Merge tag 'for-linus-20160523' of git://git.infradead.org/linux-mtd
[linux-2.6-block.git] / include / linux / ieee80211.h
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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
3c5bcb2e 10 * Copyright (c) 2016 Intel Deutschland GmbH
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11 *
12 * This program is free software; you can redistribute it and/or modify
13 * it under the terms of the GNU General Public License version 2 as
14 * published by the Free Software Foundation.
15 */
16
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17#ifndef LINUX_IEEE80211_H
18#define LINUX_IEEE80211_H
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19
20#include <linux/types.h>
574e2af7 21#include <linux/if_ether.h>
f97df02e 22#include <asm/byteorder.h>
1277b4a9 23#include <asm/unaligned.h>
a9de8ce0 24
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25/*
26 * DS bit usage
27 *
28 * TA = transmitter address
29 * RA = receiver address
30 * DA = destination address
31 * SA = source address
32 *
33 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
34 * -----------------------------------------------------------------
35 * 0 0 DA SA BSSID - IBSS/DLS
36 * 0 1 DA BSSID SA - AP -> STA
37 * 1 0 BSSID SA DA - AP <- STA
38 * 1 1 RA TA DA SA unspecified (WDS)
39 */
40
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41#define FCS_LEN 4
42
43#define IEEE80211_FCTL_VERS 0x0003
44#define IEEE80211_FCTL_FTYPE 0x000c
45#define IEEE80211_FCTL_STYPE 0x00f0
46#define IEEE80211_FCTL_TODS 0x0100
47#define IEEE80211_FCTL_FROMDS 0x0200
48#define IEEE80211_FCTL_MOREFRAGS 0x0400
49#define IEEE80211_FCTL_RETRY 0x0800
50#define IEEE80211_FCTL_PM 0x1000
51#define IEEE80211_FCTL_MOREDATA 0x2000
52#define IEEE80211_FCTL_PROTECTED 0x4000
53#define IEEE80211_FCTL_ORDER 0x8000
b188148c 54#define IEEE80211_FCTL_CTL_EXT 0x0f00
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55
56#define IEEE80211_SCTL_FRAG 0x000F
57#define IEEE80211_SCTL_SEQ 0xFFF0
58
59#define IEEE80211_FTYPE_MGMT 0x0000
60#define IEEE80211_FTYPE_CTL 0x0004
61#define IEEE80211_FTYPE_DATA 0x0008
b188148c 62#define IEEE80211_FTYPE_EXT 0x000c
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63
64/* management */
65#define IEEE80211_STYPE_ASSOC_REQ 0x0000
66#define IEEE80211_STYPE_ASSOC_RESP 0x0010
67#define IEEE80211_STYPE_REASSOC_REQ 0x0020
68#define IEEE80211_STYPE_REASSOC_RESP 0x0030
69#define IEEE80211_STYPE_PROBE_REQ 0x0040
70#define IEEE80211_STYPE_PROBE_RESP 0x0050
71#define IEEE80211_STYPE_BEACON 0x0080
72#define IEEE80211_STYPE_ATIM 0x0090
73#define IEEE80211_STYPE_DISASSOC 0x00A0
74#define IEEE80211_STYPE_AUTH 0x00B0
75#define IEEE80211_STYPE_DEAUTH 0x00C0
76#define IEEE80211_STYPE_ACTION 0x00D0
77
78/* control */
b188148c 79#define IEEE80211_STYPE_CTL_EXT 0x0060
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80#define IEEE80211_STYPE_BACK_REQ 0x0080
81#define IEEE80211_STYPE_BACK 0x0090
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82#define IEEE80211_STYPE_PSPOLL 0x00A0
83#define IEEE80211_STYPE_RTS 0x00B0
84#define IEEE80211_STYPE_CTS 0x00C0
85#define IEEE80211_STYPE_ACK 0x00D0
86#define IEEE80211_STYPE_CFEND 0x00E0
87#define IEEE80211_STYPE_CFENDACK 0x00F0
88
89/* data */
90#define IEEE80211_STYPE_DATA 0x0000
91#define IEEE80211_STYPE_DATA_CFACK 0x0010
92#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
93#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
94#define IEEE80211_STYPE_NULLFUNC 0x0040
95#define IEEE80211_STYPE_CFACK 0x0050
96#define IEEE80211_STYPE_CFPOLL 0x0060
97#define IEEE80211_STYPE_CFACKPOLL 0x0070
98#define IEEE80211_STYPE_QOS_DATA 0x0080
99#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
100#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
101#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
102#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
103#define IEEE80211_STYPE_QOS_CFACK 0x00D0
104#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
105#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
106
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107/* extension, added by 802.11ad */
108#define IEEE80211_STYPE_DMG_BEACON 0x0000
109
110/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
111#define IEEE80211_CTL_EXT_POLL 0x2000
112#define IEEE80211_CTL_EXT_SPR 0x3000
113#define IEEE80211_CTL_EXT_GRANT 0x4000
114#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
115#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
116#define IEEE80211_CTL_EXT_SSW 0x8000
117#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
118#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
a9de8ce0 119
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120
121#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
122#define IEEE80211_MAX_SN IEEE80211_SN_MASK
123#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
124
35498edc 125static inline bool ieee80211_sn_less(u16 sn1, u16 sn2)
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126{
127 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
128}
129
130static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
131{
132 return (sn1 + sn2) & IEEE80211_SN_MASK;
133}
134
135static inline u16 ieee80211_sn_inc(u16 sn)
136{
137 return ieee80211_sn_add(sn, 1);
138}
139
140static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
141{
142 return (sn1 - sn2) & IEEE80211_SN_MASK;
143}
144
145#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
146#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
147
a9de8ce0 148/* miscellaneous IEEE 802.11 constants */
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149#define IEEE80211_MAX_FRAG_THRESHOLD 2352
150#define IEEE80211_MAX_RTS_THRESHOLD 2353
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151#define IEEE80211_MAX_AID 2007
152#define IEEE80211_MAX_TIM_LEN 251
e05ecccd 153#define IEEE80211_MAX_MESH_PEERINGS 63
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154/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
155 6.2.1.1.2.
156
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157 802.11e clarifies the figure in section 7.1.2. The frame body is
158 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
159#define IEEE80211_MAX_DATA_LEN 2304
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160/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
161 * to 7920 bytes, see 8.2.3 General frame format
162 */
163#define IEEE80211_MAX_DATA_LEN_DMG 7920
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164/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
165#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0 166
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167/* Maximal size of an A-MSDU that can be transported in a HT BA session */
168#define IEEE80211_MAX_MPDU_LEN_HT_BA 4095
169
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170/* Maximal size of an A-MSDU */
171#define IEEE80211_MAX_MPDU_LEN_HT_3839 3839
172#define IEEE80211_MAX_MPDU_LEN_HT_7935 7935
173
174#define IEEE80211_MAX_MPDU_LEN_VHT_3895 3895
175#define IEEE80211_MAX_MPDU_LEN_VHT_7991 7991
176#define IEEE80211_MAX_MPDU_LEN_VHT_11454 11454
177
a9de8ce0 178#define IEEE80211_MAX_SSID_LEN 32
1239cd58 179
37c57989 180#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 181
960d01ac 182#define IEEE80211_FIRST_TSPEC_TSID 8
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183#define IEEE80211_NUM_TIDS 16
184
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185/* number of user priorities 802.11 uses */
186#define IEEE80211_NUM_UPS 8
187
fd7c8a40 188#define IEEE80211_QOS_CTL_LEN 2
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189/* 1d tag mask */
190#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
191/* TID mask */
192#define IEEE80211_QOS_CTL_TID_MASK 0x000f
193/* EOSP */
194#define IEEE80211_QOS_CTL_EOSP 0x0010
195/* ACK policy */
196#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
197#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
198#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
199#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
6cc00d54 200#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
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201/* A-MSDU 802.11n */
202#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
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203/* Mesh Control 802.11s */
204#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 205
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206/* Mesh Power Save Level */
207#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
208/* Mesh Receiver Service Period Initiated */
209#define IEEE80211_QOS_CTL_RSPI 0x0400
210
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211/* U-APSD queue for WMM IEs sent by AP */
212#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 213#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
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214
215/* U-APSD queues for WMM IEs sent by STA */
216#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
217#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
218#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
219#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
220#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
221
222/* U-APSD max SP length for WMM IEs sent by STA */
223#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
224#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
225#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
226#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
227#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
228#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
229
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230#define IEEE80211_HT_CTL_LEN 4
231
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232struct ieee80211_hdr {
233 __le16 frame_control;
234 __le16 duration_id;
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235 u8 addr1[ETH_ALEN];
236 u8 addr2[ETH_ALEN];
237 u8 addr3[ETH_ALEN];
a9de8ce0 238 __le16 seq_ctrl;
574e2af7 239 u8 addr4[ETH_ALEN];
b8a31c9a 240} __packed __aligned(2);
a9de8ce0 241
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242struct ieee80211_hdr_3addr {
243 __le16 frame_control;
244 __le16 duration_id;
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245 u8 addr1[ETH_ALEN];
246 u8 addr2[ETH_ALEN];
247 u8 addr3[ETH_ALEN];
7044cc56 248 __le16 seq_ctrl;
b8a31c9a 249} __packed __aligned(2);
7044cc56 250
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251struct ieee80211_qos_hdr {
252 __le16 frame_control;
253 __le16 duration_id;
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254 u8 addr1[ETH_ALEN];
255 u8 addr2[ETH_ALEN];
256 u8 addr3[ETH_ALEN];
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257 __le16 seq_ctrl;
258 __le16 qos_ctrl;
b8a31c9a 259} __packed __aligned(2);
558a6669 260
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261/**
262 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
263 * @fc: frame control bytes in little-endian byteorder
264 */
35498edc 265static inline bool ieee80211_has_tods(__le16 fc)
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266{
267 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
268}
269
270/**
271 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
272 * @fc: frame control bytes in little-endian byteorder
273 */
35498edc 274static inline bool ieee80211_has_fromds(__le16 fc)
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275{
276 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
277}
278
279/**
280 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
281 * @fc: frame control bytes in little-endian byteorder
282 */
35498edc 283static inline bool ieee80211_has_a4(__le16 fc)
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284{
285 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
286 return (fc & tmp) == tmp;
287}
288
289/**
290 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
291 * @fc: frame control bytes in little-endian byteorder
292 */
35498edc 293static inline bool ieee80211_has_morefrags(__le16 fc)
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294{
295 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
296}
297
298/**
299 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
300 * @fc: frame control bytes in little-endian byteorder
301 */
35498edc 302static inline bool ieee80211_has_retry(__le16 fc)
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303{
304 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
305}
306
307/**
308 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
309 * @fc: frame control bytes in little-endian byteorder
310 */
35498edc 311static inline bool ieee80211_has_pm(__le16 fc)
fd7c8a40
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312{
313 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
314}
315
316/**
317 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
318 * @fc: frame control bytes in little-endian byteorder
319 */
35498edc 320static inline bool ieee80211_has_moredata(__le16 fc)
fd7c8a40
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321{
322 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
323}
324
325/**
326 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
327 * @fc: frame control bytes in little-endian byteorder
328 */
35498edc 329static inline bool ieee80211_has_protected(__le16 fc)
fd7c8a40
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330{
331 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
332}
333
334/**
335 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
336 * @fc: frame control bytes in little-endian byteorder
337 */
35498edc 338static inline bool ieee80211_has_order(__le16 fc)
fd7c8a40
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339{
340 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
341}
342
343/**
344 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
345 * @fc: frame control bytes in little-endian byteorder
346 */
35498edc 347static inline bool ieee80211_is_mgmt(__le16 fc)
fd7c8a40
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348{
349 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT);
351}
352
353/**
354 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
355 * @fc: frame control bytes in little-endian byteorder
356 */
35498edc 357static inline bool ieee80211_is_ctl(__le16 fc)
fd7c8a40
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358{
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
360 cpu_to_le16(IEEE80211_FTYPE_CTL);
361}
362
363/**
364 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
365 * @fc: frame control bytes in little-endian byteorder
366 */
35498edc 367static inline bool ieee80211_is_data(__le16 fc)
fd7c8a40
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368{
369 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
370 cpu_to_le16(IEEE80211_FTYPE_DATA);
371}
372
373/**
374 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
375 * @fc: frame control bytes in little-endian byteorder
376 */
35498edc 377static inline bool ieee80211_is_data_qos(__le16 fc)
fd7c8a40
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378{
379 /*
380 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
381 * to check the one bit
382 */
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
384 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
385}
386
387/**
388 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
389 * @fc: frame control bytes in little-endian byteorder
390 */
35498edc 391static inline bool ieee80211_is_data_present(__le16 fc)
fd7c8a40
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392{
393 /*
394 * mask with 0x40 and test that that bit is clear to only return true
395 * for the data-containing substypes.
396 */
397 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
398 cpu_to_le16(IEEE80211_FTYPE_DATA);
399}
400
401/**
402 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
403 * @fc: frame control bytes in little-endian byteorder
404 */
35498edc 405static inline bool ieee80211_is_assoc_req(__le16 fc)
fd7c8a40
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406{
407 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
408 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
409}
410
411/**
412 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
413 * @fc: frame control bytes in little-endian byteorder
414 */
35498edc 415static inline bool ieee80211_is_assoc_resp(__le16 fc)
fd7c8a40
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416{
417 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
418 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
419}
420
421/**
422 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
423 * @fc: frame control bytes in little-endian byteorder
424 */
35498edc 425static inline bool ieee80211_is_reassoc_req(__le16 fc)
fd7c8a40
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426{
427 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
428 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
429}
430
431/**
432 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
433 * @fc: frame control bytes in little-endian byteorder
434 */
35498edc 435static inline bool ieee80211_is_reassoc_resp(__le16 fc)
fd7c8a40
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436{
437 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
438 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
439}
440
441/**
442 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
443 * @fc: frame control bytes in little-endian byteorder
444 */
35498edc 445static inline bool ieee80211_is_probe_req(__le16 fc)
fd7c8a40
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446{
447 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
448 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
449}
450
451/**
452 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
453 * @fc: frame control bytes in little-endian byteorder
454 */
35498edc 455static inline bool ieee80211_is_probe_resp(__le16 fc)
fd7c8a40
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456{
457 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
458 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
459}
460
461/**
462 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
463 * @fc: frame control bytes in little-endian byteorder
464 */
35498edc 465static inline bool ieee80211_is_beacon(__le16 fc)
fd7c8a40
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466{
467 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
468 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
469}
470
471/**
472 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
473 * @fc: frame control bytes in little-endian byteorder
474 */
35498edc 475static inline bool ieee80211_is_atim(__le16 fc)
fd7c8a40
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476{
477 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
478 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
479}
480
481/**
482 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
483 * @fc: frame control bytes in little-endian byteorder
484 */
35498edc 485static inline bool ieee80211_is_disassoc(__le16 fc)
fd7c8a40
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486{
487 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
488 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
489}
490
491/**
492 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
493 * @fc: frame control bytes in little-endian byteorder
494 */
35498edc 495static inline bool ieee80211_is_auth(__le16 fc)
fd7c8a40
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496{
497 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
498 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
499}
500
501/**
502 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
503 * @fc: frame control bytes in little-endian byteorder
504 */
35498edc 505static inline bool ieee80211_is_deauth(__le16 fc)
fd7c8a40
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506{
507 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
508 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
509}
510
511/**
512 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
513 * @fc: frame control bytes in little-endian byteorder
514 */
35498edc 515static inline bool ieee80211_is_action(__le16 fc)
fd7c8a40
HH
516{
517 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
518 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
519}
520
521/**
522 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
523 * @fc: frame control bytes in little-endian byteorder
524 */
35498edc 525static inline bool ieee80211_is_back_req(__le16 fc)
fd7c8a40
HH
526{
527 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
528 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
529}
530
531/**
532 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
533 * @fc: frame control bytes in little-endian byteorder
534 */
35498edc 535static inline bool ieee80211_is_back(__le16 fc)
fd7c8a40
HH
536{
537 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
538 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
539}
540
541/**
542 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
543 * @fc: frame control bytes in little-endian byteorder
544 */
35498edc 545static inline bool ieee80211_is_pspoll(__le16 fc)
fd7c8a40
HH
546{
547 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
548 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
549}
550
551/**
552 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
553 * @fc: frame control bytes in little-endian byteorder
554 */
35498edc 555static inline bool ieee80211_is_rts(__le16 fc)
fd7c8a40
HH
556{
557 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
558 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
559}
560
561/**
562 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
563 * @fc: frame control bytes in little-endian byteorder
564 */
35498edc 565static inline bool ieee80211_is_cts(__le16 fc)
fd7c8a40
HH
566{
567 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
568 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
569}
570
571/**
572 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
573 * @fc: frame control bytes in little-endian byteorder
574 */
35498edc 575static inline bool ieee80211_is_ack(__le16 fc)
fd7c8a40
HH
576{
577 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
578 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
579}
580
581/**
582 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
583 * @fc: frame control bytes in little-endian byteorder
584 */
35498edc 585static inline bool ieee80211_is_cfend(__le16 fc)
fd7c8a40
HH
586{
587 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
588 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
589}
590
591/**
592 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
593 * @fc: frame control bytes in little-endian byteorder
594 */
35498edc 595static inline bool ieee80211_is_cfendack(__le16 fc)
fd7c8a40
HH
596{
597 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
598 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
599}
600
601/**
22403def 602 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH
603 * @fc: frame control bytes in little-endian byteorder
604 */
35498edc 605static inline bool ieee80211_is_nullfunc(__le16 fc)
fd7c8a40
HH
606{
607 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
608 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
609}
a9de8ce0 610
22403def
JB
611/**
612 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
613 * @fc: frame control bytes in little-endian byteorder
614 */
35498edc 615static inline bool ieee80211_is_qos_nullfunc(__le16 fc)
22403def
JB
616{
617 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
618 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
619}
620
b4ba544c
JB
621/**
622 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
623 * @fc: frame control field in little-endian byteorder
624 */
625static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
626{
627 /* IEEE 802.11-2012, definition of "bufferable management frame";
628 * note that this ignores the IBSS special case. */
629 return ieee80211_is_mgmt(fc) &&
630 (ieee80211_is_action(fc) ||
631 ieee80211_is_disassoc(fc) ||
632 ieee80211_is_deauth(fc));
633}
634
8cb25e14
HS
635/**
636 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
637 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
638 */
35498edc 639static inline bool ieee80211_is_first_frag(__le16 seq_ctrl)
8cb25e14
HS
640{
641 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
642}
643
49ddf8e6
JB
644/**
645 * ieee80211_is_frag - check if a frame is a fragment
646 * @hdr: 802.11 header of the frame
647 */
648static inline bool ieee80211_is_frag(struct ieee80211_hdr *hdr)
649{
650 return ieee80211_has_morefrags(hdr->frame_control) ||
651 hdr->seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG);
652}
653
37c57989
LCC
654struct ieee80211s_hdr {
655 u8 flags;
656 u8 ttl;
51ceddad 657 __le32 seqnum;
574e2af7
JP
658 u8 eaddr1[ETH_ALEN];
659 u8 eaddr2[ETH_ALEN];
b8a31c9a 660} __packed __aligned(2);
37c57989 661
79617dee
Y
662/* Mesh flags */
663#define MESH_FLAGS_AE_A4 0x1
664#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 665#define MESH_FLAGS_AE 0x3
79617dee
Y
666#define MESH_FLAGS_PS_DEEP 0x4
667
a69cc44f
CYY
668/**
669 * enum ieee80211_preq_flags - mesh PREQ element flags
670 *
671 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
672 */
673enum ieee80211_preq_flags {
674 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
675};
676
677/**
678 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
679 *
680 * @IEEE80211_PREQ_TO_FLAG: target only subfield
681 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
682 */
683enum ieee80211_preq_target_flags {
684 IEEE80211_PREQ_TO_FLAG = 1<<0,
685 IEEE80211_PREQ_USN_FLAG = 1<<2,
686};
687
f2df3859
AK
688/**
689 * struct ieee80211_quiet_ie
690 *
691 * This structure refers to "Quiet information element"
692 */
693struct ieee80211_quiet_ie {
694 u8 count;
695 u8 period;
696 __le16 duration;
697 __le16 offset;
598a5938 698} __packed;
f2df3859
AK
699
700/**
701 * struct ieee80211_msrment_ie
702 *
703 * This structure refers to "Measurement Request/Report information element"
704 */
705struct ieee80211_msrment_ie {
706 u8 token;
707 u8 mode;
708 u8 type;
709 u8 request[0];
598a5938 710} __packed;
f2df3859
AK
711
712/**
713 * struct ieee80211_channel_sw_ie
714 *
715 * This structure refers to "Channel Switch Announcement information element"
716 */
717struct ieee80211_channel_sw_ie {
718 u8 mode;
719 u8 new_ch_num;
720 u8 count;
598a5938 721} __packed;
37c57989 722
b4f286a1
JB
723/**
724 * struct ieee80211_ext_chansw_ie
725 *
726 * This structure represents the "Extended Channel Switch Announcement element"
727 */
728struct ieee80211_ext_chansw_ie {
729 u8 mode;
730 u8 new_operating_class;
731 u8 new_ch_num;
732 u8 count;
733} __packed;
734
85220d71
JB
735/**
736 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
737 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
738 * values here
739 * This structure represents the "Secondary Channel Offset element"
740 */
741struct ieee80211_sec_chan_offs_ie {
742 u8 sec_chan_offs;
743} __packed;
744
8f2535b9
CYY
745/**
746 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
747 *
748 * This structure represents the "Mesh Channel Switch Paramters element"
749 */
750struct ieee80211_mesh_chansw_params_ie {
751 u8 mesh_ttl;
752 u8 mesh_flags;
753 __le16 mesh_reason;
754 __le16 mesh_pre_value;
755} __packed;
756
b2e506bf
JB
757/**
758 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
759 */
760struct ieee80211_wide_bw_chansw_ie {
761 u8 new_channel_width;
762 u8 new_center_freq_seg0, new_center_freq_seg1;
763} __packed;
764
98f7dfd8
EG
765/**
766 * struct ieee80211_tim
767 *
768 * This structure refers to "Traffic Indication Map information element"
769 */
770struct ieee80211_tim_ie {
771 u8 dtim_count;
772 u8 dtim_period;
773 u8 bitmap_ctrl;
774 /* variable size: 1 - 251 bytes */
e7ec86f5 775 u8 virtual_map[1];
598a5938 776} __packed;
98f7dfd8 777
136cfa28
RP
778/**
779 * struct ieee80211_meshconf_ie
780 *
781 * This structure refers to "Mesh Configuration information element"
782 */
783struct ieee80211_meshconf_ie {
784 u8 meshconf_psel;
785 u8 meshconf_pmetric;
786 u8 meshconf_congest;
787 u8 meshconf_synch;
788 u8 meshconf_auth;
789 u8 meshconf_form;
790 u8 meshconf_cap;
598a5938 791} __packed;
136cfa28 792
65821635
MP
793/**
794 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
795 *
796 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
797 * additional mesh peerings with other mesh STAs
798 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
799 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
800 * is ongoing
3f52b7e3
MP
801 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
802 * neighbors in deep sleep mode
65821635
MP
803 */
804enum mesh_config_capab_flags {
805 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
806 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
807 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
3f52b7e3 808 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
65821635
MP
809};
810
8f2535b9
CYY
811/**
812 * mesh channel switch parameters element's flag indicator
813 *
814 */
815#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
816#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
817#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
818
90a5e169
RP
819/**
820 * struct ieee80211_rann_ie
821 *
822 * This structure refers to "Root Announcement information element"
823 */
824struct ieee80211_rann_ie {
825 u8 rann_flags;
826 u8 rann_hopcount;
827 u8 rann_ttl;
574e2af7 828 u8 rann_addr[ETH_ALEN];
292c41ac
CYY
829 __le32 rann_seq;
830 __le32 rann_interval;
831 __le32 rann_metric;
598a5938 832} __packed;
90a5e169 833
5ee68e5b
JC
834enum ieee80211_rann_flags {
835 RANN_FLAG_IS_GATE = 1 << 0,
836};
837
ec61cd63
JB
838enum ieee80211_ht_chanwidth_values {
839 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
840 IEEE80211_HT_CHANWIDTH_ANY = 1,
841};
842
7bf9b9a0
JB
843/**
844 * enum ieee80211_opmode_bits - VHT operating mode field bits
845 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
846 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
847 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
848 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
849 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
850 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
851 * (the NSS value is the value of this field + 1)
852 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
853 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
854 * using a beamforming steering matrix
855 */
856enum ieee80211_vht_opmode_bits {
857 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
858 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
859 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
860 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
861 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
862 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
863 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
864 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
865};
866
9dfd6ba3 867#define WLAN_SA_QUERY_TR_ID_LEN 2
23a1f8d4
SS
868#define WLAN_MEMBERSHIP_LEN 8
869#define WLAN_USER_POSITION_LEN 16
fea14732 870
170fd0b1
AO
871/**
872 * struct ieee80211_tpc_report_ie
873 *
874 * This structure refers to "TPC Report element"
875 */
876struct ieee80211_tpc_report_ie {
877 u8 tx_power;
878 u8 link_margin;
879} __packed;
880
a9de8ce0
JB
881struct ieee80211_mgmt {
882 __le16 frame_control;
883 __le16 duration;
574e2af7
JP
884 u8 da[ETH_ALEN];
885 u8 sa[ETH_ALEN];
886 u8 bssid[ETH_ALEN];
a9de8ce0
JB
887 __le16 seq_ctrl;
888 union {
889 struct {
890 __le16 auth_alg;
891 __le16 auth_transaction;
892 __le16 status_code;
893 /* possibly followed by Challenge text */
894 u8 variable[0];
598a5938 895 } __packed auth;
a9de8ce0
JB
896 struct {
897 __le16 reason_code;
598a5938 898 } __packed deauth;
a9de8ce0
JB
899 struct {
900 __le16 capab_info;
901 __le16 listen_interval;
902 /* followed by SSID and Supported rates */
903 u8 variable[0];
598a5938 904 } __packed assoc_req;
a9de8ce0
JB
905 struct {
906 __le16 capab_info;
907 __le16 status_code;
908 __le16 aid;
909 /* followed by Supported rates */
910 u8 variable[0];
598a5938 911 } __packed assoc_resp, reassoc_resp;
a9de8ce0
JB
912 struct {
913 __le16 capab_info;
914 __le16 listen_interval;
574e2af7 915 u8 current_ap[ETH_ALEN];
a9de8ce0
JB
916 /* followed by SSID and Supported rates */
917 u8 variable[0];
598a5938 918 } __packed reassoc_req;
a9de8ce0
JB
919 struct {
920 __le16 reason_code;
598a5938 921 } __packed disassoc;
a9de8ce0
JB
922 struct {
923 __le64 timestamp;
924 __le16 beacon_int;
925 __le16 capab_info;
926 /* followed by some of SSID, Supported rates,
927 * FH Params, DS Params, CF Params, IBSS Params, TIM */
928 u8 variable[0];
598a5938 929 } __packed beacon;
a9de8ce0
JB
930 struct {
931 /* only variable items: SSID, Supported rates */
932 u8 variable[0];
598a5938 933 } __packed probe_req;
a9de8ce0
JB
934 struct {
935 __le64 timestamp;
936 __le16 beacon_int;
937 __le16 capab_info;
938 /* followed by some of SSID, Supported rates,
939 * FH Params, DS Params, CF Params, IBSS Params */
940 u8 variable[0];
598a5938 941 } __packed probe_resp;
a9de8ce0
JB
942 struct {
943 u8 category;
944 union {
945 struct {
946 u8 action_code;
947 u8 dialog_token;
948 u8 status_code;
949 u8 variable[0];
598a5938 950 } __packed wme_action;
a9de8ce0
JB
951 struct{
952 u8 action_code;
37799e52 953 u8 variable[0];
598a5938 954 } __packed chan_switch;
1b3a2e49
JB
955 struct{
956 u8 action_code;
957 struct ieee80211_ext_chansw_ie data;
958 u8 variable[0];
959 } __packed ext_chan_switch;
f2df3859
AK
960 struct{
961 u8 action_code;
962 u8 dialog_token;
963 u8 element_id;
964 u8 length;
965 struct ieee80211_msrment_ie msr_elem;
598a5938 966 } __packed measurement;
6b4e3241
RR
967 struct{
968 u8 action_code;
969 u8 dialog_token;
970 __le16 capab;
971 __le16 timeout;
972 __le16 start_seq_num;
598a5938 973 } __packed addba_req;
6b4e3241
RR
974 struct{
975 u8 action_code;
976 u8 dialog_token;
977 __le16 status;
978 __le16 capab;
979 __le16 timeout;
598a5938 980 } __packed addba_resp;
6b4e3241
RR
981 struct{
982 u8 action_code;
983 __le16 params;
984 __le16 reason_code;
598a5938 985 } __packed delba;
6709a6d9
TP
986 struct {
987 u8 action_code;
988 u8 variable[0];
598a5938 989 } __packed self_prot;
37c57989
LCC
990 struct{
991 u8 action_code;
992 u8 variable[0];
598a5938 993 } __packed mesh_action;
fea14732
JM
994 struct {
995 u8 action;
996 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
598a5938 997 } __packed sa_query;
0f78231b
JB
998 struct {
999 u8 action;
1000 u8 smps_control;
598a5938 1001 } __packed ht_smps;
ec61cd63
JB
1002 struct {
1003 u8 action_code;
1004 u8 chanwidth;
1005 } __packed ht_notify_cw;
dfe018bf
AN
1006 struct {
1007 u8 action_code;
1008 u8 dialog_token;
1009 __le16 capability;
1010 u8 variable[0];
1011 } __packed tdls_discover_resp;
7bf9b9a0
JB
1012 struct {
1013 u8 action_code;
1014 u8 operating_mode;
1015 } __packed vht_opmode_notif;
23a1f8d4
SS
1016 struct {
1017 u8 action_code;
1018 u8 membership[WLAN_MEMBERSHIP_LEN];
1019 u8 position[WLAN_USER_POSITION_LEN];
1020 } __packed vht_group_notif;
170fd0b1
AO
1021 struct {
1022 u8 action_code;
1023 u8 dialog_token;
1024 u8 tpc_elem_id;
1025 u8 tpc_elem_length;
1026 struct ieee80211_tpc_report_ie tpc;
1027 } __packed tpc_report;
3c5bcb2e
AS
1028 struct {
1029 u8 action_code;
1030 u8 dialog_token;
1031 u8 follow_up;
1032 u8 tod[6];
1033 u8 toa[6];
1034 __le16 tod_error;
1035 __le16 toa_error;
1036 u8 variable[0];
1037 } __packed ftm;
a9de8ce0 1038 } u;
598a5938 1039 } __packed action;
a9de8ce0 1040 } u;
b8a31c9a 1041} __packed __aligned(2);
a9de8ce0 1042
c74d084f
CL
1043/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1044#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1045
44d414db
JB
1046/* mgmt header + 1 byte category code */
1047#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1048
a9de8ce0 1049
765cb46a
JM
1050/* Management MIC information element (IEEE 802.11w) */
1051struct ieee80211_mmie {
1052 u8 element_id;
1053 u8 length;
1054 __le16 key_id;
1055 u8 sequence_number[6];
1056 u8 mic[8];
598a5938 1057} __packed;
765cb46a 1058
56c52da2
JM
1059/* Management MIC information element (IEEE 802.11w) for GMAC and CMAC-256 */
1060struct ieee80211_mmie_16 {
1061 u8 element_id;
1062 u8 length;
1063 __le16 key_id;
1064 u8 sequence_number[6];
1065 u8 mic[16];
1066} __packed;
1067
0c28ec58
EP
1068struct ieee80211_vendor_ie {
1069 u8 element_id;
1070 u8 len;
1071 u8 oui[3];
1072 u8 oui_type;
1073} __packed;
1074
6f7eaa47
AN
1075struct ieee80211_wmm_ac_param {
1076 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1077 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1078 __le16 txop_limit;
1079} __packed;
1080
1081struct ieee80211_wmm_param_ie {
1082 u8 element_id; /* Element ID: 221 (0xdd); */
1083 u8 len; /* Length: 24 */
1084 /* required fields for WMM version 1 */
1085 u8 oui[3]; /* 00:50:f2 */
1086 u8 oui_type; /* 2 */
1087 u8 oui_subtype; /* 1 */
1088 u8 version; /* 1 for WMM version 1.0 */
1089 u8 qos_info; /* AP/STA specific QoS info */
1090 u8 reserved; /* 0 */
1091 /* AC_BE, AC_BK, AC_VI, AC_VO */
1092 struct ieee80211_wmm_ac_param ac[4];
1093} __packed;
1094
a9de8ce0
JB
1095/* Control frames */
1096struct ieee80211_rts {
1097 __le16 frame_control;
1098 __le16 duration;
574e2af7
JP
1099 u8 ra[ETH_ALEN];
1100 u8 ta[ETH_ALEN];
b8a31c9a 1101} __packed __aligned(2);
a9de8ce0
JB
1102
1103struct ieee80211_cts {
1104 __le16 frame_control;
1105 __le16 duration;
574e2af7 1106 u8 ra[ETH_ALEN];
b8a31c9a 1107} __packed __aligned(2);
a9de8ce0 1108
fc6971d4
JM
1109struct ieee80211_pspoll {
1110 __le16 frame_control;
1111 __le16 aid;
574e2af7
JP
1112 u8 bssid[ETH_ALEN];
1113 u8 ta[ETH_ALEN];
b8a31c9a 1114} __packed __aligned(2);
fc6971d4 1115
dfe018bf
AN
1116/* TDLS */
1117
53837584
AN
1118/* Channel switch timing */
1119struct ieee80211_ch_switch_timing {
1120 __le16 switch_time;
1121 __le16 switch_timeout;
1122} __packed;
1123
dfe018bf
AN
1124/* Link-id information element */
1125struct ieee80211_tdls_lnkie {
1126 u8 ie_type; /* Link Identifier IE */
1127 u8 ie_len;
574e2af7
JP
1128 u8 bssid[ETH_ALEN];
1129 u8 init_sta[ETH_ALEN];
1130 u8 resp_sta[ETH_ALEN];
dfe018bf
AN
1131} __packed;
1132
1133struct ieee80211_tdls_data {
574e2af7
JP
1134 u8 da[ETH_ALEN];
1135 u8 sa[ETH_ALEN];
dfe018bf
AN
1136 __be16 ether_type;
1137 u8 payload_type;
1138 u8 category;
1139 u8 action_code;
1140 union {
1141 struct {
1142 u8 dialog_token;
1143 __le16 capability;
1144 u8 variable[0];
1145 } __packed setup_req;
1146 struct {
1147 __le16 status_code;
1148 u8 dialog_token;
1149 __le16 capability;
1150 u8 variable[0];
1151 } __packed setup_resp;
1152 struct {
1153 __le16 status_code;
1154 u8 dialog_token;
1155 u8 variable[0];
1156 } __packed setup_cfm;
1157 struct {
1158 __le16 reason_code;
1159 u8 variable[0];
1160 } __packed teardown;
1161 struct {
1162 u8 dialog_token;
1163 u8 variable[0];
1164 } __packed discover_req;
53837584
AN
1165 struct {
1166 u8 target_channel;
1167 u8 oper_class;
1168 u8 variable[0];
1169 } __packed chan_switch_req;
1170 struct {
1171 __le16 status_code;
1172 u8 variable[0];
1173 } __packed chan_switch_resp;
dfe018bf
AN
1174 } u;
1175} __packed;
1176
ba350fbc
AS
1177/*
1178 * Peer-to-Peer IE attribute related definitions.
1179 */
1180/**
1181 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1182 */
1183enum ieee80211_p2p_attr_id {
1184 IEEE80211_P2P_ATTR_STATUS = 0,
1185 IEEE80211_P2P_ATTR_MINOR_REASON,
1186 IEEE80211_P2P_ATTR_CAPABILITY,
1187 IEEE80211_P2P_ATTR_DEVICE_ID,
1188 IEEE80211_P2P_ATTR_GO_INTENT,
1189 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1190 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1191 IEEE80211_P2P_ATTR_GROUP_BSSID,
1192 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1193 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1194 IEEE80211_P2P_ATTR_MANAGABILITY,
1195 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1196 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1197 IEEE80211_P2P_ATTR_DEVICE_INFO,
1198 IEEE80211_P2P_ATTR_GROUP_INFO,
1199 IEEE80211_P2P_ATTR_GROUP_ID,
1200 IEEE80211_P2P_ATTR_INTERFACE,
1201 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1202 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1203 /* 19 - 220: Reserved */
1204 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1205
1206 IEEE80211_P2P_ATTR_MAX
1207};
1208
19dde0bd
JD
1209/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1210/* Typical max value used here */
1211#define IEEE80211_P2P_NOA_DESC_MAX 4
1212
1213struct ieee80211_p2p_noa_desc {
1214 u8 count;
1215 __le32 duration;
1216 __le32 interval;
1217 __le32 start_time;
1218} __packed;
1219
1220struct ieee80211_p2p_noa_attr {
1221 u8 index;
1222 u8 oppps_ctwindow;
1223 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1224} __packed;
1225
1226#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1227#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1228
6b4e3241
RR
1229/**
1230 * struct ieee80211_bar - HT Block Ack Request
1231 *
1232 * This structure refers to "HT BlockAckReq" as
1233 * described in 802.11n draft section 7.2.1.7.1
1234 */
1235struct ieee80211_bar {
1236 __le16 frame_control;
1237 __le16 duration;
574e2af7
JP
1238 __u8 ra[ETH_ALEN];
1239 __u8 ta[ETH_ALEN];
a8b47ea3
RR
1240 __le16 control;
1241 __le16 start_seq_num;
598a5938 1242} __packed;
6b4e3241 1243
429a3805 1244/* 802.11 BAR control masks */
c1407b6c
HS
1245#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1246#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1247#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1248#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1249#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB
1250
1251#define IEEE80211_HT_MCS_MASK_LEN 10
1252
1253/**
1254 * struct ieee80211_mcs_info - MCS information
1255 * @rx_mask: RX mask
9da3e068
LR
1256 * @rx_highest: highest supported RX rate. If set represents
1257 * the highest supported RX data rate in units of 1 Mbps.
1258 * If this field is 0 this value should not be used to
1259 * consider the highest RX data rate supported.
d9fe60de
JB
1260 * @tx_params: TX parameters
1261 */
1262struct ieee80211_mcs_info {
1263 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1264 __le16 rx_highest;
1265 u8 tx_params;
1266 u8 reserved[3];
598a5938 1267} __packed;
d9fe60de
JB
1268
1269/* 802.11n HT capability MSC set */
1270#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1271#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1272#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1273/* value 0 == 1 stream etc */
1274#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1275#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1276#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1277#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1278
1279/*
1280 * 802.11n D5.0 20.3.5 / 20.6 says:
1281 * - indices 0 to 7 and 32 are single spatial stream
1282 * - 8 to 31 are multiple spatial streams using equal modulation
1283 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1284 * - remainder are multiple spatial streams using unequal modulation
1285 */
1286#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1287#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1288 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1289
6b4e3241
RR
1290/**
1291 * struct ieee80211_ht_cap - HT capabilities
1292 *
d9fe60de
JB
1293 * This structure is the "HT capabilities element" as
1294 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR
1295 */
1296struct ieee80211_ht_cap {
1297 __le16 cap_info;
1298 u8 ampdu_params_info;
d9fe60de
JB
1299
1300 /* 16 bytes MCS information */
1301 struct ieee80211_mcs_info mcs;
1302
6b4e3241
RR
1303 __le16 extended_ht_cap_info;
1304 __le32 tx_BF_cap_info;
1305 u8 antenna_selection_info;
598a5938 1306} __packed;
6b4e3241 1307
d9fe60de
JB
1308/* 802.11n HT capabilities masks (for cap_info) */
1309#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1310#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1311#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 1312#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB
1313#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1314#define IEEE80211_HT_CAP_SGI_20 0x0020
1315#define IEEE80211_HT_CAP_SGI_40 0x0040
1316#define IEEE80211_HT_CAP_TX_STBC 0x0080
1317#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 1318#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB
1319#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1320#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1321#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 1322#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB
1323#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1324#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1325
4dd365fd
BZ
1326/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1327#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1328#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1329#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1330#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1331#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1332#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1333#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1334
d9fe60de
JB
1335/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1336#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1337#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 1338#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 1339
d1eba248 1340/*
0563921a 1341 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
d1eba248
S
1342 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1343 */
1344enum ieee80211_max_ampdu_length_exp {
1345 IEEE80211_HT_MAX_AMPDU_8K = 0,
1346 IEEE80211_HT_MAX_AMPDU_16K = 1,
1347 IEEE80211_HT_MAX_AMPDU_32K = 2,
1348 IEEE80211_HT_MAX_AMPDU_64K = 3
1349};
1350
0563921a
EH
1351/*
1352 * Maximum length of AMPDU that the STA can receive in VHT.
1353 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1354 */
1355enum ieee80211_vht_max_ampdu_length_exp {
1356 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1357 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1358 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1359 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1360 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1361 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1362 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1363 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1364};
1365
d1eba248
S
1366#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1367
1368/* Minimum MPDU start spacing */
1369enum ieee80211_min_mpdu_spacing {
1370 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1371 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1372 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1373 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1374 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1375 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1376 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1377 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1378};
1379
6b4e3241 1380/**
074d46d1 1381 * struct ieee80211_ht_operation - HT operation IE
6b4e3241 1382 *
074d46d1
JB
1383 * This structure is the "HT operation element" as
1384 * described in 802.11n-2009 7.3.2.57
6b4e3241 1385 */
074d46d1
JB
1386struct ieee80211_ht_operation {
1387 u8 primary_chan;
6b4e3241
RR
1388 u8 ht_param;
1389 __le16 operation_mode;
1390 __le16 stbc_param;
1391 u8 basic_set[16];
598a5938 1392} __packed;
6b4e3241 1393
d9fe60de
JB
1394/* for ht_param */
1395#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1396#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1397#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1398#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1399#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1400#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
d9fe60de
JB
1401
1402/* for operation_mode */
1403#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1404#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1405#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1406#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1407#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1408#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1409#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1410
1411/* for stbc_param */
1412#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1413#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1414#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1415#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1416#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1417#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1418
a9de8ce0 1419
44d414db 1420/* block-ack parameters */
e3abc8ff 1421#define IEEE80211_ADDBA_PARAM_AMSDU_MASK 0x0001
44d414db
JB
1422#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1423#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1424#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB
1425#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1426#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1427
1428/*
1429 * A-PMDU buffer sizes
1430 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1431 */
1432#define IEEE80211_MIN_AMPDU_BUF 0x8
1433#define IEEE80211_MAX_AMPDU_BUF 0x40
1434
1435
0f78231b 1436/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW
1437#define WLAN_HT_CAP_SM_PS_STATIC 0
1438#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1439#define WLAN_HT_CAP_SM_PS_INVALID 2
1440#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1441
0f78231b
JB
1442/* for SM power control field lower two bits */
1443#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1444#define WLAN_HT_SMPS_CONTROL_STATIC 1
1445#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1446
ce0e1695
MP
1447/**
1448 * struct ieee80211_vht_mcs_info - VHT MCS information
1449 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1450 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1451 * STA can receive. Rate expressed in units of 1 Mbps.
1452 * If this field is 0 this value should not be used to
1453 * consider the highest RX data rate supported.
7173a1fa 1454 * The top 3 bits of this field are reserved.
ce0e1695
MP
1455 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1456 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1457 * STA can transmit. Rate expressed in units of 1 Mbps.
1458 * If this field is 0 this value should not be used to
1459 * consider the highest TX data rate supported.
7173a1fa 1460 * The top 3 bits of this field are reserved.
ce0e1695
MP
1461 */
1462struct ieee80211_vht_mcs_info {
1463 __le16 rx_mcs_map;
1464 __le16 rx_highest;
1465 __le16 tx_mcs_map;
1466 __le16 tx_highest;
1467} __packed;
1468
7173a1fa
JB
1469/**
1470 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1471 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1472 * number of streams
1473 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1474 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1475 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1476 *
1477 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1478 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1479 * both split into 8 subfields by number of streams. These values indicate
1480 * which MCSes are supported for the number of streams the value appears
1481 * for.
1482 */
1483enum ieee80211_vht_mcs_support {
1484 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1485 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1486 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1487 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1488};
1489
d4950281
MP
1490/**
1491 * struct ieee80211_vht_cap - VHT capabilities
1492 *
1493 * This structure is the "VHT capabilities element" as
1494 * described in 802.11ac D3.0 8.4.2.160
1495 * @vht_cap_info: VHT capability info
1496 * @supp_mcs: VHT MCS supported rates
1497 */
1498struct ieee80211_vht_cap {
1499 __le32 vht_cap_info;
1500 struct ieee80211_vht_mcs_info supp_mcs;
1501} __packed;
1502
f2d9d270
JB
1503/**
1504 * enum ieee80211_vht_chanwidth - VHT channel width
1505 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1506 * determine the channel width (20 or 40 MHz)
1507 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1508 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1509 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1510 */
1511enum ieee80211_vht_chanwidth {
1512 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1513 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1514 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1515 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1516};
1517
d4950281
MP
1518/**
1519 * struct ieee80211_vht_operation - VHT operation IE
1520 *
1521 * This structure is the "VHT operation element" as
1522 * described in 802.11ac D3.0 8.4.2.161
1523 * @chan_width: Operating channel width
1524 * @center_freq_seg1_idx: center freq segment 1 index
1525 * @center_freq_seg2_idx: center freq segment 2 index
1526 * @basic_mcs_set: VHT Basic MCS rate set
1527 */
1528struct ieee80211_vht_operation {
1529 u8 chan_width;
1530 u8 center_freq_seg1_idx;
1531 u8 center_freq_seg2_idx;
1532 __le16 basic_mcs_set;
1533} __packed;
1534
1535
ce0e1695 1536/* 802.11ac VHT Capabilities */
01331040
JB
1537#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1538#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1539#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
506bcfa8 1540#define IEEE80211_VHT_CAP_MAX_MPDU_MASK 0x00000003
01331040
JB
1541#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1542#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
0af83d3d 1543#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
01331040
JB
1544#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1545#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1546#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1547#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1548#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1549#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1550#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1551#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
55d942f4 1552#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
01331040
JB
1553#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1554#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
fbdd90ea
ES
1555#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1556#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1557 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1558#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1559#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1560 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
01331040
JB
1561#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1562#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1563#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1564#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1565#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1566#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1567 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1568#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1569#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1570#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1571#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
ce0e1695 1572
a9de8ce0
JB
1573/* Authentication algorithms */
1574#define WLAN_AUTH_OPEN 0
1575#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1576#define WLAN_AUTH_FT 2
cfdfa4d3 1577#define WLAN_AUTH_SAE 3
bb608e9d 1578#define WLAN_AUTH_LEAP 128
a9de8ce0
JB
1579
1580#define WLAN_AUTH_CHALLENGE_LEN 128
1581
1582#define WLAN_CAPABILITY_ESS (1<<0)
1583#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1584
333ba732
EP
1585/*
1586 * A mesh STA sets the ESS and IBSS capability bits to zero.
1587 * however, this holds true for p2p probe responses (in the p2p_find
1588 * phase) as well.
1589 */
1590#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC
1591 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1592
a9de8ce0
JB
1593#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1594#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1595#define WLAN_CAPABILITY_PRIVACY (1<<4)
1596#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1597#define WLAN_CAPABILITY_PBCC (1<<6)
1598#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1599
a9de8ce0
JB
1600/* 802.11h */
1601#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1602#define WLAN_CAPABILITY_QOS (1<<9)
1603#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
0f6dfcee
VK
1604#define WLAN_CAPABILITY_APSD (1<<11)
1605#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
a9de8ce0 1606#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
0f6dfcee
VK
1607#define WLAN_CAPABILITY_DEL_BACK (1<<14)
1608#define WLAN_CAPABILITY_IMM_BACK (1<<15)
b188148c
VK
1609
1610/* DMG (60gHz) 802.11ad */
1611/* type - bits 0..1 */
0f6dfcee 1612#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
b188148c
VK
1613#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1614#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1615#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1616
1617#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
0f6dfcee 1618#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
b188148c
VK
1619#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1620#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1621
1622#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1623#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1624
b6623486
AK
1625/* measurement */
1626#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1627#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1628#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1629
1630#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1631#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1632#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1633
5628221c
DD
1634/* 802.11g ERP information element */
1635#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1636#define WLAN_ERP_USE_PROTECTION (1<<1)
1637#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1638
1639/* WLAN_ERP_BARKER_PREAMBLE values */
1640enum {
1641 WLAN_ERP_PREAMBLE_SHORT = 0,
1642 WLAN_ERP_PREAMBLE_LONG = 1,
1643};
1644
b188148c
VK
1645/* Band ID, 802.11ad #8.4.1.45 */
1646enum {
1647 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1648 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1649 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1650 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1651 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1652 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1653};
1654
a9de8ce0
JB
1655/* Status codes */
1656enum ieee80211_statuscode {
1657 WLAN_STATUS_SUCCESS = 0,
1658 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1659 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1660 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1661 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1662 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1663 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1664 WLAN_STATUS_CHALLENGE_FAIL = 15,
1665 WLAN_STATUS_AUTH_TIMEOUT = 16,
1666 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1667 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1668 /* 802.11b */
1669 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1670 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1671 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1672 /* 802.11h */
1673 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1674 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1675 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1676 /* 802.11g */
1677 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1678 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM
1679 /* 802.11w */
1680 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1681 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB
1682 /* 802.11i */
1683 WLAN_STATUS_INVALID_IE = 40,
1684 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1685 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1686 WLAN_STATUS_INVALID_AKMP = 43,
1687 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1688 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1689 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR
1690 /* 802.11e */
1691 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1692 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1693 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1694 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1695 WLAN_STATUS_REQUEST_DECLINED = 37,
1696 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1697 WLAN_STATUS_CHANGE_TSPEC = 39,
1698 WLAN_STATUS_WAIT_TS_DELAY = 47,
1699 WLAN_STATUS_NO_DIRECT_LINK = 48,
1700 WLAN_STATUS_STA_NOT_PRESENT = 49,
1701 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S
1702 /* 802.11s */
1703 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1704 WLAN_STATUS_FCG_NOT_SUPP = 78,
1705 WLAN_STATUS_STA_NO_TBTT = 78,
b188148c
VK
1706 /* 802.11ad */
1707 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1708 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1709 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1710 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1711 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1712 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1713 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1714 WLAN_STATUS_REJECT_DSE_BAND = 96,
1715 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1716 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
a9de8ce0
JB
1717};
1718
1719
1720/* Reason codes */
1721enum ieee80211_reasoncode {
1722 WLAN_REASON_UNSPECIFIED = 1,
1723 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1724 WLAN_REASON_DEAUTH_LEAVING = 3,
1725 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1726 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1727 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1728 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1729 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1730 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1731 /* 802.11h */
1732 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1733 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1734 /* 802.11i */
1735 WLAN_REASON_INVALID_IE = 13,
1736 WLAN_REASON_MIC_FAILURE = 14,
1737 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1738 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1739 WLAN_REASON_IE_DIFFERENT = 17,
1740 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1741 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1742 WLAN_REASON_INVALID_AKMP = 20,
1743 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1744 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1745 WLAN_REASON_IEEE8021X_FAILED = 23,
1746 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
c887f0d3
AN
1747 /* TDLS (802.11z) */
1748 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1749 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
6b4e3241
RR
1750 /* 802.11e */
1751 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1752 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1753 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1754 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1755 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1756 WLAN_REASON_QSTA_NOT_USE = 37,
1757 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1758 WLAN_REASON_QSTA_TIMEOUT = 39,
1759 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S
1760 /* 802.11s */
1761 WLAN_REASON_MESH_PEER_CANCELED = 52,
1762 WLAN_REASON_MESH_MAX_PEERS = 53,
1763 WLAN_REASON_MESH_CONFIG = 54,
1764 WLAN_REASON_MESH_CLOSE = 55,
1765 WLAN_REASON_MESH_MAX_RETRIES = 56,
1766 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1767 WLAN_REASON_MESH_INVALID_GTK = 58,
1768 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1769 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1770 WLAN_REASON_MESH_PATH_ERROR = 61,
1771 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1772 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1773 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1774 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1775 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB
1776};
1777
1778
1779/* Information Element IDs */
1780enum ieee80211_eid {
1781 WLAN_EID_SSID = 0,
1782 WLAN_EID_SUPP_RATES = 1,
8c78e380 1783 WLAN_EID_FH_PARAMS = 2, /* reserved now */
a9de8ce0
JB
1784 WLAN_EID_DS_PARAMS = 3,
1785 WLAN_EID_CF_PARAMS = 4,
1786 WLAN_EID_TIM = 5,
1787 WLAN_EID_IBSS_PARAMS = 6,
a9de8ce0 1788 WLAN_EID_COUNTRY = 7,
0edd5fae 1789 /* 8, 9 reserved */
a9de8ce0 1790 WLAN_EID_REQUEST = 10,
6b4e3241
RR
1791 WLAN_EID_QBSS_LOAD = 11,
1792 WLAN_EID_EDCA_PARAM_SET = 12,
1793 WLAN_EID_TSPEC = 13,
1794 WLAN_EID_TCLAS = 14,
1795 WLAN_EID_SCHEDULE = 15,
8c78e380
JB
1796 WLAN_EID_CHALLENGE = 16,
1797 /* 17-31 reserved for challenge text extension */
a9de8ce0
JB
1798 WLAN_EID_PWR_CONSTRAINT = 32,
1799 WLAN_EID_PWR_CAPABILITY = 33,
1800 WLAN_EID_TPC_REQUEST = 34,
1801 WLAN_EID_TPC_REPORT = 35,
1802 WLAN_EID_SUPPORTED_CHANNELS = 36,
1803 WLAN_EID_CHANNEL_SWITCH = 37,
1804 WLAN_EID_MEASURE_REQUEST = 38,
1805 WLAN_EID_MEASURE_REPORT = 39,
1806 WLAN_EID_QUIET = 40,
1807 WLAN_EID_IBSS_DFS = 41,
a9de8ce0 1808 WLAN_EID_ERP_INFO = 42,
8c78e380
JB
1809 WLAN_EID_TS_DELAY = 43,
1810 WLAN_EID_TCLAS_PROCESSING = 44,
6b4e3241 1811 WLAN_EID_HT_CAPABILITY = 45,
8c78e380
JB
1812 WLAN_EID_QOS_CAPA = 46,
1813 /* 47 reserved for Broadcom */
a9de8ce0 1814 WLAN_EID_RSN = 48,
8c78e380
JB
1815 WLAN_EID_802_15_COEX = 49,
1816 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3
JB
1817 WLAN_EID_AP_CHAN_REPORT = 51,
1818 WLAN_EID_NEIGHBOR_REPORT = 52,
1819 WLAN_EID_RCPI = 53,
8c78e380
JB
1820 WLAN_EID_MOBILITY_DOMAIN = 54,
1821 WLAN_EID_FAST_BSS_TRANSITION = 55,
1822 WLAN_EID_TIMEOUT_INTERVAL = 56,
1823 WLAN_EID_RIC_DATA = 57,
1824 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1825 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1826 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1827 WLAN_EID_HT_OPERATION = 61,
1828 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
8e664fb3
JB
1829 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1830 WLAN_EID_ANTENNA_INFO = 64,
1831 WLAN_EID_RSNI = 65,
1832 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1833 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1834 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
8c78e380 1835 WLAN_EID_TIME_ADVERTISEMENT = 69,
8e664fb3
JB
1836 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1837 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b 1838 WLAN_EID_BSS_COEX_2040 = 72,
494b6590 1839 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
b7e8941b 1840 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
8e664fb3 1841 WLAN_EID_RIC_DESCRIPTOR = 75,
8c78e380
JB
1842 WLAN_EID_MMIE = 76,
1843 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1844 WLAN_EID_EVENT_REQUEST = 78,
1845 WLAN_EID_EVENT_REPORT = 79,
1846 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1847 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1848 WLAN_EID_LOCATION_PARAMS = 82,
b188148c 1849 WLAN_EID_NON_TX_BSSID_CAP = 83,
8c78e380
JB
1850 WLAN_EID_SSID_LIST = 84,
1851 WLAN_EID_MULTI_BSSID_IDX = 85,
1852 WLAN_EID_FMS_DESCRIPTOR = 86,
1853 WLAN_EID_FMS_REQUEST = 87,
1854 WLAN_EID_FMS_RESPONSE = 88,
1855 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1856 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1857 WLAN_EID_TSF_REQUEST = 91,
1858 WLAN_EID_TSF_RESPOSNE = 92,
1859 WLAN_EID_WNM_SLEEP_MODE = 93,
1860 WLAN_EID_TIM_BCAST_REQ = 94,
1861 WLAN_EID_TIM_BCAST_RESP = 95,
1862 WLAN_EID_COLL_IF_REPORT = 96,
1863 WLAN_EID_CHANNEL_USAGE = 97,
1864 WLAN_EID_TIME_ZONE = 98,
1865 WLAN_EID_DMS_REQUEST = 99,
1866 WLAN_EID_DMS_RESPONSE = 100,
1867 WLAN_EID_LINK_ID = 101,
1868 WLAN_EID_WAKEUP_SCHEDUL = 102,
1869 /* 103 reserved */
1870 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1871 WLAN_EID_PTI_CONTROL = 105,
1872 WLAN_EID_PU_BUFFER_STATUS = 106,
1873 WLAN_EID_INTERWORKING = 107,
1874 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1875 WLAN_EID_EXPEDITED_BW_REQ = 109,
1876 WLAN_EID_QOS_MAP_SET = 110,
1877 WLAN_EID_ROAMING_CONSORTIUM = 111,
1878 WLAN_EID_EMERGENCY_ALERT = 112,
1879 WLAN_EID_MESH_CONFIG = 113,
1880 WLAN_EID_MESH_ID = 114,
1881 WLAN_EID_LINK_METRIC_REPORT = 115,
1882 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1883 WLAN_EID_PEER_MGMT = 117,
1884 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1885 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1886 WLAN_EID_BEACON_TIMING = 120,
1887 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1888 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1889 WLAN_EID_MCCAOP_ADVERT = 123,
1890 WLAN_EID_MCCAOP_TEARDOWN = 124,
1891 WLAN_EID_GANN = 125,
1892 WLAN_EID_RANN = 126,
1893 WLAN_EID_EXT_CAPABILITY = 127,
1894 /* 128, 129 reserved for Agere */
1895 WLAN_EID_PREQ = 130,
1896 WLAN_EID_PREP = 131,
1897 WLAN_EID_PERR = 132,
1898 /* 133-136 reserved for Cisco */
1899 WLAN_EID_PXU = 137,
1900 WLAN_EID_PXUC = 138,
1901 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1902 WLAN_EID_MIC = 140,
1903 WLAN_EID_DESTINATION_URI = 141,
1904 WLAN_EID_UAPSD_COEX = 142,
b188148c
VK
1905 WLAN_EID_WAKEUP_SCHEDULE = 143,
1906 WLAN_EID_EXT_SCHEDULE = 144,
1907 WLAN_EID_STA_AVAILABILITY = 145,
1908 WLAN_EID_DMG_TSPEC = 146,
1909 WLAN_EID_DMG_AT = 147,
1910 WLAN_EID_DMG_CAP = 148,
c8d65917
SG
1911 /* 149 reserved for Cisco */
1912 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
b188148c
VK
1913 WLAN_EID_DMG_OPERATION = 151,
1914 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1915 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1916 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
8c78e380 1917 /* 155-156 reserved for Cisco */
b188148c
VK
1918 WLAN_EID_AWAKE_WINDOW = 157,
1919 WLAN_EID_MULTI_BAND = 158,
1920 WLAN_EID_ADDBA_EXT = 159,
1921 WLAN_EID_NEXT_PCP_LIST = 160,
1922 WLAN_EID_PCP_HANDOVER = 161,
1923 WLAN_EID_DMG_LINK_MARGIN = 162,
1924 WLAN_EID_SWITCHING_STREAM = 163,
1925 WLAN_EID_SESSION_TRANSITION = 164,
1926 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1927 WLAN_EID_CLUSTER_REPORT = 166,
1928 WLAN_EID_RELAY_CAP = 167,
1929 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1930 WLAN_EID_BEAM_LINK_MAINT = 169,
1931 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1932 WLAN_EID_U_PID = 171,
1933 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
8c78e380
JB
1934 /* 173 reserved for Symbol */
1935 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
b188148c 1936 WLAN_EID_QUIET_PERIOD_REQ = 175,
8c78e380 1937 /* 176 reserved for Symbol */
b188148c 1938 WLAN_EID_QUIET_PERIOD_RESP = 177,
8c78e380
JB
1939 /* 178-179 reserved for Symbol */
1940 /* 180 reserved for ISO/IEC 20011 */
b188148c
VK
1941 WLAN_EID_EPAC_POLICY = 182,
1942 WLAN_EID_CLISTER_TIME_OFF = 183,
8c78e380
JB
1943 WLAN_EID_INTER_AC_PRIO = 184,
1944 WLAN_EID_SCS_DESCRIPTOR = 185,
1945 WLAN_EID_QLOAD_REPORT = 186,
1946 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1947 WLAN_EID_HL_STREAM_ID = 188,
1948 WLAN_EID_GCR_GROUP_ADDR = 189,
b188148c 1949 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
8c78e380
JB
1950 WLAN_EID_VHT_CAPABILITY = 191,
1951 WLAN_EID_VHT_OPERATION = 192,
1952 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1953 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1954 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1955 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1956 WLAN_EID_AID = 197,
1957 WLAN_EID_QUIET_CHANNEL = 198,
1958 WLAN_EID_OPMODE_NOTIF = 199,
1959
1960 WLAN_EID_VENDOR_SPECIFIC = 221,
1961 WLAN_EID_QOS_PARAMETER = 222,
a9de8ce0
JB
1962};
1963
6b4e3241
RR
1964/* Action category code */
1965enum ieee80211_category {
1966 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1967 WLAN_CATEGORY_QOS = 1,
1968 WLAN_CATEGORY_DLS = 2,
1969 WLAN_CATEGORY_BACK = 3,
fb733336 1970 WLAN_CATEGORY_PUBLIC = 4,
170fd0b1 1971 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
528769cf 1972 WLAN_CATEGORY_HT = 7,
fea14732 1973 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1974 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
af614261
JB
1975 WLAN_CATEGORY_WNM = 10,
1976 WLAN_CATEGORY_WNM_UNPROTECTED = 11,
dfe018bf 1977 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S
1978 WLAN_CATEGORY_MESH_ACTION = 13,
1979 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1980 WLAN_CATEGORY_SELF_PROTECTED = 15,
b188148c 1981 WLAN_CATEGORY_DMG = 16,
6b4e3241 1982 WLAN_CATEGORY_WMM = 17,
b188148c
VK
1983 WLAN_CATEGORY_FST = 18,
1984 WLAN_CATEGORY_UNPROT_DMG = 20,
7bf9b9a0 1985 WLAN_CATEGORY_VHT = 21,
528769cf
JM
1986 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1987 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR
1988};
1989
f2df3859
AK
1990/* SPECTRUM_MGMT action code */
1991enum ieee80211_spectrum_mgmt_actioncode {
1992 WLAN_ACTION_SPCT_MSR_REQ = 0,
1993 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1994 WLAN_ACTION_SPCT_TPC_REQ = 2,
1995 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1996 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1997};
1998
0f78231b
JB
1999/* HT action codes */
2000enum ieee80211_ht_actioncode {
2001 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
2002 WLAN_HT_ACTION_SMPS = 1,
2003 WLAN_HT_ACTION_PSMP = 2,
2004 WLAN_HT_ACTION_PCO_PHASE = 3,
2005 WLAN_HT_ACTION_CSI = 4,
2006 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
2007 WLAN_HT_ACTION_COMPRESSED_BF = 6,
2008 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
2009};
2010
7bf9b9a0
JB
2011/* VHT action codes */
2012enum ieee80211_vht_actioncode {
2013 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
2014 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
2015 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
2016};
2017
6709a6d9
TP
2018/* Self Protected Action codes */
2019enum ieee80211_self_protected_actioncode {
2020 WLAN_SP_RESERVED = 0,
2021 WLAN_SP_MESH_PEERING_OPEN = 1,
2022 WLAN_SP_MESH_PEERING_CONFIRM = 2,
2023 WLAN_SP_MESH_PEERING_CLOSE = 3,
2024 WLAN_SP_MGK_INFORM = 4,
2025 WLAN_SP_MGK_ACK = 5,
2026};
2027
36c704fd
TP
2028/* Mesh action codes */
2029enum ieee80211_mesh_actioncode {
2030 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
2031 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
2032 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
2033 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
2034 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
2035 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
2036 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
2037 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
2038 WLAN_MESH_ACTION_MCCA_TEARDOWN,
2039 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
2040 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
2041};
2042
e31a16d6
ZY
2043/* Security key length */
2044enum ieee80211_key_len {
2045 WLAN_KEY_LEN_WEP40 = 5,
2046 WLAN_KEY_LEN_WEP104 = 13,
2047 WLAN_KEY_LEN_CCMP = 16,
cfcf1682 2048 WLAN_KEY_LEN_CCMP_256 = 32,
e31a16d6 2049 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 2050 WLAN_KEY_LEN_AES_CMAC = 16,
28cb1749 2051 WLAN_KEY_LEN_SMS4 = 32,
cfcf1682
JM
2052 WLAN_KEY_LEN_GCMP = 16,
2053 WLAN_KEY_LEN_GCMP_256 = 32,
2054 WLAN_KEY_LEN_BIP_CMAC_256 = 32,
2055 WLAN_KEY_LEN_BIP_GMAC_128 = 16,
2056 WLAN_KEY_LEN_BIP_GMAC_256 = 32,
e31a16d6
ZY
2057};
2058
4325f6ca
JB
2059#define IEEE80211_WEP_IV_LEN 4
2060#define IEEE80211_WEP_ICV_LEN 4
2061#define IEEE80211_CCMP_HDR_LEN 8
2062#define IEEE80211_CCMP_MIC_LEN 8
2063#define IEEE80211_CCMP_PN_LEN 6
cfcf1682
JM
2064#define IEEE80211_CCMP_256_HDR_LEN 8
2065#define IEEE80211_CCMP_256_MIC_LEN 16
2066#define IEEE80211_CCMP_256_PN_LEN 6
4325f6ca
JB
2067#define IEEE80211_TKIP_IV_LEN 8
2068#define IEEE80211_TKIP_ICV_LEN 4
2069#define IEEE80211_CMAC_PN_LEN 6
cfcf1682
JM
2070#define IEEE80211_GMAC_PN_LEN 6
2071#define IEEE80211_GCMP_HDR_LEN 8
2072#define IEEE80211_GCMP_MIC_LEN 16
2073#define IEEE80211_GCMP_PN_LEN 6
4325f6ca 2074
dfe018bf
AN
2075/* Public action codes */
2076enum ieee80211_pub_actioncode {
1b3a2e49 2077 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
dfe018bf
AN
2078 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2079};
2080
2081/* TDLS action codes */
2082enum ieee80211_tdls_actioncode {
2083 WLAN_TDLS_SETUP_REQUEST = 0,
2084 WLAN_TDLS_SETUP_RESPONSE = 1,
2085 WLAN_TDLS_SETUP_CONFIRM = 2,
2086 WLAN_TDLS_TEARDOWN = 3,
2087 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2088 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2089 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2090 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2091 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2092 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2093 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2094};
2095
e9a21949
LC
2096/* Extended Channel Switching capability to be set in the 1st byte of
2097 * the @WLAN_EID_EXT_CAPABILITY information element
2098 */
2099#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2100
78632a17
AN
2101/* TDLS capabilities in the the 4th byte of @WLAN_EID_EXT_CAPABILITY */
2102#define WLAN_EXT_CAPA4_TDLS_BUFFER_STA BIT(4)
2103#define WLAN_EXT_CAPA4_TDLS_PEER_PSM BIT(5)
2104#define WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH BIT(6)
2105
dcb7a6ce
AP
2106/* Interworking capabilities are set in 7th bit of 4th byte of the
2107 * @WLAN_EID_EXT_CAPABILITY information element
2108 */
2109#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2110
dfe018bf
AN
2111/*
2112 * TDLS capabililites to be enabled in the 5th byte of the
2113 * @WLAN_EID_EXT_CAPABILITY information element
2114 */
2115#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2116#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
78632a17 2117#define WLAN_EXT_CAPA5_TDLS_CH_SW_PROHIBITED BIT(7)
dfe018bf 2118
8f9c98df 2119#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(5)
c6f9d6c3
JB
2120#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2121
506bcfa8
EG
2122/* Defines the maximal number of MSDUs in an A-MSDU. */
2123#define WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB BIT(7)
2124#define WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB BIT(0)
2125
2126/*
2127 * Fine Timing Measurement Initiator - bit 71 of @WLAN_EID_EXT_CAPABILITY
2128 * information element
2129 */
2130#define WLAN_EXT_CAPA9_FTM_INITIATOR BIT(7)
2131
dfe018bf
AN
2132/* TDLS specific payload type in the LLC/SNAP header */
2133#define WLAN_TDLS_SNAP_RFTYPE 0x2
2134
2cedd879
AN
2135/* BSS Coex IE information field bits */
2136#define WLAN_BSS_COEX_INFORMATION_REQUEST BIT(0)
2137
dbf498fb
JC
2138/**
2139 * enum - mesh synchronization method identifier
2140 *
2141 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2142 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
a4f606ea 2143 * that will be specified in a vendor specific information element
dbf498fb
JC
2144 */
2145enum {
2146 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2147 IEEE80211_SYNC_METHOD_VENDOR = 255,
2148};
2149
c80d545d
JC
2150/**
2151 * enum - mesh path selection protocol identifier
2152 *
2153 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2154 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
a4f606ea 2155 * be specified in a vendor specific information element
c80d545d
JC
2156 */
2157enum {
dcca1cfc 2158 IEEE80211_PATH_PROTOCOL_HWMP = 1,
c80d545d
JC
2159 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2160};
2161
2162/**
2163 * enum - mesh path selection metric identifier
2164 *
2165 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2166 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
a4f606ea 2167 * specified in a vendor specific information element
c80d545d
JC
2168 */
2169enum {
dcca1cfc 2170 IEEE80211_PATH_METRIC_AIRTIME = 1,
c80d545d
JC
2171 IEEE80211_PATH_METRIC_VENDOR = 255,
2172};
2173
a69cc44f
CYY
2174/**
2175 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2176 *
2177 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2178 *
2179 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2180 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2181 * this value
2182 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2183 * the proactive PREQ with proactive PREP subfield set to 0
2184 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2185 * supports the proactive PREQ with proactive PREP subfield set to 1
2186 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2187 * the proactive RANN
2188 */
2189enum ieee80211_root_mode_identifier {
2190 IEEE80211_ROOTMODE_NO_ROOT = 0,
2191 IEEE80211_ROOTMODE_ROOT = 1,
2192 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2193 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2194 IEEE80211_PROACTIVE_RANN = 4,
2195};
c80d545d 2196
3f2355cb
LR
2197/*
2198 * IEEE 802.11-2007 7.3.2.9 Country information element
2199 *
2200 * Minimum length is 8 octets, ie len must be evenly
2201 * divisible by 2
2202 */
2203
2204/* Although the spec says 8 I'm seeing 6 in practice */
2205#define IEEE80211_COUNTRY_IE_MIN_LEN 6
2206
80751e2b
BZ
2207/* The Country String field of the element shall be 3 octets in length */
2208#define IEEE80211_COUNTRY_STRING_LEN 3
2209
3f2355cb
LR
2210/*
2211 * For regulatory extension stuff see IEEE 802.11-2007
2212 * Annex I (page 1141) and Annex J (page 1147). Also
2213 * review 7.3.2.9.
2214 *
2215 * When dot11RegulatoryClassesRequired is true and the
2216 * first_channel/reg_extension_id is >= 201 then the IE
2217 * compromises of the 'ext' struct represented below:
2218 *
2219 * - Regulatory extension ID - when generating IE this just needs
2220 * to be monotonically increasing for each triplet passed in
2221 * the IE
2222 * - Regulatory class - index into set of rules
2223 * - Coverage class - index into air propagation time (Table 7-27),
2224 * in microseconds, you can compute the air propagation time from
2225 * the index by multiplying by 3, so index 10 yields a propagation
2226 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2227 * yet. A value of 0 inicates air propagation of <= 1 us.
2228 *
2229 * See also Table I.2 for Emission limit sets and table
2230 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2231 * a reg_class to an emission limit set and behavior limit set.
2232 */
2233#define IEEE80211_COUNTRY_EXTENSION_ID 201
2234
2235/*
2236 * Channels numbers in the IE must be monotonically increasing
2237 * if dot11RegulatoryClassesRequired is not true.
2238 *
2239 * If dot11RegulatoryClassesRequired is true consecutive
2240 * subband triplets following a regulatory triplet shall
2241 * have monotonically increasing first_channel number fields.
2242 *
2243 * Channel numbers shall not overlap.
2244 *
2245 * Note that max_power is signed.
2246 */
2247struct ieee80211_country_ie_triplet {
2248 union {
2249 struct {
2250 u8 first_channel;
2251 u8 num_channels;
2252 s8 max_power;
598a5938 2253 } __packed chans;
3f2355cb
LR
2254 struct {
2255 u8 reg_extension_id;
2256 u8 reg_class;
2257 u8 coverage_class;
598a5938 2258 } __packed ext;
3f2355cb 2259 };
598a5938 2260} __packed;
3f2355cb 2261
f797eb7e
JM
2262enum ieee80211_timeout_interval_type {
2263 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2264 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2265 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2266};
2267
79ba1d89
JB
2268/**
2269 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2270 * @type: type, see &enum ieee80211_timeout_interval_type
2271 * @value: timeout interval value
2272 */
2273struct ieee80211_timeout_interval_ie {
2274 u8 type;
2275 __le32 value;
2276} __packed;
2277
6b4e3241
RR
2278/* BACK action code */
2279enum ieee80211_back_actioncode {
2280 WLAN_ACTION_ADDBA_REQ = 0,
2281 WLAN_ACTION_ADDBA_RESP = 1,
2282 WLAN_ACTION_DELBA = 2,
2283};
2284
07db2183
RR
2285/* BACK (block-ack) parties */
2286enum ieee80211_back_parties {
2287 WLAN_BACK_RECIPIENT = 0,
2288 WLAN_BACK_INITIATOR = 1,
07db2183
RR
2289};
2290
fea14732
JM
2291/* SA Query action */
2292enum ieee80211_sa_query_action {
2293 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2294 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2295};
2296
2297
a9de8ce0
JB
2298/* cipher suite selectors */
2299#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2300#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2301#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2302/* reserved: 0x000FAC03 */
2303#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2304#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 2305#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
b188148c 2306#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
cfcf1682
JM
2307#define WLAN_CIPHER_SUITE_GCMP_256 0x000FAC09
2308#define WLAN_CIPHER_SUITE_CCMP_256 0x000FAC0A
2309#define WLAN_CIPHER_SUITE_BIP_GMAC_128 0x000FAC0B
2310#define WLAN_CIPHER_SUITE_BIP_GMAC_256 0x000FAC0C
2311#define WLAN_CIPHER_SUITE_BIP_CMAC_256 0x000FAC0D
a9de8ce0 2312
c2e889a7
JM
2313#define WLAN_CIPHER_SUITE_SMS4 0x00147201
2314
6a669e65
JB
2315/* AKM suite selectors */
2316#define WLAN_AKM_SUITE_8021X 0x000FAC01
2317#define WLAN_AKM_SUITE_PSK 0x000FAC02
d437c86b
BZ
2318#define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2319#define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2320#define WLAN_AKM_SUITE_TDLS 0x000FAC07
2321#define WLAN_AKM_SUITE_SAE 0x000FAC08
cfdfa4d3 2322#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 2323
a9de8ce0
JB
2324#define WLAN_MAX_KEY_LEN 32
2325
67fbb16b
SO
2326#define WLAN_PMKID_LEN 16
2327
0c28ec58
EP
2328#define WLAN_OUI_WFA 0x506f9a
2329#define WLAN_OUI_TYPE_WFA_P2P 9
535588e6
AP
2330#define WLAN_OUI_MICROSOFT 0x0050f2
2331#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
c2ebea20
AP
2332#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2333#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
0c28ec58 2334
856799d5
KV
2335/*
2336 * WMM/802.11e Tspec Element
2337 */
2338#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2339#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2340
2341enum ieee80211_tspec_status_code {
2342 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2343 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2344};
2345
2346struct ieee80211_tspec_ie {
2347 u8 element_id;
2348 u8 len;
2349 u8 oui[3];
2350 u8 oui_type;
2351 u8 oui_subtype;
2352 u8 version;
2353 __le16 tsinfo;
2354 u8 tsinfo_resvd;
2355 __le16 nominal_msdu;
2356 __le16 max_msdu;
2357 __le32 min_service_int;
2358 __le32 max_service_int;
2359 __le32 inactivity_int;
2360 __le32 suspension_int;
2361 __le32 service_start_time;
2362 __le32 min_data_rate;
2363 __le32 mean_data_rate;
2364 __le32 peak_data_rate;
2365 __le32 max_burst_size;
2366 __le32 delay_bound;
2367 __le32 min_phy_rate;
2368 __le16 sba;
2369 __le16 medium_time;
2370} __packed;
2371
fd7c8a40
HH
2372/**
2373 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2374 * @hdr: the frame
2375 *
2376 * The qos ctrl bytes come after the frame_control, duration, seq_num
2377 * and 3 or 4 addresses of length ETH_ALEN.
2378 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2379 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2380 */
2381static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2382{
2383 if (ieee80211_has_a4(hdr->frame_control))
2384 return (u8 *)hdr + 30;
2385 else
2386 return (u8 *)hdr + 24;
2387}
2388
f97df02e
JB
2389/**
2390 * ieee80211_get_SA - get pointer to SA
fd7c8a40 2391 * @hdr: the frame
f97df02e
JB
2392 *
2393 * Given an 802.11 frame, this function returns the offset
2394 * to the source address (SA). It does not verify that the
2395 * header is long enough to contain the address, and the
2396 * header must be long enough to contain the frame control
2397 * field.
f97df02e
JB
2398 */
2399static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2400{
fd7c8a40 2401 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 2402 return hdr->addr4;
fd7c8a40
HH
2403 if (ieee80211_has_fromds(hdr->frame_control))
2404 return hdr->addr3;
2405 return hdr->addr2;
f97df02e
JB
2406}
2407
2408/**
2409 * ieee80211_get_DA - get pointer to DA
fd7c8a40 2410 * @hdr: the frame
f97df02e
JB
2411 *
2412 * Given an 802.11 frame, this function returns the offset
2413 * to the destination address (DA). It does not verify that
2414 * the header is long enough to contain the address, and the
2415 * header must be long enough to contain the frame control
2416 * field.
f97df02e
JB
2417 */
2418static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2419{
fd7c8a40 2420 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 2421 return hdr->addr3;
5a433b3a
HH
2422 else
2423 return hdr->addr1;
f97df02e
JB
2424}
2425
fb733336 2426/**
d8ca16db 2427 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
fb733336
JM
2428 * @hdr: the frame (buffer must include at least the first octet of payload)
2429 */
d8ca16db 2430static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
fb733336
JM
2431{
2432 if (ieee80211_is_disassoc(hdr->frame_control) ||
2433 ieee80211_is_deauth(hdr->frame_control))
2434 return true;
2435
2436 if (ieee80211_is_action(hdr->frame_control)) {
2437 u8 *category;
2438
2439 /*
2440 * Action frames, excluding Public Action frames, are Robust
2441 * Management Frames. However, if we are looking at a Protected
2442 * frame, skip the check since the data may be encrypted and
2443 * the frame has already been found to be a Robust Management
2444 * Frame (by the other end).
2445 */
2446 if (ieee80211_has_protected(hdr->frame_control))
2447 return true;
2448 category = ((u8 *) hdr) + 24;
528769cf
JM
2449 return *category != WLAN_CATEGORY_PUBLIC &&
2450 *category != WLAN_CATEGORY_HT &&
af614261 2451 *category != WLAN_CATEGORY_WNM_UNPROTECTED &&
8f9cb77d 2452 *category != WLAN_CATEGORY_SELF_PROTECTED &&
a4288289
JB
2453 *category != WLAN_CATEGORY_UNPROT_DMG &&
2454 *category != WLAN_CATEGORY_VHT &&
528769cf 2455 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM
2456 }
2457
2458 return false;
2459}
2460
d8ca16db
JB
2461/**
2462 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2463 * @skb: the skb containing the frame, length will be checked
2464 */
2465static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2466{
2467 if (skb->len < 25)
2468 return false;
2469 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2470}
2471
3df6eaea
JB
2472/**
2473 * ieee80211_is_public_action - check if frame is a public action frame
2474 * @hdr: the frame
2475 * @len: length of the frame
2476 */
2477static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2478 size_t len)
2479{
2480 struct ieee80211_mgmt *mgmt = (void *)hdr;
2481
2482 if (len < IEEE80211_MIN_ACTION_SIZE)
2483 return false;
2484 if (!ieee80211_is_action(hdr->frame_control))
2485 return false;
2486 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2487}
2488
10f644a4
JB
2489/**
2490 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2491 * @tu: the TUs
2492 */
2493static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2494{
2495 return 1024 * tu;
2496}
2497
e7ec86f5
JB
2498/**
2499 * ieee80211_check_tim - check if AID bit is set in TIM
2500 * @tim: the TIM IE
2501 * @tim_len: length of the TIM IE
2502 * @aid: the AID to look for
2503 */
4a3cb702 2504static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
e7ec86f5
JB
2505 u8 tim_len, u16 aid)
2506{
2507 u8 mask;
2508 u8 index, indexn1, indexn2;
2509
2510 if (unlikely(!tim || tim_len < sizeof(*tim)))
2511 return false;
2512
2513 aid &= 0x3fff;
2514 index = aid / 8;
2515 mask = 1 << (aid & 7);
2516
2517 indexn1 = tim->bitmap_ctrl & 0xfe;
2518 indexn2 = tim_len + indexn1 - 4;
2519
2520 if (index < indexn1 || index > indexn2)
2521 return false;
2522
2523 index -= indexn1;
2524
2525 return !!(tim->virtual_map[index] & mask);
2526}
2527
1277b4a9
LK
2528/**
2529 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2530 * @skb: the skb containing the frame, length will not be checked
2531 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2532 *
2533 * This function assumes the frame is a data frame, and that the network header
2534 * is in the correct place.
2535 */
2536static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2537{
2538 if (!skb_is_nonlinear(skb) &&
2539 skb->len > (skb_network_offset(skb) + 2)) {
2540 /* Point to where the indication of TDLS should start */
2541 const u8 *tdls_data = skb_network_header(skb) - 2;
2542
2543 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2544 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2545 tdls_data[3] == WLAN_CATEGORY_TDLS)
2546 return tdls_data[4];
2547 }
2548
2549 return -1;
2550}
2551
e7f1935c
JB
2552/* convert time units */
2553#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2554#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2555
170fd0b1
AO
2556/**
2557 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2558 * @skb: the skb containing the frame, length will be checked
2559 *
2560 * This function checks if it's either TPC report action frame or Link
2561 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2562 * and 8.5.7.5 accordingly.
2563 */
2564static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2565{
2566 struct ieee80211_mgmt *mgmt = (void *)skb->data;
2567
2568 if (!ieee80211_is_action(mgmt->frame_control))
2569 return false;
2570
2571 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2572 sizeof(mgmt->u.action.u.tpc_report))
2573 return false;
2574
2575 /*
2576 * TPC report - check that:
2577 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2578 * spectrum management action = 3 (TPC/Link Measurement report)
2579 * TPC report EID = 35
2580 * TPC report element length = 2
2581 *
2582 * The spectrum management's tpc_report struct is used here both for
2583 * parsing tpc_report and radio measurement's link measurement report
2584 * frame, since the relevant part is identical in both frames.
2585 */
2586 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2587 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2588 return false;
2589
2590 /* both spectrum mgmt and link measurement have same action code */
2591 if (mgmt->u.action.u.tpc_report.action_code !=
2592 WLAN_ACTION_SPCT_TPC_RPRT)
2593 return false;
2594
2595 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2596 mgmt->u.action.u.tpc_report.tpc_elem_length !=
2597 sizeof(struct ieee80211_tpc_report_ie))
2598 return false;
2599
2600 return true;
2601}
2602
9387b7ca 2603#endif /* LINUX_IEEE80211_H */