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 * <[email protected]>
7 * Copyright (c) 2002-2003, Jouni Malinen <[email protected]>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <[email protected]>
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 <linux/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 /* followed by BA Extension */
1449 u8 variable[];
1450 } __packed addba_resp;
1451 struct{
1452 u8 action_code;
1453 __le16 params;
1454 __le16 reason_code;
1455 } __packed delba;
1456 struct {
1457 u8 action_code;
1458 u8 variable[];
1459 } __packed self_prot;
1460 struct{
1461 u8 action_code;
1462 u8 variable[];
1463 } __packed mesh_action;
1464 struct {
1465 u8 action;
1466 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1467 } __packed sa_query;
1468 struct {
1469 u8 action;
1470 u8 smps_control;
1471 } __packed ht_smps;
1472 struct {
1473 u8 action_code;
1474 u8 chanwidth;
1475 } __packed ht_notify_cw;
1476 struct {
1477 u8 action_code;
1478 u8 dialog_token;
1479 __le16 capability;
1480 u8 variable[0];
1481 } __packed tdls_discover_resp;
1482 struct {
1483 u8 action_code;
1484 u8 operating_mode;
1485 } __packed vht_opmode_notif;
1486 struct {
1487 u8 action_code;
1488 u8 membership[WLAN_MEMBERSHIP_LEN];
1489 u8 position[WLAN_USER_POSITION_LEN];
1490 } __packed vht_group_notif;
1491 struct {
1492 u8 action_code;
1493 u8 dialog_token;
1494 u8 tpc_elem_id;
1495 u8 tpc_elem_length;
1496 struct ieee80211_tpc_report_ie tpc;
1497 } __packed tpc_report;
1498 struct {
1499 u8 action_code;
1500 u8 dialog_token;
1501 u8 follow_up;
1502 u8 tod[6];
1503 u8 toa[6];
1504 __le16 tod_error;
1505 __le16 toa_error;
1506 u8 variable[];
1507 } __packed ftm;
1508 struct {
1509 u8 action_code;
1510 u8 variable[];
1511 } __packed s1g;
1512 struct {
1513 u8 action_code;
1514 u8 dialog_token;
1515 u8 follow_up;
1516 u32 tod;
1517 u32 toa;
1518 u8 max_tod_error;
1519 u8 max_toa_error;
1520 } __packed wnm_timing_msr;
1521 struct {
1522 u8 action_code;
1523 u8 dialog_token;
1524 u8 variable[];
1525 } __packed ttlm_req;
1526 struct {
1527 u8 action_code;
1528 u8 dialog_token;
1529 u8 status_code;
1530 u8 variable[];
1531 } __packed ttlm_res;
1532 struct {
1533 u8 action_code;
1534 } __packed ttlm_tear_down;
1535 struct {
1536 u8 action_code;
1537 u8 dialog_token;
1538 u8 variable[];
1539 } __packed ml_reconf_req;
1540 struct {
1541 u8 action_code;
1542 u8 dialog_token;
1543 u8 count;
1544 u8 variable[];
1545 } __packed ml_reconf_resp;
1546 } u;
1547 } __packed action;
1548 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1549 } u;
1550 } __packed __aligned(2);
1551
1552 /* Supported rates membership selectors */
1553 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1554 #define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1555 #define BSS_MEMBERSHIP_SELECTOR_GLK 125
1556 #define BSS_MEMBERSHIP_SELECTOR_EPD 124
1557 #define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1558 #define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1559 #define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1560
1561 #define BSS_MEMBERSHIP_SELECTOR_MIN BSS_MEMBERSHIP_SELECTOR_EHT_PHY
1562
1563 /* mgmt header + 1 byte category code */
1564 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1565
1566
1567 /* Management MIC information element (IEEE 802.11w) */
1568 struct ieee80211_mmie {
1569 u8 element_id;
1570 u8 length;
1571 __le16 key_id;
1572 u8 sequence_number[6];
1573 u8 mic[8];
1574 } __packed;
1575
1576 /* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1577 struct ieee80211_mmie_16 {
1578 u8 element_id;
1579 u8 length;
1580 __le16 key_id;
1581 u8 sequence_number[6];
1582 u8 mic[16];
1583 } __packed;
1584
1585 struct ieee80211_vendor_ie {
1586 u8 element_id;
1587 u8 len;
1588 u8 oui[3];
1589 u8 oui_type;
1590 } __packed;
1591
1592 struct ieee80211_wmm_ac_param {
1593 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1594 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1595 __le16 txop_limit;
1596 } __packed;
1597
1598 struct ieee80211_wmm_param_ie {
1599 u8 element_id; /* Element ID: 221 (0xdd); */
1600 u8 len; /* Length: 24 */
1601 /* required fields for WMM version 1 */
1602 u8 oui[3]; /* 00:50:f2 */
1603 u8 oui_type; /* 2 */
1604 u8 oui_subtype; /* 1 */
1605 u8 version; /* 1 for WMM version 1.0 */
1606 u8 qos_info; /* AP/STA specific QoS info */
1607 u8 reserved; /* 0 */
1608 /* AC_BE, AC_BK, AC_VI, AC_VO */
1609 struct ieee80211_wmm_ac_param ac[4];
1610 } __packed;
1611
1612 /* Control frames */
1613 struct ieee80211_rts {
1614 __le16 frame_control;
1615 __le16 duration;
1616 u8 ra[ETH_ALEN];
1617 u8 ta[ETH_ALEN];
1618 } __packed __aligned(2);
1619
1620 struct ieee80211_cts {
1621 __le16 frame_control;
1622 __le16 duration;
1623 u8 ra[ETH_ALEN];
1624 } __packed __aligned(2);
1625
1626 struct ieee80211_pspoll {
1627 __le16 frame_control;
1628 __le16 aid;
1629 u8 bssid[ETH_ALEN];
1630 u8 ta[ETH_ALEN];
1631 } __packed __aligned(2);
1632
1633 /* TDLS */
1634
1635 /* Channel switch timing */
1636 struct ieee80211_ch_switch_timing {
1637 __le16 switch_time;
1638 __le16 switch_timeout;
1639 } __packed;
1640
1641 /* Link-id information element */
1642 struct ieee80211_tdls_lnkie {
1643 u8 ie_type; /* Link Identifier IE */
1644 u8 ie_len;
1645 u8 bssid[ETH_ALEN];
1646 u8 init_sta[ETH_ALEN];
1647 u8 resp_sta[ETH_ALEN];
1648 } __packed;
1649
1650 struct ieee80211_tdls_data {
1651 u8 da[ETH_ALEN];
1652 u8 sa[ETH_ALEN];
1653 __be16 ether_type;
1654 u8 payload_type;
1655 u8 category;
1656 u8 action_code;
1657 union {
1658 struct {
1659 u8 dialog_token;
1660 __le16 capability;
1661 u8 variable[0];
1662 } __packed setup_req;
1663 struct {
1664 __le16 status_code;
1665 u8 dialog_token;
1666 __le16 capability;
1667 u8 variable[0];
1668 } __packed setup_resp;
1669 struct {
1670 __le16 status_code;
1671 u8 dialog_token;
1672 u8 variable[0];
1673 } __packed setup_cfm;
1674 struct {
1675 __le16 reason_code;
1676 u8 variable[0];
1677 } __packed teardown;
1678 struct {
1679 u8 dialog_token;
1680 u8 variable[0];
1681 } __packed discover_req;
1682 struct {
1683 u8 target_channel;
1684 u8 oper_class;
1685 u8 variable[0];
1686 } __packed chan_switch_req;
1687 struct {
1688 __le16 status_code;
1689 u8 variable[0];
1690 } __packed chan_switch_resp;
1691 } u;
1692 } __packed;
1693
1694 /*
1695 * Peer-to-Peer IE attribute related definitions.
1696 */
1697 /*
1698 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1699 */
1700 enum ieee80211_p2p_attr_id {
1701 IEEE80211_P2P_ATTR_STATUS = 0,
1702 IEEE80211_P2P_ATTR_MINOR_REASON,
1703 IEEE80211_P2P_ATTR_CAPABILITY,
1704 IEEE80211_P2P_ATTR_DEVICE_ID,
1705 IEEE80211_P2P_ATTR_GO_INTENT,
1706 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1707 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1708 IEEE80211_P2P_ATTR_GROUP_BSSID,
1709 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1710 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1711 IEEE80211_P2P_ATTR_MANAGABILITY,
1712 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1713 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1714 IEEE80211_P2P_ATTR_DEVICE_INFO,
1715 IEEE80211_P2P_ATTR_GROUP_INFO,
1716 IEEE80211_P2P_ATTR_GROUP_ID,
1717 IEEE80211_P2P_ATTR_INTERFACE,
1718 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1719 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1720 /* 19 - 220: Reserved */
1721 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1722
1723 IEEE80211_P2P_ATTR_MAX
1724 };
1725
1726 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1727 /* Typical max value used here */
1728 #define IEEE80211_P2P_NOA_DESC_MAX 4
1729
1730 struct ieee80211_p2p_noa_desc {
1731 u8 count;
1732 __le32 duration;
1733 __le32 interval;
1734 __le32 start_time;
1735 } __packed;
1736
1737 struct ieee80211_p2p_noa_attr {
1738 u8 index;
1739 u8 oppps_ctwindow;
1740 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1741 } __packed;
1742
1743 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1744 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1745
1746 /**
1747 * struct ieee80211_bar - Block Ack Request frame format
1748 * @frame_control: Frame Control
1749 * @duration: Duration
1750 * @ra: RA
1751 * @ta: TA
1752 * @control: BAR Control
1753 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1754 *
1755 * This structure represents the "BlockAckReq frame format"
1756 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1757 */
1758 struct ieee80211_bar {
1759 __le16 frame_control;
1760 __le16 duration;
1761 __u8 ra[ETH_ALEN];
1762 __u8 ta[ETH_ALEN];
1763 __le16 control;
1764 __le16 start_seq_num;
1765 } __packed;
1766
1767 /* 802.11 BAR control masks */
1768 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1769 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1770 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1771 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1772 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1773
1774 #define IEEE80211_HT_MCS_MASK_LEN 10
1775
1776 /**
1777 * struct ieee80211_mcs_info - Supported MCS Set field
1778 * @rx_mask: RX mask
1779 * @rx_highest: highest supported RX rate. If set represents
1780 * the highest supported RX data rate in units of 1 Mbps.
1781 * If this field is 0 this value should not be used to
1782 * consider the highest RX data rate supported.
1783 * @tx_params: TX parameters
1784 * @reserved: Reserved bits
1785 *
1786 * This structure represents the "Supported MCS Set field" as
1787 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1788 */
1789 struct ieee80211_mcs_info {
1790 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1791 __le16 rx_highest;
1792 u8 tx_params;
1793 u8 reserved[3];
1794 } __packed;
1795
1796 /* 802.11n HT capability MSC set */
1797 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1798 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1799 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1800 /* value 0 == 1 stream etc */
1801 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1802 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1803 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1804 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1805
1806 #define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1807
1808 /*
1809 * 802.11n D5.0 20.3.5 / 20.6 says:
1810 * - indices 0 to 7 and 32 are single spatial stream
1811 * - 8 to 31 are multiple spatial streams using equal modulation
1812 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1813 * - remainder are multiple spatial streams using unequal modulation
1814 */
1815 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1816 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1817 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1818
1819 /**
1820 * struct ieee80211_ht_cap - HT capabilities element
1821 * @cap_info: HT Capability Information
1822 * @ampdu_params_info: A-MPDU Parameters
1823 * @mcs: Supported MCS Set
1824 * @extended_ht_cap_info: HT Extended Capabilities
1825 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1826 * @antenna_selection_info: ASEL Capability
1827 *
1828 * This structure represents the payload of the "HT Capabilities
1829 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1830 */
1831 struct ieee80211_ht_cap {
1832 __le16 cap_info;
1833 u8 ampdu_params_info;
1834
1835 /* 16 bytes MCS information */
1836 struct ieee80211_mcs_info mcs;
1837
1838 __le16 extended_ht_cap_info;
1839 __le32 tx_BF_cap_info;
1840 u8 antenna_selection_info;
1841 } __packed;
1842
1843 /* 802.11n HT capabilities masks (for cap_info) */
1844 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1845 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1846 #define IEEE80211_HT_CAP_SM_PS 0x000C
1847 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1848 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1849 #define IEEE80211_HT_CAP_SGI_20 0x0020
1850 #define IEEE80211_HT_CAP_SGI_40 0x0040
1851 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1852 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1853 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1854 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1855 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1856 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1857 #define IEEE80211_HT_CAP_RESERVED 0x2000
1858 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1859 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1860
1861 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1862 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1863 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1864 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1865 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1866 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1867 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1868 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1869
1870 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1871 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1872 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1873 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1874
1875 /*
1876 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1877 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1878 */
1879 enum ieee80211_max_ampdu_length_exp {
1880 IEEE80211_HT_MAX_AMPDU_8K = 0,
1881 IEEE80211_HT_MAX_AMPDU_16K = 1,
1882 IEEE80211_HT_MAX_AMPDU_32K = 2,
1883 IEEE80211_HT_MAX_AMPDU_64K = 3
1884 };
1885
1886 /*
1887 * Maximum length of AMPDU that the STA can receive in VHT.
1888 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1889 */
1890 enum ieee80211_vht_max_ampdu_length_exp {
1891 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1892 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1893 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1894 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1895 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1896 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1897 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1898 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1899 };
1900
1901 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1902
1903 /* Minimum MPDU start spacing */
1904 enum ieee80211_min_mpdu_spacing {
1905 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1906 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1907 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1908 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1909 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1910 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1911 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1912 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1913 };
1914
1915 /**
1916 * struct ieee80211_ht_operation - HT operation IE
1917 * @primary_chan: Primary Channel
1918 * @ht_param: HT Operation Information parameters
1919 * @operation_mode: HT Operation Information operation mode
1920 * @stbc_param: HT Operation Information STBC params
1921 * @basic_set: Basic HT-MCS Set
1922 *
1923 * This structure represents the payload of the "HT Operation
1924 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1925 */
1926 struct ieee80211_ht_operation {
1927 u8 primary_chan;
1928 u8 ht_param;
1929 __le16 operation_mode;
1930 __le16 stbc_param;
1931 u8 basic_set[16];
1932 } __packed;
1933
1934 /* for ht_param */
1935 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1936 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1937 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1938 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1939 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1940 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1941
1942 /* for operation_mode */
1943 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1944 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1945 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1946 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1947 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1948 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1949 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1950 #define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1951 #define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1952
1953 /* for stbc_param */
1954 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1955 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1956 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1957 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1958 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1959 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1960
1961
1962 /* block-ack parameters */
1963 #define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1964 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1965 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1966 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1967 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1968 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1969
1970 /*
1971 * A-MPDU buffer sizes
1972 * According to HT size varies from 8 to 64 frames
1973 * HE adds the ability to have up to 256 frames.
1974 * EHT adds the ability to have up to 1K frames.
1975 */
1976 #define IEEE80211_MIN_AMPDU_BUF 0x8
1977 #define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1978 #define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1979 #define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1980
1981
1982 /* Spatial Multiplexing Power Save Modes (for capability) */
1983 #define WLAN_HT_CAP_SM_PS_STATIC 0
1984 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1985 #define WLAN_HT_CAP_SM_PS_INVALID 2
1986 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1987
1988 /* for SM power control field lower two bits */
1989 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1990 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1991 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1992
1993 /**
1994 * struct ieee80211_vht_mcs_info - VHT MCS information
1995 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1996 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1997 * STA can receive. Rate expressed in units of 1 Mbps.
1998 * If this field is 0 this value should not be used to
1999 * consider the highest RX data rate supported.
2000 * The top 3 bits of this field indicate the Maximum NSTS,total
2001 * (a beamformee capability.)
2002 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
2003 * @tx_highest: Indicates highest long GI VHT PPDU data rate
2004 * STA can transmit. Rate expressed in units of 1 Mbps.
2005 * If this field is 0 this value should not be used to
2006 * consider the highest TX data rate supported.
2007 * The top 2 bits of this field are reserved, the
2008 * 3rd bit from the top indiciates VHT Extended NSS BW
2009 * Capability.
2010 */
2011 struct ieee80211_vht_mcs_info {
2012 __le16 rx_mcs_map;
2013 __le16 rx_highest;
2014 __le16 tx_mcs_map;
2015 __le16 tx_highest;
2016 } __packed;
2017
2018 /* for rx_highest */
2019 #define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
2020 #define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
2021
2022 /* for tx_highest */
2023 #define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
2024
2025 /**
2026 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
2027 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2028 * number of streams
2029 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
2030 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2031 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
2032 *
2033 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
2034 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
2035 * both split into 8 subfields by number of streams. These values indicate
2036 * which MCSes are supported for the number of streams the value appears
2037 * for.
2038 */
2039 enum ieee80211_vht_mcs_support {
2040 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
2041 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
2042 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
2043 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
2044 };
2045
2046 /**
2047 * struct ieee80211_vht_cap - VHT capabilities
2048 *
2049 * This structure is the "VHT capabilities element" as
2050 * described in 802.11ac D3.0 8.4.2.160
2051 * @vht_cap_info: VHT capability info
2052 * @supp_mcs: VHT MCS supported rates
2053 */
2054 struct ieee80211_vht_cap {
2055 __le32 vht_cap_info;
2056 struct ieee80211_vht_mcs_info supp_mcs;
2057 } __packed;
2058
2059 /**
2060 * enum ieee80211_vht_chanwidth - VHT channel width
2061 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
2062 * determine the channel width (20 or 40 MHz)
2063 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
2064 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
2065 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
2066 */
2067 enum ieee80211_vht_chanwidth {
2068 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
2069 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
2070 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
2071 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
2072 };
2073
2074 /**
2075 * struct ieee80211_vht_operation - VHT operation IE
2076 *
2077 * This structure is the "VHT operation element" as
2078 * described in 802.11ac D3.0 8.4.2.161
2079 * @chan_width: Operating channel width
2080 * @center_freq_seg0_idx: center freq segment 0 index
2081 * @center_freq_seg1_idx: center freq segment 1 index
2082 * @basic_mcs_set: VHT Basic MCS rate set
2083 */
2084 struct ieee80211_vht_operation {
2085 u8 chan_width;
2086 u8 center_freq_seg0_idx;
2087 u8 center_freq_seg1_idx;
2088 __le16 basic_mcs_set;
2089 } __packed;
2090
2091 /**
2092 * struct ieee80211_he_cap_elem - HE capabilities element
2093 * @mac_cap_info: HE MAC Capabilities Information
2094 * @phy_cap_info: HE PHY Capabilities Information
2095 *
2096 * This structure represents the fixed fields of the payload of the
2097 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2098 * sections 9.4.2.248.2 and 9.4.2.248.3.
2099 */
2100 struct ieee80211_he_cap_elem {
2101 u8 mac_cap_info[6];
2102 u8 phy_cap_info[11];
2103 } __packed;
2104
2105 #define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
2106
2107 /**
2108 * enum ieee80211_he_mcs_support - HE MCS support definitions
2109 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2110 * number of streams
2111 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2112 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2113 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2114 *
2115 * These definitions are used in each 2-bit subfield of the rx_mcs_*
2116 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2117 * both split into 8 subfields by number of streams. These values indicate
2118 * which MCSes are supported for the number of streams the value appears
2119 * for.
2120 */
2121 enum ieee80211_he_mcs_support {
2122 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
2123 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
2124 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
2125 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
2126 };
2127
2128 /**
2129 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2130 *
2131 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2132 * described in P802.11ax_D2.0 section 9.4.2.237.4
2133 *
2134 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2135 * widths less than 80MHz.
2136 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2137 * widths less than 80MHz.
2138 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2139 * width 160MHz.
2140 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2141 * width 160MHz.
2142 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2143 * channel width 80p80MHz.
2144 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2145 * channel width 80p80MHz.
2146 */
2147 struct ieee80211_he_mcs_nss_supp {
2148 __le16 rx_mcs_80;
2149 __le16 tx_mcs_80;
2150 __le16 rx_mcs_160;
2151 __le16 tx_mcs_160;
2152 __le16 rx_mcs_80p80;
2153 __le16 tx_mcs_80p80;
2154 } __packed;
2155
2156 /**
2157 * struct ieee80211_he_operation - HE Operation element
2158 * @he_oper_params: HE Operation Parameters + BSS Color Information
2159 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2160 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2161 * BSSID Indicator, and 6 GHz Operation Information
2162 *
2163 * This structure represents the payload of the "HE Operation
2164 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2165 */
2166 struct ieee80211_he_operation {
2167 __le32 he_oper_params;
2168 __le16 he_mcs_nss_set;
2169 u8 optional[];
2170 } __packed;
2171
2172 /**
2173 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2174 * @he_sr_control: SR Control
2175 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2176 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2177 * Bitmap, and SRG Partial BSSID Bitmap
2178 *
2179 * This structure represents the payload of the "Spatial Reuse
2180 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2181 * section 9.4.2.252.
2182 */
2183 struct ieee80211_he_spr {
2184 u8 he_sr_control;
2185 u8 optional[];
2186 } __packed;
2187
2188 /**
2189 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2190 * @aifsn: ACI/AIFSN
2191 * @ecw_min_max: ECWmin/ECWmax
2192 * @mu_edca_timer: MU EDCA Timer
2193 *
2194 * This structure represents the "MU AC Parameter Record" as described
2195 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2196 */
2197 struct ieee80211_he_mu_edca_param_ac_rec {
2198 u8 aifsn;
2199 u8 ecw_min_max;
2200 u8 mu_edca_timer;
2201 } __packed;
2202
2203 /**
2204 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2205 * @mu_qos_info: QoS Info
2206 * @ac_be: MU AC_BE Parameter Record
2207 * @ac_bk: MU AC_BK Parameter Record
2208 * @ac_vi: MU AC_VI Parameter Record
2209 * @ac_vo: MU AC_VO Parameter Record
2210 *
2211 * This structure represents the payload of the "MU EDCA Parameter Set
2212 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2213 */
2214 struct ieee80211_mu_edca_param_set {
2215 u8 mu_qos_info;
2216 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2217 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2218 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2219 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2220 } __packed;
2221
2222 #define IEEE80211_EHT_MCS_NSS_RX 0x0f
2223 #define IEEE80211_EHT_MCS_NSS_TX 0xf0
2224
2225 /**
2226 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2227 * supported NSS for per MCS.
2228 *
2229 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2230 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2231 * for Tx.
2232 *
2233 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2234 * supported for reception and the maximum number of spatial streams
2235 * supported for transmission for MCS 0 - 7.
2236 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2237 * supported for reception and the maximum number of spatial streams
2238 * supported for transmission for MCS 8 - 9.
2239 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2240 * supported for reception and the maximum number of spatial streams
2241 * supported for transmission for MCS 10 - 11.
2242 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2243 * supported for reception and the maximum number of spatial streams
2244 * supported for transmission for MCS 12 - 13.
2245 * @rx_tx_max_nss: array of the previous fields for easier loop access
2246 */
2247 struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2248 union {
2249 struct {
2250 u8 rx_tx_mcs7_max_nss;
2251 u8 rx_tx_mcs9_max_nss;
2252 u8 rx_tx_mcs11_max_nss;
2253 u8 rx_tx_mcs13_max_nss;
2254 };
2255 u8 rx_tx_max_nss[4];
2256 };
2257 };
2258
2259 /**
2260 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2261 * 20MHz only stations).
2262 *
2263 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2264 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2265 * for Tx.
2266 *
2267 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2268 * supported for reception and the maximum number of spatial streams
2269 * supported for transmission for MCS 0 - 9.
2270 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2271 * supported for reception and the maximum number of spatial streams
2272 * supported for transmission for MCS 10 - 11.
2273 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2274 * supported for reception and the maximum number of spatial streams
2275 * supported for transmission for MCS 12 - 13.
2276 * @rx_tx_max_nss: array of the previous fields for easier loop access
2277 */
2278 struct ieee80211_eht_mcs_nss_supp_bw {
2279 union {
2280 struct {
2281 u8 rx_tx_mcs9_max_nss;
2282 u8 rx_tx_mcs11_max_nss;
2283 u8 rx_tx_mcs13_max_nss;
2284 };
2285 u8 rx_tx_max_nss[3];
2286 };
2287 };
2288
2289 /**
2290 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2291 *
2292 * This structure is the "EHT Capabilities element" fixed fields as
2293 * described in P802.11be_D2.0 section 9.4.2.313.
2294 *
2295 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2296 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2297 */
2298 struct ieee80211_eht_cap_elem_fixed {
2299 u8 mac_cap_info[2];
2300 u8 phy_cap_info[9];
2301 } __packed;
2302
2303 /**
2304 * struct ieee80211_eht_cap_elem - EHT capabilities element
2305 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2306 * @optional: optional parts
2307 */
2308 struct ieee80211_eht_cap_elem {
2309 struct ieee80211_eht_cap_elem_fixed fixed;
2310
2311 /*
2312 * Followed by:
2313 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2314 * EHT PPE Thresholds field: variable length.
2315 */
2316 u8 optional[];
2317 } __packed;
2318
2319 #define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2320 #define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2321 #define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2322 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2323 #define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2324
2325 /**
2326 * struct ieee80211_eht_operation - eht operation element
2327 *
2328 * This structure is the "EHT Operation Element" fields as
2329 * described in P802.11be_D2.0 section 9.4.2.311
2330 *
2331 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2332 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2333 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2334 * receive.
2335 * @optional: optional parts
2336 */
2337 struct ieee80211_eht_operation {
2338 u8 params;
2339 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2340 u8 optional[];
2341 } __packed;
2342
2343 /**
2344 * struct ieee80211_eht_operation_info - eht operation information
2345 *
2346 * @control: EHT operation information control.
2347 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2348 * EHT BSS.
2349 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2350 * @optional: optional parts
2351 */
2352 struct ieee80211_eht_operation_info {
2353 u8 control;
2354 u8 ccfs0;
2355 u8 ccfs1;
2356 u8 optional[];
2357 } __packed;
2358
2359 /* 802.11ac VHT Capabilities */
2360 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2361 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2362 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2363 #define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2364 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2365 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2366 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2367 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2368 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2369 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2370 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2371 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2372 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2373 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2374 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2375 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2376 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2377 #define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2378 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2379 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2380 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2381 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2382 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2383 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2384 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2385 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2386 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2387 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2388 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2389 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2390 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2391 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2392 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2393 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2394 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2395 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2396 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2397 #define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2398 #define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2399
2400 /**
2401 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2402 * @cap: VHT capabilities of the peer
2403 * @bw: bandwidth to use
2404 * @mcs: MCS index to use
2405 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2406 * (rate scaling algorithm) can deal with the new logic
2407 * (dot11VHTExtendedNSSBWCapable)
2408 * @max_vht_nss: current maximum NSS as advertised by the STA in
2409 * operating mode notification, can be 0 in which case the
2410 * capability data will be used to derive this (from MCS support)
2411 * Return: The maximum NSS that can be used for the given bandwidth/MCS
2412 * combination
2413 *
2414 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2415 * vary for a given BW/MCS. This function parses the data.
2416 *
2417 * Note: This function is exported by cfg80211.
2418 */
2419 int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2420 enum ieee80211_vht_chanwidth bw,
2421 int mcs, bool ext_nss_bw_capable,
2422 unsigned int max_vht_nss);
2423
2424 /* 802.11ax HE MAC capabilities */
2425 #define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2426 #define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2427 #define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2428 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2429 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2430 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2431 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2432 #define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2433 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2434 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2435 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2436 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2437 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2438 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2439 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2440 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2441 #define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2442
2443 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2444 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2445 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2446 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2447 #define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2448 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2449 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2450 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2451 #define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2452 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2453 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2454 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2455 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2456 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2457 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2458 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2459 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2460 #define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2461
2462 /* Link adaptation is split between byte HE_MAC_CAP1 and
2463 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2464 * in which case the following values apply:
2465 * 0 = No feedback.
2466 * 1 = reserved.
2467 * 2 = Unsolicited feedback.
2468 * 3 = both
2469 */
2470 #define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2471
2472 #define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2473 #define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2474 #define IEEE80211_HE_MAC_CAP2_TRS 0x04
2475 #define IEEE80211_HE_MAC_CAP2_BSR 0x08
2476 #define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2477 #define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2478 #define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2479 #define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2480
2481 #define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2482 #define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2483
2484 /* The maximum length of an A-MDPU is defined by the combination of the Maximum
2485 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2486 * same field in the HE capabilities.
2487 */
2488 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2489 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2490 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2491 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2492 #define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2493 #define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2494 #define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2495 #define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2496
2497 #define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2498 #define IEEE80211_HE_MAC_CAP4_QTP 0x02
2499 #define IEEE80211_HE_MAC_CAP4_BQR 0x04
2500 #define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2501 #define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2502 #define IEEE80211_HE_MAC_CAP4_OPS 0x20
2503 #define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2504 /* Multi TID agg TX is split between byte #4 and #5
2505 * The value is a combination of B39,B40,B41
2506 */
2507 #define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2508
2509 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2510 #define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2511 #define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2512 #define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2513 #define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2514 #define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2515 #define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2516 #define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2517
2518 #define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2519 #define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2520 #define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2521
2522 /* 802.11ax HE PHY capabilities */
2523 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2524 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2525 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2526 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2527 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2528
2529 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2530 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2531 #define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2532
2533 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2534 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2535 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2536 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2537 #define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2538 #define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2539 #define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2540 #define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2541 /* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2542 #define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2543
2544 #define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2545 #define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2546 #define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2547 #define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2548 #define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2549 #define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2550
2551 /* Note that the meaning of UL MU below is different between an AP and a non-AP
2552 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2553 * case it indicates support for Tx.
2554 */
2555 #define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2556 #define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2557
2558 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2559 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2560 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2561 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2562 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2563 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2564 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2565 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2566 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2567 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2568 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2569 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2570 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2571 #define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2572 #define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2573 #define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2574
2575 #define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2576 #define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2577
2578 /* Minimal allowed value of Max STS under 80MHz is 3 */
2579 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2580 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2581 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2582 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2583 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2584 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2585
2586 /* Minimal allowed value of Max STS above 80MHz is 3 */
2587 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2588 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2589 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2590 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2591 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2592 #define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2593
2594 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2595 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2596 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2597 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2598 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2599 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2600 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2601 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2602 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2603
2604 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2605 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2606 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2607 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2608 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2609 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2610 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2611 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2612 #define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2613
2614 #define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2615 #define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2616
2617 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2618 #define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2619 #define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2620 #define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2621 #define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2622 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2623 #define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2624 #define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2625
2626 #define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2627 #define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2628 #define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2629 #define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2630 #define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2631 #define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2632 #define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2633 #define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2634 #define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2635 #define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2636 #define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2637 #define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2638 #define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2639
2640 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2641 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2642 #define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2643 #define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2644 #define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2645 #define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2646 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2647 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2648 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2649 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2650 #define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2651
2652 #define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2653 #define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2654 #define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2655 #define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2656 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2657 #define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2658 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2659 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2660 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2661 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2662 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2663 #define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2664
2665 #define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2666
2667 /* 802.11ax HE TX/RX MCS NSS Support */
2668 #define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2669 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2670 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2671 #define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2672 #define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2673
2674 /* TX/RX HE MCS Support field Highest MCS subfield encoding */
2675 enum ieee80211_he_highest_mcs_supported_subfield_enc {
2676 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2677 HIGHEST_MCS_SUPPORTED_MCS8,
2678 HIGHEST_MCS_SUPPORTED_MCS9,
2679 HIGHEST_MCS_SUPPORTED_MCS10,
2680 HIGHEST_MCS_SUPPORTED_MCS11,
2681 };
2682
2683 /* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2684 static inline u8
ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem * he_cap)2685 ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2686 {
2687 u8 count = 4;
2688
2689 if (he_cap->phy_cap_info[0] &
2690 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2691 count += 4;
2692
2693 if (he_cap->phy_cap_info[0] &
2694 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2695 count += 4;
2696
2697 return count;
2698 }
2699
2700 /* 802.11ax HE PPE Thresholds */
2701 #define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2702 #define IEEE80211_PPE_THRES_NSS_POS (0)
2703 #define IEEE80211_PPE_THRES_NSS_MASK (7)
2704 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2705 (BIT(5) | BIT(6))
2706 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2707 #define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2708 #define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2709 #define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2710
2711 /*
2712 * Calculate 802.11ax HE capabilities IE PPE field size
2713 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2714 */
2715 static inline u8
ieee80211_he_ppe_size(u8 ppe_thres_hdr,const u8 * phy_cap_info)2716 ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2717 {
2718 u8 n;
2719
2720 if ((phy_cap_info[6] &
2721 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2722 return 0;
2723
2724 n = hweight8(ppe_thres_hdr &
2725 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2726 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2727 IEEE80211_PPE_THRES_NSS_POS));
2728
2729 /*
2730 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2731 * total size.
2732 */
2733 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2734 n = DIV_ROUND_UP(n, 8);
2735
2736 return n;
2737 }
2738
ieee80211_he_capa_size_ok(const u8 * data,u8 len)2739 static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2740 {
2741 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2742 u8 needed = sizeof(*he_cap_ie_elem);
2743
2744 if (len < needed)
2745 return false;
2746
2747 needed += ieee80211_he_mcs_nss_size(he_cap_ie_elem);
2748 if (len < needed)
2749 return false;
2750
2751 if (he_cap_ie_elem->phy_cap_info[6] &
2752 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2753 if (len < needed + 1)
2754 return false;
2755 needed += ieee80211_he_ppe_size(data[needed],
2756 he_cap_ie_elem->phy_cap_info);
2757 }
2758
2759 return len >= needed;
2760 }
2761
2762 /* HE Operation defines */
2763 #define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2764 #define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2765 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2766 #define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2767 #define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2768 #define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2769 #define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2770 #define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2771 #define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2772 #define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2773 #define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2774 #define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2775
2776 #define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2777 #define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2778 #define IEEE80211_6GHZ_CTRL_REG_VLP_AP 2
2779 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_LPI_AP 3
2780 #define IEEE80211_6GHZ_CTRL_REG_INDOOR_SP_AP 4
2781
2782 /**
2783 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2784 * @primary: primary channel
2785 * @control: control flags
2786 * @ccfs0: channel center frequency segment 0
2787 * @ccfs1: channel center frequency segment 1
2788 * @minrate: minimum rate (in 1 Mbps units)
2789 */
2790 struct ieee80211_he_6ghz_oper {
2791 u8 primary;
2792 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2793 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2794 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2795 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2796 #define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2797 #define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2798 #define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2799 u8 control;
2800 u8 ccfs0;
2801 u8 ccfs1;
2802 u8 minrate;
2803 } __packed;
2804
2805 /* transmit power interpretation type of transmit power envelope element */
2806 enum ieee80211_tx_power_intrpt_type {
2807 IEEE80211_TPE_LOCAL_EIRP,
2808 IEEE80211_TPE_LOCAL_EIRP_PSD,
2809 IEEE80211_TPE_REG_CLIENT_EIRP,
2810 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2811 };
2812
2813 /* category type of transmit power envelope element */
2814 enum ieee80211_tx_power_category_6ghz {
2815 IEEE80211_TPE_CAT_6GHZ_DEFAULT = 0,
2816 IEEE80211_TPE_CAT_6GHZ_SUBORDINATE = 1,
2817 };
2818
2819 /*
2820 * For IEEE80211_TPE_LOCAL_EIRP / IEEE80211_TPE_REG_CLIENT_EIRP,
2821 * setting to 63.5 dBm means no constraint.
2822 */
2823 #define IEEE80211_TPE_MAX_TX_PWR_NO_CONSTRAINT 127
2824
2825 /*
2826 * For IEEE80211_TPE_LOCAL_EIRP_PSD / IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2827 * setting to 127 indicates no PSD limit for the 20 MHz channel.
2828 */
2829 #define IEEE80211_TPE_PSD_NO_LIMIT 127
2830
2831 /**
2832 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2833 * @info: Transmit Power Information field
2834 * @variable: Maximum Transmit Power field
2835 *
2836 * This structure represents the payload of the "Transmit Power
2837 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2838 * 9.4.2.161
2839 */
2840 struct ieee80211_tx_pwr_env {
2841 u8 info;
2842 u8 variable[];
2843 } __packed;
2844
2845 #define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2846 #define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2847 #define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2848
2849 #define IEEE80211_TX_PWR_ENV_EXT_COUNT 0xF
2850
ieee80211_valid_tpe_element(const u8 * data,u8 len)2851 static inline bool ieee80211_valid_tpe_element(const u8 *data, u8 len)
2852 {
2853 const struct ieee80211_tx_pwr_env *env = (const void *)data;
2854 u8 count, interpret, category;
2855 u8 needed = sizeof(*env);
2856 u8 N; /* also called N in the spec */
2857
2858 if (len < needed)
2859 return false;
2860
2861 count = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_COUNT);
2862 interpret = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_INTERPRET);
2863 category = u8_get_bits(env->info, IEEE80211_TX_PWR_ENV_INFO_CATEGORY);
2864
2865 switch (category) {
2866 case IEEE80211_TPE_CAT_6GHZ_DEFAULT:
2867 case IEEE80211_TPE_CAT_6GHZ_SUBORDINATE:
2868 break;
2869 default:
2870 return false;
2871 }
2872
2873 switch (interpret) {
2874 case IEEE80211_TPE_LOCAL_EIRP:
2875 case IEEE80211_TPE_REG_CLIENT_EIRP:
2876 if (count > 3)
2877 return false;
2878
2879 /* count == 0 encodes 1 value for 20 MHz, etc. */
2880 needed += count + 1;
2881
2882 if (len < needed)
2883 return false;
2884
2885 /* there can be extension fields not accounted for in 'count' */
2886
2887 return true;
2888 case IEEE80211_TPE_LOCAL_EIRP_PSD:
2889 case IEEE80211_TPE_REG_CLIENT_EIRP_PSD:
2890 if (count > 4)
2891 return false;
2892
2893 N = count ? 1 << (count - 1) : 1;
2894 needed += N;
2895
2896 if (len < needed)
2897 return false;
2898
2899 if (len > needed) {
2900 u8 K = u8_get_bits(env->variable[N],
2901 IEEE80211_TX_PWR_ENV_EXT_COUNT);
2902
2903 needed += 1 + K;
2904 if (len < needed)
2905 return false;
2906 }
2907
2908 return true;
2909 }
2910
2911 return false;
2912 }
2913
2914 /*
2915 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2916 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2917 * after the ext ID byte. It is assumed that he_oper_ie has at least
2918 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2919 * validated this.
2920 * @return the actual size of the IE data (not including header), or 0 on error
2921 */
2922 static inline u8
ieee80211_he_oper_size(const u8 * he_oper_ie)2923 ieee80211_he_oper_size(const u8 *he_oper_ie)
2924 {
2925 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2926 u8 oper_len = sizeof(struct ieee80211_he_operation);
2927 u32 he_oper_params;
2928
2929 /* Make sure the input is not NULL */
2930 if (!he_oper_ie)
2931 return 0;
2932
2933 /* Calc required length */
2934 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2935 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2936 oper_len += 3;
2937 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2938 oper_len++;
2939 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2940 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2941
2942 /* Add the first byte (extension ID) to the total length */
2943 oper_len++;
2944
2945 return oper_len;
2946 }
2947
2948 /**
2949 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2950 * @he_oper: HE operation element (must be pre-validated for size)
2951 * but may be %NULL
2952 *
2953 * Return: a pointer to the 6 GHz operation field, or %NULL
2954 */
2955 static inline const struct ieee80211_he_6ghz_oper *
ieee80211_he_6ghz_oper(const struct ieee80211_he_operation * he_oper)2956 ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2957 {
2958 const u8 *ret;
2959 u32 he_oper_params;
2960
2961 if (!he_oper)
2962 return NULL;
2963
2964 ret = (const void *)&he_oper->optional;
2965
2966 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2967
2968 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2969 return NULL;
2970 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2971 ret += 3;
2972 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2973 ret++;
2974
2975 return (const void *)ret;
2976 }
2977
2978 /* HE Spatial Reuse defines */
2979 #define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2980 #define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2981 #define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2982 #define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2983 #define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2984
2985 /*
2986 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2987 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2988 * after the ext ID byte. It is assumed that he_spr_ie has at least
2989 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2990 * this
2991 * @return the actual size of the IE data (not including header), or 0 on error
2992 */
2993 static inline u8
ieee80211_he_spr_size(const u8 * he_spr_ie)2994 ieee80211_he_spr_size(const u8 *he_spr_ie)
2995 {
2996 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2997 u8 spr_len = sizeof(struct ieee80211_he_spr);
2998 u8 he_spr_params;
2999
3000 /* Make sure the input is not NULL */
3001 if (!he_spr_ie)
3002 return 0;
3003
3004 /* Calc required length */
3005 he_spr_params = he_spr->he_sr_control;
3006 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
3007 spr_len++;
3008 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
3009 spr_len += 18;
3010
3011 /* Add the first byte (extension ID) to the total length */
3012 spr_len++;
3013
3014 return spr_len;
3015 }
3016
3017 /* S1G Capabilities Information field */
3018 #define IEEE80211_S1G_CAPABILITY_LEN 15
3019
3020 #define S1G_CAP0_S1G_LONG BIT(0)
3021 #define S1G_CAP0_SGI_1MHZ BIT(1)
3022 #define S1G_CAP0_SGI_2MHZ BIT(2)
3023 #define S1G_CAP0_SGI_4MHZ BIT(3)
3024 #define S1G_CAP0_SGI_8MHZ BIT(4)
3025 #define S1G_CAP0_SGI_16MHZ BIT(5)
3026 #define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
3027
3028 #define S1G_SUPP_CH_WIDTH_2 0
3029 #define S1G_SUPP_CH_WIDTH_4 1
3030 #define S1G_SUPP_CH_WIDTH_8 2
3031 #define S1G_SUPP_CH_WIDTH_16 3
3032 #define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
3033 cap[0])) << 1)
3034
3035 #define S1G_CAP1_RX_LDPC BIT(0)
3036 #define S1G_CAP1_TX_STBC BIT(1)
3037 #define S1G_CAP1_RX_STBC BIT(2)
3038 #define S1G_CAP1_SU_BFER BIT(3)
3039 #define S1G_CAP1_SU_BFEE BIT(4)
3040 #define S1G_CAP1_BFEE_STS GENMASK(7, 5)
3041
3042 #define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
3043 #define S1G_CAP2_MU_BFER BIT(3)
3044 #define S1G_CAP2_MU_BFEE BIT(4)
3045 #define S1G_CAP2_PLUS_HTC_VHT BIT(5)
3046 #define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
3047
3048 #define S1G_CAP3_RD_RESPONDER BIT(0)
3049 #define S1G_CAP3_HT_DELAYED_BA BIT(1)
3050 #define S1G_CAP3_MAX_MPDU_LEN BIT(2)
3051 #define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
3052 #define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
3053
3054 #define S1G_CAP4_UPLINK_SYNC BIT(0)
3055 #define S1G_CAP4_DYNAMIC_AID BIT(1)
3056 #define S1G_CAP4_BAT BIT(2)
3057 #define S1G_CAP4_TIME_ADE BIT(3)
3058 #define S1G_CAP4_NON_TIM BIT(4)
3059 #define S1G_CAP4_GROUP_AID BIT(5)
3060 #define S1G_CAP4_STA_TYPE GENMASK(7, 6)
3061
3062 #define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
3063 #define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
3064 #define S1G_CAP5_AMSDU BIT(2)
3065 #define S1G_CAP5_AMPDU BIT(3)
3066 #define S1G_CAP5_ASYMMETRIC_BA BIT(4)
3067 #define S1G_CAP5_FLOW_CONTROL BIT(5)
3068 #define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
3069
3070 #define S1G_CAP6_OBSS_MITIGATION BIT(0)
3071 #define S1G_CAP6_FRAGMENT_BA BIT(1)
3072 #define S1G_CAP6_NDP_PS_POLL BIT(2)
3073 #define S1G_CAP6_RAW_OPERATION BIT(3)
3074 #define S1G_CAP6_PAGE_SLICING BIT(4)
3075 #define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
3076 #define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
3077
3078 #define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
3079 #define S1G_CAP7_DUP_1MHZ BIT(1)
3080 #define S1G_CAP7_MCS_NEGOTIATION BIT(2)
3081 #define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
3082 #define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
3083 #define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
3084 #define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
3085 #define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
3086
3087 #define S1G_CAP8_TWT_GROUPING BIT(0)
3088 #define S1G_CAP8_BDT BIT(1)
3089 #define S1G_CAP8_COLOR GENMASK(4, 2)
3090 #define S1G_CAP8_TWT_REQUEST BIT(5)
3091 #define S1G_CAP8_TWT_RESPOND BIT(6)
3092 #define S1G_CAP8_PV1_FRAME BIT(7)
3093
3094 #define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
3095
3096 #define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
3097 #define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
3098
3099 /* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
3100 #define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
3101 #define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
3102 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
3103 #define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
3104 #define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
3105 #define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
3106 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
3107 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
3108 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
3109 #define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
3110
3111 #define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
3112
3113 /* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
3114 #define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
3115 #define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
3116 #define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
3117 #define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
3118 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
3119 #define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
3120
3121 /* EHT beamformee number of spatial streams <= 80MHz is split */
3122 #define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
3123 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
3124
3125 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
3126 #define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
3127
3128 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
3129 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
3130
3131 /* EHT number of sounding dimensions for 320MHz is split */
3132 #define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
3133 #define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
3134 #define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
3135 #define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
3136 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
3137 #define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
3138 #define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
3139 #define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
3140 #define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
3141
3142 #define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
3143 #define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
3144 #define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
3145 #define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
3146 #define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
3147
3148 #define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
3149 #define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
3150 #define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
3151 #define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
3152 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
3153 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
3154 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
3155 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
3156 #define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
3157
3158 /* Maximum number of supported EHT LTF is split */
3159 #define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
3160 #define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
3161 #define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
3162
3163 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_80MHZ 0x08
3164 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_160MHZ 0x30
3165 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_320MHZ 0x40
3166 #define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
3167 #define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
3168
3169 #define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3170 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3171 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3172 #define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3173 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3174 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3175 #define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3176 #define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3177
3178 #define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3179 #define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3180
3181 /*
3182 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3183 */
3184 #define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3185 #define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3186 #define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3187 #define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3188 #define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3189 #define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3190
3191 /* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3192 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)3193 ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3194 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3195 bool from_ap)
3196 {
3197 u8 count = 0;
3198
3199 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3200 if (he_cap->phy_cap_info[0] &
3201 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3202 return 3;
3203
3204 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3205 if (he_cap->phy_cap_info[0] &
3206 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3207 count += 3;
3208
3209 if (he_cap->phy_cap_info[0] &
3210 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3211 count += 3;
3212
3213 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3214 count += 3;
3215
3216 if (count)
3217 return count;
3218
3219 return from_ap ? 3 : 4;
3220 }
3221
3222 /* 802.11be EHT PPE Thresholds */
3223 #define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3224 #define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3225 #define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3226 #define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3227 #define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3228
3229 /*
3230 * Calculate 802.11be EHT capabilities IE EHT field size
3231 */
3232 static inline u8
ieee80211_eht_ppe_size(u16 ppe_thres_hdr,const u8 * phy_cap_info)3233 ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3234 {
3235 u32 n;
3236
3237 if (!(phy_cap_info[5] &
3238 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3239 return 0;
3240
3241 n = hweight16(ppe_thres_hdr &
3242 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3243 n *= 1 + u16_get_bits(ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3244
3245 /*
3246 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3247 * total size.
3248 */
3249 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3250 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3251 return DIV_ROUND_UP(n, 8);
3252 }
3253
3254 static inline bool
ieee80211_eht_capa_size_ok(const u8 * he_capa,const u8 * data,u8 len,bool from_ap)3255 ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3256 bool from_ap)
3257 {
3258 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3259 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3260
3261 if (len < needed || !he_capa)
3262 return false;
3263
3264 needed += ieee80211_eht_mcs_nss_size((const void *)he_capa,
3265 (const void *)data,
3266 from_ap);
3267 if (len < needed)
3268 return false;
3269
3270 if (elem->phy_cap_info[5] &
3271 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3272 u16 ppe_thres_hdr;
3273
3274 if (len < needed + sizeof(ppe_thres_hdr))
3275 return false;
3276
3277 ppe_thres_hdr = get_unaligned_le16(data + needed);
3278 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3279 elem->phy_cap_info);
3280 }
3281
3282 return len >= needed;
3283 }
3284
3285 static inline bool
ieee80211_eht_oper_size_ok(const u8 * data,u8 len)3286 ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3287 {
3288 const struct ieee80211_eht_operation *elem = (const void *)data;
3289 u8 needed = sizeof(*elem);
3290
3291 if (len < needed)
3292 return false;
3293
3294 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3295 needed += 3;
3296
3297 if (elem->params &
3298 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3299 needed += 2;
3300 }
3301
3302 return len >= needed;
3303 }
3304
3305 /* must validate ieee80211_eht_oper_size_ok() first */
3306 static inline u16
ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation * eht_oper)3307 ieee80211_eht_oper_dis_subchan_bitmap(const struct ieee80211_eht_operation *eht_oper)
3308 {
3309 const struct ieee80211_eht_operation_info *info =
3310 (const void *)eht_oper->optional;
3311
3312 if (!(eht_oper->params & IEEE80211_EHT_OPER_INFO_PRESENT))
3313 return 0;
3314
3315 if (!(eht_oper->params & IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT))
3316 return 0;
3317
3318 return get_unaligned_le16(info->optional);
3319 }
3320
3321 #define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1)
3322
3323 struct ieee80211_bandwidth_indication {
3324 u8 params;
3325 struct ieee80211_eht_operation_info info;
3326 } __packed;
3327
3328 static inline bool
ieee80211_bandwidth_indication_size_ok(const u8 * data,u8 len)3329 ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3330 {
3331 const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3332
3333 if (len < sizeof(*bwi))
3334 return false;
3335
3336 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3337 len < sizeof(*bwi) + 2)
3338 return false;
3339
3340 return true;
3341 }
3342
3343 #define LISTEN_INT_USF GENMASK(15, 14)
3344 #define LISTEN_INT_UI GENMASK(13, 0)
3345
3346 #define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3347 #define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3348
3349 /* Authentication algorithms */
3350 #define WLAN_AUTH_OPEN 0
3351 #define WLAN_AUTH_SHARED_KEY 1
3352 #define WLAN_AUTH_FT 2
3353 #define WLAN_AUTH_SAE 3
3354 #define WLAN_AUTH_FILS_SK 4
3355 #define WLAN_AUTH_FILS_SK_PFS 5
3356 #define WLAN_AUTH_FILS_PK 6
3357 #define WLAN_AUTH_LEAP 128
3358
3359 #define WLAN_AUTH_CHALLENGE_LEN 128
3360
3361 #define WLAN_CAPABILITY_ESS (1<<0)
3362 #define WLAN_CAPABILITY_IBSS (1<<1)
3363
3364 /*
3365 * A mesh STA sets the ESS and IBSS capability bits to zero.
3366 * however, this holds true for p2p probe responses (in the p2p_find
3367 * phase) as well.
3368 */
3369 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3370 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3371
3372 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3373 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3374 #define WLAN_CAPABILITY_PRIVACY (1<<4)
3375 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3376 #define WLAN_CAPABILITY_PBCC (1<<6)
3377 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3378
3379 /* 802.11h */
3380 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3381 #define WLAN_CAPABILITY_QOS (1<<9)
3382 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3383 #define WLAN_CAPABILITY_APSD (1<<11)
3384 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3385 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3386 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
3387 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
3388
3389 /* DMG (60gHz) 802.11ad */
3390 /* type - bits 0..1 */
3391 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3392 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3393 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3394 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3395
3396 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3397 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3398 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3399 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3400
3401 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3402 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3403
3404 /* measurement */
3405 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3406 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3407 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3408
3409 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3410 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3411 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3412 #define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3413 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3414
3415 /* 802.11g ERP information element */
3416 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3417 #define WLAN_ERP_USE_PROTECTION (1<<1)
3418 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3419
3420 /* WLAN_ERP_BARKER_PREAMBLE values */
3421 enum {
3422 WLAN_ERP_PREAMBLE_SHORT = 0,
3423 WLAN_ERP_PREAMBLE_LONG = 1,
3424 };
3425
3426 /* Band ID, 802.11ad #8.4.1.45 */
3427 enum {
3428 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3429 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3430 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3431 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3432 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3433 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3434 };
3435
3436 /* Status codes */
3437 enum ieee80211_statuscode {
3438 WLAN_STATUS_SUCCESS = 0,
3439 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3440 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3441 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3442 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3443 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3444 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3445 WLAN_STATUS_CHALLENGE_FAIL = 15,
3446 WLAN_STATUS_AUTH_TIMEOUT = 16,
3447 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3448 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3449 /* 802.11b */
3450 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3451 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3452 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3453 /* 802.11h */
3454 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3455 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3456 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3457 /* 802.11g */
3458 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3459 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3460 /* 802.11w */
3461 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3462 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3463 /* 802.11i */
3464 WLAN_STATUS_INVALID_IE = 40,
3465 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3466 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3467 WLAN_STATUS_INVALID_AKMP = 43,
3468 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3469 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3470 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3471 /* 802.11e */
3472 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3473 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3474 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3475 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3476 WLAN_STATUS_REQUEST_DECLINED = 37,
3477 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3478 WLAN_STATUS_CHANGE_TSPEC = 39,
3479 WLAN_STATUS_WAIT_TS_DELAY = 47,
3480 WLAN_STATUS_NO_DIRECT_LINK = 48,
3481 WLAN_STATUS_STA_NOT_PRESENT = 49,
3482 WLAN_STATUS_STA_NOT_QSTA = 50,
3483 /* 802.11s */
3484 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3485 WLAN_STATUS_FCG_NOT_SUPP = 78,
3486 WLAN_STATUS_STA_NO_TBTT = 78,
3487 /* 802.11ad */
3488 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3489 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3490 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3491 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3492 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3493 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3494 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3495 WLAN_STATUS_REJECT_DSE_BAND = 96,
3496 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3497 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3498 /* 802.11ai */
3499 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3500 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3501 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3502 WLAN_STATUS_SAE_PK = 127,
3503 WLAN_STATUS_DENIED_TID_TO_LINK_MAPPING = 133,
3504 WLAN_STATUS_PREF_TID_TO_LINK_MAPPING_SUGGESTED = 134,
3505 };
3506
3507
3508 /* Reason codes */
3509 enum ieee80211_reasoncode {
3510 WLAN_REASON_UNSPECIFIED = 1,
3511 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3512 WLAN_REASON_DEAUTH_LEAVING = 3,
3513 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3514 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3515 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3516 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3517 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3518 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3519 /* 802.11h */
3520 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3521 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3522 /* 802.11i */
3523 WLAN_REASON_INVALID_IE = 13,
3524 WLAN_REASON_MIC_FAILURE = 14,
3525 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3526 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3527 WLAN_REASON_IE_DIFFERENT = 17,
3528 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3529 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3530 WLAN_REASON_INVALID_AKMP = 20,
3531 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3532 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3533 WLAN_REASON_IEEE8021X_FAILED = 23,
3534 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3535 /* TDLS (802.11z) */
3536 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3537 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3538 /* 802.11e */
3539 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3540 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3541 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3542 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3543 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3544 WLAN_REASON_QSTA_NOT_USE = 37,
3545 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3546 WLAN_REASON_QSTA_TIMEOUT = 39,
3547 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3548 /* 802.11s */
3549 WLAN_REASON_MESH_PEER_CANCELED = 52,
3550 WLAN_REASON_MESH_MAX_PEERS = 53,
3551 WLAN_REASON_MESH_CONFIG = 54,
3552 WLAN_REASON_MESH_CLOSE = 55,
3553 WLAN_REASON_MESH_MAX_RETRIES = 56,
3554 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3555 WLAN_REASON_MESH_INVALID_GTK = 58,
3556 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3557 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3558 WLAN_REASON_MESH_PATH_ERROR = 61,
3559 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3560 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3561 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3562 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3563 WLAN_REASON_MESH_CHAN = 66,
3564 };
3565
3566
3567 /* Information Element IDs */
3568 enum ieee80211_eid {
3569 WLAN_EID_SSID = 0,
3570 WLAN_EID_SUPP_RATES = 1,
3571 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3572 WLAN_EID_DS_PARAMS = 3,
3573 WLAN_EID_CF_PARAMS = 4,
3574 WLAN_EID_TIM = 5,
3575 WLAN_EID_IBSS_PARAMS = 6,
3576 WLAN_EID_COUNTRY = 7,
3577 /* 8, 9 reserved */
3578 WLAN_EID_REQUEST = 10,
3579 WLAN_EID_QBSS_LOAD = 11,
3580 WLAN_EID_EDCA_PARAM_SET = 12,
3581 WLAN_EID_TSPEC = 13,
3582 WLAN_EID_TCLAS = 14,
3583 WLAN_EID_SCHEDULE = 15,
3584 WLAN_EID_CHALLENGE = 16,
3585 /* 17-31 reserved for challenge text extension */
3586 WLAN_EID_PWR_CONSTRAINT = 32,
3587 WLAN_EID_PWR_CAPABILITY = 33,
3588 WLAN_EID_TPC_REQUEST = 34,
3589 WLAN_EID_TPC_REPORT = 35,
3590 WLAN_EID_SUPPORTED_CHANNELS = 36,
3591 WLAN_EID_CHANNEL_SWITCH = 37,
3592 WLAN_EID_MEASURE_REQUEST = 38,
3593 WLAN_EID_MEASURE_REPORT = 39,
3594 WLAN_EID_QUIET = 40,
3595 WLAN_EID_IBSS_DFS = 41,
3596 WLAN_EID_ERP_INFO = 42,
3597 WLAN_EID_TS_DELAY = 43,
3598 WLAN_EID_TCLAS_PROCESSING = 44,
3599 WLAN_EID_HT_CAPABILITY = 45,
3600 WLAN_EID_QOS_CAPA = 46,
3601 /* 47 reserved for Broadcom */
3602 WLAN_EID_RSN = 48,
3603 WLAN_EID_802_15_COEX = 49,
3604 WLAN_EID_EXT_SUPP_RATES = 50,
3605 WLAN_EID_AP_CHAN_REPORT = 51,
3606 WLAN_EID_NEIGHBOR_REPORT = 52,
3607 WLAN_EID_RCPI = 53,
3608 WLAN_EID_MOBILITY_DOMAIN = 54,
3609 WLAN_EID_FAST_BSS_TRANSITION = 55,
3610 WLAN_EID_TIMEOUT_INTERVAL = 56,
3611 WLAN_EID_RIC_DATA = 57,
3612 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3613 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3614 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3615 WLAN_EID_HT_OPERATION = 61,
3616 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3617 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3618 WLAN_EID_ANTENNA_INFO = 64,
3619 WLAN_EID_RSNI = 65,
3620 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3621 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3622 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3623 WLAN_EID_TIME_ADVERTISEMENT = 69,
3624 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3625 WLAN_EID_MULTIPLE_BSSID = 71,
3626 WLAN_EID_BSS_COEX_2040 = 72,
3627 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3628 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3629 WLAN_EID_RIC_DESCRIPTOR = 75,
3630 WLAN_EID_MMIE = 76,
3631 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3632 WLAN_EID_EVENT_REQUEST = 78,
3633 WLAN_EID_EVENT_REPORT = 79,
3634 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3635 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3636 WLAN_EID_LOCATION_PARAMS = 82,
3637 WLAN_EID_NON_TX_BSSID_CAP = 83,
3638 WLAN_EID_SSID_LIST = 84,
3639 WLAN_EID_MULTI_BSSID_IDX = 85,
3640 WLAN_EID_FMS_DESCRIPTOR = 86,
3641 WLAN_EID_FMS_REQUEST = 87,
3642 WLAN_EID_FMS_RESPONSE = 88,
3643 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3644 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3645 WLAN_EID_TSF_REQUEST = 91,
3646 WLAN_EID_TSF_RESPOSNE = 92,
3647 WLAN_EID_WNM_SLEEP_MODE = 93,
3648 WLAN_EID_TIM_BCAST_REQ = 94,
3649 WLAN_EID_TIM_BCAST_RESP = 95,
3650 WLAN_EID_COLL_IF_REPORT = 96,
3651 WLAN_EID_CHANNEL_USAGE = 97,
3652 WLAN_EID_TIME_ZONE = 98,
3653 WLAN_EID_DMS_REQUEST = 99,
3654 WLAN_EID_DMS_RESPONSE = 100,
3655 WLAN_EID_LINK_ID = 101,
3656 WLAN_EID_WAKEUP_SCHEDUL = 102,
3657 /* 103 reserved */
3658 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3659 WLAN_EID_PTI_CONTROL = 105,
3660 WLAN_EID_PU_BUFFER_STATUS = 106,
3661 WLAN_EID_INTERWORKING = 107,
3662 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3663 WLAN_EID_EXPEDITED_BW_REQ = 109,
3664 WLAN_EID_QOS_MAP_SET = 110,
3665 WLAN_EID_ROAMING_CONSORTIUM = 111,
3666 WLAN_EID_EMERGENCY_ALERT = 112,
3667 WLAN_EID_MESH_CONFIG = 113,
3668 WLAN_EID_MESH_ID = 114,
3669 WLAN_EID_LINK_METRIC_REPORT = 115,
3670 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3671 WLAN_EID_PEER_MGMT = 117,
3672 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3673 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3674 WLAN_EID_BEACON_TIMING = 120,
3675 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3676 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3677 WLAN_EID_MCCAOP_ADVERT = 123,
3678 WLAN_EID_MCCAOP_TEARDOWN = 124,
3679 WLAN_EID_GANN = 125,
3680 WLAN_EID_RANN = 126,
3681 WLAN_EID_EXT_CAPABILITY = 127,
3682 /* 128, 129 reserved for Agere */
3683 WLAN_EID_PREQ = 130,
3684 WLAN_EID_PREP = 131,
3685 WLAN_EID_PERR = 132,
3686 /* 133-136 reserved for Cisco */
3687 WLAN_EID_PXU = 137,
3688 WLAN_EID_PXUC = 138,
3689 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3690 WLAN_EID_MIC = 140,
3691 WLAN_EID_DESTINATION_URI = 141,
3692 WLAN_EID_UAPSD_COEX = 142,
3693 WLAN_EID_WAKEUP_SCHEDULE = 143,
3694 WLAN_EID_EXT_SCHEDULE = 144,
3695 WLAN_EID_STA_AVAILABILITY = 145,
3696 WLAN_EID_DMG_TSPEC = 146,
3697 WLAN_EID_DMG_AT = 147,
3698 WLAN_EID_DMG_CAP = 148,
3699 /* 149 reserved for Cisco */
3700 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3701 WLAN_EID_DMG_OPERATION = 151,
3702 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3703 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3704 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3705 /* 155-156 reserved for Cisco */
3706 WLAN_EID_AWAKE_WINDOW = 157,
3707 WLAN_EID_MULTI_BAND = 158,
3708 WLAN_EID_ADDBA_EXT = 159,
3709 WLAN_EID_NEXT_PCP_LIST = 160,
3710 WLAN_EID_PCP_HANDOVER = 161,
3711 WLAN_EID_DMG_LINK_MARGIN = 162,
3712 WLAN_EID_SWITCHING_STREAM = 163,
3713 WLAN_EID_SESSION_TRANSITION = 164,
3714 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3715 WLAN_EID_CLUSTER_REPORT = 166,
3716 WLAN_EID_RELAY_CAP = 167,
3717 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3718 WLAN_EID_BEAM_LINK_MAINT = 169,
3719 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3720 WLAN_EID_U_PID = 171,
3721 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3722 /* 173 reserved for Symbol */
3723 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3724 WLAN_EID_QUIET_PERIOD_REQ = 175,
3725 /* 176 reserved for Symbol */
3726 WLAN_EID_QUIET_PERIOD_RESP = 177,
3727 /* 178-179 reserved for Symbol */
3728 /* 180 reserved for ISO/IEC 20011 */
3729 WLAN_EID_EPAC_POLICY = 182,
3730 WLAN_EID_CLISTER_TIME_OFF = 183,
3731 WLAN_EID_INTER_AC_PRIO = 184,
3732 WLAN_EID_SCS_DESCRIPTOR = 185,
3733 WLAN_EID_QLOAD_REPORT = 186,
3734 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3735 WLAN_EID_HL_STREAM_ID = 188,
3736 WLAN_EID_GCR_GROUP_ADDR = 189,
3737 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3738 WLAN_EID_VHT_CAPABILITY = 191,
3739 WLAN_EID_VHT_OPERATION = 192,
3740 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3741 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3742 WLAN_EID_TX_POWER_ENVELOPE = 195,
3743 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3744 WLAN_EID_AID = 197,
3745 WLAN_EID_QUIET_CHANNEL = 198,
3746 WLAN_EID_OPMODE_NOTIF = 199,
3747
3748 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3749
3750 WLAN_EID_AID_REQUEST = 210,
3751 WLAN_EID_AID_RESPONSE = 211,
3752 WLAN_EID_S1G_BCN_COMPAT = 213,
3753 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3754 WLAN_EID_S1G_TWT = 216,
3755 WLAN_EID_S1G_CAPABILITIES = 217,
3756 WLAN_EID_VENDOR_SPECIFIC = 221,
3757 WLAN_EID_QOS_PARAMETER = 222,
3758 WLAN_EID_S1G_OPERATION = 232,
3759 WLAN_EID_CAG_NUMBER = 237,
3760 WLAN_EID_AP_CSN = 239,
3761 WLAN_EID_FILS_INDICATION = 240,
3762 WLAN_EID_DILS = 241,
3763 WLAN_EID_FRAGMENT = 242,
3764 WLAN_EID_RSNX = 244,
3765 WLAN_EID_EXTENSION = 255
3766 };
3767
3768 /* Element ID Extensions for Element ID 255 */
3769 enum ieee80211_eid_ext {
3770 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3771 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3772 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3773 WLAN_EID_EXT_FILS_SESSION = 4,
3774 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3775 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3776 WLAN_EID_EXT_KEY_DELIVERY = 7,
3777 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3778 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3779 WLAN_EID_EXT_FILS_NONCE = 13,
3780 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3781 WLAN_EID_EXT_HE_CAPABILITY = 35,
3782 WLAN_EID_EXT_HE_OPERATION = 36,
3783 WLAN_EID_EXT_UORA = 37,
3784 WLAN_EID_EXT_HE_MU_EDCA = 38,
3785 WLAN_EID_EXT_HE_SPR = 39,
3786 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3787 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3788 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3789 WLAN_EID_EXT_ESS_REPORT = 45,
3790 WLAN_EID_EXT_OPS = 46,
3791 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3792 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3793 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3794 WLAN_EID_EXT_NON_INHERITANCE = 56,
3795 WLAN_EID_EXT_KNOWN_BSSID = 57,
3796 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3797 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3798 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3799 WLAN_EID_EXT_EHT_OPERATION = 106,
3800 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3801 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3802 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3803 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3804 };
3805
3806 /* Action category code */
3807 enum ieee80211_category {
3808 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3809 WLAN_CATEGORY_QOS = 1,
3810 WLAN_CATEGORY_DLS = 2,
3811 WLAN_CATEGORY_BACK = 3,
3812 WLAN_CATEGORY_PUBLIC = 4,
3813 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3814 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3815 WLAN_CATEGORY_HT = 7,
3816 WLAN_CATEGORY_SA_QUERY = 8,
3817 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3818 WLAN_CATEGORY_WNM = 10,
3819 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3820 WLAN_CATEGORY_TDLS = 12,
3821 WLAN_CATEGORY_MESH_ACTION = 13,
3822 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3823 WLAN_CATEGORY_SELF_PROTECTED = 15,
3824 WLAN_CATEGORY_DMG = 16,
3825 WLAN_CATEGORY_WMM = 17,
3826 WLAN_CATEGORY_FST = 18,
3827 WLAN_CATEGORY_UNPROT_DMG = 20,
3828 WLAN_CATEGORY_VHT = 21,
3829 WLAN_CATEGORY_S1G = 22,
3830 WLAN_CATEGORY_PROTECTED_EHT = 37,
3831 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3832 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3833 };
3834
3835 /* SPECTRUM_MGMT action code */
3836 enum ieee80211_spectrum_mgmt_actioncode {
3837 WLAN_ACTION_SPCT_MSR_REQ = 0,
3838 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3839 WLAN_ACTION_SPCT_TPC_REQ = 2,
3840 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3841 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3842 };
3843
3844 /* HT action codes */
3845 enum ieee80211_ht_actioncode {
3846 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3847 WLAN_HT_ACTION_SMPS = 1,
3848 WLAN_HT_ACTION_PSMP = 2,
3849 WLAN_HT_ACTION_PCO_PHASE = 3,
3850 WLAN_HT_ACTION_CSI = 4,
3851 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3852 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3853 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3854 };
3855
3856 /* VHT action codes */
3857 enum ieee80211_vht_actioncode {
3858 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3859 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3860 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3861 };
3862
3863 /* Self Protected Action codes */
3864 enum ieee80211_self_protected_actioncode {
3865 WLAN_SP_RESERVED = 0,
3866 WLAN_SP_MESH_PEERING_OPEN = 1,
3867 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3868 WLAN_SP_MESH_PEERING_CLOSE = 3,
3869 WLAN_SP_MGK_INFORM = 4,
3870 WLAN_SP_MGK_ACK = 5,
3871 };
3872
3873 /* Mesh action codes */
3874 enum ieee80211_mesh_actioncode {
3875 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3876 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3877 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3878 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3879 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3880 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3881 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3882 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3883 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3884 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3885 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3886 };
3887
3888 /* Unprotected WNM action codes */
3889 enum ieee80211_unprotected_wnm_actioncode {
3890 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3891 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3892 };
3893
3894 /* Protected EHT action codes */
3895 enum ieee80211_protected_eht_actioncode {
3896 WLAN_PROTECTED_EHT_ACTION_TTLM_REQ = 0,
3897 WLAN_PROTECTED_EHT_ACTION_TTLM_RES = 1,
3898 WLAN_PROTECTED_EHT_ACTION_TTLM_TEARDOWN = 2,
3899 WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_REQ = 3,
3900 WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_RESP = 4,
3901 WLAN_PROTECTED_EHT_ACTION_EPCS_ENABLE_TEARDOWN = 5,
3902 WLAN_PROTECTED_EHT_ACTION_EML_OP_MODE_NOTIF = 6,
3903 WLAN_PROTECTED_EHT_ACTION_LINK_RECOMMEND = 7,
3904 WLAN_PROTECTED_EHT_ACTION_ML_OP_UPDATE_REQ = 8,
3905 WLAN_PROTECTED_EHT_ACTION_ML_OP_UPDATE_RESP = 9,
3906 WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_NOTIF = 10,
3907 WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_REQ = 11,
3908 WLAN_PROTECTED_EHT_ACTION_LINK_RECONFIG_RESP = 12,
3909 };
3910
3911 /* Security key length */
3912 enum ieee80211_key_len {
3913 WLAN_KEY_LEN_WEP40 = 5,
3914 WLAN_KEY_LEN_WEP104 = 13,
3915 WLAN_KEY_LEN_CCMP = 16,
3916 WLAN_KEY_LEN_CCMP_256 = 32,
3917 WLAN_KEY_LEN_TKIP = 32,
3918 WLAN_KEY_LEN_AES_CMAC = 16,
3919 WLAN_KEY_LEN_SMS4 = 32,
3920 WLAN_KEY_LEN_GCMP = 16,
3921 WLAN_KEY_LEN_GCMP_256 = 32,
3922 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3923 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3924 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3925 };
3926
3927 enum ieee80211_s1g_actioncode {
3928 WLAN_S1G_AID_SWITCH_REQUEST,
3929 WLAN_S1G_AID_SWITCH_RESPONSE,
3930 WLAN_S1G_SYNC_CONTROL,
3931 WLAN_S1G_STA_INFO_ANNOUNCE,
3932 WLAN_S1G_EDCA_PARAM_SET,
3933 WLAN_S1G_EL_OPERATION,
3934 WLAN_S1G_TWT_SETUP,
3935 WLAN_S1G_TWT_TEARDOWN,
3936 WLAN_S1G_SECT_GROUP_ID_LIST,
3937 WLAN_S1G_SECT_ID_FEEDBACK,
3938 WLAN_S1G_TWT_INFORMATION = 11,
3939 };
3940
3941 #define IEEE80211_WEP_IV_LEN 4
3942 #define IEEE80211_WEP_ICV_LEN 4
3943 #define IEEE80211_CCMP_HDR_LEN 8
3944 #define IEEE80211_CCMP_MIC_LEN 8
3945 #define IEEE80211_CCMP_PN_LEN 6
3946 #define IEEE80211_CCMP_256_HDR_LEN 8
3947 #define IEEE80211_CCMP_256_MIC_LEN 16
3948 #define IEEE80211_CCMP_256_PN_LEN 6
3949 #define IEEE80211_TKIP_IV_LEN 8
3950 #define IEEE80211_TKIP_ICV_LEN 4
3951 #define IEEE80211_CMAC_PN_LEN 6
3952 #define IEEE80211_GMAC_PN_LEN 6
3953 #define IEEE80211_GCMP_HDR_LEN 8
3954 #define IEEE80211_GCMP_MIC_LEN 16
3955 #define IEEE80211_GCMP_PN_LEN 6
3956
3957 #define FILS_NONCE_LEN 16
3958 #define FILS_MAX_KEK_LEN 64
3959
3960 #define FILS_ERP_MAX_USERNAME_LEN 16
3961 #define FILS_ERP_MAX_REALM_LEN 253
3962 #define FILS_ERP_MAX_RRK_LEN 64
3963
3964 #define PMK_MAX_LEN 64
3965 #define SAE_PASSWORD_MAX_LEN 128
3966
3967 /* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3968 enum ieee80211_pub_actioncode {
3969 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3970 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3971 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3972 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3973 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3974 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3975 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3976 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3977 WLAN_PUB_ACTION_DSE_PC = 8,
3978 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3979 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3980 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3981 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3982 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3983 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3984 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3985 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3986 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3987 WLAN_PUB_ACTION_QMF_POLICY = 18,
3988 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3989 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3990 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3991 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3992 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3993 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3994 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3995 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3996 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3997 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3998 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3999 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
4000 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
4001 WLAN_PUB_ACTION_FTM_REQUEST = 32,
4002 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
4003 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
4004 };
4005
4006 /* TDLS action codes */
4007 enum ieee80211_tdls_actioncode {
4008 WLAN_TDLS_SETUP_REQUEST = 0,
4009 WLAN_TDLS_SETUP_RESPONSE = 1,
4010 WLAN_TDLS_SETUP_CONFIRM = 2,
4011 WLAN_TDLS_TEARDOWN = 3,
4012 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
4013 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
4014 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
4015 WLAN_TDLS_PEER_PSM_REQUEST = 7,
4016 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
4017 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
4018 WLAN_TDLS_DISCOVERY_REQUEST = 10,
4019 };
4020
4021 /* Extended Channel Switching capability to be set in the 1st byte of
4022 * the @WLAN_EID_EXT_CAPABILITY information element
4023 */
4024 #define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
4025
4026 /* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
4027 * @WLAN_EID_EXT_CAPABILITY information element
4028 */
4029 #define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
4030
4031 /* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
4032 * of the @WLAN_EID_EXT_CAPABILITY information element
4033 */
4034 #define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
4035
4036 /* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
4037 #define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
4038 #define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
4039 #define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
4040
4041 /* Interworking capabilities are set in 7th bit of 4th byte of the
4042 * @WLAN_EID_EXT_CAPABILITY information element
4043 */
4044 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
4045
4046 /*
4047 * TDLS capabililites to be enabled in the 5th byte of the
4048 * @WLAN_EID_EXT_CAPABILITY information element
4049 */
4050 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
4051 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
4052 #define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
4053
4054 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
4055 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
4056
4057 /* Defines the maximal number of MSDUs in an A-MSDU. */
4058 #define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
4059 #define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
4060
4061 /*
4062 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
4063 * information element
4064 */
4065 #define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
4066
4067 /* Defines support for TWT Requester and TWT Responder */
4068 #define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
4069 #define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
4070
4071 /*
4072 * When set, indicates that the AP is able to tolerate 26-tone RU UL
4073 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
4074 * 26-tone RU UL OFDMA transmissions as radar pulses).
4075 */
4076 #define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
4077
4078 /* Defines support for enhanced multi-bssid advertisement*/
4079 #define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
4080
4081 /* TDLS specific payload type in the LLC/SNAP header */
4082 #define WLAN_TDLS_SNAP_RFTYPE 0x2
4083
4084 /* BSS Coex IE information field bits */
4085 #define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
4086
4087 /**
4088 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
4089 *
4090 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
4091 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
4092 * that will be specified in a vendor specific information element
4093 */
4094 enum ieee80211_mesh_sync_method {
4095 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
4096 IEEE80211_SYNC_METHOD_VENDOR = 255,
4097 };
4098
4099 /**
4100 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
4101 *
4102 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
4103 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
4104 * be specified in a vendor specific information element
4105 */
4106 enum ieee80211_mesh_path_protocol {
4107 IEEE80211_PATH_PROTOCOL_HWMP = 1,
4108 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
4109 };
4110
4111 /**
4112 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
4113 *
4114 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
4115 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
4116 * specified in a vendor specific information element
4117 */
4118 enum ieee80211_mesh_path_metric {
4119 IEEE80211_PATH_METRIC_AIRTIME = 1,
4120 IEEE80211_PATH_METRIC_VENDOR = 255,
4121 };
4122
4123 /**
4124 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
4125 *
4126 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
4127 *
4128 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
4129 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
4130 * this value
4131 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
4132 * the proactive PREQ with proactive PREP subfield set to 0
4133 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
4134 * supports the proactive PREQ with proactive PREP subfield set to 1
4135 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
4136 * the proactive RANN
4137 */
4138 enum ieee80211_root_mode_identifier {
4139 IEEE80211_ROOTMODE_NO_ROOT = 0,
4140 IEEE80211_ROOTMODE_ROOT = 1,
4141 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
4142 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
4143 IEEE80211_PROACTIVE_RANN = 4,
4144 };
4145
4146 /*
4147 * IEEE 802.11-2007 7.3.2.9 Country information element
4148 *
4149 * Minimum length is 8 octets, ie len must be evenly
4150 * divisible by 2
4151 */
4152
4153 /* Although the spec says 8 I'm seeing 6 in practice */
4154 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
4155
4156 /* The Country String field of the element shall be 3 octets in length */
4157 #define IEEE80211_COUNTRY_STRING_LEN 3
4158
4159 /*
4160 * For regulatory extension stuff see IEEE 802.11-2007
4161 * Annex I (page 1141) and Annex J (page 1147). Also
4162 * review 7.3.2.9.
4163 *
4164 * When dot11RegulatoryClassesRequired is true and the
4165 * first_channel/reg_extension_id is >= 201 then the IE
4166 * compromises of the 'ext' struct represented below:
4167 *
4168 * - Regulatory extension ID - when generating IE this just needs
4169 * to be monotonically increasing for each triplet passed in
4170 * the IE
4171 * - Regulatory class - index into set of rules
4172 * - Coverage class - index into air propagation time (Table 7-27),
4173 * in microseconds, you can compute the air propagation time from
4174 * the index by multiplying by 3, so index 10 yields a propagation
4175 * of 10 us. Valid values are 0-31, values 32-255 are not defined
4176 * yet. A value of 0 inicates air propagation of <= 1 us.
4177 *
4178 * See also Table I.2 for Emission limit sets and table
4179 * I.3 for Behavior limit sets. Table J.1 indicates how to map
4180 * a reg_class to an emission limit set and behavior limit set.
4181 */
4182 #define IEEE80211_COUNTRY_EXTENSION_ID 201
4183
4184 /*
4185 * Channels numbers in the IE must be monotonically increasing
4186 * if dot11RegulatoryClassesRequired is not true.
4187 *
4188 * If dot11RegulatoryClassesRequired is true consecutive
4189 * subband triplets following a regulatory triplet shall
4190 * have monotonically increasing first_channel number fields.
4191 *
4192 * Channel numbers shall not overlap.
4193 *
4194 * Note that max_power is signed.
4195 */
4196 struct ieee80211_country_ie_triplet {
4197 union {
4198 struct {
4199 u8 first_channel;
4200 u8 num_channels;
4201 s8 max_power;
4202 } __packed chans;
4203 struct {
4204 u8 reg_extension_id;
4205 u8 reg_class;
4206 u8 coverage_class;
4207 } __packed ext;
4208 };
4209 } __packed;
4210
4211 enum ieee80211_timeout_interval_type {
4212 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4213 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4214 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4215 };
4216
4217 /**
4218 * struct ieee80211_timeout_interval_ie - Timeout Interval element
4219 * @type: type, see &enum ieee80211_timeout_interval_type
4220 * @value: timeout interval value
4221 */
4222 struct ieee80211_timeout_interval_ie {
4223 u8 type;
4224 __le32 value;
4225 } __packed;
4226
4227 /**
4228 * enum ieee80211_idle_options - BSS idle options
4229 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4230 * protected frame to the AP to reset the idle timer at the AP for
4231 * the station.
4232 */
4233 enum ieee80211_idle_options {
4234 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4235 };
4236
4237 /**
4238 * struct ieee80211_bss_max_idle_period_ie - BSS max idle period element struct
4239 *
4240 * This structure refers to "BSS Max idle period element"
4241 *
4242 * @max_idle_period: indicates the time period during which a station can
4243 * refrain from transmitting frames to its associated AP without being
4244 * disassociated. In units of 1000 TUs.
4245 * @idle_options: indicates the options associated with the BSS idle capability
4246 * as specified in &enum ieee80211_idle_options.
4247 */
4248 struct ieee80211_bss_max_idle_period_ie {
4249 __le16 max_idle_period;
4250 u8 idle_options;
4251 } __packed;
4252
4253 /* BACK action code */
4254 enum ieee80211_back_actioncode {
4255 WLAN_ACTION_ADDBA_REQ = 0,
4256 WLAN_ACTION_ADDBA_RESP = 1,
4257 WLAN_ACTION_DELBA = 2,
4258 };
4259
4260 /* BACK (block-ack) parties */
4261 enum ieee80211_back_parties {
4262 WLAN_BACK_RECIPIENT = 0,
4263 WLAN_BACK_INITIATOR = 1,
4264 };
4265
4266 /* SA Query action */
4267 enum ieee80211_sa_query_action {
4268 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4269 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4270 };
4271
4272 /**
4273 * struct ieee80211_bssid_index - multiple BSSID index element structure
4274 *
4275 * This structure refers to "Multiple BSSID-index element"
4276 *
4277 * @bssid_index: BSSID index
4278 * @dtim_period: optional, overrides transmitted BSS dtim period
4279 * @dtim_count: optional, overrides transmitted BSS dtim count
4280 */
4281 struct ieee80211_bssid_index {
4282 u8 bssid_index;
4283 u8 dtim_period;
4284 u8 dtim_count;
4285 };
4286
4287 /**
4288 * struct ieee80211_multiple_bssid_configuration - multiple BSSID configuration
4289 * element structure
4290 *
4291 * This structure refers to "Multiple BSSID Configuration element"
4292 *
4293 * @bssid_count: total number of active BSSIDs in the set
4294 * @profile_periodicity: the least number of beacon frames need to be received
4295 * in order to discover all the nontransmitted BSSIDs in the set.
4296 */
4297 struct ieee80211_multiple_bssid_configuration {
4298 u8 bssid_count;
4299 u8 profile_periodicity;
4300 };
4301
4302 #define SUITE(oui, id) (((oui) << 8) | (id))
4303
4304 /* cipher suite selectors */
4305 #define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4306 #define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4307 #define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4308 /* reserved: SUITE(0x000FAC, 3) */
4309 #define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4310 #define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4311 #define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4312 #define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4313 #define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4314 #define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4315 #define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4316 #define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4317 #define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4318
4319 #define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4320
4321 /* AKM suite selectors */
4322 #define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4323 #define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4324 #define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4325 #define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4326 #define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4327 #define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4328 #define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4329 #define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4330 #define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4331 #define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4332 #define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4333 #define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4334 #define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4335 #define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4336 #define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4337 #define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4338 #define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4339 #define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4340 #define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4341 #define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4342
4343 #define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4344
4345 #define WLAN_MAX_KEY_LEN 32
4346
4347 #define WLAN_PMK_NAME_LEN 16
4348 #define WLAN_PMKID_LEN 16
4349 #define WLAN_PMK_LEN_EAP_LEAP 16
4350 #define WLAN_PMK_LEN 32
4351 #define WLAN_PMK_LEN_SUITE_B_192 48
4352
4353 #define WLAN_OUI_WFA 0x506f9a
4354 #define WLAN_OUI_TYPE_WFA_P2P 9
4355 #define WLAN_OUI_TYPE_WFA_DPP 0x1A
4356 #define WLAN_OUI_MICROSOFT 0x0050f2
4357 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4358 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4359 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4360 #define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4361
4362 /*
4363 * WMM/802.11e Tspec Element
4364 */
4365 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4366 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4367
4368 enum ieee80211_tspec_status_code {
4369 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4370 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4371 };
4372
4373 struct ieee80211_tspec_ie {
4374 u8 element_id;
4375 u8 len;
4376 u8 oui[3];
4377 u8 oui_type;
4378 u8 oui_subtype;
4379 u8 version;
4380 __le16 tsinfo;
4381 u8 tsinfo_resvd;
4382 __le16 nominal_msdu;
4383 __le16 max_msdu;
4384 __le32 min_service_int;
4385 __le32 max_service_int;
4386 __le32 inactivity_int;
4387 __le32 suspension_int;
4388 __le32 service_start_time;
4389 __le32 min_data_rate;
4390 __le32 mean_data_rate;
4391 __le32 peak_data_rate;
4392 __le32 max_burst_size;
4393 __le32 delay_bound;
4394 __le32 min_phy_rate;
4395 __le16 sba;
4396 __le16 medium_time;
4397 } __packed;
4398
4399 struct ieee80211_he_6ghz_capa {
4400 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4401 __le16 capa;
4402 } __packed;
4403
4404 /* HE 6 GHz band capabilities */
4405 /* uses enum ieee80211_min_mpdu_spacing values */
4406 #define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4407 /* uses enum ieee80211_vht_max_ampdu_length_exp values */
4408 #define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4409 /* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4410 #define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4411 /* WLAN_HT_CAP_SM_PS_* values */
4412 #define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4413 #define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4414 #define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4415 #define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4416
4417 /**
4418 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4419 * @hdr: the frame
4420 * Return: a pointer to the QoS control field in the frame header
4421 *
4422 * The qos ctrl bytes come after the frame_control, duration, seq_num
4423 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4424 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4425 */
ieee80211_get_qos_ctl(struct ieee80211_hdr * hdr)4426 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4427 {
4428 union {
4429 struct ieee80211_qos_hdr addr3;
4430 struct ieee80211_qos_hdr_4addr addr4;
4431 } *qos;
4432
4433 qos = (void *)hdr;
4434 if (ieee80211_has_a4(qos->addr3.frame_control))
4435 return (u8 *)&qos->addr4.qos_ctrl;
4436 else
4437 return (u8 *)&qos->addr3.qos_ctrl;
4438 }
4439
4440 /**
4441 * ieee80211_get_tid - get qos TID
4442 * @hdr: the frame
4443 * Return: the TID from the QoS control field
4444 */
ieee80211_get_tid(struct ieee80211_hdr * hdr)4445 static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4446 {
4447 u8 *qc = ieee80211_get_qos_ctl(hdr);
4448
4449 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4450 }
4451
4452 /**
4453 * ieee80211_get_SA - get pointer to SA
4454 * @hdr: the frame
4455 * Return: a pointer to the source address (SA)
4456 *
4457 * Given an 802.11 frame, this function returns the offset
4458 * to the source address (SA). It does not verify that the
4459 * header is long enough to contain the address, and the
4460 * header must be long enough to contain the frame control
4461 * field.
4462 */
ieee80211_get_SA(struct ieee80211_hdr * hdr)4463 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4464 {
4465 if (ieee80211_has_a4(hdr->frame_control))
4466 return hdr->addr4;
4467 if (ieee80211_has_fromds(hdr->frame_control))
4468 return hdr->addr3;
4469 return hdr->addr2;
4470 }
4471
4472 /**
4473 * ieee80211_get_DA - get pointer to DA
4474 * @hdr: the frame
4475 * Return: a pointer to the destination address (DA)
4476 *
4477 * Given an 802.11 frame, this function returns the offset
4478 * to the destination address (DA). It does not verify that
4479 * the header is long enough to contain the address, and the
4480 * header must be long enough to contain the frame control
4481 * field.
4482 */
ieee80211_get_DA(struct ieee80211_hdr * hdr)4483 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4484 {
4485 if (ieee80211_has_tods(hdr->frame_control))
4486 return hdr->addr3;
4487 else
4488 return hdr->addr1;
4489 }
4490
4491 /**
4492 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4493 * @skb: the skb to check, starting with the 802.11 header
4494 * Return: whether or not the MMPDU is bufferable
4495 */
ieee80211_is_bufferable_mmpdu(struct sk_buff * skb)4496 static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4497 {
4498 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4499 __le16 fc = mgmt->frame_control;
4500
4501 /*
4502 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4503 * note that this ignores the IBSS special case.
4504 */
4505 if (!ieee80211_is_mgmt(fc))
4506 return false;
4507
4508 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4509 return true;
4510
4511 if (!ieee80211_is_action(fc))
4512 return false;
4513
4514 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4515 return true;
4516
4517 /* action frame - additionally check for non-bufferable FTM */
4518
4519 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4520 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4521 return true;
4522
4523 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4524 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4525 return false;
4526
4527 return true;
4528 }
4529
4530 /**
4531 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4532 * @hdr: the frame (buffer must include at least the first octet of payload)
4533 * Return: whether or not the frame is a robust management frame
4534 */
_ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr * hdr)4535 static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4536 {
4537 if (ieee80211_is_disassoc(hdr->frame_control) ||
4538 ieee80211_is_deauth(hdr->frame_control))
4539 return true;
4540
4541 if (ieee80211_is_action(hdr->frame_control)) {
4542 u8 *category;
4543
4544 /*
4545 * Action frames, excluding Public Action frames, are Robust
4546 * Management Frames. However, if we are looking at a Protected
4547 * frame, skip the check since the data may be encrypted and
4548 * the frame has already been found to be a Robust Management
4549 * Frame (by the other end).
4550 */
4551 if (ieee80211_has_protected(hdr->frame_control))
4552 return true;
4553 category = ((u8 *) hdr) + 24;
4554 return *category != WLAN_CATEGORY_PUBLIC &&
4555 *category != WLAN_CATEGORY_HT &&
4556 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4557 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4558 *category != WLAN_CATEGORY_UNPROT_DMG &&
4559 *category != WLAN_CATEGORY_VHT &&
4560 *category != WLAN_CATEGORY_S1G &&
4561 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4562 }
4563
4564 return false;
4565 }
4566
4567 /**
4568 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4569 * @skb: the skb containing the frame, length will be checked
4570 * Return: whether or not the frame is a robust management frame
4571 */
ieee80211_is_robust_mgmt_frame(struct sk_buff * skb)4572 static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4573 {
4574 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4575 return false;
4576 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
4577 }
4578
4579 /**
4580 * ieee80211_is_public_action - check if frame is a public action frame
4581 * @hdr: the frame
4582 * @len: length of the frame
4583 * Return: whether or not the frame is a public action frame
4584 */
ieee80211_is_public_action(struct ieee80211_hdr * hdr,size_t len)4585 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4586 size_t len)
4587 {
4588 struct ieee80211_mgmt *mgmt = (void *)hdr;
4589
4590 if (len < IEEE80211_MIN_ACTION_SIZE)
4591 return false;
4592 if (!ieee80211_is_action(hdr->frame_control))
4593 return false;
4594 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4595 }
4596
4597 /**
4598 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4599 * protected dual of public action management frame
4600 * @skb: the skb containing the frame, length will be checked
4601 *
4602 * Return: true if the skb contains a protected dual of public action
4603 * management frame, false otherwise.
4604 */
4605 static inline bool
ieee80211_is_protected_dual_of_public_action(struct sk_buff * skb)4606 ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4607 {
4608 u8 action;
4609
4610 if (!ieee80211_is_public_action((void *)skb->data, skb->len) ||
4611 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4612 return false;
4613
4614 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4615
4616 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4617 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4618 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4619 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4620 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4621 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4622 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4623 action != WLAN_PUB_ACTION_FILS_DISCOVERY &&
4624 action != WLAN_PUB_ACTION_VENDOR_SPECIFIC;
4625 }
4626
4627 /**
4628 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4629 * privacy action frame
4630 * @hdr: the frame
4631 * Return: whether or not the frame is a group addressed privacy action frame
4632 */
_ieee80211_is_group_privacy_action(struct ieee80211_hdr * hdr)4633 static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4634 {
4635 struct ieee80211_mgmt *mgmt = (void *)hdr;
4636
4637 if (!ieee80211_is_action(hdr->frame_control) ||
4638 !is_multicast_ether_addr(hdr->addr1))
4639 return false;
4640
4641 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4642 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4643 }
4644
4645 /**
4646 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4647 * privacy action frame
4648 * @skb: the skb containing the frame, length will be checked
4649 * Return: whether or not the frame is a group addressed privacy action frame
4650 */
ieee80211_is_group_privacy_action(struct sk_buff * skb)4651 static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4652 {
4653 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4654 return false;
4655 return _ieee80211_is_group_privacy_action((void *)skb->data);
4656 }
4657
4658 /**
4659 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4660 * @tu: the TUs
4661 * Return: the time value converted to microseconds
4662 */
ieee80211_tu_to_usec(unsigned long tu)4663 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4664 {
4665 return 1024 * tu;
4666 }
4667
4668 /**
4669 * ieee80211_check_tim - check if AID bit is set in TIM
4670 * @tim: the TIM IE
4671 * @tim_len: length of the TIM IE
4672 * @aid: the AID to look for
4673 * Return: whether or not traffic is indicated in the TIM for the given AID
4674 */
ieee80211_check_tim(const struct ieee80211_tim_ie * tim,u8 tim_len,u16 aid)4675 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4676 u8 tim_len, u16 aid)
4677 {
4678 u8 mask;
4679 u8 index, indexn1, indexn2;
4680
4681 if (unlikely(!tim || tim_len < sizeof(*tim)))
4682 return false;
4683
4684 aid &= 0x3fff;
4685 index = aid / 8;
4686 mask = 1 << (aid & 7);
4687
4688 indexn1 = tim->bitmap_ctrl & 0xfe;
4689 indexn2 = tim_len + indexn1 - 4;
4690
4691 if (index < indexn1 || index > indexn2)
4692 return false;
4693
4694 index -= indexn1;
4695
4696 return !!(tim->virtual_map[index] & mask);
4697 }
4698
4699 /**
4700 * ieee80211_get_tdls_action - get TDLS action code
4701 * @skb: the skb containing the frame, length will not be checked
4702 * Return: the TDLS action code, or -1 if it's not an encapsulated TDLS action
4703 * frame
4704 *
4705 * This function assumes the frame is a data frame, and that the network header
4706 * is in the correct place.
4707 */
ieee80211_get_tdls_action(struct sk_buff * skb)4708 static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4709 {
4710 if (!skb_is_nonlinear(skb) &&
4711 skb->len > (skb_network_offset(skb) + 2)) {
4712 /* Point to where the indication of TDLS should start */
4713 const u8 *tdls_data = skb_network_header(skb) - 2;
4714
4715 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
4716 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4717 tdls_data[3] == WLAN_CATEGORY_TDLS)
4718 return tdls_data[4];
4719 }
4720
4721 return -1;
4722 }
4723
4724 /* convert time units */
4725 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4726 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4727
4728 /* convert frequencies */
4729 #define MHZ_TO_KHZ(freq) ((freq) * 1000)
4730 #define KHZ_TO_MHZ(freq) ((freq) / 1000)
4731 #define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4732 #define KHZ_F "%d.%03d"
4733
4734 /* convert powers */
4735 #define DBI_TO_MBI(gain) ((gain) * 100)
4736 #define MBI_TO_DBI(gain) ((gain) / 100)
4737 #define DBM_TO_MBM(gain) ((gain) * 100)
4738 #define MBM_TO_DBM(gain) ((gain) / 100)
4739
4740 /**
4741 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4742 * @skb: the skb containing the frame, length will be checked
4743 * Return: %true if the frame contains a TPC element, %false otherwise
4744 *
4745 * This function checks if it's either TPC report action frame or Link
4746 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4747 * and 8.5.7.5 accordingly.
4748 */
ieee80211_action_contains_tpc(struct sk_buff * skb)4749 static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4750 {
4751 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4752
4753 if (!ieee80211_is_action(mgmt->frame_control))
4754 return false;
4755
4756 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4757 sizeof(mgmt->u.action.u.tpc_report))
4758 return false;
4759
4760 /*
4761 * TPC report - check that:
4762 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4763 * spectrum management action = 3 (TPC/Link Measurement report)
4764 * TPC report EID = 35
4765 * TPC report element length = 2
4766 *
4767 * The spectrum management's tpc_report struct is used here both for
4768 * parsing tpc_report and radio measurement's link measurement report
4769 * frame, since the relevant part is identical in both frames.
4770 */
4771 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4772 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4773 return false;
4774
4775 /* both spectrum mgmt and link measurement have same action code */
4776 if (mgmt->u.action.u.tpc_report.action_code !=
4777 WLAN_ACTION_SPCT_TPC_RPRT)
4778 return false;
4779
4780 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4781 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4782 sizeof(struct ieee80211_tpc_report_ie))
4783 return false;
4784
4785 return true;
4786 }
4787
4788 /**
4789 * ieee80211_is_timing_measurement - check if frame is timing measurement response
4790 * @skb: the SKB to check
4791 * Return: whether or not the frame is a valid timing measurement response
4792 */
ieee80211_is_timing_measurement(struct sk_buff * skb)4793 static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4794 {
4795 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4796
4797 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4798 return false;
4799
4800 if (!ieee80211_is_action(mgmt->frame_control))
4801 return false;
4802
4803 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4804 mgmt->u.action.u.wnm_timing_msr.action_code ==
4805 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4806 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4807 return true;
4808
4809 return false;
4810 }
4811
4812 /**
4813 * ieee80211_is_ftm - check if frame is FTM response
4814 * @skb: the SKB to check
4815 * Return: whether or not the frame is a valid FTM response action frame
4816 */
ieee80211_is_ftm(struct sk_buff * skb)4817 static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4818 {
4819 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4820
4821 if (!ieee80211_is_public_action((void *)mgmt, skb->len))
4822 return false;
4823
4824 if (mgmt->u.action.u.ftm.action_code ==
4825 WLAN_PUB_ACTION_FTM_RESPONSE &&
4826 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4827 return true;
4828
4829 return false;
4830 }
4831
4832 struct element {
4833 u8 id;
4834 u8 datalen;
4835 u8 data[];
4836 } __packed;
4837
4838 /* element iteration helpers */
4839 #define for_each_element(_elem, _data, _datalen) \
4840 for (_elem = (const struct element *)(_data); \
4841 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4842 (int)sizeof(*_elem) && \
4843 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4844 (int)sizeof(*_elem) + _elem->datalen; \
4845 _elem = (const struct element *)(_elem->data + _elem->datalen))
4846
4847 #define for_each_element_id(element, _id, data, datalen) \
4848 for_each_element(element, data, datalen) \
4849 if (element->id == (_id))
4850
4851 #define for_each_element_extid(element, extid, _data, _datalen) \
4852 for_each_element(element, _data, _datalen) \
4853 if (element->id == WLAN_EID_EXTENSION && \
4854 element->datalen > 0 && \
4855 element->data[0] == (extid))
4856
4857 #define for_each_subelement(sub, element) \
4858 for_each_element(sub, (element)->data, (element)->datalen)
4859
4860 #define for_each_subelement_id(sub, id, element) \
4861 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4862
4863 #define for_each_subelement_extid(sub, extid, element) \
4864 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4865
4866 /**
4867 * for_each_element_completed - determine if element parsing consumed all data
4868 * @element: element pointer after for_each_element() or friends
4869 * @data: same data pointer as passed to for_each_element() or friends
4870 * @datalen: same data length as passed to for_each_element() or friends
4871 * Return: %true if all elements were iterated, %false otherwise; see notes
4872 *
4873 * This function returns %true if all the data was parsed or considered
4874 * while walking the elements. Only use this if your for_each_element()
4875 * loop cannot be broken out of, otherwise it always returns %false.
4876 *
4877 * If some data was malformed, this returns %false since the last parsed
4878 * element will not fill the whole remaining data.
4879 */
for_each_element_completed(const struct element * element,const void * data,size_t datalen)4880 static inline bool for_each_element_completed(const struct element *element,
4881 const void *data, size_t datalen)
4882 {
4883 return (const u8 *)element == (const u8 *)data + datalen;
4884 }
4885
4886 /*
4887 * RSNX Capabilities:
4888 * bits 0-3: Field length (n-1)
4889 */
4890 #define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4891 #define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4892
4893 /*
4894 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4895 * section 9.4.2.170 and accepted contributions.
4896 */
4897 #define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4898 #define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4899 #define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4900 #define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4901 #define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4902 #define IEEE80211_TBTT_INFO_TYPE_MLD 1
4903
4904 #define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4905 #define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4906 #define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4907 #define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4908 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4909 #define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4910 #define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4911
4912 #define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4913 #define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4914
4915 struct ieee80211_neighbor_ap_info {
4916 u8 tbtt_info_hdr;
4917 u8 tbtt_info_len;
4918 u8 op_class;
4919 u8 channel;
4920 } __packed;
4921
4922 enum ieee80211_range_params_max_total_ltf {
4923 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4924 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4925 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4926 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4927 };
4928
4929 /*
4930 * reduced neighbor report, based on Draft P802.11be_D3.0,
4931 * section 9.4.2.170.2.
4932 */
4933 struct ieee80211_rnr_mld_params {
4934 u8 mld_id;
4935 __le16 params;
4936 } __packed;
4937
4938 #define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4939 #define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4940 #define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4941 #define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4942
4943 /* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4944 struct ieee80211_tbtt_info_7_8_9 {
4945 u8 tbtt_offset;
4946 u8 bssid[ETH_ALEN];
4947
4948 /* The following element is optional, structure may not grow */
4949 u8 bss_params;
4950 s8 psd_20;
4951 } __packed;
4952
4953 /* Format of the TBTT information element if it has >= 11 bytes */
4954 struct ieee80211_tbtt_info_ge_11 {
4955 u8 tbtt_offset;
4956 u8 bssid[ETH_ALEN];
4957 __le32 short_ssid;
4958
4959 /* The following elements are optional, structure may grow */
4960 u8 bss_params;
4961 s8 psd_20;
4962 struct ieee80211_rnr_mld_params mld_params;
4963 } __packed;
4964
4965 /* multi-link device */
4966 #define IEEE80211_MLD_MAX_NUM_LINKS 15
4967
4968 #define IEEE80211_ML_CONTROL_TYPE 0x0007
4969 #define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4970 #define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4971 #define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4972 #define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4973 #define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4974 #define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4975
4976 struct ieee80211_multi_link_elem {
4977 __le16 control;
4978 u8 variable[];
4979 } __packed;
4980
4981 #define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4982 #define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4983 #define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4984 #define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4985 #define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4986 #define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4987 #define IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP 0x0400
4988
4989 #define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4990 #define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4991 #define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4992
4993 /*
4994 * Described in P802.11be_D3.0
4995 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4996 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4997 * dot11MSDTXOPMAX defaults to 1
4998 */
4999 #define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
5000
5001 #define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
5002 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
5003 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
5004 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
5005 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
5006 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
5007 #define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
5008 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
5009 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
5010 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
5011 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
5012 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
5013 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
5014 #define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
5015 #define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
5016 #define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
5017 #define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
5018 #define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
5019 #define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
5020 #define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
5021 #define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
5022 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
5023 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
5024 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
5025 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
5026 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
5027 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
5028 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
5029 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
5030 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
5031 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
5032 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
5033 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
5034 #define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
5035
5036 #define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
5037 #define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
5038 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
5039 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_NO_SUPP 0
5040 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_SAME 1
5041 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_RESERVED 2
5042 #define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP_DIFF 3
5043 #define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
5044 #define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
5045 #define IEEE80211_MLD_CAP_OP_LINK_RECONF_SUPPORT 0x2000
5046 #define IEEE80211_MLD_CAP_OP_ALIGNED_TWT_SUPPORT 0x4000
5047
5048 struct ieee80211_mle_basic_common_info {
5049 u8 len;
5050 u8 mld_mac_addr[ETH_ALEN];
5051 u8 variable[];
5052 } __packed;
5053
5054 #define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
5055
5056 struct ieee80211_mle_preq_common_info {
5057 u8 len;
5058 u8 variable[];
5059 } __packed;
5060
5061 #define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
5062 #define IEEE80211_MLC_RECONF_PRES_EML_CAPA 0x0020
5063 #define IEEE80211_MLC_RECONF_PRES_MLD_CAPA_OP 0x0040
5064 #define IEEE80211_MLC_RECONF_PRES_EXT_MLD_CAPA_OP 0x0080
5065
5066 /* no fixed fields in RECONF */
5067
5068 struct ieee80211_mle_tdls_common_info {
5069 u8 len;
5070 u8 ap_mld_mac_addr[ETH_ALEN];
5071 } __packed;
5072
5073 #define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
5074
5075 /* no fixed fields in PRIO_ACCESS */
5076
5077 /**
5078 * ieee80211_mle_common_size - check multi-link element common size
5079 * @data: multi-link element, must already be checked for size using
5080 * ieee80211_mle_size_ok()
5081 * Return: the size of the multi-link element's "common" subfield
5082 */
ieee80211_mle_common_size(const u8 * data)5083 static inline u8 ieee80211_mle_common_size(const u8 *data)
5084 {
5085 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5086 u16 control = le16_to_cpu(mle->control);
5087
5088 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5089 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5090 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5091 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5092 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5093 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5094 /*
5095 * The length is the first octet pointed by mle->variable so no
5096 * need to add anything
5097 */
5098 break;
5099 default:
5100 WARN_ON(1);
5101 return 0;
5102 }
5103
5104 return sizeof(*mle) + mle->variable[0];
5105 }
5106
5107 /**
5108 * ieee80211_mle_get_link_id - returns the link ID
5109 * @data: the basic multi link element
5110 * Return: the link ID, or -1 if not present
5111 *
5112 * The element is assumed to be of the correct type (BASIC) and big enough,
5113 * this must be checked using ieee80211_mle_type_ok().
5114 */
ieee80211_mle_get_link_id(const u8 * data)5115 static inline int ieee80211_mle_get_link_id(const u8 *data)
5116 {
5117 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5118 u16 control = le16_to_cpu(mle->control);
5119 const u8 *common = mle->variable;
5120
5121 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5122 common += sizeof(struct ieee80211_mle_basic_common_info);
5123
5124 if (!(control & IEEE80211_MLC_BASIC_PRES_LINK_ID))
5125 return -1;
5126
5127 return *common;
5128 }
5129
5130 /**
5131 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
5132 * @data: pointer to the basic multi link element
5133 * Return: the BSS Parameter Change Count field value, or -1 if not present
5134 *
5135 * The element is assumed to be of the correct type (BASIC) and big enough,
5136 * this must be checked using ieee80211_mle_type_ok().
5137 */
5138 static inline int
ieee80211_mle_get_bss_param_ch_cnt(const u8 * data)5139 ieee80211_mle_get_bss_param_ch_cnt(const u8 *data)
5140 {
5141 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5142 u16 control = le16_to_cpu(mle->control);
5143 const u8 *common = mle->variable;
5144
5145 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5146 common += sizeof(struct ieee80211_mle_basic_common_info);
5147
5148 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
5149 return -1;
5150
5151 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5152 common += 1;
5153
5154 return *common;
5155 }
5156
5157 /**
5158 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
5159 * @data: pointer to the multi-link element
5160 * Return: the medium synchronization delay field value from the multi-link
5161 * element, or the default value (%IEEE80211_MED_SYNC_DELAY_DEFAULT)
5162 * if not present
5163 *
5164 * The element is assumed to be of the correct type (BASIC) and big enough,
5165 * this must be checked using ieee80211_mle_type_ok().
5166 */
ieee80211_mle_get_eml_med_sync_delay(const u8 * data)5167 static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
5168 {
5169 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5170 u16 control = le16_to_cpu(mle->control);
5171 const u8 *common = mle->variable;
5172
5173 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5174 common += sizeof(struct ieee80211_mle_basic_common_info);
5175
5176 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
5177 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
5178
5179 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5180 common += 1;
5181 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5182 common += 1;
5183
5184 return get_unaligned_le16(common);
5185 }
5186
5187 /**
5188 * ieee80211_mle_get_eml_cap - returns the EML capability
5189 * @data: pointer to the multi-link element
5190 * Return: the EML capability field value from the multi-link element,
5191 * or 0 if not present
5192 *
5193 * The element is assumed to be of the correct type (BASIC) and big enough,
5194 * this must be checked using ieee80211_mle_type_ok().
5195 */
ieee80211_mle_get_eml_cap(const u8 * data)5196 static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
5197 {
5198 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5199 u16 control = le16_to_cpu(mle->control);
5200 const u8 *common = mle->variable;
5201
5202 /* common points now at the beginning of ieee80211_mle_basic_common_info */
5203 common += sizeof(struct ieee80211_mle_basic_common_info);
5204
5205 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
5206 return 0;
5207
5208 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5209 common += 1;
5210 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5211 common += 1;
5212 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5213 common += 2;
5214
5215 return get_unaligned_le16(common);
5216 }
5217
5218 /**
5219 * ieee80211_mle_get_mld_capa_op - returns the MLD capabilities and operations.
5220 * @data: pointer to the multi-link element
5221 * Return: the MLD capabilities and operations field value from the multi-link
5222 * element, or 0 if not present
5223 *
5224 * The element is assumed to be of the correct type (BASIC) and big enough,
5225 * this must be checked using ieee80211_mle_type_ok().
5226 */
ieee80211_mle_get_mld_capa_op(const u8 * data)5227 static inline u16 ieee80211_mle_get_mld_capa_op(const u8 *data)
5228 {
5229 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5230 u16 control = le16_to_cpu(mle->control);
5231 const u8 *common = mle->variable;
5232
5233 /*
5234 * common points now at the beginning of
5235 * ieee80211_mle_basic_common_info
5236 */
5237 common += sizeof(struct ieee80211_mle_basic_common_info);
5238
5239 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP))
5240 return 0;
5241
5242 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5243 common += 1;
5244 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5245 common += 1;
5246 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5247 common += 2;
5248 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5249 common += 2;
5250
5251 return get_unaligned_le16(common);
5252 }
5253
5254 /**
5255 * ieee80211_mle_get_ext_mld_capa_op - returns the extended MLD capabilities
5256 * and operations.
5257 * @data: pointer to the multi-link element
5258 * Return: the extended MLD capabilities and operations field value from
5259 * the multi-link element, or 0 if not present
5260 *
5261 * The element is assumed to be of the correct type (BASIC) and big enough,
5262 * this must be checked using ieee80211_mle_type_ok().
5263 */
ieee80211_mle_get_ext_mld_capa_op(const u8 * data)5264 static inline u16 ieee80211_mle_get_ext_mld_capa_op(const u8 *data)
5265 {
5266 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5267 u16 control = le16_to_cpu(mle->control);
5268 const u8 *common = mle->variable;
5269
5270 /*
5271 * common points now at the beginning of
5272 * ieee80211_mle_basic_common_info
5273 */
5274 common += sizeof(struct ieee80211_mle_basic_common_info);
5275
5276 if (!(control & IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP))
5277 return 0;
5278
5279 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5280 common += 1;
5281 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5282 common += 1;
5283 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5284 common += 2;
5285 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5286 common += 2;
5287 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5288 common += 2;
5289 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5290 common += 1;
5291
5292 return get_unaligned_le16(common);
5293 }
5294
5295 /**
5296 * ieee80211_mle_get_mld_id - returns the MLD ID
5297 * @data: pointer to the multi-link element
5298 * Return: The MLD ID in the given multi-link element, or 0 if not present
5299 *
5300 * The element is assumed to be of the correct type (BASIC) and big enough,
5301 * this must be checked using ieee80211_mle_type_ok().
5302 */
ieee80211_mle_get_mld_id(const u8 * data)5303 static inline u8 ieee80211_mle_get_mld_id(const u8 *data)
5304 {
5305 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5306 u16 control = le16_to_cpu(mle->control);
5307 const u8 *common = mle->variable;
5308
5309 /*
5310 * common points now at the beginning of
5311 * ieee80211_mle_basic_common_info
5312 */
5313 common += sizeof(struct ieee80211_mle_basic_common_info);
5314
5315 if (!(control & IEEE80211_MLC_BASIC_PRES_MLD_ID))
5316 return 0;
5317
5318 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5319 common += 1;
5320 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5321 common += 1;
5322 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5323 common += 2;
5324 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5325 common += 2;
5326 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5327 common += 2;
5328
5329 return *common;
5330 }
5331
5332 /**
5333 * ieee80211_mle_size_ok - validate multi-link element size
5334 * @data: pointer to the element data
5335 * @len: length of the containing element
5336 * Return: whether or not the multi-link element size is OK
5337 */
ieee80211_mle_size_ok(const u8 * data,size_t len)5338 static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5339 {
5340 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5341 u8 fixed = sizeof(*mle);
5342 u8 common = 0;
5343 bool check_common_len = false;
5344 u16 control;
5345
5346 if (!data || len < fixed)
5347 return false;
5348
5349 control = le16_to_cpu(mle->control);
5350
5351 switch (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE)) {
5352 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5353 common += sizeof(struct ieee80211_mle_basic_common_info);
5354 check_common_len = true;
5355 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5356 common += 1;
5357 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5358 common += 1;
5359 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5360 common += 2;
5361 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5362 common += 2;
5363 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5364 common += 2;
5365 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5366 common += 1;
5367 if (control & IEEE80211_MLC_BASIC_PRES_EXT_MLD_CAPA_OP)
5368 common += 2;
5369 break;
5370 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5371 common += sizeof(struct ieee80211_mle_preq_common_info);
5372 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5373 common += 1;
5374 check_common_len = true;
5375 break;
5376 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5377 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5378 common += ETH_ALEN;
5379 if (control & IEEE80211_MLC_RECONF_PRES_EML_CAPA)
5380 common += 2;
5381 if (control & IEEE80211_MLC_RECONF_PRES_MLD_CAPA_OP)
5382 common += 2;
5383 if (control & IEEE80211_MLC_RECONF_PRES_EXT_MLD_CAPA_OP)
5384 common += 2;
5385 break;
5386 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5387 common += sizeof(struct ieee80211_mle_tdls_common_info);
5388 check_common_len = true;
5389 break;
5390 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5391 common = ETH_ALEN + 1;
5392 break;
5393 default:
5394 /* we don't know this type */
5395 return true;
5396 }
5397
5398 if (len < fixed + common)
5399 return false;
5400
5401 if (!check_common_len)
5402 return true;
5403
5404 /* if present, common length is the first octet there */
5405 return mle->variable[0] >= common;
5406 }
5407
5408 /**
5409 * ieee80211_mle_type_ok - validate multi-link element type and size
5410 * @data: pointer to the element data
5411 * @type: expected type of the element
5412 * @len: length of the containing element
5413 * Return: whether or not the multi-link element type matches and size is OK
5414 */
ieee80211_mle_type_ok(const u8 * data,u8 type,size_t len)5415 static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5416 {
5417 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5418 u16 control;
5419
5420 if (!ieee80211_mle_size_ok(data, len))
5421 return false;
5422
5423 control = le16_to_cpu(mle->control);
5424
5425 if (u16_get_bits(control, IEEE80211_ML_CONTROL_TYPE) == type)
5426 return true;
5427
5428 return false;
5429 }
5430
5431 enum ieee80211_mle_subelems {
5432 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5433 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5434 };
5435
5436 #define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5437 #define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5438 #define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5439 #define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5440 #define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5441 #define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5442 #define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5443 #define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5444 #define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5445
5446 struct ieee80211_mle_per_sta_profile {
5447 __le16 control;
5448 u8 sta_info_len;
5449 u8 variable[];
5450 } __packed;
5451
5452 /**
5453 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5454 * profile size
5455 * @data: pointer to the sub element data
5456 * @len: length of the containing sub element
5457 * Return: %true if the STA profile is large enough, %false otherwise
5458 */
ieee80211_mle_basic_sta_prof_size_ok(const u8 * data,size_t len)5459 static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5460 size_t len)
5461 {
5462 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5463 u16 control;
5464 u8 fixed = sizeof(*prof);
5465 u8 info_len = 1;
5466
5467 if (len < fixed)
5468 return false;
5469
5470 control = le16_to_cpu(prof->control);
5471
5472 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5473 info_len += 6;
5474 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5475 info_len += 2;
5476 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5477 info_len += 8;
5478 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5479 info_len += 2;
5480 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5481 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5482 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5483 info_len += 2;
5484 else
5485 info_len += 1;
5486 }
5487 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5488 info_len += 1;
5489
5490 return prof->sta_info_len >= info_len &&
5491 fixed + prof->sta_info_len - 1 <= len;
5492 }
5493
5494 /**
5495 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5496 * parameter change count
5497 * @prof: the per-STA profile, having been checked with
5498 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5499 *
5500 * Return: The BSS parameter change count value if present, 0 otherwise.
5501 */
5502 static inline u8
ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile * prof)5503 ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5504 {
5505 u16 control = le16_to_cpu(prof->control);
5506 const u8 *pos = prof->variable;
5507
5508 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5509 return 0;
5510
5511 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5512 pos += 6;
5513 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5514 pos += 2;
5515 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5516 pos += 8;
5517 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5518 pos += 2;
5519 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5520 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5521 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5522 pos += 2;
5523 else
5524 pos += 1;
5525 }
5526
5527 return *pos;
5528 }
5529
5530 #define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5531 #define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5532 #define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5533 #define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5534 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE 0x0780
5535 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_AP_REM 0
5536 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_OP_PARAM_UPDATE 1
5537 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_ADD_LINK 2
5538 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_DEL_LINK 3
5539 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_TYPE_NSTR_STATUS 4
5540 #define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5541
5542 /**
5543 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5544 * element sta profile size.
5545 * @data: pointer to the sub element data
5546 * @len: length of the containing sub element
5547 * Return: %true if the STA profile is large enough, %false otherwise
5548 */
ieee80211_mle_reconf_sta_prof_size_ok(const u8 * data,size_t len)5549 static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5550 size_t len)
5551 {
5552 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5553 u16 control;
5554 u8 fixed = sizeof(*prof);
5555 u8 info_len = 1;
5556
5557 if (len < fixed)
5558 return false;
5559
5560 control = le16_to_cpu(prof->control);
5561
5562 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5563 info_len += ETH_ALEN;
5564 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5565 info_len += 2;
5566 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5567 info_len += 2;
5568
5569 return prof->sta_info_len >= info_len &&
5570 fixed + prof->sta_info_len - 1 <= len;
5571 }
5572
ieee80211_tid_to_link_map_size_ok(const u8 * data,size_t len)5573 static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5574 {
5575 const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5576 u8 control, fixed = sizeof(*t2l), elem_len = 0;
5577
5578 if (len < fixed)
5579 return false;
5580
5581 control = t2l->control;
5582
5583 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5584 elem_len += 2;
5585 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5586 elem_len += 3;
5587
5588 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5589 u8 bm_size;
5590
5591 elem_len += 1;
5592 if (len < fixed + elem_len)
5593 return false;
5594
5595 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5596 bm_size = 1;
5597 else
5598 bm_size = 2;
5599
5600 elem_len += hweight8(t2l->optional[0]) * bm_size;
5601 }
5602
5603 return len >= fixed + elem_len;
5604 }
5605
5606 #define for_each_mle_subelement(_elem, _data, _len) \
5607 if (ieee80211_mle_size_ok(_data, _len)) \
5608 for_each_element(_elem, \
5609 _data + ieee80211_mle_common_size(_data),\
5610 _len - ieee80211_mle_common_size(_data))
5611
5612 #endif /* LINUX_IEEE80211_H */
5613