1 /*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <asm/byteorder.h>
21
22 /*
23 * DS bit usage
24 *
25 * TA = transmitter address
26 * RA = receiver address
27 * DA = destination address
28 * SA = source address
29 *
30 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
31 * -----------------------------------------------------------------
32 * 0 0 DA SA BSSID - IBSS/DLS
33 * 0 1 DA BSSID SA - AP -> STA
34 * 1 0 BSSID SA DA - AP <- STA
35 * 1 1 RA TA DA SA unspecified (WDS)
36 */
37
38 #define FCS_LEN 4
39
40 #define IEEE80211_FCTL_VERS 0x0003
41 #define IEEE80211_FCTL_FTYPE 0x000c
42 #define IEEE80211_FCTL_STYPE 0x00f0
43 #define IEEE80211_FCTL_TODS 0x0100
44 #define IEEE80211_FCTL_FROMDS 0x0200
45 #define IEEE80211_FCTL_MOREFRAGS 0x0400
46 #define IEEE80211_FCTL_RETRY 0x0800
47 #define IEEE80211_FCTL_PM 0x1000
48 #define IEEE80211_FCTL_MOREDATA 0x2000
49 #define IEEE80211_FCTL_PROTECTED 0x4000
50 #define IEEE80211_FCTL_ORDER 0x8000
51 #define IEEE80211_FCTL_CTL_EXT 0x0f00
52
53 #define IEEE80211_SCTL_FRAG 0x000F
54 #define IEEE80211_SCTL_SEQ 0xFFF0
55
56 #define IEEE80211_FTYPE_MGMT 0x0000
57 #define IEEE80211_FTYPE_CTL 0x0004
58 #define IEEE80211_FTYPE_DATA 0x0008
59 #define IEEE80211_FTYPE_EXT 0x000c
60
61 /* management */
62 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
63 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
64 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
65 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
66 #define IEEE80211_STYPE_PROBE_REQ 0x0040
67 #define IEEE80211_STYPE_PROBE_RESP 0x0050
68 #define IEEE80211_STYPE_BEACON 0x0080
69 #define IEEE80211_STYPE_ATIM 0x0090
70 #define IEEE80211_STYPE_DISASSOC 0x00A0
71 #define IEEE80211_STYPE_AUTH 0x00B0
72 #define IEEE80211_STYPE_DEAUTH 0x00C0
73 #define IEEE80211_STYPE_ACTION 0x00D0
74
75 /* control */
76 #define IEEE80211_STYPE_CTL_EXT 0x0060
77 #define IEEE80211_STYPE_BACK_REQ 0x0080
78 #define IEEE80211_STYPE_BACK 0x0090
79 #define IEEE80211_STYPE_PSPOLL 0x00A0
80 #define IEEE80211_STYPE_RTS 0x00B0
81 #define IEEE80211_STYPE_CTS 0x00C0
82 #define IEEE80211_STYPE_ACK 0x00D0
83 #define IEEE80211_STYPE_CFEND 0x00E0
84 #define IEEE80211_STYPE_CFENDACK 0x00F0
85
86 /* data */
87 #define IEEE80211_STYPE_DATA 0x0000
88 #define IEEE80211_STYPE_DATA_CFACK 0x0010
89 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
90 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
91 #define IEEE80211_STYPE_NULLFUNC 0x0040
92 #define IEEE80211_STYPE_CFACK 0x0050
93 #define IEEE80211_STYPE_CFPOLL 0x0060
94 #define IEEE80211_STYPE_CFACKPOLL 0x0070
95 #define IEEE80211_STYPE_QOS_DATA 0x0080
96 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
97 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
98 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
99 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
100 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
101 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
102 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
103
104 /* extension, added by 802.11ad */
105 #define IEEE80211_STYPE_DMG_BEACON 0x0000
106
107 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
108 #define IEEE80211_CTL_EXT_POLL 0x2000
109 #define IEEE80211_CTL_EXT_SPR 0x3000
110 #define IEEE80211_CTL_EXT_GRANT 0x4000
111 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
112 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
113 #define IEEE80211_CTL_EXT_SSW 0x8000
114 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
115 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
116
117
118 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
119 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
120 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
121
122 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
123 {
124 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
125 }
126
127 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
128 {
129 return (sn1 + sn2) & IEEE80211_SN_MASK;
130 }
131
132 static inline u16 ieee80211_sn_inc(u16 sn)
133 {
134 return ieee80211_sn_add(sn, 1);
135 }
136
137 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
138 {
139 return (sn1 - sn2) & IEEE80211_SN_MASK;
140 }
141
142 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
143 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
144
145 /* miscellaneous IEEE 802.11 constants */
146 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
147 #define IEEE80211_MAX_RTS_THRESHOLD 2353
148 #define IEEE80211_MAX_AID 2007
149 #define IEEE80211_MAX_TIM_LEN 251
150 #define IEEE80211_MAX_MESH_PEERINGS 63
151 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
152 6.2.1.1.2.
153
154 802.11e clarifies the figure in section 7.1.2. The frame body is
155 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
156 #define IEEE80211_MAX_DATA_LEN 2304
157 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
158 #define IEEE80211_MAX_FRAME_LEN 2352
159
160 #define IEEE80211_MAX_SSID_LEN 32
161
162 #define IEEE80211_MAX_MESH_ID_LEN 32
163
164 #define IEEE80211_NUM_TIDS 16
165
166 #define IEEE80211_QOS_CTL_LEN 2
167 /* 1d tag mask */
168 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
169 /* TID mask */
170 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
171 /* EOSP */
172 #define IEEE80211_QOS_CTL_EOSP 0x0010
173 /* ACK policy */
174 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
175 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
176 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
177 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
178 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
179 /* A-MSDU 802.11n */
180 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
181 /* Mesh Control 802.11s */
182 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
183
184 /* Mesh Power Save Level */
185 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
186 /* Mesh Receiver Service Period Initiated */
187 #define IEEE80211_QOS_CTL_RSPI 0x0400
188
189 /* U-APSD queue for WMM IEs sent by AP */
190 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
191 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
192
193 /* U-APSD queues for WMM IEs sent by STA */
194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
195 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
196 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
197 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
198 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
199
200 /* U-APSD max SP length for WMM IEs sent by STA */
201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
203 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
204 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
205 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
206 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
207
208 #define IEEE80211_HT_CTL_LEN 4
209
210 struct ieee80211_hdr {
211 __le16 frame_control;
212 __le16 duration_id;
213 u8 addr1[ETH_ALEN];
214 u8 addr2[ETH_ALEN];
215 u8 addr3[ETH_ALEN];
216 __le16 seq_ctrl;
217 u8 addr4[ETH_ALEN];
218 } __packed __aligned(2);
219
220 struct ieee80211_hdr_3addr {
221 __le16 frame_control;
222 __le16 duration_id;
223 u8 addr1[ETH_ALEN];
224 u8 addr2[ETH_ALEN];
225 u8 addr3[ETH_ALEN];
226 __le16 seq_ctrl;
227 } __packed __aligned(2);
228
229 struct ieee80211_qos_hdr {
230 __le16 frame_control;
231 __le16 duration_id;
232 u8 addr1[ETH_ALEN];
233 u8 addr2[ETH_ALEN];
234 u8 addr3[ETH_ALEN];
235 __le16 seq_ctrl;
236 __le16 qos_ctrl;
237 } __packed __aligned(2);
238
239 /**
240 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
241 * @fc: frame control bytes in little-endian byteorder
242 */
243 static inline int ieee80211_has_tods(__le16 fc)
244 {
245 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
246 }
247
248 /**
249 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
250 * @fc: frame control bytes in little-endian byteorder
251 */
252 static inline int ieee80211_has_fromds(__le16 fc)
253 {
254 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
255 }
256
257 /**
258 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
259 * @fc: frame control bytes in little-endian byteorder
260 */
261 static inline int ieee80211_has_a4(__le16 fc)
262 {
263 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
264 return (fc & tmp) == tmp;
265 }
266
267 /**
268 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
269 * @fc: frame control bytes in little-endian byteorder
270 */
271 static inline int ieee80211_has_morefrags(__le16 fc)
272 {
273 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
274 }
275
276 /**
277 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
278 * @fc: frame control bytes in little-endian byteorder
279 */
280 static inline int ieee80211_has_retry(__le16 fc)
281 {
282 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
283 }
284
285 /**
286 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
287 * @fc: frame control bytes in little-endian byteorder
288 */
289 static inline int ieee80211_has_pm(__le16 fc)
290 {
291 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
292 }
293
294 /**
295 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
296 * @fc: frame control bytes in little-endian byteorder
297 */
298 static inline int ieee80211_has_moredata(__le16 fc)
299 {
300 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
301 }
302
303 /**
304 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
305 * @fc: frame control bytes in little-endian byteorder
306 */
307 static inline int ieee80211_has_protected(__le16 fc)
308 {
309 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
310 }
311
312 /**
313 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
314 * @fc: frame control bytes in little-endian byteorder
315 */
316 static inline int ieee80211_has_order(__le16 fc)
317 {
318 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
319 }
320
321 /**
322 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
323 * @fc: frame control bytes in little-endian byteorder
324 */
325 static inline int ieee80211_is_mgmt(__le16 fc)
326 {
327 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
328 cpu_to_le16(IEEE80211_FTYPE_MGMT);
329 }
330
331 /**
332 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
333 * @fc: frame control bytes in little-endian byteorder
334 */
335 static inline int ieee80211_is_ctl(__le16 fc)
336 {
337 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
338 cpu_to_le16(IEEE80211_FTYPE_CTL);
339 }
340
341 /**
342 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
343 * @fc: frame control bytes in little-endian byteorder
344 */
345 static inline int ieee80211_is_data(__le16 fc)
346 {
347 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
348 cpu_to_le16(IEEE80211_FTYPE_DATA);
349 }
350
351 /**
352 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
353 * @fc: frame control bytes in little-endian byteorder
354 */
355 static inline int ieee80211_is_data_qos(__le16 fc)
356 {
357 /*
358 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
359 * to check the one bit
360 */
361 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
362 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
363 }
364
365 /**
366 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
367 * @fc: frame control bytes in little-endian byteorder
368 */
369 static inline int ieee80211_is_data_present(__le16 fc)
370 {
371 /*
372 * mask with 0x40 and test that that bit is clear to only return true
373 * for the data-containing substypes.
374 */
375 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
376 cpu_to_le16(IEEE80211_FTYPE_DATA);
377 }
378
379 /**
380 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
381 * @fc: frame control bytes in little-endian byteorder
382 */
383 static inline int ieee80211_is_assoc_req(__le16 fc)
384 {
385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
386 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
387 }
388
389 /**
390 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
391 * @fc: frame control bytes in little-endian byteorder
392 */
393 static inline int ieee80211_is_assoc_resp(__le16 fc)
394 {
395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
397 }
398
399 /**
400 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
401 * @fc: frame control bytes in little-endian byteorder
402 */
403 static inline int ieee80211_is_reassoc_req(__le16 fc)
404 {
405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
407 }
408
409 /**
410 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
411 * @fc: frame control bytes in little-endian byteorder
412 */
413 static inline int ieee80211_is_reassoc_resp(__le16 fc)
414 {
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
417 }
418
419 /**
420 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
421 * @fc: frame control bytes in little-endian byteorder
422 */
423 static inline int ieee80211_is_probe_req(__le16 fc)
424 {
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
427 }
428
429 /**
430 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
431 * @fc: frame control bytes in little-endian byteorder
432 */
433 static inline int ieee80211_is_probe_resp(__le16 fc)
434 {
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
437 }
438
439 /**
440 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
441 * @fc: frame control bytes in little-endian byteorder
442 */
443 static inline int ieee80211_is_beacon(__le16 fc)
444 {
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
447 }
448
449 /**
450 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
451 * @fc: frame control bytes in little-endian byteorder
452 */
453 static inline int ieee80211_is_atim(__le16 fc)
454 {
455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
456 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
457 }
458
459 /**
460 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
461 * @fc: frame control bytes in little-endian byteorder
462 */
463 static inline int ieee80211_is_disassoc(__le16 fc)
464 {
465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
466 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
467 }
468
469 /**
470 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
471 * @fc: frame control bytes in little-endian byteorder
472 */
473 static inline int ieee80211_is_auth(__le16 fc)
474 {
475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
476 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
477 }
478
479 /**
480 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
481 * @fc: frame control bytes in little-endian byteorder
482 */
483 static inline int ieee80211_is_deauth(__le16 fc)
484 {
485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
486 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
487 }
488
489 /**
490 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
491 * @fc: frame control bytes in little-endian byteorder
492 */
493 static inline int ieee80211_is_action(__le16 fc)
494 {
495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
496 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
497 }
498
499 /**
500 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
501 * @fc: frame control bytes in little-endian byteorder
502 */
503 static inline int ieee80211_is_back_req(__le16 fc)
504 {
505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
506 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
507 }
508
509 /**
510 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
511 * @fc: frame control bytes in little-endian byteorder
512 */
513 static inline int ieee80211_is_back(__le16 fc)
514 {
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
516 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
517 }
518
519 /**
520 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
521 * @fc: frame control bytes in little-endian byteorder
522 */
523 static inline int ieee80211_is_pspoll(__le16 fc)
524 {
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
527 }
528
529 /**
530 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
531 * @fc: frame control bytes in little-endian byteorder
532 */
533 static inline int ieee80211_is_rts(__le16 fc)
534 {
535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
536 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
537 }
538
539 /**
540 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
541 * @fc: frame control bytes in little-endian byteorder
542 */
543 static inline int ieee80211_is_cts(__le16 fc)
544 {
545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
546 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
547 }
548
549 /**
550 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
551 * @fc: frame control bytes in little-endian byteorder
552 */
553 static inline int ieee80211_is_ack(__le16 fc)
554 {
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
557 }
558
559 /**
560 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
561 * @fc: frame control bytes in little-endian byteorder
562 */
563 static inline int ieee80211_is_cfend(__le16 fc)
564 {
565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
566 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
567 }
568
569 /**
570 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
571 * @fc: frame control bytes in little-endian byteorder
572 */
573 static inline int ieee80211_is_cfendack(__le16 fc)
574 {
575 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
576 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
577 }
578
579 /**
580 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
581 * @fc: frame control bytes in little-endian byteorder
582 */
583 static inline int ieee80211_is_nullfunc(__le16 fc)
584 {
585 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
586 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
587 }
588
589 /**
590 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
591 * @fc: frame control bytes in little-endian byteorder
592 */
593 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
594 {
595 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
596 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
597 }
598
599 /**
600 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
601 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
602 */
603 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
604 {
605 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
606 }
607
608 struct ieee80211s_hdr {
609 u8 flags;
610 u8 ttl;
611 __le32 seqnum;
612 u8 eaddr1[ETH_ALEN];
613 u8 eaddr2[ETH_ALEN];
614 } __packed __aligned(2);
615
616 /* Mesh flags */
617 #define MESH_FLAGS_AE_A4 0x1
618 #define MESH_FLAGS_AE_A5_A6 0x2
619 #define MESH_FLAGS_AE 0x3
620 #define MESH_FLAGS_PS_DEEP 0x4
621
622 /**
623 * enum ieee80211_preq_flags - mesh PREQ element flags
624 *
625 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
626 */
627 enum ieee80211_preq_flags {
628 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
629 };
630
631 /**
632 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
633 *
634 * @IEEE80211_PREQ_TO_FLAG: target only subfield
635 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
636 */
637 enum ieee80211_preq_target_flags {
638 IEEE80211_PREQ_TO_FLAG = 1<<0,
639 IEEE80211_PREQ_USN_FLAG = 1<<2,
640 };
641
642 /**
643 * struct ieee80211_quiet_ie
644 *
645 * This structure refers to "Quiet information element"
646 */
647 struct ieee80211_quiet_ie {
648 u8 count;
649 u8 period;
650 __le16 duration;
651 __le16 offset;
652 } __packed;
653
654 /**
655 * struct ieee80211_msrment_ie
656 *
657 * This structure refers to "Measurement Request/Report information element"
658 */
659 struct ieee80211_msrment_ie {
660 u8 token;
661 u8 mode;
662 u8 type;
663 u8 request[0];
664 } __packed;
665
666 /**
667 * struct ieee80211_channel_sw_ie
668 *
669 * This structure refers to "Channel Switch Announcement information element"
670 */
671 struct ieee80211_channel_sw_ie {
672 u8 mode;
673 u8 new_ch_num;
674 u8 count;
675 } __packed;
676
677 /**
678 * struct ieee80211_ext_chansw_ie
679 *
680 * This structure represents the "Extended Channel Switch Announcement element"
681 */
682 struct ieee80211_ext_chansw_ie {
683 u8 mode;
684 u8 new_operating_class;
685 u8 new_ch_num;
686 u8 count;
687 } __packed;
688
689 /**
690 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
691 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
692 * values here
693 * This structure represents the "Secondary Channel Offset element"
694 */
695 struct ieee80211_sec_chan_offs_ie {
696 u8 sec_chan_offs;
697 } __packed;
698
699 /**
700 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
701 *
702 * This structure represents the "Mesh Channel Switch Paramters element"
703 */
704 struct ieee80211_mesh_chansw_params_ie {
705 u8 mesh_ttl;
706 u8 mesh_flags;
707 __le16 mesh_reason;
708 __le16 mesh_pre_value;
709 } __packed;
710
711 /**
712 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
713 */
714 struct ieee80211_wide_bw_chansw_ie {
715 u8 new_channel_width;
716 u8 new_center_freq_seg0, new_center_freq_seg1;
717 } __packed;
718
719 /**
720 * struct ieee80211_tim
721 *
722 * This structure refers to "Traffic Indication Map information element"
723 */
724 struct ieee80211_tim_ie {
725 u8 dtim_count;
726 u8 dtim_period;
727 u8 bitmap_ctrl;
728 /* variable size: 1 - 251 bytes */
729 u8 virtual_map[1];
730 } __packed;
731
732 /**
733 * struct ieee80211_meshconf_ie
734 *
735 * This structure refers to "Mesh Configuration information element"
736 */
737 struct ieee80211_meshconf_ie {
738 u8 meshconf_psel;
739 u8 meshconf_pmetric;
740 u8 meshconf_congest;
741 u8 meshconf_synch;
742 u8 meshconf_auth;
743 u8 meshconf_form;
744 u8 meshconf_cap;
745 } __packed;
746
747 /**
748 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
749 *
750 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
751 * additional mesh peerings with other mesh STAs
752 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
753 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
754 * is ongoing
755 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
756 * neighbors in deep sleep mode
757 */
758 enum mesh_config_capab_flags {
759 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
760 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
761 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
762 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
763 };
764
765 /**
766 * mesh channel switch parameters element's flag indicator
767 *
768 */
769 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
770 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
771 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
772
773 /**
774 * struct ieee80211_rann_ie
775 *
776 * This structure refers to "Root Announcement information element"
777 */
778 struct ieee80211_rann_ie {
779 u8 rann_flags;
780 u8 rann_hopcount;
781 u8 rann_ttl;
782 u8 rann_addr[ETH_ALEN];
783 __le32 rann_seq;
784 __le32 rann_interval;
785 __le32 rann_metric;
786 } __packed;
787
788 enum ieee80211_rann_flags {
789 RANN_FLAG_IS_GATE = 1 << 0,
790 };
791
792 enum ieee80211_ht_chanwidth_values {
793 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
794 IEEE80211_HT_CHANWIDTH_ANY = 1,
795 };
796
797 /**
798 * enum ieee80211_opmode_bits - VHT operating mode field bits
799 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
800 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
801 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
802 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
803 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
804 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
805 * (the NSS value is the value of this field + 1)
806 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
807 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
808 * using a beamforming steering matrix
809 */
810 enum ieee80211_vht_opmode_bits {
811 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
812 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
813 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
814 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
815 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
816 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
817 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
818 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
819 };
820
821 #define WLAN_SA_QUERY_TR_ID_LEN 2
822
823 struct ieee80211_mgmt {
824 __le16 frame_control;
825 __le16 duration;
826 u8 da[ETH_ALEN];
827 u8 sa[ETH_ALEN];
828 u8 bssid[ETH_ALEN];
829 __le16 seq_ctrl;
830 union {
831 struct {
832 __le16 auth_alg;
833 __le16 auth_transaction;
834 __le16 status_code;
835 /* possibly followed by Challenge text */
836 u8 variable[0];
837 } __packed auth;
838 struct {
839 __le16 reason_code;
840 } __packed deauth;
841 struct {
842 __le16 capab_info;
843 __le16 listen_interval;
844 /* followed by SSID and Supported rates */
845 u8 variable[0];
846 } __packed assoc_req;
847 struct {
848 __le16 capab_info;
849 __le16 status_code;
850 __le16 aid;
851 /* followed by Supported rates */
852 u8 variable[0];
853 } __packed assoc_resp, reassoc_resp;
854 struct {
855 __le16 capab_info;
856 __le16 listen_interval;
857 u8 current_ap[ETH_ALEN];
858 /* followed by SSID and Supported rates */
859 u8 variable[0];
860 } __packed reassoc_req;
861 struct {
862 __le16 reason_code;
863 } __packed disassoc;
864 struct {
865 __le64 timestamp;
866 __le16 beacon_int;
867 __le16 capab_info;
868 /* followed by some of SSID, Supported rates,
869 * FH Params, DS Params, CF Params, IBSS Params, TIM */
870 u8 variable[0];
871 } __packed beacon;
872 struct {
873 /* only variable items: SSID, Supported rates */
874 u8 variable[0];
875 } __packed probe_req;
876 struct {
877 __le64 timestamp;
878 __le16 beacon_int;
879 __le16 capab_info;
880 /* followed by some of SSID, Supported rates,
881 * FH Params, DS Params, CF Params, IBSS Params */
882 u8 variable[0];
883 } __packed probe_resp;
884 struct {
885 u8 category;
886 union {
887 struct {
888 u8 action_code;
889 u8 dialog_token;
890 u8 status_code;
891 u8 variable[0];
892 } __packed wme_action;
893 struct{
894 u8 action_code;
895 u8 variable[0];
896 } __packed chan_switch;
897 struct{
898 u8 action_code;
899 struct ieee80211_ext_chansw_ie data;
900 u8 variable[0];
901 } __packed ext_chan_switch;
902 struct{
903 u8 action_code;
904 u8 dialog_token;
905 u8 element_id;
906 u8 length;
907 struct ieee80211_msrment_ie msr_elem;
908 } __packed measurement;
909 struct{
910 u8 action_code;
911 u8 dialog_token;
912 __le16 capab;
913 __le16 timeout;
914 __le16 start_seq_num;
915 } __packed addba_req;
916 struct{
917 u8 action_code;
918 u8 dialog_token;
919 __le16 status;
920 __le16 capab;
921 __le16 timeout;
922 } __packed addba_resp;
923 struct{
924 u8 action_code;
925 __le16 params;
926 __le16 reason_code;
927 } __packed delba;
928 struct {
929 u8 action_code;
930 u8 variable[0];
931 } __packed self_prot;
932 struct{
933 u8 action_code;
934 u8 variable[0];
935 } __packed mesh_action;
936 struct {
937 u8 action;
938 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
939 } __packed sa_query;
940 struct {
941 u8 action;
942 u8 smps_control;
943 } __packed ht_smps;
944 struct {
945 u8 action_code;
946 u8 chanwidth;
947 } __packed ht_notify_cw;
948 struct {
949 u8 action_code;
950 u8 dialog_token;
951 __le16 capability;
952 u8 variable[0];
953 } __packed tdls_discover_resp;
954 struct {
955 u8 action_code;
956 u8 operating_mode;
957 } __packed vht_opmode_notif;
958 } u;
959 } __packed action;
960 } u;
961 } __packed __aligned(2);
962
963 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
964 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
965
966 /* mgmt header + 1 byte category code */
967 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
968
969
970 /* Management MIC information element (IEEE 802.11w) */
971 struct ieee80211_mmie {
972 u8 element_id;
973 u8 length;
974 __le16 key_id;
975 u8 sequence_number[6];
976 u8 mic[8];
977 } __packed;
978
979 struct ieee80211_vendor_ie {
980 u8 element_id;
981 u8 len;
982 u8 oui[3];
983 u8 oui_type;
984 } __packed;
985
986 /* Control frames */
987 struct ieee80211_rts {
988 __le16 frame_control;
989 __le16 duration;
990 u8 ra[ETH_ALEN];
991 u8 ta[ETH_ALEN];
992 } __packed __aligned(2);
993
994 struct ieee80211_cts {
995 __le16 frame_control;
996 __le16 duration;
997 u8 ra[ETH_ALEN];
998 } __packed __aligned(2);
999
1000 struct ieee80211_pspoll {
1001 __le16 frame_control;
1002 __le16 aid;
1003 u8 bssid[ETH_ALEN];
1004 u8 ta[ETH_ALEN];
1005 } __packed __aligned(2);
1006
1007 /* TDLS */
1008
1009 /* Link-id information element */
1010 struct ieee80211_tdls_lnkie {
1011 u8 ie_type; /* Link Identifier IE */
1012 u8 ie_len;
1013 u8 bssid[ETH_ALEN];
1014 u8 init_sta[ETH_ALEN];
1015 u8 resp_sta[ETH_ALEN];
1016 } __packed;
1017
1018 struct ieee80211_tdls_data {
1019 u8 da[ETH_ALEN];
1020 u8 sa[ETH_ALEN];
1021 __be16 ether_type;
1022 u8 payload_type;
1023 u8 category;
1024 u8 action_code;
1025 union {
1026 struct {
1027 u8 dialog_token;
1028 __le16 capability;
1029 u8 variable[0];
1030 } __packed setup_req;
1031 struct {
1032 __le16 status_code;
1033 u8 dialog_token;
1034 __le16 capability;
1035 u8 variable[0];
1036 } __packed setup_resp;
1037 struct {
1038 __le16 status_code;
1039 u8 dialog_token;
1040 u8 variable[0];
1041 } __packed setup_cfm;
1042 struct {
1043 __le16 reason_code;
1044 u8 variable[0];
1045 } __packed teardown;
1046 struct {
1047 u8 dialog_token;
1048 u8 variable[0];
1049 } __packed discover_req;
1050 } u;
1051 } __packed;
1052
1053 /*
1054 * Peer-to-Peer IE attribute related definitions.
1055 */
1056 /**
1057 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1058 */
1059 enum ieee80211_p2p_attr_id {
1060 IEEE80211_P2P_ATTR_STATUS = 0,
1061 IEEE80211_P2P_ATTR_MINOR_REASON,
1062 IEEE80211_P2P_ATTR_CAPABILITY,
1063 IEEE80211_P2P_ATTR_DEVICE_ID,
1064 IEEE80211_P2P_ATTR_GO_INTENT,
1065 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1066 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1067 IEEE80211_P2P_ATTR_GROUP_BSSID,
1068 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1069 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1070 IEEE80211_P2P_ATTR_MANAGABILITY,
1071 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1072 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1073 IEEE80211_P2P_ATTR_DEVICE_INFO,
1074 IEEE80211_P2P_ATTR_GROUP_INFO,
1075 IEEE80211_P2P_ATTR_GROUP_ID,
1076 IEEE80211_P2P_ATTR_INTERFACE,
1077 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1078 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1079 /* 19 - 220: Reserved */
1080 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1081
1082 IEEE80211_P2P_ATTR_MAX
1083 };
1084
1085 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1086 /* Typical max value used here */
1087 #define IEEE80211_P2P_NOA_DESC_MAX 4
1088
1089 struct ieee80211_p2p_noa_desc {
1090 u8 count;
1091 __le32 duration;
1092 __le32 interval;
1093 __le32 start_time;
1094 } __packed;
1095
1096 struct ieee80211_p2p_noa_attr {
1097 u8 index;
1098 u8 oppps_ctwindow;
1099 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1100 } __packed;
1101
1102 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1103 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1104
1105 /**
1106 * struct ieee80211_bar - HT Block Ack Request
1107 *
1108 * This structure refers to "HT BlockAckReq" as
1109 * described in 802.11n draft section 7.2.1.7.1
1110 */
1111 struct ieee80211_bar {
1112 __le16 frame_control;
1113 __le16 duration;
1114 __u8 ra[ETH_ALEN];
1115 __u8 ta[ETH_ALEN];
1116 __le16 control;
1117 __le16 start_seq_num;
1118 } __packed;
1119
1120 /* 802.11 BAR control masks */
1121 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1122 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1123 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1124 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1125 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1126
1127 #define IEEE80211_HT_MCS_MASK_LEN 10
1128
1129 /**
1130 * struct ieee80211_mcs_info - MCS information
1131 * @rx_mask: RX mask
1132 * @rx_highest: highest supported RX rate. If set represents
1133 * the highest supported RX data rate in units of 1 Mbps.
1134 * If this field is 0 this value should not be used to
1135 * consider the highest RX data rate supported.
1136 * @tx_params: TX parameters
1137 */
1138 struct ieee80211_mcs_info {
1139 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1140 __le16 rx_highest;
1141 u8 tx_params;
1142 u8 reserved[3];
1143 } __packed;
1144
1145 /* 802.11n HT capability MSC set */
1146 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1147 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1148 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1149 /* value 0 == 1 stream etc */
1150 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1151 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1152 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1153 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1154
1155 /*
1156 * 802.11n D5.0 20.3.5 / 20.6 says:
1157 * - indices 0 to 7 and 32 are single spatial stream
1158 * - 8 to 31 are multiple spatial streams using equal modulation
1159 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1160 * - remainder are multiple spatial streams using unequal modulation
1161 */
1162 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1163 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1164 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1165
1166 /**
1167 * struct ieee80211_ht_cap - HT capabilities
1168 *
1169 * This structure is the "HT capabilities element" as
1170 * described in 802.11n D5.0 7.3.2.57
1171 */
1172 struct ieee80211_ht_cap {
1173 __le16 cap_info;
1174 u8 ampdu_params_info;
1175
1176 /* 16 bytes MCS information */
1177 struct ieee80211_mcs_info mcs;
1178
1179 __le16 extended_ht_cap_info;
1180 __le32 tx_BF_cap_info;
1181 u8 antenna_selection_info;
1182 } __packed;
1183
1184 /* 802.11n HT capabilities masks (for cap_info) */
1185 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1186 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1187 #define IEEE80211_HT_CAP_SM_PS 0x000C
1188 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1189 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1190 #define IEEE80211_HT_CAP_SGI_20 0x0020
1191 #define IEEE80211_HT_CAP_SGI_40 0x0040
1192 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1193 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1194 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1195 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1196 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1197 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1198 #define IEEE80211_HT_CAP_RESERVED 0x2000
1199 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1200 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1201
1202 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1203 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1204 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1205 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1206 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1207 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1208 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1209 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1210
1211 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1212 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1213 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1214 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1215
1216 /*
1217 * Maximum length of AMPDU that the STA can receive.
1218 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1219 */
1220 enum ieee80211_max_ampdu_length_exp {
1221 IEEE80211_HT_MAX_AMPDU_8K = 0,
1222 IEEE80211_HT_MAX_AMPDU_16K = 1,
1223 IEEE80211_HT_MAX_AMPDU_32K = 2,
1224 IEEE80211_HT_MAX_AMPDU_64K = 3
1225 };
1226
1227 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1228
1229 /* Minimum MPDU start spacing */
1230 enum ieee80211_min_mpdu_spacing {
1231 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1232 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1233 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1234 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1235 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1236 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1237 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1238 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1239 };
1240
1241 /**
1242 * struct ieee80211_ht_operation - HT operation IE
1243 *
1244 * This structure is the "HT operation element" as
1245 * described in 802.11n-2009 7.3.2.57
1246 */
1247 struct ieee80211_ht_operation {
1248 u8 primary_chan;
1249 u8 ht_param;
1250 __le16 operation_mode;
1251 __le16 stbc_param;
1252 u8 basic_set[16];
1253 } __packed;
1254
1255 /* for ht_param */
1256 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1257 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1258 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1259 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1260 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1261 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1262
1263 /* for operation_mode */
1264 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1265 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1266 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1267 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1268 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1269 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1270 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1271
1272 /* for stbc_param */
1273 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1274 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1275 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1276 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1277 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1278 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1279
1280
1281 /* block-ack parameters */
1282 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1283 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1284 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1285 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1286 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1287
1288 /*
1289 * A-PMDU buffer sizes
1290 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1291 */
1292 #define IEEE80211_MIN_AMPDU_BUF 0x8
1293 #define IEEE80211_MAX_AMPDU_BUF 0x40
1294
1295
1296 /* Spatial Multiplexing Power Save Modes (for capability) */
1297 #define WLAN_HT_CAP_SM_PS_STATIC 0
1298 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1299 #define WLAN_HT_CAP_SM_PS_INVALID 2
1300 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1301
1302 /* for SM power control field lower two bits */
1303 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1304 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1305 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1306
1307 /**
1308 * struct ieee80211_vht_mcs_info - VHT MCS information
1309 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1310 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1311 * STA can receive. Rate expressed in units of 1 Mbps.
1312 * If this field is 0 this value should not be used to
1313 * consider the highest RX data rate supported.
1314 * The top 3 bits of this field are reserved.
1315 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1316 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1317 * STA can transmit. Rate expressed in units of 1 Mbps.
1318 * If this field is 0 this value should not be used to
1319 * consider the highest TX data rate supported.
1320 * The top 3 bits of this field are reserved.
1321 */
1322 struct ieee80211_vht_mcs_info {
1323 __le16 rx_mcs_map;
1324 __le16 rx_highest;
1325 __le16 tx_mcs_map;
1326 __le16 tx_highest;
1327 } __packed;
1328
1329 /**
1330 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1331 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1332 * number of streams
1333 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1334 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1335 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1336 *
1337 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1338 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1339 * both split into 8 subfields by number of streams. These values indicate
1340 * which MCSes are supported for the number of streams the value appears
1341 * for.
1342 */
1343 enum ieee80211_vht_mcs_support {
1344 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1345 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1346 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1347 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1348 };
1349
1350 /**
1351 * struct ieee80211_vht_cap - VHT capabilities
1352 *
1353 * This structure is the "VHT capabilities element" as
1354 * described in 802.11ac D3.0 8.4.2.160
1355 * @vht_cap_info: VHT capability info
1356 * @supp_mcs: VHT MCS supported rates
1357 */
1358 struct ieee80211_vht_cap {
1359 __le32 vht_cap_info;
1360 struct ieee80211_vht_mcs_info supp_mcs;
1361 } __packed;
1362
1363 /**
1364 * enum ieee80211_vht_chanwidth - VHT channel width
1365 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1366 * determine the channel width (20 or 40 MHz)
1367 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1368 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1369 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1370 */
1371 enum ieee80211_vht_chanwidth {
1372 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1373 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1374 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1375 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1376 };
1377
1378 /**
1379 * struct ieee80211_vht_operation - VHT operation IE
1380 *
1381 * This structure is the "VHT operation element" as
1382 * described in 802.11ac D3.0 8.4.2.161
1383 * @chan_width: Operating channel width
1384 * @center_freq_seg1_idx: center freq segment 1 index
1385 * @center_freq_seg2_idx: center freq segment 2 index
1386 * @basic_mcs_set: VHT Basic MCS rate set
1387 */
1388 struct ieee80211_vht_operation {
1389 u8 chan_width;
1390 u8 center_freq_seg1_idx;
1391 u8 center_freq_seg2_idx;
1392 __le16 basic_mcs_set;
1393 } __packed;
1394
1395
1396 /* 802.11ac VHT Capabilities */
1397 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1398 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1399 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1400 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1401 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1402 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1403 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1404 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1405 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1406 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1407 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1408 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1409 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1410 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1411 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1412 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1413 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1414 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1415 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1416 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1417 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1418 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1419 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1420 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1421 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1422 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1423 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1424 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1425 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1426 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1427 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1428 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1429 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1430 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1431
1432 /* Authentication algorithms */
1433 #define WLAN_AUTH_OPEN 0
1434 #define WLAN_AUTH_SHARED_KEY 1
1435 #define WLAN_AUTH_FT 2
1436 #define WLAN_AUTH_SAE 3
1437 #define WLAN_AUTH_LEAP 128
1438
1439 #define WLAN_AUTH_CHALLENGE_LEN 128
1440
1441 #define WLAN_CAPABILITY_ESS (1<<0)
1442 #define WLAN_CAPABILITY_IBSS (1<<1)
1443
1444 /*
1445 * A mesh STA sets the ESS and IBSS capability bits to zero.
1446 * however, this holds true for p2p probe responses (in the p2p_find
1447 * phase) as well.
1448 */
1449 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1450 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1451
1452 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1453 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1454 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1455 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1456 #define WLAN_CAPABILITY_PBCC (1<<6)
1457 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1458
1459 /* 802.11h */
1460 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1461 #define WLAN_CAPABILITY_QOS (1<<9)
1462 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1463 #define WLAN_CAPABILITY_APSD (1<<11)
1464 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1465 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1466 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1467 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1468
1469 /* DMG (60gHz) 802.11ad */
1470 /* type - bits 0..1 */
1471 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1472 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1473 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1474 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1475
1476 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1477 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1478 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1479 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1480
1481 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1482 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1483
1484 /* measurement */
1485 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1486 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1487 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1488
1489 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1490 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1491 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1492
1493 /* 802.11g ERP information element */
1494 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1495 #define WLAN_ERP_USE_PROTECTION (1<<1)
1496 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1497
1498 /* WLAN_ERP_BARKER_PREAMBLE values */
1499 enum {
1500 WLAN_ERP_PREAMBLE_SHORT = 0,
1501 WLAN_ERP_PREAMBLE_LONG = 1,
1502 };
1503
1504 /* Band ID, 802.11ad #8.4.1.45 */
1505 enum {
1506 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1507 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1508 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1509 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1510 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1511 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1512 };
1513
1514 /* Status codes */
1515 enum ieee80211_statuscode {
1516 WLAN_STATUS_SUCCESS = 0,
1517 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1518 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1519 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1520 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1521 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1522 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1523 WLAN_STATUS_CHALLENGE_FAIL = 15,
1524 WLAN_STATUS_AUTH_TIMEOUT = 16,
1525 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1526 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1527 /* 802.11b */
1528 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1529 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1530 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1531 /* 802.11h */
1532 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1533 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1534 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1535 /* 802.11g */
1536 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1537 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1538 /* 802.11w */
1539 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1540 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1541 /* 802.11i */
1542 WLAN_STATUS_INVALID_IE = 40,
1543 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1544 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1545 WLAN_STATUS_INVALID_AKMP = 43,
1546 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1547 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1548 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1549 /* 802.11e */
1550 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1551 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1552 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1553 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1554 WLAN_STATUS_REQUEST_DECLINED = 37,
1555 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1556 WLAN_STATUS_CHANGE_TSPEC = 39,
1557 WLAN_STATUS_WAIT_TS_DELAY = 47,
1558 WLAN_STATUS_NO_DIRECT_LINK = 48,
1559 WLAN_STATUS_STA_NOT_PRESENT = 49,
1560 WLAN_STATUS_STA_NOT_QSTA = 50,
1561 /* 802.11s */
1562 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1563 WLAN_STATUS_FCG_NOT_SUPP = 78,
1564 WLAN_STATUS_STA_NO_TBTT = 78,
1565 /* 802.11ad */
1566 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1567 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1568 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1569 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1570 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1571 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1572 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1573 WLAN_STATUS_REJECT_DSE_BAND = 96,
1574 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1575 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1576 };
1577
1578
1579 /* Reason codes */
1580 enum ieee80211_reasoncode {
1581 WLAN_REASON_UNSPECIFIED = 1,
1582 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1583 WLAN_REASON_DEAUTH_LEAVING = 3,
1584 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1585 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1586 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1587 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1588 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1589 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1590 /* 802.11h */
1591 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1592 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1593 /* 802.11i */
1594 WLAN_REASON_INVALID_IE = 13,
1595 WLAN_REASON_MIC_FAILURE = 14,
1596 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1597 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1598 WLAN_REASON_IE_DIFFERENT = 17,
1599 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1600 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1601 WLAN_REASON_INVALID_AKMP = 20,
1602 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1603 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1604 WLAN_REASON_IEEE8021X_FAILED = 23,
1605 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1606 /* 802.11e */
1607 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1608 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1609 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1610 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1611 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1612 WLAN_REASON_QSTA_NOT_USE = 37,
1613 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1614 WLAN_REASON_QSTA_TIMEOUT = 39,
1615 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1616 /* 802.11s */
1617 WLAN_REASON_MESH_PEER_CANCELED = 52,
1618 WLAN_REASON_MESH_MAX_PEERS = 53,
1619 WLAN_REASON_MESH_CONFIG = 54,
1620 WLAN_REASON_MESH_CLOSE = 55,
1621 WLAN_REASON_MESH_MAX_RETRIES = 56,
1622 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1623 WLAN_REASON_MESH_INVALID_GTK = 58,
1624 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1625 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1626 WLAN_REASON_MESH_PATH_ERROR = 61,
1627 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1628 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1629 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1630 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1631 WLAN_REASON_MESH_CHAN = 66,
1632 };
1633
1634
1635 /* Information Element IDs */
1636 enum ieee80211_eid {
1637 WLAN_EID_SSID = 0,
1638 WLAN_EID_SUPP_RATES = 1,
1639 WLAN_EID_FH_PARAMS = 2,
1640 WLAN_EID_DS_PARAMS = 3,
1641 WLAN_EID_CF_PARAMS = 4,
1642 WLAN_EID_TIM = 5,
1643 WLAN_EID_IBSS_PARAMS = 6,
1644 WLAN_EID_CHALLENGE = 16,
1645
1646 WLAN_EID_COUNTRY = 7,
1647 WLAN_EID_HP_PARAMS = 8,
1648 WLAN_EID_HP_TABLE = 9,
1649 WLAN_EID_REQUEST = 10,
1650
1651 WLAN_EID_QBSS_LOAD = 11,
1652 WLAN_EID_EDCA_PARAM_SET = 12,
1653 WLAN_EID_TSPEC = 13,
1654 WLAN_EID_TCLAS = 14,
1655 WLAN_EID_SCHEDULE = 15,
1656 WLAN_EID_TS_DELAY = 43,
1657 WLAN_EID_TCLAS_PROCESSING = 44,
1658 WLAN_EID_QOS_CAPA = 46,
1659 /* 802.11z */
1660 WLAN_EID_LINK_ID = 101,
1661 /* 802.11s */
1662 WLAN_EID_MESH_CONFIG = 113,
1663 WLAN_EID_MESH_ID = 114,
1664 WLAN_EID_LINK_METRIC_REPORT = 115,
1665 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1666 WLAN_EID_PEER_MGMT = 117,
1667 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1668 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1669 WLAN_EID_BEACON_TIMING = 120,
1670 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1671 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1672 WLAN_EID_MCCAOP_ADVERT = 123,
1673 WLAN_EID_MCCAOP_TEARDOWN = 124,
1674 WLAN_EID_GANN = 125,
1675 WLAN_EID_RANN = 126,
1676 WLAN_EID_PREQ = 130,
1677 WLAN_EID_PREP = 131,
1678 WLAN_EID_PERR = 132,
1679 WLAN_EID_PXU = 137,
1680 WLAN_EID_PXUC = 138,
1681 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1682 WLAN_EID_MIC = 140,
1683
1684 WLAN_EID_PWR_CONSTRAINT = 32,
1685 WLAN_EID_PWR_CAPABILITY = 33,
1686 WLAN_EID_TPC_REQUEST = 34,
1687 WLAN_EID_TPC_REPORT = 35,
1688 WLAN_EID_SUPPORTED_CHANNELS = 36,
1689 WLAN_EID_CHANNEL_SWITCH = 37,
1690 WLAN_EID_MEASURE_REQUEST = 38,
1691 WLAN_EID_MEASURE_REPORT = 39,
1692 WLAN_EID_QUIET = 40,
1693 WLAN_EID_IBSS_DFS = 41,
1694
1695 WLAN_EID_ERP_INFO = 42,
1696 WLAN_EID_EXT_SUPP_RATES = 50,
1697
1698 WLAN_EID_HT_CAPABILITY = 45,
1699 WLAN_EID_HT_OPERATION = 61,
1700 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1701
1702 WLAN_EID_RSN = 48,
1703 WLAN_EID_MMIE = 76,
1704 WLAN_EID_VENDOR_SPECIFIC = 221,
1705 WLAN_EID_QOS_PARAMETER = 222,
1706
1707 WLAN_EID_AP_CHAN_REPORT = 51,
1708 WLAN_EID_NEIGHBOR_REPORT = 52,
1709 WLAN_EID_RCPI = 53,
1710 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1711 WLAN_EID_ANTENNA_INFO = 64,
1712 WLAN_EID_RSNI = 65,
1713 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1714 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1715 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1716 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1717 WLAN_EID_MULTIPLE_BSSID = 71,
1718 WLAN_EID_BSS_COEX_2040 = 72,
1719 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1720 WLAN_EID_EXT_CAPABILITY = 127,
1721
1722 WLAN_EID_MOBILITY_DOMAIN = 54,
1723 WLAN_EID_FAST_BSS_TRANSITION = 55,
1724 WLAN_EID_TIMEOUT_INTERVAL = 56,
1725 WLAN_EID_RIC_DATA = 57,
1726 WLAN_EID_RIC_DESCRIPTOR = 75,
1727
1728 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1729 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1730 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1731
1732 WLAN_EID_VHT_CAPABILITY = 191,
1733 WLAN_EID_VHT_OPERATION = 192,
1734 WLAN_EID_OPMODE_NOTIF = 199,
1735 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1736 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1737 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1738 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1739 WLAN_EID_AID = 197,
1740 WLAN_EID_QUIET_CHANNEL = 198,
1741
1742 /* 802.11ad */
1743 WLAN_EID_NON_TX_BSSID_CAP = 83,
1744 WLAN_EID_WAKEUP_SCHEDULE = 143,
1745 WLAN_EID_EXT_SCHEDULE = 144,
1746 WLAN_EID_STA_AVAILABILITY = 145,
1747 WLAN_EID_DMG_TSPEC = 146,
1748 WLAN_EID_DMG_AT = 147,
1749 WLAN_EID_DMG_CAP = 148,
1750 WLAN_EID_DMG_OPERATION = 151,
1751 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1752 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1753 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1754 WLAN_EID_AWAKE_WINDOW = 157,
1755 WLAN_EID_MULTI_BAND = 158,
1756 WLAN_EID_ADDBA_EXT = 159,
1757 WLAN_EID_NEXT_PCP_LIST = 160,
1758 WLAN_EID_PCP_HANDOVER = 161,
1759 WLAN_EID_DMG_LINK_MARGIN = 162,
1760 WLAN_EID_SWITCHING_STREAM = 163,
1761 WLAN_EID_SESSION_TRANSITION = 164,
1762 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1763 WLAN_EID_CLUSTER_REPORT = 166,
1764 WLAN_EID_RELAY_CAP = 167,
1765 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1766 WLAN_EID_BEAM_LINK_MAINT = 169,
1767 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1768 WLAN_EID_U_PID = 171,
1769 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1770 WLAN_EID_QUIET_PERIOD_REQ = 175,
1771 WLAN_EID_QUIET_PERIOD_RESP = 177,
1772 WLAN_EID_EPAC_POLICY = 182,
1773 WLAN_EID_CLISTER_TIME_OFF = 183,
1774 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1775 };
1776
1777 /* Action category code */
1778 enum ieee80211_category {
1779 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1780 WLAN_CATEGORY_QOS = 1,
1781 WLAN_CATEGORY_DLS = 2,
1782 WLAN_CATEGORY_BACK = 3,
1783 WLAN_CATEGORY_PUBLIC = 4,
1784 WLAN_CATEGORY_HT = 7,
1785 WLAN_CATEGORY_SA_QUERY = 8,
1786 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1787 WLAN_CATEGORY_TDLS = 12,
1788 WLAN_CATEGORY_MESH_ACTION = 13,
1789 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1790 WLAN_CATEGORY_SELF_PROTECTED = 15,
1791 WLAN_CATEGORY_DMG = 16,
1792 WLAN_CATEGORY_WMM = 17,
1793 WLAN_CATEGORY_FST = 18,
1794 WLAN_CATEGORY_UNPROT_DMG = 20,
1795 WLAN_CATEGORY_VHT = 21,
1796 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1797 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1798 };
1799
1800 /* SPECTRUM_MGMT action code */
1801 enum ieee80211_spectrum_mgmt_actioncode {
1802 WLAN_ACTION_SPCT_MSR_REQ = 0,
1803 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1804 WLAN_ACTION_SPCT_TPC_REQ = 2,
1805 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1806 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1807 };
1808
1809 /* HT action codes */
1810 enum ieee80211_ht_actioncode {
1811 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1812 WLAN_HT_ACTION_SMPS = 1,
1813 WLAN_HT_ACTION_PSMP = 2,
1814 WLAN_HT_ACTION_PCO_PHASE = 3,
1815 WLAN_HT_ACTION_CSI = 4,
1816 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1817 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1818 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1819 };
1820
1821 /* VHT action codes */
1822 enum ieee80211_vht_actioncode {
1823 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1824 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1825 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1826 };
1827
1828 /* Self Protected Action codes */
1829 enum ieee80211_self_protected_actioncode {
1830 WLAN_SP_RESERVED = 0,
1831 WLAN_SP_MESH_PEERING_OPEN = 1,
1832 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1833 WLAN_SP_MESH_PEERING_CLOSE = 3,
1834 WLAN_SP_MGK_INFORM = 4,
1835 WLAN_SP_MGK_ACK = 5,
1836 };
1837
1838 /* Mesh action codes */
1839 enum ieee80211_mesh_actioncode {
1840 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1841 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1842 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1843 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1844 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1845 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1846 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1847 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1848 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1849 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1850 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1851 };
1852
1853 /* Security key length */
1854 enum ieee80211_key_len {
1855 WLAN_KEY_LEN_WEP40 = 5,
1856 WLAN_KEY_LEN_WEP104 = 13,
1857 WLAN_KEY_LEN_CCMP = 16,
1858 WLAN_KEY_LEN_TKIP = 32,
1859 WLAN_KEY_LEN_AES_CMAC = 16,
1860 WLAN_KEY_LEN_SMS4 = 32,
1861 };
1862
1863 #define IEEE80211_WEP_IV_LEN 4
1864 #define IEEE80211_WEP_ICV_LEN 4
1865 #define IEEE80211_CCMP_HDR_LEN 8
1866 #define IEEE80211_CCMP_MIC_LEN 8
1867 #define IEEE80211_CCMP_PN_LEN 6
1868 #define IEEE80211_TKIP_IV_LEN 8
1869 #define IEEE80211_TKIP_ICV_LEN 4
1870 #define IEEE80211_CMAC_PN_LEN 6
1871
1872 /* Public action codes */
1873 enum ieee80211_pub_actioncode {
1874 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1875 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1876 };
1877
1878 /* TDLS action codes */
1879 enum ieee80211_tdls_actioncode {
1880 WLAN_TDLS_SETUP_REQUEST = 0,
1881 WLAN_TDLS_SETUP_RESPONSE = 1,
1882 WLAN_TDLS_SETUP_CONFIRM = 2,
1883 WLAN_TDLS_TEARDOWN = 3,
1884 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1885 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1886 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1887 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1888 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1889 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1890 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1891 };
1892
1893 /* Interworking capabilities are set in 7th bit of 4th byte of the
1894 * @WLAN_EID_EXT_CAPABILITY information element
1895 */
1896 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
1897
1898 /*
1899 * TDLS capabililites to be enabled in the 5th byte of the
1900 * @WLAN_EID_EXT_CAPABILITY information element
1901 */
1902 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1903 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1904
1905 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1906 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
1907
1908 /* TDLS specific payload type in the LLC/SNAP header */
1909 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1910
1911 /**
1912 * enum - mesh synchronization method identifier
1913 *
1914 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1915 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1916 * that will be specified in a vendor specific information element
1917 */
1918 enum {
1919 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1920 IEEE80211_SYNC_METHOD_VENDOR = 255,
1921 };
1922
1923 /**
1924 * enum - mesh path selection protocol identifier
1925 *
1926 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1927 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1928 * be specified in a vendor specific information element
1929 */
1930 enum {
1931 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1932 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1933 };
1934
1935 /**
1936 * enum - mesh path selection metric identifier
1937 *
1938 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1939 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1940 * specified in a vendor specific information element
1941 */
1942 enum {
1943 IEEE80211_PATH_METRIC_AIRTIME = 1,
1944 IEEE80211_PATH_METRIC_VENDOR = 255,
1945 };
1946
1947 /**
1948 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1949 *
1950 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1951 *
1952 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1953 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1954 * this value
1955 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1956 * the proactive PREQ with proactive PREP subfield set to 0
1957 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1958 * supports the proactive PREQ with proactive PREP subfield set to 1
1959 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1960 * the proactive RANN
1961 */
1962 enum ieee80211_root_mode_identifier {
1963 IEEE80211_ROOTMODE_NO_ROOT = 0,
1964 IEEE80211_ROOTMODE_ROOT = 1,
1965 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1966 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1967 IEEE80211_PROACTIVE_RANN = 4,
1968 };
1969
1970 /*
1971 * IEEE 802.11-2007 7.3.2.9 Country information element
1972 *
1973 * Minimum length is 8 octets, ie len must be evenly
1974 * divisible by 2
1975 */
1976
1977 /* Although the spec says 8 I'm seeing 6 in practice */
1978 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1979
1980 /* The Country String field of the element shall be 3 octets in length */
1981 #define IEEE80211_COUNTRY_STRING_LEN 3
1982
1983 /*
1984 * For regulatory extension stuff see IEEE 802.11-2007
1985 * Annex I (page 1141) and Annex J (page 1147). Also
1986 * review 7.3.2.9.
1987 *
1988 * When dot11RegulatoryClassesRequired is true and the
1989 * first_channel/reg_extension_id is >= 201 then the IE
1990 * compromises of the 'ext' struct represented below:
1991 *
1992 * - Regulatory extension ID - when generating IE this just needs
1993 * to be monotonically increasing for each triplet passed in
1994 * the IE
1995 * - Regulatory class - index into set of rules
1996 * - Coverage class - index into air propagation time (Table 7-27),
1997 * in microseconds, you can compute the air propagation time from
1998 * the index by multiplying by 3, so index 10 yields a propagation
1999 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2000 * yet. A value of 0 inicates air propagation of <= 1 us.
2001 *
2002 * See also Table I.2 for Emission limit sets and table
2003 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2004 * a reg_class to an emission limit set and behavior limit set.
2005 */
2006 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2007
2008 /*
2009 * Channels numbers in the IE must be monotonically increasing
2010 * if dot11RegulatoryClassesRequired is not true.
2011 *
2012 * If dot11RegulatoryClassesRequired is true consecutive
2013 * subband triplets following a regulatory triplet shall
2014 * have monotonically increasing first_channel number fields.
2015 *
2016 * Channel numbers shall not overlap.
2017 *
2018 * Note that max_power is signed.
2019 */
2020 struct ieee80211_country_ie_triplet {
2021 union {
2022 struct {
2023 u8 first_channel;
2024 u8 num_channels;
2025 s8 max_power;
2026 } __packed chans;
2027 struct {
2028 u8 reg_extension_id;
2029 u8 reg_class;
2030 u8 coverage_class;
2031 } __packed ext;
2032 };
2033 } __packed;
2034
2035 enum ieee80211_timeout_interval_type {
2036 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2037 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2038 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2039 };
2040
2041 /**
2042 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2043 * @type: type, see &enum ieee80211_timeout_interval_type
2044 * @value: timeout interval value
2045 */
2046 struct ieee80211_timeout_interval_ie {
2047 u8 type;
2048 __le32 value;
2049 } __packed;
2050
2051 /* BACK action code */
2052 enum ieee80211_back_actioncode {
2053 WLAN_ACTION_ADDBA_REQ = 0,
2054 WLAN_ACTION_ADDBA_RESP = 1,
2055 WLAN_ACTION_DELBA = 2,
2056 };
2057
2058 /* BACK (block-ack) parties */
2059 enum ieee80211_back_parties {
2060 WLAN_BACK_RECIPIENT = 0,
2061 WLAN_BACK_INITIATOR = 1,
2062 };
2063
2064 /* SA Query action */
2065 enum ieee80211_sa_query_action {
2066 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2067 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2068 };
2069
2070
2071 /* cipher suite selectors */
2072 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2073 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2074 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2075 /* reserved: 0x000FAC03 */
2076 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2077 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2078 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2079 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2080
2081 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2082
2083 /* AKM suite selectors */
2084 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2085 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2086 #define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2087 #define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2088 #define WLAN_AKM_SUITE_TDLS 0x000FAC07
2089 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2090 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2091
2092 #define WLAN_MAX_KEY_LEN 32
2093
2094 #define WLAN_PMKID_LEN 16
2095
2096 #define WLAN_OUI_WFA 0x506f9a
2097 #define WLAN_OUI_TYPE_WFA_P2P 9
2098 #define WLAN_OUI_MICROSOFT 0x0050f2
2099 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2100 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2101 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2102
2103 /*
2104 * WMM/802.11e Tspec Element
2105 */
2106 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2107 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2108
2109 enum ieee80211_tspec_status_code {
2110 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2111 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2112 };
2113
2114 struct ieee80211_tspec_ie {
2115 u8 element_id;
2116 u8 len;
2117 u8 oui[3];
2118 u8 oui_type;
2119 u8 oui_subtype;
2120 u8 version;
2121 __le16 tsinfo;
2122 u8 tsinfo_resvd;
2123 __le16 nominal_msdu;
2124 __le16 max_msdu;
2125 __le32 min_service_int;
2126 __le32 max_service_int;
2127 __le32 inactivity_int;
2128 __le32 suspension_int;
2129 __le32 service_start_time;
2130 __le32 min_data_rate;
2131 __le32 mean_data_rate;
2132 __le32 peak_data_rate;
2133 __le32 max_burst_size;
2134 __le32 delay_bound;
2135 __le32 min_phy_rate;
2136 __le16 sba;
2137 __le16 medium_time;
2138 } __packed;
2139
2140 /**
2141 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2142 * @hdr: the frame
2143 *
2144 * The qos ctrl bytes come after the frame_control, duration, seq_num
2145 * and 3 or 4 addresses of length ETH_ALEN.
2146 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2147 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2148 */
2149 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2150 {
2151 if (ieee80211_has_a4(hdr->frame_control))
2152 return (u8 *)hdr + 30;
2153 else
2154 return (u8 *)hdr + 24;
2155 }
2156
2157 /**
2158 * ieee80211_get_SA - get pointer to SA
2159 * @hdr: the frame
2160 *
2161 * Given an 802.11 frame, this function returns the offset
2162 * to the source address (SA). It does not verify that the
2163 * header is long enough to contain the address, and the
2164 * header must be long enough to contain the frame control
2165 * field.
2166 */
2167 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2168 {
2169 if (ieee80211_has_a4(hdr->frame_control))
2170 return hdr->addr4;
2171 if (ieee80211_has_fromds(hdr->frame_control))
2172 return hdr->addr3;
2173 return hdr->addr2;
2174 }
2175
2176 /**
2177 * ieee80211_get_DA - get pointer to DA
2178 * @hdr: the frame
2179 *
2180 * Given an 802.11 frame, this function returns the offset
2181 * to the destination address (DA). It does not verify that
2182 * the header is long enough to contain the address, and the
2183 * header must be long enough to contain the frame control
2184 * field.
2185 */
2186 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2187 {
2188 if (ieee80211_has_tods(hdr->frame_control))
2189 return hdr->addr3;
2190 else
2191 return hdr->addr1;
2192 }
2193
2194 /**
2195 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2196 * @hdr: the frame (buffer must include at least the first octet of payload)
2197 */
2198 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2199 {
2200 if (ieee80211_is_disassoc(hdr->frame_control) ||
2201 ieee80211_is_deauth(hdr->frame_control))
2202 return true;
2203
2204 if (ieee80211_is_action(hdr->frame_control)) {
2205 u8 *category;
2206
2207 /*
2208 * Action frames, excluding Public Action frames, are Robust
2209 * Management Frames. However, if we are looking at a Protected
2210 * frame, skip the check since the data may be encrypted and
2211 * the frame has already been found to be a Robust Management
2212 * Frame (by the other end).
2213 */
2214 if (ieee80211_has_protected(hdr->frame_control))
2215 return true;
2216 category = ((u8 *) hdr) + 24;
2217 return *category != WLAN_CATEGORY_PUBLIC &&
2218 *category != WLAN_CATEGORY_HT &&
2219 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2220 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2221 }
2222
2223 return false;
2224 }
2225
2226 /**
2227 * ieee80211_is_public_action - check if frame is a public action frame
2228 * @hdr: the frame
2229 * @len: length of the frame
2230 */
2231 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2232 size_t len)
2233 {
2234 struct ieee80211_mgmt *mgmt = (void *)hdr;
2235
2236 if (len < IEEE80211_MIN_ACTION_SIZE)
2237 return false;
2238 if (!ieee80211_is_action(hdr->frame_control))
2239 return false;
2240 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2241 }
2242
2243 /**
2244 * ieee80211_dsss_chan_to_freq - get channel center frequency
2245 * @channel: the DSSS channel
2246 *
2247 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2248 * Ref IEEE 802.11-2007 section 15.6
2249 */
2250 static inline int ieee80211_dsss_chan_to_freq(int channel)
2251 {
2252 if ((channel > 0) && (channel < 14))
2253 return 2407 + (channel * 5);
2254 else if (channel == 14)
2255 return 2484;
2256 else
2257 return -1;
2258 }
2259
2260 /**
2261 * ieee80211_freq_to_dsss_chan - get channel
2262 * @freq: the frequency
2263 *
2264 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2265 * Ref IEEE 802.11-2007 section 15.6
2266 *
2267 * This routine selects the channel with the closest center frequency.
2268 */
2269 static inline int ieee80211_freq_to_dsss_chan(int freq)
2270 {
2271 if ((freq >= 2410) && (freq < 2475))
2272 return (freq - 2405) / 5;
2273 else if ((freq >= 2482) && (freq < 2487))
2274 return 14;
2275 else
2276 return -1;
2277 }
2278
2279 /**
2280 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2281 * @tu: the TUs
2282 */
2283 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2284 {
2285 return 1024 * tu;
2286 }
2287
2288 /**
2289 * ieee80211_check_tim - check if AID bit is set in TIM
2290 * @tim: the TIM IE
2291 * @tim_len: length of the TIM IE
2292 * @aid: the AID to look for
2293 */
2294 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2295 u8 tim_len, u16 aid)
2296 {
2297 u8 mask;
2298 u8 index, indexn1, indexn2;
2299
2300 if (unlikely(!tim || tim_len < sizeof(*tim)))
2301 return false;
2302
2303 aid &= 0x3fff;
2304 index = aid / 8;
2305 mask = 1 << (aid & 7);
2306
2307 indexn1 = tim->bitmap_ctrl & 0xfe;
2308 indexn2 = tim_len + indexn1 - 4;
2309
2310 if (index < indexn1 || index > indexn2)
2311 return false;
2312
2313 index -= indexn1;
2314
2315 return !!(tim->virtual_map[index] & mask);
2316 }
2317
2318 /* convert time units */
2319 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2320 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2321
2322 #endif /* LINUX_IEEE80211_H */
2323
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