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mac80211: Purge A-MPDU TX queues before station destructions
[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
6cc00d54 131#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
04b7dcf9
JB		 132/* A-MSDU 802.11n */
133#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
2154c81c
JC		 134/* Mesh Control 802.11s */
135#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 136
ab13315a
KV		 137/* U-APSD queue for WMM IEs sent by AP */
138#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 139#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 140
141/* U-APSD queues for WMM IEs sent by STA */
142#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
143#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
144#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
145#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
146#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
147
148/* U-APSD max SP length for WMM IEs sent by STA */
149#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
150#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
151#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
152#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
153#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
154#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
155
d0dd2de0
AT		 156#define IEEE80211_HT_CTL_LEN 4
157
a9de8ce0
JB		 158struct ieee80211_hdr {
159 __le16 frame_control;
160 __le16 duration_id;
161 u8 addr1[6];
162 u8 addr2[6];
163 u8 addr3[6];
164 __le16 seq_ctrl;
165 u8 addr4[6];
166} __attribute__ ((packed));
167
7044cc56
KV		 168struct ieee80211_hdr_3addr {
169 __le16 frame_control;
170 __le16 duration_id;
171 u8 addr1[6];
172 u8 addr2[6];
173 u8 addr3[6];
174 __le16 seq_ctrl;
175} __attribute__ ((packed));
176
558a6669
KV		 177struct ieee80211_qos_hdr {
178 __le16 frame_control;
179 __le16 duration_id;
180 u8 addr1[6];
181 u8 addr2[6];
182 u8 addr3[6];
183 __le16 seq_ctrl;
184 __le16 qos_ctrl;
185} __attribute__ ((packed));
186
fd7c8a40
HH		 187/**
188 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
189 * @fc: frame control bytes in little-endian byteorder
190 */
191static inline int ieee80211_has_tods(__le16 fc)
192{
193 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
194}
195
196/**
197 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
198 * @fc: frame control bytes in little-endian byteorder
199 */
200static inline int ieee80211_has_fromds(__le16 fc)
201{
202 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
203}
204
205/**
206 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
207 * @fc: frame control bytes in little-endian byteorder
208 */
209static inline int ieee80211_has_a4(__le16 fc)
210{
211 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
212 return (fc & tmp) == tmp;
213}
214
215/**
216 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
217 * @fc: frame control bytes in little-endian byteorder
218 */
219static inline int ieee80211_has_morefrags(__le16 fc)
220{
221 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
222}
223
224/**
225 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
226 * @fc: frame control bytes in little-endian byteorder
227 */
228static inline int ieee80211_has_retry(__le16 fc)
229{
230 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
231}
232
233/**
234 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
235 * @fc: frame control bytes in little-endian byteorder
236 */
237static inline int ieee80211_has_pm(__le16 fc)
238{
239 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
240}
241
242/**
243 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
244 * @fc: frame control bytes in little-endian byteorder
245 */
246static inline int ieee80211_has_moredata(__le16 fc)
247{
248 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
249}
250
251/**
252 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
253 * @fc: frame control bytes in little-endian byteorder
254 */
255static inline int ieee80211_has_protected(__le16 fc)
256{
257 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
258}
259
260/**
261 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
262 * @fc: frame control bytes in little-endian byteorder
263 */
264static inline int ieee80211_has_order(__le16 fc)
265{
266 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
267}
268
269/**
270 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
271 * @fc: frame control bytes in little-endian byteorder
272 */
273static inline int ieee80211_is_mgmt(__le16 fc)
274{
275 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
276 cpu_to_le16(IEEE80211_FTYPE_MGMT);
277}
278
279/**
280 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
281 * @fc: frame control bytes in little-endian byteorder
282 */
283static inline int ieee80211_is_ctl(__le16 fc)
284{
285 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
286 cpu_to_le16(IEEE80211_FTYPE_CTL);
287}
288
289/**
290 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
291 * @fc: frame control bytes in little-endian byteorder
292 */
293static inline int ieee80211_is_data(__le16 fc)
294{
295 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
296 cpu_to_le16(IEEE80211_FTYPE_DATA);
297}
298
299/**
300 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
301 * @fc: frame control bytes in little-endian byteorder
302 */
303static inline int ieee80211_is_data_qos(__le16 fc)
304{
305 /*
306 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
307 * to check the one bit
308 */
309 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
310 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
311}
312
313/**
314 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
315 * @fc: frame control bytes in little-endian byteorder
316 */
317static inline int ieee80211_is_data_present(__le16 fc)
318{
319 /*
320 * mask with 0x40 and test that that bit is clear to only return true
321 * for the data-containing substypes.
322 */
323 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
324 cpu_to_le16(IEEE80211_FTYPE_DATA);
325}
326
327/**
328 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
329 * @fc: frame control bytes in little-endian byteorder
330 */
331static inline int ieee80211_is_assoc_req(__le16 fc)
332{
333 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
334 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
335}
336
337/**
338 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
339 * @fc: frame control bytes in little-endian byteorder
340 */
341static inline int ieee80211_is_assoc_resp(__le16 fc)
342{
343 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
344 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
345}
346
347/**
348 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
349 * @fc: frame control bytes in little-endian byteorder
350 */
351static inline int ieee80211_is_reassoc_req(__le16 fc)
352{
353 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
354 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
355}
356
357/**
358 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
359 * @fc: frame control bytes in little-endian byteorder
360 */
361static inline int ieee80211_is_reassoc_resp(__le16 fc)
362{
363 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
364 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
365}
366
367/**
368 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
369 * @fc: frame control bytes in little-endian byteorder
370 */
371static inline int ieee80211_is_probe_req(__le16 fc)
372{
373 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
374 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
375}
376
377/**
378 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
379 * @fc: frame control bytes in little-endian byteorder
380 */
381static inline int ieee80211_is_probe_resp(__le16 fc)
382{
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
384 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
385}
386
387/**
388 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
389 * @fc: frame control bytes in little-endian byteorder
390 */
391static inline int ieee80211_is_beacon(__le16 fc)
392{
393 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
394 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
395}
396
397/**
398 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
399 * @fc: frame control bytes in little-endian byteorder
400 */
401static inline int ieee80211_is_atim(__le16 fc)
402{
403 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
404 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
405}
406
407/**
408 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
409 * @fc: frame control bytes in little-endian byteorder
410 */
411static inline int ieee80211_is_disassoc(__le16 fc)
412{
413 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
414 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
415}
416
417/**
418 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
419 * @fc: frame control bytes in little-endian byteorder
420 */
421static inline int ieee80211_is_auth(__le16 fc)
422{
423 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
424 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
425}
426
427/**
428 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
429 * @fc: frame control bytes in little-endian byteorder
430 */
431static inline int ieee80211_is_deauth(__le16 fc)
432{
433 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
434 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
435}
436
437/**
438 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
439 * @fc: frame control bytes in little-endian byteorder
440 */
441static inline int ieee80211_is_action(__le16 fc)
442{
443 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
444 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
445}
446
447/**
448 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
449 * @fc: frame control bytes in little-endian byteorder
450 */
451static inline int ieee80211_is_back_req(__le16 fc)
452{
453 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
454 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
455}
456
457/**
458 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
459 * @fc: frame control bytes in little-endian byteorder
460 */
461static inline int ieee80211_is_back(__le16 fc)
462{
463 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
464 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
465}
466
467/**
468 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
469 * @fc: frame control bytes in little-endian byteorder
470 */
471static inline int ieee80211_is_pspoll(__le16 fc)
472{
473 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
474 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
475}
476
477/**
478 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
479 * @fc: frame control bytes in little-endian byteorder
480 */
481static inline int ieee80211_is_rts(__le16 fc)
482{
483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
484 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
485}
486
487/**
488 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
489 * @fc: frame control bytes in little-endian byteorder
490 */
491static inline int ieee80211_is_cts(__le16 fc)
492{
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
495}
496
497/**
498 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
499 * @fc: frame control bytes in little-endian byteorder
500 */
501static inline int ieee80211_is_ack(__le16 fc)
502{
503 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
504 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
505}
506
507/**
508 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
509 * @fc: frame control bytes in little-endian byteorder
510 */
511static inline int ieee80211_is_cfend(__le16 fc)
512{
513 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
514 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
515}
516
517/**
518 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
519 * @fc: frame control bytes in little-endian byteorder
520 */
521static inline int ieee80211_is_cfendack(__le16 fc)
522{
523 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
524 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
525}
526
527/**
22403def 528 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 529 * @fc: frame control bytes in little-endian byteorder
530 */
531static inline int ieee80211_is_nullfunc(__le16 fc)
532{
533 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
534 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
535}
a9de8ce0 536
22403def
JB		 537/**
538 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
539 * @fc: frame control bytes in little-endian byteorder
540 */
541static inline int ieee80211_is_qos_nullfunc(__le16 fc)
542{
543 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
544 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
545}
546
37c57989
LCC		 547struct ieee80211s_hdr {
548 u8 flags;
549 u8 ttl;
51ceddad 550 __le32 seqnum;
37c57989
LCC		 551 u8 eaddr1[6];
552 u8 eaddr2[6];
37c57989
LCC		 553} __attribute__ ((packed));
554
79617dee
Y		 555/* Mesh flags */
556#define MESH_FLAGS_AE_A4 0x1
557#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 558#define MESH_FLAGS_AE 0x3
79617dee
Y		 559#define MESH_FLAGS_PS_DEEP 0x4
560
f2df3859
AK		 561/**
562 * struct ieee80211_quiet_ie
563 *
564 * This structure refers to "Quiet information element"
565 */
566struct ieee80211_quiet_ie {
567 u8 count;
568 u8 period;
569 __le16 duration;
570 __le16 offset;
571} __attribute__ ((packed));
572
573/**
574 * struct ieee80211_msrment_ie
575 *
576 * This structure refers to "Measurement Request/Report information element"
577 */
578struct ieee80211_msrment_ie {
579 u8 token;
580 u8 mode;
581 u8 type;
582 u8 request[0];
583} __attribute__ ((packed));
584
585/**
586 * struct ieee80211_channel_sw_ie
587 *
588 * This structure refers to "Channel Switch Announcement information element"
589 */
590struct ieee80211_channel_sw_ie {
591 u8 mode;
592 u8 new_ch_num;
593 u8 count;
594} __attribute__ ((packed));
37c57989 595
98f7dfd8
EG		 596/**
597 * struct ieee80211_tim
598 *
599 * This structure refers to "Traffic Indication Map information element"
600 */
601struct ieee80211_tim_ie {
602 u8 dtim_count;
603 u8 dtim_period;
604 u8 bitmap_ctrl;
605 /* variable size: 1 - 251 bytes */
e7ec86f5 606 u8 virtual_map[1];
98f7dfd8
EG		 607} __attribute__ ((packed));
608
136cfa28
RP		 609/**
610 * struct ieee80211_meshconf_ie
611 *
612 * This structure refers to "Mesh Configuration information element"
613 */
614struct ieee80211_meshconf_ie {
615 u8 meshconf_psel;
616 u8 meshconf_pmetric;
617 u8 meshconf_congest;
618 u8 meshconf_synch;
619 u8 meshconf_auth;
620 u8 meshconf_form;
621 u8 meshconf_cap;
622} __attribute__ ((packed));
623
90a5e169
RP		 624/**
625 * struct ieee80211_rann_ie
626 *
627 * This structure refers to "Root Announcement information element"
628 */
629struct ieee80211_rann_ie {
630 u8 rann_flags;
631 u8 rann_hopcount;
632 u8 rann_ttl;
633 u8 rann_addr[6];
634 u32 rann_seq;
25d49e4d 635 u32 rann_interval;
90a5e169
RP		 636 u32 rann_metric;
637} __attribute__ ((packed));
638
5ee68e5b
JC		 639enum ieee80211_rann_flags {
640 RANN_FLAG_IS_GATE = 1 << 0,
641};
642
9dfd6ba3 643#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 644
a9de8ce0
JB		 645struct ieee80211_mgmt {
646 __le16 frame_control;
647 __le16 duration;
648 u8 da[6];
649 u8 sa[6];
650 u8 bssid[6];
651 __le16 seq_ctrl;
652 union {
653 struct {
654 __le16 auth_alg;
655 __le16 auth_transaction;
656 __le16 status_code;
657 /* possibly followed by Challenge text */
658 u8 variable[0];
659 } __attribute__ ((packed)) auth;
660 struct {
661 __le16 reason_code;
662 } __attribute__ ((packed)) deauth;
663 struct {
664 __le16 capab_info;
665 __le16 listen_interval;
666 /* followed by SSID and Supported rates */
667 u8 variable[0];
668 } __attribute__ ((packed)) assoc_req;
669 struct {
670 __le16 capab_info;
671 __le16 status_code;
672 __le16 aid;
673 /* followed by Supported rates */
674 u8 variable[0];
675 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
676 struct {
677 __le16 capab_info;
678 __le16 listen_interval;
679 u8 current_ap[6];
680 /* followed by SSID and Supported rates */
681 u8 variable[0];
682 } __attribute__ ((packed)) reassoc_req;
683 struct {
684 __le16 reason_code;
685 } __attribute__ ((packed)) disassoc;
686 struct {
687 __le64 timestamp;
688 __le16 beacon_int;
689 __le16 capab_info;
690 /* followed by some of SSID, Supported rates,
691 * FH Params, DS Params, CF Params, IBSS Params, TIM */
692 u8 variable[0];
693 } __attribute__ ((packed)) beacon;
694 struct {
695 /* only variable items: SSID, Supported rates */
696 u8 variable[0];
697 } __attribute__ ((packed)) probe_req;
698 struct {
699 __le64 timestamp;
700 __le16 beacon_int;
701 __le16 capab_info;
702 /* followed by some of SSID, Supported rates,
703 * FH Params, DS Params, CF Params, IBSS Params */
704 u8 variable[0];
705 } __attribute__ ((packed)) probe_resp;
706 struct {
707 u8 category;
708 union {
709 struct {
710 u8 action_code;
711 u8 dialog_token;
712 u8 status_code;
713 u8 variable[0];
714 } __attribute__ ((packed)) wme_action;
715 struct{
716 u8 action_code;
717 u8 element_id;
718 u8 length;
f2df3859 719 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 720 } __attribute__((packed)) chan_switch;
f2df3859
AK		 721 struct{
722 u8 action_code;
723 u8 dialog_token;
724 u8 element_id;
725 u8 length;
726 struct ieee80211_msrment_ie msr_elem;
727 } __attribute__((packed)) measurement;
6b4e3241
RR		 728 struct{
729 u8 action_code;
730 u8 dialog_token;
731 __le16 capab;
732 __le16 timeout;
733 __le16 start_seq_num;
734 } __attribute__((packed)) addba_req;
735 struct{
736 u8 action_code;
737 u8 dialog_token;
738 __le16 status;
739 __le16 capab;
740 __le16 timeout;
741 } __attribute__((packed)) addba_resp;
742 struct{
743 u8 action_code;
744 __le16 params;
745 __le16 reason_code;
746 } __attribute__((packed)) delba;
6709a6d9
TP		 747 struct {
748 u8 action_code;
749 u8 variable[0];
750 } __attribute__((packed)) self_prot;
37c57989
LCC		 751 struct{
752 u8 action_code;
753 u8 variable[0];
754 } __attribute__((packed)) mesh_action;
fea14732
JM		 755 struct {
756 u8 action;
757 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
758 } __attribute__ ((packed)) sa_query;
0f78231b
JB		 759 struct {
760 u8 action;
761 u8 smps_control;
762 } __attribute__ ((packed)) ht_smps;
dfe018bf
AN		 763 struct {
764 u8 action_code;
765 u8 dialog_token;
766 __le16 capability;
767 u8 variable[0];
768 } __packed tdls_discover_resp;
a9de8ce0
JB		 769 } u;
770 } __attribute__ ((packed)) action;
771 } u;
772} __attribute__ ((packed));
773
c74d084f
CL		 774/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
775#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
776
44d414db
JB		 777/* mgmt header + 1 byte category code */
778#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
779
a9de8ce0 780
765cb46a
JM		 781/* Management MIC information element (IEEE 802.11w) */
782struct ieee80211_mmie {
783 u8 element_id;
784 u8 length;
785 __le16 key_id;
786 u8 sequence_number[6];
787 u8 mic[8];
788} __attribute__ ((packed));
789
0c28ec58
EP		 790struct ieee80211_vendor_ie {
791 u8 element_id;
792 u8 len;
793 u8 oui[3];
794 u8 oui_type;
795} __packed;
796
a9de8ce0
JB		 797/* Control frames */
798struct ieee80211_rts {
799 __le16 frame_control;
800 __le16 duration;
801 u8 ra[6];
802 u8 ta[6];
803} __attribute__ ((packed));
804
805struct ieee80211_cts {
806 __le16 frame_control;
807 __le16 duration;
808 u8 ra[6];
809} __attribute__ ((packed));
810
fc6971d4
JM		 811struct ieee80211_pspoll {
812 __le16 frame_control;
813 __le16 aid;
814 u8 bssid[6];
815 u8 ta[6];
816} __attribute__ ((packed));
817
dfe018bf
AN		 818/* TDLS */
819
820/* Link-id information element */
821struct ieee80211_tdls_lnkie {
822 u8 ie_type; /* Link Identifier IE */
823 u8 ie_len;
824 u8 bssid[6];
825 u8 init_sta[6];
826 u8 resp_sta[6];
827} __packed;
828
829struct ieee80211_tdls_data {
830 u8 da[6];
831 u8 sa[6];
832 __be16 ether_type;
833 u8 payload_type;
834 u8 category;
835 u8 action_code;
836 union {
837 struct {
838 u8 dialog_token;
839 __le16 capability;
840 u8 variable[0];
841 } __packed setup_req;
842 struct {
843 __le16 status_code;
844 u8 dialog_token;
845 __le16 capability;
846 u8 variable[0];
847 } __packed setup_resp;
848 struct {
849 __le16 status_code;
850 u8 dialog_token;
851 u8 variable[0];
852 } __packed setup_cfm;
853 struct {
854 __le16 reason_code;
855 u8 variable[0];
856 } __packed teardown;
857 struct {
858 u8 dialog_token;
859 u8 variable[0];
860 } __packed discover_req;
861 } u;
862} __packed;
863
6b4e3241
RR		 864/**
865 * struct ieee80211_bar - HT Block Ack Request
866 *
867 * This structure refers to "HT BlockAckReq" as
868 * described in 802.11n draft section 7.2.1.7.1
869 */
870struct ieee80211_bar {
871 __le16 frame_control;
872 __le16 duration;
873 __u8 ra[6];
874 __u8 ta[6];
a8b47ea3
RR		 875 __le16 control;
876 __le16 start_seq_num;
6b4e3241
RR		 877} __attribute__((packed));
878
429a3805 879/* 802.11 BAR control masks */
c1407b6c
HS		 880#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
881#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
882#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
883#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
884#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 885
886#define IEEE80211_HT_MCS_MASK_LEN 10
887
888/**
889 * struct ieee80211_mcs_info - MCS information
890 * @rx_mask: RX mask
9da3e068
LR		 891 * @rx_highest: highest supported RX rate. If set represents
892 * the highest supported RX data rate in units of 1 Mbps.
893 * If this field is 0 this value should not be used to
894 * consider the highest RX data rate supported.
d9fe60de
JB		 895 * @tx_params: TX parameters
896 */
897struct ieee80211_mcs_info {
898 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
899 __le16 rx_highest;
900 u8 tx_params;
901 u8 reserved[3];
902} __attribute__((packed));
903
904/* 802.11n HT capability MSC set */
905#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
906#define IEEE80211_HT_MCS_TX_DEFINED 0x01
907#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
908/* value 0 == 1 stream etc */
909#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
910#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
911#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
912#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
913
914/*
915 * 802.11n D5.0 20.3.5 / 20.6 says:
916 * - indices 0 to 7 and 32 are single spatial stream
917 * - 8 to 31 are multiple spatial streams using equal modulation
918 * [8..15 for two streams, 16..23 for three and 24..31 for four]
919 * - remainder are multiple spatial streams using unequal modulation
920 */
921#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
922#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
923 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
924
6b4e3241
RR		 925/**
926 * struct ieee80211_ht_cap - HT capabilities
927 *
d9fe60de
JB		 928 * This structure is the "HT capabilities element" as
929 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 930 */
931struct ieee80211_ht_cap {
932 __le16 cap_info;
933 u8 ampdu_params_info;
d9fe60de
JB		 934
935 /* 16 bytes MCS information */
936 struct ieee80211_mcs_info mcs;
937
6b4e3241
RR		 938 __le16 extended_ht_cap_info;
939 __le32 tx_BF_cap_info;
940 u8 antenna_selection_info;
941} __attribute__ ((packed));
942
d9fe60de
JB		 943/* 802.11n HT capabilities masks (for cap_info) */
944#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
945#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
946#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 947#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 948#define IEEE80211_HT_CAP_GRN_FLD 0x0010
949#define IEEE80211_HT_CAP_SGI_20 0x0020
950#define IEEE80211_HT_CAP_SGI_40 0x0040
951#define IEEE80211_HT_CAP_TX_STBC 0x0080
952#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 953#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 954#define IEEE80211_HT_CAP_DELAY_BA 0x0400
955#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
956#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 957#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 958#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
959#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
960
4dd365fd
BZ		 961/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
962#define IEEE80211_HT_EXT_CAP_PCO 0x0001
963#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
964#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
965#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
966#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
967#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
968#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
969
d9fe60de
JB		 970/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
971#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
972#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 973#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 974
d1eba248
S		 975/*
976 * Maximum length of AMPDU that the STA can receive.
977 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
978 */
979enum ieee80211_max_ampdu_length_exp {
980 IEEE80211_HT_MAX_AMPDU_8K = 0,
981 IEEE80211_HT_MAX_AMPDU_16K = 1,
982 IEEE80211_HT_MAX_AMPDU_32K = 2,
983 IEEE80211_HT_MAX_AMPDU_64K = 3
984};
985
986#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
987
988/* Minimum MPDU start spacing */
989enum ieee80211_min_mpdu_spacing {
990 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
991 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
992 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
993 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
994 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
995 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
996 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
997 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
998};
999
6b4e3241 1000/**
d9fe60de 1001 * struct ieee80211_ht_info - HT information
6b4e3241 1002 *
d9fe60de
JB		 1003 * This structure is the "HT information element" as
1004 * described in 802.11n D5.0 7.3.2.58
6b4e3241 1005 */
d9fe60de 1006struct ieee80211_ht_info {
6b4e3241
RR		 1007 u8 control_chan;
1008 u8 ht_param;
1009 __le16 operation_mode;
1010 __le16 stbc_param;
1011 u8 basic_set[16];
1012} __attribute__ ((packed));
1013
d9fe60de
JB		 1014/* for ht_param */
1015#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1016#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1017#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1018#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1019#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1020#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1021#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
1022#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
1023
1024/* for operation_mode */
1025#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1026#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1027#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1028#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1029#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1030#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1031#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1032
1033/* for stbc_param */
1034#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1035#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1036#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1037#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1038#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1039#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1040
a9de8ce0 1041
44d414db
JB		 1042/* block-ack parameters */
1043#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1044#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1045#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 1046#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1047#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1048
1049/*
1050 * A-PMDU buffer sizes
1051 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1052 */
1053#define IEEE80211_MIN_AMPDU_BUF 0x8
1054#define IEEE80211_MAX_AMPDU_BUF 0x40
1055
1056
0f78231b 1057/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 1058#define WLAN_HT_CAP_SM_PS_STATIC 0
1059#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1060#define WLAN_HT_CAP_SM_PS_INVALID 2
1061#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1062
0f78231b
JB		 1063/* for SM power control field lower two bits */
1064#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1065#define WLAN_HT_SMPS_CONTROL_STATIC 1
1066#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1067
a9de8ce0
JB		 1068/* Authentication algorithms */
1069#define WLAN_AUTH_OPEN 0
1070#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1071#define WLAN_AUTH_FT 2
cfdfa4d3 1072#define WLAN_AUTH_SAE 3
bb608e9d 1073#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1074
1075#define WLAN_AUTH_CHALLENGE_LEN 128
1076
1077#define WLAN_CAPABILITY_ESS (1<<0)
1078#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1079
333ba732
EP		 1080/*
1081 * A mesh STA sets the ESS and IBSS capability bits to zero.
1082 * however, this holds true for p2p probe responses (in the p2p_find
1083 * phase) as well.
1084 */
1085#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1086 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1087
a9de8ce0
JB		 1088#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1089#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1090#define WLAN_CAPABILITY_PRIVACY (1<<4)
1091#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1092#define WLAN_CAPABILITY_PBCC (1<<6)
1093#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1094
a9de8ce0
JB		 1095/* 802.11h */
1096#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1097#define WLAN_CAPABILITY_QOS (1<<9)
1098#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1099#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK		 1100/* measurement */
1101#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1102#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1103#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1104
1105#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1106#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1107#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1108
a9de8ce0 1109
5628221c
DD		 1110/* 802.11g ERP information element */
1111#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1112#define WLAN_ERP_USE_PROTECTION (1<<1)
1113#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1114
1115/* WLAN_ERP_BARKER_PREAMBLE values */
1116enum {
1117 WLAN_ERP_PREAMBLE_SHORT = 0,
1118 WLAN_ERP_PREAMBLE_LONG = 1,
1119};
1120
a9de8ce0
JB		 1121/* Status codes */
1122enum ieee80211_statuscode {
1123 WLAN_STATUS_SUCCESS = 0,
1124 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1125 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1126 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1127 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1128 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1129 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1130 WLAN_STATUS_CHALLENGE_FAIL = 15,
1131 WLAN_STATUS_AUTH_TIMEOUT = 16,
1132 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1133 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1134 /* 802.11b */
1135 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1136 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1137 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1138 /* 802.11h */
1139 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1140 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1141 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1142 /* 802.11g */
1143 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1144 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1145 /* 802.11w */
1146 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1147 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1148 /* 802.11i */
1149 WLAN_STATUS_INVALID_IE = 40,
1150 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1151 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1152 WLAN_STATUS_INVALID_AKMP = 43,
1153 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1154 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1155 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1156 /* 802.11e */
1157 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1158 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1159 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1160 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1161 WLAN_STATUS_REQUEST_DECLINED = 37,
1162 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1163 WLAN_STATUS_CHANGE_TSPEC = 39,
1164 WLAN_STATUS_WAIT_TS_DELAY = 47,
1165 WLAN_STATUS_NO_DIRECT_LINK = 48,
1166 WLAN_STATUS_STA_NOT_PRESENT = 49,
1167 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1168 /* 802.11s */
1169 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1170 WLAN_STATUS_FCG_NOT_SUPP = 78,
1171 WLAN_STATUS_STA_NO_TBTT = 78,
a9de8ce0
JB		 1172};
1173
1174
1175/* Reason codes */
1176enum ieee80211_reasoncode {
1177 WLAN_REASON_UNSPECIFIED = 1,
1178 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1179 WLAN_REASON_DEAUTH_LEAVING = 3,
1180 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1181 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1182 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1183 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1184 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1185 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1186 /* 802.11h */
1187 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1188 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1189 /* 802.11i */
1190 WLAN_REASON_INVALID_IE = 13,
1191 WLAN_REASON_MIC_FAILURE = 14,
1192 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1193 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1194 WLAN_REASON_IE_DIFFERENT = 17,
1195 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1196 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1197 WLAN_REASON_INVALID_AKMP = 20,
1198 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1199 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1200 WLAN_REASON_IEEE8021X_FAILED = 23,
1201 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1202 /* 802.11e */
1203 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1204 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1205 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1206 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1207 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1208 WLAN_REASON_QSTA_NOT_USE = 37,
1209 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1210 WLAN_REASON_QSTA_TIMEOUT = 39,
1211 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1212 /* 802.11s */
1213 WLAN_REASON_MESH_PEER_CANCELED = 52,
1214 WLAN_REASON_MESH_MAX_PEERS = 53,
1215 WLAN_REASON_MESH_CONFIG = 54,
1216 WLAN_REASON_MESH_CLOSE = 55,
1217 WLAN_REASON_MESH_MAX_RETRIES = 56,
1218 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1219 WLAN_REASON_MESH_INVALID_GTK = 58,
1220 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1221 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1222 WLAN_REASON_MESH_PATH_ERROR = 61,
1223 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1224 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1225 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1226 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1227 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1228};
1229
1230
1231/* Information Element IDs */
1232enum ieee80211_eid {
1233 WLAN_EID_SSID = 0,
1234 WLAN_EID_SUPP_RATES = 1,
1235 WLAN_EID_FH_PARAMS = 2,
1236 WLAN_EID_DS_PARAMS = 3,
1237 WLAN_EID_CF_PARAMS = 4,
1238 WLAN_EID_TIM = 5,
1239 WLAN_EID_IBSS_PARAMS = 6,
1240 WLAN_EID_CHALLENGE = 16,
8e664fb3 1241
a9de8ce0
JB		 1242 WLAN_EID_COUNTRY = 7,
1243 WLAN_EID_HP_PARAMS = 8,
1244 WLAN_EID_HP_TABLE = 9,
1245 WLAN_EID_REQUEST = 10,
8e664fb3 1246
6b4e3241
RR		 1247 WLAN_EID_QBSS_LOAD = 11,
1248 WLAN_EID_EDCA_PARAM_SET = 12,
1249 WLAN_EID_TSPEC = 13,
1250 WLAN_EID_TCLAS = 14,
1251 WLAN_EID_SCHEDULE = 15,
1252 WLAN_EID_TS_DELAY = 43,
1253 WLAN_EID_TCLAS_PROCESSING = 44,
1254 WLAN_EID_QOS_CAPA = 46,
dfe018bf
AN		 1255 /* 802.11z */
1256 WLAN_EID_LINK_ID = 101,
cfdfa4d3
S		 1257 /* 802.11s */
1258 WLAN_EID_MESH_CONFIG = 113,
1259 WLAN_EID_MESH_ID = 114,
1260 WLAN_EID_LINK_METRIC_REPORT = 115,
1261 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S		 1262 WLAN_EID_PEER_MGMT = 117,
1263 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1264 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1265 WLAN_EID_BEACON_TIMING = 120,
1266 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1267 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1268 WLAN_EID_MCCAOP_ADVERT = 123,
1269 WLAN_EID_MCCAOP_TEARDOWN = 124,
1270 WLAN_EID_GANN = 125,
1271 WLAN_EID_RANN = 126,
1272 WLAN_EID_PREQ = 130,
1273 WLAN_EID_PREP = 131,
1274 WLAN_EID_PERR = 132,
1275 WLAN_EID_PXU = 137,
1276 WLAN_EID_PXUC = 138,
1277 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1278 WLAN_EID_MIC = 140,
8e664fb3 1279
a9de8ce0
JB		 1280 WLAN_EID_PWR_CONSTRAINT = 32,
1281 WLAN_EID_PWR_CAPABILITY = 33,
1282 WLAN_EID_TPC_REQUEST = 34,
1283 WLAN_EID_TPC_REPORT = 35,
1284 WLAN_EID_SUPPORTED_CHANNELS = 36,
1285 WLAN_EID_CHANNEL_SWITCH = 37,
1286 WLAN_EID_MEASURE_REQUEST = 38,
1287 WLAN_EID_MEASURE_REPORT = 39,
1288 WLAN_EID_QUIET = 40,
1289 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1290
a9de8ce0
JB		 1291 WLAN_EID_ERP_INFO = 42,
1292 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1293
6b4e3241 1294 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1295 WLAN_EID_HT_INFORMATION = 61,
8e664fb3 1296
a9de8ce0 1297 WLAN_EID_RSN = 48,
8e664fb3 1298 WLAN_EID_MMIE = 76,
a9de8ce0
JB		 1299 WLAN_EID_WPA = 221,
1300 WLAN_EID_GENERIC = 221,
1301 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB		 1302 WLAN_EID_QOS_PARAMETER = 222,
1303
1304 WLAN_EID_AP_CHAN_REPORT = 51,
1305 WLAN_EID_NEIGHBOR_REPORT = 52,
1306 WLAN_EID_RCPI = 53,
1307 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1308 WLAN_EID_ANTENNA_INFO = 64,
1309 WLAN_EID_RSNI = 65,
1310 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1311 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1312 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1313 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1314 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK		 1315 WLAN_EID_BSS_COEX_2040 = 72,
1316 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1317 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB		 1318
1319 WLAN_EID_MOBILITY_DOMAIN = 54,
1320 WLAN_EID_FAST_BSS_TRANSITION = 55,
1321 WLAN_EID_TIMEOUT_INTERVAL = 56,
1322 WLAN_EID_RIC_DATA = 57,
1323 WLAN_EID_RIC_DESCRIPTOR = 75,
1324
1325 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1326 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1327 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
a9de8ce0
JB		 1328};
1329
6b4e3241
RR		 1330/* Action category code */
1331enum ieee80211_category {
1332 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1333 WLAN_CATEGORY_QOS = 1,
1334 WLAN_CATEGORY_DLS = 2,
1335 WLAN_CATEGORY_BACK = 3,
fb733336 1336 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1337 WLAN_CATEGORY_HT = 7,
fea14732 1338 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1339 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
dfe018bf 1340 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S		 1341 WLAN_CATEGORY_MESH_ACTION = 13,
1342 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1343 WLAN_CATEGORY_SELF_PROTECTED = 15,
6b4e3241 1344 WLAN_CATEGORY_WMM = 17,
528769cf
JM		 1345 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1346 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1347};
1348
f2df3859
AK		 1349/* SPECTRUM_MGMT action code */
1350enum ieee80211_spectrum_mgmt_actioncode {
1351 WLAN_ACTION_SPCT_MSR_REQ = 0,
1352 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1353 WLAN_ACTION_SPCT_TPC_REQ = 2,
1354 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1355 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1356};
1357
0f78231b
JB		 1358/* HT action codes */
1359enum ieee80211_ht_actioncode {
1360 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1361 WLAN_HT_ACTION_SMPS = 1,
1362 WLAN_HT_ACTION_PSMP = 2,
1363 WLAN_HT_ACTION_PCO_PHASE = 3,
1364 WLAN_HT_ACTION_CSI = 4,
1365 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1366 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1367 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1368};
1369
6709a6d9
TP		 1370/* Self Protected Action codes */
1371enum ieee80211_self_protected_actioncode {
1372 WLAN_SP_RESERVED = 0,
1373 WLAN_SP_MESH_PEERING_OPEN = 1,
1374 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1375 WLAN_SP_MESH_PEERING_CLOSE = 3,
1376 WLAN_SP_MGK_INFORM = 4,
1377 WLAN_SP_MGK_ACK = 5,
1378};
1379
36c704fd
TP		 1380/* Mesh action codes */
1381enum ieee80211_mesh_actioncode {
1382 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1383 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1384 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1385 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1386 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1387 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1388 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1389 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1390 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1391 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1392 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1393};
1394
e31a16d6
ZY		 1395/* Security key length */
1396enum ieee80211_key_len {
1397 WLAN_KEY_LEN_WEP40 = 5,
1398 WLAN_KEY_LEN_WEP104 = 13,
1399 WLAN_KEY_LEN_CCMP = 16,
1400 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1401 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1402};
1403
dfe018bf
AN		 1404/* Public action codes */
1405enum ieee80211_pub_actioncode {
1406 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1407};
1408
1409/* TDLS action codes */
1410enum ieee80211_tdls_actioncode {
1411 WLAN_TDLS_SETUP_REQUEST = 0,
1412 WLAN_TDLS_SETUP_RESPONSE = 1,
1413 WLAN_TDLS_SETUP_CONFIRM = 2,
1414 WLAN_TDLS_TEARDOWN = 3,
1415 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1416 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1417 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1418 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1419 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1420 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1421 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1422};
1423
1424/*
1425 * TDLS capabililites to be enabled in the 5th byte of the
1426 * @WLAN_EID_EXT_CAPABILITY information element
1427 */
1428#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1429#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1430
1431/* TDLS specific payload type in the LLC/SNAP header */
1432#define WLAN_TDLS_SNAP_RFTYPE 0x2
1433
c80d545d
JC		 1434/**
1435 * enum - mesh path selection protocol identifier
1436 *
1437 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1438 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1439 * be specified in a vendor specific information element
1440 */
1441enum {
1442 IEEE80211_PATH_PROTOCOL_HWMP = 0,
1443 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1444};
1445
1446/**
1447 * enum - mesh path selection metric identifier
1448 *
1449 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1450 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1451 * specified in a vendor specific information element
1452 */
1453enum {
1454 IEEE80211_PATH_METRIC_AIRTIME = 0,
1455 IEEE80211_PATH_METRIC_VENDOR = 255,
1456};
1457
1458
3f2355cb
LR		 1459/*
1460 * IEEE 802.11-2007 7.3.2.9 Country information element
1461 *
1462 * Minimum length is 8 octets, ie len must be evenly
1463 * divisible by 2
1464 */
1465
1466/* Although the spec says 8 I'm seeing 6 in practice */
1467#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1468
80751e2b
BZ		 1469/* The Country String field of the element shall be 3 octets in length */
1470#define IEEE80211_COUNTRY_STRING_LEN 3
1471
3f2355cb
LR		 1472/*
1473 * For regulatory extension stuff see IEEE 802.11-2007
1474 * Annex I (page 1141) and Annex J (page 1147). Also
1475 * review 7.3.2.9.
1476 *
1477 * When dot11RegulatoryClassesRequired is true and the
1478 * first_channel/reg_extension_id is >= 201 then the IE
1479 * compromises of the 'ext' struct represented below:
1480 *
1481 * - Regulatory extension ID - when generating IE this just needs
1482 * to be monotonically increasing for each triplet passed in
1483 * the IE
1484 * - Regulatory class - index into set of rules
1485 * - Coverage class - index into air propagation time (Table 7-27),
1486 * in microseconds, you can compute the air propagation time from
1487 * the index by multiplying by 3, so index 10 yields a propagation
1488 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1489 * yet. A value of 0 inicates air propagation of <= 1 us.
1490 *
1491 * See also Table I.2 for Emission limit sets and table
1492 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1493 * a reg_class to an emission limit set and behavior limit set.
1494 */
1495#define IEEE80211_COUNTRY_EXTENSION_ID 201
1496
1497/*
1498 * Channels numbers in the IE must be monotonically increasing
1499 * if dot11RegulatoryClassesRequired is not true.
1500 *
1501 * If dot11RegulatoryClassesRequired is true consecutive
1502 * subband triplets following a regulatory triplet shall
1503 * have monotonically increasing first_channel number fields.
1504 *
1505 * Channel numbers shall not overlap.
1506 *
1507 * Note that max_power is signed.
1508 */
1509struct ieee80211_country_ie_triplet {
1510 union {
1511 struct {
1512 u8 first_channel;
1513 u8 num_channels;
1514 s8 max_power;
1515 } __attribute__ ((packed)) chans;
1516 struct {
1517 u8 reg_extension_id;
1518 u8 reg_class;
1519 u8 coverage_class;
1520 } __attribute__ ((packed)) ext;
1521 };
1522} __attribute__ ((packed));
1523
f797eb7e
JM		 1524enum ieee80211_timeout_interval_type {
1525 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1526 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1527 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1528};
1529
6b4e3241
RR		 1530/* BACK action code */
1531enum ieee80211_back_actioncode {
1532 WLAN_ACTION_ADDBA_REQ = 0,
1533 WLAN_ACTION_ADDBA_RESP = 1,
1534 WLAN_ACTION_DELBA = 2,
1535};
1536
07db2183
RR		 1537/* BACK (block-ack) parties */
1538enum ieee80211_back_parties {
1539 WLAN_BACK_RECIPIENT = 0,
1540 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 1541};
1542
fea14732
JM		 1543/* SA Query action */
1544enum ieee80211_sa_query_action {
1545 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1546 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1547};
1548
1549
a9de8ce0
JB		 1550/* cipher suite selectors */
1551#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1552#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1553#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1554/* reserved: 0x000FAC03 */
1555#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1556#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1557#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1558
c2e889a7
JM		 1559#define WLAN_CIPHER_SUITE_SMS4 0x00147201
1560
6a669e65
JB		 1561/* AKM suite selectors */
1562#define WLAN_AKM_SUITE_8021X 0x000FAC01
1563#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S		 1564#define WLAN_AKM_SUITE_SAE 0x000FAC08
1565#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1566
a9de8ce0
JB		 1567#define WLAN_MAX_KEY_LEN 32
1568
67fbb16b
SO		 1569#define WLAN_PMKID_LEN 16
1570
0c28ec58
EP		 1571#define WLAN_OUI_WFA 0x506f9a
1572#define WLAN_OUI_TYPE_WFA_P2P 9
1573
856799d5
KV		 1574/*
1575 * WMM/802.11e Tspec Element
1576 */
1577#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1578#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1579
1580enum ieee80211_tspec_status_code {
1581 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1582 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1583};
1584
1585struct ieee80211_tspec_ie {
1586 u8 element_id;
1587 u8 len;
1588 u8 oui[3];
1589 u8 oui_type;
1590 u8 oui_subtype;
1591 u8 version;
1592 __le16 tsinfo;
1593 u8 tsinfo_resvd;
1594 __le16 nominal_msdu;
1595 __le16 max_msdu;
1596 __le32 min_service_int;
1597 __le32 max_service_int;
1598 __le32 inactivity_int;
1599 __le32 suspension_int;
1600 __le32 service_start_time;
1601 __le32 min_data_rate;
1602 __le32 mean_data_rate;
1603 __le32 peak_data_rate;
1604 __le32 max_burst_size;
1605 __le32 delay_bound;
1606 __le32 min_phy_rate;
1607 __le16 sba;
1608 __le16 medium_time;
1609} __packed;
1610
fd7c8a40
HH		 1611/**
1612 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1613 * @hdr: the frame
1614 *
1615 * The qos ctrl bytes come after the frame_control, duration, seq_num
1616 * and 3 or 4 addresses of length ETH_ALEN.
1617 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1618 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1619 */
1620static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1621{
1622 if (ieee80211_has_a4(hdr->frame_control))
1623 return (u8 *)hdr + 30;
1624 else
1625 return (u8 *)hdr + 24;
1626}
1627
f97df02e
JB		 1628/**
1629 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1630 * @hdr: the frame
f97df02e
JB		 1631 *
1632 * Given an 802.11 frame, this function returns the offset
1633 * to the source address (SA). It does not verify that the
1634 * header is long enough to contain the address, and the
1635 * header must be long enough to contain the frame control
1636 * field.
f97df02e
JB		 1637 */
1638static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1639{
fd7c8a40 1640 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1641 return hdr->addr4;
fd7c8a40
HH		 1642 if (ieee80211_has_fromds(hdr->frame_control))
1643 return hdr->addr3;
1644 return hdr->addr2;
f97df02e
JB		 1645}
1646
1647/**
1648 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1649 * @hdr: the frame
f97df02e
JB		 1650 *
1651 * Given an 802.11 frame, this function returns the offset
1652 * to the destination address (DA). It does not verify that
1653 * the header is long enough to contain the address, and the
1654 * header must be long enough to contain the frame control
1655 * field.
f97df02e
JB		 1656 */
1657static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1658{
fd7c8a40 1659 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1660 return hdr->addr3;
5a433b3a
HH		 1661 else
1662 return hdr->addr1;
f97df02e
JB		 1663}
1664
fb733336
JM		 1665/**
1666 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1667 * @hdr: the frame (buffer must include at least the first octet of payload)
1668 */
1669static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1670{
1671 if (ieee80211_is_disassoc(hdr->frame_control) ||
1672 ieee80211_is_deauth(hdr->frame_control))
1673 return true;
1674
1675 if (ieee80211_is_action(hdr->frame_control)) {
1676 u8 *category;
1677
1678 /*
1679 * Action frames, excluding Public Action frames, are Robust
1680 * Management Frames. However, if we are looking at a Protected
1681 * frame, skip the check since the data may be encrypted and
1682 * the frame has already been found to be a Robust Management
1683 * Frame (by the other end).
1684 */
1685 if (ieee80211_has_protected(hdr->frame_control))
1686 return true;
1687 category = ((u8 *) hdr) + 24;
528769cf
JM		 1688 return *category != WLAN_CATEGORY_PUBLIC &&
1689 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1690 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1691 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1692 }
1693
1694 return false;
1695}
1696
3df6eaea
JB		 1697/**
1698 * ieee80211_is_public_action - check if frame is a public action frame
1699 * @hdr: the frame
1700 * @len: length of the frame
1701 */
1702static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
1703 size_t len)
1704{
1705 struct ieee80211_mgmt *mgmt = (void *)hdr;
1706
1707 if (len < IEEE80211_MIN_ACTION_SIZE)
1708 return false;
1709 if (!ieee80211_is_action(hdr->frame_control))
1710 return false;
1711 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
1712}
1713
9ee677c2
DK		 1714/**
1715 * ieee80211_fhss_chan_to_freq - get channel frequency
1716 * @channel: the FHSS channel
1717 *
1718 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1719 * Ref IEEE 802.11-2007 section 14.6
1720 */
1721static inline int ieee80211_fhss_chan_to_freq(int channel)
1722{
1723 if ((channel > 1) && (channel < 96))
1724 return channel + 2400;
1725 else
1726 return -1;
1727}
1728
1729/**
1730 * ieee80211_freq_to_fhss_chan - get channel
1731 * @freq: the channels frequency
1732 *
1733 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1734 * Ref IEEE 802.11-2007 section 14.6
1735 */
1736static inline int ieee80211_freq_to_fhss_chan(int freq)
1737{
1738 if ((freq > 2401) && (freq < 2496))
1739 return freq - 2400;
1740 else
1741 return -1;
1742}
1743
1744/**
1745 * ieee80211_dsss_chan_to_freq - get channel center frequency
1746 * @channel: the DSSS channel
1747 *
1748 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1749 * Ref IEEE 802.11-2007 section 15.6
1750 */
1751static inline int ieee80211_dsss_chan_to_freq(int channel)
1752{
1753 if ((channel > 0) && (channel < 14))
1754 return 2407 + (channel * 5);
1755 else if (channel == 14)
1756 return 2484;
1757 else
1758 return -1;
1759}
1760
1761/**
1762 * ieee80211_freq_to_dsss_chan - get channel
1763 * @freq: the frequency
1764 *
1765 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1766 * Ref IEEE 802.11-2007 section 15.6
1767 *
1768 * This routine selects the channel with the closest center frequency.
1769 */
1770static inline int ieee80211_freq_to_dsss_chan(int freq)
1771{
1772 if ((freq >= 2410) && (freq < 2475))
1773 return (freq - 2405) / 5;
1774 else if ((freq >= 2482) && (freq < 2487))
1775 return 14;
1776 else
1777 return -1;
1778}
1779
1780/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1781 * Ref IEEE 802.11-2007 section 18.4.6.2
1782 *
1783 * The channels and frequencies are the same as those defined for DSSS
1784 */
1785#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1786#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1787
1788/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1789 * Ref IEEE 802.11-2007 section 19.4.2
1790 */
1791#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1792#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1793
1794/**
1795 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1796 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1797 * @channel: the OFDM channel
1798 *
1799 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1800 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1801 */
1802static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1803{
1804 if ((channel > 0) && (channel <= 200) &&
1805 (s_freq >= 4000))
1806 return s_freq + (channel * 5);
1807 else
1808 return -1;
1809}
1810
1811/**
1812 * ieee80211_freq_to_ofdm_channel - get channel
1813 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1814 * @freq: the frequency
1815 *
1816 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1817 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1818 *
1819 * This routine selects the channel with the closest center frequency.
1820 */
1821static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1822{
1823 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1824 (s_freq >= 4000))
1825 return (freq + 2 - s_freq) / 5;
1826 else
1827 return -1;
1828}
1829
10f644a4
JB		 1830/**
1831 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1832 * @tu: the TUs
1833 */
1834static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1835{
1836 return 1024 * tu;
1837}
1838
e7ec86f5
JB		 1839/**
1840 * ieee80211_check_tim - check if AID bit is set in TIM
1841 * @tim: the TIM IE
1842 * @tim_len: length of the TIM IE
1843 * @aid: the AID to look for
1844 */
1845static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1846 u8 tim_len, u16 aid)
1847{
1848 u8 mask;
1849 u8 index, indexn1, indexn2;
1850
1851 if (unlikely(!tim || tim_len < sizeof(*tim)))
1852 return false;
1853
1854 aid &= 0x3fff;
1855 index = aid / 8;
1856 mask = 1 << (aid & 7);
1857
1858 indexn1 = tim->bitmap_ctrl & 0xfe;
1859 indexn2 = tim_len + indexn1 - 4;
1860
1861 if (index < indexn1 || index > indexn2)
1862 return false;
1863
1864 index -= indexn1;
1865
1866 return !!(tim->virtual_map[index] & mask);
1867}
1868
9387b7ca 1869#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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