1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2024 Intel Corporation
13 */
14
15 #ifndef LINUX_IEEE80211_H
16 #define LINUX_IEEE80211_H
17
18 #include <linux/types.h>
19 #include <linux/if_ether.h>
20 #include <linux/etherdevice.h>
21 #include <linux/bitfield.h>
22 #include <asm/byteorder.h>
23 #include <asm/unaligned.h>
24
25 /*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41 #define FCS_LEN 4
42
43 #define IEEE80211_FCTL_VERS 0x0003
44 #define IEEE80211_FCTL_FTYPE 0x000c
45 #define IEEE80211_FCTL_STYPE 0x00f0
46 #define IEEE80211_FCTL_TODS 0x0100
47 #define IEEE80211_FCTL_FROMDS 0x0200
48 #define IEEE80211_FCTL_MOREFRAGS 0x0400
49 #define IEEE80211_FCTL_RETRY 0x0800
50 #define IEEE80211_FCTL_PM 0x1000
51 #define IEEE80211_FCTL_MOREDATA 0x2000
52 #define IEEE80211_FCTL_PROTECTED 0x4000
53 #define IEEE80211_FCTL_ORDER 0x8000
54 #define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56 #define IEEE80211_SCTL_FRAG 0x000F
57 #define IEEE80211_SCTL_SEQ 0xFFF0
58
59 #define IEEE80211_FTYPE_MGMT 0x0000
60 #define IEEE80211_FTYPE_CTL 0x0004
61 #define IEEE80211_FTYPE_DATA 0x0008
62 #define IEEE80211_FTYPE_EXT 0x000c
63
64 /* management */
65 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
66 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
67 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
68 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
69 #define IEEE80211_STYPE_PROBE_REQ 0x0040
70 #define IEEE80211_STYPE_PROBE_RESP 0x0050
71 #define IEEE80211_STYPE_BEACON 0x0080
72 #define IEEE80211_STYPE_ATIM 0x0090
73 #define IEEE80211_STYPE_DISASSOC 0x00A0
74 #define IEEE80211_STYPE_AUTH 0x00B0
75 #define IEEE80211_STYPE_DEAUTH 0x00C0
76 #define IEEE80211_STYPE_ACTION 0x00D0
77
78 /* control */
79 #define IEEE80211_STYPE_TRIGGER 0x0020
80 #define IEEE80211_STYPE_CTL_EXT 0x0060
81 #define IEEE80211_STYPE_BACK_REQ 0x0080
82 #define IEEE80211_STYPE_BACK 0x0090
83 #define IEEE80211_STYPE_PSPOLL 0x00A0
84 #define IEEE80211_STYPE_RTS 0x00B0
85 #define IEEE80211_STYPE_CTS 0x00C0
86 #define IEEE80211_STYPE_ACK 0x00D0
87 #define IEEE80211_STYPE_CFEND 0x00E0
88 #define IEEE80211_STYPE_CFENDACK 0x00F0
89
90 /* data */
91 #define IEEE80211_STYPE_DATA 0x0000
92 #define IEEE80211_STYPE_DATA_CFACK 0x0010
93 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
94 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
95 #define IEEE80211_STYPE_NULLFUNC 0x0040
96 #define IEEE80211_STYPE_CFACK 0x0050
97 #define IEEE80211_STYPE_CFPOLL 0x0060
98 #define IEEE80211_STYPE_CFACKPOLL 0x0070
99 #define IEEE80211_STYPE_QOS_DATA 0x0080
100 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
101 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
102 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
103 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
104 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
105 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
106 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
107
108 /* extension, added by 802.11ad */
109 #define IEEE80211_STYPE_DMG_BEACON 0x0000
110 #define IEEE80211_STYPE_S1G_BEACON 0x0010
111
112 /* bits unique to S1G beacon */
113 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
114
115 /* see 802.11ah-2016 9.9 NDP CMAC frames */
116 #define IEEE80211_S1G_1MHZ_NDP_BITS 25
117 #define IEEE80211_S1G_1MHZ_NDP_BYTES 4
118 #define IEEE80211_S1G_2MHZ_NDP_BITS 37
119 #define IEEE80211_S1G_2MHZ_NDP_BYTES 5
120
121 #define IEEE80211_NDP_FTYPE_CTS 0
122 #define IEEE80211_NDP_FTYPE_CF_END 0
123 #define IEEE80211_NDP_FTYPE_PS_POLL 1
124 #define IEEE80211_NDP_FTYPE_ACK 2
125 #define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
126 #define IEEE80211_NDP_FTYPE_BA 4
127 #define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
128 #define IEEE80211_NDP_FTYPE_PAGING 6
129 #define IEEE80211_NDP_FTYPE_PREQ 7
130
131 #define SM64(f, v) ((((u64)v) << f##_S) & f)
132
133 /* NDP CMAC frame fields */
134 #define IEEE80211_NDP_FTYPE 0x0000000000000007
135 #define IEEE80211_NDP_FTYPE_S 0x0000000000000000
136
137 /* 1M Probe Request 11ah 9.9.3.1.1 */
138 #define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
139 #define IEEE80211_NDP_1M_PREQ_ANO_S 3
140 #define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
141 #define IEEE80211_NDP_1M_PREQ_CSSID_S 4
142 #define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
143 #define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
144 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
145 #define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
146 /* 2M Probe Request 11ah 9.9.3.1.2 */
147 #define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
148 #define IEEE80211_NDP_2M_PREQ_ANO_S 3
149 #define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
150 #define IEEE80211_NDP_2M_PREQ_CSSID_S 4
151 #define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
152 #define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
153
154 #define IEEE80211_ANO_NETTYPE_WILD 15
155
156 /* bits unique to S1G beacon */
157 #define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
158
159 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
160 #define IEEE80211_CTL_EXT_POLL 0x2000
161 #define IEEE80211_CTL_EXT_SPR 0x3000
162 #define IEEE80211_CTL_EXT_GRANT 0x4000
163 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
164 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
165 #define IEEE80211_CTL_EXT_SSW 0x8000
166 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
167 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
168
169
170 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
171 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
172 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
173
174
175 /* PV1 Layout IEEE 802.11-2020 9.8.3.1 */
176 #define IEEE80211_PV1_FCTL_VERS 0x0003
177 #define IEEE80211_PV1_FCTL_FTYPE 0x001c
178 #define IEEE80211_PV1_FCTL_STYPE 0x00e0
179 #define IEEE80211_PV1_FCTL_FROMDS 0x0100
180 #define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181 #define IEEE80211_PV1_FCTL_PM 0x0400
182 #define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183 #define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184 #define IEEE80211_PV1_FCTL_END_SP 0x2000
185 #define IEEE80211_PV1_FCTL_RELAYED 0x4000
186 #define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187 #define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
ieee80211_sn_less(u16 sn1,u16 sn2)189 static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190 {
191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192 }
193
ieee80211_sn_less_eq(u16 sn1,u16 sn2)194 static inline bool ieee80211_sn_less_eq(u16 sn1, u16 sn2)
195 {
196 return ((sn2 - sn1) & IEEE80211_SN_MASK) <= (IEEE80211_SN_MODULO >> 1);
197 }
198
ieee80211_sn_add(u16 sn1,u16 sn2)199 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
200 {
201 return (sn1 + sn2) & IEEE80211_SN_MASK;
202 }
203
ieee80211_sn_inc(u16 sn)204 static inline u16 ieee80211_sn_inc(u16 sn)
205 {
206 return ieee80211_sn_add(sn, 1);
207 }
208
ieee80211_sn_sub(u16 sn1,u16 sn2)209 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
210 {
211 return (sn1 - sn2) & IEEE80211_SN_MASK;
212 }
213
214 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
215 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
216
217 /* miscellaneous IEEE 802.11 constants */
218 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
219 #define IEEE80211_MAX_RTS_THRESHOLD 2353
220 #define IEEE80211_MAX_AID 2007
221 #define IEEE80211_MAX_AID_S1G 8191
222 #define IEEE80211_MAX_TIM_LEN 251
223 #define IEEE80211_MAX_MESH_PEERINGS 63
224 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
225 6.2.1.1.2.
226
227 802.11e clarifies the figure in section 7.1.2. The frame body is
228 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
229 #define IEEE80211_MAX_DATA_LEN 2304
230 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
231 * to 7920 bytes, see 8.2.3 General frame format
232 */
233 #define IEEE80211_MAX_DATA_LEN_DMG 7920
234 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
235 #define IEEE80211_MAX_FRAME_LEN 2352
236
237 /* Maximal size of an A-MSDU that can be transported in a HT BA session */
238 #define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
239
240 /* Maximal size of an A-MSDU */
241 #define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
242 #define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
243
244 #define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
245 #define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
246 #define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
247
248 #define IEEE80211_MAX_SSID_LEN 32
249
250 #define IEEE80211_MAX_MESH_ID_LEN 32
251
252 #define IEEE80211_FIRST_TSPEC_TSID 8
253 #define IEEE80211_NUM_TIDS 16
254
255 /* number of user priorities 802.11 uses */
256 #define IEEE80211_NUM_UPS 8
257 /* number of ACs */
258 #define IEEE80211_NUM_ACS 4
259
260 #define IEEE80211_QOS_CTL_LEN 2
261 /* 1d tag mask */
262 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
263 /* TID mask */
264 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
265 /* EOSP */
266 #define IEEE80211_QOS_CTL_EOSP 0x0010
267 /* ACK policy */
268 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
269 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
270 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
271 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
272 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
273 /* A-MSDU 802.11n */
274 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
275 /* Mesh Control 802.11s */
276 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
277
278 /* Mesh Power Save Level */
279 #define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
280 /* Mesh Receiver Service Period Initiated */
281 #define IEEE80211_QOS_CTL_RSPI 0x0400
282
283 /* U-APSD queue for WMM IEs sent by AP */
284 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
285 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
286
287 /* U-APSD queues for WMM IEs sent by STA */
288 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
289 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
290 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
291 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
292 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
293
294 /* U-APSD max SP length for WMM IEs sent by STA */
295 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
296 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
297 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
298 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
299 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
300 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
301
302 #define IEEE80211_HT_CTL_LEN 4
303
304 /* trigger type within common_info of trigger frame */
305 #define IEEE80211_TRIGGER_TYPE_MASK 0xf
306 #define IEEE80211_TRIGGER_TYPE_BASIC 0x0
307 #define IEEE80211_TRIGGER_TYPE_BFRP 0x1
308 #define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
309 #define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
310 #define IEEE80211_TRIGGER_TYPE_BSRP 0x4
311 #define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
312 #define IEEE80211_TRIGGER_TYPE_BQRP 0x6
313 #define IEEE80211_TRIGGER_TYPE_NFRP 0x7
314
315 /* UL-bandwidth within common_info of trigger frame */
316 #define IEEE80211_TRIGGER_ULBW_MASK 0xc0000
317 #define IEEE80211_TRIGGER_ULBW_20MHZ 0x0
318 #define IEEE80211_TRIGGER_ULBW_40MHZ 0x1
319 #define IEEE80211_TRIGGER_ULBW_80MHZ 0x2
320 #define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3
321
322 struct ieee80211_hdr {
323 __le16 frame_control;
324 __le16 duration_id;
325 struct_group(addrs,
326 u8 addr1[ETH_ALEN];
327 u8 addr2[ETH_ALEN];
328 u8 addr3[ETH_ALEN];
329 );
330 __le16 seq_ctrl;
331 u8 addr4[ETH_ALEN];
332 } __packed __aligned(2);
333
334 struct ieee80211_hdr_3addr {
335 __le16 frame_control;
336 __le16 duration_id;
337 u8 addr1[ETH_ALEN];
338 u8 addr2[ETH_ALEN];
339 u8 addr3[ETH_ALEN];
340 __le16 seq_ctrl;
341 } __packed __aligned(2);
342
343 struct ieee80211_qos_hdr {
344 __le16 frame_control;
345 __le16 duration_id;
346 u8 addr1[ETH_ALEN];
347 u8 addr2[ETH_ALEN];
348 u8 addr3[ETH_ALEN];
349 __le16 seq_ctrl;
350 __le16 qos_ctrl;
351 } __packed __aligned(2);
352
353 struct ieee80211_qos_hdr_4addr {
354 __le16 frame_control;
355 __le16 duration_id;
356 u8 addr1[ETH_ALEN];
357 u8 addr2[ETH_ALEN];
358 u8 addr3[ETH_ALEN];
359 __le16 seq_ctrl;
360 u8 addr4[ETH_ALEN];
361 __le16 qos_ctrl;
362 } __packed __aligned(2);
363
364 struct ieee80211_trigger {
365 __le16 frame_control;
366 __le16 duration;
367 u8 ra[ETH_ALEN];
368 u8 ta[ETH_ALEN];
369 __le64 common_info;
370 u8 variable[];
371 } __packed __aligned(2);
372
373 /**
374 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
375 * @fc: frame control bytes in little-endian byteorder
376 * Return: whether or not the frame has to-DS set
377 */
ieee80211_has_tods(__le16 fc)378 static inline bool ieee80211_has_tods(__le16 fc)
379 {
380 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
381 }
382
383 /**
384 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
385 * @fc: frame control bytes in little-endian byteorder
386 * Return: whether or not the frame has from-DS set
387 */
ieee80211_has_fromds(__le16 fc)388 static inline bool ieee80211_has_fromds(__le16 fc)
389 {
390 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
391 }
392
393 /**
394 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
395 * @fc: frame control bytes in little-endian byteorder
396 * Return: whether or not it's a 4-address frame (from-DS and to-DS set)
397 */
ieee80211_has_a4(__le16 fc)398 static inline bool ieee80211_has_a4(__le16 fc)
399 {
400 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
401 return (fc & tmp) == tmp;
402 }
403
404 /**
405 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
406 * @fc: frame control bytes in little-endian byteorder
407 * Return: whether or not the frame has more fragments (more frags bit set)
408 */
ieee80211_has_morefrags(__le16 fc)409 static inline bool ieee80211_has_morefrags(__le16 fc)
410 {
411 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
412 }
413
414 /**
415 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
416 * @fc: frame control bytes in little-endian byteorder
417 * Return: whether or not the retry flag is set
418 */
ieee80211_has_retry(__le16 fc)419 static inline bool ieee80211_has_retry(__le16 fc)
420 {
421 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
422 }
423
424 /**
425 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
426 * @fc: frame control bytes in little-endian byteorder
427 * Return: whether or not the power management flag is set
428 */
ieee80211_has_pm(__le16 fc)429 static inline bool ieee80211_has_pm(__le16 fc)
430 {
431 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
432 }
433
434 /**
435 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
436 * @fc: frame control bytes in little-endian byteorder
437 * Return: whether or not the more data flag is set
438 */
ieee80211_has_moredata(__le16 fc)439 static inline bool ieee80211_has_moredata(__le16 fc)
440 {
441 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
442 }
443
444 /**
445 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
446 * @fc: frame control bytes in little-endian byteorder
447 * Return: whether or not the protected flag is set
448 */
ieee80211_has_protected(__le16 fc)449 static inline bool ieee80211_has_protected(__le16 fc)
450 {
451 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
452 }
453
454 /**
455 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
456 * @fc: frame control bytes in little-endian byteorder
457 * Return: whether or not the order flag is set
458 */
ieee80211_has_order(__le16 fc)459 static inline bool ieee80211_has_order(__le16 fc)
460 {
461 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
462 }
463
464 /**
465 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
466 * @fc: frame control bytes in little-endian byteorder
467 * Return: whether or not the frame type is management
468 */
ieee80211_is_mgmt(__le16 fc)469 static inline bool ieee80211_is_mgmt(__le16 fc)
470 {
471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
472 cpu_to_le16(IEEE80211_FTYPE_MGMT);
473 }
474
475 /**
476 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
477 * @fc: frame control bytes in little-endian byteorder
478 * Return: whether or not the frame type is control
479 */
ieee80211_is_ctl(__le16 fc)480 static inline bool ieee80211_is_ctl(__le16 fc)
481 {
482 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
483 cpu_to_le16(IEEE80211_FTYPE_CTL);
484 }
485
486 /**
487 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
488 * @fc: frame control bytes in little-endian byteorder
489 * Return: whether or not the frame is a data frame
490 */
ieee80211_is_data(__le16 fc)491 static inline bool ieee80211_is_data(__le16 fc)
492 {
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_DATA);
495 }
496
497 /**
498 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
499 * @fc: frame control bytes in little-endian byteorder
500 * Return: whether or not the frame type is extended
501 */
ieee80211_is_ext(__le16 fc)502 static inline bool ieee80211_is_ext(__le16 fc)
503 {
504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
505 cpu_to_le16(IEEE80211_FTYPE_EXT);
506 }
507
508
509 /**
510 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
511 * @fc: frame control bytes in little-endian byteorder
512 * Return: whether or not the frame is a QoS data frame
513 */
ieee80211_is_data_qos(__le16 fc)514 static inline bool ieee80211_is_data_qos(__le16 fc)
515 {
516 /*
517 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
518 * to check the one bit
519 */
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
521 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
522 }
523
524 /**
525 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
526 * @fc: frame control bytes in little-endian byteorder
527 * Return: whether or not the frame is a QoS data frame that has data
528 * (i.e. is not null data)
529 */
ieee80211_is_data_present(__le16 fc)530 static inline bool ieee80211_is_data_present(__le16 fc)
531 {
532 /*
533 * mask with 0x40 and test that that bit is clear to only return true
534 * for the data-containing substypes.
535 */
536 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
537 cpu_to_le16(IEEE80211_FTYPE_DATA);
538 }
539
540 /**
541 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
542 * @fc: frame control bytes in little-endian byteorder
543 * Return: whether or not the frame is an association request
544 */
ieee80211_is_assoc_req(__le16 fc)545 static inline bool ieee80211_is_assoc_req(__le16 fc)
546 {
547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
549 }
550
551 /**
552 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
553 * @fc: frame control bytes in little-endian byteorder
554 * Return: whether or not the frame is an association response
555 */
ieee80211_is_assoc_resp(__le16 fc)556 static inline bool ieee80211_is_assoc_resp(__le16 fc)
557 {
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
560 }
561
562 /**
563 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
564 * @fc: frame control bytes in little-endian byteorder
565 * Return: whether or not the frame is a reassociation request
566 */
ieee80211_is_reassoc_req(__le16 fc)567 static inline bool ieee80211_is_reassoc_req(__le16 fc)
568 {
569 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
570 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
571 }
572
573 /**
574 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
575 * @fc: frame control bytes in little-endian byteorder
576 * Return: whether or not the frame is a reassociation response
577 */
ieee80211_is_reassoc_resp(__le16 fc)578 static inline bool ieee80211_is_reassoc_resp(__le16 fc)
579 {
580 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
581 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
582 }
583
584 /**
585 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
586 * @fc: frame control bytes in little-endian byteorder
587 * Return: whether or not the frame is a probe request
588 */
ieee80211_is_probe_req(__le16 fc)589 static inline bool ieee80211_is_probe_req(__le16 fc)
590 {
591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
592 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
593 }
594
595 /**
596 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
597 * @fc: frame control bytes in little-endian byteorder
598 * Return: whether or not the frame is a probe response
599 */
ieee80211_is_probe_resp(__le16 fc)600 static inline bool ieee80211_is_probe_resp(__le16 fc)
601 {
602 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
603 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
604 }
605
606 /**
607 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
608 * @fc: frame control bytes in little-endian byteorder
609 * Return: whether or not the frame is a (regular, not S1G) beacon
610 */
ieee80211_is_beacon(__le16 fc)611 static inline bool ieee80211_is_beacon(__le16 fc)
612 {
613 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
614 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
615 }
616
617 /**
618 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
619 * IEEE80211_STYPE_S1G_BEACON
620 * @fc: frame control bytes in little-endian byteorder
621 * Return: whether or not the frame is an S1G beacon
622 */
ieee80211_is_s1g_beacon(__le16 fc)623 static inline bool ieee80211_is_s1g_beacon(__le16 fc)
624 {
625 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
626 IEEE80211_FCTL_STYPE)) ==
627 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
628 }
629
630 /**
631 * ieee80211_is_s1g_short_beacon - check if frame is an S1G short beacon
632 * @fc: frame control bytes in little-endian byteorder
633 * Return: whether or not the frame is an S1G short beacon,
634 * i.e. it is an S1G beacon with 'next TBTT' flag set
635 */
ieee80211_is_s1g_short_beacon(__le16 fc)636 static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
637 {
638 return ieee80211_is_s1g_beacon(fc) &&
639 (fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT));
640 }
641
642 /**
643 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
644 * @fc: frame control bytes in little-endian byteorder
645 * Return: whether or not the frame is an ATIM frame
646 */
ieee80211_is_atim(__le16 fc)647 static inline bool ieee80211_is_atim(__le16 fc)
648 {
649 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
650 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
651 }
652
653 /**
654 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
655 * @fc: frame control bytes in little-endian byteorder
656 * Return: whether or not the frame is a disassociation frame
657 */
ieee80211_is_disassoc(__le16 fc)658 static inline bool ieee80211_is_disassoc(__le16 fc)
659 {
660 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
661 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
662 }
663
664 /**
665 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
666 * @fc: frame control bytes in little-endian byteorder
667 * Return: whether or not the frame is an authentication frame
668 */
ieee80211_is_auth(__le16 fc)669 static inline bool ieee80211_is_auth(__le16 fc)
670 {
671 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
672 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
673 }
674
675 /**
676 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
677 * @fc: frame control bytes in little-endian byteorder
678 * Return: whether or not the frame is a deauthentication frame
679 */
ieee80211_is_deauth(__le16 fc)680 static inline bool ieee80211_is_deauth(__le16 fc)
681 {
682 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
683 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
684 }
685
686 /**
687 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
688 * @fc: frame control bytes in little-endian byteorder
689 * Return: whether or not the frame is an action frame
690 */
ieee80211_is_action(__le16 fc)691 static inline bool ieee80211_is_action(__le16 fc)
692 {
693 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
694 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
695 }
696
697 /**
698 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
699 * @fc: frame control bytes in little-endian byteorder
700 * Return: whether or not the frame is a block-ACK request frame
701 */
ieee80211_is_back_req(__le16 fc)702 static inline bool ieee80211_is_back_req(__le16 fc)
703 {
704 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
705 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
706 }
707
708 /**
709 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
710 * @fc: frame control bytes in little-endian byteorder
711 * Return: whether or not the frame is a block-ACK frame
712 */
ieee80211_is_back(__le16 fc)713 static inline bool ieee80211_is_back(__le16 fc)
714 {
715 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
716 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
717 }
718
719 /**
720 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
721 * @fc: frame control bytes in little-endian byteorder
722 * Return: whether or not the frame is a PS-poll frame
723 */
ieee80211_is_pspoll(__le16 fc)724 static inline bool ieee80211_is_pspoll(__le16 fc)
725 {
726 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
727 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
728 }
729
730 /**
731 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
732 * @fc: frame control bytes in little-endian byteorder
733 * Return: whether or not the frame is an RTS frame
734 */
ieee80211_is_rts(__le16 fc)735 static inline bool ieee80211_is_rts(__le16 fc)
736 {
737 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
738 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
739 }
740
741 /**
742 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
743 * @fc: frame control bytes in little-endian byteorder
744 * Return: whether or not the frame is a CTS frame
745 */
ieee80211_is_cts(__le16 fc)746 static inline bool ieee80211_is_cts(__le16 fc)
747 {
748 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
749 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
750 }
751
752 /**
753 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
754 * @fc: frame control bytes in little-endian byteorder
755 * Return: whether or not the frame is an ACK frame
756 */
ieee80211_is_ack(__le16 fc)757 static inline bool ieee80211_is_ack(__le16 fc)
758 {
759 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
760 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
761 }
762
763 /**
764 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
765 * @fc: frame control bytes in little-endian byteorder
766 * Return: whether or not the frame is a CF-end frame
767 */
ieee80211_is_cfend(__le16 fc)768 static inline bool ieee80211_is_cfend(__le16 fc)
769 {
770 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
771 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
772 }
773
774 /**
775 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
776 * @fc: frame control bytes in little-endian byteorder
777 * Return: whether or not the frame is a CF-end-ack frame
778 */
ieee80211_is_cfendack(__le16 fc)779 static inline bool ieee80211_is_cfendack(__le16 fc)
780 {
781 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
782 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
783 }
784
785 /**
786 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
787 * @fc: frame control bytes in little-endian byteorder
788 * Return: whether or not the frame is a nullfunc frame
789 */
ieee80211_is_nullfunc(__le16 fc)790 static inline bool ieee80211_is_nullfunc(__le16 fc)
791 {
792 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
793 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
794 }
795
796 /**
797 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
798 * @fc: frame control bytes in little-endian byteorder
799 * Return: whether or not the frame is a QoS nullfunc frame
800 */
ieee80211_is_qos_nullfunc(__le16 fc)801 static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
802 {
803 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
804 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
805 }
806
807 /**
808 * ieee80211_is_trigger - check if frame is trigger frame
809 * @fc: frame control field in little-endian byteorder
810 * Return: whether or not the frame is a trigger frame
811 */
ieee80211_is_trigger(__le16 fc)812 static inline bool ieee80211_is_trigger(__le16 fc)
813 {
814 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
815 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
816 }
817
818 /**
819 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
820 * @fc: frame control bytes in little-endian byteorder
821 * Return: whether or not the frame is a nullfunc or QoS nullfunc frame
822 */
ieee80211_is_any_nullfunc(__le16 fc)823 static inline bool ieee80211_is_any_nullfunc(__le16 fc)
824 {
825 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
826 }
827
828 /**
829 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
830 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
831 * Return: whether or not the frame is the first fragment (also true if
832 * it's not fragmented at all)
833 */
ieee80211_is_first_frag(__le16 seq_ctrl)834 static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
835 {
836 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
837 }
838
839 /**
840 * ieee80211_is_frag - check if a frame is a fragment
841 * @hdr: 802.11 header of the frame
842 * Return: whether or not the frame is a fragment
843 */
ieee80211_is_frag(struct ieee80211_hdr * hdr)844 static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
845 {
846 return ieee80211_has_morefrags(hdr->frame_control) ||
847 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
848 }
849
ieee80211_get_sn(struct ieee80211_hdr * hdr)850 static inline u16 ieee80211_get_sn(struct ieee80211_hdr *hdr)
851 {
852 return le16_get_bits(hdr->seq_ctrl, IEEE80211_SCTL_SEQ);
853 }
854
855 struct ieee80211s_hdr {
856 u8 flags;
857 u8 ttl;
858 __le32 seqnum;
859 u8 eaddr1[ETH_ALEN];
860 u8 eaddr2[ETH_ALEN];
861 } __packed __aligned(2);
862
863 /* Mesh flags */
864 #define MESH_FLAGS_AE_A4 0x1
865 #define MESH_FLAGS_AE_A5_A6 0x2
866 #define MESH_FLAGS_AE 0x3
867 #define MESH_FLAGS_PS_DEEP 0x4
868
869 /**
870 * enum ieee80211_preq_flags - mesh PREQ element flags
871 *
872 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
873 */
874 enum ieee80211_preq_flags {
875 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
876 };
877
878 /**
879 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
880 *
881 * @IEEE80211_PREQ_TO_FLAG: target only subfield
882 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
883 */
884 enum ieee80211_preq_target_flags {
885 IEEE80211_PREQ_TO_FLAG = 1<<0,
886 IEEE80211_PREQ_USN_FLAG = 1<<2,
887 };
888
889 /**
890 * struct ieee80211_quiet_ie - Quiet element
891 * @count: Quiet Count
892 * @period: Quiet Period
893 * @duration: Quiet Duration
894 * @offset: Quiet Offset
895 *
896 * This structure represents the payload of the "Quiet element" as
897 * described in IEEE Std 802.11-2020 section 9.4.2.22.
898 */
899 struct ieee80211_quiet_ie {
900 u8 count;
901 u8 period;
902 __le16 duration;
903 __le16 offset;
904 } __packed;
905
906 /**
907 * struct ieee80211_msrment_ie - Measurement element
908 * @token: Measurement Token
909 * @mode: Measurement Report Mode
910 * @type: Measurement Type
911 * @request: Measurement Request or Measurement Report
912 *
913 * This structure represents the payload of both the "Measurement
914 * Request element" and the "Measurement Report element" as described
915 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
916 */
917 struct ieee80211_msrment_ie {
918 u8 token;
919 u8 mode;
920 u8 type;
921 u8 request[];
922 } __packed;
923
924 /**
925 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
926 * @mode: Channel Switch Mode
927 * @new_ch_num: New Channel Number
928 * @count: Channel Switch Count
929 *
930 * This structure represents the payload of the "Channel Switch
931 * Announcement element" as described in IEEE Std 802.11-2020 section
932 * 9.4.2.18.
933 */
934 struct ieee80211_channel_sw_ie {
935 u8 mode;
936 u8 new_ch_num;
937 u8 count;
938 } __packed;
939
940 /**
941 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
942 * @mode: Channel Switch Mode
943 * @new_operating_class: New Operating Class
944 * @new_ch_num: New Channel Number
945 * @count: Channel Switch Count
946 *
947 * This structure represents the "Extended Channel Switch Announcement
948 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
949 */
950 struct ieee80211_ext_chansw_ie {
951 u8 mode;
952 u8 new_operating_class;
953 u8 new_ch_num;
954 u8 count;
955 } __packed;
956
957 /**
958 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
959 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
960 * values here
961 * This structure represents the "Secondary Channel Offset element"
962 */
963 struct ieee80211_sec_chan_offs_ie {
964 u8 sec_chan_offs;
965 } __packed;
966
967 /**
968 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
969 * @mesh_ttl: Time To Live
970 * @mesh_flags: Flags
971 * @mesh_reason: Reason Code
972 * @mesh_pre_value: Precedence Value
973 *
974 * This structure represents the payload of the "Mesh Channel Switch
975 * Parameters element" as described in IEEE Std 802.11-2020 section
976 * 9.4.2.102.
977 */
978 struct ieee80211_mesh_chansw_params_ie {
979 u8 mesh_ttl;
980 u8 mesh_flags;
981 __le16 mesh_reason;
982 __le16 mesh_pre_value;
983 } __packed;
984
985 /**
986 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
987 * @new_channel_width: New Channel Width
988 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
989 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
990 *
991 * This structure represents the payload of the "Wide Bandwidth
992 * Channel Switch element" as described in IEEE Std 802.11-2020
993 * section 9.4.2.160.
994 */
995 struct ieee80211_wide_bw_chansw_ie {
996 u8 new_channel_width;
997 u8 new_center_freq_seg0, new_center_freq_seg1;
998 } __packed;
999
1000 /**
1001 * struct ieee80211_tim_ie - Traffic Indication Map information element
1002 * @dtim_count: DTIM Count
1003 * @dtim_period: DTIM Period
1004 * @bitmap_ctrl: Bitmap Control
1005 * @required_octet: "Syntatic sugar" to force the struct size to the
1006 * minimum valid size when carried in a non-S1G PPDU
1007 * @virtual_map: Partial Virtual Bitmap
1008 *
1009 * This structure represents the payload of the "TIM element" as
1010 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
1011 * definition is only applicable when the element is carried in a
1012 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
1013 * Control and Partial Virtual Bitmap may not be present.
1014 */
1015 struct ieee80211_tim_ie {
1016 u8 dtim_count;
1017 u8 dtim_period;
1018 u8 bitmap_ctrl;
1019 union {
1020 u8 required_octet;
1021 DECLARE_FLEX_ARRAY(u8, virtual_map);
1022 };
1023 } __packed;
1024
1025 /**
1026 * struct ieee80211_meshconf_ie - Mesh Configuration element
1027 * @meshconf_psel: Active Path Selection Protocol Identifier
1028 * @meshconf_pmetric: Active Path Selection Metric Identifier
1029 * @meshconf_congest: Congestion Control Mode Identifier
1030 * @meshconf_synch: Synchronization Method Identifier
1031 * @meshconf_auth: Authentication Protocol Identifier
1032 * @meshconf_form: Mesh Formation Info
1033 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
1034 *
1035 * This structure represents the payload of the "Mesh Configuration
1036 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
1037 */
1038 struct ieee80211_meshconf_ie {
1039 u8 meshconf_psel;
1040 u8 meshconf_pmetric;
1041 u8 meshconf_congest;
1042 u8 meshconf_synch;
1043 u8 meshconf_auth;
1044 u8 meshconf_form;
1045 u8 meshconf_cap;
1046 } __packed;
1047
1048 /**
1049 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
1050 *
1051 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
1052 * additional mesh peerings with other mesh STAs
1053 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
1054 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
1055 * is ongoing
1056 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
1057 * neighbors in deep sleep mode
1058 *
1059 * Enumerates the "Mesh Capability" as described in IEEE Std
1060 * 802.11-2020 section 9.4.2.97.7.
1061 */
1062 enum mesh_config_capab_flags {
1063 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
1064 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
1065 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
1066 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
1067 };
1068
1069 #define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1070
1071 /*
1072 * mesh channel switch parameters element's flag indicator
1073 *
1074 */
1075 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1076 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1077 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1078
1079 /**
1080 * struct ieee80211_rann_ie - RANN (root announcement) element
1081 * @rann_flags: Flags
1082 * @rann_hopcount: Hop Count
1083 * @rann_ttl: Element TTL
1084 * @rann_addr: Root Mesh STA Address
1085 * @rann_seq: HWMP Sequence Number
1086 * @rann_interval: Interval
1087 * @rann_metric: Metric
1088 *
1089 * This structure represents the payload of the "RANN element" as
1090 * described in IEEE Std 802.11-2020 section 9.4.2.111.
1091 */
1092 struct ieee80211_rann_ie {
1093 u8 rann_flags;
1094 u8 rann_hopcount;
1095 u8 rann_ttl;
1096 u8 rann_addr[ETH_ALEN];
1097 __le32 rann_seq;
1098 __le32 rann_interval;
1099 __le32 rann_metric;
1100 } __packed;
1101
1102 enum ieee80211_rann_flags {
1103 RANN_FLAG_IS_GATE = 1 << 0,
1104 };
1105
1106 enum ieee80211_ht_chanwidth_values {
1107 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1108 IEEE80211_HT_CHANWIDTH_ANY = 1,
1109 };
1110
1111 /**
1112 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1113 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1114 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1115 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1116 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1117 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1118 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1119 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1120 * (the NSS value is the value of this field + 1)
1121 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1122 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1123 * using a beamforming steering matrix
1124 */
1125 enum ieee80211_vht_opmode_bits {
1126 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1127 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1128 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1129 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1130 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1131 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1132 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1133 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1134 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1135 };
1136
1137 /**
1138 * enum ieee80211_s1g_chanwidth - S1G channel widths
1139 * These are defined in IEEE802.11-2016ah Table 10-20
1140 * as BSS Channel Width
1141 *
1142 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1143 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1144 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1145 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1146 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1147 */
1148 enum ieee80211_s1g_chanwidth {
1149 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1150 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1151 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1152 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1153 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1154 };
1155
1156 #define WLAN_SA_QUERY_TR_ID_LEN 2
1157 #define WLAN_MEMBERSHIP_LEN 8
1158 #define WLAN_USER_POSITION_LEN 16
1159
1160 /**
1161 * struct ieee80211_tpc_report_ie - TPC Report element
1162 * @tx_power: Transmit Power
1163 * @link_margin: Link Margin
1164 *
1165 * This structure represents the payload of the "TPC Report element" as
1166 * described in IEEE Std 802.11-2020 section 9.4.2.16.
1167 */
1168 struct ieee80211_tpc_report_ie {
1169 u8 tx_power;
1170 u8 link_margin;
1171 } __packed;
1172
1173 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1174 #define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1175 #define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1176 #define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1177 #define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1178
1179 struct ieee80211_addba_ext_ie {
1180 u8 data;
1181 } __packed;
1182
1183 /**
1184 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1185 * @compat_info: Compatibility Information
1186 * @beacon_int: Beacon Interval
1187 * @tsf_completion: TSF Completion
1188 *
1189 * This structure represents the payload of the "S1G Beacon
1190 * Compatibility element" as described in IEEE Std 802.11-2020 section
1191 * 9.4.2.196.
1192 */
1193 struct ieee80211_s1g_bcn_compat_ie {
1194 __le16 compat_info;
1195 __le16 beacon_int;
1196 __le32 tsf_completion;
1197 } __packed;
1198
1199 /**
1200 * struct ieee80211_s1g_oper_ie - S1G Operation element
1201 * @ch_width: S1G Operation Information Channel Width
1202 * @oper_class: S1G Operation Information Operating Class
1203 * @primary_ch: S1G Operation Information Primary Channel Number
1204 * @oper_ch: S1G Operation Information Channel Center Frequency
1205 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1206 *
1207 * This structure represents the payload of the "S1G Operation
1208 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1209 */
1210 struct ieee80211_s1g_oper_ie {
1211 u8 ch_width;
1212 u8 oper_class;
1213 u8 primary_ch;
1214 u8 oper_ch;
1215 __le16 basic_mcs_nss;
1216 } __packed;
1217
1218 /**
1219 * struct ieee80211_aid_response_ie - AID Response element
1220 * @aid: AID/Group AID
1221 * @switch_count: AID Switch Count
1222 * @response_int: AID Response Interval
1223 *
1224 * This structure represents the payload of the "AID Response element"
1225 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1226 */
1227 struct ieee80211_aid_response_ie {
1228 __le16 aid;
1229 u8 switch_count;
1230 __le16 response_int;
1231 } __packed;
1232
1233 struct ieee80211_s1g_cap {
1234 u8 capab_info[10];
1235 u8 supp_mcs_nss[5];
1236 } __packed;
1237
1238 struct ieee80211_ext {
1239 __le16 frame_control;
1240 __le16 duration;
1241 union {
1242 struct {
1243 u8 sa[ETH_ALEN];
1244 __le32 timestamp;
1245 u8 change_seq;
1246 u8 variable[0];
1247 } __packed s1g_beacon;
1248 struct {
1249 u8 sa[ETH_ALEN];
1250 __le32 timestamp;
1251 u8 change_seq;
1252 u8 next_tbtt[3];
1253 u8 variable[0];
1254 } __packed s1g_short_beacon;
1255 } u;
1256 } __packed __aligned(2);
1257
1258 #define IEEE80211_TWT_CONTROL_NDP BIT(0)
1259 #define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1260 #define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1261 #define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1262 #define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1263
1264 #define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1265 #define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1266 #define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1267 #define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1268 #define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1269 #define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1270 #define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1271 #define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1272
1273 enum ieee80211_twt_setup_cmd {
1274 TWT_SETUP_CMD_REQUEST,
1275 TWT_SETUP_CMD_SUGGEST,
1276 TWT_SETUP_CMD_DEMAND,
1277 TWT_SETUP_CMD_GROUPING,
1278 TWT_SETUP_CMD_ACCEPT,
1279 TWT_SETUP_CMD_ALTERNATE,
1280 TWT_SETUP_CMD_DICTATE,
1281 TWT_SETUP_CMD_REJECT,
1282 };
1283
1284 struct ieee80211_twt_params {
1285 __le16 req_type;
1286 __le64 twt;
1287 u8 min_twt_dur;
1288 __le16 mantissa;
1289 u8 channel;
1290 } __packed;
1291
1292 struct ieee80211_twt_setup {
1293 u8 dialog_token;
1294 u8 element_id;
1295 u8 length;
1296 u8 control;
1297 u8 params[];
1298 } __packed;
1299
1300 #define IEEE80211_TTLM_MAX_CNT 2
1301 #define IEEE80211_TTLM_CONTROL_DIRECTION 0x03
1302 #define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04
1303 #define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08
1304 #define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10
1305 #define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20
1306
1307 #define IEEE80211_TTLM_DIRECTION_DOWN 0
1308 #define IEEE80211_TTLM_DIRECTION_UP 1
1309 #define IEEE80211_TTLM_DIRECTION_BOTH 2
1310
1311 /**
1312 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
1313 *
1314 * Defined in section 9.4.2.314 in P802.11be_D4
1315 *
1316 * @control: the first part of control field
1317 * @optional: the second part of control field
1318 */
1319 struct ieee80211_ttlm_elem {
1320 u8 control;
1321 u8 optional[];
1322 } __packed;
1323
1324 /**
1325 * struct ieee80211_bss_load_elem - BSS Load elemen
1326 *
1327 * Defined in section 9.4.2.26 in IEEE 802.11-REVme D4.1
1328 *
1329 * @sta_count: total number of STAs currently associated with the AP.
1330 * @channel_util: Percentage of time that the access point sensed the channel
1331 * was busy. This value is in range [0, 255], the highest value means
1332 * 100% busy.
1333 * @avail_admission_capa: remaining amount of medium time used for admission
1334 * control.
1335 */
1336 struct ieee80211_bss_load_elem {
1337 __le16 sta_count;
1338 u8 channel_util;
1339 __le16 avail_admission_capa;
1340 } __packed;
1341
1342 struct ieee80211_mgmt {
1343 __le16 frame_control;
1344 __le16 duration;
1345 u8 da[ETH_ALEN];
1346 u8 sa[ETH_ALEN];
1347 u8 bssid[ETH_ALEN];
1348 __le16 seq_ctrl;
1349 union {
1350 struct {
1351 __le16 auth_alg;
1352 __le16 auth_transaction;
1353 __le16 status_code;
1354 /* possibly followed by Challenge text */
1355 u8 variable[];
1356 } __packed auth;
1357 struct {
1358 __le16 reason_code;
1359 } __packed deauth;
1360 struct {
1361 __le16 capab_info;
1362 __le16 listen_interval;
1363 /* followed by SSID and Supported rates */
1364 u8 variable[];
1365 } __packed assoc_req;
1366 struct {
1367 __le16 capab_info;
1368 __le16 status_code;
1369 __le16 aid;
1370 /* followed by Supported rates */
1371 u8 variable[];
1372 } __packed assoc_resp, reassoc_resp;
1373 struct {
1374 __le16 capab_info;
1375 __le16 status_code;
1376 u8 variable[];
1377 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1378 struct {
1379 __le16 capab_info;
1380 __le16 listen_interval;
1381 u8 current_ap[ETH_ALEN];
1382 /* followed by SSID and Supported rates */
1383 u8 variable[];
1384 } __packed reassoc_req;
1385 struct {
1386 __le16 reason_code;
1387 } __packed disassoc;
1388 struct {
1389 __le64 timestamp;
1390 __le16 beacon_int;
1391 __le16 capab_info;
1392 /* followed by some of SSID, Supported rates,
1393 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1394 u8 variable[];
1395 } __packed beacon;
1396 struct {
1397 /* only variable items: SSID, Supported rates */
1398 DECLARE_FLEX_ARRAY(u8, variable);
1399 } __packed probe_req;
1400 struct {
1401 __le64 timestamp;
1402 __le16 beacon_int;
1403 __le16 capab_info;
1404 /* followed by some of SSID, Supported rates,
1405 * FH Params, DS Params, CF Params, IBSS Params */
1406 u8 variable[];
1407 } __packed probe_resp;
1408 struct {
1409 u8 category;
1410 union {
1411 struct {
1412 u8 action_code;
1413 u8 dialog_token;
1414 u8 status_code;
1415 u8 variable[];
1416 } __packed wme_action;
1417 struct{
1418 u8 action_code;
1419 u8 variable[];
1420 } __packed chan_switch;
1421 struct{
1422 u8 action_code;
1423 struct ieee80211_ext_chansw_ie data;
1424 u8 variable[];
1425 } __packed ext_chan_switch;
1426 struct{
1427 u8 action_code;
1428 u8 dialog_token;
1429 u8 element_id;
1430 u8 length;
1431 struct ieee80211_msrment_ie msr_elem;
1432 } __packed measurement;
1433 struct{
1434 u8 action_code;
1435 u8 dialog_token;
1436 __le16 capab;
1437 __le16 timeout;
1438 __le16 start_seq_num;
1439 /* followed by BA Extension */
1440 u8 variable[];
1441 } __packed addba_req;
1442 struct{
1443 u8 action_code;
1444 u8 dialog_token;
1445 __le16 status;
1446 __le16 capab;
1447 __le16 timeout;
1448 } __packed addba_resp;
1449 struct{
1450 u8 action_code;
1451 __le16 params;
1452 __le16 reason_code;
1453 } __packed delba;
1454 struct {
1455 u8 action_code;
1456 u8 variable[];
1457 } __packed self_prot;
1458 struct{
1459 u8 action_code;
1460 u8 variable[];
1461 } __packed mesh_action;
1462 struct {
1463 u8 action;
1464 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1465 } __packed sa_query;
1466 struct {
1467 u8 action;
1468 u8 smps_control;
1469 } __packed ht_smps;
1470 struct {
1471 u8 action_code;
1472 u8 chanwidth;
1473 } __packed ht_notify_cw;
1474 struct {
1475 u8 action_code;
1476 u8 dialog_token;
1477 __le16 capability;
1478 u8 variable[0];
1479 } __packed tdls_discover_resp;
1480 struct {
1481 u8 action_code;
1482 u8 operating_mode;
1483 } __packed vht_opmode_notif;
1484 struct {
1485 u8 action_code;
1486 u8 membership[WLAN_MEMBERSHIP_LEN];
1487 u8 position[WLAN_USER_POSITION_LEN];
1488 } __packed vht_group_notif;
1489 struct {
1490 u8 action_code;
1491 u8 dialog_token;
1492 u8 tpc_elem_id;
1493 u8 tpc_elem_length;
1494 struct ieee80211_tpc_report_ie tpc;
1495 } __packed tpc_report;
1496 struct {
1497 u8 action_code;
1498 u8 dialog_token;
1499 u8 follow_up;
1500 u8 tod[6];
1501 u8 toa[6];
1502 __le16 tod_error;
1503 __le16 toa_error;
1504 u8 variable[];
1505 } __packed ftm;
1506 struct {
1507 u8 action_code;
1508 u8 variable[];
1509 } __packed s1g;
1510 struct {
1511 u8 action_code;
1512 u8 dialog_token;
1513 u8 follow_up;
1514 u32 tod;
1515 u32 toa;
1516 u8 max_tod_error;
1517 u8 max_toa_error;
1518 } __packed wnm_timing_msr;
1519 struct {
1520 u8 action_code;
1521 u8 dialog_token;
1522 u8 variable[];
1523 } __packed ttlm_req;
1524 struct {
1525 u8 action_code;
1526 u8 dialog_token;
1527 u8 status_code;
1528 u8 variable[];
1529 } __packed ttlm_res;
1530 struct {
1531 u8 action_code;
1532 } __packed ttlm_tear_down;
1533 } u;
1534 } __packed action;
1535 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1536 } u;
1537 } __packed __aligned(2);
1538
1539 /* Supported rates membership selectors */
1540 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1541 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1542 #define BSS_MEMBERSHIP_SELECTOR_GLK 125
1543 #define BSS_MEMBERSHIP_SELECTOR_EPS 124
1544 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1545 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1546 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1547
1548 /* mgmt header + 1 byte category code */
1549 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1550
1551
1552 /* Management MIC information element (IEEE 802.11w) */
1553 struct ieee80211_mmie {
1554 u8 element_id;
1555 u8 length;
1556 __le16 key_id;
1557 u8 sequence_number[6];
1558 u8 mic[8];
1559 } __packed;
1560
1561 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1562 struct ieee80211_mmie_16 {
1563 u8 element_id;
1564 u8 length;
1565 __le16 key_id;
1566 u8 sequence_number[6];
1567 u8 mic[16];
1568 } __packed;
1569
1570 struct ieee80211_vendor_ie {
1571 u8 element_id;
1572 u8 len;
1573 u8 oui[3];
1574 u8 oui_type;
1575 } __packed;
1576
1577 struct ieee80211_wmm_ac_param {
1578 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1579 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1580 __le16 txop_limit;
1581 } __packed;
1582
1583 struct ieee80211_wmm_param_ie {
1584 u8 element_id; /* Element ID: 221 (0xdd); */
1585 u8 len; /* Length: 24 */
1586 /* required fields for WMM version 1 */
1587 u8 oui[3]; /* 00:50:f2 */
1588 u8 oui_type; /* 2 */
1589 u8 oui_subtype; /* 1 */
1590 u8 version; /* 1 for WMM version 1.0 */
1591 u8 qos_info; /* AP/STA specific QoS info */
1592 u8 reserved; /* 0 */
1593 /* AC_BE, AC_BK, AC_VI, AC_VO */
1594 struct ieee80211_wmm_ac_param ac[4];
1595 } __packed;
1596
1597 /* Control frames */
1598 struct ieee80211_rts {
1599 __le16 frame_control;
1600 __le16 duration;
1601 u8 ra[ETH_ALEN];
1602 u8 ta[ETH_ALEN];
1603 } __packed __aligned(2);
1604
1605 struct ieee80211_cts {
1606 __le16 frame_control;
1607 __le16 duration;
1608 u8 ra[ETH_ALEN];
1609 } __packed __aligned(2);
1610
1611 struct ieee80211_pspoll {
1612 __le16 frame_control;
1613 __le16 aid;
1614 u8 bssid[ETH_ALEN];
1615 u8 ta[ETH_ALEN];
1616 } __packed __aligned(2);
1617
1618 /* TDLS */
1619
1620 /* Channel switch timing */
1621 struct ieee80211_ch_switch_timing {
1622 __le16 switch_time;
1623 __le16 switch_timeout;
1624 } __packed;
1625
1626 /* Link-id information element */
1627 struct ieee80211_tdls_lnkie {
1628 u8 ie_type; /* Link Identifier IE */
1629 u8 ie_len;
1630 u8 bssid[ETH_ALEN];
1631 u8 init_sta[ETH_ALEN];
1632 u8 resp_sta[ETH_ALEN];
1633 } __packed;
1634
1635 struct ieee80211_tdls_data {
1636 u8 da[ETH_ALEN];
1637 u8 sa[ETH_ALEN];
1638 __be16 ether_type;
1639 u8 payload_type;
1640 u8 category;
1641 u8 action_code;
1642 union {
1643 struct {
1644 u8 dialog_token;
1645 __le16 capability;
1646 u8 variable[0];
1647 } __packed setup_req;
1648 struct {
1649 __le16 status_code;
1650 u8 dialog_token;
1651 __le16 capability;
1652 u8 variable[0];
1653 } __packed setup_resp;
1654 struct {
1655 __le16 status_code;
1656 u8 dialog_token;
1657 u8 variable[0];
1658 } __packed setup_cfm;
1659 struct {
1660 __le16 reason_code;
1661 u8 variable[0];
1662 } __packed teardown;
1663 struct {
1664 u8 dialog_token;
1665 u8 variable[0];
1666 } __packed discover_req;
1667 struct {
1668 u8 target_channel;
1669 u8 oper_class;
1670 u8 variable[0];
1671 } __packed chan_switch_req;
1672 struct {
1673 __le16 status_code;
1674 u8 variable[0];
1675 } __packed chan_switch_resp;
1676 } u;
1677 } __packed;
1678
1679 /*
1680 * Peer-to-Peer IE attribute related definitions.
1681 */
1682 /*
1683 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1684 */
1685 enum ieee80211_p2p_attr_id {
1686 IEEE80211_P2P_ATTR_STATUS = 0,
1687 IEEE80211_P2P_ATTR_MINOR_REASON,
1688 IEEE80211_P2P_ATTR_CAPABILITY,
1689 IEEE80211_P2P_ATTR_DEVICE_ID,
1690 IEEE80211_P2P_ATTR_GO_INTENT,
1691 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1692 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1693 IEEE80211_P2P_ATTR_GROUP_BSSID,
1694 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1695 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1696 IEEE80211_P2P_ATTR_MANAGABILITY,
1697 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1698 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1699 IEEE80211_P2P_ATTR_DEVICE_INFO,
1700 IEEE80211_P2P_ATTR_GROUP_INFO,
1701 IEEE80211_P2P_ATTR_GROUP_ID,
1702 IEEE80211_P2P_ATTR_INTERFACE,
1703 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1704 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1705 /* 19 - 220: Reserved */
1706 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1707
1708 IEEE80211_P2P_ATTR_MAX
1709 };
1710
1711 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1712 /* Typical max value used here */
1713 #define IEEE80211_P2P_NOA_DESC_MAX 4
1714
1715 struct ieee80211_p2p_noa_desc {
1716 u8 count;
1717 __le32 duration;
1718 __le32 interval;
1719 __le32 start_time;
1720 } __packed;
1721
1722 struct ieee80211_p2p_noa_attr {
1723 u8 index;
1724 u8 oppps_ctwindow;
1725 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1726 } __packed;
1727
1728 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1729 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1730
1731 /**
1732 * struct ieee80211_bar - Block Ack Request frame format
1733 * @frame_control: Frame Control
1734 * @duration: Duration
1735 * @ra: RA
1736 * @ta: TA
1737 * @control: BAR Control
1738 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1739 *
1740 * This structure represents the "BlockAckReq frame format"
1741 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1742 */
1743 struct ieee80211_bar {
1744 __le16 frame_control;
1745 __le16 duration;
1746 __u8 ra[ETH_ALEN];
1747 __u8 ta[ETH_ALEN];
1748 __le16 control;
1749 __le16 start_seq_num;
1750 } __packed;
1751
1752 /* 802.11 BAR control masks */
1753 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1754 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1755 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1756 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1757 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1758
1759 #define IEEE80211_HT_MCS_MASK_LEN 10
1760
1761 /**
1762 * struct ieee80211_mcs_info - Supported MCS Set field
1763 * @rx_mask: RX mask
1764 * @rx_highest: highest supported RX rate. If set represents
1765 * the highest supported RX data rate in units of 1 Mbps.
1766 * If this field is 0 this value should not be used to
1767 * consider the highest RX data rate supported.
1768 * @tx_params: TX parameters
1769 * @reserved: Reserved bits
1770 *
1771 * This structure represents the "Supported MCS Set field" as
1772 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1773 */
1774 struct ieee80211_mcs_info {
1775 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1776 __le16 rx_highest;
1777 u8 tx_params;
1778 u8 reserved[3];
1779 } __packed;
1780
1781 /* 802.11n HT capability MSC set */
1782 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1783 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1784 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1785 /* value 0 == 1 stream etc */
1786 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1787 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1788 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1789 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1790
1791 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1792
1793 /*
1794 * 802.11n D5.0 20.3.5 / 20.6 says:
1795 * - indices 0 to 7 and 32 are single spatial stream
1796 * - 8 to 31 are multiple spatial streams using equal modulation
1797 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1798 * - remainder are multiple spatial streams using unequal modulation
1799 */
1800 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1801 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1802 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1803
1804 /**
1805 * struct ieee80211_ht_cap - HT capabilities element
1806 * @cap_info: HT Capability Information
1807 * @ampdu_params_info: A-MPDU Parameters
1808 * @mcs: Supported MCS Set
1809 * @extended_ht_cap_info: HT Extended Capabilities
1810 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1811 * @antenna_selection_info: ASEL Capability
1812 *
1813 * This structure represents the payload of the "HT Capabilities
1814 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1815 */
1816 struct ieee80211_ht_cap {
1817 __le16 cap_info;
1818 u8 ampdu_params_info;
1819
1820 /* 16 bytes MCS information */
1821 struct ieee80211_mcs_info mcs;
1822
1823 __le16 extended_ht_cap_info;
1824 __le32 tx_BF_cap_info;
1825 u8 antenna_selection_info;
1826 } __packed;
1827
1828 /* 802.11n HT capabilities masks (for cap_info) */
1829 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1830 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1831 #define IEEE80211_HT_CAP_SM_PS 0x000C
1832 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1833 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1834 #define IEEE80211_HT_CAP_SGI_20 0x0020
1835 #define IEEE80211_HT_CAP_SGI_40 0x0040
1836 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1837 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1838 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1839 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1840 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1841 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1842 #define IEEE80211_HT_CAP_RESERVED 0x2000
1843 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1844 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1845
1846 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1847 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1848 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1849 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1850 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1851 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1852 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1853 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1854
1855 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1856 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1857 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1858 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1859
1860 /*
1861 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1862 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1863 */
1864 enum ieee80211_max_ampdu_length_exp {
1865 IEEE80211_HT_MAX_AMPDU_8K = 0,
1866 IEEE80211_HT_MAX_AMPDU_16K = 1,
1867 IEEE80211_HT_MAX_AMPDU_32K = 2,
1868 IEEE80211_HT_MAX_AMPDU_64K = 3
1869 };
1870
1871 /*
1872 * Maximum length of AMPDU that the STA can receive in VHT.
1873 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1874 */
1875 enum ieee80211_vht_max_ampdu_length_exp {
1876 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1877 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1878 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1879 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1880 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1881 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1882 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1883 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1884 };
1885
1886 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1887
1888 /* Minimum MPDU start spacing */
1889 enum ieee80211_min_mpdu_spacing {
1890 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1891 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1892 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1893 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1894 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1895 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1896 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1897 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1898 };
1899
1900 /**
1901 * struct ieee80211_ht_operation - HT operation IE
1902 * @primary_chan: Primary Channel
1903 * @ht_param: HT Operation Information parameters
1904 * @operation_mode: HT Operation Information operation mode
1905 * @stbc_param: HT Operation Information STBC params
1906 * @basic_set: Basic HT-MCS Set
1907 *
1908 * This structure represents the payload of the "HT Operation
1909 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1910 */
1911 struct ieee80211_ht_operation {
1912 u8 primary_chan;
1913 u8 ht_param;
1914 __le16 operation_mode;
1915 __le16 stbc_param;
1916 u8 basic_set[16];
1917 } __packed;
1918
1919 /* for ht_param */
1920 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1921 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1922 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1923 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1924 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1925 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1926
1927 /* for operation_mode */
1928 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1929 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1930 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1931 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1932 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1933 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1934 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1935 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1936 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1937
1938 /* for stbc_param */
1939 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1940 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1941 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1942 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1943 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1944 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1945
1946
1947 /* block-ack parameters */
1948 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1949 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1950 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1951 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1952 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1953 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1954
1955 /*
1956 * A-MPDU buffer sizes
1957 * According to HT size varies from 8 to 64 frames
1958 * HE adds the ability to have up to 256 frames.
1959 * EHT adds the ability to have up to 1K frames.
1960 */
1961 #define IEEE80211_MIN_AMPDU_BUF 0x8
1962 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1963 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1964 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1965
1966
1967 /* Spatial Multiplexing Power Save Modes (for capability) */
1968 #define WLAN_HT_CAP_SM_PS_STATIC 0
1969 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1970 #define WLAN_HT_CAP_SM_PS_INVALID 2
1971 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1972
1973 /* for SM power control field lower two bits */
1974 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1975 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1976 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1977
1978 /**
1979 * struct ieee80211_vht_mcs_info - VHT MCS information
1980 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1981 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1982 * STA can receive. Rate expressed in units of 1 Mbps.
1983 * If this field is 0 this value should not be used to
1984 * consider the highest RX data rate supported.
1985 * The top 3 bits of this field indicate the Maximum NSTS,total
1986 * (a beamformee capability.)
1987 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1988 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1989 * STA can transmit. Rate expressed in units of 1 Mbps.
1990 * If this field is 0 this value should not be used to
1991 * consider the highest TX data rate supported.
1992 * The top 2 bits of this field are reserved, the
1993 * 3rd bit from the top indiciates VHT Extended NSS BW
1994 * Capability.
1995 */
1996 struct ieee80211_vht_mcs_info {
1997 __le16 rx_mcs_map;
1998 __le16 rx_highest;
1999 __le16 tx_mcs_map;
2000 __le16 tx_highest;
2001 } __packed;
2002
2003 /* for rx_highest */
2004 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
2005 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
2006
2007 /* for tx_highest */
2008 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
2009
2010 /**
2011 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
2012 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2013 * number of streams
2014 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
2015 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2016 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
2017 *
2018 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
2019 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
2020 * both split into 8 subfields by number of streams. These values indicate
2021 * which MCSes are supported for the number of streams the value appears
2022 * for.
2023 */
2024 enum ieee80211_vht_mcs_support {
2025 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
2026 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
2027 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
2028 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
2029 };
2030
2031 /**
2032 * struct ieee80211_vht_cap - VHT capabilities
2033 *
2034 * This structure is the "VHT capabilities element" as
2035 * described in 802.11ac D3.0 8.4.2.160
2036 * @vht_cap_info: VHT capability info
2037 * @supp_mcs: VHT MCS supported rates
2038 */
2039 struct ieee80211_vht_cap {
2040 __le32 vht_cap_info;
2041 struct ieee80211_vht_mcs_info supp_mcs;
2042 } __packed;
2043
2044 /**
2045 * enum ieee80211_vht_chanwidth - VHT channel width
2046 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
2047 * determine the channel width (20 or 40 MHz)
2048 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
2049 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
2050 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
2051 */
2052 enum ieee80211_vht_chanwidth {
2053 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
2054 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
2055 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
2056 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
2057 };
2058
2059 /**
2060 * struct ieee80211_vht_operation - VHT operation IE
2061 *
2062 * This structure is the "VHT operation element" as
2063 * described in 802.11ac D3.0 8.4.2.161
2064 * @chan_width: Operating channel width
2065 * @center_freq_seg0_idx: center freq segment 0 index
2066 * @center_freq_seg1_idx: center freq segment 1 index
2067 * @basic_mcs_set: VHT Basic MCS rate set
2068 */
2069 struct ieee80211_vht_operation {
2070 u8 chan_width;
2071 u8 center_freq_seg0_idx;
2072 u8 center_freq_seg1_idx;
2073 __le16 basic_mcs_set;
2074 } __packed;
2075
2076 /**
2077 * struct ieee80211_he_cap_elem - HE capabilities element
2078 * @mac_cap_info: HE MAC Capabilities Information
2079 * @phy_cap_info: HE PHY Capabilities Information
2080 *
2081 * This structure represents the fixed fields of the payload of the
2082 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2083 * sections 9.4.2.248.2 and 9.4.2.248.3.
2084 */
2085 struct ieee80211_he_cap_elem {
2086 u8 mac_cap_info[6];
2087 u8 phy_cap_info[11];
2088 } __packed;
2089
2090 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
2091
2092 /**
2093 * enum ieee80211_he_mcs_support - HE MCS support definitions
2094 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2095 * number of streams
2096 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2097 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2098 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2099 *
2100 * These definitions are used in each 2-bit subfield of the rx_mcs_*
2101 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2102 * both split into 8 subfields by number of streams. These values indicate
2103 * which MCSes are supported for the number of streams the value appears
2104 * for.
2105 */
2106 enum ieee80211_he_mcs_support {
2107 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
2108 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
2109 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
2110 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
2111 };
2112
2113 /**
2114 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2115 *
2116 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2117 * described in P802.11ax_D2.0 section 9.4.2.237.4
2118 *
2119 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2120 * widths less than 80MHz.
2121 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2122 * widths less than 80MHz.
2123 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2124 * width 160MHz.
2125 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2126 * width 160MHz.
2127 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2128 * channel width 80p80MHz.
2129 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2130 * channel width 80p80MHz.
2131 */
2132 struct ieee80211_he_mcs_nss_supp {
2133 __le16 rx_mcs_80;
2134 __le16 tx_mcs_80;
2135 __le16 rx_mcs_160;
2136 __le16 tx_mcs_160;
2137 __le16 rx_mcs_80p80;
2138 __le16 tx_mcs_80p80;
2139 } __packed;
2140
2141 /**
2142 * struct ieee80211_he_operation - HE Operation element
2143 * @he_oper_params: HE Operation Parameters + BSS Color Information
2144 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2145 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2146 * BSSID Indicator, and 6 GHz Operation Information
2147 *
2148 * This structure represents the payload of the "HE Operation
2149 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2150 */
2151 struct ieee80211_he_operation {
2152 __le32 he_oper_params;
2153 __le16 he_mcs_nss_set;
2154 u8 optional[];
2155 } __packed;
2156
2157 /**
2158 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2159 * @he_sr_control: SR Control
2160 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2161 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2162 * Bitmap, and SRG Partial BSSID Bitmap
2163 *
2164 * This structure represents the payload of the "Spatial Reuse
2165 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2166 * section 9.4.2.252.
2167 */
2168 struct ieee80211_he_spr {
2169 u8 he_sr_control;
2170 u8 optional[];
2171 } __packed;
2172
2173 /**
2174 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2175 * @aifsn: ACI/AIFSN
2176 * @ecw_min_max: ECWmin/ECWmax
2177 * @mu_edca_timer: MU EDCA Timer
2178 *
2179 * This structure represents the "MU AC Parameter Record" as described
2180 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2181 */
2182 struct ieee80211_he_mu_edca_param_ac_rec {
2183 u8 aifsn;
2184 u8 ecw_min_max;
2185 u8 mu_edca_timer;
2186 } __packed;
2187
2188 /**
2189 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2190 * @mu_qos_info: QoS Info
2191 * @ac_be: MU AC_BE Parameter Record
2192 * @ac_bk: MU AC_BK Parameter Record
2193 * @ac_vi: MU AC_VI Parameter Record
2194 * @ac_vo: MU AC_VO Parameter Record
2195 *
2196 * This structure represents the payload of the "MU EDCA Parameter Set
2197 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2198 */
2199 struct ieee80211_mu_edca_param_set {
2200 u8 mu_qos_info;
2201 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2202 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2203 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2204 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2205 } __packed;
2206
2207 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2208 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2209
2210 /**
2211 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2212 * supported NSS for per MCS.
2213 *
2214 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2215 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2216 * for Tx.
2217 *
2218 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2219 * supported for reception and the maximum number of spatial streams
2220 * supported for transmission for MCS 0 - 7.
2221 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2222 * supported for reception and the maximum number of spatial streams
2223 * supported for transmission for MCS 8 - 9.
2224 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2225 * supported for reception and the maximum number of spatial streams
2226 * supported for transmission for MCS 10 - 11.
2227 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2228 * supported for reception and the maximum number of spatial streams
2229 * supported for transmission for MCS 12 - 13.
2230 * @rx_tx_max_nss: array of the previous fields for easier loop access
2231 */
2232 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2233 union {
2234 struct {
2235 u8 rx_tx_mcs7_max_nss;
2236 u8 rx_tx_mcs9_max_nss;
2237 u8 rx_tx_mcs11_max_nss;
2238 u8 rx_tx_mcs13_max_nss;
2239 };
2240 u8 rx_tx_max_nss[4];
2241 };
2242 };
2243
2244 /**
2245 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2246 * 20MHz only stations).
2247 *
2248 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2249 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2250 * for Tx.
2251 *
2252 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2253 * supported for reception and the maximum number of spatial streams
2254 * supported for transmission for MCS 0 - 9.
2255 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2256 * supported for reception and the maximum number of spatial streams
2257 * supported for transmission for MCS 10 - 11.
2258 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2259 * supported for reception and the maximum number of spatial streams
2260 * supported for transmission for MCS 12 - 13.
2261 * @rx_tx_max_nss: array of the previous fields for easier loop access
2262 */
2263 struct ieee80211_eht_mcs_nss_supp_bw {
2264 union {
2265 struct {
2266 u8 rx_tx_mcs9_max_nss;
2267 u8 rx_tx_mcs11_max_nss;
2268 u8 rx_tx_mcs13_max_nss;
2269 };
2270 u8 rx_tx_max_nss[3];
2271 };
2272 };
2273
2274 /**
2275 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2276 *
2277 * This structure is the "EHT Capabilities element" fixed fields as
2278 * described in P802.11be_D2.0 section 9.4.2.313.
2279 *
2280 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2281 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2282 */
2283 struct ieee80211_eht_cap_elem_fixed {
2284 u8 mac_cap_info[2];
2285 u8 phy_cap_info[9];
2286 } __packed;
2287
2288 /**
2289 * struct ieee80211_eht_cap_elem - EHT capabilities element
2290 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2291 * @optional: optional parts
2292 */
2293 struct ieee80211_eht_cap_elem {
2294 struct ieee80211_eht_cap_elem_fixed fixed;
2295
2296 /*
2297 * Followed by:
2298 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2299 * EHT PPE Thresholds field: variable length.
2300 */
2301 u8 optional[];
2302 } __packed;
2303
2304 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2305 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2306 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2307 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2308 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2309
2310 /**
2311 * struct ieee80211_eht_operation - eht operation element
2312 *
2313 * This structure is the "EHT Operation Element" fields as
2314 * described in P802.11be_D2.0 section 9.4.2.311
2315 *
2316 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2317 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2318 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2319 * receive.
2320 * @optional: optional parts
2321 */
2322 struct ieee80211_eht_operation {
2323 u8 params;
2324 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2325 u8 optional[];
2326 } __packed;
2327
2328 /**
2329 * struct ieee80211_eht_operation_info - eht operation information
2330 *
2331 * @control: EHT operation information control.
2332 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2333 * EHT BSS.
2334 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2335 * @optional: optional parts
2336 */
2337 struct ieee80211_eht_operation_info {
2338 u8 control;
2339 u8 ccfs0;
2340 u8 ccfs1;
2341 u8 optional[];
2342 } __packed;
2343
2344 /* 802.11ac VHT Capabilities */
2345 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2346 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2347 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2348 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2349 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2350 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2351 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2352 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2353 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2354 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2355 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2356 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2357 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2358 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2359 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2360 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2361 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2362 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2363 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2364 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2365 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2366 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2367 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2368 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2369 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2370 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2371 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2372 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2373 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2374 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2375 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2376 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2377 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2378 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2379 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2380 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2381 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2382 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2383 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2384
2385 /**
2386 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2387 * @cap: VHT capabilities of the peer
2388 * @bw: bandwidth to use
2389 * @mcs: MCS index to use
2390 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2391 * (rate scaling algorithm) can deal with the new logic
2392 * (dot11VHTExtendedNSSBWCapable)
2393 * @max_vht_nss: current maximum NSS as advertised by the STA in
2394 * operating mode notification, can be 0 in which case the
2395 * capability data will be used to derive this (from MCS support)
2396 * Return: The maximum NSS that can be used for the given bandwidth/MCS
2397 * combination
2398 *
2399 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2400 * vary for a given BW/MCS. This function parses the data.
2401 *
2402 * Note: This function is exported by cfg80211.
2403 */
2404 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2405 enum ieee80211_vht_chanwidth bw,
2406 int mcs, bool ext_nss_bw_capable,
2407 unsigned int max_vht_nss);
2408
2409 /* 802.11ax HE MAC capabilities */
2410 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2411 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2412 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2413 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2414 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2415 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2416 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2417 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2418 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2419 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2420 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2421 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2422 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2423 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2424 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2425 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2426 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2427
2428 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2429 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2430 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2431 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2432 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2433 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2434 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2435 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2436 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2437 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2438 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2439 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2440 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2441 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2442 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2443 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2444 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2445 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2446
2447 /* Link adaptation is split between byte HE_MAC_CAP1 and
2448 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2449 * in which case the following values apply:
2450 * 0 = No feedback.
2451 * 1 = reserved.
2452 * 2 = Unsolicited feedback.
2453 * 3 = both
2454 */
2455 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2456
2457 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2458 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2459 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2460 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2461 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2462 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2463 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2464 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2465
2466 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2467 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2468
2469 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2470 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2471 * same field in the HE capabilities.
2472 */
2473 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2474 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2475 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2476 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2477 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2478 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2479 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2480 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2481
2482 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2483 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2484 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2485 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2486 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2487 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2488 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2489 /* Multi TID agg TX is split between byte #4 and #5
2490 * The value is a combination of B39,B40,B41
2491 */
2492 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2493
2494 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2495 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2496 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2497 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2498 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2499 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2500 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2501 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2502
2503 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2504 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2505 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2506
2507 /* 802.11ax HE PHY capabilities */
2508 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2509 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2510 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2511 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2512 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2513
2514 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2515 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2516 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2517
2518 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2519 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2520 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2521 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2522 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2523 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2524 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2525 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2526 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2527 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2528
2529 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2530 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2531 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2532 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2533 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2534 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2535
2536 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2537 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2538 * case it indicates support for Tx.
2539 */
2540 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2541 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2542
2543 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2544 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2545 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2546 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2547 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2548 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2549 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2550 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2551 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2552 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2553 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2554 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2555 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2556 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2557 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2558 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2559
2560 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2561 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2562
2563 /* Minimal allowed value of Max STS under 80MHz is 3 */
2564 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2565 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2566 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2567 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2568 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2569 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2570
2571 /* Minimal allowed value of Max STS above 80MHz is 3 */
2572 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2573 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2574 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2575 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2576 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2577 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2578
2579 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2580 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2581 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2582 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2583 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2584 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2585 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2586 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2587 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2588
2589 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2590 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2591 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2592 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2593 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2594 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2595 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2596 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2597 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2598
2599 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2600 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2601
2602 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2603 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2604 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2605 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2606 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2607 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2608 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2609 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2610
2611 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2612 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2613 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2614 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2615 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2616 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2617 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2618 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2619 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2620 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2621 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2622 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2623 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2624
2625 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2626 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2627 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2628 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2629 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2630 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2631 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2632 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2633 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2634 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2635 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2636
2637 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2638 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2639 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2640 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2641 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2642 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2643 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2644 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2645 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2646 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2647 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2648 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2649
2650 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2651
2652 /* 802.11ax HE TX/RX MCS NSS Support */
2653 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2654 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2655 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2656 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2657 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2658
2659 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2660 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2661 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2662 HIGHEST_MCS_SUPPORTED_MCS8,
2663 HIGHEST_MCS_SUPPORTED_MCS9,
2664 HIGHEST_MCS_SUPPORTED_MCS10,
2665 HIGHEST_MCS_SUPPORTED_MCS11,
2666 };
2667
2668 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2669 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2670 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2671 {
2672 u8 count = 4;
2673
2674 if (he_cap->phy_cap_info[0] &
2675 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2676 count += 4;
2677
2678 if (he_cap->phy_cap_info[0] &
2679 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2680 count += 4;
2681
2682 return count;
2683 }
2684
2685 /* 802.11ax HE PPE Thresholds */
2686 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2687 #define IEEE80211_PPE_THRES_NSS_POS (0)
2688 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2689 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2690 (BIT(5) | BIT(6))
2691 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2692 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2693 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2694 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2695
2696 /*
2697 * Calculate 802.11ax HE capabilities IE PPE field size
2698 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2699 */
2700 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2701 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2702 {
2703 u8 n;
2704
2705 if ((phy_cap_info[6] &
2706 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2707 return 0;
2708
2709 n = hweight8(ppe_thres_hdr &
2710 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2711 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2712 IEEE80211_PPE_THRES_NSS_POS));
2713
2714 /*
2715 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2716 * total size.
2717 */
2718 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2719 n = DIV_ROUND_UP(n, 8);
2720
2721 return n;
2722 }
2723
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2724 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2725 {
2726 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2727 u8 needed = sizeof(*he_cap_ie_elem);
2728
2729 if (len < needed)
2730 return false;
2731
2732 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2733 if (len < needed)
2734 return false;
2735
2736 if (he_cap_ie_elem->phy_cap_info[6] &
2737 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2738 if (len < needed + 1)
2739 return false;
2740 needed += ieee80211_he_ppe_size(data[needed],
2741 he_cap_ie_elem->phy_cap_info);
2742 }
2743
2744 return len >= needed;
2745 }
2746
2747 /* HE Operation defines */
2748 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2749 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2750 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2751 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2752 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2753 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2754 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2755 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2756 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2757 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2758 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2759 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2760
2761 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2762 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2763 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2
2764 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP 3
2765 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP 4
2766
2767 /**
2768 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2769 * @primary: primary channel
2770 * @control: control flags
2771 * @ccfs0: channel center frequency segment 0
2772 * @ccfs1: channel center frequency segment 1
2773 * @minrate: minimum rate (in 1 Mbps units)
2774 */
2775 struct ieee80211_he_6ghz_oper {
2776 u8 primary;
2777 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2778 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2779 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2780 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2781 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2782 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2783 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2784 u8 control;
2785 u8 ccfs0;
2786 u8 ccfs1;
2787 u8 minrate;
2788 } __packed;
2789
2790 /* transmit power interpretation type of transmit power envelope element */
2791 enum ieee80211_tx_power_intrpt_type {
2792 IEEE80211_TPE_LOCAL_EIRP,
2793 IEEE80211_TPE_LOCAL_EIRP_PSD,
2794 IEEE80211_TPE_REG_CLIENT_EIRP,
2795 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2796 };
2797
2798 /* category type of transmit power envelope element */
2799 enum ieee80211_tx_power_category_6ghz {
2800 IEEE80211_TPE_CAT_6GHZ_DEFAULT = 0,
2801 IEEE80211_TPE_CAT_6GHZ_SUBORDINATE = 1,
2802 };
2803
2804 /*
2805 * For IEEE80211_TPE_LOCAL_EIRP / IEEE80211_TPE_REG_CLIENT_EIRP,
2806 * setting to 63.5 dBm means no constraint.
2807 */
2808 #define IEEE80211_TPE_MAX_TX_PWR_NO_CONSTRAINT 127
2809
2810 /*
2811 * For IEEE80211_TPE_LOCAL_EIRP_PSD / IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2812 * setting to 127 indicates no PSD limit for the 20 MHz channel.
2813 */
2814 #define IEEE80211_TPE_PSD_NO_LIMIT 127
2815
2816 /**
2817 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2818 * @info: Transmit Power Information field
2819 * @variable: Maximum Transmit Power field
2820 *
2821 * This structure represents the payload of the "Transmit Power
2822 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2823 * 9.4.2.161
2824 */
2825 struct ieee80211_tx_pwr_env {
2826 u8 info;
2827 u8 variable[];
2828 } __packed;
2829
2830 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2831 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2832 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2833
2834 #define IEEE80211_TX_PWR_ENV_EXT_COUNT 0xF
2835
ieee80211_valid_tpe_element(const u8 * data,u8 len)2836 static inline bool ieee80211_valid_tpe_element(const u8 *data, u8 len)
2837 {
2838 const struct ieee80211_tx_pwr_env *env = (const void *)data;
2839 u8 count, interpret, category;
2840 u8 needed = sizeof(*env);
2841 u8 N; /* also called N in the spec */
2842
2843 if (len < needed)
2844 return false;
2845
2846 count = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_COUNT);
2847 interpret = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
2848 category = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_CATEGORY);
2849
2850 switch (category) {
2851 case IEEE80211_TPE_CAT_6GHZ_DEFAULT:
2852 case IEEE80211_TPE_CAT_6GHZ_SUBORDINATE:
2853 break;
2854 default:
2855 return false;
2856 }
2857
2858 switch (interpret) {
2859 case IEEE80211_TPE_LOCAL_EIRP:
2860 case IEEE80211_TPE_REG_CLIENT_EIRP:
2861 if (count > 3)
2862 return false;
2863
2864 /* count == 0 encodes 1 value for 20 MHz, etc. */
2865 needed += count + 1;
2866
2867 if (len < needed)
2868 return false;
2869
2870 /* there can be extension fields not accounted for in 'count' */
2871
2872 return true;
2873 case IEEE80211_TPE_LOCAL_EIRP_PSD:
2874 case IEEE80211_TPE_REG_CLIENT_EIRP_PSD:
2875 if (count > 4)
2876 return false;
2877
2878 N = count ? 1 << (count - 1) : 1;
2879 needed += N;
2880
2881 if (len < needed)
2882 return false;
2883
2884 if (len > needed) {
2885 u8 K = u8_get_bits(env->variable[N],
2886 IEEE80211_TX_PWR_ENV_EXT_COUNT);
2887
2888 needed += 1 + K;
2889 if (len < needed)
2890 return false;
2891 }
2892
2893 return true;
2894 }
2895
2896 return false;
2897 }
2898
2899 /*
2900 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2901 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2902 * after the ext ID byte. It is assumed that he_oper_ie has at least
2903 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2904 * validated this.
2905 * @return the actual size of the IE data (not including header), or 0 on error
2906 */
2907 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2908 ieee80211_he_oper_size(const u8 *he_oper_ie)
2909 {
2910 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2911 u8 oper_len = sizeof(struct ieee80211_he_operation);
2912 u32 he_oper_params;
2913
2914 /* Make sure the input is not NULL */
2915 if (!he_oper_ie)
2916 return 0;
2917
2918 /* Calc required length */
2919 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2920 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2921 oper_len += 3;
2922 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2923 oper_len++;
2924 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2925 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2926
2927 /* Add the first byte (extension ID) to the total length */
2928 oper_len++;
2929
2930 return oper_len;
2931 }
2932
2933 /**
2934 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2935 * @he_oper: HE operation element (must be pre-validated for size)
2936 * but may be %NULL
2937 *
2938 * Return: a pointer to the 6 GHz operation field, or %NULL
2939 */
2940 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2941 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2942 {
2943 const u8 *ret;
2944 u32 he_oper_params;
2945
2946 if (!he_oper)
2947 return NULL;
2948
2949 ret = (const void *)&he_oper->optional;
2950
2951 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2952
2953 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2954 return NULL;
2955 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2956 ret += 3;
2957 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2958 ret++;
2959
2960 return (const void *)ret;
2961 }
2962
2963 /* HE Spatial Reuse defines */
2964 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2965 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2966 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2967 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2968 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2969
2970 /*
2971 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2972 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2973 * after the ext ID byte. It is assumed that he_spr_ie has at least
2974 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2975 * this
2976 * @return the actual size of the IE data (not including header), or 0 on error
2977 */
2978 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2979 ieee80211_he_spr_size(const u8 *he_spr_ie)
2980 {
2981 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2982 u8 spr_len = sizeof(struct ieee80211_he_spr);
2983 u8 he_spr_params;
2984
2985 /* Make sure the input is not NULL */
2986 if (!he_spr_ie)
2987 return 0;
2988
2989 /* Calc required length */
2990 he_spr_params = he_spr->he_sr_control;
2991 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2992 spr_len++;
2993 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2994 spr_len += 18;
2995
2996 /* Add the first byte (extension ID) to the total length */
2997 spr_len++;
2998
2999 return spr_len;
3000 }
3001
3002 /* S1G Capabilities Information field */
3003 #define IEEE80211_S1G_CAPABILITY_LEN 15
3004
3005 #define S1G_CAP0_S1G_LONG BIT(0)
3006 #define S1G_CAP0_SGI_1MHZ BIT(1)
3007 #define S1G_CAP0_SGI_2MHZ BIT(2)
3008 #define S1G_CAP0_SGI_4MHZ BIT(3)
3009 #define S1G_CAP0_SGI_8MHZ BIT(4)
3010 #define S1G_CAP0_SGI_16MHZ BIT(5)
3011 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
3012
3013 #define S1G_SUPP_CH_WIDTH_2 0
3014 #define S1G_SUPP_CH_WIDTH_4 1
3015 #define S1G_SUPP_CH_WIDTH_8 2
3016 #define S1G_SUPP_CH_WIDTH_16 3
3017 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
3018 cap[0])) << 1)
3019
3020 #define S1G_CAP1_RX_LDPC BIT(0)
3021 #define S1G_CAP1_TX_STBC BIT(1)
3022 #define S1G_CAP1_RX_STBC BIT(2)
3023 #define S1G_CAP1_SU_BFER BIT(3)
3024 #define S1G_CAP1_SU_BFEE BIT(4)
3025 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
3026
3027 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
3028 #define S1G_CAP2_MU_BFER BIT(3)
3029 #define S1G_CAP2_MU_BFEE BIT(4)
3030 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
3031 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
3032
3033 #define S1G_CAP3_RD_RESPONDER BIT(0)
3034 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
3035 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
3036 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
3037 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
3038
3039 #define S1G_CAP4_UPLINK_SYNC BIT(0)
3040 #define S1G_CAP4_DYNAMIC_AID BIT(1)
3041 #define S1G_CAP4_BAT BIT(2)
3042 #define S1G_CAP4_TIME_ADE BIT(3)
3043 #define S1G_CAP4_NON_TIM BIT(4)
3044 #define S1G_CAP4_GROUP_AID BIT(5)
3045 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
3046
3047 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
3048 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
3049 #define S1G_CAP5_AMSDU BIT(2)
3050 #define S1G_CAP5_AMPDU BIT(3)
3051 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
3052 #define S1G_CAP5_FLOW_CONTROL BIT(5)
3053 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
3054
3055 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
3056 #define S1G_CAP6_FRAGMENT_BA BIT(1)
3057 #define S1G_CAP6_NDP_PS_POLL BIT(2)
3058 #define S1G_CAP6_RAW_OPERATION BIT(3)
3059 #define S1G_CAP6_PAGE_SLICING BIT(4)
3060 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
3061 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
3062
3063 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
3064 #define S1G_CAP7_DUP_1MHZ BIT(1)
3065 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
3066 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
3067 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
3068 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
3069 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
3070 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
3071
3072 #define S1G_CAP8_TWT_GROUPING BIT(0)
3073 #define S1G_CAP8_BDT BIT(1)
3074 #define S1G_CAP8_COLOR GENMASK(4, 2)
3075 #define S1G_CAP8_TWT_REQUEST BIT(5)
3076 #define S1G_CAP8_TWT_RESPOND BIT(6)
3077 #define S1G_CAP8_PV1_FRAME BIT(7)
3078
3079 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
3080
3081 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
3082 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
3083
3084 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
3085 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
3086 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
3087 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
3088 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
3089 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
3090 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
3091 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
3092 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
3093 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
3094 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
3095
3096 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
3097
3098 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
3099 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
3100 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
3101 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
3102 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
3103 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
3104 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
3105
3106 /* EHT beamformee number of spatial streams <= 80MHz is split */
3107 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
3108 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
3109
3110 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
3111 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
3112
3113 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
3114 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
3115
3116 /* EHT number of sounding dimensions for 320MHz is split */
3117 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
3118 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
3119 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
3120 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
3121 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
3122 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
3123 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
3124 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
3125 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
3126
3127 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
3128 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
3129 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
3130 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
3131 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
3132
3133 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
3134 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
3135 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
3136 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
3137 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
3138 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
3139 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
3140 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
3141 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
3142
3143 /* Maximum number of supported EHT LTF is split */
3144 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
3145 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
3146 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
3147
3148 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08
3149 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30
3150 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40
3151 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
3152 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
3153
3154 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3155 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3156 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3157 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3158 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3159 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3160 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3161 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3162
3163 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3164 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3165
3166 /*
3167 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3168 */
3169 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3170 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3171 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3172 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3173 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3174 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3175
3176 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3177 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)3178 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3179 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3180 bool from_ap)
3181 {
3182 u8 count = 0;
3183
3184 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3185 if (he_cap->phy_cap_info[0] &
3186 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3187 return 3;
3188
3189 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3190 if (he_cap->phy_cap_info[0] &
3191 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3192 count += 3;
3193
3194 if (he_cap->phy_cap_info[0] &
3195 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3196 count += 3;
3197
3198 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3199 count += 3;
3200
3201 if (count)
3202 return count;
3203
3204 return from_ap ? 3 : 4;
3205 }
3206
3207 /* 802.11be EHT PPE Thresholds */
3208 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3209 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3210 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3211 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3212 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3213
3214 /*
3215 * Calculate 802.11be EHT capabilities IE EHT field size
3216 */
3217 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)3218 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3219 {
3220 u32 n;
3221
3222 if (!(phy_cap_info[5] &
3223 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3224 return 0;
3225
3226 n = hweight16(ppe_thres_hdr &
3227 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3228 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3229
3230 /*
3231 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3232 * total size.
3233 */
3234 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3235 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3236 return DIV_ROUND_UP(n, 8);
3237 }
3238
3239 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)3240 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3241 bool from_ap)
3242 {
3243 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3244 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3245
3246 if (len < needed || !he_capa)
3247 return false;
3248
3249 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3250 (const void *)data,
3251 from_ap);
3252 if (len < needed)
3253 return false;
3254
3255 if (elem->phy_cap_info[5] &
3256 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3257 u16 ppe_thres_hdr;
3258
3259 if (len < needed + sizeof(ppe_thres_hdr))
3260 return false;
3261
3262 ppe_thres_hdr = get_unaligned_le16(data + needed);
3263 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3264 elem->phy_cap_info);
3265 }
3266
3267 return len >= needed;
3268 }
3269
3270 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)3271 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3272 {
3273 const struct ieee80211_eht_operation *elem = (const void *)data;
3274 u8 needed = sizeof(*elem);
3275
3276 if (len < needed)
3277 return false;
3278
3279 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3280 needed += 3;
3281
3282 if (elem->params &
3283 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3284 needed += 2;
3285 }
3286
3287 return len >= needed;
3288 }
3289
3290 /* must validate ieee80211_eht_oper_size_ok() first */
3291 static inline u16
ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation * eht_oper)3292 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper)
3293 {
3294 const struct ieee80211_eht_operation_info *info =
3295 (const void *)eht_oper->optional;
3296
3297 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT))
3298 return 0;
3299
3300 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT))
3301 return 0;
3302
3303 return get_unaligned_le16(info->optional);
3304 }
3305
3306 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1)
3307
3308 struct ieee80211_bandwidth_indication {
3309 u8 params;
3310 struct ieee80211_eht_operation_info info;
3311 } __packed;
3312
3313 static inline bool
ieee80211_bandwidth_indication_size_ok(const u8 * data,u8 len)3314 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3315 {
3316 const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3317
3318 if (len < sizeof(*bwi))
3319 return false;
3320
3321 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3322 len < sizeof(*bwi) + 2)
3323 return false;
3324
3325 return true;
3326 }
3327
3328 #define LISTEN_INT_USF GENMASK(15, 14)
3329 #define LISTEN_INT_UI GENMASK(13, 0)
3330
3331 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3332 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3333
3334 /* Authentication algorithms */
3335 #define WLAN_AUTH_OPEN 0
3336 #define WLAN_AUTH_SHARED_KEY 1
3337 #define WLAN_AUTH_FT 2
3338 #define WLAN_AUTH_SAE 3
3339 #define WLAN_AUTH_FILS_SK 4
3340 #define WLAN_AUTH_FILS_SK_PFS 5
3341 #define WLAN_AUTH_FILS_PK 6
3342 #define WLAN_AUTH_LEAP 128
3343
3344 #define WLAN_AUTH_CHALLENGE_LEN 128
3345
3346 #define WLAN_CAPABILITY_ESS (1<<0)
3347 #define WLAN_CAPABILITY_IBSS (1<<1)
3348
3349 /*
3350 * A mesh STA sets the ESS and IBSS capability bits to zero.
3351 * however, this holds true for p2p probe responses (in the p2p_find
3352 * phase) as well.
3353 */
3354 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3355 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3356
3357 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3358 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3359 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3360 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3361 #define WLAN_CAPABILITY_PBCC (1<<6)
3362 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3363
3364 /* 802.11h */
3365 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3366 #define WLAN_CAPABILITY_QOS (1<<9)
3367 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3368 #define WLAN_CAPABILITY_APSD (1<<11)
3369 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3370 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3371 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3372 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3373
3374 /* DMG (60gHz) 802.11ad */
3375 /* type - bits 0..1 */
3376 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3377 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3378 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3379 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3380
3381 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3382 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3383 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3384 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3385
3386 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3387 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3388
3389 /* measurement */
3390 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3391 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3392 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3393
3394 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3395 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3396 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3397 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3398 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3399
3400 /* 802.11g ERP information element */
3401 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3402 #define WLAN_ERP_USE_PROTECTION (1<<1)
3403 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3404
3405 /* WLAN_ERP_BARKER_PREAMBLE values */
3406 enum {
3407 WLAN_ERP_PREAMBLE_SHORT = 0,
3408 WLAN_ERP_PREAMBLE_LONG = 1,
3409 };
3410
3411 /* Band ID, 802.11ad #8.4.1.45 */
3412 enum {
3413 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3414 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3415 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3416 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3417 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3418 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3419 };
3420
3421 /* Status codes */
3422 enum ieee80211_statuscode {
3423 WLAN_STATUS_SUCCESS = 0,
3424 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3425 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3426 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3427 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3428 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3429 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3430 WLAN_STATUS_CHALLENGE_FAIL = 15,
3431 WLAN_STATUS_AUTH_TIMEOUT = 16,
3432 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3433 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3434 /* 802.11b */
3435 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3436 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3437 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3438 /* 802.11h */
3439 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3440 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3441 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3442 /* 802.11g */
3443 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3444 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3445 /* 802.11w */
3446 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3447 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3448 /* 802.11i */
3449 WLAN_STATUS_INVALID_IE = 40,
3450 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3451 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3452 WLAN_STATUS_INVALID_AKMP = 43,
3453 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3454 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3455 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3456 /* 802.11e */
3457 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3458 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3459 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3460 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3461 WLAN_STATUS_REQUEST_DECLINED = 37,
3462 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3463 WLAN_STATUS_CHANGE_TSPEC = 39,
3464 WLAN_STATUS_WAIT_TS_DELAY = 47,
3465 WLAN_STATUS_NO_DIRECT_LINK = 48,
3466 WLAN_STATUS_STA_NOT_PRESENT = 49,
3467 WLAN_STATUS_STA_NOT_QSTA = 50,
3468 /* 802.11s */
3469 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3470 WLAN_STATUS_FCG_NOT_SUPP = 78,
3471 WLAN_STATUS_STA_NO_TBTT = 78,
3472 /* 802.11ad */
3473 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3474 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3475 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3476 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3477 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3478 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3479 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3480 WLAN_STATUS_REJECT_DSE_BAND = 96,
3481 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3482 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3483 /* 802.11ai */
3484 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3485 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3486 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3487 WLAN_STATUS_SAE_PK = 127,
3488 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133,
3489 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134,
3490 };
3491
3492
3493 /* Reason codes */
3494 enum ieee80211_reasoncode {
3495 WLAN_REASON_UNSPECIFIED = 1,
3496 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3497 WLAN_REASON_DEAUTH_LEAVING = 3,
3498 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3499 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3500 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3501 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3502 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3503 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3504 /* 802.11h */
3505 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3506 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3507 /* 802.11i */
3508 WLAN_REASON_INVALID_IE = 13,
3509 WLAN_REASON_MIC_FAILURE = 14,
3510 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3511 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3512 WLAN_REASON_IE_DIFFERENT = 17,
3513 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3514 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3515 WLAN_REASON_INVALID_AKMP = 20,
3516 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3517 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3518 WLAN_REASON_IEEE8021X_FAILED = 23,
3519 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3520 /* TDLS (802.11z) */
3521 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3522 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3523 /* 802.11e */
3524 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3525 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3526 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3527 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3528 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3529 WLAN_REASON_QSTA_NOT_USE = 37,
3530 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3531 WLAN_REASON_QSTA_TIMEOUT = 39,
3532 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3533 /* 802.11s */
3534 WLAN_REASON_MESH_PEER_CANCELED = 52,
3535 WLAN_REASON_MESH_MAX_PEERS = 53,
3536 WLAN_REASON_MESH_CONFIG = 54,
3537 WLAN_REASON_MESH_CLOSE = 55,
3538 WLAN_REASON_MESH_MAX_RETRIES = 56,
3539 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3540 WLAN_REASON_MESH_INVALID_GTK = 58,
3541 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3542 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3543 WLAN_REASON_MESH_PATH_ERROR = 61,
3544 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3545 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3546 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3547 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3548 WLAN_REASON_MESH_CHAN = 66,
3549 };
3550
3551
3552 /* Information Element IDs */
3553 enum ieee80211_eid {
3554 WLAN_EID_SSID = 0,
3555 WLAN_EID_SUPP_RATES = 1,
3556 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3557 WLAN_EID_DS_PARAMS = 3,
3558 WLAN_EID_CF_PARAMS = 4,
3559 WLAN_EID_TIM = 5,
3560 WLAN_EID_IBSS_PARAMS = 6,
3561 WLAN_EID_COUNTRY = 7,
3562 /* 8, 9 reserved */
3563 WLAN_EID_REQUEST = 10,
3564 WLAN_EID_QBSS_LOAD = 11,
3565 WLAN_EID_EDCA_PARAM_SET = 12,
3566 WLAN_EID_TSPEC = 13,
3567 WLAN_EID_TCLAS = 14,
3568 WLAN_EID_SCHEDULE = 15,
3569 WLAN_EID_CHALLENGE = 16,
3570 /* 17-31 reserved for challenge text extension */
3571 WLAN_EID_PWR_CONSTRAINT = 32,
3572 WLAN_EID_PWR_CAPABILITY = 33,
3573 WLAN_EID_TPC_REQUEST = 34,
3574 WLAN_EID_TPC_REPORT = 35,
3575 WLAN_EID_SUPPORTED_CHANNELS = 36,
3576 WLAN_EID_CHANNEL_SWITCH = 37,
3577 WLAN_EID_MEASURE_REQUEST = 38,
3578 WLAN_EID_MEASURE_REPORT = 39,
3579 WLAN_EID_QUIET = 40,
3580 WLAN_EID_IBSS_DFS = 41,
3581 WLAN_EID_ERP_INFO = 42,
3582 WLAN_EID_TS_DELAY = 43,
3583 WLAN_EID_TCLAS_PROCESSING = 44,
3584 WLAN_EID_HT_CAPABILITY = 45,
3585 WLAN_EID_QOS_CAPA = 46,
3586 /* 47 reserved for Broadcom */
3587 WLAN_EID_RSN = 48,
3588 WLAN_EID_802_15_COEX = 49,
3589 WLAN_EID_EXT_SUPP_RATES = 50,
3590 WLAN_EID_AP_CHAN_REPORT = 51,
3591 WLAN_EID_NEIGHBOR_REPORT = 52,
3592 WLAN_EID_RCPI = 53,
3593 WLAN_EID_MOBILITY_DOMAIN = 54,
3594 WLAN_EID_FAST_BSS_TRANSITION = 55,
3595 WLAN_EID_TIMEOUT_INTERVAL = 56,
3596 WLAN_EID_RIC_DATA = 57,
3597 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3598 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3599 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3600 WLAN_EID_HT_OPERATION = 61,
3601 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3602 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3603 WLAN_EID_ANTENNA_INFO = 64,
3604 WLAN_EID_RSNI = 65,
3605 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3606 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3607 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3608 WLAN_EID_TIME_ADVERTISEMENT = 69,
3609 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3610 WLAN_EID_MULTIPLE_BSSID = 71,
3611 WLAN_EID_BSS_COEX_2040 = 72,
3612 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3613 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3614 WLAN_EID_RIC_DESCRIPTOR = 75,
3615 WLAN_EID_MMIE = 76,
3616 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3617 WLAN_EID_EVENT_REQUEST = 78,
3618 WLAN_EID_EVENT_REPORT = 79,
3619 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3620 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3621 WLAN_EID_LOCATION_PARAMS = 82,
3622 WLAN_EID_NON_TX_BSSID_CAP = 83,
3623 WLAN_EID_SSID_LIST = 84,
3624 WLAN_EID_MULTI_BSSID_IDX = 85,
3625 WLAN_EID_FMS_DESCRIPTOR = 86,
3626 WLAN_EID_FMS_REQUEST = 87,
3627 WLAN_EID_FMS_RESPONSE = 88,
3628 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3629 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3630 WLAN_EID_TSF_REQUEST = 91,
3631 WLAN_EID_TSF_RESPOSNE = 92,
3632 WLAN_EID_WNM_SLEEP_MODE = 93,
3633 WLAN_EID_TIM_BCAST_REQ = 94,
3634 WLAN_EID_TIM_BCAST_RESP = 95,
3635 WLAN_EID_COLL_IF_REPORT = 96,
3636 WLAN_EID_CHANNEL_USAGE = 97,
3637 WLAN_EID_TIME_ZONE = 98,
3638 WLAN_EID_DMS_REQUEST = 99,
3639 WLAN_EID_DMS_RESPONSE = 100,
3640 WLAN_EID_LINK_ID = 101,
3641 WLAN_EID_WAKEUP_SCHEDUL = 102,
3642 /* 103 reserved */
3643 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3644 WLAN_EID_PTI_CONTROL = 105,
3645 WLAN_EID_PU_BUFFER_STATUS = 106,
3646 WLAN_EID_INTERWORKING = 107,
3647 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3648 WLAN_EID_EXPEDITED_BW_REQ = 109,
3649 WLAN_EID_QOS_MAP_SET = 110,
3650 WLAN_EID_ROAMING_CONSORTIUM = 111,
3651 WLAN_EID_EMERGENCY_ALERT = 112,
3652 WLAN_EID_MESH_CONFIG = 113,
3653 WLAN_EID_MESH_ID = 114,
3654 WLAN_EID_LINK_METRIC_REPORT = 115,
3655 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3656 WLAN_EID_PEER_MGMT = 117,
3657 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3658 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3659 WLAN_EID_BEACON_TIMING = 120,
3660 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3661 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3662 WLAN_EID_MCCAOP_ADVERT = 123,
3663 WLAN_EID_MCCAOP_TEARDOWN = 124,
3664 WLAN_EID_GANN = 125,
3665 WLAN_EID_RANN = 126,
3666 WLAN_EID_EXT_CAPABILITY = 127,
3667 /* 128, 129 reserved for Agere */
3668 WLAN_EID_PREQ = 130,
3669 WLAN_EID_PREP = 131,
3670 WLAN_EID_PERR = 132,
3671 /* 133-136 reserved for Cisco */
3672 WLAN_EID_PXU = 137,
3673 WLAN_EID_PXUC = 138,
3674 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3675 WLAN_EID_MIC = 140,
3676 WLAN_EID_DESTINATION_URI = 141,
3677 WLAN_EID_UAPSD_COEX = 142,
3678 WLAN_EID_WAKEUP_SCHEDULE = 143,
3679 WLAN_EID_EXT_SCHEDULE = 144,
3680 WLAN_EID_STA_AVAILABILITY = 145,
3681 WLAN_EID_DMG_TSPEC = 146,
3682 WLAN_EID_DMG_AT = 147,
3683 WLAN_EID_DMG_CAP = 148,
3684 /* 149 reserved for Cisco */
3685 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3686 WLAN_EID_DMG_OPERATION = 151,
3687 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3688 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3689 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3690 /* 155-156 reserved for Cisco */
3691 WLAN_EID_AWAKE_WINDOW = 157,
3692 WLAN_EID_MULTI_BAND = 158,
3693 WLAN_EID_ADDBA_EXT = 159,
3694 WLAN_EID_NEXT_PCP_LIST = 160,
3695 WLAN_EID_PCP_HANDOVER = 161,
3696 WLAN_EID_DMG_LINK_MARGIN = 162,
3697 WLAN_EID_SWITCHING_STREAM = 163,
3698 WLAN_EID_SESSION_TRANSITION = 164,
3699 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3700 WLAN_EID_CLUSTER_REPORT = 166,
3701 WLAN_EID_RELAY_CAP = 167,
3702 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3703 WLAN_EID_BEAM_LINK_MAINT = 169,
3704 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3705 WLAN_EID_U_PID = 171,
3706 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3707 /* 173 reserved for Symbol */
3708 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3709 WLAN_EID_QUIET_PERIOD_REQ = 175,
3710 /* 176 reserved for Symbol */
3711 WLAN_EID_QUIET_PERIOD_RESP = 177,
3712 /* 178-179 reserved for Symbol */
3713 /* 180 reserved for ISO/IEC 20011 */
3714 WLAN_EID_EPAC_POLICY = 182,
3715 WLAN_EID_CLISTER_TIME_OFF = 183,
3716 WLAN_EID_INTER_AC_PRIO = 184,
3717 WLAN_EID_SCS_DESCRIPTOR = 185,
3718 WLAN_EID_QLOAD_REPORT = 186,
3719 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3720 WLAN_EID_HL_STREAM_ID = 188,
3721 WLAN_EID_GCR_GROUP_ADDR = 189,
3722 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3723 WLAN_EID_VHT_CAPABILITY = 191,
3724 WLAN_EID_VHT_OPERATION = 192,
3725 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3726 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3727 WLAN_EID_TX_POWER_ENVELOPE = 195,
3728 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3729 WLAN_EID_AID = 197,
3730 WLAN_EID_QUIET_CHANNEL = 198,
3731 WLAN_EID_OPMODE_NOTIF = 199,
3732
3733 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3734
3735 WLAN_EID_AID_REQUEST = 210,
3736 WLAN_EID_AID_RESPONSE = 211,
3737 WLAN_EID_S1G_BCN_COMPAT = 213,
3738 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3739 WLAN_EID_S1G_TWT = 216,
3740 WLAN_EID_S1G_CAPABILITIES = 217,
3741 WLAN_EID_VENDOR_SPECIFIC = 221,
3742 WLAN_EID_QOS_PARAMETER = 222,
3743 WLAN_EID_S1G_OPERATION = 232,
3744 WLAN_EID_CAG_NUMBER = 237,
3745 WLAN_EID_AP_CSN = 239,
3746 WLAN_EID_FILS_INDICATION = 240,
3747 WLAN_EID_DILS = 241,
3748 WLAN_EID_FRAGMENT = 242,
3749 WLAN_EID_RSNX = 244,
3750 WLAN_EID_EXTENSION = 255
3751 };
3752
3753 /* Element ID Extensions for Element ID 255 */
3754 enum ieee80211_eid_ext {
3755 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3756 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3757 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3758 WLAN_EID_EXT_FILS_SESSION = 4,
3759 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3760 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3761 WLAN_EID_EXT_KEY_DELIVERY = 7,
3762 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3763 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3764 WLAN_EID_EXT_FILS_NONCE = 13,
3765 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3766 WLAN_EID_EXT_HE_CAPABILITY = 35,
3767 WLAN_EID_EXT_HE_OPERATION = 36,
3768 WLAN_EID_EXT_UORA = 37,
3769 WLAN_EID_EXT_HE_MU_EDCA = 38,
3770 WLAN_EID_EXT_HE_SPR = 39,
3771 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3772 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3773 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3774 WLAN_EID_EXT_ESS_REPORT = 45,
3775 WLAN_EID_EXT_OPS = 46,
3776 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3777 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3778 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3779 WLAN_EID_EXT_NON_INHERITANCE = 56,
3780 WLAN_EID_EXT_KNOWN_BSSID = 57,
3781 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3782 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3783 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3784 WLAN_EID_EXT_EHT_OPERATION = 106,
3785 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3786 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3787 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3788 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3789 };
3790
3791 /* Action category code */
3792 enum ieee80211_category {
3793 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3794 WLAN_CATEGORY_QOS = 1,
3795 WLAN_CATEGORY_DLS = 2,
3796 WLAN_CATEGORY_BACK = 3,
3797 WLAN_CATEGORY_PUBLIC = 4,
3798 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3799 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3800 WLAN_CATEGORY_HT = 7,
3801 WLAN_CATEGORY_SA_QUERY = 8,
3802 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3803 WLAN_CATEGORY_WNM = 10,
3804 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3805 WLAN_CATEGORY_TDLS = 12,
3806 WLAN_CATEGORY_MESH_ACTION = 13,
3807 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3808 WLAN_CATEGORY_SELF_PROTECTED = 15,
3809 WLAN_CATEGORY_DMG = 16,
3810 WLAN_CATEGORY_WMM = 17,
3811 WLAN_CATEGORY_FST = 18,
3812 WLAN_CATEGORY_UNPROT_DMG = 20,
3813 WLAN_CATEGORY_VHT = 21,
3814 WLAN_CATEGORY_S1G = 22,
3815 WLAN_CATEGORY_PROTECTED_EHT = 37,
3816 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3817 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3818 };
3819
3820 /* SPECTRUM_MGMT action code */
3821 enum ieee80211_spectrum_mgmt_actioncode {
3822 WLAN_ACTION_SPCT_MSR_REQ = 0,
3823 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3824 WLAN_ACTION_SPCT_TPC_REQ = 2,
3825 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3826 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3827 };
3828
3829 /* HT action codes */
3830 enum ieee80211_ht_actioncode {
3831 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3832 WLAN_HT_ACTION_SMPS = 1,
3833 WLAN_HT_ACTION_PSMP = 2,
3834 WLAN_HT_ACTION_PCO_PHASE = 3,
3835 WLAN_HT_ACTION_CSI = 4,
3836 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3837 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3838 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3839 };
3840
3841 /* VHT action codes */
3842 enum ieee80211_vht_actioncode {
3843 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3844 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3845 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3846 };
3847
3848 /* Self Protected Action codes */
3849 enum ieee80211_self_protected_actioncode {
3850 WLAN_SP_RESERVED = 0,
3851 WLAN_SP_MESH_PEERING_OPEN = 1,
3852 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3853 WLAN_SP_MESH_PEERING_CLOSE = 3,
3854 WLAN_SP_MGK_INFORM = 4,
3855 WLAN_SP_MGK_ACK = 5,
3856 };
3857
3858 /* Mesh action codes */
3859 enum ieee80211_mesh_actioncode {
3860 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3861 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3862 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3863 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3864 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3865 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3866 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3867 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3868 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3869 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3870 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3871 };
3872
3873 /* Unprotected WNM action codes */
3874 enum ieee80211_unprotected_wnm_actioncode {
3875 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3876 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3877 };
3878
3879 /* Protected EHT action codes */
3880 enum ieee80211_protected_eht_actioncode {
3881 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0,
3882 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1,
3883 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2,
3884 };
3885
3886 /* Security key length */
3887 enum ieee80211_key_len {
3888 WLAN_KEY_LEN_WEP40 = 5,
3889 WLAN_KEY_LEN_WEP104 = 13,
3890 WLAN_KEY_LEN_CCMP = 16,
3891 WLAN_KEY_LEN_CCMP_256 = 32,
3892 WLAN_KEY_LEN_TKIP = 32,
3893 WLAN_KEY_LEN_AES_CMAC = 16,
3894 WLAN_KEY_LEN_SMS4 = 32,
3895 WLAN_KEY_LEN_GCMP = 16,
3896 WLAN_KEY_LEN_GCMP_256 = 32,
3897 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3898 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3899 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3900 };
3901
3902 enum ieee80211_s1g_actioncode {
3903 WLAN_S1G_AID_SWITCH_REQUEST,
3904 WLAN_S1G_AID_SWITCH_RESPONSE,
3905 WLAN_S1G_SYNC_CONTROL,
3906 WLAN_S1G_STA_INFO_ANNOUNCE,
3907 WLAN_S1G_EDCA_PARAM_SET,
3908 WLAN_S1G_EL_OPERATION,
3909 WLAN_S1G_TWT_SETUP,
3910 WLAN_S1G_TWT_TEARDOWN,
3911 WLAN_S1G_SECT_GROUP_ID_LIST,
3912 WLAN_S1G_SECT_ID_FEEDBACK,
3913 WLAN_S1G_TWT_INFORMATION = 11,
3914 };
3915
3916 #define IEEE80211_WEP_IV_LEN 4
3917 #define IEEE80211_WEP_ICV_LEN 4
3918 #define IEEE80211_CCMP_HDR_LEN 8
3919 #define IEEE80211_CCMP_MIC_LEN 8
3920 #define IEEE80211_CCMP_PN_LEN 6
3921 #define IEEE80211_CCMP_256_HDR_LEN 8
3922 #define IEEE80211_CCMP_256_MIC_LEN 16
3923 #define IEEE80211_CCMP_256_PN_LEN 6
3924 #define IEEE80211_TKIP_IV_LEN 8
3925 #define IEEE80211_TKIP_ICV_LEN 4
3926 #define IEEE80211_CMAC_PN_LEN 6
3927 #define IEEE80211_GMAC_PN_LEN 6
3928 #define IEEE80211_GCMP_HDR_LEN 8
3929 #define IEEE80211_GCMP_MIC_LEN 16
3930 #define IEEE80211_GCMP_PN_LEN 6
3931
3932 #define FILS_NONCE_LEN 16
3933 #define FILS_MAX_KEK_LEN 64
3934
3935 #define FILS_ERP_MAX_USERNAME_LEN 16
3936 #define FILS_ERP_MAX_REALM_LEN 253
3937 #define FILS_ERP_MAX_RRK_LEN 64
3938
3939 #define PMK_MAX_LEN 64
3940 #define SAE_PASSWORD_MAX_LEN 128
3941
3942 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3943 enum ieee80211_pub_actioncode {
3944 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3945 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3946 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3947 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3948 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3949 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3950 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3951 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3952 WLAN_PUB_ACTION_DSE_PC = 8,
3953 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3954 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3955 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3956 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3957 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3958 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3959 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3960 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3961 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3962 WLAN_PUB_ACTION_QMF_POLICY = 18,
3963 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3964 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3965 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3966 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3967 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3968 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3969 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3970 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3971 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3972 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3973 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3974 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3975 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3976 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3977 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3978 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3979 };
3980
3981 /* TDLS action codes */
3982 enum ieee80211_tdls_actioncode {
3983 WLAN_TDLS_SETUP_REQUEST = 0,
3984 WLAN_TDLS_SETUP_RESPONSE = 1,
3985 WLAN_TDLS_SETUP_CONFIRM = 2,
3986 WLAN_TDLS_TEARDOWN = 3,
3987 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3988 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3989 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3990 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3991 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3992 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3993 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3994 };
3995
3996 /* Extended Channel Switching capability to be set in the 1st byte of
3997 * the @WLAN_EID_EXT_CAPABILITY information element
3998 */
3999 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
4000
4001 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
4002 * @WLAN_EID_EXT_CAPABILITY information element
4003 */
4004 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
4005
4006 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
4007 * of the @WLAN_EID_EXT_CAPABILITY information element
4008 */
4009 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
4010
4011 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
4012 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
4013 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
4014 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
4015
4016 /* Interworking capabilities are set in 7th bit of 4th byte of the
4017 * @WLAN_EID_EXT_CAPABILITY information element
4018 */
4019 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
4020
4021 /*
4022 * TDLS capabililites to be enabled in the 5th byte of the
4023 * @WLAN_EID_EXT_CAPABILITY information element
4024 */
4025 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
4026 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
4027 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
4028
4029 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
4030 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
4031
4032 /* Defines the maximal number of MSDUs in an A-MSDU. */
4033 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
4034 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
4035
4036 /*
4037 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
4038 * information element
4039 */
4040 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
4041
4042 /* Defines support for TWT Requester and TWT Responder */
4043 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
4044 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
4045
4046 /*
4047 * When set, indicates that the AP is able to tolerate 26-tone RU UL
4048 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
4049 * 26-tone RU UL OFDMA transmissions as radar pulses).
4050 */
4051 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
4052
4053 /* Defines support for enhanced multi-bssid advertisement*/
4054 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
4055
4056 /* TDLS specific payload type in the LLC/SNAP header */
4057 #define WLAN_TDLS_SNAP_RFTYPE 0x2
4058
4059 /* BSS Coex IE information field bits */
4060 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
4061
4062 /**
4063 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
4064 *
4065 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
4066 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
4067 * that will be specified in a vendor specific information element
4068 */
4069 enum ieee80211_mesh_sync_method {
4070 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
4071 IEEE80211_SYNC_METHOD_VENDOR = 255,
4072 };
4073
4074 /**
4075 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
4076 *
4077 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
4078 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
4079 * be specified in a vendor specific information element
4080 */
4081 enum ieee80211_mesh_path_protocol {
4082 IEEE80211_PATH_PROTOCOL_HWMP = 1,
4083 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
4084 };
4085
4086 /**
4087 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
4088 *
4089 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
4090 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
4091 * specified in a vendor specific information element
4092 */
4093 enum ieee80211_mesh_path_metric {
4094 IEEE80211_PATH_METRIC_AIRTIME = 1,
4095 IEEE80211_PATH_METRIC_VENDOR = 255,
4096 };
4097
4098 /**
4099 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
4100 *
4101 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
4102 *
4103 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
4104 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
4105 * this value
4106 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
4107 * the proactive PREQ with proactive PREP subfield set to 0
4108 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
4109 * supports the proactive PREQ with proactive PREP subfield set to 1
4110 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
4111 * the proactive RANN
4112 */
4113 enum ieee80211_root_mode_identifier {
4114 IEEE80211_ROOTMODE_NO_ROOT = 0,
4115 IEEE80211_ROOTMODE_ROOT = 1,
4116 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
4117 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
4118 IEEE80211_PROACTIVE_RANN = 4,
4119 };
4120
4121 /*
4122 * IEEE 802.11-2007 7.3.2.9 Country information element
4123 *
4124 * Minimum length is 8 octets, ie len must be evenly
4125 * divisible by 2
4126 */
4127
4128 /* Although the spec says 8 I'm seeing 6 in practice */
4129 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
4130
4131 /* The Country String field of the element shall be 3 octets in length */
4132 #define IEEE80211_COUNTRY_STRING_LEN 3
4133
4134 /*
4135 * For regulatory extension stuff see IEEE 802.11-2007
4136 * Annex I (page 1141) and Annex J (page 1147). Also
4137 * review 7.3.2.9.
4138 *
4139 * When dot11RegulatoryClassesRequired is true and the
4140 * first_channel/reg_extension_id is >= 201 then the IE
4141 * compromises of the 'ext' struct represented below:
4142 *
4143 * - Regulatory extension ID - when generating IE this just needs
4144 * to be monotonically increasing for each triplet passed in
4145 * the IE
4146 * - Regulatory class - index into set of rules
4147 * - Coverage class - index into air propagation time (Table 7-27),
4148 * in microseconds, you can compute the air propagation time from
4149 * the index by multiplying by 3, so index 10 yields a propagation
4150 * of 10 us. Valid values are 0-31, values 32-255 are not defined
4151 * yet. A value of 0 inicates air propagation of <= 1 us.
4152 *
4153 * See also Table I.2 for Emission limit sets and table
4154 * I.3 for Behavior limit sets. Table J.1 indicates how to map
4155 * a reg_class to an emission limit set and behavior limit set.
4156 */
4157 #define IEEE80211_COUNTRY_EXTENSION_ID 201
4158
4159 /*
4160 * Channels numbers in the IE must be monotonically increasing
4161 * if dot11RegulatoryClassesRequired is not true.
4162 *
4163 * If dot11RegulatoryClassesRequired is true consecutive
4164 * subband triplets following a regulatory triplet shall
4165 * have monotonically increasing first_channel number fields.
4166 *
4167 * Channel numbers shall not overlap.
4168 *
4169 * Note that max_power is signed.
4170 */
4171 struct ieee80211_country_ie_triplet {
4172 union {
4173 struct {
4174 u8 first_channel;
4175 u8 num_channels;
4176 s8 max_power;
4177 } __packed chans;
4178 struct {
4179 u8 reg_extension_id;
4180 u8 reg_class;
4181 u8 coverage_class;
4182 } __packed ext;
4183 };
4184 } __packed;
4185
4186 enum ieee80211_timeout_interval_type {
4187 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4188 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4189 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4190 };
4191
4192 /**
4193 * struct ieee80211_timeout_interval_ie - Timeout Interval element
4194 * @type: type, see &enum ieee80211_timeout_interval_type
4195 * @value: timeout interval value
4196 */
4197 struct ieee80211_timeout_interval_ie {
4198 u8 type;
4199 __le32 value;
4200 } __packed;
4201
4202 /**
4203 * enum ieee80211_idle_options - BSS idle options
4204 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4205 * protected frame to the AP to reset the idle timer at the AP for
4206 * the station.
4207 */
4208 enum ieee80211_idle_options {
4209 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4210 };
4211
4212 /**
4213 * struct ieee80211_bss_max_idle_period_ie - BSS max idle period element struct
4214 *
4215 * This structure refers to "BSS Max idle period element"
4216 *
4217 * @max_idle_period: indicates the time period during which a station can
4218 * refrain from transmitting frames to its associated AP without being
4219 * disassociated. In units of 1000 TUs.
4220 * @idle_options: indicates the options associated with the BSS idle capability
4221 * as specified in &enum ieee80211_idle_options.
4222 */
4223 struct ieee80211_bss_max_idle_period_ie {
4224 __le16 max_idle_period;
4225 u8 idle_options;
4226 } __packed;
4227
4228 /* BACK action code */
4229 enum ieee80211_back_actioncode {
4230 WLAN_ACTION_ADDBA_REQ = 0,
4231 WLAN_ACTION_ADDBA_RESP = 1,
4232 WLAN_ACTION_DELBA = 2,
4233 };
4234
4235 /* BACK (block-ack) parties */
4236 enum ieee80211_back_parties {
4237 WLAN_BACK_RECIPIENT = 0,
4238 WLAN_BACK_INITIATOR = 1,
4239 };
4240
4241 /* SA Query action */
4242 enum ieee80211_sa_query_action {
4243 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4244 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4245 };
4246
4247 /**
4248 * struct ieee80211_bssid_index - multiple BSSID index element structure
4249 *
4250 * This structure refers to "Multiple BSSID-index element"
4251 *
4252 * @bssid_index: BSSID index
4253 * @dtim_period: optional, overrides transmitted BSS dtim period
4254 * @dtim_count: optional, overrides transmitted BSS dtim count
4255 */
4256 struct ieee80211_bssid_index {
4257 u8 bssid_index;
4258 u8 dtim_period;
4259 u8 dtim_count;
4260 };
4261
4262 /**
4263 * struct ieee80211_multiple_bssid_configuration - multiple BSSID configuration
4264 * element structure
4265 *
4266 * This structure refers to "Multiple BSSID Configuration element"
4267 *
4268 * @bssid_count: total number of active BSSIDs in the set
4269 * @profile_periodicity: the least number of beacon frames need to be received
4270 * in order to discover all the nontransmitted BSSIDs in the set.
4271 */
4272 struct ieee80211_multiple_bssid_configuration {
4273 u8 bssid_count;
4274 u8 profile_periodicity;
4275 };
4276
4277 #define SUITE(oui, id) (((oui) << 8) | (id))
4278
4279 /* cipher suite selectors */
4280 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4281 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4282 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4283 /* reserved: SUITE(0x000FAC, 3) */
4284 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4285 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4286 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4287 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4288 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4289 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4290 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4291 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4292 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4293
4294 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4295
4296 /* AKM suite selectors */
4297 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4298 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4299 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4300 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4301 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4302 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4303 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4304 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4305 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4306 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4307 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4308 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4309 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4310 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4311 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4312 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4313 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4314 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4315 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4316 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4317
4318 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4319
4320 #define WLAN_MAX_KEY_LEN 32
4321
4322 #define WLAN_PMK_NAME_LEN 16
4323 #define WLAN_PMKID_LEN 16
4324 #define WLAN_PMK_LEN_EAP_LEAP 16
4325 #define WLAN_PMK_LEN 32
4326 #define WLAN_PMK_LEN_SUITE_B_192 48
4327
4328 #define WLAN_OUI_WFA 0x506f9a
4329 #define WLAN_OUI_TYPE_WFA_P2P 9
4330 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4331 #define WLAN_OUI_MICROSOFT 0x0050f2
4332 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4333 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4334 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4335 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4336
4337 /*
4338 * WMM/802.11e Tspec Element
4339 */
4340 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4341 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4342
4343 enum ieee80211_tspec_status_code {
4344 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4345 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4346 };
4347
4348 struct ieee80211_tspec_ie {
4349 u8 element_id;
4350 u8 len;
4351 u8 oui[3];
4352 u8 oui_type;
4353 u8 oui_subtype;
4354 u8 version;
4355 __le16 tsinfo;
4356 u8 tsinfo_resvd;
4357 __le16 nominal_msdu;
4358 __le16 max_msdu;
4359 __le32 min_service_int;
4360 __le32 max_service_int;
4361 __le32 inactivity_int;
4362 __le32 suspension_int;
4363 __le32 service_start_time;
4364 __le32 min_data_rate;
4365 __le32 mean_data_rate;
4366 __le32 peak_data_rate;
4367 __le32 max_burst_size;
4368 __le32 delay_bound;
4369 __le32 min_phy_rate;
4370 __le16 sba;
4371 __le16 medium_time;
4372 } __packed;
4373
4374 struct ieee80211_he_6ghz_capa {
4375 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4376 __le16 capa;
4377 } __packed;
4378
4379 /* HE 6 GHz band capabilities */
4380 /* uses enum ieee80211_min_mpdu_spacing values */
4381 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4382 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4383 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4384 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4385 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4386 /* WLAN_HT_CAP_SM_PS_* values */
4387 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4388 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4389 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4390 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4391
4392 /**
4393 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4394 * @hdr: the frame
4395 * Return: a pointer to the QoS control field in the frame header
4396 *
4397 * The qos ctrl bytes come after the frame_control, duration, seq_num
4398 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4399 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4400 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4401 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4402 {
4403 union {
4404 struct ieee80211_qos_hdr addr3;
4405 struct ieee80211_qos_hdr_4addr addr4;
4406 } *qos;
4407
4408 qos = (void *)hdr;
4409 if (ieee80211_has_a4(qos->addr3.frame_control))
4410 return (u8 *)&qos->addr4.qos_ctrl;
4411 else
4412 return (u8 *)&qos->addr3.qos_ctrl;
4413 }
4414
4415 /**
4416 * ieee80211_get_tid - get qos TID
4417 * @hdr: the frame
4418 * Return: the TID from the QoS control field
4419 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4420 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4421 {
4422 u8 *qc = ieee80211_get_qos_ctl(hdr);
4423
4424 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4425 }
4426
4427 /**
4428 * ieee80211_get_SA - get pointer to SA
4429 * @hdr: the frame
4430 * Return: a pointer to the source address (SA)
4431 *
4432 * Given an 802.11 frame, this function returns the offset
4433 * to the source address (SA). It does not verify that the
4434 * header is long enough to contain the address, and the
4435 * header must be long enough to contain the frame control
4436 * field.
4437 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4438 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4439 {
4440 if (ieee80211_has_a4(hdr->frame_control))
4441 return hdr->addr4;
4442 if (ieee80211_has_fromds(hdr->frame_control))
4443 return hdr->addr3;
4444 return hdr->addr2;
4445 }
4446
4447 /**
4448 * ieee80211_get_DA - get pointer to DA
4449 * @hdr: the frame
4450 * Return: a pointer to the destination address (DA)
4451 *
4452 * Given an 802.11 frame, this function returns the offset
4453 * to the destination address (DA). It does not verify that
4454 * the header is long enough to contain the address, and the
4455 * header must be long enough to contain the frame control
4456 * field.
4457 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4458 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4459 {
4460 if (ieee80211_has_tods(hdr->frame_control))
4461 return hdr->addr3;
4462 else
4463 return hdr->addr1;
4464 }
4465
4466 /**
4467 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4468 * @skb: the skb to check, starting with the 802.11 header
4469 * Return: whether or not the MMPDU is bufferable
4470 */
ieee80211_is_bufferable_mmpdu(struct sk_buff * skb)4471 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4472 {
4473 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4474 __le16 fc = mgmt->frame_control;
4475
4476 /*
4477 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4478 * note that this ignores the IBSS special case.
4479 */
4480 if (!ieee80211_is_mgmt(fc))
4481 return false;
4482
4483 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4484 return true;
4485
4486 if (!ieee80211_is_action(fc))
4487 return false;
4488
4489 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4490 return true;
4491
4492 /* action frame - additionally check for non-bufferable FTM */
4493
4494 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4495 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4496 return true;
4497
4498 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4499 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4500 return false;
4501
4502 return true;
4503 }
4504
4505 /**
4506 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4507 * @hdr: the frame (buffer must include at least the first octet of payload)
4508 * Return: whether or not the frame is a robust management frame
4509 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4510 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4511 {
4512 if (ieee80211_is_disassoc(hdr->frame_control) ||
4513 ieee80211_is_deauth(hdr->frame_control))
4514 return true;
4515
4516 if (ieee80211_is_action(hdr->frame_control)) {
4517 u8 *category;
4518
4519 /*
4520 * Action frames, excluding Public Action frames, are Robust
4521 * Management Frames. However, if we are looking at a Protected
4522 * frame, skip the check since the data may be encrypted and
4523 * the frame has already been found to be a Robust Management
4524 * Frame (by the other end).
4525 */
4526 if (ieee80211_has_protected(hdr->frame_control))
4527 return true;
4528 category = ((u8 *) hdr) + 24;
4529 return *category != WLAN_CATEGORY_PUBLIC &&
4530 *category != WLAN_CATEGORY_HT &&
4531 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4532 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4533 *category != WLAN_CATEGORY_UNPROT_DMG &&
4534 *category != WLAN_CATEGORY_VHT &&
4535 *category != WLAN_CATEGORY_S1G &&
4536 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4537 }
4538
4539 return false;
4540 }
4541
4542 /**
4543 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4544 * @skb: the skb containing the frame, length will be checked
4545 * Return: whether or not the frame is a robust management frame
4546 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4547 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4548 {
4549 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4550 return false;
4551 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4552 }
4553
4554 /**
4555 * ieee80211_is_public_action - check if frame is a public action frame
4556 * @hdr: the frame
4557 * @len: length of the frame
4558 * Return: whether or not the frame is a public action frame
4559 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4560 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4561 size_t len)
4562 {
4563 struct ieee80211_mgmt *mgmt = (void *)hdr;
4564
4565 if (len < IEEE80211_MIN_ACTION_SIZE)
4566 return false;
4567 if (!ieee80211_is_action(hdr->frame_control))
4568 return false;
4569 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4570 }
4571
4572 /**
4573 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4574 * protected dual of public action management frame
4575 * @skb: the skb containing the frame, length will be checked
4576 *
4577 * Return: true if the skb contains a protected dual of public action
4578 * management frame, false otherwise.
4579 */
4580 static inline bool
ieee80211_is_protected_dual_of_public_action(struct sk_buff * skb)4581 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4582 {
4583 u8 action;
4584
4585 if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4586 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4587 return false;
4588
4589 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4590
4591 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4592 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4593 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4594 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4595 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4596 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4597 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4598 action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
4599 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
4600 }
4601
4602 /**
4603 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4604 * privacy action frame
4605 * @hdr: the frame
4606 * Return: whether or not the frame is a group addressed privacy action frame
4607 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4608 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4609 {
4610 struct ieee80211_mgmt *mgmt = (void *)hdr;
4611
4612 if (!ieee80211_is_action(hdr->frame_control) ||
4613 !is_multicast_ether_addr(hdr->addr1))
4614 return false;
4615
4616 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4617 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4618 }
4619
4620 /**
4621 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4622 * privacy action frame
4623 * @skb: the skb containing the frame, length will be checked
4624 * Return: whether or not the frame is a group addressed privacy action frame
4625 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4626 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4627 {
4628 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4629 return false;
4630 return _ieee80211_is_group_privacy_action((void *)skb->data);
4631 }
4632
4633 /**
4634 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4635 * @tu: the TUs
4636 * Return: the time value converted to microseconds
4637 */
ieee80211_tu_to_usec(unsigned long tu)4638 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4639 {
4640 return 1024 * tu;
4641 }
4642
4643 /**
4644 * ieee80211_check_tim - check if AID bit is set in TIM
4645 * @tim: the TIM IE
4646 * @tim_len: length of the TIM IE
4647 * @aid: the AID to look for
4648 * Return: whether or not traffic is indicated in the TIM for the given AID
4649 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4650 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4651 u8 tim_len, u16 aid)
4652 {
4653 u8 mask;
4654 u8 index, indexn1, indexn2;
4655
4656 if (unlikely(!tim || tim_len < sizeof(*tim)))
4657 return false;
4658
4659 aid &= 0x3fff;
4660 index = aid / 8;
4661 mask = 1 << (aid & 7);
4662
4663 indexn1 = tim->bitmap_ctrl & 0xfe;
4664 indexn2 = tim_len + indexn1 - 4;
4665
4666 if (index < indexn1 || index > indexn2)
4667 return false;
4668
4669 index -= indexn1;
4670
4671 return !!(tim->virtual_map[index] & mask);
4672 }
4673
4674 /**
4675 * ieee80211_get_tdls_action - get TDLS action code
4676 * @skb: the skb containing the frame, length will not be checked
4677 * Return: the TDLS action code, or -1 if it's not an encapsulated TDLS action
4678 * frame
4679 *
4680 * This function assumes the frame is a data frame, and that the network header
4681 * is in the correct place.
4682 */
ieee80211_get_tdls_action(struct sk_buff * skb)4683 static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4684 {
4685 if (!skb_is_nonlinear(skb) &&
4686 skb->len > (skb_network_offset(skb) + 2)) {
4687 /* Point to where the indication of TDLS should start */
4688 const u8 *tdls_data = skb_network_header(skb) - 2;
4689
4690 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4691 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4692 tdls_data[3] == WLAN_CATEGORY_TDLS)
4693 return tdls_data[4];
4694 }
4695
4696 return -1;
4697 }
4698
4699 /* convert time units */
4700 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4701 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4702
4703 /* convert frequencies */
4704 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4705 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4706 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4707 #define KHZ_F "%d.%03d"
4708
4709 /* convert powers */
4710 #define DBI_TO_MBI(gain) ((gain) * 100)
4711 #define MBI_TO_DBI(gain) ((gain) / 100)
4712 #define DBM_TO_MBM(gain) ((gain) * 100)
4713 #define MBM_TO_DBM(gain) ((gain) / 100)
4714
4715 /**
4716 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4717 * @skb: the skb containing the frame, length will be checked
4718 * Return: %true if the frame contains a TPC element, %false otherwise
4719 *
4720 * This function checks if it's either TPC report action frame or Link
4721 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4722 * and 8.5.7.5 accordingly.
4723 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4724 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4725 {
4726 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4727
4728 if (!ieee80211_is_action(mgmt->frame_control))
4729 return false;
4730
4731 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4732 sizeof(mgmt->u.action.u.tpc_report))
4733 return false;
4734
4735 /*
4736 * TPC report - check that:
4737 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4738 * spectrum management action = 3 (TPC/Link Measurement report)
4739 * TPC report EID = 35
4740 * TPC report element length = 2
4741 *
4742 * The spectrum management's tpc_report struct is used here both for
4743 * parsing tpc_report and radio measurement's link measurement report
4744 * frame, since the relevant part is identical in both frames.
4745 */
4746 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4747 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4748 return false;
4749
4750 /* both spectrum mgmt and link measurement have same action code */
4751 if (mgmt->u.action.u.tpc_report.action_code !=
4752 WLAN_ACTION_SPCT_TPC_RPRT)
4753 return false;
4754
4755 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4756 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4757 sizeof(struct ieee80211_tpc_report_ie))
4758 return false;
4759
4760 return true;
4761 }
4762
4763 /**
4764 * ieee80211_is_timing_measurement - check if frame is timing measurement response
4765 * @skb: the SKB to check
4766 * Return: whether or not the frame is a valid timing measurement response
4767 */
ieee80211_is_timing_measurement(struct sk_buff * skb)4768 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4769 {
4770 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4771
4772 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4773 return false;
4774
4775 if (!ieee80211_is_action(mgmt->frame_control))
4776 return false;
4777
4778 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4779 mgmt->u.action.u.wnm_timing_msr.action_code ==
4780 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4781 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4782 return true;
4783
4784 return false;
4785 }
4786
4787 /**
4788 * ieee80211_is_ftm - check if frame is FTM response
4789 * @skb: the SKB to check
4790 * Return: whether or not the frame is a valid FTM response action frame
4791 */
ieee80211_is_ftm(struct sk_buff * skb)4792 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4793 {
4794 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4795
4796 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4797 return false;
4798
4799 if (mgmt->u.action.u.ftm.action_code ==
4800 WLAN_PUB_ACTION_FTM_RESPONSE &&
4801 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4802 return true;
4803
4804 return false;
4805 }
4806
4807 struct element {
4808 u8 id;
4809 u8 datalen;
4810 u8 data[];
4811 } __packed;
4812
4813 /* element iteration helpers */
4814 #define for_each_element(_elem, _data, _datalen) \
4815 for (_elem = (const struct element *)(_data); \
4816 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4817 (int)sizeof(*_elem) && \
4818 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4819 (int)sizeof(*_elem) + _elem->datalen; \
4820 _elem = (const struct element *)(_elem->data + _elem->datalen))
4821
4822 #define for_each_element_id(element, _id, data, datalen) \
4823 for_each_element(element, data, datalen) \
4824 if (element->id == (_id))
4825
4826 #define for_each_element_extid(element, extid, _data, _datalen) \
4827 for_each_element(element, _data, _datalen) \
4828 if (element->id == WLAN_EID_EXTENSION && \
4829 element->datalen > 0 && \
4830 element->data[0] == (extid))
4831
4832 #define for_each_subelement(sub, element) \
4833 for_each_element(sub, (element)->data, (element)->datalen)
4834
4835 #define for_each_subelement_id(sub, id, element) \
4836 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4837
4838 #define for_each_subelement_extid(sub, extid, element) \
4839 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4840
4841 /**
4842 * for_each_element_completed - determine if element parsing consumed all data
4843 * @element: element pointer after for_each_element() or friends
4844 * @data: same data pointer as passed to for_each_element() or friends
4845 * @datalen: same data length as passed to for_each_element() or friends
4846 * Return: %true if all elements were iterated, %false otherwise; see notes
4847 *
4848 * This function returns %true if all the data was parsed or considered
4849 * while walking the elements. Only use this if your for_each_element()
4850 * loop cannot be broken out of, otherwise it always returns %false.
4851 *
4852 * If some data was malformed, this returns %false since the last parsed
4853 * element will not fill the whole remaining data.
4854 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4855 static inline bool for_each_element_completed(const struct element *element,
4856 const void *data, size_t datalen)
4857 {
4858 return (const u8 *)element == (const u8 *)data + datalen;
4859 }
4860
4861 /*
4862 * RSNX Capabilities:
4863 * bits 0-3: Field length (n-1)
4864 */
4865 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4866 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4867
4868 /*
4869 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4870 * section 9.4.2.170 and accepted contributions.
4871 */
4872 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4873 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4874 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4875 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4876 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4877 #define IEEE80211_TBTT_INFO_TYPE_MLD 1
4878
4879 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4880 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4881 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4882 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4883 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4884 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4885 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4886
4887 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4888 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4889
4890 struct ieee80211_neighbor_ap_info {
4891 u8 tbtt_info_hdr;
4892 u8 tbtt_info_len;
4893 u8 op_class;
4894 u8 channel;
4895 } __packed;
4896
4897 enum ieee80211_range_params_max_total_ltf {
4898 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4899 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4900 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4901 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4902 };
4903
4904 /*
4905 * reduced neighbor report, based on Draft P802.11be_D3.0,
4906 * section 9.4.2.170.2.
4907 */
4908 struct ieee80211_rnr_mld_params {
4909 u8 mld_id;
4910 __le16 params;
4911 } __packed;
4912
4913 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4914 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4915 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4916 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4917
4918 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4919 struct ieee80211_tbtt_info_7_8_9 {
4920 u8 tbtt_offset;
4921 u8 bssid[ETH_ALEN];
4922
4923 /* The following element is optional, structure may not grow */
4924 u8 bss_params;
4925 s8 psd_20;
4926 } __packed;
4927
4928 /* Format of the TBTT information element if it has >= 11 bytes */
4929 struct ieee80211_tbtt_info_ge_11 {
4930 u8 tbtt_offset;
4931 u8 bssid[ETH_ALEN];
4932 __le32 short_ssid;
4933
4934 /* The following elements are optional, structure may grow */
4935 u8 bss_params;
4936 s8 psd_20;
4937 struct ieee80211_rnr_mld_params mld_params;
4938 } __packed;
4939
4940 /* multi-link device */
4941 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4942
4943 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4944 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4945 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4946 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4947 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4948 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4949 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4950
4951 struct ieee80211_multi_link_elem {
4952 __le16 control;
4953 u8 variable[];
4954 } __packed;
4955
4956 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4957 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4958 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4959 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4960 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4961 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4962
4963 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4964 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4965 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4966
4967 /*
4968 * Described in P802.11be_D3.0
4969 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4970 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4971 * dot11MSDTXOPMAX defaults to 1
4972 */
4973 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
4974
4975 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4976 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4977 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4978 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4979 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4980 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4981 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4982 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4983 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4984 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4985 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4986 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4987 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4988 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4989 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4990 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4991 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4992 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4993 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4994 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4995 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4996 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4997 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4998 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4999 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
5000 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
5001 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
5002 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
5003 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
5004 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
5005 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
5006 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
5007 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
5008 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
5009
5010 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
5011 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
5012 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
5013 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0
5014 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1
5015 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2
5016 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3
5017 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
5018 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
5019
5020 struct ieee80211_mle_basic_common_info {
5021 u8 len;
5022 u8 mld_mac_addr[ETH_ALEN];
5023 u8 variable[];
5024 } __packed;
5025
5026 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
5027
5028 struct ieee80211_mle_preq_common_info {
5029 u8 len;
5030 u8 variable[];
5031 } __packed;
5032
5033 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
5034
5035 /* no fixed fields in RECONF */
5036
5037 struct ieee80211_mle_tdls_common_info {
5038 u8 len;
5039 u8 ap_mld_mac_addr[ETH_ALEN];
5040 } __packed;
5041
5042 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
5043
5044 /* no fixed fields in PRIO_ACCESS */
5045
5046 /**
5047 * ieee80211_mle_common_size - check multi-link element common size
5048 * @data: multi-link element, must already be checked for size using
5049 * ieee80211_mle_size_ok()
5050 * Return: the size of the multi-link element's "common" subfield
5051 */
ieee80211_mle_common_size(const u8 * data)5052 static inline u8 ieee80211_mle_common_size(const u8 *data)
5053 {
5054 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5055 u16 control = le16_to_cpu(mle->control);
5056 u8 common = 0;
5057
5058 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5059 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5060 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5061 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5062 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5063 /*
5064 * The length is the first octet pointed by mle->variable so no
5065 * need to add anything
5066 */
5067 break;
5068 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5069 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5070 common += ETH_ALEN;
5071 return common;
5072 default:
5073 WARN_ON(1);
5074 return 0;
5075 }
5076
5077 return sizeof(*mle) + common + mle->variable[0];
5078 }
5079
5080 /**
5081 * ieee80211_mle_get_link_id - returns the link ID
5082 * @data: the basic multi link element
5083 * Return: the link ID, or -1 if not present
5084 *
5085 * The element is assumed to be of the correct type (BASIC) and big enough,
5086 * this must be checked using ieee80211_mle_type_ok().
5087 */
ieee80211_mle_get_link_id(const u8 * data)5088 static inline int ieee80211_mle_get_link_id(const u8 *data)
5089 {
5090 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5091 u16 control = le16_to_cpu(mle->control);
5092 const u8 *common = mle->variable;
5093
5094 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5095 common += sizeof(struct ieee80211_mle_basic_common_info);
5096
5097 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID))
5098 return -1;
5099
5100 return *common;
5101 }
5102
5103 /**
5104 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
5105 * @data: pointer to the basic multi link element
5106 * Return: the BSS Parameter Change Count field value, or -1 if not present
5107 *
5108 * The element is assumed to be of the correct type (BASIC) and big enough,
5109 * this must be checked using ieee80211_mle_type_ok().
5110 */
5111 static inline int
ieee80211_mle_get_bss_param_ch_cnt(const u8 * data)5112 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data)
5113 {
5114 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5115 u16 control = le16_to_cpu(mle->control);
5116 const u8 *common = mle->variable;
5117
5118 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5119 common += sizeof(struct ieee80211_mle_basic_common_info);
5120
5121 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
5122 return -1;
5123
5124 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5125 common += 1;
5126
5127 return *common;
5128 }
5129
5130 /**
5131 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
5132 * @data: pointer to the multi-link element
5133 * Return: the medium synchronization delay field value from the multi-link
5134 * element, or the default value (%IEEE80211_MED_SYNC_DELAY_DEFAULT)
5135 * if not present
5136 *
5137 * The element is assumed to be of the correct type (BASIC) and big enough,
5138 * this must be checked using ieee80211_mle_type_ok().
5139 */
ieee80211_mle_get_eml_med_sync_delay(const u8 * data)5140 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
5141 {
5142 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5143 u16 control = le16_to_cpu(mle->control);
5144 const u8 *common = mle->variable;
5145
5146 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5147 common += sizeof(struct ieee80211_mle_basic_common_info);
5148
5149 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
5150 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
5151
5152 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5153 common += 1;
5154 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5155 common += 1;
5156
5157 return get_unaligned_le16(common);
5158 }
5159
5160 /**
5161 * ieee80211_mle_get_eml_cap - returns the EML capability
5162 * @data: pointer to the multi-link element
5163 * Return: the EML capability field value from the multi-link element,
5164 * or 0 if not present
5165 *
5166 * The element is assumed to be of the correct type (BASIC) and big enough,
5167 * this must be checked using ieee80211_mle_type_ok().
5168 */
ieee80211_mle_get_eml_cap(const u8 * data)5169 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
5170 {
5171 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5172 u16 control = le16_to_cpu(mle->control);
5173 const u8 *common = mle->variable;
5174
5175 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5176 common += sizeof(struct ieee80211_mle_basic_common_info);
5177
5178 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
5179 return 0;
5180
5181 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5182 common += 1;
5183 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5184 common += 1;
5185 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5186 common += 2;
5187
5188 return get_unaligned_le16(common);
5189 }
5190
5191 /**
5192 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations.
5193 * @data: pointer to the multi-link element
5194 * Return: the MLD capabilities and operations field value from the multi-link
5195 * element, or 0 if not present
5196 *
5197 * The element is assumed to be of the correct type (BASIC) and big enough,
5198 * this must be checked using ieee80211_mle_type_ok().
5199 */
ieee80211_mle_get_mld_capa_op(const u8 * data)5200 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data)
5201 {
5202 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5203 u16 control = le16_to_cpu(mle->control);
5204 const u8 *common = mle->variable;
5205
5206 /*
5207 * common points now at the beginning of
5208 * ieee80211_mle_basic_common_info
5209 */
5210 common += sizeof(struct ieee80211_mle_basic_common_info);
5211
5212 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
5213 return 0;
5214
5215 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5216 common += 1;
5217 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5218 common += 1;
5219 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5220 common += 2;
5221 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5222 common += 2;
5223
5224 return get_unaligned_le16(common);
5225 }
5226
5227 /**
5228 * ieee80211_mle_get_mld_id - returns the MLD ID
5229 * @data: pointer to the multi-link element
5230 * Return: The MLD ID in the given multi-link element, or 0 if not present
5231 *
5232 * The element is assumed to be of the correct type (BASIC) and big enough,
5233 * this must be checked using ieee80211_mle_type_ok().
5234 */
ieee80211_mle_get_mld_id(const u8 * data)5235 static inline u8 ieee80211_mle_get_mld_id(const u8 *data)
5236 {
5237 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5238 u16 control = le16_to_cpu(mle->control);
5239 const u8 *common = mle->variable;
5240
5241 /*
5242 * common points now at the beginning of
5243 * ieee80211_mle_basic_common_info
5244 */
5245 common += sizeof(struct ieee80211_mle_basic_common_info);
5246
5247 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID))
5248 return 0;
5249
5250 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5251 common += 1;
5252 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5253 common += 1;
5254 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5255 common += 2;
5256 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5257 common += 2;
5258 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5259 common += 2;
5260
5261 return *common;
5262 }
5263
5264 /**
5265 * ieee80211_mle_size_ok - validate multi-link element size
5266 * @data: pointer to the element data
5267 * @len: length of the containing element
5268 * Return: whether or not the multi-link element size is OK
5269 */
ieee80211_mle_size_ok(const u8 * data,size_t len)5270 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5271 {
5272 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5273 u8 fixed = sizeof(*mle);
5274 u8 common = 0;
5275 bool check_common_len = false;
5276 u16 control;
5277
5278 if (!data || len < fixed)
5279 return false;
5280
5281 control = le16_to_cpu(mle->control);
5282
5283 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5284 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5285 common += sizeof(struct ieee80211_mle_basic_common_info);
5286 check_common_len = true;
5287 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5288 common += 1;
5289 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5290 common += 1;
5291 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5292 common += 2;
5293 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5294 common += 2;
5295 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5296 common += 2;
5297 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5298 common += 1;
5299 break;
5300 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5301 common += sizeof(struct ieee80211_mle_preq_common_info);
5302 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5303 common += 1;
5304 check_common_len = true;
5305 break;
5306 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5307 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5308 common += ETH_ALEN;
5309 break;
5310 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5311 common += sizeof(struct ieee80211_mle_tdls_common_info);
5312 check_common_len = true;
5313 break;
5314 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5315 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5316 common += ETH_ALEN;
5317 break;
5318 default:
5319 /* we don't know this type */
5320 return true;
5321 }
5322
5323 if (len < fixed + common)
5324 return false;
5325
5326 if (!check_common_len)
5327 return true;
5328
5329 /* if present, common length is the first octet there */
5330 return mle->variable[0] >= common;
5331 }
5332
5333 /**
5334 * ieee80211_mle_type_ok - validate multi-link element type and size
5335 * @data: pointer to the element data
5336 * @type: expected type of the element
5337 * @len: length of the containing element
5338 * Return: whether or not the multi-link element type matches and size is OK
5339 */
ieee80211_mle_type_ok(const u8 * data,u8 type,size_t len)5340 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5341 {
5342 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5343 u16 control;
5344
5345 if (!ieee80211_mle_size_ok(data, len))
5346 return false;
5347
5348 control = le16_to_cpu(mle->control);
5349
5350 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5351 return true;
5352
5353 return false;
5354 }
5355
5356 enum ieee80211_mle_subelems {
5357 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5358 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5359 };
5360
5361 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5362 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5363 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5364 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5365 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5366 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5367 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5368 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5369 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5370
5371 struct ieee80211_mle_per_sta_profile {
5372 __le16 control;
5373 u8 sta_info_len;
5374 u8 variable[];
5375 } __packed;
5376
5377 /**
5378 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5379 * profile size
5380 * @data: pointer to the sub element data
5381 * @len: length of the containing sub element
5382 * Return: %true if the STA profile is large enough, %false otherwise
5383 */
ieee80211_mle_basic_sta_prof_size_ok(const u8 * data,size_t len)5384 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5385 size_t len)
5386 {
5387 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5388 u16 control;
5389 u8 fixed = sizeof(*prof);
5390 u8 info_len = 1;
5391
5392 if (len < fixed)
5393 return false;
5394
5395 control = le16_to_cpu(prof->control);
5396
5397 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5398 info_len += 6;
5399 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5400 info_len += 2;
5401 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5402 info_len += 8;
5403 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5404 info_len += 2;
5405 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5406 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5407 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5408 info_len += 2;
5409 else
5410 info_len += 1;
5411 }
5412 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5413 info_len += 1;
5414
5415 return prof->sta_info_len >= info_len &&
5416 fixed + prof->sta_info_len - 1 <= len;
5417 }
5418
5419 /**
5420 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5421 * parameter change count
5422 * @prof: the per-STA profile, having been checked with
5423 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5424 *
5425 * Return: The BSS parameter change count value if present, 0 otherwise.
5426 */
5427 static inline u8
ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile * prof)5428 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5429 {
5430 u16 control = le16_to_cpu(prof->control);
5431 const u8 *pos = prof->variable;
5432
5433 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5434 return 0;
5435
5436 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5437 pos += 6;
5438 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5439 pos += 2;
5440 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5441 pos += 8;
5442 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5443 pos += 2;
5444 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5445 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5446 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5447 pos += 2;
5448 else
5449 pos += 1;
5450 }
5451
5452 return *pos;
5453 }
5454
5455 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5456 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5457 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5458 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5459 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
5460 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5461
5462 /**
5463 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5464 * element sta profile size.
5465 * @data: pointer to the sub element data
5466 * @len: length of the containing sub element
5467 * Return: %true if the STA profile is large enough, %false otherwise
5468 */
ieee80211_mle_reconf_sta_prof_size_ok(const u8 * data,size_t len)5469 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5470 size_t len)
5471 {
5472 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5473 u16 control;
5474 u8 fixed = sizeof(*prof);
5475 u8 info_len = 1;
5476
5477 if (len < fixed)
5478 return false;
5479
5480 control = le16_to_cpu(prof->control);
5481
5482 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5483 info_len += ETH_ALEN;
5484 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5485 info_len += 2;
5486 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5487 info_len += 2;
5488
5489 return prof->sta_info_len >= info_len &&
5490 fixed + prof->sta_info_len - 1 <= len;
5491 }
5492
ieee80211_tid_to_link_map_size_ok(const u8 * data,size_t len)5493 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5494 {
5495 const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5496 u8 control, fixed = sizeof(*t2l), elem_len = 0;
5497
5498 if (len < fixed)
5499 return false;
5500
5501 control = t2l->control;
5502
5503 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5504 elem_len += 2;
5505 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5506 elem_len += 3;
5507
5508 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5509 u8 bm_size;
5510
5511 elem_len += 1;
5512 if (len < fixed + elem_len)
5513 return false;
5514
5515 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5516 bm_size = 1;
5517 else
5518 bm_size = 2;
5519
5520 elem_len += hweight8(t2l->optional[0]) * bm_size;
5521 }
5522
5523 return len >= fixed + elem_len;
5524 }
5525
5526 #define for_each_mle_subelement(_elem, _data, _len) \
5527 if (ieee80211_mle_size_ok(_data, _len)) \
5528 for_each_element(_elem, \
5529 _data + ieee80211_mle_common_size(_data),\
5530 _len - ieee80211_mle_common_size(_data))
5531
5532 #endif /* LINUX_IEEE80211_H */
5533