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mac80211: move TX status handling
[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
3491707a 118#define IEEE80211_MESH_CONFIG_LEN 7
1239cd58 119
fd7c8a40 120#define IEEE80211_QOS_CTL_LEN 2
238f74a2
HH		 121#define IEEE80211_QOS_CTL_TID_MASK 0x000F
122#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
a9de8ce0
JB		 123
124struct ieee80211_hdr {
125 __le16 frame_control;
126 __le16 duration_id;
127 u8 addr1[6];
128 u8 addr2[6];
129 u8 addr3[6];
130 __le16 seq_ctrl;
131 u8 addr4[6];
132} __attribute__ ((packed));
133
fd7c8a40
HH		 134/**
135 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
136 * @fc: frame control bytes in little-endian byteorder
137 */
138static inline int ieee80211_has_tods(__le16 fc)
139{
140 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
141}
142
143/**
144 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
145 * @fc: frame control bytes in little-endian byteorder
146 */
147static inline int ieee80211_has_fromds(__le16 fc)
148{
149 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
150}
151
152/**
153 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
154 * @fc: frame control bytes in little-endian byteorder
155 */
156static inline int ieee80211_has_a4(__le16 fc)
157{
158 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
159 return (fc & tmp) == tmp;
160}
161
162/**
163 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
164 * @fc: frame control bytes in little-endian byteorder
165 */
166static inline int ieee80211_has_morefrags(__le16 fc)
167{
168 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
169}
170
171/**
172 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
173 * @fc: frame control bytes in little-endian byteorder
174 */
175static inline int ieee80211_has_retry(__le16 fc)
176{
177 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
178}
179
180/**
181 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
182 * @fc: frame control bytes in little-endian byteorder
183 */
184static inline int ieee80211_has_pm(__le16 fc)
185{
186 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
187}
188
189/**
190 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
191 * @fc: frame control bytes in little-endian byteorder
192 */
193static inline int ieee80211_has_moredata(__le16 fc)
194{
195 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
196}
197
198/**
199 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
200 * @fc: frame control bytes in little-endian byteorder
201 */
202static inline int ieee80211_has_protected(__le16 fc)
203{
204 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
205}
206
207/**
208 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
209 * @fc: frame control bytes in little-endian byteorder
210 */
211static inline int ieee80211_has_order(__le16 fc)
212{
213 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
214}
215
216/**
217 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
218 * @fc: frame control bytes in little-endian byteorder
219 */
220static inline int ieee80211_is_mgmt(__le16 fc)
221{
222 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
223 cpu_to_le16(IEEE80211_FTYPE_MGMT);
224}
225
226/**
227 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
228 * @fc: frame control bytes in little-endian byteorder
229 */
230static inline int ieee80211_is_ctl(__le16 fc)
231{
232 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
233 cpu_to_le16(IEEE80211_FTYPE_CTL);
234}
235
236/**
237 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
238 * @fc: frame control bytes in little-endian byteorder
239 */
240static inline int ieee80211_is_data(__le16 fc)
241{
242 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
243 cpu_to_le16(IEEE80211_FTYPE_DATA);
244}
245
246/**
247 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
248 * @fc: frame control bytes in little-endian byteorder
249 */
250static inline int ieee80211_is_data_qos(__le16 fc)
251{
252 /*
253 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
254 * to check the one bit
255 */
256 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
257 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
258}
259
260/**
261 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
262 * @fc: frame control bytes in little-endian byteorder
263 */
264static inline int ieee80211_is_data_present(__le16 fc)
265{
266 /*
267 * mask with 0x40 and test that that bit is clear to only return true
268 * for the data-containing substypes.
269 */
270 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
271 cpu_to_le16(IEEE80211_FTYPE_DATA);
272}
273
274/**
275 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
276 * @fc: frame control bytes in little-endian byteorder
277 */
278static inline int ieee80211_is_assoc_req(__le16 fc)
279{
280 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
281 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
282}
283
284/**
285 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
286 * @fc: frame control bytes in little-endian byteorder
287 */
288static inline int ieee80211_is_assoc_resp(__le16 fc)
289{
290 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
291 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
292}
293
294/**
295 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
296 * @fc: frame control bytes in little-endian byteorder
297 */
298static inline int ieee80211_is_reassoc_req(__le16 fc)
299{
300 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
301 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
302}
303
304/**
305 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
306 * @fc: frame control bytes in little-endian byteorder
307 */
308static inline int ieee80211_is_reassoc_resp(__le16 fc)
309{
310 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
311 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
312}
313
314/**
315 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
316 * @fc: frame control bytes in little-endian byteorder
317 */
318static inline int ieee80211_is_probe_req(__le16 fc)
319{
320 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
321 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
322}
323
324/**
325 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
326 * @fc: frame control bytes in little-endian byteorder
327 */
328static inline int ieee80211_is_probe_resp(__le16 fc)
329{
330 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
331 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
332}
333
334/**
335 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
336 * @fc: frame control bytes in little-endian byteorder
337 */
338static inline int ieee80211_is_beacon(__le16 fc)
339{
340 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
341 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
342}
343
344/**
345 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
346 * @fc: frame control bytes in little-endian byteorder
347 */
348static inline int ieee80211_is_atim(__le16 fc)
349{
350 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
351 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
352}
353
354/**
355 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
356 * @fc: frame control bytes in little-endian byteorder
357 */
358static inline int ieee80211_is_disassoc(__le16 fc)
359{
360 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
361 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
362}
363
364/**
365 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
366 * @fc: frame control bytes in little-endian byteorder
367 */
368static inline int ieee80211_is_auth(__le16 fc)
369{
370 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
371 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
372}
373
374/**
375 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
376 * @fc: frame control bytes in little-endian byteorder
377 */
378static inline int ieee80211_is_deauth(__le16 fc)
379{
380 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
381 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
382}
383
384/**
385 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
386 * @fc: frame control bytes in little-endian byteorder
387 */
388static inline int ieee80211_is_action(__le16 fc)
389{
390 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
391 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
392}
393
394/**
395 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
396 * @fc: frame control bytes in little-endian byteorder
397 */
398static inline int ieee80211_is_back_req(__le16 fc)
399{
400 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
401 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
402}
403
404/**
405 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
406 * @fc: frame control bytes in little-endian byteorder
407 */
408static inline int ieee80211_is_back(__le16 fc)
409{
410 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
411 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
412}
413
414/**
415 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
416 * @fc: frame control bytes in little-endian byteorder
417 */
418static inline int ieee80211_is_pspoll(__le16 fc)
419{
420 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
421 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
422}
423
424/**
425 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
426 * @fc: frame control bytes in little-endian byteorder
427 */
428static inline int ieee80211_is_rts(__le16 fc)
429{
430 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
431 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
432}
433
434/**
435 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
436 * @fc: frame control bytes in little-endian byteorder
437 */
438static inline int ieee80211_is_cts(__le16 fc)
439{
440 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
441 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
442}
443
444/**
445 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
446 * @fc: frame control bytes in little-endian byteorder
447 */
448static inline int ieee80211_is_ack(__le16 fc)
449{
450 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
451 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
452}
453
454/**
455 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
456 * @fc: frame control bytes in little-endian byteorder
457 */
458static inline int ieee80211_is_cfend(__le16 fc)
459{
460 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
461 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
462}
463
464/**
465 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
466 * @fc: frame control bytes in little-endian byteorder
467 */
468static inline int ieee80211_is_cfendack(__le16 fc)
469{
470 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
471 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
472}
473
474/**
22403def 475 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 476 * @fc: frame control bytes in little-endian byteorder
477 */
478static inline int ieee80211_is_nullfunc(__le16 fc)
479{
480 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
481 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
482}
a9de8ce0 483
22403def
JB		 484/**
485 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
486 * @fc: frame control bytes in little-endian byteorder
487 */
488static inline int ieee80211_is_qos_nullfunc(__le16 fc)
489{
490 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
491 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
492}
493
37c57989
LCC		 494struct ieee80211s_hdr {
495 u8 flags;
496 u8 ttl;
51ceddad 497 __le32 seqnum;
37c57989
LCC		 498 u8 eaddr1[6];
499 u8 eaddr2[6];
500 u8 eaddr3[6];
501} __attribute__ ((packed));
502
79617dee
Y		 503/* Mesh flags */
504#define MESH_FLAGS_AE_A4 0x1
505#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 506#define MESH_FLAGS_AE 0x3
79617dee
Y		 507#define MESH_FLAGS_PS_DEEP 0x4
508
f2df3859
AK		 509/**
510 * struct ieee80211_quiet_ie
511 *
512 * This structure refers to "Quiet information element"
513 */
514struct ieee80211_quiet_ie {
515 u8 count;
516 u8 period;
517 __le16 duration;
518 __le16 offset;
519} __attribute__ ((packed));
520
521/**
522 * struct ieee80211_msrment_ie
523 *
524 * This structure refers to "Measurement Request/Report information element"
525 */
526struct ieee80211_msrment_ie {
527 u8 token;
528 u8 mode;
529 u8 type;
530 u8 request[0];
531} __attribute__ ((packed));
532
533/**
534 * struct ieee80211_channel_sw_ie
535 *
536 * This structure refers to "Channel Switch Announcement information element"
537 */
538struct ieee80211_channel_sw_ie {
539 u8 mode;
540 u8 new_ch_num;
541 u8 count;
542} __attribute__ ((packed));
37c57989 543
98f7dfd8
EG		 544/**
545 * struct ieee80211_tim
546 *
547 * This structure refers to "Traffic Indication Map information element"
548 */
549struct ieee80211_tim_ie {
550 u8 dtim_count;
551 u8 dtim_period;
552 u8 bitmap_ctrl;
553 /* variable size: 1 - 251 bytes */
e7ec86f5 554 u8 virtual_map[1];
98f7dfd8
EG		 555} __attribute__ ((packed));
556
90a5e169
RP		 557/**
558 * struct ieee80211_rann_ie
559 *
560 * This structure refers to "Root Announcement information element"
561 */
562struct ieee80211_rann_ie {
563 u8 rann_flags;
564 u8 rann_hopcount;
565 u8 rann_ttl;
566 u8 rann_addr[6];
567 u32 rann_seq;
568 u32 rann_metric;
569} __attribute__ ((packed));
570
9dfd6ba3 571#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 572
a9de8ce0
JB		 573struct ieee80211_mgmt {
574 __le16 frame_control;
575 __le16 duration;
576 u8 da[6];
577 u8 sa[6];
578 u8 bssid[6];
579 __le16 seq_ctrl;
580 union {
581 struct {
582 __le16 auth_alg;
583 __le16 auth_transaction;
584 __le16 status_code;
585 /* possibly followed by Challenge text */
586 u8 variable[0];
587 } __attribute__ ((packed)) auth;
588 struct {
589 __le16 reason_code;
590 } __attribute__ ((packed)) deauth;
591 struct {
592 __le16 capab_info;
593 __le16 listen_interval;
594 /* followed by SSID and Supported rates */
595 u8 variable[0];
596 } __attribute__ ((packed)) assoc_req;
597 struct {
598 __le16 capab_info;
599 __le16 status_code;
600 __le16 aid;
601 /* followed by Supported rates */
602 u8 variable[0];
603 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
604 struct {
605 __le16 capab_info;
606 __le16 listen_interval;
607 u8 current_ap[6];
608 /* followed by SSID and Supported rates */
609 u8 variable[0];
610 } __attribute__ ((packed)) reassoc_req;
611 struct {
612 __le16 reason_code;
613 } __attribute__ ((packed)) disassoc;
614 struct {
615 __le64 timestamp;
616 __le16 beacon_int;
617 __le16 capab_info;
618 /* followed by some of SSID, Supported rates,
619 * FH Params, DS Params, CF Params, IBSS Params, TIM */
620 u8 variable[0];
621 } __attribute__ ((packed)) beacon;
622 struct {
623 /* only variable items: SSID, Supported rates */
624 u8 variable[0];
625 } __attribute__ ((packed)) probe_req;
626 struct {
627 __le64 timestamp;
628 __le16 beacon_int;
629 __le16 capab_info;
630 /* followed by some of SSID, Supported rates,
631 * FH Params, DS Params, CF Params, IBSS Params */
632 u8 variable[0];
633 } __attribute__ ((packed)) probe_resp;
634 struct {
635 u8 category;
636 union {
637 struct {
638 u8 action_code;
639 u8 dialog_token;
640 u8 status_code;
641 u8 variable[0];
642 } __attribute__ ((packed)) wme_action;
643 struct{
644 u8 action_code;
645 u8 element_id;
646 u8 length;
f2df3859 647 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 648 } __attribute__((packed)) chan_switch;
f2df3859
AK		 649 struct{
650 u8 action_code;
651 u8 dialog_token;
652 u8 element_id;
653 u8 length;
654 struct ieee80211_msrment_ie msr_elem;
655 } __attribute__((packed)) measurement;
6b4e3241
RR		 656 struct{
657 u8 action_code;
658 u8 dialog_token;
659 __le16 capab;
660 __le16 timeout;
661 __le16 start_seq_num;
662 } __attribute__((packed)) addba_req;
663 struct{
664 u8 action_code;
665 u8 dialog_token;
666 __le16 status;
667 __le16 capab;
668 __le16 timeout;
669 } __attribute__((packed)) addba_resp;
670 struct{
671 u8 action_code;
672 __le16 params;
673 __le16 reason_code;
674 } __attribute__((packed)) delba;
37c57989
LCC		 675 struct{
676 u8 action_code;
677 /* capab_info for open and confirm,
678 * reason for close
679 */
680 __le16 aux;
681 /* Followed in plink_confirm by status
682 * code, AID and supported rates,
683 * and directly by supported rates in
684 * plink_open and plink_close
685 */
686 u8 variable[0];
687 } __attribute__((packed)) plink_action;
688 struct{
689 u8 action_code;
690 u8 variable[0];
691 } __attribute__((packed)) mesh_action;
fea14732
JM		 692 struct {
693 u8 action;
694 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
695 } __attribute__ ((packed)) sa_query;
a9de8ce0
JB		 696 } u;
697 } __attribute__ ((packed)) action;
698 } u;
699} __attribute__ ((packed));
700
44d414db
JB		 701/* mgmt header + 1 byte category code */
702#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
703
a9de8ce0 704
765cb46a
JM		 705/* Management MIC information element (IEEE 802.11w) */
706struct ieee80211_mmie {
707 u8 element_id;
708 u8 length;
709 __le16 key_id;
710 u8 sequence_number[6];
711 u8 mic[8];
712} __attribute__ ((packed));
713
a9de8ce0
JB		 714/* Control frames */
715struct ieee80211_rts {
716 __le16 frame_control;
717 __le16 duration;
718 u8 ra[6];
719 u8 ta[6];
720} __attribute__ ((packed));
721
722struct ieee80211_cts {
723 __le16 frame_control;
724 __le16 duration;
725 u8 ra[6];
726} __attribute__ ((packed));
727
fc6971d4
JM		 728struct ieee80211_pspoll {
729 __le16 frame_control;
730 __le16 aid;
731 u8 bssid[6];
732 u8 ta[6];
733} __attribute__ ((packed));
734
6b4e3241
RR		 735/**
736 * struct ieee80211_bar - HT Block Ack Request
737 *
738 * This structure refers to "HT BlockAckReq" as
739 * described in 802.11n draft section 7.2.1.7.1
740 */
741struct ieee80211_bar {
742 __le16 frame_control;
743 __le16 duration;
744 __u8 ra[6];
745 __u8 ta[6];
a8b47ea3
RR		 746 __le16 control;
747 __le16 start_seq_num;
6b4e3241
RR		 748} __attribute__((packed));
749
429a3805
RR		 750/* 802.11 BAR control masks */
751#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
752#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
753
d9fe60de
JB		 754
755#define IEEE80211_HT_MCS_MASK_LEN 10
756
757/**
758 * struct ieee80211_mcs_info - MCS information
759 * @rx_mask: RX mask
760 * @rx_highest: highest supported RX rate
761 * @tx_params: TX parameters
762 */
763struct ieee80211_mcs_info {
764 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
765 __le16 rx_highest;
766 u8 tx_params;
767 u8 reserved[3];
768} __attribute__((packed));
769
770/* 802.11n HT capability MSC set */
771#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
772#define IEEE80211_HT_MCS_TX_DEFINED 0x01
773#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
774/* value 0 == 1 stream etc */
775#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
776#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
777#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
778#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
779
780/*
781 * 802.11n D5.0 20.3.5 / 20.6 says:
782 * - indices 0 to 7 and 32 are single spatial stream
783 * - 8 to 31 are multiple spatial streams using equal modulation
784 * [8..15 for two streams, 16..23 for three and 24..31 for four]
785 * - remainder are multiple spatial streams using unequal modulation
786 */
787#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
788#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
789 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
790
6b4e3241
RR		 791/**
792 * struct ieee80211_ht_cap - HT capabilities
793 *
d9fe60de
JB		 794 * This structure is the "HT capabilities element" as
795 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 796 */
797struct ieee80211_ht_cap {
798 __le16 cap_info;
799 u8 ampdu_params_info;
d9fe60de
JB		 800
801 /* 16 bytes MCS information */
802 struct ieee80211_mcs_info mcs;
803
6b4e3241
RR		 804 __le16 extended_ht_cap_info;
805 __le32 tx_BF_cap_info;
806 u8 antenna_selection_info;
807} __attribute__ ((packed));
808
d9fe60de
JB		 809/* 802.11n HT capabilities masks (for cap_info) */
810#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
811#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
812#define IEEE80211_HT_CAP_SM_PS 0x000C
813#define IEEE80211_HT_CAP_GRN_FLD 0x0010
814#define IEEE80211_HT_CAP_SGI_20 0x0020
815#define IEEE80211_HT_CAP_SGI_40 0x0040
816#define IEEE80211_HT_CAP_TX_STBC 0x0080
817#define IEEE80211_HT_CAP_RX_STBC 0x0300
818#define IEEE80211_HT_CAP_DELAY_BA 0x0400
819#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
820#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
821#define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000
822#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
823#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
824
825/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
826#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
827#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
828
d1eba248
S		 829/*
830 * Maximum length of AMPDU that the STA can receive.
831 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
832 */
833enum ieee80211_max_ampdu_length_exp {
834 IEEE80211_HT_MAX_AMPDU_8K = 0,
835 IEEE80211_HT_MAX_AMPDU_16K = 1,
836 IEEE80211_HT_MAX_AMPDU_32K = 2,
837 IEEE80211_HT_MAX_AMPDU_64K = 3
838};
839
840#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
841
842/* Minimum MPDU start spacing */
843enum ieee80211_min_mpdu_spacing {
844 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
845 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
846 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
847 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
848 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
849 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
850 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
851 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
852};
853
6b4e3241 854/**
d9fe60de 855 * struct ieee80211_ht_info - HT information
6b4e3241 856 *
d9fe60de
JB		 857 * This structure is the "HT information element" as
858 * described in 802.11n D5.0 7.3.2.58
6b4e3241 859 */
d9fe60de 860struct ieee80211_ht_info {
6b4e3241
RR		 861 u8 control_chan;
862 u8 ht_param;
863 __le16 operation_mode;
864 __le16 stbc_param;
865 u8 basic_set[16];
866} __attribute__ ((packed));
867
d9fe60de
JB		 868/* for ht_param */
869#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
870#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
871#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
872#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
873#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
874#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
875#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
876#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
877
878/* for operation_mode */
879#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
880#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
881#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
882#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
883#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
884#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
885#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
886
887/* for stbc_param */
888#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
889#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
890#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
891#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
892#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
893#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
894
a9de8ce0 895
44d414db
JB		 896/* block-ack parameters */
897#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
898#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
899#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
900#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
901#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
902
903/*
904 * A-PMDU buffer sizes
905 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
906 */
907#define IEEE80211_MIN_AMPDU_BUF 0x8
908#define IEEE80211_MAX_AMPDU_BUF 0x40
909
910
00c5ae2f
TW		 911/* Spatial Multiplexing Power Save Modes */
912#define WLAN_HT_CAP_SM_PS_STATIC 0
913#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
914#define WLAN_HT_CAP_SM_PS_INVALID 2
915#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 916
a9de8ce0
JB		 917/* Authentication algorithms */
918#define WLAN_AUTH_OPEN 0
919#define WLAN_AUTH_SHARED_KEY 1
636a5d36 920#define WLAN_AUTH_FT 2
bb608e9d 921#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 922
923#define WLAN_AUTH_CHALLENGE_LEN 128
924
925#define WLAN_CAPABILITY_ESS (1<<0)
926#define WLAN_CAPABILITY_IBSS (1<<1)
927#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
928#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
929#define WLAN_CAPABILITY_PRIVACY (1<<4)
930#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
931#define WLAN_CAPABILITY_PBCC (1<<6)
932#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 933
a9de8ce0
JB		 934/* 802.11h */
935#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
936#define WLAN_CAPABILITY_QOS (1<<9)
937#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
938#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK		 939/* measurement */
940#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
941#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
942#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
943
944#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
945#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
946#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
947
a9de8ce0 948
5628221c
DD		 949/* 802.11g ERP information element */
950#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
951#define WLAN_ERP_USE_PROTECTION (1<<1)
952#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
953
954/* WLAN_ERP_BARKER_PREAMBLE values */
955enum {
956 WLAN_ERP_PREAMBLE_SHORT = 0,
957 WLAN_ERP_PREAMBLE_LONG = 1,
958};
959
a9de8ce0
JB		 960/* Status codes */
961enum ieee80211_statuscode {
962 WLAN_STATUS_SUCCESS = 0,
963 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
964 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
965 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
966 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
967 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
968 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
969 WLAN_STATUS_CHALLENGE_FAIL = 15,
970 WLAN_STATUS_AUTH_TIMEOUT = 16,
971 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
972 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
973 /* 802.11b */
974 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
975 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
976 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
977 /* 802.11h */
978 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
979 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
980 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
981 /* 802.11g */
982 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
983 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 984 /* 802.11w */
985 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
986 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 987 /* 802.11i */
988 WLAN_STATUS_INVALID_IE = 40,
989 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
990 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
991 WLAN_STATUS_INVALID_AKMP = 43,
992 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
993 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
994 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 995 /* 802.11e */
996 WLAN_STATUS_UNSPECIFIED_QOS = 32,
997 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
998 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
999 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1000 WLAN_STATUS_REQUEST_DECLINED = 37,
1001 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1002 WLAN_STATUS_CHANGE_TSPEC = 39,
1003 WLAN_STATUS_WAIT_TS_DELAY = 47,
1004 WLAN_STATUS_NO_DIRECT_LINK = 48,
1005 WLAN_STATUS_STA_NOT_PRESENT = 49,
1006 WLAN_STATUS_STA_NOT_QSTA = 50,
a9de8ce0
JB		 1007};
1008
1009
1010/* Reason codes */
1011enum ieee80211_reasoncode {
1012 WLAN_REASON_UNSPECIFIED = 1,
1013 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1014 WLAN_REASON_DEAUTH_LEAVING = 3,
1015 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1016 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1017 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1018 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1019 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1020 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1021 /* 802.11h */
1022 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1023 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1024 /* 802.11i */
1025 WLAN_REASON_INVALID_IE = 13,
1026 WLAN_REASON_MIC_FAILURE = 14,
1027 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1028 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1029 WLAN_REASON_IE_DIFFERENT = 17,
1030 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1031 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1032 WLAN_REASON_INVALID_AKMP = 20,
1033 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1034 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1035 WLAN_REASON_IEEE8021X_FAILED = 23,
1036 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1037 /* 802.11e */
1038 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1039 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1040 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1041 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1042 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1043 WLAN_REASON_QSTA_NOT_USE = 37,
1044 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1045 WLAN_REASON_QSTA_TIMEOUT = 39,
1046 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
a9de8ce0
JB		 1047};
1048
1049
1050/* Information Element IDs */
1051enum ieee80211_eid {
1052 WLAN_EID_SSID = 0,
1053 WLAN_EID_SUPP_RATES = 1,
1054 WLAN_EID_FH_PARAMS = 2,
1055 WLAN_EID_DS_PARAMS = 3,
1056 WLAN_EID_CF_PARAMS = 4,
1057 WLAN_EID_TIM = 5,
1058 WLAN_EID_IBSS_PARAMS = 6,
1059 WLAN_EID_CHALLENGE = 16,
1060 /* 802.11d */
1061 WLAN_EID_COUNTRY = 7,
1062 WLAN_EID_HP_PARAMS = 8,
1063 WLAN_EID_HP_TABLE = 9,
1064 WLAN_EID_REQUEST = 10,
6b4e3241
RR		 1065 /* 802.11e */
1066 WLAN_EID_QBSS_LOAD = 11,
1067 WLAN_EID_EDCA_PARAM_SET = 12,
1068 WLAN_EID_TSPEC = 13,
1069 WLAN_EID_TCLAS = 14,
1070 WLAN_EID_SCHEDULE = 15,
1071 WLAN_EID_TS_DELAY = 43,
1072 WLAN_EID_TCLAS_PROCESSING = 44,
1073 WLAN_EID_QOS_CAPA = 46,
d619ee08
LCC		 1074 /* 802.11s
1075 *
1076 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
1077 * The numbers have been incremented from those suggested in
1078 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
1079 * EXT_SUPP_RATES.
1080 */
1081 WLAN_EID_MESH_CONFIG = 51,
1082 WLAN_EID_MESH_ID = 52,
1083 WLAN_EID_PEER_LINK = 55,
1084 WLAN_EID_PREQ = 68,
1085 WLAN_EID_PREP = 69,
1086 WLAN_EID_PERR = 70,
90a5e169 1087 WLAN_EID_RANN = 49, /* compatible with FreeBSD */
a9de8ce0
JB		 1088 /* 802.11h */
1089 WLAN_EID_PWR_CONSTRAINT = 32,
1090 WLAN_EID_PWR_CAPABILITY = 33,
1091 WLAN_EID_TPC_REQUEST = 34,
1092 WLAN_EID_TPC_REPORT = 35,
1093 WLAN_EID_SUPPORTED_CHANNELS = 36,
1094 WLAN_EID_CHANNEL_SWITCH = 37,
1095 WLAN_EID_MEASURE_REQUEST = 38,
1096 WLAN_EID_MEASURE_REPORT = 39,
1097 WLAN_EID_QUIET = 40,
1098 WLAN_EID_IBSS_DFS = 41,
1099 /* 802.11g */
1100 WLAN_EID_ERP_INFO = 42,
1101 WLAN_EID_EXT_SUPP_RATES = 50,
6b4e3241
RR		 1102 /* 802.11n */
1103 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1104 WLAN_EID_HT_INFORMATION = 61,
a9de8ce0
JB		 1105 /* 802.11i */
1106 WLAN_EID_RSN = 48,
f797eb7e 1107 WLAN_EID_TIMEOUT_INTERVAL = 56,
765cb46a 1108 WLAN_EID_MMIE = 76 /* 802.11w */,
a9de8ce0
JB		 1109 WLAN_EID_WPA = 221,
1110 WLAN_EID_GENERIC = 221,
1111 WLAN_EID_VENDOR_SPECIFIC = 221,
1112 WLAN_EID_QOS_PARAMETER = 222
1113};
1114
6b4e3241
RR		 1115/* Action category code */
1116enum ieee80211_category {
1117 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1118 WLAN_CATEGORY_QOS = 1,
1119 WLAN_CATEGORY_DLS = 2,
1120 WLAN_CATEGORY_BACK = 3,
fb733336 1121 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1122 WLAN_CATEGORY_HT = 7,
fea14732 1123 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1124 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
6b4e3241 1125 WLAN_CATEGORY_WMM = 17,
528769cf
JM		 1126 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1127 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1128};
1129
f2df3859
AK		 1130/* SPECTRUM_MGMT action code */
1131enum ieee80211_spectrum_mgmt_actioncode {
1132 WLAN_ACTION_SPCT_MSR_REQ = 0,
1133 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1134 WLAN_ACTION_SPCT_TPC_REQ = 2,
1135 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1136 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1137};
1138
e31a16d6
ZY		 1139/* Security key length */
1140enum ieee80211_key_len {
1141 WLAN_KEY_LEN_WEP40 = 5,
1142 WLAN_KEY_LEN_WEP104 = 13,
1143 WLAN_KEY_LEN_CCMP = 16,
1144 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1145 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1146};
1147
3f2355cb
LR		 1148/*
1149 * IEEE 802.11-2007 7.3.2.9 Country information element
1150 *
1151 * Minimum length is 8 octets, ie len must be evenly
1152 * divisible by 2
1153 */
1154
1155/* Although the spec says 8 I'm seeing 6 in practice */
1156#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1157
1158/*
1159 * For regulatory extension stuff see IEEE 802.11-2007
1160 * Annex I (page 1141) and Annex J (page 1147). Also
1161 * review 7.3.2.9.
1162 *
1163 * When dot11RegulatoryClassesRequired is true and the
1164 * first_channel/reg_extension_id is >= 201 then the IE
1165 * compromises of the 'ext' struct represented below:
1166 *
1167 * - Regulatory extension ID - when generating IE this just needs
1168 * to be monotonically increasing for each triplet passed in
1169 * the IE
1170 * - Regulatory class - index into set of rules
1171 * - Coverage class - index into air propagation time (Table 7-27),
1172 * in microseconds, you can compute the air propagation time from
1173 * the index by multiplying by 3, so index 10 yields a propagation
1174 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1175 * yet. A value of 0 inicates air propagation of <= 1 us.
1176 *
1177 * See also Table I.2 for Emission limit sets and table
1178 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1179 * a reg_class to an emission limit set and behavior limit set.
1180 */
1181#define IEEE80211_COUNTRY_EXTENSION_ID 201
1182
1183/*
1184 * Channels numbers in the IE must be monotonically increasing
1185 * if dot11RegulatoryClassesRequired is not true.
1186 *
1187 * If dot11RegulatoryClassesRequired is true consecutive
1188 * subband triplets following a regulatory triplet shall
1189 * have monotonically increasing first_channel number fields.
1190 *
1191 * Channel numbers shall not overlap.
1192 *
1193 * Note that max_power is signed.
1194 */
1195struct ieee80211_country_ie_triplet {
1196 union {
1197 struct {
1198 u8 first_channel;
1199 u8 num_channels;
1200 s8 max_power;
1201 } __attribute__ ((packed)) chans;
1202 struct {
1203 u8 reg_extension_id;
1204 u8 reg_class;
1205 u8 coverage_class;
1206 } __attribute__ ((packed)) ext;
1207 };
1208} __attribute__ ((packed));
1209
f797eb7e
JM		 1210enum ieee80211_timeout_interval_type {
1211 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1212 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1213 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1214};
1215
6b4e3241
RR		 1216/* BACK action code */
1217enum ieee80211_back_actioncode {
1218 WLAN_ACTION_ADDBA_REQ = 0,
1219 WLAN_ACTION_ADDBA_RESP = 1,
1220 WLAN_ACTION_DELBA = 2,
1221};
1222
07db2183
RR		 1223/* BACK (block-ack) parties */
1224enum ieee80211_back_parties {
1225 WLAN_BACK_RECIPIENT = 0,
1226 WLAN_BACK_INITIATOR = 1,
1227 WLAN_BACK_TIMER = 2,
1228};
1229
fea14732
JM		 1230/* SA Query action */
1231enum ieee80211_sa_query_action {
1232 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1233 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1234};
1235
1236
6b4e3241
RR		 1237/* A-MSDU 802.11n */
1238#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1239
a9de8ce0
JB		 1240/* cipher suite selectors */
1241#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1242#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1243#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1244/* reserved: 0x000FAC03 */
1245#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1246#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1247#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1248
6a669e65
JB		 1249/* AKM suite selectors */
1250#define WLAN_AKM_SUITE_8021X 0x000FAC01
1251#define WLAN_AKM_SUITE_PSK 0x000FAC02
1252
a9de8ce0
JB		 1253#define WLAN_MAX_KEY_LEN 32
1254
fd7c8a40
HH		 1255/**
1256 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1257 * @hdr: the frame
1258 *
1259 * The qos ctrl bytes come after the frame_control, duration, seq_num
1260 * and 3 or 4 addresses of length ETH_ALEN.
1261 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1262 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1263 */
1264static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1265{
1266 if (ieee80211_has_a4(hdr->frame_control))
1267 return (u8 *)hdr + 30;
1268 else
1269 return (u8 *)hdr + 24;
1270}
1271
f97df02e
JB		 1272/**
1273 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1274 * @hdr: the frame
f97df02e
JB		 1275 *
1276 * Given an 802.11 frame, this function returns the offset
1277 * to the source address (SA). It does not verify that the
1278 * header is long enough to contain the address, and the
1279 * header must be long enough to contain the frame control
1280 * field.
f97df02e
JB		 1281 */
1282static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1283{
fd7c8a40 1284 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1285 return hdr->addr4;
fd7c8a40
HH		 1286 if (ieee80211_has_fromds(hdr->frame_control))
1287 return hdr->addr3;
1288 return hdr->addr2;
f97df02e
JB		 1289}
1290
1291/**
1292 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1293 * @hdr: the frame
f97df02e
JB		 1294 *
1295 * Given an 802.11 frame, this function returns the offset
1296 * to the destination address (DA). It does not verify that
1297 * the header is long enough to contain the address, and the
1298 * header must be long enough to contain the frame control
1299 * field.
f97df02e
JB		 1300 */
1301static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1302{
fd7c8a40 1303 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1304 return hdr->addr3;
5a433b3a
HH		 1305 else
1306 return hdr->addr1;
f97df02e
JB		 1307}
1308
fb733336
JM		 1309/**
1310 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1311 * @hdr: the frame (buffer must include at least the first octet of payload)
1312 */
1313static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1314{
1315 if (ieee80211_is_disassoc(hdr->frame_control) ||
1316 ieee80211_is_deauth(hdr->frame_control))
1317 return true;
1318
1319 if (ieee80211_is_action(hdr->frame_control)) {
1320 u8 *category;
1321
1322 /*
1323 * Action frames, excluding Public Action frames, are Robust
1324 * Management Frames. However, if we are looking at a Protected
1325 * frame, skip the check since the data may be encrypted and
1326 * the frame has already been found to be a Robust Management
1327 * Frame (by the other end).
1328 */
1329 if (ieee80211_has_protected(hdr->frame_control))
1330 return true;
1331 category = ((u8 *) hdr) + 24;
528769cf
JM		 1332 return *category != WLAN_CATEGORY_PUBLIC &&
1333 *category != WLAN_CATEGORY_HT &&
1334 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1335 }
1336
1337 return false;
1338}
1339
9ee677c2
DK		 1340/**
1341 * ieee80211_fhss_chan_to_freq - get channel frequency
1342 * @channel: the FHSS channel
1343 *
1344 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1345 * Ref IEEE 802.11-2007 section 14.6
1346 */
1347static inline int ieee80211_fhss_chan_to_freq(int channel)
1348{
1349 if ((channel > 1) && (channel < 96))
1350 return channel + 2400;
1351 else
1352 return -1;
1353}
1354
1355/**
1356 * ieee80211_freq_to_fhss_chan - get channel
1357 * @freq: the channels frequency
1358 *
1359 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1360 * Ref IEEE 802.11-2007 section 14.6
1361 */
1362static inline int ieee80211_freq_to_fhss_chan(int freq)
1363{
1364 if ((freq > 2401) && (freq < 2496))
1365 return freq - 2400;
1366 else
1367 return -1;
1368}
1369
1370/**
1371 * ieee80211_dsss_chan_to_freq - get channel center frequency
1372 * @channel: the DSSS channel
1373 *
1374 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1375 * Ref IEEE 802.11-2007 section 15.6
1376 */
1377static inline int ieee80211_dsss_chan_to_freq(int channel)
1378{
1379 if ((channel > 0) && (channel < 14))
1380 return 2407 + (channel * 5);
1381 else if (channel == 14)
1382 return 2484;
1383 else
1384 return -1;
1385}
1386
1387/**
1388 * ieee80211_freq_to_dsss_chan - get channel
1389 * @freq: the frequency
1390 *
1391 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1392 * Ref IEEE 802.11-2007 section 15.6
1393 *
1394 * This routine selects the channel with the closest center frequency.
1395 */
1396static inline int ieee80211_freq_to_dsss_chan(int freq)
1397{
1398 if ((freq >= 2410) && (freq < 2475))
1399 return (freq - 2405) / 5;
1400 else if ((freq >= 2482) && (freq < 2487))
1401 return 14;
1402 else
1403 return -1;
1404}
1405
1406/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1407 * Ref IEEE 802.11-2007 section 18.4.6.2
1408 *
1409 * The channels and frequencies are the same as those defined for DSSS
1410 */
1411#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1412#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1413
1414/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1415 * Ref IEEE 802.11-2007 section 19.4.2
1416 */
1417#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1418#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1419
1420/**
1421 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1422 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1423 * @channel: the OFDM channel
1424 *
1425 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1426 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1427 */
1428static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1429{
1430 if ((channel > 0) && (channel <= 200) &&
1431 (s_freq >= 4000))
1432 return s_freq + (channel * 5);
1433 else
1434 return -1;
1435}
1436
1437/**
1438 * ieee80211_freq_to_ofdm_channel - get channel
1439 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1440 * @freq: the frequency
1441 *
1442 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1443 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1444 *
1445 * This routine selects the channel with the closest center frequency.
1446 */
1447static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1448{
1449 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1450 (s_freq >= 4000))
1451 return (freq + 2 - s_freq) / 5;
1452 else
1453 return -1;
1454}
1455
10f644a4
JB		 1456/**
1457 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1458 * @tu: the TUs
1459 */
1460static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1461{
1462 return 1024 * tu;
1463}
1464
e7ec86f5
JB		 1465/**
1466 * ieee80211_check_tim - check if AID bit is set in TIM
1467 * @tim: the TIM IE
1468 * @tim_len: length of the TIM IE
1469 * @aid: the AID to look for
1470 */
1471static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1472 u8 tim_len, u16 aid)
1473{
1474 u8 mask;
1475 u8 index, indexn1, indexn2;
1476
1477 if (unlikely(!tim || tim_len < sizeof(*tim)))
1478 return false;
1479
1480 aid &= 0x3fff;
1481 index = aid / 8;
1482 mask = 1 << (aid & 7);
1483
1484 indexn1 = tim->bitmap_ctrl & 0xfe;
1485 indexn2 = tim_len + indexn1 - 4;
1486
1487 if (index < indexn1 || index > indexn2)
1488 return false;
1489
1490 index -= indexn1;
1491
1492 return !!(tim->virtual_map[index] & mask);
1493}
1494
9387b7ca 1495#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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