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

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