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ath9k: fix setting the IEEE80211_TX_CTL_CLEAR_PS_FILT flag
[deliverable/linux.git] / include / linux / ieee80211.h
CommitLineData
a9de8ce0
JB		 1/*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
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
9387b7ca
JL		 15#ifndef LINUX_IEEE80211_H
16#define LINUX_IEEE80211_H
a9de8ce0
JB		 17
18#include <linux/types.h>
f97df02e 19#include <asm/byteorder.h>
a9de8ce0 20
3f46b29c
JB		 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
a9de8ce0
JB		 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 */
6b4e3241
RR		 73#define IEEE80211_STYPE_BACK_REQ 0x0080
74#define IEEE80211_STYPE_BACK 0x0090
a9de8ce0
JB		 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 */
c237899d
MW		 102#define IEEE80211_MAX_FRAG_THRESHOLD 2352
103#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0
JB		 104#define IEEE80211_MAX_AID 2007
105#define IEEE80211_MAX_TIM_LEN 251
a9de8ce0
JB		 106/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
107 6.2.1.1.2.
108
c237899d
MW		 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
a9de8ce0
JB		 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
04b7dcf9
JB		 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
2154c81c
JC		 133/* Mesh Control 802.11s */
134#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 135
ab13315a
KV		 136/* U-APSD queue for WMM IEs sent by AP */
137#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 138#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 139
140/* U-APSD queues for WMM IEs sent by STA */
141#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
142#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
143#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
144#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
145#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
146
147/* U-APSD max SP length for WMM IEs sent by STA */
148#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
149#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
150#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
151#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
152#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
153#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
154
d0dd2de0
AT		 155#define IEEE80211_HT_CTL_LEN 4
156
a9de8ce0
JB		 157struct ieee80211_hdr {
158 __le16 frame_control;
159 __le16 duration_id;
160 u8 addr1[6];
161 u8 addr2[6];
162 u8 addr3[6];
163 __le16 seq_ctrl;
164 u8 addr4[6];
165} __attribute__ ((packed));
166
7044cc56
KV		 167struct ieee80211_hdr_3addr {
168 __le16 frame_control;
169 __le16 duration_id;
170 u8 addr1[6];
171 u8 addr2[6];
172 u8 addr3[6];
173 __le16 seq_ctrl;
174} __attribute__ ((packed));
175
558a6669
KV		 176struct ieee80211_qos_hdr {
177 __le16 frame_control;
178 __le16 duration_id;
179 u8 addr1[6];
180 u8 addr2[6];
181 u8 addr3[6];
182 __le16 seq_ctrl;
183 __le16 qos_ctrl;
184} __attribute__ ((packed));
185
fd7c8a40
HH		 186/**
187 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
188 * @fc: frame control bytes in little-endian byteorder
189 */
190static inline int ieee80211_has_tods(__le16 fc)
191{
192 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
193}
194
195/**
196 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
197 * @fc: frame control bytes in little-endian byteorder
198 */
199static inline int ieee80211_has_fromds(__le16 fc)
200{
201 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
202}
203
204/**
205 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
206 * @fc: frame control bytes in little-endian byteorder
207 */
208static inline int ieee80211_has_a4(__le16 fc)
209{
210 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
211 return (fc & tmp) == tmp;
212}
213
214/**
215 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
216 * @fc: frame control bytes in little-endian byteorder
217 */
218static inline int ieee80211_has_morefrags(__le16 fc)
219{
220 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
221}
222
223/**
224 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
225 * @fc: frame control bytes in little-endian byteorder
226 */
227static inline int ieee80211_has_retry(__le16 fc)
228{
229 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
230}
231
232/**
233 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
234 * @fc: frame control bytes in little-endian byteorder
235 */
236static inline int ieee80211_has_pm(__le16 fc)
237{
238 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
239}
240
241/**
242 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
243 * @fc: frame control bytes in little-endian byteorder
244 */
245static inline int ieee80211_has_moredata(__le16 fc)
246{
247 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
248}
249
250/**
251 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
252 * @fc: frame control bytes in little-endian byteorder
253 */
254static inline int ieee80211_has_protected(__le16 fc)
255{
256 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
257}
258
259/**
260 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
261 * @fc: frame control bytes in little-endian byteorder
262 */
263static inline int ieee80211_has_order(__le16 fc)
264{
265 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
266}
267
268/**
269 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
270 * @fc: frame control bytes in little-endian byteorder
271 */
272static inline int ieee80211_is_mgmt(__le16 fc)
273{
274 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
275 cpu_to_le16(IEEE80211_FTYPE_MGMT);
276}
277
278/**
279 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
280 * @fc: frame control bytes in little-endian byteorder
281 */
282static inline int ieee80211_is_ctl(__le16 fc)
283{
284 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
285 cpu_to_le16(IEEE80211_FTYPE_CTL);
286}
287
288/**
289 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
290 * @fc: frame control bytes in little-endian byteorder
291 */
292static inline int ieee80211_is_data(__le16 fc)
293{
294 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
295 cpu_to_le16(IEEE80211_FTYPE_DATA);
296}
297
298/**
299 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
300 * @fc: frame control bytes in little-endian byteorder
301 */
302static inline int ieee80211_is_data_qos(__le16 fc)
303{
304 /*
305 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
306 * to check the one bit
307 */
308 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
309 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
310}
311
312/**
313 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
314 * @fc: frame control bytes in little-endian byteorder
315 */
316static inline int ieee80211_is_data_present(__le16 fc)
317{
318 /*
319 * mask with 0x40 and test that that bit is clear to only return true
320 * for the data-containing substypes.
321 */
322 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
323 cpu_to_le16(IEEE80211_FTYPE_DATA);
324}
325
326/**
327 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
328 * @fc: frame control bytes in little-endian byteorder
329 */
330static inline int ieee80211_is_assoc_req(__le16 fc)
331{
332 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
333 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
334}
335
336/**
337 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
338 * @fc: frame control bytes in little-endian byteorder
339 */
340static inline int ieee80211_is_assoc_resp(__le16 fc)
341{
342 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
343 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
344}
345
346/**
347 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
348 * @fc: frame control bytes in little-endian byteorder
349 */
350static inline int ieee80211_is_reassoc_req(__le16 fc)
351{
352 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
353 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
354}
355
356/**
357 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
358 * @fc: frame control bytes in little-endian byteorder
359 */
360static inline int ieee80211_is_reassoc_resp(__le16 fc)
361{
362 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
363 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
364}
365
366/**
367 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
368 * @fc: frame control bytes in little-endian byteorder
369 */
370static inline int ieee80211_is_probe_req(__le16 fc)
371{
372 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
373 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
374}
375
376/**
377 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
378 * @fc: frame control bytes in little-endian byteorder
379 */
380static inline int ieee80211_is_probe_resp(__le16 fc)
381{
382 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
383 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
384}
385
386/**
387 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
388 * @fc: frame control bytes in little-endian byteorder
389 */
390static inline int ieee80211_is_beacon(__le16 fc)
391{
392 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
393 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
394}
395
396/**
397 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
398 * @fc: frame control bytes in little-endian byteorder
399 */
400static inline int ieee80211_is_atim(__le16 fc)
401{
402 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
403 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
404}
405
406/**
407 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
408 * @fc: frame control bytes in little-endian byteorder
409 */
410static inline int ieee80211_is_disassoc(__le16 fc)
411{
412 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
413 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
414}
415
416/**
417 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
418 * @fc: frame control bytes in little-endian byteorder
419 */
420static inline int ieee80211_is_auth(__le16 fc)
421{
422 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
423 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
424}
425
426/**
427 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
428 * @fc: frame control bytes in little-endian byteorder
429 */
430static inline int ieee80211_is_deauth(__le16 fc)
431{
432 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
433 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
434}
435
436/**
437 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
438 * @fc: frame control bytes in little-endian byteorder
439 */
440static inline int ieee80211_is_action(__le16 fc)
441{
442 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
443 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
444}
445
446/**
447 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
448 * @fc: frame control bytes in little-endian byteorder
449 */
450static inline int ieee80211_is_back_req(__le16 fc)
451{
452 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
453 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
454}
455
456/**
457 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
458 * @fc: frame control bytes in little-endian byteorder
459 */
460static inline int ieee80211_is_back(__le16 fc)
461{
462 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
463 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
464}
465
466/**
467 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
468 * @fc: frame control bytes in little-endian byteorder
469 */
470static inline int ieee80211_is_pspoll(__le16 fc)
471{
472 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
473 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
474}
475
476/**
477 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
478 * @fc: frame control bytes in little-endian byteorder
479 */
480static inline int ieee80211_is_rts(__le16 fc)
481{
482 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
483 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
484}
485
486/**
487 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
488 * @fc: frame control bytes in little-endian byteorder
489 */
490static inline int ieee80211_is_cts(__le16 fc)
491{
492 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
493 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
494}
495
496/**
497 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
498 * @fc: frame control bytes in little-endian byteorder
499 */
500static inline int ieee80211_is_ack(__le16 fc)
501{
502 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
503 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
504}
505
506/**
507 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
508 * @fc: frame control bytes in little-endian byteorder
509 */
510static inline int ieee80211_is_cfend(__le16 fc)
511{
512 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
513 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
514}
515
516/**
517 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
518 * @fc: frame control bytes in little-endian byteorder
519 */
520static inline int ieee80211_is_cfendack(__le16 fc)
521{
522 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
523 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
524}
525
526/**
22403def 527 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 528 * @fc: frame control bytes in little-endian byteorder
529 */
530static inline int ieee80211_is_nullfunc(__le16 fc)
531{
532 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
533 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
534}
a9de8ce0 535
22403def
JB		 536/**
537 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
538 * @fc: frame control bytes in little-endian byteorder
539 */
540static inline int ieee80211_is_qos_nullfunc(__le16 fc)
541{
542 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
543 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
544}
545
37c57989
LCC		 546struct ieee80211s_hdr {
547 u8 flags;
548 u8 ttl;
51ceddad 549 __le32 seqnum;
37c57989
LCC		 550 u8 eaddr1[6];
551 u8 eaddr2[6];
37c57989
LCC		 552} __attribute__ ((packed));
553
79617dee
Y		 554/* Mesh flags */
555#define MESH_FLAGS_AE_A4 0x1
556#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 557#define MESH_FLAGS_AE 0x3
79617dee
Y		 558#define MESH_FLAGS_PS_DEEP 0x4
559
f2df3859
AK		 560/**
561 * struct ieee80211_quiet_ie
562 *
563 * This structure refers to "Quiet information element"
564 */
565struct ieee80211_quiet_ie {
566 u8 count;
567 u8 period;
568 __le16 duration;
569 __le16 offset;
570} __attribute__ ((packed));
571
572/**
573 * struct ieee80211_msrment_ie
574 *
575 * This structure refers to "Measurement Request/Report information element"
576 */
577struct ieee80211_msrment_ie {
578 u8 token;
579 u8 mode;
580 u8 type;
581 u8 request[0];
582} __attribute__ ((packed));
583
584/**
585 * struct ieee80211_channel_sw_ie
586 *
587 * This structure refers to "Channel Switch Announcement information element"
588 */
589struct ieee80211_channel_sw_ie {
590 u8 mode;
591 u8 new_ch_num;
592 u8 count;
593} __attribute__ ((packed));
37c57989 594
98f7dfd8
EG		 595/**
596 * struct ieee80211_tim
597 *
598 * This structure refers to "Traffic Indication Map information element"
599 */
600struct ieee80211_tim_ie {
601 u8 dtim_count;
602 u8 dtim_period;
603 u8 bitmap_ctrl;
604 /* variable size: 1 - 251 bytes */
e7ec86f5 605 u8 virtual_map[1];
98f7dfd8
EG		 606} __attribute__ ((packed));
607
136cfa28
RP		 608/**
609 * struct ieee80211_meshconf_ie
610 *
611 * This structure refers to "Mesh Configuration information element"
612 */
613struct ieee80211_meshconf_ie {
614 u8 meshconf_psel;
615 u8 meshconf_pmetric;
616 u8 meshconf_congest;
617 u8 meshconf_synch;
618 u8 meshconf_auth;
619 u8 meshconf_form;
620 u8 meshconf_cap;
621} __attribute__ ((packed));
622
90a5e169
RP		 623/**
624 * struct ieee80211_rann_ie
625 *
626 * This structure refers to "Root Announcement information element"
627 */
628struct ieee80211_rann_ie {
629 u8 rann_flags;
630 u8 rann_hopcount;
631 u8 rann_ttl;
632 u8 rann_addr[6];
633 u32 rann_seq;
25d49e4d 634 u32 rann_interval;
90a5e169
RP		 635 u32 rann_metric;
636} __attribute__ ((packed));
637
5ee68e5b
JC		 638enum ieee80211_rann_flags {
639 RANN_FLAG_IS_GATE = 1 << 0,
640};
641
9dfd6ba3 642#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 643
a9de8ce0
JB		 644struct ieee80211_mgmt {
645 __le16 frame_control;
646 __le16 duration;
647 u8 da[6];
648 u8 sa[6];
649 u8 bssid[6];
650 __le16 seq_ctrl;
651 union {
652 struct {
653 __le16 auth_alg;
654 __le16 auth_transaction;
655 __le16 status_code;
656 /* possibly followed by Challenge text */
657 u8 variable[0];
658 } __attribute__ ((packed)) auth;
659 struct {
660 __le16 reason_code;
661 } __attribute__ ((packed)) deauth;
662 struct {
663 __le16 capab_info;
664 __le16 listen_interval;
665 /* followed by SSID and Supported rates */
666 u8 variable[0];
667 } __attribute__ ((packed)) assoc_req;
668 struct {
669 __le16 capab_info;
670 __le16 status_code;
671 __le16 aid;
672 /* followed by Supported rates */
673 u8 variable[0];
674 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
675 struct {
676 __le16 capab_info;
677 __le16 listen_interval;
678 u8 current_ap[6];
679 /* followed by SSID and Supported rates */
680 u8 variable[0];
681 } __attribute__ ((packed)) reassoc_req;
682 struct {
683 __le16 reason_code;
684 } __attribute__ ((packed)) disassoc;
685 struct {
686 __le64 timestamp;
687 __le16 beacon_int;
688 __le16 capab_info;
689 /* followed by some of SSID, Supported rates,
690 * FH Params, DS Params, CF Params, IBSS Params, TIM */
691 u8 variable[0];
692 } __attribute__ ((packed)) beacon;
693 struct {
694 /* only variable items: SSID, Supported rates */
695 u8 variable[0];
696 } __attribute__ ((packed)) probe_req;
697 struct {
698 __le64 timestamp;
699 __le16 beacon_int;
700 __le16 capab_info;
701 /* followed by some of SSID, Supported rates,
702 * FH Params, DS Params, CF Params, IBSS Params */
703 u8 variable[0];
704 } __attribute__ ((packed)) probe_resp;
705 struct {
706 u8 category;
707 union {
708 struct {
709 u8 action_code;
710 u8 dialog_token;
711 u8 status_code;
712 u8 variable[0];
713 } __attribute__ ((packed)) wme_action;
714 struct{
715 u8 action_code;
716 u8 element_id;
717 u8 length;
f2df3859 718 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 719 } __attribute__((packed)) chan_switch;
f2df3859
AK		 720 struct{
721 u8 action_code;
722 u8 dialog_token;
723 u8 element_id;
724 u8 length;
725 struct ieee80211_msrment_ie msr_elem;
726 } __attribute__((packed)) measurement;
6b4e3241
RR		 727 struct{
728 u8 action_code;
729 u8 dialog_token;
730 __le16 capab;
731 __le16 timeout;
732 __le16 start_seq_num;
733 } __attribute__((packed)) addba_req;
734 struct{
735 u8 action_code;
736 u8 dialog_token;
737 __le16 status;
738 __le16 capab;
739 __le16 timeout;
740 } __attribute__((packed)) addba_resp;
741 struct{
742 u8 action_code;
743 __le16 params;
744 __le16 reason_code;
745 } __attribute__((packed)) delba;
6709a6d9
TP		 746 struct {
747 u8 action_code;
748 u8 variable[0];
749 } __attribute__((packed)) self_prot;
37c57989
LCC		 750 struct{
751 u8 action_code;
752 u8 variable[0];
753 } __attribute__((packed)) mesh_action;
fea14732
JM		 754 struct {
755 u8 action;
756 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
757 } __attribute__ ((packed)) sa_query;
0f78231b
JB		 758 struct {
759 u8 action;
760 u8 smps_control;
761 } __attribute__ ((packed)) ht_smps;
a9de8ce0
JB		 762 } u;
763 } __attribute__ ((packed)) action;
764 } u;
765} __attribute__ ((packed));
766
44d414db
JB		 767/* mgmt header + 1 byte category code */
768#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
769
a9de8ce0 770
765cb46a
JM		 771/* Management MIC information element (IEEE 802.11w) */
772struct ieee80211_mmie {
773 u8 element_id;
774 u8 length;
775 __le16 key_id;
776 u8 sequence_number[6];
777 u8 mic[8];
778} __attribute__ ((packed));
779
a9de8ce0
JB		 780/* Control frames */
781struct ieee80211_rts {
782 __le16 frame_control;
783 __le16 duration;
784 u8 ra[6];
785 u8 ta[6];
786} __attribute__ ((packed));
787
788struct ieee80211_cts {
789 __le16 frame_control;
790 __le16 duration;
791 u8 ra[6];
792} __attribute__ ((packed));
793
fc6971d4
JM		 794struct ieee80211_pspoll {
795 __le16 frame_control;
796 __le16 aid;
797 u8 bssid[6];
798 u8 ta[6];
799} __attribute__ ((packed));
800
6b4e3241
RR		 801/**
802 * struct ieee80211_bar - HT Block Ack Request
803 *
804 * This structure refers to "HT BlockAckReq" as
805 * described in 802.11n draft section 7.2.1.7.1
806 */
807struct ieee80211_bar {
808 __le16 frame_control;
809 __le16 duration;
810 __u8 ra[6];
811 __u8 ta[6];
a8b47ea3
RR		 812 __le16 control;
813 __le16 start_seq_num;
6b4e3241
RR		 814} __attribute__((packed));
815
429a3805 816/* 802.11 BAR control masks */
c1407b6c
HS		 817#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
818#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
819#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
820#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
821#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 822
823#define IEEE80211_HT_MCS_MASK_LEN 10
824
825/**
826 * struct ieee80211_mcs_info - MCS information
827 * @rx_mask: RX mask
9da3e068
LR		 828 * @rx_highest: highest supported RX rate. If set represents
829 * the highest supported RX data rate in units of 1 Mbps.
830 * If this field is 0 this value should not be used to
831 * consider the highest RX data rate supported.
d9fe60de
JB		 832 * @tx_params: TX parameters
833 */
834struct ieee80211_mcs_info {
835 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
836 __le16 rx_highest;
837 u8 tx_params;
838 u8 reserved[3];
839} __attribute__((packed));
840
841/* 802.11n HT capability MSC set */
842#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
843#define IEEE80211_HT_MCS_TX_DEFINED 0x01
844#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
845/* value 0 == 1 stream etc */
846#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
847#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
848#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
849#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
850
851/*
852 * 802.11n D5.0 20.3.5 / 20.6 says:
853 * - indices 0 to 7 and 32 are single spatial stream
854 * - 8 to 31 are multiple spatial streams using equal modulation
855 * [8..15 for two streams, 16..23 for three and 24..31 for four]
856 * - remainder are multiple spatial streams using unequal modulation
857 */
858#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
859#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
860 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
861
6b4e3241
RR		 862/**
863 * struct ieee80211_ht_cap - HT capabilities
864 *
d9fe60de
JB		 865 * This structure is the "HT capabilities element" as
866 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 867 */
868struct ieee80211_ht_cap {
869 __le16 cap_info;
870 u8 ampdu_params_info;
d9fe60de
JB		 871
872 /* 16 bytes MCS information */
873 struct ieee80211_mcs_info mcs;
874
6b4e3241
RR		 875 __le16 extended_ht_cap_info;
876 __le32 tx_BF_cap_info;
877 u8 antenna_selection_info;
878} __attribute__ ((packed));
879
d9fe60de
JB		 880/* 802.11n HT capabilities masks (for cap_info) */
881#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
882#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
883#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 884#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 885#define IEEE80211_HT_CAP_GRN_FLD 0x0010
886#define IEEE80211_HT_CAP_SGI_20 0x0020
887#define IEEE80211_HT_CAP_SGI_40 0x0040
888#define IEEE80211_HT_CAP_TX_STBC 0x0080
889#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 890#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 891#define IEEE80211_HT_CAP_DELAY_BA 0x0400
892#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
893#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 894#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 895#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
896#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
897
4dd365fd
BZ		 898/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
899#define IEEE80211_HT_EXT_CAP_PCO 0x0001
900#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
901#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
902#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
903#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
904#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
905#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
906
d9fe60de
JB		 907/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
908#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
909#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 910#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 911
d1eba248
S		 912/*
913 * Maximum length of AMPDU that the STA can receive.
914 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
915 */
916enum ieee80211_max_ampdu_length_exp {
917 IEEE80211_HT_MAX_AMPDU_8K = 0,
918 IEEE80211_HT_MAX_AMPDU_16K = 1,
919 IEEE80211_HT_MAX_AMPDU_32K = 2,
920 IEEE80211_HT_MAX_AMPDU_64K = 3
921};
922
923#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
924
925/* Minimum MPDU start spacing */
926enum ieee80211_min_mpdu_spacing {
927 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
928 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
929 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
930 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
931 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
932 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
933 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
934 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
935};
936
6b4e3241 937/**
d9fe60de 938 * struct ieee80211_ht_info - HT information
6b4e3241 939 *
d9fe60de
JB		 940 * This structure is the "HT information element" as
941 * described in 802.11n D5.0 7.3.2.58
6b4e3241 942 */
d9fe60de 943struct ieee80211_ht_info {
6b4e3241
RR		 944 u8 control_chan;
945 u8 ht_param;
946 __le16 operation_mode;
947 __le16 stbc_param;
948 u8 basic_set[16];
949} __attribute__ ((packed));
950
d9fe60de
JB		 951/* for ht_param */
952#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
953#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
954#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
955#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
956#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
957#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
958#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
959#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
960
961/* for operation_mode */
962#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
963#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
964#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
965#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
966#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
967#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
968#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
969
970/* for stbc_param */
971#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
972#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
973#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
974#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
975#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
976#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
977
a9de8ce0 978
44d414db
JB		 979/* block-ack parameters */
980#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
981#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 982#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 983#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
984#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
985
986/*
987 * A-PMDU buffer sizes
988 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
989 */
990#define IEEE80211_MIN_AMPDU_BUF 0x8
991#define IEEE80211_MAX_AMPDU_BUF 0x40
992
993
0f78231b 994/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 995#define WLAN_HT_CAP_SM_PS_STATIC 0
996#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
997#define WLAN_HT_CAP_SM_PS_INVALID 2
998#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 999
0f78231b
JB		 1000/* for SM power control field lower two bits */
1001#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1002#define WLAN_HT_SMPS_CONTROL_STATIC 1
1003#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1004
a9de8ce0
JB		 1005/* Authentication algorithms */
1006#define WLAN_AUTH_OPEN 0
1007#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1008#define WLAN_AUTH_FT 2
cfdfa4d3 1009#define WLAN_AUTH_SAE 3
bb608e9d 1010#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1011
1012#define WLAN_AUTH_CHALLENGE_LEN 128
1013
1014#define WLAN_CAPABILITY_ESS (1<<0)
1015#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1016
333ba732
EP		 1017/*
1018 * A mesh STA sets the ESS and IBSS capability bits to zero.
1019 * however, this holds true for p2p probe responses (in the p2p_find
1020 * phase) as well.
1021 */
1022#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1023 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1024
a9de8ce0
JB		 1025#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1026#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1027#define WLAN_CAPABILITY_PRIVACY (1<<4)
1028#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1029#define WLAN_CAPABILITY_PBCC (1<<6)
1030#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1031
a9de8ce0
JB		 1032/* 802.11h */
1033#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1034#define WLAN_CAPABILITY_QOS (1<<9)
1035#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1036#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK		 1037/* measurement */
1038#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1039#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1040#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1041
1042#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1043#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1044#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1045
a9de8ce0 1046
5628221c
DD		 1047/* 802.11g ERP information element */
1048#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1049#define WLAN_ERP_USE_PROTECTION (1<<1)
1050#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1051
1052/* WLAN_ERP_BARKER_PREAMBLE values */
1053enum {
1054 WLAN_ERP_PREAMBLE_SHORT = 0,
1055 WLAN_ERP_PREAMBLE_LONG = 1,
1056};
1057
a9de8ce0
JB		 1058/* Status codes */
1059enum ieee80211_statuscode {
1060 WLAN_STATUS_SUCCESS = 0,
1061 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1062 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1063 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1064 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1065 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1066 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1067 WLAN_STATUS_CHALLENGE_FAIL = 15,
1068 WLAN_STATUS_AUTH_TIMEOUT = 16,
1069 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1070 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1071 /* 802.11b */
1072 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1073 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1074 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1075 /* 802.11h */
1076 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1077 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1078 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1079 /* 802.11g */
1080 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1081 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1082 /* 802.11w */
1083 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1084 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1085 /* 802.11i */
1086 WLAN_STATUS_INVALID_IE = 40,
1087 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1088 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1089 WLAN_STATUS_INVALID_AKMP = 43,
1090 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1091 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1092 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1093 /* 802.11e */
1094 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1095 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1096 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1097 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1098 WLAN_STATUS_REQUEST_DECLINED = 37,
1099 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1100 WLAN_STATUS_CHANGE_TSPEC = 39,
1101 WLAN_STATUS_WAIT_TS_DELAY = 47,
1102 WLAN_STATUS_NO_DIRECT_LINK = 48,
1103 WLAN_STATUS_STA_NOT_PRESENT = 49,
1104 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1105 /* 802.11s */
1106 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1107 WLAN_STATUS_FCG_NOT_SUPP = 78,
1108 WLAN_STATUS_STA_NO_TBTT = 78,
a9de8ce0
JB		 1109};
1110
1111
1112/* Reason codes */
1113enum ieee80211_reasoncode {
1114 WLAN_REASON_UNSPECIFIED = 1,
1115 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1116 WLAN_REASON_DEAUTH_LEAVING = 3,
1117 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1118 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1119 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1120 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1121 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1122 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1123 /* 802.11h */
1124 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1125 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1126 /* 802.11i */
1127 WLAN_REASON_INVALID_IE = 13,
1128 WLAN_REASON_MIC_FAILURE = 14,
1129 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1130 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1131 WLAN_REASON_IE_DIFFERENT = 17,
1132 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1133 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1134 WLAN_REASON_INVALID_AKMP = 20,
1135 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1136 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1137 WLAN_REASON_IEEE8021X_FAILED = 23,
1138 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1139 /* 802.11e */
1140 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1141 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1142 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1143 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1144 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1145 WLAN_REASON_QSTA_NOT_USE = 37,
1146 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1147 WLAN_REASON_QSTA_TIMEOUT = 39,
1148 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1149 /* 802.11s */
1150 WLAN_REASON_MESH_PEER_CANCELED = 52,
1151 WLAN_REASON_MESH_MAX_PEERS = 53,
1152 WLAN_REASON_MESH_CONFIG = 54,
1153 WLAN_REASON_MESH_CLOSE = 55,
1154 WLAN_REASON_MESH_MAX_RETRIES = 56,
1155 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1156 WLAN_REASON_MESH_INVALID_GTK = 58,
1157 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1158 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1159 WLAN_REASON_MESH_PATH_ERROR = 61,
1160 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1161 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1162 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1163 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1164 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1165};
1166
1167
1168/* Information Element IDs */
1169enum ieee80211_eid {
1170 WLAN_EID_SSID = 0,
1171 WLAN_EID_SUPP_RATES = 1,
1172 WLAN_EID_FH_PARAMS = 2,
1173 WLAN_EID_DS_PARAMS = 3,
1174 WLAN_EID_CF_PARAMS = 4,
1175 WLAN_EID_TIM = 5,
1176 WLAN_EID_IBSS_PARAMS = 6,
1177 WLAN_EID_CHALLENGE = 16,
8e664fb3 1178
a9de8ce0
JB		 1179 WLAN_EID_COUNTRY = 7,
1180 WLAN_EID_HP_PARAMS = 8,
1181 WLAN_EID_HP_TABLE = 9,
1182 WLAN_EID_REQUEST = 10,
8e664fb3 1183
6b4e3241
RR		 1184 WLAN_EID_QBSS_LOAD = 11,
1185 WLAN_EID_EDCA_PARAM_SET = 12,
1186 WLAN_EID_TSPEC = 13,
1187 WLAN_EID_TCLAS = 14,
1188 WLAN_EID_SCHEDULE = 15,
1189 WLAN_EID_TS_DELAY = 43,
1190 WLAN_EID_TCLAS_PROCESSING = 44,
1191 WLAN_EID_QOS_CAPA = 46,
cfdfa4d3
S		 1192 /* 802.11s */
1193 WLAN_EID_MESH_CONFIG = 113,
1194 WLAN_EID_MESH_ID = 114,
1195 WLAN_EID_LINK_METRIC_REPORT = 115,
1196 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S		 1197 WLAN_EID_PEER_MGMT = 117,
1198 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1199 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1200 WLAN_EID_BEACON_TIMING = 120,
1201 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1202 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1203 WLAN_EID_MCCAOP_ADVERT = 123,
1204 WLAN_EID_MCCAOP_TEARDOWN = 124,
1205 WLAN_EID_GANN = 125,
1206 WLAN_EID_RANN = 126,
1207 WLAN_EID_PREQ = 130,
1208 WLAN_EID_PREP = 131,
1209 WLAN_EID_PERR = 132,
1210 WLAN_EID_PXU = 137,
1211 WLAN_EID_PXUC = 138,
1212 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1213 WLAN_EID_MIC = 140,
8e664fb3 1214
a9de8ce0
JB		 1215 WLAN_EID_PWR_CONSTRAINT = 32,
1216 WLAN_EID_PWR_CAPABILITY = 33,
1217 WLAN_EID_TPC_REQUEST = 34,
1218 WLAN_EID_TPC_REPORT = 35,
1219 WLAN_EID_SUPPORTED_CHANNELS = 36,
1220 WLAN_EID_CHANNEL_SWITCH = 37,
1221 WLAN_EID_MEASURE_REQUEST = 38,
1222 WLAN_EID_MEASURE_REPORT = 39,
1223 WLAN_EID_QUIET = 40,
1224 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1225
a9de8ce0
JB		 1226 WLAN_EID_ERP_INFO = 42,
1227 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1228
6b4e3241 1229 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1230 WLAN_EID_HT_INFORMATION = 61,
8e664fb3 1231
a9de8ce0 1232 WLAN_EID_RSN = 48,
8e664fb3 1233 WLAN_EID_MMIE = 76,
a9de8ce0
JB		 1234 WLAN_EID_WPA = 221,
1235 WLAN_EID_GENERIC = 221,
1236 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB		 1237 WLAN_EID_QOS_PARAMETER = 222,
1238
1239 WLAN_EID_AP_CHAN_REPORT = 51,
1240 WLAN_EID_NEIGHBOR_REPORT = 52,
1241 WLAN_EID_RCPI = 53,
1242 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1243 WLAN_EID_ANTENNA_INFO = 64,
1244 WLAN_EID_RSNI = 65,
1245 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1246 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1247 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1248 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1249 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK		 1250 WLAN_EID_BSS_COEX_2040 = 72,
1251 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1252 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB		 1253
1254 WLAN_EID_MOBILITY_DOMAIN = 54,
1255 WLAN_EID_FAST_BSS_TRANSITION = 55,
1256 WLAN_EID_TIMEOUT_INTERVAL = 56,
1257 WLAN_EID_RIC_DATA = 57,
1258 WLAN_EID_RIC_DESCRIPTOR = 75,
1259
1260 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1261 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1262 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
a9de8ce0
JB		 1263};
1264
6b4e3241
RR		 1265/* Action category code */
1266enum ieee80211_category {
1267 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1268 WLAN_CATEGORY_QOS = 1,
1269 WLAN_CATEGORY_DLS = 2,
1270 WLAN_CATEGORY_BACK = 3,
fb733336 1271 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1272 WLAN_CATEGORY_HT = 7,
fea14732 1273 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1274 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
cfdfa4d3
S		 1275 WLAN_CATEGORY_MESH_ACTION = 13,
1276 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1277 WLAN_CATEGORY_SELF_PROTECTED = 15,
6b4e3241 1278 WLAN_CATEGORY_WMM = 17,
528769cf
JM		 1279 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1280 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1281};
1282
f2df3859
AK		 1283/* SPECTRUM_MGMT action code */
1284enum ieee80211_spectrum_mgmt_actioncode {
1285 WLAN_ACTION_SPCT_MSR_REQ = 0,
1286 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1287 WLAN_ACTION_SPCT_TPC_REQ = 2,
1288 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1289 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1290};
1291
0f78231b
JB		 1292/* HT action codes */
1293enum ieee80211_ht_actioncode {
1294 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1295 WLAN_HT_ACTION_SMPS = 1,
1296 WLAN_HT_ACTION_PSMP = 2,
1297 WLAN_HT_ACTION_PCO_PHASE = 3,
1298 WLAN_HT_ACTION_CSI = 4,
1299 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1300 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1301 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1302};
1303
6709a6d9
TP		 1304/* Self Protected Action codes */
1305enum ieee80211_self_protected_actioncode {
1306 WLAN_SP_RESERVED = 0,
1307 WLAN_SP_MESH_PEERING_OPEN = 1,
1308 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1309 WLAN_SP_MESH_PEERING_CLOSE = 3,
1310 WLAN_SP_MGK_INFORM = 4,
1311 WLAN_SP_MGK_ACK = 5,
1312};
1313
36c704fd
TP		 1314/* Mesh action codes */
1315enum ieee80211_mesh_actioncode {
1316 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1317 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1318 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1319 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1320 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1321 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1322 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1323 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1324 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1325 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1326 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1327};
1328
e31a16d6
ZY		 1329/* Security key length */
1330enum ieee80211_key_len {
1331 WLAN_KEY_LEN_WEP40 = 5,
1332 WLAN_KEY_LEN_WEP104 = 13,
1333 WLAN_KEY_LEN_CCMP = 16,
1334 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1335 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1336};
1337
c80d545d
JC		 1338/**
1339 * enum - mesh path selection protocol identifier
1340 *
1341 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1342 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1343 * be specified in a vendor specific information element
1344 */
1345enum {
1346 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1347 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1348};
1349
1350/**
1351 * enum - mesh path selection metric identifier
1352 *
1353 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1354 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1355 * specified in a vendor specific information element
1356 */
1357enum {
1358 IEEE80211_PATH_METRIC_AIRTIME = 0,
1359 IEEE80211_PATH_METRIC_VENDOR = 255,
1360};
1361
1362
3f2355cb
LR		 1363/*
1364 * IEEE 802.11-2007 7.3.2.9 Country information element
1365 *
1366 * Minimum length is 8 octets, ie len must be evenly
1367 * divisible by 2
1368 */
1369
1370/* Although the spec says 8 I'm seeing 6 in practice */
1371#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1372
80751e2b
BZ		 1373/* The Country String field of the element shall be 3 octets in length */
1374#define IEEE80211_COUNTRY_STRING_LEN 3
1375
3f2355cb
LR		 1376/*
1377 * For regulatory extension stuff see IEEE 802.11-2007
1378 * Annex I (page 1141) and Annex J (page 1147). Also
1379 * review 7.3.2.9.
1380 *
1381 * When dot11RegulatoryClassesRequired is true and the
1382 * first_channel/reg_extension_id is >= 201 then the IE
1383 * compromises of the 'ext' struct represented below:
1384 *
1385 * - Regulatory extension ID - when generating IE this just needs
1386 * to be monotonically increasing for each triplet passed in
1387 * the IE
1388 * - Regulatory class - index into set of rules
1389 * - Coverage class - index into air propagation time (Table 7-27),
1390 * in microseconds, you can compute the air propagation time from
1391 * the index by multiplying by 3, so index 10 yields a propagation
1392 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1393 * yet. A value of 0 inicates air propagation of <= 1 us.
1394 *
1395 * See also Table I.2 for Emission limit sets and table
1396 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1397 * a reg_class to an emission limit set and behavior limit set.
1398 */
1399#define IEEE80211_COUNTRY_EXTENSION_ID 201
1400
1401/*
1402 * Channels numbers in the IE must be monotonically increasing
1403 * if dot11RegulatoryClassesRequired is not true.
1404 *
1405 * If dot11RegulatoryClassesRequired is true consecutive
1406 * subband triplets following a regulatory triplet shall
1407 * have monotonically increasing first_channel number fields.
1408 *
1409 * Channel numbers shall not overlap.
1410 *
1411 * Note that max_power is signed.
1412 */
1413struct ieee80211_country_ie_triplet {
1414 union {
1415 struct {
1416 u8 first_channel;
1417 u8 num_channels;
1418 s8 max_power;
1419 } __attribute__ ((packed)) chans;
1420 struct {
1421 u8 reg_extension_id;
1422 u8 reg_class;
1423 u8 coverage_class;
1424 } __attribute__ ((packed)) ext;
1425 };
1426} __attribute__ ((packed));
1427
f797eb7e
JM		 1428enum ieee80211_timeout_interval_type {
1429 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1430 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1431 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1432};
1433
6b4e3241
RR		 1434/* BACK action code */
1435enum ieee80211_back_actioncode {
1436 WLAN_ACTION_ADDBA_REQ = 0,
1437 WLAN_ACTION_ADDBA_RESP = 1,
1438 WLAN_ACTION_DELBA = 2,
1439};
1440
07db2183
RR		 1441/* BACK (block-ack) parties */
1442enum ieee80211_back_parties {
1443 WLAN_BACK_RECIPIENT = 0,
1444 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 1445};
1446
fea14732
JM		 1447/* SA Query action */
1448enum ieee80211_sa_query_action {
1449 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1450 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1451};
1452
1453
a9de8ce0
JB		 1454/* cipher suite selectors */
1455#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1456#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1457#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1458/* reserved: 0x000FAC03 */
1459#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1460#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1461#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1462
6a669e65
JB		 1463/* AKM suite selectors */
1464#define WLAN_AKM_SUITE_8021X 0x000FAC01
1465#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S		 1466#define WLAN_AKM_SUITE_SAE 0x000FAC08
1467#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1468
a9de8ce0
JB		 1469#define WLAN_MAX_KEY_LEN 32
1470
67fbb16b
SO		 1471#define WLAN_PMKID_LEN 16
1472
856799d5
KV		 1473/*
1474 * WMM/802.11e Tspec Element
1475 */
1476#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1477#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1478
1479enum ieee80211_tspec_status_code {
1480 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1481 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1482};
1483
1484struct ieee80211_tspec_ie {
1485 u8 element_id;
1486 u8 len;
1487 u8 oui[3];
1488 u8 oui_type;
1489 u8 oui_subtype;
1490 u8 version;
1491 __le16 tsinfo;
1492 u8 tsinfo_resvd;
1493 __le16 nominal_msdu;
1494 __le16 max_msdu;
1495 __le32 min_service_int;
1496 __le32 max_service_int;
1497 __le32 inactivity_int;
1498 __le32 suspension_int;
1499 __le32 service_start_time;
1500 __le32 min_data_rate;
1501 __le32 mean_data_rate;
1502 __le32 peak_data_rate;
1503 __le32 max_burst_size;
1504 __le32 delay_bound;
1505 __le32 min_phy_rate;
1506 __le16 sba;
1507 __le16 medium_time;
1508} __packed;
1509
fd7c8a40
HH		 1510/**
1511 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1512 * @hdr: the frame
1513 *
1514 * The qos ctrl bytes come after the frame_control, duration, seq_num
1515 * and 3 or 4 addresses of length ETH_ALEN.
1516 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1517 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1518 */
1519static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1520{
1521 if (ieee80211_has_a4(hdr->frame_control))
1522 return (u8 *)hdr + 30;
1523 else
1524 return (u8 *)hdr + 24;
1525}
1526
f97df02e
JB		 1527/**
1528 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1529 * @hdr: the frame
f97df02e
JB		 1530 *
1531 * Given an 802.11 frame, this function returns the offset
1532 * to the source address (SA). It does not verify that the
1533 * header is long enough to contain the address, and the
1534 * header must be long enough to contain the frame control
1535 * field.
f97df02e
JB		 1536 */
1537static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1538{
fd7c8a40 1539 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1540 return hdr->addr4;
fd7c8a40
HH		 1541 if (ieee80211_has_fromds(hdr->frame_control))
1542 return hdr->addr3;
1543 return hdr->addr2;
f97df02e
JB		 1544}
1545
1546/**
1547 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1548 * @hdr: the frame
f97df02e
JB		 1549 *
1550 * Given an 802.11 frame, this function returns the offset
1551 * to the destination address (DA). It does not verify that
1552 * the header is long enough to contain the address, and the
1553 * header must be long enough to contain the frame control
1554 * field.
f97df02e
JB		 1555 */
1556static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1557{
fd7c8a40 1558 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1559 return hdr->addr3;
5a433b3a
HH		 1560 else
1561 return hdr->addr1;
f97df02e
JB		 1562}
1563
fb733336
JM		 1564/**
1565 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1566 * @hdr: the frame (buffer must include at least the first octet of payload)
1567 */
1568static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1569{
1570 if (ieee80211_is_disassoc(hdr->frame_control) ||
1571 ieee80211_is_deauth(hdr->frame_control))
1572 return true;
1573
1574 if (ieee80211_is_action(hdr->frame_control)) {
1575 u8 *category;
1576
1577 /*
1578 * Action frames, excluding Public Action frames, are Robust
1579 * Management Frames. However, if we are looking at a Protected
1580 * frame, skip the check since the data may be encrypted and
1581 * the frame has already been found to be a Robust Management
1582 * Frame (by the other end).
1583 */
1584 if (ieee80211_has_protected(hdr->frame_control))
1585 return true;
1586 category = ((u8 *) hdr) + 24;
528769cf
JM		 1587 return *category != WLAN_CATEGORY_PUBLIC &&
1588 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1589 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1590 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1591 }
1592
1593 return false;
1594}
1595
9ee677c2
DK		 1596/**
1597 * ieee80211_fhss_chan_to_freq - get channel frequency
1598 * @channel: the FHSS channel
1599 *
1600 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1601 * Ref IEEE 802.11-2007 section 14.6
1602 */
1603static inline int ieee80211_fhss_chan_to_freq(int channel)
1604{
1605 if ((channel > 1) && (channel < 96))
1606 return channel + 2400;
1607 else
1608 return -1;
1609}
1610
1611/**
1612 * ieee80211_freq_to_fhss_chan - get channel
1613 * @freq: the channels frequency
1614 *
1615 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1616 * Ref IEEE 802.11-2007 section 14.6
1617 */
1618static inline int ieee80211_freq_to_fhss_chan(int freq)
1619{
1620 if ((freq > 2401) && (freq < 2496))
1621 return freq - 2400;
1622 else
1623 return -1;
1624}
1625
1626/**
1627 * ieee80211_dsss_chan_to_freq - get channel center frequency
1628 * @channel: the DSSS channel
1629 *
1630 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1631 * Ref IEEE 802.11-2007 section 15.6
1632 */
1633static inline int ieee80211_dsss_chan_to_freq(int channel)
1634{
1635 if ((channel > 0) && (channel < 14))
1636 return 2407 + (channel * 5);
1637 else if (channel == 14)
1638 return 2484;
1639 else
1640 return -1;
1641}
1642
1643/**
1644 * ieee80211_freq_to_dsss_chan - get channel
1645 * @freq: the frequency
1646 *
1647 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1648 * Ref IEEE 802.11-2007 section 15.6
1649 *
1650 * This routine selects the channel with the closest center frequency.
1651 */
1652static inline int ieee80211_freq_to_dsss_chan(int freq)
1653{
1654 if ((freq >= 2410) && (freq < 2475))
1655 return (freq - 2405) / 5;
1656 else if ((freq >= 2482) && (freq < 2487))
1657 return 14;
1658 else
1659 return -1;
1660}
1661
1662/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1663 * Ref IEEE 802.11-2007 section 18.4.6.2
1664 *
1665 * The channels and frequencies are the same as those defined for DSSS
1666 */
1667#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1668#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1669
1670/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1671 * Ref IEEE 802.11-2007 section 19.4.2
1672 */
1673#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1674#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1675
1676/**
1677 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1678 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1679 * @channel: the OFDM channel
1680 *
1681 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1682 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1683 */
1684static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1685{
1686 if ((channel > 0) && (channel <= 200) &&
1687 (s_freq >= 4000))
1688 return s_freq + (channel * 5);
1689 else
1690 return -1;
1691}
1692
1693/**
1694 * ieee80211_freq_to_ofdm_channel - get channel
1695 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1696 * @freq: the frequency
1697 *
1698 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1699 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1700 *
1701 * This routine selects the channel with the closest center frequency.
1702 */
1703static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1704{
1705 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1706 (s_freq >= 4000))
1707 return (freq + 2 - s_freq) / 5;
1708 else
1709 return -1;
1710}
1711
10f644a4
JB		 1712/**
1713 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1714 * @tu: the TUs
1715 */
1716static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1717{
1718 return 1024 * tu;
1719}
1720
e7ec86f5
JB		 1721/**
1722 * ieee80211_check_tim - check if AID bit is set in TIM
1723 * @tim: the TIM IE
1724 * @tim_len: length of the TIM IE
1725 * @aid: the AID to look for
1726 */
1727static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1728 u8 tim_len, u16 aid)
1729{
1730 u8 mask;
1731 u8 index, indexn1, indexn2;
1732
1733 if (unlikely(!tim || tim_len < sizeof(*tim)))
1734 return false;
1735
1736 aid &= 0x3fff;
1737 index = aid / 8;
1738 mask = 1 << (aid & 7);
1739
1740 indexn1 = tim->bitmap_ctrl & 0xfe;
1741 indexn2 = tim_len + indexn1 - 4;
1742
1743 if (index < indexn1 || index > indexn2)
1744 return false;
1745
1746 index -= indexn1;
1747
1748 return !!(tim->virtual_map[index] & mask);
1749}
1750
9387b7ca 1751#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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