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TOMOYO Linux Cross Reference
Linux/include/linux/ieee80211.h

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  1 /*
  2  * IEEE 802.11 defines
  3  *
  4  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
  5  * <jkmaline@cc.hut.fi>
  6  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
  7  * Copyright (c) 2005, Devicescape Software, Inc.
  8  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
  9  * 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 
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 
131 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
132 {
133         return (sn1 + sn2) & IEEE80211_SN_MASK;
134 }
135 
136 static inline u16 ieee80211_sn_inc(u16 sn)
137 {
138         return ieee80211_sn_add(sn, 1);
139 }
140 
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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  */
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 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
2449 
2450 /*
2451  * WMM/802.11e Tspec Element
2452  */
2453 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
2454 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
2455 
2456 enum ieee80211_tspec_status_code {
2457         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2458         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2459 };
2460 
2461 struct ieee80211_tspec_ie {
2462         u8 element_id;
2463         u8 len;
2464         u8 oui[3];
2465         u8 oui_type;
2466         u8 oui_subtype;
2467         u8 version;
2468         __le16 tsinfo;
2469         u8 tsinfo_resvd;
2470         __le16 nominal_msdu;
2471         __le16 max_msdu;
2472         __le32 min_service_int;
2473         __le32 max_service_int;
2474         __le32 inactivity_int;
2475         __le32 suspension_int;
2476         __le32 service_start_time;
2477         __le32 min_data_rate;
2478         __le32 mean_data_rate;
2479         __le32 peak_data_rate;
2480         __le32 max_burst_size;
2481         __le32 delay_bound;
2482         __le32 min_phy_rate;
2483         __le16 sba;
2484         __le16 medium_time;
2485 } __packed;
2486 
2487 /**
2488  * ieee80211_get_qos_ctl - get pointer to qos control bytes
2489  * @hdr: the frame
2490  *
2491  * The qos ctrl bytes come after the frame_control, duration, seq_num
2492  * and 3 or 4 addresses of length ETH_ALEN.
2493  * 3 addr: 2 + 2 + 2 + 3*6 = 24
2494  * 4 addr: 2 + 2 + 2 + 4*6 = 30
2495  */
2496 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2497 {
2498         if (ieee80211_has_a4(hdr->frame_control))
2499                 return (u8 *)hdr + 30;
2500         else
2501                 return (u8 *)hdr + 24;
2502 }
2503 
2504 /**
2505  * ieee80211_get_SA - get pointer to SA
2506  * @hdr: the frame
2507  *
2508  * Given an 802.11 frame, this function returns the offset
2509  * to the source address (SA). It does not verify that the
2510  * header is long enough to contain the address, and the
2511  * header must be long enough to contain the frame control
2512  * field.
2513  */
2514 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2515 {
2516         if (ieee80211_has_a4(hdr->frame_control))
2517                 return hdr->addr4;
2518         if (ieee80211_has_fromds(hdr->frame_control))
2519                 return hdr->addr3;
2520         return hdr->addr2;
2521 }
2522 
2523 /**
2524  * ieee80211_get_DA - get pointer to DA
2525  * @hdr: the frame
2526  *
2527  * Given an 802.11 frame, this function returns the offset
2528  * to the destination address (DA). It does not verify that
2529  * the header is long enough to contain the address, and the
2530  * header must be long enough to contain the frame control
2531  * field.
2532  */
2533 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2534 {
2535         if (ieee80211_has_tods(hdr->frame_control))
2536                 return hdr->addr3;
2537         else
2538                 return hdr->addr1;
2539 }
2540 
2541 /**
2542  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2543  * @hdr: the frame (buffer must include at least the first octet of payload)
2544  */
2545 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2546 {
2547         if (ieee80211_is_disassoc(hdr->frame_control) ||
2548             ieee80211_is_deauth(hdr->frame_control))
2549                 return true;
2550 
2551         if (ieee80211_is_action(hdr->frame_control)) {
2552                 u8 *category;
2553 
2554                 /*
2555                  * Action frames, excluding Public Action frames, are Robust
2556                  * Management Frames. However, if we are looking at a Protected
2557                  * frame, skip the check since the data may be encrypted and
2558                  * the frame has already been found to be a Robust Management
2559                  * Frame (by the other end).
2560                  */
2561                 if (ieee80211_has_protected(hdr->frame_control))
2562                         return true;
2563                 category = ((u8 *) hdr) + 24;
2564                 return *category != WLAN_CATEGORY_PUBLIC &&
2565                         *category != WLAN_CATEGORY_HT &&
2566                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
2567                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
2568                         *category != WLAN_CATEGORY_UNPROT_DMG &&
2569                         *category != WLAN_CATEGORY_VHT &&
2570                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2571         }
2572 
2573         return false;
2574 }
2575 
2576 /**
2577  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2578  * @skb: the skb containing the frame, length will be checked
2579  */
2580 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2581 {
2582         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2583                 return false;
2584         return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2585 }
2586 
2587 /**
2588  * ieee80211_is_public_action - check if frame is a public action frame
2589  * @hdr: the frame
2590  * @len: length of the frame
2591  */
2592 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2593                                               size_t len)
2594 {
2595         struct ieee80211_mgmt *mgmt = (void *)hdr;
2596 
2597         if (len < IEEE80211_MIN_ACTION_SIZE)
2598                 return false;
2599         if (!ieee80211_is_action(hdr->frame_control))
2600                 return false;
2601         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2602 }
2603 
2604 /**
2605  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
2606  * privacy action frame
2607  * @hdr: the frame
2608  */
2609 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
2610 {
2611         struct ieee80211_mgmt *mgmt = (void *)hdr;
2612 
2613         if (!ieee80211_is_action(hdr->frame_control) ||
2614             !is_multicast_ether_addr(hdr->addr1))
2615                 return false;
2616 
2617         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
2618                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
2619 }
2620 
2621 /**
2622  * ieee80211_is_group_privacy_action - check if frame is a group addressed
2623  * privacy action frame
2624  * @skb: the skb containing the frame, length will be checked
2625  */
2626 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
2627 {
2628         if (skb->len < IEEE80211_MIN_ACTION_SIZE)
2629                 return false;
2630         return _ieee80211_is_group_privacy_action((void *)skb->data);
2631 }
2632 
2633 /**
2634  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2635  * @tu: the TUs
2636  */
2637 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2638 {
2639         return 1024 * tu;
2640 }
2641 
2642 /**
2643  * ieee80211_check_tim - check if AID bit is set in TIM
2644  * @tim: the TIM IE
2645  * @tim_len: length of the TIM IE
2646  * @aid: the AID to look for
2647  */
2648 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2649                                        u8 tim_len, u16 aid)
2650 {
2651         u8 mask;
2652         u8 index, indexn1, indexn2;
2653 
2654         if (unlikely(!tim || tim_len < sizeof(*tim)))
2655                 return false;
2656 
2657         aid &= 0x3fff;
2658         index = aid / 8;
2659         mask  = 1 << (aid & 7);
2660 
2661         indexn1 = tim->bitmap_ctrl & 0xfe;
2662         indexn2 = tim_len + indexn1 - 4;
2663 
2664         if (index < indexn1 || index > indexn2)
2665                 return false;
2666 
2667         index -= indexn1;
2668 
2669         return !!(tim->virtual_map[index] & mask);
2670 }
2671 
2672 /**
2673  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2674  * @skb: the skb containing the frame, length will not be checked
2675  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2676  *
2677  * This function assumes the frame is a data frame, and that the network header
2678  * is in the correct place.
2679  */
2680 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2681 {
2682         if (!skb_is_nonlinear(skb) &&
2683             skb->len > (skb_network_offset(skb) + 2)) {
2684                 /* Point to where the indication of TDLS should start */
2685                 const u8 *tdls_data = skb_network_header(skb) - 2;
2686 
2687                 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2688                     tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2689                     tdls_data[3] == WLAN_CATEGORY_TDLS)
2690                         return tdls_data[4];
2691         }
2692 
2693         return -1;
2694 }
2695 
2696 /* convert time units */
2697 #define TU_TO_JIFFIES(x)        (usecs_to_jiffies((x) * 1024))
2698 #define TU_TO_EXP_TIME(x)       (jiffies + TU_TO_JIFFIES(x))
2699 
2700 /**
2701  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2702  * @skb: the skb containing the frame, length will be checked
2703  *
2704  * This function checks if it's either TPC report action frame or Link
2705  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2706  * and 8.5.7.5 accordingly.
2707  */
2708 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2709 {
2710         struct ieee80211_mgmt *mgmt = (void *)skb->data;
2711 
2712         if (!ieee80211_is_action(mgmt->frame_control))
2713                 return false;
2714 
2715         if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2716                        sizeof(mgmt->u.action.u.tpc_report))
2717                 return false;
2718 
2719         /*
2720          * TPC report - check that:
2721          * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2722          * spectrum management action = 3 (TPC/Link Measurement report)
2723          * TPC report EID = 35
2724          * TPC report element length = 2
2725          *
2726          * The spectrum management's tpc_report struct is used here both for
2727          * parsing tpc_report and radio measurement's link measurement report
2728          * frame, since the relevant part is identical in both frames.
2729          */
2730         if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2731             mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2732                 return false;
2733 
2734         /* both spectrum mgmt and link measurement have same action code */
2735         if (mgmt->u.action.u.tpc_report.action_code !=
2736             WLAN_ACTION_SPCT_TPC_RPRT)
2737                 return false;
2738 
2739         if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2740             mgmt->u.action.u.tpc_report.tpc_elem_length !=
2741             sizeof(struct ieee80211_tpc_report_ie))
2742                 return false;
2743 
2744         return true;
2745 }
2746 
2747 #endif /* LINUX_IEEE80211_H */
2748 

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