xref: /openbmc/linux/include/linux/ieee80211.h (revision ed354c69dd370ebac8c438d3570aade296afce05)
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 - 2022 Intel Corporation
13  */
14 
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17 
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <asm/unaligned.h>
24 
25 /*
26  * DS bit usage
27  *
28  * TA = transmitter address
29  * RA = receiver address
30  * DA = destination address
31  * SA = source address
32  *
33  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
34  * -----------------------------------------------------------------
35  *  0       0       DA      SA      BSSID   -       IBSS/DLS
36  *  0       1       DA      BSSID   SA      -       AP -> STA
37  *  1       0       BSSID   SA      DA      -       AP <- STA
38  *  1       1       RA      TA      DA      SA      unspecified (WDS)
39  */
40 
41 #define FCS_LEN 4
42 
43 #define IEEE80211_FCTL_VERS		0x0003
44 #define IEEE80211_FCTL_FTYPE		0x000c
45 #define IEEE80211_FCTL_STYPE		0x00f0
46 #define IEEE80211_FCTL_TODS		0x0100
47 #define IEEE80211_FCTL_FROMDS		0x0200
48 #define IEEE80211_FCTL_MOREFRAGS	0x0400
49 #define IEEE80211_FCTL_RETRY		0x0800
50 #define IEEE80211_FCTL_PM		0x1000
51 #define IEEE80211_FCTL_MOREDATA		0x2000
52 #define IEEE80211_FCTL_PROTECTED	0x4000
53 #define IEEE80211_FCTL_ORDER		0x8000
54 #define IEEE80211_FCTL_CTL_EXT		0x0f00
55 
56 #define IEEE80211_SCTL_FRAG		0x000F
57 #define IEEE80211_SCTL_SEQ		0xFFF0
58 
59 #define IEEE80211_FTYPE_MGMT		0x0000
60 #define IEEE80211_FTYPE_CTL		0x0004
61 #define IEEE80211_FTYPE_DATA		0x0008
62 #define IEEE80211_FTYPE_EXT		0x000c
63 
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ	0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP	0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ	0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP	0x0030
69 #define IEEE80211_STYPE_PROBE_REQ	0x0040
70 #define IEEE80211_STYPE_PROBE_RESP	0x0050
71 #define IEEE80211_STYPE_BEACON		0x0080
72 #define IEEE80211_STYPE_ATIM		0x0090
73 #define IEEE80211_STYPE_DISASSOC	0x00A0
74 #define IEEE80211_STYPE_AUTH		0x00B0
75 #define IEEE80211_STYPE_DEAUTH		0x00C0
76 #define IEEE80211_STYPE_ACTION		0x00D0
77 
78 /* control */
79 #define IEEE80211_STYPE_TRIGGER		0x0020
80 #define IEEE80211_STYPE_CTL_EXT		0x0060
81 #define IEEE80211_STYPE_BACK_REQ	0x0080
82 #define IEEE80211_STYPE_BACK		0x0090
83 #define IEEE80211_STYPE_PSPOLL		0x00A0
84 #define IEEE80211_STYPE_RTS		0x00B0
85 #define IEEE80211_STYPE_CTS		0x00C0
86 #define IEEE80211_STYPE_ACK		0x00D0
87 #define IEEE80211_STYPE_CFEND		0x00E0
88 #define IEEE80211_STYPE_CFENDACK	0x00F0
89 
90 /* data */
91 #define IEEE80211_STYPE_DATA			0x0000
92 #define IEEE80211_STYPE_DATA_CFACK		0x0010
93 #define IEEE80211_STYPE_DATA_CFPOLL		0x0020
94 #define IEEE80211_STYPE_DATA_CFACKPOLL		0x0030
95 #define IEEE80211_STYPE_NULLFUNC		0x0040
96 #define IEEE80211_STYPE_CFACK			0x0050
97 #define IEEE80211_STYPE_CFPOLL			0x0060
98 #define IEEE80211_STYPE_CFACKPOLL		0x0070
99 #define IEEE80211_STYPE_QOS_DATA		0x0080
100 #define IEEE80211_STYPE_QOS_DATA_CFACK		0x0090
101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0
102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0
103 #define IEEE80211_STYPE_QOS_NULLFUNC		0x00C0
104 #define IEEE80211_STYPE_QOS_CFACK		0x00D0
105 #define IEEE80211_STYPE_QOS_CFPOLL		0x00E0
106 #define IEEE80211_STYPE_QOS_CFACKPOLL		0x00F0
107 
108 /* extension, added by 802.11ad */
109 #define IEEE80211_STYPE_DMG_BEACON		0x0000
110 #define IEEE80211_STYPE_S1G_BEACON		0x0010
111 
112 /* bits unique to S1G beacon */
113 #define IEEE80211_S1G_BCN_NEXT_TBTT	0x100
114 
115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
116 #define IEEE80211_S1G_1MHZ_NDP_BITS	25
117 #define IEEE80211_S1G_1MHZ_NDP_BYTES	4
118 #define IEEE80211_S1G_2MHZ_NDP_BITS	37
119 #define IEEE80211_S1G_2MHZ_NDP_BYTES	5
120 
121 #define IEEE80211_NDP_FTYPE_CTS			0
122 #define IEEE80211_NDP_FTYPE_CF_END		0
123 #define IEEE80211_NDP_FTYPE_PS_POLL		1
124 #define IEEE80211_NDP_FTYPE_ACK			2
125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK		3
126 #define IEEE80211_NDP_FTYPE_BA			4
127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL	5
128 #define IEEE80211_NDP_FTYPE_PAGING		6
129 #define IEEE80211_NDP_FTYPE_PREQ		7
130 
131 #define SM64(f, v)	((((u64)v) << f##_S) & f)
132 
133 /* NDP CMAC frame fields */
134 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
135 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
136 
137 /* 1M Probe Request 11ah 9.9.3.1.1 */
138 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
139 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
140 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
141 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
142 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
144 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
145 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
146 /* 2M Probe Request 11ah 9.9.3.1.2 */
147 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
148 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
149 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
150 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
151 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
153 
154 #define IEEE80211_ANO_NETTYPE_WILD              15
155 
156 /* bits unique to S1G beacon */
157 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
158 
159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
160 #define IEEE80211_CTL_EXT_POLL		0x2000
161 #define IEEE80211_CTL_EXT_SPR		0x3000
162 #define IEEE80211_CTL_EXT_GRANT	0x4000
163 #define IEEE80211_CTL_EXT_DMG_CTS	0x5000
164 #define IEEE80211_CTL_EXT_DMG_DTS	0x6000
165 #define IEEE80211_CTL_EXT_SSW		0x8000
166 #define IEEE80211_CTL_EXT_SSW_FBACK	0x9000
167 #define IEEE80211_CTL_EXT_SSW_ACK	0xa000
168 
169 
170 #define IEEE80211_SN_MASK		((IEEE80211_SCTL_SEQ) >> 4)
171 #define IEEE80211_MAX_SN		IEEE80211_SN_MASK
172 #define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)
173 
174 
175 /* PV1 Layout 11ah 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS		0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE	0x001c
178 #define IEEE80211_PV1_FCTL_STYPE	0x00e0
179 #define IEEE80211_PV1_FCTL_TODS		0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS	0x0200
181 #define IEEE80211_PV1_FCTL_PM		0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA	0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED	0x1000
184 #define IEEE80211_PV1_FCTL_END_SP       0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT	0x0f00
188 
189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190 {
191 	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192 }
193 
194 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
195 {
196 	return (sn1 + sn2) & IEEE80211_SN_MASK;
197 }
198 
199 static inline u16 ieee80211_sn_inc(u16 sn)
200 {
201 	return ieee80211_sn_add(sn, 1);
202 }
203 
204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
205 {
206 	return (sn1 - sn2) & IEEE80211_SN_MASK;
207 }
208 
209 #define IEEE80211_SEQ_TO_SN(seq)	(((seq) & IEEE80211_SCTL_SEQ) >> 4)
210 #define IEEE80211_SN_TO_SEQ(ssn)	(((ssn) << 4) & IEEE80211_SCTL_SEQ)
211 
212 /* miscellaneous IEEE 802.11 constants */
213 #define IEEE80211_MAX_FRAG_THRESHOLD	2352
214 #define IEEE80211_MAX_RTS_THRESHOLD	2353
215 #define IEEE80211_MAX_AID		2007
216 #define IEEE80211_MAX_AID_S1G		8191
217 #define IEEE80211_MAX_TIM_LEN		251
218 #define IEEE80211_MAX_MESH_PEERINGS	63
219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
220    6.2.1.1.2.
221 
222    802.11e clarifies the figure in section 7.1.2. The frame body is
223    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
224 #define IEEE80211_MAX_DATA_LEN		2304
225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
226  * to 7920 bytes, see 8.2.3 General frame format
227  */
228 #define IEEE80211_MAX_DATA_LEN_DMG	7920
229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
230 #define IEEE80211_MAX_FRAME_LEN		2352
231 
232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
233 #define IEEE80211_MAX_MPDU_LEN_HT_BA		4095
234 
235 /* Maximal size of an A-MSDU */
236 #define IEEE80211_MAX_MPDU_LEN_HT_3839		3839
237 #define IEEE80211_MAX_MPDU_LEN_HT_7935		7935
238 
239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895		3895
240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991		7991
241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454	11454
242 
243 #define IEEE80211_MAX_SSID_LEN		32
244 
245 #define IEEE80211_MAX_MESH_ID_LEN	32
246 
247 #define IEEE80211_FIRST_TSPEC_TSID	8
248 #define IEEE80211_NUM_TIDS		16
249 
250 /* number of user priorities 802.11 uses */
251 #define IEEE80211_NUM_UPS		8
252 /* number of ACs */
253 #define IEEE80211_NUM_ACS		4
254 
255 #define IEEE80211_QOS_CTL_LEN		2
256 /* 1d tag mask */
257 #define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
258 /* TID mask */
259 #define IEEE80211_QOS_CTL_TID_MASK		0x000f
260 /* EOSP */
261 #define IEEE80211_QOS_CTL_EOSP			0x0010
262 /* ACK policy */
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
268 /* A-MSDU 802.11n */
269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
270 /* Mesh Control 802.11s */
271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
272 
273 /* Mesh Power Save Level */
274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
275 /* Mesh Receiver Service Period Initiated */
276 #define IEEE80211_QOS_CTL_RSPI			0x0400
277 
278 /* U-APSD queue for WMM IEs sent by AP */
279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK	0x0f
281 
282 /* U-APSD queues for WMM IEs sent by STA */
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO	(1<<0)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI	(1<<1)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK	(1<<2)
286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE	(1<<3)
287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK	0x0f
288 
289 /* U-APSD max SP length for WMM IEs sent by STA */
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL	0x00
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2	0x01
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4	0x02
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6	0x03
294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK	0x03
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT	5
296 
297 #define IEEE80211_HT_CTL_LEN		4
298 
299 /* trigger type within common_info of trigger frame */
300 #define IEEE80211_TRIGGER_TYPE_MASK		0xf
301 #define IEEE80211_TRIGGER_TYPE_BASIC		0x0
302 #define IEEE80211_TRIGGER_TYPE_BFRP		0x1
303 #define IEEE80211_TRIGGER_TYPE_MU_BAR		0x2
304 #define IEEE80211_TRIGGER_TYPE_MU_RTS		0x3
305 #define IEEE80211_TRIGGER_TYPE_BSRP		0x4
306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR	0x5
307 #define IEEE80211_TRIGGER_TYPE_BQRP		0x6
308 #define IEEE80211_TRIGGER_TYPE_NFRP		0x7
309 
310 struct ieee80211_hdr {
311 	__le16 frame_control;
312 	__le16 duration_id;
313 	struct_group(addrs,
314 		u8 addr1[ETH_ALEN];
315 		u8 addr2[ETH_ALEN];
316 		u8 addr3[ETH_ALEN];
317 	);
318 	__le16 seq_ctrl;
319 	u8 addr4[ETH_ALEN];
320 } __packed __aligned(2);
321 
322 struct ieee80211_hdr_3addr {
323 	__le16 frame_control;
324 	__le16 duration_id;
325 	u8 addr1[ETH_ALEN];
326 	u8 addr2[ETH_ALEN];
327 	u8 addr3[ETH_ALEN];
328 	__le16 seq_ctrl;
329 } __packed __aligned(2);
330 
331 struct ieee80211_qos_hdr {
332 	__le16 frame_control;
333 	__le16 duration_id;
334 	u8 addr1[ETH_ALEN];
335 	u8 addr2[ETH_ALEN];
336 	u8 addr3[ETH_ALEN];
337 	__le16 seq_ctrl;
338 	__le16 qos_ctrl;
339 } __packed __aligned(2);
340 
341 struct ieee80211_qos_hdr_4addr {
342 	__le16 frame_control;
343 	__le16 duration_id;
344 	u8 addr1[ETH_ALEN];
345 	u8 addr2[ETH_ALEN];
346 	u8 addr3[ETH_ALEN];
347 	__le16 seq_ctrl;
348 	u8 addr4[ETH_ALEN];
349 	__le16 qos_ctrl;
350 } __packed __aligned(2);
351 
352 struct ieee80211_trigger {
353 	__le16 frame_control;
354 	__le16 duration;
355 	u8 ra[ETH_ALEN];
356 	u8 ta[ETH_ALEN];
357 	__le64 common_info;
358 	u8 variable[];
359 } __packed __aligned(2);
360 
361 /**
362  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
363  * @fc: frame control bytes in little-endian byteorder
364  */
365 static inline bool ieee80211_has_tods(__le16 fc)
366 {
367 	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
368 }
369 
370 /**
371  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
372  * @fc: frame control bytes in little-endian byteorder
373  */
374 static inline bool ieee80211_has_fromds(__le16 fc)
375 {
376 	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
377 }
378 
379 /**
380  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
381  * @fc: frame control bytes in little-endian byteorder
382  */
383 static inline bool ieee80211_has_a4(__le16 fc)
384 {
385 	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
386 	return (fc & tmp) == tmp;
387 }
388 
389 /**
390  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
391  * @fc: frame control bytes in little-endian byteorder
392  */
393 static inline bool ieee80211_has_morefrags(__le16 fc)
394 {
395 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
396 }
397 
398 /**
399  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
400  * @fc: frame control bytes in little-endian byteorder
401  */
402 static inline bool ieee80211_has_retry(__le16 fc)
403 {
404 	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
405 }
406 
407 /**
408  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
409  * @fc: frame control bytes in little-endian byteorder
410  */
411 static inline bool ieee80211_has_pm(__le16 fc)
412 {
413 	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
414 }
415 
416 /**
417  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
418  * @fc: frame control bytes in little-endian byteorder
419  */
420 static inline bool ieee80211_has_moredata(__le16 fc)
421 {
422 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
423 }
424 
425 /**
426  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
427  * @fc: frame control bytes in little-endian byteorder
428  */
429 static inline bool ieee80211_has_protected(__le16 fc)
430 {
431 	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
432 }
433 
434 /**
435  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
436  * @fc: frame control bytes in little-endian byteorder
437  */
438 static inline bool ieee80211_has_order(__le16 fc)
439 {
440 	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
441 }
442 
443 /**
444  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
445  * @fc: frame control bytes in little-endian byteorder
446  */
447 static inline bool ieee80211_is_mgmt(__le16 fc)
448 {
449 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
450 	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
451 }
452 
453 /**
454  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
455  * @fc: frame control bytes in little-endian byteorder
456  */
457 static inline bool ieee80211_is_ctl(__le16 fc)
458 {
459 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
460 	       cpu_to_le16(IEEE80211_FTYPE_CTL);
461 }
462 
463 /**
464  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
465  * @fc: frame control bytes in little-endian byteorder
466  */
467 static inline bool ieee80211_is_data(__le16 fc)
468 {
469 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
470 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
471 }
472 
473 /**
474  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
475  * @fc: frame control bytes in little-endian byteorder
476  */
477 static inline bool ieee80211_is_ext(__le16 fc)
478 {
479 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
480 	       cpu_to_le16(IEEE80211_FTYPE_EXT);
481 }
482 
483 
484 /**
485  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
486  * @fc: frame control bytes in little-endian byteorder
487  */
488 static inline bool ieee80211_is_data_qos(__le16 fc)
489 {
490 	/*
491 	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
492 	 * to check the one bit
493 	 */
494 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
495 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
496 }
497 
498 /**
499  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
500  * @fc: frame control bytes in little-endian byteorder
501  */
502 static inline bool ieee80211_is_data_present(__le16 fc)
503 {
504 	/*
505 	 * mask with 0x40 and test that that bit is clear to only return true
506 	 * for the data-containing substypes.
507 	 */
508 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
509 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
510 }
511 
512 /**
513  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
514  * @fc: frame control bytes in little-endian byteorder
515  */
516 static inline bool ieee80211_is_assoc_req(__le16 fc)
517 {
518 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
520 }
521 
522 /**
523  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
524  * @fc: frame control bytes in little-endian byteorder
525  */
526 static inline bool ieee80211_is_assoc_resp(__le16 fc)
527 {
528 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
530 }
531 
532 /**
533  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
534  * @fc: frame control bytes in little-endian byteorder
535  */
536 static inline bool ieee80211_is_reassoc_req(__le16 fc)
537 {
538 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
540 }
541 
542 /**
543  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
544  * @fc: frame control bytes in little-endian byteorder
545  */
546 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
547 {
548 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
550 }
551 
552 /**
553  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
554  * @fc: frame control bytes in little-endian byteorder
555  */
556 static inline bool ieee80211_is_probe_req(__le16 fc)
557 {
558 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
560 }
561 
562 /**
563  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
564  * @fc: frame control bytes in little-endian byteorder
565  */
566 static inline bool ieee80211_is_probe_resp(__le16 fc)
567 {
568 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
570 }
571 
572 /**
573  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
574  * @fc: frame control bytes in little-endian byteorder
575  */
576 static inline bool ieee80211_is_beacon(__le16 fc)
577 {
578 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
580 }
581 
582 /**
583  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
584  * IEEE80211_STYPE_S1G_BEACON
585  * @fc: frame control bytes in little-endian byteorder
586  */
587 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
588 {
589 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
590 				 IEEE80211_FCTL_STYPE)) ==
591 	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
592 }
593 
594 /**
595  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
596  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
597  * @fc: frame control bytes in little-endian byteorder
598  */
599 static inline bool ieee80211_next_tbtt_present(__le16 fc)
600 {
601 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
602 	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
603 	       fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
604 }
605 
606 /**
607  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
608  * true for S1G beacons when they're short.
609  * @fc: frame control bytes in little-endian byteorder
610  */
611 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
612 {
613 	return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
614 }
615 
616 /**
617  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
618  * @fc: frame control bytes in little-endian byteorder
619  */
620 static inline bool ieee80211_is_atim(__le16 fc)
621 {
622 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
623 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
624 }
625 
626 /**
627  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
628  * @fc: frame control bytes in little-endian byteorder
629  */
630 static inline bool ieee80211_is_disassoc(__le16 fc)
631 {
632 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
633 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
634 }
635 
636 /**
637  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
638  * @fc: frame control bytes in little-endian byteorder
639  */
640 static inline bool ieee80211_is_auth(__le16 fc)
641 {
642 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
643 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
644 }
645 
646 /**
647  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
648  * @fc: frame control bytes in little-endian byteorder
649  */
650 static inline bool ieee80211_is_deauth(__le16 fc)
651 {
652 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
653 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
654 }
655 
656 /**
657  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
658  * @fc: frame control bytes in little-endian byteorder
659  */
660 static inline bool ieee80211_is_action(__le16 fc)
661 {
662 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
663 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
664 }
665 
666 /**
667  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
668  * @fc: frame control bytes in little-endian byteorder
669  */
670 static inline bool ieee80211_is_back_req(__le16 fc)
671 {
672 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
673 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
674 }
675 
676 /**
677  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
678  * @fc: frame control bytes in little-endian byteorder
679  */
680 static inline bool ieee80211_is_back(__le16 fc)
681 {
682 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
683 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
684 }
685 
686 /**
687  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
688  * @fc: frame control bytes in little-endian byteorder
689  */
690 static inline bool ieee80211_is_pspoll(__le16 fc)
691 {
692 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
693 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
694 }
695 
696 /**
697  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
698  * @fc: frame control bytes in little-endian byteorder
699  */
700 static inline bool ieee80211_is_rts(__le16 fc)
701 {
702 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
703 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
704 }
705 
706 /**
707  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
708  * @fc: frame control bytes in little-endian byteorder
709  */
710 static inline bool ieee80211_is_cts(__le16 fc)
711 {
712 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
713 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
714 }
715 
716 /**
717  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
718  * @fc: frame control bytes in little-endian byteorder
719  */
720 static inline bool ieee80211_is_ack(__le16 fc)
721 {
722 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
723 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
724 }
725 
726 /**
727  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
728  * @fc: frame control bytes in little-endian byteorder
729  */
730 static inline bool ieee80211_is_cfend(__le16 fc)
731 {
732 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
733 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
734 }
735 
736 /**
737  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
738  * @fc: frame control bytes in little-endian byteorder
739  */
740 static inline bool ieee80211_is_cfendack(__le16 fc)
741 {
742 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
743 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
744 }
745 
746 /**
747  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
748  * @fc: frame control bytes in little-endian byteorder
749  */
750 static inline bool ieee80211_is_nullfunc(__le16 fc)
751 {
752 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
753 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
754 }
755 
756 /**
757  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
758  * @fc: frame control bytes in little-endian byteorder
759  */
760 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
761 {
762 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
763 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
764 }
765 
766 /**
767  * ieee80211_is_trigger - check if frame is trigger frame
768  * @fc: frame control field in little-endian byteorder
769  */
770 static inline bool ieee80211_is_trigger(__le16 fc)
771 {
772 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
773 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
774 }
775 
776 /**
777  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
778  * @fc: frame control bytes in little-endian byteorder
779  */
780 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
781 {
782 	return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
783 }
784 
785 /**
786  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
787  * @fc: frame control field in little-endian byteorder
788  */
789 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
790 {
791 	/* IEEE 802.11-2012, definition of "bufferable management frame";
792 	 * note that this ignores the IBSS special case. */
793 	return ieee80211_is_mgmt(fc) &&
794 	       (ieee80211_is_action(fc) ||
795 		ieee80211_is_disassoc(fc) ||
796 		ieee80211_is_deauth(fc));
797 }
798 
799 /**
800  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
801  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
802  */
803 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
804 {
805 	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
806 }
807 
808 /**
809  * ieee80211_is_frag - check if a frame is a fragment
810  * @hdr: 802.11 header of the frame
811  */
812 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
813 {
814 	return ieee80211_has_morefrags(hdr->frame_control) ||
815 	       hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
816 }
817 
818 struct ieee80211s_hdr {
819 	u8 flags;
820 	u8 ttl;
821 	__le32 seqnum;
822 	u8 eaddr1[ETH_ALEN];
823 	u8 eaddr2[ETH_ALEN];
824 } __packed __aligned(2);
825 
826 /* Mesh flags */
827 #define MESH_FLAGS_AE_A4 	0x1
828 #define MESH_FLAGS_AE_A5_A6	0x2
829 #define MESH_FLAGS_AE		0x3
830 #define MESH_FLAGS_PS_DEEP	0x4
831 
832 /**
833  * enum ieee80211_preq_flags - mesh PREQ element flags
834  *
835  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
836  */
837 enum ieee80211_preq_flags {
838 	IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1<<2,
839 };
840 
841 /**
842  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
843  *
844  * @IEEE80211_PREQ_TO_FLAG: target only subfield
845  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
846  */
847 enum ieee80211_preq_target_flags {
848 	IEEE80211_PREQ_TO_FLAG	= 1<<0,
849 	IEEE80211_PREQ_USN_FLAG	= 1<<2,
850 };
851 
852 /**
853  * struct ieee80211_quiet_ie
854  *
855  * This structure refers to "Quiet information element"
856  */
857 struct ieee80211_quiet_ie {
858 	u8 count;
859 	u8 period;
860 	__le16 duration;
861 	__le16 offset;
862 } __packed;
863 
864 /**
865  * struct ieee80211_msrment_ie
866  *
867  * This structure refers to "Measurement Request/Report information element"
868  */
869 struct ieee80211_msrment_ie {
870 	u8 token;
871 	u8 mode;
872 	u8 type;
873 	u8 request[];
874 } __packed;
875 
876 /**
877  * struct ieee80211_channel_sw_ie
878  *
879  * This structure refers to "Channel Switch Announcement information element"
880  */
881 struct ieee80211_channel_sw_ie {
882 	u8 mode;
883 	u8 new_ch_num;
884 	u8 count;
885 } __packed;
886 
887 /**
888  * struct ieee80211_ext_chansw_ie
889  *
890  * This structure represents the "Extended Channel Switch Announcement element"
891  */
892 struct ieee80211_ext_chansw_ie {
893 	u8 mode;
894 	u8 new_operating_class;
895 	u8 new_ch_num;
896 	u8 count;
897 } __packed;
898 
899 /**
900  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
901  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
902  *	values here
903  * This structure represents the "Secondary Channel Offset element"
904  */
905 struct ieee80211_sec_chan_offs_ie {
906 	u8 sec_chan_offs;
907 } __packed;
908 
909 /**
910  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
911  *
912  * This structure represents the "Mesh Channel Switch Paramters element"
913  */
914 struct ieee80211_mesh_chansw_params_ie {
915 	u8 mesh_ttl;
916 	u8 mesh_flags;
917 	__le16 mesh_reason;
918 	__le16 mesh_pre_value;
919 } __packed;
920 
921 /**
922  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
923  */
924 struct ieee80211_wide_bw_chansw_ie {
925 	u8 new_channel_width;
926 	u8 new_center_freq_seg0, new_center_freq_seg1;
927 } __packed;
928 
929 /**
930  * struct ieee80211_tim
931  *
932  * This structure refers to "Traffic Indication Map information element"
933  */
934 struct ieee80211_tim_ie {
935 	u8 dtim_count;
936 	u8 dtim_period;
937 	u8 bitmap_ctrl;
938 	/* variable size: 1 - 251 bytes */
939 	u8 virtual_map[1];
940 } __packed;
941 
942 /**
943  * struct ieee80211_meshconf_ie
944  *
945  * This structure refers to "Mesh Configuration information element"
946  */
947 struct ieee80211_meshconf_ie {
948 	u8 meshconf_psel;
949 	u8 meshconf_pmetric;
950 	u8 meshconf_congest;
951 	u8 meshconf_synch;
952 	u8 meshconf_auth;
953 	u8 meshconf_form;
954 	u8 meshconf_cap;
955 } __packed;
956 
957 /**
958  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
959  *
960  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
961  *	additional mesh peerings with other mesh STAs
962  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
963  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
964  *	is ongoing
965  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
966  *	neighbors in deep sleep mode
967  */
968 enum mesh_config_capab_flags {
969 	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
970 	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
971 	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
972 	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
973 };
974 
975 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
976 
977 /**
978  * mesh channel switch parameters element's flag indicator
979  *
980  */
981 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
982 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
983 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
984 
985 /**
986  * struct ieee80211_rann_ie
987  *
988  * This structure refers to "Root Announcement information element"
989  */
990 struct ieee80211_rann_ie {
991 	u8 rann_flags;
992 	u8 rann_hopcount;
993 	u8 rann_ttl;
994 	u8 rann_addr[ETH_ALEN];
995 	__le32 rann_seq;
996 	__le32 rann_interval;
997 	__le32 rann_metric;
998 } __packed;
999 
1000 enum ieee80211_rann_flags {
1001 	RANN_FLAG_IS_GATE = 1 << 0,
1002 };
1003 
1004 enum ieee80211_ht_chanwidth_values {
1005 	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1006 	IEEE80211_HT_CHANWIDTH_ANY = 1,
1007 };
1008 
1009 /**
1010  * enum ieee80211_opmode_bits - VHT operating mode field bits
1011  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1012  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1013  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1014  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1015  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1016  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1017  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1018  *	(the NSS value is the value of this field + 1)
1019  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1020  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1021  *	using a beamforming steering matrix
1022  */
1023 enum ieee80211_vht_opmode_bits {
1024 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK	= 0x03,
1025 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ	= 0,
1026 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ	= 1,
1027 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ	= 2,
1028 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ	= 3,
1029 	IEEE80211_OPMODE_NOTIF_BW_160_80P80	= 0x04,
1030 	IEEE80211_OPMODE_NOTIF_RX_NSS_MASK	= 0x70,
1031 	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
1032 	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
1033 };
1034 
1035 /**
1036  * enum ieee80211_s1g_chanwidth
1037  * These are defined in IEEE802.11-2016ah Table 10-20
1038  * as BSS Channel Width
1039  *
1040  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1041  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1042  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1043  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1044  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1045  */
1046 enum ieee80211_s1g_chanwidth {
1047 	IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1048 	IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1049 	IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1050 	IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1051 	IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1052 };
1053 
1054 #define WLAN_SA_QUERY_TR_ID_LEN 2
1055 #define WLAN_MEMBERSHIP_LEN 8
1056 #define WLAN_USER_POSITION_LEN 16
1057 
1058 /**
1059  * struct ieee80211_tpc_report_ie
1060  *
1061  * This structure refers to "TPC Report element"
1062  */
1063 struct ieee80211_tpc_report_ie {
1064 	u8 tx_power;
1065 	u8 link_margin;
1066 } __packed;
1067 
1068 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK	GENMASK(2, 1)
1069 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT	1
1070 #define IEEE80211_ADDBA_EXT_NO_FRAG		BIT(0)
1071 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK	GENMASK(7, 5)
1072 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT	10
1073 
1074 struct ieee80211_addba_ext_ie {
1075 	u8 data;
1076 } __packed;
1077 
1078 /**
1079  * struct ieee80211_s1g_bcn_compat_ie
1080  *
1081  * S1G Beacon Compatibility element
1082  */
1083 struct ieee80211_s1g_bcn_compat_ie {
1084 	__le16 compat_info;
1085 	__le16 beacon_int;
1086 	__le32 tsf_completion;
1087 } __packed;
1088 
1089 /**
1090  * struct ieee80211_s1g_oper_ie
1091  *
1092  * S1G Operation element
1093  */
1094 struct ieee80211_s1g_oper_ie {
1095 	u8 ch_width;
1096 	u8 oper_class;
1097 	u8 primary_ch;
1098 	u8 oper_ch;
1099 	__le16 basic_mcs_nss;
1100 } __packed;
1101 
1102 /**
1103  * struct ieee80211_aid_response_ie
1104  *
1105  * AID Response element
1106  */
1107 struct ieee80211_aid_response_ie {
1108 	__le16 aid;
1109 	u8 switch_count;
1110 	__le16 response_int;
1111 } __packed;
1112 
1113 struct ieee80211_s1g_cap {
1114 	u8 capab_info[10];
1115 	u8 supp_mcs_nss[5];
1116 } __packed;
1117 
1118 struct ieee80211_ext {
1119 	__le16 frame_control;
1120 	__le16 duration;
1121 	union {
1122 		struct {
1123 			u8 sa[ETH_ALEN];
1124 			__le32 timestamp;
1125 			u8 change_seq;
1126 			u8 variable[0];
1127 		} __packed s1g_beacon;
1128 		struct {
1129 			u8 sa[ETH_ALEN];
1130 			__le32 timestamp;
1131 			u8 change_seq;
1132 			u8 next_tbtt[3];
1133 			u8 variable[0];
1134 		} __packed s1g_short_beacon;
1135 	} u;
1136 } __packed __aligned(2);
1137 
1138 #define IEEE80211_TWT_CONTROL_NDP			BIT(0)
1139 #define IEEE80211_TWT_CONTROL_RESP_MODE			BIT(1)
1140 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST	BIT(3)
1141 #define IEEE80211_TWT_CONTROL_RX_DISABLED		BIT(4)
1142 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT		BIT(5)
1143 
1144 #define IEEE80211_TWT_REQTYPE_REQUEST			BIT(0)
1145 #define IEEE80211_TWT_REQTYPE_SETUP_CMD			GENMASK(3, 1)
1146 #define IEEE80211_TWT_REQTYPE_TRIGGER			BIT(4)
1147 #define IEEE80211_TWT_REQTYPE_IMPLICIT			BIT(5)
1148 #define IEEE80211_TWT_REQTYPE_FLOWTYPE			BIT(6)
1149 #define IEEE80211_TWT_REQTYPE_FLOWID			GENMASK(9, 7)
1150 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP		GENMASK(14, 10)
1151 #define IEEE80211_TWT_REQTYPE_PROTECTION		BIT(15)
1152 
1153 enum ieee80211_twt_setup_cmd {
1154 	TWT_SETUP_CMD_REQUEST,
1155 	TWT_SETUP_CMD_SUGGEST,
1156 	TWT_SETUP_CMD_DEMAND,
1157 	TWT_SETUP_CMD_GROUPING,
1158 	TWT_SETUP_CMD_ACCEPT,
1159 	TWT_SETUP_CMD_ALTERNATE,
1160 	TWT_SETUP_CMD_DICTATE,
1161 	TWT_SETUP_CMD_REJECT,
1162 };
1163 
1164 struct ieee80211_twt_params {
1165 	__le16 req_type;
1166 	__le64 twt;
1167 	u8 min_twt_dur;
1168 	__le16 mantissa;
1169 	u8 channel;
1170 } __packed;
1171 
1172 struct ieee80211_twt_setup {
1173 	u8 dialog_token;
1174 	u8 element_id;
1175 	u8 length;
1176 	u8 control;
1177 	u8 params[];
1178 } __packed;
1179 
1180 struct ieee80211_mgmt {
1181 	__le16 frame_control;
1182 	__le16 duration;
1183 	u8 da[ETH_ALEN];
1184 	u8 sa[ETH_ALEN];
1185 	u8 bssid[ETH_ALEN];
1186 	__le16 seq_ctrl;
1187 	union {
1188 		struct {
1189 			__le16 auth_alg;
1190 			__le16 auth_transaction;
1191 			__le16 status_code;
1192 			/* possibly followed by Challenge text */
1193 			u8 variable[];
1194 		} __packed auth;
1195 		struct {
1196 			__le16 reason_code;
1197 		} __packed deauth;
1198 		struct {
1199 			__le16 capab_info;
1200 			__le16 listen_interval;
1201 			/* followed by SSID and Supported rates */
1202 			u8 variable[];
1203 		} __packed assoc_req;
1204 		struct {
1205 			__le16 capab_info;
1206 			__le16 status_code;
1207 			__le16 aid;
1208 			/* followed by Supported rates */
1209 			u8 variable[];
1210 		} __packed assoc_resp, reassoc_resp;
1211 		struct {
1212 			__le16 capab_info;
1213 			__le16 status_code;
1214 			u8 variable[];
1215 		} __packed s1g_assoc_resp, s1g_reassoc_resp;
1216 		struct {
1217 			__le16 capab_info;
1218 			__le16 listen_interval;
1219 			u8 current_ap[ETH_ALEN];
1220 			/* followed by SSID and Supported rates */
1221 			u8 variable[];
1222 		} __packed reassoc_req;
1223 		struct {
1224 			__le16 reason_code;
1225 		} __packed disassoc;
1226 		struct {
1227 			__le64 timestamp;
1228 			__le16 beacon_int;
1229 			__le16 capab_info;
1230 			/* followed by some of SSID, Supported rates,
1231 			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1232 			u8 variable[];
1233 		} __packed beacon;
1234 		struct {
1235 			/* only variable items: SSID, Supported rates */
1236 			DECLARE_FLEX_ARRAY(u8, variable);
1237 		} __packed probe_req;
1238 		struct {
1239 			__le64 timestamp;
1240 			__le16 beacon_int;
1241 			__le16 capab_info;
1242 			/* followed by some of SSID, Supported rates,
1243 			 * FH Params, DS Params, CF Params, IBSS Params */
1244 			u8 variable[];
1245 		} __packed probe_resp;
1246 		struct {
1247 			u8 category;
1248 			union {
1249 				struct {
1250 					u8 action_code;
1251 					u8 dialog_token;
1252 					u8 status_code;
1253 					u8 variable[];
1254 				} __packed wme_action;
1255 				struct{
1256 					u8 action_code;
1257 					u8 variable[];
1258 				} __packed chan_switch;
1259 				struct{
1260 					u8 action_code;
1261 					struct ieee80211_ext_chansw_ie data;
1262 					u8 variable[];
1263 				} __packed ext_chan_switch;
1264 				struct{
1265 					u8 action_code;
1266 					u8 dialog_token;
1267 					u8 element_id;
1268 					u8 length;
1269 					struct ieee80211_msrment_ie msr_elem;
1270 				} __packed measurement;
1271 				struct{
1272 					u8 action_code;
1273 					u8 dialog_token;
1274 					__le16 capab;
1275 					__le16 timeout;
1276 					__le16 start_seq_num;
1277 					/* followed by BA Extension */
1278 					u8 variable[];
1279 				} __packed addba_req;
1280 				struct{
1281 					u8 action_code;
1282 					u8 dialog_token;
1283 					__le16 status;
1284 					__le16 capab;
1285 					__le16 timeout;
1286 				} __packed addba_resp;
1287 				struct{
1288 					u8 action_code;
1289 					__le16 params;
1290 					__le16 reason_code;
1291 				} __packed delba;
1292 				struct {
1293 					u8 action_code;
1294 					u8 variable[];
1295 				} __packed self_prot;
1296 				struct{
1297 					u8 action_code;
1298 					u8 variable[];
1299 				} __packed mesh_action;
1300 				struct {
1301 					u8 action;
1302 					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1303 				} __packed sa_query;
1304 				struct {
1305 					u8 action;
1306 					u8 smps_control;
1307 				} __packed ht_smps;
1308 				struct {
1309 					u8 action_code;
1310 					u8 chanwidth;
1311 				} __packed ht_notify_cw;
1312 				struct {
1313 					u8 action_code;
1314 					u8 dialog_token;
1315 					__le16 capability;
1316 					u8 variable[0];
1317 				} __packed tdls_discover_resp;
1318 				struct {
1319 					u8 action_code;
1320 					u8 operating_mode;
1321 				} __packed vht_opmode_notif;
1322 				struct {
1323 					u8 action_code;
1324 					u8 membership[WLAN_MEMBERSHIP_LEN];
1325 					u8 position[WLAN_USER_POSITION_LEN];
1326 				} __packed vht_group_notif;
1327 				struct {
1328 					u8 action_code;
1329 					u8 dialog_token;
1330 					u8 tpc_elem_id;
1331 					u8 tpc_elem_length;
1332 					struct ieee80211_tpc_report_ie tpc;
1333 				} __packed tpc_report;
1334 				struct {
1335 					u8 action_code;
1336 					u8 dialog_token;
1337 					u8 follow_up;
1338 					u8 tod[6];
1339 					u8 toa[6];
1340 					__le16 tod_error;
1341 					__le16 toa_error;
1342 					u8 variable[];
1343 				} __packed ftm;
1344 				struct {
1345 					u8 action_code;
1346 					u8 variable[];
1347 				} __packed s1g;
1348 				struct {
1349 					u8 action_code;
1350 					u8 dialog_token;
1351 					u8 follow_up;
1352 					u32 tod;
1353 					u32 toa;
1354 					u8 max_tod_error;
1355 					u8 max_toa_error;
1356 				} __packed wnm_timing_msr;
1357 			} u;
1358 		} __packed action;
1359 		DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1360 	} u;
1361 } __packed __aligned(2);
1362 
1363 /* Supported rates membership selectors */
1364 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
1365 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY	126
1366 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY	122
1367 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1368 
1369 /* mgmt header + 1 byte category code */
1370 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1371 
1372 
1373 /* Management MIC information element (IEEE 802.11w) */
1374 struct ieee80211_mmie {
1375 	u8 element_id;
1376 	u8 length;
1377 	__le16 key_id;
1378 	u8 sequence_number[6];
1379 	u8 mic[8];
1380 } __packed;
1381 
1382 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1383 struct ieee80211_mmie_16 {
1384 	u8 element_id;
1385 	u8 length;
1386 	__le16 key_id;
1387 	u8 sequence_number[6];
1388 	u8 mic[16];
1389 } __packed;
1390 
1391 struct ieee80211_vendor_ie {
1392 	u8 element_id;
1393 	u8 len;
1394 	u8 oui[3];
1395 	u8 oui_type;
1396 } __packed;
1397 
1398 struct ieee80211_wmm_ac_param {
1399 	u8 aci_aifsn; /* AIFSN, ACM, ACI */
1400 	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1401 	__le16 txop_limit;
1402 } __packed;
1403 
1404 struct ieee80211_wmm_param_ie {
1405 	u8 element_id; /* Element ID: 221 (0xdd); */
1406 	u8 len; /* Length: 24 */
1407 	/* required fields for WMM version 1 */
1408 	u8 oui[3]; /* 00:50:f2 */
1409 	u8 oui_type; /* 2 */
1410 	u8 oui_subtype; /* 1 */
1411 	u8 version; /* 1 for WMM version 1.0 */
1412 	u8 qos_info; /* AP/STA specific QoS info */
1413 	u8 reserved; /* 0 */
1414 	/* AC_BE, AC_BK, AC_VI, AC_VO */
1415 	struct ieee80211_wmm_ac_param ac[4];
1416 } __packed;
1417 
1418 /* Control frames */
1419 struct ieee80211_rts {
1420 	__le16 frame_control;
1421 	__le16 duration;
1422 	u8 ra[ETH_ALEN];
1423 	u8 ta[ETH_ALEN];
1424 } __packed __aligned(2);
1425 
1426 struct ieee80211_cts {
1427 	__le16 frame_control;
1428 	__le16 duration;
1429 	u8 ra[ETH_ALEN];
1430 } __packed __aligned(2);
1431 
1432 struct ieee80211_pspoll {
1433 	__le16 frame_control;
1434 	__le16 aid;
1435 	u8 bssid[ETH_ALEN];
1436 	u8 ta[ETH_ALEN];
1437 } __packed __aligned(2);
1438 
1439 /* TDLS */
1440 
1441 /* Channel switch timing */
1442 struct ieee80211_ch_switch_timing {
1443 	__le16 switch_time;
1444 	__le16 switch_timeout;
1445 } __packed;
1446 
1447 /* Link-id information element */
1448 struct ieee80211_tdls_lnkie {
1449 	u8 ie_type; /* Link Identifier IE */
1450 	u8 ie_len;
1451 	u8 bssid[ETH_ALEN];
1452 	u8 init_sta[ETH_ALEN];
1453 	u8 resp_sta[ETH_ALEN];
1454 } __packed;
1455 
1456 struct ieee80211_tdls_data {
1457 	u8 da[ETH_ALEN];
1458 	u8 sa[ETH_ALEN];
1459 	__be16 ether_type;
1460 	u8 payload_type;
1461 	u8 category;
1462 	u8 action_code;
1463 	union {
1464 		struct {
1465 			u8 dialog_token;
1466 			__le16 capability;
1467 			u8 variable[0];
1468 		} __packed setup_req;
1469 		struct {
1470 			__le16 status_code;
1471 			u8 dialog_token;
1472 			__le16 capability;
1473 			u8 variable[0];
1474 		} __packed setup_resp;
1475 		struct {
1476 			__le16 status_code;
1477 			u8 dialog_token;
1478 			u8 variable[0];
1479 		} __packed setup_cfm;
1480 		struct {
1481 			__le16 reason_code;
1482 			u8 variable[0];
1483 		} __packed teardown;
1484 		struct {
1485 			u8 dialog_token;
1486 			u8 variable[0];
1487 		} __packed discover_req;
1488 		struct {
1489 			u8 target_channel;
1490 			u8 oper_class;
1491 			u8 variable[0];
1492 		} __packed chan_switch_req;
1493 		struct {
1494 			__le16 status_code;
1495 			u8 variable[0];
1496 		} __packed chan_switch_resp;
1497 	} u;
1498 } __packed;
1499 
1500 /*
1501  * Peer-to-Peer IE attribute related definitions.
1502  */
1503 /**
1504  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1505  */
1506 enum ieee80211_p2p_attr_id {
1507 	IEEE80211_P2P_ATTR_STATUS = 0,
1508 	IEEE80211_P2P_ATTR_MINOR_REASON,
1509 	IEEE80211_P2P_ATTR_CAPABILITY,
1510 	IEEE80211_P2P_ATTR_DEVICE_ID,
1511 	IEEE80211_P2P_ATTR_GO_INTENT,
1512 	IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1513 	IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1514 	IEEE80211_P2P_ATTR_GROUP_BSSID,
1515 	IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1516 	IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1517 	IEEE80211_P2P_ATTR_MANAGABILITY,
1518 	IEEE80211_P2P_ATTR_CHANNEL_LIST,
1519 	IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1520 	IEEE80211_P2P_ATTR_DEVICE_INFO,
1521 	IEEE80211_P2P_ATTR_GROUP_INFO,
1522 	IEEE80211_P2P_ATTR_GROUP_ID,
1523 	IEEE80211_P2P_ATTR_INTERFACE,
1524 	IEEE80211_P2P_ATTR_OPER_CHANNEL,
1525 	IEEE80211_P2P_ATTR_INVITE_FLAGS,
1526 	/* 19 - 220: Reserved */
1527 	IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1528 
1529 	IEEE80211_P2P_ATTR_MAX
1530 };
1531 
1532 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1533 /* Typical max value used here */
1534 #define IEEE80211_P2P_NOA_DESC_MAX	4
1535 
1536 struct ieee80211_p2p_noa_desc {
1537 	u8 count;
1538 	__le32 duration;
1539 	__le32 interval;
1540 	__le32 start_time;
1541 } __packed;
1542 
1543 struct ieee80211_p2p_noa_attr {
1544 	u8 index;
1545 	u8 oppps_ctwindow;
1546 	struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1547 } __packed;
1548 
1549 #define IEEE80211_P2P_OPPPS_ENABLE_BIT		BIT(7)
1550 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK	0x7F
1551 
1552 /**
1553  * struct ieee80211_bar - HT Block Ack Request
1554  *
1555  * This structure refers to "HT BlockAckReq" as
1556  * described in 802.11n draft section 7.2.1.7.1
1557  */
1558 struct ieee80211_bar {
1559 	__le16 frame_control;
1560 	__le16 duration;
1561 	__u8 ra[ETH_ALEN];
1562 	__u8 ta[ETH_ALEN];
1563 	__le16 control;
1564 	__le16 start_seq_num;
1565 } __packed;
1566 
1567 /* 802.11 BAR control masks */
1568 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
1569 #define IEEE80211_BAR_CTRL_MULTI_TID		0x0002
1570 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA	0x0004
1571 #define IEEE80211_BAR_CTRL_TID_INFO_MASK	0xf000
1572 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT	12
1573 
1574 #define IEEE80211_HT_MCS_MASK_LEN		10
1575 
1576 /**
1577  * struct ieee80211_mcs_info - MCS information
1578  * @rx_mask: RX mask
1579  * @rx_highest: highest supported RX rate. If set represents
1580  *	the highest supported RX data rate in units of 1 Mbps.
1581  *	If this field is 0 this value should not be used to
1582  *	consider the highest RX data rate supported.
1583  * @tx_params: TX parameters
1584  */
1585 struct ieee80211_mcs_info {
1586 	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1587 	__le16 rx_highest;
1588 	u8 tx_params;
1589 	u8 reserved[3];
1590 } __packed;
1591 
1592 /* 802.11n HT capability MSC set */
1593 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
1594 #define IEEE80211_HT_MCS_TX_DEFINED		0x01
1595 #define IEEE80211_HT_MCS_TX_RX_DIFF		0x02
1596 /* value 0 == 1 stream etc */
1597 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK	0x0C
1598 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT	2
1599 #define		IEEE80211_HT_MCS_TX_MAX_STREAMS	4
1600 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION	0x10
1601 
1602 /*
1603  * 802.11n D5.0 20.3.5 / 20.6 says:
1604  * - indices 0 to 7 and 32 are single spatial stream
1605  * - 8 to 31 are multiple spatial streams using equal modulation
1606  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1607  * - remainder are multiple spatial streams using unequal modulation
1608  */
1609 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1610 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1611 	(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1612 
1613 /**
1614  * struct ieee80211_ht_cap - HT capabilities
1615  *
1616  * This structure is the "HT capabilities element" as
1617  * described in 802.11n D5.0 7.3.2.57
1618  */
1619 struct ieee80211_ht_cap {
1620 	__le16 cap_info;
1621 	u8 ampdu_params_info;
1622 
1623 	/* 16 bytes MCS information */
1624 	struct ieee80211_mcs_info mcs;
1625 
1626 	__le16 extended_ht_cap_info;
1627 	__le32 tx_BF_cap_info;
1628 	u8 antenna_selection_info;
1629 } __packed;
1630 
1631 /* 802.11n HT capabilities masks (for cap_info) */
1632 #define IEEE80211_HT_CAP_LDPC_CODING		0x0001
1633 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40	0x0002
1634 #define IEEE80211_HT_CAP_SM_PS			0x000C
1635 #define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
1636 #define IEEE80211_HT_CAP_GRN_FLD		0x0010
1637 #define IEEE80211_HT_CAP_SGI_20			0x0020
1638 #define IEEE80211_HT_CAP_SGI_40			0x0040
1639 #define IEEE80211_HT_CAP_TX_STBC		0x0080
1640 #define IEEE80211_HT_CAP_RX_STBC		0x0300
1641 #define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
1642 #define IEEE80211_HT_CAP_DELAY_BA		0x0400
1643 #define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
1644 #define IEEE80211_HT_CAP_DSSSCCK40		0x1000
1645 #define IEEE80211_HT_CAP_RESERVED		0x2000
1646 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
1647 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000
1648 
1649 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1650 #define IEEE80211_HT_EXT_CAP_PCO		0x0001
1651 #define IEEE80211_HT_EXT_CAP_PCO_TIME		0x0006
1652 #define		IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT	1
1653 #define IEEE80211_HT_EXT_CAP_MCS_FB		0x0300
1654 #define		IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT	8
1655 #define IEEE80211_HT_EXT_CAP_HTC_SUP		0x0400
1656 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER	0x0800
1657 
1658 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1659 #define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
1660 #define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
1661 #define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2
1662 
1663 /*
1664  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1665  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1666  */
1667 enum ieee80211_max_ampdu_length_exp {
1668 	IEEE80211_HT_MAX_AMPDU_8K = 0,
1669 	IEEE80211_HT_MAX_AMPDU_16K = 1,
1670 	IEEE80211_HT_MAX_AMPDU_32K = 2,
1671 	IEEE80211_HT_MAX_AMPDU_64K = 3
1672 };
1673 
1674 /*
1675  * Maximum length of AMPDU that the STA can receive in VHT.
1676  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1677  */
1678 enum ieee80211_vht_max_ampdu_length_exp {
1679 	IEEE80211_VHT_MAX_AMPDU_8K = 0,
1680 	IEEE80211_VHT_MAX_AMPDU_16K = 1,
1681 	IEEE80211_VHT_MAX_AMPDU_32K = 2,
1682 	IEEE80211_VHT_MAX_AMPDU_64K = 3,
1683 	IEEE80211_VHT_MAX_AMPDU_128K = 4,
1684 	IEEE80211_VHT_MAX_AMPDU_256K = 5,
1685 	IEEE80211_VHT_MAX_AMPDU_512K = 6,
1686 	IEEE80211_VHT_MAX_AMPDU_1024K = 7
1687 };
1688 
1689 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1690 
1691 /* Minimum MPDU start spacing */
1692 enum ieee80211_min_mpdu_spacing {
1693 	IEEE80211_HT_MPDU_DENSITY_NONE = 0,	/* No restriction */
1694 	IEEE80211_HT_MPDU_DENSITY_0_25 = 1,	/* 1/4 usec */
1695 	IEEE80211_HT_MPDU_DENSITY_0_5 = 2,	/* 1/2 usec */
1696 	IEEE80211_HT_MPDU_DENSITY_1 = 3,	/* 1 usec */
1697 	IEEE80211_HT_MPDU_DENSITY_2 = 4,	/* 2 usec */
1698 	IEEE80211_HT_MPDU_DENSITY_4 = 5,	/* 4 usec */
1699 	IEEE80211_HT_MPDU_DENSITY_8 = 6,	/* 8 usec */
1700 	IEEE80211_HT_MPDU_DENSITY_16 = 7	/* 16 usec */
1701 };
1702 
1703 /**
1704  * struct ieee80211_ht_operation - HT operation IE
1705  *
1706  * This structure is the "HT operation element" as
1707  * described in 802.11n-2009 7.3.2.57
1708  */
1709 struct ieee80211_ht_operation {
1710 	u8 primary_chan;
1711 	u8 ht_param;
1712 	__le16 operation_mode;
1713 	__le16 stbc_param;
1714 	u8 basic_set[16];
1715 } __packed;
1716 
1717 /* for ht_param */
1718 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
1719 #define		IEEE80211_HT_PARAM_CHA_SEC_NONE		0x00
1720 #define		IEEE80211_HT_PARAM_CHA_SEC_ABOVE	0x01
1721 #define		IEEE80211_HT_PARAM_CHA_SEC_BELOW	0x03
1722 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY		0x04
1723 #define IEEE80211_HT_PARAM_RIFS_MODE			0x08
1724 
1725 /* for operation_mode */
1726 #define IEEE80211_HT_OP_MODE_PROTECTION			0x0003
1727 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONE		0
1728 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER	1
1729 #define		IEEE80211_HT_OP_MODE_PROTECTION_20MHZ		2
1730 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED	3
1731 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT		0x0004
1732 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT		0x0010
1733 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT		5
1734 #define IEEE80211_HT_OP_MODE_CCFS2_MASK			0x1fe0
1735 
1736 /* for stbc_param */
1737 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON		0x0040
1738 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT		0x0080
1739 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON		0x0100
1740 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT	0x0200
1741 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE		0x0400
1742 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE		0x0800
1743 
1744 
1745 /* block-ack parameters */
1746 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1747 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1748 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1749 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1750 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1751 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1752 
1753 /*
1754  * A-MPDU buffer sizes
1755  * According to HT size varies from 8 to 64 frames
1756  * HE adds the ability to have up to 256 frames.
1757  * EHT adds the ability to have up to 1K frames.
1758  */
1759 #define IEEE80211_MIN_AMPDU_BUF		0x8
1760 #define IEEE80211_MAX_AMPDU_BUF_HT	0x40
1761 #define IEEE80211_MAX_AMPDU_BUF_HE	0x100
1762 #define IEEE80211_MAX_AMPDU_BUF_EHT	0x400
1763 
1764 
1765 /* Spatial Multiplexing Power Save Modes (for capability) */
1766 #define WLAN_HT_CAP_SM_PS_STATIC	0
1767 #define WLAN_HT_CAP_SM_PS_DYNAMIC	1
1768 #define WLAN_HT_CAP_SM_PS_INVALID	2
1769 #define WLAN_HT_CAP_SM_PS_DISABLED	3
1770 
1771 /* for SM power control field lower two bits */
1772 #define WLAN_HT_SMPS_CONTROL_DISABLED	0
1773 #define WLAN_HT_SMPS_CONTROL_STATIC	1
1774 #define WLAN_HT_SMPS_CONTROL_DYNAMIC	3
1775 
1776 /**
1777  * struct ieee80211_vht_mcs_info - VHT MCS information
1778  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1779  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1780  *	STA can receive. Rate expressed in units of 1 Mbps.
1781  *	If this field is 0 this value should not be used to
1782  *	consider the highest RX data rate supported.
1783  *	The top 3 bits of this field indicate the Maximum NSTS,total
1784  *	(a beamformee capability.)
1785  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1786  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1787  *	STA can transmit. Rate expressed in units of 1 Mbps.
1788  *	If this field is 0 this value should not be used to
1789  *	consider the highest TX data rate supported.
1790  *	The top 2 bits of this field are reserved, the
1791  *	3rd bit from the top indiciates VHT Extended NSS BW
1792  *	Capability.
1793  */
1794 struct ieee80211_vht_mcs_info {
1795 	__le16 rx_mcs_map;
1796 	__le16 rx_highest;
1797 	__le16 tx_mcs_map;
1798 	__le16 tx_highest;
1799 } __packed;
1800 
1801 /* for rx_highest */
1802 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT	13
1803 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK	(7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1804 
1805 /* for tx_highest */
1806 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE	(1 << 13)
1807 
1808 /**
1809  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1810  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1811  *	number of streams
1812  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1813  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1814  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1815  *
1816  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1817  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1818  * both split into 8 subfields by number of streams. These values indicate
1819  * which MCSes are supported for the number of streams the value appears
1820  * for.
1821  */
1822 enum ieee80211_vht_mcs_support {
1823 	IEEE80211_VHT_MCS_SUPPORT_0_7	= 0,
1824 	IEEE80211_VHT_MCS_SUPPORT_0_8	= 1,
1825 	IEEE80211_VHT_MCS_SUPPORT_0_9	= 2,
1826 	IEEE80211_VHT_MCS_NOT_SUPPORTED	= 3,
1827 };
1828 
1829 /**
1830  * struct ieee80211_vht_cap - VHT capabilities
1831  *
1832  * This structure is the "VHT capabilities element" as
1833  * described in 802.11ac D3.0 8.4.2.160
1834  * @vht_cap_info: VHT capability info
1835  * @supp_mcs: VHT MCS supported rates
1836  */
1837 struct ieee80211_vht_cap {
1838 	__le32 vht_cap_info;
1839 	struct ieee80211_vht_mcs_info supp_mcs;
1840 } __packed;
1841 
1842 /**
1843  * enum ieee80211_vht_chanwidth - VHT channel width
1844  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1845  *	determine the channel width (20 or 40 MHz)
1846  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1847  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1848  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1849  */
1850 enum ieee80211_vht_chanwidth {
1851 	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,
1852 	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,
1853 	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,
1854 	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,
1855 };
1856 
1857 /**
1858  * struct ieee80211_vht_operation - VHT operation IE
1859  *
1860  * This structure is the "VHT operation element" as
1861  * described in 802.11ac D3.0 8.4.2.161
1862  * @chan_width: Operating channel width
1863  * @center_freq_seg0_idx: center freq segment 0 index
1864  * @center_freq_seg1_idx: center freq segment 1 index
1865  * @basic_mcs_set: VHT Basic MCS rate set
1866  */
1867 struct ieee80211_vht_operation {
1868 	u8 chan_width;
1869 	u8 center_freq_seg0_idx;
1870 	u8 center_freq_seg1_idx;
1871 	__le16 basic_mcs_set;
1872 } __packed;
1873 
1874 /**
1875  * struct ieee80211_he_cap_elem - HE capabilities element
1876  *
1877  * This structure is the "HE capabilities element" fixed fields as
1878  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1879  */
1880 struct ieee80211_he_cap_elem {
1881 	u8 mac_cap_info[6];
1882 	u8 phy_cap_info[11];
1883 } __packed;
1884 
1885 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN	5
1886 
1887 /**
1888  * enum ieee80211_he_mcs_support - HE MCS support definitions
1889  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1890  *	number of streams
1891  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1892  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1893  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1894  *
1895  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1896  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1897  * both split into 8 subfields by number of streams. These values indicate
1898  * which MCSes are supported for the number of streams the value appears
1899  * for.
1900  */
1901 enum ieee80211_he_mcs_support {
1902 	IEEE80211_HE_MCS_SUPPORT_0_7	= 0,
1903 	IEEE80211_HE_MCS_SUPPORT_0_9	= 1,
1904 	IEEE80211_HE_MCS_SUPPORT_0_11	= 2,
1905 	IEEE80211_HE_MCS_NOT_SUPPORTED	= 3,
1906 };
1907 
1908 /**
1909  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1910  *
1911  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1912  * described in P802.11ax_D2.0 section 9.4.2.237.4
1913  *
1914  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1915  *     widths less than 80MHz.
1916  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1917  *     widths less than 80MHz.
1918  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1919  *     width 160MHz.
1920  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1921  *     width 160MHz.
1922  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1923  *     channel width 80p80MHz.
1924  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1925  *     channel width 80p80MHz.
1926  */
1927 struct ieee80211_he_mcs_nss_supp {
1928 	__le16 rx_mcs_80;
1929 	__le16 tx_mcs_80;
1930 	__le16 rx_mcs_160;
1931 	__le16 tx_mcs_160;
1932 	__le16 rx_mcs_80p80;
1933 	__le16 tx_mcs_80p80;
1934 } __packed;
1935 
1936 /**
1937  * struct ieee80211_he_operation - HE capabilities element
1938  *
1939  * This structure is the "HE operation element" fields as
1940  * described in P802.11ax_D4.0 section 9.4.2.243
1941  */
1942 struct ieee80211_he_operation {
1943 	__le32 he_oper_params;
1944 	__le16 he_mcs_nss_set;
1945 	/* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1946 	u8 optional[];
1947 } __packed;
1948 
1949 /**
1950  * struct ieee80211_he_spr - HE spatial reuse element
1951  *
1952  * This structure is the "HE spatial reuse element" element as
1953  * described in P802.11ax_D4.0 section 9.4.2.241
1954  */
1955 struct ieee80211_he_spr {
1956 	u8 he_sr_control;
1957 	/* Optional 0 to 19 bytes: depends on @he_sr_control */
1958 	u8 optional[];
1959 } __packed;
1960 
1961 /**
1962  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1963  *
1964  * This structure is the "MU AC Parameter Record" fields as
1965  * described in P802.11ax_D4.0 section 9.4.2.245
1966  */
1967 struct ieee80211_he_mu_edca_param_ac_rec {
1968 	u8 aifsn;
1969 	u8 ecw_min_max;
1970 	u8 mu_edca_timer;
1971 } __packed;
1972 
1973 /**
1974  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1975  *
1976  * This structure is the "MU EDCA Parameter Set element" fields as
1977  * described in P802.11ax_D4.0 section 9.4.2.245
1978  */
1979 struct ieee80211_mu_edca_param_set {
1980 	u8 mu_qos_info;
1981 	struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1982 	struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1983 	struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1984 	struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1985 } __packed;
1986 
1987 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1988 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1989 
1990 /**
1991  * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1992  * supported NSS for per MCS.
1993  *
1994  * For each field below, bits 0 - 3 indicate the maximal number of spatial
1995  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1996  * for Tx.
1997  *
1998  * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1999  *     supported for reception and the maximum number of spatial streams
2000  *     supported for transmission for MCS 0 - 7.
2001  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2002  *     supported for reception and the maximum number of spatial streams
2003  *     supported for transmission for MCS 8 - 9.
2004  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2005  *     supported for reception and the maximum number of spatial streams
2006  *     supported for transmission for MCS 10 - 11.
2007  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2008  *     supported for reception and the maximum number of spatial streams
2009  *     supported for transmission for MCS 12 - 13.
2010  */
2011 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2012 	u8 rx_tx_mcs7_max_nss;
2013 	u8 rx_tx_mcs9_max_nss;
2014 	u8 rx_tx_mcs11_max_nss;
2015 	u8 rx_tx_mcs13_max_nss;
2016 };
2017 
2018 /**
2019  * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2020  * 20MHz only stations).
2021  *
2022  * For each field below, bits 0 - 3 indicate the maximal number of spatial
2023  * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2024  * for Tx.
2025  *
2026  * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2027  *     supported for reception and the maximum number of spatial streams
2028  *     supported for transmission for MCS 0 - 9.
2029  * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2030  *     supported for reception and the maximum number of spatial streams
2031  *     supported for transmission for MCS 10 - 11.
2032  * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2033  *     supported for reception and the maximum number of spatial streams
2034  *     supported for transmission for MCS 12 - 13.
2035  */
2036 struct ieee80211_eht_mcs_nss_supp_bw {
2037 	u8 rx_tx_mcs9_max_nss;
2038 	u8 rx_tx_mcs11_max_nss;
2039 	u8 rx_tx_mcs13_max_nss;
2040 };
2041 
2042 /**
2043  * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2044  *
2045  * This structure is the "EHT Capabilities element" fixed fields as
2046  * described in P802.11be_D2.0 section 9.4.2.313.
2047  *
2048  * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2049  * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2050  */
2051 struct ieee80211_eht_cap_elem_fixed {
2052 	u8 mac_cap_info[2];
2053 	u8 phy_cap_info[9];
2054 } __packed;
2055 
2056 /**
2057  * struct ieee80211_eht_cap_elem - EHT capabilities element
2058  * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2059  * @optional: optional parts
2060  */
2061 struct ieee80211_eht_cap_elem {
2062 	struct ieee80211_eht_cap_elem_fixed fixed;
2063 
2064 	/*
2065 	 * Followed by:
2066 	 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2067 	 * EHT PPE Thresholds field: variable length.
2068 	 */
2069 	u8 optional[];
2070 } __packed;
2071 
2072 #define IEEE80211_EHT_OPER_INFO_PRESENT	                        0x01
2073 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT	0x02
2074 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION	                0x04
2075 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT         0x08
2076 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK      0x30
2077 
2078 /**
2079  * struct ieee80211_eht_operation - eht operation element
2080  *
2081  * This structure is the "EHT Operation Element" fields as
2082  * described in P802.11be_D2.0 section 9.4.2.311
2083  *
2084  * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2085  * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2086  *     EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2087  *     receive.
2088  * @optional: optional parts
2089  */
2090 struct ieee80211_eht_operation {
2091 	u8 params;
2092 	__le32 basic_mcs_nss;
2093 	u8 optional[];
2094 } __packed;
2095 
2096 /**
2097  * struct ieee80211_eht_operation_info - eht operation information
2098  *
2099  * @control: EHT operation information control.
2100  * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2101  *     EHT BSS.
2102  * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2103  * @optional: optional parts
2104  */
2105 struct ieee80211_eht_operation_info {
2106 	u8 control;
2107 	u8 ccfs0;
2108 	u8 ccfs1;
2109 	u8 optional[];
2110 } __packed;
2111 
2112 /* 802.11ac VHT Capabilities */
2113 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895			0x00000000
2114 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991			0x00000001
2115 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454			0x00000002
2116 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK				0x00000003
2117 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
2118 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
2119 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
2120 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT			2
2121 #define IEEE80211_VHT_CAP_RXLDPC				0x00000010
2122 #define IEEE80211_VHT_CAP_SHORT_GI_80				0x00000020
2123 #define IEEE80211_VHT_CAP_SHORT_GI_160				0x00000040
2124 #define IEEE80211_VHT_CAP_TXSTBC				0x00000080
2125 #define IEEE80211_VHT_CAP_RXSTBC_1				0x00000100
2126 #define IEEE80211_VHT_CAP_RXSTBC_2				0x00000200
2127 #define IEEE80211_VHT_CAP_RXSTBC_3				0x00000300
2128 #define IEEE80211_VHT_CAP_RXSTBC_4				0x00000400
2129 #define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
2130 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT				8
2131 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
2132 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
2133 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
2134 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK			\
2135 		(7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2136 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT		16
2137 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK		\
2138 		(7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2139 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE			0x00080000
2140 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE			0x00100000
2141 #define IEEE80211_VHT_CAP_VHT_TXOP_PS				0x00200000
2142 #define IEEE80211_VHT_CAP_HTC_VHT				0x00400000
2143 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
2144 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK	\
2145 		(7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2146 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
2147 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
2148 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN			0x10000000
2149 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN			0x20000000
2150 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT			30
2151 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK			0xc0000000
2152 
2153 /**
2154  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2155  * @cap: VHT capabilities of the peer
2156  * @bw: bandwidth to use
2157  * @mcs: MCS index to use
2158  * @ext_nss_bw_capable: indicates whether or not the local transmitter
2159  *	(rate scaling algorithm) can deal with the new logic
2160  *	(dot11VHTExtendedNSSBWCapable)
2161  * @max_vht_nss: current maximum NSS as advertised by the STA in
2162  *	operating mode notification, can be 0 in which case the
2163  *	capability data will be used to derive this (from MCS support)
2164  *
2165  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2166  * vary for a given BW/MCS. This function parses the data.
2167  *
2168  * Note: This function is exported by cfg80211.
2169  */
2170 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2171 			      enum ieee80211_vht_chanwidth bw,
2172 			      int mcs, bool ext_nss_bw_capable,
2173 			      unsigned int max_vht_nss);
2174 
2175 /**
2176  * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2177  *
2178  * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2179  * @IEEE80211_REG_LPI: Indoor Access Point
2180  * @IEEE80211_REG_SP: Standard power Access Point
2181  * @IEEE80211_REG_VLP: Very low power Access Point
2182  * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2183  * @IEEE80211_REG_AP_POWER_MAX: maximum value
2184  */
2185 enum ieee80211_ap_reg_power {
2186 	IEEE80211_REG_UNSET_AP,
2187 	IEEE80211_REG_LPI_AP,
2188 	IEEE80211_REG_SP_AP,
2189 	IEEE80211_REG_VLP_AP,
2190 	IEEE80211_REG_AP_POWER_AFTER_LAST,
2191 	IEEE80211_REG_AP_POWER_MAX =
2192 		IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2193 };
2194 
2195 /**
2196  * enum ieee80211_client_reg_power - regulatory power for a client
2197  *
2198  * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2199  * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2200  * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2201  * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2202  * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2203  */
2204 enum ieee80211_client_reg_power {
2205 	IEEE80211_REG_UNSET_CLIENT,
2206 	IEEE80211_REG_DEFAULT_CLIENT,
2207 	IEEE80211_REG_SUBORDINATE_CLIENT,
2208 	IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2209 	IEEE80211_REG_CLIENT_POWER_MAX =
2210 		IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2211 };
2212 
2213 /* 802.11ax HE MAC capabilities */
2214 #define IEEE80211_HE_MAC_CAP0_HTC_HE				0x01
2215 #define IEEE80211_HE_MAC_CAP0_TWT_REQ				0x02
2216 #define IEEE80211_HE_MAC_CAP0_TWT_RES				0x04
2217 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP		0x00
2218 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1		0x08
2219 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2		0x10
2220 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3		0x18
2221 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK			0x18
2222 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1		0x00
2223 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2		0x20
2224 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4		0x40
2225 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8		0x60
2226 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16		0x80
2227 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32		0xa0
2228 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64		0xc0
2229 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED	0xe0
2230 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK		0xe0
2231 
2232 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED		0x00
2233 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128			0x01
2234 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256			0x02
2235 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512			0x03
2236 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK		0x03
2237 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US		0x00
2238 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US		0x04
2239 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US		0x08
2240 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK		0x0c
2241 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1		0x00
2242 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2		0x10
2243 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3		0x20
2244 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4		0x30
2245 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5		0x40
2246 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6		0x50
2247 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7		0x60
2248 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8		0x70
2249 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK		0x70
2250 
2251 /* Link adaptation is split between byte HE_MAC_CAP1 and
2252  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2253  * in which case the following values apply:
2254  * 0 = No feedback.
2255  * 1 = reserved.
2256  * 2 = Unsolicited feedback.
2257  * 3 = both
2258  */
2259 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION			0x80
2260 
2261 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION			0x01
2262 #define IEEE80211_HE_MAC_CAP2_ALL_ACK				0x02
2263 #define IEEE80211_HE_MAC_CAP2_TRS				0x04
2264 #define IEEE80211_HE_MAC_CAP2_BSR				0x08
2265 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT				0x10
2266 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP			0x20
2267 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING			0x40
2268 #define IEEE80211_HE_MAC_CAP2_ACK_EN				0x80
2269 
2270 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL			0x02
2271 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA				0x04
2272 
2273 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2274  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2275  * same field in the HE capabilities.
2276  */
2277 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0		0x00
2278 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1		0x08
2279 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2		0x10
2280 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3		0x18
2281 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK		0x18
2282 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG			0x20
2283 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED			0x40
2284 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS		0x80
2285 
2286 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG		0x01
2287 #define IEEE80211_HE_MAC_CAP4_QTP				0x02
2288 #define IEEE80211_HE_MAC_CAP4_BQR				0x04
2289 #define IEEE80211_HE_MAC_CAP4_PSR_RESP				0x08
2290 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP			0x10
2291 #define IEEE80211_HE_MAC_CAP4_OPS				0x20
2292 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU			0x40
2293 /* Multi TID agg TX is split between byte #4 and #5
2294  * The value is a combination of B39,B40,B41
2295  */
2296 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39		0x80
2297 
2298 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40		0x01
2299 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41		0x02
2300 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION	0x04
2301 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU			0x08
2302 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX		0x10
2303 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS			0x20
2304 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING		0x40
2305 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX		0x80
2306 
2307 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR	20
2308 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR	16
2309 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR	13
2310 
2311 /* 802.11ax HE PHY capabilities */
2312 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G		0x02
2313 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G	0x04
2314 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G		0x08
2315 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G	0x10
2316 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL		0x1e
2317 
2318 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G	0x20
2319 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G	0x40
2320 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK			0xfe
2321 
2322 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ	0x01
2323 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ	0x02
2324 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ	0x04
2325 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ	0x08
2326 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK			0x0f
2327 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A				0x10
2328 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD			0x20
2329 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US		0x40
2330 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2331 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS			0x80
2332 
2333 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS			0x01
2334 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US			0x02
2335 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ			0x04
2336 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ			0x08
2337 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX				0x10
2338 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX				0x20
2339 
2340 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2341  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2342  * case it indicates support for Tx.
2343  */
2344 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO			0x40
2345 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO			0x80
2346 
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM			0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK			0x01
2349 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK			0x02
2350 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM			0x03
2351 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK			0x03
2352 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1				0x00
2353 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2				0x04
2354 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM			0x00
2355 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK			0x08
2356 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK			0x10
2357 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM			0x18
2358 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK			0x18
2359 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1				0x00
2360 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2				0x20
2361 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU		0x40
2362 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER				0x80
2363 
2364 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE				0x01
2365 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER				0x02
2366 
2367 /* Minimal allowed value of Max STS under 80MHz is 3 */
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4		0x0c
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5		0x10
2370 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6		0x14
2371 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7		0x18
2372 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8		0x1c
2373 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK	0x1c
2374 
2375 /* Minimal allowed value of Max STS above 80MHz is 3 */
2376 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4		0x60
2377 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5		0x80
2378 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6		0xa0
2379 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7		0xc0
2380 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8		0xe0
2381 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK	0xe0
2382 
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1	0x00
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2	0x01
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3	0x02
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4	0x03
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5	0x04
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6	0x05
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7	0x06
2390 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8	0x07
2391 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK	0x07
2392 
2393 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1	0x00
2394 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2	0x08
2395 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3	0x10
2396 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4	0x18
2397 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5	0x20
2398 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6	0x28
2399 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7	0x30
2400 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8	0x38
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK	0x38
2402 
2403 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK				0x40
2404 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK				0x80
2405 
2406 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU			0x01
2407 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU			0x02
2408 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB			0x04
2409 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB		0x08
2410 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB				0x10
2411 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE			0x20
2412 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO		0x40
2413 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT			0x80
2414 
2415 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR				0x01
2416 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP			0x02
2417 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI		0x04
2418 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1					0x08
2419 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2					0x10
2420 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3					0x18
2421 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4					0x20
2422 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5					0x28
2423 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6					0x30
2424 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7					0x38
2425 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK				0x38
2426 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ			0x40
2427 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ			0x80
2428 
2429 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI		0x01
2430 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G		0x02
2431 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU			0x04
2432 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU			0x08
2433 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI		0x10
2434 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF		0x20
2435 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242				0x00
2436 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484				0x40
2437 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996				0x80
2438 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996				0xc0
2439 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK				0xc0
2440 
2441 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM		0x01
2442 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK		0x02
2443 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU		0x04
2444 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU		0x08
2445 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB	0x10
2446 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB	0x20
2447 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US			0x0
2448 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US			0x1
2449 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US			0x2
2450 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED		0x3
2451 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS			6
2452 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK			0xc0
2453 
2454 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF			0x01
2455 
2456 /* 802.11ax HE TX/RX MCS NSS Support  */
2457 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS			(3)
2458 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS			(6)
2459 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS			(11)
2460 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK			0x07c0
2461 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK			0xf800
2462 
2463 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2464 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2465 	HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2466 	HIGHEST_MCS_SUPPORTED_MCS8,
2467 	HIGHEST_MCS_SUPPORTED_MCS9,
2468 	HIGHEST_MCS_SUPPORTED_MCS10,
2469 	HIGHEST_MCS_SUPPORTED_MCS11,
2470 };
2471 
2472 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2473 static inline u8
2474 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2475 {
2476 	u8 count = 4;
2477 
2478 	if (he_cap->phy_cap_info[0] &
2479 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2480 		count += 4;
2481 
2482 	if (he_cap->phy_cap_info[0] &
2483 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2484 		count += 4;
2485 
2486 	return count;
2487 }
2488 
2489 /* 802.11ax HE PPE Thresholds */
2490 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS			(1)
2491 #define IEEE80211_PPE_THRES_NSS_POS				(0)
2492 #define IEEE80211_PPE_THRES_NSS_MASK				(7)
2493 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU	\
2494 	(BIT(5) | BIT(6))
2495 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK		0x78
2496 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS		(3)
2497 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE			(3)
2498 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE			(7)
2499 
2500 /*
2501  * Calculate 802.11ax HE capabilities IE PPE field size
2502  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2503  */
2504 static inline u8
2505 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2506 {
2507 	u8 n;
2508 
2509 	if ((phy_cap_info[6] &
2510 	     IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2511 		return 0;
2512 
2513 	n = hweight8(ppe_thres_hdr &
2514 		     IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2515 	n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2516 		   IEEE80211_PPE_THRES_NSS_POS));
2517 
2518 	/*
2519 	 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2520 	 * total size.
2521 	 */
2522 	n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2523 	n = DIV_ROUND_UP(n, 8);
2524 
2525 	return n;
2526 }
2527 
2528 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2529 {
2530 	const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2531 	u8 needed = sizeof(*he_cap_ie_elem);
2532 
2533 	if (len < needed)
2534 		return false;
2535 
2536 	needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2537 	if (len < needed)
2538 		return false;
2539 
2540 	if (he_cap_ie_elem->phy_cap_info[6] &
2541 			IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2542 		if (len < needed + 1)
2543 			return false;
2544 		needed += ieee80211_he_ppe_size(data[needed],
2545 						he_cap_ie_elem->phy_cap_info);
2546 	}
2547 
2548 	return len >= needed;
2549 }
2550 
2551 /* HE Operation defines */
2552 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK		0x00000007
2553 #define IEEE80211_HE_OPERATION_TWT_REQUIRED			0x00000008
2554 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK		0x00003ff0
2555 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET		4
2556 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO			0x00004000
2557 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS			0x00008000
2558 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE			0x00010000
2559 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO			0x00020000
2560 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK			0x3f000000
2561 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET			24
2562 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR		0x40000000
2563 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED		0x80000000
2564 
2565 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP	0
2566 #define IEEE80211_6GHZ_CTRL_REG_SP_AP	1
2567 
2568 /**
2569  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2570  * @primary: primary channel
2571  * @control: control flags
2572  * @ccfs0: channel center frequency segment 0
2573  * @ccfs1: channel center frequency segment 1
2574  * @minrate: minimum rate (in 1 Mbps units)
2575  */
2576 struct ieee80211_he_6ghz_oper {
2577 	u8 primary;
2578 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH	0x3
2579 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ	0
2580 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ	1
2581 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ	2
2582 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ	3
2583 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON	0x4
2584 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO	0x38
2585 	u8 control;
2586 	u8 ccfs0;
2587 	u8 ccfs1;
2588 	u8 minrate;
2589 } __packed;
2590 
2591 /*
2592  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2593  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2594  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2595  * Info subfield encoding in the United States".
2596  * So it it totally max 8 Transmit Power Envelope element.
2597  */
2598 #define IEEE80211_TPE_MAX_IE_COUNT	8
2599 /*
2600  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2601  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2602  */
2603 #define IEEE80211_MAX_NUM_PWR_LEVEL	8
2604 
2605 #define IEEE80211_TPE_MAX_POWER_COUNT	8
2606 
2607 /* transmit power interpretation type of transmit power envelope element */
2608 enum ieee80211_tx_power_intrpt_type {
2609 	IEEE80211_TPE_LOCAL_EIRP,
2610 	IEEE80211_TPE_LOCAL_EIRP_PSD,
2611 	IEEE80211_TPE_REG_CLIENT_EIRP,
2612 	IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2613 };
2614 
2615 /**
2616  * struct ieee80211_tx_pwr_env
2617  *
2618  * This structure represents the "Transmit Power Envelope element"
2619  */
2620 struct ieee80211_tx_pwr_env {
2621 	u8 tx_power_info;
2622 	s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2623 } __packed;
2624 
2625 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2626 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2627 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2628 
2629 /*
2630  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2631  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2632  *	after the ext ID byte. It is assumed that he_oper_ie has at least
2633  *	sizeof(struct ieee80211_he_operation) bytes, the caller must have
2634  *	validated this.
2635  * @return the actual size of the IE data (not including header), or 0 on error
2636  */
2637 static inline u8
2638 ieee80211_he_oper_size(const u8 *he_oper_ie)
2639 {
2640 	const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2641 	u8 oper_len = sizeof(struct ieee80211_he_operation);
2642 	u32 he_oper_params;
2643 
2644 	/* Make sure the input is not NULL */
2645 	if (!he_oper_ie)
2646 		return 0;
2647 
2648 	/* Calc required length */
2649 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2650 	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2651 		oper_len += 3;
2652 	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2653 		oper_len++;
2654 	if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2655 		oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2656 
2657 	/* Add the first byte (extension ID) to the total length */
2658 	oper_len++;
2659 
2660 	return oper_len;
2661 }
2662 
2663 /**
2664  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2665  * @he_oper: HE operation element (must be pre-validated for size)
2666  *	but may be %NULL
2667  *
2668  * Return: a pointer to the 6 GHz operation field, or %NULL
2669  */
2670 static inline const struct ieee80211_he_6ghz_oper *
2671 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2672 {
2673 	const u8 *ret = (const void *)&he_oper->optional;
2674 	u32 he_oper_params;
2675 
2676 	if (!he_oper)
2677 		return NULL;
2678 
2679 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2680 
2681 	if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2682 		return NULL;
2683 	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2684 		ret += 3;
2685 	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2686 		ret++;
2687 
2688 	return (const void *)ret;
2689 }
2690 
2691 /* HE Spatial Reuse defines */
2692 #define IEEE80211_HE_SPR_PSR_DISALLOWED				BIT(0)
2693 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED		BIT(1)
2694 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT			BIT(2)
2695 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT		BIT(3)
2696 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED		BIT(4)
2697 
2698 /*
2699  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2700  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2701  *	after the ext ID byte. It is assumed that he_spr_ie has at least
2702  *	sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2703  *	this
2704  * @return the actual size of the IE data (not including header), or 0 on error
2705  */
2706 static inline u8
2707 ieee80211_he_spr_size(const u8 *he_spr_ie)
2708 {
2709 	const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2710 	u8 spr_len = sizeof(struct ieee80211_he_spr);
2711 	u8 he_spr_params;
2712 
2713 	/* Make sure the input is not NULL */
2714 	if (!he_spr_ie)
2715 		return 0;
2716 
2717 	/* Calc required length */
2718 	he_spr_params = he_spr->he_sr_control;
2719 	if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2720 		spr_len++;
2721 	if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2722 		spr_len += 18;
2723 
2724 	/* Add the first byte (extension ID) to the total length */
2725 	spr_len++;
2726 
2727 	return spr_len;
2728 }
2729 
2730 /* S1G Capabilities Information field */
2731 #define IEEE80211_S1G_CAPABILITY_LEN	15
2732 
2733 #define S1G_CAP0_S1G_LONG	BIT(0)
2734 #define S1G_CAP0_SGI_1MHZ	BIT(1)
2735 #define S1G_CAP0_SGI_2MHZ	BIT(2)
2736 #define S1G_CAP0_SGI_4MHZ	BIT(3)
2737 #define S1G_CAP0_SGI_8MHZ	BIT(4)
2738 #define S1G_CAP0_SGI_16MHZ	BIT(5)
2739 #define S1G_CAP0_SUPP_CH_WIDTH	GENMASK(7, 6)
2740 
2741 #define S1G_SUPP_CH_WIDTH_2	0
2742 #define S1G_SUPP_CH_WIDTH_4	1
2743 #define S1G_SUPP_CH_WIDTH_8	2
2744 #define S1G_SUPP_CH_WIDTH_16	3
2745 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2746 						    cap[0])) << 1)
2747 
2748 #define S1G_CAP1_RX_LDPC	BIT(0)
2749 #define S1G_CAP1_TX_STBC	BIT(1)
2750 #define S1G_CAP1_RX_STBC	BIT(2)
2751 #define S1G_CAP1_SU_BFER	BIT(3)
2752 #define S1G_CAP1_SU_BFEE	BIT(4)
2753 #define S1G_CAP1_BFEE_STS	GENMASK(7, 5)
2754 
2755 #define S1G_CAP2_SOUNDING_DIMENSIONS	GENMASK(2, 0)
2756 #define S1G_CAP2_MU_BFER		BIT(3)
2757 #define S1G_CAP2_MU_BFEE		BIT(4)
2758 #define S1G_CAP2_PLUS_HTC_VHT		BIT(5)
2759 #define S1G_CAP2_TRAVELING_PILOT	GENMASK(7, 6)
2760 
2761 #define S1G_CAP3_RD_RESPONDER		BIT(0)
2762 #define S1G_CAP3_HT_DELAYED_BA		BIT(1)
2763 #define S1G_CAP3_MAX_MPDU_LEN		BIT(2)
2764 #define S1G_CAP3_MAX_AMPDU_LEN_EXP	GENMASK(4, 3)
2765 #define S1G_CAP3_MIN_MPDU_START		GENMASK(7, 5)
2766 
2767 #define S1G_CAP4_UPLINK_SYNC	BIT(0)
2768 #define S1G_CAP4_DYNAMIC_AID	BIT(1)
2769 #define S1G_CAP4_BAT		BIT(2)
2770 #define S1G_CAP4_TIME_ADE	BIT(3)
2771 #define S1G_CAP4_NON_TIM	BIT(4)
2772 #define S1G_CAP4_GROUP_AID	BIT(5)
2773 #define S1G_CAP4_STA_TYPE	GENMASK(7, 6)
2774 
2775 #define S1G_CAP5_CENT_AUTH_CONTROL	BIT(0)
2776 #define S1G_CAP5_DIST_AUTH_CONTROL	BIT(1)
2777 #define S1G_CAP5_AMSDU			BIT(2)
2778 #define S1G_CAP5_AMPDU			BIT(3)
2779 #define S1G_CAP5_ASYMMETRIC_BA		BIT(4)
2780 #define S1G_CAP5_FLOW_CONTROL		BIT(5)
2781 #define S1G_CAP5_SECTORIZED_BEAM	GENMASK(7, 6)
2782 
2783 #define S1G_CAP6_OBSS_MITIGATION	BIT(0)
2784 #define S1G_CAP6_FRAGMENT_BA		BIT(1)
2785 #define S1G_CAP6_NDP_PS_POLL		BIT(2)
2786 #define S1G_CAP6_RAW_OPERATION		BIT(3)
2787 #define S1G_CAP6_PAGE_SLICING		BIT(4)
2788 #define S1G_CAP6_TXOP_SHARING_IMP_ACK	BIT(5)
2789 #define S1G_CAP6_VHT_LINK_ADAPT		GENMASK(7, 6)
2790 
2791 #define S1G_CAP7_TACK_AS_PS_POLL		BIT(0)
2792 #define S1G_CAP7_DUP_1MHZ			BIT(1)
2793 #define S1G_CAP7_MCS_NEGOTIATION		BIT(2)
2794 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE	BIT(3)
2795 #define S1G_CAP7_NDP_BFING_REPORT_POLL		BIT(4)
2796 #define S1G_CAP7_UNSOLICITED_DYN_AID		BIT(5)
2797 #define S1G_CAP7_SECTOR_TRAINING_OPERATION	BIT(6)
2798 #define S1G_CAP7_TEMP_PS_MODE_SWITCH		BIT(7)
2799 
2800 #define S1G_CAP8_TWT_GROUPING	BIT(0)
2801 #define S1G_CAP8_BDT		BIT(1)
2802 #define S1G_CAP8_COLOR		GENMASK(4, 2)
2803 #define S1G_CAP8_TWT_REQUEST	BIT(5)
2804 #define S1G_CAP8_TWT_RESPOND	BIT(6)
2805 #define S1G_CAP8_PV1_FRAME	BIT(7)
2806 
2807 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2808 
2809 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ	BIT(0)
2810 #define S1G_OPER_CH_WIDTH_OPER		GENMASK(4, 1)
2811 
2812 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2813 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS			0x01
2814 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL			0x02
2815 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1		0x04
2816 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2		0x08
2817 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT			0x10
2818 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC			0x20
2819 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK		0xc0
2820 #define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895	        0
2821 #define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991	        1
2822 #define	IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454	        2
2823 
2824 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK		0x01
2825 
2826 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2827 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ			0x02
2828 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ		0x04
2829 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI		0x08
2830 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO		0x10
2831 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER			0x20
2832 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE			0x40
2833 
2834 /* EHT beamformee number of spatial streams <= 80MHz is split */
2835 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK		0x80
2836 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK		0x03
2837 
2838 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK	0x1c
2839 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK	0xe0
2840 
2841 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK		0x07
2842 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK		0x38
2843 
2844 /* EHT number of sounding dimensions for 320MHz is split */
2845 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK		0xc0
2846 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK		0x01
2847 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK		0x02
2848 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK		0x04
2849 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK		0x08
2850 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK		0x10
2851 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK			0x20
2852 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK		0x40
2853 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK			0x80
2854 
2855 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO		0x01
2856 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP			0x02
2857 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP		0x04
2858 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI	0x08
2859 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK			0xf0
2860 
2861 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK		0x01
2862 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP		0x02
2863 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP		0x04
2864 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT		0x08
2865 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK	0x30
2866 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US	0
2867 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US	1
2868 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US	2
2869 #define   IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US	3
2870 
2871 /* Maximum number of supported EHT LTF is split */
2872 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK	0xc0
2873 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK	0x07
2874 
2875 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK			0x78
2876 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP		0x80
2877 
2878 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW	0x01
2879 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ	0x02
2880 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ	0x04
2881 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ	0x08
2882 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ		0x10
2883 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ		0x20
2884 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ		0x40
2885 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT	0x80
2886 
2887 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA	0x01
2888 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA	0x02
2889 
2890 /*
2891  * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2892  */
2893 #define IEEE80211_EHT_OPER_CHAN_WIDTH		0x7
2894 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ	0
2895 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ	1
2896 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ	2
2897 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ	3
2898 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ	4
2899 
2900 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2901 static inline u8
2902 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2903 			   const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2904 			   bool from_ap)
2905 {
2906 	u8 count = 0;
2907 
2908 	/* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2909 	if (he_cap->phy_cap_info[0] &
2910 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2911 		return 3;
2912 
2913 	/* on 2.4 GHz, these three bits are reserved, so should be 0 */
2914 	if (he_cap->phy_cap_info[0] &
2915 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2916 		count += 3;
2917 
2918 	if (he_cap->phy_cap_info[0] &
2919 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2920 		count += 3;
2921 
2922 	if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2923 		count += 3;
2924 
2925 	if (count)
2926 		return count;
2927 
2928 	return from_ap ? 3 : 4;
2929 }
2930 
2931 /* 802.11be EHT PPE Thresholds */
2932 #define IEEE80211_EHT_PPE_THRES_NSS_POS			0
2933 #define IEEE80211_EHT_PPE_THRES_NSS_MASK		0xf
2934 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK	0x1f0
2935 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE		3
2936 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE	9
2937 
2938 /*
2939  * Calculate 802.11be EHT capabilities IE EHT field size
2940  */
2941 static inline u8
2942 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2943 {
2944 	u32 n;
2945 
2946 	if (!(phy_cap_info[5] &
2947 	      IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2948 		return 0;
2949 
2950 	n = hweight16(ppe_thres_hdr &
2951 		      IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2952 	n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2953 
2954 	/*
2955 	 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2956 	 * total size.
2957 	 */
2958 	n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2959 	    IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2960 	return DIV_ROUND_UP(n, 8);
2961 }
2962 
2963 static inline bool
2964 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2965 			   bool from_ap)
2966 {
2967 	const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2968 	u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2969 
2970 	if (len < needed || !he_capa)
2971 		return false;
2972 
2973 	needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2974 					     (const void *)data,
2975 					     from_ap);
2976 	if (len < needed)
2977 		return false;
2978 
2979 	if (elem->phy_cap_info[5] &
2980 			IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2981 		u16 ppe_thres_hdr;
2982 
2983 		if (len < needed + sizeof(ppe_thres_hdr))
2984 			return false;
2985 
2986 		ppe_thres_hdr = get_unaligned_le16(data + needed);
2987 		needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2988 						 elem->phy_cap_info);
2989 	}
2990 
2991 	return len >= needed;
2992 }
2993 
2994 static inline bool
2995 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2996 {
2997 	const struct ieee80211_eht_operation *elem = (const void *)data;
2998 	u8 needed = sizeof(*elem);
2999 
3000 	if (len < needed)
3001 		return false;
3002 
3003 	if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3004 		needed += 3;
3005 
3006 		if (elem->params &
3007 		    IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3008 			needed += 2;
3009 	}
3010 
3011 	return len >= needed;
3012 }
3013 
3014 #define LISTEN_INT_USF	GENMASK(15, 14)
3015 #define LISTEN_INT_UI	GENMASK(13, 0)
3016 
3017 #define IEEE80211_MAX_USF	FIELD_MAX(LISTEN_INT_USF)
3018 #define IEEE80211_MAX_UI	FIELD_MAX(LISTEN_INT_UI)
3019 
3020 /* Authentication algorithms */
3021 #define WLAN_AUTH_OPEN 0
3022 #define WLAN_AUTH_SHARED_KEY 1
3023 #define WLAN_AUTH_FT 2
3024 #define WLAN_AUTH_SAE 3
3025 #define WLAN_AUTH_FILS_SK 4
3026 #define WLAN_AUTH_FILS_SK_PFS 5
3027 #define WLAN_AUTH_FILS_PK 6
3028 #define WLAN_AUTH_LEAP 128
3029 
3030 #define WLAN_AUTH_CHALLENGE_LEN 128
3031 
3032 #define WLAN_CAPABILITY_ESS		(1<<0)
3033 #define WLAN_CAPABILITY_IBSS		(1<<1)
3034 
3035 /*
3036  * A mesh STA sets the ESS and IBSS capability bits to zero.
3037  * however, this holds true for p2p probe responses (in the p2p_find
3038  * phase) as well.
3039  */
3040 #define WLAN_CAPABILITY_IS_STA_BSS(cap)	\
3041 	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3042 
3043 #define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)
3044 #define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)
3045 #define WLAN_CAPABILITY_PRIVACY		(1<<4)
3046 #define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)
3047 #define WLAN_CAPABILITY_PBCC		(1<<6)
3048 #define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)
3049 
3050 /* 802.11h */
3051 #define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
3052 #define WLAN_CAPABILITY_QOS		(1<<9)
3053 #define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
3054 #define WLAN_CAPABILITY_APSD		(1<<11)
3055 #define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
3056 #define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
3057 #define WLAN_CAPABILITY_DEL_BACK	(1<<14)
3058 #define WLAN_CAPABILITY_IMM_BACK	(1<<15)
3059 
3060 /* DMG (60gHz) 802.11ad */
3061 /* type - bits 0..1 */
3062 #define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
3063 #define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
3064 #define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
3065 #define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */
3066 
3067 #define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
3068 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
3069 #define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
3070 #define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)
3071 
3072 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT	(1<<8)
3073 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE	(1<<12)
3074 
3075 /* measurement */
3076 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE	(1<<0)
3077 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE	(1<<1)
3078 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED	(1<<2)
3079 
3080 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC	0
3081 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA	1
3082 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI	2
3083 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI	8
3084 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC	11
3085 
3086 /* 802.11g ERP information element */
3087 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3088 #define WLAN_ERP_USE_PROTECTION (1<<1)
3089 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3090 
3091 /* WLAN_ERP_BARKER_PREAMBLE values */
3092 enum {
3093 	WLAN_ERP_PREAMBLE_SHORT = 0,
3094 	WLAN_ERP_PREAMBLE_LONG = 1,
3095 };
3096 
3097 /* Band ID, 802.11ad #8.4.1.45 */
3098 enum {
3099 	IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3100 	IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
3101 	IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
3102 	IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
3103 	IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
3104 	IEEE80211_BANDID_60G   = 5, /* 60 GHz */
3105 };
3106 
3107 /* Status codes */
3108 enum ieee80211_statuscode {
3109 	WLAN_STATUS_SUCCESS = 0,
3110 	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3111 	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3112 	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3113 	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3114 	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3115 	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3116 	WLAN_STATUS_CHALLENGE_FAIL = 15,
3117 	WLAN_STATUS_AUTH_TIMEOUT = 16,
3118 	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3119 	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3120 	/* 802.11b */
3121 	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3122 	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3123 	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3124 	/* 802.11h */
3125 	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3126 	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3127 	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3128 	/* 802.11g */
3129 	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3130 	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3131 	/* 802.11w */
3132 	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3133 	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3134 	/* 802.11i */
3135 	WLAN_STATUS_INVALID_IE = 40,
3136 	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3137 	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3138 	WLAN_STATUS_INVALID_AKMP = 43,
3139 	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3140 	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3141 	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3142 	/* 802.11e */
3143 	WLAN_STATUS_UNSPECIFIED_QOS = 32,
3144 	WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3145 	WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3146 	WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3147 	WLAN_STATUS_REQUEST_DECLINED = 37,
3148 	WLAN_STATUS_INVALID_QOS_PARAM = 38,
3149 	WLAN_STATUS_CHANGE_TSPEC = 39,
3150 	WLAN_STATUS_WAIT_TS_DELAY = 47,
3151 	WLAN_STATUS_NO_DIRECT_LINK = 48,
3152 	WLAN_STATUS_STA_NOT_PRESENT = 49,
3153 	WLAN_STATUS_STA_NOT_QSTA = 50,
3154 	/* 802.11s */
3155 	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3156 	WLAN_STATUS_FCG_NOT_SUPP = 78,
3157 	WLAN_STATUS_STA_NO_TBTT = 78,
3158 	/* 802.11ad */
3159 	WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3160 	WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3161 	WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3162 	WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3163 	WLAN_STATUS_PERFORMING_FST_NOW = 87,
3164 	WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3165 	WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3166 	WLAN_STATUS_REJECT_DSE_BAND = 96,
3167 	WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3168 	WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3169 	/* 802.11ai */
3170 	WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3171 	WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3172 	WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3173 	WLAN_STATUS_SAE_PK = 127,
3174 };
3175 
3176 
3177 /* Reason codes */
3178 enum ieee80211_reasoncode {
3179 	WLAN_REASON_UNSPECIFIED = 1,
3180 	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3181 	WLAN_REASON_DEAUTH_LEAVING = 3,
3182 	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3183 	WLAN_REASON_DISASSOC_AP_BUSY = 5,
3184 	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3185 	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3186 	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3187 	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3188 	/* 802.11h */
3189 	WLAN_REASON_DISASSOC_BAD_POWER = 10,
3190 	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3191 	/* 802.11i */
3192 	WLAN_REASON_INVALID_IE = 13,
3193 	WLAN_REASON_MIC_FAILURE = 14,
3194 	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3195 	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3196 	WLAN_REASON_IE_DIFFERENT = 17,
3197 	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3198 	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3199 	WLAN_REASON_INVALID_AKMP = 20,
3200 	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3201 	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3202 	WLAN_REASON_IEEE8021X_FAILED = 23,
3203 	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3204 	/* TDLS (802.11z) */
3205 	WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3206 	WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3207 	/* 802.11e */
3208 	WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3209 	WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3210 	WLAN_REASON_DISASSOC_LOW_ACK = 34,
3211 	WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3212 	WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3213 	WLAN_REASON_QSTA_NOT_USE = 37,
3214 	WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3215 	WLAN_REASON_QSTA_TIMEOUT = 39,
3216 	WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3217 	/* 802.11s */
3218 	WLAN_REASON_MESH_PEER_CANCELED = 52,
3219 	WLAN_REASON_MESH_MAX_PEERS = 53,
3220 	WLAN_REASON_MESH_CONFIG = 54,
3221 	WLAN_REASON_MESH_CLOSE = 55,
3222 	WLAN_REASON_MESH_MAX_RETRIES = 56,
3223 	WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3224 	WLAN_REASON_MESH_INVALID_GTK = 58,
3225 	WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3226 	WLAN_REASON_MESH_INVALID_SECURITY = 60,
3227 	WLAN_REASON_MESH_PATH_ERROR = 61,
3228 	WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3229 	WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3230 	WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3231 	WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3232 	WLAN_REASON_MESH_CHAN = 66,
3233 };
3234 
3235 
3236 /* Information Element IDs */
3237 enum ieee80211_eid {
3238 	WLAN_EID_SSID = 0,
3239 	WLAN_EID_SUPP_RATES = 1,
3240 	WLAN_EID_FH_PARAMS = 2, /* reserved now */
3241 	WLAN_EID_DS_PARAMS = 3,
3242 	WLAN_EID_CF_PARAMS = 4,
3243 	WLAN_EID_TIM = 5,
3244 	WLAN_EID_IBSS_PARAMS = 6,
3245 	WLAN_EID_COUNTRY = 7,
3246 	/* 8, 9 reserved */
3247 	WLAN_EID_REQUEST = 10,
3248 	WLAN_EID_QBSS_LOAD = 11,
3249 	WLAN_EID_EDCA_PARAM_SET = 12,
3250 	WLAN_EID_TSPEC = 13,
3251 	WLAN_EID_TCLAS = 14,
3252 	WLAN_EID_SCHEDULE = 15,
3253 	WLAN_EID_CHALLENGE = 16,
3254 	/* 17-31 reserved for challenge text extension */
3255 	WLAN_EID_PWR_CONSTRAINT = 32,
3256 	WLAN_EID_PWR_CAPABILITY = 33,
3257 	WLAN_EID_TPC_REQUEST = 34,
3258 	WLAN_EID_TPC_REPORT = 35,
3259 	WLAN_EID_SUPPORTED_CHANNELS = 36,
3260 	WLAN_EID_CHANNEL_SWITCH = 37,
3261 	WLAN_EID_MEASURE_REQUEST = 38,
3262 	WLAN_EID_MEASURE_REPORT = 39,
3263 	WLAN_EID_QUIET = 40,
3264 	WLAN_EID_IBSS_DFS = 41,
3265 	WLAN_EID_ERP_INFO = 42,
3266 	WLAN_EID_TS_DELAY = 43,
3267 	WLAN_EID_TCLAS_PROCESSING = 44,
3268 	WLAN_EID_HT_CAPABILITY = 45,
3269 	WLAN_EID_QOS_CAPA = 46,
3270 	/* 47 reserved for Broadcom */
3271 	WLAN_EID_RSN = 48,
3272 	WLAN_EID_802_15_COEX = 49,
3273 	WLAN_EID_EXT_SUPP_RATES = 50,
3274 	WLAN_EID_AP_CHAN_REPORT = 51,
3275 	WLAN_EID_NEIGHBOR_REPORT = 52,
3276 	WLAN_EID_RCPI = 53,
3277 	WLAN_EID_MOBILITY_DOMAIN = 54,
3278 	WLAN_EID_FAST_BSS_TRANSITION = 55,
3279 	WLAN_EID_TIMEOUT_INTERVAL = 56,
3280 	WLAN_EID_RIC_DATA = 57,
3281 	WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3282 	WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3283 	WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3284 	WLAN_EID_HT_OPERATION = 61,
3285 	WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3286 	WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3287 	WLAN_EID_ANTENNA_INFO = 64,
3288 	WLAN_EID_RSNI = 65,
3289 	WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3290 	WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3291 	WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3292 	WLAN_EID_TIME_ADVERTISEMENT = 69,
3293 	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3294 	WLAN_EID_MULTIPLE_BSSID = 71,
3295 	WLAN_EID_BSS_COEX_2040 = 72,
3296 	WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3297 	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3298 	WLAN_EID_RIC_DESCRIPTOR = 75,
3299 	WLAN_EID_MMIE = 76,
3300 	WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3301 	WLAN_EID_EVENT_REQUEST = 78,
3302 	WLAN_EID_EVENT_REPORT = 79,
3303 	WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3304 	WLAN_EID_DIAGNOSTIC_REPORT = 81,
3305 	WLAN_EID_LOCATION_PARAMS = 82,
3306 	WLAN_EID_NON_TX_BSSID_CAP =  83,
3307 	WLAN_EID_SSID_LIST = 84,
3308 	WLAN_EID_MULTI_BSSID_IDX = 85,
3309 	WLAN_EID_FMS_DESCRIPTOR = 86,
3310 	WLAN_EID_FMS_REQUEST = 87,
3311 	WLAN_EID_FMS_RESPONSE = 88,
3312 	WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3313 	WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3314 	WLAN_EID_TSF_REQUEST = 91,
3315 	WLAN_EID_TSF_RESPOSNE = 92,
3316 	WLAN_EID_WNM_SLEEP_MODE = 93,
3317 	WLAN_EID_TIM_BCAST_REQ = 94,
3318 	WLAN_EID_TIM_BCAST_RESP = 95,
3319 	WLAN_EID_COLL_IF_REPORT = 96,
3320 	WLAN_EID_CHANNEL_USAGE = 97,
3321 	WLAN_EID_TIME_ZONE = 98,
3322 	WLAN_EID_DMS_REQUEST = 99,
3323 	WLAN_EID_DMS_RESPONSE = 100,
3324 	WLAN_EID_LINK_ID = 101,
3325 	WLAN_EID_WAKEUP_SCHEDUL = 102,
3326 	/* 103 reserved */
3327 	WLAN_EID_CHAN_SWITCH_TIMING = 104,
3328 	WLAN_EID_PTI_CONTROL = 105,
3329 	WLAN_EID_PU_BUFFER_STATUS = 106,
3330 	WLAN_EID_INTERWORKING = 107,
3331 	WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3332 	WLAN_EID_EXPEDITED_BW_REQ = 109,
3333 	WLAN_EID_QOS_MAP_SET = 110,
3334 	WLAN_EID_ROAMING_CONSORTIUM = 111,
3335 	WLAN_EID_EMERGENCY_ALERT = 112,
3336 	WLAN_EID_MESH_CONFIG = 113,
3337 	WLAN_EID_MESH_ID = 114,
3338 	WLAN_EID_LINK_METRIC_REPORT = 115,
3339 	WLAN_EID_CONGESTION_NOTIFICATION = 116,
3340 	WLAN_EID_PEER_MGMT = 117,
3341 	WLAN_EID_CHAN_SWITCH_PARAM = 118,
3342 	WLAN_EID_MESH_AWAKE_WINDOW = 119,
3343 	WLAN_EID_BEACON_TIMING = 120,
3344 	WLAN_EID_MCCAOP_SETUP_REQ = 121,
3345 	WLAN_EID_MCCAOP_SETUP_RESP = 122,
3346 	WLAN_EID_MCCAOP_ADVERT = 123,
3347 	WLAN_EID_MCCAOP_TEARDOWN = 124,
3348 	WLAN_EID_GANN = 125,
3349 	WLAN_EID_RANN = 126,
3350 	WLAN_EID_EXT_CAPABILITY = 127,
3351 	/* 128, 129 reserved for Agere */
3352 	WLAN_EID_PREQ = 130,
3353 	WLAN_EID_PREP = 131,
3354 	WLAN_EID_PERR = 132,
3355 	/* 133-136 reserved for Cisco */
3356 	WLAN_EID_PXU = 137,
3357 	WLAN_EID_PXUC = 138,
3358 	WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3359 	WLAN_EID_MIC = 140,
3360 	WLAN_EID_DESTINATION_URI = 141,
3361 	WLAN_EID_UAPSD_COEX = 142,
3362 	WLAN_EID_WAKEUP_SCHEDULE = 143,
3363 	WLAN_EID_EXT_SCHEDULE = 144,
3364 	WLAN_EID_STA_AVAILABILITY = 145,
3365 	WLAN_EID_DMG_TSPEC = 146,
3366 	WLAN_EID_DMG_AT = 147,
3367 	WLAN_EID_DMG_CAP = 148,
3368 	/* 149 reserved for Cisco */
3369 	WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3370 	WLAN_EID_DMG_OPERATION = 151,
3371 	WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3372 	WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3373 	WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3374 	/* 155-156 reserved for Cisco */
3375 	WLAN_EID_AWAKE_WINDOW = 157,
3376 	WLAN_EID_MULTI_BAND = 158,
3377 	WLAN_EID_ADDBA_EXT = 159,
3378 	WLAN_EID_NEXT_PCP_LIST = 160,
3379 	WLAN_EID_PCP_HANDOVER = 161,
3380 	WLAN_EID_DMG_LINK_MARGIN = 162,
3381 	WLAN_EID_SWITCHING_STREAM = 163,
3382 	WLAN_EID_SESSION_TRANSITION = 164,
3383 	WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3384 	WLAN_EID_CLUSTER_REPORT = 166,
3385 	WLAN_EID_RELAY_CAP = 167,
3386 	WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3387 	WLAN_EID_BEAM_LINK_MAINT = 169,
3388 	WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3389 	WLAN_EID_U_PID = 171,
3390 	WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3391 	/* 173 reserved for Symbol */
3392 	WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3393 	WLAN_EID_QUIET_PERIOD_REQ = 175,
3394 	/* 176 reserved for Symbol */
3395 	WLAN_EID_QUIET_PERIOD_RESP = 177,
3396 	/* 178-179 reserved for Symbol */
3397 	/* 180 reserved for ISO/IEC 20011 */
3398 	WLAN_EID_EPAC_POLICY = 182,
3399 	WLAN_EID_CLISTER_TIME_OFF = 183,
3400 	WLAN_EID_INTER_AC_PRIO = 184,
3401 	WLAN_EID_SCS_DESCRIPTOR = 185,
3402 	WLAN_EID_QLOAD_REPORT = 186,
3403 	WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3404 	WLAN_EID_HL_STREAM_ID = 188,
3405 	WLAN_EID_GCR_GROUP_ADDR = 189,
3406 	WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3407 	WLAN_EID_VHT_CAPABILITY = 191,
3408 	WLAN_EID_VHT_OPERATION = 192,
3409 	WLAN_EID_EXTENDED_BSS_LOAD = 193,
3410 	WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3411 	WLAN_EID_TX_POWER_ENVELOPE = 195,
3412 	WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3413 	WLAN_EID_AID = 197,
3414 	WLAN_EID_QUIET_CHANNEL = 198,
3415 	WLAN_EID_OPMODE_NOTIF = 199,
3416 
3417 	WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3418 
3419 	WLAN_EID_AID_REQUEST = 210,
3420 	WLAN_EID_AID_RESPONSE = 211,
3421 	WLAN_EID_S1G_BCN_COMPAT = 213,
3422 	WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3423 	WLAN_EID_S1G_TWT = 216,
3424 	WLAN_EID_S1G_CAPABILITIES = 217,
3425 	WLAN_EID_VENDOR_SPECIFIC = 221,
3426 	WLAN_EID_QOS_PARAMETER = 222,
3427 	WLAN_EID_S1G_OPERATION = 232,
3428 	WLAN_EID_CAG_NUMBER = 237,
3429 	WLAN_EID_AP_CSN = 239,
3430 	WLAN_EID_FILS_INDICATION = 240,
3431 	WLAN_EID_DILS = 241,
3432 	WLAN_EID_FRAGMENT = 242,
3433 	WLAN_EID_RSNX = 244,
3434 	WLAN_EID_EXTENSION = 255
3435 };
3436 
3437 /* Element ID Extensions for Element ID 255 */
3438 enum ieee80211_eid_ext {
3439 	WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3440 	WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3441 	WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3442 	WLAN_EID_EXT_FILS_SESSION = 4,
3443 	WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3444 	WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3445 	WLAN_EID_EXT_KEY_DELIVERY = 7,
3446 	WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3447 	WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3448 	WLAN_EID_EXT_FILS_NONCE = 13,
3449 	WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3450 	WLAN_EID_EXT_HE_CAPABILITY = 35,
3451 	WLAN_EID_EXT_HE_OPERATION = 36,
3452 	WLAN_EID_EXT_UORA = 37,
3453 	WLAN_EID_EXT_HE_MU_EDCA = 38,
3454 	WLAN_EID_EXT_HE_SPR = 39,
3455 	WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3456 	WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3457 	WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3458 	WLAN_EID_EXT_ESS_REPORT = 45,
3459 	WLAN_EID_EXT_OPS = 46,
3460 	WLAN_EID_EXT_HE_BSS_LOAD = 47,
3461 	WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3462 	WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3463 	WLAN_EID_EXT_NON_INHERITANCE = 56,
3464 	WLAN_EID_EXT_KNOWN_BSSID = 57,
3465 	WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3466 	WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3467 	WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3468 	WLAN_EID_EXT_EHT_OPERATION = 106,
3469 	WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3470 	WLAN_EID_EXT_EHT_CAPABILITY = 108,
3471 };
3472 
3473 /* Action category code */
3474 enum ieee80211_category {
3475 	WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3476 	WLAN_CATEGORY_QOS = 1,
3477 	WLAN_CATEGORY_DLS = 2,
3478 	WLAN_CATEGORY_BACK = 3,
3479 	WLAN_CATEGORY_PUBLIC = 4,
3480 	WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3481 	WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3482 	WLAN_CATEGORY_HT = 7,
3483 	WLAN_CATEGORY_SA_QUERY = 8,
3484 	WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3485 	WLAN_CATEGORY_WNM = 10,
3486 	WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3487 	WLAN_CATEGORY_TDLS = 12,
3488 	WLAN_CATEGORY_MESH_ACTION = 13,
3489 	WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3490 	WLAN_CATEGORY_SELF_PROTECTED = 15,
3491 	WLAN_CATEGORY_DMG = 16,
3492 	WLAN_CATEGORY_WMM = 17,
3493 	WLAN_CATEGORY_FST = 18,
3494 	WLAN_CATEGORY_UNPROT_DMG = 20,
3495 	WLAN_CATEGORY_VHT = 21,
3496 	WLAN_CATEGORY_S1G = 22,
3497 	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3498 	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3499 };
3500 
3501 /* SPECTRUM_MGMT action code */
3502 enum ieee80211_spectrum_mgmt_actioncode {
3503 	WLAN_ACTION_SPCT_MSR_REQ = 0,
3504 	WLAN_ACTION_SPCT_MSR_RPRT = 1,
3505 	WLAN_ACTION_SPCT_TPC_REQ = 2,
3506 	WLAN_ACTION_SPCT_TPC_RPRT = 3,
3507 	WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3508 };
3509 
3510 /* HT action codes */
3511 enum ieee80211_ht_actioncode {
3512 	WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3513 	WLAN_HT_ACTION_SMPS = 1,
3514 	WLAN_HT_ACTION_PSMP = 2,
3515 	WLAN_HT_ACTION_PCO_PHASE = 3,
3516 	WLAN_HT_ACTION_CSI = 4,
3517 	WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3518 	WLAN_HT_ACTION_COMPRESSED_BF = 6,
3519 	WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3520 };
3521 
3522 /* VHT action codes */
3523 enum ieee80211_vht_actioncode {
3524 	WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3525 	WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3526 	WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3527 };
3528 
3529 /* Self Protected Action codes */
3530 enum ieee80211_self_protected_actioncode {
3531 	WLAN_SP_RESERVED = 0,
3532 	WLAN_SP_MESH_PEERING_OPEN = 1,
3533 	WLAN_SP_MESH_PEERING_CONFIRM = 2,
3534 	WLAN_SP_MESH_PEERING_CLOSE = 3,
3535 	WLAN_SP_MGK_INFORM = 4,
3536 	WLAN_SP_MGK_ACK = 5,
3537 };
3538 
3539 /* Mesh action codes */
3540 enum ieee80211_mesh_actioncode {
3541 	WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3542 	WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3543 	WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3544 	WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3545 	WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3546 	WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3547 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3548 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3549 	WLAN_MESH_ACTION_MCCA_TEARDOWN,
3550 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3551 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3552 };
3553 
3554 /* Unprotected WNM action codes */
3555 enum ieee80211_unprotected_wnm_actioncode {
3556 	WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3557 	WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3558 };
3559 
3560 /* Public action codes */
3561 enum ieee80211_public_actioncode {
3562 	WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3563 };
3564 
3565 /* Security key length */
3566 enum ieee80211_key_len {
3567 	WLAN_KEY_LEN_WEP40 = 5,
3568 	WLAN_KEY_LEN_WEP104 = 13,
3569 	WLAN_KEY_LEN_CCMP = 16,
3570 	WLAN_KEY_LEN_CCMP_256 = 32,
3571 	WLAN_KEY_LEN_TKIP = 32,
3572 	WLAN_KEY_LEN_AES_CMAC = 16,
3573 	WLAN_KEY_LEN_SMS4 = 32,
3574 	WLAN_KEY_LEN_GCMP = 16,
3575 	WLAN_KEY_LEN_GCMP_256 = 32,
3576 	WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3577 	WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3578 	WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3579 };
3580 
3581 enum ieee80211_s1g_actioncode {
3582 	WLAN_S1G_AID_SWITCH_REQUEST,
3583 	WLAN_S1G_AID_SWITCH_RESPONSE,
3584 	WLAN_S1G_SYNC_CONTROL,
3585 	WLAN_S1G_STA_INFO_ANNOUNCE,
3586 	WLAN_S1G_EDCA_PARAM_SET,
3587 	WLAN_S1G_EL_OPERATION,
3588 	WLAN_S1G_TWT_SETUP,
3589 	WLAN_S1G_TWT_TEARDOWN,
3590 	WLAN_S1G_SECT_GROUP_ID_LIST,
3591 	WLAN_S1G_SECT_ID_FEEDBACK,
3592 	WLAN_S1G_TWT_INFORMATION = 11,
3593 };
3594 
3595 #define IEEE80211_WEP_IV_LEN		4
3596 #define IEEE80211_WEP_ICV_LEN		4
3597 #define IEEE80211_CCMP_HDR_LEN		8
3598 #define IEEE80211_CCMP_MIC_LEN		8
3599 #define IEEE80211_CCMP_PN_LEN		6
3600 #define IEEE80211_CCMP_256_HDR_LEN	8
3601 #define IEEE80211_CCMP_256_MIC_LEN	16
3602 #define IEEE80211_CCMP_256_PN_LEN	6
3603 #define IEEE80211_TKIP_IV_LEN		8
3604 #define IEEE80211_TKIP_ICV_LEN		4
3605 #define IEEE80211_CMAC_PN_LEN		6
3606 #define IEEE80211_GMAC_PN_LEN		6
3607 #define IEEE80211_GCMP_HDR_LEN		8
3608 #define IEEE80211_GCMP_MIC_LEN		16
3609 #define IEEE80211_GCMP_PN_LEN		6
3610 
3611 #define FILS_NONCE_LEN			16
3612 #define FILS_MAX_KEK_LEN		64
3613 
3614 #define FILS_ERP_MAX_USERNAME_LEN	16
3615 #define FILS_ERP_MAX_REALM_LEN		253
3616 #define FILS_ERP_MAX_RRK_LEN		64
3617 
3618 #define PMK_MAX_LEN			64
3619 #define SAE_PASSWORD_MAX_LEN		128
3620 
3621 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3622 enum ieee80211_pub_actioncode {
3623 	WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3624 	WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3625 	WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3626 	WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3627 	WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3628 	WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3629 	WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3630 	WLAN_PUB_ACTION_MSMT_PILOT = 7,
3631 	WLAN_PUB_ACTION_DSE_PC = 8,
3632 	WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3633 	WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3634 	WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3635 	WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3636 	WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3637 	WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3638 	WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3639 	WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3640 	WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3641 	WLAN_PUB_ACTION_QMF_POLICY = 18,
3642 	WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3643 	WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3644 	WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3645 	WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3646 	WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3647 	WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3648 	WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3649 	WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3650 	WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3651 	WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3652 	WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3653 	WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3654 	WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3655 	WLAN_PUB_ACTION_FTM_REQUEST = 32,
3656 	WLAN_PUB_ACTION_FTM = 33,
3657 	WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3658 };
3659 
3660 /* TDLS action codes */
3661 enum ieee80211_tdls_actioncode {
3662 	WLAN_TDLS_SETUP_REQUEST = 0,
3663 	WLAN_TDLS_SETUP_RESPONSE = 1,
3664 	WLAN_TDLS_SETUP_CONFIRM = 2,
3665 	WLAN_TDLS_TEARDOWN = 3,
3666 	WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3667 	WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3668 	WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3669 	WLAN_TDLS_PEER_PSM_REQUEST = 7,
3670 	WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3671 	WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3672 	WLAN_TDLS_DISCOVERY_REQUEST = 10,
3673 };
3674 
3675 /* Extended Channel Switching capability to be set in the 1st byte of
3676  * the @WLAN_EID_EXT_CAPABILITY information element
3677  */
3678 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING	BIT(2)
3679 
3680 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3681  * @WLAN_EID_EXT_CAPABILITY information element
3682  */
3683 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT	BIT(6)
3684 
3685 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3686  * of the @WLAN_EID_EXT_CAPABILITY information element
3687  */
3688 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT	BIT(7)
3689 
3690 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3691 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA		BIT(4)
3692 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM		BIT(5)
3693 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH		BIT(6)
3694 
3695 /* Interworking capabilities are set in 7th bit of 4th byte of the
3696  * @WLAN_EID_EXT_CAPABILITY information element
3697  */
3698 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED	BIT(7)
3699 
3700 /*
3701  * TDLS capabililites to be enabled in the 5th byte of the
3702  * @WLAN_EID_EXT_CAPABILITY information element
3703  */
3704 #define WLAN_EXT_CAPA5_TDLS_ENABLED	BIT(5)
3705 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED	BIT(6)
3706 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED	BIT(7)
3707 
3708 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED	BIT(5)
3709 #define WLAN_EXT_CAPA8_OPMODE_NOTIF	BIT(6)
3710 
3711 /* Defines the maximal number of MSDUs in an A-MSDU. */
3712 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB	BIT(7)
3713 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB	BIT(0)
3714 
3715 /*
3716  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3717  * information element
3718  */
3719 #define WLAN_EXT_CAPA9_FTM_INITIATOR	BIT(7)
3720 
3721 /* Defines support for TWT Requester and TWT Responder */
3722 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT	BIT(5)
3723 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT	BIT(6)
3724 
3725 /*
3726  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3727  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3728  * 26-tone RU UL OFDMA transmissions as radar pulses).
3729  */
3730 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3731 
3732 /* Defines support for enhanced multi-bssid advertisement*/
3733 #define WLAN_EXT_CAPA11_EMA_SUPPORT	BIT(3)
3734 
3735 /* TDLS specific payload type in the LLC/SNAP header */
3736 #define WLAN_TDLS_SNAP_RFTYPE	0x2
3737 
3738 /* BSS Coex IE information field bits */
3739 #define WLAN_BSS_COEX_INFORMATION_REQUEST	BIT(0)
3740 
3741 /**
3742  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3743  *
3744  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3745  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3746  *	that will be specified in a vendor specific information element
3747  */
3748 enum ieee80211_mesh_sync_method {
3749 	IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3750 	IEEE80211_SYNC_METHOD_VENDOR = 255,
3751 };
3752 
3753 /**
3754  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3755  *
3756  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3757  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3758  *	be specified in a vendor specific information element
3759  */
3760 enum ieee80211_mesh_path_protocol {
3761 	IEEE80211_PATH_PROTOCOL_HWMP = 1,
3762 	IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3763 };
3764 
3765 /**
3766  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3767  *
3768  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3769  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3770  *	specified in a vendor specific information element
3771  */
3772 enum ieee80211_mesh_path_metric {
3773 	IEEE80211_PATH_METRIC_AIRTIME = 1,
3774 	IEEE80211_PATH_METRIC_VENDOR = 255,
3775 };
3776 
3777 /**
3778  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3779  *
3780  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3781  *
3782  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3783  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3784  *	this value
3785  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3786  *	the proactive PREQ with proactive PREP subfield set to 0
3787  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3788  *	supports the proactive PREQ with proactive PREP subfield set to 1
3789  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3790  *	the proactive RANN
3791  */
3792 enum ieee80211_root_mode_identifier {
3793 	IEEE80211_ROOTMODE_NO_ROOT = 0,
3794 	IEEE80211_ROOTMODE_ROOT = 1,
3795 	IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3796 	IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3797 	IEEE80211_PROACTIVE_RANN = 4,
3798 };
3799 
3800 /*
3801  * IEEE 802.11-2007 7.3.2.9 Country information element
3802  *
3803  * Minimum length is 8 octets, ie len must be evenly
3804  * divisible by 2
3805  */
3806 
3807 /* Although the spec says 8 I'm seeing 6 in practice */
3808 #define IEEE80211_COUNTRY_IE_MIN_LEN	6
3809 
3810 /* The Country String field of the element shall be 3 octets in length */
3811 #define IEEE80211_COUNTRY_STRING_LEN	3
3812 
3813 /*
3814  * For regulatory extension stuff see IEEE 802.11-2007
3815  * Annex I (page 1141) and Annex J (page 1147). Also
3816  * review 7.3.2.9.
3817  *
3818  * When dot11RegulatoryClassesRequired is true and the
3819  * first_channel/reg_extension_id is >= 201 then the IE
3820  * compromises of the 'ext' struct represented below:
3821  *
3822  *  - Regulatory extension ID - when generating IE this just needs
3823  *    to be monotonically increasing for each triplet passed in
3824  *    the IE
3825  *  - Regulatory class - index into set of rules
3826  *  - Coverage class - index into air propagation time (Table 7-27),
3827  *    in microseconds, you can compute the air propagation time from
3828  *    the index by multiplying by 3, so index 10 yields a propagation
3829  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3830  *    yet. A value of 0 inicates air propagation of <= 1 us.
3831  *
3832  *  See also Table I.2 for Emission limit sets and table
3833  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3834  *  a reg_class to an emission limit set and behavior limit set.
3835  */
3836 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3837 
3838 /*
3839  *  Channels numbers in the IE must be monotonically increasing
3840  *  if dot11RegulatoryClassesRequired is not true.
3841  *
3842  *  If dot11RegulatoryClassesRequired is true consecutive
3843  *  subband triplets following a regulatory triplet shall
3844  *  have monotonically increasing first_channel number fields.
3845  *
3846  *  Channel numbers shall not overlap.
3847  *
3848  *  Note that max_power is signed.
3849  */
3850 struct ieee80211_country_ie_triplet {
3851 	union {
3852 		struct {
3853 			u8 first_channel;
3854 			u8 num_channels;
3855 			s8 max_power;
3856 		} __packed chans;
3857 		struct {
3858 			u8 reg_extension_id;
3859 			u8 reg_class;
3860 			u8 coverage_class;
3861 		} __packed ext;
3862 	};
3863 } __packed;
3864 
3865 enum ieee80211_timeout_interval_type {
3866 	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3867 	WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3868 	WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3869 };
3870 
3871 /**
3872  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3873  * @type: type, see &enum ieee80211_timeout_interval_type
3874  * @value: timeout interval value
3875  */
3876 struct ieee80211_timeout_interval_ie {
3877 	u8 type;
3878 	__le32 value;
3879 } __packed;
3880 
3881 /**
3882  * enum ieee80211_idle_options - BSS idle options
3883  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3884  *	protected frame to the AP to reset the idle timer at the AP for
3885  *	the station.
3886  */
3887 enum ieee80211_idle_options {
3888 	WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3889 };
3890 
3891 /**
3892  * struct ieee80211_bss_max_idle_period_ie
3893  *
3894  * This structure refers to "BSS Max idle period element"
3895  *
3896  * @max_idle_period: indicates the time period during which a station can
3897  *	refrain from transmitting frames to its associated AP without being
3898  *	disassociated. In units of 1000 TUs.
3899  * @idle_options: indicates the options associated with the BSS idle capability
3900  *	as specified in &enum ieee80211_idle_options.
3901  */
3902 struct ieee80211_bss_max_idle_period_ie {
3903 	__le16 max_idle_period;
3904 	u8 idle_options;
3905 } __packed;
3906 
3907 /* BACK action code */
3908 enum ieee80211_back_actioncode {
3909 	WLAN_ACTION_ADDBA_REQ = 0,
3910 	WLAN_ACTION_ADDBA_RESP = 1,
3911 	WLAN_ACTION_DELBA = 2,
3912 };
3913 
3914 /* BACK (block-ack) parties */
3915 enum ieee80211_back_parties {
3916 	WLAN_BACK_RECIPIENT = 0,
3917 	WLAN_BACK_INITIATOR = 1,
3918 };
3919 
3920 /* SA Query action */
3921 enum ieee80211_sa_query_action {
3922 	WLAN_ACTION_SA_QUERY_REQUEST = 0,
3923 	WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3924 };
3925 
3926 /**
3927  * struct ieee80211_bssid_index
3928  *
3929  * This structure refers to "Multiple BSSID-index element"
3930  *
3931  * @bssid_index: BSSID index
3932  * @dtim_period: optional, overrides transmitted BSS dtim period
3933  * @dtim_count: optional, overrides transmitted BSS dtim count
3934  */
3935 struct ieee80211_bssid_index {
3936 	u8 bssid_index;
3937 	u8 dtim_period;
3938 	u8 dtim_count;
3939 };
3940 
3941 /**
3942  * struct ieee80211_multiple_bssid_configuration
3943  *
3944  * This structure refers to "Multiple BSSID Configuration element"
3945  *
3946  * @bssid_count: total number of active BSSIDs in the set
3947  * @profile_periodicity: the least number of beacon frames need to be received
3948  *	in order to discover all the nontransmitted BSSIDs in the set.
3949  */
3950 struct ieee80211_multiple_bssid_configuration {
3951 	u8 bssid_count;
3952 	u8 profile_periodicity;
3953 };
3954 
3955 #define SUITE(oui, id)	(((oui) << 8) | (id))
3956 
3957 /* cipher suite selectors */
3958 #define WLAN_CIPHER_SUITE_USE_GROUP	SUITE(0x000FAC, 0)
3959 #define WLAN_CIPHER_SUITE_WEP40		SUITE(0x000FAC, 1)
3960 #define WLAN_CIPHER_SUITE_TKIP		SUITE(0x000FAC, 2)
3961 /* reserved: 				SUITE(0x000FAC, 3) */
3962 #define WLAN_CIPHER_SUITE_CCMP		SUITE(0x000FAC, 4)
3963 #define WLAN_CIPHER_SUITE_WEP104	SUITE(0x000FAC, 5)
3964 #define WLAN_CIPHER_SUITE_AES_CMAC	SUITE(0x000FAC, 6)
3965 #define WLAN_CIPHER_SUITE_GCMP		SUITE(0x000FAC, 8)
3966 #define WLAN_CIPHER_SUITE_GCMP_256	SUITE(0x000FAC, 9)
3967 #define WLAN_CIPHER_SUITE_CCMP_256	SUITE(0x000FAC, 10)
3968 #define WLAN_CIPHER_SUITE_BIP_GMAC_128	SUITE(0x000FAC, 11)
3969 #define WLAN_CIPHER_SUITE_BIP_GMAC_256	SUITE(0x000FAC, 12)
3970 #define WLAN_CIPHER_SUITE_BIP_CMAC_256	SUITE(0x000FAC, 13)
3971 
3972 #define WLAN_CIPHER_SUITE_SMS4		SUITE(0x001472, 1)
3973 
3974 /* AKM suite selectors */
3975 #define WLAN_AKM_SUITE_8021X			SUITE(0x000FAC, 1)
3976 #define WLAN_AKM_SUITE_PSK			SUITE(0x000FAC, 2)
3977 #define WLAN_AKM_SUITE_FT_8021X			SUITE(0x000FAC, 3)
3978 #define WLAN_AKM_SUITE_FT_PSK			SUITE(0x000FAC, 4)
3979 #define WLAN_AKM_SUITE_8021X_SHA256		SUITE(0x000FAC, 5)
3980 #define WLAN_AKM_SUITE_PSK_SHA256		SUITE(0x000FAC, 6)
3981 #define WLAN_AKM_SUITE_TDLS			SUITE(0x000FAC, 7)
3982 #define WLAN_AKM_SUITE_SAE			SUITE(0x000FAC, 8)
3983 #define WLAN_AKM_SUITE_FT_OVER_SAE		SUITE(0x000FAC, 9)
3984 #define WLAN_AKM_SUITE_AP_PEER_KEY		SUITE(0x000FAC, 10)
3985 #define WLAN_AKM_SUITE_8021X_SUITE_B		SUITE(0x000FAC, 11)
3986 #define WLAN_AKM_SUITE_8021X_SUITE_B_192	SUITE(0x000FAC, 12)
3987 #define WLAN_AKM_SUITE_FT_8021X_SHA384		SUITE(0x000FAC, 13)
3988 #define WLAN_AKM_SUITE_FILS_SHA256		SUITE(0x000FAC, 14)
3989 #define WLAN_AKM_SUITE_FILS_SHA384		SUITE(0x000FAC, 15)
3990 #define WLAN_AKM_SUITE_FT_FILS_SHA256		SUITE(0x000FAC, 16)
3991 #define WLAN_AKM_SUITE_FT_FILS_SHA384		SUITE(0x000FAC, 17)
3992 #define WLAN_AKM_SUITE_OWE			SUITE(0x000FAC, 18)
3993 #define WLAN_AKM_SUITE_FT_PSK_SHA384		SUITE(0x000FAC, 19)
3994 #define WLAN_AKM_SUITE_PSK_SHA384		SUITE(0x000FAC, 20)
3995 
3996 #define WLAN_AKM_SUITE_WFA_DPP			SUITE(WLAN_OUI_WFA, 2)
3997 
3998 #define WLAN_MAX_KEY_LEN		32
3999 
4000 #define WLAN_PMK_NAME_LEN		16
4001 #define WLAN_PMKID_LEN			16
4002 #define WLAN_PMK_LEN_EAP_LEAP		16
4003 #define WLAN_PMK_LEN			32
4004 #define WLAN_PMK_LEN_SUITE_B_192	48
4005 
4006 #define WLAN_OUI_WFA			0x506f9a
4007 #define WLAN_OUI_TYPE_WFA_P2P		9
4008 #define WLAN_OUI_TYPE_WFA_DPP		0x1A
4009 #define WLAN_OUI_MICROSOFT		0x0050f2
4010 #define WLAN_OUI_TYPE_MICROSOFT_WPA	1
4011 #define WLAN_OUI_TYPE_MICROSOFT_WMM	2
4012 #define WLAN_OUI_TYPE_MICROSOFT_WPS	4
4013 #define WLAN_OUI_TYPE_MICROSOFT_TPC	8
4014 
4015 /*
4016  * WMM/802.11e Tspec Element
4017  */
4018 #define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
4019 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1
4020 
4021 enum ieee80211_tspec_status_code {
4022 	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4023 	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4024 };
4025 
4026 struct ieee80211_tspec_ie {
4027 	u8 element_id;
4028 	u8 len;
4029 	u8 oui[3];
4030 	u8 oui_type;
4031 	u8 oui_subtype;
4032 	u8 version;
4033 	__le16 tsinfo;
4034 	u8 tsinfo_resvd;
4035 	__le16 nominal_msdu;
4036 	__le16 max_msdu;
4037 	__le32 min_service_int;
4038 	__le32 max_service_int;
4039 	__le32 inactivity_int;
4040 	__le32 suspension_int;
4041 	__le32 service_start_time;
4042 	__le32 min_data_rate;
4043 	__le32 mean_data_rate;
4044 	__le32 peak_data_rate;
4045 	__le32 max_burst_size;
4046 	__le32 delay_bound;
4047 	__le32 min_phy_rate;
4048 	__le16 sba;
4049 	__le16 medium_time;
4050 } __packed;
4051 
4052 struct ieee80211_he_6ghz_capa {
4053 	/* uses IEEE80211_HE_6GHZ_CAP_* below */
4054 	__le16 capa;
4055 } __packed;
4056 
4057 /* HE 6 GHz band capabilities */
4058 /* uses enum ieee80211_min_mpdu_spacing values */
4059 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START	0x0007
4060 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4061 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP	0x0038
4062 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4063 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN	0x00c0
4064 /* WLAN_HT_CAP_SM_PS_* values */
4065 #define IEEE80211_HE_6GHZ_CAP_SM_PS		0x0600
4066 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER	0x0800
4067 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS	0x1000
4068 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS	0x2000
4069 
4070 /**
4071  * ieee80211_get_qos_ctl - get pointer to qos control bytes
4072  * @hdr: the frame
4073  *
4074  * The qos ctrl bytes come after the frame_control, duration, seq_num
4075  * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4076  * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4077  */
4078 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4079 {
4080 	union {
4081 		struct ieee80211_qos_hdr	addr3;
4082 		struct ieee80211_qos_hdr_4addr	addr4;
4083 	} *qos;
4084 
4085 	qos = (void *)hdr;
4086 	if (ieee80211_has_a4(qos->addr3.frame_control))
4087 		return (u8 *)&qos->addr4.qos_ctrl;
4088 	else
4089 		return (u8 *)&qos->addr3.qos_ctrl;
4090 }
4091 
4092 /**
4093  * ieee80211_get_tid - get qos TID
4094  * @hdr: the frame
4095  */
4096 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4097 {
4098 	u8 *qc = ieee80211_get_qos_ctl(hdr);
4099 
4100 	return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4101 }
4102 
4103 /**
4104  * ieee80211_get_SA - get pointer to SA
4105  * @hdr: the frame
4106  *
4107  * Given an 802.11 frame, this function returns the offset
4108  * to the source address (SA). It does not verify that the
4109  * header is long enough to contain the address, and the
4110  * header must be long enough to contain the frame control
4111  * field.
4112  */
4113 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4114 {
4115 	if (ieee80211_has_a4(hdr->frame_control))
4116 		return hdr->addr4;
4117 	if (ieee80211_has_fromds(hdr->frame_control))
4118 		return hdr->addr3;
4119 	return hdr->addr2;
4120 }
4121 
4122 /**
4123  * ieee80211_get_DA - get pointer to DA
4124  * @hdr: the frame
4125  *
4126  * Given an 802.11 frame, this function returns the offset
4127  * to the destination address (DA). It does not verify that
4128  * the header is long enough to contain the address, and the
4129  * header must be long enough to contain the frame control
4130  * field.
4131  */
4132 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4133 {
4134 	if (ieee80211_has_tods(hdr->frame_control))
4135 		return hdr->addr3;
4136 	else
4137 		return hdr->addr1;
4138 }
4139 
4140 /**
4141  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4142  * @hdr: the frame (buffer must include at least the first octet of payload)
4143  */
4144 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4145 {
4146 	if (ieee80211_is_disassoc(hdr->frame_control) ||
4147 	    ieee80211_is_deauth(hdr->frame_control))
4148 		return true;
4149 
4150 	if (ieee80211_is_action(hdr->frame_control)) {
4151 		u8 *category;
4152 
4153 		/*
4154 		 * Action frames, excluding Public Action frames, are Robust
4155 		 * Management Frames. However, if we are looking at a Protected
4156 		 * frame, skip the check since the data may be encrypted and
4157 		 * the frame has already been found to be a Robust Management
4158 		 * Frame (by the other end).
4159 		 */
4160 		if (ieee80211_has_protected(hdr->frame_control))
4161 			return true;
4162 		category = ((u8 *) hdr) + 24;
4163 		return *category != WLAN_CATEGORY_PUBLIC &&
4164 			*category != WLAN_CATEGORY_HT &&
4165 			*category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4166 			*category != WLAN_CATEGORY_SELF_PROTECTED &&
4167 			*category != WLAN_CATEGORY_UNPROT_DMG &&
4168 			*category != WLAN_CATEGORY_VHT &&
4169 			*category != WLAN_CATEGORY_S1G &&
4170 			*category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4171 	}
4172 
4173 	return false;
4174 }
4175 
4176 /**
4177  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4178  * @skb: the skb containing the frame, length will be checked
4179  */
4180 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4181 {
4182 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4183 		return false;
4184 	return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4185 }
4186 
4187 /**
4188  * ieee80211_is_public_action - check if frame is a public action frame
4189  * @hdr: the frame
4190  * @len: length of the frame
4191  */
4192 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4193 					      size_t len)
4194 {
4195 	struct ieee80211_mgmt *mgmt = (void *)hdr;
4196 
4197 	if (len < IEEE80211_MIN_ACTION_SIZE)
4198 		return false;
4199 	if (!ieee80211_is_action(hdr->frame_control))
4200 		return false;
4201 	return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4202 }
4203 
4204 /**
4205  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4206  * privacy action frame
4207  * @hdr: the frame
4208  */
4209 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4210 {
4211 	struct ieee80211_mgmt *mgmt = (void *)hdr;
4212 
4213 	if (!ieee80211_is_action(hdr->frame_control) ||
4214 	    !is_multicast_ether_addr(hdr->addr1))
4215 		return false;
4216 
4217 	return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4218 	       mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4219 }
4220 
4221 /**
4222  * ieee80211_is_group_privacy_action - check if frame is a group addressed
4223  * privacy action frame
4224  * @skb: the skb containing the frame, length will be checked
4225  */
4226 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4227 {
4228 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4229 		return false;
4230 	return _ieee80211_is_group_privacy_action((void *)skb->data);
4231 }
4232 
4233 /**
4234  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4235  * @tu: the TUs
4236  */
4237 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4238 {
4239 	return 1024 * tu;
4240 }
4241 
4242 /**
4243  * ieee80211_check_tim - check if AID bit is set in TIM
4244  * @tim: the TIM IE
4245  * @tim_len: length of the TIM IE
4246  * @aid: the AID to look for
4247  */
4248 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4249 				       u8 tim_len, u16 aid)
4250 {
4251 	u8 mask;
4252 	u8 index, indexn1, indexn2;
4253 
4254 	if (unlikely(!tim || tim_len < sizeof(*tim)))
4255 		return false;
4256 
4257 	aid &= 0x3fff;
4258 	index = aid / 8;
4259 	mask  = 1 << (aid & 7);
4260 
4261 	indexn1 = tim->bitmap_ctrl & 0xfe;
4262 	indexn2 = tim_len + indexn1 - 4;
4263 
4264 	if (index < indexn1 || index > indexn2)
4265 		return false;
4266 
4267 	index -= indexn1;
4268 
4269 	return !!(tim->virtual_map[index] & mask);
4270 }
4271 
4272 /**
4273  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4274  * @skb: the skb containing the frame, length will not be checked
4275  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4276  *
4277  * This function assumes the frame is a data frame, and that the network header
4278  * is in the correct place.
4279  */
4280 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4281 {
4282 	if (!skb_is_nonlinear(skb) &&
4283 	    skb->len > (skb_network_offset(skb) + 2)) {
4284 		/* Point to where the indication of TDLS should start */
4285 		const u8 *tdls_data = skb_network_header(skb) - 2;
4286 
4287 		if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4288 		    tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4289 		    tdls_data[3] == WLAN_CATEGORY_TDLS)
4290 			return tdls_data[4];
4291 	}
4292 
4293 	return -1;
4294 }
4295 
4296 /* convert time units */
4297 #define TU_TO_JIFFIES(x)	(usecs_to_jiffies((x) * 1024))
4298 #define TU_TO_EXP_TIME(x)	(jiffies + TU_TO_JIFFIES(x))
4299 
4300 /* convert frequencies */
4301 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4302 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4303 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4304 #define KHZ_F "%d.%03d"
4305 
4306 /* convert powers */
4307 #define DBI_TO_MBI(gain) ((gain) * 100)
4308 #define MBI_TO_DBI(gain) ((gain) / 100)
4309 #define DBM_TO_MBM(gain) ((gain) * 100)
4310 #define MBM_TO_DBM(gain) ((gain) / 100)
4311 
4312 /**
4313  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4314  * @skb: the skb containing the frame, length will be checked
4315  *
4316  * This function checks if it's either TPC report action frame or Link
4317  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4318  * and 8.5.7.5 accordingly.
4319  */
4320 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4321 {
4322 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
4323 
4324 	if (!ieee80211_is_action(mgmt->frame_control))
4325 		return false;
4326 
4327 	if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4328 		       sizeof(mgmt->u.action.u.tpc_report))
4329 		return false;
4330 
4331 	/*
4332 	 * TPC report - check that:
4333 	 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4334 	 * spectrum management action = 3 (TPC/Link Measurement report)
4335 	 * TPC report EID = 35
4336 	 * TPC report element length = 2
4337 	 *
4338 	 * The spectrum management's tpc_report struct is used here both for
4339 	 * parsing tpc_report and radio measurement's link measurement report
4340 	 * frame, since the relevant part is identical in both frames.
4341 	 */
4342 	if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4343 	    mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4344 		return false;
4345 
4346 	/* both spectrum mgmt and link measurement have same action code */
4347 	if (mgmt->u.action.u.tpc_report.action_code !=
4348 	    WLAN_ACTION_SPCT_TPC_RPRT)
4349 		return false;
4350 
4351 	if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4352 	    mgmt->u.action.u.tpc_report.tpc_elem_length !=
4353 	    sizeof(struct ieee80211_tpc_report_ie))
4354 		return false;
4355 
4356 	return true;
4357 }
4358 
4359 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4360 {
4361 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
4362 
4363 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4364 		return false;
4365 
4366 	if (!ieee80211_is_action(mgmt->frame_control))
4367 		return false;
4368 
4369 	if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4370 	    mgmt->u.action.u.wnm_timing_msr.action_code ==
4371 		WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4372 	    skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4373 		return true;
4374 
4375 	return false;
4376 }
4377 
4378 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4379 {
4380 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
4381 
4382 	if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4383 		return false;
4384 
4385 	if (mgmt->u.action.u.ftm.action_code ==
4386 		WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4387 	    skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4388 		return true;
4389 
4390 	return false;
4391 }
4392 
4393 struct element {
4394 	u8 id;
4395 	u8 datalen;
4396 	u8 data[];
4397 } __packed;
4398 
4399 /* element iteration helpers */
4400 #define for_each_element(_elem, _data, _datalen)			\
4401 	for (_elem = (const struct element *)(_data);			\
4402 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
4403 		(int)sizeof(*_elem) &&					\
4404 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
4405 		(int)sizeof(*_elem) + _elem->datalen;			\
4406 	     _elem = (const struct element *)(_elem->data + _elem->datalen))
4407 
4408 #define for_each_element_id(element, _id, data, datalen)		\
4409 	for_each_element(element, data, datalen)			\
4410 		if (element->id == (_id))
4411 
4412 #define for_each_element_extid(element, extid, _data, _datalen)		\
4413 	for_each_element(element, _data, _datalen)			\
4414 		if (element->id == WLAN_EID_EXTENSION &&		\
4415 		    element->datalen > 0 &&				\
4416 		    element->data[0] == (extid))
4417 
4418 #define for_each_subelement(sub, element)				\
4419 	for_each_element(sub, (element)->data, (element)->datalen)
4420 
4421 #define for_each_subelement_id(sub, id, element)			\
4422 	for_each_element_id(sub, id, (element)->data, (element)->datalen)
4423 
4424 #define for_each_subelement_extid(sub, extid, element)			\
4425 	for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4426 
4427 /**
4428  * for_each_element_completed - determine if element parsing consumed all data
4429  * @element: element pointer after for_each_element() or friends
4430  * @data: same data pointer as passed to for_each_element() or friends
4431  * @datalen: same data length as passed to for_each_element() or friends
4432  *
4433  * This function returns %true if all the data was parsed or considered
4434  * while walking the elements. Only use this if your for_each_element()
4435  * loop cannot be broken out of, otherwise it always returns %false.
4436  *
4437  * If some data was malformed, this returns %false since the last parsed
4438  * element will not fill the whole remaining data.
4439  */
4440 static inline bool for_each_element_completed(const struct element *element,
4441 					      const void *data, size_t datalen)
4442 {
4443 	return (const u8 *)element == (const u8 *)data + datalen;
4444 }
4445 
4446 /**
4447  * RSNX Capabilities:
4448  * bits 0-3: Field length (n-1)
4449  */
4450 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4451 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4452 
4453 /*
4454  * reduced neighbor report, based on Draft P802.11ax_D6.1,
4455  * section 9.4.2.170 and accepted contributions.
4456  */
4457 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE				0x03
4458 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED			0x04
4459 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC			0x08
4460 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT			0xF0
4461 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM		9
4462 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM	13
4463 
4464 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED		0x01
4465 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID			0x02
4466 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID			0x04
4467 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID		0x08
4468 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS			0x10
4469 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE			0x20
4470 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP			0x40
4471 
4472 struct ieee80211_neighbor_ap_info {
4473 	u8 tbtt_info_hdr;
4474 	u8 tbtt_info_len;
4475 	u8 op_class;
4476 	u8 channel;
4477 } __packed;
4478 
4479 enum ieee80211_range_params_max_total_ltf {
4480 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4481 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4482 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4483 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4484 };
4485 
4486 /* multi-link device */
4487 #define IEEE80211_MLD_MAX_NUM_LINKS	15
4488 
4489 #define IEEE80211_ML_CONTROL_TYPE			0x0007
4490 #define IEEE80211_ML_CONTROL_TYPE_BASIC			0
4491 #define IEEE80211_ML_CONTROL_TYPE_PREQ			1
4492 #define IEEE80211_ML_CONTROL_TYPE_RECONF		2
4493 #define IEEE80211_ML_CONTROL_TYPE_TDLS			3
4494 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS		4
4495 #define IEEE80211_ML_CONTROL_PRESENCE_MASK		0xfff0
4496 
4497 struct ieee80211_multi_link_elem {
4498 	__le16 control;
4499 	u8 variable[];
4500 } __packed;
4501 
4502 #define IEEE80211_MLC_BASIC_PRES_LINK_ID		0x0010
4503 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT	0x0020
4504 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY		0x0040
4505 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA		0x0080
4506 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP		0x0100
4507 #define IEEE80211_MLC_BASIC_PRES_MLD_ID			0x0200
4508 
4509 #define IEEE80211_MED_SYNC_DELAY_DURATION		0x00ff
4510 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH	0x0f00
4511 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS	0xf000
4512 
4513 #define IEEE80211_EML_CAP_EMLSR_SUPP			0x0001
4514 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY		0x000e
4515 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US		0
4516 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US		1
4517 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US		2
4518 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US		3
4519 #define  IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US		4
4520 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY	0x0070
4521 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US		0
4522 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US		1
4523 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US		2
4524 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US		3
4525 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US		4
4526 #define  IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US		5
4527 #define IEEE80211_EML_CAP_EMLMR_SUPPORT			0x0080
4528 #define IEEE80211_EML_CAP_EMLMR_DELAY			0x0700
4529 #define  IEEE80211_EML_CAP_EMLMR_DELAY_0US			0
4530 #define  IEEE80211_EML_CAP_EMLMR_DELAY_32US			1
4531 #define  IEEE80211_EML_CAP_EMLMR_DELAY_64US			2
4532 #define  IEEE80211_EML_CAP_EMLMR_DELAY_128US			3
4533 #define  IEEE80211_EML_CAP_EMLMR_DELAY_256US			4
4534 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT		0x7800
4535 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0			0
4536 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US		1
4537 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US		2
4538 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US		3
4539 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU		4
4540 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU		5
4541 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU		6
4542 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU		7
4543 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU		8
4544 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU		9
4545 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU		10
4546 #define  IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU		11
4547 
4548 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS		0x000f
4549 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT		0x0010
4550 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP	0x0060
4551 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND		0x0f80
4552 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT		0x1000
4553 
4554 struct ieee80211_mle_basic_common_info {
4555 	u8 len;
4556 	u8 mld_mac_addr[ETH_ALEN];
4557 	u8 variable[];
4558 } __packed;
4559 
4560 #define IEEE80211_MLC_PREQ_PRES_MLD_ID			0x0010
4561 
4562 struct ieee80211_mle_preq_common_info {
4563 	u8 len;
4564 	u8 variable[];
4565 } __packed;
4566 
4567 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR		0x0010
4568 
4569 /* no fixed fields in RECONF */
4570 
4571 struct ieee80211_mle_tdls_common_info {
4572 	u8 len;
4573 	u8 ap_mld_mac_addr[ETH_ALEN];
4574 } __packed;
4575 
4576 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR	0x0010
4577 
4578 /* no fixed fields in PRIO_ACCESS */
4579 
4580 /**
4581  * ieee80211_mle_common_size - check multi-link element common size
4582  * @data: multi-link element, must already be checked for size using
4583  *	ieee80211_mle_size_ok()
4584  */
4585 static inline u8 ieee80211_mle_common_size(const u8 *data)
4586 {
4587 	const struct ieee80211_multi_link_elem *mle = (const void *)data;
4588 	u16 control = le16_to_cpu(mle->control);
4589 	u8 common = 0;
4590 
4591 	switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4592 	case IEEE80211_ML_CONTROL_TYPE_BASIC:
4593 	case IEEE80211_ML_CONTROL_TYPE_PREQ:
4594 	case IEEE80211_ML_CONTROL_TYPE_TDLS:
4595 		/*
4596 		 * The length is the first octet pointed by mle->variable so no
4597 		 * need to add anything
4598 		 */
4599 		break;
4600 	case IEEE80211_ML_CONTROL_TYPE_RECONF:
4601 		if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4602 			common += ETH_ALEN;
4603 		return common;
4604 	case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4605 		if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4606 			common += ETH_ALEN;
4607 		return common;
4608 	default:
4609 		WARN_ON(1);
4610 		return 0;
4611 	}
4612 
4613 	return sizeof(*mle) + common + mle->variable[0];
4614 }
4615 
4616 /**
4617  * ieee80211_mle_size_ok - validate multi-link element size
4618  * @data: pointer to the element data
4619  * @len: length of the containing element
4620  */
4621 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4622 {
4623 	const struct ieee80211_multi_link_elem *mle = (const void *)data;
4624 	u8 fixed = sizeof(*mle);
4625 	u8 common = 0;
4626 	bool check_common_len = false;
4627 	u16 control;
4628 
4629 	if (len < fixed)
4630 		return false;
4631 
4632 	control = le16_to_cpu(mle->control);
4633 
4634 	switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4635 	case IEEE80211_ML_CONTROL_TYPE_BASIC:
4636 		common += sizeof(struct ieee80211_mle_basic_common_info);
4637 		check_common_len = true;
4638 		if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4639 			common += 1;
4640 		if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4641 			common += 1;
4642 		if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4643 			common += 2;
4644 		if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4645 			common += 2;
4646 		if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4647 			common += 2;
4648 		if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4649 			common += 1;
4650 		break;
4651 	case IEEE80211_ML_CONTROL_TYPE_PREQ:
4652 		common += sizeof(struct ieee80211_mle_preq_common_info);
4653 		if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4654 			common += 1;
4655 		check_common_len = true;
4656 		break;
4657 	case IEEE80211_ML_CONTROL_TYPE_RECONF:
4658 		if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4659 			common += ETH_ALEN;
4660 		break;
4661 	case IEEE80211_ML_CONTROL_TYPE_TDLS:
4662 		common += sizeof(struct ieee80211_mle_tdls_common_info);
4663 		check_common_len = true;
4664 		break;
4665 	case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4666 		if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4667 			common += ETH_ALEN;
4668 		break;
4669 	default:
4670 		/* we don't know this type */
4671 		return true;
4672 	}
4673 
4674 	if (len < fixed + common)
4675 		return false;
4676 
4677 	if (!check_common_len)
4678 		return true;
4679 
4680 	/* if present, common length is the first octet there */
4681 	return mle->variable[0] >= common;
4682 }
4683 
4684 enum ieee80211_mle_subelems {
4685 	IEEE80211_MLE_SUBELEM_PER_STA_PROFILE		= 0,
4686 	IEEE80211_MLE_SUBELEM_FRAGMENT		        = 254,
4687 };
4688 
4689 #define IEEE80211_MLE_STA_CONTROL_LINK_ID			0x000f
4690 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE		0x0010
4691 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT		0x0020
4692 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT		0x0040
4693 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT		0x0080
4694 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT		0x0100
4695 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT	0x0200
4696 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE		0x0400
4697 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT	0x0800
4698 
4699 struct ieee80211_mle_per_sta_profile {
4700 	__le16 control;
4701 	u8 sta_info_len;
4702 	u8 variable[];
4703 } __packed;
4704 
4705 /**
4706  * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4707  * @data: pointer to the sub element data
4708  * @len: length of the containing sub element
4709  */
4710 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4711 {
4712 	const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4713 	u16 control;
4714 	u8 fixed = sizeof(*prof);
4715 	u8 info_len = 1;
4716 
4717 	if (len < fixed)
4718 		return false;
4719 
4720 	control = le16_to_cpu(prof->control);
4721 
4722 	if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4723 		info_len += 6;
4724 	if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4725 		info_len += 2;
4726 	if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4727 		info_len += 8;
4728 	if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4729 		info_len += 2;
4730 	if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4731 		info_len += 1;
4732 
4733 	if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4734 	    control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4735 		if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4736 			info_len += 2;
4737 		else
4738 			info_len += 1;
4739 	}
4740 
4741 	return prof->sta_info_len >= info_len &&
4742 	       fixed + prof->sta_info_len <= len;
4743 }
4744 
4745 #define for_each_mle_subelement(_elem, _data, _len)			\
4746 	if (ieee80211_mle_size_ok(_data, _len))				\
4747 		for_each_element(_elem,					\
4748 				 _data + ieee80211_mle_common_size(_data),\
4749 				 _len - ieee80211_mle_common_size(_data))
4750 
4751 #endif /* LINUX_IEEE80211_H */
4752