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_qos_hdr_4addr {
342 __le16 frame_control;
343 __le16 duration_id;
344 u8 addr1[ETH_ALEN];
345 u8 addr2[ETH_ALEN];
346 u8 addr3[ETH_ALEN];
347 __le16 seq_ctrl;
348 u8 addr4[ETH_ALEN];
349 __le16 qos_ctrl;
350 } __packed __aligned(2);
351
352 struct ieee80211_trigger {
353 __le16 frame_control;
354 __le16 duration;
355 u8 ra[ETH_ALEN];
356 u8 ta[ETH_ALEN];
357 __le64 common_info;
358 u8 variable[];
359 } __packed __aligned(2);
360
361 /**
362 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
363 * @fc: frame control bytes in little-endian byteorder
364 */
ieee80211_has_tods(__le16 fc)365 static inline bool ieee80211_has_tods(__le16 fc)
366 {
367 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
368 }
369
370 /**
371 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
372 * @fc: frame control bytes in little-endian byteorder
373 */
ieee80211_has_fromds(__le16 fc)374 static inline bool ieee80211_has_fromds(__le16 fc)
375 {
376 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
377 }
378
379 /**
380 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
381 * @fc: frame control bytes in little-endian byteorder
382 */
ieee80211_has_a4(__le16 fc)383 static inline bool ieee80211_has_a4(__le16 fc)
384 {
385 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
386 return (fc & tmp) == tmp;
387 }
388
389 /**
390 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
391 * @fc: frame control bytes in little-endian byteorder
392 */
ieee80211_has_morefrags(__le16 fc)393 static inline bool ieee80211_has_morefrags(__le16 fc)
394 {
395 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
396 }
397
398 /**
399 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
400 * @fc: frame control bytes in little-endian byteorder
401 */
ieee80211_has_retry(__le16 fc)402 static inline bool ieee80211_has_retry(__le16 fc)
403 {
404 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
405 }
406
407 /**
408 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
409 * @fc: frame control bytes in little-endian byteorder
410 */
ieee80211_has_pm(__le16 fc)411 static inline bool ieee80211_has_pm(__le16 fc)
412 {
413 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
414 }
415
416 /**
417 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
418 * @fc: frame control bytes in little-endian byteorder
419 */
ieee80211_has_moredata(__le16 fc)420 static inline bool ieee80211_has_moredata(__le16 fc)
421 {
422 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
423 }
424
425 /**
426 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
427 * @fc: frame control bytes in little-endian byteorder
428 */
ieee80211_has_protected(__le16 fc)429 static inline bool ieee80211_has_protected(__le16 fc)
430 {
431 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
432 }
433
434 /**
435 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
436 * @fc: frame control bytes in little-endian byteorder
437 */
ieee80211_has_order(__le16 fc)438 static inline bool ieee80211_has_order(__le16 fc)
439 {
440 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
441 }
442
443 /**
444 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
445 * @fc: frame control bytes in little-endian byteorder
446 */
ieee80211_is_mgmt(__le16 fc)447 static inline bool ieee80211_is_mgmt(__le16 fc)
448 {
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_MGMT);
451 }
452
453 /**
454 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
455 * @fc: frame control bytes in little-endian byteorder
456 */
ieee80211_is_ctl(__le16 fc)457 static inline bool ieee80211_is_ctl(__le16 fc)
458 {
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL);
461 }
462
463 /**
464 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
465 * @fc: frame control bytes in little-endian byteorder
466 */
ieee80211_is_data(__le16 fc)467 static inline bool ieee80211_is_data(__le16 fc)
468 {
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_DATA);
471 }
472
473 /**
474 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
475 * @fc: frame control bytes in little-endian byteorder
476 */
ieee80211_is_ext(__le16 fc)477 static inline bool ieee80211_is_ext(__le16 fc)
478 {
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_EXT);
481 }
482
483
484 /**
485 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
486 * @fc: frame control bytes in little-endian byteorder
487 */
ieee80211_is_data_qos(__le16 fc)488 static inline bool ieee80211_is_data_qos(__le16 fc)
489 {
490 /*
491 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
492 * to check the one bit
493 */
494 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
495 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
496 }
497
498 /**
499 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
500 * @fc: frame control bytes in little-endian byteorder
501 */
ieee80211_is_data_present(__le16 fc)502 static inline bool ieee80211_is_data_present(__le16 fc)
503 {
504 /*
505 * mask with 0x40 and test that that bit is clear to only return true
506 * for the data-containing substypes.
507 */
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
509 cpu_to_le16(IEEE80211_FTYPE_DATA);
510 }
511
512 /**
513 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
514 * @fc: frame control bytes in little-endian byteorder
515 */
ieee80211_is_assoc_req(__le16 fc)516 static inline bool ieee80211_is_assoc_req(__le16 fc)
517 {
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
520 }
521
522 /**
523 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
524 * @fc: frame control bytes in little-endian byteorder
525 */
ieee80211_is_assoc_resp(__le16 fc)526 static inline bool ieee80211_is_assoc_resp(__le16 fc)
527 {
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
530 }
531
532 /**
533 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
534 * @fc: frame control bytes in little-endian byteorder
535 */
ieee80211_is_reassoc_req(__le16 fc)536 static inline bool ieee80211_is_reassoc_req(__le16 fc)
537 {
538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
540 }
541
542 /**
543 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
544 * @fc: frame control bytes in little-endian byteorder
545 */
ieee80211_is_reassoc_resp(__le16 fc)546 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
547 {
548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
550 }
551
552 /**
553 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
554 * @fc: frame control bytes in little-endian byteorder
555 */
ieee80211_is_probe_req(__le16 fc)556 static inline bool ieee80211_is_probe_req(__le16 fc)
557 {
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
560 }
561
562 /**
563 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
564 * @fc: frame control bytes in little-endian byteorder
565 */
ieee80211_is_probe_resp(__le16 fc)566 static inline bool ieee80211_is_probe_resp(__le16 fc)
567 {
568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
570 }
571
572 /**
573 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
574 * @fc: frame control bytes in little-endian byteorder
575 */
ieee80211_is_beacon(__le16 fc)576 static inline bool ieee80211_is_beacon(__le16 fc)
577 {
578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
580 }
581
582 /**
583 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
584 * IEEE80211_STYPE_S1G_BEACON
585 * @fc: frame control bytes in little-endian byteorder
586 */
ieee80211_is_s1g_beacon(__le16 fc)587 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
588 {
589 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
590 IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
592 }
593
594 /**
595 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
596 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
597 * @fc: frame control bytes in little-endian byteorder
598 */
ieee80211_next_tbtt_present(__le16 fc)599 static inline bool ieee80211_next_tbtt_present(__le16 fc)
600 {
601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
602 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
603 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
604 }
605
606 /**
607 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
608 * true for S1G beacons when they're short.
609 * @fc: frame control bytes in little-endian byteorder
610 */
ieee80211_is_s1g_short_beacon(__le16 fc)611 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
612 {
613 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
614 }
615
616 /**
617 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
618 * @fc: frame control bytes in little-endian byteorder
619 */
ieee80211_is_atim(__le16 fc)620 static inline bool ieee80211_is_atim(__le16 fc)
621 {
622 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
623 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
624 }
625
626 /**
627 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
628 * @fc: frame control bytes in little-endian byteorder
629 */
ieee80211_is_disassoc(__le16 fc)630 static inline bool ieee80211_is_disassoc(__le16 fc)
631 {
632 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
633 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
634 }
635
636 /**
637 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
638 * @fc: frame control bytes in little-endian byteorder
639 */
ieee80211_is_auth(__le16 fc)640 static inline bool ieee80211_is_auth(__le16 fc)
641 {
642 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
643 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
644 }
645
646 /**
647 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
648 * @fc: frame control bytes in little-endian byteorder
649 */
ieee80211_is_deauth(__le16 fc)650 static inline bool ieee80211_is_deauth(__le16 fc)
651 {
652 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
653 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
654 }
655
656 /**
657 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
658 * @fc: frame control bytes in little-endian byteorder
659 */
ieee80211_is_action(__le16 fc)660 static inline bool ieee80211_is_action(__le16 fc)
661 {
662 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
663 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
664 }
665
666 /**
667 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
668 * @fc: frame control bytes in little-endian byteorder
669 */
ieee80211_is_back_req(__le16 fc)670 static inline bool ieee80211_is_back_req(__le16 fc)
671 {
672 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
673 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
674 }
675
676 /**
677 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
678 * @fc: frame control bytes in little-endian byteorder
679 */
ieee80211_is_back(__le16 fc)680 static inline bool ieee80211_is_back(__le16 fc)
681 {
682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
683 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
684 }
685
686 /**
687 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
688 * @fc: frame control bytes in little-endian byteorder
689 */
ieee80211_is_pspoll(__le16 fc)690 static inline bool ieee80211_is_pspoll(__le16 fc)
691 {
692 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
693 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
694 }
695
696 /**
697 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
698 * @fc: frame control bytes in little-endian byteorder
699 */
ieee80211_is_rts(__le16 fc)700 static inline bool ieee80211_is_rts(__le16 fc)
701 {
702 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
703 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
704 }
705
706 /**
707 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
708 * @fc: frame control bytes in little-endian byteorder
709 */
ieee80211_is_cts(__le16 fc)710 static inline bool ieee80211_is_cts(__le16 fc)
711 {
712 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
713 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
714 }
715
716 /**
717 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
718 * @fc: frame control bytes in little-endian byteorder
719 */
ieee80211_is_ack(__le16 fc)720 static inline bool ieee80211_is_ack(__le16 fc)
721 {
722 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
723 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
724 }
725
726 /**
727 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
728 * @fc: frame control bytes in little-endian byteorder
729 */
ieee80211_is_cfend(__le16 fc)730 static inline bool ieee80211_is_cfend(__le16 fc)
731 {
732 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
733 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
734 }
735
736 /**
737 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
738 * @fc: frame control bytes in little-endian byteorder
739 */
ieee80211_is_cfendack(__le16 fc)740 static inline bool ieee80211_is_cfendack(__le16 fc)
741 {
742 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
743 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
744 }
745
746 /**
747 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
748 * @fc: frame control bytes in little-endian byteorder
749 */
ieee80211_is_nullfunc(__le16 fc)750 static inline bool ieee80211_is_nullfunc(__le16 fc)
751 {
752 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
753 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
754 }
755
756 /**
757 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
758 * @fc: frame control bytes in little-endian byteorder
759 */
ieee80211_is_qos_nullfunc(__le16 fc)760 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
761 {
762 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
763 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
764 }
765
766 /**
767 * ieee80211_is_trigger - check if frame is trigger frame
768 * @fc: frame control field in little-endian byteorder
769 */
ieee80211_is_trigger(__le16 fc)770 static inline bool ieee80211_is_trigger(__le16 fc)
771 {
772 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
773 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
774 }
775
776 /**
777 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
778 * @fc: frame control bytes in little-endian byteorder
779 */
ieee80211_is_any_nullfunc(__le16 fc)780 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
781 {
782 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
783 }
784
785 /**
786 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
787 * @fc: frame control field in little-endian byteorder
788 */
ieee80211_is_bufferable_mmpdu(__le16 fc)789 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
790 {
791 /* IEEE 802.11-2012, definition of "bufferable management frame";
792 * note that this ignores the IBSS special case. */
793 return ieee80211_is_mgmt(fc) &&
794 (ieee80211_is_action(fc) ||
795 ieee80211_is_disassoc(fc) ||
796 ieee80211_is_deauth(fc));
797 }
798
799 /**
800 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
801 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
802 */
ieee80211_is_first_frag(__le16 seq_ctrl)803 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
804 {
805 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
806 }
807
808 /**
809 * ieee80211_is_frag - check if a frame is a fragment
810 * @hdr: 802.11 header of the frame
811 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)812 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
813 {
814 return ieee80211_has_morefrags(hdr->frame_control) ||
815 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
816 }
817
818 struct ieee80211s_hdr {
819 u8 flags;
820 u8 ttl;
821 __le32 seqnum;
822 u8 eaddr1[ETH_ALEN];
823 u8 eaddr2[ETH_ALEN];
824 } __packed __aligned(2);
825
826 /* Mesh flags */
827 #define MESH_FLAGS_AE_A4 0x1
828 #define MESH_FLAGS_AE_A5_A6 0x2
829 #define MESH_FLAGS_AE 0x3
830 #define MESH_FLAGS_PS_DEEP 0x4
831
832 /**
833 * enum ieee80211_preq_flags - mesh PREQ element flags
834 *
835 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
836 */
837 enum ieee80211_preq_flags {
838 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
839 };
840
841 /**
842 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
843 *
844 * @IEEE80211_PREQ_TO_FLAG: target only subfield
845 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
846 */
847 enum ieee80211_preq_target_flags {
848 IEEE80211_PREQ_TO_FLAG = 1<<0,
849 IEEE80211_PREQ_USN_FLAG = 1<<2,
850 };
851
852 /**
853 * struct ieee80211_quiet_ie
854 *
855 * This structure refers to "Quiet information element"
856 */
857 struct ieee80211_quiet_ie {
858 u8 count;
859 u8 period;
860 __le16 duration;
861 __le16 offset;
862 } __packed;
863
864 /**
865 * struct ieee80211_msrment_ie
866 *
867 * This structure refers to "Measurement Request/Report information element"
868 */
869 struct ieee80211_msrment_ie {
870 u8 token;
871 u8 mode;
872 u8 type;
873 u8 request[];
874 } __packed;
875
876 /**
877 * struct ieee80211_channel_sw_ie
878 *
879 * This structure refers to "Channel Switch Announcement information element"
880 */
881 struct ieee80211_channel_sw_ie {
882 u8 mode;
883 u8 new_ch_num;
884 u8 count;
885 } __packed;
886
887 /**
888 * struct ieee80211_ext_chansw_ie
889 *
890 * This structure represents the "Extended Channel Switch Announcement element"
891 */
892 struct ieee80211_ext_chansw_ie {
893 u8 mode;
894 u8 new_operating_class;
895 u8 new_ch_num;
896 u8 count;
897 } __packed;
898
899 /**
900 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
901 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
902 * values here
903 * This structure represents the "Secondary Channel Offset element"
904 */
905 struct ieee80211_sec_chan_offs_ie {
906 u8 sec_chan_offs;
907 } __packed;
908
909 /**
910 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
911 *
912 * This structure represents the "Mesh Channel Switch Paramters element"
913 */
914 struct ieee80211_mesh_chansw_params_ie {
915 u8 mesh_ttl;
916 u8 mesh_flags;
917 __le16 mesh_reason;
918 __le16 mesh_pre_value;
919 } __packed;
920
921 /**
922 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
923 */
924 struct ieee80211_wide_bw_chansw_ie {
925 u8 new_channel_width;
926 u8 new_center_freq_seg0, new_center_freq_seg1;
927 } __packed;
928
929 /**
930 * struct ieee80211_tim
931 *
932 * This structure refers to "Traffic Indication Map information element"
933 */
934 struct ieee80211_tim_ie {
935 u8 dtim_count;
936 u8 dtim_period;
937 u8 bitmap_ctrl;
938 /* variable size: 1 - 251 bytes */
939 u8 virtual_map[1];
940 } __packed;
941
942 /**
943 * struct ieee80211_meshconf_ie
944 *
945 * This structure refers to "Mesh Configuration information element"
946 */
947 struct ieee80211_meshconf_ie {
948 u8 meshconf_psel;
949 u8 meshconf_pmetric;
950 u8 meshconf_congest;
951 u8 meshconf_synch;
952 u8 meshconf_auth;
953 u8 meshconf_form;
954 u8 meshconf_cap;
955 } __packed;
956
957 /**
958 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
959 *
960 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
961 * additional mesh peerings with other mesh STAs
962 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
963 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
964 * is ongoing
965 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
966 * neighbors in deep sleep mode
967 */
968 enum mesh_config_capab_flags {
969 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
970 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
971 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
972 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
973 };
974
975 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
976
977 /**
978 * mesh channel switch parameters element's flag indicator
979 *
980 */
981 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
982 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
983 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
984
985 /**
986 * struct ieee80211_rann_ie
987 *
988 * This structure refers to "Root Announcement information element"
989 */
990 struct ieee80211_rann_ie {
991 u8 rann_flags;
992 u8 rann_hopcount;
993 u8 rann_ttl;
994 u8 rann_addr[ETH_ALEN];
995 __le32 rann_seq;
996 __le32 rann_interval;
997 __le32 rann_metric;
998 } __packed;
999
1000 enum ieee80211_rann_flags {
1001 RANN_FLAG_IS_GATE = 1 << 0,
1002 };
1003
1004 enum ieee80211_ht_chanwidth_values {
1005 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1006 IEEE80211_HT_CHANWIDTH_ANY = 1,
1007 };
1008
1009 /**
1010 * enum ieee80211_opmode_bits - VHT operating mode field bits
1011 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1012 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1013 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1014 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1015 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1016 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1017 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1018 * (the NSS value is the value of this field + 1)
1019 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1020 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1021 * using a beamforming steering matrix
1022 */
1023 enum ieee80211_vht_opmode_bits {
1024 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1025 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1026 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1027 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1028 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1029 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1030 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1031 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1032 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1033 };
1034
1035 /**
1036 * enum ieee80211_s1g_chanwidth
1037 * These are defined in IEEE802.11-2016ah Table 10-20
1038 * as BSS Channel Width
1039 *
1040 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1041 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1042 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1043 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1044 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1045 */
1046 enum ieee80211_s1g_chanwidth {
1047 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1048 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1049 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1050 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1051 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1052 };
1053
1054 #define WLAN_SA_QUERY_TR_ID_LEN 2
1055 #define WLAN_MEMBERSHIP_LEN 8
1056 #define WLAN_USER_POSITION_LEN 16
1057
1058 /**
1059 * struct ieee80211_tpc_report_ie
1060 *
1061 * This structure refers to "TPC Report element"
1062 */
1063 struct ieee80211_tpc_report_ie {
1064 u8 tx_power;
1065 u8 link_margin;
1066 } __packed;
1067
1068 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1069 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1070 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1071 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1072 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1073
1074 struct ieee80211_addba_ext_ie {
1075 u8 data;
1076 } __packed;
1077
1078 /**
1079 * struct ieee80211_s1g_bcn_compat_ie
1080 *
1081 * S1G Beacon Compatibility element
1082 */
1083 struct ieee80211_s1g_bcn_compat_ie {
1084 __le16 compat_info;
1085 __le16 beacon_int;
1086 __le32 tsf_completion;
1087 } __packed;
1088
1089 /**
1090 * struct ieee80211_s1g_oper_ie
1091 *
1092 * S1G Operation element
1093 */
1094 struct ieee80211_s1g_oper_ie {
1095 u8 ch_width;
1096 u8 oper_class;
1097 u8 primary_ch;
1098 u8 oper_ch;
1099 __le16 basic_mcs_nss;
1100 } __packed;
1101
1102 /**
1103 * struct ieee80211_aid_response_ie
1104 *
1105 * AID Response element
1106 */
1107 struct ieee80211_aid_response_ie {
1108 __le16 aid;
1109 u8 switch_count;
1110 __le16 response_int;
1111 } __packed;
1112
1113 struct ieee80211_s1g_cap {
1114 u8 capab_info[10];
1115 u8 supp_mcs_nss[5];
1116 } __packed;
1117
1118 struct ieee80211_ext {
1119 __le16 frame_control;
1120 __le16 duration;
1121 union {
1122 struct {
1123 u8 sa[ETH_ALEN];
1124 __le32 timestamp;
1125 u8 change_seq;
1126 u8 variable[0];
1127 } __packed s1g_beacon;
1128 struct {
1129 u8 sa[ETH_ALEN];
1130 __le32 timestamp;
1131 u8 change_seq;
1132 u8 next_tbtt[3];
1133 u8 variable[0];
1134 } __packed s1g_short_beacon;
1135 } u;
1136 } __packed __aligned(2);
1137
1138 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1139 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1140 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1141 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1142 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1143
1144 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1145 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1146 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1147 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1148 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1149 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1150 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1151 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1152
1153 enum ieee80211_twt_setup_cmd {
1154 TWT_SETUP_CMD_REQUEST,
1155 TWT_SETUP_CMD_SUGGEST,
1156 TWT_SETUP_CMD_DEMAND,
1157 TWT_SETUP_CMD_GROUPING,
1158 TWT_SETUP_CMD_ACCEPT,
1159 TWT_SETUP_CMD_ALTERNATE,
1160 TWT_SETUP_CMD_DICTATE,
1161 TWT_SETUP_CMD_REJECT,
1162 };
1163
1164 struct ieee80211_twt_params {
1165 __le16 req_type;
1166 __le64 twt;
1167 u8 min_twt_dur;
1168 __le16 mantissa;
1169 u8 channel;
1170 } __packed;
1171
1172 struct ieee80211_twt_setup {
1173 u8 dialog_token;
1174 u8 element_id;
1175 u8 length;
1176 u8 control;
1177 u8 params[];
1178 } __packed;
1179
1180 struct ieee80211_mgmt {
1181 __le16 frame_control;
1182 __le16 duration;
1183 u8 da[ETH_ALEN];
1184 u8 sa[ETH_ALEN];
1185 u8 bssid[ETH_ALEN];
1186 __le16 seq_ctrl;
1187 union {
1188 struct {
1189 __le16 auth_alg;
1190 __le16 auth_transaction;
1191 __le16 status_code;
1192 /* possibly followed by Challenge text */
1193 u8 variable[];
1194 } __packed auth;
1195 struct {
1196 __le16 reason_code;
1197 } __packed deauth;
1198 struct {
1199 __le16 capab_info;
1200 __le16 listen_interval;
1201 /* followed by SSID and Supported rates */
1202 u8 variable[];
1203 } __packed assoc_req;
1204 struct {
1205 __le16 capab_info;
1206 __le16 status_code;
1207 __le16 aid;
1208 /* followed by Supported rates */
1209 u8 variable[];
1210 } __packed assoc_resp, reassoc_resp;
1211 struct {
1212 __le16 capab_info;
1213 __le16 status_code;
1214 u8 variable[];
1215 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1216 struct {
1217 __le16 capab_info;
1218 __le16 listen_interval;
1219 u8 current_ap[ETH_ALEN];
1220 /* followed by SSID and Supported rates */
1221 u8 variable[];
1222 } __packed reassoc_req;
1223 struct {
1224 __le16 reason_code;
1225 } __packed disassoc;
1226 struct {
1227 __le64 timestamp;
1228 __le16 beacon_int;
1229 __le16 capab_info;
1230 /* followed by some of SSID, Supported rates,
1231 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1232 u8 variable[];
1233 } __packed beacon;
1234 struct {
1235 /* only variable items: SSID, Supported rates */
1236 DECLARE_FLEX_ARRAY(u8, variable);
1237 } __packed probe_req;
1238 struct {
1239 __le64 timestamp;
1240 __le16 beacon_int;
1241 __le16 capab_info;
1242 /* followed by some of SSID, Supported rates,
1243 * FH Params, DS Params, CF Params, IBSS Params */
1244 u8 variable[];
1245 } __packed probe_resp;
1246 struct {
1247 u8 category;
1248 union {
1249 struct {
1250 u8 action_code;
1251 u8 dialog_token;
1252 u8 status_code;
1253 u8 variable[];
1254 } __packed wme_action;
1255 struct{
1256 u8 action_code;
1257 u8 variable[];
1258 } __packed chan_switch;
1259 struct{
1260 u8 action_code;
1261 struct ieee80211_ext_chansw_ie data;
1262 u8 variable[];
1263 } __packed ext_chan_switch;
1264 struct{
1265 u8 action_code;
1266 u8 dialog_token;
1267 u8 element_id;
1268 u8 length;
1269 struct ieee80211_msrment_ie msr_elem;
1270 } __packed measurement;
1271 struct{
1272 u8 action_code;
1273 u8 dialog_token;
1274 __le16 capab;
1275 __le16 timeout;
1276 __le16 start_seq_num;
1277 /* followed by BA Extension */
1278 u8 variable[];
1279 } __packed addba_req;
1280 struct{
1281 u8 action_code;
1282 u8 dialog_token;
1283 __le16 status;
1284 __le16 capab;
1285 __le16 timeout;
1286 } __packed addba_resp;
1287 struct{
1288 u8 action_code;
1289 __le16 params;
1290 __le16 reason_code;
1291 } __packed delba;
1292 struct {
1293 u8 action_code;
1294 u8 variable[];
1295 } __packed self_prot;
1296 struct{
1297 u8 action_code;
1298 u8 variable[];
1299 } __packed mesh_action;
1300 struct {
1301 u8 action;
1302 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1303 } __packed sa_query;
1304 struct {
1305 u8 action;
1306 u8 smps_control;
1307 } __packed ht_smps;
1308 struct {
1309 u8 action_code;
1310 u8 chanwidth;
1311 } __packed ht_notify_cw;
1312 struct {
1313 u8 action_code;
1314 u8 dialog_token;
1315 __le16 capability;
1316 u8 variable[0];
1317 } __packed tdls_discover_resp;
1318 struct {
1319 u8 action_code;
1320 u8 operating_mode;
1321 } __packed vht_opmode_notif;
1322 struct {
1323 u8 action_code;
1324 u8 membership[WLAN_MEMBERSHIP_LEN];
1325 u8 position[WLAN_USER_POSITION_LEN];
1326 } __packed vht_group_notif;
1327 struct {
1328 u8 action_code;
1329 u8 dialog_token;
1330 u8 tpc_elem_id;
1331 u8 tpc_elem_length;
1332 struct ieee80211_tpc_report_ie tpc;
1333 } __packed tpc_report;
1334 struct {
1335 u8 action_code;
1336 u8 dialog_token;
1337 u8 follow_up;
1338 u8 tod[6];
1339 u8 toa[6];
1340 __le16 tod_error;
1341 __le16 toa_error;
1342 u8 variable[];
1343 } __packed ftm;
1344 struct {
1345 u8 action_code;
1346 u8 variable[];
1347 } __packed s1g;
1348 struct {
1349 u8 action_code;
1350 u8 dialog_token;
1351 u8 follow_up;
1352 u32 tod;
1353 u32 toa;
1354 u8 max_tod_error;
1355 u8 max_toa_error;
1356 } __packed wnm_timing_msr;
1357 } u;
1358 } __packed action;
1359 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1360 } u;
1361 } __packed __aligned(2);
1362
1363 /* Supported rates membership selectors */
1364 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1365 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1366 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1367 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1368
1369 /* mgmt header + 1 byte category code */
1370 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1371
1372
1373 /* Management MIC information element (IEEE 802.11w) */
1374 struct ieee80211_mmie {
1375 u8 element_id;
1376 u8 length;
1377 __le16 key_id;
1378 u8 sequence_number[6];
1379 u8 mic[8];
1380 } __packed;
1381
1382 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1383 struct ieee80211_mmie_16 {
1384 u8 element_id;
1385 u8 length;
1386 __le16 key_id;
1387 u8 sequence_number[6];
1388 u8 mic[16];
1389 } __packed;
1390
1391 struct ieee80211_vendor_ie {
1392 u8 element_id;
1393 u8 len;
1394 u8 oui[3];
1395 u8 oui_type;
1396 } __packed;
1397
1398 struct ieee80211_wmm_ac_param {
1399 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1400 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1401 __le16 txop_limit;
1402 } __packed;
1403
1404 struct ieee80211_wmm_param_ie {
1405 u8 element_id; /* Element ID: 221 (0xdd); */
1406 u8 len; /* Length: 24 */
1407 /* required fields for WMM version 1 */
1408 u8 oui[3]; /* 00:50:f2 */
1409 u8 oui_type; /* 2 */
1410 u8 oui_subtype; /* 1 */
1411 u8 version; /* 1 for WMM version 1.0 */
1412 u8 qos_info; /* AP/STA specific QoS info */
1413 u8 reserved; /* 0 */
1414 /* AC_BE, AC_BK, AC_VI, AC_VO */
1415 struct ieee80211_wmm_ac_param ac[4];
1416 } __packed;
1417
1418 /* Control frames */
1419 struct ieee80211_rts {
1420 __le16 frame_control;
1421 __le16 duration;
1422 u8 ra[ETH_ALEN];
1423 u8 ta[ETH_ALEN];
1424 } __packed __aligned(2);
1425
1426 struct ieee80211_cts {
1427 __le16 frame_control;
1428 __le16 duration;
1429 u8 ra[ETH_ALEN];
1430 } __packed __aligned(2);
1431
1432 struct ieee80211_pspoll {
1433 __le16 frame_control;
1434 __le16 aid;
1435 u8 bssid[ETH_ALEN];
1436 u8 ta[ETH_ALEN];
1437 } __packed __aligned(2);
1438
1439 /* TDLS */
1440
1441 /* Channel switch timing */
1442 struct ieee80211_ch_switch_timing {
1443 __le16 switch_time;
1444 __le16 switch_timeout;
1445 } __packed;
1446
1447 /* Link-id information element */
1448 struct ieee80211_tdls_lnkie {
1449 u8 ie_type; /* Link Identifier IE */
1450 u8 ie_len;
1451 u8 bssid[ETH_ALEN];
1452 u8 init_sta[ETH_ALEN];
1453 u8 resp_sta[ETH_ALEN];
1454 } __packed;
1455
1456 struct ieee80211_tdls_data {
1457 u8 da[ETH_ALEN];
1458 u8 sa[ETH_ALEN];
1459 __be16 ether_type;
1460 u8 payload_type;
1461 u8 category;
1462 u8 action_code;
1463 union {
1464 struct {
1465 u8 dialog_token;
1466 __le16 capability;
1467 u8 variable[0];
1468 } __packed setup_req;
1469 struct {
1470 __le16 status_code;
1471 u8 dialog_token;
1472 __le16 capability;
1473 u8 variable[0];
1474 } __packed setup_resp;
1475 struct {
1476 __le16 status_code;
1477 u8 dialog_token;
1478 u8 variable[0];
1479 } __packed setup_cfm;
1480 struct {
1481 __le16 reason_code;
1482 u8 variable[0];
1483 } __packed teardown;
1484 struct {
1485 u8 dialog_token;
1486 u8 variable[0];
1487 } __packed discover_req;
1488 struct {
1489 u8 target_channel;
1490 u8 oper_class;
1491 u8 variable[0];
1492 } __packed chan_switch_req;
1493 struct {
1494 __le16 status_code;
1495 u8 variable[0];
1496 } __packed chan_switch_resp;
1497 } u;
1498 } __packed;
1499
1500 /*
1501 * Peer-to-Peer IE attribute related definitions.
1502 */
1503 /**
1504 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1505 */
1506 enum ieee80211_p2p_attr_id {
1507 IEEE80211_P2P_ATTR_STATUS = 0,
1508 IEEE80211_P2P_ATTR_MINOR_REASON,
1509 IEEE80211_P2P_ATTR_CAPABILITY,
1510 IEEE80211_P2P_ATTR_DEVICE_ID,
1511 IEEE80211_P2P_ATTR_GO_INTENT,
1512 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1513 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1514 IEEE80211_P2P_ATTR_GROUP_BSSID,
1515 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1516 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1517 IEEE80211_P2P_ATTR_MANAGABILITY,
1518 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1519 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1520 IEEE80211_P2P_ATTR_DEVICE_INFO,
1521 IEEE80211_P2P_ATTR_GROUP_INFO,
1522 IEEE80211_P2P_ATTR_GROUP_ID,
1523 IEEE80211_P2P_ATTR_INTERFACE,
1524 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1525 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1526 /* 19 - 220: Reserved */
1527 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1528
1529 IEEE80211_P2P_ATTR_MAX
1530 };
1531
1532 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1533 /* Typical max value used here */
1534 #define IEEE80211_P2P_NOA_DESC_MAX 4
1535
1536 struct ieee80211_p2p_noa_desc {
1537 u8 count;
1538 __le32 duration;
1539 __le32 interval;
1540 __le32 start_time;
1541 } __packed;
1542
1543 struct ieee80211_p2p_noa_attr {
1544 u8 index;
1545 u8 oppps_ctwindow;
1546 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1547 } __packed;
1548
1549 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1550 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1551
1552 /**
1553 * struct ieee80211_bar - HT Block Ack Request
1554 *
1555 * This structure refers to "HT BlockAckReq" as
1556 * described in 802.11n draft section 7.2.1.7.1
1557 */
1558 struct ieee80211_bar {
1559 __le16 frame_control;
1560 __le16 duration;
1561 __u8 ra[ETH_ALEN];
1562 __u8 ta[ETH_ALEN];
1563 __le16 control;
1564 __le16 start_seq_num;
1565 } __packed;
1566
1567 /* 802.11 BAR control masks */
1568 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1569 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1570 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1571 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1572 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1573
1574 #define IEEE80211_HT_MCS_MASK_LEN 10
1575
1576 /**
1577 * struct ieee80211_mcs_info - MCS information
1578 * @rx_mask: RX mask
1579 * @rx_highest: highest supported RX rate. If set represents
1580 * the highest supported RX data rate in units of 1 Mbps.
1581 * If this field is 0 this value should not be used to
1582 * consider the highest RX data rate supported.
1583 * @tx_params: TX parameters
1584 */
1585 struct ieee80211_mcs_info {
1586 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1587 __le16 rx_highest;
1588 u8 tx_params;
1589 u8 reserved[3];
1590 } __packed;
1591
1592 /* 802.11n HT capability MSC set */
1593 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1594 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1595 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1596 /* value 0 == 1 stream etc */
1597 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1598 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1599 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1600 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1601
1602 /*
1603 * 802.11n D5.0 20.3.5 / 20.6 says:
1604 * - indices 0 to 7 and 32 are single spatial stream
1605 * - 8 to 31 are multiple spatial streams using equal modulation
1606 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1607 * - remainder are multiple spatial streams using unequal modulation
1608 */
1609 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1610 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1611 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1612
1613 /**
1614 * struct ieee80211_ht_cap - HT capabilities
1615 *
1616 * This structure is the "HT capabilities element" as
1617 * described in 802.11n D5.0 7.3.2.57
1618 */
1619 struct ieee80211_ht_cap {
1620 __le16 cap_info;
1621 u8 ampdu_params_info;
1622
1623 /* 16 bytes MCS information */
1624 struct ieee80211_mcs_info mcs;
1625
1626 __le16 extended_ht_cap_info;
1627 __le32 tx_BF_cap_info;
1628 u8 antenna_selection_info;
1629 } __packed;
1630
1631 /* 802.11n HT capabilities masks (for cap_info) */
1632 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1633 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1634 #define IEEE80211_HT_CAP_SM_PS 0x000C
1635 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1636 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1637 #define IEEE80211_HT_CAP_SGI_20 0x0020
1638 #define IEEE80211_HT_CAP_SGI_40 0x0040
1639 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1640 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1641 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1642 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1643 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1644 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1645 #define IEEE80211_HT_CAP_RESERVED 0x2000
1646 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1647 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1648
1649 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1650 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1651 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1652 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1653 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1654 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1655 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1656 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1657
1658 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1659 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1660 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1661 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1662
1663 /*
1664 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1665 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1666 */
1667 enum ieee80211_max_ampdu_length_exp {
1668 IEEE80211_HT_MAX_AMPDU_8K = 0,
1669 IEEE80211_HT_MAX_AMPDU_16K = 1,
1670 IEEE80211_HT_MAX_AMPDU_32K = 2,
1671 IEEE80211_HT_MAX_AMPDU_64K = 3
1672 };
1673
1674 /*
1675 * Maximum length of AMPDU that the STA can receive in VHT.
1676 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1677 */
1678 enum ieee80211_vht_max_ampdu_length_exp {
1679 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1680 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1681 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1682 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1683 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1684 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1685 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1686 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1687 };
1688
1689 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1690
1691 /* Minimum MPDU start spacing */
1692 enum ieee80211_min_mpdu_spacing {
1693 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1694 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1695 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1696 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1697 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1698 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1699 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1700 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1701 };
1702
1703 /**
1704 * struct ieee80211_ht_operation - HT operation IE
1705 *
1706 * This structure is the "HT operation element" as
1707 * described in 802.11n-2009 7.3.2.57
1708 */
1709 struct ieee80211_ht_operation {
1710 u8 primary_chan;
1711 u8 ht_param;
1712 __le16 operation_mode;
1713 __le16 stbc_param;
1714 u8 basic_set[16];
1715 } __packed;
1716
1717 /* for ht_param */
1718 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1719 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1720 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1721 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1722 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1723 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1724
1725 /* for operation_mode */
1726 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1727 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1728 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1729 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1730 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1731 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1732 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1733 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1734 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1735
1736 /* for stbc_param */
1737 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1738 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1739 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1740 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1741 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1742 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1743
1744
1745 /* block-ack parameters */
1746 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1747 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1748 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1749 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1750 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1751 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1752
1753 /*
1754 * A-MPDU buffer sizes
1755 * According to HT size varies from 8 to 64 frames
1756 * HE adds the ability to have up to 256 frames.
1757 * EHT adds the ability to have up to 1K frames.
1758 */
1759 #define IEEE80211_MIN_AMPDU_BUF 0x8
1760 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1761 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1762 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1763
1764
1765 /* Spatial Multiplexing Power Save Modes (for capability) */
1766 #define WLAN_HT_CAP_SM_PS_STATIC 0
1767 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1768 #define WLAN_HT_CAP_SM_PS_INVALID 2
1769 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1770
1771 /* for SM power control field lower two bits */
1772 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1773 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1774 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1775
1776 /**
1777 * struct ieee80211_vht_mcs_info - VHT MCS information
1778 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1779 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1780 * STA can receive. Rate expressed in units of 1 Mbps.
1781 * If this field is 0 this value should not be used to
1782 * consider the highest RX data rate supported.
1783 * The top 3 bits of this field indicate the Maximum NSTS,total
1784 * (a beamformee capability.)
1785 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1786 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1787 * STA can transmit. Rate expressed in units of 1 Mbps.
1788 * If this field is 0 this value should not be used to
1789 * consider the highest TX data rate supported.
1790 * The top 2 bits of this field are reserved, the
1791 * 3rd bit from the top indiciates VHT Extended NSS BW
1792 * Capability.
1793 */
1794 struct ieee80211_vht_mcs_info {
1795 __le16 rx_mcs_map;
1796 __le16 rx_highest;
1797 __le16 tx_mcs_map;
1798 __le16 tx_highest;
1799 } __packed;
1800
1801 /* for rx_highest */
1802 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1803 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1804
1805 /* for tx_highest */
1806 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1807
1808 /**
1809 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1810 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1811 * number of streams
1812 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1813 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1814 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1815 *
1816 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1817 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1818 * both split into 8 subfields by number of streams. These values indicate
1819 * which MCSes are supported for the number of streams the value appears
1820 * for.
1821 */
1822 enum ieee80211_vht_mcs_support {
1823 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1824 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1825 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1826 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1827 };
1828
1829 /**
1830 * struct ieee80211_vht_cap - VHT capabilities
1831 *
1832 * This structure is the "VHT capabilities element" as
1833 * described in 802.11ac D3.0 8.4.2.160
1834 * @vht_cap_info: VHT capability info
1835 * @supp_mcs: VHT MCS supported rates
1836 */
1837 struct ieee80211_vht_cap {
1838 __le32 vht_cap_info;
1839 struct ieee80211_vht_mcs_info supp_mcs;
1840 } __packed;
1841
1842 /**
1843 * enum ieee80211_vht_chanwidth - VHT channel width
1844 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1845 * determine the channel width (20 or 40 MHz)
1846 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1847 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1848 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1849 */
1850 enum ieee80211_vht_chanwidth {
1851 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1852 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1853 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1854 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1855 };
1856
1857 /**
1858 * struct ieee80211_vht_operation - VHT operation IE
1859 *
1860 * This structure is the "VHT operation element" as
1861 * described in 802.11ac D3.0 8.4.2.161
1862 * @chan_width: Operating channel width
1863 * @center_freq_seg0_idx: center freq segment 0 index
1864 * @center_freq_seg1_idx: center freq segment 1 index
1865 * @basic_mcs_set: VHT Basic MCS rate set
1866 */
1867 struct ieee80211_vht_operation {
1868 u8 chan_width;
1869 u8 center_freq_seg0_idx;
1870 u8 center_freq_seg1_idx;
1871 __le16 basic_mcs_set;
1872 } __packed;
1873
1874 /**
1875 * struct ieee80211_he_cap_elem - HE capabilities element
1876 *
1877 * This structure is the "HE capabilities element" fixed fields as
1878 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1879 */
1880 struct ieee80211_he_cap_elem {
1881 u8 mac_cap_info[6];
1882 u8 phy_cap_info[11];
1883 } __packed;
1884
1885 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1886
1887 /**
1888 * enum ieee80211_he_mcs_support - HE MCS support definitions
1889 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1890 * number of streams
1891 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1892 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1893 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1894 *
1895 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1896 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1897 * both split into 8 subfields by number of streams. These values indicate
1898 * which MCSes are supported for the number of streams the value appears
1899 * for.
1900 */
1901 enum ieee80211_he_mcs_support {
1902 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1903 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1904 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1905 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1906 };
1907
1908 /**
1909 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1910 *
1911 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1912 * described in P802.11ax_D2.0 section 9.4.2.237.4
1913 *
1914 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1915 * widths less than 80MHz.
1916 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1917 * widths less than 80MHz.
1918 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1919 * width 160MHz.
1920 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1921 * width 160MHz.
1922 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1923 * channel width 80p80MHz.
1924 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1925 * channel width 80p80MHz.
1926 */
1927 struct ieee80211_he_mcs_nss_supp {
1928 __le16 rx_mcs_80;
1929 __le16 tx_mcs_80;
1930 __le16 rx_mcs_160;
1931 __le16 tx_mcs_160;
1932 __le16 rx_mcs_80p80;
1933 __le16 tx_mcs_80p80;
1934 } __packed;
1935
1936 /**
1937 * struct ieee80211_he_operation - HE capabilities element
1938 *
1939 * This structure is the "HE operation element" fields as
1940 * described in P802.11ax_D4.0 section 9.4.2.243
1941 */
1942 struct ieee80211_he_operation {
1943 __le32 he_oper_params;
1944 __le16 he_mcs_nss_set;
1945 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1946 u8 optional[];
1947 } __packed;
1948
1949 /**
1950 * struct ieee80211_he_spr - HE spatial reuse element
1951 *
1952 * This structure is the "HE spatial reuse element" element as
1953 * described in P802.11ax_D4.0 section 9.4.2.241
1954 */
1955 struct ieee80211_he_spr {
1956 u8 he_sr_control;
1957 /* Optional 0 to 19 bytes: depends on @he_sr_control */
1958 u8 optional[];
1959 } __packed;
1960
1961 /**
1962 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1963 *
1964 * This structure is the "MU AC Parameter Record" fields as
1965 * described in P802.11ax_D4.0 section 9.4.2.245
1966 */
1967 struct ieee80211_he_mu_edca_param_ac_rec {
1968 u8 aifsn;
1969 u8 ecw_min_max;
1970 u8 mu_edca_timer;
1971 } __packed;
1972
1973 /**
1974 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1975 *
1976 * This structure is the "MU EDCA Parameter Set element" fields as
1977 * described in P802.11ax_D4.0 section 9.4.2.245
1978 */
1979 struct ieee80211_mu_edca_param_set {
1980 u8 mu_qos_info;
1981 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1982 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1983 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1984 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1985 } __packed;
1986
1987 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
1988 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
1989
1990 /**
1991 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
1992 * supported NSS for per MCS.
1993 *
1994 * For each field below, bits 0 - 3 indicate the maximal number of spatial
1995 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
1996 * for Tx.
1997 *
1998 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
1999 * supported for reception and the maximum number of spatial streams
2000 * supported for transmission for MCS 0 - 7.
2001 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2002 * supported for reception and the maximum number of spatial streams
2003 * supported for transmission for MCS 8 - 9.
2004 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2005 * supported for reception and the maximum number of spatial streams
2006 * supported for transmission for MCS 10 - 11.
2007 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2008 * supported for reception and the maximum number of spatial streams
2009 * supported for transmission for MCS 12 - 13.
2010 */
2011 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2012 u8 rx_tx_mcs7_max_nss;
2013 u8 rx_tx_mcs9_max_nss;
2014 u8 rx_tx_mcs11_max_nss;
2015 u8 rx_tx_mcs13_max_nss;
2016 };
2017
2018 /**
2019 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2020 * 20MHz only stations).
2021 *
2022 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2023 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2024 * for Tx.
2025 *
2026 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2027 * supported for reception and the maximum number of spatial streams
2028 * supported for transmission for MCS 0 - 9.
2029 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2030 * supported for reception and the maximum number of spatial streams
2031 * supported for transmission for MCS 10 - 11.
2032 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2033 * supported for reception and the maximum number of spatial streams
2034 * supported for transmission for MCS 12 - 13.
2035 */
2036 struct ieee80211_eht_mcs_nss_supp_bw {
2037 u8 rx_tx_mcs9_max_nss;
2038 u8 rx_tx_mcs11_max_nss;
2039 u8 rx_tx_mcs13_max_nss;
2040 };
2041
2042 /**
2043 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2044 *
2045 * This structure is the "EHT Capabilities element" fixed fields as
2046 * described in P802.11be_D2.0 section 9.4.2.313.
2047 *
2048 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2049 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2050 */
2051 struct ieee80211_eht_cap_elem_fixed {
2052 u8 mac_cap_info[2];
2053 u8 phy_cap_info[9];
2054 } __packed;
2055
2056 /**
2057 * struct ieee80211_eht_cap_elem - EHT capabilities element
2058 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2059 * @optional: optional parts
2060 */
2061 struct ieee80211_eht_cap_elem {
2062 struct ieee80211_eht_cap_elem_fixed fixed;
2063
2064 /*
2065 * Followed by:
2066 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2067 * EHT PPE Thresholds field: variable length.
2068 */
2069 u8 optional[];
2070 } __packed;
2071
2072 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2073 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2074 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2075 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2076 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2077
2078 /**
2079 * struct ieee80211_eht_operation - eht operation element
2080 *
2081 * This structure is the "EHT Operation Element" fields as
2082 * described in P802.11be_D2.0 section 9.4.2.311
2083 *
2084 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2085 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2086 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2087 * receive.
2088 * @optional: optional parts
2089 */
2090 struct ieee80211_eht_operation {
2091 u8 params;
2092 __le32 basic_mcs_nss;
2093 u8 optional[];
2094 } __packed;
2095
2096 /**
2097 * struct ieee80211_eht_operation_info - eht operation information
2098 *
2099 * @control: EHT operation information control.
2100 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2101 * EHT BSS.
2102 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2103 * @optional: optional parts
2104 */
2105 struct ieee80211_eht_operation_info {
2106 u8 control;
2107 u8 ccfs0;
2108 u8 ccfs1;
2109 u8 optional[];
2110 } __packed;
2111
2112 /* 802.11ac VHT Capabilities */
2113 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2114 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2115 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2116 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2117 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2118 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2119 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2120 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2121 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2122 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2123 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2124 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2125 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2126 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2127 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2128 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2129 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2130 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2131 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2132 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2133 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2134 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2135 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2136 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2137 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2138 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2139 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2140 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2141 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2142 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2143 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2144 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2145 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2146 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2147 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2148 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2149 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2150 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2151 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2152
2153 /**
2154 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2155 * @cap: VHT capabilities of the peer
2156 * @bw: bandwidth to use
2157 * @mcs: MCS index to use
2158 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2159 * (rate scaling algorithm) can deal with the new logic
2160 * (dot11VHTExtendedNSSBWCapable)
2161 * @max_vht_nss: current maximum NSS as advertised by the STA in
2162 * operating mode notification, can be 0 in which case the
2163 * capability data will be used to derive this (from MCS support)
2164 *
2165 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2166 * vary for a given BW/MCS. This function parses the data.
2167 *
2168 * Note: This function is exported by cfg80211.
2169 */
2170 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2171 enum ieee80211_vht_chanwidth bw,
2172 int mcs, bool ext_nss_bw_capable,
2173 unsigned int max_vht_nss);
2174
2175 /**
2176 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2177 *
2178 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2179 * @IEEE80211_REG_LPI: Indoor Access Point
2180 * @IEEE80211_REG_SP: Standard power Access Point
2181 * @IEEE80211_REG_VLP: Very low power Access Point
2182 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2183 * @IEEE80211_REG_AP_POWER_MAX: maximum value
2184 */
2185 enum ieee80211_ap_reg_power {
2186 IEEE80211_REG_UNSET_AP,
2187 IEEE80211_REG_LPI_AP,
2188 IEEE80211_REG_SP_AP,
2189 IEEE80211_REG_VLP_AP,
2190 IEEE80211_REG_AP_POWER_AFTER_LAST,
2191 IEEE80211_REG_AP_POWER_MAX =
2192 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2193 };
2194
2195 /**
2196 * enum ieee80211_client_reg_power - regulatory power for a client
2197 *
2198 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2199 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2200 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2201 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2202 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2203 */
2204 enum ieee80211_client_reg_power {
2205 IEEE80211_REG_UNSET_CLIENT,
2206 IEEE80211_REG_DEFAULT_CLIENT,
2207 IEEE80211_REG_SUBORDINATE_CLIENT,
2208 IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2209 IEEE80211_REG_CLIENT_POWER_MAX =
2210 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2211 };
2212
2213 /* 802.11ax HE MAC capabilities */
2214 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2215 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2216 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2217 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2218 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2219 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2220 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2221 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2222 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2223 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2224 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2225 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2226 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2227 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2228 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2229 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2230 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2231
2232 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2233 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2234 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2235 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2236 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2237 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2238 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2239 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2240 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2241 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2242 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2243 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2244 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2245 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2246 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2247 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2248 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2249 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2250
2251 /* Link adaptation is split between byte HE_MAC_CAP1 and
2252 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2253 * in which case the following values apply:
2254 * 0 = No feedback.
2255 * 1 = reserved.
2256 * 2 = Unsolicited feedback.
2257 * 3 = both
2258 */
2259 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2260
2261 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2262 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2263 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2264 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2265 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2266 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2267 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2268 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2269
2270 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2271 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2272
2273 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2274 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2275 * same field in the HE capabilities.
2276 */
2277 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2278 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2279 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2280 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2281 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2282 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2283 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2284 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2285
2286 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2287 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2288 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2289 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2290 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2291 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2292 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2293 /* Multi TID agg TX is split between byte #4 and #5
2294 * The value is a combination of B39,B40,B41
2295 */
2296 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2297
2298 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2299 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2300 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2301 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2302 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2303 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2304 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2305 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2306
2307 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2308 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2309 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2310
2311 /* 802.11ax HE PHY capabilities */
2312 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2313 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2314 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2315 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2316 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2317
2318 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2319 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2320 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2321
2322 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2323 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2324 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2325 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2326 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2327 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2328 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2329 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2330 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2331 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2332
2333 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2334 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2335 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2336 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2337 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2338 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2339
2340 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2341 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2342 * case it indicates support for Tx.
2343 */
2344 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2345 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2346
2347 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2348 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2349 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2350 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2351 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2352 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2353 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2354 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2355 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2356 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2357 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2358 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2359 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2360 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2361 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2362 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2363
2364 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2365 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2366
2367 /* Minimal allowed value of Max STS under 80MHz is 3 */
2368 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2369 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2370 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2371 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2372 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2373 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2374
2375 /* Minimal allowed value of Max STS above 80MHz is 3 */
2376 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2377 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2378 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2379 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2380 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2381 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2382
2383 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2384 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2385 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2386 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2387 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2388 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2389 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2390 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2391 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2392
2393 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2394 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2395 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2396 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2397 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2398 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2399 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2400 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2401 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2402
2403 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2404 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2405
2406 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2407 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2408 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2409 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2410 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2411 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2412 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2413 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2414
2415 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2416 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2417 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2418 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2419 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2420 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2421 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2422 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2423 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2424 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2425 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2426 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2427 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2428
2429 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2430 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2431 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2432 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2433 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2434 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2435 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2436 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2437 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2438 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2439 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2440
2441 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2442 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2443 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2444 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2445 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2446 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2447 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2448 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2449 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2450 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2451 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2452 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2453
2454 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2455
2456 /* 802.11ax HE TX/RX MCS NSS Support */
2457 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2458 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2459 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2460 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2461 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2462
2463 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2464 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2465 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2466 HIGHEST_MCS_SUPPORTED_MCS8,
2467 HIGHEST_MCS_SUPPORTED_MCS9,
2468 HIGHEST_MCS_SUPPORTED_MCS10,
2469 HIGHEST_MCS_SUPPORTED_MCS11,
2470 };
2471
2472 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2473 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2474 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2475 {
2476 u8 count = 4;
2477
2478 if (he_cap->phy_cap_info[0] &
2479 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2480 count += 4;
2481
2482 if (he_cap->phy_cap_info[0] &
2483 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2484 count += 4;
2485
2486 return count;
2487 }
2488
2489 /* 802.11ax HE PPE Thresholds */
2490 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2491 #define IEEE80211_PPE_THRES_NSS_POS (0)
2492 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2493 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2494 (BIT(5) | BIT(6))
2495 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2496 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2497 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2498 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2499
2500 /*
2501 * Calculate 802.11ax HE capabilities IE PPE field size
2502 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2503 */
2504 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2505 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2506 {
2507 u8 n;
2508
2509 if ((phy_cap_info[6] &
2510 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2511 return 0;
2512
2513 n = hweight8(ppe_thres_hdr &
2514 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2515 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2516 IEEE80211_PPE_THRES_NSS_POS));
2517
2518 /*
2519 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2520 * total size.
2521 */
2522 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2523 n = DIV_ROUND_UP(n, 8);
2524
2525 return n;
2526 }
2527
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2528 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2529 {
2530 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2531 u8 needed = sizeof(*he_cap_ie_elem);
2532
2533 if (len < needed)
2534 return false;
2535
2536 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2537 if (len < needed)
2538 return false;
2539
2540 if (he_cap_ie_elem->phy_cap_info[6] &
2541 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2542 if (len < needed + 1)
2543 return false;
2544 needed += ieee80211_he_ppe_size(data[needed],
2545 he_cap_ie_elem->phy_cap_info);
2546 }
2547
2548 return len >= needed;
2549 }
2550
2551 /* HE Operation defines */
2552 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2553 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2554 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2555 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2556 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2557 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2558 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2559 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2560 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2561 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2562 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2563 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2564
2565 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2566 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2567
2568 /**
2569 * ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2570 * @primary: primary channel
2571 * @control: control flags
2572 * @ccfs0: channel center frequency segment 0
2573 * @ccfs1: channel center frequency segment 1
2574 * @minrate: minimum rate (in 1 Mbps units)
2575 */
2576 struct ieee80211_he_6ghz_oper {
2577 u8 primary;
2578 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2579 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2580 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2581 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2582 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2583 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2584 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2585 u8 control;
2586 u8 ccfs0;
2587 u8 ccfs1;
2588 u8 minrate;
2589 } __packed;
2590
2591 /*
2592 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2593 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2594 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2595 * Info subfield encoding in the United States".
2596 * So it it totally max 8 Transmit Power Envelope element.
2597 */
2598 #define IEEE80211_TPE_MAX_IE_COUNT 8
2599 /*
2600 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2601 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2602 */
2603 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2604
2605 #define IEEE80211_TPE_MAX_POWER_COUNT 8
2606
2607 /* transmit power interpretation type of transmit power envelope element */
2608 enum ieee80211_tx_power_intrpt_type {
2609 IEEE80211_TPE_LOCAL_EIRP,
2610 IEEE80211_TPE_LOCAL_EIRP_PSD,
2611 IEEE80211_TPE_REG_CLIENT_EIRP,
2612 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2613 };
2614
2615 /**
2616 * struct ieee80211_tx_pwr_env
2617 *
2618 * This structure represents the "Transmit Power Envelope element"
2619 */
2620 struct ieee80211_tx_pwr_env {
2621 u8 tx_power_info;
2622 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2623 } __packed;
2624
2625 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2626 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2627 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2628
2629 /*
2630 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2631 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2632 * after the ext ID byte. It is assumed that he_oper_ie has at least
2633 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2634 * validated this.
2635 * @return the actual size of the IE data (not including header), or 0 on error
2636 */
2637 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2638 ieee80211_he_oper_size(const u8 *he_oper_ie)
2639 {
2640 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2641 u8 oper_len = sizeof(struct ieee80211_he_operation);
2642 u32 he_oper_params;
2643
2644 /* Make sure the input is not NULL */
2645 if (!he_oper_ie)
2646 return 0;
2647
2648 /* Calc required length */
2649 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2650 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2651 oper_len += 3;
2652 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2653 oper_len++;
2654 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2655 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2656
2657 /* Add the first byte (extension ID) to the total length */
2658 oper_len++;
2659
2660 return oper_len;
2661 }
2662
2663 /**
2664 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2665 * @he_oper: HE operation element (must be pre-validated for size)
2666 * but may be %NULL
2667 *
2668 * Return: a pointer to the 6 GHz operation field, or %NULL
2669 */
2670 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2671 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2672 {
2673 const u8 *ret = (const void *)&he_oper->optional;
2674 u32 he_oper_params;
2675
2676 if (!he_oper)
2677 return NULL;
2678
2679 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2680
2681 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2682 return NULL;
2683 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2684 ret += 3;
2685 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2686 ret++;
2687
2688 return (const void *)ret;
2689 }
2690
2691 /* HE Spatial Reuse defines */
2692 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2693 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2694 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2695 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2696 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2697
2698 /*
2699 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2700 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2701 * after the ext ID byte. It is assumed that he_spr_ie has at least
2702 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2703 * this
2704 * @return the actual size of the IE data (not including header), or 0 on error
2705 */
2706 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2707 ieee80211_he_spr_size(const u8 *he_spr_ie)
2708 {
2709 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2710 u8 spr_len = sizeof(struct ieee80211_he_spr);
2711 u8 he_spr_params;
2712
2713 /* Make sure the input is not NULL */
2714 if (!he_spr_ie)
2715 return 0;
2716
2717 /* Calc required length */
2718 he_spr_params = he_spr->he_sr_control;
2719 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2720 spr_len++;
2721 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2722 spr_len += 18;
2723
2724 /* Add the first byte (extension ID) to the total length */
2725 spr_len++;
2726
2727 return spr_len;
2728 }
2729
2730 /* S1G Capabilities Information field */
2731 #define IEEE80211_S1G_CAPABILITY_LEN 15
2732
2733 #define S1G_CAP0_S1G_LONG BIT(0)
2734 #define S1G_CAP0_SGI_1MHZ BIT(1)
2735 #define S1G_CAP0_SGI_2MHZ BIT(2)
2736 #define S1G_CAP0_SGI_4MHZ BIT(3)
2737 #define S1G_CAP0_SGI_8MHZ BIT(4)
2738 #define S1G_CAP0_SGI_16MHZ BIT(5)
2739 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2740
2741 #define S1G_SUPP_CH_WIDTH_2 0
2742 #define S1G_SUPP_CH_WIDTH_4 1
2743 #define S1G_SUPP_CH_WIDTH_8 2
2744 #define S1G_SUPP_CH_WIDTH_16 3
2745 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2746 cap[0])) << 1)
2747
2748 #define S1G_CAP1_RX_LDPC BIT(0)
2749 #define S1G_CAP1_TX_STBC BIT(1)
2750 #define S1G_CAP1_RX_STBC BIT(2)
2751 #define S1G_CAP1_SU_BFER BIT(3)
2752 #define S1G_CAP1_SU_BFEE BIT(4)
2753 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2754
2755 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2756 #define S1G_CAP2_MU_BFER BIT(3)
2757 #define S1G_CAP2_MU_BFEE BIT(4)
2758 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2759 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2760
2761 #define S1G_CAP3_RD_RESPONDER BIT(0)
2762 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2763 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2764 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2765 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2766
2767 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2768 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2769 #define S1G_CAP4_BAT BIT(2)
2770 #define S1G_CAP4_TIME_ADE BIT(3)
2771 #define S1G_CAP4_NON_TIM BIT(4)
2772 #define S1G_CAP4_GROUP_AID BIT(5)
2773 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2774
2775 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2776 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2777 #define S1G_CAP5_AMSDU BIT(2)
2778 #define S1G_CAP5_AMPDU BIT(3)
2779 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2780 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2781 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2782
2783 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2784 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2785 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2786 #define S1G_CAP6_RAW_OPERATION BIT(3)
2787 #define S1G_CAP6_PAGE_SLICING BIT(4)
2788 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2789 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2790
2791 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2792 #define S1G_CAP7_DUP_1MHZ BIT(1)
2793 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2794 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2795 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2796 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2797 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2798 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2799
2800 #define S1G_CAP8_TWT_GROUPING BIT(0)
2801 #define S1G_CAP8_BDT BIT(1)
2802 #define S1G_CAP8_COLOR GENMASK(4, 2)
2803 #define S1G_CAP8_TWT_REQUEST BIT(5)
2804 #define S1G_CAP8_TWT_RESPOND BIT(6)
2805 #define S1G_CAP8_PV1_FRAME BIT(7)
2806
2807 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2808
2809 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2810 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2811
2812 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2813 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
2814 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
2815 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
2816 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
2817 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
2818 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
2819 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
2820 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
2821 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
2822 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
2823
2824 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
2825
2826 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2827 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
2828 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
2829 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
2830 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
2831 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
2832 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
2833
2834 /* EHT beamformee number of spatial streams <= 80MHz is split */
2835 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
2836 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
2837
2838 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
2839 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
2840
2841 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
2842 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
2843
2844 /* EHT number of sounding dimensions for 320MHz is split */
2845 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
2846 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
2847 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
2848 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
2849 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
2850 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
2851 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
2852 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
2853 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
2854
2855 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
2856 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
2857 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
2858 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
2859 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
2860
2861 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
2862 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
2863 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
2864 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
2865 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
2866 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
2867 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
2868 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
2869 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
2870
2871 /* Maximum number of supported EHT LTF is split */
2872 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
2873 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
2874
2875 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
2876 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
2877
2878 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
2879 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
2880 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
2881 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
2882 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
2883 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
2884 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
2885 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
2886
2887 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
2888 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
2889
2890 /*
2891 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
2892 */
2893 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
2894 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
2895 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
2896 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
2897 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
2898 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
2899
2900 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
2901 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)2902 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
2903 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
2904 bool from_ap)
2905 {
2906 u8 count = 0;
2907
2908 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
2909 if (he_cap->phy_cap_info[0] &
2910 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
2911 return 3;
2912
2913 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
2914 if (he_cap->phy_cap_info[0] &
2915 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
2916 count += 3;
2917
2918 if (he_cap->phy_cap_info[0] &
2919 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2920 count += 3;
2921
2922 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
2923 count += 3;
2924
2925 if (count)
2926 return count;
2927
2928 return from_ap ? 3 : 4;
2929 }
2930
2931 /* 802.11be EHT PPE Thresholds */
2932 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
2933 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
2934 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
2935 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
2936 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
2937
2938 /*
2939 * Calculate 802.11be EHT capabilities IE EHT field size
2940 */
2941 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)2942 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
2943 {
2944 u32 n;
2945
2946 if (!(phy_cap_info[5] &
2947 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
2948 return 0;
2949
2950 n = hweight16(ppe_thres_hdr &
2951 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
2952 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
2953
2954 /*
2955 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
2956 * total size.
2957 */
2958 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
2959 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
2960 return DIV_ROUND_UP(n, 8);
2961 }
2962
2963 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)2964 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
2965 bool from_ap)
2966 {
2967 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
2968 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
2969
2970 if (len < needed || !he_capa)
2971 return false;
2972
2973 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
2974 (const void *)data,
2975 from_ap);
2976 if (len < needed)
2977 return false;
2978
2979 if (elem->phy_cap_info[5] &
2980 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
2981 u16 ppe_thres_hdr;
2982
2983 if (len < needed + sizeof(ppe_thres_hdr))
2984 return false;
2985
2986 ppe_thres_hdr = get_unaligned_le16(data + needed);
2987 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
2988 elem->phy_cap_info);
2989 }
2990
2991 return len >= needed;
2992 }
2993
2994 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)2995 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
2996 {
2997 const struct ieee80211_eht_operation *elem = (const void *)data;
2998 u8 needed = sizeof(*elem);
2999
3000 if (len < needed)
3001 return false;
3002
3003 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3004 needed += 3;
3005
3006 if (elem->params &
3007 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3008 needed += 2;
3009 }
3010
3011 return len >= needed;
3012 }
3013
3014 #define LISTEN_INT_USF GENMASK(15, 14)
3015 #define LISTEN_INT_UI GENMASK(13, 0)
3016
3017 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3018 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3019
3020 /* Authentication algorithms */
3021 #define WLAN_AUTH_OPEN 0
3022 #define WLAN_AUTH_SHARED_KEY 1
3023 #define WLAN_AUTH_FT 2
3024 #define WLAN_AUTH_SAE 3
3025 #define WLAN_AUTH_FILS_SK 4
3026 #define WLAN_AUTH_FILS_SK_PFS 5
3027 #define WLAN_AUTH_FILS_PK 6
3028 #define WLAN_AUTH_LEAP 128
3029
3030 #define WLAN_AUTH_CHALLENGE_LEN 128
3031
3032 #define WLAN_CAPABILITY_ESS (1<<0)
3033 #define WLAN_CAPABILITY_IBSS (1<<1)
3034
3035 /*
3036 * A mesh STA sets the ESS and IBSS capability bits to zero.
3037 * however, this holds true for p2p probe responses (in the p2p_find
3038 * phase) as well.
3039 */
3040 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3041 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3042
3043 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3044 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3045 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3046 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3047 #define WLAN_CAPABILITY_PBCC (1<<6)
3048 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3049
3050 /* 802.11h */
3051 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3052 #define WLAN_CAPABILITY_QOS (1<<9)
3053 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3054 #define WLAN_CAPABILITY_APSD (1<<11)
3055 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3056 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3057 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3058 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3059
3060 /* DMG (60gHz) 802.11ad */
3061 /* type - bits 0..1 */
3062 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3063 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3064 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3065 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3066
3067 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3068 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3069 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3070 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3071
3072 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3073 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3074
3075 /* measurement */
3076 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3077 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3078 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3079
3080 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3081 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3082 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3083 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3084 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3085
3086 /* 802.11g ERP information element */
3087 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3088 #define WLAN_ERP_USE_PROTECTION (1<<1)
3089 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3090
3091 /* WLAN_ERP_BARKER_PREAMBLE values */
3092 enum {
3093 WLAN_ERP_PREAMBLE_SHORT = 0,
3094 WLAN_ERP_PREAMBLE_LONG = 1,
3095 };
3096
3097 /* Band ID, 802.11ad #8.4.1.45 */
3098 enum {
3099 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3100 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3101 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3102 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3103 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3104 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3105 };
3106
3107 /* Status codes */
3108 enum ieee80211_statuscode {
3109 WLAN_STATUS_SUCCESS = 0,
3110 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3111 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3112 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3113 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3114 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3115 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3116 WLAN_STATUS_CHALLENGE_FAIL = 15,
3117 WLAN_STATUS_AUTH_TIMEOUT = 16,
3118 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3119 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3120 /* 802.11b */
3121 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3122 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3123 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3124 /* 802.11h */
3125 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3126 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3127 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3128 /* 802.11g */
3129 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3130 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3131 /* 802.11w */
3132 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3133 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3134 /* 802.11i */
3135 WLAN_STATUS_INVALID_IE = 40,
3136 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3137 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3138 WLAN_STATUS_INVALID_AKMP = 43,
3139 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3140 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3141 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3142 /* 802.11e */
3143 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3144 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3145 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3146 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3147 WLAN_STATUS_REQUEST_DECLINED = 37,
3148 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3149 WLAN_STATUS_CHANGE_TSPEC = 39,
3150 WLAN_STATUS_WAIT_TS_DELAY = 47,
3151 WLAN_STATUS_NO_DIRECT_LINK = 48,
3152 WLAN_STATUS_STA_NOT_PRESENT = 49,
3153 WLAN_STATUS_STA_NOT_QSTA = 50,
3154 /* 802.11s */
3155 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3156 WLAN_STATUS_FCG_NOT_SUPP = 78,
3157 WLAN_STATUS_STA_NO_TBTT = 78,
3158 /* 802.11ad */
3159 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3160 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3161 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3162 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3163 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3164 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3165 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3166 WLAN_STATUS_REJECT_DSE_BAND = 96,
3167 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3168 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3169 /* 802.11ai */
3170 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3171 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3172 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3173 WLAN_STATUS_SAE_PK = 127,
3174 };
3175
3176
3177 /* Reason codes */
3178 enum ieee80211_reasoncode {
3179 WLAN_REASON_UNSPECIFIED = 1,
3180 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3181 WLAN_REASON_DEAUTH_LEAVING = 3,
3182 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3183 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3184 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3185 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3186 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3187 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3188 /* 802.11h */
3189 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3190 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3191 /* 802.11i */
3192 WLAN_REASON_INVALID_IE = 13,
3193 WLAN_REASON_MIC_FAILURE = 14,
3194 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3195 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3196 WLAN_REASON_IE_DIFFERENT = 17,
3197 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3198 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3199 WLAN_REASON_INVALID_AKMP = 20,
3200 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3201 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3202 WLAN_REASON_IEEE8021X_FAILED = 23,
3203 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3204 /* TDLS (802.11z) */
3205 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3206 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3207 /* 802.11e */
3208 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3209 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3210 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3211 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3212 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3213 WLAN_REASON_QSTA_NOT_USE = 37,
3214 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3215 WLAN_REASON_QSTA_TIMEOUT = 39,
3216 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3217 /* 802.11s */
3218 WLAN_REASON_MESH_PEER_CANCELED = 52,
3219 WLAN_REASON_MESH_MAX_PEERS = 53,
3220 WLAN_REASON_MESH_CONFIG = 54,
3221 WLAN_REASON_MESH_CLOSE = 55,
3222 WLAN_REASON_MESH_MAX_RETRIES = 56,
3223 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3224 WLAN_REASON_MESH_INVALID_GTK = 58,
3225 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3226 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3227 WLAN_REASON_MESH_PATH_ERROR = 61,
3228 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3229 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3230 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3231 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3232 WLAN_REASON_MESH_CHAN = 66,
3233 };
3234
3235
3236 /* Information Element IDs */
3237 enum ieee80211_eid {
3238 WLAN_EID_SSID = 0,
3239 WLAN_EID_SUPP_RATES = 1,
3240 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3241 WLAN_EID_DS_PARAMS = 3,
3242 WLAN_EID_CF_PARAMS = 4,
3243 WLAN_EID_TIM = 5,
3244 WLAN_EID_IBSS_PARAMS = 6,
3245 WLAN_EID_COUNTRY = 7,
3246 /* 8, 9 reserved */
3247 WLAN_EID_REQUEST = 10,
3248 WLAN_EID_QBSS_LOAD = 11,
3249 WLAN_EID_EDCA_PARAM_SET = 12,
3250 WLAN_EID_TSPEC = 13,
3251 WLAN_EID_TCLAS = 14,
3252 WLAN_EID_SCHEDULE = 15,
3253 WLAN_EID_CHALLENGE = 16,
3254 /* 17-31 reserved for challenge text extension */
3255 WLAN_EID_PWR_CONSTRAINT = 32,
3256 WLAN_EID_PWR_CAPABILITY = 33,
3257 WLAN_EID_TPC_REQUEST = 34,
3258 WLAN_EID_TPC_REPORT = 35,
3259 WLAN_EID_SUPPORTED_CHANNELS = 36,
3260 WLAN_EID_CHANNEL_SWITCH = 37,
3261 WLAN_EID_MEASURE_REQUEST = 38,
3262 WLAN_EID_MEASURE_REPORT = 39,
3263 WLAN_EID_QUIET = 40,
3264 WLAN_EID_IBSS_DFS = 41,
3265 WLAN_EID_ERP_INFO = 42,
3266 WLAN_EID_TS_DELAY = 43,
3267 WLAN_EID_TCLAS_PROCESSING = 44,
3268 WLAN_EID_HT_CAPABILITY = 45,
3269 WLAN_EID_QOS_CAPA = 46,
3270 /* 47 reserved for Broadcom */
3271 WLAN_EID_RSN = 48,
3272 WLAN_EID_802_15_COEX = 49,
3273 WLAN_EID_EXT_SUPP_RATES = 50,
3274 WLAN_EID_AP_CHAN_REPORT = 51,
3275 WLAN_EID_NEIGHBOR_REPORT = 52,
3276 WLAN_EID_RCPI = 53,
3277 WLAN_EID_MOBILITY_DOMAIN = 54,
3278 WLAN_EID_FAST_BSS_TRANSITION = 55,
3279 WLAN_EID_TIMEOUT_INTERVAL = 56,
3280 WLAN_EID_RIC_DATA = 57,
3281 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3282 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3283 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3284 WLAN_EID_HT_OPERATION = 61,
3285 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3286 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3287 WLAN_EID_ANTENNA_INFO = 64,
3288 WLAN_EID_RSNI = 65,
3289 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3290 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3291 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3292 WLAN_EID_TIME_ADVERTISEMENT = 69,
3293 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3294 WLAN_EID_MULTIPLE_BSSID = 71,
3295 WLAN_EID_BSS_COEX_2040 = 72,
3296 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3297 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3298 WLAN_EID_RIC_DESCRIPTOR = 75,
3299 WLAN_EID_MMIE = 76,
3300 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3301 WLAN_EID_EVENT_REQUEST = 78,
3302 WLAN_EID_EVENT_REPORT = 79,
3303 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3304 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3305 WLAN_EID_LOCATION_PARAMS = 82,
3306 WLAN_EID_NON_TX_BSSID_CAP = 83,
3307 WLAN_EID_SSID_LIST = 84,
3308 WLAN_EID_MULTI_BSSID_IDX = 85,
3309 WLAN_EID_FMS_DESCRIPTOR = 86,
3310 WLAN_EID_FMS_REQUEST = 87,
3311 WLAN_EID_FMS_RESPONSE = 88,
3312 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3313 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3314 WLAN_EID_TSF_REQUEST = 91,
3315 WLAN_EID_TSF_RESPOSNE = 92,
3316 WLAN_EID_WNM_SLEEP_MODE = 93,
3317 WLAN_EID_TIM_BCAST_REQ = 94,
3318 WLAN_EID_TIM_BCAST_RESP = 95,
3319 WLAN_EID_COLL_IF_REPORT = 96,
3320 WLAN_EID_CHANNEL_USAGE = 97,
3321 WLAN_EID_TIME_ZONE = 98,
3322 WLAN_EID_DMS_REQUEST = 99,
3323 WLAN_EID_DMS_RESPONSE = 100,
3324 WLAN_EID_LINK_ID = 101,
3325 WLAN_EID_WAKEUP_SCHEDUL = 102,
3326 /* 103 reserved */
3327 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3328 WLAN_EID_PTI_CONTROL = 105,
3329 WLAN_EID_PU_BUFFER_STATUS = 106,
3330 WLAN_EID_INTERWORKING = 107,
3331 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3332 WLAN_EID_EXPEDITED_BW_REQ = 109,
3333 WLAN_EID_QOS_MAP_SET = 110,
3334 WLAN_EID_ROAMING_CONSORTIUM = 111,
3335 WLAN_EID_EMERGENCY_ALERT = 112,
3336 WLAN_EID_MESH_CONFIG = 113,
3337 WLAN_EID_MESH_ID = 114,
3338 WLAN_EID_LINK_METRIC_REPORT = 115,
3339 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3340 WLAN_EID_PEER_MGMT = 117,
3341 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3342 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3343 WLAN_EID_BEACON_TIMING = 120,
3344 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3345 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3346 WLAN_EID_MCCAOP_ADVERT = 123,
3347 WLAN_EID_MCCAOP_TEARDOWN = 124,
3348 WLAN_EID_GANN = 125,
3349 WLAN_EID_RANN = 126,
3350 WLAN_EID_EXT_CAPABILITY = 127,
3351 /* 128, 129 reserved for Agere */
3352 WLAN_EID_PREQ = 130,
3353 WLAN_EID_PREP = 131,
3354 WLAN_EID_PERR = 132,
3355 /* 133-136 reserved for Cisco */
3356 WLAN_EID_PXU = 137,
3357 WLAN_EID_PXUC = 138,
3358 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3359 WLAN_EID_MIC = 140,
3360 WLAN_EID_DESTINATION_URI = 141,
3361 WLAN_EID_UAPSD_COEX = 142,
3362 WLAN_EID_WAKEUP_SCHEDULE = 143,
3363 WLAN_EID_EXT_SCHEDULE = 144,
3364 WLAN_EID_STA_AVAILABILITY = 145,
3365 WLAN_EID_DMG_TSPEC = 146,
3366 WLAN_EID_DMG_AT = 147,
3367 WLAN_EID_DMG_CAP = 148,
3368 /* 149 reserved for Cisco */
3369 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3370 WLAN_EID_DMG_OPERATION = 151,
3371 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3372 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3373 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3374 /* 155-156 reserved for Cisco */
3375 WLAN_EID_AWAKE_WINDOW = 157,
3376 WLAN_EID_MULTI_BAND = 158,
3377 WLAN_EID_ADDBA_EXT = 159,
3378 WLAN_EID_NEXT_PCP_LIST = 160,
3379 WLAN_EID_PCP_HANDOVER = 161,
3380 WLAN_EID_DMG_LINK_MARGIN = 162,
3381 WLAN_EID_SWITCHING_STREAM = 163,
3382 WLAN_EID_SESSION_TRANSITION = 164,
3383 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3384 WLAN_EID_CLUSTER_REPORT = 166,
3385 WLAN_EID_RELAY_CAP = 167,
3386 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3387 WLAN_EID_BEAM_LINK_MAINT = 169,
3388 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3389 WLAN_EID_U_PID = 171,
3390 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3391 /* 173 reserved for Symbol */
3392 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3393 WLAN_EID_QUIET_PERIOD_REQ = 175,
3394 /* 176 reserved for Symbol */
3395 WLAN_EID_QUIET_PERIOD_RESP = 177,
3396 /* 178-179 reserved for Symbol */
3397 /* 180 reserved for ISO/IEC 20011 */
3398 WLAN_EID_EPAC_POLICY = 182,
3399 WLAN_EID_CLISTER_TIME_OFF = 183,
3400 WLAN_EID_INTER_AC_PRIO = 184,
3401 WLAN_EID_SCS_DESCRIPTOR = 185,
3402 WLAN_EID_QLOAD_REPORT = 186,
3403 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3404 WLAN_EID_HL_STREAM_ID = 188,
3405 WLAN_EID_GCR_GROUP_ADDR = 189,
3406 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3407 WLAN_EID_VHT_CAPABILITY = 191,
3408 WLAN_EID_VHT_OPERATION = 192,
3409 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3410 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3411 WLAN_EID_TX_POWER_ENVELOPE = 195,
3412 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3413 WLAN_EID_AID = 197,
3414 WLAN_EID_QUIET_CHANNEL = 198,
3415 WLAN_EID_OPMODE_NOTIF = 199,
3416
3417 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3418
3419 WLAN_EID_AID_REQUEST = 210,
3420 WLAN_EID_AID_RESPONSE = 211,
3421 WLAN_EID_S1G_BCN_COMPAT = 213,
3422 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3423 WLAN_EID_S1G_TWT = 216,
3424 WLAN_EID_S1G_CAPABILITIES = 217,
3425 WLAN_EID_VENDOR_SPECIFIC = 221,
3426 WLAN_EID_QOS_PARAMETER = 222,
3427 WLAN_EID_S1G_OPERATION = 232,
3428 WLAN_EID_CAG_NUMBER = 237,
3429 WLAN_EID_AP_CSN = 239,
3430 WLAN_EID_FILS_INDICATION = 240,
3431 WLAN_EID_DILS = 241,
3432 WLAN_EID_FRAGMENT = 242,
3433 WLAN_EID_RSNX = 244,
3434 WLAN_EID_EXTENSION = 255
3435 };
3436
3437 /* Element ID Extensions for Element ID 255 */
3438 enum ieee80211_eid_ext {
3439 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3440 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3441 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3442 WLAN_EID_EXT_FILS_SESSION = 4,
3443 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3444 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3445 WLAN_EID_EXT_KEY_DELIVERY = 7,
3446 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3447 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3448 WLAN_EID_EXT_FILS_NONCE = 13,
3449 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3450 WLAN_EID_EXT_HE_CAPABILITY = 35,
3451 WLAN_EID_EXT_HE_OPERATION = 36,
3452 WLAN_EID_EXT_UORA = 37,
3453 WLAN_EID_EXT_HE_MU_EDCA = 38,
3454 WLAN_EID_EXT_HE_SPR = 39,
3455 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3456 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3457 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3458 WLAN_EID_EXT_ESS_REPORT = 45,
3459 WLAN_EID_EXT_OPS = 46,
3460 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3461 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3462 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3463 WLAN_EID_EXT_NON_INHERITANCE = 56,
3464 WLAN_EID_EXT_KNOWN_BSSID = 57,
3465 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3466 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3467 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3468 WLAN_EID_EXT_EHT_OPERATION = 106,
3469 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3470 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3471 };
3472
3473 /* Action category code */
3474 enum ieee80211_category {
3475 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3476 WLAN_CATEGORY_QOS = 1,
3477 WLAN_CATEGORY_DLS = 2,
3478 WLAN_CATEGORY_BACK = 3,
3479 WLAN_CATEGORY_PUBLIC = 4,
3480 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3481 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3482 WLAN_CATEGORY_HT = 7,
3483 WLAN_CATEGORY_SA_QUERY = 8,
3484 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3485 WLAN_CATEGORY_WNM = 10,
3486 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3487 WLAN_CATEGORY_TDLS = 12,
3488 WLAN_CATEGORY_MESH_ACTION = 13,
3489 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3490 WLAN_CATEGORY_SELF_PROTECTED = 15,
3491 WLAN_CATEGORY_DMG = 16,
3492 WLAN_CATEGORY_WMM = 17,
3493 WLAN_CATEGORY_FST = 18,
3494 WLAN_CATEGORY_UNPROT_DMG = 20,
3495 WLAN_CATEGORY_VHT = 21,
3496 WLAN_CATEGORY_S1G = 22,
3497 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3498 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3499 };
3500
3501 /* SPECTRUM_MGMT action code */
3502 enum ieee80211_spectrum_mgmt_actioncode {
3503 WLAN_ACTION_SPCT_MSR_REQ = 0,
3504 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3505 WLAN_ACTION_SPCT_TPC_REQ = 2,
3506 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3507 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3508 };
3509
3510 /* HT action codes */
3511 enum ieee80211_ht_actioncode {
3512 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3513 WLAN_HT_ACTION_SMPS = 1,
3514 WLAN_HT_ACTION_PSMP = 2,
3515 WLAN_HT_ACTION_PCO_PHASE = 3,
3516 WLAN_HT_ACTION_CSI = 4,
3517 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3518 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3519 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3520 };
3521
3522 /* VHT action codes */
3523 enum ieee80211_vht_actioncode {
3524 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3525 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3526 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3527 };
3528
3529 /* Self Protected Action codes */
3530 enum ieee80211_self_protected_actioncode {
3531 WLAN_SP_RESERVED = 0,
3532 WLAN_SP_MESH_PEERING_OPEN = 1,
3533 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3534 WLAN_SP_MESH_PEERING_CLOSE = 3,
3535 WLAN_SP_MGK_INFORM = 4,
3536 WLAN_SP_MGK_ACK = 5,
3537 };
3538
3539 /* Mesh action codes */
3540 enum ieee80211_mesh_actioncode {
3541 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3542 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3543 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3544 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3545 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3546 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3547 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3548 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3549 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3550 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3551 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3552 };
3553
3554 /* Unprotected WNM action codes */
3555 enum ieee80211_unprotected_wnm_actioncode {
3556 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3557 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3558 };
3559
3560 /* Public action codes */
3561 enum ieee80211_public_actioncode {
3562 WLAN_PUBLIC_ACTION_FTM_RESPONSE = 33,
3563 };
3564
3565 /* Security key length */
3566 enum ieee80211_key_len {
3567 WLAN_KEY_LEN_WEP40 = 5,
3568 WLAN_KEY_LEN_WEP104 = 13,
3569 WLAN_KEY_LEN_CCMP = 16,
3570 WLAN_KEY_LEN_CCMP_256 = 32,
3571 WLAN_KEY_LEN_TKIP = 32,
3572 WLAN_KEY_LEN_AES_CMAC = 16,
3573 WLAN_KEY_LEN_SMS4 = 32,
3574 WLAN_KEY_LEN_GCMP = 16,
3575 WLAN_KEY_LEN_GCMP_256 = 32,
3576 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3577 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3578 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3579 };
3580
3581 enum ieee80211_s1g_actioncode {
3582 WLAN_S1G_AID_SWITCH_REQUEST,
3583 WLAN_S1G_AID_SWITCH_RESPONSE,
3584 WLAN_S1G_SYNC_CONTROL,
3585 WLAN_S1G_STA_INFO_ANNOUNCE,
3586 WLAN_S1G_EDCA_PARAM_SET,
3587 WLAN_S1G_EL_OPERATION,
3588 WLAN_S1G_TWT_SETUP,
3589 WLAN_S1G_TWT_TEARDOWN,
3590 WLAN_S1G_SECT_GROUP_ID_LIST,
3591 WLAN_S1G_SECT_ID_FEEDBACK,
3592 WLAN_S1G_TWT_INFORMATION = 11,
3593 };
3594
3595 #define IEEE80211_WEP_IV_LEN 4
3596 #define IEEE80211_WEP_ICV_LEN 4
3597 #define IEEE80211_CCMP_HDR_LEN 8
3598 #define IEEE80211_CCMP_MIC_LEN 8
3599 #define IEEE80211_CCMP_PN_LEN 6
3600 #define IEEE80211_CCMP_256_HDR_LEN 8
3601 #define IEEE80211_CCMP_256_MIC_LEN 16
3602 #define IEEE80211_CCMP_256_PN_LEN 6
3603 #define IEEE80211_TKIP_IV_LEN 8
3604 #define IEEE80211_TKIP_ICV_LEN 4
3605 #define IEEE80211_CMAC_PN_LEN 6
3606 #define IEEE80211_GMAC_PN_LEN 6
3607 #define IEEE80211_GCMP_HDR_LEN 8
3608 #define IEEE80211_GCMP_MIC_LEN 16
3609 #define IEEE80211_GCMP_PN_LEN 6
3610
3611 #define FILS_NONCE_LEN 16
3612 #define FILS_MAX_KEK_LEN 64
3613
3614 #define FILS_ERP_MAX_USERNAME_LEN 16
3615 #define FILS_ERP_MAX_REALM_LEN 253
3616 #define FILS_ERP_MAX_RRK_LEN 64
3617
3618 #define PMK_MAX_LEN 64
3619 #define SAE_PASSWORD_MAX_LEN 128
3620
3621 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3622 enum ieee80211_pub_actioncode {
3623 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3624 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3625 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3626 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3627 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3628 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3629 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3630 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3631 WLAN_PUB_ACTION_DSE_PC = 8,
3632 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3633 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3634 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3635 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3636 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3637 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3638 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3639 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3640 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3641 WLAN_PUB_ACTION_QMF_POLICY = 18,
3642 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3643 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3644 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3645 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3646 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3647 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3648 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3649 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3650 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3651 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3652 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3653 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3654 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3655 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3656 WLAN_PUB_ACTION_FTM = 33,
3657 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3658 };
3659
3660 /* TDLS action codes */
3661 enum ieee80211_tdls_actioncode {
3662 WLAN_TDLS_SETUP_REQUEST = 0,
3663 WLAN_TDLS_SETUP_RESPONSE = 1,
3664 WLAN_TDLS_SETUP_CONFIRM = 2,
3665 WLAN_TDLS_TEARDOWN = 3,
3666 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3667 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3668 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3669 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3670 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3671 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3672 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3673 };
3674
3675 /* Extended Channel Switching capability to be set in the 1st byte of
3676 * the @WLAN_EID_EXT_CAPABILITY information element
3677 */
3678 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3679
3680 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3681 * @WLAN_EID_EXT_CAPABILITY information element
3682 */
3683 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3684
3685 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3686 * of the @WLAN_EID_EXT_CAPABILITY information element
3687 */
3688 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3689
3690 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3691 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3692 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3693 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3694
3695 /* Interworking capabilities are set in 7th bit of 4th byte of the
3696 * @WLAN_EID_EXT_CAPABILITY information element
3697 */
3698 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3699
3700 /*
3701 * TDLS capabililites to be enabled in the 5th byte of the
3702 * @WLAN_EID_EXT_CAPABILITY information element
3703 */
3704 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3705 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3706 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3707
3708 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3709 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3710
3711 /* Defines the maximal number of MSDUs in an A-MSDU. */
3712 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3713 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3714
3715 /*
3716 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3717 * information element
3718 */
3719 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3720
3721 /* Defines support for TWT Requester and TWT Responder */
3722 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3723 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3724
3725 /*
3726 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3727 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3728 * 26-tone RU UL OFDMA transmissions as radar pulses).
3729 */
3730 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3731
3732 /* Defines support for enhanced multi-bssid advertisement*/
3733 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3734
3735 /* TDLS specific payload type in the LLC/SNAP header */
3736 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3737
3738 /* BSS Coex IE information field bits */
3739 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3740
3741 /**
3742 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3743 *
3744 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3745 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3746 * that will be specified in a vendor specific information element
3747 */
3748 enum ieee80211_mesh_sync_method {
3749 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3750 IEEE80211_SYNC_METHOD_VENDOR = 255,
3751 };
3752
3753 /**
3754 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3755 *
3756 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3757 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3758 * be specified in a vendor specific information element
3759 */
3760 enum ieee80211_mesh_path_protocol {
3761 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3762 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3763 };
3764
3765 /**
3766 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3767 *
3768 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3769 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3770 * specified in a vendor specific information element
3771 */
3772 enum ieee80211_mesh_path_metric {
3773 IEEE80211_PATH_METRIC_AIRTIME = 1,
3774 IEEE80211_PATH_METRIC_VENDOR = 255,
3775 };
3776
3777 /**
3778 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3779 *
3780 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3781 *
3782 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3783 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3784 * this value
3785 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3786 * the proactive PREQ with proactive PREP subfield set to 0
3787 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3788 * supports the proactive PREQ with proactive PREP subfield set to 1
3789 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3790 * the proactive RANN
3791 */
3792 enum ieee80211_root_mode_identifier {
3793 IEEE80211_ROOTMODE_NO_ROOT = 0,
3794 IEEE80211_ROOTMODE_ROOT = 1,
3795 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3796 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3797 IEEE80211_PROACTIVE_RANN = 4,
3798 };
3799
3800 /*
3801 * IEEE 802.11-2007 7.3.2.9 Country information element
3802 *
3803 * Minimum length is 8 octets, ie len must be evenly
3804 * divisible by 2
3805 */
3806
3807 /* Although the spec says 8 I'm seeing 6 in practice */
3808 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
3809
3810 /* The Country String field of the element shall be 3 octets in length */
3811 #define IEEE80211_COUNTRY_STRING_LEN 3
3812
3813 /*
3814 * For regulatory extension stuff see IEEE 802.11-2007
3815 * Annex I (page 1141) and Annex J (page 1147). Also
3816 * review 7.3.2.9.
3817 *
3818 * When dot11RegulatoryClassesRequired is true and the
3819 * first_channel/reg_extension_id is >= 201 then the IE
3820 * compromises of the 'ext' struct represented below:
3821 *
3822 * - Regulatory extension ID - when generating IE this just needs
3823 * to be monotonically increasing for each triplet passed in
3824 * the IE
3825 * - Regulatory class - index into set of rules
3826 * - Coverage class - index into air propagation time (Table 7-27),
3827 * in microseconds, you can compute the air propagation time from
3828 * the index by multiplying by 3, so index 10 yields a propagation
3829 * of 10 us. Valid values are 0-31, values 32-255 are not defined
3830 * yet. A value of 0 inicates air propagation of <= 1 us.
3831 *
3832 * See also Table I.2 for Emission limit sets and table
3833 * I.3 for Behavior limit sets. Table J.1 indicates how to map
3834 * a reg_class to an emission limit set and behavior limit set.
3835 */
3836 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3837
3838 /*
3839 * Channels numbers in the IE must be monotonically increasing
3840 * if dot11RegulatoryClassesRequired is not true.
3841 *
3842 * If dot11RegulatoryClassesRequired is true consecutive
3843 * subband triplets following a regulatory triplet shall
3844 * have monotonically increasing first_channel number fields.
3845 *
3846 * Channel numbers shall not overlap.
3847 *
3848 * Note that max_power is signed.
3849 */
3850 struct ieee80211_country_ie_triplet {
3851 union {
3852 struct {
3853 u8 first_channel;
3854 u8 num_channels;
3855 s8 max_power;
3856 } __packed chans;
3857 struct {
3858 u8 reg_extension_id;
3859 u8 reg_class;
3860 u8 coverage_class;
3861 } __packed ext;
3862 };
3863 } __packed;
3864
3865 enum ieee80211_timeout_interval_type {
3866 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3867 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3868 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3869 };
3870
3871 /**
3872 * struct ieee80211_timeout_interval_ie - Timeout Interval element
3873 * @type: type, see &enum ieee80211_timeout_interval_type
3874 * @value: timeout interval value
3875 */
3876 struct ieee80211_timeout_interval_ie {
3877 u8 type;
3878 __le32 value;
3879 } __packed;
3880
3881 /**
3882 * enum ieee80211_idle_options - BSS idle options
3883 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
3884 * protected frame to the AP to reset the idle timer at the AP for
3885 * the station.
3886 */
3887 enum ieee80211_idle_options {
3888 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
3889 };
3890
3891 /**
3892 * struct ieee80211_bss_max_idle_period_ie
3893 *
3894 * This structure refers to "BSS Max idle period element"
3895 *
3896 * @max_idle_period: indicates the time period during which a station can
3897 * refrain from transmitting frames to its associated AP without being
3898 * disassociated. In units of 1000 TUs.
3899 * @idle_options: indicates the options associated with the BSS idle capability
3900 * as specified in &enum ieee80211_idle_options.
3901 */
3902 struct ieee80211_bss_max_idle_period_ie {
3903 __le16 max_idle_period;
3904 u8 idle_options;
3905 } __packed;
3906
3907 /* BACK action code */
3908 enum ieee80211_back_actioncode {
3909 WLAN_ACTION_ADDBA_REQ = 0,
3910 WLAN_ACTION_ADDBA_RESP = 1,
3911 WLAN_ACTION_DELBA = 2,
3912 };
3913
3914 /* BACK (block-ack) parties */
3915 enum ieee80211_back_parties {
3916 WLAN_BACK_RECIPIENT = 0,
3917 WLAN_BACK_INITIATOR = 1,
3918 };
3919
3920 /* SA Query action */
3921 enum ieee80211_sa_query_action {
3922 WLAN_ACTION_SA_QUERY_REQUEST = 0,
3923 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
3924 };
3925
3926 /**
3927 * struct ieee80211_bssid_index
3928 *
3929 * This structure refers to "Multiple BSSID-index element"
3930 *
3931 * @bssid_index: BSSID index
3932 * @dtim_period: optional, overrides transmitted BSS dtim period
3933 * @dtim_count: optional, overrides transmitted BSS dtim count
3934 */
3935 struct ieee80211_bssid_index {
3936 u8 bssid_index;
3937 u8 dtim_period;
3938 u8 dtim_count;
3939 };
3940
3941 /**
3942 * struct ieee80211_multiple_bssid_configuration
3943 *
3944 * This structure refers to "Multiple BSSID Configuration element"
3945 *
3946 * @bssid_count: total number of active BSSIDs in the set
3947 * @profile_periodicity: the least number of beacon frames need to be received
3948 * in order to discover all the nontransmitted BSSIDs in the set.
3949 */
3950 struct ieee80211_multiple_bssid_configuration {
3951 u8 bssid_count;
3952 u8 profile_periodicity;
3953 };
3954
3955 #define SUITE(oui, id) (((oui) << 8) | (id))
3956
3957 /* cipher suite selectors */
3958 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
3959 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
3960 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
3961 /* reserved: SUITE(0x000FAC, 3) */
3962 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
3963 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
3964 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
3965 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
3966 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
3967 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
3968 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
3969 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
3970 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
3971
3972 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
3973
3974 /* AKM suite selectors */
3975 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
3976 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
3977 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
3978 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
3979 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
3980 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
3981 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
3982 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
3983 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
3984 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
3985 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
3986 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
3987 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
3988 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
3989 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
3990 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
3991 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
3992 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
3993 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
3994 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
3995
3996 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
3997
3998 #define WLAN_MAX_KEY_LEN 32
3999
4000 #define WLAN_PMK_NAME_LEN 16
4001 #define WLAN_PMKID_LEN 16
4002 #define WLAN_PMK_LEN_EAP_LEAP 16
4003 #define WLAN_PMK_LEN 32
4004 #define WLAN_PMK_LEN_SUITE_B_192 48
4005
4006 #define WLAN_OUI_WFA 0x506f9a
4007 #define WLAN_OUI_TYPE_WFA_P2P 9
4008 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4009 #define WLAN_OUI_MICROSOFT 0x0050f2
4010 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4011 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4012 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4013 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4014
4015 /*
4016 * WMM/802.11e Tspec Element
4017 */
4018 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4019 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4020
4021 enum ieee80211_tspec_status_code {
4022 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4023 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4024 };
4025
4026 struct ieee80211_tspec_ie {
4027 u8 element_id;
4028 u8 len;
4029 u8 oui[3];
4030 u8 oui_type;
4031 u8 oui_subtype;
4032 u8 version;
4033 __le16 tsinfo;
4034 u8 tsinfo_resvd;
4035 __le16 nominal_msdu;
4036 __le16 max_msdu;
4037 __le32 min_service_int;
4038 __le32 max_service_int;
4039 __le32 inactivity_int;
4040 __le32 suspension_int;
4041 __le32 service_start_time;
4042 __le32 min_data_rate;
4043 __le32 mean_data_rate;
4044 __le32 peak_data_rate;
4045 __le32 max_burst_size;
4046 __le32 delay_bound;
4047 __le32 min_phy_rate;
4048 __le16 sba;
4049 __le16 medium_time;
4050 } __packed;
4051
4052 struct ieee80211_he_6ghz_capa {
4053 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4054 __le16 capa;
4055 } __packed;
4056
4057 /* HE 6 GHz band capabilities */
4058 /* uses enum ieee80211_min_mpdu_spacing values */
4059 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4060 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4061 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4062 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4063 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4064 /* WLAN_HT_CAP_SM_PS_* values */
4065 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4066 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4067 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4068 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4069
4070 /**
4071 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4072 * @hdr: the frame
4073 *
4074 * The qos ctrl bytes come after the frame_control, duration, seq_num
4075 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4076 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4077 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4078 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4079 {
4080 union {
4081 struct ieee80211_qos_hdr addr3;
4082 struct ieee80211_qos_hdr_4addr addr4;
4083 } *qos;
4084
4085 qos = (void *)hdr;
4086 if (ieee80211_has_a4(qos->addr3.frame_control))
4087 return (u8 *)&qos->addr4.qos_ctrl;
4088 else
4089 return (u8 *)&qos->addr3.qos_ctrl;
4090 }
4091
4092 /**
4093 * ieee80211_get_tid - get qos TID
4094 * @hdr: the frame
4095 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4096 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4097 {
4098 u8 *qc = ieee80211_get_qos_ctl(hdr);
4099
4100 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4101 }
4102
4103 /**
4104 * ieee80211_get_SA - get pointer to SA
4105 * @hdr: the frame
4106 *
4107 * Given an 802.11 frame, this function returns the offset
4108 * to the source address (SA). It does not verify that the
4109 * header is long enough to contain the address, and the
4110 * header must be long enough to contain the frame control
4111 * field.
4112 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4113 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4114 {
4115 if (ieee80211_has_a4(hdr->frame_control))
4116 return hdr->addr4;
4117 if (ieee80211_has_fromds(hdr->frame_control))
4118 return hdr->addr3;
4119 return hdr->addr2;
4120 }
4121
4122 /**
4123 * ieee80211_get_DA - get pointer to DA
4124 * @hdr: the frame
4125 *
4126 * Given an 802.11 frame, this function returns the offset
4127 * to the destination address (DA). It does not verify that
4128 * the header is long enough to contain the address, and the
4129 * header must be long enough to contain the frame control
4130 * field.
4131 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4132 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4133 {
4134 if (ieee80211_has_tods(hdr->frame_control))
4135 return hdr->addr3;
4136 else
4137 return hdr->addr1;
4138 }
4139
4140 /**
4141 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4142 * @hdr: the frame (buffer must include at least the first octet of payload)
4143 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4144 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4145 {
4146 if (ieee80211_is_disassoc(hdr->frame_control) ||
4147 ieee80211_is_deauth(hdr->frame_control))
4148 return true;
4149
4150 if (ieee80211_is_action(hdr->frame_control)) {
4151 u8 *category;
4152
4153 /*
4154 * Action frames, excluding Public Action frames, are Robust
4155 * Management Frames. However, if we are looking at a Protected
4156 * frame, skip the check since the data may be encrypted and
4157 * the frame has already been found to be a Robust Management
4158 * Frame (by the other end).
4159 */
4160 if (ieee80211_has_protected(hdr->frame_control))
4161 return true;
4162 category = ((u8 *) hdr) + 24;
4163 return *category != WLAN_CATEGORY_PUBLIC &&
4164 *category != WLAN_CATEGORY_HT &&
4165 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4166 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4167 *category != WLAN_CATEGORY_UNPROT_DMG &&
4168 *category != WLAN_CATEGORY_VHT &&
4169 *category != WLAN_CATEGORY_S1G &&
4170 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4171 }
4172
4173 return false;
4174 }
4175
4176 /**
4177 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4178 * @skb: the skb containing the frame, length will be checked
4179 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4180 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4181 {
4182 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4183 return false;
4184 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4185 }
4186
4187 /**
4188 * ieee80211_is_public_action - check if frame is a public action frame
4189 * @hdr: the frame
4190 * @len: length of the frame
4191 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4192 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4193 size_t len)
4194 {
4195 struct ieee80211_mgmt *mgmt = (void *)hdr;
4196
4197 if (len < IEEE80211_MIN_ACTION_SIZE)
4198 return false;
4199 if (!ieee80211_is_action(hdr->frame_control))
4200 return false;
4201 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4202 }
4203
4204 /**
4205 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4206 * privacy action frame
4207 * @hdr: the frame
4208 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4209 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4210 {
4211 struct ieee80211_mgmt *mgmt = (void *)hdr;
4212
4213 if (!ieee80211_is_action(hdr->frame_control) ||
4214 !is_multicast_ether_addr(hdr->addr1))
4215 return false;
4216
4217 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4218 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4219 }
4220
4221 /**
4222 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4223 * privacy action frame
4224 * @skb: the skb containing the frame, length will be checked
4225 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4226 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4227 {
4228 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4229 return false;
4230 return _ieee80211_is_group_privacy_action((void *)skb->data);
4231 }
4232
4233 /**
4234 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4235 * @tu: the TUs
4236 */
ieee80211_tu_to_usec(unsigned long tu)4237 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4238 {
4239 return 1024 * tu;
4240 }
4241
4242 /**
4243 * ieee80211_check_tim - check if AID bit is set in TIM
4244 * @tim: the TIM IE
4245 * @tim_len: length of the TIM IE
4246 * @aid: the AID to look for
4247 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4248 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4249 u8 tim_len, u16 aid)
4250 {
4251 u8 mask;
4252 u8 index, indexn1, indexn2;
4253
4254 if (unlikely(!tim || tim_len < sizeof(*tim)))
4255 return false;
4256
4257 aid &= 0x3fff;
4258 index = aid / 8;
4259 mask = 1 << (aid & 7);
4260
4261 indexn1 = tim->bitmap_ctrl & 0xfe;
4262 indexn2 = tim_len + indexn1 - 4;
4263
4264 if (index < indexn1 || index > indexn2)
4265 return false;
4266
4267 index -= indexn1;
4268
4269 return !!(tim->virtual_map[index] & mask);
4270 }
4271
4272 /**
4273 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4274 * @skb: the skb containing the frame, length will not be checked
4275 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4276 *
4277 * This function assumes the frame is a data frame, and that the network header
4278 * is in the correct place.
4279 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)4280 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4281 {
4282 if (!skb_is_nonlinear(skb) &&
4283 skb->len > (skb_network_offset(skb) + 2)) {
4284 /* Point to where the indication of TDLS should start */
4285 const u8 *tdls_data = skb_network_header(skb) - 2;
4286
4287 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4288 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4289 tdls_data[3] == WLAN_CATEGORY_TDLS)
4290 return tdls_data[4];
4291 }
4292
4293 return -1;
4294 }
4295
4296 /* convert time units */
4297 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4298 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4299
4300 /* convert frequencies */
4301 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4302 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4303 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4304 #define KHZ_F "%d.%03d"
4305
4306 /* convert powers */
4307 #define DBI_TO_MBI(gain) ((gain) * 100)
4308 #define MBI_TO_DBI(gain) ((gain) / 100)
4309 #define DBM_TO_MBM(gain) ((gain) * 100)
4310 #define MBM_TO_DBM(gain) ((gain) / 100)
4311
4312 /**
4313 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4314 * @skb: the skb containing the frame, length will be checked
4315 *
4316 * This function checks if it's either TPC report action frame or Link
4317 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4318 * and 8.5.7.5 accordingly.
4319 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4320 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4321 {
4322 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4323
4324 if (!ieee80211_is_action(mgmt->frame_control))
4325 return false;
4326
4327 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4328 sizeof(mgmt->u.action.u.tpc_report))
4329 return false;
4330
4331 /*
4332 * TPC report - check that:
4333 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4334 * spectrum management action = 3 (TPC/Link Measurement report)
4335 * TPC report EID = 35
4336 * TPC report element length = 2
4337 *
4338 * The spectrum management's tpc_report struct is used here both for
4339 * parsing tpc_report and radio measurement's link measurement report
4340 * frame, since the relevant part is identical in both frames.
4341 */
4342 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4343 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4344 return false;
4345
4346 /* both spectrum mgmt and link measurement have same action code */
4347 if (mgmt->u.action.u.tpc_report.action_code !=
4348 WLAN_ACTION_SPCT_TPC_RPRT)
4349 return false;
4350
4351 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4352 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4353 sizeof(struct ieee80211_tpc_report_ie))
4354 return false;
4355
4356 return true;
4357 }
4358
ieee80211_is_timing_measurement(struct sk_buff * skb)4359 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4360 {
4361 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4362
4363 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4364 return false;
4365
4366 if (!ieee80211_is_action(mgmt->frame_control))
4367 return false;
4368
4369 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4370 mgmt->u.action.u.wnm_timing_msr.action_code ==
4371 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4372 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4373 return true;
4374
4375 return false;
4376 }
4377
ieee80211_is_ftm(struct sk_buff * skb)4378 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4379 {
4380 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4381
4382 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4383 return false;
4384
4385 if (mgmt->u.action.u.ftm.action_code ==
4386 WLAN_PUBLIC_ACTION_FTM_RESPONSE &&
4387 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4388 return true;
4389
4390 return false;
4391 }
4392
4393 struct element {
4394 u8 id;
4395 u8 datalen;
4396 u8 data[];
4397 } __packed;
4398
4399 /* element iteration helpers */
4400 #define for_each_element(_elem, _data, _datalen) \
4401 for (_elem = (const struct element *)(_data); \
4402 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4403 (int)sizeof(*_elem) && \
4404 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4405 (int)sizeof(*_elem) + _elem->datalen; \
4406 _elem = (const struct element *)(_elem->data + _elem->datalen))
4407
4408 #define for_each_element_id(element, _id, data, datalen) \
4409 for_each_element(element, data, datalen) \
4410 if (element->id == (_id))
4411
4412 #define for_each_element_extid(element, extid, _data, _datalen) \
4413 for_each_element(element, _data, _datalen) \
4414 if (element->id == WLAN_EID_EXTENSION && \
4415 element->datalen > 0 && \
4416 element->data[0] == (extid))
4417
4418 #define for_each_subelement(sub, element) \
4419 for_each_element(sub, (element)->data, (element)->datalen)
4420
4421 #define for_each_subelement_id(sub, id, element) \
4422 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4423
4424 #define for_each_subelement_extid(sub, extid, element) \
4425 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4426
4427 /**
4428 * for_each_element_completed - determine if element parsing consumed all data
4429 * @element: element pointer after for_each_element() or friends
4430 * @data: same data pointer as passed to for_each_element() or friends
4431 * @datalen: same data length as passed to for_each_element() or friends
4432 *
4433 * This function returns %true if all the data was parsed or considered
4434 * while walking the elements. Only use this if your for_each_element()
4435 * loop cannot be broken out of, otherwise it always returns %false.
4436 *
4437 * If some data was malformed, this returns %false since the last parsed
4438 * element will not fill the whole remaining data.
4439 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4440 static inline bool for_each_element_completed(const struct element *element,
4441 const void *data, size_t datalen)
4442 {
4443 return (const u8 *)element == (const u8 *)data + datalen;
4444 }
4445
4446 /**
4447 * RSNX Capabilities:
4448 * bits 0-3: Field length (n-1)
4449 */
4450 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4451 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4452
4453 /*
4454 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4455 * section 9.4.2.170 and accepted contributions.
4456 */
4457 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4458 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4459 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4460 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4461 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_BSS_PARAM 9
4462 #define IEEE80211_TBTT_INFO_OFFSET_BSSID_SSSID_BSS_PARAM 13
4463
4464 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4465 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4466 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4467 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4468 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4469 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4470 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4471
4472 struct ieee80211_neighbor_ap_info {
4473 u8 tbtt_info_hdr;
4474 u8 tbtt_info_len;
4475 u8 op_class;
4476 u8 channel;
4477 } __packed;
4478
4479 enum ieee80211_range_params_max_total_ltf {
4480 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4481 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4482 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4483 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4484 };
4485
4486 /* multi-link device */
4487 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4488
4489 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4490 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4491 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4492 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4493 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4494 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4495 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4496
4497 struct ieee80211_multi_link_elem {
4498 __le16 control;
4499 u8 variable[];
4500 } __packed;
4501
4502 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4503 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4504 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4505 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4506 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4507 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4508
4509 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4510 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4511 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4512
4513 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4514 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4515 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4516 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4517 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4518 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4519 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4520 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4521 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4522 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4523 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4524 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4525 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4526 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4527 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4528 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4529 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4530 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4531 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4532 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4533 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4534 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4535 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4536 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4537 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4538 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4539 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4540 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4541 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4542 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4543 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4544 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4545 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4546 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4547
4548 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4549 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4550 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4551 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4552 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4553
4554 struct ieee80211_mle_basic_common_info {
4555 u8 len;
4556 u8 mld_mac_addr[ETH_ALEN];
4557 u8 variable[];
4558 } __packed;
4559
4560 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4561
4562 struct ieee80211_mle_preq_common_info {
4563 u8 len;
4564 u8 variable[];
4565 } __packed;
4566
4567 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4568
4569 /* no fixed fields in RECONF */
4570
4571 struct ieee80211_mle_tdls_common_info {
4572 u8 len;
4573 u8 ap_mld_mac_addr[ETH_ALEN];
4574 } __packed;
4575
4576 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4577
4578 /* no fixed fields in PRIO_ACCESS */
4579
4580 /**
4581 * ieee80211_mle_common_size - check multi-link element common size
4582 * @data: multi-link element, must already be checked for size using
4583 * ieee80211_mle_size_ok()
4584 */
ieee80211_mle_common_size(const u8 * data)4585 static inline u8 ieee80211_mle_common_size(const u8 *data)
4586 {
4587 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4588 u16 control = le16_to_cpu(mle->control);
4589 u8 common = 0;
4590
4591 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4592 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4593 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4594 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4595 /*
4596 * The length is the first octet pointed by mle->variable so no
4597 * need to add anything
4598 */
4599 break;
4600 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4601 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4602 common += ETH_ALEN;
4603 return common;
4604 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4605 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4606 common += ETH_ALEN;
4607 return common;
4608 default:
4609 WARN_ON(1);
4610 return 0;
4611 }
4612
4613 return sizeof(*mle) + common + mle->variable[0];
4614 }
4615
4616 /**
4617 * ieee80211_mle_size_ok - validate multi-link element size
4618 * @data: pointer to the element data
4619 * @len: length of the containing element
4620 */
ieee80211_mle_size_ok(const u8 * data,size_t len)4621 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4622 {
4623 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4624 u8 fixed = sizeof(*mle);
4625 u8 common = 0;
4626 bool check_common_len = false;
4627 u16 control;
4628
4629 if (len < fixed)
4630 return false;
4631
4632 control = le16_to_cpu(mle->control);
4633
4634 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4635 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4636 common += sizeof(struct ieee80211_mle_basic_common_info);
4637 check_common_len = true;
4638 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4639 common += 1;
4640 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4641 common += 1;
4642 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4643 common += 2;
4644 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4645 common += 2;
4646 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4647 common += 2;
4648 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4649 common += 1;
4650 break;
4651 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4652 common += sizeof(struct ieee80211_mle_preq_common_info);
4653 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4654 common += 1;
4655 check_common_len = true;
4656 break;
4657 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4658 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4659 common += ETH_ALEN;
4660 break;
4661 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4662 common += sizeof(struct ieee80211_mle_tdls_common_info);
4663 check_common_len = true;
4664 break;
4665 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4666 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4667 common += ETH_ALEN;
4668 break;
4669 default:
4670 /* we don't know this type */
4671 return true;
4672 }
4673
4674 if (len < fixed + common)
4675 return false;
4676
4677 if (!check_common_len)
4678 return true;
4679
4680 /* if present, common length is the first octet there */
4681 return mle->variable[0] >= common;
4682 }
4683
4684 enum ieee80211_mle_subelems {
4685 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
4686 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
4687 };
4688
4689 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
4690 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
4691 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
4692 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
4693 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
4694 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
4695 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
4696 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
4697 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
4698
4699 struct ieee80211_mle_per_sta_profile {
4700 __le16 control;
4701 u8 sta_info_len;
4702 u8 variable[];
4703 } __packed;
4704
4705 /**
4706 * ieee80211_mle_sta_prof_size_ok - validate multi-link element sta profile size
4707 * @data: pointer to the sub element data
4708 * @len: length of the containing sub element
4709 */
ieee80211_mle_sta_prof_size_ok(const u8 * data,size_t len)4710 static inline bool ieee80211_mle_sta_prof_size_ok(const u8 *data, size_t len)
4711 {
4712 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
4713 u16 control;
4714 u8 fixed = sizeof(*prof);
4715 u8 info_len = 1;
4716
4717 if (len < fixed)
4718 return false;
4719
4720 control = le16_to_cpu(prof->control);
4721
4722 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
4723 info_len += 6;
4724 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
4725 info_len += 2;
4726 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
4727 info_len += 8;
4728 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
4729 info_len += 2;
4730 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
4731 info_len += 1;
4732
4733 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
4734 control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE) {
4735 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
4736 info_len += 2;
4737 else
4738 info_len += 1;
4739 }
4740
4741 return prof->sta_info_len >= info_len &&
4742 fixed + prof->sta_info_len <= len;
4743 }
4744
4745 #define for_each_mle_subelement(_elem, _data, _len) \
4746 if (ieee80211_mle_size_ok(_data, _len)) \
4747 for_each_element(_elem, \
4748 _data + ieee80211_mle_common_size(_data),\
4749 _len - ieee80211_mle_common_size(_data))
4750
4751 #endif /* LINUX_IEEE80211_H */
4752