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[deliverable/linux.git] / include / linux / ieee80211.h
CommitLineData
a9de8ce0
JB		 1/*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
2740f0cf 9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
a9de8ce0
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
9387b7ca
JL		 16#ifndef LINUX_IEEE80211_H
17#define LINUX_IEEE80211_H
a9de8ce0
JB		 18
19#include <linux/types.h>
574e2af7 20#include <linux/if_ether.h>
f97df02e 21#include <asm/byteorder.h>
a9de8ce0 22
3f46b29c
JB		 23/*
24 * DS bit usage
25 *
26 * TA = transmitter address
27 * RA = receiver address
28 * DA = destination address
29 * SA = source address
30 *
31 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
32 * -----------------------------------------------------------------
33 * 0 0 DA SA BSSID - IBSS/DLS
34 * 0 1 DA BSSID SA - AP -> STA
35 * 1 0 BSSID SA DA - AP <- STA
36 * 1 1 RA TA DA SA unspecified (WDS)
37 */
38
a9de8ce0
JB		 39#define FCS_LEN 4
40
41#define IEEE80211_FCTL_VERS 0x0003
42#define IEEE80211_FCTL_FTYPE 0x000c
43#define IEEE80211_FCTL_STYPE 0x00f0
44#define IEEE80211_FCTL_TODS 0x0100
45#define IEEE80211_FCTL_FROMDS 0x0200
46#define IEEE80211_FCTL_MOREFRAGS 0x0400
47#define IEEE80211_FCTL_RETRY 0x0800
48#define IEEE80211_FCTL_PM 0x1000
49#define IEEE80211_FCTL_MOREDATA 0x2000
50#define IEEE80211_FCTL_PROTECTED 0x4000
51#define IEEE80211_FCTL_ORDER 0x8000
b188148c 52#define IEEE80211_FCTL_CTL_EXT 0x0f00
a9de8ce0
JB		 53
54#define IEEE80211_SCTL_FRAG 0x000F
55#define IEEE80211_SCTL_SEQ 0xFFF0
56
57#define IEEE80211_FTYPE_MGMT 0x0000
58#define IEEE80211_FTYPE_CTL 0x0004
59#define IEEE80211_FTYPE_DATA 0x0008
b188148c 60#define IEEE80211_FTYPE_EXT 0x000c
a9de8ce0
JB		 61
62/* management */
63#define IEEE80211_STYPE_ASSOC_REQ 0x0000
64#define IEEE80211_STYPE_ASSOC_RESP 0x0010
65#define IEEE80211_STYPE_REASSOC_REQ 0x0020
66#define IEEE80211_STYPE_REASSOC_RESP 0x0030
67#define IEEE80211_STYPE_PROBE_REQ 0x0040
68#define IEEE80211_STYPE_PROBE_RESP 0x0050
69#define IEEE80211_STYPE_BEACON 0x0080
70#define IEEE80211_STYPE_ATIM 0x0090
71#define IEEE80211_STYPE_DISASSOC 0x00A0
72#define IEEE80211_STYPE_AUTH 0x00B0
73#define IEEE80211_STYPE_DEAUTH 0x00C0
74#define IEEE80211_STYPE_ACTION 0x00D0
75
76/* control */
b188148c 77#define IEEE80211_STYPE_CTL_EXT 0x0060
6b4e3241
RR		 78#define IEEE80211_STYPE_BACK_REQ 0x0080
79#define IEEE80211_STYPE_BACK 0x0090
a9de8ce0
JB		 80#define IEEE80211_STYPE_PSPOLL 0x00A0
81#define IEEE80211_STYPE_RTS 0x00B0
82#define IEEE80211_STYPE_CTS 0x00C0
83#define IEEE80211_STYPE_ACK 0x00D0
84#define IEEE80211_STYPE_CFEND 0x00E0
85#define IEEE80211_STYPE_CFENDACK 0x00F0
86
87/* data */
88#define IEEE80211_STYPE_DATA 0x0000
89#define IEEE80211_STYPE_DATA_CFACK 0x0010
90#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
91#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
92#define IEEE80211_STYPE_NULLFUNC 0x0040
93#define IEEE80211_STYPE_CFACK 0x0050
94#define IEEE80211_STYPE_CFPOLL 0x0060
95#define IEEE80211_STYPE_CFACKPOLL 0x0070
96#define IEEE80211_STYPE_QOS_DATA 0x0080
97#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
98#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
99#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
100#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
101#define IEEE80211_STYPE_QOS_CFACK 0x00D0
102#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
103#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
104
b188148c
VK		 105/* extension, added by 802.11ad */
106#define IEEE80211_STYPE_DMG_BEACON 0x0000
107
108/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
109#define IEEE80211_CTL_EXT_POLL 0x2000
110#define IEEE80211_CTL_EXT_SPR 0x3000
111#define IEEE80211_CTL_EXT_GRANT 0x4000
112#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
113#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
114#define IEEE80211_CTL_EXT_SSW 0x8000
115#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
116#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
a9de8ce0 117
9a886586
JB		 118
119#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
120#define IEEE80211_MAX_SN IEEE80211_SN_MASK
121#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
122
123static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
124{
125 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
126}
127
128static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
129{
130 return (sn1 + sn2) & IEEE80211_SN_MASK;
131}
132
133static inline u16 ieee80211_sn_inc(u16 sn)
134{
135 return ieee80211_sn_add(sn, 1);
136}
137
138static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
139{
140 return (sn1 - sn2) & IEEE80211_SN_MASK;
141}
142
143#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
144#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
145
a9de8ce0 146/* miscellaneous IEEE 802.11 constants */
c237899d
MW		 147#define IEEE80211_MAX_FRAG_THRESHOLD 2352
148#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0
JB		 149#define IEEE80211_MAX_AID 2007
150#define IEEE80211_MAX_TIM_LEN 251
e05ecccd 151#define IEEE80211_MAX_MESH_PEERINGS 63
a9de8ce0
JB		 152/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
153 6.2.1.1.2.
154
c237899d
MW		 155 802.11e clarifies the figure in section 7.1.2. The frame body is
156 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
157#define IEEE80211_MAX_DATA_LEN 2304
aa475b0e
VK		 158/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
159 * to 7920 bytes, see 8.2.3 General frame format
160 */
161#define IEEE80211_MAX_DATA_LEN_DMG 7920
c237899d
MW		 162/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
163#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0
JB		 164
165#define IEEE80211_MAX_SSID_LEN 32
1239cd58 166
37c57989 167#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 168
960d01ac 169#define IEEE80211_FIRST_TSPEC_TSID 8
5a306f58
JB		 170#define IEEE80211_NUM_TIDS 16
171
960d01ac
JB		 172/* number of user priorities 802.11 uses */
173#define IEEE80211_NUM_UPS 8
174
fd7c8a40 175#define IEEE80211_QOS_CTL_LEN 2
04b7dcf9
JB		 176/* 1d tag mask */
177#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
178/* TID mask */
179#define IEEE80211_QOS_CTL_TID_MASK 0x000f
180/* EOSP */
181#define IEEE80211_QOS_CTL_EOSP 0x0010
182/* ACK policy */
183#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
184#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
185#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
186#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
6cc00d54 187#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
04b7dcf9
JB		 188/* A-MSDU 802.11n */
189#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
2154c81c
JC		 190/* Mesh Control 802.11s */
191#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 192
3f52b7e3
MP		 193/* Mesh Power Save Level */
194#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
195/* Mesh Receiver Service Period Initiated */
196#define IEEE80211_QOS_CTL_RSPI 0x0400
197
ab13315a
KV		 198/* U-APSD queue for WMM IEs sent by AP */
199#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 200#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 201
202/* U-APSD queues for WMM IEs sent by STA */
203#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
204#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
205#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
206#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
207#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
208
209/* U-APSD max SP length for WMM IEs sent by STA */
210#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
211#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
212#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
213#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
214#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
215#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
216
d0dd2de0
AT		 217#define IEEE80211_HT_CTL_LEN 4
218
a9de8ce0
JB		 219struct ieee80211_hdr {
220 __le16 frame_control;
221 __le16 duration_id;
574e2af7
JP		 222 u8 addr1[ETH_ALEN];
223 u8 addr2[ETH_ALEN];
224 u8 addr3[ETH_ALEN];
a9de8ce0 225 __le16 seq_ctrl;
574e2af7 226 u8 addr4[ETH_ALEN];
b8a31c9a 227} __packed __aligned(2);
a9de8ce0 228
7044cc56
KV		 229struct ieee80211_hdr_3addr {
230 __le16 frame_control;
231 __le16 duration_id;
574e2af7
JP		 232 u8 addr1[ETH_ALEN];
233 u8 addr2[ETH_ALEN];
234 u8 addr3[ETH_ALEN];
7044cc56 235 __le16 seq_ctrl;
b8a31c9a 236} __packed __aligned(2);
7044cc56 237
558a6669
KV		 238struct ieee80211_qos_hdr {
239 __le16 frame_control;
240 __le16 duration_id;
574e2af7
JP		 241 u8 addr1[ETH_ALEN];
242 u8 addr2[ETH_ALEN];
243 u8 addr3[ETH_ALEN];
558a6669
KV		 244 __le16 seq_ctrl;
245 __le16 qos_ctrl;
b8a31c9a 246} __packed __aligned(2);
558a6669 247
fd7c8a40
HH		 248/**
249 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
250 * @fc: frame control bytes in little-endian byteorder
251 */
252static inline int ieee80211_has_tods(__le16 fc)
253{
254 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
255}
256
257/**
258 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
259 * @fc: frame control bytes in little-endian byteorder
260 */
261static inline int ieee80211_has_fromds(__le16 fc)
262{
263 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
264}
265
266/**
267 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
268 * @fc: frame control bytes in little-endian byteorder
269 */
270static inline int ieee80211_has_a4(__le16 fc)
271{
272 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
273 return (fc & tmp) == tmp;
274}
275
276/**
277 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
278 * @fc: frame control bytes in little-endian byteorder
279 */
280static inline int ieee80211_has_morefrags(__le16 fc)
281{
282 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
283}
284
285/**
286 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
287 * @fc: frame control bytes in little-endian byteorder
288 */
289static inline int ieee80211_has_retry(__le16 fc)
290{
291 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
292}
293
294/**
295 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
296 * @fc: frame control bytes in little-endian byteorder
297 */
298static inline int ieee80211_has_pm(__le16 fc)
299{
300 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
301}
302
303/**
304 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
305 * @fc: frame control bytes in little-endian byteorder
306 */
307static inline int ieee80211_has_moredata(__le16 fc)
308{
309 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
310}
311
312/**
313 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
314 * @fc: frame control bytes in little-endian byteorder
315 */
316static inline int ieee80211_has_protected(__le16 fc)
317{
318 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
319}
320
321/**
322 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
323 * @fc: frame control bytes in little-endian byteorder
324 */
325static inline int ieee80211_has_order(__le16 fc)
326{
327 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
328}
329
330/**
331 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
332 * @fc: frame control bytes in little-endian byteorder
333 */
334static inline int ieee80211_is_mgmt(__le16 fc)
335{
336 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
337 cpu_to_le16(IEEE80211_FTYPE_MGMT);
338}
339
340/**
341 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
342 * @fc: frame control bytes in little-endian byteorder
343 */
344static inline int ieee80211_is_ctl(__le16 fc)
345{
346 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
347 cpu_to_le16(IEEE80211_FTYPE_CTL);
348}
349
350/**
351 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
352 * @fc: frame control bytes in little-endian byteorder
353 */
354static inline int ieee80211_is_data(__le16 fc)
355{
356 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
357 cpu_to_le16(IEEE80211_FTYPE_DATA);
358}
359
360/**
361 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
362 * @fc: frame control bytes in little-endian byteorder
363 */
364static inline int ieee80211_is_data_qos(__le16 fc)
365{
366 /*
367 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
368 * to check the one bit
369 */
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
371 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
372}
373
374/**
375 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
376 * @fc: frame control bytes in little-endian byteorder
377 */
378static inline int ieee80211_is_data_present(__le16 fc)
379{
380 /*
381 * mask with 0x40 and test that that bit is clear to only return true
382 * for the data-containing substypes.
383 */
384 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
385 cpu_to_le16(IEEE80211_FTYPE_DATA);
386}
387
388/**
389 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
390 * @fc: frame control bytes in little-endian byteorder
391 */
392static inline int ieee80211_is_assoc_req(__le16 fc)
393{
394 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
395 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
396}
397
398/**
399 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
400 * @fc: frame control bytes in little-endian byteorder
401 */
402static inline int ieee80211_is_assoc_resp(__le16 fc)
403{
404 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
405 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
406}
407
408/**
409 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
410 * @fc: frame control bytes in little-endian byteorder
411 */
412static inline int ieee80211_is_reassoc_req(__le16 fc)
413{
414 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
415 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
416}
417
418/**
419 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
420 * @fc: frame control bytes in little-endian byteorder
421 */
422static inline int ieee80211_is_reassoc_resp(__le16 fc)
423{
424 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
425 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
426}
427
428/**
429 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
430 * @fc: frame control bytes in little-endian byteorder
431 */
432static inline int ieee80211_is_probe_req(__le16 fc)
433{
434 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
435 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
436}
437
438/**
439 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
440 * @fc: frame control bytes in little-endian byteorder
441 */
442static inline int ieee80211_is_probe_resp(__le16 fc)
443{
444 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
445 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
446}
447
448/**
449 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
450 * @fc: frame control bytes in little-endian byteorder
451 */
452static inline int ieee80211_is_beacon(__le16 fc)
453{
454 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
455 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
456}
457
458/**
459 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
460 * @fc: frame control bytes in little-endian byteorder
461 */
462static inline int ieee80211_is_atim(__le16 fc)
463{
464 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
465 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
466}
467
468/**
469 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
470 * @fc: frame control bytes in little-endian byteorder
471 */
472static inline int ieee80211_is_disassoc(__le16 fc)
473{
474 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
475 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
476}
477
478/**
479 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
480 * @fc: frame control bytes in little-endian byteorder
481 */
482static inline int ieee80211_is_auth(__le16 fc)
483{
484 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
485 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
486}
487
488/**
489 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
490 * @fc: frame control bytes in little-endian byteorder
491 */
492static inline int ieee80211_is_deauth(__le16 fc)
493{
494 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
495 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
496}
497
498/**
499 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
500 * @fc: frame control bytes in little-endian byteorder
501 */
502static inline int ieee80211_is_action(__le16 fc)
503{
504 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
505 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
506}
507
508/**
509 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
510 * @fc: frame control bytes in little-endian byteorder
511 */
512static inline int ieee80211_is_back_req(__le16 fc)
513{
514 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
515 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
516}
517
518/**
519 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
520 * @fc: frame control bytes in little-endian byteorder
521 */
522static inline int ieee80211_is_back(__le16 fc)
523{
524 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
525 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
526}
527
528/**
529 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
530 * @fc: frame control bytes in little-endian byteorder
531 */
532static inline int ieee80211_is_pspoll(__le16 fc)
533{
534 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
535 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
536}
537
538/**
539 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
540 * @fc: frame control bytes in little-endian byteorder
541 */
542static inline int ieee80211_is_rts(__le16 fc)
543{
544 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
545 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
546}
547
548/**
549 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
550 * @fc: frame control bytes in little-endian byteorder
551 */
552static inline int ieee80211_is_cts(__le16 fc)
553{
554 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
555 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
556}
557
558/**
559 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
560 * @fc: frame control bytes in little-endian byteorder
561 */
562static inline int ieee80211_is_ack(__le16 fc)
563{
564 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
565 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
566}
567
568/**
569 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
570 * @fc: frame control bytes in little-endian byteorder
571 */
572static inline int ieee80211_is_cfend(__le16 fc)
573{
574 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
575 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
576}
577
578/**
579 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
580 * @fc: frame control bytes in little-endian byteorder
581 */
582static inline int ieee80211_is_cfendack(__le16 fc)
583{
584 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
585 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
586}
587
588/**
22403def 589 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 590 * @fc: frame control bytes in little-endian byteorder
591 */
592static inline int ieee80211_is_nullfunc(__le16 fc)
593{
594 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
595 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
596}
a9de8ce0 597
22403def
JB		 598/**
599 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
600 * @fc: frame control bytes in little-endian byteorder
601 */
602static inline int ieee80211_is_qos_nullfunc(__le16 fc)
603{
604 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
605 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
606}
607
b4ba544c
JB		 608/**
609 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
610 * @fc: frame control field in little-endian byteorder
611 */
612static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
613{
614 /* IEEE 802.11-2012, definition of "bufferable management frame";
615 * note that this ignores the IBSS special case. */
616 return ieee80211_is_mgmt(fc) &&
617 (ieee80211_is_action(fc) ||
618 ieee80211_is_disassoc(fc) ||
619 ieee80211_is_deauth(fc));
620}
621
8cb25e14
HS		 622/**
623 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
624 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
625 */
626static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
627{
628 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
629}
630
37c57989
LCC		 631struct ieee80211s_hdr {
632 u8 flags;
633 u8 ttl;
51ceddad 634 __le32 seqnum;
574e2af7
JP		 635 u8 eaddr1[ETH_ALEN];
636 u8 eaddr2[ETH_ALEN];
b8a31c9a 637} __packed __aligned(2);
37c57989 638
79617dee
Y		 639/* Mesh flags */
640#define MESH_FLAGS_AE_A4 0x1
641#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 642#define MESH_FLAGS_AE 0x3
79617dee
Y		 643#define MESH_FLAGS_PS_DEEP 0x4
644
a69cc44f
CYY		 645/**
646 * enum ieee80211_preq_flags - mesh PREQ element flags
647 *
648 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
649 */
650enum ieee80211_preq_flags {
651 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
652};
653
654/**
655 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
656 *
657 * @IEEE80211_PREQ_TO_FLAG: target only subfield
658 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
659 */
660enum ieee80211_preq_target_flags {
661 IEEE80211_PREQ_TO_FLAG = 1<<0,
662 IEEE80211_PREQ_USN_FLAG = 1<<2,
663};
664
f2df3859
AK		 665/**
666 * struct ieee80211_quiet_ie
667 *
668 * This structure refers to "Quiet information element"
669 */
670struct ieee80211_quiet_ie {
671 u8 count;
672 u8 period;
673 __le16 duration;
674 __le16 offset;
598a5938 675} __packed;
f2df3859
AK		 676
677/**
678 * struct ieee80211_msrment_ie
679 *
680 * This structure refers to "Measurement Request/Report information element"
681 */
682struct ieee80211_msrment_ie {
683 u8 token;
684 u8 mode;
685 u8 type;
686 u8 request[0];
598a5938 687} __packed;
f2df3859
AK		 688
689/**
690 * struct ieee80211_channel_sw_ie
691 *
692 * This structure refers to "Channel Switch Announcement information element"
693 */
694struct ieee80211_channel_sw_ie {
695 u8 mode;
696 u8 new_ch_num;
697 u8 count;
598a5938 698} __packed;
37c57989 699
b4f286a1
JB		 700/**
701 * struct ieee80211_ext_chansw_ie
702 *
703 * This structure represents the "Extended Channel Switch Announcement element"
704 */
705struct ieee80211_ext_chansw_ie {
706 u8 mode;
707 u8 new_operating_class;
708 u8 new_ch_num;
709 u8 count;
710} __packed;
711
85220d71
JB		 712/**
713 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
714 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
715 * values here
716 * This structure represents the "Secondary Channel Offset element"
717 */
718struct ieee80211_sec_chan_offs_ie {
719 u8 sec_chan_offs;
720} __packed;
721
8f2535b9
CYY		 722/**
723 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
724 *
725 * This structure represents the "Mesh Channel Switch Paramters element"
726 */
727struct ieee80211_mesh_chansw_params_ie {
728 u8 mesh_ttl;
729 u8 mesh_flags;
730 __le16 mesh_reason;
731 __le16 mesh_pre_value;
732} __packed;
733
b2e506bf
JB		 734/**
735 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
736 */
737struct ieee80211_wide_bw_chansw_ie {
738 u8 new_channel_width;
739 u8 new_center_freq_seg0, new_center_freq_seg1;
740} __packed;
741
98f7dfd8
EG		 742/**
743 * struct ieee80211_tim
744 *
745 * This structure refers to "Traffic Indication Map information element"
746 */
747struct ieee80211_tim_ie {
748 u8 dtim_count;
749 u8 dtim_period;
750 u8 bitmap_ctrl;
751 /* variable size: 1 - 251 bytes */
e7ec86f5 752 u8 virtual_map[1];
598a5938 753} __packed;
98f7dfd8 754
136cfa28
RP		 755/**
756 * struct ieee80211_meshconf_ie
757 *
758 * This structure refers to "Mesh Configuration information element"
759 */
760struct ieee80211_meshconf_ie {
761 u8 meshconf_psel;
762 u8 meshconf_pmetric;
763 u8 meshconf_congest;
764 u8 meshconf_synch;
765 u8 meshconf_auth;
766 u8 meshconf_form;
767 u8 meshconf_cap;
598a5938 768} __packed;
136cfa28 769
65821635
MP		 770/**
771 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
772 *
773 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
774 * additional mesh peerings with other mesh STAs
775 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
776 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
777 * is ongoing
3f52b7e3
MP		 778 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
779 * neighbors in deep sleep mode
65821635
MP		 780 */
781enum mesh_config_capab_flags {
782 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
783 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
784 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
3f52b7e3 785 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
65821635
MP		 786};
787
8f2535b9
CYY		 788/**
789 * mesh channel switch parameters element's flag indicator
790 *
791 */
792#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
793#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
794#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
795
90a5e169
RP		 796/**
797 * struct ieee80211_rann_ie
798 *
799 * This structure refers to "Root Announcement information element"
800 */
801struct ieee80211_rann_ie {
802 u8 rann_flags;
803 u8 rann_hopcount;
804 u8 rann_ttl;
574e2af7 805 u8 rann_addr[ETH_ALEN];
292c41ac
CYY		 806 __le32 rann_seq;
807 __le32 rann_interval;
808 __le32 rann_metric;
598a5938 809} __packed;
90a5e169 810
5ee68e5b
JC		 811enum ieee80211_rann_flags {
812 RANN_FLAG_IS_GATE = 1 << 0,
813};
814
ec61cd63
JB		 815enum ieee80211_ht_chanwidth_values {
816 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
817 IEEE80211_HT_CHANWIDTH_ANY = 1,
818};
819
7bf9b9a0
JB		 820/**
821 * enum ieee80211_opmode_bits - VHT operating mode field bits
822 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
823 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
824 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
825 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
826 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
827 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
828 * (the NSS value is the value of this field + 1)
829 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
830 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
831 * using a beamforming steering matrix
832 */
833enum ieee80211_vht_opmode_bits {
834 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
835 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
836 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
837 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
838 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
839 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
840 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
841 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
842};
843
9dfd6ba3 844#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 845
170fd0b1
AO		 846/**
847 * struct ieee80211_tpc_report_ie
848 *
849 * This structure refers to "TPC Report element"
850 */
851struct ieee80211_tpc_report_ie {
852 u8 tx_power;
853 u8 link_margin;
854} __packed;
855
a9de8ce0
JB		 856struct ieee80211_mgmt {
857 __le16 frame_control;
858 __le16 duration;
574e2af7
JP		 859 u8 da[ETH_ALEN];
860 u8 sa[ETH_ALEN];
861 u8 bssid[ETH_ALEN];
a9de8ce0
JB		 862 __le16 seq_ctrl;
863 union {
864 struct {
865 __le16 auth_alg;
866 __le16 auth_transaction;
867 __le16 status_code;
868 /* possibly followed by Challenge text */
869 u8 variable[0];
598a5938 870 } __packed auth;
a9de8ce0
JB		 871 struct {
872 __le16 reason_code;
598a5938 873 } __packed deauth;
a9de8ce0
JB		 874 struct {
875 __le16 capab_info;
876 __le16 listen_interval;
877 /* followed by SSID and Supported rates */
878 u8 variable[0];
598a5938 879 } __packed assoc_req;
a9de8ce0
JB		 880 struct {
881 __le16 capab_info;
882 __le16 status_code;
883 __le16 aid;
884 /* followed by Supported rates */
885 u8 variable[0];
598a5938 886 } __packed assoc_resp, reassoc_resp;
a9de8ce0
JB		 887 struct {
888 __le16 capab_info;
889 __le16 listen_interval;
574e2af7 890 u8 current_ap[ETH_ALEN];
a9de8ce0
JB		 891 /* followed by SSID and Supported rates */
892 u8 variable[0];
598a5938 893 } __packed reassoc_req;
a9de8ce0
JB		 894 struct {
895 __le16 reason_code;
598a5938 896 } __packed disassoc;
a9de8ce0
JB		 897 struct {
898 __le64 timestamp;
899 __le16 beacon_int;
900 __le16 capab_info;
901 /* followed by some of SSID, Supported rates,
902 * FH Params, DS Params, CF Params, IBSS Params, TIM */
903 u8 variable[0];
598a5938 904 } __packed beacon;
a9de8ce0
JB		 905 struct {
906 /* only variable items: SSID, Supported rates */
907 u8 variable[0];
598a5938 908 } __packed probe_req;
a9de8ce0
JB		 909 struct {
910 __le64 timestamp;
911 __le16 beacon_int;
912 __le16 capab_info;
913 /* followed by some of SSID, Supported rates,
914 * FH Params, DS Params, CF Params, IBSS Params */
915 u8 variable[0];
598a5938 916 } __packed probe_resp;
a9de8ce0
JB		 917 struct {
918 u8 category;
919 union {
920 struct {
921 u8 action_code;
922 u8 dialog_token;
923 u8 status_code;
924 u8 variable[0];
598a5938 925 } __packed wme_action;
a9de8ce0
JB		 926 struct{
927 u8 action_code;
37799e52 928 u8 variable[0];
598a5938 929 } __packed chan_switch;
1b3a2e49
JB		 930 struct{
931 u8 action_code;
932 struct ieee80211_ext_chansw_ie data;
933 u8 variable[0];
934 } __packed ext_chan_switch;
f2df3859
AK		 935 struct{
936 u8 action_code;
937 u8 dialog_token;
938 u8 element_id;
939 u8 length;
940 struct ieee80211_msrment_ie msr_elem;
598a5938 941 } __packed measurement;
6b4e3241
RR		 942 struct{
943 u8 action_code;
944 u8 dialog_token;
945 __le16 capab;
946 __le16 timeout;
947 __le16 start_seq_num;
598a5938 948 } __packed addba_req;
6b4e3241
RR		 949 struct{
950 u8 action_code;
951 u8 dialog_token;
952 __le16 status;
953 __le16 capab;
954 __le16 timeout;
598a5938 955 } __packed addba_resp;
6b4e3241
RR		 956 struct{
957 u8 action_code;
958 __le16 params;
959 __le16 reason_code;
598a5938 960 } __packed delba;
6709a6d9
TP		 961 struct {
962 u8 action_code;
963 u8 variable[0];
598a5938 964 } __packed self_prot;
37c57989
LCC		 965 struct{
966 u8 action_code;
967 u8 variable[0];
598a5938 968 } __packed mesh_action;
fea14732
JM		 969 struct {
970 u8 action;
971 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
598a5938 972 } __packed sa_query;
0f78231b
JB		 973 struct {
974 u8 action;
975 u8 smps_control;
598a5938 976 } __packed ht_smps;
ec61cd63
JB		 977 struct {
978 u8 action_code;
979 u8 chanwidth;
980 } __packed ht_notify_cw;
dfe018bf
AN		 981 struct {
982 u8 action_code;
983 u8 dialog_token;
984 __le16 capability;
985 u8 variable[0];
986 } __packed tdls_discover_resp;
7bf9b9a0
JB		 987 struct {
988 u8 action_code;
989 u8 operating_mode;
990 } __packed vht_opmode_notif;
170fd0b1
AO		 991 struct {
992 u8 action_code;
993 u8 dialog_token;
994 u8 tpc_elem_id;
995 u8 tpc_elem_length;
996 struct ieee80211_tpc_report_ie tpc;
997 } __packed tpc_report;
a9de8ce0 998 } u;
598a5938 999 } __packed action;
a9de8ce0 1000 } u;
b8a31c9a 1001} __packed __aligned(2);
a9de8ce0 1002
c74d084f
CL		 1003/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1004#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1005
44d414db
JB		 1006/* mgmt header + 1 byte category code */
1007#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1008
a9de8ce0 1009
765cb46a
JM		 1010/* Management MIC information element (IEEE 802.11w) */
1011struct ieee80211_mmie {
1012 u8 element_id;
1013 u8 length;
1014 __le16 key_id;
1015 u8 sequence_number[6];
1016 u8 mic[8];
598a5938 1017} __packed;
765cb46a 1018
0c28ec58
EP		 1019struct ieee80211_vendor_ie {
1020 u8 element_id;
1021 u8 len;
1022 u8 oui[3];
1023 u8 oui_type;
1024} __packed;
1025
6f7eaa47
AN		 1026struct ieee80211_wmm_ac_param {
1027 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1028 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1029 __le16 txop_limit;
1030} __packed;
1031
1032struct ieee80211_wmm_param_ie {
1033 u8 element_id; /* Element ID: 221 (0xdd); */
1034 u8 len; /* Length: 24 */
1035 /* required fields for WMM version 1 */
1036 u8 oui[3]; /* 00:50:f2 */
1037 u8 oui_type; /* 2 */
1038 u8 oui_subtype; /* 1 */
1039 u8 version; /* 1 for WMM version 1.0 */
1040 u8 qos_info; /* AP/STA specific QoS info */
1041 u8 reserved; /* 0 */
1042 /* AC_BE, AC_BK, AC_VI, AC_VO */
1043 struct ieee80211_wmm_ac_param ac[4];
1044} __packed;
1045
a9de8ce0
JB		 1046/* Control frames */
1047struct ieee80211_rts {
1048 __le16 frame_control;
1049 __le16 duration;
574e2af7
JP		 1050 u8 ra[ETH_ALEN];
1051 u8 ta[ETH_ALEN];
b8a31c9a 1052} __packed __aligned(2);
a9de8ce0
JB		 1053
1054struct ieee80211_cts {
1055 __le16 frame_control;
1056 __le16 duration;
574e2af7 1057 u8 ra[ETH_ALEN];
b8a31c9a 1058} __packed __aligned(2);
a9de8ce0 1059
fc6971d4
JM		 1060struct ieee80211_pspoll {
1061 __le16 frame_control;
1062 __le16 aid;
574e2af7
JP		 1063 u8 bssid[ETH_ALEN];
1064 u8 ta[ETH_ALEN];
b8a31c9a 1065} __packed __aligned(2);
fc6971d4 1066
dfe018bf
AN		 1067/* TDLS */
1068
1069/* Link-id information element */
1070struct ieee80211_tdls_lnkie {
1071 u8 ie_type; /* Link Identifier IE */
1072 u8 ie_len;
574e2af7
JP		 1073 u8 bssid[ETH_ALEN];
1074 u8 init_sta[ETH_ALEN];
1075 u8 resp_sta[ETH_ALEN];
dfe018bf
AN		 1076} __packed;
1077
1078struct ieee80211_tdls_data {
574e2af7
JP		 1079 u8 da[ETH_ALEN];
1080 u8 sa[ETH_ALEN];
dfe018bf
AN		 1081 __be16 ether_type;
1082 u8 payload_type;
1083 u8 category;
1084 u8 action_code;
1085 union {
1086 struct {
1087 u8 dialog_token;
1088 __le16 capability;
1089 u8 variable[0];
1090 } __packed setup_req;
1091 struct {
1092 __le16 status_code;
1093 u8 dialog_token;
1094 __le16 capability;
1095 u8 variable[0];
1096 } __packed setup_resp;
1097 struct {
1098 __le16 status_code;
1099 u8 dialog_token;
1100 u8 variable[0];
1101 } __packed setup_cfm;
1102 struct {
1103 __le16 reason_code;
1104 u8 variable[0];
1105 } __packed teardown;
1106 struct {
1107 u8 dialog_token;
1108 u8 variable[0];
1109 } __packed discover_req;
1110 } u;
1111} __packed;
1112
ba350fbc
AS		 1113/*
1114 * Peer-to-Peer IE attribute related definitions.
1115 */
1116/**
1117 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1118 */
1119enum ieee80211_p2p_attr_id {
1120 IEEE80211_P2P_ATTR_STATUS = 0,
1121 IEEE80211_P2P_ATTR_MINOR_REASON,
1122 IEEE80211_P2P_ATTR_CAPABILITY,
1123 IEEE80211_P2P_ATTR_DEVICE_ID,
1124 IEEE80211_P2P_ATTR_GO_INTENT,
1125 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1126 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1127 IEEE80211_P2P_ATTR_GROUP_BSSID,
1128 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1129 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1130 IEEE80211_P2P_ATTR_MANAGABILITY,
1131 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1132 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1133 IEEE80211_P2P_ATTR_DEVICE_INFO,
1134 IEEE80211_P2P_ATTR_GROUP_INFO,
1135 IEEE80211_P2P_ATTR_GROUP_ID,
1136 IEEE80211_P2P_ATTR_INTERFACE,
1137 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1138 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1139 /* 19 - 220: Reserved */
1140 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1141
1142 IEEE80211_P2P_ATTR_MAX
1143};
1144
19dde0bd
JD		 1145/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1146/* Typical max value used here */
1147#define IEEE80211_P2P_NOA_DESC_MAX 4
1148
1149struct ieee80211_p2p_noa_desc {
1150 u8 count;
1151 __le32 duration;
1152 __le32 interval;
1153 __le32 start_time;
1154} __packed;
1155
1156struct ieee80211_p2p_noa_attr {
1157 u8 index;
1158 u8 oppps_ctwindow;
1159 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1160} __packed;
1161
1162#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1163#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1164
6b4e3241
RR		 1165/**
1166 * struct ieee80211_bar - HT Block Ack Request
1167 *
1168 * This structure refers to "HT BlockAckReq" as
1169 * described in 802.11n draft section 7.2.1.7.1
1170 */
1171struct ieee80211_bar {
1172 __le16 frame_control;
1173 __le16 duration;
574e2af7
JP		 1174 __u8 ra[ETH_ALEN];
1175 __u8 ta[ETH_ALEN];
a8b47ea3
RR		 1176 __le16 control;
1177 __le16 start_seq_num;
598a5938 1178} __packed;
6b4e3241 1179
429a3805 1180/* 802.11 BAR control masks */
c1407b6c
HS		 1181#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1182#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1183#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1184#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1185#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 1186
1187#define IEEE80211_HT_MCS_MASK_LEN 10
1188
1189/**
1190 * struct ieee80211_mcs_info - MCS information
1191 * @rx_mask: RX mask
9da3e068
LR		 1192 * @rx_highest: highest supported RX rate. If set represents
1193 * the highest supported RX data rate in units of 1 Mbps.
1194 * If this field is 0 this value should not be used to
1195 * consider the highest RX data rate supported.
d9fe60de
JB		 1196 * @tx_params: TX parameters
1197 */
1198struct ieee80211_mcs_info {
1199 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1200 __le16 rx_highest;
1201 u8 tx_params;
1202 u8 reserved[3];
598a5938 1203} __packed;
d9fe60de
JB		 1204
1205/* 802.11n HT capability MSC set */
1206#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1207#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1208#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1209/* value 0 == 1 stream etc */
1210#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1211#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1212#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1213#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1214
1215/*
1216 * 802.11n D5.0 20.3.5 / 20.6 says:
1217 * - indices 0 to 7 and 32 are single spatial stream
1218 * - 8 to 31 are multiple spatial streams using equal modulation
1219 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1220 * - remainder are multiple spatial streams using unequal modulation
1221 */
1222#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1223#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1224 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1225
6b4e3241
RR		 1226/**
1227 * struct ieee80211_ht_cap - HT capabilities
1228 *
d9fe60de
JB		 1229 * This structure is the "HT capabilities element" as
1230 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 1231 */
1232struct ieee80211_ht_cap {
1233 __le16 cap_info;
1234 u8 ampdu_params_info;
d9fe60de
JB		 1235
1236 /* 16 bytes MCS information */
1237 struct ieee80211_mcs_info mcs;
1238
6b4e3241
RR		 1239 __le16 extended_ht_cap_info;
1240 __le32 tx_BF_cap_info;
1241 u8 antenna_selection_info;
598a5938 1242} __packed;
6b4e3241 1243
d9fe60de
JB		 1244/* 802.11n HT capabilities masks (for cap_info) */
1245#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1246#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1247#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 1248#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 1249#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1250#define IEEE80211_HT_CAP_SGI_20 0x0020
1251#define IEEE80211_HT_CAP_SGI_40 0x0040
1252#define IEEE80211_HT_CAP_TX_STBC 0x0080
1253#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 1254#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 1255#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1256#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1257#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 1258#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 1259#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1260#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1261
4dd365fd
BZ		 1262/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1263#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1264#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1265#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1266#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1267#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1268#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1269#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1270
d9fe60de
JB		 1271/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1272#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1273#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 1274#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 1275
d1eba248
S		 1276/*
1277 * Maximum length of AMPDU that the STA can receive.
1278 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1279 */
1280enum ieee80211_max_ampdu_length_exp {
1281 IEEE80211_HT_MAX_AMPDU_8K = 0,
1282 IEEE80211_HT_MAX_AMPDU_16K = 1,
1283 IEEE80211_HT_MAX_AMPDU_32K = 2,
1284 IEEE80211_HT_MAX_AMPDU_64K = 3
1285};
1286
1287#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1288
1289/* Minimum MPDU start spacing */
1290enum ieee80211_min_mpdu_spacing {
1291 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1292 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1293 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1294 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1295 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1296 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1297 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1298 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1299};
1300
6b4e3241 1301/**
074d46d1 1302 * struct ieee80211_ht_operation - HT operation IE
6b4e3241 1303 *
074d46d1
JB		 1304 * This structure is the "HT operation element" as
1305 * described in 802.11n-2009 7.3.2.57
6b4e3241 1306 */
074d46d1
JB		 1307struct ieee80211_ht_operation {
1308 u8 primary_chan;
6b4e3241
RR		 1309 u8 ht_param;
1310 __le16 operation_mode;
1311 __le16 stbc_param;
1312 u8 basic_set[16];
598a5938 1313} __packed;
6b4e3241 1314
d9fe60de
JB		 1315/* for ht_param */
1316#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1317#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1318#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1319#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1320#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1321#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
d9fe60de
JB		 1322
1323/* for operation_mode */
1324#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1325#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1326#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1327#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1328#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1329#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1330#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1331
1332/* for stbc_param */
1333#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1334#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1335#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1336#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1337#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1338#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1339
a9de8ce0 1340
44d414db
JB		 1341/* block-ack parameters */
1342#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1343#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1344#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 1345#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1346#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1347
1348/*
1349 * A-PMDU buffer sizes
1350 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1351 */
1352#define IEEE80211_MIN_AMPDU_BUF 0x8
1353#define IEEE80211_MAX_AMPDU_BUF 0x40
1354
1355
0f78231b 1356/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 1357#define WLAN_HT_CAP_SM_PS_STATIC 0
1358#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1359#define WLAN_HT_CAP_SM_PS_INVALID 2
1360#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1361
0f78231b
JB		 1362/* for SM power control field lower two bits */
1363#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1364#define WLAN_HT_SMPS_CONTROL_STATIC 1
1365#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1366
ce0e1695
MP		 1367/**
1368 * struct ieee80211_vht_mcs_info - VHT MCS information
1369 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1370 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1371 * STA can receive. Rate expressed in units of 1 Mbps.
1372 * If this field is 0 this value should not be used to
1373 * consider the highest RX data rate supported.
7173a1fa 1374 * The top 3 bits of this field are reserved.
ce0e1695
MP		 1375 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1376 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1377 * STA can transmit. Rate expressed in units of 1 Mbps.
1378 * If this field is 0 this value should not be used to
1379 * consider the highest TX data rate supported.
7173a1fa 1380 * The top 3 bits of this field are reserved.
ce0e1695
MP		 1381 */
1382struct ieee80211_vht_mcs_info {
1383 __le16 rx_mcs_map;
1384 __le16 rx_highest;
1385 __le16 tx_mcs_map;
1386 __le16 tx_highest;
1387} __packed;
1388
7173a1fa
JB		 1389/**
1390 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1391 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1392 * number of streams
1393 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1394 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1395 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1396 *
1397 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1398 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1399 * both split into 8 subfields by number of streams. These values indicate
1400 * which MCSes are supported for the number of streams the value appears
1401 * for.
1402 */
1403enum ieee80211_vht_mcs_support {
1404 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1405 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1406 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1407 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1408};
1409
d4950281
MP		 1410/**
1411 * struct ieee80211_vht_cap - VHT capabilities
1412 *
1413 * This structure is the "VHT capabilities element" as
1414 * described in 802.11ac D3.0 8.4.2.160
1415 * @vht_cap_info: VHT capability info
1416 * @supp_mcs: VHT MCS supported rates
1417 */
1418struct ieee80211_vht_cap {
1419 __le32 vht_cap_info;
1420 struct ieee80211_vht_mcs_info supp_mcs;
1421} __packed;
1422
f2d9d270
JB		 1423/**
1424 * enum ieee80211_vht_chanwidth - VHT channel width
1425 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1426 * determine the channel width (20 or 40 MHz)
1427 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1428 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1429 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1430 */
1431enum ieee80211_vht_chanwidth {
1432 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1433 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1434 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1435 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1436};
1437
d4950281
MP		 1438/**
1439 * struct ieee80211_vht_operation - VHT operation IE
1440 *
1441 * This structure is the "VHT operation element" as
1442 * described in 802.11ac D3.0 8.4.2.161
1443 * @chan_width: Operating channel width
1444 * @center_freq_seg1_idx: center freq segment 1 index
1445 * @center_freq_seg2_idx: center freq segment 2 index
1446 * @basic_mcs_set: VHT Basic MCS rate set
1447 */
1448struct ieee80211_vht_operation {
1449 u8 chan_width;
1450 u8 center_freq_seg1_idx;
1451 u8 center_freq_seg2_idx;
1452 __le16 basic_mcs_set;
1453} __packed;
1454
1455
ce0e1695 1456/* 802.11ac VHT Capabilities */
01331040
JB		 1457#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1458#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1459#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1460#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1461#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
0af83d3d 1462#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
01331040
JB		 1463#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1464#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1465#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1466#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1467#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1468#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1469#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1470#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
55d942f4 1471#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
01331040
JB		 1472#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1473#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
fbdd90ea
ES		 1474#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1475#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1476 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1477#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1478#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1479 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
01331040
JB		 1480#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1481#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1482#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1483#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1484#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1485#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1486 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1487#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1488#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1489#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1490#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
ce0e1695 1491
a9de8ce0
JB		 1492/* Authentication algorithms */
1493#define WLAN_AUTH_OPEN 0
1494#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1495#define WLAN_AUTH_FT 2
cfdfa4d3 1496#define WLAN_AUTH_SAE 3
bb608e9d 1497#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1498
1499#define WLAN_AUTH_CHALLENGE_LEN 128
1500
1501#define WLAN_CAPABILITY_ESS (1<<0)
1502#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1503
333ba732
EP		 1504/*
1505 * A mesh STA sets the ESS and IBSS capability bits to zero.
1506 * however, this holds true for p2p probe responses (in the p2p_find
1507 * phase) as well.
1508 */
1509#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1510 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1511
a9de8ce0
JB		 1512#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1513#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1514#define WLAN_CAPABILITY_PRIVACY (1<<4)
1515#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1516#define WLAN_CAPABILITY_PBCC (1<<6)
1517#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1518
a9de8ce0
JB		 1519/* 802.11h */
1520#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1521#define WLAN_CAPABILITY_QOS (1<<9)
1522#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
0f6dfcee
VK		 1523#define WLAN_CAPABILITY_APSD (1<<11)
1524#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
a9de8ce0 1525#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
0f6dfcee
VK		 1526#define WLAN_CAPABILITY_DEL_BACK (1<<14)
1527#define WLAN_CAPABILITY_IMM_BACK (1<<15)
b188148c
VK		 1528
1529/* DMG (60gHz) 802.11ad */
1530/* type - bits 0..1 */
0f6dfcee 1531#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
b188148c
VK		 1532#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1533#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1534#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1535
1536#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
0f6dfcee 1537#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
b188148c
VK		 1538#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1539#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1540
1541#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1542#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1543
b6623486
AK		 1544/* measurement */
1545#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1546#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1547#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1548
1549#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1550#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1551#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1552
5628221c
DD		 1553/* 802.11g ERP information element */
1554#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1555#define WLAN_ERP_USE_PROTECTION (1<<1)
1556#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1557
1558/* WLAN_ERP_BARKER_PREAMBLE values */
1559enum {
1560 WLAN_ERP_PREAMBLE_SHORT = 0,
1561 WLAN_ERP_PREAMBLE_LONG = 1,
1562};
1563
b188148c
VK		 1564/* Band ID, 802.11ad #8.4.1.45 */
1565enum {
1566 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1567 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1568 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1569 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1570 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1571 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1572};
1573
a9de8ce0
JB		 1574/* Status codes */
1575enum ieee80211_statuscode {
1576 WLAN_STATUS_SUCCESS = 0,
1577 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1578 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1579 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1580 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1581 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1582 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1583 WLAN_STATUS_CHALLENGE_FAIL = 15,
1584 WLAN_STATUS_AUTH_TIMEOUT = 16,
1585 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1586 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1587 /* 802.11b */
1588 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1589 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1590 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1591 /* 802.11h */
1592 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1593 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1594 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1595 /* 802.11g */
1596 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1597 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1598 /* 802.11w */
1599 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1600 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1601 /* 802.11i */
1602 WLAN_STATUS_INVALID_IE = 40,
1603 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1604 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1605 WLAN_STATUS_INVALID_AKMP = 43,
1606 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1607 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1608 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1609 /* 802.11e */
1610 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1611 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1612 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1613 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1614 WLAN_STATUS_REQUEST_DECLINED = 37,
1615 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1616 WLAN_STATUS_CHANGE_TSPEC = 39,
1617 WLAN_STATUS_WAIT_TS_DELAY = 47,
1618 WLAN_STATUS_NO_DIRECT_LINK = 48,
1619 WLAN_STATUS_STA_NOT_PRESENT = 49,
1620 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1621 /* 802.11s */
1622 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1623 WLAN_STATUS_FCG_NOT_SUPP = 78,
1624 WLAN_STATUS_STA_NO_TBTT = 78,
b188148c
VK		 1625 /* 802.11ad */
1626 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1627 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1628 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1629 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1630 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1631 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1632 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1633 WLAN_STATUS_REJECT_DSE_BAND = 96,
1634 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1635 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
a9de8ce0
JB		 1636};
1637
1638
1639/* Reason codes */
1640enum ieee80211_reasoncode {
1641 WLAN_REASON_UNSPECIFIED = 1,
1642 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1643 WLAN_REASON_DEAUTH_LEAVING = 3,
1644 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1645 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1646 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1647 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1648 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1649 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1650 /* 802.11h */
1651 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1652 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1653 /* 802.11i */
1654 WLAN_REASON_INVALID_IE = 13,
1655 WLAN_REASON_MIC_FAILURE = 14,
1656 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1657 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1658 WLAN_REASON_IE_DIFFERENT = 17,
1659 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1660 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1661 WLAN_REASON_INVALID_AKMP = 20,
1662 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1663 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1664 WLAN_REASON_IEEE8021X_FAILED = 23,
1665 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
c887f0d3
AN		 1666 /* TDLS (802.11z) */
1667 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1668 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
6b4e3241
RR		 1669 /* 802.11e */
1670 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1671 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1672 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1673 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1674 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1675 WLAN_REASON_QSTA_NOT_USE = 37,
1676 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1677 WLAN_REASON_QSTA_TIMEOUT = 39,
1678 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1679 /* 802.11s */
1680 WLAN_REASON_MESH_PEER_CANCELED = 52,
1681 WLAN_REASON_MESH_MAX_PEERS = 53,
1682 WLAN_REASON_MESH_CONFIG = 54,
1683 WLAN_REASON_MESH_CLOSE = 55,
1684 WLAN_REASON_MESH_MAX_RETRIES = 56,
1685 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1686 WLAN_REASON_MESH_INVALID_GTK = 58,
1687 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1688 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1689 WLAN_REASON_MESH_PATH_ERROR = 61,
1690 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1691 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1692 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1693 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1694 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1695};
1696
1697
1698/* Information Element IDs */
1699enum ieee80211_eid {
1700 WLAN_EID_SSID = 0,
1701 WLAN_EID_SUPP_RATES = 1,
8c78e380 1702 WLAN_EID_FH_PARAMS = 2, /* reserved now */
a9de8ce0
JB		 1703 WLAN_EID_DS_PARAMS = 3,
1704 WLAN_EID_CF_PARAMS = 4,
1705 WLAN_EID_TIM = 5,
1706 WLAN_EID_IBSS_PARAMS = 6,
a9de8ce0
JB		 1707 WLAN_EID_COUNTRY = 7,
1708 WLAN_EID_HP_PARAMS = 8,
1709 WLAN_EID_HP_TABLE = 9,
1710 WLAN_EID_REQUEST = 10,
6b4e3241
RR		 1711 WLAN_EID_QBSS_LOAD = 11,
1712 WLAN_EID_EDCA_PARAM_SET = 12,
1713 WLAN_EID_TSPEC = 13,
1714 WLAN_EID_TCLAS = 14,
1715 WLAN_EID_SCHEDULE = 15,
8c78e380
JB		 1716 WLAN_EID_CHALLENGE = 16,
1717 /* 17-31 reserved for challenge text extension */
a9de8ce0
JB		 1718 WLAN_EID_PWR_CONSTRAINT = 32,
1719 WLAN_EID_PWR_CAPABILITY = 33,
1720 WLAN_EID_TPC_REQUEST = 34,
1721 WLAN_EID_TPC_REPORT = 35,
1722 WLAN_EID_SUPPORTED_CHANNELS = 36,
1723 WLAN_EID_CHANNEL_SWITCH = 37,
1724 WLAN_EID_MEASURE_REQUEST = 38,
1725 WLAN_EID_MEASURE_REPORT = 39,
1726 WLAN_EID_QUIET = 40,
1727 WLAN_EID_IBSS_DFS = 41,
a9de8ce0 1728 WLAN_EID_ERP_INFO = 42,
8c78e380
JB		 1729 WLAN_EID_TS_DELAY = 43,
1730 WLAN_EID_TCLAS_PROCESSING = 44,
6b4e3241 1731 WLAN_EID_HT_CAPABILITY = 45,
8c78e380
JB		 1732 WLAN_EID_QOS_CAPA = 46,
1733 /* 47 reserved for Broadcom */
a9de8ce0 1734 WLAN_EID_RSN = 48,
8c78e380
JB		 1735 WLAN_EID_802_15_COEX = 49,
1736 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3
JB		 1737 WLAN_EID_AP_CHAN_REPORT = 51,
1738 WLAN_EID_NEIGHBOR_REPORT = 52,
1739 WLAN_EID_RCPI = 53,
8c78e380
JB		 1740 WLAN_EID_MOBILITY_DOMAIN = 54,
1741 WLAN_EID_FAST_BSS_TRANSITION = 55,
1742 WLAN_EID_TIMEOUT_INTERVAL = 56,
1743 WLAN_EID_RIC_DATA = 57,
1744 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1745 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1746 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1747 WLAN_EID_HT_OPERATION = 61,
1748 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
8e664fb3
JB		 1749 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1750 WLAN_EID_ANTENNA_INFO = 64,
1751 WLAN_EID_RSNI = 65,
1752 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1753 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1754 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
8c78e380 1755 WLAN_EID_TIME_ADVERTISEMENT = 69,
8e664fb3
JB		 1756 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1757 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b 1758 WLAN_EID_BSS_COEX_2040 = 72,
494b6590 1759 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
b7e8941b 1760 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
8e664fb3 1761 WLAN_EID_RIC_DESCRIPTOR = 75,
8c78e380
JB		 1762 WLAN_EID_MMIE = 76,
1763 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1764 WLAN_EID_EVENT_REQUEST = 78,
1765 WLAN_EID_EVENT_REPORT = 79,
1766 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1767 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1768 WLAN_EID_LOCATION_PARAMS = 82,
b188148c 1769 WLAN_EID_NON_TX_BSSID_CAP = 83,
8c78e380
JB		 1770 WLAN_EID_SSID_LIST = 84,
1771 WLAN_EID_MULTI_BSSID_IDX = 85,
1772 WLAN_EID_FMS_DESCRIPTOR = 86,
1773 WLAN_EID_FMS_REQUEST = 87,
1774 WLAN_EID_FMS_RESPONSE = 88,
1775 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1776 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1777 WLAN_EID_TSF_REQUEST = 91,
1778 WLAN_EID_TSF_RESPOSNE = 92,
1779 WLAN_EID_WNM_SLEEP_MODE = 93,
1780 WLAN_EID_TIM_BCAST_REQ = 94,
1781 WLAN_EID_TIM_BCAST_RESP = 95,
1782 WLAN_EID_COLL_IF_REPORT = 96,
1783 WLAN_EID_CHANNEL_USAGE = 97,
1784 WLAN_EID_TIME_ZONE = 98,
1785 WLAN_EID_DMS_REQUEST = 99,
1786 WLAN_EID_DMS_RESPONSE = 100,
1787 WLAN_EID_LINK_ID = 101,
1788 WLAN_EID_WAKEUP_SCHEDUL = 102,
1789 /* 103 reserved */
1790 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1791 WLAN_EID_PTI_CONTROL = 105,
1792 WLAN_EID_PU_BUFFER_STATUS = 106,
1793 WLAN_EID_INTERWORKING = 107,
1794 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1795 WLAN_EID_EXPEDITED_BW_REQ = 109,
1796 WLAN_EID_QOS_MAP_SET = 110,
1797 WLAN_EID_ROAMING_CONSORTIUM = 111,
1798 WLAN_EID_EMERGENCY_ALERT = 112,
1799 WLAN_EID_MESH_CONFIG = 113,
1800 WLAN_EID_MESH_ID = 114,
1801 WLAN_EID_LINK_METRIC_REPORT = 115,
1802 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1803 WLAN_EID_PEER_MGMT = 117,
1804 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1805 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1806 WLAN_EID_BEACON_TIMING = 120,
1807 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1808 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1809 WLAN_EID_MCCAOP_ADVERT = 123,
1810 WLAN_EID_MCCAOP_TEARDOWN = 124,
1811 WLAN_EID_GANN = 125,
1812 WLAN_EID_RANN = 126,
1813 WLAN_EID_EXT_CAPABILITY = 127,
1814 /* 128, 129 reserved for Agere */
1815 WLAN_EID_PREQ = 130,
1816 WLAN_EID_PREP = 131,
1817 WLAN_EID_PERR = 132,
1818 /* 133-136 reserved for Cisco */
1819 WLAN_EID_PXU = 137,
1820 WLAN_EID_PXUC = 138,
1821 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1822 WLAN_EID_MIC = 140,
1823 WLAN_EID_DESTINATION_URI = 141,
1824 WLAN_EID_UAPSD_COEX = 142,
b188148c
VK		 1825 WLAN_EID_WAKEUP_SCHEDULE = 143,
1826 WLAN_EID_EXT_SCHEDULE = 144,
1827 WLAN_EID_STA_AVAILABILITY = 145,
1828 WLAN_EID_DMG_TSPEC = 146,
1829 WLAN_EID_DMG_AT = 147,
1830 WLAN_EID_DMG_CAP = 148,
c8d65917
SG		 1831 /* 149 reserved for Cisco */
1832 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
b188148c
VK		 1833 WLAN_EID_DMG_OPERATION = 151,
1834 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1835 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1836 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
8c78e380 1837 /* 155-156 reserved for Cisco */
b188148c
VK		 1838 WLAN_EID_AWAKE_WINDOW = 157,
1839 WLAN_EID_MULTI_BAND = 158,
1840 WLAN_EID_ADDBA_EXT = 159,
1841 WLAN_EID_NEXT_PCP_LIST = 160,
1842 WLAN_EID_PCP_HANDOVER = 161,
1843 WLAN_EID_DMG_LINK_MARGIN = 162,
1844 WLAN_EID_SWITCHING_STREAM = 163,
1845 WLAN_EID_SESSION_TRANSITION = 164,
1846 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1847 WLAN_EID_CLUSTER_REPORT = 166,
1848 WLAN_EID_RELAY_CAP = 167,
1849 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1850 WLAN_EID_BEAM_LINK_MAINT = 169,
1851 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1852 WLAN_EID_U_PID = 171,
1853 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
8c78e380
JB		 1854 /* 173 reserved for Symbol */
1855 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
b188148c 1856 WLAN_EID_QUIET_PERIOD_REQ = 175,
8c78e380 1857 /* 176 reserved for Symbol */
b188148c 1858 WLAN_EID_QUIET_PERIOD_RESP = 177,
8c78e380
JB		 1859 /* 178-179 reserved for Symbol */
1860 /* 180 reserved for ISO/IEC 20011 */
b188148c
VK		 1861 WLAN_EID_EPAC_POLICY = 182,
1862 WLAN_EID_CLISTER_TIME_OFF = 183,
8c78e380
JB		 1863 WLAN_EID_INTER_AC_PRIO = 184,
1864 WLAN_EID_SCS_DESCRIPTOR = 185,
1865 WLAN_EID_QLOAD_REPORT = 186,
1866 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1867 WLAN_EID_HL_STREAM_ID = 188,
1868 WLAN_EID_GCR_GROUP_ADDR = 189,
b188148c 1869 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
8c78e380
JB		 1870 WLAN_EID_VHT_CAPABILITY = 191,
1871 WLAN_EID_VHT_OPERATION = 192,
1872 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1873 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1874 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1875 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1876 WLAN_EID_AID = 197,
1877 WLAN_EID_QUIET_CHANNEL = 198,
1878 WLAN_EID_OPMODE_NOTIF = 199,
1879
1880 WLAN_EID_VENDOR_SPECIFIC = 221,
1881 WLAN_EID_QOS_PARAMETER = 222,
a9de8ce0
JB		 1882};
1883
6b4e3241
RR		 1884/* Action category code */
1885enum ieee80211_category {
1886 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1887 WLAN_CATEGORY_QOS = 1,
1888 WLAN_CATEGORY_DLS = 2,
1889 WLAN_CATEGORY_BACK = 3,
fb733336 1890 WLAN_CATEGORY_PUBLIC = 4,
170fd0b1 1891 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
528769cf 1892 WLAN_CATEGORY_HT = 7,
fea14732 1893 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1894 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
dfe018bf 1895 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S		 1896 WLAN_CATEGORY_MESH_ACTION = 13,
1897 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1898 WLAN_CATEGORY_SELF_PROTECTED = 15,
b188148c 1899 WLAN_CATEGORY_DMG = 16,
6b4e3241 1900 WLAN_CATEGORY_WMM = 17,
b188148c
VK		 1901 WLAN_CATEGORY_FST = 18,
1902 WLAN_CATEGORY_UNPROT_DMG = 20,
7bf9b9a0 1903 WLAN_CATEGORY_VHT = 21,
528769cf
JM		 1904 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1905 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1906};
1907
f2df3859
AK		 1908/* SPECTRUM_MGMT action code */
1909enum ieee80211_spectrum_mgmt_actioncode {
1910 WLAN_ACTION_SPCT_MSR_REQ = 0,
1911 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1912 WLAN_ACTION_SPCT_TPC_REQ = 2,
1913 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1914 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1915};
1916
0f78231b
JB		 1917/* HT action codes */
1918enum ieee80211_ht_actioncode {
1919 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1920 WLAN_HT_ACTION_SMPS = 1,
1921 WLAN_HT_ACTION_PSMP = 2,
1922 WLAN_HT_ACTION_PCO_PHASE = 3,
1923 WLAN_HT_ACTION_CSI = 4,
1924 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1925 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1926 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1927};
1928
7bf9b9a0
JB		 1929/* VHT action codes */
1930enum ieee80211_vht_actioncode {
1931 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1932 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1933 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1934};
1935
6709a6d9
TP		 1936/* Self Protected Action codes */
1937enum ieee80211_self_protected_actioncode {
1938 WLAN_SP_RESERVED = 0,
1939 WLAN_SP_MESH_PEERING_OPEN = 1,
1940 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1941 WLAN_SP_MESH_PEERING_CLOSE = 3,
1942 WLAN_SP_MGK_INFORM = 4,
1943 WLAN_SP_MGK_ACK = 5,
1944};
1945
36c704fd
TP		 1946/* Mesh action codes */
1947enum ieee80211_mesh_actioncode {
1948 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1949 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1950 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1951 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1952 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1953 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1954 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1955 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1956 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1957 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1958 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1959};
1960
e31a16d6
ZY		 1961/* Security key length */
1962enum ieee80211_key_len {
1963 WLAN_KEY_LEN_WEP40 = 5,
1964 WLAN_KEY_LEN_WEP104 = 13,
1965 WLAN_KEY_LEN_CCMP = 16,
1966 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1967 WLAN_KEY_LEN_AES_CMAC = 16,
28cb1749 1968 WLAN_KEY_LEN_SMS4 = 32,
e31a16d6
ZY		 1969};
1970
4325f6ca
JB		 1971#define IEEE80211_WEP_IV_LEN 4
1972#define IEEE80211_WEP_ICV_LEN 4
1973#define IEEE80211_CCMP_HDR_LEN 8
1974#define IEEE80211_CCMP_MIC_LEN 8
1975#define IEEE80211_CCMP_PN_LEN 6
1976#define IEEE80211_TKIP_IV_LEN 8
1977#define IEEE80211_TKIP_ICV_LEN 4
1978#define IEEE80211_CMAC_PN_LEN 6
1979
dfe018bf
AN		 1980/* Public action codes */
1981enum ieee80211_pub_actioncode {
1b3a2e49 1982 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
dfe018bf
AN		 1983 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1984};
1985
1986/* TDLS action codes */
1987enum ieee80211_tdls_actioncode {
1988 WLAN_TDLS_SETUP_REQUEST = 0,
1989 WLAN_TDLS_SETUP_RESPONSE = 1,
1990 WLAN_TDLS_SETUP_CONFIRM = 2,
1991 WLAN_TDLS_TEARDOWN = 3,
1992 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1993 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1994 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1995 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1996 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1997 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1998 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1999};
2000
dcb7a6ce
AP		 2001/* Interworking capabilities are set in 7th bit of 4th byte of the
2002 * @WLAN_EID_EXT_CAPABILITY information element
2003 */
2004#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2005
dfe018bf
AN		 2006/*
2007 * TDLS capabililites to be enabled in the 5th byte of the
2008 * @WLAN_EID_EXT_CAPABILITY information element
2009 */
2010#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2011#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2012
c6f9d6c3 2013#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
852c0153 2014#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
c6f9d6c3 2015
dfe018bf
AN		 2016/* TDLS specific payload type in the LLC/SNAP header */
2017#define WLAN_TDLS_SNAP_RFTYPE 0x2
2018
dbf498fb
JC		 2019/**
2020 * enum - mesh synchronization method identifier
2021 *
2022 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2023 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
a4f606ea 2024 * that will be specified in a vendor specific information element
dbf498fb
JC		 2025 */
2026enum {
2027 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2028 IEEE80211_SYNC_METHOD_VENDOR = 255,
2029};
2030
c80d545d
JC		 2031/**
2032 * enum - mesh path selection protocol identifier
2033 *
2034 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2035 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
a4f606ea 2036 * be specified in a vendor specific information element
c80d545d
JC		 2037 */
2038enum {
dcca1cfc 2039 IEEE80211_PATH_PROTOCOL_HWMP = 1,
c80d545d
JC		 2040 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2041};
2042
2043/**
2044 * enum - mesh path selection metric identifier
2045 *
2046 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2047 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
a4f606ea 2048 * specified in a vendor specific information element
c80d545d
JC		 2049 */
2050enum {
dcca1cfc 2051 IEEE80211_PATH_METRIC_AIRTIME = 1,
c80d545d
JC		 2052 IEEE80211_PATH_METRIC_VENDOR = 255,
2053};
2054
a69cc44f
CYY		 2055/**
2056 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2057 *
2058 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2059 *
2060 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2061 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2062 * this value
2063 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2064 * the proactive PREQ with proactive PREP subfield set to 0
2065 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2066 * supports the proactive PREQ with proactive PREP subfield set to 1
2067 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2068 * the proactive RANN
2069 */
2070enum ieee80211_root_mode_identifier {
2071 IEEE80211_ROOTMODE_NO_ROOT = 0,
2072 IEEE80211_ROOTMODE_ROOT = 1,
2073 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2074 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2075 IEEE80211_PROACTIVE_RANN = 4,
2076};
c80d545d 2077
3f2355cb
LR		 2078/*
2079 * IEEE 802.11-2007 7.3.2.9 Country information element
2080 *
2081 * Minimum length is 8 octets, ie len must be evenly
2082 * divisible by 2
2083 */
2084
2085/* Although the spec says 8 I'm seeing 6 in practice */
2086#define IEEE80211_COUNTRY_IE_MIN_LEN 6
2087
80751e2b
BZ		 2088/* The Country String field of the element shall be 3 octets in length */
2089#define IEEE80211_COUNTRY_STRING_LEN 3
2090
3f2355cb
LR		 2091/*
2092 * For regulatory extension stuff see IEEE 802.11-2007
2093 * Annex I (page 1141) and Annex J (page 1147). Also
2094 * review 7.3.2.9.
2095 *
2096 * When dot11RegulatoryClassesRequired is true and the
2097 * first_channel/reg_extension_id is >= 201 then the IE
2098 * compromises of the 'ext' struct represented below:
2099 *
2100 * - Regulatory extension ID - when generating IE this just needs
2101 * to be monotonically increasing for each triplet passed in
2102 * the IE
2103 * - Regulatory class - index into set of rules
2104 * - Coverage class - index into air propagation time (Table 7-27),
2105 * in microseconds, you can compute the air propagation time from
2106 * the index by multiplying by 3, so index 10 yields a propagation
2107 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2108 * yet. A value of 0 inicates air propagation of <= 1 us.
2109 *
2110 * See also Table I.2 for Emission limit sets and table
2111 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2112 * a reg_class to an emission limit set and behavior limit set.
2113 */
2114#define IEEE80211_COUNTRY_EXTENSION_ID 201
2115
2116/*
2117 * Channels numbers in the IE must be monotonically increasing
2118 * if dot11RegulatoryClassesRequired is not true.
2119 *
2120 * If dot11RegulatoryClassesRequired is true consecutive
2121 * subband triplets following a regulatory triplet shall
2122 * have monotonically increasing first_channel number fields.
2123 *
2124 * Channel numbers shall not overlap.
2125 *
2126 * Note that max_power is signed.
2127 */
2128struct ieee80211_country_ie_triplet {
2129 union {
2130 struct {
2131 u8 first_channel;
2132 u8 num_channels;
2133 s8 max_power;
598a5938 2134 } __packed chans;
3f2355cb
LR		 2135 struct {
2136 u8 reg_extension_id;
2137 u8 reg_class;
2138 u8 coverage_class;
598a5938 2139 } __packed ext;
3f2355cb 2140 };
598a5938 2141} __packed;
3f2355cb 2142
f797eb7e
JM		 2143enum ieee80211_timeout_interval_type {
2144 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2145 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2146 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2147};
2148
79ba1d89
JB		 2149/**
2150 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2151 * @type: type, see &enum ieee80211_timeout_interval_type
2152 * @value: timeout interval value
2153 */
2154struct ieee80211_timeout_interval_ie {
2155 u8 type;
2156 __le32 value;
2157} __packed;
2158
6b4e3241
RR		 2159/* BACK action code */
2160enum ieee80211_back_actioncode {
2161 WLAN_ACTION_ADDBA_REQ = 0,
2162 WLAN_ACTION_ADDBA_RESP = 1,
2163 WLAN_ACTION_DELBA = 2,
2164};
2165
07db2183
RR		 2166/* BACK (block-ack) parties */
2167enum ieee80211_back_parties {
2168 WLAN_BACK_RECIPIENT = 0,
2169 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 2170};
2171
fea14732
JM		 2172/* SA Query action */
2173enum ieee80211_sa_query_action {
2174 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2175 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2176};
2177
2178
a9de8ce0
JB		 2179/* cipher suite selectors */
2180#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2181#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2182#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2183/* reserved: 0x000FAC03 */
2184#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2185#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 2186#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
b188148c 2187#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
a9de8ce0 2188
c2e889a7
JM		 2189#define WLAN_CIPHER_SUITE_SMS4 0x00147201
2190
6a669e65
JB		 2191/* AKM suite selectors */
2192#define WLAN_AKM_SUITE_8021X 0x000FAC01
2193#define WLAN_AKM_SUITE_PSK 0x000FAC02
d437c86b
BZ		 2194#define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2195#define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2196#define WLAN_AKM_SUITE_TDLS 0x000FAC07
2197#define WLAN_AKM_SUITE_SAE 0x000FAC08
cfdfa4d3 2198#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 2199
a9de8ce0
JB		 2200#define WLAN_MAX_KEY_LEN 32
2201
67fbb16b
SO		 2202#define WLAN_PMKID_LEN 16
2203
0c28ec58
EP		 2204#define WLAN_OUI_WFA 0x506f9a
2205#define WLAN_OUI_TYPE_WFA_P2P 9
535588e6
AP		 2206#define WLAN_OUI_MICROSOFT 0x0050f2
2207#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
c2ebea20
AP		 2208#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2209#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
0c28ec58 2210
856799d5
KV		 2211/*
2212 * WMM/802.11e Tspec Element
2213 */
2214#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2215#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2216
2217enum ieee80211_tspec_status_code {
2218 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2219 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2220};
2221
2222struct ieee80211_tspec_ie {
2223 u8 element_id;
2224 u8 len;
2225 u8 oui[3];
2226 u8 oui_type;
2227 u8 oui_subtype;
2228 u8 version;
2229 __le16 tsinfo;
2230 u8 tsinfo_resvd;
2231 __le16 nominal_msdu;
2232 __le16 max_msdu;
2233 __le32 min_service_int;
2234 __le32 max_service_int;
2235 __le32 inactivity_int;
2236 __le32 suspension_int;
2237 __le32 service_start_time;
2238 __le32 min_data_rate;
2239 __le32 mean_data_rate;
2240 __le32 peak_data_rate;
2241 __le32 max_burst_size;
2242 __le32 delay_bound;
2243 __le32 min_phy_rate;
2244 __le16 sba;
2245 __le16 medium_time;
2246} __packed;
2247
fd7c8a40
HH		 2248/**
2249 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2250 * @hdr: the frame
2251 *
2252 * The qos ctrl bytes come after the frame_control, duration, seq_num
2253 * and 3 or 4 addresses of length ETH_ALEN.
2254 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2255 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2256 */
2257static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2258{
2259 if (ieee80211_has_a4(hdr->frame_control))
2260 return (u8 *)hdr + 30;
2261 else
2262 return (u8 *)hdr + 24;
2263}
2264
f97df02e
JB		 2265/**
2266 * ieee80211_get_SA - get pointer to SA
fd7c8a40 2267 * @hdr: the frame
f97df02e
JB		 2268 *
2269 * Given an 802.11 frame, this function returns the offset
2270 * to the source address (SA). It does not verify that the
2271 * header is long enough to contain the address, and the
2272 * header must be long enough to contain the frame control
2273 * field.
f97df02e
JB		 2274 */
2275static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2276{
fd7c8a40 2277 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 2278 return hdr->addr4;
fd7c8a40
HH		 2279 if (ieee80211_has_fromds(hdr->frame_control))
2280 return hdr->addr3;
2281 return hdr->addr2;
f97df02e
JB		 2282}
2283
2284/**
2285 * ieee80211_get_DA - get pointer to DA
fd7c8a40 2286 * @hdr: the frame
f97df02e
JB		 2287 *
2288 * Given an 802.11 frame, this function returns the offset
2289 * to the destination address (DA). It does not verify that
2290 * the header is long enough to contain the address, and the
2291 * header must be long enough to contain the frame control
2292 * field.
f97df02e
JB		 2293 */
2294static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2295{
fd7c8a40 2296 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 2297 return hdr->addr3;
5a433b3a
HH		 2298 else
2299 return hdr->addr1;
f97df02e
JB		 2300}
2301
fb733336 2302/**
d8ca16db 2303 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
fb733336
JM		 2304 * @hdr: the frame (buffer must include at least the first octet of payload)
2305 */
d8ca16db 2306static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
fb733336
JM		 2307{
2308 if (ieee80211_is_disassoc(hdr->frame_control) ||
2309 ieee80211_is_deauth(hdr->frame_control))
2310 return true;
2311
2312 if (ieee80211_is_action(hdr->frame_control)) {
2313 u8 *category;
2314
2315 /*
2316 * Action frames, excluding Public Action frames, are Robust
2317 * Management Frames. However, if we are looking at a Protected
2318 * frame, skip the check since the data may be encrypted and
2319 * the frame has already been found to be a Robust Management
2320 * Frame (by the other end).
2321 */
2322 if (ieee80211_has_protected(hdr->frame_control))
2323 return true;
2324 category = ((u8 *) hdr) + 24;
528769cf
JM		 2325 return *category != WLAN_CATEGORY_PUBLIC &&
2326 *category != WLAN_CATEGORY_HT &&
8f9cb77d 2327 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 2328 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 2329 }
2330
2331 return false;
2332}
2333
d8ca16db
JB		 2334/**
2335 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2336 * @skb: the skb containing the frame, length will be checked
2337 */
2338static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2339{
2340 if (skb->len < 25)
2341 return false;
2342 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2343}
2344
3df6eaea
JB		 2345/**
2346 * ieee80211_is_public_action - check if frame is a public action frame
2347 * @hdr: the frame
2348 * @len: length of the frame
2349 */
2350static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2351 size_t len)
2352{
2353 struct ieee80211_mgmt *mgmt = (void *)hdr;
2354
2355 if (len < IEEE80211_MIN_ACTION_SIZE)
2356 return false;
2357 if (!ieee80211_is_action(hdr->frame_control))
2358 return false;
2359 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2360}
2361
10f644a4
JB		 2362/**
2363 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2364 * @tu: the TUs
2365 */
2366static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2367{
2368 return 1024 * tu;
2369}
2370
e7ec86f5
JB		 2371/**
2372 * ieee80211_check_tim - check if AID bit is set in TIM
2373 * @tim: the TIM IE
2374 * @tim_len: length of the TIM IE
2375 * @aid: the AID to look for
2376 */
4a3cb702 2377static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
e7ec86f5
JB		 2378 u8 tim_len, u16 aid)
2379{
2380 u8 mask;
2381 u8 index, indexn1, indexn2;
2382
2383 if (unlikely(!tim || tim_len < sizeof(*tim)))
2384 return false;
2385
2386 aid &= 0x3fff;
2387 index = aid / 8;
2388 mask = 1 << (aid & 7);
2389
2390 indexn1 = tim->bitmap_ctrl & 0xfe;
2391 indexn2 = tim_len + indexn1 - 4;
2392
2393 if (index < indexn1 || index > indexn2)
2394 return false;
2395
2396 index -= indexn1;
2397
2398 return !!(tim->virtual_map[index] & mask);
2399}
2400
e7f1935c
JB		 2401/* convert time units */
2402#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2403#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2404
170fd0b1
AO		 2405/**
2406 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2407 * @skb: the skb containing the frame, length will be checked
2408 *
2409 * This function checks if it's either TPC report action frame or Link
2410 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2411 * and 8.5.7.5 accordingly.
2412 */
2413static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2414{
2415 struct ieee80211_mgmt *mgmt = (void *)skb->data;
2416
2417 if (!ieee80211_is_action(mgmt->frame_control))
2418 return false;
2419
2420 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2421 sizeof(mgmt->u.action.u.tpc_report))
2422 return false;
2423
2424 /*
2425 * TPC report - check that:
2426 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2427 * spectrum management action = 3 (TPC/Link Measurement report)
2428 * TPC report EID = 35
2429 * TPC report element length = 2
2430 *
2431 * The spectrum management's tpc_report struct is used here both for
2432 * parsing tpc_report and radio measurement's link measurement report
2433 * frame, since the relevant part is identical in both frames.
2434 */
2435 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2436 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2437 return false;
2438
2439 /* both spectrum mgmt and link measurement have same action code */
2440 if (mgmt->u.action.u.tpc_report.action_code !=
2441 WLAN_ACTION_SPCT_TPC_RPRT)
2442 return false;
2443
2444 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2445 mgmt->u.action.u.tpc_report.tpc_elem_length !=
2446 sizeof(struct ieee80211_tpc_report_ie))
2447 return false;
2448
2449 return true;
2450}
2451
9387b7ca 2452#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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