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 11ah 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS 0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
179 #define IEEE80211_PV1_FCTL_TODS 0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181 #define IEEE80211_PV1_FCTL_PM 0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184 #define IEEE80211_PV1_FCTL_END_SP 0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
ieee80211_sn_less(u16 sn1,u16 sn2)189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190 {
191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192 }
193
ieee80211_sn_add(u16 sn1,u16 sn2)194 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
195 {
196 return (sn1 + sn2) & IEEE80211_SN_MASK;
197 }
198
ieee80211_sn_inc(u16 sn)199 static inline u16 ieee80211_sn_inc(u16 sn)
200 {
201 return ieee80211_sn_add(sn, 1);
202 }
203
ieee80211_sn_sub(u16 sn1,u16 sn2)204 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
205 {
206 return (sn1 - sn2) & IEEE80211_SN_MASK;
207 }
208
209 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
210 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
211
212 /* miscellaneous IEEE 802.11 constants */
213 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
214 #define IEEE80211_MAX_RTS_THRESHOLD 2353
215 #define IEEE80211_MAX_AID 2007
216 #define IEEE80211_MAX_AID_S1G 8191
217 #define IEEE80211_MAX_TIM_LEN 251
218 #define IEEE80211_MAX_MESH_PEERINGS 63
219 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
220 6.2.1.1.2.
221
222 802.11e clarifies the figure in section 7.1.2. The frame body is
223 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
224 #define IEEE80211_MAX_DATA_LEN 2304
225 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
226 * to 7920 bytes, see 8.2.3 General frame format
227 */
228 #define IEEE80211_MAX_DATA_LEN_DMG 7920
229 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
230 #define IEEE80211_MAX_FRAME_LEN 2352
231
232 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
233 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
234
235 /* Maximal size of an A-MSDU */
236 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
237 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
238
239 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
240 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
241 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
242
243 #define IEEE80211_MAX_SSID_LEN 32
244
245 #define IEEE80211_MAX_MESH_ID_LEN 32
246
247 #define IEEE80211_FIRST_TSPEC_TSID 8
248 #define IEEE80211_NUM_TIDS 16
249
250 /* number of user priorities 802.11 uses */
251 #define IEEE80211_NUM_UPS 8
252 /* number of ACs */
253 #define IEEE80211_NUM_ACS 4
254
255 #define IEEE80211_QOS_CTL_LEN 2
256 /* 1d tag mask */
257 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
258 /* TID mask */
259 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
260 /* EOSP */
261 #define IEEE80211_QOS_CTL_EOSP 0x0010
262 /* ACK policy */
263 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
264 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
265 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
266 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
267 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
268 /* A-MSDU 802.11n */
269 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
270 /* Mesh Control 802.11s */
271 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
272
273 /* Mesh Power Save Level */
274 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
275 /* Mesh Receiver Service Period Initiated */
276 #define IEEE80211_QOS_CTL_RSPI 0x0400
277
278 /* U-APSD queue for WMM IEs sent by AP */
279 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
280 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
281
282 /* U-APSD queues for WMM IEs sent by STA */
283 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
284 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
285 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
286 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
287 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
288
289 /* U-APSD max SP length for WMM IEs sent by STA */
290 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
291 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
292 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
293 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
294 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
296
297 #define IEEE80211_HT_CTL_LEN 4
298
299 /* trigger type within common_info of trigger frame */
300 #define IEEE80211_TRIGGER_TYPE_MASK 0xf
301 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0
302 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1
303 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
304 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
305 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4
306 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
307 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6
308 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7
309
310 struct ieee80211_hdr {
311 __le16 frame_control;
312 __le16 duration_id;
313 struct_group(addrs,
314 u8 addr1[ETH_ALEN];
315 u8 addr2[ETH_ALEN];
316 u8 addr3[ETH_ALEN];
317 );
318 __le16 seq_ctrl;
319 u8 addr4[ETH_ALEN];
320 } __packed __aligned(2);
321
322 struct ieee80211_hdr_3addr {
323 __le16 frame_control;
324 __le16 duration_id;
325 u8 addr1[ETH_ALEN];
326 u8 addr2[ETH_ALEN];
327 u8 addr3[ETH_ALEN];
328 __le16 seq_ctrl;
329 } __packed __aligned(2);
330
331 struct ieee80211_qos_hdr {
332 __le16 frame_control;
333 __le16 duration_id;
334 u8 addr1[ETH_ALEN];
335 u8 addr2[ETH_ALEN];
336 u8 addr3[ETH_ALEN];
337 __le16 seq_ctrl;
338 __le16 qos_ctrl;
339 } __packed __aligned(2);
340
341 struct ieee80211_qos_hdr_4addr {
342 __le16 frame_control;
343 __le16 duration_id;
344 u8 addr1[ETH_ALEN];
345 u8 addr2[ETH_ALEN];
346 u8 addr3[ETH_ALEN];
347 __le16 seq_ctrl;
348 u8 addr4[ETH_ALEN];
349 __le16 qos_ctrl;
350 } __packed __aligned(2);
351
352 struct ieee80211_trigger {
353 __le16 frame_control;
354 __le16 duration;
355 u8 ra[ETH_ALEN];
356 u8 ta[ETH_ALEN];
357 __le64 common_info;
358 u8 variable[];
359 } __packed __aligned(2);
360
361 /**
362 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
363 * @fc: frame control bytes in little-endian byteorder
364 */
ieee80211_has_tods(__le16 fc)365 static inline bool ieee80211_has_tods(__le16 fc)
366 {
367 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
368 }
369
370 /**
371 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
372 * @fc: frame control bytes in little-endian byteorder
373 */
ieee80211_has_fromds(__le16 fc)374 static inline bool ieee80211_has_fromds(__le16 fc)
375 {
376 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
377 }
378
379 /**
380 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
381 * @fc: frame control bytes in little-endian byteorder
382 */
ieee80211_has_a4(__le16 fc)383 static inline bool ieee80211_has_a4(__le16 fc)
384 {
385 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
386 return (fc & tmp) == tmp;
387 }
388
389 /**
390 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
391 * @fc: frame control bytes in little-endian byteorder
392 */
ieee80211_has_morefrags(__le16 fc)393 static inline bool ieee80211_has_morefrags(__le16 fc)
394 {
395 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
396 }
397
398 /**
399 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
400 * @fc: frame control bytes in little-endian byteorder
401 */
ieee80211_has_retry(__le16 fc)402 static inline bool ieee80211_has_retry(__le16 fc)
403 {
404 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
405 }
406
407 /**
408 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
409 * @fc: frame control bytes in little-endian byteorder
410 */
ieee80211_has_pm(__le16 fc)411 static inline bool ieee80211_has_pm(__le16 fc)
412 {
413 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
414 }
415
416 /**
417 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
418 * @fc: frame control bytes in little-endian byteorder
419 */
ieee80211_has_moredata(__le16 fc)420 static inline bool ieee80211_has_moredata(__le16 fc)
421 {
422 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
423 }
424
425 /**
426 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
427 * @fc: frame control bytes in little-endian byteorder
428 */
ieee80211_has_protected(__le16 fc)429 static inline bool ieee80211_has_protected(__le16 fc)
430 {
431 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
432 }
433
434 /**
435 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
436 * @fc: frame control bytes in little-endian byteorder
437 */
ieee80211_has_order(__le16 fc)438 static inline bool ieee80211_has_order(__le16 fc)
439 {
440 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
441 }
442
443 /**
444 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
445 * @fc: frame control bytes in little-endian byteorder
446 */
ieee80211_is_mgmt(__le16 fc)447 static inline bool ieee80211_is_mgmt(__le16 fc)
448 {
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_MGMT);
451 }
452
453 /**
454 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
455 * @fc: frame control bytes in little-endian byteorder
456 */
ieee80211_is_ctl(__le16 fc)457 static inline bool ieee80211_is_ctl(__le16 fc)
458 {
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL);
461 }
462
463 /**
464 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
465 * @fc: frame control bytes in little-endian byteorder
466 */
ieee80211_is_data(__le16 fc)467 static inline bool ieee80211_is_data(__le16 fc)
468 {
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_DATA);
471 }
472
473 /**
474 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
475 * @fc: frame control bytes in little-endian byteorder
476 */
ieee80211_is_ext(__le16 fc)477 static inline bool ieee80211_is_ext(__le16 fc)
478 {
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_EXT);
481 }
482
483
484 /**
485 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
486 * @fc: frame control bytes in little-endian byteorder
487 */
ieee80211_is_data_qos(__le16 fc)488 static inline bool ieee80211_is_data_qos(__le16 fc)
489 {
490 /*
491 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
492 * to check the one bit
493 */
494 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
495 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
496 }
497
498 /**
499 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
500 * @fc: frame control bytes in little-endian byteorder
501 */
ieee80211_is_data_present(__le16 fc)502 static inline bool ieee80211_is_data_present(__le16 fc)
503 {
504 /*
505 * mask with 0x40 and test that that bit is clear to only return true
506 * for the data-containing substypes.
507 */
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
509 cpu_to_le16(IEEE80211_FTYPE_DATA);
510 }
511
512 /**
513 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
514 * @fc: frame control bytes in little-endian byteorder
515 */
ieee80211_is_assoc_req(__le16 fc)516 static inline bool ieee80211_is_assoc_req(__le16 fc)
517 {
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
520 }
521
522 /**
523 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
524 * @fc: frame control bytes in little-endian byteorder
525 */
ieee80211_is_assoc_resp(__le16 fc)526 static inline bool ieee80211_is_assoc_resp(__le16 fc)
527 {
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
530 }
531
532 /**
533 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
534 * @fc: frame control bytes in little-endian byteorder
535 */
ieee80211_is_reassoc_req(__le16 fc)536 static inline bool ieee80211_is_reassoc_req(__le16 fc)
537 {
538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
540 }
541
542 /**
543 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
544 * @fc: frame control bytes in little-endian byteorder
545 */
ieee80211_is_reassoc_resp(__le16 fc)546 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
547 {
548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
550 }
551
552 /**
553 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
554 * @fc: frame control bytes in little-endian byteorder
555 */
ieee80211_is_probe_req(__le16 fc)556 static inline bool ieee80211_is_probe_req(__le16 fc)
557 {
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
560 }
561
562 /**
563 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
564 * @fc: frame control bytes in little-endian byteorder
565 */
ieee80211_is_probe_resp(__le16 fc)566 static inline bool ieee80211_is_probe_resp(__le16 fc)
567 {
568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
570 }
571
572 /**
573 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
574 * @fc: frame control bytes in little-endian byteorder
575 */
ieee80211_is_beacon(__le16 fc)576 static inline bool ieee80211_is_beacon(__le16 fc)
577 {
578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
580 }
581
582 /**
583 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
584 * IEEE80211_STYPE_S1G_BEACON
585 * @fc: frame control bytes in little-endian byteorder
586 */
ieee80211_is_s1g_beacon(__le16 fc)587 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
588 {
589 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
590 IEEE80211_FCTL_STYPE)) ==
591 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
592 }
593
594 /**
595 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
596 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
597 * @fc: frame control bytes in little-endian byteorder
598 */
ieee80211_next_tbtt_present(__le16 fc)599 static inline bool ieee80211_next_tbtt_present(__le16 fc)
600 {
601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
602 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
603 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
604 }
605
606 /**
607 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
608 * true for S1G beacons when they're short.
609 * @fc: frame control bytes in little-endian byteorder
610 */
ieee80211_is_s1g_short_beacon(__le16 fc)611 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
612 {
613 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
614 }
615
616 /**
617 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
618 * @fc: frame control bytes in little-endian byteorder
619 */
ieee80211_is_atim(__le16 fc)620 static inline bool ieee80211_is_atim(__le16 fc)
621 {
622 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
623 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
624 }
625
626 /**
627 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
628 * @fc: frame control bytes in little-endian byteorder
629 */
ieee80211_is_disassoc(__le16 fc)630 static inline bool ieee80211_is_disassoc(__le16 fc)
631 {
632 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
633 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
634 }
635
636 /**
637 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
638 * @fc: frame control bytes in little-endian byteorder
639 */
ieee80211_is_auth(__le16 fc)640 static inline bool ieee80211_is_auth(__le16 fc)
641 {
642 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
643 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
644 }
645
646 /**
647 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
648 * @fc: frame control bytes in little-endian byteorder
649 */
ieee80211_is_deauth(__le16 fc)650 static inline bool ieee80211_is_deauth(__le16 fc)
651 {
652 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
653 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
654 }
655
656 /**
657 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
658 * @fc: frame control bytes in little-endian byteorder
659 */
ieee80211_is_action(__le16 fc)660 static inline bool ieee80211_is_action(__le16 fc)
661 {
662 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
663 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
664 }
665
666 /**
667 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
668 * @fc: frame control bytes in little-endian byteorder
669 */
ieee80211_is_back_req(__le16 fc)670 static inline bool ieee80211_is_back_req(__le16 fc)
671 {
672 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
673 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
674 }
675
676 /**
677 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
678 * @fc: frame control bytes in little-endian byteorder
679 */
ieee80211_is_back(__le16 fc)680 static inline bool ieee80211_is_back(__le16 fc)
681 {
682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
683 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
684 }
685
686 /**
687 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
688 * @fc: frame control bytes in little-endian byteorder
689 */
ieee80211_is_pspoll(__le16 fc)690 static inline bool ieee80211_is_pspoll(__le16 fc)
691 {
692 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
693 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
694 }
695
696 /**
697 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
698 * @fc: frame control bytes in little-endian byteorder
699 */
ieee80211_is_rts(__le16 fc)700 static inline bool ieee80211_is_rts(__le16 fc)
701 {
702 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
703 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
704 }
705
706 /**
707 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
708 * @fc: frame control bytes in little-endian byteorder
709 */
ieee80211_is_cts(__le16 fc)710 static inline bool ieee80211_is_cts(__le16 fc)
711 {
712 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
713 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
714 }
715
716 /**
717 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
718 * @fc: frame control bytes in little-endian byteorder
719 */
ieee80211_is_ack(__le16 fc)720 static inline bool ieee80211_is_ack(__le16 fc)
721 {
722 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
723 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
724 }
725
726 /**
727 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
728 * @fc: frame control bytes in little-endian byteorder
729 */
ieee80211_is_cfend(__le16 fc)730 static inline bool ieee80211_is_cfend(__le16 fc)
731 {
732 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
733 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
734 }
735
736 /**
737 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
738 * @fc: frame control bytes in little-endian byteorder
739 */
ieee80211_is_cfendack(__le16 fc)740 static inline bool ieee80211_is_cfendack(__le16 fc)
741 {
742 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
743 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
744 }
745
746 /**
747 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
748 * @fc: frame control bytes in little-endian byteorder
749 */
ieee80211_is_nullfunc(__le16 fc)750 static inline bool ieee80211_is_nullfunc(__le16 fc)
751 {
752 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
753 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
754 }
755
756 /**
757 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
758 * @fc: frame control bytes in little-endian byteorder
759 */
ieee80211_is_qos_nullfunc(__le16 fc)760 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
761 {
762 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
763 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
764 }
765
766 /**
767 * ieee80211_is_trigger - check if frame is trigger frame
768 * @fc: frame control field in little-endian byteorder
769 */
ieee80211_is_trigger(__le16 fc)770 static inline bool ieee80211_is_trigger(__le16 fc)
771 {
772 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
773 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
774 }
775
776 /**
777 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
778 * @fc: frame control bytes in little-endian byteorder
779 */
ieee80211_is_any_nullfunc(__le16 fc)780 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
781 {
782 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
783 }
784
785 /**
786 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
787 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
788 */
ieee80211_is_first_frag(__le16 seq_ctrl)789 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
790 {
791 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
792 }
793
794 /**
795 * ieee80211_is_frag - check if a frame is a fragment
796 * @hdr: 802.11 header of the frame
797 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)798 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
799 {
800 return ieee80211_has_morefrags(hdr->frame_control) ||
801 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
802 }
803
804 struct ieee80211s_hdr {
805 u8 flags;
806 u8 ttl;
807 __le32 seqnum;
808 u8 eaddr1[ETH_ALEN];
809 u8 eaddr2[ETH_ALEN];
810 } __packed __aligned(2);
811
812 /* Mesh flags */
813 #define MESH_FLAGS_AE_A4 0x1
814 #define MESH_FLAGS_AE_A5_A6 0x2
815 #define MESH_FLAGS_AE 0x3
816 #define MESH_FLAGS_PS_DEEP 0x4
817
818 /**
819 * enum ieee80211_preq_flags - mesh PREQ element flags
820 *
821 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
822 */
823 enum ieee80211_preq_flags {
824 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
825 };
826
827 /**
828 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
829 *
830 * @IEEE80211_PREQ_TO_FLAG: target only subfield
831 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
832 */
833 enum ieee80211_preq_target_flags {
834 IEEE80211_PREQ_TO_FLAG = 1<<0,
835 IEEE80211_PREQ_USN_FLAG = 1<<2,
836 };
837
838 /**
839 * struct ieee80211_quiet_ie - Quiet element
840 * @count: Quiet Count
841 * @period: Quiet Period
842 * @duration: Quiet Duration
843 * @offset: Quiet Offset
844 *
845 * This structure represents the payload of the "Quiet element" as
846 * described in IEEE Std 802.11-2020 section 9.4.2.22.
847 */
848 struct ieee80211_quiet_ie {
849 u8 count;
850 u8 period;
851 __le16 duration;
852 __le16 offset;
853 } __packed;
854
855 /**
856 * struct ieee80211_msrment_ie - Measurement element
857 * @token: Measurement Token
858 * @mode: Measurement Report Mode
859 * @type: Measurement Type
860 * @request: Measurement Request or Measurement Report
861 *
862 * This structure represents the payload of both the "Measurement
863 * Request element" and the "Measurement Report element" as described
864 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
865 */
866 struct ieee80211_msrment_ie {
867 u8 token;
868 u8 mode;
869 u8 type;
870 u8 request[];
871 } __packed;
872
873 /**
874 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
875 * @mode: Channel Switch Mode
876 * @new_ch_num: New Channel Number
877 * @count: Channel Switch Count
878 *
879 * This structure represents the payload of the "Channel Switch
880 * Announcement element" as described in IEEE Std 802.11-2020 section
881 * 9.4.2.18.
882 */
883 struct ieee80211_channel_sw_ie {
884 u8 mode;
885 u8 new_ch_num;
886 u8 count;
887 } __packed;
888
889 /**
890 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
891 * @mode: Channel Switch Mode
892 * @new_operating_class: New Operating Class
893 * @new_ch_num: New Channel Number
894 * @count: Channel Switch Count
895 *
896 * This structure represents the "Extended Channel Switch Announcement
897 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
898 */
899 struct ieee80211_ext_chansw_ie {
900 u8 mode;
901 u8 new_operating_class;
902 u8 new_ch_num;
903 u8 count;
904 } __packed;
905
906 /**
907 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
908 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
909 * values here
910 * This structure represents the "Secondary Channel Offset element"
911 */
912 struct ieee80211_sec_chan_offs_ie {
913 u8 sec_chan_offs;
914 } __packed;
915
916 /**
917 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
918 * @mesh_ttl: Time To Live
919 * @mesh_flags: Flags
920 * @mesh_reason: Reason Code
921 * @mesh_pre_value: Precedence Value
922 *
923 * This structure represents the payload of the "Mesh Channel Switch
924 * Parameters element" as described in IEEE Std 802.11-2020 section
925 * 9.4.2.102.
926 */
927 struct ieee80211_mesh_chansw_params_ie {
928 u8 mesh_ttl;
929 u8 mesh_flags;
930 __le16 mesh_reason;
931 __le16 mesh_pre_value;
932 } __packed;
933
934 /**
935 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
936 * @new_channel_width: New Channel Width
937 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
938 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
939 *
940 * This structure represents the payload of the "Wide Bandwidth
941 * Channel Switch element" as described in IEEE Std 802.11-2020
942 * section 9.4.2.160.
943 */
944 struct ieee80211_wide_bw_chansw_ie {
945 u8 new_channel_width;
946 u8 new_center_freq_seg0, new_center_freq_seg1;
947 } __packed;
948
949 /**
950 * struct ieee80211_tim_ie - Traffic Indication Map information element
951 * @dtim_count: DTIM Count
952 * @dtim_period: DTIM Period
953 * @bitmap_ctrl: Bitmap Control
954 * @virtual_map: Partial Virtual Bitmap
955 *
956 * This structure represents the payload of the "TIM element" as
957 * described in IEEE Std 802.11-2020 section 9.4.2.5.
958 */
959 struct ieee80211_tim_ie {
960 u8 dtim_count;
961 u8 dtim_period;
962 u8 bitmap_ctrl;
963 /* variable size: 1 - 251 bytes */
964 u8 virtual_map[1];
965 } __packed;
966
967 /**
968 * struct ieee80211_meshconf_ie - Mesh Configuration element
969 * @meshconf_psel: Active Path Selection Protocol Identifier
970 * @meshconf_pmetric: Active Path Selection Metric Identifier
971 * @meshconf_congest: Congestion Control Mode Identifier
972 * @meshconf_synch: Synchronization Method Identifier
973 * @meshconf_auth: Authentication Protocol Identifier
974 * @meshconf_form: Mesh Formation Info
975 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
976 *
977 * This structure represents the payload of the "Mesh Configuration
978 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
979 */
980 struct ieee80211_meshconf_ie {
981 u8 meshconf_psel;
982 u8 meshconf_pmetric;
983 u8 meshconf_congest;
984 u8 meshconf_synch;
985 u8 meshconf_auth;
986 u8 meshconf_form;
987 u8 meshconf_cap;
988 } __packed;
989
990 /**
991 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
992 *
993 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
994 * additional mesh peerings with other mesh STAs
995 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
996 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
997 * is ongoing
998 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
999 * neighbors in deep sleep mode
1000 *
1001 * Enumerates the "Mesh Capability" as described in IEEE Std
1002 * 802.11-2020 section 9.4.2.97.7.
1003 */
1004 enum mesh_config_capab_flags {
1005 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
1006 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
1007 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
1008 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
1009 };
1010
1011 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1012
1013 /*
1014 * mesh channel switch parameters element's flag indicator
1015 *
1016 */
1017 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1018 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1019 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1020
1021 /**
1022 * struct ieee80211_rann_ie - RANN (root announcement) element
1023 * @rann_flags: Flags
1024 * @rann_hopcount: Hop Count
1025 * @rann_ttl: Element TTL
1026 * @rann_addr: Root Mesh STA Address
1027 * @rann_seq: HWMP Sequence Number
1028 * @rann_interval: Interval
1029 * @rann_metric: Metric
1030 *
1031 * This structure represents the payload of the "RANN element" as
1032 * described in IEEE Std 802.11-2020 section 9.4.2.111.
1033 */
1034 struct ieee80211_rann_ie {
1035 u8 rann_flags;
1036 u8 rann_hopcount;
1037 u8 rann_ttl;
1038 u8 rann_addr[ETH_ALEN];
1039 __le32 rann_seq;
1040 __le32 rann_interval;
1041 __le32 rann_metric;
1042 } __packed;
1043
1044 enum ieee80211_rann_flags {
1045 RANN_FLAG_IS_GATE = 1 << 0,
1046 };
1047
1048 enum ieee80211_ht_chanwidth_values {
1049 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1050 IEEE80211_HT_CHANWIDTH_ANY = 1,
1051 };
1052
1053 /**
1054 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1055 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1056 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1057 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1058 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1059 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1060 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1061 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1062 * (the NSS value is the value of this field + 1)
1063 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1064 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1065 * using a beamforming steering matrix
1066 */
1067 enum ieee80211_vht_opmode_bits {
1068 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1069 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1070 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1071 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1072 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1073 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1074 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1075 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1076 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1077 };
1078
1079 /**
1080 * enum ieee80211_s1g_chanwidth
1081 * These are defined in IEEE802.11-2016ah Table 10-20
1082 * as BSS Channel Width
1083 *
1084 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1085 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1086 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1087 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1088 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1089 */
1090 enum ieee80211_s1g_chanwidth {
1091 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1092 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1093 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1094 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1095 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1096 };
1097
1098 #define WLAN_SA_QUERY_TR_ID_LEN 2
1099 #define WLAN_MEMBERSHIP_LEN 8
1100 #define WLAN_USER_POSITION_LEN 16
1101
1102 /**
1103 * struct ieee80211_tpc_report_ie - TPC Report element
1104 * @tx_power: Transmit Power
1105 * @link_margin: Link Margin
1106 *
1107 * This structure represents the payload of the "TPC Report element" as
1108 * described in IEEE Std 802.11-2020 section 9.4.2.16.
1109 */
1110 struct ieee80211_tpc_report_ie {
1111 u8 tx_power;
1112 u8 link_margin;
1113 } __packed;
1114
1115 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1116 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1117 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1118 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1119 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1120
1121 struct ieee80211_addba_ext_ie {
1122 u8 data;
1123 } __packed;
1124
1125 /**
1126 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1127 * @compat_info: Compatibility Information
1128 * @beacon_int: Beacon Interval
1129 * @tsf_completion: TSF Completion
1130 *
1131 * This structure represents the payload of the "S1G Beacon
1132 * Compatibility element" as described in IEEE Std 802.11-2020 section
1133 * 9.4.2.196.
1134 */
1135 struct ieee80211_s1g_bcn_compat_ie {
1136 __le16 compat_info;
1137 __le16 beacon_int;
1138 __le32 tsf_completion;
1139 } __packed;
1140
1141 /**
1142 * struct ieee80211_s1g_oper_ie - S1G Operation element
1143 * @ch_width: S1G Operation Information Channel Width
1144 * @oper_class: S1G Operation Information Operating Class
1145 * @primary_ch: S1G Operation Information Primary Channel Number
1146 * @oper_ch: S1G Operation Information Channel Center Frequency
1147 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1148 *
1149 * This structure represents the payload of the "S1G Operation
1150 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1151 */
1152 struct ieee80211_s1g_oper_ie {
1153 u8 ch_width;
1154 u8 oper_class;
1155 u8 primary_ch;
1156 u8 oper_ch;
1157 __le16 basic_mcs_nss;
1158 } __packed;
1159
1160 /**
1161 * struct ieee80211_aid_response_ie - AID Response element
1162 * @aid: AID/Group AID
1163 * @switch_count: AID Switch Count
1164 * @response_int: AID Response Interval
1165 *
1166 * This structure represents the payload of the "AID Response element"
1167 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1168 */
1169 struct ieee80211_aid_response_ie {
1170 __le16 aid;
1171 u8 switch_count;
1172 __le16 response_int;
1173 } __packed;
1174
1175 struct ieee80211_s1g_cap {
1176 u8 capab_info[10];
1177 u8 supp_mcs_nss[5];
1178 } __packed;
1179
1180 struct ieee80211_ext {
1181 __le16 frame_control;
1182 __le16 duration;
1183 union {
1184 struct {
1185 u8 sa[ETH_ALEN];
1186 __le32 timestamp;
1187 u8 change_seq;
1188 u8 variable[0];
1189 } __packed s1g_beacon;
1190 struct {
1191 u8 sa[ETH_ALEN];
1192 __le32 timestamp;
1193 u8 change_seq;
1194 u8 next_tbtt[3];
1195 u8 variable[0];
1196 } __packed s1g_short_beacon;
1197 } u;
1198 } __packed __aligned(2);
1199
1200 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1201 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1202 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1203 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1204 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1205
1206 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1207 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1208 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1209 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1210 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1211 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1212 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1213 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1214
1215 enum ieee80211_twt_setup_cmd {
1216 TWT_SETUP_CMD_REQUEST,
1217 TWT_SETUP_CMD_SUGGEST,
1218 TWT_SETUP_CMD_DEMAND,
1219 TWT_SETUP_CMD_GROUPING,
1220 TWT_SETUP_CMD_ACCEPT,
1221 TWT_SETUP_CMD_ALTERNATE,
1222 TWT_SETUP_CMD_DICTATE,
1223 TWT_SETUP_CMD_REJECT,
1224 };
1225
1226 struct ieee80211_twt_params {
1227 __le16 req_type;
1228 __le64 twt;
1229 u8 min_twt_dur;
1230 __le16 mantissa;
1231 u8 channel;
1232 } __packed;
1233
1234 struct ieee80211_twt_setup {
1235 u8 dialog_token;
1236 u8 element_id;
1237 u8 length;
1238 u8 control;
1239 u8 params[];
1240 } __packed;
1241
1242 struct ieee80211_mgmt {
1243 __le16 frame_control;
1244 __le16 duration;
1245 u8 da[ETH_ALEN];
1246 u8 sa[ETH_ALEN];
1247 u8 bssid[ETH_ALEN];
1248 __le16 seq_ctrl;
1249 union {
1250 struct {
1251 __le16 auth_alg;
1252 __le16 auth_transaction;
1253 __le16 status_code;
1254 /* possibly followed by Challenge text */
1255 u8 variable[];
1256 } __packed auth;
1257 struct {
1258 __le16 reason_code;
1259 } __packed deauth;
1260 struct {
1261 __le16 capab_info;
1262 __le16 listen_interval;
1263 /* followed by SSID and Supported rates */
1264 u8 variable[];
1265 } __packed assoc_req;
1266 struct {
1267 __le16 capab_info;
1268 __le16 status_code;
1269 __le16 aid;
1270 /* followed by Supported rates */
1271 u8 variable[];
1272 } __packed assoc_resp, reassoc_resp;
1273 struct {
1274 __le16 capab_info;
1275 __le16 status_code;
1276 u8 variable[];
1277 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1278 struct {
1279 __le16 capab_info;
1280 __le16 listen_interval;
1281 u8 current_ap[ETH_ALEN];
1282 /* followed by SSID and Supported rates */
1283 u8 variable[];
1284 } __packed reassoc_req;
1285 struct {
1286 __le16 reason_code;
1287 } __packed disassoc;
1288 struct {
1289 __le64 timestamp;
1290 __le16 beacon_int;
1291 __le16 capab_info;
1292 /* followed by some of SSID, Supported rates,
1293 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1294 u8 variable[];
1295 } __packed beacon;
1296 struct {
1297 /* only variable items: SSID, Supported rates */
1298 DECLARE_FLEX_ARRAY(u8, variable);
1299 } __packed probe_req;
1300 struct {
1301 __le64 timestamp;
1302 __le16 beacon_int;
1303 __le16 capab_info;
1304 /* followed by some of SSID, Supported rates,
1305 * FH Params, DS Params, CF Params, IBSS Params */
1306 u8 variable[];
1307 } __packed probe_resp;
1308 struct {
1309 u8 category;
1310 union {
1311 struct {
1312 u8 action_code;
1313 u8 dialog_token;
1314 u8 status_code;
1315 u8 variable[];
1316 } __packed wme_action;
1317 struct{
1318 u8 action_code;
1319 u8 variable[];
1320 } __packed chan_switch;
1321 struct{
1322 u8 action_code;
1323 struct ieee80211_ext_chansw_ie data;
1324 u8 variable[];
1325 } __packed ext_chan_switch;
1326 struct{
1327 u8 action_code;
1328 u8 dialog_token;
1329 u8 element_id;
1330 u8 length;
1331 struct ieee80211_msrment_ie msr_elem;
1332 } __packed measurement;
1333 struct{
1334 u8 action_code;
1335 u8 dialog_token;
1336 __le16 capab;
1337 __le16 timeout;
1338 __le16 start_seq_num;
1339 /* followed by BA Extension */
1340 u8 variable[];
1341 } __packed addba_req;
1342 struct{
1343 u8 action_code;
1344 u8 dialog_token;
1345 __le16 status;
1346 __le16 capab;
1347 __le16 timeout;
1348 } __packed addba_resp;
1349 struct{
1350 u8 action_code;
1351 __le16 params;
1352 __le16 reason_code;
1353 } __packed delba;
1354 struct {
1355 u8 action_code;
1356 u8 variable[];
1357 } __packed self_prot;
1358 struct{
1359 u8 action_code;
1360 u8 variable[];
1361 } __packed mesh_action;
1362 struct {
1363 u8 action;
1364 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1365 } __packed sa_query;
1366 struct {
1367 u8 action;
1368 u8 smps_control;
1369 } __packed ht_smps;
1370 struct {
1371 u8 action_code;
1372 u8 chanwidth;
1373 } __packed ht_notify_cw;
1374 struct {
1375 u8 action_code;
1376 u8 dialog_token;
1377 __le16 capability;
1378 u8 variable[0];
1379 } __packed tdls_discover_resp;
1380 struct {
1381 u8 action_code;
1382 u8 operating_mode;
1383 } __packed vht_opmode_notif;
1384 struct {
1385 u8 action_code;
1386 u8 membership[WLAN_MEMBERSHIP_LEN];
1387 u8 position[WLAN_USER_POSITION_LEN];
1388 } __packed vht_group_notif;
1389 struct {
1390 u8 action_code;
1391 u8 dialog_token;
1392 u8 tpc_elem_id;
1393 u8 tpc_elem_length;
1394 struct ieee80211_tpc_report_ie tpc;
1395 } __packed tpc_report;
1396 struct {
1397 u8 action_code;
1398 u8 dialog_token;
1399 u8 follow_up;
1400 u8 tod[6];
1401 u8 toa[6];
1402 __le16 tod_error;
1403 __le16 toa_error;
1404 u8 variable[];
1405 } __packed ftm;
1406 struct {
1407 u8 action_code;
1408 u8 variable[];
1409 } __packed s1g;
1410 struct {
1411 u8 action_code;
1412 u8 dialog_token;
1413 u8 follow_up;
1414 u32 tod;
1415 u32 toa;
1416 u8 max_tod_error;
1417 u8 max_toa_error;
1418 } __packed wnm_timing_msr;
1419 } u;
1420 } __packed action;
1421 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1422 } u;
1423 } __packed __aligned(2);
1424
1425 /* Supported rates membership selectors */
1426 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1427 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1428 #define BSS_MEMBERSHIP_SELECTOR_GLK 125
1429 #define BSS_MEMBERSHIP_SELECTOR_EPS 124
1430 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1431 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1432 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1433
1434 /* mgmt header + 1 byte category code */
1435 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1436
1437
1438 /* Management MIC information element (IEEE 802.11w) */
1439 struct ieee80211_mmie {
1440 u8 element_id;
1441 u8 length;
1442 __le16 key_id;
1443 u8 sequence_number[6];
1444 u8 mic[8];
1445 } __packed;
1446
1447 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1448 struct ieee80211_mmie_16 {
1449 u8 element_id;
1450 u8 length;
1451 __le16 key_id;
1452 u8 sequence_number[6];
1453 u8 mic[16];
1454 } __packed;
1455
1456 struct ieee80211_vendor_ie {
1457 u8 element_id;
1458 u8 len;
1459 u8 oui[3];
1460 u8 oui_type;
1461 } __packed;
1462
1463 struct ieee80211_wmm_ac_param {
1464 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1465 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1466 __le16 txop_limit;
1467 } __packed;
1468
1469 struct ieee80211_wmm_param_ie {
1470 u8 element_id; /* Element ID: 221 (0xdd); */
1471 u8 len; /* Length: 24 */
1472 /* required fields for WMM version 1 */
1473 u8 oui[3]; /* 00:50:f2 */
1474 u8 oui_type; /* 2 */
1475 u8 oui_subtype; /* 1 */
1476 u8 version; /* 1 for WMM version 1.0 */
1477 u8 qos_info; /* AP/STA specific QoS info */
1478 u8 reserved; /* 0 */
1479 /* AC_BE, AC_BK, AC_VI, AC_VO */
1480 struct ieee80211_wmm_ac_param ac[4];
1481 } __packed;
1482
1483 /* Control frames */
1484 struct ieee80211_rts {
1485 __le16 frame_control;
1486 __le16 duration;
1487 u8 ra[ETH_ALEN];
1488 u8 ta[ETH_ALEN];
1489 } __packed __aligned(2);
1490
1491 struct ieee80211_cts {
1492 __le16 frame_control;
1493 __le16 duration;
1494 u8 ra[ETH_ALEN];
1495 } __packed __aligned(2);
1496
1497 struct ieee80211_pspoll {
1498 __le16 frame_control;
1499 __le16 aid;
1500 u8 bssid[ETH_ALEN];
1501 u8 ta[ETH_ALEN];
1502 } __packed __aligned(2);
1503
1504 /* TDLS */
1505
1506 /* Channel switch timing */
1507 struct ieee80211_ch_switch_timing {
1508 __le16 switch_time;
1509 __le16 switch_timeout;
1510 } __packed;
1511
1512 /* Link-id information element */
1513 struct ieee80211_tdls_lnkie {
1514 u8 ie_type; /* Link Identifier IE */
1515 u8 ie_len;
1516 u8 bssid[ETH_ALEN];
1517 u8 init_sta[ETH_ALEN];
1518 u8 resp_sta[ETH_ALEN];
1519 } __packed;
1520
1521 struct ieee80211_tdls_data {
1522 u8 da[ETH_ALEN];
1523 u8 sa[ETH_ALEN];
1524 __be16 ether_type;
1525 u8 payload_type;
1526 u8 category;
1527 u8 action_code;
1528 union {
1529 struct {
1530 u8 dialog_token;
1531 __le16 capability;
1532 u8 variable[0];
1533 } __packed setup_req;
1534 struct {
1535 __le16 status_code;
1536 u8 dialog_token;
1537 __le16 capability;
1538 u8 variable[0];
1539 } __packed setup_resp;
1540 struct {
1541 __le16 status_code;
1542 u8 dialog_token;
1543 u8 variable[0];
1544 } __packed setup_cfm;
1545 struct {
1546 __le16 reason_code;
1547 u8 variable[0];
1548 } __packed teardown;
1549 struct {
1550 u8 dialog_token;
1551 u8 variable[0];
1552 } __packed discover_req;
1553 struct {
1554 u8 target_channel;
1555 u8 oper_class;
1556 u8 variable[0];
1557 } __packed chan_switch_req;
1558 struct {
1559 __le16 status_code;
1560 u8 variable[0];
1561 } __packed chan_switch_resp;
1562 } u;
1563 } __packed;
1564
1565 /*
1566 * Peer-to-Peer IE attribute related definitions.
1567 */
1568 /*
1569 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1570 */
1571 enum ieee80211_p2p_attr_id {
1572 IEEE80211_P2P_ATTR_STATUS = 0,
1573 IEEE80211_P2P_ATTR_MINOR_REASON,
1574 IEEE80211_P2P_ATTR_CAPABILITY,
1575 IEEE80211_P2P_ATTR_DEVICE_ID,
1576 IEEE80211_P2P_ATTR_GO_INTENT,
1577 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1578 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1579 IEEE80211_P2P_ATTR_GROUP_BSSID,
1580 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1581 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1582 IEEE80211_P2P_ATTR_MANAGABILITY,
1583 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1584 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1585 IEEE80211_P2P_ATTR_DEVICE_INFO,
1586 IEEE80211_P2P_ATTR_GROUP_INFO,
1587 IEEE80211_P2P_ATTR_GROUP_ID,
1588 IEEE80211_P2P_ATTR_INTERFACE,
1589 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1590 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1591 /* 19 - 220: Reserved */
1592 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1593
1594 IEEE80211_P2P_ATTR_MAX
1595 };
1596
1597 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1598 /* Typical max value used here */
1599 #define IEEE80211_P2P_NOA_DESC_MAX 4
1600
1601 struct ieee80211_p2p_noa_desc {
1602 u8 count;
1603 __le32 duration;
1604 __le32 interval;
1605 __le32 start_time;
1606 } __packed;
1607
1608 struct ieee80211_p2p_noa_attr {
1609 u8 index;
1610 u8 oppps_ctwindow;
1611 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1612 } __packed;
1613
1614 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1615 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1616
1617 /**
1618 * struct ieee80211_bar - Block Ack Request frame format
1619 * @frame_control: Frame Control
1620 * @duration: Duration
1621 * @ra: RA
1622 * @ta: TA
1623 * @control: BAR Control
1624 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1625 *
1626 * This structure represents the "BlockAckReq frame format"
1627 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1628 */
1629 struct ieee80211_bar {
1630 __le16 frame_control;
1631 __le16 duration;
1632 __u8 ra[ETH_ALEN];
1633 __u8 ta[ETH_ALEN];
1634 __le16 control;
1635 __le16 start_seq_num;
1636 } __packed;
1637
1638 /* 802.11 BAR control masks */
1639 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1640 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1641 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1642 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1643 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1644
1645 #define IEEE80211_HT_MCS_MASK_LEN 10
1646
1647 /**
1648 * struct ieee80211_mcs_info - Supported MCS Set field
1649 * @rx_mask: RX mask
1650 * @rx_highest: highest supported RX rate. If set represents
1651 * the highest supported RX data rate in units of 1 Mbps.
1652 * If this field is 0 this value should not be used to
1653 * consider the highest RX data rate supported.
1654 * @tx_params: TX parameters
1655 * @reserved: Reserved bits
1656 *
1657 * This structure represents the "Supported MCS Set field" as
1658 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1659 */
1660 struct ieee80211_mcs_info {
1661 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1662 __le16 rx_highest;
1663 u8 tx_params;
1664 u8 reserved[3];
1665 } __packed;
1666
1667 /* 802.11n HT capability MSC set */
1668 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1669 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1670 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1671 /* value 0 == 1 stream etc */
1672 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1673 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1674 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1675 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1676
1677 /*
1678 * 802.11n D5.0 20.3.5 / 20.6 says:
1679 * - indices 0 to 7 and 32 are single spatial stream
1680 * - 8 to 31 are multiple spatial streams using equal modulation
1681 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1682 * - remainder are multiple spatial streams using unequal modulation
1683 */
1684 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1685 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1686 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1687
1688 /**
1689 * struct ieee80211_ht_cap - HT capabilities element
1690 * @cap_info: HT Capability Information
1691 * @ampdu_params_info: A-MPDU Parameters
1692 * @mcs: Supported MCS Set
1693 * @extended_ht_cap_info: HT Extended Capabilities
1694 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1695 * @antenna_selection_info: ASEL Capability
1696 *
1697 * This structure represents the payload of the "HT Capabilities
1698 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1699 */
1700 struct ieee80211_ht_cap {
1701 __le16 cap_info;
1702 u8 ampdu_params_info;
1703
1704 /* 16 bytes MCS information */
1705 struct ieee80211_mcs_info mcs;
1706
1707 __le16 extended_ht_cap_info;
1708 __le32 tx_BF_cap_info;
1709 u8 antenna_selection_info;
1710 } __packed;
1711
1712 /* 802.11n HT capabilities masks (for cap_info) */
1713 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1714 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1715 #define IEEE80211_HT_CAP_SM_PS 0x000C
1716 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1717 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1718 #define IEEE80211_HT_CAP_SGI_20 0x0020
1719 #define IEEE80211_HT_CAP_SGI_40 0x0040
1720 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1721 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1722 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1723 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1724 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1725 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1726 #define IEEE80211_HT_CAP_RESERVED 0x2000
1727 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1728 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1729
1730 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1731 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1732 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1733 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1734 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1735 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1736 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1737 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1738
1739 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1740 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1741 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1742 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1743
1744 /*
1745 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1746 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1747 */
1748 enum ieee80211_max_ampdu_length_exp {
1749 IEEE80211_HT_MAX_AMPDU_8K = 0,
1750 IEEE80211_HT_MAX_AMPDU_16K = 1,
1751 IEEE80211_HT_MAX_AMPDU_32K = 2,
1752 IEEE80211_HT_MAX_AMPDU_64K = 3
1753 };
1754
1755 /*
1756 * Maximum length of AMPDU that the STA can receive in VHT.
1757 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1758 */
1759 enum ieee80211_vht_max_ampdu_length_exp {
1760 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1761 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1762 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1763 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1764 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1765 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1766 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1767 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1768 };
1769
1770 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1771
1772 /* Minimum MPDU start spacing */
1773 enum ieee80211_min_mpdu_spacing {
1774 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1775 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1776 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1777 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1778 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1779 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1780 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1781 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1782 };
1783
1784 /**
1785 * struct ieee80211_ht_operation - HT operation IE
1786 * @primary_chan: Primary Channel
1787 * @ht_param: HT Operation Information parameters
1788 * @operation_mode: HT Operation Information operation mode
1789 * @stbc_param: HT Operation Information STBC params
1790 * @basic_set: Basic HT-MCS Set
1791 *
1792 * This structure represents the payload of the "HT Operation
1793 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1794 */
1795 struct ieee80211_ht_operation {
1796 u8 primary_chan;
1797 u8 ht_param;
1798 __le16 operation_mode;
1799 __le16 stbc_param;
1800 u8 basic_set[16];
1801 } __packed;
1802
1803 /* for ht_param */
1804 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1805 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1806 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1807 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1808 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1809 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1810
1811 /* for operation_mode */
1812 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1813 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1814 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1815 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1816 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1817 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1818 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1819 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1820 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1821
1822 /* for stbc_param */
1823 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1824 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1825 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1826 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1827 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1828 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1829
1830
1831 /* block-ack parameters */
1832 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1833 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1834 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1835 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1836 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1837 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1838
1839 /*
1840 * A-MPDU buffer sizes
1841 * According to HT size varies from 8 to 64 frames
1842 * HE adds the ability to have up to 256 frames.
1843 * EHT adds the ability to have up to 1K frames.
1844 */
1845 #define IEEE80211_MIN_AMPDU_BUF 0x8
1846 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1847 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1848 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1849
1850
1851 /* Spatial Multiplexing Power Save Modes (for capability) */
1852 #define WLAN_HT_CAP_SM_PS_STATIC 0
1853 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1854 #define WLAN_HT_CAP_SM_PS_INVALID 2
1855 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1856
1857 /* for SM power control field lower two bits */
1858 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1859 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1860 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1861
1862 /**
1863 * struct ieee80211_vht_mcs_info - VHT MCS information
1864 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1865 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1866 * STA can receive. Rate expressed in units of 1 Mbps.
1867 * If this field is 0 this value should not be used to
1868 * consider the highest RX data rate supported.
1869 * The top 3 bits of this field indicate the Maximum NSTS,total
1870 * (a beamformee capability.)
1871 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1872 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1873 * STA can transmit. Rate expressed in units of 1 Mbps.
1874 * If this field is 0 this value should not be used to
1875 * consider the highest TX data rate supported.
1876 * The top 2 bits of this field are reserved, the
1877 * 3rd bit from the top indiciates VHT Extended NSS BW
1878 * Capability.
1879 */
1880 struct ieee80211_vht_mcs_info {
1881 __le16 rx_mcs_map;
1882 __le16 rx_highest;
1883 __le16 tx_mcs_map;
1884 __le16 tx_highest;
1885 } __packed;
1886
1887 /* for rx_highest */
1888 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1889 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1890
1891 /* for tx_highest */
1892 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1893
1894 /**
1895 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1896 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1897 * number of streams
1898 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1899 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1900 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1901 *
1902 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1903 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1904 * both split into 8 subfields by number of streams. These values indicate
1905 * which MCSes are supported for the number of streams the value appears
1906 * for.
1907 */
1908 enum ieee80211_vht_mcs_support {
1909 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1910 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1911 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1912 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1913 };
1914
1915 /**
1916 * struct ieee80211_vht_cap - VHT capabilities
1917 *
1918 * This structure is the "VHT capabilities element" as
1919 * described in 802.11ac D3.0 8.4.2.160
1920 * @vht_cap_info: VHT capability info
1921 * @supp_mcs: VHT MCS supported rates
1922 */
1923 struct ieee80211_vht_cap {
1924 __le32 vht_cap_info;
1925 struct ieee80211_vht_mcs_info supp_mcs;
1926 } __packed;
1927
1928 /**
1929 * enum ieee80211_vht_chanwidth - VHT channel width
1930 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1931 * determine the channel width (20 or 40 MHz)
1932 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1933 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1934 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1935 */
1936 enum ieee80211_vht_chanwidth {
1937 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1938 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1939 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1940 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1941 };
1942
1943 /**
1944 * struct ieee80211_vht_operation - VHT operation IE
1945 *
1946 * This structure is the "VHT operation element" as
1947 * described in 802.11ac D3.0 8.4.2.161
1948 * @chan_width: Operating channel width
1949 * @center_freq_seg0_idx: center freq segment 0 index
1950 * @center_freq_seg1_idx: center freq segment 1 index
1951 * @basic_mcs_set: VHT Basic MCS rate set
1952 */
1953 struct ieee80211_vht_operation {
1954 u8 chan_width;
1955 u8 center_freq_seg0_idx;
1956 u8 center_freq_seg1_idx;
1957 __le16 basic_mcs_set;
1958 } __packed;
1959
1960 /**
1961 * struct ieee80211_he_cap_elem - HE capabilities element
1962 * @mac_cap_info: HE MAC Capabilities Information
1963 * @phy_cap_info: HE PHY Capabilities Information
1964 *
1965 * This structure represents the fixed fields of the payload of the
1966 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
1967 * sections 9.4.2.248.2 and 9.4.2.248.3.
1968 */
1969 struct ieee80211_he_cap_elem {
1970 u8 mac_cap_info[6];
1971 u8 phy_cap_info[11];
1972 } __packed;
1973
1974 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1975
1976 /**
1977 * enum ieee80211_he_mcs_support - HE MCS support definitions
1978 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1979 * number of streams
1980 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1981 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1982 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1983 *
1984 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1985 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1986 * both split into 8 subfields by number of streams. These values indicate
1987 * which MCSes are supported for the number of streams the value appears
1988 * for.
1989 */
1990 enum ieee80211_he_mcs_support {
1991 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1992 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1993 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1994 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1995 };
1996
1997 /**
1998 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1999 *
2000 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2001 * described in P802.11ax_D2.0 section 9.4.2.237.4
2002 *
2003 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2004 * widths less than 80MHz.
2005 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2006 * widths less than 80MHz.
2007 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2008 * width 160MHz.
2009 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2010 * width 160MHz.
2011 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2012 * channel width 80p80MHz.
2013 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2014 * channel width 80p80MHz.
2015 */
2016 struct ieee80211_he_mcs_nss_supp {
2017 __le16 rx_mcs_80;
2018 __le16 tx_mcs_80;
2019 __le16 rx_mcs_160;
2020 __le16 tx_mcs_160;
2021 __le16 rx_mcs_80p80;
2022 __le16 tx_mcs_80p80;
2023 } __packed;
2024
2025 /**
2026 * struct ieee80211_he_operation - HE Operation element
2027 * @he_oper_params: HE Operation Parameters + BSS Color Information
2028 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2029 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2030 * BSSID Indicator, and 6 GHz Operation Information
2031 *
2032 * This structure represents the payload of the "HE Operation
2033 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2034 */
2035 struct ieee80211_he_operation {
2036 __le32 he_oper_params;
2037 __le16 he_mcs_nss_set;
2038 u8 optional[];
2039 } __packed;
2040
2041 /**
2042 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2043 * @he_sr_control: SR Control
2044 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2045 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2046 * Bitmap, and SRG Partial BSSID Bitmap
2047 *
2048 * This structure represents the payload of the "Spatial Reuse
2049 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2050 * section 9.4.2.252.
2051 */
2052 struct ieee80211_he_spr {
2053 u8 he_sr_control;
2054 u8 optional[];
2055 } __packed;
2056
2057 /**
2058 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2059 * @aifsn: ACI/AIFSN
2060 * @ecw_min_max: ECWmin/ECWmax
2061 * @mu_edca_timer: MU EDCA Timer
2062 *
2063 * This structure represents the "MU AC Parameter Record" as described
2064 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2065 */
2066 struct ieee80211_he_mu_edca_param_ac_rec {
2067 u8 aifsn;
2068 u8 ecw_min_max;
2069 u8 mu_edca_timer;
2070 } __packed;
2071
2072 /**
2073 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2074 * @mu_qos_info: QoS Info
2075 * @ac_be: MU AC_BE Parameter Record
2076 * @ac_bk: MU AC_BK Parameter Record
2077 * @ac_vi: MU AC_VI Parameter Record
2078 * @ac_vo: MU AC_VO Parameter Record
2079 *
2080 * This structure represents the payload of the "MU EDCA Parameter Set
2081 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2082 */
2083 struct ieee80211_mu_edca_param_set {
2084 u8 mu_qos_info;
2085 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2086 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2087 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2088 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2089 } __packed;
2090
2091 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2092 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2093
2094 /**
2095 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2096 * supported NSS for per MCS.
2097 *
2098 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2099 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2100 * for Tx.
2101 *
2102 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2103 * supported for reception and the maximum number of spatial streams
2104 * supported for transmission for MCS 0 - 7.
2105 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2106 * supported for reception and the maximum number of spatial streams
2107 * supported for transmission for MCS 8 - 9.
2108 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2109 * supported for reception and the maximum number of spatial streams
2110 * supported for transmission for MCS 10 - 11.
2111 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2112 * supported for reception and the maximum number of spatial streams
2113 * supported for transmission for MCS 12 - 13.
2114 * @rx_tx_max_nss: array of the previous fields for easier loop access
2115 */
2116 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2117 union {
2118 struct {
2119 u8 rx_tx_mcs7_max_nss;
2120 u8 rx_tx_mcs9_max_nss;
2121 u8 rx_tx_mcs11_max_nss;
2122 u8 rx_tx_mcs13_max_nss;
2123 };
2124 u8 rx_tx_max_nss[4];
2125 };
2126 };
2127
2128 /**
2129 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2130 * 20MHz only stations).
2131 *
2132 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2133 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2134 * for Tx.
2135 *
2136 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2137 * supported for reception and the maximum number of spatial streams
2138 * supported for transmission for MCS 0 - 9.
2139 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2140 * supported for reception and the maximum number of spatial streams
2141 * supported for transmission for MCS 10 - 11.
2142 * @rx_tx_mcs13_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 12 - 13.
2145 * @rx_tx_max_nss: array of the previous fields for easier loop access
2146 */
2147 struct ieee80211_eht_mcs_nss_supp_bw {
2148 union {
2149 struct {
2150 u8 rx_tx_mcs9_max_nss;
2151 u8 rx_tx_mcs11_max_nss;
2152 u8 rx_tx_mcs13_max_nss;
2153 };
2154 u8 rx_tx_max_nss[3];
2155 };
2156 };
2157
2158 /**
2159 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2160 *
2161 * This structure is the "EHT Capabilities element" fixed fields as
2162 * described in P802.11be_D2.0 section 9.4.2.313.
2163 *
2164 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2165 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2166 */
2167 struct ieee80211_eht_cap_elem_fixed {
2168 u8 mac_cap_info[2];
2169 u8 phy_cap_info[9];
2170 } __packed;
2171
2172 /**
2173 * struct ieee80211_eht_cap_elem - EHT capabilities element
2174 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2175 * @optional: optional parts
2176 */
2177 struct ieee80211_eht_cap_elem {
2178 struct ieee80211_eht_cap_elem_fixed fixed;
2179
2180 /*
2181 * Followed by:
2182 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2183 * EHT PPE Thresholds field: variable length.
2184 */
2185 u8 optional[];
2186 } __packed;
2187
2188 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2189 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2190 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2191 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2192 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2193
2194 /**
2195 * struct ieee80211_eht_operation - eht operation element
2196 *
2197 * This structure is the "EHT Operation Element" fields as
2198 * described in P802.11be_D2.0 section 9.4.2.311
2199 *
2200 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2201 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2202 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2203 * receive.
2204 * @optional: optional parts
2205 */
2206 struct ieee80211_eht_operation {
2207 u8 params;
2208 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2209 u8 optional[];
2210 } __packed;
2211
2212 /**
2213 * struct ieee80211_eht_operation_info - eht operation information
2214 *
2215 * @control: EHT operation information control.
2216 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2217 * EHT BSS.
2218 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2219 * @optional: optional parts
2220 */
2221 struct ieee80211_eht_operation_info {
2222 u8 control;
2223 u8 ccfs0;
2224 u8 ccfs1;
2225 u8 optional[];
2226 } __packed;
2227
2228 /* 802.11ac VHT Capabilities */
2229 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2230 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2231 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2232 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2233 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2234 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2235 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2236 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2237 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2238 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2239 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2240 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2241 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2242 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2243 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2244 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2245 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2246 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2247 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2248 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2249 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2250 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2251 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2252 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2253 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2254 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2255 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2256 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2257 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2258 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2259 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2260 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2261 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2262 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2263 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2264 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2265 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2266 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2267 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2268
2269 /**
2270 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2271 * @cap: VHT capabilities of the peer
2272 * @bw: bandwidth to use
2273 * @mcs: MCS index to use
2274 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2275 * (rate scaling algorithm) can deal with the new logic
2276 * (dot11VHTExtendedNSSBWCapable)
2277 * @max_vht_nss: current maximum NSS as advertised by the STA in
2278 * operating mode notification, can be 0 in which case the
2279 * capability data will be used to derive this (from MCS support)
2280 *
2281 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2282 * vary for a given BW/MCS. This function parses the data.
2283 *
2284 * Note: This function is exported by cfg80211.
2285 */
2286 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2287 enum ieee80211_vht_chanwidth bw,
2288 int mcs, bool ext_nss_bw_capable,
2289 unsigned int max_vht_nss);
2290
2291 /**
2292 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2293 *
2294 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2295 * @IEEE80211_REG_LPI_AP: Indoor Access Point
2296 * @IEEE80211_REG_SP_AP: Standard power Access Point
2297 * @IEEE80211_REG_VLP_AP: Very low power Access Point
2298 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2299 * @IEEE80211_REG_AP_POWER_MAX: maximum value
2300 */
2301 enum ieee80211_ap_reg_power {
2302 IEEE80211_REG_UNSET_AP,
2303 IEEE80211_REG_LPI_AP,
2304 IEEE80211_REG_SP_AP,
2305 IEEE80211_REG_VLP_AP,
2306 IEEE80211_REG_AP_POWER_AFTER_LAST,
2307 IEEE80211_REG_AP_POWER_MAX =
2308 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2309 };
2310
2311 /**
2312 * enum ieee80211_client_reg_power - regulatory power for a client
2313 *
2314 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2315 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2316 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2317 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2318 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2319 */
2320 enum ieee80211_client_reg_power {
2321 IEEE80211_REG_UNSET_CLIENT,
2322 IEEE80211_REG_DEFAULT_CLIENT,
2323 IEEE80211_REG_SUBORDINATE_CLIENT,
2324 IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2325 IEEE80211_REG_CLIENT_POWER_MAX =
2326 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2327 };
2328
2329 /* 802.11ax HE MAC capabilities */
2330 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2331 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2332 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2333 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2334 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2335 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2336 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2337 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2338 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2339 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2340 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2341 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2342 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2343 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2344 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2345 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2346 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2347
2348 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2349 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2350 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2351 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2352 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2353 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2354 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2355 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2356 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2357 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2358 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2359 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2360 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2361 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2362 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2363 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2364 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2365 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2366
2367 /* Link adaptation is split between byte HE_MAC_CAP1 and
2368 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2369 * in which case the following values apply:
2370 * 0 = No feedback.
2371 * 1 = reserved.
2372 * 2 = Unsolicited feedback.
2373 * 3 = both
2374 */
2375 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2376
2377 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2378 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2379 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2380 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2381 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2382 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2383 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2384 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2385
2386 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2387 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2388
2389 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2390 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2391 * same field in the HE capabilities.
2392 */
2393 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2394 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2395 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2396 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2397 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2398 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2399 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2400 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2401
2402 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2403 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2404 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2405 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2406 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2407 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2408 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2409 /* Multi TID agg TX is split between byte #4 and #5
2410 * The value is a combination of B39,B40,B41
2411 */
2412 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2413
2414 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2415 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2416 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2417 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2418 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2419 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2420 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2421 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2422
2423 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2424 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2425 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2426
2427 /* 802.11ax HE PHY capabilities */
2428 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2429 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2430 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2431 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2432 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2433
2434 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2435 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2436 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2437
2438 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2439 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2440 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2441 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2442 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2443 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2444 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2445 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2446 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2447 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2448
2449 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2450 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2451 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2452 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2453 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2454 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2455
2456 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2457 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2458 * case it indicates support for Tx.
2459 */
2460 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2461 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2462
2463 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2464 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2465 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2466 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2467 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2468 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2469 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2470 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2471 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2472 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2473 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2474 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2475 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2476 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2477 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2478 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2479
2480 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2481 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2482
2483 /* Minimal allowed value of Max STS under 80MHz is 3 */
2484 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2485 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2486 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2487 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2488 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2489 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2490
2491 /* Minimal allowed value of Max STS above 80MHz is 3 */
2492 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2493 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2494 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2495 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2496 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2497 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2498
2499 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2500 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2501 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2502 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2503 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2504 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2505 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2506 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2507 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2508
2509 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2510 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2511 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2512 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2513 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2514 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2515 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2516 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2517 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2518
2519 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2520 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2521
2522 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2523 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2524 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2525 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2526 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2527 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2528 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2529 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2530
2531 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2532 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2533 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2534 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2535 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2536 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2537 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2538 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2539 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2540 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2541 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2542 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2543 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2544
2545 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2546 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2547 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2548 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2549 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2550 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2551 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2552 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2553 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2554 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2555 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2556
2557 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2558 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2559 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2560 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2561 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2562 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2563 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2564 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2565 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2566 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2567 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2568 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2569
2570 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2571
2572 /* 802.11ax HE TX/RX MCS NSS Support */
2573 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2574 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2575 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2576 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2577 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2578
2579 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2580 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2581 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2582 HIGHEST_MCS_SUPPORTED_MCS8,
2583 HIGHEST_MCS_SUPPORTED_MCS9,
2584 HIGHEST_MCS_SUPPORTED_MCS10,
2585 HIGHEST_MCS_SUPPORTED_MCS11,
2586 };
2587
2588 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2589 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2590 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2591 {
2592 u8 count = 4;
2593
2594 if (he_cap->phy_cap_info[0] &
2595 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2596 count += 4;
2597
2598 if (he_cap->phy_cap_info[0] &
2599 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2600 count += 4;
2601
2602 return count;
2603 }
2604
2605 /* 802.11ax HE PPE Thresholds */
2606 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2607 #define IEEE80211_PPE_THRES_NSS_POS (0)
2608 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2609 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2610 (BIT(5) | BIT(6))
2611 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2612 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2613 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2614 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2615
2616 /*
2617 * Calculate 802.11ax HE capabilities IE PPE field size
2618 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2619 */
2620 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2621 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2622 {
2623 u8 n;
2624
2625 if ((phy_cap_info[6] &
2626 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2627 return 0;
2628
2629 n = hweight8(ppe_thres_hdr &
2630 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2631 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2632 IEEE80211_PPE_THRES_NSS_POS));
2633
2634 /*
2635 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2636 * total size.
2637 */
2638 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2639 n = DIV_ROUND_UP(n, 8);
2640
2641 return n;
2642 }
2643
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2644 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2645 {
2646 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2647 u8 needed = sizeof(*he_cap_ie_elem);
2648
2649 if (len < needed)
2650 return false;
2651
2652 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2653 if (len < needed)
2654 return false;
2655
2656 if (he_cap_ie_elem->phy_cap_info[6] &
2657 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2658 if (len < needed + 1)
2659 return false;
2660 needed += ieee80211_he_ppe_size(data[needed],
2661 he_cap_ie_elem->phy_cap_info);
2662 }
2663
2664 return len >= needed;
2665 }
2666
2667 /* HE Operation defines */
2668 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2669 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2670 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2671 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2672 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2673 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2674 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2675 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2676 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2677 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2678 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2679 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2680
2681 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2682 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2683
2684 /**
2685 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2686 * @primary: primary channel
2687 * @control: control flags
2688 * @ccfs0: channel center frequency segment 0
2689 * @ccfs1: channel center frequency segment 1
2690 * @minrate: minimum rate (in 1 Mbps units)
2691 */
2692 struct ieee80211_he_6ghz_oper {
2693 u8 primary;
2694 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2695 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2696 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2697 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2698 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2699 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2700 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2701 u8 control;
2702 u8 ccfs0;
2703 u8 ccfs1;
2704 u8 minrate;
2705 } __packed;
2706
2707 /*
2708 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2709 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2710 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2711 * Info subfield encoding in the United States".
2712 * So it it totally max 8 Transmit Power Envelope element.
2713 */
2714 #define IEEE80211_TPE_MAX_IE_COUNT 8
2715 /*
2716 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2717 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2718 */
2719 #define IEEE80211_MAX_NUM_PWR_LEVEL 8
2720
2721 #define IEEE80211_TPE_MAX_POWER_COUNT 8
2722
2723 /* transmit power interpretation type of transmit power envelope element */
2724 enum ieee80211_tx_power_intrpt_type {
2725 IEEE80211_TPE_LOCAL_EIRP,
2726 IEEE80211_TPE_LOCAL_EIRP_PSD,
2727 IEEE80211_TPE_REG_CLIENT_EIRP,
2728 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2729 };
2730
2731 /**
2732 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2733 * @tx_power_info: Transmit Power Information field
2734 * @tx_power: Maximum Transmit Power field
2735 *
2736 * This structure represents the payload of the "Transmit Power
2737 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2738 * 9.4.2.161
2739 */
2740 struct ieee80211_tx_pwr_env {
2741 u8 tx_power_info;
2742 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2743 } __packed;
2744
2745 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2746 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2747 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2748
2749 /*
2750 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2751 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2752 * after the ext ID byte. It is assumed that he_oper_ie has at least
2753 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2754 * validated this.
2755 * @return the actual size of the IE data (not including header), or 0 on error
2756 */
2757 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2758 ieee80211_he_oper_size(const u8 *he_oper_ie)
2759 {
2760 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2761 u8 oper_len = sizeof(struct ieee80211_he_operation);
2762 u32 he_oper_params;
2763
2764 /* Make sure the input is not NULL */
2765 if (!he_oper_ie)
2766 return 0;
2767
2768 /* Calc required length */
2769 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2770 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2771 oper_len += 3;
2772 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2773 oper_len++;
2774 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2775 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2776
2777 /* Add the first byte (extension ID) to the total length */
2778 oper_len++;
2779
2780 return oper_len;
2781 }
2782
2783 /**
2784 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2785 * @he_oper: HE operation element (must be pre-validated for size)
2786 * but may be %NULL
2787 *
2788 * Return: a pointer to the 6 GHz operation field, or %NULL
2789 */
2790 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2791 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2792 {
2793 const u8 *ret = (const void *)&he_oper->optional;
2794 u32 he_oper_params;
2795
2796 if (!he_oper)
2797 return NULL;
2798
2799 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2800
2801 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2802 return NULL;
2803 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2804 ret += 3;
2805 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2806 ret++;
2807
2808 return (const void *)ret;
2809 }
2810
2811 /* HE Spatial Reuse defines */
2812 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2813 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2814 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2815 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2816 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2817
2818 /*
2819 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2820 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2821 * after the ext ID byte. It is assumed that he_spr_ie has at least
2822 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2823 * this
2824 * @return the actual size of the IE data (not including header), or 0 on error
2825 */
2826 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2827 ieee80211_he_spr_size(const u8 *he_spr_ie)
2828 {
2829 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2830 u8 spr_len = sizeof(struct ieee80211_he_spr);
2831 u8 he_spr_params;
2832
2833 /* Make sure the input is not NULL */
2834 if (!he_spr_ie)
2835 return 0;
2836
2837 /* Calc required length */
2838 he_spr_params = he_spr->he_sr_control;
2839 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2840 spr_len++;
2841 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2842 spr_len += 18;
2843
2844 /* Add the first byte (extension ID) to the total length */
2845 spr_len++;
2846
2847 return spr_len;
2848 }
2849
2850 /* S1G Capabilities Information field */
2851 #define IEEE80211_S1G_CAPABILITY_LEN 15
2852
2853 #define S1G_CAP0_S1G_LONG BIT(0)
2854 #define S1G_CAP0_SGI_1MHZ BIT(1)
2855 #define S1G_CAP0_SGI_2MHZ BIT(2)
2856 #define S1G_CAP0_SGI_4MHZ BIT(3)
2857 #define S1G_CAP0_SGI_8MHZ BIT(4)
2858 #define S1G_CAP0_SGI_16MHZ BIT(5)
2859 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2860
2861 #define S1G_SUPP_CH_WIDTH_2 0
2862 #define S1G_SUPP_CH_WIDTH_4 1
2863 #define S1G_SUPP_CH_WIDTH_8 2
2864 #define S1G_SUPP_CH_WIDTH_16 3
2865 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2866 cap[0])) << 1)
2867
2868 #define S1G_CAP1_RX_LDPC BIT(0)
2869 #define S1G_CAP1_TX_STBC BIT(1)
2870 #define S1G_CAP1_RX_STBC BIT(2)
2871 #define S1G_CAP1_SU_BFER BIT(3)
2872 #define S1G_CAP1_SU_BFEE BIT(4)
2873 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2874
2875 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2876 #define S1G_CAP2_MU_BFER BIT(3)
2877 #define S1G_CAP2_MU_BFEE BIT(4)
2878 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2879 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2880
2881 #define S1G_CAP3_RD_RESPONDER BIT(0)
2882 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
2883 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2884 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2885 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2886
2887 #define S1G_CAP4_UPLINK_SYNC BIT(0)
2888 #define S1G_CAP4_DYNAMIC_AID BIT(1)
2889 #define S1G_CAP4_BAT BIT(2)
2890 #define S1G_CAP4_TIME_ADE BIT(3)
2891 #define S1G_CAP4_NON_TIM BIT(4)
2892 #define S1G_CAP4_GROUP_AID BIT(5)
2893 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2894
2895 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2896 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2897 #define S1G_CAP5_AMSDU BIT(2)
2898 #define S1G_CAP5_AMPDU BIT(3)
2899 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2900 #define S1G_CAP5_FLOW_CONTROL BIT(5)
2901 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2902
2903 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
2904 #define S1G_CAP6_FRAGMENT_BA BIT(1)
2905 #define S1G_CAP6_NDP_PS_POLL BIT(2)
2906 #define S1G_CAP6_RAW_OPERATION BIT(3)
2907 #define S1G_CAP6_PAGE_SLICING BIT(4)
2908 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2909 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2910
2911 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2912 #define S1G_CAP7_DUP_1MHZ BIT(1)
2913 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2914 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2915 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2916 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2917 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2918 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2919
2920 #define S1G_CAP8_TWT_GROUPING BIT(0)
2921 #define S1G_CAP8_BDT BIT(1)
2922 #define S1G_CAP8_COLOR GENMASK(4, 2)
2923 #define S1G_CAP8_TWT_REQUEST BIT(5)
2924 #define S1G_CAP8_TWT_RESPOND BIT(6)
2925 #define S1G_CAP8_PV1_FRAME BIT(7)
2926
2927 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2928
2929 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2930 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2931
2932 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2933 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
2934 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
2935 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
2936 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
2937 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
2938 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
2939 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
2940 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
2941 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
2942 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
2943
2944 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
2945
2946 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2947 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
2948 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
2949 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
2950 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
2951 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
2952 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
2953
2954 /* EHT beamformee number of spatial streams <= 80MHz is split */
2955 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
2956 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
2957
2958 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
2959 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
2960
2961 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
2962 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
2963
2964 /* EHT number of sounding dimensions for 320MHz is split */
2965 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
2966 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
2967 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
2968 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
2969 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
2970 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
2971 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
2972 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
2973 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
2974
2975 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
2976 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
2977 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
2978 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
2979 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
2980
2981 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
2982 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
2983 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
2984 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
2985 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
2986 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
2987 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
2988 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
2989 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
2990
2991 /* Maximum number of supported EHT LTF is split */
2992 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
2993 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
2994 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
2995
2996 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
2997 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
2998
2999 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3000 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3001 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3002 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3003 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3004 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3005 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3006 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3007
3008 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3009 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3010
3011 /*
3012 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3013 */
3014 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3015 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3016 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3017 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3018 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3019 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3020
3021 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3022 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)3023 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3024 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3025 bool from_ap)
3026 {
3027 u8 count = 0;
3028
3029 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3030 if (he_cap->phy_cap_info[0] &
3031 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3032 return 3;
3033
3034 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3035 if (he_cap->phy_cap_info[0] &
3036 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3037 count += 3;
3038
3039 if (he_cap->phy_cap_info[0] &
3040 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3041 count += 3;
3042
3043 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3044 count += 3;
3045
3046 if (count)
3047 return count;
3048
3049 return from_ap ? 3 : 4;
3050 }
3051
3052 /* 802.11be EHT PPE Thresholds */
3053 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3054 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3055 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3056 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3057 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3058
3059 /*
3060 * Calculate 802.11be EHT capabilities IE EHT field size
3061 */
3062 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)3063 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3064 {
3065 u32 n;
3066
3067 if (!(phy_cap_info[5] &
3068 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3069 return 0;
3070
3071 n = hweight16(ppe_thres_hdr &
3072 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3073 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3074
3075 /*
3076 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3077 * total size.
3078 */
3079 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3080 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3081 return DIV_ROUND_UP(n, 8);
3082 }
3083
3084 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)3085 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3086 bool from_ap)
3087 {
3088 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3089 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3090
3091 if (len < needed || !he_capa)
3092 return false;
3093
3094 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3095 (const void *)data,
3096 from_ap);
3097 if (len < needed)
3098 return false;
3099
3100 if (elem->phy_cap_info[5] &
3101 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3102 u16 ppe_thres_hdr;
3103
3104 if (len < needed + sizeof(ppe_thres_hdr))
3105 return false;
3106
3107 ppe_thres_hdr = get_unaligned_le16(data + needed);
3108 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3109 elem->phy_cap_info);
3110 }
3111
3112 return len >= needed;
3113 }
3114
3115 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)3116 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3117 {
3118 const struct ieee80211_eht_operation *elem = (const void *)data;
3119 u8 needed = sizeof(*elem);
3120
3121 if (len < needed)
3122 return false;
3123
3124 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3125 needed += 3;
3126
3127 if (elem->params &
3128 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3129 needed += 2;
3130 }
3131
3132 return len >= needed;
3133 }
3134
3135 #define LISTEN_INT_USF GENMASK(15, 14)
3136 #define LISTEN_INT_UI GENMASK(13, 0)
3137
3138 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3139 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3140
3141 /* Authentication algorithms */
3142 #define WLAN_AUTH_OPEN 0
3143 #define WLAN_AUTH_SHARED_KEY 1
3144 #define WLAN_AUTH_FT 2
3145 #define WLAN_AUTH_SAE 3
3146 #define WLAN_AUTH_FILS_SK 4
3147 #define WLAN_AUTH_FILS_SK_PFS 5
3148 #define WLAN_AUTH_FILS_PK 6
3149 #define WLAN_AUTH_LEAP 128
3150
3151 #define WLAN_AUTH_CHALLENGE_LEN 128
3152
3153 #define WLAN_CAPABILITY_ESS (1<<0)
3154 #define WLAN_CAPABILITY_IBSS (1<<1)
3155
3156 /*
3157 * A mesh STA sets the ESS and IBSS capability bits to zero.
3158 * however, this holds true for p2p probe responses (in the p2p_find
3159 * phase) as well.
3160 */
3161 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3162 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3163
3164 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3165 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3166 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3167 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3168 #define WLAN_CAPABILITY_PBCC (1<<6)
3169 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3170
3171 /* 802.11h */
3172 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3173 #define WLAN_CAPABILITY_QOS (1<<9)
3174 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3175 #define WLAN_CAPABILITY_APSD (1<<11)
3176 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3177 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3178 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3179 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3180
3181 /* DMG (60gHz) 802.11ad */
3182 /* type - bits 0..1 */
3183 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3184 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3185 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3186 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3187
3188 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3189 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3190 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3191 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3192
3193 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3194 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3195
3196 /* measurement */
3197 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3198 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3199 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3200
3201 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3202 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3203 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3204 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3205 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3206
3207 /* 802.11g ERP information element */
3208 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3209 #define WLAN_ERP_USE_PROTECTION (1<<1)
3210 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3211
3212 /* WLAN_ERP_BARKER_PREAMBLE values */
3213 enum {
3214 WLAN_ERP_PREAMBLE_SHORT = 0,
3215 WLAN_ERP_PREAMBLE_LONG = 1,
3216 };
3217
3218 /* Band ID, 802.11ad #8.4.1.45 */
3219 enum {
3220 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3221 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3222 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3223 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3224 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3225 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3226 };
3227
3228 /* Status codes */
3229 enum ieee80211_statuscode {
3230 WLAN_STATUS_SUCCESS = 0,
3231 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3232 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3233 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3234 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3235 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3236 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3237 WLAN_STATUS_CHALLENGE_FAIL = 15,
3238 WLAN_STATUS_AUTH_TIMEOUT = 16,
3239 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3240 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3241 /* 802.11b */
3242 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3243 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3244 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3245 /* 802.11h */
3246 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3247 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3248 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3249 /* 802.11g */
3250 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3251 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3252 /* 802.11w */
3253 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3254 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3255 /* 802.11i */
3256 WLAN_STATUS_INVALID_IE = 40,
3257 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3258 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3259 WLAN_STATUS_INVALID_AKMP = 43,
3260 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3261 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3262 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3263 /* 802.11e */
3264 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3265 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3266 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3267 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3268 WLAN_STATUS_REQUEST_DECLINED = 37,
3269 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3270 WLAN_STATUS_CHANGE_TSPEC = 39,
3271 WLAN_STATUS_WAIT_TS_DELAY = 47,
3272 WLAN_STATUS_NO_DIRECT_LINK = 48,
3273 WLAN_STATUS_STA_NOT_PRESENT = 49,
3274 WLAN_STATUS_STA_NOT_QSTA = 50,
3275 /* 802.11s */
3276 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3277 WLAN_STATUS_FCG_NOT_SUPP = 78,
3278 WLAN_STATUS_STA_NO_TBTT = 78,
3279 /* 802.11ad */
3280 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3281 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3282 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3283 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3284 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3285 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3286 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3287 WLAN_STATUS_REJECT_DSE_BAND = 96,
3288 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3289 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3290 /* 802.11ai */
3291 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3292 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3293 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3294 WLAN_STATUS_SAE_PK = 127,
3295 };
3296
3297
3298 /* Reason codes */
3299 enum ieee80211_reasoncode {
3300 WLAN_REASON_UNSPECIFIED = 1,
3301 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3302 WLAN_REASON_DEAUTH_LEAVING = 3,
3303 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3304 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3305 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3306 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3307 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3308 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3309 /* 802.11h */
3310 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3311 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3312 /* 802.11i */
3313 WLAN_REASON_INVALID_IE = 13,
3314 WLAN_REASON_MIC_FAILURE = 14,
3315 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3316 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3317 WLAN_REASON_IE_DIFFERENT = 17,
3318 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3319 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3320 WLAN_REASON_INVALID_AKMP = 20,
3321 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3322 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3323 WLAN_REASON_IEEE8021X_FAILED = 23,
3324 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3325 /* TDLS (802.11z) */
3326 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3327 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3328 /* 802.11e */
3329 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3330 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3331 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3332 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3333 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3334 WLAN_REASON_QSTA_NOT_USE = 37,
3335 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3336 WLAN_REASON_QSTA_TIMEOUT = 39,
3337 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3338 /* 802.11s */
3339 WLAN_REASON_MESH_PEER_CANCELED = 52,
3340 WLAN_REASON_MESH_MAX_PEERS = 53,
3341 WLAN_REASON_MESH_CONFIG = 54,
3342 WLAN_REASON_MESH_CLOSE = 55,
3343 WLAN_REASON_MESH_MAX_RETRIES = 56,
3344 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3345 WLAN_REASON_MESH_INVALID_GTK = 58,
3346 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3347 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3348 WLAN_REASON_MESH_PATH_ERROR = 61,
3349 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3350 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3351 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3352 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3353 WLAN_REASON_MESH_CHAN = 66,
3354 };
3355
3356
3357 /* Information Element IDs */
3358 enum ieee80211_eid {
3359 WLAN_EID_SSID = 0,
3360 WLAN_EID_SUPP_RATES = 1,
3361 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3362 WLAN_EID_DS_PARAMS = 3,
3363 WLAN_EID_CF_PARAMS = 4,
3364 WLAN_EID_TIM = 5,
3365 WLAN_EID_IBSS_PARAMS = 6,
3366 WLAN_EID_COUNTRY = 7,
3367 /* 8, 9 reserved */
3368 WLAN_EID_REQUEST = 10,
3369 WLAN_EID_QBSS_LOAD = 11,
3370 WLAN_EID_EDCA_PARAM_SET = 12,
3371 WLAN_EID_TSPEC = 13,
3372 WLAN_EID_TCLAS = 14,
3373 WLAN_EID_SCHEDULE = 15,
3374 WLAN_EID_CHALLENGE = 16,
3375 /* 17-31 reserved for challenge text extension */
3376 WLAN_EID_PWR_CONSTRAINT = 32,
3377 WLAN_EID_PWR_CAPABILITY = 33,
3378 WLAN_EID_TPC_REQUEST = 34,
3379 WLAN_EID_TPC_REPORT = 35,
3380 WLAN_EID_SUPPORTED_CHANNELS = 36,
3381 WLAN_EID_CHANNEL_SWITCH = 37,
3382 WLAN_EID_MEASURE_REQUEST = 38,
3383 WLAN_EID_MEASURE_REPORT = 39,
3384 WLAN_EID_QUIET = 40,
3385 WLAN_EID_IBSS_DFS = 41,
3386 WLAN_EID_ERP_INFO = 42,
3387 WLAN_EID_TS_DELAY = 43,
3388 WLAN_EID_TCLAS_PROCESSING = 44,
3389 WLAN_EID_HT_CAPABILITY = 45,
3390 WLAN_EID_QOS_CAPA = 46,
3391 /* 47 reserved for Broadcom */
3392 WLAN_EID_RSN = 48,
3393 WLAN_EID_802_15_COEX = 49,
3394 WLAN_EID_EXT_SUPP_RATES = 50,
3395 WLAN_EID_AP_CHAN_REPORT = 51,
3396 WLAN_EID_NEIGHBOR_REPORT = 52,
3397 WLAN_EID_RCPI = 53,
3398 WLAN_EID_MOBILITY_DOMAIN = 54,
3399 WLAN_EID_FAST_BSS_TRANSITION = 55,
3400 WLAN_EID_TIMEOUT_INTERVAL = 56,
3401 WLAN_EID_RIC_DATA = 57,
3402 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3403 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3404 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3405 WLAN_EID_HT_OPERATION = 61,
3406 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3407 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3408 WLAN_EID_ANTENNA_INFO = 64,
3409 WLAN_EID_RSNI = 65,
3410 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3411 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3412 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3413 WLAN_EID_TIME_ADVERTISEMENT = 69,
3414 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3415 WLAN_EID_MULTIPLE_BSSID = 71,
3416 WLAN_EID_BSS_COEX_2040 = 72,
3417 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3418 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3419 WLAN_EID_RIC_DESCRIPTOR = 75,
3420 WLAN_EID_MMIE = 76,
3421 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3422 WLAN_EID_EVENT_REQUEST = 78,
3423 WLAN_EID_EVENT_REPORT = 79,
3424 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3425 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3426 WLAN_EID_LOCATION_PARAMS = 82,
3427 WLAN_EID_NON_TX_BSSID_CAP = 83,
3428 WLAN_EID_SSID_LIST = 84,
3429 WLAN_EID_MULTI_BSSID_IDX = 85,
3430 WLAN_EID_FMS_DESCRIPTOR = 86,
3431 WLAN_EID_FMS_REQUEST = 87,
3432 WLAN_EID_FMS_RESPONSE = 88,
3433 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3434 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3435 WLAN_EID_TSF_REQUEST = 91,
3436 WLAN_EID_TSF_RESPOSNE = 92,
3437 WLAN_EID_WNM_SLEEP_MODE = 93,
3438 WLAN_EID_TIM_BCAST_REQ = 94,
3439 WLAN_EID_TIM_BCAST_RESP = 95,
3440 WLAN_EID_COLL_IF_REPORT = 96,
3441 WLAN_EID_CHANNEL_USAGE = 97,
3442 WLAN_EID_TIME_ZONE = 98,
3443 WLAN_EID_DMS_REQUEST = 99,
3444 WLAN_EID_DMS_RESPONSE = 100,
3445 WLAN_EID_LINK_ID = 101,
3446 WLAN_EID_WAKEUP_SCHEDUL = 102,
3447 /* 103 reserved */
3448 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3449 WLAN_EID_PTI_CONTROL = 105,
3450 WLAN_EID_PU_BUFFER_STATUS = 106,
3451 WLAN_EID_INTERWORKING = 107,
3452 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3453 WLAN_EID_EXPEDITED_BW_REQ = 109,
3454 WLAN_EID_QOS_MAP_SET = 110,
3455 WLAN_EID_ROAMING_CONSORTIUM = 111,
3456 WLAN_EID_EMERGENCY_ALERT = 112,
3457 WLAN_EID_MESH_CONFIG = 113,
3458 WLAN_EID_MESH_ID = 114,
3459 WLAN_EID_LINK_METRIC_REPORT = 115,
3460 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3461 WLAN_EID_PEER_MGMT = 117,
3462 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3463 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3464 WLAN_EID_BEACON_TIMING = 120,
3465 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3466 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3467 WLAN_EID_MCCAOP_ADVERT = 123,
3468 WLAN_EID_MCCAOP_TEARDOWN = 124,
3469 WLAN_EID_GANN = 125,
3470 WLAN_EID_RANN = 126,
3471 WLAN_EID_EXT_CAPABILITY = 127,
3472 /* 128, 129 reserved for Agere */
3473 WLAN_EID_PREQ = 130,
3474 WLAN_EID_PREP = 131,
3475 WLAN_EID_PERR = 132,
3476 /* 133-136 reserved for Cisco */
3477 WLAN_EID_PXU = 137,
3478 WLAN_EID_PXUC = 138,
3479 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3480 WLAN_EID_MIC = 140,
3481 WLAN_EID_DESTINATION_URI = 141,
3482 WLAN_EID_UAPSD_COEX = 142,
3483 WLAN_EID_WAKEUP_SCHEDULE = 143,
3484 WLAN_EID_EXT_SCHEDULE = 144,
3485 WLAN_EID_STA_AVAILABILITY = 145,
3486 WLAN_EID_DMG_TSPEC = 146,
3487 WLAN_EID_DMG_AT = 147,
3488 WLAN_EID_DMG_CAP = 148,
3489 /* 149 reserved for Cisco */
3490 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3491 WLAN_EID_DMG_OPERATION = 151,
3492 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3493 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3494 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3495 /* 155-156 reserved for Cisco */
3496 WLAN_EID_AWAKE_WINDOW = 157,
3497 WLAN_EID_MULTI_BAND = 158,
3498 WLAN_EID_ADDBA_EXT = 159,
3499 WLAN_EID_NEXT_PCP_LIST = 160,
3500 WLAN_EID_PCP_HANDOVER = 161,
3501 WLAN_EID_DMG_LINK_MARGIN = 162,
3502 WLAN_EID_SWITCHING_STREAM = 163,
3503 WLAN_EID_SESSION_TRANSITION = 164,
3504 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3505 WLAN_EID_CLUSTER_REPORT = 166,
3506 WLAN_EID_RELAY_CAP = 167,
3507 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3508 WLAN_EID_BEAM_LINK_MAINT = 169,
3509 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3510 WLAN_EID_U_PID = 171,
3511 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3512 /* 173 reserved for Symbol */
3513 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3514 WLAN_EID_QUIET_PERIOD_REQ = 175,
3515 /* 176 reserved for Symbol */
3516 WLAN_EID_QUIET_PERIOD_RESP = 177,
3517 /* 178-179 reserved for Symbol */
3518 /* 180 reserved for ISO/IEC 20011 */
3519 WLAN_EID_EPAC_POLICY = 182,
3520 WLAN_EID_CLISTER_TIME_OFF = 183,
3521 WLAN_EID_INTER_AC_PRIO = 184,
3522 WLAN_EID_SCS_DESCRIPTOR = 185,
3523 WLAN_EID_QLOAD_REPORT = 186,
3524 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3525 WLAN_EID_HL_STREAM_ID = 188,
3526 WLAN_EID_GCR_GROUP_ADDR = 189,
3527 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3528 WLAN_EID_VHT_CAPABILITY = 191,
3529 WLAN_EID_VHT_OPERATION = 192,
3530 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3531 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3532 WLAN_EID_TX_POWER_ENVELOPE = 195,
3533 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3534 WLAN_EID_AID = 197,
3535 WLAN_EID_QUIET_CHANNEL = 198,
3536 WLAN_EID_OPMODE_NOTIF = 199,
3537
3538 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3539
3540 WLAN_EID_AID_REQUEST = 210,
3541 WLAN_EID_AID_RESPONSE = 211,
3542 WLAN_EID_S1G_BCN_COMPAT = 213,
3543 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3544 WLAN_EID_S1G_TWT = 216,
3545 WLAN_EID_S1G_CAPABILITIES = 217,
3546 WLAN_EID_VENDOR_SPECIFIC = 221,
3547 WLAN_EID_QOS_PARAMETER = 222,
3548 WLAN_EID_S1G_OPERATION = 232,
3549 WLAN_EID_CAG_NUMBER = 237,
3550 WLAN_EID_AP_CSN = 239,
3551 WLAN_EID_FILS_INDICATION = 240,
3552 WLAN_EID_DILS = 241,
3553 WLAN_EID_FRAGMENT = 242,
3554 WLAN_EID_RSNX = 244,
3555 WLAN_EID_EXTENSION = 255
3556 };
3557
3558 /* Element ID Extensions for Element ID 255 */
3559 enum ieee80211_eid_ext {
3560 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3561 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3562 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3563 WLAN_EID_EXT_FILS_SESSION = 4,
3564 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3565 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3566 WLAN_EID_EXT_KEY_DELIVERY = 7,
3567 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3568 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3569 WLAN_EID_EXT_FILS_NONCE = 13,
3570 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3571 WLAN_EID_EXT_HE_CAPABILITY = 35,
3572 WLAN_EID_EXT_HE_OPERATION = 36,
3573 WLAN_EID_EXT_UORA = 37,
3574 WLAN_EID_EXT_HE_MU_EDCA = 38,
3575 WLAN_EID_EXT_HE_SPR = 39,
3576 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3577 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3578 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3579 WLAN_EID_EXT_ESS_REPORT = 45,
3580 WLAN_EID_EXT_OPS = 46,
3581 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3582 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3583 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3584 WLAN_EID_EXT_NON_INHERITANCE = 56,
3585 WLAN_EID_EXT_KNOWN_BSSID = 57,
3586 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3587 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3588 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3589 WLAN_EID_EXT_EHT_OPERATION = 106,
3590 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3591 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3592 };
3593
3594 /* Action category code */
3595 enum ieee80211_category {
3596 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3597 WLAN_CATEGORY_QOS = 1,
3598 WLAN_CATEGORY_DLS = 2,
3599 WLAN_CATEGORY_BACK = 3,
3600 WLAN_CATEGORY_PUBLIC = 4,
3601 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3602 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3603 WLAN_CATEGORY_HT = 7,
3604 WLAN_CATEGORY_SA_QUERY = 8,
3605 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3606 WLAN_CATEGORY_WNM = 10,
3607 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3608 WLAN_CATEGORY_TDLS = 12,
3609 WLAN_CATEGORY_MESH_ACTION = 13,
3610 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3611 WLAN_CATEGORY_SELF_PROTECTED = 15,
3612 WLAN_CATEGORY_DMG = 16,
3613 WLAN_CATEGORY_WMM = 17,
3614 WLAN_CATEGORY_FST = 18,
3615 WLAN_CATEGORY_UNPROT_DMG = 20,
3616 WLAN_CATEGORY_VHT = 21,
3617 WLAN_CATEGORY_S1G = 22,
3618 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3619 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3620 };
3621
3622 /* SPECTRUM_MGMT action code */
3623 enum ieee80211_spectrum_mgmt_actioncode {
3624 WLAN_ACTION_SPCT_MSR_REQ = 0,
3625 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3626 WLAN_ACTION_SPCT_TPC_REQ = 2,
3627 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3628 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3629 };
3630
3631 /* HT action codes */
3632 enum ieee80211_ht_actioncode {
3633 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3634 WLAN_HT_ACTION_SMPS = 1,
3635 WLAN_HT_ACTION_PSMP = 2,
3636 WLAN_HT_ACTION_PCO_PHASE = 3,
3637 WLAN_HT_ACTION_CSI = 4,
3638 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3639 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3640 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3641 };
3642
3643 /* VHT action codes */
3644 enum ieee80211_vht_actioncode {
3645 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3646 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3647 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3648 };
3649
3650 /* Self Protected Action codes */
3651 enum ieee80211_self_protected_actioncode {
3652 WLAN_SP_RESERVED = 0,
3653 WLAN_SP_MESH_PEERING_OPEN = 1,
3654 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3655 WLAN_SP_MESH_PEERING_CLOSE = 3,
3656 WLAN_SP_MGK_INFORM = 4,
3657 WLAN_SP_MGK_ACK = 5,
3658 };
3659
3660 /* Mesh action codes */
3661 enum ieee80211_mesh_actioncode {
3662 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3663 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3664 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3665 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3666 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3667 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3668 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3669 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3670 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3671 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3672 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3673 };
3674
3675 /* Unprotected WNM action codes */
3676 enum ieee80211_unprotected_wnm_actioncode {
3677 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3678 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3679 };
3680
3681 /* Security key length */
3682 enum ieee80211_key_len {
3683 WLAN_KEY_LEN_WEP40 = 5,
3684 WLAN_KEY_LEN_WEP104 = 13,
3685 WLAN_KEY_LEN_CCMP = 16,
3686 WLAN_KEY_LEN_CCMP_256 = 32,
3687 WLAN_KEY_LEN_TKIP = 32,
3688 WLAN_KEY_LEN_AES_CMAC = 16,
3689 WLAN_KEY_LEN_SMS4 = 32,
3690 WLAN_KEY_LEN_GCMP = 16,
3691 WLAN_KEY_LEN_GCMP_256 = 32,
3692 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3693 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3694 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3695 };
3696
3697 enum ieee80211_s1g_actioncode {
3698 WLAN_S1G_AID_SWITCH_REQUEST,
3699 WLAN_S1G_AID_SWITCH_RESPONSE,
3700 WLAN_S1G_SYNC_CONTROL,
3701 WLAN_S1G_STA_INFO_ANNOUNCE,
3702 WLAN_S1G_EDCA_PARAM_SET,
3703 WLAN_S1G_EL_OPERATION,
3704 WLAN_S1G_TWT_SETUP,
3705 WLAN_S1G_TWT_TEARDOWN,
3706 WLAN_S1G_SECT_GROUP_ID_LIST,
3707 WLAN_S1G_SECT_ID_FEEDBACK,
3708 WLAN_S1G_TWT_INFORMATION = 11,
3709 };
3710
3711 #define IEEE80211_WEP_IV_LEN 4
3712 #define IEEE80211_WEP_ICV_LEN 4
3713 #define IEEE80211_CCMP_HDR_LEN 8
3714 #define IEEE80211_CCMP_MIC_LEN 8
3715 #define IEEE80211_CCMP_PN_LEN 6
3716 #define IEEE80211_CCMP_256_HDR_LEN 8
3717 #define IEEE80211_CCMP_256_MIC_LEN 16
3718 #define IEEE80211_CCMP_256_PN_LEN 6
3719 #define IEEE80211_TKIP_IV_LEN 8
3720 #define IEEE80211_TKIP_ICV_LEN 4
3721 #define IEEE80211_CMAC_PN_LEN 6
3722 #define IEEE80211_GMAC_PN_LEN 6
3723 #define IEEE80211_GCMP_HDR_LEN 8
3724 #define IEEE80211_GCMP_MIC_LEN 16
3725 #define IEEE80211_GCMP_PN_LEN 6
3726
3727 #define FILS_NONCE_LEN 16
3728 #define FILS_MAX_KEK_LEN 64
3729
3730 #define FILS_ERP_MAX_USERNAME_LEN 16
3731 #define FILS_ERP_MAX_REALM_LEN 253
3732 #define FILS_ERP_MAX_RRK_LEN 64
3733
3734 #define PMK_MAX_LEN 64
3735 #define SAE_PASSWORD_MAX_LEN 128
3736
3737 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3738 enum ieee80211_pub_actioncode {
3739 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3740 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3741 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3742 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3743 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3744 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3745 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3746 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3747 WLAN_PUB_ACTION_DSE_PC = 8,
3748 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3749 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3750 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3751 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3752 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3753 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3754 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3755 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3756 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3757 WLAN_PUB_ACTION_QMF_POLICY = 18,
3758 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3759 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3760 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3761 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3762 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3763 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3764 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3765 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3766 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3767 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3768 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3769 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3770 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3771 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3772 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3773 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3774 };
3775
3776 /* TDLS action codes */
3777 enum ieee80211_tdls_actioncode {
3778 WLAN_TDLS_SETUP_REQUEST = 0,
3779 WLAN_TDLS_SETUP_RESPONSE = 1,
3780 WLAN_TDLS_SETUP_CONFIRM = 2,
3781 WLAN_TDLS_TEARDOWN = 3,
3782 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3783 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3784 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3785 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3786 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3787 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3788 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3789 };
3790
3791 /* Extended Channel Switching capability to be set in the 1st byte of
3792 * the @WLAN_EID_EXT_CAPABILITY information element
3793 */
3794 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3795
3796 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3797 * @WLAN_EID_EXT_CAPABILITY information element
3798 */
3799 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3800
3801 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3802 * of the @WLAN_EID_EXT_CAPABILITY information element
3803 */
3804 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3805
3806 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3807 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3808 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3809 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3810
3811 /* Interworking capabilities are set in 7th bit of 4th byte of the
3812 * @WLAN_EID_EXT_CAPABILITY information element
3813 */
3814 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3815
3816 /*
3817 * TDLS capabililites to be enabled in the 5th byte of the
3818 * @WLAN_EID_EXT_CAPABILITY information element
3819 */
3820 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3821 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3822 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3823
3824 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3825 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3826
3827 /* Defines the maximal number of MSDUs in an A-MSDU. */
3828 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3829 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3830
3831 /*
3832 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3833 * information element
3834 */
3835 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3836
3837 /* Defines support for TWT Requester and TWT Responder */
3838 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3839 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3840
3841 /*
3842 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3843 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3844 * 26-tone RU UL OFDMA transmissions as radar pulses).
3845 */
3846 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3847
3848 /* Defines support for enhanced multi-bssid advertisement*/
3849 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3850
3851 /* TDLS specific payload type in the LLC/SNAP header */
3852 #define WLAN_TDLS_SNAP_RFTYPE 0x2
3853
3854 /* BSS Coex IE information field bits */
3855 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3856
3857 /**
3858 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3859 *
3860 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3861 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3862 * that will be specified in a vendor specific information element
3863 */
3864 enum ieee80211_mesh_sync_method {
3865 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3866 IEEE80211_SYNC_METHOD_VENDOR = 255,
3867 };
3868
3869 /**
3870 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3871 *
3872 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3873 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3874 * be specified in a vendor specific information element
3875 */
3876 enum ieee80211_mesh_path_protocol {
3877 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3878 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3879 };
3880
3881 /**
3882 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3883 *
3884 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3885 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3886 * specified in a vendor specific information element
3887 */
3888 enum ieee80211_mesh_path_metric {
3889 IEEE80211_PATH_METRIC_AIRTIME = 1,
3890 IEEE80211_PATH_METRIC_VENDOR = 255,
3891 };
3892
3893 /**
3894 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3895 *
3896 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3897 *
3898 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3899 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3900 * this value
3901 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3902 * the proactive PREQ with proactive PREP subfield set to 0
3903 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3904 * supports the proactive PREQ with proactive PREP subfield set to 1
3905 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3906 * the proactive RANN
3907 */
3908 enum ieee80211_root_mode_identifier {
3909 IEEE80211_ROOTMODE_NO_ROOT = 0,
3910 IEEE80211_ROOTMODE_ROOT = 1,
3911 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3912 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3913 IEEE80211_PROACTIVE_RANN = 4,
3914 };
3915
3916 /*
3917 * IEEE 802.11-2007 7.3.2.9 Country information element
3918 *
3919 * Minimum length is 8 octets, ie len must be evenly
3920 * divisible by 2
3921 */
3922
3923 /* Although the spec says 8 I'm seeing 6 in practice */
3924 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
3925
3926 /* The Country String field of the element shall be 3 octets in length */
3927 #define IEEE80211_COUNTRY_STRING_LEN 3
3928
3929 /*
3930 * For regulatory extension stuff see IEEE 802.11-2007
3931 * Annex I (page 1141) and Annex J (page 1147). Also
3932 * review 7.3.2.9.
3933 *
3934 * When dot11RegulatoryClassesRequired is true and the
3935 * first_channel/reg_extension_id is >= 201 then the IE
3936 * compromises of the 'ext' struct represented below:
3937 *
3938 * - Regulatory extension ID - when generating IE this just needs
3939 * to be monotonically increasing for each triplet passed in
3940 * the IE
3941 * - Regulatory class - index into set of rules
3942 * - Coverage class - index into air propagation time (Table 7-27),
3943 * in microseconds, you can compute the air propagation time from
3944 * the index by multiplying by 3, so index 10 yields a propagation
3945 * of 10 us. Valid values are 0-31, values 32-255 are not defined
3946 * yet. A value of 0 inicates air propagation of <= 1 us.
3947 *
3948 * See also Table I.2 for Emission limit sets and table
3949 * I.3 for Behavior limit sets. Table J.1 indicates how to map
3950 * a reg_class to an emission limit set and behavior limit set.
3951 */
3952 #define IEEE80211_COUNTRY_EXTENSION_ID 201
3953
3954 /*
3955 * Channels numbers in the IE must be monotonically increasing
3956 * if dot11RegulatoryClassesRequired is not true.
3957 *
3958 * If dot11RegulatoryClassesRequired is true consecutive
3959 * subband triplets following a regulatory triplet shall
3960 * have monotonically increasing first_channel number fields.
3961 *
3962 * Channel numbers shall not overlap.
3963 *
3964 * Note that max_power is signed.
3965 */
3966 struct ieee80211_country_ie_triplet {
3967 union {
3968 struct {
3969 u8 first_channel;
3970 u8 num_channels;
3971 s8 max_power;
3972 } __packed chans;
3973 struct {
3974 u8 reg_extension_id;
3975 u8 reg_class;
3976 u8 coverage_class;
3977 } __packed ext;
3978 };
3979 } __packed;
3980
3981 enum ieee80211_timeout_interval_type {
3982 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
3983 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
3984 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
3985 };
3986
3987 /**
3988 * struct ieee80211_timeout_interval_ie - Timeout Interval element
3989 * @type: type, see &enum ieee80211_timeout_interval_type
3990 * @value: timeout interval value
3991 */
3992 struct ieee80211_timeout_interval_ie {
3993 u8 type;
3994 __le32 value;
3995 } __packed;
3996
3997 /**
3998 * enum ieee80211_idle_options - BSS idle options
3999 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4000 * protected frame to the AP to reset the idle timer at the AP for
4001 * the station.
4002 */
4003 enum ieee80211_idle_options {
4004 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4005 };
4006
4007 /**
4008 * struct ieee80211_bss_max_idle_period_ie
4009 *
4010 * This structure refers to "BSS Max idle period element"
4011 *
4012 * @max_idle_period: indicates the time period during which a station can
4013 * refrain from transmitting frames to its associated AP without being
4014 * disassociated. In units of 1000 TUs.
4015 * @idle_options: indicates the options associated with the BSS idle capability
4016 * as specified in &enum ieee80211_idle_options.
4017 */
4018 struct ieee80211_bss_max_idle_period_ie {
4019 __le16 max_idle_period;
4020 u8 idle_options;
4021 } __packed;
4022
4023 /* BACK action code */
4024 enum ieee80211_back_actioncode {
4025 WLAN_ACTION_ADDBA_REQ = 0,
4026 WLAN_ACTION_ADDBA_RESP = 1,
4027 WLAN_ACTION_DELBA = 2,
4028 };
4029
4030 /* BACK (block-ack) parties */
4031 enum ieee80211_back_parties {
4032 WLAN_BACK_RECIPIENT = 0,
4033 WLAN_BACK_INITIATOR = 1,
4034 };
4035
4036 /* SA Query action */
4037 enum ieee80211_sa_query_action {
4038 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4039 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4040 };
4041
4042 /**
4043 * struct ieee80211_bssid_index
4044 *
4045 * This structure refers to "Multiple BSSID-index element"
4046 *
4047 * @bssid_index: BSSID index
4048 * @dtim_period: optional, overrides transmitted BSS dtim period
4049 * @dtim_count: optional, overrides transmitted BSS dtim count
4050 */
4051 struct ieee80211_bssid_index {
4052 u8 bssid_index;
4053 u8 dtim_period;
4054 u8 dtim_count;
4055 };
4056
4057 /**
4058 * struct ieee80211_multiple_bssid_configuration
4059 *
4060 * This structure refers to "Multiple BSSID Configuration element"
4061 *
4062 * @bssid_count: total number of active BSSIDs in the set
4063 * @profile_periodicity: the least number of beacon frames need to be received
4064 * in order to discover all the nontransmitted BSSIDs in the set.
4065 */
4066 struct ieee80211_multiple_bssid_configuration {
4067 u8 bssid_count;
4068 u8 profile_periodicity;
4069 };
4070
4071 #define SUITE(oui, id) (((oui) << 8) | (id))
4072
4073 /* cipher suite selectors */
4074 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4075 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4076 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4077 /* reserved: SUITE(0x000FAC, 3) */
4078 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4079 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4080 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4081 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4082 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4083 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4084 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4085 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4086 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4087
4088 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4089
4090 /* AKM suite selectors */
4091 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4092 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4093 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4094 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4095 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4096 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4097 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4098 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4099 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4100 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4101 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4102 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4103 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4104 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4105 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4106 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4107 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4108 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4109 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4110 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4111
4112 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4113
4114 #define WLAN_MAX_KEY_LEN 32
4115
4116 #define WLAN_PMK_NAME_LEN 16
4117 #define WLAN_PMKID_LEN 16
4118 #define WLAN_PMK_LEN_EAP_LEAP 16
4119 #define WLAN_PMK_LEN 32
4120 #define WLAN_PMK_LEN_SUITE_B_192 48
4121
4122 #define WLAN_OUI_WFA 0x506f9a
4123 #define WLAN_OUI_TYPE_WFA_P2P 9
4124 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4125 #define WLAN_OUI_MICROSOFT 0x0050f2
4126 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4127 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4128 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4129 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4130
4131 /*
4132 * WMM/802.11e Tspec Element
4133 */
4134 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4135 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4136
4137 enum ieee80211_tspec_status_code {
4138 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4139 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4140 };
4141
4142 struct ieee80211_tspec_ie {
4143 u8 element_id;
4144 u8 len;
4145 u8 oui[3];
4146 u8 oui_type;
4147 u8 oui_subtype;
4148 u8 version;
4149 __le16 tsinfo;
4150 u8 tsinfo_resvd;
4151 __le16 nominal_msdu;
4152 __le16 max_msdu;
4153 __le32 min_service_int;
4154 __le32 max_service_int;
4155 __le32 inactivity_int;
4156 __le32 suspension_int;
4157 __le32 service_start_time;
4158 __le32 min_data_rate;
4159 __le32 mean_data_rate;
4160 __le32 peak_data_rate;
4161 __le32 max_burst_size;
4162 __le32 delay_bound;
4163 __le32 min_phy_rate;
4164 __le16 sba;
4165 __le16 medium_time;
4166 } __packed;
4167
4168 struct ieee80211_he_6ghz_capa {
4169 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4170 __le16 capa;
4171 } __packed;
4172
4173 /* HE 6 GHz band capabilities */
4174 /* uses enum ieee80211_min_mpdu_spacing values */
4175 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4176 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4177 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4178 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4179 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4180 /* WLAN_HT_CAP_SM_PS_* values */
4181 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4182 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4183 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4184 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4185
4186 /**
4187 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4188 * @hdr: the frame
4189 *
4190 * The qos ctrl bytes come after the frame_control, duration, seq_num
4191 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4192 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4193 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4194 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4195 {
4196 union {
4197 struct ieee80211_qos_hdr addr3;
4198 struct ieee80211_qos_hdr_4addr addr4;
4199 } *qos;
4200
4201 qos = (void *)hdr;
4202 if (ieee80211_has_a4(qos->addr3.frame_control))
4203 return (u8 *)&qos->addr4.qos_ctrl;
4204 else
4205 return (u8 *)&qos->addr3.qos_ctrl;
4206 }
4207
4208 /**
4209 * ieee80211_get_tid - get qos TID
4210 * @hdr: the frame
4211 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4212 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4213 {
4214 u8 *qc = ieee80211_get_qos_ctl(hdr);
4215
4216 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4217 }
4218
4219 /**
4220 * ieee80211_get_SA - get pointer to SA
4221 * @hdr: the frame
4222 *
4223 * Given an 802.11 frame, this function returns the offset
4224 * to the source address (SA). It does not verify that the
4225 * header is long enough to contain the address, and the
4226 * header must be long enough to contain the frame control
4227 * field.
4228 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4229 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4230 {
4231 if (ieee80211_has_a4(hdr->frame_control))
4232 return hdr->addr4;
4233 if (ieee80211_has_fromds(hdr->frame_control))
4234 return hdr->addr3;
4235 return hdr->addr2;
4236 }
4237
4238 /**
4239 * ieee80211_get_DA - get pointer to DA
4240 * @hdr: the frame
4241 *
4242 * Given an 802.11 frame, this function returns the offset
4243 * to the destination address (DA). It does not verify that
4244 * the header is long enough to contain the address, and the
4245 * header must be long enough to contain the frame control
4246 * field.
4247 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4248 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4249 {
4250 if (ieee80211_has_tods(hdr->frame_control))
4251 return hdr->addr3;
4252 else
4253 return hdr->addr1;
4254 }
4255
4256 /**
4257 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4258 * @skb: the skb to check, starting with the 802.11 header
4259 */
ieee80211_is_bufferable_mmpdu(struct sk_buff * skb)4260 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4261 {
4262 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4263 __le16 fc = mgmt->frame_control;
4264
4265 /*
4266 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4267 * note that this ignores the IBSS special case.
4268 */
4269 if (!ieee80211_is_mgmt(fc))
4270 return false;
4271
4272 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4273 return true;
4274
4275 if (!ieee80211_is_action(fc))
4276 return false;
4277
4278 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4279 return true;
4280
4281 /* action frame - additionally check for non-bufferable FTM */
4282
4283 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4284 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4285 return true;
4286
4287 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4288 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4289 return false;
4290
4291 return true;
4292 }
4293
4294 /**
4295 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4296 * @hdr: the frame (buffer must include at least the first octet of payload)
4297 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4298 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4299 {
4300 if (ieee80211_is_disassoc(hdr->frame_control) ||
4301 ieee80211_is_deauth(hdr->frame_control))
4302 return true;
4303
4304 if (ieee80211_is_action(hdr->frame_control)) {
4305 u8 *category;
4306
4307 /*
4308 * Action frames, excluding Public Action frames, are Robust
4309 * Management Frames. However, if we are looking at a Protected
4310 * frame, skip the check since the data may be encrypted and
4311 * the frame has already been found to be a Robust Management
4312 * Frame (by the other end).
4313 */
4314 if (ieee80211_has_protected(hdr->frame_control))
4315 return true;
4316 category = ((u8 *) hdr) + 24;
4317 return *category != WLAN_CATEGORY_PUBLIC &&
4318 *category != WLAN_CATEGORY_HT &&
4319 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4320 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4321 *category != WLAN_CATEGORY_UNPROT_DMG &&
4322 *category != WLAN_CATEGORY_VHT &&
4323 *category != WLAN_CATEGORY_S1G &&
4324 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4325 }
4326
4327 return false;
4328 }
4329
4330 /**
4331 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4332 * @skb: the skb containing the frame, length will be checked
4333 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4334 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4335 {
4336 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4337 return false;
4338 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4339 }
4340
4341 /**
4342 * ieee80211_is_public_action - check if frame is a public action frame
4343 * @hdr: the frame
4344 * @len: length of the frame
4345 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4346 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4347 size_t len)
4348 {
4349 struct ieee80211_mgmt *mgmt = (void *)hdr;
4350
4351 if (len < IEEE80211_MIN_ACTION_SIZE)
4352 return false;
4353 if (!ieee80211_is_action(hdr->frame_control))
4354 return false;
4355 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4356 }
4357
4358 /**
4359 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4360 * protected dual of public action management frame
4361 * @skb: the skb containing the frame, length will be checked
4362 *
4363 * Return: true if the skb contains a protected dual of public action
4364 * management frame, false otherwise.
4365 */
4366 static inline bool
ieee80211_is_protected_dual_of_public_action(struct sk_buff * skb)4367 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4368 {
4369 u8 action;
4370
4371 if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4372 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4373 return false;
4374
4375 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4376
4377 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4378 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4379 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4380 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4381 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4382 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4383 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4384 action != WLAN_PUB_ACTION_FILS_DISCOVERY;
4385 }
4386
4387 /**
4388 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4389 * privacy action frame
4390 * @hdr: the frame
4391 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4392 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4393 {
4394 struct ieee80211_mgmt *mgmt = (void *)hdr;
4395
4396 if (!ieee80211_is_action(hdr->frame_control) ||
4397 !is_multicast_ether_addr(hdr->addr1))
4398 return false;
4399
4400 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4401 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4402 }
4403
4404 /**
4405 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4406 * privacy action frame
4407 * @skb: the skb containing the frame, length will be checked
4408 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4409 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4410 {
4411 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4412 return false;
4413 return _ieee80211_is_group_privacy_action((void *)skb->data);
4414 }
4415
4416 /**
4417 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4418 * @tu: the TUs
4419 */
ieee80211_tu_to_usec(unsigned long tu)4420 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4421 {
4422 return 1024 * tu;
4423 }
4424
4425 /**
4426 * ieee80211_check_tim - check if AID bit is set in TIM
4427 * @tim: the TIM IE
4428 * @tim_len: length of the TIM IE
4429 * @aid: the AID to look for
4430 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4431 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4432 u8 tim_len, u16 aid)
4433 {
4434 u8 mask;
4435 u8 index, indexn1, indexn2;
4436
4437 if (unlikely(!tim || tim_len < sizeof(*tim)))
4438 return false;
4439
4440 aid &= 0x3fff;
4441 index = aid / 8;
4442 mask = 1 << (aid & 7);
4443
4444 indexn1 = tim->bitmap_ctrl & 0xfe;
4445 indexn2 = tim_len + indexn1 - 4;
4446
4447 if (index < indexn1 || index > indexn2)
4448 return false;
4449
4450 index -= indexn1;
4451
4452 return !!(tim->virtual_map[index] & mask);
4453 }
4454
4455 /**
4456 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4457 * @skb: the skb containing the frame, length will not be checked
4458 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
4459 *
4460 * This function assumes the frame is a data frame, and that the network header
4461 * is in the correct place.
4462 */
ieee80211_get_tdls_action(struct sk_buff * skb,u32 hdr_size)4463 static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
4464 {
4465 if (!skb_is_nonlinear(skb) &&
4466 skb->len > (skb_network_offset(skb) + 2)) {
4467 /* Point to where the indication of TDLS should start */
4468 const u8 *tdls_data = skb_network_header(skb) - 2;
4469
4470 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4471 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4472 tdls_data[3] == WLAN_CATEGORY_TDLS)
4473 return tdls_data[4];
4474 }
4475
4476 return -1;
4477 }
4478
4479 /* convert time units */
4480 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4481 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4482
4483 /* convert frequencies */
4484 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4485 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4486 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4487 #define KHZ_F "%d.%03d"
4488
4489 /* convert powers */
4490 #define DBI_TO_MBI(gain) ((gain) * 100)
4491 #define MBI_TO_DBI(gain) ((gain) / 100)
4492 #define DBM_TO_MBM(gain) ((gain) * 100)
4493 #define MBM_TO_DBM(gain) ((gain) / 100)
4494
4495 /**
4496 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4497 * @skb: the skb containing the frame, length will be checked
4498 *
4499 * This function checks if it's either TPC report action frame or Link
4500 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4501 * and 8.5.7.5 accordingly.
4502 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4503 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4504 {
4505 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4506
4507 if (!ieee80211_is_action(mgmt->frame_control))
4508 return false;
4509
4510 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4511 sizeof(mgmt->u.action.u.tpc_report))
4512 return false;
4513
4514 /*
4515 * TPC report - check that:
4516 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4517 * spectrum management action = 3 (TPC/Link Measurement report)
4518 * TPC report EID = 35
4519 * TPC report element length = 2
4520 *
4521 * The spectrum management's tpc_report struct is used here both for
4522 * parsing tpc_report and radio measurement's link measurement report
4523 * frame, since the relevant part is identical in both frames.
4524 */
4525 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4526 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4527 return false;
4528
4529 /* both spectrum mgmt and link measurement have same action code */
4530 if (mgmt->u.action.u.tpc_report.action_code !=
4531 WLAN_ACTION_SPCT_TPC_RPRT)
4532 return false;
4533
4534 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4535 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4536 sizeof(struct ieee80211_tpc_report_ie))
4537 return false;
4538
4539 return true;
4540 }
4541
ieee80211_is_timing_measurement(struct sk_buff * skb)4542 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4543 {
4544 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4545
4546 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4547 return false;
4548
4549 if (!ieee80211_is_action(mgmt->frame_control))
4550 return false;
4551
4552 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4553 mgmt->u.action.u.wnm_timing_msr.action_code ==
4554 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4555 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4556 return true;
4557
4558 return false;
4559 }
4560
ieee80211_is_ftm(struct sk_buff * skb)4561 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4562 {
4563 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4564
4565 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4566 return false;
4567
4568 if (mgmt->u.action.u.ftm.action_code ==
4569 WLAN_PUB_ACTION_FTM_RESPONSE &&
4570 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4571 return true;
4572
4573 return false;
4574 }
4575
4576 struct element {
4577 u8 id;
4578 u8 datalen;
4579 u8 data[];
4580 } __packed;
4581
4582 /* element iteration helpers */
4583 #define for_each_element(_elem, _data, _datalen) \
4584 for (_elem = (const struct element *)(_data); \
4585 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4586 (int)sizeof(*_elem) && \
4587 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4588 (int)sizeof(*_elem) + _elem->datalen; \
4589 _elem = (const struct element *)(_elem->data + _elem->datalen))
4590
4591 #define for_each_element_id(element, _id, data, datalen) \
4592 for_each_element(element, data, datalen) \
4593 if (element->id == (_id))
4594
4595 #define for_each_element_extid(element, extid, _data, _datalen) \
4596 for_each_element(element, _data, _datalen) \
4597 if (element->id == WLAN_EID_EXTENSION && \
4598 element->datalen > 0 && \
4599 element->data[0] == (extid))
4600
4601 #define for_each_subelement(sub, element) \
4602 for_each_element(sub, (element)->data, (element)->datalen)
4603
4604 #define for_each_subelement_id(sub, id, element) \
4605 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4606
4607 #define for_each_subelement_extid(sub, extid, element) \
4608 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4609
4610 /**
4611 * for_each_element_completed - determine if element parsing consumed all data
4612 * @element: element pointer after for_each_element() or friends
4613 * @data: same data pointer as passed to for_each_element() or friends
4614 * @datalen: same data length as passed to for_each_element() or friends
4615 *
4616 * This function returns %true if all the data was parsed or considered
4617 * while walking the elements. Only use this if your for_each_element()
4618 * loop cannot be broken out of, otherwise it always returns %false.
4619 *
4620 * If some data was malformed, this returns %false since the last parsed
4621 * element will not fill the whole remaining data.
4622 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4623 static inline bool for_each_element_completed(const struct element *element,
4624 const void *data, size_t datalen)
4625 {
4626 return (const u8 *)element == (const u8 *)data + datalen;
4627 }
4628
4629 /*
4630 * RSNX Capabilities:
4631 * bits 0-3: Field length (n-1)
4632 */
4633 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4634 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4635
4636 /*
4637 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4638 * section 9.4.2.170 and accepted contributions.
4639 */
4640 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4641 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4642 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4643 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4644 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4645 #define IEEE80211_TBTT_INFO_TYPE_MLD 1
4646
4647 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4648 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4649 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4650 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4651 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4652 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4653 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4654
4655 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4656 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4657
4658 struct ieee80211_neighbor_ap_info {
4659 u8 tbtt_info_hdr;
4660 u8 tbtt_info_len;
4661 u8 op_class;
4662 u8 channel;
4663 } __packed;
4664
4665 enum ieee80211_range_params_max_total_ltf {
4666 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4667 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4668 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4669 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4670 };
4671
4672 /*
4673 * reduced neighbor report, based on Draft P802.11be_D3.0,
4674 * section 9.4.2.170.2.
4675 */
4676 struct ieee80211_rnr_mld_params {
4677 u8 mld_id;
4678 __le16 params;
4679 } __packed;
4680
4681 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4682 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4683 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4684 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4685
4686 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4687 struct ieee80211_tbtt_info_7_8_9 {
4688 u8 tbtt_offset;
4689 u8 bssid[ETH_ALEN];
4690
4691 /* The following element is optional, structure may not grow */
4692 u8 bss_params;
4693 s8 psd_20;
4694 } __packed;
4695
4696 /* Format of the TBTT information element if it has >= 11 bytes */
4697 struct ieee80211_tbtt_info_ge_11 {
4698 u8 tbtt_offset;
4699 u8 bssid[ETH_ALEN];
4700 __le32 short_ssid;
4701
4702 /* The following elements are optional, structure may grow */
4703 u8 bss_params;
4704 s8 psd_20;
4705 struct ieee80211_rnr_mld_params mld_params;
4706 } __packed;
4707
4708 /* multi-link device */
4709 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4710
4711 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4712 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4713 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4714 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4715 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4716 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4717 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4718
4719 struct ieee80211_multi_link_elem {
4720 __le16 control;
4721 u8 variable[];
4722 } __packed;
4723
4724 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4725 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4726 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4727 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4728 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4729 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4730
4731 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4732 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4733 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4734
4735 /*
4736 * Described in P802.11be_D3.0
4737 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4738 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4739 * dot11MSDTXOPMAX defaults to 1
4740 */
4741 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
4742
4743 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4744 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4745 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4746 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4747 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4748 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4749 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4750 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4751 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4752 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4753 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4754 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4755 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4756 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4757 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4758 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4759 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4760 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4761 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4762 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4763 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4764 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4765 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4766 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4767 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4768 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4769 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4770 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4771 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4772 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4773 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4774 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4775 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4776 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4777
4778 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4779 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4780 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4781 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4782 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4783
4784 struct ieee80211_mle_basic_common_info {
4785 u8 len;
4786 u8 mld_mac_addr[ETH_ALEN];
4787 u8 variable[];
4788 } __packed;
4789
4790 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4791
4792 struct ieee80211_mle_preq_common_info {
4793 u8 len;
4794 u8 variable[];
4795 } __packed;
4796
4797 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4798
4799 /* no fixed fields in RECONF */
4800
4801 struct ieee80211_mle_tdls_common_info {
4802 u8 len;
4803 u8 ap_mld_mac_addr[ETH_ALEN];
4804 } __packed;
4805
4806 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4807
4808 /* no fixed fields in PRIO_ACCESS */
4809
4810 /**
4811 * ieee80211_mle_common_size - check multi-link element common size
4812 * @data: multi-link element, must already be checked for size using
4813 * ieee80211_mle_size_ok()
4814 */
ieee80211_mle_common_size(const u8 * data)4815 static inline u8 ieee80211_mle_common_size(const u8 *data)
4816 {
4817 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4818 u16 control = le16_to_cpu(mle->control);
4819 u8 common = 0;
4820
4821 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4822 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4823 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4824 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4825 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4826 /*
4827 * The length is the first octet pointed by mle->variable so no
4828 * need to add anything
4829 */
4830 break;
4831 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4832 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4833 common += ETH_ALEN;
4834 return common;
4835 default:
4836 WARN_ON(1);
4837 return 0;
4838 }
4839
4840 return sizeof(*mle) + common + mle->variable[0];
4841 }
4842
4843 /**
4844 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
4845 * @mle: the basic multi link element
4846 *
4847 * The element is assumed to be of the correct type (BASIC) and big enough,
4848 * this must be checked using ieee80211_mle_type_ok().
4849 *
4850 * If the BSS parameter change count value can't be found (the presence bit
4851 * for it is clear), 0 will be returned.
4852 */
4853 static inline u8
ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem * mle)4854 ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
4855 {
4856 u16 control = le16_to_cpu(mle->control);
4857 const u8 *common = mle->variable;
4858
4859 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4860 common += sizeof(struct ieee80211_mle_basic_common_info);
4861
4862 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
4863 return 0;
4864
4865 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4866 common += 1;
4867
4868 return *common;
4869 }
4870
4871 /**
4872 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
4873 * @data: pointer to the multi link EHT IE
4874 *
4875 * The element is assumed to be of the correct type (BASIC) and big enough,
4876 * this must be checked using ieee80211_mle_type_ok().
4877 *
4878 * If the medium synchronization is not present, then the default value is
4879 * returned.
4880 */
ieee80211_mle_get_eml_med_sync_delay(const u8 * data)4881 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
4882 {
4883 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4884 u16 control = le16_to_cpu(mle->control);
4885 const u8 *common = mle->variable;
4886
4887 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4888 common += sizeof(struct ieee80211_mle_basic_common_info);
4889
4890 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
4891 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
4892
4893 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4894 common += 1;
4895 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4896 common += 1;
4897
4898 return get_unaligned_le16(common);
4899 }
4900
4901 /**
4902 * ieee80211_mle_get_eml_cap - returns the EML capability
4903 * @data: pointer to the multi link EHT IE
4904 *
4905 * The element is assumed to be of the correct type (BASIC) and big enough,
4906 * this must be checked using ieee80211_mle_type_ok().
4907 *
4908 * If the EML capability is not present, 0 will be returned.
4909 */
ieee80211_mle_get_eml_cap(const u8 * data)4910 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
4911 {
4912 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4913 u16 control = le16_to_cpu(mle->control);
4914 const u8 *common = mle->variable;
4915
4916 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4917 common += sizeof(struct ieee80211_mle_basic_common_info);
4918
4919 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
4920 return 0;
4921
4922 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4923 common += 1;
4924 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4925 common += 1;
4926 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4927 common += 2;
4928
4929 return get_unaligned_le16(common);
4930 }
4931
4932 /**
4933 * ieee80211_mle_size_ok - validate multi-link element size
4934 * @data: pointer to the element data
4935 * @len: length of the containing element
4936 */
ieee80211_mle_size_ok(const u8 * data,size_t len)4937 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
4938 {
4939 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4940 u8 fixed = sizeof(*mle);
4941 u8 common = 0;
4942 bool check_common_len = false;
4943 u16 control;
4944
4945 if (len < fixed)
4946 return false;
4947
4948 control = le16_to_cpu(mle->control);
4949
4950 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
4951 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4952 common += sizeof(struct ieee80211_mle_basic_common_info);
4953 check_common_len = true;
4954 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4955 common += 1;
4956 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4957 common += 1;
4958 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4959 common += 2;
4960 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
4961 common += 2;
4962 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
4963 common += 2;
4964 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
4965 common += 1;
4966 break;
4967 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4968 common += sizeof(struct ieee80211_mle_preq_common_info);
4969 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
4970 common += 1;
4971 check_common_len = true;
4972 break;
4973 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4974 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
4975 common += ETH_ALEN;
4976 break;
4977 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4978 common += sizeof(struct ieee80211_mle_tdls_common_info);
4979 check_common_len = true;
4980 break;
4981 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4982 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4983 common += ETH_ALEN;
4984 break;
4985 default:
4986 /* we don't know this type */
4987 return true;
4988 }
4989
4990 if (len < fixed + common)
4991 return false;
4992
4993 if (!check_common_len)
4994 return true;
4995
4996 /* if present, common length is the first octet there */
4997 return mle->variable[0] >= common;
4998 }
4999
5000 /**
5001 * ieee80211_mle_type_ok - validate multi-link element type and size
5002 * @data: pointer to the element data
5003 * @type: expected type of the element
5004 * @len: length of the containing element
5005 */
ieee80211_mle_type_ok(const u8 * data,u8 type,size_t len)5006 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5007 {
5008 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5009 u16 control;
5010
5011 if (!ieee80211_mle_size_ok(data, len))
5012 return false;
5013
5014 control = le16_to_cpu(mle->control);
5015
5016 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5017 return true;
5018
5019 return false;
5020 }
5021
5022 enum ieee80211_mle_subelems {
5023 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5024 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5025 };
5026
5027 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5028 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5029 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5030 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5031 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5032 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5033 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5034 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5035 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5036
5037 struct ieee80211_mle_per_sta_profile {
5038 __le16 control;
5039 u8 sta_info_len;
5040 u8 variable[];
5041 } __packed;
5042
5043 /**
5044 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5045 * profile size
5046 * @data: pointer to the sub element data
5047 * @len: length of the containing sub element
5048 */
ieee80211_mle_basic_sta_prof_size_ok(const u8 * data,size_t len)5049 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5050 size_t len)
5051 {
5052 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5053 u16 control;
5054 u8 fixed = sizeof(*prof);
5055 u8 info_len = 1;
5056
5057 if (len < fixed)
5058 return false;
5059
5060 control = le16_to_cpu(prof->control);
5061
5062 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5063 info_len += 6;
5064 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5065 info_len += 2;
5066 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5067 info_len += 8;
5068 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5069 info_len += 2;
5070 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5071 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5072 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5073 info_len += 2;
5074 else
5075 info_len += 1;
5076 }
5077 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5078 info_len += 1;
5079
5080 return prof->sta_info_len >= info_len &&
5081 fixed + prof->sta_info_len <= len;
5082 }
5083
5084 /**
5085 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5086 * parameter change count
5087 * @prof: the per-STA profile, having been checked with
5088 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5089 *
5090 * Return: The BSS parameter change count value if present, 0 otherwise.
5091 */
5092 static inline u8
ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile * prof)5093 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5094 {
5095 u16 control = le16_to_cpu(prof->control);
5096 const u8 *pos = prof->variable;
5097
5098 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5099 return 0;
5100
5101 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5102 pos += 6;
5103 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5104 pos += 2;
5105 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5106 pos += 8;
5107 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5108 pos += 2;
5109 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5110 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5111 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5112 pos += 2;
5113 else
5114 pos += 1;
5115 }
5116
5117 return *pos;
5118 }
5119
5120 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5121 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5122 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5123 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5124 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
5125 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5126
5127 /**
5128 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5129 * element sta profile size.
5130 * @data: pointer to the sub element data
5131 * @len: length of the containing sub element
5132 */
ieee80211_mle_reconf_sta_prof_size_ok(const u8 * data,size_t len)5133 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5134 size_t len)
5135 {
5136 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5137 u16 control;
5138 u8 fixed = sizeof(*prof);
5139 u8 info_len = 1;
5140
5141 if (len < fixed)
5142 return false;
5143
5144 control = le16_to_cpu(prof->control);
5145
5146 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5147 info_len += ETH_ALEN;
5148 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5149 info_len += 2;
5150 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5151 info_len += 2;
5152
5153 return prof->sta_info_len >= info_len &&
5154 fixed + prof->sta_info_len - 1 <= len;
5155 }
5156
5157 #define for_each_mle_subelement(_elem, _data, _len) \
5158 if (ieee80211_mle_size_ok(_data, _len)) \
5159 for_each_element(_elem, \
5160 _data + ieee80211_mle_common_size(_data),\
5161 _len - ieee80211_mle_common_size(_data))
5162
5163 #endif /* LINUX_IEEE80211_H */
5164
