368 /* Minimum MPDU start spacing */
1369 enum ieee80211_min_mpdu_spacing {
1370 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1371 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1372 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1373 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1374 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1375 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1376 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1377 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1378 };
1379
1380 /**
1381 * struct ieee80211_ht_operation - HT operation IE
1382 *
1383 * This structure is the "HT operation element" as
1384 * described in 802.11n-2009 7.3.2.57
1385 */
1386 struct ieee80211_ht_operation {
1387 u8 primary_chan;
1388 u8 ht_param;
1389 __le16 operation_mode;
1390 __le16 stbc_param;
1391 u8 basic_set[16];
1392 } __packed;
1393
1394 /* for ht_param */
1395 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1396 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1397 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1398 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1399 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1400 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1401
1402 /* for operation_mode */
1403 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1404 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1405 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1406 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1407 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1408 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1409 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1410
1411 /* for stbc_param */
1412 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1413 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1414 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1415 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1416 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1417 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1418
1419
1420 /* block-ack parameters */
1421 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1422 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1423 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1424 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1425 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1426 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1427
1428 /*
1429 * A-PMDU buffer sizes
1430 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1431 */
1432 #define IEEE80211_MIN_AMPDU_BUF 0x8
1433 #define IEEE80211_MAX_AMPDU_BUF 0x40
1434
1435
1436 /* Spatial Multiplexing Power Save Modes (for capability) */
1437 #define WLAN_HT_CAP_SM_PS_STATIC 0
1438 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1439 #define WLAN_HT_CAP_SM_PS_INVALID 2
1440 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1441
1442 /* for SM power control field lower two bits */
1443 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1444 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1445 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1446
1447 /**
1448 * struct ieee80211_vht_mcs_info - VHT MCS information
1449 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1450 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1451 * STA can receive. Rate expressed in units of 1 Mbps.
1452 * If this field is 0 this value should not be used to
1453 * consider the highest RX data rate supported.
1454 * The top 3 bits of this field are reserved.
1455 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1456 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1457 * STA can transmit. Rate expressed in units of 1 Mbps.
1458 * If this field is 0 this value should not be used to
1459 * consider the highest TX data rate supported.
1460 * The top 3 bits of this field are reserved.
1461 */
1462 struct ieee80211_vht_mcs_info {
1463 __le16 rx_mcs_map;
1464 __le16 rx_highest;
1465 __le16 tx_mcs_map;
1466 __le16 tx_highest;
1467 } __packed;
1468
1469 /**
1470 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1471 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1472 * number of streams
1473 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1474 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1475 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1476 *
1477 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1478 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1479 * both split into 8 subfields by number of streams. These values indicate
1480 * which MCSes are supported for the number of streams the value appears
1481 * for.
1482 */
1483 enum ieee80211_vht_mcs_support {
1484 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1485 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1486 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1487 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1488 };
1489
1490 /**
1491 * struct ieee80211_vht_cap - VHT capabilities
1492 *
1493 * This structure is the "VHT capabilities element" as
1494 * described in 802.11ac D3.0 8.4.2.160
1495 * @vht_cap_info: VHT capability info
1496 * @supp_mcs: VHT MCS supported rates
1497 */
1498 struct ieee80211_vht_cap {
1499 __le32 vht_cap_info;
1500 struct ieee80211_vht_mcs_info supp_mcs;
1501 } __packed;
1502
1503 /**
1504 * enum ieee80211_vht_chanwidth - VHT channel width
1505 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1506 * determine the channel width (20 or 40 MHz)
1507 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1508 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1509 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1510 */
1511 enum ieee80211_vht_chanwidth {
1512 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1513 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1514 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1515 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1516 };
1517
1518 /**
1519 * struct ieee80211_vht_operation - VHT operation IE
1520 *
1521 * This structure is the "VHT operation element" as
1522 * described in 802.11ac D3.0 8.4.2.161
1523 * @chan_width: Operating channel width
1524 * @center_freq_seg1_idx: center freq segment 1 index
1525 * @center_freq_seg2_idx: center freq segment 2 index
1526 * @basic_mcs_set: VHT Basic MCS rate set
1527 */
1528 struct ieee80211_vht_operation {
1529 u8 chan_width;
1530 u8 center_freq_seg1_idx;
1531 u8 center_freq_seg2_idx;
1532 __le16 basic_mcs_set;
1533 } __packed;
1534
1535
1536 /* 802.11ac VHT Capabilities */
1537 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1538 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1539 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1540 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1541 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1542 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1543 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1544 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1545 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1546 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1547 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1548 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1549 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1550 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1551 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1552 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1553 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1554 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1555 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1556 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1557 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1558 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1559 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1560 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1561 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1562 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1563 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1564 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1565 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1566 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1567 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1568 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1569 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1570 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1571 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1572
1573 /* Authentication algorithms */
1574 #define WLAN_AUTH_OPEN 0
1575 #define WLAN_AUTH_SHARED_KEY 1
1576 #define WLAN_AUTH_FT 2
1577 #define WLAN_AUTH_SAE 3
1578 #define WLAN_AUTH_LEAP 128
1579
1580 #define WLAN_AUTH_CHALLENGE_LEN 128
1581
1582 #define WLAN_CAPABILITY_ESS (1<<0)
1583 #define WLAN_CAPABILITY_IBSS (1<<1)
1584
1585 /*
1586 * A mesh STA sets the ESS and IBSS capability bits to zero.
1587 * however, this holds true for p2p probe responses (in the p2p_find
1588 * phase) as well.
1589 */
1590 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1591 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1592
1593 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1594 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1595 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1596 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1597 #define WLAN_CAPABILITY_PBCC (1<<6)
1598 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1599
1600 /* 802.11h */
1601 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1602 #define WLAN_CAPABILITY_QOS (1<<9)
1603 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1604 #define WLAN_CAPABILITY_APSD (1<<11)
1605 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1606 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1607 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1608 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1609
1610 /* DMG (60gHz) 802.11ad */
1611 /* type - bits 0..1 */
1612 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1613 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1614 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1615 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1616
1617 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1618 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1619 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1620 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1621
1622 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1623 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1624
1625 /* measurement */
1626 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1627 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1628 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1629
1630 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1631 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1632 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1633
1634 /* 802.11g ERP information element */
1635 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1636 #define WLAN_ERP_USE_PROTECTION (1<<1)
1637 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1638
1639 /* WLAN_ERP_BARKER_PREAMBLE values */
1640 enum {
1641 WLAN_ERP_PREAMBLE_SHORT = 0,
1642 WLAN_ERP_PREAMBLE_LONG = 1,
1643 };
1644
1645 /* Band ID, 802.11ad #8.4.1.45 */
1646 enum {
1647 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1648 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1649 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1650 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1651 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1652 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1653 };
1654
1655 /* Status codes */
1656 enum ieee80211_statuscode {
1657 WLAN_STATUS_SUCCESS = 0,
1658 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1659 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1660 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1661 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1662 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1663 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1664 WLAN_STATUS_CHALLENGE_FAIL = 15,
1665 WLAN_STATUS_AUTH_TIMEOUT = 16,
1666 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1667 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1668 /* 802.11b */
1669 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1670 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1671 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1672 /* 802.11h */
1673 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1674 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1675 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1676 /* 802.11g */
1677 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1678 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1679 /* 802.11w */
1680 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1681 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1682 /* 802.11i */
1683 WLAN_STATUS_INVALID_IE = 40,
1684 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1685 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1686 WLAN_STATUS_INVALID_AKMP = 43,
1687 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1688 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1689 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1690 /* 802.11e */
1691 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1692 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1693 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1694 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1695 WLAN_STATUS_REQUEST_DECLINED = 37,
1696 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1697 WLAN_STATUS_CHANGE_TSPEC = 39,
1698 WLAN_STATUS_WAIT_TS_DELAY = 47,
1699 WLAN_STATUS_NO_DIRECT_LINK = 48,
1700 WLAN_STATUS_STA_NOT_PRESENT = 49,
1701 WLAN_STATUS_STA_NOT_QSTA = 50,
1702 /* 802.11s */
1703 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1704 WLAN_STATUS_FCG_NOT_SUPP = 78,
1705 WLAN_STATUS_STA_NO_TBTT = 78,
1706 /* 802.11ad */
1707 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1708 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1709 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1710 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1711 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1712 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1713 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1714 WLAN_STATUS_REJECT_DSE_BAND = 96,
1715 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1716 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1717 };
1718
1719
1720 /* Reason codes */
1721 enum ieee80211_reasoncode {
1722 WLAN_REASON_UNSPECIFIED = 1,
1723 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1724 WLAN_REASON_DEAUTH_LEAVING = 3,
1725 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1726 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1727 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1728 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1729 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1730 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1731 /* 802.11h */
1732 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1733 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1734 /* 802.11i */
1735 WLAN_REASON_INVALID_IE = 13,
1736 WLAN_REASON_MIC_FAILURE = 14,
1737 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1738 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1739 WLAN_REASON_IE_DIFFERENT = 17,
1740 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1741 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1742 WLAN_REASON_INVALID_AKMP = 20,
1743 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1744 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1745 WLAN_REASON_IEEE8021X_FAILED = 23,
1746 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1747 /* TDLS (802.11z) */
1748 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1749 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1750 /* 802.11e */
1751 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1752 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1753 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1754 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1755 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1756 WLAN_REASON_QSTA_NOT_USE = 37,
1757 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1758 WLAN_REASON_QSTA_TIMEOUT = 39,
1759 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1760 /* 802.11s */
1761 WLAN_REASON_MESH_PEER_CANCELED = 52,
1762 WLAN_REASON_MESH_MAX_PEERS = 53,
1763 WLAN_REASON_MESH_CONFIG = 54,
1764 WLAN_REASON_MESH_CLOSE = 55,
1765 WLAN_REASON_MESH_MAX_RETRIES = 56,
1766 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1767 WLAN_REASON_MESH_INVALID_GTK = 58,
1768 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1769 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1770 WLAN_REASON_MESH_PATH_ERROR = 61,
1771 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1772 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1773 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1774 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1775 WLAN_REASON_MESH_CHAN = 66,
1776 };
1777
1778
1779 /* Information Element IDs */
1780 enum ieee80211_eid {
1781 WLAN_EID_SSID = 0,
1782 WLAN_EID_SUPP_RATES = 1,
1783 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1784 WLAN_EID_DS_PARAMS = 3,
1785 WLAN_EID_CF_PARAMS = 4,
1786 WLAN_EID_TIM = 5,
1787 WLAN_EID_IBSS_PARAMS = 6,
1788 WLAN_EID_COUNTRY = 7,
1789 /* 8, 9 reserved */
1790 WLAN_EID_REQUEST = 10,
1791 WLAN_EID_QBSS_LOAD = 11,
1792 WLAN_EID_EDCA_PARAM_SET = 12,
1793 WLAN_EID_TSPEC = 13,
1794 WLAN_EID_TCLAS = 14,
1795 WLAN_EID_SCHEDULE = 15,
1796 WLAN_EID_CHALLENGE = 16,
1797 /* 17-31 reserved for challenge text extension */
1798 WLAN_EID_PWR_CONSTRAINT = 32,
1799 WLAN_EID_PWR_CAPABILITY = 33,
1800 WLAN_EID_TPC_REQUEST = 34,
1801 WLAN_EID_TPC_REPORT = 35,
1802 WLAN_EID_SUPPORTED_CHANNELS = 36,
1803 WLAN_EID_CHANNEL_SWITCH = 37,
1804 WLAN_EID_MEASURE_REQUEST = 38,
1805 WLAN_EID_MEASURE_REPORT = 39,
1806 WLAN_EID_QUIET = 40,
1807 WLAN_EID_IBSS_DFS = 41,
1808 WLAN_EID_ERP_INFO = 42,
1809 WLAN_EID_TS_DELAY = 43,
1810 WLAN_EID_TCLAS_PROCESSING = 44,
1811 WLAN_EID_HT_CAPABILITY = 45,
1812 WLAN_EID_QOS_CAPA = 46,
1813 /* 47 reserved for Broadcom */
1814 WLAN_EID_RSN = 48,
1815 WLAN_EID_802_15_COEX = 49,
1816 WLAN_EID_EXT_SUPP_RATES = 50,
1817 WLAN_EID_AP_CHAN_REPORT = 51,
1818 WLAN_EID_NEIGHBOR_REPORT = 52,
1819 WLAN_EID_RCPI = 53,
1820 WLAN_EID_MOBILITY_DOMAIN = 54,
1821 WLAN_EID_FAST_BSS_TRANSITION = 55,
1822 WLAN_EID_TIMEOUT_INTERVAL = 56,
1823 WLAN_EID_RIC_DATA = 57,
1824 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1825 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1826 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1827 WLAN_EID_HT_OPERATION = 61,
1828 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1829 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1830 WLAN_EID_ANTENNA_INFO = 64,
1831 WLAN_EID_RSNI = 65,
1832 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1833 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1834 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1835 WLAN_EID_TIME_ADVERTISEMENT = 69,
1836 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1837 WLAN_EID_MULTIPLE_BSSID = 71,
1838 WLAN_EID_BSS_COEX_2040 = 72,
1839 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1840 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1841 WLAN_EID_RIC_DESCRIPTOR = 75,
1842 WLAN_EID_MMIE = 76,
1843 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1844 WLAN_EID_EVENT_REQUEST = 78,
1845 WLAN_EID_EVENT_REPORT = 79,
1846 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1847 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1848 WLAN_EID_LOCATION_PARAMS = 82,
1849 WLAN_EID_NON_TX_BSSID_CAP = 83,
1850 WLAN_EID_SSID_LIST = 84,
1851 WLAN_EID_MULTI_BSSID_IDX = 85,
1852 WLAN_EID_FMS_DESCRIPTOR = 86,
1853 WLAN_EID_FMS_REQUEST = 87,
1854 WLAN_EID_FMS_RESPONSE = 88,
1855 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1856 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1857 WLAN_EID_TSF_REQUEST = 91,
1858 WLAN_EID_TSF_RESPOSNE = 92,
1859 WLAN_EID_WNM_SLEEP_MODE = 93,
1860 WLAN_EID_TIM_BCAST_REQ = 94,
1861 WLAN_EID_TIM_BCAST_RESP = 95,
1862 WLAN_EID_COLL_IF_REPORT = 96,
1863 WLAN_EID_CHANNEL_USAGE = 97,
1864 WLAN_EID_TIME_ZONE = 98,
1865 WLAN_EID_DMS_REQUEST = 99,
1866 WLAN_EID_DMS_RESPONSE = 100,
1867 WLAN_EID_LINK_ID = 101,
1868 WLAN_EID_WAKEUP_SCHEDUL = 102,
1869 /* 103 reserved */
1870 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1871 WLAN_EID_PTI_CONTROL = 105,
1872 WLAN_EID_PU_BUFFER_STATUS = 106,
1873 WLAN_EID_INTERWORKING = 107,
1874 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1875 WLAN_EID_EXPEDITED_BW_REQ = 109,
1876 WLAN_EID_QOS_MAP_SET = 110,
1877 WLAN_EID_ROAMING_CONSORTIUM = 111,
1878 WLAN_EID_EMERGENCY_ALERT = 112,
1879 WLAN_EID_MESH_CONFIG = 113,
1880 WLAN_EID_MESH_ID = 114,
1881 WLAN_EID_LINK_METRIC_REPORT = 115,
1882 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1883 WLAN_EID_PEER_MGMT = 117,
1884 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1885 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1886 WLAN_EID_BEACON_TIMING = 120,
1887 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1888 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1889 WLAN_EID_MCCAOP_ADVERT = 123,
1890 WLAN_EID_MCCAOP_TEARDOWN = 124,
1891 WLAN_EID_GANN = 125,
1892 WLAN_EID_RANN = 126,
1893 WLAN_EID_EXT_CAPABILITY = 127,
1894 /* 128, 129 reserved for Agere */
1895 WLAN_EID_PREQ = 130,
1896 WLAN_EID_PREP = 131,
1897 WLAN_EID_PERR = 132,
1898 /* 133-136 reserved for Cisco */
1899 WLAN_EID_PXU = 137,
1900 WLAN_EID_PXUC = 138,
1901 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1902 WLAN_EID_MIC = 140,
1903 WLAN_EID_DESTINATION_URI = 141,
1904 WLAN_EID_UAPSD_COEX = 142,
1905 WLAN_EID_WAKEUP_SCHEDULE = 143,
1906 WLAN_EID_EXT_SCHEDULE = 144,
1907 WLAN_EID_STA_AVAILABILITY = 145,
1908 WLAN_EID_DMG_TSPEC = 146,
1909 WLAN_EID_DMG_AT = 147,
1910 WLAN_EID_DMG_CAP = 148,
1911 /* 149 reserved for Cisco */
1912 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1913 WLAN_EID_DMG_OPERATION = 151,
1914 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1915 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1916 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1917 /* 155-156 reserved for Cisco */
1918 WLAN_EID_AWAKE_WINDOW = 157,
1919 WLAN_EID_MULTI_BAND = 158,
1920 WLAN_EID_ADDBA_EXT = 159,
1921 WLAN_EID_NEXT_PCP_LIST = 160,
1922 WLAN_EID_PCP_HANDOVER = 161,
1923 WLAN_EID_DMG_LINK_MARGIN = 162,
1924 WLAN_EID_SWITCHING_STREAM = 163,
1925 WLAN_EID_SESSION_TRANSITION = 164,
1926 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1927 WLAN_EID_CLUSTER_REPORT = 166,
1928 WLAN_EID_RELAY_CAP = 167,
1929 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1930 WLAN_EID_BEAM_LINK_MAINT = 169,
1931 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1932 WLAN_EID_U_PID = 171,
1933 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1934 /* 173 reserved for Symbol */
1935 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1936 WLAN_EID_QUIET_PERIOD_REQ = 175,
1937 /* 176 reserved for Symbol */
1938 WLAN_EID_QUIET_PERIOD_RESP = 177,
1939 /* 178-179 reserved for Symbol */
1940 /* 180 reserved for ISO/IEC 20011 */
1941 WLAN_EID_EPAC_POLICY = 182,
1942 WLAN_EID_CLISTER_TIME_OFF = 183,
1943 WLAN_EID_INTER_AC_PRIO = 184,
1944 WLAN_EID_SCS_DESCRIPTOR = 185,
1945 WLAN_EID_QLOAD_REPORT = 186,
1946 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1947 WLAN_EID_HL_STREAM_ID = 188,
1948 WLAN_EID_GCR_GROUP_ADDR = 189,
1949 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1950 WLAN_EID_VHT_CAPABILITY = 191,
1951 WLAN_EID_VHT_OPERATION = 192,
1952 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1953 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1954 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1955 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1956 WLAN_EID_AID = 197,
1957 WLAN_EID_QUIET_CHANNEL = 198,
1958 WLAN_EID_OPMODE_NOTIF = 199,
1959
1960 WLAN_EID_VENDOR_SPECIFIC = 221,
1961 WLAN_EID_QOS_PARAMETER = 222,
1962 };
1963
1964 /* Action category code */
1965 enum ieee80211_category {
1966 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1967 WLAN_CATEGORY_QOS = 1,
1968 WLAN_CATEGORY_DLS = 2,
1969 WLAN_CATEGORY_BACK = 3,
1970 WLAN_CATEGORY_PUBLIC = 4,
1971 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1972 WLAN_CATEGORY_HT = 7,
1973 WLAN_CATEGORY_SA_QUERY = 8,
1974 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1975 WLAN_CATEGORY_WNM = 10,
1976 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
1977 WLAN_CATEGORY_TDLS = 12,
1978 WLAN_CATEGORY_MESH_ACTION = 13,
1979 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1980 WLAN_CATEGORY_SELF_PROTECTED = 15,
1981 WLAN_CATEGORY_DMG = 16,
1982 WLAN_CATEGORY_WMM = 17,
1983 WLAN_CATEGORY_FST = 18,
1984 WLAN_CATEGORY_UNPROT_DMG = 20,
1985 WLAN_CATEGORY_VHT = 21,
1986 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1987 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1988 };
1989
1990 /* SPECTRUM_MGMT action code */
1991 enum ieee80211_spectrum_mgmt_actioncode {
1992 WLAN_ACTION_SPCT_MSR_REQ = 0,
1993 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1994 WLAN_ACTION_SPCT_TPC_REQ = 2,
1995 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1996 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1997 };
1998
1999 /* HT action codes */
2000 enum ieee80211_ht_actioncode {
2001 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2002 WLAN_HT_ACTION_SMPS = 1,
2003 WLAN_HT_ACTION_PSMP = 2,
2004 WLAN_HT_ACTION_PCO_PHASE = 3,
2005 WLAN_HT_ACTION_CSI = 4,
2006 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2007 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2008 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2009 };
2010
2011 /* VHT action codes */
2012 enum ieee80211_vht_actioncode {
2013 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2014 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2015 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2016 };
2017
2018 /* Self Protected Action codes */
2019 enum ieee80211_self_protected_actioncode {
2020 WLAN_SP_RESERVED = 0,
2021 WLAN_SP_MESH_PEERING_OPEN = 1,
2022 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2023 WLAN_SP_MESH_PEERING_CLOSE = 3,
2024 WLAN_SP_MGK_INFORM = 4,
2025 WLAN_SP_MGK_ACK = 5,
2026 };
2027
2028 /* Mesh action codes */
2029 enum ieee80211_mesh_actioncode {
2030 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2031 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2032 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2033 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2034 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2035 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2036 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2037 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2038 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2039 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2040 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2041 };
2042
2043 /* Security key length */
2044 enum ieee80211_key_len {
2045 WLAN_KEY_LEN_WEP40 = 5,
2046 WLAN_KEY_LEN_WEP104 = 13,
2047 WLAN_KEY_LEN_CCMP = 16,
2048 WLAN_KEY_LEN_CCMP_256 = 32,
2049 WLAN_KEY_LEN_TKIP = 32,
2050 WLAN_KEY_LEN_AES_CMAC = 16,
2051 WLAN_KEY_LEN_SMS4 = 32,
2052 WLAN_KEY_LEN_GCMP = 16,
2053 WLAN_KEY_LEN_GCMP_256 = 32,
2054 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2055 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2056 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2057 };
2058
2059 #define IEEE80211_WEP_IV_LEN 4
2060 #define IEEE80211_WEP_ICV_LEN 4
2061 #define IEEE80211_CCMP_HDR_LEN 8
2062 #define IEEE80211_CCMP_MIC_LEN 8
2063 #define IEEE80211_CCMP_PN_LEN 6
2064 #define IEEE80211_CCMP_256_HDR_LEN 8
2065 #define IEEE80211_CCMP_256_MIC_LEN 16
2066 #define IEEE80211_CCMP_256_PN_LEN 6
2067 #define IEEE80211_TKIP_IV_LEN 8
2068 #define IEEE80211_TKIP_ICV_LEN 4
2069 #define IEEE80211_CMAC_PN_LEN 6
2070 #define IEEE80211_GMAC_PN_LEN 6
2071 #define IEEE80211_GCMP_HDR_LEN 8
2072 #define IEEE80211_GCMP_MIC_LEN 16
2073 #define IEEE80211_GCMP_PN_LEN 6
2074
2075 /* Public action codes */
2076 enum ieee80211_pub_actioncode {
2077 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2078 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2079 };
2080
2081 /* TDLS action codes */
2082 enum ieee80211_tdls_actioncode {
2083 WLAN_TDLS_SETUP_REQUEST = 0,
2084 WLAN_TDLS_SETUP_RESPONSE = 1,
2085 WLAN_TDLS_SETUP_CONFIRM = 2,
2086 WLAN_TDLS_TEARDOWN = 3,
2087 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2088 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2089 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2090 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2091 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2092 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2093 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2094 };
2095
2096 /* Extended Channel Switching capability to be set in the 1st byte of
2097 * the @WLAN_EID_EXT_CAPABILITY information element
2098 */
2099 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2100
2101 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2102 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2103 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2104 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2105
2106 /* Interworking capabilities are set in 7th bit of 4th byte of the
2107 * @WLAN_EID_EXT_CAPABILITY information element
2108 */
2109 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2110
2111 /*
2112 * TDLS capabililites to be enabled in the 5th byte of the
2113 * @WLAN_EID_EXT_CAPABILITY information element
2114 */
2115 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2116 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2117 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
2118
2119 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
2120 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2121
2122 /* Defines the maximal number of MSDUs in an A-MSDU. */
2123 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2124 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2125
2126 /*
2127 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2128 * information element
2129 */
2130 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2131
2132 /* TDLS specific payload type in the LLC/SNAP header */
2133 #define WLAN_TDLS_SNAP_RFTYPE 0x2
2134
2135 /* BSS Coex IE information field bits */
2136 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2137
2138 /**
2139 * enum - mesh synchronization method identifier
2140 *
2141 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2142 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2143 * that will be specified in a vendor specific information element
2144 */
2145 enum {
2146 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2147 IEEE80211_SYNC_METHOD_VENDOR = 255,
2148 };
2149
2150 /**
2151 * enum - mesh path selection protocol identifier
2152 *
2153 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2154 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2155 * be specified in a vendor specific information element
2156 */
2157 enum {
2158 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2159 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2160 };
2161
2162 /**
2163 * enum - mesh path selection metric identifier
2164 *
2165 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2166 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2167 * specified in a vendor specific information element
2168 */
2169 enum {
2170 IEEE80211_PATH_METRIC_AIRTIME = 1,
2171 IEEE80211_PATH_METRIC_VENDOR = 255,
2172 };
2173
2174 /**
2175 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2176 *
2177 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2178 *
2179 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2180 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2181 * this value
2182 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2183 * the proactive PREQ with proactive PREP subfield set to 0
2184 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2185 * supports the proactive PREQ with proactive PREP subfield set to 1
2186 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2187 * the proactive RANN
2188 */
2189 enum ieee80211_root_mode_identifier {
2190 IEEE80211_ROOTMODE_NO_ROOT = 0,
2191 IEEE80211_ROOTMODE_ROOT = 1,
2192 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2193 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2194 IEEE80211_PROACTIVE_RANN = 4,
2195 };
2196
2197 /*
2198 * IEEE 802.11-2007 7.3.2.9 Country information element
2199 *
2200 * Minimum length is 8 octets, ie len must be evenly
2201 * divisible by 2
2202 */
2203
2204 /* Although the spec says 8 I'm seeing 6 in practice */
2205 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2206
2207 /* The Country String field of the element shall be 3 octets in length */
2208 #define IEEE80211_COUNTRY_STRING_LEN 3
2209
2210 /*
2211 * For regulatory extension stuff see IEEE 802.11-2007
2212 * Annex I (page 1141) and Annex J (page 1147). Also
2213 * review 7.3.2.9.
2214 *
2215 * When dot11RegulatoryClassesRequired is true and the
2216 * first_channel/reg_extension_id is >= 201 then the IE
2217 * compromises of the 'ext' struct represented below:
2218 *
2219 * - Regulatory extension ID - when generating IE this just needs
2220 * to be monotonically increasing for each triplet passed in
2221 * the IE
2222 * - Regulatory class - index into set of rules
2223 * - Coverage class - index into air propagation time (Table 7-27),
2224 * in microseconds, you can compute the air propagation time from
2225 * the index by multiplying by 3, so index 10 yields a propagation
2226 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2227 * yet. A value of 0 inicates air propagation of <= 1 us.
2228 *
2229 * See also Table I.2 for Emission limit sets and table
2230 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2231 * a reg_class to an emission limit set and behavior limit set.
2232 */
2233 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2234
2235 /*
2236 * Channels numbers in the IE must be monotonically increasing
2237 * if dot11RegulatoryClassesRequired is not true.
2238 *
2239 * If dot11RegulatoryClassesRequired is true consecutive
2240 * subband triplets following a regulatory triplet shall
2241 * have monotonically increasing first_channel number fields.
2242 *
2243 * Channel numbers shall not overlap.
2244 *
2245 * Note that max_power is signed.
2246 */
2247 struct ieee80211_country_ie_triplet {
2248 union {
2249 struct {
2250 u8 first_channel;
2251 u8 num_channels;
2252 s8 max_power;
2253 } __packed chans;
2254 struct {
2255 u8 reg_extension_id;
2256 u8 reg_class;
2257 u8 coverage_class;
2258 } __packed ext;
2259 };
2260 } __packed;
2261
2262 enum ieee80211_timeout_interval_type {
2263 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2264 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2265 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2266 };
2267
2268 /**
2269 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2270 * @type: type, see &enum ieee80211_timeout_interval_type
2271 * @value: timeout interval value
2272 */
2273 struct ieee80211_timeout_interval_ie {
2274 u8 type;
2275 __le32 value;
2276 } __packed;
2277
2278 /* BACK action code */
2279 enum ieee80211_back_actioncode {
2280 WLAN_ACTION_ADDBA_REQ = 0,
2281 WLAN_ACTION_ADDBA_RESP = 1,
2282 WLAN_ACTION_DELBA = 2,
2283 };
2284
2285 /* BACK (block-ack) parties */
2286 enum ieee80211_back_parties {
2287 WLAN_BACK_RECIPIENT = 0,
2288 WLAN_BACK_INITIATOR = 1,
2289 };
2290
2291 /* SA Query action */
2292 enum ieee80211_sa_query_action {
2293 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2294 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2295 };
2296
2297
2298 /* cipher suite selectors */
2299 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2300 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2301 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2302 /* reserved: 0x000FAC03 */
2303 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2304 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2305 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2306 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2307 #define WLAN_CIPHER_SUITE_GCMP_256 0x000FAC09
2308 #define WLAN_CIPHER_SUITE_CCMP_256 0x000FAC0A
2309 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 0x000FAC0B
2310 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 0x000FAC0C
2311 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 0x000FAC0D
2312
2313 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2314
2315 /* AKM suite selectors */
2316 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2317 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2318 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2319 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2320 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
2321 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2322 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2323
2324 #define WLAN_MAX_KEY_LEN 32
2325
2326 #define WLAN_PMKID_LEN 16
2327
2328 #define WLAN_OUI_WFA 0x506f9a
2329 #define WLAN_OUI_TYPE_WFA_P2P 9
2330 #define WLAN_OUI_MICROSOFT 0x0050f2
2331 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2332 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2333 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2334
2335 /*
2336 * WMM/802.11e Tspec Element
2337 */
2338 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2339 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2340
2341 enum ieee80211_tspec_status_code {
2342 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2343 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2344 };
2345
2346 struct ieee80211_tspec_ie {
2347 u8 element_id;
2348 u8 len;
2349 u8 oui[3];
2350 u8 oui_type;
2351 u8 oui_subtype;
2352 u8 version;
2353 __le16 tsinfo;
2354 u8 tsinfo_resvd;
2355 __le16 nominal_msdu;
2356 __le16 max_msdu;
2357 __le32 min_service_int;
2358 __le32 max_service_int;
2359 __le32 inactivity_int;
2360 __le32 suspension_int;
2361 __le32 service_start_time;
2362 __le32 min_data_rate;
2363 __le32 mean_data_rate;
2364 __le32 peak_data_rate;
2365 __le32 max_burst_size;
2366 __le32 delay_bound;
2367 __le32 min_phy_rate;
2368 __le16 sba;
2369 __le16 medium_time;
2370 } __packed;
2371
2372 /**
2373 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2374 * @hdr: the frame
2375 *
2376 * The qos ctrl bytes come after the frame_control, duration, seq_num
2377 * and 3 or 4 addresses of length ETH_ALEN.
2378 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2379 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2380 */
2381 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2382 {
2383 if (ieee80211_has_a4(hdr->frame_control))
2384 return (u8 *)hdr + 30;
2385 else
2386 return (u8 *)hdr + 24;
2387 }
2388
2389 /**
2390 * ieee80211_get_SA - get pointer to SA
2391 * @hdr: the frame
2392 *
2393 * Given an 802.11 frame, this function returns the offset
2394 * to the source address (SA). It does not verify that the
2395 * header is long enough to contain the address, and the
2396 * header must be long enough to contain the frame control
2397 * field.
2398 */
2399 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2400 {
2401 if (ieee80211_has_a4(hdr->frame_control))
2402 return hdr->addr4;
2403 if (ieee80211_has_fromds(hdr->frame_control))
2404 return hdr->addr3;
2405 return hdr->addr2;
2406 }
2407
2408 /**
2409 * ieee80211_get_DA - get pointer to DA
2410 * @hdr: the frame
2411 *
2412 * Given an 802.11 frame, this function returns the offset
2413 * to the destination address (DA). It does not verify that
2414 * the header is long enough to contain the address, and the
2415 * header must be long enough to contain the frame control
2416 * field.
2417 */
2418 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2419 {
2420 if (ieee80211_has_tods(hdr->frame_control))
2421 return hdr->addr3;
2422 else
2423 return hdr->addr1;
2424 }
2425
2426 /**
2427 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2428 * @hdr: the frame (buffer must include at least the first octet of payload)
2429 */
2430 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2431 {
2432 if (ieee80211_is_disassoc(hdr->frame_control) ||
2433 ieee80211_is_deauth(hdr->frame_control))
2434 return true;
2435
2436 if (ieee80211_is_action(hdr->frame_control)) {
2437 u8 *category;
2438
2439 /*
2440 * Action frames, excluding Public Action frames, are Robust
2441 * Management Frames. However, if we are looking at a Protected
2442 * frame, skip the check since the data may be encrypted and
2443 * the frame has already been found to be a Robust Management
2444 * Frame (by the other end).
2445 */
2446 if (ieee80211_has_protected(hdr->frame_control))
2447 return true;
2448 category = ((u8 *) hdr) + 24;
2449 return *category != WLAN_CATEGORY_PUBLIC &&
2450 *category != WLAN_CATEGORY_HT &&
2451 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2452 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2453 *category != WLAN_CATEGORY_UNPROT_DMG &&
2454 *category != WLAN_CATEGORY_VHT &&
2455 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2456 }
2457
2458 return false;
2459 }
2460
2461 /**
2462 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2463 * @skb: the skb containing the frame, length will be checked
2464 */
2465 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2466 {
2467 if (skb->len < 25)
2468 return false;
2469 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2470 }
2471
2472 /**
2473 * ieee80211_is_public_action - check if frame is a public action frame
2474 * @hdr: the frame
2475 * @len: length of the frame
2476 */
2477 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2478 size_t len)
2479 {
2480 struct ieee80211_mgmt *mgmt = (void *)hdr;
2481
2482 if (len < IEEE80211_MIN_ACTION_SIZE)
2483 return false;
2484 if (!ieee80211_is_action(hdr->frame_control))
2485 return false;
2486 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2487 }
2488
2489 /**
2490 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2491 * @tu: the TUs
2492 */
2493 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2494 {
2495 return 1024 * tu;
2496 }
2497
2498 /**
2499 * ieee80211_check_tim - check if AID bit is set in TIM
2500 * @tim: the TIM IE
2501 * @tim_len: length of the TIM IE
2502 * @aid: the AID to look for
2503 */
2504 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2505 u8 tim_len, u16 aid)
2506 {
2507 u8 mask;
2508 u8 index, indexn1, indexn2;
2509
2510 if (unlikely(!tim || tim_len < sizeof(*tim)))
2511 return false;
2512
2513 aid &= 0x3fff;
2514 index = aid / 8;
2515 mask = 1 << (aid & 7);
2516
2517 indexn1 = tim->bitmap_ctrl & 0xfe;
2518 indexn2 = tim_len + indexn1 - 4;
2519
2520 if (index < indexn1 || index > indexn2)
2521 return false;
2522
2523 index -= indexn1;
2524
2525 return !!(tim->virtual_map[index] & mask);
2526 }
2527
2528 /**
2529 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2530 * @skb: the skb containing the frame, length will not be checked
2531 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2532 *
2533 * This function assumes the frame is a data frame, and that the network header
2534 * is in the correct place.
2535 */
2536 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2537 {
2538 if (!skb_is_nonlinear(skb) &&
2539 skb->len > (skb_network_offset(skb) + 2)) {
2540 /* Point to where the indication of TDLS should start */
2541 const u8 *tdls_data = skb_network_header(skb) - 2;
2542
2543 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2544 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2545 tdls_data[3] == WLAN_CATEGORY_TDLS)
2546 return tdls_data[4];
2547 }
2548
2549 return -1;
2550 }
2551
2552 /* convert time units */
2553 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2554 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2555
2556 /**
2557 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2558 * @skb: the skb containing the frame, length will be checked
2559 *
2560 * This function checks if it's either TPC report action frame or Link
2561 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2562 * and 8.5.7.5 accordingly.
2563 */
2564 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2565 {
2566 struct ieee80211_mgmt *mgmt = (void *)skb->data;
2567
2568 if (!ieee80211_is_action(mgmt->frame_control))
2569 return false;
2570
2571 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2572 sizeof(mgmt->u.action.u.tpc_report))
2573 return false;
2574
2575 /*
2576 * TPC report - check that:
2577 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2578 * spectrum management action = 3 (TPC/Link Measurement report)
2579 * TPC report EID = 35
2580 * TPC report element length = 2
2581 *
2582 * The spectrum management's tpc_report struct is used here both for
2583 * parsing tpc_report and radio measurement's link measurement report
2584 * frame, since the relevant part is identical in both frames.
2585 */
2586 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2587 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2588 return false;
2589
2590 /* both spectrum mgmt and link measurement have same action code */
2591 if (mgmt->u.action.u.tpc_report.action_code !=
2592 WLAN_ACTION_SPCT_TPC_RPRT)
2593 return false;
2594
2595 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2596 mgmt->u.action.u.tpc_report.tpc_elem_length !=
2597 sizeof(struct ieee80211_tpc_report_ie))
2598 return false;
2599
2600 return true;
2601 }
2602
2603 #endif /* LINUX_IEEE80211_H */
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