1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2022 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <asm/unaligned.h>
24
25 /*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41 #define FCS_LEN 4
42
43 #define IEEE80211_FCTL_VERS 0x0003
44 #define IEEE80211_FCTL_FTYPE 0x000c
45 #define IEEE80211_FCTL_STYPE 0x00f0
46 #define IEEE80211_FCTL_TODS 0x0100
47 #define IEEE80211_FCTL_FROMDS 0x0200
48 #define IEEE80211_FCTL_MOREFRAGS 0x0400
49 #define IEEE80211_FCTL_RETRY 0x0800
50 #define IEEE80211_FCTL_PM 0x1000
51 #define IEEE80211_FCTL_MOREDATA 0x2000
52 #define IEEE80211_FCTL_PROTECTED 0x4000
53 #define IEEE80211_FCTL_ORDER 0x8000
54 #define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56 #define IEEE80211_SCTL_FRAG 0x000F
57 #define IEEE80211_SCTL_SEQ 0xFFF0
58
59 #define IEEE80211_FTYPE_MGMT 0x0000
60 #define IEEE80211_FTYPE_CTL 0x0004
61 #define IEEE80211_FTYPE_DATA 0x0008
62 #define IEEE80211_FTYPE_EXT 0x000c
63
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
69 #define IEEE80211_STYPE_PROBE_REQ 0x0040
70 #define IEEE80211_STYPE_PROBE_RESP 0x0050
71 #define IEEE80211_STYPE_BEACON 0x0080
72 #define IEEE80211_STYPE_ATIM 0x0090
73 #define IEEE80211_STYPE_DISASSOC 0x00A0
74 #define IEEE80211_STYPE_AUTH 0x00B0
75 #define IEEE80211_STYPE_DEAUTH 0x00C0
76 #define IEEE80211_STYPE_ACTION 0x00D0
77
78 /* control */
79 #define IEEE80211_STYPE_CTL_EXT 0x0060
80 #define IEEE80211_STYPE_BACK_REQ 0x0080
81 #define IEEE80211_STYPE_BACK 0x0090
82 #define IEEE80211_STYPE_PSPOLL 0x00A0
83 #define IEEE80211_STYPE_RTS 0x00B0
84 #define IEEE80211_STYPE_CTS 0x00C0
85 #define IEEE80211_STYPE_ACK 0x00D0
86 #define IEEE80211_STYPE_CFEND 0x00E0
87 #define IEEE80211_STYPE_CFENDACK 0x00F0
88
89 /* data */
90 #define IEEE80211_STYPE_DATA 0x0000
91 #define IEEE80211_STYPE_DATA_CFACK 0x0010
92 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
93 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
94 #define IEEE80211_STYPE_NULLFUNC 0x0040
95 #define IEEE80211_STYPE_CFACK 0x0050
96 #define IEEE80211_STYPE_CFPOLL 0x0060
97 #define IEEE80211_STYPE_CFACKPOLL 0x0070
98 #define IEEE80211_STYPE_QOS_DATA 0x0080
99 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
100 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
101 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
102 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
103 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
104 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
105 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
106
107 /* extension, added by 802.11ad */
108 #define IEEE80211_STYPE_DMG_BEACON 0x0000
109 #define IEEE80211_STYPE_S1G_BEACON 0x0010
110
111 /* bits unique to S1G beacon */
112 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
113
114 /* see 802.11ah-2016 9.9 NDP CMAC frames */
115 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
116 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4
117 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
118 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5
119
120 #define IEEE80211_NDP_FTYPE_CTS 0
121 #define IEEE80211_NDP_FTYPE_CF_END 0
122 #define IEEE80211_NDP_FTYPE_PS_POLL 1
123 #define IEEE80211_NDP_FTYPE_ACK 2
124 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
125 #define IEEE80211_NDP_FTYPE_BA 4
126 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
127 #define IEEE80211_NDP_FTYPE_PAGING 6
128 #define IEEE80211_NDP_FTYPE_PREQ 7
129
130 #define SM64(f, v) ((((u64)v) << f##_S) & f)
131
132 /* NDP CMAC frame fields */
133 #define IEEE80211_NDP_FTYPE 0x0000000000000007
134 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000
135
136 /* 1M Probe Request 11ah 9.9.3.1.1 */
137 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
138 #define IEEE80211_NDP_1M_PREQ_ANO_S 3
139 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
140 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4
141 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
142 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
143 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
145 /* 2M Probe Request 11ah 9.9.3.1.2 */
146 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
147 #define IEEE80211_NDP_2M_PREQ_ANO_S 3
148 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
149 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4
150 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
151 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
152
153 #define IEEE80211_ANO_NETTYPE_WILD 15
154
155 /* bits unique to S1G beacon */
156 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
157
158 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
159 #define IEEE80211_CTL_EXT_POLL 0x2000
160 #define IEEE80211_CTL_EXT_SPR 0x3000
161 #define IEEE80211_CTL_EXT_GRANT 0x4000
162 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
163 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
164 #define IEEE80211_CTL_EXT_SSW 0x8000
165 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
166 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
167
168
169 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
170 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
171 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
172
173
174 /* PV1 Layout 11ah 9.8.3.1 */
175 #define IEEE80211_PV1_FCTL_VERS 0x0003
176 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
177 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
178 #define IEEE80211_PV1_FCTL_TODS 0x0100
179 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
180 #define IEEE80211_PV1_FCTL_PM 0x0400
181 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
182 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
183 #define IEEE80211_PV1_FCTL_END_SP 0x2000
184 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
185 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
186 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
187
ieee80211_sn_less(u16 sn1,u16 sn2)188 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
189 {
190 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
191 }
192
ieee80211_sn_add(u16 sn1,u16 sn2)193 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
194 {
195 return (sn1 + sn2) & IEEE80211_SN_MASK;
196 }
197
ieee80211_sn_inc(u16 sn)198 static inline u16 ieee80211_sn_inc(u16 sn)
199 {
200 return ieee80211_sn_add(sn, 1);
201 }
202
ieee80211_sn_sub(u16 sn1,u16 sn2)203 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
204 {
205 return (sn1 - sn2) & IEEE80211_SN_MASK;
206 }
207
208 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
209 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
210
211 /* miscellaneous IEEE 802.11 constants */
212 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
213 #define IEEE80211_MAX_RTS_THRESHOLD 2353
214 #define IEEE80211_MAX_AID 2007
215 #define IEEE80211_MAX_AID_S1G 8191
216 #define IEEE80211_MAX_TIM_LEN 251
217 #define IEEE80211_MAX_MESH_PEERINGS 63
218 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
219 6.2.1.1.2.
220
221 802.11e clarifies the figure in section 7.1.2. The frame body is
222 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
223 #define IEEE80211_MAX_DATA_LEN 2304
224 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
225 * to 7920 bytes, see 8.2.3 General frame format
226 */
227 #define IEEE80211_MAX_DATA_LEN_DMG 7920
228 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
229 #define IEEE80211_MAX_FRAME_LEN 2352
230
231 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
232 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
233
234 /* Maximal size of an A-MSDU */
235 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
236 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
237
238 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
239 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
240 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
241
242 #define IEEE80211_MAX_SSID_LEN 32
243
244 #define IEEE80211_MAX_MESH_ID_LEN 32
245
246 #define IEEE80211_FIRST_TSPEC_TSID 8
247 #define IEEE80211_NUM_TIDS 16
248
249 /* number of user priorities 802.11 uses */
250 #define IEEE80211_NUM_UPS 8
251 /* number of ACs */
252 #define IEEE80211_NUM_ACS 4
253
254 #define IEEE80211_QOS_CTL_LEN 2
255 /* 1d tag mask */
256 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
257 /* TID mask */
258 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
259 /* EOSP */
260 #define IEEE80211_QOS_CTL_EOSP 0x0010
261 /* ACK policy */
262 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
264 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
265 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
266 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
267 /* A-MSDU 802.11n */
268 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
269 /* Mesh Control 802.11s */
270 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
271
272 /* Mesh Power Save Level */
273 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
274 /* Mesh Receiver Service Period Initiated */
275 #define IEEE80211_QOS_CTL_RSPI 0x0400
276
277 /* U-APSD queue for WMM IEs sent by AP */
278 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
279 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
280
281 /* U-APSD queues for WMM IEs sent by STA */
282 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
287
288 /* U-APSD max SP length for WMM IEs sent by STA */
289 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
295
296 #define IEEE80211_HT_CTL_LEN 4
297
298 struct ieee80211_hdr {
299 __le16 frame_control;
300 __le16 duration_id;
301 u8 addr1[ETH_ALEN];
302 u8 addr2[ETH_ALEN];
303 u8 addr3[ETH_ALEN];
304 __le16 seq_ctrl;
305 u8 addr4[ETH_ALEN];
306 } __packed __aligned(2);
307
308 struct ieee80211_hdr_3addr {
309 __le16 frame_control;
310 __le16 duration_id;
311 u8 addr1[ETH_ALEN];
312 u8 addr2[ETH_ALEN];
313 u8 addr3[ETH_ALEN];
314 __le16 seq_ctrl;
315 } __packed __aligned(2);
316
317 struct ieee80211_qos_hdr {
318 __le16 frame_control;
319 __le16 duration_id;
320 u8 addr1[ETH_ALEN];
321 u8 addr2[ETH_ALEN];
322 u8 addr3[ETH_ALEN];
323 __le16 seq_ctrl;
324 __le16 qos_ctrl;
325 } __packed __aligned(2);
326
327 /**
328 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
329 * @fc: frame control bytes in little-endian byteorder
330 */
ieee80211_has_tods(__le16 fc)331 static inline bool ieee80211_has_tods(__le16 fc)
332 {
333 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
334 }
335
336 /**
337 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
338 * @fc: frame control bytes in little-endian byteorder
339 */
ieee80211_has_fromds(__le16 fc)340 static inline bool ieee80211_has_fromds(__le16 fc)
341 {
342 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
343 }
344
345 /**
346 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
347 * @fc: frame control bytes in little-endian byteorder
348 */
ieee80211_has_a4(__le16 fc)349 static inline bool ieee80211_has_a4(__le16 fc)
350 {
351 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
352 return (fc & tmp) == tmp;
353 }
354
355 /**
356 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
357 * @fc: frame control bytes in little-endian byteorder
358 */
ieee80211_has_morefrags(__le16 fc)359 static inline bool ieee80211_has_morefrags(__le16 fc)
360 {
361 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
362 }
363
364 /**
365 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
366 * @fc: frame control bytes in little-endian byteorder
367 */
ieee80211_has_retry(__le16 fc)368 static inline bool ieee80211_has_retry(__le16 fc)
369 {
370 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
371 }
372
373 /**
374 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
375 * @fc: frame control bytes in little-endian byteorder
376 */
ieee80211_has_pm(__le16 fc)377 static inline bool ieee80211_has_pm(__le16 fc)
378 {
379 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
380 }
381
382 /**
383 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
384 * @fc: frame control bytes in little-endian byteorder
385 */
ieee80211_has_moredata(__le16 fc)386 static inline bool ieee80211_has_moredata(__le16 fc)
387 {
388 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
389 }
390
391 /**
392 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
393 * @fc: frame control bytes in little-endian byteorder
394 */
ieee80211_has_protected(__le16 fc)395 static inline bool ieee80211_has_protected(__le16 fc)
396 {
397 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
398 }
399
400 /**
401 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
402 * @fc: frame control bytes in little-endian byteorder
403 */
ieee80211_has_order(__le16 fc)404 static inline bool ieee80211_has_order(__le16 fc)
405 {
406 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
407 }
408
409 /**
410 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
411 * @fc: frame control bytes in little-endian byteorder
412 */
ieee80211_is_mgmt(__le16 fc)413 static inline bool ieee80211_is_mgmt(__le16 fc)
414 {
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT);
417 }
418
419 /**
420 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
421 * @fc: frame control bytes in little-endian byteorder
422 */
ieee80211_is_ctl(__le16 fc)423 static inline bool ieee80211_is_ctl(__le16 fc)
424 {
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_CTL);
427 }
428
429 /**
430 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
431 * @fc: frame control bytes in little-endian byteorder
432 */
ieee80211_is_data(__le16 fc)433 static inline bool ieee80211_is_data(__le16 fc)
434 {
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_DATA);
437 }
438
439 /**
440 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
441 * @fc: frame control bytes in little-endian byteorder
442 */
ieee80211_is_ext(__le16 fc)443 static inline bool ieee80211_is_ext(__le16 fc)
444 {
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_EXT);
447 }
448
449
450 /**
451 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
452 * @fc: frame control bytes in little-endian byteorder
453 */
ieee80211_is_data_qos(__le16 fc)454 static inline bool ieee80211_is_data_qos(__le16 fc)
455 {
456 /*
457 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
458 * to check the one bit
459 */
460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
461 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
462 }
463
464 /**
465 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
466 * @fc: frame control bytes in little-endian byteorder
467 */
ieee80211_is_data_present(__le16 fc)468 static inline bool ieee80211_is_data_present(__le16 fc)
469 {
470 /*
471 * mask with 0x40 and test that that bit is clear to only return true
472 * for the data-containing substypes.
473 */
474 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
475 cpu_to_le16(IEEE80211_FTYPE_DATA);
476 }
477
478 /**
479 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
480 * @fc: frame control bytes in little-endian byteorder
481 */
ieee80211_is_assoc_req(__le16 fc)482 static inline bool ieee80211_is_assoc_req(__le16 fc)
483 {
484 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
485 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
486 }
487
488 /**
489 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
490 * @fc: frame control bytes in little-endian byteorder
491 */
ieee80211_is_assoc_resp(__le16 fc)492 static inline bool ieee80211_is_assoc_resp(__le16 fc)
493 {
494 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
495 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
496 }
497
498 /**
499 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
500 * @fc: frame control bytes in little-endian byteorder
501 */
ieee80211_is_reassoc_req(__le16 fc)502 static inline bool ieee80211_is_reassoc_req(__le16 fc)
503 {
504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
505 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
506 }
507
508 /**
509 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
510 * @fc: frame control bytes in little-endian byteorder
511 */
ieee80211_is_reassoc_resp(__le16 fc)512 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
513 {
514 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
515 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
516 }
517
518 /**
519 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
520 * @fc: frame control bytes in little-endian byteorder
521 */
ieee80211_is_probe_req(__le16 fc)522 static inline bool ieee80211_is_probe_req(__le16 fc)
523 {
524 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
525 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
526 }
527
528 /**
529 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
530 * @fc: frame control bytes in little-endian byteorder
531 */
ieee80211_is_probe_resp(__le16 fc)532 static inline bool ieee80211_is_probe_resp(__le16 fc)
533 {
534 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
535 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
536 }
537
538 /**
539 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
540 * @fc: frame control bytes in little-endian byteorder
541 */
ieee80211_is_beacon(__le16 fc)542 static inline bool ieee80211_is_beacon(__le16 fc)
543 {
544 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
545 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
546 }
547
548 /**
549 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
550 * IEEE80211_STYPE_S1G_BEACON
551 * @fc: frame control bytes in little-endian byteorder
552 */
ieee80211_is_s1g_beacon(__le16 fc)553 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
554 {
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
556 IEEE80211_FCTL_STYPE)) ==
557 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
558 }
559
560 /**
561 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
562 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
563 * @fc: frame control bytes in little-endian byteorder
564 */
ieee80211_next_tbtt_present(__le16 fc)565 static inline bool ieee80211_next_tbtt_present(__le16 fc)
566 {
567 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
568 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
569 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
570 }
571
572 /**
573 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
574 * true for S1G beacons when they're short.
575 * @fc: frame control bytes in little-endian byteorder
576 */
ieee80211_is_s1g_short_beacon(__le16 fc)577 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
578 {
579 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
580 }
581
582 /**
583 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
584 * @fc: frame control bytes in little-endian byteorder
585 */
ieee80211_is_atim(__le16 fc)586 static inline bool ieee80211_is_atim(__le16 fc)
587 {
588 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
589 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
590 }
591
592 /**
593 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
594 * @fc: frame control bytes in little-endian byteorder
595 */
ieee80211_is_disassoc(__le16 fc)596 static inline bool ieee80211_is_disassoc(__le16 fc)
597 {
598 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
599 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
600 }
601
602 /**
603 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
604 * @fc: frame control bytes in little-endian byteorder
605 */
ieee80211_is_auth(__le16 fc)606 static inline bool ieee80211_is_auth(__le16 fc)
607 {
608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
609 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
610 }
611
612 /**
613 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
614 * @fc: frame control bytes in little-endian byteorder
615 */
ieee80211_is_deauth(__le16 fc)616 static inline bool ieee80211_is_deauth(__le16 fc)
617 {
618 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
619 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
620 }
621
622 /**
623 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
624 * @fc: frame control bytes in little-endian byteorder
625 */
ieee80211_is_action(__le16 fc)626 static inline bool ieee80211_is_action(__le16 fc)
627 {
628 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
629 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
630 }
631
632 /**
633 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
634 * @fc: frame control bytes in little-endian byteorder
635 */
ieee80211_is_back_req(__le16 fc)636 static inline bool ieee80211_is_back_req(__le16 fc)
637 {
638 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
639 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
640 }
641
642 /**
643 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
644 * @fc: frame control bytes in little-endian byteorder
645 */
ieee80211_is_back(__le16 fc)646 static inline bool ieee80211_is_back(__le16 fc)
647 {
648 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
649 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
650 }
651
652 /**
653 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
654 * @fc: frame control bytes in little-endian byteorder
655 */
ieee80211_is_pspoll(__le16 fc)656 static inline bool ieee80211_is_pspoll(__le16 fc)
657 {
658 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
659 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
660 }
661
662 /**
663 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
664 * @fc: frame control bytes in little-endian byteorder
665 */
ieee80211_is_rts(__le16 fc)666 static inline bool ieee80211_is_rts(__le16 fc)
667 {
668 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
669 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
670 }
671
672 /**
673 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
674 * @fc: frame control bytes in little-endian byteorder
675 */
ieee80211_is_cts(__le16 fc)676 static inline bool ieee80211_is_cts(__le16 fc)
677 {
678 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
679 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
680 }
681
682 /**
683 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
684 * @fc: frame control bytes in little-endian byteorder
685 */
ieee80211_is_ack(__le16 fc)686 static inline bool ieee80211_is_ack(__le16 fc)
687 {
688 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
689 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
690 }
691
692 /**
693 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
694 * @fc: frame control bytes in little-endian byteorder
695 */
ieee80211_is_cfend(__le16 fc)696 static inline bool ieee80211_is_cfend(__le16 fc)
697 {
698 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
699 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
700 }
701
702 /**
703 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
704 * @fc: frame control bytes in little-endian byteorder
705 */
ieee80211_is_cfendack(__le16 fc)706 static inline bool ieee80211_is_cfendack(__le16 fc)
707 {
708 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
709 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
710 }
711
712 /**
713 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
714 * @fc: frame control bytes in little-endian byteorder
715 */
ieee80211_is_nullfunc(__le16 fc)716 static inline bool ieee80211_is_nullfunc(__le16 fc)
717 {
718 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
719 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
720 }
721
722 /**
723 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
724 * @fc: frame control bytes in little-endian byteorder
725 */
ieee80211_is_qos_nullfunc(__le16 fc)726 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
727 {
728 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
729 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
730 }
731
732 /**
733 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
734 * @fc: frame control bytes in little-endian byteorder
735 */
ieee80211_is_any_nullfunc(__le16 fc)736 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
737 {
738 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
739 }
740
741 /**
742 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
743 * @fc: frame control field in little-endian byteorder
744 */
ieee80211_is_bufferable_mmpdu(__le16 fc)745 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
746 {
747 /* IEEE 802.11-2012, definition of "bufferable management frame";
748 * note that this ignores the IBSS special case. */
749 return ieee80211_is_mgmt(fc) &&
750 (ieee80211_is_action(fc) ||
751 ieee80211_is_disassoc(fc) ||
752 ieee80211_is_deauth(fc));
753 }
754
755 /**
756 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
757 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
758 */
ieee80211_is_first_frag(__le16 seq_ctrl)759 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
760 {
761 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
762 }
763
764 /**
765 * ieee80211_is_frag - check if a frame is a fragment
766 * @hdr: 802.11 header of the frame
767 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)768 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
769 {
770 return ieee80211_has_morefrags(hdr->frame_control) ||
771 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
772 }
773
774 struct ieee80211s_hdr {
775 u8 flags;
776 u8 ttl;
777 __le32 seqnum;
778 u8 eaddr1[ETH_ALEN];
779 u8 eaddr2[ETH_ALEN];
780 } __packed __aligned(2);
781
782 /* Mesh flags */
783 #define MESH_FLAGS_AE_A4 0x1
784 #define MESH_FLAGS_AE_A5_A6 0x2
785 #define MESH_FLAGS_AE 0x3
786 #define MESH_FLAGS_PS_DEEP 0x4
787
788 /**
789 * enum ieee80211_preq_flags - mesh PREQ element flags
790 *
791 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
792 */
793 enum ieee80211_preq_flags {
794 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
795 };
796
797 /**
798 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
799 *
800 * @IEEE80211_PREQ_TO_FLAG: target only subfield
801 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
802 */
803 enum ieee80211_preq_target_flags {
804 IEEE80211_PREQ_TO_FLAG = 1<<0,
805 IEEE80211_PREQ_USN_FLAG = 1<<2,
806 };
807
808 /**
809 * struct ieee80211_quiet_ie
810 *
811 * This structure refers to "Quiet information element"
812 */
813 struct ieee80211_quiet_ie {
814 u8 count;
815 u8 period;
816 __le16 duration;
817 __le16 offset;
818 } __packed;
819
820 /**
821 * struct ieee80211_msrment_ie
822 *
823 * This structure refers to "Measurement Request/Report information element"
824 */
825 struct ieee80211_msrment_ie {
826 u8 token;
827 u8 mode;
828 u8 type;
829 u8 request[];
830 } __packed;
831
832 /**
833 * struct ieee80211_channel_sw_ie
834 *
835 * This structure refers to "Channel Switch Announcement information element"
836 */
837 struct ieee80211_channel_sw_ie {
838 u8 mode;
839 u8 new_ch_num;
840 u8 count;
841 } __packed;
842
843 /**
844 * struct ieee80211_ext_chansw_ie
845 *
846 * This structure represents the "Extended Channel Switch Announcement element"
847 */
848 struct ieee80211_ext_chansw_ie {
849 u8 mode;
850 u8 new_operating_class;
851 u8 new_ch_num;
852 u8 count;
853 } __packed;
854
855 /**
856 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
857 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
858 * values here
859 * This structure represents the "Secondary Channel Offset element"
860 */
861 struct ieee80211_sec_chan_offs_ie {
862 u8 sec_chan_offs;
863 } __packed;
864
865 /**
866 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
867 *
868 * This structure represents the "Mesh Channel Switch Paramters element"
869 */
870 struct ieee80211_mesh_chansw_params_ie {
871 u8 mesh_ttl;
872 u8 mesh_flags;
873 __le16 mesh_reason;
874 __le16 mesh_pre_value;
875 } __packed;
876
877 /**
878 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
879 */
880 struct ieee80211_wide_bw_chansw_ie {
881 u8 new_channel_width;
882 u8 new_center_freq_seg0, new_center_freq_seg1;
883 } __packed;
884
885 /**
886 * struct ieee80211_tim
887 *
888 * This structure refers to "Traffic Indication Map information element"
889 */
890 struct ieee80211_tim_ie {
891 u8 dtim_count;
892 u8 dtim_period;
893 u8 bitmap_ctrl;
894 /* variable size: 1 - 251 bytes */
895 u8 virtual_map[1];
896 } __packed;
897
898 /**
899 * struct ieee80211_meshconf_ie
900 *
901 * This structure refers to "Mesh Configuration information element"
902 */
903 struct ieee80211_meshconf_ie {
904 u8 meshconf_psel;
905 u8 meshconf_pmetric;
906 u8 meshconf_congest;
907 u8 meshconf_synch;
908 u8 meshconf_auth;
909 u8 meshconf_form;
910 u8 meshconf_cap;
911 } __packed;
912
913 /**
914 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
915 *
916 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
917 * additional mesh peerings with other mesh STAs
918 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
919 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
920 * is ongoing
921 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
922 * neighbors in deep sleep mode
923 */
924 enum mesh_config_capab_flags {
925 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
926 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
927 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
928 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
929 };
930
931 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
932
933 /**
934 * mesh channel switch parameters element's flag indicator
935 *
936 */
937 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
938 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
939 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
940
941 /**
942 * struct ieee80211_rann_ie
943 *
944 * This structure refers to "Root Announcement information element"
945 */
946 struct ieee80211_rann_ie {
947 u8 rann_flags;
948 u8 rann_hopcount;
949 u8 rann_ttl;
950 u8 rann_addr[ETH_ALEN];
951 __le32 rann_seq;
952 __le32 rann_interval;
953 __le32 rann_metric;
954 } __packed;
955
956 enum ieee80211_rann_flags {
957 RANN_FLAG_IS_GATE = 1 << 0,
958 };
959
960 enum ieee80211_ht_chanwidth_values {
961 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
962 IEEE80211_HT_CHANWIDTH_ANY = 1,
963 };
964
965 /**
966 * enum ieee80211_opmode_bits - VHT operating mode field bits
967 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
968 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
969 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
970 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
971 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
972 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
973 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
974 * (the NSS value is the value of this field + 1)
975 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
976 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
977 * using a beamforming steering matrix
978 */
979 enum ieee80211_vht_opmode_bits {
980 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
981 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
982 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
983 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
984 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
985 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
986 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
987 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
988 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
989 };
990
991 /**
992 * enum ieee80211_s1g_chanwidth
993 * These are defined in IEEE802.11-2016ah Table 10-20
994 * as BSS Channel Width
995 *
996 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
997 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
998 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
999 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1000 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1001 */
1002 enum ieee80211_s1g_chanwidth {
1003 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1004 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1005 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1006 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1007 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1008 };
1009
1010 #define WLAN_SA_QUERY_TR_ID_LEN 2
1011 #define WLAN_MEMBERSHIP_LEN 8
1012 #define WLAN_USER_POSITION_LEN 16
1013
1014 /**
1015 * struct ieee80211_tpc_report_ie
1016 *
1017 * This structure refers to "TPC Report element"
1018 */
1019 struct ieee80211_tpc_report_ie {
1020 u8 tx_power;
1021 u8 link_margin;
1022 } __packed;
1023
1024 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1025 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1026 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1027 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1028 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1029
1030 struct ieee80211_addba_ext_ie {
1031 u8 data;
1032 } __packed;
1033
1034 /**
1035 * struct ieee80211_s1g_bcn_compat_ie
1036 *
1037 * S1G Beacon Compatibility element
1038 */
1039 struct ieee80211_s1g_bcn_compat_ie {
1040 __le16 compat_info;
1041 __le16 beacon_int;
1042 __le32 tsf_completion;
1043 } __packed;
1044
1045 /**
1046 * struct ieee80211_s1g_oper_ie
1047 *
1048 * S1G Operation element
1049 */
1050 struct ieee80211_s1g_oper_ie {
1051 u8 ch_width;
1052 u8 oper_class;
1053 u8 primary_ch;
1054 u8 oper_ch;
1055 __le16 basic_mcs_nss;
1056 } __packed;
1057
1058 /**
1059 * struct ieee80211_aid_response_ie
1060 *
1061 * AID Response element
1062 */
1063 struct ieee80211_aid_response_ie {
1064 __le16 aid;
1065 u8 switch_count;
1066 __le16 response_int;
1067 } __packed;
1068
1069 struct ieee80211_s1g_cap {
1070 u8 capab_info[10];
1071 u8 supp_mcs_nss[5];
1072 } __packed;
1073
1074 struct ieee80211_ext {
1075 __le16 frame_control;
1076 __le16 duration;
1077 union {
1078 struct {
1079 u8 sa[ETH_ALEN];
1080 __le32 timestamp;
1081 u8 change_seq;
1082 u8 variable[0];
1083 } __packed s1g_beacon;
1084 struct {
1085 u8 sa[ETH_ALEN];
1086 __le32 timestamp;
1087 u8 change_seq;
1088 u8 next_tbtt[3];
1089 u8 variable[0];
1090 } __packed s1g_short_beacon;
1091 } u;
1092 } __packed __aligned(2);
1093
1094 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1095 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1096 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1097 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1098 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1099
1100 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1101 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1102 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1103 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1104 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1105 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1106 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1107 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1108
1109 enum ieee80211_twt_setup_cmd {
1110 TWT_SETUP_CMD_REQUEST,
1111 TWT_SETUP_CMD_SUGGEST,
1112 TWT_SETUP_CMD_DEMAND,
1113 TWT_SETUP_CMD_GROUPING,
1114 TWT_SETUP_CMD_ACCEPT,
1115 TWT_SETUP_CMD_ALTERNATE,
1116 TWT_SETUP_CMD_DICTATE,
1117 TWT_SETUP_CMD_REJECT,
1118 };
1119
1120 struct ieee80211_twt_params {
1121 __le16 req_type;
1122 __le64 twt;
1123 u8 min_twt_dur;
1124 __le16 mantissa;
1125 u8 channel;
1126 } __packed;
1127
1128 struct ieee80211_twt_setup {
1129 u8 dialog_token;
1130 u8 element_id;
1131 u8 length;
1132 u8 control;
1133 u8 params[];
1134 } __packed;
1135
1136 struct ieee80211_mgmt {
1137 __le16 frame_control;
1138 __le16 duration;
1139 u8 da[ETH_ALEN];
1140 u8 sa[ETH_ALEN];
1141 u8 bssid[ETH_ALEN];
1142 __le16 seq_ctrl;
1143 union {
1144 struct {
1145 __le16 auth_alg;
1146 __le16 auth_transaction;
1147 __le16 status_code;
1148 /* possibly followed by Challenge text */
1149 u8 variable[0];
1150 } __packed auth;
1151 struct {
1152 __le16 reason_code;
1153 } __packed deauth;
1154 struct {
1155 __le16 capab_info;
1156 __le16 listen_interval;
1157 /* followed by SSID and Supported rates */
1158 u8 variable[0];
1159 } __packed assoc_req;
1160 struct {
1161 __le16 capab_info;
1162 __le16 status_code;
1163 __le16 aid;
1164 /* followed by Supported rates */
1165 u8 variable[0];
1166 } __packed assoc_resp, reassoc_resp;
1167 struct {
1168 __le16 capab_info;
1169 __le16 status_code;
1170 u8 variable[0];
1171 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1172 struct {
1173 __le16 capab_info;
1174 __le16 listen_interval;
1175 u8 current_ap[ETH_ALEN];
1176 /* followed by SSID and Supported rates */
1177 u8 variable[0];
1178 } __packed reassoc_req;
1179 struct {
1180 __le16 reason_code;
1181 } __packed disassoc;
1182 struct {
1183 __le64 timestamp;
1184 __le16 beacon_int;
1185 __le16 capab_info;
1186 /* followed by some of SSID, Supported rates,
1187 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1188 u8 variable[0];
1189 } __packed beacon;
1190 struct {
1191 /* only variable items: SSID, Supported rates */
1192 u8 variable[0];
1193 } __packed probe_req;
1194 struct {
1195 __le64 timestamp;
1196 __le16 beacon_int;
1197 __le16 capab_info;
1198 /* followed by some of SSID, Supported rates,
1199 * FH Params, DS Params, CF Params, IBSS Params */
1200 u8 variable[0];
1201 } __packed probe_resp;
1202 struct {
1203 u8 category;
1204 union {
1205 struct {
1206 u8 action_code;
1207 u8 dialog_token;
1208 u8 status_code;
1209 u8 variable[0];
1210 } __packed wme_action;
1211 struct{
1212 u8 action_code;
1213 u8 variable[0];
1214 } __packed chan_switch;
1215 struct{
1216 u8 action_code;
1217 struct ieee80211_ext_chansw_ie data;
1218 u8 variable[0];
1219 } __packed ext_chan_switch;
1220 struct{
1221 u8 action_code;
1222 u8 dialog_token;
1223 u8 element_id;
1224 u8 length;
1225 struct ieee80211_msrment_ie msr_elem;
1226 } __packed measurement;
1227 struct{
1228 u8 action_code;
1229 u8 dialog_token;
1230 __le16 capab;
1231 __le16 timeout;
1232 __le16 start_seq_num;
1233 /* followed by BA Extension */
1234 u8 variable[0];
1235 } __packed addba_req;
1236 struct{
1237 u8 action_code;
1238 u8 dialog_token;
1239 __le16 status;
1240 __le16 capab;
1241 __le16 timeout;
1242 } __packed addba_resp;
1243 struct{
1244 u8 action_code;
1245 __le16 params;
1246 __le16 reason_code;
1247 } __packed delba;
1248 struct {
1249 u8 action_code;
1250 u8 variable[0];
1251 } __packed self_prot;
1252 struct{
1253 u8 action_code;
1254 u8 variable[0];
1255 } __packed mesh_action;
1256 struct {
1257 u8 action;
1258 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1259 } __packed sa_query;
1260 struct {
1261 u8 action;
1262 u8 smps_control;
1263 } __packed ht_smps;
1264 struct {
1265 u8 action_code;
1266 u8 chanwidth;
1267 } __packed ht_notify_cw;
1268 struct {
1269 u8 action_code;
1270 u8 dialog_token;
1271 __le16 capability;
1272 u8 variable[0];
1273 } __packed tdls_discover_resp;
1274 struct {
1275 u8 action_code;
1276 u8 operating_mode;
1277 } __packed vht_opmode_notif;
1278 struct {
1279 u8 action_code;
1280 u8 membership[WLAN_MEMBERSHIP_LEN];
1281 u8 position[WLAN_USER_POSITION_LEN];
1282 } __packed vht_group_notif;
1283 struct {
1284 u8 action_code;
1285 u8 dialog_token;
1286 u8 tpc_elem_id;
1287 u8 tpc_elem_length;
1288 struct ieee80211_tpc_report_ie tpc;
1289 } __packed tpc_report;
1290 struct {
1291 u8 action_code;
1292 u8 dialog_token;
1293 u8 follow_up;
1294 u8 tod[6];
1295 u8 toa[6];
1296 __le16 tod_error;
1297 __le16 toa_error;
1298 u8 variable[0];
1299 } __packed ftm;
1300 struct {
1301 u8 action_code;
1302 u8 variable[];
1303 } __packed s1g;
1304 } u;
1305 } __packed action;
1306 } u;
1307 } __packed __aligned(2);
1308
1309 /* Supported rates membership selectors */
1310 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1311 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1312 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1313 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1314
1315 /* mgmt header + 1 byte category code */
1316 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1317
1318
1319 /* Management MIC information element (IEEE 802.11w) */
1320 struct ieee80211_mmie {
1321 u8 element_id;
1322 u8 length;
1323 __le16 key_id;
1324 u8 sequence_number[6];
1325 u8 mic[8];
1326 } __packed;
1327
1328 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1329 struct ieee80211_mmie_16 {
1330 u8 element_id;
1331 u8 length;
1332 __le16 key_id;
1333 u8 sequence_number[6];
1334 u8 mic[16];
1335 } __packed;
1336
1337 struct ieee80211_vendor_ie {
1338 u8 element_id;
1339 u8 len;
1340 u8 oui[3];
1341 u8 oui_type;
1342 } __packed;
1343
1344 struct ieee80211_wmm_ac_param {
1345 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1346 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1347 __le16 txop_limit;
1348 } __packed;
1349
1350 struct ieee80211_wmm_param_ie {
1351 u8 element_id; /* Element ID: 221 (0xdd); */
1352 u8 len; /* Length: 24 */
1353 /* required fields for WMM version 1 */
1354 u8 oui[3]; /* 00:50:f2 */
1355 u8 oui_type; /* 2 */
1356 u8 oui_subtype; /* 1 */
1357 u8 version; /* 1 for WMM version 1.0 */
1358 u8 qos_info; /* AP/STA specific QoS info */
1359 u8 reserved; /* 0 */
1360 /* AC_BE, AC_BK, AC_VI, AC_VO */
1361 struct ieee80211_wmm_ac_param ac[4];
1362 } __packed;
1363
1364 /* Control frames */
1365 struct ieee80211_rts {
1366 __le16 frame_control;
1367 __le16 duration;
1368 u8 ra[ETH_ALEN];
1369 u8 ta[ETH_ALEN];
1370 } __packed __aligned(2);
1371
1372 struct ieee80211_cts {
1373 __le16 frame_control;
1374 __le16 duration;
1375 u8 ra[ETH_ALEN];
1376 } __packed __aligned(2);
1377
1378 struct ieee80211_pspoll {
1379 __le16 frame_control;
1380 __le16 aid;
1381 u8 bssid[ETH_ALEN];
1382 u8 ta[ETH_ALEN];
1383 } __packed __aligned(2);
1384
1385 /* TDLS */
1386
1387 /* Channel switch timing */
1388 struct ieee80211_ch_switch_timing {
1389 __le16 switch_time;
1390 __le16 switch_timeout;
1391 } __packed;
1392
1393 /* Link-id information element */
1394 struct ieee80211_tdls_lnkie {
1395 u8 ie_type; /* Link Identifier IE */
1396 u8 ie_len;
1397 u8 bssid[ETH_ALEN];
1398 u8 init_sta[ETH_ALEN];
1399 u8 resp_sta[ETH_ALEN];
1400 } __packed;
1401
1402 struct ieee80211_tdls_data {
1403 u8 da[ETH_ALEN];
1404 u8 sa[ETH_ALEN];
1405 __be16 ether_type;
1406 u8 payload_type;
1407 u8 category;
1408 u8 action_code;
1409 union {
1410 struct {
1411 u8 dialog_token;
1412 __le16 capability;
1413 u8 variable[0];
1414 } __packed setup_req;
1415 struct {
1416 __le16 status_code;
1417 u8 dialog_token;
1418 __le16 capability;
1419 u8 variable[0];
1420 } __packed setup_resp;
1421 struct {
1422 __le16 status_code;
1423 u8 dialog_token;
1424 u8 variable[0];
1425 } __packed setup_cfm;
1426 struct {
1427 __le16 reason_code;
1428 u8 variable[0];
1429 } __packed teardown;
1430 struct {
1431 u8 dialog_token;
1432 u8 variable[0];
1433 } __packed discover_req;
1434 struct {
1435 u8 target_channel;
1436 u8 oper_class;
1437 u8 variable[0];
1438 } __packed chan_switch_req;
1439 struct {
1440 __le16 status_code;
1441 u8 variable[0];
1442 } __packed chan_switch_resp;
1443 } u;
1444 } __packed;
1445
1446 /*
1447 * Peer-to-Peer IE attribute related definitions.
1448 */
1449 /**
1450 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1451 */
1452 enum ieee80211_p2p_attr_id {
1453 IEEE80211_P2P_ATTR_STATUS = 0,
1454 IEEE80211_P2P_ATTR_MINOR_REASON,
1455 IEEE80211_P2P_ATTR_CAPABILITY,
1456 IEEE80211_P2P_ATTR_DEVICE_ID,
1457 IEEE80211_P2P_ATTR_GO_INTENT,
1458 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1459 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1460 IEEE80211_P2P_ATTR_GROUP_BSSID,
1461 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1462 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1463 IEEE80211_P2P_ATTR_MANAGABILITY,
1464 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1465 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1466 IEEE80211_P2P_ATTR_DEVICE_INFO,
1467 IEEE80211_P2P_ATTR_GROUP_INFO,
1468 IEEE80211_P2P_ATTR_GROUP_ID,
1469 IEEE80211_P2P_ATTR_INTERFACE,
1470 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1471 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1472 /* 19 - 220: Reserved */
1473 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1474
1475 IEEE80211_P2P_ATTR_MAX
1476 };
1477
1478 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1479 /* Typical max value used here */
1480 #define IEEE80211_P2P_NOA_DESC_MAX 4
1481
1482 struct ieee80211_p2p_noa_desc {
1483 u8 count;
1484 __le32 duration;
1485 __le32 interval;
1486 __le32 start_time;
1487 } __packed;
1488
1489 struct ieee80211_p2p_noa_attr {
1490 u8 index;
1491 u8 oppps_ctwindow;
1492 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1493 } __packed;
1494
1495 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1496 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1497
1498 /**
1499 * struct ieee80211_bar - HT Block Ack Request
1500 *
1501 * This structure refers to "HT BlockAckReq" as
1502 * described in 802.11n draft section 7.2.1.7.1
1503 */
1504 struct ieee80211_bar {
1505 __le16 frame_control;
1506 __le16 duration;
1507 __u8 ra[ETH_ALEN];
1508 __u8 ta[ETH_ALEN];
1509 __le16 control;
1510 __le16 start_seq_num;
1511 } __packed;
1512
1513 /* 802.11 BAR control masks */
1514 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1515 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1516 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1517 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1518 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1519
1520 #define IEEE80211_HT_MCS_MASK_LEN 10
1521
1522 /**
1523 * struct ieee80211_mcs_info - MCS information
1524 * @rx_mask: RX mask
1525 * @rx_highest: highest supported RX rate. If set represents
1526 * the highest supported RX data rate in units of 1 Mbps.
1527 * If this field is 0 this value should not be used to
1528 * consider the highest RX data rate supported.
1529 * @tx_params: TX parameters
1530 */
1531 struct ieee80211_mcs_info {
1532 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1533 __le16 rx_highest;
1534 u8 tx_params;
1535 u8 reserved[3];
1536 } __packed;
1537
1538 /* 802.11n HT capability MSC set */
1539 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1540 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1541 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1542 /* value 0 == 1 stream etc */
1543 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1544 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1545 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1546 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1547
1548 /*
1549 * 802.11n D5.0 20.3.5 / 20.6 says:
1550 * - indices 0 to 7 and 32 are single spatial stream
1551 * - 8 to 31 are multiple spatial streams using equal modulation
1552 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1553 * - remainder are multiple spatial streams using unequal modulation
1554 */
1555 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1556 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1557 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1558
1559 /**
1560 * struct ieee80211_ht_cap - HT capabilities
1561 *
1562 * This structure is the "HT capabilities element" as
1563 * described in 802.11n D5.0 7.3.2.57
1564 */
1565 struct ieee80211_ht_cap {
1566 __le16 cap_info;
1567 u8 ampdu_params_info;
1568
1569 /* 16 bytes MCS information */
1570 struct ieee80211_mcs_info mcs;
1571
1572 __le16 extended_ht_cap_info;
1573 __le32 tx_BF_cap_info;
1574 u8 antenna_selection_info;
1575 } __packed;
1576
1577 /* 802.11n HT capabilities masks (for cap_info) */
1578 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1579 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1580 #define IEEE80211_HT_CAP_SM_PS 0x000C
1581 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1582 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1583 #define IEEE80211_HT_CAP_SGI_20 0x0020
1584 #define IEEE80211_HT_CAP_SGI_40 0x0040
1585 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1586 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1587 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1588 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1589 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1590 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1591 #define IEEE80211_HT_CAP_RESERVED 0x2000
1592 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1593 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1594
1595 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1596 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1597 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1598 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1599 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1600 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1601 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1602 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1603
1604 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1605 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1606 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1607 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1608
1609 /*
1610 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1611 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1612 */
1613 enum ieee80211_max_ampdu_length_exp {
1614 IEEE80211_HT_MAX_AMPDU_8K = 0,
1615 IEEE80211_HT_MAX_AMPDU_16K = 1,
1616 IEEE80211_HT_MAX_AMPDU_32K = 2,
1617 IEEE80211_HT_MAX_AMPDU_64K = 3
1618 };
1619
1620 /*
1621 * Maximum length of AMPDU that the STA can receive in VHT.
1622 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1623 */
1624 enum ieee80211_vht_max_ampdu_length_exp {
1625 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1626 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1627 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1628 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1629 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1630 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1631 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1632 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1633 };
1634
1635 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1636
1637 /* Minimum MPDU start spacing */
1638 enum ieee80211_min_mpdu_spacing {
1639 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1640 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1641 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1642 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1643 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1644 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1645 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1646 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1647 };
1648
1649 /**
1650 * struct ieee80211_ht_operation - HT operation IE
1651 *
1652 * This structure is the "HT operation element" as
1653 * described in 802.11n-2009 7.3.2.57
1654 */
1655 struct ieee80211_ht_operation {
1656 u8 primary_chan;
1657 u8 ht_param;
1658 __le16 operation_mode;
1659 __le16 stbc_param;
1660 u8 basic_set[16];
1661 } __packed;
1662
1663 /* for ht_param */
1664 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1665 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1666 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1667 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1668 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1669 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1670
1671 /* for operation_mode */
1672 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1673 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1674 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1675 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1676 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1677 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1678 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1679 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1680 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1681
1682 /* for stbc_param */
1683 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1684 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1685 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1686 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1687 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1688 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1689
1690
1691 /* block-ack parameters */
1692 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1693 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1694 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1695 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1696 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1697 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1698
1699 /*
1700 * A-MPDU buffer sizes
1701 * According to HT size varies from 8 to 64 frames
1702 * HE adds the ability to have up to 256 frames.
1703 * EHT adds the ability to have up to 1K frames.
1704 */
1705 #define IEEE80211_MIN_AMPDU_BUF 0x8
1706 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1707 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1708 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1709
1710
1711 /* Spatial Multiplexing Power Save Modes (for capability) */
1712 #define WLAN_HT_CAP_SM_PS_STATIC 0
1713 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1714 #define WLAN_HT_CAP_SM_PS_INVALID 2
1715 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1716
1717 /* for SM power control field lower two bits */
1718 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1719 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1720 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1721
1722 /**
1723 * struct ieee80211_vht_mcs_info - VHT MCS information
1724 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1725 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1726 * STA can receive. Rate expressed in units of 1 Mbps.
1727 * If this field is 0 this value should not be used to
1728 * consider the highest RX data rate supported.
1729 * The top 3 bits of this field indicate the Maximum NSTS,total
1730 * (a beamformee capability.)
1731 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1732 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1733 * STA can transmit. Rate expressed in units of 1 Mbps.
1734 * If this field is 0 this value should not be used to
1735 * consider the highest TX data rate supported.
1736 * The top 2 bits of this field are reserved, the
1737 * 3rd bit from the top indiciates VHT Extended NSS BW
1738 * Capability.
1739 */
1740 struct ieee80211_vht_mcs_info {
1741 __le16 rx_mcs_map;
1742 __le16 rx_highest;
1743 __le16 tx_mcs_map;
1744 __le16 tx_highest;
1745 } __packed;
1746
1747 /* for rx_highest */
1748 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1749 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1750
1751 /* for tx_highest */
1752 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1753
1754 /**
1755 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1756 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1757 * number of streams
1758 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1759 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1760 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1761 *
1762 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1763 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1764 * both split into 8 subfields by number of streams. These values indicate
1765 * which MCSes are supported for the number of streams the value appears
1766 * for.
1767 */
1768 enum ieee80211_vht_mcs_support {
1769 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1770 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1771 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1772 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1773 };
1774
1775 /**
1776 * struct ieee80211_vht_cap - VHT capabilities
1777 *
1778 * This structure is the "VHT capabilities element" as
1779 * described in 802.11ac D3.0 8.4.2.160
1780 * @vht_cap_info: VHT capability info
1781 * @supp_mcs: VHT MCS supported rates
1782 */
1783 struct ieee80211_vht_cap {
1784 __le32 vht_cap_info;
1785 struct ieee80211_vht_mcs_info supp_mcs;
1786 } __packed;
1787
1788 /**
1789 * enum ieee80211_vht_chanwidth - VHT channel width
1790 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1791 * determine the channel width (20 or 40 MHz)
1792 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1793 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1794 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1795 */
1796 enum ieee80211_vht_chanwidth {
1797 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1798 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1799 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1800 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1801 };
1802
1803 /**
1804 * struct ieee80211_vht_operation - VHT operation IE
1805 *
1806 * This structure is the "VHT operation element" as
1807 * described in 802.11ac D3.0 8.4.2.161
1808 * @chan_width: Operating channel width
1809 * @center_freq_seg0_idx: center freq segment 0 index
1810 * @center_freq_seg1_idx: center freq segment 1 index
1811 * @basic_mcs_set: VHT Basic MCS rate set
1812 */
1813 struct ieee80211_vht_operation {
1814 u8 chan_width;
1815 u8 center_freq_seg0_idx;
1816 u8 center_freq_seg1_idx;
1817 __le16 basic_mcs_set;
1818 } __packed;
1819
1820 /**
1821 * struct ieee80211_he_cap_elem - HE capabilities element
1822 *
1823 * This structure is the "HE capabilities element" fixed fields as
1824 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1825 */
1826 struct ieee80211_he_cap_elem {
1827 u8 mac_cap_info[6];
1828 u8 phy_cap_info[11];
1829 } __packed;
1830
1831 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1832
1833 /**
1834 * enum ieee80211_he_mcs_support - HE MCS support definitions
1835 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1836 * number of streams
1837 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1838 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1839 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1840 *
1841 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1842 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1843 * both split into 8 subfields by number of streams. These values indicate
1844 * which MCSes are supported for the number of streams the value appears
1845 * for.
1846 */
1847 enum ieee80211_he_mcs_support {
1848 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1849 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1850 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1851 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1852 };
1853
1854 /**
1855 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1856 *
1857 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1858 * described in P802.11ax_D2.0 section 9.4.2.237.4
1859 *
1860 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1861 * widths less than 80MHz.
1862 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1863 * widths less than 80MHz.
1864 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1865 * width 160MHz.
1866 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1867 * width 160MHz.
1868 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1869 * channel width 80p80MHz.
1870 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1871 * channel width 80p80MHz.
1872 */
1873 struct ieee80211_he_mcs_nss_supp {
1874 __le16 rx_mcs_80;
1875 __le16 tx_mcs_80;
1876 __le16 rx_mcs_160;
1877 __le16 tx_mcs_160;
1878 __le16 rx_mcs_80p80;
1879 __le16 tx_mcs_80p80;
1880 } __packed;
1881
1882 /**
1883 * struct ieee80211_he_operation - HE capabilities element
1884 *
1885 * This structure is the "HE operation element" fields as
1886 * described in P802.11ax_D4.0 section 9.4.2.243
1887 */
1888 struct ieee80211_he_operation {
1889 __le32 he_oper_params;
1890 __le16 he_mcs_nss_set;
1891 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1892 u8 optional[];
1893 } __packed;
1894
1895 /**
1896 * struct ieee80211_he_spr - HE spatial reuse element
1897 *
1898 * This structure is the "HE spatial reuse element" element as
1899 * described in P802.11ax_D4.0 section 9.4.2.241
1900 */
1901 struct ieee80211_he_spr {
1902 u8 he_sr_control;
1903 /* Optional 0 to 19 bytes: depends on @he_sr_control */
1904 u8 optional[];
1905 } __packed;
1906
1907 /**
1908 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1909 *
1910 * This structure is the "MU AC Parameter Record" fields as
1911 * described in P802.11ax_D4.0 section 9.4.2.245
1912 */
1913 struct ieee80211_he_mu_edca_param_ac_rec {
1914 u8 aifsn;
1915 u8 ecw_min_max;
1916 u8 mu_edca_timer;
1917 } __packed;
1918
1919 /**
1920 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1921 *
1922 * This structure is the "MU EDCA Parameter Set element" fields as
1923 * described in P802.11ax_D4.0 section 9.4.2.245
1924 */
1925 struct ieee80211_mu_edca_param_set {
1926 u8 mu_qos_info;
1927 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1928 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1929 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1930 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1931 } __packed;
1932
1933 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1934 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1935
1936 /**
1937 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1938 * supported NSS for per MCS.
1939 *
1940 * For each field below, bits 0 - 3 indicate the maximal number of spatial
1941 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1942 * for Tx.
1943 *
1944 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1945 * supported for reception and the maximum number of spatial streams
1946 * supported for transmission for MCS 0 - 7.
1947 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1948 * supported for reception and the maximum number of spatial streams
1949 * supported for transmission for MCS 8 - 9.
1950 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1951 * supported for reception and the maximum number of spatial streams
1952 * supported for transmission for MCS 10 - 11.
1953 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1954 * supported for reception and the maximum number of spatial streams
1955 * supported for transmission for MCS 12 - 13.
1956 */
1957 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
1958 u8 rx_tx_mcs7_max_nss;
1959 u8 rx_tx_mcs9_max_nss;
1960 u8 rx_tx_mcs11_max_nss;
1961 u8 rx_tx_mcs13_max_nss;
1962 };
1963
1964 /**
1965 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
1966 * 20MHz only stations).
1967 *
1968 * For each field below, bits 0 - 3 indicate the maximal number of spatial
1969 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1970 * for Tx.
1971 *
1972 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1973 * supported for reception and the maximum number of spatial streams
1974 * supported for transmission for MCS 0 - 9.
1975 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1976 * supported for reception and the maximum number of spatial streams
1977 * supported for transmission for MCS 10 - 11.
1978 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1979 * supported for reception and the maximum number of spatial streams
1980 * supported for transmission for MCS 12 - 13.
1981 */
1982 struct ieee80211_eht_mcs_nss_supp_bw {
1983 u8 rx_tx_mcs9_max_nss;
1984 u8 rx_tx_mcs11_max_nss;
1985 u8 rx_tx_mcs13_max_nss;
1986 };
1987
1988 /**
1989 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
1990 *
1991 * This structure is the "EHT Capabilities element" fixed fields as
1992 * described in P802.11be_D2.0 section 9.4.2.313.
1993 *
1994 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
1995 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
1996 */
1997 struct ieee80211_eht_cap_elem_fixed {
1998 u8 mac_cap_info[2];
1999 u8 phy_cap_info[9];
2000 } __packed;
2001
2002 /**
2003 * struct ieee80211_eht_cap_elem - EHT capabilities element
2004 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2005 * @optional: optional parts
2006 */
2007 struct ieee80211_eht_cap_elem {
2008 struct ieee80211_eht_cap_elem_fixed fixed;
2009
2010 /*
2011 * Followed by:
2012 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2013 * EHT PPE Thresholds field: variable length.
2014 */
2015 u8 optional[];
2016 } __packed;
2017
2018 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2019 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2020 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2021 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2022 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2023
2024 /**
2025 * struct ieee80211_eht_operation - eht operation element
2026 *
2027 * This structure is the "EHT Operation Element" fields as
2028 * described in P802.11be_D2.0 section 9.4.2.311
2029 *
2030 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2031 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2032 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2033 * receive.
2034 * @optional: optional parts
2035 */
2036 struct ieee80211_eht_operation {
2037 u8 params;
2038 __le32 basic_mcs_nss;
2039 u8 optional[];
2040 } __packed;
2041
2042 /**
2043 * struct ieee80211_eht_operation_info - eht operation information
2044 *
2045 * @control: EHT operation information control.
2046 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2047 * EHT BSS.
2048 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2049 * @optional: optional parts
2050 */
2051 struct ieee80211_eht_operation_info {
2052 u8 control;
2053 u8 ccfs0;
2054 u8 ccfs1;
2055 u8 optional[];
2056 } __packed;
2057
2058 /* 802.11ac VHT Capabilities */
2059 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2060 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2061 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2062 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2063 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2064 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2065 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2066 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2067 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2068 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2069 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2070 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2071 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2072 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2073 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2074 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2075 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2076 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2077 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2078 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2079 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2080 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2081 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2082 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2083 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2084 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2085 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2086 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2087 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2088 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2089 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2090 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2091 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2092 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2093 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2094 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2095 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2096 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2097 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2098
2099 /**
2100 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2101 * @cap: VHT capabilities of the peer
2102 * @bw: bandwidth to use
2103 * @mcs: MCS index to use
2104 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2105 * (rate scaling algorithm) can deal with the new logic
2106 * (dot11VHTExtendedNSSBWCapable)
2107 * @max_vht_nss: current maximum NSS as advertised by the STA in
2108 * operating mode notification, can be 0 in which case the
2109 * capability data will be used to derive this (from MCS support)
2110 *
2111 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2112 * vary for a given BW/MCS. This function parses the data.
2113 *
2114 * Note: This function is exported by cfg80211.
2115 */
2116 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2117 enum ieee80211_vht_chanwidth bw,
2118 int mcs, bool ext_nss_bw_capable,
2119 unsigned int max_vht_nss);
2120
2121 /* 802.11ax HE MAC capabilities */
2122 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2123 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2124 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2125 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2126 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2127 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2128 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2129 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2130 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2131 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2132 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2133 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2134 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2135 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2136 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2137 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2138 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2139
2140 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2141 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2142 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2143 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2144 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2145 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2146 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2147 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2148 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2149 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2150 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2151 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2152 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2153 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2154 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2155 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2156 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2157 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2158
2159 /* Link adaptation is split between byte HE_MAC_CAP1 and
2160 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2161 * in which case the following values apply:
2162 * 0 = No feedback.
2163 * 1 = reserved.
2164 * 2 = Unsolicited feedback.
2165 * 3 = both
2166 */
2167 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2168
2169 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2170 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2171 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2172 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2173 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2174 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2175 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2176 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2177
2178 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2179 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2180
2181 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2182 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2183 * same field in the HE capabilities.
2184 */
2185 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2186 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2187 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2188 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2189 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2190 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2191 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2192 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2193
2194 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2195 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2196 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2197 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2198 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2199 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2200 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2201 /* Multi TID agg TX is split between byte #4 and #5
2202 * The value is a combination of B39,B40,B41
2203 */
2204 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2205
2206 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2207 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2208 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2209 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2210 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2211 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2212 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2213 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2214
2215 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2216 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2217
2218 /* 802.11ax HE PHY capabilities */
2219 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2220 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2221 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2222 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2223 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2224
2225 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2226 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2227 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2228
2229 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2230 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2231 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2232 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2233 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2234 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2235 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2236 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2237 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2238 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2239
2240 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2241 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2242 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2243 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2244 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2245 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2246
2247 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2248 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2249 * case it indicates support for Tx.
2250 */
2251 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2252 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2253
2254 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2255 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2256 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2257 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2258 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2259 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2260 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2261 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2262 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2263 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2264 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2265 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2266 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2267 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2268 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2269 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2270
2271 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2272 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2273
2274 /* Minimal allowed value of Max STS under 80MHz is 3 */
2275 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2276 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2277 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2278 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2279 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2280 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2281
2282 /* Minimal allowed value of Max STS above 80MHz is 3 */
2283 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2284 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2285 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2286 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2287 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2288 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2289
2290 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2291 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2292 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2293 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2294 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2295 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2296 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2297 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2298 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2299
2300 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2301 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2302 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2303 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2304 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2305 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2306 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2307 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2308 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2309
2310 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2311 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2312
2313 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2314 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2315 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2316 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2317 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2318 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2319 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2320 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2321
2322 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2323 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2324 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2325 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2326 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2327 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2328 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2329 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2330 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2331 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2332 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2333 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2334 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2335
2336 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2337 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2338 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2339 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2340 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2341 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2342 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2343 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2344 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2345 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2346 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2347
2348 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2349 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2350 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2351 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2352 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2353 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2354 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
2355 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
2356 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
2357 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
2358 #define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
2359
2360 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2361
2362 /* 802.11ax HE TX/RX MCS NSS Support */
2363 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2364 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2365 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2366 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2367 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2368
2369 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2370 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2371 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2372 HIGHEST_MCS_SUPPORTED_MCS8,
2373 HIGHEST_MCS_SUPPORTED_MCS9,
2374 HIGHEST_MCS_SUPPORTED_MCS10,
2375 HIGHEST_MCS_SUPPORTED_MCS11,
2376 };
2377
2378 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2379 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2380 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2381 {
2382 u8 count = 4;
2383
2384 if (he_cap->phy_cap_info[0] &
2385 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2386 count += 4;
2387
2388 if (he_cap->phy_cap_info[0] &
2389 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2390 count += 4;
2391
2392 return count;
2393 }
2394
2395 /* 802.11ax HE PPE Thresholds */
2396 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2397 #define IEEE80211_PPE_THRES_NSS_POS (0)
2398 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2399 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2400 (BIT(5) | BIT(6))
2401 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2402 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2403 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2404
2405 /*
2406 * Calculate 802.11ax HE capabilities IE PPE field size
2407 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2408 */
2409 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2410 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2411 {
2412 u8 n;
2413
2414 if ((phy_cap_info[6] &
2415 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2416 return 0;
2417
2418 n = hweight8(ppe_thres_hdr &
2419 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2420 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2421 IEEE80211_PPE_THRES_NSS_POS));
2422
2423 /*
2424 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2425 * total size.
2426 */
2427 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2428 n = DIV_ROUND_UP(n, 8);
2429
2430 return n;
2431 }
2432
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2433 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2434 {
2435 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2436 u8 needed = sizeof(*he_cap_ie_elem);
2437
2438 if (len < needed)
2439 return false;
2440
2441 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2442 if (len < needed)
2443 return false;
2444
2445 if (he_cap_ie_elem->phy_cap_info[6] &
2446 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2447 if (len < needed + 1)
2448 return false;
2449 needed += ieee80211_he_ppe_size(data[needed],
2450 he_cap_ie_elem->phy_cap_info);
2451 }
2452
2453 return len >= needed;
2454 }
2455
2456 /* HE Operation defines */
2457 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2458 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2459 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2460 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2461 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2462 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2463 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2464 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2465 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2466 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2467 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2468 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2469
2470 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2471 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2472
2473 /**
2474 * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2475 * @primary: primary channel
2476 * @control: control flags
2477 * @ccfs0: channel center frequency segment 0
2478 * @ccfs1: channel center frequency segment 1
2479 * @minrate: minimum rate (in 1 Mbps units)
2480 */
2481 struct ieee80211_he_6ghz_oper {
2482 u8 primary;
2483 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2484 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2485 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2486 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2487 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2488 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2489 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2490 u8 control;
2491 u8 ccfs0;
2492 u8 ccfs1;
2493 u8 minrate;
2494 } __packed;
2495
2496 /*
2497 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2498 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2499 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2500 * Info subfield encoding in the United States".
2501 * So it it totally max 8 Transmit Power Envelope element.
2502 */
2503 #define IEEE80211_TPE_MAX_IE_COUNT 8
2504 /*
2505 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2506 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2507 */
2508 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2509
2510 #define IEEE80211_TPE_MAX_POWER_COUNT 8
2511
2512 /* transmit power interpretation type of transmit power envelope element */
2513 enum ieee80211_tx_power_intrpt_type {
2514 IEEE80211_TPE_LOCAL_EIRP,
2515 IEEE80211_TPE_LOCAL_EIRP_PSD,
2516 IEEE80211_TPE_REG_CLIENT_EIRP,
2517 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2518 };
2519
2520 /**
2521 * struct ieee80211_tx_pwr_env
2522 *
2523 * This structure represents the "Transmit Power Envelope element"
2524 */
2525 struct ieee80211_tx_pwr_env {
2526 u8 tx_power_info;
2527 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2528 } __packed;
2529
2530 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2531 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2532 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2533
2534 /*
2535 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2536 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2537 * after the ext ID byte. It is assumed that he_oper_ie has at least
2538 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2539 * validated this.
2540 * @return the actual size of the IE data (not including header), or 0 on error
2541 */
2542 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2543 ieee80211_he_oper_size(const u8 *he_oper_ie)
2544 {
2545 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2546 u8 oper_len = sizeof(struct ieee80211_he_operation);
2547 u32 he_oper_params;
2548
2549 /* Make sure the input is not NULL */
2550 if (!he_oper_ie)
2551 return 0;
2552
2553 /* Calc required length */
2554 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2555 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2556 oper_len += 3;
2557 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2558 oper_len++;
2559 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2560 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2561
2562 /* Add the first byte (extension ID) to the total length */
2563 oper_len++;
2564
2565 return oper_len;
2566 }
2567
2568 /**
2569 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2570 * @he_oper: HE operation element (must be pre-validated for size)
2571 * but may be %NULL
2572 *
2573 * Return: a pointer to the 6 GHz operation field, or %NULL
2574 */
2575 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2576 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2577 {
2578 const u8 *ret = (void *)&he_oper->optional;
2579 u32 he_oper_params;
2580
2581 if (!he_oper)
2582 return NULL;
2583
2584 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2585
2586 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2587 return NULL;
2588 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2589 ret += 3;
2590 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2591 ret++;
2592
2593 return (void *)ret;
2594 }
2595
2596 /* HE Spatial Reuse defines */
2597 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2598 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2599 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2600 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2601 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2602
2603 /*
2604 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2605 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2606 * after the ext ID byte. It is assumed that he_spr_ie has at least
2607 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2608 * this
2609 * @return the actual size of the IE data (not including header), or 0 on error
2610 */
2611 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2612 ieee80211_he_spr_size(const u8 *he_spr_ie)
2613 {
2614 struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
2615 u8 spr_len = sizeof(struct ieee80211_he_spr);
2616 u8 he_spr_params;
2617
2618 /* Make sure the input is not NULL */
2619 if (!he_spr_ie)
2620 return 0;
2621
2622 /* Calc required length */
2623 he_spr_params = he_spr->he_sr_control;
2624 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2625 spr_len++;
2626 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2627 spr_len += 18;
2628
2629 /* Add the first byte (extension ID) to the total length */
2630 spr_len++;
2631
2632 return spr_len;
2633 }
2634
2635 /* S1G Capabilities Information field */
2636 #define IEEE80211_S1G_CAPABILITY_LEN 15
2637
2638 #define S1G_CAP0_S1G_LONG BIT(0)
2639 #define S1G_CAP0_SGI_1MHZ BIT(1)
2640 #define S1G_CAP0_SGI_2MHZ BIT(2)
2641 #define S1G_CAP0_SGI_4MHZ BIT(3)
2642 #define S1G_CAP0_SGI_8MHZ BIT(4)
2643 #define S1G_CAP0_SGI_16MHZ BIT(5)
2644 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2645
2646 #define S1G_SUPP_CH_WIDTH_2 0
2647 #define S1G_SUPP_CH_WIDTH_4 1
2648 #define S1G_SUPP_CH_WIDTH_8 2
2649 #define S1G_SUPP_CH_WIDTH_16 3
2650 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2651 cap[0])) << 1)
2652
2653 #define S1G_CAP1_RX_LDPC BIT(0)
2654 #define S1G_CAP1_TX_STBC BIT(1)
2655 #define S1G_CAP1_RX_STBC BIT(2)
2656 #define S1G_CAP1_SU_BFER BIT(3)
2657 #define S1G_CAP1_SU_BFEE BIT(4)
2658 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2659
2660 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2661 #define S1G_CAP2_MU_BFER BIT(3)
2662 #define S1G_CAP2_MU_BFEE BIT(4)
2663 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2664 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2665
2666 #define S1G_CAP3_RD_RESPONDER BIT(0)
2667 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2668 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2669 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2670 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2671
2672 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2673 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2674 #define S1G_CAP4_BAT BIT(2)
2675 #define S1G_CAP4_TIME_ADE BIT(3)
2676 #define S1G_CAP4_NON_TIM BIT(4)
2677 #define S1G_CAP4_GROUP_AID BIT(5)
2678 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2679
2680 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2681 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2682 #define S1G_CAP5_AMSDU BIT(2)
2683 #define S1G_CAP5_AMPDU BIT(3)
2684 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2685 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2686 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2687
2688 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2689 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2690 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2691 #define S1G_CAP6_RAW_OPERATION BIT(3)
2692 #define S1G_CAP6_PAGE_SLICING BIT(4)
2693 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2694 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2695
2696 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2697 #define S1G_CAP7_DUP_1MHZ BIT(1)
2698 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2699 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2700 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2701 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2702 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2703 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2704
2705 #define S1G_CAP8_TWT_GROUPING BIT(0)
2706 #define S1G_CAP8_BDT BIT(1)
2707 #define S1G_CAP8_COLOR GENMASK(4, 2)
2708 #define S1G_CAP8_TWT_REQUEST BIT(5)
2709 #define S1G_CAP8_TWT_RESPOND BIT(6)
2710 #define S1G_CAP8_PV1_FRAME BIT(7)
2711
2712 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2713
2714 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2715 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2716
2717 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2718 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
2719 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
2720 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
2721 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
2722 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
2723 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
2724 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
2725 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
2726 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
2727 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
2728
2729 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
2730
2731 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2732 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
2733 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
2734 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
2735 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
2736 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
2737 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
2738
2739 /* EHT beamformee number of spatial streams <= 80MHz is split */
2740 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
2741 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
2742
2743 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
2744 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
2745
2746 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
2747 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
2748
2749 /* EHT number of sounding dimensions for 320MHz is split */
2750 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
2751 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
2752 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
2753 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
2754 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
2755 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
2756 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
2757 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
2758 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
2759
2760 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
2761 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
2762 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
2763 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
2764 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
2765
2766 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
2767 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
2768 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
2769 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
2770 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
2771 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
2772 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
2773 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
2774 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
2775
2776 /* Maximum number of supported EHT LTF is split */
2777 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
2778 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
2779
2780 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
2781 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
2782
2783 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
2784 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
2785 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
2786 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
2787 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
2788 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
2789 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
2790 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
2791
2792 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
2793 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
2794
2795 /*
2796 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2797 */
2798 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
2799 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
2800 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
2801 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
2802 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
2803 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
2804
2805 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2806 static inline u8
ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap,const struct ieee80211_eht_cap_elem_fixed * eht_cap,bool from_ap)2807 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2808 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2809 bool from_ap)
2810 {
2811 u8 count = 0;
2812
2813 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2814 if (he_cap->phy_cap_info[0] &
2815 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2816 return 3;
2817
2818 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2819 if (he_cap->phy_cap_info[0] &
2820 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2821 count += 3;
2822
2823 if (he_cap->phy_cap_info[0] &
2824 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2825 count += 3;
2826
2827 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2828 count += 3;
2829
2830 if (count)
2831 return count;
2832
2833 return from_ap ? 3 : 4;
2834 }
2835
2836 /* 802.11be EHT PPE Thresholds */
2837 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
2838 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
2839 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
2840 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
2841 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
2842
2843 /*
2844 * Calculate 802.11be EHT capabilities IE EHT field size
2845 */
2846 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)2847 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2848 {
2849 u32 n;
2850
2851 if (!(phy_cap_info[5] &
2852 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2853 return 0;
2854
2855 n = hweight16(ppe_thres_hdr &
2856 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2857 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2858
2859 /*
2860 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2861 * total size.
2862 */
2863 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2864 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2865 return DIV_ROUND_UP(n, 8);
2866 }
2867
2868 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)2869 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2870 bool from_ap)
2871 {
2872 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2873 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2874
2875 if (len < needed || !he_capa)
2876 return false;
2877
2878 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2879 (const void *)data,
2880 from_ap);
2881 if (len < needed)
2882 return false;
2883
2884 if (elem->phy_cap_info[5] &
2885 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2886 u16 ppe_thres_hdr;
2887
2888 if (len < needed + sizeof(ppe_thres_hdr))
2889 return false;
2890
2891 ppe_thres_hdr = get_unaligned_le16(data + needed);
2892 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2893 elem->phy_cap_info);
2894 }
2895
2896 return len >= needed;
2897 }
2898
2899 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)2900 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2901 {
2902 const struct ieee80211_eht_operation *elem = (const void *)data;
2903 u8 needed = sizeof(*elem);
2904
2905 if (len < needed)
2906 return false;
2907
2908 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2909 needed += 3;
2910
2911 if (elem->params &
2912 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2913 needed += 2;
2914 }
2915
2916 return len >= needed;
2917 }
2918
2919 #define LISTEN_INT_USF GENMASK(15, 14)
2920 #define LISTEN_INT_UI GENMASK(13, 0)
2921
2922 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
2923 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
2924
2925 /* Authentication algorithms */
2926 #define WLAN_AUTH_OPEN 0
2927 #define WLAN_AUTH_SHARED_KEY 1
2928 #define WLAN_AUTH_FT 2
2929 #define WLAN_AUTH_SAE 3
2930 #define WLAN_AUTH_FILS_SK 4
2931 #define WLAN_AUTH_FILS_SK_PFS 5
2932 #define WLAN_AUTH_FILS_PK 6
2933 #define WLAN_AUTH_LEAP 128
2934
2935 #define WLAN_AUTH_CHALLENGE_LEN 128
2936
2937 #define WLAN_CAPABILITY_ESS (1<<0)
2938 #define WLAN_CAPABILITY_IBSS (1<<1)
2939
2940 /*
2941 * A mesh STA sets the ESS and IBSS capability bits to zero.
2942 * however, this holds true for p2p probe responses (in the p2p_find
2943 * phase) as well.
2944 */
2945 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2946 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2947
2948 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
2949 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2950 #define WLAN_CAPABILITY_PRIVACY (1<<4)
2951 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
2952 #define WLAN_CAPABILITY_PBCC (1<<6)
2953 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2954
2955 /* 802.11h */
2956 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
2957 #define WLAN_CAPABILITY_QOS (1<<9)
2958 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2959 #define WLAN_CAPABILITY_APSD (1<<11)
2960 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
2961 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
2962 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
2963 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
2964
2965 /* DMG (60gHz) 802.11ad */
2966 /* type - bits 0..1 */
2967 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
2968 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
2969 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
2970 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
2971
2972 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
2973 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
2974 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
2975 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
2976
2977 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
2978 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
2979
2980 /* measurement */
2981 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
2982 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
2983 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
2984
2985 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
2986 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
2987 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
2988 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
2989 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
2990
2991 /* 802.11g ERP information element */
2992 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2993 #define WLAN_ERP_USE_PROTECTION (1<<1)
2994 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2995
2996 /* WLAN_ERP_BARKER_PREAMBLE values */
2997 enum {
2998 WLAN_ERP_PREAMBLE_SHORT = 0,
2999 WLAN_ERP_PREAMBLE_LONG = 1,
3000 };
3001
3002 /* Band ID, 802.11ad #8.4.1.45 */
3003 enum {
3004 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3005 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3006 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3007 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3008 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3009 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3010 };
3011
3012 /* Status codes */
3013 enum ieee80211_statuscode {
3014 WLAN_STATUS_SUCCESS = 0,
3015 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3016 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3017 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3018 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3019 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3020 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3021 WLAN_STATUS_CHALLENGE_FAIL = 15,
3022 WLAN_STATUS_AUTH_TIMEOUT = 16,
3023 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3024 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3025 /* 802.11b */
3026 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3027 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3028 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3029 /* 802.11h */
3030 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3031 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3032 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3033 /* 802.11g */
3034 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3035 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3036 /* 802.11w */
3037 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3038 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3039 /* 802.11i */
3040 WLAN_STATUS_INVALID_IE = 40,
3041 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3042 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3043 WLAN_STATUS_INVALID_AKMP = 43,
3044 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3045 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3046 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3047 /* 802.11e */
3048 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3049 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3050 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3051 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3052 WLAN_STATUS_REQUEST_DECLINED = 37,
3053 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3054 WLAN_STATUS_CHANGE_TSPEC = 39,
3055 WLAN_STATUS_WAIT_TS_DELAY = 47,
3056 WLAN_STATUS_NO_DIRECT_LINK = 48,
3057 WLAN_STATUS_STA_NOT_PRESENT = 49,
3058 WLAN_STATUS_STA_NOT_QSTA = 50,
3059 /* 802.11s */
3060 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3061 WLAN_STATUS_FCG_NOT_SUPP = 78,
3062 WLAN_STATUS_STA_NO_TBTT = 78,
3063 /* 802.11ad */
3064 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3065 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3066 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3067 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3068 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3069 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3070 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3071 WLAN_STATUS_REJECT_DSE_BAND = 96,
3072 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3073 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3074 /* 802.11ai */
3075 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3076 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3077 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3078 WLAN_STATUS_SAE_PK = 127,
3079 };
3080
3081
3082 /* Reason codes */
3083 enum ieee80211_reasoncode {
3084 WLAN_REASON_UNSPECIFIED = 1,
3085 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3086 WLAN_REASON_DEAUTH_LEAVING = 3,
3087 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3088 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3089 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3090 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3091 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3092 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3093 /* 802.11h */
3094 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3095 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3096 /* 802.11i */
3097 WLAN_REASON_INVALID_IE = 13,
3098 WLAN_REASON_MIC_FAILURE = 14,
3099 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3100 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3101 WLAN_REASON_IE_DIFFERENT = 17,
3102 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3103 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3104 WLAN_REASON_INVALID_AKMP = 20,
3105 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3106 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3107 WLAN_REASON_IEEE8021X_FAILED = 23,
3108 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3109 /* TDLS (802.11z) */
3110 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3111 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3112 /* 802.11e */
3113 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3114 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3115 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3116 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3117 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3118 WLAN_REASON_QSTA_NOT_USE = 37,
3119 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3120 WLAN_REASON_QSTA_TIMEOUT = 39,
3121 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3122 /* 802.11s */
3123 WLAN_REASON_MESH_PEER_CANCELED = 52,
3124 WLAN_REASON_MESH_MAX_PEERS = 53,
3125 WLAN_REASON_MESH_CONFIG = 54,
3126 WLAN_REASON_MESH_CLOSE = 55,
3127 WLAN_REASON_MESH_MAX_RETRIES = 56,
3128 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3129 WLAN_REASON_MESH_INVALID_GTK = 58,
3130 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3131 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3132 WLAN_REASON_MESH_PATH_ERROR = 61,
3133 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3134 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3135 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3136 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3137 WLAN_REASON_MESH_CHAN = 66,
3138 };
3139
3140
3141 /* Information Element IDs */
3142 enum ieee80211_eid {
3143 WLAN_EID_SSID = 0,
3144 WLAN_EID_SUPP_RATES = 1,
3145 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3146 WLAN_EID_DS_PARAMS = 3,
3147 WLAN_EID_CF_PARAMS = 4,
3148 WLAN_EID_TIM = 5,
3149 WLAN_EID_IBSS_PARAMS = 6,
3150 WLAN_EID_COUNTRY = 7,
3151 /* 8, 9 reserved */
3152 WLAN_EID_REQUEST = 10,
3153 WLAN_EID_QBSS_LOAD = 11,
3154 WLAN_EID_EDCA_PARAM_SET = 12,
3155 WLAN_EID_TSPEC = 13,
3156 WLAN_EID_TCLAS = 14,
3157 WLAN_EID_SCHEDULE = 15,
3158 WLAN_EID_CHALLENGE = 16,
3159 /* 17-31 reserved for challenge text extension */
3160 WLAN_EID_PWR_CONSTRAINT = 32,
3161 WLAN_EID_PWR_CAPABILITY = 33,
3162 WLAN_EID_TPC_REQUEST = 34,
3163 WLAN_EID_TPC_REPORT = 35,
3164 WLAN_EID_SUPPORTED_CHANNELS = 36,
3165 WLAN_EID_CHANNEL_SWITCH = 37,
3166 WLAN_EID_MEASURE_REQUEST = 38,
3167 WLAN_EID_MEASURE_REPORT = 39,
3168 WLAN_EID_QUIET = 40,
3169 WLAN_EID_IBSS_DFS = 41,
3170 WLAN_EID_ERP_INFO = 42,
3171 WLAN_EID_TS_DELAY = 43,
3172 WLAN_EID_TCLAS_PROCESSING = 44,
3173 WLAN_EID_HT_CAPABILITY = 45,
3174 WLAN_EID_QOS_CAPA = 46,
3175 /* 47 reserved for Broadcom */
3176 WLAN_EID_RSN = 48,
3177 WLAN_EID_802_15_COEX = 49,
3178 WLAN_EID_EXT_SUPP_RATES = 50,
3179 WLAN_EID_AP_CHAN_REPORT = 51,
3180 WLAN_EID_NEIGHBOR_REPORT = 52,
3181 WLAN_EID_RCPI = 53,
3182 WLAN_EID_MOBILITY_DOMAIN = 54,
3183 WLAN_EID_FAST_BSS_TRANSITION = 55,
3184 WLAN_EID_TIMEOUT_INTERVAL = 56,
3185 WLAN_EID_RIC_DATA = 57,
3186 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3187 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3188 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3189 WLAN_EID_HT_OPERATION = 61,
3190 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3191 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3192 WLAN_EID_ANTENNA_INFO = 64,
3193 WLAN_EID_RSNI = 65,
3194 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3195 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3196 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3197 WLAN_EID_TIME_ADVERTISEMENT = 69,
3198 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3199 WLAN_EID_MULTIPLE_BSSID = 71,
3200 WLAN_EID_BSS_COEX_2040 = 72,
3201 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3202 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3203 WLAN_EID_RIC_DESCRIPTOR = 75,
3204 WLAN_EID_MMIE = 76,
3205 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3206 WLAN_EID_EVENT_REQUEST = 78,
3207 WLAN_EID_EVENT_REPORT = 79,
3208 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3209 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3210 WLAN_EID_LOCATION_PARAMS = 82,
3211 WLAN_EID_NON_TX_BSSID_CAP = 83,
3212 WLAN_EID_SSID_LIST = 84,
3213 WLAN_EID_MULTI_BSSID_IDX = 85,
3214 WLAN_EID_FMS_DESCRIPTOR = 86,
3215 WLAN_EID_FMS_REQUEST = 87,
3216 WLAN_EID_FMS_RESPONSE = 88,
3217 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3218 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3219 WLAN_EID_TSF_REQUEST = 91,
3220 WLAN_EID_TSF_RESPOSNE = 92,
3221 WLAN_EID_WNM_SLEEP_MODE = 93,
3222 WLAN_EID_TIM_BCAST_REQ = 94,
3223 WLAN_EID_TIM_BCAST_RESP = 95,
3224 WLAN_EID_COLL_IF_REPORT = 96,
3225 WLAN_EID_CHANNEL_USAGE = 97,
3226 WLAN_EID_TIME_ZONE = 98,
3227 WLAN_EID_DMS_REQUEST = 99,
3228 WLAN_EID_DMS_RESPONSE = 100,
3229 WLAN_EID_LINK_ID = 101,
3230 WLAN_EID_WAKEUP_SCHEDUL = 102,
3231 /* 103 reserved */
3232 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3233 WLAN_EID_PTI_CONTROL = 105,
3234 WLAN_EID_PU_BUFFER_STATUS = 106,
3235 WLAN_EID_INTERWORKING = 107,
3236 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3237 WLAN_EID_EXPEDITED_BW_REQ = 109,
3238 WLAN_EID_QOS_MAP_SET = 110,
3239 WLAN_EID_ROAMING_CONSORTIUM = 111,
3240 WLAN_EID_EMERGENCY_ALERT = 112,
3241 WLAN_EID_MESH_CONFIG = 113,
3242 WLAN_EID_MESH_ID = 114,
3243 WLAN_EID_LINK_METRIC_REPORT = 115,
3244 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3245 WLAN_EID_PEER_MGMT = 117,
3246 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3247 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3248 WLAN_EID_BEACON_TIMING = 120,
3249 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3250 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3251 WLAN_EID_MCCAOP_ADVERT = 123,
3252 WLAN_EID_MCCAOP_TEARDOWN = 124,
3253 WLAN_EID_GANN = 125,
3254 WLAN_EID_RANN = 126,
3255 WLAN_EID_EXT_CAPABILITY = 127,
3256 /* 128, 129 reserved for Agere */
3257 WLAN_EID_PREQ = 130,
3258 WLAN_EID_PREP = 131,
3259 WLAN_EID_PERR = 132,
3260 /* 133-136 reserved for Cisco */
3261 WLAN_EID_PXU = 137,
3262 WLAN_EID_PXUC = 138,
3263 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3264 WLAN_EID_MIC = 140,
3265 WLAN_EID_DESTINATION_URI = 141,
3266 WLAN_EID_UAPSD_COEX = 142,
3267 WLAN_EID_WAKEUP_SCHEDULE = 143,
3268 WLAN_EID_EXT_SCHEDULE = 144,
3269 WLAN_EID_STA_AVAILABILITY = 145,
3270 WLAN_EID_DMG_TSPEC = 146,
3271 WLAN_EID_DMG_AT = 147,
3272 WLAN_EID_DMG_CAP = 148,
3273 /* 149 reserved for Cisco */
3274 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3275 WLAN_EID_DMG_OPERATION = 151,
3276 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3277 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3278 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3279 /* 155-156 reserved for Cisco */
3280 WLAN_EID_AWAKE_WINDOW = 157,
3281 WLAN_EID_MULTI_BAND = 158,
3282 WLAN_EID_ADDBA_EXT = 159,
3283 WLAN_EID_NEXT_PCP_LIST = 160,
3284 WLAN_EID_PCP_HANDOVER = 161,
3285 WLAN_EID_DMG_LINK_MARGIN = 162,
3286 WLAN_EID_SWITCHING_STREAM = 163,
3287 WLAN_EID_SESSION_TRANSITION = 164,
3288 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3289 WLAN_EID_CLUSTER_REPORT = 166,
3290 WLAN_EID_RELAY_CAP = 167,
3291 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3292 WLAN_EID_BEAM_LINK_MAINT = 169,
3293 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3294 WLAN_EID_U_PID = 171,
3295 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3296 /* 173 reserved for Symbol */
3297 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3298 WLAN_EID_QUIET_PERIOD_REQ = 175,
3299 /* 176 reserved for Symbol */
3300 WLAN_EID_QUIET_PERIOD_RESP = 177,
3301 /* 178-179 reserved for Symbol */
3302 /* 180 reserved for ISO/IEC 20011 */
3303 WLAN_EID_EPAC_POLICY = 182,
3304 WLAN_EID_CLISTER_TIME_OFF = 183,
3305 WLAN_EID_INTER_AC_PRIO = 184,
3306 WLAN_EID_SCS_DESCRIPTOR = 185,
3307 WLAN_EID_QLOAD_REPORT = 186,
3308 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3309 WLAN_EID_HL_STREAM_ID = 188,
3310 WLAN_EID_GCR_GROUP_ADDR = 189,
3311 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3312 WLAN_EID_VHT_CAPABILITY = 191,
3313 WLAN_EID_VHT_OPERATION = 192,
3314 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3315 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3316 WLAN_EID_TX_POWER_ENVELOPE = 195,
3317 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3318 WLAN_EID_AID = 197,
3319 WLAN_EID_QUIET_CHANNEL = 198,
3320 WLAN_EID_OPMODE_NOTIF = 199,
3321
3322 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3323
3324 WLAN_EID_AID_REQUEST = 210,
3325 WLAN_EID_AID_RESPONSE = 211,
3326 WLAN_EID_S1G_BCN_COMPAT = 213,
3327 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3328 WLAN_EID_S1G_TWT = 216,
3329 WLAN_EID_S1G_CAPABILITIES = 217,
3330 WLAN_EID_VENDOR_SPECIFIC = 221,
3331 WLAN_EID_QOS_PARAMETER = 222,
3332 WLAN_EID_S1G_OPERATION = 232,
3333 WLAN_EID_CAG_NUMBER = 237,
3334 WLAN_EID_AP_CSN = 239,
3335 WLAN_EID_FILS_INDICATION = 240,
3336 WLAN_EID_DILS = 241,
3337 WLAN_EID_FRAGMENT = 242,
3338 WLAN_EID_RSNX = 244,
3339 WLAN_EID_EXTENSION = 255
3340 };
3341
3342 /* Element ID Extensions for Element ID 255 */
3343 enum ieee80211_eid_ext {
3344 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3345 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3346 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3347 WLAN_EID_EXT_FILS_SESSION = 4,
3348 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3349 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3350 WLAN_EID_EXT_KEY_DELIVERY = 7,
3351 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3352 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3353 WLAN_EID_EXT_FILS_NONCE = 13,
3354 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3355 WLAN_EID_EXT_HE_CAPABILITY = 35,
3356 WLAN_EID_EXT_HE_OPERATION = 36,
3357 WLAN_EID_EXT_UORA = 37,
3358 WLAN_EID_EXT_HE_MU_EDCA = 38,
3359 WLAN_EID_EXT_HE_SPR = 39,
3360 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3361 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3362 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3363 WLAN_EID_EXT_ESS_REPORT = 45,
3364 WLAN_EID_EXT_OPS = 46,
3365 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3366 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3367 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3368 WLAN_EID_EXT_NON_INHERITANCE = 56,
3369 WLAN_EID_EXT_KNOWN_BSSID = 57,
3370 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3371 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3372 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3373 WLAN_EID_EXT_EHT_OPERATION = 106,
3374 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3375 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3376 };
3377
3378 /* Action category code */
3379 enum ieee80211_category {
3380 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3381 WLAN_CATEGORY_QOS = 1,
3382 WLAN_CATEGORY_DLS = 2,
3383 WLAN_CATEGORY_BACK = 3,
3384 WLAN_CATEGORY_PUBLIC = 4,
3385 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3386 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3387 WLAN_CATEGORY_HT = 7,
3388 WLAN_CATEGORY_SA_QUERY = 8,
3389 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3390 WLAN_CATEGORY_WNM = 10,
3391 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3392 WLAN_CATEGORY_TDLS = 12,
3393 WLAN_CATEGORY_MESH_ACTION = 13,
3394 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3395 WLAN_CATEGORY_SELF_PROTECTED = 15,
3396 WLAN_CATEGORY_DMG = 16,
3397 WLAN_CATEGORY_WMM = 17,
3398 WLAN_CATEGORY_FST = 18,
3399 WLAN_CATEGORY_UNPROT_DMG = 20,
3400 WLAN_CATEGORY_VHT = 21,
3401 WLAN_CATEGORY_S1G = 22,
3402 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3403 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3404 };
3405
3406 /* SPECTRUM_MGMT action code */
3407 enum ieee80211_spectrum_mgmt_actioncode {
3408 WLAN_ACTION_SPCT_MSR_REQ = 0,
3409 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3410 WLAN_ACTION_SPCT_TPC_REQ = 2,
3411 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3412 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3413 };
3414
3415 /* HT action codes */
3416 enum ieee80211_ht_actioncode {
3417 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3418 WLAN_HT_ACTION_SMPS = 1,
3419 WLAN_HT_ACTION_PSMP = 2,
3420 WLAN_HT_ACTION_PCO_PHASE = 3,
3421 WLAN_HT_ACTION_CSI = 4,
3422 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3423 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3424 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3425 };
3426
3427 /* VHT action codes */
3428 enum ieee80211_vht_actioncode {
3429 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3430 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3431 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3432 };
3433
3434 /* Self Protected Action codes */
3435 enum ieee80211_self_protected_actioncode {
3436 WLAN_SP_RESERVED = 0,
3437 WLAN_SP_MESH_PEERING_OPEN = 1,
3438 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3439 WLAN_SP_MESH_PEERING_CLOSE = 3,
3440 WLAN_SP_MGK_INFORM = 4,
3441 WLAN_SP_MGK_ACK = 5,
3442 };
3443
3444 /* Mesh action codes */
3445 enum ieee80211_mesh_actioncode {
3446 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3447 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3448 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3449 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3450 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3451 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3452 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3453 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3454 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3455 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3456 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3457 };
3458
3459 /* Security key length */
3460 enum ieee80211_key_len {
3461 WLAN_KEY_LEN_WEP40 = 5,
3462 WLAN_KEY_LEN_WEP104 = 13,
3463 WLAN_KEY_LEN_CCMP = 16,
3464 WLAN_KEY_LEN_CCMP_256 = 32,
3465 WLAN_KEY_LEN_TKIP = 32,
3466 WLAN_KEY_LEN_AES_CMAC = 16,
3467 WLAN_KEY_LEN_SMS4 = 32,
3468 WLAN_KEY_LEN_GCMP = 16,
3469 WLAN_KEY_LEN_GCMP_256 = 32,
3470 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3471 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3472 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3473 };
3474
3475 enum ieee80211_s1g_actioncode {
3476 WLAN_S1G_AID_SWITCH_REQUEST,
3477 WLAN_S1G_AID_SWITCH_RESPONSE,
3478 WLAN_S1G_SYNC_CONTROL,
3479 WLAN_S1G_STA_INFO_ANNOUNCE,
3480 WLAN_S1G_EDCA_PARAM_SET,
3481 WLAN_S1G_EL_OPERATION,
3482 WLAN_S1G_TWT_SETUP,
3483 WLAN_S1G_TWT_TEARDOWN,
3484 WLAN_S1G_SECT_GROUP_ID_LIST,
3485 WLAN_S1G_SECT_ID_FEEDBACK,
3486 WLAN_S1G_TWT_INFORMATION = 11,
3487 };
3488
3489 #define IEEE80211_WEP_IV_LEN 4
3490 #define IEEE80211_WEP_ICV_LEN 4
3491 #define IEEE80211_CCMP_HDR_LEN 8
3492 #define IEEE80211_CCMP_MIC_LEN 8
3493 #define IEEE80211_CCMP_PN_LEN 6
3494 #define IEEE80211_CCMP_256_HDR_LEN 8
3495 #define IEEE80211_CCMP_256_MIC_LEN 16
3496 #define IEEE80211_CCMP_256_PN_LEN 6
3497 #define IEEE80211_TKIP_IV_LEN 8
3498 #define IEEE80211_TKIP_ICV_LEN 4
3499 #define IEEE80211_CMAC_PN_LEN 6
3500 #define IEEE80211_GMAC_PN_LEN 6
3501 #define IEEE80211_GCMP_HDR_LEN 8
3502 #define IEEE80211_GCMP_MIC_LEN 16
3503 #define IEEE80211_GCMP_PN_LEN 6
3504
3505 #define FILS_NONCE_LEN 16
3506 #define FILS_MAX_KEK_LEN 64
3507
3508 #define FILS_ERP_MAX_USERNAME_LEN 16
3509 #define FILS_ERP_MAX_REALM_LEN 253
3510 #define FILS_ERP_MAX_RRK_LEN 64
3511
3512 #define PMK_MAX_LEN 64
3513 #define SAE_PASSWORD_MAX_LEN 128
3514
3515 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3516 enum ieee80211_pub_actioncode {
3517 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3518 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3519 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3520 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3521 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3522 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3523 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3524 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3525 WLAN_PUB_ACTION_DSE_PC = 8,
3526 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3527 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3528 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3529 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3530 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3531 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3532 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3533 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3534 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3535 WLAN_PUB_ACTION_QMF_POLICY = 18,
3536 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3537 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3538 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3539 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3540 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3541 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3542 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3543 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3544 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3545 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3546 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3547 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3548 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3549 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3550 WLAN_PUB_ACTION_FTM = 33,
3551 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3552 };
3553
3554 /* TDLS action codes */
3555 enum ieee80211_tdls_actioncode {
3556 WLAN_TDLS_SETUP_REQUEST = 0,
3557 WLAN_TDLS_SETUP_RESPONSE = 1,
3558 WLAN_TDLS_SETUP_CONFIRM = 2,
3559 WLAN_TDLS_TEARDOWN = 3,
3560 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3561 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3562 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3563 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3564 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3565 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3566 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3567 };
3568
3569 /* Extended Channel Switching capability to be set in the 1st byte of
3570 * the @WLAN_EID_EXT_CAPABILITY information element
3571 */
3572 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3573
3574 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3575 * @WLAN_EID_EXT_CAPABILITY information element
3576 */
3577 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3578
3579 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3580 * of the @WLAN_EID_EXT_CAPABILITY information element
3581 */
3582 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3583
3584 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3585 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3586 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3587 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3588
3589 /* Interworking capabilities are set in 7th bit of 4th byte of the
3590 * @WLAN_EID_EXT_CAPABILITY information element
3591 */
3592 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3593
3594 /*
3595 * TDLS capabililites to be enabled in the 5th byte of the
3596 * @WLAN_EID_EXT_CAPABILITY information element
3597 */
3598 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3599 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3600 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3601
3602 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3603 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3604
3605 /* Defines the maximal number of MSDUs in an A-MSDU. */
3606 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3607 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3608
3609 /*
3610 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3611 * information element
3612 */
3613 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3614
3615 /* Defines support for TWT Requester and TWT Responder */
3616 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3617 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3618
3619 /*
3620 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3621 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3622 * 26-tone RU UL OFDMA transmissions as radar pulses).
3623 */
3624 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3625
3626 /* Defines support for enhanced multi-bssid advertisement*/
3627 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3628
3629 /* TDLS specific payload type in the LLC/SNAP header */
3630 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3631
3632 /* BSS Coex IE information field bits */
3633 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3634
3635 /**
3636 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3637 *
3638 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3639 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3640 * that will be specified in a vendor specific information element
3641 */
3642 enum ieee80211_mesh_sync_method {
3643 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3644 IEEE80211_SYNC_METHOD_VENDOR = 255,
3645 };
3646
3647 /**
3648 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3649 *
3650 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3651 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3652 * be specified in a vendor specific information element
3653 */
3654 enum ieee80211_mesh_path_protocol {
3655 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3656 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3657 };
3658
3659 /**
3660 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3661 *
3662 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3663 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3664 * specified in a vendor specific information element
3665 */
3666 enum ieee80211_mesh_path_metric {
3667 IEEE80211_PATH_METRIC_AIRTIME = 1,
3668 IEEE80211_PATH_METRIC_VENDOR = 255,
3669 };
3670
3671 /**
3672 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3673 *
3674 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3675 *
3676 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3677 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3678 * this value
3679 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3680 * the proactive PREQ with proactive PREP subfield set to 0
3681 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3682 * supports the proactive PREQ with proactive PREP subfield set to 1
3683 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3684 * the proactive RANN
3685 */
3686 enum ieee80211_root_mode_identifier {
3687 IEEE80211_ROOTMODE_NO_ROOT = 0,
3688 IEEE80211_ROOTMODE_ROOT = 1,
3689 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3690 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3691 IEEE80211_PROACTIVE_RANN = 4,
3692 };
3693
3694 /*
3695 * IEEE 802.11-2007 7.3.2.9 Country information element
3696 *
3697 * Minimum length is 8 octets, ie len must be evenly
3698 * divisible by 2
3699 */
3700
3701 /* Although the spec says 8 I'm seeing 6 in practice */
3702 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
3703
3704 /* The Country String field of the element shall be 3 octets in length */
3705 #define IEEE80211_COUNTRY_STRING_LEN 3
3706
3707 /*
3708 * For regulatory extension stuff see IEEE 802.11-2007
3709 * Annex I (page 1141) and Annex J (page 1147). Also
3710 * review 7.3.2.9.
3711 *
3712 * When dot11RegulatoryClassesRequired is true and the
3713 * first_channel/reg_extension_id is >= 201 then the IE
3714 * compromises of the 'ext' struct represented below:
3715 *
3716 * - Regulatory extension ID - when generating IE this just needs
3717 * to be monotonically increasing for each triplet passed in
3718 * the IE
3719 * - Regulatory class - index into set of rules
3720 * - Coverage class - index into air propagation time (Table 7-27),
3721 * in microseconds, you can compute the air propagation time from
3722 * the index by multiplying by 3, so index 10 yields a propagation
3723 * of 10 us. Valid values are 0-31, values 32-255 are not defined
3724 * yet. A value of 0 inicates air propagation of <= 1 us.
3725 *
3726 * See also Table I.2 for Emission limit sets and table
3727 * I.3 for Behavior limit sets. Table J.1 indicates how to map
3728 * a reg_class to an emission limit set and behavior limit set.
3729 */
3730 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3731
3732 /*
3733 * Channels numbers in the IE must be monotonically increasing
3734 * if dot11RegulatoryClassesRequired is not true.
3735 *
3736 * If dot11RegulatoryClassesRequired is true consecutive
3737 * subband triplets following a regulatory triplet shall
3738 * have monotonically increasing first_channel number fields.
3739 *
3740 * Channel numbers shall not overlap.
3741 *
3742 * Note that max_power is signed.
3743 */
3744 struct ieee80211_country_ie_triplet {
3745 union {
3746 struct {
3747 u8 first_channel;
3748 u8 num_channels;
3749 s8 max_power;
3750 } __packed chans;
3751 struct {
3752 u8 reg_extension_id;
3753 u8 reg_class;
3754 u8 coverage_class;
3755 } __packed ext;
3756 };
3757 } __packed;
3758
3759 enum ieee80211_timeout_interval_type {
3760 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3761 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3762 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3763 };
3764
3765 /**
3766 * struct ieee80211_timeout_interval_ie - Timeout Interval element
3767 * @type: type, see &enum ieee80211_timeout_interval_type
3768 * @value: timeout interval value
3769 */
3770 struct ieee80211_timeout_interval_ie {
3771 u8 type;
3772 __le32 value;
3773 } __packed;
3774
3775 /**
3776 * enum ieee80211_idle_options - BSS idle options
3777 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3778 * protected frame to the AP to reset the idle timer at the AP for
3779 * the station.
3780 */
3781 enum ieee80211_idle_options {
3782 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3783 };
3784
3785 /**
3786 * struct ieee80211_bss_max_idle_period_ie
3787 *
3788 * This structure refers to "BSS Max idle period element"
3789 *
3790 * @max_idle_period: indicates the time period during which a station can
3791 * refrain from transmitting frames to its associated AP without being
3792 * disassociated. In units of 1000 TUs.
3793 * @idle_options: indicates the options associated with the BSS idle capability
3794 * as specified in &enum ieee80211_idle_options.
3795 */
3796 struct ieee80211_bss_max_idle_period_ie {
3797 __le16 max_idle_period;
3798 u8 idle_options;
3799 } __packed;
3800
3801 /* BACK action code */
3802 enum ieee80211_back_actioncode {
3803 WLAN_ACTION_ADDBA_REQ = 0,
3804 WLAN_ACTION_ADDBA_RESP = 1,
3805 WLAN_ACTION_DELBA = 2,
3806 };
3807
3808 /* BACK (block-ack) parties */
3809 enum ieee80211_back_parties {
3810 WLAN_BACK_RECIPIENT = 0,
3811 WLAN_BACK_INITIATOR = 1,
3812 };
3813
3814 /* SA Query action */
3815 enum ieee80211_sa_query_action {
3816 WLAN_ACTION_SA_QUERY_REQUEST = 0,
3817 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3818 };
3819
3820 /**
3821 * struct ieee80211_bssid_index
3822 *
3823 * This structure refers to "Multiple BSSID-index element"
3824 *
3825 * @bssid_index: BSSID index
3826 * @dtim_period: optional, overrides transmitted BSS dtim period
3827 * @dtim_count: optional, overrides transmitted BSS dtim count
3828 */
3829 struct ieee80211_bssid_index {
3830 u8 bssid_index;
3831 u8 dtim_period;
3832 u8 dtim_count;
3833 };
3834
3835 /**
3836 * struct ieee80211_multiple_bssid_configuration
3837 *
3838 * This structure refers to "Multiple BSSID Configuration element"
3839 *
3840 * @bssid_count: total number of active BSSIDs in the set
3841 * @profile_periodicity: the least number of beacon frames need to be received
3842 * in order to discover all the nontransmitted BSSIDs in the set.
3843 */
3844 struct ieee80211_multiple_bssid_configuration {
3845 u8 bssid_count;
3846 u8 profile_periodicity;
3847 };
3848
3849 #define SUITE(oui, id) (((oui) << 8) | (id))
3850
3851 /* cipher suite selectors */
3852 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3853 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
3854 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
3855 /* reserved: SUITE(0x000FAC, 3) */
3856 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
3857 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
3858 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
3859 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
3860 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
3861 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
3862 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
3863 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
3864 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
3865
3866 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
3867
3868 /* AKM suite selectors */
3869 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
3870 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
3871 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
3872 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
3873 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
3874 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
3875 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
3876 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
3877 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
3878 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
3879 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
3880 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
3881 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
3882 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
3883 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
3884 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
3885 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
3886 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
3887 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
3888 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
3889
3890 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
3891
3892 #define WLAN_MAX_KEY_LEN 32
3893
3894 #define WLAN_PMK_NAME_LEN 16
3895 #define WLAN_PMKID_LEN 16
3896 #define WLAN_PMK_LEN_EAP_LEAP 16
3897 #define WLAN_PMK_LEN 32
3898 #define WLAN_PMK_LEN_SUITE_B_192 48
3899
3900 #define WLAN_OUI_WFA 0x506f9a
3901 #define WLAN_OUI_TYPE_WFA_P2P 9
3902 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
3903 #define WLAN_OUI_MICROSOFT 0x0050f2
3904 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
3905 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
3906 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
3907 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
3908
3909 /*
3910 * WMM/802.11e Tspec Element
3911 */
3912 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
3913 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
3914
3915 enum ieee80211_tspec_status_code {
3916 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
3917 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
3918 };
3919
3920 struct ieee80211_tspec_ie {
3921 u8 element_id;
3922 u8 len;
3923 u8 oui[3];
3924 u8 oui_type;
3925 u8 oui_subtype;
3926 u8 version;
3927 __le16 tsinfo;
3928 u8 tsinfo_resvd;
3929 __le16 nominal_msdu;
3930 __le16 max_msdu;
3931 __le32 min_service_int;
3932 __le32 max_service_int;
3933 __le32 inactivity_int;
3934 __le32 suspension_int;
3935 __le32 service_start_time;
3936 __le32 min_data_rate;
3937 __le32 mean_data_rate;
3938 __le32 peak_data_rate;
3939 __le32 max_burst_size;
3940 __le32 delay_bound;
3941 __le32 min_phy_rate;
3942 __le16 sba;
3943 __le16 medium_time;
3944 } __packed;
3945
3946 struct ieee80211_he_6ghz_capa {
3947 /* uses IEEE80211_HE_6GHZ_CAP_* below */
3948 __le16 capa;
3949 } __packed;
3950
3951 /* HE 6 GHz band capabilities */
3952 /* uses enum ieee80211_min_mpdu_spacing values */
3953 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
3954 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
3955 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
3956 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
3957 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
3958 /* WLAN_HT_CAP_SM_PS_* values */
3959 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
3960 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
3961 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
3962 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
3963
3964 /**
3965 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3966 * @hdr: the frame
3967 *
3968 * The qos ctrl bytes come after the frame_control, duration, seq_num
3969 * and 3 or 4 addresses of length ETH_ALEN.
3970 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3971 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3972 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)3973 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3974 {
3975 if (ieee80211_has_a4(hdr->frame_control))
3976 return (u8 *)hdr + 30;
3977 else
3978 return (u8 *)hdr + 24;
3979 }
3980
3981 /**
3982 * ieee80211_get_tid - get qos TID
3983 * @hdr: the frame
3984 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)3985 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3986 {
3987 u8 *qc = ieee80211_get_qos_ctl(hdr);
3988
3989 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3990 }
3991
3992 /**
3993 * ieee80211_get_SA - get pointer to SA
3994 * @hdr: the frame
3995 *
3996 * Given an 802.11 frame, this function returns the offset
3997 * to the source address (SA). It does not verify that the
3998 * header is long enough to contain the address, and the
3999 * header must be long enough to contain the frame control
4000 * field.
4001 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4002 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4003 {
4004 if (ieee80211_has_a4(hdr->frame_control))
4005 return hdr->addr4;
4006 if (ieee80211_has_fromds(hdr->frame_control))
4007 return hdr->addr3;
4008 return hdr->addr2;
4009 }
4010
4011 /**
4012 * ieee80211_get_DA - get pointer to DA
4013 * @hdr: the frame
4014 *
4015 * Given an 802.11 frame, this function returns the offset
4016 * to the destination address (DA). It does not verify that
4017 * the header is long enough to contain the address, and the
4018 * header must be long enough to contain the frame control
4019 * field.
4020 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4021 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4022 {
4023 if (ieee80211_has_tods(hdr->frame_control))
4024 return hdr->addr3;
4025 else
4026 return hdr->addr1;
4027 }
4028
4029 /**
4030 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4031 * @hdr: the frame (buffer must include at least the first octet of payload)
4032 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4033 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4034 {
4035 if (ieee80211_is_disassoc(hdr->frame_control) ||
4036 ieee80211_is_deauth(hdr->frame_control))
4037 return true;
4038
4039 if (ieee80211_is_action(hdr->frame_control)) {
4040 u8 *category;
4041
4042 /*
4043 * Action frames, excluding Public Action frames, are Robust
4044 * Management Frames. However, if we are looking at a Protected
4045 * frame, skip the check since the data may be encrypted and
4046 * the frame has already been found to be a Robust Management
4047 * Frame (by the other end).
4048 */
4049 if (ieee80211_has_protected(hdr->frame_control))
4050 return true;
4051 category = ((u8 *) hdr) + 24;
4052 return *category != WLAN_CATEGORY_PUBLIC &&
4053 *category != WLAN_CATEGORY_HT &&
4054 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4055 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4056 *category != WLAN_CATEGORY_UNPROT_DMG &&
4057 *category != WLAN_CATEGORY_VHT &&
4058 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4059 }
4060
4061 return false;
4062 }
4063
4064 /**
4065 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4066 * @skb: the skb containing the frame, length will be checked
4067 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4068 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4069 {
4070 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4071 return false;
4072 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4073 }
4074
4075 /**
4076 * ieee80211_is_public_action - check if frame is a public action frame
4077 * @hdr: the frame
4078 * @len: length of the frame
4079 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4080 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4081 size_t len)
4082 {
4083 struct ieee80211_mgmt *mgmt = (void *)hdr;
4084
4085 if (len < IEEE80211_MIN_ACTION_SIZE)
4086 return false;
4087 if (!ieee80211_is_action(hdr->frame_control))
4088 return false;
4089 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4090 }
4091
4092 /**
4093 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4094 * privacy action frame
4095 * @hdr: the frame
4096 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4097 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4098 {
4099 struct ieee80211_mgmt *mgmt = (void *)hdr;
4100
4101 if (!ieee80211_is_action(hdr->frame_control) ||
4102 !is_multicast_ether_addr(hdr->addr1))
4103 return false;
4104
4105 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4106 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4107 }
4108
4109 /**
4110 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4111 * privacy action frame
4112 * @skb: the skb containing the frame, length will be checked
4113 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4114 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4115 {
4116 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4117 return false;
4118 return _ieee80211_is_group_privacy_action((void *)skb->data);
4119 }
4120
4121 /**
4122 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4123 * @tu: the TUs
4124 */
ieee80211_tu_to_usec(unsigned long tu)4125 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4126 {
4127 return 1024 * tu;
4128 }
4129
4130 /**
4131 * ieee80211_check_tim - check if AID bit is set in TIM
4132 * @tim: the TIM IE
4133 * @tim_len: length of the TIM IE
4134 * @aid: the AID to look for
4135 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4136 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4137 u8 tim_len, u16 aid)
4138 {
4139 u8 mask;
4140 u8 index, indexn1, indexn2;
4141
4142 if (unlikely(!tim || tim_len < sizeof(*tim)))
4143 return false;
4144
4145 aid &= 0x3fff;
4146 index = aid / 8;
4147 mask = 1 << (aid & 7);
4148
4149 indexn1 = tim->bitmap_ctrl & 0xfe;
4150 indexn2 = tim_len + indexn1 - 4;
4151
4152 if (index < indexn1 || index > indexn2)
4153 return false;
4154
4155 index -= indexn1;
4156
4157 return !!(tim->virtual_map[index] & mask);
4158 }
4159
4160 /**
4161 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4162 * @skb: the skb containing the frame, length will not be checked
4163 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4164 *
4165 * This function assumes the frame is a data frame, and that the network header
4166 * is in the correct place.
4167 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)4168 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4169 {
4170 if (!skb_is_nonlinear(skb) &&
4171 skb->len > (skb_network_offset(skb) + 2)) {
4172 /* Point to where the indication of TDLS should start */
4173 const u8 *tdls_data = skb_network_header(skb) - 2;
4174
4175 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4176 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4177 tdls_data[3] == WLAN_CATEGORY_TDLS)
4178 return tdls_data[4];
4179 }
4180
4181 return -1;
4182 }
4183
4184 /* convert time units */
4185 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4186 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4187
4188 /* convert frequencies */
4189 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4190 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4191 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4192 #define KHZ_F "%d.%03d"
4193
4194 /* convert powers */
4195 #define DBI_TO_MBI(gain) ((gain) * 100)
4196 #define MBI_TO_DBI(gain) ((gain) / 100)
4197 #define DBM_TO_MBM(gain) ((gain) * 100)
4198 #define MBM_TO_DBM(gain) ((gain) / 100)
4199
4200 /**
4201 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4202 * @skb: the skb containing the frame, length will be checked
4203 *
4204 * This function checks if it's either TPC report action frame or Link
4205 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4206 * and 8.5.7.5 accordingly.
4207 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4208 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4209 {
4210 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4211
4212 if (!ieee80211_is_action(mgmt->frame_control))
4213 return false;
4214
4215 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4216 sizeof(mgmt->u.action.u.tpc_report))
4217 return false;
4218
4219 /*
4220 * TPC report - check that:
4221 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4222 * spectrum management action = 3 (TPC/Link Measurement report)
4223 * TPC report EID = 35
4224 * TPC report element length = 2
4225 *
4226 * The spectrum management's tpc_report struct is used here both for
4227 * parsing tpc_report and radio measurement's link measurement report
4228 * frame, since the relevant part is identical in both frames.
4229 */
4230 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4231 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4232 return false;
4233
4234 /* both spectrum mgmt and link measurement have same action code */
4235 if (mgmt->u.action.u.tpc_report.action_code !=
4236 WLAN_ACTION_SPCT_TPC_RPRT)
4237 return false;
4238
4239 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4240 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4241 sizeof(struct ieee80211_tpc_report_ie))
4242 return false;
4243
4244 return true;
4245 }
4246
4247 struct element {
4248 u8 id;
4249 u8 datalen;
4250 u8 data[];
4251 } __packed;
4252
4253 /* element iteration helpers */
4254 #define for_each_element(_elem, _data, _datalen) \
4255 for (_elem = (const struct element *)(_data); \
4256 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4257 (int)sizeof(*_elem) && \
4258 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4259 (int)sizeof(*_elem) + _elem->datalen; \
4260 _elem = (const struct element *)(_elem->data + _elem->datalen))
4261
4262 #define for_each_element_id(element, _id, data, datalen) \
4263 for_each_element(element, data, datalen) \
4264 if (element->id == (_id))
4265
4266 #define for_each_element_extid(element, extid, _data, _datalen) \
4267 for_each_element(element, _data, _datalen) \
4268 if (element->id == WLAN_EID_EXTENSION && \
4269 element->datalen > 0 && \
4270 element->data[0] == (extid))
4271
4272 #define for_each_subelement(sub, element) \
4273 for_each_element(sub, (element)->data, (element)->datalen)
4274
4275 #define for_each_subelement_id(sub, id, element) \
4276 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4277
4278 #define for_each_subelement_extid(sub, extid, element) \
4279 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4280
4281 /**
4282 * for_each_element_completed - determine if element parsing consumed all data
4283 * @element: element pointer after for_each_element() or friends
4284 * @data: same data pointer as passed to for_each_element() or friends
4285 * @datalen: same data length as passed to for_each_element() or friends
4286 *
4287 * This function returns %true if all the data was parsed or considered
4288 * while walking the elements. Only use this if your for_each_element()
4289 * loop cannot be broken out of, otherwise it always returns %false.
4290 *
4291 * If some data was malformed, this returns %false since the last parsed
4292 * element will not fill the whole remaining data.
4293 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4294 static inline bool for_each_element_completed(const struct element *element,
4295 const void *data, size_t datalen)
4296 {
4297 return (const u8 *)element == (const u8 *)data + datalen;
4298 }
4299
4300 /**
4301 * RSNX Capabilities:
4302 * bits 0-3: Field length (n-1)
4303 */
4304 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4305 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4306
4307 /*
4308 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4309 * section 9.4.2.170 and accepted contributions.
4310 */
4311 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4312 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4313 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4314 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4315 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 9
4316 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 13
4317
4318 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4319 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4320 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4321 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4322 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4323 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4324 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4325
4326 struct ieee80211_neighbor_ap_info {
4327 u8 tbtt_info_hdr;
4328 u8 tbtt_info_len;
4329 u8 op_class;
4330 u8 channel;
4331 } __packed;
4332
4333 enum ieee80211_range_params_max_total_ltf {
4334 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4335 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4336 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4337 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4338 };
4339
4340 /* multi-link device */
4341 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4342
4343 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4344 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4345 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4346 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4347 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4348 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4349 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4350
4351 struct ieee80211_multi_link_elem {
4352 __le16 control;
4353 u8 variable[];
4354 } __packed;
4355
4356 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4357 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4358 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4359 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4360 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4361 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4362
4363 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4364 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4365 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4366
4367 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4368 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4369 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4370 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4371 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4372 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4373 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4374 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4375 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4376 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4377 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4378 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4379 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4380 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4381 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4382 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4383 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4384 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4385 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4386 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4387 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4388 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4389 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4390 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4391 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4392 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4393 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4394 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4395 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4396 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4397 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4398 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4399 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4400 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4401
4402 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4403 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4404 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4405 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4406 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4407
4408 struct ieee80211_mle_basic_common_info {
4409 u8 len;
4410 u8 mld_mac_addr[ETH_ALEN];
4411 u8 variable[];
4412 } __packed;
4413
4414 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4415
4416 struct ieee80211_mle_preq_common_info {
4417 u8 len;
4418 u8 variable[];
4419 } __packed;
4420
4421 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4422
4423 /* no fixed fields in RECONF */
4424
4425 struct ieee80211_mle_tdls_common_info {
4426 u8 len;
4427 u8 ap_mld_mac_addr[ETH_ALEN];
4428 } __packed;
4429
4430 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4431
4432 /* no fixed fields in PRIO_ACCESS */
4433
4434 /**
4435 * ieee80211_mle_common_size - check multi-link element common size
4436 * @data: multi-link element, must already be checked for size using
4437 * ieee80211_mle_size_ok()
4438 */
ieee80211_mle_common_size(const u8 * data)4439 static inline u8 ieee80211_mle_common_size(const u8 *data)
4440 {
4441 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4442 u16 control = le16_to_cpu(mle->control);
4443 u8 common = 0;
4444
4445 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4446 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4447 common += sizeof(struct ieee80211_mle_basic_common_info);
4448 break;
4449 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4450 common += sizeof(struct ieee80211_mle_preq_common_info);
4451 break;
4452 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4453 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4454 common += ETH_ALEN;
4455 return common;
4456 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4457 common += sizeof(struct ieee80211_mle_tdls_common_info);
4458 break;
4459 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4460 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4461 common += ETH_ALEN;
4462 return common;
4463 default:
4464 WARN_ON(1);
4465 return 0;
4466 }
4467
4468 return sizeof(*mle) + common + mle->variable[0];
4469 }
4470
4471 /**
4472 * ieee80211_mle_size_ok - validate multi-link element size
4473 * @data: pointer to the element data
4474 * @len: length of the containing element
4475 */
ieee80211_mle_size_ok(const u8 * data,u8 len)4476 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4477 {
4478 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4479 u8 fixed = sizeof(*mle);
4480 u8 common = 0;
4481 bool check_common_len = false;
4482 u16 control;
4483
4484 if (len < fixed)
4485 return false;
4486
4487 control = le16_to_cpu(mle->control);
4488
4489 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4490 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4491 common += sizeof(struct ieee80211_mle_basic_common_info);
4492 check_common_len = true;
4493 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4494 common += 1;
4495 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4496 common += 1;
4497 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4498 common += 2;
4499 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4500 common += 2;
4501 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4502 common += 2;
4503 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4504 common += 1;
4505 break;
4506 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4507 common += sizeof(struct ieee80211_mle_preq_common_info);
4508 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4509 common += 1;
4510 check_common_len = true;
4511 break;
4512 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4513 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4514 common += ETH_ALEN;
4515 break;
4516 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4517 common += sizeof(struct ieee80211_mle_tdls_common_info);
4518 check_common_len = true;
4519 break;
4520 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4521 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4522 common += ETH_ALEN;
4523 break;
4524 default:
4525 /* we don't know this type */
4526 return true;
4527 }
4528
4529 if (len < fixed + common)
4530 return false;
4531
4532 if (!check_common_len)
4533 return true;
4534
4535 /* if present, common length is the first octet there */
4536 return mle->variable[0] >= common;
4537 }
4538
4539 enum ieee80211_mle_subelems {
4540 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
4541 };
4542
4543 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
4544 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
4545 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
4546 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
4547 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
4548 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
4549 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
4550 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
4551 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
4552
4553 struct ieee80211_mle_per_sta_profile {
4554 __le16 control;
4555 u8 sta_info_len;
4556 u8 variable[];
4557 } __packed;
4558
4559 #define for_each_mle_subelement(_elem, _data, _len) \
4560 if (ieee80211_mle_size_ok(_data, _len)) \
4561 for_each_element(_elem, \
4562 _data + ieee80211_mle_common_size(_data),\
4563 _len - ieee80211_mle_common_size(_data))
4564
4565 #endif /* LINUX_IEEE80211_H */
4566