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1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2019 Intel Corporation
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 <linux/etherdevice.h>
21 #include <asm/byteorder.h>
22 #include <asm/unaligned.h>
23
24 /*
25 * DS bit usage
26 *
27 * TA = transmitter address
28 * RA = receiver address
29 * DA = destination address
30 * SA = source address
31 *
32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
33 * -----------------------------------------------------------------
34 * 0 0 DA SA BSSID - IBSS/DLS
35 * 0 1 DA BSSID SA - AP -> STA
36 * 1 0 BSSID SA DA - AP <- STA
37 * 1 1 RA TA DA SA unspecified (WDS)
38 */
39
40 #define FCS_LEN 4
41
42 #define IEEE80211_FCTL_VERS 0x0003
43 #define IEEE80211_FCTL_FTYPE 0x000c
44 #define IEEE80211_FCTL_STYPE 0x00f0
45 #define IEEE80211_FCTL_TODS 0x0100
46 #define IEEE80211_FCTL_FROMDS 0x0200
47 #define IEEE80211_FCTL_MOREFRAGS 0x0400
48 #define IEEE80211_FCTL_RETRY 0x0800
49 #define IEEE80211_FCTL_PM 0x1000
50 #define IEEE80211_FCTL_MOREDATA 0x2000
51 #define IEEE80211_FCTL_PROTECTED 0x4000
52 #define IEEE80211_FCTL_ORDER 0x8000
53 #define IEEE80211_FCTL_CTL_EXT 0x0f00
54
55 #define IEEE80211_SCTL_FRAG 0x000F
56 #define IEEE80211_SCTL_SEQ 0xFFF0
57
58 #define IEEE80211_FTYPE_MGMT 0x0000
59 #define IEEE80211_FTYPE_CTL 0x0004
60 #define IEEE80211_FTYPE_DATA 0x0008
61 #define IEEE80211_FTYPE_EXT 0x000c
62
63 /* management */
64 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
65 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
66 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
67 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
68 #define IEEE80211_STYPE_PROBE_REQ 0x0040
69 #define IEEE80211_STYPE_PROBE_RESP 0x0050
70 #define IEEE80211_STYPE_BEACON 0x0080
71 #define IEEE80211_STYPE_ATIM 0x0090
72 #define IEEE80211_STYPE_DISASSOC 0x00A0
73 #define IEEE80211_STYPE_AUTH 0x00B0
74 #define IEEE80211_STYPE_DEAUTH 0x00C0
75 #define IEEE80211_STYPE_ACTION 0x00D0
76
77 /* control */
78 #define IEEE80211_STYPE_CTL_EXT 0x0060
79 #define IEEE80211_STYPE_BACK_REQ 0x0080
80 #define IEEE80211_STYPE_BACK 0x0090
81 #define IEEE80211_STYPE_PSPOLL 0x00A0
82 #define IEEE80211_STYPE_RTS 0x00B0
83 #define IEEE80211_STYPE_CTS 0x00C0
84 #define IEEE80211_STYPE_ACK 0x00D0
85 #define IEEE80211_STYPE_CFEND 0x00E0
86 #define IEEE80211_STYPE_CFENDACK 0x00F0
87
88 /* data */
89 #define IEEE80211_STYPE_DATA 0x0000
90 #define IEEE80211_STYPE_DATA_CFACK 0x0010
91 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
92 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
93 #define IEEE80211_STYPE_NULLFUNC 0x0040
94 #define IEEE80211_STYPE_CFACK 0x0050
95 #define IEEE80211_STYPE_CFPOLL 0x0060
96 #define IEEE80211_STYPE_CFACKPOLL 0x0070
97 #define IEEE80211_STYPE_QOS_DATA 0x0080
98 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
101 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
102 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
103 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
104 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
105
106 /* extension, added by 802.11ad */
107 #define IEEE80211_STYPE_DMG_BEACON 0x0000
108
109 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
110 #define IEEE80211_CTL_EXT_POLL 0x2000
111 #define IEEE80211_CTL_EXT_SPR 0x3000
112 #define IEEE80211_CTL_EXT_GRANT 0x4000
113 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
114 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
115 #define IEEE80211_CTL_EXT_SSW 0x8000
116 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
117 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
118
119
120 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
121 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
122 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
123
124 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
125 {
126 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
127 }
128
129 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
130 {
131 return (sn1 + sn2) & IEEE80211_SN_MASK;
132 }
133
134 static inline u16 ieee80211_sn_inc(u16 sn)
135 {
136 return ieee80211_sn_add(sn, 1);
137 }
138
139 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
140 {
141 return (sn1 - sn2) & IEEE80211_SN_MASK;
142 }
143
144 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
145 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
146
147 /* miscellaneous IEEE 802.11 constants */
148 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
149 #define IEEE80211_MAX_RTS_THRESHOLD 2353
150 #define IEEE80211_MAX_AID 2007
151 #define IEEE80211_MAX_TIM_LEN 251
152 #define IEEE80211_MAX_MESH_PEERINGS 63
153 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
154 6.2.1.1.2.
155
156 802.11e clarifies the figure in section 7.1.2. The frame body is
157 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
158 #define IEEE80211_MAX_DATA_LEN 2304
159 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
160 * to 7920 bytes, see 8.2.3 General frame format
161 */
162 #define IEEE80211_MAX_DATA_LEN_DMG 7920
163 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
164 #define IEEE80211_MAX_FRAME_LEN 2352
165
166 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
167 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
168
169 /* Maximal size of an A-MSDU */
170 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
171 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
172
173 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
174 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
175 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
176
177 #define IEEE80211_MAX_SSID_LEN 32
178
179 #define IEEE80211_MAX_MESH_ID_LEN 32
180
181 #define IEEE80211_FIRST_TSPEC_TSID 8
182 #define IEEE80211_NUM_TIDS 16
183
184 /* number of user priorities 802.11 uses */
185 #define IEEE80211_NUM_UPS 8
186 /* number of ACs */
187 #define IEEE80211_NUM_ACS 4
188
189 #define IEEE80211_QOS_CTL_LEN 2
190 /* 1d tag mask */
191 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
192 /* TID mask */
193 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
194 /* EOSP */
195 #define IEEE80211_QOS_CTL_EOSP 0x0010
196 /* ACK policy */
197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
202 /* A-MSDU 802.11n */
203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
204 /* Mesh Control 802.11s */
205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
206
207 /* Mesh Power Save Level */
208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
209 /* Mesh Receiver Service Period Initiated */
210 #define IEEE80211_QOS_CTL_RSPI 0x0400
211
212 /* U-APSD queue for WMM IEs sent by AP */
213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
215
216 /* U-APSD queues for WMM IEs sent by STA */
217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
222
223 /* U-APSD max SP length for WMM IEs sent by STA */
224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
230
231 #define IEEE80211_HT_CTL_LEN 4
232
233 struct ieee80211_hdr {
234 __le16 frame_control;
235 __le16 duration_id;
236 u8 addr1[ETH_ALEN];
237 u8 addr2[ETH_ALEN];
238 u8 addr3[ETH_ALEN];
239 __le16 seq_ctrl;
240 u8 addr4[ETH_ALEN];
241 } __packed __aligned(2);
242
243 struct ieee80211_hdr_3addr {
244 __le16 frame_control;
245 __le16 duration_id;
246 u8 addr1[ETH_ALEN];
247 u8 addr2[ETH_ALEN];
248 u8 addr3[ETH_ALEN];
249 __le16 seq_ctrl;
250 } __packed __aligned(2);
251
252 struct ieee80211_qos_hdr {
253 __le16 frame_control;
254 __le16 duration_id;
255 u8 addr1[ETH_ALEN];
256 u8 addr2[ETH_ALEN];
257 u8 addr3[ETH_ALEN];
258 __le16 seq_ctrl;
259 __le16 qos_ctrl;
260 } __packed __aligned(2);
261
262 /**
263 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
264 * @fc: frame control bytes in little-endian byteorder
265 */
266 static inline bool ieee80211_has_tods(__le16 fc)
267 {
268 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
269 }
270
271 /**
272 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
273 * @fc: frame control bytes in little-endian byteorder
274 */
275 static inline bool ieee80211_has_fromds(__le16 fc)
276 {
277 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
278 }
279
280 /**
281 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
282 * @fc: frame control bytes in little-endian byteorder
283 */
284 static inline bool ieee80211_has_a4(__le16 fc)
285 {
286 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
287 return (fc & tmp) == tmp;
288 }
289
290 /**
291 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
292 * @fc: frame control bytes in little-endian byteorder
293 */
294 static inline bool ieee80211_has_morefrags(__le16 fc)
295 {
296 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
297 }
298
299 /**
300 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
301 * @fc: frame control bytes in little-endian byteorder
302 */
303 static inline bool ieee80211_has_retry(__le16 fc)
304 {
305 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
306 }
307
308 /**
309 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
310 * @fc: frame control bytes in little-endian byteorder
311 */
312 static inline bool ieee80211_has_pm(__le16 fc)
313 {
314 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
315 }
316
317 /**
318 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
319 * @fc: frame control bytes in little-endian byteorder
320 */
321 static inline bool ieee80211_has_moredata(__le16 fc)
322 {
323 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
324 }
325
326 /**
327 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
328 * @fc: frame control bytes in little-endian byteorder
329 */
330 static inline bool ieee80211_has_protected(__le16 fc)
331 {
332 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
333 }
334
335 /**
336 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
337 * @fc: frame control bytes in little-endian byteorder
338 */
339 static inline bool ieee80211_has_order(__le16 fc)
340 {
341 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
342 }
343
344 /**
345 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
346 * @fc: frame control bytes in little-endian byteorder
347 */
348 static inline bool ieee80211_is_mgmt(__le16 fc)
349 {
350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
351 cpu_to_le16(IEEE80211_FTYPE_MGMT);
352 }
353
354 /**
355 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
356 * @fc: frame control bytes in little-endian byteorder
357 */
358 static inline bool ieee80211_is_ctl(__le16 fc)
359 {
360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
361 cpu_to_le16(IEEE80211_FTYPE_CTL);
362 }
363
364 /**
365 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
366 * @fc: frame control bytes in little-endian byteorder
367 */
368 static inline bool ieee80211_is_data(__le16 fc)
369 {
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
371 cpu_to_le16(IEEE80211_FTYPE_DATA);
372 }
373
374 /**
375 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
376 * @fc: frame control bytes in little-endian byteorder
377 */
378 static inline bool ieee80211_is_data_qos(__le16 fc)
379 {
380 /*
381 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
382 * to check the one bit
383 */
384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
385 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
386 }
387
388 /**
389 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
390 * @fc: frame control bytes in little-endian byteorder
391 */
392 static inline bool ieee80211_is_data_present(__le16 fc)
393 {
394 /*
395 * mask with 0x40 and test that that bit is clear to only return true
396 * for the data-containing substypes.
397 */
398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
399 cpu_to_le16(IEEE80211_FTYPE_DATA);
400 }
401
402 /**
403 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
404 * @fc: frame control bytes in little-endian byteorder
405 */
406 static inline bool ieee80211_is_assoc_req(__le16 fc)
407 {
408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
410 }
411
412 /**
413 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
414 * @fc: frame control bytes in little-endian byteorder
415 */
416 static inline bool ieee80211_is_assoc_resp(__le16 fc)
417 {
418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
420 }
421
422 /**
423 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
424 * @fc: frame control bytes in little-endian byteorder
425 */
426 static inline bool ieee80211_is_reassoc_req(__le16 fc)
427 {
428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
430 }
431
432 /**
433 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
434 * @fc: frame control bytes in little-endian byteorder
435 */
436 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
437 {
438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
439 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
440 }
441
442 /**
443 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
444 * @fc: frame control bytes in little-endian byteorder
445 */
446 static inline bool ieee80211_is_probe_req(__le16 fc)
447 {
448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
449 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
450 }
451
452 /**
453 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
454 * @fc: frame control bytes in little-endian byteorder
455 */
456 static inline bool ieee80211_is_probe_resp(__le16 fc)
457 {
458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
459 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
460 }
461
462 /**
463 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
464 * @fc: frame control bytes in little-endian byteorder
465 */
466 static inline bool ieee80211_is_beacon(__le16 fc)
467 {
468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
469 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
470 }
471
472 /**
473 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
474 * @fc: frame control bytes in little-endian byteorder
475 */
476 static inline bool ieee80211_is_atim(__le16 fc)
477 {
478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
479 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
480 }
481
482 /**
483 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
484 * @fc: frame control bytes in little-endian byteorder
485 */
486 static inline bool ieee80211_is_disassoc(__le16 fc)
487 {
488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
489 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
490 }
491
492 /**
493 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
494 * @fc: frame control bytes in little-endian byteorder
495 */
496 static inline bool ieee80211_is_auth(__le16 fc)
497 {
498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
499 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
500 }
501
502 /**
503 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
504 * @fc: frame control bytes in little-endian byteorder
505 */
506 static inline bool ieee80211_is_deauth(__le16 fc)
507 {
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
509 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
510 }
511
512 /**
513 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
514 * @fc: frame control bytes in little-endian byteorder
515 */
516 static inline bool ieee80211_is_action(__le16 fc)
517 {
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
520 }
521
522 /**
523 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
524 * @fc: frame control bytes in little-endian byteorder
525 */
526 static inline bool ieee80211_is_back_req(__le16 fc)
527 {
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
530 }
531
532 /**
533 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
534 * @fc: frame control bytes in little-endian byteorder
535 */
536 static inline bool ieee80211_is_back(__le16 fc)
537 {
538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
540 }
541
542 /**
543 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
544 * @fc: frame control bytes in little-endian byteorder
545 */
546 static inline bool ieee80211_is_pspoll(__le16 fc)
547 {
548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
550 }
551
552 /**
553 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
554 * @fc: frame control bytes in little-endian byteorder
555 */
556 static inline bool ieee80211_is_rts(__le16 fc)
557 {
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
560 }
561
562 /**
563 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
564 * @fc: frame control bytes in little-endian byteorder
565 */
566 static inline bool ieee80211_is_cts(__le16 fc)
567 {
568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
570 }
571
572 /**
573 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
574 * @fc: frame control bytes in little-endian byteorder
575 */
576 static inline bool ieee80211_is_ack(__le16 fc)
577 {
578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
580 }
581
582 /**
583 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
584 * @fc: frame control bytes in little-endian byteorder
585 */
586 static inline bool ieee80211_is_cfend(__le16 fc)
587 {
588 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
589 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
590 }
591
592 /**
593 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
594 * @fc: frame control bytes in little-endian byteorder
595 */
596 static inline bool ieee80211_is_cfendack(__le16 fc)
597 {
598 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
599 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
600 }
601
602 /**
603 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
604 * @fc: frame control bytes in little-endian byteorder
605 */
606 static inline bool ieee80211_is_nullfunc(__le16 fc)
607 {
608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
609 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
610 }
611
612 /**
613 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
614 * @fc: frame control bytes in little-endian byteorder
615 */
616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
617 {
618 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
619 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
620 }
621
622 /**
623 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
624 * @fc: frame control field in little-endian byteorder
625 */
626 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
627 {
628 /* IEEE 802.11-2012, definition of "bufferable management frame";
629 * note that this ignores the IBSS special case. */
630 return ieee80211_is_mgmt(fc) &&
631 (ieee80211_is_action(fc) ||
632 ieee80211_is_disassoc(fc) ||
633 ieee80211_is_deauth(fc));
634 }
635
636 /**
637 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
638 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
639 */
640 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
641 {
642 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
643 }
644
645 /**
646 * ieee80211_is_frag - check if a frame is a fragment
647 * @hdr: 802.11 header of the frame
648 */
649 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
650 {
651 return ieee80211_has_morefrags(hdr->frame_control) ||
652 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
653 }
654
655 struct ieee80211s_hdr {
656 u8 flags;
657 u8 ttl;
658 __le32 seqnum;
659 u8 eaddr1[ETH_ALEN];
660 u8 eaddr2[ETH_ALEN];
661 } __packed __aligned(2);
662
663 /* Mesh flags */
664 #define MESH_FLAGS_AE_A4 0x1
665 #define MESH_FLAGS_AE_A5_A6 0x2
666 #define MESH_FLAGS_AE 0x3
667 #define MESH_FLAGS_PS_DEEP 0x4
668
669 /**
670 * enum ieee80211_preq_flags - mesh PREQ element flags
671 *
672 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
673 */
674 enum ieee80211_preq_flags {
675 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
676 };
677
678 /**
679 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
680 *
681 * @IEEE80211_PREQ_TO_FLAG: target only subfield
682 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
683 */
684 enum ieee80211_preq_target_flags {
685 IEEE80211_PREQ_TO_FLAG = 1<<0,
686 IEEE80211_PREQ_USN_FLAG = 1<<2,
687 };
688
689 /**
690 * struct ieee80211_quiet_ie
691 *
692 * This structure refers to "Quiet information element"
693 */
694 struct ieee80211_quiet_ie {
695 u8 count;
696 u8 period;
697 __le16 duration;
698 __le16 offset;
699 } __packed;
700
701 /**
702 * struct ieee80211_msrment_ie
703 *
704 * This structure refers to "Measurement Request/Report information element"
705 */
706 struct ieee80211_msrment_ie {
707 u8 token;
708 u8 mode;
709 u8 type;
710 u8 request[0];
711 } __packed;
712
713 /**
714 * struct ieee80211_channel_sw_ie
715 *
716 * This structure refers to "Channel Switch Announcement information element"
717 */
718 struct ieee80211_channel_sw_ie {
719 u8 mode;
720 u8 new_ch_num;
721 u8 count;
722 } __packed;
723
724 /**
725 * struct ieee80211_ext_chansw_ie
726 *
727 * This structure represents the "Extended Channel Switch Announcement element"
728 */
729 struct ieee80211_ext_chansw_ie {
730 u8 mode;
731 u8 new_operating_class;
732 u8 new_ch_num;
733 u8 count;
734 } __packed;
735
736 /**
737 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
738 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
739 * values here
740 * This structure represents the "Secondary Channel Offset element"
741 */
742 struct ieee80211_sec_chan_offs_ie {
743 u8 sec_chan_offs;
744 } __packed;
745
746 /**
747 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
748 *
749 * This structure represents the "Mesh Channel Switch Paramters element"
750 */
751 struct ieee80211_mesh_chansw_params_ie {
752 u8 mesh_ttl;
753 u8 mesh_flags;
754 __le16 mesh_reason;
755 __le16 mesh_pre_value;
756 } __packed;
757
758 /**
759 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
760 */
761 struct ieee80211_wide_bw_chansw_ie {
762 u8 new_channel_width;
763 u8 new_center_freq_seg0, new_center_freq_seg1;
764 } __packed;
765
766 /**
767 * struct ieee80211_tim
768 *
769 * This structure refers to "Traffic Indication Map information element"
770 */
771 struct ieee80211_tim_ie {
772 u8 dtim_count;
773 u8 dtim_period;
774 u8 bitmap_ctrl;
775 /* variable size: 1 - 251 bytes */
776 u8 virtual_map[1];
777 } __packed;
778
779 /**
780 * struct ieee80211_meshconf_ie
781 *
782 * This structure refers to "Mesh Configuration information element"
783 */
784 struct ieee80211_meshconf_ie {
785 u8 meshconf_psel;
786 u8 meshconf_pmetric;
787 u8 meshconf_congest;
788 u8 meshconf_synch;
789 u8 meshconf_auth;
790 u8 meshconf_form;
791 u8 meshconf_cap;
792 } __packed;
793
794 /**
795 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
796 *
797 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
798 * additional mesh peerings with other mesh STAs
799 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
800 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
801 * is ongoing
802 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
803 * neighbors in deep sleep mode
804 */
805 enum mesh_config_capab_flags {
806 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
807 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
808 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
809 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
810 };
811
812 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
813
814 /**
815 * mesh channel switch parameters element's flag indicator
816 *
817 */
818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
821
822 /**
823 * struct ieee80211_rann_ie
824 *
825 * This structure refers to "Root Announcement information element"
826 */
827 struct ieee80211_rann_ie {
828 u8 rann_flags;
829 u8 rann_hopcount;
830 u8 rann_ttl;
831 u8 rann_addr[ETH_ALEN];
832 __le32 rann_seq;
833 __le32 rann_interval;
834 __le32 rann_metric;
835 } __packed;
836
837 enum ieee80211_rann_flags {
838 RANN_FLAG_IS_GATE = 1 << 0,
839 };
840
841 enum ieee80211_ht_chanwidth_values {
842 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
843 IEEE80211_HT_CHANWIDTH_ANY = 1,
844 };
845
846 /**
847 * enum ieee80211_opmode_bits - VHT operating mode field bits
848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
854 * (the NSS value is the value of this field + 1)
855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
857 * using a beamforming steering matrix
858 */
859 enum ieee80211_vht_opmode_bits {
860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
865 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
866 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
867 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
868 };
869
870 #define WLAN_SA_QUERY_TR_ID_LEN 2
871 #define WLAN_MEMBERSHIP_LEN 8
872 #define WLAN_USER_POSITION_LEN 16
873
874 /**
875 * struct ieee80211_tpc_report_ie
876 *
877 * This structure refers to "TPC Report element"
878 */
879 struct ieee80211_tpc_report_ie {
880 u8 tx_power;
881 u8 link_margin;
882 } __packed;
883
884 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
885 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
886 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
887
888 struct ieee80211_addba_ext_ie {
889 u8 data;
890 } __packed;
891
892 struct ieee80211_mgmt {
893 __le16 frame_control;
894 __le16 duration;
895 u8 da[ETH_ALEN];
896 u8 sa[ETH_ALEN];
897 u8 bssid[ETH_ALEN];
898 __le16 seq_ctrl;
899 union {
900 struct {
901 __le16 auth_alg;
902 __le16 auth_transaction;
903 __le16 status_code;
904 /* possibly followed by Challenge text */
905 u8 variable[0];
906 } __packed auth;
907 struct {
908 __le16 reason_code;
909 } __packed deauth;
910 struct {
911 __le16 capab_info;
912 __le16 listen_interval;
913 /* followed by SSID and Supported rates */
914 u8 variable[0];
915 } __packed assoc_req;
916 struct {
917 __le16 capab_info;
918 __le16 status_code;
919 __le16 aid;
920 /* followed by Supported rates */
921 u8 variable[0];
922 } __packed assoc_resp, reassoc_resp;
923 struct {
924 __le16 capab_info;
925 __le16 listen_interval;
926 u8 current_ap[ETH_ALEN];
927 /* followed by SSID and Supported rates */
928 u8 variable[0];
929 } __packed reassoc_req;
930 struct {
931 __le16 reason_code;
932 } __packed disassoc;
933 struct {
934 __le64 timestamp;
935 __le16 beacon_int;
936 __le16 capab_info;
937 /* followed by some of SSID, Supported rates,
938 * FH Params, DS Params, CF Params, IBSS Params, TIM */
939 u8 variable[0];
940 } __packed beacon;
941 struct {
942 /* only variable items: SSID, Supported rates */
943 u8 variable[0];
944 } __packed probe_req;
945 struct {
946 __le64 timestamp;
947 __le16 beacon_int;
948 __le16 capab_info;
949 /* followed by some of SSID, Supported rates,
950 * FH Params, DS Params, CF Params, IBSS Params */
951 u8 variable[0];
952 } __packed probe_resp;
953 struct {
954 u8 category;
955 union {
956 struct {
957 u8 action_code;
958 u8 dialog_token;
959 u8 status_code;
960 u8 variable[0];
961 } __packed wme_action;
962 struct{
963 u8 action_code;
964 u8 variable[0];
965 } __packed chan_switch;
966 struct{
967 u8 action_code;
968 struct ieee80211_ext_chansw_ie data;
969 u8 variable[0];
970 } __packed ext_chan_switch;
971 struct{
972 u8 action_code;
973 u8 dialog_token;
974 u8 element_id;
975 u8 length;
976 struct ieee80211_msrment_ie msr_elem;
977 } __packed measurement;
978 struct{
979 u8 action_code;
980 u8 dialog_token;
981 __le16 capab;
982 __le16 timeout;
983 __le16 start_seq_num;
984 /* followed by BA Extension */
985 u8 variable[0];
986 } __packed addba_req;
987 struct{
988 u8 action_code;
989 u8 dialog_token;
990 __le16 status;
991 __le16 capab;
992 __le16 timeout;
993 } __packed addba_resp;
994 struct{
995 u8 action_code;
996 __le16 params;
997 __le16 reason_code;
998 } __packed delba;
999 struct {
1000 u8 action_code;
1001 u8 variable[0];
1002 } __packed self_prot;
1003 struct{
1004 u8 action_code;
1005 u8 variable[0];
1006 } __packed mesh_action;
1007 struct {
1008 u8 action;
1009 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1010 } __packed sa_query;
1011 struct {
1012 u8 action;
1013 u8 smps_control;
1014 } __packed ht_smps;
1015 struct {
1016 u8 action_code;
1017 u8 chanwidth;
1018 } __packed ht_notify_cw;
1019 struct {
1020 u8 action_code;
1021 u8 dialog_token;
1022 __le16 capability;
1023 u8 variable[0];
1024 } __packed tdls_discover_resp;
1025 struct {
1026 u8 action_code;
1027 u8 operating_mode;
1028 } __packed vht_opmode_notif;
1029 struct {
1030 u8 action_code;
1031 u8 membership[WLAN_MEMBERSHIP_LEN];
1032 u8 position[WLAN_USER_POSITION_LEN];
1033 } __packed vht_group_notif;
1034 struct {
1035 u8 action_code;
1036 u8 dialog_token;
1037 u8 tpc_elem_id;
1038 u8 tpc_elem_length;
1039 struct ieee80211_tpc_report_ie tpc;
1040 } __packed tpc_report;
1041 struct {
1042 u8 action_code;
1043 u8 dialog_token;
1044 u8 follow_up;
1045 u8 tod[6];
1046 u8 toa[6];
1047 __le16 tod_error;
1048 __le16 toa_error;
1049 u8 variable[0];
1050 } __packed ftm;
1051 } u;
1052 } __packed action;
1053 } u;
1054 } __packed __aligned(2);
1055
1056 /* Supported rates membership selectors */
1057 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1058 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1059
1060 /* mgmt header + 1 byte category code */
1061 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1062
1063
1064 /* Management MIC information element (IEEE 802.11w) */
1065 struct ieee80211_mmie {
1066 u8 element_id;
1067 u8 length;
1068 __le16 key_id;
1069 u8 sequence_number[6];
1070 u8 mic[8];
1071 } __packed;
1072
1073 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1074 struct ieee80211_mmie_16 {
1075 u8 element_id;
1076 u8 length;
1077 __le16 key_id;
1078 u8 sequence_number[6];
1079 u8 mic[16];
1080 } __packed;
1081
1082 struct ieee80211_vendor_ie {
1083 u8 element_id;
1084 u8 len;
1085 u8 oui[3];
1086 u8 oui_type;
1087 } __packed;
1088
1089 struct ieee80211_wmm_ac_param {
1090 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1091 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1092 __le16 txop_limit;
1093 } __packed;
1094
1095 struct ieee80211_wmm_param_ie {
1096 u8 element_id; /* Element ID: 221 (0xdd); */
1097 u8 len; /* Length: 24 */
1098 /* required fields for WMM version 1 */
1099 u8 oui[3]; /* 00:50:f2 */
1100 u8 oui_type; /* 2 */
1101 u8 oui_subtype; /* 1 */
1102 u8 version; /* 1 for WMM version 1.0 */
1103 u8 qos_info; /* AP/STA specific QoS info */
1104 u8 reserved; /* 0 */
1105 /* AC_BE, AC_BK, AC_VI, AC_VO */
1106 struct ieee80211_wmm_ac_param ac[4];
1107 } __packed;
1108
1109 /* Control frames */
1110 struct ieee80211_rts {
1111 __le16 frame_control;
1112 __le16 duration;
1113 u8 ra[ETH_ALEN];
1114 u8 ta[ETH_ALEN];
1115 } __packed __aligned(2);
1116
1117 struct ieee80211_cts {
1118 __le16 frame_control;
1119 __le16 duration;
1120 u8 ra[ETH_ALEN];
1121 } __packed __aligned(2);
1122
1123 struct ieee80211_pspoll {
1124 __le16 frame_control;
1125 __le16 aid;
1126 u8 bssid[ETH_ALEN];
1127 u8 ta[ETH_ALEN];
1128 } __packed __aligned(2);
1129
1130 /* TDLS */
1131
1132 /* Channel switch timing */
1133 struct ieee80211_ch_switch_timing {
1134 __le16 switch_time;
1135 __le16 switch_timeout;
1136 } __packed;
1137
1138 /* Link-id information element */
1139 struct ieee80211_tdls_lnkie {
1140 u8 ie_type; /* Link Identifier IE */
1141 u8 ie_len;
1142 u8 bssid[ETH_ALEN];
1143 u8 init_sta[ETH_ALEN];
1144 u8 resp_sta[ETH_ALEN];
1145 } __packed;
1146
1147 struct ieee80211_tdls_data {
1148 u8 da[ETH_ALEN];
1149 u8 sa[ETH_ALEN];
1150 __be16 ether_type;
1151 u8 payload_type;
1152 u8 category;
1153 u8 action_code;
1154 union {
1155 struct {
1156 u8 dialog_token;
1157 __le16 capability;
1158 u8 variable[0];
1159 } __packed setup_req;
1160 struct {
1161 __le16 status_code;
1162 u8 dialog_token;
1163 __le16 capability;
1164 u8 variable[0];
1165 } __packed setup_resp;
1166 struct {
1167 __le16 status_code;
1168 u8 dialog_token;
1169 u8 variable[0];
1170 } __packed setup_cfm;
1171 struct {
1172 __le16 reason_code;
1173 u8 variable[0];
1174 } __packed teardown;
1175 struct {
1176 u8 dialog_token;
1177 u8 variable[0];
1178 } __packed discover_req;
1179 struct {
1180 u8 target_channel;
1181 u8 oper_class;
1182 u8 variable[0];
1183 } __packed chan_switch_req;
1184 struct {
1185 __le16 status_code;
1186 u8 variable[0];
1187 } __packed chan_switch_resp;
1188 } u;
1189 } __packed;
1190
1191 /*
1192 * Peer-to-Peer IE attribute related definitions.
1193 */
1194 /**
1195 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1196 */
1197 enum ieee80211_p2p_attr_id {
1198 IEEE80211_P2P_ATTR_STATUS = 0,
1199 IEEE80211_P2P_ATTR_MINOR_REASON,
1200 IEEE80211_P2P_ATTR_CAPABILITY,
1201 IEEE80211_P2P_ATTR_DEVICE_ID,
1202 IEEE80211_P2P_ATTR_GO_INTENT,
1203 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1204 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1205 IEEE80211_P2P_ATTR_GROUP_BSSID,
1206 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1207 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1208 IEEE80211_P2P_ATTR_MANAGABILITY,
1209 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1210 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1211 IEEE80211_P2P_ATTR_DEVICE_INFO,
1212 IEEE80211_P2P_ATTR_GROUP_INFO,
1213 IEEE80211_P2P_ATTR_GROUP_ID,
1214 IEEE80211_P2P_ATTR_INTERFACE,
1215 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1216 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1217 /* 19 - 220: Reserved */
1218 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1219
1220 IEEE80211_P2P_ATTR_MAX
1221 };
1222
1223 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1224 /* Typical max value used here */
1225 #define IEEE80211_P2P_NOA_DESC_MAX 4
1226
1227 struct ieee80211_p2p_noa_desc {
1228 u8 count;
1229 __le32 duration;
1230 __le32 interval;
1231 __le32 start_time;
1232 } __packed;
1233
1234 struct ieee80211_p2p_noa_attr {
1235 u8 index;
1236 u8 oppps_ctwindow;
1237 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1238 } __packed;
1239
1240 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1241 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1242
1243 /**
1244 * struct ieee80211_bar - HT Block Ack Request
1245 *
1246 * This structure refers to "HT BlockAckReq" as
1247 * described in 802.11n draft section 7.2.1.7.1
1248 */
1249 struct ieee80211_bar {
1250 __le16 frame_control;
1251 __le16 duration;
1252 __u8 ra[ETH_ALEN];
1253 __u8 ta[ETH_ALEN];
1254 __le16 control;
1255 __le16 start_seq_num;
1256 } __packed;
1257
1258 /* 802.11 BAR control masks */
1259 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1260 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1261 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1262 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1263 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1264
1265 #define IEEE80211_HT_MCS_MASK_LEN 10
1266
1267 /**
1268 * struct ieee80211_mcs_info - MCS information
1269 * @rx_mask: RX mask
1270 * @rx_highest: highest supported RX rate. If set represents
1271 * the highest supported RX data rate in units of 1 Mbps.
1272 * If this field is 0 this value should not be used to
1273 * consider the highest RX data rate supported.
1274 * @tx_params: TX parameters
1275 */
1276 struct ieee80211_mcs_info {
1277 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1278 __le16 rx_highest;
1279 u8 tx_params;
1280 u8 reserved[3];
1281 } __packed;
1282
1283 /* 802.11n HT capability MSC set */
1284 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1285 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1286 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1287 /* value 0 == 1 stream etc */
1288 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1289 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1290 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1291 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1292
1293 /*
1294 * 802.11n D5.0 20.3.5 / 20.6 says:
1295 * - indices 0 to 7 and 32 are single spatial stream
1296 * - 8 to 31 are multiple spatial streams using equal modulation
1297 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1298 * - remainder are multiple spatial streams using unequal modulation
1299 */
1300 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1301 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1302 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1303
1304 /**
1305 * struct ieee80211_ht_cap - HT capabilities
1306 *
1307 * This structure is the "HT capabilities element" as
1308 * described in 802.11n D5.0 7.3.2.57
1309 */
1310 struct ieee80211_ht_cap {
1311 __le16 cap_info;
1312 u8 ampdu_params_info;
1313
1314 /* 16 bytes MCS information */
1315 struct ieee80211_mcs_info mcs;
1316
1317 __le16 extended_ht_cap_info;
1318 __le32 tx_BF_cap_info;
1319 u8 antenna_selection_info;
1320 } __packed;
1321
1322 /* 802.11n HT capabilities masks (for cap_info) */
1323 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1324 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1325 #define IEEE80211_HT_CAP_SM_PS 0x000C
1326 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1327 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1328 #define IEEE80211_HT_CAP_SGI_20 0x0020
1329 #define IEEE80211_HT_CAP_SGI_40 0x0040
1330 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1331 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1332 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1333 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1334 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1335 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1336 #define IEEE80211_HT_CAP_RESERVED 0x2000
1337 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1338 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1339
1340 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1341 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1342 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1343 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1344 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1345 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1346 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1347 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1348
1349 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1350 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1351 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1352 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1353
1354 /*
1355 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1356 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1357 */
1358 enum ieee80211_max_ampdu_length_exp {
1359 IEEE80211_HT_MAX_AMPDU_8K = 0,
1360 IEEE80211_HT_MAX_AMPDU_16K = 1,
1361 IEEE80211_HT_MAX_AMPDU_32K = 2,
1362 IEEE80211_HT_MAX_AMPDU_64K = 3
1363 };
1364
1365 /*
1366 * Maximum length of AMPDU that the STA can receive in VHT.
1367 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1368 */
1369 enum ieee80211_vht_max_ampdu_length_exp {
1370 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1371 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1372 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1373 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1374 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1375 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1376 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1377 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1378 };
1379
1380 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1381
1382 /* Minimum MPDU start spacing */
1383 enum ieee80211_min_mpdu_spacing {
1384 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1385 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1386 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1387 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1388 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1389 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1390 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1391 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1392 };
1393
1394 /**
1395 * struct ieee80211_ht_operation - HT operation IE
1396 *
1397 * This structure is the "HT operation element" as
1398 * described in 802.11n-2009 7.3.2.57
1399 */
1400 struct ieee80211_ht_operation {
1401 u8 primary_chan;
1402 u8 ht_param;
1403 __le16 operation_mode;
1404 __le16 stbc_param;
1405 u8 basic_set[16];
1406 } __packed;
1407
1408 /* for ht_param */
1409 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1410 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1411 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1412 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1413 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1414 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1415
1416 /* for operation_mode */
1417 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1418 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1419 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1420 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1421 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1422 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1423 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1424 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1425 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1426
1427 /* for stbc_param */
1428 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1429 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1430 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1431 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1432 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1433 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1434
1435
1436 /* block-ack parameters */
1437 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1438 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1439 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1440 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1441 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1442 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1443
1444 /*
1445 * A-MPDU buffer sizes
1446 * According to HT size varies from 8 to 64 frames
1447 * HE adds the ability to have up to 256 frames.
1448 */
1449 #define IEEE80211_MIN_AMPDU_BUF 0x8
1450 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1451 #define IEEE80211_MAX_AMPDU_BUF 0x100
1452
1453
1454 /* Spatial Multiplexing Power Save Modes (for capability) */
1455 #define WLAN_HT_CAP_SM_PS_STATIC 0
1456 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1457 #define WLAN_HT_CAP_SM_PS_INVALID 2
1458 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1459
1460 /* for SM power control field lower two bits */
1461 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1462 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1463 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1464
1465 /**
1466 * struct ieee80211_vht_mcs_info - VHT MCS information
1467 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1468 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1469 * STA can receive. Rate expressed in units of 1 Mbps.
1470 * If this field is 0 this value should not be used to
1471 * consider the highest RX data rate supported.
1472 * The top 3 bits of this field indicate the Maximum NSTS,total
1473 * (a beamformee capability.)
1474 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1475 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1476 * STA can transmit. Rate expressed in units of 1 Mbps.
1477 * If this field is 0 this value should not be used to
1478 * consider the highest TX data rate supported.
1479 * The top 2 bits of this field are reserved, the
1480 * 3rd bit from the top indiciates VHT Extended NSS BW
1481 * Capability.
1482 */
1483 struct ieee80211_vht_mcs_info {
1484 __le16 rx_mcs_map;
1485 __le16 rx_highest;
1486 __le16 tx_mcs_map;
1487 __le16 tx_highest;
1488 } __packed;
1489
1490 /* for rx_highest */
1491 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1492 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1493
1494 /* for tx_highest */
1495 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1496
1497 /**
1498 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1499 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1500 * number of streams
1501 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1502 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1503 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1504 *
1505 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1506 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1507 * both split into 8 subfields by number of streams. These values indicate
1508 * which MCSes are supported for the number of streams the value appears
1509 * for.
1510 */
1511 enum ieee80211_vht_mcs_support {
1512 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1513 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1514 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1515 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1516 };
1517
1518 /**
1519 * struct ieee80211_vht_cap - VHT capabilities
1520 *
1521 * This structure is the "VHT capabilities element" as
1522 * described in 802.11ac D3.0 8.4.2.160
1523 * @vht_cap_info: VHT capability info
1524 * @supp_mcs: VHT MCS supported rates
1525 */
1526 struct ieee80211_vht_cap {
1527 __le32 vht_cap_info;
1528 struct ieee80211_vht_mcs_info supp_mcs;
1529 } __packed;
1530
1531 /**
1532 * enum ieee80211_vht_chanwidth - VHT channel width
1533 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1534 * determine the channel width (20 or 40 MHz)
1535 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1536 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1537 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1538 */
1539 enum ieee80211_vht_chanwidth {
1540 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1541 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1542 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1543 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1544 };
1545
1546 /**
1547 * struct ieee80211_vht_operation - VHT operation IE
1548 *
1549 * This structure is the "VHT operation element" as
1550 * described in 802.11ac D3.0 8.4.2.161
1551 * @chan_width: Operating channel width
1552 * @center_freq_seg0_idx: center freq segment 0 index
1553 * @center_freq_seg1_idx: center freq segment 1 index
1554 * @basic_mcs_set: VHT Basic MCS rate set
1555 */
1556 struct ieee80211_vht_operation {
1557 u8 chan_width;
1558 u8 center_freq_seg0_idx;
1559 u8 center_freq_seg1_idx;
1560 __le16 basic_mcs_set;
1561 } __packed;
1562
1563 /**
1564 * struct ieee80211_he_cap_elem - HE capabilities element
1565 *
1566 * This structure is the "HE capabilities element" fixed fields as
1567 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1568 */
1569 struct ieee80211_he_cap_elem {
1570 u8 mac_cap_info[6];
1571 u8 phy_cap_info[11];
1572 } __packed;
1573
1574 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1575
1576 /**
1577 * enum ieee80211_he_mcs_support - HE MCS support definitions
1578 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1579 * number of streams
1580 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1581 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1582 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1583 *
1584 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1585 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1586 * both split into 8 subfields by number of streams. These values indicate
1587 * which MCSes are supported for the number of streams the value appears
1588 * for.
1589 */
1590 enum ieee80211_he_mcs_support {
1591 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1592 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1593 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1594 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1595 };
1596
1597 /**
1598 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1599 *
1600 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1601 * described in P802.11ax_D2.0 section 9.4.2.237.4
1602 *
1603 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1604 * widths less than 80MHz.
1605 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1606 * widths less than 80MHz.
1607 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1608 * width 160MHz.
1609 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1610 * width 160MHz.
1611 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1612 * channel width 80p80MHz.
1613 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1614 * channel width 80p80MHz.
1615 */
1616 struct ieee80211_he_mcs_nss_supp {
1617 __le16 rx_mcs_80;
1618 __le16 tx_mcs_80;
1619 __le16 rx_mcs_160;
1620 __le16 tx_mcs_160;
1621 __le16 rx_mcs_80p80;
1622 __le16 tx_mcs_80p80;
1623 } __packed;
1624
1625 /**
1626 * struct ieee80211_he_operation - HE capabilities element
1627 *
1628 * This structure is the "HE operation element" fields as
1629 * described in P802.11ax_D4.0 section 9.4.2.243
1630 */
1631 struct ieee80211_he_operation {
1632 __le32 he_oper_params;
1633 __le16 he_mcs_nss_set;
1634 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1635 u8 optional[0];
1636 } __packed;
1637
1638 /**
1639 * struct ieee80211_he_spr - HE spatial reuse element
1640 *
1641 * This structure is the "HE spatial reuse element" element as
1642 * described in P802.11ax_D4.0 section 9.4.2.241
1643 */
1644 struct ieee80211_he_spr {
1645 u8 he_sr_control;
1646 /* Optional 0 to 19 bytes: depends on @he_sr_control */
1647 u8 optional[0];
1648 } __packed;
1649
1650 /**
1651 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1652 *
1653 * This structure is the "MU AC Parameter Record" fields as
1654 * described in P802.11ax_D4.0 section 9.4.2.245
1655 */
1656 struct ieee80211_he_mu_edca_param_ac_rec {
1657 u8 aifsn;
1658 u8 ecw_min_max;
1659 u8 mu_edca_timer;
1660 } __packed;
1661
1662 /**
1663 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1664 *
1665 * This structure is the "MU EDCA Parameter Set element" fields as
1666 * described in P802.11ax_D4.0 section 9.4.2.245
1667 */
1668 struct ieee80211_mu_edca_param_set {
1669 u8 mu_qos_info;
1670 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1671 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1672 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1673 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1674 } __packed;
1675
1676 /* 802.11ac VHT Capabilities */
1677 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1678 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1679 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1680 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1681 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1682 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1683 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1684 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
1685 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1686 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1687 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1688 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1689 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1690 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1691 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1692 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1693 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1694 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
1695 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1696 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1697 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1698 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1699 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1700 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1701 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1702 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1703 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1704 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1705 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1706 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1707 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1708 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1709 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1710 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1711 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1712 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1713 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1714 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
1715 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
1716
1717 /**
1718 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1719 * @cap: VHT capabilities of the peer
1720 * @bw: bandwidth to use
1721 * @mcs: MCS index to use
1722 * @ext_nss_bw_capable: indicates whether or not the local transmitter
1723 * (rate scaling algorithm) can deal with the new logic
1724 * (dot11VHTExtendedNSSBWCapable)
1725 *
1726 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1727 * vary for a given BW/MCS. This function parses the data.
1728 *
1729 * Note: This function is exported by cfg80211.
1730 */
1731 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1732 enum ieee80211_vht_chanwidth bw,
1733 int mcs, bool ext_nss_bw_capable);
1734
1735 /* 802.11ax HE MAC capabilities */
1736 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
1737 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
1738 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
1739 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
1740 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
1741 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
1742 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
1743 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
1744 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
1745 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
1746 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
1747 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
1748 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
1749 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
1750 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
1751 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
1752 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
1753
1754 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
1755 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
1756 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
1757 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
1758 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
1759 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
1760 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
1761 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
1762 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
1763 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
1764 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
1765 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
1766 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
1767 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
1768 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
1769 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
1770 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
1771 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
1772
1773 /* Link adaptation is split between byte HE_MAC_CAP1 and
1774 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1775 * in which case the following values apply:
1776 * 0 = No feedback.
1777 * 1 = reserved.
1778 * 2 = Unsolicited feedback.
1779 * 3 = both
1780 */
1781 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
1782
1783 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
1784 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
1785 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
1786 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
1787 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
1788 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
1789 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
1790 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
1791
1792 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
1793 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
1794
1795 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1796 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1797 * same field in the HE capabilities.
1798 */
1799 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1800 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08
1801 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10
1802 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18
1803 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
1804 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
1805 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
1806 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
1807
1808 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
1809 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
1810 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
1811 #define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08
1812 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
1813 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
1814 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40
1815 /* Multi TID agg TX is split between byte #4 and #5
1816 * The value is a combination of B39,B40,B41
1817 */
1818 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
1819
1820 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
1821 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
1822 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04
1823 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
1824 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
1825 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
1826 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
1827 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
1828
1829 /* 802.11ax HE PHY capabilities */
1830 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
1831 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
1832 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
1833 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
1834 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
1835 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
1836 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
1837
1838 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
1839 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
1840 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1841 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1842 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
1843 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
1844 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
1845 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
1846 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1847 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
1848
1849 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
1850 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
1851 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
1852 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
1853 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
1854 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
1855
1856 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1857 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1858 * case it indicates support for Tx.
1859 */
1860 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
1861 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
1862
1863 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
1864 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
1865 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
1866 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
1867 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
1868 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
1869 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
1870 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
1871 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
1874 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
1875 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
1876 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
1877 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40
1878 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
1879
1880 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
1881 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
1882
1883 /* Minimal allowed value of Max STS under 80MHz is 3 */
1884 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
1885 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
1886 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
1887 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
1888 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
1889 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
1890
1891 /* Minimal allowed value of Max STS above 80MHz is 3 */
1892 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
1895 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
1896 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
1897 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
1898
1899 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
1900 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
1901 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
1902 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
1903 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
1904 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
1905 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
1906 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
1907 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
1908
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
1915 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
1916 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
1917 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
1918
1919 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
1920 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
1921
1922 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
1923 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
1924 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04
1925 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08
1926 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
1927 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
1928 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
1929 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
1930
1931 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01
1932 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02
1933 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
1934 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
1935 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
1936 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
1937 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
1938 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
1939 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
1940 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
1941 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
1942 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
1943 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
1944
1945 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
1946 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
1947 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
1948 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
1949 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
1950 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
1951 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
1952 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
1953 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
1954 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
1955 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
1956
1957 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
1958 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
1959 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
1960 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
1961 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
1962 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1963 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
1964 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
1965 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
1966 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
1967 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
1968
1969 /* 802.11ax HE TX/RX MCS NSS Support */
1970 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
1971 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
1972 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
1973 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
1974 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
1975
1976 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1977 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1978 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1979 HIGHEST_MCS_SUPPORTED_MCS8,
1980 HIGHEST_MCS_SUPPORTED_MCS9,
1981 HIGHEST_MCS_SUPPORTED_MCS10,
1982 HIGHEST_MCS_SUPPORTED_MCS11,
1983 };
1984
1985 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1986 static inline u8
1987 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1988 {
1989 u8 count = 4;
1990
1991 if (he_cap->phy_cap_info[0] &
1992 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1993 count += 4;
1994
1995 if (he_cap->phy_cap_info[0] &
1996 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1997 count += 4;
1998
1999 return count;
2000 }
2001
2002 /* 802.11ax HE PPE Thresholds */
2003 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2004 #define IEEE80211_PPE_THRES_NSS_POS (0)
2005 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2006 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2007 (BIT(5) | BIT(6))
2008 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2009 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2010 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2011
2012 /*
2013 * Calculate 802.11ax HE capabilities IE PPE field size
2014 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2015 */
2016 static inline u8
2017 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2018 {
2019 u8 n;
2020
2021 if ((phy_cap_info[6] &
2022 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2023 return 0;
2024
2025 n = hweight8(ppe_thres_hdr &
2026 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2027 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2028 IEEE80211_PPE_THRES_NSS_POS));
2029
2030 /*
2031 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2032 * total size.
2033 */
2034 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2035 n = DIV_ROUND_UP(n, 8);
2036
2037 return n;
2038 }
2039
2040 /* HE Operation defines */
2041 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003
2042 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2043 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2044 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2045 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2046 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2047 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2048 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2049 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2050 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2051 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2052 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2053
2054 /*
2055 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2056 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2057 * after the ext ID byte. It is assumed that he_oper_ie has at least
2058 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2059 * validated this.
2060 * @return the actual size of the IE data (not including header), or 0 on error
2061 */
2062 static inline u8
2063 ieee80211_he_oper_size(const u8 *he_oper_ie)
2064 {
2065 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2066 u8 oper_len = sizeof(struct ieee80211_he_operation);
2067 u32 he_oper_params;
2068
2069 /* Make sure the input is not NULL */
2070 if (!he_oper_ie)
2071 return 0;
2072
2073 /* Calc required length */
2074 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2075 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2076 oper_len += 3;
2077 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2078 oper_len++;
2079 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2080 oper_len += 4;
2081
2082 /* Add the first byte (extension ID) to the total length */
2083 oper_len++;
2084
2085 return oper_len;
2086 }
2087
2088 /* HE Spatial Reuse defines */
2089 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT 0x4
2090 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT 0x8
2091
2092 /*
2093 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2094 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
2095 * after the ext ID byte. It is assumed that he_spr_ie has at least
2096 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2097 * this
2098 * @return the actual size of the IE data (not including header), or 0 on error
2099 */
2100 static inline u8
2101 ieee80211_he_spr_size(const u8 *he_spr_ie)
2102 {
2103 struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2104 u8 spr_len = sizeof(struct ieee80211_he_spr);
2105 u32 he_spr_params;
2106
2107 /* Make sure the input is not NULL */
2108 if (!he_spr_ie)
2109 return 0;
2110
2111 /* Calc required length */
2112 he_spr_params = le32_to_cpu(he_spr->he_sr_control);
2113 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2114 spr_len++;
2115 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2116 spr_len += 18;
2117
2118 /* Add the first byte (extension ID) to the total length */
2119 spr_len++;
2120
2121 return spr_len;
2122 }
2123
2124 /* Authentication algorithms */
2125 #define WLAN_AUTH_OPEN 0
2126 #define WLAN_AUTH_SHARED_KEY 1
2127 #define WLAN_AUTH_FT 2
2128 #define WLAN_AUTH_SAE 3
2129 #define WLAN_AUTH_FILS_SK 4
2130 #define WLAN_AUTH_FILS_SK_PFS 5
2131 #define WLAN_AUTH_FILS_PK 6
2132 #define WLAN_AUTH_LEAP 128
2133
2134 #define WLAN_AUTH_CHALLENGE_LEN 128
2135
2136 #define WLAN_CAPABILITY_ESS (1<<0)
2137 #define WLAN_CAPABILITY_IBSS (1<<1)
2138
2139 /*
2140 * A mesh STA sets the ESS and IBSS capability bits to zero.
2141 * however, this holds true for p2p probe responses (in the p2p_find
2142 * phase) as well.
2143 */
2144 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2145 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2146
2147 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
2148 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2149 #define WLAN_CAPABILITY_PRIVACY (1<<4)
2150 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
2151 #define WLAN_CAPABILITY_PBCC (1<<6)
2152 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2153
2154 /* 802.11h */
2155 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
2156 #define WLAN_CAPABILITY_QOS (1<<9)
2157 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2158 #define WLAN_CAPABILITY_APSD (1<<11)
2159 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
2160 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
2161 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
2162 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
2163
2164 /* DMG (60gHz) 802.11ad */
2165 /* type - bits 0..1 */
2166 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
2167 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
2168 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
2169 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
2170
2171 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
2172 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
2173 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
2174 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
2175
2176 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
2177 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
2178
2179 /* measurement */
2180 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
2181 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
2182 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
2183
2184 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
2185 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
2186 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
2187 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
2188 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
2189
2190 /* 802.11g ERP information element */
2191 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2192 #define WLAN_ERP_USE_PROTECTION (1<<1)
2193 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2194
2195 /* WLAN_ERP_BARKER_PREAMBLE values */
2196 enum {
2197 WLAN_ERP_PREAMBLE_SHORT = 0,
2198 WLAN_ERP_PREAMBLE_LONG = 1,
2199 };
2200
2201 /* Band ID, 802.11ad #8.4.1.45 */
2202 enum {
2203 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2204 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
2205 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
2206 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
2207 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
2208 IEEE80211_BANDID_60G = 5, /* 60 GHz */
2209 };
2210
2211 /* Status codes */
2212 enum ieee80211_statuscode {
2213 WLAN_STATUS_SUCCESS = 0,
2214 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2215 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2216 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2217 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2218 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2219 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2220 WLAN_STATUS_CHALLENGE_FAIL = 15,
2221 WLAN_STATUS_AUTH_TIMEOUT = 16,
2222 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2223 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2224 /* 802.11b */
2225 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2226 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2227 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2228 /* 802.11h */
2229 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2230 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2231 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2232 /* 802.11g */
2233 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2234 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2235 /* 802.11w */
2236 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2237 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2238 /* 802.11i */
2239 WLAN_STATUS_INVALID_IE = 40,
2240 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2241 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2242 WLAN_STATUS_INVALID_AKMP = 43,
2243 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2244 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2245 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2246 /* 802.11e */
2247 WLAN_STATUS_UNSPECIFIED_QOS = 32,
2248 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2249 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2250 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2251 WLAN_STATUS_REQUEST_DECLINED = 37,
2252 WLAN_STATUS_INVALID_QOS_PARAM = 38,
2253 WLAN_STATUS_CHANGE_TSPEC = 39,
2254 WLAN_STATUS_WAIT_TS_DELAY = 47,
2255 WLAN_STATUS_NO_DIRECT_LINK = 48,
2256 WLAN_STATUS_STA_NOT_PRESENT = 49,
2257 WLAN_STATUS_STA_NOT_QSTA = 50,
2258 /* 802.11s */
2259 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2260 WLAN_STATUS_FCG_NOT_SUPP = 78,
2261 WLAN_STATUS_STA_NO_TBTT = 78,
2262 /* 802.11ad */
2263 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2264 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2265 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2266 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2267 WLAN_STATUS_PERFORMING_FST_NOW = 87,
2268 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2269 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2270 WLAN_STATUS_REJECT_DSE_BAND = 96,
2271 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2272 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2273 /* 802.11ai */
2274 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2275 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2276 };
2277
2278
2279 /* Reason codes */
2280 enum ieee80211_reasoncode {
2281 WLAN_REASON_UNSPECIFIED = 1,
2282 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2283 WLAN_REASON_DEAUTH_LEAVING = 3,
2284 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2285 WLAN_REASON_DISASSOC_AP_BUSY = 5,
2286 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2287 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2288 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2289 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2290 /* 802.11h */
2291 WLAN_REASON_DISASSOC_BAD_POWER = 10,
2292 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2293 /* 802.11i */
2294 WLAN_REASON_INVALID_IE = 13,
2295 WLAN_REASON_MIC_FAILURE = 14,
2296 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2297 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2298 WLAN_REASON_IE_DIFFERENT = 17,
2299 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2300 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2301 WLAN_REASON_INVALID_AKMP = 20,
2302 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2303 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2304 WLAN_REASON_IEEE8021X_FAILED = 23,
2305 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2306 /* TDLS (802.11z) */
2307 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2308 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2309 /* 802.11e */
2310 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2311 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2312 WLAN_REASON_DISASSOC_LOW_ACK = 34,
2313 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2314 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2315 WLAN_REASON_QSTA_NOT_USE = 37,
2316 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2317 WLAN_REASON_QSTA_TIMEOUT = 39,
2318 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2319 /* 802.11s */
2320 WLAN_REASON_MESH_PEER_CANCELED = 52,
2321 WLAN_REASON_MESH_MAX_PEERS = 53,
2322 WLAN_REASON_MESH_CONFIG = 54,
2323 WLAN_REASON_MESH_CLOSE = 55,
2324 WLAN_REASON_MESH_MAX_RETRIES = 56,
2325 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2326 WLAN_REASON_MESH_INVALID_GTK = 58,
2327 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2328 WLAN_REASON_MESH_INVALID_SECURITY = 60,
2329 WLAN_REASON_MESH_PATH_ERROR = 61,
2330 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2331 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2332 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2333 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2334 WLAN_REASON_MESH_CHAN = 66,
2335 };
2336
2337
2338 /* Information Element IDs */
2339 enum ieee80211_eid {
2340 WLAN_EID_SSID = 0,
2341 WLAN_EID_SUPP_RATES = 1,
2342 WLAN_EID_FH_PARAMS = 2, /* reserved now */
2343 WLAN_EID_DS_PARAMS = 3,
2344 WLAN_EID_CF_PARAMS = 4,
2345 WLAN_EID_TIM = 5,
2346 WLAN_EID_IBSS_PARAMS = 6,
2347 WLAN_EID_COUNTRY = 7,
2348 /* 8, 9 reserved */
2349 WLAN_EID_REQUEST = 10,
2350 WLAN_EID_QBSS_LOAD = 11,
2351 WLAN_EID_EDCA_PARAM_SET = 12,
2352 WLAN_EID_TSPEC = 13,
2353 WLAN_EID_TCLAS = 14,
2354 WLAN_EID_SCHEDULE = 15,
2355 WLAN_EID_CHALLENGE = 16,
2356 /* 17-31 reserved for challenge text extension */
2357 WLAN_EID_PWR_CONSTRAINT = 32,
2358 WLAN_EID_PWR_CAPABILITY = 33,
2359 WLAN_EID_TPC_REQUEST = 34,
2360 WLAN_EID_TPC_REPORT = 35,
2361 WLAN_EID_SUPPORTED_CHANNELS = 36,
2362 WLAN_EID_CHANNEL_SWITCH = 37,
2363 WLAN_EID_MEASURE_REQUEST = 38,
2364 WLAN_EID_MEASURE_REPORT = 39,
2365 WLAN_EID_QUIET = 40,
2366 WLAN_EID_IBSS_DFS = 41,
2367 WLAN_EID_ERP_INFO = 42,
2368 WLAN_EID_TS_DELAY = 43,
2369 WLAN_EID_TCLAS_PROCESSING = 44,
2370 WLAN_EID_HT_CAPABILITY = 45,
2371 WLAN_EID_QOS_CAPA = 46,
2372 /* 47 reserved for Broadcom */
2373 WLAN_EID_RSN = 48,
2374 WLAN_EID_802_15_COEX = 49,
2375 WLAN_EID_EXT_SUPP_RATES = 50,
2376 WLAN_EID_AP_CHAN_REPORT = 51,
2377 WLAN_EID_NEIGHBOR_REPORT = 52,
2378 WLAN_EID_RCPI = 53,
2379 WLAN_EID_MOBILITY_DOMAIN = 54,
2380 WLAN_EID_FAST_BSS_TRANSITION = 55,
2381 WLAN_EID_TIMEOUT_INTERVAL = 56,
2382 WLAN_EID_RIC_DATA = 57,
2383 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2384 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2385 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2386 WLAN_EID_HT_OPERATION = 61,
2387 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2388 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2389 WLAN_EID_ANTENNA_INFO = 64,
2390 WLAN_EID_RSNI = 65,
2391 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2392 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2393 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2394 WLAN_EID_TIME_ADVERTISEMENT = 69,
2395 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2396 WLAN_EID_MULTIPLE_BSSID = 71,
2397 WLAN_EID_BSS_COEX_2040 = 72,
2398 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2399 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2400 WLAN_EID_RIC_DESCRIPTOR = 75,
2401 WLAN_EID_MMIE = 76,
2402 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2403 WLAN_EID_EVENT_REQUEST = 78,
2404 WLAN_EID_EVENT_REPORT = 79,
2405 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2406 WLAN_EID_DIAGNOSTIC_REPORT = 81,
2407 WLAN_EID_LOCATION_PARAMS = 82,
2408 WLAN_EID_NON_TX_BSSID_CAP = 83,
2409 WLAN_EID_SSID_LIST = 84,
2410 WLAN_EID_MULTI_BSSID_IDX = 85,
2411 WLAN_EID_FMS_DESCRIPTOR = 86,
2412 WLAN_EID_FMS_REQUEST = 87,
2413 WLAN_EID_FMS_RESPONSE = 88,
2414 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2415 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2416 WLAN_EID_TSF_REQUEST = 91,
2417 WLAN_EID_TSF_RESPOSNE = 92,
2418 WLAN_EID_WNM_SLEEP_MODE = 93,
2419 WLAN_EID_TIM_BCAST_REQ = 94,
2420 WLAN_EID_TIM_BCAST_RESP = 95,
2421 WLAN_EID_COLL_IF_REPORT = 96,
2422 WLAN_EID_CHANNEL_USAGE = 97,
2423 WLAN_EID_TIME_ZONE = 98,
2424 WLAN_EID_DMS_REQUEST = 99,
2425 WLAN_EID_DMS_RESPONSE = 100,
2426 WLAN_EID_LINK_ID = 101,
2427 WLAN_EID_WAKEUP_SCHEDUL = 102,
2428 /* 103 reserved */
2429 WLAN_EID_CHAN_SWITCH_TIMING = 104,
2430 WLAN_EID_PTI_CONTROL = 105,
2431 WLAN_EID_PU_BUFFER_STATUS = 106,
2432 WLAN_EID_INTERWORKING = 107,
2433 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2434 WLAN_EID_EXPEDITED_BW_REQ = 109,
2435 WLAN_EID_QOS_MAP_SET = 110,
2436 WLAN_EID_ROAMING_CONSORTIUM = 111,
2437 WLAN_EID_EMERGENCY_ALERT = 112,
2438 WLAN_EID_MESH_CONFIG = 113,
2439 WLAN_EID_MESH_ID = 114,
2440 WLAN_EID_LINK_METRIC_REPORT = 115,
2441 WLAN_EID_CONGESTION_NOTIFICATION = 116,
2442 WLAN_EID_PEER_MGMT = 117,
2443 WLAN_EID_CHAN_SWITCH_PARAM = 118,
2444 WLAN_EID_MESH_AWAKE_WINDOW = 119,
2445 WLAN_EID_BEACON_TIMING = 120,
2446 WLAN_EID_MCCAOP_SETUP_REQ = 121,
2447 WLAN_EID_MCCAOP_SETUP_RESP = 122,
2448 WLAN_EID_MCCAOP_ADVERT = 123,
2449 WLAN_EID_MCCAOP_TEARDOWN = 124,
2450 WLAN_EID_GANN = 125,
2451 WLAN_EID_RANN = 126,
2452 WLAN_EID_EXT_CAPABILITY = 127,
2453 /* 128, 129 reserved for Agere */
2454 WLAN_EID_PREQ = 130,
2455 WLAN_EID_PREP = 131,
2456 WLAN_EID_PERR = 132,
2457 /* 133-136 reserved for Cisco */
2458 WLAN_EID_PXU = 137,
2459 WLAN_EID_PXUC = 138,
2460 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2461 WLAN_EID_MIC = 140,
2462 WLAN_EID_DESTINATION_URI = 141,
2463 WLAN_EID_UAPSD_COEX = 142,
2464 WLAN_EID_WAKEUP_SCHEDULE = 143,
2465 WLAN_EID_EXT_SCHEDULE = 144,
2466 WLAN_EID_STA_AVAILABILITY = 145,
2467 WLAN_EID_DMG_TSPEC = 146,
2468 WLAN_EID_DMG_AT = 147,
2469 WLAN_EID_DMG_CAP = 148,
2470 /* 149 reserved for Cisco */
2471 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2472 WLAN_EID_DMG_OPERATION = 151,
2473 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2474 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2475 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2476 /* 155-156 reserved for Cisco */
2477 WLAN_EID_AWAKE_WINDOW = 157,
2478 WLAN_EID_MULTI_BAND = 158,
2479 WLAN_EID_ADDBA_EXT = 159,
2480 WLAN_EID_NEXT_PCP_LIST = 160,
2481 WLAN_EID_PCP_HANDOVER = 161,
2482 WLAN_EID_DMG_LINK_MARGIN = 162,
2483 WLAN_EID_SWITCHING_STREAM = 163,
2484 WLAN_EID_SESSION_TRANSITION = 164,
2485 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2486 WLAN_EID_CLUSTER_REPORT = 166,
2487 WLAN_EID_RELAY_CAP = 167,
2488 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2489 WLAN_EID_BEAM_LINK_MAINT = 169,
2490 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2491 WLAN_EID_U_PID = 171,
2492 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2493 /* 173 reserved for Symbol */
2494 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2495 WLAN_EID_QUIET_PERIOD_REQ = 175,
2496 /* 176 reserved for Symbol */
2497 WLAN_EID_QUIET_PERIOD_RESP = 177,
2498 /* 178-179 reserved for Symbol */
2499 /* 180 reserved for ISO/IEC 20011 */
2500 WLAN_EID_EPAC_POLICY = 182,
2501 WLAN_EID_CLISTER_TIME_OFF = 183,
2502 WLAN_EID_INTER_AC_PRIO = 184,
2503 WLAN_EID_SCS_DESCRIPTOR = 185,
2504 WLAN_EID_QLOAD_REPORT = 186,
2505 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2506 WLAN_EID_HL_STREAM_ID = 188,
2507 WLAN_EID_GCR_GROUP_ADDR = 189,
2508 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2509 WLAN_EID_VHT_CAPABILITY = 191,
2510 WLAN_EID_VHT_OPERATION = 192,
2511 WLAN_EID_EXTENDED_BSS_LOAD = 193,
2512 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2513 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2514 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2515 WLAN_EID_AID = 197,
2516 WLAN_EID_QUIET_CHANNEL = 198,
2517 WLAN_EID_OPMODE_NOTIF = 199,
2518
2519 WLAN_EID_VENDOR_SPECIFIC = 221,
2520 WLAN_EID_QOS_PARAMETER = 222,
2521 WLAN_EID_CAG_NUMBER = 237,
2522 WLAN_EID_AP_CSN = 239,
2523 WLAN_EID_FILS_INDICATION = 240,
2524 WLAN_EID_DILS = 241,
2525 WLAN_EID_FRAGMENT = 242,
2526 WLAN_EID_EXTENSION = 255
2527 };
2528
2529 /* Element ID Extensions for Element ID 255 */
2530 enum ieee80211_eid_ext {
2531 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2532 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2533 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2534 WLAN_EID_EXT_FILS_SESSION = 4,
2535 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2536 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2537 WLAN_EID_EXT_KEY_DELIVERY = 7,
2538 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2539 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2540 WLAN_EID_EXT_FILS_NONCE = 13,
2541 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2542 WLAN_EID_EXT_HE_CAPABILITY = 35,
2543 WLAN_EID_EXT_HE_OPERATION = 36,
2544 WLAN_EID_EXT_UORA = 37,
2545 WLAN_EID_EXT_HE_MU_EDCA = 38,
2546 WLAN_EID_EXT_HE_SPR = 39,
2547 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2548 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2549 WLAN_EID_EXT_NON_INHERITANCE = 56,
2550 };
2551
2552 /* Action category code */
2553 enum ieee80211_category {
2554 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2555 WLAN_CATEGORY_QOS = 1,
2556 WLAN_CATEGORY_DLS = 2,
2557 WLAN_CATEGORY_BACK = 3,
2558 WLAN_CATEGORY_PUBLIC = 4,
2559 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2560 WLAN_CATEGORY_HT = 7,
2561 WLAN_CATEGORY_SA_QUERY = 8,
2562 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2563 WLAN_CATEGORY_WNM = 10,
2564 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2565 WLAN_CATEGORY_TDLS = 12,
2566 WLAN_CATEGORY_MESH_ACTION = 13,
2567 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2568 WLAN_CATEGORY_SELF_PROTECTED = 15,
2569 WLAN_CATEGORY_DMG = 16,
2570 WLAN_CATEGORY_WMM = 17,
2571 WLAN_CATEGORY_FST = 18,
2572 WLAN_CATEGORY_UNPROT_DMG = 20,
2573 WLAN_CATEGORY_VHT = 21,
2574 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2575 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2576 };
2577
2578 /* SPECTRUM_MGMT action code */
2579 enum ieee80211_spectrum_mgmt_actioncode {
2580 WLAN_ACTION_SPCT_MSR_REQ = 0,
2581 WLAN_ACTION_SPCT_MSR_RPRT = 1,
2582 WLAN_ACTION_SPCT_TPC_REQ = 2,
2583 WLAN_ACTION_SPCT_TPC_RPRT = 3,
2584 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2585 };
2586
2587 /* HT action codes */
2588 enum ieee80211_ht_actioncode {
2589 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2590 WLAN_HT_ACTION_SMPS = 1,
2591 WLAN_HT_ACTION_PSMP = 2,
2592 WLAN_HT_ACTION_PCO_PHASE = 3,
2593 WLAN_HT_ACTION_CSI = 4,
2594 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2595 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2596 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2597 };
2598
2599 /* VHT action codes */
2600 enum ieee80211_vht_actioncode {
2601 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2602 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2603 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2604 };
2605
2606 /* Self Protected Action codes */
2607 enum ieee80211_self_protected_actioncode {
2608 WLAN_SP_RESERVED = 0,
2609 WLAN_SP_MESH_PEERING_OPEN = 1,
2610 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2611 WLAN_SP_MESH_PEERING_CLOSE = 3,
2612 WLAN_SP_MGK_INFORM = 4,
2613 WLAN_SP_MGK_ACK = 5,
2614 };
2615
2616 /* Mesh action codes */
2617 enum ieee80211_mesh_actioncode {
2618 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2619 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2620 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2621 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2622 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2623 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2624 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2625 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2626 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2627 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2628 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2629 };
2630
2631 /* Security key length */
2632 enum ieee80211_key_len {
2633 WLAN_KEY_LEN_WEP40 = 5,
2634 WLAN_KEY_LEN_WEP104 = 13,
2635 WLAN_KEY_LEN_CCMP = 16,
2636 WLAN_KEY_LEN_CCMP_256 = 32,
2637 WLAN_KEY_LEN_TKIP = 32,
2638 WLAN_KEY_LEN_AES_CMAC = 16,
2639 WLAN_KEY_LEN_SMS4 = 32,
2640 WLAN_KEY_LEN_GCMP = 16,
2641 WLAN_KEY_LEN_GCMP_256 = 32,
2642 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2643 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2644 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2645 };
2646
2647 #define IEEE80211_WEP_IV_LEN 4
2648 #define IEEE80211_WEP_ICV_LEN 4
2649 #define IEEE80211_CCMP_HDR_LEN 8
2650 #define IEEE80211_CCMP_MIC_LEN 8
2651 #define IEEE80211_CCMP_PN_LEN 6
2652 #define IEEE80211_CCMP_256_HDR_LEN 8
2653 #define IEEE80211_CCMP_256_MIC_LEN 16
2654 #define IEEE80211_CCMP_256_PN_LEN 6
2655 #define IEEE80211_TKIP_IV_LEN 8
2656 #define IEEE80211_TKIP_ICV_LEN 4
2657 #define IEEE80211_CMAC_PN_LEN 6
2658 #define IEEE80211_GMAC_PN_LEN 6
2659 #define IEEE80211_GCMP_HDR_LEN 8
2660 #define IEEE80211_GCMP_MIC_LEN 16
2661 #define IEEE80211_GCMP_PN_LEN 6
2662
2663 #define FILS_NONCE_LEN 16
2664 #define FILS_MAX_KEK_LEN 64
2665
2666 #define FILS_ERP_MAX_USERNAME_LEN 16
2667 #define FILS_ERP_MAX_REALM_LEN 253
2668 #define FILS_ERP_MAX_RRK_LEN 64
2669
2670 #define PMK_MAX_LEN 64
2671 #define SAE_PASSWORD_MAX_LEN 128
2672
2673 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2674 enum ieee80211_pub_actioncode {
2675 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2676 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2677 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2678 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2679 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2680 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2681 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2682 WLAN_PUB_ACTION_MSMT_PILOT = 7,
2683 WLAN_PUB_ACTION_DSE_PC = 8,
2684 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2685 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2686 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2687 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2688 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2689 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2690 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2691 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2692 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2693 WLAN_PUB_ACTION_QMF_POLICY = 18,
2694 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2695 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2696 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2697 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2698 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2699 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2700 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2701 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2702 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2703 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2704 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2705 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2706 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2707 WLAN_PUB_ACTION_FTM_REQUEST = 32,
2708 WLAN_PUB_ACTION_FTM = 33,
2709 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2710 };
2711
2712 /* TDLS action codes */
2713 enum ieee80211_tdls_actioncode {
2714 WLAN_TDLS_SETUP_REQUEST = 0,
2715 WLAN_TDLS_SETUP_RESPONSE = 1,
2716 WLAN_TDLS_SETUP_CONFIRM = 2,
2717 WLAN_TDLS_TEARDOWN = 3,
2718 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2719 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2720 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2721 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2722 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2723 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2724 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2725 };
2726
2727 /* Extended Channel Switching capability to be set in the 1st byte of
2728 * the @WLAN_EID_EXT_CAPABILITY information element
2729 */
2730 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2731
2732 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2733 * @WLAN_EID_EXT_CAPABILITY information element
2734 */
2735 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
2736
2737 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2738 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2739 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2740 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2741
2742 /* Interworking capabilities are set in 7th bit of 4th byte of the
2743 * @WLAN_EID_EXT_CAPABILITY information element
2744 */
2745 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2746
2747 /*
2748 * TDLS capabililites to be enabled in the 5th byte of the
2749 * @WLAN_EID_EXT_CAPABILITY information element
2750 */
2751 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2752 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2753 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
2754
2755 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
2756 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2757
2758 /* Defines the maximal number of MSDUs in an A-MSDU. */
2759 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2760 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2761
2762 /*
2763 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2764 * information element
2765 */
2766 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2767
2768 /* Defines support for TWT Requester and TWT Responder */
2769 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
2770 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
2771
2772 /*
2773 * When set, indicates that the AP is able to tolerate 26-tone RU UL
2774 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2775 * 26-tone RU UL OFDMA transmissions as radar pulses).
2776 */
2777 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2778
2779 /* Defines support for enhanced multi-bssid advertisement*/
2780 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
2781
2782 /* TDLS specific payload type in the LLC/SNAP header */
2783 #define WLAN_TDLS_SNAP_RFTYPE 0x2
2784
2785 /* BSS Coex IE information field bits */
2786 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2787
2788 /**
2789 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2790 *
2791 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2792 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2793 * that will be specified in a vendor specific information element
2794 */
2795 enum ieee80211_mesh_sync_method {
2796 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2797 IEEE80211_SYNC_METHOD_VENDOR = 255,
2798 };
2799
2800 /**
2801 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2802 *
2803 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2804 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2805 * be specified in a vendor specific information element
2806 */
2807 enum ieee80211_mesh_path_protocol {
2808 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2809 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2810 };
2811
2812 /**
2813 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2814 *
2815 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2816 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2817 * specified in a vendor specific information element
2818 */
2819 enum ieee80211_mesh_path_metric {
2820 IEEE80211_PATH_METRIC_AIRTIME = 1,
2821 IEEE80211_PATH_METRIC_VENDOR = 255,
2822 };
2823
2824 /**
2825 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2826 *
2827 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2828 *
2829 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2830 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2831 * this value
2832 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2833 * the proactive PREQ with proactive PREP subfield set to 0
2834 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2835 * supports the proactive PREQ with proactive PREP subfield set to 1
2836 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2837 * the proactive RANN
2838 */
2839 enum ieee80211_root_mode_identifier {
2840 IEEE80211_ROOTMODE_NO_ROOT = 0,
2841 IEEE80211_ROOTMODE_ROOT = 1,
2842 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2843 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2844 IEEE80211_PROACTIVE_RANN = 4,
2845 };
2846
2847 /*
2848 * IEEE 802.11-2007 7.3.2.9 Country information element
2849 *
2850 * Minimum length is 8 octets, ie len must be evenly
2851 * divisible by 2
2852 */
2853
2854 /* Although the spec says 8 I'm seeing 6 in practice */
2855 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2856
2857 /* The Country String field of the element shall be 3 octets in length */
2858 #define IEEE80211_COUNTRY_STRING_LEN 3
2859
2860 /*
2861 * For regulatory extension stuff see IEEE 802.11-2007
2862 * Annex I (page 1141) and Annex J (page 1147). Also
2863 * review 7.3.2.9.
2864 *
2865 * When dot11RegulatoryClassesRequired is true and the
2866 * first_channel/reg_extension_id is >= 201 then the IE
2867 * compromises of the 'ext' struct represented below:
2868 *
2869 * - Regulatory extension ID - when generating IE this just needs
2870 * to be monotonically increasing for each triplet passed in
2871 * the IE
2872 * - Regulatory class - index into set of rules
2873 * - Coverage class - index into air propagation time (Table 7-27),
2874 * in microseconds, you can compute the air propagation time from
2875 * the index by multiplying by 3, so index 10 yields a propagation
2876 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2877 * yet. A value of 0 inicates air propagation of <= 1 us.
2878 *
2879 * See also Table I.2 for Emission limit sets and table
2880 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2881 * a reg_class to an emission limit set and behavior limit set.
2882 */
2883 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2884
2885 /*
2886 * Channels numbers in the IE must be monotonically increasing
2887 * if dot11RegulatoryClassesRequired is not true.
2888 *
2889 * If dot11RegulatoryClassesRequired is true consecutive
2890 * subband triplets following a regulatory triplet shall
2891 * have monotonically increasing first_channel number fields.
2892 *
2893 * Channel numbers shall not overlap.
2894 *
2895 * Note that max_power is signed.
2896 */
2897 struct ieee80211_country_ie_triplet {
2898 union {
2899 struct {
2900 u8 first_channel;
2901 u8 num_channels;
2902 s8 max_power;
2903 } __packed chans;
2904 struct {
2905 u8 reg_extension_id;
2906 u8 reg_class;
2907 u8 coverage_class;
2908 } __packed ext;
2909 };
2910 } __packed;
2911
2912 enum ieee80211_timeout_interval_type {
2913 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2914 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2915 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2916 };
2917
2918 /**
2919 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2920 * @type: type, see &enum ieee80211_timeout_interval_type
2921 * @value: timeout interval value
2922 */
2923 struct ieee80211_timeout_interval_ie {
2924 u8 type;
2925 __le32 value;
2926 } __packed;
2927
2928 /**
2929 * enum ieee80211_idle_options - BSS idle options
2930 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2931 * protected frame to the AP to reset the idle timer at the AP for
2932 * the station.
2933 */
2934 enum ieee80211_idle_options {
2935 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2936 };
2937
2938 /**
2939 * struct ieee80211_bss_max_idle_period_ie
2940 *
2941 * This structure refers to "BSS Max idle period element"
2942 *
2943 * @max_idle_period: indicates the time period during which a station can
2944 * refrain from transmitting frames to its associated AP without being
2945 * disassociated. In units of 1000 TUs.
2946 * @idle_options: indicates the options associated with the BSS idle capability
2947 * as specified in &enum ieee80211_idle_options.
2948 */
2949 struct ieee80211_bss_max_idle_period_ie {
2950 __le16 max_idle_period;
2951 u8 idle_options;
2952 } __packed;
2953
2954 /* BACK action code */
2955 enum ieee80211_back_actioncode {
2956 WLAN_ACTION_ADDBA_REQ = 0,
2957 WLAN_ACTION_ADDBA_RESP = 1,
2958 WLAN_ACTION_DELBA = 2,
2959 };
2960
2961 /* BACK (block-ack) parties */
2962 enum ieee80211_back_parties {
2963 WLAN_BACK_RECIPIENT = 0,
2964 WLAN_BACK_INITIATOR = 1,
2965 };
2966
2967 /* SA Query action */
2968 enum ieee80211_sa_query_action {
2969 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2970 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2971 };
2972
2973 /**
2974 * struct ieee80211_bssid_index
2975 *
2976 * This structure refers to "Multiple BSSID-index element"
2977 *
2978 * @bssid_index: BSSID index
2979 * @dtim_period: optional, overrides transmitted BSS dtim period
2980 * @dtim_count: optional, overrides transmitted BSS dtim count
2981 */
2982 struct ieee80211_bssid_index {
2983 u8 bssid_index;
2984 u8 dtim_period;
2985 u8 dtim_count;
2986 };
2987
2988 /**
2989 * struct ieee80211_multiple_bssid_configuration
2990 *
2991 * This structure refers to "Multiple BSSID Configuration element"
2992 *
2993 * @bssid_count: total number of active BSSIDs in the set
2994 * @profile_periodicity: the least number of beacon frames need to be received
2995 * in order to discover all the nontransmitted BSSIDs in the set.
2996 */
2997 struct ieee80211_multiple_bssid_configuration {
2998 u8 bssid_count;
2999 u8 profile_periodicity;
3000 };
3001
3002 #define SUITE(oui, id) (((oui) << 8) | (id))
3003
3004 /* cipher suite selectors */
3005 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3006 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
3007 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
3008 /* reserved: SUITE(0x000FAC, 3) */
3009 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
3010 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
3011 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
3012 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
3013 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
3014 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
3015 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
3016 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
3017 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
3018
3019 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
3020
3021 /* AKM suite selectors */
3022 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
3023 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
3024 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
3025 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
3026 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
3027 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
3028 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
3029 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
3030 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
3031 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
3032 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
3033 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
3034 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
3035 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
3036 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
3037
3038 #define WLAN_MAX_KEY_LEN 32
3039
3040 #define WLAN_PMK_NAME_LEN 16
3041 #define WLAN_PMKID_LEN 16
3042 #define WLAN_PMK_LEN_EAP_LEAP 16
3043 #define WLAN_PMK_LEN 32
3044 #define WLAN_PMK_LEN_SUITE_B_192 48
3045
3046 #define WLAN_OUI_WFA 0x506f9a
3047 #define WLAN_OUI_TYPE_WFA_P2P 9
3048 #define WLAN_OUI_MICROSOFT 0x0050f2
3049 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
3050 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
3051 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
3052 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
3053
3054 /*
3055 * WMM/802.11e Tspec Element
3056 */
3057 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
3058 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
3059
3060 enum ieee80211_tspec_status_code {
3061 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3062 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3063 };
3064
3065 struct ieee80211_tspec_ie {
3066 u8 element_id;
3067 u8 len;
3068 u8 oui[3];
3069 u8 oui_type;
3070 u8 oui_subtype;
3071 u8 version;
3072 __le16 tsinfo;
3073 u8 tsinfo_resvd;
3074 __le16 nominal_msdu;
3075 __le16 max_msdu;
3076 __le32 min_service_int;
3077 __le32 max_service_int;
3078 __le32 inactivity_int;
3079 __le32 suspension_int;
3080 __le32 service_start_time;
3081 __le32 min_data_rate;
3082 __le32 mean_data_rate;
3083 __le32 peak_data_rate;
3084 __le32 max_burst_size;
3085 __le32 delay_bound;
3086 __le32 min_phy_rate;
3087 __le16 sba;
3088 __le16 medium_time;
3089 } __packed;
3090
3091 /**
3092 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3093 * @hdr: the frame
3094 *
3095 * The qos ctrl bytes come after the frame_control, duration, seq_num
3096 * and 3 or 4 addresses of length ETH_ALEN.
3097 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3098 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3099 */
3100 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3101 {
3102 if (ieee80211_has_a4(hdr->frame_control))
3103 return (u8 *)hdr + 30;
3104 else
3105 return (u8 *)hdr + 24;
3106 }
3107
3108 /**
3109 * ieee80211_get_tid - get qos TID
3110 * @hdr: the frame
3111 */
3112 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3113 {
3114 u8 *qc = ieee80211_get_qos_ctl(hdr);
3115
3116 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3117 }
3118
3119 /**
3120 * ieee80211_get_SA - get pointer to SA
3121 * @hdr: the frame
3122 *
3123 * Given an 802.11 frame, this function returns the offset
3124 * to the source address (SA). It does not verify that the
3125 * header is long enough to contain the address, and the
3126 * header must be long enough to contain the frame control
3127 * field.
3128 */
3129 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3130 {
3131 if (ieee80211_has_a4(hdr->frame_control))
3132 return hdr->addr4;
3133 if (ieee80211_has_fromds(hdr->frame_control))
3134 return hdr->addr3;
3135 return hdr->addr2;
3136 }
3137
3138 /**
3139 * ieee80211_get_DA - get pointer to DA
3140 * @hdr: the frame
3141 *
3142 * Given an 802.11 frame, this function returns the offset
3143 * to the destination address (DA). It does not verify that
3144 * the header is long enough to contain the address, and the
3145 * header must be long enough to contain the frame control
3146 * field.
3147 */
3148 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3149 {
3150 if (ieee80211_has_tods(hdr->frame_control))
3151 return hdr->addr3;
3152 else
3153 return hdr->addr1;
3154 }
3155
3156 /**
3157 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3158 * @hdr: the frame (buffer must include at least the first octet of payload)
3159 */
3160 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3161 {
3162 if (ieee80211_is_disassoc(hdr->frame_control) ||
3163 ieee80211_is_deauth(hdr->frame_control))
3164 return true;
3165
3166 if (ieee80211_is_action(hdr->frame_control)) {
3167 u8 *category;
3168
3169 /*
3170 * Action frames, excluding Public Action frames, are Robust
3171 * Management Frames. However, if we are looking at a Protected
3172 * frame, skip the check since the data may be encrypted and
3173 * the frame has already been found to be a Robust Management
3174 * Frame (by the other end).
3175 */
3176 if (ieee80211_has_protected(hdr->frame_control))
3177 return true;
3178 category = ((u8 *) hdr) + 24;
3179 return *category != WLAN_CATEGORY_PUBLIC &&
3180 *category != WLAN_CATEGORY_HT &&
3181 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3182 *category != WLAN_CATEGORY_SELF_PROTECTED &&
3183 *category != WLAN_CATEGORY_UNPROT_DMG &&
3184 *category != WLAN_CATEGORY_VHT &&
3185 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3186 }
3187
3188 return false;
3189 }
3190
3191 /**
3192 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3193 * @skb: the skb containing the frame, length will be checked
3194 */
3195 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3196 {
3197 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3198 return false;
3199 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3200 }
3201
3202 /**
3203 * ieee80211_is_public_action - check if frame is a public action frame
3204 * @hdr: the frame
3205 * @len: length of the frame
3206 */
3207 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3208 size_t len)
3209 {
3210 struct ieee80211_mgmt *mgmt = (void *)hdr;
3211
3212 if (len < IEEE80211_MIN_ACTION_SIZE)
3213 return false;
3214 if (!ieee80211_is_action(hdr->frame_control))
3215 return false;
3216 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3217 }
3218
3219 /**
3220 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3221 * privacy action frame
3222 * @hdr: the frame
3223 */
3224 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3225 {
3226 struct ieee80211_mgmt *mgmt = (void *)hdr;
3227
3228 if (!ieee80211_is_action(hdr->frame_control) ||
3229 !is_multicast_ether_addr(hdr->addr1))
3230 return false;
3231
3232 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3233 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3234 }
3235
3236 /**
3237 * ieee80211_is_group_privacy_action - check if frame is a group addressed
3238 * privacy action frame
3239 * @skb: the skb containing the frame, length will be checked
3240 */
3241 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3242 {
3243 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3244 return false;
3245 return _ieee80211_is_group_privacy_action((void *)skb->data);
3246 }
3247
3248 /**
3249 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3250 * @tu: the TUs
3251 */
3252 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3253 {
3254 return 1024 * tu;
3255 }
3256
3257 /**
3258 * ieee80211_check_tim - check if AID bit is set in TIM
3259 * @tim: the TIM IE
3260 * @tim_len: length of the TIM IE
3261 * @aid: the AID to look for
3262 */
3263 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3264 u8 tim_len, u16 aid)
3265 {
3266 u8 mask;
3267 u8 index, indexn1, indexn2;
3268
3269 if (unlikely(!tim || tim_len < sizeof(*tim)))
3270 return false;
3271
3272 aid &= 0x3fff;
3273 index = aid / 8;
3274 mask = 1 << (aid & 7);
3275
3276 indexn1 = tim->bitmap_ctrl & 0xfe;
3277 indexn2 = tim_len + indexn1 - 4;
3278
3279 if (index < indexn1 || index > indexn2)
3280 return false;
3281
3282 index -= indexn1;
3283
3284 return !!(tim->virtual_map[index] & mask);
3285 }
3286
3287 /**
3288 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3289 * @skb: the skb containing the frame, length will not be checked
3290 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3291 *
3292 * This function assumes the frame is a data frame, and that the network header
3293 * is in the correct place.
3294 */
3295 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3296 {
3297 if (!skb_is_nonlinear(skb) &&
3298 skb->len > (skb_network_offset(skb) + 2)) {
3299 /* Point to where the indication of TDLS should start */
3300 const u8 *tdls_data = skb_network_header(skb) - 2;
3301
3302 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3303 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3304 tdls_data[3] == WLAN_CATEGORY_TDLS)
3305 return tdls_data[4];
3306 }
3307
3308 return -1;
3309 }
3310
3311 /* convert time units */
3312 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
3313 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
3314
3315 /**
3316 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3317 * @skb: the skb containing the frame, length will be checked
3318 *
3319 * This function checks if it's either TPC report action frame or Link
3320 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3321 * and 8.5.7.5 accordingly.
3322 */
3323 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3324 {
3325 struct ieee80211_mgmt *mgmt = (void *)skb->data;
3326
3327 if (!ieee80211_is_action(mgmt->frame_control))
3328 return false;
3329
3330 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3331 sizeof(mgmt->u.action.u.tpc_report))
3332 return false;
3333
3334 /*
3335 * TPC report - check that:
3336 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3337 * spectrum management action = 3 (TPC/Link Measurement report)
3338 * TPC report EID = 35
3339 * TPC report element length = 2
3340 *
3341 * The spectrum management's tpc_report struct is used here both for
3342 * parsing tpc_report and radio measurement's link measurement report
3343 * frame, since the relevant part is identical in both frames.
3344 */
3345 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3346 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3347 return false;
3348
3349 /* both spectrum mgmt and link measurement have same action code */
3350 if (mgmt->u.action.u.tpc_report.action_code !=
3351 WLAN_ACTION_SPCT_TPC_RPRT)
3352 return false;
3353
3354 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3355 mgmt->u.action.u.tpc_report.tpc_elem_length !=
3356 sizeof(struct ieee80211_tpc_report_ie))
3357 return false;
3358
3359 return true;
3360 }
3361
3362 struct element {
3363 u8 id;
3364 u8 datalen;
3365 u8 data[];
3366 } __packed;
3367
3368 /* element iteration helpers */
3369 #define for_each_element(_elem, _data, _datalen) \
3370 for (_elem = (const struct element *)(_data); \
3371 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3372 (int)sizeof(*_elem) && \
3373 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3374 (int)sizeof(*_elem) + _elem->datalen; \
3375 _elem = (const struct element *)(_elem->data + _elem->datalen))
3376
3377 #define for_each_element_id(element, _id, data, datalen) \
3378 for_each_element(element, data, datalen) \
3379 if (element->id == (_id))
3380
3381 #define for_each_element_extid(element, extid, _data, _datalen) \
3382 for_each_element(element, _data, _datalen) \
3383 if (element->id == WLAN_EID_EXTENSION && \
3384 element->datalen > 0 && \
3385 element->data[0] == (extid))
3386
3387 #define for_each_subelement(sub, element) \
3388 for_each_element(sub, (element)->data, (element)->datalen)
3389
3390 #define for_each_subelement_id(sub, id, element) \
3391 for_each_element_id(sub, id, (element)->data, (element)->datalen)
3392
3393 #define for_each_subelement_extid(sub, extid, element) \
3394 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3395
3396 /**
3397 * for_each_element_completed - determine if element parsing consumed all data
3398 * @element: element pointer after for_each_element() or friends
3399 * @data: same data pointer as passed to for_each_element() or friends
3400 * @datalen: same data length as passed to for_each_element() or friends
3401 *
3402 * This function returns %true if all the data was parsed or considered
3403 * while walking the elements. Only use this if your for_each_element()
3404 * loop cannot be broken out of, otherwise it always returns %false.
3405 *
3406 * If some data was malformed, this returns %false since the last parsed
3407 * element will not fill the whole remaining data.
3408 */
3409 static inline bool for_each_element_completed(const struct element *element,
3410 const void *data, size_t datalen)
3411 {
3412 return (const u8 *)element == (const u8 *)data + datalen;
3413 }
3414
3415 #endif /* LINUX_IEEE80211_H */
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