ca9507d5c2dca0fe34a207755115bf1185de4c3c
[carl9170fw.git] / include / linux / ieee80211.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * IEEE 802.11 defines
4  *
5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6  * <jkmaline@cc.hut.fi>
7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8  * Copyright (c) 2005, Devicescape Software, Inc.
9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12  * Copyright (c) 2018 - 2019 Intel Corporation
13  */
14
15 #ifndef __LINUX_IEEE80211_H
16 #define __LINUX_IEEE80211_H
17
18 /*
19  * DS bit usage
20  *
21  * TA = transmitter address
22  * RA = receiver address
23  * DA = destination address
24  * SA = source address
25  *
26  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
27  * -----------------------------------------------------------------
28  *  0       0       DA      SA      BSSID   -       IBSS/DLS
29  *  0       1       DA      BSSID   SA      -       AP -> STA
30  *  1       0       BSSID   SA      DA      -       AP <- STA
31  *  1       1       RA      TA      DA      SA      unspecified (WDS)
32  */
33
34 #define FCS_LEN 4
35
36 #define IEEE80211_FCTL_VERS             0x0003
37 #define IEEE80211_FCTL_FTYPE            0x000c
38 #define IEEE80211_FCTL_STYPE            0x00f0
39 #define IEEE80211_FCTL_TODS             0x0100
40 #define IEEE80211_FCTL_FROMDS           0x0200
41 #define IEEE80211_FCTL_MOREFRAGS        0x0400
42 #define IEEE80211_FCTL_RETRY            0x0800
43 #define IEEE80211_FCTL_PM               0x1000
44 #define IEEE80211_FCTL_MOREDATA         0x2000
45 #define IEEE80211_FCTL_PROTECTED        0x4000
46 #define IEEE80211_FCTL_ORDER            0x8000
47 #define IEEE80211_FCTL_CTL_EXT          0x0f00
48
49 #define IEEE80211_SCTL_FRAG             0x000F
50 #define IEEE80211_SCTL_SEQ              0xFFF0
51
52 #define IEEE80211_FTYPE_MGMT            0x0000
53 #define IEEE80211_FTYPE_CTL             0x0004
54 #define IEEE80211_FTYPE_DATA            0x0008
55 #define IEEE80211_FTYPE_EXT             0x000c
56
57 /* management */
58 #define IEEE80211_STYPE_ASSOC_REQ       0x0000
59 #define IEEE80211_STYPE_ASSOC_RESP      0x0010
60 #define IEEE80211_STYPE_REASSOC_REQ     0x0020
61 #define IEEE80211_STYPE_REASSOC_RESP    0x0030
62 #define IEEE80211_STYPE_PROBE_REQ       0x0040
63 #define IEEE80211_STYPE_PROBE_RESP      0x0050
64 #define IEEE80211_STYPE_BEACON          0x0080
65 #define IEEE80211_STYPE_ATIM            0x0090
66 #define IEEE80211_STYPE_DISASSOC        0x00A0
67 #define IEEE80211_STYPE_AUTH            0x00B0
68 #define IEEE80211_STYPE_DEAUTH          0x00C0
69 #define IEEE80211_STYPE_ACTION          0x00D0
70
71 /* control */
72 #define IEEE80211_STYPE_CTL_EXT         0x0060
73 #define IEEE80211_STYPE_BACK_REQ        0x0080
74 #define IEEE80211_STYPE_BACK            0x0090
75 #define IEEE80211_STYPE_PSPOLL          0x00A0
76 #define IEEE80211_STYPE_RTS             0x00B0
77 #define IEEE80211_STYPE_CTS             0x00C0
78 #define IEEE80211_STYPE_ACK             0x00D0
79 #define IEEE80211_STYPE_CFEND           0x00E0
80 #define IEEE80211_STYPE_CFENDACK        0x00F0
81
82 /* data */
83 #define IEEE80211_STYPE_DATA                    0x0000
84 #define IEEE80211_STYPE_DATA_CFACK              0x0010
85 #define IEEE80211_STYPE_DATA_CFPOLL             0x0020
86 #define IEEE80211_STYPE_DATA_CFACKPOLL          0x0030
87 #define IEEE80211_STYPE_NULLFUNC                0x0040
88 #define IEEE80211_STYPE_CFACK                   0x0050
89 #define IEEE80211_STYPE_CFPOLL                  0x0060
90 #define IEEE80211_STYPE_CFACKPOLL               0x0070
91 #define IEEE80211_STYPE_QOS_DATA                0x0080
92 #define IEEE80211_STYPE_QOS_DATA_CFACK          0x0090
93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL         0x00A0
94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL      0x00B0
95 #define IEEE80211_STYPE_QOS_NULLFUNC            0x00C0
96 #define IEEE80211_STYPE_QOS_CFACK               0x00D0
97 #define IEEE80211_STYPE_QOS_CFPOLL              0x00E0
98 #define IEEE80211_STYPE_QOS_CFACKPOLL           0x00F0
99
100 /* extension, added by 802.11ad */
101 #define IEEE80211_STYPE_DMG_BEACON              0x0000
102
103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
104 #define IEEE80211_CTL_EXT_POLL          0x2000
105 #define IEEE80211_CTL_EXT_SPR           0x3000
106 #define IEEE80211_CTL_EXT_GRANT 0x4000
107 #define IEEE80211_CTL_EXT_DMG_CTS       0x5000
108 #define IEEE80211_CTL_EXT_DMG_DTS       0x6000
109 #define IEEE80211_CTL_EXT_SSW           0x8000
110 #define IEEE80211_CTL_EXT_SSW_FBACK     0x9000
111 #define IEEE80211_CTL_EXT_SSW_ACK       0xa000
112
113
114 #define IEEE80211_SN_MASK               ((IEEE80211_SCTL_SEQ) >> 4)
115 #define IEEE80211_MAX_SN                IEEE80211_SN_MASK
116 #define IEEE80211_SN_MODULO             (IEEE80211_MAX_SN + 1)
117
118 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
119 {
120         return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
121 }
122
123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
124 {
125         return (sn1 + sn2) & IEEE80211_SN_MASK;
126 }
127
128 static inline u16 ieee80211_sn_inc(u16 sn)
129 {
130         return ieee80211_sn_add(sn, 1);
131 }
132
133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
134 {
135         return (sn1 - sn2) & IEEE80211_SN_MASK;
136 }
137
138 #define IEEE80211_SEQ_TO_SN(seq)        (((seq) & IEEE80211_SCTL_SEQ) >> 4)
139 #define IEEE80211_SN_TO_SEQ(ssn)        (((ssn) << 4) & IEEE80211_SCTL_SEQ)
140
141 /* miscellaneous IEEE 802.11 constants */
142 #define IEEE80211_MAX_FRAG_THRESHOLD    2352
143 #define IEEE80211_MAX_RTS_THRESHOLD     2353
144 #define IEEE80211_MAX_AID               2007
145 #define IEEE80211_MAX_TIM_LEN           251
146 #define IEEE80211_MAX_MESH_PEERINGS     63
147 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
148    6.2.1.1.2.
149
150    802.11e clarifies the figure in section 7.1.2. The frame body is
151    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
152 #define IEEE80211_MAX_DATA_LEN          2304
153 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
154  * to 7920 bytes, see 8.2.3 General frame format
155  */
156 #define IEEE80211_MAX_DATA_LEN_DMG      7920
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 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
161 #define IEEE80211_MAX_MPDU_LEN_HT_BA            4095
162
163 /* Maximal size of an A-MSDU */
164 #define IEEE80211_MAX_MPDU_LEN_HT_3839          3839
165 #define IEEE80211_MAX_MPDU_LEN_HT_7935          7935
166
167 #define IEEE80211_MAX_MPDU_LEN_VHT_3895         3895
168 #define IEEE80211_MAX_MPDU_LEN_VHT_7991         7991
169 #define IEEE80211_MAX_MPDU_LEN_VHT_11454        11454
170
171 #define IEEE80211_MAX_SSID_LEN          32
172
173 #define IEEE80211_MAX_MESH_ID_LEN       32
174
175 #define IEEE80211_FIRST_TSPEC_TSID      8
176 #define IEEE80211_NUM_TIDS              16
177
178 /* number of user priorities 802.11 uses */
179 #define IEEE80211_NUM_UPS               8
180 /* number of ACs */
181 #define IEEE80211_NUM_ACS               4
182
183 #define IEEE80211_QOS_CTL_LEN           2
184 /* 1d tag mask */
185 #define IEEE80211_QOS_CTL_TAG1D_MASK            0x0007
186 /* TID mask */
187 #define IEEE80211_QOS_CTL_TID_MASK              0x000f
188 /* EOSP */
189 #define IEEE80211_QOS_CTL_EOSP                  0x0010
190 /* ACK policy */
191 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL     0x0000
192 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK      0x0020
193 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL    0x0040
194 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK   0x0060
195 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK       0x0060
196 /* A-MSDU 802.11n */
197 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT        0x0080
198 /* Mesh Control 802.11s */
199 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
200
201 /* U-APSD queue for WMM IEs sent by AP */
202 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD       (1<<7)
203 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK  0x0f
204
205 /* U-APSD queues for WMM IEs sent by STA */
206 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO      (1<<0)
207 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI      (1<<1)
208 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK      (1<<2)
209 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE      (1<<3)
210 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK    0x0f
211
212 /* U-APSD max SP length for WMM IEs sent by STA */
213 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL     0x00
214 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2       0x01
215 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4       0x02
216 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6       0x03
217 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK    0x03
218 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT   5
219
220 #define IEEE80211_HT_CTL_LEN            4
221
222 struct ieee80211_hdr {
223         __le16 frame_control;
224         __le16 duration_id;
225         u8 addr1[6];
226         u8 addr2[6];
227         u8 addr3[6];
228         __le16 seq_ctrl;
229         u8 addr4[6];
230 } __packed __aligned(2);
231
232 struct ieee80211_hdr_3addr {
233         __le16 frame_control;
234         __le16 duration_id;
235         u8 addr1[6];
236         u8 addr2[6];
237         u8 addr3[6];
238         __le16 seq_ctrl;
239 } __packed __aligned(2);
240
241 struct ieee80211_qos_hdr {
242         __le16 frame_control;
243         __le16 duration_id;
244         u8 addr1[6];
245         u8 addr2[6];
246         u8 addr3[6];
247         __le16 seq_ctrl;
248         __le16 qos_ctrl;
249 } __packed __aligned(2);
250
251 /**
252  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
253  * @fc: frame control bytes in little-endian byteorder
254  */
255 static inline bool ieee80211_has_tods(__le16 fc)
256 {
257         return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
258 }
259
260 /**
261  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
262  * @fc: frame control bytes in little-endian byteorder
263  */
264 static inline bool ieee80211_has_fromds(__le16 fc)
265 {
266         return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
267 }
268
269 /**
270  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
271  * @fc: frame control bytes in little-endian byteorder
272  */
273 static inline bool ieee80211_has_a4(__le16 fc)
274 {
275         __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
276         return (fc & tmp) == tmp;
277 }
278
279 /**
280  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
281  * @fc: frame control bytes in little-endian byteorder
282  */
283 static inline bool ieee80211_has_morefrags(__le16 fc)
284 {
285         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
286 }
287
288 /**
289  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
290  * @fc: frame control bytes in little-endian byteorder
291  */
292 static inline bool ieee80211_has_retry(__le16 fc)
293 {
294         return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
295 }
296
297 /**
298  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
299  * @fc: frame control bytes in little-endian byteorder
300  */
301 static inline bool ieee80211_has_pm(__le16 fc)
302 {
303         return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
304 }
305
306 /**
307  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
308  * @fc: frame control bytes in little-endian byteorder
309  */
310 static inline bool ieee80211_has_moredata(__le16 fc)
311 {
312         return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
313 }
314
315 /**
316  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
317  * @fc: frame control bytes in little-endian byteorder
318  */
319 static inline bool ieee80211_has_protected(__le16 fc)
320 {
321         return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
322 }
323
324 /**
325  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
326  * @fc: frame control bytes in little-endian byteorder
327  */
328 static inline bool ieee80211_has_order(__le16 fc)
329 {
330         return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
331 }
332
333 /**
334  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
335  * @fc: frame control bytes in little-endian byteorder
336  */
337 static inline bool ieee80211_is_mgmt(__le16 fc)
338 {
339         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
340                cpu_to_le16(IEEE80211_FTYPE_MGMT);
341 }
342
343 /**
344  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
345  * @fc: frame control bytes in little-endian byteorder
346  */
347 static inline bool ieee80211_is_ctl(__le16 fc)
348 {
349         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
350                cpu_to_le16(IEEE80211_FTYPE_CTL);
351 }
352
353 /**
354  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
355  * @fc: frame control bytes in little-endian byteorder
356  */
357 static inline bool ieee80211_is_data(__le16 fc)
358 {
359         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
360                cpu_to_le16(IEEE80211_FTYPE_DATA);
361 }
362
363 /**
364  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
365  * @fc: frame control bytes in little-endian byteorder
366  */
367 static inline bool ieee80211_is_data_qos(__le16 fc)
368 {
369         /*
370          * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
371          * to check the one bit
372          */
373         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
374                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
375 }
376
377 /**
378  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
379  * @fc: frame control bytes in little-endian byteorder
380  */
381 static inline bool ieee80211_is_data_present(__le16 fc)
382 {
383         /*
384          * mask with 0x40 and test that that bit is clear to only return true
385          * for the data-containing substypes.
386          */
387         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
388                cpu_to_le16(IEEE80211_FTYPE_DATA);
389 }
390
391 /**
392  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
393  * @fc: frame control bytes in little-endian byteorder
394  */
395 static inline bool ieee80211_is_assoc_req(__le16 fc)
396 {
397         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
398                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
399 }
400
401 /**
402  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
403  * @fc: frame control bytes in little-endian byteorder
404  */
405 static inline bool ieee80211_is_assoc_resp(__le16 fc)
406 {
407         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
408                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
409 }
410
411 /**
412  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
413  * @fc: frame control bytes in little-endian byteorder
414  */
415 static inline bool ieee80211_is_reassoc_req(__le16 fc)
416 {
417         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
418                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
419 }
420
421 /**
422  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
423  * @fc: frame control bytes in little-endian byteorder
424  */
425 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
426 {
427         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
428                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
429 }
430
431 /**
432  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
433  * @fc: frame control bytes in little-endian byteorder
434  */
435 static inline bool ieee80211_is_probe_req(__le16 fc)
436 {
437         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
438                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
439 }
440
441 /**
442  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
443  * @fc: frame control bytes in little-endian byteorder
444  */
445 static inline bool ieee80211_is_probe_resp(__le16 fc)
446 {
447         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
448                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
449 }
450
451 /**
452  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
453  * @fc: frame control bytes in little-endian byteorder
454  */
455 static inline bool ieee80211_is_beacon(__le16 fc)
456 {
457         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
458                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
459 }
460
461 /**
462  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
463  * @fc: frame control bytes in little-endian byteorder
464  */
465 static inline bool ieee80211_is_atim(__le16 fc)
466 {
467         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
468                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
469 }
470
471 /**
472  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
473  * @fc: frame control bytes in little-endian byteorder
474  */
475 static inline bool ieee80211_is_disassoc(__le16 fc)
476 {
477         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
478                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
479 }
480
481 /**
482  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
483  * @fc: frame control bytes in little-endian byteorder
484  */
485 static inline bool ieee80211_is_auth(__le16 fc)
486 {
487         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
488                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
489 }
490
491 /**
492  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
493  * @fc: frame control bytes in little-endian byteorder
494  */
495 static inline bool ieee80211_is_deauth(__le16 fc)
496 {
497         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
498                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
499 }
500
501 /**
502  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
503  * @fc: frame control bytes in little-endian byteorder
504  */
505 static inline bool ieee80211_is_action(__le16 fc)
506 {
507         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
508                cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
509 }
510
511 /**
512  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
513  * @fc: frame control bytes in little-endian byteorder
514  */
515 static inline bool ieee80211_is_back_req(__le16 fc)
516 {
517         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
518                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
519 }
520
521 /**
522  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
523  * @fc: frame control bytes in little-endian byteorder
524  */
525 static inline bool ieee80211_is_back(__le16 fc)
526 {
527         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
528                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
529 }
530
531 /**
532  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
533  * @fc: frame control bytes in little-endian byteorder
534  */
535 static inline bool ieee80211_is_pspoll(__le16 fc)
536 {
537         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
538                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
539 }
540
541 /**
542  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
543  * @fc: frame control bytes in little-endian byteorder
544  */
545 static inline bool ieee80211_is_rts(__le16 fc)
546 {
547         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
549 }
550
551 /**
552  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
553  * @fc: frame control bytes in little-endian byteorder
554  */
555 static inline bool ieee80211_is_cts(__le16 fc)
556 {
557         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
558                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
559 }
560
561 /**
562  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
563  * @fc: frame control bytes in little-endian byteorder
564  */
565 static inline bool ieee80211_is_ack(__le16 fc)
566 {
567         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
568                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
569 }
570
571 /**
572  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
573  * @fc: frame control bytes in little-endian byteorder
574  */
575 static inline bool ieee80211_is_cfend(__le16 fc)
576 {
577         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
578                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
579 }
580
581 /**
582  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
583  * @fc: frame control bytes in little-endian byteorder
584  */
585 static inline bool ieee80211_is_cfendack(__le16 fc)
586 {
587         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
588                cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
589 }
590
591 /**
592  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
593  * @fc: frame control bytes in little-endian byteorder
594  */
595 static inline bool ieee80211_is_nullfunc(__le16 fc)
596 {
597         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
598                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
599 }
600
601 /**
602  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
603  * @fc: frame control bytes in little-endian byteorder
604  */
605 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
606 {
607         return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
608                cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
609 }
610
611 static inline unsigned int ieee80211_hdrlen(__le16 fc)
612 {
613         unsigned int hdrlen = 24;
614
615         if (ieee80211_has_a4(fc))
616                 hdrlen = 30;
617
618         if (ieee80211_is_data_qos(fc)) {
619                 hdrlen += IEEE80211_QOS_CTL_LEN;
620                 if (ieee80211_has_order(fc))
621                         hdrlen += IEEE80211_HT_CTL_LEN;
622         }
623
624         return hdrlen;
625 }
626
627 /**
628  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
629  * @fc: frame control bytes in little-endian byteorder
630  */
631 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
632 {
633         return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
634 }
635
636 /**
637  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
638  * @fc: frame control field in little-endian byteorder
639  */
640 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
641 {
642         /* IEEE 802.11-2012, definition of "bufferable management frame";
643          * note that this ignores the IBSS special case. */
644         return ieee80211_is_mgmt(fc) &&
645                (ieee80211_is_action(fc) ||
646                 ieee80211_is_disassoc(fc) ||
647                 ieee80211_is_deauth(fc));
648 }
649
650 /**
651  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
652  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
653  */
654 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
655 {
656         return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
657 }
658
659 /**
660  * ieee80211_is_frag - check if a frame is a fragment
661  * @hdr: 802.11 header of the frame
662  */
663 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
664 {
665         return ieee80211_has_morefrags(hdr->frame_control) ||
666                hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
667 }
668
669 struct ieee80211s_hdr {
670         u8 flags;
671         u8 ttl;
672         __le32 seqnum;
673         u8 eaddr1[6];
674         u8 eaddr2[6];
675 } __packed __aligned(2);
676
677 /* Mesh flags */
678 #define MESH_FLAGS_AE_A4        0x1
679 #define MESH_FLAGS_AE_A5_A6     0x2
680 #define MESH_FLAGS_AE           0x3
681 #define MESH_FLAGS_PS_DEEP      0x4
682
683 /**
684  * enum ieee80211_preq_flags - mesh PREQ element flags
685  *
686  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
687  */
688 enum ieee80211_preq_flags {
689         IEEE80211_PREQ_PROACTIVE_PREP_FLAG      = 1<<2,
690 };
691
692 /**
693  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
694  *
695  * @IEEE80211_PREQ_TO_FLAG: target only subfield
696  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
697  */
698 enum ieee80211_preq_target_flags {
699         IEEE80211_PREQ_TO_FLAG  = 1<<0,
700         IEEE80211_PREQ_USN_FLAG = 1<<2,
701 };
702
703 /**
704  * struct ieee80211_quiet_ie
705  *
706  * This structure refers to "Quiet information element"
707  */
708 struct ieee80211_quiet_ie {
709         u8 count;
710         u8 period;
711         __le16 duration;
712         __le16 offset;
713 } __packed;
714
715 /**
716  * struct ieee80211_msrment_ie
717  *
718  * This structure refers to "Measurement Request/Report information element"
719  */
720 struct ieee80211_msrment_ie {
721         u8 token;
722         u8 mode;
723         u8 type;
724         u8 request[0];
725 } __packed;
726
727 /**
728  * struct ieee80211_channel_sw_ie
729  *
730  * This structure refers to "Channel Switch Announcement information element"
731  */
732 struct ieee80211_channel_sw_ie {
733         u8 mode;
734         u8 new_ch_num;
735         u8 count;
736 } __packed;
737
738 /**
739  * struct ieee80211_ext_chansw_ie
740  *
741  * This structure represents the "Extended Channel Switch Announcement element"
742  */
743 struct ieee80211_ext_chansw_ie {
744         u8 mode;
745         u8 new_operating_class;
746         u8 new_ch_num;
747         u8 count;
748 } __packed;
749
750 /**
751  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
752  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
753  *      values here
754  * This structure represents the "Secondary Channel Offset element"
755  */
756 struct ieee80211_sec_chan_offs_ie {
757         u8 sec_chan_offs;
758 } __packed;
759
760 /**
761  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
762  *
763  * This structure represents the "Mesh Channel Switch Paramters element"
764  */
765 struct ieee80211_mesh_chansw_params_ie {
766         u8 mesh_ttl;
767         u8 mesh_flags;
768         __le16 mesh_reason;
769         __le16 mesh_pre_value;
770 } __packed;
771
772 /**
773  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
774  */
775 struct ieee80211_wide_bw_chansw_ie {
776         u8 new_channel_width;
777         u8 new_center_freq_seg0, new_center_freq_seg1;
778 } __packed;
779
780 /**
781  * struct ieee80211_tim
782  *
783  * This structure refers to "Traffic Indication Map information element"
784  */
785 struct ieee80211_tim_ie {
786         u8 dtim_count;
787         u8 dtim_period;
788         u8 bitmap_ctrl;
789         /* variable size: 1 - 251 bytes */
790         u8 virtual_map[1];
791 } __packed;
792
793 /**
794  * struct ieee80211_meshconf_ie
795  *
796  * This structure refers to "Mesh Configuration information element"
797  */
798 struct ieee80211_meshconf_ie {
799         u8 meshconf_psel;
800         u8 meshconf_pmetric;
801         u8 meshconf_congest;
802         u8 meshconf_synch;
803         u8 meshconf_auth;
804         u8 meshconf_form;
805         u8 meshconf_cap;
806 } __packed;
807
808 /**
809  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
810  *
811  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
812  *      additional mesh peerings with other mesh STAs
813  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
814  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
815  *      is ongoing
816  */
817 enum mesh_config_capab_flags {
818         IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS          = 0x01,
819         IEEE80211_MESHCONF_CAPAB_FORWARDING             = 0x08,
820         IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING         = 0x20,
821 };
822
823 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
824
825 /**
826  * mesh channel switch parameters element's flag indicator
827  *
828  */
829 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
830 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
831 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
832
833 /**
834  * struct ieee80211_rann_ie
835  *
836  * This structure refers to "Root Announcement information element"
837  */
838 struct ieee80211_rann_ie {
839         u8 rann_flags;
840         u8 rann_hopcount;
841         u8 rann_ttl;
842         u8 rann_addr[6];
843         __le32 rann_seq;
844         __le32 rann_interval;
845         __le32 rann_metric;
846 } __packed;
847
848 enum ieee80211_rann_flags {
849         RANN_FLAG_IS_GATE = 1 << 0,
850 };
851
852 enum ieee80211_ht_chanwidth_values {
853         IEEE80211_HT_CHANWIDTH_20MHZ = 0,
854         IEEE80211_HT_CHANWIDTH_ANY = 1,
855 };
856
857 /**
858  * enum ieee80211_opmode_bits - VHT operating mode field bits
859  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
860  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
861  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
862  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
863  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
864  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
865  *      (the NSS value is the value of this field + 1)
866  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
867  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
868  *      using a beamforming steering matrix
869  */
870 enum ieee80211_vht_opmode_bits {
871         IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK   = 3,
872         IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ  = 0,
873         IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ  = 1,
874         IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ  = 2,
875         IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
876         IEEE80211_OPMODE_NOTIF_RX_NSS_MASK      = 0x70,
877         IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT     = 4,
878         IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF   = 0x80,
879 };
880
881 #define WLAN_SA_QUERY_TR_ID_LEN 2
882 #define WLAN_MEMBERSHIP_LEN 8
883 #define WLAN_USER_POSITION_LEN 16
884
885 /**
886  * struct ieee80211_tpc_report_ie
887  *
888  * This structure refers to "TPC Report element"
889  */
890 struct ieee80211_tpc_report_ie {
891         u8 tx_power;
892         u8 link_margin;
893 } __packed;
894
895 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK     GENMASK(2, 1)
896 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT    1
897 #define IEEE80211_ADDBA_EXT_NO_FRAG             BIT(0)
898
899 struct ieee80211_addba_ext_ie {
900         u8 data;
901 } __packed;
902
903 struct ieee80211_mgmt {
904         __le16 frame_control;
905         __le16 duration;
906         u8 da[6];
907         u8 sa[6];
908         u8 bssid[6];
909         __le16 seq_ctrl;
910         union {
911                 struct {
912                         __le16 auth_alg;
913                         __le16 auth_transaction;
914                         __le16 status_code;
915                         /* possibly followed by Challenge text */
916                         u8 variable[0];
917                 } __packed __aligned(4) auth;
918                 struct {
919                         __le16 reason_code;
920                 } __packed __aligned(4) deauth;
921                 struct {
922                         __le16 capab_info;
923                         __le16 listen_interval;
924                         /* followed by SSID and Supported rates */
925                         u8 variable[0];
926                 } __packed __aligned(4) assoc_req;
927                 struct {
928                         __le16 capab_info;
929                         __le16 status_code;
930                         __le16 aid;
931                         /* followed by Supported rates */
932                         u8 variable[0];
933                 } __packed __aligned(4) assoc_resp, reassoc_resp;
934                 struct {
935                         __le16 capab_info;
936                         __le16 listen_interval;
937                         u8 current_ap[6];
938                         /* followed by SSID and Supported rates */
939                         u8 variable[0];
940                 } __packed __aligned(4) reassoc_req;
941                 struct {
942                         __le16 reason_code;
943                 } __packed __aligned(4) disassoc;
944                 struct {
945                         __le64 timestamp;
946                         __le16 beacon_int;
947                         __le16 capab_info;
948                         /* followed by some of SSID, Supported rates,
949                          * FH Params, DS Params, CF Params, IBSS Params, TIM */
950                         u8 variable[0];
951                 } __packed __aligned(4) beacon;
952                 struct {
953                         /* only variable items: SSID, Supported rates */
954                         u8 variable[0];
955                 } __packed __aligned(4) probe_req;
956                 struct {
957                         __le64 timestamp;
958                         __le16 beacon_int;
959                         __le16 capab_info;
960                         /* followed by some of SSID, Supported rates,
961                          * FH Params, DS Params, CF Params, IBSS Params */
962                         u8 variable[0];
963                 } __packed __aligned(4) probe_resp;
964                 struct {
965                         u8 category;
966                         union {
967                                 struct {
968                                         u8 action_code;
969                                         u8 dialog_token;
970                                         u8 status_code;
971                                         u8 variable[0];
972                                 } __packed wme_action;
973                                 struct{
974                                         u8 action_code;
975                                         u8 variable[0];
976                                 } __packed chan_switch;
977                                 struct{
978                                         u8 action_code;
979                                         struct ieee80211_ext_chansw_ie data;
980                                         u8 variable[0];
981                                 } __packed ext_chan_switch;
982                                 struct{
983                                         u8 action_code;
984                                         u8 dialog_token;
985                                         u8 element_id;
986                                         u8 length;
987                                         struct ieee80211_msrment_ie msr_elem;
988                                 } __packed measurement;
989                                 struct{
990                                         u8 action_code;
991                                         u8 dialog_token;
992                                         __le16 capab;
993                                         __le16 timeout;
994                                         __le16 start_seq_num;
995                                         /* followed by BA Extension */
996                                         u8 variable[0];
997                                 } __packed addba_req;
998                                 struct{
999                                         u8 action_code;
1000                                         u8 dialog_token;
1001                                         __le16 status;
1002                                         __le16 capab;
1003                                         __le16 timeout;
1004                                 } __packed addba_resp;
1005                                 struct{
1006                                         u8 action_code;
1007                                         __le16 params;
1008                                         __le16 reason_code;
1009                                 } __packed delba;
1010                                 struct {
1011                                         u8 action_code;
1012                                         u8 variable[0];
1013                                 } __packed self_prot;
1014                                 struct{
1015                                         u8 action_code;
1016                                         u8 variable[0];
1017                                 } __packed mesh_action;
1018                                 struct {
1019                                         u8 action;
1020                                         u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1021                                 } __packed sa_query;
1022                                 struct {
1023                                         u8 action;
1024                                         u8 smps_control;
1025                                 } __packed ht_smps;
1026                                 struct {
1027                                         u8 action_code;
1028                                         u8 chanwidth;
1029                                 } __packed ht_notify_cw;
1030                                 struct {
1031                                         u8 action_code;
1032                                         u8 dialog_token;
1033                                         __le16 capability;
1034                                         u8 variable[0];
1035                                 } __packed tdls_discover_resp;
1036                                 struct {
1037                                         u8 action_code;
1038                                         u8 operating_mode;
1039                                 } __packed vht_opmode_notif;
1040                                 struct {
1041                                         u8 action_code;
1042                                         u8 membership[WLAN_MEMBERSHIP_LEN];
1043                                         u8 position[WLAN_USER_POSITION_LEN];
1044                                 } __packed vht_group_notif;
1045                                 struct {
1046                                         u8 action_code;
1047                                         u8 dialog_token;
1048                                         u8 tpc_elem_id;
1049                                         u8 tpc_elem_length;
1050                                         struct ieee80211_tpc_report_ie tpc;
1051                                 } __packed tpc_report;
1052                                 struct {
1053                                         u8 action_code;
1054                                         u8 dialog_token;
1055                                         u8 follow_up;
1056                                         u8 tod[6];
1057                                         u8 toa[6];
1058                                         __le16 tod_error;
1059                                         __le16 toa_error;
1060                                         u8 variable[0];
1061                                 } __packed ftm;
1062                         } u;
1063                 } __packed __aligned(4) action;
1064         } u __aligned(2);
1065 } __packed __aligned(2);
1066
1067 /* Supported rates membership selectors */
1068 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY  127
1069 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1070
1071 /* mgmt header + 1 byte category code */
1072 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1073
1074
1075 /* Management MIC information element (IEEE 802.11w) */
1076 struct ieee80211_mmie {
1077         u8 element_id;
1078         u8 length;
1079         __le16 key_id;
1080         u8 sequence_number[6];
1081         u8 mic[8];
1082 } __packed;
1083
1084 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1085 struct ieee80211_mmie_16 {
1086         u8 element_id;
1087         u8 length;
1088         __le16 key_id;
1089         u8 sequence_number[6];
1090         u8 mic[16];
1091 } __packed;
1092
1093 struct ieee80211_vendor_ie {
1094         u8 element_id;
1095         u8 len;
1096         u8 oui[3];
1097         u8 oui_type;
1098 } __packed;
1099
1100 struct ieee80211_wmm_ac_param {
1101         u8 aci_aifsn; /* AIFSN, ACM, ACI */
1102         u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1103         __le16 txop_limit;
1104 } __packed;
1105
1106 struct ieee80211_wmm_param_ie {
1107         u8 element_id; /* Element ID: 221 (0xdd); */
1108         u8 len; /* Length: 24 */
1109         /* required fields for WMM version 1 */
1110         u8 oui[3]; /* 00:50:f2 */
1111         u8 oui_type; /* 2 */
1112         u8 oui_subtype; /* 1 */
1113         u8 version; /* 1 for WMM version 1.0 */
1114         u8 qos_info; /* AP/STA specific QoS info */
1115         u8 reserved; /* 0 */
1116         /* AC_BE, AC_BK, AC_VI, AC_VO */
1117         struct ieee80211_wmm_ac_param ac[4];
1118 } __packed;
1119
1120 /* Control frames */
1121 struct ieee80211_rts {
1122         __le16 frame_control;
1123         __le16 duration;
1124         u8 ra[6];
1125         u8 ta[6];
1126 } __packed __aligned(2);
1127
1128 struct ieee80211_cts {
1129         __le16 frame_control;
1130         __le16 duration;
1131         u8 ra[6];
1132 } __packed __aligned(2);
1133
1134 struct ieee80211_pspoll {
1135         __le16 frame_control;
1136         __le16 aid;
1137         u8 bssid[6];
1138         u8 ta[6];
1139 } __packed __aligned(2);
1140
1141 /* TDLS */
1142
1143 /* Channel switch timing */
1144 struct ieee80211_ch_switch_timing {
1145         __le16 switch_time;
1146         __le16 switch_timeout;
1147 } __packed;
1148
1149 /* Link-id information element */
1150 struct ieee80211_tdls_lnkie {
1151         u8 ie_type; /* Link Identifier IE */
1152         u8 ie_len;
1153         u8 bssid[6];
1154         u8 init_sta[6];
1155         u8 resp_sta[6];
1156 } __packed;
1157
1158 struct ieee80211_tdls_data {
1159         u8 da[6];
1160         u8 sa[6];
1161         __be16 ether_type;
1162         u8 payload_type;
1163         u8 category;
1164         u8 action_code;
1165         union {
1166                 struct {
1167                         u8 dialog_token;
1168                         __le16 capability;
1169                         u8 variable[0];
1170                 } __packed setup_req;
1171                 struct {
1172                         __le16 status_code;
1173                         u8 dialog_token;
1174                         __le16 capability;
1175                         u8 variable[0];
1176                 } __packed setup_resp;
1177                 struct {
1178                         __le16 status_code;
1179                         u8 dialog_token;
1180                         u8 variable[0];
1181                 } __packed setup_cfm;
1182                 struct {
1183                         __le16 reason_code;
1184                         u8 variable[0];
1185                 } __packed teardown;
1186                 struct {
1187                         u8 dialog_token;
1188                         u8 variable[0];
1189                 } __packed discover_req;
1190                 struct {
1191                         u8 target_channel;
1192                         u8 oper_class;
1193                         u8 variable[0];
1194                 } __packed chan_switch_req;
1195                 struct {
1196                         __le16 status_code;
1197                         u8 variable[0];
1198                 } __packed chan_switch_resp;
1199         } u;
1200 } __packed;
1201
1202 /*
1203  * Peer-to-Peer IE attribute related definitions.
1204  */
1205 /**
1206  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1207  */
1208 enum ieee80211_p2p_attr_id {
1209         IEEE80211_P2P_ATTR_STATUS = 0,
1210         IEEE80211_P2P_ATTR_MINOR_REASON,
1211         IEEE80211_P2P_ATTR_CAPABILITY,
1212         IEEE80211_P2P_ATTR_DEVICE_ID,
1213         IEEE80211_P2P_ATTR_GO_INTENT,
1214         IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1215         IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1216         IEEE80211_P2P_ATTR_GROUP_BSSID,
1217         IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1218         IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1219         IEEE80211_P2P_ATTR_MANAGABILITY,
1220         IEEE80211_P2P_ATTR_CHANNEL_LIST,
1221         IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1222         IEEE80211_P2P_ATTR_DEVICE_INFO,
1223         IEEE80211_P2P_ATTR_GROUP_INFO,
1224         IEEE80211_P2P_ATTR_GROUP_ID,
1225         IEEE80211_P2P_ATTR_INTERFACE,
1226         IEEE80211_P2P_ATTR_OPER_CHANNEL,
1227         IEEE80211_P2P_ATTR_INVITE_FLAGS,
1228         /* 19 - 220: Reserved */
1229         IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1230
1231         IEEE80211_P2P_ATTR_MAX
1232 };
1233
1234 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1235 /* Typical max value used here */
1236 #define IEEE80211_P2P_NOA_DESC_MAX      4
1237
1238 struct ieee80211_p2p_noa_desc {
1239         u8 count;
1240         __le32 duration;
1241         __le32 interval;
1242         __le32 start_time;
1243 } __packed;
1244
1245 struct ieee80211_p2p_noa_attr {
1246         u8 index;
1247         u8 oppps_ctwindow;
1248         struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1249 } __packed;
1250
1251 #define IEEE80211_P2P_OPPPS_ENABLE_BIT          BIT(7)
1252 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK       0x7F
1253
1254 /**
1255  * struct ieee80211_bar - HT Block Ack Request
1256  *
1257  * This structure refers to "HT BlockAckReq" as
1258  * described in 802.11n draft section 7.2.1.7.1
1259  */
1260 struct ieee80211_bar {
1261         __le16 frame_control;
1262         __le16 duration;
1263         __u8 ra[6];
1264         __u8 ta[6];
1265         __le16 control;
1266         __le16 start_seq_num;
1267 } __packed __aligned(2);
1268
1269 /* 802.11 BA(R) control masks */
1270 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL    0x0000
1271 #define IEEE80211_BAR_CTRL_MULTI_TID            0x0002
1272 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1273 #define IEEE80211_BAR_CTRL_TID_INFO_MASK        0xf000
1274 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT       12
1275
1276 /**
1277  * struct ieee80211_ba - HT Block Ack
1278  *
1279  * This structure refers to "HT BlockAck" as
1280  * described in 802.11n draft section 7.2.1.8.1
1281  */
1282 struct ieee80211_ba {
1283         __le16 frame_control;
1284         __le16 duration;
1285         u8 ra[6];
1286         u8 ta[6];
1287         __le16 control;
1288
1289         __le16 start_seq_num;
1290         u8 bitmap[8];
1291 } __packed;
1292
1293 #define IEEE80211_HT_MCS_MASK_LEN               10
1294
1295 /**
1296  * struct ieee80211_mcs_info - MCS information
1297  * @rx_mask: RX mask
1298  * @rx_highest: highest supported RX rate. If set represents
1299  *      the highest supported RX data rate in units of 1 Mbps.
1300  *      If this field is 0 this value should not be used to
1301  *      consider the highest RX data rate supported.
1302  * @tx_params: TX parameters
1303  */
1304 struct ieee80211_mcs_info {
1305         u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1306         __le16 rx_highest;
1307         u8 tx_params;
1308         u8 reserved[3];
1309 } __packed;
1310
1311 /* 802.11n HT capability MSC set */
1312 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK        0x3ff
1313 #define IEEE80211_HT_MCS_TX_DEFINED             0x01
1314 #define IEEE80211_HT_MCS_TX_RX_DIFF             0x02
1315 /* value 0 == 1 stream etc */
1316 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK    0x0C
1317 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT   2
1318 #define         IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1319 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION  0x10
1320
1321 /*
1322  * 802.11n D5.0 20.3.5 / 20.6 says:
1323  * - indices 0 to 7 and 32 are single spatial stream
1324  * - 8 to 31 are multiple spatial streams using equal modulation
1325  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1326  * - remainder are multiple spatial streams using unequal modulation
1327  */
1328 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1329 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1330         (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1331
1332 /**
1333  * struct ieee80211_ht_cap - HT capabilities
1334  *
1335  * This structure is the "HT capabilities element" as
1336  * described in 802.11n D5.0 7.3.2.57
1337  */
1338 struct ieee80211_ht_cap {
1339         __le16 cap_info;
1340         u8 ampdu_params_info;
1341
1342         /* 16 bytes MCS information */
1343         struct ieee80211_mcs_info mcs;
1344
1345         __le16 extended_ht_cap_info;
1346         __le32 tx_BF_cap_info;
1347         u8 antenna_selection_info;
1348 } __packed;
1349
1350 /* 802.11n HT capabilities masks (for cap_info) */
1351 #define IEEE80211_HT_CAP_LDPC_CODING            0x0001
1352 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40        0x0002
1353 #define IEEE80211_HT_CAP_SM_PS                  0x000C
1354 #define         IEEE80211_HT_CAP_SM_PS_SHIFT    2
1355 #define IEEE80211_HT_CAP_GRN_FLD                0x0010
1356 #define IEEE80211_HT_CAP_SGI_20                 0x0020
1357 #define IEEE80211_HT_CAP_SGI_40                 0x0040
1358 #define IEEE80211_HT_CAP_TX_STBC                0x0080
1359 #define IEEE80211_HT_CAP_RX_STBC                0x0300
1360 #define         IEEE80211_HT_CAP_RX_STBC_SHIFT  8
1361 #define IEEE80211_HT_CAP_DELAY_BA               0x0400
1362 #define IEEE80211_HT_CAP_MAX_AMSDU              0x0800
1363 #define IEEE80211_HT_CAP_DSSSCCK40              0x1000
1364 #define IEEE80211_HT_CAP_RESERVED               0x2000
1365 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT       0x4000
1366 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT         0x8000
1367
1368 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1369 #define IEEE80211_HT_EXT_CAP_PCO                0x0001
1370 #define IEEE80211_HT_EXT_CAP_PCO_TIME           0x0006
1371 #define         IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT     1
1372 #define IEEE80211_HT_EXT_CAP_MCS_FB             0x0300
1373 #define         IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT       8
1374 #define IEEE80211_HT_EXT_CAP_HTC_SUP            0x0400
1375 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER       0x0800
1376
1377 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1378 #define IEEE80211_HT_AMPDU_PARM_FACTOR          0x03
1379 #define IEEE80211_HT_AMPDU_PARM_DENSITY         0x1C
1380 #define         IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT   2
1381
1382 /*
1383  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1384  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1385  */
1386 enum ieee80211_max_ampdu_length_exp {
1387         IEEE80211_HT_MAX_AMPDU_8K = 0,
1388         IEEE80211_HT_MAX_AMPDU_16K = 1,
1389         IEEE80211_HT_MAX_AMPDU_32K = 2,
1390         IEEE80211_HT_MAX_AMPDU_64K = 3
1391 };
1392
1393 /*
1394  * Maximum length of AMPDU that the STA can receive in VHT.
1395  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1396  */
1397 enum ieee80211_vht_max_ampdu_length_exp {
1398         IEEE80211_VHT_MAX_AMPDU_8K = 0,
1399         IEEE80211_VHT_MAX_AMPDU_16K = 1,
1400         IEEE80211_VHT_MAX_AMPDU_32K = 2,
1401         IEEE80211_VHT_MAX_AMPDU_64K = 3,
1402         IEEE80211_VHT_MAX_AMPDU_128K = 4,
1403         IEEE80211_VHT_MAX_AMPDU_256K = 5,
1404         IEEE80211_VHT_MAX_AMPDU_512K = 6,
1405         IEEE80211_VHT_MAX_AMPDU_1024K = 7
1406 };
1407
1408 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1409
1410 /* Minimum MPDU start spacing */
1411 enum ieee80211_min_mpdu_spacing {
1412         IEEE80211_HT_MPDU_DENSITY_NONE = 0,     /* No restriction */
1413         IEEE80211_HT_MPDU_DENSITY_0_25 = 1,     /* 1/4 usec */
1414         IEEE80211_HT_MPDU_DENSITY_0_5 = 2,      /* 1/2 usec */
1415         IEEE80211_HT_MPDU_DENSITY_1 = 3,        /* 1 usec */
1416         IEEE80211_HT_MPDU_DENSITY_2 = 4,        /* 2 usec */
1417         IEEE80211_HT_MPDU_DENSITY_4 = 5,        /* 4 usec */
1418         IEEE80211_HT_MPDU_DENSITY_8 = 6,        /* 8 usec */
1419         IEEE80211_HT_MPDU_DENSITY_16 = 7        /* 16 usec */
1420 };
1421
1422 /**
1423  * struct ieee80211_ht_operation - HT operation IE
1424  *
1425  * This structure is the "HT operation element" as
1426  * described in 802.11n-2009 7.3.2.57
1427  */
1428 struct ieee80211_ht_operation {
1429         u8 primary_chan;
1430         u8 ht_param;
1431         __le16 operation_mode;
1432         __le16 stbc_param;
1433         u8 basic_set[16];
1434 } __packed;
1435
1436 /* for ht_param */
1437 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET               0x03
1438 #define         IEEE80211_HT_PARAM_CHA_SEC_NONE         0x00
1439 #define         IEEE80211_HT_PARAM_CHA_SEC_ABOVE        0x01
1440 #define         IEEE80211_HT_PARAM_CHA_SEC_BELOW        0x03
1441 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY               0x04
1442 #define IEEE80211_HT_PARAM_RIFS_MODE                    0x08
1443
1444 /* for operation_mode */
1445 #define IEEE80211_HT_OP_MODE_PROTECTION                 0x0003
1446 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONE            0
1447 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER       1
1448 #define         IEEE80211_HT_OP_MODE_PROTECTION_20MHZ           2
1449 #define         IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED     3
1450 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT           0x0004
1451 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT           0x0010
1452 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT                5
1453 #define IEEE80211_HT_OP_MODE_CCFS2_MASK                 0x1fe0
1454
1455 /* for stbc_param */
1456 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON             0x0040
1457 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT           0x0080
1458 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON             0x0100
1459 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT      0x0200
1460 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE              0x0400
1461 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE               0x0800
1462
1463
1464 /* block-ack parameters */
1465 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1466 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1467 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1468 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1469 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1470 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1471
1472 /*
1473  * A-MPDU buffer sizes
1474  * According to HT size varies from 8 to 64 frames
1475  * HE adds the ability to have up to 256 frames.
1476  */
1477 #define IEEE80211_MIN_AMPDU_BUF         0x8
1478 #define IEEE80211_MAX_AMPDU_BUF_HT      0x40
1479 #define IEEE80211_MAX_AMPDU_BUF         0x100
1480
1481
1482 /* Spatial Multiplexing Power Save Modes (for capability) */
1483 #define WLAN_HT_CAP_SM_PS_STATIC        0
1484 #define WLAN_HT_CAP_SM_PS_DYNAMIC       1
1485 #define WLAN_HT_CAP_SM_PS_INVALID       2
1486 #define WLAN_HT_CAP_SM_PS_DISABLED      3
1487
1488 /* for SM power control field lower two bits */
1489 #define WLAN_HT_SMPS_CONTROL_DISABLED   0
1490 #define WLAN_HT_SMPS_CONTROL_STATIC     1
1491 #define WLAN_HT_SMPS_CONTROL_DYNAMIC    3
1492
1493 /**
1494  * struct ieee80211_vht_mcs_info - VHT MCS information
1495  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1496  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1497  *      STA can receive. Rate expressed in units of 1 Mbps.
1498  *      If this field is 0 this value should not be used to
1499  *      consider the highest RX data rate supported.
1500  *      The top 3 bits of this field indicate the Maximum NSTS,total
1501  *      (a beamformee capability.)
1502  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1503  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1504  *      STA can transmit. Rate expressed in units of 1 Mbps.
1505  *      If this field is 0 this value should not be used to
1506  *      consider the highest TX data rate supported.
1507  *      The top 2 bits of this field are reserved, the
1508  *      3rd bit from the top indiciates VHT Extended NSS BW
1509  *      Capability.
1510  */
1511 struct ieee80211_vht_mcs_info {
1512         __le16 rx_mcs_map;
1513         __le16 rx_highest;
1514         __le16 tx_mcs_map;
1515         __le16 tx_highest;
1516 } __packed;
1517
1518 /* for rx_highest */
1519 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT      13
1520 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK       (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1521
1522 /* for tx_highest */
1523 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE        (1 << 13)
1524
1525 /**
1526  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1527  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1528  *      number of streams
1529  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1530  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1531  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1532  *
1533  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1534  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1535  * both split into 8 subfields by number of streams. These values indicate
1536  * which MCSes are supported for the number of streams the value appears
1537  * for.
1538  */
1539 enum ieee80211_vht_mcs_support {
1540         IEEE80211_VHT_MCS_SUPPORT_0_7   = 0,
1541         IEEE80211_VHT_MCS_SUPPORT_0_8   = 1,
1542         IEEE80211_VHT_MCS_SUPPORT_0_9   = 2,
1543         IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1544 };
1545
1546 /**
1547  * struct ieee80211_vht_cap - VHT capabilities
1548  *
1549  * This structure is the "VHT capabilities element" as
1550  * described in 802.11ac D3.0 8.4.2.160
1551  * @vht_cap_info: VHT capability info
1552  * @supp_mcs: VHT MCS supported rates
1553  */
1554 struct ieee80211_vht_cap {
1555         __le32 vht_cap_info;
1556         struct ieee80211_vht_mcs_info supp_mcs;
1557 } __packed;
1558
1559 /**
1560  * enum ieee80211_vht_chanwidth - VHT channel width
1561  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1562  *      determine the channel width (20 or 40 MHz)
1563  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1564  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1565  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1566  */
1567 enum ieee80211_vht_chanwidth {
1568         IEEE80211_VHT_CHANWIDTH_USE_HT          = 0,
1569         IEEE80211_VHT_CHANWIDTH_80MHZ           = 1,
1570         IEEE80211_VHT_CHANWIDTH_160MHZ          = 2,
1571         IEEE80211_VHT_CHANWIDTH_80P80MHZ        = 3,
1572 };
1573
1574 /**
1575  * struct ieee80211_vht_operation - VHT operation IE
1576  *
1577  * This structure is the "VHT operation element" as
1578  * described in 802.11ac D3.0 8.4.2.161
1579  * @chan_width: Operating channel width
1580  * @center_freq_seg0_idx: center freq segment 0 index
1581  * @center_freq_seg1_idx: center freq segment 1 index
1582  * @basic_mcs_set: VHT Basic MCS rate set
1583  */
1584 struct ieee80211_vht_operation {
1585         u8 chan_width;
1586         u8 center_freq_seg0_idx;
1587         u8 center_freq_seg1_idx;
1588         __le16 basic_mcs_set;
1589 } __packed;
1590
1591 /**
1592  * struct ieee80211_he_cap_elem - HE capabilities element
1593  *
1594  * This structure is the "HE capabilities element" fixed fields as
1595  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1596  */
1597 struct ieee80211_he_cap_elem {
1598         u8 mac_cap_info[6];
1599         u8 phy_cap_info[11];
1600 } __packed;
1601
1602 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN    5
1603
1604 /**
1605  * enum ieee80211_he_mcs_support - HE MCS support definitions
1606  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1607  *      number of streams
1608  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1609  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1610  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1611  *
1612  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1613  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1614  * both split into 8 subfields by number of streams. These values indicate
1615  * which MCSes are supported for the number of streams the value appears
1616  * for.
1617  */
1618 enum ieee80211_he_mcs_support {
1619         IEEE80211_HE_MCS_SUPPORT_0_7    = 0,
1620         IEEE80211_HE_MCS_SUPPORT_0_9    = 1,
1621         IEEE80211_HE_MCS_SUPPORT_0_11   = 2,
1622         IEEE80211_HE_MCS_NOT_SUPPORTED  = 3,
1623 };
1624
1625 /**
1626  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1627  *
1628  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1629  * described in P802.11ax_D2.0 section 9.4.2.237.4
1630  *
1631  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1632  *     widths less than 80MHz.
1633  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1634  *     widths less than 80MHz.
1635  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1636  *     width 160MHz.
1637  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1638  *     width 160MHz.
1639  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1640  *     channel width 80p80MHz.
1641  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1642  *     channel width 80p80MHz.
1643  */
1644 struct ieee80211_he_mcs_nss_supp {
1645         __le16 rx_mcs_80;
1646         __le16 tx_mcs_80;
1647         __le16 rx_mcs_160;
1648         __le16 tx_mcs_160;
1649         __le16 rx_mcs_80p80;
1650         __le16 tx_mcs_80p80;
1651 } __packed;
1652
1653 /**
1654  * struct ieee80211_he_operation - HE capabilities element
1655  *
1656  * This structure is the "HE operation element" fields as
1657  * described in P802.11ax_D4.0 section 9.4.2.243
1658  */
1659 struct ieee80211_he_operation {
1660         __le32 he_oper_params;
1661         __le16 he_mcs_nss_set;
1662         /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1663         u8 optional[0];
1664 } __packed;
1665
1666 /**
1667  * struct ieee80211_he_spr - HE spatial reuse element
1668  *
1669  * This structure is the "HE spatial reuse element" element as
1670  * described in P802.11ax_D4.0 section 9.4.2.241
1671  */
1672 struct ieee80211_he_spr {
1673         u8 he_sr_control;
1674         /* Optional 0 to 19 bytes: depends on @he_sr_control */
1675         u8 optional[0];
1676 } __packed;
1677
1678 /**
1679  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1680  *
1681  * This structure is the "MU AC Parameter Record" fields as
1682  * described in P802.11ax_D4.0 section 9.4.2.245
1683  */
1684 struct ieee80211_he_mu_edca_param_ac_rec {
1685         u8 aifsn;
1686         u8 ecw_min_max;
1687         u8 mu_edca_timer;
1688 } __packed;
1689
1690 /**
1691  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1692  *
1693  * This structure is the "MU EDCA Parameter Set element" fields as
1694  * described in P802.11ax_D4.0 section 9.4.2.245
1695  */
1696 struct ieee80211_mu_edca_param_set {
1697         u8 mu_qos_info;
1698         struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1699         struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1700         struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1701         struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1702 } __packed;
1703
1704 /* 802.11ac VHT Capabilities */
1705 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895                  0x00000000
1706 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991                  0x00000001
1707 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454                 0x00000002
1708 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK                         0x00000003
1709 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ                0x00000004
1710 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ       0x00000008
1711 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK                  0x0000000C
1712 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT                 2
1713 #define IEEE80211_VHT_CAP_RXLDPC                                0x00000010
1714 #define IEEE80211_VHT_CAP_SHORT_GI_80                           0x00000020
1715 #define IEEE80211_VHT_CAP_SHORT_GI_160                          0x00000040
1716 #define IEEE80211_VHT_CAP_TXSTBC                                0x00000080
1717 #define IEEE80211_VHT_CAP_RXSTBC_1                              0x00000100
1718 #define IEEE80211_VHT_CAP_RXSTBC_2                              0x00000200
1719 #define IEEE80211_VHT_CAP_RXSTBC_3                              0x00000300
1720 #define IEEE80211_VHT_CAP_RXSTBC_4                              0x00000400
1721 #define IEEE80211_VHT_CAP_RXSTBC_MASK                           0x00000700
1722 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT                          8
1723 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE                 0x00000800
1724 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE                 0x00001000
1725 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1726 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK                   \
1727                 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1728 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT             16
1729 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK              \
1730                 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1731 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE                 0x00080000
1732 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE                 0x00100000
1733 #define IEEE80211_VHT_CAP_VHT_TXOP_PS                           0x00200000
1734 #define IEEE80211_VHT_CAP_HTC_VHT                               0x00400000
1735 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT      23
1736 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK       \
1737                 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1738 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB     0x08000000
1739 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB       0x0c000000
1740 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN                    0x10000000
1741 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN                    0x20000000
1742 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT                      30
1743 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK                       0xc0000000
1744
1745 /**
1746  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1747  * @cap: VHT capabilities of the peer
1748  * @bw: bandwidth to use
1749  * @mcs: MCS index to use
1750  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1751  *      (rate scaling algorithm) can deal with the new logic
1752  *      (dot11VHTExtendedNSSBWCapable)
1753  *
1754  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1755  * vary for a given BW/MCS. This function parses the data.
1756  *
1757  * Note: This function is exported by cfg80211.
1758  */
1759 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1760                               enum ieee80211_vht_chanwidth bw,
1761                               int mcs, bool ext_nss_bw_capable);
1762
1763 /* 802.11ax HE MAC capabilities */
1764 #define IEEE80211_HE_MAC_CAP0_HTC_HE                            0x01
1765 #define IEEE80211_HE_MAC_CAP0_TWT_REQ                           0x02
1766 #define IEEE80211_HE_MAC_CAP0_TWT_RES                           0x04
1767 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP             0x00
1768 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1              0x08
1769 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2              0x10
1770 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3              0x18
1771 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK                 0x18
1772 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1               0x00
1773 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2               0x20
1774 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4               0x40
1775 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8               0x60
1776 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16              0x80
1777 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32              0xa0
1778 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64              0xc0
1779 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED       0xe0
1780 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK            0xe0
1781
1782 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED           0x00
1783 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128                 0x01
1784 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256                 0x02
1785 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512                 0x03
1786 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK                0x03
1787 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US                0x00
1788 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US                0x04
1789 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US               0x08
1790 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK               0x0c
1791 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1            0x00
1792 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2            0x10
1793 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3            0x20
1794 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4            0x30
1795 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5            0x40
1796 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6            0x50
1797 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7            0x60
1798 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8            0x70
1799 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK         0x70
1800
1801 /* Link adaptation is split between byte HE_MAC_CAP1 and
1802  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1803  * in which case the following values apply:
1804  * 0 = No feedback.
1805  * 1 = reserved.
1806  * 2 = Unsolicited feedback.
1807  * 3 = both
1808  */
1809 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION                   0x80
1810
1811 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION                   0x01
1812 #define IEEE80211_HE_MAC_CAP2_ALL_ACK                           0x02
1813 #define IEEE80211_HE_MAC_CAP2_TRS                               0x04
1814 #define IEEE80211_HE_MAC_CAP2_BSR                               0x08
1815 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT                         0x10
1816 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP                   0x20
1817 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING                      0x40
1818 #define IEEE80211_HE_MAC_CAP2_ACK_EN                            0x80
1819
1820 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL                       0x02
1821 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA                          0x04
1822
1823 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1824  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1825  * same field in the HE capabilities.
1826  */
1827 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1828 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1           0x08
1829 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2           0x10
1830 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED        0x18
1831 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK            0x18
1832 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG                        0x20
1833 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED                    0x40
1834 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS         0x80
1835
1836 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG              0x01
1837 #define IEEE80211_HE_MAC_CAP4_QTP                               0x02
1838 #define IEEE80211_HE_MAC_CAP4_BQR                               0x04
1839 #define IEEE80211_HE_MAC_CAP4_SRP_RESP                          0x08
1840 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP                        0x10
1841 #define IEEE80211_HE_MAC_CAP4_OPS                               0x20
1842 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU                    0x40
1843 /* Multi TID agg TX is split between byte #4 and #5
1844  * The value is a combination of B39,B40,B41
1845  */
1846 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39          0x80
1847
1848 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40          0x01
1849 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41          0x02
1850 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION    0x04
1851 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU                  0x08
1852 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX         0x10
1853 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS                  0x20
1854 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING                0x40
1855 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX              0x80
1856
1857 /* 802.11ax HE PHY capabilities */
1858 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G             0x02
1859 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G       0x04
1860 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G            0x08
1861 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G      0x10
1862 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G        0x20
1863 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G        0x40
1864 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK                    0xfe
1865
1866 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ  0x01
1867 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ  0x02
1868 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1869 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1870 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK                     0x0f
1871 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A                            0x10
1872 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD                    0x20
1873 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US          0x40
1874 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1875 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS                   0x80
1876
1877 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS                   0x01
1878 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US                      0x02
1879 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ                       0x04
1880 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ                       0x08
1881 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX                                0x10
1882 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX                                0x20
1883
1884 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1885  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1886  * case it indicates support for Tx.
1887  */
1888 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO                        0x40
1889 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO                     0x80
1890
1891 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM                   0x00
1892 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK                     0x01
1893 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK                     0x02
1894 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM                   0x03
1895 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK                     0x03
1896 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1                          0x00
1897 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2                          0x04
1898 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM                   0x00
1899 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK                     0x08
1900 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK                     0x10
1901 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM                   0x18
1902 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK                     0x18
1903 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1                          0x00
1904 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2                          0x20
1905 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA             0x40
1906 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER                             0x80
1907
1908 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE                             0x01
1909 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER                             0x02
1910
1911 /* Minimal allowed value of Max STS under 80MHz is 3 */
1912 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4          0x0c
1913 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5          0x10
1914 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6          0x14
1915 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7          0x18
1916 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8          0x1c
1917 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK       0x1c
1918
1919 /* Minimal allowed value of Max STS above 80MHz is 3 */
1920 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4          0x60
1921 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5          0x80
1922 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6          0xa0
1923 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7          0xc0
1924 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8          0xe0
1925 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK       0xe0
1926
1927 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1      0x00
1928 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2      0x01
1929 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3      0x02
1930 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4      0x03
1931 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5      0x04
1932 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6      0x05
1933 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7      0x06
1934 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8      0x07
1935 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK   0x07
1936
1937 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1      0x00
1938 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2      0x08
1939 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3      0x10
1940 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4      0x18
1941 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5      0x20
1942 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6      0x28
1943 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7      0x30
1944 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8      0x38
1945 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK   0x38
1946
1947 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK                          0x40
1948 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK                          0x80
1949
1950 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU                       0x01
1951 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU                       0x02
1952 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB                     0x04
1953 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB                     0x08
1954 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB                               0x10
1955 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE                      0x20
1956 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO               0x40
1957 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT                     0x80
1958
1959 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR                              0x01
1960 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR                     0x02
1961 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI          0x04
1962 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1                                  0x08
1963 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2                                  0x10
1964 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3                                  0x18
1965 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4                                  0x20
1966 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5                                  0x28
1967 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6                                  0x30
1968 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7                                  0x38
1969 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK                               0x38
1970 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ                       0x40
1971 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ                       0x80
1972
1973 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI          0x01
1974 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G              0x02
1975 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU                   0x04
1976 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU                   0x08
1977 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI               0x10
1978 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF               0x20
1979 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242                            0x00
1980 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484                            0x40
1981 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996                            0x80
1982 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996                          0xc0
1983 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK                           0xc0
1984
1985 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM              0x01
1986 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK                0x02
1987 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU         0x04
1988 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU         0x08
1989 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB     0x10
1990 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1991 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US                   0x00
1992 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US                   0x40
1993 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US                  0x80
1994 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED              0xc0
1995 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK                  0xc0
1996
1997 /* 802.11ax HE TX/RX MCS NSS Support  */
1998 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS                    (3)
1999 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS                      (6)
2000 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS                      (11)
2001 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK                     0x07c0
2002 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK                     0xf800
2003
2004 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2005 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2006         HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2007         HIGHEST_MCS_SUPPORTED_MCS8,
2008         HIGHEST_MCS_SUPPORTED_MCS9,
2009         HIGHEST_MCS_SUPPORTED_MCS10,
2010         HIGHEST_MCS_SUPPORTED_MCS11,
2011 };
2012
2013 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2014 static inline u8
2015 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2016 {
2017         u8 count = 4;
2018
2019         if (he_cap->phy_cap_info[0] &
2020             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2021                 count += 4;
2022
2023         if (he_cap->phy_cap_info[0] &
2024             IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2025                 count += 4;
2026
2027         return count;
2028 }
2029
2030 /* 802.11ax HE PPE Thresholds */
2031 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS                    (1)
2032 #define IEEE80211_PPE_THRES_NSS_POS                             (0)
2033 #define IEEE80211_PPE_THRES_NSS_MASK                            (7)
2034 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU   \
2035         (BIT(5) | BIT(6))
2036 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK               0x78
2037 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS                (3)
2038 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE                      (3)
2039
2040 /*
2041  * Calculate 802.11ax HE capabilities IE PPE field size
2042  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2043  */
2044 static inline u8
2045 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2046 {
2047         u8 n;
2048
2049         if ((phy_cap_info[6] &
2050              IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2051                 return 0;
2052
2053         n = hweight8(ppe_thres_hdr &
2054                      IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2055         n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2056                    IEEE80211_PPE_THRES_NSS_POS));
2057
2058         /*
2059          * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2060          * total size.
2061          */
2062         n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2063         n = DIV_ROUND_UP(n, 8);
2064
2065         return n;
2066 }
2067
2068 /* HE Operation defines */
2069 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK            0x00000003
2070 #define IEEE80211_HE_OPERATION_TWT_REQUIRED                     0x00000008
2071 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK               0x00003ff0
2072 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET             4
2073 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO                    0x00004000
2074 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS                    0x00008000
2075 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE                    0x00010000
2076 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO                     0x00020000
2077 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK                   0x3f000000
2078 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET                 24
2079 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR                0x40000000
2080 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED               0x80000000
2081
2082 /*
2083  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2084  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2085  *      after the ext ID byte. It is assumed that he_oper_ie has at least
2086  *      sizeof(struct ieee80211_he_operation) bytes, the caller must have
2087  *      validated this.
2088  * @return the actual size of the IE data (not including header), or 0 on error
2089  */
2090 static inline u8
2091 ieee80211_he_oper_size(const u8 *he_oper_ie)
2092 {
2093         struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2094         u8 oper_len = sizeof(struct ieee80211_he_operation);
2095         u32 he_oper_params;
2096
2097         /* Make sure the input is not NULL */
2098         if (!he_oper_ie)
2099                 return 0;
2100
2101         /* Calc required length */
2102         he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2103         if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2104                 oper_len += 3;
2105         if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2106                 oper_len++;
2107         if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2108                 oper_len += 4;
2109
2110         /* Add the first byte (extension ID) to the total length */
2111         oper_len++;
2112
2113         return oper_len;
2114 }
2115
2116 /* HE Spatial Reuse defines */
2117 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT                 0x4
2118 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT                0x8
2119
2120 /*
2121  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2122  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
2123  *      after the ext ID byte. It is assumed that he_spr_ie has at least
2124  *      sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2125  *      this
2126  * @return the actual size of the IE data (not including header), or 0 on error
2127  */
2128 static inline u8
2129 ieee80211_he_spr_size(const u8 *he_spr_ie)
2130 {
2131         struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2132         u8 spr_len = sizeof(struct ieee80211_he_spr);
2133         u32 he_spr_params;
2134
2135         /* Make sure the input is not NULL */
2136         if (!he_spr_ie)
2137                 return 0;
2138
2139         /* Calc required length */
2140         he_spr_params = le32_to_cpu(he_spr->he_sr_control);
2141         if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2142                 spr_len++;
2143         if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2144                 spr_len += 18;
2145
2146         /* Add the first byte (extension ID) to the total length */
2147         spr_len++;
2148
2149         return spr_len;
2150 }
2151
2152 /* Authentication algorithms */
2153 #define WLAN_AUTH_OPEN 0
2154 #define WLAN_AUTH_SHARED_KEY 1
2155 #define WLAN_AUTH_FT 2
2156 #define WLAN_AUTH_SAE 3
2157 #define WLAN_AUTH_FILS_SK 4
2158 #define WLAN_AUTH_FILS_SK_PFS 5
2159 #define WLAN_AUTH_FILS_PK 6
2160 #define WLAN_AUTH_LEAP 128
2161
2162 #define WLAN_AUTH_CHALLENGE_LEN 128
2163
2164 #define WLAN_CAPABILITY_ESS             (1<<0)
2165 #define WLAN_CAPABILITY_IBSS            (1<<1)
2166
2167 /*
2168  * A mesh STA sets the ESS and IBSS capability bits to zero.
2169  * however, this holds true for p2p probe responses (in the p2p_find
2170  * phase) as well.
2171  */
2172 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2173         (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2174
2175 #define WLAN_CAPABILITY_CF_POLLABLE     (1<<2)
2176 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2177 #define WLAN_CAPABILITY_PRIVACY         (1<<4)
2178 #define WLAN_CAPABILITY_SHORT_PREAMBLE  (1<<5)
2179 #define WLAN_CAPABILITY_PBCC            (1<<6)
2180 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2181
2182 /* 802.11h */
2183 #define WLAN_CAPABILITY_SPECTRUM_MGMT   (1<<8)
2184 #define WLAN_CAPABILITY_QOS             (1<<9)
2185 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2186 #define WLAN_CAPABILITY_APSD            (1<<11)
2187 #define WLAN_CAPABILITY_RADIO_MEASURE   (1<<12)
2188 #define WLAN_CAPABILITY_DSSS_OFDM       (1<<13)
2189 #define WLAN_CAPABILITY_DEL_BACK        (1<<14)
2190 #define WLAN_CAPABILITY_IMM_BACK        (1<<15)
2191
2192 /* DMG (60gHz) 802.11ad */
2193 /* type - bits 0..1 */
2194 #define WLAN_CAPABILITY_DMG_TYPE_MASK           (3<<0)
2195 #define WLAN_CAPABILITY_DMG_TYPE_IBSS           (1<<0) /* Tx by: STA */
2196 #define WLAN_CAPABILITY_DMG_TYPE_PBSS           (2<<0) /* Tx by: PCP */
2197 #define WLAN_CAPABILITY_DMG_TYPE_AP             (3<<0) /* Tx by: AP */
2198
2199 #define WLAN_CAPABILITY_DMG_CBAP_ONLY           (1<<2)
2200 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE         (1<<3)
2201 #define WLAN_CAPABILITY_DMG_PRIVACY             (1<<4)
2202 #define WLAN_CAPABILITY_DMG_ECPAC               (1<<5)
2203
2204 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT       (1<<8)
2205 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE       (1<<12)
2206
2207 /* measurement */
2208 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE       (1<<0)
2209 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE  (1<<1)
2210 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED    (1<<2)
2211
2212 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC      0
2213 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA        1
2214 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI        2
2215 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI        8
2216 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC      11
2217
2218 /* 802.11g ERP information element */
2219 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2220 #define WLAN_ERP_USE_PROTECTION (1<<1)
2221 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2222
2223 /* WLAN_ERP_BARKER_PREAMBLE values */
2224 enum {
2225         WLAN_ERP_PREAMBLE_SHORT = 0,
2226         WLAN_ERP_PREAMBLE_LONG = 1,
2227 };
2228
2229 /* Band ID, 802.11ad #8.4.1.45 */
2230 enum {
2231         IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2232         IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2233         IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2234         IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2235         IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2236         IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2237 };
2238
2239 /* Status codes */
2240 enum ieee80211_statuscode {
2241         WLAN_STATUS_SUCCESS = 0,
2242         WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2243         WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2244         WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2245         WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2246         WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2247         WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2248         WLAN_STATUS_CHALLENGE_FAIL = 15,
2249         WLAN_STATUS_AUTH_TIMEOUT = 16,
2250         WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2251         WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2252         /* 802.11b */
2253         WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2254         WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2255         WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2256         /* 802.11h */
2257         WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2258         WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2259         WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2260         /* 802.11g */
2261         WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2262         WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2263         /* 802.11w */
2264         WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2265         WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2266         /* 802.11i */
2267         WLAN_STATUS_INVALID_IE = 40,
2268         WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2269         WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2270         WLAN_STATUS_INVALID_AKMP = 43,
2271         WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2272         WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2273         WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2274         /* 802.11e */
2275         WLAN_STATUS_UNSPECIFIED_QOS = 32,
2276         WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2277         WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2278         WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2279         WLAN_STATUS_REQUEST_DECLINED = 37,
2280         WLAN_STATUS_INVALID_QOS_PARAM = 38,
2281         WLAN_STATUS_CHANGE_TSPEC = 39,
2282         WLAN_STATUS_WAIT_TS_DELAY = 47,
2283         WLAN_STATUS_NO_DIRECT_LINK = 48,
2284         WLAN_STATUS_STA_NOT_PRESENT = 49,
2285         WLAN_STATUS_STA_NOT_QSTA = 50,
2286         /* 802.11s */
2287         WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2288         WLAN_STATUS_FCG_NOT_SUPP = 78,
2289         WLAN_STATUS_STA_NO_TBTT = 78,
2290         /* 802.11ad */
2291         WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2292         WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2293         WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2294         WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2295         WLAN_STATUS_PERFORMING_FST_NOW = 87,
2296         WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2297         WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2298         WLAN_STATUS_REJECT_DSE_BAND = 96,
2299         WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2300         WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2301         /* 802.11ai */
2302         WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2303         WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2304 };
2305
2306
2307 /* Reason codes */
2308 enum ieee80211_reasoncode {
2309         WLAN_REASON_UNSPECIFIED = 1,
2310         WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2311         WLAN_REASON_DEAUTH_LEAVING = 3,
2312         WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2313         WLAN_REASON_DISASSOC_AP_BUSY = 5,
2314         WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2315         WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2316         WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2317         WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2318         /* 802.11h */
2319         WLAN_REASON_DISASSOC_BAD_POWER = 10,
2320         WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2321         /* 802.11i */
2322         WLAN_REASON_INVALID_IE = 13,
2323         WLAN_REASON_MIC_FAILURE = 14,
2324         WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2325         WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2326         WLAN_REASON_IE_DIFFERENT = 17,
2327         WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2328         WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2329         WLAN_REASON_INVALID_AKMP = 20,
2330         WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2331         WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2332         WLAN_REASON_IEEE8021X_FAILED = 23,
2333         WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2334         /* TDLS (802.11z) */
2335         WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2336         WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2337         /* 802.11e */
2338         WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2339         WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2340         WLAN_REASON_DISASSOC_LOW_ACK = 34,
2341         WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2342         WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2343         WLAN_REASON_QSTA_NOT_USE = 37,
2344         WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2345         WLAN_REASON_QSTA_TIMEOUT = 39,
2346         WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2347         /* 802.11s */
2348         WLAN_REASON_MESH_PEER_CANCELED = 52,
2349         WLAN_REASON_MESH_MAX_PEERS = 53,
2350         WLAN_REASON_MESH_CONFIG = 54,
2351         WLAN_REASON_MESH_CLOSE = 55,
2352         WLAN_REASON_MESH_MAX_RETRIES = 56,
2353         WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2354         WLAN_REASON_MESH_INVALID_GTK = 58,
2355         WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2356         WLAN_REASON_MESH_INVALID_SECURITY = 60,
2357         WLAN_REASON_MESH_PATH_ERROR = 61,
2358         WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2359         WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2360         WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2361         WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2362         WLAN_REASON_MESH_CHAN = 66,
2363 };
2364
2365
2366 /* Information Element IDs */
2367 enum ieee80211_eid {
2368         WLAN_EID_SSID = 0,
2369         WLAN_EID_SUPP_RATES = 1,
2370         WLAN_EID_FH_PARAMS = 2, /* reserved now */
2371         WLAN_EID_DS_PARAMS = 3,
2372         WLAN_EID_CF_PARAMS = 4,
2373         WLAN_EID_TIM = 5,
2374         WLAN_EID_IBSS_PARAMS = 6,
2375         WLAN_EID_COUNTRY = 7,
2376         /* 8, 9 reserved */
2377         WLAN_EID_REQUEST = 10,
2378         WLAN_EID_QBSS_LOAD = 11,
2379         WLAN_EID_EDCA_PARAM_SET = 12,
2380         WLAN_EID_TSPEC = 13,
2381         WLAN_EID_TCLAS = 14,
2382         WLAN_EID_SCHEDULE = 15,
2383         WLAN_EID_CHALLENGE = 16,
2384         /* 17-31 reserved for challenge text extension */
2385         WLAN_EID_PWR_CONSTRAINT = 32,
2386         WLAN_EID_PWR_CAPABILITY = 33,
2387         WLAN_EID_TPC_REQUEST = 34,
2388         WLAN_EID_TPC_REPORT = 35,
2389         WLAN_EID_SUPPORTED_CHANNELS = 36,
2390         WLAN_EID_CHANNEL_SWITCH = 37,
2391         WLAN_EID_MEASURE_REQUEST = 38,
2392         WLAN_EID_MEASURE_REPORT = 39,
2393         WLAN_EID_QUIET = 40,
2394         WLAN_EID_IBSS_DFS = 41,
2395         WLAN_EID_ERP_INFO = 42,
2396         WLAN_EID_TS_DELAY = 43,
2397         WLAN_EID_TCLAS_PROCESSING = 44,
2398         WLAN_EID_HT_CAPABILITY = 45,
2399         WLAN_EID_QOS_CAPA = 46,
2400         /* 47 reserved for Broadcom */
2401         WLAN_EID_RSN = 48,
2402         WLAN_EID_802_15_COEX = 49,
2403         WLAN_EID_EXT_SUPP_RATES = 50,
2404         WLAN_EID_AP_CHAN_REPORT = 51,
2405         WLAN_EID_NEIGHBOR_REPORT = 52,
2406         WLAN_EID_RCPI = 53,
2407         WLAN_EID_MOBILITY_DOMAIN = 54,
2408         WLAN_EID_FAST_BSS_TRANSITION = 55,
2409         WLAN_EID_TIMEOUT_INTERVAL = 56,
2410         WLAN_EID_RIC_DATA = 57,
2411         WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2412         WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2413         WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2414         WLAN_EID_HT_OPERATION = 61,
2415         WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2416         WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2417         WLAN_EID_ANTENNA_INFO = 64,
2418         WLAN_EID_RSNI = 65,
2419         WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2420         WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2421         WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2422         WLAN_EID_TIME_ADVERTISEMENT = 69,
2423         WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2424         WLAN_EID_MULTIPLE_BSSID = 71,
2425         WLAN_EID_BSS_COEX_2040 = 72,
2426         WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2427         WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2428         WLAN_EID_RIC_DESCRIPTOR = 75,
2429         WLAN_EID_MMIE = 76,
2430         WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2431         WLAN_EID_EVENT_REQUEST = 78,
2432         WLAN_EID_EVENT_REPORT = 79,
2433         WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2434         WLAN_EID_DIAGNOSTIC_REPORT = 81,
2435         WLAN_EID_LOCATION_PARAMS = 82,
2436         WLAN_EID_NON_TX_BSSID_CAP =  83,
2437         WLAN_EID_SSID_LIST = 84,
2438         WLAN_EID_MULTI_BSSID_IDX = 85,
2439         WLAN_EID_FMS_DESCRIPTOR = 86,
2440         WLAN_EID_FMS_REQUEST = 87,
2441         WLAN_EID_FMS_RESPONSE = 88,
2442         WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2443         WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2444         WLAN_EID_TSF_REQUEST = 91,
2445         WLAN_EID_TSF_RESPOSNE = 92,
2446         WLAN_EID_WNM_SLEEP_MODE = 93,
2447         WLAN_EID_TIM_BCAST_REQ = 94,
2448         WLAN_EID_TIM_BCAST_RESP = 95,
2449         WLAN_EID_COLL_IF_REPORT = 96,
2450         WLAN_EID_CHANNEL_USAGE = 97,
2451         WLAN_EID_TIME_ZONE = 98,
2452         WLAN_EID_DMS_REQUEST = 99,
2453         WLAN_EID_DMS_RESPONSE = 100,
2454         WLAN_EID_LINK_ID = 101,
2455         WLAN_EID_WAKEUP_SCHEDUL = 102,
2456         /* 103 reserved */
2457         WLAN_EID_CHAN_SWITCH_TIMING = 104,
2458         WLAN_EID_PTI_CONTROL = 105,
2459         WLAN_EID_PU_BUFFER_STATUS = 106,
2460         WLAN_EID_INTERWORKING = 107,
2461         WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2462         WLAN_EID_EXPEDITED_BW_REQ = 109,
2463         WLAN_EID_QOS_MAP_SET = 110,
2464         WLAN_EID_ROAMING_CONSORTIUM = 111,
2465         WLAN_EID_EMERGENCY_ALERT = 112,
2466         WLAN_EID_MESH_CONFIG = 113,
2467         WLAN_EID_MESH_ID = 114,
2468         WLAN_EID_LINK_METRIC_REPORT = 115,
2469         WLAN_EID_CONGESTION_NOTIFICATION = 116,
2470         WLAN_EID_PEER_MGMT = 117,
2471         WLAN_EID_CHAN_SWITCH_PARAM = 118,
2472         WLAN_EID_MESH_AWAKE_WINDOW = 119,
2473         WLAN_EID_BEACON_TIMING = 120,
2474         WLAN_EID_MCCAOP_SETUP_REQ = 121,
2475         WLAN_EID_MCCAOP_SETUP_RESP = 122,
2476         WLAN_EID_MCCAOP_ADVERT = 123,
2477         WLAN_EID_MCCAOP_TEARDOWN = 124,
2478         WLAN_EID_GANN = 125,
2479         WLAN_EID_RANN = 126,
2480         WLAN_EID_EXT_CAPABILITY = 127,
2481         /* 128, 129 reserved for Agere */
2482         WLAN_EID_PREQ = 130,
2483         WLAN_EID_PREP = 131,
2484         WLAN_EID_PERR = 132,
2485         /* 133-136 reserved for Cisco */
2486         WLAN_EID_PXU = 137,
2487         WLAN_EID_PXUC = 138,
2488         WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2489         WLAN_EID_MIC = 140,
2490         WLAN_EID_DESTINATION_URI = 141,
2491         WLAN_EID_UAPSD_COEX = 142,
2492         WLAN_EID_WAKEUP_SCHEDULE = 143,
2493         WLAN_EID_EXT_SCHEDULE = 144,
2494         WLAN_EID_STA_AVAILABILITY = 145,
2495         WLAN_EID_DMG_TSPEC = 146,
2496         WLAN_EID_DMG_AT = 147,
2497         WLAN_EID_DMG_CAP = 148,
2498         /* 149 reserved for Cisco */
2499         WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2500         WLAN_EID_DMG_OPERATION = 151,
2501         WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2502         WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2503         WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2504         /* 155-156 reserved for Cisco */
2505         WLAN_EID_AWAKE_WINDOW = 157,
2506         WLAN_EID_MULTI_BAND = 158,
2507         WLAN_EID_ADDBA_EXT = 159,
2508         WLAN_EID_NEXT_PCP_LIST = 160,
2509         WLAN_EID_PCP_HANDOVER = 161,
2510         WLAN_EID_DMG_LINK_MARGIN = 162,
2511         WLAN_EID_SWITCHING_STREAM = 163,
2512         WLAN_EID_SESSION_TRANSITION = 164,
2513         WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2514         WLAN_EID_CLUSTER_REPORT = 166,
2515         WLAN_EID_RELAY_CAP = 167,
2516         WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2517         WLAN_EID_BEAM_LINK_MAINT = 169,
2518         WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2519         WLAN_EID_U_PID = 171,
2520         WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2521         /* 173 reserved for Symbol */
2522         WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2523         WLAN_EID_QUIET_PERIOD_REQ = 175,
2524         /* 176 reserved for Symbol */
2525         WLAN_EID_QUIET_PERIOD_RESP = 177,
2526         /* 178-179 reserved for Symbol */
2527         /* 180 reserved for ISO/IEC 20011 */
2528         WLAN_EID_EPAC_POLICY = 182,
2529         WLAN_EID_CLISTER_TIME_OFF = 183,
2530         WLAN_EID_INTER_AC_PRIO = 184,
2531         WLAN_EID_SCS_DESCRIPTOR = 185,
2532         WLAN_EID_QLOAD_REPORT = 186,
2533         WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2534         WLAN_EID_HL_STREAM_ID = 188,
2535         WLAN_EID_GCR_GROUP_ADDR = 189,
2536         WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2537         WLAN_EID_VHT_CAPABILITY = 191,
2538         WLAN_EID_VHT_OPERATION = 192,
2539         WLAN_EID_EXTENDED_BSS_LOAD = 193,
2540         WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2541         WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2542         WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2543         WLAN_EID_AID = 197,
2544         WLAN_EID_QUIET_CHANNEL = 198,
2545         WLAN_EID_OPMODE_NOTIF = 199,
2546
2547         WLAN_EID_VENDOR_SPECIFIC = 221,
2548         WLAN_EID_QOS_PARAMETER = 222,
2549         WLAN_EID_CAG_NUMBER = 237,
2550         WLAN_EID_AP_CSN = 239,
2551         WLAN_EID_FILS_INDICATION = 240,
2552         WLAN_EID_DILS = 241,
2553         WLAN_EID_FRAGMENT = 242,
2554         WLAN_EID_EXTENSION = 255
2555 };
2556
2557 /* Element ID Extensions for Element ID 255 */
2558 enum ieee80211_eid_ext {
2559         WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2560         WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2561         WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2562         WLAN_EID_EXT_FILS_SESSION = 4,
2563         WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2564         WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2565         WLAN_EID_EXT_KEY_DELIVERY = 7,
2566         WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2567         WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2568         WLAN_EID_EXT_FILS_NONCE = 13,
2569         WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2570         WLAN_EID_EXT_HE_CAPABILITY = 35,
2571         WLAN_EID_EXT_HE_OPERATION = 36,
2572         WLAN_EID_EXT_UORA = 37,
2573         WLAN_EID_EXT_HE_MU_EDCA = 38,
2574         WLAN_EID_EXT_HE_SPR = 39,
2575         WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2576         WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2577         WLAN_EID_EXT_NON_INHERITANCE = 56,
2578 };
2579
2580 /* Action category code */
2581 enum ieee80211_category {
2582         WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2583         WLAN_CATEGORY_QOS = 1,
2584         WLAN_CATEGORY_DLS = 2,
2585         WLAN_CATEGORY_BACK = 3,
2586         WLAN_CATEGORY_PUBLIC = 4,
2587         WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2588         WLAN_CATEGORY_HT = 7,
2589         WLAN_CATEGORY_SA_QUERY = 8,
2590         WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2591         WLAN_CATEGORY_WNM = 10,
2592         WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2593         WLAN_CATEGORY_TDLS = 12,
2594         WLAN_CATEGORY_MESH_ACTION = 13,
2595         WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2596         WLAN_CATEGORY_SELF_PROTECTED = 15,
2597         WLAN_CATEGORY_DMG = 16,
2598         WLAN_CATEGORY_WMM = 17,
2599         WLAN_CATEGORY_FST = 18,
2600         WLAN_CATEGORY_UNPROT_DMG = 20,
2601         WLAN_CATEGORY_VHT = 21,
2602         WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2603         WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2604 };
2605
2606 /* SPECTRUM_MGMT action code */
2607 enum ieee80211_spectrum_mgmt_actioncode {
2608         WLAN_ACTION_SPCT_MSR_REQ = 0,
2609         WLAN_ACTION_SPCT_MSR_RPRT = 1,
2610         WLAN_ACTION_SPCT_TPC_REQ = 2,
2611         WLAN_ACTION_SPCT_TPC_RPRT = 3,
2612         WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2613 };
2614
2615 /* HT action codes */
2616 enum ieee80211_ht_actioncode {
2617         WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2618         WLAN_HT_ACTION_SMPS = 1,
2619         WLAN_HT_ACTION_PSMP = 2,
2620         WLAN_HT_ACTION_PCO_PHASE = 3,
2621         WLAN_HT_ACTION_CSI = 4,
2622         WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2623         WLAN_HT_ACTION_COMPRESSED_BF = 6,
2624         WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2625 };
2626
2627 /* VHT action codes */
2628 enum ieee80211_vht_actioncode {
2629         WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2630         WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2631         WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2632 };
2633
2634 /* Self Protected Action codes */
2635 enum ieee80211_self_protected_actioncode {
2636         WLAN_SP_RESERVED = 0,
2637         WLAN_SP_MESH_PEERING_OPEN = 1,
2638         WLAN_SP_MESH_PEERING_CONFIRM = 2,
2639         WLAN_SP_MESH_PEERING_CLOSE = 3,
2640         WLAN_SP_MGK_INFORM = 4,
2641         WLAN_SP_MGK_ACK = 5,
2642 };
2643
2644 /* Mesh action codes */
2645 enum ieee80211_mesh_actioncode {
2646         WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2647         WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2648         WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2649         WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2650         WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2651         WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2652         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2653         WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2654         WLAN_MESH_ACTION_MCCA_TEARDOWN,
2655         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2656         WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2657 };
2658
2659 /* Security key length */
2660 enum ieee80211_key_len {
2661         WLAN_KEY_LEN_WEP40 = 5,
2662         WLAN_KEY_LEN_WEP104 = 13,
2663         WLAN_KEY_LEN_CCMP = 16,
2664         WLAN_KEY_LEN_CCMP_256 = 32,
2665         WLAN_KEY_LEN_TKIP = 32,
2666         WLAN_KEY_LEN_AES_CMAC = 16,
2667         WLAN_KEY_LEN_SMS4 = 32,
2668         WLAN_KEY_LEN_GCMP = 16,
2669         WLAN_KEY_LEN_GCMP_256 = 32,
2670         WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2671         WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2672         WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2673 };
2674
2675 #define IEEE80211_WEP_IV_LEN            4
2676 #define IEEE80211_WEP_ICV_LEN           4
2677 #define IEEE80211_CCMP_HDR_LEN          8
2678 #define IEEE80211_CCMP_MIC_LEN          8
2679 #define IEEE80211_CCMP_PN_LEN           6
2680 #define IEEE80211_CCMP_256_HDR_LEN      8
2681 #define IEEE80211_CCMP_256_MIC_LEN      16
2682 #define IEEE80211_CCMP_256_PN_LEN       6
2683 #define IEEE80211_TKIP_IV_LEN           8
2684 #define IEEE80211_TKIP_ICV_LEN          4
2685 #define IEEE80211_CMAC_PN_LEN           6
2686 #define IEEE80211_GMAC_PN_LEN           6
2687 #define IEEE80211_GCMP_HDR_LEN          8
2688 #define IEEE80211_GCMP_MIC_LEN          16
2689 #define IEEE80211_GCMP_PN_LEN           6
2690
2691 #define FILS_NONCE_LEN                  16
2692 #define FILS_MAX_KEK_LEN                64
2693
2694 #define FILS_ERP_MAX_USERNAME_LEN       16
2695 #define FILS_ERP_MAX_REALM_LEN          253
2696 #define FILS_ERP_MAX_RRK_LEN            64
2697
2698 #define PMK_MAX_LEN                     64
2699 #define SAE_PASSWORD_MAX_LEN            128
2700
2701 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2702 enum ieee80211_pub_actioncode {
2703         WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2704         WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2705         WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2706         WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2707         WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2708         WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2709         WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2710         WLAN_PUB_ACTION_MSMT_PILOT = 7,
2711         WLAN_PUB_ACTION_DSE_PC = 8,
2712         WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2713         WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2714         WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2715         WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2716         WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2717         WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2718         WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2719         WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2720         WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2721         WLAN_PUB_ACTION_QMF_POLICY = 18,
2722         WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2723         WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2724         WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2725         WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2726         WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2727         WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2728         WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2729         WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2730         WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2731         WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2732         WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2733         WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2734         WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2735         WLAN_PUB_ACTION_FTM_REQUEST = 32,
2736         WLAN_PUB_ACTION_FTM = 33,
2737         WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2738 };
2739
2740 /* TDLS action codes */
2741 enum ieee80211_tdls_actioncode {
2742         WLAN_TDLS_SETUP_REQUEST = 0,
2743         WLAN_TDLS_SETUP_RESPONSE = 1,
2744         WLAN_TDLS_SETUP_CONFIRM = 2,
2745         WLAN_TDLS_TEARDOWN = 3,
2746         WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2747         WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2748         WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2749         WLAN_TDLS_PEER_PSM_REQUEST = 7,
2750         WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2751         WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2752         WLAN_TDLS_DISCOVERY_REQUEST = 10,
2753 };
2754
2755 /* Extended Channel Switching capability to be set in the 1st byte of
2756  * the @WLAN_EID_EXT_CAPABILITY information element
2757  */
2758 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING    BIT(2)
2759
2760 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2761  * @WLAN_EID_EXT_CAPABILITY information element
2762  */
2763 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT      BIT(6)
2764
2765 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2766 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA          BIT(4)
2767 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM            BIT(5)
2768 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH         BIT(6)
2769
2770 /* Interworking capabilities are set in 7th bit of 4th byte of the
2771  * @WLAN_EID_EXT_CAPABILITY information element
2772  */
2773 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED     BIT(7)
2774
2775 /*
2776  * TDLS capabililites to be enabled in the 5th byte of the
2777  * @WLAN_EID_EXT_CAPABILITY information element
2778  */
2779 #define WLAN_EXT_CAPA5_TDLS_ENABLED     BIT(5)
2780 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED  BIT(6)
2781 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED    BIT(7)
2782
2783 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED     BIT(5)
2784 #define WLAN_EXT_CAPA8_OPMODE_NOTIF     BIT(6)
2785
2786 /* Defines the maximal number of MSDUs in an A-MSDU. */
2787 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB    BIT(7)
2788 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB    BIT(0)
2789
2790 /*
2791  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2792  * information element
2793  */
2794 #define WLAN_EXT_CAPA9_FTM_INITIATOR    BIT(7)
2795
2796 /* Defines support for TWT Requester and TWT Responder */
2797 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT   BIT(5)
2798 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT   BIT(6)
2799
2800 /*
2801  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2802  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2803  * 26-tone RU UL OFDMA transmissions as radar pulses).
2804  */
2805 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2806
2807 /* Defines support for enhanced multi-bssid advertisement*/
2808 #define WLAN_EXT_CAPA11_EMA_SUPPORT     BIT(1)
2809
2810 /* TDLS specific payload type in the LLC/SNAP header */
2811 #define WLAN_TDLS_SNAP_RFTYPE   0x2
2812
2813 /* BSS Coex IE information field bits */
2814 #define WLAN_BSS_COEX_INFORMATION_REQUEST       BIT(0)
2815
2816 /**
2817  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2818  *
2819  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2820  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2821  *      that will be specified in a vendor specific information element
2822  */
2823 enum ieee80211_mesh_sync_method {
2824         IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2825         IEEE80211_SYNC_METHOD_VENDOR = 255,
2826 };
2827
2828 /**
2829  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2830  *
2831  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2832  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2833  *      be specified in a vendor specific information element
2834  */
2835 enum ieee80211_mesh_path_protocol {
2836         IEEE80211_PATH_PROTOCOL_HWMP = 1,
2837         IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2838 };
2839
2840 /**
2841  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2842  *
2843  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2844  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2845  *      specified in a vendor specific information element
2846  */
2847 enum ieee80211_mesh_path_metric {
2848         IEEE80211_PATH_METRIC_AIRTIME = 1,
2849         IEEE80211_PATH_METRIC_VENDOR = 255,
2850 };
2851
2852 /**
2853  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2854  *
2855  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2856  *
2857  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2858  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2859  *      this value
2860  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2861  *      the proactive PREQ with proactive PREP subfield set to 0
2862  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2863  *      supports the proactive PREQ with proactive PREP subfield set to 1
2864  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2865  *      the proactive RANN
2866  */
2867 enum ieee80211_root_mode_identifier {
2868         IEEE80211_ROOTMODE_NO_ROOT = 0,
2869         IEEE80211_ROOTMODE_ROOT = 1,
2870         IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2871         IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2872         IEEE80211_PROACTIVE_RANN = 4,
2873 };
2874
2875 /*
2876  * IEEE 802.11-2007 7.3.2.9 Country information element
2877  *
2878  * Minimum length is 8 octets, ie len must be evenly
2879  * divisible by 2
2880  */
2881
2882 /* Although the spec says 8 I'm seeing 6 in practice */
2883 #define IEEE80211_COUNTRY_IE_MIN_LEN    6
2884
2885 /* The Country String field of the element shall be 3 octets in length */
2886 #define IEEE80211_COUNTRY_STRING_LEN    3
2887
2888 /*
2889  * For regulatory extension stuff see IEEE 802.11-2007
2890  * Annex I (page 1141) and Annex J (page 1147). Also
2891  * review 7.3.2.9.
2892  *
2893  * When dot11RegulatoryClassesRequired is true and the
2894  * first_channel/reg_extension_id is >= 201 then the IE
2895  * compromises of the 'ext' struct represented below:
2896  *
2897  *  - Regulatory extension ID - when generating IE this just needs
2898  *    to be monotonically increasing for each triplet passed in
2899  *    the IE
2900  *  - Regulatory class - index into set of rules
2901  *  - Coverage class - index into air propagation time (Table 7-27),
2902  *    in microseconds, you can compute the air propagation time from
2903  *    the index by multiplying by 3, so index 10 yields a propagation
2904  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2905  *    yet. A value of 0 inicates air propagation of <= 1 us.
2906  *
2907  *  See also Table I.2 for Emission limit sets and table
2908  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2909  *  a reg_class to an emission limit set and behavior limit set.
2910  */
2911 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2912
2913 /*
2914  *  Channels numbers in the IE must be monotonically increasing
2915  *  if dot11RegulatoryClassesRequired is not true.
2916  *
2917  *  If dot11RegulatoryClassesRequired is true consecutive
2918  *  subband triplets following a regulatory triplet shall
2919  *  have monotonically increasing first_channel number fields.
2920  *
2921  *  Channel numbers shall not overlap.
2922  *
2923  *  Note that max_power is signed.
2924  */
2925 struct ieee80211_country_ie_triplet {
2926         union {
2927                 struct {
2928                         u8 first_channel;
2929                         u8 num_channels;
2930                         s8 max_power;
2931                 } __packed chans;
2932                 struct {
2933                         u8 reg_extension_id;
2934                         u8 reg_class;
2935                         u8 coverage_class;
2936                 } __packed ext;
2937         };
2938 } __packed;
2939
2940 enum ieee80211_timeout_interval_type {
2941         WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2942         WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2943         WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2944 };
2945
2946 /**
2947  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2948  * @type: type, see &enum ieee80211_timeout_interval_type
2949  * @value: timeout interval value
2950  */
2951 struct ieee80211_timeout_interval_ie {
2952         u8 type;
2953         __le32 value;
2954 } __packed;
2955
2956 /**
2957  * enum ieee80211_idle_options - BSS idle options
2958  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2959  *      protected frame to the AP to reset the idle timer at the AP for
2960  *      the station.
2961  */
2962 enum ieee80211_idle_options {
2963         WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2964 };
2965
2966 /**
2967  * struct ieee80211_bss_max_idle_period_ie
2968  *
2969  * This structure refers to "BSS Max idle period element"
2970  *
2971  * @max_idle_period: indicates the time period during which a station can
2972  *      refrain from transmitting frames to its associated AP without being
2973  *      disassociated. In units of 1000 TUs.
2974  * @idle_options: indicates the options associated with the BSS idle capability
2975  *      as specified in &enum ieee80211_idle_options.
2976  */
2977 struct ieee80211_bss_max_idle_period_ie {
2978         __le16 max_idle_period;
2979         u8 idle_options;
2980 } __packed;
2981
2982 /* BACK action code */
2983 enum ieee80211_back_actioncode {
2984         WLAN_ACTION_ADDBA_REQ = 0,
2985         WLAN_ACTION_ADDBA_RESP = 1,
2986         WLAN_ACTION_DELBA = 2,
2987 };
2988
2989 /* BACK (block-ack) parties */
2990 enum ieee80211_back_parties {
2991         WLAN_BACK_RECIPIENT = 0,
2992         WLAN_BACK_INITIATOR = 1,
2993 };
2994
2995 /* SA Query action */
2996 enum ieee80211_sa_query_action {
2997         WLAN_ACTION_SA_QUERY_REQUEST = 0,
2998         WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2999 };
3000
3001 /**
3002  * struct ieee80211_bssid_index
3003  *
3004  * This structure refers to "Multiple BSSID-index element"
3005  *
3006  * @bssid_index: BSSID index
3007  * @dtim_period: optional, overrides transmitted BSS dtim period
3008  * @dtim_count: optional, overrides transmitted BSS dtim count
3009  */
3010 struct ieee80211_bssid_index {
3011         u8 bssid_index;
3012         u8 dtim_period;
3013         u8 dtim_count;
3014 };
3015
3016 /**
3017  * struct ieee80211_multiple_bssid_configuration
3018  *
3019  * This structure refers to "Multiple BSSID Configuration element"
3020  *
3021  * @bssid_count: total number of active BSSIDs in the set
3022  * @profile_periodicity: the least number of beacon frames need to be received
3023  *      in order to discover all the nontransmitted BSSIDs in the set.
3024  */
3025 struct ieee80211_multiple_bssid_configuration {
3026         u8 bssid_count;
3027         u8 profile_periodicity;
3028 };
3029
3030 #define SUITE(oui, id) (((oui) << 8) | (id))
3031
3032 /* cipher suite selectors */
3033 #define WLAN_CIPHER_SUITE_USE_GROUP     SUITE(0x000FAC, 0)
3034 #define WLAN_CIPHER_SUITE_WEP40         SUITE(0x000FAC, 1)
3035 #define WLAN_CIPHER_SUITE_TKIP          SUITE(0x000FAC, 2)
3036 /* reserved:                            SUITE(0x000FAC, 3) */
3037 #define WLAN_CIPHER_SUITE_CCMP          SUITE(0x000FAC, 4)
3038 #define WLAN_CIPHER_SUITE_WEP104        SUITE(0x000FAC, 5)
3039 #define WLAN_CIPHER_SUITE_AES_CMAC      SUITE(0x000FAC, 6)
3040 #define WLAN_CIPHER_SUITE_GCMP          SUITE(0x000FAC, 8)
3041 #define WLAN_CIPHER_SUITE_GCMP_256      SUITE(0x000FAC, 9)
3042 #define WLAN_CIPHER_SUITE_CCMP_256      SUITE(0x000FAC, 10)
3043 #define WLAN_CIPHER_SUITE_BIP_GMAC_128  SUITE(0x000FAC, 11)
3044 #define WLAN_CIPHER_SUITE_BIP_GMAC_256  SUITE(0x000FAC, 12)
3045 #define WLAN_CIPHER_SUITE_BIP_CMAC_256  SUITE(0x000FAC, 13)
3046
3047 #define WLAN_CIPHER_SUITE_SMS4          SUITE(0x001472, 1)
3048
3049 /* AKM suite selectors */
3050 #define WLAN_AKM_SUITE_8021X                    SUITE(0x000FAC, 1)
3051 #define WLAN_AKM_SUITE_PSK                      SUITE(0x000FAC, 2)
3052 #define WLAN_AKM_SUITE_FT_8021X                 SUITE(0x000FAC, 3)
3053 #define WLAN_AKM_SUITE_FT_PSK                   SUITE(0x000FAC, 4)
3054 #define WLAN_AKM_SUITE_8021X_SHA256             SUITE(0x000FAC, 5)
3055 #define WLAN_AKM_SUITE_PSK_SHA256               SUITE(0x000FAC, 6)
3056 #define WLAN_AKM_SUITE_TDLS                     SUITE(0x000FAC, 7)
3057 #define WLAN_AKM_SUITE_SAE                      SUITE(0x000FAC, 8)
3058 #define WLAN_AKM_SUITE_FT_OVER_SAE              SUITE(0x000FAC, 9)
3059 #define WLAN_AKM_SUITE_8021X_SUITE_B            SUITE(0x000FAC, 11)
3060 #define WLAN_AKM_SUITE_8021X_SUITE_B_192        SUITE(0x000FAC, 12)
3061 #define WLAN_AKM_SUITE_FILS_SHA256              SUITE(0x000FAC, 14)
3062 #define WLAN_AKM_SUITE_FILS_SHA384              SUITE(0x000FAC, 15)
3063 #define WLAN_AKM_SUITE_FT_FILS_SHA256           SUITE(0x000FAC, 16)
3064 #define WLAN_AKM_SUITE_FT_FILS_SHA384           SUITE(0x000FAC, 17)
3065
3066 #define WLAN_MAX_KEY_LEN                32
3067
3068 #define WLAN_PMK_NAME_LEN               16
3069 #define WLAN_PMKID_LEN                  16
3070 #define WLAN_PMK_LEN_EAP_LEAP           16
3071 #define WLAN_PMK_LEN                    32
3072 #define WLAN_PMK_LEN_SUITE_B_192        48
3073
3074 #define WLAN_OUI_WFA                    0x506f9a
3075 #define WLAN_OUI_TYPE_WFA_P2P           9
3076 #define WLAN_OUI_MICROSOFT              0x0050f2
3077 #define WLAN_OUI_TYPE_MICROSOFT_WPA     1
3078 #define WLAN_OUI_TYPE_MICROSOFT_WMM     2
3079 #define WLAN_OUI_TYPE_MICROSOFT_WPS     4
3080 #define WLAN_OUI_TYPE_MICROSOFT_TPC     8
3081
3082 /*
3083  * WMM/802.11e Tspec Element
3084  */
3085 #define IEEE80211_WMM_IE_TSPEC_TID_MASK         0x0F
3086 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT        1
3087
3088 enum ieee80211_tspec_status_code {
3089         IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3090         IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3091 };
3092
3093 struct ieee80211_tspec_ie {
3094         u8 element_id;
3095         u8 len;
3096         u8 oui[3];
3097         u8 oui_type;
3098         u8 oui_subtype;
3099         u8 version;
3100         __le16 tsinfo;
3101         u8 tsinfo_resvd;
3102         __le16 nominal_msdu;
3103         __le16 max_msdu;
3104         __le32 min_service_int;
3105         __le32 max_service_int;
3106         __le32 inactivity_int;
3107         __le32 suspension_int;
3108         __le32 service_start_time;
3109         __le32 min_data_rate;
3110         __le32 mean_data_rate;
3111         __le32 peak_data_rate;
3112         __le32 max_burst_size;
3113         __le32 delay_bound;
3114         __le32 min_phy_rate;
3115         __le16 sba;
3116         __le16 medium_time;
3117 } __packed;
3118
3119 /**
3120  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3121  * @hdr: the frame
3122  *
3123  * The qos ctrl bytes come after the frame_control, duration, seq_num
3124  * and 3 or 4 addresses of length ETH_ALEN.
3125  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3126  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3127  */
3128 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3129 {
3130         if (ieee80211_has_a4(hdr->frame_control))
3131                 return (u8 *)hdr + 30;
3132         else
3133                 return (u8 *)hdr + 24;
3134 }
3135
3136 /**
3137  * ieee80211_get_tid - get qos TID
3138  * @hdr: the frame
3139  */
3140 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3141 {
3142         u8 *qc = ieee80211_get_qos_ctl(hdr);
3143
3144         return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3145 }
3146
3147 /**
3148  * ieee80211_get_SA - get pointer to SA
3149  * @hdr: the frame
3150  *
3151  * Given an 802.11 frame, this function returns the offset
3152  * to the source address (SA). It does not verify that the
3153  * header is long enough to contain the address, and the
3154  * header must be long enough to contain the frame control
3155  * field.
3156  */
3157 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3158 {
3159         if (ieee80211_has_a4(hdr->frame_control))
3160                 return hdr->addr4;
3161         if (ieee80211_has_fromds(hdr->frame_control))
3162                 return hdr->addr3;
3163         return hdr->addr2;
3164 }
3165
3166 /**
3167  * ieee80211_get_DA - get pointer to DA
3168  * @hdr: the frame
3169  *
3170  * Given an 802.11 frame, this function returns the offset
3171  * to the destination address (DA). It does not verify that
3172  * the header is long enough to contain the address, and the
3173  * header must be long enough to contain the frame control
3174  * field.
3175  */
3176 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3177 {
3178         if (ieee80211_has_tods(hdr->frame_control))
3179                 return hdr->addr3;
3180         else
3181                 return hdr->addr1;
3182 }
3183
3184 /**
3185  * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3186  * @hdr: the frame (buffer must include at least the first octet of payload)
3187  */
3188 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3189 {
3190         if (ieee80211_is_disassoc(hdr->frame_control) ||
3191             ieee80211_is_deauth(hdr->frame_control))
3192                 return true;
3193
3194         if (ieee80211_is_action(hdr->frame_control)) {
3195                 u8 *category;
3196
3197                 /*
3198                  * Action frames, excluding Public Action frames, are Robust
3199                  * Management Frames. However, if we are looking at a Protected
3200                  * frame, skip the check since the data may be encrypted and
3201                  * the frame has already been found to be a Robust Management
3202                  * Frame (by the other end).
3203                  */
3204                 if (ieee80211_has_protected(hdr->frame_control))
3205                         return true;
3206                 category = ((u8 *) hdr) + 24;
3207                 return *category != WLAN_CATEGORY_PUBLIC &&
3208                         *category != WLAN_CATEGORY_HT &&
3209                         *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3210                         *category != WLAN_CATEGORY_SELF_PROTECTED &&
3211                         *category != WLAN_CATEGORY_UNPROT_DMG &&
3212                         *category != WLAN_CATEGORY_VHT &&
3213                         *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3214         }
3215
3216         return false;
3217 }
3218
3219 /**
3220  * ieee80211_is_public_action - check if frame is a public action frame
3221  * @hdr: the frame
3222  * @len: length of the frame
3223  */
3224 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3225                                               size_t len)
3226 {
3227         struct ieee80211_mgmt *mgmt = (void *)hdr;
3228
3229         if (len < IEEE80211_MIN_ACTION_SIZE)
3230                 return false;
3231         if (!ieee80211_is_action(hdr->frame_control))
3232                 return false;
3233         return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3234 }
3235
3236 static inline bool is_multicast_ether_addr(const u8 *a)
3237 {
3238         return 0x01 & a[0];
3239 }
3240
3241 /**
3242  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3243  * privacy action frame
3244  * @hdr: the frame
3245  */
3246 static inline bool ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3247 {
3248         struct ieee80211_mgmt *mgmt = (void *)hdr;
3249
3250         if (!ieee80211_is_action(hdr->frame_control) ||
3251             !is_multicast_ether_addr(hdr->addr1))
3252                 return false;
3253
3254         return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3255                mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3256 }
3257
3258 /**
3259  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3260  * @tu: the TUs
3261  */
3262 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3263 {
3264         return 1024 * tu;
3265 }
3266
3267 /**
3268  * ieee80211_check_tim - check if AID bit is set in TIM
3269  * @tim: the TIM IE
3270  * @tim_len: length of the TIM IE
3271  * @aid: the AID to look for
3272  */
3273 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3274                                        u8 tim_len, u16 aid)
3275 {
3276         u8 mask;
3277         u8 indexn0, indexn1, indexn2;
3278
3279         if (unlikely(!tim || tim_len < sizeof(*tim)))
3280                 return false;
3281
3282         aid &= 0x3fff;
3283         indexn0 = aid / 8;
3284         mask  = 1 << (aid & 7);
3285
3286         indexn1 = tim->bitmap_ctrl & 0xfe;
3287         indexn2 = tim_len + indexn1 - 4;
3288
3289         if (indexn0 < indexn1 || indexn0 > indexn2)
3290                 return false;
3291
3292         indexn0 -= indexn1;
3293
3294         return !!(tim->virtual_map[indexn0] & mask);
3295 }
3296
3297 /* convert time units */
3298 #define TU_TO_JIFFIES(x)       (usecs_to_jiffies((x) * 1024))
3299 #define TU_TO_EXP_TIME(x)      (jiffies + TU_TO_JIFFIES(x))
3300
3301 struct element {
3302         u8 id;
3303         u8 datalen;
3304         u8 data[];
3305 } __packed;
3306
3307 /* element iteration helpers */
3308 #define for_each_element(_elem, _data, _datalen)                        \
3309         for (_elem = (const struct element *)(_data);                   \
3310              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3311                 (int)sizeof(*_elem) &&                                  \
3312              (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=    \
3313                 (int)sizeof(*_elem) + _elem->datalen;                   \
3314              _elem = (const struct element *)(_elem->data + _elem->datalen))
3315
3316 #define for_each_element_id(element, _id, data, datalen)                \
3317         for_each_element(element, data, datalen)                        \
3318                 if (element->id == (_id))
3319
3320 #define for_each_element_extid(element, extid, _data, _datalen)         \
3321         for_each_element(element, _data, _datalen)                      \
3322                 if (element->id == WLAN_EID_EXTENSION &&                \
3323                     element->datalen > 0 &&                             \
3324                     element->data[0] == (extid))
3325
3326 #define for_each_subelement(sub, element)                               \
3327         for_each_element(sub, (element)->data, (element)->datalen)
3328
3329 #define for_each_subelement_id(sub, id, element)                        \
3330         for_each_element_id(sub, id, (element)->data, (element)->datalen)
3331
3332 #define for_each_subelement_extid(sub, extid, element)                  \
3333         for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3334
3335 /**
3336  * for_each_element_completed - determine if element parsing consumed all data
3337  * @element: element pointer after for_each_element() or friends
3338  * @data: same data pointer as passed to for_each_element() or friends
3339  * @datalen: same data length as passed to for_each_element() or friends
3340  *
3341  * This function returns %true if all the data was parsed or considered
3342  * while walking the elements. Only use this if your for_each_element()
3343  * loop cannot be broken out of, otherwise it always returns %false.
3344  *
3345  * If some data was malformed, this returns %false since the last parsed
3346  * element will not fill the whole remaining data.
3347  */
3348 static inline bool for_each_element_completed(const struct element *element,
3349                                               const void *data, size_t datalen)
3350 {
3351         return (const u8 *)element == (const u8 *)data + datalen;
3352 }
3353
3354 #endif /* __LINUX_IEEE80211_H */