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