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printf: Remove unused 'bprintf'
[drm/drm-misc.git] / include / linux / ieee80211.h
blob05dedc45505ce191daa4083d61318fdaceb01aca
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 - 2024 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <linux/unaligned.h>
24
25 /*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41 #define FCS_LEN 4
42
43 #define IEEE80211_FCTL_VERS 0x0003
44 #define IEEE80211_FCTL_FTYPE 0x000c
45 #define IEEE80211_FCTL_STYPE 0x00f0
46 #define IEEE80211_FCTL_TODS 0x0100
47 #define IEEE80211_FCTL_FROMDS 0x0200
48 #define IEEE80211_FCTL_MOREFRAGS 0x0400
49 #define IEEE80211_FCTL_RETRY 0x0800
50 #define IEEE80211_FCTL_PM 0x1000
51 #define IEEE80211_FCTL_MOREDATA 0x2000
52 #define IEEE80211_FCTL_PROTECTED 0x4000
53 #define IEEE80211_FCTL_ORDER 0x8000
54 #define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56 #define IEEE80211_SCTL_FRAG 0x000F
57 #define IEEE80211_SCTL_SEQ 0xFFF0
58
59 #define IEEE80211_FTYPE_MGMT 0x0000
60 #define IEEE80211_FTYPE_CTL 0x0004
61 #define IEEE80211_FTYPE_DATA 0x0008
62 #define IEEE80211_FTYPE_EXT 0x000c
63
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
69 #define IEEE80211_STYPE_PROBE_REQ 0x0040
70 #define IEEE80211_STYPE_PROBE_RESP 0x0050
71 #define IEEE80211_STYPE_BEACON 0x0080
72 #define IEEE80211_STYPE_ATIM 0x0090
73 #define IEEE80211_STYPE_DISASSOC 0x00A0
74 #define IEEE80211_STYPE_AUTH 0x00B0
75 #define IEEE80211_STYPE_DEAUTH 0x00C0
76 #define IEEE80211_STYPE_ACTION 0x00D0
77
78 /* control */
79 #define IEEE80211_STYPE_TRIGGER 0x0020
80 #define IEEE80211_STYPE_CTL_EXT 0x0060
81 #define IEEE80211_STYPE_BACK_REQ 0x0080
82 #define IEEE80211_STYPE_BACK 0x0090
83 #define IEEE80211_STYPE_PSPOLL 0x00A0
84 #define IEEE80211_STYPE_RTS 0x00B0
85 #define IEEE80211_STYPE_CTS 0x00C0
86 #define IEEE80211_STYPE_ACK 0x00D0
87 #define IEEE80211_STYPE_CFEND 0x00E0
88 #define IEEE80211_STYPE_CFENDACK 0x00F0
89
90 /* data */
91 #define IEEE80211_STYPE_DATA 0x0000
92 #define IEEE80211_STYPE_DATA_CFACK 0x0010
93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
95 #define IEEE80211_STYPE_NULLFUNC 0x0040
96 #define IEEE80211_STYPE_CFACK 0x0050
97 #define IEEE80211_STYPE_CFPOLL 0x0060
98 #define IEEE80211_STYPE_CFACKPOLL 0x0070
99 #define IEEE80211_STYPE_QOS_DATA 0x0080
100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
107
108 /* extension, added by 802.11ad */
109 #define IEEE80211_STYPE_DMG_BEACON 0x0000
110 #define IEEE80211_STYPE_S1G_BEACON 0x0010
111
112 /* bits unique to S1G beacon */
113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
114
115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
117 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4
118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
119 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5
120
121 #define IEEE80211_NDP_FTYPE_CTS 0
122 #define IEEE80211_NDP_FTYPE_CF_END 0
123 #define IEEE80211_NDP_FTYPE_PS_POLL 1
124 #define IEEE80211_NDP_FTYPE_ACK 2
125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
126 #define IEEE80211_NDP_FTYPE_BA 4
127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
128 #define IEEE80211_NDP_FTYPE_PAGING 6
129 #define IEEE80211_NDP_FTYPE_PREQ 7
130
131 #define SM64(f, v) ((((u64)v) << f##_S) & f)
132
133 /* NDP CMAC frame fields */
134 #define IEEE80211_NDP_FTYPE 0x0000000000000007
135 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000
136
137 /* 1M Probe Request 11ah 9.9.3.1.1 */
138 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
139 #define IEEE80211_NDP_1M_PREQ_ANO_S 3
140 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
141 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4
142 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
145 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
146 /* 2M Probe Request 11ah 9.9.3.1.2 */
147 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
148 #define IEEE80211_NDP_2M_PREQ_ANO_S 3
149 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
150 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4
151 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
153
154 #define IEEE80211_ANO_NETTYPE_WILD 15
155
156 /* bits unique to S1G beacon */
157 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
158
159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
160 #define IEEE80211_CTL_EXT_POLL 0x2000
161 #define IEEE80211_CTL_EXT_SPR 0x3000
162 #define IEEE80211_CTL_EXT_GRANT 0x4000
163 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
164 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
165 #define IEEE80211_CTL_EXT_SSW 0x8000
166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
167 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
168
169
170 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
171 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
172 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
173
174
175 /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS 0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
179 #define IEEE80211_PV1_FCTL_FROMDS 0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181 #define IEEE80211_PV1_FCTL_PM 0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184 #define IEEE80211_PV1_FCTL_END_SP 0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190 {
191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192 }
193
194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2)
195 {
196 return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1);
197 }
198
199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
200 {
201 return (sn1 + sn2) & IEEE80211_SN_MASK;
202 }
203
204 static inline u16 ieee80211_sn_inc(u16 sn)
205 {
206 return ieee80211_sn_add(sn, 1);
207 }
208
209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
210 {
211 return (sn1 - sn2) & IEEE80211_SN_MASK;
212 }
213
214 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
215 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
216
217 /* miscellaneous IEEE 802.11 constants */
218 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
219 #define IEEE80211_MAX_RTS_THRESHOLD 2353
220 #define IEEE80211_MAX_AID 2007
221 #define IEEE80211_MAX_AID_S1G 8191
222 #define IEEE80211_MAX_TIM_LEN 251
223 #define IEEE80211_MAX_MESH_PEERINGS 63
224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
225 6.2.1.1.2.
226
227 802.11e clarifies the figure in section 7.1.2. The frame body is
228 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
229 #define IEEE80211_MAX_DATA_LEN 2304
230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
231 * to 7920 bytes, see 8.2.3 General frame format
232 */
233 #define IEEE80211_MAX_DATA_LEN_DMG 7920
234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
235 #define IEEE80211_MAX_FRAME_LEN 2352
236
237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
238 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
239
240 /* Maximal size of an A-MSDU */
241 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
242 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
243
244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
247
248 #define IEEE80211_MAX_SSID_LEN 32
249
250 #define IEEE80211_MAX_MESH_ID_LEN 32
251
252 #define IEEE80211_FIRST_TSPEC_TSID 8
253 #define IEEE80211_NUM_TIDS 16
254
255 /* number of user priorities 802.11 uses */
256 #define IEEE80211_NUM_UPS 8
257 /* number of ACs */
258 #define IEEE80211_NUM_ACS 4
259
260 #define IEEE80211_QOS_CTL_LEN 2
261 /* 1d tag mask */
262 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
263 /* TID mask */
264 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
265 /* EOSP */
266 #define IEEE80211_QOS_CTL_EOSP 0x0010
267 /* ACK policy */
268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
273 /* A-MSDU 802.11n */
274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
275 /* Mesh Control 802.11s */
276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
277
278 /* Mesh Power Save Level */
279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
280 /* Mesh Receiver Service Period Initiated */
281 #define IEEE80211_QOS_CTL_RSPI 0x0400
282
283 /* U-APSD queue for WMM IEs sent by AP */
284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
286
287 /* U-APSD queues for WMM IEs sent by STA */
288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
293
294 /* U-APSD max SP length for WMM IEs sent by STA */
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
301
302 #define IEEE80211_HT_CTL_LEN 4
303
304 /* trigger type within common_info of trigger frame */
305 #define IEEE80211_TRIGGER_TYPE_MASK 0xf
306 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0
307 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1
308 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
309 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
310 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4
311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
312 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6
313 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7
314
315 /* UL-bandwidth within common_info of trigger frame */
316 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000
317 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0
318 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1
319 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2
320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3
321
322 struct ieee80211_hdr {
323 __le16 frame_control;
324 __le16 duration_id;
325 struct_group(addrs,
326 u8 addr1[ETH_ALEN];
327 u8 addr2[ETH_ALEN];
328 u8 addr3[ETH_ALEN];
329 );
330 __le16 seq_ctrl;
331 u8 addr4[ETH_ALEN];
332 } __packed __aligned(2);
333
334 struct ieee80211_hdr_3addr {
335 __le16 frame_control;
336 __le16 duration_id;
337 u8 addr1[ETH_ALEN];
338 u8 addr2[ETH_ALEN];
339 u8 addr3[ETH_ALEN];
340 __le16 seq_ctrl;
341 } __packed __aligned(2);
342
343 struct ieee80211_qos_hdr {
344 __le16 frame_control;
345 __le16 duration_id;
346 u8 addr1[ETH_ALEN];
347 u8 addr2[ETH_ALEN];
348 u8 addr3[ETH_ALEN];
349 __le16 seq_ctrl;
350 __le16 qos_ctrl;
351 } __packed __aligned(2);
352
353 struct ieee80211_qos_hdr_4addr {
354 __le16 frame_control;
355 __le16 duration_id;
356 u8 addr1[ETH_ALEN];
357 u8 addr2[ETH_ALEN];
358 u8 addr3[ETH_ALEN];
359 __le16 seq_ctrl;
360 u8 addr4[ETH_ALEN];
361 __le16 qos_ctrl;
362 } __packed __aligned(2);
363
364 struct ieee80211_trigger {
365 __le16 frame_control;
366 __le16 duration;
367 u8 ra[ETH_ALEN];
368 u8 ta[ETH_ALEN];
369 __le64 common_info;
370 u8 variable[];
371 } __packed __aligned(2);
372
373 /**
374 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
375 * @fc: frame control bytes in little-endian byteorder
376 * Return: whether or not the frame has to-DS set
377 */
378 static inline bool ieee80211_has_tods(__le16 fc)
379 {
380 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
381 }
382
383 /**
384 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
385 * @fc: frame control bytes in little-endian byteorder
386 * Return: whether or not the frame has from-DS set
387 */
388 static inline bool ieee80211_has_fromds(__le16 fc)
389 {
390 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
391 }
392
393 /**
394 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
395 * @fc: frame control bytes in little-endian byteorder
396 * Return: whether or not it's a 4-address frame (from-DS and to-DS set)
397 */
398 static inline bool ieee80211_has_a4(__le16 fc)
399 {
400 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
401 return (fc & tmp) == tmp;
402 }
403
404 /**
405 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
406 * @fc: frame control bytes in little-endian byteorder
407 * Return: whether or not the frame has more fragments (more frags bit set)
408 */
409 static inline bool ieee80211_has_morefrags(__le16 fc)
410 {
411 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
412 }
413
414 /**
415 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
416 * @fc: frame control bytes in little-endian byteorder
417 * Return: whether or not the retry flag is set
418 */
419 static inline bool ieee80211_has_retry(__le16 fc)
420 {
421 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
422 }
423
424 /**
425 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
426 * @fc: frame control bytes in little-endian byteorder
427 * Return: whether or not the power management flag is set
428 */
429 static inline bool ieee80211_has_pm(__le16 fc)
430 {
431 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
432 }
433
434 /**
435 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
436 * @fc: frame control bytes in little-endian byteorder
437 * Return: whether or not the more data flag is set
438 */
439 static inline bool ieee80211_has_moredata(__le16 fc)
440 {
441 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
442 }
443
444 /**
445 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
446 * @fc: frame control bytes in little-endian byteorder
447 * Return: whether or not the protected flag is set
448 */
449 static inline bool ieee80211_has_protected(__le16 fc)
450 {
451 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
452 }
453
454 /**
455 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
456 * @fc: frame control bytes in little-endian byteorder
457 * Return: whether or not the order flag is set
458 */
459 static inline bool ieee80211_has_order(__le16 fc)
460 {
461 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
462 }
463
464 /**
465 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
466 * @fc: frame control bytes in little-endian byteorder
467 * Return: whether or not the frame type is management
468 */
469 static inline bool ieee80211_is_mgmt(__le16 fc)
470 {
471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
472 cpu_to_le16(IEEE80211_FTYPE_MGMT);
473 }
474
475 /**
476 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
477 * @fc: frame control bytes in little-endian byteorder
478 * Return: whether or not the frame type is control
479 */
480 static inline bool ieee80211_is_ctl(__le16 fc)
481 {
482 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
483 cpu_to_le16(IEEE80211_FTYPE_CTL);
484 }
485
486 /**
487 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
488 * @fc: frame control bytes in little-endian byteorder
489 * Return: whether or not the frame is a data frame
490 */
491 static inline bool ieee80211_is_data(__le16 fc)
492 {
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_DATA);
495 }
496
497 /**
498 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
499 * @fc: frame control bytes in little-endian byteorder
500 * Return: whether or not the frame type is extended
501 */
502 static inline bool ieee80211_is_ext(__le16 fc)
503 {
504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
505 cpu_to_le16(IEEE80211_FTYPE_EXT);
506 }
507
508
509 /**
510 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
511 * @fc: frame control bytes in little-endian byteorder
512 * Return: whether or not the frame is a QoS data frame
513 */
514 static inline bool ieee80211_is_data_qos(__le16 fc)
515 {
516 /*
517 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
518 * to check the one bit
519 */
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
521 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
522 }
523
524 /**
525 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
526 * @fc: frame control bytes in little-endian byteorder
527 * Return: whether or not the frame is a QoS data frame that has data
528 * (i.e. is not null data)
529 */
530 static inline bool ieee80211_is_data_present(__le16 fc)
531 {
532 /*
533 * mask with 0x40 and test that that bit is clear to only return true
534 * for the data-containing substypes.
535 */
536 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
537 cpu_to_le16(IEEE80211_FTYPE_DATA);
538 }
539
540 /**
541 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
542 * @fc: frame control bytes in little-endian byteorder
543 * Return: whether or not the frame is an association request
544 */
545 static inline bool ieee80211_is_assoc_req(__le16 fc)
546 {
547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
549 }
550
551 /**
552 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
553 * @fc: frame control bytes in little-endian byteorder
554 * Return: whether or not the frame is an association response
555 */
556 static inline bool ieee80211_is_assoc_resp(__le16 fc)
557 {
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
560 }
561
562 /**
563 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
564 * @fc: frame control bytes in little-endian byteorder
565 * Return: whether or not the frame is a reassociation request
566 */
567 static inline bool ieee80211_is_reassoc_req(__le16 fc)
568 {
569 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
570 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
571 }
572
573 /**
574 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
575 * @fc: frame control bytes in little-endian byteorder
576 * Return: whether or not the frame is a reassociation response
577 */
578 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
579 {
580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
581 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
582 }
583
584 /**
585 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
586 * @fc: frame control bytes in little-endian byteorder
587 * Return: whether or not the frame is a probe request
588 */
589 static inline bool ieee80211_is_probe_req(__le16 fc)
590 {
591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
592 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
593 }
594
595 /**
596 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
597 * @fc: frame control bytes in little-endian byteorder
598 * Return: whether or not the frame is a probe response
599 */
600 static inline bool ieee80211_is_probe_resp(__le16 fc)
601 {
602 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
603 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
604 }
605
606 /**
607 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
608 * @fc: frame control bytes in little-endian byteorder
609 * Return: whether or not the frame is a (regular, not S1G) beacon
610 */
611 static inline bool ieee80211_is_beacon(__le16 fc)
612 {
613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
614 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
615 }
616
617 /**
618 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
619 * IEEE80211_STYPE_S1G_BEACON
620 * @fc: frame control bytes in little-endian byteorder
621 * Return: whether or not the frame is an S1G beacon
622 */
623 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
624 {
625 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
626 IEEE80211_FCTL_STYPE)) ==
627 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
628 }
629
630 /**
631 * ieee80211_is_s1g_short_beacon - check if frame is an S1G short beacon
632 * @fc: frame control bytes in little-endian byteorder
633 * Return: whether or not the frame is an S1G short beacon,
634 * i.e. it is an S1G beacon with 'next TBTT' flag set
635 */
636 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
637 {
638 return ieee80211_is_s1g_beacon(fc) &&
639 (fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT));
640 }
641
642 /**
643 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
644 * @fc: frame control bytes in little-endian byteorder
645 * Return: whether or not the frame is an ATIM frame
646 */
647 static inline bool ieee80211_is_atim(__le16 fc)
648 {
649 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
650 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
651 }
652
653 /**
654 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
655 * @fc: frame control bytes in little-endian byteorder
656 * Return: whether or not the frame is a disassociation frame
657 */
658 static inline bool ieee80211_is_disassoc(__le16 fc)
659 {
660 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
661 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
662 }
663
664 /**
665 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
666 * @fc: frame control bytes in little-endian byteorder
667 * Return: whether or not the frame is an authentication frame
668 */
669 static inline bool ieee80211_is_auth(__le16 fc)
670 {
671 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
672 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
673 }
674
675 /**
676 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
677 * @fc: frame control bytes in little-endian byteorder
678 * Return: whether or not the frame is a deauthentication frame
679 */
680 static inline bool ieee80211_is_deauth(__le16 fc)
681 {
682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
683 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
684 }
685
686 /**
687 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
688 * @fc: frame control bytes in little-endian byteorder
689 * Return: whether or not the frame is an action frame
690 */
691 static inline bool ieee80211_is_action(__le16 fc)
692 {
693 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
694 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
695 }
696
697 /**
698 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
699 * @fc: frame control bytes in little-endian byteorder
700 * Return: whether or not the frame is a block-ACK request frame
701 */
702 static inline bool ieee80211_is_back_req(__le16 fc)
703 {
704 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
705 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
706 }
707
708 /**
709 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
710 * @fc: frame control bytes in little-endian byteorder
711 * Return: whether or not the frame is a block-ACK frame
712 */
713 static inline bool ieee80211_is_back(__le16 fc)
714 {
715 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
716 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
717 }
718
719 /**
720 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
721 * @fc: frame control bytes in little-endian byteorder
722 * Return: whether or not the frame is a PS-poll frame
723 */
724 static inline bool ieee80211_is_pspoll(__le16 fc)
725 {
726 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
727 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
728 }
729
730 /**
731 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
732 * @fc: frame control bytes in little-endian byteorder
733 * Return: whether or not the frame is an RTS frame
734 */
735 static inline bool ieee80211_is_rts(__le16 fc)
736 {
737 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
738 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
739 }
740
741 /**
742 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
743 * @fc: frame control bytes in little-endian byteorder
744 * Return: whether or not the frame is a CTS frame
745 */
746 static inline bool ieee80211_is_cts(__le16 fc)
747 {
748 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
749 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
750 }
751
752 /**
753 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
754 * @fc: frame control bytes in little-endian byteorder
755 * Return: whether or not the frame is an ACK frame
756 */
757 static inline bool ieee80211_is_ack(__le16 fc)
758 {
759 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
760 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
761 }
762
763 /**
764 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
765 * @fc: frame control bytes in little-endian byteorder
766 * Return: whether or not the frame is a CF-end frame
767 */
768 static inline bool ieee80211_is_cfend(__le16 fc)
769 {
770 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
771 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
772 }
773
774 /**
775 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
776 * @fc: frame control bytes in little-endian byteorder
777 * Return: whether or not the frame is a CF-end-ack frame
778 */
779 static inline bool ieee80211_is_cfendack(__le16 fc)
780 {
781 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
782 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
783 }
784
785 /**
786 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
787 * @fc: frame control bytes in little-endian byteorder
788 * Return: whether or not the frame is a nullfunc frame
789 */
790 static inline bool ieee80211_is_nullfunc(__le16 fc)
791 {
792 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
793 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
794 }
795
796 /**
797 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
798 * @fc: frame control bytes in little-endian byteorder
799 * Return: whether or not the frame is a QoS nullfunc frame
800 */
801 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
802 {
803 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
804 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
805 }
806
807 /**
808 * ieee80211_is_trigger - check if frame is trigger frame
809 * @fc: frame control field in little-endian byteorder
810 * Return: whether or not the frame is a trigger frame
811 */
812 static inline bool ieee80211_is_trigger(__le16 fc)
813 {
814 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
815 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
816 }
817
818 /**
819 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
820 * @fc: frame control bytes in little-endian byteorder
821 * Return: whether or not the frame is a nullfunc or QoS nullfunc frame
822 */
823 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
824 {
825 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
826 }
827
828 /**
829 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
830 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
831 * Return: whether or not the frame is the first fragment (also true if
832 * it's not fragmented at all)
833 */
834 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
835 {
836 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
837 }
838
839 /**
840 * ieee80211_is_frag - check if a frame is a fragment
841 * @hdr: 802.11 header of the frame
842 * Return: whether or not the frame is a fragment
843 */
844 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
845 {
846 return ieee80211_has_morefrags(hdr->frame_control) ||
847 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
848 }
849
850 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr)
851 {
852 return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ);
853 }
854
855 struct ieee80211s_hdr {
856 u8 flags;
857 u8 ttl;
858 __le32 seqnum;
859 u8 eaddr1[ETH_ALEN];
860 u8 eaddr2[ETH_ALEN];
861 } __packed __aligned(2);
862
863 /* Mesh flags */
864 #define MESH_FLAGS_AE_A4 0x1
865 #define MESH_FLAGS_AE_A5_A6 0x2
866 #define MESH_FLAGS_AE 0x3
867 #define MESH_FLAGS_PS_DEEP 0x4
868
869 /**
870 * enum ieee80211_preq_flags - mesh PREQ element flags
871 *
872 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
873 */
874 enum ieee80211_preq_flags {
875 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
876 };
877
878 /**
879 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
880 *
881 * @IEEE80211_PREQ_TO_FLAG: target only subfield
882 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
883 */
884 enum ieee80211_preq_target_flags {
885 IEEE80211_PREQ_TO_FLAG = 1<<0,
886 IEEE80211_PREQ_USN_FLAG = 1<<2,
887 };
888
889 /**
890 * struct ieee80211_quiet_ie - Quiet element
891 * @count: Quiet Count
892 * @period: Quiet Period
893 * @duration: Quiet Duration
894 * @offset: Quiet Offset
895 *
896 * This structure represents the payload of the "Quiet element" as
897 * described in IEEE Std 802.11-2020 section 9.4.2.22.
898 */
899 struct ieee80211_quiet_ie {
900 u8 count;
901 u8 period;
902 __le16 duration;
903 __le16 offset;
904 } __packed;
905
906 /**
907 * struct ieee80211_msrment_ie - Measurement element
908 * @token: Measurement Token
909 * @mode: Measurement Report Mode
910 * @type: Measurement Type
911 * @request: Measurement Request or Measurement Report
912 *
913 * This structure represents the payload of both the "Measurement
914 * Request element" and the "Measurement Report element" as described
915 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
916 */
917 struct ieee80211_msrment_ie {
918 u8 token;
919 u8 mode;
920 u8 type;
921 u8 request[];
922 } __packed;
923
924 /**
925 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
926 * @mode: Channel Switch Mode
927 * @new_ch_num: New Channel Number
928 * @count: Channel Switch Count
929 *
930 * This structure represents the payload of the "Channel Switch
931 * Announcement element" as described in IEEE Std 802.11-2020 section
932 * 9.4.2.18.
933 */
934 struct ieee80211_channel_sw_ie {
935 u8 mode;
936 u8 new_ch_num;
937 u8 count;
938 } __packed;
939
940 /**
941 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
942 * @mode: Channel Switch Mode
943 * @new_operating_class: New Operating Class
944 * @new_ch_num: New Channel Number
945 * @count: Channel Switch Count
946 *
947 * This structure represents the "Extended Channel Switch Announcement
948 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
949 */
950 struct ieee80211_ext_chansw_ie {
951 u8 mode;
952 u8 new_operating_class;
953 u8 new_ch_num;
954 u8 count;
955 } __packed;
956
957 /**
958 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
959 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
960 * values here
961 * This structure represents the "Secondary Channel Offset element"
962 */
963 struct ieee80211_sec_chan_offs_ie {
964 u8 sec_chan_offs;
965 } __packed;
966
967 /**
968 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
969 * @mesh_ttl: Time To Live
970 * @mesh_flags: Flags
971 * @mesh_reason: Reason Code
972 * @mesh_pre_value: Precedence Value
973 *
974 * This structure represents the payload of the "Mesh Channel Switch
975 * Parameters element" as described in IEEE Std 802.11-2020 section
976 * 9.4.2.102.
977 */
978 struct ieee80211_mesh_chansw_params_ie {
979 u8 mesh_ttl;
980 u8 mesh_flags;
981 __le16 mesh_reason;
982 __le16 mesh_pre_value;
983 } __packed;
984
985 /**
986 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
987 * @new_channel_width: New Channel Width
988 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
989 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
990 *
991 * This structure represents the payload of the "Wide Bandwidth
992 * Channel Switch element" as described in IEEE Std 802.11-2020
993 * section 9.4.2.160.
994 */
995 struct ieee80211_wide_bw_chansw_ie {
996 u8 new_channel_width;
997 u8 new_center_freq_seg0, new_center_freq_seg1;
998 } __packed;
999
1000 /**
1001 * struct ieee80211_tim_ie - Traffic Indication Map information element
1002 * @dtim_count: DTIM Count
1003 * @dtim_period: DTIM Period
1004 * @bitmap_ctrl: Bitmap Control
1005 * @required_octet: "Syntatic sugar" to force the struct size to the
1006 * minimum valid size when carried in a non-S1G PPDU
1007 * @virtual_map: Partial Virtual Bitmap
1008 *
1009 * This structure represents the payload of the "TIM element" as
1010 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
1011 * definition is only applicable when the element is carried in a
1012 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
1013 * Control and Partial Virtual Bitmap may not be present.
1014 */
1015 struct ieee80211_tim_ie {
1016 u8 dtim_count;
1017 u8 dtim_period;
1018 u8 bitmap_ctrl;
1019 union {
1020 u8 required_octet;
1021 DECLARE_FLEX_ARRAY(u8, virtual_map);
1022 };
1023 } __packed;
1024
1025 /**
1026 * struct ieee80211_meshconf_ie - Mesh Configuration element
1027 * @meshconf_psel: Active Path Selection Protocol Identifier
1028 * @meshconf_pmetric: Active Path Selection Metric Identifier
1029 * @meshconf_congest: Congestion Control Mode Identifier
1030 * @meshconf_synch: Synchronization Method Identifier
1031 * @meshconf_auth: Authentication Protocol Identifier
1032 * @meshconf_form: Mesh Formation Info
1033 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
1034 *
1035 * This structure represents the payload of the "Mesh Configuration
1036 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
1037 */
1038 struct ieee80211_meshconf_ie {
1039 u8 meshconf_psel;
1040 u8 meshconf_pmetric;
1041 u8 meshconf_congest;
1042 u8 meshconf_synch;
1043 u8 meshconf_auth;
1044 u8 meshconf_form;
1045 u8 meshconf_cap;
1046 } __packed;
1047
1048 /**
1049 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
1050 *
1051 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
1052 * additional mesh peerings with other mesh STAs
1053 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
1054 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
1055 * is ongoing
1056 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
1057 * neighbors in deep sleep mode
1058 *
1059 * Enumerates the "Mesh Capability" as described in IEEE Std
1060 * 802.11-2020 section 9.4.2.97.7.
1061 */
1062 enum mesh_config_capab_flags {
1063 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
1064 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
1065 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
1066 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
1067 };
1068
1069 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1070
1071 /*
1072 * mesh channel switch parameters element's flag indicator
1073 *
1074 */
1075 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1076 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1077 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1078
1079 /**
1080 * struct ieee80211_rann_ie - RANN (root announcement) element
1081 * @rann_flags: Flags
1082 * @rann_hopcount: Hop Count
1083 * @rann_ttl: Element TTL
1084 * @rann_addr: Root Mesh STA Address
1085 * @rann_seq: HWMP Sequence Number
1086 * @rann_interval: Interval
1087 * @rann_metric: Metric
1088 *
1089 * This structure represents the payload of the "RANN element" as
1090 * described in IEEE Std 802.11-2020 section 9.4.2.111.
1091 */
1092 struct ieee80211_rann_ie {
1093 u8 rann_flags;
1094 u8 rann_hopcount;
1095 u8 rann_ttl;
1096 u8 rann_addr[ETH_ALEN];
1097 __le32 rann_seq;
1098 __le32 rann_interval;
1099 __le32 rann_metric;
1100 } __packed;
1101
1102 enum ieee80211_rann_flags {
1103 RANN_FLAG_IS_GATE = 1 << 0,
1104 };
1105
1106 enum ieee80211_ht_chanwidth_values {
1107 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1108 IEEE80211_HT_CHANWIDTH_ANY = 1,
1109 };
1110
1111 /**
1112 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1113 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1114 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1115 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1116 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1117 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1118 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1119 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1120 * (the NSS value is the value of this field + 1)
1121 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1122 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1123 * using a beamforming steering matrix
1124 */
1125 enum ieee80211_vht_opmode_bits {
1126 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1127 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1128 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1129 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1130 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1131 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1132 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1133 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1134 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1135 };
1136
1137 /**
1138 * enum ieee80211_s1g_chanwidth - S1G channel widths
1139 * These are defined in IEEE802.11-2016ah Table 10-20
1140 * as BSS Channel Width
1141 *
1142 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1143 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1144 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1145 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1146 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1147 */
1148 enum ieee80211_s1g_chanwidth {
1149 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1150 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1151 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1152 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1153 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1154 };
1155
1156 #define WLAN_SA_QUERY_TR_ID_LEN 2
1157 #define WLAN_MEMBERSHIP_LEN 8
1158 #define WLAN_USER_POSITION_LEN 16
1159
1160 /**
1161 * struct ieee80211_tpc_report_ie - TPC Report element
1162 * @tx_power: Transmit Power
1163 * @link_margin: Link Margin
1164 *
1165 * This structure represents the payload of the "TPC Report element" as
1166 * described in IEEE Std 802.11-2020 section 9.4.2.16.
1167 */
1168 struct ieee80211_tpc_report_ie {
1169 u8 tx_power;
1170 u8 link_margin;
1171 } __packed;
1172
1173 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1174 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1175 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1176 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1177 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1178
1179 struct ieee80211_addba_ext_ie {
1180 u8 data;
1181 } __packed;
1182
1183 /**
1184 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1185 * @compat_info: Compatibility Information
1186 * @beacon_int: Beacon Interval
1187 * @tsf_completion: TSF Completion
1188 *
1189 * This structure represents the payload of the "S1G Beacon
1190 * Compatibility element" as described in IEEE Std 802.11-2020 section
1191 * 9.4.2.196.
1192 */
1193 struct ieee80211_s1g_bcn_compat_ie {
1194 __le16 compat_info;
1195 __le16 beacon_int;
1196 __le32 tsf_completion;
1197 } __packed;
1198
1199 /**
1200 * struct ieee80211_s1g_oper_ie - S1G Operation element
1201 * @ch_width: S1G Operation Information Channel Width
1202 * @oper_class: S1G Operation Information Operating Class
1203 * @primary_ch: S1G Operation Information Primary Channel Number
1204 * @oper_ch: S1G Operation Information Channel Center Frequency
1205 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1206 *
1207 * This structure represents the payload of the "S1G Operation
1208 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1209 */
1210 struct ieee80211_s1g_oper_ie {
1211 u8 ch_width;
1212 u8 oper_class;
1213 u8 primary_ch;
1214 u8 oper_ch;
1215 __le16 basic_mcs_nss;
1216 } __packed;
1217
1218 /**
1219 * struct ieee80211_aid_response_ie - AID Response element
1220 * @aid: AID/Group AID
1221 * @switch_count: AID Switch Count
1222 * @response_int: AID Response Interval
1223 *
1224 * This structure represents the payload of the "AID Response element"
1225 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1226 */
1227 struct ieee80211_aid_response_ie {
1228 __le16 aid;
1229 u8 switch_count;
1230 __le16 response_int;
1231 } __packed;
1232
1233 struct ieee80211_s1g_cap {
1234 u8 capab_info[10];
1235 u8 supp_mcs_nss[5];
1236 } __packed;
1237
1238 struct ieee80211_ext {
1239 __le16 frame_control;
1240 __le16 duration;
1241 union {
1242 struct {
1243 u8 sa[ETH_ALEN];
1244 __le32 timestamp;
1245 u8 change_seq;
1246 u8 variable[0];
1247 } __packed s1g_beacon;
1248 struct {
1249 u8 sa[ETH_ALEN];
1250 __le32 timestamp;
1251 u8 change_seq;
1252 u8 next_tbtt[3];
1253 u8 variable[0];
1254 } __packed s1g_short_beacon;
1255 } u;
1256 } __packed __aligned(2);
1257
1258 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1259 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1260 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1261 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1262 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1263
1264 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1265 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1266 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1267 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1268 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1269 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1270 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1271 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1272
1273 enum ieee80211_twt_setup_cmd {
1274 TWT_SETUP_CMD_REQUEST,
1275 TWT_SETUP_CMD_SUGGEST,
1276 TWT_SETUP_CMD_DEMAND,
1277 TWT_SETUP_CMD_GROUPING,
1278 TWT_SETUP_CMD_ACCEPT,
1279 TWT_SETUP_CMD_ALTERNATE,
1280 TWT_SETUP_CMD_DICTATE,
1281 TWT_SETUP_CMD_REJECT,
1282 };
1283
1284 struct ieee80211_twt_params {
1285 __le16 req_type;
1286 __le64 twt;
1287 u8 min_twt_dur;
1288 __le16 mantissa;
1289 u8 channel;
1290 } __packed;
1291
1292 struct ieee80211_twt_setup {
1293 u8 dialog_token;
1294 u8 element_id;
1295 u8 length;
1296 u8 control;
1297 u8 params[];
1298 } __packed;
1299
1300 #define IEEE80211_TTLM_MAX_CNT 2
1301 #define IEEE80211_TTLM_CONTROL_DIRECTION 0x03
1302 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04
1303 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08
1304 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10
1305 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20
1306
1307 #define IEEE80211_TTLM_DIRECTION_DOWN 0
1308 #define IEEE80211_TTLM_DIRECTION_UP 1
1309 #define IEEE80211_TTLM_DIRECTION_BOTH 2
1310
1311 /**
1312 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
1313 *
1314 * Defined in section 9.4.2.314 in P802.11be_D4
1315 *
1316 * @control: the first part of control field
1317 * @optional: the second part of control field
1318 */
1319 struct ieee80211_ttlm_elem {
1320 u8 control;
1321 u8 optional[];
1322 } __packed;
1323
1324 /**
1325 * struct ieee80211_bss_load_elem - BSS Load elemen
1326 *
1327 * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1
1328 *
1329 * @sta_count: total number of STAs currently associated with the AP.
1330 * @channel_util: Percentage of time that the access point sensed the channel
1331 * was busy. This value is in range [0, 255], the highest value means
1332 * 100% busy.
1333 * @avail_admission_capa: remaining amount of medium time used for admission
1334 * control.
1335 */
1336 struct ieee80211_bss_load_elem {
1337 __le16 sta_count;
1338 u8 channel_util;
1339 __le16 avail_admission_capa;
1340 } __packed;
1341
1342 struct ieee80211_mgmt {
1343 __le16 frame_control;
1344 __le16 duration;
1345 u8 da[ETH_ALEN];
1346 u8 sa[ETH_ALEN];
1347 u8 bssid[ETH_ALEN];
1348 __le16 seq_ctrl;
1349 union {
1350 struct {
1351 __le16 auth_alg;
1352 __le16 auth_transaction;
1353 __le16 status_code;
1354 /* possibly followed by Challenge text */
1355 u8 variable[];
1356 } __packed auth;
1357 struct {
1358 __le16 reason_code;
1359 } __packed deauth;
1360 struct {
1361 __le16 capab_info;
1362 __le16 listen_interval;
1363 /* followed by SSID and Supported rates */
1364 u8 variable[];
1365 } __packed assoc_req;
1366 struct {
1367 __le16 capab_info;
1368 __le16 status_code;
1369 __le16 aid;
1370 /* followed by Supported rates */
1371 u8 variable[];
1372 } __packed assoc_resp, reassoc_resp;
1373 struct {
1374 __le16 capab_info;
1375 __le16 status_code;
1376 u8 variable[];
1377 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1378 struct {
1379 __le16 capab_info;
1380 __le16 listen_interval;
1381 u8 current_ap[ETH_ALEN];
1382 /* followed by SSID and Supported rates */
1383 u8 variable[];
1384 } __packed reassoc_req;
1385 struct {
1386 __le16 reason_code;
1387 } __packed disassoc;
1388 struct {
1389 __le64 timestamp;
1390 __le16 beacon_int;
1391 __le16 capab_info;
1392 /* followed by some of SSID, Supported rates,
1393 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1394 u8 variable[];
1395 } __packed beacon;
1396 struct {
1397 /* only variable items: SSID, Supported rates */
1398 DECLARE_FLEX_ARRAY(u8, variable);
1399 } __packed probe_req;
1400 struct {
1401 __le64 timestamp;
1402 __le16 beacon_int;
1403 __le16 capab_info;
1404 /* followed by some of SSID, Supported rates,
1405 * FH Params, DS Params, CF Params, IBSS Params */
1406 u8 variable[];
1407 } __packed probe_resp;
1408 struct {
1409 u8 category;
1410 union {
1411 struct {
1412 u8 action_code;
1413 u8 dialog_token;
1414 u8 status_code;
1415 u8 variable[];
1416 } __packed wme_action;
1417 struct{
1418 u8 action_code;
1419 u8 variable[];
1420 } __packed chan_switch;
1421 struct{
1422 u8 action_code;
1423 struct ieee80211_ext_chansw_ie data;
1424 u8 variable[];
1425 } __packed ext_chan_switch;
1426 struct{
1427 u8 action_code;
1428 u8 dialog_token;
1429 u8 element_id;
1430 u8 length;
1431 struct ieee80211_msrment_ie msr_elem;
1432 } __packed measurement;
1433 struct{
1434 u8 action_code;
1435 u8 dialog_token;
1436 __le16 capab;
1437 __le16 timeout;
1438 __le16 start_seq_num;
1439 /* followed by BA Extension */
1440 u8 variable[];
1441 } __packed addba_req;
1442 struct{
1443 u8 action_code;
1444 u8 dialog_token;
1445 __le16 status;
1446 __le16 capab;
1447 __le16 timeout;
1448 /* followed by BA Extension */
1449 u8 variable[];
1450 } __packed addba_resp;
1451 struct{
1452 u8 action_code;
1453 __le16 params;
1454 __le16 reason_code;
1455 } __packed delba;
1456 struct {
1457 u8 action_code;
1458 u8 variable[];
1459 } __packed self_prot;
1460 struct{
1461 u8 action_code;
1462 u8 variable[];
1463 } __packed mesh_action;
1464 struct {
1465 u8 action;
1466 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1467 } __packed sa_query;
1468 struct {
1469 u8 action;
1470 u8 smps_control;
1471 } __packed ht_smps;
1472 struct {
1473 u8 action_code;
1474 u8 chanwidth;
1475 } __packed ht_notify_cw;
1476 struct {
1477 u8 action_code;
1478 u8 dialog_token;
1479 __le16 capability;
1480 u8 variable[0];
1481 } __packed tdls_discover_resp;
1482 struct {
1483 u8 action_code;
1484 u8 operating_mode;
1485 } __packed vht_opmode_notif;
1486 struct {
1487 u8 action_code;
1488 u8 membership[WLAN_MEMBERSHIP_LEN];
1489 u8 position[WLAN_USER_POSITION_LEN];
1490 } __packed vht_group_notif;
1491 struct {
1492 u8 action_code;
1493 u8 dialog_token;
1494 u8 tpc_elem_id;
1495 u8 tpc_elem_length;
1496 struct ieee80211_tpc_report_ie tpc;
1497 } __packed tpc_report;
1498 struct {
1499 u8 action_code;
1500 u8 dialog_token;
1501 u8 follow_up;
1502 u8 tod[6];
1503 u8 toa[6];
1504 __le16 tod_error;
1505 __le16 toa_error;
1506 u8 variable[];
1507 } __packed ftm;
1508 struct {
1509 u8 action_code;
1510 u8 variable[];
1511 } __packed s1g;
1512 struct {
1513 u8 action_code;
1514 u8 dialog_token;
1515 u8 follow_up;
1516 u32 tod;
1517 u32 toa;
1518 u8 max_tod_error;
1519 u8 max_toa_error;
1520 } __packed wnm_timing_msr;
1521 struct {
1522 u8 action_code;
1523 u8 dialog_token;
1524 u8 variable[];
1525 } __packed ttlm_req;
1526 struct {
1527 u8 action_code;
1528 u8 dialog_token;
1529 u8 status_code;
1530 u8 variable[];
1531 } __packed ttlm_res;
1532 struct {
1533 u8 action_code;
1534 } __packed ttlm_tear_down;
1535 } u;
1536 } __packed action;
1537 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1538 } u;
1539 } __packed __aligned(2);
1540
1541 /* Supported rates membership selectors */
1542 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1543 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1544 #define BSS_MEMBERSHIP_SELECTOR_GLK 125
1545 #define BSS_MEMBERSHIP_SELECTOR_EPS 124
1546 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1547 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1548 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1549
1550 /* mgmt header + 1 byte category code */
1551 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1552
1553
1554 /* Management MIC information element (IEEE 802.11w) */
1555 struct ieee80211_mmie {
1556 u8 element_id;
1557 u8 length;
1558 __le16 key_id;
1559 u8 sequence_number[6];
1560 u8 mic[8];
1561 } __packed;
1562
1563 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1564 struct ieee80211_mmie_16 {
1565 u8 element_id;
1566 u8 length;
1567 __le16 key_id;
1568 u8 sequence_number[6];
1569 u8 mic[16];
1570 } __packed;
1571
1572 struct ieee80211_vendor_ie {
1573 u8 element_id;
1574 u8 len;
1575 u8 oui[3];
1576 u8 oui_type;
1577 } __packed;
1578
1579 struct ieee80211_wmm_ac_param {
1580 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1581 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1582 __le16 txop_limit;
1583 } __packed;
1584
1585 struct ieee80211_wmm_param_ie {
1586 u8 element_id; /* Element ID: 221 (0xdd); */
1587 u8 len; /* Length: 24 */
1588 /* required fields for WMM version 1 */
1589 u8 oui[3]; /* 00:50:f2 */
1590 u8 oui_type; /* 2 */
1591 u8 oui_subtype; /* 1 */
1592 u8 version; /* 1 for WMM version 1.0 */
1593 u8 qos_info; /* AP/STA specific QoS info */
1594 u8 reserved; /* 0 */
1595 /* AC_BE, AC_BK, AC_VI, AC_VO */
1596 struct ieee80211_wmm_ac_param ac[4];
1597 } __packed;
1598
1599 /* Control frames */
1600 struct ieee80211_rts {
1601 __le16 frame_control;
1602 __le16 duration;
1603 u8 ra[ETH_ALEN];
1604 u8 ta[ETH_ALEN];
1605 } __packed __aligned(2);
1606
1607 struct ieee80211_cts {
1608 __le16 frame_control;
1609 __le16 duration;
1610 u8 ra[ETH_ALEN];
1611 } __packed __aligned(2);
1612
1613 struct ieee80211_pspoll {
1614 __le16 frame_control;
1615 __le16 aid;
1616 u8 bssid[ETH_ALEN];
1617 u8 ta[ETH_ALEN];
1618 } __packed __aligned(2);
1619
1620 /* TDLS */
1621
1622 /* Channel switch timing */
1623 struct ieee80211_ch_switch_timing {
1624 __le16 switch_time;
1625 __le16 switch_timeout;
1626 } __packed;
1627
1628 /* Link-id information element */
1629 struct ieee80211_tdls_lnkie {
1630 u8 ie_type; /* Link Identifier IE */
1631 u8 ie_len;
1632 u8 bssid[ETH_ALEN];
1633 u8 init_sta[ETH_ALEN];
1634 u8 resp_sta[ETH_ALEN];
1635 } __packed;
1636
1637 struct ieee80211_tdls_data {
1638 u8 da[ETH_ALEN];
1639 u8 sa[ETH_ALEN];
1640 __be16 ether_type;
1641 u8 payload_type;
1642 u8 category;
1643 u8 action_code;
1644 union {
1645 struct {
1646 u8 dialog_token;
1647 __le16 capability;
1648 u8 variable[0];
1649 } __packed setup_req;
1650 struct {
1651 __le16 status_code;
1652 u8 dialog_token;
1653 __le16 capability;
1654 u8 variable[0];
1655 } __packed setup_resp;
1656 struct {
1657 __le16 status_code;
1658 u8 dialog_token;
1659 u8 variable[0];
1660 } __packed setup_cfm;
1661 struct {
1662 __le16 reason_code;
1663 u8 variable[0];
1664 } __packed teardown;
1665 struct {
1666 u8 dialog_token;
1667 u8 variable[0];
1668 } __packed discover_req;
1669 struct {
1670 u8 target_channel;
1671 u8 oper_class;
1672 u8 variable[0];
1673 } __packed chan_switch_req;
1674 struct {
1675 __le16 status_code;
1676 u8 variable[0];
1677 } __packed chan_switch_resp;
1678 } u;
1679 } __packed;
1680
1681 /*
1682 * Peer-to-Peer IE attribute related definitions.
1683 */
1684 /*
1685 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1686 */
1687 enum ieee80211_p2p_attr_id {
1688 IEEE80211_P2P_ATTR_STATUS = 0,
1689 IEEE80211_P2P_ATTR_MINOR_REASON,
1690 IEEE80211_P2P_ATTR_CAPABILITY,
1691 IEEE80211_P2P_ATTR_DEVICE_ID,
1692 IEEE80211_P2P_ATTR_GO_INTENT,
1693 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1694 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1695 IEEE80211_P2P_ATTR_GROUP_BSSID,
1696 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1697 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1698 IEEE80211_P2P_ATTR_MANAGABILITY,
1699 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1700 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1701 IEEE80211_P2P_ATTR_DEVICE_INFO,
1702 IEEE80211_P2P_ATTR_GROUP_INFO,
1703 IEEE80211_P2P_ATTR_GROUP_ID,
1704 IEEE80211_P2P_ATTR_INTERFACE,
1705 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1706 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1707 /* 19 - 220: Reserved */
1708 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1709
1710 IEEE80211_P2P_ATTR_MAX
1711 };
1712
1713 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1714 /* Typical max value used here */
1715 #define IEEE80211_P2P_NOA_DESC_MAX 4
1716
1717 struct ieee80211_p2p_noa_desc {
1718 u8 count;
1719 __le32 duration;
1720 __le32 interval;
1721 __le32 start_time;
1722 } __packed;
1723
1724 struct ieee80211_p2p_noa_attr {
1725 u8 index;
1726 u8 oppps_ctwindow;
1727 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1728 } __packed;
1729
1730 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1731 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1732
1733 /**
1734 * struct ieee80211_bar - Block Ack Request frame format
1735 * @frame_control: Frame Control
1736 * @duration: Duration
1737 * @ra: RA
1738 * @ta: TA
1739 * @control: BAR Control
1740 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1741 *
1742 * This structure represents the "BlockAckReq frame format"
1743 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1744 */
1745 struct ieee80211_bar {
1746 __le16 frame_control;
1747 __le16 duration;
1748 __u8 ra[ETH_ALEN];
1749 __u8 ta[ETH_ALEN];
1750 __le16 control;
1751 __le16 start_seq_num;
1752 } __packed;
1753
1754 /* 802.11 BAR control masks */
1755 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1756 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1757 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1758 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1759 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1760
1761 #define IEEE80211_HT_MCS_MASK_LEN 10
1762
1763 /**
1764 * struct ieee80211_mcs_info - Supported MCS Set field
1765 * @rx_mask: RX mask
1766 * @rx_highest: highest supported RX rate. If set represents
1767 * the highest supported RX data rate in units of 1 Mbps.
1768 * If this field is 0 this value should not be used to
1769 * consider the highest RX data rate supported.
1770 * @tx_params: TX parameters
1771 * @reserved: Reserved bits
1772 *
1773 * This structure represents the "Supported MCS Set field" as
1774 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1775 */
1776 struct ieee80211_mcs_info {
1777 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1778 __le16 rx_highest;
1779 u8 tx_params;
1780 u8 reserved[3];
1781 } __packed;
1782
1783 /* 802.11n HT capability MSC set */
1784 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1785 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1786 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1787 /* value 0 == 1 stream etc */
1788 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1789 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1790 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1791 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1792
1793 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1794
1795 /*
1796 * 802.11n D5.0 20.3.5 / 20.6 says:
1797 * - indices 0 to 7 and 32 are single spatial stream
1798 * - 8 to 31 are multiple spatial streams using equal modulation
1799 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1800 * - remainder are multiple spatial streams using unequal modulation
1801 */
1802 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1803 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1804 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1805
1806 /**
1807 * struct ieee80211_ht_cap - HT capabilities element
1808 * @cap_info: HT Capability Information
1809 * @ampdu_params_info: A-MPDU Parameters
1810 * @mcs: Supported MCS Set
1811 * @extended_ht_cap_info: HT Extended Capabilities
1812 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1813 * @antenna_selection_info: ASEL Capability
1814 *
1815 * This structure represents the payload of the "HT Capabilities
1816 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1817 */
1818 struct ieee80211_ht_cap {
1819 __le16 cap_info;
1820 u8 ampdu_params_info;
1821
1822 /* 16 bytes MCS information */
1823 struct ieee80211_mcs_info mcs;
1824
1825 __le16 extended_ht_cap_info;
1826 __le32 tx_BF_cap_info;
1827 u8 antenna_selection_info;
1828 } __packed;
1829
1830 /* 802.11n HT capabilities masks (for cap_info) */
1831 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1832 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1833 #define IEEE80211_HT_CAP_SM_PS 0x000C
1834 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1835 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1836 #define IEEE80211_HT_CAP_SGI_20 0x0020
1837 #define IEEE80211_HT_CAP_SGI_40 0x0040
1838 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1839 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1840 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1841 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1842 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1843 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1844 #define IEEE80211_HT_CAP_RESERVED 0x2000
1845 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1846 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1847
1848 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1849 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1850 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1851 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1852 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1853 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1854 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1855 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1856
1857 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1858 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1859 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1860 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1861
1862 /*
1863 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1864 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1865 */
1866 enum ieee80211_max_ampdu_length_exp {
1867 IEEE80211_HT_MAX_AMPDU_8K = 0,
1868 IEEE80211_HT_MAX_AMPDU_16K = 1,
1869 IEEE80211_HT_MAX_AMPDU_32K = 2,
1870 IEEE80211_HT_MAX_AMPDU_64K = 3
1871 };
1872
1873 /*
1874 * Maximum length of AMPDU that the STA can receive in VHT.
1875 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1876 */
1877 enum ieee80211_vht_max_ampdu_length_exp {
1878 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1879 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1880 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1881 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1882 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1883 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1884 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1885 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1886 };
1887
1888 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1889
1890 /* Minimum MPDU start spacing */
1891 enum ieee80211_min_mpdu_spacing {
1892 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1893 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1894 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1895 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1896 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1897 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1898 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1899 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1900 };
1901
1902 /**
1903 * struct ieee80211_ht_operation - HT operation IE
1904 * @primary_chan: Primary Channel
1905 * @ht_param: HT Operation Information parameters
1906 * @operation_mode: HT Operation Information operation mode
1907 * @stbc_param: HT Operation Information STBC params
1908 * @basic_set: Basic HT-MCS Set
1909 *
1910 * This structure represents the payload of the "HT Operation
1911 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1912 */
1913 struct ieee80211_ht_operation {
1914 u8 primary_chan;
1915 u8 ht_param;
1916 __le16 operation_mode;
1917 __le16 stbc_param;
1918 u8 basic_set[16];
1919 } __packed;
1920
1921 /* for ht_param */
1922 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1923 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1924 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1925 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1926 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1927 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1928
1929 /* for operation_mode */
1930 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1931 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1932 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1933 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1934 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1935 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1936 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1937 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1938 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1939
1940 /* for stbc_param */
1941 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1942 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1943 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1944 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1945 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1946 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1947
1948
1949 /* block-ack parameters */
1950 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1951 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1952 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1953 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1954 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1955 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1956
1957 /*
1958 * A-MPDU buffer sizes
1959 * According to HT size varies from 8 to 64 frames
1960 * HE adds the ability to have up to 256 frames.
1961 * EHT adds the ability to have up to 1K frames.
1962 */
1963 #define IEEE80211_MIN_AMPDU_BUF 0x8
1964 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1965 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1966 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1967
1968
1969 /* Spatial Multiplexing Power Save Modes (for capability) */
1970 #define WLAN_HT_CAP_SM_PS_STATIC 0
1971 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1972 #define WLAN_HT_CAP_SM_PS_INVALID 2
1973 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1974
1975 /* for SM power control field lower two bits */
1976 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1977 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1978 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1979
1980 /**
1981 * struct ieee80211_vht_mcs_info - VHT MCS information
1982 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1983 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1984 * STA can receive. Rate expressed in units of 1 Mbps.
1985 * If this field is 0 this value should not be used to
1986 * consider the highest RX data rate supported.
1987 * The top 3 bits of this field indicate the Maximum NSTS,total
1988 * (a beamformee capability.)
1989 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1990 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1991 * STA can transmit. Rate expressed in units of 1 Mbps.
1992 * If this field is 0 this value should not be used to
1993 * consider the highest TX data rate supported.
1994 * The top 2 bits of this field are reserved, the
1995 * 3rd bit from the top indiciates VHT Extended NSS BW
1996 * Capability.
1997 */
1998 struct ieee80211_vht_mcs_info {
1999 __le16 rx_mcs_map;
2000 __le16 rx_highest;
2001 __le16 tx_mcs_map;
2002 __le16 tx_highest;
2003 } __packed;
2004
2005 /* for rx_highest */
2006 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
2007 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
2008
2009 /* for tx_highest */
2010 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
2011
2012 /**
2013 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
2014 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2015 * number of streams
2016 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
2017 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2018 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
2019 *
2020 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
2021 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
2022 * both split into 8 subfields by number of streams. These values indicate
2023 * which MCSes are supported for the number of streams the value appears
2024 * for.
2025 */
2026 enum ieee80211_vht_mcs_support {
2027 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
2028 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
2029 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
2030 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
2031 };
2032
2033 /**
2034 * struct ieee80211_vht_cap - VHT capabilities
2035 *
2036 * This structure is the "VHT capabilities element" as
2037 * described in 802.11ac D3.0 8.4.2.160
2038 * @vht_cap_info: VHT capability info
2039 * @supp_mcs: VHT MCS supported rates
2040 */
2041 struct ieee80211_vht_cap {
2042 __le32 vht_cap_info;
2043 struct ieee80211_vht_mcs_info supp_mcs;
2044 } __packed;
2045
2046 /**
2047 * enum ieee80211_vht_chanwidth - VHT channel width
2048 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
2049 * determine the channel width (20 or 40 MHz)
2050 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
2051 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
2052 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
2053 */
2054 enum ieee80211_vht_chanwidth {
2055 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
2056 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
2057 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
2058 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
2059 };
2060
2061 /**
2062 * struct ieee80211_vht_operation - VHT operation IE
2063 *
2064 * This structure is the "VHT operation element" as
2065 * described in 802.11ac D3.0 8.4.2.161
2066 * @chan_width: Operating channel width
2067 * @center_freq_seg0_idx: center freq segment 0 index
2068 * @center_freq_seg1_idx: center freq segment 1 index
2069 * @basic_mcs_set: VHT Basic MCS rate set
2070 */
2071 struct ieee80211_vht_operation {
2072 u8 chan_width;
2073 u8 center_freq_seg0_idx;
2074 u8 center_freq_seg1_idx;
2075 __le16 basic_mcs_set;
2076 } __packed;
2077
2078 /**
2079 * struct ieee80211_he_cap_elem - HE capabilities element
2080 * @mac_cap_info: HE MAC Capabilities Information
2081 * @phy_cap_info: HE PHY Capabilities Information
2082 *
2083 * This structure represents the fixed fields of the payload of the
2084 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2085 * sections 9.4.2.248.2 and 9.4.2.248.3.
2086 */
2087 struct ieee80211_he_cap_elem {
2088 u8 mac_cap_info[6];
2089 u8 phy_cap_info[11];
2090 } __packed;
2091
2092 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
2093
2094 /**
2095 * enum ieee80211_he_mcs_support - HE MCS support definitions
2096 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2097 * number of streams
2098 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2099 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2100 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2101 *
2102 * These definitions are used in each 2-bit subfield of the rx_mcs_*
2103 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2104 * both split into 8 subfields by number of streams. These values indicate
2105 * which MCSes are supported for the number of streams the value appears
2106 * for.
2107 */
2108 enum ieee80211_he_mcs_support {
2109 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
2110 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
2111 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
2112 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
2113 };
2114
2115 /**
2116 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2117 *
2118 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2119 * described in P802.11ax_D2.0 section 9.4.2.237.4
2120 *
2121 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2122 * widths less than 80MHz.
2123 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2124 * widths less than 80MHz.
2125 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2126 * width 160MHz.
2127 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2128 * width 160MHz.
2129 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2130 * channel width 80p80MHz.
2131 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2132 * channel width 80p80MHz.
2133 */
2134 struct ieee80211_he_mcs_nss_supp {
2135 __le16 rx_mcs_80;
2136 __le16 tx_mcs_80;
2137 __le16 rx_mcs_160;
2138 __le16 tx_mcs_160;
2139 __le16 rx_mcs_80p80;
2140 __le16 tx_mcs_80p80;
2141 } __packed;
2142
2143 /**
2144 * struct ieee80211_he_operation - HE Operation element
2145 * @he_oper_params: HE Operation Parameters + BSS Color Information
2146 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2147 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2148 * BSSID Indicator, and 6 GHz Operation Information
2149 *
2150 * This structure represents the payload of the "HE Operation
2151 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2152 */
2153 struct ieee80211_he_operation {
2154 __le32 he_oper_params;
2155 __le16 he_mcs_nss_set;
2156 u8 optional[];
2157 } __packed;
2158
2159 /**
2160 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2161 * @he_sr_control: SR Control
2162 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2163 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2164 * Bitmap, and SRG Partial BSSID Bitmap
2165 *
2166 * This structure represents the payload of the "Spatial Reuse
2167 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2168 * section 9.4.2.252.
2169 */
2170 struct ieee80211_he_spr {
2171 u8 he_sr_control;
2172 u8 optional[];
2173 } __packed;
2174
2175 /**
2176 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2177 * @aifsn: ACI/AIFSN
2178 * @ecw_min_max: ECWmin/ECWmax
2179 * @mu_edca_timer: MU EDCA Timer
2180 *
2181 * This structure represents the "MU AC Parameter Record" as described
2182 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2183 */
2184 struct ieee80211_he_mu_edca_param_ac_rec {
2185 u8 aifsn;
2186 u8 ecw_min_max;
2187 u8 mu_edca_timer;
2188 } __packed;
2189
2190 /**
2191 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2192 * @mu_qos_info: QoS Info
2193 * @ac_be: MU AC_BE Parameter Record
2194 * @ac_bk: MU AC_BK Parameter Record
2195 * @ac_vi: MU AC_VI Parameter Record
2196 * @ac_vo: MU AC_VO Parameter Record
2197 *
2198 * This structure represents the payload of the "MU EDCA Parameter Set
2199 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2200 */
2201 struct ieee80211_mu_edca_param_set {
2202 u8 mu_qos_info;
2203 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2204 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2205 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2206 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2207 } __packed;
2208
2209 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2210 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2211
2212 /**
2213 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2214 * supported NSS for per MCS.
2215 *
2216 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2217 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2218 * for Tx.
2219 *
2220 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2221 * supported for reception and the maximum number of spatial streams
2222 * supported for transmission for MCS 0 - 7.
2223 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2224 * supported for reception and the maximum number of spatial streams
2225 * supported for transmission for MCS 8 - 9.
2226 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2227 * supported for reception and the maximum number of spatial streams
2228 * supported for transmission for MCS 10 - 11.
2229 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2230 * supported for reception and the maximum number of spatial streams
2231 * supported for transmission for MCS 12 - 13.
2232 * @rx_tx_max_nss: array of the previous fields for easier loop access
2233 */
2234 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2235 union {
2236 struct {
2237 u8 rx_tx_mcs7_max_nss;
2238 u8 rx_tx_mcs9_max_nss;
2239 u8 rx_tx_mcs11_max_nss;
2240 u8 rx_tx_mcs13_max_nss;
2241 };
2242 u8 rx_tx_max_nss[4];
2243 };
2244 };
2245
2246 /**
2247 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2248 * 20MHz only stations).
2249 *
2250 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2251 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2252 * for Tx.
2253 *
2254 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2255 * supported for reception and the maximum number of spatial streams
2256 * supported for transmission for MCS 0 - 9.
2257 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2258 * supported for reception and the maximum number of spatial streams
2259 * supported for transmission for MCS 10 - 11.
2260 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2261 * supported for reception and the maximum number of spatial streams
2262 * supported for transmission for MCS 12 - 13.
2263 * @rx_tx_max_nss: array of the previous fields for easier loop access
2264 */
2265 struct ieee80211_eht_mcs_nss_supp_bw {
2266 union {
2267 struct {
2268 u8 rx_tx_mcs9_max_nss;
2269 u8 rx_tx_mcs11_max_nss;
2270 u8 rx_tx_mcs13_max_nss;
2271 };
2272 u8 rx_tx_max_nss[3];
2273 };
2274 };
2275
2276 /**
2277 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2278 *
2279 * This structure is the "EHT Capabilities element" fixed fields as
2280 * described in P802.11be_D2.0 section 9.4.2.313.
2281 *
2282 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2283 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2284 */
2285 struct ieee80211_eht_cap_elem_fixed {
2286 u8 mac_cap_info[2];
2287 u8 phy_cap_info[9];
2288 } __packed;
2289
2290 /**
2291 * struct ieee80211_eht_cap_elem - EHT capabilities element
2292 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2293 * @optional: optional parts
2294 */
2295 struct ieee80211_eht_cap_elem {
2296 struct ieee80211_eht_cap_elem_fixed fixed;
2297
2298 /*
2299 * Followed by:
2300 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2301 * EHT PPE Thresholds field: variable length.
2302 */
2303 u8 optional[];
2304 } __packed;
2305
2306 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2307 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2308 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2309 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2310 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2311
2312 /**
2313 * struct ieee80211_eht_operation - eht operation element
2314 *
2315 * This structure is the "EHT Operation Element" fields as
2316 * described in P802.11be_D2.0 section 9.4.2.311
2317 *
2318 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2319 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2320 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2321 * receive.
2322 * @optional: optional parts
2323 */
2324 struct ieee80211_eht_operation {
2325 u8 params;
2326 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2327 u8 optional[];
2328 } __packed;
2329
2330 /**
2331 * struct ieee80211_eht_operation_info - eht operation information
2332 *
2333 * @control: EHT operation information control.
2334 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2335 * EHT BSS.
2336 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2337 * @optional: optional parts
2338 */
2339 struct ieee80211_eht_operation_info {
2340 u8 control;
2341 u8 ccfs0;
2342 u8 ccfs1;
2343 u8 optional[];
2344 } __packed;
2345
2346 /* 802.11ac VHT Capabilities */
2347 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2348 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2349 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2350 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2351 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2352 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2353 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2354 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2355 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2356 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2357 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2358 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2359 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2360 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2361 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2362 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2363 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2364 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2365 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2366 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2367 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2368 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2369 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2370 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2371 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2372 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2373 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2374 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2375 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2376 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2377 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2378 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2379 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2380 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2381 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2382 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2383 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2384 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2385 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2386
2387 /**
2388 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2389 * @cap: VHT capabilities of the peer
2390 * @bw: bandwidth to use
2391 * @mcs: MCS index to use
2392 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2393 * (rate scaling algorithm) can deal with the new logic
2394 * (dot11VHTExtendedNSSBWCapable)
2395 * @max_vht_nss: current maximum NSS as advertised by the STA in
2396 * operating mode notification, can be 0 in which case the
2397 * capability data will be used to derive this (from MCS support)
2398 * Return: The maximum NSS that can be used for the given bandwidth/MCS
2399 * combination
2400 *
2401 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2402 * vary for a given BW/MCS. This function parses the data.
2403 *
2404 * Note: This function is exported by cfg80211.
2405 */
2406 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2407 enum ieee80211_vht_chanwidth bw,
2408 int mcs, bool ext_nss_bw_capable,
2409 unsigned int max_vht_nss);
2410
2411 /* 802.11ax HE MAC capabilities */
2412 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2413 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2414 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2415 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2416 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2417 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2418 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2419 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2420 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2421 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2422 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2423 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2424 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2425 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2426 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2427 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2428 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2429
2430 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2431 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2432 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2433 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2434 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2435 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2436 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2437 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2438 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2439 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2440 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2441 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2442 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2443 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2444 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2445 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2446 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2447 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2448
2449 /* Link adaptation is split between byte HE_MAC_CAP1 and
2450 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2451 * in which case the following values apply:
2452 * 0 = No feedback.
2453 * 1 = reserved.
2454 * 2 = Unsolicited feedback.
2455 * 3 = both
2456 */
2457 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2458
2459 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2460 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2461 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2462 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2463 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2464 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2465 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2466 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2467
2468 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2469 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2470
2471 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2472 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2473 * same field in the HE capabilities.
2474 */
2475 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2476 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2477 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2478 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2479 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2480 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2481 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2482 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2483
2484 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2485 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2486 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2487 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2488 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2489 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2490 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2491 /* Multi TID agg TX is split between byte #4 and #5
2492 * The value is a combination of B39,B40,B41
2493 */
2494 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2495
2496 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2497 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2498 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2499 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2500 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2501 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2502 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2503 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2504
2505 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2506 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2507 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2508
2509 /* 802.11ax HE PHY capabilities */
2510 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2511 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2512 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2513 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2514 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2515
2516 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2517 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2518 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2519
2520 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2521 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2522 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2523 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2524 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2525 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2526 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2527 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2528 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2529 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2530
2531 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2532 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2533 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2534 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2535 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2536 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2537
2538 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2539 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2540 * case it indicates support for Tx.
2541 */
2542 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2543 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2544
2545 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2546 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2547 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2548 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2549 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2550 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2551 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2552 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2553 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2554 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2555 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2556 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2557 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2558 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2559 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2560 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2561
2562 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2563 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2564
2565 /* Minimal allowed value of Max STS under 80MHz is 3 */
2566 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2567 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2568 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2569 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2570 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2571 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2572
2573 /* Minimal allowed value of Max STS above 80MHz is 3 */
2574 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2575 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2576 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2577 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2578 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2579 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2580
2581 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2582 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2583 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2584 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2585 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2586 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2587 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2588 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2589 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2590
2591 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2592 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2593 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2594 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2595 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2596 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2597 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2598 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2599 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2600
2601 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2602 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2603
2604 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2605 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2606 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2607 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2608 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2609 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2610 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2611 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2612
2613 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2614 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2615 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2616 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2617 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2618 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2619 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2620 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2621 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2622 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2623 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2624 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2625 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2626
2627 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2628 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2629 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2630 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2631 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2632 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2633 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2634 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2635 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2636 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2637 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2638
2639 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2640 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2641 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2642 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2643 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2644 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2645 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2646 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2647 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2648 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2649 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2650 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2651
2652 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2653
2654 /* 802.11ax HE TX/RX MCS NSS Support */
2655 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2656 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2657 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2658 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2659 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2660
2661 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2662 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2663 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2664 HIGHEST_MCS_SUPPORTED_MCS8,
2665 HIGHEST_MCS_SUPPORTED_MCS9,
2666 HIGHEST_MCS_SUPPORTED_MCS10,
2667 HIGHEST_MCS_SUPPORTED_MCS11,
2668 };
2669
2670 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2671 static inline u8
2672 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2673 {
2674 u8 count = 4;
2675
2676 if (he_cap->phy_cap_info[0] &
2677 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2678 count += 4;
2679
2680 if (he_cap->phy_cap_info[0] &
2681 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2682 count += 4;
2683
2684 return count;
2685 }
2686
2687 /* 802.11ax HE PPE Thresholds */
2688 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2689 #define IEEE80211_PPE_THRES_NSS_POS (0)
2690 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2691 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2692 (BIT(5) | BIT(6))
2693 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2694 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2695 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2696 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2697
2698 /*
2699 * Calculate 802.11ax HE capabilities IE PPE field size
2700 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2701 */
2702 static inline u8
2703 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2704 {
2705 u8 n;
2706
2707 if ((phy_cap_info[6] &
2708 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2709 return 0;
2710
2711 n = hweight8(ppe_thres_hdr &
2712 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2713 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2714 IEEE80211_PPE_THRES_NSS_POS));
2715
2716 /*
2717 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2718 * total size.
2719 */
2720 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2721 n = DIV_ROUND_UP(n, 8);
2722
2723 return n;
2724 }
2725
2726 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2727 {
2728 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2729 u8 needed = sizeof(*he_cap_ie_elem);
2730
2731 if (len < needed)
2732 return false;
2733
2734 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2735 if (len < needed)
2736 return false;
2737
2738 if (he_cap_ie_elem->phy_cap_info[6] &
2739 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2740 if (len < needed + 1)
2741 return false;
2742 needed += ieee80211_he_ppe_size(data[needed],
2743 he_cap_ie_elem->phy_cap_info);
2744 }
2745
2746 return len >= needed;
2747 }
2748
2749 /* HE Operation defines */
2750 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2751 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2752 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2753 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2754 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2755 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2756 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2757 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2758 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2759 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2760 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2761 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2762
2763 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2764 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2765 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2
2766 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP 3
2767 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP 4
2768
2769 /**
2770 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2771 * @primary: primary channel
2772 * @control: control flags
2773 * @ccfs0: channel center frequency segment 0
2774 * @ccfs1: channel center frequency segment 1
2775 * @minrate: minimum rate (in 1 Mbps units)
2776 */
2777 struct ieee80211_he_6ghz_oper {
2778 u8 primary;
2779 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2780 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2781 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2782 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2783 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2784 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2785 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2786 u8 control;
2787 u8 ccfs0;
2788 u8 ccfs1;
2789 u8 minrate;
2790 } __packed;
2791
2792 /* transmit power interpretation type of transmit power envelope element */
2793 enum ieee80211_tx_power_intrpt_type {
2794 IEEE80211_TPE_LOCAL_EIRP,
2795 IEEE80211_TPE_LOCAL_EIRP_PSD,
2796 IEEE80211_TPE_REG_CLIENT_EIRP,
2797 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2798 };
2799
2800 /* category type of transmit power envelope element */
2801 enum ieee80211_tx_power_category_6ghz {
2802 IEEE80211_TPE_CAT_6GHZ_DEFAULT = 0,
2803 IEEE80211_TPE_CAT_6GHZ_SUBORDINATE = 1,
2804 };
2805
2806 /*
2807 * For IEEE80211_TPE_LOCAL_EIRP / IEEE80211_TPE_REG_CLIENT_EIRP,
2808 * setting to 63.5 dBm means no constraint.
2809 */
2810 #define IEEE80211_TPE_MAX_TX_PWR_NO_CONSTRAINT 127
2811
2812 /*
2813 * For IEEE80211_TPE_LOCAL_EIRP_PSD / IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2814 * setting to 127 indicates no PSD limit for the 20 MHz channel.
2815 */
2816 #define IEEE80211_TPE_PSD_NO_LIMIT 127
2817
2818 /**
2819 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2820 * @info: Transmit Power Information field
2821 * @variable: Maximum Transmit Power field
2822 *
2823 * This structure represents the payload of the "Transmit Power
2824 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2825 * 9.4.2.161
2826 */
2827 struct ieee80211_tx_pwr_env {
2828 u8 info;
2829 u8 variable[];
2830 } __packed;
2831
2832 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2833 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2834 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2835
2836 #define IEEE80211_TX_PWR_ENV_EXT_COUNT 0xF
2837
2838 static inline bool ieee80211_valid_tpe_element(const u8 *data, u8 len)
2839 {
2840 const struct ieee80211_tx_pwr_env *env = (const void *)data;
2841 u8 count, interpret, category;
2842 u8 needed = sizeof(*env);
2843 u8 N; /* also called N in the spec */
2844
2845 if (len < needed)
2846 return false;
2847
2848 count = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_COUNT);
2849 interpret = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
2850 category = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_CATEGORY);
2851
2852 switch (category) {
2853 case IEEE80211_TPE_CAT_6GHZ_DEFAULT:
2854 case IEEE80211_TPE_CAT_6GHZ_SUBORDINATE:
2855 break;
2856 default:
2857 return false;
2858 }
2859
2860 switch (interpret) {
2861 case IEEE80211_TPE_LOCAL_EIRP:
2862 case IEEE80211_TPE_REG_CLIENT_EIRP:
2863 if (count > 3)
2864 return false;
2865
2866 /* count == 0 encodes 1 value for 20 MHz, etc. */
2867 needed += count + 1;
2868
2869 if (len < needed)
2870 return false;
2871
2872 /* there can be extension fields not accounted for in 'count' */
2873
2874 return true;
2875 case IEEE80211_TPE_LOCAL_EIRP_PSD:
2876 case IEEE80211_TPE_REG_CLIENT_EIRP_PSD:
2877 if (count > 4)
2878 return false;
2879
2880 N = count ? 1 << (count - 1) : 1;
2881 needed += N;
2882
2883 if (len < needed)
2884 return false;
2885
2886 if (len > needed) {
2887 u8 K = u8_get_bits(env->variable[N],
2888 IEEE80211_TX_PWR_ENV_EXT_COUNT);
2889
2890 needed += 1 + K;
2891 if (len < needed)
2892 return false;
2893 }
2894
2895 return true;
2896 }
2897
2898 return false;
2899 }
2900
2901 /*
2902 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2903 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2904 * after the ext ID byte. It is assumed that he_oper_ie has at least
2905 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2906 * validated this.
2907 * @return the actual size of the IE data (not including header), or 0 on error
2908 */
2909 static inline u8
2910 ieee80211_he_oper_size(const u8 *he_oper_ie)
2911 {
2912 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2913 u8 oper_len = sizeof(struct ieee80211_he_operation);
2914 u32 he_oper_params;
2915
2916 /* Make sure the input is not NULL */
2917 if (!he_oper_ie)
2918 return 0;
2919
2920 /* Calc required length */
2921 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2922 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2923 oper_len += 3;
2924 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2925 oper_len++;
2926 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2927 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2928
2929 /* Add the first byte (extension ID) to the total length */
2930 oper_len++;
2931
2932 return oper_len;
2933 }
2934
2935 /**
2936 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2937 * @he_oper: HE operation element (must be pre-validated for size)
2938 * but may be %NULL
2939 *
2940 * Return: a pointer to the 6 GHz operation field, or %NULL
2941 */
2942 static inline const struct ieee80211_he_6ghz_oper *
2943 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2944 {
2945 const u8 *ret;
2946 u32 he_oper_params;
2947
2948 if (!he_oper)
2949 return NULL;
2950
2951 ret = (const void *)&he_oper->optional;
2952
2953 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2954
2955 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2956 return NULL;
2957 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2958 ret += 3;
2959 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2960 ret++;
2961
2962 return (const void *)ret;
2963 }
2964
2965 /* HE Spatial Reuse defines */
2966 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2967 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2968 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2969 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2970 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2971
2972 /*
2973 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2974 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2975 * after the ext ID byte. It is assumed that he_spr_ie has at least
2976 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2977 * this
2978 * @return the actual size of the IE data (not including header), or 0 on error
2979 */
2980 static inline u8
2981 ieee80211_he_spr_size(const u8 *he_spr_ie)
2982 {
2983 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2984 u8 spr_len = sizeof(struct ieee80211_he_spr);
2985 u8 he_spr_params;
2986
2987 /* Make sure the input is not NULL */
2988 if (!he_spr_ie)
2989 return 0;
2990
2991 /* Calc required length */
2992 he_spr_params = he_spr->he_sr_control;
2993 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2994 spr_len++;
2995 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2996 spr_len += 18;
2997
2998 /* Add the first byte (extension ID) to the total length */
2999 spr_len++;
3000
3001 return spr_len;
3002 }
3003
3004 /* S1G Capabilities Information field */
3005 #define IEEE80211_S1G_CAPABILITY_LEN 15
3006
3007 #define S1G_CAP0_S1G_LONG BIT(0)
3008 #define S1G_CAP0_SGI_1MHZ BIT(1)
3009 #define S1G_CAP0_SGI_2MHZ BIT(2)
3010 #define S1G_CAP0_SGI_4MHZ BIT(3)
3011 #define S1G_CAP0_SGI_8MHZ BIT(4)
3012 #define S1G_CAP0_SGI_16MHZ BIT(5)
3013 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
3014
3015 #define S1G_SUPP_CH_WIDTH_2 0
3016 #define S1G_SUPP_CH_WIDTH_4 1
3017 #define S1G_SUPP_CH_WIDTH_8 2
3018 #define S1G_SUPP_CH_WIDTH_16 3
3019 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
3020 cap[0])) << 1)
3021
3022 #define S1G_CAP1_RX_LDPC BIT(0)
3023 #define S1G_CAP1_TX_STBC BIT(1)
3024 #define S1G_CAP1_RX_STBC BIT(2)
3025 #define S1G_CAP1_SU_BFER BIT(3)
3026 #define S1G_CAP1_SU_BFEE BIT(4)
3027 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
3028
3029 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
3030 #define S1G_CAP2_MU_BFER BIT(3)
3031 #define S1G_CAP2_MU_BFEE BIT(4)
3032 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
3033 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
3034
3035 #define S1G_CAP3_RD_RESPONDER BIT(0)
3036 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
3037 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
3038 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
3039 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
3040
3041 #define S1G_CAP4_UPLINK_SYNC BIT(0)
3042 #define S1G_CAP4_DYNAMIC_AID BIT(1)
3043 #define S1G_CAP4_BAT BIT(2)
3044 #define S1G_CAP4_TIME_ADE BIT(3)
3045 #define S1G_CAP4_NON_TIM BIT(4)
3046 #define S1G_CAP4_GROUP_AID BIT(5)
3047 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
3048
3049 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
3050 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
3051 #define S1G_CAP5_AMSDU BIT(2)
3052 #define S1G_CAP5_AMPDU BIT(3)
3053 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
3054 #define S1G_CAP5_FLOW_CONTROL BIT(5)
3055 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
3056
3057 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
3058 #define S1G_CAP6_FRAGMENT_BA BIT(1)
3059 #define S1G_CAP6_NDP_PS_POLL BIT(2)
3060 #define S1G_CAP6_RAW_OPERATION BIT(3)
3061 #define S1G_CAP6_PAGE_SLICING BIT(4)
3062 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
3063 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
3064
3065 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
3066 #define S1G_CAP7_DUP_1MHZ BIT(1)
3067 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
3068 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
3069 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
3070 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
3071 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
3072 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
3073
3074 #define S1G_CAP8_TWT_GROUPING BIT(0)
3075 #define S1G_CAP8_BDT BIT(1)
3076 #define S1G_CAP8_COLOR GENMASK(4, 2)
3077 #define S1G_CAP8_TWT_REQUEST BIT(5)
3078 #define S1G_CAP8_TWT_RESPOND BIT(6)
3079 #define S1G_CAP8_PV1_FRAME BIT(7)
3080
3081 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
3082
3083 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
3084 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
3085
3086 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
3087 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
3088 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
3089 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
3090 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
3091 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
3092 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
3093 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
3094 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
3095 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
3096 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
3097
3098 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
3099
3100 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
3101 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
3102 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
3103 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
3104 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
3105 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
3106 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
3107
3108 /* EHT beamformee number of spatial streams <= 80MHz is split */
3109 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
3110 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
3111
3112 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
3113 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
3114
3115 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
3116 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
3117
3118 /* EHT number of sounding dimensions for 320MHz is split */
3119 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
3120 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
3121 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
3122 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
3123 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
3124 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
3125 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
3126 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
3127 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
3128
3129 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
3130 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
3131 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
3132 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
3133 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
3134
3135 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
3136 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
3137 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
3138 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
3139 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
3140 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
3141 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
3142 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
3143 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
3144
3145 /* Maximum number of supported EHT LTF is split */
3146 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
3147 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
3148 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
3149
3150 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08
3151 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30
3152 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40
3153 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
3154 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
3155
3156 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3157 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3158 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3159 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3160 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3161 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3162 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3163 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3164
3165 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3166 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3167
3168 /*
3169 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3170 */
3171 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3172 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3173 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3174 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3175 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3176 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3177
3178 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3179 static inline u8
3180 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3181 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3182 bool from_ap)
3183 {
3184 u8 count = 0;
3185
3186 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3187 if (he_cap->phy_cap_info[0] &
3188 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3189 return 3;
3190
3191 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3192 if (he_cap->phy_cap_info[0] &
3193 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3194 count += 3;
3195
3196 if (he_cap->phy_cap_info[0] &
3197 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3198 count += 3;
3199
3200 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3201 count += 3;
3202
3203 if (count)
3204 return count;
3205
3206 return from_ap ? 3 : 4;
3207 }
3208
3209 /* 802.11be EHT PPE Thresholds */
3210 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3211 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3212 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3213 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3214 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3215
3216 /*
3217 * Calculate 802.11be EHT capabilities IE EHT field size
3218 */
3219 static inline u8
3220 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3221 {
3222 u32 n;
3223
3224 if (!(phy_cap_info[5] &
3225 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3226 return 0;
3227
3228 n = hweight16(ppe_thres_hdr &
3229 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3230 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3231
3232 /*
3233 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3234 * total size.
3235 */
3236 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3237 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3238 return DIV_ROUND_UP(n, 8);
3239 }
3240
3241 static inline bool
3242 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3243 bool from_ap)
3244 {
3245 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3246 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3247
3248 if (len < needed || !he_capa)
3249 return false;
3250
3251 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3252 (const void *)data,
3253 from_ap);
3254 if (len < needed)
3255 return false;
3256
3257 if (elem->phy_cap_info[5] &
3258 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3259 u16 ppe_thres_hdr;
3260
3261 if (len < needed + sizeof(ppe_thres_hdr))
3262 return false;
3263
3264 ppe_thres_hdr = get_unaligned_le16(data + needed);
3265 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3266 elem->phy_cap_info);
3267 }
3268
3269 return len >= needed;
3270 }
3271
3272 static inline bool
3273 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3274 {
3275 const struct ieee80211_eht_operation *elem = (const void *)data;
3276 u8 needed = sizeof(*elem);
3277
3278 if (len < needed)
3279 return false;
3280
3281 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3282 needed += 3;
3283
3284 if (elem->params &
3285 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3286 needed += 2;
3287 }
3288
3289 return len >= needed;
3290 }
3291
3292 /* must validate ieee80211_eht_oper_size_ok() first */
3293 static inline u16
3294 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper)
3295 {
3296 const struct ieee80211_eht_operation_info *info =
3297 (const void *)eht_oper->optional;
3298
3299 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT))
3300 return 0;
3301
3302 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT))
3303 return 0;
3304
3305 return get_unaligned_le16(info->optional);
3306 }
3307
3308 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1)
3309
3310 struct ieee80211_bandwidth_indication {
3311 u8 params;
3312 struct ieee80211_eht_operation_info info;
3313 } __packed;
3314
3315 static inline bool
3316 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3317 {
3318 const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3319
3320 if (len < sizeof(*bwi))
3321 return false;
3322
3323 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3324 len < sizeof(*bwi) + 2)
3325 return false;
3326
3327 return true;
3328 }
3329
3330 #define LISTEN_INT_USF GENMASK(15, 14)
3331 #define LISTEN_INT_UI GENMASK(13, 0)
3332
3333 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3334 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3335
3336 /* Authentication algorithms */
3337 #define WLAN_AUTH_OPEN 0
3338 #define WLAN_AUTH_SHARED_KEY 1
3339 #define WLAN_AUTH_FT 2
3340 #define WLAN_AUTH_SAE 3
3341 #define WLAN_AUTH_FILS_SK 4
3342 #define WLAN_AUTH_FILS_SK_PFS 5
3343 #define WLAN_AUTH_FILS_PK 6
3344 #define WLAN_AUTH_LEAP 128
3345
3346 #define WLAN_AUTH_CHALLENGE_LEN 128
3347
3348 #define WLAN_CAPABILITY_ESS (1<<0)
3349 #define WLAN_CAPABILITY_IBSS (1<<1)
3350
3351 /*
3352 * A mesh STA sets the ESS and IBSS capability bits to zero.
3353 * however, this holds true for p2p probe responses (in the p2p_find
3354 * phase) as well.
3355 */
3356 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3357 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3358
3359 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3360 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3361 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3362 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3363 #define WLAN_CAPABILITY_PBCC (1<<6)
3364 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3365
3366 /* 802.11h */
3367 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3368 #define WLAN_CAPABILITY_QOS (1<<9)
3369 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3370 #define WLAN_CAPABILITY_APSD (1<<11)
3371 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3372 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3373 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3374 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3375
3376 /* DMG (60gHz) 802.11ad */
3377 /* type - bits 0..1 */
3378 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3379 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3380 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3381 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3382
3383 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3384 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3385 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3386 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3387
3388 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3389 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3390
3391 /* measurement */
3392 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3393 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3394 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3395
3396 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3397 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3398 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3399 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3400 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3401
3402 /* 802.11g ERP information element */
3403 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3404 #define WLAN_ERP_USE_PROTECTION (1<<1)
3405 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3406
3407 /* WLAN_ERP_BARKER_PREAMBLE values */
3408 enum {
3409 WLAN_ERP_PREAMBLE_SHORT = 0,
3410 WLAN_ERP_PREAMBLE_LONG = 1,
3411 };
3412
3413 /* Band ID, 802.11ad #8.4.1.45 */
3414 enum {
3415 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3416 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3417 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3418 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3419 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3420 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3421 };
3422
3423 /* Status codes */
3424 enum ieee80211_statuscode {
3425 WLAN_STATUS_SUCCESS = 0,
3426 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3427 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3428 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3429 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3430 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3431 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3432 WLAN_STATUS_CHALLENGE_FAIL = 15,
3433 WLAN_STATUS_AUTH_TIMEOUT = 16,
3434 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3435 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3436 /* 802.11b */
3437 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3438 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3439 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3440 /* 802.11h */
3441 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3442 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3443 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3444 /* 802.11g */
3445 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3446 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3447 /* 802.11w */
3448 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3449 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3450 /* 802.11i */
3451 WLAN_STATUS_INVALID_IE = 40,
3452 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3453 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3454 WLAN_STATUS_INVALID_AKMP = 43,
3455 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3456 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3457 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3458 /* 802.11e */
3459 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3460 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3461 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3462 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3463 WLAN_STATUS_REQUEST_DECLINED = 37,
3464 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3465 WLAN_STATUS_CHANGE_TSPEC = 39,
3466 WLAN_STATUS_WAIT_TS_DELAY = 47,
3467 WLAN_STATUS_NO_DIRECT_LINK = 48,
3468 WLAN_STATUS_STA_NOT_PRESENT = 49,
3469 WLAN_STATUS_STA_NOT_QSTA = 50,
3470 /* 802.11s */
3471 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3472 WLAN_STATUS_FCG_NOT_SUPP = 78,
3473 WLAN_STATUS_STA_NO_TBTT = 78,
3474 /* 802.11ad */
3475 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3476 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3477 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3478 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3479 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3480 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3481 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3482 WLAN_STATUS_REJECT_DSE_BAND = 96,
3483 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3484 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3485 /* 802.11ai */
3486 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3487 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3488 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3489 WLAN_STATUS_SAE_PK = 127,
3490 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133,
3491 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134,
3492 };
3493
3494
3495 /* Reason codes */
3496 enum ieee80211_reasoncode {
3497 WLAN_REASON_UNSPECIFIED = 1,
3498 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3499 WLAN_REASON_DEAUTH_LEAVING = 3,
3500 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3501 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3502 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3503 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3504 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3505 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3506 /* 802.11h */
3507 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3508 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3509 /* 802.11i */
3510 WLAN_REASON_INVALID_IE = 13,
3511 WLAN_REASON_MIC_FAILURE = 14,
3512 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3513 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3514 WLAN_REASON_IE_DIFFERENT = 17,
3515 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3516 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3517 WLAN_REASON_INVALID_AKMP = 20,
3518 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3519 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3520 WLAN_REASON_IEEE8021X_FAILED = 23,
3521 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3522 /* TDLS (802.11z) */
3523 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3524 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3525 /* 802.11e */
3526 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3527 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3528 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3529 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3530 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3531 WLAN_REASON_QSTA_NOT_USE = 37,
3532 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3533 WLAN_REASON_QSTA_TIMEOUT = 39,
3534 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3535 /* 802.11s */
3536 WLAN_REASON_MESH_PEER_CANCELED = 52,
3537 WLAN_REASON_MESH_MAX_PEERS = 53,
3538 WLAN_REASON_MESH_CONFIG = 54,
3539 WLAN_REASON_MESH_CLOSE = 55,
3540 WLAN_REASON_MESH_MAX_RETRIES = 56,
3541 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3542 WLAN_REASON_MESH_INVALID_GTK = 58,
3543 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3544 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3545 WLAN_REASON_MESH_PATH_ERROR = 61,
3546 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3547 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3548 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3549 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3550 WLAN_REASON_MESH_CHAN = 66,
3551 };
3552
3553
3554 /* Information Element IDs */
3555 enum ieee80211_eid {
3556 WLAN_EID_SSID = 0,
3557 WLAN_EID_SUPP_RATES = 1,
3558 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3559 WLAN_EID_DS_PARAMS = 3,
3560 WLAN_EID_CF_PARAMS = 4,
3561 WLAN_EID_TIM = 5,
3562 WLAN_EID_IBSS_PARAMS = 6,
3563 WLAN_EID_COUNTRY = 7,
3564 /* 8, 9 reserved */
3565 WLAN_EID_REQUEST = 10,
3566 WLAN_EID_QBSS_LOAD = 11,
3567 WLAN_EID_EDCA_PARAM_SET = 12,
3568 WLAN_EID_TSPEC = 13,
3569 WLAN_EID_TCLAS = 14,
3570 WLAN_EID_SCHEDULE = 15,
3571 WLAN_EID_CHALLENGE = 16,
3572 /* 17-31 reserved for challenge text extension */
3573 WLAN_EID_PWR_CONSTRAINT = 32,
3574 WLAN_EID_PWR_CAPABILITY = 33,
3575 WLAN_EID_TPC_REQUEST = 34,
3576 WLAN_EID_TPC_REPORT = 35,
3577 WLAN_EID_SUPPORTED_CHANNELS = 36,
3578 WLAN_EID_CHANNEL_SWITCH = 37,
3579 WLAN_EID_MEASURE_REQUEST = 38,
3580 WLAN_EID_MEASURE_REPORT = 39,
3581 WLAN_EID_QUIET = 40,
3582 WLAN_EID_IBSS_DFS = 41,
3583 WLAN_EID_ERP_INFO = 42,
3584 WLAN_EID_TS_DELAY = 43,
3585 WLAN_EID_TCLAS_PROCESSING = 44,
3586 WLAN_EID_HT_CAPABILITY = 45,
3587 WLAN_EID_QOS_CAPA = 46,
3588 /* 47 reserved for Broadcom */
3589 WLAN_EID_RSN = 48,
3590 WLAN_EID_802_15_COEX = 49,
3591 WLAN_EID_EXT_SUPP_RATES = 50,
3592 WLAN_EID_AP_CHAN_REPORT = 51,
3593 WLAN_EID_NEIGHBOR_REPORT = 52,
3594 WLAN_EID_RCPI = 53,
3595 WLAN_EID_MOBILITY_DOMAIN = 54,
3596 WLAN_EID_FAST_BSS_TRANSITION = 55,
3597 WLAN_EID_TIMEOUT_INTERVAL = 56,
3598 WLAN_EID_RIC_DATA = 57,
3599 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3600 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3601 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3602 WLAN_EID_HT_OPERATION = 61,
3603 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3604 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3605 WLAN_EID_ANTENNA_INFO = 64,
3606 WLAN_EID_RSNI = 65,
3607 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3608 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3609 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3610 WLAN_EID_TIME_ADVERTISEMENT = 69,
3611 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3612 WLAN_EID_MULTIPLE_BSSID = 71,
3613 WLAN_EID_BSS_COEX_2040 = 72,
3614 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3615 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3616 WLAN_EID_RIC_DESCRIPTOR = 75,
3617 WLAN_EID_MMIE = 76,
3618 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3619 WLAN_EID_EVENT_REQUEST = 78,
3620 WLAN_EID_EVENT_REPORT = 79,
3621 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3622 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3623 WLAN_EID_LOCATION_PARAMS = 82,
3624 WLAN_EID_NON_TX_BSSID_CAP = 83,
3625 WLAN_EID_SSID_LIST = 84,
3626 WLAN_EID_MULTI_BSSID_IDX = 85,
3627 WLAN_EID_FMS_DESCRIPTOR = 86,
3628 WLAN_EID_FMS_REQUEST = 87,
3629 WLAN_EID_FMS_RESPONSE = 88,
3630 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3631 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3632 WLAN_EID_TSF_REQUEST = 91,
3633 WLAN_EID_TSF_RESPOSNE = 92,
3634 WLAN_EID_WNM_SLEEP_MODE = 93,
3635 WLAN_EID_TIM_BCAST_REQ = 94,
3636 WLAN_EID_TIM_BCAST_RESP = 95,
3637 WLAN_EID_COLL_IF_REPORT = 96,
3638 WLAN_EID_CHANNEL_USAGE = 97,
3639 WLAN_EID_TIME_ZONE = 98,
3640 WLAN_EID_DMS_REQUEST = 99,
3641 WLAN_EID_DMS_RESPONSE = 100,
3642 WLAN_EID_LINK_ID = 101,
3643 WLAN_EID_WAKEUP_SCHEDUL = 102,
3644 /* 103 reserved */
3645 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3646 WLAN_EID_PTI_CONTROL = 105,
3647 WLAN_EID_PU_BUFFER_STATUS = 106,
3648 WLAN_EID_INTERWORKING = 107,
3649 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3650 WLAN_EID_EXPEDITED_BW_REQ = 109,
3651 WLAN_EID_QOS_MAP_SET = 110,
3652 WLAN_EID_ROAMING_CONSORTIUM = 111,
3653 WLAN_EID_EMERGENCY_ALERT = 112,
3654 WLAN_EID_MESH_CONFIG = 113,
3655 WLAN_EID_MESH_ID = 114,
3656 WLAN_EID_LINK_METRIC_REPORT = 115,
3657 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3658 WLAN_EID_PEER_MGMT = 117,
3659 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3660 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3661 WLAN_EID_BEACON_TIMING = 120,
3662 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3663 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3664 WLAN_EID_MCCAOP_ADVERT = 123,
3665 WLAN_EID_MCCAOP_TEARDOWN = 124,
3666 WLAN_EID_GANN = 125,
3667 WLAN_EID_RANN = 126,
3668 WLAN_EID_EXT_CAPABILITY = 127,
3669 /* 128, 129 reserved for Agere */
3670 WLAN_EID_PREQ = 130,
3671 WLAN_EID_PREP = 131,
3672 WLAN_EID_PERR = 132,
3673 /* 133-136 reserved for Cisco */
3674 WLAN_EID_PXU = 137,
3675 WLAN_EID_PXUC = 138,
3676 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3677 WLAN_EID_MIC = 140,
3678 WLAN_EID_DESTINATION_URI = 141,
3679 WLAN_EID_UAPSD_COEX = 142,
3680 WLAN_EID_WAKEUP_SCHEDULE = 143,
3681 WLAN_EID_EXT_SCHEDULE = 144,
3682 WLAN_EID_STA_AVAILABILITY = 145,
3683 WLAN_EID_DMG_TSPEC = 146,
3684 WLAN_EID_DMG_AT = 147,
3685 WLAN_EID_DMG_CAP = 148,
3686 /* 149 reserved for Cisco */
3687 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3688 WLAN_EID_DMG_OPERATION = 151,
3689 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3690 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3691 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3692 /* 155-156 reserved for Cisco */
3693 WLAN_EID_AWAKE_WINDOW = 157,
3694 WLAN_EID_MULTI_BAND = 158,
3695 WLAN_EID_ADDBA_EXT = 159,
3696 WLAN_EID_NEXT_PCP_LIST = 160,
3697 WLAN_EID_PCP_HANDOVER = 161,
3698 WLAN_EID_DMG_LINK_MARGIN = 162,
3699 WLAN_EID_SWITCHING_STREAM = 163,
3700 WLAN_EID_SESSION_TRANSITION = 164,
3701 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3702 WLAN_EID_CLUSTER_REPORT = 166,
3703 WLAN_EID_RELAY_CAP = 167,
3704 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3705 WLAN_EID_BEAM_LINK_MAINT = 169,
3706 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3707 WLAN_EID_U_PID = 171,
3708 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3709 /* 173 reserved for Symbol */
3710 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3711 WLAN_EID_QUIET_PERIOD_REQ = 175,
3712 /* 176 reserved for Symbol */
3713 WLAN_EID_QUIET_PERIOD_RESP = 177,
3714 /* 178-179 reserved for Symbol */
3715 /* 180 reserved for ISO/IEC 20011 */
3716 WLAN_EID_EPAC_POLICY = 182,
3717 WLAN_EID_CLISTER_TIME_OFF = 183,
3718 WLAN_EID_INTER_AC_PRIO = 184,
3719 WLAN_EID_SCS_DESCRIPTOR = 185,
3720 WLAN_EID_QLOAD_REPORT = 186,
3721 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3722 WLAN_EID_HL_STREAM_ID = 188,
3723 WLAN_EID_GCR_GROUP_ADDR = 189,
3724 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3725 WLAN_EID_VHT_CAPABILITY = 191,
3726 WLAN_EID_VHT_OPERATION = 192,
3727 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3728 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3729 WLAN_EID_TX_POWER_ENVELOPE = 195,
3730 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3731 WLAN_EID_AID = 197,
3732 WLAN_EID_QUIET_CHANNEL = 198,
3733 WLAN_EID_OPMODE_NOTIF = 199,
3734
3735 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3736
3737 WLAN_EID_AID_REQUEST = 210,
3738 WLAN_EID_AID_RESPONSE = 211,
3739 WLAN_EID_S1G_BCN_COMPAT = 213,
3740 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3741 WLAN_EID_S1G_TWT = 216,
3742 WLAN_EID_S1G_CAPABILITIES = 217,
3743 WLAN_EID_VENDOR_SPECIFIC = 221,
3744 WLAN_EID_QOS_PARAMETER = 222,
3745 WLAN_EID_S1G_OPERATION = 232,
3746 WLAN_EID_CAG_NUMBER = 237,
3747 WLAN_EID_AP_CSN = 239,
3748 WLAN_EID_FILS_INDICATION = 240,
3749 WLAN_EID_DILS = 241,
3750 WLAN_EID_FRAGMENT = 242,
3751 WLAN_EID_RSNX = 244,
3752 WLAN_EID_EXTENSION = 255
3753 };
3754
3755 /* Element ID Extensions for Element ID 255 */
3756 enum ieee80211_eid_ext {
3757 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3758 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3759 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3760 WLAN_EID_EXT_FILS_SESSION = 4,
3761 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3762 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3763 WLAN_EID_EXT_KEY_DELIVERY = 7,
3764 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3765 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3766 WLAN_EID_EXT_FILS_NONCE = 13,
3767 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3768 WLAN_EID_EXT_HE_CAPABILITY = 35,
3769 WLAN_EID_EXT_HE_OPERATION = 36,
3770 WLAN_EID_EXT_UORA = 37,
3771 WLAN_EID_EXT_HE_MU_EDCA = 38,
3772 WLAN_EID_EXT_HE_SPR = 39,
3773 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3774 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3775 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3776 WLAN_EID_EXT_ESS_REPORT = 45,
3777 WLAN_EID_EXT_OPS = 46,
3778 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3779 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3780 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3781 WLAN_EID_EXT_NON_INHERITANCE = 56,
3782 WLAN_EID_EXT_KNOWN_BSSID = 57,
3783 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3784 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3785 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3786 WLAN_EID_EXT_EHT_OPERATION = 106,
3787 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3788 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3789 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3790 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3791 };
3792
3793 /* Action category code */
3794 enum ieee80211_category {
3795 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3796 WLAN_CATEGORY_QOS = 1,
3797 WLAN_CATEGORY_DLS = 2,
3798 WLAN_CATEGORY_BACK = 3,
3799 WLAN_CATEGORY_PUBLIC = 4,
3800 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3801 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3802 WLAN_CATEGORY_HT = 7,
3803 WLAN_CATEGORY_SA_QUERY = 8,
3804 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3805 WLAN_CATEGORY_WNM = 10,
3806 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3807 WLAN_CATEGORY_TDLS = 12,
3808 WLAN_CATEGORY_MESH_ACTION = 13,
3809 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3810 WLAN_CATEGORY_SELF_PROTECTED = 15,
3811 WLAN_CATEGORY_DMG = 16,
3812 WLAN_CATEGORY_WMM = 17,
3813 WLAN_CATEGORY_FST = 18,
3814 WLAN_CATEGORY_UNPROT_DMG = 20,
3815 WLAN_CATEGORY_VHT = 21,
3816 WLAN_CATEGORY_S1G = 22,
3817 WLAN_CATEGORY_PROTECTED_EHT = 37,
3818 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3819 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3820 };
3821
3822 /* SPECTRUM_MGMT action code */
3823 enum ieee80211_spectrum_mgmt_actioncode {
3824 WLAN_ACTION_SPCT_MSR_REQ = 0,
3825 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3826 WLAN_ACTION_SPCT_TPC_REQ = 2,
3827 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3828 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3829 };
3830
3831 /* HT action codes */
3832 enum ieee80211_ht_actioncode {
3833 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3834 WLAN_HT_ACTION_SMPS = 1,
3835 WLAN_HT_ACTION_PSMP = 2,
3836 WLAN_HT_ACTION_PCO_PHASE = 3,
3837 WLAN_HT_ACTION_CSI = 4,
3838 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3839 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3840 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3841 };
3842
3843 /* VHT action codes */
3844 enum ieee80211_vht_actioncode {
3845 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3846 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3847 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3848 };
3849
3850 /* Self Protected Action codes */
3851 enum ieee80211_self_protected_actioncode {
3852 WLAN_SP_RESERVED = 0,
3853 WLAN_SP_MESH_PEERING_OPEN = 1,
3854 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3855 WLAN_SP_MESH_PEERING_CLOSE = 3,
3856 WLAN_SP_MGK_INFORM = 4,
3857 WLAN_SP_MGK_ACK = 5,
3858 };
3859
3860 /* Mesh action codes */
3861 enum ieee80211_mesh_actioncode {
3862 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3863 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3864 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3865 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3866 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3867 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3868 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3869 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3870 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3871 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3872 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3873 };
3874
3875 /* Unprotected WNM action codes */
3876 enum ieee80211_unprotected_wnm_actioncode {
3877 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3878 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3879 };
3880
3881 /* Protected EHT action codes */
3882 enum ieee80211_protected_eht_actioncode {
3883 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0,
3884 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1,
3885 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2,
3886 };
3887
3888 /* Security key length */
3889 enum ieee80211_key_len {
3890 WLAN_KEY_LEN_WEP40 = 5,
3891 WLAN_KEY_LEN_WEP104 = 13,
3892 WLAN_KEY_LEN_CCMP = 16,
3893 WLAN_KEY_LEN_CCMP_256 = 32,
3894 WLAN_KEY_LEN_TKIP = 32,
3895 WLAN_KEY_LEN_AES_CMAC = 16,
3896 WLAN_KEY_LEN_SMS4 = 32,
3897 WLAN_KEY_LEN_GCMP = 16,
3898 WLAN_KEY_LEN_GCMP_256 = 32,
3899 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3900 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3901 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3902 };
3903
3904 enum ieee80211_s1g_actioncode {
3905 WLAN_S1G_AID_SWITCH_REQUEST,
3906 WLAN_S1G_AID_SWITCH_RESPONSE,
3907 WLAN_S1G_SYNC_CONTROL,
3908 WLAN_S1G_STA_INFO_ANNOUNCE,
3909 WLAN_S1G_EDCA_PARAM_SET,
3910 WLAN_S1G_EL_OPERATION,
3911 WLAN_S1G_TWT_SETUP,
3912 WLAN_S1G_TWT_TEARDOWN,
3913 WLAN_S1G_SECT_GROUP_ID_LIST,
3914 WLAN_S1G_SECT_ID_FEEDBACK,
3915 WLAN_S1G_TWT_INFORMATION = 11,
3916 };
3917
3918 #define IEEE80211_WEP_IV_LEN 4
3919 #define IEEE80211_WEP_ICV_LEN 4
3920 #define IEEE80211_CCMP_HDR_LEN 8
3921 #define IEEE80211_CCMP_MIC_LEN 8
3922 #define IEEE80211_CCMP_PN_LEN 6
3923 #define IEEE80211_CCMP_256_HDR_LEN 8
3924 #define IEEE80211_CCMP_256_MIC_LEN 16
3925 #define IEEE80211_CCMP_256_PN_LEN 6
3926 #define IEEE80211_TKIP_IV_LEN 8
3927 #define IEEE80211_TKIP_ICV_LEN 4
3928 #define IEEE80211_CMAC_PN_LEN 6
3929 #define IEEE80211_GMAC_PN_LEN 6
3930 #define IEEE80211_GCMP_HDR_LEN 8
3931 #define IEEE80211_GCMP_MIC_LEN 16
3932 #define IEEE80211_GCMP_PN_LEN 6
3933
3934 #define FILS_NONCE_LEN 16
3935 #define FILS_MAX_KEK_LEN 64
3936
3937 #define FILS_ERP_MAX_USERNAME_LEN 16
3938 #define FILS_ERP_MAX_REALM_LEN 253
3939 #define FILS_ERP_MAX_RRK_LEN 64
3940
3941 #define PMK_MAX_LEN 64
3942 #define SAE_PASSWORD_MAX_LEN 128
3943
3944 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3945 enum ieee80211_pub_actioncode {
3946 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3947 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3948 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3949 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3950 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3951 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3952 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3953 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3954 WLAN_PUB_ACTION_DSE_PC = 8,
3955 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3956 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3957 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3958 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3959 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3960 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3961 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3962 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3963 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3964 WLAN_PUB_ACTION_QMF_POLICY = 18,
3965 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3966 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3967 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3968 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3969 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3970 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3971 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3972 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3973 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3974 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3975 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3976 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3977 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3978 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3979 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3980 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3981 };
3982
3983 /* TDLS action codes */
3984 enum ieee80211_tdls_actioncode {
3985 WLAN_TDLS_SETUP_REQUEST = 0,
3986 WLAN_TDLS_SETUP_RESPONSE = 1,
3987 WLAN_TDLS_SETUP_CONFIRM = 2,
3988 WLAN_TDLS_TEARDOWN = 3,
3989 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3990 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3991 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3992 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3993 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3994 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3995 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3996 };
3997
3998 /* Extended Channel Switching capability to be set in the 1st byte of
3999 * the @WLAN_EID_EXT_CAPABILITY information element
4000 */
4001 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
4002
4003 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
4004 * @WLAN_EID_EXT_CAPABILITY information element
4005 */
4006 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
4007
4008 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
4009 * of the @WLAN_EID_EXT_CAPABILITY information element
4010 */
4011 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
4012
4013 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
4014 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
4015 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
4016 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
4017
4018 /* Interworking capabilities are set in 7th bit of 4th byte of the
4019 * @WLAN_EID_EXT_CAPABILITY information element
4020 */
4021 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
4022
4023 /*
4024 * TDLS capabililites to be enabled in the 5th byte of the
4025 * @WLAN_EID_EXT_CAPABILITY information element
4026 */
4027 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
4028 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
4029 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
4030
4031 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
4032 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
4033
4034 /* Defines the maximal number of MSDUs in an A-MSDU. */
4035 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
4036 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
4037
4038 /*
4039 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
4040 * information element
4041 */
4042 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
4043
4044 /* Defines support for TWT Requester and TWT Responder */
4045 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
4046 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
4047
4048 /*
4049 * When set, indicates that the AP is able to tolerate 26-tone RU UL
4050 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
4051 * 26-tone RU UL OFDMA transmissions as radar pulses).
4052 */
4053 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
4054
4055 /* Defines support for enhanced multi-bssid advertisement*/
4056 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
4057
4058 /* TDLS specific payload type in the LLC/SNAP header */
4059 #define WLAN_TDLS_SNAP_RFTYPE 0x2
4060
4061 /* BSS Coex IE information field bits */
4062 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
4063
4064 /**
4065 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
4066 *
4067 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
4068 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
4069 * that will be specified in a vendor specific information element
4070 */
4071 enum ieee80211_mesh_sync_method {
4072 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
4073 IEEE80211_SYNC_METHOD_VENDOR = 255,
4074 };
4075
4076 /**
4077 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
4078 *
4079 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
4080 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
4081 * be specified in a vendor specific information element
4082 */
4083 enum ieee80211_mesh_path_protocol {
4084 IEEE80211_PATH_PROTOCOL_HWMP = 1,
4085 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
4086 };
4087
4088 /**
4089 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
4090 *
4091 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
4092 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
4093 * specified in a vendor specific information element
4094 */
4095 enum ieee80211_mesh_path_metric {
4096 IEEE80211_PATH_METRIC_AIRTIME = 1,
4097 IEEE80211_PATH_METRIC_VENDOR = 255,
4098 };
4099
4100 /**
4101 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
4102 *
4103 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
4104 *
4105 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
4106 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
4107 * this value
4108 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
4109 * the proactive PREQ with proactive PREP subfield set to 0
4110 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
4111 * supports the proactive PREQ with proactive PREP subfield set to 1
4112 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
4113 * the proactive RANN
4114 */
4115 enum ieee80211_root_mode_identifier {
4116 IEEE80211_ROOTMODE_NO_ROOT = 0,
4117 IEEE80211_ROOTMODE_ROOT = 1,
4118 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
4119 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
4120 IEEE80211_PROACTIVE_RANN = 4,
4121 };
4122
4123 /*
4124 * IEEE 802.11-2007 7.3.2.9 Country information element
4125 *
4126 * Minimum length is 8 octets, ie len must be evenly
4127 * divisible by 2
4128 */
4129
4130 /* Although the spec says 8 I'm seeing 6 in practice */
4131 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
4132
4133 /* The Country String field of the element shall be 3 octets in length */
4134 #define IEEE80211_COUNTRY_STRING_LEN 3
4135
4136 /*
4137 * For regulatory extension stuff see IEEE 802.11-2007
4138 * Annex I (page 1141) and Annex J (page 1147). Also
4139 * review 7.3.2.9.
4140 *
4141 * When dot11RegulatoryClassesRequired is true and the
4142 * first_channel/reg_extension_id is >= 201 then the IE
4143 * compromises of the 'ext' struct represented below:
4144 *
4145 * - Regulatory extension ID - when generating IE this just needs
4146 * to be monotonically increasing for each triplet passed in
4147 * the IE
4148 * - Regulatory class - index into set of rules
4149 * - Coverage class - index into air propagation time (Table 7-27),
4150 * in microseconds, you can compute the air propagation time from
4151 * the index by multiplying by 3, so index 10 yields a propagation
4152 * of 10 us. Valid values are 0-31, values 32-255 are not defined
4153 * yet. A value of 0 inicates air propagation of <= 1 us.
4154 *
4155 * See also Table I.2 for Emission limit sets and table
4156 * I.3 for Behavior limit sets. Table J.1 indicates how to map
4157 * a reg_class to an emission limit set and behavior limit set.
4158 */
4159 #define IEEE80211_COUNTRY_EXTENSION_ID 201
4160
4161 /*
4162 * Channels numbers in the IE must be monotonically increasing
4163 * if dot11RegulatoryClassesRequired is not true.
4164 *
4165 * If dot11RegulatoryClassesRequired is true consecutive
4166 * subband triplets following a regulatory triplet shall
4167 * have monotonically increasing first_channel number fields.
4168 *
4169 * Channel numbers shall not overlap.
4170 *
4171 * Note that max_power is signed.
4172 */
4173 struct ieee80211_country_ie_triplet {
4174 union {
4175 struct {
4176 u8 first_channel;
4177 u8 num_channels;
4178 s8 max_power;
4179 } __packed chans;
4180 struct {
4181 u8 reg_extension_id;
4182 u8 reg_class;
4183 u8 coverage_class;
4184 } __packed ext;
4185 };
4186 } __packed;
4187
4188 enum ieee80211_timeout_interval_type {
4189 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4190 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4191 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4192 };
4193
4194 /**
4195 * struct ieee80211_timeout_interval_ie - Timeout Interval element
4196 * @type: type, see &enum ieee80211_timeout_interval_type
4197 * @value: timeout interval value
4198 */
4199 struct ieee80211_timeout_interval_ie {
4200 u8 type;
4201 __le32 value;
4202 } __packed;
4203
4204 /**
4205 * enum ieee80211_idle_options - BSS idle options
4206 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4207 * protected frame to the AP to reset the idle timer at the AP for
4208 * the station.
4209 */
4210 enum ieee80211_idle_options {
4211 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4212 };
4213
4214 /**
4215 * struct ieee80211_bss_max_idle_period_ie - BSS max idle period element struct
4216 *
4217 * This structure refers to "BSS Max idle period element"
4218 *
4219 * @max_idle_period: indicates the time period during which a station can
4220 * refrain from transmitting frames to its associated AP without being
4221 * disassociated. In units of 1000 TUs.
4222 * @idle_options: indicates the options associated with the BSS idle capability
4223 * as specified in &enum ieee80211_idle_options.
4224 */
4225 struct ieee80211_bss_max_idle_period_ie {
4226 __le16 max_idle_period;
4227 u8 idle_options;
4228 } __packed;
4229
4230 /* BACK action code */
4231 enum ieee80211_back_actioncode {
4232 WLAN_ACTION_ADDBA_REQ = 0,
4233 WLAN_ACTION_ADDBA_RESP = 1,
4234 WLAN_ACTION_DELBA = 2,
4235 };
4236
4237 /* BACK (block-ack) parties */
4238 enum ieee80211_back_parties {
4239 WLAN_BACK_RECIPIENT = 0,
4240 WLAN_BACK_INITIATOR = 1,
4241 };
4242
4243 /* SA Query action */
4244 enum ieee80211_sa_query_action {
4245 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4246 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4247 };
4248
4249 /**
4250 * struct ieee80211_bssid_index - multiple BSSID index element structure
4251 *
4252 * This structure refers to "Multiple BSSID-index element"
4253 *
4254 * @bssid_index: BSSID index
4255 * @dtim_period: optional, overrides transmitted BSS dtim period
4256 * @dtim_count: optional, overrides transmitted BSS dtim count
4257 */
4258 struct ieee80211_bssid_index {
4259 u8 bssid_index;
4260 u8 dtim_period;
4261 u8 dtim_count;
4262 };
4263
4264 /**
4265 * struct ieee80211_multiple_bssid_configuration - multiple BSSID configuration
4266 * element structure
4267 *
4268 * This structure refers to "Multiple BSSID Configuration element"
4269 *
4270 * @bssid_count: total number of active BSSIDs in the set
4271 * @profile_periodicity: the least number of beacon frames need to be received
4272 * in order to discover all the nontransmitted BSSIDs in the set.
4273 */
4274 struct ieee80211_multiple_bssid_configuration {
4275 u8 bssid_count;
4276 u8 profile_periodicity;
4277 };
4278
4279 #define SUITE(oui, id) (((oui) << 8) | (id))
4280
4281 /* cipher suite selectors */
4282 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4283 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4284 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4285 /* reserved: SUITE(0x000FAC, 3) */
4286 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4287 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4288 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4289 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4290 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4291 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4292 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4293 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4294 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4295
4296 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4297
4298 /* AKM suite selectors */
4299 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4300 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4301 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4302 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4303 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4304 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4305 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4306 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4307 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4308 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4309 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4310 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4311 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4312 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4313 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4314 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4315 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4316 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4317 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4318 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4319
4320 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4321
4322 #define WLAN_MAX_KEY_LEN 32
4323
4324 #define WLAN_PMK_NAME_LEN 16
4325 #define WLAN_PMKID_LEN 16
4326 #define WLAN_PMK_LEN_EAP_LEAP 16
4327 #define WLAN_PMK_LEN 32
4328 #define WLAN_PMK_LEN_SUITE_B_192 48
4329
4330 #define WLAN_OUI_WFA 0x506f9a
4331 #define WLAN_OUI_TYPE_WFA_P2P 9
4332 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4333 #define WLAN_OUI_MICROSOFT 0x0050f2
4334 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4335 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4336 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4337 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4338
4339 /*
4340 * WMM/802.11e Tspec Element
4341 */
4342 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4343 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4344
4345 enum ieee80211_tspec_status_code {
4346 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4347 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4348 };
4349
4350 struct ieee80211_tspec_ie {
4351 u8 element_id;
4352 u8 len;
4353 u8 oui[3];
4354 u8 oui_type;
4355 u8 oui_subtype;
4356 u8 version;
4357 __le16 tsinfo;
4358 u8 tsinfo_resvd;
4359 __le16 nominal_msdu;
4360 __le16 max_msdu;
4361 __le32 min_service_int;
4362 __le32 max_service_int;
4363 __le32 inactivity_int;
4364 __le32 suspension_int;
4365 __le32 service_start_time;
4366 __le32 min_data_rate;
4367 __le32 mean_data_rate;
4368 __le32 peak_data_rate;
4369 __le32 max_burst_size;
4370 __le32 delay_bound;
4371 __le32 min_phy_rate;
4372 __le16 sba;
4373 __le16 medium_time;
4374 } __packed;
4375
4376 struct ieee80211_he_6ghz_capa {
4377 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4378 __le16 capa;
4379 } __packed;
4380
4381 /* HE 6 GHz band capabilities */
4382 /* uses enum ieee80211_min_mpdu_spacing values */
4383 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4384 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4385 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4386 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4387 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4388 /* WLAN_HT_CAP_SM_PS_* values */
4389 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4390 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4391 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4392 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4393
4394 /**
4395 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4396 * @hdr: the frame
4397 * Return: a pointer to the QoS control field in the frame header
4398 *
4399 * The qos ctrl bytes come after the frame_control, duration, seq_num
4400 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4401 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4402 */
4403 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4404 {
4405 union {
4406 struct ieee80211_qos_hdr addr3;
4407 struct ieee80211_qos_hdr_4addr addr4;
4408 } *qos;
4409
4410 qos = (void *)hdr;
4411 if (ieee80211_has_a4(qos->addr3.frame_control))
4412 return (u8 *)&qos->addr4.qos_ctrl;
4413 else
4414 return (u8 *)&qos->addr3.qos_ctrl;
4415 }
4416
4417 /**
4418 * ieee80211_get_tid - get qos TID
4419 * @hdr: the frame
4420 * Return: the TID from the QoS control field
4421 */
4422 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4423 {
4424 u8 *qc = ieee80211_get_qos_ctl(hdr);
4425
4426 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4427 }
4428
4429 /**
4430 * ieee80211_get_SA - get pointer to SA
4431 * @hdr: the frame
4432 * Return: a pointer to the source address (SA)
4433 *
4434 * Given an 802.11 frame, this function returns the offset
4435 * to the source address (SA). It does not verify that the
4436 * header is long enough to contain the address, and the
4437 * header must be long enough to contain the frame control
4438 * field.
4439 */
4440 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4441 {
4442 if (ieee80211_has_a4(hdr->frame_control))
4443 return hdr->addr4;
4444 if (ieee80211_has_fromds(hdr->frame_control))
4445 return hdr->addr3;
4446 return hdr->addr2;
4447 }
4448
4449 /**
4450 * ieee80211_get_DA - get pointer to DA
4451 * @hdr: the frame
4452 * Return: a pointer to the destination address (DA)
4453 *
4454 * Given an 802.11 frame, this function returns the offset
4455 * to the destination address (DA). It does not verify that
4456 * the header is long enough to contain the address, and the
4457 * header must be long enough to contain the frame control
4458 * field.
4459 */
4460 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4461 {
4462 if (ieee80211_has_tods(hdr->frame_control))
4463 return hdr->addr3;
4464 else
4465 return hdr->addr1;
4466 }
4467
4468 /**
4469 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4470 * @skb: the skb to check, starting with the 802.11 header
4471 * Return: whether or not the MMPDU is bufferable
4472 */
4473 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4474 {
4475 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4476 __le16 fc = mgmt->frame_control;
4477
4478 /*
4479 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4480 * note that this ignores the IBSS special case.
4481 */
4482 if (!ieee80211_is_mgmt(fc))
4483 return false;
4484
4485 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4486 return true;
4487
4488 if (!ieee80211_is_action(fc))
4489 return false;
4490
4491 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4492 return true;
4493
4494 /* action frame - additionally check for non-bufferable FTM */
4495
4496 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4497 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4498 return true;
4499
4500 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4501 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4502 return false;
4503
4504 return true;
4505 }
4506
4507 /**
4508 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4509 * @hdr: the frame (buffer must include at least the first octet of payload)
4510 * Return: whether or not the frame is a robust management frame
4511 */
4512 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4513 {
4514 if (ieee80211_is_disassoc(hdr->frame_control) ||
4515 ieee80211_is_deauth(hdr->frame_control))
4516 return true;
4517
4518 if (ieee80211_is_action(hdr->frame_control)) {
4519 u8 *category;
4520
4521 /*
4522 * Action frames, excluding Public Action frames, are Robust
4523 * Management Frames. However, if we are looking at a Protected
4524 * frame, skip the check since the data may be encrypted and
4525 * the frame has already been found to be a Robust Management
4526 * Frame (by the other end).
4527 */
4528 if (ieee80211_has_protected(hdr->frame_control))
4529 return true;
4530 category = ((u8 *) hdr) + 24;
4531 return *category != WLAN_CATEGORY_PUBLIC &&
4532 *category != WLAN_CATEGORY_HT &&
4533 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4534 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4535 *category != WLAN_CATEGORY_UNPROT_DMG &&
4536 *category != WLAN_CATEGORY_VHT &&
4537 *category != WLAN_CATEGORY_S1G &&
4538 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4539 }
4540
4541 return false;
4542 }
4543
4544 /**
4545 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4546 * @skb: the skb containing the frame, length will be checked
4547 * Return: whether or not the frame is a robust management frame
4548 */
4549 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4550 {
4551 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4552 return false;
4553 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4554 }
4555
4556 /**
4557 * ieee80211_is_public_action - check if frame is a public action frame
4558 * @hdr: the frame
4559 * @len: length of the frame
4560 * Return: whether or not the frame is a public action frame
4561 */
4562 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4563 size_t len)
4564 {
4565 struct ieee80211_mgmt *mgmt = (void *)hdr;
4566
4567 if (len < IEEE80211_MIN_ACTION_SIZE)
4568 return false;
4569 if (!ieee80211_is_action(hdr->frame_control))
4570 return false;
4571 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4572 }
4573
4574 /**
4575 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4576 * protected dual of public action management frame
4577 * @skb: the skb containing the frame, length will be checked
4578 *
4579 * Return: true if the skb contains a protected dual of public action
4580 * management frame, false otherwise.
4581 */
4582 static inline bool
4583 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4584 {
4585 u8 action;
4586
4587 if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4588 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4589 return false;
4590
4591 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4592
4593 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4594 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4595 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4596 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4597 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4598 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4599 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4600 action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
4601 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
4602 }
4603
4604 /**
4605 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4606 * privacy action frame
4607 * @hdr: the frame
4608 * Return: whether or not the frame is a group addressed privacy action frame
4609 */
4610 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4611 {
4612 struct ieee80211_mgmt *mgmt = (void *)hdr;
4613
4614 if (!ieee80211_is_action(hdr->frame_control) ||
4615 !is_multicast_ether_addr(hdr->addr1))
4616 return false;
4617
4618 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4619 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4620 }
4621
4622 /**
4623 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4624 * privacy action frame
4625 * @skb: the skb containing the frame, length will be checked
4626 * Return: whether or not the frame is a group addressed privacy action frame
4627 */
4628 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4629 {
4630 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4631 return false;
4632 return _ieee80211_is_group_privacy_action((void *)skb->data);
4633 }
4634
4635 /**
4636 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4637 * @tu: the TUs
4638 * Return: the time value converted to microseconds
4639 */
4640 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4641 {
4642 return 1024 * tu;
4643 }
4644
4645 /**
4646 * ieee80211_check_tim - check if AID bit is set in TIM
4647 * @tim: the TIM IE
4648 * @tim_len: length of the TIM IE
4649 * @aid: the AID to look for
4650 * Return: whether or not traffic is indicated in the TIM for the given AID
4651 */
4652 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4653 u8 tim_len, u16 aid)
4654 {
4655 u8 mask;
4656 u8 index, indexn1, indexn2;
4657
4658 if (unlikely(!tim || tim_len < sizeof(*tim)))
4659 return false;
4660
4661 aid &= 0x3fff;
4662 index = aid / 8;
4663 mask = 1 << (aid & 7);
4664
4665 indexn1 = tim->bitmap_ctrl & 0xfe;
4666 indexn2 = tim_len + indexn1 - 4;
4667
4668 if (index < indexn1 || index > indexn2)
4669 return false;
4670
4671 index -= indexn1;
4672
4673 return !!(tim->virtual_map[index] & mask);
4674 }
4675
4676 /**
4677 * ieee80211_get_tdls_action - get TDLS action code
4678 * @skb: the skb containing the frame, length will not be checked
4679 * Return: the TDLS action code, or -1 if it's not an encapsulated TDLS action
4680 * frame
4681 *
4682 * This function assumes the frame is a data frame, and that the network header
4683 * is in the correct place.
4684 */
4685 static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4686 {
4687 if (!skb_is_nonlinear(skb) &&
4688 skb->len > (skb_network_offset(skb) + 2)) {
4689 /* Point to where the indication of TDLS should start */
4690 const u8 *tdls_data = skb_network_header(skb) - 2;
4691
4692 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4693 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4694 tdls_data[3] == WLAN_CATEGORY_TDLS)
4695 return tdls_data[4];
4696 }
4697
4698 return -1;
4699 }
4700
4701 /* convert time units */
4702 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4703 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4704
4705 /* convert frequencies */
4706 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4707 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4708 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4709 #define KHZ_F "%d.%03d"
4710
4711 /* convert powers */
4712 #define DBI_TO_MBI(gain) ((gain) * 100)
4713 #define MBI_TO_DBI(gain) ((gain) / 100)
4714 #define DBM_TO_MBM(gain) ((gain) * 100)
4715 #define MBM_TO_DBM(gain) ((gain) / 100)
4716
4717 /**
4718 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4719 * @skb: the skb containing the frame, length will be checked
4720 * Return: %true if the frame contains a TPC element, %false otherwise
4721 *
4722 * This function checks if it's either TPC report action frame or Link
4723 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4724 * and 8.5.7.5 accordingly.
4725 */
4726 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4727 {
4728 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4729
4730 if (!ieee80211_is_action(mgmt->frame_control))
4731 return false;
4732
4733 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4734 sizeof(mgmt->u.action.u.tpc_report))
4735 return false;
4736
4737 /*
4738 * TPC report - check that:
4739 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4740 * spectrum management action = 3 (TPC/Link Measurement report)
4741 * TPC report EID = 35
4742 * TPC report element length = 2
4743 *
4744 * The spectrum management's tpc_report struct is used here both for
4745 * parsing tpc_report and radio measurement's link measurement report
4746 * frame, since the relevant part is identical in both frames.
4747 */
4748 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4749 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4750 return false;
4751
4752 /* both spectrum mgmt and link measurement have same action code */
4753 if (mgmt->u.action.u.tpc_report.action_code !=
4754 WLAN_ACTION_SPCT_TPC_RPRT)
4755 return false;
4756
4757 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4758 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4759 sizeof(struct ieee80211_tpc_report_ie))
4760 return false;
4761
4762 return true;
4763 }
4764
4765 /**
4766 * ieee80211_is_timing_measurement - check if frame is timing measurement response
4767 * @skb: the SKB to check
4768 * Return: whether or not the frame is a valid timing measurement response
4769 */
4770 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4771 {
4772 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4773
4774 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4775 return false;
4776
4777 if (!ieee80211_is_action(mgmt->frame_control))
4778 return false;
4779
4780 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4781 mgmt->u.action.u.wnm_timing_msr.action_code ==
4782 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4783 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4784 return true;
4785
4786 return false;
4787 }
4788
4789 /**
4790 * ieee80211_is_ftm - check if frame is FTM response
4791 * @skb: the SKB to check
4792 * Return: whether or not the frame is a valid FTM response action frame
4793 */
4794 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4795 {
4796 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4797
4798 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4799 return false;
4800
4801 if (mgmt->u.action.u.ftm.action_code ==
4802 WLAN_PUB_ACTION_FTM_RESPONSE &&
4803 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4804 return true;
4805
4806 return false;
4807 }
4808
4809 struct element {
4810 u8 id;
4811 u8 datalen;
4812 u8 data[];
4813 } __packed;
4814
4815 /* element iteration helpers */
4816 #define for_each_element(_elem, _data, _datalen) \
4817 for (_elem = (const struct element *)(_data); \
4818 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4819 (int)sizeof(*_elem) && \
4820 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4821 (int)sizeof(*_elem) + _elem->datalen; \
4822 _elem = (const struct element *)(_elem->data + _elem->datalen))
4823
4824 #define for_each_element_id(element, _id, data, datalen) \
4825 for_each_element(element, data, datalen) \
4826 if (element->id == (_id))
4827
4828 #define for_each_element_extid(element, extid, _data, _datalen) \
4829 for_each_element(element, _data, _datalen) \
4830 if (element->id == WLAN_EID_EXTENSION && \
4831 element->datalen > 0 && \
4832 element->data[0] == (extid))
4833
4834 #define for_each_subelement(sub, element) \
4835 for_each_element(sub, (element)->data, (element)->datalen)
4836
4837 #define for_each_subelement_id(sub, id, element) \
4838 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4839
4840 #define for_each_subelement_extid(sub, extid, element) \
4841 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4842
4843 /**
4844 * for_each_element_completed - determine if element parsing consumed all data
4845 * @element: element pointer after for_each_element() or friends
4846 * @data: same data pointer as passed to for_each_element() or friends
4847 * @datalen: same data length as passed to for_each_element() or friends
4848 * Return: %true if all elements were iterated, %false otherwise; see notes
4849 *
4850 * This function returns %true if all the data was parsed or considered
4851 * while walking the elements. Only use this if your for_each_element()
4852 * loop cannot be broken out of, otherwise it always returns %false.
4853 *
4854 * If some data was malformed, this returns %false since the last parsed
4855 * element will not fill the whole remaining data.
4856 */
4857 static inline bool for_each_element_completed(const struct element *element,
4858 const void *data, size_t datalen)
4859 {
4860 return (const u8 *)element == (const u8 *)data + datalen;
4861 }
4862
4863 /*
4864 * RSNX Capabilities:
4865 * bits 0-3: Field length (n-1)
4866 */
4867 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4868 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4869
4870 /*
4871 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4872 * section 9.4.2.170 and accepted contributions.
4873 */
4874 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4875 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4876 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4877 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4878 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4879 #define IEEE80211_TBTT_INFO_TYPE_MLD 1
4880
4881 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4882 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4883 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4884 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4885 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4886 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4887 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4888
4889 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4890 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4891
4892 struct ieee80211_neighbor_ap_info {
4893 u8 tbtt_info_hdr;
4894 u8 tbtt_info_len;
4895 u8 op_class;
4896 u8 channel;
4897 } __packed;
4898
4899 enum ieee80211_range_params_max_total_ltf {
4900 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4901 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4902 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4903 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4904 };
4905
4906 /*
4907 * reduced neighbor report, based on Draft P802.11be_D3.0,
4908 * section 9.4.2.170.2.
4909 */
4910 struct ieee80211_rnr_mld_params {
4911 u8 mld_id;
4912 __le16 params;
4913 } __packed;
4914
4915 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4916 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4917 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4918 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4919
4920 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4921 struct ieee80211_tbtt_info_7_8_9 {
4922 u8 tbtt_offset;
4923 u8 bssid[ETH_ALEN];
4924
4925 /* The following element is optional, structure may not grow */
4926 u8 bss_params;
4927 s8 psd_20;
4928 } __packed;
4929
4930 /* Format of the TBTT information element if it has >= 11 bytes */
4931 struct ieee80211_tbtt_info_ge_11 {
4932 u8 tbtt_offset;
4933 u8 bssid[ETH_ALEN];
4934 __le32 short_ssid;
4935
4936 /* The following elements are optional, structure may grow */
4937 u8 bss_params;
4938 s8 psd_20;
4939 struct ieee80211_rnr_mld_params mld_params;
4940 } __packed;
4941
4942 /* multi-link device */
4943 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4944
4945 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4946 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4947 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4948 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4949 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4950 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4951 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4952
4953 struct ieee80211_multi_link_elem {
4954 __le16 control;
4955 u8 variable[];
4956 } __packed;
4957
4958 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4959 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4960 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4961 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4962 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4963 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4964
4965 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4966 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4967 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4968
4969 /*
4970 * Described in P802.11be_D3.0
4971 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4972 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4973 * dot11MSDTXOPMAX defaults to 1
4974 */
4975 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
4976
4977 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4978 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4979 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4980 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4981 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4982 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4983 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4984 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4985 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4986 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4987 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4988 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4989 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4990 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4991 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4992 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4993 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4994 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4995 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4996 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4997 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4998 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4999 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
5000 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
5001 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
5002 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
5003 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
5004 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
5005 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
5006 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
5007 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
5008 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
5009 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
5010 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
5011
5012 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
5013 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
5014 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
5015 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0
5016 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1
5017 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2
5018 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3
5019 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
5020 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
5021
5022 struct ieee80211_mle_basic_common_info {
5023 u8 len;
5024 u8 mld_mac_addr[ETH_ALEN];
5025 u8 variable[];
5026 } __packed;
5027
5028 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
5029
5030 struct ieee80211_mle_preq_common_info {
5031 u8 len;
5032 u8 variable[];
5033 } __packed;
5034
5035 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
5036
5037 /* no fixed fields in RECONF */
5038
5039 struct ieee80211_mle_tdls_common_info {
5040 u8 len;
5041 u8 ap_mld_mac_addr[ETH_ALEN];
5042 } __packed;
5043
5044 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
5045
5046 /* no fixed fields in PRIO_ACCESS */
5047
5048 /**
5049 * ieee80211_mle_common_size - check multi-link element common size
5050 * @data: multi-link element, must already be checked for size using
5051 * ieee80211_mle_size_ok()
5052 * Return: the size of the multi-link element's "common" subfield
5053 */
5054 static inline u8 ieee80211_mle_common_size(const u8 *data)
5055 {
5056 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5057 u16 control = le16_to_cpu(mle->control);
5058 u8 common = 0;
5059
5060 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5061 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5062 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5063 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5064 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5065 /*
5066 * The length is the first octet pointed by mle->variable so no
5067 * need to add anything
5068 */
5069 break;
5070 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5071 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5072 common += ETH_ALEN;
5073 return common;
5074 default:
5075 WARN_ON(1);
5076 return 0;
5077 }
5078
5079 return sizeof(*mle) + common + mle->variable[0];
5080 }
5081
5082 /**
5083 * ieee80211_mle_get_link_id - returns the link ID
5084 * @data: the basic multi link element
5085 * Return: the link ID, or -1 if not present
5086 *
5087 * The element is assumed to be of the correct type (BASIC) and big enough,
5088 * this must be checked using ieee80211_mle_type_ok().
5089 */
5090 static inline int ieee80211_mle_get_link_id(const u8 *data)
5091 {
5092 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5093 u16 control = le16_to_cpu(mle->control);
5094 const u8 *common = mle->variable;
5095
5096 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5097 common += sizeof(struct ieee80211_mle_basic_common_info);
5098
5099 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID))
5100 return -1;
5101
5102 return *common;
5103 }
5104
5105 /**
5106 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
5107 * @data: pointer to the basic multi link element
5108 * Return: the BSS Parameter Change Count field value, or -1 if not present
5109 *
5110 * The element is assumed to be of the correct type (BASIC) and big enough,
5111 * this must be checked using ieee80211_mle_type_ok().
5112 */
5113 static inline int
5114 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data)
5115 {
5116 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5117 u16 control = le16_to_cpu(mle->control);
5118 const u8 *common = mle->variable;
5119
5120 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5121 common += sizeof(struct ieee80211_mle_basic_common_info);
5122
5123 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
5124 return -1;
5125
5126 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5127 common += 1;
5128
5129 return *common;
5130 }
5131
5132 /**
5133 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
5134 * @data: pointer to the multi-link element
5135 * Return: the medium synchronization delay field value from the multi-link
5136 * element, or the default value (%IEEE80211_MED_SYNC_DELAY_DEFAULT)
5137 * if not present
5138 *
5139 * The element is assumed to be of the correct type (BASIC) and big enough,
5140 * this must be checked using ieee80211_mle_type_ok().
5141 */
5142 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
5143 {
5144 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5145 u16 control = le16_to_cpu(mle->control);
5146 const u8 *common = mle->variable;
5147
5148 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5149 common += sizeof(struct ieee80211_mle_basic_common_info);
5150
5151 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
5152 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
5153
5154 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5155 common += 1;
5156 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5157 common += 1;
5158
5159 return get_unaligned_le16(common);
5160 }
5161
5162 /**
5163 * ieee80211_mle_get_eml_cap - returns the EML capability
5164 * @data: pointer to the multi-link element
5165 * Return: the EML capability field value from the multi-link element,
5166 * or 0 if not present
5167 *
5168 * The element is assumed to be of the correct type (BASIC) and big enough,
5169 * this must be checked using ieee80211_mle_type_ok().
5170 */
5171 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
5172 {
5173 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5174 u16 control = le16_to_cpu(mle->control);
5175 const u8 *common = mle->variable;
5176
5177 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5178 common += sizeof(struct ieee80211_mle_basic_common_info);
5179
5180 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
5181 return 0;
5182
5183 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5184 common += 1;
5185 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5186 common += 1;
5187 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5188 common += 2;
5189
5190 return get_unaligned_le16(common);
5191 }
5192
5193 /**
5194 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations.
5195 * @data: pointer to the multi-link element
5196 * Return: the MLD capabilities and operations field value from the multi-link
5197 * element, or 0 if not present
5198 *
5199 * The element is assumed to be of the correct type (BASIC) and big enough,
5200 * this must be checked using ieee80211_mle_type_ok().
5201 */
5202 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data)
5203 {
5204 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5205 u16 control = le16_to_cpu(mle->control);
5206 const u8 *common = mle->variable;
5207
5208 /*
5209 * common points now at the beginning of
5210 * ieee80211_mle_basic_common_info
5211 */
5212 common += sizeof(struct ieee80211_mle_basic_common_info);
5213
5214 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
5215 return 0;
5216
5217 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5218 common += 1;
5219 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5220 common += 1;
5221 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5222 common += 2;
5223 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5224 common += 2;
5225
5226 return get_unaligned_le16(common);
5227 }
5228
5229 /**
5230 * ieee80211_mle_get_mld_id - returns the MLD ID
5231 * @data: pointer to the multi-link element
5232 * Return: The MLD ID in the given multi-link element, or 0 if not present
5233 *
5234 * The element is assumed to be of the correct type (BASIC) and big enough,
5235 * this must be checked using ieee80211_mle_type_ok().
5236 */
5237 static inline u8 ieee80211_mle_get_mld_id(const u8 *data)
5238 {
5239 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5240 u16 control = le16_to_cpu(mle->control);
5241 const u8 *common = mle->variable;
5242
5243 /*
5244 * common points now at the beginning of
5245 * ieee80211_mle_basic_common_info
5246 */
5247 common += sizeof(struct ieee80211_mle_basic_common_info);
5248
5249 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID))
5250 return 0;
5251
5252 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5253 common += 1;
5254 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5255 common += 1;
5256 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5257 common += 2;
5258 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5259 common += 2;
5260 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5261 common += 2;
5262
5263 return *common;
5264 }
5265
5266 /**
5267 * ieee80211_mle_size_ok - validate multi-link element size
5268 * @data: pointer to the element data
5269 * @len: length of the containing element
5270 * Return: whether or not the multi-link element size is OK
5271 */
5272 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5273 {
5274 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5275 u8 fixed = sizeof(*mle);
5276 u8 common = 0;
5277 bool check_common_len = false;
5278 u16 control;
5279
5280 if (!data || len < fixed)
5281 return false;
5282
5283 control = le16_to_cpu(mle->control);
5284
5285 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5286 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5287 common += sizeof(struct ieee80211_mle_basic_common_info);
5288 check_common_len = true;
5289 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5290 common += 1;
5291 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5292 common += 1;
5293 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5294 common += 2;
5295 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5296 common += 2;
5297 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5298 common += 2;
5299 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5300 common += 1;
5301 break;
5302 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5303 common += sizeof(struct ieee80211_mle_preq_common_info);
5304 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5305 common += 1;
5306 check_common_len = true;
5307 break;
5308 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5309 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5310 common += ETH_ALEN;
5311 break;
5312 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5313 common += sizeof(struct ieee80211_mle_tdls_common_info);
5314 check_common_len = true;
5315 break;
5316 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5317 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5318 common += ETH_ALEN;
5319 break;
5320 default:
5321 /* we don't know this type */
5322 return true;
5323 }
5324
5325 if (len < fixed + common)
5326 return false;
5327
5328 if (!check_common_len)
5329 return true;
5330
5331 /* if present, common length is the first octet there */
5332 return mle->variable[0] >= common;
5333 }
5334
5335 /**
5336 * ieee80211_mle_type_ok - validate multi-link element type and size
5337 * @data: pointer to the element data
5338 * @type: expected type of the element
5339 * @len: length of the containing element
5340 * Return: whether or not the multi-link element type matches and size is OK
5341 */
5342 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5343 {
5344 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5345 u16 control;
5346
5347 if (!ieee80211_mle_size_ok(data, len))
5348 return false;
5349
5350 control = le16_to_cpu(mle->control);
5351
5352 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5353 return true;
5354
5355 return false;
5356 }
5357
5358 enum ieee80211_mle_subelems {
5359 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5360 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5361 };
5362
5363 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5364 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5365 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5366 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5367 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5368 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5369 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5370 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5371 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5372
5373 struct ieee80211_mle_per_sta_profile {
5374 __le16 control;
5375 u8 sta_info_len;
5376 u8 variable[];
5377 } __packed;
5378
5379 /**
5380 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5381 * profile size
5382 * @data: pointer to the sub element data
5383 * @len: length of the containing sub element
5384 * Return: %true if the STA profile is large enough, %false otherwise
5385 */
5386 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5387 size_t len)
5388 {
5389 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5390 u16 control;
5391 u8 fixed = sizeof(*prof);
5392 u8 info_len = 1;
5393
5394 if (len < fixed)
5395 return false;
5396
5397 control = le16_to_cpu(prof->control);
5398
5399 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5400 info_len += 6;
5401 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5402 info_len += 2;
5403 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5404 info_len += 8;
5405 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5406 info_len += 2;
5407 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5408 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5409 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5410 info_len += 2;
5411 else
5412 info_len += 1;
5413 }
5414 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5415 info_len += 1;
5416
5417 return prof->sta_info_len >= info_len &&
5418 fixed + prof->sta_info_len - 1 <= len;
5419 }
5420
5421 /**
5422 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5423 * parameter change count
5424 * @prof: the per-STA profile, having been checked with
5425 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5426 *
5427 * Return: The BSS parameter change count value if present, 0 otherwise.
5428 */
5429 static inline u8
5430 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5431 {
5432 u16 control = le16_to_cpu(prof->control);
5433 const u8 *pos = prof->variable;
5434
5435 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5436 return 0;
5437
5438 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5439 pos += 6;
5440 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5441 pos += 2;
5442 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5443 pos += 8;
5444 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5445 pos += 2;
5446 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5447 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5448 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5449 pos += 2;
5450 else
5451 pos += 1;
5452 }
5453
5454 return *pos;
5455 }
5456
5457 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5458 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5459 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5460 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5461 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
5462 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5463
5464 /**
5465 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5466 * element sta profile size.
5467 * @data: pointer to the sub element data
5468 * @len: length of the containing sub element
5469 * Return: %true if the STA profile is large enough, %false otherwise
5470 */
5471 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5472 size_t len)
5473 {
5474 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5475 u16 control;
5476 u8 fixed = sizeof(*prof);
5477 u8 info_len = 1;
5478
5479 if (len < fixed)
5480 return false;
5481
5482 control = le16_to_cpu(prof->control);
5483
5484 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5485 info_len += ETH_ALEN;
5486 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5487 info_len += 2;
5488 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5489 info_len += 2;
5490
5491 return prof->sta_info_len >= info_len &&
5492 fixed + prof->sta_info_len - 1 <= len;
5493 }
5494
5495 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5496 {
5497 const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5498 u8 control, fixed = sizeof(*t2l), elem_len = 0;
5499
5500 if (len < fixed)
5501 return false;
5502
5503 control = t2l->control;
5504
5505 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5506 elem_len += 2;
5507 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5508 elem_len += 3;
5509
5510 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5511 u8 bm_size;
5512
5513 elem_len += 1;
5514 if (len < fixed + elem_len)
5515 return false;
5516
5517 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5518 bm_size = 1;
5519 else
5520 bm_size = 2;
5521
5522 elem_len += hweight8(t2l->optional[0]) * bm_size;
5523 }
5524
5525 return len >= fixed + elem_len;
5526 }
5527
5528 #define for_each_mle_subelement(_elem, _data, _len) \
5529 if (ieee80211_mle_size_ok(_data, _len)) \
5530 for_each_element(_elem, \
5531 _data + ieee80211_mle_common_size(_data),\
5532 _len - ieee80211_mle_common_size(_data))
5533
5534 #endif /* LINUX_IEEE80211_H */
Kernel DRM miscellaneous fixes and cross-tree changes