mac80211: fix mesh path flushing
[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
9dfd6ba3 636#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 637
a9de8ce0
JB
638struct ieee80211_mgmt {
639 __le16 frame_control;
640 __le16 duration;
641 u8 da[6];
642 u8 sa[6];
643 u8 bssid[6];
644 __le16 seq_ctrl;
645 union {
646 struct {
647 __le16 auth_alg;
648 __le16 auth_transaction;
649 __le16 status_code;
650 /* possibly followed by Challenge text */
651 u8 variable[0];
652 } __attribute__ ((packed)) auth;
653 struct {
654 __le16 reason_code;
655 } __attribute__ ((packed)) deauth;
656 struct {
657 __le16 capab_info;
658 __le16 listen_interval;
659 /* followed by SSID and Supported rates */
660 u8 variable[0];
661 } __attribute__ ((packed)) assoc_req;
662 struct {
663 __le16 capab_info;
664 __le16 status_code;
665 __le16 aid;
666 /* followed by Supported rates */
667 u8 variable[0];
668 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
669 struct {
670 __le16 capab_info;
671 __le16 listen_interval;
672 u8 current_ap[6];
673 /* followed by SSID and Supported rates */
674 u8 variable[0];
675 } __attribute__ ((packed)) reassoc_req;
676 struct {
677 __le16 reason_code;
678 } __attribute__ ((packed)) disassoc;
679 struct {
680 __le64 timestamp;
681 __le16 beacon_int;
682 __le16 capab_info;
683 /* followed by some of SSID, Supported rates,
684 * FH Params, DS Params, CF Params, IBSS Params, TIM */
685 u8 variable[0];
686 } __attribute__ ((packed)) beacon;
687 struct {
688 /* only variable items: SSID, Supported rates */
689 u8 variable[0];
690 } __attribute__ ((packed)) probe_req;
691 struct {
692 __le64 timestamp;
693 __le16 beacon_int;
694 __le16 capab_info;
695 /* followed by some of SSID, Supported rates,
696 * FH Params, DS Params, CF Params, IBSS Params */
697 u8 variable[0];
698 } __attribute__ ((packed)) probe_resp;
699 struct {
700 u8 category;
701 union {
702 struct {
703 u8 action_code;
704 u8 dialog_token;
705 u8 status_code;
706 u8 variable[0];
707 } __attribute__ ((packed)) wme_action;
708 struct{
709 u8 action_code;
710 u8 element_id;
711 u8 length;
f2df3859 712 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 713 } __attribute__((packed)) chan_switch;
f2df3859
AK
714 struct{
715 u8 action_code;
716 u8 dialog_token;
717 u8 element_id;
718 u8 length;
719 struct ieee80211_msrment_ie msr_elem;
720 } __attribute__((packed)) measurement;
6b4e3241
RR
721 struct{
722 u8 action_code;
723 u8 dialog_token;
724 __le16 capab;
725 __le16 timeout;
726 __le16 start_seq_num;
727 } __attribute__((packed)) addba_req;
728 struct{
729 u8 action_code;
730 u8 dialog_token;
731 __le16 status;
732 __le16 capab;
733 __le16 timeout;
734 } __attribute__((packed)) addba_resp;
735 struct{
736 u8 action_code;
737 __le16 params;
738 __le16 reason_code;
739 } __attribute__((packed)) delba;
6709a6d9
TP
740 struct {
741 u8 action_code;
742 u8 variable[0];
743 } __attribute__((packed)) self_prot;
37c57989
LCC
744 struct{
745 u8 action_code;
746 u8 variable[0];
747 } __attribute__((packed)) mesh_action;
fea14732
JM
748 struct {
749 u8 action;
750 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
751 } __attribute__ ((packed)) sa_query;
0f78231b
JB
752 struct {
753 u8 action;
754 u8 smps_control;
755 } __attribute__ ((packed)) ht_smps;
a9de8ce0
JB
756 } u;
757 } __attribute__ ((packed)) action;
758 } u;
759} __attribute__ ((packed));
760
44d414db
JB
761/* mgmt header + 1 byte category code */
762#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
763
a9de8ce0 764
765cb46a
JM
765/* Management MIC information element (IEEE 802.11w) */
766struct ieee80211_mmie {
767 u8 element_id;
768 u8 length;
769 __le16 key_id;
770 u8 sequence_number[6];
771 u8 mic[8];
772} __attribute__ ((packed));
773
a9de8ce0
JB
774/* Control frames */
775struct ieee80211_rts {
776 __le16 frame_control;
777 __le16 duration;
778 u8 ra[6];
779 u8 ta[6];
780} __attribute__ ((packed));
781
782struct ieee80211_cts {
783 __le16 frame_control;
784 __le16 duration;
785 u8 ra[6];
786} __attribute__ ((packed));
787
fc6971d4
JM
788struct ieee80211_pspoll {
789 __le16 frame_control;
790 __le16 aid;
791 u8 bssid[6];
792 u8 ta[6];
793} __attribute__ ((packed));
794
6b4e3241
RR
795/**
796 * struct ieee80211_bar - HT Block Ack Request
797 *
798 * This structure refers to "HT BlockAckReq" as
799 * described in 802.11n draft section 7.2.1.7.1
800 */
801struct ieee80211_bar {
802 __le16 frame_control;
803 __le16 duration;
804 __u8 ra[6];
805 __u8 ta[6];
a8b47ea3
RR
806 __le16 control;
807 __le16 start_seq_num;
6b4e3241
RR
808} __attribute__((packed));
809
429a3805 810/* 802.11 BAR control masks */
c1407b6c
HS
811#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
812#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
813#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
814#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
815#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB
816
817#define IEEE80211_HT_MCS_MASK_LEN 10
818
819/**
820 * struct ieee80211_mcs_info - MCS information
821 * @rx_mask: RX mask
9da3e068
LR
822 * @rx_highest: highest supported RX rate. If set represents
823 * the highest supported RX data rate in units of 1 Mbps.
824 * If this field is 0 this value should not be used to
825 * consider the highest RX data rate supported.
d9fe60de
JB
826 * @tx_params: TX parameters
827 */
828struct ieee80211_mcs_info {
829 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
830 __le16 rx_highest;
831 u8 tx_params;
832 u8 reserved[3];
833} __attribute__((packed));
834
835/* 802.11n HT capability MSC set */
836#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
837#define IEEE80211_HT_MCS_TX_DEFINED 0x01
838#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
839/* value 0 == 1 stream etc */
840#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
841#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
842#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
843#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
844
845/*
846 * 802.11n D5.0 20.3.5 / 20.6 says:
847 * - indices 0 to 7 and 32 are single spatial stream
848 * - 8 to 31 are multiple spatial streams using equal modulation
849 * [8..15 for two streams, 16..23 for three and 24..31 for four]
850 * - remainder are multiple spatial streams using unequal modulation
851 */
852#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
853#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
854 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
855
6b4e3241
RR
856/**
857 * struct ieee80211_ht_cap - HT capabilities
858 *
d9fe60de
JB
859 * This structure is the "HT capabilities element" as
860 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR
861 */
862struct ieee80211_ht_cap {
863 __le16 cap_info;
864 u8 ampdu_params_info;
d9fe60de
JB
865
866 /* 16 bytes MCS information */
867 struct ieee80211_mcs_info mcs;
868
6b4e3241
RR
869 __le16 extended_ht_cap_info;
870 __le32 tx_BF_cap_info;
871 u8 antenna_selection_info;
872} __attribute__ ((packed));
873
d9fe60de
JB
874/* 802.11n HT capabilities masks (for cap_info) */
875#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
876#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
877#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 878#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB
879#define IEEE80211_HT_CAP_GRN_FLD 0x0010
880#define IEEE80211_HT_CAP_SGI_20 0x0020
881#define IEEE80211_HT_CAP_SGI_40 0x0040
882#define IEEE80211_HT_CAP_TX_STBC 0x0080
883#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 884#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB
885#define IEEE80211_HT_CAP_DELAY_BA 0x0400
886#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
887#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 888#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB
889#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
890#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
891
4dd365fd
BZ
892/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
893#define IEEE80211_HT_EXT_CAP_PCO 0x0001
894#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
895#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
896#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
897#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
898#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
899#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
900
d9fe60de
JB
901/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
902#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
903#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 904#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 905
d1eba248
S
906/*
907 * Maximum length of AMPDU that the STA can receive.
908 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
909 */
910enum ieee80211_max_ampdu_length_exp {
911 IEEE80211_HT_MAX_AMPDU_8K = 0,
912 IEEE80211_HT_MAX_AMPDU_16K = 1,
913 IEEE80211_HT_MAX_AMPDU_32K = 2,
914 IEEE80211_HT_MAX_AMPDU_64K = 3
915};
916
917#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
918
919/* Minimum MPDU start spacing */
920enum ieee80211_min_mpdu_spacing {
921 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
922 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
923 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
924 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
925 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
926 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
927 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
928 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
929};
930
6b4e3241 931/**
d9fe60de 932 * struct ieee80211_ht_info - HT information
6b4e3241 933 *
d9fe60de
JB
934 * This structure is the "HT information element" as
935 * described in 802.11n D5.0 7.3.2.58
6b4e3241 936 */
d9fe60de 937struct ieee80211_ht_info {
6b4e3241
RR
938 u8 control_chan;
939 u8 ht_param;
940 __le16 operation_mode;
941 __le16 stbc_param;
942 u8 basic_set[16];
943} __attribute__ ((packed));
944
d9fe60de
JB
945/* for ht_param */
946#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
947#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
948#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
949#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
950#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
951#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
952#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
953#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
954
955/* for operation_mode */
956#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
957#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
958#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
959#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
960#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
961#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
962#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
963
964/* for stbc_param */
965#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
966#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
967#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
968#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
969#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
970#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
971
a9de8ce0 972
44d414db
JB
973/* block-ack parameters */
974#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
975#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 976#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB
977#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
978#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
979
980/*
981 * A-PMDU buffer sizes
982 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
983 */
984#define IEEE80211_MIN_AMPDU_BUF 0x8
985#define IEEE80211_MAX_AMPDU_BUF 0x40
986
987
0f78231b 988/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW
989#define WLAN_HT_CAP_SM_PS_STATIC 0
990#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
991#define WLAN_HT_CAP_SM_PS_INVALID 2
992#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 993
0f78231b
JB
994/* for SM power control field lower two bits */
995#define WLAN_HT_SMPS_CONTROL_DISABLED 0
996#define WLAN_HT_SMPS_CONTROL_STATIC 1
997#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
998
a9de8ce0
JB
999/* Authentication algorithms */
1000#define WLAN_AUTH_OPEN 0
1001#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1002#define WLAN_AUTH_FT 2
cfdfa4d3 1003#define WLAN_AUTH_SAE 3
bb608e9d 1004#define WLAN_AUTH_LEAP 128
a9de8ce0
JB
1005
1006#define WLAN_AUTH_CHALLENGE_LEN 128
1007
1008#define WLAN_CAPABILITY_ESS (1<<0)
1009#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1010
333ba732
EP
1011/*
1012 * A mesh STA sets the ESS and IBSS capability bits to zero.
1013 * however, this holds true for p2p probe responses (in the p2p_find
1014 * phase) as well.
1015 */
1016#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC
1017 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1018
a9de8ce0
JB
1019#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1020#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1021#define WLAN_CAPABILITY_PRIVACY (1<<4)
1022#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1023#define WLAN_CAPABILITY_PBCC (1<<6)
1024#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1025
a9de8ce0
JB
1026/* 802.11h */
1027#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1028#define WLAN_CAPABILITY_QOS (1<<9)
1029#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1030#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK
1031/* measurement */
1032#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1033#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1034#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1035
1036#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1037#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1038#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1039
a9de8ce0 1040
5628221c
DD
1041/* 802.11g ERP information element */
1042#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1043#define WLAN_ERP_USE_PROTECTION (1<<1)
1044#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1045
1046/* WLAN_ERP_BARKER_PREAMBLE values */
1047enum {
1048 WLAN_ERP_PREAMBLE_SHORT = 0,
1049 WLAN_ERP_PREAMBLE_LONG = 1,
1050};
1051
a9de8ce0
JB
1052/* Status codes */
1053enum ieee80211_statuscode {
1054 WLAN_STATUS_SUCCESS = 0,
1055 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1056 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1057 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1058 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1059 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1060 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1061 WLAN_STATUS_CHALLENGE_FAIL = 15,
1062 WLAN_STATUS_AUTH_TIMEOUT = 16,
1063 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1064 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1065 /* 802.11b */
1066 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1067 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1068 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1069 /* 802.11h */
1070 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1071 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1072 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1073 /* 802.11g */
1074 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1075 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM
1076 /* 802.11w */
1077 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1078 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB
1079 /* 802.11i */
1080 WLAN_STATUS_INVALID_IE = 40,
1081 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1082 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1083 WLAN_STATUS_INVALID_AKMP = 43,
1084 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1085 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1086 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR
1087 /* 802.11e */
1088 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1089 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1090 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1091 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1092 WLAN_STATUS_REQUEST_DECLINED = 37,
1093 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1094 WLAN_STATUS_CHANGE_TSPEC = 39,
1095 WLAN_STATUS_WAIT_TS_DELAY = 47,
1096 WLAN_STATUS_NO_DIRECT_LINK = 48,
1097 WLAN_STATUS_STA_NOT_PRESENT = 49,
1098 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S
1099 /* 802.11s */
1100 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1101 WLAN_STATUS_FCG_NOT_SUPP = 78,
1102 WLAN_STATUS_STA_NO_TBTT = 78,
a9de8ce0
JB
1103};
1104
1105
1106/* Reason codes */
1107enum ieee80211_reasoncode {
1108 WLAN_REASON_UNSPECIFIED = 1,
1109 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1110 WLAN_REASON_DEAUTH_LEAVING = 3,
1111 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1112 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1113 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1114 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1115 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1116 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1117 /* 802.11h */
1118 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1119 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1120 /* 802.11i */
1121 WLAN_REASON_INVALID_IE = 13,
1122 WLAN_REASON_MIC_FAILURE = 14,
1123 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1124 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1125 WLAN_REASON_IE_DIFFERENT = 17,
1126 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1127 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1128 WLAN_REASON_INVALID_AKMP = 20,
1129 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1130 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1131 WLAN_REASON_IEEE8021X_FAILED = 23,
1132 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR
1133 /* 802.11e */
1134 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1135 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1136 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1137 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1138 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1139 WLAN_REASON_QSTA_NOT_USE = 37,
1140 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1141 WLAN_REASON_QSTA_TIMEOUT = 39,
1142 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S
1143 /* 802.11s */
1144 WLAN_REASON_MESH_PEER_CANCELED = 52,
1145 WLAN_REASON_MESH_MAX_PEERS = 53,
1146 WLAN_REASON_MESH_CONFIG = 54,
1147 WLAN_REASON_MESH_CLOSE = 55,
1148 WLAN_REASON_MESH_MAX_RETRIES = 56,
1149 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1150 WLAN_REASON_MESH_INVALID_GTK = 58,
1151 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1152 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1153 WLAN_REASON_MESH_PATH_ERROR = 61,
1154 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1155 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1156 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1157 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1158 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB
1159};
1160
1161
1162/* Information Element IDs */
1163enum ieee80211_eid {
1164 WLAN_EID_SSID = 0,
1165 WLAN_EID_SUPP_RATES = 1,
1166 WLAN_EID_FH_PARAMS = 2,
1167 WLAN_EID_DS_PARAMS = 3,
1168 WLAN_EID_CF_PARAMS = 4,
1169 WLAN_EID_TIM = 5,
1170 WLAN_EID_IBSS_PARAMS = 6,
1171 WLAN_EID_CHALLENGE = 16,
8e664fb3 1172
a9de8ce0
JB
1173 WLAN_EID_COUNTRY = 7,
1174 WLAN_EID_HP_PARAMS = 8,
1175 WLAN_EID_HP_TABLE = 9,
1176 WLAN_EID_REQUEST = 10,
8e664fb3 1177
6b4e3241
RR
1178 WLAN_EID_QBSS_LOAD = 11,
1179 WLAN_EID_EDCA_PARAM_SET = 12,
1180 WLAN_EID_TSPEC = 13,
1181 WLAN_EID_TCLAS = 14,
1182 WLAN_EID_SCHEDULE = 15,
1183 WLAN_EID_TS_DELAY = 43,
1184 WLAN_EID_TCLAS_PROCESSING = 44,
1185 WLAN_EID_QOS_CAPA = 46,
cfdfa4d3
S
1186 /* 802.11s */
1187 WLAN_EID_MESH_CONFIG = 113,
1188 WLAN_EID_MESH_ID = 114,
1189 WLAN_EID_LINK_METRIC_REPORT = 115,
1190 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S
1191 WLAN_EID_PEER_MGMT = 117,
1192 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1193 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1194 WLAN_EID_BEACON_TIMING = 120,
1195 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1196 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1197 WLAN_EID_MCCAOP_ADVERT = 123,
1198 WLAN_EID_MCCAOP_TEARDOWN = 124,
1199 WLAN_EID_GANN = 125,
1200 WLAN_EID_RANN = 126,
1201 WLAN_EID_PREQ = 130,
1202 WLAN_EID_PREP = 131,
1203 WLAN_EID_PERR = 132,
1204 WLAN_EID_PXU = 137,
1205 WLAN_EID_PXUC = 138,
1206 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1207 WLAN_EID_MIC = 140,
8e664fb3 1208
a9de8ce0
JB
1209 WLAN_EID_PWR_CONSTRAINT = 32,
1210 WLAN_EID_PWR_CAPABILITY = 33,
1211 WLAN_EID_TPC_REQUEST = 34,
1212 WLAN_EID_TPC_REPORT = 35,
1213 WLAN_EID_SUPPORTED_CHANNELS = 36,
1214 WLAN_EID_CHANNEL_SWITCH = 37,
1215 WLAN_EID_MEASURE_REQUEST = 38,
1216 WLAN_EID_MEASURE_REPORT = 39,
1217 WLAN_EID_QUIET = 40,
1218 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1219
a9de8ce0
JB
1220 WLAN_EID_ERP_INFO = 42,
1221 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1222
6b4e3241 1223 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1224 WLAN_EID_HT_INFORMATION = 61,
8e664fb3 1225
a9de8ce0 1226 WLAN_EID_RSN = 48,
8e664fb3 1227 WLAN_EID_MMIE = 76,
a9de8ce0
JB
1228 WLAN_EID_WPA = 221,
1229 WLAN_EID_GENERIC = 221,
1230 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB
1231 WLAN_EID_QOS_PARAMETER = 222,
1232
1233 WLAN_EID_AP_CHAN_REPORT = 51,
1234 WLAN_EID_NEIGHBOR_REPORT = 52,
1235 WLAN_EID_RCPI = 53,
1236 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1237 WLAN_EID_ANTENNA_INFO = 64,
1238 WLAN_EID_RSNI = 65,
1239 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1240 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1241 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1242 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1243 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK
1244 WLAN_EID_BSS_COEX_2040 = 72,
1245 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1246 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB
1247
1248 WLAN_EID_MOBILITY_DOMAIN = 54,
1249 WLAN_EID_FAST_BSS_TRANSITION = 55,
1250 WLAN_EID_TIMEOUT_INTERVAL = 56,
1251 WLAN_EID_RIC_DATA = 57,
1252 WLAN_EID_RIC_DESCRIPTOR = 75,
1253
1254 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1255 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1256 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
a9de8ce0
JB
1257};
1258
6b4e3241
RR
1259/* Action category code */
1260enum ieee80211_category {
1261 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1262 WLAN_CATEGORY_QOS = 1,
1263 WLAN_CATEGORY_DLS = 2,
1264 WLAN_CATEGORY_BACK = 3,
fb733336 1265 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1266 WLAN_CATEGORY_HT = 7,
fea14732 1267 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1268 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
cfdfa4d3
S
1269 WLAN_CATEGORY_MESH_ACTION = 13,
1270 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1271 WLAN_CATEGORY_SELF_PROTECTED = 15,
6b4e3241 1272 WLAN_CATEGORY_WMM = 17,
528769cf
JM
1273 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1274 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR
1275};
1276
f2df3859
AK
1277/* SPECTRUM_MGMT action code */
1278enum ieee80211_spectrum_mgmt_actioncode {
1279 WLAN_ACTION_SPCT_MSR_REQ = 0,
1280 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1281 WLAN_ACTION_SPCT_TPC_REQ = 2,
1282 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1283 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1284};
1285
0f78231b
JB
1286/* HT action codes */
1287enum ieee80211_ht_actioncode {
1288 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1289 WLAN_HT_ACTION_SMPS = 1,
1290 WLAN_HT_ACTION_PSMP = 2,
1291 WLAN_HT_ACTION_PCO_PHASE = 3,
1292 WLAN_HT_ACTION_CSI = 4,
1293 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1294 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1295 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1296};
1297
6709a6d9
TP
1298/* Self Protected Action codes */
1299enum ieee80211_self_protected_actioncode {
1300 WLAN_SP_RESERVED = 0,
1301 WLAN_SP_MESH_PEERING_OPEN = 1,
1302 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1303 WLAN_SP_MESH_PEERING_CLOSE = 3,
1304 WLAN_SP_MGK_INFORM = 4,
1305 WLAN_SP_MGK_ACK = 5,
1306};
1307
36c704fd
TP
1308/* Mesh action codes */
1309enum ieee80211_mesh_actioncode {
1310 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1311 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1312 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1313 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1314 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1315 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1316 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1317 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1318 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1319 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1320 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1321};
1322
e31a16d6
ZY
1323/* Security key length */
1324enum ieee80211_key_len {
1325 WLAN_KEY_LEN_WEP40 = 5,
1326 WLAN_KEY_LEN_WEP104 = 13,
1327 WLAN_KEY_LEN_CCMP = 16,
1328 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1329 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY
1330};
1331
c80d545d
JC
1332/**
1333 * enum - mesh path selection protocol identifier
1334 *
1335 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1336 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1337 * be specified in a vendor specific information element
1338 */
1339enum {
1340 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1341 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1342};
1343
1344/**
1345 * enum - mesh path selection metric identifier
1346 *
1347 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1348 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1349 * specified in a vendor specific information element
1350 */
1351enum {
1352 IEEE80211_PATH_METRIC_AIRTIME = 0,
1353 IEEE80211_PATH_METRIC_VENDOR = 255,
1354};
1355
1356
3f2355cb
LR
1357/*
1358 * IEEE 802.11-2007 7.3.2.9 Country information element
1359 *
1360 * Minimum length is 8 octets, ie len must be evenly
1361 * divisible by 2
1362 */
1363
1364/* Although the spec says 8 I'm seeing 6 in practice */
1365#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1366
80751e2b
BZ
1367/* The Country String field of the element shall be 3 octets in length */
1368#define IEEE80211_COUNTRY_STRING_LEN 3
1369
3f2355cb
LR
1370/*
1371 * For regulatory extension stuff see IEEE 802.11-2007
1372 * Annex I (page 1141) and Annex J (page 1147). Also
1373 * review 7.3.2.9.
1374 *
1375 * When dot11RegulatoryClassesRequired is true and the
1376 * first_channel/reg_extension_id is >= 201 then the IE
1377 * compromises of the 'ext' struct represented below:
1378 *
1379 * - Regulatory extension ID - when generating IE this just needs
1380 * to be monotonically increasing for each triplet passed in
1381 * the IE
1382 * - Regulatory class - index into set of rules
1383 * - Coverage class - index into air propagation time (Table 7-27),
1384 * in microseconds, you can compute the air propagation time from
1385 * the index by multiplying by 3, so index 10 yields a propagation
1386 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1387 * yet. A value of 0 inicates air propagation of <= 1 us.
1388 *
1389 * See also Table I.2 for Emission limit sets and table
1390 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1391 * a reg_class to an emission limit set and behavior limit set.
1392 */
1393#define IEEE80211_COUNTRY_EXTENSION_ID 201
1394
1395/*
1396 * Channels numbers in the IE must be monotonically increasing
1397 * if dot11RegulatoryClassesRequired is not true.
1398 *
1399 * If dot11RegulatoryClassesRequired is true consecutive
1400 * subband triplets following a regulatory triplet shall
1401 * have monotonically increasing first_channel number fields.
1402 *
1403 * Channel numbers shall not overlap.
1404 *
1405 * Note that max_power is signed.
1406 */
1407struct ieee80211_country_ie_triplet {
1408 union {
1409 struct {
1410 u8 first_channel;
1411 u8 num_channels;
1412 s8 max_power;
1413 } __attribute__ ((packed)) chans;
1414 struct {
1415 u8 reg_extension_id;
1416 u8 reg_class;
1417 u8 coverage_class;
1418 } __attribute__ ((packed)) ext;
1419 };
1420} __attribute__ ((packed));
1421
f797eb7e
JM
1422enum ieee80211_timeout_interval_type {
1423 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1424 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1425 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1426};
1427
6b4e3241
RR
1428/* BACK action code */
1429enum ieee80211_back_actioncode {
1430 WLAN_ACTION_ADDBA_REQ = 0,
1431 WLAN_ACTION_ADDBA_RESP = 1,
1432 WLAN_ACTION_DELBA = 2,
1433};
1434
07db2183
RR
1435/* BACK (block-ack) parties */
1436enum ieee80211_back_parties {
1437 WLAN_BACK_RECIPIENT = 0,
1438 WLAN_BACK_INITIATOR = 1,
07db2183
RR
1439};
1440
fea14732
JM
1441/* SA Query action */
1442enum ieee80211_sa_query_action {
1443 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1444 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1445};
1446
1447
a9de8ce0
JB
1448/* cipher suite selectors */
1449#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1450#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1451#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1452/* reserved: 0x000FAC03 */
1453#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1454#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1455#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1456
6a669e65
JB
1457/* AKM suite selectors */
1458#define WLAN_AKM_SUITE_8021X 0x000FAC01
1459#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S
1460#define WLAN_AKM_SUITE_SAE 0x000FAC08
1461#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1462
a9de8ce0
JB
1463#define WLAN_MAX_KEY_LEN 32
1464
67fbb16b
SO
1465#define WLAN_PMKID_LEN 16
1466
856799d5
KV
1467/*
1468 * WMM/802.11e Tspec Element
1469 */
1470#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1471#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1472
1473enum ieee80211_tspec_status_code {
1474 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1475 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1476};
1477
1478struct ieee80211_tspec_ie {
1479 u8 element_id;
1480 u8 len;
1481 u8 oui[3];
1482 u8 oui_type;
1483 u8 oui_subtype;
1484 u8 version;
1485 __le16 tsinfo;
1486 u8 tsinfo_resvd;
1487 __le16 nominal_msdu;
1488 __le16 max_msdu;
1489 __le32 min_service_int;
1490 __le32 max_service_int;
1491 __le32 inactivity_int;
1492 __le32 suspension_int;
1493 __le32 service_start_time;
1494 __le32 min_data_rate;
1495 __le32 mean_data_rate;
1496 __le32 peak_data_rate;
1497 __le32 max_burst_size;
1498 __le32 delay_bound;
1499 __le32 min_phy_rate;
1500 __le16 sba;
1501 __le16 medium_time;
1502} __packed;
1503
fd7c8a40
HH
1504/**
1505 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1506 * @hdr: the frame
1507 *
1508 * The qos ctrl bytes come after the frame_control, duration, seq_num
1509 * and 3 or 4 addresses of length ETH_ALEN.
1510 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1511 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1512 */
1513static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1514{
1515 if (ieee80211_has_a4(hdr->frame_control))
1516 return (u8 *)hdr + 30;
1517 else
1518 return (u8 *)hdr + 24;
1519}
1520
f97df02e
JB
1521/**
1522 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1523 * @hdr: the frame
f97df02e
JB
1524 *
1525 * Given an 802.11 frame, this function returns the offset
1526 * to the source address (SA). It does not verify that the
1527 * header is long enough to contain the address, and the
1528 * header must be long enough to contain the frame control
1529 * field.
f97df02e
JB
1530 */
1531static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1532{
fd7c8a40 1533 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1534 return hdr->addr4;
fd7c8a40
HH
1535 if (ieee80211_has_fromds(hdr->frame_control))
1536 return hdr->addr3;
1537 return hdr->addr2;
f97df02e
JB
1538}
1539
1540/**
1541 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1542 * @hdr: the frame
f97df02e
JB
1543 *
1544 * Given an 802.11 frame, this function returns the offset
1545 * to the destination address (DA). It does not verify that
1546 * the header is long enough to contain the address, and the
1547 * header must be long enough to contain the frame control
1548 * field.
f97df02e
JB
1549 */
1550static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1551{
fd7c8a40 1552 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1553 return hdr->addr3;
5a433b3a
HH
1554 else
1555 return hdr->addr1;
f97df02e
JB
1556}
1557
fb733336
JM
1558/**
1559 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1560 * @hdr: the frame (buffer must include at least the first octet of payload)
1561 */
1562static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1563{
1564 if (ieee80211_is_disassoc(hdr->frame_control) ||
1565 ieee80211_is_deauth(hdr->frame_control))
1566 return true;
1567
1568 if (ieee80211_is_action(hdr->frame_control)) {
1569 u8 *category;
1570
1571 /*
1572 * Action frames, excluding Public Action frames, are Robust
1573 * Management Frames. However, if we are looking at a Protected
1574 * frame, skip the check since the data may be encrypted and
1575 * the frame has already been found to be a Robust Management
1576 * Frame (by the other end).
1577 */
1578 if (ieee80211_has_protected(hdr->frame_control))
1579 return true;
1580 category = ((u8 *) hdr) + 24;
528769cf
JM
1581 return *category != WLAN_CATEGORY_PUBLIC &&
1582 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1583 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1584 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM
1585 }
1586
1587 return false;
1588}
1589
9ee677c2
DK
1590/**
1591 * ieee80211_fhss_chan_to_freq - get channel frequency
1592 * @channel: the FHSS channel
1593 *
1594 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1595 * Ref IEEE 802.11-2007 section 14.6
1596 */
1597static inline int ieee80211_fhss_chan_to_freq(int channel)
1598{
1599 if ((channel > 1) && (channel < 96))
1600 return channel + 2400;
1601 else
1602 return -1;
1603}
1604
1605/**
1606 * ieee80211_freq_to_fhss_chan - get channel
1607 * @freq: the channels frequency
1608 *
1609 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1610 * Ref IEEE 802.11-2007 section 14.6
1611 */
1612static inline int ieee80211_freq_to_fhss_chan(int freq)
1613{
1614 if ((freq > 2401) && (freq < 2496))
1615 return freq - 2400;
1616 else
1617 return -1;
1618}
1619
1620/**
1621 * ieee80211_dsss_chan_to_freq - get channel center frequency
1622 * @channel: the DSSS channel
1623 *
1624 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1625 * Ref IEEE 802.11-2007 section 15.6
1626 */
1627static inline int ieee80211_dsss_chan_to_freq(int channel)
1628{
1629 if ((channel > 0) && (channel < 14))
1630 return 2407 + (channel * 5);
1631 else if (channel == 14)
1632 return 2484;
1633 else
1634 return -1;
1635}
1636
1637/**
1638 * ieee80211_freq_to_dsss_chan - get channel
1639 * @freq: the frequency
1640 *
1641 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1642 * Ref IEEE 802.11-2007 section 15.6
1643 *
1644 * This routine selects the channel with the closest center frequency.
1645 */
1646static inline int ieee80211_freq_to_dsss_chan(int freq)
1647{
1648 if ((freq >= 2410) && (freq < 2475))
1649 return (freq - 2405) / 5;
1650 else if ((freq >= 2482) && (freq < 2487))
1651 return 14;
1652 else
1653 return -1;
1654}
1655
1656/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1657 * Ref IEEE 802.11-2007 section 18.4.6.2
1658 *
1659 * The channels and frequencies are the same as those defined for DSSS
1660 */
1661#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1662#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1663
1664/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1665 * Ref IEEE 802.11-2007 section 19.4.2
1666 */
1667#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1668#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1669
1670/**
1671 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1672 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1673 * @channel: the OFDM channel
1674 *
1675 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1676 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1677 */
1678static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1679{
1680 if ((channel > 0) && (channel <= 200) &&
1681 (s_freq >= 4000))
1682 return s_freq + (channel * 5);
1683 else
1684 return -1;
1685}
1686
1687/**
1688 * ieee80211_freq_to_ofdm_channel - get channel
1689 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1690 * @freq: the frequency
1691 *
1692 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1693 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1694 *
1695 * This routine selects the channel with the closest center frequency.
1696 */
1697static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1698{
1699 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1700 (s_freq >= 4000))
1701 return (freq + 2 - s_freq) / 5;
1702 else
1703 return -1;
1704}
1705
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JB
1706/**
1707 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1708 * @tu: the TUs
1709 */
1710static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1711{
1712 return 1024 * tu;
1713}
1714
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JB
1715/**
1716 * ieee80211_check_tim - check if AID bit is set in TIM
1717 * @tim: the TIM IE
1718 * @tim_len: length of the TIM IE
1719 * @aid: the AID to look for
1720 */
1721static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1722 u8 tim_len, u16 aid)
1723{
1724 u8 mask;
1725 u8 index, indexn1, indexn2;
1726
1727 if (unlikely(!tim || tim_len < sizeof(*tim)))
1728 return false;
1729
1730 aid &= 0x3fff;
1731 index = aid / 8;
1732 mask = 1 << (aid & 7);
1733
1734 indexn1 = tim->bitmap_ctrl & 0xfe;
1735 indexn2 = tim_len + indexn1 - 4;
1736
1737 if (index < indexn1 || index > indexn2)
1738 return false;
1739
1740 index -= indexn1;
1741
1742 return !!(tim->virtual_map[index] & mask);
1743}
1744
9387b7ca 1745#endif /* LINUX_IEEE80211_H */
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