1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * IEEE 802.11 defines
4  *
5  * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6  * <jkmaline@cc.hut.fi>
7  * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8  * Copyright (c) 2005, Devicescape Software, Inc.
9  * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10  * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11  * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12  * Copyright (c) 2018 - 2019 Intel Corporation
13  */
14 
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17 
18 #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 
109 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
110 #define IEEE80211_CTL_EXT_POLL		0x2000
111 #define IEEE80211_CTL_EXT_SPR		0x3000
112 #define IEEE80211_CTL_EXT_GRANT	0x4000
113 #define IEEE80211_CTL_EXT_DMG_CTS	0x5000
114 #define IEEE80211_CTL_EXT_DMG_DTS	0x6000
115 #define IEEE80211_CTL_EXT_SSW		0x8000
116 #define IEEE80211_CTL_EXT_SSW_FBACK	0x9000
117 #define IEEE80211_CTL_EXT_SSW_ACK	0xa000
118 
119 
120 #define IEEE80211_SN_MASK		((IEEE80211_SCTL_SEQ) >> 4)
121 #define IEEE80211_MAX_SN		IEEE80211_SN_MASK
122 #define IEEE80211_SN_MODULO		(IEEE80211_MAX_SN + 1)
123 
ieee80211_sn_less(u16 sn1,u16 sn2)124 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
125 {
126 	return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
127 }
128 
ieee80211_sn_add(u16 sn1,u16 sn2)129 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
130 {
131 	return (sn1 + sn2) & IEEE80211_SN_MASK;
132 }
133 
ieee80211_sn_inc(u16 sn)134 static inline u16 ieee80211_sn_inc(u16 sn)
135 {
136 	return ieee80211_sn_add(sn, 1);
137 }
138 
ieee80211_sn_sub(u16 sn1,u16 sn2)139 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
140 {
141 	return (sn1 - sn2) & IEEE80211_SN_MASK;
142 }
143 
144 #define IEEE80211_SEQ_TO_SN(seq)	(((seq) & IEEE80211_SCTL_SEQ) >> 4)
145 #define IEEE80211_SN_TO_SEQ(ssn)	(((ssn) << 4) & IEEE80211_SCTL_SEQ)
146 
147 /* miscellaneous IEEE 802.11 constants */
148 #define IEEE80211_MAX_FRAG_THRESHOLD	2352
149 #define IEEE80211_MAX_RTS_THRESHOLD	2353
150 #define IEEE80211_MAX_AID		2007
151 #define IEEE80211_MAX_TIM_LEN		251
152 #define IEEE80211_MAX_MESH_PEERINGS	63
153 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
154    6.2.1.1.2.
155 
156    802.11e clarifies the figure in section 7.1.2. The frame body is
157    up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
158 #define IEEE80211_MAX_DATA_LEN		2304
159 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
160  * to 7920 bytes, see 8.2.3 General frame format
161  */
162 #define IEEE80211_MAX_DATA_LEN_DMG	7920
163 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
164 #define IEEE80211_MAX_FRAME_LEN		2352
165 
166 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
167 #define IEEE80211_MAX_MPDU_LEN_HT_BA		4095
168 
169 /* Maximal size of an A-MSDU */
170 #define IEEE80211_MAX_MPDU_LEN_HT_3839		3839
171 #define IEEE80211_MAX_MPDU_LEN_HT_7935		7935
172 
173 #define IEEE80211_MAX_MPDU_LEN_VHT_3895		3895
174 #define IEEE80211_MAX_MPDU_LEN_VHT_7991		7991
175 #define IEEE80211_MAX_MPDU_LEN_VHT_11454	11454
176 
177 #define IEEE80211_MAX_SSID_LEN		32
178 
179 #define IEEE80211_MAX_MESH_ID_LEN	32
180 
181 #define IEEE80211_FIRST_TSPEC_TSID	8
182 #define IEEE80211_NUM_TIDS		16
183 
184 /* number of user priorities 802.11 uses */
185 #define IEEE80211_NUM_UPS		8
186 /* number of ACs */
187 #define IEEE80211_NUM_ACS		4
188 
189 #define IEEE80211_QOS_CTL_LEN		2
190 /* 1d tag mask */
191 #define IEEE80211_QOS_CTL_TAG1D_MASK		0x0007
192 /* TID mask */
193 #define IEEE80211_QOS_CTL_TID_MASK		0x000f
194 /* EOSP */
195 #define IEEE80211_QOS_CTL_EOSP			0x0010
196 /* ACK policy */
197 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL	0x0000
198 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK	0x0020
199 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL	0x0040
200 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK	0x0060
201 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK	0x0060
202 /* A-MSDU 802.11n */
203 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT	0x0080
204 /* Mesh Control 802.11s */
205 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT  0x0100
206 
207 /* Mesh Power Save Level */
208 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL		0x0200
209 /* Mesh Receiver Service Period Initiated */
210 #define IEEE80211_QOS_CTL_RSPI			0x0400
211 
212 /* U-APSD queue for WMM IEs sent by AP */
213 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD	(1<<7)
214 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK	0x0f
215 
216 /* U-APSD queues for WMM IEs sent by STA */
217 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO	(1<<0)
218 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI	(1<<1)
219 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK	(1<<2)
220 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE	(1<<3)
221 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK	0x0f
222 
223 /* U-APSD max SP length for WMM IEs sent by STA */
224 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL	0x00
225 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2	0x01
226 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4	0x02
227 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6	0x03
228 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK	0x03
229 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT	5
230 
231 #define IEEE80211_HT_CTL_LEN		4
232 
233 struct ieee80211_hdr {
234 	__le16 frame_control;
235 	__le16 duration_id;
236 	u8 addr1[ETH_ALEN];
237 	u8 addr2[ETH_ALEN];
238 	u8 addr3[ETH_ALEN];
239 	__le16 seq_ctrl;
240 	u8 addr4[ETH_ALEN];
241 } __packed __aligned(2);
242 
243 struct ieee80211_hdr_3addr {
244 	__le16 frame_control;
245 	__le16 duration_id;
246 	u8 addr1[ETH_ALEN];
247 	u8 addr2[ETH_ALEN];
248 	u8 addr3[ETH_ALEN];
249 	__le16 seq_ctrl;
250 } __packed __aligned(2);
251 
252 struct ieee80211_qos_hdr {
253 	__le16 frame_control;
254 	__le16 duration_id;
255 	u8 addr1[ETH_ALEN];
256 	u8 addr2[ETH_ALEN];
257 	u8 addr3[ETH_ALEN];
258 	__le16 seq_ctrl;
259 	__le16 qos_ctrl;
260 } __packed __aligned(2);
261 
262 /**
263  * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
264  * @fc: frame control bytes in little-endian byteorder
265  */
ieee80211_has_tods(__le16 fc)266 static inline bool ieee80211_has_tods(__le16 fc)
267 {
268 	return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
269 }
270 
271 /**
272  * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
273  * @fc: frame control bytes in little-endian byteorder
274  */
ieee80211_has_fromds(__le16 fc)275 static inline bool ieee80211_has_fromds(__le16 fc)
276 {
277 	return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
278 }
279 
280 /**
281  * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
282  * @fc: frame control bytes in little-endian byteorder
283  */
ieee80211_has_a4(__le16 fc)284 static inline bool ieee80211_has_a4(__le16 fc)
285 {
286 	__le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
287 	return (fc & tmp) == tmp;
288 }
289 
290 /**
291  * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
292  * @fc: frame control bytes in little-endian byteorder
293  */
ieee80211_has_morefrags(__le16 fc)294 static inline bool ieee80211_has_morefrags(__le16 fc)
295 {
296 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
297 }
298 
299 /**
300  * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
301  * @fc: frame control bytes in little-endian byteorder
302  */
ieee80211_has_retry(__le16 fc)303 static inline bool ieee80211_has_retry(__le16 fc)
304 {
305 	return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
306 }
307 
308 /**
309  * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
310  * @fc: frame control bytes in little-endian byteorder
311  */
ieee80211_has_pm(__le16 fc)312 static inline bool ieee80211_has_pm(__le16 fc)
313 {
314 	return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
315 }
316 
317 /**
318  * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
319  * @fc: frame control bytes in little-endian byteorder
320  */
ieee80211_has_moredata(__le16 fc)321 static inline bool ieee80211_has_moredata(__le16 fc)
322 {
323 	return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
324 }
325 
326 /**
327  * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
328  * @fc: frame control bytes in little-endian byteorder
329  */
ieee80211_has_protected(__le16 fc)330 static inline bool ieee80211_has_protected(__le16 fc)
331 {
332 	return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
333 }
334 
335 /**
336  * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
337  * @fc: frame control bytes in little-endian byteorder
338  */
ieee80211_has_order(__le16 fc)339 static inline bool ieee80211_has_order(__le16 fc)
340 {
341 	return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
342 }
343 
344 /**
345  * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
346  * @fc: frame control bytes in little-endian byteorder
347  */
ieee80211_is_mgmt(__le16 fc)348 static inline bool ieee80211_is_mgmt(__le16 fc)
349 {
350 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
351 	       cpu_to_le16(IEEE80211_FTYPE_MGMT);
352 }
353 
354 /**
355  * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
356  * @fc: frame control bytes in little-endian byteorder
357  */
ieee80211_is_ctl(__le16 fc)358 static inline bool ieee80211_is_ctl(__le16 fc)
359 {
360 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
361 	       cpu_to_le16(IEEE80211_FTYPE_CTL);
362 }
363 
364 /**
365  * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
366  * @fc: frame control bytes in little-endian byteorder
367  */
ieee80211_is_data(__le16 fc)368 static inline bool ieee80211_is_data(__le16 fc)
369 {
370 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
371 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
372 }
373 
374 /**
375  * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
376  * @fc: frame control bytes in little-endian byteorder
377  */
ieee80211_is_data_qos(__le16 fc)378 static inline bool ieee80211_is_data_qos(__le16 fc)
379 {
380 	/*
381 	 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
382 	 * to check the one bit
383 	 */
384 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
385 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
386 }
387 
388 /**
389  * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
390  * @fc: frame control bytes in little-endian byteorder
391  */
ieee80211_is_data_present(__le16 fc)392 static inline bool ieee80211_is_data_present(__le16 fc)
393 {
394 	/*
395 	 * mask with 0x40 and test that that bit is clear to only return true
396 	 * for the data-containing substypes.
397 	 */
398 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
399 	       cpu_to_le16(IEEE80211_FTYPE_DATA);
400 }
401 
402 /**
403  * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
404  * @fc: frame control bytes in little-endian byteorder
405  */
ieee80211_is_assoc_req(__le16 fc)406 static inline bool ieee80211_is_assoc_req(__le16 fc)
407 {
408 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
409 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
410 }
411 
412 /**
413  * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
414  * @fc: frame control bytes in little-endian byteorder
415  */
ieee80211_is_assoc_resp(__le16 fc)416 static inline bool ieee80211_is_assoc_resp(__le16 fc)
417 {
418 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
419 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
420 }
421 
422 /**
423  * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
424  * @fc: frame control bytes in little-endian byteorder
425  */
ieee80211_is_reassoc_req(__le16 fc)426 static inline bool ieee80211_is_reassoc_req(__le16 fc)
427 {
428 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
429 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
430 }
431 
432 /**
433  * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
434  * @fc: frame control bytes in little-endian byteorder
435  */
ieee80211_is_reassoc_resp(__le16 fc)436 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
437 {
438 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
439 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
440 }
441 
442 /**
443  * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
444  * @fc: frame control bytes in little-endian byteorder
445  */
ieee80211_is_probe_req(__le16 fc)446 static inline bool ieee80211_is_probe_req(__le16 fc)
447 {
448 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
449 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
450 }
451 
452 /**
453  * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
454  * @fc: frame control bytes in little-endian byteorder
455  */
ieee80211_is_probe_resp(__le16 fc)456 static inline bool ieee80211_is_probe_resp(__le16 fc)
457 {
458 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
459 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
460 }
461 
462 /**
463  * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
464  * @fc: frame control bytes in little-endian byteorder
465  */
ieee80211_is_beacon(__le16 fc)466 static inline bool ieee80211_is_beacon(__le16 fc)
467 {
468 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
469 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
470 }
471 
472 /**
473  * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
474  * @fc: frame control bytes in little-endian byteorder
475  */
ieee80211_is_atim(__le16 fc)476 static inline bool ieee80211_is_atim(__le16 fc)
477 {
478 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
479 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
480 }
481 
482 /**
483  * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
484  * @fc: frame control bytes in little-endian byteorder
485  */
ieee80211_is_disassoc(__le16 fc)486 static inline bool ieee80211_is_disassoc(__le16 fc)
487 {
488 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
489 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
490 }
491 
492 /**
493  * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
494  * @fc: frame control bytes in little-endian byteorder
495  */
ieee80211_is_auth(__le16 fc)496 static inline bool ieee80211_is_auth(__le16 fc)
497 {
498 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
499 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
500 }
501 
502 /**
503  * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
504  * @fc: frame control bytes in little-endian byteorder
505  */
ieee80211_is_deauth(__le16 fc)506 static inline bool ieee80211_is_deauth(__le16 fc)
507 {
508 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
509 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
510 }
511 
512 /**
513  * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
514  * @fc: frame control bytes in little-endian byteorder
515  */
ieee80211_is_action(__le16 fc)516 static inline bool ieee80211_is_action(__le16 fc)
517 {
518 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 	       cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
520 }
521 
522 /**
523  * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
524  * @fc: frame control bytes in little-endian byteorder
525  */
ieee80211_is_back_req(__le16 fc)526 static inline bool ieee80211_is_back_req(__le16 fc)
527 {
528 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
530 }
531 
532 /**
533  * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
534  * @fc: frame control bytes in little-endian byteorder
535  */
ieee80211_is_back(__le16 fc)536 static inline bool ieee80211_is_back(__le16 fc)
537 {
538 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
540 }
541 
542 /**
543  * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
544  * @fc: frame control bytes in little-endian byteorder
545  */
ieee80211_is_pspoll(__le16 fc)546 static inline bool ieee80211_is_pspoll(__le16 fc)
547 {
548 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
550 }
551 
552 /**
553  * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
554  * @fc: frame control bytes in little-endian byteorder
555  */
ieee80211_is_rts(__le16 fc)556 static inline bool ieee80211_is_rts(__le16 fc)
557 {
558 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
560 }
561 
562 /**
563  * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
564  * @fc: frame control bytes in little-endian byteorder
565  */
ieee80211_is_cts(__le16 fc)566 static inline bool ieee80211_is_cts(__le16 fc)
567 {
568 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
570 }
571 
572 /**
573  * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
574  * @fc: frame control bytes in little-endian byteorder
575  */
ieee80211_is_ack(__le16 fc)576 static inline bool ieee80211_is_ack(__le16 fc)
577 {
578 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
580 }
581 
582 /**
583  * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
584  * @fc: frame control bytes in little-endian byteorder
585  */
ieee80211_is_cfend(__le16 fc)586 static inline bool ieee80211_is_cfend(__le16 fc)
587 {
588 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
589 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
590 }
591 
592 /**
593  * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
594  * @fc: frame control bytes in little-endian byteorder
595  */
ieee80211_is_cfendack(__le16 fc)596 static inline bool ieee80211_is_cfendack(__le16 fc)
597 {
598 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
599 	       cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
600 }
601 
602 /**
603  * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
604  * @fc: frame control bytes in little-endian byteorder
605  */
ieee80211_is_nullfunc(__le16 fc)606 static inline bool ieee80211_is_nullfunc(__le16 fc)
607 {
608 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
609 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
610 }
611 
612 /**
613  * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
614  * @fc: frame control bytes in little-endian byteorder
615  */
ieee80211_is_qos_nullfunc(__le16 fc)616 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
617 {
618 	return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
619 	       cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
620 }
621 
622 /**
623  * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
624  * @fc: frame control field in little-endian byteorder
625  */
ieee80211_is_bufferable_mmpdu(__le16 fc)626 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
627 {
628 	/* IEEE 802.11-2012, definition of "bufferable management frame";
629 	 * note that this ignores the IBSS special case. */
630 	return ieee80211_is_mgmt(fc) &&
631 	       (ieee80211_is_action(fc) ||
632 		ieee80211_is_disassoc(fc) ||
633 		ieee80211_is_deauth(fc));
634 }
635 
636 /**
637  * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
638  * @seq_ctrl: frame sequence control bytes in little-endian byteorder
639  */
ieee80211_is_first_frag(__le16 seq_ctrl)640 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
641 {
642 	return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
643 }
644 
645 /**
646  * ieee80211_is_frag - check if a frame is a fragment
647  * @hdr: 802.11 header of the frame
648  */
ieee80211_is_frag(struct ieee80211_hdr * hdr)649 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
650 {
651 	return ieee80211_has_morefrags(hdr->frame_control) ||
652 	       hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
653 }
654 
655 struct ieee80211s_hdr {
656 	u8 flags;
657 	u8 ttl;
658 	__le32 seqnum;
659 	u8 eaddr1[ETH_ALEN];
660 	u8 eaddr2[ETH_ALEN];
661 } __packed __aligned(2);
662 
663 /* Mesh flags */
664 #define MESH_FLAGS_AE_A4 	0x1
665 #define MESH_FLAGS_AE_A5_A6	0x2
666 #define MESH_FLAGS_AE		0x3
667 #define MESH_FLAGS_PS_DEEP	0x4
668 
669 /**
670  * enum ieee80211_preq_flags - mesh PREQ element flags
671  *
672  * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
673  */
674 enum ieee80211_preq_flags {
675 	IEEE80211_PREQ_PROACTIVE_PREP_FLAG	= 1<<2,
676 };
677 
678 /**
679  * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
680  *
681  * @IEEE80211_PREQ_TO_FLAG: target only subfield
682  * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
683  */
684 enum ieee80211_preq_target_flags {
685 	IEEE80211_PREQ_TO_FLAG	= 1<<0,
686 	IEEE80211_PREQ_USN_FLAG	= 1<<2,
687 };
688 
689 /**
690  * struct ieee80211_quiet_ie
691  *
692  * This structure refers to "Quiet information element"
693  */
694 struct ieee80211_quiet_ie {
695 	u8 count;
696 	u8 period;
697 	__le16 duration;
698 	__le16 offset;
699 } __packed;
700 
701 /**
702  * struct ieee80211_msrment_ie
703  *
704  * This structure refers to "Measurement Request/Report information element"
705  */
706 struct ieee80211_msrment_ie {
707 	u8 token;
708 	u8 mode;
709 	u8 type;
710 	u8 request[0];
711 } __packed;
712 
713 /**
714  * struct ieee80211_channel_sw_ie
715  *
716  * This structure refers to "Channel Switch Announcement information element"
717  */
718 struct ieee80211_channel_sw_ie {
719 	u8 mode;
720 	u8 new_ch_num;
721 	u8 count;
722 } __packed;
723 
724 /**
725  * struct ieee80211_ext_chansw_ie
726  *
727  * This structure represents the "Extended Channel Switch Announcement element"
728  */
729 struct ieee80211_ext_chansw_ie {
730 	u8 mode;
731 	u8 new_operating_class;
732 	u8 new_ch_num;
733 	u8 count;
734 } __packed;
735 
736 /**
737  * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
738  * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
739  *	values here
740  * This structure represents the "Secondary Channel Offset element"
741  */
742 struct ieee80211_sec_chan_offs_ie {
743 	u8 sec_chan_offs;
744 } __packed;
745 
746 /**
747  * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
748  *
749  * This structure represents the "Mesh Channel Switch Paramters element"
750  */
751 struct ieee80211_mesh_chansw_params_ie {
752 	u8 mesh_ttl;
753 	u8 mesh_flags;
754 	__le16 mesh_reason;
755 	__le16 mesh_pre_value;
756 } __packed;
757 
758 /**
759  * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
760  */
761 struct ieee80211_wide_bw_chansw_ie {
762 	u8 new_channel_width;
763 	u8 new_center_freq_seg0, new_center_freq_seg1;
764 } __packed;
765 
766 /**
767  * struct ieee80211_tim
768  *
769  * This structure refers to "Traffic Indication Map information element"
770  */
771 struct ieee80211_tim_ie {
772 	u8 dtim_count;
773 	u8 dtim_period;
774 	u8 bitmap_ctrl;
775 	/* variable size: 1 - 251 bytes */
776 	u8 virtual_map[1];
777 } __packed;
778 
779 /**
780  * struct ieee80211_meshconf_ie
781  *
782  * This structure refers to "Mesh Configuration information element"
783  */
784 struct ieee80211_meshconf_ie {
785 	u8 meshconf_psel;
786 	u8 meshconf_pmetric;
787 	u8 meshconf_congest;
788 	u8 meshconf_synch;
789 	u8 meshconf_auth;
790 	u8 meshconf_form;
791 	u8 meshconf_cap;
792 } __packed;
793 
794 /**
795  * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
796  *
797  * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
798  *	additional mesh peerings with other mesh STAs
799  * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
800  * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
801  *	is ongoing
802  * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
803  *	neighbors in deep sleep mode
804  */
805 enum mesh_config_capab_flags {
806 	IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS		= 0x01,
807 	IEEE80211_MESHCONF_CAPAB_FORWARDING		= 0x08,
808 	IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING		= 0x20,
809 	IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL	= 0x40,
810 };
811 
812 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
813 
814 /**
815  * mesh channel switch parameters element's flag indicator
816  *
817  */
818 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
819 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
820 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
821 
822 /**
823  * struct ieee80211_rann_ie
824  *
825  * This structure refers to "Root Announcement information element"
826  */
827 struct ieee80211_rann_ie {
828 	u8 rann_flags;
829 	u8 rann_hopcount;
830 	u8 rann_ttl;
831 	u8 rann_addr[ETH_ALEN];
832 	__le32 rann_seq;
833 	__le32 rann_interval;
834 	__le32 rann_metric;
835 } __packed;
836 
837 enum ieee80211_rann_flags {
838 	RANN_FLAG_IS_GATE = 1 << 0,
839 };
840 
841 enum ieee80211_ht_chanwidth_values {
842 	IEEE80211_HT_CHANWIDTH_20MHZ = 0,
843 	IEEE80211_HT_CHANWIDTH_ANY = 1,
844 };
845 
846 /**
847  * enum ieee80211_opmode_bits - VHT operating mode field bits
848  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
849  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
850  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
851  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
852  * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
853  * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
854  *	(the NSS value is the value of this field + 1)
855  * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
856  * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
857  *	using a beamforming steering matrix
858  */
859 enum ieee80211_vht_opmode_bits {
860 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK	= 3,
861 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ	= 0,
862 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ	= 1,
863 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ	= 2,
864 	IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ	= 3,
865 	IEEE80211_OPMODE_NOTIF_RX_NSS_MASK	= 0x70,
866 	IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT	= 4,
867 	IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF	= 0x80,
868 };
869 
870 #define WLAN_SA_QUERY_TR_ID_LEN 2
871 #define WLAN_MEMBERSHIP_LEN 8
872 #define WLAN_USER_POSITION_LEN 16
873 
874 /**
875  * struct ieee80211_tpc_report_ie
876  *
877  * This structure refers to "TPC Report element"
878  */
879 struct ieee80211_tpc_report_ie {
880 	u8 tx_power;
881 	u8 link_margin;
882 } __packed;
883 
884 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK	GENMASK(2, 1)
885 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT	1
886 #define IEEE80211_ADDBA_EXT_NO_FRAG		BIT(0)
887 
888 struct ieee80211_addba_ext_ie {
889 	u8 data;
890 } __packed;
891 
892 struct ieee80211_mgmt {
893 	__le16 frame_control;
894 	__le16 duration;
895 	u8 da[ETH_ALEN];
896 	u8 sa[ETH_ALEN];
897 	u8 bssid[ETH_ALEN];
898 	__le16 seq_ctrl;
899 	union {
900 		struct {
901 			__le16 auth_alg;
902 			__le16 auth_transaction;
903 			__le16 status_code;
904 			/* possibly followed by Challenge text */
905 			u8 variable[0];
906 		} __packed auth;
907 		struct {
908 			__le16 reason_code;
909 		} __packed deauth;
910 		struct {
911 			__le16 capab_info;
912 			__le16 listen_interval;
913 			/* followed by SSID and Supported rates */
914 			u8 variable[0];
915 		} __packed assoc_req;
916 		struct {
917 			__le16 capab_info;
918 			__le16 status_code;
919 			__le16 aid;
920 			/* followed by Supported rates */
921 			u8 variable[0];
922 		} __packed assoc_resp, reassoc_resp;
923 		struct {
924 			__le16 capab_info;
925 			__le16 listen_interval;
926 			u8 current_ap[ETH_ALEN];
927 			/* followed by SSID and Supported rates */
928 			u8 variable[0];
929 		} __packed reassoc_req;
930 		struct {
931 			__le16 reason_code;
932 		} __packed disassoc;
933 		struct {
934 			__le64 timestamp;
935 			__le16 beacon_int;
936 			__le16 capab_info;
937 			/* followed by some of SSID, Supported rates,
938 			 * FH Params, DS Params, CF Params, IBSS Params, TIM */
939 			u8 variable[0];
940 		} __packed beacon;
941 		struct {
942 			/* only variable items: SSID, Supported rates */
943 			u8 variable[0];
944 		} __packed probe_req;
945 		struct {
946 			__le64 timestamp;
947 			__le16 beacon_int;
948 			__le16 capab_info;
949 			/* followed by some of SSID, Supported rates,
950 			 * FH Params, DS Params, CF Params, IBSS Params */
951 			u8 variable[0];
952 		} __packed probe_resp;
953 		struct {
954 			u8 category;
955 			union {
956 				struct {
957 					u8 action_code;
958 					u8 dialog_token;
959 					u8 status_code;
960 					u8 variable[0];
961 				} __packed wme_action;
962 				struct{
963 					u8 action_code;
964 					u8 variable[0];
965 				} __packed chan_switch;
966 				struct{
967 					u8 action_code;
968 					struct ieee80211_ext_chansw_ie data;
969 					u8 variable[0];
970 				} __packed ext_chan_switch;
971 				struct{
972 					u8 action_code;
973 					u8 dialog_token;
974 					u8 element_id;
975 					u8 length;
976 					struct ieee80211_msrment_ie msr_elem;
977 				} __packed measurement;
978 				struct{
979 					u8 action_code;
980 					u8 dialog_token;
981 					__le16 capab;
982 					__le16 timeout;
983 					__le16 start_seq_num;
984 					/* followed by BA Extension */
985 					u8 variable[0];
986 				} __packed addba_req;
987 				struct{
988 					u8 action_code;
989 					u8 dialog_token;
990 					__le16 status;
991 					__le16 capab;
992 					__le16 timeout;
993 				} __packed addba_resp;
994 				struct{
995 					u8 action_code;
996 					__le16 params;
997 					__le16 reason_code;
998 				} __packed delba;
999 				struct {
1000 					u8 action_code;
1001 					u8 variable[0];
1002 				} __packed self_prot;
1003 				struct{
1004 					u8 action_code;
1005 					u8 variable[0];
1006 				} __packed mesh_action;
1007 				struct {
1008 					u8 action;
1009 					u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1010 				} __packed sa_query;
1011 				struct {
1012 					u8 action;
1013 					u8 smps_control;
1014 				} __packed ht_smps;
1015 				struct {
1016 					u8 action_code;
1017 					u8 chanwidth;
1018 				} __packed ht_notify_cw;
1019 				struct {
1020 					u8 action_code;
1021 					u8 dialog_token;
1022 					__le16 capability;
1023 					u8 variable[0];
1024 				} __packed tdls_discover_resp;
1025 				struct {
1026 					u8 action_code;
1027 					u8 operating_mode;
1028 				} __packed vht_opmode_notif;
1029 				struct {
1030 					u8 action_code;
1031 					u8 membership[WLAN_MEMBERSHIP_LEN];
1032 					u8 position[WLAN_USER_POSITION_LEN];
1033 				} __packed vht_group_notif;
1034 				struct {
1035 					u8 action_code;
1036 					u8 dialog_token;
1037 					u8 tpc_elem_id;
1038 					u8 tpc_elem_length;
1039 					struct ieee80211_tpc_report_ie tpc;
1040 				} __packed tpc_report;
1041 				struct {
1042 					u8 action_code;
1043 					u8 dialog_token;
1044 					u8 follow_up;
1045 					u8 tod[6];
1046 					u8 toa[6];
1047 					__le16 tod_error;
1048 					__le16 toa_error;
1049 					u8 variable[0];
1050 				} __packed ftm;
1051 			} u;
1052 		} __packed action;
1053 	} u;
1054 } __packed __aligned(2);
1055 
1056 /* Supported rates membership selectors */
1057 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY	127
1058 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY	126
1059 
1060 /* mgmt header + 1 byte category code */
1061 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1062 
1063 
1064 /* Management MIC information element (IEEE 802.11w) */
1065 struct ieee80211_mmie {
1066 	u8 element_id;
1067 	u8 length;
1068 	__le16 key_id;
1069 	u8 sequence_number[6];
1070 	u8 mic[8];
1071 } __packed;
1072 
1073 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1074 struct ieee80211_mmie_16 {
1075 	u8 element_id;
1076 	u8 length;
1077 	__le16 key_id;
1078 	u8 sequence_number[6];
1079 	u8 mic[16];
1080 } __packed;
1081 
1082 struct ieee80211_vendor_ie {
1083 	u8 element_id;
1084 	u8 len;
1085 	u8 oui[3];
1086 	u8 oui_type;
1087 } __packed;
1088 
1089 struct ieee80211_wmm_ac_param {
1090 	u8 aci_aifsn; /* AIFSN, ACM, ACI */
1091 	u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1092 	__le16 txop_limit;
1093 } __packed;
1094 
1095 struct ieee80211_wmm_param_ie {
1096 	u8 element_id; /* Element ID: 221 (0xdd); */
1097 	u8 len; /* Length: 24 */
1098 	/* required fields for WMM version 1 */
1099 	u8 oui[3]; /* 00:50:f2 */
1100 	u8 oui_type; /* 2 */
1101 	u8 oui_subtype; /* 1 */
1102 	u8 version; /* 1 for WMM version 1.0 */
1103 	u8 qos_info; /* AP/STA specific QoS info */
1104 	u8 reserved; /* 0 */
1105 	/* AC_BE, AC_BK, AC_VI, AC_VO */
1106 	struct ieee80211_wmm_ac_param ac[4];
1107 } __packed;
1108 
1109 /* Control frames */
1110 struct ieee80211_rts {
1111 	__le16 frame_control;
1112 	__le16 duration;
1113 	u8 ra[ETH_ALEN];
1114 	u8 ta[ETH_ALEN];
1115 } __packed __aligned(2);
1116 
1117 struct ieee80211_cts {
1118 	__le16 frame_control;
1119 	__le16 duration;
1120 	u8 ra[ETH_ALEN];
1121 } __packed __aligned(2);
1122 
1123 struct ieee80211_pspoll {
1124 	__le16 frame_control;
1125 	__le16 aid;
1126 	u8 bssid[ETH_ALEN];
1127 	u8 ta[ETH_ALEN];
1128 } __packed __aligned(2);
1129 
1130 /* TDLS */
1131 
1132 /* Channel switch timing */
1133 struct ieee80211_ch_switch_timing {
1134 	__le16 switch_time;
1135 	__le16 switch_timeout;
1136 } __packed;
1137 
1138 /* Link-id information element */
1139 struct ieee80211_tdls_lnkie {
1140 	u8 ie_type; /* Link Identifier IE */
1141 	u8 ie_len;
1142 	u8 bssid[ETH_ALEN];
1143 	u8 init_sta[ETH_ALEN];
1144 	u8 resp_sta[ETH_ALEN];
1145 } __packed;
1146 
1147 struct ieee80211_tdls_data {
1148 	u8 da[ETH_ALEN];
1149 	u8 sa[ETH_ALEN];
1150 	__be16 ether_type;
1151 	u8 payload_type;
1152 	u8 category;
1153 	u8 action_code;
1154 	union {
1155 		struct {
1156 			u8 dialog_token;
1157 			__le16 capability;
1158 			u8 variable[0];
1159 		} __packed setup_req;
1160 		struct {
1161 			__le16 status_code;
1162 			u8 dialog_token;
1163 			__le16 capability;
1164 			u8 variable[0];
1165 		} __packed setup_resp;
1166 		struct {
1167 			__le16 status_code;
1168 			u8 dialog_token;
1169 			u8 variable[0];
1170 		} __packed setup_cfm;
1171 		struct {
1172 			__le16 reason_code;
1173 			u8 variable[0];
1174 		} __packed teardown;
1175 		struct {
1176 			u8 dialog_token;
1177 			u8 variable[0];
1178 		} __packed discover_req;
1179 		struct {
1180 			u8 target_channel;
1181 			u8 oper_class;
1182 			u8 variable[0];
1183 		} __packed chan_switch_req;
1184 		struct {
1185 			__le16 status_code;
1186 			u8 variable[0];
1187 		} __packed chan_switch_resp;
1188 	} u;
1189 } __packed;
1190 
1191 /*
1192  * Peer-to-Peer IE attribute related definitions.
1193  */
1194 /**
1195  * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1196  */
1197 enum ieee80211_p2p_attr_id {
1198 	IEEE80211_P2P_ATTR_STATUS = 0,
1199 	IEEE80211_P2P_ATTR_MINOR_REASON,
1200 	IEEE80211_P2P_ATTR_CAPABILITY,
1201 	IEEE80211_P2P_ATTR_DEVICE_ID,
1202 	IEEE80211_P2P_ATTR_GO_INTENT,
1203 	IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1204 	IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1205 	IEEE80211_P2P_ATTR_GROUP_BSSID,
1206 	IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1207 	IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1208 	IEEE80211_P2P_ATTR_MANAGABILITY,
1209 	IEEE80211_P2P_ATTR_CHANNEL_LIST,
1210 	IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1211 	IEEE80211_P2P_ATTR_DEVICE_INFO,
1212 	IEEE80211_P2P_ATTR_GROUP_INFO,
1213 	IEEE80211_P2P_ATTR_GROUP_ID,
1214 	IEEE80211_P2P_ATTR_INTERFACE,
1215 	IEEE80211_P2P_ATTR_OPER_CHANNEL,
1216 	IEEE80211_P2P_ATTR_INVITE_FLAGS,
1217 	/* 19 - 220: Reserved */
1218 	IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1219 
1220 	IEEE80211_P2P_ATTR_MAX
1221 };
1222 
1223 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1224 /* Typical max value used here */
1225 #define IEEE80211_P2P_NOA_DESC_MAX	4
1226 
1227 struct ieee80211_p2p_noa_desc {
1228 	u8 count;
1229 	__le32 duration;
1230 	__le32 interval;
1231 	__le32 start_time;
1232 } __packed;
1233 
1234 struct ieee80211_p2p_noa_attr {
1235 	u8 index;
1236 	u8 oppps_ctwindow;
1237 	struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1238 } __packed;
1239 
1240 #define IEEE80211_P2P_OPPPS_ENABLE_BIT		BIT(7)
1241 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK	0x7F
1242 
1243 /**
1244  * struct ieee80211_bar - HT Block Ack Request
1245  *
1246  * This structure refers to "HT BlockAckReq" as
1247  * described in 802.11n draft section 7.2.1.7.1
1248  */
1249 struct ieee80211_bar {
1250 	__le16 frame_control;
1251 	__le16 duration;
1252 	__u8 ra[ETH_ALEN];
1253 	__u8 ta[ETH_ALEN];
1254 	__le16 control;
1255 	__le16 start_seq_num;
1256 } __packed;
1257 
1258 /* 802.11 BAR control masks */
1259 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL	0x0000
1260 #define IEEE80211_BAR_CTRL_MULTI_TID		0x0002
1261 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA	0x0004
1262 #define IEEE80211_BAR_CTRL_TID_INFO_MASK	0xf000
1263 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT	12
1264 
1265 #define IEEE80211_HT_MCS_MASK_LEN		10
1266 
1267 /**
1268  * struct ieee80211_mcs_info - MCS information
1269  * @rx_mask: RX mask
1270  * @rx_highest: highest supported RX rate. If set represents
1271  *	the highest supported RX data rate in units of 1 Mbps.
1272  *	If this field is 0 this value should not be used to
1273  *	consider the highest RX data rate supported.
1274  * @tx_params: TX parameters
1275  */
1276 struct ieee80211_mcs_info {
1277 	u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1278 	__le16 rx_highest;
1279 	u8 tx_params;
1280 	u8 reserved[3];
1281 } __packed;
1282 
1283 /* 802.11n HT capability MSC set */
1284 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK	0x3ff
1285 #define IEEE80211_HT_MCS_TX_DEFINED		0x01
1286 #define IEEE80211_HT_MCS_TX_RX_DIFF		0x02
1287 /* value 0 == 1 stream etc */
1288 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK	0x0C
1289 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT	2
1290 #define		IEEE80211_HT_MCS_TX_MAX_STREAMS	4
1291 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION	0x10
1292 
1293 /*
1294  * 802.11n D5.0 20.3.5 / 20.6 says:
1295  * - indices 0 to 7 and 32 are single spatial stream
1296  * - 8 to 31 are multiple spatial streams using equal modulation
1297  *   [8..15 for two streams, 16..23 for three and 24..31 for four]
1298  * - remainder are multiple spatial streams using unequal modulation
1299  */
1300 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1301 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1302 	(IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1303 
1304 /**
1305  * struct ieee80211_ht_cap - HT capabilities
1306  *
1307  * This structure is the "HT capabilities element" as
1308  * described in 802.11n D5.0 7.3.2.57
1309  */
1310 struct ieee80211_ht_cap {
1311 	__le16 cap_info;
1312 	u8 ampdu_params_info;
1313 
1314 	/* 16 bytes MCS information */
1315 	struct ieee80211_mcs_info mcs;
1316 
1317 	__le16 extended_ht_cap_info;
1318 	__le32 tx_BF_cap_info;
1319 	u8 antenna_selection_info;
1320 } __packed;
1321 
1322 /* 802.11n HT capabilities masks (for cap_info) */
1323 #define IEEE80211_HT_CAP_LDPC_CODING		0x0001
1324 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40	0x0002
1325 #define IEEE80211_HT_CAP_SM_PS			0x000C
1326 #define		IEEE80211_HT_CAP_SM_PS_SHIFT	2
1327 #define IEEE80211_HT_CAP_GRN_FLD		0x0010
1328 #define IEEE80211_HT_CAP_SGI_20			0x0020
1329 #define IEEE80211_HT_CAP_SGI_40			0x0040
1330 #define IEEE80211_HT_CAP_TX_STBC		0x0080
1331 #define IEEE80211_HT_CAP_RX_STBC		0x0300
1332 #define		IEEE80211_HT_CAP_RX_STBC_SHIFT	8
1333 #define IEEE80211_HT_CAP_DELAY_BA		0x0400
1334 #define IEEE80211_HT_CAP_MAX_AMSDU		0x0800
1335 #define IEEE80211_HT_CAP_DSSSCCK40		0x1000
1336 #define IEEE80211_HT_CAP_RESERVED		0x2000
1337 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT	0x4000
1338 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT		0x8000
1339 
1340 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1341 #define IEEE80211_HT_EXT_CAP_PCO		0x0001
1342 #define IEEE80211_HT_EXT_CAP_PCO_TIME		0x0006
1343 #define		IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT	1
1344 #define IEEE80211_HT_EXT_CAP_MCS_FB		0x0300
1345 #define		IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT	8
1346 #define IEEE80211_HT_EXT_CAP_HTC_SUP		0x0400
1347 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER	0x0800
1348 
1349 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1350 #define IEEE80211_HT_AMPDU_PARM_FACTOR		0x03
1351 #define IEEE80211_HT_AMPDU_PARM_DENSITY		0x1C
1352 #define		IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT	2
1353 
1354 /*
1355  * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1356  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1357  */
1358 enum ieee80211_max_ampdu_length_exp {
1359 	IEEE80211_HT_MAX_AMPDU_8K = 0,
1360 	IEEE80211_HT_MAX_AMPDU_16K = 1,
1361 	IEEE80211_HT_MAX_AMPDU_32K = 2,
1362 	IEEE80211_HT_MAX_AMPDU_64K = 3
1363 };
1364 
1365 /*
1366  * Maximum length of AMPDU that the STA can receive in VHT.
1367  * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1368  */
1369 enum ieee80211_vht_max_ampdu_length_exp {
1370 	IEEE80211_VHT_MAX_AMPDU_8K = 0,
1371 	IEEE80211_VHT_MAX_AMPDU_16K = 1,
1372 	IEEE80211_VHT_MAX_AMPDU_32K = 2,
1373 	IEEE80211_VHT_MAX_AMPDU_64K = 3,
1374 	IEEE80211_VHT_MAX_AMPDU_128K = 4,
1375 	IEEE80211_VHT_MAX_AMPDU_256K = 5,
1376 	IEEE80211_VHT_MAX_AMPDU_512K = 6,
1377 	IEEE80211_VHT_MAX_AMPDU_1024K = 7
1378 };
1379 
1380 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1381 
1382 /* Minimum MPDU start spacing */
1383 enum ieee80211_min_mpdu_spacing {
1384 	IEEE80211_HT_MPDU_DENSITY_NONE = 0,	/* No restriction */
1385 	IEEE80211_HT_MPDU_DENSITY_0_25 = 1,	/* 1/4 usec */
1386 	IEEE80211_HT_MPDU_DENSITY_0_5 = 2,	/* 1/2 usec */
1387 	IEEE80211_HT_MPDU_DENSITY_1 = 3,	/* 1 usec */
1388 	IEEE80211_HT_MPDU_DENSITY_2 = 4,	/* 2 usec */
1389 	IEEE80211_HT_MPDU_DENSITY_4 = 5,	/* 4 usec */
1390 	IEEE80211_HT_MPDU_DENSITY_8 = 6,	/* 8 usec */
1391 	IEEE80211_HT_MPDU_DENSITY_16 = 7	/* 16 usec */
1392 };
1393 
1394 /**
1395  * struct ieee80211_ht_operation - HT operation IE
1396  *
1397  * This structure is the "HT operation element" as
1398  * described in 802.11n-2009 7.3.2.57
1399  */
1400 struct ieee80211_ht_operation {
1401 	u8 primary_chan;
1402 	u8 ht_param;
1403 	__le16 operation_mode;
1404 	__le16 stbc_param;
1405 	u8 basic_set[16];
1406 } __packed;
1407 
1408 /* for ht_param */
1409 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET		0x03
1410 #define		IEEE80211_HT_PARAM_CHA_SEC_NONE		0x00
1411 #define		IEEE80211_HT_PARAM_CHA_SEC_ABOVE	0x01
1412 #define		IEEE80211_HT_PARAM_CHA_SEC_BELOW	0x03
1413 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY		0x04
1414 #define IEEE80211_HT_PARAM_RIFS_MODE			0x08
1415 
1416 /* for operation_mode */
1417 #define IEEE80211_HT_OP_MODE_PROTECTION			0x0003
1418 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONE		0
1419 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER	1
1420 #define		IEEE80211_HT_OP_MODE_PROTECTION_20MHZ		2
1421 #define		IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED	3
1422 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT		0x0004
1423 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT		0x0010
1424 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT		5
1425 #define IEEE80211_HT_OP_MODE_CCFS2_MASK			0x1fe0
1426 
1427 /* for stbc_param */
1428 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON		0x0040
1429 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT		0x0080
1430 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON		0x0100
1431 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT	0x0200
1432 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE		0x0400
1433 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE		0x0800
1434 
1435 
1436 /* block-ack parameters */
1437 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1438 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1439 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1440 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1441 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1442 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1443 
1444 /*
1445  * A-MPDU buffer sizes
1446  * According to HT size varies from 8 to 64 frames
1447  * HE adds the ability to have up to 256 frames.
1448  */
1449 #define IEEE80211_MIN_AMPDU_BUF		0x8
1450 #define IEEE80211_MAX_AMPDU_BUF_HT	0x40
1451 #define IEEE80211_MAX_AMPDU_BUF		0x100
1452 
1453 
1454 /* Spatial Multiplexing Power Save Modes (for capability) */
1455 #define WLAN_HT_CAP_SM_PS_STATIC	0
1456 #define WLAN_HT_CAP_SM_PS_DYNAMIC	1
1457 #define WLAN_HT_CAP_SM_PS_INVALID	2
1458 #define WLAN_HT_CAP_SM_PS_DISABLED	3
1459 
1460 /* for SM power control field lower two bits */
1461 #define WLAN_HT_SMPS_CONTROL_DISABLED	0
1462 #define WLAN_HT_SMPS_CONTROL_STATIC	1
1463 #define WLAN_HT_SMPS_CONTROL_DYNAMIC	3
1464 
1465 /**
1466  * struct ieee80211_vht_mcs_info - VHT MCS information
1467  * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1468  * @rx_highest: Indicates highest long GI VHT PPDU data rate
1469  *	STA can receive. Rate expressed in units of 1 Mbps.
1470  *	If this field is 0 this value should not be used to
1471  *	consider the highest RX data rate supported.
1472  *	The top 3 bits of this field indicate the Maximum NSTS,total
1473  *	(a beamformee capability.)
1474  * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1475  * @tx_highest: Indicates highest long GI VHT PPDU data rate
1476  *	STA can transmit. Rate expressed in units of 1 Mbps.
1477  *	If this field is 0 this value should not be used to
1478  *	consider the highest TX data rate supported.
1479  *	The top 2 bits of this field are reserved, the
1480  *	3rd bit from the top indiciates VHT Extended NSS BW
1481  *	Capability.
1482  */
1483 struct ieee80211_vht_mcs_info {
1484 	__le16 rx_mcs_map;
1485 	__le16 rx_highest;
1486 	__le16 tx_mcs_map;
1487 	__le16 tx_highest;
1488 } __packed;
1489 
1490 /* for rx_highest */
1491 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT	13
1492 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK	(7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1493 
1494 /* for tx_highest */
1495 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE	(1 << 13)
1496 
1497 /**
1498  * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1499  * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1500  *	number of streams
1501  * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1502  * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1503  * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1504  *
1505  * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1506  * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1507  * both split into 8 subfields by number of streams. These values indicate
1508  * which MCSes are supported for the number of streams the value appears
1509  * for.
1510  */
1511 enum ieee80211_vht_mcs_support {
1512 	IEEE80211_VHT_MCS_SUPPORT_0_7	= 0,
1513 	IEEE80211_VHT_MCS_SUPPORT_0_8	= 1,
1514 	IEEE80211_VHT_MCS_SUPPORT_0_9	= 2,
1515 	IEEE80211_VHT_MCS_NOT_SUPPORTED	= 3,
1516 };
1517 
1518 /**
1519  * struct ieee80211_vht_cap - VHT capabilities
1520  *
1521  * This structure is the "VHT capabilities element" as
1522  * described in 802.11ac D3.0 8.4.2.160
1523  * @vht_cap_info: VHT capability info
1524  * @supp_mcs: VHT MCS supported rates
1525  */
1526 struct ieee80211_vht_cap {
1527 	__le32 vht_cap_info;
1528 	struct ieee80211_vht_mcs_info supp_mcs;
1529 } __packed;
1530 
1531 /**
1532  * enum ieee80211_vht_chanwidth - VHT channel width
1533  * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1534  *	determine the channel width (20 or 40 MHz)
1535  * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1536  * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1537  * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1538  */
1539 enum ieee80211_vht_chanwidth {
1540 	IEEE80211_VHT_CHANWIDTH_USE_HT		= 0,
1541 	IEEE80211_VHT_CHANWIDTH_80MHZ		= 1,
1542 	IEEE80211_VHT_CHANWIDTH_160MHZ		= 2,
1543 	IEEE80211_VHT_CHANWIDTH_80P80MHZ	= 3,
1544 };
1545 
1546 /**
1547  * struct ieee80211_vht_operation - VHT operation IE
1548  *
1549  * This structure is the "VHT operation element" as
1550  * described in 802.11ac D3.0 8.4.2.161
1551  * @chan_width: Operating channel width
1552  * @center_freq_seg0_idx: center freq segment 0 index
1553  * @center_freq_seg1_idx: center freq segment 1 index
1554  * @basic_mcs_set: VHT Basic MCS rate set
1555  */
1556 struct ieee80211_vht_operation {
1557 	u8 chan_width;
1558 	u8 center_freq_seg0_idx;
1559 	u8 center_freq_seg1_idx;
1560 	__le16 basic_mcs_set;
1561 } __packed;
1562 
1563 /**
1564  * struct ieee80211_he_cap_elem - HE capabilities element
1565  *
1566  * This structure is the "HE capabilities element" fixed fields as
1567  * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1568  */
1569 struct ieee80211_he_cap_elem {
1570 	u8 mac_cap_info[6];
1571 	u8 phy_cap_info[11];
1572 } __packed;
1573 
1574 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN	5
1575 
1576 /**
1577  * enum ieee80211_he_mcs_support - HE MCS support definitions
1578  * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1579  *	number of streams
1580  * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1581  * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1582  * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1583  *
1584  * These definitions are used in each 2-bit subfield of the rx_mcs_*
1585  * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1586  * both split into 8 subfields by number of streams. These values indicate
1587  * which MCSes are supported for the number of streams the value appears
1588  * for.
1589  */
1590 enum ieee80211_he_mcs_support {
1591 	IEEE80211_HE_MCS_SUPPORT_0_7	= 0,
1592 	IEEE80211_HE_MCS_SUPPORT_0_9	= 1,
1593 	IEEE80211_HE_MCS_SUPPORT_0_11	= 2,
1594 	IEEE80211_HE_MCS_NOT_SUPPORTED	= 3,
1595 };
1596 
1597 /**
1598  * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1599  *
1600  * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1601  * described in P802.11ax_D2.0 section 9.4.2.237.4
1602  *
1603  * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1604  *     widths less than 80MHz.
1605  * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1606  *     widths less than 80MHz.
1607  * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1608  *     width 160MHz.
1609  * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1610  *     width 160MHz.
1611  * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1612  *     channel width 80p80MHz.
1613  * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1614  *     channel width 80p80MHz.
1615  */
1616 struct ieee80211_he_mcs_nss_supp {
1617 	__le16 rx_mcs_80;
1618 	__le16 tx_mcs_80;
1619 	__le16 rx_mcs_160;
1620 	__le16 tx_mcs_160;
1621 	__le16 rx_mcs_80p80;
1622 	__le16 tx_mcs_80p80;
1623 } __packed;
1624 
1625 /**
1626  * struct ieee80211_he_operation - HE capabilities element
1627  *
1628  * This structure is the "HE operation element" fields as
1629  * described in P802.11ax_D4.0 section 9.4.2.243
1630  */
1631 struct ieee80211_he_operation {
1632 	__le32 he_oper_params;
1633 	__le16 he_mcs_nss_set;
1634 	/* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1635 	u8 optional[0];
1636 } __packed;
1637 
1638 /**
1639  * struct ieee80211_he_spr - HE spatial reuse element
1640  *
1641  * This structure is the "HE spatial reuse element" element as
1642  * described in P802.11ax_D4.0 section 9.4.2.241
1643  */
1644 struct ieee80211_he_spr {
1645 	u8 he_sr_control;
1646 	/* Optional 0 to 19 bytes: depends on @he_sr_control */
1647 	u8 optional[0];
1648 } __packed;
1649 
1650 /**
1651  * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1652  *
1653  * This structure is the "MU AC Parameter Record" fields as
1654  * described in P802.11ax_D4.0 section 9.4.2.245
1655  */
1656 struct ieee80211_he_mu_edca_param_ac_rec {
1657 	u8 aifsn;
1658 	u8 ecw_min_max;
1659 	u8 mu_edca_timer;
1660 } __packed;
1661 
1662 /**
1663  * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1664  *
1665  * This structure is the "MU EDCA Parameter Set element" fields as
1666  * described in P802.11ax_D4.0 section 9.4.2.245
1667  */
1668 struct ieee80211_mu_edca_param_set {
1669 	u8 mu_qos_info;
1670 	struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1671 	struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1672 	struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1673 	struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1674 } __packed;
1675 
1676 /* 802.11ac VHT Capabilities */
1677 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895			0x00000000
1678 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991			0x00000001
1679 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454			0x00000002
1680 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK				0x00000003
1681 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ		0x00000004
1682 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ	0x00000008
1683 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK			0x0000000C
1684 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT			2
1685 #define IEEE80211_VHT_CAP_RXLDPC				0x00000010
1686 #define IEEE80211_VHT_CAP_SHORT_GI_80				0x00000020
1687 #define IEEE80211_VHT_CAP_SHORT_GI_160				0x00000040
1688 #define IEEE80211_VHT_CAP_TXSTBC				0x00000080
1689 #define IEEE80211_VHT_CAP_RXSTBC_1				0x00000100
1690 #define IEEE80211_VHT_CAP_RXSTBC_2				0x00000200
1691 #define IEEE80211_VHT_CAP_RXSTBC_3				0x00000300
1692 #define IEEE80211_VHT_CAP_RXSTBC_4				0x00000400
1693 #define IEEE80211_VHT_CAP_RXSTBC_MASK				0x00000700
1694 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT				8
1695 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE			0x00000800
1696 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE			0x00001000
1697 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT                  13
1698 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK			\
1699 		(7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1700 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT		16
1701 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK		\
1702 		(7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1703 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE			0x00080000
1704 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE			0x00100000
1705 #define IEEE80211_VHT_CAP_VHT_TXOP_PS				0x00200000
1706 #define IEEE80211_VHT_CAP_HTC_VHT				0x00400000
1707 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT	23
1708 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK	\
1709 		(7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1710 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB	0x08000000
1711 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB	0x0c000000
1712 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN			0x10000000
1713 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN			0x20000000
1714 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT			30
1715 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK			0xc0000000
1716 
1717 /**
1718  * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1719  * @cap: VHT capabilities of the peer
1720  * @bw: bandwidth to use
1721  * @mcs: MCS index to use
1722  * @ext_nss_bw_capable: indicates whether or not the local transmitter
1723  *	(rate scaling algorithm) can deal with the new logic
1724  *	(dot11VHTExtendedNSSBWCapable)
1725  *
1726  * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1727  * vary for a given BW/MCS. This function parses the data.
1728  *
1729  * Note: This function is exported by cfg80211.
1730  */
1731 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1732 			      enum ieee80211_vht_chanwidth bw,
1733 			      int mcs, bool ext_nss_bw_capable);
1734 
1735 /* 802.11ax HE MAC capabilities */
1736 #define IEEE80211_HE_MAC_CAP0_HTC_HE				0x01
1737 #define IEEE80211_HE_MAC_CAP0_TWT_REQ				0x02
1738 #define IEEE80211_HE_MAC_CAP0_TWT_RES				0x04
1739 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP		0x00
1740 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1		0x08
1741 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2		0x10
1742 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3		0x18
1743 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK			0x18
1744 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1		0x00
1745 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2		0x20
1746 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4		0x40
1747 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8		0x60
1748 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16		0x80
1749 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32		0xa0
1750 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64		0xc0
1751 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED	0xe0
1752 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK		0xe0
1753 
1754 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED		0x00
1755 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128			0x01
1756 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256			0x02
1757 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512			0x03
1758 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK		0x03
1759 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US		0x00
1760 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US		0x04
1761 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US		0x08
1762 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK		0x0c
1763 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1		0x00
1764 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2		0x10
1765 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3		0x20
1766 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4		0x30
1767 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5		0x40
1768 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6		0x50
1769 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7		0x60
1770 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8		0x70
1771 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK		0x70
1772 
1773 /* Link adaptation is split between byte HE_MAC_CAP1 and
1774  * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1775  * in which case the following values apply:
1776  * 0 = No feedback.
1777  * 1 = reserved.
1778  * 2 = Unsolicited feedback.
1779  * 3 = both
1780  */
1781 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION			0x80
1782 
1783 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION			0x01
1784 #define IEEE80211_HE_MAC_CAP2_ALL_ACK				0x02
1785 #define IEEE80211_HE_MAC_CAP2_TRS				0x04
1786 #define IEEE80211_HE_MAC_CAP2_BSR				0x08
1787 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT				0x10
1788 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP			0x20
1789 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING			0x40
1790 #define IEEE80211_HE_MAC_CAP2_ACK_EN				0x80
1791 
1792 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL			0x02
1793 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA				0x04
1794 
1795 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
1796  * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1797  * same field in the HE capabilities.
1798  */
1799 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT	0x00
1800 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1		0x08
1801 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2		0x10
1802 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED	0x18
1803 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK		0x18
1804 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG			0x20
1805 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED			0x40
1806 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS		0x80
1807 
1808 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG		0x01
1809 #define IEEE80211_HE_MAC_CAP4_QTP				0x02
1810 #define IEEE80211_HE_MAC_CAP4_BQR				0x04
1811 #define IEEE80211_HE_MAC_CAP4_SRP_RESP				0x08
1812 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP			0x10
1813 #define IEEE80211_HE_MAC_CAP4_OPS				0x20
1814 #define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU			0x40
1815 /* Multi TID agg TX is split between byte #4 and #5
1816  * The value is a combination of B39,B40,B41
1817  */
1818 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39		0x80
1819 
1820 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40		0x01
1821 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41		0x02
1822 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION	0x04
1823 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU			0x08
1824 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX		0x10
1825 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS			0x20
1826 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING		0x40
1827 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX		0x80
1828 
1829 /* 802.11ax HE PHY capabilities */
1830 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G		0x02
1831 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G	0x04
1832 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G		0x08
1833 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G	0x10
1834 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G	0x20
1835 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G	0x40
1836 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK			0xfe
1837 
1838 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ	0x01
1839 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ	0x02
1840 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ	0x04
1841 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ	0x08
1842 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK			0x0f
1843 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A				0x10
1844 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD			0x20
1845 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US		0x40
1846 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1847 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS			0x80
1848 
1849 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS			0x01
1850 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US			0x02
1851 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ			0x04
1852 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ			0x08
1853 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX				0x10
1854 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX				0x20
1855 
1856 /* Note that the meaning of UL MU below is different between an AP and a non-AP
1857  * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1858  * case it indicates support for Tx.
1859  */
1860 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO			0x40
1861 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO			0x80
1862 
1863 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM			0x00
1864 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK			0x01
1865 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK			0x02
1866 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM			0x03
1867 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK			0x03
1868 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1				0x00
1869 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2				0x04
1870 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM			0x00
1871 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK			0x08
1872 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK			0x10
1873 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM			0x18
1874 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK			0x18
1875 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1				0x00
1876 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2				0x20
1877 #define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA		0x40
1878 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER				0x80
1879 
1880 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE				0x01
1881 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER				0x02
1882 
1883 /* Minimal allowed value of Max STS under 80MHz is 3 */
1884 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4		0x0c
1885 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5		0x10
1886 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6		0x14
1887 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7		0x18
1888 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8		0x1c
1889 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK	0x1c
1890 
1891 /* Minimal allowed value of Max STS above 80MHz is 3 */
1892 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4		0x60
1893 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5		0x80
1894 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6		0xa0
1895 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7		0xc0
1896 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8		0xe0
1897 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK	0xe0
1898 
1899 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1	0x00
1900 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2	0x01
1901 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3	0x02
1902 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4	0x03
1903 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5	0x04
1904 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6	0x05
1905 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7	0x06
1906 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8	0x07
1907 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK	0x07
1908 
1909 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1	0x00
1910 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2	0x08
1911 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3	0x10
1912 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4	0x18
1913 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5	0x20
1914 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6	0x28
1915 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7	0x30
1916 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8	0x38
1917 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK	0x38
1918 
1919 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK				0x40
1920 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK				0x80
1921 
1922 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU			0x01
1923 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU			0x02
1924 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB			0x04
1925 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB			0x08
1926 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB				0x10
1927 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE			0x20
1928 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO		0x40
1929 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT			0x80
1930 
1931 #define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR				0x01
1932 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR			0x02
1933 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI		0x04
1934 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1					0x08
1935 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2					0x10
1936 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3					0x18
1937 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4					0x20
1938 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5					0x28
1939 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6					0x30
1940 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7					0x38
1941 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK				0x38
1942 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ			0x40
1943 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ			0x80
1944 
1945 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI		0x01
1946 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G		0x02
1947 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU			0x04
1948 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU			0x08
1949 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI		0x10
1950 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF		0x20
1951 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242				0x00
1952 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484				0x40
1953 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996				0x80
1954 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996				0xc0
1955 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK				0xc0
1956 
1957 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM		0x01
1958 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK		0x02
1959 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU		0x04
1960 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU		0x08
1961 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB	0x10
1962 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB	0x20
1963 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US			0x00
1964 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US			0x40
1965 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US			0x80
1966 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED		0xc0
1967 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK			0xc0
1968 
1969 /* 802.11ax HE TX/RX MCS NSS Support  */
1970 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS			(3)
1971 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS			(6)
1972 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS			(11)
1973 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK			0x07c0
1974 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK			0xf800
1975 
1976 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
1977 enum ieee80211_he_highest_mcs_supported_subfield_enc {
1978 	HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1979 	HIGHEST_MCS_SUPPORTED_MCS8,
1980 	HIGHEST_MCS_SUPPORTED_MCS9,
1981 	HIGHEST_MCS_SUPPORTED_MCS10,
1982 	HIGHEST_MCS_SUPPORTED_MCS11,
1983 };
1984 
1985 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1986 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)1987 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1988 {
1989 	u8 count = 4;
1990 
1991 	if (he_cap->phy_cap_info[0] &
1992 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1993 		count += 4;
1994 
1995 	if (he_cap->phy_cap_info[0] &
1996 	    IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1997 		count += 4;
1998 
1999 	return count;
2000 }
2001 
2002 /* 802.11ax HE PPE Thresholds */
2003 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS			(1)
2004 #define IEEE80211_PPE_THRES_NSS_POS				(0)
2005 #define IEEE80211_PPE_THRES_NSS_MASK				(7)
2006 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU	\
2007 	(BIT(5) | BIT(6))
2008 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK		0x78
2009 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS		(3)
2010 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE			(3)
2011 
2012 /*
2013  * Calculate 802.11ax HE capabilities IE PPE field size
2014  * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2015  */
2016 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2017 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2018 {
2019 	u8 n;
2020 
2021 	if ((phy_cap_info[6] &
2022 	     IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2023 		return 0;
2024 
2025 	n = hweight8(ppe_thres_hdr &
2026 		     IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2027 	n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2028 		   IEEE80211_PPE_THRES_NSS_POS));
2029 
2030 	/*
2031 	 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2032 	 * total size.
2033 	 */
2034 	n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2035 	n = DIV_ROUND_UP(n, 8);
2036 
2037 	return n;
2038 }
2039 
2040 /* HE Operation defines */
2041 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK		0x00000003
2042 #define IEEE80211_HE_OPERATION_TWT_REQUIRED			0x00000008
2043 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK		0x00003ff0
2044 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET		4
2045 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO			0x00004000
2046 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS			0x00008000
2047 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE			0x00010000
2048 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO			0x00020000
2049 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK			0x3f000000
2050 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET		24
2051 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR		0x40000000
2052 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED		0x80000000
2053 
2054 /*
2055  * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2056  * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2057  *	after the ext ID byte. It is assumed that he_oper_ie has at least
2058  *	sizeof(struct ieee80211_he_operation) bytes, the caller must have
2059  *	validated this.
2060  * @return the actual size of the IE data (not including header), or 0 on error
2061  */
2062 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2063 ieee80211_he_oper_size(const u8 *he_oper_ie)
2064 {
2065 	struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2066 	u8 oper_len = sizeof(struct ieee80211_he_operation);
2067 	u32 he_oper_params;
2068 
2069 	/* Make sure the input is not NULL */
2070 	if (!he_oper_ie)
2071 		return 0;
2072 
2073 	/* Calc required length */
2074 	he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2075 	if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2076 		oper_len += 3;
2077 	if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2078 		oper_len++;
2079 	if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2080 		oper_len += 4;
2081 
2082 	/* Add the first byte (extension ID) to the total length */
2083 	oper_len++;
2084 
2085 	return oper_len;
2086 }
2087 
2088 /* HE Spatial Reuse defines */
2089 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT			0x4
2090 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT		0x8
2091 
2092 /*
2093  * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2094  * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the the byte
2095  *	after the ext ID byte. It is assumed that he_spr_ie has at least
2096  *	sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2097  *	this
2098  * @return the actual size of the IE data (not including header), or 0 on error
2099  */
2100 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2101 ieee80211_he_spr_size(const u8 *he_spr_ie)
2102 {
2103 	struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2104 	u8 spr_len = sizeof(struct ieee80211_he_spr);
2105 	u32 he_spr_params;
2106 
2107 	/* Make sure the input is not NULL */
2108 	if (!he_spr_ie)
2109 		return 0;
2110 
2111 	/* Calc required length */
2112 	he_spr_params = le32_to_cpu(he_spr->he_sr_control);
2113 	if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2114 		spr_len++;
2115 	if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2116 		spr_len += 18;
2117 
2118 	/* Add the first byte (extension ID) to the total length */
2119 	spr_len++;
2120 
2121 	return spr_len;
2122 }
2123 
2124 /* Authentication algorithms */
2125 #define WLAN_AUTH_OPEN 0
2126 #define WLAN_AUTH_SHARED_KEY 1
2127 #define WLAN_AUTH_FT 2
2128 #define WLAN_AUTH_SAE 3
2129 #define WLAN_AUTH_FILS_SK 4
2130 #define WLAN_AUTH_FILS_SK_PFS 5
2131 #define WLAN_AUTH_FILS_PK 6
2132 #define WLAN_AUTH_LEAP 128
2133 
2134 #define WLAN_AUTH_CHALLENGE_LEN 128
2135 
2136 #define WLAN_CAPABILITY_ESS		(1<<0)
2137 #define WLAN_CAPABILITY_IBSS		(1<<1)
2138 
2139 /*
2140  * A mesh STA sets the ESS and IBSS capability bits to zero.
2141  * however, this holds true for p2p probe responses (in the p2p_find
2142  * phase) as well.
2143  */
2144 #define WLAN_CAPABILITY_IS_STA_BSS(cap)	\
2145 	(!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2146 
2147 #define WLAN_CAPABILITY_CF_POLLABLE	(1<<2)
2148 #define WLAN_CAPABILITY_CF_POLL_REQUEST	(1<<3)
2149 #define WLAN_CAPABILITY_PRIVACY		(1<<4)
2150 #define WLAN_CAPABILITY_SHORT_PREAMBLE	(1<<5)
2151 #define WLAN_CAPABILITY_PBCC		(1<<6)
2152 #define WLAN_CAPABILITY_CHANNEL_AGILITY	(1<<7)
2153 
2154 /* 802.11h */
2155 #define WLAN_CAPABILITY_SPECTRUM_MGMT	(1<<8)
2156 #define WLAN_CAPABILITY_QOS		(1<<9)
2157 #define WLAN_CAPABILITY_SHORT_SLOT_TIME	(1<<10)
2158 #define WLAN_CAPABILITY_APSD		(1<<11)
2159 #define WLAN_CAPABILITY_RADIO_MEASURE	(1<<12)
2160 #define WLAN_CAPABILITY_DSSS_OFDM	(1<<13)
2161 #define WLAN_CAPABILITY_DEL_BACK	(1<<14)
2162 #define WLAN_CAPABILITY_IMM_BACK	(1<<15)
2163 
2164 /* DMG (60gHz) 802.11ad */
2165 /* type - bits 0..1 */
2166 #define WLAN_CAPABILITY_DMG_TYPE_MASK		(3<<0)
2167 #define WLAN_CAPABILITY_DMG_TYPE_IBSS		(1<<0) /* Tx by: STA */
2168 #define WLAN_CAPABILITY_DMG_TYPE_PBSS		(2<<0) /* Tx by: PCP */
2169 #define WLAN_CAPABILITY_DMG_TYPE_AP		(3<<0) /* Tx by: AP */
2170 
2171 #define WLAN_CAPABILITY_DMG_CBAP_ONLY		(1<<2)
2172 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE		(1<<3)
2173 #define WLAN_CAPABILITY_DMG_PRIVACY		(1<<4)
2174 #define WLAN_CAPABILITY_DMG_ECPAC		(1<<5)
2175 
2176 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT	(1<<8)
2177 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE	(1<<12)
2178 
2179 /* measurement */
2180 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE	(1<<0)
2181 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE	(1<<1)
2182 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED	(1<<2)
2183 
2184 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC	0
2185 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA	1
2186 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI	2
2187 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI	8
2188 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC	11
2189 
2190 /* 802.11g ERP information element */
2191 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2192 #define WLAN_ERP_USE_PROTECTION (1<<1)
2193 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2194 
2195 /* WLAN_ERP_BARKER_PREAMBLE values */
2196 enum {
2197 	WLAN_ERP_PREAMBLE_SHORT = 0,
2198 	WLAN_ERP_PREAMBLE_LONG = 1,
2199 };
2200 
2201 /* Band ID, 802.11ad #8.4.1.45 */
2202 enum {
2203 	IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2204 	IEEE80211_BANDID_SUB1  = 1, /* Sub-1 GHz (excluding TV white spaces) */
2205 	IEEE80211_BANDID_2G    = 2, /* 2.4 GHz */
2206 	IEEE80211_BANDID_3G    = 3, /* 3.6 GHz */
2207 	IEEE80211_BANDID_5G    = 4, /* 4.9 and 5 GHz */
2208 	IEEE80211_BANDID_60G   = 5, /* 60 GHz */
2209 };
2210 
2211 /* Status codes */
2212 enum ieee80211_statuscode {
2213 	WLAN_STATUS_SUCCESS = 0,
2214 	WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2215 	WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2216 	WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2217 	WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2218 	WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2219 	WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2220 	WLAN_STATUS_CHALLENGE_FAIL = 15,
2221 	WLAN_STATUS_AUTH_TIMEOUT = 16,
2222 	WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2223 	WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2224 	/* 802.11b */
2225 	WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2226 	WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2227 	WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2228 	/* 802.11h */
2229 	WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2230 	WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2231 	WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2232 	/* 802.11g */
2233 	WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2234 	WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2235 	/* 802.11w */
2236 	WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2237 	WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2238 	/* 802.11i */
2239 	WLAN_STATUS_INVALID_IE = 40,
2240 	WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2241 	WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2242 	WLAN_STATUS_INVALID_AKMP = 43,
2243 	WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2244 	WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2245 	WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2246 	/* 802.11e */
2247 	WLAN_STATUS_UNSPECIFIED_QOS = 32,
2248 	WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2249 	WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2250 	WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2251 	WLAN_STATUS_REQUEST_DECLINED = 37,
2252 	WLAN_STATUS_INVALID_QOS_PARAM = 38,
2253 	WLAN_STATUS_CHANGE_TSPEC = 39,
2254 	WLAN_STATUS_WAIT_TS_DELAY = 47,
2255 	WLAN_STATUS_NO_DIRECT_LINK = 48,
2256 	WLAN_STATUS_STA_NOT_PRESENT = 49,
2257 	WLAN_STATUS_STA_NOT_QSTA = 50,
2258 	/* 802.11s */
2259 	WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2260 	WLAN_STATUS_FCG_NOT_SUPP = 78,
2261 	WLAN_STATUS_STA_NO_TBTT = 78,
2262 	/* 802.11ad */
2263 	WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2264 	WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2265 	WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2266 	WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2267 	WLAN_STATUS_PERFORMING_FST_NOW = 87,
2268 	WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2269 	WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2270 	WLAN_STATUS_REJECT_DSE_BAND = 96,
2271 	WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2272 	WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2273 	/* 802.11ai */
2274 	WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2275 	WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2276 };
2277 
2278 
2279 /* Reason codes */
2280 enum ieee80211_reasoncode {
2281 	WLAN_REASON_UNSPECIFIED = 1,
2282 	WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2283 	WLAN_REASON_DEAUTH_LEAVING = 3,
2284 	WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2285 	WLAN_REASON_DISASSOC_AP_BUSY = 5,
2286 	WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2287 	WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2288 	WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2289 	WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2290 	/* 802.11h */
2291 	WLAN_REASON_DISASSOC_BAD_POWER = 10,
2292 	WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2293 	/* 802.11i */
2294 	WLAN_REASON_INVALID_IE = 13,
2295 	WLAN_REASON_MIC_FAILURE = 14,
2296 	WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2297 	WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2298 	WLAN_REASON_IE_DIFFERENT = 17,
2299 	WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2300 	WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2301 	WLAN_REASON_INVALID_AKMP = 20,
2302 	WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2303 	WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2304 	WLAN_REASON_IEEE8021X_FAILED = 23,
2305 	WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2306 	/* TDLS (802.11z) */
2307 	WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2308 	WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2309 	/* 802.11e */
2310 	WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2311 	WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2312 	WLAN_REASON_DISASSOC_LOW_ACK = 34,
2313 	WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2314 	WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2315 	WLAN_REASON_QSTA_NOT_USE = 37,
2316 	WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2317 	WLAN_REASON_QSTA_TIMEOUT = 39,
2318 	WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2319 	/* 802.11s */
2320 	WLAN_REASON_MESH_PEER_CANCELED = 52,
2321 	WLAN_REASON_MESH_MAX_PEERS = 53,
2322 	WLAN_REASON_MESH_CONFIG = 54,
2323 	WLAN_REASON_MESH_CLOSE = 55,
2324 	WLAN_REASON_MESH_MAX_RETRIES = 56,
2325 	WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2326 	WLAN_REASON_MESH_INVALID_GTK = 58,
2327 	WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2328 	WLAN_REASON_MESH_INVALID_SECURITY = 60,
2329 	WLAN_REASON_MESH_PATH_ERROR = 61,
2330 	WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2331 	WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2332 	WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2333 	WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2334 	WLAN_REASON_MESH_CHAN = 66,
2335 };
2336 
2337 
2338 /* Information Element IDs */
2339 enum ieee80211_eid {
2340 	WLAN_EID_SSID = 0,
2341 	WLAN_EID_SUPP_RATES = 1,
2342 	WLAN_EID_FH_PARAMS = 2, /* reserved now */
2343 	WLAN_EID_DS_PARAMS = 3,
2344 	WLAN_EID_CF_PARAMS = 4,
2345 	WLAN_EID_TIM = 5,
2346 	WLAN_EID_IBSS_PARAMS = 6,
2347 	WLAN_EID_COUNTRY = 7,
2348 	/* 8, 9 reserved */
2349 	WLAN_EID_REQUEST = 10,
2350 	WLAN_EID_QBSS_LOAD = 11,
2351 	WLAN_EID_EDCA_PARAM_SET = 12,
2352 	WLAN_EID_TSPEC = 13,
2353 	WLAN_EID_TCLAS = 14,
2354 	WLAN_EID_SCHEDULE = 15,
2355 	WLAN_EID_CHALLENGE = 16,
2356 	/* 17-31 reserved for challenge text extension */
2357 	WLAN_EID_PWR_CONSTRAINT = 32,
2358 	WLAN_EID_PWR_CAPABILITY = 33,
2359 	WLAN_EID_TPC_REQUEST = 34,
2360 	WLAN_EID_TPC_REPORT = 35,
2361 	WLAN_EID_SUPPORTED_CHANNELS = 36,
2362 	WLAN_EID_CHANNEL_SWITCH = 37,
2363 	WLAN_EID_MEASURE_REQUEST = 38,
2364 	WLAN_EID_MEASURE_REPORT = 39,
2365 	WLAN_EID_QUIET = 40,
2366 	WLAN_EID_IBSS_DFS = 41,
2367 	WLAN_EID_ERP_INFO = 42,
2368 	WLAN_EID_TS_DELAY = 43,
2369 	WLAN_EID_TCLAS_PROCESSING = 44,
2370 	WLAN_EID_HT_CAPABILITY = 45,
2371 	WLAN_EID_QOS_CAPA = 46,
2372 	/* 47 reserved for Broadcom */
2373 	WLAN_EID_RSN = 48,
2374 	WLAN_EID_802_15_COEX = 49,
2375 	WLAN_EID_EXT_SUPP_RATES = 50,
2376 	WLAN_EID_AP_CHAN_REPORT = 51,
2377 	WLAN_EID_NEIGHBOR_REPORT = 52,
2378 	WLAN_EID_RCPI = 53,
2379 	WLAN_EID_MOBILITY_DOMAIN = 54,
2380 	WLAN_EID_FAST_BSS_TRANSITION = 55,
2381 	WLAN_EID_TIMEOUT_INTERVAL = 56,
2382 	WLAN_EID_RIC_DATA = 57,
2383 	WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2384 	WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2385 	WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2386 	WLAN_EID_HT_OPERATION = 61,
2387 	WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2388 	WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2389 	WLAN_EID_ANTENNA_INFO = 64,
2390 	WLAN_EID_RSNI = 65,
2391 	WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2392 	WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2393 	WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2394 	WLAN_EID_TIME_ADVERTISEMENT = 69,
2395 	WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2396 	WLAN_EID_MULTIPLE_BSSID = 71,
2397 	WLAN_EID_BSS_COEX_2040 = 72,
2398 	WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2399 	WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2400 	WLAN_EID_RIC_DESCRIPTOR = 75,
2401 	WLAN_EID_MMIE = 76,
2402 	WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2403 	WLAN_EID_EVENT_REQUEST = 78,
2404 	WLAN_EID_EVENT_REPORT = 79,
2405 	WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2406 	WLAN_EID_DIAGNOSTIC_REPORT = 81,
2407 	WLAN_EID_LOCATION_PARAMS = 82,
2408 	WLAN_EID_NON_TX_BSSID_CAP =  83,
2409 	WLAN_EID_SSID_LIST = 84,
2410 	WLAN_EID_MULTI_BSSID_IDX = 85,
2411 	WLAN_EID_FMS_DESCRIPTOR = 86,
2412 	WLAN_EID_FMS_REQUEST = 87,
2413 	WLAN_EID_FMS_RESPONSE = 88,
2414 	WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2415 	WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2416 	WLAN_EID_TSF_REQUEST = 91,
2417 	WLAN_EID_TSF_RESPOSNE = 92,
2418 	WLAN_EID_WNM_SLEEP_MODE = 93,
2419 	WLAN_EID_TIM_BCAST_REQ = 94,
2420 	WLAN_EID_TIM_BCAST_RESP = 95,
2421 	WLAN_EID_COLL_IF_REPORT = 96,
2422 	WLAN_EID_CHANNEL_USAGE = 97,
2423 	WLAN_EID_TIME_ZONE = 98,
2424 	WLAN_EID_DMS_REQUEST = 99,
2425 	WLAN_EID_DMS_RESPONSE = 100,
2426 	WLAN_EID_LINK_ID = 101,
2427 	WLAN_EID_WAKEUP_SCHEDUL = 102,
2428 	/* 103 reserved */
2429 	WLAN_EID_CHAN_SWITCH_TIMING = 104,
2430 	WLAN_EID_PTI_CONTROL = 105,
2431 	WLAN_EID_PU_BUFFER_STATUS = 106,
2432 	WLAN_EID_INTERWORKING = 107,
2433 	WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2434 	WLAN_EID_EXPEDITED_BW_REQ = 109,
2435 	WLAN_EID_QOS_MAP_SET = 110,
2436 	WLAN_EID_ROAMING_CONSORTIUM = 111,
2437 	WLAN_EID_EMERGENCY_ALERT = 112,
2438 	WLAN_EID_MESH_CONFIG = 113,
2439 	WLAN_EID_MESH_ID = 114,
2440 	WLAN_EID_LINK_METRIC_REPORT = 115,
2441 	WLAN_EID_CONGESTION_NOTIFICATION = 116,
2442 	WLAN_EID_PEER_MGMT = 117,
2443 	WLAN_EID_CHAN_SWITCH_PARAM = 118,
2444 	WLAN_EID_MESH_AWAKE_WINDOW = 119,
2445 	WLAN_EID_BEACON_TIMING = 120,
2446 	WLAN_EID_MCCAOP_SETUP_REQ = 121,
2447 	WLAN_EID_MCCAOP_SETUP_RESP = 122,
2448 	WLAN_EID_MCCAOP_ADVERT = 123,
2449 	WLAN_EID_MCCAOP_TEARDOWN = 124,
2450 	WLAN_EID_GANN = 125,
2451 	WLAN_EID_RANN = 126,
2452 	WLAN_EID_EXT_CAPABILITY = 127,
2453 	/* 128, 129 reserved for Agere */
2454 	WLAN_EID_PREQ = 130,
2455 	WLAN_EID_PREP = 131,
2456 	WLAN_EID_PERR = 132,
2457 	/* 133-136 reserved for Cisco */
2458 	WLAN_EID_PXU = 137,
2459 	WLAN_EID_PXUC = 138,
2460 	WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2461 	WLAN_EID_MIC = 140,
2462 	WLAN_EID_DESTINATION_URI = 141,
2463 	WLAN_EID_UAPSD_COEX = 142,
2464 	WLAN_EID_WAKEUP_SCHEDULE = 143,
2465 	WLAN_EID_EXT_SCHEDULE = 144,
2466 	WLAN_EID_STA_AVAILABILITY = 145,
2467 	WLAN_EID_DMG_TSPEC = 146,
2468 	WLAN_EID_DMG_AT = 147,
2469 	WLAN_EID_DMG_CAP = 148,
2470 	/* 149 reserved for Cisco */
2471 	WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2472 	WLAN_EID_DMG_OPERATION = 151,
2473 	WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2474 	WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2475 	WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2476 	/* 155-156 reserved for Cisco */
2477 	WLAN_EID_AWAKE_WINDOW = 157,
2478 	WLAN_EID_MULTI_BAND = 158,
2479 	WLAN_EID_ADDBA_EXT = 159,
2480 	WLAN_EID_NEXT_PCP_LIST = 160,
2481 	WLAN_EID_PCP_HANDOVER = 161,
2482 	WLAN_EID_DMG_LINK_MARGIN = 162,
2483 	WLAN_EID_SWITCHING_STREAM = 163,
2484 	WLAN_EID_SESSION_TRANSITION = 164,
2485 	WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2486 	WLAN_EID_CLUSTER_REPORT = 166,
2487 	WLAN_EID_RELAY_CAP = 167,
2488 	WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2489 	WLAN_EID_BEAM_LINK_MAINT = 169,
2490 	WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2491 	WLAN_EID_U_PID = 171,
2492 	WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2493 	/* 173 reserved for Symbol */
2494 	WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2495 	WLAN_EID_QUIET_PERIOD_REQ = 175,
2496 	/* 176 reserved for Symbol */
2497 	WLAN_EID_QUIET_PERIOD_RESP = 177,
2498 	/* 178-179 reserved for Symbol */
2499 	/* 180 reserved for ISO/IEC 20011 */
2500 	WLAN_EID_EPAC_POLICY = 182,
2501 	WLAN_EID_CLISTER_TIME_OFF = 183,
2502 	WLAN_EID_INTER_AC_PRIO = 184,
2503 	WLAN_EID_SCS_DESCRIPTOR = 185,
2504 	WLAN_EID_QLOAD_REPORT = 186,
2505 	WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2506 	WLAN_EID_HL_STREAM_ID = 188,
2507 	WLAN_EID_GCR_GROUP_ADDR = 189,
2508 	WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2509 	WLAN_EID_VHT_CAPABILITY = 191,
2510 	WLAN_EID_VHT_OPERATION = 192,
2511 	WLAN_EID_EXTENDED_BSS_LOAD = 193,
2512 	WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2513 	WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2514 	WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2515 	WLAN_EID_AID = 197,
2516 	WLAN_EID_QUIET_CHANNEL = 198,
2517 	WLAN_EID_OPMODE_NOTIF = 199,
2518 
2519 	WLAN_EID_VENDOR_SPECIFIC = 221,
2520 	WLAN_EID_QOS_PARAMETER = 222,
2521 	WLAN_EID_CAG_NUMBER = 237,
2522 	WLAN_EID_AP_CSN = 239,
2523 	WLAN_EID_FILS_INDICATION = 240,
2524 	WLAN_EID_DILS = 241,
2525 	WLAN_EID_FRAGMENT = 242,
2526 	WLAN_EID_EXTENSION = 255
2527 };
2528 
2529 /* Element ID Extensions for Element ID 255 */
2530 enum ieee80211_eid_ext {
2531 	WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2532 	WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2533 	WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2534 	WLAN_EID_EXT_FILS_SESSION = 4,
2535 	WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2536 	WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2537 	WLAN_EID_EXT_KEY_DELIVERY = 7,
2538 	WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2539 	WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2540 	WLAN_EID_EXT_FILS_NONCE = 13,
2541 	WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2542 	WLAN_EID_EXT_HE_CAPABILITY = 35,
2543 	WLAN_EID_EXT_HE_OPERATION = 36,
2544 	WLAN_EID_EXT_UORA = 37,
2545 	WLAN_EID_EXT_HE_MU_EDCA = 38,
2546 	WLAN_EID_EXT_HE_SPR = 39,
2547 	WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2548 	WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2549 	WLAN_EID_EXT_NON_INHERITANCE = 56,
2550 };
2551 
2552 /* Action category code */
2553 enum ieee80211_category {
2554 	WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2555 	WLAN_CATEGORY_QOS = 1,
2556 	WLAN_CATEGORY_DLS = 2,
2557 	WLAN_CATEGORY_BACK = 3,
2558 	WLAN_CATEGORY_PUBLIC = 4,
2559 	WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2560 	WLAN_CATEGORY_HT = 7,
2561 	WLAN_CATEGORY_SA_QUERY = 8,
2562 	WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2563 	WLAN_CATEGORY_WNM = 10,
2564 	WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2565 	WLAN_CATEGORY_TDLS = 12,
2566 	WLAN_CATEGORY_MESH_ACTION = 13,
2567 	WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2568 	WLAN_CATEGORY_SELF_PROTECTED = 15,
2569 	WLAN_CATEGORY_DMG = 16,
2570 	WLAN_CATEGORY_WMM = 17,
2571 	WLAN_CATEGORY_FST = 18,
2572 	WLAN_CATEGORY_UNPROT_DMG = 20,
2573 	WLAN_CATEGORY_VHT = 21,
2574 	WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2575 	WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2576 };
2577 
2578 /* SPECTRUM_MGMT action code */
2579 enum ieee80211_spectrum_mgmt_actioncode {
2580 	WLAN_ACTION_SPCT_MSR_REQ = 0,
2581 	WLAN_ACTION_SPCT_MSR_RPRT = 1,
2582 	WLAN_ACTION_SPCT_TPC_REQ = 2,
2583 	WLAN_ACTION_SPCT_TPC_RPRT = 3,
2584 	WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2585 };
2586 
2587 /* HT action codes */
2588 enum ieee80211_ht_actioncode {
2589 	WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2590 	WLAN_HT_ACTION_SMPS = 1,
2591 	WLAN_HT_ACTION_PSMP = 2,
2592 	WLAN_HT_ACTION_PCO_PHASE = 3,
2593 	WLAN_HT_ACTION_CSI = 4,
2594 	WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2595 	WLAN_HT_ACTION_COMPRESSED_BF = 6,
2596 	WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2597 };
2598 
2599 /* VHT action codes */
2600 enum ieee80211_vht_actioncode {
2601 	WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2602 	WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2603 	WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2604 };
2605 
2606 /* Self Protected Action codes */
2607 enum ieee80211_self_protected_actioncode {
2608 	WLAN_SP_RESERVED = 0,
2609 	WLAN_SP_MESH_PEERING_OPEN = 1,
2610 	WLAN_SP_MESH_PEERING_CONFIRM = 2,
2611 	WLAN_SP_MESH_PEERING_CLOSE = 3,
2612 	WLAN_SP_MGK_INFORM = 4,
2613 	WLAN_SP_MGK_ACK = 5,
2614 };
2615 
2616 /* Mesh action codes */
2617 enum ieee80211_mesh_actioncode {
2618 	WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2619 	WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2620 	WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2621 	WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2622 	WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2623 	WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2624 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2625 	WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2626 	WLAN_MESH_ACTION_MCCA_TEARDOWN,
2627 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2628 	WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2629 };
2630 
2631 /* Security key length */
2632 enum ieee80211_key_len {
2633 	WLAN_KEY_LEN_WEP40 = 5,
2634 	WLAN_KEY_LEN_WEP104 = 13,
2635 	WLAN_KEY_LEN_CCMP = 16,
2636 	WLAN_KEY_LEN_CCMP_256 = 32,
2637 	WLAN_KEY_LEN_TKIP = 32,
2638 	WLAN_KEY_LEN_AES_CMAC = 16,
2639 	WLAN_KEY_LEN_SMS4 = 32,
2640 	WLAN_KEY_LEN_GCMP = 16,
2641 	WLAN_KEY_LEN_GCMP_256 = 32,
2642 	WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2643 	WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2644 	WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2645 };
2646 
2647 #define IEEE80211_WEP_IV_LEN		4
2648 #define IEEE80211_WEP_ICV_LEN		4
2649 #define IEEE80211_CCMP_HDR_LEN		8
2650 #define IEEE80211_CCMP_MIC_LEN		8
2651 #define IEEE80211_CCMP_PN_LEN		6
2652 #define IEEE80211_CCMP_256_HDR_LEN	8
2653 #define IEEE80211_CCMP_256_MIC_LEN	16
2654 #define IEEE80211_CCMP_256_PN_LEN	6
2655 #define IEEE80211_TKIP_IV_LEN		8
2656 #define IEEE80211_TKIP_ICV_LEN		4
2657 #define IEEE80211_CMAC_PN_LEN		6
2658 #define IEEE80211_GMAC_PN_LEN		6
2659 #define IEEE80211_GCMP_HDR_LEN		8
2660 #define IEEE80211_GCMP_MIC_LEN		16
2661 #define IEEE80211_GCMP_PN_LEN		6
2662 
2663 #define FILS_NONCE_LEN			16
2664 #define FILS_MAX_KEK_LEN		64
2665 
2666 #define FILS_ERP_MAX_USERNAME_LEN	16
2667 #define FILS_ERP_MAX_REALM_LEN		253
2668 #define FILS_ERP_MAX_RRK_LEN		64
2669 
2670 #define PMK_MAX_LEN			64
2671 #define SAE_PASSWORD_MAX_LEN		128
2672 
2673 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2674 enum ieee80211_pub_actioncode {
2675 	WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2676 	WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2677 	WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2678 	WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2679 	WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2680 	WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2681 	WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2682 	WLAN_PUB_ACTION_MSMT_PILOT = 7,
2683 	WLAN_PUB_ACTION_DSE_PC = 8,
2684 	WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2685 	WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2686 	WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2687 	WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2688 	WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2689 	WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2690 	WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2691 	WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2692 	WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2693 	WLAN_PUB_ACTION_QMF_POLICY = 18,
2694 	WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2695 	WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2696 	WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2697 	WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2698 	WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2699 	WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2700 	WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2701 	WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2702 	WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2703 	WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2704 	WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2705 	WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2706 	WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2707 	WLAN_PUB_ACTION_FTM_REQUEST = 32,
2708 	WLAN_PUB_ACTION_FTM = 33,
2709 	WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2710 };
2711 
2712 /* TDLS action codes */
2713 enum ieee80211_tdls_actioncode {
2714 	WLAN_TDLS_SETUP_REQUEST = 0,
2715 	WLAN_TDLS_SETUP_RESPONSE = 1,
2716 	WLAN_TDLS_SETUP_CONFIRM = 2,
2717 	WLAN_TDLS_TEARDOWN = 3,
2718 	WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2719 	WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2720 	WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2721 	WLAN_TDLS_PEER_PSM_REQUEST = 7,
2722 	WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2723 	WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2724 	WLAN_TDLS_DISCOVERY_REQUEST = 10,
2725 };
2726 
2727 /* Extended Channel Switching capability to be set in the 1st byte of
2728  * the @WLAN_EID_EXT_CAPABILITY information element
2729  */
2730 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING	BIT(2)
2731 
2732 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2733  * @WLAN_EID_EXT_CAPABILITY information element
2734  */
2735 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT	BIT(6)
2736 
2737 /* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2738 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA		BIT(4)
2739 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM		BIT(5)
2740 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH		BIT(6)
2741 
2742 /* Interworking capabilities are set in 7th bit of 4th byte of the
2743  * @WLAN_EID_EXT_CAPABILITY information element
2744  */
2745 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED	BIT(7)
2746 
2747 /*
2748  * TDLS capabililites to be enabled in the 5th byte of the
2749  * @WLAN_EID_EXT_CAPABILITY information element
2750  */
2751 #define WLAN_EXT_CAPA5_TDLS_ENABLED	BIT(5)
2752 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED	BIT(6)
2753 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED	BIT(7)
2754 
2755 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED	BIT(5)
2756 #define WLAN_EXT_CAPA8_OPMODE_NOTIF	BIT(6)
2757 
2758 /* Defines the maximal number of MSDUs in an A-MSDU. */
2759 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB	BIT(7)
2760 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB	BIT(0)
2761 
2762 /*
2763  * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2764  * information element
2765  */
2766 #define WLAN_EXT_CAPA9_FTM_INITIATOR	BIT(7)
2767 
2768 /* Defines support for TWT Requester and TWT Responder */
2769 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT	BIT(5)
2770 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT	BIT(6)
2771 
2772 /*
2773  * When set, indicates that the AP is able to tolerate 26-tone RU UL
2774  * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
2775  * 26-tone RU UL OFDMA transmissions as radar pulses).
2776  */
2777 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
2778 
2779 /* Defines support for enhanced multi-bssid advertisement*/
2780 #define WLAN_EXT_CAPA11_EMA_SUPPORT	BIT(1)
2781 
2782 /* TDLS specific payload type in the LLC/SNAP header */
2783 #define WLAN_TDLS_SNAP_RFTYPE	0x2
2784 
2785 /* BSS Coex IE information field bits */
2786 #define WLAN_BSS_COEX_INFORMATION_REQUEST	BIT(0)
2787 
2788 /**
2789  * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2790  *
2791  * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2792  * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2793  *	that will be specified in a vendor specific information element
2794  */
2795 enum ieee80211_mesh_sync_method {
2796 	IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2797 	IEEE80211_SYNC_METHOD_VENDOR = 255,
2798 };
2799 
2800 /**
2801  * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2802  *
2803  * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2804  * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2805  *	be specified in a vendor specific information element
2806  */
2807 enum ieee80211_mesh_path_protocol {
2808 	IEEE80211_PATH_PROTOCOL_HWMP = 1,
2809 	IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2810 };
2811 
2812 /**
2813  * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2814  *
2815  * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2816  * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2817  *	specified in a vendor specific information element
2818  */
2819 enum ieee80211_mesh_path_metric {
2820 	IEEE80211_PATH_METRIC_AIRTIME = 1,
2821 	IEEE80211_PATH_METRIC_VENDOR = 255,
2822 };
2823 
2824 /**
2825  * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2826  *
2827  * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2828  *
2829  * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2830  * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2831  *	this value
2832  * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2833  *	the proactive PREQ with proactive PREP subfield set to 0
2834  * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2835  *	supports the proactive PREQ with proactive PREP subfield set to 1
2836  * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2837  *	the proactive RANN
2838  */
2839 enum ieee80211_root_mode_identifier {
2840 	IEEE80211_ROOTMODE_NO_ROOT = 0,
2841 	IEEE80211_ROOTMODE_ROOT = 1,
2842 	IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2843 	IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2844 	IEEE80211_PROACTIVE_RANN = 4,
2845 };
2846 
2847 /*
2848  * IEEE 802.11-2007 7.3.2.9 Country information element
2849  *
2850  * Minimum length is 8 octets, ie len must be evenly
2851  * divisible by 2
2852  */
2853 
2854 /* Although the spec says 8 I'm seeing 6 in practice */
2855 #define IEEE80211_COUNTRY_IE_MIN_LEN	6
2856 
2857 /* The Country String field of the element shall be 3 octets in length */
2858 #define IEEE80211_COUNTRY_STRING_LEN	3
2859 
2860 /*
2861  * For regulatory extension stuff see IEEE 802.11-2007
2862  * Annex I (page 1141) and Annex J (page 1147). Also
2863  * review 7.3.2.9.
2864  *
2865  * When dot11RegulatoryClassesRequired is true and the
2866  * first_channel/reg_extension_id is >= 201 then the IE
2867  * compromises of the 'ext' struct represented below:
2868  *
2869  *  - Regulatory extension ID - when generating IE this just needs
2870  *    to be monotonically increasing for each triplet passed in
2871  *    the IE
2872  *  - Regulatory class - index into set of rules
2873  *  - Coverage class - index into air propagation time (Table 7-27),
2874  *    in microseconds, you can compute the air propagation time from
2875  *    the index by multiplying by 3, so index 10 yields a propagation
2876  *    of 10 us. Valid values are 0-31, values 32-255 are not defined
2877  *    yet. A value of 0 inicates air propagation of <= 1 us.
2878  *
2879  *  See also Table I.2 for Emission limit sets and table
2880  *  I.3 for Behavior limit sets. Table J.1 indicates how to map
2881  *  a reg_class to an emission limit set and behavior limit set.
2882  */
2883 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2884 
2885 /*
2886  *  Channels numbers in the IE must be monotonically increasing
2887  *  if dot11RegulatoryClassesRequired is not true.
2888  *
2889  *  If dot11RegulatoryClassesRequired is true consecutive
2890  *  subband triplets following a regulatory triplet shall
2891  *  have monotonically increasing first_channel number fields.
2892  *
2893  *  Channel numbers shall not overlap.
2894  *
2895  *  Note that max_power is signed.
2896  */
2897 struct ieee80211_country_ie_triplet {
2898 	union {
2899 		struct {
2900 			u8 first_channel;
2901 			u8 num_channels;
2902 			s8 max_power;
2903 		} __packed chans;
2904 		struct {
2905 			u8 reg_extension_id;
2906 			u8 reg_class;
2907 			u8 coverage_class;
2908 		} __packed ext;
2909 	};
2910 } __packed;
2911 
2912 enum ieee80211_timeout_interval_type {
2913 	WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2914 	WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2915 	WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2916 };
2917 
2918 /**
2919  * struct ieee80211_timeout_interval_ie - Timeout Interval element
2920  * @type: type, see &enum ieee80211_timeout_interval_type
2921  * @value: timeout interval value
2922  */
2923 struct ieee80211_timeout_interval_ie {
2924 	u8 type;
2925 	__le32 value;
2926 } __packed;
2927 
2928 /**
2929  * enum ieee80211_idle_options - BSS idle options
2930  * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2931  *	protected frame to the AP to reset the idle timer at the AP for
2932  *	the station.
2933  */
2934 enum ieee80211_idle_options {
2935 	WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2936 };
2937 
2938 /**
2939  * struct ieee80211_bss_max_idle_period_ie
2940  *
2941  * This structure refers to "BSS Max idle period element"
2942  *
2943  * @max_idle_period: indicates the time period during which a station can
2944  *	refrain from transmitting frames to its associated AP without being
2945  *	disassociated. In units of 1000 TUs.
2946  * @idle_options: indicates the options associated with the BSS idle capability
2947  *	as specified in &enum ieee80211_idle_options.
2948  */
2949 struct ieee80211_bss_max_idle_period_ie {
2950 	__le16 max_idle_period;
2951 	u8 idle_options;
2952 } __packed;
2953 
2954 /* BACK action code */
2955 enum ieee80211_back_actioncode {
2956 	WLAN_ACTION_ADDBA_REQ = 0,
2957 	WLAN_ACTION_ADDBA_RESP = 1,
2958 	WLAN_ACTION_DELBA = 2,
2959 };
2960 
2961 /* BACK (block-ack) parties */
2962 enum ieee80211_back_parties {
2963 	WLAN_BACK_RECIPIENT = 0,
2964 	WLAN_BACK_INITIATOR = 1,
2965 };
2966 
2967 /* SA Query action */
2968 enum ieee80211_sa_query_action {
2969 	WLAN_ACTION_SA_QUERY_REQUEST = 0,
2970 	WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2971 };
2972 
2973 /**
2974  * struct ieee80211_bssid_index
2975  *
2976  * This structure refers to "Multiple BSSID-index element"
2977  *
2978  * @bssid_index: BSSID index
2979  * @dtim_period: optional, overrides transmitted BSS dtim period
2980  * @dtim_count: optional, overrides transmitted BSS dtim count
2981  */
2982 struct ieee80211_bssid_index {
2983 	u8 bssid_index;
2984 	u8 dtim_period;
2985 	u8 dtim_count;
2986 };
2987 
2988 /**
2989  * struct ieee80211_multiple_bssid_configuration
2990  *
2991  * This structure refers to "Multiple BSSID Configuration element"
2992  *
2993  * @bssid_count: total number of active BSSIDs in the set
2994  * @profile_periodicity: the least number of beacon frames need to be received
2995  *	in order to discover all the nontransmitted BSSIDs in the set.
2996  */
2997 struct ieee80211_multiple_bssid_configuration {
2998 	u8 bssid_count;
2999 	u8 profile_periodicity;
3000 };
3001 
3002 #define SUITE(oui, id)	(((oui) << 8) | (id))
3003 
3004 /* cipher suite selectors */
3005 #define WLAN_CIPHER_SUITE_USE_GROUP	SUITE(0x000FAC, 0)
3006 #define WLAN_CIPHER_SUITE_WEP40		SUITE(0x000FAC, 1)
3007 #define WLAN_CIPHER_SUITE_TKIP		SUITE(0x000FAC, 2)
3008 /* reserved: 				SUITE(0x000FAC, 3) */
3009 #define WLAN_CIPHER_SUITE_CCMP		SUITE(0x000FAC, 4)
3010 #define WLAN_CIPHER_SUITE_WEP104	SUITE(0x000FAC, 5)
3011 #define WLAN_CIPHER_SUITE_AES_CMAC	SUITE(0x000FAC, 6)
3012 #define WLAN_CIPHER_SUITE_GCMP		SUITE(0x000FAC, 8)
3013 #define WLAN_CIPHER_SUITE_GCMP_256	SUITE(0x000FAC, 9)
3014 #define WLAN_CIPHER_SUITE_CCMP_256	SUITE(0x000FAC, 10)
3015 #define WLAN_CIPHER_SUITE_BIP_GMAC_128	SUITE(0x000FAC, 11)
3016 #define WLAN_CIPHER_SUITE_BIP_GMAC_256	SUITE(0x000FAC, 12)
3017 #define WLAN_CIPHER_SUITE_BIP_CMAC_256	SUITE(0x000FAC, 13)
3018 
3019 #define WLAN_CIPHER_SUITE_SMS4		SUITE(0x001472, 1)
3020 
3021 /* AKM suite selectors */
3022 #define WLAN_AKM_SUITE_8021X			SUITE(0x000FAC, 1)
3023 #define WLAN_AKM_SUITE_PSK			SUITE(0x000FAC, 2)
3024 #define WLAN_AKM_SUITE_FT_8021X			SUITE(0x000FAC, 3)
3025 #define WLAN_AKM_SUITE_FT_PSK			SUITE(0x000FAC, 4)
3026 #define WLAN_AKM_SUITE_8021X_SHA256		SUITE(0x000FAC, 5)
3027 #define WLAN_AKM_SUITE_PSK_SHA256		SUITE(0x000FAC, 6)
3028 #define WLAN_AKM_SUITE_TDLS			SUITE(0x000FAC, 7)
3029 #define WLAN_AKM_SUITE_SAE			SUITE(0x000FAC, 8)
3030 #define WLAN_AKM_SUITE_FT_OVER_SAE		SUITE(0x000FAC, 9)
3031 #define WLAN_AKM_SUITE_8021X_SUITE_B		SUITE(0x000FAC, 11)
3032 #define WLAN_AKM_SUITE_8021X_SUITE_B_192	SUITE(0x000FAC, 12)
3033 #define WLAN_AKM_SUITE_FILS_SHA256		SUITE(0x000FAC, 14)
3034 #define WLAN_AKM_SUITE_FILS_SHA384		SUITE(0x000FAC, 15)
3035 #define WLAN_AKM_SUITE_FT_FILS_SHA256		SUITE(0x000FAC, 16)
3036 #define WLAN_AKM_SUITE_FT_FILS_SHA384		SUITE(0x000FAC, 17)
3037 
3038 #define WLAN_MAX_KEY_LEN		32
3039 
3040 #define WLAN_PMK_NAME_LEN		16
3041 #define WLAN_PMKID_LEN			16
3042 #define WLAN_PMK_LEN_EAP_LEAP		16
3043 #define WLAN_PMK_LEN			32
3044 #define WLAN_PMK_LEN_SUITE_B_192	48
3045 
3046 #define WLAN_OUI_WFA			0x506f9a
3047 #define WLAN_OUI_TYPE_WFA_P2P		9
3048 #define WLAN_OUI_MICROSOFT		0x0050f2
3049 #define WLAN_OUI_TYPE_MICROSOFT_WPA	1
3050 #define WLAN_OUI_TYPE_MICROSOFT_WMM	2
3051 #define WLAN_OUI_TYPE_MICROSOFT_WPS	4
3052 #define WLAN_OUI_TYPE_MICROSOFT_TPC	8
3053 
3054 /*
3055  * WMM/802.11e Tspec Element
3056  */
3057 #define IEEE80211_WMM_IE_TSPEC_TID_MASK		0x0F
3058 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT	1
3059 
3060 enum ieee80211_tspec_status_code {
3061 	IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3062 	IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3063 };
3064 
3065 struct ieee80211_tspec_ie {
3066 	u8 element_id;
3067 	u8 len;
3068 	u8 oui[3];
3069 	u8 oui_type;
3070 	u8 oui_subtype;
3071 	u8 version;
3072 	__le16 tsinfo;
3073 	u8 tsinfo_resvd;
3074 	__le16 nominal_msdu;
3075 	__le16 max_msdu;
3076 	__le32 min_service_int;
3077 	__le32 max_service_int;
3078 	__le32 inactivity_int;
3079 	__le32 suspension_int;
3080 	__le32 service_start_time;
3081 	__le32 min_data_rate;
3082 	__le32 mean_data_rate;
3083 	__le32 peak_data_rate;
3084 	__le32 max_burst_size;
3085 	__le32 delay_bound;
3086 	__le32 min_phy_rate;
3087 	__le16 sba;
3088 	__le16 medium_time;
3089 } __packed;
3090 
3091 /**
3092  * ieee80211_get_qos_ctl - get pointer to qos control bytes
3093  * @hdr: the frame
3094  *
3095  * The qos ctrl bytes come after the frame_control, duration, seq_num
3096  * and 3 or 4 addresses of length ETH_ALEN.
3097  * 3 addr: 2 + 2 + 2 + 3*6 = 24
3098  * 4 addr: 2 + 2 + 2 + 4*6 = 30
3099  */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)3100 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3101 {
3102 	if (ieee80211_has_a4(hdr->frame_control))
3103 		return (u8 *)hdr + 30;
3104 	else
3105 		return (u8 *)hdr + 24;
3106 }
3107 
3108 /**
3109  * ieee80211_get_tid - get qos TID
3110  * @hdr: the frame
3111  */
ieee80211_get_tid(struct ieee80211_hdr * hdr)3112 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3113 {
3114 	u8 *qc = ieee80211_get_qos_ctl(hdr);
3115 
3116 	return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3117 }
3118 
3119 /**
3120  * ieee80211_get_SA - get pointer to SA
3121  * @hdr: the frame
3122  *
3123  * Given an 802.11 frame, this function returns the offset
3124  * to the source address (SA). It does not verify that the
3125  * header is long enough to contain the address, and the
3126  * header must be long enough to contain the frame control
3127  * field.
3128  */
ieee80211_get_SA(struct ieee80211_hdr * hdr)3129 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3130 {
3131 	if (ieee80211_has_a4(hdr->frame_control))
3132 		return hdr->addr4;
3133 	if (ieee80211_has_fromds(hdr->frame_control))
3134 		return hdr->addr3;
3135 	return hdr->addr2;
3136 }
3137 
3138 /**
3139  * ieee80211_get_DA - get pointer to DA
3140  * @hdr: the frame
3141  *
3142  * Given an 802.11 frame, this function returns the offset
3143  * to the destination address (DA). It does not verify that
3144  * the header is long enough to contain the address, and the
3145  * header must be long enough to contain the frame control
3146  * field.
3147  */
ieee80211_get_DA(struct ieee80211_hdr * hdr)3148 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3149 {
3150 	if (ieee80211_has_tods(hdr->frame_control))
3151 		return hdr->addr3;
3152 	else
3153 		return hdr->addr1;
3154 }
3155 
3156 /**
3157  * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3158  * @hdr: the frame (buffer must include at least the first octet of payload)
3159  */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)3160 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3161 {
3162 	if (ieee80211_is_disassoc(hdr->frame_control) ||
3163 	    ieee80211_is_deauth(hdr->frame_control))
3164 		return true;
3165 
3166 	if (ieee80211_is_action(hdr->frame_control)) {
3167 		u8 *category;
3168 
3169 		/*
3170 		 * Action frames, excluding Public Action frames, are Robust
3171 		 * Management Frames. However, if we are looking at a Protected
3172 		 * frame, skip the check since the data may be encrypted and
3173 		 * the frame has already been found to be a Robust Management
3174 		 * Frame (by the other end).
3175 		 */
3176 		if (ieee80211_has_protected(hdr->frame_control))
3177 			return true;
3178 		category = ((u8 *) hdr) + 24;
3179 		return *category != WLAN_CATEGORY_PUBLIC &&
3180 			*category != WLAN_CATEGORY_HT &&
3181 			*category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3182 			*category != WLAN_CATEGORY_SELF_PROTECTED &&
3183 			*category != WLAN_CATEGORY_UNPROT_DMG &&
3184 			*category != WLAN_CATEGORY_VHT &&
3185 			*category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3186 	}
3187 
3188 	return false;
3189 }
3190 
3191 /**
3192  * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3193  * @skb: the skb containing the frame, length will be checked
3194  */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)3195 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3196 {
3197 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3198 		return false;
3199 	return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3200 }
3201 
3202 /**
3203  * ieee80211_is_public_action - check if frame is a public action frame
3204  * @hdr: the frame
3205  * @len: length of the frame
3206  */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)3207 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3208 					      size_t len)
3209 {
3210 	struct ieee80211_mgmt *mgmt = (void *)hdr;
3211 
3212 	if (len < IEEE80211_MIN_ACTION_SIZE)
3213 		return false;
3214 	if (!ieee80211_is_action(hdr->frame_control))
3215 		return false;
3216 	return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3217 }
3218 
3219 /**
3220  * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3221  * privacy action frame
3222  * @hdr: the frame
3223  */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)3224 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3225 {
3226 	struct ieee80211_mgmt *mgmt = (void *)hdr;
3227 
3228 	if (!ieee80211_is_action(hdr->frame_control) ||
3229 	    !is_multicast_ether_addr(hdr->addr1))
3230 		return false;
3231 
3232 	return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3233 	       mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3234 }
3235 
3236 /**
3237  * ieee80211_is_group_privacy_action - check if frame is a group addressed
3238  * privacy action frame
3239  * @skb: the skb containing the frame, length will be checked
3240  */
ieee80211_is_group_privacy_action(struct sk_buff * skb)3241 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3242 {
3243 	if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3244 		return false;
3245 	return _ieee80211_is_group_privacy_action((void *)skb->data);
3246 }
3247 
3248 /**
3249  * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3250  * @tu: the TUs
3251  */
ieee80211_tu_to_usec(unsigned long tu)3252 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3253 {
3254 	return 1024 * tu;
3255 }
3256 
3257 /**
3258  * ieee80211_check_tim - check if AID bit is set in TIM
3259  * @tim: the TIM IE
3260  * @tim_len: length of the TIM IE
3261  * @aid: the AID to look for
3262  */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)3263 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3264 				       u8 tim_len, u16 aid)
3265 {
3266 	u8 mask;
3267 	u8 index, indexn1, indexn2;
3268 
3269 	if (unlikely(!tim || tim_len < sizeof(*tim)))
3270 		return false;
3271 
3272 	aid &= 0x3fff;
3273 	index = aid / 8;
3274 	mask  = 1 << (aid & 7);
3275 
3276 	indexn1 = tim->bitmap_ctrl & 0xfe;
3277 	indexn2 = tim_len + indexn1 - 4;
3278 
3279 	if (index < indexn1 || index > indexn2)
3280 		return false;
3281 
3282 	index -= indexn1;
3283 
3284 	return !!(tim->virtual_map[index] & mask);
3285 }
3286 
3287 /**
3288  * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3289  * @skb: the skb containing the frame, length will not be checked
3290  * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3291  *
3292  * This function assumes the frame is a data frame, and that the network header
3293  * is in the correct place.
3294  */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)3295 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3296 {
3297 	if (!skb_is_nonlinear(skb) &&
3298 	    skb->len > (skb_network_offset(skb) + 2)) {
3299 		/* Point to where the indication of TDLS should start */
3300 		const u8 *tdls_data = skb_network_header(skb) - 2;
3301 
3302 		if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3303 		    tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3304 		    tdls_data[3] == WLAN_CATEGORY_TDLS)
3305 			return tdls_data[4];
3306 	}
3307 
3308 	return -1;
3309 }
3310 
3311 /* convert time units */
3312 #define TU_TO_JIFFIES(x)	(usecs_to_jiffies((x) * 1024))
3313 #define TU_TO_EXP_TIME(x)	(jiffies + TU_TO_JIFFIES(x))
3314 
3315 /**
3316  * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3317  * @skb: the skb containing the frame, length will be checked
3318  *
3319  * This function checks if it's either TPC report action frame or Link
3320  * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3321  * and 8.5.7.5 accordingly.
3322  */
ieee80211_action_contains_tpc(struct sk_buff * skb)3323 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3324 {
3325 	struct ieee80211_mgmt *mgmt = (void *)skb->data;
3326 
3327 	if (!ieee80211_is_action(mgmt->frame_control))
3328 		return false;
3329 
3330 	if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3331 		       sizeof(mgmt->u.action.u.tpc_report))
3332 		return false;
3333 
3334 	/*
3335 	 * TPC report - check that:
3336 	 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3337 	 * spectrum management action = 3 (TPC/Link Measurement report)
3338 	 * TPC report EID = 35
3339 	 * TPC report element length = 2
3340 	 *
3341 	 * The spectrum management's tpc_report struct is used here both for
3342 	 * parsing tpc_report and radio measurement's link measurement report
3343 	 * frame, since the relevant part is identical in both frames.
3344 	 */
3345 	if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3346 	    mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3347 		return false;
3348 
3349 	/* both spectrum mgmt and link measurement have same action code */
3350 	if (mgmt->u.action.u.tpc_report.action_code !=
3351 	    WLAN_ACTION_SPCT_TPC_RPRT)
3352 		return false;
3353 
3354 	if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3355 	    mgmt->u.action.u.tpc_report.tpc_elem_length !=
3356 	    sizeof(struct ieee80211_tpc_report_ie))
3357 		return false;
3358 
3359 	return true;
3360 }
3361 
3362 struct element {
3363 	u8 id;
3364 	u8 datalen;
3365 	u8 data[];
3366 } __packed;
3367 
3368 /* element iteration helpers */
3369 #define for_each_element(_elem, _data, _datalen)			\
3370 	for (_elem = (const struct element *)(_data);			\
3371 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
3372 		(int)sizeof(*_elem) &&					\
3373 	     (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >=	\
3374 		(int)sizeof(*_elem) + _elem->datalen;			\
3375 	     _elem = (const struct element *)(_elem->data + _elem->datalen))
3376 
3377 #define for_each_element_id(element, _id, data, datalen)		\
3378 	for_each_element(element, data, datalen)			\
3379 		if (element->id == (_id))
3380 
3381 #define for_each_element_extid(element, extid, _data, _datalen)		\
3382 	for_each_element(element, _data, _datalen)			\
3383 		if (element->id == WLAN_EID_EXTENSION &&		\
3384 		    element->datalen > 0 &&				\
3385 		    element->data[0] == (extid))
3386 
3387 #define for_each_subelement(sub, element)				\
3388 	for_each_element(sub, (element)->data, (element)->datalen)
3389 
3390 #define for_each_subelement_id(sub, id, element)			\
3391 	for_each_element_id(sub, id, (element)->data, (element)->datalen)
3392 
3393 #define for_each_subelement_extid(sub, extid, element)			\
3394 	for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3395 
3396 /**
3397  * for_each_element_completed - determine if element parsing consumed all data
3398  * @element: element pointer after for_each_element() or friends
3399  * @data: same data pointer as passed to for_each_element() or friends
3400  * @datalen: same data length as passed to for_each_element() or friends
3401  *
3402  * This function returns %true if all the data was parsed or considered
3403  * while walking the elements. Only use this if your for_each_element()
3404  * loop cannot be broken out of, otherwise it always returns %false.
3405  *
3406  * If some data was malformed, this returns %false since the last parsed
3407  * element will not fill the whole remaining data.
3408  */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)3409 static inline bool for_each_element_completed(const struct element *element,
3410 					      const void *data, size_t datalen)
3411 {
3412 	return (const u8 *)element == (const u8 *)data + datalen;
3413 }
3414 
3415 #endif /* LINUX_IEEE80211_H */
3416