1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2022 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <asm/unaligned.h>
24
25 /*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41 #define FCS_LEN 4
42
43 #define IEEE80211_FCTL_VERS 0x0003
44 #define IEEE80211_FCTL_FTYPE 0x000c
45 #define IEEE80211_FCTL_STYPE 0x00f0
46 #define IEEE80211_FCTL_TODS 0x0100
47 #define IEEE80211_FCTL_FROMDS 0x0200
48 #define IEEE80211_FCTL_MOREFRAGS 0x0400
49 #define IEEE80211_FCTL_RETRY 0x0800
50 #define IEEE80211_FCTL_PM 0x1000
51 #define IEEE80211_FCTL_MOREDATA 0x2000
52 #define IEEE80211_FCTL_PROTECTED 0x4000
53 #define IEEE80211_FCTL_ORDER 0x8000
54 #define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56 #define IEEE80211_SCTL_FRAG 0x000F
57 #define IEEE80211_SCTL_SEQ 0xFFF0
58
59 #define IEEE80211_FTYPE_MGMT 0x0000
60 #define IEEE80211_FTYPE_CTL 0x0004
61 #define IEEE80211_FTYPE_DATA 0x0008
62 #define IEEE80211_FTYPE_EXT 0x000c
63
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
69 #define IEEE80211_STYPE_PROBE_REQ 0x0040
70 #define IEEE80211_STYPE_PROBE_RESP 0x0050
71 #define IEEE80211_STYPE_BEACON 0x0080
72 #define IEEE80211_STYPE_ATIM 0x0090
73 #define IEEE80211_STYPE_DISASSOC 0x00A0
74 #define IEEE80211_STYPE_AUTH 0x00B0
75 #define IEEE80211_STYPE_DEAUTH 0x00C0
76 #define IEEE80211_STYPE_ACTION 0x00D0
77
78 /* control */
79 #define IEEE80211_STYPE_TRIGGER 0x0020
80 #define IEEE80211_STYPE_CTL_EXT 0x0060
81 #define IEEE80211_STYPE_BACK_REQ 0x0080
82 #define IEEE80211_STYPE_BACK 0x0090
83 #define IEEE80211_STYPE_PSPOLL 0x00A0
84 #define IEEE80211_STYPE_RTS 0x00B0
85 #define IEEE80211_STYPE_CTS 0x00C0
86 #define IEEE80211_STYPE_ACK 0x00D0
87 #define IEEE80211_STYPE_CFEND 0x00E0
88 #define IEEE80211_STYPE_CFENDACK 0x00F0
89
90 /* data */
91 #define IEEE80211_STYPE_DATA 0x0000
92 #define IEEE80211_STYPE_DATA_CFACK 0x0010
93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
95 #define IEEE80211_STYPE_NULLFUNC 0x0040
96 #define IEEE80211_STYPE_CFACK 0x0050
97 #define IEEE80211_STYPE_CFPOLL 0x0060
98 #define IEEE80211_STYPE_CFACKPOLL 0x0070
99 #define IEEE80211_STYPE_QOS_DATA 0x0080
100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
107
108 /* extension, added by 802.11ad */
109 #define IEEE80211_STYPE_DMG_BEACON 0x0000
110 #define IEEE80211_STYPE_S1G_BEACON 0x0010
111
112 /* bits unique to S1G beacon */
113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
114
115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
117 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4
118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
119 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5
120
121 #define IEEE80211_NDP_FTYPE_CTS 0
122 #define IEEE80211_NDP_FTYPE_CF_END 0
123 #define IEEE80211_NDP_FTYPE_PS_POLL 1
124 #define IEEE80211_NDP_FTYPE_ACK 2
125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
126 #define IEEE80211_NDP_FTYPE_BA 4
127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
128 #define IEEE80211_NDP_FTYPE_PAGING 6
129 #define IEEE80211_NDP_FTYPE_PREQ 7
130
131 #define SM64(f, v) ((((u64)v) << f##_S) & f)
132
133 /* NDP CMAC frame fields */
134 #define IEEE80211_NDP_FTYPE 0x0000000000000007
135 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000
136
137 /* 1M Probe Request 11ah 9.9.3.1.1 */
138 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
139 #define IEEE80211_NDP_1M_PREQ_ANO_S 3
140 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
141 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4
142 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
145 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
146 /* 2M Probe Request 11ah 9.9.3.1.2 */
147 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
148 #define IEEE80211_NDP_2M_PREQ_ANO_S 3
149 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
150 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4
151 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
153
154 #define IEEE80211_ANO_NETTYPE_WILD 15
155
156 /* bits unique to S1G beacon */
157 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
158
159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
160 #define IEEE80211_CTL_EXT_POLL 0x2000
161 #define IEEE80211_CTL_EXT_SPR 0x3000
162 #define IEEE80211_CTL_EXT_GRANT 0x4000
163 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
164 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
165 #define IEEE80211_CTL_EXT_SSW 0x8000
166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
167 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
168
169
170 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
171 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
172 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
173
174
175 /* PV1 Layout 11ah 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS 0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
179 #define IEEE80211_PV1_FCTL_TODS 0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181 #define IEEE80211_PV1_FCTL_PM 0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184 #define IEEE80211_PV1_FCTL_END_SP 0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
ieee80211_sn_less(u16 sn1,u16 sn2)189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190 {
191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192 }
193
ieee80211_sn_add(u16 sn1,u16 sn2)194 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
195 {
196 return (sn1 + sn2) & IEEE80211_SN_MASK;
197 }
198
ieee80211_sn_inc(u16 sn)199 static inline u16 ieee80211_sn_inc(u16 sn)
200 {
201 return ieee80211_sn_add(sn, 1);
202 }
203
ieee80211_sn_sub(u16 sn1,u16 sn2)204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
205 {
206 return (sn1 - sn2) & IEEE80211_SN_MASK;
207 }
208
209 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
210 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
211
212 /* miscellaneous IEEE 802.11 constants */
213 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
214 #define IEEE80211_MAX_RTS_THRESHOLD 2353
215 #define IEEE80211_MAX_AID 2007
216 #define IEEE80211_MAX_AID_S1G 8191
217 #define IEEE80211_MAX_TIM_LEN 251
218 #define IEEE80211_MAX_MESH_PEERINGS 63
219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
220 6.2.1.1.2.
221
222 802.11e clarifies the figure in section 7.1.2. The frame body is
223 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
224 #define IEEE80211_MAX_DATA_LEN 2304
225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
226 * to 7920 bytes, see 8.2.3 General frame format
227 */
228 #define IEEE80211_MAX_DATA_LEN_DMG 7920
229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
230 #define IEEE80211_MAX_FRAME_LEN 2352
231
232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
233 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
234
235 /* Maximal size of an A-MSDU */
236 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
237 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
238
239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
242
243 #define IEEE80211_MAX_SSID_LEN 32
244
245 #define IEEE80211_MAX_MESH_ID_LEN 32
246
247 #define IEEE80211_FIRST_TSPEC_TSID 8
248 #define IEEE80211_NUM_TIDS 16
249
250 /* number of user priorities 802.11 uses */
251 #define IEEE80211_NUM_UPS 8
252 /* number of ACs */
253 #define IEEE80211_NUM_ACS 4
254
255 #define IEEE80211_QOS_CTL_LEN 2
256 /* 1d tag mask */
257 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
258 /* TID mask */
259 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
260 /* EOSP */
261 #define IEEE80211_QOS_CTL_EOSP 0x0010
262 /* ACK policy */
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
268 /* A-MSDU 802.11n */
269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
270 /* Mesh Control 802.11s */
271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
272
273 /* Mesh Power Save Level */
274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
275 /* Mesh Receiver Service Period Initiated */
276 #define IEEE80211_QOS_CTL_RSPI 0x0400
277
278 /* U-APSD queue for WMM IEs sent by AP */
279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
281
282 /* U-APSD queues for WMM IEs sent by STA */
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
288
289 /* U-APSD max SP length for WMM IEs sent by STA */
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
296
297 #define IEEE80211_HT_CTL_LEN 4
298
299 /* trigger type within common_info of trigger frame */
300 #define IEEE80211_TRIGGER_TYPE_MASK 0xf
301 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0
302 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1
303 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
304 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
305 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4
306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
307 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6
308 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7
309
310 struct ieee80211_hdr {
311 __le16 frame_control;
312 __le16 duration_id;
313 struct_group(addrs,
314 u8 addr1[ETH_ALEN];
315 u8 addr2[ETH_ALEN];
316 u8 addr3[ETH_ALEN];
317 );
318 __le16 seq_ctrl;
319 u8 addr4[ETH_ALEN];
320 } __packed __aligned(2);
321
322 struct ieee80211_hdr_3addr {
323 __le16 frame_control;
324 __le16 duration_id;
325 u8 addr1[ETH_ALEN];
326 u8 addr2[ETH_ALEN];
327 u8 addr3[ETH_ALEN];
328 __le16 seq_ctrl;
329 } __packed __aligned(2);
330
331 struct ieee80211_qos_hdr {
332 __le16 frame_control;
333 __le16 duration_id;
334 u8 addr1[ETH_ALEN];
335 u8 addr2[ETH_ALEN];
336 u8 addr3[ETH_ALEN];
337 __le16 seq_ctrl;
338 __le16 qos_ctrl;
339 } __packed __aligned(2);
340
341 struct ieee80211_trigger {
342 __le16 frame_control;
343 __le16 duration;
344 u8 ra[ETH_ALEN];
345 u8 ta[ETH_ALEN];
346 __le64 common_info;
347 u8 variable[];
348 } __packed __aligned(2);
349
350 /**
351 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
352 * @fc: frame control bytes in little-endian byteorder
353 */
ieee80211_has_tods(__le16 fc)354 static inline bool ieee80211_has_tods(__le16 fc)
355 {
356 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
357 }
358
359 /**
360 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
361 * @fc: frame control bytes in little-endian byteorder
362 */
ieee80211_has_fromds(__le16 fc)363 static inline bool ieee80211_has_fromds(__le16 fc)
364 {
365 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
366 }
367
368 /**
369 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
370 * @fc: frame control bytes in little-endian byteorder
371 */
ieee80211_has_a4(__le16 fc)372 static inline bool ieee80211_has_a4(__le16 fc)
373 {
374 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
375 return (fc & tmp) == tmp;
376 }
377
378 /**
379 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
380 * @fc: frame control bytes in little-endian byteorder
381 */
ieee80211_has_morefrags(__le16 fc)382 static inline bool ieee80211_has_morefrags(__le16 fc)
383 {
384 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
385 }
386
387 /**
388 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
389 * @fc: frame control bytes in little-endian byteorder
390 */
ieee80211_has_retry(__le16 fc)391 static inline bool ieee80211_has_retry(__le16 fc)
392 {
393 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
394 }
395
396 /**
397 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
398 * @fc: frame control bytes in little-endian byteorder
399 */
ieee80211_has_pm(__le16 fc)400 static inline bool ieee80211_has_pm(__le16 fc)
401 {
402 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
403 }
404
405 /**
406 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
407 * @fc: frame control bytes in little-endian byteorder
408 */
ieee80211_has_moredata(__le16 fc)409 static inline bool ieee80211_has_moredata(__le16 fc)
410 {
411 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
412 }
413
414 /**
415 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
416 * @fc: frame control bytes in little-endian byteorder
417 */
ieee80211_has_protected(__le16 fc)418 static inline bool ieee80211_has_protected(__le16 fc)
419 {
420 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
421 }
422
423 /**
424 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
425 * @fc: frame control bytes in little-endian byteorder
426 */
ieee80211_has_order(__le16 fc)427 static inline bool ieee80211_has_order(__le16 fc)
428 {
429 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
430 }
431
432 /**
433 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
434 * @fc: frame control bytes in little-endian byteorder
435 */
ieee80211_is_mgmt(__le16 fc)436 static inline bool ieee80211_is_mgmt(__le16 fc)
437 {
438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
439 cpu_to_le16(IEEE80211_FTYPE_MGMT);
440 }
441
442 /**
443 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
444 * @fc: frame control bytes in little-endian byteorder
445 */
ieee80211_is_ctl(__le16 fc)446 static inline bool ieee80211_is_ctl(__le16 fc)
447 {
448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
449 cpu_to_le16(IEEE80211_FTYPE_CTL);
450 }
451
452 /**
453 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
454 * @fc: frame control bytes in little-endian byteorder
455 */
ieee80211_is_data(__le16 fc)456 static inline bool ieee80211_is_data(__le16 fc)
457 {
458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
459 cpu_to_le16(IEEE80211_FTYPE_DATA);
460 }
461
462 /**
463 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
464 * @fc: frame control bytes in little-endian byteorder
465 */
ieee80211_is_ext(__le16 fc)466 static inline bool ieee80211_is_ext(__le16 fc)
467 {
468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
469 cpu_to_le16(IEEE80211_FTYPE_EXT);
470 }
471
472
473 /**
474 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
475 * @fc: frame control bytes in little-endian byteorder
476 */
ieee80211_is_data_qos(__le16 fc)477 static inline bool ieee80211_is_data_qos(__le16 fc)
478 {
479 /*
480 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
481 * to check the one bit
482 */
483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
484 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
485 }
486
487 /**
488 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
489 * @fc: frame control bytes in little-endian byteorder
490 */
ieee80211_is_data_present(__le16 fc)491 static inline bool ieee80211_is_data_present(__le16 fc)
492 {
493 /*
494 * mask with 0x40 and test that that bit is clear to only return true
495 * for the data-containing substypes.
496 */
497 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
498 cpu_to_le16(IEEE80211_FTYPE_DATA);
499 }
500
501 /**
502 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
503 * @fc: frame control bytes in little-endian byteorder
504 */
ieee80211_is_assoc_req(__le16 fc)505 static inline bool ieee80211_is_assoc_req(__le16 fc)
506 {
507 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
508 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
509 }
510
511 /**
512 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
513 * @fc: frame control bytes in little-endian byteorder
514 */
ieee80211_is_assoc_resp(__le16 fc)515 static inline bool ieee80211_is_assoc_resp(__le16 fc)
516 {
517 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
518 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
519 }
520
521 /**
522 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
523 * @fc: frame control bytes in little-endian byteorder
524 */
ieee80211_is_reassoc_req(__le16 fc)525 static inline bool ieee80211_is_reassoc_req(__le16 fc)
526 {
527 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
528 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
529 }
530
531 /**
532 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
533 * @fc: frame control bytes in little-endian byteorder
534 */
ieee80211_is_reassoc_resp(__le16 fc)535 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
536 {
537 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
538 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
539 }
540
541 /**
542 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
543 * @fc: frame control bytes in little-endian byteorder
544 */
ieee80211_is_probe_req(__le16 fc)545 static inline bool ieee80211_is_probe_req(__le16 fc)
546 {
547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
549 }
550
551 /**
552 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
553 * @fc: frame control bytes in little-endian byteorder
554 */
ieee80211_is_probe_resp(__le16 fc)555 static inline bool ieee80211_is_probe_resp(__le16 fc)
556 {
557 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
558 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
559 }
560
561 /**
562 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
563 * @fc: frame control bytes in little-endian byteorder
564 */
ieee80211_is_beacon(__le16 fc)565 static inline bool ieee80211_is_beacon(__le16 fc)
566 {
567 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
568 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
569 }
570
571 /**
572 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
573 * IEEE80211_STYPE_S1G_BEACON
574 * @fc: frame control bytes in little-endian byteorder
575 */
ieee80211_is_s1g_beacon(__le16 fc)576 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
577 {
578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
579 IEEE80211_FCTL_STYPE)) ==
580 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
581 }
582
583 /**
584 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
585 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
586 * @fc: frame control bytes in little-endian byteorder
587 */
ieee80211_next_tbtt_present(__le16 fc)588 static inline bool ieee80211_next_tbtt_present(__le16 fc)
589 {
590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
592 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
593 }
594
595 /**
596 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
597 * true for S1G beacons when they're short.
598 * @fc: frame control bytes in little-endian byteorder
599 */
ieee80211_is_s1g_short_beacon(__le16 fc)600 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
601 {
602 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
603 }
604
605 /**
606 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
607 * @fc: frame control bytes in little-endian byteorder
608 */
ieee80211_is_atim(__le16 fc)609 static inline bool ieee80211_is_atim(__le16 fc)
610 {
611 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
612 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
613 }
614
615 /**
616 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
617 * @fc: frame control bytes in little-endian byteorder
618 */
ieee80211_is_disassoc(__le16 fc)619 static inline bool ieee80211_is_disassoc(__le16 fc)
620 {
621 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
622 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
623 }
624
625 /**
626 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
627 * @fc: frame control bytes in little-endian byteorder
628 */
ieee80211_is_auth(__le16 fc)629 static inline bool ieee80211_is_auth(__le16 fc)
630 {
631 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
632 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
633 }
634
635 /**
636 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
637 * @fc: frame control bytes in little-endian byteorder
638 */
ieee80211_is_deauth(__le16 fc)639 static inline bool ieee80211_is_deauth(__le16 fc)
640 {
641 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
642 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
643 }
644
645 /**
646 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
647 * @fc: frame control bytes in little-endian byteorder
648 */
ieee80211_is_action(__le16 fc)649 static inline bool ieee80211_is_action(__le16 fc)
650 {
651 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
652 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
653 }
654
655 /**
656 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
657 * @fc: frame control bytes in little-endian byteorder
658 */
ieee80211_is_back_req(__le16 fc)659 static inline bool ieee80211_is_back_req(__le16 fc)
660 {
661 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
662 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
663 }
664
665 /**
666 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
667 * @fc: frame control bytes in little-endian byteorder
668 */
ieee80211_is_back(__le16 fc)669 static inline bool ieee80211_is_back(__le16 fc)
670 {
671 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
672 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
673 }
674
675 /**
676 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
677 * @fc: frame control bytes in little-endian byteorder
678 */
ieee80211_is_pspoll(__le16 fc)679 static inline bool ieee80211_is_pspoll(__le16 fc)
680 {
681 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
682 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
683 }
684
685 /**
686 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
687 * @fc: frame control bytes in little-endian byteorder
688 */
ieee80211_is_rts(__le16 fc)689 static inline bool ieee80211_is_rts(__le16 fc)
690 {
691 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
692 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
693 }
694
695 /**
696 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
697 * @fc: frame control bytes in little-endian byteorder
698 */
ieee80211_is_cts(__le16 fc)699 static inline bool ieee80211_is_cts(__le16 fc)
700 {
701 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
702 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
703 }
704
705 /**
706 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
707 * @fc: frame control bytes in little-endian byteorder
708 */
ieee80211_is_ack(__le16 fc)709 static inline bool ieee80211_is_ack(__le16 fc)
710 {
711 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
712 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
713 }
714
715 /**
716 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
717 * @fc: frame control bytes in little-endian byteorder
718 */
ieee80211_is_cfend(__le16 fc)719 static inline bool ieee80211_is_cfend(__le16 fc)
720 {
721 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
722 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
723 }
724
725 /**
726 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
727 * @fc: frame control bytes in little-endian byteorder
728 */
ieee80211_is_cfendack(__le16 fc)729 static inline bool ieee80211_is_cfendack(__le16 fc)
730 {
731 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
732 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
733 }
734
735 /**
736 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
737 * @fc: frame control bytes in little-endian byteorder
738 */
ieee80211_is_nullfunc(__le16 fc)739 static inline bool ieee80211_is_nullfunc(__le16 fc)
740 {
741 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
742 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
743 }
744
745 /**
746 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
747 * @fc: frame control bytes in little-endian byteorder
748 */
ieee80211_is_qos_nullfunc(__le16 fc)749 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
750 {
751 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
752 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
753 }
754
755 /**
756 * ieee80211_is_trigger - check if frame is trigger frame
757 * @fc: frame control field in little-endian byteorder
758 */
ieee80211_is_trigger(__le16 fc)759 static inline bool ieee80211_is_trigger(__le16 fc)
760 {
761 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
762 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
763 }
764
765 /**
766 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
767 * @fc: frame control bytes in little-endian byteorder
768 */
ieee80211_is_any_nullfunc(__le16 fc)769 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
770 {
771 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
772 }
773
774 /**
775 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
776 * @fc: frame control field in little-endian byteorder
777 */
ieee80211_is_bufferable_mmpdu(__le16 fc)778 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
779 {
780 /* IEEE 802.11-2012, definition of "bufferable management frame";
781 * note that this ignores the IBSS special case. */
782 return ieee80211_is_mgmt(fc) &&
783 (ieee80211_is_action(fc) ||
784 ieee80211_is_disassoc(fc) ||
785 ieee80211_is_deauth(fc));
786 }
787
788 /**
789 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
790 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
791 */
ieee80211_is_first_frag(__le16 seq_ctrl)792 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
793 {
794 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
795 }
796
797 /**
798 * ieee80211_is_frag - check if a frame is a fragment
799 * @hdr: 802.11 header of the frame
800 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)801 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
802 {
803 return ieee80211_has_morefrags(hdr->frame_control) ||
804 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
805 }
806
807 struct ieee80211s_hdr {
808 u8 flags;
809 u8 ttl;
810 __le32 seqnum;
811 u8 eaddr1[ETH_ALEN];
812 u8 eaddr2[ETH_ALEN];
813 } __packed __aligned(2);
814
815 /* Mesh flags */
816 #define MESH_FLAGS_AE_A4 0x1
817 #define MESH_FLAGS_AE_A5_A6 0x2
818 #define MESH_FLAGS_AE 0x3
819 #define MESH_FLAGS_PS_DEEP 0x4
820
821 /**
822 * enum ieee80211_preq_flags - mesh PREQ element flags
823 *
824 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
825 */
826 enum ieee80211_preq_flags {
827 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
828 };
829
830 /**
831 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
832 *
833 * @IEEE80211_PREQ_TO_FLAG: target only subfield
834 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
835 */
836 enum ieee80211_preq_target_flags {
837 IEEE80211_PREQ_TO_FLAG = 1<<0,
838 IEEE80211_PREQ_USN_FLAG = 1<<2,
839 };
840
841 /**
842 * struct ieee80211_quiet_ie
843 *
844 * This structure refers to "Quiet information element"
845 */
846 struct ieee80211_quiet_ie {
847 u8 count;
848 u8 period;
849 __le16 duration;
850 __le16 offset;
851 } __packed;
852
853 /**
854 * struct ieee80211_msrment_ie
855 *
856 * This structure refers to "Measurement Request/Report information element"
857 */
858 struct ieee80211_msrment_ie {
859 u8 token;
860 u8 mode;
861 u8 type;
862 u8 request[];
863 } __packed;
864
865 /**
866 * struct ieee80211_channel_sw_ie
867 *
868 * This structure refers to "Channel Switch Announcement information element"
869 */
870 struct ieee80211_channel_sw_ie {
871 u8 mode;
872 u8 new_ch_num;
873 u8 count;
874 } __packed;
875
876 /**
877 * struct ieee80211_ext_chansw_ie
878 *
879 * This structure represents the "Extended Channel Switch Announcement element"
880 */
881 struct ieee80211_ext_chansw_ie {
882 u8 mode;
883 u8 new_operating_class;
884 u8 new_ch_num;
885 u8 count;
886 } __packed;
887
888 /**
889 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
890 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
891 * values here
892 * This structure represents the "Secondary Channel Offset element"
893 */
894 struct ieee80211_sec_chan_offs_ie {
895 u8 sec_chan_offs;
896 } __packed;
897
898 /**
899 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
900 *
901 * This structure represents the "Mesh Channel Switch Paramters element"
902 */
903 struct ieee80211_mesh_chansw_params_ie {
904 u8 mesh_ttl;
905 u8 mesh_flags;
906 __le16 mesh_reason;
907 __le16 mesh_pre_value;
908 } __packed;
909
910 /**
911 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
912 */
913 struct ieee80211_wide_bw_chansw_ie {
914 u8 new_channel_width;
915 u8 new_center_freq_seg0, new_center_freq_seg1;
916 } __packed;
917
918 /**
919 * struct ieee80211_tim
920 *
921 * This structure refers to "Traffic Indication Map information element"
922 */
923 struct ieee80211_tim_ie {
924 u8 dtim_count;
925 u8 dtim_period;
926 u8 bitmap_ctrl;
927 /* variable size: 1 - 251 bytes */
928 u8 virtual_map[1];
929 } __packed;
930
931 /**
932 * struct ieee80211_meshconf_ie
933 *
934 * This structure refers to "Mesh Configuration information element"
935 */
936 struct ieee80211_meshconf_ie {
937 u8 meshconf_psel;
938 u8 meshconf_pmetric;
939 u8 meshconf_congest;
940 u8 meshconf_synch;
941 u8 meshconf_auth;
942 u8 meshconf_form;
943 u8 meshconf_cap;
944 } __packed;
945
946 /**
947 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
948 *
949 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
950 * additional mesh peerings with other mesh STAs
951 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
952 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
953 * is ongoing
954 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
955 * neighbors in deep sleep mode
956 */
957 enum mesh_config_capab_flags {
958 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
959 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
960 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
961 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
962 };
963
964 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
965
966 /**
967 * mesh channel switch parameters element's flag indicator
968 *
969 */
970 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
971 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
972 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
973
974 /**
975 * struct ieee80211_rann_ie
976 *
977 * This structure refers to "Root Announcement information element"
978 */
979 struct ieee80211_rann_ie {
980 u8 rann_flags;
981 u8 rann_hopcount;
982 u8 rann_ttl;
983 u8 rann_addr[ETH_ALEN];
984 __le32 rann_seq;
985 __le32 rann_interval;
986 __le32 rann_metric;
987 } __packed;
988
989 enum ieee80211_rann_flags {
990 RANN_FLAG_IS_GATE = 1 << 0,
991 };
992
993 enum ieee80211_ht_chanwidth_values {
994 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
995 IEEE80211_HT_CHANWIDTH_ANY = 1,
996 };
997
998 /**
999 * enum ieee80211_opmode_bits - VHT operating mode field bits
1000 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1001 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1002 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1003 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1004 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1005 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1006 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1007 * (the NSS value is the value of this field + 1)
1008 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1009 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1010 * using a beamforming steering matrix
1011 */
1012 enum ieee80211_vht_opmode_bits {
1013 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1014 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1015 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1016 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1017 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1018 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1019 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1020 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1021 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1022 };
1023
1024 /**
1025 * enum ieee80211_s1g_chanwidth
1026 * These are defined in IEEE802.11-2016ah Table 10-20
1027 * as BSS Channel Width
1028 *
1029 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1030 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1031 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1032 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1033 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1034 */
1035 enum ieee80211_s1g_chanwidth {
1036 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1037 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1038 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1039 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1040 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1041 };
1042
1043 #define WLAN_SA_QUERY_TR_ID_LEN 2
1044 #define WLAN_MEMBERSHIP_LEN 8
1045 #define WLAN_USER_POSITION_LEN 16
1046
1047 /**
1048 * struct ieee80211_tpc_report_ie
1049 *
1050 * This structure refers to "TPC Report element"
1051 */
1052 struct ieee80211_tpc_report_ie {
1053 u8 tx_power;
1054 u8 link_margin;
1055 } __packed;
1056
1057 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1058 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1059 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1060 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1061 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1062
1063 struct ieee80211_addba_ext_ie {
1064 u8 data;
1065 } __packed;
1066
1067 /**
1068 * struct ieee80211_s1g_bcn_compat_ie
1069 *
1070 * S1G Beacon Compatibility element
1071 */
1072 struct ieee80211_s1g_bcn_compat_ie {
1073 __le16 compat_info;
1074 __le16 beacon_int;
1075 __le32 tsf_completion;
1076 } __packed;
1077
1078 /**
1079 * struct ieee80211_s1g_oper_ie
1080 *
1081 * S1G Operation element
1082 */
1083 struct ieee80211_s1g_oper_ie {
1084 u8 ch_width;
1085 u8 oper_class;
1086 u8 primary_ch;
1087 u8 oper_ch;
1088 __le16 basic_mcs_nss;
1089 } __packed;
1090
1091 /**
1092 * struct ieee80211_aid_response_ie
1093 *
1094 * AID Response element
1095 */
1096 struct ieee80211_aid_response_ie {
1097 __le16 aid;
1098 u8 switch_count;
1099 __le16 response_int;
1100 } __packed;
1101
1102 struct ieee80211_s1g_cap {
1103 u8 capab_info[10];
1104 u8 supp_mcs_nss[5];
1105 } __packed;
1106
1107 struct ieee80211_ext {
1108 __le16 frame_control;
1109 __le16 duration;
1110 union {
1111 struct {
1112 u8 sa[ETH_ALEN];
1113 __le32 timestamp;
1114 u8 change_seq;
1115 u8 variable[0];
1116 } __packed s1g_beacon;
1117 struct {
1118 u8 sa[ETH_ALEN];
1119 __le32 timestamp;
1120 u8 change_seq;
1121 u8 next_tbtt[3];
1122 u8 variable[0];
1123 } __packed s1g_short_beacon;
1124 } u;
1125 } __packed __aligned(2);
1126
1127 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1128 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1129 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1130 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1131 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1132
1133 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1134 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1135 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1136 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1137 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1138 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1139 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1140 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1141
1142 enum ieee80211_twt_setup_cmd {
1143 TWT_SETUP_CMD_REQUEST,
1144 TWT_SETUP_CMD_SUGGEST,
1145 TWT_SETUP_CMD_DEMAND,
1146 TWT_SETUP_CMD_GROUPING,
1147 TWT_SETUP_CMD_ACCEPT,
1148 TWT_SETUP_CMD_ALTERNATE,
1149 TWT_SETUP_CMD_DICTATE,
1150 TWT_SETUP_CMD_REJECT,
1151 };
1152
1153 struct ieee80211_twt_params {
1154 __le16 req_type;
1155 __le64 twt;
1156 u8 min_twt_dur;
1157 __le16 mantissa;
1158 u8 channel;
1159 } __packed;
1160
1161 struct ieee80211_twt_setup {
1162 u8 dialog_token;
1163 u8 element_id;
1164 u8 length;
1165 u8 control;
1166 u8 params[];
1167 } __packed;
1168
1169 struct ieee80211_mgmt {
1170 __le16 frame_control;
1171 __le16 duration;
1172 u8 da[ETH_ALEN];
1173 u8 sa[ETH_ALEN];
1174 u8 bssid[ETH_ALEN];
1175 __le16 seq_ctrl;
1176 union {
1177 struct {
1178 __le16 auth_alg;
1179 __le16 auth_transaction;
1180 __le16 status_code;
1181 /* possibly followed by Challenge text */
1182 u8 variable[];
1183 } __packed auth;
1184 struct {
1185 __le16 reason_code;
1186 } __packed deauth;
1187 struct {
1188 __le16 capab_info;
1189 __le16 listen_interval;
1190 /* followed by SSID and Supported rates */
1191 u8 variable[];
1192 } __packed assoc_req;
1193 struct {
1194 __le16 capab_info;
1195 __le16 status_code;
1196 __le16 aid;
1197 /* followed by Supported rates */
1198 u8 variable[];
1199 } __packed assoc_resp, reassoc_resp;
1200 struct {
1201 __le16 capab_info;
1202 __le16 status_code;
1203 u8 variable[];
1204 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1205 struct {
1206 __le16 capab_info;
1207 __le16 listen_interval;
1208 u8 current_ap[ETH_ALEN];
1209 /* followed by SSID and Supported rates */
1210 u8 variable[];
1211 } __packed reassoc_req;
1212 struct {
1213 __le16 reason_code;
1214 } __packed disassoc;
1215 struct {
1216 __le64 timestamp;
1217 __le16 beacon_int;
1218 __le16 capab_info;
1219 /* followed by some of SSID, Supported rates,
1220 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1221 u8 variable[];
1222 } __packed beacon;
1223 struct {
1224 /* only variable items: SSID, Supported rates */
1225 DECLARE_FLEX_ARRAY(u8, variable);
1226 } __packed probe_req;
1227 struct {
1228 __le64 timestamp;
1229 __le16 beacon_int;
1230 __le16 capab_info;
1231 /* followed by some of SSID, Supported rates,
1232 * FH Params, DS Params, CF Params, IBSS Params */
1233 u8 variable[];
1234 } __packed probe_resp;
1235 struct {
1236 u8 category;
1237 union {
1238 struct {
1239 u8 action_code;
1240 u8 dialog_token;
1241 u8 status_code;
1242 u8 variable[];
1243 } __packed wme_action;
1244 struct{
1245 u8 action_code;
1246 u8 variable[];
1247 } __packed chan_switch;
1248 struct{
1249 u8 action_code;
1250 struct ieee80211_ext_chansw_ie data;
1251 u8 variable[];
1252 } __packed ext_chan_switch;
1253 struct{
1254 u8 action_code;
1255 u8 dialog_token;
1256 u8 element_id;
1257 u8 length;
1258 struct ieee80211_msrment_ie msr_elem;
1259 } __packed measurement;
1260 struct{
1261 u8 action_code;
1262 u8 dialog_token;
1263 __le16 capab;
1264 __le16 timeout;
1265 __le16 start_seq_num;
1266 /* followed by BA Extension */
1267 u8 variable[];
1268 } __packed addba_req;
1269 struct{
1270 u8 action_code;
1271 u8 dialog_token;
1272 __le16 status;
1273 __le16 capab;
1274 __le16 timeout;
1275 } __packed addba_resp;
1276 struct{
1277 u8 action_code;
1278 __le16 params;
1279 __le16 reason_code;
1280 } __packed delba;
1281 struct {
1282 u8 action_code;
1283 u8 variable[];
1284 } __packed self_prot;
1285 struct{
1286 u8 action_code;
1287 u8 variable[];
1288 } __packed mesh_action;
1289 struct {
1290 u8 action;
1291 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1292 } __packed sa_query;
1293 struct {
1294 u8 action;
1295 u8 smps_control;
1296 } __packed ht_smps;
1297 struct {
1298 u8 action_code;
1299 u8 chanwidth;
1300 } __packed ht_notify_cw;
1301 struct {
1302 u8 action_code;
1303 u8 dialog_token;
1304 __le16 capability;
1305 u8 variable[0];
1306 } __packed tdls_discover_resp;
1307 struct {
1308 u8 action_code;
1309 u8 operating_mode;
1310 } __packed vht_opmode_notif;
1311 struct {
1312 u8 action_code;
1313 u8 membership[WLAN_MEMBERSHIP_LEN];
1314 u8 position[WLAN_USER_POSITION_LEN];
1315 } __packed vht_group_notif;
1316 struct {
1317 u8 action_code;
1318 u8 dialog_token;
1319 u8 tpc_elem_id;
1320 u8 tpc_elem_length;
1321 struct ieee80211_tpc_report_ie tpc;
1322 } __packed tpc_report;
1323 struct {
1324 u8 action_code;
1325 u8 dialog_token;
1326 u8 follow_up;
1327 u8 tod[6];
1328 u8 toa[6];
1329 __le16 tod_error;
1330 __le16 toa_error;
1331 u8 variable[];
1332 } __packed ftm;
1333 struct {
1334 u8 action_code;
1335 u8 variable[];
1336 } __packed s1g;
1337 struct {
1338 u8 action_code;
1339 u8 dialog_token;
1340 u8 follow_up;
1341 u32 tod;
1342 u32 toa;
1343 u8 max_tod_error;
1344 u8 max_toa_error;
1345 } __packed wnm_timing_msr;
1346 } u;
1347 } __packed action;
1348 } u;
1349 } __packed __aligned(2);
1350
1351 /* Supported rates membership selectors */
1352 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1353 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1354 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1355 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1356
1357 /* mgmt header + 1 byte category code */
1358 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1359
1360
1361 /* Management MIC information element (IEEE 802.11w) */
1362 struct ieee80211_mmie {
1363 u8 element_id;
1364 u8 length;
1365 __le16 key_id;
1366 u8 sequence_number[6];
1367 u8 mic[8];
1368 } __packed;
1369
1370 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1371 struct ieee80211_mmie_16 {
1372 u8 element_id;
1373 u8 length;
1374 __le16 key_id;
1375 u8 sequence_number[6];
1376 u8 mic[16];
1377 } __packed;
1378
1379 struct ieee80211_vendor_ie {
1380 u8 element_id;
1381 u8 len;
1382 u8 oui[3];
1383 u8 oui_type;
1384 } __packed;
1385
1386 struct ieee80211_wmm_ac_param {
1387 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1388 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1389 __le16 txop_limit;
1390 } __packed;
1391
1392 struct ieee80211_wmm_param_ie {
1393 u8 element_id; /* Element ID: 221 (0xdd); */
1394 u8 len; /* Length: 24 */
1395 /* required fields for WMM version 1 */
1396 u8 oui[3]; /* 00:50:f2 */
1397 u8 oui_type; /* 2 */
1398 u8 oui_subtype; /* 1 */
1399 u8 version; /* 1 for WMM version 1.0 */
1400 u8 qos_info; /* AP/STA specific QoS info */
1401 u8 reserved; /* 0 */
1402 /* AC_BE, AC_BK, AC_VI, AC_VO */
1403 struct ieee80211_wmm_ac_param ac[4];
1404 } __packed;
1405
1406 /* Control frames */
1407 struct ieee80211_rts {
1408 __le16 frame_control;
1409 __le16 duration;
1410 u8 ra[ETH_ALEN];
1411 u8 ta[ETH_ALEN];
1412 } __packed __aligned(2);
1413
1414 struct ieee80211_cts {
1415 __le16 frame_control;
1416 __le16 duration;
1417 u8 ra[ETH_ALEN];
1418 } __packed __aligned(2);
1419
1420 struct ieee80211_pspoll {
1421 __le16 frame_control;
1422 __le16 aid;
1423 u8 bssid[ETH_ALEN];
1424 u8 ta[ETH_ALEN];
1425 } __packed __aligned(2);
1426
1427 /* TDLS */
1428
1429 /* Channel switch timing */
1430 struct ieee80211_ch_switch_timing {
1431 __le16 switch_time;
1432 __le16 switch_timeout;
1433 } __packed;
1434
1435 /* Link-id information element */
1436 struct ieee80211_tdls_lnkie {
1437 u8 ie_type; /* Link Identifier IE */
1438 u8 ie_len;
1439 u8 bssid[ETH_ALEN];
1440 u8 init_sta[ETH_ALEN];
1441 u8 resp_sta[ETH_ALEN];
1442 } __packed;
1443
1444 struct ieee80211_tdls_data {
1445 u8 da[ETH_ALEN];
1446 u8 sa[ETH_ALEN];
1447 __be16 ether_type;
1448 u8 payload_type;
1449 u8 category;
1450 u8 action_code;
1451 union {
1452 struct {
1453 u8 dialog_token;
1454 __le16 capability;
1455 u8 variable[0];
1456 } __packed setup_req;
1457 struct {
1458 __le16 status_code;
1459 u8 dialog_token;
1460 __le16 capability;
1461 u8 variable[0];
1462 } __packed setup_resp;
1463 struct {
1464 __le16 status_code;
1465 u8 dialog_token;
1466 u8 variable[0];
1467 } __packed setup_cfm;
1468 struct {
1469 __le16 reason_code;
1470 u8 variable[0];
1471 } __packed teardown;
1472 struct {
1473 u8 dialog_token;
1474 u8 variable[0];
1475 } __packed discover_req;
1476 struct {
1477 u8 target_channel;
1478 u8 oper_class;
1479 u8 variable[0];
1480 } __packed chan_switch_req;
1481 struct {
1482 __le16 status_code;
1483 u8 variable[0];
1484 } __packed chan_switch_resp;
1485 } u;
1486 } __packed;
1487
1488 /*
1489 * Peer-to-Peer IE attribute related definitions.
1490 */
1491 /**
1492 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1493 */
1494 enum ieee80211_p2p_attr_id {
1495 IEEE80211_P2P_ATTR_STATUS = 0,
1496 IEEE80211_P2P_ATTR_MINOR_REASON,
1497 IEEE80211_P2P_ATTR_CAPABILITY,
1498 IEEE80211_P2P_ATTR_DEVICE_ID,
1499 IEEE80211_P2P_ATTR_GO_INTENT,
1500 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1501 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1502 IEEE80211_P2P_ATTR_GROUP_BSSID,
1503 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1504 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1505 IEEE80211_P2P_ATTR_MANAGABILITY,
1506 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1507 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1508 IEEE80211_P2P_ATTR_DEVICE_INFO,
1509 IEEE80211_P2P_ATTR_GROUP_INFO,
1510 IEEE80211_P2P_ATTR_GROUP_ID,
1511 IEEE80211_P2P_ATTR_INTERFACE,
1512 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1513 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1514 /* 19 - 220: Reserved */
1515 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1516
1517 IEEE80211_P2P_ATTR_MAX
1518 };
1519
1520 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1521 /* Typical max value used here */
1522 #define IEEE80211_P2P_NOA_DESC_MAX 4
1523
1524 struct ieee80211_p2p_noa_desc {
1525 u8 count;
1526 __le32 duration;
1527 __le32 interval;
1528 __le32 start_time;
1529 } __packed;
1530
1531 struct ieee80211_p2p_noa_attr {
1532 u8 index;
1533 u8 oppps_ctwindow;
1534 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1535 } __packed;
1536
1537 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1538 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1539
1540 /**
1541 * struct ieee80211_bar - HT Block Ack Request
1542 *
1543 * This structure refers to "HT BlockAckReq" as
1544 * described in 802.11n draft section 7.2.1.7.1
1545 */
1546 struct ieee80211_bar {
1547 __le16 frame_control;
1548 __le16 duration;
1549 __u8 ra[ETH_ALEN];
1550 __u8 ta[ETH_ALEN];
1551 __le16 control;
1552 __le16 start_seq_num;
1553 } __packed;
1554
1555 /* 802.11 BAR control masks */
1556 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1557 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1558 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1559 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1560 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1561
1562 #define IEEE80211_HT_MCS_MASK_LEN 10
1563
1564 /**
1565 * struct ieee80211_mcs_info - MCS information
1566 * @rx_mask: RX mask
1567 * @rx_highest: highest supported RX rate. If set represents
1568 * the highest supported RX data rate in units of 1 Mbps.
1569 * If this field is 0 this value should not be used to
1570 * consider the highest RX data rate supported.
1571 * @tx_params: TX parameters
1572 */
1573 struct ieee80211_mcs_info {
1574 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1575 __le16 rx_highest;
1576 u8 tx_params;
1577 u8 reserved[3];
1578 } __packed;
1579
1580 /* 802.11n HT capability MSC set */
1581 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1582 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1583 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1584 /* value 0 == 1 stream etc */
1585 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1586 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1587 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1588 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1589
1590 /*
1591 * 802.11n D5.0 20.3.5 / 20.6 says:
1592 * - indices 0 to 7 and 32 are single spatial stream
1593 * - 8 to 31 are multiple spatial streams using equal modulation
1594 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1595 * - remainder are multiple spatial streams using unequal modulation
1596 */
1597 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1598 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1599 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1600
1601 /**
1602 * struct ieee80211_ht_cap - HT capabilities
1603 *
1604 * This structure is the "HT capabilities element" as
1605 * described in 802.11n D5.0 7.3.2.57
1606 */
1607 struct ieee80211_ht_cap {
1608 __le16 cap_info;
1609 u8 ampdu_params_info;
1610
1611 /* 16 bytes MCS information */
1612 struct ieee80211_mcs_info mcs;
1613
1614 __le16 extended_ht_cap_info;
1615 __le32 tx_BF_cap_info;
1616 u8 antenna_selection_info;
1617 } __packed;
1618
1619 /* 802.11n HT capabilities masks (for cap_info) */
1620 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1621 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1622 #define IEEE80211_HT_CAP_SM_PS 0x000C
1623 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1624 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1625 #define IEEE80211_HT_CAP_SGI_20 0x0020
1626 #define IEEE80211_HT_CAP_SGI_40 0x0040
1627 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1628 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1629 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1630 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1631 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1632 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1633 #define IEEE80211_HT_CAP_RESERVED 0x2000
1634 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1635 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1636
1637 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1638 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1639 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1640 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1641 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1642 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1643 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1644 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1645
1646 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1647 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1648 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1649 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1650
1651 /*
1652 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1653 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1654 */
1655 enum ieee80211_max_ampdu_length_exp {
1656 IEEE80211_HT_MAX_AMPDU_8K = 0,
1657 IEEE80211_HT_MAX_AMPDU_16K = 1,
1658 IEEE80211_HT_MAX_AMPDU_32K = 2,
1659 IEEE80211_HT_MAX_AMPDU_64K = 3
1660 };
1661
1662 /*
1663 * Maximum length of AMPDU that the STA can receive in VHT.
1664 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1665 */
1666 enum ieee80211_vht_max_ampdu_length_exp {
1667 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1668 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1669 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1670 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1671 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1672 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1673 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1674 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1675 };
1676
1677 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1678
1679 /* Minimum MPDU start spacing */
1680 enum ieee80211_min_mpdu_spacing {
1681 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1682 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1683 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1684 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1685 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1686 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1687 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1688 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1689 };
1690
1691 /**
1692 * struct ieee80211_ht_operation - HT operation IE
1693 *
1694 * This structure is the "HT operation element" as
1695 * described in 802.11n-2009 7.3.2.57
1696 */
1697 struct ieee80211_ht_operation {
1698 u8 primary_chan;
1699 u8 ht_param;
1700 __le16 operation_mode;
1701 __le16 stbc_param;
1702 u8 basic_set[16];
1703 } __packed;
1704
1705 /* for ht_param */
1706 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1707 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1708 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1709 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1710 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1711 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1712
1713 /* for operation_mode */
1714 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1715 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1716 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1717 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1718 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1719 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1720 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1721 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1722 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1723
1724 /* for stbc_param */
1725 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1726 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1727 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1728 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1729 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1730 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1731
1732
1733 /* block-ack parameters */
1734 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1735 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1736 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1737 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1738 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1739 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1740
1741 /*
1742 * A-MPDU buffer sizes
1743 * According to HT size varies from 8 to 64 frames
1744 * HE adds the ability to have up to 256 frames.
1745 * EHT adds the ability to have up to 1K frames.
1746 */
1747 #define IEEE80211_MIN_AMPDU_BUF 0x8
1748 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1749 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1750 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1751
1752
1753 /* Spatial Multiplexing Power Save Modes (for capability) */
1754 #define WLAN_HT_CAP_SM_PS_STATIC 0
1755 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1756 #define WLAN_HT_CAP_SM_PS_INVALID 2
1757 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1758
1759 /* for SM power control field lower two bits */
1760 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1761 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1762 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1763
1764 /**
1765 * struct ieee80211_vht_mcs_info - VHT MCS information
1766 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1767 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1768 * STA can receive. Rate expressed in units of 1 Mbps.
1769 * If this field is 0 this value should not be used to
1770 * consider the highest RX data rate supported.
1771 * The top 3 bits of this field indicate the Maximum NSTS,total
1772 * (a beamformee capability.)
1773 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1774 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1775 * STA can transmit. Rate expressed in units of 1 Mbps.
1776 * If this field is 0 this value should not be used to
1777 * consider the highest TX data rate supported.
1778 * The top 2 bits of this field are reserved, the
1779 * 3rd bit from the top indiciates VHT Extended NSS BW
1780 * Capability.
1781 */
1782 struct ieee80211_vht_mcs_info {
1783 __le16 rx_mcs_map;
1784 __le16 rx_highest;
1785 __le16 tx_mcs_map;
1786 __le16 tx_highest;
1787 } __packed;
1788
1789 /* for rx_highest */
1790 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1791 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1792
1793 /* for tx_highest */
1794 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1795
1796 /**
1797 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1798 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1799 * number of streams
1800 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1801 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1802 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1803 *
1804 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1805 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1806 * both split into 8 subfields by number of streams. These values indicate
1807 * which MCSes are supported for the number of streams the value appears
1808 * for.
1809 */
1810 enum ieee80211_vht_mcs_support {
1811 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1812 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1813 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1814 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1815 };
1816
1817 /**
1818 * struct ieee80211_vht_cap - VHT capabilities
1819 *
1820 * This structure is the "VHT capabilities element" as
1821 * described in 802.11ac D3.0 8.4.2.160
1822 * @vht_cap_info: VHT capability info
1823 * @supp_mcs: VHT MCS supported rates
1824 */
1825 struct ieee80211_vht_cap {
1826 __le32 vht_cap_info;
1827 struct ieee80211_vht_mcs_info supp_mcs;
1828 } __packed;
1829
1830 /**
1831 * enum ieee80211_vht_chanwidth - VHT channel width
1832 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1833 * determine the channel width (20 or 40 MHz)
1834 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1835 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1836 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1837 */
1838 enum ieee80211_vht_chanwidth {
1839 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1840 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1841 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1842 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1843 };
1844
1845 /**
1846 * struct ieee80211_vht_operation - VHT operation IE
1847 *
1848 * This structure is the "VHT operation element" as
1849 * described in 802.11ac D3.0 8.4.2.161
1850 * @chan_width: Operating channel width
1851 * @center_freq_seg0_idx: center freq segment 0 index
1852 * @center_freq_seg1_idx: center freq segment 1 index
1853 * @basic_mcs_set: VHT Basic MCS rate set
1854 */
1855 struct ieee80211_vht_operation {
1856 u8 chan_width;
1857 u8 center_freq_seg0_idx;
1858 u8 center_freq_seg1_idx;
1859 __le16 basic_mcs_set;
1860 } __packed;
1861
1862 /**
1863 * struct ieee80211_he_cap_elem - HE capabilities element
1864 *
1865 * This structure is the "HE capabilities element" fixed fields as
1866 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1867 */
1868 struct ieee80211_he_cap_elem {
1869 u8 mac_cap_info[6];
1870 u8 phy_cap_info[11];
1871 } __packed;
1872
1873 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1874
1875 /**
1876 * enum ieee80211_he_mcs_support - HE MCS support definitions
1877 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1878 * number of streams
1879 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1880 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1881 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1882 *
1883 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1884 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1885 * both split into 8 subfields by number of streams. These values indicate
1886 * which MCSes are supported for the number of streams the value appears
1887 * for.
1888 */
1889 enum ieee80211_he_mcs_support {
1890 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1891 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1892 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1893 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1894 };
1895
1896 /**
1897 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1898 *
1899 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1900 * described in P802.11ax_D2.0 section 9.4.2.237.4
1901 *
1902 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1903 * widths less than 80MHz.
1904 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1905 * widths less than 80MHz.
1906 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1907 * width 160MHz.
1908 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1909 * width 160MHz.
1910 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1911 * channel width 80p80MHz.
1912 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1913 * channel width 80p80MHz.
1914 */
1915 struct ieee80211_he_mcs_nss_supp {
1916 __le16 rx_mcs_80;
1917 __le16 tx_mcs_80;
1918 __le16 rx_mcs_160;
1919 __le16 tx_mcs_160;
1920 __le16 rx_mcs_80p80;
1921 __le16 tx_mcs_80p80;
1922 } __packed;
1923
1924 /**
1925 * struct ieee80211_he_operation - HE capabilities element
1926 *
1927 * This structure is the "HE operation element" fields as
1928 * described in P802.11ax_D4.0 section 9.4.2.243
1929 */
1930 struct ieee80211_he_operation {
1931 __le32 he_oper_params;
1932 __le16 he_mcs_nss_set;
1933 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1934 u8 optional[];
1935 } __packed;
1936
1937 /**
1938 * struct ieee80211_he_spr - HE spatial reuse element
1939 *
1940 * This structure is the "HE spatial reuse element" element as
1941 * described in P802.11ax_D4.0 section 9.4.2.241
1942 */
1943 struct ieee80211_he_spr {
1944 u8 he_sr_control;
1945 /* Optional 0 to 19 bytes: depends on @he_sr_control */
1946 u8 optional[];
1947 } __packed;
1948
1949 /**
1950 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1951 *
1952 * This structure is the "MU AC Parameter Record" fields as
1953 * described in P802.11ax_D4.0 section 9.4.2.245
1954 */
1955 struct ieee80211_he_mu_edca_param_ac_rec {
1956 u8 aifsn;
1957 u8 ecw_min_max;
1958 u8 mu_edca_timer;
1959 } __packed;
1960
1961 /**
1962 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1963 *
1964 * This structure is the "MU EDCA Parameter Set element" fields as
1965 * described in P802.11ax_D4.0 section 9.4.2.245
1966 */
1967 struct ieee80211_mu_edca_param_set {
1968 u8 mu_qos_info;
1969 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1970 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1971 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1972 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1973 } __packed;
1974
1975 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1976 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1977
1978 /**
1979 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1980 * supported NSS for per MCS.
1981 *
1982 * For each field below, bits 0 - 3 indicate the maximal number of spatial
1983 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1984 * for Tx.
1985 *
1986 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1987 * supported for reception and the maximum number of spatial streams
1988 * supported for transmission for MCS 0 - 7.
1989 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
1990 * supported for reception and the maximum number of spatial streams
1991 * supported for transmission for MCS 8 - 9.
1992 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
1993 * supported for reception and the maximum number of spatial streams
1994 * supported for transmission for MCS 10 - 11.
1995 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
1996 * supported for reception and the maximum number of spatial streams
1997 * supported for transmission for MCS 12 - 13.
1998 */
1999 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2000 u8 rx_tx_mcs7_max_nss;
2001 u8 rx_tx_mcs9_max_nss;
2002 u8 rx_tx_mcs11_max_nss;
2003 u8 rx_tx_mcs13_max_nss;
2004 };
2005
2006 /**
2007 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2008 * 20MHz only stations).
2009 *
2010 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2011 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2012 * for Tx.
2013 *
2014 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2015 * supported for reception and the maximum number of spatial streams
2016 * supported for transmission for MCS 0 - 9.
2017 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2018 * supported for reception and the maximum number of spatial streams
2019 * supported for transmission for MCS 10 - 11.
2020 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2021 * supported for reception and the maximum number of spatial streams
2022 * supported for transmission for MCS 12 - 13.
2023 */
2024 struct ieee80211_eht_mcs_nss_supp_bw {
2025 u8 rx_tx_mcs9_max_nss;
2026 u8 rx_tx_mcs11_max_nss;
2027 u8 rx_tx_mcs13_max_nss;
2028 };
2029
2030 /**
2031 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2032 *
2033 * This structure is the "EHT Capabilities element" fixed fields as
2034 * described in P802.11be_D2.0 section 9.4.2.313.
2035 *
2036 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2037 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2038 */
2039 struct ieee80211_eht_cap_elem_fixed {
2040 u8 mac_cap_info[2];
2041 u8 phy_cap_info[9];
2042 } __packed;
2043
2044 /**
2045 * struct ieee80211_eht_cap_elem - EHT capabilities element
2046 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2047 * @optional: optional parts
2048 */
2049 struct ieee80211_eht_cap_elem {
2050 struct ieee80211_eht_cap_elem_fixed fixed;
2051
2052 /*
2053 * Followed by:
2054 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2055 * EHT PPE Thresholds field: variable length.
2056 */
2057 u8 optional[];
2058 } __packed;
2059
2060 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2061 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2062 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2063 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2064 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2065
2066 /**
2067 * struct ieee80211_eht_operation - eht operation element
2068 *
2069 * This structure is the "EHT Operation Element" fields as
2070 * described in P802.11be_D2.0 section 9.4.2.311
2071 *
2072 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2073 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2074 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2075 * receive.
2076 * @optional: optional parts
2077 */
2078 struct ieee80211_eht_operation {
2079 u8 params;
2080 __le32 basic_mcs_nss;
2081 u8 optional[];
2082 } __packed;
2083
2084 /**
2085 * struct ieee80211_eht_operation_info - eht operation information
2086 *
2087 * @control: EHT operation information control.
2088 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2089 * EHT BSS.
2090 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2091 * @optional: optional parts
2092 */
2093 struct ieee80211_eht_operation_info {
2094 u8 control;
2095 u8 ccfs0;
2096 u8 ccfs1;
2097 u8 optional[];
2098 } __packed;
2099
2100 /* 802.11ac VHT Capabilities */
2101 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2102 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2103 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2104 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2105 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2106 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2107 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2108 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2109 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2110 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2111 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2112 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2113 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2114 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2115 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2116 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2117 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2118 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2119 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2120 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2121 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2122 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2123 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2124 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2125 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2126 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2127 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2128 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2129 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2130 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2131 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2132 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2133 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2134 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2135 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2136 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2137 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2138 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2139 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2140
2141 /**
2142 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2143 * @cap: VHT capabilities of the peer
2144 * @bw: bandwidth to use
2145 * @mcs: MCS index to use
2146 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2147 * (rate scaling algorithm) can deal with the new logic
2148 * (dot11VHTExtendedNSSBWCapable)
2149 * @max_vht_nss: current maximum NSS as advertised by the STA in
2150 * operating mode notification, can be 0 in which case the
2151 * capability data will be used to derive this (from MCS support)
2152 *
2153 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2154 * vary for a given BW/MCS. This function parses the data.
2155 *
2156 * Note: This function is exported by cfg80211.
2157 */
2158 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2159 enum ieee80211_vht_chanwidth bw,
2160 int mcs, bool ext_nss_bw_capable,
2161 unsigned int max_vht_nss);
2162
2163 /**
2164 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2165 *
2166 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2167 * @IEEE80211_REG_LPI: Indoor Access Point
2168 * @IEEE80211_REG_SP: Standard power Access Point
2169 * @IEEE80211_REG_VLP: Very low power Access Point
2170 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2171 * @IEEE80211_REG_AP_POWER_MAX: maximum value
2172 */
2173 enum ieee80211_ap_reg_power {
2174 IEEE80211_REG_UNSET_AP,
2175 IEEE80211_REG_LPI_AP,
2176 IEEE80211_REG_SP_AP,
2177 IEEE80211_REG_VLP_AP,
2178 IEEE80211_REG_AP_POWER_AFTER_LAST,
2179 IEEE80211_REG_AP_POWER_MAX =
2180 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2181 };
2182
2183 /**
2184 * enum ieee80211_client_reg_power - regulatory power for a client
2185 *
2186 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2187 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2188 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2189 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2190 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2191 */
2192 enum ieee80211_client_reg_power {
2193 IEEE80211_REG_UNSET_CLIENT,
2194 IEEE80211_REG_DEFAULT_CLIENT,
2195 IEEE80211_REG_SUBORDINATE_CLIENT,
2196 IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2197 IEEE80211_REG_CLIENT_POWER_MAX =
2198 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2199 };
2200
2201 /* 802.11ax HE MAC capabilities */
2202 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2203 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2204 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2205 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2206 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2207 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2208 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2209 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2210 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2211 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2212 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2213 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2214 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2215 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2216 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2217 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2218 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2219
2220 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2221 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2222 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2223 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2224 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2225 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2226 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2227 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2228 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2229 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2230 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2231 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2232 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2233 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2234 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2235 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2236 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2237 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2238
2239 /* Link adaptation is split between byte HE_MAC_CAP1 and
2240 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2241 * in which case the following values apply:
2242 * 0 = No feedback.
2243 * 1 = reserved.
2244 * 2 = Unsolicited feedback.
2245 * 3 = both
2246 */
2247 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2248
2249 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2250 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2251 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2252 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2253 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2254 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2255 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2256 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2257
2258 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2259 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2260
2261 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2262 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2263 * same field in the HE capabilities.
2264 */
2265 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2266 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2267 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2268 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2269 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2270 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2271 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2272 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2273
2274 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2275 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2276 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2277 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2278 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2279 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2280 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2281 /* Multi TID agg TX is split between byte #4 and #5
2282 * The value is a combination of B39,B40,B41
2283 */
2284 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2285
2286 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2287 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2288 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2289 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2290 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2291 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2292 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2293 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2294
2295 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2296 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2297 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2298
2299 /* 802.11ax HE PHY capabilities */
2300 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2301 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2302 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2303 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2304 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2305
2306 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2307 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2308 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2309
2310 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2311 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2312 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2313 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2314 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2315 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2316 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2317 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2318 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2319 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2320
2321 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2322 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2323 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2324 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2325 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2326 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2327
2328 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2329 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2330 * case it indicates support for Tx.
2331 */
2332 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2333 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2334
2335 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2336 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2337 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2338 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2339 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2340 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2341 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2342 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2343 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2344 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2345 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2346 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2349 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2350 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2351
2352 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2353 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2354
2355 /* Minimal allowed value of Max STS under 80MHz is 3 */
2356 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2357 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2358 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2359 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2360 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2361 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2362
2363 /* Minimal allowed value of Max STS above 80MHz is 3 */
2364 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2365 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2366 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2367 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2370
2371 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2372 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2373 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2374 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2375 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2376 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2377 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2378 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2379 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2380
2381 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2382 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2390
2391 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2392 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2393
2394 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2395 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2396 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2397 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2398 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2399 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2400 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2401 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2402
2403 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2404 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2405 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2406 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2407 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2408 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2409 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2410 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2411 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2412 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2413 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2414 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2415 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2416
2417 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2418 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2419 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2420 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2421 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2422 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2423 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2424 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2425 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2426 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2427 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2428
2429 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2430 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2431 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2432 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2433 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2434 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2435 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2436 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2437 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2438 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2439 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2440 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2441
2442 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2443
2444 /* 802.11ax HE TX/RX MCS NSS Support */
2445 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2446 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2447 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2448 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2449 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2450
2451 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2452 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2453 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2454 HIGHEST_MCS_SUPPORTED_MCS8,
2455 HIGHEST_MCS_SUPPORTED_MCS9,
2456 HIGHEST_MCS_SUPPORTED_MCS10,
2457 HIGHEST_MCS_SUPPORTED_MCS11,
2458 };
2459
2460 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2461 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2462 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2463 {
2464 u8 count = 4;
2465
2466 if (he_cap->phy_cap_info[0] &
2467 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2468 count += 4;
2469
2470 if (he_cap->phy_cap_info[0] &
2471 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2472 count += 4;
2473
2474 return count;
2475 }
2476
2477 /* 802.11ax HE PPE Thresholds */
2478 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2479 #define IEEE80211_PPE_THRES_NSS_POS (0)
2480 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2481 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2482 (BIT(5) | BIT(6))
2483 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2484 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2485 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2486 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2487
2488 /*
2489 * Calculate 802.11ax HE capabilities IE PPE field size
2490 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2491 */
2492 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2493 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2494 {
2495 u8 n;
2496
2497 if ((phy_cap_info[6] &
2498 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2499 return 0;
2500
2501 n = hweight8(ppe_thres_hdr &
2502 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2503 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2504 IEEE80211_PPE_THRES_NSS_POS));
2505
2506 /*
2507 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2508 * total size.
2509 */
2510 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2511 n = DIV_ROUND_UP(n, 8);
2512
2513 return n;
2514 }
2515
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2516 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2517 {
2518 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2519 u8 needed = sizeof(*he_cap_ie_elem);
2520
2521 if (len < needed)
2522 return false;
2523
2524 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2525 if (len < needed)
2526 return false;
2527
2528 if (he_cap_ie_elem->phy_cap_info[6] &
2529 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2530 if (len < needed + 1)
2531 return false;
2532 needed += ieee80211_he_ppe_size(data[needed],
2533 he_cap_ie_elem->phy_cap_info);
2534 }
2535
2536 return len >= needed;
2537 }
2538
2539 /* HE Operation defines */
2540 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2541 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2542 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2543 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2544 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2545 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2546 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2547 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2548 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2549 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2550 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2551 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2552
2553 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2554 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2555
2556 /**
2557 * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2558 * @primary: primary channel
2559 * @control: control flags
2560 * @ccfs0: channel center frequency segment 0
2561 * @ccfs1: channel center frequency segment 1
2562 * @minrate: minimum rate (in 1 Mbps units)
2563 */
2564 struct ieee80211_he_6ghz_oper {
2565 u8 primary;
2566 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2567 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2568 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2569 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2570 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2571 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2572 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2573 u8 control;
2574 u8 ccfs0;
2575 u8 ccfs1;
2576 u8 minrate;
2577 } __packed;
2578
2579 /*
2580 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2581 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2582 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2583 * Info subfield encoding in the United States".
2584 * So it it totally max 8 Transmit Power Envelope element.
2585 */
2586 #define IEEE80211_TPE_MAX_IE_COUNT 8
2587 /*
2588 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2589 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2590 */
2591 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2592
2593 #define IEEE80211_TPE_MAX_POWER_COUNT 8
2594
2595 /* transmit power interpretation type of transmit power envelope element */
2596 enum ieee80211_tx_power_intrpt_type {
2597 IEEE80211_TPE_LOCAL_EIRP,
2598 IEEE80211_TPE_LOCAL_EIRP_PSD,
2599 IEEE80211_TPE_REG_CLIENT_EIRP,
2600 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2601 };
2602
2603 /**
2604 * struct ieee80211_tx_pwr_env
2605 *
2606 * This structure represents the "Transmit Power Envelope element"
2607 */
2608 struct ieee80211_tx_pwr_env {
2609 u8 tx_power_info;
2610 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2611 } __packed;
2612
2613 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2614 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2615 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2616
2617 /*
2618 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2619 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2620 * after the ext ID byte. It is assumed that he_oper_ie has at least
2621 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2622 * validated this.
2623 * @return the actual size of the IE data (not including header), or 0 on error
2624 */
2625 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2626 ieee80211_he_oper_size(const u8 *he_oper_ie)
2627 {
2628 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2629 u8 oper_len = sizeof(struct ieee80211_he_operation);
2630 u32 he_oper_params;
2631
2632 /* Make sure the input is not NULL */
2633 if (!he_oper_ie)
2634 return 0;
2635
2636 /* Calc required length */
2637 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2638 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2639 oper_len += 3;
2640 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2641 oper_len++;
2642 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2643 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2644
2645 /* Add the first byte (extension ID) to the total length */
2646 oper_len++;
2647
2648 return oper_len;
2649 }
2650
2651 /**
2652 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2653 * @he_oper: HE operation element (must be pre-validated for size)
2654 * but may be %NULL
2655 *
2656 * Return: a pointer to the 6 GHz operation field, or %NULL
2657 */
2658 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2659 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2660 {
2661 const u8 *ret = (const void *)&he_oper->optional;
2662 u32 he_oper_params;
2663
2664 if (!he_oper)
2665 return NULL;
2666
2667 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2668
2669 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2670 return NULL;
2671 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2672 ret += 3;
2673 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2674 ret++;
2675
2676 return (const void *)ret;
2677 }
2678
2679 /* HE Spatial Reuse defines */
2680 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2681 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2682 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2683 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2684 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2685
2686 /*
2687 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2688 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2689 * after the ext ID byte. It is assumed that he_spr_ie has at least
2690 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2691 * this
2692 * @return the actual size of the IE data (not including header), or 0 on error
2693 */
2694 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2695 ieee80211_he_spr_size(const u8 *he_spr_ie)
2696 {
2697 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2698 u8 spr_len = sizeof(struct ieee80211_he_spr);
2699 u8 he_spr_params;
2700
2701 /* Make sure the input is not NULL */
2702 if (!he_spr_ie)
2703 return 0;
2704
2705 /* Calc required length */
2706 he_spr_params = he_spr->he_sr_control;
2707 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2708 spr_len++;
2709 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2710 spr_len += 18;
2711
2712 /* Add the first byte (extension ID) to the total length */
2713 spr_len++;
2714
2715 return spr_len;
2716 }
2717
2718 /* S1G Capabilities Information field */
2719 #define IEEE80211_S1G_CAPABILITY_LEN 15
2720
2721 #define S1G_CAP0_S1G_LONG BIT(0)
2722 #define S1G_CAP0_SGI_1MHZ BIT(1)
2723 #define S1G_CAP0_SGI_2MHZ BIT(2)
2724 #define S1G_CAP0_SGI_4MHZ BIT(3)
2725 #define S1G_CAP0_SGI_8MHZ BIT(4)
2726 #define S1G_CAP0_SGI_16MHZ BIT(5)
2727 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2728
2729 #define S1G_SUPP_CH_WIDTH_2 0
2730 #define S1G_SUPP_CH_WIDTH_4 1
2731 #define S1G_SUPP_CH_WIDTH_8 2
2732 #define S1G_SUPP_CH_WIDTH_16 3
2733 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2734 cap[0])) << 1)
2735
2736 #define S1G_CAP1_RX_LDPC BIT(0)
2737 #define S1G_CAP1_TX_STBC BIT(1)
2738 #define S1G_CAP1_RX_STBC BIT(2)
2739 #define S1G_CAP1_SU_BFER BIT(3)
2740 #define S1G_CAP1_SU_BFEE BIT(4)
2741 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2742
2743 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2744 #define S1G_CAP2_MU_BFER BIT(3)
2745 #define S1G_CAP2_MU_BFEE BIT(4)
2746 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2747 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2748
2749 #define S1G_CAP3_RD_RESPONDER BIT(0)
2750 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2751 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2752 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2753 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2754
2755 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2756 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2757 #define S1G_CAP4_BAT BIT(2)
2758 #define S1G_CAP4_TIME_ADE BIT(3)
2759 #define S1G_CAP4_NON_TIM BIT(4)
2760 #define S1G_CAP4_GROUP_AID BIT(5)
2761 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2762
2763 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2764 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2765 #define S1G_CAP5_AMSDU BIT(2)
2766 #define S1G_CAP5_AMPDU BIT(3)
2767 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2768 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2769 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2770
2771 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2772 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2773 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2774 #define S1G_CAP6_RAW_OPERATION BIT(3)
2775 #define S1G_CAP6_PAGE_SLICING BIT(4)
2776 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2777 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2778
2779 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2780 #define S1G_CAP7_DUP_1MHZ BIT(1)
2781 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2782 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2783 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2784 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2785 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2786 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2787
2788 #define S1G_CAP8_TWT_GROUPING BIT(0)
2789 #define S1G_CAP8_BDT BIT(1)
2790 #define S1G_CAP8_COLOR GENMASK(4, 2)
2791 #define S1G_CAP8_TWT_REQUEST BIT(5)
2792 #define S1G_CAP8_TWT_RESPOND BIT(6)
2793 #define S1G_CAP8_PV1_FRAME BIT(7)
2794
2795 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2796
2797 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2798 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2799
2800 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2801 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
2802 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
2803 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
2804 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
2805 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
2806 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
2807 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
2808 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
2809 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
2810 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
2811
2812 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
2813
2814 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2815 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
2816 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
2817 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
2818 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
2819 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
2820 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
2821
2822 /* EHT beamformee number of spatial streams <= 80MHz is split */
2823 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
2824 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
2825
2826 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
2827 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
2828
2829 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
2830 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
2831
2832 /* EHT number of sounding dimensions for 320MHz is split */
2833 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
2834 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
2835 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
2836 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
2837 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
2838 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
2839 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
2840 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
2841 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
2842
2843 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
2844 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
2845 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
2846 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
2847 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
2848
2849 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
2850 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
2851 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
2852 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
2853 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
2854 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
2855 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
2856 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
2857 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
2858
2859 /* Maximum number of supported EHT LTF is split */
2860 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
2861 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
2862
2863 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
2864 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
2865
2866 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
2867 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
2868 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
2869 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
2870 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
2871 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
2872 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
2873 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
2874
2875 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
2876 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
2877
2878 /*
2879 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2880 */
2881 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
2882 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
2883 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
2884 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
2885 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
2886 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
2887
2888 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2889 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)2890 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2891 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2892 bool from_ap)
2893 {
2894 u8 count = 0;
2895
2896 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2897 if (he_cap->phy_cap_info[0] &
2898 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2899 return 3;
2900
2901 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2902 if (he_cap->phy_cap_info[0] &
2903 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2904 count += 3;
2905
2906 if (he_cap->phy_cap_info[0] &
2907 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2908 count += 3;
2909
2910 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2911 count += 3;
2912
2913 if (count)
2914 return count;
2915
2916 return from_ap ? 3 : 4;
2917 }
2918
2919 /* 802.11be EHT PPE Thresholds */
2920 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
2921 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
2922 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
2923 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
2924 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
2925
2926 /*
2927 * Calculate 802.11be EHT capabilities IE EHT field size
2928 */
2929 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)2930 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2931 {
2932 u32 n;
2933
2934 if (!(phy_cap_info[5] &
2935 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2936 return 0;
2937
2938 n = hweight16(ppe_thres_hdr &
2939 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2940 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2941
2942 /*
2943 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2944 * total size.
2945 */
2946 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2947 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2948 return DIV_ROUND_UP(n, 8);
2949 }
2950
2951 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)2952 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2953 bool from_ap)
2954 {
2955 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2956 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2957
2958 if (len < needed || !he_capa)
2959 return false;
2960
2961 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2962 (const void *)data,
2963 from_ap);
2964 if (len < needed)
2965 return false;
2966
2967 if (elem->phy_cap_info[5] &
2968 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2969 u16 ppe_thres_hdr;
2970
2971 if (len < needed + sizeof(ppe_thres_hdr))
2972 return false;
2973
2974 ppe_thres_hdr = get_unaligned_le16(data + needed);
2975 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2976 elem->phy_cap_info);
2977 }
2978
2979 return len >= needed;
2980 }
2981
2982 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)2983 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2984 {
2985 const struct ieee80211_eht_operation *elem = (const void *)data;
2986 u8 needed = sizeof(*elem);
2987
2988 if (len < needed)
2989 return false;
2990
2991 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
2992 needed += 3;
2993
2994 if (elem->params &
2995 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
2996 needed += 2;
2997 }
2998
2999 return len >= needed;
3000 }
3001
3002 #define LISTEN_INT_USF GENMASK(15, 14)
3003 #define LISTEN_INT_UI GENMASK(13, 0)
3004
3005 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3006 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3007
3008 /* Authentication algorithms */
3009 #define WLAN_AUTH_OPEN 0
3010 #define WLAN_AUTH_SHARED_KEY 1
3011 #define WLAN_AUTH_FT 2
3012 #define WLAN_AUTH_SAE 3
3013 #define WLAN_AUTH_FILS_SK 4
3014 #define WLAN_AUTH_FILS_SK_PFS 5
3015 #define WLAN_AUTH_FILS_PK 6
3016 #define WLAN_AUTH_LEAP 128
3017
3018 #define WLAN_AUTH_CHALLENGE_LEN 128
3019
3020 #define WLAN_CAPABILITY_ESS (1<<0)
3021 #define WLAN_CAPABILITY_IBSS (1<<1)
3022
3023 /*
3024 * A mesh STA sets the ESS and IBSS capability bits to zero.
3025 * however, this holds true for p2p probe responses (in the p2p_find
3026 * phase) as well.
3027 */
3028 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3029 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3030
3031 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3032 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3033 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3034 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3035 #define WLAN_CAPABILITY_PBCC (1<<6)
3036 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3037
3038 /* 802.11h */
3039 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3040 #define WLAN_CAPABILITY_QOS (1<<9)
3041 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3042 #define WLAN_CAPABILITY_APSD (1<<11)
3043 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3044 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3045 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3046 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3047
3048 /* DMG (60gHz) 802.11ad */
3049 /* type - bits 0..1 */
3050 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3051 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3052 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3053 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3054
3055 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3056 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3057 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3058 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3059
3060 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3061 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3062
3063 /* measurement */
3064 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3065 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3066 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3067
3068 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3069 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3070 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3071 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3072 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3073
3074 /* 802.11g ERP information element */
3075 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3076 #define WLAN_ERP_USE_PROTECTION (1<<1)
3077 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3078
3079 /* WLAN_ERP_BARKER_PREAMBLE values */
3080 enum {
3081 WLAN_ERP_PREAMBLE_SHORT = 0,
3082 WLAN_ERP_PREAMBLE_LONG = 1,
3083 };
3084
3085 /* Band ID, 802.11ad #8.4.1.45 */
3086 enum {
3087 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3088 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3089 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3090 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3091 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3092 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3093 };
3094
3095 /* Status codes */
3096 enum ieee80211_statuscode {
3097 WLAN_STATUS_SUCCESS = 0,
3098 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3099 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3100 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3101 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3102 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3103 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3104 WLAN_STATUS_CHALLENGE_FAIL = 15,
3105 WLAN_STATUS_AUTH_TIMEOUT = 16,
3106 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3107 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3108 /* 802.11b */
3109 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3110 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3111 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3112 /* 802.11h */
3113 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3114 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3115 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3116 /* 802.11g */
3117 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3118 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3119 /* 802.11w */
3120 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3121 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3122 /* 802.11i */
3123 WLAN_STATUS_INVALID_IE = 40,
3124 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3125 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3126 WLAN_STATUS_INVALID_AKMP = 43,
3127 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3128 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3129 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3130 /* 802.11e */
3131 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3132 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3133 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3134 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3135 WLAN_STATUS_REQUEST_DECLINED = 37,
3136 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3137 WLAN_STATUS_CHANGE_TSPEC = 39,
3138 WLAN_STATUS_WAIT_TS_DELAY = 47,
3139 WLAN_STATUS_NO_DIRECT_LINK = 48,
3140 WLAN_STATUS_STA_NOT_PRESENT = 49,
3141 WLAN_STATUS_STA_NOT_QSTA = 50,
3142 /* 802.11s */
3143 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3144 WLAN_STATUS_FCG_NOT_SUPP = 78,
3145 WLAN_STATUS_STA_NO_TBTT = 78,
3146 /* 802.11ad */
3147 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3148 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3149 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3150 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3151 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3152 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3153 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3154 WLAN_STATUS_REJECT_DSE_BAND = 96,
3155 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3156 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3157 /* 802.11ai */
3158 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3159 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3160 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3161 WLAN_STATUS_SAE_PK = 127,
3162 };
3163
3164
3165 /* Reason codes */
3166 enum ieee80211_reasoncode {
3167 WLAN_REASON_UNSPECIFIED = 1,
3168 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3169 WLAN_REASON_DEAUTH_LEAVING = 3,
3170 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3171 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3172 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3173 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3174 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3175 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3176 /* 802.11h */
3177 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3178 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3179 /* 802.11i */
3180 WLAN_REASON_INVALID_IE = 13,
3181 WLAN_REASON_MIC_FAILURE = 14,
3182 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3183 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3184 WLAN_REASON_IE_DIFFERENT = 17,
3185 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3186 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3187 WLAN_REASON_INVALID_AKMP = 20,
3188 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3189 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3190 WLAN_REASON_IEEE8021X_FAILED = 23,
3191 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3192 /* TDLS (802.11z) */
3193 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3194 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3195 /* 802.11e */
3196 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3197 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3198 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3199 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3200 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3201 WLAN_REASON_QSTA_NOT_USE = 37,
3202 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3203 WLAN_REASON_QSTA_TIMEOUT = 39,
3204 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3205 /* 802.11s */
3206 WLAN_REASON_MESH_PEER_CANCELED = 52,
3207 WLAN_REASON_MESH_MAX_PEERS = 53,
3208 WLAN_REASON_MESH_CONFIG = 54,
3209 WLAN_REASON_MESH_CLOSE = 55,
3210 WLAN_REASON_MESH_MAX_RETRIES = 56,
3211 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3212 WLAN_REASON_MESH_INVALID_GTK = 58,
3213 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3214 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3215 WLAN_REASON_MESH_PATH_ERROR = 61,
3216 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3217 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3218 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3219 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3220 WLAN_REASON_MESH_CHAN = 66,
3221 };
3222
3223
3224 /* Information Element IDs */
3225 enum ieee80211_eid {
3226 WLAN_EID_SSID = 0,
3227 WLAN_EID_SUPP_RATES = 1,
3228 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3229 WLAN_EID_DS_PARAMS = 3,
3230 WLAN_EID_CF_PARAMS = 4,
3231 WLAN_EID_TIM = 5,
3232 WLAN_EID_IBSS_PARAMS = 6,
3233 WLAN_EID_COUNTRY = 7,
3234 /* 8, 9 reserved */
3235 WLAN_EID_REQUEST = 10,
3236 WLAN_EID_QBSS_LOAD = 11,
3237 WLAN_EID_EDCA_PARAM_SET = 12,
3238 WLAN_EID_TSPEC = 13,
3239 WLAN_EID_TCLAS = 14,
3240 WLAN_EID_SCHEDULE = 15,
3241 WLAN_EID_CHALLENGE = 16,
3242 /* 17-31 reserved for challenge text extension */
3243 WLAN_EID_PWR_CONSTRAINT = 32,
3244 WLAN_EID_PWR_CAPABILITY = 33,
3245 WLAN_EID_TPC_REQUEST = 34,
3246 WLAN_EID_TPC_REPORT = 35,
3247 WLAN_EID_SUPPORTED_CHANNELS = 36,
3248 WLAN_EID_CHANNEL_SWITCH = 37,
3249 WLAN_EID_MEASURE_REQUEST = 38,
3250 WLAN_EID_MEASURE_REPORT = 39,
3251 WLAN_EID_QUIET = 40,
3252 WLAN_EID_IBSS_DFS = 41,
3253 WLAN_EID_ERP_INFO = 42,
3254 WLAN_EID_TS_DELAY = 43,
3255 WLAN_EID_TCLAS_PROCESSING = 44,
3256 WLAN_EID_HT_CAPABILITY = 45,
3257 WLAN_EID_QOS_CAPA = 46,
3258 /* 47 reserved for Broadcom */
3259 WLAN_EID_RSN = 48,
3260 WLAN_EID_802_15_COEX = 49,
3261 WLAN_EID_EXT_SUPP_RATES = 50,
3262 WLAN_EID_AP_CHAN_REPORT = 51,
3263 WLAN_EID_NEIGHBOR_REPORT = 52,
3264 WLAN_EID_RCPI = 53,
3265 WLAN_EID_MOBILITY_DOMAIN = 54,
3266 WLAN_EID_FAST_BSS_TRANSITION = 55,
3267 WLAN_EID_TIMEOUT_INTERVAL = 56,
3268 WLAN_EID_RIC_DATA = 57,
3269 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3270 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3271 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3272 WLAN_EID_HT_OPERATION = 61,
3273 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3274 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3275 WLAN_EID_ANTENNA_INFO = 64,
3276 WLAN_EID_RSNI = 65,
3277 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3278 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3279 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3280 WLAN_EID_TIME_ADVERTISEMENT = 69,
3281 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3282 WLAN_EID_MULTIPLE_BSSID = 71,
3283 WLAN_EID_BSS_COEX_2040 = 72,
3284 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3285 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3286 WLAN_EID_RIC_DESCRIPTOR = 75,
3287 WLAN_EID_MMIE = 76,
3288 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3289 WLAN_EID_EVENT_REQUEST = 78,
3290 WLAN_EID_EVENT_REPORT = 79,
3291 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3292 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3293 WLAN_EID_LOCATION_PARAMS = 82,
3294 WLAN_EID_NON_TX_BSSID_CAP = 83,
3295 WLAN_EID_SSID_LIST = 84,
3296 WLAN_EID_MULTI_BSSID_IDX = 85,
3297 WLAN_EID_FMS_DESCRIPTOR = 86,
3298 WLAN_EID_FMS_REQUEST = 87,
3299 WLAN_EID_FMS_RESPONSE = 88,
3300 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3301 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3302 WLAN_EID_TSF_REQUEST = 91,
3303 WLAN_EID_TSF_RESPOSNE = 92,
3304 WLAN_EID_WNM_SLEEP_MODE = 93,
3305 WLAN_EID_TIM_BCAST_REQ = 94,
3306 WLAN_EID_TIM_BCAST_RESP = 95,
3307 WLAN_EID_COLL_IF_REPORT = 96,
3308 WLAN_EID_CHANNEL_USAGE = 97,
3309 WLAN_EID_TIME_ZONE = 98,
3310 WLAN_EID_DMS_REQUEST = 99,
3311 WLAN_EID_DMS_RESPONSE = 100,
3312 WLAN_EID_LINK_ID = 101,
3313 WLAN_EID_WAKEUP_SCHEDUL = 102,
3314 /* 103 reserved */
3315 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3316 WLAN_EID_PTI_CONTROL = 105,
3317 WLAN_EID_PU_BUFFER_STATUS = 106,
3318 WLAN_EID_INTERWORKING = 107,
3319 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3320 WLAN_EID_EXPEDITED_BW_REQ = 109,
3321 WLAN_EID_QOS_MAP_SET = 110,
3322 WLAN_EID_ROAMING_CONSORTIUM = 111,
3323 WLAN_EID_EMERGENCY_ALERT = 112,
3324 WLAN_EID_MESH_CONFIG = 113,
3325 WLAN_EID_MESH_ID = 114,
3326 WLAN_EID_LINK_METRIC_REPORT = 115,
3327 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3328 WLAN_EID_PEER_MGMT = 117,
3329 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3330 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3331 WLAN_EID_BEACON_TIMING = 120,
3332 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3333 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3334 WLAN_EID_MCCAOP_ADVERT = 123,
3335 WLAN_EID_MCCAOP_TEARDOWN = 124,
3336 WLAN_EID_GANN = 125,
3337 WLAN_EID_RANN = 126,
3338 WLAN_EID_EXT_CAPABILITY = 127,
3339 /* 128, 129 reserved for Agere */
3340 WLAN_EID_PREQ = 130,
3341 WLAN_EID_PREP = 131,
3342 WLAN_EID_PERR = 132,
3343 /* 133-136 reserved for Cisco */
3344 WLAN_EID_PXU = 137,
3345 WLAN_EID_PXUC = 138,
3346 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3347 WLAN_EID_MIC = 140,
3348 WLAN_EID_DESTINATION_URI = 141,
3349 WLAN_EID_UAPSD_COEX = 142,
3350 WLAN_EID_WAKEUP_SCHEDULE = 143,
3351 WLAN_EID_EXT_SCHEDULE = 144,
3352 WLAN_EID_STA_AVAILABILITY = 145,
3353 WLAN_EID_DMG_TSPEC = 146,
3354 WLAN_EID_DMG_AT = 147,
3355 WLAN_EID_DMG_CAP = 148,
3356 /* 149 reserved for Cisco */
3357 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3358 WLAN_EID_DMG_OPERATION = 151,
3359 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3360 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3361 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3362 /* 155-156 reserved for Cisco */
3363 WLAN_EID_AWAKE_WINDOW = 157,
3364 WLAN_EID_MULTI_BAND = 158,
3365 WLAN_EID_ADDBA_EXT = 159,
3366 WLAN_EID_NEXT_PCP_LIST = 160,
3367 WLAN_EID_PCP_HANDOVER = 161,
3368 WLAN_EID_DMG_LINK_MARGIN = 162,
3369 WLAN_EID_SWITCHING_STREAM = 163,
3370 WLAN_EID_SESSION_TRANSITION = 164,
3371 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3372 WLAN_EID_CLUSTER_REPORT = 166,
3373 WLAN_EID_RELAY_CAP = 167,
3374 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3375 WLAN_EID_BEAM_LINK_MAINT = 169,
3376 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3377 WLAN_EID_U_PID = 171,
3378 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3379 /* 173 reserved for Symbol */
3380 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3381 WLAN_EID_QUIET_PERIOD_REQ = 175,
3382 /* 176 reserved for Symbol */
3383 WLAN_EID_QUIET_PERIOD_RESP = 177,
3384 /* 178-179 reserved for Symbol */
3385 /* 180 reserved for ISO/IEC 20011 */
3386 WLAN_EID_EPAC_POLICY = 182,
3387 WLAN_EID_CLISTER_TIME_OFF = 183,
3388 WLAN_EID_INTER_AC_PRIO = 184,
3389 WLAN_EID_SCS_DESCRIPTOR = 185,
3390 WLAN_EID_QLOAD_REPORT = 186,
3391 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3392 WLAN_EID_HL_STREAM_ID = 188,
3393 WLAN_EID_GCR_GROUP_ADDR = 189,
3394 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3395 WLAN_EID_VHT_CAPABILITY = 191,
3396 WLAN_EID_VHT_OPERATION = 192,
3397 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3398 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3399 WLAN_EID_TX_POWER_ENVELOPE = 195,
3400 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3401 WLAN_EID_AID = 197,
3402 WLAN_EID_QUIET_CHANNEL = 198,
3403 WLAN_EID_OPMODE_NOTIF = 199,
3404
3405 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3406
3407 WLAN_EID_AID_REQUEST = 210,
3408 WLAN_EID_AID_RESPONSE = 211,
3409 WLAN_EID_S1G_BCN_COMPAT = 213,
3410 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3411 WLAN_EID_S1G_TWT = 216,
3412 WLAN_EID_S1G_CAPABILITIES = 217,
3413 WLAN_EID_VENDOR_SPECIFIC = 221,
3414 WLAN_EID_QOS_PARAMETER = 222,
3415 WLAN_EID_S1G_OPERATION = 232,
3416 WLAN_EID_CAG_NUMBER = 237,
3417 WLAN_EID_AP_CSN = 239,
3418 WLAN_EID_FILS_INDICATION = 240,
3419 WLAN_EID_DILS = 241,
3420 WLAN_EID_FRAGMENT = 242,
3421 WLAN_EID_RSNX = 244,
3422 WLAN_EID_EXTENSION = 255
3423 };
3424
3425 /* Element ID Extensions for Element ID 255 */
3426 enum ieee80211_eid_ext {
3427 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3428 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3429 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3430 WLAN_EID_EXT_FILS_SESSION = 4,
3431 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3432 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3433 WLAN_EID_EXT_KEY_DELIVERY = 7,
3434 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3435 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3436 WLAN_EID_EXT_FILS_NONCE = 13,
3437 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3438 WLAN_EID_EXT_HE_CAPABILITY = 35,
3439 WLAN_EID_EXT_HE_OPERATION = 36,
3440 WLAN_EID_EXT_UORA = 37,
3441 WLAN_EID_EXT_HE_MU_EDCA = 38,
3442 WLAN_EID_EXT_HE_SPR = 39,
3443 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3444 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3445 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3446 WLAN_EID_EXT_ESS_REPORT = 45,
3447 WLAN_EID_EXT_OPS = 46,
3448 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3449 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3450 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3451 WLAN_EID_EXT_NON_INHERITANCE = 56,
3452 WLAN_EID_EXT_KNOWN_BSSID = 57,
3453 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3454 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3455 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3456 WLAN_EID_EXT_EHT_OPERATION = 106,
3457 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3458 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3459 };
3460
3461 /* Action category code */
3462 enum ieee80211_category {
3463 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3464 WLAN_CATEGORY_QOS = 1,
3465 WLAN_CATEGORY_DLS = 2,
3466 WLAN_CATEGORY_BACK = 3,
3467 WLAN_CATEGORY_PUBLIC = 4,
3468 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3469 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3470 WLAN_CATEGORY_HT = 7,
3471 WLAN_CATEGORY_SA_QUERY = 8,
3472 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3473 WLAN_CATEGORY_WNM = 10,
3474 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3475 WLAN_CATEGORY_TDLS = 12,
3476 WLAN_CATEGORY_MESH_ACTION = 13,
3477 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3478 WLAN_CATEGORY_SELF_PROTECTED = 15,
3479 WLAN_CATEGORY_DMG = 16,
3480 WLAN_CATEGORY_WMM = 17,
3481 WLAN_CATEGORY_FST = 18,
3482 WLAN_CATEGORY_UNPROT_DMG = 20,
3483 WLAN_CATEGORY_VHT = 21,
3484 WLAN_CATEGORY_S1G = 22,
3485 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3486 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3487 };
3488
3489 /* SPECTRUM_MGMT action code */
3490 enum ieee80211_spectrum_mgmt_actioncode {
3491 WLAN_ACTION_SPCT_MSR_REQ = 0,
3492 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3493 WLAN_ACTION_SPCT_TPC_REQ = 2,
3494 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3495 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3496 };
3497
3498 /* HT action codes */
3499 enum ieee80211_ht_actioncode {
3500 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3501 WLAN_HT_ACTION_SMPS = 1,
3502 WLAN_HT_ACTION_PSMP = 2,
3503 WLAN_HT_ACTION_PCO_PHASE = 3,
3504 WLAN_HT_ACTION_CSI = 4,
3505 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3506 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3507 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3508 };
3509
3510 /* VHT action codes */
3511 enum ieee80211_vht_actioncode {
3512 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3513 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3514 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3515 };
3516
3517 /* Self Protected Action codes */
3518 enum ieee80211_self_protected_actioncode {
3519 WLAN_SP_RESERVED = 0,
3520 WLAN_SP_MESH_PEERING_OPEN = 1,
3521 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3522 WLAN_SP_MESH_PEERING_CLOSE = 3,
3523 WLAN_SP_MGK_INFORM = 4,
3524 WLAN_SP_MGK_ACK = 5,
3525 };
3526
3527 /* Mesh action codes */
3528 enum ieee80211_mesh_actioncode {
3529 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3530 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3531 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3532 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3533 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3534 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3535 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3536 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3537 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3538 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3539 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3540 };
3541
3542 /* Unprotected WNM action codes */
3543 enum ieee80211_unprotected_wnm_actioncode {
3544 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3545 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3546 };
3547
3548 /* Public action codes */
3549 enum ieee80211_public_actioncode {
3550 WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3551 };
3552
3553 /* Security key length */
3554 enum ieee80211_key_len {
3555 WLAN_KEY_LEN_WEP40 = 5,
3556 WLAN_KEY_LEN_WEP104 = 13,
3557 WLAN_KEY_LEN_CCMP = 16,
3558 WLAN_KEY_LEN_CCMP_256 = 32,
3559 WLAN_KEY_LEN_TKIP = 32,
3560 WLAN_KEY_LEN_AES_CMAC = 16,
3561 WLAN_KEY_LEN_SMS4 = 32,
3562 WLAN_KEY_LEN_GCMP = 16,
3563 WLAN_KEY_LEN_GCMP_256 = 32,
3564 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3565 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3566 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3567 };
3568
3569 enum ieee80211_s1g_actioncode {
3570 WLAN_S1G_AID_SWITCH_REQUEST,
3571 WLAN_S1G_AID_SWITCH_RESPONSE,
3572 WLAN_S1G_SYNC_CONTROL,
3573 WLAN_S1G_STA_INFO_ANNOUNCE,
3574 WLAN_S1G_EDCA_PARAM_SET,
3575 WLAN_S1G_EL_OPERATION,
3576 WLAN_S1G_TWT_SETUP,
3577 WLAN_S1G_TWT_TEARDOWN,
3578 WLAN_S1G_SECT_GROUP_ID_LIST,
3579 WLAN_S1G_SECT_ID_FEEDBACK,
3580 WLAN_S1G_TWT_INFORMATION = 11,
3581 };
3582
3583 #define IEEE80211_WEP_IV_LEN 4
3584 #define IEEE80211_WEP_ICV_LEN 4
3585 #define IEEE80211_CCMP_HDR_LEN 8
3586 #define IEEE80211_CCMP_MIC_LEN 8
3587 #define IEEE80211_CCMP_PN_LEN 6
3588 #define IEEE80211_CCMP_256_HDR_LEN 8
3589 #define IEEE80211_CCMP_256_MIC_LEN 16
3590 #define IEEE80211_CCMP_256_PN_LEN 6
3591 #define IEEE80211_TKIP_IV_LEN 8
3592 #define IEEE80211_TKIP_ICV_LEN 4
3593 #define IEEE80211_CMAC_PN_LEN 6
3594 #define IEEE80211_GMAC_PN_LEN 6
3595 #define IEEE80211_GCMP_HDR_LEN 8
3596 #define IEEE80211_GCMP_MIC_LEN 16
3597 #define IEEE80211_GCMP_PN_LEN 6
3598
3599 #define FILS_NONCE_LEN 16
3600 #define FILS_MAX_KEK_LEN 64
3601
3602 #define FILS_ERP_MAX_USERNAME_LEN 16
3603 #define FILS_ERP_MAX_REALM_LEN 253
3604 #define FILS_ERP_MAX_RRK_LEN 64
3605
3606 #define PMK_MAX_LEN 64
3607 #define SAE_PASSWORD_MAX_LEN 128
3608
3609 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3610 enum ieee80211_pub_actioncode {
3611 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3612 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3613 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3614 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3615 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3616 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3617 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3618 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3619 WLAN_PUB_ACTION_DSE_PC = 8,
3620 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3621 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3622 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3623 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3624 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3625 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3626 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3627 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3628 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3629 WLAN_PUB_ACTION_QMF_POLICY = 18,
3630 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3631 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3632 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3633 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3634 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3635 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3636 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3637 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3638 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3639 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3640 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3641 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3642 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3643 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3644 WLAN_PUB_ACTION_FTM = 33,
3645 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3646 };
3647
3648 /* TDLS action codes */
3649 enum ieee80211_tdls_actioncode {
3650 WLAN_TDLS_SETUP_REQUEST = 0,
3651 WLAN_TDLS_SETUP_RESPONSE = 1,
3652 WLAN_TDLS_SETUP_CONFIRM = 2,
3653 WLAN_TDLS_TEARDOWN = 3,
3654 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3655 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3656 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3657 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3658 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3659 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3660 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3661 };
3662
3663 /* Extended Channel Switching capability to be set in the 1st byte of
3664 * the @WLAN_EID_EXT_CAPABILITY information element
3665 */
3666 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3667
3668 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3669 * @WLAN_EID_EXT_CAPABILITY information element
3670 */
3671 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3672
3673 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3674 * of the @WLAN_EID_EXT_CAPABILITY information element
3675 */
3676 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3677
3678 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3679 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3680 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3681 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3682
3683 /* Interworking capabilities are set in 7th bit of 4th byte of the
3684 * @WLAN_EID_EXT_CAPABILITY information element
3685 */
3686 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3687
3688 /*
3689 * TDLS capabililites to be enabled in the 5th byte of the
3690 * @WLAN_EID_EXT_CAPABILITY information element
3691 */
3692 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3693 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3694 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3695
3696 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3697 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3698
3699 /* Defines the maximal number of MSDUs in an A-MSDU. */
3700 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3701 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3702
3703 /*
3704 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3705 * information element
3706 */
3707 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3708
3709 /* Defines support for TWT Requester and TWT Responder */
3710 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3711 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3712
3713 /*
3714 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3715 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3716 * 26-tone RU UL OFDMA transmissions as radar pulses).
3717 */
3718 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3719
3720 /* Defines support for enhanced multi-bssid advertisement*/
3721 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3722
3723 /* TDLS specific payload type in the LLC/SNAP header */
3724 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3725
3726 /* BSS Coex IE information field bits */
3727 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3728
3729 /**
3730 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3731 *
3732 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3733 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3734 * that will be specified in a vendor specific information element
3735 */
3736 enum ieee80211_mesh_sync_method {
3737 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3738 IEEE80211_SYNC_METHOD_VENDOR = 255,
3739 };
3740
3741 /**
3742 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3743 *
3744 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3745 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3746 * be specified in a vendor specific information element
3747 */
3748 enum ieee80211_mesh_path_protocol {
3749 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3750 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3751 };
3752
3753 /**
3754 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3755 *
3756 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3757 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3758 * specified in a vendor specific information element
3759 */
3760 enum ieee80211_mesh_path_metric {
3761 IEEE80211_PATH_METRIC_AIRTIME = 1,
3762 IEEE80211_PATH_METRIC_VENDOR = 255,
3763 };
3764
3765 /**
3766 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3767 *
3768 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3769 *
3770 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3771 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3772 * this value
3773 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3774 * the proactive PREQ with proactive PREP subfield set to 0
3775 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3776 * supports the proactive PREQ with proactive PREP subfield set to 1
3777 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3778 * the proactive RANN
3779 */
3780 enum ieee80211_root_mode_identifier {
3781 IEEE80211_ROOTMODE_NO_ROOT = 0,
3782 IEEE80211_ROOTMODE_ROOT = 1,
3783 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3784 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3785 IEEE80211_PROACTIVE_RANN = 4,
3786 };
3787
3788 /*
3789 * IEEE 802.11-2007 7.3.2.9 Country information element
3790 *
3791 * Minimum length is 8 octets, ie len must be evenly
3792 * divisible by 2
3793 */
3794
3795 /* Although the spec says 8 I'm seeing 6 in practice */
3796 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
3797
3798 /* The Country String field of the element shall be 3 octets in length */
3799 #define IEEE80211_COUNTRY_STRING_LEN 3
3800
3801 /*
3802 * For regulatory extension stuff see IEEE 802.11-2007
3803 * Annex I (page 1141) and Annex J (page 1147). Also
3804 * review 7.3.2.9.
3805 *
3806 * When dot11RegulatoryClassesRequired is true and the
3807 * first_channel/reg_extension_id is >= 201 then the IE
3808 * compromises of the 'ext' struct represented below:
3809 *
3810 * - Regulatory extension ID - when generating IE this just needs
3811 * to be monotonically increasing for each triplet passed in
3812 * the IE
3813 * - Regulatory class - index into set of rules
3814 * - Coverage class - index into air propagation time (Table 7-27),
3815 * in microseconds, you can compute the air propagation time from
3816 * the index by multiplying by 3, so index 10 yields a propagation
3817 * of 10 us. Valid values are 0-31, values 32-255 are not defined
3818 * yet. A value of 0 inicates air propagation of <= 1 us.
3819 *
3820 * See also Table I.2 for Emission limit sets and table
3821 * I.3 for Behavior limit sets. Table J.1 indicates how to map
3822 * a reg_class to an emission limit set and behavior limit set.
3823 */
3824 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3825
3826 /*
3827 * Channels numbers in the IE must be monotonically increasing
3828 * if dot11RegulatoryClassesRequired is not true.
3829 *
3830 * If dot11RegulatoryClassesRequired is true consecutive
3831 * subband triplets following a regulatory triplet shall
3832 * have monotonically increasing first_channel number fields.
3833 *
3834 * Channel numbers shall not overlap.
3835 *
3836 * Note that max_power is signed.
3837 */
3838 struct ieee80211_country_ie_triplet {
3839 union {
3840 struct {
3841 u8 first_channel;
3842 u8 num_channels;
3843 s8 max_power;
3844 } __packed chans;
3845 struct {
3846 u8 reg_extension_id;
3847 u8 reg_class;
3848 u8 coverage_class;
3849 } __packed ext;
3850 };
3851 } __packed;
3852
3853 enum ieee80211_timeout_interval_type {
3854 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3855 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3856 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3857 };
3858
3859 /**
3860 * struct ieee80211_timeout_interval_ie - Timeout Interval element
3861 * @type: type, see &enum ieee80211_timeout_interval_type
3862 * @value: timeout interval value
3863 */
3864 struct ieee80211_timeout_interval_ie {
3865 u8 type;
3866 __le32 value;
3867 } __packed;
3868
3869 /**
3870 * enum ieee80211_idle_options - BSS idle options
3871 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3872 * protected frame to the AP to reset the idle timer at the AP for
3873 * the station.
3874 */
3875 enum ieee80211_idle_options {
3876 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3877 };
3878
3879 /**
3880 * struct ieee80211_bss_max_idle_period_ie
3881 *
3882 * This structure refers to "BSS Max idle period element"
3883 *
3884 * @max_idle_period: indicates the time period during which a station can
3885 * refrain from transmitting frames to its associated AP without being
3886 * disassociated. In units of 1000 TUs.
3887 * @idle_options: indicates the options associated with the BSS idle capability
3888 * as specified in &enum ieee80211_idle_options.
3889 */
3890 struct ieee80211_bss_max_idle_period_ie {
3891 __le16 max_idle_period;
3892 u8 idle_options;
3893 } __packed;
3894
3895 /* BACK action code */
3896 enum ieee80211_back_actioncode {
3897 WLAN_ACTION_ADDBA_REQ = 0,
3898 WLAN_ACTION_ADDBA_RESP = 1,
3899 WLAN_ACTION_DELBA = 2,
3900 };
3901
3902 /* BACK (block-ack) parties */
3903 enum ieee80211_back_parties {
3904 WLAN_BACK_RECIPIENT = 0,
3905 WLAN_BACK_INITIATOR = 1,
3906 };
3907
3908 /* SA Query action */
3909 enum ieee80211_sa_query_action {
3910 WLAN_ACTION_SA_QUERY_REQUEST = 0,
3911 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3912 };
3913
3914 /**
3915 * struct ieee80211_bssid_index
3916 *
3917 * This structure refers to "Multiple BSSID-index element"
3918 *
3919 * @bssid_index: BSSID index
3920 * @dtim_period: optional, overrides transmitted BSS dtim period
3921 * @dtim_count: optional, overrides transmitted BSS dtim count
3922 */
3923 struct ieee80211_bssid_index {
3924 u8 bssid_index;
3925 u8 dtim_period;
3926 u8 dtim_count;
3927 };
3928
3929 /**
3930 * struct ieee80211_multiple_bssid_configuration
3931 *
3932 * This structure refers to "Multiple BSSID Configuration element"
3933 *
3934 * @bssid_count: total number of active BSSIDs in the set
3935 * @profile_periodicity: the least number of beacon frames need to be received
3936 * in order to discover all the nontransmitted BSSIDs in the set.
3937 */
3938 struct ieee80211_multiple_bssid_configuration {
3939 u8 bssid_count;
3940 u8 profile_periodicity;
3941 };
3942
3943 #define SUITE(oui, id) (((oui) << 8) | (id))
3944
3945 /* cipher suite selectors */
3946 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3947 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
3948 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
3949 /* reserved: SUITE(0x000FAC, 3) */
3950 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
3951 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
3952 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
3953 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
3954 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
3955 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
3956 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
3957 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
3958 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
3959
3960 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
3961
3962 /* AKM suite selectors */
3963 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
3964 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
3965 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
3966 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
3967 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
3968 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
3969 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
3970 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
3971 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
3972 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
3973 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
3974 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
3975 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
3976 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
3977 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
3978 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
3979 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
3980 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
3981 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
3982 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
3983
3984 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
3985
3986 #define WLAN_MAX_KEY_LEN 32
3987
3988 #define WLAN_PMK_NAME_LEN 16
3989 #define WLAN_PMKID_LEN 16
3990 #define WLAN_PMK_LEN_EAP_LEAP 16
3991 #define WLAN_PMK_LEN 32
3992 #define WLAN_PMK_LEN_SUITE_B_192 48
3993
3994 #define WLAN_OUI_WFA 0x506f9a
3995 #define WLAN_OUI_TYPE_WFA_P2P 9
3996 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
3997 #define WLAN_OUI_MICROSOFT 0x0050f2
3998 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
3999 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4000 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4001 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4002
4003 /*
4004 * WMM/802.11e Tspec Element
4005 */
4006 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4007 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4008
4009 enum ieee80211_tspec_status_code {
4010 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4011 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4012 };
4013
4014 struct ieee80211_tspec_ie {
4015 u8 element_id;
4016 u8 len;
4017 u8 oui[3];
4018 u8 oui_type;
4019 u8 oui_subtype;
4020 u8 version;
4021 __le16 tsinfo;
4022 u8 tsinfo_resvd;
4023 __le16 nominal_msdu;
4024 __le16 max_msdu;
4025 __le32 min_service_int;
4026 __le32 max_service_int;
4027 __le32 inactivity_int;
4028 __le32 suspension_int;
4029 __le32 service_start_time;
4030 __le32 min_data_rate;
4031 __le32 mean_data_rate;
4032 __le32 peak_data_rate;
4033 __le32 max_burst_size;
4034 __le32 delay_bound;
4035 __le32 min_phy_rate;
4036 __le16 sba;
4037 __le16 medium_time;
4038 } __packed;
4039
4040 struct ieee80211_he_6ghz_capa {
4041 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4042 __le16 capa;
4043 } __packed;
4044
4045 /* HE 6 GHz band capabilities */
4046 /* uses enum ieee80211_min_mpdu_spacing values */
4047 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4048 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4049 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4050 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4051 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4052 /* WLAN_HT_CAP_SM_PS_* values */
4053 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4054 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4055 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4056 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4057
4058 /**
4059 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4060 * @hdr: the frame
4061 *
4062 * The qos ctrl bytes come after the frame_control, duration, seq_num
4063 * and 3 or 4 addresses of length ETH_ALEN.
4064 * 3 addr: 2 + 2 + 2 + 3*6 = 24
4065 * 4 addr: 2 + 2 + 2 + 4*6 = 30
4066 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4067 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4068 {
4069 if (ieee80211_has_a4(hdr->frame_control))
4070 return (u8 *)hdr + 30;
4071 else
4072 return (u8 *)hdr + 24;
4073 }
4074
4075 /**
4076 * ieee80211_get_tid - get qos TID
4077 * @hdr: the frame
4078 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4079 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4080 {
4081 u8 *qc = ieee80211_get_qos_ctl(hdr);
4082
4083 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4084 }
4085
4086 /**
4087 * ieee80211_get_SA - get pointer to SA
4088 * @hdr: the frame
4089 *
4090 * Given an 802.11 frame, this function returns the offset
4091 * to the source address (SA). It does not verify that the
4092 * header is long enough to contain the address, and the
4093 * header must be long enough to contain the frame control
4094 * field.
4095 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4096 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4097 {
4098 if (ieee80211_has_a4(hdr->frame_control))
4099 return hdr->addr4;
4100 if (ieee80211_has_fromds(hdr->frame_control))
4101 return hdr->addr3;
4102 return hdr->addr2;
4103 }
4104
4105 /**
4106 * ieee80211_get_DA - get pointer to DA
4107 * @hdr: the frame
4108 *
4109 * Given an 802.11 frame, this function returns the offset
4110 * to the destination address (DA). It does not verify that
4111 * the header is long enough to contain the address, and the
4112 * header must be long enough to contain the frame control
4113 * field.
4114 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4115 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4116 {
4117 if (ieee80211_has_tods(hdr->frame_control))
4118 return hdr->addr3;
4119 else
4120 return hdr->addr1;
4121 }
4122
4123 /**
4124 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4125 * @hdr: the frame (buffer must include at least the first octet of payload)
4126 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4127 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4128 {
4129 if (ieee80211_is_disassoc(hdr->frame_control) ||
4130 ieee80211_is_deauth(hdr->frame_control))
4131 return true;
4132
4133 if (ieee80211_is_action(hdr->frame_control)) {
4134 u8 *category;
4135
4136 /*
4137 * Action frames, excluding Public Action frames, are Robust
4138 * Management Frames. However, if we are looking at a Protected
4139 * frame, skip the check since the data may be encrypted and
4140 * the frame has already been found to be a Robust Management
4141 * Frame (by the other end).
4142 */
4143 if (ieee80211_has_protected(hdr->frame_control))
4144 return true;
4145 category = ((u8 *) hdr) + 24;
4146 return *category != WLAN_CATEGORY_PUBLIC &&
4147 *category != WLAN_CATEGORY_HT &&
4148 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4149 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4150 *category != WLAN_CATEGORY_UNPROT_DMG &&
4151 *category != WLAN_CATEGORY_VHT &&
4152 *category != WLAN_CATEGORY_S1G &&
4153 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4154 }
4155
4156 return false;
4157 }
4158
4159 /**
4160 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4161 * @skb: the skb containing the frame, length will be checked
4162 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4163 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4164 {
4165 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4166 return false;
4167 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4168 }
4169
4170 /**
4171 * ieee80211_is_public_action - check if frame is a public action frame
4172 * @hdr: the frame
4173 * @len: length of the frame
4174 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4175 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4176 size_t len)
4177 {
4178 struct ieee80211_mgmt *mgmt = (void *)hdr;
4179
4180 if (len < IEEE80211_MIN_ACTION_SIZE)
4181 return false;
4182 if (!ieee80211_is_action(hdr->frame_control))
4183 return false;
4184 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4185 }
4186
4187 /**
4188 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4189 * privacy action frame
4190 * @hdr: the frame
4191 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4192 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4193 {
4194 struct ieee80211_mgmt *mgmt = (void *)hdr;
4195
4196 if (!ieee80211_is_action(hdr->frame_control) ||
4197 !is_multicast_ether_addr(hdr->addr1))
4198 return false;
4199
4200 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4201 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4202 }
4203
4204 /**
4205 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4206 * privacy action frame
4207 * @skb: the skb containing the frame, length will be checked
4208 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4209 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4210 {
4211 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4212 return false;
4213 return _ieee80211_is_group_privacy_action((void *)skb->data);
4214 }
4215
4216 /**
4217 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4218 * @tu: the TUs
4219 */
ieee80211_tu_to_usec(unsigned long tu)4220 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4221 {
4222 return 1024 * tu;
4223 }
4224
4225 /**
4226 * ieee80211_check_tim - check if AID bit is set in TIM
4227 * @tim: the TIM IE
4228 * @tim_len: length of the TIM IE
4229 * @aid: the AID to look for
4230 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4231 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4232 u8 tim_len, u16 aid)
4233 {
4234 u8 mask;
4235 u8 index, indexn1, indexn2;
4236
4237 if (unlikely(!tim || tim_len < sizeof(*tim)))
4238 return false;
4239
4240 aid &= 0x3fff;
4241 index = aid / 8;
4242 mask = 1 << (aid & 7);
4243
4244 indexn1 = tim->bitmap_ctrl & 0xfe;
4245 indexn2 = tim_len + indexn1 - 4;
4246
4247 if (index < indexn1 || index > indexn2)
4248 return false;
4249
4250 index -= indexn1;
4251
4252 return !!(tim->virtual_map[index] & mask);
4253 }
4254
4255 /**
4256 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4257 * @skb: the skb containing the frame, length will not be checked
4258 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4259 *
4260 * This function assumes the frame is a data frame, and that the network header
4261 * is in the correct place.
4262 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)4263 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4264 {
4265 if (!skb_is_nonlinear(skb) &&
4266 skb->len > (skb_network_offset(skb) + 2)) {
4267 /* Point to where the indication of TDLS should start */
4268 const u8 *tdls_data = skb_network_header(skb) - 2;
4269
4270 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4271 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4272 tdls_data[3] == WLAN_CATEGORY_TDLS)
4273 return tdls_data[4];
4274 }
4275
4276 return -1;
4277 }
4278
4279 /* convert time units */
4280 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4281 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4282
4283 /* convert frequencies */
4284 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4285 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4286 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4287 #define KHZ_F "%d.%03d"
4288
4289 /* convert powers */
4290 #define DBI_TO_MBI(gain) ((gain) * 100)
4291 #define MBI_TO_DBI(gain) ((gain) / 100)
4292 #define DBM_TO_MBM(gain) ((gain) * 100)
4293 #define MBM_TO_DBM(gain) ((gain) / 100)
4294
4295 /**
4296 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4297 * @skb: the skb containing the frame, length will be checked
4298 *
4299 * This function checks if it's either TPC report action frame or Link
4300 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4301 * and 8.5.7.5 accordingly.
4302 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4303 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4304 {
4305 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4306
4307 if (!ieee80211_is_action(mgmt->frame_control))
4308 return false;
4309
4310 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4311 sizeof(mgmt->u.action.u.tpc_report))
4312 return false;
4313
4314 /*
4315 * TPC report - check that:
4316 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4317 * spectrum management action = 3 (TPC/Link Measurement report)
4318 * TPC report EID = 35
4319 * TPC report element length = 2
4320 *
4321 * The spectrum management's tpc_report struct is used here both for
4322 * parsing tpc_report and radio measurement's link measurement report
4323 * frame, since the relevant part is identical in both frames.
4324 */
4325 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4326 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4327 return false;
4328
4329 /* both spectrum mgmt and link measurement have same action code */
4330 if (mgmt->u.action.u.tpc_report.action_code !=
4331 WLAN_ACTION_SPCT_TPC_RPRT)
4332 return false;
4333
4334 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4335 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4336 sizeof(struct ieee80211_tpc_report_ie))
4337 return false;
4338
4339 return true;
4340 }
4341
ieee80211_is_timing_measurement(struct sk_buff * skb)4342 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4343 {
4344 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4345
4346 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4347 return false;
4348
4349 if (!ieee80211_is_action(mgmt->frame_control))
4350 return false;
4351
4352 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4353 mgmt->u.action.u.wnm_timing_msr.action_code ==
4354 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4355 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4356 return true;
4357
4358 return false;
4359 }
4360
ieee80211_is_ftm(struct sk_buff * skb)4361 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4362 {
4363 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4364
4365 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4366 return false;
4367
4368 if (mgmt->u.action.u.ftm.action_code ==
4369 WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4370 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4371 return true;
4372
4373 return false;
4374 }
4375
4376 struct element {
4377 u8 id;
4378 u8 datalen;
4379 u8 data[];
4380 } __packed;
4381
4382 /* element iteration helpers */
4383 #define for_each_element(_elem, _data, _datalen) \
4384 for (_elem = (const struct element *)(_data); \
4385 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4386 (int)sizeof(*_elem) && \
4387 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4388 (int)sizeof(*_elem) + _elem->datalen; \
4389 _elem = (const struct element *)(_elem->data + _elem->datalen))
4390
4391 #define for_each_element_id(element, _id, data, datalen) \
4392 for_each_element(element, data, datalen) \
4393 if (element->id == (_id))
4394
4395 #define for_each_element_extid(element, extid, _data, _datalen) \
4396 for_each_element(element, _data, _datalen) \
4397 if (element->id == WLAN_EID_EXTENSION && \
4398 element->datalen > 0 && \
4399 element->data[0] == (extid))
4400
4401 #define for_each_subelement(sub, element) \
4402 for_each_element(sub, (element)->data, (element)->datalen)
4403
4404 #define for_each_subelement_id(sub, id, element) \
4405 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4406
4407 #define for_each_subelement_extid(sub, extid, element) \
4408 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4409
4410 /**
4411 * for_each_element_completed - determine if element parsing consumed all data
4412 * @element: element pointer after for_each_element() or friends
4413 * @data: same data pointer as passed to for_each_element() or friends
4414 * @datalen: same data length as passed to for_each_element() or friends
4415 *
4416 * This function returns %true if all the data was parsed or considered
4417 * while walking the elements. Only use this if your for_each_element()
4418 * loop cannot be broken out of, otherwise it always returns %false.
4419 *
4420 * If some data was malformed, this returns %false since the last parsed
4421 * element will not fill the whole remaining data.
4422 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4423 static inline bool for_each_element_completed(const struct element *element,
4424 const void *data, size_t datalen)
4425 {
4426 return (const u8 *)element == (const u8 *)data + datalen;
4427 }
4428
4429 /**
4430 * RSNX Capabilities:
4431 * bits 0-3: Field length (n-1)
4432 */
4433 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4434 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4435
4436 /*
4437 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4438 * section 9.4.2.170 and accepted contributions.
4439 */
4440 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4441 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4442 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4443 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4444 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 9
4445 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 13
4446
4447 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4448 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4449 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4450 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4451 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4452 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4453 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4454
4455 struct ieee80211_neighbor_ap_info {
4456 u8 tbtt_info_hdr;
4457 u8 tbtt_info_len;
4458 u8 op_class;
4459 u8 channel;
4460 } __packed;
4461
4462 enum ieee80211_range_params_max_total_ltf {
4463 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4464 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4465 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4466 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4467 };
4468
4469 /* multi-link device */
4470 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4471
4472 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4473 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4474 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4475 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4476 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4477 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4478 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4479
4480 struct ieee80211_multi_link_elem {
4481 __le16 control;
4482 u8 variable[];
4483 } __packed;
4484
4485 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4486 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4487 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4488 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4489 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4490 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4491
4492 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4493 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4494 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4495
4496 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4497 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4498 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4499 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4500 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4501 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4502 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4503 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4504 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4505 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4506 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4507 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4508 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4509 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4510 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4511 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4512 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4513 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4514 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4515 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4516 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4517 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4518 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4519 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4520 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4521 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4522 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4523 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4524 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4525 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4526 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4527 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4528 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4529 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4530
4531 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4532 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4533 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4534 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4535 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4536
4537 struct ieee80211_mle_basic_common_info {
4538 u8 len;
4539 u8 mld_mac_addr[ETH_ALEN];
4540 u8 variable[];
4541 } __packed;
4542
4543 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4544
4545 struct ieee80211_mle_preq_common_info {
4546 u8 len;
4547 u8 variable[];
4548 } __packed;
4549
4550 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4551
4552 /* no fixed fields in RECONF */
4553
4554 struct ieee80211_mle_tdls_common_info {
4555 u8 len;
4556 u8 ap_mld_mac_addr[ETH_ALEN];
4557 } __packed;
4558
4559 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4560
4561 /* no fixed fields in PRIO_ACCESS */
4562
4563 /**
4564 * ieee80211_mle_common_size - check multi-link element common size
4565 * @data: multi-link element, must already be checked for size using
4566 * ieee80211_mle_size_ok()
4567 */
ieee80211_mle_common_size(const u8 * data)4568 static inline u8 ieee80211_mle_common_size(const u8 *data)
4569 {
4570 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4571 u16 control = le16_to_cpu(mle->control);
4572 u8 common = 0;
4573
4574 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4575 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4576 common += sizeof(struct ieee80211_mle_basic_common_info);
4577 break;
4578 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4579 common += sizeof(struct ieee80211_mle_preq_common_info);
4580 break;
4581 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4582 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4583 common += ETH_ALEN;
4584 return common;
4585 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4586 common += sizeof(struct ieee80211_mle_tdls_common_info);
4587 break;
4588 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4589 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4590 common += ETH_ALEN;
4591 return common;
4592 default:
4593 WARN_ON(1);
4594 return 0;
4595 }
4596
4597 return common + mle->variable[0];
4598 }
4599
4600 /**
4601 * ieee80211_mle_size_ok - validate multi-link element size
4602 * @data: pointer to the element data
4603 * @len: length of the containing element
4604 */
ieee80211_mle_size_ok(const u8 * data,u8 len)4605 static inline bool ieee80211_mle_size_ok(const u8 *data, u8 len)
4606 {
4607 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4608 u8 fixed = sizeof(*mle);
4609 u8 common = 0;
4610 bool check_common_len = false;
4611 u16 control;
4612
4613 if (len < fixed)
4614 return false;
4615
4616 control = le16_to_cpu(mle->control);
4617
4618 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4619 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4620 common += sizeof(struct ieee80211_mle_basic_common_info);
4621 check_common_len = true;
4622 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4623 common += 1;
4624 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4625 common += 1;
4626 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4627 common += 2;
4628 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4629 common += 2;
4630 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4631 common += 2;
4632 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4633 common += 1;
4634 break;
4635 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4636 common += sizeof(struct ieee80211_mle_preq_common_info);
4637 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4638 common += 1;
4639 check_common_len = true;
4640 break;
4641 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4642 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4643 common += ETH_ALEN;
4644 break;
4645 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4646 common += sizeof(struct ieee80211_mle_tdls_common_info);
4647 check_common_len = true;
4648 break;
4649 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4650 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4651 common += ETH_ALEN;
4652 break;
4653 default:
4654 /* we don't know this type */
4655 return true;
4656 }
4657
4658 if (len < fixed + common)
4659 return false;
4660
4661 if (!check_common_len)
4662 return true;
4663
4664 /* if present, common length is the first octet there */
4665 return mle->variable[0] >= common;
4666 }
4667
4668 enum ieee80211_mle_subelems {
4669 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
4670 };
4671
4672 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
4673 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
4674 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
4675 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
4676 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
4677 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
4678 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
4679 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
4680 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
4681
4682 struct ieee80211_mle_per_sta_profile {
4683 __le16 control;
4684 u8 sta_info_len;
4685 u8 variable[];
4686 } __packed;
4687
4688 #define for_each_mle_subelement(_elem, _data, _len) \
4689 if (ieee80211_mle_size_ok(_data, _len)) \
4690 for_each_element(_elem, \
4691 _data + ieee80211_mle_common_size(_data),\
4692 _len - ieee80211_mle_common_size(_data))
4693
4694 #endif /* LINUX_IEEE80211_H */
4695
