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1 /*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <asm/byteorder.h>
21
22 /*
23 * DS bit usage
24 *
25 * TA = transmitter address
26 * RA = receiver address
27 * DA = destination address
28 * SA = source address
29 *
30 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
31 * -----------------------------------------------------------------
32 * 0 0 DA SA BSSID - IBSS/DLS
33 * 0 1 DA BSSID SA - AP -> STA
34 * 1 0 BSSID SA DA - AP <- STA
35 * 1 1 RA TA DA SA unspecified (WDS)
36 */
37
38 #define FCS_LEN 4
39
40 #define IEEE80211_FCTL_VERS 0x0003
41 #define IEEE80211_FCTL_FTYPE 0x000c
42 #define IEEE80211_FCTL_STYPE 0x00f0
43 #define IEEE80211_FCTL_TODS 0x0100
44 #define IEEE80211_FCTL_FROMDS 0x0200
45 #define IEEE80211_FCTL_MOREFRAGS 0x0400
46 #define IEEE80211_FCTL_RETRY 0x0800
47 #define IEEE80211_FCTL_PM 0x1000
48 #define IEEE80211_FCTL_MOREDATA 0x2000
49 #define IEEE80211_FCTL_PROTECTED 0x4000
50 #define IEEE80211_FCTL_ORDER 0x8000
51 #define IEEE80211_FCTL_CTL_EXT 0x0f00
52
53 #define IEEE80211_SCTL_FRAG 0x000F
54 #define IEEE80211_SCTL_SEQ 0xFFF0
55
56 #define IEEE80211_FTYPE_MGMT 0x0000
57 #define IEEE80211_FTYPE_CTL 0x0004
58 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_FTYPE_EXT 0x000c
60
61 /* management */
62 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
63 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
64 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
65 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
66 #define IEEE80211_STYPE_PROBE_REQ 0x0040
67 #define IEEE80211_STYPE_PROBE_RESP 0x0050
68 #define IEEE80211_STYPE_BEACON 0x0080
69 #define IEEE80211_STYPE_ATIM 0x0090
70 #define IEEE80211_STYPE_DISASSOC 0x00A0
71 #define IEEE80211_STYPE_AUTH 0x00B0
72 #define IEEE80211_STYPE_DEAUTH 0x00C0
73 #define IEEE80211_STYPE_ACTION 0x00D0
74
75 /* control */
76 #define IEEE80211_STYPE_CTL_EXT 0x0060
77 #define IEEE80211_STYPE_BACK_REQ 0x0080
78 #define IEEE80211_STYPE_BACK 0x0090
79 #define IEEE80211_STYPE_PSPOLL 0x00A0
80 #define IEEE80211_STYPE_RTS 0x00B0
81 #define IEEE80211_STYPE_CTS 0x00C0
82 #define IEEE80211_STYPE_ACK 0x00D0
83 #define IEEE80211_STYPE_CFEND 0x00E0
84 #define IEEE80211_STYPE_CFENDACK 0x00F0
85
86 /* data */
87 #define IEEE80211_STYPE_DATA 0x0000
88 #define IEEE80211_STYPE_DATA_CFACK 0x0010
89 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
90 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
91 #define IEEE80211_STYPE_NULLFUNC 0x0040
92 #define IEEE80211_STYPE_CFACK 0x0050
93 #define IEEE80211_STYPE_CFPOLL 0x0060
94 #define IEEE80211_STYPE_CFACKPOLL 0x0070
95 #define IEEE80211_STYPE_QOS_DATA 0x0080
96 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
97 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
98 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
99 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
100 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
101 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
102 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
103
104 /* extension, added by 802.11ad */
105 #define IEEE80211_STYPE_DMG_BEACON 0x0000
106
107 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
108 #define IEEE80211_CTL_EXT_POLL 0x2000
109 #define IEEE80211_CTL_EXT_SPR 0x3000
110 #define IEEE80211_CTL_EXT_GRANT 0x4000
111 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
112 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
113 #define IEEE80211_CTL_EXT_SSW 0x8000
114 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
115 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
116
117
118 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
119 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
120 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
121
122 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
123 {
124 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
125 }
126
127 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
128 {
129 return (sn1 + sn2) & IEEE80211_SN_MASK;
130 }
131
132 static inline u16 ieee80211_sn_inc(u16 sn)
133 {
134 return ieee80211_sn_add(sn, 1);
135 }
136
137 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
138 {
139 return (sn1 - sn2) & IEEE80211_SN_MASK;
140 }
141
142 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
143 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
144
145 /* miscellaneous IEEE 802.11 constants */
146 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
147 #define IEEE80211_MAX_RTS_THRESHOLD 2353
148 #define IEEE80211_MAX_AID 2007
149 #define IEEE80211_MAX_TIM_LEN 251
150 #define IEEE80211_MAX_MESH_PEERINGS 63
151 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
152 6.2.1.1.2.
153
154 802.11e clarifies the figure in section 7.1.2. The frame body is
155 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
156 #define IEEE80211_MAX_DATA_LEN 2304
157 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
158 * to 7920 bytes, see 8.2.3 General frame format
159 */
160 #define IEEE80211_MAX_DATA_LEN_DMG 7920
161 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
162 #define IEEE80211_MAX_FRAME_LEN 2352
163
164 #define IEEE80211_MAX_SSID_LEN 32
165
166 #define IEEE80211_MAX_MESH_ID_LEN 32
167
168 #define IEEE80211_NUM_TIDS 16
169
170 #define IEEE80211_QOS_CTL_LEN 2
171 /* 1d tag mask */
172 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
173 /* TID mask */
174 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
175 /* EOSP */
176 #define IEEE80211_QOS_CTL_EOSP 0x0010
177 /* ACK policy */
178 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
179 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
180 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
181 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
182 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
183 /* A-MSDU 802.11n */
184 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
185 /* Mesh Control 802.11s */
186 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
187
188 /* Mesh Power Save Level */
189 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
190 /* Mesh Receiver Service Period Initiated */
191 #define IEEE80211_QOS_CTL_RSPI 0x0400
192
193 /* U-APSD queue for WMM IEs sent by AP */
194 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
195 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
196
197 /* U-APSD queues for WMM IEs sent by STA */
198 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
199 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
200 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
201 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
202 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
203
204 /* U-APSD max SP length for WMM IEs sent by STA */
205 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
206 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
207 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
208 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
209 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
210 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
211
212 #define IEEE80211_HT_CTL_LEN 4
213
214 struct ieee80211_hdr {
215 __le16 frame_control;
216 __le16 duration_id;
217 u8 addr1[ETH_ALEN];
218 u8 addr2[ETH_ALEN];
219 u8 addr3[ETH_ALEN];
220 __le16 seq_ctrl;
221 u8 addr4[ETH_ALEN];
222 } __packed __aligned(2);
223
224 struct ieee80211_hdr_3addr {
225 __le16 frame_control;
226 __le16 duration_id;
227 u8 addr1[ETH_ALEN];
228 u8 addr2[ETH_ALEN];
229 u8 addr3[ETH_ALEN];
230 __le16 seq_ctrl;
231 } __packed __aligned(2);
232
233 struct ieee80211_qos_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 __le16 qos_ctrl;
241 } __packed __aligned(2);
242
243 /**
244 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
245 * @fc: frame control bytes in little-endian byteorder
246 */
247 static inline int ieee80211_has_tods(__le16 fc)
248 {
249 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
250 }
251
252 /**
253 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
254 * @fc: frame control bytes in little-endian byteorder
255 */
256 static inline int ieee80211_has_fromds(__le16 fc)
257 {
258 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
259 }
260
261 /**
262 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
263 * @fc: frame control bytes in little-endian byteorder
264 */
265 static inline int ieee80211_has_a4(__le16 fc)
266 {
267 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
268 return (fc & tmp) == tmp;
269 }
270
271 /**
272 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
273 * @fc: frame control bytes in little-endian byteorder
274 */
275 static inline int ieee80211_has_morefrags(__le16 fc)
276 {
277 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
278 }
279
280 /**
281 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
282 * @fc: frame control bytes in little-endian byteorder
283 */
284 static inline int ieee80211_has_retry(__le16 fc)
285 {
286 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
287 }
288
289 /**
290 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
291 * @fc: frame control bytes in little-endian byteorder
292 */
293 static inline int ieee80211_has_pm(__le16 fc)
294 {
295 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
296 }
297
298 /**
299 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
300 * @fc: frame control bytes in little-endian byteorder
301 */
302 static inline int ieee80211_has_moredata(__le16 fc)
303 {
304 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
305 }
306
307 /**
308 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
309 * @fc: frame control bytes in little-endian byteorder
310 */
311 static inline int ieee80211_has_protected(__le16 fc)
312 {
313 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
314 }
315
316 /**
317 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
318 * @fc: frame control bytes in little-endian byteorder
319 */
320 static inline int ieee80211_has_order(__le16 fc)
321 {
322 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
323 }
324
325 /**
326 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
327 * @fc: frame control bytes in little-endian byteorder
328 */
329 static inline int ieee80211_is_mgmt(__le16 fc)
330 {
331 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
332 cpu_to_le16(IEEE80211_FTYPE_MGMT);
333 }
334
335 /**
336 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
337 * @fc: frame control bytes in little-endian byteorder
338 */
339 static inline int ieee80211_is_ctl(__le16 fc)
340 {
341 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
342 cpu_to_le16(IEEE80211_FTYPE_CTL);
343 }
344
345 /**
346 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
347 * @fc: frame control bytes in little-endian byteorder
348 */
349 static inline int ieee80211_is_data(__le16 fc)
350 {
351 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
352 cpu_to_le16(IEEE80211_FTYPE_DATA);
353 }
354
355 /**
356 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
357 * @fc: frame control bytes in little-endian byteorder
358 */
359 static inline int ieee80211_is_data_qos(__le16 fc)
360 {
361 /*
362 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
363 * to check the one bit
364 */
365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
366 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
367 }
368
369 /**
370 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
371 * @fc: frame control bytes in little-endian byteorder
372 */
373 static inline int ieee80211_is_data_present(__le16 fc)
374 {
375 /*
376 * mask with 0x40 and test that that bit is clear to only return true
377 * for the data-containing substypes.
378 */
379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
380 cpu_to_le16(IEEE80211_FTYPE_DATA);
381 }
382
383 /**
384 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
385 * @fc: frame control bytes in little-endian byteorder
386 */
387 static inline int ieee80211_is_assoc_req(__le16 fc)
388 {
389 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
391 }
392
393 /**
394 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
395 * @fc: frame control bytes in little-endian byteorder
396 */
397 static inline int ieee80211_is_assoc_resp(__le16 fc)
398 {
399 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
400 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
401 }
402
403 /**
404 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
405 * @fc: frame control bytes in little-endian byteorder
406 */
407 static inline int ieee80211_is_reassoc_req(__le16 fc)
408 {
409 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
410 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
411 }
412
413 /**
414 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
415 * @fc: frame control bytes in little-endian byteorder
416 */
417 static inline int ieee80211_is_reassoc_resp(__le16 fc)
418 {
419 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
420 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
421 }
422
423 /**
424 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
425 * @fc: frame control bytes in little-endian byteorder
426 */
427 static inline int ieee80211_is_probe_req(__le16 fc)
428 {
429 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
430 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
431 }
432
433 /**
434 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
435 * @fc: frame control bytes in little-endian byteorder
436 */
437 static inline int ieee80211_is_probe_resp(__le16 fc)
438 {
439 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
440 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
441 }
442
443 /**
444 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
445 * @fc: frame control bytes in little-endian byteorder
446 */
447 static inline int ieee80211_is_beacon(__le16 fc)
448 {
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
451 }
452
453 /**
454 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
455 * @fc: frame control bytes in little-endian byteorder
456 */
457 static inline int ieee80211_is_atim(__le16 fc)
458 {
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
461 }
462
463 /**
464 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
465 * @fc: frame control bytes in little-endian byteorder
466 */
467 static inline int ieee80211_is_disassoc(__le16 fc)
468 {
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
471 }
472
473 /**
474 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
475 * @fc: frame control bytes in little-endian byteorder
476 */
477 static inline int ieee80211_is_auth(__le16 fc)
478 {
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
481 }
482
483 /**
484 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
485 * @fc: frame control bytes in little-endian byteorder
486 */
487 static inline int ieee80211_is_deauth(__le16 fc)
488 {
489 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
490 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
491 }
492
493 /**
494 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
495 * @fc: frame control bytes in little-endian byteorder
496 */
497 static inline int ieee80211_is_action(__le16 fc)
498 {
499 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
500 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
501 }
502
503 /**
504 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
505 * @fc: frame control bytes in little-endian byteorder
506 */
507 static inline int ieee80211_is_back_req(__le16 fc)
508 {
509 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
510 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
511 }
512
513 /**
514 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
515 * @fc: frame control bytes in little-endian byteorder
516 */
517 static inline int ieee80211_is_back(__le16 fc)
518 {
519 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
520 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
521 }
522
523 /**
524 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
525 * @fc: frame control bytes in little-endian byteorder
526 */
527 static inline int ieee80211_is_pspoll(__le16 fc)
528 {
529 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
530 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
531 }
532
533 /**
534 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
535 * @fc: frame control bytes in little-endian byteorder
536 */
537 static inline int ieee80211_is_rts(__le16 fc)
538 {
539 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
540 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
541 }
542
543 /**
544 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
545 * @fc: frame control bytes in little-endian byteorder
546 */
547 static inline int ieee80211_is_cts(__le16 fc)
548 {
549 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
550 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
551 }
552
553 /**
554 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
555 * @fc: frame control bytes in little-endian byteorder
556 */
557 static inline int ieee80211_is_ack(__le16 fc)
558 {
559 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
560 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
561 }
562
563 /**
564 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
565 * @fc: frame control bytes in little-endian byteorder
566 */
567 static inline int ieee80211_is_cfend(__le16 fc)
568 {
569 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
570 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
571 }
572
573 /**
574 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
575 * @fc: frame control bytes in little-endian byteorder
576 */
577 static inline int ieee80211_is_cfendack(__le16 fc)
578 {
579 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
580 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
581 }
582
583 /**
584 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
585 * @fc: frame control bytes in little-endian byteorder
586 */
587 static inline int ieee80211_is_nullfunc(__le16 fc)
588 {
589 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
590 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
591 }
592
593 /**
594 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
595 * @fc: frame control bytes in little-endian byteorder
596 */
597 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
598 {
599 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
600 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
601 }
602
603 /**
604 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
605 * @fc: frame control field in little-endian byteorder
606 */
607 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
608 {
609 /* IEEE 802.11-2012, definition of "bufferable management frame";
610 * note that this ignores the IBSS special case. */
611 return ieee80211_is_mgmt(fc) &&
612 (ieee80211_is_action(fc) ||
613 ieee80211_is_disassoc(fc) ||
614 ieee80211_is_deauth(fc));
615 }
616
617 /**
618 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
619 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
620 */
621 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
622 {
623 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
624 }
625
626 struct ieee80211s_hdr {
627 u8 flags;
628 u8 ttl;
629 __le32 seqnum;
630 u8 eaddr1[ETH_ALEN];
631 u8 eaddr2[ETH_ALEN];
632 } __packed __aligned(2);
633
634 /* Mesh flags */
635 #define MESH_FLAGS_AE_A4 0x1
636 #define MESH_FLAGS_AE_A5_A6 0x2
637 #define MESH_FLAGS_AE 0x3
638 #define MESH_FLAGS_PS_DEEP 0x4
639
640 /**
641 * enum ieee80211_preq_flags - mesh PREQ element flags
642 *
643 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
644 */
645 enum ieee80211_preq_flags {
646 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
647 };
648
649 /**
650 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
651 *
652 * @IEEE80211_PREQ_TO_FLAG: target only subfield
653 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
654 */
655 enum ieee80211_preq_target_flags {
656 IEEE80211_PREQ_TO_FLAG = 1<<0,
657 IEEE80211_PREQ_USN_FLAG = 1<<2,
658 };
659
660 /**
661 * struct ieee80211_quiet_ie
662 *
663 * This structure refers to "Quiet information element"
664 */
665 struct ieee80211_quiet_ie {
666 u8 count;
667 u8 period;
668 __le16 duration;
669 __le16 offset;
670 } __packed;
671
672 /**
673 * struct ieee80211_msrment_ie
674 *
675 * This structure refers to "Measurement Request/Report information element"
676 */
677 struct ieee80211_msrment_ie {
678 u8 token;
679 u8 mode;
680 u8 type;
681 u8 request[0];
682 } __packed;
683
684 /**
685 * struct ieee80211_channel_sw_ie
686 *
687 * This structure refers to "Channel Switch Announcement information element"
688 */
689 struct ieee80211_channel_sw_ie {
690 u8 mode;
691 u8 new_ch_num;
692 u8 count;
693 } __packed;
694
695 /**
696 * struct ieee80211_ext_chansw_ie
697 *
698 * This structure represents the "Extended Channel Switch Announcement element"
699 */
700 struct ieee80211_ext_chansw_ie {
701 u8 mode;
702 u8 new_operating_class;
703 u8 new_ch_num;
704 u8 count;
705 } __packed;
706
707 /**
708 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
709 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
710 * values here
711 * This structure represents the "Secondary Channel Offset element"
712 */
713 struct ieee80211_sec_chan_offs_ie {
714 u8 sec_chan_offs;
715 } __packed;
716
717 /**
718 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
719 *
720 * This structure represents the "Mesh Channel Switch Paramters element"
721 */
722 struct ieee80211_mesh_chansw_params_ie {
723 u8 mesh_ttl;
724 u8 mesh_flags;
725 __le16 mesh_reason;
726 __le16 mesh_pre_value;
727 } __packed;
728
729 /**
730 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
731 */
732 struct ieee80211_wide_bw_chansw_ie {
733 u8 new_channel_width;
734 u8 new_center_freq_seg0, new_center_freq_seg1;
735 } __packed;
736
737 /**
738 * struct ieee80211_tim
739 *
740 * This structure refers to "Traffic Indication Map information element"
741 */
742 struct ieee80211_tim_ie {
743 u8 dtim_count;
744 u8 dtim_period;
745 u8 bitmap_ctrl;
746 /* variable size: 1 - 251 bytes */
747 u8 virtual_map[1];
748 } __packed;
749
750 /**
751 * struct ieee80211_meshconf_ie
752 *
753 * This structure refers to "Mesh Configuration information element"
754 */
755 struct ieee80211_meshconf_ie {
756 u8 meshconf_psel;
757 u8 meshconf_pmetric;
758 u8 meshconf_congest;
759 u8 meshconf_synch;
760 u8 meshconf_auth;
761 u8 meshconf_form;
762 u8 meshconf_cap;
763 } __packed;
764
765 /**
766 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
767 *
768 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
769 * additional mesh peerings with other mesh STAs
770 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
771 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
772 * is ongoing
773 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
774 * neighbors in deep sleep mode
775 */
776 enum mesh_config_capab_flags {
777 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
778 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
779 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
780 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
781 };
782
783 /**
784 * mesh channel switch parameters element's flag indicator
785 *
786 */
787 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
788 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
789 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
790
791 /**
792 * struct ieee80211_rann_ie
793 *
794 * This structure refers to "Root Announcement information element"
795 */
796 struct ieee80211_rann_ie {
797 u8 rann_flags;
798 u8 rann_hopcount;
799 u8 rann_ttl;
800 u8 rann_addr[ETH_ALEN];
801 __le32 rann_seq;
802 __le32 rann_interval;
803 __le32 rann_metric;
804 } __packed;
805
806 enum ieee80211_rann_flags {
807 RANN_FLAG_IS_GATE = 1 << 0,
808 };
809
810 enum ieee80211_ht_chanwidth_values {
811 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
812 IEEE80211_HT_CHANWIDTH_ANY = 1,
813 };
814
815 /**
816 * enum ieee80211_opmode_bits - VHT operating mode field bits
817 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
818 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
819 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
820 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
821 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
822 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
823 * (the NSS value is the value of this field + 1)
824 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
825 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
826 * using a beamforming steering matrix
827 */
828 enum ieee80211_vht_opmode_bits {
829 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
830 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
831 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
832 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
833 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
834 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
835 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
836 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
837 };
838
839 #define WLAN_SA_QUERY_TR_ID_LEN 2
840
841 struct ieee80211_mgmt {
842 __le16 frame_control;
843 __le16 duration;
844 u8 da[ETH_ALEN];
845 u8 sa[ETH_ALEN];
846 u8 bssid[ETH_ALEN];
847 __le16 seq_ctrl;
848 union {
849 struct {
850 __le16 auth_alg;
851 __le16 auth_transaction;
852 __le16 status_code;
853 /* possibly followed by Challenge text */
854 u8 variable[0];
855 } __packed auth;
856 struct {
857 __le16 reason_code;
858 } __packed deauth;
859 struct {
860 __le16 capab_info;
861 __le16 listen_interval;
862 /* followed by SSID and Supported rates */
863 u8 variable[0];
864 } __packed assoc_req;
865 struct {
866 __le16 capab_info;
867 __le16 status_code;
868 __le16 aid;
869 /* followed by Supported rates */
870 u8 variable[0];
871 } __packed assoc_resp, reassoc_resp;
872 struct {
873 __le16 capab_info;
874 __le16 listen_interval;
875 u8 current_ap[ETH_ALEN];
876 /* followed by SSID and Supported rates */
877 u8 variable[0];
878 } __packed reassoc_req;
879 struct {
880 __le16 reason_code;
881 } __packed disassoc;
882 struct {
883 __le64 timestamp;
884 __le16 beacon_int;
885 __le16 capab_info;
886 /* followed by some of SSID, Supported rates,
887 * FH Params, DS Params, CF Params, IBSS Params, TIM */
888 u8 variable[0];
889 } __packed beacon;
890 struct {
891 /* only variable items: SSID, Supported rates */
892 u8 variable[0];
893 } __packed probe_req;
894 struct {
895 __le64 timestamp;
896 __le16 beacon_int;
897 __le16 capab_info;
898 /* followed by some of SSID, Supported rates,
899 * FH Params, DS Params, CF Params, IBSS Params */
900 u8 variable[0];
901 } __packed probe_resp;
902 struct {
903 u8 category;
904 union {
905 struct {
906 u8 action_code;
907 u8 dialog_token;
908 u8 status_code;
909 u8 variable[0];
910 } __packed wme_action;
911 struct{
912 u8 action_code;
913 u8 variable[0];
914 } __packed chan_switch;
915 struct{
916 u8 action_code;
917 struct ieee80211_ext_chansw_ie data;
918 u8 variable[0];
919 } __packed ext_chan_switch;
920 struct{
921 u8 action_code;
922 u8 dialog_token;
923 u8 element_id;
924 u8 length;
925 struct ieee80211_msrment_ie msr_elem;
926 } __packed measurement;
927 struct{
928 u8 action_code;
929 u8 dialog_token;
930 __le16 capab;
931 __le16 timeout;
932 __le16 start_seq_num;
933 } __packed addba_req;
934 struct{
935 u8 action_code;
936 u8 dialog_token;
937 __le16 status;
938 __le16 capab;
939 __le16 timeout;
940 } __packed addba_resp;
941 struct{
942 u8 action_code;
943 __le16 params;
944 __le16 reason_code;
945 } __packed delba;
946 struct {
947 u8 action_code;
948 u8 variable[0];
949 } __packed self_prot;
950 struct{
951 u8 action_code;
952 u8 variable[0];
953 } __packed mesh_action;
954 struct {
955 u8 action;
956 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
957 } __packed sa_query;
958 struct {
959 u8 action;
960 u8 smps_control;
961 } __packed ht_smps;
962 struct {
963 u8 action_code;
964 u8 chanwidth;
965 } __packed ht_notify_cw;
966 struct {
967 u8 action_code;
968 u8 dialog_token;
969 __le16 capability;
970 u8 variable[0];
971 } __packed tdls_discover_resp;
972 struct {
973 u8 action_code;
974 u8 operating_mode;
975 } __packed vht_opmode_notif;
976 } u;
977 } __packed action;
978 } u;
979 } __packed __aligned(2);
980
981 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
982 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
983
984 /* mgmt header + 1 byte category code */
985 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
986
987
988 /* Management MIC information element (IEEE 802.11w) */
989 struct ieee80211_mmie {
990 u8 element_id;
991 u8 length;
992 __le16 key_id;
993 u8 sequence_number[6];
994 u8 mic[8];
995 } __packed;
996
997 struct ieee80211_vendor_ie {
998 u8 element_id;
999 u8 len;
1000 u8 oui[3];
1001 u8 oui_type;
1002 } __packed;
1003
1004 /* Control frames */
1005 struct ieee80211_rts {
1006 __le16 frame_control;
1007 __le16 duration;
1008 u8 ra[ETH_ALEN];
1009 u8 ta[ETH_ALEN];
1010 } __packed __aligned(2);
1011
1012 struct ieee80211_cts {
1013 __le16 frame_control;
1014 __le16 duration;
1015 u8 ra[ETH_ALEN];
1016 } __packed __aligned(2);
1017
1018 struct ieee80211_pspoll {
1019 __le16 frame_control;
1020 __le16 aid;
1021 u8 bssid[ETH_ALEN];
1022 u8 ta[ETH_ALEN];
1023 } __packed __aligned(2);
1024
1025 /* TDLS */
1026
1027 /* Link-id information element */
1028 struct ieee80211_tdls_lnkie {
1029 u8 ie_type; /* Link Identifier IE */
1030 u8 ie_len;
1031 u8 bssid[ETH_ALEN];
1032 u8 init_sta[ETH_ALEN];
1033 u8 resp_sta[ETH_ALEN];
1034 } __packed;
1035
1036 struct ieee80211_tdls_data {
1037 u8 da[ETH_ALEN];
1038 u8 sa[ETH_ALEN];
1039 __be16 ether_type;
1040 u8 payload_type;
1041 u8 category;
1042 u8 action_code;
1043 union {
1044 struct {
1045 u8 dialog_token;
1046 __le16 capability;
1047 u8 variable[0];
1048 } __packed setup_req;
1049 struct {
1050 __le16 status_code;
1051 u8 dialog_token;
1052 __le16 capability;
1053 u8 variable[0];
1054 } __packed setup_resp;
1055 struct {
1056 __le16 status_code;
1057 u8 dialog_token;
1058 u8 variable[0];
1059 } __packed setup_cfm;
1060 struct {
1061 __le16 reason_code;
1062 u8 variable[0];
1063 } __packed teardown;
1064 struct {
1065 u8 dialog_token;
1066 u8 variable[0];
1067 } __packed discover_req;
1068 } u;
1069 } __packed;
1070
1071 /*
1072 * Peer-to-Peer IE attribute related definitions.
1073 */
1074 /**
1075 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1076 */
1077 enum ieee80211_p2p_attr_id {
1078 IEEE80211_P2P_ATTR_STATUS = 0,
1079 IEEE80211_P2P_ATTR_MINOR_REASON,
1080 IEEE80211_P2P_ATTR_CAPABILITY,
1081 IEEE80211_P2P_ATTR_DEVICE_ID,
1082 IEEE80211_P2P_ATTR_GO_INTENT,
1083 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1084 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1085 IEEE80211_P2P_ATTR_GROUP_BSSID,
1086 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1087 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1088 IEEE80211_P2P_ATTR_MANAGABILITY,
1089 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1090 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1091 IEEE80211_P2P_ATTR_DEVICE_INFO,
1092 IEEE80211_P2P_ATTR_GROUP_INFO,
1093 IEEE80211_P2P_ATTR_GROUP_ID,
1094 IEEE80211_P2P_ATTR_INTERFACE,
1095 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1096 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1097 /* 19 - 220: Reserved */
1098 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1099
1100 IEEE80211_P2P_ATTR_MAX
1101 };
1102
1103 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1104 /* Typical max value used here */
1105 #define IEEE80211_P2P_NOA_DESC_MAX 4
1106
1107 struct ieee80211_p2p_noa_desc {
1108 u8 count;
1109 __le32 duration;
1110 __le32 interval;
1111 __le32 start_time;
1112 } __packed;
1113
1114 struct ieee80211_p2p_noa_attr {
1115 u8 index;
1116 u8 oppps_ctwindow;
1117 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1118 } __packed;
1119
1120 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1121 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1122
1123 /**
1124 * struct ieee80211_bar - HT Block Ack Request
1125 *
1126 * This structure refers to "HT BlockAckReq" as
1127 * described in 802.11n draft section 7.2.1.7.1
1128 */
1129 struct ieee80211_bar {
1130 __le16 frame_control;
1131 __le16 duration;
1132 __u8 ra[ETH_ALEN];
1133 __u8 ta[ETH_ALEN];
1134 __le16 control;
1135 __le16 start_seq_num;
1136 } __packed;
1137
1138 /* 802.11 BAR control masks */
1139 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1140 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1141 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1142 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1143 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1144
1145 #define IEEE80211_HT_MCS_MASK_LEN 10
1146
1147 /**
1148 * struct ieee80211_mcs_info - MCS information
1149 * @rx_mask: RX mask
1150 * @rx_highest: highest supported RX rate. If set represents
1151 * the highest supported RX data rate in units of 1 Mbps.
1152 * If this field is 0 this value should not be used to
1153 * consider the highest RX data rate supported.
1154 * @tx_params: TX parameters
1155 */
1156 struct ieee80211_mcs_info {
1157 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1158 __le16 rx_highest;
1159 u8 tx_params;
1160 u8 reserved[3];
1161 } __packed;
1162
1163 /* 802.11n HT capability MSC set */
1164 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1165 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1166 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1167 /* value 0 == 1 stream etc */
1168 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1169 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1170 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1171 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1172
1173 /*
1174 * 802.11n D5.0 20.3.5 / 20.6 says:
1175 * - indices 0 to 7 and 32 are single spatial stream
1176 * - 8 to 31 are multiple spatial streams using equal modulation
1177 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1178 * - remainder are multiple spatial streams using unequal modulation
1179 */
1180 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1181 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1182 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1183
1184 /**
1185 * struct ieee80211_ht_cap - HT capabilities
1186 *
1187 * This structure is the "HT capabilities element" as
1188 * described in 802.11n D5.0 7.3.2.57
1189 */
1190 struct ieee80211_ht_cap {
1191 __le16 cap_info;
1192 u8 ampdu_params_info;
1193
1194 /* 16 bytes MCS information */
1195 struct ieee80211_mcs_info mcs;
1196
1197 __le16 extended_ht_cap_info;
1198 __le32 tx_BF_cap_info;
1199 u8 antenna_selection_info;
1200 } __packed;
1201
1202 /* 802.11n HT capabilities masks (for cap_info) */
1203 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1204 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1205 #define IEEE80211_HT_CAP_SM_PS 0x000C
1206 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1207 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1208 #define IEEE80211_HT_CAP_SGI_20 0x0020
1209 #define IEEE80211_HT_CAP_SGI_40 0x0040
1210 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1211 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1212 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1213 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1214 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1215 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1216 #define IEEE80211_HT_CAP_RESERVED 0x2000
1217 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1218 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1219
1220 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1221 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1222 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1223 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1224 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1225 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1226 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1227 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1228
1229 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1230 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1231 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1232 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1233
1234 /*
1235 * Maximum length of AMPDU that the STA can receive.
1236 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1237 */
1238 enum ieee80211_max_ampdu_length_exp {
1239 IEEE80211_HT_MAX_AMPDU_8K = 0,
1240 IEEE80211_HT_MAX_AMPDU_16K = 1,
1241 IEEE80211_HT_MAX_AMPDU_32K = 2,
1242 IEEE80211_HT_MAX_AMPDU_64K = 3
1243 };
1244
1245 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1246
1247 /* Minimum MPDU start spacing */
1248 enum ieee80211_min_mpdu_spacing {
1249 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1250 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1251 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1252 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1253 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1254 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1255 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1256 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1257 };
1258
1259 /**
1260 * struct ieee80211_ht_operation - HT operation IE
1261 *
1262 * This structure is the "HT operation element" as
1263 * described in 802.11n-2009 7.3.2.57
1264 */
1265 struct ieee80211_ht_operation {
1266 u8 primary_chan;
1267 u8 ht_param;
1268 __le16 operation_mode;
1269 __le16 stbc_param;
1270 u8 basic_set[16];
1271 } __packed;
1272
1273 /* for ht_param */
1274 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1275 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1276 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1277 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1278 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1279 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1280
1281 /* for operation_mode */
1282 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1283 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1284 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1285 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1286 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1287 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1288 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1289
1290 /* for stbc_param */
1291 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1292 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1293 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1294 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1295 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1296 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1297
1298
1299 /* block-ack parameters */
1300 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1301 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1302 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1303 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1304 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1305
1306 /*
1307 * A-PMDU buffer sizes
1308 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1309 */
1310 #define IEEE80211_MIN_AMPDU_BUF 0x8
1311 #define IEEE80211_MAX_AMPDU_BUF 0x40
1312
1313
1314 /* Spatial Multiplexing Power Save Modes (for capability) */
1315 #define WLAN_HT_CAP_SM_PS_STATIC 0
1316 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1317 #define WLAN_HT_CAP_SM_PS_INVALID 2
1318 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1319
1320 /* for SM power control field lower two bits */
1321 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1322 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1323 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1324
1325 /**
1326 * struct ieee80211_vht_mcs_info - VHT MCS information
1327 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1328 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1329 * STA can receive. Rate expressed in units of 1 Mbps.
1330 * If this field is 0 this value should not be used to
1331 * consider the highest RX data rate supported.
1332 * The top 3 bits of this field are reserved.
1333 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1334 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1335 * STA can transmit. Rate expressed in units of 1 Mbps.
1336 * If this field is 0 this value should not be used to
1337 * consider the highest TX data rate supported.
1338 * The top 3 bits of this field are reserved.
1339 */
1340 struct ieee80211_vht_mcs_info {
1341 __le16 rx_mcs_map;
1342 __le16 rx_highest;
1343 __le16 tx_mcs_map;
1344 __le16 tx_highest;
1345 } __packed;
1346
1347 /**
1348 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1349 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1350 * number of streams
1351 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1352 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1353 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1354 *
1355 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1356 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1357 * both split into 8 subfields by number of streams. These values indicate
1358 * which MCSes are supported for the number of streams the value appears
1359 * for.
1360 */
1361 enum ieee80211_vht_mcs_support {
1362 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1363 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1364 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1365 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1366 };
1367
1368 /**
1369 * struct ieee80211_vht_cap - VHT capabilities
1370 *
1371 * This structure is the "VHT capabilities element" as
1372 * described in 802.11ac D3.0 8.4.2.160
1373 * @vht_cap_info: VHT capability info
1374 * @supp_mcs: VHT MCS supported rates
1375 */
1376 struct ieee80211_vht_cap {
1377 __le32 vht_cap_info;
1378 struct ieee80211_vht_mcs_info supp_mcs;
1379 } __packed;
1380
1381 /**
1382 * enum ieee80211_vht_chanwidth - VHT channel width
1383 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1384 * determine the channel width (20 or 40 MHz)
1385 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1386 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1387 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1388 */
1389 enum ieee80211_vht_chanwidth {
1390 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1391 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1392 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1393 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1394 };
1395
1396 /**
1397 * struct ieee80211_vht_operation - VHT operation IE
1398 *
1399 * This structure is the "VHT operation element" as
1400 * described in 802.11ac D3.0 8.4.2.161
1401 * @chan_width: Operating channel width
1402 * @center_freq_seg1_idx: center freq segment 1 index
1403 * @center_freq_seg2_idx: center freq segment 2 index
1404 * @basic_mcs_set: VHT Basic MCS rate set
1405 */
1406 struct ieee80211_vht_operation {
1407 u8 chan_width;
1408 u8 center_freq_seg1_idx;
1409 u8 center_freq_seg2_idx;
1410 __le16 basic_mcs_set;
1411 } __packed;
1412
1413
1414 /* 802.11ac VHT Capabilities */
1415 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1416 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1417 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1418 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1419 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1420 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1421 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1422 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1423 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1424 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1425 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1426 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1427 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1428 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1429 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1430 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1431 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1432 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1433 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1434 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1435 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1436 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1437 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1438 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1439 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1440 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1441 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1442 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1443 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1444 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1445 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1446 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1447 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1448 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1449
1450 /* Authentication algorithms */
1451 #define WLAN_AUTH_OPEN 0
1452 #define WLAN_AUTH_SHARED_KEY 1
1453 #define WLAN_AUTH_FT 2
1454 #define WLAN_AUTH_SAE 3
1455 #define WLAN_AUTH_LEAP 128
1456
1457 #define WLAN_AUTH_CHALLENGE_LEN 128
1458
1459 #define WLAN_CAPABILITY_ESS (1<<0)
1460 #define WLAN_CAPABILITY_IBSS (1<<1)
1461
1462 /*
1463 * A mesh STA sets the ESS and IBSS capability bits to zero.
1464 * however, this holds true for p2p probe responses (in the p2p_find
1465 * phase) as well.
1466 */
1467 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1468 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1469
1470 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1471 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1472 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1473 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1474 #define WLAN_CAPABILITY_PBCC (1<<6)
1475 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1476
1477 /* 802.11h */
1478 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1479 #define WLAN_CAPABILITY_QOS (1<<9)
1480 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1481 #define WLAN_CAPABILITY_APSD (1<<11)
1482 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1483 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1484 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1485 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1486
1487 /* DMG (60gHz) 802.11ad */
1488 /* type - bits 0..1 */
1489 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1490 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1491 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1492 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1493
1494 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1495 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1496 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1497 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1498
1499 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1500 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1501
1502 /* measurement */
1503 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1504 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1505 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1506
1507 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1508 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1509 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1510
1511 /* 802.11g ERP information element */
1512 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1513 #define WLAN_ERP_USE_PROTECTION (1<<1)
1514 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1515
1516 /* WLAN_ERP_BARKER_PREAMBLE values */
1517 enum {
1518 WLAN_ERP_PREAMBLE_SHORT = 0,
1519 WLAN_ERP_PREAMBLE_LONG = 1,
1520 };
1521
1522 /* Band ID, 802.11ad #8.4.1.45 */
1523 enum {
1524 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1525 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1526 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1527 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1528 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1529 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1530 };
1531
1532 /* Status codes */
1533 enum ieee80211_statuscode {
1534 WLAN_STATUS_SUCCESS = 0,
1535 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1536 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1537 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1538 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1539 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1540 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1541 WLAN_STATUS_CHALLENGE_FAIL = 15,
1542 WLAN_STATUS_AUTH_TIMEOUT = 16,
1543 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1544 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1545 /* 802.11b */
1546 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1547 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1548 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1549 /* 802.11h */
1550 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1551 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1552 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1553 /* 802.11g */
1554 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1555 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1556 /* 802.11w */
1557 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1558 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1559 /* 802.11i */
1560 WLAN_STATUS_INVALID_IE = 40,
1561 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1562 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1563 WLAN_STATUS_INVALID_AKMP = 43,
1564 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1565 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1566 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1567 /* 802.11e */
1568 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1569 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1570 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1571 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1572 WLAN_STATUS_REQUEST_DECLINED = 37,
1573 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1574 WLAN_STATUS_CHANGE_TSPEC = 39,
1575 WLAN_STATUS_WAIT_TS_DELAY = 47,
1576 WLAN_STATUS_NO_DIRECT_LINK = 48,
1577 WLAN_STATUS_STA_NOT_PRESENT = 49,
1578 WLAN_STATUS_STA_NOT_QSTA = 50,
1579 /* 802.11s */
1580 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1581 WLAN_STATUS_FCG_NOT_SUPP = 78,
1582 WLAN_STATUS_STA_NO_TBTT = 78,
1583 /* 802.11ad */
1584 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1585 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1586 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1587 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1588 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1589 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1590 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1591 WLAN_STATUS_REJECT_DSE_BAND = 96,
1592 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1593 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1594 };
1595
1596
1597 /* Reason codes */
1598 enum ieee80211_reasoncode {
1599 WLAN_REASON_UNSPECIFIED = 1,
1600 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1601 WLAN_REASON_DEAUTH_LEAVING = 3,
1602 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1603 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1604 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1605 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1606 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1607 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1608 /* 802.11h */
1609 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1610 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1611 /* 802.11i */
1612 WLAN_REASON_INVALID_IE = 13,
1613 WLAN_REASON_MIC_FAILURE = 14,
1614 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1615 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1616 WLAN_REASON_IE_DIFFERENT = 17,
1617 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1618 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1619 WLAN_REASON_INVALID_AKMP = 20,
1620 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1621 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1622 WLAN_REASON_IEEE8021X_FAILED = 23,
1623 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1624 /* 802.11e */
1625 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1626 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1627 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1628 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1629 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1630 WLAN_REASON_QSTA_NOT_USE = 37,
1631 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1632 WLAN_REASON_QSTA_TIMEOUT = 39,
1633 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1634 /* 802.11s */
1635 WLAN_REASON_MESH_PEER_CANCELED = 52,
1636 WLAN_REASON_MESH_MAX_PEERS = 53,
1637 WLAN_REASON_MESH_CONFIG = 54,
1638 WLAN_REASON_MESH_CLOSE = 55,
1639 WLAN_REASON_MESH_MAX_RETRIES = 56,
1640 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1641 WLAN_REASON_MESH_INVALID_GTK = 58,
1642 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1643 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1644 WLAN_REASON_MESH_PATH_ERROR = 61,
1645 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1646 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1647 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1648 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1649 WLAN_REASON_MESH_CHAN = 66,
1650 };
1651
1652
1653 /* Information Element IDs */
1654 enum ieee80211_eid {
1655 WLAN_EID_SSID = 0,
1656 WLAN_EID_SUPP_RATES = 1,
1657 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1658 WLAN_EID_DS_PARAMS = 3,
1659 WLAN_EID_CF_PARAMS = 4,
1660 WLAN_EID_TIM = 5,
1661 WLAN_EID_IBSS_PARAMS = 6,
1662 WLAN_EID_COUNTRY = 7,
1663 WLAN_EID_HP_PARAMS = 8,
1664 WLAN_EID_HP_TABLE = 9,
1665 WLAN_EID_REQUEST = 10,
1666 WLAN_EID_QBSS_LOAD = 11,
1667 WLAN_EID_EDCA_PARAM_SET = 12,
1668 WLAN_EID_TSPEC = 13,
1669 WLAN_EID_TCLAS = 14,
1670 WLAN_EID_SCHEDULE = 15,
1671 WLAN_EID_CHALLENGE = 16,
1672 /* 17-31 reserved for challenge text extension */
1673 WLAN_EID_PWR_CONSTRAINT = 32,
1674 WLAN_EID_PWR_CAPABILITY = 33,
1675 WLAN_EID_TPC_REQUEST = 34,
1676 WLAN_EID_TPC_REPORT = 35,
1677 WLAN_EID_SUPPORTED_CHANNELS = 36,
1678 WLAN_EID_CHANNEL_SWITCH = 37,
1679 WLAN_EID_MEASURE_REQUEST = 38,
1680 WLAN_EID_MEASURE_REPORT = 39,
1681 WLAN_EID_QUIET = 40,
1682 WLAN_EID_IBSS_DFS = 41,
1683 WLAN_EID_ERP_INFO = 42,
1684 WLAN_EID_TS_DELAY = 43,
1685 WLAN_EID_TCLAS_PROCESSING = 44,
1686 WLAN_EID_HT_CAPABILITY = 45,
1687 WLAN_EID_QOS_CAPA = 46,
1688 /* 47 reserved for Broadcom */
1689 WLAN_EID_RSN = 48,
1690 WLAN_EID_802_15_COEX = 49,
1691 WLAN_EID_EXT_SUPP_RATES = 50,
1692 WLAN_EID_AP_CHAN_REPORT = 51,
1693 WLAN_EID_NEIGHBOR_REPORT = 52,
1694 WLAN_EID_RCPI = 53,
1695 WLAN_EID_MOBILITY_DOMAIN = 54,
1696 WLAN_EID_FAST_BSS_TRANSITION = 55,
1697 WLAN_EID_TIMEOUT_INTERVAL = 56,
1698 WLAN_EID_RIC_DATA = 57,
1699 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1700 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1701 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1702 WLAN_EID_HT_OPERATION = 61,
1703 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1704 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1705 WLAN_EID_ANTENNA_INFO = 64,
1706 WLAN_EID_RSNI = 65,
1707 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1708 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1709 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1710 WLAN_EID_TIME_ADVERTISEMENT = 69,
1711 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1712 WLAN_EID_MULTIPLE_BSSID = 71,
1713 WLAN_EID_BSS_COEX_2040 = 72,
1714 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1715 WLAN_EID_RIC_DESCRIPTOR = 75,
1716 WLAN_EID_MMIE = 76,
1717 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1718 WLAN_EID_EVENT_REQUEST = 78,
1719 WLAN_EID_EVENT_REPORT = 79,
1720 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1721 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1722 WLAN_EID_LOCATION_PARAMS = 82,
1723 WLAN_EID_NON_TX_BSSID_CAP = 83,
1724 WLAN_EID_SSID_LIST = 84,
1725 WLAN_EID_MULTI_BSSID_IDX = 85,
1726 WLAN_EID_FMS_DESCRIPTOR = 86,
1727 WLAN_EID_FMS_REQUEST = 87,
1728 WLAN_EID_FMS_RESPONSE = 88,
1729 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1730 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1731 WLAN_EID_TSF_REQUEST = 91,
1732 WLAN_EID_TSF_RESPOSNE = 92,
1733 WLAN_EID_WNM_SLEEP_MODE = 93,
1734 WLAN_EID_TIM_BCAST_REQ = 94,
1735 WLAN_EID_TIM_BCAST_RESP = 95,
1736 WLAN_EID_COLL_IF_REPORT = 96,
1737 WLAN_EID_CHANNEL_USAGE = 97,
1738 WLAN_EID_TIME_ZONE = 98,
1739 WLAN_EID_DMS_REQUEST = 99,
1740 WLAN_EID_DMS_RESPONSE = 100,
1741 WLAN_EID_LINK_ID = 101,
1742 WLAN_EID_WAKEUP_SCHEDUL = 102,
1743 /* 103 reserved */
1744 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1745 WLAN_EID_PTI_CONTROL = 105,
1746 WLAN_EID_PU_BUFFER_STATUS = 106,
1747 WLAN_EID_INTERWORKING = 107,
1748 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1749 WLAN_EID_EXPEDITED_BW_REQ = 109,
1750 WLAN_EID_QOS_MAP_SET = 110,
1751 WLAN_EID_ROAMING_CONSORTIUM = 111,
1752 WLAN_EID_EMERGENCY_ALERT = 112,
1753 WLAN_EID_MESH_CONFIG = 113,
1754 WLAN_EID_MESH_ID = 114,
1755 WLAN_EID_LINK_METRIC_REPORT = 115,
1756 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1757 WLAN_EID_PEER_MGMT = 117,
1758 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1759 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1760 WLAN_EID_BEACON_TIMING = 120,
1761 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1762 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1763 WLAN_EID_MCCAOP_ADVERT = 123,
1764 WLAN_EID_MCCAOP_TEARDOWN = 124,
1765 WLAN_EID_GANN = 125,
1766 WLAN_EID_RANN = 126,
1767 WLAN_EID_EXT_CAPABILITY = 127,
1768 /* 128, 129 reserved for Agere */
1769 WLAN_EID_PREQ = 130,
1770 WLAN_EID_PREP = 131,
1771 WLAN_EID_PERR = 132,
1772 /* 133-136 reserved for Cisco */
1773 WLAN_EID_PXU = 137,
1774 WLAN_EID_PXUC = 138,
1775 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1776 WLAN_EID_MIC = 140,
1777 WLAN_EID_DESTINATION_URI = 141,
1778 WLAN_EID_UAPSD_COEX = 142,
1779 WLAN_EID_WAKEUP_SCHEDULE = 143,
1780 WLAN_EID_EXT_SCHEDULE = 144,
1781 WLAN_EID_STA_AVAILABILITY = 145,
1782 WLAN_EID_DMG_TSPEC = 146,
1783 WLAN_EID_DMG_AT = 147,
1784 WLAN_EID_DMG_CAP = 148,
1785 /* 149-150 reserved for Cisco */
1786 WLAN_EID_DMG_OPERATION = 151,
1787 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1788 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1789 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1790 /* 155-156 reserved for Cisco */
1791 WLAN_EID_AWAKE_WINDOW = 157,
1792 WLAN_EID_MULTI_BAND = 158,
1793 WLAN_EID_ADDBA_EXT = 159,
1794 WLAN_EID_NEXT_PCP_LIST = 160,
1795 WLAN_EID_PCP_HANDOVER = 161,
1796 WLAN_EID_DMG_LINK_MARGIN = 162,
1797 WLAN_EID_SWITCHING_STREAM = 163,
1798 WLAN_EID_SESSION_TRANSITION = 164,
1799 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1800 WLAN_EID_CLUSTER_REPORT = 166,
1801 WLAN_EID_RELAY_CAP = 167,
1802 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1803 WLAN_EID_BEAM_LINK_MAINT = 169,
1804 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1805 WLAN_EID_U_PID = 171,
1806 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1807 /* 173 reserved for Symbol */
1808 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1809 WLAN_EID_QUIET_PERIOD_REQ = 175,
1810 /* 176 reserved for Symbol */
1811 WLAN_EID_QUIET_PERIOD_RESP = 177,
1812 /* 178-179 reserved for Symbol */
1813 /* 180 reserved for ISO/IEC 20011 */
1814 WLAN_EID_EPAC_POLICY = 182,
1815 WLAN_EID_CLISTER_TIME_OFF = 183,
1816 WLAN_EID_INTER_AC_PRIO = 184,
1817 WLAN_EID_SCS_DESCRIPTOR = 185,
1818 WLAN_EID_QLOAD_REPORT = 186,
1819 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1820 WLAN_EID_HL_STREAM_ID = 188,
1821 WLAN_EID_GCR_GROUP_ADDR = 189,
1822 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1823 WLAN_EID_VHT_CAPABILITY = 191,
1824 WLAN_EID_VHT_OPERATION = 192,
1825 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1826 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1827 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1828 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1829 WLAN_EID_AID = 197,
1830 WLAN_EID_QUIET_CHANNEL = 198,
1831 WLAN_EID_OPMODE_NOTIF = 199,
1832
1833 WLAN_EID_VENDOR_SPECIFIC = 221,
1834 WLAN_EID_QOS_PARAMETER = 222,
1835 };
1836
1837 /* Action category code */
1838 enum ieee80211_category {
1839 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1840 WLAN_CATEGORY_QOS = 1,
1841 WLAN_CATEGORY_DLS = 2,
1842 WLAN_CATEGORY_BACK = 3,
1843 WLAN_CATEGORY_PUBLIC = 4,
1844 WLAN_CATEGORY_HT = 7,
1845 WLAN_CATEGORY_SA_QUERY = 8,
1846 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1847 WLAN_CATEGORY_TDLS = 12,
1848 WLAN_CATEGORY_MESH_ACTION = 13,
1849 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1850 WLAN_CATEGORY_SELF_PROTECTED = 15,
1851 WLAN_CATEGORY_DMG = 16,
1852 WLAN_CATEGORY_WMM = 17,
1853 WLAN_CATEGORY_FST = 18,
1854 WLAN_CATEGORY_UNPROT_DMG = 20,
1855 WLAN_CATEGORY_VHT = 21,
1856 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1857 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1858 };
1859
1860 /* SPECTRUM_MGMT action code */
1861 enum ieee80211_spectrum_mgmt_actioncode {
1862 WLAN_ACTION_SPCT_MSR_REQ = 0,
1863 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1864 WLAN_ACTION_SPCT_TPC_REQ = 2,
1865 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1866 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1867 };
1868
1869 /* HT action codes */
1870 enum ieee80211_ht_actioncode {
1871 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1872 WLAN_HT_ACTION_SMPS = 1,
1873 WLAN_HT_ACTION_PSMP = 2,
1874 WLAN_HT_ACTION_PCO_PHASE = 3,
1875 WLAN_HT_ACTION_CSI = 4,
1876 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1877 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1878 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1879 };
1880
1881 /* VHT action codes */
1882 enum ieee80211_vht_actioncode {
1883 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1884 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1885 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1886 };
1887
1888 /* Self Protected Action codes */
1889 enum ieee80211_self_protected_actioncode {
1890 WLAN_SP_RESERVED = 0,
1891 WLAN_SP_MESH_PEERING_OPEN = 1,
1892 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1893 WLAN_SP_MESH_PEERING_CLOSE = 3,
1894 WLAN_SP_MGK_INFORM = 4,
1895 WLAN_SP_MGK_ACK = 5,
1896 };
1897
1898 /* Mesh action codes */
1899 enum ieee80211_mesh_actioncode {
1900 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1901 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1902 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1903 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1904 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1905 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1906 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1907 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1908 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1909 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1910 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1911 };
1912
1913 /* Security key length */
1914 enum ieee80211_key_len {
1915 WLAN_KEY_LEN_WEP40 = 5,
1916 WLAN_KEY_LEN_WEP104 = 13,
1917 WLAN_KEY_LEN_CCMP = 16,
1918 WLAN_KEY_LEN_TKIP = 32,
1919 WLAN_KEY_LEN_AES_CMAC = 16,
1920 WLAN_KEY_LEN_SMS4 = 32,
1921 };
1922
1923 #define IEEE80211_WEP_IV_LEN 4
1924 #define IEEE80211_WEP_ICV_LEN 4
1925 #define IEEE80211_CCMP_HDR_LEN 8
1926 #define IEEE80211_CCMP_MIC_LEN 8
1927 #define IEEE80211_CCMP_PN_LEN 6
1928 #define IEEE80211_TKIP_IV_LEN 8
1929 #define IEEE80211_TKIP_ICV_LEN 4
1930 #define IEEE80211_CMAC_PN_LEN 6
1931
1932 /* Public action codes */
1933 enum ieee80211_pub_actioncode {
1934 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1935 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1936 };
1937
1938 /* TDLS action codes */
1939 enum ieee80211_tdls_actioncode {
1940 WLAN_TDLS_SETUP_REQUEST = 0,
1941 WLAN_TDLS_SETUP_RESPONSE = 1,
1942 WLAN_TDLS_SETUP_CONFIRM = 2,
1943 WLAN_TDLS_TEARDOWN = 3,
1944 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1945 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1946 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1947 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1948 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1949 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1950 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1951 };
1952
1953 /* Interworking capabilities are set in 7th bit of 4th byte of the
1954 * @WLAN_EID_EXT_CAPABILITY information element
1955 */
1956 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
1957
1958 /*
1959 * TDLS capabililites to be enabled in the 5th byte of the
1960 * @WLAN_EID_EXT_CAPABILITY information element
1961 */
1962 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1963 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1964
1965 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1966 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
1967
1968 /* TDLS specific payload type in the LLC/SNAP header */
1969 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1970
1971 /**
1972 * enum - mesh synchronization method identifier
1973 *
1974 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1975 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1976 * that will be specified in a vendor specific information element
1977 */
1978 enum {
1979 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1980 IEEE80211_SYNC_METHOD_VENDOR = 255,
1981 };
1982
1983 /**
1984 * enum - mesh path selection protocol identifier
1985 *
1986 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1987 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1988 * be specified in a vendor specific information element
1989 */
1990 enum {
1991 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1992 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1993 };
1994
1995 /**
1996 * enum - mesh path selection metric identifier
1997 *
1998 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1999 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2000 * specified in a vendor specific information element
2001 */
2002 enum {
2003 IEEE80211_PATH_METRIC_AIRTIME = 1,
2004 IEEE80211_PATH_METRIC_VENDOR = 255,
2005 };
2006
2007 /**
2008 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2009 *
2010 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2011 *
2012 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2013 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2014 * this value
2015 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2016 * the proactive PREQ with proactive PREP subfield set to 0
2017 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2018 * supports the proactive PREQ with proactive PREP subfield set to 1
2019 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2020 * the proactive RANN
2021 */
2022 enum ieee80211_root_mode_identifier {
2023 IEEE80211_ROOTMODE_NO_ROOT = 0,
2024 IEEE80211_ROOTMODE_ROOT = 1,
2025 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2026 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2027 IEEE80211_PROACTIVE_RANN = 4,
2028 };
2029
2030 /*
2031 * IEEE 802.11-2007 7.3.2.9 Country information element
2032 *
2033 * Minimum length is 8 octets, ie len must be evenly
2034 * divisible by 2
2035 */
2036
2037 /* Although the spec says 8 I'm seeing 6 in practice */
2038 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2039
2040 /* The Country String field of the element shall be 3 octets in length */
2041 #define IEEE80211_COUNTRY_STRING_LEN 3
2042
2043 /*
2044 * For regulatory extension stuff see IEEE 802.11-2007
2045 * Annex I (page 1141) and Annex J (page 1147). Also
2046 * review 7.3.2.9.
2047 *
2048 * When dot11RegulatoryClassesRequired is true and the
2049 * first_channel/reg_extension_id is >= 201 then the IE
2050 * compromises of the 'ext' struct represented below:
2051 *
2052 * - Regulatory extension ID - when generating IE this just needs
2053 * to be monotonically increasing for each triplet passed in
2054 * the IE
2055 * - Regulatory class - index into set of rules
2056 * - Coverage class - index into air propagation time (Table 7-27),
2057 * in microseconds, you can compute the air propagation time from
2058 * the index by multiplying by 3, so index 10 yields a propagation
2059 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2060 * yet. A value of 0 inicates air propagation of <= 1 us.
2061 *
2062 * See also Table I.2 for Emission limit sets and table
2063 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2064 * a reg_class to an emission limit set and behavior limit set.
2065 */
2066 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2067
2068 /*
2069 * Channels numbers in the IE must be monotonically increasing
2070 * if dot11RegulatoryClassesRequired is not true.
2071 *
2072 * If dot11RegulatoryClassesRequired is true consecutive
2073 * subband triplets following a regulatory triplet shall
2074 * have monotonically increasing first_channel number fields.
2075 *
2076 * Channel numbers shall not overlap.
2077 *
2078 * Note that max_power is signed.
2079 */
2080 struct ieee80211_country_ie_triplet {
2081 union {
2082 struct {
2083 u8 first_channel;
2084 u8 num_channels;
2085 s8 max_power;
2086 } __packed chans;
2087 struct {
2088 u8 reg_extension_id;
2089 u8 reg_class;
2090 u8 coverage_class;
2091 } __packed ext;
2092 };
2093 } __packed;
2094
2095 enum ieee80211_timeout_interval_type {
2096 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2097 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2098 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2099 };
2100
2101 /**
2102 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2103 * @type: type, see &enum ieee80211_timeout_interval_type
2104 * @value: timeout interval value
2105 */
2106 struct ieee80211_timeout_interval_ie {
2107 u8 type;
2108 __le32 value;
2109 } __packed;
2110
2111 /* BACK action code */
2112 enum ieee80211_back_actioncode {
2113 WLAN_ACTION_ADDBA_REQ = 0,
2114 WLAN_ACTION_ADDBA_RESP = 1,
2115 WLAN_ACTION_DELBA = 2,
2116 };
2117
2118 /* BACK (block-ack) parties */
2119 enum ieee80211_back_parties {
2120 WLAN_BACK_RECIPIENT = 0,
2121 WLAN_BACK_INITIATOR = 1,
2122 };
2123
2124 /* SA Query action */
2125 enum ieee80211_sa_query_action {
2126 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2127 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2128 };
2129
2130
2131 /* cipher suite selectors */
2132 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2133 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2134 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2135 /* reserved: 0x000FAC03 */
2136 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2137 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2138 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2139 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2140
2141 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2142
2143 /* AKM suite selectors */
2144 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2145 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2146 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2147 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2148 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
2149 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2150 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2151
2152 #define WLAN_MAX_KEY_LEN 32
2153
2154 #define WLAN_PMKID_LEN 16
2155
2156 #define WLAN_OUI_WFA 0x506f9a
2157 #define WLAN_OUI_TYPE_WFA_P2P 9
2158 #define WLAN_OUI_MICROSOFT 0x0050f2
2159 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2160 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2161 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2162
2163 /*
2164 * WMM/802.11e Tspec Element
2165 */
2166 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2167 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2168
2169 enum ieee80211_tspec_status_code {
2170 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2171 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2172 };
2173
2174 struct ieee80211_tspec_ie {
2175 u8 element_id;
2176 u8 len;
2177 u8 oui[3];
2178 u8 oui_type;
2179 u8 oui_subtype;
2180 u8 version;
2181 __le16 tsinfo;
2182 u8 tsinfo_resvd;
2183 __le16 nominal_msdu;
2184 __le16 max_msdu;
2185 __le32 min_service_int;
2186 __le32 max_service_int;
2187 __le32 inactivity_int;
2188 __le32 suspension_int;
2189 __le32 service_start_time;
2190 __le32 min_data_rate;
2191 __le32 mean_data_rate;
2192 __le32 peak_data_rate;
2193 __le32 max_burst_size;
2194 __le32 delay_bound;
2195 __le32 min_phy_rate;
2196 __le16 sba;
2197 __le16 medium_time;
2198 } __packed;
2199
2200 /**
2201 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2202 * @hdr: the frame
2203 *
2204 * The qos ctrl bytes come after the frame_control, duration, seq_num
2205 * and 3 or 4 addresses of length ETH_ALEN.
2206 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2207 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2208 */
2209 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2210 {
2211 if (ieee80211_has_a4(hdr->frame_control))
2212 return (u8 *)hdr + 30;
2213 else
2214 return (u8 *)hdr + 24;
2215 }
2216
2217 /**
2218 * ieee80211_get_SA - get pointer to SA
2219 * @hdr: the frame
2220 *
2221 * Given an 802.11 frame, this function returns the offset
2222 * to the source address (SA). It does not verify that the
2223 * header is long enough to contain the address, and the
2224 * header must be long enough to contain the frame control
2225 * field.
2226 */
2227 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2228 {
2229 if (ieee80211_has_a4(hdr->frame_control))
2230 return hdr->addr4;
2231 if (ieee80211_has_fromds(hdr->frame_control))
2232 return hdr->addr3;
2233 return hdr->addr2;
2234 }
2235
2236 /**
2237 * ieee80211_get_DA - get pointer to DA
2238 * @hdr: the frame
2239 *
2240 * Given an 802.11 frame, this function returns the offset
2241 * to the destination address (DA). It does not verify that
2242 * the header is long enough to contain the address, and the
2243 * header must be long enough to contain the frame control
2244 * field.
2245 */
2246 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2247 {
2248 if (ieee80211_has_tods(hdr->frame_control))
2249 return hdr->addr3;
2250 else
2251 return hdr->addr1;
2252 }
2253
2254 /**
2255 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2256 * @hdr: the frame (buffer must include at least the first octet of payload)
2257 */
2258 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2259 {
2260 if (ieee80211_is_disassoc(hdr->frame_control) ||
2261 ieee80211_is_deauth(hdr->frame_control))
2262 return true;
2263
2264 if (ieee80211_is_action(hdr->frame_control)) {
2265 u8 *category;
2266
2267 /*
2268 * Action frames, excluding Public Action frames, are Robust
2269 * Management Frames. However, if we are looking at a Protected
2270 * frame, skip the check since the data may be encrypted and
2271 * the frame has already been found to be a Robust Management
2272 * Frame (by the other end).
2273 */
2274 if (ieee80211_has_protected(hdr->frame_control))
2275 return true;
2276 category = ((u8 *) hdr) + 24;
2277 return *category != WLAN_CATEGORY_PUBLIC &&
2278 *category != WLAN_CATEGORY_HT &&
2279 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2280 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2281 }
2282
2283 return false;
2284 }
2285
2286 /**
2287 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2288 * @skb: the skb containing the frame, length will be checked
2289 */
2290 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2291 {
2292 if (skb->len < 25)
2293 return false;
2294 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2295 }
2296
2297 /**
2298 * ieee80211_is_public_action - check if frame is a public action frame
2299 * @hdr: the frame
2300 * @len: length of the frame
2301 */
2302 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2303 size_t len)
2304 {
2305 struct ieee80211_mgmt *mgmt = (void *)hdr;
2306
2307 if (len < IEEE80211_MIN_ACTION_SIZE)
2308 return false;
2309 if (!ieee80211_is_action(hdr->frame_control))
2310 return false;
2311 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2312 }
2313
2314 /**
2315 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2316 * @tu: the TUs
2317 */
2318 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2319 {
2320 return 1024 * tu;
2321 }
2322
2323 /**
2324 * ieee80211_check_tim - check if AID bit is set in TIM
2325 * @tim: the TIM IE
2326 * @tim_len: length of the TIM IE
2327 * @aid: the AID to look for
2328 */
2329 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2330 u8 tim_len, u16 aid)
2331 {
2332 u8 mask;
2333 u8 index, indexn1, indexn2;
2334
2335 if (unlikely(!tim || tim_len < sizeof(*tim)))
2336 return false;
2337
2338 aid &= 0x3fff;
2339 index = aid / 8;
2340 mask = 1 << (aid & 7);
2341
2342 indexn1 = tim->bitmap_ctrl & 0xfe;
2343 indexn2 = tim_len + indexn1 - 4;
2344
2345 if (index < indexn1 || index > indexn2)
2346 return false;
2347
2348 index -= indexn1;
2349
2350 return !!(tim->virtual_map[index] & mask);
2351 }
2352
2353 /* convert time units */
2354 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2355 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2356
2357 #endif /* LINUX_IEEE80211_H */
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