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 - 2021 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 <asm/byteorder.h>
22 #include <asm/unaligned.h>
23 
24 /*
25  * DS bit usage
26  *
27  * TA = transmitter address
28  * RA = receiver address
29  * DA = destination address
30  * SA = source address
31  *
32  * ToDS    FromDS  A1(RA)  A2(TA)  A3      A4      Use
33  * -----------------------------------------------------------------
34  *  0       0       DA      SA      BSSID   -       IBSS/DLS
35  *  0       1       DA      BSSID   SA      -       AP -> STA
36  *  1       0       BSSID   SA      DA      -       AP <- STA
37  *  1       1       RA      TA      DA      SA      unspecified (WDS)
38  */
39 
40 #define FCS_LEN 4
41 
42 #define IEEE80211_FCTL_VERS		0x0003
43 #define IEEE80211_FCTL_FTYPE		0x000c
44 #define IEEE80211_FCTL_STYPE		0x00f0
45 #define IEEE80211_FCTL_TODS		0x0100
46 #define IEEE80211_FCTL_FROMDS		0x0200
47 #define IEEE80211_FCTL_MOREFRAGS	0x0400
48 #define IEEE80211_FCTL_RETRY		0x0800
49 #define IEEE80211_FCTL_PM		0x1000
50 #define IEEE80211_FCTL_MOREDATA		0x2000
51 #define IEEE80211_FCTL_PROTECTED	0x4000
52 #define IEEE80211_FCTL_ORDER		0x8000
53 #define IEEE80211_FCTL_CTL_EXT		0x0f00
54 
55 #define IEEE80211_SCTL_FRAG		0x000F
56 #define IEEE80211_SCTL_SEQ		0xFFF0
57 
58 #define IEEE80211_FTYPE_MGMT		0x0000
59 #define IEEE80211_FTYPE_CTL		0x0004
60 #define IEEE80211_FTYPE_DATA		0x0008
61 #define IEEE80211_FTYPE_EXT		0x000c
62 
63 /* management */
64 #define IEEE80211_STYPE_ASSOC_REQ	0x0000
65 #define IEEE80211_STYPE_ASSOC_RESP	0x0010
66 #define IEEE80211_STYPE_REASSOC_REQ	0x0020
67 #define IEEE80211_STYPE_REASSOC_RESP	0x0030
68 #define IEEE80211_STYPE_PROBE_REQ	0x0040
69 #define IEEE80211_STYPE_PROBE_RESP	0x0050
70 #define IEEE80211_STYPE_BEACON		0x0080
71 #define IEEE80211_STYPE_ATIM		0x0090
72 #define IEEE80211_STYPE_DISASSOC	0x00A0
73 #define IEEE80211_STYPE_AUTH		0x00B0
74 #define IEEE80211_STYPE_DEAUTH		0x00C0
75 #define IEEE80211_STYPE_ACTION		0x00D0
76 
77 /* control */
78 #define IEEE80211_STYPE_CTL_EXT		0x0060
79 #define IEEE80211_STYPE_BACK_REQ	0x0080
80 #define IEEE80211_STYPE_BACK		0x0090
81 #define IEEE80211_STYPE_PSPOLL		0x00A0
82 #define IEEE80211_STYPE_RTS		0x00B0
83 #define IEEE80211_STYPE_CTS		0x00C0
84 #define IEEE80211_STYPE_ACK		0x00D0
85 #define IEEE80211_STYPE_CFEND		0x00E0
86 #define IEEE80211_STYPE_CFENDACK	0x00F0
87 
88 /* data */
89 #define IEEE80211_STYPE_DATA			0x0000
90 #define IEEE80211_STYPE_DATA_CFACK		0x0010
91 #define IEEE80211_STYPE_DATA_CFPOLL		0x0020
92 #define IEEE80211_STYPE_DATA_CFACKPOLL		0x0030
93 #define IEEE80211_STYPE_NULLFUNC		0x0040
94 #define IEEE80211_STYPE_CFACK			0x0050
95 #define IEEE80211_STYPE_CFPOLL			0x0060
96 #define IEEE80211_STYPE_CFACKPOLL		0x0070
97 #define IEEE80211_STYPE_QOS_DATA		0x0080
98 #define IEEE80211_STYPE_QOS_DATA_CFACK		0x0090
99 #define IEEE80211_STYPE_QOS_DATA_CFPOLL		0x00A0
100 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL	0x00B0
101 #define IEEE80211_STYPE_QOS_NULLFUNC		0x00C0
102 #define IEEE80211_STYPE_QOS_CFACK		0x00D0
103 #define IEEE80211_STYPE_QOS_CFPOLL		0x00E0
104 #define IEEE80211_STYPE_QOS_CFACKPOLL		0x00F0
105 
106 /* extension, added by 802.11ad */
107 #define IEEE80211_STYPE_DMG_BEACON		0x0000
108 #define IEEE80211_STYPE_S1G_BEACON		0x0010
109 
110 /* bits unique to S1G beacon */
111 #define IEEE80211_S1G_BCN_NEXT_TBTT	0x100
112 
113 /* see 802.11ah-2016 9.9 NDP CMAC frames */
114 #define IEEE80211_S1G_1MHZ_NDP_BITS	25
115 #define IEEE80211_S1G_1MHZ_NDP_BYTES	4
116 #define IEEE80211_S1G_2MHZ_NDP_BITS	37
117 #define IEEE80211_S1G_2MHZ_NDP_BYTES	5
118 
119 #define IEEE80211_NDP_FTYPE_CTS			0
120 #define IEEE80211_NDP_FTYPE_CF_END		0
121 #define IEEE80211_NDP_FTYPE_PS_POLL		1
122 #define IEEE80211_NDP_FTYPE_ACK			2
123 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK		3
124 #define IEEE80211_NDP_FTYPE_BA			4
125 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL	5
126 #define IEEE80211_NDP_FTYPE_PAGING		6
127 #define IEEE80211_NDP_FTYPE_PREQ		7
128 
129 #define SM64(f, v)	((((u64)v) << f##_S) & f)
130 
131 /* NDP CMAC frame fields */
132 #define IEEE80211_NDP_FTYPE                    0x0000000000000007
133 #define IEEE80211_NDP_FTYPE_S                  0x0000000000000000
134 
135 /* 1M Probe Request 11ah 9.9.3.1.1 */
136 #define IEEE80211_NDP_1M_PREQ_ANO      0x0000000000000008
137 #define IEEE80211_NDP_1M_PREQ_ANO_S                     3
138 #define IEEE80211_NDP_1M_PREQ_CSSID    0x00000000000FFFF0
139 #define IEEE80211_NDP_1M_PREQ_CSSID_S                   4
140 #define IEEE80211_NDP_1M_PREQ_RTYPE    0x0000000000100000
141 #define IEEE80211_NDP_1M_PREQ_RTYPE_S                  20
142 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
143 #define IEEE80211_NDP_1M_PREQ_RSV      0x0000000001E00000
144 /* 2M Probe Request 11ah 9.9.3.1.2 */
145 #define IEEE80211_NDP_2M_PREQ_ANO      0x0000000000000008
146 #define IEEE80211_NDP_2M_PREQ_ANO_S                     3
147 #define IEEE80211_NDP_2M_PREQ_CSSID    0x0000000FFFFFFFF0
148 #define IEEE80211_NDP_2M_PREQ_CSSID_S                   4
149 #define IEEE80211_NDP_2M_PREQ_RTYPE    0x0000001000000000
150 #define IEEE80211_NDP_2M_PREQ_RTYPE_S                  36
151 
152 #define IEEE80211_ANO_NETTYPE_WILD              15
153 
154 /* bits unique to S1G beacon */
155 #define IEEE80211_S1G_BCN_NEXT_TBTT    0x100
156 
157 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
158 #define IEEE80211_CTL_EXT_POLL		0x2000
159 #define IEEE80211_CTL_EXT_SPR		0x3000
160 #define IEEE80211_CTL_EXT_GRANT	0x4000
161 #define IEEE80211_CTL_EXT_DMG_CTS	0x5000
162 #define IEEE80211_CTL_EXT_DMG_DTS	0x6000
163 #define IEEE80211_CTL_EXT_SSW		0x8000
164 #define IEEE80211_CTL_EXT_SSW_FBACK	0x9000
165 #define IEEE80211_CTL_EXT_SSW_ACK	0xa000
166 
167 
168 #define IEEE80211_SN_MASK		((IEEE80211_SCTL_SEQ) >> 4)
169 #define IEEE80211_MAX_SN		IEEE80211_SN_MASK
170 #define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)
171 
172 
173 /* PV1 Layout 11ah 9.8.3.1 */
174 #define IEEE80211_PV1_FCTL_VERS		0x0003
175 #define IEEE80211_PV1_FCTL_FTYPE	0x001c
176 #define IEEE80211_PV1_FCTL_STYPE	0x00e0
177 #define IEEE80211_PV1_FCTL_TODS		0x0100
178 #define IEEE80211_PV1_FCTL_MOREFRAGS	0x0200
179 #define IEEE80211_PV1_FCTL_PM		0x0400
180 #define IEEE80211_PV1_FCTL_MOREDATA	0x0800
181 #define IEEE80211_PV1_FCTL_PROTECTED	0x1000
182 #define IEEE80211_PV1_FCTL_END_SP       0x2000
183 #define IEEE80211_PV1_FCTL_RELAYED      0x4000
184 #define IEEE80211_PV1_FCTL_ACK_POLICY   0x8000
185 #define IEEE80211_PV1_FCTL_CTL_EXT	0x0f00
186 
ieee80211_sn_less(u16 sn1,u16 sn2)187 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
188 {
189 	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
190 }
191 
ieee80211_sn_add(u16 sn1,u16 sn2)192 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
193 {
194 	return (sn1 + sn2) & IEEE80211_SN_MASK;
195 }
196 
ieee80211_sn_inc(u16 sn)197 static inline u16 ieee80211_sn_inc(u16 sn)
198 {
199 	return ieee80211_sn_add(sn, 1);
200 }
201 
ieee80211_sn_sub(u16 sn1,u16 sn2)202 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
203 {
204 	return (sn1 - sn2) & IEEE80211_SN_MASK;
205 }
206 
207 #define IEEE80211_SEQ_TO_SN(seq)	(((seq) & IEEE80211_SCTL_SEQ) >> 4)
208 #define IEEE80211_SN_TO_SEQ(ssn)	(((ssn) << 4) & IEEE80211_SCTL_SEQ)
209 
210 /* miscellaneous IEEE 802.11 constants */
211 #define IEEE80211_MAX_FRAG_THRESHOLD	2352
212 #define IEEE80211_MAX_RTS_THRESHOLD	2353
213 #define IEEE80211_MAX_AID		2007
214 #define IEEE80211_MAX_AID_S1G		8191
215 #define IEEE80211_MAX_TIM_LEN		251
216 #define IEEE80211_MAX_MESH_PEERINGS	63
217 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
218    6.2.1.1.2.
219 
220    802.11e clarifies the figure in section 7.1.2. The frame body is
221    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
222 #define IEEE80211_MAX_DATA_LEN		2304
223 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
224  * to 7920 bytes, see 8.2.3 General frame format
225  */
226 #define IEEE80211_MAX_DATA_LEN_DMG	7920
227 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
228 #define IEEE80211_MAX_FRAME_LEN		2352
229 
230 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
231 #define IEEE80211_MAX_MPDU_LEN_HT_BA		4095
232 
233 /* Maximal size of an A-MSDU */
234 #define IEEE80211_MAX_MPDU_LEN_HT_3839		3839
235 #define IEEE80211_MAX_MPDU_LEN_HT_7935		7935
236 
237 #define IEEE80211_MAX_MPDU_LEN_VHT_3895		3895
238 #define IEEE80211_MAX_MPDU_LEN_VHT_7991		7991
239 #define IEEE80211_MAX_MPDU_LEN_VHT_11454	11454
240 
241 #define IEEE80211_MAX_SSID_LEN		32
242 
243 #define IEEE80211_MAX_MESH_ID_LEN	32
244 
245 #define IEEE80211_FIRST_TSPEC_TSID	8
246 #define IEEE80211_NUM_TIDS		16
247 
248 /* number of user priorities 802.11 uses */
249 #define IEEE80211_NUM_UPS		8
250 /* number of ACs */
251 #define IEEE80211_NUM_ACS		4
252 
253 #define IEEE80211_QOS_CTL_LEN		2
254 /* 1d tag mask */
255 #define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
256 /* TID mask */
257 #define IEEE80211_QOS_CTL_TID_MASK		0x000f
258 /* EOSP */
259 #define IEEE80211_QOS_CTL_EOSP			0x0010
260 /* ACK policy */
261 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
262 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
264 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
265 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
266 /* A-MSDU 802.11n */
267 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
268 /* Mesh Control 802.11s */
269 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
270 
271 /* Mesh Power Save Level */
272 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
273 /* Mesh Receiver Service Period Initiated */
274 #define IEEE80211_QOS_CTL_RSPI			0x0400
275 
276 /* U-APSD queue for WMM IEs sent by AP */
277 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
278 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK	0x0f
279 
280 /* U-APSD queues for WMM IEs sent by STA */
281 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO	(1<<0)
282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI	(1<<1)
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK	(1<<2)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE	(1<<3)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK	0x0f
286 
287 /* U-APSD max SP length for WMM IEs sent by STA */
288 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL	0x00
289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2	0x01
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4	0x02
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6	0x03
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK	0x03
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT	5
294 
295 #define IEEE80211_HT_CTL_LEN		4
296 
297 struct ieee80211_hdr {
298 	__le16 frame_control;
299 	__le16 duration_id;
300 	u8 addr1[ETH_ALEN];
301 	u8 addr2[ETH_ALEN];
302 	u8 addr3[ETH_ALEN];
303 	__le16 seq_ctrl;
304 	u8 addr4[ETH_ALEN];
305 } __packed __aligned(2);
306 
307 struct ieee80211_hdr_3addr {
308 	__le16 frame_control;
309 	__le16 duration_id;
310 	u8 addr1[ETH_ALEN];
311 	u8 addr2[ETH_ALEN];
312 	u8 addr3[ETH_ALEN];
313 	__le16 seq_ctrl;
314 } __packed __aligned(2);
315 
316 struct ieee80211_qos_hdr {
317 	__le16 frame_control;
318 	__le16 duration_id;
319 	u8 addr1[ETH_ALEN];
320 	u8 addr2[ETH_ALEN];
321 	u8 addr3[ETH_ALEN];
322 	__le16 seq_ctrl;
323 	__le16 qos_ctrl;
324 } __packed __aligned(2);
325 
326 /**
327  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
328  * @fc: frame control bytes in little-endian byteorder
329  */
ieee80211_has_tods(__le16 fc)330 static inline bool ieee80211_has_tods(__le16 fc)
331 {
332 	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
333 }
334 
335 /**
336  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
337  * @fc: frame control bytes in little-endian byteorder
338  */
ieee80211_has_fromds(__le16 fc)339 static inline bool ieee80211_has_fromds(__le16 fc)
340 {
341 	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
342 }
343 
344 /**
345  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
346  * @fc: frame control bytes in little-endian byteorder
347  */
ieee80211_has_a4(__le16 fc)348 static inline bool ieee80211_has_a4(__le16 fc)
349 {
350 	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
351 	return (fc & tmp) == tmp;
352 }
353 
354 /**
355  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
356  * @fc: frame control bytes in little-endian byteorder
357  */
ieee80211_has_morefrags(__le16 fc)358 static inline bool ieee80211_has_morefrags(__le16 fc)
359 {
360 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
361 }
362 
363 /**
364  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
365  * @fc: frame control bytes in little-endian byteorder
366  */
ieee80211_has_retry(__le16 fc)367 static inline bool ieee80211_has_retry(__le16 fc)
368 {
369 	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
370 }
371 
372 /**
373  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
374  * @fc: frame control bytes in little-endian byteorder
375  */
ieee80211_has_pm(__le16 fc)376 static inline bool ieee80211_has_pm(__le16 fc)
377 {
378 	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
379 }
380 
381 /**
382  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
383  * @fc: frame control bytes in little-endian byteorder
384  */
ieee80211_has_moredata(__le16 fc)385 static inline bool ieee80211_has_moredata(__le16 fc)
386 {
387 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
388 }
389 
390 /**
391  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
392  * @fc: frame control bytes in little-endian byteorder
393  */
ieee80211_has_protected(__le16 fc)394 static inline bool ieee80211_has_protected(__le16 fc)
395 {
396 	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
397 }
398 
399 /**
400  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
401  * @fc: frame control bytes in little-endian byteorder
402  */
ieee80211_has_order(__le16 fc)403 static inline bool ieee80211_has_order(__le16 fc)
404 {
405 	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
406 }
407 
408 /**
409  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
410  * @fc: frame control bytes in little-endian byteorder
411  */
ieee80211_is_mgmt(__le16 fc)412 static inline bool ieee80211_is_mgmt(__le16 fc)
413 {
414 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
415 	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
416 }
417 
418 /**
419  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
420  * @fc: frame control bytes in little-endian byteorder
421  */
ieee80211_is_ctl(__le16 fc)422 static inline bool ieee80211_is_ctl(__le16 fc)
423 {
424 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
425 	       cpu_to_le16(IEEE80211_FTYPE_CTL);
426 }
427 
428 /**
429  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
430  * @fc: frame control bytes in little-endian byteorder
431  */
ieee80211_is_data(__le16 fc)432 static inline bool ieee80211_is_data(__le16 fc)
433 {
434 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
435 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
436 }
437 
438 /**
439  * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
440  * @fc: frame control bytes in little-endian byteorder
441  */
ieee80211_is_ext(__le16 fc)442 static inline bool ieee80211_is_ext(__le16 fc)
443 {
444 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
445 	       cpu_to_le16(IEEE80211_FTYPE_EXT);
446 }
447 
448 
449 /**
450  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
451  * @fc: frame control bytes in little-endian byteorder
452  */
ieee80211_is_data_qos(__le16 fc)453 static inline bool ieee80211_is_data_qos(__le16 fc)
454 {
455 	/*
456 	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
457 	 * to check the one bit
458 	 */
459 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
460 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
461 }
462 
463 /**
464  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
465  * @fc: frame control bytes in little-endian byteorder
466  */
ieee80211_is_data_present(__le16 fc)467 static inline bool ieee80211_is_data_present(__le16 fc)
468 {
469 	/*
470 	 * mask with 0x40 and test that that bit is clear to only return true
471 	 * for the data-containing substypes.
472 	 */
473 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
474 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
475 }
476 
477 /**
478  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
479  * @fc: frame control bytes in little-endian byteorder
480  */
ieee80211_is_assoc_req(__le16 fc)481 static inline bool ieee80211_is_assoc_req(__le16 fc)
482 {
483 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
484 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
485 }
486 
487 /**
488  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
489  * @fc: frame control bytes in little-endian byteorder
490  */
ieee80211_is_assoc_resp(__le16 fc)491 static inline bool ieee80211_is_assoc_resp(__le16 fc)
492 {
493 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
494 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
495 }
496 
497 /**
498  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
499  * @fc: frame control bytes in little-endian byteorder
500  */
ieee80211_is_reassoc_req(__le16 fc)501 static inline bool ieee80211_is_reassoc_req(__le16 fc)
502 {
503 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
504 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
505 }
506 
507 /**
508  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
509  * @fc: frame control bytes in little-endian byteorder
510  */
ieee80211_is_reassoc_resp(__le16 fc)511 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
512 {
513 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
514 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
515 }
516 
517 /**
518  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
519  * @fc: frame control bytes in little-endian byteorder
520  */
ieee80211_is_probe_req(__le16 fc)521 static inline bool ieee80211_is_probe_req(__le16 fc)
522 {
523 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
524 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
525 }
526 
527 /**
528  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
529  * @fc: frame control bytes in little-endian byteorder
530  */
ieee80211_is_probe_resp(__le16 fc)531 static inline bool ieee80211_is_probe_resp(__le16 fc)
532 {
533 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
534 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
535 }
536 
537 /**
538  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
539  * @fc: frame control bytes in little-endian byteorder
540  */
ieee80211_is_beacon(__le16 fc)541 static inline bool ieee80211_is_beacon(__le16 fc)
542 {
543 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
544 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
545 }
546 
547 /**
548  * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
549  * IEEE80211_STYPE_S1G_BEACON
550  * @fc: frame control bytes in little-endian byteorder
551  */
ieee80211_is_s1g_beacon(__le16 fc)552 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
553 {
554 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
555 				 IEEE80211_FCTL_STYPE)) ==
556 	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
557 }
558 
559 /**
560  * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
561  * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
562  * @fc: frame control bytes in little-endian byteorder
563  */
ieee80211_next_tbtt_present(__le16 fc)564 static inline bool ieee80211_next_tbtt_present(__le16 fc)
565 {
566 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
567 	       cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
568 	       fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
569 }
570 
571 /**
572  * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
573  * true for S1G beacons when they're short.
574  * @fc: frame control bytes in little-endian byteorder
575  */
ieee80211_is_s1g_short_beacon(__le16 fc)576 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
577 {
578 	return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
579 }
580 
581 /**
582  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
583  * @fc: frame control bytes in little-endian byteorder
584  */
ieee80211_is_atim(__le16 fc)585 static inline bool ieee80211_is_atim(__le16 fc)
586 {
587 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
588 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
589 }
590 
591 /**
592  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
593  * @fc: frame control bytes in little-endian byteorder
594  */
ieee80211_is_disassoc(__le16 fc)595 static inline bool ieee80211_is_disassoc(__le16 fc)
596 {
597 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
598 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
599 }
600 
601 /**
602  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
603  * @fc: frame control bytes in little-endian byteorder
604  */
ieee80211_is_auth(__le16 fc)605 static inline bool ieee80211_is_auth(__le16 fc)
606 {
607 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
608 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
609 }
610 
611 /**
612  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
613  * @fc: frame control bytes in little-endian byteorder
614  */
ieee80211_is_deauth(__le16 fc)615 static inline bool ieee80211_is_deauth(__le16 fc)
616 {
617 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
618 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
619 }
620 
621 /**
622  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
623  * @fc: frame control bytes in little-endian byteorder
624  */
ieee80211_is_action(__le16 fc)625 static inline bool ieee80211_is_action(__le16 fc)
626 {
627 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
628 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
629 }
630 
631 /**
632  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
633  * @fc: frame control bytes in little-endian byteorder
634  */
ieee80211_is_back_req(__le16 fc)635 static inline bool ieee80211_is_back_req(__le16 fc)
636 {
637 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
638 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
639 }
640 
641 /**
642  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
643  * @fc: frame control bytes in little-endian byteorder
644  */
ieee80211_is_back(__le16 fc)645 static inline bool ieee80211_is_back(__le16 fc)
646 {
647 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
648 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
649 }
650 
651 /**
652  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
653  * @fc: frame control bytes in little-endian byteorder
654  */
ieee80211_is_pspoll(__le16 fc)655 static inline bool ieee80211_is_pspoll(__le16 fc)
656 {
657 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
658 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
659 }
660 
661 /**
662  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
663  * @fc: frame control bytes in little-endian byteorder
664  */
ieee80211_is_rts(__le16 fc)665 static inline bool ieee80211_is_rts(__le16 fc)
666 {
667 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
668 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
669 }
670 
671 /**
672  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
673  * @fc: frame control bytes in little-endian byteorder
674  */
ieee80211_is_cts(__le16 fc)675 static inline bool ieee80211_is_cts(__le16 fc)
676 {
677 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
678 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
679 }
680 
681 /**
682  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
683  * @fc: frame control bytes in little-endian byteorder
684  */
ieee80211_is_ack(__le16 fc)685 static inline bool ieee80211_is_ack(__le16 fc)
686 {
687 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
688 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
689 }
690 
691 /**
692  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
693  * @fc: frame control bytes in little-endian byteorder
694  */
ieee80211_is_cfend(__le16 fc)695 static inline bool ieee80211_is_cfend(__le16 fc)
696 {
697 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
698 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
699 }
700 
701 /**
702  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
703  * @fc: frame control bytes in little-endian byteorder
704  */
ieee80211_is_cfendack(__le16 fc)705 static inline bool ieee80211_is_cfendack(__le16 fc)
706 {
707 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
708 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
709 }
710 
711 /**
712  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
713  * @fc: frame control bytes in little-endian byteorder
714  */
ieee80211_is_nullfunc(__le16 fc)715 static inline bool ieee80211_is_nullfunc(__le16 fc)
716 {
717 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
718 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
719 }
720 
721 /**
722  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
723  * @fc: frame control bytes in little-endian byteorder
724  */
ieee80211_is_qos_nullfunc(__le16 fc)725 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
726 {
727 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
728 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
729 }
730 
731 /**
732  * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
733  * @fc: frame control bytes in little-endian byteorder
734  */
ieee80211_is_any_nullfunc(__le16 fc)735 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
736 {
737 	return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
738 }
739 
740 /**
741  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
742  * @fc: frame control field in little-endian byteorder
743  */
ieee80211_is_bufferable_mmpdu(__le16 fc)744 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
745 {
746 	/* IEEE 802.11-2012, definition of "bufferable management frame";
747 	 * note that this ignores the IBSS special case. */
748 	return ieee80211_is_mgmt(fc) &&
749 	       (ieee80211_is_action(fc) ||
750 		ieee80211_is_disassoc(fc) ||
751 		ieee80211_is_deauth(fc));
752 }
753 
754 /**
755  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
756  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
757  */
ieee80211_is_first_frag(__le16 seq_ctrl)758 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
759 {
760 	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
761 }
762 
763 /**
764  * ieee80211_is_frag - check if a frame is a fragment
765  * @hdr: 802.11 header of the frame
766  */
ieee80211_is_frag(struct ieee80211_hdr * hdr)767 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
768 {
769 	return ieee80211_has_morefrags(hdr->frame_control) ||
770 	       hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
771 }
772 
773 struct ieee80211s_hdr {
774 	u8 flags;
775 	u8 ttl;
776 	__le32 seqnum;
777 	u8 eaddr1[ETH_ALEN];
778 	u8 eaddr2[ETH_ALEN];
779 } __packed __aligned(2);
780 
781 /* Mesh flags */
782 #define MESH_FLAGS_AE_A4 	0x1
783 #define MESH_FLAGS_AE_A5_A6	0x2
784 #define MESH_FLAGS_AE		0x3
785 #define MESH_FLAGS_PS_DEEP	0x4
786 
787 /**
788  * enum ieee80211_preq_flags - mesh PREQ element flags
789  *
790  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
791  */
792 enum ieee80211_preq_flags {
793 	IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1<<2,
794 };
795 
796 /**
797  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
798  *
799  * @IEEE80211_PREQ_TO_FLAG: target only subfield
800  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
801  */
802 enum ieee80211_preq_target_flags {
803 	IEEE80211_PREQ_TO_FLAG	= 1<<0,
804 	IEEE80211_PREQ_USN_FLAG	= 1<<2,
805 };
806 
807 /**
808  * struct ieee80211_quiet_ie
809  *
810  * This structure refers to "Quiet information element"
811  */
812 struct ieee80211_quiet_ie {
813 	u8 count;
814 	u8 period;
815 	__le16 duration;
816 	__le16 offset;
817 } __packed;
818 
819 /**
820  * struct ieee80211_msrment_ie
821  *
822  * This structure refers to "Measurement Request/Report information element"
823  */
824 struct ieee80211_msrment_ie {
825 	u8 token;
826 	u8 mode;
827 	u8 type;
828 	u8 request[];
829 } __packed;
830 
831 /**
832  * struct ieee80211_channel_sw_ie
833  *
834  * This structure refers to "Channel Switch Announcement information element"
835  */
836 struct ieee80211_channel_sw_ie {
837 	u8 mode;
838 	u8 new_ch_num;
839 	u8 count;
840 } __packed;
841 
842 /**
843  * struct ieee80211_ext_chansw_ie
844  *
845  * This structure represents the "Extended Channel Switch Announcement element"
846  */
847 struct ieee80211_ext_chansw_ie {
848 	u8 mode;
849 	u8 new_operating_class;
850 	u8 new_ch_num;
851 	u8 count;
852 } __packed;
853 
854 /**
855  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
856  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
857  *	values here
858  * This structure represents the "Secondary Channel Offset element"
859  */
860 struct ieee80211_sec_chan_offs_ie {
861 	u8 sec_chan_offs;
862 } __packed;
863 
864 /**
865  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
866  *
867  * This structure represents the "Mesh Channel Switch Paramters element"
868  */
869 struct ieee80211_mesh_chansw_params_ie {
870 	u8 mesh_ttl;
871 	u8 mesh_flags;
872 	__le16 mesh_reason;
873 	__le16 mesh_pre_value;
874 } __packed;
875 
876 /**
877  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
878  */
879 struct ieee80211_wide_bw_chansw_ie {
880 	u8 new_channel_width;
881 	u8 new_center_freq_seg0, new_center_freq_seg1;
882 } __packed;
883 
884 /**
885  * struct ieee80211_tim
886  *
887  * This structure refers to "Traffic Indication Map information element"
888  */
889 struct ieee80211_tim_ie {
890 	u8 dtim_count;
891 	u8 dtim_period;
892 	u8 bitmap_ctrl;
893 	/* variable size: 1 - 251 bytes */
894 	u8 virtual_map[1];
895 } __packed;
896 
897 /**
898  * struct ieee80211_meshconf_ie
899  *
900  * This structure refers to "Mesh Configuration information element"
901  */
902 struct ieee80211_meshconf_ie {
903 	u8 meshconf_psel;
904 	u8 meshconf_pmetric;
905 	u8 meshconf_congest;
906 	u8 meshconf_synch;
907 	u8 meshconf_auth;
908 	u8 meshconf_form;
909 	u8 meshconf_cap;
910 } __packed;
911 
912 /**
913  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
914  *
915  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
916  *	additional mesh peerings with other mesh STAs
917  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
918  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
919  *	is ongoing
920  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
921  *	neighbors in deep sleep mode
922  */
923 enum mesh_config_capab_flags {
924 	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
925 	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
926 	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
927 	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
928 };
929 
930 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
931 
932 /**
933  * mesh channel switch parameters element's flag indicator
934  *
935  */
936 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
937 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
938 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
939 
940 /**
941  * struct ieee80211_rann_ie
942  *
943  * This structure refers to "Root Announcement information element"
944  */
945 struct ieee80211_rann_ie {
946 	u8 rann_flags;
947 	u8 rann_hopcount;
948 	u8 rann_ttl;
949 	u8 rann_addr[ETH_ALEN];
950 	__le32 rann_seq;
951 	__le32 rann_interval;
952 	__le32 rann_metric;
953 } __packed;
954 
955 enum ieee80211_rann_flags {
956 	RANN_FLAG_IS_GATE = 1 << 0,
957 };
958 
959 enum ieee80211_ht_chanwidth_values {
960 	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
961 	IEEE80211_HT_CHANWIDTH_ANY = 1,
962 };
963 
964 /**
965  * enum ieee80211_opmode_bits - VHT operating mode field bits
966  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
967  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
968  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
969  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
970  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
971  * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
972  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
973  *	(the NSS value is the value of this field + 1)
974  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
975  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
976  *	using a beamforming steering matrix
977  */
978 enum ieee80211_vht_opmode_bits {
979 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK	= 0x03,
980 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ	= 0,
981 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ	= 1,
982 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ	= 2,
983 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ	= 3,
984 	IEEE80211_OPMODE_NOTIF_BW_160_80P80	= 0x04,
985 	IEEE80211_OPMODE_NOTIF_RX_NSS_MASK	= 0x70,
986 	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
987 	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
988 };
989 
990 /**
991  * enum ieee80211_s1g_chanwidth
992  * These are defined in IEEE802.11-2016ah Table 10-20
993  * as BSS Channel Width
994  *
995  * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
996  * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
997  * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
998  * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
999  * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1000  */
1001 enum ieee80211_s1g_chanwidth {
1002 	IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1003 	IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1004 	IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1005 	IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1006 	IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1007 };
1008 
1009 #define WLAN_SA_QUERY_TR_ID_LEN 2
1010 #define WLAN_MEMBERSHIP_LEN 8
1011 #define WLAN_USER_POSITION_LEN 16
1012 
1013 /**
1014  * struct ieee80211_tpc_report_ie
1015  *
1016  * This structure refers to "TPC Report element"
1017  */
1018 struct ieee80211_tpc_report_ie {
1019 	u8 tx_power;
1020 	u8 link_margin;
1021 } __packed;
1022 
1023 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK	GENMASK(2, 1)
1024 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT	1
1025 #define IEEE80211_ADDBA_EXT_NO_FRAG		BIT(0)
1026 
1027 struct ieee80211_addba_ext_ie {
1028 	u8 data;
1029 } __packed;
1030 
1031 /**
1032  * struct ieee80211_s1g_bcn_compat_ie
1033  *
1034  * S1G Beacon Compatibility element
1035  */
1036 struct ieee80211_s1g_bcn_compat_ie {
1037 	__le16 compat_info;
1038 	__le16 beacon_int;
1039 	__le32 tsf_completion;
1040 } __packed;
1041 
1042 /**
1043  * struct ieee80211_s1g_oper_ie
1044  *
1045  * S1G Operation element
1046  */
1047 struct ieee80211_s1g_oper_ie {
1048 	u8 ch_width;
1049 	u8 oper_class;
1050 	u8 primary_ch;
1051 	u8 oper_ch;
1052 	__le16 basic_mcs_nss;
1053 } __packed;
1054 
1055 /**
1056  * struct ieee80211_aid_response_ie
1057  *
1058  * AID Response element
1059  */
1060 struct ieee80211_aid_response_ie {
1061 	__le16 aid;
1062 	u8 switch_count;
1063 	__le16 response_int;
1064 } __packed;
1065 
1066 struct ieee80211_s1g_cap {
1067 	u8 capab_info[10];
1068 	u8 supp_mcs_nss[5];
1069 } __packed;
1070 
1071 struct ieee80211_ext {
1072 	__le16 frame_control;
1073 	__le16 duration;
1074 	union {
1075 		struct {
1076 			u8 sa[ETH_ALEN];
1077 			__le32 timestamp;
1078 			u8 change_seq;
1079 			u8 variable[0];
1080 		} __packed s1g_beacon;
1081 		struct {
1082 			u8 sa[ETH_ALEN];
1083 			__le32 timestamp;
1084 			u8 change_seq;
1085 			u8 next_tbtt[3];
1086 			u8 variable[0];
1087 		} __packed s1g_short_beacon;
1088 	} u;
1089 } __packed __aligned(2);
1090 
1091 #define IEEE80211_TWT_CONTROL_NDP			BIT(0)
1092 #define IEEE80211_TWT_CONTROL_RESP_MODE			BIT(1)
1093 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST	BIT(3)
1094 #define IEEE80211_TWT_CONTROL_RX_DISABLED		BIT(4)
1095 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT		BIT(5)
1096 
1097 #define IEEE80211_TWT_REQTYPE_REQUEST			BIT(0)
1098 #define IEEE80211_TWT_REQTYPE_SETUP_CMD			GENMASK(3, 1)
1099 #define IEEE80211_TWT_REQTYPE_TRIGGER			BIT(4)
1100 #define IEEE80211_TWT_REQTYPE_IMPLICIT			BIT(5)
1101 #define IEEE80211_TWT_REQTYPE_FLOWTYPE			BIT(6)
1102 #define IEEE80211_TWT_REQTYPE_FLOWID			GENMASK(9, 7)
1103 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP		GENMASK(14, 10)
1104 #define IEEE80211_TWT_REQTYPE_PROTECTION		BIT(15)
1105 
1106 enum ieee80211_twt_setup_cmd {
1107 	TWT_SETUP_CMD_REQUEST,
1108 	TWT_SETUP_CMD_SUGGEST,
1109 	TWT_SETUP_CMD_DEMAND,
1110 	TWT_SETUP_CMD_GROUPING,
1111 	TWT_SETUP_CMD_ACCEPT,
1112 	TWT_SETUP_CMD_ALTERNATE,
1113 	TWT_SETUP_CMD_DICTATE,
1114 	TWT_SETUP_CMD_REJECT,
1115 };
1116 
1117 struct ieee80211_twt_params {
1118 	__le16 req_type;
1119 	__le64 twt;
1120 	u8 min_twt_dur;
1121 	__le16 mantissa;
1122 	u8 channel;
1123 } __packed;
1124 
1125 struct ieee80211_twt_setup {
1126 	u8 dialog_token;
1127 	u8 element_id;
1128 	u8 length;
1129 	u8 control;
1130 	u8 params[];
1131 } __packed;
1132 
1133 struct ieee80211_mgmt {
1134 	__le16 frame_control;
1135 	__le16 duration;
1136 	u8 da[ETH_ALEN];
1137 	u8 sa[ETH_ALEN];
1138 	u8 bssid[ETH_ALEN];
1139 	__le16 seq_ctrl;
1140 	union {
1141 		struct {
1142 			__le16 auth_alg;
1143 			__le16 auth_transaction;
1144 			__le16 status_code;
1145 			/* possibly followed by Challenge text */
1146 			u8 variable[0];
1147 		} __packed auth;
1148 		struct {
1149 			__le16 reason_code;
1150 		} __packed deauth;
1151 		struct {
1152 			__le16 capab_info;
1153 			__le16 listen_interval;
1154 			/* followed by SSID and Supported rates */
1155 			u8 variable[0];
1156 		} __packed assoc_req;
1157 		struct {
1158 			__le16 capab_info;
1159 			__le16 status_code;
1160 			__le16 aid;
1161 			/* followed by Supported rates */
1162 			u8 variable[0];
1163 		} __packed assoc_resp, reassoc_resp;
1164 		struct {
1165 			__le16 capab_info;
1166 			__le16 status_code;
1167 			u8 variable[0];
1168 		} __packed s1g_assoc_resp, s1g_reassoc_resp;
1169 		struct {
1170 			__le16 capab_info;
1171 			__le16 listen_interval;
1172 			u8 current_ap[ETH_ALEN];
1173 			/* followed by SSID and Supported rates */
1174 			u8 variable[0];
1175 		} __packed reassoc_req;
1176 		struct {
1177 			__le16 reason_code;
1178 		} __packed disassoc;
1179 		struct {
1180 			__le64 timestamp;
1181 			__le16 beacon_int;
1182 			__le16 capab_info;
1183 			/* followed by some of SSID, Supported rates,
1184 			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1185 			u8 variable[0];
1186 		} __packed beacon;
1187 		struct {
1188 			/* only variable items: SSID, Supported rates */
1189 			u8 variable[0];
1190 		} __packed probe_req;
1191 		struct {
1192 			__le64 timestamp;
1193 			__le16 beacon_int;
1194 			__le16 capab_info;
1195 			/* followed by some of SSID, Supported rates,
1196 			 * FH Params, DS Params, CF Params, IBSS Params */
1197 			u8 variable[0];
1198 		} __packed probe_resp;
1199 		struct {
1200 			u8 category;
1201 			union {
1202 				struct {
1203 					u8 action_code;
1204 					u8 dialog_token;
1205 					u8 status_code;
1206 					u8 variable[0];
1207 				} __packed wme_action;
1208 				struct{
1209 					u8 action_code;
1210 					u8 variable[0];
1211 				} __packed chan_switch;
1212 				struct{
1213 					u8 action_code;
1214 					struct ieee80211_ext_chansw_ie data;
1215 					u8 variable[0];
1216 				} __packed ext_chan_switch;
1217 				struct{
1218 					u8 action_code;
1219 					u8 dialog_token;
1220 					u8 element_id;
1221 					u8 length;
1222 					struct ieee80211_msrment_ie msr_elem;
1223 				} __packed measurement;
1224 				struct{
1225 					u8 action_code;
1226 					u8 dialog_token;
1227 					__le16 capab;
1228 					__le16 timeout;
1229 					__le16 start_seq_num;
1230 					/* followed by BA Extension */
1231 					u8 variable[0];
1232 				} __packed addba_req;
1233 				struct{
1234 					u8 action_code;
1235 					u8 dialog_token;
1236 					__le16 status;
1237 					__le16 capab;
1238 					__le16 timeout;
1239 				} __packed addba_resp;
1240 				struct{
1241 					u8 action_code;
1242 					__le16 params;
1243 					__le16 reason_code;
1244 				} __packed delba;
1245 				struct {
1246 					u8 action_code;
1247 					u8 variable[0];
1248 				} __packed self_prot;
1249 				struct{
1250 					u8 action_code;
1251 					u8 variable[0];
1252 				} __packed mesh_action;
1253 				struct {
1254 					u8 action;
1255 					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1256 				} __packed sa_query;
1257 				struct {
1258 					u8 action;
1259 					u8 smps_control;
1260 				} __packed ht_smps;
1261 				struct {
1262 					u8 action_code;
1263 					u8 chanwidth;
1264 				} __packed ht_notify_cw;
1265 				struct {
1266 					u8 action_code;
1267 					u8 dialog_token;
1268 					__le16 capability;
1269 					u8 variable[0];
1270 				} __packed tdls_discover_resp;
1271 				struct {
1272 					u8 action_code;
1273 					u8 operating_mode;
1274 				} __packed vht_opmode_notif;
1275 				struct {
1276 					u8 action_code;
1277 					u8 membership[WLAN_MEMBERSHIP_LEN];
1278 					u8 position[WLAN_USER_POSITION_LEN];
1279 				} __packed vht_group_notif;
1280 				struct {
1281 					u8 action_code;
1282 					u8 dialog_token;
1283 					u8 tpc_elem_id;
1284 					u8 tpc_elem_length;
1285 					struct ieee80211_tpc_report_ie tpc;
1286 				} __packed tpc_report;
1287 				struct {
1288 					u8 action_code;
1289 					u8 dialog_token;
1290 					u8 follow_up;
1291 					u8 tod[6];
1292 					u8 toa[6];
1293 					__le16 tod_error;
1294 					__le16 toa_error;
1295 					u8 variable[0];
1296 				} __packed ftm;
1297 				struct {
1298 					u8 action_code;
1299 					u8 variable[];
1300 				} __packed s1g;
1301 			} u;
1302 		} __packed action;
1303 	} u;
1304 } __packed __aligned(2);
1305 
1306 /* Supported rates membership selectors */
1307 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
1308 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY	126
1309 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY	122
1310 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1311 
1312 /* mgmt header + 1 byte category code */
1313 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1314 
1315 
1316 /* Management MIC information element (IEEE 802.11w) */
1317 struct ieee80211_mmie {
1318 	u8 element_id;
1319 	u8 length;
1320 	__le16 key_id;
1321 	u8 sequence_number[6];
1322 	u8 mic[8];
1323 } __packed;
1324 
1325 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1326 struct ieee80211_mmie_16 {
1327 	u8 element_id;
1328 	u8 length;
1329 	__le16 key_id;
1330 	u8 sequence_number[6];
1331 	u8 mic[16];
1332 } __packed;
1333 
1334 struct ieee80211_vendor_ie {
1335 	u8 element_id;
1336 	u8 len;
1337 	u8 oui[3];
1338 	u8 oui_type;
1339 } __packed;
1340 
1341 struct ieee80211_wmm_ac_param {
1342 	u8 aci_aifsn; /* AIFSN, ACM, ACI */
1343 	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1344 	__le16 txop_limit;
1345 } __packed;
1346 
1347 struct ieee80211_wmm_param_ie {
1348 	u8 element_id; /* Element ID: 221 (0xdd); */
1349 	u8 len; /* Length: 24 */
1350 	/* required fields for WMM version 1 */
1351 	u8 oui[3]; /* 00:50:f2 */
1352 	u8 oui_type; /* 2 */
1353 	u8 oui_subtype; /* 1 */
1354 	u8 version; /* 1 for WMM version 1.0 */
1355 	u8 qos_info; /* AP/STA specific QoS info */
1356 	u8 reserved; /* 0 */
1357 	/* AC_BE, AC_BK, AC_VI, AC_VO */
1358 	struct ieee80211_wmm_ac_param ac[4];
1359 } __packed;
1360 
1361 /* Control frames */
1362 struct ieee80211_rts {
1363 	__le16 frame_control;
1364 	__le16 duration;
1365 	u8 ra[ETH_ALEN];
1366 	u8 ta[ETH_ALEN];
1367 } __packed __aligned(2);
1368 
1369 struct ieee80211_cts {
1370 	__le16 frame_control;
1371 	__le16 duration;
1372 	u8 ra[ETH_ALEN];
1373 } __packed __aligned(2);
1374 
1375 struct ieee80211_pspoll {
1376 	__le16 frame_control;
1377 	__le16 aid;
1378 	u8 bssid[ETH_ALEN];
1379 	u8 ta[ETH_ALEN];
1380 } __packed __aligned(2);
1381 
1382 /* TDLS */
1383 
1384 /* Channel switch timing */
1385 struct ieee80211_ch_switch_timing {
1386 	__le16 switch_time;
1387 	__le16 switch_timeout;
1388 } __packed;
1389 
1390 /* Link-id information element */
1391 struct ieee80211_tdls_lnkie {
1392 	u8 ie_type; /* Link Identifier IE */
1393 	u8 ie_len;
1394 	u8 bssid[ETH_ALEN];
1395 	u8 init_sta[ETH_ALEN];
1396 	u8 resp_sta[ETH_ALEN];
1397 } __packed;
1398 
1399 struct ieee80211_tdls_data {
1400 	u8 da[ETH_ALEN];
1401 	u8 sa[ETH_ALEN];
1402 	__be16 ether_type;
1403 	u8 payload_type;
1404 	u8 category;
1405 	u8 action_code;
1406 	union {
1407 		struct {
1408 			u8 dialog_token;
1409 			__le16 capability;
1410 			u8 variable[0];
1411 		} __packed setup_req;
1412 		struct {
1413 			__le16 status_code;
1414 			u8 dialog_token;
1415 			__le16 capability;
1416 			u8 variable[0];
1417 		} __packed setup_resp;
1418 		struct {
1419 			__le16 status_code;
1420 			u8 dialog_token;
1421 			u8 variable[0];
1422 		} __packed setup_cfm;
1423 		struct {
1424 			__le16 reason_code;
1425 			u8 variable[0];
1426 		} __packed teardown;
1427 		struct {
1428 			u8 dialog_token;
1429 			u8 variable[0];
1430 		} __packed discover_req;
1431 		struct {
1432 			u8 target_channel;
1433 			u8 oper_class;
1434 			u8 variable[0];
1435 		} __packed chan_switch_req;
1436 		struct {
1437 			__le16 status_code;
1438 			u8 variable[0];
1439 		} __packed chan_switch_resp;
1440 	} u;
1441 } __packed;
1442 
1443 /*
1444  * Peer-to-Peer IE attribute related definitions.
1445  */
1446 /**
1447  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1448  */
1449 enum ieee80211_p2p_attr_id {
1450 	IEEE80211_P2P_ATTR_STATUS = 0,
1451 	IEEE80211_P2P_ATTR_MINOR_REASON,
1452 	IEEE80211_P2P_ATTR_CAPABILITY,
1453 	IEEE80211_P2P_ATTR_DEVICE_ID,
1454 	IEEE80211_P2P_ATTR_GO_INTENT,
1455 	IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1456 	IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1457 	IEEE80211_P2P_ATTR_GROUP_BSSID,
1458 	IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1459 	IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1460 	IEEE80211_P2P_ATTR_MANAGABILITY,
1461 	IEEE80211_P2P_ATTR_CHANNEL_LIST,
1462 	IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1463 	IEEE80211_P2P_ATTR_DEVICE_INFO,
1464 	IEEE80211_P2P_ATTR_GROUP_INFO,
1465 	IEEE80211_P2P_ATTR_GROUP_ID,
1466 	IEEE80211_P2P_ATTR_INTERFACE,
1467 	IEEE80211_P2P_ATTR_OPER_CHANNEL,
1468 	IEEE80211_P2P_ATTR_INVITE_FLAGS,
1469 	/* 19 - 220: Reserved */
1470 	IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1471 
1472 	IEEE80211_P2P_ATTR_MAX
1473 };
1474 
1475 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1476 /* Typical max value used here */
1477 #define IEEE80211_P2P_NOA_DESC_MAX	4
1478 
1479 struct ieee80211_p2p_noa_desc {
1480 	u8 count;
1481 	__le32 duration;
1482 	__le32 interval;
1483 	__le32 start_time;
1484 } __packed;
1485 
1486 struct ieee80211_p2p_noa_attr {
1487 	u8 index;
1488 	u8 oppps_ctwindow;
1489 	struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1490 } __packed;
1491 
1492 #define IEEE80211_P2P_OPPPS_ENABLE_BIT		BIT(7)
1493 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK	0x7F
1494 
1495 /**
1496  * struct ieee80211_bar - HT Block Ack Request
1497  *
1498  * This structure refers to "HT BlockAckReq" as
1499  * described in 802.11n draft section 7.2.1.7.1
1500  */
1501 struct ieee80211_bar {
1502 	__le16 frame_control;
1503 	__le16 duration;
1504 	__u8 ra[ETH_ALEN];
1505 	__u8 ta[ETH_ALEN];
1506 	__le16 control;
1507 	__le16 start_seq_num;
1508 } __packed;
1509 
1510 /* 802.11 BAR control masks */
1511 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
1512 #define IEEE80211_BAR_CTRL_MULTI_TID		0x0002
1513 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA	0x0004
1514 #define IEEE80211_BAR_CTRL_TID_INFO_MASK	0xf000
1515 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT	12
1516 
1517 #define IEEE80211_HT_MCS_MASK_LEN		10
1518 
1519 /**
1520  * struct ieee80211_mcs_info - MCS information
1521  * @rx_mask: RX mask
1522  * @rx_highest: highest supported RX rate. If set represents
1523  *	the highest supported RX data rate in units of 1 Mbps.
1524  *	If this field is 0 this value should not be used to
1525  *	consider the highest RX data rate supported.
1526  * @tx_params: TX parameters
1527  */
1528 struct ieee80211_mcs_info {
1529 	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1530 	__le16 rx_highest;
1531 	u8 tx_params;
1532 	u8 reserved[3];
1533 } __packed;
1534 
1535 /* 802.11n HT capability MSC set */
1536 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
1537 #define IEEE80211_HT_MCS_TX_DEFINED		0x01
1538 #define IEEE80211_HT_MCS_TX_RX_DIFF		0x02
1539 /* value 0 == 1 stream etc */
1540 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK	0x0C
1541 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT	2
1542 #define		IEEE80211_HT_MCS_TX_MAX_STREAMS	4
1543 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION	0x10
1544 
1545 /*
1546  * 802.11n D5.0 20.3.5 / 20.6 says:
1547  * - indices 0 to 7 and 32 are single spatial stream
1548  * - 8 to 31 are multiple spatial streams using equal modulation
1549  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1550  * - remainder are multiple spatial streams using unequal modulation
1551  */
1552 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1553 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1554 	(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1555 
1556 /**
1557  * struct ieee80211_ht_cap - HT capabilities
1558  *
1559  * This structure is the "HT capabilities element" as
1560  * described in 802.11n D5.0 7.3.2.57
1561  */
1562 struct ieee80211_ht_cap {
1563 	__le16 cap_info;
1564 	u8 ampdu_params_info;
1565 
1566 	/* 16 bytes MCS information */
1567 	struct ieee80211_mcs_info mcs;
1568 
1569 	__le16 extended_ht_cap_info;
1570 	__le32 tx_BF_cap_info;
1571 	u8 antenna_selection_info;
1572 } __packed;
1573 
1574 /* 802.11n HT capabilities masks (for cap_info) */
1575 #define IEEE80211_HT_CAP_LDPC_CODING		0x0001
1576 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40	0x0002
1577 #define IEEE80211_HT_CAP_SM_PS			0x000C
1578 #define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
1579 #define IEEE80211_HT_CAP_GRN_FLD		0x0010
1580 #define IEEE80211_HT_CAP_SGI_20			0x0020
1581 #define IEEE80211_HT_CAP_SGI_40			0x0040
1582 #define IEEE80211_HT_CAP_TX_STBC		0x0080
1583 #define IEEE80211_HT_CAP_RX_STBC		0x0300
1584 #define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
1585 #define IEEE80211_HT_CAP_DELAY_BA		0x0400
1586 #define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
1587 #define IEEE80211_HT_CAP_DSSSCCK40		0x1000
1588 #define IEEE80211_HT_CAP_RESERVED		0x2000
1589 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
1590 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000
1591 
1592 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1593 #define IEEE80211_HT_EXT_CAP_PCO		0x0001
1594 #define IEEE80211_HT_EXT_CAP_PCO_TIME		0x0006
1595 #define		IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT	1
1596 #define IEEE80211_HT_EXT_CAP_MCS_FB		0x0300
1597 #define		IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT	8
1598 #define IEEE80211_HT_EXT_CAP_HTC_SUP		0x0400
1599 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER	0x0800
1600 
1601 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1602 #define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
1603 #define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
1604 #define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2
1605 
1606 /*
1607  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1608  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1609  */
1610 enum ieee80211_max_ampdu_length_exp {
1611 	IEEE80211_HT_MAX_AMPDU_8K = 0,
1612 	IEEE80211_HT_MAX_AMPDU_16K = 1,
1613 	IEEE80211_HT_MAX_AMPDU_32K = 2,
1614 	IEEE80211_HT_MAX_AMPDU_64K = 3
1615 };
1616 
1617 /*
1618  * Maximum length of AMPDU that the STA can receive in VHT.
1619  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1620  */
1621 enum ieee80211_vht_max_ampdu_length_exp {
1622 	IEEE80211_VHT_MAX_AMPDU_8K = 0,
1623 	IEEE80211_VHT_MAX_AMPDU_16K = 1,
1624 	IEEE80211_VHT_MAX_AMPDU_32K = 2,
1625 	IEEE80211_VHT_MAX_AMPDU_64K = 3,
1626 	IEEE80211_VHT_MAX_AMPDU_128K = 4,
1627 	IEEE80211_VHT_MAX_AMPDU_256K = 5,
1628 	IEEE80211_VHT_MAX_AMPDU_512K = 6,
1629 	IEEE80211_VHT_MAX_AMPDU_1024K = 7
1630 };
1631 
1632 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1633 
1634 /* Minimum MPDU start spacing */
1635 enum ieee80211_min_mpdu_spacing {
1636 	IEEE80211_HT_MPDU_DENSITY_NONE = 0,	/* No restriction */
1637 	IEEE80211_HT_MPDU_DENSITY_0_25 = 1,	/* 1/4 usec */
1638 	IEEE80211_HT_MPDU_DENSITY_0_5 = 2,	/* 1/2 usec */
1639 	IEEE80211_HT_MPDU_DENSITY_1 = 3,	/* 1 usec */
1640 	IEEE80211_HT_MPDU_DENSITY_2 = 4,	/* 2 usec */
1641 	IEEE80211_HT_MPDU_DENSITY_4 = 5,	/* 4 usec */
1642 	IEEE80211_HT_MPDU_DENSITY_8 = 6,	/* 8 usec */
1643 	IEEE80211_HT_MPDU_DENSITY_16 = 7	/* 16 usec */
1644 };
1645 
1646 /**
1647  * struct ieee80211_ht_operation - HT operation IE
1648  *
1649  * This structure is the "HT operation element" as
1650  * described in 802.11n-2009 7.3.2.57
1651  */
1652 struct ieee80211_ht_operation {
1653 	u8 primary_chan;
1654 	u8 ht_param;
1655 	__le16 operation_mode;
1656 	__le16 stbc_param;
1657 	u8 basic_set[16];
1658 } __packed;
1659 
1660 /* for ht_param */
1661 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
1662 #define		IEEE80211_HT_PARAM_CHA_SEC_NONE		0x00
1663 #define		IEEE80211_HT_PARAM_CHA_SEC_ABOVE	0x01
1664 #define		IEEE80211_HT_PARAM_CHA_SEC_BELOW	0x03
1665 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY		0x04
1666 #define IEEE80211_HT_PARAM_RIFS_MODE			0x08
1667 
1668 /* for operation_mode */
1669 #define IEEE80211_HT_OP_MODE_PROTECTION			0x0003
1670 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONE		0
1671 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER	1
1672 #define		IEEE80211_HT_OP_MODE_PROTECTION_20MHZ		2
1673 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED	3
1674 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT		0x0004
1675 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT		0x0010
1676 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT		5
1677 #define IEEE80211_HT_OP_MODE_CCFS2_MASK			0x1fe0
1678 
1679 /* for stbc_param */
1680 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON		0x0040
1681 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT		0x0080
1682 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON		0x0100
1683 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT	0x0200
1684 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE		0x0400
1685 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE		0x0800
1686 
1687 
1688 /* block-ack parameters */
1689 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1690 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1691 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1692 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1693 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1694 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1695 
1696 /*
1697  * A-MPDU buffer sizes
1698  * According to HT size varies from 8 to 64 frames
1699  * HE adds the ability to have up to 256 frames.
1700  */
1701 #define IEEE80211_MIN_AMPDU_BUF		0x8
1702 #define IEEE80211_MAX_AMPDU_BUF_HT	0x40
1703 #define IEEE80211_MAX_AMPDU_BUF		0x100
1704 
1705 
1706 /* Spatial Multiplexing Power Save Modes (for capability) */
1707 #define WLAN_HT_CAP_SM_PS_STATIC	0
1708 #define WLAN_HT_CAP_SM_PS_DYNAMIC	1
1709 #define WLAN_HT_CAP_SM_PS_INVALID	2
1710 #define WLAN_HT_CAP_SM_PS_DISABLED	3
1711 
1712 /* for SM power control field lower two bits */
1713 #define WLAN_HT_SMPS_CONTROL_DISABLED	0
1714 #define WLAN_HT_SMPS_CONTROL_STATIC	1
1715 #define WLAN_HT_SMPS_CONTROL_DYNAMIC	3
1716 
1717 /**
1718  * struct ieee80211_vht_mcs_info - VHT MCS information
1719  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1720  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1721  *	STA can receive. Rate expressed in units of 1 Mbps.
1722  *	If this field is 0 this value should not be used to
1723  *	consider the highest RX data rate supported.
1724  *	The top 3 bits of this field indicate the Maximum NSTS,total
1725  *	(a beamformee capability.)
1726  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1727  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1728  *	STA can transmit. Rate expressed in units of 1 Mbps.
1729  *	If this field is 0 this value should not be used to
1730  *	consider the highest TX data rate supported.
1731  *	The top 2 bits of this field are reserved, the
1732  *	3rd bit from the top indiciates VHT Extended NSS BW
1733  *	Capability.
1734  */
1735 struct ieee80211_vht_mcs_info {
1736 	__le16 rx_mcs_map;
1737 	__le16 rx_highest;
1738 	__le16 tx_mcs_map;
1739 	__le16 tx_highest;
1740 } __packed;
1741 
1742 /* for rx_highest */
1743 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT	13
1744 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK	(7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1745 
1746 /* for tx_highest */
1747 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE	(1 << 13)
1748 
1749 /**
1750  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1751  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1752  *	number of streams
1753  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1754  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1755  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1756  *
1757  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1758  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1759  * both split into 8 subfields by number of streams. These values indicate
1760  * which MCSes are supported for the number of streams the value appears
1761  * for.
1762  */
1763 enum ieee80211_vht_mcs_support {
1764 	IEEE80211_VHT_MCS_SUPPORT_0_7	= 0,
1765 	IEEE80211_VHT_MCS_SUPPORT_0_8	= 1,
1766 	IEEE80211_VHT_MCS_SUPPORT_0_9	= 2,
1767 	IEEE80211_VHT_MCS_NOT_SUPPORTED	= 3,
1768 };
1769 
1770 /**
1771  * struct ieee80211_vht_cap - VHT capabilities
1772  *
1773  * This structure is the "VHT capabilities element" as
1774  * described in 802.11ac D3.0 8.4.2.160
1775  * @vht_cap_info: VHT capability info
1776  * @supp_mcs: VHT MCS supported rates
1777  */
1778 struct ieee80211_vht_cap {
1779 	__le32 vht_cap_info;
1780 	struct ieee80211_vht_mcs_info supp_mcs;
1781 } __packed;
1782 
1783 /**
1784  * enum ieee80211_vht_chanwidth - VHT channel width
1785  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1786  *	determine the channel width (20 or 40 MHz)
1787  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1788  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1789  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1790  */
1791 enum ieee80211_vht_chanwidth {
1792 	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,
1793 	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,
1794 	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,
1795 	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,
1796 };
1797 
1798 /**
1799  * struct ieee80211_vht_operation - VHT operation IE
1800  *
1801  * This structure is the "VHT operation element" as
1802  * described in 802.11ac D3.0 8.4.2.161
1803  * @chan_width: Operating channel width
1804  * @center_freq_seg0_idx: center freq segment 0 index
1805  * @center_freq_seg1_idx: center freq segment 1 index
1806  * @basic_mcs_set: VHT Basic MCS rate set
1807  */
1808 struct ieee80211_vht_operation {
1809 	u8 chan_width;
1810 	u8 center_freq_seg0_idx;
1811 	u8 center_freq_seg1_idx;
1812 	__le16 basic_mcs_set;
1813 } __packed;
1814 
1815 /**
1816  * struct ieee80211_he_cap_elem - HE capabilities element
1817  *
1818  * This structure is the "HE capabilities element" fixed fields as
1819  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1820  */
1821 struct ieee80211_he_cap_elem {
1822 	u8 mac_cap_info[6];
1823 	u8 phy_cap_info[11];
1824 } __packed;
1825 
1826 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN	5
1827 
1828 /**
1829  * enum ieee80211_he_mcs_support - HE MCS support definitions
1830  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1831  *	number of streams
1832  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1833  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1834  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1835  *
1836  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1837  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1838  * both split into 8 subfields by number of streams. These values indicate
1839  * which MCSes are supported for the number of streams the value appears
1840  * for.
1841  */
1842 enum ieee80211_he_mcs_support {
1843 	IEEE80211_HE_MCS_SUPPORT_0_7	= 0,
1844 	IEEE80211_HE_MCS_SUPPORT_0_9	= 1,
1845 	IEEE80211_HE_MCS_SUPPORT_0_11	= 2,
1846 	IEEE80211_HE_MCS_NOT_SUPPORTED	= 3,
1847 };
1848 
1849 /**
1850  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1851  *
1852  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1853  * described in P802.11ax_D2.0 section 9.4.2.237.4
1854  *
1855  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1856  *     widths less than 80MHz.
1857  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1858  *     widths less than 80MHz.
1859  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1860  *     width 160MHz.
1861  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1862  *     width 160MHz.
1863  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1864  *     channel width 80p80MHz.
1865  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1866  *     channel width 80p80MHz.
1867  */
1868 struct ieee80211_he_mcs_nss_supp {
1869 	__le16 rx_mcs_80;
1870 	__le16 tx_mcs_80;
1871 	__le16 rx_mcs_160;
1872 	__le16 tx_mcs_160;
1873 	__le16 rx_mcs_80p80;
1874 	__le16 tx_mcs_80p80;
1875 } __packed;
1876 
1877 /**
1878  * struct ieee80211_he_operation - HE capabilities element
1879  *
1880  * This structure is the "HE operation element" fields as
1881  * described in P802.11ax_D4.0 section 9.4.2.243
1882  */
1883 struct ieee80211_he_operation {
1884 	__le32 he_oper_params;
1885 	__le16 he_mcs_nss_set;
1886 	/* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1887 	u8 optional[];
1888 } __packed;
1889 
1890 /**
1891  * struct ieee80211_he_spr - HE spatial reuse element
1892  *
1893  * This structure is the "HE spatial reuse element" element as
1894  * described in P802.11ax_D4.0 section 9.4.2.241
1895  */
1896 struct ieee80211_he_spr {
1897 	u8 he_sr_control;
1898 	/* Optional 0 to 19 bytes: depends on @he_sr_control */
1899 	u8 optional[];
1900 } __packed;
1901 
1902 /**
1903  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1904  *
1905  * This structure is the "MU AC Parameter Record" fields as
1906  * described in P802.11ax_D4.0 section 9.4.2.245
1907  */
1908 struct ieee80211_he_mu_edca_param_ac_rec {
1909 	u8 aifsn;
1910 	u8 ecw_min_max;
1911 	u8 mu_edca_timer;
1912 } __packed;
1913 
1914 /**
1915  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1916  *
1917  * This structure is the "MU EDCA Parameter Set element" fields as
1918  * described in P802.11ax_D4.0 section 9.4.2.245
1919  */
1920 struct ieee80211_mu_edca_param_set {
1921 	u8 mu_qos_info;
1922 	struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1923 	struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1924 	struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1925 	struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1926 } __packed;
1927 
1928 /* 802.11ac VHT Capabilities */
1929 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895			0x00000000
1930 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991			0x00000001
1931 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454			0x00000002
1932 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK				0x00000003
1933 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
1934 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
1935 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
1936 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT			2
1937 #define IEEE80211_VHT_CAP_RXLDPC				0x00000010
1938 #define IEEE80211_VHT_CAP_SHORT_GI_80				0x00000020
1939 #define IEEE80211_VHT_CAP_SHORT_GI_160				0x00000040
1940 #define IEEE80211_VHT_CAP_TXSTBC				0x00000080
1941 #define IEEE80211_VHT_CAP_RXSTBC_1				0x00000100
1942 #define IEEE80211_VHT_CAP_RXSTBC_2				0x00000200
1943 #define IEEE80211_VHT_CAP_RXSTBC_3				0x00000300
1944 #define IEEE80211_VHT_CAP_RXSTBC_4				0x00000400
1945 #define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
1946 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT				8
1947 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
1948 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
1949 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1950 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK			\
1951 		(7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1952 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT		16
1953 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK		\
1954 		(7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1955 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE			0x00080000
1956 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE			0x00100000
1957 #define IEEE80211_VHT_CAP_VHT_TXOP_PS				0x00200000
1958 #define IEEE80211_VHT_CAP_HTC_VHT				0x00400000
1959 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
1960 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK	\
1961 		(7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1962 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
1963 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
1964 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN			0x10000000
1965 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN			0x20000000
1966 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT			30
1967 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK			0xc0000000
1968 
1969 /**
1970  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1971  * @cap: VHT capabilities of the peer
1972  * @bw: bandwidth to use
1973  * @mcs: MCS index to use
1974  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1975  *	(rate scaling algorithm) can deal with the new logic
1976  *	(dot11VHTExtendedNSSBWCapable)
1977  * @max_vht_nss: current maximum NSS as advertised by the STA in
1978  *	operating mode notification, can be 0 in which case the
1979  *	capability data will be used to derive this (from MCS support)
1980  *
1981  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1982  * vary for a given BW/MCS. This function parses the data.
1983  *
1984  * Note: This function is exported by cfg80211.
1985  */
1986 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1987 			      enum ieee80211_vht_chanwidth bw,
1988 			      int mcs, bool ext_nss_bw_capable,
1989 			      unsigned int max_vht_nss);
1990 
1991 /* 802.11ax HE MAC capabilities */
1992 #define IEEE80211_HE_MAC_CAP0_HTC_HE				0x01
1993 #define IEEE80211_HE_MAC_CAP0_TWT_REQ				0x02
1994 #define IEEE80211_HE_MAC_CAP0_TWT_RES				0x04
1995 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP		0x00
1996 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1		0x08
1997 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2		0x10
1998 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3		0x18
1999 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK			0x18
2000 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1		0x00
2001 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2		0x20
2002 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4		0x40
2003 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8		0x60
2004 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16		0x80
2005 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32		0xa0
2006 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64		0xc0
2007 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED	0xe0
2008 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK		0xe0
2009 
2010 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED		0x00
2011 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128			0x01
2012 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256			0x02
2013 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512			0x03
2014 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK		0x03
2015 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US		0x00
2016 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US		0x04
2017 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US		0x08
2018 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK		0x0c
2019 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1		0x00
2020 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2		0x10
2021 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3		0x20
2022 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4		0x30
2023 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5		0x40
2024 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6		0x50
2025 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7		0x60
2026 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8		0x70
2027 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK		0x70
2028 
2029 /* Link adaptation is split between byte HE_MAC_CAP1 and
2030  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2031  * in which case the following values apply:
2032  * 0 = No feedback.
2033  * 1 = reserved.
2034  * 2 = Unsolicited feedback.
2035  * 3 = both
2036  */
2037 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION			0x80
2038 
2039 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION			0x01
2040 #define IEEE80211_HE_MAC_CAP2_ALL_ACK				0x02
2041 #define IEEE80211_HE_MAC_CAP2_TRS				0x04
2042 #define IEEE80211_HE_MAC_CAP2_BSR				0x08
2043 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT				0x10
2044 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP			0x20
2045 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING			0x40
2046 #define IEEE80211_HE_MAC_CAP2_ACK_EN				0x80
2047 
2048 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL			0x02
2049 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA				0x04
2050 
2051 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2052  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2053  * same field in the HE capabilities.
2054  */
2055 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0		0x00
2056 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1		0x08
2057 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2		0x10
2058 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3		0x18
2059 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK		0x18
2060 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG			0x20
2061 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED			0x40
2062 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS		0x80
2063 
2064 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG		0x01
2065 #define IEEE80211_HE_MAC_CAP4_QTP				0x02
2066 #define IEEE80211_HE_MAC_CAP4_BQR				0x04
2067 #define IEEE80211_HE_MAC_CAP4_PSR_RESP				0x08
2068 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP			0x10
2069 #define IEEE80211_HE_MAC_CAP4_OPS				0x20
2070 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU			0x40
2071 /* Multi TID agg TX is split between byte #4 and #5
2072  * The value is a combination of B39,B40,B41
2073  */
2074 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39		0x80
2075 
2076 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40		0x01
2077 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41		0x02
2078 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION	0x04
2079 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU			0x08
2080 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX		0x10
2081 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS			0x20
2082 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING		0x40
2083 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX		0x80
2084 
2085 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR	20
2086 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR	16
2087 
2088 /* 802.11ax HE PHY capabilities */
2089 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G		0x02
2090 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G	0x04
2091 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G		0x08
2092 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G	0x10
2093 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G	0x20
2094 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G	0x40
2095 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK			0xfe
2096 
2097 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ	0x01
2098 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ	0x02
2099 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ	0x04
2100 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ	0x08
2101 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK			0x0f
2102 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A				0x10
2103 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD			0x20
2104 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US		0x40
2105 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2106 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS			0x80
2107 
2108 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS			0x01
2109 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US			0x02
2110 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ			0x04
2111 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ			0x08
2112 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX				0x10
2113 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX				0x20
2114 
2115 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2116  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2117  * case it indicates support for Tx.
2118  */
2119 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO			0x40
2120 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO			0x80
2121 
2122 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM			0x00
2123 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK			0x01
2124 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK			0x02
2125 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM			0x03
2126 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK			0x03
2127 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1				0x00
2128 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2				0x04
2129 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM			0x00
2130 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK			0x08
2131 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK			0x10
2132 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM			0x18
2133 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK			0x18
2134 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1				0x00
2135 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2				0x20
2136 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU		0x40
2137 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER				0x80
2138 
2139 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE				0x01
2140 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER				0x02
2141 
2142 /* Minimal allowed value of Max STS under 80MHz is 3 */
2143 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4		0x0c
2144 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5		0x10
2145 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6		0x14
2146 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7		0x18
2147 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8		0x1c
2148 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK	0x1c
2149 
2150 /* Minimal allowed value of Max STS above 80MHz is 3 */
2151 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4		0x60
2152 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5		0x80
2153 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6		0xa0
2154 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7		0xc0
2155 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8		0xe0
2156 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK	0xe0
2157 
2158 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1	0x00
2159 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2	0x01
2160 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3	0x02
2161 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4	0x03
2162 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5	0x04
2163 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6	0x05
2164 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7	0x06
2165 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8	0x07
2166 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK	0x07
2167 
2168 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1	0x00
2169 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2	0x08
2170 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3	0x10
2171 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4	0x18
2172 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5	0x20
2173 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6	0x28
2174 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7	0x30
2175 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8	0x38
2176 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK	0x38
2177 
2178 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK				0x40
2179 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK				0x80
2180 
2181 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU			0x01
2182 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU			0x02
2183 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB			0x04
2184 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB		0x08
2185 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB				0x10
2186 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE			0x20
2187 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO		0x40
2188 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT			0x80
2189 
2190 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR				0x01
2191 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP			0x02
2192 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI		0x04
2193 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1					0x08
2194 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2					0x10
2195 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3					0x18
2196 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4					0x20
2197 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5					0x28
2198 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6					0x30
2199 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7					0x38
2200 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK				0x38
2201 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ			0x40
2202 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ			0x80
2203 
2204 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI		0x01
2205 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G		0x02
2206 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU			0x04
2207 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU			0x08
2208 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI		0x10
2209 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF		0x20
2210 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242				0x00
2211 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484				0x40
2212 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996				0x80
2213 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996				0xc0
2214 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK				0xc0
2215 
2216 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM		0x01
2217 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK		0x02
2218 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU		0x04
2219 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU		0x08
2220 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB	0x10
2221 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB	0x20
2222 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US			0x00
2223 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US			0x40
2224 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US			0x80
2225 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED		0xc0
2226 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK			0xc0
2227 
2228 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF			0x01
2229 
2230 /* 802.11ax HE TX/RX MCS NSS Support  */
2231 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS			(3)
2232 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS			(6)
2233 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS			(11)
2234 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK			0x07c0
2235 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK			0xf800
2236 
2237 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2238 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2239 	HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2240 	HIGHEST_MCS_SUPPORTED_MCS8,
2241 	HIGHEST_MCS_SUPPORTED_MCS9,
2242 	HIGHEST_MCS_SUPPORTED_MCS10,
2243 	HIGHEST_MCS_SUPPORTED_MCS11,
2244 };
2245 
2246 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2247 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2248 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2249 {
2250 	u8 count = 4;
2251 
2252 	if (he_cap->phy_cap_info[0] &
2253 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2254 		count += 4;
2255 
2256 	if (he_cap->phy_cap_info[0] &
2257 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2258 		count += 4;
2259 
2260 	return count;
2261 }
2262 
2263 /* 802.11ax HE PPE Thresholds */
2264 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS			(1)
2265 #define IEEE80211_PPE_THRES_NSS_POS				(0)
2266 #define IEEE80211_PPE_THRES_NSS_MASK				(7)
2267 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU	\
2268 	(BIT(5) | BIT(6))
2269 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK		0x78
2270 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS		(3)
2271 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE			(3)
2272 
2273 /*
2274  * Calculate 802.11ax HE capabilities IE PPE field size
2275  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2276  */
2277 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2278 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2279 {
2280 	u8 n;
2281 
2282 	if ((phy_cap_info[6] &
2283 	     IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2284 		return 0;
2285 
2286 	n = hweight8(ppe_thres_hdr &
2287 		     IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2288 	n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2289 		   IEEE80211_PPE_THRES_NSS_POS));
2290 
2291 	/*
2292 	 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2293 	 * total size.
2294 	 */
2295 	n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2296 	n = DIV_ROUND_UP(n, 8);
2297 
2298 	return n;
2299 }
2300 
2301 /* HE Operation defines */
2302 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK		0x00000007
2303 #define IEEE80211_HE_OPERATION_TWT_REQUIRED			0x00000008
2304 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK		0x00003ff0
2305 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET		4
2306 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO			0x00004000
2307 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS			0x00008000
2308 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE			0x00010000
2309 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO			0x00020000
2310 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK			0x3f000000
2311 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET			24
2312 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR		0x40000000
2313 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED		0x80000000
2314 
2315 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP	0
2316 #define IEEE80211_6GHZ_CTRL_REG_SP_AP	1
2317 
2318 /**
2319  * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2320  * @primary: primary channel
2321  * @control: control flags
2322  * @ccfs0: channel center frequency segment 0
2323  * @ccfs1: channel center frequency segment 1
2324  * @minrate: minimum rate (in 1 Mbps units)
2325  */
2326 struct ieee80211_he_6ghz_oper {
2327 	u8 primary;
2328 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH	0x3
2329 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ	0
2330 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ	1
2331 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ	2
2332 #define		IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ	3
2333 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON	0x4
2334 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO	0x38
2335 	u8 control;
2336 	u8 ccfs0;
2337 	u8 ccfs1;
2338 	u8 minrate;
2339 } __packed;
2340 
2341 /*
2342  * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2343  * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2344  * subfield encoding", and two category for each type in "Table E-12-Regulatory
2345  * Info subfield encoding in the United States".
2346  * So it it totally max 8 Transmit Power Envelope element.
2347  */
2348 #define IEEE80211_TPE_MAX_IE_COUNT	8
2349 /*
2350  * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2351  * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2352  */
2353 #define IEEE80211_MAX_NUM_PWR_LEVEL	8
2354 
2355 #define IEEE80211_TPE_MAX_POWER_COUNT	8
2356 
2357 /* transmit power interpretation type of transmit power envelope element */
2358 enum ieee80211_tx_power_intrpt_type {
2359 	IEEE80211_TPE_LOCAL_EIRP,
2360 	IEEE80211_TPE_LOCAL_EIRP_PSD,
2361 	IEEE80211_TPE_REG_CLIENT_EIRP,
2362 	IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2363 };
2364 
2365 /**
2366  * struct ieee80211_tx_pwr_env
2367  *
2368  * This structure represents the "Transmit Power Envelope element"
2369  */
2370 struct ieee80211_tx_pwr_env {
2371 	u8 tx_power_info;
2372 	s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2373 } __packed;
2374 
2375 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2376 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2377 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2378 
2379 /*
2380  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2381  * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2382  *	after the ext ID byte. It is assumed that he_oper_ie has at least
2383  *	sizeof(struct ieee80211_he_operation) bytes, the caller must have
2384  *	validated this.
2385  * @return the actual size of the IE data (not including header), or 0 on error
2386  */
2387 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2388 ieee80211_he_oper_size(const u8 *he_oper_ie)
2389 {
2390 	struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2391 	u8 oper_len = sizeof(struct ieee80211_he_operation);
2392 	u32 he_oper_params;
2393 
2394 	/* Make sure the input is not NULL */
2395 	if (!he_oper_ie)
2396 		return 0;
2397 
2398 	/* Calc required length */
2399 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2400 	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2401 		oper_len += 3;
2402 	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2403 		oper_len++;
2404 	if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2405 		oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2406 
2407 	/* Add the first byte (extension ID) to the total length */
2408 	oper_len++;
2409 
2410 	return oper_len;
2411 }
2412 
2413 /**
2414  * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2415  * @he_oper: HE operation element (must be pre-validated for size)
2416  *	but may be %NULL
2417  *
2418  * Return: a pointer to the 6 GHz operation field, or %NULL
2419  */
2420 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2421 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2422 {
2423 	const u8 *ret = (void *)&he_oper->optional;
2424 	u32 he_oper_params;
2425 
2426 	if (!he_oper)
2427 		return NULL;
2428 
2429 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2430 
2431 	if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2432 		return NULL;
2433 	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2434 		ret += 3;
2435 	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2436 		ret++;
2437 
2438 	return (void *)ret;
2439 }
2440 
2441 /* HE Spatial Reuse defines */
2442 #define IEEE80211_HE_SPR_PSR_DISALLOWED				BIT(0)
2443 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED		BIT(1)
2444 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT			BIT(2)
2445 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT		BIT(3)
2446 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED		BIT(4)
2447 
2448 /*
2449  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2450  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2451  *	after the ext ID byte. It is assumed that he_spr_ie has at least
2452  *	sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2453  *	this
2454  * @return the actual size of the IE data (not including header), or 0 on error
2455  */
2456 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2457 ieee80211_he_spr_size(const u8 *he_spr_ie)
2458 {
2459 	struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2460 	u8 spr_len = sizeof(struct ieee80211_he_spr);
2461 	u8 he_spr_params;
2462 
2463 	/* Make sure the input is not NULL */
2464 	if (!he_spr_ie)
2465 		return 0;
2466 
2467 	/* Calc required length */
2468 	he_spr_params = he_spr->he_sr_control;
2469 	if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2470 		spr_len++;
2471 	if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2472 		spr_len += 18;
2473 
2474 	/* Add the first byte (extension ID) to the total length */
2475 	spr_len++;
2476 
2477 	return spr_len;
2478 }
2479 
2480 /* S1G Capabilities Information field */
2481 #define IEEE80211_S1G_CAPABILITY_LEN	15
2482 
2483 #define S1G_CAP0_S1G_LONG	BIT(0)
2484 #define S1G_CAP0_SGI_1MHZ	BIT(1)
2485 #define S1G_CAP0_SGI_2MHZ	BIT(2)
2486 #define S1G_CAP0_SGI_4MHZ	BIT(3)
2487 #define S1G_CAP0_SGI_8MHZ	BIT(4)
2488 #define S1G_CAP0_SGI_16MHZ	BIT(5)
2489 #define S1G_CAP0_SUPP_CH_WIDTH	GENMASK(7, 6)
2490 
2491 #define S1G_SUPP_CH_WIDTH_2	0
2492 #define S1G_SUPP_CH_WIDTH_4	1
2493 #define S1G_SUPP_CH_WIDTH_8	2
2494 #define S1G_SUPP_CH_WIDTH_16	3
2495 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2496 						    cap[0])) << 1)
2497 
2498 #define S1G_CAP1_RX_LDPC	BIT(0)
2499 #define S1G_CAP1_TX_STBC	BIT(1)
2500 #define S1G_CAP1_RX_STBC	BIT(2)
2501 #define S1G_CAP1_SU_BFER	BIT(3)
2502 #define S1G_CAP1_SU_BFEE	BIT(4)
2503 #define S1G_CAP1_BFEE_STS	GENMASK(7, 5)
2504 
2505 #define S1G_CAP2_SOUNDING_DIMENSIONS	GENMASK(2, 0)
2506 #define S1G_CAP2_MU_BFER		BIT(3)
2507 #define S1G_CAP2_MU_BFEE		BIT(4)
2508 #define S1G_CAP2_PLUS_HTC_VHT		BIT(5)
2509 #define S1G_CAP2_TRAVELING_PILOT	GENMASK(7, 6)
2510 
2511 #define S1G_CAP3_RD_RESPONDER		BIT(0)
2512 #define S1G_CAP3_HT_DELAYED_BA		BIT(1)
2513 #define S1G_CAP3_MAX_MPDU_LEN		BIT(2)
2514 #define S1G_CAP3_MAX_AMPDU_LEN_EXP	GENMASK(4, 3)
2515 #define S1G_CAP3_MIN_MPDU_START		GENMASK(7, 5)
2516 
2517 #define S1G_CAP4_UPLINK_SYNC	BIT(0)
2518 #define S1G_CAP4_DYNAMIC_AID	BIT(1)
2519 #define S1G_CAP4_BAT		BIT(2)
2520 #define S1G_CAP4_TIME_ADE	BIT(3)
2521 #define S1G_CAP4_NON_TIM	BIT(4)
2522 #define S1G_CAP4_GROUP_AID	BIT(5)
2523 #define S1G_CAP4_STA_TYPE	GENMASK(7, 6)
2524 
2525 #define S1G_CAP5_CENT_AUTH_CONTROL	BIT(0)
2526 #define S1G_CAP5_DIST_AUTH_CONTROL	BIT(1)
2527 #define S1G_CAP5_AMSDU			BIT(2)
2528 #define S1G_CAP5_AMPDU			BIT(3)
2529 #define S1G_CAP5_ASYMMETRIC_BA		BIT(4)
2530 #define S1G_CAP5_FLOW_CONTROL		BIT(5)
2531 #define S1G_CAP5_SECTORIZED_BEAM	GENMASK(7, 6)
2532 
2533 #define S1G_CAP6_OBSS_MITIGATION	BIT(0)
2534 #define S1G_CAP6_FRAGMENT_BA		BIT(1)
2535 #define S1G_CAP6_NDP_PS_POLL		BIT(2)
2536 #define S1G_CAP6_RAW_OPERATION		BIT(3)
2537 #define S1G_CAP6_PAGE_SLICING		BIT(4)
2538 #define S1G_CAP6_TXOP_SHARING_IMP_ACK	BIT(5)
2539 #define S1G_CAP6_VHT_LINK_ADAPT		GENMASK(7, 6)
2540 
2541 #define S1G_CAP7_TACK_AS_PS_POLL		BIT(0)
2542 #define S1G_CAP7_DUP_1MHZ			BIT(1)
2543 #define S1G_CAP7_MCS_NEGOTIATION		BIT(2)
2544 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE	BIT(3)
2545 #define S1G_CAP7_NDP_BFING_REPORT_POLL		BIT(4)
2546 #define S1G_CAP7_UNSOLICITED_DYN_AID		BIT(5)
2547 #define S1G_CAP7_SECTOR_TRAINING_OPERATION	BIT(6)
2548 #define S1G_CAP7_TEMP_PS_MODE_SWITCH		BIT(7)
2549 
2550 #define S1G_CAP8_TWT_GROUPING	BIT(0)
2551 #define S1G_CAP8_BDT		BIT(1)
2552 #define S1G_CAP8_COLOR		GENMASK(4, 2)
2553 #define S1G_CAP8_TWT_REQUEST	BIT(5)
2554 #define S1G_CAP8_TWT_RESPOND	BIT(6)
2555 #define S1G_CAP8_PV1_FRAME	BIT(7)
2556 
2557 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2558 
2559 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ	BIT(0)
2560 #define S1G_OPER_CH_WIDTH_OPER		GENMASK(4, 1)
2561 
2562 
2563 #define LISTEN_INT_USF	GENMASK(15, 14)
2564 #define LISTEN_INT_UI	GENMASK(13, 0)
2565 
2566 #define IEEE80211_MAX_USF	FIELD_MAX(LISTEN_INT_USF)
2567 #define IEEE80211_MAX_UI	FIELD_MAX(LISTEN_INT_UI)
2568 
2569 /* Authentication algorithms */
2570 #define WLAN_AUTH_OPEN 0
2571 #define WLAN_AUTH_SHARED_KEY 1
2572 #define WLAN_AUTH_FT 2
2573 #define WLAN_AUTH_SAE 3
2574 #define WLAN_AUTH_FILS_SK 4
2575 #define WLAN_AUTH_FILS_SK_PFS 5
2576 #define WLAN_AUTH_FILS_PK 6
2577 #define WLAN_AUTH_LEAP 128
2578 
2579 #define WLAN_AUTH_CHALLENGE_LEN 128
2580 
2581 #define WLAN_CAPABILITY_ESS		(1<<0)
2582 #define WLAN_CAPABILITY_IBSS		(1<<1)
2583 
2584 /*
2585  * A mesh STA sets the ESS and IBSS capability bits to zero.
2586  * however, this holds true for p2p probe responses (in the p2p_find
2587  * phase) as well.
2588  */
2589 #define WLAN_CAPABILITY_IS_STA_BSS(cap)	\
2590 	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2591 
2592 #define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)
2593 #define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)
2594 #define WLAN_CAPABILITY_PRIVACY		(1<<4)
2595 #define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)
2596 #define WLAN_CAPABILITY_PBCC		(1<<6)
2597 #define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)
2598 
2599 /* 802.11h */
2600 #define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
2601 #define WLAN_CAPABILITY_QOS		(1<<9)
2602 #define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
2603 #define WLAN_CAPABILITY_APSD		(1<<11)
2604 #define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
2605 #define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
2606 #define WLAN_CAPABILITY_DEL_BACK	(1<<14)
2607 #define WLAN_CAPABILITY_IMM_BACK	(1<<15)
2608 
2609 /* DMG (60gHz) 802.11ad */
2610 /* type - bits 0..1 */
2611 #define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
2612 #define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
2613 #define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
2614 #define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */
2615 
2616 #define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
2617 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
2618 #define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
2619 #define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)
2620 
2621 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT	(1<<8)
2622 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE	(1<<12)
2623 
2624 /* measurement */
2625 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE	(1<<0)
2626 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE	(1<<1)
2627 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED	(1<<2)
2628 
2629 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC	0
2630 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA	1
2631 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI	2
2632 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI	8
2633 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC	11
2634 
2635 /* 802.11g ERP information element */
2636 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2637 #define WLAN_ERP_USE_PROTECTION (1<<1)
2638 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2639 
2640 /* WLAN_ERP_BARKER_PREAMBLE values */
2641 enum {
2642 	WLAN_ERP_PREAMBLE_SHORT = 0,
2643 	WLAN_ERP_PREAMBLE_LONG = 1,
2644 };
2645 
2646 /* Band ID, 802.11ad #8.4.1.45 */
2647 enum {
2648 	IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2649 	IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2650 	IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2651 	IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2652 	IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2653 	IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2654 };
2655 
2656 /* Status codes */
2657 enum ieee80211_statuscode {
2658 	WLAN_STATUS_SUCCESS = 0,
2659 	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2660 	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2661 	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2662 	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2663 	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2664 	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2665 	WLAN_STATUS_CHALLENGE_FAIL = 15,
2666 	WLAN_STATUS_AUTH_TIMEOUT = 16,
2667 	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2668 	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2669 	/* 802.11b */
2670 	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2671 	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2672 	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2673 	/* 802.11h */
2674 	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2675 	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2676 	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2677 	/* 802.11g */
2678 	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2679 	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2680 	/* 802.11w */
2681 	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2682 	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2683 	/* 802.11i */
2684 	WLAN_STATUS_INVALID_IE = 40,
2685 	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2686 	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2687 	WLAN_STATUS_INVALID_AKMP = 43,
2688 	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2689 	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2690 	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2691 	/* 802.11e */
2692 	WLAN_STATUS_UNSPECIFIED_QOS = 32,
2693 	WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2694 	WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2695 	WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2696 	WLAN_STATUS_REQUEST_DECLINED = 37,
2697 	WLAN_STATUS_INVALID_QOS_PARAM = 38,
2698 	WLAN_STATUS_CHANGE_TSPEC = 39,
2699 	WLAN_STATUS_WAIT_TS_DELAY = 47,
2700 	WLAN_STATUS_NO_DIRECT_LINK = 48,
2701 	WLAN_STATUS_STA_NOT_PRESENT = 49,
2702 	WLAN_STATUS_STA_NOT_QSTA = 50,
2703 	/* 802.11s */
2704 	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2705 	WLAN_STATUS_FCG_NOT_SUPP = 78,
2706 	WLAN_STATUS_STA_NO_TBTT = 78,
2707 	/* 802.11ad */
2708 	WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2709 	WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2710 	WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2711 	WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2712 	WLAN_STATUS_PERFORMING_FST_NOW = 87,
2713 	WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2714 	WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2715 	WLAN_STATUS_REJECT_DSE_BAND = 96,
2716 	WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2717 	WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2718 	/* 802.11ai */
2719 	WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2720 	WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2721 	WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
2722 	WLAN_STATUS_SAE_PK = 127,
2723 };
2724 
2725 
2726 /* Reason codes */
2727 enum ieee80211_reasoncode {
2728 	WLAN_REASON_UNSPECIFIED = 1,
2729 	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2730 	WLAN_REASON_DEAUTH_LEAVING = 3,
2731 	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2732 	WLAN_REASON_DISASSOC_AP_BUSY = 5,
2733 	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2734 	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2735 	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2736 	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2737 	/* 802.11h */
2738 	WLAN_REASON_DISASSOC_BAD_POWER = 10,
2739 	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2740 	/* 802.11i */
2741 	WLAN_REASON_INVALID_IE = 13,
2742 	WLAN_REASON_MIC_FAILURE = 14,
2743 	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2744 	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2745 	WLAN_REASON_IE_DIFFERENT = 17,
2746 	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2747 	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2748 	WLAN_REASON_INVALID_AKMP = 20,
2749 	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2750 	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2751 	WLAN_REASON_IEEE8021X_FAILED = 23,
2752 	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2753 	/* TDLS (802.11z) */
2754 	WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2755 	WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2756 	/* 802.11e */
2757 	WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2758 	WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2759 	WLAN_REASON_DISASSOC_LOW_ACK = 34,
2760 	WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2761 	WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2762 	WLAN_REASON_QSTA_NOT_USE = 37,
2763 	WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2764 	WLAN_REASON_QSTA_TIMEOUT = 39,
2765 	WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2766 	/* 802.11s */
2767 	WLAN_REASON_MESH_PEER_CANCELED = 52,
2768 	WLAN_REASON_MESH_MAX_PEERS = 53,
2769 	WLAN_REASON_MESH_CONFIG = 54,
2770 	WLAN_REASON_MESH_CLOSE = 55,
2771 	WLAN_REASON_MESH_MAX_RETRIES = 56,
2772 	WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2773 	WLAN_REASON_MESH_INVALID_GTK = 58,
2774 	WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2775 	WLAN_REASON_MESH_INVALID_SECURITY = 60,
2776 	WLAN_REASON_MESH_PATH_ERROR = 61,
2777 	WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2778 	WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2779 	WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2780 	WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2781 	WLAN_REASON_MESH_CHAN = 66,
2782 };
2783 
2784 
2785 /* Information Element IDs */
2786 enum ieee80211_eid {
2787 	WLAN_EID_SSID = 0,
2788 	WLAN_EID_SUPP_RATES = 1,
2789 	WLAN_EID_FH_PARAMS = 2, /* reserved now */
2790 	WLAN_EID_DS_PARAMS = 3,
2791 	WLAN_EID_CF_PARAMS = 4,
2792 	WLAN_EID_TIM = 5,
2793 	WLAN_EID_IBSS_PARAMS = 6,
2794 	WLAN_EID_COUNTRY = 7,
2795 	/* 8, 9 reserved */
2796 	WLAN_EID_REQUEST = 10,
2797 	WLAN_EID_QBSS_LOAD = 11,
2798 	WLAN_EID_EDCA_PARAM_SET = 12,
2799 	WLAN_EID_TSPEC = 13,
2800 	WLAN_EID_TCLAS = 14,
2801 	WLAN_EID_SCHEDULE = 15,
2802 	WLAN_EID_CHALLENGE = 16,
2803 	/* 17-31 reserved for challenge text extension */
2804 	WLAN_EID_PWR_CONSTRAINT = 32,
2805 	WLAN_EID_PWR_CAPABILITY = 33,
2806 	WLAN_EID_TPC_REQUEST = 34,
2807 	WLAN_EID_TPC_REPORT = 35,
2808 	WLAN_EID_SUPPORTED_CHANNELS = 36,
2809 	WLAN_EID_CHANNEL_SWITCH = 37,
2810 	WLAN_EID_MEASURE_REQUEST = 38,
2811 	WLAN_EID_MEASURE_REPORT = 39,
2812 	WLAN_EID_QUIET = 40,
2813 	WLAN_EID_IBSS_DFS = 41,
2814 	WLAN_EID_ERP_INFO = 42,
2815 	WLAN_EID_TS_DELAY = 43,
2816 	WLAN_EID_TCLAS_PROCESSING = 44,
2817 	WLAN_EID_HT_CAPABILITY = 45,
2818 	WLAN_EID_QOS_CAPA = 46,
2819 	/* 47 reserved for Broadcom */
2820 	WLAN_EID_RSN = 48,
2821 	WLAN_EID_802_15_COEX = 49,
2822 	WLAN_EID_EXT_SUPP_RATES = 50,
2823 	WLAN_EID_AP_CHAN_REPORT = 51,
2824 	WLAN_EID_NEIGHBOR_REPORT = 52,
2825 	WLAN_EID_RCPI = 53,
2826 	WLAN_EID_MOBILITY_DOMAIN = 54,
2827 	WLAN_EID_FAST_BSS_TRANSITION = 55,
2828 	WLAN_EID_TIMEOUT_INTERVAL = 56,
2829 	WLAN_EID_RIC_DATA = 57,
2830 	WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2831 	WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2832 	WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2833 	WLAN_EID_HT_OPERATION = 61,
2834 	WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2835 	WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2836 	WLAN_EID_ANTENNA_INFO = 64,
2837 	WLAN_EID_RSNI = 65,
2838 	WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2839 	WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2840 	WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2841 	WLAN_EID_TIME_ADVERTISEMENT = 69,
2842 	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2843 	WLAN_EID_MULTIPLE_BSSID = 71,
2844 	WLAN_EID_BSS_COEX_2040 = 72,
2845 	WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2846 	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2847 	WLAN_EID_RIC_DESCRIPTOR = 75,
2848 	WLAN_EID_MMIE = 76,
2849 	WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2850 	WLAN_EID_EVENT_REQUEST = 78,
2851 	WLAN_EID_EVENT_REPORT = 79,
2852 	WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2853 	WLAN_EID_DIAGNOSTIC_REPORT = 81,
2854 	WLAN_EID_LOCATION_PARAMS = 82,
2855 	WLAN_EID_NON_TX_BSSID_CAP =  83,
2856 	WLAN_EID_SSID_LIST = 84,
2857 	WLAN_EID_MULTI_BSSID_IDX = 85,
2858 	WLAN_EID_FMS_DESCRIPTOR = 86,
2859 	WLAN_EID_FMS_REQUEST = 87,
2860 	WLAN_EID_FMS_RESPONSE = 88,
2861 	WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2862 	WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2863 	WLAN_EID_TSF_REQUEST = 91,
2864 	WLAN_EID_TSF_RESPOSNE = 92,
2865 	WLAN_EID_WNM_SLEEP_MODE = 93,
2866 	WLAN_EID_TIM_BCAST_REQ = 94,
2867 	WLAN_EID_TIM_BCAST_RESP = 95,
2868 	WLAN_EID_COLL_IF_REPORT = 96,
2869 	WLAN_EID_CHANNEL_USAGE = 97,
2870 	WLAN_EID_TIME_ZONE = 98,
2871 	WLAN_EID_DMS_REQUEST = 99,
2872 	WLAN_EID_DMS_RESPONSE = 100,
2873 	WLAN_EID_LINK_ID = 101,
2874 	WLAN_EID_WAKEUP_SCHEDUL = 102,
2875 	/* 103 reserved */
2876 	WLAN_EID_CHAN_SWITCH_TIMING = 104,
2877 	WLAN_EID_PTI_CONTROL = 105,
2878 	WLAN_EID_PU_BUFFER_STATUS = 106,
2879 	WLAN_EID_INTERWORKING = 107,
2880 	WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2881 	WLAN_EID_EXPEDITED_BW_REQ = 109,
2882 	WLAN_EID_QOS_MAP_SET = 110,
2883 	WLAN_EID_ROAMING_CONSORTIUM = 111,
2884 	WLAN_EID_EMERGENCY_ALERT = 112,
2885 	WLAN_EID_MESH_CONFIG = 113,
2886 	WLAN_EID_MESH_ID = 114,
2887 	WLAN_EID_LINK_METRIC_REPORT = 115,
2888 	WLAN_EID_CONGESTION_NOTIFICATION = 116,
2889 	WLAN_EID_PEER_MGMT = 117,
2890 	WLAN_EID_CHAN_SWITCH_PARAM = 118,
2891 	WLAN_EID_MESH_AWAKE_WINDOW = 119,
2892 	WLAN_EID_BEACON_TIMING = 120,
2893 	WLAN_EID_MCCAOP_SETUP_REQ = 121,
2894 	WLAN_EID_MCCAOP_SETUP_RESP = 122,
2895 	WLAN_EID_MCCAOP_ADVERT = 123,
2896 	WLAN_EID_MCCAOP_TEARDOWN = 124,
2897 	WLAN_EID_GANN = 125,
2898 	WLAN_EID_RANN = 126,
2899 	WLAN_EID_EXT_CAPABILITY = 127,
2900 	/* 128, 129 reserved for Agere */
2901 	WLAN_EID_PREQ = 130,
2902 	WLAN_EID_PREP = 131,
2903 	WLAN_EID_PERR = 132,
2904 	/* 133-136 reserved for Cisco */
2905 	WLAN_EID_PXU = 137,
2906 	WLAN_EID_PXUC = 138,
2907 	WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2908 	WLAN_EID_MIC = 140,
2909 	WLAN_EID_DESTINATION_URI = 141,
2910 	WLAN_EID_UAPSD_COEX = 142,
2911 	WLAN_EID_WAKEUP_SCHEDULE = 143,
2912 	WLAN_EID_EXT_SCHEDULE = 144,
2913 	WLAN_EID_STA_AVAILABILITY = 145,
2914 	WLAN_EID_DMG_TSPEC = 146,
2915 	WLAN_EID_DMG_AT = 147,
2916 	WLAN_EID_DMG_CAP = 148,
2917 	/* 149 reserved for Cisco */
2918 	WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2919 	WLAN_EID_DMG_OPERATION = 151,
2920 	WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2921 	WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2922 	WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2923 	/* 155-156 reserved for Cisco */
2924 	WLAN_EID_AWAKE_WINDOW = 157,
2925 	WLAN_EID_MULTI_BAND = 158,
2926 	WLAN_EID_ADDBA_EXT = 159,
2927 	WLAN_EID_NEXT_PCP_LIST = 160,
2928 	WLAN_EID_PCP_HANDOVER = 161,
2929 	WLAN_EID_DMG_LINK_MARGIN = 162,
2930 	WLAN_EID_SWITCHING_STREAM = 163,
2931 	WLAN_EID_SESSION_TRANSITION = 164,
2932 	WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2933 	WLAN_EID_CLUSTER_REPORT = 166,
2934 	WLAN_EID_RELAY_CAP = 167,
2935 	WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2936 	WLAN_EID_BEAM_LINK_MAINT = 169,
2937 	WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2938 	WLAN_EID_U_PID = 171,
2939 	WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2940 	/* 173 reserved for Symbol */
2941 	WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2942 	WLAN_EID_QUIET_PERIOD_REQ = 175,
2943 	/* 176 reserved for Symbol */
2944 	WLAN_EID_QUIET_PERIOD_RESP = 177,
2945 	/* 178-179 reserved for Symbol */
2946 	/* 180 reserved for ISO/IEC 20011 */
2947 	WLAN_EID_EPAC_POLICY = 182,
2948 	WLAN_EID_CLISTER_TIME_OFF = 183,
2949 	WLAN_EID_INTER_AC_PRIO = 184,
2950 	WLAN_EID_SCS_DESCRIPTOR = 185,
2951 	WLAN_EID_QLOAD_REPORT = 186,
2952 	WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2953 	WLAN_EID_HL_STREAM_ID = 188,
2954 	WLAN_EID_GCR_GROUP_ADDR = 189,
2955 	WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2956 	WLAN_EID_VHT_CAPABILITY = 191,
2957 	WLAN_EID_VHT_OPERATION = 192,
2958 	WLAN_EID_EXTENDED_BSS_LOAD = 193,
2959 	WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2960 	WLAN_EID_TX_POWER_ENVELOPE = 195,
2961 	WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2962 	WLAN_EID_AID = 197,
2963 	WLAN_EID_QUIET_CHANNEL = 198,
2964 	WLAN_EID_OPMODE_NOTIF = 199,
2965 
2966 	WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
2967 
2968 	WLAN_EID_AID_REQUEST = 210,
2969 	WLAN_EID_AID_RESPONSE = 211,
2970 	WLAN_EID_S1G_BCN_COMPAT = 213,
2971 	WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
2972 	WLAN_EID_S1G_TWT = 216,
2973 	WLAN_EID_S1G_CAPABILITIES = 217,
2974 	WLAN_EID_VENDOR_SPECIFIC = 221,
2975 	WLAN_EID_QOS_PARAMETER = 222,
2976 	WLAN_EID_S1G_OPERATION = 232,
2977 	WLAN_EID_CAG_NUMBER = 237,
2978 	WLAN_EID_AP_CSN = 239,
2979 	WLAN_EID_FILS_INDICATION = 240,
2980 	WLAN_EID_DILS = 241,
2981 	WLAN_EID_FRAGMENT = 242,
2982 	WLAN_EID_RSNX = 244,
2983 	WLAN_EID_EXTENSION = 255
2984 };
2985 
2986 /* Element ID Extensions for Element ID 255 */
2987 enum ieee80211_eid_ext {
2988 	WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2989 	WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2990 	WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2991 	WLAN_EID_EXT_FILS_SESSION = 4,
2992 	WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2993 	WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2994 	WLAN_EID_EXT_KEY_DELIVERY = 7,
2995 	WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2996 	WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2997 	WLAN_EID_EXT_FILS_NONCE = 13,
2998 	WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2999 	WLAN_EID_EXT_HE_CAPABILITY = 35,
3000 	WLAN_EID_EXT_HE_OPERATION = 36,
3001 	WLAN_EID_EXT_UORA = 37,
3002 	WLAN_EID_EXT_HE_MU_EDCA = 38,
3003 	WLAN_EID_EXT_HE_SPR = 39,
3004 	WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3005 	WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3006 	WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3007 	WLAN_EID_EXT_ESS_REPORT = 45,
3008 	WLAN_EID_EXT_OPS = 46,
3009 	WLAN_EID_EXT_HE_BSS_LOAD = 47,
3010 	WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3011 	WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3012 	WLAN_EID_EXT_NON_INHERITANCE = 56,
3013 	WLAN_EID_EXT_KNOWN_BSSID = 57,
3014 	WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3015 	WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3016 	WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3017 };
3018 
3019 /* Action category code */
3020 enum ieee80211_category {
3021 	WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3022 	WLAN_CATEGORY_QOS = 1,
3023 	WLAN_CATEGORY_DLS = 2,
3024 	WLAN_CATEGORY_BACK = 3,
3025 	WLAN_CATEGORY_PUBLIC = 4,
3026 	WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3027 	WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3028 	WLAN_CATEGORY_HT = 7,
3029 	WLAN_CATEGORY_SA_QUERY = 8,
3030 	WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3031 	WLAN_CATEGORY_WNM = 10,
3032 	WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3033 	WLAN_CATEGORY_TDLS = 12,
3034 	WLAN_CATEGORY_MESH_ACTION = 13,
3035 	WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3036 	WLAN_CATEGORY_SELF_PROTECTED = 15,
3037 	WLAN_CATEGORY_DMG = 16,
3038 	WLAN_CATEGORY_WMM = 17,
3039 	WLAN_CATEGORY_FST = 18,
3040 	WLAN_CATEGORY_UNPROT_DMG = 20,
3041 	WLAN_CATEGORY_VHT = 21,
3042 	WLAN_CATEGORY_S1G = 22,
3043 	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3044 	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3045 };
3046 
3047 /* SPECTRUM_MGMT action code */
3048 enum ieee80211_spectrum_mgmt_actioncode {
3049 	WLAN_ACTION_SPCT_MSR_REQ = 0,
3050 	WLAN_ACTION_SPCT_MSR_RPRT = 1,
3051 	WLAN_ACTION_SPCT_TPC_REQ = 2,
3052 	WLAN_ACTION_SPCT_TPC_RPRT = 3,
3053 	WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3054 };
3055 
3056 /* HT action codes */
3057 enum ieee80211_ht_actioncode {
3058 	WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3059 	WLAN_HT_ACTION_SMPS = 1,
3060 	WLAN_HT_ACTION_PSMP = 2,
3061 	WLAN_HT_ACTION_PCO_PHASE = 3,
3062 	WLAN_HT_ACTION_CSI = 4,
3063 	WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3064 	WLAN_HT_ACTION_COMPRESSED_BF = 6,
3065 	WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3066 };
3067 
3068 /* VHT action codes */
3069 enum ieee80211_vht_actioncode {
3070 	WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3071 	WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3072 	WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3073 };
3074 
3075 /* Self Protected Action codes */
3076 enum ieee80211_self_protected_actioncode {
3077 	WLAN_SP_RESERVED = 0,
3078 	WLAN_SP_MESH_PEERING_OPEN = 1,
3079 	WLAN_SP_MESH_PEERING_CONFIRM = 2,
3080 	WLAN_SP_MESH_PEERING_CLOSE = 3,
3081 	WLAN_SP_MGK_INFORM = 4,
3082 	WLAN_SP_MGK_ACK = 5,
3083 };
3084 
3085 /* Mesh action codes */
3086 enum ieee80211_mesh_actioncode {
3087 	WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3088 	WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3089 	WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3090 	WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3091 	WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3092 	WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3093 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3094 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3095 	WLAN_MESH_ACTION_MCCA_TEARDOWN,
3096 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3097 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3098 };
3099 
3100 /* Security key length */
3101 enum ieee80211_key_len {
3102 	WLAN_KEY_LEN_WEP40 = 5,
3103 	WLAN_KEY_LEN_WEP104 = 13,
3104 	WLAN_KEY_LEN_CCMP = 16,
3105 	WLAN_KEY_LEN_CCMP_256 = 32,
3106 	WLAN_KEY_LEN_TKIP = 32,
3107 	WLAN_KEY_LEN_AES_CMAC = 16,
3108 	WLAN_KEY_LEN_SMS4 = 32,
3109 	WLAN_KEY_LEN_GCMP = 16,
3110 	WLAN_KEY_LEN_GCMP_256 = 32,
3111 	WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3112 	WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3113 	WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3114 };
3115 
3116 enum ieee80211_s1g_actioncode {
3117 	WLAN_S1G_AID_SWITCH_REQUEST,
3118 	WLAN_S1G_AID_SWITCH_RESPONSE,
3119 	WLAN_S1G_SYNC_CONTROL,
3120 	WLAN_S1G_STA_INFO_ANNOUNCE,
3121 	WLAN_S1G_EDCA_PARAM_SET,
3122 	WLAN_S1G_EL_OPERATION,
3123 	WLAN_S1G_TWT_SETUP,
3124 	WLAN_S1G_TWT_TEARDOWN,
3125 	WLAN_S1G_SECT_GROUP_ID_LIST,
3126 	WLAN_S1G_SECT_ID_FEEDBACK,
3127 	WLAN_S1G_TWT_INFORMATION = 11,
3128 };
3129 
3130 #define IEEE80211_WEP_IV_LEN		4
3131 #define IEEE80211_WEP_ICV_LEN		4
3132 #define IEEE80211_CCMP_HDR_LEN		8
3133 #define IEEE80211_CCMP_MIC_LEN		8
3134 #define IEEE80211_CCMP_PN_LEN		6
3135 #define IEEE80211_CCMP_256_HDR_LEN	8
3136 #define IEEE80211_CCMP_256_MIC_LEN	16
3137 #define IEEE80211_CCMP_256_PN_LEN	6
3138 #define IEEE80211_TKIP_IV_LEN		8
3139 #define IEEE80211_TKIP_ICV_LEN		4
3140 #define IEEE80211_CMAC_PN_LEN		6
3141 #define IEEE80211_GMAC_PN_LEN		6
3142 #define IEEE80211_GCMP_HDR_LEN		8
3143 #define IEEE80211_GCMP_MIC_LEN		16
3144 #define IEEE80211_GCMP_PN_LEN		6
3145 
3146 #define FILS_NONCE_LEN			16
3147 #define FILS_MAX_KEK_LEN		64
3148 
3149 #define FILS_ERP_MAX_USERNAME_LEN	16
3150 #define FILS_ERP_MAX_REALM_LEN		253
3151 #define FILS_ERP_MAX_RRK_LEN		64
3152 
3153 #define PMK_MAX_LEN			64
3154 #define SAE_PASSWORD_MAX_LEN		128
3155 
3156 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3157 enum ieee80211_pub_actioncode {
3158 	WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3159 	WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3160 	WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3161 	WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3162 	WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3163 	WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3164 	WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3165 	WLAN_PUB_ACTION_MSMT_PILOT = 7,
3166 	WLAN_PUB_ACTION_DSE_PC = 8,
3167 	WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3168 	WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3169 	WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3170 	WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3171 	WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3172 	WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3173 	WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3174 	WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3175 	WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3176 	WLAN_PUB_ACTION_QMF_POLICY = 18,
3177 	WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3178 	WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3179 	WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3180 	WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3181 	WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3182 	WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3183 	WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3184 	WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3185 	WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3186 	WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3187 	WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3188 	WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3189 	WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3190 	WLAN_PUB_ACTION_FTM_REQUEST = 32,
3191 	WLAN_PUB_ACTION_FTM = 33,
3192 	WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3193 };
3194 
3195 /* TDLS action codes */
3196 enum ieee80211_tdls_actioncode {
3197 	WLAN_TDLS_SETUP_REQUEST = 0,
3198 	WLAN_TDLS_SETUP_RESPONSE = 1,
3199 	WLAN_TDLS_SETUP_CONFIRM = 2,
3200 	WLAN_TDLS_TEARDOWN = 3,
3201 	WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3202 	WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3203 	WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3204 	WLAN_TDLS_PEER_PSM_REQUEST = 7,
3205 	WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3206 	WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3207 	WLAN_TDLS_DISCOVERY_REQUEST = 10,
3208 };
3209 
3210 /* Extended Channel Switching capability to be set in the 1st byte of
3211  * the @WLAN_EID_EXT_CAPABILITY information element
3212  */
3213 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING	BIT(2)
3214 
3215 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3216  * @WLAN_EID_EXT_CAPABILITY information element
3217  */
3218 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT	BIT(6)
3219 
3220 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3221  * of the @WLAN_EID_EXT_CAPABILITY information element
3222  */
3223 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT	BIT(7)
3224 
3225 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3226 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA		BIT(4)
3227 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM		BIT(5)
3228 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH		BIT(6)
3229 
3230 /* Interworking capabilities are set in 7th bit of 4th byte of the
3231  * @WLAN_EID_EXT_CAPABILITY information element
3232  */
3233 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED	BIT(7)
3234 
3235 /*
3236  * TDLS capabililites to be enabled in the 5th byte of the
3237  * @WLAN_EID_EXT_CAPABILITY information element
3238  */
3239 #define WLAN_EXT_CAPA5_TDLS_ENABLED	BIT(5)
3240 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED	BIT(6)
3241 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED	BIT(7)
3242 
3243 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED	BIT(5)
3244 #define WLAN_EXT_CAPA8_OPMODE_NOTIF	BIT(6)
3245 
3246 /* Defines the maximal number of MSDUs in an A-MSDU. */
3247 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB	BIT(7)
3248 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB	BIT(0)
3249 
3250 /*
3251  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3252  * information element
3253  */
3254 #define WLAN_EXT_CAPA9_FTM_INITIATOR	BIT(7)
3255 
3256 /* Defines support for TWT Requester and TWT Responder */
3257 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT	BIT(5)
3258 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT	BIT(6)
3259 
3260 /*
3261  * When set, indicates that the AP is able to tolerate 26-tone RU UL
3262  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3263  * 26-tone RU UL OFDMA transmissions as radar pulses).
3264  */
3265 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3266 
3267 /* Defines support for enhanced multi-bssid advertisement*/
3268 #define WLAN_EXT_CAPA11_EMA_SUPPORT	BIT(3)
3269 
3270 /* TDLS specific payload type in the LLC/SNAP header */
3271 #define WLAN_TDLS_SNAP_RFTYPE	0x2
3272 
3273 /* BSS Coex IE information field bits */
3274 #define WLAN_BSS_COEX_INFORMATION_REQUEST	BIT(0)
3275 
3276 /**
3277  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3278  *
3279  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3280  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3281  *	that will be specified in a vendor specific information element
3282  */
3283 enum ieee80211_mesh_sync_method {
3284 	IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3285 	IEEE80211_SYNC_METHOD_VENDOR = 255,
3286 };
3287 
3288 /**
3289  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3290  *
3291  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3292  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3293  *	be specified in a vendor specific information element
3294  */
3295 enum ieee80211_mesh_path_protocol {
3296 	IEEE80211_PATH_PROTOCOL_HWMP = 1,
3297 	IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3298 };
3299 
3300 /**
3301  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3302  *
3303  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3304  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3305  *	specified in a vendor specific information element
3306  */
3307 enum ieee80211_mesh_path_metric {
3308 	IEEE80211_PATH_METRIC_AIRTIME = 1,
3309 	IEEE80211_PATH_METRIC_VENDOR = 255,
3310 };
3311 
3312 /**
3313  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3314  *
3315  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3316  *
3317  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3318  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3319  *	this value
3320  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3321  *	the proactive PREQ with proactive PREP subfield set to 0
3322  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3323  *	supports the proactive PREQ with proactive PREP subfield set to 1
3324  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3325  *	the proactive RANN
3326  */
3327 enum ieee80211_root_mode_identifier {
3328 	IEEE80211_ROOTMODE_NO_ROOT = 0,
3329 	IEEE80211_ROOTMODE_ROOT = 1,
3330 	IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3331 	IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3332 	IEEE80211_PROACTIVE_RANN = 4,
3333 };
3334 
3335 /*
3336  * IEEE 802.11-2007 7.3.2.9 Country information element
3337  *
3338  * Minimum length is 8 octets, ie len must be evenly
3339  * divisible by 2
3340  */
3341 
3342 /* Although the spec says 8 I'm seeing 6 in practice */
3343 #define IEEE80211_COUNTRY_IE_MIN_LEN	6
3344 
3345 /* The Country String field of the element shall be 3 octets in length */
3346 #define IEEE80211_COUNTRY_STRING_LEN	3
3347 
3348 /*
3349  * For regulatory extension stuff see IEEE 802.11-2007
3350  * Annex I (page 1141) and Annex J (page 1147). Also
3351  * review 7.3.2.9.
3352  *
3353  * When dot11RegulatoryClassesRequired is true and the
3354  * first_channel/reg_extension_id is >= 201 then the IE
3355  * compromises of the 'ext' struct represented below:
3356  *
3357  *  - Regulatory extension ID - when generating IE this just needs
3358  *    to be monotonically increasing for each triplet passed in
3359  *    the IE
3360  *  - Regulatory class - index into set of rules
3361  *  - Coverage class - index into air propagation time (Table 7-27),
3362  *    in microseconds, you can compute the air propagation time from
3363  *    the index by multiplying by 3, so index 10 yields a propagation
3364  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
3365  *    yet. A value of 0 inicates air propagation of <= 1 us.
3366  *
3367  *  See also Table I.2 for Emission limit sets and table
3368  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
3369  *  a reg_class to an emission limit set and behavior limit set.
3370  */
3371 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3372 
3373 /*
3374  *  Channels numbers in the IE must be monotonically increasing
3375  *  if dot11RegulatoryClassesRequired is not true.
3376  *
3377  *  If dot11RegulatoryClassesRequired is true consecutive
3378  *  subband triplets following a regulatory triplet shall
3379  *  have monotonically increasing first_channel number fields.
3380  *
3381  *  Channel numbers shall not overlap.
3382  *
3383  *  Note that max_power is signed.
3384  */
3385 struct ieee80211_country_ie_triplet {
3386 	union {
3387 		struct {
3388 			u8 first_channel;
3389 			u8 num_channels;
3390 			s8 max_power;
3391 		} __packed chans;
3392 		struct {
3393 			u8 reg_extension_id;
3394 			u8 reg_class;
3395 			u8 coverage_class;
3396 		} __packed ext;
3397 	};
3398 } __packed;
3399 
3400 enum ieee80211_timeout_interval_type {
3401 	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3402 	WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3403 	WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3404 };
3405 
3406 /**
3407  * struct ieee80211_timeout_interval_ie - Timeout Interval element
3408  * @type: type, see &enum ieee80211_timeout_interval_type
3409  * @value: timeout interval value
3410  */
3411 struct ieee80211_timeout_interval_ie {
3412 	u8 type;
3413 	__le32 value;
3414 } __packed;
3415 
3416 /**
3417  * enum ieee80211_idle_options - BSS idle options
3418  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3419  *	protected frame to the AP to reset the idle timer at the AP for
3420  *	the station.
3421  */
3422 enum ieee80211_idle_options {
3423 	WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3424 };
3425 
3426 /**
3427  * struct ieee80211_bss_max_idle_period_ie
3428  *
3429  * This structure refers to "BSS Max idle period element"
3430  *
3431  * @max_idle_period: indicates the time period during which a station can
3432  *	refrain from transmitting frames to its associated AP without being
3433  *	disassociated. In units of 1000 TUs.
3434  * @idle_options: indicates the options associated with the BSS idle capability
3435  *	as specified in &enum ieee80211_idle_options.
3436  */
3437 struct ieee80211_bss_max_idle_period_ie {
3438 	__le16 max_idle_period;
3439 	u8 idle_options;
3440 } __packed;
3441 
3442 /* BACK action code */
3443 enum ieee80211_back_actioncode {
3444 	WLAN_ACTION_ADDBA_REQ = 0,
3445 	WLAN_ACTION_ADDBA_RESP = 1,
3446 	WLAN_ACTION_DELBA = 2,
3447 };
3448 
3449 /* BACK (block-ack) parties */
3450 enum ieee80211_back_parties {
3451 	WLAN_BACK_RECIPIENT = 0,
3452 	WLAN_BACK_INITIATOR = 1,
3453 };
3454 
3455 /* SA Query action */
3456 enum ieee80211_sa_query_action {
3457 	WLAN_ACTION_SA_QUERY_REQUEST = 0,
3458 	WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3459 };
3460 
3461 /**
3462  * struct ieee80211_bssid_index
3463  *
3464  * This structure refers to "Multiple BSSID-index element"
3465  *
3466  * @bssid_index: BSSID index
3467  * @dtim_period: optional, overrides transmitted BSS dtim period
3468  * @dtim_count: optional, overrides transmitted BSS dtim count
3469  */
3470 struct ieee80211_bssid_index {
3471 	u8 bssid_index;
3472 	u8 dtim_period;
3473 	u8 dtim_count;
3474 };
3475 
3476 /**
3477  * struct ieee80211_multiple_bssid_configuration
3478  *
3479  * This structure refers to "Multiple BSSID Configuration element"
3480  *
3481  * @bssid_count: total number of active BSSIDs in the set
3482  * @profile_periodicity: the least number of beacon frames need to be received
3483  *	in order to discover all the nontransmitted BSSIDs in the set.
3484  */
3485 struct ieee80211_multiple_bssid_configuration {
3486 	u8 bssid_count;
3487 	u8 profile_periodicity;
3488 };
3489 
3490 #define SUITE(oui, id)	(((oui) << 8) | (id))
3491 
3492 /* cipher suite selectors */
3493 #define WLAN_CIPHER_SUITE_USE_GROUP	SUITE(0x000FAC, 0)
3494 #define WLAN_CIPHER_SUITE_WEP40		SUITE(0x000FAC, 1)
3495 #define WLAN_CIPHER_SUITE_TKIP		SUITE(0x000FAC, 2)
3496 /* reserved: 				SUITE(0x000FAC, 3) */
3497 #define WLAN_CIPHER_SUITE_CCMP		SUITE(0x000FAC, 4)
3498 #define WLAN_CIPHER_SUITE_WEP104	SUITE(0x000FAC, 5)
3499 #define WLAN_CIPHER_SUITE_AES_CMAC	SUITE(0x000FAC, 6)
3500 #define WLAN_CIPHER_SUITE_GCMP		SUITE(0x000FAC, 8)
3501 #define WLAN_CIPHER_SUITE_GCMP_256	SUITE(0x000FAC, 9)
3502 #define WLAN_CIPHER_SUITE_CCMP_256	SUITE(0x000FAC, 10)
3503 #define WLAN_CIPHER_SUITE_BIP_GMAC_128	SUITE(0x000FAC, 11)
3504 #define WLAN_CIPHER_SUITE_BIP_GMAC_256	SUITE(0x000FAC, 12)
3505 #define WLAN_CIPHER_SUITE_BIP_CMAC_256	SUITE(0x000FAC, 13)
3506 
3507 #define WLAN_CIPHER_SUITE_SMS4		SUITE(0x001472, 1)
3508 
3509 /* AKM suite selectors */
3510 #define WLAN_AKM_SUITE_8021X			SUITE(0x000FAC, 1)
3511 #define WLAN_AKM_SUITE_PSK			SUITE(0x000FAC, 2)
3512 #define WLAN_AKM_SUITE_FT_8021X			SUITE(0x000FAC, 3)
3513 #define WLAN_AKM_SUITE_FT_PSK			SUITE(0x000FAC, 4)
3514 #define WLAN_AKM_SUITE_8021X_SHA256		SUITE(0x000FAC, 5)
3515 #define WLAN_AKM_SUITE_PSK_SHA256		SUITE(0x000FAC, 6)
3516 #define WLAN_AKM_SUITE_TDLS			SUITE(0x000FAC, 7)
3517 #define WLAN_AKM_SUITE_SAE			SUITE(0x000FAC, 8)
3518 #define WLAN_AKM_SUITE_FT_OVER_SAE		SUITE(0x000FAC, 9)
3519 #define WLAN_AKM_SUITE_AP_PEER_KEY		SUITE(0x000FAC, 10)
3520 #define WLAN_AKM_SUITE_8021X_SUITE_B		SUITE(0x000FAC, 11)
3521 #define WLAN_AKM_SUITE_8021X_SUITE_B_192	SUITE(0x000FAC, 12)
3522 #define WLAN_AKM_SUITE_FT_8021X_SHA384		SUITE(0x000FAC, 13)
3523 #define WLAN_AKM_SUITE_FILS_SHA256		SUITE(0x000FAC, 14)
3524 #define WLAN_AKM_SUITE_FILS_SHA384		SUITE(0x000FAC, 15)
3525 #define WLAN_AKM_SUITE_FT_FILS_SHA256		SUITE(0x000FAC, 16)
3526 #define WLAN_AKM_SUITE_FT_FILS_SHA384		SUITE(0x000FAC, 17)
3527 #define WLAN_AKM_SUITE_OWE			SUITE(0x000FAC, 18)
3528 #define WLAN_AKM_SUITE_FT_PSK_SHA384		SUITE(0x000FAC, 19)
3529 #define WLAN_AKM_SUITE_PSK_SHA384		SUITE(0x000FAC, 20)
3530 
3531 #define WLAN_AKM_SUITE_WFA_DPP			SUITE(WLAN_OUI_WFA, 2)
3532 
3533 #define WLAN_MAX_KEY_LEN		32
3534 
3535 #define WLAN_PMK_NAME_LEN		16
3536 #define WLAN_PMKID_LEN			16
3537 #define WLAN_PMK_LEN_EAP_LEAP		16
3538 #define WLAN_PMK_LEN			32
3539 #define WLAN_PMK_LEN_SUITE_B_192	48
3540 
3541 #define WLAN_OUI_WFA			0x506f9a
3542 #define WLAN_OUI_TYPE_WFA_P2P		9
3543 #define WLAN_OUI_TYPE_WFA_DPP		0x1A
3544 #define WLAN_OUI_MICROSOFT		0x0050f2
3545 #define WLAN_OUI_TYPE_MICROSOFT_WPA	1
3546 #define WLAN_OUI_TYPE_MICROSOFT_WMM	2
3547 #define WLAN_OUI_TYPE_MICROSOFT_WPS	4
3548 #define WLAN_OUI_TYPE_MICROSOFT_TPC	8
3549 
3550 /*
3551  * WMM/802.11e Tspec Element
3552  */
3553 #define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
3554 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1
3555 
3556 enum ieee80211_tspec_status_code {
3557 	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3558 	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3559 };
3560 
3561 struct ieee80211_tspec_ie {
3562 	u8 element_id;
3563 	u8 len;
3564 	u8 oui[3];
3565 	u8 oui_type;
3566 	u8 oui_subtype;
3567 	u8 version;
3568 	__le16 tsinfo;
3569 	u8 tsinfo_resvd;
3570 	__le16 nominal_msdu;
3571 	__le16 max_msdu;
3572 	__le32 min_service_int;
3573 	__le32 max_service_int;
3574 	__le32 inactivity_int;
3575 	__le32 suspension_int;
3576 	__le32 service_start_time;
3577 	__le32 min_data_rate;
3578 	__le32 mean_data_rate;
3579 	__le32 peak_data_rate;
3580 	__le32 max_burst_size;
3581 	__le32 delay_bound;
3582 	__le32 min_phy_rate;
3583 	__le16 sba;
3584 	__le16 medium_time;
3585 } __packed;
3586 
3587 struct ieee80211_he_6ghz_capa {
3588 	/* uses IEEE80211_HE_6GHZ_CAP_* below */
3589 	__le16 capa;
3590 } __packed;
3591 
3592 /* HE 6 GHz band capabilities */
3593 /* uses enum ieee80211_min_mpdu_spacing values */
3594 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START	0x0007
3595 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3596 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP	0x0038
3597 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3598 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN	0x00c0
3599 /* WLAN_HT_CAP_SM_PS_* values */
3600 #define IEEE80211_HE_6GHZ_CAP_SM_PS		0x0600
3601 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER	0x0800
3602 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS	0x1000
3603 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS	0x2000
3604 
3605 /**
3606  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3607  * @hdr: the frame
3608  *
3609  * The qos ctrl bytes come after the frame_control, duration, seq_num
3610  * and 3 or 4 addresses of length ETH_ALEN.
3611  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3612  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3613  */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)3614 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3615 {
3616 	if (ieee80211_has_a4(hdr->frame_control))
3617 		return (u8 *)hdr + 30;
3618 	else
3619 		return (u8 *)hdr + 24;
3620 }
3621 
3622 /**
3623  * ieee80211_get_tid - get qos TID
3624  * @hdr: the frame
3625  */
ieee80211_get_tid(struct ieee80211_hdr * hdr)3626 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3627 {
3628 	u8 *qc = ieee80211_get_qos_ctl(hdr);
3629 
3630 	return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3631 }
3632 
3633 /**
3634  * ieee80211_get_SA - get pointer to SA
3635  * @hdr: the frame
3636  *
3637  * Given an 802.11 frame, this function returns the offset
3638  * to the source address (SA). It does not verify that the
3639  * header is long enough to contain the address, and the
3640  * header must be long enough to contain the frame control
3641  * field.
3642  */
ieee80211_get_SA(struct ieee80211_hdr * hdr)3643 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3644 {
3645 	if (ieee80211_has_a4(hdr->frame_control))
3646 		return hdr->addr4;
3647 	if (ieee80211_has_fromds(hdr->frame_control))
3648 		return hdr->addr3;
3649 	return hdr->addr2;
3650 }
3651 
3652 /**
3653  * ieee80211_get_DA - get pointer to DA
3654  * @hdr: the frame
3655  *
3656  * Given an 802.11 frame, this function returns the offset
3657  * to the destination address (DA). It does not verify that
3658  * the header is long enough to contain the address, and the
3659  * header must be long enough to contain the frame control
3660  * field.
3661  */
ieee80211_get_DA(struct ieee80211_hdr * hdr)3662 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3663 {
3664 	if (ieee80211_has_tods(hdr->frame_control))
3665 		return hdr->addr3;
3666 	else
3667 		return hdr->addr1;
3668 }
3669 
3670 /**
3671  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3672  * @hdr: the frame (buffer must include at least the first octet of payload)
3673  */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)3674 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3675 {
3676 	if (ieee80211_is_disassoc(hdr->frame_control) ||
3677 	    ieee80211_is_deauth(hdr->frame_control))
3678 		return true;
3679 
3680 	if (ieee80211_is_action(hdr->frame_control)) {
3681 		u8 *category;
3682 
3683 		/*
3684 		 * Action frames, excluding Public Action frames, are Robust
3685 		 * Management Frames. However, if we are looking at a Protected
3686 		 * frame, skip the check since the data may be encrypted and
3687 		 * the frame has already been found to be a Robust Management
3688 		 * Frame (by the other end).
3689 		 */
3690 		if (ieee80211_has_protected(hdr->frame_control))
3691 			return true;
3692 		category = ((u8 *) hdr) + 24;
3693 		return *category != WLAN_CATEGORY_PUBLIC &&
3694 			*category != WLAN_CATEGORY_HT &&
3695 			*category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3696 			*category != WLAN_CATEGORY_SELF_PROTECTED &&
3697 			*category != WLAN_CATEGORY_UNPROT_DMG &&
3698 			*category != WLAN_CATEGORY_VHT &&
3699 			*category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3700 	}
3701 
3702 	return false;
3703 }
3704 
3705 /**
3706  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3707  * @skb: the skb containing the frame, length will be checked
3708  */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)3709 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3710 {
3711 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3712 		return false;
3713 	return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3714 }
3715 
3716 /**
3717  * ieee80211_is_public_action - check if frame is a public action frame
3718  * @hdr: the frame
3719  * @len: length of the frame
3720  */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)3721 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3722 					      size_t len)
3723 {
3724 	struct ieee80211_mgmt *mgmt = (void *)hdr;
3725 
3726 	if (len < IEEE80211_MIN_ACTION_SIZE)
3727 		return false;
3728 	if (!ieee80211_is_action(hdr->frame_control))
3729 		return false;
3730 	return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3731 }
3732 
3733 /**
3734  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3735  * privacy action frame
3736  * @hdr: the frame
3737  */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)3738 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3739 {
3740 	struct ieee80211_mgmt *mgmt = (void *)hdr;
3741 
3742 	if (!ieee80211_is_action(hdr->frame_control) ||
3743 	    !is_multicast_ether_addr(hdr->addr1))
3744 		return false;
3745 
3746 	return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3747 	       mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3748 }
3749 
3750 /**
3751  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3752  * privacy action frame
3753  * @skb: the skb containing the frame, length will be checked
3754  */
ieee80211_is_group_privacy_action(struct sk_buff * skb)3755 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3756 {
3757 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3758 		return false;
3759 	return _ieee80211_is_group_privacy_action((void *)skb->data);
3760 }
3761 
3762 /**
3763  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3764  * @tu: the TUs
3765  */
ieee80211_tu_to_usec(unsigned long tu)3766 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3767 {
3768 	return 1024 * tu;
3769 }
3770 
3771 /**
3772  * ieee80211_check_tim - check if AID bit is set in TIM
3773  * @tim: the TIM IE
3774  * @tim_len: length of the TIM IE
3775  * @aid: the AID to look for
3776  */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)3777 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3778 				       u8 tim_len, u16 aid)
3779 {
3780 	u8 mask;
3781 	u8 index, indexn1, indexn2;
3782 
3783 	if (unlikely(!tim || tim_len < sizeof(*tim)))
3784 		return false;
3785 
3786 	aid &= 0x3fff;
3787 	index = aid / 8;
3788 	mask  = 1 << (aid & 7);
3789 
3790 	indexn1 = tim->bitmap_ctrl & 0xfe;
3791 	indexn2 = tim_len + indexn1 - 4;
3792 
3793 	if (index < indexn1 || index > indexn2)
3794 		return false;
3795 
3796 	index -= indexn1;
3797 
3798 	return !!(tim->virtual_map[index] & mask);
3799 }
3800 
3801 /**
3802  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3803  * @skb: the skb containing the frame, length will not be checked
3804  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3805  *
3806  * This function assumes the frame is a data frame, and that the network header
3807  * is in the correct place.
3808  */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)3809 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3810 {
3811 	if (!skb_is_nonlinear(skb) &&
3812 	    skb->len > (skb_network_offset(skb) + 2)) {
3813 		/* Point to where the indication of TDLS should start */
3814 		const u8 *tdls_data = skb_network_header(skb) - 2;
3815 
3816 		if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3817 		    tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3818 		    tdls_data[3] == WLAN_CATEGORY_TDLS)
3819 			return tdls_data[4];
3820 	}
3821 
3822 	return -1;
3823 }
3824 
3825 /* convert time units */
3826 #define TU_TO_JIFFIES(x)	(usecs_to_jiffies((x) * 1024))
3827 #define TU_TO_EXP_TIME(x)	(jiffies + TU_TO_JIFFIES(x))
3828 
3829 /* convert frequencies */
3830 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
3831 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
3832 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
3833 #define KHZ_F "%d.%03d"
3834 
3835 /* convert powers */
3836 #define DBI_TO_MBI(gain) ((gain) * 100)
3837 #define MBI_TO_DBI(gain) ((gain) / 100)
3838 #define DBM_TO_MBM(gain) ((gain) * 100)
3839 #define MBM_TO_DBM(gain) ((gain) / 100)
3840 
3841 /**
3842  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3843  * @skb: the skb containing the frame, length will be checked
3844  *
3845  * This function checks if it's either TPC report action frame or Link
3846  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3847  * and 8.5.7.5 accordingly.
3848  */
ieee80211_action_contains_tpc(struct sk_buff * skb)3849 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3850 {
3851 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
3852 
3853 	if (!ieee80211_is_action(mgmt->frame_control))
3854 		return false;
3855 
3856 	if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3857 		       sizeof(mgmt->u.action.u.tpc_report))
3858 		return false;
3859 
3860 	/*
3861 	 * TPC report - check that:
3862 	 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3863 	 * spectrum management action = 3 (TPC/Link Measurement report)
3864 	 * TPC report EID = 35
3865 	 * TPC report element length = 2
3866 	 *
3867 	 * The spectrum management's tpc_report struct is used here both for
3868 	 * parsing tpc_report and radio measurement's link measurement report
3869 	 * frame, since the relevant part is identical in both frames.
3870 	 */
3871 	if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3872 	    mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3873 		return false;
3874 
3875 	/* both spectrum mgmt and link measurement have same action code */
3876 	if (mgmt->u.action.u.tpc_report.action_code !=
3877 	    WLAN_ACTION_SPCT_TPC_RPRT)
3878 		return false;
3879 
3880 	if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3881 	    mgmt->u.action.u.tpc_report.tpc_elem_length !=
3882 	    sizeof(struct ieee80211_tpc_report_ie))
3883 		return false;
3884 
3885 	return true;
3886 }
3887 
3888 struct element {
3889 	u8 id;
3890 	u8 datalen;
3891 	u8 data[];
3892 } __packed;
3893 
3894 /* element iteration helpers */
3895 #define for_each_element(_elem, _data, _datalen)			\
3896 	for (_elem = (const struct element *)(_data);			\
3897 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
3898 		(int)sizeof(*_elem) &&					\
3899 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
3900 		(int)sizeof(*_elem) + _elem->datalen;			\
3901 	     _elem = (const struct element *)(_elem->data + _elem->datalen))
3902 
3903 #define for_each_element_id(element, _id, data, datalen)		\
3904 	for_each_element(element, data, datalen)			\
3905 		if (element->id == (_id))
3906 
3907 #define for_each_element_extid(element, extid, _data, _datalen)		\
3908 	for_each_element(element, _data, _datalen)			\
3909 		if (element->id == WLAN_EID_EXTENSION &&		\
3910 		    element->datalen > 0 &&				\
3911 		    element->data[0] == (extid))
3912 
3913 #define for_each_subelement(sub, element)				\
3914 	for_each_element(sub, (element)->data, (element)->datalen)
3915 
3916 #define for_each_subelement_id(sub, id, element)			\
3917 	for_each_element_id(sub, id, (element)->data, (element)->datalen)
3918 
3919 #define for_each_subelement_extid(sub, extid, element)			\
3920 	for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3921 
3922 /**
3923  * for_each_element_completed - determine if element parsing consumed all data
3924  * @element: element pointer after for_each_element() or friends
3925  * @data: same data pointer as passed to for_each_element() or friends
3926  * @datalen: same data length as passed to for_each_element() or friends
3927  *
3928  * This function returns %true if all the data was parsed or considered
3929  * while walking the elements. Only use this if your for_each_element()
3930  * loop cannot be broken out of, otherwise it always returns %false.
3931  *
3932  * If some data was malformed, this returns %false since the last parsed
3933  * element will not fill the whole remaining data.
3934  */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)3935 static inline bool for_each_element_completed(const struct element *element,
3936 					      const void *data, size_t datalen)
3937 {
3938 	return (const u8 *)element == (const u8 *)data + datalen;
3939 }
3940 
3941 /**
3942  * RSNX Capabilities:
3943  * bits 0-3: Field length (n-1)
3944  */
3945 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
3946 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
3947 
3948 /*
3949  * reduced neighbor report, based on Draft P802.11ax_D6.1,
3950  * section 9.4.2.170 and accepted contributions.
3951  */
3952 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE				0x03
3953 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED			0x04
3954 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC			0x08
3955 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT			0xF0
3956 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM		9
3957 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM	13
3958 
3959 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED		0x01
3960 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID			0x02
3961 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID			0x04
3962 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID		0x08
3963 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS			0x10
3964 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE			0x20
3965 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP			0x40
3966 
3967 struct ieee80211_neighbor_ap_info {
3968        u8 tbtt_info_hdr;
3969        u8 tbtt_info_len;
3970        u8 op_class;
3971        u8 channel;
3972 } __packed;
3973 
3974 enum ieee80211_range_params_max_total_ltf {
3975 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
3976 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
3977 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
3978 	IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
3979 };
3980 
3981 #endif /* LINUX_IEEE80211_H */
3982