mac80211: Start implementing QoS support for mesh interfaces
[deliverable/linux.git] / include / linux / ieee80211.h
CommitLineData
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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>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
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15#ifndef LINUX_IEEE80211_H
16#define LINUX_IEEE80211_H
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17
18#include <linux/types.h>
f97df02e 19#include <asm/byteorder.h>
a9de8ce0 20
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21/*
22 * DS bit usage
23 *
24 * TA = transmitter address
25 * RA = receiver address
26 * DA = destination address
27 * SA = source address
28 *
29 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
30 * -----------------------------------------------------------------
31 * 0 0 DA SA BSSID - IBSS/DLS
32 * 0 1 DA BSSID SA - AP -> STA
33 * 1 0 BSSID SA DA - AP <- STA
34 * 1 1 RA TA DA SA unspecified (WDS)
35 */
36
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37#define FCS_LEN 4
38
39#define IEEE80211_FCTL_VERS 0x0003
40#define IEEE80211_FCTL_FTYPE 0x000c
41#define IEEE80211_FCTL_STYPE 0x00f0
42#define IEEE80211_FCTL_TODS 0x0100
43#define IEEE80211_FCTL_FROMDS 0x0200
44#define IEEE80211_FCTL_MOREFRAGS 0x0400
45#define IEEE80211_FCTL_RETRY 0x0800
46#define IEEE80211_FCTL_PM 0x1000
47#define IEEE80211_FCTL_MOREDATA 0x2000
48#define IEEE80211_FCTL_PROTECTED 0x4000
49#define IEEE80211_FCTL_ORDER 0x8000
50
51#define IEEE80211_SCTL_FRAG 0x000F
52#define IEEE80211_SCTL_SEQ 0xFFF0
53
54#define IEEE80211_FTYPE_MGMT 0x0000
55#define IEEE80211_FTYPE_CTL 0x0004
56#define IEEE80211_FTYPE_DATA 0x0008
57
58/* management */
59#define IEEE80211_STYPE_ASSOC_REQ 0x0000
60#define IEEE80211_STYPE_ASSOC_RESP 0x0010
61#define IEEE80211_STYPE_REASSOC_REQ 0x0020
62#define IEEE80211_STYPE_REASSOC_RESP 0x0030
63#define IEEE80211_STYPE_PROBE_REQ 0x0040
64#define IEEE80211_STYPE_PROBE_RESP 0x0050
65#define IEEE80211_STYPE_BEACON 0x0080
66#define IEEE80211_STYPE_ATIM 0x0090
67#define IEEE80211_STYPE_DISASSOC 0x00A0
68#define IEEE80211_STYPE_AUTH 0x00B0
69#define IEEE80211_STYPE_DEAUTH 0x00C0
70#define IEEE80211_STYPE_ACTION 0x00D0
71
72/* control */
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73#define IEEE80211_STYPE_BACK_REQ 0x0080
74#define IEEE80211_STYPE_BACK 0x0090
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75#define IEEE80211_STYPE_PSPOLL 0x00A0
76#define IEEE80211_STYPE_RTS 0x00B0
77#define IEEE80211_STYPE_CTS 0x00C0
78#define IEEE80211_STYPE_ACK 0x00D0
79#define IEEE80211_STYPE_CFEND 0x00E0
80#define IEEE80211_STYPE_CFENDACK 0x00F0
81
82/* data */
83#define IEEE80211_STYPE_DATA 0x0000
84#define IEEE80211_STYPE_DATA_CFACK 0x0010
85#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
86#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
87#define IEEE80211_STYPE_NULLFUNC 0x0040
88#define IEEE80211_STYPE_CFACK 0x0050
89#define IEEE80211_STYPE_CFPOLL 0x0060
90#define IEEE80211_STYPE_CFACKPOLL 0x0070
91#define IEEE80211_STYPE_QOS_DATA 0x0080
92#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
93#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
94#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
95#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
96#define IEEE80211_STYPE_QOS_CFACK 0x00D0
97#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
98#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
99
100
101/* miscellaneous IEEE 802.11 constants */
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102#define IEEE80211_MAX_FRAG_THRESHOLD 2352
103#define IEEE80211_MAX_RTS_THRESHOLD 2353
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104#define IEEE80211_MAX_AID 2007
105#define IEEE80211_MAX_TIM_LEN 251
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106/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
107 6.2.1.1.2.
108
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109 802.11e clarifies the figure in section 7.1.2. The frame body is
110 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
111#define IEEE80211_MAX_DATA_LEN 2304
112/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
113#define IEEE80211_MAX_FRAME_LEN 2352
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114
115#define IEEE80211_MAX_SSID_LEN 32
1239cd58 116
37c57989 117#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 118
fd7c8a40 119#define IEEE80211_QOS_CTL_LEN 2
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120/* 1d tag mask */
121#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
122/* TID mask */
123#define IEEE80211_QOS_CTL_TID_MASK 0x000f
124/* EOSP */
125#define IEEE80211_QOS_CTL_EOSP 0x0010
126/* ACK policy */
127#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
128#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
129#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
130#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
131/* A-MSDU 802.11n */
132#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
a9de8ce0 133
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134/* U-APSD queue for WMM IEs sent by AP */
135#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 136#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
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137
138/* U-APSD queues for WMM IEs sent by STA */
139#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
140#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
141#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
142#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
143#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
144
145/* U-APSD max SP length for WMM IEs sent by STA */
146#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
147#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
148#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
149#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
150#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
151#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
152
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153#define IEEE80211_HT_CTL_LEN 4
154
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155struct ieee80211_hdr {
156 __le16 frame_control;
157 __le16 duration_id;
158 u8 addr1[6];
159 u8 addr2[6];
160 u8 addr3[6];
161 __le16 seq_ctrl;
162 u8 addr4[6];
163} __attribute__ ((packed));
164
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165struct ieee80211_hdr_3addr {
166 __le16 frame_control;
167 __le16 duration_id;
168 u8 addr1[6];
169 u8 addr2[6];
170 u8 addr3[6];
171 __le16 seq_ctrl;
172} __attribute__ ((packed));
173
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174struct ieee80211_qos_hdr {
175 __le16 frame_control;
176 __le16 duration_id;
177 u8 addr1[6];
178 u8 addr2[6];
179 u8 addr3[6];
180 __le16 seq_ctrl;
181 __le16 qos_ctrl;
182} __attribute__ ((packed));
183
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184/**
185 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
186 * @fc: frame control bytes in little-endian byteorder
187 */
188static inline int ieee80211_has_tods(__le16 fc)
189{
190 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
191}
192
193/**
194 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
195 * @fc: frame control bytes in little-endian byteorder
196 */
197static inline int ieee80211_has_fromds(__le16 fc)
198{
199 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
200}
201
202/**
203 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
204 * @fc: frame control bytes in little-endian byteorder
205 */
206static inline int ieee80211_has_a4(__le16 fc)
207{
208 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
209 return (fc & tmp) == tmp;
210}
211
212/**
213 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
214 * @fc: frame control bytes in little-endian byteorder
215 */
216static inline int ieee80211_has_morefrags(__le16 fc)
217{
218 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
219}
220
221/**
222 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
223 * @fc: frame control bytes in little-endian byteorder
224 */
225static inline int ieee80211_has_retry(__le16 fc)
226{
227 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
228}
229
230/**
231 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
232 * @fc: frame control bytes in little-endian byteorder
233 */
234static inline int ieee80211_has_pm(__le16 fc)
235{
236 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
237}
238
239/**
240 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
241 * @fc: frame control bytes in little-endian byteorder
242 */
243static inline int ieee80211_has_moredata(__le16 fc)
244{
245 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
246}
247
248/**
249 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
250 * @fc: frame control bytes in little-endian byteorder
251 */
252static inline int ieee80211_has_protected(__le16 fc)
253{
254 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
255}
256
257/**
258 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
259 * @fc: frame control bytes in little-endian byteorder
260 */
261static inline int ieee80211_has_order(__le16 fc)
262{
263 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
264}
265
266/**
267 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
268 * @fc: frame control bytes in little-endian byteorder
269 */
270static inline int ieee80211_is_mgmt(__le16 fc)
271{
272 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
273 cpu_to_le16(IEEE80211_FTYPE_MGMT);
274}
275
276/**
277 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
278 * @fc: frame control bytes in little-endian byteorder
279 */
280static inline int ieee80211_is_ctl(__le16 fc)
281{
282 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
283 cpu_to_le16(IEEE80211_FTYPE_CTL);
284}
285
286/**
287 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
288 * @fc: frame control bytes in little-endian byteorder
289 */
290static inline int ieee80211_is_data(__le16 fc)
291{
292 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
293 cpu_to_le16(IEEE80211_FTYPE_DATA);
294}
295
296/**
297 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
298 * @fc: frame control bytes in little-endian byteorder
299 */
300static inline int ieee80211_is_data_qos(__le16 fc)
301{
302 /*
303 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
304 * to check the one bit
305 */
306 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
307 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
308}
309
310/**
311 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
312 * @fc: frame control bytes in little-endian byteorder
313 */
314static inline int ieee80211_is_data_present(__le16 fc)
315{
316 /*
317 * mask with 0x40 and test that that bit is clear to only return true
318 * for the data-containing substypes.
319 */
320 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
321 cpu_to_le16(IEEE80211_FTYPE_DATA);
322}
323
324/**
325 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
326 * @fc: frame control bytes in little-endian byteorder
327 */
328static inline int ieee80211_is_assoc_req(__le16 fc)
329{
330 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
331 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
332}
333
334/**
335 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
336 * @fc: frame control bytes in little-endian byteorder
337 */
338static inline int ieee80211_is_assoc_resp(__le16 fc)
339{
340 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
341 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
342}
343
344/**
345 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
346 * @fc: frame control bytes in little-endian byteorder
347 */
348static inline int ieee80211_is_reassoc_req(__le16 fc)
349{
350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
351 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
352}
353
354/**
355 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
356 * @fc: frame control bytes in little-endian byteorder
357 */
358static inline int ieee80211_is_reassoc_resp(__le16 fc)
359{
360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
361 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
362}
363
364/**
365 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
366 * @fc: frame control bytes in little-endian byteorder
367 */
368static inline int ieee80211_is_probe_req(__le16 fc)
369{
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
371 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
372}
373
374/**
375 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
376 * @fc: frame control bytes in little-endian byteorder
377 */
378static inline int ieee80211_is_probe_resp(__le16 fc)
379{
380 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
381 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
382}
383
384/**
385 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
386 * @fc: frame control bytes in little-endian byteorder
387 */
388static inline int ieee80211_is_beacon(__le16 fc)
389{
390 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
391 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
392}
393
394/**
395 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
396 * @fc: frame control bytes in little-endian byteorder
397 */
398static inline int ieee80211_is_atim(__le16 fc)
399{
400 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
401 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
402}
403
404/**
405 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
406 * @fc: frame control bytes in little-endian byteorder
407 */
408static inline int ieee80211_is_disassoc(__le16 fc)
409{
410 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
411 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
412}
413
414/**
415 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
416 * @fc: frame control bytes in little-endian byteorder
417 */
418static inline int ieee80211_is_auth(__le16 fc)
419{
420 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
421 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
422}
423
424/**
425 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
426 * @fc: frame control bytes in little-endian byteorder
427 */
428static inline int ieee80211_is_deauth(__le16 fc)
429{
430 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
431 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
432}
433
434/**
435 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
436 * @fc: frame control bytes in little-endian byteorder
437 */
438static inline int ieee80211_is_action(__le16 fc)
439{
440 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
441 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
442}
443
444/**
445 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
446 * @fc: frame control bytes in little-endian byteorder
447 */
448static inline int ieee80211_is_back_req(__le16 fc)
449{
450 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
451 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
452}
453
454/**
455 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
456 * @fc: frame control bytes in little-endian byteorder
457 */
458static inline int ieee80211_is_back(__le16 fc)
459{
460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
461 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
462}
463
464/**
465 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
466 * @fc: frame control bytes in little-endian byteorder
467 */
468static inline int ieee80211_is_pspoll(__le16 fc)
469{
470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
471 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
472}
473
474/**
475 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
476 * @fc: frame control bytes in little-endian byteorder
477 */
478static inline int ieee80211_is_rts(__le16 fc)
479{
480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
481 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
482}
483
484/**
485 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
486 * @fc: frame control bytes in little-endian byteorder
487 */
488static inline int ieee80211_is_cts(__le16 fc)
489{
490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
491 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
492}
493
494/**
495 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
496 * @fc: frame control bytes in little-endian byteorder
497 */
498static inline int ieee80211_is_ack(__le16 fc)
499{
500 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
501 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
502}
503
504/**
505 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
506 * @fc: frame control bytes in little-endian byteorder
507 */
508static inline int ieee80211_is_cfend(__le16 fc)
509{
510 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
511 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
512}
513
514/**
515 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
516 * @fc: frame control bytes in little-endian byteorder
517 */
518static inline int ieee80211_is_cfendack(__le16 fc)
519{
520 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
521 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
522}
523
524/**
22403def 525 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
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526 * @fc: frame control bytes in little-endian byteorder
527 */
528static inline int ieee80211_is_nullfunc(__le16 fc)
529{
530 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
531 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
532}
a9de8ce0 533
22403def
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534/**
535 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
536 * @fc: frame control bytes in little-endian byteorder
537 */
538static inline int ieee80211_is_qos_nullfunc(__le16 fc)
539{
540 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
541 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
542}
543
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544struct ieee80211s_hdr {
545 u8 flags;
546 u8 ttl;
51ceddad 547 __le32 seqnum;
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548 u8 eaddr1[6];
549 u8 eaddr2[6];
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550} __attribute__ ((packed));
551
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552/* Mesh flags */
553#define MESH_FLAGS_AE_A4 0x1
554#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 555#define MESH_FLAGS_AE 0x3
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556#define MESH_FLAGS_PS_DEEP 0x4
557
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558/**
559 * struct ieee80211_quiet_ie
560 *
561 * This structure refers to "Quiet information element"
562 */
563struct ieee80211_quiet_ie {
564 u8 count;
565 u8 period;
566 __le16 duration;
567 __le16 offset;
568} __attribute__ ((packed));
569
570/**
571 * struct ieee80211_msrment_ie
572 *
573 * This structure refers to "Measurement Request/Report information element"
574 */
575struct ieee80211_msrment_ie {
576 u8 token;
577 u8 mode;
578 u8 type;
579 u8 request[0];
580} __attribute__ ((packed));
581
582/**
583 * struct ieee80211_channel_sw_ie
584 *
585 * This structure refers to "Channel Switch Announcement information element"
586 */
587struct ieee80211_channel_sw_ie {
588 u8 mode;
589 u8 new_ch_num;
590 u8 count;
591} __attribute__ ((packed));
37c57989 592
98f7dfd8
EG
593/**
594 * struct ieee80211_tim
595 *
596 * This structure refers to "Traffic Indication Map information element"
597 */
598struct ieee80211_tim_ie {
599 u8 dtim_count;
600 u8 dtim_period;
601 u8 bitmap_ctrl;
602 /* variable size: 1 - 251 bytes */
e7ec86f5 603 u8 virtual_map[1];
98f7dfd8
EG
604} __attribute__ ((packed));
605
136cfa28
RP
606/**
607 * struct ieee80211_meshconf_ie
608 *
609 * This structure refers to "Mesh Configuration information element"
610 */
611struct ieee80211_meshconf_ie {
612 u8 meshconf_psel;
613 u8 meshconf_pmetric;
614 u8 meshconf_congest;
615 u8 meshconf_synch;
616 u8 meshconf_auth;
617 u8 meshconf_form;
618 u8 meshconf_cap;
619} __attribute__ ((packed));
620
90a5e169
RP
621/**
622 * struct ieee80211_rann_ie
623 *
624 * This structure refers to "Root Announcement information element"
625 */
626struct ieee80211_rann_ie {
627 u8 rann_flags;
628 u8 rann_hopcount;
629 u8 rann_ttl;
630 u8 rann_addr[6];
631 u32 rann_seq;
25d49e4d 632 u32 rann_interval;
90a5e169
RP
633 u32 rann_metric;
634} __attribute__ ((packed));
635
5ee68e5b
JC
636enum ieee80211_rann_flags {
637 RANN_FLAG_IS_GATE = 1 << 0,
638};
639
9dfd6ba3 640#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 641
a9de8ce0
JB
642struct ieee80211_mgmt {
643 __le16 frame_control;
644 __le16 duration;
645 u8 da[6];
646 u8 sa[6];
647 u8 bssid[6];
648 __le16 seq_ctrl;
649 union {
650 struct {
651 __le16 auth_alg;
652 __le16 auth_transaction;
653 __le16 status_code;
654 /* possibly followed by Challenge text */
655 u8 variable[0];
656 } __attribute__ ((packed)) auth;
657 struct {
658 __le16 reason_code;
659 } __attribute__ ((packed)) deauth;
660 struct {
661 __le16 capab_info;
662 __le16 listen_interval;
663 /* followed by SSID and Supported rates */
664 u8 variable[0];
665 } __attribute__ ((packed)) assoc_req;
666 struct {
667 __le16 capab_info;
668 __le16 status_code;
669 __le16 aid;
670 /* followed by Supported rates */
671 u8 variable[0];
672 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
673 struct {
674 __le16 capab_info;
675 __le16 listen_interval;
676 u8 current_ap[6];
677 /* followed by SSID and Supported rates */
678 u8 variable[0];
679 } __attribute__ ((packed)) reassoc_req;
680 struct {
681 __le16 reason_code;
682 } __attribute__ ((packed)) disassoc;
683 struct {
684 __le64 timestamp;
685 __le16 beacon_int;
686 __le16 capab_info;
687 /* followed by some of SSID, Supported rates,
688 * FH Params, DS Params, CF Params, IBSS Params, TIM */
689 u8 variable[0];
690 } __attribute__ ((packed)) beacon;
691 struct {
692 /* only variable items: SSID, Supported rates */
693 u8 variable[0];
694 } __attribute__ ((packed)) probe_req;
695 struct {
696 __le64 timestamp;
697 __le16 beacon_int;
698 __le16 capab_info;
699 /* followed by some of SSID, Supported rates,
700 * FH Params, DS Params, CF Params, IBSS Params */
701 u8 variable[0];
702 } __attribute__ ((packed)) probe_resp;
703 struct {
704 u8 category;
705 union {
706 struct {
707 u8 action_code;
708 u8 dialog_token;
709 u8 status_code;
710 u8 variable[0];
711 } __attribute__ ((packed)) wme_action;
712 struct{
713 u8 action_code;
714 u8 element_id;
715 u8 length;
f2df3859 716 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 717 } __attribute__((packed)) chan_switch;
f2df3859
AK
718 struct{
719 u8 action_code;
720 u8 dialog_token;
721 u8 element_id;
722 u8 length;
723 struct ieee80211_msrment_ie msr_elem;
724 } __attribute__((packed)) measurement;
6b4e3241
RR
725 struct{
726 u8 action_code;
727 u8 dialog_token;
728 __le16 capab;
729 __le16 timeout;
730 __le16 start_seq_num;
731 } __attribute__((packed)) addba_req;
732 struct{
733 u8 action_code;
734 u8 dialog_token;
735 __le16 status;
736 __le16 capab;
737 __le16 timeout;
738 } __attribute__((packed)) addba_resp;
739 struct{
740 u8 action_code;
741 __le16 params;
742 __le16 reason_code;
743 } __attribute__((packed)) delba;
6709a6d9
TP
744 struct {
745 u8 action_code;
746 u8 variable[0];
747 } __attribute__((packed)) self_prot;
37c57989
LCC
748 struct{
749 u8 action_code;
750 u8 variable[0];
751 } __attribute__((packed)) mesh_action;
fea14732
JM
752 struct {
753 u8 action;
754 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
755 } __attribute__ ((packed)) sa_query;
0f78231b
JB
756 struct {
757 u8 action;
758 u8 smps_control;
759 } __attribute__ ((packed)) ht_smps;
a9de8ce0
JB
760 } u;
761 } __attribute__ ((packed)) action;
762 } u;
763} __attribute__ ((packed));
764
44d414db
JB
765/* mgmt header + 1 byte category code */
766#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
767
a9de8ce0 768
765cb46a
JM
769/* Management MIC information element (IEEE 802.11w) */
770struct ieee80211_mmie {
771 u8 element_id;
772 u8 length;
773 __le16 key_id;
774 u8 sequence_number[6];
775 u8 mic[8];
776} __attribute__ ((packed));
777
a9de8ce0
JB
778/* Control frames */
779struct ieee80211_rts {
780 __le16 frame_control;
781 __le16 duration;
782 u8 ra[6];
783 u8 ta[6];
784} __attribute__ ((packed));
785
786struct ieee80211_cts {
787 __le16 frame_control;
788 __le16 duration;
789 u8 ra[6];
790} __attribute__ ((packed));
791
fc6971d4
JM
792struct ieee80211_pspoll {
793 __le16 frame_control;
794 __le16 aid;
795 u8 bssid[6];
796 u8 ta[6];
797} __attribute__ ((packed));
798
6b4e3241
RR
799/**
800 * struct ieee80211_bar - HT Block Ack Request
801 *
802 * This structure refers to "HT BlockAckReq" as
803 * described in 802.11n draft section 7.2.1.7.1
804 */
805struct ieee80211_bar {
806 __le16 frame_control;
807 __le16 duration;
808 __u8 ra[6];
809 __u8 ta[6];
a8b47ea3
RR
810 __le16 control;
811 __le16 start_seq_num;
6b4e3241
RR
812} __attribute__((packed));
813
429a3805 814/* 802.11 BAR control masks */
c1407b6c
HS
815#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
816#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
817#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
818#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
819#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB
820
821#define IEEE80211_HT_MCS_MASK_LEN 10
822
823/**
824 * struct ieee80211_mcs_info - MCS information
825 * @rx_mask: RX mask
9da3e068
LR
826 * @rx_highest: highest supported RX rate. If set represents
827 * the highest supported RX data rate in units of 1 Mbps.
828 * If this field is 0 this value should not be used to
829 * consider the highest RX data rate supported.
d9fe60de
JB
830 * @tx_params: TX parameters
831 */
832struct ieee80211_mcs_info {
833 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
834 __le16 rx_highest;
835 u8 tx_params;
836 u8 reserved[3];
837} __attribute__((packed));
838
839/* 802.11n HT capability MSC set */
840#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
841#define IEEE80211_HT_MCS_TX_DEFINED 0x01
842#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
843/* value 0 == 1 stream etc */
844#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
845#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
846#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
847#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
848
849/*
850 * 802.11n D5.0 20.3.5 / 20.6 says:
851 * - indices 0 to 7 and 32 are single spatial stream
852 * - 8 to 31 are multiple spatial streams using equal modulation
853 * [8..15 for two streams, 16..23 for three and 24..31 for four]
854 * - remainder are multiple spatial streams using unequal modulation
855 */
856#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
857#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
858 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
859
6b4e3241
RR
860/**
861 * struct ieee80211_ht_cap - HT capabilities
862 *
d9fe60de
JB
863 * This structure is the "HT capabilities element" as
864 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR
865 */
866struct ieee80211_ht_cap {
867 __le16 cap_info;
868 u8 ampdu_params_info;
d9fe60de
JB
869
870 /* 16 bytes MCS information */
871 struct ieee80211_mcs_info mcs;
872
6b4e3241
RR
873 __le16 extended_ht_cap_info;
874 __le32 tx_BF_cap_info;
875 u8 antenna_selection_info;
876} __attribute__ ((packed));
877
d9fe60de
JB
878/* 802.11n HT capabilities masks (for cap_info) */
879#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
880#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
881#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 882#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB
883#define IEEE80211_HT_CAP_GRN_FLD 0x0010
884#define IEEE80211_HT_CAP_SGI_20 0x0020
885#define IEEE80211_HT_CAP_SGI_40 0x0040
886#define IEEE80211_HT_CAP_TX_STBC 0x0080
887#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 888#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB
889#define IEEE80211_HT_CAP_DELAY_BA 0x0400
890#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
891#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 892#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB
893#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
894#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
895
4dd365fd
BZ
896/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
897#define IEEE80211_HT_EXT_CAP_PCO 0x0001
898#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
899#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
900#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
901#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
902#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
903#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
904
d9fe60de
JB
905/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
906#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
907#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 908#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 909
d1eba248
S
910/*
911 * Maximum length of AMPDU that the STA can receive.
912 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
913 */
914enum ieee80211_max_ampdu_length_exp {
915 IEEE80211_HT_MAX_AMPDU_8K = 0,
916 IEEE80211_HT_MAX_AMPDU_16K = 1,
917 IEEE80211_HT_MAX_AMPDU_32K = 2,
918 IEEE80211_HT_MAX_AMPDU_64K = 3
919};
920
921#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
922
923/* Minimum MPDU start spacing */
924enum ieee80211_min_mpdu_spacing {
925 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
926 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
927 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
928 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
929 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
930 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
931 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
932 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
933};
934
6b4e3241 935/**
d9fe60de 936 * struct ieee80211_ht_info - HT information
6b4e3241 937 *
d9fe60de
JB
938 * This structure is the "HT information element" as
939 * described in 802.11n D5.0 7.3.2.58
6b4e3241 940 */
d9fe60de 941struct ieee80211_ht_info {
6b4e3241
RR
942 u8 control_chan;
943 u8 ht_param;
944 __le16 operation_mode;
945 __le16 stbc_param;
946 u8 basic_set[16];
947} __attribute__ ((packed));
948
d9fe60de
JB
949/* for ht_param */
950#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
951#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
952#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
953#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
954#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
955#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
956#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
957#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
958
959/* for operation_mode */
960#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
961#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
962#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
963#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
964#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
965#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
966#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
967
968/* for stbc_param */
969#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
970#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
971#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
972#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
973#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
974#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
975
a9de8ce0 976
44d414db
JB
977/* block-ack parameters */
978#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
979#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 980#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB
981#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
982#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
983
984/*
985 * A-PMDU buffer sizes
986 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
987 */
988#define IEEE80211_MIN_AMPDU_BUF 0x8
989#define IEEE80211_MAX_AMPDU_BUF 0x40
990
991
0f78231b 992/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW
993#define WLAN_HT_CAP_SM_PS_STATIC 0
994#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
995#define WLAN_HT_CAP_SM_PS_INVALID 2
996#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 997
0f78231b
JB
998/* for SM power control field lower two bits */
999#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1000#define WLAN_HT_SMPS_CONTROL_STATIC 1
1001#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1002
a9de8ce0
JB
1003/* Authentication algorithms */
1004#define WLAN_AUTH_OPEN 0
1005#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1006#define WLAN_AUTH_FT 2
cfdfa4d3 1007#define WLAN_AUTH_SAE 3
bb608e9d 1008#define WLAN_AUTH_LEAP 128
a9de8ce0
JB
1009
1010#define WLAN_AUTH_CHALLENGE_LEN 128
1011
1012#define WLAN_CAPABILITY_ESS (1<<0)
1013#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1014
333ba732
EP
1015/*
1016 * A mesh STA sets the ESS and IBSS capability bits to zero.
1017 * however, this holds true for p2p probe responses (in the p2p_find
1018 * phase) as well.
1019 */
1020#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC
1021 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1022
a9de8ce0
JB
1023#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1024#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1025#define WLAN_CAPABILITY_PRIVACY (1<<4)
1026#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1027#define WLAN_CAPABILITY_PBCC (1<<6)
1028#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1029
a9de8ce0
JB
1030/* 802.11h */
1031#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1032#define WLAN_CAPABILITY_QOS (1<<9)
1033#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1034#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK
1035/* measurement */
1036#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1037#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1038#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1039
1040#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1041#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1042#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1043
a9de8ce0 1044
5628221c
DD
1045/* 802.11g ERP information element */
1046#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1047#define WLAN_ERP_USE_PROTECTION (1<<1)
1048#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1049
1050/* WLAN_ERP_BARKER_PREAMBLE values */
1051enum {
1052 WLAN_ERP_PREAMBLE_SHORT = 0,
1053 WLAN_ERP_PREAMBLE_LONG = 1,
1054};
1055
a9de8ce0
JB
1056/* Status codes */
1057enum ieee80211_statuscode {
1058 WLAN_STATUS_SUCCESS = 0,
1059 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1060 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1061 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1062 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1063 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1064 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1065 WLAN_STATUS_CHALLENGE_FAIL = 15,
1066 WLAN_STATUS_AUTH_TIMEOUT = 16,
1067 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1068 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1069 /* 802.11b */
1070 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1071 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1072 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1073 /* 802.11h */
1074 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1075 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1076 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1077 /* 802.11g */
1078 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1079 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM
1080 /* 802.11w */
1081 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1082 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB
1083 /* 802.11i */
1084 WLAN_STATUS_INVALID_IE = 40,
1085 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1086 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1087 WLAN_STATUS_INVALID_AKMP = 43,
1088 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1089 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1090 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR
1091 /* 802.11e */
1092 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1093 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1094 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1095 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1096 WLAN_STATUS_REQUEST_DECLINED = 37,
1097 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1098 WLAN_STATUS_CHANGE_TSPEC = 39,
1099 WLAN_STATUS_WAIT_TS_DELAY = 47,
1100 WLAN_STATUS_NO_DIRECT_LINK = 48,
1101 WLAN_STATUS_STA_NOT_PRESENT = 49,
1102 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S
1103 /* 802.11s */
1104 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1105 WLAN_STATUS_FCG_NOT_SUPP = 78,
1106 WLAN_STATUS_STA_NO_TBTT = 78,
a9de8ce0
JB
1107};
1108
1109
1110/* Reason codes */
1111enum ieee80211_reasoncode {
1112 WLAN_REASON_UNSPECIFIED = 1,
1113 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1114 WLAN_REASON_DEAUTH_LEAVING = 3,
1115 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1116 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1117 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1118 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1119 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1120 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1121 /* 802.11h */
1122 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1123 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1124 /* 802.11i */
1125 WLAN_REASON_INVALID_IE = 13,
1126 WLAN_REASON_MIC_FAILURE = 14,
1127 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1128 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1129 WLAN_REASON_IE_DIFFERENT = 17,
1130 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1131 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1132 WLAN_REASON_INVALID_AKMP = 20,
1133 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1134 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1135 WLAN_REASON_IEEE8021X_FAILED = 23,
1136 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR
1137 /* 802.11e */
1138 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1139 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1140 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1141 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1142 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1143 WLAN_REASON_QSTA_NOT_USE = 37,
1144 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1145 WLAN_REASON_QSTA_TIMEOUT = 39,
1146 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S
1147 /* 802.11s */
1148 WLAN_REASON_MESH_PEER_CANCELED = 52,
1149 WLAN_REASON_MESH_MAX_PEERS = 53,
1150 WLAN_REASON_MESH_CONFIG = 54,
1151 WLAN_REASON_MESH_CLOSE = 55,
1152 WLAN_REASON_MESH_MAX_RETRIES = 56,
1153 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1154 WLAN_REASON_MESH_INVALID_GTK = 58,
1155 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1156 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1157 WLAN_REASON_MESH_PATH_ERROR = 61,
1158 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1159 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1160 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1161 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1162 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB
1163};
1164
1165
1166/* Information Element IDs */
1167enum ieee80211_eid {
1168 WLAN_EID_SSID = 0,
1169 WLAN_EID_SUPP_RATES = 1,
1170 WLAN_EID_FH_PARAMS = 2,
1171 WLAN_EID_DS_PARAMS = 3,
1172 WLAN_EID_CF_PARAMS = 4,
1173 WLAN_EID_TIM = 5,
1174 WLAN_EID_IBSS_PARAMS = 6,
1175 WLAN_EID_CHALLENGE = 16,
8e664fb3 1176
a9de8ce0
JB
1177 WLAN_EID_COUNTRY = 7,
1178 WLAN_EID_HP_PARAMS = 8,
1179 WLAN_EID_HP_TABLE = 9,
1180 WLAN_EID_REQUEST = 10,
8e664fb3 1181
6b4e3241
RR
1182 WLAN_EID_QBSS_LOAD = 11,
1183 WLAN_EID_EDCA_PARAM_SET = 12,
1184 WLAN_EID_TSPEC = 13,
1185 WLAN_EID_TCLAS = 14,
1186 WLAN_EID_SCHEDULE = 15,
1187 WLAN_EID_TS_DELAY = 43,
1188 WLAN_EID_TCLAS_PROCESSING = 44,
1189 WLAN_EID_QOS_CAPA = 46,
cfdfa4d3
S
1190 /* 802.11s */
1191 WLAN_EID_MESH_CONFIG = 113,
1192 WLAN_EID_MESH_ID = 114,
1193 WLAN_EID_LINK_METRIC_REPORT = 115,
1194 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S
1195 WLAN_EID_PEER_MGMT = 117,
1196 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1197 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1198 WLAN_EID_BEACON_TIMING = 120,
1199 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1200 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1201 WLAN_EID_MCCAOP_ADVERT = 123,
1202 WLAN_EID_MCCAOP_TEARDOWN = 124,
1203 WLAN_EID_GANN = 125,
1204 WLAN_EID_RANN = 126,
1205 WLAN_EID_PREQ = 130,
1206 WLAN_EID_PREP = 131,
1207 WLAN_EID_PERR = 132,
1208 WLAN_EID_PXU = 137,
1209 WLAN_EID_PXUC = 138,
1210 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1211 WLAN_EID_MIC = 140,
8e664fb3 1212
a9de8ce0
JB
1213 WLAN_EID_PWR_CONSTRAINT = 32,
1214 WLAN_EID_PWR_CAPABILITY = 33,
1215 WLAN_EID_TPC_REQUEST = 34,
1216 WLAN_EID_TPC_REPORT = 35,
1217 WLAN_EID_SUPPORTED_CHANNELS = 36,
1218 WLAN_EID_CHANNEL_SWITCH = 37,
1219 WLAN_EID_MEASURE_REQUEST = 38,
1220 WLAN_EID_MEASURE_REPORT = 39,
1221 WLAN_EID_QUIET = 40,
1222 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1223
a9de8ce0
JB
1224 WLAN_EID_ERP_INFO = 42,
1225 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1226
6b4e3241 1227 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1228 WLAN_EID_HT_INFORMATION = 61,
8e664fb3 1229
a9de8ce0 1230 WLAN_EID_RSN = 48,
8e664fb3 1231 WLAN_EID_MMIE = 76,
a9de8ce0
JB
1232 WLAN_EID_WPA = 221,
1233 WLAN_EID_GENERIC = 221,
1234 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB
1235 WLAN_EID_QOS_PARAMETER = 222,
1236
1237 WLAN_EID_AP_CHAN_REPORT = 51,
1238 WLAN_EID_NEIGHBOR_REPORT = 52,
1239 WLAN_EID_RCPI = 53,
1240 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1241 WLAN_EID_ANTENNA_INFO = 64,
1242 WLAN_EID_RSNI = 65,
1243 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1244 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1245 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1246 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1247 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK
1248 WLAN_EID_BSS_COEX_2040 = 72,
1249 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1250 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB
1251
1252 WLAN_EID_MOBILITY_DOMAIN = 54,
1253 WLAN_EID_FAST_BSS_TRANSITION = 55,
1254 WLAN_EID_TIMEOUT_INTERVAL = 56,
1255 WLAN_EID_RIC_DATA = 57,
1256 WLAN_EID_RIC_DESCRIPTOR = 75,
1257
1258 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1259 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1260 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
a9de8ce0
JB
1261};
1262
6b4e3241
RR
1263/* Action category code */
1264enum ieee80211_category {
1265 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1266 WLAN_CATEGORY_QOS = 1,
1267 WLAN_CATEGORY_DLS = 2,
1268 WLAN_CATEGORY_BACK = 3,
fb733336 1269 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1270 WLAN_CATEGORY_HT = 7,
fea14732 1271 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1272 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
cfdfa4d3
S
1273 WLAN_CATEGORY_MESH_ACTION = 13,
1274 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1275 WLAN_CATEGORY_SELF_PROTECTED = 15,
6b4e3241 1276 WLAN_CATEGORY_WMM = 17,
528769cf
JM
1277 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1278 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR
1279};
1280
f2df3859
AK
1281/* SPECTRUM_MGMT action code */
1282enum ieee80211_spectrum_mgmt_actioncode {
1283 WLAN_ACTION_SPCT_MSR_REQ = 0,
1284 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1285 WLAN_ACTION_SPCT_TPC_REQ = 2,
1286 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1287 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1288};
1289
0f78231b
JB
1290/* HT action codes */
1291enum ieee80211_ht_actioncode {
1292 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1293 WLAN_HT_ACTION_SMPS = 1,
1294 WLAN_HT_ACTION_PSMP = 2,
1295 WLAN_HT_ACTION_PCO_PHASE = 3,
1296 WLAN_HT_ACTION_CSI = 4,
1297 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1298 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1299 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1300};
1301
6709a6d9
TP
1302/* Self Protected Action codes */
1303enum ieee80211_self_protected_actioncode {
1304 WLAN_SP_RESERVED = 0,
1305 WLAN_SP_MESH_PEERING_OPEN = 1,
1306 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1307 WLAN_SP_MESH_PEERING_CLOSE = 3,
1308 WLAN_SP_MGK_INFORM = 4,
1309 WLAN_SP_MGK_ACK = 5,
1310};
1311
36c704fd
TP
1312/* Mesh action codes */
1313enum ieee80211_mesh_actioncode {
1314 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1315 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1316 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1317 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1318 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1319 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1320 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1321 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1322 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1323 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1324 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1325};
1326
e31a16d6
ZY
1327/* Security key length */
1328enum ieee80211_key_len {
1329 WLAN_KEY_LEN_WEP40 = 5,
1330 WLAN_KEY_LEN_WEP104 = 13,
1331 WLAN_KEY_LEN_CCMP = 16,
1332 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1333 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY
1334};
1335
c80d545d
JC
1336/**
1337 * enum - mesh path selection protocol identifier
1338 *
1339 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1340 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1341 * be specified in a vendor specific information element
1342 */
1343enum {
1344 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1345 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1346};
1347
1348/**
1349 * enum - mesh path selection metric identifier
1350 *
1351 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1352 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1353 * specified in a vendor specific information element
1354 */
1355enum {
1356 IEEE80211_PATH_METRIC_AIRTIME = 0,
1357 IEEE80211_PATH_METRIC_VENDOR = 255,
1358};
1359
1360
3f2355cb
LR
1361/*
1362 * IEEE 802.11-2007 7.3.2.9 Country information element
1363 *
1364 * Minimum length is 8 octets, ie len must be evenly
1365 * divisible by 2
1366 */
1367
1368/* Although the spec says 8 I'm seeing 6 in practice */
1369#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1370
80751e2b
BZ
1371/* The Country String field of the element shall be 3 octets in length */
1372#define IEEE80211_COUNTRY_STRING_LEN 3
1373
3f2355cb
LR
1374/*
1375 * For regulatory extension stuff see IEEE 802.11-2007
1376 * Annex I (page 1141) and Annex J (page 1147). Also
1377 * review 7.3.2.9.
1378 *
1379 * When dot11RegulatoryClassesRequired is true and the
1380 * first_channel/reg_extension_id is >= 201 then the IE
1381 * compromises of the 'ext' struct represented below:
1382 *
1383 * - Regulatory extension ID - when generating IE this just needs
1384 * to be monotonically increasing for each triplet passed in
1385 * the IE
1386 * - Regulatory class - index into set of rules
1387 * - Coverage class - index into air propagation time (Table 7-27),
1388 * in microseconds, you can compute the air propagation time from
1389 * the index by multiplying by 3, so index 10 yields a propagation
1390 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1391 * yet. A value of 0 inicates air propagation of <= 1 us.
1392 *
1393 * See also Table I.2 for Emission limit sets and table
1394 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1395 * a reg_class to an emission limit set and behavior limit set.
1396 */
1397#define IEEE80211_COUNTRY_EXTENSION_ID 201
1398
1399/*
1400 * Channels numbers in the IE must be monotonically increasing
1401 * if dot11RegulatoryClassesRequired is not true.
1402 *
1403 * If dot11RegulatoryClassesRequired is true consecutive
1404 * subband triplets following a regulatory triplet shall
1405 * have monotonically increasing first_channel number fields.
1406 *
1407 * Channel numbers shall not overlap.
1408 *
1409 * Note that max_power is signed.
1410 */
1411struct ieee80211_country_ie_triplet {
1412 union {
1413 struct {
1414 u8 first_channel;
1415 u8 num_channels;
1416 s8 max_power;
1417 } __attribute__ ((packed)) chans;
1418 struct {
1419 u8 reg_extension_id;
1420 u8 reg_class;
1421 u8 coverage_class;
1422 } __attribute__ ((packed)) ext;
1423 };
1424} __attribute__ ((packed));
1425
f797eb7e
JM
1426enum ieee80211_timeout_interval_type {
1427 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1428 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1429 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1430};
1431
6b4e3241
RR
1432/* BACK action code */
1433enum ieee80211_back_actioncode {
1434 WLAN_ACTION_ADDBA_REQ = 0,
1435 WLAN_ACTION_ADDBA_RESP = 1,
1436 WLAN_ACTION_DELBA = 2,
1437};
1438
07db2183
RR
1439/* BACK (block-ack) parties */
1440enum ieee80211_back_parties {
1441 WLAN_BACK_RECIPIENT = 0,
1442 WLAN_BACK_INITIATOR = 1,
07db2183
RR
1443};
1444
fea14732
JM
1445/* SA Query action */
1446enum ieee80211_sa_query_action {
1447 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1448 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1449};
1450
1451
a9de8ce0
JB
1452/* cipher suite selectors */
1453#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1454#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1455#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1456/* reserved: 0x000FAC03 */
1457#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1458#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1459#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1460
6a669e65
JB
1461/* AKM suite selectors */
1462#define WLAN_AKM_SUITE_8021X 0x000FAC01
1463#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S
1464#define WLAN_AKM_SUITE_SAE 0x000FAC08
1465#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1466
a9de8ce0
JB
1467#define WLAN_MAX_KEY_LEN 32
1468
67fbb16b
SO
1469#define WLAN_PMKID_LEN 16
1470
856799d5
KV
1471/*
1472 * WMM/802.11e Tspec Element
1473 */
1474#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1475#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1476
1477enum ieee80211_tspec_status_code {
1478 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1479 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1480};
1481
1482struct ieee80211_tspec_ie {
1483 u8 element_id;
1484 u8 len;
1485 u8 oui[3];
1486 u8 oui_type;
1487 u8 oui_subtype;
1488 u8 version;
1489 __le16 tsinfo;
1490 u8 tsinfo_resvd;
1491 __le16 nominal_msdu;
1492 __le16 max_msdu;
1493 __le32 min_service_int;
1494 __le32 max_service_int;
1495 __le32 inactivity_int;
1496 __le32 suspension_int;
1497 __le32 service_start_time;
1498 __le32 min_data_rate;
1499 __le32 mean_data_rate;
1500 __le32 peak_data_rate;
1501 __le32 max_burst_size;
1502 __le32 delay_bound;
1503 __le32 min_phy_rate;
1504 __le16 sba;
1505 __le16 medium_time;
1506} __packed;
1507
fd7c8a40
HH
1508/**
1509 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1510 * @hdr: the frame
1511 *
1512 * The qos ctrl bytes come after the frame_control, duration, seq_num
1513 * and 3 or 4 addresses of length ETH_ALEN.
1514 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1515 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1516 */
1517static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1518{
1519 if (ieee80211_has_a4(hdr->frame_control))
1520 return (u8 *)hdr + 30;
1521 else
1522 return (u8 *)hdr + 24;
1523}
1524
f97df02e
JB
1525/**
1526 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1527 * @hdr: the frame
f97df02e
JB
1528 *
1529 * Given an 802.11 frame, this function returns the offset
1530 * to the source address (SA). It does not verify that the
1531 * header is long enough to contain the address, and the
1532 * header must be long enough to contain the frame control
1533 * field.
f97df02e
JB
1534 */
1535static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1536{
fd7c8a40 1537 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1538 return hdr->addr4;
fd7c8a40
HH
1539 if (ieee80211_has_fromds(hdr->frame_control))
1540 return hdr->addr3;
1541 return hdr->addr2;
f97df02e
JB
1542}
1543
1544/**
1545 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1546 * @hdr: the frame
f97df02e
JB
1547 *
1548 * Given an 802.11 frame, this function returns the offset
1549 * to the destination address (DA). It does not verify that
1550 * the header is long enough to contain the address, and the
1551 * header must be long enough to contain the frame control
1552 * field.
f97df02e
JB
1553 */
1554static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1555{
fd7c8a40 1556 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1557 return hdr->addr3;
5a433b3a
HH
1558 else
1559 return hdr->addr1;
f97df02e
JB
1560}
1561
fb733336
JM
1562/**
1563 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1564 * @hdr: the frame (buffer must include at least the first octet of payload)
1565 */
1566static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1567{
1568 if (ieee80211_is_disassoc(hdr->frame_control) ||
1569 ieee80211_is_deauth(hdr->frame_control))
1570 return true;
1571
1572 if (ieee80211_is_action(hdr->frame_control)) {
1573 u8 *category;
1574
1575 /*
1576 * Action frames, excluding Public Action frames, are Robust
1577 * Management Frames. However, if we are looking at a Protected
1578 * frame, skip the check since the data may be encrypted and
1579 * the frame has already been found to be a Robust Management
1580 * Frame (by the other end).
1581 */
1582 if (ieee80211_has_protected(hdr->frame_control))
1583 return true;
1584 category = ((u8 *) hdr) + 24;
528769cf
JM
1585 return *category != WLAN_CATEGORY_PUBLIC &&
1586 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1587 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1588 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM
1589 }
1590
1591 return false;
1592}
1593
9ee677c2
DK
1594/**
1595 * ieee80211_fhss_chan_to_freq - get channel frequency
1596 * @channel: the FHSS channel
1597 *
1598 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1599 * Ref IEEE 802.11-2007 section 14.6
1600 */
1601static inline int ieee80211_fhss_chan_to_freq(int channel)
1602{
1603 if ((channel > 1) && (channel < 96))
1604 return channel + 2400;
1605 else
1606 return -1;
1607}
1608
1609/**
1610 * ieee80211_freq_to_fhss_chan - get channel
1611 * @freq: the channels frequency
1612 *
1613 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1614 * Ref IEEE 802.11-2007 section 14.6
1615 */
1616static inline int ieee80211_freq_to_fhss_chan(int freq)
1617{
1618 if ((freq > 2401) && (freq < 2496))
1619 return freq - 2400;
1620 else
1621 return -1;
1622}
1623
1624/**
1625 * ieee80211_dsss_chan_to_freq - get channel center frequency
1626 * @channel: the DSSS channel
1627 *
1628 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1629 * Ref IEEE 802.11-2007 section 15.6
1630 */
1631static inline int ieee80211_dsss_chan_to_freq(int channel)
1632{
1633 if ((channel > 0) && (channel < 14))
1634 return 2407 + (channel * 5);
1635 else if (channel == 14)
1636 return 2484;
1637 else
1638 return -1;
1639}
1640
1641/**
1642 * ieee80211_freq_to_dsss_chan - get channel
1643 * @freq: the frequency
1644 *
1645 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1646 * Ref IEEE 802.11-2007 section 15.6
1647 *
1648 * This routine selects the channel with the closest center frequency.
1649 */
1650static inline int ieee80211_freq_to_dsss_chan(int freq)
1651{
1652 if ((freq >= 2410) && (freq < 2475))
1653 return (freq - 2405) / 5;
1654 else if ((freq >= 2482) && (freq < 2487))
1655 return 14;
1656 else
1657 return -1;
1658}
1659
1660/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1661 * Ref IEEE 802.11-2007 section 18.4.6.2
1662 *
1663 * The channels and frequencies are the same as those defined for DSSS
1664 */
1665#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1666#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1667
1668/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1669 * Ref IEEE 802.11-2007 section 19.4.2
1670 */
1671#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1672#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1673
1674/**
1675 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1676 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1677 * @channel: the OFDM channel
1678 *
1679 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1680 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1681 */
1682static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1683{
1684 if ((channel > 0) && (channel <= 200) &&
1685 (s_freq >= 4000))
1686 return s_freq + (channel * 5);
1687 else
1688 return -1;
1689}
1690
1691/**
1692 * ieee80211_freq_to_ofdm_channel - get channel
1693 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1694 * @freq: the frequency
1695 *
1696 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1697 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1698 *
1699 * This routine selects the channel with the closest center frequency.
1700 */
1701static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1702{
1703 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1704 (s_freq >= 4000))
1705 return (freq + 2 - s_freq) / 5;
1706 else
1707 return -1;
1708}
1709
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JB
1710/**
1711 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1712 * @tu: the TUs
1713 */
1714static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1715{
1716 return 1024 * tu;
1717}
1718
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JB
1719/**
1720 * ieee80211_check_tim - check if AID bit is set in TIM
1721 * @tim: the TIM IE
1722 * @tim_len: length of the TIM IE
1723 * @aid: the AID to look for
1724 */
1725static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1726 u8 tim_len, u16 aid)
1727{
1728 u8 mask;
1729 u8 index, indexn1, indexn2;
1730
1731 if (unlikely(!tim || tim_len < sizeof(*tim)))
1732 return false;
1733
1734 aid &= 0x3fff;
1735 index = aid / 8;
1736 mask = 1 << (aid & 7);
1737
1738 indexn1 = tim->bitmap_ctrl & 0xfe;
1739 indexn2 = tim_len + indexn1 - 4;
1740
1741 if (index < indexn1 || index > indexn2)
1742 return false;
1743
1744 index -= indexn1;
1745
1746 return !!(tim->virtual_map[index] & mask);
1747}
1748
9387b7ca 1749#endif /* LINUX_IEEE80211_H */
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