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mac80211: add supported channels IE during TDLS setup
[deliverable/linux.git] / include / linux / ieee80211.h
CommitLineData
a9de8ce0
JB		 1/*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
2740f0cf 9 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
a9de8ce0
JB		 10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
9387b7ca
JL		 16#ifndef LINUX_IEEE80211_H
17#define LINUX_IEEE80211_H
a9de8ce0
JB		 18
19#include <linux/types.h>
574e2af7 20#include <linux/if_ether.h>
f97df02e 21#include <asm/byteorder.h>
1277b4a9 22#include <asm/unaligned.h>
a9de8ce0 23
3f46b29c
JB		 24/*
25 * DS bit usage
26 *
27 * TA = transmitter address
28 * RA = receiver address
29 * DA = destination address
30 * SA = source address
31 *
32 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
33 * -----------------------------------------------------------------
34 * 0 0 DA SA BSSID - IBSS/DLS
35 * 0 1 DA BSSID SA - AP -> STA
36 * 1 0 BSSID SA DA - AP <- STA
37 * 1 1 RA TA DA SA unspecified (WDS)
38 */
39
a9de8ce0
JB		 40#define FCS_LEN 4
41
42#define IEEE80211_FCTL_VERS 0x0003
43#define IEEE80211_FCTL_FTYPE 0x000c
44#define IEEE80211_FCTL_STYPE 0x00f0
45#define IEEE80211_FCTL_TODS 0x0100
46#define IEEE80211_FCTL_FROMDS 0x0200
47#define IEEE80211_FCTL_MOREFRAGS 0x0400
48#define IEEE80211_FCTL_RETRY 0x0800
49#define IEEE80211_FCTL_PM 0x1000
50#define IEEE80211_FCTL_MOREDATA 0x2000
51#define IEEE80211_FCTL_PROTECTED 0x4000
52#define IEEE80211_FCTL_ORDER 0x8000
b188148c 53#define IEEE80211_FCTL_CTL_EXT 0x0f00
a9de8ce0
JB		 54
55#define IEEE80211_SCTL_FRAG 0x000F
56#define IEEE80211_SCTL_SEQ 0xFFF0
57
58#define IEEE80211_FTYPE_MGMT 0x0000
59#define IEEE80211_FTYPE_CTL 0x0004
60#define IEEE80211_FTYPE_DATA 0x0008
b188148c 61#define IEEE80211_FTYPE_EXT 0x000c
a9de8ce0
JB		 62
63/* management */
64#define IEEE80211_STYPE_ASSOC_REQ 0x0000
65#define IEEE80211_STYPE_ASSOC_RESP 0x0010
66#define IEEE80211_STYPE_REASSOC_REQ 0x0020
67#define IEEE80211_STYPE_REASSOC_RESP 0x0030
68#define IEEE80211_STYPE_PROBE_REQ 0x0040
69#define IEEE80211_STYPE_PROBE_RESP 0x0050
70#define IEEE80211_STYPE_BEACON 0x0080
71#define IEEE80211_STYPE_ATIM 0x0090
72#define IEEE80211_STYPE_DISASSOC 0x00A0
73#define IEEE80211_STYPE_AUTH 0x00B0
74#define IEEE80211_STYPE_DEAUTH 0x00C0
75#define IEEE80211_STYPE_ACTION 0x00D0
76
77/* control */
b188148c 78#define IEEE80211_STYPE_CTL_EXT 0x0060
6b4e3241
RR		 79#define IEEE80211_STYPE_BACK_REQ 0x0080
80#define IEEE80211_STYPE_BACK 0x0090
a9de8ce0
JB		 81#define IEEE80211_STYPE_PSPOLL 0x00A0
82#define IEEE80211_STYPE_RTS 0x00B0
83#define IEEE80211_STYPE_CTS 0x00C0
84#define IEEE80211_STYPE_ACK 0x00D0
85#define IEEE80211_STYPE_CFEND 0x00E0
86#define IEEE80211_STYPE_CFENDACK 0x00F0
87
88/* data */
89#define IEEE80211_STYPE_DATA 0x0000
90#define IEEE80211_STYPE_DATA_CFACK 0x0010
91#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
92#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
93#define IEEE80211_STYPE_NULLFUNC 0x0040
94#define IEEE80211_STYPE_CFACK 0x0050
95#define IEEE80211_STYPE_CFPOLL 0x0060
96#define IEEE80211_STYPE_CFACKPOLL 0x0070
97#define IEEE80211_STYPE_QOS_DATA 0x0080
98#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
99#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
100#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
101#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
102#define IEEE80211_STYPE_QOS_CFACK 0x00D0
103#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
104#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
105
b188148c
VK		 106/* extension, added by 802.11ad */
107#define IEEE80211_STYPE_DMG_BEACON 0x0000
108
109/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
110#define IEEE80211_CTL_EXT_POLL 0x2000
111#define IEEE80211_CTL_EXT_SPR 0x3000
112#define IEEE80211_CTL_EXT_GRANT 0x4000
113#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
114#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
115#define IEEE80211_CTL_EXT_SSW 0x8000
116#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
117#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
a9de8ce0 118
9a886586
JB		 119
120#define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
121#define IEEE80211_MAX_SN IEEE80211_SN_MASK
122#define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
123
124static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
125{
126 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
127}
128
129static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
130{
131 return (sn1 + sn2) & IEEE80211_SN_MASK;
132}
133
134static inline u16 ieee80211_sn_inc(u16 sn)
135{
136 return ieee80211_sn_add(sn, 1);
137}
138
139static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
140{
141 return (sn1 - sn2) & IEEE80211_SN_MASK;
142}
143
144#define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
145#define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
146
a9de8ce0 147/* miscellaneous IEEE 802.11 constants */
c237899d
MW		 148#define IEEE80211_MAX_FRAG_THRESHOLD 2352
149#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0
JB		 150#define IEEE80211_MAX_AID 2007
151#define IEEE80211_MAX_TIM_LEN 251
e05ecccd 152#define IEEE80211_MAX_MESH_PEERINGS 63
a9de8ce0
JB		 153/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
154 6.2.1.1.2.
155
c237899d
MW		 156 802.11e clarifies the figure in section 7.1.2. The frame body is
157 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
158#define IEEE80211_MAX_DATA_LEN 2304
aa475b0e
VK		 159/* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
160 * to 7920 bytes, see 8.2.3 General frame format
161 */
162#define IEEE80211_MAX_DATA_LEN_DMG 7920
c237899d
MW		 163/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
164#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0
JB		 165
166#define IEEE80211_MAX_SSID_LEN 32
1239cd58 167
37c57989 168#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 169
960d01ac 170#define IEEE80211_FIRST_TSPEC_TSID 8
5a306f58
JB		 171#define IEEE80211_NUM_TIDS 16
172
960d01ac
JB		 173/* number of user priorities 802.11 uses */
174#define IEEE80211_NUM_UPS 8
175
fd7c8a40 176#define IEEE80211_QOS_CTL_LEN 2
04b7dcf9
JB		 177/* 1d tag mask */
178#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
179/* TID mask */
180#define IEEE80211_QOS_CTL_TID_MASK 0x000f
181/* EOSP */
182#define IEEE80211_QOS_CTL_EOSP 0x0010
183/* ACK policy */
184#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
185#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
186#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
187#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
6cc00d54 188#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
04b7dcf9
JB		 189/* A-MSDU 802.11n */
190#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
2154c81c
JC		 191/* Mesh Control 802.11s */
192#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 193
3f52b7e3
MP		 194/* Mesh Power Save Level */
195#define IEEE80211_QOS_CTL_MESH_PS_LEVEL 0x0200
196/* Mesh Receiver Service Period Initiated */
197#define IEEE80211_QOS_CTL_RSPI 0x0400
198
ab13315a
KV		 199/* U-APSD queue for WMM IEs sent by AP */
200#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 201#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 202
203/* U-APSD queues for WMM IEs sent by STA */
204#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
205#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
206#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
207#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
208#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
209
210/* U-APSD max SP length for WMM IEs sent by STA */
211#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
212#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
213#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
214#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
215#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
216#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
217
d0dd2de0
AT		 218#define IEEE80211_HT_CTL_LEN 4
219
a9de8ce0
JB		 220struct ieee80211_hdr {
221 __le16 frame_control;
222 __le16 duration_id;
574e2af7
JP		 223 u8 addr1[ETH_ALEN];
224 u8 addr2[ETH_ALEN];
225 u8 addr3[ETH_ALEN];
a9de8ce0 226 __le16 seq_ctrl;
574e2af7 227 u8 addr4[ETH_ALEN];
b8a31c9a 228} __packed __aligned(2);
a9de8ce0 229
7044cc56
KV		 230struct ieee80211_hdr_3addr {
231 __le16 frame_control;
232 __le16 duration_id;
574e2af7
JP		 233 u8 addr1[ETH_ALEN];
234 u8 addr2[ETH_ALEN];
235 u8 addr3[ETH_ALEN];
7044cc56 236 __le16 seq_ctrl;
b8a31c9a 237} __packed __aligned(2);
7044cc56 238
558a6669
KV		 239struct ieee80211_qos_hdr {
240 __le16 frame_control;
241 __le16 duration_id;
574e2af7
JP		 242 u8 addr1[ETH_ALEN];
243 u8 addr2[ETH_ALEN];
244 u8 addr3[ETH_ALEN];
558a6669
KV		 245 __le16 seq_ctrl;
246 __le16 qos_ctrl;
b8a31c9a 247} __packed __aligned(2);
558a6669 248
fd7c8a40
HH		 249/**
250 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
251 * @fc: frame control bytes in little-endian byteorder
252 */
253static inline int ieee80211_has_tods(__le16 fc)
254{
255 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
256}
257
258/**
259 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
260 * @fc: frame control bytes in little-endian byteorder
261 */
262static inline int ieee80211_has_fromds(__le16 fc)
263{
264 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
265}
266
267/**
268 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
269 * @fc: frame control bytes in little-endian byteorder
270 */
271static inline int ieee80211_has_a4(__le16 fc)
272{
273 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
274 return (fc & tmp) == tmp;
275}
276
277/**
278 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
279 * @fc: frame control bytes in little-endian byteorder
280 */
281static inline int ieee80211_has_morefrags(__le16 fc)
282{
283 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
284}
285
286/**
287 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
288 * @fc: frame control bytes in little-endian byteorder
289 */
290static inline int ieee80211_has_retry(__le16 fc)
291{
292 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
293}
294
295/**
296 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
297 * @fc: frame control bytes in little-endian byteorder
298 */
299static inline int ieee80211_has_pm(__le16 fc)
300{
301 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
302}
303
304/**
305 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
306 * @fc: frame control bytes in little-endian byteorder
307 */
308static inline int ieee80211_has_moredata(__le16 fc)
309{
310 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
311}
312
313/**
314 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
315 * @fc: frame control bytes in little-endian byteorder
316 */
317static inline int ieee80211_has_protected(__le16 fc)
318{
319 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
320}
321
322/**
323 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
324 * @fc: frame control bytes in little-endian byteorder
325 */
326static inline int ieee80211_has_order(__le16 fc)
327{
328 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
329}
330
331/**
332 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
333 * @fc: frame control bytes in little-endian byteorder
334 */
335static inline int ieee80211_is_mgmt(__le16 fc)
336{
337 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
338 cpu_to_le16(IEEE80211_FTYPE_MGMT);
339}
340
341/**
342 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
343 * @fc: frame control bytes in little-endian byteorder
344 */
345static inline int ieee80211_is_ctl(__le16 fc)
346{
347 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
348 cpu_to_le16(IEEE80211_FTYPE_CTL);
349}
350
351/**
352 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
353 * @fc: frame control bytes in little-endian byteorder
354 */
355static inline int ieee80211_is_data(__le16 fc)
356{
357 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
358 cpu_to_le16(IEEE80211_FTYPE_DATA);
359}
360
361/**
362 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
363 * @fc: frame control bytes in little-endian byteorder
364 */
365static inline int ieee80211_is_data_qos(__le16 fc)
366{
367 /*
368 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
369 * to check the one bit
370 */
371 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
372 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
373}
374
375/**
376 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
377 * @fc: frame control bytes in little-endian byteorder
378 */
379static inline int ieee80211_is_data_present(__le16 fc)
380{
381 /*
382 * mask with 0x40 and test that that bit is clear to only return true
383 * for the data-containing substypes.
384 */
385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
386 cpu_to_le16(IEEE80211_FTYPE_DATA);
387}
388
389/**
390 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
391 * @fc: frame control bytes in little-endian byteorder
392 */
393static inline int ieee80211_is_assoc_req(__le16 fc)
394{
395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
397}
398
399/**
400 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
401 * @fc: frame control bytes in little-endian byteorder
402 */
403static inline int ieee80211_is_assoc_resp(__le16 fc)
404{
405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
407}
408
409/**
410 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
411 * @fc: frame control bytes in little-endian byteorder
412 */
413static inline int ieee80211_is_reassoc_req(__le16 fc)
414{
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
417}
418
419/**
420 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
421 * @fc: frame control bytes in little-endian byteorder
422 */
423static inline int ieee80211_is_reassoc_resp(__le16 fc)
424{
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
427}
428
429/**
430 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
431 * @fc: frame control bytes in little-endian byteorder
432 */
433static inline int ieee80211_is_probe_req(__le16 fc)
434{
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
437}
438
439/**
440 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
441 * @fc: frame control bytes in little-endian byteorder
442 */
443static inline int ieee80211_is_probe_resp(__le16 fc)
444{
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
447}
448
449/**
450 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
451 * @fc: frame control bytes in little-endian byteorder
452 */
453static inline int ieee80211_is_beacon(__le16 fc)
454{
455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
456 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
457}
458
459/**
460 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
461 * @fc: frame control bytes in little-endian byteorder
462 */
463static inline int ieee80211_is_atim(__le16 fc)
464{
465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
466 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
467}
468
469/**
470 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
471 * @fc: frame control bytes in little-endian byteorder
472 */
473static inline int ieee80211_is_disassoc(__le16 fc)
474{
475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
476 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
477}
478
479/**
480 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
481 * @fc: frame control bytes in little-endian byteorder
482 */
483static inline int ieee80211_is_auth(__le16 fc)
484{
485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
486 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
487}
488
489/**
490 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
491 * @fc: frame control bytes in little-endian byteorder
492 */
493static inline int ieee80211_is_deauth(__le16 fc)
494{
495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
496 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
497}
498
499/**
500 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
501 * @fc: frame control bytes in little-endian byteorder
502 */
503static inline int ieee80211_is_action(__le16 fc)
504{
505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
506 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
507}
508
509/**
510 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
511 * @fc: frame control bytes in little-endian byteorder
512 */
513static inline int ieee80211_is_back_req(__le16 fc)
514{
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
516 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
517}
518
519/**
520 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
521 * @fc: frame control bytes in little-endian byteorder
522 */
523static inline int ieee80211_is_back(__le16 fc)
524{
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
527}
528
529/**
530 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
531 * @fc: frame control bytes in little-endian byteorder
532 */
533static inline int ieee80211_is_pspoll(__le16 fc)
534{
535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
536 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
537}
538
539/**
540 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
541 * @fc: frame control bytes in little-endian byteorder
542 */
543static inline int ieee80211_is_rts(__le16 fc)
544{
545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
546 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
547}
548
549/**
550 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
551 * @fc: frame control bytes in little-endian byteorder
552 */
553static inline int ieee80211_is_cts(__le16 fc)
554{
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
557}
558
559/**
560 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
561 * @fc: frame control bytes in little-endian byteorder
562 */
563static inline int ieee80211_is_ack(__le16 fc)
564{
565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
566 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
567}
568
569/**
570 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
571 * @fc: frame control bytes in little-endian byteorder
572 */
573static inline int ieee80211_is_cfend(__le16 fc)
574{
575 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
576 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
577}
578
579/**
580 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
581 * @fc: frame control bytes in little-endian byteorder
582 */
583static inline int ieee80211_is_cfendack(__le16 fc)
584{
585 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
586 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
587}
588
589/**
22403def 590 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 591 * @fc: frame control bytes in little-endian byteorder
592 */
593static inline int ieee80211_is_nullfunc(__le16 fc)
594{
595 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
596 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
597}
a9de8ce0 598
22403def
JB		 599/**
600 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
601 * @fc: frame control bytes in little-endian byteorder
602 */
603static inline int ieee80211_is_qos_nullfunc(__le16 fc)
604{
605 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
606 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
607}
608
b4ba544c
JB		 609/**
610 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
611 * @fc: frame control field in little-endian byteorder
612 */
613static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
614{
615 /* IEEE 802.11-2012, definition of "bufferable management frame";
616 * note that this ignores the IBSS special case. */
617 return ieee80211_is_mgmt(fc) &&
618 (ieee80211_is_action(fc) ||
619 ieee80211_is_disassoc(fc) ||
620 ieee80211_is_deauth(fc));
621}
622
8cb25e14
HS		 623/**
624 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
625 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
626 */
627static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
628{
629 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
630}
631
37c57989
LCC		 632struct ieee80211s_hdr {
633 u8 flags;
634 u8 ttl;
51ceddad 635 __le32 seqnum;
574e2af7
JP		 636 u8 eaddr1[ETH_ALEN];
637 u8 eaddr2[ETH_ALEN];
b8a31c9a 638} __packed __aligned(2);
37c57989 639
79617dee
Y		 640/* Mesh flags */
641#define MESH_FLAGS_AE_A4 0x1
642#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 643#define MESH_FLAGS_AE 0x3
79617dee
Y		 644#define MESH_FLAGS_PS_DEEP 0x4
645
a69cc44f
CYY		 646/**
647 * enum ieee80211_preq_flags - mesh PREQ element flags
648 *
649 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
650 */
651enum ieee80211_preq_flags {
652 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
653};
654
655/**
656 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
657 *
658 * @IEEE80211_PREQ_TO_FLAG: target only subfield
659 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
660 */
661enum ieee80211_preq_target_flags {
662 IEEE80211_PREQ_TO_FLAG = 1<<0,
663 IEEE80211_PREQ_USN_FLAG = 1<<2,
664};
665
f2df3859
AK		 666/**
667 * struct ieee80211_quiet_ie
668 *
669 * This structure refers to "Quiet information element"
670 */
671struct ieee80211_quiet_ie {
672 u8 count;
673 u8 period;
674 __le16 duration;
675 __le16 offset;
598a5938 676} __packed;
f2df3859
AK		 677
678/**
679 * struct ieee80211_msrment_ie
680 *
681 * This structure refers to "Measurement Request/Report information element"
682 */
683struct ieee80211_msrment_ie {
684 u8 token;
685 u8 mode;
686 u8 type;
687 u8 request[0];
598a5938 688} __packed;
f2df3859
AK		 689
690/**
691 * struct ieee80211_channel_sw_ie
692 *
693 * This structure refers to "Channel Switch Announcement information element"
694 */
695struct ieee80211_channel_sw_ie {
696 u8 mode;
697 u8 new_ch_num;
698 u8 count;
598a5938 699} __packed;
37c57989 700
b4f286a1
JB		 701/**
702 * struct ieee80211_ext_chansw_ie
703 *
704 * This structure represents the "Extended Channel Switch Announcement element"
705 */
706struct ieee80211_ext_chansw_ie {
707 u8 mode;
708 u8 new_operating_class;
709 u8 new_ch_num;
710 u8 count;
711} __packed;
712
85220d71
JB		 713/**
714 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
715 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
716 * values here
717 * This structure represents the "Secondary Channel Offset element"
718 */
719struct ieee80211_sec_chan_offs_ie {
720 u8 sec_chan_offs;
721} __packed;
722
8f2535b9
CYY		 723/**
724 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
725 *
726 * This structure represents the "Mesh Channel Switch Paramters element"
727 */
728struct ieee80211_mesh_chansw_params_ie {
729 u8 mesh_ttl;
730 u8 mesh_flags;
731 __le16 mesh_reason;
732 __le16 mesh_pre_value;
733} __packed;
734
b2e506bf
JB		 735/**
736 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
737 */
738struct ieee80211_wide_bw_chansw_ie {
739 u8 new_channel_width;
740 u8 new_center_freq_seg0, new_center_freq_seg1;
741} __packed;
742
98f7dfd8
EG		 743/**
744 * struct ieee80211_tim
745 *
746 * This structure refers to "Traffic Indication Map information element"
747 */
748struct ieee80211_tim_ie {
749 u8 dtim_count;
750 u8 dtim_period;
751 u8 bitmap_ctrl;
752 /* variable size: 1 - 251 bytes */
e7ec86f5 753 u8 virtual_map[1];
598a5938 754} __packed;
98f7dfd8 755
136cfa28
RP		 756/**
757 * struct ieee80211_meshconf_ie
758 *
759 * This structure refers to "Mesh Configuration information element"
760 */
761struct ieee80211_meshconf_ie {
762 u8 meshconf_psel;
763 u8 meshconf_pmetric;
764 u8 meshconf_congest;
765 u8 meshconf_synch;
766 u8 meshconf_auth;
767 u8 meshconf_form;
768 u8 meshconf_cap;
598a5938 769} __packed;
136cfa28 770
65821635
MP		 771/**
772 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
773 *
774 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
775 * additional mesh peerings with other mesh STAs
776 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
777 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
778 * is ongoing
3f52b7e3
MP		 779 * @IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL: STA is in deep sleep mode or has
780 * neighbors in deep sleep mode
65821635
MP		 781 */
782enum mesh_config_capab_flags {
783 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
784 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
785 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
3f52b7e3 786 IEEE80211_MESHCONF_CAPAB_POWER_SAVE_LEVEL = 0x40,
65821635
MP		 787};
788
8f2535b9
CYY		 789/**
790 * mesh channel switch parameters element's flag indicator
791 *
792 */
793#define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
794#define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
795#define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
796
90a5e169
RP		 797/**
798 * struct ieee80211_rann_ie
799 *
800 * This structure refers to "Root Announcement information element"
801 */
802struct ieee80211_rann_ie {
803 u8 rann_flags;
804 u8 rann_hopcount;
805 u8 rann_ttl;
574e2af7 806 u8 rann_addr[ETH_ALEN];
292c41ac
CYY		 807 __le32 rann_seq;
808 __le32 rann_interval;
809 __le32 rann_metric;
598a5938 810} __packed;
90a5e169 811
5ee68e5b
JC		 812enum ieee80211_rann_flags {
813 RANN_FLAG_IS_GATE = 1 << 0,
814};
815
ec61cd63
JB		 816enum ieee80211_ht_chanwidth_values {
817 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
818 IEEE80211_HT_CHANWIDTH_ANY = 1,
819};
820
7bf9b9a0
JB		 821/**
822 * enum ieee80211_opmode_bits - VHT operating mode field bits
823 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
824 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
825 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
826 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
827 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
828 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
829 * (the NSS value is the value of this field + 1)
830 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
831 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
832 * using a beamforming steering matrix
833 */
834enum ieee80211_vht_opmode_bits {
835 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
836 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
837 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
838 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
839 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
840 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
841 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
842 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
843};
844
9dfd6ba3 845#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 846
170fd0b1
AO		 847/**
848 * struct ieee80211_tpc_report_ie
849 *
850 * This structure refers to "TPC Report element"
851 */
852struct ieee80211_tpc_report_ie {
853 u8 tx_power;
854 u8 link_margin;
855} __packed;
856
a9de8ce0
JB		 857struct ieee80211_mgmt {
858 __le16 frame_control;
859 __le16 duration;
574e2af7
JP		 860 u8 da[ETH_ALEN];
861 u8 sa[ETH_ALEN];
862 u8 bssid[ETH_ALEN];
a9de8ce0
JB		 863 __le16 seq_ctrl;
864 union {
865 struct {
866 __le16 auth_alg;
867 __le16 auth_transaction;
868 __le16 status_code;
869 /* possibly followed by Challenge text */
870 u8 variable[0];
598a5938 871 } __packed auth;
a9de8ce0
JB		 872 struct {
873 __le16 reason_code;
598a5938 874 } __packed deauth;
a9de8ce0
JB		 875 struct {
876 __le16 capab_info;
877 __le16 listen_interval;
878 /* followed by SSID and Supported rates */
879 u8 variable[0];
598a5938 880 } __packed assoc_req;
a9de8ce0
JB		 881 struct {
882 __le16 capab_info;
883 __le16 status_code;
884 __le16 aid;
885 /* followed by Supported rates */
886 u8 variable[0];
598a5938 887 } __packed assoc_resp, reassoc_resp;
a9de8ce0
JB		 888 struct {
889 __le16 capab_info;
890 __le16 listen_interval;
574e2af7 891 u8 current_ap[ETH_ALEN];
a9de8ce0
JB		 892 /* followed by SSID and Supported rates */
893 u8 variable[0];
598a5938 894 } __packed reassoc_req;
a9de8ce0
JB		 895 struct {
896 __le16 reason_code;
598a5938 897 } __packed disassoc;
a9de8ce0
JB		 898 struct {
899 __le64 timestamp;
900 __le16 beacon_int;
901 __le16 capab_info;
902 /* followed by some of SSID, Supported rates,
903 * FH Params, DS Params, CF Params, IBSS Params, TIM */
904 u8 variable[0];
598a5938 905 } __packed beacon;
a9de8ce0
JB		 906 struct {
907 /* only variable items: SSID, Supported rates */
908 u8 variable[0];
598a5938 909 } __packed probe_req;
a9de8ce0
JB		 910 struct {
911 __le64 timestamp;
912 __le16 beacon_int;
913 __le16 capab_info;
914 /* followed by some of SSID, Supported rates,
915 * FH Params, DS Params, CF Params, IBSS Params */
916 u8 variable[0];
598a5938 917 } __packed probe_resp;
a9de8ce0
JB		 918 struct {
919 u8 category;
920 union {
921 struct {
922 u8 action_code;
923 u8 dialog_token;
924 u8 status_code;
925 u8 variable[0];
598a5938 926 } __packed wme_action;
a9de8ce0
JB		 927 struct{
928 u8 action_code;
37799e52 929 u8 variable[0];
598a5938 930 } __packed chan_switch;
1b3a2e49
JB		 931 struct{
932 u8 action_code;
933 struct ieee80211_ext_chansw_ie data;
934 u8 variable[0];
935 } __packed ext_chan_switch;
f2df3859
AK		 936 struct{
937 u8 action_code;
938 u8 dialog_token;
939 u8 element_id;
940 u8 length;
941 struct ieee80211_msrment_ie msr_elem;
598a5938 942 } __packed measurement;
6b4e3241
RR		 943 struct{
944 u8 action_code;
945 u8 dialog_token;
946 __le16 capab;
947 __le16 timeout;
948 __le16 start_seq_num;
598a5938 949 } __packed addba_req;
6b4e3241
RR		 950 struct{
951 u8 action_code;
952 u8 dialog_token;
953 __le16 status;
954 __le16 capab;
955 __le16 timeout;
598a5938 956 } __packed addba_resp;
6b4e3241
RR		 957 struct{
958 u8 action_code;
959 __le16 params;
960 __le16 reason_code;
598a5938 961 } __packed delba;
6709a6d9
TP		 962 struct {
963 u8 action_code;
964 u8 variable[0];
598a5938 965 } __packed self_prot;
37c57989
LCC		 966 struct{
967 u8 action_code;
968 u8 variable[0];
598a5938 969 } __packed mesh_action;
fea14732
JM		 970 struct {
971 u8 action;
972 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
598a5938 973 } __packed sa_query;
0f78231b
JB		 974 struct {
975 u8 action;
976 u8 smps_control;
598a5938 977 } __packed ht_smps;
ec61cd63
JB		 978 struct {
979 u8 action_code;
980 u8 chanwidth;
981 } __packed ht_notify_cw;
dfe018bf
AN		 982 struct {
983 u8 action_code;
984 u8 dialog_token;
985 __le16 capability;
986 u8 variable[0];
987 } __packed tdls_discover_resp;
7bf9b9a0
JB		 988 struct {
989 u8 action_code;
990 u8 operating_mode;
991 } __packed vht_opmode_notif;
170fd0b1
AO		 992 struct {
993 u8 action_code;
994 u8 dialog_token;
995 u8 tpc_elem_id;
996 u8 tpc_elem_length;
997 struct ieee80211_tpc_report_ie tpc;
998 } __packed tpc_report;
a9de8ce0 999 } u;
598a5938 1000 } __packed action;
a9de8ce0 1001 } u;
b8a31c9a 1002} __packed __aligned(2);
a9de8ce0 1003
c74d084f
CL		 1004/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1005#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1006
44d414db
JB		 1007/* mgmt header + 1 byte category code */
1008#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1009
a9de8ce0 1010
765cb46a
JM		 1011/* Management MIC information element (IEEE 802.11w) */
1012struct ieee80211_mmie {
1013 u8 element_id;
1014 u8 length;
1015 __le16 key_id;
1016 u8 sequence_number[6];
1017 u8 mic[8];
598a5938 1018} __packed;
765cb46a 1019
0c28ec58
EP		 1020struct ieee80211_vendor_ie {
1021 u8 element_id;
1022 u8 len;
1023 u8 oui[3];
1024 u8 oui_type;
1025} __packed;
1026
6f7eaa47
AN		 1027struct ieee80211_wmm_ac_param {
1028 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1029 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1030 __le16 txop_limit;
1031} __packed;
1032
1033struct ieee80211_wmm_param_ie {
1034 u8 element_id; /* Element ID: 221 (0xdd); */
1035 u8 len; /* Length: 24 */
1036 /* required fields for WMM version 1 */
1037 u8 oui[3]; /* 00:50:f2 */
1038 u8 oui_type; /* 2 */
1039 u8 oui_subtype; /* 1 */
1040 u8 version; /* 1 for WMM version 1.0 */
1041 u8 qos_info; /* AP/STA specific QoS info */
1042 u8 reserved; /* 0 */
1043 /* AC_BE, AC_BK, AC_VI, AC_VO */
1044 struct ieee80211_wmm_ac_param ac[4];
1045} __packed;
1046
a9de8ce0
JB		 1047/* Control frames */
1048struct ieee80211_rts {
1049 __le16 frame_control;
1050 __le16 duration;
574e2af7
JP		 1051 u8 ra[ETH_ALEN];
1052 u8 ta[ETH_ALEN];
b8a31c9a 1053} __packed __aligned(2);
a9de8ce0
JB		 1054
1055struct ieee80211_cts {
1056 __le16 frame_control;
1057 __le16 duration;
574e2af7 1058 u8 ra[ETH_ALEN];
b8a31c9a 1059} __packed __aligned(2);
a9de8ce0 1060
fc6971d4
JM		 1061struct ieee80211_pspoll {
1062 __le16 frame_control;
1063 __le16 aid;
574e2af7
JP		 1064 u8 bssid[ETH_ALEN];
1065 u8 ta[ETH_ALEN];
b8a31c9a 1066} __packed __aligned(2);
fc6971d4 1067
dfe018bf
AN		 1068/* TDLS */
1069
1070/* Link-id information element */
1071struct ieee80211_tdls_lnkie {
1072 u8 ie_type; /* Link Identifier IE */
1073 u8 ie_len;
574e2af7
JP		 1074 u8 bssid[ETH_ALEN];
1075 u8 init_sta[ETH_ALEN];
1076 u8 resp_sta[ETH_ALEN];
dfe018bf
AN		 1077} __packed;
1078
1079struct ieee80211_tdls_data {
574e2af7
JP		 1080 u8 da[ETH_ALEN];
1081 u8 sa[ETH_ALEN];
dfe018bf
AN		 1082 __be16 ether_type;
1083 u8 payload_type;
1084 u8 category;
1085 u8 action_code;
1086 union {
1087 struct {
1088 u8 dialog_token;
1089 __le16 capability;
1090 u8 variable[0];
1091 } __packed setup_req;
1092 struct {
1093 __le16 status_code;
1094 u8 dialog_token;
1095 __le16 capability;
1096 u8 variable[0];
1097 } __packed setup_resp;
1098 struct {
1099 __le16 status_code;
1100 u8 dialog_token;
1101 u8 variable[0];
1102 } __packed setup_cfm;
1103 struct {
1104 __le16 reason_code;
1105 u8 variable[0];
1106 } __packed teardown;
1107 struct {
1108 u8 dialog_token;
1109 u8 variable[0];
1110 } __packed discover_req;
1111 } u;
1112} __packed;
1113
ba350fbc
AS		 1114/*
1115 * Peer-to-Peer IE attribute related definitions.
1116 */
1117/**
1118 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1119 */
1120enum ieee80211_p2p_attr_id {
1121 IEEE80211_P2P_ATTR_STATUS = 0,
1122 IEEE80211_P2P_ATTR_MINOR_REASON,
1123 IEEE80211_P2P_ATTR_CAPABILITY,
1124 IEEE80211_P2P_ATTR_DEVICE_ID,
1125 IEEE80211_P2P_ATTR_GO_INTENT,
1126 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1127 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1128 IEEE80211_P2P_ATTR_GROUP_BSSID,
1129 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1130 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1131 IEEE80211_P2P_ATTR_MANAGABILITY,
1132 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1133 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1134 IEEE80211_P2P_ATTR_DEVICE_INFO,
1135 IEEE80211_P2P_ATTR_GROUP_INFO,
1136 IEEE80211_P2P_ATTR_GROUP_ID,
1137 IEEE80211_P2P_ATTR_INTERFACE,
1138 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1139 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1140 /* 19 - 220: Reserved */
1141 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1142
1143 IEEE80211_P2P_ATTR_MAX
1144};
1145
19dde0bd
JD		 1146/* Notice of Absence attribute - described in P2P spec 4.1.14 */
1147/* Typical max value used here */
1148#define IEEE80211_P2P_NOA_DESC_MAX 4
1149
1150struct ieee80211_p2p_noa_desc {
1151 u8 count;
1152 __le32 duration;
1153 __le32 interval;
1154 __le32 start_time;
1155} __packed;
1156
1157struct ieee80211_p2p_noa_attr {
1158 u8 index;
1159 u8 oppps_ctwindow;
1160 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1161} __packed;
1162
1163#define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1164#define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1165
6b4e3241
RR		 1166/**
1167 * struct ieee80211_bar - HT Block Ack Request
1168 *
1169 * This structure refers to "HT BlockAckReq" as
1170 * described in 802.11n draft section 7.2.1.7.1
1171 */
1172struct ieee80211_bar {
1173 __le16 frame_control;
1174 __le16 duration;
574e2af7
JP		 1175 __u8 ra[ETH_ALEN];
1176 __u8 ta[ETH_ALEN];
a8b47ea3
RR		 1177 __le16 control;
1178 __le16 start_seq_num;
598a5938 1179} __packed;
6b4e3241 1180
429a3805 1181/* 802.11 BAR control masks */
c1407b6c
HS		 1182#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1183#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1184#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1185#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1186#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 1187
1188#define IEEE80211_HT_MCS_MASK_LEN 10
1189
1190/**
1191 * struct ieee80211_mcs_info - MCS information
1192 * @rx_mask: RX mask
9da3e068
LR		 1193 * @rx_highest: highest supported RX rate. If set represents
1194 * the highest supported RX data rate in units of 1 Mbps.
1195 * If this field is 0 this value should not be used to
1196 * consider the highest RX data rate supported.
d9fe60de
JB		 1197 * @tx_params: TX parameters
1198 */
1199struct ieee80211_mcs_info {
1200 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1201 __le16 rx_highest;
1202 u8 tx_params;
1203 u8 reserved[3];
598a5938 1204} __packed;
d9fe60de
JB		 1205
1206/* 802.11n HT capability MSC set */
1207#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1208#define IEEE80211_HT_MCS_TX_DEFINED 0x01
1209#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1210/* value 0 == 1 stream etc */
1211#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1212#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1213#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1214#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1215
1216/*
1217 * 802.11n D5.0 20.3.5 / 20.6 says:
1218 * - indices 0 to 7 and 32 are single spatial stream
1219 * - 8 to 31 are multiple spatial streams using equal modulation
1220 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1221 * - remainder are multiple spatial streams using unequal modulation
1222 */
1223#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1224#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1225 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1226
6b4e3241
RR		 1227/**
1228 * struct ieee80211_ht_cap - HT capabilities
1229 *
d9fe60de
JB		 1230 * This structure is the "HT capabilities element" as
1231 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 1232 */
1233struct ieee80211_ht_cap {
1234 __le16 cap_info;
1235 u8 ampdu_params_info;
d9fe60de
JB		 1236
1237 /* 16 bytes MCS information */
1238 struct ieee80211_mcs_info mcs;
1239
6b4e3241
RR		 1240 __le16 extended_ht_cap_info;
1241 __le32 tx_BF_cap_info;
1242 u8 antenna_selection_info;
598a5938 1243} __packed;
6b4e3241 1244
d9fe60de
JB		 1245/* 802.11n HT capabilities masks (for cap_info) */
1246#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1247#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1248#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 1249#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 1250#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1251#define IEEE80211_HT_CAP_SGI_20 0x0020
1252#define IEEE80211_HT_CAP_SGI_40 0x0040
1253#define IEEE80211_HT_CAP_TX_STBC 0x0080
1254#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 1255#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 1256#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1257#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1258#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 1259#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 1260#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1261#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1262
4dd365fd
BZ		 1263/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1264#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1265#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1266#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1267#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1268#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1269#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1270#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1271
d9fe60de
JB		 1272/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1273#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1274#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 1275#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 1276
d1eba248 1277/*
0563921a 1278 * Maximum length of AMPDU that the STA can receive in high-throughput (HT).
d1eba248
S		 1279 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1280 */
1281enum ieee80211_max_ampdu_length_exp {
1282 IEEE80211_HT_MAX_AMPDU_8K = 0,
1283 IEEE80211_HT_MAX_AMPDU_16K = 1,
1284 IEEE80211_HT_MAX_AMPDU_32K = 2,
1285 IEEE80211_HT_MAX_AMPDU_64K = 3
1286};
1287
0563921a
EH		 1288/*
1289 * Maximum length of AMPDU that the STA can receive in VHT.
1290 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1291 */
1292enum ieee80211_vht_max_ampdu_length_exp {
1293 IEEE80211_VHT_MAX_AMPDU_8K = 0,
1294 IEEE80211_VHT_MAX_AMPDU_16K = 1,
1295 IEEE80211_VHT_MAX_AMPDU_32K = 2,
1296 IEEE80211_VHT_MAX_AMPDU_64K = 3,
1297 IEEE80211_VHT_MAX_AMPDU_128K = 4,
1298 IEEE80211_VHT_MAX_AMPDU_256K = 5,
1299 IEEE80211_VHT_MAX_AMPDU_512K = 6,
1300 IEEE80211_VHT_MAX_AMPDU_1024K = 7
1301};
1302
d1eba248
S		 1303#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1304
1305/* Minimum MPDU start spacing */
1306enum ieee80211_min_mpdu_spacing {
1307 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1308 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1309 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1310 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1311 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1312 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1313 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1314 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1315};
1316
6b4e3241 1317/**
074d46d1 1318 * struct ieee80211_ht_operation - HT operation IE
6b4e3241 1319 *
074d46d1
JB		 1320 * This structure is the "HT operation element" as
1321 * described in 802.11n-2009 7.3.2.57
6b4e3241 1322 */
074d46d1
JB		 1323struct ieee80211_ht_operation {
1324 u8 primary_chan;
6b4e3241
RR		 1325 u8 ht_param;
1326 __le16 operation_mode;
1327 __le16 stbc_param;
1328 u8 basic_set[16];
598a5938 1329} __packed;
6b4e3241 1330
d9fe60de
JB		 1331/* for ht_param */
1332#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1333#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1334#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1335#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1336#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1337#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
d9fe60de
JB		 1338
1339/* for operation_mode */
1340#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1341#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1342#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1343#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1344#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1345#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1346#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1347
1348/* for stbc_param */
1349#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1350#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1351#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1352#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1353#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1354#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1355
a9de8ce0 1356
44d414db
JB		 1357/* block-ack parameters */
1358#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1359#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1360#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 1361#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1362#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1363
1364/*
1365 * A-PMDU buffer sizes
1366 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1367 */
1368#define IEEE80211_MIN_AMPDU_BUF 0x8
1369#define IEEE80211_MAX_AMPDU_BUF 0x40
1370
1371
0f78231b 1372/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 1373#define WLAN_HT_CAP_SM_PS_STATIC 0
1374#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1375#define WLAN_HT_CAP_SM_PS_INVALID 2
1376#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1377
0f78231b
JB		 1378/* for SM power control field lower two bits */
1379#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1380#define WLAN_HT_SMPS_CONTROL_STATIC 1
1381#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1382
ce0e1695
MP		 1383/**
1384 * struct ieee80211_vht_mcs_info - VHT MCS information
1385 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1386 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1387 * STA can receive. Rate expressed in units of 1 Mbps.
1388 * If this field is 0 this value should not be used to
1389 * consider the highest RX data rate supported.
7173a1fa 1390 * The top 3 bits of this field are reserved.
ce0e1695
MP		 1391 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1392 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1393 * STA can transmit. Rate expressed in units of 1 Mbps.
1394 * If this field is 0 this value should not be used to
1395 * consider the highest TX data rate supported.
7173a1fa 1396 * The top 3 bits of this field are reserved.
ce0e1695
MP		 1397 */
1398struct ieee80211_vht_mcs_info {
1399 __le16 rx_mcs_map;
1400 __le16 rx_highest;
1401 __le16 tx_mcs_map;
1402 __le16 tx_highest;
1403} __packed;
1404
7173a1fa
JB		 1405/**
1406 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1407 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1408 * number of streams
1409 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1410 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1411 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1412 *
1413 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1414 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1415 * both split into 8 subfields by number of streams. These values indicate
1416 * which MCSes are supported for the number of streams the value appears
1417 * for.
1418 */
1419enum ieee80211_vht_mcs_support {
1420 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1421 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1422 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1423 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1424};
1425
d4950281
MP		 1426/**
1427 * struct ieee80211_vht_cap - VHT capabilities
1428 *
1429 * This structure is the "VHT capabilities element" as
1430 * described in 802.11ac D3.0 8.4.2.160
1431 * @vht_cap_info: VHT capability info
1432 * @supp_mcs: VHT MCS supported rates
1433 */
1434struct ieee80211_vht_cap {
1435 __le32 vht_cap_info;
1436 struct ieee80211_vht_mcs_info supp_mcs;
1437} __packed;
1438
f2d9d270
JB		 1439/**
1440 * enum ieee80211_vht_chanwidth - VHT channel width
1441 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1442 * determine the channel width (20 or 40 MHz)
1443 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1444 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1445 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1446 */
1447enum ieee80211_vht_chanwidth {
1448 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1449 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1450 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1451 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1452};
1453
d4950281
MP		 1454/**
1455 * struct ieee80211_vht_operation - VHT operation IE
1456 *
1457 * This structure is the "VHT operation element" as
1458 * described in 802.11ac D3.0 8.4.2.161
1459 * @chan_width: Operating channel width
1460 * @center_freq_seg1_idx: center freq segment 1 index
1461 * @center_freq_seg2_idx: center freq segment 2 index
1462 * @basic_mcs_set: VHT Basic MCS rate set
1463 */
1464struct ieee80211_vht_operation {
1465 u8 chan_width;
1466 u8 center_freq_seg1_idx;
1467 u8 center_freq_seg2_idx;
1468 __le16 basic_mcs_set;
1469} __packed;
1470
1471
ce0e1695 1472/* 802.11ac VHT Capabilities */
01331040
JB		 1473#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1474#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1475#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1476#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1477#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
0af83d3d 1478#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_MASK 0x0000000C
01331040
JB		 1479#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1480#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1481#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1482#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1483#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1484#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1485#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1486#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
55d942f4 1487#define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
01331040
JB		 1488#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1489#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
fbdd90ea
ES		 1490#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1491#define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1492 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1493#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1494#define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1495 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
01331040
JB		 1496#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1497#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1498#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1499#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1500#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1501#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1502 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1503#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1504#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1505#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1506#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
ce0e1695 1507
a9de8ce0
JB		 1508/* Authentication algorithms */
1509#define WLAN_AUTH_OPEN 0
1510#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1511#define WLAN_AUTH_FT 2
cfdfa4d3 1512#define WLAN_AUTH_SAE 3
bb608e9d 1513#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1514
1515#define WLAN_AUTH_CHALLENGE_LEN 128
1516
1517#define WLAN_CAPABILITY_ESS (1<<0)
1518#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1519
333ba732
EP		 1520/*
1521 * A mesh STA sets the ESS and IBSS capability bits to zero.
1522 * however, this holds true for p2p probe responses (in the p2p_find
1523 * phase) as well.
1524 */
1525#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1526 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1527
a9de8ce0
JB		 1528#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1529#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1530#define WLAN_CAPABILITY_PRIVACY (1<<4)
1531#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1532#define WLAN_CAPABILITY_PBCC (1<<6)
1533#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1534
a9de8ce0
JB		 1535/* 802.11h */
1536#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1537#define WLAN_CAPABILITY_QOS (1<<9)
1538#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
0f6dfcee
VK		 1539#define WLAN_CAPABILITY_APSD (1<<11)
1540#define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
a9de8ce0 1541#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
0f6dfcee
VK		 1542#define WLAN_CAPABILITY_DEL_BACK (1<<14)
1543#define WLAN_CAPABILITY_IMM_BACK (1<<15)
b188148c
VK		 1544
1545/* DMG (60gHz) 802.11ad */
1546/* type - bits 0..1 */
0f6dfcee 1547#define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
b188148c
VK		 1548#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1549#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1550#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1551
1552#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
0f6dfcee 1553#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
b188148c
VK		 1554#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1555#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1556
1557#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1558#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1559
b6623486
AK		 1560/* measurement */
1561#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1562#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1563#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1564
1565#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1566#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1567#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1568
5628221c
DD		 1569/* 802.11g ERP information element */
1570#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1571#define WLAN_ERP_USE_PROTECTION (1<<1)
1572#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1573
1574/* WLAN_ERP_BARKER_PREAMBLE values */
1575enum {
1576 WLAN_ERP_PREAMBLE_SHORT = 0,
1577 WLAN_ERP_PREAMBLE_LONG = 1,
1578};
1579
b188148c
VK		 1580/* Band ID, 802.11ad #8.4.1.45 */
1581enum {
1582 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1583 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1584 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1585 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1586 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1587 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1588};
1589
a9de8ce0
JB		 1590/* Status codes */
1591enum ieee80211_statuscode {
1592 WLAN_STATUS_SUCCESS = 0,
1593 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1594 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1595 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1596 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1597 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1598 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1599 WLAN_STATUS_CHALLENGE_FAIL = 15,
1600 WLAN_STATUS_AUTH_TIMEOUT = 16,
1601 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1602 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1603 /* 802.11b */
1604 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1605 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1606 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1607 /* 802.11h */
1608 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1609 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1610 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1611 /* 802.11g */
1612 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1613 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1614 /* 802.11w */
1615 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1616 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1617 /* 802.11i */
1618 WLAN_STATUS_INVALID_IE = 40,
1619 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1620 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1621 WLAN_STATUS_INVALID_AKMP = 43,
1622 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1623 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1624 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1625 /* 802.11e */
1626 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1627 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1628 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1629 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1630 WLAN_STATUS_REQUEST_DECLINED = 37,
1631 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1632 WLAN_STATUS_CHANGE_TSPEC = 39,
1633 WLAN_STATUS_WAIT_TS_DELAY = 47,
1634 WLAN_STATUS_NO_DIRECT_LINK = 48,
1635 WLAN_STATUS_STA_NOT_PRESENT = 49,
1636 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1637 /* 802.11s */
1638 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1639 WLAN_STATUS_FCG_NOT_SUPP = 78,
1640 WLAN_STATUS_STA_NO_TBTT = 78,
b188148c
VK		 1641 /* 802.11ad */
1642 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1643 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1644 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1645 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1646 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1647 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1648 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1649 WLAN_STATUS_REJECT_DSE_BAND = 96,
1650 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1651 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
a9de8ce0
JB		 1652};
1653
1654
1655/* Reason codes */
1656enum ieee80211_reasoncode {
1657 WLAN_REASON_UNSPECIFIED = 1,
1658 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1659 WLAN_REASON_DEAUTH_LEAVING = 3,
1660 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1661 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1662 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1663 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1664 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1665 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1666 /* 802.11h */
1667 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1668 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1669 /* 802.11i */
1670 WLAN_REASON_INVALID_IE = 13,
1671 WLAN_REASON_MIC_FAILURE = 14,
1672 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1673 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1674 WLAN_REASON_IE_DIFFERENT = 17,
1675 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1676 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1677 WLAN_REASON_INVALID_AKMP = 20,
1678 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1679 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1680 WLAN_REASON_IEEE8021X_FAILED = 23,
1681 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
c887f0d3
AN		 1682 /* TDLS (802.11z) */
1683 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1684 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
6b4e3241
RR		 1685 /* 802.11e */
1686 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1687 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1688 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1689 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1690 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1691 WLAN_REASON_QSTA_NOT_USE = 37,
1692 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1693 WLAN_REASON_QSTA_TIMEOUT = 39,
1694 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1695 /* 802.11s */
1696 WLAN_REASON_MESH_PEER_CANCELED = 52,
1697 WLAN_REASON_MESH_MAX_PEERS = 53,
1698 WLAN_REASON_MESH_CONFIG = 54,
1699 WLAN_REASON_MESH_CLOSE = 55,
1700 WLAN_REASON_MESH_MAX_RETRIES = 56,
1701 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1702 WLAN_REASON_MESH_INVALID_GTK = 58,
1703 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1704 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1705 WLAN_REASON_MESH_PATH_ERROR = 61,
1706 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1707 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1708 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1709 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1710 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1711};
1712
1713
1714/* Information Element IDs */
1715enum ieee80211_eid {
1716 WLAN_EID_SSID = 0,
1717 WLAN_EID_SUPP_RATES = 1,
8c78e380 1718 WLAN_EID_FH_PARAMS = 2, /* reserved now */
a9de8ce0
JB		 1719 WLAN_EID_DS_PARAMS = 3,
1720 WLAN_EID_CF_PARAMS = 4,
1721 WLAN_EID_TIM = 5,
1722 WLAN_EID_IBSS_PARAMS = 6,
a9de8ce0
JB		 1723 WLAN_EID_COUNTRY = 7,
1724 WLAN_EID_HP_PARAMS = 8,
1725 WLAN_EID_HP_TABLE = 9,
1726 WLAN_EID_REQUEST = 10,
6b4e3241
RR		 1727 WLAN_EID_QBSS_LOAD = 11,
1728 WLAN_EID_EDCA_PARAM_SET = 12,
1729 WLAN_EID_TSPEC = 13,
1730 WLAN_EID_TCLAS = 14,
1731 WLAN_EID_SCHEDULE = 15,
8c78e380
JB		 1732 WLAN_EID_CHALLENGE = 16,
1733 /* 17-31 reserved for challenge text extension */
a9de8ce0
JB		 1734 WLAN_EID_PWR_CONSTRAINT = 32,
1735 WLAN_EID_PWR_CAPABILITY = 33,
1736 WLAN_EID_TPC_REQUEST = 34,
1737 WLAN_EID_TPC_REPORT = 35,
1738 WLAN_EID_SUPPORTED_CHANNELS = 36,
1739 WLAN_EID_CHANNEL_SWITCH = 37,
1740 WLAN_EID_MEASURE_REQUEST = 38,
1741 WLAN_EID_MEASURE_REPORT = 39,
1742 WLAN_EID_QUIET = 40,
1743 WLAN_EID_IBSS_DFS = 41,
a9de8ce0 1744 WLAN_EID_ERP_INFO = 42,
8c78e380
JB		 1745 WLAN_EID_TS_DELAY = 43,
1746 WLAN_EID_TCLAS_PROCESSING = 44,
6b4e3241 1747 WLAN_EID_HT_CAPABILITY = 45,
8c78e380
JB		 1748 WLAN_EID_QOS_CAPA = 46,
1749 /* 47 reserved for Broadcom */
a9de8ce0 1750 WLAN_EID_RSN = 48,
8c78e380
JB		 1751 WLAN_EID_802_15_COEX = 49,
1752 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3
JB		 1753 WLAN_EID_AP_CHAN_REPORT = 51,
1754 WLAN_EID_NEIGHBOR_REPORT = 52,
1755 WLAN_EID_RCPI = 53,
8c78e380
JB		 1756 WLAN_EID_MOBILITY_DOMAIN = 54,
1757 WLAN_EID_FAST_BSS_TRANSITION = 55,
1758 WLAN_EID_TIMEOUT_INTERVAL = 56,
1759 WLAN_EID_RIC_DATA = 57,
1760 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1761 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1762 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1763 WLAN_EID_HT_OPERATION = 61,
1764 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
8e664fb3
JB		 1765 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1766 WLAN_EID_ANTENNA_INFO = 64,
1767 WLAN_EID_RSNI = 65,
1768 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1769 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1770 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
8c78e380 1771 WLAN_EID_TIME_ADVERTISEMENT = 69,
8e664fb3
JB		 1772 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1773 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b 1774 WLAN_EID_BSS_COEX_2040 = 72,
494b6590 1775 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
b7e8941b 1776 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
8e664fb3 1777 WLAN_EID_RIC_DESCRIPTOR = 75,
8c78e380
JB		 1778 WLAN_EID_MMIE = 76,
1779 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1780 WLAN_EID_EVENT_REQUEST = 78,
1781 WLAN_EID_EVENT_REPORT = 79,
1782 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1783 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1784 WLAN_EID_LOCATION_PARAMS = 82,
b188148c 1785 WLAN_EID_NON_TX_BSSID_CAP = 83,
8c78e380
JB		 1786 WLAN_EID_SSID_LIST = 84,
1787 WLAN_EID_MULTI_BSSID_IDX = 85,
1788 WLAN_EID_FMS_DESCRIPTOR = 86,
1789 WLAN_EID_FMS_REQUEST = 87,
1790 WLAN_EID_FMS_RESPONSE = 88,
1791 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1792 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1793 WLAN_EID_TSF_REQUEST = 91,
1794 WLAN_EID_TSF_RESPOSNE = 92,
1795 WLAN_EID_WNM_SLEEP_MODE = 93,
1796 WLAN_EID_TIM_BCAST_REQ = 94,
1797 WLAN_EID_TIM_BCAST_RESP = 95,
1798 WLAN_EID_COLL_IF_REPORT = 96,
1799 WLAN_EID_CHANNEL_USAGE = 97,
1800 WLAN_EID_TIME_ZONE = 98,
1801 WLAN_EID_DMS_REQUEST = 99,
1802 WLAN_EID_DMS_RESPONSE = 100,
1803 WLAN_EID_LINK_ID = 101,
1804 WLAN_EID_WAKEUP_SCHEDUL = 102,
1805 /* 103 reserved */
1806 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1807 WLAN_EID_PTI_CONTROL = 105,
1808 WLAN_EID_PU_BUFFER_STATUS = 106,
1809 WLAN_EID_INTERWORKING = 107,
1810 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1811 WLAN_EID_EXPEDITED_BW_REQ = 109,
1812 WLAN_EID_QOS_MAP_SET = 110,
1813 WLAN_EID_ROAMING_CONSORTIUM = 111,
1814 WLAN_EID_EMERGENCY_ALERT = 112,
1815 WLAN_EID_MESH_CONFIG = 113,
1816 WLAN_EID_MESH_ID = 114,
1817 WLAN_EID_LINK_METRIC_REPORT = 115,
1818 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1819 WLAN_EID_PEER_MGMT = 117,
1820 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1821 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1822 WLAN_EID_BEACON_TIMING = 120,
1823 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1824 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1825 WLAN_EID_MCCAOP_ADVERT = 123,
1826 WLAN_EID_MCCAOP_TEARDOWN = 124,
1827 WLAN_EID_GANN = 125,
1828 WLAN_EID_RANN = 126,
1829 WLAN_EID_EXT_CAPABILITY = 127,
1830 /* 128, 129 reserved for Agere */
1831 WLAN_EID_PREQ = 130,
1832 WLAN_EID_PREP = 131,
1833 WLAN_EID_PERR = 132,
1834 /* 133-136 reserved for Cisco */
1835 WLAN_EID_PXU = 137,
1836 WLAN_EID_PXUC = 138,
1837 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1838 WLAN_EID_MIC = 140,
1839 WLAN_EID_DESTINATION_URI = 141,
1840 WLAN_EID_UAPSD_COEX = 142,
b188148c
VK		 1841 WLAN_EID_WAKEUP_SCHEDULE = 143,
1842 WLAN_EID_EXT_SCHEDULE = 144,
1843 WLAN_EID_STA_AVAILABILITY = 145,
1844 WLAN_EID_DMG_TSPEC = 146,
1845 WLAN_EID_DMG_AT = 147,
1846 WLAN_EID_DMG_CAP = 148,
c8d65917
SG		 1847 /* 149 reserved for Cisco */
1848 WLAN_EID_CISCO_VENDOR_SPECIFIC = 150,
b188148c
VK		 1849 WLAN_EID_DMG_OPERATION = 151,
1850 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1851 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1852 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
8c78e380 1853 /* 155-156 reserved for Cisco */
b188148c
VK		 1854 WLAN_EID_AWAKE_WINDOW = 157,
1855 WLAN_EID_MULTI_BAND = 158,
1856 WLAN_EID_ADDBA_EXT = 159,
1857 WLAN_EID_NEXT_PCP_LIST = 160,
1858 WLAN_EID_PCP_HANDOVER = 161,
1859 WLAN_EID_DMG_LINK_MARGIN = 162,
1860 WLAN_EID_SWITCHING_STREAM = 163,
1861 WLAN_EID_SESSION_TRANSITION = 164,
1862 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1863 WLAN_EID_CLUSTER_REPORT = 166,
1864 WLAN_EID_RELAY_CAP = 167,
1865 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1866 WLAN_EID_BEAM_LINK_MAINT = 169,
1867 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1868 WLAN_EID_U_PID = 171,
1869 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
8c78e380
JB		 1870 /* 173 reserved for Symbol */
1871 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
b188148c 1872 WLAN_EID_QUIET_PERIOD_REQ = 175,
8c78e380 1873 /* 176 reserved for Symbol */
b188148c 1874 WLAN_EID_QUIET_PERIOD_RESP = 177,
8c78e380
JB		 1875 /* 178-179 reserved for Symbol */
1876 /* 180 reserved for ISO/IEC 20011 */
b188148c
VK		 1877 WLAN_EID_EPAC_POLICY = 182,
1878 WLAN_EID_CLISTER_TIME_OFF = 183,
8c78e380
JB		 1879 WLAN_EID_INTER_AC_PRIO = 184,
1880 WLAN_EID_SCS_DESCRIPTOR = 185,
1881 WLAN_EID_QLOAD_REPORT = 186,
1882 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1883 WLAN_EID_HL_STREAM_ID = 188,
1884 WLAN_EID_GCR_GROUP_ADDR = 189,
b188148c 1885 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
8c78e380
JB		 1886 WLAN_EID_VHT_CAPABILITY = 191,
1887 WLAN_EID_VHT_OPERATION = 192,
1888 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1889 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1890 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1891 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1892 WLAN_EID_AID = 197,
1893 WLAN_EID_QUIET_CHANNEL = 198,
1894 WLAN_EID_OPMODE_NOTIF = 199,
1895
1896 WLAN_EID_VENDOR_SPECIFIC = 221,
1897 WLAN_EID_QOS_PARAMETER = 222,
a9de8ce0
JB		 1898};
1899
6b4e3241
RR		 1900/* Action category code */
1901enum ieee80211_category {
1902 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1903 WLAN_CATEGORY_QOS = 1,
1904 WLAN_CATEGORY_DLS = 2,
1905 WLAN_CATEGORY_BACK = 3,
fb733336 1906 WLAN_CATEGORY_PUBLIC = 4,
170fd0b1 1907 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
528769cf 1908 WLAN_CATEGORY_HT = 7,
fea14732 1909 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1910 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
dfe018bf 1911 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S		 1912 WLAN_CATEGORY_MESH_ACTION = 13,
1913 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1914 WLAN_CATEGORY_SELF_PROTECTED = 15,
b188148c 1915 WLAN_CATEGORY_DMG = 16,
6b4e3241 1916 WLAN_CATEGORY_WMM = 17,
b188148c
VK		 1917 WLAN_CATEGORY_FST = 18,
1918 WLAN_CATEGORY_UNPROT_DMG = 20,
7bf9b9a0 1919 WLAN_CATEGORY_VHT = 21,
528769cf
JM		 1920 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1921 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1922};
1923
f2df3859
AK		 1924/* SPECTRUM_MGMT action code */
1925enum ieee80211_spectrum_mgmt_actioncode {
1926 WLAN_ACTION_SPCT_MSR_REQ = 0,
1927 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1928 WLAN_ACTION_SPCT_TPC_REQ = 2,
1929 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1930 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1931};
1932
0f78231b
JB		 1933/* HT action codes */
1934enum ieee80211_ht_actioncode {
1935 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1936 WLAN_HT_ACTION_SMPS = 1,
1937 WLAN_HT_ACTION_PSMP = 2,
1938 WLAN_HT_ACTION_PCO_PHASE = 3,
1939 WLAN_HT_ACTION_CSI = 4,
1940 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1941 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1942 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1943};
1944
7bf9b9a0
JB		 1945/* VHT action codes */
1946enum ieee80211_vht_actioncode {
1947 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1948 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1949 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1950};
1951
6709a6d9
TP		 1952/* Self Protected Action codes */
1953enum ieee80211_self_protected_actioncode {
1954 WLAN_SP_RESERVED = 0,
1955 WLAN_SP_MESH_PEERING_OPEN = 1,
1956 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1957 WLAN_SP_MESH_PEERING_CLOSE = 3,
1958 WLAN_SP_MGK_INFORM = 4,
1959 WLAN_SP_MGK_ACK = 5,
1960};
1961
36c704fd
TP		 1962/* Mesh action codes */
1963enum ieee80211_mesh_actioncode {
1964 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1965 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1966 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1967 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1968 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1969 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1970 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1971 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1972 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1973 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1974 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1975};
1976
e31a16d6
ZY		 1977/* Security key length */
1978enum ieee80211_key_len {
1979 WLAN_KEY_LEN_WEP40 = 5,
1980 WLAN_KEY_LEN_WEP104 = 13,
1981 WLAN_KEY_LEN_CCMP = 16,
1982 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1983 WLAN_KEY_LEN_AES_CMAC = 16,
28cb1749 1984 WLAN_KEY_LEN_SMS4 = 32,
e31a16d6
ZY		 1985};
1986
4325f6ca
JB		 1987#define IEEE80211_WEP_IV_LEN 4
1988#define IEEE80211_WEP_ICV_LEN 4
1989#define IEEE80211_CCMP_HDR_LEN 8
1990#define IEEE80211_CCMP_MIC_LEN 8
1991#define IEEE80211_CCMP_PN_LEN 6
1992#define IEEE80211_TKIP_IV_LEN 8
1993#define IEEE80211_TKIP_ICV_LEN 4
1994#define IEEE80211_CMAC_PN_LEN 6
1995
dfe018bf
AN		 1996/* Public action codes */
1997enum ieee80211_pub_actioncode {
1b3a2e49 1998 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
dfe018bf
AN		 1999 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2000};
2001
2002/* TDLS action codes */
2003enum ieee80211_tdls_actioncode {
2004 WLAN_TDLS_SETUP_REQUEST = 0,
2005 WLAN_TDLS_SETUP_RESPONSE = 1,
2006 WLAN_TDLS_SETUP_CONFIRM = 2,
2007 WLAN_TDLS_TEARDOWN = 3,
2008 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2009 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2010 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2011 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2012 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2013 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2014 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2015};
2016
e9a21949
LC		 2017/* Extended Channel Switching capability to be set in the 1st byte of
2018 * the @WLAN_EID_EXT_CAPABILITY information element
2019 */
2020#define WLAN_EXT_CAPA1_EXT_CHANNEL_SWITCHING BIT(2)
2021
dcb7a6ce
AP		 2022/* Interworking capabilities are set in 7th bit of 4th byte of the
2023 * @WLAN_EID_EXT_CAPABILITY information element
2024 */
2025#define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2026
dfe018bf
AN		 2027/*
2028 * TDLS capabililites to be enabled in the 5th byte of the
2029 * @WLAN_EID_EXT_CAPABILITY information element
2030 */
2031#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2032#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2033
c6f9d6c3 2034#define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
852c0153 2035#define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
c6f9d6c3 2036
dfe018bf
AN		 2037/* TDLS specific payload type in the LLC/SNAP header */
2038#define WLAN_TDLS_SNAP_RFTYPE 0x2
2039
dbf498fb
JC		 2040/**
2041 * enum - mesh synchronization method identifier
2042 *
2043 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2044 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
a4f606ea 2045 * that will be specified in a vendor specific information element
dbf498fb
JC		 2046 */
2047enum {
2048 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2049 IEEE80211_SYNC_METHOD_VENDOR = 255,
2050};
2051
c80d545d
JC		 2052/**
2053 * enum - mesh path selection protocol identifier
2054 *
2055 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2056 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
a4f606ea 2057 * be specified in a vendor specific information element
c80d545d
JC		 2058 */
2059enum {
dcca1cfc 2060 IEEE80211_PATH_PROTOCOL_HWMP = 1,
c80d545d
JC		 2061 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2062};
2063
2064/**
2065 * enum - mesh path selection metric identifier
2066 *
2067 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2068 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
a4f606ea 2069 * specified in a vendor specific information element
c80d545d
JC		 2070 */
2071enum {
dcca1cfc 2072 IEEE80211_PATH_METRIC_AIRTIME = 1,
c80d545d
JC		 2073 IEEE80211_PATH_METRIC_VENDOR = 255,
2074};
2075
a69cc44f
CYY		 2076/**
2077 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2078 *
2079 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2080 *
2081 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2082 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2083 * this value
2084 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2085 * the proactive PREQ with proactive PREP subfield set to 0
2086 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2087 * supports the proactive PREQ with proactive PREP subfield set to 1
2088 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2089 * the proactive RANN
2090 */
2091enum ieee80211_root_mode_identifier {
2092 IEEE80211_ROOTMODE_NO_ROOT = 0,
2093 IEEE80211_ROOTMODE_ROOT = 1,
2094 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2095 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2096 IEEE80211_PROACTIVE_RANN = 4,
2097};
c80d545d 2098
3f2355cb
LR		 2099/*
2100 * IEEE 802.11-2007 7.3.2.9 Country information element
2101 *
2102 * Minimum length is 8 octets, ie len must be evenly
2103 * divisible by 2
2104 */
2105
2106/* Although the spec says 8 I'm seeing 6 in practice */
2107#define IEEE80211_COUNTRY_IE_MIN_LEN 6
2108
80751e2b
BZ		 2109/* The Country String field of the element shall be 3 octets in length */
2110#define IEEE80211_COUNTRY_STRING_LEN 3
2111
3f2355cb
LR		 2112/*
2113 * For regulatory extension stuff see IEEE 802.11-2007
2114 * Annex I (page 1141) and Annex J (page 1147). Also
2115 * review 7.3.2.9.
2116 *
2117 * When dot11RegulatoryClassesRequired is true and the
2118 * first_channel/reg_extension_id is >= 201 then the IE
2119 * compromises of the 'ext' struct represented below:
2120 *
2121 * - Regulatory extension ID - when generating IE this just needs
2122 * to be monotonically increasing for each triplet passed in
2123 * the IE
2124 * - Regulatory class - index into set of rules
2125 * - Coverage class - index into air propagation time (Table 7-27),
2126 * in microseconds, you can compute the air propagation time from
2127 * the index by multiplying by 3, so index 10 yields a propagation
2128 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2129 * yet. A value of 0 inicates air propagation of <= 1 us.
2130 *
2131 * See also Table I.2 for Emission limit sets and table
2132 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2133 * a reg_class to an emission limit set and behavior limit set.
2134 */
2135#define IEEE80211_COUNTRY_EXTENSION_ID 201
2136
2137/*
2138 * Channels numbers in the IE must be monotonically increasing
2139 * if dot11RegulatoryClassesRequired is not true.
2140 *
2141 * If dot11RegulatoryClassesRequired is true consecutive
2142 * subband triplets following a regulatory triplet shall
2143 * have monotonically increasing first_channel number fields.
2144 *
2145 * Channel numbers shall not overlap.
2146 *
2147 * Note that max_power is signed.
2148 */
2149struct ieee80211_country_ie_triplet {
2150 union {
2151 struct {
2152 u8 first_channel;
2153 u8 num_channels;
2154 s8 max_power;
598a5938 2155 } __packed chans;
3f2355cb
LR		 2156 struct {
2157 u8 reg_extension_id;
2158 u8 reg_class;
2159 u8 coverage_class;
598a5938 2160 } __packed ext;
3f2355cb 2161 };
598a5938 2162} __packed;
3f2355cb 2163
f797eb7e
JM		 2164enum ieee80211_timeout_interval_type {
2165 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2166 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2167 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2168};
2169
79ba1d89
JB		 2170/**
2171 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2172 * @type: type, see &enum ieee80211_timeout_interval_type
2173 * @value: timeout interval value
2174 */
2175struct ieee80211_timeout_interval_ie {
2176 u8 type;
2177 __le32 value;
2178} __packed;
2179
6b4e3241
RR		 2180/* BACK action code */
2181enum ieee80211_back_actioncode {
2182 WLAN_ACTION_ADDBA_REQ = 0,
2183 WLAN_ACTION_ADDBA_RESP = 1,
2184 WLAN_ACTION_DELBA = 2,
2185};
2186
07db2183
RR		 2187/* BACK (block-ack) parties */
2188enum ieee80211_back_parties {
2189 WLAN_BACK_RECIPIENT = 0,
2190 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 2191};
2192
fea14732
JM		 2193/* SA Query action */
2194enum ieee80211_sa_query_action {
2195 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2196 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2197};
2198
2199
a9de8ce0
JB		 2200/* cipher suite selectors */
2201#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2202#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2203#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2204/* reserved: 0x000FAC03 */
2205#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2206#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 2207#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
b188148c 2208#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
a9de8ce0 2209
c2e889a7
JM		 2210#define WLAN_CIPHER_SUITE_SMS4 0x00147201
2211
6a669e65
JB		 2212/* AKM suite selectors */
2213#define WLAN_AKM_SUITE_8021X 0x000FAC01
2214#define WLAN_AKM_SUITE_PSK 0x000FAC02
d437c86b
BZ		 2215#define WLAN_AKM_SUITE_8021X_SHA256 0x000FAC05
2216#define WLAN_AKM_SUITE_PSK_SHA256 0x000FAC06
2217#define WLAN_AKM_SUITE_TDLS 0x000FAC07
2218#define WLAN_AKM_SUITE_SAE 0x000FAC08
cfdfa4d3 2219#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 2220
a9de8ce0
JB		 2221#define WLAN_MAX_KEY_LEN 32
2222
67fbb16b
SO		 2223#define WLAN_PMKID_LEN 16
2224
0c28ec58
EP		 2225#define WLAN_OUI_WFA 0x506f9a
2226#define WLAN_OUI_TYPE_WFA_P2P 9
535588e6
AP		 2227#define WLAN_OUI_MICROSOFT 0x0050f2
2228#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
c2ebea20
AP		 2229#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2230#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
0c28ec58 2231
856799d5
KV		 2232/*
2233 * WMM/802.11e Tspec Element
2234 */
2235#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2236#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2237
2238enum ieee80211_tspec_status_code {
2239 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2240 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2241};
2242
2243struct ieee80211_tspec_ie {
2244 u8 element_id;
2245 u8 len;
2246 u8 oui[3];
2247 u8 oui_type;
2248 u8 oui_subtype;
2249 u8 version;
2250 __le16 tsinfo;
2251 u8 tsinfo_resvd;
2252 __le16 nominal_msdu;
2253 __le16 max_msdu;
2254 __le32 min_service_int;
2255 __le32 max_service_int;
2256 __le32 inactivity_int;
2257 __le32 suspension_int;
2258 __le32 service_start_time;
2259 __le32 min_data_rate;
2260 __le32 mean_data_rate;
2261 __le32 peak_data_rate;
2262 __le32 max_burst_size;
2263 __le32 delay_bound;
2264 __le32 min_phy_rate;
2265 __le16 sba;
2266 __le16 medium_time;
2267} __packed;
2268
fd7c8a40
HH		 2269/**
2270 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2271 * @hdr: the frame
2272 *
2273 * The qos ctrl bytes come after the frame_control, duration, seq_num
2274 * and 3 or 4 addresses of length ETH_ALEN.
2275 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2276 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2277 */
2278static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2279{
2280 if (ieee80211_has_a4(hdr->frame_control))
2281 return (u8 *)hdr + 30;
2282 else
2283 return (u8 *)hdr + 24;
2284}
2285
f97df02e
JB		 2286/**
2287 * ieee80211_get_SA - get pointer to SA
fd7c8a40 2288 * @hdr: the frame
f97df02e
JB		 2289 *
2290 * Given an 802.11 frame, this function returns the offset
2291 * to the source address (SA). It does not verify that the
2292 * header is long enough to contain the address, and the
2293 * header must be long enough to contain the frame control
2294 * field.
f97df02e
JB		 2295 */
2296static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2297{
fd7c8a40 2298 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 2299 return hdr->addr4;
fd7c8a40
HH		 2300 if (ieee80211_has_fromds(hdr->frame_control))
2301 return hdr->addr3;
2302 return hdr->addr2;
f97df02e
JB		 2303}
2304
2305/**
2306 * ieee80211_get_DA - get pointer to DA
fd7c8a40 2307 * @hdr: the frame
f97df02e
JB		 2308 *
2309 * Given an 802.11 frame, this function returns the offset
2310 * to the destination address (DA). It does not verify that
2311 * the header is long enough to contain the address, and the
2312 * header must be long enough to contain the frame control
2313 * field.
f97df02e
JB		 2314 */
2315static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2316{
fd7c8a40 2317 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 2318 return hdr->addr3;
5a433b3a
HH		 2319 else
2320 return hdr->addr1;
f97df02e
JB		 2321}
2322
fb733336 2323/**
d8ca16db 2324 * _ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
fb733336
JM		 2325 * @hdr: the frame (buffer must include at least the first octet of payload)
2326 */
d8ca16db 2327static inline bool _ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
fb733336
JM		 2328{
2329 if (ieee80211_is_disassoc(hdr->frame_control) ||
2330 ieee80211_is_deauth(hdr->frame_control))
2331 return true;
2332
2333 if (ieee80211_is_action(hdr->frame_control)) {
2334 u8 *category;
2335
2336 /*
2337 * Action frames, excluding Public Action frames, are Robust
2338 * Management Frames. However, if we are looking at a Protected
2339 * frame, skip the check since the data may be encrypted and
2340 * the frame has already been found to be a Robust Management
2341 * Frame (by the other end).
2342 */
2343 if (ieee80211_has_protected(hdr->frame_control))
2344 return true;
2345 category = ((u8 *) hdr) + 24;
528769cf
JM		 2346 return *category != WLAN_CATEGORY_PUBLIC &&
2347 *category != WLAN_CATEGORY_HT &&
8f9cb77d 2348 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 2349 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 2350 }
2351
2352 return false;
2353}
2354
d8ca16db
JB		 2355/**
2356 * ieee80211_is_robust_mgmt_frame - check if skb contains a robust mgmt frame
2357 * @skb: the skb containing the frame, length will be checked
2358 */
2359static inline bool ieee80211_is_robust_mgmt_frame(struct sk_buff *skb)
2360{
2361 if (skb->len < 25)
2362 return false;
2363 return _ieee80211_is_robust_mgmt_frame((void *)skb->data);
2364}
2365
3df6eaea
JB		 2366/**
2367 * ieee80211_is_public_action - check if frame is a public action frame
2368 * @hdr: the frame
2369 * @len: length of the frame
2370 */
2371static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2372 size_t len)
2373{
2374 struct ieee80211_mgmt *mgmt = (void *)hdr;
2375
2376 if (len < IEEE80211_MIN_ACTION_SIZE)
2377 return false;
2378 if (!ieee80211_is_action(hdr->frame_control))
2379 return false;
2380 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2381}
2382
10f644a4
JB		 2383/**
2384 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2385 * @tu: the TUs
2386 */
2387static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2388{
2389 return 1024 * tu;
2390}
2391
e7ec86f5
JB		 2392/**
2393 * ieee80211_check_tim - check if AID bit is set in TIM
2394 * @tim: the TIM IE
2395 * @tim_len: length of the TIM IE
2396 * @aid: the AID to look for
2397 */
4a3cb702 2398static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
e7ec86f5
JB		 2399 u8 tim_len, u16 aid)
2400{
2401 u8 mask;
2402 u8 index, indexn1, indexn2;
2403
2404 if (unlikely(!tim || tim_len < sizeof(*tim)))
2405 return false;
2406
2407 aid &= 0x3fff;
2408 index = aid / 8;
2409 mask = 1 << (aid & 7);
2410
2411 indexn1 = tim->bitmap_ctrl & 0xfe;
2412 indexn2 = tim_len + indexn1 - 4;
2413
2414 if (index < indexn1 || index > indexn2)
2415 return false;
2416
2417 index -= indexn1;
2418
2419 return !!(tim->virtual_map[index] & mask);
2420}
2421
1277b4a9
LK		 2422/**
2423 * ieee80211_get_tdls_action - get tdls packet action (or -1, if not tdls packet)
2424 * @skb: the skb containing the frame, length will not be checked
2425 * @hdr_size: the size of the ieee80211_hdr that starts at skb->data
2426 *
2427 * This function assumes the frame is a data frame, and that the network header
2428 * is in the correct place.
2429 */
2430static inline int ieee80211_get_tdls_action(struct sk_buff *skb, u32 hdr_size)
2431{
2432 if (!skb_is_nonlinear(skb) &&
2433 skb->len > (skb_network_offset(skb) + 2)) {
2434 /* Point to where the indication of TDLS should start */
2435 const u8 *tdls_data = skb_network_header(skb) - 2;
2436
2437 if (get_unaligned_be16(tdls_data) == ETH_P_TDLS &&
2438 tdls_data[2] == WLAN_TDLS_SNAP_RFTYPE &&
2439 tdls_data[3] == WLAN_CATEGORY_TDLS)
2440 return tdls_data[4];
2441 }
2442
2443 return -1;
2444}
2445
e7f1935c
JB		 2446/* convert time units */
2447#define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2448#define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2449
170fd0b1
AO		 2450/**
2451 * ieee80211_action_contains_tpc - checks if the frame contains TPC element
2452 * @skb: the skb containing the frame, length will be checked
2453 *
2454 * This function checks if it's either TPC report action frame or Link
2455 * Measurement report action frame as defined in IEEE Std. 802.11-2012 8.5.2.5
2456 * and 8.5.7.5 accordingly.
2457 */
2458static inline bool ieee80211_action_contains_tpc(struct sk_buff *skb)
2459{
2460 struct ieee80211_mgmt *mgmt = (void *)skb->data;
2461
2462 if (!ieee80211_is_action(mgmt->frame_control))
2463 return false;
2464
2465 if (skb->len < IEEE80211_MIN_ACTION_SIZE +
2466 sizeof(mgmt->u.action.u.tpc_report))
2467 return false;
2468
2469 /*
2470 * TPC report - check that:
2471 * category = 0 (Spectrum Management) or 5 (Radio Measurement)
2472 * spectrum management action = 3 (TPC/Link Measurement report)
2473 * TPC report EID = 35
2474 * TPC report element length = 2
2475 *
2476 * The spectrum management's tpc_report struct is used here both for
2477 * parsing tpc_report and radio measurement's link measurement report
2478 * frame, since the relevant part is identical in both frames.
2479 */
2480 if (mgmt->u.action.category != WLAN_CATEGORY_SPECTRUM_MGMT &&
2481 mgmt->u.action.category != WLAN_CATEGORY_RADIO_MEASUREMENT)
2482 return false;
2483
2484 /* both spectrum mgmt and link measurement have same action code */
2485 if (mgmt->u.action.u.tpc_report.action_code !=
2486 WLAN_ACTION_SPCT_TPC_RPRT)
2487 return false;
2488
2489 if (mgmt->u.action.u.tpc_report.tpc_elem_id != WLAN_EID_TPC_REPORT ||
2490 mgmt->u.action.u.tpc_report.tpc_elem_length !=
2491 sizeof(struct ieee80211_tpc_report_ie))
2492 return false;
2493
2494 return true;
2495}
2496
9387b7ca 2497#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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