1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2023 Intel Corporation
13 */
14
15#ifndef LINUX_IEEE80211_H
16#define LINUX_IEEE80211_H
17
18#include <linux/types.h>
19#include <linux/if_ether.h>
20#include <linux/etherdevice.h>
21#include <linux/bitfield.h>
22#include <asm/byteorder.h>
23#include <asm/unaligned.h>
24
25/*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
41#define FCS_LEN 4
42
43#define IEEE80211_FCTL_VERS 0x0003
44#define IEEE80211_FCTL_FTYPE 0x000c
45#define IEEE80211_FCTL_STYPE 0x00f0
46#define IEEE80211_FCTL_TODS 0x0100
47#define IEEE80211_FCTL_FROMDS 0x0200
48#define IEEE80211_FCTL_MOREFRAGS 0x0400
49#define IEEE80211_FCTL_RETRY 0x0800
50#define IEEE80211_FCTL_PM 0x1000
51#define IEEE80211_FCTL_MOREDATA 0x2000
52#define IEEE80211_FCTL_PROTECTED 0x4000
53#define IEEE80211_FCTL_ORDER 0x8000
54#define IEEE80211_FCTL_CTL_EXT 0x0f00
55
56#define IEEE80211_SCTL_FRAG 0x000F
57#define IEEE80211_SCTL_SEQ 0xFFF0
58
59#define IEEE80211_FTYPE_MGMT 0x0000
60#define IEEE80211_FTYPE_CTL 0x0004
61#define IEEE80211_FTYPE_DATA 0x0008
62#define IEEE80211_FTYPE_EXT 0x000c
63
64/* management */
65#define IEEE80211_STYPE_ASSOC_REQ 0x0000
66#define IEEE80211_STYPE_ASSOC_RESP 0x0010
67#define IEEE80211_STYPE_REASSOC_REQ 0x0020
68#define IEEE80211_STYPE_REASSOC_RESP 0x0030
69#define IEEE80211_STYPE_PROBE_REQ 0x0040
70#define IEEE80211_STYPE_PROBE_RESP 0x0050
71#define IEEE80211_STYPE_BEACON 0x0080
72#define IEEE80211_STYPE_ATIM 0x0090
73#define IEEE80211_STYPE_DISASSOC 0x00A0
74#define IEEE80211_STYPE_AUTH 0x00B0
75#define IEEE80211_STYPE_DEAUTH 0x00C0
76#define IEEE80211_STYPE_ACTION 0x00D0
77
78/* control */
79#define IEEE80211_STYPE_TRIGGER 0x0020
80#define IEEE80211_STYPE_CTL_EXT 0x0060
81#define IEEE80211_STYPE_BACK_REQ 0x0080
82#define IEEE80211_STYPE_BACK 0x0090
83#define IEEE80211_STYPE_PSPOLL 0x00A0
84#define IEEE80211_STYPE_RTS 0x00B0
85#define IEEE80211_STYPE_CTS 0x00C0
86#define IEEE80211_STYPE_ACK 0x00D0
87#define IEEE80211_STYPE_CFEND 0x00E0
88#define IEEE80211_STYPE_CFENDACK 0x00F0
89
90/* data */
91#define IEEE80211_STYPE_DATA 0x0000
92#define IEEE80211_STYPE_DATA_CFACK 0x0010
93#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
94#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
95#define IEEE80211_STYPE_NULLFUNC 0x0040
96#define IEEE80211_STYPE_CFACK 0x0050
97#define IEEE80211_STYPE_CFPOLL 0x0060
98#define IEEE80211_STYPE_CFACKPOLL 0x0070
99#define IEEE80211_STYPE_QOS_DATA 0x0080
100#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
101#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
102#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
103#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
104#define IEEE80211_STYPE_QOS_CFACK 0x00D0
105#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
106#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
107
108/* extension, added by 802.11ad */
109#define IEEE80211_STYPE_DMG_BEACON 0x0000
110#define IEEE80211_STYPE_S1G_BEACON 0x0010
111
112/* bits unique to S1G beacon */
113#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
114
115/* see 802.11ah-2016 9.9 NDP CMAC frames */
116#define IEEE80211_S1G_1MHZ_NDP_BITS 25
117#define IEEE80211_S1G_1MHZ_NDP_BYTES 4
118#define IEEE80211_S1G_2MHZ_NDP_BITS 37
119#define IEEE80211_S1G_2MHZ_NDP_BYTES 5
120
121#define IEEE80211_NDP_FTYPE_CTS 0
122#define IEEE80211_NDP_FTYPE_CF_END 0
123#define IEEE80211_NDP_FTYPE_PS_POLL 1
124#define IEEE80211_NDP_FTYPE_ACK 2
125#define IEEE80211_NDP_FTYPE_PS_POLL_ACK 3
126#define IEEE80211_NDP_FTYPE_BA 4
127#define IEEE80211_NDP_FTYPE_BF_REPORT_POLL 5
128#define IEEE80211_NDP_FTYPE_PAGING 6
129#define IEEE80211_NDP_FTYPE_PREQ 7
130
131#define SM64(f, v) ((((u64)v) << f##_S) & f)
132
133/* NDP CMAC frame fields */
134#define IEEE80211_NDP_FTYPE 0x0000000000000007
135#define IEEE80211_NDP_FTYPE_S 0x0000000000000000
136
137/* 1M Probe Request 11ah 9.9.3.1.1 */
138#define IEEE80211_NDP_1M_PREQ_ANO 0x0000000000000008
139#define IEEE80211_NDP_1M_PREQ_ANO_S 3
140#define IEEE80211_NDP_1M_PREQ_CSSID 0x00000000000FFFF0
141#define IEEE80211_NDP_1M_PREQ_CSSID_S 4
142#define IEEE80211_NDP_1M_PREQ_RTYPE 0x0000000000100000
143#define IEEE80211_NDP_1M_PREQ_RTYPE_S 20
144#define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
145#define IEEE80211_NDP_1M_PREQ_RSV 0x0000000001E00000
146/* 2M Probe Request 11ah 9.9.3.1.2 */
147#define IEEE80211_NDP_2M_PREQ_ANO 0x0000000000000008
148#define IEEE80211_NDP_2M_PREQ_ANO_S 3
149#define IEEE80211_NDP_2M_PREQ_CSSID 0x0000000FFFFFFFF0
150#define IEEE80211_NDP_2M_PREQ_CSSID_S 4
151#define IEEE80211_NDP_2M_PREQ_RTYPE 0x0000001000000000
152#define IEEE80211_NDP_2M_PREQ_RTYPE_S 36
153
154#define IEEE80211_ANO_NETTYPE_WILD 15
155
156/* bits unique to S1G beacon */
157#define IEEE80211_S1G_BCN_NEXT_TBTT 0x100
158
159/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
160#define IEEE80211_CTL_EXT_POLL 0x2000
161#define IEEE80211_CTL_EXT_SPR 0x3000
162#define IEEE80211_CTL_EXT_GRANT 0x4000
163#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
164#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
165#define IEEE80211_CTL_EXT_SSW 0x8000
166#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
167#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
168
169
170#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
171#define IEEE80211_MAX_SN IEEE80211_SN_MASK
172#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
173
174
175/* PV1 Layout 11ah 9.8.3.1 */
176#define IEEE80211_PV1_FCTL_VERS 0x0003
177#define IEEE80211_PV1_FCTL_FTYPE 0x001c
178#define IEEE80211_PV1_FCTL_STYPE 0x00e0
179#define IEEE80211_PV1_FCTL_TODS 0x0100
180#define IEEE80211_PV1_FCTL_MOREFRAGS 0x0200
181#define IEEE80211_PV1_FCTL_PM 0x0400
182#define IEEE80211_PV1_FCTL_MOREDATA 0x0800
183#define IEEE80211_PV1_FCTL_PROTECTED 0x1000
184#define IEEE80211_PV1_FCTL_END_SP 0x2000
185#define IEEE80211_PV1_FCTL_RELAYED 0x4000
186#define IEEE80211_PV1_FCTL_ACK_POLICY 0x8000
187#define IEEE80211_PV1_FCTL_CTL_EXT 0x0f00
188
189static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
190{
191 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
192}
193
194static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
195{
196 return (sn1 + sn2) & IEEE80211_SN_MASK;
197}
198
199static inline u16 ieee80211_sn_inc(u16 sn)
200{
201 return ieee80211_sn_add(sn1: sn, sn2: 1);
202}
203
204static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
205{
206 return (sn1 - sn2) & IEEE80211_SN_MASK;
207}
208
209#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
210#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
211
212/* miscellaneous IEEE 802.11 constants */
213#define IEEE80211_MAX_FRAG_THRESHOLD 2352
214#define IEEE80211_MAX_RTS_THRESHOLD 2353
215#define IEEE80211_MAX_AID 2007
216#define IEEE80211_MAX_AID_S1G 8191
217#define IEEE80211_MAX_TIM_LEN 251
218#define IEEE80211_MAX_MESH_PEERINGS 63
219/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
220 6.2.1.1.2.
221
222 802.11e clarifies the figure in section 7.1.2. The frame body is
223 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
224#define IEEE80211_MAX_DATA_LEN 2304
225/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
226 * to 7920 bytes, see 8.2.3 General frame format
227 */
228#define IEEE80211_MAX_DATA_LEN_DMG 7920
229/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
230#define IEEE80211_MAX_FRAME_LEN 2352
231
232/* Maximal size of an A-MSDU that can be transported in a HT BA session */
233#define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
234
235/* Maximal size of an A-MSDU */
236#define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
237#define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
238
239#define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
240#define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
241#define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
242
243#define IEEE80211_MAX_SSID_LEN 32
244
245#define IEEE80211_MAX_MESH_ID_LEN 32
246
247#define IEEE80211_FIRST_TSPEC_TSID 8
248#define IEEE80211_NUM_TIDS 16
249
250/* number of user priorities 802.11 uses */
251#define IEEE80211_NUM_UPS 8
252/* number of ACs */
253#define IEEE80211_NUM_ACS 4
254
255#define IEEE80211_QOS_CTL_LEN 2
256/* 1d tag mask */
257#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
258/* TID mask */
259#define IEEE80211_QOS_CTL_TID_MASK 0x000f
260/* EOSP */
261#define IEEE80211_QOS_CTL_EOSP 0x0010
262/* ACK policy */
263#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
264#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
265#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
266#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
267#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
268/* A-MSDU 802.11n */
269#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
270/* Mesh Control 802.11s */
271#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
272
273/* Mesh Power Save Level */
274#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
275/* Mesh Receiver Service Period Initiated */
276#define IEEE80211_QOS_CTL_RSPI 0x0400
277
278/* U-APSD queue for WMM IEs sent by AP */
279#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
280#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
281
282/* U-APSD queues for WMM IEs sent by STA */
283#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
284#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
285#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
286#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
287#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
288
289/* U-APSD max SP length for WMM IEs sent by STA */
290#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
291#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
292#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
293#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
294#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
295#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
296
297#define IEEE80211_HT_CTL_LEN 4
298
299/* trigger type within common_info of trigger frame */
300#define IEEE80211_TRIGGER_TYPE_MASK 0xf
301#define IEEE80211_TRIGGER_TYPE_BASIC 0x0
302#define IEEE80211_TRIGGER_TYPE_BFRP 0x1
303#define IEEE80211_TRIGGER_TYPE_MU_BAR 0x2
304#define IEEE80211_TRIGGER_TYPE_MU_RTS 0x3
305#define IEEE80211_TRIGGER_TYPE_BSRP 0x4
306#define IEEE80211_TRIGGER_TYPE_GCR_MU_BAR 0x5
307#define IEEE80211_TRIGGER_TYPE_BQRP 0x6
308#define IEEE80211_TRIGGER_TYPE_NFRP 0x7
309
310/* UL-bandwidth within common_info of trigger frame */
311#define IEEE80211_TRIGGER_ULBW_MASK 0xc0000
312#define IEEE80211_TRIGGER_ULBW_20MHZ 0x0
313#define IEEE80211_TRIGGER_ULBW_40MHZ 0x1
314#define IEEE80211_TRIGGER_ULBW_80MHZ 0x2
315#define IEEE80211_TRIGGER_ULBW_160_80P80MHZ 0x3
316
317struct ieee80211_hdr {
318 __le16 frame_control;
319 __le16 duration_id;
320 struct_group(addrs,
321 u8 addr1[ETH_ALEN];
322 u8 addr2[ETH_ALEN];
323 u8 addr3[ETH_ALEN];
324 );
325 __le16 seq_ctrl;
326 u8 addr4[ETH_ALEN];
327} __packed __aligned(2);
328
329struct ieee80211_hdr_3addr {
330 __le16 frame_control;
331 __le16 duration_id;
332 u8 addr1[ETH_ALEN];
333 u8 addr2[ETH_ALEN];
334 u8 addr3[ETH_ALEN];
335 __le16 seq_ctrl;
336} __packed __aligned(2);
337
338struct ieee80211_qos_hdr {
339 __le16 frame_control;
340 __le16 duration_id;
341 u8 addr1[ETH_ALEN];
342 u8 addr2[ETH_ALEN];
343 u8 addr3[ETH_ALEN];
344 __le16 seq_ctrl;
345 __le16 qos_ctrl;
346} __packed __aligned(2);
347
348struct ieee80211_qos_hdr_4addr {
349 __le16 frame_control;
350 __le16 duration_id;
351 u8 addr1[ETH_ALEN];
352 u8 addr2[ETH_ALEN];
353 u8 addr3[ETH_ALEN];
354 __le16 seq_ctrl;
355 u8 addr4[ETH_ALEN];
356 __le16 qos_ctrl;
357} __packed __aligned(2);
358
359struct ieee80211_trigger {
360 __le16 frame_control;
361 __le16 duration;
362 u8 ra[ETH_ALEN];
363 u8 ta[ETH_ALEN];
364 __le64 common_info;
365 u8 variable[];
366} __packed __aligned(2);
367
368/**
369 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
370 * @fc: frame control bytes in little-endian byteorder
371 */
372static inline bool ieee80211_has_tods(__le16 fc)
373{
374 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
375}
376
377/**
378 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
379 * @fc: frame control bytes in little-endian byteorder
380 */
381static inline bool ieee80211_has_fromds(__le16 fc)
382{
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
384}
385
386/**
387 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
388 * @fc: frame control bytes in little-endian byteorder
389 */
390static inline bool ieee80211_has_a4(__le16 fc)
391{
392 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
393 return (fc & tmp) == tmp;
394}
395
396/**
397 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
398 * @fc: frame control bytes in little-endian byteorder
399 */
400static inline bool ieee80211_has_morefrags(__le16 fc)
401{
402 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
403}
404
405/**
406 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
407 * @fc: frame control bytes in little-endian byteorder
408 */
409static inline bool ieee80211_has_retry(__le16 fc)
410{
411 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
412}
413
414/**
415 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
416 * @fc: frame control bytes in little-endian byteorder
417 */
418static inline bool ieee80211_has_pm(__le16 fc)
419{
420 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
421}
422
423/**
424 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
425 * @fc: frame control bytes in little-endian byteorder
426 */
427static inline bool ieee80211_has_moredata(__le16 fc)
428{
429 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
430}
431
432/**
433 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
434 * @fc: frame control bytes in little-endian byteorder
435 */
436static inline bool ieee80211_has_protected(__le16 fc)
437{
438 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
439}
440
441/**
442 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
443 * @fc: frame control bytes in little-endian byteorder
444 */
445static inline bool ieee80211_has_order(__le16 fc)
446{
447 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
448}
449
450/**
451 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
452 * @fc: frame control bytes in little-endian byteorder
453 */
454static inline bool ieee80211_is_mgmt(__le16 fc)
455{
456 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
457 cpu_to_le16(IEEE80211_FTYPE_MGMT);
458}
459
460/**
461 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
462 * @fc: frame control bytes in little-endian byteorder
463 */
464static inline bool ieee80211_is_ctl(__le16 fc)
465{
466 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
467 cpu_to_le16(IEEE80211_FTYPE_CTL);
468}
469
470/**
471 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
472 * @fc: frame control bytes in little-endian byteorder
473 */
474static inline bool ieee80211_is_data(__le16 fc)
475{
476 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
477 cpu_to_le16(IEEE80211_FTYPE_DATA);
478}
479
480/**
481 * ieee80211_is_ext - check if type is IEEE80211_FTYPE_EXT
482 * @fc: frame control bytes in little-endian byteorder
483 */
484static inline bool ieee80211_is_ext(__le16 fc)
485{
486 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
487 cpu_to_le16(IEEE80211_FTYPE_EXT);
488}
489
490
491/**
492 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
493 * @fc: frame control bytes in little-endian byteorder
494 */
495static inline bool ieee80211_is_data_qos(__le16 fc)
496{
497 /*
498 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
499 * to check the one bit
500 */
501 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
502 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
503}
504
505/**
506 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
507 * @fc: frame control bytes in little-endian byteorder
508 */
509static inline bool ieee80211_is_data_present(__le16 fc)
510{
511 /*
512 * mask with 0x40 and test that that bit is clear to only return true
513 * for the data-containing substypes.
514 */
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
516 cpu_to_le16(IEEE80211_FTYPE_DATA);
517}
518
519/**
520 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
521 * @fc: frame control bytes in little-endian byteorder
522 */
523static inline bool ieee80211_is_assoc_req(__le16 fc)
524{
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
527}
528
529/**
530 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
531 * @fc: frame control bytes in little-endian byteorder
532 */
533static inline bool ieee80211_is_assoc_resp(__le16 fc)
534{
535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
536 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
537}
538
539/**
540 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
541 * @fc: frame control bytes in little-endian byteorder
542 */
543static inline bool ieee80211_is_reassoc_req(__le16 fc)
544{
545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
546 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
547}
548
549/**
550 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
551 * @fc: frame control bytes in little-endian byteorder
552 */
553static inline bool ieee80211_is_reassoc_resp(__le16 fc)
554{
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
557}
558
559/**
560 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
561 * @fc: frame control bytes in little-endian byteorder
562 */
563static inline bool ieee80211_is_probe_req(__le16 fc)
564{
565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
566 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
567}
568
569/**
570 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
571 * @fc: frame control bytes in little-endian byteorder
572 */
573static inline bool ieee80211_is_probe_resp(__le16 fc)
574{
575 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
576 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
577}
578
579/**
580 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
581 * @fc: frame control bytes in little-endian byteorder
582 */
583static inline bool ieee80211_is_beacon(__le16 fc)
584{
585 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
586 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
587}
588
589/**
590 * ieee80211_is_s1g_beacon - check if IEEE80211_FTYPE_EXT &&
591 * IEEE80211_STYPE_S1G_BEACON
592 * @fc: frame control bytes in little-endian byteorder
593 */
594static inline bool ieee80211_is_s1g_beacon(__le16 fc)
595{
596 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE |
597 IEEE80211_FCTL_STYPE)) ==
598 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON);
599}
600
601/**
602 * ieee80211_next_tbtt_present - check if IEEE80211_FTYPE_EXT &&
603 * IEEE80211_STYPE_S1G_BEACON && IEEE80211_S1G_BCN_NEXT_TBTT
604 * @fc: frame control bytes in little-endian byteorder
605 */
606static inline bool ieee80211_next_tbtt_present(__le16 fc)
607{
608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
609 cpu_to_le16(IEEE80211_FTYPE_EXT | IEEE80211_STYPE_S1G_BEACON) &&
610 fc & cpu_to_le16(IEEE80211_S1G_BCN_NEXT_TBTT);
611}
612
613/**
614 * ieee80211_is_s1g_short_beacon - check if next tbtt present bit is set. Only
615 * true for S1G beacons when they're short.
616 * @fc: frame control bytes in little-endian byteorder
617 */
618static inline bool ieee80211_is_s1g_short_beacon(__le16 fc)
619{
620 return ieee80211_is_s1g_beacon(fc) && ieee80211_next_tbtt_present(fc);
621}
622
623/**
624 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
625 * @fc: frame control bytes in little-endian byteorder
626 */
627static inline bool ieee80211_is_atim(__le16 fc)
628{
629 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
630 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
631}
632
633/**
634 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
635 * @fc: frame control bytes in little-endian byteorder
636 */
637static inline bool ieee80211_is_disassoc(__le16 fc)
638{
639 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
640 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
641}
642
643/**
644 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
645 * @fc: frame control bytes in little-endian byteorder
646 */
647static inline bool ieee80211_is_auth(__le16 fc)
648{
649 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
650 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
651}
652
653/**
654 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
655 * @fc: frame control bytes in little-endian byteorder
656 */
657static inline bool ieee80211_is_deauth(__le16 fc)
658{
659 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
660 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
661}
662
663/**
664 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
665 * @fc: frame control bytes in little-endian byteorder
666 */
667static inline bool ieee80211_is_action(__le16 fc)
668{
669 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
670 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
671}
672
673/**
674 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
675 * @fc: frame control bytes in little-endian byteorder
676 */
677static inline bool ieee80211_is_back_req(__le16 fc)
678{
679 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
680 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
681}
682
683/**
684 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
685 * @fc: frame control bytes in little-endian byteorder
686 */
687static inline bool ieee80211_is_back(__le16 fc)
688{
689 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
690 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
691}
692
693/**
694 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
695 * @fc: frame control bytes in little-endian byteorder
696 */
697static inline bool ieee80211_is_pspoll(__le16 fc)
698{
699 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
700 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
701}
702
703/**
704 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
705 * @fc: frame control bytes in little-endian byteorder
706 */
707static inline bool ieee80211_is_rts(__le16 fc)
708{
709 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
710 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
711}
712
713/**
714 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
715 * @fc: frame control bytes in little-endian byteorder
716 */
717static inline bool ieee80211_is_cts(__le16 fc)
718{
719 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
720 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
721}
722
723/**
724 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
725 * @fc: frame control bytes in little-endian byteorder
726 */
727static inline bool ieee80211_is_ack(__le16 fc)
728{
729 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
730 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
731}
732
733/**
734 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
735 * @fc: frame control bytes in little-endian byteorder
736 */
737static inline bool ieee80211_is_cfend(__le16 fc)
738{
739 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
740 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
741}
742
743/**
744 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
745 * @fc: frame control bytes in little-endian byteorder
746 */
747static inline bool ieee80211_is_cfendack(__le16 fc)
748{
749 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
750 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
751}
752
753/**
754 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
755 * @fc: frame control bytes in little-endian byteorder
756 */
757static inline bool ieee80211_is_nullfunc(__le16 fc)
758{
759 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
760 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
761}
762
763/**
764 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
765 * @fc: frame control bytes in little-endian byteorder
766 */
767static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
768{
769 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
770 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
771}
772
773/**
774 * ieee80211_is_trigger - check if frame is trigger frame
775 * @fc: frame control field in little-endian byteorder
776 */
777static inline bool ieee80211_is_trigger(__le16 fc)
778{
779 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
780 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_TRIGGER);
781}
782
783/**
784 * ieee80211_is_any_nullfunc - check if frame is regular or QoS nullfunc frame
785 * @fc: frame control bytes in little-endian byteorder
786 */
787static inline bool ieee80211_is_any_nullfunc(__le16 fc)
788{
789 return (ieee80211_is_nullfunc(fc) || ieee80211_is_qos_nullfunc(fc));
790}
791
792/**
793 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
794 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
795 */
796static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
797{
798 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
799}
800
801/**
802 * ieee80211_is_frag - check if a frame is a fragment
803 * @hdr: 802.11 header of the frame
804 */
805static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
806{
807 return ieee80211_has_morefrags(fc: hdr->frame_control) ||
808 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
809}
810
811struct ieee80211s_hdr {
812 u8 flags;
813 u8 ttl;
814 __le32 seqnum;
815 u8 eaddr1[ETH_ALEN];
816 u8 eaddr2[ETH_ALEN];
817} __packed __aligned(2);
818
819/* Mesh flags */
820#define MESH_FLAGS_AE_A4 0x1
821#define MESH_FLAGS_AE_A5_A6 0x2
822#define MESH_FLAGS_AE 0x3
823#define MESH_FLAGS_PS_DEEP 0x4
824
825/**
826 * enum ieee80211_preq_flags - mesh PREQ element flags
827 *
828 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
829 */
830enum ieee80211_preq_flags {
831 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
832};
833
834/**
835 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
836 *
837 * @IEEE80211_PREQ_TO_FLAG: target only subfield
838 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
839 */
840enum ieee80211_preq_target_flags {
841 IEEE80211_PREQ_TO_FLAG = 1<<0,
842 IEEE80211_PREQ_USN_FLAG = 1<<2,
843};
844
845/**
846 * struct ieee80211_quiet_ie - Quiet element
847 * @count: Quiet Count
848 * @period: Quiet Period
849 * @duration: Quiet Duration
850 * @offset: Quiet Offset
851 *
852 * This structure represents the payload of the "Quiet element" as
853 * described in IEEE Std 802.11-2020 section 9.4.2.22.
854 */
855struct ieee80211_quiet_ie {
856 u8 count;
857 u8 period;
858 __le16 duration;
859 __le16 offset;
860} __packed;
861
862/**
863 * struct ieee80211_msrment_ie - Measurement element
864 * @token: Measurement Token
865 * @mode: Measurement Report Mode
866 * @type: Measurement Type
867 * @request: Measurement Request or Measurement Report
868 *
869 * This structure represents the payload of both the "Measurement
870 * Request element" and the "Measurement Report element" as described
871 * in IEEE Std 802.11-2020 sections 9.4.2.20 and 9.4.2.21.
872 */
873struct ieee80211_msrment_ie {
874 u8 token;
875 u8 mode;
876 u8 type;
877 u8 request[];
878} __packed;
879
880/**
881 * struct ieee80211_channel_sw_ie - Channel Switch Announcement element
882 * @mode: Channel Switch Mode
883 * @new_ch_num: New Channel Number
884 * @count: Channel Switch Count
885 *
886 * This structure represents the payload of the "Channel Switch
887 * Announcement element" as described in IEEE Std 802.11-2020 section
888 * 9.4.2.18.
889 */
890struct ieee80211_channel_sw_ie {
891 u8 mode;
892 u8 new_ch_num;
893 u8 count;
894} __packed;
895
896/**
897 * struct ieee80211_ext_chansw_ie - Extended Channel Switch Announcement element
898 * @mode: Channel Switch Mode
899 * @new_operating_class: New Operating Class
900 * @new_ch_num: New Channel Number
901 * @count: Channel Switch Count
902 *
903 * This structure represents the "Extended Channel Switch Announcement
904 * element" as described in IEEE Std 802.11-2020 section 9.4.2.52.
905 */
906struct ieee80211_ext_chansw_ie {
907 u8 mode;
908 u8 new_operating_class;
909 u8 new_ch_num;
910 u8 count;
911} __packed;
912
913/**
914 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
915 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
916 * values here
917 * This structure represents the "Secondary Channel Offset element"
918 */
919struct ieee80211_sec_chan_offs_ie {
920 u8 sec_chan_offs;
921} __packed;
922
923/**
924 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
925 * @mesh_ttl: Time To Live
926 * @mesh_flags: Flags
927 * @mesh_reason: Reason Code
928 * @mesh_pre_value: Precedence Value
929 *
930 * This structure represents the payload of the "Mesh Channel Switch
931 * Parameters element" as described in IEEE Std 802.11-2020 section
932 * 9.4.2.102.
933 */
934struct ieee80211_mesh_chansw_params_ie {
935 u8 mesh_ttl;
936 u8 mesh_flags;
937 __le16 mesh_reason;
938 __le16 mesh_pre_value;
939} __packed;
940
941/**
942 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
943 * @new_channel_width: New Channel Width
944 * @new_center_freq_seg0: New Channel Center Frequency Segment 0
945 * @new_center_freq_seg1: New Channel Center Frequency Segment 1
946 *
947 * This structure represents the payload of the "Wide Bandwidth
948 * Channel Switch element" as described in IEEE Std 802.11-2020
949 * section 9.4.2.160.
950 */
951struct ieee80211_wide_bw_chansw_ie {
952 u8 new_channel_width;
953 u8 new_center_freq_seg0, new_center_freq_seg1;
954} __packed;
955
956/**
957 * struct ieee80211_tim_ie - Traffic Indication Map information element
958 * @dtim_count: DTIM Count
959 * @dtim_period: DTIM Period
960 * @bitmap_ctrl: Bitmap Control
961 * @required_octet: "Syntatic sugar" to force the struct size to the
962 * minimum valid size when carried in a non-S1G PPDU
963 * @virtual_map: Partial Virtual Bitmap
964 *
965 * This structure represents the payload of the "TIM element" as
966 * described in IEEE Std 802.11-2020 section 9.4.2.5. Note that this
967 * definition is only applicable when the element is carried in a
968 * non-S1G PPDU. When the TIM is carried in an S1G PPDU, the Bitmap
969 * Control and Partial Virtual Bitmap may not be present.
970 */
971struct ieee80211_tim_ie {
972 u8 dtim_count;
973 u8 dtim_period;
974 u8 bitmap_ctrl;
975 union {
976 u8 required_octet;
977 DECLARE_FLEX_ARRAY(u8, virtual_map);
978 };
979} __packed;
980
981/**
982 * struct ieee80211_meshconf_ie - Mesh Configuration element
983 * @meshconf_psel: Active Path Selection Protocol Identifier
984 * @meshconf_pmetric: Active Path Selection Metric Identifier
985 * @meshconf_congest: Congestion Control Mode Identifier
986 * @meshconf_synch: Synchronization Method Identifier
987 * @meshconf_auth: Authentication Protocol Identifier
988 * @meshconf_form: Mesh Formation Info
989 * @meshconf_cap: Mesh Capability (see &enum mesh_config_capab_flags)
990 *
991 * This structure represents the payload of the "Mesh Configuration
992 * element" as described in IEEE Std 802.11-2020 section 9.4.2.97.
993 */
994struct ieee80211_meshconf_ie {
995 u8 meshconf_psel;
996 u8 meshconf_pmetric;
997 u8 meshconf_congest;
998 u8 meshconf_synch;
999 u8 meshconf_auth;
1000 u8 meshconf_form;
1001 u8 meshconf_cap;
1002} __packed;
1003
1004/**
1005 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
1006 *
1007 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
1008 * additional mesh peerings with other mesh STAs
1009 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
1010 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
1011 * is ongoing
1012 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
1013 * neighbors in deep sleep mode
1014 *
1015 * Enumerates the "Mesh Capability" as described in IEEE Std
1016 * 802.11-2020 section 9.4.2.97.7.
1017 */
1018enum mesh_config_capab_flags {
1019 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
1020 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
1021 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
1022 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
1023};
1024
1025#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
1026
1027/*
1028 * mesh channel switch parameters element's flag indicator
1029 *
1030 */
1031#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
1032#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
1033#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
1034
1035/**
1036 * struct ieee80211_rann_ie - RANN (root announcement) element
1037 * @rann_flags: Flags
1038 * @rann_hopcount: Hop Count
1039 * @rann_ttl: Element TTL
1040 * @rann_addr: Root Mesh STA Address
1041 * @rann_seq: HWMP Sequence Number
1042 * @rann_interval: Interval
1043 * @rann_metric: Metric
1044 *
1045 * This structure represents the payload of the "RANN element" as
1046 * described in IEEE Std 802.11-2020 section 9.4.2.111.
1047 */
1048struct ieee80211_rann_ie {
1049 u8 rann_flags;
1050 u8 rann_hopcount;
1051 u8 rann_ttl;
1052 u8 rann_addr[ETH_ALEN];
1053 __le32 rann_seq;
1054 __le32 rann_interval;
1055 __le32 rann_metric;
1056} __packed;
1057
1058enum ieee80211_rann_flags {
1059 RANN_FLAG_IS_GATE = 1 << 0,
1060};
1061
1062enum ieee80211_ht_chanwidth_values {
1063 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
1064 IEEE80211_HT_CHANWIDTH_ANY = 1,
1065};
1066
1067/**
1068 * enum ieee80211_vht_opmode_bits - VHT operating mode field bits
1069 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
1070 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
1071 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
1072 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
1073 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
1074 * @IEEE80211_OPMODE_NOTIF_BW_160_80P80: 160 / 80+80 MHz indicator flag
1075 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
1076 * (the NSS value is the value of this field + 1)
1077 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
1078 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
1079 * using a beamforming steering matrix
1080 */
1081enum ieee80211_vht_opmode_bits {
1082 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 0x03,
1083 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
1084 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
1085 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
1086 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
1087 IEEE80211_OPMODE_NOTIF_BW_160_80P80 = 0x04,
1088 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
1089 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
1090 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
1091};
1092
1093/**
1094 * enum ieee80211_s1g_chanwidth
1095 * These are defined in IEEE802.11-2016ah Table 10-20
1096 * as BSS Channel Width
1097 *
1098 * @IEEE80211_S1G_CHANWIDTH_1MHZ: 1MHz operating channel
1099 * @IEEE80211_S1G_CHANWIDTH_2MHZ: 2MHz operating channel
1100 * @IEEE80211_S1G_CHANWIDTH_4MHZ: 4MHz operating channel
1101 * @IEEE80211_S1G_CHANWIDTH_8MHZ: 8MHz operating channel
1102 * @IEEE80211_S1G_CHANWIDTH_16MHZ: 16MHz operating channel
1103 */
1104enum ieee80211_s1g_chanwidth {
1105 IEEE80211_S1G_CHANWIDTH_1MHZ = 0,
1106 IEEE80211_S1G_CHANWIDTH_2MHZ = 1,
1107 IEEE80211_S1G_CHANWIDTH_4MHZ = 3,
1108 IEEE80211_S1G_CHANWIDTH_8MHZ = 7,
1109 IEEE80211_S1G_CHANWIDTH_16MHZ = 15,
1110};
1111
1112#define WLAN_SA_QUERY_TR_ID_LEN 2
1113#define WLAN_MEMBERSHIP_LEN 8
1114#define WLAN_USER_POSITION_LEN 16
1115
1116/**
1117 * struct ieee80211_tpc_report_ie - TPC Report element
1118 * @tx_power: Transmit Power
1119 * @link_margin: Link Margin
1120 *
1121 * This structure represents the payload of the "TPC Report element" as
1122 * described in IEEE Std 802.11-2020 section 9.4.2.16.
1123 */
1124struct ieee80211_tpc_report_ie {
1125 u8 tx_power;
1126 u8 link_margin;
1127} __packed;
1128
1129#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_MASK GENMASK(2, 1)
1130#define IEEE80211_ADDBA_EXT_FRAG_LEVEL_SHIFT 1
1131#define IEEE80211_ADDBA_EXT_NO_FRAG BIT(0)
1132#define IEEE80211_ADDBA_EXT_BUF_SIZE_MASK GENMASK(7, 5)
1133#define IEEE80211_ADDBA_EXT_BUF_SIZE_SHIFT 10
1134
1135struct ieee80211_addba_ext_ie {
1136 u8 data;
1137} __packed;
1138
1139/**
1140 * struct ieee80211_s1g_bcn_compat_ie - S1G Beacon Compatibility element
1141 * @compat_info: Compatibility Information
1142 * @beacon_int: Beacon Interval
1143 * @tsf_completion: TSF Completion
1144 *
1145 * This structure represents the payload of the "S1G Beacon
1146 * Compatibility element" as described in IEEE Std 802.11-2020 section
1147 * 9.4.2.196.
1148 */
1149struct ieee80211_s1g_bcn_compat_ie {
1150 __le16 compat_info;
1151 __le16 beacon_int;
1152 __le32 tsf_completion;
1153} __packed;
1154
1155/**
1156 * struct ieee80211_s1g_oper_ie - S1G Operation element
1157 * @ch_width: S1G Operation Information Channel Width
1158 * @oper_class: S1G Operation Information Operating Class
1159 * @primary_ch: S1G Operation Information Primary Channel Number
1160 * @oper_ch: S1G Operation Information Channel Center Frequency
1161 * @basic_mcs_nss: Basic S1G-MCS and NSS Set
1162 *
1163 * This structure represents the payload of the "S1G Operation
1164 * element" as described in IEEE Std 802.11-2020 section 9.4.2.212.
1165 */
1166struct ieee80211_s1g_oper_ie {
1167 u8 ch_width;
1168 u8 oper_class;
1169 u8 primary_ch;
1170 u8 oper_ch;
1171 __le16 basic_mcs_nss;
1172} __packed;
1173
1174/**
1175 * struct ieee80211_aid_response_ie - AID Response element
1176 * @aid: AID/Group AID
1177 * @switch_count: AID Switch Count
1178 * @response_int: AID Response Interval
1179 *
1180 * This structure represents the payload of the "AID Response element"
1181 * as described in IEEE Std 802.11-2020 section 9.4.2.194.
1182 */
1183struct ieee80211_aid_response_ie {
1184 __le16 aid;
1185 u8 switch_count;
1186 __le16 response_int;
1187} __packed;
1188
1189struct ieee80211_s1g_cap {
1190 u8 capab_info[10];
1191 u8 supp_mcs_nss[5];
1192} __packed;
1193
1194struct ieee80211_ext {
1195 __le16 frame_control;
1196 __le16 duration;
1197 union {
1198 struct {
1199 u8 sa[ETH_ALEN];
1200 __le32 timestamp;
1201 u8 change_seq;
1202 u8 variable[0];
1203 } __packed s1g_beacon;
1204 struct {
1205 u8 sa[ETH_ALEN];
1206 __le32 timestamp;
1207 u8 change_seq;
1208 u8 next_tbtt[3];
1209 u8 variable[0];
1210 } __packed s1g_short_beacon;
1211 } u;
1212} __packed __aligned(2);
1213
1214#define IEEE80211_TWT_CONTROL_NDP BIT(0)
1215#define IEEE80211_TWT_CONTROL_RESP_MODE BIT(1)
1216#define IEEE80211_TWT_CONTROL_NEG_TYPE_BROADCAST BIT(3)
1217#define IEEE80211_TWT_CONTROL_RX_DISABLED BIT(4)
1218#define IEEE80211_TWT_CONTROL_WAKE_DUR_UNIT BIT(5)
1219
1220#define IEEE80211_TWT_REQTYPE_REQUEST BIT(0)
1221#define IEEE80211_TWT_REQTYPE_SETUP_CMD GENMASK(3, 1)
1222#define IEEE80211_TWT_REQTYPE_TRIGGER BIT(4)
1223#define IEEE80211_TWT_REQTYPE_IMPLICIT BIT(5)
1224#define IEEE80211_TWT_REQTYPE_FLOWTYPE BIT(6)
1225#define IEEE80211_TWT_REQTYPE_FLOWID GENMASK(9, 7)
1226#define IEEE80211_TWT_REQTYPE_WAKE_INT_EXP GENMASK(14, 10)
1227#define IEEE80211_TWT_REQTYPE_PROTECTION BIT(15)
1228
1229enum ieee80211_twt_setup_cmd {
1230 TWT_SETUP_CMD_REQUEST,
1231 TWT_SETUP_CMD_SUGGEST,
1232 TWT_SETUP_CMD_DEMAND,
1233 TWT_SETUP_CMD_GROUPING,
1234 TWT_SETUP_CMD_ACCEPT,
1235 TWT_SETUP_CMD_ALTERNATE,
1236 TWT_SETUP_CMD_DICTATE,
1237 TWT_SETUP_CMD_REJECT,
1238};
1239
1240struct ieee80211_twt_params {
1241 __le16 req_type;
1242 __le64 twt;
1243 u8 min_twt_dur;
1244 __le16 mantissa;
1245 u8 channel;
1246} __packed;
1247
1248struct ieee80211_twt_setup {
1249 u8 dialog_token;
1250 u8 element_id;
1251 u8 length;
1252 u8 control;
1253 u8 params[];
1254} __packed;
1255
1256#define IEEE80211_TTLM_MAX_CNT 2
1257#define IEEE80211_TTLM_CONTROL_DIRECTION 0x03
1258#define IEEE80211_TTLM_CONTROL_DEF_LINK_MAP 0x04
1259#define IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT 0x08
1260#define IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT 0x10
1261#define IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE 0x20
1262
1263#define IEEE80211_TTLM_DIRECTION_DOWN 0
1264#define IEEE80211_TTLM_DIRECTION_UP 1
1265#define IEEE80211_TTLM_DIRECTION_BOTH 2
1266
1267/**
1268 * struct ieee80211_ttlm_elem - TID-To-Link Mapping element
1269 *
1270 * Defined in section 9.4.2.314 in P802.11be_D4
1271 *
1272 * @control: the first part of control field
1273 * @optional: the second part of control field
1274 */
1275struct ieee80211_ttlm_elem {
1276 u8 control;
1277 u8 optional[];
1278} __packed;
1279
1280struct ieee80211_mgmt {
1281 __le16 frame_control;
1282 __le16 duration;
1283 u8 da[ETH_ALEN];
1284 u8 sa[ETH_ALEN];
1285 u8 bssid[ETH_ALEN];
1286 __le16 seq_ctrl;
1287 union {
1288 struct {
1289 __le16 auth_alg;
1290 __le16 auth_transaction;
1291 __le16 status_code;
1292 /* possibly followed by Challenge text */
1293 u8 variable[];
1294 } __packed auth;
1295 struct {
1296 __le16 reason_code;
1297 } __packed deauth;
1298 struct {
1299 __le16 capab_info;
1300 __le16 listen_interval;
1301 /* followed by SSID and Supported rates */
1302 u8 variable[];
1303 } __packed assoc_req;
1304 struct {
1305 __le16 capab_info;
1306 __le16 status_code;
1307 __le16 aid;
1308 /* followed by Supported rates */
1309 u8 variable[];
1310 } __packed assoc_resp, reassoc_resp;
1311 struct {
1312 __le16 capab_info;
1313 __le16 status_code;
1314 u8 variable[];
1315 } __packed s1g_assoc_resp, s1g_reassoc_resp;
1316 struct {
1317 __le16 capab_info;
1318 __le16 listen_interval;
1319 u8 current_ap[ETH_ALEN];
1320 /* followed by SSID and Supported rates */
1321 u8 variable[];
1322 } __packed reassoc_req;
1323 struct {
1324 __le16 reason_code;
1325 } __packed disassoc;
1326 struct {
1327 __le64 timestamp;
1328 __le16 beacon_int;
1329 __le16 capab_info;
1330 /* followed by some of SSID, Supported rates,
1331 * FH Params, DS Params, CF Params, IBSS Params, TIM */
1332 u8 variable[];
1333 } __packed beacon;
1334 struct {
1335 /* only variable items: SSID, Supported rates */
1336 DECLARE_FLEX_ARRAY(u8, variable);
1337 } __packed probe_req;
1338 struct {
1339 __le64 timestamp;
1340 __le16 beacon_int;
1341 __le16 capab_info;
1342 /* followed by some of SSID, Supported rates,
1343 * FH Params, DS Params, CF Params, IBSS Params */
1344 u8 variable[];
1345 } __packed probe_resp;
1346 struct {
1347 u8 category;
1348 union {
1349 struct {
1350 u8 action_code;
1351 u8 dialog_token;
1352 u8 status_code;
1353 u8 variable[];
1354 } __packed wme_action;
1355 struct{
1356 u8 action_code;
1357 u8 variable[];
1358 } __packed chan_switch;
1359 struct{
1360 u8 action_code;
1361 struct ieee80211_ext_chansw_ie data;
1362 u8 variable[];
1363 } __packed ext_chan_switch;
1364 struct{
1365 u8 action_code;
1366 u8 dialog_token;
1367 u8 element_id;
1368 u8 length;
1369 struct ieee80211_msrment_ie msr_elem;
1370 } __packed measurement;
1371 struct{
1372 u8 action_code;
1373 u8 dialog_token;
1374 __le16 capab;
1375 __le16 timeout;
1376 __le16 start_seq_num;
1377 /* followed by BA Extension */
1378 u8 variable[];
1379 } __packed addba_req;
1380 struct{
1381 u8 action_code;
1382 u8 dialog_token;
1383 __le16 status;
1384 __le16 capab;
1385 __le16 timeout;
1386 } __packed addba_resp;
1387 struct{
1388 u8 action_code;
1389 __le16 params;
1390 __le16 reason_code;
1391 } __packed delba;
1392 struct {
1393 u8 action_code;
1394 u8 variable[];
1395 } __packed self_prot;
1396 struct{
1397 u8 action_code;
1398 u8 variable[];
1399 } __packed mesh_action;
1400 struct {
1401 u8 action;
1402 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1403 } __packed sa_query;
1404 struct {
1405 u8 action;
1406 u8 smps_control;
1407 } __packed ht_smps;
1408 struct {
1409 u8 action_code;
1410 u8 chanwidth;
1411 } __packed ht_notify_cw;
1412 struct {
1413 u8 action_code;
1414 u8 dialog_token;
1415 __le16 capability;
1416 u8 variable[0];
1417 } __packed tdls_discover_resp;
1418 struct {
1419 u8 action_code;
1420 u8 operating_mode;
1421 } __packed vht_opmode_notif;
1422 struct {
1423 u8 action_code;
1424 u8 membership[WLAN_MEMBERSHIP_LEN];
1425 u8 position[WLAN_USER_POSITION_LEN];
1426 } __packed vht_group_notif;
1427 struct {
1428 u8 action_code;
1429 u8 dialog_token;
1430 u8 tpc_elem_id;
1431 u8 tpc_elem_length;
1432 struct ieee80211_tpc_report_ie tpc;
1433 } __packed tpc_report;
1434 struct {
1435 u8 action_code;
1436 u8 dialog_token;
1437 u8 follow_up;
1438 u8 tod[6];
1439 u8 toa[6];
1440 __le16 tod_error;
1441 __le16 toa_error;
1442 u8 variable[];
1443 } __packed ftm;
1444 struct {
1445 u8 action_code;
1446 u8 variable[];
1447 } __packed s1g;
1448 struct {
1449 u8 action_code;
1450 u8 dialog_token;
1451 u8 follow_up;
1452 u32 tod;
1453 u32 toa;
1454 u8 max_tod_error;
1455 u8 max_toa_error;
1456 } __packed wnm_timing_msr;
1457 } u;
1458 } __packed action;
1459 DECLARE_FLEX_ARRAY(u8, body); /* Generic frame body */
1460 } u;
1461} __packed __aligned(2);
1462
1463/* Supported rates membership selectors */
1464#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1465#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1466#define BSS_MEMBERSHIP_SELECTOR_GLK 125
1467#define BSS_MEMBERSHIP_SELECTOR_EPS 124
1468#define BSS_MEMBERSHIP_SELECTOR_SAE_H2E 123
1469#define BSS_MEMBERSHIP_SELECTOR_HE_PHY 122
1470#define BSS_MEMBERSHIP_SELECTOR_EHT_PHY 121
1471
1472/* mgmt header + 1 byte category code */
1473#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1474
1475
1476/* Management MIC information element (IEEE 802.11w) */
1477struct ieee80211_mmie {
1478 u8 element_id;
1479 u8 length;
1480 __le16 key_id;
1481 u8 sequence_number[6];
1482 u8 mic[8];
1483} __packed;
1484
1485/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1486struct ieee80211_mmie_16 {
1487 u8 element_id;
1488 u8 length;
1489 __le16 key_id;
1490 u8 sequence_number[6];
1491 u8 mic[16];
1492} __packed;
1493
1494struct ieee80211_vendor_ie {
1495 u8 element_id;
1496 u8 len;
1497 u8 oui[3];
1498 u8 oui_type;
1499} __packed;
1500
1501struct ieee80211_wmm_ac_param {
1502 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1503 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1504 __le16 txop_limit;
1505} __packed;
1506
1507struct ieee80211_wmm_param_ie {
1508 u8 element_id; /* Element ID: 221 (0xdd); */
1509 u8 len; /* Length: 24 */
1510 /* required fields for WMM version 1 */
1511 u8 oui[3]; /* 00:50:f2 */
1512 u8 oui_type; /* 2 */
1513 u8 oui_subtype; /* 1 */
1514 u8 version; /* 1 for WMM version 1.0 */
1515 u8 qos_info; /* AP/STA specific QoS info */
1516 u8 reserved; /* 0 */
1517 /* AC_BE, AC_BK, AC_VI, AC_VO */
1518 struct ieee80211_wmm_ac_param ac[4];
1519} __packed;
1520
1521/* Control frames */
1522struct ieee80211_rts {
1523 __le16 frame_control;
1524 __le16 duration;
1525 u8 ra[ETH_ALEN];
1526 u8 ta[ETH_ALEN];
1527} __packed __aligned(2);
1528
1529struct ieee80211_cts {
1530 __le16 frame_control;
1531 __le16 duration;
1532 u8 ra[ETH_ALEN];
1533} __packed __aligned(2);
1534
1535struct ieee80211_pspoll {
1536 __le16 frame_control;
1537 __le16 aid;
1538 u8 bssid[ETH_ALEN];
1539 u8 ta[ETH_ALEN];
1540} __packed __aligned(2);
1541
1542/* TDLS */
1543
1544/* Channel switch timing */
1545struct ieee80211_ch_switch_timing {
1546 __le16 switch_time;
1547 __le16 switch_timeout;
1548} __packed;
1549
1550/* Link-id information element */
1551struct ieee80211_tdls_lnkie {
1552 u8 ie_type; /* Link Identifier IE */
1553 u8 ie_len;
1554 u8 bssid[ETH_ALEN];
1555 u8 init_sta[ETH_ALEN];
1556 u8 resp_sta[ETH_ALEN];
1557} __packed;
1558
1559struct ieee80211_tdls_data {
1560 u8 da[ETH_ALEN];
1561 u8 sa[ETH_ALEN];
1562 __be16 ether_type;
1563 u8 payload_type;
1564 u8 category;
1565 u8 action_code;
1566 union {
1567 struct {
1568 u8 dialog_token;
1569 __le16 capability;
1570 u8 variable[0];
1571 } __packed setup_req;
1572 struct {
1573 __le16 status_code;
1574 u8 dialog_token;
1575 __le16 capability;
1576 u8 variable[0];
1577 } __packed setup_resp;
1578 struct {
1579 __le16 status_code;
1580 u8 dialog_token;
1581 u8 variable[0];
1582 } __packed setup_cfm;
1583 struct {
1584 __le16 reason_code;
1585 u8 variable[0];
1586 } __packed teardown;
1587 struct {
1588 u8 dialog_token;
1589 u8 variable[0];
1590 } __packed discover_req;
1591 struct {
1592 u8 target_channel;
1593 u8 oper_class;
1594 u8 variable[0];
1595 } __packed chan_switch_req;
1596 struct {
1597 __le16 status_code;
1598 u8 variable[0];
1599 } __packed chan_switch_resp;
1600 } u;
1601} __packed;
1602
1603/*
1604 * Peer-to-Peer IE attribute related definitions.
1605 */
1606/*
1607 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1608 */
1609enum ieee80211_p2p_attr_id {
1610 IEEE80211_P2P_ATTR_STATUS = 0,
1611 IEEE80211_P2P_ATTR_MINOR_REASON,
1612 IEEE80211_P2P_ATTR_CAPABILITY,
1613 IEEE80211_P2P_ATTR_DEVICE_ID,
1614 IEEE80211_P2P_ATTR_GO_INTENT,
1615 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1616 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1617 IEEE80211_P2P_ATTR_GROUP_BSSID,
1618 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1619 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1620 IEEE80211_P2P_ATTR_MANAGABILITY,
1621 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1622 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1623 IEEE80211_P2P_ATTR_DEVICE_INFO,
1624 IEEE80211_P2P_ATTR_GROUP_INFO,
1625 IEEE80211_P2P_ATTR_GROUP_ID,
1626 IEEE80211_P2P_ATTR_INTERFACE,
1627 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1628 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1629 /* 19 - 220: Reserved */
1630 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1631
1632 IEEE80211_P2P_ATTR_MAX
1633};
1634
1635/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1636/* Typical max value used here */
1637#define IEEE80211_P2P_NOA_DESC_MAX 4
1638
1639struct ieee80211_p2p_noa_desc {
1640 u8 count;
1641 __le32 duration;
1642 __le32 interval;
1643 __le32 start_time;
1644} __packed;
1645
1646struct ieee80211_p2p_noa_attr {
1647 u8 index;
1648 u8 oppps_ctwindow;
1649 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1650} __packed;
1651
1652#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1653#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1654
1655/**
1656 * struct ieee80211_bar - Block Ack Request frame format
1657 * @frame_control: Frame Control
1658 * @duration: Duration
1659 * @ra: RA
1660 * @ta: TA
1661 * @control: BAR Control
1662 * @start_seq_num: Starting Sequence Number (see Figure 9-37)
1663 *
1664 * This structure represents the "BlockAckReq frame format"
1665 * as described in IEEE Std 802.11-2020 section 9.3.1.7.
1666*/
1667struct ieee80211_bar {
1668 __le16 frame_control;
1669 __le16 duration;
1670 __u8 ra[ETH_ALEN];
1671 __u8 ta[ETH_ALEN];
1672 __le16 control;
1673 __le16 start_seq_num;
1674} __packed;
1675
1676/* 802.11 BAR control masks */
1677#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1678#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1679#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1680#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1681#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1682
1683#define IEEE80211_HT_MCS_MASK_LEN 10
1684
1685/**
1686 * struct ieee80211_mcs_info - Supported MCS Set field
1687 * @rx_mask: RX mask
1688 * @rx_highest: highest supported RX rate. If set represents
1689 * the highest supported RX data rate in units of 1 Mbps.
1690 * If this field is 0 this value should not be used to
1691 * consider the highest RX data rate supported.
1692 * @tx_params: TX parameters
1693 * @reserved: Reserved bits
1694 *
1695 * This structure represents the "Supported MCS Set field" as
1696 * described in IEEE Std 802.11-2020 section 9.4.2.55.4.
1697 */
1698struct ieee80211_mcs_info {
1699 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1700 __le16 rx_highest;
1701 u8 tx_params;
1702 u8 reserved[3];
1703} __packed;
1704
1705/* 802.11n HT capability MSC set */
1706#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1707#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1708#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1709/* value 0 == 1 stream etc */
1710#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1711#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1712#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1713#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1714
1715#define IEEE80211_HT_MCS_CHAINS(mcs) ((mcs) == 32 ? 1 : (1 + ((mcs) >> 3)))
1716
1717/*
1718 * 802.11n D5.0 20.3.5 / 20.6 says:
1719 * - indices 0 to 7 and 32 are single spatial stream
1720 * - 8 to 31 are multiple spatial streams using equal modulation
1721 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1722 * - remainder are multiple spatial streams using unequal modulation
1723 */
1724#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1725#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1726 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1727
1728/**
1729 * struct ieee80211_ht_cap - HT capabilities element
1730 * @cap_info: HT Capability Information
1731 * @ampdu_params_info: A-MPDU Parameters
1732 * @mcs: Supported MCS Set
1733 * @extended_ht_cap_info: HT Extended Capabilities
1734 * @tx_BF_cap_info: Transmit Beamforming Capabilities
1735 * @antenna_selection_info: ASEL Capability
1736 *
1737 * This structure represents the payload of the "HT Capabilities
1738 * element" as described in IEEE Std 802.11-2020 section 9.4.2.55.
1739 */
1740struct ieee80211_ht_cap {
1741 __le16 cap_info;
1742 u8 ampdu_params_info;
1743
1744 /* 16 bytes MCS information */
1745 struct ieee80211_mcs_info mcs;
1746
1747 __le16 extended_ht_cap_info;
1748 __le32 tx_BF_cap_info;
1749 u8 antenna_selection_info;
1750} __packed;
1751
1752/* 802.11n HT capabilities masks (for cap_info) */
1753#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1754#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1755#define IEEE80211_HT_CAP_SM_PS 0x000C
1756#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1757#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1758#define IEEE80211_HT_CAP_SGI_20 0x0020
1759#define IEEE80211_HT_CAP_SGI_40 0x0040
1760#define IEEE80211_HT_CAP_TX_STBC 0x0080
1761#define IEEE80211_HT_CAP_RX_STBC 0x0300
1762#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1763#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1764#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1765#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1766#define IEEE80211_HT_CAP_RESERVED 0x2000
1767#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1768#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1769
1770/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1771#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1772#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1773#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1774#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1775#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1776#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1777#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1778
1779/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1780#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1781#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1782#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1783
1784/*
1785 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1786 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1787 */
1788enum ieee80211_max_ampdu_length_exp {
1789 IEEE80211_HT_MAX_AMPDU_8K = 0,
1790 IEEE80211_HT_MAX_AMPDU_16K = 1,
1791 IEEE80211_HT_MAX_AMPDU_32K = 2,
1792 IEEE80211_HT_MAX_AMPDU_64K = 3
1793};
1794
1795/*
1796 * Maximum length of AMPDU that the STA can receive in VHT.
1797 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1798 */
1799enum ieee80211_vht_max_ampdu_length_exp {
1800 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1801 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1802 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1803 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1804 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1805 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1806 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1807 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1808};
1809
1810#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1811
1812/* Minimum MPDU start spacing */
1813enum ieee80211_min_mpdu_spacing {
1814 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1815 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1816 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1817 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1818 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1819 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1820 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1821 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1822};
1823
1824/**
1825 * struct ieee80211_ht_operation - HT operation IE
1826 * @primary_chan: Primary Channel
1827 * @ht_param: HT Operation Information parameters
1828 * @operation_mode: HT Operation Information operation mode
1829 * @stbc_param: HT Operation Information STBC params
1830 * @basic_set: Basic HT-MCS Set
1831 *
1832 * This structure represents the payload of the "HT Operation
1833 * element" as described in IEEE Std 802.11-2020 section 9.4.2.56.
1834 */
1835struct ieee80211_ht_operation {
1836 u8 primary_chan;
1837 u8 ht_param;
1838 __le16 operation_mode;
1839 __le16 stbc_param;
1840 u8 basic_set[16];
1841} __packed;
1842
1843/* for ht_param */
1844#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1845#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1846#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1847#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1848#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1849#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1850
1851/* for operation_mode */
1852#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1853#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1854#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1855#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1856#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1857#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1858#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1859#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1860#define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1861
1862/* for stbc_param */
1863#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1864#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1865#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1866#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1867#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1868#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1869
1870
1871/* block-ack parameters */
1872#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1873#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1874#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1875#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1876#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1877#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1878
1879/*
1880 * A-MPDU buffer sizes
1881 * According to HT size varies from 8 to 64 frames
1882 * HE adds the ability to have up to 256 frames.
1883 * EHT adds the ability to have up to 1K frames.
1884 */
1885#define IEEE80211_MIN_AMPDU_BUF 0x8
1886#define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1887#define IEEE80211_MAX_AMPDU_BUF_HE 0x100
1888#define IEEE80211_MAX_AMPDU_BUF_EHT 0x400
1889
1890
1891/* Spatial Multiplexing Power Save Modes (for capability) */
1892#define WLAN_HT_CAP_SM_PS_STATIC 0
1893#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1894#define WLAN_HT_CAP_SM_PS_INVALID 2
1895#define WLAN_HT_CAP_SM_PS_DISABLED 3
1896
1897/* for SM power control field lower two bits */
1898#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1899#define WLAN_HT_SMPS_CONTROL_STATIC 1
1900#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1901
1902/**
1903 * struct ieee80211_vht_mcs_info - VHT MCS information
1904 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1905 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1906 * STA can receive. Rate expressed in units of 1 Mbps.
1907 * If this field is 0 this value should not be used to
1908 * consider the highest RX data rate supported.
1909 * The top 3 bits of this field indicate the Maximum NSTS,total
1910 * (a beamformee capability.)
1911 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1912 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1913 * STA can transmit. Rate expressed in units of 1 Mbps.
1914 * If this field is 0 this value should not be used to
1915 * consider the highest TX data rate supported.
1916 * The top 2 bits of this field are reserved, the
1917 * 3rd bit from the top indiciates VHT Extended NSS BW
1918 * Capability.
1919 */
1920struct ieee80211_vht_mcs_info {
1921 __le16 rx_mcs_map;
1922 __le16 rx_highest;
1923 __le16 tx_mcs_map;
1924 __le16 tx_highest;
1925} __packed;
1926
1927/* for rx_highest */
1928#define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1929#define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1930
1931/* for tx_highest */
1932#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1933
1934/**
1935 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1936 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1937 * number of streams
1938 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1939 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1940 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1941 *
1942 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1943 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1944 * both split into 8 subfields by number of streams. These values indicate
1945 * which MCSes are supported for the number of streams the value appears
1946 * for.
1947 */
1948enum ieee80211_vht_mcs_support {
1949 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1950 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1951 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1952 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1953};
1954
1955/**
1956 * struct ieee80211_vht_cap - VHT capabilities
1957 *
1958 * This structure is the "VHT capabilities element" as
1959 * described in 802.11ac D3.0 8.4.2.160
1960 * @vht_cap_info: VHT capability info
1961 * @supp_mcs: VHT MCS supported rates
1962 */
1963struct ieee80211_vht_cap {
1964 __le32 vht_cap_info;
1965 struct ieee80211_vht_mcs_info supp_mcs;
1966} __packed;
1967
1968/**
1969 * enum ieee80211_vht_chanwidth - VHT channel width
1970 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1971 * determine the channel width (20 or 40 MHz)
1972 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1973 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1974 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1975 */
1976enum ieee80211_vht_chanwidth {
1977 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1978 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1979 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1980 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1981};
1982
1983/**
1984 * struct ieee80211_vht_operation - VHT operation IE
1985 *
1986 * This structure is the "VHT operation element" as
1987 * described in 802.11ac D3.0 8.4.2.161
1988 * @chan_width: Operating channel width
1989 * @center_freq_seg0_idx: center freq segment 0 index
1990 * @center_freq_seg1_idx: center freq segment 1 index
1991 * @basic_mcs_set: VHT Basic MCS rate set
1992 */
1993struct ieee80211_vht_operation {
1994 u8 chan_width;
1995 u8 center_freq_seg0_idx;
1996 u8 center_freq_seg1_idx;
1997 __le16 basic_mcs_set;
1998} __packed;
1999
2000/**
2001 * struct ieee80211_he_cap_elem - HE capabilities element
2002 * @mac_cap_info: HE MAC Capabilities Information
2003 * @phy_cap_info: HE PHY Capabilities Information
2004 *
2005 * This structure represents the fixed fields of the payload of the
2006 * "HE capabilities element" as described in IEEE Std 802.11ax-2021
2007 * sections 9.4.2.248.2 and 9.4.2.248.3.
2008 */
2009struct ieee80211_he_cap_elem {
2010 u8 mac_cap_info[6];
2011 u8 phy_cap_info[11];
2012} __packed;
2013
2014#define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
2015
2016/**
2017 * enum ieee80211_he_mcs_support - HE MCS support definitions
2018 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
2019 * number of streams
2020 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
2021 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
2022 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
2023 *
2024 * These definitions are used in each 2-bit subfield of the rx_mcs_*
2025 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
2026 * both split into 8 subfields by number of streams. These values indicate
2027 * which MCSes are supported for the number of streams the value appears
2028 * for.
2029 */
2030enum ieee80211_he_mcs_support {
2031 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
2032 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
2033 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
2034 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
2035};
2036
2037/**
2038 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
2039 *
2040 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
2041 * described in P802.11ax_D2.0 section 9.4.2.237.4
2042 *
2043 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2044 * widths less than 80MHz.
2045 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2046 * widths less than 80MHz.
2047 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
2048 * width 160MHz.
2049 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
2050 * width 160MHz.
2051 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
2052 * channel width 80p80MHz.
2053 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
2054 * channel width 80p80MHz.
2055 */
2056struct ieee80211_he_mcs_nss_supp {
2057 __le16 rx_mcs_80;
2058 __le16 tx_mcs_80;
2059 __le16 rx_mcs_160;
2060 __le16 tx_mcs_160;
2061 __le16 rx_mcs_80p80;
2062 __le16 tx_mcs_80p80;
2063} __packed;
2064
2065/**
2066 * struct ieee80211_he_operation - HE Operation element
2067 * @he_oper_params: HE Operation Parameters + BSS Color Information
2068 * @he_mcs_nss_set: Basic HE-MCS And NSS Set
2069 * @optional: Optional fields VHT Operation Information, Max Co-Hosted
2070 * BSSID Indicator, and 6 GHz Operation Information
2071 *
2072 * This structure represents the payload of the "HE Operation
2073 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.249.
2074 */
2075struct ieee80211_he_operation {
2076 __le32 he_oper_params;
2077 __le16 he_mcs_nss_set;
2078 u8 optional[];
2079} __packed;
2080
2081/**
2082 * struct ieee80211_he_spr - Spatial Reuse Parameter Set element
2083 * @he_sr_control: SR Control
2084 * @optional: Optional fields Non-SRG OBSS PD Max Offset, SRG OBSS PD
2085 * Min Offset, SRG OBSS PD Max Offset, SRG BSS Color
2086 * Bitmap, and SRG Partial BSSID Bitmap
2087 *
2088 * This structure represents the payload of the "Spatial Reuse
2089 * Parameter Set element" as described in IEEE Std 802.11ax-2021
2090 * section 9.4.2.252.
2091 */
2092struct ieee80211_he_spr {
2093 u8 he_sr_control;
2094 u8 optional[];
2095} __packed;
2096
2097/**
2098 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
2099 * @aifsn: ACI/AIFSN
2100 * @ecw_min_max: ECWmin/ECWmax
2101 * @mu_edca_timer: MU EDCA Timer
2102 *
2103 * This structure represents the "MU AC Parameter Record" as described
2104 * in IEEE Std 802.11ax-2021 section 9.4.2.251, Figure 9-788p.
2105 */
2106struct ieee80211_he_mu_edca_param_ac_rec {
2107 u8 aifsn;
2108 u8 ecw_min_max;
2109 u8 mu_edca_timer;
2110} __packed;
2111
2112/**
2113 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
2114 * @mu_qos_info: QoS Info
2115 * @ac_be: MU AC_BE Parameter Record
2116 * @ac_bk: MU AC_BK Parameter Record
2117 * @ac_vi: MU AC_VI Parameter Record
2118 * @ac_vo: MU AC_VO Parameter Record
2119 *
2120 * This structure represents the payload of the "MU EDCA Parameter Set
2121 * element" as described in IEEE Std 802.11ax-2021 section 9.4.2.251.
2122 */
2123struct ieee80211_mu_edca_param_set {
2124 u8 mu_qos_info;
2125 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
2126 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
2127 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
2128 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
2129} __packed;
2130
2131#define IEEE80211_EHT_MCS_NSS_RX 0x0f
2132#define IEEE80211_EHT_MCS_NSS_TX 0xf0
2133
2134/**
2135 * struct ieee80211_eht_mcs_nss_supp_20mhz_only - EHT 20MHz only station max
2136 * supported NSS for per MCS.
2137 *
2138 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2139 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2140 * for Tx.
2141 *
2142 * @rx_tx_mcs7_max_nss: indicates the maximum number of spatial streams
2143 * supported for reception and the maximum number of spatial streams
2144 * supported for transmission for MCS 0 - 7.
2145 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2146 * supported for reception and the maximum number of spatial streams
2147 * supported for transmission for MCS 8 - 9.
2148 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2149 * supported for reception and the maximum number of spatial streams
2150 * supported for transmission for MCS 10 - 11.
2151 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2152 * supported for reception and the maximum number of spatial streams
2153 * supported for transmission for MCS 12 - 13.
2154 * @rx_tx_max_nss: array of the previous fields for easier loop access
2155 */
2156struct ieee80211_eht_mcs_nss_supp_20mhz_only {
2157 union {
2158 struct {
2159 u8 rx_tx_mcs7_max_nss;
2160 u8 rx_tx_mcs9_max_nss;
2161 u8 rx_tx_mcs11_max_nss;
2162 u8 rx_tx_mcs13_max_nss;
2163 };
2164 u8 rx_tx_max_nss[4];
2165 };
2166};
2167
2168/**
2169 * struct ieee80211_eht_mcs_nss_supp_bw - EHT max supported NSS per MCS (except
2170 * 20MHz only stations).
2171 *
2172 * For each field below, bits 0 - 3 indicate the maximal number of spatial
2173 * streams for Rx, and bits 4 - 7 indicate the maximal number of spatial streams
2174 * for Tx.
2175 *
2176 * @rx_tx_mcs9_max_nss: indicates the maximum number of spatial streams
2177 * supported for reception and the maximum number of spatial streams
2178 * supported for transmission for MCS 0 - 9.
2179 * @rx_tx_mcs11_max_nss: indicates the maximum number of spatial streams
2180 * supported for reception and the maximum number of spatial streams
2181 * supported for transmission for MCS 10 - 11.
2182 * @rx_tx_mcs13_max_nss: indicates the maximum number of spatial streams
2183 * supported for reception and the maximum number of spatial streams
2184 * supported for transmission for MCS 12 - 13.
2185 * @rx_tx_max_nss: array of the previous fields for easier loop access
2186 */
2187struct ieee80211_eht_mcs_nss_supp_bw {
2188 union {
2189 struct {
2190 u8 rx_tx_mcs9_max_nss;
2191 u8 rx_tx_mcs11_max_nss;
2192 u8 rx_tx_mcs13_max_nss;
2193 };
2194 u8 rx_tx_max_nss[3];
2195 };
2196};
2197
2198/**
2199 * struct ieee80211_eht_cap_elem_fixed - EHT capabilities fixed data
2200 *
2201 * This structure is the "EHT Capabilities element" fixed fields as
2202 * described in P802.11be_D2.0 section 9.4.2.313.
2203 *
2204 * @mac_cap_info: MAC capabilities, see IEEE80211_EHT_MAC_CAP*
2205 * @phy_cap_info: PHY capabilities, see IEEE80211_EHT_PHY_CAP*
2206 */
2207struct ieee80211_eht_cap_elem_fixed {
2208 u8 mac_cap_info[2];
2209 u8 phy_cap_info[9];
2210} __packed;
2211
2212/**
2213 * struct ieee80211_eht_cap_elem - EHT capabilities element
2214 * @fixed: fixed parts, see &ieee80211_eht_cap_elem_fixed
2215 * @optional: optional parts
2216 */
2217struct ieee80211_eht_cap_elem {
2218 struct ieee80211_eht_cap_elem_fixed fixed;
2219
2220 /*
2221 * Followed by:
2222 * Supported EHT-MCS And NSS Set field: 4, 3, 6 or 9 octets.
2223 * EHT PPE Thresholds field: variable length.
2224 */
2225 u8 optional[];
2226} __packed;
2227
2228#define IEEE80211_EHT_OPER_INFO_PRESENT 0x01
2229#define IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT 0x02
2230#define IEEE80211_EHT_OPER_EHT_DEF_PE_DURATION 0x04
2231#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_LIMIT 0x08
2232#define IEEE80211_EHT_OPER_GROUP_ADDRESSED_BU_IND_EXP_MASK 0x30
2233
2234/**
2235 * struct ieee80211_eht_operation - eht operation element
2236 *
2237 * This structure is the "EHT Operation Element" fields as
2238 * described in P802.11be_D2.0 section 9.4.2.311
2239 *
2240 * @params: EHT operation element parameters. See &IEEE80211_EHT_OPER_*
2241 * @basic_mcs_nss: indicates the EHT-MCSs for each number of spatial streams in
2242 * EHT PPDUs that are supported by all EHT STAs in the BSS in transmit and
2243 * receive.
2244 * @optional: optional parts
2245 */
2246struct ieee80211_eht_operation {
2247 u8 params;
2248 struct ieee80211_eht_mcs_nss_supp_20mhz_only basic_mcs_nss;
2249 u8 optional[];
2250} __packed;
2251
2252/**
2253 * struct ieee80211_eht_operation_info - eht operation information
2254 *
2255 * @control: EHT operation information control.
2256 * @ccfs0: defines a channel center frequency for a 20, 40, 80, 160, or 320 MHz
2257 * EHT BSS.
2258 * @ccfs1: defines a channel center frequency for a 160 or 320 MHz EHT BSS.
2259 * @optional: optional parts
2260 */
2261struct ieee80211_eht_operation_info {
2262 u8 control;
2263 u8 ccfs0;
2264 u8 ccfs1;
2265 u8 optional[];
2266} __packed;
2267
2268/* 802.11ac VHT Capabilities */
2269#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
2270#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
2271#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
2272#define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
2273#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
2274#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
2275#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
2276#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
2277#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
2278#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
2279#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
2280#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
2281#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
2282#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
2283#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
2284#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
2285#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
2286#define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
2287#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
2288#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
2289#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
2290#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
2291 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
2292#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
2293#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
2294 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
2295#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
2296#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
2297#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
2298#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
2299#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
2300#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
2301 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
2302#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
2303#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
2304#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
2305#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
2306#define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
2307#define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
2308
2309/**
2310 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
2311 * @cap: VHT capabilities of the peer
2312 * @bw: bandwidth to use
2313 * @mcs: MCS index to use
2314 * @ext_nss_bw_capable: indicates whether or not the local transmitter
2315 * (rate scaling algorithm) can deal with the new logic
2316 * (dot11VHTExtendedNSSBWCapable)
2317 * @max_vht_nss: current maximum NSS as advertised by the STA in
2318 * operating mode notification, can be 0 in which case the
2319 * capability data will be used to derive this (from MCS support)
2320 *
2321 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
2322 * vary for a given BW/MCS. This function parses the data.
2323 *
2324 * Note: This function is exported by cfg80211.
2325 */
2326int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
2327 enum ieee80211_vht_chanwidth bw,
2328 int mcs, bool ext_nss_bw_capable,
2329 unsigned int max_vht_nss);
2330
2331/**
2332 * enum ieee80211_ap_reg_power - regulatory power for a Access Point
2333 *
2334 * @IEEE80211_REG_UNSET_AP: Access Point has no regulatory power mode
2335 * @IEEE80211_REG_LPI_AP: Indoor Access Point
2336 * @IEEE80211_REG_SP_AP: Standard power Access Point
2337 * @IEEE80211_REG_VLP_AP: Very low power Access Point
2338 * @IEEE80211_REG_AP_POWER_AFTER_LAST: internal
2339 * @IEEE80211_REG_AP_POWER_MAX: maximum value
2340 */
2341enum ieee80211_ap_reg_power {
2342 IEEE80211_REG_UNSET_AP,
2343 IEEE80211_REG_LPI_AP,
2344 IEEE80211_REG_SP_AP,
2345 IEEE80211_REG_VLP_AP,
2346 IEEE80211_REG_AP_POWER_AFTER_LAST,
2347 IEEE80211_REG_AP_POWER_MAX =
2348 IEEE80211_REG_AP_POWER_AFTER_LAST - 1,
2349};
2350
2351/**
2352 * enum ieee80211_client_reg_power - regulatory power for a client
2353 *
2354 * @IEEE80211_REG_UNSET_CLIENT: Client has no regulatory power mode
2355 * @IEEE80211_REG_DEFAULT_CLIENT: Default Client
2356 * @IEEE80211_REG_SUBORDINATE_CLIENT: Subordinate Client
2357 * @IEEE80211_REG_CLIENT_POWER_AFTER_LAST: internal
2358 * @IEEE80211_REG_CLIENT_POWER_MAX: maximum value
2359 */
2360enum ieee80211_client_reg_power {
2361 IEEE80211_REG_UNSET_CLIENT,
2362 IEEE80211_REG_DEFAULT_CLIENT,
2363 IEEE80211_REG_SUBORDINATE_CLIENT,
2364 IEEE80211_REG_CLIENT_POWER_AFTER_LAST,
2365 IEEE80211_REG_CLIENT_POWER_MAX =
2366 IEEE80211_REG_CLIENT_POWER_AFTER_LAST - 1,
2367};
2368
2369/* 802.11ax HE MAC capabilities */
2370#define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
2371#define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
2372#define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
2373#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
2374#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
2375#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
2376#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
2377#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
2378#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
2379#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
2380#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
2381#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
2382#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
2383#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
2384#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
2385#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
2386#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
2387
2388#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
2389#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
2390#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
2391#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
2392#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
2393#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
2394#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
2395#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
2396#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
2397#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
2398#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
2399#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
2400#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
2401#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
2402#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
2403#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
2404#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
2405#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
2406
2407/* Link adaptation is split between byte HE_MAC_CAP1 and
2408 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
2409 * in which case the following values apply:
2410 * 0 = No feedback.
2411 * 1 = reserved.
2412 * 2 = Unsolicited feedback.
2413 * 3 = both
2414 */
2415#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
2416
2417#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
2418#define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
2419#define IEEE80211_HE_MAC_CAP2_TRS 0x04
2420#define IEEE80211_HE_MAC_CAP2_BSR 0x08
2421#define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
2422#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
2423#define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
2424#define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
2425
2426#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
2427#define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
2428
2429/* The maximum length of an A-MDPU is defined by the combination of the Maximum
2430 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
2431 * same field in the HE capabilities.
2432 */
2433#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_0 0x00
2434#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_1 0x08
2435#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_2 0x10
2436#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_EXT_3 0x18
2437#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
2438#define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
2439#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
2440#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
2441
2442#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
2443#define IEEE80211_HE_MAC_CAP4_QTP 0x02
2444#define IEEE80211_HE_MAC_CAP4_BQR 0x04
2445#define IEEE80211_HE_MAC_CAP4_PSR_RESP 0x08
2446#define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
2447#define IEEE80211_HE_MAC_CAP4_OPS 0x20
2448#define IEEE80211_HE_MAC_CAP4_AMSDU_IN_AMPDU 0x40
2449/* Multi TID agg TX is split between byte #4 and #5
2450 * The value is a combination of B39,B40,B41
2451 */
2452#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
2453
2454#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
2455#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
2456#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECTIVE_TRANSMISSION 0x04
2457#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
2458#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
2459#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
2460#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
2461#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
2462
2463#define IEEE80211_HE_VHT_MAX_AMPDU_FACTOR 20
2464#define IEEE80211_HE_HT_MAX_AMPDU_FACTOR 16
2465#define IEEE80211_HE_6GHZ_MAX_AMPDU_FACTOR 13
2466
2467/* 802.11ax HE PHY capabilities */
2468#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
2469#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
2470#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
2471#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
2472#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK_ALL 0x1e
2473
2474#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
2475#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
2476#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
2477
2478#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
2479#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
2480#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
2481#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
2482#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
2483#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
2484#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
2485#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
2486/* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
2487#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
2488
2489#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
2490#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
2491#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
2492#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
2493#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
2494#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
2495
2496/* Note that the meaning of UL MU below is different between an AP and a non-AP
2497 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
2498 * case it indicates support for Tx.
2499 */
2500#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
2501#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
2502
2503#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
2504#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
2505#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
2506#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
2507#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
2508#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
2509#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
2510#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
2511#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
2512#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
2513#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
2514#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
2515#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
2516#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
2517#define IEEE80211_HE_PHY_CAP3_RX_PARTIAL_BW_SU_IN_20MHZ_MU 0x40
2518#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
2519
2520#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
2521#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
2522
2523/* Minimal allowed value of Max STS under 80MHz is 3 */
2524#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
2525#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
2526#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
2527#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
2528#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
2529#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
2530
2531/* Minimal allowed value of Max STS above 80MHz is 3 */
2532#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
2533#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
2534#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
2535#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
2536#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
2537#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
2538
2539#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
2540#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
2541#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
2542#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
2543#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
2544#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
2545#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
2546#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
2547#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
2548
2549#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
2550#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
2551#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
2552#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
2553#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
2554#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
2555#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
2556#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
2557#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
2558
2559#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
2560#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
2561
2562#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
2563#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
2564#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB 0x04
2565#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB 0x08
2566#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
2567#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
2568#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
2569#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
2570
2571#define IEEE80211_HE_PHY_CAP7_PSR_BASED_SR 0x01
2572#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_SUPP 0x02
2573#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
2574#define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
2575#define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
2576#define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
2577#define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
2578#define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
2579#define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
2580#define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
2581#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
2582#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
2583#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
2584
2585#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
2586#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
2587#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
2588#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
2589#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
2590#define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
2591#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
2592#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
2593#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
2594#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
2595#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
2596
2597#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
2598#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
2599#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
2600#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
2601#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
2602#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
2603#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_0US 0x0
2604#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_8US 0x1
2605#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_16US 0x2
2606#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_RESERVED 0x3
2607#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_POS 6
2608#define IEEE80211_HE_PHY_CAP9_NOMINAL_PKT_PADDING_MASK 0xc0
2609
2610#define IEEE80211_HE_PHY_CAP10_HE_MU_M1RU_MAX_LTF 0x01
2611
2612/* 802.11ax HE TX/RX MCS NSS Support */
2613#define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
2614#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
2615#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
2616#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
2617#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
2618
2619/* TX/RX HE MCS Support field Highest MCS subfield encoding */
2620enum ieee80211_he_highest_mcs_supported_subfield_enc {
2621 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
2622 HIGHEST_MCS_SUPPORTED_MCS8,
2623 HIGHEST_MCS_SUPPORTED_MCS9,
2624 HIGHEST_MCS_SUPPORTED_MCS10,
2625 HIGHEST_MCS_SUPPORTED_MCS11,
2626};
2627
2628/* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
2629static inline u8
2630ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
2631{
2632 u8 count = 4;
2633
2634 if (he_cap->phy_cap_info[0] &
2635 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
2636 count += 4;
2637
2638 if (he_cap->phy_cap_info[0] &
2639 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
2640 count += 4;
2641
2642 return count;
2643}
2644
2645/* 802.11ax HE PPE Thresholds */
2646#define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
2647#define IEEE80211_PPE_THRES_NSS_POS (0)
2648#define IEEE80211_PPE_THRES_NSS_MASK (7)
2649#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
2650 (BIT(5) | BIT(6))
2651#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
2652#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
2653#define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
2654#define IEEE80211_HE_PPE_THRES_INFO_HEADER_SIZE (7)
2655
2656/*
2657 * Calculate 802.11ax HE capabilities IE PPE field size
2658 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
2659 */
2660static inline u8
2661ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
2662{
2663 u8 n;
2664
2665 if ((phy_cap_info[6] &
2666 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2667 return 0;
2668
2669 n = hweight8(ppe_thres_hdr &
2670 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2671 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2672 IEEE80211_PPE_THRES_NSS_POS));
2673
2674 /*
2675 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2676 * total size.
2677 */
2678 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2679 n = DIV_ROUND_UP(n, 8);
2680
2681 return n;
2682}
2683
2684static inline bool ieee80211_he_capa_size_ok(const u8 *data, u8 len)
2685{
2686 const struct ieee80211_he_cap_elem *he_cap_ie_elem = (const void *)data;
2687 u8 needed = sizeof(*he_cap_ie_elem);
2688
2689 if (len < needed)
2690 return false;
2691
2692 needed += ieee80211_he_mcs_nss_size(he_cap: he_cap_ie_elem);
2693 if (len < needed)
2694 return false;
2695
2696 if (he_cap_ie_elem->phy_cap_info[6] &
2697 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) {
2698 if (len < needed + 1)
2699 return false;
2700 needed += ieee80211_he_ppe_size(ppe_thres_hdr: data[needed],
2701 phy_cap_info: he_cap_ie_elem->phy_cap_info);
2702 }
2703
2704 return len >= needed;
2705}
2706
2707/* HE Operation defines */
2708#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000007
2709#define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2710#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2711#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2712#define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2713#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2714#define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2715#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2716#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2717#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2718#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2719#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2720
2721#define IEEE80211_6GHZ_CTRL_REG_LPI_AP 0
2722#define IEEE80211_6GHZ_CTRL_REG_SP_AP 1
2723
2724/**
2725 * struct ieee80211_he_6ghz_oper - HE 6 GHz operation Information field
2726 * @primary: primary channel
2727 * @control: control flags
2728 * @ccfs0: channel center frequency segment 0
2729 * @ccfs1: channel center frequency segment 1
2730 * @minrate: minimum rate (in 1 Mbps units)
2731 */
2732struct ieee80211_he_6ghz_oper {
2733 u8 primary;
2734#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH 0x3
2735#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_20MHZ 0
2736#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_40MHZ 1
2737#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_80MHZ 2
2738#define IEEE80211_HE_6GHZ_OPER_CTRL_CHANWIDTH_160MHZ 3
2739#define IEEE80211_HE_6GHZ_OPER_CTRL_DUP_BEACON 0x4
2740#define IEEE80211_HE_6GHZ_OPER_CTRL_REG_INFO 0x38
2741 u8 control;
2742 u8 ccfs0;
2743 u8 ccfs1;
2744 u8 minrate;
2745} __packed;
2746
2747/*
2748 * In "9.4.2.161 Transmit Power Envelope element" of "IEEE Std 802.11ax-2021",
2749 * it show four types in "Table 9-275a-Maximum Transmit Power Interpretation
2750 * subfield encoding", and two category for each type in "Table E-12-Regulatory
2751 * Info subfield encoding in the United States".
2752 * So it it totally max 8 Transmit Power Envelope element.
2753 */
2754#define IEEE80211_TPE_MAX_IE_COUNT 8
2755/*
2756 * In "Table 9-277—Meaning of Maximum Transmit Power Count subfield"
2757 * of "IEEE Std 802.11ax™‐2021", the max power level is 8.
2758 */
2759#define IEEE80211_MAX_NUM_PWR_LEVEL 8
2760
2761#define IEEE80211_TPE_MAX_POWER_COUNT 8
2762
2763/* transmit power interpretation type of transmit power envelope element */
2764enum ieee80211_tx_power_intrpt_type {
2765 IEEE80211_TPE_LOCAL_EIRP,
2766 IEEE80211_TPE_LOCAL_EIRP_PSD,
2767 IEEE80211_TPE_REG_CLIENT_EIRP,
2768 IEEE80211_TPE_REG_CLIENT_EIRP_PSD,
2769};
2770
2771/**
2772 * struct ieee80211_tx_pwr_env - Transmit Power Envelope
2773 * @tx_power_info: Transmit Power Information field
2774 * @tx_power: Maximum Transmit Power field
2775 *
2776 * This structure represents the payload of the "Transmit Power
2777 * Envelope element" as described in IEEE Std 802.11ax-2021 section
2778 * 9.4.2.161
2779 */
2780struct ieee80211_tx_pwr_env {
2781 u8 tx_power_info;
2782 s8 tx_power[IEEE80211_TPE_MAX_POWER_COUNT];
2783} __packed;
2784
2785#define IEEE80211_TX_PWR_ENV_INFO_COUNT 0x7
2786#define IEEE80211_TX_PWR_ENV_INFO_INTERPRET 0x38
2787#define IEEE80211_TX_PWR_ENV_INFO_CATEGORY 0xC0
2788
2789/*
2790 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2791 * @he_oper_ie: byte data of the He Operations IE, stating from the byte
2792 * after the ext ID byte. It is assumed that he_oper_ie has at least
2793 * sizeof(struct ieee80211_he_operation) bytes, the caller must have
2794 * validated this.
2795 * @return the actual size of the IE data (not including header), or 0 on error
2796 */
2797static inline u8
2798ieee80211_he_oper_size(const u8 *he_oper_ie)
2799{
2800 const struct ieee80211_he_operation *he_oper = (const void *)he_oper_ie;
2801 u8 oper_len = sizeof(struct ieee80211_he_operation);
2802 u32 he_oper_params;
2803
2804 /* Make sure the input is not NULL */
2805 if (!he_oper_ie)
2806 return 0;
2807
2808 /* Calc required length */
2809 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2810 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2811 oper_len += 3;
2812 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2813 oper_len++;
2814 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2815 oper_len += sizeof(struct ieee80211_he_6ghz_oper);
2816
2817 /* Add the first byte (extension ID) to the total length */
2818 oper_len++;
2819
2820 return oper_len;
2821}
2822
2823/**
2824 * ieee80211_he_6ghz_oper - obtain 6 GHz operation field
2825 * @he_oper: HE operation element (must be pre-validated for size)
2826 * but may be %NULL
2827 *
2828 * Return: a pointer to the 6 GHz operation field, or %NULL
2829 */
2830static inline const struct ieee80211_he_6ghz_oper *
2831ieee80211_he_6ghz_oper(const struct ieee80211_he_operation *he_oper)
2832{
2833 const u8 *ret = (const void *)&he_oper->optional;
2834 u32 he_oper_params;
2835
2836 if (!he_oper)
2837 return NULL;
2838
2839 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2840
2841 if (!(he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO))
2842 return NULL;
2843 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2844 ret += 3;
2845 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2846 ret++;
2847
2848 return (const void *)ret;
2849}
2850
2851/* HE Spatial Reuse defines */
2852#define IEEE80211_HE_SPR_PSR_DISALLOWED BIT(0)
2853#define IEEE80211_HE_SPR_NON_SRG_OBSS_PD_SR_DISALLOWED BIT(1)
2854#define IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT BIT(2)
2855#define IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT BIT(3)
2856#define IEEE80211_HE_SPR_HESIGA_SR_VAL15_ALLOWED BIT(4)
2857
2858/*
2859 * ieee80211_he_spr_size - calculate 802.11ax HE Spatial Reuse IE size
2860 * @he_spr_ie: byte data of the He Spatial Reuse IE, stating from the byte
2861 * after the ext ID byte. It is assumed that he_spr_ie has at least
2862 * sizeof(struct ieee80211_he_spr) bytes, the caller must have validated
2863 * this
2864 * @return the actual size of the IE data (not including header), or 0 on error
2865 */
2866static inline u8
2867ieee80211_he_spr_size(const u8 *he_spr_ie)
2868{
2869 const struct ieee80211_he_spr *he_spr = (const void *)he_spr_ie;
2870 u8 spr_len = sizeof(struct ieee80211_he_spr);
2871 u8 he_spr_params;
2872
2873 /* Make sure the input is not NULL */
2874 if (!he_spr_ie)
2875 return 0;
2876
2877 /* Calc required length */
2878 he_spr_params = he_spr->he_sr_control;
2879 if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
2880 spr_len++;
2881 if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
2882 spr_len += 18;
2883
2884 /* Add the first byte (extension ID) to the total length */
2885 spr_len++;
2886
2887 return spr_len;
2888}
2889
2890/* S1G Capabilities Information field */
2891#define IEEE80211_S1G_CAPABILITY_LEN 15
2892
2893#define S1G_CAP0_S1G_LONG BIT(0)
2894#define S1G_CAP0_SGI_1MHZ BIT(1)
2895#define S1G_CAP0_SGI_2MHZ BIT(2)
2896#define S1G_CAP0_SGI_4MHZ BIT(3)
2897#define S1G_CAP0_SGI_8MHZ BIT(4)
2898#define S1G_CAP0_SGI_16MHZ BIT(5)
2899#define S1G_CAP0_SUPP_CH_WIDTH GENMASK(7, 6)
2900
2901#define S1G_SUPP_CH_WIDTH_2 0
2902#define S1G_SUPP_CH_WIDTH_4 1
2903#define S1G_SUPP_CH_WIDTH_8 2
2904#define S1G_SUPP_CH_WIDTH_16 3
2905#define S1G_SUPP_CH_WIDTH_MAX(cap) ((1 << FIELD_GET(S1G_CAP0_SUPP_CH_WIDTH, \
2906 cap[0])) << 1)
2907
2908#define S1G_CAP1_RX_LDPC BIT(0)
2909#define S1G_CAP1_TX_STBC BIT(1)
2910#define S1G_CAP1_RX_STBC BIT(2)
2911#define S1G_CAP1_SU_BFER BIT(3)
2912#define S1G_CAP1_SU_BFEE BIT(4)
2913#define S1G_CAP1_BFEE_STS GENMASK(7, 5)
2914
2915#define S1G_CAP2_SOUNDING_DIMENSIONS GENMASK(2, 0)
2916#define S1G_CAP2_MU_BFER BIT(3)
2917#define S1G_CAP2_MU_BFEE BIT(4)
2918#define S1G_CAP2_PLUS_HTC_VHT BIT(5)
2919#define S1G_CAP2_TRAVELING_PILOT GENMASK(7, 6)
2920
2921#define S1G_CAP3_RD_RESPONDER BIT(0)
2922#define S1G_CAP3_HT_DELAYED_BA BIT(1)
2923#define S1G_CAP3_MAX_MPDU_LEN BIT(2)
2924#define S1G_CAP3_MAX_AMPDU_LEN_EXP GENMASK(4, 3)
2925#define S1G_CAP3_MIN_MPDU_START GENMASK(7, 5)
2926
2927#define S1G_CAP4_UPLINK_SYNC BIT(0)
2928#define S1G_CAP4_DYNAMIC_AID BIT(1)
2929#define S1G_CAP4_BAT BIT(2)
2930#define S1G_CAP4_TIME_ADE BIT(3)
2931#define S1G_CAP4_NON_TIM BIT(4)
2932#define S1G_CAP4_GROUP_AID BIT(5)
2933#define S1G_CAP4_STA_TYPE GENMASK(7, 6)
2934
2935#define S1G_CAP5_CENT_AUTH_CONTROL BIT(0)
2936#define S1G_CAP5_DIST_AUTH_CONTROL BIT(1)
2937#define S1G_CAP5_AMSDU BIT(2)
2938#define S1G_CAP5_AMPDU BIT(3)
2939#define S1G_CAP5_ASYMMETRIC_BA BIT(4)
2940#define S1G_CAP5_FLOW_CONTROL BIT(5)
2941#define S1G_CAP5_SECTORIZED_BEAM GENMASK(7, 6)
2942
2943#define S1G_CAP6_OBSS_MITIGATION BIT(0)
2944#define S1G_CAP6_FRAGMENT_BA BIT(1)
2945#define S1G_CAP6_NDP_PS_POLL BIT(2)
2946#define S1G_CAP6_RAW_OPERATION BIT(3)
2947#define S1G_CAP6_PAGE_SLICING BIT(4)
2948#define S1G_CAP6_TXOP_SHARING_IMP_ACK BIT(5)
2949#define S1G_CAP6_VHT_LINK_ADAPT GENMASK(7, 6)
2950
2951#define S1G_CAP7_TACK_AS_PS_POLL BIT(0)
2952#define S1G_CAP7_DUP_1MHZ BIT(1)
2953#define S1G_CAP7_MCS_NEGOTIATION BIT(2)
2954#define S1G_CAP7_1MHZ_CTL_RESPONSE_PREAMBLE BIT(3)
2955#define S1G_CAP7_NDP_BFING_REPORT_POLL BIT(4)
2956#define S1G_CAP7_UNSOLICITED_DYN_AID BIT(5)
2957#define S1G_CAP7_SECTOR_TRAINING_OPERATION BIT(6)
2958#define S1G_CAP7_TEMP_PS_MODE_SWITCH BIT(7)
2959
2960#define S1G_CAP8_TWT_GROUPING BIT(0)
2961#define S1G_CAP8_BDT BIT(1)
2962#define S1G_CAP8_COLOR GENMASK(4, 2)
2963#define S1G_CAP8_TWT_REQUEST BIT(5)
2964#define S1G_CAP8_TWT_RESPOND BIT(6)
2965#define S1G_CAP8_PV1_FRAME BIT(7)
2966
2967#define S1G_CAP9_LINK_ADAPT_PER_CONTROL_RESPONSE BIT(0)
2968
2969#define S1G_OPER_CH_WIDTH_PRIMARY_1MHZ BIT(0)
2970#define S1G_OPER_CH_WIDTH_OPER GENMASK(4, 1)
2971
2972/* EHT MAC capabilities as defined in P802.11be_D2.0 section 9.4.2.313.2 */
2973#define IEEE80211_EHT_MAC_CAP0_EPCS_PRIO_ACCESS 0x01
2974#define IEEE80211_EHT_MAC_CAP0_OM_CONTROL 0x02
2975#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE1 0x04
2976#define IEEE80211_EHT_MAC_CAP0_TRIG_TXOP_SHARING_MODE2 0x08
2977#define IEEE80211_EHT_MAC_CAP0_RESTRICTED_TWT 0x10
2978#define IEEE80211_EHT_MAC_CAP0_SCS_TRAFFIC_DESC 0x20
2979#define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_MASK 0xc0
2980#define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_3895 0
2981#define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_7991 1
2982#define IEEE80211_EHT_MAC_CAP0_MAX_MPDU_LEN_11454 2
2983
2984#define IEEE80211_EHT_MAC_CAP1_MAX_AMPDU_LEN_MASK 0x01
2985
2986/* EHT PHY capabilities as defined in P802.11be_D2.0 section 9.4.2.313.3 */
2987#define IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ 0x02
2988#define IEEE80211_EHT_PHY_CAP0_242_TONE_RU_GT20MHZ 0x04
2989#define IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI 0x08
2990#define IEEE80211_EHT_PHY_CAP0_PARTIAL_BW_UL_MU_MIMO 0x10
2991#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER 0x20
2992#define IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE 0x40
2993
2994/* EHT beamformee number of spatial streams <= 80MHz is split */
2995#define IEEE80211_EHT_PHY_CAP0_BEAMFORMEE_SS_80MHZ_MASK 0x80
2996#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK 0x03
2997
2998#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK 0x1c
2999#define IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK 0xe0
3000
3001#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK 0x07
3002#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK 0x38
3003
3004/* EHT number of sounding dimensions for 320MHz is split */
3005#define IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK 0xc0
3006#define IEEE80211_EHT_PHY_CAP3_SOUNDING_DIM_320MHZ_MASK 0x01
3007#define IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK 0x02
3008#define IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK 0x04
3009#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK 0x08
3010#define IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK 0x10
3011#define IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK 0x20
3012#define IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK 0x40
3013#define IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK 0x80
3014
3015#define IEEE80211_EHT_PHY_CAP4_PART_BW_DL_MU_MIMO 0x01
3016#define IEEE80211_EHT_PHY_CAP4_PSR_SR_SUPP 0x02
3017#define IEEE80211_EHT_PHY_CAP4_POWER_BOOST_FACT_SUPP 0x04
3018#define IEEE80211_EHT_PHY_CAP4_EHT_MU_PPDU_4_EHT_LTF_08_GI 0x08
3019#define IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK 0xf0
3020
3021#define IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK 0x01
3022#define IEEE80211_EHT_PHY_CAP5_TX_LESS_242_TONE_RU_SUPP 0x02
3023#define IEEE80211_EHT_PHY_CAP5_RX_LESS_242_TONE_RU_SUPP 0x04
3024#define IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT 0x08
3025#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK 0x30
3026#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_0US 0
3027#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_8US 1
3028#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US 2
3029#define IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_20US 3
3030
3031/* Maximum number of supported EHT LTF is split */
3032#define IEEE80211_EHT_PHY_CAP5_MAX_NUM_SUPP_EHT_LTF_MASK 0xc0
3033#define IEEE80211_EHT_PHY_CAP5_SUPP_EXTRA_EHT_LTF 0x40
3034#define IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK 0x07
3035
3036#define IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK 0x78
3037#define IEEE80211_EHT_PHY_CAP6_EHT_DUP_6GHZ_SUPP 0x80
3038
3039#define IEEE80211_EHT_PHY_CAP7_20MHZ_STA_RX_NDP_WIDER_BW 0x01
3040#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ 0x02
3041#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ 0x04
3042#define IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ 0x08
3043#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ 0x10
3044#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ 0x20
3045#define IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ 0x40
3046#define IEEE80211_EHT_PHY_CAP7_TB_SOUNDING_FDBK_RATE_LIMIT 0x80
3047
3048#define IEEE80211_EHT_PHY_CAP8_RX_1024QAM_WIDER_BW_DL_OFDMA 0x01
3049#define IEEE80211_EHT_PHY_CAP8_RX_4096QAM_WIDER_BW_DL_OFDMA 0x02
3050
3051/*
3052 * EHT operation channel width as defined in P802.11be_D2.0 section 9.4.2.311
3053 */
3054#define IEEE80211_EHT_OPER_CHAN_WIDTH 0x7
3055#define IEEE80211_EHT_OPER_CHAN_WIDTH_20MHZ 0
3056#define IEEE80211_EHT_OPER_CHAN_WIDTH_40MHZ 1
3057#define IEEE80211_EHT_OPER_CHAN_WIDTH_80MHZ 2
3058#define IEEE80211_EHT_OPER_CHAN_WIDTH_160MHZ 3
3059#define IEEE80211_EHT_OPER_CHAN_WIDTH_320MHZ 4
3060
3061/* Calculate 802.11be EHT capabilities IE Tx/Rx EHT MCS NSS Support Field size */
3062static inline u8
3063ieee80211_eht_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap,
3064 const struct ieee80211_eht_cap_elem_fixed *eht_cap,
3065 bool from_ap)
3066{
3067 u8 count = 0;
3068
3069 /* on 2.4 GHz, if it supports 40 MHz, the result is 3 */
3070 if (he_cap->phy_cap_info[0] &
3071 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G)
3072 return 3;
3073
3074 /* on 2.4 GHz, these three bits are reserved, so should be 0 */
3075 if (he_cap->phy_cap_info[0] &
3076 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G)
3077 count += 3;
3078
3079 if (he_cap->phy_cap_info[0] &
3080 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
3081 count += 3;
3082
3083 if (eht_cap->phy_cap_info[0] & IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ)
3084 count += 3;
3085
3086 if (count)
3087 return count;
3088
3089 return from_ap ? 3 : 4;
3090}
3091
3092/* 802.11be EHT PPE Thresholds */
3093#define IEEE80211_EHT_PPE_THRES_NSS_POS 0
3094#define IEEE80211_EHT_PPE_THRES_NSS_MASK 0xf
3095#define IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK 0x1f0
3096#define IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE 3
3097#define IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE 9
3098
3099/*
3100 * Calculate 802.11be EHT capabilities IE EHT field size
3101 */
3102static inline u8
3103ieee80211_eht_ppe_size(u16 ppe_thres_hdr, const u8 *phy_cap_info)
3104{
3105 u32 n;
3106
3107 if (!(phy_cap_info[5] &
3108 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT))
3109 return 0;
3110
3111 n = hweight16(ppe_thres_hdr &
3112 IEEE80211_EHT_PPE_THRES_RU_INDEX_BITMASK_MASK);
3113 n *= 1 + u16_get_bits(v: ppe_thres_hdr, IEEE80211_EHT_PPE_THRES_NSS_MASK);
3114
3115 /*
3116 * Each pair is 6 bits, and we need to add the 9 "header" bits to the
3117 * total size.
3118 */
3119 n = n * IEEE80211_EHT_PPE_THRES_INFO_PPET_SIZE * 2 +
3120 IEEE80211_EHT_PPE_THRES_INFO_HEADER_SIZE;
3121 return DIV_ROUND_UP(n, 8);
3122}
3123
3124static inline bool
3125ieee80211_eht_capa_size_ok(const u8 *he_capa, const u8 *data, u8 len,
3126 bool from_ap)
3127{
3128 const struct ieee80211_eht_cap_elem_fixed *elem = (const void *)data;
3129 u8 needed = sizeof(struct ieee80211_eht_cap_elem_fixed);
3130
3131 if (len < needed || !he_capa)
3132 return false;
3133
3134 needed += ieee80211_eht_mcs_nss_size(he_cap: (const void *)he_capa,
3135 eht_cap: (const void *)data,
3136 from_ap);
3137 if (len < needed)
3138 return false;
3139
3140 if (elem->phy_cap_info[5] &
3141 IEEE80211_EHT_PHY_CAP5_PPE_THRESHOLD_PRESENT) {
3142 u16 ppe_thres_hdr;
3143
3144 if (len < needed + sizeof(ppe_thres_hdr))
3145 return false;
3146
3147 ppe_thres_hdr = get_unaligned_le16(p: data + needed);
3148 needed += ieee80211_eht_ppe_size(ppe_thres_hdr,
3149 phy_cap_info: elem->phy_cap_info);
3150 }
3151
3152 return len >= needed;
3153}
3154
3155static inline bool
3156ieee80211_eht_oper_size_ok(const u8 *data, u8 len)
3157{
3158 const struct ieee80211_eht_operation *elem = (const void *)data;
3159 u8 needed = sizeof(*elem);
3160
3161 if (len < needed)
3162 return false;
3163
3164 if (elem->params & IEEE80211_EHT_OPER_INFO_PRESENT) {
3165 needed += 3;
3166
3167 if (elem->params &
3168 IEEE80211_EHT_OPER_DISABLED_SUBCHANNEL_BITMAP_PRESENT)
3169 needed += 2;
3170 }
3171
3172 return len >= needed;
3173}
3174
3175#define IEEE80211_BW_IND_DIS_SUBCH_PRESENT BIT(1)
3176
3177struct ieee80211_bandwidth_indication {
3178 u8 params;
3179 struct ieee80211_eht_operation_info info;
3180} __packed;
3181
3182static inline bool
3183ieee80211_bandwidth_indication_size_ok(const u8 *data, u8 len)
3184{
3185 const struct ieee80211_bandwidth_indication *bwi = (const void *)data;
3186
3187 if (len < sizeof(*bwi))
3188 return false;
3189
3190 if (bwi->params & IEEE80211_BW_IND_DIS_SUBCH_PRESENT &&
3191 len < sizeof(*bwi) + 2)
3192 return false;
3193
3194 return true;
3195}
3196
3197#define LISTEN_INT_USF GENMASK(15, 14)
3198#define LISTEN_INT_UI GENMASK(13, 0)
3199
3200#define IEEE80211_MAX_USF FIELD_MAX(LISTEN_INT_USF)
3201#define IEEE80211_MAX_UI FIELD_MAX(LISTEN_INT_UI)
3202
3203/* Authentication algorithms */
3204#define WLAN_AUTH_OPEN 0
3205#define WLAN_AUTH_SHARED_KEY 1
3206#define WLAN_AUTH_FT 2
3207#define WLAN_AUTH_SAE 3
3208#define WLAN_AUTH_FILS_SK 4
3209#define WLAN_AUTH_FILS_SK_PFS 5
3210#define WLAN_AUTH_FILS_PK 6
3211#define WLAN_AUTH_LEAP 128
3212
3213#define WLAN_AUTH_CHALLENGE_LEN 128
3214
3215#define WLAN_CAPABILITY_ESS (1<<0)
3216#define WLAN_CAPABILITY_IBSS (1<<1)
3217
3218/*
3219 * A mesh STA sets the ESS and IBSS capability bits to zero.
3220 * however, this holds true for p2p probe responses (in the p2p_find
3221 * phase) as well.
3222 */
3223#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
3224 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
3225
3226#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
3227#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
3228#define WLAN_CAPABILITY_PRIVACY (1<<4)
3229#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
3230#define WLAN_CAPABILITY_PBCC (1<<6)
3231#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
3232
3233/* 802.11h */
3234#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
3235#define WLAN_CAPABILITY_QOS (1<<9)
3236#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
3237#define WLAN_CAPABILITY_APSD (1<<11)
3238#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
3239#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
3240#define WLAN_CAPABILITY_DEL_BACK (1<<14)
3241#define WLAN_CAPABILITY_IMM_BACK (1<<15)
3242
3243/* DMG (60gHz) 802.11ad */
3244/* type - bits 0..1 */
3245#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
3246#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
3247#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
3248#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
3249
3250#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
3251#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
3252#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
3253#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
3254
3255#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
3256#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
3257
3258/* measurement */
3259#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
3260#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
3261#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
3262
3263#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
3264#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
3265#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
3266#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
3267#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
3268
3269/* 802.11g ERP information element */
3270#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
3271#define WLAN_ERP_USE_PROTECTION (1<<1)
3272#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
3273
3274/* WLAN_ERP_BARKER_PREAMBLE values */
3275enum {
3276 WLAN_ERP_PREAMBLE_SHORT = 0,
3277 WLAN_ERP_PREAMBLE_LONG = 1,
3278};
3279
3280/* Band ID, 802.11ad #8.4.1.45 */
3281enum {
3282 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
3283 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
3284 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
3285 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
3286 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
3287 IEEE80211_BANDID_60G = 5, /* 60 GHz */
3288};
3289
3290/* Status codes */
3291enum ieee80211_statuscode {
3292 WLAN_STATUS_SUCCESS = 0,
3293 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
3294 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
3295 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
3296 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
3297 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
3298 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
3299 WLAN_STATUS_CHALLENGE_FAIL = 15,
3300 WLAN_STATUS_AUTH_TIMEOUT = 16,
3301 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
3302 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
3303 /* 802.11b */
3304 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
3305 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
3306 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
3307 /* 802.11h */
3308 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
3309 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
3310 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
3311 /* 802.11g */
3312 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
3313 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
3314 /* 802.11w */
3315 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
3316 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
3317 /* 802.11i */
3318 WLAN_STATUS_INVALID_IE = 40,
3319 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
3320 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
3321 WLAN_STATUS_INVALID_AKMP = 43,
3322 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
3323 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
3324 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
3325 /* 802.11e */
3326 WLAN_STATUS_UNSPECIFIED_QOS = 32,
3327 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
3328 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
3329 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
3330 WLAN_STATUS_REQUEST_DECLINED = 37,
3331 WLAN_STATUS_INVALID_QOS_PARAM = 38,
3332 WLAN_STATUS_CHANGE_TSPEC = 39,
3333 WLAN_STATUS_WAIT_TS_DELAY = 47,
3334 WLAN_STATUS_NO_DIRECT_LINK = 48,
3335 WLAN_STATUS_STA_NOT_PRESENT = 49,
3336 WLAN_STATUS_STA_NOT_QSTA = 50,
3337 /* 802.11s */
3338 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
3339 WLAN_STATUS_FCG_NOT_SUPP = 78,
3340 WLAN_STATUS_STA_NO_TBTT = 78,
3341 /* 802.11ad */
3342 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
3343 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
3344 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
3345 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
3346 WLAN_STATUS_PERFORMING_FST_NOW = 87,
3347 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
3348 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
3349 WLAN_STATUS_REJECT_DSE_BAND = 96,
3350 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
3351 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
3352 /* 802.11ai */
3353 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
3354 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
3355 WLAN_STATUS_SAE_HASH_TO_ELEMENT = 126,
3356 WLAN_STATUS_SAE_PK = 127,
3357};
3358
3359
3360/* Reason codes */
3361enum ieee80211_reasoncode {
3362 WLAN_REASON_UNSPECIFIED = 1,
3363 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
3364 WLAN_REASON_DEAUTH_LEAVING = 3,
3365 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
3366 WLAN_REASON_DISASSOC_AP_BUSY = 5,
3367 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
3368 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
3369 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
3370 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
3371 /* 802.11h */
3372 WLAN_REASON_DISASSOC_BAD_POWER = 10,
3373 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
3374 /* 802.11i */
3375 WLAN_REASON_INVALID_IE = 13,
3376 WLAN_REASON_MIC_FAILURE = 14,
3377 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
3378 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
3379 WLAN_REASON_IE_DIFFERENT = 17,
3380 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
3381 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
3382 WLAN_REASON_INVALID_AKMP = 20,
3383 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
3384 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
3385 WLAN_REASON_IEEE8021X_FAILED = 23,
3386 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
3387 /* TDLS (802.11z) */
3388 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
3389 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
3390 /* 802.11e */
3391 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
3392 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
3393 WLAN_REASON_DISASSOC_LOW_ACK = 34,
3394 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
3395 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
3396 WLAN_REASON_QSTA_NOT_USE = 37,
3397 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
3398 WLAN_REASON_QSTA_TIMEOUT = 39,
3399 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
3400 /* 802.11s */
3401 WLAN_REASON_MESH_PEER_CANCELED = 52,
3402 WLAN_REASON_MESH_MAX_PEERS = 53,
3403 WLAN_REASON_MESH_CONFIG = 54,
3404 WLAN_REASON_MESH_CLOSE = 55,
3405 WLAN_REASON_MESH_MAX_RETRIES = 56,
3406 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
3407 WLAN_REASON_MESH_INVALID_GTK = 58,
3408 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
3409 WLAN_REASON_MESH_INVALID_SECURITY = 60,
3410 WLAN_REASON_MESH_PATH_ERROR = 61,
3411 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
3412 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
3413 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
3414 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
3415 WLAN_REASON_MESH_CHAN = 66,
3416};
3417
3418
3419/* Information Element IDs */
3420enum ieee80211_eid {
3421 WLAN_EID_SSID = 0,
3422 WLAN_EID_SUPP_RATES = 1,
3423 WLAN_EID_FH_PARAMS = 2, /* reserved now */
3424 WLAN_EID_DS_PARAMS = 3,
3425 WLAN_EID_CF_PARAMS = 4,
3426 WLAN_EID_TIM = 5,
3427 WLAN_EID_IBSS_PARAMS = 6,
3428 WLAN_EID_COUNTRY = 7,
3429 /* 8, 9 reserved */
3430 WLAN_EID_REQUEST = 10,
3431 WLAN_EID_QBSS_LOAD = 11,
3432 WLAN_EID_EDCA_PARAM_SET = 12,
3433 WLAN_EID_TSPEC = 13,
3434 WLAN_EID_TCLAS = 14,
3435 WLAN_EID_SCHEDULE = 15,
3436 WLAN_EID_CHALLENGE = 16,
3437 /* 17-31 reserved for challenge text extension */
3438 WLAN_EID_PWR_CONSTRAINT = 32,
3439 WLAN_EID_PWR_CAPABILITY = 33,
3440 WLAN_EID_TPC_REQUEST = 34,
3441 WLAN_EID_TPC_REPORT = 35,
3442 WLAN_EID_SUPPORTED_CHANNELS = 36,
3443 WLAN_EID_CHANNEL_SWITCH = 37,
3444 WLAN_EID_MEASURE_REQUEST = 38,
3445 WLAN_EID_MEASURE_REPORT = 39,
3446 WLAN_EID_QUIET = 40,
3447 WLAN_EID_IBSS_DFS = 41,
3448 WLAN_EID_ERP_INFO = 42,
3449 WLAN_EID_TS_DELAY = 43,
3450 WLAN_EID_TCLAS_PROCESSING = 44,
3451 WLAN_EID_HT_CAPABILITY = 45,
3452 WLAN_EID_QOS_CAPA = 46,
3453 /* 47 reserved for Broadcom */
3454 WLAN_EID_RSN = 48,
3455 WLAN_EID_802_15_COEX = 49,
3456 WLAN_EID_EXT_SUPP_RATES = 50,
3457 WLAN_EID_AP_CHAN_REPORT = 51,
3458 WLAN_EID_NEIGHBOR_REPORT = 52,
3459 WLAN_EID_RCPI = 53,
3460 WLAN_EID_MOBILITY_DOMAIN = 54,
3461 WLAN_EID_FAST_BSS_TRANSITION = 55,
3462 WLAN_EID_TIMEOUT_INTERVAL = 56,
3463 WLAN_EID_RIC_DATA = 57,
3464 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
3465 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
3466 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
3467 WLAN_EID_HT_OPERATION = 61,
3468 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
3469 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
3470 WLAN_EID_ANTENNA_INFO = 64,
3471 WLAN_EID_RSNI = 65,
3472 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
3473 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
3474 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
3475 WLAN_EID_TIME_ADVERTISEMENT = 69,
3476 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
3477 WLAN_EID_MULTIPLE_BSSID = 71,
3478 WLAN_EID_BSS_COEX_2040 = 72,
3479 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
3480 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
3481 WLAN_EID_RIC_DESCRIPTOR = 75,
3482 WLAN_EID_MMIE = 76,
3483 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
3484 WLAN_EID_EVENT_REQUEST = 78,
3485 WLAN_EID_EVENT_REPORT = 79,
3486 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
3487 WLAN_EID_DIAGNOSTIC_REPORT = 81,
3488 WLAN_EID_LOCATION_PARAMS = 82,
3489 WLAN_EID_NON_TX_BSSID_CAP = 83,
3490 WLAN_EID_SSID_LIST = 84,
3491 WLAN_EID_MULTI_BSSID_IDX = 85,
3492 WLAN_EID_FMS_DESCRIPTOR = 86,
3493 WLAN_EID_FMS_REQUEST = 87,
3494 WLAN_EID_FMS_RESPONSE = 88,
3495 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
3496 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
3497 WLAN_EID_TSF_REQUEST = 91,
3498 WLAN_EID_TSF_RESPOSNE = 92,
3499 WLAN_EID_WNM_SLEEP_MODE = 93,
3500 WLAN_EID_TIM_BCAST_REQ = 94,
3501 WLAN_EID_TIM_BCAST_RESP = 95,
3502 WLAN_EID_COLL_IF_REPORT = 96,
3503 WLAN_EID_CHANNEL_USAGE = 97,
3504 WLAN_EID_TIME_ZONE = 98,
3505 WLAN_EID_DMS_REQUEST = 99,
3506 WLAN_EID_DMS_RESPONSE = 100,
3507 WLAN_EID_LINK_ID = 101,
3508 WLAN_EID_WAKEUP_SCHEDUL = 102,
3509 /* 103 reserved */
3510 WLAN_EID_CHAN_SWITCH_TIMING = 104,
3511 WLAN_EID_PTI_CONTROL = 105,
3512 WLAN_EID_PU_BUFFER_STATUS = 106,
3513 WLAN_EID_INTERWORKING = 107,
3514 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
3515 WLAN_EID_EXPEDITED_BW_REQ = 109,
3516 WLAN_EID_QOS_MAP_SET = 110,
3517 WLAN_EID_ROAMING_CONSORTIUM = 111,
3518 WLAN_EID_EMERGENCY_ALERT = 112,
3519 WLAN_EID_MESH_CONFIG = 113,
3520 WLAN_EID_MESH_ID = 114,
3521 WLAN_EID_LINK_METRIC_REPORT = 115,
3522 WLAN_EID_CONGESTION_NOTIFICATION = 116,
3523 WLAN_EID_PEER_MGMT = 117,
3524 WLAN_EID_CHAN_SWITCH_PARAM = 118,
3525 WLAN_EID_MESH_AWAKE_WINDOW = 119,
3526 WLAN_EID_BEACON_TIMING = 120,
3527 WLAN_EID_MCCAOP_SETUP_REQ = 121,
3528 WLAN_EID_MCCAOP_SETUP_RESP = 122,
3529 WLAN_EID_MCCAOP_ADVERT = 123,
3530 WLAN_EID_MCCAOP_TEARDOWN = 124,
3531 WLAN_EID_GANN = 125,
3532 WLAN_EID_RANN = 126,
3533 WLAN_EID_EXT_CAPABILITY = 127,
3534 /* 128, 129 reserved for Agere */
3535 WLAN_EID_PREQ = 130,
3536 WLAN_EID_PREP = 131,
3537 WLAN_EID_PERR = 132,
3538 /* 133-136 reserved for Cisco */
3539 WLAN_EID_PXU = 137,
3540 WLAN_EID_PXUC = 138,
3541 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
3542 WLAN_EID_MIC = 140,
3543 WLAN_EID_DESTINATION_URI = 141,
3544 WLAN_EID_UAPSD_COEX = 142,
3545 WLAN_EID_WAKEUP_SCHEDULE = 143,
3546 WLAN_EID_EXT_SCHEDULE = 144,
3547 WLAN_EID_STA_AVAILABILITY = 145,
3548 WLAN_EID_DMG_TSPEC = 146,
3549 WLAN_EID_DMG_AT = 147,
3550 WLAN_EID_DMG_CAP = 148,
3551 /* 149 reserved for Cisco */
3552 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
3553 WLAN_EID_DMG_OPERATION = 151,
3554 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
3555 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
3556 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
3557 /* 155-156 reserved for Cisco */
3558 WLAN_EID_AWAKE_WINDOW = 157,
3559 WLAN_EID_MULTI_BAND = 158,
3560 WLAN_EID_ADDBA_EXT = 159,
3561 WLAN_EID_NEXT_PCP_LIST = 160,
3562 WLAN_EID_PCP_HANDOVER = 161,
3563 WLAN_EID_DMG_LINK_MARGIN = 162,
3564 WLAN_EID_SWITCHING_STREAM = 163,
3565 WLAN_EID_SESSION_TRANSITION = 164,
3566 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
3567 WLAN_EID_CLUSTER_REPORT = 166,
3568 WLAN_EID_RELAY_CAP = 167,
3569 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
3570 WLAN_EID_BEAM_LINK_MAINT = 169,
3571 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
3572 WLAN_EID_U_PID = 171,
3573 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
3574 /* 173 reserved for Symbol */
3575 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
3576 WLAN_EID_QUIET_PERIOD_REQ = 175,
3577 /* 176 reserved for Symbol */
3578 WLAN_EID_QUIET_PERIOD_RESP = 177,
3579 /* 178-179 reserved for Symbol */
3580 /* 180 reserved for ISO/IEC 20011 */
3581 WLAN_EID_EPAC_POLICY = 182,
3582 WLAN_EID_CLISTER_TIME_OFF = 183,
3583 WLAN_EID_INTER_AC_PRIO = 184,
3584 WLAN_EID_SCS_DESCRIPTOR = 185,
3585 WLAN_EID_QLOAD_REPORT = 186,
3586 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
3587 WLAN_EID_HL_STREAM_ID = 188,
3588 WLAN_EID_GCR_GROUP_ADDR = 189,
3589 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
3590 WLAN_EID_VHT_CAPABILITY = 191,
3591 WLAN_EID_VHT_OPERATION = 192,
3592 WLAN_EID_EXTENDED_BSS_LOAD = 193,
3593 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
3594 WLAN_EID_TX_POWER_ENVELOPE = 195,
3595 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
3596 WLAN_EID_AID = 197,
3597 WLAN_EID_QUIET_CHANNEL = 198,
3598 WLAN_EID_OPMODE_NOTIF = 199,
3599
3600 WLAN_EID_REDUCED_NEIGHBOR_REPORT = 201,
3601
3602 WLAN_EID_AID_REQUEST = 210,
3603 WLAN_EID_AID_RESPONSE = 211,
3604 WLAN_EID_S1G_BCN_COMPAT = 213,
3605 WLAN_EID_S1G_SHORT_BCN_INTERVAL = 214,
3606 WLAN_EID_S1G_TWT = 216,
3607 WLAN_EID_S1G_CAPABILITIES = 217,
3608 WLAN_EID_VENDOR_SPECIFIC = 221,
3609 WLAN_EID_QOS_PARAMETER = 222,
3610 WLAN_EID_S1G_OPERATION = 232,
3611 WLAN_EID_CAG_NUMBER = 237,
3612 WLAN_EID_AP_CSN = 239,
3613 WLAN_EID_FILS_INDICATION = 240,
3614 WLAN_EID_DILS = 241,
3615 WLAN_EID_FRAGMENT = 242,
3616 WLAN_EID_RSNX = 244,
3617 WLAN_EID_EXTENSION = 255
3618};
3619
3620/* Element ID Extensions for Element ID 255 */
3621enum ieee80211_eid_ext {
3622 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
3623 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
3624 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
3625 WLAN_EID_EXT_FILS_SESSION = 4,
3626 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
3627 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
3628 WLAN_EID_EXT_KEY_DELIVERY = 7,
3629 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
3630 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
3631 WLAN_EID_EXT_FILS_NONCE = 13,
3632 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
3633 WLAN_EID_EXT_HE_CAPABILITY = 35,
3634 WLAN_EID_EXT_HE_OPERATION = 36,
3635 WLAN_EID_EXT_UORA = 37,
3636 WLAN_EID_EXT_HE_MU_EDCA = 38,
3637 WLAN_EID_EXT_HE_SPR = 39,
3638 WLAN_EID_EXT_NDP_FEEDBACK_REPORT_PARAMSET = 41,
3639 WLAN_EID_EXT_BSS_COLOR_CHG_ANN = 42,
3640 WLAN_EID_EXT_QUIET_TIME_PERIOD_SETUP = 43,
3641 WLAN_EID_EXT_ESS_REPORT = 45,
3642 WLAN_EID_EXT_OPS = 46,
3643 WLAN_EID_EXT_HE_BSS_LOAD = 47,
3644 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
3645 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
3646 WLAN_EID_EXT_NON_INHERITANCE = 56,
3647 WLAN_EID_EXT_KNOWN_BSSID = 57,
3648 WLAN_EID_EXT_SHORT_SSID_LIST = 58,
3649 WLAN_EID_EXT_HE_6GHZ_CAPA = 59,
3650 WLAN_EID_EXT_UL_MU_POWER_CAPA = 60,
3651 WLAN_EID_EXT_EHT_OPERATION = 106,
3652 WLAN_EID_EXT_EHT_MULTI_LINK = 107,
3653 WLAN_EID_EXT_EHT_CAPABILITY = 108,
3654 WLAN_EID_EXT_TID_TO_LINK_MAPPING = 109,
3655 WLAN_EID_EXT_BANDWIDTH_INDICATION = 135,
3656};
3657
3658/* Action category code */
3659enum ieee80211_category {
3660 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
3661 WLAN_CATEGORY_QOS = 1,
3662 WLAN_CATEGORY_DLS = 2,
3663 WLAN_CATEGORY_BACK = 3,
3664 WLAN_CATEGORY_PUBLIC = 4,
3665 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
3666 WLAN_CATEGORY_FAST_BBS_TRANSITION = 6,
3667 WLAN_CATEGORY_HT = 7,
3668 WLAN_CATEGORY_SA_QUERY = 8,
3669 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
3670 WLAN_CATEGORY_WNM = 10,
3671 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
3672 WLAN_CATEGORY_TDLS = 12,
3673 WLAN_CATEGORY_MESH_ACTION = 13,
3674 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
3675 WLAN_CATEGORY_SELF_PROTECTED = 15,
3676 WLAN_CATEGORY_DMG = 16,
3677 WLAN_CATEGORY_WMM = 17,
3678 WLAN_CATEGORY_FST = 18,
3679 WLAN_CATEGORY_UNPROT_DMG = 20,
3680 WLAN_CATEGORY_VHT = 21,
3681 WLAN_CATEGORY_S1G = 22,
3682 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
3683 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
3684};
3685
3686/* SPECTRUM_MGMT action code */
3687enum ieee80211_spectrum_mgmt_actioncode {
3688 WLAN_ACTION_SPCT_MSR_REQ = 0,
3689 WLAN_ACTION_SPCT_MSR_RPRT = 1,
3690 WLAN_ACTION_SPCT_TPC_REQ = 2,
3691 WLAN_ACTION_SPCT_TPC_RPRT = 3,
3692 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
3693};
3694
3695/* HT action codes */
3696enum ieee80211_ht_actioncode {
3697 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
3698 WLAN_HT_ACTION_SMPS = 1,
3699 WLAN_HT_ACTION_PSMP = 2,
3700 WLAN_HT_ACTION_PCO_PHASE = 3,
3701 WLAN_HT_ACTION_CSI = 4,
3702 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
3703 WLAN_HT_ACTION_COMPRESSED_BF = 6,
3704 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
3705};
3706
3707/* VHT action codes */
3708enum ieee80211_vht_actioncode {
3709 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
3710 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
3711 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
3712};
3713
3714/* Self Protected Action codes */
3715enum ieee80211_self_protected_actioncode {
3716 WLAN_SP_RESERVED = 0,
3717 WLAN_SP_MESH_PEERING_OPEN = 1,
3718 WLAN_SP_MESH_PEERING_CONFIRM = 2,
3719 WLAN_SP_MESH_PEERING_CLOSE = 3,
3720 WLAN_SP_MGK_INFORM = 4,
3721 WLAN_SP_MGK_ACK = 5,
3722};
3723
3724/* Mesh action codes */
3725enum ieee80211_mesh_actioncode {
3726 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
3727 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
3728 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
3729 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
3730 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
3731 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
3732 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
3733 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
3734 WLAN_MESH_ACTION_MCCA_TEARDOWN,
3735 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
3736 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
3737};
3738
3739/* Unprotected WNM action codes */
3740enum ieee80211_unprotected_wnm_actioncode {
3741 WLAN_UNPROTECTED_WNM_ACTION_TIM = 0,
3742 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE = 1,
3743};
3744
3745/* Security key length */
3746enum ieee80211_key_len {
3747 WLAN_KEY_LEN_WEP40 = 5,
3748 WLAN_KEY_LEN_WEP104 = 13,
3749 WLAN_KEY_LEN_CCMP = 16,
3750 WLAN_KEY_LEN_CCMP_256 = 32,
3751 WLAN_KEY_LEN_TKIP = 32,
3752 WLAN_KEY_LEN_AES_CMAC = 16,
3753 WLAN_KEY_LEN_SMS4 = 32,
3754 WLAN_KEY_LEN_GCMP = 16,
3755 WLAN_KEY_LEN_GCMP_256 = 32,
3756 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
3757 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
3758 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
3759};
3760
3761enum ieee80211_s1g_actioncode {
3762 WLAN_S1G_AID_SWITCH_REQUEST,
3763 WLAN_S1G_AID_SWITCH_RESPONSE,
3764 WLAN_S1G_SYNC_CONTROL,
3765 WLAN_S1G_STA_INFO_ANNOUNCE,
3766 WLAN_S1G_EDCA_PARAM_SET,
3767 WLAN_S1G_EL_OPERATION,
3768 WLAN_S1G_TWT_SETUP,
3769 WLAN_S1G_TWT_TEARDOWN,
3770 WLAN_S1G_SECT_GROUP_ID_LIST,
3771 WLAN_S1G_SECT_ID_FEEDBACK,
3772 WLAN_S1G_TWT_INFORMATION = 11,
3773};
3774
3775#define IEEE80211_WEP_IV_LEN 4
3776#define IEEE80211_WEP_ICV_LEN 4
3777#define IEEE80211_CCMP_HDR_LEN 8
3778#define IEEE80211_CCMP_MIC_LEN 8
3779#define IEEE80211_CCMP_PN_LEN 6
3780#define IEEE80211_CCMP_256_HDR_LEN 8
3781#define IEEE80211_CCMP_256_MIC_LEN 16
3782#define IEEE80211_CCMP_256_PN_LEN 6
3783#define IEEE80211_TKIP_IV_LEN 8
3784#define IEEE80211_TKIP_ICV_LEN 4
3785#define IEEE80211_CMAC_PN_LEN 6
3786#define IEEE80211_GMAC_PN_LEN 6
3787#define IEEE80211_GCMP_HDR_LEN 8
3788#define IEEE80211_GCMP_MIC_LEN 16
3789#define IEEE80211_GCMP_PN_LEN 6
3790
3791#define FILS_NONCE_LEN 16
3792#define FILS_MAX_KEK_LEN 64
3793
3794#define FILS_ERP_MAX_USERNAME_LEN 16
3795#define FILS_ERP_MAX_REALM_LEN 253
3796#define FILS_ERP_MAX_RRK_LEN 64
3797
3798#define PMK_MAX_LEN 64
3799#define SAE_PASSWORD_MAX_LEN 128
3800
3801/* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
3802enum ieee80211_pub_actioncode {
3803 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
3804 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
3805 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
3806 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
3807 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
3808 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
3809 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
3810 WLAN_PUB_ACTION_MSMT_PILOT = 7,
3811 WLAN_PUB_ACTION_DSE_PC = 8,
3812 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
3813 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
3814 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
3815 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
3816 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
3817 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
3818 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
3819 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
3820 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
3821 WLAN_PUB_ACTION_QMF_POLICY = 18,
3822 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
3823 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
3824 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
3825 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
3826 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
3827 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
3828 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
3829 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
3830 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
3831 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
3832 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
3833 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
3834 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
3835 WLAN_PUB_ACTION_FTM_REQUEST = 32,
3836 WLAN_PUB_ACTION_FTM_RESPONSE = 33,
3837 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
3838};
3839
3840/* TDLS action codes */
3841enum ieee80211_tdls_actioncode {
3842 WLAN_TDLS_SETUP_REQUEST = 0,
3843 WLAN_TDLS_SETUP_RESPONSE = 1,
3844 WLAN_TDLS_SETUP_CONFIRM = 2,
3845 WLAN_TDLS_TEARDOWN = 3,
3846 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
3847 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
3848 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
3849 WLAN_TDLS_PEER_PSM_REQUEST = 7,
3850 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
3851 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
3852 WLAN_TDLS_DISCOVERY_REQUEST = 10,
3853};
3854
3855/* Extended Channel Switching capability to be set in the 1st byte of
3856 * the @WLAN_EID_EXT_CAPABILITY information element
3857 */
3858#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
3859
3860/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
3861 * @WLAN_EID_EXT_CAPABILITY information element
3862 */
3863#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
3864
3865/* Timing Measurement protocol for time sync is set in the 7th bit of 3rd byte
3866 * of the @WLAN_EID_EXT_CAPABILITY information element
3867 */
3868#define WLAN_EXT_CAPA3_TIMING_MEASUREMENT_SUPPORT BIT(7)
3869
3870/* TDLS capabilities in the 4th byte of @WLAN_EID_EXT_CAPABILITY */
3871#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
3872#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
3873#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
3874
3875/* Interworking capabilities are set in 7th bit of 4th byte of the
3876 * @WLAN_EID_EXT_CAPABILITY information element
3877 */
3878#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
3879
3880/*
3881 * TDLS capabililites to be enabled in the 5th byte of the
3882 * @WLAN_EID_EXT_CAPABILITY information element
3883 */
3884#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
3885#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
3886#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
3887
3888#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
3889#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
3890
3891/* Defines the maximal number of MSDUs in an A-MSDU. */
3892#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
3893#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
3894
3895/*
3896 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
3897 * information element
3898 */
3899#define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
3900
3901/* Defines support for TWT Requester and TWT Responder */
3902#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
3903#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
3904
3905/*
3906 * When set, indicates that the AP is able to tolerate 26-tone RU UL
3907 * OFDMA transmissions using HE TB PPDU from OBSS (not falsely classify the
3908 * 26-tone RU UL OFDMA transmissions as radar pulses).
3909 */
3910#define WLAN_EXT_CAPA10_OBSS_NARROW_BW_RU_TOLERANCE_SUPPORT BIT(7)
3911
3912/* Defines support for enhanced multi-bssid advertisement*/
3913#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(3)
3914
3915/* TDLS specific payload type in the LLC/SNAP header */
3916#define WLAN_TDLS_SNAP_RFTYPE 0x2
3917
3918/* BSS Coex IE information field bits */
3919#define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
3920
3921/**
3922 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
3923 *
3924 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
3925 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
3926 * that will be specified in a vendor specific information element
3927 */
3928enum ieee80211_mesh_sync_method {
3929 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
3930 IEEE80211_SYNC_METHOD_VENDOR = 255,
3931};
3932
3933/**
3934 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
3935 *
3936 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
3937 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
3938 * be specified in a vendor specific information element
3939 */
3940enum ieee80211_mesh_path_protocol {
3941 IEEE80211_PATH_PROTOCOL_HWMP = 1,
3942 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
3943};
3944
3945/**
3946 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
3947 *
3948 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
3949 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
3950 * specified in a vendor specific information element
3951 */
3952enum ieee80211_mesh_path_metric {
3953 IEEE80211_PATH_METRIC_AIRTIME = 1,
3954 IEEE80211_PATH_METRIC_VENDOR = 255,
3955};
3956
3957/**
3958 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
3959 *
3960 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
3961 *
3962 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
3963 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
3964 * this value
3965 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
3966 * the proactive PREQ with proactive PREP subfield set to 0
3967 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
3968 * supports the proactive PREQ with proactive PREP subfield set to 1
3969 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
3970 * the proactive RANN
3971 */
3972enum ieee80211_root_mode_identifier {
3973 IEEE80211_ROOTMODE_NO_ROOT = 0,
3974 IEEE80211_ROOTMODE_ROOT = 1,
3975 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
3976 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
3977 IEEE80211_PROACTIVE_RANN = 4,
3978};
3979
3980/*
3981 * IEEE 802.11-2007 7.3.2.9 Country information element
3982 *
3983 * Minimum length is 8 octets, ie len must be evenly
3984 * divisible by 2
3985 */
3986
3987/* Although the spec says 8 I'm seeing 6 in practice */
3988#define IEEE80211_COUNTRY_IE_MIN_LEN 6
3989
3990/* The Country String field of the element shall be 3 octets in length */
3991#define IEEE80211_COUNTRY_STRING_LEN 3
3992
3993/*
3994 * For regulatory extension stuff see IEEE 802.11-2007
3995 * Annex I (page 1141) and Annex J (page 1147). Also
3996 * review 7.3.2.9.
3997 *
3998 * When dot11RegulatoryClassesRequired is true and the
3999 * first_channel/reg_extension_id is >= 201 then the IE
4000 * compromises of the 'ext' struct represented below:
4001 *
4002 * - Regulatory extension ID - when generating IE this just needs
4003 * to be monotonically increasing for each triplet passed in
4004 * the IE
4005 * - Regulatory class - index into set of rules
4006 * - Coverage class - index into air propagation time (Table 7-27),
4007 * in microseconds, you can compute the air propagation time from
4008 * the index by multiplying by 3, so index 10 yields a propagation
4009 * of 10 us. Valid values are 0-31, values 32-255 are not defined
4010 * yet. A value of 0 inicates air propagation of <= 1 us.
4011 *
4012 * See also Table I.2 for Emission limit sets and table
4013 * I.3 for Behavior limit sets. Table J.1 indicates how to map
4014 * a reg_class to an emission limit set and behavior limit set.
4015 */
4016#define IEEE80211_COUNTRY_EXTENSION_ID 201
4017
4018/*
4019 * Channels numbers in the IE must be monotonically increasing
4020 * if dot11RegulatoryClassesRequired is not true.
4021 *
4022 * If dot11RegulatoryClassesRequired is true consecutive
4023 * subband triplets following a regulatory triplet shall
4024 * have monotonically increasing first_channel number fields.
4025 *
4026 * Channel numbers shall not overlap.
4027 *
4028 * Note that max_power is signed.
4029 */
4030struct ieee80211_country_ie_triplet {
4031 union {
4032 struct {
4033 u8 first_channel;
4034 u8 num_channels;
4035 s8 max_power;
4036 } __packed chans;
4037 struct {
4038 u8 reg_extension_id;
4039 u8 reg_class;
4040 u8 coverage_class;
4041 } __packed ext;
4042 };
4043} __packed;
4044
4045enum ieee80211_timeout_interval_type {
4046 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
4047 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
4048 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
4049};
4050
4051/**
4052 * struct ieee80211_timeout_interval_ie - Timeout Interval element
4053 * @type: type, see &enum ieee80211_timeout_interval_type
4054 * @value: timeout interval value
4055 */
4056struct ieee80211_timeout_interval_ie {
4057 u8 type;
4058 __le32 value;
4059} __packed;
4060
4061/**
4062 * enum ieee80211_idle_options - BSS idle options
4063 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
4064 * protected frame to the AP to reset the idle timer at the AP for
4065 * the station.
4066 */
4067enum ieee80211_idle_options {
4068 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
4069};
4070
4071/**
4072 * struct ieee80211_bss_max_idle_period_ie
4073 *
4074 * This structure refers to "BSS Max idle period element"
4075 *
4076 * @max_idle_period: indicates the time period during which a station can
4077 * refrain from transmitting frames to its associated AP without being
4078 * disassociated. In units of 1000 TUs.
4079 * @idle_options: indicates the options associated with the BSS idle capability
4080 * as specified in &enum ieee80211_idle_options.
4081 */
4082struct ieee80211_bss_max_idle_period_ie {
4083 __le16 max_idle_period;
4084 u8 idle_options;
4085} __packed;
4086
4087/* BACK action code */
4088enum ieee80211_back_actioncode {
4089 WLAN_ACTION_ADDBA_REQ = 0,
4090 WLAN_ACTION_ADDBA_RESP = 1,
4091 WLAN_ACTION_DELBA = 2,
4092};
4093
4094/* BACK (block-ack) parties */
4095enum ieee80211_back_parties {
4096 WLAN_BACK_RECIPIENT = 0,
4097 WLAN_BACK_INITIATOR = 1,
4098};
4099
4100/* SA Query action */
4101enum ieee80211_sa_query_action {
4102 WLAN_ACTION_SA_QUERY_REQUEST = 0,
4103 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
4104};
4105
4106/**
4107 * struct ieee80211_bssid_index
4108 *
4109 * This structure refers to "Multiple BSSID-index element"
4110 *
4111 * @bssid_index: BSSID index
4112 * @dtim_period: optional, overrides transmitted BSS dtim period
4113 * @dtim_count: optional, overrides transmitted BSS dtim count
4114 */
4115struct ieee80211_bssid_index {
4116 u8 bssid_index;
4117 u8 dtim_period;
4118 u8 dtim_count;
4119};
4120
4121/**
4122 * struct ieee80211_multiple_bssid_configuration
4123 *
4124 * This structure refers to "Multiple BSSID Configuration element"
4125 *
4126 * @bssid_count: total number of active BSSIDs in the set
4127 * @profile_periodicity: the least number of beacon frames need to be received
4128 * in order to discover all the nontransmitted BSSIDs in the set.
4129 */
4130struct ieee80211_multiple_bssid_configuration {
4131 u8 bssid_count;
4132 u8 profile_periodicity;
4133};
4134
4135#define SUITE(oui, id) (((oui) << 8) | (id))
4136
4137/* cipher suite selectors */
4138#define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
4139#define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
4140#define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
4141/* reserved: SUITE(0x000FAC, 3) */
4142#define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
4143#define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
4144#define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
4145#define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
4146#define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
4147#define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
4148#define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
4149#define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
4150#define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
4151
4152#define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
4153
4154/* AKM suite selectors */
4155#define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
4156#define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
4157#define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
4158#define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
4159#define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
4160#define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
4161#define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
4162#define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
4163#define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
4164#define WLAN_AKM_SUITE_AP_PEER_KEY SUITE(0x000FAC, 10)
4165#define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
4166#define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
4167#define WLAN_AKM_SUITE_FT_8021X_SHA384 SUITE(0x000FAC, 13)
4168#define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
4169#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
4170#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
4171#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
4172#define WLAN_AKM_SUITE_OWE SUITE(0x000FAC, 18)
4173#define WLAN_AKM_SUITE_FT_PSK_SHA384 SUITE(0x000FAC, 19)
4174#define WLAN_AKM_SUITE_PSK_SHA384 SUITE(0x000FAC, 20)
4175
4176#define WLAN_AKM_SUITE_WFA_DPP SUITE(WLAN_OUI_WFA, 2)
4177
4178#define WLAN_MAX_KEY_LEN 32
4179
4180#define WLAN_PMK_NAME_LEN 16
4181#define WLAN_PMKID_LEN 16
4182#define WLAN_PMK_LEN_EAP_LEAP 16
4183#define WLAN_PMK_LEN 32
4184#define WLAN_PMK_LEN_SUITE_B_192 48
4185
4186#define WLAN_OUI_WFA 0x506f9a
4187#define WLAN_OUI_TYPE_WFA_P2P 9
4188#define WLAN_OUI_TYPE_WFA_DPP 0x1A
4189#define WLAN_OUI_MICROSOFT 0x0050f2
4190#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
4191#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
4192#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
4193#define WLAN_OUI_TYPE_MICROSOFT_TPC 8
4194
4195/*
4196 * WMM/802.11e Tspec Element
4197 */
4198#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
4199#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
4200
4201enum ieee80211_tspec_status_code {
4202 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
4203 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
4204};
4205
4206struct ieee80211_tspec_ie {
4207 u8 element_id;
4208 u8 len;
4209 u8 oui[3];
4210 u8 oui_type;
4211 u8 oui_subtype;
4212 u8 version;
4213 __le16 tsinfo;
4214 u8 tsinfo_resvd;
4215 __le16 nominal_msdu;
4216 __le16 max_msdu;
4217 __le32 min_service_int;
4218 __le32 max_service_int;
4219 __le32 inactivity_int;
4220 __le32 suspension_int;
4221 __le32 service_start_time;
4222 __le32 min_data_rate;
4223 __le32 mean_data_rate;
4224 __le32 peak_data_rate;
4225 __le32 max_burst_size;
4226 __le32 delay_bound;
4227 __le32 min_phy_rate;
4228 __le16 sba;
4229 __le16 medium_time;
4230} __packed;
4231
4232struct ieee80211_he_6ghz_capa {
4233 /* uses IEEE80211_HE_6GHZ_CAP_* below */
4234 __le16 capa;
4235} __packed;
4236
4237/* HE 6 GHz band capabilities */
4238/* uses enum ieee80211_min_mpdu_spacing values */
4239#define IEEE80211_HE_6GHZ_CAP_MIN_MPDU_START 0x0007
4240/* uses enum ieee80211_vht_max_ampdu_length_exp values */
4241#define IEEE80211_HE_6GHZ_CAP_MAX_AMPDU_LEN_EXP 0x0038
4242/* uses IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_* values */
4243#define IEEE80211_HE_6GHZ_CAP_MAX_MPDU_LEN 0x00c0
4244/* WLAN_HT_CAP_SM_PS_* values */
4245#define IEEE80211_HE_6GHZ_CAP_SM_PS 0x0600
4246#define IEEE80211_HE_6GHZ_CAP_RD_RESPONDER 0x0800
4247#define IEEE80211_HE_6GHZ_CAP_RX_ANTPAT_CONS 0x1000
4248#define IEEE80211_HE_6GHZ_CAP_TX_ANTPAT_CONS 0x2000
4249
4250/**
4251 * ieee80211_get_qos_ctl - get pointer to qos control bytes
4252 * @hdr: the frame
4253 *
4254 * The qos ctrl bytes come after the frame_control, duration, seq_num
4255 * and 3 or 4 addresses of length ETH_ALEN. Checks frame_control to choose
4256 * between struct ieee80211_qos_hdr_4addr and struct ieee80211_qos_hdr.
4257 */
4258static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
4259{
4260 union {
4261 struct ieee80211_qos_hdr addr3;
4262 struct ieee80211_qos_hdr_4addr addr4;
4263 } *qos;
4264
4265 qos = (void *)hdr;
4266 if (ieee80211_has_a4(fc: qos->addr3.frame_control))
4267 return (u8 *)&qos->addr4.qos_ctrl;
4268 else
4269 return (u8 *)&qos->addr3.qos_ctrl;
4270}
4271
4272/**
4273 * ieee80211_get_tid - get qos TID
4274 * @hdr: the frame
4275 */
4276static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
4277{
4278 u8 *qc = ieee80211_get_qos_ctl(hdr);
4279
4280 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
4281}
4282
4283/**
4284 * ieee80211_get_SA - get pointer to SA
4285 * @hdr: the frame
4286 *
4287 * Given an 802.11 frame, this function returns the offset
4288 * to the source address (SA). It does not verify that the
4289 * header is long enough to contain the address, and the
4290 * header must be long enough to contain the frame control
4291 * field.
4292 */
4293static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
4294{
4295 if (ieee80211_has_a4(fc: hdr->frame_control))
4296 return hdr->addr4;
4297 if (ieee80211_has_fromds(fc: hdr->frame_control))
4298 return hdr->addr3;
4299 return hdr->addr2;
4300}
4301
4302/**
4303 * ieee80211_get_DA - get pointer to DA
4304 * @hdr: the frame
4305 *
4306 * Given an 802.11 frame, this function returns the offset
4307 * to the destination address (DA). It does not verify that
4308 * the header is long enough to contain the address, and the
4309 * header must be long enough to contain the frame control
4310 * field.
4311 */
4312static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
4313{
4314 if (ieee80211_has_tods(fc: hdr->frame_control))
4315 return hdr->addr3;
4316 else
4317 return hdr->addr1;
4318}
4319
4320/**
4321 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
4322 * @skb: the skb to check, starting with the 802.11 header
4323 */
4324static inline bool ieee80211_is_bufferable_mmpdu(struct sk_buff *skb)
4325{
4326 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4327 __le16 fc = mgmt->frame_control;
4328
4329 /*
4330 * IEEE 802.11 REVme D2.0 definition of bufferable MMPDU;
4331 * note that this ignores the IBSS special case.
4332 */
4333 if (!ieee80211_is_mgmt(fc))
4334 return false;
4335
4336 if (ieee80211_is_disassoc(fc) || ieee80211_is_deauth(fc))
4337 return true;
4338
4339 if (!ieee80211_is_action(fc))
4340 return false;
4341
4342 if (skb->len < offsetofend(typeof(*mgmt), u.action.u.ftm.action_code))
4343 return true;
4344
4345 /* action frame - additionally check for non-bufferable FTM */
4346
4347 if (mgmt->u.action.category != WLAN_CATEGORY_PUBLIC &&
4348 mgmt->u.action.category != WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION)
4349 return true;
4350
4351 if (mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_REQUEST ||
4352 mgmt->u.action.u.ftm.action_code == WLAN_PUB_ACTION_FTM_RESPONSE)
4353 return false;
4354
4355 return true;
4356}
4357
4358/**
4359 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
4360 * @hdr: the frame (buffer must include at least the first octet of payload)
4361 */
4362static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
4363{
4364 if (ieee80211_is_disassoc(fc: hdr->frame_control) ||
4365 ieee80211_is_deauth(fc: hdr->frame_control))
4366 return true;
4367
4368 if (ieee80211_is_action(fc: hdr->frame_control)) {
4369 u8 *category;
4370
4371 /*
4372 * Action frames, excluding Public Action frames, are Robust
4373 * Management Frames. However, if we are looking at a Protected
4374 * frame, skip the check since the data may be encrypted and
4375 * the frame has already been found to be a Robust Management
4376 * Frame (by the other end).
4377 */
4378 if (ieee80211_has_protected(fc: hdr->frame_control))
4379 return true;
4380 category = ((u8 *) hdr) + 24;
4381 return *category != WLAN_CATEGORY_PUBLIC &&
4382 *category != WLAN_CATEGORY_HT &&
4383 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
4384 *category != WLAN_CATEGORY_SELF_PROTECTED &&
4385 *category != WLAN_CATEGORY_UNPROT_DMG &&
4386 *category != WLAN_CATEGORY_VHT &&
4387 *category != WLAN_CATEGORY_S1G &&
4388 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
4389 }
4390
4391 return false;
4392}
4393
4394/**
4395 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
4396 * @skb: the skb containing the frame, length will be checked
4397 */
4398static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
4399{
4400 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4401 return false;
4402 return _ieee80211_is_robust_mgmt_frame(hdr: (void *)skb->data);
4403}
4404
4405/**
4406 * ieee80211_is_public_action - check if frame is a public action frame
4407 * @hdr: the frame
4408 * @len: length of the frame
4409 */
4410static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
4411 size_t len)
4412{
4413 struct ieee80211_mgmt *mgmt = (void *)hdr;
4414
4415 if (len < IEEE80211_MIN_ACTION_SIZE)
4416 return false;
4417 if (!ieee80211_is_action(fc: hdr->frame_control))
4418 return false;
4419 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
4420}
4421
4422/**
4423 * ieee80211_is_protected_dual_of_public_action - check if skb contains a
4424 * protected dual of public action management frame
4425 * @skb: the skb containing the frame, length will be checked
4426 *
4427 * Return: true if the skb contains a protected dual of public action
4428 * management frame, false otherwise.
4429 */
4430static inline bool
4431ieee80211_is_protected_dual_of_public_action(struct sk_buff *skb)
4432{
4433 u8 action;
4434
4435 if (!ieee80211_is_public_action(hdr: (void *)skb->data, len: skb->len) ||
4436 skb->len < IEEE80211_MIN_ACTION_SIZE + 1)
4437 return false;
4438
4439 action = *(u8 *)(skb->data + IEEE80211_MIN_ACTION_SIZE);
4440
4441 return action != WLAN_PUB_ACTION_20_40_BSS_COEX &&
4442 action != WLAN_PUB_ACTION_DSE_REG_LOC_ANN &&
4443 action != WLAN_PUB_ACTION_MSMT_PILOT &&
4444 action != WLAN_PUB_ACTION_TDLS_DISCOVER_RES &&
4445 action != WLAN_PUB_ACTION_LOC_TRACK_NOTI &&
4446 action != WLAN_PUB_ACTION_FTM_REQUEST &&
4447 action != WLAN_PUB_ACTION_FTM_RESPONSE &&
4448 action != WLAN_PUB_ACTION_FILS_DISCOVERY;
4449}
4450
4451/**
4452 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
4453 * privacy action frame
4454 * @hdr: the frame
4455 */
4456static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
4457{
4458 struct ieee80211_mgmt *mgmt = (void *)hdr;
4459
4460 if (!ieee80211_is_action(fc: hdr->frame_control) ||
4461 !is_multicast_ether_addr(addr: hdr->addr1))
4462 return false;
4463
4464 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
4465 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
4466}
4467
4468/**
4469 * ieee80211_is_group_privacy_action - check if frame is a group addressed
4470 * privacy action frame
4471 * @skb: the skb containing the frame, length will be checked
4472 */
4473static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
4474{
4475 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4476 return false;
4477 return _ieee80211_is_group_privacy_action(hdr: (void *)skb->data);
4478}
4479
4480/**
4481 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
4482 * @tu: the TUs
4483 */
4484static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
4485{
4486 return 1024 * tu;
4487}
4488
4489/**
4490 * ieee80211_check_tim - check if AID bit is set in TIM
4491 * @tim: the TIM IE
4492 * @tim_len: length of the TIM IE
4493 * @aid: the AID to look for
4494 */
4495static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
4496 u8 tim_len, u16 aid)
4497{
4498 u8 mask;
4499 u8 index, indexn1, indexn2;
4500
4501 if (unlikely(!tim || tim_len < sizeof(*tim)))
4502 return false;
4503
4504 aid &= 0x3fff;
4505 index = aid / 8;
4506 mask = 1 << (aid & 7);
4507
4508 indexn1 = tim->bitmap_ctrl & 0xfe;
4509 indexn2 = tim_len + indexn1 - 4;
4510
4511 if (index < indexn1 || index > indexn2)
4512 return false;
4513
4514 index -= indexn1;
4515
4516 return !!(tim->virtual_map[index] & mask);
4517}
4518
4519/**
4520 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
4521 * @skb: the skb containing the frame, length will not be checked
4522 *
4523 * This function assumes the frame is a data frame, and that the network header
4524 * is in the correct place.
4525 */
4526static inline int ieee80211_get_tdls_action(struct sk_buff *skb)
4527{
4528 if (!skb_is_nonlinear(skb) &&
4529 skb->len > (skb_network_offset(skb) + 2)) {
4530 /* Point to where the indication of TDLS should start */
4531 const u8 *tdls_data = skb_network_header(skb) - 2;
4532
4533 if (get_unaligned_be16(p: tdls_data) == ETH_P_TDLS &&
4534 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
4535 tdls_data[3] == WLAN_CATEGORY_TDLS)
4536 return tdls_data[4];
4537 }
4538
4539 return -1;
4540}
4541
4542/* convert time units */
4543#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
4544#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
4545
4546/* convert frequencies */
4547#define MHZ_TO_KHZ(freq) ((freq) * 1000)
4548#define KHZ_TO_MHZ(freq) ((freq) / 1000)
4549#define PR_KHZ(f) KHZ_TO_MHZ(f), f % 1000
4550#define KHZ_F "%d.%03d"
4551
4552/* convert powers */
4553#define DBI_TO_MBI(gain) ((gain) * 100)
4554#define MBI_TO_DBI(gain) ((gain) / 100)
4555#define DBM_TO_MBM(gain) ((gain) * 100)
4556#define MBM_TO_DBM(gain) ((gain) / 100)
4557
4558/**
4559 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
4560 * @skb: the skb containing the frame, length will be checked
4561 *
4562 * This function checks if it's either TPC report action frame or Link
4563 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
4564 * and 8.5.7.5 accordingly.
4565 */
4566static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
4567{
4568 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4569
4570 if (!ieee80211_is_action(fc: mgmt->frame_control))
4571 return false;
4572
4573 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
4574 sizeof(mgmt->u.action.u.tpc_report))
4575 return false;
4576
4577 /*
4578 * TPC report - check that:
4579 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
4580 * spectrum management action = 3 (TPC/Link Measurement report)
4581 * TPC report EID = 35
4582 * TPC report element length = 2
4583 *
4584 * The spectrum management's tpc_report struct is used here both for
4585 * parsing tpc_report and radio measurement's link measurement report
4586 * frame, since the relevant part is identical in both frames.
4587 */
4588 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
4589 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
4590 return false;
4591
4592 /* both spectrum mgmt and link measurement have same action code */
4593 if (mgmt->u.action.u.tpc_report.action_code !=
4594 WLAN_ACTION_SPCT_TPC_RPRT)
4595 return false;
4596
4597 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
4598 mgmt->u.action.u.tpc_report.tpc_elem_length !=
4599 sizeof(struct ieee80211_tpc_report_ie))
4600 return false;
4601
4602 return true;
4603}
4604
4605static inline bool ieee80211_is_timing_measurement(struct sk_buff *skb)
4606{
4607 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4608
4609 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
4610 return false;
4611
4612 if (!ieee80211_is_action(fc: mgmt->frame_control))
4613 return false;
4614
4615 if (mgmt->u.action.category == WLAN_CATEGORY_WNM_UNPROTECTED &&
4616 mgmt->u.action.u.wnm_timing_msr.action_code ==
4617 WLAN_UNPROTECTED_WNM_ACTION_TIMING_MEASUREMENT_RESPONSE &&
4618 skb->len >= offsetofend(typeof(*mgmt), u.action.u.wnm_timing_msr))
4619 return true;
4620
4621 return false;
4622}
4623
4624static inline bool ieee80211_is_ftm(struct sk_buff *skb)
4625{
4626 struct ieee80211_mgmt *mgmt = (void *)skb->data;
4627
4628 if (!ieee80211_is_public_action(hdr: (void *)mgmt, len: skb->len))
4629 return false;
4630
4631 if (mgmt->u.action.u.ftm.action_code ==
4632 WLAN_PUB_ACTION_FTM_RESPONSE &&
4633 skb->len >= offsetofend(typeof(*mgmt), u.action.u.ftm))
4634 return true;
4635
4636 return false;
4637}
4638
4639struct element {
4640 u8 id;
4641 u8 datalen;
4642 u8 data[];
4643} __packed;
4644
4645/* element iteration helpers */
4646#define for_each_element(_elem, _data, _datalen) \
4647 for (_elem = (const struct element *)(_data); \
4648 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4649 (int)sizeof(*_elem) && \
4650 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
4651 (int)sizeof(*_elem) + _elem->datalen; \
4652 _elem = (const struct element *)(_elem->data + _elem->datalen))
4653
4654#define for_each_element_id(element, _id, data, datalen) \
4655 for_each_element(element, data, datalen) \
4656 if (element->id == (_id))
4657
4658#define for_each_element_extid(element, extid, _data, _datalen) \
4659 for_each_element(element, _data, _datalen) \
4660 if (element->id == WLAN_EID_EXTENSION && \
4661 element->datalen > 0 && \
4662 element->data[0] == (extid))
4663
4664#define for_each_subelement(sub, element) \
4665 for_each_element(sub, (element)->data, (element)->datalen)
4666
4667#define for_each_subelement_id(sub, id, element) \
4668 for_each_element_id(sub, id, (element)->data, (element)->datalen)
4669
4670#define for_each_subelement_extid(sub, extid, element) \
4671 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
4672
4673/**
4674 * for_each_element_completed - determine if element parsing consumed all data
4675 * @element: element pointer after for_each_element() or friends
4676 * @data: same data pointer as passed to for_each_element() or friends
4677 * @datalen: same data length as passed to for_each_element() or friends
4678 *
4679 * This function returns %true if all the data was parsed or considered
4680 * while walking the elements. Only use this if your for_each_element()
4681 * loop cannot be broken out of, otherwise it always returns %false.
4682 *
4683 * If some data was malformed, this returns %false since the last parsed
4684 * element will not fill the whole remaining data.
4685 */
4686static inline bool for_each_element_completed(const struct element *element,
4687 const void *data, size_t datalen)
4688{
4689 return (const u8 *)element == (const u8 *)data + datalen;
4690}
4691
4692/*
4693 * RSNX Capabilities:
4694 * bits 0-3: Field length (n-1)
4695 */
4696#define WLAN_RSNX_CAPA_PROTECTED_TWT BIT(4)
4697#define WLAN_RSNX_CAPA_SAE_H2E BIT(5)
4698
4699/*
4700 * reduced neighbor report, based on Draft P802.11ax_D6.1,
4701 * section 9.4.2.170 and accepted contributions.
4702 */
4703#define IEEE80211_AP_INFO_TBTT_HDR_TYPE 0x03
4704#define IEEE80211_AP_INFO_TBTT_HDR_FILTERED 0x04
4705#define IEEE80211_AP_INFO_TBTT_HDR_COLOC 0x08
4706#define IEEE80211_AP_INFO_TBTT_HDR_COUNT 0xF0
4707#define IEEE80211_TBTT_INFO_TYPE_TBTT 0
4708#define IEEE80211_TBTT_INFO_TYPE_MLD 1
4709
4710#define IEEE80211_RNR_TBTT_PARAMS_OCT_RECOMMENDED 0x01
4711#define IEEE80211_RNR_TBTT_PARAMS_SAME_SSID 0x02
4712#define IEEE80211_RNR_TBTT_PARAMS_MULTI_BSSID 0x04
4713#define IEEE80211_RNR_TBTT_PARAMS_TRANSMITTED_BSSID 0x08
4714#define IEEE80211_RNR_TBTT_PARAMS_COLOC_ESS 0x10
4715#define IEEE80211_RNR_TBTT_PARAMS_PROBE_ACTIVE 0x20
4716#define IEEE80211_RNR_TBTT_PARAMS_COLOC_AP 0x40
4717
4718#define IEEE80211_RNR_TBTT_PARAMS_PSD_NO_LIMIT 127
4719#define IEEE80211_RNR_TBTT_PARAMS_PSD_RESERVED -128
4720
4721struct ieee80211_neighbor_ap_info {
4722 u8 tbtt_info_hdr;
4723 u8 tbtt_info_len;
4724 u8 op_class;
4725 u8 channel;
4726} __packed;
4727
4728enum ieee80211_range_params_max_total_ltf {
4729 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_4 = 0,
4730 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_8,
4731 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_16,
4732 IEEE80211_RANGE_PARAMS_MAX_TOTAL_LTF_UNSPECIFIED,
4733};
4734
4735/*
4736 * reduced neighbor report, based on Draft P802.11be_D3.0,
4737 * section 9.4.2.170.2.
4738 */
4739struct ieee80211_rnr_mld_params {
4740 u8 mld_id;
4741 __le16 params;
4742} __packed;
4743
4744#define IEEE80211_RNR_MLD_PARAMS_LINK_ID 0x000F
4745#define IEEE80211_RNR_MLD_PARAMS_BSS_CHANGE_COUNT 0x0FF0
4746#define IEEE80211_RNR_MLD_PARAMS_UPDATES_INCLUDED 0x1000
4747#define IEEE80211_RNR_MLD_PARAMS_DISABLED_LINK 0x2000
4748
4749/* Format of the TBTT information element if it has 7, 8 or 9 bytes */
4750struct ieee80211_tbtt_info_7_8_9 {
4751 u8 tbtt_offset;
4752 u8 bssid[ETH_ALEN];
4753
4754 /* The following element is optional, structure may not grow */
4755 u8 bss_params;
4756 s8 psd_20;
4757} __packed;
4758
4759/* Format of the TBTT information element if it has >= 11 bytes */
4760struct ieee80211_tbtt_info_ge_11 {
4761 u8 tbtt_offset;
4762 u8 bssid[ETH_ALEN];
4763 __le32 short_ssid;
4764
4765 /* The following elements are optional, structure may grow */
4766 u8 bss_params;
4767 s8 psd_20;
4768 struct ieee80211_rnr_mld_params mld_params;
4769} __packed;
4770
4771/* multi-link device */
4772#define IEEE80211_MLD_MAX_NUM_LINKS 15
4773
4774#define IEEE80211_ML_CONTROL_TYPE 0x0007
4775#define IEEE80211_ML_CONTROL_TYPE_BASIC 0
4776#define IEEE80211_ML_CONTROL_TYPE_PREQ 1
4777#define IEEE80211_ML_CONTROL_TYPE_RECONF 2
4778#define IEEE80211_ML_CONTROL_TYPE_TDLS 3
4779#define IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS 4
4780#define IEEE80211_ML_CONTROL_PRESENCE_MASK 0xfff0
4781
4782struct ieee80211_multi_link_elem {
4783 __le16 control;
4784 u8 variable[];
4785} __packed;
4786
4787#define IEEE80211_MLC_BASIC_PRES_LINK_ID 0x0010
4788#define IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT 0x0020
4789#define IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY 0x0040
4790#define IEEE80211_MLC_BASIC_PRES_EML_CAPA 0x0080
4791#define IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP 0x0100
4792#define IEEE80211_MLC_BASIC_PRES_MLD_ID 0x0200
4793
4794#define IEEE80211_MED_SYNC_DELAY_DURATION 0x00ff
4795#define IEEE80211_MED_SYNC_DELAY_SYNC_OFDM_ED_THRESH 0x0f00
4796#define IEEE80211_MED_SYNC_DELAY_SYNC_MAX_NUM_TXOPS 0xf000
4797
4798/*
4799 * Described in P802.11be_D3.0
4800 * dot11MSDTimerDuration should default to 5484 (i.e. 171.375)
4801 * dot11MSDOFDMEDthreshold defaults to -72 (i.e. 0)
4802 * dot11MSDTXOPMAX defaults to 1
4803 */
4804#define IEEE80211_MED_SYNC_DELAY_DEFAULT 0x10ac
4805
4806#define IEEE80211_EML_CAP_EMLSR_SUPP 0x0001
4807#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY 0x000e
4808#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_0US 0
4809#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_32US 1
4810#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_64US 2
4811#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_128US 3
4812#define IEEE80211_EML_CAP_EMLSR_PADDING_DELAY_256US 4
4813#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY 0x0070
4814#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_0US 0
4815#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_16US 1
4816#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_32US 2
4817#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_64US 3
4818#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_128US 4
4819#define IEEE80211_EML_CAP_EMLSR_TRANSITION_DELAY_256US 5
4820#define IEEE80211_EML_CAP_EMLMR_SUPPORT 0x0080
4821#define IEEE80211_EML_CAP_EMLMR_DELAY 0x0700
4822#define IEEE80211_EML_CAP_EMLMR_DELAY_0US 0
4823#define IEEE80211_EML_CAP_EMLMR_DELAY_32US 1
4824#define IEEE80211_EML_CAP_EMLMR_DELAY_64US 2
4825#define IEEE80211_EML_CAP_EMLMR_DELAY_128US 3
4826#define IEEE80211_EML_CAP_EMLMR_DELAY_256US 4
4827#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT 0x7800
4828#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_0 0
4829#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128US 1
4830#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_256US 2
4831#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_512US 3
4832#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_1TU 4
4833#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_2TU 5
4834#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_4TU 6
4835#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_8TU 7
4836#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_16TU 8
4837#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_32TU 9
4838#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_64TU 10
4839#define IEEE80211_EML_CAP_TRANSITION_TIMEOUT_128TU 11
4840
4841#define IEEE80211_MLD_CAP_OP_MAX_SIMUL_LINKS 0x000f
4842#define IEEE80211_MLD_CAP_OP_SRS_SUPPORT 0x0010
4843#define IEEE80211_MLD_CAP_OP_TID_TO_LINK_MAP_NEG_SUPP 0x0060
4844#define IEEE80211_MLD_CAP_OP_FREQ_SEP_TYPE_IND 0x0f80
4845#define IEEE80211_MLD_CAP_OP_AAR_SUPPORT 0x1000
4846
4847struct ieee80211_mle_basic_common_info {
4848 u8 len;
4849 u8 mld_mac_addr[ETH_ALEN];
4850 u8 variable[];
4851} __packed;
4852
4853#define IEEE80211_MLC_PREQ_PRES_MLD_ID 0x0010
4854
4855struct ieee80211_mle_preq_common_info {
4856 u8 len;
4857 u8 variable[];
4858} __packed;
4859
4860#define IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR 0x0010
4861
4862/* no fixed fields in RECONF */
4863
4864struct ieee80211_mle_tdls_common_info {
4865 u8 len;
4866 u8 ap_mld_mac_addr[ETH_ALEN];
4867} __packed;
4868
4869#define IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR 0x0010
4870
4871/* no fixed fields in PRIO_ACCESS */
4872
4873/**
4874 * ieee80211_mle_common_size - check multi-link element common size
4875 * @data: multi-link element, must already be checked for size using
4876 * ieee80211_mle_size_ok()
4877 */
4878static inline u8 ieee80211_mle_common_size(const u8 *data)
4879{
4880 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4881 u16 control = le16_to_cpu(mle->control);
4882 u8 common = 0;
4883
4884 switch (u16_get_bits(v: control, IEEE80211_ML_CONTROL_TYPE)) {
4885 case IEEE80211_ML_CONTROL_TYPE_BASIC:
4886 case IEEE80211_ML_CONTROL_TYPE_PREQ:
4887 case IEEE80211_ML_CONTROL_TYPE_TDLS:
4888 case IEEE80211_ML_CONTROL_TYPE_RECONF:
4889 /*
4890 * The length is the first octet pointed by mle->variable so no
4891 * need to add anything
4892 */
4893 break;
4894 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
4895 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
4896 common += ETH_ALEN;
4897 return common;
4898 default:
4899 WARN_ON(1);
4900 return 0;
4901 }
4902
4903 return sizeof(*mle) + common + mle->variable[0];
4904}
4905
4906/**
4907 * ieee80211_mle_get_bss_param_ch_cnt - returns the BSS parameter change count
4908 * @mle: the basic multi link element
4909 *
4910 * The element is assumed to be of the correct type (BASIC) and big enough,
4911 * this must be checked using ieee80211_mle_type_ok().
4912 *
4913 * If the BSS parameter change count value can't be found (the presence bit
4914 * for it is clear), 0 will be returned.
4915 */
4916static inline u8
4917ieee80211_mle_get_bss_param_ch_cnt(const struct ieee80211_multi_link_elem *mle)
4918{
4919 u16 control = le16_to_cpu(mle->control);
4920 const u8 *common = mle->variable;
4921
4922 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4923 common += sizeof(struct ieee80211_mle_basic_common_info);
4924
4925 if (!(control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT))
4926 return 0;
4927
4928 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4929 common += 1;
4930
4931 return *common;
4932}
4933
4934/**
4935 * ieee80211_mle_get_eml_med_sync_delay - returns the medium sync delay
4936 * @data: pointer to the multi link EHT IE
4937 *
4938 * The element is assumed to be of the correct type (BASIC) and big enough,
4939 * this must be checked using ieee80211_mle_type_ok().
4940 *
4941 * If the medium synchronization is not present, then the default value is
4942 * returned.
4943 */
4944static inline u16 ieee80211_mle_get_eml_med_sync_delay(const u8 *data)
4945{
4946 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4947 u16 control = le16_to_cpu(mle->control);
4948 const u8 *common = mle->variable;
4949
4950 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4951 common += sizeof(struct ieee80211_mle_basic_common_info);
4952
4953 if (!(control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY))
4954 return IEEE80211_MED_SYNC_DELAY_DEFAULT;
4955
4956 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4957 common += 1;
4958 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4959 common += 1;
4960
4961 return get_unaligned_le16(p: common);
4962}
4963
4964/**
4965 * ieee80211_mle_get_eml_cap - returns the EML capability
4966 * @data: pointer to the multi link EHT IE
4967 *
4968 * The element is assumed to be of the correct type (BASIC) and big enough,
4969 * this must be checked using ieee80211_mle_type_ok().
4970 *
4971 * If the EML capability is not present, 0 will be returned.
4972 */
4973static inline u16 ieee80211_mle_get_eml_cap(const u8 *data)
4974{
4975 const struct ieee80211_multi_link_elem *mle = (const void *)data;
4976 u16 control = le16_to_cpu(mle->control);
4977 const u8 *common = mle->variable;
4978
4979 /* common points now at the beginning of ieee80211_mle_basic_common_info */
4980 common += sizeof(struct ieee80211_mle_basic_common_info);
4981
4982 if (!(control & IEEE80211_MLC_BASIC_PRES_EML_CAPA))
4983 return 0;
4984
4985 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
4986 common += 1;
4987 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
4988 common += 1;
4989 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
4990 common += 2;
4991
4992 return get_unaligned_le16(p: common);
4993}
4994
4995/**
4996 * ieee80211_mle_size_ok - validate multi-link element size
4997 * @data: pointer to the element data
4998 * @len: length of the containing element
4999 */
5000static inline bool ieee80211_mle_size_ok(const u8 *data, size_t len)
5001{
5002 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5003 u8 fixed = sizeof(*mle);
5004 u8 common = 0;
5005 bool check_common_len = false;
5006 u16 control;
5007
5008 if (len < fixed)
5009 return false;
5010
5011 control = le16_to_cpu(mle->control);
5012
5013 switch (u16_get_bits(v: control, IEEE80211_ML_CONTROL_TYPE)) {
5014 case IEEE80211_ML_CONTROL_TYPE_BASIC:
5015 common += sizeof(struct ieee80211_mle_basic_common_info);
5016 check_common_len = true;
5017 if (control & IEEE80211_MLC_BASIC_PRES_LINK_ID)
5018 common += 1;
5019 if (control & IEEE80211_MLC_BASIC_PRES_BSS_PARAM_CH_CNT)
5020 common += 1;
5021 if (control & IEEE80211_MLC_BASIC_PRES_MED_SYNC_DELAY)
5022 common += 2;
5023 if (control & IEEE80211_MLC_BASIC_PRES_EML_CAPA)
5024 common += 2;
5025 if (control & IEEE80211_MLC_BASIC_PRES_MLD_CAPA_OP)
5026 common += 2;
5027 if (control & IEEE80211_MLC_BASIC_PRES_MLD_ID)
5028 common += 1;
5029 break;
5030 case IEEE80211_ML_CONTROL_TYPE_PREQ:
5031 common += sizeof(struct ieee80211_mle_preq_common_info);
5032 if (control & IEEE80211_MLC_PREQ_PRES_MLD_ID)
5033 common += 1;
5034 check_common_len = true;
5035 break;
5036 case IEEE80211_ML_CONTROL_TYPE_RECONF:
5037 if (control & IEEE80211_MLC_RECONF_PRES_MLD_MAC_ADDR)
5038 common += ETH_ALEN;
5039 break;
5040 case IEEE80211_ML_CONTROL_TYPE_TDLS:
5041 common += sizeof(struct ieee80211_mle_tdls_common_info);
5042 check_common_len = true;
5043 break;
5044 case IEEE80211_ML_CONTROL_TYPE_PRIO_ACCESS:
5045 if (control & IEEE80211_MLC_PRIO_ACCESS_PRES_AP_MLD_MAC_ADDR)
5046 common += ETH_ALEN;
5047 break;
5048 default:
5049 /* we don't know this type */
5050 return true;
5051 }
5052
5053 if (len < fixed + common)
5054 return false;
5055
5056 if (!check_common_len)
5057 return true;
5058
5059 /* if present, common length is the first octet there */
5060 return mle->variable[0] >= common;
5061}
5062
5063/**
5064 * ieee80211_mle_type_ok - validate multi-link element type and size
5065 * @data: pointer to the element data
5066 * @type: expected type of the element
5067 * @len: length of the containing element
5068 */
5069static inline bool ieee80211_mle_type_ok(const u8 *data, u8 type, size_t len)
5070{
5071 const struct ieee80211_multi_link_elem *mle = (const void *)data;
5072 u16 control;
5073
5074 if (!ieee80211_mle_size_ok(data, len))
5075 return false;
5076
5077 control = le16_to_cpu(mle->control);
5078
5079 if (u16_get_bits(v: control, IEEE80211_ML_CONTROL_TYPE) == type)
5080 return true;
5081
5082 return false;
5083}
5084
5085enum ieee80211_mle_subelems {
5086 IEEE80211_MLE_SUBELEM_PER_STA_PROFILE = 0,
5087 IEEE80211_MLE_SUBELEM_FRAGMENT = 254,
5088};
5089
5090#define IEEE80211_MLE_STA_CONTROL_LINK_ID 0x000f
5091#define IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE 0x0010
5092#define IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5093#define IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT 0x0040
5094#define IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT 0x0080
5095#define IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT 0x0100
5096#define IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT 0x0200
5097#define IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE 0x0400
5098#define IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT 0x0800
5099
5100struct ieee80211_mle_per_sta_profile {
5101 __le16 control;
5102 u8 sta_info_len;
5103 u8 variable[];
5104} __packed;
5105
5106/**
5107 * ieee80211_mle_basic_sta_prof_size_ok - validate basic multi-link element sta
5108 * profile size
5109 * @data: pointer to the sub element data
5110 * @len: length of the containing sub element
5111 */
5112static inline bool ieee80211_mle_basic_sta_prof_size_ok(const u8 *data,
5113 size_t len)
5114{
5115 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5116 u16 control;
5117 u8 fixed = sizeof(*prof);
5118 u8 info_len = 1;
5119
5120 if (len < fixed)
5121 return false;
5122
5123 control = le16_to_cpu(prof->control);
5124
5125 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5126 info_len += 6;
5127 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5128 info_len += 2;
5129 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5130 info_len += 8;
5131 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5132 info_len += 2;
5133 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5134 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5135 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5136 info_len += 2;
5137 else
5138 info_len += 1;
5139 }
5140 if (control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT)
5141 info_len += 1;
5142
5143 return prof->sta_info_len >= info_len &&
5144 fixed + prof->sta_info_len <= len;
5145}
5146
5147/**
5148 * ieee80211_mle_basic_sta_prof_bss_param_ch_cnt - get per-STA profile BSS
5149 * parameter change count
5150 * @prof: the per-STA profile, having been checked with
5151 * ieee80211_mle_basic_sta_prof_size_ok() for the correct length
5152 *
5153 * Return: The BSS parameter change count value if present, 0 otherwise.
5154 */
5155static inline u8
5156ieee80211_mle_basic_sta_prof_bss_param_ch_cnt(const struct ieee80211_mle_per_sta_profile *prof)
5157{
5158 u16 control = le16_to_cpu(prof->control);
5159 const u8 *pos = prof->variable;
5160
5161 if (!(control & IEEE80211_MLE_STA_CONTROL_BSS_PARAM_CHANGE_CNT_PRESENT))
5162 return 0;
5163
5164 if (control & IEEE80211_MLE_STA_CONTROL_STA_MAC_ADDR_PRESENT)
5165 pos += 6;
5166 if (control & IEEE80211_MLE_STA_CONTROL_BEACON_INT_PRESENT)
5167 pos += 2;
5168 if (control & IEEE80211_MLE_STA_CONTROL_TSF_OFFS_PRESENT)
5169 pos += 8;
5170 if (control & IEEE80211_MLE_STA_CONTROL_DTIM_INFO_PRESENT)
5171 pos += 2;
5172 if (control & IEEE80211_MLE_STA_CONTROL_COMPLETE_PROFILE &&
5173 control & IEEE80211_MLE_STA_CONTROL_NSTR_LINK_PAIR_PRESENT) {
5174 if (control & IEEE80211_MLE_STA_CONTROL_NSTR_BITMAP_SIZE)
5175 pos += 2;
5176 else
5177 pos += 1;
5178 }
5179
5180 return *pos;
5181}
5182
5183#define IEEE80211_MLE_STA_RECONF_CONTROL_LINK_ID 0x000f
5184#define IEEE80211_MLE_STA_RECONF_CONTROL_COMPLETE_PROFILE 0x0010
5185#define IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT 0x0020
5186#define IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT 0x0040
5187#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_UPDATE_TYPE 0x0780
5188#define IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT 0x0800
5189
5190/**
5191 * ieee80211_mle_reconf_sta_prof_size_ok - validate reconfiguration multi-link
5192 * element sta profile size.
5193 * @data: pointer to the sub element data
5194 * @len: length of the containing sub element
5195 */
5196static inline bool ieee80211_mle_reconf_sta_prof_size_ok(const u8 *data,
5197 size_t len)
5198{
5199 const struct ieee80211_mle_per_sta_profile *prof = (const void *)data;
5200 u16 control;
5201 u8 fixed = sizeof(*prof);
5202 u8 info_len = 1;
5203
5204 if (len < fixed)
5205 return false;
5206
5207 control = le16_to_cpu(prof->control);
5208
5209 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_STA_MAC_ADDR_PRESENT)
5210 info_len += ETH_ALEN;
5211 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_AP_REM_TIMER_PRESENT)
5212 info_len += 2;
5213 if (control & IEEE80211_MLE_STA_RECONF_CONTROL_OPERATION_PARAMS_PRESENT)
5214 info_len += 2;
5215
5216 return prof->sta_info_len >= info_len &&
5217 fixed + prof->sta_info_len - 1 <= len;
5218}
5219
5220static inline bool ieee80211_tid_to_link_map_size_ok(const u8 *data, size_t len)
5221{
5222 const struct ieee80211_ttlm_elem *t2l = (const void *)data;
5223 u8 control, fixed = sizeof(*t2l), elem_len = 0;
5224
5225 if (len < fixed)
5226 return false;
5227
5228 control = t2l->control;
5229
5230 if (control & IEEE80211_TTLM_CONTROL_SWITCH_TIME_PRESENT)
5231 elem_len += 2;
5232 if (control & IEEE80211_TTLM_CONTROL_EXPECTED_DUR_PRESENT)
5233 elem_len += 3;
5234
5235 if (!(control & IEEE80211_TTLM_CONTROL_DEF_LINK_MAP)) {
5236 u8 bm_size;
5237
5238 elem_len += 1;
5239 if (len < fixed + elem_len)
5240 return false;
5241
5242 if (control & IEEE80211_TTLM_CONTROL_LINK_MAP_SIZE)
5243 bm_size = 1;
5244 else
5245 bm_size = 2;
5246
5247 elem_len += hweight8(t2l->optional[0]) * bm_size;
5248 }
5249
5250 return len >= fixed + elem_len;
5251}
5252
5253#define for_each_mle_subelement(_elem, _data, _len) \
5254 if (ieee80211_mle_size_ok(_data, _len)) \
5255 for_each_element(_elem, \
5256 _data + ieee80211_mle_common_size(_data),\
5257 _len - ieee80211_mle_common_size(_data))
5258
5259#endif /* LINUX_IEEE80211_H */
5260

source code of linux/include/linux/ieee80211.h