1/*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
10 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
11 * Copyright (c) 2018 - 2019 Intel Corporation
12 *
13 * This program is free software; you can redistribute it and/or modify
14 * it under the terms of the GNU General Public License version 2 as
15 * published by the Free Software Foundation.
16 */
17
18#ifndef LINUX_IEEE80211_H
19#define LINUX_IEEE80211_H
20
21#include <linux/types.h>
22#include <linux/if_ether.h>
23#include <linux/etherdevice.h>
24#include <asm/byteorder.h>
25#include <asm/unaligned.h>
26
27/*
28 * DS bit usage
29 *
30 * TA = transmitter address
31 * RA = receiver address
32 * DA = destination address
33 * SA = source address
34 *
35 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
36 * -----------------------------------------------------------------
37 * 0 0 DA SA BSSID - IBSS/DLS
38 * 0 1 DA BSSID SA - AP -> STA
39 * 1 0 BSSID SA DA - AP <- STA
40 * 1 1 RA TA DA SA unspecified (WDS)
41 */
42
43#define FCS_LEN 4
44
45#define IEEE80211_FCTL_VERS 0x0003
46#define IEEE80211_FCTL_FTYPE 0x000c
47#define IEEE80211_FCTL_STYPE 0x00f0
48#define IEEE80211_FCTL_TODS 0x0100
49#define IEEE80211_FCTL_FROMDS 0x0200
50#define IEEE80211_FCTL_MOREFRAGS 0x0400
51#define IEEE80211_FCTL_RETRY 0x0800
52#define IEEE80211_FCTL_PM 0x1000
53#define IEEE80211_FCTL_MOREDATA 0x2000
54#define IEEE80211_FCTL_PROTECTED 0x4000
55#define IEEE80211_FCTL_ORDER 0x8000
56#define IEEE80211_FCTL_CTL_EXT 0x0f00
57
58#define IEEE80211_SCTL_FRAG 0x000F
59#define IEEE80211_SCTL_SEQ 0xFFF0
60
61#define IEEE80211_FTYPE_MGMT 0x0000
62#define IEEE80211_FTYPE_CTL 0x0004
63#define IEEE80211_FTYPE_DATA 0x0008
64#define IEEE80211_FTYPE_EXT 0x000c
65
66/* management */
67#define IEEE80211_STYPE_ASSOC_REQ 0x0000
68#define IEEE80211_STYPE_ASSOC_RESP 0x0010
69#define IEEE80211_STYPE_REASSOC_REQ 0x0020
70#define IEEE80211_STYPE_REASSOC_RESP 0x0030
71#define IEEE80211_STYPE_PROBE_REQ 0x0040
72#define IEEE80211_STYPE_PROBE_RESP 0x0050
73#define IEEE80211_STYPE_BEACON 0x0080
74#define IEEE80211_STYPE_ATIM 0x0090
75#define IEEE80211_STYPE_DISASSOC 0x00A0
76#define IEEE80211_STYPE_AUTH 0x00B0
77#define IEEE80211_STYPE_DEAUTH 0x00C0
78#define IEEE80211_STYPE_ACTION 0x00D0
79
80/* control */
81#define IEEE80211_STYPE_CTL_EXT 0x0060
82#define IEEE80211_STYPE_BACK_REQ 0x0080
83#define IEEE80211_STYPE_BACK 0x0090
84#define IEEE80211_STYPE_PSPOLL 0x00A0
85#define IEEE80211_STYPE_RTS 0x00B0
86#define IEEE80211_STYPE_CTS 0x00C0
87#define IEEE80211_STYPE_ACK 0x00D0
88#define IEEE80211_STYPE_CFEND 0x00E0
89#define IEEE80211_STYPE_CFENDACK 0x00F0
90
91/* data */
92#define IEEE80211_STYPE_DATA 0x0000
93#define IEEE80211_STYPE_DATA_CFACK 0x0010
94#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
95#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
96#define IEEE80211_STYPE_NULLFUNC 0x0040
97#define IEEE80211_STYPE_CFACK 0x0050
98#define IEEE80211_STYPE_CFPOLL 0x0060
99#define IEEE80211_STYPE_CFACKPOLL 0x0070
100#define IEEE80211_STYPE_QOS_DATA 0x0080
101#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
102#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
103#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
104#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
105#define IEEE80211_STYPE_QOS_CFACK 0x00D0
106#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
107#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
108
109/* extension, added by 802.11ad */
110#define IEEE80211_STYPE_DMG_BEACON 0x0000
111
112/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
113#define IEEE80211_CTL_EXT_POLL 0x2000
114#define IEEE80211_CTL_EXT_SPR 0x3000
115#define IEEE80211_CTL_EXT_GRANT 0x4000
116#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
117#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
118#define IEEE80211_CTL_EXT_SSW 0x8000
119#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
120#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
121
122
123#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
124#define IEEE80211_MAX_SN IEEE80211_SN_MASK
125#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
126
127static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
128{
129 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
130}
131
132static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
133{
134 return (sn1 + sn2) & IEEE80211_SN_MASK;
135}
136
137static inline u16 ieee80211_sn_inc(u16 sn)
138{
139 return ieee80211_sn_add(sn, 1);
140}
141
142static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
143{
144 return (sn1 - sn2) & IEEE80211_SN_MASK;
145}
146
147#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
148#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
149
150/* miscellaneous IEEE 802.11 constants */
151#define IEEE80211_MAX_FRAG_THRESHOLD 2352
152#define IEEE80211_MAX_RTS_THRESHOLD 2353
153#define IEEE80211_MAX_AID 2007
154#define IEEE80211_MAX_TIM_LEN 251
155#define IEEE80211_MAX_MESH_PEERINGS 63
156/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
157 6.2.1.1.2.
158
159 802.11e clarifies the figure in section 7.1.2. The frame body is
160 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
161#define IEEE80211_MAX_DATA_LEN 2304
162/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
163 * to 7920 bytes, see 8.2.3 General frame format
164 */
165#define IEEE80211_MAX_DATA_LEN_DMG 7920
166/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
167#define IEEE80211_MAX_FRAME_LEN 2352
168
169/* Maximal size of an A-MSDU that can be transported in a HT BA session */
170#define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
171
172/* Maximal size of an A-MSDU */
173#define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
174#define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
175
176#define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
177#define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
178#define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
179
180#define IEEE80211_MAX_SSID_LEN 32
181
182#define IEEE80211_MAX_MESH_ID_LEN 32
183
184#define IEEE80211_FIRST_TSPEC_TSID 8
185#define IEEE80211_NUM_TIDS 16
186
187/* number of user priorities 802.11 uses */
188#define IEEE80211_NUM_UPS 8
189/* number of ACs */
190#define IEEE80211_NUM_ACS 4
191
192#define IEEE80211_QOS_CTL_LEN 2
193/* 1d tag mask */
194#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
195/* TID mask */
196#define IEEE80211_QOS_CTL_TID_MASK 0x000f
197/* EOSP */
198#define IEEE80211_QOS_CTL_EOSP 0x0010
199/* ACK policy */
200#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
201#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
202#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
203#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
204#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
205/* A-MSDU 802.11n */
206#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
207/* Mesh Control 802.11s */
208#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
209
210/* Mesh Power Save Level */
211#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
212/* Mesh Receiver Service Period Initiated */
213#define IEEE80211_QOS_CTL_RSPI 0x0400
214
215/* U-APSD queue for WMM IEs sent by AP */
216#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
217#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
218
219/* U-APSD queues for WMM IEs sent by STA */
220#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
221#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
222#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
223#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
224#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
225
226/* U-APSD max SP length for WMM IEs sent by STA */
227#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
228#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
229#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
230#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
231#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
232#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
233
234#define IEEE80211_HT_CTL_LEN 4
235
236struct ieee80211_hdr {
237 __le16 frame_control;
238 __le16 duration_id;
239 u8 addr1[ETH_ALEN];
240 u8 addr2[ETH_ALEN];
241 u8 addr3[ETH_ALEN];
242 __le16 seq_ctrl;
243 u8 addr4[ETH_ALEN];
244} __packed __aligned(2);
245
246struct ieee80211_hdr_3addr {
247 __le16 frame_control;
248 __le16 duration_id;
249 u8 addr1[ETH_ALEN];
250 u8 addr2[ETH_ALEN];
251 u8 addr3[ETH_ALEN];
252 __le16 seq_ctrl;
253} __packed __aligned(2);
254
255struct ieee80211_qos_hdr {
256 __le16 frame_control;
257 __le16 duration_id;
258 u8 addr1[ETH_ALEN];
259 u8 addr2[ETH_ALEN];
260 u8 addr3[ETH_ALEN];
261 __le16 seq_ctrl;
262 __le16 qos_ctrl;
263} __packed __aligned(2);
264
265/**
266 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
267 * @fc: frame control bytes in little-endian byteorder
268 */
269static inline bool ieee80211_has_tods(__le16 fc)
270{
271 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
272}
273
274/**
275 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
276 * @fc: frame control bytes in little-endian byteorder
277 */
278static inline bool ieee80211_has_fromds(__le16 fc)
279{
280 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
281}
282
283/**
284 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
285 * @fc: frame control bytes in little-endian byteorder
286 */
287static inline bool ieee80211_has_a4(__le16 fc)
288{
289 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
290 return (fc & tmp) == tmp;
291}
292
293/**
294 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
295 * @fc: frame control bytes in little-endian byteorder
296 */
297static inline bool ieee80211_has_morefrags(__le16 fc)
298{
299 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
300}
301
302/**
303 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
304 * @fc: frame control bytes in little-endian byteorder
305 */
306static inline bool ieee80211_has_retry(__le16 fc)
307{
308 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
309}
310
311/**
312 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
313 * @fc: frame control bytes in little-endian byteorder
314 */
315static inline bool ieee80211_has_pm(__le16 fc)
316{
317 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
318}
319
320/**
321 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
322 * @fc: frame control bytes in little-endian byteorder
323 */
324static inline bool ieee80211_has_moredata(__le16 fc)
325{
326 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
327}
328
329/**
330 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
331 * @fc: frame control bytes in little-endian byteorder
332 */
333static inline bool ieee80211_has_protected(__le16 fc)
334{
335 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
336}
337
338/**
339 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
340 * @fc: frame control bytes in little-endian byteorder
341 */
342static inline bool ieee80211_has_order(__le16 fc)
343{
344 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
345}
346
347/**
348 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
349 * @fc: frame control bytes in little-endian byteorder
350 */
351static inline bool ieee80211_is_mgmt(__le16 fc)
352{
353 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
354 cpu_to_le16(IEEE80211_FTYPE_MGMT);
355}
356
357/**
358 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
359 * @fc: frame control bytes in little-endian byteorder
360 */
361static inline bool ieee80211_is_ctl(__le16 fc)
362{
363 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
364 cpu_to_le16(IEEE80211_FTYPE_CTL);
365}
366
367/**
368 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
369 * @fc: frame control bytes in little-endian byteorder
370 */
371static inline bool ieee80211_is_data(__le16 fc)
372{
373 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
374 cpu_to_le16(IEEE80211_FTYPE_DATA);
375}
376
377/**
378 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
379 * @fc: frame control bytes in little-endian byteorder
380 */
381static inline bool ieee80211_is_data_qos(__le16 fc)
382{
383 /*
384 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
385 * to check the one bit
386 */
387 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
388 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
389}
390
391/**
392 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
393 * @fc: frame control bytes in little-endian byteorder
394 */
395static inline bool ieee80211_is_data_present(__le16 fc)
396{
397 /*
398 * mask with 0x40 and test that that bit is clear to only return true
399 * for the data-containing substypes.
400 */
401 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
402 cpu_to_le16(IEEE80211_FTYPE_DATA);
403}
404
405/**
406 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
407 * @fc: frame control bytes in little-endian byteorder
408 */
409static inline bool ieee80211_is_assoc_req(__le16 fc)
410{
411 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
412 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
413}
414
415/**
416 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
417 * @fc: frame control bytes in little-endian byteorder
418 */
419static inline bool ieee80211_is_assoc_resp(__le16 fc)
420{
421 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
422 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
423}
424
425/**
426 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
427 * @fc: frame control bytes in little-endian byteorder
428 */
429static inline bool ieee80211_is_reassoc_req(__le16 fc)
430{
431 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
432 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
433}
434
435/**
436 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
437 * @fc: frame control bytes in little-endian byteorder
438 */
439static inline bool ieee80211_is_reassoc_resp(__le16 fc)
440{
441 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
442 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
443}
444
445/**
446 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
447 * @fc: frame control bytes in little-endian byteorder
448 */
449static inline bool ieee80211_is_probe_req(__le16 fc)
450{
451 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
452 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
453}
454
455/**
456 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
457 * @fc: frame control bytes in little-endian byteorder
458 */
459static inline bool ieee80211_is_probe_resp(__le16 fc)
460{
461 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
462 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
463}
464
465/**
466 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
467 * @fc: frame control bytes in little-endian byteorder
468 */
469static inline bool ieee80211_is_beacon(__le16 fc)
470{
471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
472 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
473}
474
475/**
476 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
477 * @fc: frame control bytes in little-endian byteorder
478 */
479static inline bool ieee80211_is_atim(__le16 fc)
480{
481 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
482 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
483}
484
485/**
486 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
487 * @fc: frame control bytes in little-endian byteorder
488 */
489static inline bool ieee80211_is_disassoc(__le16 fc)
490{
491 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
492 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
493}
494
495/**
496 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
497 * @fc: frame control bytes in little-endian byteorder
498 */
499static inline bool ieee80211_is_auth(__le16 fc)
500{
501 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
502 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
503}
504
505/**
506 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
507 * @fc: frame control bytes in little-endian byteorder
508 */
509static inline bool ieee80211_is_deauth(__le16 fc)
510{
511 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
512 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
513}
514
515/**
516 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
517 * @fc: frame control bytes in little-endian byteorder
518 */
519static inline bool ieee80211_is_action(__le16 fc)
520{
521 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
522 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
523}
524
525/**
526 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
527 * @fc: frame control bytes in little-endian byteorder
528 */
529static inline bool ieee80211_is_back_req(__le16 fc)
530{
531 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
532 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
533}
534
535/**
536 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
537 * @fc: frame control bytes in little-endian byteorder
538 */
539static inline bool ieee80211_is_back(__le16 fc)
540{
541 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
542 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
543}
544
545/**
546 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
547 * @fc: frame control bytes in little-endian byteorder
548 */
549static inline bool ieee80211_is_pspoll(__le16 fc)
550{
551 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
552 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
553}
554
555/**
556 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
557 * @fc: frame control bytes in little-endian byteorder
558 */
559static inline bool ieee80211_is_rts(__le16 fc)
560{
561 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
562 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
563}
564
565/**
566 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
567 * @fc: frame control bytes in little-endian byteorder
568 */
569static inline bool ieee80211_is_cts(__le16 fc)
570{
571 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
572 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
573}
574
575/**
576 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
577 * @fc: frame control bytes in little-endian byteorder
578 */
579static inline bool ieee80211_is_ack(__le16 fc)
580{
581 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
582 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
583}
584
585/**
586 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
587 * @fc: frame control bytes in little-endian byteorder
588 */
589static inline bool ieee80211_is_cfend(__le16 fc)
590{
591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
592 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
593}
594
595/**
596 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
597 * @fc: frame control bytes in little-endian byteorder
598 */
599static inline bool ieee80211_is_cfendack(__le16 fc)
600{
601 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
602 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
603}
604
605/**
606 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
607 * @fc: frame control bytes in little-endian byteorder
608 */
609static inline bool ieee80211_is_nullfunc(__le16 fc)
610{
611 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
612 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
613}
614
615/**
616 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
617 * @fc: frame control bytes in little-endian byteorder
618 */
619static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
620{
621 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
622 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
623}
624
625/**
626 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
627 * @fc: frame control field in little-endian byteorder
628 */
629static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
630{
631 /* IEEE 802.11-2012, definition of "bufferable management frame";
632 * note that this ignores the IBSS special case. */
633 return ieee80211_is_mgmt(fc) &&
634 (ieee80211_is_action(fc) ||
635 ieee80211_is_disassoc(fc) ||
636 ieee80211_is_deauth(fc));
637}
638
639/**
640 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
641 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
642 */
643static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
644{
645 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
646}
647
648/**
649 * ieee80211_is_frag - check if a frame is a fragment
650 * @hdr: 802.11 header of the frame
651 */
652static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
653{
654 return ieee80211_has_morefrags(hdr->frame_control) ||
655 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
656}
657
658struct ieee80211s_hdr {
659 u8 flags;
660 u8 ttl;
661 __le32 seqnum;
662 u8 eaddr1[ETH_ALEN];
663 u8 eaddr2[ETH_ALEN];
664} __packed __aligned(2);
665
666/* Mesh flags */
667#define MESH_FLAGS_AE_A4 0x1
668#define MESH_FLAGS_AE_A5_A6 0x2
669#define MESH_FLAGS_AE 0x3
670#define MESH_FLAGS_PS_DEEP 0x4
671
672/**
673 * enum ieee80211_preq_flags - mesh PREQ element flags
674 *
675 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
676 */
677enum ieee80211_preq_flags {
678 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
679};
680
681/**
682 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
683 *
684 * @IEEE80211_PREQ_TO_FLAG: target only subfield
685 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
686 */
687enum ieee80211_preq_target_flags {
688 IEEE80211_PREQ_TO_FLAG = 1<<0,
689 IEEE80211_PREQ_USN_FLAG = 1<<2,
690};
691
692/**
693 * struct ieee80211_quiet_ie
694 *
695 * This structure refers to "Quiet information element"
696 */
697struct ieee80211_quiet_ie {
698 u8 count;
699 u8 period;
700 __le16 duration;
701 __le16 offset;
702} __packed;
703
704/**
705 * struct ieee80211_msrment_ie
706 *
707 * This structure refers to "Measurement Request/Report information element"
708 */
709struct ieee80211_msrment_ie {
710 u8 token;
711 u8 mode;
712 u8 type;
713 u8 request[0];
714} __packed;
715
716/**
717 * struct ieee80211_channel_sw_ie
718 *
719 * This structure refers to "Channel Switch Announcement information element"
720 */
721struct ieee80211_channel_sw_ie {
722 u8 mode;
723 u8 new_ch_num;
724 u8 count;
725} __packed;
726
727/**
728 * struct ieee80211_ext_chansw_ie
729 *
730 * This structure represents the "Extended Channel Switch Announcement element"
731 */
732struct ieee80211_ext_chansw_ie {
733 u8 mode;
734 u8 new_operating_class;
735 u8 new_ch_num;
736 u8 count;
737} __packed;
738
739/**
740 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
741 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
742 * values here
743 * This structure represents the "Secondary Channel Offset element"
744 */
745struct ieee80211_sec_chan_offs_ie {
746 u8 sec_chan_offs;
747} __packed;
748
749/**
750 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
751 *
752 * This structure represents the "Mesh Channel Switch Paramters element"
753 */
754struct ieee80211_mesh_chansw_params_ie {
755 u8 mesh_ttl;
756 u8 mesh_flags;
757 __le16 mesh_reason;
758 __le16 mesh_pre_value;
759} __packed;
760
761/**
762 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
763 */
764struct ieee80211_wide_bw_chansw_ie {
765 u8 new_channel_width;
766 u8 new_center_freq_seg0, new_center_freq_seg1;
767} __packed;
768
769/**
770 * struct ieee80211_tim
771 *
772 * This structure refers to "Traffic Indication Map information element"
773 */
774struct ieee80211_tim_ie {
775 u8 dtim_count;
776 u8 dtim_period;
777 u8 bitmap_ctrl;
778 /* variable size: 1 - 251 bytes */
779 u8 virtual_map[1];
780} __packed;
781
782/**
783 * struct ieee80211_meshconf_ie
784 *
785 * This structure refers to "Mesh Configuration information element"
786 */
787struct ieee80211_meshconf_ie {
788 u8 meshconf_psel;
789 u8 meshconf_pmetric;
790 u8 meshconf_congest;
791 u8 meshconf_synch;
792 u8 meshconf_auth;
793 u8 meshconf_form;
794 u8 meshconf_cap;
795} __packed;
796
797/**
798 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
799 *
800 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
801 * additional mesh peerings with other mesh STAs
802 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
803 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
804 * is ongoing
805 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
806 * neighbors in deep sleep mode
807 */
808enum mesh_config_capab_flags {
809 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
810 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
811 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
812 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
813};
814
815#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
816
817/**
818 * mesh channel switch parameters element's flag indicator
819 *
820 */
821#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
822#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
823#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
824
825/**
826 * struct ieee80211_rann_ie
827 *
828 * This structure refers to "Root Announcement information element"
829 */
830struct ieee80211_rann_ie {
831 u8 rann_flags;
832 u8 rann_hopcount;
833 u8 rann_ttl;
834 u8 rann_addr[ETH_ALEN];
835 __le32 rann_seq;
836 __le32 rann_interval;
837 __le32 rann_metric;
838} __packed;
839
840enum ieee80211_rann_flags {
841 RANN_FLAG_IS_GATE = 1 << 0,
842};
843
844enum ieee80211_ht_chanwidth_values {
845 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
846 IEEE80211_HT_CHANWIDTH_ANY = 1,
847};
848
849/**
850 * enum ieee80211_opmode_bits - VHT operating mode field bits
851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
853 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
854 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
855 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
857 * (the NSS value is the value of this field + 1)
858 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
859 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
860 * using a beamforming steering matrix
861 */
862enum ieee80211_vht_opmode_bits {
863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
865 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
866 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
867 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
868 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
869 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
870 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
871};
872
873#define WLAN_SA_QUERY_TR_ID_LEN 2
874#define WLAN_MEMBERSHIP_LEN 8
875#define WLAN_USER_POSITION_LEN 16
876
877/**
878 * struct ieee80211_tpc_report_ie
879 *
880 * This structure refers to "TPC Report element"
881 */
882struct ieee80211_tpc_report_ie {
883 u8 tx_power;
884 u8 link_margin;
885} __packed;
886
887struct ieee80211_mgmt {
888 __le16 frame_control;
889 __le16 duration;
890 u8 da[ETH_ALEN];
891 u8 sa[ETH_ALEN];
892 u8 bssid[ETH_ALEN];
893 __le16 seq_ctrl;
894 union {
895 struct {
896 __le16 auth_alg;
897 __le16 auth_transaction;
898 __le16 status_code;
899 /* possibly followed by Challenge text */
900 u8 variable[0];
901 } __packed auth;
902 struct {
903 __le16 reason_code;
904 } __packed deauth;
905 struct {
906 __le16 capab_info;
907 __le16 listen_interval;
908 /* followed by SSID and Supported rates */
909 u8 variable[0];
910 } __packed assoc_req;
911 struct {
912 __le16 capab_info;
913 __le16 status_code;
914 __le16 aid;
915 /* followed by Supported rates */
916 u8 variable[0];
917 } __packed assoc_resp, reassoc_resp;
918 struct {
919 __le16 capab_info;
920 __le16 listen_interval;
921 u8 current_ap[ETH_ALEN];
922 /* followed by SSID and Supported rates */
923 u8 variable[0];
924 } __packed reassoc_req;
925 struct {
926 __le16 reason_code;
927 } __packed disassoc;
928 struct {
929 __le64 timestamp;
930 __le16 beacon_int;
931 __le16 capab_info;
932 /* followed by some of SSID, Supported rates,
933 * FH Params, DS Params, CF Params, IBSS Params, TIM */
934 u8 variable[0];
935 } __packed beacon;
936 struct {
937 /* only variable items: SSID, Supported rates */
938 u8 variable[0];
939 } __packed probe_req;
940 struct {
941 __le64 timestamp;
942 __le16 beacon_int;
943 __le16 capab_info;
944 /* followed by some of SSID, Supported rates,
945 * FH Params, DS Params, CF Params, IBSS Params */
946 u8 variable[0];
947 } __packed probe_resp;
948 struct {
949 u8 category;
950 union {
951 struct {
952 u8 action_code;
953 u8 dialog_token;
954 u8 status_code;
955 u8 variable[0];
956 } __packed wme_action;
957 struct{
958 u8 action_code;
959 u8 variable[0];
960 } __packed chan_switch;
961 struct{
962 u8 action_code;
963 struct ieee80211_ext_chansw_ie data;
964 u8 variable[0];
965 } __packed ext_chan_switch;
966 struct{
967 u8 action_code;
968 u8 dialog_token;
969 u8 element_id;
970 u8 length;
971 struct ieee80211_msrment_ie msr_elem;
972 } __packed measurement;
973 struct{
974 u8 action_code;
975 u8 dialog_token;
976 __le16 capab;
977 __le16 timeout;
978 __le16 start_seq_num;
979 } __packed addba_req;
980 struct{
981 u8 action_code;
982 u8 dialog_token;
983 __le16 status;
984 __le16 capab;
985 __le16 timeout;
986 } __packed addba_resp;
987 struct{
988 u8 action_code;
989 __le16 params;
990 __le16 reason_code;
991 } __packed delba;
992 struct {
993 u8 action_code;
994 u8 variable[0];
995 } __packed self_prot;
996 struct{
997 u8 action_code;
998 u8 variable[0];
999 } __packed mesh_action;
1000 struct {
1001 u8 action;
1002 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1003 } __packed sa_query;
1004 struct {
1005 u8 action;
1006 u8 smps_control;
1007 } __packed ht_smps;
1008 struct {
1009 u8 action_code;
1010 u8 chanwidth;
1011 } __packed ht_notify_cw;
1012 struct {
1013 u8 action_code;
1014 u8 dialog_token;
1015 __le16 capability;
1016 u8 variable[0];
1017 } __packed tdls_discover_resp;
1018 struct {
1019 u8 action_code;
1020 u8 operating_mode;
1021 } __packed vht_opmode_notif;
1022 struct {
1023 u8 action_code;
1024 u8 membership[WLAN_MEMBERSHIP_LEN];
1025 u8 position[WLAN_USER_POSITION_LEN];
1026 } __packed vht_group_notif;
1027 struct {
1028 u8 action_code;
1029 u8 dialog_token;
1030 u8 tpc_elem_id;
1031 u8 tpc_elem_length;
1032 struct ieee80211_tpc_report_ie tpc;
1033 } __packed tpc_report;
1034 struct {
1035 u8 action_code;
1036 u8 dialog_token;
1037 u8 follow_up;
1038 u8 tod[6];
1039 u8 toa[6];
1040 __le16 tod_error;
1041 __le16 toa_error;
1042 u8 variable[0];
1043 } __packed ftm;
1044 } u;
1045 } __packed action;
1046 } u;
1047} __packed __aligned(2);
1048
1049/* Supported rates membership selectors */
1050#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1051#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1052
1053/* mgmt header + 1 byte category code */
1054#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1055
1056
1057/* Management MIC information element (IEEE 802.11w) */
1058struct ieee80211_mmie {
1059 u8 element_id;
1060 u8 length;
1061 __le16 key_id;
1062 u8 sequence_number[6];
1063 u8 mic[8];
1064} __packed;
1065
1066/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1067struct ieee80211_mmie_16 {
1068 u8 element_id;
1069 u8 length;
1070 __le16 key_id;
1071 u8 sequence_number[6];
1072 u8 mic[16];
1073} __packed;
1074
1075struct ieee80211_vendor_ie {
1076 u8 element_id;
1077 u8 len;
1078 u8 oui[3];
1079 u8 oui_type;
1080} __packed;
1081
1082struct ieee80211_wmm_ac_param {
1083 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1084 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1085 __le16 txop_limit;
1086} __packed;
1087
1088struct ieee80211_wmm_param_ie {
1089 u8 element_id; /* Element ID: 221 (0xdd); */
1090 u8 len; /* Length: 24 */
1091 /* required fields for WMM version 1 */
1092 u8 oui[3]; /* 00:50:f2 */
1093 u8 oui_type; /* 2 */
1094 u8 oui_subtype; /* 1 */
1095 u8 version; /* 1 for WMM version 1.0 */
1096 u8 qos_info; /* AP/STA specific QoS info */
1097 u8 reserved; /* 0 */
1098 /* AC_BE, AC_BK, AC_VI, AC_VO */
1099 struct ieee80211_wmm_ac_param ac[4];
1100} __packed;
1101
1102/* Control frames */
1103struct ieee80211_rts {
1104 __le16 frame_control;
1105 __le16 duration;
1106 u8 ra[ETH_ALEN];
1107 u8 ta[ETH_ALEN];
1108} __packed __aligned(2);
1109
1110struct ieee80211_cts {
1111 __le16 frame_control;
1112 __le16 duration;
1113 u8 ra[ETH_ALEN];
1114} __packed __aligned(2);
1115
1116struct ieee80211_pspoll {
1117 __le16 frame_control;
1118 __le16 aid;
1119 u8 bssid[ETH_ALEN];
1120 u8 ta[ETH_ALEN];
1121} __packed __aligned(2);
1122
1123/* TDLS */
1124
1125/* Channel switch timing */
1126struct ieee80211_ch_switch_timing {
1127 __le16 switch_time;
1128 __le16 switch_timeout;
1129} __packed;
1130
1131/* Link-id information element */
1132struct ieee80211_tdls_lnkie {
1133 u8 ie_type; /* Link Identifier IE */
1134 u8 ie_len;
1135 u8 bssid[ETH_ALEN];
1136 u8 init_sta[ETH_ALEN];
1137 u8 resp_sta[ETH_ALEN];
1138} __packed;
1139
1140struct ieee80211_tdls_data {
1141 u8 da[ETH_ALEN];
1142 u8 sa[ETH_ALEN];
1143 __be16 ether_type;
1144 u8 payload_type;
1145 u8 category;
1146 u8 action_code;
1147 union {
1148 struct {
1149 u8 dialog_token;
1150 __le16 capability;
1151 u8 variable[0];
1152 } __packed setup_req;
1153 struct {
1154 __le16 status_code;
1155 u8 dialog_token;
1156 __le16 capability;
1157 u8 variable[0];
1158 } __packed setup_resp;
1159 struct {
1160 __le16 status_code;
1161 u8 dialog_token;
1162 u8 variable[0];
1163 } __packed setup_cfm;
1164 struct {
1165 __le16 reason_code;
1166 u8 variable[0];
1167 } __packed teardown;
1168 struct {
1169 u8 dialog_token;
1170 u8 variable[0];
1171 } __packed discover_req;
1172 struct {
1173 u8 target_channel;
1174 u8 oper_class;
1175 u8 variable[0];
1176 } __packed chan_switch_req;
1177 struct {
1178 __le16 status_code;
1179 u8 variable[0];
1180 } __packed chan_switch_resp;
1181 } u;
1182} __packed;
1183
1184/*
1185 * Peer-to-Peer IE attribute related definitions.
1186 */
1187/**
1188 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1189 */
1190enum ieee80211_p2p_attr_id {
1191 IEEE80211_P2P_ATTR_STATUS = 0,
1192 IEEE80211_P2P_ATTR_MINOR_REASON,
1193 IEEE80211_P2P_ATTR_CAPABILITY,
1194 IEEE80211_P2P_ATTR_DEVICE_ID,
1195 IEEE80211_P2P_ATTR_GO_INTENT,
1196 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1197 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1198 IEEE80211_P2P_ATTR_GROUP_BSSID,
1199 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1200 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1201 IEEE80211_P2P_ATTR_MANAGABILITY,
1202 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1203 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1204 IEEE80211_P2P_ATTR_DEVICE_INFO,
1205 IEEE80211_P2P_ATTR_GROUP_INFO,
1206 IEEE80211_P2P_ATTR_GROUP_ID,
1207 IEEE80211_P2P_ATTR_INTERFACE,
1208 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1209 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1210 /* 19 - 220: Reserved */
1211 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1212
1213 IEEE80211_P2P_ATTR_MAX
1214};
1215
1216/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1217/* Typical max value used here */
1218#define IEEE80211_P2P_NOA_DESC_MAX 4
1219
1220struct ieee80211_p2p_noa_desc {
1221 u8 count;
1222 __le32 duration;
1223 __le32 interval;
1224 __le32 start_time;
1225} __packed;
1226
1227struct ieee80211_p2p_noa_attr {
1228 u8 index;
1229 u8 oppps_ctwindow;
1230 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1231} __packed;
1232
1233#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1234#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1235
1236/**
1237 * struct ieee80211_bar - HT Block Ack Request
1238 *
1239 * This structure refers to "HT BlockAckReq" as
1240 * described in 802.11n draft section 7.2.1.7.1
1241 */
1242struct ieee80211_bar {
1243 __le16 frame_control;
1244 __le16 duration;
1245 __u8 ra[ETH_ALEN];
1246 __u8 ta[ETH_ALEN];
1247 __le16 control;
1248 __le16 start_seq_num;
1249} __packed;
1250
1251/* 802.11 BAR control masks */
1252#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1253#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1254#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1255#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1256#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1257
1258#define IEEE80211_HT_MCS_MASK_LEN 10
1259
1260/**
1261 * struct ieee80211_mcs_info - MCS information
1262 * @rx_mask: RX mask
1263 * @rx_highest: highest supported RX rate. If set represents
1264 * the highest supported RX data rate in units of 1 Mbps.
1265 * If this field is 0 this value should not be used to
1266 * consider the highest RX data rate supported.
1267 * @tx_params: TX parameters
1268 */
1269struct ieee80211_mcs_info {
1270 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1271 __le16 rx_highest;
1272 u8 tx_params;
1273 u8 reserved[3];
1274} __packed;
1275
1276/* 802.11n HT capability MSC set */
1277#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1278#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1279#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1280/* value 0 == 1 stream etc */
1281#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1282#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1283#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1284#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1285
1286/*
1287 * 802.11n D5.0 20.3.5 / 20.6 says:
1288 * - indices 0 to 7 and 32 are single spatial stream
1289 * - 8 to 31 are multiple spatial streams using equal modulation
1290 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1291 * - remainder are multiple spatial streams using unequal modulation
1292 */
1293#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1294#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1295 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1296
1297/**
1298 * struct ieee80211_ht_cap - HT capabilities
1299 *
1300 * This structure is the "HT capabilities element" as
1301 * described in 802.11n D5.0 7.3.2.57
1302 */
1303struct ieee80211_ht_cap {
1304 __le16 cap_info;
1305 u8 ampdu_params_info;
1306
1307 /* 16 bytes MCS information */
1308 struct ieee80211_mcs_info mcs;
1309
1310 __le16 extended_ht_cap_info;
1311 __le32 tx_BF_cap_info;
1312 u8 antenna_selection_info;
1313} __packed;
1314
1315/* 802.11n HT capabilities masks (for cap_info) */
1316#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1317#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1318#define IEEE80211_HT_CAP_SM_PS 0x000C
1319#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1320#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1321#define IEEE80211_HT_CAP_SGI_20 0x0020
1322#define IEEE80211_HT_CAP_SGI_40 0x0040
1323#define IEEE80211_HT_CAP_TX_STBC 0x0080
1324#define IEEE80211_HT_CAP_RX_STBC 0x0300
1325#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1326#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1327#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1328#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1329#define IEEE80211_HT_CAP_RESERVED 0x2000
1330#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1331#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1332
1333/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1334#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1335#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1336#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1337#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1338#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1339#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1340#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1341
1342/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1343#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1344#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1345#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1346
1347/*
1348 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1349 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1350 */
1351enum ieee80211_max_ampdu_length_exp {
1352 IEEE80211_HT_MAX_AMPDU_8K = 0,
1353 IEEE80211_HT_MAX_AMPDU_16K = 1,
1354 IEEE80211_HT_MAX_AMPDU_32K = 2,
1355 IEEE80211_HT_MAX_AMPDU_64K = 3
1356};
1357
1358/*
1359 * Maximum length of AMPDU that the STA can receive in VHT.
1360 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1361 */
1362enum ieee80211_vht_max_ampdu_length_exp {
1363 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1364 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1365 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1366 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1367 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1368 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1369 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1370 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1371};
1372
1373#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1374
1375/* Minimum MPDU start spacing */
1376enum ieee80211_min_mpdu_spacing {
1377 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1378 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1379 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1380 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1381 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1382 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1383 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1384 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1385};
1386
1387/**
1388 * struct ieee80211_ht_operation - HT operation IE
1389 *
1390 * This structure is the "HT operation element" as
1391 * described in 802.11n-2009 7.3.2.57
1392 */
1393struct ieee80211_ht_operation {
1394 u8 primary_chan;
1395 u8 ht_param;
1396 __le16 operation_mode;
1397 __le16 stbc_param;
1398 u8 basic_set[16];
1399} __packed;
1400
1401/* for ht_param */
1402#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1403#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1404#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1405#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1406#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1407#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1408
1409/* for operation_mode */
1410#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1411#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1412#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1413#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1414#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1415#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1416#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1417#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1418#define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1419
1420/* for stbc_param */
1421#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1422#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1423#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1424#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1425#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1426#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1427
1428
1429/* block-ack parameters */
1430#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1431#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1432#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1433#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1434#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1435#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1436
1437/*
1438 * A-MPDU buffer sizes
1439 * According to HT size varies from 8 to 64 frames
1440 * HE adds the ability to have up to 256 frames.
1441 */
1442#define IEEE80211_MIN_AMPDU_BUF 0x8
1443#define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1444#define IEEE80211_MAX_AMPDU_BUF 0x100
1445
1446
1447/* Spatial Multiplexing Power Save Modes (for capability) */
1448#define WLAN_HT_CAP_SM_PS_STATIC 0
1449#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1450#define WLAN_HT_CAP_SM_PS_INVALID 2
1451#define WLAN_HT_CAP_SM_PS_DISABLED 3
1452
1453/* for SM power control field lower two bits */
1454#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1455#define WLAN_HT_SMPS_CONTROL_STATIC 1
1456#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1457
1458/**
1459 * struct ieee80211_vht_mcs_info - VHT MCS information
1460 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1461 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1462 * STA can receive. Rate expressed in units of 1 Mbps.
1463 * If this field is 0 this value should not be used to
1464 * consider the highest RX data rate supported.
1465 * The top 3 bits of this field indicate the Maximum NSTS,total
1466 * (a beamformee capability.)
1467 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1468 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1469 * STA can transmit. Rate expressed in units of 1 Mbps.
1470 * If this field is 0 this value should not be used to
1471 * consider the highest TX data rate supported.
1472 * The top 2 bits of this field are reserved, the
1473 * 3rd bit from the top indiciates VHT Extended NSS BW
1474 * Capability.
1475 */
1476struct ieee80211_vht_mcs_info {
1477 __le16 rx_mcs_map;
1478 __le16 rx_highest;
1479 __le16 tx_mcs_map;
1480 __le16 tx_highest;
1481} __packed;
1482
1483/* for rx_highest */
1484#define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1485#define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1486
1487/* for tx_highest */
1488#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1489
1490/**
1491 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1492 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1493 * number of streams
1494 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1495 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1496 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1497 *
1498 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1499 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1500 * both split into 8 subfields by number of streams. These values indicate
1501 * which MCSes are supported for the number of streams the value appears
1502 * for.
1503 */
1504enum ieee80211_vht_mcs_support {
1505 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1506 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1507 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1508 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1509};
1510
1511/**
1512 * struct ieee80211_vht_cap - VHT capabilities
1513 *
1514 * This structure is the "VHT capabilities element" as
1515 * described in 802.11ac D3.0 8.4.2.160
1516 * @vht_cap_info: VHT capability info
1517 * @supp_mcs: VHT MCS supported rates
1518 */
1519struct ieee80211_vht_cap {
1520 __le32 vht_cap_info;
1521 struct ieee80211_vht_mcs_info supp_mcs;
1522} __packed;
1523
1524/**
1525 * enum ieee80211_vht_chanwidth - VHT channel width
1526 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1527 * determine the channel width (20 or 40 MHz)
1528 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1529 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1530 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1531 */
1532enum ieee80211_vht_chanwidth {
1533 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1534 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1535 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1536 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1537};
1538
1539/**
1540 * struct ieee80211_vht_operation - VHT operation IE
1541 *
1542 * This structure is the "VHT operation element" as
1543 * described in 802.11ac D3.0 8.4.2.161
1544 * @chan_width: Operating channel width
1545 * @center_freq_seg0_idx: center freq segment 0 index
1546 * @center_freq_seg1_idx: center freq segment 1 index
1547 * @basic_mcs_set: VHT Basic MCS rate set
1548 */
1549struct ieee80211_vht_operation {
1550 u8 chan_width;
1551 u8 center_freq_seg0_idx;
1552 u8 center_freq_seg1_idx;
1553 __le16 basic_mcs_set;
1554} __packed;
1555
1556/**
1557 * struct ieee80211_he_cap_elem - HE capabilities element
1558 *
1559 * This structure is the "HE capabilities element" fixed fields as
1560 * described in P802.11ax_D3.0 section 9.4.2.237.2 and 9.4.2.237.3
1561 */
1562struct ieee80211_he_cap_elem {
1563 u8 mac_cap_info[6];
1564 u8 phy_cap_info[11];
1565} __packed;
1566
1567#define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1568
1569/**
1570 * enum ieee80211_he_mcs_support - HE MCS support definitions
1571 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1572 * number of streams
1573 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1574 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1575 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1576 *
1577 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1578 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1579 * both split into 8 subfields by number of streams. These values indicate
1580 * which MCSes are supported for the number of streams the value appears
1581 * for.
1582 */
1583enum ieee80211_he_mcs_support {
1584 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1585 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1586 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1587 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1588};
1589
1590/**
1591 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1592 *
1593 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1594 * described in P802.11ax_D2.0 section 9.4.2.237.4
1595 *
1596 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1597 * widths less than 80MHz.
1598 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1599 * widths less than 80MHz.
1600 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1601 * width 160MHz.
1602 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1603 * width 160MHz.
1604 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1605 * channel width 80p80MHz.
1606 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1607 * channel width 80p80MHz.
1608 */
1609struct ieee80211_he_mcs_nss_supp {
1610 __le16 rx_mcs_80;
1611 __le16 tx_mcs_80;
1612 __le16 rx_mcs_160;
1613 __le16 tx_mcs_160;
1614 __le16 rx_mcs_80p80;
1615 __le16 tx_mcs_80p80;
1616} __packed;
1617
1618/**
1619 * struct ieee80211_he_operation - HE capabilities element
1620 *
1621 * This structure is the "HE operation element" fields as
1622 * described in P802.11ax_D3.0 section 9.4.2.238
1623 */
1624struct ieee80211_he_operation {
1625 __le32 he_oper_params;
1626 __le16 he_mcs_nss_set;
1627 /* Optional 0,1,3 or 4 bytes: depends on @he_oper_params */
1628 u8 optional[0];
1629} __packed;
1630
1631/**
1632 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1633 *
1634 * This structure is the "MU AC Parameter Record" fields as
1635 * described in P802.11ax_D2.0 section 9.4.2.240
1636 */
1637struct ieee80211_he_mu_edca_param_ac_rec {
1638 u8 aifsn;
1639 u8 ecw_min_max;
1640 u8 mu_edca_timer;
1641} __packed;
1642
1643/**
1644 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1645 *
1646 * This structure is the "MU EDCA Parameter Set element" fields as
1647 * described in P802.11ax_D2.0 section 9.4.2.240
1648 */
1649struct ieee80211_mu_edca_param_set {
1650 u8 mu_qos_info;
1651 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1652 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1653 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1654 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1655} __packed;
1656
1657/* 802.11ac VHT Capabilities */
1658#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1659#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1660#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1661#define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1662#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1663#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1664#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1665#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
1666#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1667#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1668#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1669#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1670#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1671#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1672#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1673#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1674#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1675#define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
1676#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1677#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1678#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1679#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1680 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1681#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1682#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1683 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1684#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1685#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1686#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1687#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1688#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1689#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1690 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1691#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1692#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1693#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1694#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1695#define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
1696#define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
1697
1698/**
1699 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1700 * @cap: VHT capabilities of the peer
1701 * @bw: bandwidth to use
1702 * @mcs: MCS index to use
1703 * @ext_nss_bw_capable: indicates whether or not the local transmitter
1704 * (rate scaling algorithm) can deal with the new logic
1705 * (dot11VHTExtendedNSSBWCapable)
1706 *
1707 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1708 * vary for a given BW/MCS. This function parses the data.
1709 *
1710 * Note: This function is exported by cfg80211.
1711 */
1712int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1713 enum ieee80211_vht_chanwidth bw,
1714 int mcs, bool ext_nss_bw_capable);
1715
1716/* 802.11ax HE MAC capabilities */
1717#define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
1718#define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
1719#define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
1720#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
1721#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
1722#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
1723#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
1724#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
1725#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
1726#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
1727#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
1728#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
1729#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
1730#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
1731#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
1732#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
1733#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
1734
1735#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
1736#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
1737#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
1738#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
1739#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
1740#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
1741#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
1742#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
1743#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
1744#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
1745#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
1746#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
1747#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
1748#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
1749#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
1750#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
1751#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
1752#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
1753
1754/* Link adaptation is split between byte HE_MAC_CAP1 and
1755 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1756 * in which case the following values apply:
1757 * 0 = No feedback.
1758 * 1 = reserved.
1759 * 2 = Unsolicited feedback.
1760 * 3 = both
1761 */
1762#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
1763
1764#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
1765#define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
1766#define IEEE80211_HE_MAC_CAP2_TRS 0x04
1767#define IEEE80211_HE_MAC_CAP2_BSR 0x08
1768#define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
1769#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
1770#define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
1771#define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
1772
1773#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
1774#define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
1775
1776/* The maximum length of an A-MDPU is defined by the combination of the Maximum
1777 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1778 * same field in the HE capabilities.
1779 */
1780#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1781#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08
1782#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10
1783#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18
1784#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
1785#define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
1786#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
1787#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
1788
1789#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
1790#define IEEE80211_HE_MAC_CAP4_QTP 0x02
1791#define IEEE80211_HE_MAC_CAP4_BQR 0x04
1792#define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08
1793#define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
1794#define IEEE80211_HE_MAC_CAP4_OPS 0x20
1795#define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40
1796/* Multi TID agg TX is split between byte #4 and #5
1797 * The value is a combination of B39,B40,B41
1798 */
1799#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
1800
1801#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
1802#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
1803#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04
1804#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
1805#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
1806#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
1807#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
1808#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
1809
1810/* 802.11ax HE PHY capabilities */
1811#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
1812#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
1813#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
1814#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
1815#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
1816#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
1817#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
1818
1819#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
1820#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
1821#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1822#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1823#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
1824#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
1825#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
1826#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
1827/* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1828#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
1829
1830#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
1831#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
1832#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
1833#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
1834#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
1835#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
1836
1837/* Note that the meaning of UL MU below is different between an AP and a non-AP
1838 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1839 * case it indicates support for Tx.
1840 */
1841#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
1842#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
1843
1844#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
1845#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
1846#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
1847#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
1848#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
1849#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
1850#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
1851#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
1852#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
1853#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
1854#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
1855#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
1856#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
1857#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
1858#define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40
1859#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
1860
1861#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
1862#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
1863
1864/* Minimal allowed value of Max STS under 80MHz is 3 */
1865#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
1866#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
1867#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
1868#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
1869#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
1870#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
1871
1872/* Minimal allowed value of Max STS above 80MHz is 3 */
1873#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
1874#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
1875#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
1876#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
1877#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
1878#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
1879
1880#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
1881#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
1882#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
1883#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
1884#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
1885#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
1886#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
1887#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
1888#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
1889
1890#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
1891#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
1892#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
1893#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
1894#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
1895#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
1896#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
1897#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
1898#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
1899
1900#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
1901#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
1902
1903#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
1904#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
1905#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04
1906#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08
1907#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
1908#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
1909#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
1910#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
1911
1912#define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01
1913#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02
1914#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
1915#define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
1916#define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
1917#define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
1918#define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
1919#define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
1920#define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
1921#define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
1922#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
1923#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
1924#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
1925
1926#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
1927#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
1928#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
1929#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
1930#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
1931#define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
1932#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
1933#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
1934#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
1935#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
1936#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
1937
1938#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
1939#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
1940#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
1941#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
1942#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
1943#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1944#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
1945#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
1946#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
1947#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
1948#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
1949
1950/* 802.11ax HE TX/RX MCS NSS Support */
1951#define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
1952#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
1953#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
1954#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
1955#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
1956
1957/* TX/RX HE MCS Support field Highest MCS subfield encoding */
1958enum ieee80211_he_highest_mcs_supported_subfield_enc {
1959 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1960 HIGHEST_MCS_SUPPORTED_MCS8,
1961 HIGHEST_MCS_SUPPORTED_MCS9,
1962 HIGHEST_MCS_SUPPORTED_MCS10,
1963 HIGHEST_MCS_SUPPORTED_MCS11,
1964};
1965
1966/* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1967static inline u8
1968ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1969{
1970 u8 count = 4;
1971
1972 if (he_cap->phy_cap_info[0] &
1973 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1974 count += 4;
1975
1976 if (he_cap->phy_cap_info[0] &
1977 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1978 count += 4;
1979
1980 return count;
1981}
1982
1983/* 802.11ax HE PPE Thresholds */
1984#define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
1985#define IEEE80211_PPE_THRES_NSS_POS (0)
1986#define IEEE80211_PPE_THRES_NSS_MASK (7)
1987#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
1988 (BIT(5) | BIT(6))
1989#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
1990#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
1991#define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
1992
1993/*
1994 * Calculate 802.11ax HE capabilities IE PPE field size
1995 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
1996 */
1997static inline u8
1998ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
1999{
2000 u8 n;
2001
2002 if ((phy_cap_info[6] &
2003 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2004 return 0;
2005
2006 n = hweight8(ppe_thres_hdr &
2007 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2008 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2009 IEEE80211_PPE_THRES_NSS_POS));
2010
2011 /*
2012 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2013 * total size.
2014 */
2015 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2016 n = DIV_ROUND_UP(n, 8);
2017
2018 return n;
2019}
2020
2021/* HE Operation defines */
2022#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003
2023#define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2024#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2025#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2026#define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2027#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2028#define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2029#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2030#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2031#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2032#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2033
2034/*
2035 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2036 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2037 * after the ext ID byte. It is assumed that he_oper_ie has at least
2038 * sizeof(struct ieee80211_he_operation) bytes, checked already in
2039 * ieee802_11_parse_elems_crc()
2040 * @return the actual size of the IE data (not including header), or 0 on error
2041 */
2042static inline u8
2043ieee80211_he_oper_size(const u8 *he_oper_ie)
2044{
2045 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2046 u8 oper_len = sizeof(struct ieee80211_he_operation);
2047 u32 he_oper_params;
2048
2049 /* Make sure the input is not NULL */
2050 if (!he_oper_ie)
2051 return 0;
2052
2053 /* Calc required length */
2054 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2055 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2056 oper_len += 3;
2057 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2058 oper_len++;
2059
2060 /* Add the first byte (extension ID) to the total length */
2061 oper_len++;
2062
2063 return oper_len;
2064}
2065
2066/* Authentication algorithms */
2067#define WLAN_AUTH_OPEN 0
2068#define WLAN_AUTH_SHARED_KEY 1
2069#define WLAN_AUTH_FT 2
2070#define WLAN_AUTH_SAE 3
2071#define WLAN_AUTH_FILS_SK 4
2072#define WLAN_AUTH_FILS_SK_PFS 5
2073#define WLAN_AUTH_FILS_PK 6
2074#define WLAN_AUTH_LEAP 128
2075
2076#define WLAN_AUTH_CHALLENGE_LEN 128
2077
2078#define WLAN_CAPABILITY_ESS (1<<0)
2079#define WLAN_CAPABILITY_IBSS (1<<1)
2080
2081/*
2082 * A mesh STA sets the ESS and IBSS capability bits to zero.
2083 * however, this holds true for p2p probe responses (in the p2p_find
2084 * phase) as well.
2085 */
2086#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
2087 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
2088
2089#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
2090#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
2091#define WLAN_CAPABILITY_PRIVACY (1<<4)
2092#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
2093#define WLAN_CAPABILITY_PBCC (1<<6)
2094#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
2095
2096/* 802.11h */
2097#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
2098#define WLAN_CAPABILITY_QOS (1<<9)
2099#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
2100#define WLAN_CAPABILITY_APSD (1<<11)
2101#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
2102#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
2103#define WLAN_CAPABILITY_DEL_BACK (1<<14)
2104#define WLAN_CAPABILITY_IMM_BACK (1<<15)
2105
2106/* DMG (60gHz) 802.11ad */
2107/* type - bits 0..1 */
2108#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
2109#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
2110#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
2111#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
2112
2113#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
2114#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
2115#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
2116#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
2117
2118#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
2119#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
2120
2121/* measurement */
2122#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
2123#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
2124#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
2125
2126#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
2127#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
2128#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
2129#define IEEE80211_SPCT_MSR_RPRT_TYPE_LCI 8
2130#define IEEE80211_SPCT_MSR_RPRT_TYPE_CIVIC 11
2131
2132/* 802.11g ERP information element */
2133#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
2134#define WLAN_ERP_USE_PROTECTION (1<<1)
2135#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
2136
2137/* WLAN_ERP_BARKER_PREAMBLE values */
2138enum {
2139 WLAN_ERP_PREAMBLE_SHORT = 0,
2140 WLAN_ERP_PREAMBLE_LONG = 1,
2141};
2142
2143/* Band ID, 802.11ad #8.4.1.45 */
2144enum {
2145 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
2146 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
2147 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
2148 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
2149 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
2150 IEEE80211_BANDID_60G = 5, /* 60 GHz */
2151};
2152
2153/* Status codes */
2154enum ieee80211_statuscode {
2155 WLAN_STATUS_SUCCESS = 0,
2156 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
2157 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
2158 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
2159 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
2160 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
2161 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
2162 WLAN_STATUS_CHALLENGE_FAIL = 15,
2163 WLAN_STATUS_AUTH_TIMEOUT = 16,
2164 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
2165 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
2166 /* 802.11b */
2167 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
2168 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
2169 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
2170 /* 802.11h */
2171 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
2172 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
2173 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
2174 /* 802.11g */
2175 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
2176 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
2177 /* 802.11w */
2178 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
2179 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
2180 /* 802.11i */
2181 WLAN_STATUS_INVALID_IE = 40,
2182 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
2183 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
2184 WLAN_STATUS_INVALID_AKMP = 43,
2185 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
2186 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
2187 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
2188 /* 802.11e */
2189 WLAN_STATUS_UNSPECIFIED_QOS = 32,
2190 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
2191 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
2192 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
2193 WLAN_STATUS_REQUEST_DECLINED = 37,
2194 WLAN_STATUS_INVALID_QOS_PARAM = 38,
2195 WLAN_STATUS_CHANGE_TSPEC = 39,
2196 WLAN_STATUS_WAIT_TS_DELAY = 47,
2197 WLAN_STATUS_NO_DIRECT_LINK = 48,
2198 WLAN_STATUS_STA_NOT_PRESENT = 49,
2199 WLAN_STATUS_STA_NOT_QSTA = 50,
2200 /* 802.11s */
2201 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
2202 WLAN_STATUS_FCG_NOT_SUPP = 78,
2203 WLAN_STATUS_STA_NO_TBTT = 78,
2204 /* 802.11ad */
2205 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
2206 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
2207 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
2208 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
2209 WLAN_STATUS_PERFORMING_FST_NOW = 87,
2210 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
2211 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
2212 WLAN_STATUS_REJECT_DSE_BAND = 96,
2213 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
2214 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
2215 /* 802.11ai */
2216 WLAN_STATUS_FILS_AUTHENTICATION_FAILURE = 108,
2217 WLAN_STATUS_UNKNOWN_AUTHENTICATION_SERVER = 109,
2218};
2219
2220
2221/* Reason codes */
2222enum ieee80211_reasoncode {
2223 WLAN_REASON_UNSPECIFIED = 1,
2224 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
2225 WLAN_REASON_DEAUTH_LEAVING = 3,
2226 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
2227 WLAN_REASON_DISASSOC_AP_BUSY = 5,
2228 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
2229 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
2230 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
2231 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
2232 /* 802.11h */
2233 WLAN_REASON_DISASSOC_BAD_POWER = 10,
2234 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
2235 /* 802.11i */
2236 WLAN_REASON_INVALID_IE = 13,
2237 WLAN_REASON_MIC_FAILURE = 14,
2238 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
2239 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
2240 WLAN_REASON_IE_DIFFERENT = 17,
2241 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
2242 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
2243 WLAN_REASON_INVALID_AKMP = 20,
2244 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
2245 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
2246 WLAN_REASON_IEEE8021X_FAILED = 23,
2247 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
2248 /* TDLS (802.11z) */
2249 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
2250 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
2251 /* 802.11e */
2252 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
2253 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
2254 WLAN_REASON_DISASSOC_LOW_ACK = 34,
2255 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
2256 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
2257 WLAN_REASON_QSTA_NOT_USE = 37,
2258 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
2259 WLAN_REASON_QSTA_TIMEOUT = 39,
2260 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
2261 /* 802.11s */
2262 WLAN_REASON_MESH_PEER_CANCELED = 52,
2263 WLAN_REASON_MESH_MAX_PEERS = 53,
2264 WLAN_REASON_MESH_CONFIG = 54,
2265 WLAN_REASON_MESH_CLOSE = 55,
2266 WLAN_REASON_MESH_MAX_RETRIES = 56,
2267 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
2268 WLAN_REASON_MESH_INVALID_GTK = 58,
2269 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
2270 WLAN_REASON_MESH_INVALID_SECURITY = 60,
2271 WLAN_REASON_MESH_PATH_ERROR = 61,
2272 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
2273 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
2274 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
2275 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
2276 WLAN_REASON_MESH_CHAN = 66,
2277};
2278
2279
2280/* Information Element IDs */
2281enum ieee80211_eid {
2282 WLAN_EID_SSID = 0,
2283 WLAN_EID_SUPP_RATES = 1,
2284 WLAN_EID_FH_PARAMS = 2, /* reserved now */
2285 WLAN_EID_DS_PARAMS = 3,
2286 WLAN_EID_CF_PARAMS = 4,
2287 WLAN_EID_TIM = 5,
2288 WLAN_EID_IBSS_PARAMS = 6,
2289 WLAN_EID_COUNTRY = 7,
2290 /* 8, 9 reserved */
2291 WLAN_EID_REQUEST = 10,
2292 WLAN_EID_QBSS_LOAD = 11,
2293 WLAN_EID_EDCA_PARAM_SET = 12,
2294 WLAN_EID_TSPEC = 13,
2295 WLAN_EID_TCLAS = 14,
2296 WLAN_EID_SCHEDULE = 15,
2297 WLAN_EID_CHALLENGE = 16,
2298 /* 17-31 reserved for challenge text extension */
2299 WLAN_EID_PWR_CONSTRAINT = 32,
2300 WLAN_EID_PWR_CAPABILITY = 33,
2301 WLAN_EID_TPC_REQUEST = 34,
2302 WLAN_EID_TPC_REPORT = 35,
2303 WLAN_EID_SUPPORTED_CHANNELS = 36,
2304 WLAN_EID_CHANNEL_SWITCH = 37,
2305 WLAN_EID_MEASURE_REQUEST = 38,
2306 WLAN_EID_MEASURE_REPORT = 39,
2307 WLAN_EID_QUIET = 40,
2308 WLAN_EID_IBSS_DFS = 41,
2309 WLAN_EID_ERP_INFO = 42,
2310 WLAN_EID_TS_DELAY = 43,
2311 WLAN_EID_TCLAS_PROCESSING = 44,
2312 WLAN_EID_HT_CAPABILITY = 45,
2313 WLAN_EID_QOS_CAPA = 46,
2314 /* 47 reserved for Broadcom */
2315 WLAN_EID_RSN = 48,
2316 WLAN_EID_802_15_COEX = 49,
2317 WLAN_EID_EXT_SUPP_RATES = 50,
2318 WLAN_EID_AP_CHAN_REPORT = 51,
2319 WLAN_EID_NEIGHBOR_REPORT = 52,
2320 WLAN_EID_RCPI = 53,
2321 WLAN_EID_MOBILITY_DOMAIN = 54,
2322 WLAN_EID_FAST_BSS_TRANSITION = 55,
2323 WLAN_EID_TIMEOUT_INTERVAL = 56,
2324 WLAN_EID_RIC_DATA = 57,
2325 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
2326 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
2327 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
2328 WLAN_EID_HT_OPERATION = 61,
2329 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
2330 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
2331 WLAN_EID_ANTENNA_INFO = 64,
2332 WLAN_EID_RSNI = 65,
2333 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
2334 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
2335 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
2336 WLAN_EID_TIME_ADVERTISEMENT = 69,
2337 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
2338 WLAN_EID_MULTIPLE_BSSID = 71,
2339 WLAN_EID_BSS_COEX_2040 = 72,
2340 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
2341 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
2342 WLAN_EID_RIC_DESCRIPTOR = 75,
2343 WLAN_EID_MMIE = 76,
2344 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
2345 WLAN_EID_EVENT_REQUEST = 78,
2346 WLAN_EID_EVENT_REPORT = 79,
2347 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
2348 WLAN_EID_DIAGNOSTIC_REPORT = 81,
2349 WLAN_EID_LOCATION_PARAMS = 82,
2350 WLAN_EID_NON_TX_BSSID_CAP = 83,
2351 WLAN_EID_SSID_LIST = 84,
2352 WLAN_EID_MULTI_BSSID_IDX = 85,
2353 WLAN_EID_FMS_DESCRIPTOR = 86,
2354 WLAN_EID_FMS_REQUEST = 87,
2355 WLAN_EID_FMS_RESPONSE = 88,
2356 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
2357 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
2358 WLAN_EID_TSF_REQUEST = 91,
2359 WLAN_EID_TSF_RESPOSNE = 92,
2360 WLAN_EID_WNM_SLEEP_MODE = 93,
2361 WLAN_EID_TIM_BCAST_REQ = 94,
2362 WLAN_EID_TIM_BCAST_RESP = 95,
2363 WLAN_EID_COLL_IF_REPORT = 96,
2364 WLAN_EID_CHANNEL_USAGE = 97,
2365 WLAN_EID_TIME_ZONE = 98,
2366 WLAN_EID_DMS_REQUEST = 99,
2367 WLAN_EID_DMS_RESPONSE = 100,
2368 WLAN_EID_LINK_ID = 101,
2369 WLAN_EID_WAKEUP_SCHEDUL = 102,
2370 /* 103 reserved */
2371 WLAN_EID_CHAN_SWITCH_TIMING = 104,
2372 WLAN_EID_PTI_CONTROL = 105,
2373 WLAN_EID_PU_BUFFER_STATUS = 106,
2374 WLAN_EID_INTERWORKING = 107,
2375 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
2376 WLAN_EID_EXPEDITED_BW_REQ = 109,
2377 WLAN_EID_QOS_MAP_SET = 110,
2378 WLAN_EID_ROAMING_CONSORTIUM = 111,
2379 WLAN_EID_EMERGENCY_ALERT = 112,
2380 WLAN_EID_MESH_CONFIG = 113,
2381 WLAN_EID_MESH_ID = 114,
2382 WLAN_EID_LINK_METRIC_REPORT = 115,
2383 WLAN_EID_CONGESTION_NOTIFICATION = 116,
2384 WLAN_EID_PEER_MGMT = 117,
2385 WLAN_EID_CHAN_SWITCH_PARAM = 118,
2386 WLAN_EID_MESH_AWAKE_WINDOW = 119,
2387 WLAN_EID_BEACON_TIMING = 120,
2388 WLAN_EID_MCCAOP_SETUP_REQ = 121,
2389 WLAN_EID_MCCAOP_SETUP_RESP = 122,
2390 WLAN_EID_MCCAOP_ADVERT = 123,
2391 WLAN_EID_MCCAOP_TEARDOWN = 124,
2392 WLAN_EID_GANN = 125,
2393 WLAN_EID_RANN = 126,
2394 WLAN_EID_EXT_CAPABILITY = 127,
2395 /* 128, 129 reserved for Agere */
2396 WLAN_EID_PREQ = 130,
2397 WLAN_EID_PREP = 131,
2398 WLAN_EID_PERR = 132,
2399 /* 133-136 reserved for Cisco */
2400 WLAN_EID_PXU = 137,
2401 WLAN_EID_PXUC = 138,
2402 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
2403 WLAN_EID_MIC = 140,
2404 WLAN_EID_DESTINATION_URI = 141,
2405 WLAN_EID_UAPSD_COEX = 142,
2406 WLAN_EID_WAKEUP_SCHEDULE = 143,
2407 WLAN_EID_EXT_SCHEDULE = 144,
2408 WLAN_EID_STA_AVAILABILITY = 145,
2409 WLAN_EID_DMG_TSPEC = 146,
2410 WLAN_EID_DMG_AT = 147,
2411 WLAN_EID_DMG_CAP = 148,
2412 /* 149 reserved for Cisco */
2413 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
2414 WLAN_EID_DMG_OPERATION = 151,
2415 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
2416 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
2417 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
2418 /* 155-156 reserved for Cisco */
2419 WLAN_EID_AWAKE_WINDOW = 157,
2420 WLAN_EID_MULTI_BAND = 158,
2421 WLAN_EID_ADDBA_EXT = 159,
2422 WLAN_EID_NEXT_PCP_LIST = 160,
2423 WLAN_EID_PCP_HANDOVER = 161,
2424 WLAN_EID_DMG_LINK_MARGIN = 162,
2425 WLAN_EID_SWITCHING_STREAM = 163,
2426 WLAN_EID_SESSION_TRANSITION = 164,
2427 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
2428 WLAN_EID_CLUSTER_REPORT = 166,
2429 WLAN_EID_RELAY_CAP = 167,
2430 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
2431 WLAN_EID_BEAM_LINK_MAINT = 169,
2432 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
2433 WLAN_EID_U_PID = 171,
2434 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
2435 /* 173 reserved for Symbol */
2436 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
2437 WLAN_EID_QUIET_PERIOD_REQ = 175,
2438 /* 176 reserved for Symbol */
2439 WLAN_EID_QUIET_PERIOD_RESP = 177,
2440 /* 178-179 reserved for Symbol */
2441 /* 180 reserved for ISO/IEC 20011 */
2442 WLAN_EID_EPAC_POLICY = 182,
2443 WLAN_EID_CLISTER_TIME_OFF = 183,
2444 WLAN_EID_INTER_AC_PRIO = 184,
2445 WLAN_EID_SCS_DESCRIPTOR = 185,
2446 WLAN_EID_QLOAD_REPORT = 186,
2447 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
2448 WLAN_EID_HL_STREAM_ID = 188,
2449 WLAN_EID_GCR_GROUP_ADDR = 189,
2450 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
2451 WLAN_EID_VHT_CAPABILITY = 191,
2452 WLAN_EID_VHT_OPERATION = 192,
2453 WLAN_EID_EXTENDED_BSS_LOAD = 193,
2454 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
2455 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
2456 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
2457 WLAN_EID_AID = 197,
2458 WLAN_EID_QUIET_CHANNEL = 198,
2459 WLAN_EID_OPMODE_NOTIF = 199,
2460
2461 WLAN_EID_VENDOR_SPECIFIC = 221,
2462 WLAN_EID_QOS_PARAMETER = 222,
2463 WLAN_EID_CAG_NUMBER = 237,
2464 WLAN_EID_AP_CSN = 239,
2465 WLAN_EID_FILS_INDICATION = 240,
2466 WLAN_EID_DILS = 241,
2467 WLAN_EID_FRAGMENT = 242,
2468 WLAN_EID_EXTENSION = 255
2469};
2470
2471/* Element ID Extensions for Element ID 255 */
2472enum ieee80211_eid_ext {
2473 WLAN_EID_EXT_ASSOC_DELAY_INFO = 1,
2474 WLAN_EID_EXT_FILS_REQ_PARAMS = 2,
2475 WLAN_EID_EXT_FILS_KEY_CONFIRM = 3,
2476 WLAN_EID_EXT_FILS_SESSION = 4,
2477 WLAN_EID_EXT_FILS_HLP_CONTAINER = 5,
2478 WLAN_EID_EXT_FILS_IP_ADDR_ASSIGN = 6,
2479 WLAN_EID_EXT_KEY_DELIVERY = 7,
2480 WLAN_EID_EXT_FILS_WRAPPED_DATA = 8,
2481 WLAN_EID_EXT_FILS_PUBLIC_KEY = 12,
2482 WLAN_EID_EXT_FILS_NONCE = 13,
2483 WLAN_EID_EXT_FUTURE_CHAN_GUIDANCE = 14,
2484 WLAN_EID_EXT_HE_CAPABILITY = 35,
2485 WLAN_EID_EXT_HE_OPERATION = 36,
2486 WLAN_EID_EXT_UORA = 37,
2487 WLAN_EID_EXT_HE_MU_EDCA = 38,
2488 WLAN_EID_EXT_MAX_CHANNEL_SWITCH_TIME = 52,
2489 WLAN_EID_EXT_MULTIPLE_BSSID_CONFIGURATION = 55,
2490};
2491
2492/* Action category code */
2493enum ieee80211_category {
2494 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2495 WLAN_CATEGORY_QOS = 1,
2496 WLAN_CATEGORY_DLS = 2,
2497 WLAN_CATEGORY_BACK = 3,
2498 WLAN_CATEGORY_PUBLIC = 4,
2499 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2500 WLAN_CATEGORY_HT = 7,
2501 WLAN_CATEGORY_SA_QUERY = 8,
2502 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2503 WLAN_CATEGORY_WNM = 10,
2504 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2505 WLAN_CATEGORY_TDLS = 12,
2506 WLAN_CATEGORY_MESH_ACTION = 13,
2507 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2508 WLAN_CATEGORY_SELF_PROTECTED = 15,
2509 WLAN_CATEGORY_DMG = 16,
2510 WLAN_CATEGORY_WMM = 17,
2511 WLAN_CATEGORY_FST = 18,
2512 WLAN_CATEGORY_UNPROT_DMG = 20,
2513 WLAN_CATEGORY_VHT = 21,
2514 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2515 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2516};
2517
2518/* SPECTRUM_MGMT action code */
2519enum ieee80211_spectrum_mgmt_actioncode {
2520 WLAN_ACTION_SPCT_MSR_REQ = 0,
2521 WLAN_ACTION_SPCT_MSR_RPRT = 1,
2522 WLAN_ACTION_SPCT_TPC_REQ = 2,
2523 WLAN_ACTION_SPCT_TPC_RPRT = 3,
2524 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2525};
2526
2527/* HT action codes */
2528enum ieee80211_ht_actioncode {
2529 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2530 WLAN_HT_ACTION_SMPS = 1,
2531 WLAN_HT_ACTION_PSMP = 2,
2532 WLAN_HT_ACTION_PCO_PHASE = 3,
2533 WLAN_HT_ACTION_CSI = 4,
2534 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2535 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2536 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2537};
2538
2539/* VHT action codes */
2540enum ieee80211_vht_actioncode {
2541 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2542 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2543 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2544};
2545
2546/* Self Protected Action codes */
2547enum ieee80211_self_protected_actioncode {
2548 WLAN_SP_RESERVED = 0,
2549 WLAN_SP_MESH_PEERING_OPEN = 1,
2550 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2551 WLAN_SP_MESH_PEERING_CLOSE = 3,
2552 WLAN_SP_MGK_INFORM = 4,
2553 WLAN_SP_MGK_ACK = 5,
2554};
2555
2556/* Mesh action codes */
2557enum ieee80211_mesh_actioncode {
2558 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2559 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2560 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2561 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2562 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2563 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2564 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2565 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2566 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2567 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2568 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2569};
2570
2571/* Security key length */
2572enum ieee80211_key_len {
2573 WLAN_KEY_LEN_WEP40 = 5,
2574 WLAN_KEY_LEN_WEP104 = 13,
2575 WLAN_KEY_LEN_CCMP = 16,
2576 WLAN_KEY_LEN_CCMP_256 = 32,
2577 WLAN_KEY_LEN_TKIP = 32,
2578 WLAN_KEY_LEN_AES_CMAC = 16,
2579 WLAN_KEY_LEN_SMS4 = 32,
2580 WLAN_KEY_LEN_GCMP = 16,
2581 WLAN_KEY_LEN_GCMP_256 = 32,
2582 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2583 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2584 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2585};
2586
2587#define IEEE80211_WEP_IV_LEN 4
2588#define IEEE80211_WEP_ICV_LEN 4
2589#define IEEE80211_CCMP_HDR_LEN 8
2590#define IEEE80211_CCMP_MIC_LEN 8
2591#define IEEE80211_CCMP_PN_LEN 6
2592#define IEEE80211_CCMP_256_HDR_LEN 8
2593#define IEEE80211_CCMP_256_MIC_LEN 16
2594#define IEEE80211_CCMP_256_PN_LEN 6
2595#define IEEE80211_TKIP_IV_LEN 8
2596#define IEEE80211_TKIP_ICV_LEN 4
2597#define IEEE80211_CMAC_PN_LEN 6
2598#define IEEE80211_GMAC_PN_LEN 6
2599#define IEEE80211_GCMP_HDR_LEN 8
2600#define IEEE80211_GCMP_MIC_LEN 16
2601#define IEEE80211_GCMP_PN_LEN 6
2602
2603#define FILS_NONCE_LEN 16
2604#define FILS_MAX_KEK_LEN 64
2605
2606#define FILS_ERP_MAX_USERNAME_LEN 16
2607#define FILS_ERP_MAX_REALM_LEN 253
2608#define FILS_ERP_MAX_RRK_LEN 64
2609
2610#define PMK_MAX_LEN 64
2611
2612/* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2613enum ieee80211_pub_actioncode {
2614 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2615 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2616 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2617 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2618 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2619 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2620 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2621 WLAN_PUB_ACTION_MSMT_PILOT = 7,
2622 WLAN_PUB_ACTION_DSE_PC = 8,
2623 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2624 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2625 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2626 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2627 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2628 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2629 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2630 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2631 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2632 WLAN_PUB_ACTION_QMF_POLICY = 18,
2633 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2634 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2635 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2636 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2637 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2638 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2639 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2640 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2641 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2642 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2643 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2644 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2645 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2646 WLAN_PUB_ACTION_FTM_REQUEST = 32,
2647 WLAN_PUB_ACTION_FTM = 33,
2648 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2649};
2650
2651/* TDLS action codes */
2652enum ieee80211_tdls_actioncode {
2653 WLAN_TDLS_SETUP_REQUEST = 0,
2654 WLAN_TDLS_SETUP_RESPONSE = 1,
2655 WLAN_TDLS_SETUP_CONFIRM = 2,
2656 WLAN_TDLS_TEARDOWN = 3,
2657 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2658 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2659 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2660 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2661 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2662 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2663 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2664};
2665
2666/* Extended Channel Switching capability to be set in the 1st byte of
2667 * the @WLAN_EID_EXT_CAPABILITY information element
2668 */
2669#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2670
2671/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2672 * @WLAN_EID_EXT_CAPABILITY information element
2673 */
2674#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
2675
2676/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2677#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2678#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2679#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2680
2681/* Interworking capabilities are set in 7th bit of 4th byte of the
2682 * @WLAN_EID_EXT_CAPABILITY information element
2683 */
2684#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2685
2686/*
2687 * TDLS capabililites to be enabled in the 5th byte of the
2688 * @WLAN_EID_EXT_CAPABILITY information element
2689 */
2690#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2691#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2692#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
2693
2694#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
2695#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2696
2697/* Defines the maximal number of MSDUs in an A-MSDU. */
2698#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2699#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2700
2701/*
2702 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2703 * information element
2704 */
2705#define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2706
2707/* Defines support for TWT Requester and TWT Responder */
2708#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
2709#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
2710
2711/* Defines support for enhanced multi-bssid advertisement*/
2712#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
2713
2714/* TDLS specific payload type in the LLC/SNAP header */
2715#define WLAN_TDLS_SNAP_RFTYPE 0x2
2716
2717/* BSS Coex IE information field bits */
2718#define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2719
2720/**
2721 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2722 *
2723 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2724 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2725 * that will be specified in a vendor specific information element
2726 */
2727enum ieee80211_mesh_sync_method {
2728 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2729 IEEE80211_SYNC_METHOD_VENDOR = 255,
2730};
2731
2732/**
2733 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2734 *
2735 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2736 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2737 * be specified in a vendor specific information element
2738 */
2739enum ieee80211_mesh_path_protocol {
2740 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2741 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2742};
2743
2744/**
2745 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2746 *
2747 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2748 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2749 * specified in a vendor specific information element
2750 */
2751enum ieee80211_mesh_path_metric {
2752 IEEE80211_PATH_METRIC_AIRTIME = 1,
2753 IEEE80211_PATH_METRIC_VENDOR = 255,
2754};
2755
2756/**
2757 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2758 *
2759 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2760 *
2761 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2762 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2763 * this value
2764 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2765 * the proactive PREQ with proactive PREP subfield set to 0
2766 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2767 * supports the proactive PREQ with proactive PREP subfield set to 1
2768 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2769 * the proactive RANN
2770 */
2771enum ieee80211_root_mode_identifier {
2772 IEEE80211_ROOTMODE_NO_ROOT = 0,
2773 IEEE80211_ROOTMODE_ROOT = 1,
2774 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2775 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2776 IEEE80211_PROACTIVE_RANN = 4,
2777};
2778
2779/*
2780 * IEEE 802.11-2007 7.3.2.9 Country information element
2781 *
2782 * Minimum length is 8 octets, ie len must be evenly
2783 * divisible by 2
2784 */
2785
2786/* Although the spec says 8 I'm seeing 6 in practice */
2787#define IEEE80211_COUNTRY_IE_MIN_LEN 6
2788
2789/* The Country String field of the element shall be 3 octets in length */
2790#define IEEE80211_COUNTRY_STRING_LEN 3
2791
2792/*
2793 * For regulatory extension stuff see IEEE 802.11-2007
2794 * Annex I (page 1141) and Annex J (page 1147). Also
2795 * review 7.3.2.9.
2796 *
2797 * When dot11RegulatoryClassesRequired is true and the
2798 * first_channel/reg_extension_id is >= 201 then the IE
2799 * compromises of the 'ext' struct represented below:
2800 *
2801 * - Regulatory extension ID - when generating IE this just needs
2802 * to be monotonically increasing for each triplet passed in
2803 * the IE
2804 * - Regulatory class - index into set of rules
2805 * - Coverage class - index into air propagation time (Table 7-27),
2806 * in microseconds, you can compute the air propagation time from
2807 * the index by multiplying by 3, so index 10 yields a propagation
2808 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2809 * yet. A value of 0 inicates air propagation of <= 1 us.
2810 *
2811 * See also Table I.2 for Emission limit sets and table
2812 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2813 * a reg_class to an emission limit set and behavior limit set.
2814 */
2815#define IEEE80211_COUNTRY_EXTENSION_ID 201
2816
2817/*
2818 * Channels numbers in the IE must be monotonically increasing
2819 * if dot11RegulatoryClassesRequired is not true.
2820 *
2821 * If dot11RegulatoryClassesRequired is true consecutive
2822 * subband triplets following a regulatory triplet shall
2823 * have monotonically increasing first_channel number fields.
2824 *
2825 * Channel numbers shall not overlap.
2826 *
2827 * Note that max_power is signed.
2828 */
2829struct ieee80211_country_ie_triplet {
2830 union {
2831 struct {
2832 u8 first_channel;
2833 u8 num_channels;
2834 s8 max_power;
2835 } __packed chans;
2836 struct {
2837 u8 reg_extension_id;
2838 u8 reg_class;
2839 u8 coverage_class;
2840 } __packed ext;
2841 };
2842} __packed;
2843
2844enum ieee80211_timeout_interval_type {
2845 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2846 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2847 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2848};
2849
2850/**
2851 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2852 * @type: type, see &enum ieee80211_timeout_interval_type
2853 * @value: timeout interval value
2854 */
2855struct ieee80211_timeout_interval_ie {
2856 u8 type;
2857 __le32 value;
2858} __packed;
2859
2860/**
2861 * enum ieee80211_idle_options - BSS idle options
2862 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2863 * protected frame to the AP to reset the idle timer at the AP for
2864 * the station.
2865 */
2866enum ieee80211_idle_options {
2867 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2868};
2869
2870/**
2871 * struct ieee80211_bss_max_idle_period_ie
2872 *
2873 * This structure refers to "BSS Max idle period element"
2874 *
2875 * @max_idle_period: indicates the time period during which a station can
2876 * refrain from transmitting frames to its associated AP without being
2877 * disassociated. In units of 1000 TUs.
2878 * @idle_options: indicates the options associated with the BSS idle capability
2879 * as specified in &enum ieee80211_idle_options.
2880 */
2881struct ieee80211_bss_max_idle_period_ie {
2882 __le16 max_idle_period;
2883 u8 idle_options;
2884} __packed;
2885
2886/* BACK action code */
2887enum ieee80211_back_actioncode {
2888 WLAN_ACTION_ADDBA_REQ = 0,
2889 WLAN_ACTION_ADDBA_RESP = 1,
2890 WLAN_ACTION_DELBA = 2,
2891};
2892
2893/* BACK (block-ack) parties */
2894enum ieee80211_back_parties {
2895 WLAN_BACK_RECIPIENT = 0,
2896 WLAN_BACK_INITIATOR = 1,
2897};
2898
2899/* SA Query action */
2900enum ieee80211_sa_query_action {
2901 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2902 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2903};
2904
2905/**
2906 * struct ieee80211_bssid_index
2907 *
2908 * This structure refers to "Multiple BSSID-index element"
2909 *
2910 * @bssid_index: BSSID index
2911 * @dtim_period: optional, overrides transmitted BSS dtim period
2912 * @dtim_count: optional, overrides transmitted BSS dtim count
2913 */
2914struct ieee80211_bssid_index {
2915 u8 bssid_index;
2916 u8 dtim_period;
2917 u8 dtim_count;
2918};
2919
2920/**
2921 * struct ieee80211_multiple_bssid_configuration
2922 *
2923 * This structure refers to "Multiple BSSID Configuration element"
2924 *
2925 * @bssid_count: total number of active BSSIDs in the set
2926 * @profile_periodicity: the least number of beacon frames need to be received
2927 * in order to discover all the nontransmitted BSSIDs in the set.
2928 */
2929struct ieee80211_multiple_bssid_configuration {
2930 u8 bssid_count;
2931 u8 profile_periodicity;
2932};
2933
2934#define SUITE(oui, id) (((oui) << 8) | (id))
2935
2936/* cipher suite selectors */
2937#define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
2938#define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
2939#define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
2940/* reserved: SUITE(0x000FAC, 3) */
2941#define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
2942#define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
2943#define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
2944#define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
2945#define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
2946#define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
2947#define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
2948#define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
2949#define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
2950
2951#define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
2952
2953/* AKM suite selectors */
2954#define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
2955#define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
2956#define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
2957#define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
2958#define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
2959#define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
2960#define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
2961#define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
2962#define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
2963#define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
2964#define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
2965#define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
2966#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
2967#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
2968#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
2969
2970#define WLAN_MAX_KEY_LEN 32
2971
2972#define WLAN_PMK_NAME_LEN 16
2973#define WLAN_PMKID_LEN 16
2974#define WLAN_PMK_LEN_EAP_LEAP 16
2975#define WLAN_PMK_LEN 32
2976#define WLAN_PMK_LEN_SUITE_B_192 48
2977
2978#define WLAN_OUI_WFA 0x506f9a
2979#define WLAN_OUI_TYPE_WFA_P2P 9
2980#define WLAN_OUI_MICROSOFT 0x0050f2
2981#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2982#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2983#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2984#define WLAN_OUI_TYPE_MICROSOFT_TPC 8
2985
2986/*
2987 * WMM/802.11e Tspec Element
2988 */
2989#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2990#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2991
2992enum ieee80211_tspec_status_code {
2993 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2994 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2995};
2996
2997struct ieee80211_tspec_ie {
2998 u8 element_id;
2999 u8 len;
3000 u8 oui[3];
3001 u8 oui_type;
3002 u8 oui_subtype;
3003 u8 version;
3004 __le16 tsinfo;
3005 u8 tsinfo_resvd;
3006 __le16 nominal_msdu;
3007 __le16 max_msdu;
3008 __le32 min_service_int;
3009 __le32 max_service_int;
3010 __le32 inactivity_int;
3011 __le32 suspension_int;
3012 __le32 service_start_time;
3013 __le32 min_data_rate;
3014 __le32 mean_data_rate;
3015 __le32 peak_data_rate;
3016 __le32 max_burst_size;
3017 __le32 delay_bound;
3018 __le32 min_phy_rate;
3019 __le16 sba;
3020 __le16 medium_time;
3021} __packed;
3022
3023/**
3024 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3025 * @hdr: the frame
3026 *
3027 * The qos ctrl bytes come after the frame_control, duration, seq_num
3028 * and 3 or 4 addresses of length ETH_ALEN.
3029 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3030 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3031 */
3032static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3033{
3034 if (ieee80211_has_a4(hdr->frame_control))
3035 return (u8 *)hdr + 30;
3036 else
3037 return (u8 *)hdr + 24;
3038}
3039
3040/**
3041 * ieee80211_get_tid - get qos TID
3042 * @hdr: the frame
3043 */
3044static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3045{
3046 u8 *qc = ieee80211_get_qos_ctl(hdr);
3047
3048 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3049}
3050
3051/**
3052 * ieee80211_get_SA - get pointer to SA
3053 * @hdr: the frame
3054 *
3055 * Given an 802.11 frame, this function returns the offset
3056 * to the source address (SA). It does not verify that the
3057 * header is long enough to contain the address, and the
3058 * header must be long enough to contain the frame control
3059 * field.
3060 */
3061static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3062{
3063 if (ieee80211_has_a4(hdr->frame_control))
3064 return hdr->addr4;
3065 if (ieee80211_has_fromds(hdr->frame_control))
3066 return hdr->addr3;
3067 return hdr->addr2;
3068}
3069
3070/**
3071 * ieee80211_get_DA - get pointer to DA
3072 * @hdr: the frame
3073 *
3074 * Given an 802.11 frame, this function returns the offset
3075 * to the destination address (DA). It does not verify that
3076 * the header is long enough to contain the address, and the
3077 * header must be long enough to contain the frame control
3078 * field.
3079 */
3080static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3081{
3082 if (ieee80211_has_tods(hdr->frame_control))
3083 return hdr->addr3;
3084 else
3085 return hdr->addr1;
3086}
3087
3088/**
3089 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3090 * @hdr: the frame (buffer must include at least the first octet of payload)
3091 */
3092static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3093{
3094 if (ieee80211_is_disassoc(hdr->frame_control) ||
3095 ieee80211_is_deauth(hdr->frame_control))
3096 return true;
3097
3098 if (ieee80211_is_action(hdr->frame_control)) {
3099 u8 *category;
3100
3101 /*
3102 * Action frames, excluding Public Action frames, are Robust
3103 * Management Frames. However, if we are looking at a Protected
3104 * frame, skip the check since the data may be encrypted and
3105 * the frame has already been found to be a Robust Management
3106 * Frame (by the other end).
3107 */
3108 if (ieee80211_has_protected(hdr->frame_control))
3109 return true;
3110 category = ((u8 *) hdr) + 24;
3111 return *category != WLAN_CATEGORY_PUBLIC &&
3112 *category != WLAN_CATEGORY_HT &&
3113 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3114 *category != WLAN_CATEGORY_SELF_PROTECTED &&
3115 *category != WLAN_CATEGORY_UNPROT_DMG &&
3116 *category != WLAN_CATEGORY_VHT &&
3117 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3118 }
3119
3120 return false;
3121}
3122
3123/**
3124 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3125 * @skb: the skb containing the frame, length will be checked
3126 */
3127static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3128{
3129 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3130 return false;
3131 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3132}
3133
3134/**
3135 * ieee80211_is_public_action - check if frame is a public action frame
3136 * @hdr: the frame
3137 * @len: length of the frame
3138 */
3139static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3140 size_t len)
3141{
3142 struct ieee80211_mgmt *mgmt = (void *)hdr;
3143
3144 if (len < IEEE80211_MIN_ACTION_SIZE)
3145 return false;
3146 if (!ieee80211_is_action(hdr->frame_control))
3147 return false;
3148 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3149}
3150
3151/**
3152 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3153 * privacy action frame
3154 * @hdr: the frame
3155 */
3156static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3157{
3158 struct ieee80211_mgmt *mgmt = (void *)hdr;
3159
3160 if (!ieee80211_is_action(hdr->frame_control) ||
3161 !is_multicast_ether_addr(hdr->addr1))
3162 return false;
3163
3164 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3165 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3166}
3167
3168/**
3169 * ieee80211_is_group_privacy_action - check if frame is a group addressed
3170 * privacy action frame
3171 * @skb: the skb containing the frame, length will be checked
3172 */
3173static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3174{
3175 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3176 return false;
3177 return _ieee80211_is_group_privacy_action((void *)skb->data);
3178}
3179
3180/**
3181 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3182 * @tu: the TUs
3183 */
3184static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3185{
3186 return 1024 * tu;
3187}
3188
3189/**
3190 * ieee80211_check_tim - check if AID bit is set in TIM
3191 * @tim: the TIM IE
3192 * @tim_len: length of the TIM IE
3193 * @aid: the AID to look for
3194 */
3195static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3196 u8 tim_len, u16 aid)
3197{
3198 u8 mask;
3199 u8 index, indexn1, indexn2;
3200
3201 if (unlikely(!tim || tim_len < sizeof(*tim)))
3202 return false;
3203
3204 aid &= 0x3fff;
3205 index = aid / 8;
3206 mask = 1 << (aid & 7);
3207
3208 indexn1 = tim->bitmap_ctrl & 0xfe;
3209 indexn2 = tim_len + indexn1 - 4;
3210
3211 if (index < indexn1 || index > indexn2)
3212 return false;
3213
3214 index -= indexn1;
3215
3216 return !!(tim->virtual_map[index] & mask);
3217}
3218
3219/**
3220 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3221 * @skb: the skb containing the frame, length will not be checked
3222 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3223 *
3224 * This function assumes the frame is a data frame, and that the network header
3225 * is in the correct place.
3226 */
3227static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3228{
3229 if (!skb_is_nonlinear(skb) &&
3230 skb->len > (skb_network_offset(skb) + 2)) {
3231 /* Point to where the indication of TDLS should start */
3232 const u8 *tdls_data = skb_network_header(skb) - 2;
3233
3234 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3235 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3236 tdls_data[3] == WLAN_CATEGORY_TDLS)
3237 return tdls_data[4];
3238 }
3239
3240 return -1;
3241}
3242
3243/* convert time units */
3244#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
3245#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
3246
3247/**
3248 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3249 * @skb: the skb containing the frame, length will be checked
3250 *
3251 * This function checks if it's either TPC report action frame or Link
3252 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3253 * and 8.5.7.5 accordingly.
3254 */
3255static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3256{
3257 struct ieee80211_mgmt *mgmt = (void *)skb->data;
3258
3259 if (!ieee80211_is_action(mgmt->frame_control))
3260 return false;
3261
3262 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3263 sizeof(mgmt->u.action.u.tpc_report))
3264 return false;
3265
3266 /*
3267 * TPC report - check that:
3268 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3269 * spectrum management action = 3 (TPC/Link Measurement report)
3270 * TPC report EID = 35
3271 * TPC report element length = 2
3272 *
3273 * The spectrum management's tpc_report struct is used here both for
3274 * parsing tpc_report and radio measurement's link measurement report
3275 * frame, since the relevant part is identical in both frames.
3276 */
3277 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3278 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3279 return false;
3280
3281 /* both spectrum mgmt and link measurement have same action code */
3282 if (mgmt->u.action.u.tpc_report.action_code !=
3283 WLAN_ACTION_SPCT_TPC_RPRT)
3284 return false;
3285
3286 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3287 mgmt->u.action.u.tpc_report.tpc_elem_length !=
3288 sizeof(struct ieee80211_tpc_report_ie))
3289 return false;
3290
3291 return true;
3292}
3293
3294struct element {
3295 u8 id;
3296 u8 datalen;
3297 u8 data[];
3298} __packed;
3299
3300/* element iteration helpers */
3301#define for_each_element(_elem, _data, _datalen) \
3302 for (_elem = (const struct element *)(_data); \
3303 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3304 (int)sizeof(*_elem) && \
3305 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3306 (int)sizeof(*_elem) + _elem->datalen; \
3307 _elem = (const struct element *)(_elem->data + _elem->datalen))
3308
3309#define for_each_element_id(element, _id, data, datalen) \
3310 for_each_element(element, data, datalen) \
3311 if (element->id == (_id))
3312
3313#define for_each_element_extid(element, extid, _data, _datalen) \
3314 for_each_element(element, _data, _datalen) \
3315 if (element->id == WLAN_EID_EXTENSION && \
3316 element->datalen > 0 && \
3317 element->data[0] == (extid))
3318
3319#define for_each_subelement(sub, element) \
3320 for_each_element(sub, (element)->data, (element)->datalen)
3321
3322#define for_each_subelement_id(sub, id, element) \
3323 for_each_element_id(sub, id, (element)->data, (element)->datalen)
3324
3325#define for_each_subelement_extid(sub, extid, element) \
3326 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3327
3328/**
3329 * for_each_element_completed - determine if element parsing consumed all data
3330 * @element: element pointer after for_each_element() or friends
3331 * @data: same data pointer as passed to for_each_element() or friends
3332 * @datalen: same data length as passed to for_each_element() or friends
3333 *
3334 * This function returns %true if all the data was parsed or considered
3335 * while walking the elements. Only use this if your for_each_element()
3336 * loop cannot be broken out of, otherwise it always returns %false.
3337 *
3338 * If some data was malformed, this returns %false since the last parsed
3339 * element will not fill the whole remaining data.
3340 */
3341static inline bool for_each_element_completed(const struct element *element,
3342 const void *data, size_t datalen)
3343{
3344 return (const u8 *)element == (const u8 *)data + datalen;
3345}
3346
3347#endif /* LINUX_IEEE80211_H */
3348