1 /*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
10 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
17 #ifndef LINUX_IEEE80211_H
18 #define LINUX_IEEE80211_H
19
20 #include <linux/types.h>
21 #include <linux/if_ether.h>
22 #include <linux/etherdevice.h>
23 #include <asm/byteorder.h>
24 #include <asm/unaligned.h>
25
26 /*
27 * DS bit usage
28 *
29 * TA = transmitter address
30 * RA = receiver address
31 * DA = destination address
32 * SA = source address
33 *
34 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
35 * -----------------------------------------------------------------
36 * 0 0 DA SA BSSID - IBSS/DLS
37 * 0 1 DA BSSID SA - AP -> STA
38 * 1 0 BSSID SA DA - AP <- STA
39 * 1 1 RA TA DA SA unspecified (WDS)
40 */
41
42 #define FCS_LEN 4
43
44 #define IEEE80211_FCTL_VERS 0x0003
45 #define IEEE80211_FCTL_FTYPE 0x000c
46 #define IEEE80211_FCTL_STYPE 0x00f0
47 #define IEEE80211_FCTL_TODS 0x0100
48 #define IEEE80211_FCTL_FROMDS 0x0200
49 #define IEEE80211_FCTL_MOREFRAGS 0x0400
50 #define IEEE80211_FCTL_RETRY 0x0800
51 #define IEEE80211_FCTL_PM 0x1000
52 #define IEEE80211_FCTL_MOREDATA 0x2000
53 #define IEEE80211_FCTL_PROTECTED 0x4000
54 #define IEEE80211_FCTL_ORDER 0x8000
55 #define IEEE80211_FCTL_CTL_EXT 0x0f00
56
57 #define IEEE80211_SCTL_FRAG 0x000F
58 #define IEEE80211_SCTL_SEQ 0xFFF0
59
60 #define IEEE80211_FTYPE_MGMT 0x0000
61 #define IEEE80211_FTYPE_CTL 0x0004
62 #define IEEE80211_FTYPE_DATA 0x0008
63 #define IEEE80211_FTYPE_EXT 0x000c
64
65 /* management */
66 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
67 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
68 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
69 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
70 #define IEEE80211_STYPE_PROBE_REQ 0x0040
71 #define IEEE80211_STYPE_PROBE_RESP 0x0050
72 #define IEEE80211_STYPE_BEACON 0x0080
73 #define IEEE80211_STYPE_ATIM 0x0090
74 #define IEEE80211_STYPE_DISASSOC 0x00A0
75 #define IEEE80211_STYPE_AUTH 0x00B0
76 #define IEEE80211_STYPE_DEAUTH 0x00C0
77 #define IEEE80211_STYPE_ACTION 0x00D0
78
79 /* control */
80 #define IEEE80211_STYPE_CTL_EXT 0x0060
81 #define IEEE80211_STYPE_BACK_REQ 0x0080
82 #define IEEE80211_STYPE_BACK 0x0090
83 #define IEEE80211_STYPE_PSPOLL 0x00A0
84 #define IEEE80211_STYPE_RTS 0x00B0
85 #define IEEE80211_STYPE_CTS 0x00C0
86 #define IEEE80211_STYPE_ACK 0x00D0
87 #define IEEE80211_STYPE_CFEND 0x00E0
88 #define IEEE80211_STYPE_CFENDACK 0x00F0
89
90 /* data */
91 #define IEEE80211_STYPE_DATA 0x0000
92 #define IEEE80211_STYPE_DATA_CFACK 0x0010
93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
95 #define IEEE80211_STYPE_NULLFUNC 0x0040
96 #define IEEE80211_STYPE_CFACK 0x0050
97 #define IEEE80211_STYPE_CFPOLL 0x0060
98 #define IEEE80211_STYPE_CFACKPOLL 0x0070
99 #define IEEE80211_STYPE_QOS_DATA 0x0080
100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
107
108 /* extension, added by 802.11ad */
109 #define IEEE80211_STYPE_DMG_BEACON 0x0000
110
111 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
112 #define IEEE80211_CTL_EXT_POLL 0x2000
113 #define IEEE80211_CTL_EXT_SPR 0x3000
114 #define IEEE80211_CTL_EXT_GRANT 0x4000
115 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
116 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
117 #define IEEE80211_CTL_EXT_SSW 0x8000
118 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
119 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
120
121
122 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
123 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
124 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
125
ieee80211_sn_less(u16 sn1,u16 sn2)126 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
127 {
128 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
129 }
130
ieee80211_sn_add(u16 sn1,u16 sn2)131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
132 {
133 return (sn1 + sn2) & IEEE80211_SN_MASK;
134 }
135
ieee80211_sn_inc(u16 sn)136 static inline u16 ieee80211_sn_inc(u16 sn)
137 {
138 return ieee80211_sn_add(sn, 1);
139 }
140
ieee80211_sn_sub(u16 sn1,u16 sn2)141 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
142 {
143 return (sn1 - sn2) & IEEE80211_SN_MASK;
144 }
145
146 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
147 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
148
149 /* miscellaneous IEEE 802.11 constants */
150 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
151 #define IEEE80211_MAX_RTS_THRESHOLD 2353
152 #define IEEE80211_MAX_AID 2007
153 #define IEEE80211_MAX_TIM_LEN 251
154 #define IEEE80211_MAX_MESH_PEERINGS 63
155 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
156 6.2.1.1.2.
157
158 802.11e clarifies the figure in section 7.1.2. The frame body is
159 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
160 #define IEEE80211_MAX_DATA_LEN 2304
161 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
162 * to 7920 bytes, see 8.2.3 General frame format
163 */
164 #define IEEE80211_MAX_DATA_LEN_DMG 7920
165 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
166 #define IEEE80211_MAX_FRAME_LEN 2352
167
168 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
169 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
170
171 /* Maximal size of an A-MSDU */
172 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
173 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
174
175 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
176 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
177 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
178
179 #define IEEE80211_MAX_SSID_LEN 32
180
181 #define IEEE80211_MAX_MESH_ID_LEN 32
182
183 #define IEEE80211_FIRST_TSPEC_TSID 8
184 #define IEEE80211_NUM_TIDS 16
185
186 /* number of user priorities 802.11 uses */
187 #define IEEE80211_NUM_UPS 8
188 /* number of ACs */
189 #define IEEE80211_NUM_ACS 4
190
191 #define IEEE80211_QOS_CTL_LEN 2
192 /* 1d tag mask */
193 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
194 /* TID mask */
195 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
196 /* EOSP */
197 #define IEEE80211_QOS_CTL_EOSP 0x0010
198 /* ACK policy */
199 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
200 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
201 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
202 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
203 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
204 /* A-MSDU 802.11n */
205 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
206 /* Mesh Control 802.11s */
207 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
208
209 /* Mesh Power Save Level */
210 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
211 /* Mesh Receiver Service Period Initiated */
212 #define IEEE80211_QOS_CTL_RSPI 0x0400
213
214 /* U-APSD queue for WMM IEs sent by AP */
215 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
216 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
217
218 /* U-APSD queues for WMM IEs sent by STA */
219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
222 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
223 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
224
225 /* U-APSD max SP length for WMM IEs sent by STA */
226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
230 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
231 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
232
233 #define IEEE80211_HT_CTL_LEN 4
234
235 struct ieee80211_hdr {
236 __le16 frame_control;
237 __le16 duration_id;
238 u8 addr1[ETH_ALEN];
239 u8 addr2[ETH_ALEN];
240 u8 addr3[ETH_ALEN];
241 __le16 seq_ctrl;
242 u8 addr4[ETH_ALEN];
243 } __packed __aligned(2);
244
245 struct ieee80211_hdr_3addr {
246 __le16 frame_control;
247 __le16 duration_id;
248 u8 addr1[ETH_ALEN];
249 u8 addr2[ETH_ALEN];
250 u8 addr3[ETH_ALEN];
251 __le16 seq_ctrl;
252 } __packed __aligned(2);
253
254 struct ieee80211_qos_hdr {
255 __le16 frame_control;
256 __le16 duration_id;
257 u8 addr1[ETH_ALEN];
258 u8 addr2[ETH_ALEN];
259 u8 addr3[ETH_ALEN];
260 __le16 seq_ctrl;
261 __le16 qos_ctrl;
262 } __packed __aligned(2);
263
264 /**
265 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
266 * @fc: frame control bytes in little-endian byteorder
267 */
ieee80211_has_tods(__le16 fc)268 static inline bool ieee80211_has_tods(__le16 fc)
269 {
270 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
271 }
272
273 /**
274 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
275 * @fc: frame control bytes in little-endian byteorder
276 */
ieee80211_has_fromds(__le16 fc)277 static inline bool ieee80211_has_fromds(__le16 fc)
278 {
279 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
280 }
281
282 /**
283 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
284 * @fc: frame control bytes in little-endian byteorder
285 */
ieee80211_has_a4(__le16 fc)286 static inline bool ieee80211_has_a4(__le16 fc)
287 {
288 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
289 return (fc & tmp) == tmp;
290 }
291
292 /**
293 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
294 * @fc: frame control bytes in little-endian byteorder
295 */
ieee80211_has_morefrags(__le16 fc)296 static inline bool ieee80211_has_morefrags(__le16 fc)
297 {
298 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
299 }
300
301 /**
302 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
303 * @fc: frame control bytes in little-endian byteorder
304 */
ieee80211_has_retry(__le16 fc)305 static inline bool ieee80211_has_retry(__le16 fc)
306 {
307 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
308 }
309
310 /**
311 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
312 * @fc: frame control bytes in little-endian byteorder
313 */
ieee80211_has_pm(__le16 fc)314 static inline bool ieee80211_has_pm(__le16 fc)
315 {
316 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
317 }
318
319 /**
320 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
321 * @fc: frame control bytes in little-endian byteorder
322 */
ieee80211_has_moredata(__le16 fc)323 static inline bool ieee80211_has_moredata(__le16 fc)
324 {
325 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
326 }
327
328 /**
329 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
330 * @fc: frame control bytes in little-endian byteorder
331 */
ieee80211_has_protected(__le16 fc)332 static inline bool ieee80211_has_protected(__le16 fc)
333 {
334 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
335 }
336
337 /**
338 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
339 * @fc: frame control bytes in little-endian byteorder
340 */
ieee80211_has_order(__le16 fc)341 static inline bool ieee80211_has_order(__le16 fc)
342 {
343 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
344 }
345
346 /**
347 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
348 * @fc: frame control bytes in little-endian byteorder
349 */
ieee80211_is_mgmt(__le16 fc)350 static inline bool ieee80211_is_mgmt(__le16 fc)
351 {
352 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
353 cpu_to_le16(IEEE80211_FTYPE_MGMT);
354 }
355
356 /**
357 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
358 * @fc: frame control bytes in little-endian byteorder
359 */
ieee80211_is_ctl(__le16 fc)360 static inline bool ieee80211_is_ctl(__le16 fc)
361 {
362 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
363 cpu_to_le16(IEEE80211_FTYPE_CTL);
364 }
365
366 /**
367 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
368 * @fc: frame control bytes in little-endian byteorder
369 */
ieee80211_is_data(__le16 fc)370 static inline bool ieee80211_is_data(__le16 fc)
371 {
372 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
373 cpu_to_le16(IEEE80211_FTYPE_DATA);
374 }
375
376 /**
377 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
378 * @fc: frame control bytes in little-endian byteorder
379 */
ieee80211_is_data_qos(__le16 fc)380 static inline bool ieee80211_is_data_qos(__le16 fc)
381 {
382 /*
383 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
384 * to check the one bit
385 */
386 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
387 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
388 }
389
390 /**
391 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
392 * @fc: frame control bytes in little-endian byteorder
393 */
ieee80211_is_data_present(__le16 fc)394 static inline bool ieee80211_is_data_present(__le16 fc)
395 {
396 /*
397 * mask with 0x40 and test that that bit is clear to only return true
398 * for the data-containing substypes.
399 */
400 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
401 cpu_to_le16(IEEE80211_FTYPE_DATA);
402 }
403
404 /**
405 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
406 * @fc: frame control bytes in little-endian byteorder
407 */
ieee80211_is_assoc_req(__le16 fc)408 static inline bool ieee80211_is_assoc_req(__le16 fc)
409 {
410 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
411 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
412 }
413
414 /**
415 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
416 * @fc: frame control bytes in little-endian byteorder
417 */
ieee80211_is_assoc_resp(__le16 fc)418 static inline bool ieee80211_is_assoc_resp(__le16 fc)
419 {
420 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
421 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
422 }
423
424 /**
425 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
426 * @fc: frame control bytes in little-endian byteorder
427 */
ieee80211_is_reassoc_req(__le16 fc)428 static inline bool ieee80211_is_reassoc_req(__le16 fc)
429 {
430 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
431 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
432 }
433
434 /**
435 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
436 * @fc: frame control bytes in little-endian byteorder
437 */
ieee80211_is_reassoc_resp(__le16 fc)438 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
439 {
440 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
441 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
442 }
443
444 /**
445 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
446 * @fc: frame control bytes in little-endian byteorder
447 */
ieee80211_is_probe_req(__le16 fc)448 static inline bool ieee80211_is_probe_req(__le16 fc)
449 {
450 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
451 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
452 }
453
454 /**
455 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
456 * @fc: frame control bytes in little-endian byteorder
457 */
ieee80211_is_probe_resp(__le16 fc)458 static inline bool ieee80211_is_probe_resp(__le16 fc)
459 {
460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
461 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
462 }
463
464 /**
465 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
466 * @fc: frame control bytes in little-endian byteorder
467 */
ieee80211_is_beacon(__le16 fc)468 static inline bool ieee80211_is_beacon(__le16 fc)
469 {
470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
471 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
472 }
473
474 /**
475 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
476 * @fc: frame control bytes in little-endian byteorder
477 */
ieee80211_is_atim(__le16 fc)478 static inline bool ieee80211_is_atim(__le16 fc)
479 {
480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
481 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
482 }
483
484 /**
485 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
486 * @fc: frame control bytes in little-endian byteorder
487 */
ieee80211_is_disassoc(__le16 fc)488 static inline bool ieee80211_is_disassoc(__le16 fc)
489 {
490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
491 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
492 }
493
494 /**
495 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
496 * @fc: frame control bytes in little-endian byteorder
497 */
ieee80211_is_auth(__le16 fc)498 static inline bool ieee80211_is_auth(__le16 fc)
499 {
500 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
501 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
502 }
503
504 /**
505 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
506 * @fc: frame control bytes in little-endian byteorder
507 */
ieee80211_is_deauth(__le16 fc)508 static inline bool ieee80211_is_deauth(__le16 fc)
509 {
510 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
511 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
512 }
513
514 /**
515 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
516 * @fc: frame control bytes in little-endian byteorder
517 */
ieee80211_is_action(__le16 fc)518 static inline bool ieee80211_is_action(__le16 fc)
519 {
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
521 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
522 }
523
524 /**
525 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
526 * @fc: frame control bytes in little-endian byteorder
527 */
ieee80211_is_back_req(__le16 fc)528 static inline bool ieee80211_is_back_req(__le16 fc)
529 {
530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
531 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
532 }
533
534 /**
535 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
536 * @fc: frame control bytes in little-endian byteorder
537 */
ieee80211_is_back(__le16 fc)538 static inline bool ieee80211_is_back(__le16 fc)
539 {
540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
541 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
542 }
543
544 /**
545 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
546 * @fc: frame control bytes in little-endian byteorder
547 */
ieee80211_is_pspoll(__le16 fc)548 static inline bool ieee80211_is_pspoll(__le16 fc)
549 {
550 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
551 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
552 }
553
554 /**
555 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
556 * @fc: frame control bytes in little-endian byteorder
557 */
ieee80211_is_rts(__le16 fc)558 static inline bool ieee80211_is_rts(__le16 fc)
559 {
560 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
561 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
562 }
563
564 /**
565 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
566 * @fc: frame control bytes in little-endian byteorder
567 */
ieee80211_is_cts(__le16 fc)568 static inline bool ieee80211_is_cts(__le16 fc)
569 {
570 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
571 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
572 }
573
574 /**
575 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
576 * @fc: frame control bytes in little-endian byteorder
577 */
ieee80211_is_ack(__le16 fc)578 static inline bool ieee80211_is_ack(__le16 fc)
579 {
580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
581 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
582 }
583
584 /**
585 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
586 * @fc: frame control bytes in little-endian byteorder
587 */
ieee80211_is_cfend(__le16 fc)588 static inline bool ieee80211_is_cfend(__le16 fc)
589 {
590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
592 }
593
594 /**
595 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
596 * @fc: frame control bytes in little-endian byteorder
597 */
ieee80211_is_cfendack(__le16 fc)598 static inline bool ieee80211_is_cfendack(__le16 fc)
599 {
600 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
601 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
602 }
603
604 /**
605 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
606 * @fc: frame control bytes in little-endian byteorder
607 */
ieee80211_is_nullfunc(__le16 fc)608 static inline bool ieee80211_is_nullfunc(__le16 fc)
609 {
610 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
611 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
612 }
613
614 /**
615 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
616 * @fc: frame control bytes in little-endian byteorder
617 */
ieee80211_is_qos_nullfunc(__le16 fc)618 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
619 {
620 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
621 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
622 }
623
624 /**
625 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
626 * @fc: frame control field in little-endian byteorder
627 */
ieee80211_is_bufferable_mmpdu(__le16 fc)628 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
629 {
630 /* IEEE 802.11-2012, definition of "bufferable management frame";
631 * note that this ignores the IBSS special case. */
632 return ieee80211_is_mgmt(fc) &&
633 (ieee80211_is_action(fc) ||
634 ieee80211_is_disassoc(fc) ||
635 ieee80211_is_deauth(fc));
636 }
637
638 /**
639 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
640 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
641 */
ieee80211_is_first_frag(__le16 seq_ctrl)642 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
643 {
644 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
645 }
646
647 /**
648 * ieee80211_is_frag - check if a frame is a fragment
649 * @hdr: 802.11 header of the frame
650 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)651 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
652 {
653 return ieee80211_has_morefrags(hdr->frame_control) ||
654 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
655 }
656
657 struct ieee80211s_hdr {
658 u8 flags;
659 u8 ttl;
660 __le32 seqnum;
661 u8 eaddr1[ETH_ALEN];
662 u8 eaddr2[ETH_ALEN];
663 } __packed __aligned(2);
664
665 /* Mesh flags */
666 #define MESH_FLAGS_AE_A4 0x1
667 #define MESH_FLAGS_AE_A5_A6 0x2
668 #define MESH_FLAGS_AE 0x3
669 #define MESH_FLAGS_PS_DEEP 0x4
670
671 /**
672 * enum ieee80211_preq_flags - mesh PREQ element flags
673 *
674 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
675 */
676 enum ieee80211_preq_flags {
677 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
678 };
679
680 /**
681 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
682 *
683 * @IEEE80211_PREQ_TO_FLAG: target only subfield
684 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
685 */
686 enum ieee80211_preq_target_flags {
687 IEEE80211_PREQ_TO_FLAG = 1<<0,
688 IEEE80211_PREQ_USN_FLAG = 1<<2,
689 };
690
691 /**
692 * struct ieee80211_quiet_ie
693 *
694 * This structure refers to "Quiet information element"
695 */
696 struct ieee80211_quiet_ie {
697 u8 count;
698 u8 period;
699 __le16 duration;
700 __le16 offset;
701 } __packed;
702
703 /**
704 * struct ieee80211_msrment_ie
705 *
706 * This structure refers to "Measurement Request/Report information element"
707 */
708 struct ieee80211_msrment_ie {
709 u8 token;
710 u8 mode;
711 u8 type;
712 u8 request[0];
713 } __packed;
714
715 /**
716 * struct ieee80211_channel_sw_ie
717 *
718 * This structure refers to "Channel Switch Announcement information element"
719 */
720 struct ieee80211_channel_sw_ie {
721 u8 mode;
722 u8 new_ch_num;
723 u8 count;
724 } __packed;
725
726 /**
727 * struct ieee80211_ext_chansw_ie
728 *
729 * This structure represents the "Extended Channel Switch Announcement element"
730 */
731 struct ieee80211_ext_chansw_ie {
732 u8 mode;
733 u8 new_operating_class;
734 u8 new_ch_num;
735 u8 count;
736 } __packed;
737
738 /**
739 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
740 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
741 * values here
742 * This structure represents the "Secondary Channel Offset element"
743 */
744 struct ieee80211_sec_chan_offs_ie {
745 u8 sec_chan_offs;
746 } __packed;
747
748 /**
749 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
750 *
751 * This structure represents the "Mesh Channel Switch Paramters element"
752 */
753 struct ieee80211_mesh_chansw_params_ie {
754 u8 mesh_ttl;
755 u8 mesh_flags;
756 __le16 mesh_reason;
757 __le16 mesh_pre_value;
758 } __packed;
759
760 /**
761 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
762 */
763 struct ieee80211_wide_bw_chansw_ie {
764 u8 new_channel_width;
765 u8 new_center_freq_seg0, new_center_freq_seg1;
766 } __packed;
767
768 /**
769 * struct ieee80211_tim
770 *
771 * This structure refers to "Traffic Indication Map information element"
772 */
773 struct ieee80211_tim_ie {
774 u8 dtim_count;
775 u8 dtim_period;
776 u8 bitmap_ctrl;
777 /* variable size: 1 - 251 bytes */
778 u8 virtual_map[1];
779 } __packed;
780
781 /**
782 * struct ieee80211_meshconf_ie
783 *
784 * This structure refers to "Mesh Configuration information element"
785 */
786 struct ieee80211_meshconf_ie {
787 u8 meshconf_psel;
788 u8 meshconf_pmetric;
789 u8 meshconf_congest;
790 u8 meshconf_synch;
791 u8 meshconf_auth;
792 u8 meshconf_form;
793 u8 meshconf_cap;
794 } __packed;
795
796 /**
797 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
798 *
799 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
800 * additional mesh peerings with other mesh STAs
801 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
802 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
803 * is ongoing
804 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
805 * neighbors in deep sleep mode
806 */
807 enum mesh_config_capab_flags {
808 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
809 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
810 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
811 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
812 };
813
814 /**
815 * mesh channel switch parameters element's flag indicator
816 *
817 */
818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
821
822 /**
823 * struct ieee80211_rann_ie
824 *
825 * This structure refers to "Root Announcement information element"
826 */
827 struct ieee80211_rann_ie {
828 u8 rann_flags;
829 u8 rann_hopcount;
830 u8 rann_ttl;
831 u8 rann_addr[ETH_ALEN];
832 __le32 rann_seq;
833 __le32 rann_interval;
834 __le32 rann_metric;
835 } __packed;
836
837 enum ieee80211_rann_flags {
838 RANN_FLAG_IS_GATE = 1 << 0,
839 };
840
841 enum ieee80211_ht_chanwidth_values {
842 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
843 IEEE80211_HT_CHANWIDTH_ANY = 1,
844 };
845
846 /**
847 * enum ieee80211_opmode_bits - VHT operating mode field bits
848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
854 * (the NSS value is the value of this field + 1)
855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
857 * using a beamforming steering matrix
858 */
859 enum ieee80211_vht_opmode_bits {
860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
865 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
866 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
867 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
868 };
869
870 #define WLAN_SA_QUERY_TR_ID_LEN 2
871 #define WLAN_MEMBERSHIP_LEN 8
872 #define WLAN_USER_POSITION_LEN 16
873
874 /**
875 * struct ieee80211_tpc_report_ie
876 *
877 * This structure refers to "TPC Report element"
878 */
879 struct ieee80211_tpc_report_ie {
880 u8 tx_power;
881 u8 link_margin;
882 } __packed;
883
884 struct ieee80211_mgmt {
885 __le16 frame_control;
886 __le16 duration;
887 u8 da[ETH_ALEN];
888 u8 sa[ETH_ALEN];
889 u8 bssid[ETH_ALEN];
890 __le16 seq_ctrl;
891 union {
892 struct {
893 __le16 auth_alg;
894 __le16 auth_transaction;
895 __le16 status_code;
896 /* possibly followed by Challenge text */
897 u8 variable[0];
898 } __packed auth;
899 struct {
900 __le16 reason_code;
901 } __packed deauth;
902 struct {
903 __le16 capab_info;
904 __le16 listen_interval;
905 /* followed by SSID and Supported rates */
906 u8 variable[0];
907 } __packed assoc_req;
908 struct {
909 __le16 capab_info;
910 __le16 status_code;
911 __le16 aid;
912 /* followed by Supported rates */
913 u8 variable[0];
914 } __packed assoc_resp, reassoc_resp;
915 struct {
916 __le16 capab_info;
917 __le16 listen_interval;
918 u8 current_ap[ETH_ALEN];
919 /* followed by SSID and Supported rates */
920 u8 variable[0];
921 } __packed reassoc_req;
922 struct {
923 __le16 reason_code;
924 } __packed disassoc;
925 struct {
926 __le64 timestamp;
927 __le16 beacon_int;
928 __le16 capab_info;
929 /* followed by some of SSID, Supported rates,
930 * FH Params, DS Params, CF Params, IBSS Params, TIM */
931 u8 variable[0];
932 } __packed beacon;
933 struct {
934 /* only variable items: SSID, Supported rates */
935 u8 variable[0];
936 } __packed probe_req;
937 struct {
938 __le64 timestamp;
939 __le16 beacon_int;
940 __le16 capab_info;
941 /* followed by some of SSID, Supported rates,
942 * FH Params, DS Params, CF Params, IBSS Params */
943 u8 variable[0];
944 } __packed probe_resp;
945 struct {
946 u8 category;
947 union {
948 struct {
949 u8 action_code;
950 u8 dialog_token;
951 u8 status_code;
952 u8 variable[0];
953 } __packed wme_action;
954 struct{
955 u8 action_code;
956 u8 variable[0];
957 } __packed chan_switch;
958 struct{
959 u8 action_code;
960 struct ieee80211_ext_chansw_ie data;
961 u8 variable[0];
962 } __packed ext_chan_switch;
963 struct{
964 u8 action_code;
965 u8 dialog_token;
966 u8 element_id;
967 u8 length;
968 struct ieee80211_msrment_ie msr_elem;
969 } __packed measurement;
970 struct{
971 u8 action_code;
972 u8 dialog_token;
973 __le16 capab;
974 __le16 timeout;
975 __le16 start_seq_num;
976 } __packed addba_req;
977 struct{
978 u8 action_code;
979 u8 dialog_token;
980 __le16 status;
981 __le16 capab;
982 __le16 timeout;
983 } __packed addba_resp;
984 struct{
985 u8 action_code;
986 __le16 params;
987 __le16 reason_code;
988 } __packed delba;
989 struct {
990 u8 action_code;
991 u8 variable[0];
992 } __packed self_prot;
993 struct{
994 u8 action_code;
995 u8 variable[0];
996 } __packed mesh_action;
997 struct {
998 u8 action;
999 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1000 } __packed sa_query;
1001 struct {
1002 u8 action;
1003 u8 smps_control;
1004 } __packed ht_smps;
1005 struct {
1006 u8 action_code;
1007 u8 chanwidth;
1008 } __packed ht_notify_cw;
1009 struct {
1010 u8 action_code;
1011 u8 dialog_token;
1012 __le16 capability;
1013 u8 variable[0];
1014 } __packed tdls_discover_resp;
1015 struct {
1016 u8 action_code;
1017 u8 operating_mode;
1018 } __packed vht_opmode_notif;
1019 struct {
1020 u8 action_code;
1021 u8 membership[WLAN_MEMBERSHIP_LEN];
1022 u8 position[WLAN_USER_POSITION_LEN];
1023 } __packed vht_group_notif;
1024 struct {
1025 u8 action_code;
1026 u8 dialog_token;
1027 u8 tpc_elem_id;
1028 u8 tpc_elem_length;
1029 struct ieee80211_tpc_report_ie tpc;
1030 } __packed tpc_report;
1031 struct {
1032 u8 action_code;
1033 u8 dialog_token;
1034 u8 follow_up;
1035 u8 tod[6];
1036 u8 toa[6];
1037 __le16 tod_error;
1038 __le16 toa_error;
1039 u8 variable[0];
1040 } __packed ftm;
1041 } u;
1042 } __packed action;
1043 } u;
1044 } __packed __aligned(2);
1045
1046 /* Supported rates membership selectors */
1047 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1048 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1049
1050 /* mgmt header + 1 byte category code */
1051 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1052
1053
1054 /* Management MIC information element (IEEE 802.11w) */
1055 struct ieee80211_mmie {
1056 u8 element_id;
1057 u8 length;
1058 __le16 key_id;
1059 u8 sequence_number[6];
1060 u8 mic[8];
1061 } __packed;
1062
1063 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1064 struct ieee80211_mmie_16 {
1065 u8 element_id;
1066 u8 length;
1067 __le16 key_id;
1068 u8 sequence_number[6];
1069 u8 mic[16];
1070 } __packed;
1071
1072 struct ieee80211_vendor_ie {
1073 u8 element_id;
1074 u8 len;
1075 u8 oui[3];
1076 u8 oui_type;
1077 } __packed;
1078
1079 struct ieee80211_wmm_ac_param {
1080 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1081 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1082 __le16 txop_limit;
1083 } __packed;
1084
1085 struct ieee80211_wmm_param_ie {
1086 u8 element_id; /* Element ID: 221 (0xdd); */
1087 u8 len; /* Length: 24 */
1088 /* required fields for WMM version 1 */
1089 u8 oui[3]; /* 00:50:f2 */
1090 u8 oui_type; /* 2 */
1091 u8 oui_subtype; /* 1 */
1092 u8 version; /* 1 for WMM version 1.0 */
1093 u8 qos_info; /* AP/STA specific QoS info */
1094 u8 reserved; /* 0 */
1095 /* AC_BE, AC_BK, AC_VI, AC_VO */
1096 struct ieee80211_wmm_ac_param ac[4];
1097 } __packed;
1098
1099 /* Control frames */
1100 struct ieee80211_rts {
1101 __le16 frame_control;
1102 __le16 duration;
1103 u8 ra[ETH_ALEN];
1104 u8 ta[ETH_ALEN];
1105 } __packed __aligned(2);
1106
1107 struct ieee80211_cts {
1108 __le16 frame_control;
1109 __le16 duration;
1110 u8 ra[ETH_ALEN];
1111 } __packed __aligned(2);
1112
1113 struct ieee80211_pspoll {
1114 __le16 frame_control;
1115 __le16 aid;
1116 u8 bssid[ETH_ALEN];
1117 u8 ta[ETH_ALEN];
1118 } __packed __aligned(2);
1119
1120 /* TDLS */
1121
1122 /* Channel switch timing */
1123 struct ieee80211_ch_switch_timing {
1124 __le16 switch_time;
1125 __le16 switch_timeout;
1126 } __packed;
1127
1128 /* Link-id information element */
1129 struct ieee80211_tdls_lnkie {
1130 u8 ie_type; /* Link Identifier IE */
1131 u8 ie_len;
1132 u8 bssid[ETH_ALEN];
1133 u8 init_sta[ETH_ALEN];
1134 u8 resp_sta[ETH_ALEN];
1135 } __packed;
1136
1137 struct ieee80211_tdls_data {
1138 u8 da[ETH_ALEN];
1139 u8 sa[ETH_ALEN];
1140 __be16 ether_type;
1141 u8 payload_type;
1142 u8 category;
1143 u8 action_code;
1144 union {
1145 struct {
1146 u8 dialog_token;
1147 __le16 capability;
1148 u8 variable[0];
1149 } __packed setup_req;
1150 struct {
1151 __le16 status_code;
1152 u8 dialog_token;
1153 __le16 capability;
1154 u8 variable[0];
1155 } __packed setup_resp;
1156 struct {
1157 __le16 status_code;
1158 u8 dialog_token;
1159 u8 variable[0];
1160 } __packed setup_cfm;
1161 struct {
1162 __le16 reason_code;
1163 u8 variable[0];
1164 } __packed teardown;
1165 struct {
1166 u8 dialog_token;
1167 u8 variable[0];
1168 } __packed discover_req;
1169 struct {
1170 u8 target_channel;
1171 u8 oper_class;
1172 u8 variable[0];
1173 } __packed chan_switch_req;
1174 struct {
1175 __le16 status_code;
1176 u8 variable[0];
1177 } __packed chan_switch_resp;
1178 } u;
1179 } __packed;
1180
1181 /*
1182 * Peer-to-Peer IE attribute related definitions.
1183 */
1184 /**
1185 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1186 */
1187 enum ieee80211_p2p_attr_id {
1188 IEEE80211_P2P_ATTR_STATUS = 0,
1189 IEEE80211_P2P_ATTR_MINOR_REASON,
1190 IEEE80211_P2P_ATTR_CAPABILITY,
1191 IEEE80211_P2P_ATTR_DEVICE_ID,
1192 IEEE80211_P2P_ATTR_GO_INTENT,
1193 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1194 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1195 IEEE80211_P2P_ATTR_GROUP_BSSID,
1196 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1197 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1198 IEEE80211_P2P_ATTR_MANAGABILITY,
1199 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1200 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1201 IEEE80211_P2P_ATTR_DEVICE_INFO,
1202 IEEE80211_P2P_ATTR_GROUP_INFO,
1203 IEEE80211_P2P_ATTR_GROUP_ID,
1204 IEEE80211_P2P_ATTR_INTERFACE,
1205 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1206 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1207 /* 19 - 220: Reserved */
1208 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1209
1210 IEEE80211_P2P_ATTR_MAX
1211 };
1212
1213 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1214 /* Typical max value used here */
1215 #define IEEE80211_P2P_NOA_DESC_MAX 4
1216
1217 struct ieee80211_p2p_noa_desc {
1218 u8 count;
1219 __le32 duration;
1220 __le32 interval;
1221 __le32 start_time;
1222 } __packed;
1223
1224 struct ieee80211_p2p_noa_attr {
1225 u8 index;
1226 u8 oppps_ctwindow;
1227 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1228 } __packed;
1229
1230 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1231 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1232
1233 /**
1234 * struct ieee80211_bar - HT Block Ack Request
1235 *
1236 * This structure refers to "HT BlockAckReq" as
1237 * described in 802.11n draft section 7.2.1.7.1
1238 */
1239 struct ieee80211_bar {
1240 __le16 frame_control;
1241 __le16 duration;
1242 __u8 ra[ETH_ALEN];
1243 __u8 ta[ETH_ALEN];
1244 __le16 control;
1245 __le16 start_seq_num;
1246 } __packed;
1247
1248 /* 802.11 BAR control masks */
1249 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1250 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1251 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1252 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1253 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1254
1255 #define IEEE80211_HT_MCS_MASK_LEN 10
1256
1257 /**
1258 * struct ieee80211_mcs_info - MCS information
1259 * @rx_mask: RX mask
1260 * @rx_highest: highest supported RX rate. If set represents
1261 * the highest supported RX data rate in units of 1 Mbps.
1262 * If this field is 0 this value should not be used to
1263 * consider the highest RX data rate supported.
1264 * @tx_params: TX parameters
1265 */
1266 struct ieee80211_mcs_info {
1267 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1268 __le16 rx_highest;
1269 u8 tx_params;
1270 u8 reserved[3];
1271 } __packed;
1272
1273 /* 802.11n HT capability MSC set */
1274 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1275 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1276 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1277 /* value 0 == 1 stream etc */
1278 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1279 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1280 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1281 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1282
1283 /*
1284 * 802.11n D5.0 20.3.5 / 20.6 says:
1285 * - indices 0 to 7 and 32 are single spatial stream
1286 * - 8 to 31 are multiple spatial streams using equal modulation
1287 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1288 * - remainder are multiple spatial streams using unequal modulation
1289 */
1290 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1291 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1292 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1293
1294 /**
1295 * struct ieee80211_ht_cap - HT capabilities
1296 *
1297 * This structure is the "HT capabilities element" as
1298 * described in 802.11n D5.0 7.3.2.57
1299 */
1300 struct ieee80211_ht_cap {
1301 __le16 cap_info;
1302 u8 ampdu_params_info;
1303
1304 /* 16 bytes MCS information */
1305 struct ieee80211_mcs_info mcs;
1306
1307 __le16 extended_ht_cap_info;
1308 __le32 tx_BF_cap_info;
1309 u8 antenna_selection_info;
1310 } __packed;
1311
1312 /* 802.11n HT capabilities masks (for cap_info) */
1313 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1314 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1315 #define IEEE80211_HT_CAP_SM_PS 0x000C
1316 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1317 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1318 #define IEEE80211_HT_CAP_SGI_20 0x0020
1319 #define IEEE80211_HT_CAP_SGI_40 0x0040
1320 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1321 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1322 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1323 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1324 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1325 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1326 #define IEEE80211_HT_CAP_RESERVED 0x2000
1327 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1328 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1329
1330 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1331 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1332 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1333 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1334 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1335 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1336 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1337 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1338
1339 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1340 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1341 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1342 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1343
1344 /*
1345 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1346 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1347 */
1348 enum ieee80211_max_ampdu_length_exp {
1349 IEEE80211_HT_MAX_AMPDU_8K = 0,
1350 IEEE80211_HT_MAX_AMPDU_16K = 1,
1351 IEEE80211_HT_MAX_AMPDU_32K = 2,
1352 IEEE80211_HT_MAX_AMPDU_64K = 3
1353 };
1354
1355 /*
1356 * Maximum length of AMPDU that the STA can receive in VHT.
1357 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1358 */
1359 enum ieee80211_vht_max_ampdu_length_exp {
1360 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1361 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1362 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1363 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1364 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1365 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1366 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1367 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1368 };
1369
1370 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1371
1372 /* Minimum MPDU start spacing */
1373 enum ieee80211_min_mpdu_spacing {
1374 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1375 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1376 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1377 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1378 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1379 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1380 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1381 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1382 };
1383
1384 /**
1385 * struct ieee80211_ht_operation - HT operation IE
1386 *
1387 * This structure is the "HT operation element" as
1388 * described in 802.11n-2009 7.3.2.57
1389 */
1390 struct ieee80211_ht_operation {
1391 u8 primary_chan;
1392 u8 ht_param;
1393 __le16 operation_mode;
1394 __le16 stbc_param;
1395 u8 basic_set[16];
1396 } __packed;
1397
1398 /* for ht_param */
1399 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1400 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1401 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1402 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1403 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1404 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1405
1406 /* for operation_mode */
1407 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1408 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1409 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1410 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1411 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1412 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1413 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1414 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1415 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1416
1417 /* for stbc_param */
1418 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1419 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1420 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1421 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1422 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1423 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1424
1425
1426 /* block-ack parameters */
1427 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1428 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1429 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1430 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1431 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1432 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1433
1434 /*
1435 * A-PMDU buffer sizes
1436 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1437 */
1438 #define IEEE80211_MIN_AMPDU_BUF 0x8
1439 #define IEEE80211_MAX_AMPDU_BUF 0x40
1440
1441
1442 /* Spatial Multiplexing Power Save Modes (for capability) */
1443 #define WLAN_HT_CAP_SM_PS_STATIC 0
1444 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1445 #define WLAN_HT_CAP_SM_PS_INVALID 2
1446 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1447
1448 /* for SM power control field lower two bits */
1449 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1450 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1451 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1452
1453 /**
1454 * struct ieee80211_vht_mcs_info - VHT MCS information
1455 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1456 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1457 * STA can receive. Rate expressed in units of 1 Mbps.
1458 * If this field is 0 this value should not be used to
1459 * consider the highest RX data rate supported.
1460 * The top 3 bits of this field are reserved.
1461 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1462 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1463 * STA can transmit. Rate expressed in units of 1 Mbps.
1464 * If this field is 0 this value should not be used to
1465 * consider the highest TX data rate supported.
1466 * The top 3 bits of this field are reserved.
1467 */
1468 struct ieee80211_vht_mcs_info {
1469 __le16 rx_mcs_map;
1470 __le16 rx_highest;
1471 __le16 tx_mcs_map;
1472 __le16 tx_highest;
1473 } __packed;
1474
1475 /**
1476 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1477 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1478 * number of streams
1479 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1480 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1481 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1482 *
1483 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1484 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1485 * both split into 8 subfields by number of streams. These values indicate
1486 * which MCSes are supported for the number of streams the value appears
1487 * for.
1488 */
1489 enum ieee80211_vht_mcs_support {
1490 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1491 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1492 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1493 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1494 };
1495
1496 /**
1497 * struct ieee80211_vht_cap - VHT capabilities
1498 *
1499 * This structure is the "VHT capabilities element" as
1500 * described in 802.11ac D3.0 8.4.2.160
1501 * @vht_cap_info: VHT capability info
1502 * @supp_mcs: VHT MCS supported rates
1503 */
1504 struct ieee80211_vht_cap {
1505 __le32 vht_cap_info;
1506 struct ieee80211_vht_mcs_info supp_mcs;
1507 } __packed;
1508
1509 /**
1510 * enum ieee80211_vht_chanwidth - VHT channel width
1511 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1512 * determine the channel width (20 or 40 MHz)
1513 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1514 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1515 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1516 */
1517 enum ieee80211_vht_chanwidth {
1518 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1519 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1520 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1521 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1522 };
1523
1524 /**
1525 * struct ieee80211_vht_operation - VHT operation IE
1526 *
1527 * This structure is the "VHT operation element" as
1528 * described in 802.11ac D3.0 8.4.2.161
1529 * @chan_width: Operating channel width
1530 * @center_freq_seg0_idx: center freq segment 0 index
1531 * @center_freq_seg1_idx: center freq segment 1 index
1532 * @basic_mcs_set: VHT Basic MCS rate set
1533 */
1534 struct ieee80211_vht_operation {
1535 u8 chan_width;
1536 u8 center_freq_seg0_idx;
1537 u8 center_freq_seg1_idx;
1538 __le16 basic_mcs_set;
1539 } __packed;
1540
1541
1542 /* 802.11ac VHT Capabilities */
1543 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1544 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1545 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1546 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1547 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1548 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1549 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1550 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1551 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1552 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1553 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1554 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1555 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1556 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1557 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1558 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1559 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1560 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1561 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1562 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1563 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1564 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1565 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1566 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1567 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1568 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1569 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1570 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1571 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1572 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1573 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1574 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1575 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1576 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1577 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1578
1579 /* Authentication algorithms */
1580 #define WLAN_AUTH_OPEN 0
1581 #define WLAN_AUTH_SHARED_KEY 1
1582 #define WLAN_AUTH_FT 2
1583 #define WLAN_AUTH_SAE 3
1584 #define WLAN_AUTH_FILS_SK 4
1585 #define WLAN_AUTH_FILS_SK_PFS 5
1586 #define WLAN_AUTH_FILS_PK 6
1587 #define WLAN_AUTH_LEAP 128
1588
1589 #define WLAN_AUTH_CHALLENGE_LEN 128
1590
1591 #define WLAN_CAPABILITY_ESS (1<<0)
1592 #define WLAN_CAPABILITY_IBSS (1<<1)
1593
1594 /*
1595 * A mesh STA sets the ESS and IBSS capability bits to zero.
1596 * however, this holds true for p2p probe responses (in the p2p_find
1597 * phase) as well.
1598 */
1599 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1600 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1601
1602 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1603 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1604 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1605 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1606 #define WLAN_CAPABILITY_PBCC (1<<6)
1607 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1608
1609 /* 802.11h */
1610 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1611 #define WLAN_CAPABILITY_QOS (1<<9)
1612 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1613 #define WLAN_CAPABILITY_APSD (1<<11)
1614 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1615 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1616 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1617 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1618
1619 /* DMG (60gHz) 802.11ad */
1620 /* type - bits 0..1 */
1621 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1622 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1623 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1624 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1625
1626 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1627 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1628 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1629 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1630
1631 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1632 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1633
1634 /* measurement */
1635 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1636 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1637 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1638
1639 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1640 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1641 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1642
1643 /* 802.11g ERP information element */
1644 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1645 #define WLAN_ERP_USE_PROTECTION (1<<1)
1646 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1647
1648 /* WLAN_ERP_BARKER_PREAMBLE values */
1649 enum {
1650 WLAN_ERP_PREAMBLE_SHORT = 0,
1651 WLAN_ERP_PREAMBLE_LONG = 1,
1652 };
1653
1654 /* Band ID, 802.11ad #8.4.1.45 */
1655 enum {
1656 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1657 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1658 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1659 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1660 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1661 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1662 };
1663
1664 /* Status codes */
1665 enum ieee80211_statuscode {
1666 WLAN_STATUS_SUCCESS = 0,
1667 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1668 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1669 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1670 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1671 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1672 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1673 WLAN_STATUS_CHALLENGE_FAIL = 15,
1674 WLAN_STATUS_AUTH_TIMEOUT = 16,
1675 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1676 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1677 /* 802.11b */
1678 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1679 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1680 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1681 /* 802.11h */
1682 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1683 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1684 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1685 /* 802.11g */
1686 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1687 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1688 /* 802.11w */
1689 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1690 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1691 /* 802.11i */
1692 WLAN_STATUS_INVALID_IE = 40,
1693 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1694 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1695 WLAN_STATUS_INVALID_AKMP = 43,
1696 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1697 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1698 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1699 /* 802.11e */
1700 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1701 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1702 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1703 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1704 WLAN_STATUS_REQUEST_DECLINED = 37,
1705 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1706 WLAN_STATUS_CHANGE_TSPEC = 39,
1707 WLAN_STATUS_WAIT_TS_DELAY = 47,
1708 WLAN_STATUS_NO_DIRECT_LINK = 48,
1709 WLAN_STATUS_STA_NOT_PRESENT = 49,
1710 WLAN_STATUS_STA_NOT_QSTA = 50,
1711 /* 802.11s */
1712 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1713 WLAN_STATUS_FCG_NOT_SUPP = 78,
1714 WLAN_STATUS_STA_NO_TBTT = 78,
1715 /* 802.11ad */
1716 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1717 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1718 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1719 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1720 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1721 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1722 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1723 WLAN_STATUS_REJECT_DSE_BAND = 96,
1724 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1725 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1726 /* 802.11ai */
1727 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
1728 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
1729 };
1730
1731
1732 /* Reason codes */
1733 enum ieee80211_reasoncode {
1734 WLAN_REASON_UNSPECIFIED = 1,
1735 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1736 WLAN_REASON_DEAUTH_LEAVING = 3,
1737 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1738 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1739 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1740 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1741 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1742 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1743 /* 802.11h */
1744 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1745 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1746 /* 802.11i */
1747 WLAN_REASON_INVALID_IE = 13,
1748 WLAN_REASON_MIC_FAILURE = 14,
1749 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1750 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1751 WLAN_REASON_IE_DIFFERENT = 17,
1752 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1753 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1754 WLAN_REASON_INVALID_AKMP = 20,
1755 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1756 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1757 WLAN_REASON_IEEE8021X_FAILED = 23,
1758 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1759 /* TDLS (802.11z) */
1760 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1761 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1762 /* 802.11e */
1763 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1764 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1765 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1766 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1767 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1768 WLAN_REASON_QSTA_NOT_USE = 37,
1769 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1770 WLAN_REASON_QSTA_TIMEOUT = 39,
1771 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1772 /* 802.11s */
1773 WLAN_REASON_MESH_PEER_CANCELED = 52,
1774 WLAN_REASON_MESH_MAX_PEERS = 53,
1775 WLAN_REASON_MESH_CONFIG = 54,
1776 WLAN_REASON_MESH_CLOSE = 55,
1777 WLAN_REASON_MESH_MAX_RETRIES = 56,
1778 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1779 WLAN_REASON_MESH_INVALID_GTK = 58,
1780 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1781 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1782 WLAN_REASON_MESH_PATH_ERROR = 61,
1783 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1784 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1785 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1786 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1787 WLAN_REASON_MESH_CHAN = 66,
1788 };
1789
1790
1791 /* Information Element IDs */
1792 enum ieee80211_eid {
1793 WLAN_EID_SSID = 0,
1794 WLAN_EID_SUPP_RATES = 1,
1795 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1796 WLAN_EID_DS_PARAMS = 3,
1797 WLAN_EID_CF_PARAMS = 4,
1798 WLAN_EID_TIM = 5,
1799 WLAN_EID_IBSS_PARAMS = 6,
1800 WLAN_EID_COUNTRY = 7,
1801 /* 8, 9 reserved */
1802 WLAN_EID_REQUEST = 10,
1803 WLAN_EID_QBSS_LOAD = 11,
1804 WLAN_EID_EDCA_PARAM_SET = 12,
1805 WLAN_EID_TSPEC = 13,
1806 WLAN_EID_TCLAS = 14,
1807 WLAN_EID_SCHEDULE = 15,
1808 WLAN_EID_CHALLENGE = 16,
1809 /* 17-31 reserved for challenge text extension */
1810 WLAN_EID_PWR_CONSTRAINT = 32,
1811 WLAN_EID_PWR_CAPABILITY = 33,
1812 WLAN_EID_TPC_REQUEST = 34,
1813 WLAN_EID_TPC_REPORT = 35,
1814 WLAN_EID_SUPPORTED_CHANNELS = 36,
1815 WLAN_EID_CHANNEL_SWITCH = 37,
1816 WLAN_EID_MEASURE_REQUEST = 38,
1817 WLAN_EID_MEASURE_REPORT = 39,
1818 WLAN_EID_QUIET = 40,
1819 WLAN_EID_IBSS_DFS = 41,
1820 WLAN_EID_ERP_INFO = 42,
1821 WLAN_EID_TS_DELAY = 43,
1822 WLAN_EID_TCLAS_PROCESSING = 44,
1823 WLAN_EID_HT_CAPABILITY = 45,
1824 WLAN_EID_QOS_CAPA = 46,
1825 /* 47 reserved for Broadcom */
1826 WLAN_EID_RSN = 48,
1827 WLAN_EID_802_15_COEX = 49,
1828 WLAN_EID_EXT_SUPP_RATES = 50,
1829 WLAN_EID_AP_CHAN_REPORT = 51,
1830 WLAN_EID_NEIGHBOR_REPORT = 52,
1831 WLAN_EID_RCPI = 53,
1832 WLAN_EID_MOBILITY_DOMAIN = 54,
1833 WLAN_EID_FAST_BSS_TRANSITION = 55,
1834 WLAN_EID_TIMEOUT_INTERVAL = 56,
1835 WLAN_EID_RIC_DATA = 57,
1836 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1837 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1838 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1839 WLAN_EID_HT_OPERATION = 61,
1840 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1841 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1842 WLAN_EID_ANTENNA_INFO = 64,
1843 WLAN_EID_RSNI = 65,
1844 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1845 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1846 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1847 WLAN_EID_TIME_ADVERTISEMENT = 69,
1848 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1849 WLAN_EID_MULTIPLE_BSSID = 71,
1850 WLAN_EID_BSS_COEX_2040 = 72,
1851 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1852 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1853 WLAN_EID_RIC_DESCRIPTOR = 75,
1854 WLAN_EID_MMIE = 76,
1855 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1856 WLAN_EID_EVENT_REQUEST = 78,
1857 WLAN_EID_EVENT_REPORT = 79,
1858 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1859 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1860 WLAN_EID_LOCATION_PARAMS = 82,
1861 WLAN_EID_NON_TX_BSSID_CAP = 83,
1862 WLAN_EID_SSID_LIST = 84,
1863 WLAN_EID_MULTI_BSSID_IDX = 85,
1864 WLAN_EID_FMS_DESCRIPTOR = 86,
1865 WLAN_EID_FMS_REQUEST = 87,
1866 WLAN_EID_FMS_RESPONSE = 88,
1867 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1868 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1869 WLAN_EID_TSF_REQUEST = 91,
1870 WLAN_EID_TSF_RESPOSNE = 92,
1871 WLAN_EID_WNM_SLEEP_MODE = 93,
1872 WLAN_EID_TIM_BCAST_REQ = 94,
1873 WLAN_EID_TIM_BCAST_RESP = 95,
1874 WLAN_EID_COLL_IF_REPORT = 96,
1875 WLAN_EID_CHANNEL_USAGE = 97,
1876 WLAN_EID_TIME_ZONE = 98,
1877 WLAN_EID_DMS_REQUEST = 99,
1878 WLAN_EID_DMS_RESPONSE = 100,
1879 WLAN_EID_LINK_ID = 101,
1880 WLAN_EID_WAKEUP_SCHEDUL = 102,
1881 /* 103 reserved */
1882 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1883 WLAN_EID_PTI_CONTROL = 105,
1884 WLAN_EID_PU_BUFFER_STATUS = 106,
1885 WLAN_EID_INTERWORKING = 107,
1886 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1887 WLAN_EID_EXPEDITED_BW_REQ = 109,
1888 WLAN_EID_QOS_MAP_SET = 110,
1889 WLAN_EID_ROAMING_CONSORTIUM = 111,
1890 WLAN_EID_EMERGENCY_ALERT = 112,
1891 WLAN_EID_MESH_CONFIG = 113,
1892 WLAN_EID_MESH_ID = 114,
1893 WLAN_EID_LINK_METRIC_REPORT = 115,
1894 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1895 WLAN_EID_PEER_MGMT = 117,
1896 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1897 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1898 WLAN_EID_BEACON_TIMING = 120,
1899 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1900 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1901 WLAN_EID_MCCAOP_ADVERT = 123,
1902 WLAN_EID_MCCAOP_TEARDOWN = 124,
1903 WLAN_EID_GANN = 125,
1904 WLAN_EID_RANN = 126,
1905 WLAN_EID_EXT_CAPABILITY = 127,
1906 /* 128, 129 reserved for Agere */
1907 WLAN_EID_PREQ = 130,
1908 WLAN_EID_PREP = 131,
1909 WLAN_EID_PERR = 132,
1910 /* 133-136 reserved for Cisco */
1911 WLAN_EID_PXU = 137,
1912 WLAN_EID_PXUC = 138,
1913 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1914 WLAN_EID_MIC = 140,
1915 WLAN_EID_DESTINATION_URI = 141,
1916 WLAN_EID_UAPSD_COEX = 142,
1917 WLAN_EID_WAKEUP_SCHEDULE = 143,
1918 WLAN_EID_EXT_SCHEDULE = 144,
1919 WLAN_EID_STA_AVAILABILITY = 145,
1920 WLAN_EID_DMG_TSPEC = 146,
1921 WLAN_EID_DMG_AT = 147,
1922 WLAN_EID_DMG_CAP = 148,
1923 /* 149 reserved for Cisco */
1924 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
1925 WLAN_EID_DMG_OPERATION = 151,
1926 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1927 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1928 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1929 /* 155-156 reserved for Cisco */
1930 WLAN_EID_AWAKE_WINDOW = 157,
1931 WLAN_EID_MULTI_BAND = 158,
1932 WLAN_EID_ADDBA_EXT = 159,
1933 WLAN_EID_NEXT_PCP_LIST = 160,
1934 WLAN_EID_PCP_HANDOVER = 161,
1935 WLAN_EID_DMG_LINK_MARGIN = 162,
1936 WLAN_EID_SWITCHING_STREAM = 163,
1937 WLAN_EID_SESSION_TRANSITION = 164,
1938 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1939 WLAN_EID_CLUSTER_REPORT = 166,
1940 WLAN_EID_RELAY_CAP = 167,
1941 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1942 WLAN_EID_BEAM_LINK_MAINT = 169,
1943 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1944 WLAN_EID_U_PID = 171,
1945 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1946 /* 173 reserved for Symbol */
1947 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1948 WLAN_EID_QUIET_PERIOD_REQ = 175,
1949 /* 176 reserved for Symbol */
1950 WLAN_EID_QUIET_PERIOD_RESP = 177,
1951 /* 178-179 reserved for Symbol */
1952 /* 180 reserved for ISO/IEC 20011 */
1953 WLAN_EID_EPAC_POLICY = 182,
1954 WLAN_EID_CLISTER_TIME_OFF = 183,
1955 WLAN_EID_INTER_AC_PRIO = 184,
1956 WLAN_EID_SCS_DESCRIPTOR = 185,
1957 WLAN_EID_QLOAD_REPORT = 186,
1958 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1959 WLAN_EID_HL_STREAM_ID = 188,
1960 WLAN_EID_GCR_GROUP_ADDR = 189,
1961 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1962 WLAN_EID_VHT_CAPABILITY = 191,
1963 WLAN_EID_VHT_OPERATION = 192,
1964 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1965 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1966 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1967 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1968 WLAN_EID_AID = 197,
1969 WLAN_EID_QUIET_CHANNEL = 198,
1970 WLAN_EID_OPMODE_NOTIF = 199,
1971
1972 WLAN_EID_VENDOR_SPECIFIC = 221,
1973 WLAN_EID_QOS_PARAMETER = 222,
1974 WLAN_EID_CAG_NUMBER = 237,
1975 WLAN_EID_AP_CSN = 239,
1976 WLAN_EID_FILS_INDICATION = 240,
1977 WLAN_EID_DILS = 241,
1978 WLAN_EID_FRAGMENT = 242,
1979 WLAN_EID_EXTENSION = 255
1980 };
1981
1982 /* Element ID Extensions for Element ID 255 */
1983 enum ieee80211_eid_ext {
1984 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
1985 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
1986 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
1987 WLAN_EID_EXT_FILS_SESSION = 4,
1988 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
1989 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
1990 WLAN_EID_EXT_KEY_DELIVERY = 7,
1991 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
1992 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
1993 WLAN_EID_EXT_FILS_NONCE = 13,
1994 };
1995
1996 /* Action category code */
1997 enum ieee80211_category {
1998 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1999 WLAN_CATEGORY_QOS = 1,
2000 WLAN_CATEGORY_DLS = 2,
2001 WLAN_CATEGORY_BACK = 3,
2002 WLAN_CATEGORY_PUBLIC = 4,
2003 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2004 WLAN_CATEGORY_HT = 7,
2005 WLAN_CATEGORY_SA_QUERY = 8,
2006 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2007 WLAN_CATEGORY_WNM = 10,
2008 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2009 WLAN_CATEGORY_TDLS = 12,
2010 WLAN_CATEGORY_MESH_ACTION = 13,
2011 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2012 WLAN_CATEGORY_SELF_PROTECTED = 15,
2013 WLAN_CATEGORY_DMG = 16,
2014 WLAN_CATEGORY_WMM = 17,
2015 WLAN_CATEGORY_FST = 18,
2016 WLAN_CATEGORY_UNPROT_DMG = 20,
2017 WLAN_CATEGORY_VHT = 21,
2018 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2019 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2020 };
2021
2022 /* SPECTRUM_MGMT action code */
2023 enum ieee80211_spectrum_mgmt_actioncode {
2024 WLAN_ACTION_SPCT_MSR_REQ = 0,
2025 WLAN_ACTION_SPCT_MSR_RPRT = 1,
2026 WLAN_ACTION_SPCT_TPC_REQ = 2,
2027 WLAN_ACTION_SPCT_TPC_RPRT = 3,
2028 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2029 };
2030
2031 /* HT action codes */
2032 enum ieee80211_ht_actioncode {
2033 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2034 WLAN_HT_ACTION_SMPS = 1,
2035 WLAN_HT_ACTION_PSMP = 2,
2036 WLAN_HT_ACTION_PCO_PHASE = 3,
2037 WLAN_HT_ACTION_CSI = 4,
2038 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2039 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2040 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2041 };
2042
2043 /* VHT action codes */
2044 enum ieee80211_vht_actioncode {
2045 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2046 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2047 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2048 };
2049
2050 /* Self Protected Action codes */
2051 enum ieee80211_self_protected_actioncode {
2052 WLAN_SP_RESERVED = 0,
2053 WLAN_SP_MESH_PEERING_OPEN = 1,
2054 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2055 WLAN_SP_MESH_PEERING_CLOSE = 3,
2056 WLAN_SP_MGK_INFORM = 4,
2057 WLAN_SP_MGK_ACK = 5,
2058 };
2059
2060 /* Mesh action codes */
2061 enum ieee80211_mesh_actioncode {
2062 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2063 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2064 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2065 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2066 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2067 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2068 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2069 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2070 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2071 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2072 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2073 };
2074
2075 /* Security key length */
2076 enum ieee80211_key_len {
2077 WLAN_KEY_LEN_WEP40 = 5,
2078 WLAN_KEY_LEN_WEP104 = 13,
2079 WLAN_KEY_LEN_CCMP = 16,
2080 WLAN_KEY_LEN_CCMP_256 = 32,
2081 WLAN_KEY_LEN_TKIP = 32,
2082 WLAN_KEY_LEN_AES_CMAC = 16,
2083 WLAN_KEY_LEN_SMS4 = 32,
2084 WLAN_KEY_LEN_GCMP = 16,
2085 WLAN_KEY_LEN_GCMP_256 = 32,
2086 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2087 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2088 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2089 };
2090
2091 #define IEEE80211_WEP_IV_LEN 4
2092 #define IEEE80211_WEP_ICV_LEN 4
2093 #define IEEE80211_CCMP_HDR_LEN 8
2094 #define IEEE80211_CCMP_MIC_LEN 8
2095 #define IEEE80211_CCMP_PN_LEN 6
2096 #define IEEE80211_CCMP_256_HDR_LEN 8
2097 #define IEEE80211_CCMP_256_MIC_LEN 16
2098 #define IEEE80211_CCMP_256_PN_LEN 6
2099 #define IEEE80211_TKIP_IV_LEN 8
2100 #define IEEE80211_TKIP_ICV_LEN 4
2101 #define IEEE80211_CMAC_PN_LEN 6
2102 #define IEEE80211_GMAC_PN_LEN 6
2103 #define IEEE80211_GCMP_HDR_LEN 8
2104 #define IEEE80211_GCMP_MIC_LEN 16
2105 #define IEEE80211_GCMP_PN_LEN 6
2106
2107 #define FILS_NONCE_LEN 16
2108 #define FILS_MAX_KEK_LEN 64
2109
2110 #define FILS_ERP_MAX_USERNAME_LEN 16
2111 #define FILS_ERP_MAX_REALM_LEN 253
2112 #define FILS_ERP_MAX_RRK_LEN 64
2113
2114 #define PMK_MAX_LEN 48
2115
2116 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2117 enum ieee80211_pub_actioncode {
2118 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2119 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2120 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2121 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2122 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2123 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2124 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2125 WLAN_PUB_ACTION_MSMT_PILOT = 7,
2126 WLAN_PUB_ACTION_DSE_PC = 8,
2127 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2128 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2129 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2130 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2131 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2132 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2133 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2134 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2135 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2136 WLAN_PUB_ACTION_QMF_POLICY = 18,
2137 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2138 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2139 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2140 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2141 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2142 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2143 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2144 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2145 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2146 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2147 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2148 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2149 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2150 WLAN_PUB_ACTION_FTM_REQUEST = 32,
2151 WLAN_PUB_ACTION_FTM = 33,
2152 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2153 };
2154
2155 /* TDLS action codes */
2156 enum ieee80211_tdls_actioncode {
2157 WLAN_TDLS_SETUP_REQUEST = 0,
2158 WLAN_TDLS_SETUP_RESPONSE = 1,
2159 WLAN_TDLS_SETUP_CONFIRM = 2,
2160 WLAN_TDLS_TEARDOWN = 3,
2161 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2162 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2163 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2164 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2165 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2166 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2167 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2168 };
2169
2170 /* Extended Channel Switching capability to be set in the 1st byte of
2171 * the @WLAN_EID_EXT_CAPABILITY information element
2172 */
2173 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2174
2175 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2176 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2177 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2178 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2179
2180 /* Interworking capabilities are set in 7th bit of 4th byte of the
2181 * @WLAN_EID_EXT_CAPABILITY information element
2182 */
2183 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2184
2185 /*
2186 * TDLS capabililites to be enabled in the 5th byte of the
2187 * @WLAN_EID_EXT_CAPABILITY information element
2188 */
2189 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2190 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2191 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
2192
2193 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
2194 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2195
2196 /* Defines the maximal number of MSDUs in an A-MSDU. */
2197 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2198 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2199
2200 /*
2201 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2202 * information element
2203 */
2204 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2205
2206 /* TDLS specific payload type in the LLC/SNAP header */
2207 #define WLAN_TDLS_SNAP_RFTYPE 0x2
2208
2209 /* BSS Coex IE information field bits */
2210 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2211
2212 /**
2213 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2214 *
2215 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2216 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2217 * that will be specified in a vendor specific information element
2218 */
2219 enum ieee80211_mesh_sync_method {
2220 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2221 IEEE80211_SYNC_METHOD_VENDOR = 255,
2222 };
2223
2224 /**
2225 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2226 *
2227 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2228 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2229 * be specified in a vendor specific information element
2230 */
2231 enum ieee80211_mesh_path_protocol {
2232 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2233 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2234 };
2235
2236 /**
2237 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2238 *
2239 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2240 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2241 * specified in a vendor specific information element
2242 */
2243 enum ieee80211_mesh_path_metric {
2244 IEEE80211_PATH_METRIC_AIRTIME = 1,
2245 IEEE80211_PATH_METRIC_VENDOR = 255,
2246 };
2247
2248 /**
2249 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2250 *
2251 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2252 *
2253 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2254 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2255 * this value
2256 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2257 * the proactive PREQ with proactive PREP subfield set to 0
2258 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2259 * supports the proactive PREQ with proactive PREP subfield set to 1
2260 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2261 * the proactive RANN
2262 */
2263 enum ieee80211_root_mode_identifier {
2264 IEEE80211_ROOTMODE_NO_ROOT = 0,
2265 IEEE80211_ROOTMODE_ROOT = 1,
2266 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2267 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2268 IEEE80211_PROACTIVE_RANN = 4,
2269 };
2270
2271 /*
2272 * IEEE 802.11-2007 7.3.2.9 Country information element
2273 *
2274 * Minimum length is 8 octets, ie len must be evenly
2275 * divisible by 2
2276 */
2277
2278 /* Although the spec says 8 I'm seeing 6 in practice */
2279 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2280
2281 /* The Country String field of the element shall be 3 octets in length */
2282 #define IEEE80211_COUNTRY_STRING_LEN 3
2283
2284 /*
2285 * For regulatory extension stuff see IEEE 802.11-2007
2286 * Annex I (page 1141) and Annex J (page 1147). Also
2287 * review 7.3.2.9.
2288 *
2289 * When dot11RegulatoryClassesRequired is true and the
2290 * first_channel/reg_extension_id is >= 201 then the IE
2291 * compromises of the 'ext' struct represented below:
2292 *
2293 * - Regulatory extension ID - when generating IE this just needs
2294 * to be monotonically increasing for each triplet passed in
2295 * the IE
2296 * - Regulatory class - index into set of rules
2297 * - Coverage class - index into air propagation time (Table 7-27),
2298 * in microseconds, you can compute the air propagation time from
2299 * the index by multiplying by 3, so index 10 yields a propagation
2300 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2301 * yet. A value of 0 inicates air propagation of <= 1 us.
2302 *
2303 * See also Table I.2 for Emission limit sets and table
2304 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2305 * a reg_class to an emission limit set and behavior limit set.
2306 */
2307 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2308
2309 /*
2310 * Channels numbers in the IE must be monotonically increasing
2311 * if dot11RegulatoryClassesRequired is not true.
2312 *
2313 * If dot11RegulatoryClassesRequired is true consecutive
2314 * subband triplets following a regulatory triplet shall
2315 * have monotonically increasing first_channel number fields.
2316 *
2317 * Channel numbers shall not overlap.
2318 *
2319 * Note that max_power is signed.
2320 */
2321 struct ieee80211_country_ie_triplet {
2322 union {
2323 struct {
2324 u8 first_channel;
2325 u8 num_channels;
2326 s8 max_power;
2327 } __packed chans;
2328 struct {
2329 u8 reg_extension_id;
2330 u8 reg_class;
2331 u8 coverage_class;
2332 } __packed ext;
2333 };
2334 } __packed;
2335
2336 enum ieee80211_timeout_interval_type {
2337 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2338 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2339 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2340 };
2341
2342 /**
2343 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2344 * @type: type, see &enum ieee80211_timeout_interval_type
2345 * @value: timeout interval value
2346 */
2347 struct ieee80211_timeout_interval_ie {
2348 u8 type;
2349 __le32 value;
2350 } __packed;
2351
2352 /**
2353 * enum ieee80211_idle_options - BSS idle options
2354 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2355 * protected frame to the AP to reset the idle timer at the AP for
2356 * the station.
2357 */
2358 enum ieee80211_idle_options {
2359 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2360 };
2361
2362 /**
2363 * struct ieee80211_bss_max_idle_period_ie
2364 *
2365 * This structure refers to "BSS Max idle period element"
2366 *
2367 * @max_idle_period: indicates the time period during which a station can
2368 * refrain from transmitting frames to its associated AP without being
2369 * disassociated. In units of 1000 TUs.
2370 * @idle_options: indicates the options associated with the BSS idle capability
2371 * as specified in &enum ieee80211_idle_options.
2372 */
2373 struct ieee80211_bss_max_idle_period_ie {
2374 __le16 max_idle_period;
2375 u8 idle_options;
2376 } __packed;
2377
2378 /* BACK action code */
2379 enum ieee80211_back_actioncode {
2380 WLAN_ACTION_ADDBA_REQ = 0,
2381 WLAN_ACTION_ADDBA_RESP = 1,
2382 WLAN_ACTION_DELBA = 2,
2383 };
2384
2385 /* BACK (block-ack) parties */
2386 enum ieee80211_back_parties {
2387 WLAN_BACK_RECIPIENT = 0,
2388 WLAN_BACK_INITIATOR = 1,
2389 };
2390
2391 /* SA Query action */
2392 enum ieee80211_sa_query_action {
2393 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2394 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2395 };
2396
2397
2398 #define SUITE(oui, id) (((oui) << 8) | (id))
2399
2400 /* cipher suite selectors */
2401 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
2402 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
2403 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
2404 /* reserved: SUITE(0x000FAC, 3) */
2405 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
2406 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
2407 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
2408 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
2409 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
2410 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
2411 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
2412 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
2413 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
2414
2415 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
2416
2417 /* AKM suite selectors */
2418 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
2419 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
2420 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
2421 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
2422 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
2423 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
2424 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
2425 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
2426 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
2427 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
2428 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
2429 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
2430 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
2431 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
2432 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
2433
2434 #define WLAN_MAX_KEY_LEN 32
2435
2436 #define WLAN_PMK_NAME_LEN 16
2437 #define WLAN_PMKID_LEN 16
2438 #define WLAN_PMK_LEN_EAP_LEAP 16
2439 #define WLAN_PMK_LEN 32
2440 #define WLAN_PMK_LEN_SUITE_B_192 48
2441
2442 #define WLAN_OUI_WFA 0x506f9a
2443 #define WLAN_OUI_TYPE_WFA_P2P 9
2444 #define WLAN_OUI_MICROSOFT 0x0050f2
2445 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2446 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2447 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2448
2449 /*
2450 * WMM/802.11e Tspec Element
2451 */
2452 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2453 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2454
2455 enum ieee80211_tspec_status_code {
2456 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2457 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2458 };
2459
2460 struct ieee80211_tspec_ie {
2461 u8 element_id;
2462 u8 len;
2463 u8 oui[3];
2464 u8 oui_type;
2465 u8 oui_subtype;
2466 u8 version;
2467 __le16 tsinfo;
2468 u8 tsinfo_resvd;
2469 __le16 nominal_msdu;
2470 __le16 max_msdu;
2471 __le32 min_service_int;
2472 __le32 max_service_int;
2473 __le32 inactivity_int;
2474 __le32 suspension_int;
2475 __le32 service_start_time;
2476 __le32 min_data_rate;
2477 __le32 mean_data_rate;
2478 __le32 peak_data_rate;
2479 __le32 max_burst_size;
2480 __le32 delay_bound;
2481 __le32 min_phy_rate;
2482 __le16 sba;
2483 __le16 medium_time;
2484 } __packed;
2485
2486 /**
2487 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2488 * @hdr: the frame
2489 *
2490 * The qos ctrl bytes come after the frame_control, duration, seq_num
2491 * and 3 or 4 addresses of length ETH_ALEN.
2492 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2493 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2494 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)2495 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2496 {
2497 if (ieee80211_has_a4(hdr->frame_control))
2498 return (u8 *)hdr + 30;
2499 else
2500 return (u8 *)hdr + 24;
2501 }
2502
2503 /**
2504 * ieee80211_get_SA - get pointer to SA
2505 * @hdr: the frame
2506 *
2507 * Given an 802.11 frame, this function returns the offset
2508 * to the source address (SA). It does not verify that the
2509 * header is long enough to contain the address, and the
2510 * header must be long enough to contain the frame control
2511 * field.
2512 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)2513 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2514 {
2515 if (ieee80211_has_a4(hdr->frame_control))
2516 return hdr->addr4;
2517 if (ieee80211_has_fromds(hdr->frame_control))
2518 return hdr->addr3;
2519 return hdr->addr2;
2520 }
2521
2522 /**
2523 * ieee80211_get_DA - get pointer to DA
2524 * @hdr: the frame
2525 *
2526 * Given an 802.11 frame, this function returns the offset
2527 * to the destination address (DA). It does not verify that
2528 * the header is long enough to contain the address, and the
2529 * header must be long enough to contain the frame control
2530 * field.
2531 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)2532 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2533 {
2534 if (ieee80211_has_tods(hdr->frame_control))
2535 return hdr->addr3;
2536 else
2537 return hdr->addr1;
2538 }
2539
2540 /**
2541 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2542 * @hdr: the frame (buffer must include at least the first octet of payload)
2543 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)2544 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2545 {
2546 if (ieee80211_is_disassoc(hdr->frame_control) ||
2547 ieee80211_is_deauth(hdr->frame_control))
2548 return true;
2549
2550 if (ieee80211_is_action(hdr->frame_control)) {
2551 u8 *category;
2552
2553 /*
2554 * Action frames, excluding Public Action frames, are Robust
2555 * Management Frames. However, if we are looking at a Protected
2556 * frame, skip the check since the data may be encrypted and
2557 * the frame has already been found to be a Robust Management
2558 * Frame (by the other end).
2559 */
2560 if (ieee80211_has_protected(hdr->frame_control))
2561 return true;
2562 category = ((u8 *) hdr) + 24;
2563 return *category != WLAN_CATEGORY_PUBLIC &&
2564 *category != WLAN_CATEGORY_HT &&
2565 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2566 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2567 *category != WLAN_CATEGORY_UNPROT_DMG &&
2568 *category != WLAN_CATEGORY_VHT &&
2569 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2570 }
2571
2572 return false;
2573 }
2574
2575 /**
2576 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2577 * @skb: the skb containing the frame, length will be checked
2578 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)2579 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2580 {
2581 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2582 return false;
2583 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2584 }
2585
2586 /**
2587 * ieee80211_is_public_action - check if frame is a public action frame
2588 * @hdr: the frame
2589 * @len: length of the frame
2590 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)2591 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2592 size_t len)
2593 {
2594 struct ieee80211_mgmt *mgmt = (void *)hdr;
2595
2596 if (len < IEEE80211_MIN_ACTION_SIZE)
2597 return false;
2598 if (!ieee80211_is_action(hdr->frame_control))
2599 return false;
2600 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2601 }
2602
2603 /**
2604 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2605 * privacy action frame
2606 * @hdr: the frame
2607 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)2608 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2609 {
2610 struct ieee80211_mgmt *mgmt = (void *)hdr;
2611
2612 if (!ieee80211_is_action(hdr->frame_control) ||
2613 !is_multicast_ether_addr(hdr->addr1))
2614 return false;
2615
2616 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2617 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2618 }
2619
2620 /**
2621 * ieee80211_is_group_privacy_action - check if frame is a group addressed
2622 * privacy action frame
2623 * @skb: the skb containing the frame, length will be checked
2624 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)2625 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2626 {
2627 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2628 return false;
2629 return _ieee80211_is_group_privacy_action((void *)skb->data);
2630 }
2631
2632 /**
2633 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2634 * @tu: the TUs
2635 */
ieee80211_tu_to_usec(unsigned long tu)2636 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2637 {
2638 return 1024 * tu;
2639 }
2640
2641 /**
2642 * ieee80211_check_tim - check if AID bit is set in TIM
2643 * @tim: the TIM IE
2644 * @tim_len: length of the TIM IE
2645 * @aid: the AID to look for
2646 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)2647 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2648 u8 tim_len, u16 aid)
2649 {
2650 u8 mask;
2651 u8 index, indexn1, indexn2;
2652
2653 if (unlikely(!tim || tim_len < sizeof(*tim)))
2654 return false;
2655
2656 aid &= 0x3fff;
2657 index = aid / 8;
2658 mask = 1 << (aid & 7);
2659
2660 indexn1 = tim->bitmap_ctrl & 0xfe;
2661 indexn2 = tim_len + indexn1 - 4;
2662
2663 if (index < indexn1 || index > indexn2)
2664 return false;
2665
2666 index -= indexn1;
2667
2668 return !!(tim->virtual_map[index] & mask);
2669 }
2670
2671 /**
2672 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2673 * @skb: the skb containing the frame, length will not be checked
2674 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2675 *
2676 * This function assumes the frame is a data frame, and that the network header
2677 * is in the correct place.
2678 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)2679 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2680 {
2681 if (!skb_is_nonlinear(skb) &&
2682 skb->len > (skb_network_offset(skb) + 2)) {
2683 /* Point to where the indication of TDLS should start */
2684 const u8 *tdls_data = skb_network_header(skb) - 2;
2685
2686 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2687 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2688 tdls_data[3] == WLAN_CATEGORY_TDLS)
2689 return tdls_data[4];
2690 }
2691
2692 return -1;
2693 }
2694
2695 /* convert time units */
2696 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2697 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2698
2699 /**
2700 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2701 * @skb: the skb containing the frame, length will be checked
2702 *
2703 * This function checks if it's either TPC report action frame or Link
2704 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2705 * and 8.5.7.5 accordingly.
2706 */
ieee80211_action_contains_tpc(struct sk_buff * skb)2707 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2708 {
2709 struct ieee80211_mgmt *mgmt = (void *)skb->data;
2710
2711 if (!ieee80211_is_action(mgmt->frame_control))
2712 return false;
2713
2714 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2715 sizeof(mgmt->u.action.u.tpc_report))
2716 return false;
2717
2718 /*
2719 * TPC report - check that:
2720 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2721 * spectrum management action = 3 (TPC/Link Measurement report)
2722 * TPC report EID = 35
2723 * TPC report element length = 2
2724 *
2725 * The spectrum management's tpc_report struct is used here both for
2726 * parsing tpc_report and radio measurement's link measurement report
2727 * frame, since the relevant part is identical in both frames.
2728 */
2729 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2730 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2731 return false;
2732
2733 /* both spectrum mgmt and link measurement have same action code */
2734 if (mgmt->u.action.u.tpc_report.action_code !=
2735 WLAN_ACTION_SPCT_TPC_RPRT)
2736 return false;
2737
2738 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2739 mgmt->u.action.u.tpc_report.tpc_elem_length !=
2740 sizeof(struct ieee80211_tpc_report_ie))
2741 return false;
2742
2743 return true;
2744 }
2745
2746 struct element {
2747 u8 id;
2748 u8 datalen;
2749 u8 data[];
2750 } __packed;
2751
2752 /* element iteration helpers */
2753 #define for_each_element(_elem, _data, _datalen) \
2754 for (_elem = (const struct element *)(_data); \
2755 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
2756 (int)sizeof(*_elem) && \
2757 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
2758 (int)sizeof(*_elem) + _elem->datalen; \
2759 _elem = (const struct element *)(_elem->data + _elem->datalen))
2760
2761 #define for_each_element_id(element, _id, data, datalen) \
2762 for_each_element(element, data, datalen) \
2763 if (element->id == (_id))
2764
2765 #define for_each_element_extid(element, extid, data, datalen) \
2766 for_each_element(element, data, datalen) \
2767 if (element->id == WLAN_EID_EXTENSION && \
2768 element->datalen > 0 && \
2769 element->data[0] == (extid))
2770
2771 #define for_each_subelement(sub, element) \
2772 for_each_element(sub, (element)->data, (element)->datalen)
2773
2774 #define for_each_subelement_id(sub, id, element) \
2775 for_each_element_id(sub, id, (element)->data, (element)->datalen)
2776
2777 #define for_each_subelement_extid(sub, extid, element) \
2778 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
2779
2780 /**
2781 * for_each_element_completed - determine if element parsing consumed all data
2782 * @element: element pointer after for_each_element() or friends
2783 * @data: same data pointer as passed to for_each_element() or friends
2784 * @datalen: same data length as passed to for_each_element() or friends
2785 *
2786 * This function returns %true if all the data was parsed or considered
2787 * while walking the elements. Only use this if your for_each_element()
2788 * loop cannot be broken out of, otherwise it always returns %false.
2789 *
2790 * If some data was malformed, this returns %false since the last parsed
2791 * element will not fill the whole remaining data.
2792 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)2793 static inline bool for_each_element_completed(const struct element *element,
2794 const void *data, size_t datalen)
2795 {
2796 return (const u8 *)element == (const u8 *)data + datalen;
2797 }
2798
2799 #endif /* LINUX_IEEE80211_H */
2800