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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * IEEE 802.11 defines
4 *
5 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
6 * <jkmaline@cc.hut.fi>
7 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
8 * Copyright (c) 2005, Devicescape Software, Inc.
9 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
10 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * Copyright (c) 2016 - 2017 Intel Deutschland GmbH
12 * Copyright (c) 2018 - 2019 Intel Corporation
13 */
14
15#ifndef LINUX_IEEE80211_H
16#define LINUX_IEEE80211_H
17
18#include <linux/types.h>
19#include <linux/if_ether.h>
20#include <linux/etherdevice.h>
21#include <asm/byteorder.h>
22#include <asm/unaligned.h>
23
24/*
25 * DS bit usage
26 *
27 * TA = transmitter address
28 * RA = receiver address
29 * DA = destination address
30 * SA = source address
31 *
32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
33 * -----------------------------------------------------------------
34 * 0 0 DA SA BSSID - IBSS/DLS
35 * 0 1 DA BSSID SA - AP -> STA
36 * 1 0 BSSID SA DA - AP <- STA
37 * 1 1 RA TA DA SA unspecified (WDS)
38 */
39
40#define FCS_LEN 4
41
42#define IEEE80211_FCTL_VERS 0x0003
43#define IEEE80211_FCTL_FTYPE 0x000c
44#define IEEE80211_FCTL_STYPE 0x00f0
45#define IEEE80211_FCTL_TODS 0x0100
46#define IEEE80211_FCTL_FROMDS 0x0200
47#define IEEE80211_FCTL_MOREFRAGS 0x0400
48#define IEEE80211_FCTL_RETRY 0x0800
49#define IEEE80211_FCTL_PM 0x1000
50#define IEEE80211_FCTL_MOREDATA 0x2000
51#define IEEE80211_FCTL_PROTECTED 0x4000
52#define IEEE80211_FCTL_ORDER 0x8000
53#define IEEE80211_FCTL_CTL_EXT 0x0f00
54
55#define IEEE80211_SCTL_FRAG 0x000F
56#define IEEE80211_SCTL_SEQ 0xFFF0
57
58#define IEEE80211_FTYPE_MGMT 0x0000
59#define IEEE80211_FTYPE_CTL 0x0004
60#define IEEE80211_FTYPE_DATA 0x0008
61#define IEEE80211_FTYPE_EXT 0x000c
62
63/* management */
64#define IEEE80211_STYPE_ASSOC_REQ 0x0000
65#define IEEE80211_STYPE_ASSOC_RESP 0x0010
66#define IEEE80211_STYPE_REASSOC_REQ 0x0020
67#define IEEE80211_STYPE_REASSOC_RESP 0x0030
68#define IEEE80211_STYPE_PROBE_REQ 0x0040
69#define IEEE80211_STYPE_PROBE_RESP 0x0050
70#define IEEE80211_STYPE_BEACON 0x0080
71#define IEEE80211_STYPE_ATIM 0x0090
72#define IEEE80211_STYPE_DISASSOC 0x00A0
73#define IEEE80211_STYPE_AUTH 0x00B0
74#define IEEE80211_STYPE_DEAUTH 0x00C0
75#define IEEE80211_STYPE_ACTION 0x00D0
76
77/* control */
78#define IEEE80211_STYPE_CTL_EXT 0x0060
79#define IEEE80211_STYPE_BACK_REQ 0x0080
80#define IEEE80211_STYPE_BACK 0x0090
81#define IEEE80211_STYPE_PSPOLL 0x00A0
82#define IEEE80211_STYPE_RTS 0x00B0
83#define IEEE80211_STYPE_CTS 0x00C0
84#define IEEE80211_STYPE_ACK 0x00D0
85#define IEEE80211_STYPE_CFEND 0x00E0
86#define IEEE80211_STYPE_CFENDACK 0x00F0
87
88/* data */
89#define IEEE80211_STYPE_DATA 0x0000
90#define IEEE80211_STYPE_DATA_CFACK 0x0010
91#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
92#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
93#define IEEE80211_STYPE_NULLFUNC 0x0040
94#define IEEE80211_STYPE_CFACK 0x0050
95#define IEEE80211_STYPE_CFPOLL 0x0060
96#define IEEE80211_STYPE_CFACKPOLL 0x0070
97#define IEEE80211_STYPE_QOS_DATA 0x0080
98#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
99#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
100#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
101#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
102#define IEEE80211_STYPE_QOS_CFACK 0x00D0
103#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
104#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
105
106/* extension, added by 802.11ad */
107#define IEEE80211_STYPE_DMG_BEACON 0x0000
108
109/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
110#define IEEE80211_CTL_EXT_POLL 0x2000
111#define IEEE80211_CTL_EXT_SPR 0x3000
112#define IEEE80211_CTL_EXT_GRANT 0x4000
113#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
114#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
115#define IEEE80211_CTL_EXT_SSW 0x8000
116#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
117#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
118
119
120#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
121#define IEEE80211_MAX_SN IEEE80211_SN_MASK
122#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
123
124static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
125{
126 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
127}
128
129static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
130{
131 return (sn1 + sn2) & IEEE80211_SN_MASK;
132}
133
134static inline u16 ieee80211_sn_inc(u16 sn)
135{
136 return ieee80211_sn_add(sn, 1);
137}
138
139static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
140{
141 return (sn1 - sn2) & IEEE80211_SN_MASK;
142}
143
144#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
145#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
146
147/* miscellaneous IEEE 802.11 constants */
148#define IEEE80211_MAX_FRAG_THRESHOLD 2352
149#define IEEE80211_MAX_RTS_THRESHOLD 2353
150#define IEEE80211_MAX_AID 2007
151#define IEEE80211_MAX_TIM_LEN 251
152#define IEEE80211_MAX_MESH_PEERINGS 63
153/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
154 6.2.1.1.2.
155
156 802.11e clarifies the figure in section 7.1.2. The frame body is
157 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
158#define IEEE80211_MAX_DATA_LEN 2304
159/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
160 * to 7920 bytes, see 8.2.3 General frame format
161 */
162#define IEEE80211_MAX_DATA_LEN_DMG 7920
163/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
164#define IEEE80211_MAX_FRAME_LEN 2352
165
166/* Maximal size of an A-MSDU that can be transported in a HT BA session */
167#define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
168
169/* Maximal size of an A-MSDU */
170#define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
171#define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
172
173#define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
174#define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
175#define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
176
177#define IEEE80211_MAX_SSID_LEN 32
178
179#define IEEE80211_MAX_MESH_ID_LEN 32
180
181#define IEEE80211_FIRST_TSPEC_TSID 8
182#define IEEE80211_NUM_TIDS 16
183
184/* number of user priorities 802.11 uses */
185#define IEEE80211_NUM_UPS 8
186/* number of ACs */
187#define IEEE80211_NUM_ACS 4
188
189#define IEEE80211_QOS_CTL_LEN 2
190/* 1d tag mask */
191#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
192/* TID mask */
193#define IEEE80211_QOS_CTL_TID_MASK 0x000f
194/* EOSP */
195#define IEEE80211_QOS_CTL_EOSP 0x0010
196/* ACK policy */
197#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
198#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
199#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
200#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
201#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
202/* A-MSDU 802.11n */
203#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
204/* Mesh Control 802.11s */
205#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
206
207/* Mesh Power Save Level */
208#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
209/* Mesh Receiver Service Period Initiated */
210#define IEEE80211_QOS_CTL_RSPI 0x0400
211
212/* U-APSD queue for WMM IEs sent by AP */
213#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
214#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
215
216/* U-APSD queues for WMM IEs sent by STA */
217#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
218#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
219#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
220#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
221#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
222
223/* U-APSD max SP length for WMM IEs sent by STA */
224#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
225#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
226#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
227#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
228#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
229#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
230
231#define IEEE80211_HT_CTL_LEN 4
232
233struct ieee80211_hdr {
234 __le16 frame_control;
235 __le16 duration_id;
236 u8 addr1[ETH_ALEN];
237 u8 addr2[ETH_ALEN];
238 u8 addr3[ETH_ALEN];
239 __le16 seq_ctrl;
240 u8 addr4[ETH_ALEN];
241} __packed __aligned(2);
242
243struct ieee80211_hdr_3addr {
244 __le16 frame_control;
245 __le16 duration_id;
246 u8 addr1[ETH_ALEN];
247 u8 addr2[ETH_ALEN];
248 u8 addr3[ETH_ALEN];
249 __le16 seq_ctrl;
250} __packed __aligned(2);
251
252struct ieee80211_qos_hdr {
253 __le16 frame_control;
254 __le16 duration_id;
255 u8 addr1[ETH_ALEN];
256 u8 addr2[ETH_ALEN];
257 u8 addr3[ETH_ALEN];
258 __le16 seq_ctrl;
259 __le16 qos_ctrl;
260} __packed __aligned(2);
261
262/**
263 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
264 * @fc: frame control bytes in little-endian byteorder
265 */
266static inline bool ieee80211_has_tods(__le16 fc)
267{
268 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
269}
270
271/**
272 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
273 * @fc: frame control bytes in little-endian byteorder
274 */
275static inline bool ieee80211_has_fromds(__le16 fc)
276{
277 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
278}
279
280/**
281 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
282 * @fc: frame control bytes in little-endian byteorder
283 */
284static inline bool ieee80211_has_a4(__le16 fc)
285{
286 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
287 return (fc & tmp) == tmp;
288}
289
290/**
291 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
292 * @fc: frame control bytes in little-endian byteorder
293 */
294static inline bool ieee80211_has_morefrags(__le16 fc)
295{
296 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
297}
298
299/**
300 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
301 * @fc: frame control bytes in little-endian byteorder
302 */
303static inline bool ieee80211_has_retry(__le16 fc)
304{
305 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
306}
307
308/**
309 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
310 * @fc: frame control bytes in little-endian byteorder
311 */
312static inline bool ieee80211_has_pm(__le16 fc)
313{
314 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
315}
316
317/**
318 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
319 * @fc: frame control bytes in little-endian byteorder
320 */
321static inline bool ieee80211_has_moredata(__le16 fc)
322{
323 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
324}
325
326/**
327 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
328 * @fc: frame control bytes in little-endian byteorder
329 */
330static inline bool ieee80211_has_protected(__le16 fc)
331{
332 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
333}
334
335/**
336 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
337 * @fc: frame control bytes in little-endian byteorder
338 */
339static inline bool ieee80211_has_order(__le16 fc)
340{
341 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
342}
343
344/**
345 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
346 * @fc: frame control bytes in little-endian byteorder
347 */
348static inline bool ieee80211_is_mgmt(__le16 fc)
349{
350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
351 cpu_to_le16(IEEE80211_FTYPE_MGMT);
352}
353
354/**
355 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
356 * @fc: frame control bytes in little-endian byteorder
357 */
358static inline bool ieee80211_is_ctl(__le16 fc)
359{
360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
361 cpu_to_le16(IEEE80211_FTYPE_CTL);
362}
363
364/**
365 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
366 * @fc: frame control bytes in little-endian byteorder
367 */
368static inline bool ieee80211_is_data(__le16 fc)
369{
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
371 cpu_to_le16(IEEE80211_FTYPE_DATA);
372}
373
374/**
375 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
376 * @fc: frame control bytes in little-endian byteorder
377 */
378static inline bool ieee80211_is_data_qos(__le16 fc)
379{
380 /*
381 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
382 * to check the one bit
383 */
384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
385 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
386}
387
388/**
389 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
390 * @fc: frame control bytes in little-endian byteorder
391 */
392static inline bool ieee80211_is_data_present(__le16 fc)
393{
394 /*
395 * mask with 0x40 and test that that bit is clear to only return true
396 * for the data-containing substypes.
397 */
398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
399 cpu_to_le16(IEEE80211_FTYPE_DATA);
400}
401
402/**
403 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
404 * @fc: frame control bytes in little-endian byteorder
405 */
406static inline bool ieee80211_is_assoc_req(__le16 fc)
407{
408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
410}
411
412/**
413 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
414 * @fc: frame control bytes in little-endian byteorder
415 */
416static inline bool ieee80211_is_assoc_resp(__le16 fc)
417{
418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
420}
421
422/**
423 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
424 * @fc: frame control bytes in little-endian byteorder
425 */
426static inline bool ieee80211_is_reassoc_req(__le16 fc)
427{
428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
430}
431
432/**
433 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
434 * @fc: frame control bytes in little-endian byteorder
435 */
436static inline bool ieee80211_is_reassoc_resp(__le16 fc)
437{
438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
439 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
440}
441
442/**
443 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
444 * @fc: frame control bytes in little-endian byteorder
445 */
446static inline bool ieee80211_is_probe_req(__le16 fc)
447{
448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
449 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
450}
451
452/**
453 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
454 * @fc: frame control bytes in little-endian byteorder
455 */
456static inline bool ieee80211_is_probe_resp(__le16 fc)
457{
458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
459 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
460}
461
462/**
463 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
464 * @fc: frame control bytes in little-endian byteorder
465 */
466static inline bool ieee80211_is_beacon(__le16 fc)
467{
468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
469 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
470}
471
472/**
473 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
474 * @fc: frame control bytes in little-endian byteorder
475 */
476static inline bool ieee80211_is_atim(__le16 fc)
477{
478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
479 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
480}
481
482/**
483 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
484 * @fc: frame control bytes in little-endian byteorder
485 */
486static inline bool ieee80211_is_disassoc(__le16 fc)
487{
488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
489 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
490}
491
492/**
493 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
494 * @fc: frame control bytes in little-endian byteorder
495 */
496static inline bool ieee80211_is_auth(__le16 fc)
497{
498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
499 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
500}
501
502/**
503 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
504 * @fc: frame control bytes in little-endian byteorder
505 */
506static inline bool ieee80211_is_deauth(__le16 fc)
507{
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
509 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
510}
511
512/**
513 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
514 * @fc: frame control bytes in little-endian byteorder
515 */
516static inline bool ieee80211_is_action(__le16 fc)
517{
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
520}
521
522/**
523 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
524 * @fc: frame control bytes in little-endian byteorder
525 */
526static inline bool ieee80211_is_back_req(__le16 fc)
527{
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
530}
531
532/**
533 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
534 * @fc: frame control bytes in little-endian byteorder
535 */
536static inline bool ieee80211_is_back(__le16 fc)
537{
538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
540}
541
542/**
543 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
544 * @fc: frame control bytes in little-endian byteorder
545 */
546static inline bool ieee80211_is_pspoll(__le16 fc)
547{
548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
550}
551
552/**
553 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
554 * @fc: frame control bytes in little-endian byteorder
555 */
556static inline bool ieee80211_is_rts(__le16 fc)
557{
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
560}
561
562/**
563 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
564 * @fc: frame control bytes in little-endian byteorder
565 */
566static inline bool ieee80211_is_cts(__le16 fc)
567{
568 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
569 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
570}
571
572/**
573 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
574 * @fc: frame control bytes in little-endian byteorder
575 */
576static inline bool ieee80211_is_ack(__le16 fc)
577{
578 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
579 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
580}
581
582/**
583 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
584 * @fc: frame control bytes in little-endian byteorder
585 */
586static inline bool ieee80211_is_cfend(__le16 fc)
587{
588 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
589 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
590}
591
592/**
593 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
594 * @fc: frame control bytes in little-endian byteorder
595 */
596static inline bool ieee80211_is_cfendack(__le16 fc)
597{
598 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
599 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
600}
601
602/**
603 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
604 * @fc: frame control bytes in little-endian byteorder
605 */
606static inline bool ieee80211_is_nullfunc(__le16 fc)
607{
608 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
609 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
610}
611
612/**
613 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
614 * @fc: frame control bytes in little-endian byteorder
615 */
616static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
617{
618 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
619 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
620}
621
622/**
623 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
624 * @fc: frame control field in little-endian byteorder
625 */
626static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
627{
628 /* IEEE 802.11-2012, definition of "bufferable management frame";
629 * note that this ignores the IBSS special case. */
630 return ieee80211_is_mgmt(fc) &&
631 (ieee80211_is_action(fc) ||
632 ieee80211_is_disassoc(fc) ||
633 ieee80211_is_deauth(fc));
634}
635
636/**
637 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
638 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
639 */
640static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
641{
642 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
643}
644
645/**
646 * ieee80211_is_frag - check if a frame is a fragment
647 * @hdr: 802.11 header of the frame
648 */
649static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
650{
651 return ieee80211_has_morefrags(hdr->frame_control) ||
652 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
653}
654
655struct ieee80211s_hdr {
656 u8 flags;
657 u8 ttl;
658 __le32 seqnum;
659 u8 eaddr1[ETH_ALEN];
660 u8 eaddr2[ETH_ALEN];
661} __packed __aligned(2);
662
663/* Mesh flags */
664#define MESH_FLAGS_AE_A4 0x1
665#define MESH_FLAGS_AE_A5_A6 0x2
666#define MESH_FLAGS_AE 0x3
667#define MESH_FLAGS_PS_DEEP 0x4
668
669/**
670 * enum ieee80211_preq_flags - mesh PREQ element flags
671 *
672 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
673 */
674enum ieee80211_preq_flags {
675 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
676};
677
678/**
679 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
680 *
681 * @IEEE80211_PREQ_TO_FLAG: target only subfield
682 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
683 */
684enum ieee80211_preq_target_flags {
685 IEEE80211_PREQ_TO_FLAG = 1<<0,
686 IEEE80211_PREQ_USN_FLAG = 1<<2,
687};
688
689/**
690 * struct ieee80211_quiet_ie
691 *
692 * This structure refers to "Quiet information element"
693 */
694struct ieee80211_quiet_ie {
695 u8 count;
696 u8 period;
697 __le16 duration;
698 __le16 offset;
699} __packed;
700
701/**
702 * struct ieee80211_msrment_ie
703 *
704 * This structure refers to "Measurement Request/Report information element"
705 */
706struct ieee80211_msrment_ie {
707 u8 token;
708 u8 mode;
709 u8 type;
710 u8 request[0];
711} __packed;
712
713/**
714 * struct ieee80211_channel_sw_ie
715 *
716 * This structure refers to "Channel Switch Announcement information element"
717 */
718struct ieee80211_channel_sw_ie {
719 u8 mode;
720 u8 new_ch_num;
721 u8 count;
722} __packed;
723
724/**
725 * struct ieee80211_ext_chansw_ie
726 *
727 * This structure represents the "Extended Channel Switch Announcement element"
728 */
729struct ieee80211_ext_chansw_ie {
730 u8 mode;
731 u8 new_operating_class;
732 u8 new_ch_num;
733 u8 count;
734} __packed;
735
736/**
737 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
738 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
739 * values here
740 * This structure represents the "Secondary Channel Offset element"
741 */
742struct ieee80211_sec_chan_offs_ie {
743 u8 sec_chan_offs;
744} __packed;
745
746/**
747 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
748 *
749 * This structure represents the "Mesh Channel Switch Paramters element"
750 */
751struct ieee80211_mesh_chansw_params_ie {
752 u8 mesh_ttl;
753 u8 mesh_flags;
754 __le16 mesh_reason;
755 __le16 mesh_pre_value;
756} __packed;
757
758/**
759 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
760 */
761struct ieee80211_wide_bw_chansw_ie {
762 u8 new_channel_width;
763 u8 new_center_freq_seg0, new_center_freq_seg1;
764} __packed;
765
766/**
767 * struct ieee80211_tim
768 *
769 * This structure refers to "Traffic Indication Map information element"
770 */
771struct ieee80211_tim_ie {
772 u8 dtim_count;
773 u8 dtim_period;
774 u8 bitmap_ctrl;
775 /* variable size: 1 - 251 bytes */
776 u8 virtual_map[1];
777} __packed;
778
779/**
780 * struct ieee80211_meshconf_ie
781 *
782 * This structure refers to "Mesh Configuration information element"
783 */
784struct ieee80211_meshconf_ie {
785 u8 meshconf_psel;
786 u8 meshconf_pmetric;
787 u8 meshconf_congest;
788 u8 meshconf_synch;
789 u8 meshconf_auth;
790 u8 meshconf_form;
791 u8 meshconf_cap;
792} __packed;
793
794/**
795 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
796 *
797 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
798 * additional mesh peerings with other mesh STAs
799 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
800 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
801 * is ongoing
802 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
803 * neighbors in deep sleep mode
804 */
805enum mesh_config_capab_flags {
806 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
807 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
808 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
809 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
810};
811
812#define IEEE80211_MESHCONF_FORM_CONNECTED_TO_GATE 0x1
813
814/**
815 * mesh channel switch parameters element's flag indicator
816 *
817 */
818#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
819#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
820#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
821
822/**
823 * struct ieee80211_rann_ie
824 *
825 * This structure refers to "Root Announcement information element"
826 */
827struct ieee80211_rann_ie {
828 u8 rann_flags;
829 u8 rann_hopcount;
830 u8 rann_ttl;
831 u8 rann_addr[ETH_ALEN];
832 __le32 rann_seq;
833 __le32 rann_interval;
834 __le32 rann_metric;
835} __packed;
836
837enum ieee80211_rann_flags {
838 RANN_FLAG_IS_GATE = 1 << 0,
839};
840
841enum ieee80211_ht_chanwidth_values {
842 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
843 IEEE80211_HT_CHANWIDTH_ANY = 1,
844};
845
846/**
847 * enum ieee80211_opmode_bits - VHT operating mode field bits
848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
850 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
851 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
852 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
854 * (the NSS value is the value of this field + 1)
855 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
856 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
857 * using a beamforming steering matrix
858 */
859enum ieee80211_vht_opmode_bits {
860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
862 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
863 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
864 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
865 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
866 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
867 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
868};
869
870#define WLAN_SA_QUERY_TR_ID_LEN 2
871#define WLAN_MEMBERSHIP_LEN 8
872#define WLAN_USER_POSITION_LEN 16
873
874/**
875 * struct ieee80211_tpc_report_ie
876 *
877 * This structure refers to "TPC Report element"
878 */
879struct ieee80211_tpc_report_ie {
880 u8 tx_power;
881 u8 link_margin;
882} __packed;
883
884struct ieee80211_mgmt {
885 __le16 frame_control;
886 __le16 duration;
887 u8 da[ETH_ALEN];
888 u8 sa[ETH_ALEN];
889 u8 bssid[ETH_ALEN];
890 __le16 seq_ctrl;
891 union {
892 struct {
893 __le16 auth_alg;
894 __le16 auth_transaction;
895 __le16 status_code;
896 /* possibly followed by Challenge text */
897 u8 variable[0];
898 } __packed auth;
899 struct {
900 __le16 reason_code;
901 } __packed deauth;
902 struct {
903 __le16 capab_info;
904 __le16 listen_interval;
905 /* followed by SSID and Supported rates */
906 u8 variable[0];
907 } __packed assoc_req;
908 struct {
909 __le16 capab_info;
910 __le16 status_code;
911 __le16 aid;
912 /* followed by Supported rates */
913 u8 variable[0];
914 } __packed assoc_resp, reassoc_resp;
915 struct {
916 __le16 capab_info;
917 __le16 listen_interval;
918 u8 current_ap[ETH_ALEN];
919 /* followed by SSID and Supported rates */
920 u8 variable[0];
921 } __packed reassoc_req;
922 struct {
923 __le16 reason_code;
924 } __packed disassoc;
925 struct {
926 __le64 timestamp;
927 __le16 beacon_int;
928 __le16 capab_info;
929 /* followed by some of SSID, Supported rates,
930 * FH Params, DS Params, CF Params, IBSS Params, TIM */
931 u8 variable[0];
932 } __packed beacon;
933 struct {
934 /* only variable items: SSID, Supported rates */
935 u8 variable[0];
936 } __packed probe_req;
937 struct {
938 __le64 timestamp;
939 __le16 beacon_int;
940 __le16 capab_info;
941 /* followed by some of SSID, Supported rates,
942 * FH Params, DS Params, CF Params, IBSS Params */
943 u8 variable[0];
944 } __packed probe_resp;
945 struct {
946 u8 category;
947 union {
948 struct {
949 u8 action_code;
950 u8 dialog_token;
951 u8 status_code;
952 u8 variable[0];
953 } __packed wme_action;
954 struct{
955 u8 action_code;
956 u8 variable[0];
957 } __packed chan_switch;
958 struct{
959 u8 action_code;
960 struct ieee80211_ext_chansw_ie data;
961 u8 variable[0];
962 } __packed ext_chan_switch;
963 struct{
964 u8 action_code;
965 u8 dialog_token;
966 u8 element_id;
967 u8 length;
968 struct ieee80211_msrment_ie msr_elem;
969 } __packed measurement;
970 struct{
971 u8 action_code;
972 u8 dialog_token;
973 __le16 capab;
974 __le16 timeout;
975 __le16 start_seq_num;
976 } __packed addba_req;
977 struct{
978 u8 action_code;
979 u8 dialog_token;
980 __le16 status;
981 __le16 capab;
982 __le16 timeout;
983 } __packed addba_resp;
984 struct{
985 u8 action_code;
986 __le16 params;
987 __le16 reason_code;
988 } __packed delba;
989 struct {
990 u8 action_code;
991 u8 variable[0];
992 } __packed self_prot;
993 struct{
994 u8 action_code;
995 u8 variable[0];
996 } __packed mesh_action;
997 struct {
998 u8 action;
999 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
1000 } __packed sa_query;
1001 struct {
1002 u8 action;
1003 u8 smps_control;
1004 } __packed ht_smps;
1005 struct {
1006 u8 action_code;
1007 u8 chanwidth;
1008 } __packed ht_notify_cw;
1009 struct {
1010 u8 action_code;
1011 u8 dialog_token;
1012 __le16 capability;
1013 u8 variable[0];
1014 } __packed tdls_discover_resp;
1015 struct {
1016 u8 action_code;
1017 u8 operating_mode;
1018 } __packed vht_opmode_notif;
1019 struct {
1020 u8 action_code;
1021 u8 membership[WLAN_MEMBERSHIP_LEN];
1022 u8 position[WLAN_USER_POSITION_LEN];
1023 } __packed vht_group_notif;
1024 struct {
1025 u8 action_code;
1026 u8 dialog_token;
1027 u8 tpc_elem_id;
1028 u8 tpc_elem_length;
1029 struct ieee80211_tpc_report_ie tpc;
1030 } __packed tpc_report;
1031 struct {
1032 u8 action_code;
1033 u8 dialog_token;
1034 u8 follow_up;
1035 u8 tod[6];
1036 u8 toa[6];
1037 __le16 tod_error;
1038 __le16 toa_error;
1039 u8 variable[0];
1040 } __packed ftm;
1041 } u;
1042 } __packed action;
1043 } u;
1044} __packed __aligned(2);
1045
1046/* Supported rates membership selectors */
1047#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1048#define BSS_MEMBERSHIP_SELECTOR_VHT_PHY 126
1049
1050/* mgmt header + 1 byte category code */
1051#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1052
1053
1054/* Management MIC information element (IEEE 802.11w) */
1055struct ieee80211_mmie {
1056 u8 element_id;
1057 u8 length;
1058 __le16 key_id;
1059 u8 sequence_number[6];
1060 u8 mic[8];
1061} __packed;
1062
1063/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1064struct ieee80211_mmie_16 {
1065 u8 element_id;
1066 u8 length;
1067 __le16 key_id;
1068 u8 sequence_number[6];
1069 u8 mic[16];
1070} __packed;
1071
1072struct ieee80211_vendor_ie {
1073 u8 element_id;
1074 u8 len;
1075 u8 oui[3];
1076 u8 oui_type;
1077} __packed;
1078
1079struct ieee80211_wmm_ac_param {
1080 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1081 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1082 __le16 txop_limit;
1083} __packed;
1084
1085struct ieee80211_wmm_param_ie {
1086 u8 element_id; /* Element ID: 221 (0xdd); */
1087 u8 len; /* Length: 24 */
1088 /* required fields for WMM version 1 */
1089 u8 oui[3]; /* 00:50:f2 */
1090 u8 oui_type; /* 2 */
1091 u8 oui_subtype; /* 1 */
1092 u8 version; /* 1 for WMM version 1.0 */
1093 u8 qos_info; /* AP/STA specific QoS info */
1094 u8 reserved; /* 0 */
1095 /* AC_BE, AC_BK, AC_VI, AC_VO */
1096 struct ieee80211_wmm_ac_param ac[4];
1097} __packed;
1098
1099/* Control frames */
1100struct ieee80211_rts {
1101 __le16 frame_control;
1102 __le16 duration;
1103 u8 ra[ETH_ALEN];
1104 u8 ta[ETH_ALEN];
1105} __packed __aligned(2);
1106
1107struct ieee80211_cts {
1108 __le16 frame_control;
1109 __le16 duration;
1110 u8 ra[ETH_ALEN];
1111} __packed __aligned(2);
1112
1113struct ieee80211_pspoll {
1114 __le16 frame_control;
1115 __le16 aid;
1116 u8 bssid[ETH_ALEN];
1117 u8 ta[ETH_ALEN];
1118} __packed __aligned(2);
1119
1120/* TDLS */
1121
1122/* Channel switch timing */
1123struct ieee80211_ch_switch_timing {
1124 __le16 switch_time;
1125 __le16 switch_timeout;
1126} __packed;
1127
1128/* Link-id information element */
1129struct ieee80211_tdls_lnkie {
1130 u8 ie_type; /* Link Identifier IE */
1131 u8 ie_len;
1132 u8 bssid[ETH_ALEN];
1133 u8 init_sta[ETH_ALEN];
1134 u8 resp_sta[ETH_ALEN];
1135} __packed;
1136
1137struct ieee80211_tdls_data {
1138 u8 da[ETH_ALEN];
1139 u8 sa[ETH_ALEN];
1140 __be16 ether_type;
1141 u8 payload_type;
1142 u8 category;
1143 u8 action_code;
1144 union {
1145 struct {
1146 u8 dialog_token;
1147 __le16 capability;
1148 u8 variable[0];
1149 } __packed setup_req;
1150 struct {
1151 __le16 status_code;
1152 u8 dialog_token;
1153 __le16 capability;
1154 u8 variable[0];
1155 } __packed setup_resp;
1156 struct {
1157 __le16 status_code;
1158 u8 dialog_token;
1159 u8 variable[0];
1160 } __packed setup_cfm;
1161 struct {
1162 __le16 reason_code;
1163 u8 variable[0];
1164 } __packed teardown;
1165 struct {
1166 u8 dialog_token;
1167 u8 variable[0];
1168 } __packed discover_req;
1169 struct {
1170 u8 target_channel;
1171 u8 oper_class;
1172 u8 variable[0];
1173 } __packed chan_switch_req;
1174 struct {
1175 __le16 status_code;
1176 u8 variable[0];
1177 } __packed chan_switch_resp;
1178 } u;
1179} __packed;
1180
1181/*
1182 * Peer-to-Peer IE attribute related definitions.
1183 */
1184/**
1185 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1186 */
1187enum ieee80211_p2p_attr_id {
1188 IEEE80211_P2P_ATTR_STATUS = 0,
1189 IEEE80211_P2P_ATTR_MINOR_REASON,
1190 IEEE80211_P2P_ATTR_CAPABILITY,
1191 IEEE80211_P2P_ATTR_DEVICE_ID,
1192 IEEE80211_P2P_ATTR_GO_INTENT,
1193 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1194 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1195 IEEE80211_P2P_ATTR_GROUP_BSSID,
1196 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1197 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1198 IEEE80211_P2P_ATTR_MANAGABILITY,
1199 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1200 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1201 IEEE80211_P2P_ATTR_DEVICE_INFO,
1202 IEEE80211_P2P_ATTR_GROUP_INFO,
1203 IEEE80211_P2P_ATTR_GROUP_ID,
1204 IEEE80211_P2P_ATTR_INTERFACE,
1205 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1206 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1207 /* 19 - 220: Reserved */
1208 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1209
1210 IEEE80211_P2P_ATTR_MAX
1211};
1212
1213/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1214/* Typical max value used here */
1215#define IEEE80211_P2P_NOA_DESC_MAX 4
1216
1217struct ieee80211_p2p_noa_desc {
1218 u8 count;
1219 __le32 duration;
1220 __le32 interval;
1221 __le32 start_time;
1222} __packed;
1223
1224struct ieee80211_p2p_noa_attr {
1225 u8 index;
1226 u8 oppps_ctwindow;
1227 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1228} __packed;
1229
1230#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1231#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1232
1233/**
1234 * struct ieee80211_bar - HT Block Ack Request
1235 *
1236 * This structure refers to "HT BlockAckReq" as
1237 * described in 802.11n draft section 7.2.1.7.1
1238 */
1239struct ieee80211_bar {
1240 __le16 frame_control;
1241 __le16 duration;
1242 __u8 ra[ETH_ALEN];
1243 __u8 ta[ETH_ALEN];
1244 __le16 control;
1245 __le16 start_seq_num;
1246} __packed;
1247
1248/* 802.11 BAR control masks */
1249#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1250#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1251#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1252#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1253#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1254
1255#define IEEE80211_HT_MCS_MASK_LEN 10
1256
1257/**
1258 * struct ieee80211_mcs_info - MCS information
1259 * @rx_mask: RX mask
1260 * @rx_highest: highest supported RX rate. If set represents
1261 * the highest supported RX data rate in units of 1 Mbps.
1262 * If this field is 0 this value should not be used to
1263 * consider the highest RX data rate supported.
1264 * @tx_params: TX parameters
1265 */
1266struct ieee80211_mcs_info {
1267 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1268 __le16 rx_highest;
1269 u8 tx_params;
1270 u8 reserved[3];
1271} __packed;
1272
1273/* 802.11n HT capability MSC set */
1274#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1275#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1276#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1277/* value 0 == 1 stream etc */
1278#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1279#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1280#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1281#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1282
1283/*
1284 * 802.11n D5.0 20.3.5 / 20.6 says:
1285 * - indices 0 to 7 and 32 are single spatial stream
1286 * - 8 to 31 are multiple spatial streams using equal modulation
1287 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1288 * - remainder are multiple spatial streams using unequal modulation
1289 */
1290#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1291#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1292 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1293
1294/**
1295 * struct ieee80211_ht_cap - HT capabilities
1296 *
1297 * This structure is the "HT capabilities element" as
1298 * described in 802.11n D5.0 7.3.2.57
1299 */
1300struct ieee80211_ht_cap {
1301 __le16 cap_info;
1302 u8 ampdu_params_info;
1303
1304 /* 16 bytes MCS information */
1305 struct ieee80211_mcs_info mcs;
1306
1307 __le16 extended_ht_cap_info;
1308 __le32 tx_BF_cap_info;
1309 u8 antenna_selection_info;
1310} __packed;
1311
1312/* 802.11n HT capabilities masks (for cap_info) */
1313#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1314#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1315#define IEEE80211_HT_CAP_SM_PS 0x000C
1316#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1317#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1318#define IEEE80211_HT_CAP_SGI_20 0x0020
1319#define IEEE80211_HT_CAP_SGI_40 0x0040
1320#define IEEE80211_HT_CAP_TX_STBC 0x0080
1321#define IEEE80211_HT_CAP_RX_STBC 0x0300
1322#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1323#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1324#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1325#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1326#define IEEE80211_HT_CAP_RESERVED 0x2000
1327#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1328#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1329
1330/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1331#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1332#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1333#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1334#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1335#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1336#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1337#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1338
1339/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1340#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1341#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1342#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1343
1344/*
1345 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
1346 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1347 */
1348enum ieee80211_max_ampdu_length_exp {
1349 IEEE80211_HT_MAX_AMPDU_8K = 0,
1350 IEEE80211_HT_MAX_AMPDU_16K = 1,
1351 IEEE80211_HT_MAX_AMPDU_32K = 2,
1352 IEEE80211_HT_MAX_AMPDU_64K = 3
1353};
1354
1355/*
1356 * Maximum length of AMPDU that the STA can receive in VHT.
1357 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1358 */
1359enum ieee80211_vht_max_ampdu_length_exp {
1360 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1361 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1362 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1363 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1364 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1365 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1366 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1367 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1368};
1369
1370#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1371
1372/* Minimum MPDU start spacing */
1373enum ieee80211_min_mpdu_spacing {
1374 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1375 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1376 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1377 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1378 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1379 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1380 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1381 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1382};
1383
1384/**
1385 * struct ieee80211_ht_operation - HT operation IE
1386 *
1387 * This structure is the "HT operation element" as
1388 * described in 802.11n-2009 7.3.2.57
1389 */
1390struct ieee80211_ht_operation {
1391 u8 primary_chan;
1392 u8 ht_param;
1393 __le16 operation_mode;
1394 __le16 stbc_param;
1395 u8 basic_set[16];
1396} __packed;
1397
1398/* for ht_param */
1399#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1400#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1401#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1402#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1403#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1404#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1405
1406/* for operation_mode */
1407#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1408#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1409#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1410#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1411#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1412#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1413#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1414#define IEEE80211_HT_OP_MODE_CCFS2_SHIFT 5
1415#define IEEE80211_HT_OP_MODE_CCFS2_MASK 0x1fe0
1416
1417/* for stbc_param */
1418#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1419#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1420#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1421#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1422#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1423#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1424
1425
1426/* block-ack parameters */
1427#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
1428#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1429#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1430#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1431#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1432#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1433
1434/*
1435 * A-MPDU buffer sizes
1436 * According to HT size varies from 8 to 64 frames
1437 * HE adds the ability to have up to 256 frames.
1438 */
1439#define IEEE80211_MIN_AMPDU_BUF 0x8
1440#define IEEE80211_MAX_AMPDU_BUF_HT 0x40
1441#define IEEE80211_MAX_AMPDU_BUF 0x100
1442
1443
1444/* Spatial Multiplexing Power Save Modes (for capability) */
1445#define WLAN_HT_CAP_SM_PS_STATIC 0
1446#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1447#define WLAN_HT_CAP_SM_PS_INVALID 2
1448#define WLAN_HT_CAP_SM_PS_DISABLED 3
1449
1450/* for SM power control field lower two bits */
1451#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1452#define WLAN_HT_SMPS_CONTROL_STATIC 1
1453#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1454
1455/**
1456 * struct ieee80211_vht_mcs_info - VHT MCS information
1457 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1458 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1459 * STA can receive. Rate expressed in units of 1 Mbps.
1460 * If this field is 0 this value should not be used to
1461 * consider the highest RX data rate supported.
1462 * The top 3 bits of this field indicate the Maximum NSTS,total
1463 * (a beamformee capability.)
1464 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1465 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1466 * STA can transmit. Rate expressed in units of 1 Mbps.
1467 * If this field is 0 this value should not be used to
1468 * consider the highest TX data rate supported.
1469 * The top 2 bits of this field are reserved, the
1470 * 3rd bit from the top indiciates VHT Extended NSS BW
1471 * Capability.
1472 */
1473struct ieee80211_vht_mcs_info {
1474 __le16 rx_mcs_map;
1475 __le16 rx_highest;
1476 __le16 tx_mcs_map;
1477 __le16 tx_highest;
1478} __packed;
1479
1480/* for rx_highest */
1481#define IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT 13
1482#define IEEE80211_VHT_MAX_NSTS_TOTAL_MASK (7 << IEEE80211_VHT_MAX_NSTS_TOTAL_SHIFT)
1483
1484/* for tx_highest */
1485#define IEEE80211_VHT_EXT_NSS_BW_CAPABLE (1 << 13)
1486
1487/**
1488 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1489 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1490 * number of streams
1491 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1492 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1493 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1494 *
1495 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1496 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1497 * both split into 8 subfields by number of streams. These values indicate
1498 * which MCSes are supported for the number of streams the value appears
1499 * for.
1500 */
1501enum ieee80211_vht_mcs_support {
1502 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1503 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1504 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1505 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1506};
1507
1508/**
1509 * struct ieee80211_vht_cap - VHT capabilities
1510 *
1511 * This structure is the "VHT capabilities element" as
1512 * described in 802.11ac D3.0 8.4.2.160
1513 * @vht_cap_info: VHT capability info
1514 * @supp_mcs: VHT MCS supported rates
1515 */
1516struct ieee80211_vht_cap {
1517 __le32 vht_cap_info;
1518 struct ieee80211_vht_mcs_info supp_mcs;
1519} __packed;
1520
1521/**
1522 * enum ieee80211_vht_chanwidth - VHT channel width
1523 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1524 * determine the channel width (20 or 40 MHz)
1525 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1526 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1527 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1528 */
1529enum ieee80211_vht_chanwidth {
1530 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1531 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1532 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1533 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1534};
1535
1536/**
1537 * struct ieee80211_vht_operation - VHT operation IE
1538 *
1539 * This structure is the "VHT operation element" as
1540 * described in 802.11ac D3.0 8.4.2.161
1541 * @chan_width: Operating channel width
1542 * @center_freq_seg0_idx: center freq segment 0 index
1543 * @center_freq_seg1_idx: center freq segment 1 index
1544 * @basic_mcs_set: VHT Basic MCS rate set
1545 */
1546struct ieee80211_vht_operation {
1547 u8 chan_width;
1548 u8 center_freq_seg0_idx;
1549 u8 center_freq_seg1_idx;
1550 __le16 basic_mcs_set;
1551} __packed;
1552
1553/**
1554 * struct ieee80211_he_cap_elem - HE capabilities element
1555 *
1556 * This structure is the "HE capabilities element" fixed fields as
1557 * described in P802.11ax_D4.0 section 9.4.2.242.2 and 9.4.2.242.3
1558 */
1559struct ieee80211_he_cap_elem {
1560 u8 mac_cap_info[6];
1561 u8 phy_cap_info[11];
1562} __packed;
1563
1564#define IEEE80211_TX_RX_MCS_NSS_DESC_MAX_LEN 5
1565
1566/**
1567 * enum ieee80211_he_mcs_support - HE MCS support definitions
1568 * @IEEE80211_HE_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1569 * number of streams
1570 * @IEEE80211_HE_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1571 * @IEEE80211_HE_MCS_SUPPORT_0_11: MCSes 0-11 are supported
1572 * @IEEE80211_HE_MCS_NOT_SUPPORTED: This number of streams isn't supported
1573 *
1574 * These definitions are used in each 2-bit subfield of the rx_mcs_*
1575 * and tx_mcs_* fields of &struct ieee80211_he_mcs_nss_supp, which are
1576 * both split into 8 subfields by number of streams. These values indicate
1577 * which MCSes are supported for the number of streams the value appears
1578 * for.
1579 */
1580enum ieee80211_he_mcs_support {
1581 IEEE80211_HE_MCS_SUPPORT_0_7 = 0,
1582 IEEE80211_HE_MCS_SUPPORT_0_9 = 1,
1583 IEEE80211_HE_MCS_SUPPORT_0_11 = 2,
1584 IEEE80211_HE_MCS_NOT_SUPPORTED = 3,
1585};
1586
1587/**
1588 * struct ieee80211_he_mcs_nss_supp - HE Tx/Rx HE MCS NSS Support Field
1589 *
1590 * This structure holds the data required for the Tx/Rx HE MCS NSS Support Field
1591 * described in P802.11ax_D2.0 section 9.4.2.237.4
1592 *
1593 * @rx_mcs_80: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1594 * widths less than 80MHz.
1595 * @tx_mcs_80: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1596 * widths less than 80MHz.
1597 * @rx_mcs_160: Rx MCS map 2 bits for each stream, total 8 streams, for channel
1598 * width 160MHz.
1599 * @tx_mcs_160: Tx MCS map 2 bits for each stream, total 8 streams, for channel
1600 * width 160MHz.
1601 * @rx_mcs_80p80: Rx MCS map 2 bits for each stream, total 8 streams, for
1602 * channel width 80p80MHz.
1603 * @tx_mcs_80p80: Tx MCS map 2 bits for each stream, total 8 streams, for
1604 * channel width 80p80MHz.
1605 */
1606struct ieee80211_he_mcs_nss_supp {
1607 __le16 rx_mcs_80;
1608 __le16 tx_mcs_80;
1609 __le16 rx_mcs_160;
1610 __le16 tx_mcs_160;
1611 __le16 rx_mcs_80p80;
1612 __le16 tx_mcs_80p80;
1613} __packed;
1614
1615/**
1616 * struct ieee80211_he_operation - HE capabilities element
1617 *
1618 * This structure is the "HE operation element" fields as
1619 * described in P802.11ax_D4.0 section 9.4.2.243
1620 */
1621struct ieee80211_he_operation {
1622 __le32 he_oper_params;
1623 __le16 he_mcs_nss_set;
1624 /* Optional 0,1,3,4,5,7 or 8 bytes: depends on @he_oper_params */
1625 u8 optional[0];
1626} __packed;
1627
1628/**
1629 * struct ieee80211_he_mu_edca_param_ac_rec - MU AC Parameter Record field
1630 *
1631 * This structure is the "MU AC Parameter Record" fields as
1632 * described in P802.11ax_D4.0 section 9.4.2.245
1633 */
1634struct ieee80211_he_mu_edca_param_ac_rec {
1635 u8 aifsn;
1636 u8 ecw_min_max;
1637 u8 mu_edca_timer;
1638} __packed;
1639
1640/**
1641 * struct ieee80211_mu_edca_param_set - MU EDCA Parameter Set element
1642 *
1643 * This structure is the "MU EDCA Parameter Set element" fields as
1644 * described in P802.11ax_D4.0 section 9.4.2.245
1645 */
1646struct ieee80211_mu_edca_param_set {
1647 u8 mu_qos_info;
1648 struct ieee80211_he_mu_edca_param_ac_rec ac_be;
1649 struct ieee80211_he_mu_edca_param_ac_rec ac_bk;
1650 struct ieee80211_he_mu_edca_param_ac_rec ac_vi;
1651 struct ieee80211_he_mu_edca_param_ac_rec ac_vo;
1652} __packed;
1653
1654/* 802.11ac VHT Capabilities */
1655#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1656#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1657#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1658#define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
1659#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1660#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1661#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
1662#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_SHIFT 2
1663#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1664#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1665#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1666#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1667#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1668#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1669#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1670#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1671#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1672#define IEEE80211_VHT_CAP_RXSTBC_SHIFT 8
1673#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1674#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1675#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1676#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1677 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1678#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1679#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1680 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1681#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1682#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1683#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1684#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1685#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1686#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1687 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1688#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1689#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1690#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1691#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1692#define IEEE80211_VHT_CAP_EXT_NSS_BW_SHIFT 30
1693#define IEEE80211_VHT_CAP_EXT_NSS_BW_MASK 0xc0000000
1694
1695/**
1696 * ieee80211_get_vht_max_nss - return max NSS for a given bandwidth/MCS
1697 * @cap: VHT capabilities of the peer
1698 * @bw: bandwidth to use
1699 * @mcs: MCS index to use
1700 * @ext_nss_bw_capable: indicates whether or not the local transmitter
1701 * (rate scaling algorithm) can deal with the new logic
1702 * (dot11VHTExtendedNSSBWCapable)
1703 *
1704 * Due to the VHT Extended NSS Bandwidth Support, the maximum NSS can
1705 * vary for a given BW/MCS. This function parses the data.
1706 *
1707 * Note: This function is exported by cfg80211.
1708 */
1709int ieee80211_get_vht_max_nss(struct ieee80211_vht_cap *cap,
1710 enum ieee80211_vht_chanwidth bw,
1711 int mcs, bool ext_nss_bw_capable);
1712
1713/* 802.11ax HE MAC capabilities */
1714#define IEEE80211_HE_MAC_CAP0_HTC_HE 0x01
1715#define IEEE80211_HE_MAC_CAP0_TWT_REQ 0x02
1716#define IEEE80211_HE_MAC_CAP0_TWT_RES 0x04
1717#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_NOT_SUPP 0x00
1718#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_1 0x08
1719#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_2 0x10
1720#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_LEVEL_3 0x18
1721#define IEEE80211_HE_MAC_CAP0_DYNAMIC_FRAG_MASK 0x18
1722#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_1 0x00
1723#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_2 0x20
1724#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_4 0x40
1725#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_8 0x60
1726#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_16 0x80
1727#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_32 0xa0
1728#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_64 0xc0
1729#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_UNLIMITED 0xe0
1730#define IEEE80211_HE_MAC_CAP0_MAX_NUM_FRAG_MSDU_MASK 0xe0
1731
1732#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_UNLIMITED 0x00
1733#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_128 0x01
1734#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_256 0x02
1735#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_512 0x03
1736#define IEEE80211_HE_MAC_CAP1_MIN_FRAG_SIZE_MASK 0x03
1737#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_0US 0x00
1738#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_8US 0x04
1739#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_16US 0x08
1740#define IEEE80211_HE_MAC_CAP1_TF_MAC_PAD_DUR_MASK 0x0c
1741#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_1 0x00
1742#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_2 0x10
1743#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_3 0x20
1744#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_4 0x30
1745#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_5 0x40
1746#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_6 0x50
1747#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_7 0x60
1748#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_8 0x70
1749#define IEEE80211_HE_MAC_CAP1_MULTI_TID_AGG_RX_QOS_MASK 0x70
1750
1751/* Link adaptation is split between byte HE_MAC_CAP1 and
1752 * HE_MAC_CAP2. It should be set only if IEEE80211_HE_MAC_CAP0_HTC_HE
1753 * in which case the following values apply:
1754 * 0 = No feedback.
1755 * 1 = reserved.
1756 * 2 = Unsolicited feedback.
1757 * 3 = both
1758 */
1759#define IEEE80211_HE_MAC_CAP1_LINK_ADAPTATION 0x80
1760
1761#define IEEE80211_HE_MAC_CAP2_LINK_ADAPTATION 0x01
1762#define IEEE80211_HE_MAC_CAP2_ALL_ACK 0x02
1763#define IEEE80211_HE_MAC_CAP2_TRS 0x04
1764#define IEEE80211_HE_MAC_CAP2_BSR 0x08
1765#define IEEE80211_HE_MAC_CAP2_BCAST_TWT 0x10
1766#define IEEE80211_HE_MAC_CAP2_32BIT_BA_BITMAP 0x20
1767#define IEEE80211_HE_MAC_CAP2_MU_CASCADING 0x40
1768#define IEEE80211_HE_MAC_CAP2_ACK_EN 0x80
1769
1770#define IEEE80211_HE_MAC_CAP3_OMI_CONTROL 0x02
1771#define IEEE80211_HE_MAC_CAP3_OFDMA_RA 0x04
1772
1773/* The maximum length of an A-MDPU is defined by the combination of the Maximum
1774 * A-MDPU Length Exponent field in the HT capabilities, VHT capabilities and the
1775 * same field in the HE capabilities.
1776 */
1777#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_USE_VHT 0x00
1778#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_1 0x08
1779#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_VHT_2 0x10
1780#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_RESERVED 0x18
1781#define IEEE80211_HE_MAC_CAP3_MAX_AMPDU_LEN_EXP_MASK 0x18
1782#define IEEE80211_HE_MAC_CAP3_AMSDU_FRAG 0x20
1783#define IEEE80211_HE_MAC_CAP3_FLEX_TWT_SCHED 0x40
1784#define IEEE80211_HE_MAC_CAP3_RX_CTRL_FRAME_TO_MULTIBSS 0x80
1785
1786#define IEEE80211_HE_MAC_CAP4_BSRP_BQRP_A_MPDU_AGG 0x01
1787#define IEEE80211_HE_MAC_CAP4_QTP 0x02
1788#define IEEE80211_HE_MAC_CAP4_BQR 0x04
1789#define IEEE80211_HE_MAC_CAP4_SRP_RESP 0x08
1790#define IEEE80211_HE_MAC_CAP4_NDP_FB_REP 0x10
1791#define IEEE80211_HE_MAC_CAP4_OPS 0x20
1792#define IEEE80211_HE_MAC_CAP4_AMDSU_IN_AMPDU 0x40
1793/* Multi TID agg TX is split between byte #4 and #5
1794 * The value is a combination of B39,B40,B41
1795 */
1796#define IEEE80211_HE_MAC_CAP4_MULTI_TID_AGG_TX_QOS_B39 0x80
1797
1798#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B40 0x01
1799#define IEEE80211_HE_MAC_CAP5_MULTI_TID_AGG_TX_QOS_B41 0x02
1800#define IEEE80211_HE_MAC_CAP5_SUBCHAN_SELECVITE_TRANSMISSION 0x04
1801#define IEEE80211_HE_MAC_CAP5_UL_2x996_TONE_RU 0x08
1802#define IEEE80211_HE_MAC_CAP5_OM_CTRL_UL_MU_DATA_DIS_RX 0x10
1803#define IEEE80211_HE_MAC_CAP5_HE_DYNAMIC_SM_PS 0x20
1804#define IEEE80211_HE_MAC_CAP5_PUNCTURED_SOUNDING 0x40
1805#define IEEE80211_HE_MAC_CAP5_HT_VHT_TRIG_FRAME_RX 0x80
1806
1807/* 802.11ax HE PHY capabilities */
1808#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_IN_2G 0x02
1809#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_40MHZ_80MHZ_IN_5G 0x04
1810#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G 0x08
1811#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G 0x10
1812#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_2G 0x20
1813#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G 0x40
1814#define IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_MASK 0xfe
1815
1816#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_20MHZ 0x01
1817#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_80MHZ_ONLY_SECOND_40MHZ 0x02
1818#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_20MHZ 0x04
1819#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_160MHZ_ONLY_SECOND_40MHZ 0x08
1820#define IEEE80211_HE_PHY_CAP1_PREAMBLE_PUNC_RX_MASK 0x0f
1821#define IEEE80211_HE_PHY_CAP1_DEVICE_CLASS_A 0x10
1822#define IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD 0x20
1823#define IEEE80211_HE_PHY_CAP1_HE_LTF_AND_GI_FOR_HE_PPDUS_0_8US 0x40
1824/* Midamble RX/TX Max NSTS is split between byte #2 and byte #3 */
1825#define IEEE80211_HE_PHY_CAP1_MIDAMBLE_RX_TX_MAX_NSTS 0x80
1826
1827#define IEEE80211_HE_PHY_CAP2_MIDAMBLE_RX_TX_MAX_NSTS 0x01
1828#define IEEE80211_HE_PHY_CAP2_NDP_4x_LTF_AND_3_2US 0x02
1829#define IEEE80211_HE_PHY_CAP2_STBC_TX_UNDER_80MHZ 0x04
1830#define IEEE80211_HE_PHY_CAP2_STBC_RX_UNDER_80MHZ 0x08
1831#define IEEE80211_HE_PHY_CAP2_DOPPLER_TX 0x10
1832#define IEEE80211_HE_PHY_CAP2_DOPPLER_RX 0x20
1833
1834/* Note that the meaning of UL MU below is different between an AP and a non-AP
1835 * sta, where in the AP case it indicates support for Rx and in the non-AP sta
1836 * case it indicates support for Tx.
1837 */
1838#define IEEE80211_HE_PHY_CAP2_UL_MU_FULL_MU_MIMO 0x40
1839#define IEEE80211_HE_PHY_CAP2_UL_MU_PARTIAL_MU_MIMO 0x80
1840
1841#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_NO_DCM 0x00
1842#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_BPSK 0x01
1843#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_QPSK 0x02
1844#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_16_QAM 0x03
1845#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_TX_MASK 0x03
1846#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_1 0x00
1847#define IEEE80211_HE_PHY_CAP3_DCM_MAX_TX_NSS_2 0x04
1848#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_NO_DCM 0x00
1849#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_BPSK 0x08
1850#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_QPSK 0x10
1851#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_16_QAM 0x18
1852#define IEEE80211_HE_PHY_CAP3_DCM_MAX_CONST_RX_MASK 0x18
1853#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_1 0x00
1854#define IEEE80211_HE_PHY_CAP3_DCM_MAX_RX_NSS_2 0x20
1855#define IEEE80211_HE_PHY_CAP3_RX_HE_MU_PPDU_FROM_NON_AP_STA 0x40
1856#define IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER 0x80
1857
1858#define IEEE80211_HE_PHY_CAP4_SU_BEAMFORMEE 0x01
1859#define IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER 0x02
1860
1861/* Minimal allowed value of Max STS under 80MHz is 3 */
1862#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_4 0x0c
1863#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_5 0x10
1864#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_6 0x14
1865#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_7 0x18
1866#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_8 0x1c
1867#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_UNDER_80MHZ_MASK 0x1c
1868
1869/* Minimal allowed value of Max STS above 80MHz is 3 */
1870#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_4 0x60
1871#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_5 0x80
1872#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_6 0xa0
1873#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_7 0xc0
1874#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_8 0xe0
1875#define IEEE80211_HE_PHY_CAP4_BEAMFORMEE_MAX_STS_ABOVE_80MHZ_MASK 0xe0
1876
1877#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_1 0x00
1878#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_2 0x01
1879#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_3 0x02
1880#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_4 0x03
1881#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_5 0x04
1882#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_6 0x05
1883#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_7 0x06
1884#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_8 0x07
1885#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK 0x07
1886
1887#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_1 0x00
1888#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_2 0x08
1889#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_3 0x10
1890#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_4 0x18
1891#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_5 0x20
1892#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_6 0x28
1893#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_7 0x30
1894#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_8 0x38
1895#define IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_ABOVE_80MHZ_MASK 0x38
1896
1897#define IEEE80211_HE_PHY_CAP5_NG16_SU_FEEDBACK 0x40
1898#define IEEE80211_HE_PHY_CAP5_NG16_MU_FEEDBACK 0x80
1899
1900#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_42_SU 0x01
1901#define IEEE80211_HE_PHY_CAP6_CODEBOOK_SIZE_75_MU 0x02
1902#define IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMER_FB 0x04
1903#define IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMER_FB 0x08
1904#define IEEE80211_HE_PHY_CAP6_TRIG_CQI_FB 0x10
1905#define IEEE80211_HE_PHY_CAP6_PARTIAL_BW_EXT_RANGE 0x20
1906#define IEEE80211_HE_PHY_CAP6_PARTIAL_BANDWIDTH_DL_MUMIMO 0x40
1907#define IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT 0x80
1908
1909#define IEEE80211_HE_PHY_CAP7_SRP_BASED_SR 0x01
1910#define IEEE80211_HE_PHY_CAP7_POWER_BOOST_FACTOR_AR 0x02
1911#define IEEE80211_HE_PHY_CAP7_HE_SU_MU_PPDU_4XLTF_AND_08_US_GI 0x04
1912#define IEEE80211_HE_PHY_CAP7_MAX_NC_1 0x08
1913#define IEEE80211_HE_PHY_CAP7_MAX_NC_2 0x10
1914#define IEEE80211_HE_PHY_CAP7_MAX_NC_3 0x18
1915#define IEEE80211_HE_PHY_CAP7_MAX_NC_4 0x20
1916#define IEEE80211_HE_PHY_CAP7_MAX_NC_5 0x28
1917#define IEEE80211_HE_PHY_CAP7_MAX_NC_6 0x30
1918#define IEEE80211_HE_PHY_CAP7_MAX_NC_7 0x38
1919#define IEEE80211_HE_PHY_CAP7_MAX_NC_MASK 0x38
1920#define IEEE80211_HE_PHY_CAP7_STBC_TX_ABOVE_80MHZ 0x40
1921#define IEEE80211_HE_PHY_CAP7_STBC_RX_ABOVE_80MHZ 0x80
1922
1923#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_PPDU_4XLTF_AND_08_US_GI 0x01
1924#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_40MHZ_HE_PPDU_IN_2G 0x02
1925#define IEEE80211_HE_PHY_CAP8_20MHZ_IN_160MHZ_HE_PPDU 0x04
1926#define IEEE80211_HE_PHY_CAP8_80MHZ_IN_160MHZ_HE_PPDU 0x08
1927#define IEEE80211_HE_PHY_CAP8_HE_ER_SU_1XLTF_AND_08_US_GI 0x10
1928#define IEEE80211_HE_PHY_CAP8_MIDAMBLE_RX_TX_2X_AND_1XLTF 0x20
1929#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_242 0x00
1930#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_484 0x40
1931#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_996 0x80
1932#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_2x996 0xc0
1933#define IEEE80211_HE_PHY_CAP8_DCM_MAX_RU_MASK 0xc0
1934
1935#define IEEE80211_HE_PHY_CAP9_LONGER_THAN_16_SIGB_OFDM_SYM 0x01
1936#define IEEE80211_HE_PHY_CAP9_NON_TRIGGERED_CQI_FEEDBACK 0x02
1937#define IEEE80211_HE_PHY_CAP9_TX_1024_QAM_LESS_THAN_242_TONE_RU 0x04
1938#define IEEE80211_HE_PHY_CAP9_RX_1024_QAM_LESS_THAN_242_TONE_RU 0x08
1939#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_COMP_SIGB 0x10
1940#define IEEE80211_HE_PHY_CAP9_RX_FULL_BW_SU_USING_MU_WITH_NON_COMP_SIGB 0x20
1941#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_0US 0x00
1942#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_8US 0x40
1943#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_16US 0x80
1944#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_RESERVED 0xc0
1945#define IEEE80211_HE_PHY_CAP9_NOMIMAL_PKT_PADDING_MASK 0xc0
1946
1947/* 802.11ax HE TX/RX MCS NSS Support */
1948#define IEEE80211_TX_RX_MCS_NSS_SUPP_HIGHEST_MCS_POS (3)
1949#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_POS (6)
1950#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_POS (11)
1951#define IEEE80211_TX_RX_MCS_NSS_SUPP_TX_BITMAP_MASK 0x07c0
1952#define IEEE80211_TX_RX_MCS_NSS_SUPP_RX_BITMAP_MASK 0xf800
1953
1954/* TX/RX HE MCS Support field Highest MCS subfield encoding */
1955enum ieee80211_he_highest_mcs_supported_subfield_enc {
1956 HIGHEST_MCS_SUPPORTED_MCS7 = 0,
1957 HIGHEST_MCS_SUPPORTED_MCS8,
1958 HIGHEST_MCS_SUPPORTED_MCS9,
1959 HIGHEST_MCS_SUPPORTED_MCS10,
1960 HIGHEST_MCS_SUPPORTED_MCS11,
1961};
1962
1963/* Calculate 802.11ax HE capabilities IE Tx/Rx HE MCS NSS Support Field size */
1964static inline u8
1965ieee80211_he_mcs_nss_size(const struct ieee80211_he_cap_elem *he_cap)
1966{
1967 u8 count = 4;
1968
1969 if (he_cap->phy_cap_info[0] &
1970 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_160MHZ_IN_5G)
1971 count += 4;
1972
1973 if (he_cap->phy_cap_info[0] &
1974 IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_80PLUS80_MHZ_IN_5G)
1975 count += 4;
1976
1977 return count;
1978}
1979
1980/* 802.11ax HE PPE Thresholds */
1981#define IEEE80211_PPE_THRES_NSS_SUPPORT_2NSS (1)
1982#define IEEE80211_PPE_THRES_NSS_POS (0)
1983#define IEEE80211_PPE_THRES_NSS_MASK (7)
1984#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_2x966_AND_966_RU \
1985 (BIT(5) | BIT(6))
1986#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK 0x78
1987#define IEEE80211_PPE_THRES_RU_INDEX_BITMASK_POS (3)
1988#define IEEE80211_PPE_THRES_INFO_PPET_SIZE (3)
1989
1990/*
1991 * Calculate 802.11ax HE capabilities IE PPE field size
1992 * Input: Header byte of ppe_thres (first byte), and HE capa IE's PHY cap u8*
1993 */
1994static inline u8
1995ieee80211_he_ppe_size(u8 ppe_thres_hdr, const u8 *phy_cap_info)
1996{
1997 u8 n;
1998
1999 if ((phy_cap_info[6] &
2000 IEEE80211_HE_PHY_CAP6_PPE_THRESHOLD_PRESENT) == 0)
2001 return 0;
2002
2003 n = hweight8(ppe_thres_hdr &
2004 IEEE80211_PPE_THRES_RU_INDEX_BITMASK_MASK);
2005 n *= (1 + ((ppe_thres_hdr & IEEE80211_PPE_THRES_NSS_MASK) >>
2006 IEEE80211_PPE_THRES_NSS_POS));
2007
2008 /*
2009 * Each pair is 6 bits, and we need to add the 7 "header" bits to the
2010 * total size.
2011 */
2012 n = (n * IEEE80211_PPE_THRES_INFO_PPET_SIZE * 2) + 7;
2013 n = DIV_ROUND_UP(n, 8);
2014
2015 return n;
2016}
2017
2018/* HE Operation defines */
2019#define IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK 0x00000003
2020#define IEEE80211_HE_OPERATION_TWT_REQUIRED 0x00000008
2021#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK 0x00003ff0
2022#define IEEE80211_HE_OPERATION_RTS_THRESHOLD_OFFSET 4
2023#define IEEE80211_HE_OPERATION_VHT_OPER_INFO 0x00004000
2024#define IEEE80211_HE_OPERATION_CO_HOSTED_BSS 0x00008000
2025#define IEEE80211_HE_OPERATION_ER_SU_DISABLE 0x00010000
2026#define IEEE80211_HE_OPERATION_6GHZ_OP_INFO 0x00020000
2027#define IEEE80211_HE_OPERATION_BSS_COLOR_MASK 0x3f000000
2028#define IEEE80211_HE_OPERATION_BSS_COLOR_OFFSET 24
2029#define IEEE80211_HE_OPERATION_PARTIAL_BSS_COLOR 0x40000000
2030#define IEEE80211_HE_OPERATION_BSS_COLOR_DISABLED 0x80000000
2031
2032/*
2033 * ieee80211_he_oper_size - calculate 802.11ax HE Operations IE size
2034 * @he_oper_ie: byte data of the He Operations IE, stating from the the byte
2035 * after the ext ID byte. It is assumed that he_oper_ie has at least
2036 * sizeof(struct ieee80211_he_operation) bytes, checked already in
2037 * ieee802_11_parse_elems_crc()
2038 * @return the actual size of the IE data (not including header), or 0 on error
2039 */
2040static inline u8
2041ieee80211_he_oper_size(const u8 *he_oper_ie)
2042{
2043 struct ieee80211_he_operation *he_oper = (void *)he_oper_ie;
2044 u8 oper_len = sizeof(struct ieee80211_he_operation);
2045 u32 he_oper_params;
2046
2047 /* Make sure the input is not NULL */
2048 if (!he_oper_ie)
2049 return 0;
2050
2051 /* Calc required length */
2052 he_oper_params = le32_to_cpu(he_oper->he_oper_params);
2053 if (he_oper_params & IEEE80211_HE_OPERATION_VHT_OPER_INFO)
2054 oper_len += 3;
2055 if (he_oper_params & IEEE80211_HE_OPERATION_CO_HOSTED_BSS)
2056 oper_len++;
2057 if (he_oper_params & IEEE80211_HE_OPERATION_6GHZ_OP_INFO)
2058 oper_len += 4;
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 WLAN_EID_EXT_NON_INHERITANCE = 56,
2491};
2492
2493/* Action category code */
2494enum ieee80211_category {
2495 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
2496 WLAN_CATEGORY_QOS = 1,
2497 WLAN_CATEGORY_DLS = 2,
2498 WLAN_CATEGORY_BACK = 3,
2499 WLAN_CATEGORY_PUBLIC = 4,
2500 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
2501 WLAN_CATEGORY_HT = 7,
2502 WLAN_CATEGORY_SA_QUERY = 8,
2503 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
2504 WLAN_CATEGORY_WNM = 10,
2505 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
2506 WLAN_CATEGORY_TDLS = 12,
2507 WLAN_CATEGORY_MESH_ACTION = 13,
2508 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
2509 WLAN_CATEGORY_SELF_PROTECTED = 15,
2510 WLAN_CATEGORY_DMG = 16,
2511 WLAN_CATEGORY_WMM = 17,
2512 WLAN_CATEGORY_FST = 18,
2513 WLAN_CATEGORY_UNPROT_DMG = 20,
2514 WLAN_CATEGORY_VHT = 21,
2515 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
2516 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
2517};
2518
2519/* SPECTRUM_MGMT action code */
2520enum ieee80211_spectrum_mgmt_actioncode {
2521 WLAN_ACTION_SPCT_MSR_REQ = 0,
2522 WLAN_ACTION_SPCT_MSR_RPRT = 1,
2523 WLAN_ACTION_SPCT_TPC_REQ = 2,
2524 WLAN_ACTION_SPCT_TPC_RPRT = 3,
2525 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
2526};
2527
2528/* HT action codes */
2529enum ieee80211_ht_actioncode {
2530 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2531 WLAN_HT_ACTION_SMPS = 1,
2532 WLAN_HT_ACTION_PSMP = 2,
2533 WLAN_HT_ACTION_PCO_PHASE = 3,
2534 WLAN_HT_ACTION_CSI = 4,
2535 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2536 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2537 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2538};
2539
2540/* VHT action codes */
2541enum ieee80211_vht_actioncode {
2542 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2543 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2544 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2545};
2546
2547/* Self Protected Action codes */
2548enum ieee80211_self_protected_actioncode {
2549 WLAN_SP_RESERVED = 0,
2550 WLAN_SP_MESH_PEERING_OPEN = 1,
2551 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2552 WLAN_SP_MESH_PEERING_CLOSE = 3,
2553 WLAN_SP_MGK_INFORM = 4,
2554 WLAN_SP_MGK_ACK = 5,
2555};
2556
2557/* Mesh action codes */
2558enum ieee80211_mesh_actioncode {
2559 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2560 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2561 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2562 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2563 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2564 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2565 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2566 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2567 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2568 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2569 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2570};
2571
2572/* Security key length */
2573enum ieee80211_key_len {
2574 WLAN_KEY_LEN_WEP40 = 5,
2575 WLAN_KEY_LEN_WEP104 = 13,
2576 WLAN_KEY_LEN_CCMP = 16,
2577 WLAN_KEY_LEN_CCMP_256 = 32,
2578 WLAN_KEY_LEN_TKIP = 32,
2579 WLAN_KEY_LEN_AES_CMAC = 16,
2580 WLAN_KEY_LEN_SMS4 = 32,
2581 WLAN_KEY_LEN_GCMP = 16,
2582 WLAN_KEY_LEN_GCMP_256 = 32,
2583 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2584 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2585 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
2586};
2587
2588#define IEEE80211_WEP_IV_LEN 4
2589#define IEEE80211_WEP_ICV_LEN 4
2590#define IEEE80211_CCMP_HDR_LEN 8
2591#define IEEE80211_CCMP_MIC_LEN 8
2592#define IEEE80211_CCMP_PN_LEN 6
2593#define IEEE80211_CCMP_256_HDR_LEN 8
2594#define IEEE80211_CCMP_256_MIC_LEN 16
2595#define IEEE80211_CCMP_256_PN_LEN 6
2596#define IEEE80211_TKIP_IV_LEN 8
2597#define IEEE80211_TKIP_ICV_LEN 4
2598#define IEEE80211_CMAC_PN_LEN 6
2599#define IEEE80211_GMAC_PN_LEN 6
2600#define IEEE80211_GCMP_HDR_LEN 8
2601#define IEEE80211_GCMP_MIC_LEN 16
2602#define IEEE80211_GCMP_PN_LEN 6
2603
2604#define FILS_NONCE_LEN 16
2605#define FILS_MAX_KEK_LEN 64
2606
2607#define FILS_ERP_MAX_USERNAME_LEN 16
2608#define FILS_ERP_MAX_REALM_LEN 253
2609#define FILS_ERP_MAX_RRK_LEN 64
2610
2611#define PMK_MAX_LEN 64
2612
2613/* Public action codes (IEEE Std 802.11-2016, 9.6.8.1, Table 9-307) */
2614enum ieee80211_pub_actioncode {
2615 WLAN_PUB_ACTION_20_40_BSS_COEX = 0,
2616 WLAN_PUB_ACTION_DSE_ENABLEMENT = 1,
2617 WLAN_PUB_ACTION_DSE_DEENABLEMENT = 2,
2618 WLAN_PUB_ACTION_DSE_REG_LOC_ANN = 3,
2619 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
2620 WLAN_PUB_ACTION_DSE_MSMT_REQ = 5,
2621 WLAN_PUB_ACTION_DSE_MSMT_RESP = 6,
2622 WLAN_PUB_ACTION_MSMT_PILOT = 7,
2623 WLAN_PUB_ACTION_DSE_PC = 8,
2624 WLAN_PUB_ACTION_VENDOR_SPECIFIC = 9,
2625 WLAN_PUB_ACTION_GAS_INITIAL_REQ = 10,
2626 WLAN_PUB_ACTION_GAS_INITIAL_RESP = 11,
2627 WLAN_PUB_ACTION_GAS_COMEBACK_REQ = 12,
2628 WLAN_PUB_ACTION_GAS_COMEBACK_RESP = 13,
2629 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2630 WLAN_PUB_ACTION_LOC_TRACK_NOTI = 15,
2631 WLAN_PUB_ACTION_QAB_REQUEST_FRAME = 16,
2632 WLAN_PUB_ACTION_QAB_RESPONSE_FRAME = 17,
2633 WLAN_PUB_ACTION_QMF_POLICY = 18,
2634 WLAN_PUB_ACTION_QMF_POLICY_CHANGE = 19,
2635 WLAN_PUB_ACTION_QLOAD_REQUEST = 20,
2636 WLAN_PUB_ACTION_QLOAD_REPORT = 21,
2637 WLAN_PUB_ACTION_HCCA_TXOP_ADVERT = 22,
2638 WLAN_PUB_ACTION_HCCA_TXOP_RESPONSE = 23,
2639 WLAN_PUB_ACTION_PUBLIC_KEY = 24,
2640 WLAN_PUB_ACTION_CHANNEL_AVAIL_QUERY = 25,
2641 WLAN_PUB_ACTION_CHANNEL_SCHEDULE_MGMT = 26,
2642 WLAN_PUB_ACTION_CONTACT_VERI_SIGNAL = 27,
2643 WLAN_PUB_ACTION_GDD_ENABLEMENT_REQ = 28,
2644 WLAN_PUB_ACTION_GDD_ENABLEMENT_RESP = 29,
2645 WLAN_PUB_ACTION_NETWORK_CHANNEL_CONTROL = 30,
2646 WLAN_PUB_ACTION_WHITE_SPACE_MAP_ANN = 31,
2647 WLAN_PUB_ACTION_FTM_REQUEST = 32,
2648 WLAN_PUB_ACTION_FTM = 33,
2649 WLAN_PUB_ACTION_FILS_DISCOVERY = 34,
2650};
2651
2652/* TDLS action codes */
2653enum ieee80211_tdls_actioncode {
2654 WLAN_TDLS_SETUP_REQUEST = 0,
2655 WLAN_TDLS_SETUP_RESPONSE = 1,
2656 WLAN_TDLS_SETUP_CONFIRM = 2,
2657 WLAN_TDLS_TEARDOWN = 3,
2658 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2659 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2660 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2661 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2662 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2663 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2664 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2665};
2666
2667/* Extended Channel Switching capability to be set in the 1st byte of
2668 * the @WLAN_EID_EXT_CAPABILITY information element
2669 */
2670#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2671
2672/* Multiple BSSID capability is set in the 6th bit of 3rd byte of the
2673 * @WLAN_EID_EXT_CAPABILITY information element
2674 */
2675#define WLAN_EXT_CAPA3_MULTI_BSSID_SUPPORT BIT(6)
2676
2677/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2678#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2679#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2680#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2681
2682/* Interworking capabilities are set in 7th bit of 4th byte of the
2683 * @WLAN_EID_EXT_CAPABILITY information element
2684 */
2685#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2686
2687/*
2688 * TDLS capabililites to be enabled in the 5th byte of the
2689 * @WLAN_EID_EXT_CAPABILITY information element
2690 */
2691#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2692#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2693#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
2694
2695#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
2696#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2697
2698/* Defines the maximal number of MSDUs in an A-MSDU. */
2699#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2700#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2701
2702/*
2703 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2704 * information element
2705 */
2706#define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2707
2708/* Defines support for TWT Requester and TWT Responder */
2709#define WLAN_EXT_CAPA10_TWT_REQUESTER_SUPPORT BIT(5)
2710#define WLAN_EXT_CAPA10_TWT_RESPONDER_SUPPORT BIT(6)
2711
2712/* Defines support for enhanced multi-bssid advertisement*/
2713#define WLAN_EXT_CAPA11_EMA_SUPPORT BIT(1)
2714
2715/* TDLS specific payload type in the LLC/SNAP header */
2716#define WLAN_TDLS_SNAP_RFTYPE 0x2
2717
2718/* BSS Coex IE information field bits */
2719#define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2720
2721/**
2722 * enum ieee80211_mesh_sync_method - mesh synchronization method identifier
2723 *
2724 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2725 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2726 * that will be specified in a vendor specific information element
2727 */
2728enum ieee80211_mesh_sync_method {
2729 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2730 IEEE80211_SYNC_METHOD_VENDOR = 255,
2731};
2732
2733/**
2734 * enum ieee80211_mesh_path_protocol - mesh path selection protocol identifier
2735 *
2736 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2737 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2738 * be specified in a vendor specific information element
2739 */
2740enum ieee80211_mesh_path_protocol {
2741 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2742 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2743};
2744
2745/**
2746 * enum ieee80211_mesh_path_metric - mesh path selection metric identifier
2747 *
2748 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2749 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2750 * specified in a vendor specific information element
2751 */
2752enum ieee80211_mesh_path_metric {
2753 IEEE80211_PATH_METRIC_AIRTIME = 1,
2754 IEEE80211_PATH_METRIC_VENDOR = 255,
2755};
2756
2757/**
2758 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2759 *
2760 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2761 *
2762 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2763 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2764 * this value
2765 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2766 * the proactive PREQ with proactive PREP subfield set to 0
2767 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2768 * supports the proactive PREQ with proactive PREP subfield set to 1
2769 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2770 * the proactive RANN
2771 */
2772enum ieee80211_root_mode_identifier {
2773 IEEE80211_ROOTMODE_NO_ROOT = 0,
2774 IEEE80211_ROOTMODE_ROOT = 1,
2775 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2776 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2777 IEEE80211_PROACTIVE_RANN = 4,
2778};
2779
2780/*
2781 * IEEE 802.11-2007 7.3.2.9 Country information element
2782 *
2783 * Minimum length is 8 octets, ie len must be evenly
2784 * divisible by 2
2785 */
2786
2787/* Although the spec says 8 I'm seeing 6 in practice */
2788#define IEEE80211_COUNTRY_IE_MIN_LEN 6
2789
2790/* The Country String field of the element shall be 3 octets in length */
2791#define IEEE80211_COUNTRY_STRING_LEN 3
2792
2793/*
2794 * For regulatory extension stuff see IEEE 802.11-2007
2795 * Annex I (page 1141) and Annex J (page 1147). Also
2796 * review 7.3.2.9.
2797 *
2798 * When dot11RegulatoryClassesRequired is true and the
2799 * first_channel/reg_extension_id is >= 201 then the IE
2800 * compromises of the 'ext' struct represented below:
2801 *
2802 * - Regulatory extension ID - when generating IE this just needs
2803 * to be monotonically increasing for each triplet passed in
2804 * the IE
2805 * - Regulatory class - index into set of rules
2806 * - Coverage class - index into air propagation time (Table 7-27),
2807 * in microseconds, you can compute the air propagation time from
2808 * the index by multiplying by 3, so index 10 yields a propagation
2809 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2810 * yet. A value of 0 inicates air propagation of <= 1 us.
2811 *
2812 * See also Table I.2 for Emission limit sets and table
2813 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2814 * a reg_class to an emission limit set and behavior limit set.
2815 */
2816#define IEEE80211_COUNTRY_EXTENSION_ID 201
2817
2818/*
2819 * Channels numbers in the IE must be monotonically increasing
2820 * if dot11RegulatoryClassesRequired is not true.
2821 *
2822 * If dot11RegulatoryClassesRequired is true consecutive
2823 * subband triplets following a regulatory triplet shall
2824 * have monotonically increasing first_channel number fields.
2825 *
2826 * Channel numbers shall not overlap.
2827 *
2828 * Note that max_power is signed.
2829 */
2830struct ieee80211_country_ie_triplet {
2831 union {
2832 struct {
2833 u8 first_channel;
2834 u8 num_channels;
2835 s8 max_power;
2836 } __packed chans;
2837 struct {
2838 u8 reg_extension_id;
2839 u8 reg_class;
2840 u8 coverage_class;
2841 } __packed ext;
2842 };
2843} __packed;
2844
2845enum ieee80211_timeout_interval_type {
2846 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2847 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2848 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2849};
2850
2851/**
2852 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2853 * @type: type, see &enum ieee80211_timeout_interval_type
2854 * @value: timeout interval value
2855 */
2856struct ieee80211_timeout_interval_ie {
2857 u8 type;
2858 __le32 value;
2859} __packed;
2860
2861/**
2862 * enum ieee80211_idle_options - BSS idle options
2863 * @WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE: the station should send an RSN
2864 * protected frame to the AP to reset the idle timer at the AP for
2865 * the station.
2866 */
2867enum ieee80211_idle_options {
2868 WLAN_IDLE_OPTIONS_PROTECTED_KEEP_ALIVE = BIT(0),
2869};
2870
2871/**
2872 * struct ieee80211_bss_max_idle_period_ie
2873 *
2874 * This structure refers to "BSS Max idle period element"
2875 *
2876 * @max_idle_period: indicates the time period during which a station can
2877 * refrain from transmitting frames to its associated AP without being
2878 * disassociated. In units of 1000 TUs.
2879 * @idle_options: indicates the options associated with the BSS idle capability
2880 * as specified in &enum ieee80211_idle_options.
2881 */
2882struct ieee80211_bss_max_idle_period_ie {
2883 __le16 max_idle_period;
2884 u8 idle_options;
2885} __packed;
2886
2887/* BACK action code */
2888enum ieee80211_back_actioncode {
2889 WLAN_ACTION_ADDBA_REQ = 0,
2890 WLAN_ACTION_ADDBA_RESP = 1,
2891 WLAN_ACTION_DELBA = 2,
2892};
2893
2894/* BACK (block-ack) parties */
2895enum ieee80211_back_parties {
2896 WLAN_BACK_RECIPIENT = 0,
2897 WLAN_BACK_INITIATOR = 1,
2898};
2899
2900/* SA Query action */
2901enum ieee80211_sa_query_action {
2902 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2903 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2904};
2905
2906/**
2907 * struct ieee80211_bssid_index
2908 *
2909 * This structure refers to "Multiple BSSID-index element"
2910 *
2911 * @bssid_index: BSSID index
2912 * @dtim_period: optional, overrides transmitted BSS dtim period
2913 * @dtim_count: optional, overrides transmitted BSS dtim count
2914 */
2915struct ieee80211_bssid_index {
2916 u8 bssid_index;
2917 u8 dtim_period;
2918 u8 dtim_count;
2919};
2920
2921/**
2922 * struct ieee80211_multiple_bssid_configuration
2923 *
2924 * This structure refers to "Multiple BSSID Configuration element"
2925 *
2926 * @bssid_count: total number of active BSSIDs in the set
2927 * @profile_periodicity: the least number of beacon frames need to be received
2928 * in order to discover all the nontransmitted BSSIDs in the set.
2929 */
2930struct ieee80211_multiple_bssid_configuration {
2931 u8 bssid_count;
2932 u8 profile_periodicity;
2933};
2934
2935#define SUITE(oui, id) (((oui) << 8) | (id))
2936
2937/* cipher suite selectors */
2938#define WLAN_CIPHER_SUITE_USE_GROUP SUITE(0x000FAC, 0)
2939#define WLAN_CIPHER_SUITE_WEP40 SUITE(0x000FAC, 1)
2940#define WLAN_CIPHER_SUITE_TKIP SUITE(0x000FAC, 2)
2941/* reserved: SUITE(0x000FAC, 3) */
2942#define WLAN_CIPHER_SUITE_CCMP SUITE(0x000FAC, 4)
2943#define WLAN_CIPHER_SUITE_WEP104 SUITE(0x000FAC, 5)
2944#define WLAN_CIPHER_SUITE_AES_CMAC SUITE(0x000FAC, 6)
2945#define WLAN_CIPHER_SUITE_GCMP SUITE(0x000FAC, 8)
2946#define WLAN_CIPHER_SUITE_GCMP_256 SUITE(0x000FAC, 9)
2947#define WLAN_CIPHER_SUITE_CCMP_256 SUITE(0x000FAC, 10)
2948#define WLAN_CIPHER_SUITE_BIP_GMAC_128 SUITE(0x000FAC, 11)
2949#define WLAN_CIPHER_SUITE_BIP_GMAC_256 SUITE(0x000FAC, 12)
2950#define WLAN_CIPHER_SUITE_BIP_CMAC_256 SUITE(0x000FAC, 13)
2951
2952#define WLAN_CIPHER_SUITE_SMS4 SUITE(0x001472, 1)
2953
2954/* AKM suite selectors */
2955#define WLAN_AKM_SUITE_8021X SUITE(0x000FAC, 1)
2956#define WLAN_AKM_SUITE_PSK SUITE(0x000FAC, 2)
2957#define WLAN_AKM_SUITE_FT_8021X SUITE(0x000FAC, 3)
2958#define WLAN_AKM_SUITE_FT_PSK SUITE(0x000FAC, 4)
2959#define WLAN_AKM_SUITE_8021X_SHA256 SUITE(0x000FAC, 5)
2960#define WLAN_AKM_SUITE_PSK_SHA256 SUITE(0x000FAC, 6)
2961#define WLAN_AKM_SUITE_TDLS SUITE(0x000FAC, 7)
2962#define WLAN_AKM_SUITE_SAE SUITE(0x000FAC, 8)
2963#define WLAN_AKM_SUITE_FT_OVER_SAE SUITE(0x000FAC, 9)
2964#define WLAN_AKM_SUITE_8021X_SUITE_B SUITE(0x000FAC, 11)
2965#define WLAN_AKM_SUITE_8021X_SUITE_B_192 SUITE(0x000FAC, 12)
2966#define WLAN_AKM_SUITE_FILS_SHA256 SUITE(0x000FAC, 14)
2967#define WLAN_AKM_SUITE_FILS_SHA384 SUITE(0x000FAC, 15)
2968#define WLAN_AKM_SUITE_FT_FILS_SHA256 SUITE(0x000FAC, 16)
2969#define WLAN_AKM_SUITE_FT_FILS_SHA384 SUITE(0x000FAC, 17)
2970
2971#define WLAN_MAX_KEY_LEN 32
2972
2973#define WLAN_PMK_NAME_LEN 16
2974#define WLAN_PMKID_LEN 16
2975#define WLAN_PMK_LEN_EAP_LEAP 16
2976#define WLAN_PMK_LEN 32
2977#define WLAN_PMK_LEN_SUITE_B_192 48
2978
2979#define WLAN_OUI_WFA 0x506f9a
2980#define WLAN_OUI_TYPE_WFA_P2P 9
2981#define WLAN_OUI_MICROSOFT 0x0050f2
2982#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2983#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2984#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2985#define WLAN_OUI_TYPE_MICROSOFT_TPC 8
2986
2987/*
2988 * WMM/802.11e Tspec Element
2989 */
2990#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2991#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2992
2993enum ieee80211_tspec_status_code {
2994 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2995 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2996};
2997
2998struct ieee80211_tspec_ie {
2999 u8 element_id;
3000 u8 len;
3001 u8 oui[3];
3002 u8 oui_type;
3003 u8 oui_subtype;
3004 u8 version;
3005 __le16 tsinfo;
3006 u8 tsinfo_resvd;
3007 __le16 nominal_msdu;
3008 __le16 max_msdu;
3009 __le32 min_service_int;
3010 __le32 max_service_int;
3011 __le32 inactivity_int;
3012 __le32 suspension_int;
3013 __le32 service_start_time;
3014 __le32 min_data_rate;
3015 __le32 mean_data_rate;
3016 __le32 peak_data_rate;
3017 __le32 max_burst_size;
3018 __le32 delay_bound;
3019 __le32 min_phy_rate;
3020 __le16 sba;
3021 __le16 medium_time;
3022} __packed;
3023
3024/**
3025 * ieee80211_get_qos_ctl - get pointer to qos control bytes
3026 * @hdr: the frame
3027 *
3028 * The qos ctrl bytes come after the frame_control, duration, seq_num
3029 * and 3 or 4 addresses of length ETH_ALEN.
3030 * 3 addr: 2 + 2 + 2 + 3*6 = 24
3031 * 4 addr: 2 + 2 + 2 + 4*6 = 30
3032 */
3033static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
3034{
3035 if (ieee80211_has_a4(hdr->frame_control))
3036 return (u8 *)hdr + 30;
3037 else
3038 return (u8 *)hdr + 24;
3039}
3040
3041/**
3042 * ieee80211_get_tid - get qos TID
3043 * @hdr: the frame
3044 */
3045static inline u8 ieee80211_get_tid(struct ieee80211_hdr *hdr)
3046{
3047 u8 *qc = ieee80211_get_qos_ctl(hdr);
3048
3049 return qc[0] & IEEE80211_QOS_CTL_TID_MASK;
3050}
3051
3052/**
3053 * ieee80211_get_SA - get pointer to SA
3054 * @hdr: the frame
3055 *
3056 * Given an 802.11 frame, this function returns the offset
3057 * to the source address (SA). It does not verify that the
3058 * header is long enough to contain the address, and the
3059 * header must be long enough to contain the frame control
3060 * field.
3061 */
3062static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
3063{
3064 if (ieee80211_has_a4(hdr->frame_control))
3065 return hdr->addr4;
3066 if (ieee80211_has_fromds(hdr->frame_control))
3067 return hdr->addr3;
3068 return hdr->addr2;
3069}
3070
3071/**
3072 * ieee80211_get_DA - get pointer to DA
3073 * @hdr: the frame
3074 *
3075 * Given an 802.11 frame, this function returns the offset
3076 * to the destination address (DA). It does not verify that
3077 * the header is long enough to contain the address, and the
3078 * header must be long enough to contain the frame control
3079 * field.
3080 */
3081static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
3082{
3083 if (ieee80211_has_tods(hdr->frame_control))
3084 return hdr->addr3;
3085 else
3086 return hdr->addr1;
3087}
3088
3089/**
3090 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
3091 * @hdr: the frame (buffer must include at least the first octet of payload)
3092 */
3093static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
3094{
3095 if (ieee80211_is_disassoc(hdr->frame_control) ||
3096 ieee80211_is_deauth(hdr->frame_control))
3097 return true;
3098
3099 if (ieee80211_is_action(hdr->frame_control)) {
3100 u8 *category;
3101
3102 /*
3103 * Action frames, excluding Public Action frames, are Robust
3104 * Management Frames. However, if we are looking at a Protected
3105 * frame, skip the check since the data may be encrypted and
3106 * the frame has already been found to be a Robust Management
3107 * Frame (by the other end).
3108 */
3109 if (ieee80211_has_protected(hdr->frame_control))
3110 return true;
3111 category = ((u8 *) hdr) + 24;
3112 return *category != WLAN_CATEGORY_PUBLIC &&
3113 *category != WLAN_CATEGORY_HT &&
3114 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
3115 *category != WLAN_CATEGORY_SELF_PROTECTED &&
3116 *category != WLAN_CATEGORY_UNPROT_DMG &&
3117 *category != WLAN_CATEGORY_VHT &&
3118 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
3119 }
3120
3121 return false;
3122}
3123
3124/**
3125 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
3126 * @skb: the skb containing the frame, length will be checked
3127 */
3128static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
3129{
3130 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3131 return false;
3132 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
3133}
3134
3135/**
3136 * ieee80211_is_public_action - check if frame is a public action frame
3137 * @hdr: the frame
3138 * @len: length of the frame
3139 */
3140static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
3141 size_t len)
3142{
3143 struct ieee80211_mgmt *mgmt = (void *)hdr;
3144
3145 if (len < IEEE80211_MIN_ACTION_SIZE)
3146 return false;
3147 if (!ieee80211_is_action(hdr->frame_control))
3148 return false;
3149 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
3150}
3151
3152/**
3153 * _ieee80211_is_group_privacy_action - check if frame is a group addressed
3154 * privacy action frame
3155 * @hdr: the frame
3156 */
3157static inline bool _ieee80211_is_group_privacy_action(struct ieee80211_hdr *hdr)
3158{
3159 struct ieee80211_mgmt *mgmt = (void *)hdr;
3160
3161 if (!ieee80211_is_action(hdr->frame_control) ||
3162 !is_multicast_ether_addr(hdr->addr1))
3163 return false;
3164
3165 return mgmt->u.action.category == WLAN_CATEGORY_MESH_ACTION ||
3166 mgmt->u.action.category == WLAN_CATEGORY_MULTIHOP_ACTION;
3167}
3168
3169/**
3170 * ieee80211_is_group_privacy_action - check if frame is a group addressed
3171 * privacy action frame
3172 * @skb: the skb containing the frame, length will be checked
3173 */
3174static inline bool ieee80211_is_group_privacy_action(struct sk_buff *skb)
3175{
3176 if (skb->len < IEEE80211_MIN_ACTION_SIZE)
3177 return false;
3178 return _ieee80211_is_group_privacy_action((void *)skb->data);
3179}
3180
3181/**
3182 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
3183 * @tu: the TUs
3184 */
3185static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
3186{
3187 return 1024 * tu;
3188}
3189
3190/**
3191 * ieee80211_check_tim - check if AID bit is set in TIM
3192 * @tim: the TIM IE
3193 * @tim_len: length of the TIM IE
3194 * @aid: the AID to look for
3195 */
3196static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
3197 u8 tim_len, u16 aid)
3198{
3199 u8 mask;
3200 u8 index, indexn1, indexn2;
3201
3202 if (unlikely(!tim || tim_len < sizeof(*tim)))
3203 return false;
3204
3205 aid &= 0x3fff;
3206 index = aid / 8;
3207 mask = 1 << (aid & 7);
3208
3209 indexn1 = tim->bitmap_ctrl & 0xfe;
3210 indexn2 = tim_len + indexn1 - 4;
3211
3212 if (index < indexn1 || index > indexn2)
3213 return false;
3214
3215 index -= indexn1;
3216
3217 return !!(tim->virtual_map[index] & mask);
3218}
3219
3220/**
3221 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
3222 * @skb: the skb containing the frame, length will not be checked
3223 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
3224 *
3225 * This function assumes the frame is a data frame, and that the network header
3226 * is in the correct place.
3227 */
3228static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
3229{
3230 if (!skb_is_nonlinear(skb) &&
3231 skb->len > (skb_network_offset(skb) + 2)) {
3232 /* Point to where the indication of TDLS should start */
3233 const u8 *tdls_data = skb_network_header(skb) - 2;
3234
3235 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
3236 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
3237 tdls_data[3] == WLAN_CATEGORY_TDLS)
3238 return tdls_data[4];
3239 }
3240
3241 return -1;
3242}
3243
3244/* convert time units */
3245#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
3246#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
3247
3248/**
3249 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
3250 * @skb: the skb containing the frame, length will be checked
3251 *
3252 * This function checks if it's either TPC report action frame or Link
3253 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
3254 * and 8.5.7.5 accordingly.
3255 */
3256static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
3257{
3258 struct ieee80211_mgmt *mgmt = (void *)skb->data;
3259
3260 if (!ieee80211_is_action(mgmt->frame_control))
3261 return false;
3262
3263 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
3264 sizeof(mgmt->u.action.u.tpc_report))
3265 return false;
3266
3267 /*
3268 * TPC report - check that:
3269 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
3270 * spectrum management action = 3 (TPC/Link Measurement report)
3271 * TPC report EID = 35
3272 * TPC report element length = 2
3273 *
3274 * The spectrum management's tpc_report struct is used here both for
3275 * parsing tpc_report and radio measurement's link measurement report
3276 * frame, since the relevant part is identical in both frames.
3277 */
3278 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
3279 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
3280 return false;
3281
3282 /* both spectrum mgmt and link measurement have same action code */
3283 if (mgmt->u.action.u.tpc_report.action_code !=
3284 WLAN_ACTION_SPCT_TPC_RPRT)
3285 return false;
3286
3287 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
3288 mgmt->u.action.u.tpc_report.tpc_elem_length !=
3289 sizeof(struct ieee80211_tpc_report_ie))
3290 return false;
3291
3292 return true;
3293}
3294
3295struct element {
3296 u8 id;
3297 u8 datalen;
3298 u8 data[];
3299} __packed;
3300
3301/* element iteration helpers */
3302#define for_each_element(_elem, _data, _datalen) \
3303 for (_elem = (const struct element *)(_data); \
3304 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3305 (int)sizeof(*_elem) && \
3306 (const u8 *)(_data) + (_datalen) - (const u8 *)_elem >= \
3307 (int)sizeof(*_elem) + _elem->datalen; \
3308 _elem = (const struct element *)(_elem->data + _elem->datalen))
3309
3310#define for_each_element_id(element, _id, data, datalen) \
3311 for_each_element(element, data, datalen) \
3312 if (element->id == (_id))
3313
3314#define for_each_element_extid(element, extid, _data, _datalen) \
3315 for_each_element(element, _data, _datalen) \
3316 if (element->id == WLAN_EID_EXTENSION && \
3317 element->datalen > 0 && \
3318 element->data[0] == (extid))
3319
3320#define for_each_subelement(sub, element) \
3321 for_each_element(sub, (element)->data, (element)->datalen)
3322
3323#define for_each_subelement_id(sub, id, element) \
3324 for_each_element_id(sub, id, (element)->data, (element)->datalen)
3325
3326#define for_each_subelement_extid(sub, extid, element) \
3327 for_each_element_extid(sub, extid, (element)->data, (element)->datalen)
3328
3329/**
3330 * for_each_element_completed - determine if element parsing consumed all data
3331 * @element: element pointer after for_each_element() or friends
3332 * @data: same data pointer as passed to for_each_element() or friends
3333 * @datalen: same data length as passed to for_each_element() or friends
3334 *
3335 * This function returns %true if all the data was parsed or considered
3336 * while walking the elements. Only use this if your for_each_element()
3337 * loop cannot be broken out of, otherwise it always returns %false.
3338 *
3339 * If some data was malformed, this returns %false since the last parsed
3340 * element will not fill the whole remaining data.
3341 */
3342static inline bool for_each_element_completed(const struct element *element,
3343 const void *data, size_t datalen)
3344{
3345 return (const u8 *)element == (const u8 *)data + datalen;
3346}
3347
3348#endif /* LINUX_IEEE80211_H */