1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2024 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <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 IEEE 802.11-2020 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS 0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
179 #define IEEE80211_PV1_FCTL_FROMDS 0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181 #define IEEE80211_PV1_FCTL_PM 0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184 #define IEEE80211_PV1_FCTL_END_SP 0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
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_less_eq(u16 sn1,u16 sn2)194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2)
195 {
196 return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1);
197 }
198
ieee80211_sn_add(u16 sn1,u16 sn2)199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
200 {
201 return (sn1 + sn2) & IEEE80211_SN_MASK;
202 }
203
ieee80211_sn_inc(u16 sn)204 static inline u16 ieee80211_sn_inc(u16 sn)
205 {
206 return ieee80211_sn_add(sn, 1);
207 }
208
ieee80211_sn_sub(u16 sn1,u16 sn2)209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
210 {
211 return (sn1 - sn2) & IEEE80211_SN_MASK;
212 }
213
214 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
215 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
216
217 /* miscellaneous IEEE 802.11 constants */
218 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
219 #define IEEE80211_MAX_RTS_THRESHOLD 2353
220 #define IEEE80211_MAX_AID 2007
221 #define IEEE80211_MAX_AID_S1G 8191
222 #define IEEE80211_MAX_TIM_LEN 251
223 #define IEEE80211_MAX_MESH_PEERINGS 63
224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
225 6.2.1.1.2.
226
227 802.11e clarifies the figure in section 7.1.2. The frame body is
228 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
229 #define IEEE80211_MAX_DATA_LEN 2304
230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
231 * to 7920 bytes, see 8.2.3 General frame format
232 */
233 #define IEEE80211_MAX_DATA_LEN_DMG 7920
234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
235 #define IEEE80211_MAX_FRAME_LEN 2352
236
237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
238 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
239
240 /* Maximal size of an A-MSDU */
241 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
242 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
243
244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
247
248 #define IEEE80211_MAX_SSID_LEN 32
249
250 #define IEEE80211_MAX_MESH_ID_LEN 32
251
252 #define IEEE80211_FIRST_TSPEC_TSID 8
253 #define IEEE80211_NUM_TIDS 16
254
255 /* number of user priorities 802.11 uses */
256 #define IEEE80211_NUM_UPS 8
257 /* number of ACs */
258 #define IEEE80211_NUM_ACS 4
259
260 #define IEEE80211_QOS_CTL_LEN 2
261 /* 1d tag mask */
262 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
263 /* TID mask */
264 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
265 /* EOSP */
266 #define IEEE80211_QOS_CTL_EOSP 0x0010
267 /* ACK policy */
268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
273 /* A-MSDU 802.11n */
274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
275 /* Mesh Control 802.11s */
276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
277
278 /* Mesh Power Save Level */
279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
280 /* Mesh Receiver Service Period Initiated */
281 #define IEEE80211_QOS_CTL_RSPI 0x0400
282
283 /* U-APSD queue for WMM IEs sent by AP */
284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
286
287 /* U-APSD queues for WMM IEs sent by STA */
288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
293
294 /* U-APSD max SP length for WMM IEs sent by STA */
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
301
302 #define IEEE80211_HT_CTL_LEN 4
303
304 /* trigger type within common_info of trigger frame */
305 #define IEEE80211_TRIGGER_TYPE_MASK 0xf
306 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0
307 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1
308 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
309 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
310 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4
311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
312 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6
313 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7
314
315 /* UL-bandwidth within common_info of trigger frame */
316 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000
317 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0
318 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1
319 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2
320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3
321
322 struct ieee80211_hdr {
323 __le16 frame_control;
324 __le16 duration_id;
325 struct_group(addrs,
326 u8 addr1[ETH_ALEN];
327 u8 addr2[ETH_ALEN];
328 u8 addr3[ETH_ALEN];
329 );
330 __le16 seq_ctrl;
331 u8 addr4[ETH_ALEN];
332 } __packed __aligned(2);
333
334 struct ieee80211_hdr_3addr {
335 __le16 frame_control;
336 __le16 duration_id;
337 u8 addr1[ETH_ALEN];
338 u8 addr2[ETH_ALEN];
339 u8 addr3[ETH_ALEN];
340 __le16 seq_ctrl;
341 } __packed __aligned(2);
342
343 struct ieee80211_qos_hdr {
344 __le16 frame_control;
345 __le16 duration_id;
346 u8 addr1[ETH_ALEN];
347 u8 addr2[ETH_ALEN];
348 u8 addr3[ETH_ALEN];
349 __le16 seq_ctrl;
350 __le16 qos_ctrl;
351 } __packed __aligned(2);
352
353 struct ieee80211_qos_hdr_4addr {
354 __le16 frame_control;
355 __le16 duration_id;
356 u8 addr1[ETH_ALEN];
357 u8 addr2[ETH_ALEN];
358 u8 addr3[ETH_ALEN];
359 __le16 seq_ctrl;
360 u8 addr4[ETH_ALEN];
361 __le16 qos_ctrl;
362 } __packed __aligned(2);
363
364 struct ieee80211_trigger {
365 __le16 frame_control;
366 __le16 duration;
367 u8 ra[ETH_ALEN];
368 u8 ta[ETH_ALEN];
369 __le64 common_info;
370 u8 variable[];
371 } __packed __aligned(2);
372
373 /**
374 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
375 * @fc: frame control bytes in little-endian byteorder
376 */
ieee80211_has_tods(__le16 fc)377 static inline bool ieee80211_has_tods(__le16 fc)
378 {
379 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
380 }
381
382 /**
383 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
384 * @fc: frame control bytes in little-endian byteorder
385 */
ieee80211_has_fromds(__le16 fc)386 static inline bool ieee80211_has_fromds(__le16 fc)
387 {
388 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
389 }
390
391 /**
392 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
393 * @fc: frame control bytes in little-endian byteorder
394 */
ieee80211_has_a4(__le16 fc)395 static inline bool ieee80211_has_a4(__le16 fc)
396 {
397 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
398 return (fc & tmp) == tmp;
399 }
400
401 /**
402 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
403 * @fc: frame control bytes in little-endian byteorder
404 */
ieee80211_has_morefrags(__le16 fc)405 static inline bool ieee80211_has_morefrags(__le16 fc)
406 {
407 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
408 }
409
410 /**
411 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
412 * @fc: frame control bytes in little-endian byteorder
413 */
ieee80211_has_retry(__le16 fc)414 static inline bool ieee80211_has_retry(__le16 fc)
415 {
416 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
417 }
418
419 /**
420 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
421 * @fc: frame control bytes in little-endian byteorder
422 */
ieee80211_has_pm(__le16 fc)423 static inline bool ieee80211_has_pm(__le16 fc)
424 {
425 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
426 }
427
428 /**
429 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
430 * @fc: frame control bytes in little-endian byteorder
431 */
ieee80211_has_moredata(__le16 fc)432 static inline bool ieee80211_has_moredata(__le16 fc)
433 {
434 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
435 }
436
437 /**
438 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
439 * @fc: frame control bytes in little-endian byteorder
440 */
ieee80211_has_protected(__le16 fc)441 static inline bool ieee80211_has_protected(__le16 fc)
442 {
443 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
444 }
445
446 /**
447 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
448 * @fc: frame control bytes in little-endian byteorder
449 */
ieee80211_has_order(__le16 fc)450 static inline bool ieee80211_has_order(__le16 fc)
451 {
452 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
453 }
454
455 /**
456 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
457 * @fc: frame control bytes in little-endian byteorder
458 */
ieee80211_is_mgmt(__le16 fc)459 static inline bool ieee80211_is_mgmt(__le16 fc)
460 {
461 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
462 cpu_to_le16(IEEE80211_FTYPE_MGMT);
463 }
464
465 /**
466 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
467 * @fc: frame control bytes in little-endian byteorder
468 */
ieee80211_is_ctl(__le16 fc)469 static inline bool ieee80211_is_ctl(__le16 fc)
470 {
471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
472 cpu_to_le16(IEEE80211_FTYPE_CTL);
473 }
474
475 /**
476 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
477 * @fc: frame control bytes in little-endian byteorder
478 */
ieee80211_is_data(__le16 fc)479 static inline bool ieee80211_is_data(__le16 fc)
480 {
481 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
482 cpu_to_le16(IEEE80211_FTYPE_DATA);
483 }
484
485 /**
486 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
487 * @fc: frame control bytes in little-endian byteorder
488 */
ieee80211_is_ext(__le16 fc)489 static inline bool ieee80211_is_ext(__le16 fc)
490 {
491 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
492 cpu_to_le16(IEEE80211_FTYPE_EXT);
493 }
494
495
496 /**
497 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
498 * @fc: frame control bytes in little-endian byteorder
499 */
ieee80211_is_data_qos(__le16 fc)500 static inline bool ieee80211_is_data_qos(__le16 fc)
501 {
502 /*
503 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
504 * to check the one bit
505 */
506 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
507 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
508 }
509
510 /**
511 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
512 * @fc: frame control bytes in little-endian byteorder
513 */
ieee80211_is_data_present(__le16 fc)514 static inline bool ieee80211_is_data_present(__le16 fc)
515 {
516 /*
517 * mask with 0x40 and test that that bit is clear to only return true
518 * for the data-containing substypes.
519 */
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
521 cpu_to_le16(IEEE80211_FTYPE_DATA);
522 }
523
524 /**
525 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
526 * @fc: frame control bytes in little-endian byteorder
527 */
ieee80211_is_assoc_req(__le16 fc)528 static inline bool ieee80211_is_assoc_req(__le16 fc)
529 {
530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
531 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
532 }
533
534 /**
535 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
536 * @fc: frame control bytes in little-endian byteorder
537 */
ieee80211_is_assoc_resp(__le16 fc)538 static inline bool ieee80211_is_assoc_resp(__le16 fc)
539 {
540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
541 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
542 }
543
544 /**
545 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
546 * @fc: frame control bytes in little-endian byteorder
547 */
ieee80211_is_reassoc_req(__le16 fc)548 static inline bool ieee80211_is_reassoc_req(__le16 fc)
549 {
550 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
551 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
552 }
553
554 /**
555 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
556 * @fc: frame control bytes in little-endian byteorder
557 */
ieee80211_is_reassoc_resp(__le16 fc)558 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
559 {
560 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
561 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
562 }
563
564 /**
565 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
566 * @fc: frame control bytes in little-endian byteorder
567 */
ieee80211_is_probe_req(__le16 fc)568 static inline bool ieee80211_is_probe_req(__le16 fc)
569 {
570 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
571 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
572 }
573
574 /**
575 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
576 * @fc: frame control bytes in little-endian byteorder
577 */
ieee80211_is_probe_resp(__le16 fc)578 static inline bool ieee80211_is_probe_resp(__le16 fc)
579 {
580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
581 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
582 }
583
584 /**
585 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
586 * @fc: frame control bytes in little-endian byteorder
587 */
ieee80211_is_beacon(__le16 fc)588 static inline bool ieee80211_is_beacon(__le16 fc)
589 {
590 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
592 }
593
594 /**
595 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
596 * IEEE80211_STYPE_S1G_BEACON
597 * @fc: frame control bytes in little-endian byteorder
598 */
ieee80211_is_s1g_beacon(__le16 fc)599 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
600 {
601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
602 IEEE80211_FCTL_STYPE)) ==
603 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
604 }
605
606 /**
607 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
608 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
609 * @fc: frame control bytes in little-endian byteorder
610 */
ieee80211_next_tbtt_present(__le16 fc)611 static inline bool ieee80211_next_tbtt_present(__le16 fc)
612 {
613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
614 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
615 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
616 }
617
618 /**
619 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
620 * true for S1G beacons when they're short.
621 * @fc: frame control bytes in little-endian byteorder
622 */
ieee80211_is_s1g_short_beacon(__le16 fc)623 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
624 {
625 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
626 }
627
628 /**
629 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
630 * @fc: frame control bytes in little-endian byteorder
631 */
ieee80211_is_atim(__le16 fc)632 static inline bool ieee80211_is_atim(__le16 fc)
633 {
634 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
635 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
636 }
637
638 /**
639 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
640 * @fc: frame control bytes in little-endian byteorder
641 */
ieee80211_is_disassoc(__le16 fc)642 static inline bool ieee80211_is_disassoc(__le16 fc)
643 {
644 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
645 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
646 }
647
648 /**
649 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
650 * @fc: frame control bytes in little-endian byteorder
651 */
ieee80211_is_auth(__le16 fc)652 static inline bool ieee80211_is_auth(__le16 fc)
653 {
654 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
655 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
656 }
657
658 /**
659 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
660 * @fc: frame control bytes in little-endian byteorder
661 */
ieee80211_is_deauth(__le16 fc)662 static inline bool ieee80211_is_deauth(__le16 fc)
663 {
664 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
665 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
666 }
667
668 /**
669 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
670 * @fc: frame control bytes in little-endian byteorder
671 */
ieee80211_is_action(__le16 fc)672 static inline bool ieee80211_is_action(__le16 fc)
673 {
674 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
675 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
676 }
677
678 /**
679 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
680 * @fc: frame control bytes in little-endian byteorder
681 */
ieee80211_is_back_req(__le16 fc)682 static inline bool ieee80211_is_back_req(__le16 fc)
683 {
684 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
685 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
686 }
687
688 /**
689 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
690 * @fc: frame control bytes in little-endian byteorder
691 */
ieee80211_is_back(__le16 fc)692 static inline bool ieee80211_is_back(__le16 fc)
693 {
694 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
695 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
696 }
697
698 /**
699 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
700 * @fc: frame control bytes in little-endian byteorder
701 */
ieee80211_is_pspoll(__le16 fc)702 static inline bool ieee80211_is_pspoll(__le16 fc)
703 {
704 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
705 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
706 }
707
708 /**
709 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
710 * @fc: frame control bytes in little-endian byteorder
711 */
ieee80211_is_rts(__le16 fc)712 static inline bool ieee80211_is_rts(__le16 fc)
713 {
714 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
715 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
716 }
717
718 /**
719 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
720 * @fc: frame control bytes in little-endian byteorder
721 */
ieee80211_is_cts(__le16 fc)722 static inline bool ieee80211_is_cts(__le16 fc)
723 {
724 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
725 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
726 }
727
728 /**
729 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
730 * @fc: frame control bytes in little-endian byteorder
731 */
ieee80211_is_ack(__le16 fc)732 static inline bool ieee80211_is_ack(__le16 fc)
733 {
734 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
735 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
736 }
737
738 /**
739 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
740 * @fc: frame control bytes in little-endian byteorder
741 */
ieee80211_is_cfend(__le16 fc)742 static inline bool ieee80211_is_cfend(__le16 fc)
743 {
744 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
745 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
746 }
747
748 /**
749 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
750 * @fc: frame control bytes in little-endian byteorder
751 */
ieee80211_is_cfendack(__le16 fc)752 static inline bool ieee80211_is_cfendack(__le16 fc)
753 {
754 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
755 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
756 }
757
758 /**
759 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
760 * @fc: frame control bytes in little-endian byteorder
761 */
ieee80211_is_nullfunc(__le16 fc)762 static inline bool ieee80211_is_nullfunc(__le16 fc)
763 {
764 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
765 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
766 }
767
768 /**
769 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
770 * @fc: frame control bytes in little-endian byteorder
771 */
ieee80211_is_qos_nullfunc(__le16 fc)772 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
773 {
774 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
775 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
776 }
777
778 /**
779 * ieee80211_is_trigger - check if frame is trigger frame
780 * @fc: frame control field in little-endian byteorder
781 */
ieee80211_is_trigger(__le16 fc)782 static inline bool ieee80211_is_trigger(__le16 fc)
783 {
784 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
785 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
786 }
787
788 /**
789 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
790 * @fc: frame control bytes in little-endian byteorder
791 */
ieee80211_is_any_nullfunc(__le16 fc)792 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
793 {
794 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
795 }
796
797 /**
798 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
799 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
800 */
ieee80211_is_first_frag(__le16 seq_ctrl)801 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
802 {
803 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
804 }
805
806 /**
807 * ieee80211_is_frag - check if a frame is a fragment
808 * @hdr: 802.11 header of the frame
809 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)810 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
811 {
812 return ieee80211_has_morefrags(hdr->frame_control) ||
813 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
814 }
815
ieee80211_get_sn(struct ieee80211_hdr * hdr)816 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr)
817 {
818 return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ);
819 }
820
821 struct ieee80211s_hdr {
822 u8 flags;
823 u8 ttl;
824 __le32 seqnum;
825 u8 eaddr1[ETH_ALEN];
826 u8 eaddr2[ETH_ALEN];
827 } __packed __aligned(2);
828
829 /* Mesh flags */
830 #define MESH_FLAGS_AE_A4 0x1
831 #define MESH_FLAGS_AE_A5_A6 0x2
832 #define MESH_FLAGS_AE 0x3
833 #define MESH_FLAGS_PS_DEEP 0x4
834
835 /**
836 * enum ieee80211_preq_flags - mesh PREQ element flags
837 *
838 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
839 */
840 enum ieee80211_preq_flags {
841 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
842 };
843
844 /**
845 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
846 *
847 * @IEEE80211_PREQ_TO_FLAG: target only subfield
848 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
849 */
850 enum ieee80211_preq_target_flags {
851 IEEE80211_PREQ_TO_FLAG = 1<<0,
852 IEEE80211_PREQ_USN_FLAG = 1<<2,
853 };
854
855 /**
856 * struct ieee80211_quiet_ie - Quiet element
857 * @count: Quiet Count
858 * @period: Quiet Period
859 * @duration: Quiet Duration
860 * @offset: Quiet Offset
861 *
862 * This structure represents the payload of the "Quiet element" as
863 * described in IEEE Std 802.11-2020 section 9.4.2.22.
864 */
865 struct ieee80211_quiet_ie {
866 u8 count;
867 u8 period;
868 __le16 duration;
869 __le16 offset;
870 } __packed;
871
872 /**
873 * struct ieee80211_msrment_ie - Measurement element
874 * @token: Measurement Token
875 * @mode: Measurement Report Mode
876 * @type: Measurement Type
877 * @request: Measurement Request or Measurement Report
878 *
879 * This structure represents the payload of both the "Measurement
880 * Request element" and the "Measurement Report element" as described
881 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
882 */
883 struct ieee80211_msrment_ie {
884 u8 token;
885 u8 mode;
886 u8 type;
887 u8 request[];
888 } __packed;
889
890 /**
891 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
892 * @mode: Channel Switch Mode
893 * @new_ch_num: New Channel Number
894 * @count: Channel Switch Count
895 *
896 * This structure represents the payload of the "Channel Switch
897 * Announcement element" as described in IEEE Std 802.11-2020 section
898 * 9.4.2.18.
899 */
900 struct ieee80211_channel_sw_ie {
901 u8 mode;
902 u8 new_ch_num;
903 u8 count;
904 } __packed;
905
906 /**
907 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
908 * @mode: Channel Switch Mode
909 * @new_operating_class: New Operating Class
910 * @new_ch_num: New Channel Number
911 * @count: Channel Switch Count
912 *
913 * This structure represents the "Extended Channel Switch Announcement
914 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
915 */
916 struct ieee80211_ext_chansw_ie {
917 u8 mode;
918 u8 new_operating_class;
919 u8 new_ch_num;
920 u8 count;
921 } __packed;
922
923 /**
924 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
925 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
926 * values here
927 * This structure represents the "Secondary Channel Offset element"
928 */
929 struct ieee80211_sec_chan_offs_ie {
930 u8 sec_chan_offs;
931 } __packed;
932
933 /**
934 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
935 * @mesh_ttl: Time To Live
936 * @mesh_flags: Flags
937 * @mesh_reason: Reason Code
938 * @mesh_pre_value: Precedence Value
939 *
940 * This structure represents the payload of the "Mesh Channel Switch
941 * Parameters element" as described in IEEE Std 802.11-2020 section
942 * 9.4.2.102.
943 */
944 struct ieee80211_mesh_chansw_params_ie {
945 u8 mesh_ttl;
946 u8 mesh_flags;
947 __le16 mesh_reason;
948 __le16 mesh_pre_value;
949 } __packed;
950
951 /**
952 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
953 * @new_channel_width: New Channel Width
954 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
955 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
956 *
957 * This structure represents the payload of the "Wide Bandwidth
958 * Channel Switch element" as described in IEEE Std 802.11-2020
959 * section 9.4.2.160.
960 */
961 struct ieee80211_wide_bw_chansw_ie {
962 u8 new_channel_width;
963 u8 new_center_freq_seg0, new_center_freq_seg1;
964 } __packed;
965
966 /**
967 * struct ieee80211_tim_ie - Traffic Indication Map information element
968 * @dtim_count: DTIM Count
969 * @dtim_period: DTIM Period
970 * @bitmap_ctrl: Bitmap Control
971 * @required_octet: "Syntatic sugar" to force the struct size to the
972 * minimum valid size when carried in a non-S1G PPDU
973 * @virtual_map: Partial Virtual Bitmap
974 *
975 * This structure represents the payload of the "TIM element" as
976 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
977 * definition is only applicable when the element is carried in a
978 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
979 * Control and Partial Virtual Bitmap may not be present.
980 */
981 struct ieee80211_tim_ie {
982 u8 dtim_count;
983 u8 dtim_period;
984 u8 bitmap_ctrl;
985 union {
986 u8 required_octet;
987 DECLARE_FLEX_ARRAY(u8, virtual_map);
988 };
989 } __packed;
990
991 /**
992 * struct ieee80211_meshconf_ie - Mesh Configuration element
993 * @meshconf_psel: Active Path Selection Protocol Identifier
994 * @meshconf_pmetric: Active Path Selection Metric Identifier
995 * @meshconf_congest: Congestion Control Mode Identifier
996 * @meshconf_synch: Synchronization Method Identifier
997 * @meshconf_auth: Authentication Protocol Identifier
998 * @meshconf_form: Mesh Formation Info
999 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
1000 *
1001 * This structure represents the payload of the "Mesh Configuration
1002 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
1003 */
1004 struct ieee80211_meshconf_ie {
1005 u8 meshconf_psel;
1006 u8 meshconf_pmetric;
1007 u8 meshconf_congest;
1008 u8 meshconf_synch;
1009 u8 meshconf_auth;
1010 u8 meshconf_form;
1011 u8 meshconf_cap;
1012 } __packed;
1013
1014 /**
1015 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
1016 *
1017 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
1018 * additional mesh peerings with other mesh STAs
1019 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
1020 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
1021 * is ongoing
1022 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
1023 * neighbors in deep sleep mode
1024 *
1025 * Enumerates the "Mesh Capability" as described in IEEE Std
1026 * 802.11-2020 section 9.4.2.97.7.
1027 */
1028 enum mesh_config_capab_flags {
1029 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
1030 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
1031 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
1032 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
1033 };
1034
1035 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1036
1037 /*
1038 * mesh channel switch parameters element's flag indicator
1039 *
1040 */
1041 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1042 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1043 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1044
1045 /**
1046 * struct ieee80211_rann_ie - RANN (root announcement) element
1047 * @rann_flags: Flags
1048 * @rann_hopcount: Hop Count
1049 * @rann_ttl: Element TTL
1050 * @rann_addr: Root Mesh STA Address
1051 * @rann_seq: HWMP Sequence Number
1052 * @rann_interval: Interval
1053 * @rann_metric: Metric
1054 *
1055 * This structure represents the payload of the "RANN element" as
1056 * described in IEEE Std 802.11-2020 section 9.4.2.111.
1057 */
1058 struct ieee80211_rann_ie {
1059 u8 rann_flags;
1060 u8 rann_hopcount;
1061 u8 rann_ttl;
1062 u8 rann_addr[ETH_ALEN];
1063 __le32 rann_seq;
1064 __le32 rann_interval;
1065 __le32 rann_metric;
1066 } __packed;
1067
1068 enum ieee80211_rann_flags {
1069 RANN_FLAG_IS_GATE = 1 << 0,
1070 };
1071
1072 enum ieee80211_ht_chanwidth_values {
1073 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1074 IEEE80211_HT_CHANWIDTH_ANY = 1,
1075 };
1076
1077 /**
1078 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1079 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1080 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1081 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1082 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1083 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1084 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1085 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1086 * (the NSS value is the value of this field + 1)
1087 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1088 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1089 * using a beamforming steering matrix
1090 */
1091 enum ieee80211_vht_opmode_bits {
1092 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1093 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1094 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1095 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1096 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1097 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1098 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1099 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1100 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1101 };
1102
1103 /**
1104 * enum ieee80211_s1g_chanwidth
1105 * These are defined in IEEE802.11-2016ah Table 10-20
1106 * as BSS Channel Width
1107 *
1108 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1109 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1110 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1111 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1112 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1113 */
1114 enum ieee80211_s1g_chanwidth {
1115 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1116 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1117 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1118 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1119 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1120 };
1121
1122 #define WLAN_SA_QUERY_TR_ID_LEN 2
1123 #define WLAN_MEMBERSHIP_LEN 8
1124 #define WLAN_USER_POSITION_LEN 16
1125
1126 /**
1127 * struct ieee80211_tpc_report_ie - TPC Report element
1128 * @tx_power: Transmit Power
1129 * @link_margin: Link Margin
1130 *
1131 * This structure represents the payload of the "TPC Report element" as
1132 * described in IEEE Std 802.11-2020 section 9.4.2.16.
1133 */
1134 struct ieee80211_tpc_report_ie {
1135 u8 tx_power;
1136 u8 link_margin;
1137 } __packed;
1138
1139 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1140 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1141 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1142 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1143 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1144
1145 struct ieee80211_addba_ext_ie {
1146 u8 data;
1147 } __packed;
1148
1149 /**
1150 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1151 * @compat_info: Compatibility Information
1152 * @beacon_int: Beacon Interval
1153 * @tsf_completion: TSF Completion
1154 *
1155 * This structure represents the payload of the "S1G Beacon
1156 * Compatibility element" as described in IEEE Std 802.11-2020 section
1157 * 9.4.2.196.
1158 */
1159 struct ieee80211_s1g_bcn_compat_ie {
1160 __le16 compat_info;
1161 __le16 beacon_int;
1162 __le32 tsf_completion;
1163 } __packed;
1164
1165 /**
1166 * struct ieee80211_s1g_oper_ie - S1G Operation element
1167 * @ch_width: S1G Operation Information Channel Width
1168 * @oper_class: S1G Operation Information Operating Class
1169 * @primary_ch: S1G Operation Information Primary Channel Number
1170 * @oper_ch: S1G Operation Information Channel Center Frequency
1171 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1172 *
1173 * This structure represents the payload of the "S1G Operation
1174 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1175 */
1176 struct ieee80211_s1g_oper_ie {
1177 u8 ch_width;
1178 u8 oper_class;
1179 u8 primary_ch;
1180 u8 oper_ch;
1181 __le16 basic_mcs_nss;
1182 } __packed;
1183
1184 /**
1185 * struct ieee80211_aid_response_ie - AID Response element
1186 * @aid: AID/Group AID
1187 * @switch_count: AID Switch Count
1188 * @response_int: AID Response Interval
1189 *
1190 * This structure represents the payload of the "AID Response element"
1191 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1192 */
1193 struct ieee80211_aid_response_ie {
1194 __le16 aid;
1195 u8 switch_count;
1196 __le16 response_int;
1197 } __packed;
1198
1199 struct ieee80211_s1g_cap {
1200 u8 capab_info[10];
1201 u8 supp_mcs_nss[5];
1202 } __packed;
1203
1204 struct ieee80211_ext {
1205 __le16 frame_control;
1206 __le16 duration;
1207 union {
1208 struct {
1209 u8 sa[ETH_ALEN];
1210 __le32 timestamp;
1211 u8 change_seq;
1212 u8 variable[0];
1213 } __packed s1g_beacon;
1214 struct {
1215 u8 sa[ETH_ALEN];
1216 __le32 timestamp;
1217 u8 change_seq;
1218 u8 next_tbtt[3];
1219 u8 variable[0];
1220 } __packed s1g_short_beacon;
1221 } u;
1222 } __packed __aligned(2);
1223
1224 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1225 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1226 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1227 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1228 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1229
1230 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1231 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1232 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1233 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1234 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1235 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1236 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1237 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1238
1239 enum ieee80211_twt_setup_cmd {
1240 TWT_SETUP_CMD_REQUEST,
1241 TWT_SETUP_CMD_SUGGEST,
1242 TWT_SETUP_CMD_DEMAND,
1243 TWT_SETUP_CMD_GROUPING,
1244 TWT_SETUP_CMD_ACCEPT,
1245 TWT_SETUP_CMD_ALTERNATE,
1246 TWT_SETUP_CMD_DICTATE,
1247 TWT_SETUP_CMD_REJECT,
1248 };
1249
1250 struct ieee80211_twt_params {
1251 __le16 req_type;
1252 __le64 twt;
1253 u8 min_twt_dur;
1254 __le16 mantissa;
1255 u8 channel;
1256 } __packed;
1257
1258 struct ieee80211_twt_setup {
1259 u8 dialog_token;
1260 u8 element_id;
1261 u8 length;
1262 u8 control;
1263 u8 params[];
1264 } __packed;
1265
1266 #define IEEE80211_TTLM_MAX_CNT 2
1267 #define IEEE80211_TTLM_CONTROL_DIRECTION 0x03
1268 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04
1269 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08
1270 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10
1271 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20
1272
1273 #define IEEE80211_TTLM_DIRECTION_DOWN 0
1274 #define IEEE80211_TTLM_DIRECTION_UP 1
1275 #define IEEE80211_TTLM_DIRECTION_BOTH 2
1276
1277 /**
1278 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
1279 *
1280 * Defined in section 9.4.2.314 in P802.11be_D4
1281 *
1282 * @control: the first part of control field
1283 * @optional: the second part of control field
1284 */
1285 struct ieee80211_ttlm_elem {
1286 u8 control;
1287 u8 optional[];
1288 } __packed;
1289
1290 /**
1291 * struct ieee80211_bss_load_elem - BSS Load elemen
1292 *
1293 * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1
1294 *
1295 * @sta_count: total number of STAs currently associated with the AP.
1296 * @channel_util: Percentage of time that the access point sensed the channel
1297 * was busy. This value is in range [0, 255], the highest value means
1298 * 100% busy.
1299 * @avail_admission_capa: remaining amount of medium time used for admission
1300 * control.
1301 */
1302 struct ieee80211_bss_load_elem {
1303 __le16 sta_count;
1304 u8 channel_util;
1305 __le16 avail_admission_capa;
1306 } __packed;
1307
1308 struct ieee80211_mgmt {
1309 __le16 frame_control;
1310 __le16 duration;
1311 u8 da[ETH_ALEN];
1312 u8 sa[ETH_ALEN];
1313 u8 bssid[ETH_ALEN];
1314 __le16 seq_ctrl;
1315 union {
1316 struct {
1317 __le16 auth_alg;
1318 __le16 auth_transaction;
1319 __le16 status_code;
1320 /* possibly followed by Challenge text */
1321 u8 variable[];
1322 } __packed auth;
1323 struct {
1324 __le16 reason_code;
1325 } __packed deauth;
1326 struct {
1327 __le16 capab_info;
1328 __le16 listen_interval;
1329 /* followed by SSID and Supported rates */
1330 u8 variable[];
1331 } __packed assoc_req;
1332 struct {
1333 __le16 capab_info;
1334 __le16 status_code;
1335 __le16 aid;
1336 /* followed by Supported rates */
1337 u8 variable[];
1338 } __packed assoc_resp, reassoc_resp;
1339 struct {
1340 __le16 capab_info;
1341 __le16 status_code;
1342 u8 variable[];
1343 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1344 struct {
1345 __le16 capab_info;
1346 __le16 listen_interval;
1347 u8 current_ap[ETH_ALEN];
1348 /* followed by SSID and Supported rates */
1349 u8 variable[];
1350 } __packed reassoc_req;
1351 struct {
1352 __le16 reason_code;
1353 } __packed disassoc;
1354 struct {
1355 __le64 timestamp;
1356 __le16 beacon_int;
1357 __le16 capab_info;
1358 /* followed by some of SSID, Supported rates,
1359 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1360 u8 variable[];
1361 } __packed beacon;
1362 struct {
1363 /* only variable items: SSID, Supported rates */
1364 DECLARE_FLEX_ARRAY(u8, variable);
1365 } __packed probe_req;
1366 struct {
1367 __le64 timestamp;
1368 __le16 beacon_int;
1369 __le16 capab_info;
1370 /* followed by some of SSID, Supported rates,
1371 * FH Params, DS Params, CF Params, IBSS Params */
1372 u8 variable[];
1373 } __packed probe_resp;
1374 struct {
1375 u8 category;
1376 union {
1377 struct {
1378 u8 action_code;
1379 u8 dialog_token;
1380 u8 status_code;
1381 u8 variable[];
1382 } __packed wme_action;
1383 struct{
1384 u8 action_code;
1385 u8 variable[];
1386 } __packed chan_switch;
1387 struct{
1388 u8 action_code;
1389 struct ieee80211_ext_chansw_ie data;
1390 u8 variable[];
1391 } __packed ext_chan_switch;
1392 struct{
1393 u8 action_code;
1394 u8 dialog_token;
1395 u8 element_id;
1396 u8 length;
1397 struct ieee80211_msrment_ie msr_elem;
1398 } __packed measurement;
1399 struct{
1400 u8 action_code;
1401 u8 dialog_token;
1402 __le16 capab;
1403 __le16 timeout;
1404 __le16 start_seq_num;
1405 /* followed by BA Extension */
1406 u8 variable[];
1407 } __packed addba_req;
1408 struct{
1409 u8 action_code;
1410 u8 dialog_token;
1411 __le16 status;
1412 __le16 capab;
1413 __le16 timeout;
1414 } __packed addba_resp;
1415 struct{
1416 u8 action_code;
1417 __le16 params;
1418 __le16 reason_code;
1419 } __packed delba;
1420 struct {
1421 u8 action_code;
1422 u8 variable[];
1423 } __packed self_prot;
1424 struct{
1425 u8 action_code;
1426 u8 variable[];
1427 } __packed mesh_action;
1428 struct {
1429 u8 action;
1430 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1431 } __packed sa_query;
1432 struct {
1433 u8 action;
1434 u8 smps_control;
1435 } __packed ht_smps;
1436 struct {
1437 u8 action_code;
1438 u8 chanwidth;
1439 } __packed ht_notify_cw;
1440 struct {
1441 u8 action_code;
1442 u8 dialog_token;
1443 __le16 capability;
1444 u8 variable[0];
1445 } __packed tdls_discover_resp;
1446 struct {
1447 u8 action_code;
1448 u8 operating_mode;
1449 } __packed vht_opmode_notif;
1450 struct {
1451 u8 action_code;
1452 u8 membership[WLAN_MEMBERSHIP_LEN];
1453 u8 position[WLAN_USER_POSITION_LEN];
1454 } __packed vht_group_notif;
1455 struct {
1456 u8 action_code;
1457 u8 dialog_token;
1458 u8 tpc_elem_id;
1459 u8 tpc_elem_length;
1460 struct ieee80211_tpc_report_ie tpc;
1461 } __packed tpc_report;
1462 struct {
1463 u8 action_code;
1464 u8 dialog_token;
1465 u8 follow_up;
1466 u8 tod[6];
1467 u8 toa[6];
1468 __le16 tod_error;
1469 __le16 toa_error;
1470 u8 variable[];
1471 } __packed ftm;
1472 struct {
1473 u8 action_code;
1474 u8 variable[];
1475 } __packed s1g;
1476 struct {
1477 u8 action_code;
1478 u8 dialog_token;
1479 u8 follow_up;
1480 u32 tod;
1481 u32 toa;
1482 u8 max_tod_error;
1483 u8 max_toa_error;
1484 } __packed wnm_timing_msr;
1485 struct {
1486 u8 action_code;
1487 u8 dialog_token;
1488 u8 variable[];
1489 } __packed ttlm_req;
1490 struct {
1491 u8 action_code;
1492 u8 dialog_token;
1493 u8 status_code;
1494 u8 variable[];
1495 } __packed ttlm_res;
1496 struct {
1497 u8 action_code;
1498 } __packed ttlm_tear_down;
1499 } u;
1500 } __packed action;
1501 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1502 } u;
1503 } __packed __aligned(2);
1504
1505 /* Supported rates membership selectors */
1506 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1507 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1508 #define BSS_MEMBERSHIP_SELECTOR_GLK 125
1509 #define BSS_MEMBERSHIP_SELECTOR_EPS 124
1510 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1511 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1512 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1513
1514 /* mgmt header + 1 byte category code */
1515 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1516
1517
1518 /* Management MIC information element (IEEE 802.11w) */
1519 struct ieee80211_mmie {
1520 u8 element_id;
1521 u8 length;
1522 __le16 key_id;
1523 u8 sequence_number[6];
1524 u8 mic[8];
1525 } __packed;
1526
1527 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1528 struct ieee80211_mmie_16 {
1529 u8 element_id;
1530 u8 length;
1531 __le16 key_id;
1532 u8 sequence_number[6];
1533 u8 mic[16];
1534 } __packed;
1535
1536 struct ieee80211_vendor_ie {
1537 u8 element_id;
1538 u8 len;
1539 u8 oui[3];
1540 u8 oui_type;
1541 } __packed;
1542
1543 struct ieee80211_wmm_ac_param {
1544 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1545 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1546 __le16 txop_limit;
1547 } __packed;
1548
1549 struct ieee80211_wmm_param_ie {
1550 u8 element_id; /* Element ID: 221 (0xdd); */
1551 u8 len; /* Length: 24 */
1552 /* required fields for WMM version 1 */
1553 u8 oui[3]; /* 00:50:f2 */
1554 u8 oui_type; /* 2 */
1555 u8 oui_subtype; /* 1 */
1556 u8 version; /* 1 for WMM version 1.0 */
1557 u8 qos_info; /* AP/STA specific QoS info */
1558 u8 reserved; /* 0 */
1559 /* AC_BE, AC_BK, AC_VI, AC_VO */
1560 struct ieee80211_wmm_ac_param ac[4];
1561 } __packed;
1562
1563 /* Control frames */
1564 struct ieee80211_rts {
1565 __le16 frame_control;
1566 __le16 duration;
1567 u8 ra[ETH_ALEN];
1568 u8 ta[ETH_ALEN];
1569 } __packed __aligned(2);
1570
1571 struct ieee80211_cts {
1572 __le16 frame_control;
1573 __le16 duration;
1574 u8 ra[ETH_ALEN];
1575 } __packed __aligned(2);
1576
1577 struct ieee80211_pspoll {
1578 __le16 frame_control;
1579 __le16 aid;
1580 u8 bssid[ETH_ALEN];
1581 u8 ta[ETH_ALEN];
1582 } __packed __aligned(2);
1583
1584 /* TDLS */
1585
1586 /* Channel switch timing */
1587 struct ieee80211_ch_switch_timing {
1588 __le16 switch_time;
1589 __le16 switch_timeout;
1590 } __packed;
1591
1592 /* Link-id information element */
1593 struct ieee80211_tdls_lnkie {
1594 u8 ie_type; /* Link Identifier IE */
1595 u8 ie_len;
1596 u8 bssid[ETH_ALEN];
1597 u8 init_sta[ETH_ALEN];
1598 u8 resp_sta[ETH_ALEN];
1599 } __packed;
1600
1601 struct ieee80211_tdls_data {
1602 u8 da[ETH_ALEN];
1603 u8 sa[ETH_ALEN];
1604 __be16 ether_type;
1605 u8 payload_type;
1606 u8 category;
1607 u8 action_code;
1608 union {
1609 struct {
1610 u8 dialog_token;
1611 __le16 capability;
1612 u8 variable[0];
1613 } __packed setup_req;
1614 struct {
1615 __le16 status_code;
1616 u8 dialog_token;
1617 __le16 capability;
1618 u8 variable[0];
1619 } __packed setup_resp;
1620 struct {
1621 __le16 status_code;
1622 u8 dialog_token;
1623 u8 variable[0];
1624 } __packed setup_cfm;
1625 struct {
1626 __le16 reason_code;
1627 u8 variable[0];
1628 } __packed teardown;
1629 struct {
1630 u8 dialog_token;
1631 u8 variable[0];
1632 } __packed discover_req;
1633 struct {
1634 u8 target_channel;
1635 u8 oper_class;
1636 u8 variable[0];
1637 } __packed chan_switch_req;
1638 struct {
1639 __le16 status_code;
1640 u8 variable[0];
1641 } __packed chan_switch_resp;
1642 } u;
1643 } __packed;
1644
1645 /*
1646 * Peer-to-Peer IE attribute related definitions.
1647 */
1648 /*
1649 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1650 */
1651 enum ieee80211_p2p_attr_id {
1652 IEEE80211_P2P_ATTR_STATUS = 0,
1653 IEEE80211_P2P_ATTR_MINOR_REASON,
1654 IEEE80211_P2P_ATTR_CAPABILITY,
1655 IEEE80211_P2P_ATTR_DEVICE_ID,
1656 IEEE80211_P2P_ATTR_GO_INTENT,
1657 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1658 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1659 IEEE80211_P2P_ATTR_GROUP_BSSID,
1660 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1661 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1662 IEEE80211_P2P_ATTR_MANAGABILITY,
1663 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1664 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1665 IEEE80211_P2P_ATTR_DEVICE_INFO,
1666 IEEE80211_P2P_ATTR_GROUP_INFO,
1667 IEEE80211_P2P_ATTR_GROUP_ID,
1668 IEEE80211_P2P_ATTR_INTERFACE,
1669 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1670 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1671 /* 19 - 220: Reserved */
1672 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1673
1674 IEEE80211_P2P_ATTR_MAX
1675 };
1676
1677 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1678 /* Typical max value used here */
1679 #define IEEE80211_P2P_NOA_DESC_MAX 4
1680
1681 struct ieee80211_p2p_noa_desc {
1682 u8 count;
1683 __le32 duration;
1684 __le32 interval;
1685 __le32 start_time;
1686 } __packed;
1687
1688 struct ieee80211_p2p_noa_attr {
1689 u8 index;
1690 u8 oppps_ctwindow;
1691 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1692 } __packed;
1693
1694 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1695 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1696
1697 /**
1698 * struct ieee80211_bar - Block Ack Request frame format
1699 * @frame_control: Frame Control
1700 * @duration: Duration
1701 * @ra: RA
1702 * @ta: TA
1703 * @control: BAR Control
1704 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1705 *
1706 * This structure represents the "BlockAckReq frame format"
1707 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1708 */
1709 struct ieee80211_bar {
1710 __le16 frame_control;
1711 __le16 duration;
1712 __u8 ra[ETH_ALEN];
1713 __u8 ta[ETH_ALEN];
1714 __le16 control;
1715 __le16 start_seq_num;
1716 } __packed;
1717
1718 /* 802.11 BAR control masks */
1719 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1720 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1721 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1722 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1723 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1724
1725 #define IEEE80211_HT_MCS_MASK_LEN 10
1726
1727 /**
1728 * struct ieee80211_mcs_info - Supported MCS Set field
1729 * @rx_mask: RX mask
1730 * @rx_highest: highest supported RX rate. If set represents
1731 * the highest supported RX data rate in units of 1 Mbps.
1732 * If this field is 0 this value should not be used to
1733 * consider the highest RX data rate supported.
1734 * @tx_params: TX parameters
1735 * @reserved: Reserved bits
1736 *
1737 * This structure represents the "Supported MCS Set field" as
1738 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1739 */
1740 struct ieee80211_mcs_info {
1741 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1742 __le16 rx_highest;
1743 u8 tx_params;
1744 u8 reserved[3];
1745 } __packed;
1746
1747 /* 802.11n HT capability MSC set */
1748 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1749 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1750 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1751 /* value 0 == 1 stream etc */
1752 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1753 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1754 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1755 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1756
1757 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1758
1759 /*
1760 * 802.11n D5.0 20.3.5 / 20.6 says:
1761 * - indices 0 to 7 and 32 are single spatial stream
1762 * - 8 to 31 are multiple spatial streams using equal modulation
1763 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1764 * - remainder are multiple spatial streams using unequal modulation
1765 */
1766 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1767 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1768 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1769
1770 /**
1771 * struct ieee80211_ht_cap - HT capabilities element
1772 * @cap_info: HT Capability Information
1773 * @ampdu_params_info: A-MPDU Parameters
1774 * @mcs: Supported MCS Set
1775 * @extended_ht_cap_info: HT Extended Capabilities
1776 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1777 * @antenna_selection_info: ASEL Capability
1778 *
1779 * This structure represents the payload of the "HT Capabilities
1780 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1781 */
1782 struct ieee80211_ht_cap {
1783 __le16 cap_info;
1784 u8 ampdu_params_info;
1785
1786 /* 16 bytes MCS information */
1787 struct ieee80211_mcs_info mcs;
1788
1789 __le16 extended_ht_cap_info;
1790 __le32 tx_BF_cap_info;
1791 u8 antenna_selection_info;
1792 } __packed;
1793
1794 /* 802.11n HT capabilities masks (for cap_info) */
1795 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1796 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1797 #define IEEE80211_HT_CAP_SM_PS 0x000C
1798 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1799 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1800 #define IEEE80211_HT_CAP_SGI_20 0x0020
1801 #define IEEE80211_HT_CAP_SGI_40 0x0040
1802 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1803 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1804 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1805 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1806 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1807 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1808 #define IEEE80211_HT_CAP_RESERVED 0x2000
1809 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1810 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1811
1812 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1813 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1814 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1815 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1816 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1817 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1818 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1819 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1820
1821 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1822 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1823 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1824 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1825
1826 /*
1827 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1828 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1829 */
1830 enum ieee80211_max_ampdu_length_exp {
1831 IEEE80211_HT_MAX_AMPDU_8K = 0,
1832 IEEE80211_HT_MAX_AMPDU_16K = 1,
1833 IEEE80211_HT_MAX_AMPDU_32K = 2,
1834 IEEE80211_HT_MAX_AMPDU_64K = 3
1835 };
1836
1837 /*
1838 * Maximum length of AMPDU that the STA can receive in VHT.
1839 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1840 */
1841 enum ieee80211_vht_max_ampdu_length_exp {
1842 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1843 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1844 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1845 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1846 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1847 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1848 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1849 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1850 };
1851
1852 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1853
1854 /* Minimum MPDU start spacing */
1855 enum ieee80211_min_mpdu_spacing {
1856 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1857 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1858 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1859 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1860 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1861 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1862 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1863 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1864 };
1865
1866 /**
1867 * struct ieee80211_ht_operation - HT operation IE
1868 * @primary_chan: Primary Channel
1869 * @ht_param: HT Operation Information parameters
1870 * @operation_mode: HT Operation Information operation mode
1871 * @stbc_param: HT Operation Information STBC params
1872 * @basic_set: Basic HT-MCS Set
1873 *
1874 * This structure represents the payload of the "HT Operation
1875 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1876 */
1877 struct ieee80211_ht_operation {
1878 u8 primary_chan;
1879 u8 ht_param;
1880 __le16 operation_mode;
1881 __le16 stbc_param;
1882 u8 basic_set[16];
1883 } __packed;
1884
1885 /* for ht_param */
1886 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1887 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1888 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1889 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1890 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1891 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1892
1893 /* for operation_mode */
1894 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1895 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1896 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1897 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1898 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1899 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1900 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1901 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1902 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1903
1904 /* for stbc_param */
1905 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1906 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1907 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1908 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1909 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1910 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1911
1912
1913 /* block-ack parameters */
1914 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1915 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1916 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1917 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1918 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1919 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1920
1921 /*
1922 * A-MPDU buffer sizes
1923 * According to HT size varies from 8 to 64 frames
1924 * HE adds the ability to have up to 256 frames.
1925 * EHT adds the ability to have up to 1K frames.
1926 */
1927 #define IEEE80211_MIN_AMPDU_BUF 0x8
1928 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1929 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1930 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1931
1932
1933 /* Spatial Multiplexing Power Save Modes (for capability) */
1934 #define WLAN_HT_CAP_SM_PS_STATIC 0
1935 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1936 #define WLAN_HT_CAP_SM_PS_INVALID 2
1937 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1938
1939 /* for SM power control field lower two bits */
1940 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1941 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1942 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1943
1944 /**
1945 * struct ieee80211_vht_mcs_info - VHT MCS information
1946 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1947 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1948 * STA can receive. Rate expressed in units of 1 Mbps.
1949 * If this field is 0 this value should not be used to
1950 * consider the highest RX data rate supported.
1951 * The top 3 bits of this field indicate the Maximum NSTS,total
1952 * (a beamformee capability.)
1953 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1954 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1955 * STA can transmit. Rate expressed in units of 1 Mbps.
1956 * If this field is 0 this value should not be used to
1957 * consider the highest TX data rate supported.
1958 * The top 2 bits of this field are reserved, the
1959 * 3rd bit from the top indiciates VHT Extended NSS BW
1960 * Capability.
1961 */
1962 struct ieee80211_vht_mcs_info {
1963 __le16 rx_mcs_map;
1964 __le16 rx_highest;
1965 __le16 tx_mcs_map;
1966 __le16 tx_highest;
1967 } __packed;
1968
1969 /* for rx_highest */
1970 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1971 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1972
1973 /* for tx_highest */
1974 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1975
1976 /**
1977 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1978 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1979 * number of streams
1980 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1981 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1982 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1983 *
1984 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1985 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1986 * both split into 8 subfields by number of streams. These values indicate
1987 * which MCSes are supported for the number of streams the value appears
1988 * for.
1989 */
1990 enum ieee80211_vht_mcs_support {
1991 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1992 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1993 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1994 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1995 };
1996
1997 /**
1998 * struct ieee80211_vht_cap - VHT capabilities
1999 *
2000 * This structure is the "VHT capabilities element" as
2001 * described in 802.11ac D3.0 8.4.2.160
2002 * @vht_cap_info: VHT capability info
2003 * @supp_mcs: VHT MCS supported rates
2004 */
2005 struct ieee80211_vht_cap {
2006 __le32 vht_cap_info;
2007 struct ieee80211_vht_mcs_info supp_mcs;
2008 } __packed;
2009
2010 /**
2011 * enum ieee80211_vht_chanwidth - VHT channel width
2012 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
2013 * determine the channel width (20 or 40 MHz)
2014 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
2015 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
2016 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
2017 */
2018 enum ieee80211_vht_chanwidth {
2019 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
2020 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
2021 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
2022 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
2023 };
2024
2025 /**
2026 * struct ieee80211_vht_operation - VHT operation IE
2027 *
2028 * This structure is the "VHT operation element" as
2029 * described in 802.11ac D3.0 8.4.2.161
2030 * @chan_width: Operating channel width
2031 * @center_freq_seg0_idx: center freq segment 0 index
2032 * @center_freq_seg1_idx: center freq segment 1 index
2033 * @basic_mcs_set: VHT Basic MCS rate set
2034 */
2035 struct ieee80211_vht_operation {
2036 u8 chan_width;
2037 u8 center_freq_seg0_idx;
2038 u8 center_freq_seg1_idx;
2039 __le16 basic_mcs_set;
2040 } __packed;
2041
2042 /**
2043 * struct ieee80211_he_cap_elem - HE capabilities element
2044 * @mac_cap_info: HE MAC Capabilities Information
2045 * @phy_cap_info: HE PHY Capabilities Information
2046 *
2047 * This structure represents the fixed fields of the payload of the
2048 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2049 * sections 9.4.2.248.2 and 9.4.2.248.3.
2050 */
2051 struct ieee80211_he_cap_elem {
2052 u8 mac_cap_info[6];
2053 u8 phy_cap_info[11];
2054 } __packed;
2055
2056 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
2057
2058 /**
2059 * enum ieee80211_he_mcs_support - HE MCS support definitions
2060 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2061 * number of streams
2062 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2063 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2064 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2065 *
2066 * These definitions are used in each 2-bit subfield of the rx_mcs_*
2067 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2068 * both split into 8 subfields by number of streams. These values indicate
2069 * which MCSes are supported for the number of streams the value appears
2070 * for.
2071 */
2072 enum ieee80211_he_mcs_support {
2073 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
2074 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
2075 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
2076 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
2077 };
2078
2079 /**
2080 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2081 *
2082 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2083 * described in P802.11ax_D2.0 section 9.4.2.237.4
2084 *
2085 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2086 * widths less than 80MHz.
2087 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2088 * widths less than 80MHz.
2089 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2090 * width 160MHz.
2091 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2092 * width 160MHz.
2093 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2094 * channel width 80p80MHz.
2095 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2096 * channel width 80p80MHz.
2097 */
2098 struct ieee80211_he_mcs_nss_supp {
2099 __le16 rx_mcs_80;
2100 __le16 tx_mcs_80;
2101 __le16 rx_mcs_160;
2102 __le16 tx_mcs_160;
2103 __le16 rx_mcs_80p80;
2104 __le16 tx_mcs_80p80;
2105 } __packed;
2106
2107 /**
2108 * struct ieee80211_he_operation - HE Operation element
2109 * @he_oper_params: HE Operation Parameters + BSS Color Information
2110 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2111 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2112 * BSSID Indicator, and 6 GHz Operation Information
2113 *
2114 * This structure represents the payload of the "HE Operation
2115 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2116 */
2117 struct ieee80211_he_operation {
2118 __le32 he_oper_params;
2119 __le16 he_mcs_nss_set;
2120 u8 optional[];
2121 } __packed;
2122
2123 /**
2124 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2125 * @he_sr_control: SR Control
2126 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2127 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2128 * Bitmap, and SRG Partial BSSID Bitmap
2129 *
2130 * This structure represents the payload of the "Spatial Reuse
2131 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2132 * section 9.4.2.252.
2133 */
2134 struct ieee80211_he_spr {
2135 u8 he_sr_control;
2136 u8 optional[];
2137 } __packed;
2138
2139 /**
2140 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2141 * @aifsn: ACI/AIFSN
2142 * @ecw_min_max: ECWmin/ECWmax
2143 * @mu_edca_timer: MU EDCA Timer
2144 *
2145 * This structure represents the "MU AC Parameter Record" as described
2146 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2147 */
2148 struct ieee80211_he_mu_edca_param_ac_rec {
2149 u8 aifsn;
2150 u8 ecw_min_max;
2151 u8 mu_edca_timer;
2152 } __packed;
2153
2154 /**
2155 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2156 * @mu_qos_info: QoS Info
2157 * @ac_be: MU AC_BE Parameter Record
2158 * @ac_bk: MU AC_BK Parameter Record
2159 * @ac_vi: MU AC_VI Parameter Record
2160 * @ac_vo: MU AC_VO Parameter Record
2161 *
2162 * This structure represents the payload of the "MU EDCA Parameter Set
2163 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2164 */
2165 struct ieee80211_mu_edca_param_set {
2166 u8 mu_qos_info;
2167 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2168 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2169 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2170 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2171 } __packed;
2172
2173 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2174 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2175
2176 /**
2177 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2178 * supported NSS for per MCS.
2179 *
2180 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2181 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2182 * for Tx.
2183 *
2184 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2185 * supported for reception and the maximum number of spatial streams
2186 * supported for transmission for MCS 0 - 7.
2187 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2188 * supported for reception and the maximum number of spatial streams
2189 * supported for transmission for MCS 8 - 9.
2190 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2191 * supported for reception and the maximum number of spatial streams
2192 * supported for transmission for MCS 10 - 11.
2193 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2194 * supported for reception and the maximum number of spatial streams
2195 * supported for transmission for MCS 12 - 13.
2196 * @rx_tx_max_nss: array of the previous fields for easier loop access
2197 */
2198 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2199 union {
2200 struct {
2201 u8 rx_tx_mcs7_max_nss;
2202 u8 rx_tx_mcs9_max_nss;
2203 u8 rx_tx_mcs11_max_nss;
2204 u8 rx_tx_mcs13_max_nss;
2205 };
2206 u8 rx_tx_max_nss[4];
2207 };
2208 };
2209
2210 /**
2211 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2212 * 20MHz only stations).
2213 *
2214 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2215 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2216 * for Tx.
2217 *
2218 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2219 * supported for reception and the maximum number of spatial streams
2220 * supported for transmission for MCS 0 - 9.
2221 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2222 * supported for reception and the maximum number of spatial streams
2223 * supported for transmission for MCS 10 - 11.
2224 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2225 * supported for reception and the maximum number of spatial streams
2226 * supported for transmission for MCS 12 - 13.
2227 * @rx_tx_max_nss: array of the previous fields for easier loop access
2228 */
2229 struct ieee80211_eht_mcs_nss_supp_bw {
2230 union {
2231 struct {
2232 u8 rx_tx_mcs9_max_nss;
2233 u8 rx_tx_mcs11_max_nss;
2234 u8 rx_tx_mcs13_max_nss;
2235 };
2236 u8 rx_tx_max_nss[3];
2237 };
2238 };
2239
2240 /**
2241 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2242 *
2243 * This structure is the "EHT Capabilities element" fixed fields as
2244 * described in P802.11be_D2.0 section 9.4.2.313.
2245 *
2246 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2247 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2248 */
2249 struct ieee80211_eht_cap_elem_fixed {
2250 u8 mac_cap_info[2];
2251 u8 phy_cap_info[9];
2252 } __packed;
2253
2254 /**
2255 * struct ieee80211_eht_cap_elem - EHT capabilities element
2256 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2257 * @optional: optional parts
2258 */
2259 struct ieee80211_eht_cap_elem {
2260 struct ieee80211_eht_cap_elem_fixed fixed;
2261
2262 /*
2263 * Followed by:
2264 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2265 * EHT PPE Thresholds field: variable length.
2266 */
2267 u8 optional[];
2268 } __packed;
2269
2270 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2271 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2272 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2273 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2274 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2275
2276 /**
2277 * struct ieee80211_eht_operation - eht operation element
2278 *
2279 * This structure is the "EHT Operation Element" fields as
2280 * described in P802.11be_D2.0 section 9.4.2.311
2281 *
2282 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2283 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2284 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2285 * receive.
2286 * @optional: optional parts
2287 */
2288 struct ieee80211_eht_operation {
2289 u8 params;
2290 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2291 u8 optional[];
2292 } __packed;
2293
2294 /**
2295 * struct ieee80211_eht_operation_info - eht operation information
2296 *
2297 * @control: EHT operation information control.
2298 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2299 * EHT BSS.
2300 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2301 * @optional: optional parts
2302 */
2303 struct ieee80211_eht_operation_info {
2304 u8 control;
2305 u8 ccfs0;
2306 u8 ccfs1;
2307 u8 optional[];
2308 } __packed;
2309
2310 /* 802.11ac VHT Capabilities */
2311 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2312 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2313 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2314 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2315 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2316 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2317 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2318 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2319 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2320 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2321 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2322 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2323 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2324 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2325 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2326 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2327 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2328 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2329 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2330 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2331 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2332 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2333 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2334 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2335 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2336 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2337 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2338 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2339 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2340 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2341 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2342 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2343 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2344 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2345 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2346 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2347 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2348 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2349 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2350
2351 /**
2352 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2353 * @cap: VHT capabilities of the peer
2354 * @bw: bandwidth to use
2355 * @mcs: MCS index to use
2356 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2357 * (rate scaling algorithm) can deal with the new logic
2358 * (dot11VHTExtendedNSSBWCapable)
2359 * @max_vht_nss: current maximum NSS as advertised by the STA in
2360 * operating mode notification, can be 0 in which case the
2361 * capability data will be used to derive this (from MCS support)
2362 *
2363 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2364 * vary for a given BW/MCS. This function parses the data.
2365 *
2366 * Note: This function is exported by cfg80211.
2367 */
2368 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2369 enum ieee80211_vht_chanwidth bw,
2370 int mcs, bool ext_nss_bw_capable,
2371 unsigned int max_vht_nss);
2372
2373 /**
2374 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2375 *
2376 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2377 * @IEEE80211_REG_LPI_AP: Indoor Access Point
2378 * @IEEE80211_REG_SP_AP: Standard power Access Point
2379 * @IEEE80211_REG_VLP_AP: Very low power Access Point
2380 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2381 * @IEEE80211_REG_AP_POWER_MAX: maximum value
2382 */
2383 enum ieee80211_ap_reg_power {
2384 IEEE80211_REG_UNSET_AP,
2385 IEEE80211_REG_LPI_AP,
2386 IEEE80211_REG_SP_AP,
2387 IEEE80211_REG_VLP_AP,
2388 IEEE80211_REG_AP_POWER_AFTER_LAST,
2389 IEEE80211_REG_AP_POWER_MAX =
2390 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2391 };
2392
2393 /**
2394 * enum ieee80211_client_reg_power - regulatory power for a client
2395 *
2396 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2397 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2398 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2399 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2400 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2401 */
2402 enum ieee80211_client_reg_power {
2403 IEEE80211_REG_UNSET_CLIENT,
2404 IEEE80211_REG_DEFAULT_CLIENT,
2405 IEEE80211_REG_SUBORDINATE_CLIENT,
2406 IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2407 IEEE80211_REG_CLIENT_POWER_MAX =
2408 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2409 };
2410
2411 /* 802.11ax HE MAC capabilities */
2412 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2413 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2414 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2415 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2416 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2417 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2418 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2419 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2420 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2421 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2422 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2423 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2424 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2425 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2426 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2427 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2428 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2429
2430 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2431 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2432 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2433 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2434 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2435 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2436 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2437 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2438 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2439 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2440 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2441 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2442 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2443 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2444 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2445 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2446 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2447 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2448
2449 /* Link adaptation is split between byte HE_MAC_CAP1 and
2450 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2451 * in which case the following values apply:
2452 * 0 = No feedback.
2453 * 1 = reserved.
2454 * 2 = Unsolicited feedback.
2455 * 3 = both
2456 */
2457 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2458
2459 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2460 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2461 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2462 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2463 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2464 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2465 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2466 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2467
2468 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2469 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2470
2471 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2472 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2473 * same field in the HE capabilities.
2474 */
2475 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2476 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2477 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2478 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2479 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2480 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2481 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2482 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2483
2484 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2485 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2486 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2487 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2488 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2489 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2490 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2491 /* Multi TID agg TX is split between byte #4 and #5
2492 * The value is a combination of B39,B40,B41
2493 */
2494 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2495
2496 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2497 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2498 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2499 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2500 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2501 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2502 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2503 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2504
2505 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2506 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2507 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2508
2509 /* 802.11ax HE PHY capabilities */
2510 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2511 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2512 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2513 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2514 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2515
2516 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2517 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2518 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2519
2520 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2521 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2522 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2523 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2524 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2525 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2526 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2527 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2528 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2529 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2530
2531 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2532 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2533 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2534 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2535 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2536 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2537
2538 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2539 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2540 * case it indicates support for Tx.
2541 */
2542 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2543 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2544
2545 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2546 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2547 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2548 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2549 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2550 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2551 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2552 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2553 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2554 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2555 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2556 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2557 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2558 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2559 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2560 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2561
2562 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2563 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2564
2565 /* Minimal allowed value of Max STS under 80MHz is 3 */
2566 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2567 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2568 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2569 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2570 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2571 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2572
2573 /* Minimal allowed value of Max STS above 80MHz is 3 */
2574 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2575 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2576 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2577 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2578 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2579 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2580
2581 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2582 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2583 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2584 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2585 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2586 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2587 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2588 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2589 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2590
2591 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2592 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2593 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2594 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2595 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2596 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2597 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2598 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2599 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2600
2601 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2602 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2603
2604 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2605 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2606 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2607 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2608 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2609 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2610 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2611 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2612
2613 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2614 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2615 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2616 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2617 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2618 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2619 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2620 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2621 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2622 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2623 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2624 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2625 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2626
2627 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2628 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2629 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2630 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2631 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2632 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2633 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2634 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2635 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2636 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2637 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2638
2639 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2640 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2641 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2642 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2643 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2644 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2645 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2646 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2647 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2648 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2649 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2650 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2651
2652 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2653
2654 /* 802.11ax HE TX/RX MCS NSS Support */
2655 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2656 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2657 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2658 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2659 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2660
2661 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2662 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2663 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2664 HIGHEST_MCS_SUPPORTED_MCS8,
2665 HIGHEST_MCS_SUPPORTED_MCS9,
2666 HIGHEST_MCS_SUPPORTED_MCS10,
2667 HIGHEST_MCS_SUPPORTED_MCS11,
2668 };
2669
2670 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2671 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2672 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2673 {
2674 u8 count = 4;
2675
2676 if (he_cap->phy_cap_info[0] &
2677 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2678 count += 4;
2679
2680 if (he_cap->phy_cap_info[0] &
2681 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2682 count += 4;
2683
2684 return count;
2685 }
2686
2687 /* 802.11ax HE PPE Thresholds */
2688 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2689 #define IEEE80211_PPE_THRES_NSS_POS (0)
2690 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2691 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2692 (BIT(5) | BIT(6))
2693 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2694 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2695 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2696 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2697
2698 /*
2699 * Calculate 802.11ax HE capabilities IE PPE field size
2700 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2701 */
2702 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2703 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2704 {
2705 u8 n;
2706
2707 if ((phy_cap_info[6] &
2708 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2709 return 0;
2710
2711 n = hweight8(ppe_thres_hdr &
2712 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2713 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2714 IEEE80211_PPE_THRES_NSS_POS));
2715
2716 /*
2717 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2718 * total size.
2719 */
2720 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2721 n = DIV_ROUND_UP(n, 8);
2722
2723 return n;
2724 }
2725
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2726 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2727 {
2728 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2729 u8 needed = sizeof(*he_cap_ie_elem);
2730
2731 if (len < needed)
2732 return false;
2733
2734 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2735 if (len < needed)
2736 return false;
2737
2738 if (he_cap_ie_elem->phy_cap_info[6] &
2739 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2740 if (len < needed + 1)
2741 return false;
2742 needed += ieee80211_he_ppe_size(data[needed],
2743 he_cap_ie_elem->phy_cap_info);
2744 }
2745
2746 return len >= needed;
2747 }
2748
2749 /* HE Operation defines */
2750 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2751 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2752 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2753 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2754 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2755 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2756 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2757 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2758 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2759 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2760 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2761 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2762
2763 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2764 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2765 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2
2766 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP 3
2767 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP 4
2768
2769 /**
2770 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2771 * @primary: primary channel
2772 * @control: control flags
2773 * @ccfs0: channel center frequency segment 0
2774 * @ccfs1: channel center frequency segment 1
2775 * @minrate: minimum rate (in 1 Mbps units)
2776 */
2777 struct ieee80211_he_6ghz_oper {
2778 u8 primary;
2779 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2780 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2781 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2782 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2783 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2784 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2785 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2786 u8 control;
2787 u8 ccfs0;
2788 u8 ccfs1;
2789 u8 minrate;
2790 } __packed;
2791
2792 /*
2793 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2794 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2795 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2796 * Info subfield encoding in the United States".
2797 * So it it totally max 8 Transmit Power Envelope element.
2798 */
2799 #define IEEE80211_TPE_MAX_IE_COUNT 8
2800 /*
2801 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2802 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2803 */
2804 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2805
2806 #define IEEE80211_TPE_MAX_POWER_COUNT 8
2807
2808 /* transmit power interpretation type of transmit power envelope element */
2809 enum ieee80211_tx_power_intrpt_type {
2810 IEEE80211_TPE_LOCAL_EIRP,
2811 IEEE80211_TPE_LOCAL_EIRP_PSD,
2812 IEEE80211_TPE_REG_CLIENT_EIRP,
2813 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2814 };
2815
2816 /**
2817 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2818 * @tx_power_info: Transmit Power Information field
2819 * @tx_power: Maximum Transmit Power field
2820 *
2821 * This structure represents the payload of the "Transmit Power
2822 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2823 * 9.4.2.161
2824 */
2825 struct ieee80211_tx_pwr_env {
2826 u8 tx_power_info;
2827 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2828 } __packed;
2829
2830 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2831 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2832 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2833
2834 /*
2835 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2836 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2837 * after the ext ID byte. It is assumed that he_oper_ie has at least
2838 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2839 * validated this.
2840 * @return the actual size of the IE data (not including header), or 0 on error
2841 */
2842 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2843 ieee80211_he_oper_size(const u8 *he_oper_ie)
2844 {
2845 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2846 u8 oper_len = sizeof(struct ieee80211_he_operation);
2847 u32 he_oper_params;
2848
2849 /* Make sure the input is not NULL */
2850 if (!he_oper_ie)
2851 return 0;
2852
2853 /* Calc required length */
2854 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2855 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2856 oper_len += 3;
2857 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2858 oper_len++;
2859 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2860 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2861
2862 /* Add the first byte (extension ID) to the total length */
2863 oper_len++;
2864
2865 return oper_len;
2866 }
2867
2868 /**
2869 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2870 * @he_oper: HE operation element (must be pre-validated for size)
2871 * but may be %NULL
2872 *
2873 * Return: a pointer to the 6 GHz operation field, or %NULL
2874 */
2875 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2876 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2877 {
2878 const u8 *ret;
2879 u32 he_oper_params;
2880
2881 if (!he_oper)
2882 return NULL;
2883
2884 ret = (const void *)&he_oper->optional;
2885
2886 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2887
2888 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2889 return NULL;
2890 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2891 ret += 3;
2892 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2893 ret++;
2894
2895 return (const void *)ret;
2896 }
2897
2898 /* HE Spatial Reuse defines */
2899 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2900 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2901 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2902 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2903 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2904
2905 /*
2906 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2907 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2908 * after the ext ID byte. It is assumed that he_spr_ie has at least
2909 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2910 * this
2911 * @return the actual size of the IE data (not including header), or 0 on error
2912 */
2913 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2914 ieee80211_he_spr_size(const u8 *he_spr_ie)
2915 {
2916 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2917 u8 spr_len = sizeof(struct ieee80211_he_spr);
2918 u8 he_spr_params;
2919
2920 /* Make sure the input is not NULL */
2921 if (!he_spr_ie)
2922 return 0;
2923
2924 /* Calc required length */
2925 he_spr_params = he_spr->he_sr_control;
2926 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2927 spr_len++;
2928 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2929 spr_len += 18;
2930
2931 /* Add the first byte (extension ID) to the total length */
2932 spr_len++;
2933
2934 return spr_len;
2935 }
2936
2937 /* S1G Capabilities Information field */
2938 #define IEEE80211_S1G_CAPABILITY_LEN 15
2939
2940 #define S1G_CAP0_S1G_LONG BIT(0)
2941 #define S1G_CAP0_SGI_1MHZ BIT(1)
2942 #define S1G_CAP0_SGI_2MHZ BIT(2)
2943 #define S1G_CAP0_SGI_4MHZ BIT(3)
2944 #define S1G_CAP0_SGI_8MHZ BIT(4)
2945 #define S1G_CAP0_SGI_16MHZ BIT(5)
2946 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2947
2948 #define S1G_SUPP_CH_WIDTH_2 0
2949 #define S1G_SUPP_CH_WIDTH_4 1
2950 #define S1G_SUPP_CH_WIDTH_8 2
2951 #define S1G_SUPP_CH_WIDTH_16 3
2952 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2953 cap[0])) << 1)
2954
2955 #define S1G_CAP1_RX_LDPC BIT(0)
2956 #define S1G_CAP1_TX_STBC BIT(1)
2957 #define S1G_CAP1_RX_STBC BIT(2)
2958 #define S1G_CAP1_SU_BFER BIT(3)
2959 #define S1G_CAP1_SU_BFEE BIT(4)
2960 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2961
2962 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2963 #define S1G_CAP2_MU_BFER BIT(3)
2964 #define S1G_CAP2_MU_BFEE BIT(4)
2965 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2966 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2967
2968 #define S1G_CAP3_RD_RESPONDER BIT(0)
2969 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2970 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2971 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2972 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2973
2974 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2975 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2976 #define S1G_CAP4_BAT BIT(2)
2977 #define S1G_CAP4_TIME_ADE BIT(3)
2978 #define S1G_CAP4_NON_TIM BIT(4)
2979 #define S1G_CAP4_GROUP_AID BIT(5)
2980 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2981
2982 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2983 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2984 #define S1G_CAP5_AMSDU BIT(2)
2985 #define S1G_CAP5_AMPDU BIT(3)
2986 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2987 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2988 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2989
2990 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2991 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2992 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2993 #define S1G_CAP6_RAW_OPERATION BIT(3)
2994 #define S1G_CAP6_PAGE_SLICING BIT(4)
2995 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2996 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2997
2998 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2999 #define S1G_CAP7_DUP_1MHZ BIT(1)
3000 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
3001 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
3002 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
3003 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
3004 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
3005 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
3006
3007 #define S1G_CAP8_TWT_GROUPING BIT(0)
3008 #define S1G_CAP8_BDT BIT(1)
3009 #define S1G_CAP8_COLOR GENMASK(4, 2)
3010 #define S1G_CAP8_TWT_REQUEST BIT(5)
3011 #define S1G_CAP8_TWT_RESPOND BIT(6)
3012 #define S1G_CAP8_PV1_FRAME BIT(7)
3013
3014 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
3015
3016 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
3017 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
3018
3019 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
3020 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
3021 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
3022 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
3023 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
3024 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
3025 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
3026 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
3027 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
3028 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
3029 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
3030
3031 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
3032
3033 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
3034 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
3035 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
3036 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
3037 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
3038 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
3039 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
3040
3041 /* EHT beamformee number of spatial streams <= 80MHz is split */
3042 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
3043 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
3044
3045 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
3046 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
3047
3048 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
3049 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
3050
3051 /* EHT number of sounding dimensions for 320MHz is split */
3052 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
3053 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
3054 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
3055 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
3056 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
3057 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
3058 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
3059 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
3060 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
3061
3062 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
3063 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
3064 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
3065 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
3066 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
3067
3068 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
3069 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
3070 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
3071 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
3072 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
3073 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
3074 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
3075 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
3076 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
3077
3078 /* Maximum number of supported EHT LTF is split */
3079 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
3080 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
3081 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
3082
3083 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08
3084 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30
3085 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40
3086 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
3087 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
3088
3089 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3090 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3091 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3092 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3093 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3094 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3095 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3096 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3097
3098 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3099 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3100
3101 /*
3102 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3103 */
3104 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3105 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3106 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3107 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3108 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3109 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3110
3111 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3112 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)3113 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3114 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3115 bool from_ap)
3116 {
3117 u8 count = 0;
3118
3119 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3120 if (he_cap->phy_cap_info[0] &
3121 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3122 return 3;
3123
3124 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3125 if (he_cap->phy_cap_info[0] &
3126 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3127 count += 3;
3128
3129 if (he_cap->phy_cap_info[0] &
3130 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3131 count += 3;
3132
3133 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3134 count += 3;
3135
3136 if (count)
3137 return count;
3138
3139 return from_ap ? 3 : 4;
3140 }
3141
3142 /* 802.11be EHT PPE Thresholds */
3143 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3144 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3145 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3146 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3147 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3148
3149 /*
3150 * Calculate 802.11be EHT capabilities IE EHT field size
3151 */
3152 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)3153 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3154 {
3155 u32 n;
3156
3157 if (!(phy_cap_info[5] &
3158 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3159 return 0;
3160
3161 n = hweight16(ppe_thres_hdr &
3162 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3163 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3164
3165 /*
3166 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3167 * total size.
3168 */
3169 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3170 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3171 return DIV_ROUND_UP(n, 8);
3172 }
3173
3174 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)3175 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3176 bool from_ap)
3177 {
3178 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3179 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3180
3181 if (len < needed || !he_capa)
3182 return false;
3183
3184 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3185 (const void *)data,
3186 from_ap);
3187 if (len < needed)
3188 return false;
3189
3190 if (elem->phy_cap_info[5] &
3191 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3192 u16 ppe_thres_hdr;
3193
3194 if (len < needed + sizeof(ppe_thres_hdr))
3195 return false;
3196
3197 ppe_thres_hdr = get_unaligned_le16(data + needed);
3198 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3199 elem->phy_cap_info);
3200 }
3201
3202 return len >= needed;
3203 }
3204
3205 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)3206 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3207 {
3208 const struct ieee80211_eht_operation *elem = (const void *)data;
3209 u8 needed = sizeof(*elem);
3210
3211 if (len < needed)
3212 return false;
3213
3214 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3215 needed += 3;
3216
3217 if (elem->params &
3218 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3219 needed += 2;
3220 }
3221
3222 return len >= needed;
3223 }
3224
3225 /* must validate ieee80211_eht_oper_size_ok() first */
3226 static inline u16
ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation * eht_oper)3227 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper)
3228 {
3229 const struct ieee80211_eht_operation_info *info =
3230 (const void *)eht_oper->optional;
3231
3232 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT))
3233 return 0;
3234
3235 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT))
3236 return 0;
3237
3238 return get_unaligned_le16(info->optional);
3239 }
3240
3241 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1)
3242
3243 struct ieee80211_bandwidth_indication {
3244 u8 params;
3245 struct ieee80211_eht_operation_info info;
3246 } __packed;
3247
3248 static inline bool
ieee80211_bandwidth_indication_size_ok(const u8 * data,u8 len)3249 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3250 {
3251 const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3252
3253 if (len < sizeof(*bwi))
3254 return false;
3255
3256 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3257 len < sizeof(*bwi) + 2)
3258 return false;
3259
3260 return true;
3261 }
3262
3263 #define LISTEN_INT_USF GENMASK(15, 14)
3264 #define LISTEN_INT_UI GENMASK(13, 0)
3265
3266 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3267 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3268
3269 /* Authentication algorithms */
3270 #define WLAN_AUTH_OPEN 0
3271 #define WLAN_AUTH_SHARED_KEY 1
3272 #define WLAN_AUTH_FT 2
3273 #define WLAN_AUTH_SAE 3
3274 #define WLAN_AUTH_FILS_SK 4
3275 #define WLAN_AUTH_FILS_SK_PFS 5
3276 #define WLAN_AUTH_FILS_PK 6
3277 #define WLAN_AUTH_LEAP 128
3278
3279 #define WLAN_AUTH_CHALLENGE_LEN 128
3280
3281 #define WLAN_CAPABILITY_ESS (1<<0)
3282 #define WLAN_CAPABILITY_IBSS (1<<1)
3283
3284 /*
3285 * A mesh STA sets the ESS and IBSS capability bits to zero.
3286 * however, this holds true for p2p probe responses (in the p2p_find
3287 * phase) as well.
3288 */
3289 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3290 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3291
3292 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3293 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3294 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3295 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3296 #define WLAN_CAPABILITY_PBCC (1<<6)
3297 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3298
3299 /* 802.11h */
3300 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3301 #define WLAN_CAPABILITY_QOS (1<<9)
3302 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3303 #define WLAN_CAPABILITY_APSD (1<<11)
3304 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3305 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3306 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3307 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3308
3309 /* DMG (60gHz) 802.11ad */
3310 /* type - bits 0..1 */
3311 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3312 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3313 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3314 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3315
3316 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3317 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3318 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3319 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3320
3321 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3322 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3323
3324 /* measurement */
3325 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3326 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3327 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3328
3329 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3330 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3331 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3332 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3333 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3334
3335 /* 802.11g ERP information element */
3336 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3337 #define WLAN_ERP_USE_PROTECTION (1<<1)
3338 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3339
3340 /* WLAN_ERP_BARKER_PREAMBLE values */
3341 enum {
3342 WLAN_ERP_PREAMBLE_SHORT = 0,
3343 WLAN_ERP_PREAMBLE_LONG = 1,
3344 };
3345
3346 /* Band ID, 802.11ad #8.4.1.45 */
3347 enum {
3348 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3349 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3350 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3351 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3352 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3353 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3354 };
3355
3356 /* Status codes */
3357 enum ieee80211_statuscode {
3358 WLAN_STATUS_SUCCESS = 0,
3359 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3360 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3361 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3362 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3363 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3364 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3365 WLAN_STATUS_CHALLENGE_FAIL = 15,
3366 WLAN_STATUS_AUTH_TIMEOUT = 16,
3367 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3368 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3369 /* 802.11b */
3370 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3371 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3372 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3373 /* 802.11h */
3374 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3375 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3376 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3377 /* 802.11g */
3378 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3379 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3380 /* 802.11w */
3381 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3382 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3383 /* 802.11i */
3384 WLAN_STATUS_INVALID_IE = 40,
3385 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3386 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3387 WLAN_STATUS_INVALID_AKMP = 43,
3388 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3389 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3390 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3391 /* 802.11e */
3392 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3393 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3394 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3395 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3396 WLAN_STATUS_REQUEST_DECLINED = 37,
3397 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3398 WLAN_STATUS_CHANGE_TSPEC = 39,
3399 WLAN_STATUS_WAIT_TS_DELAY = 47,
3400 WLAN_STATUS_NO_DIRECT_LINK = 48,
3401 WLAN_STATUS_STA_NOT_PRESENT = 49,
3402 WLAN_STATUS_STA_NOT_QSTA = 50,
3403 /* 802.11s */
3404 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3405 WLAN_STATUS_FCG_NOT_SUPP = 78,
3406 WLAN_STATUS_STA_NO_TBTT = 78,
3407 /* 802.11ad */
3408 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3409 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3410 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3411 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3412 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3413 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3414 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3415 WLAN_STATUS_REJECT_DSE_BAND = 96,
3416 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3417 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3418 /* 802.11ai */
3419 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3420 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3421 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3422 WLAN_STATUS_SAE_PK = 127,
3423 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133,
3424 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134,
3425 };
3426
3427
3428 /* Reason codes */
3429 enum ieee80211_reasoncode {
3430 WLAN_REASON_UNSPECIFIED = 1,
3431 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3432 WLAN_REASON_DEAUTH_LEAVING = 3,
3433 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3434 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3435 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3436 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3437 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3438 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3439 /* 802.11h */
3440 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3441 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3442 /* 802.11i */
3443 WLAN_REASON_INVALID_IE = 13,
3444 WLAN_REASON_MIC_FAILURE = 14,
3445 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3446 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3447 WLAN_REASON_IE_DIFFERENT = 17,
3448 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3449 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3450 WLAN_REASON_INVALID_AKMP = 20,
3451 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3452 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3453 WLAN_REASON_IEEE8021X_FAILED = 23,
3454 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3455 /* TDLS (802.11z) */
3456 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3457 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3458 /* 802.11e */
3459 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3460 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3461 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3462 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3463 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3464 WLAN_REASON_QSTA_NOT_USE = 37,
3465 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3466 WLAN_REASON_QSTA_TIMEOUT = 39,
3467 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3468 /* 802.11s */
3469 WLAN_REASON_MESH_PEER_CANCELED = 52,
3470 WLAN_REASON_MESH_MAX_PEERS = 53,
3471 WLAN_REASON_MESH_CONFIG = 54,
3472 WLAN_REASON_MESH_CLOSE = 55,
3473 WLAN_REASON_MESH_MAX_RETRIES = 56,
3474 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3475 WLAN_REASON_MESH_INVALID_GTK = 58,
3476 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3477 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3478 WLAN_REASON_MESH_PATH_ERROR = 61,
3479 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3480 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3481 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3482 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3483 WLAN_REASON_MESH_CHAN = 66,
3484 };
3485
3486
3487 /* Information Element IDs */
3488 enum ieee80211_eid {
3489 WLAN_EID_SSID = 0,
3490 WLAN_EID_SUPP_RATES = 1,
3491 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3492 WLAN_EID_DS_PARAMS = 3,
3493 WLAN_EID_CF_PARAMS = 4,
3494 WLAN_EID_TIM = 5,
3495 WLAN_EID_IBSS_PARAMS = 6,
3496 WLAN_EID_COUNTRY = 7,
3497 /* 8, 9 reserved */
3498 WLAN_EID_REQUEST = 10,
3499 WLAN_EID_QBSS_LOAD = 11,
3500 WLAN_EID_EDCA_PARAM_SET = 12,
3501 WLAN_EID_TSPEC = 13,
3502 WLAN_EID_TCLAS = 14,
3503 WLAN_EID_SCHEDULE = 15,
3504 WLAN_EID_CHALLENGE = 16,
3505 /* 17-31 reserved for challenge text extension */
3506 WLAN_EID_PWR_CONSTRAINT = 32,
3507 WLAN_EID_PWR_CAPABILITY = 33,
3508 WLAN_EID_TPC_REQUEST = 34,
3509 WLAN_EID_TPC_REPORT = 35,
3510 WLAN_EID_SUPPORTED_CHANNELS = 36,
3511 WLAN_EID_CHANNEL_SWITCH = 37,
3512 WLAN_EID_MEASURE_REQUEST = 38,
3513 WLAN_EID_MEASURE_REPORT = 39,
3514 WLAN_EID_QUIET = 40,
3515 WLAN_EID_IBSS_DFS = 41,
3516 WLAN_EID_ERP_INFO = 42,
3517 WLAN_EID_TS_DELAY = 43,
3518 WLAN_EID_TCLAS_PROCESSING = 44,
3519 WLAN_EID_HT_CAPABILITY = 45,
3520 WLAN_EID_QOS_CAPA = 46,
3521 /* 47 reserved for Broadcom */
3522 WLAN_EID_RSN = 48,
3523 WLAN_EID_802_15_COEX = 49,
3524 WLAN_EID_EXT_SUPP_RATES = 50,
3525 WLAN_EID_AP_CHAN_REPORT = 51,
3526 WLAN_EID_NEIGHBOR_REPORT = 52,
3527 WLAN_EID_RCPI = 53,
3528 WLAN_EID_MOBILITY_DOMAIN = 54,
3529 WLAN_EID_FAST_BSS_TRANSITION = 55,
3530 WLAN_EID_TIMEOUT_INTERVAL = 56,
3531 WLAN_EID_RIC_DATA = 57,
3532 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3533 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3534 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3535 WLAN_EID_HT_OPERATION = 61,
3536 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3537 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3538 WLAN_EID_ANTENNA_INFO = 64,
3539 WLAN_EID_RSNI = 65,
3540 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3541 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3542 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3543 WLAN_EID_TIME_ADVERTISEMENT = 69,
3544 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3545 WLAN_EID_MULTIPLE_BSSID = 71,
3546 WLAN_EID_BSS_COEX_2040 = 72,
3547 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3548 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3549 WLAN_EID_RIC_DESCRIPTOR = 75,
3550 WLAN_EID_MMIE = 76,
3551 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3552 WLAN_EID_EVENT_REQUEST = 78,
3553 WLAN_EID_EVENT_REPORT = 79,
3554 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3555 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3556 WLAN_EID_LOCATION_PARAMS = 82,
3557 WLAN_EID_NON_TX_BSSID_CAP = 83,
3558 WLAN_EID_SSID_LIST = 84,
3559 WLAN_EID_MULTI_BSSID_IDX = 85,
3560 WLAN_EID_FMS_DESCRIPTOR = 86,
3561 WLAN_EID_FMS_REQUEST = 87,
3562 WLAN_EID_FMS_RESPONSE = 88,
3563 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3564 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3565 WLAN_EID_TSF_REQUEST = 91,
3566 WLAN_EID_TSF_RESPOSNE = 92,
3567 WLAN_EID_WNM_SLEEP_MODE = 93,
3568 WLAN_EID_TIM_BCAST_REQ = 94,
3569 WLAN_EID_TIM_BCAST_RESP = 95,
3570 WLAN_EID_COLL_IF_REPORT = 96,
3571 WLAN_EID_CHANNEL_USAGE = 97,
3572 WLAN_EID_TIME_ZONE = 98,
3573 WLAN_EID_DMS_REQUEST = 99,
3574 WLAN_EID_DMS_RESPONSE = 100,
3575 WLAN_EID_LINK_ID = 101,
3576 WLAN_EID_WAKEUP_SCHEDUL = 102,
3577 /* 103 reserved */
3578 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3579 WLAN_EID_PTI_CONTROL = 105,
3580 WLAN_EID_PU_BUFFER_STATUS = 106,
3581 WLAN_EID_INTERWORKING = 107,
3582 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3583 WLAN_EID_EXPEDITED_BW_REQ = 109,
3584 WLAN_EID_QOS_MAP_SET = 110,
3585 WLAN_EID_ROAMING_CONSORTIUM = 111,
3586 WLAN_EID_EMERGENCY_ALERT = 112,
3587 WLAN_EID_MESH_CONFIG = 113,
3588 WLAN_EID_MESH_ID = 114,
3589 WLAN_EID_LINK_METRIC_REPORT = 115,
3590 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3591 WLAN_EID_PEER_MGMT = 117,
3592 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3593 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3594 WLAN_EID_BEACON_TIMING = 120,
3595 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3596 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3597 WLAN_EID_MCCAOP_ADVERT = 123,
3598 WLAN_EID_MCCAOP_TEARDOWN = 124,
3599 WLAN_EID_GANN = 125,
3600 WLAN_EID_RANN = 126,
3601 WLAN_EID_EXT_CAPABILITY = 127,
3602 /* 128, 129 reserved for Agere */
3603 WLAN_EID_PREQ = 130,
3604 WLAN_EID_PREP = 131,
3605 WLAN_EID_PERR = 132,
3606 /* 133-136 reserved for Cisco */
3607 WLAN_EID_PXU = 137,
3608 WLAN_EID_PXUC = 138,
3609 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3610 WLAN_EID_MIC = 140,
3611 WLAN_EID_DESTINATION_URI = 141,
3612 WLAN_EID_UAPSD_COEX = 142,
3613 WLAN_EID_WAKEUP_SCHEDULE = 143,
3614 WLAN_EID_EXT_SCHEDULE = 144,
3615 WLAN_EID_STA_AVAILABILITY = 145,
3616 WLAN_EID_DMG_TSPEC = 146,
3617 WLAN_EID_DMG_AT = 147,
3618 WLAN_EID_DMG_CAP = 148,
3619 /* 149 reserved for Cisco */
3620 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3621 WLAN_EID_DMG_OPERATION = 151,
3622 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3623 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3624 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3625 /* 155-156 reserved for Cisco */
3626 WLAN_EID_AWAKE_WINDOW = 157,
3627 WLAN_EID_MULTI_BAND = 158,
3628 WLAN_EID_ADDBA_EXT = 159,
3629 WLAN_EID_NEXT_PCP_LIST = 160,
3630 WLAN_EID_PCP_HANDOVER = 161,
3631 WLAN_EID_DMG_LINK_MARGIN = 162,
3632 WLAN_EID_SWITCHING_STREAM = 163,
3633 WLAN_EID_SESSION_TRANSITION = 164,
3634 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3635 WLAN_EID_CLUSTER_REPORT = 166,
3636 WLAN_EID_RELAY_CAP = 167,
3637 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3638 WLAN_EID_BEAM_LINK_MAINT = 169,
3639 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3640 WLAN_EID_U_PID = 171,
3641 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3642 /* 173 reserved for Symbol */
3643 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3644 WLAN_EID_QUIET_PERIOD_REQ = 175,
3645 /* 176 reserved for Symbol */
3646 WLAN_EID_QUIET_PERIOD_RESP = 177,
3647 /* 178-179 reserved for Symbol */
3648 /* 180 reserved for ISO/IEC 20011 */
3649 WLAN_EID_EPAC_POLICY = 182,
3650 WLAN_EID_CLISTER_TIME_OFF = 183,
3651 WLAN_EID_INTER_AC_PRIO = 184,
3652 WLAN_EID_SCS_DESCRIPTOR = 185,
3653 WLAN_EID_QLOAD_REPORT = 186,
3654 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3655 WLAN_EID_HL_STREAM_ID = 188,
3656 WLAN_EID_GCR_GROUP_ADDR = 189,
3657 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3658 WLAN_EID_VHT_CAPABILITY = 191,
3659 WLAN_EID_VHT_OPERATION = 192,
3660 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3661 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3662 WLAN_EID_TX_POWER_ENVELOPE = 195,
3663 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3664 WLAN_EID_AID = 197,
3665 WLAN_EID_QUIET_CHANNEL = 198,
3666 WLAN_EID_OPMODE_NOTIF = 199,
3667
3668 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3669
3670 WLAN_EID_AID_REQUEST = 210,
3671 WLAN_EID_AID_RESPONSE = 211,
3672 WLAN_EID_S1G_BCN_COMPAT = 213,
3673 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3674 WLAN_EID_S1G_TWT = 216,
3675 WLAN_EID_S1G_CAPABILITIES = 217,
3676 WLAN_EID_VENDOR_SPECIFIC = 221,
3677 WLAN_EID_QOS_PARAMETER = 222,
3678 WLAN_EID_S1G_OPERATION = 232,
3679 WLAN_EID_CAG_NUMBER = 237,
3680 WLAN_EID_AP_CSN = 239,
3681 WLAN_EID_FILS_INDICATION = 240,
3682 WLAN_EID_DILS = 241,
3683 WLAN_EID_FRAGMENT = 242,
3684 WLAN_EID_RSNX = 244,
3685 WLAN_EID_EXTENSION = 255
3686 };
3687
3688 /* Element ID Extensions for Element ID 255 */
3689 enum ieee80211_eid_ext {
3690 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3691 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3692 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3693 WLAN_EID_EXT_FILS_SESSION = 4,
3694 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3695 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3696 WLAN_EID_EXT_KEY_DELIVERY = 7,
3697 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3698 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3699 WLAN_EID_EXT_FILS_NONCE = 13,
3700 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3701 WLAN_EID_EXT_HE_CAPABILITY = 35,
3702 WLAN_EID_EXT_HE_OPERATION = 36,
3703 WLAN_EID_EXT_UORA = 37,
3704 WLAN_EID_EXT_HE_MU_EDCA = 38,
3705 WLAN_EID_EXT_HE_SPR = 39,
3706 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3707 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3708 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3709 WLAN_EID_EXT_ESS_REPORT = 45,
3710 WLAN_EID_EXT_OPS = 46,
3711 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3712 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3713 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3714 WLAN_EID_EXT_NON_INHERITANCE = 56,
3715 WLAN_EID_EXT_KNOWN_BSSID = 57,
3716 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3717 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3718 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3719 WLAN_EID_EXT_EHT_OPERATION = 106,
3720 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3721 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3722 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3723 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3724 };
3725
3726 /* Action category code */
3727 enum ieee80211_category {
3728 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3729 WLAN_CATEGORY_QOS = 1,
3730 WLAN_CATEGORY_DLS = 2,
3731 WLAN_CATEGORY_BACK = 3,
3732 WLAN_CATEGORY_PUBLIC = 4,
3733 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3734 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3735 WLAN_CATEGORY_HT = 7,
3736 WLAN_CATEGORY_SA_QUERY = 8,
3737 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3738 WLAN_CATEGORY_WNM = 10,
3739 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3740 WLAN_CATEGORY_TDLS = 12,
3741 WLAN_CATEGORY_MESH_ACTION = 13,
3742 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3743 WLAN_CATEGORY_SELF_PROTECTED = 15,
3744 WLAN_CATEGORY_DMG = 16,
3745 WLAN_CATEGORY_WMM = 17,
3746 WLAN_CATEGORY_FST = 18,
3747 WLAN_CATEGORY_UNPROT_DMG = 20,
3748 WLAN_CATEGORY_VHT = 21,
3749 WLAN_CATEGORY_S1G = 22,
3750 WLAN_CATEGORY_PROTECTED_EHT = 37,
3751 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3752 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3753 };
3754
3755 /* SPECTRUM_MGMT action code */
3756 enum ieee80211_spectrum_mgmt_actioncode {
3757 WLAN_ACTION_SPCT_MSR_REQ = 0,
3758 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3759 WLAN_ACTION_SPCT_TPC_REQ = 2,
3760 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3761 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3762 };
3763
3764 /* HT action codes */
3765 enum ieee80211_ht_actioncode {
3766 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3767 WLAN_HT_ACTION_SMPS = 1,
3768 WLAN_HT_ACTION_PSMP = 2,
3769 WLAN_HT_ACTION_PCO_PHASE = 3,
3770 WLAN_HT_ACTION_CSI = 4,
3771 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3772 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3773 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3774 };
3775
3776 /* VHT action codes */
3777 enum ieee80211_vht_actioncode {
3778 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3779 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3780 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3781 };
3782
3783 /* Self Protected Action codes */
3784 enum ieee80211_self_protected_actioncode {
3785 WLAN_SP_RESERVED = 0,
3786 WLAN_SP_MESH_PEERING_OPEN = 1,
3787 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3788 WLAN_SP_MESH_PEERING_CLOSE = 3,
3789 WLAN_SP_MGK_INFORM = 4,
3790 WLAN_SP_MGK_ACK = 5,
3791 };
3792
3793 /* Mesh action codes */
3794 enum ieee80211_mesh_actioncode {
3795 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3796 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3797 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3798 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3799 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3800 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3801 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3802 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3803 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3804 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3805 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3806 };
3807
3808 /* Unprotected WNM action codes */
3809 enum ieee80211_unprotected_wnm_actioncode {
3810 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3811 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3812 };
3813
3814 /* Protected EHT action codes */
3815 enum ieee80211_protected_eht_actioncode {
3816 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0,
3817 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1,
3818 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2,
3819 };
3820
3821 /* Security key length */
3822 enum ieee80211_key_len {
3823 WLAN_KEY_LEN_WEP40 = 5,
3824 WLAN_KEY_LEN_WEP104 = 13,
3825 WLAN_KEY_LEN_CCMP = 16,
3826 WLAN_KEY_LEN_CCMP_256 = 32,
3827 WLAN_KEY_LEN_TKIP = 32,
3828 WLAN_KEY_LEN_AES_CMAC = 16,
3829 WLAN_KEY_LEN_SMS4 = 32,
3830 WLAN_KEY_LEN_GCMP = 16,
3831 WLAN_KEY_LEN_GCMP_256 = 32,
3832 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3833 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3834 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3835 };
3836
3837 enum ieee80211_s1g_actioncode {
3838 WLAN_S1G_AID_SWITCH_REQUEST,
3839 WLAN_S1G_AID_SWITCH_RESPONSE,
3840 WLAN_S1G_SYNC_CONTROL,
3841 WLAN_S1G_STA_INFO_ANNOUNCE,
3842 WLAN_S1G_EDCA_PARAM_SET,
3843 WLAN_S1G_EL_OPERATION,
3844 WLAN_S1G_TWT_SETUP,
3845 WLAN_S1G_TWT_TEARDOWN,
3846 WLAN_S1G_SECT_GROUP_ID_LIST,
3847 WLAN_S1G_SECT_ID_FEEDBACK,
3848 WLAN_S1G_TWT_INFORMATION = 11,
3849 };
3850
3851 #define IEEE80211_WEP_IV_LEN 4
3852 #define IEEE80211_WEP_ICV_LEN 4
3853 #define IEEE80211_CCMP_HDR_LEN 8
3854 #define IEEE80211_CCMP_MIC_LEN 8
3855 #define IEEE80211_CCMP_PN_LEN 6
3856 #define IEEE80211_CCMP_256_HDR_LEN 8
3857 #define IEEE80211_CCMP_256_MIC_LEN 16
3858 #define IEEE80211_CCMP_256_PN_LEN 6
3859 #define IEEE80211_TKIP_IV_LEN 8
3860 #define IEEE80211_TKIP_ICV_LEN 4
3861 #define IEEE80211_CMAC_PN_LEN 6
3862 #define IEEE80211_GMAC_PN_LEN 6
3863 #define IEEE80211_GCMP_HDR_LEN 8
3864 #define IEEE80211_GCMP_MIC_LEN 16
3865 #define IEEE80211_GCMP_PN_LEN 6
3866
3867 #define FILS_NONCE_LEN 16
3868 #define FILS_MAX_KEK_LEN 64
3869
3870 #define FILS_ERP_MAX_USERNAME_LEN 16
3871 #define FILS_ERP_MAX_REALM_LEN 253
3872 #define FILS_ERP_MAX_RRK_LEN 64
3873
3874 #define PMK_MAX_LEN 64
3875 #define SAE_PASSWORD_MAX_LEN 128
3876
3877 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3878 enum ieee80211_pub_actioncode {
3879 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3880 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3881 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3882 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3883 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3884 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3885 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3886 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3887 WLAN_PUB_ACTION_DSE_PC = 8,
3888 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3889 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3890 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3891 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3892 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3893 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3894 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3895 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3896 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3897 WLAN_PUB_ACTION_QMF_POLICY = 18,
3898 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3899 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3900 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3901 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3902 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3903 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3904 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3905 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3906 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3907 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3908 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3909 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3910 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3911 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3912 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3913 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3914 };
3915
3916 /* TDLS action codes */
3917 enum ieee80211_tdls_actioncode {
3918 WLAN_TDLS_SETUP_REQUEST = 0,
3919 WLAN_TDLS_SETUP_RESPONSE = 1,
3920 WLAN_TDLS_SETUP_CONFIRM = 2,
3921 WLAN_TDLS_TEARDOWN = 3,
3922 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3923 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3924 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3925 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3926 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3927 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3928 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3929 };
3930
3931 /* Extended Channel Switching capability to be set in the 1st byte of
3932 * the @WLAN_EID_EXT_CAPABILITY information element
3933 */
3934 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3935
3936 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3937 * @WLAN_EID_EXT_CAPABILITY information element
3938 */
3939 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3940
3941 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3942 * of the @WLAN_EID_EXT_CAPABILITY information element
3943 */
3944 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3945
3946 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3947 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3948 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3949 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3950
3951 /* Interworking capabilities are set in 7th bit of 4th byte of the
3952 * @WLAN_EID_EXT_CAPABILITY information element
3953 */
3954 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3955
3956 /*
3957 * TDLS capabililites to be enabled in the 5th byte of the
3958 * @WLAN_EID_EXT_CAPABILITY information element
3959 */
3960 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3961 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3962 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3963
3964 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3965 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3966
3967 /* Defines the maximal number of MSDUs in an A-MSDU. */
3968 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3969 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3970
3971 /*
3972 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3973 * information element
3974 */
3975 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3976
3977 /* Defines support for TWT Requester and TWT Responder */
3978 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3979 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3980
3981 /*
3982 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3983 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3984 * 26-tone RU UL OFDMA transmissions as radar pulses).
3985 */
3986 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3987
3988 /* Defines support for enhanced multi-bssid advertisement*/
3989 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3990
3991 /* TDLS specific payload type in the LLC/SNAP header */
3992 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3993
3994 /* BSS Coex IE information field bits */
3995 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3996
3997 /**
3998 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3999 *
4000 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
4001 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
4002 * that will be specified in a vendor specific information element
4003 */
4004 enum ieee80211_mesh_sync_method {
4005 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
4006 IEEE80211_SYNC_METHOD_VENDOR = 255,
4007 };
4008
4009 /**
4010 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
4011 *
4012 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
4013 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
4014 * be specified in a vendor specific information element
4015 */
4016 enum ieee80211_mesh_path_protocol {
4017 IEEE80211_PATH_PROTOCOL_HWMP = 1,
4018 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
4019 };
4020
4021 /**
4022 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
4023 *
4024 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
4025 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
4026 * specified in a vendor specific information element
4027 */
4028 enum ieee80211_mesh_path_metric {
4029 IEEE80211_PATH_METRIC_AIRTIME = 1,
4030 IEEE80211_PATH_METRIC_VENDOR = 255,
4031 };
4032
4033 /**
4034 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
4035 *
4036 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
4037 *
4038 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
4039 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
4040 * this value
4041 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
4042 * the proactive PREQ with proactive PREP subfield set to 0
4043 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
4044 * supports the proactive PREQ with proactive PREP subfield set to 1
4045 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
4046 * the proactive RANN
4047 */
4048 enum ieee80211_root_mode_identifier {
4049 IEEE80211_ROOTMODE_NO_ROOT = 0,
4050 IEEE80211_ROOTMODE_ROOT = 1,
4051 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
4052 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
4053 IEEE80211_PROACTIVE_RANN = 4,
4054 };
4055
4056 /*
4057 * IEEE 802.11-2007 7.3.2.9 Country information element
4058 *
4059 * Minimum length is 8 octets, ie len must be evenly
4060 * divisible by 2
4061 */
4062
4063 /* Although the spec says 8 I'm seeing 6 in practice */
4064 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
4065
4066 /* The Country String field of the element shall be 3 octets in length */
4067 #define IEEE80211_COUNTRY_STRING_LEN 3
4068
4069 /*
4070 * For regulatory extension stuff see IEEE 802.11-2007
4071 * Annex I (page 1141) and Annex J (page 1147). Also
4072 * review 7.3.2.9.
4073 *
4074 * When dot11RegulatoryClassesRequired is true and the
4075 * first_channel/reg_extension_id is >= 201 then the IE
4076 * compromises of the 'ext' struct represented below:
4077 *
4078 * - Regulatory extension ID - when generating IE this just needs
4079 * to be monotonically increasing for each triplet passed in
4080 * the IE
4081 * - Regulatory class - index into set of rules
4082 * - Coverage class - index into air propagation time (Table 7-27),
4083 * in microseconds, you can compute the air propagation time from
4084 * the index by multiplying by 3, so index 10 yields a propagation
4085 * of 10 us. Valid values are 0-31, values 32-255 are not defined
4086 * yet. A value of 0 inicates air propagation of <= 1 us.
4087 *
4088 * See also Table I.2 for Emission limit sets and table
4089 * I.3 for Behavior limit sets. Table J.1 indicates how to map
4090 * a reg_class to an emission limit set and behavior limit set.
4091 */
4092 #define IEEE80211_COUNTRY_EXTENSION_ID 201
4093
4094 /*
4095 * Channels numbers in the IE must be monotonically increasing
4096 * if dot11RegulatoryClassesRequired is not true.
4097 *
4098 * If dot11RegulatoryClassesRequired is true consecutive
4099 * subband triplets following a regulatory triplet shall
4100 * have monotonically increasing first_channel number fields.
4101 *
4102 * Channel numbers shall not overlap.
4103 *
4104 * Note that max_power is signed.
4105 */
4106 struct ieee80211_country_ie_triplet {
4107 union {
4108 struct {
4109 u8 first_channel;
4110 u8 num_channels;
4111 s8 max_power;
4112 } __packed chans;
4113 struct {
4114 u8 reg_extension_id;
4115 u8 reg_class;
4116 u8 coverage_class;
4117 } __packed ext;
4118 };
4119 } __packed;
4120
4121 enum ieee80211_timeout_interval_type {
4122 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4123 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4124 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4125 };
4126
4127 /**
4128 * struct ieee80211_timeout_interval_ie - Timeout Interval element
4129 * @type: type, see &enum ieee80211_timeout_interval_type
4130 * @value: timeout interval value
4131 */
4132 struct ieee80211_timeout_interval_ie {
4133 u8 type;
4134 __le32 value;
4135 } __packed;
4136
4137 /**
4138 * enum ieee80211_idle_options - BSS idle options
4139 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4140 * protected frame to the AP to reset the idle timer at the AP for
4141 * the station.
4142 */
4143 enum ieee80211_idle_options {
4144 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4145 };
4146
4147 /**
4148 * struct ieee80211_bss_max_idle_period_ie
4149 *
4150 * This structure refers to "BSS Max idle period element"
4151 *
4152 * @max_idle_period: indicates the time period during which a station can
4153 * refrain from transmitting frames to its associated AP without being
4154 * disassociated. In units of 1000 TUs.
4155 * @idle_options: indicates the options associated with the BSS idle capability
4156 * as specified in &enum ieee80211_idle_options.
4157 */
4158 struct ieee80211_bss_max_idle_period_ie {
4159 __le16 max_idle_period;
4160 u8 idle_options;
4161 } __packed;
4162
4163 /* BACK action code */
4164 enum ieee80211_back_actioncode {
4165 WLAN_ACTION_ADDBA_REQ = 0,
4166 WLAN_ACTION_ADDBA_RESP = 1,
4167 WLAN_ACTION_DELBA = 2,
4168 };
4169
4170 /* BACK (block-ack) parties */
4171 enum ieee80211_back_parties {
4172 WLAN_BACK_RECIPIENT = 0,
4173 WLAN_BACK_INITIATOR = 1,
4174 };
4175
4176 /* SA Query action */
4177 enum ieee80211_sa_query_action {
4178 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4179 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4180 };
4181
4182 /**
4183 * struct ieee80211_bssid_index
4184 *
4185 * This structure refers to "Multiple BSSID-index element"
4186 *
4187 * @bssid_index: BSSID index
4188 * @dtim_period: optional, overrides transmitted BSS dtim period
4189 * @dtim_count: optional, overrides transmitted BSS dtim count
4190 */
4191 struct ieee80211_bssid_index {
4192 u8 bssid_index;
4193 u8 dtim_period;
4194 u8 dtim_count;
4195 };
4196
4197 /**
4198 * struct ieee80211_multiple_bssid_configuration
4199 *
4200 * This structure refers to "Multiple BSSID Configuration element"
4201 *
4202 * @bssid_count: total number of active BSSIDs in the set
4203 * @profile_periodicity: the least number of beacon frames need to be received
4204 * in order to discover all the nontransmitted BSSIDs in the set.
4205 */
4206 struct ieee80211_multiple_bssid_configuration {
4207 u8 bssid_count;
4208 u8 profile_periodicity;
4209 };
4210
4211 #define SUITE(oui, id) (((oui) << 8) | (id))
4212
4213 /* cipher suite selectors */
4214 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4215 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4216 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4217 /* reserved: SUITE(0x000FAC, 3) */
4218 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4219 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4220 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4221 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4222 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4223 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4224 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4225 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4226 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4227
4228 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4229
4230 /* AKM suite selectors */
4231 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4232 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4233 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4234 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4235 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4236 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4237 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4238 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4239 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4240 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4241 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4242 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4243 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4244 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4245 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4246 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4247 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4248 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4249 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4250 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4251
4252 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4253
4254 #define WLAN_MAX_KEY_LEN 32
4255
4256 #define WLAN_PMK_NAME_LEN 16
4257 #define WLAN_PMKID_LEN 16
4258 #define WLAN_PMK_LEN_EAP_LEAP 16
4259 #define WLAN_PMK_LEN 32
4260 #define WLAN_PMK_LEN_SUITE_B_192 48
4261
4262 #define WLAN_OUI_WFA 0x506f9a
4263 #define WLAN_OUI_TYPE_WFA_P2P 9
4264 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4265 #define WLAN_OUI_MICROSOFT 0x0050f2
4266 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4267 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4268 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4269 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4270
4271 /*
4272 * WMM/802.11e Tspec Element
4273 */
4274 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4275 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4276
4277 enum ieee80211_tspec_status_code {
4278 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4279 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4280 };
4281
4282 struct ieee80211_tspec_ie {
4283 u8 element_id;
4284 u8 len;
4285 u8 oui[3];
4286 u8 oui_type;
4287 u8 oui_subtype;
4288 u8 version;
4289 __le16 tsinfo;
4290 u8 tsinfo_resvd;
4291 __le16 nominal_msdu;
4292 __le16 max_msdu;
4293 __le32 min_service_int;
4294 __le32 max_service_int;
4295 __le32 inactivity_int;
4296 __le32 suspension_int;
4297 __le32 service_start_time;
4298 __le32 min_data_rate;
4299 __le32 mean_data_rate;
4300 __le32 peak_data_rate;
4301 __le32 max_burst_size;
4302 __le32 delay_bound;
4303 __le32 min_phy_rate;
4304 __le16 sba;
4305 __le16 medium_time;
4306 } __packed;
4307
4308 struct ieee80211_he_6ghz_capa {
4309 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4310 __le16 capa;
4311 } __packed;
4312
4313 /* HE 6 GHz band capabilities */
4314 /* uses enum ieee80211_min_mpdu_spacing values */
4315 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4316 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4317 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4318 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4319 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4320 /* WLAN_HT_CAP_SM_PS_* values */
4321 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4322 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4323 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4324 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4325
4326 /**
4327 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4328 * @hdr: the frame
4329 *
4330 * The qos ctrl bytes come after the frame_control, duration, seq_num
4331 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4332 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4333 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4334 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4335 {
4336 union {
4337 struct ieee80211_qos_hdr addr3;
4338 struct ieee80211_qos_hdr_4addr addr4;
4339 } *qos;
4340
4341 qos = (void *)hdr;
4342 if (ieee80211_has_a4(qos->addr3.frame_control))
4343 return (u8 *)&qos->addr4.qos_ctrl;
4344 else
4345 return (u8 *)&qos->addr3.qos_ctrl;
4346 }
4347
4348 /**
4349 * ieee80211_get_tid - get qos TID
4350 * @hdr: the frame
4351 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4352 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4353 {
4354 u8 *qc = ieee80211_get_qos_ctl(hdr);
4355
4356 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4357 }
4358
4359 /**
4360 * ieee80211_get_SA - get pointer to SA
4361 * @hdr: the frame
4362 *
4363 * Given an 802.11 frame, this function returns the offset
4364 * to the source address (SA). It does not verify that the
4365 * header is long enough to contain the address, and the
4366 * header must be long enough to contain the frame control
4367 * field.
4368 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4369 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4370 {
4371 if (ieee80211_has_a4(hdr->frame_control))
4372 return hdr->addr4;
4373 if (ieee80211_has_fromds(hdr->frame_control))
4374 return hdr->addr3;
4375 return hdr->addr2;
4376 }
4377
4378 /**
4379 * ieee80211_get_DA - get pointer to DA
4380 * @hdr: the frame
4381 *
4382 * Given an 802.11 frame, this function returns the offset
4383 * to the destination address (DA). It does not verify that
4384 * the header is long enough to contain the address, and the
4385 * header must be long enough to contain the frame control
4386 * field.
4387 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4388 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4389 {
4390 if (ieee80211_has_tods(hdr->frame_control))
4391 return hdr->addr3;
4392 else
4393 return hdr->addr1;
4394 }
4395
4396 /**
4397 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4398 * @skb: the skb to check, starting with the 802.11 header
4399 */
ieee80211_is_bufferable_mmpdu(struct sk_buff * skb)4400 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4401 {
4402 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4403 __le16 fc = mgmt->frame_control;
4404
4405 /*
4406 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4407 * note that this ignores the IBSS special case.
4408 */
4409 if (!ieee80211_is_mgmt(fc))
4410 return false;
4411
4412 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4413 return true;
4414
4415 if (!ieee80211_is_action(fc))
4416 return false;
4417
4418 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4419 return true;
4420
4421 /* action frame - additionally check for non-bufferable FTM */
4422
4423 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4424 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4425 return true;
4426
4427 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4428 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4429 return false;
4430
4431 return true;
4432 }
4433
4434 /**
4435 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4436 * @hdr: the frame (buffer must include at least the first octet of payload)
4437 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4438 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4439 {
4440 if (ieee80211_is_disassoc(hdr->frame_control) ||
4441 ieee80211_is_deauth(hdr->frame_control))
4442 return true;
4443
4444 if (ieee80211_is_action(hdr->frame_control)) {
4445 u8 *category;
4446
4447 /*
4448 * Action frames, excluding Public Action frames, are Robust
4449 * Management Frames. However, if we are looking at a Protected
4450 * frame, skip the check since the data may be encrypted and
4451 * the frame has already been found to be a Robust Management
4452 * Frame (by the other end).
4453 */
4454 if (ieee80211_has_protected(hdr->frame_control))
4455 return true;
4456 category = ((u8 *) hdr) + 24;
4457 return *category != WLAN_CATEGORY_PUBLIC &&
4458 *category != WLAN_CATEGORY_HT &&
4459 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4460 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4461 *category != WLAN_CATEGORY_UNPROT_DMG &&
4462 *category != WLAN_CATEGORY_VHT &&
4463 *category != WLAN_CATEGORY_S1G &&
4464 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4465 }
4466
4467 return false;
4468 }
4469
4470 /**
4471 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4472 * @skb: the skb containing the frame, length will be checked
4473 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4474 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4475 {
4476 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4477 return false;
4478 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4479 }
4480
4481 /**
4482 * ieee80211_is_public_action - check if frame is a public action frame
4483 * @hdr: the frame
4484 * @len: length of the frame
4485 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4486 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4487 size_t len)
4488 {
4489 struct ieee80211_mgmt *mgmt = (void *)hdr;
4490
4491 if (len < IEEE80211_MIN_ACTION_SIZE)
4492 return false;
4493 if (!ieee80211_is_action(hdr->frame_control))
4494 return false;
4495 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4496 }
4497
4498 /**
4499 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4500 * protected dual of public action management frame
4501 * @skb: the skb containing the frame, length will be checked
4502 *
4503 * Return: true if the skb contains a protected dual of public action
4504 * management frame, false otherwise.
4505 */
4506 static inline bool
ieee80211_is_protected_dual_of_public_action(struct sk_buff * skb)4507 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4508 {
4509 u8 action;
4510
4511 if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4512 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4513 return false;
4514
4515 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4516
4517 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4518 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4519 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4520 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4521 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4522 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4523 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4524 action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
4525 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
4526 }
4527
4528 /**
4529 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4530 * privacy action frame
4531 * @hdr: the frame
4532 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4533 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4534 {
4535 struct ieee80211_mgmt *mgmt = (void *)hdr;
4536
4537 if (!ieee80211_is_action(hdr->frame_control) ||
4538 !is_multicast_ether_addr(hdr->addr1))
4539 return false;
4540
4541 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4542 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4543 }
4544
4545 /**
4546 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4547 * privacy action frame
4548 * @skb: the skb containing the frame, length will be checked
4549 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4550 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4551 {
4552 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4553 return false;
4554 return _ieee80211_is_group_privacy_action((void *)skb->data);
4555 }
4556
4557 /**
4558 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4559 * @tu: the TUs
4560 */
ieee80211_tu_to_usec(unsigned long tu)4561 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4562 {
4563 return 1024 * tu;
4564 }
4565
4566 /**
4567 * ieee80211_check_tim - check if AID bit is set in TIM
4568 * @tim: the TIM IE
4569 * @tim_len: length of the TIM IE
4570 * @aid: the AID to look for
4571 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4572 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4573 u8 tim_len, u16 aid)
4574 {
4575 u8 mask;
4576 u8 index, indexn1, indexn2;
4577
4578 if (unlikely(!tim || tim_len < sizeof(*tim)))
4579 return false;
4580
4581 aid &= 0x3fff;
4582 index = aid / 8;
4583 mask = 1 << (aid & 7);
4584
4585 indexn1 = tim->bitmap_ctrl & 0xfe;
4586 indexn2 = tim_len + indexn1 - 4;
4587
4588 if (index < indexn1 || index > indexn2)
4589 return false;
4590
4591 index -= indexn1;
4592
4593 return !!(tim->virtual_map[index] & mask);
4594 }
4595
4596 /**
4597 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4598 * @skb: the skb containing the frame, length will not be checked
4599 *
4600 * This function assumes the frame is a data frame, and that the network header
4601 * is in the correct place.
4602 */
ieee80211_get_tdls_action(struct sk_buff * skb)4603 static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4604 {
4605 if (!skb_is_nonlinear(skb) &&
4606 skb->len > (skb_network_offset(skb) + 2)) {
4607 /* Point to where the indication of TDLS should start */
4608 const u8 *tdls_data = skb_network_header(skb) - 2;
4609
4610 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4611 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4612 tdls_data[3] == WLAN_CATEGORY_TDLS)
4613 return tdls_data[4];
4614 }
4615
4616 return -1;
4617 }
4618
4619 /* convert time units */
4620 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4621 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4622
4623 /* convert frequencies */
4624 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4625 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4626 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4627 #define KHZ_F "%d.%03d"
4628
4629 /* convert powers */
4630 #define DBI_TO_MBI(gain) ((gain) * 100)
4631 #define MBI_TO_DBI(gain) ((gain) / 100)
4632 #define DBM_TO_MBM(gain) ((gain) * 100)
4633 #define MBM_TO_DBM(gain) ((gain) / 100)
4634
4635 /**
4636 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4637 * @skb: the skb containing the frame, length will be checked
4638 *
4639 * This function checks if it's either TPC report action frame or Link
4640 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4641 * and 8.5.7.5 accordingly.
4642 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4643 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4644 {
4645 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4646
4647 if (!ieee80211_is_action(mgmt->frame_control))
4648 return false;
4649
4650 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4651 sizeof(mgmt->u.action.u.tpc_report))
4652 return false;
4653
4654 /*
4655 * TPC report - check that:
4656 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4657 * spectrum management action = 3 (TPC/Link Measurement report)
4658 * TPC report EID = 35
4659 * TPC report element length = 2
4660 *
4661 * The spectrum management's tpc_report struct is used here both for
4662 * parsing tpc_report and radio measurement's link measurement report
4663 * frame, since the relevant part is identical in both frames.
4664 */
4665 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4666 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4667 return false;
4668
4669 /* both spectrum mgmt and link measurement have same action code */
4670 if (mgmt->u.action.u.tpc_report.action_code !=
4671 WLAN_ACTION_SPCT_TPC_RPRT)
4672 return false;
4673
4674 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4675 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4676 sizeof(struct ieee80211_tpc_report_ie))
4677 return false;
4678
4679 return true;
4680 }
4681
ieee80211_is_timing_measurement(struct sk_buff * skb)4682 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4683 {
4684 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4685
4686 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4687 return false;
4688
4689 if (!ieee80211_is_action(mgmt->frame_control))
4690 return false;
4691
4692 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4693 mgmt->u.action.u.wnm_timing_msr.action_code ==
4694 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4695 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4696 return true;
4697
4698 return false;
4699 }
4700
ieee80211_is_ftm(struct sk_buff * skb)4701 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4702 {
4703 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4704
4705 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4706 return false;
4707
4708 if (mgmt->u.action.u.ftm.action_code ==
4709 WLAN_PUB_ACTION_FTM_RESPONSE &&
4710 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4711 return true;
4712
4713 return false;
4714 }
4715
4716 struct element {
4717 u8 id;
4718 u8 datalen;
4719 u8 data[];
4720 } __packed;
4721
4722 /* element iteration helpers */
4723 #define for_each_element(_elem, _data, _datalen) \
4724 for (_elem = (const struct element *)(_data); \
4725 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4726 (int)sizeof(*_elem) && \
4727 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4728 (int)sizeof(*_elem) + _elem->datalen; \
4729 _elem = (const struct element *)(_elem->data + _elem->datalen))
4730
4731 #define for_each_element_id(element, _id, data, datalen) \
4732 for_each_element(element, data, datalen) \
4733 if (element->id == (_id))
4734
4735 #define for_each_element_extid(element, extid, _data, _datalen) \
4736 for_each_element(element, _data, _datalen) \
4737 if (element->id == WLAN_EID_EXTENSION && \
4738 element->datalen > 0 && \
4739 element->data[0] == (extid))
4740
4741 #define for_each_subelement(sub, element) \
4742 for_each_element(sub, (element)->data, (element)->datalen)
4743
4744 #define for_each_subelement_id(sub, id, element) \
4745 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4746
4747 #define for_each_subelement_extid(sub, extid, element) \
4748 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4749
4750 /**
4751 * for_each_element_completed - determine if element parsing consumed all data
4752 * @element: element pointer after for_each_element() or friends
4753 * @data: same data pointer as passed to for_each_element() or friends
4754 * @datalen: same data length as passed to for_each_element() or friends
4755 *
4756 * This function returns %true if all the data was parsed or considered
4757 * while walking the elements. Only use this if your for_each_element()
4758 * loop cannot be broken out of, otherwise it always returns %false.
4759 *
4760 * If some data was malformed, this returns %false since the last parsed
4761 * element will not fill the whole remaining data.
4762 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4763 static inline bool for_each_element_completed(const struct element *element,
4764 const void *data, size_t datalen)
4765 {
4766 return (const u8 *)element == (const u8 *)data + datalen;
4767 }
4768
4769 /*
4770 * RSNX Capabilities:
4771 * bits 0-3: Field length (n-1)
4772 */
4773 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4774 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4775
4776 /*
4777 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4778 * section 9.4.2.170 and accepted contributions.
4779 */
4780 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4781 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4782 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4783 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4784 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4785 #define IEEE80211_TBTT_INFO_TYPE_MLD 1
4786
4787 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4788 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4789 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4790 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4791 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4792 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4793 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4794
4795 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4796 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4797
4798 struct ieee80211_neighbor_ap_info {
4799 u8 tbtt_info_hdr;
4800 u8 tbtt_info_len;
4801 u8 op_class;
4802 u8 channel;
4803 } __packed;
4804
4805 enum ieee80211_range_params_max_total_ltf {
4806 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4807 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4808 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4809 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4810 };
4811
4812 /*
4813 * reduced neighbor report, based on Draft P802.11be_D3.0,
4814 * section 9.4.2.170.2.
4815 */
4816 struct ieee80211_rnr_mld_params {
4817 u8 mld_id;
4818 __le16 params;
4819 } __packed;
4820
4821 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4822 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4823 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4824 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4825
4826 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4827 struct ieee80211_tbtt_info_7_8_9 {
4828 u8 tbtt_offset;
4829 u8 bssid[ETH_ALEN];
4830
4831 /* The following element is optional, structure may not grow */
4832 u8 bss_params;
4833 s8 psd_20;
4834 } __packed;
4835
4836 /* Format of the TBTT information element if it has >= 11 bytes */
4837 struct ieee80211_tbtt_info_ge_11 {
4838 u8 tbtt_offset;
4839 u8 bssid[ETH_ALEN];
4840 __le32 short_ssid;
4841
4842 /* The following elements are optional, structure may grow */
4843 u8 bss_params;
4844 s8 psd_20;
4845 struct ieee80211_rnr_mld_params mld_params;
4846 } __packed;
4847
4848 /* multi-link device */
4849 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4850
4851 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4852 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4853 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4854 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4855 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4856 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4857 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4858
4859 struct ieee80211_multi_link_elem {
4860 __le16 control;
4861 u8 variable[];
4862 } __packed;
4863
4864 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4865 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4866 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4867 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4868 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4869 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4870
4871 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4872 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4873 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4874
4875 /*
4876 * Described in P802.11be_D3.0
4877 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4878 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4879 * dot11MSDTXOPMAX defaults to 1
4880 */
4881 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
4882
4883 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4884 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4885 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4886 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4887 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4888 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4889 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4890 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4891 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4892 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4893 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4894 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4895 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4896 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4897 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4898 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4899 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4900 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4901 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4902 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4903 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4904 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4905 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4906 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4907 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4908 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4909 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4910 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4911 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4912 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4913 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4914 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4915 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4916 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4917
4918 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4919 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4920 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4921 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0
4922 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1
4923 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2
4924 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3
4925 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4926 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4927
4928 struct ieee80211_mle_basic_common_info {
4929 u8 len;
4930 u8 mld_mac_addr[ETH_ALEN];
4931 u8 variable[];
4932 } __packed;
4933
4934 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4935
4936 struct ieee80211_mle_preq_common_info {
4937 u8 len;
4938 u8 variable[];
4939 } __packed;
4940
4941 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4942
4943 /* no fixed fields in RECONF */
4944
4945 struct ieee80211_mle_tdls_common_info {
4946 u8 len;
4947 u8 ap_mld_mac_addr[ETH_ALEN];
4948 } __packed;
4949
4950 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4951
4952 /* no fixed fields in PRIO_ACCESS */
4953
4954 /**
4955 * ieee80211_mle_common_size - check multi-link element common size
4956 * @data: multi-link element, must already be checked for size using
4957 * ieee80211_mle_size_ok()
4958 */
ieee80211_mle_common_size(const u8 * data)4959 static inline u8 ieee80211_mle_common_size(const u8 *data)
4960 {
4961 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4962 u16 control = le16_to_cpu(mle->control);
4963 u8 common = 0;
4964
4965 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4966 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4967 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4968 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4969 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4970 /*
4971 * The length is the first octet pointed by mle->variable so no
4972 * need to add anything
4973 */
4974 break;
4975 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4976 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4977 common += ETH_ALEN;
4978 return common;
4979 default:
4980 WARN_ON(1);
4981 return 0;
4982 }
4983
4984 return sizeof(*mle) + common + mle->variable[0];
4985 }
4986
4987 /**
4988 * ieee80211_mle_get_link_id - returns the link ID
4989 * @data: the basic multi link element
4990 *
4991 * The element is assumed to be of the correct type (BASIC) and big enough,
4992 * this must be checked using ieee80211_mle_type_ok().
4993 *
4994 * If the BSS link ID can't be found, -1 will be returned
4995 */
ieee80211_mle_get_link_id(const u8 * data)4996 static inline int ieee80211_mle_get_link_id(const u8 *data)
4997 {
4998 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4999 u16 control = le16_to_cpu(mle->control);
5000 const u8 *common = mle->variable;
5001
5002 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5003 common += sizeof(struct ieee80211_mle_basic_common_info);
5004
5005 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID))
5006 return -1;
5007
5008 return *common;
5009 }
5010
5011 /**
5012 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
5013 * @data: pointer to the basic multi link element
5014 *
5015 * The element is assumed to be of the correct type (BASIC) and big enough,
5016 * this must be checked using ieee80211_mle_type_ok().
5017 *
5018 * If the BSS parameter change count value can't be found (the presence bit
5019 * for it is clear), -1 will be returned.
5020 */
5021 static inline int
ieee80211_mle_get_bss_param_ch_cnt(const u8 * data)5022 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data)
5023 {
5024 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5025 u16 control = le16_to_cpu(mle->control);
5026 const u8 *common = mle->variable;
5027
5028 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5029 common += sizeof(struct ieee80211_mle_basic_common_info);
5030
5031 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
5032 return -1;
5033
5034 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5035 common += 1;
5036
5037 return *common;
5038 }
5039
5040 /**
5041 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
5042 * @data: pointer to the multi link EHT IE
5043 *
5044 * The element is assumed to be of the correct type (BASIC) and big enough,
5045 * this must be checked using ieee80211_mle_type_ok().
5046 *
5047 * If the medium synchronization is not present, then the default value is
5048 * returned.
5049 */
ieee80211_mle_get_eml_med_sync_delay(const u8 * data)5050 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
5051 {
5052 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5053 u16 control = le16_to_cpu(mle->control);
5054 const u8 *common = mle->variable;
5055
5056 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5057 common += sizeof(struct ieee80211_mle_basic_common_info);
5058
5059 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
5060 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
5061
5062 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5063 common += 1;
5064 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5065 common += 1;
5066
5067 return get_unaligned_le16(common);
5068 }
5069
5070 /**
5071 * ieee80211_mle_get_eml_cap - returns the EML capability
5072 * @data: pointer to the multi link EHT IE
5073 *
5074 * The element is assumed to be of the correct type (BASIC) and big enough,
5075 * this must be checked using ieee80211_mle_type_ok().
5076 *
5077 * If the EML capability is not present, 0 will be returned.
5078 */
ieee80211_mle_get_eml_cap(const u8 * data)5079 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
5080 {
5081 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5082 u16 control = le16_to_cpu(mle->control);
5083 const u8 *common = mle->variable;
5084
5085 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5086 common += sizeof(struct ieee80211_mle_basic_common_info);
5087
5088 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
5089 return 0;
5090
5091 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5092 common += 1;
5093 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5094 common += 1;
5095 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5096 common += 2;
5097
5098 return get_unaligned_le16(common);
5099 }
5100
5101 /**
5102 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations.
5103 * @data: pointer to the multi link EHT IE
5104 *
5105 * The element is assumed to be of the correct type (BASIC) and big enough,
5106 * this must be checked using ieee80211_mle_type_ok().
5107 *
5108 * If the MLD capabilities and operations field is not present, 0 will be
5109 * returned.
5110 */
ieee80211_mle_get_mld_capa_op(const u8 * data)5111 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data)
5112 {
5113 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5114 u16 control = le16_to_cpu(mle->control);
5115 const u8 *common = mle->variable;
5116
5117 /*
5118 * common points now at the beginning of
5119 * ieee80211_mle_basic_common_info
5120 */
5121 common += sizeof(struct ieee80211_mle_basic_common_info);
5122
5123 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
5124 return 0;
5125
5126 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5127 common += 1;
5128 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5129 common += 1;
5130 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5131 common += 2;
5132 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5133 common += 2;
5134
5135 return get_unaligned_le16(common);
5136 }
5137
5138 /**
5139 * ieee80211_mle_get_mld_id - returns the MLD ID
5140 * @data: pointer to the multi link element
5141 *
5142 * The element is assumed to be of the correct type (BASIC) and big enough,
5143 * this must be checked using ieee80211_mle_type_ok().
5144 *
5145 * If the MLD ID is not present, 0 will be returned.
5146 */
ieee80211_mle_get_mld_id(const u8 * data)5147 static inline u8 ieee80211_mle_get_mld_id(const u8 *data)
5148 {
5149 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5150 u16 control = le16_to_cpu(mle->control);
5151 const u8 *common = mle->variable;
5152
5153 /*
5154 * common points now at the beginning of
5155 * ieee80211_mle_basic_common_info
5156 */
5157 common += sizeof(struct ieee80211_mle_basic_common_info);
5158
5159 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID))
5160 return 0;
5161
5162 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5163 common += 1;
5164 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5165 common += 1;
5166 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5167 common += 2;
5168 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5169 common += 2;
5170 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5171 common += 2;
5172
5173 return *common;
5174 }
5175
5176 /**
5177 * ieee80211_mle_size_ok - validate multi-link element size
5178 * @data: pointer to the element data
5179 * @len: length of the containing element
5180 */
ieee80211_mle_size_ok(const u8 * data,size_t len)5181 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5182 {
5183 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5184 u8 fixed = sizeof(*mle);
5185 u8 common = 0;
5186 bool check_common_len = false;
5187 u16 control;
5188
5189 if (!data || len < fixed)
5190 return false;
5191
5192 control = le16_to_cpu(mle->control);
5193
5194 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5195 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5196 common += sizeof(struct ieee80211_mle_basic_common_info);
5197 check_common_len = true;
5198 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5199 common += 1;
5200 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5201 common += 1;
5202 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5203 common += 2;
5204 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5205 common += 2;
5206 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5207 common += 2;
5208 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5209 common += 1;
5210 break;
5211 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5212 common += sizeof(struct ieee80211_mle_preq_common_info);
5213 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5214 common += 1;
5215 check_common_len = true;
5216 break;
5217 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5218 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5219 common += ETH_ALEN;
5220 break;
5221 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5222 common += sizeof(struct ieee80211_mle_tdls_common_info);
5223 check_common_len = true;
5224 break;
5225 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5226 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5227 common += ETH_ALEN;
5228 break;
5229 default:
5230 /* we don't know this type */
5231 return true;
5232 }
5233
5234 if (len < fixed + common)
5235 return false;
5236
5237 if (!check_common_len)
5238 return true;
5239
5240 /* if present, common length is the first octet there */
5241 return mle->variable[0] >= common;
5242 }
5243
5244 /**
5245 * ieee80211_mle_type_ok - validate multi-link element type and size
5246 * @data: pointer to the element data
5247 * @type: expected type of the element
5248 * @len: length of the containing element
5249 */
ieee80211_mle_type_ok(const u8 * data,u8 type,size_t len)5250 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5251 {
5252 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5253 u16 control;
5254
5255 if (!ieee80211_mle_size_ok(data, len))
5256 return false;
5257
5258 control = le16_to_cpu(mle->control);
5259
5260 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5261 return true;
5262
5263 return false;
5264 }
5265
5266 enum ieee80211_mle_subelems {
5267 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5268 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5269 };
5270
5271 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5272 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5273 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5274 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5275 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5276 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5277 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5278 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5279 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5280
5281 struct ieee80211_mle_per_sta_profile {
5282 __le16 control;
5283 u8 sta_info_len;
5284 u8 variable[];
5285 } __packed;
5286
5287 /**
5288 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5289 * profile size
5290 * @data: pointer to the sub element data
5291 * @len: length of the containing sub element
5292 */
ieee80211_mle_basic_sta_prof_size_ok(const u8 * data,size_t len)5293 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5294 size_t len)
5295 {
5296 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5297 u16 control;
5298 u8 fixed = sizeof(*prof);
5299 u8 info_len = 1;
5300
5301 if (len < fixed)
5302 return false;
5303
5304 control = le16_to_cpu(prof->control);
5305
5306 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5307 info_len += 6;
5308 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5309 info_len += 2;
5310 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5311 info_len += 8;
5312 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5313 info_len += 2;
5314 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5315 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5316 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5317 info_len += 2;
5318 else
5319 info_len += 1;
5320 }
5321 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5322 info_len += 1;
5323
5324 return prof->sta_info_len >= info_len &&
5325 fixed + prof->sta_info_len - 1 <= len;
5326 }
5327
5328 /**
5329 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5330 * parameter change count
5331 * @prof: the per-STA profile, having been checked with
5332 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5333 *
5334 * Return: The BSS parameter change count value if present, 0 otherwise.
5335 */
5336 static inline u8
ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile * prof)5337 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5338 {
5339 u16 control = le16_to_cpu(prof->control);
5340 const u8 *pos = prof->variable;
5341
5342 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5343 return 0;
5344
5345 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5346 pos += 6;
5347 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5348 pos += 2;
5349 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5350 pos += 8;
5351 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5352 pos += 2;
5353 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5354 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5355 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5356 pos += 2;
5357 else
5358 pos += 1;
5359 }
5360
5361 return *pos;
5362 }
5363
5364 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5365 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5366 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5367 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5368 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
5369 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5370
5371 /**
5372 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5373 * element sta profile size.
5374 * @data: pointer to the sub element data
5375 * @len: length of the containing sub element
5376 */
ieee80211_mle_reconf_sta_prof_size_ok(const u8 * data,size_t len)5377 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5378 size_t len)
5379 {
5380 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5381 u16 control;
5382 u8 fixed = sizeof(*prof);
5383 u8 info_len = 1;
5384
5385 if (len < fixed)
5386 return false;
5387
5388 control = le16_to_cpu(prof->control);
5389
5390 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5391 info_len += ETH_ALEN;
5392 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5393 info_len += 2;
5394 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5395 info_len += 2;
5396
5397 return prof->sta_info_len >= info_len &&
5398 fixed + prof->sta_info_len - 1 <= len;
5399 }
5400
ieee80211_tid_to_link_map_size_ok(const u8 * data,size_t len)5401 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5402 {
5403 const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5404 u8 control, fixed = sizeof(*t2l), elem_len = 0;
5405
5406 if (len < fixed)
5407 return false;
5408
5409 control = t2l->control;
5410
5411 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5412 elem_len += 2;
5413 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5414 elem_len += 3;
5415
5416 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5417 u8 bm_size;
5418
5419 elem_len += 1;
5420 if (len < fixed + elem_len)
5421 return false;
5422
5423 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5424 bm_size = 1;
5425 else
5426 bm_size = 2;
5427
5428 elem_len += hweight8(t2l->optional[0]) * bm_size;
5429 }
5430
5431 return len >= fixed + elem_len;
5432 }
5433
5434 #define for_each_mle_subelement(_elem, _data, _len) \
5435 if (ieee80211_mle_size_ok(_data, _len)) \
5436 for_each_element(_elem, \
5437 _data + ieee80211_mle_common_size(_data),\
5438 _len - ieee80211_mle_common_size(_data))
5439
5440 #endif /* LINUX_IEEE80211_H */
5441