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mac80211: parse the HT capabilities info through debugfs
[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
238f74a2
HH		 120#define IEEE80211_QOS_CTL_TID_MASK 0x000F
121#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
a9de8ce0
JB		 122
123struct ieee80211_hdr {
124 __le16 frame_control;
125 __le16 duration_id;
126 u8 addr1[6];
127 u8 addr2[6];
128 u8 addr3[6];
129 __le16 seq_ctrl;
130 u8 addr4[6];
131} __attribute__ ((packed));
132
fd7c8a40
HH		 133/**
134 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
135 * @fc: frame control bytes in little-endian byteorder
136 */
137static inline int ieee80211_has_tods(__le16 fc)
138{
139 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
140}
141
142/**
143 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
144 * @fc: frame control bytes in little-endian byteorder
145 */
146static inline int ieee80211_has_fromds(__le16 fc)
147{
148 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
149}
150
151/**
152 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
153 * @fc: frame control bytes in little-endian byteorder
154 */
155static inline int ieee80211_has_a4(__le16 fc)
156{
157 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
158 return (fc & tmp) == tmp;
159}
160
161/**
162 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
163 * @fc: frame control bytes in little-endian byteorder
164 */
165static inline int ieee80211_has_morefrags(__le16 fc)
166{
167 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
168}
169
170/**
171 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
172 * @fc: frame control bytes in little-endian byteorder
173 */
174static inline int ieee80211_has_retry(__le16 fc)
175{
176 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
177}
178
179/**
180 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
181 * @fc: frame control bytes in little-endian byteorder
182 */
183static inline int ieee80211_has_pm(__le16 fc)
184{
185 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
186}
187
188/**
189 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
190 * @fc: frame control bytes in little-endian byteorder
191 */
192static inline int ieee80211_has_moredata(__le16 fc)
193{
194 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
195}
196
197/**
198 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
199 * @fc: frame control bytes in little-endian byteorder
200 */
201static inline int ieee80211_has_protected(__le16 fc)
202{
203 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
204}
205
206/**
207 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
208 * @fc: frame control bytes in little-endian byteorder
209 */
210static inline int ieee80211_has_order(__le16 fc)
211{
212 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
213}
214
215/**
216 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
217 * @fc: frame control bytes in little-endian byteorder
218 */
219static inline int ieee80211_is_mgmt(__le16 fc)
220{
221 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
222 cpu_to_le16(IEEE80211_FTYPE_MGMT);
223}
224
225/**
226 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
227 * @fc: frame control bytes in little-endian byteorder
228 */
229static inline int ieee80211_is_ctl(__le16 fc)
230{
231 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
232 cpu_to_le16(IEEE80211_FTYPE_CTL);
233}
234
235/**
236 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
237 * @fc: frame control bytes in little-endian byteorder
238 */
239static inline int ieee80211_is_data(__le16 fc)
240{
241 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
242 cpu_to_le16(IEEE80211_FTYPE_DATA);
243}
244
245/**
246 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
247 * @fc: frame control bytes in little-endian byteorder
248 */
249static inline int ieee80211_is_data_qos(__le16 fc)
250{
251 /*
252 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
253 * to check the one bit
254 */
255 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
256 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
257}
258
259/**
260 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
261 * @fc: frame control bytes in little-endian byteorder
262 */
263static inline int ieee80211_is_data_present(__le16 fc)
264{
265 /*
266 * mask with 0x40 and test that that bit is clear to only return true
267 * for the data-containing substypes.
268 */
269 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
270 cpu_to_le16(IEEE80211_FTYPE_DATA);
271}
272
273/**
274 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
275 * @fc: frame control bytes in little-endian byteorder
276 */
277static inline int ieee80211_is_assoc_req(__le16 fc)
278{
279 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
280 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
281}
282
283/**
284 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
285 * @fc: frame control bytes in little-endian byteorder
286 */
287static inline int ieee80211_is_assoc_resp(__le16 fc)
288{
289 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
290 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
291}
292
293/**
294 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
295 * @fc: frame control bytes in little-endian byteorder
296 */
297static inline int ieee80211_is_reassoc_req(__le16 fc)
298{
299 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
300 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
301}
302
303/**
304 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
305 * @fc: frame control bytes in little-endian byteorder
306 */
307static inline int ieee80211_is_reassoc_resp(__le16 fc)
308{
309 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
310 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
311}
312
313/**
314 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
315 * @fc: frame control bytes in little-endian byteorder
316 */
317static inline int ieee80211_is_probe_req(__le16 fc)
318{
319 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
320 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
321}
322
323/**
324 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
325 * @fc: frame control bytes in little-endian byteorder
326 */
327static inline int ieee80211_is_probe_resp(__le16 fc)
328{
329 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
330 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
331}
332
333/**
334 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
335 * @fc: frame control bytes in little-endian byteorder
336 */
337static inline int ieee80211_is_beacon(__le16 fc)
338{
339 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
340 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
341}
342
343/**
344 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
345 * @fc: frame control bytes in little-endian byteorder
346 */
347static inline int ieee80211_is_atim(__le16 fc)
348{
349 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
350 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
351}
352
353/**
354 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
355 * @fc: frame control bytes in little-endian byteorder
356 */
357static inline int ieee80211_is_disassoc(__le16 fc)
358{
359 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
360 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
361}
362
363/**
364 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
365 * @fc: frame control bytes in little-endian byteorder
366 */
367static inline int ieee80211_is_auth(__le16 fc)
368{
369 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
370 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
371}
372
373/**
374 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
375 * @fc: frame control bytes in little-endian byteorder
376 */
377static inline int ieee80211_is_deauth(__le16 fc)
378{
379 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
380 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
381}
382
383/**
384 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
385 * @fc: frame control bytes in little-endian byteorder
386 */
387static inline int ieee80211_is_action(__le16 fc)
388{
389 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
390 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
391}
392
393/**
394 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
395 * @fc: frame control bytes in little-endian byteorder
396 */
397static inline int ieee80211_is_back_req(__le16 fc)
398{
399 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
400 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
401}
402
403/**
404 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
405 * @fc: frame control bytes in little-endian byteorder
406 */
407static inline int ieee80211_is_back(__le16 fc)
408{
409 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
410 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
411}
412
413/**
414 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
415 * @fc: frame control bytes in little-endian byteorder
416 */
417static inline int ieee80211_is_pspoll(__le16 fc)
418{
419 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
420 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
421}
422
423/**
424 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
425 * @fc: frame control bytes in little-endian byteorder
426 */
427static inline int ieee80211_is_rts(__le16 fc)
428{
429 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
430 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
431}
432
433/**
434 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
435 * @fc: frame control bytes in little-endian byteorder
436 */
437static inline int ieee80211_is_cts(__le16 fc)
438{
439 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
440 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
441}
442
443/**
444 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
445 * @fc: frame control bytes in little-endian byteorder
446 */
447static inline int ieee80211_is_ack(__le16 fc)
448{
449 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
450 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
451}
452
453/**
454 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
455 * @fc: frame control bytes in little-endian byteorder
456 */
457static inline int ieee80211_is_cfend(__le16 fc)
458{
459 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
460 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
461}
462
463/**
464 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
465 * @fc: frame control bytes in little-endian byteorder
466 */
467static inline int ieee80211_is_cfendack(__le16 fc)
468{
469 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
470 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
471}
472
473/**
22403def 474 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 475 * @fc: frame control bytes in little-endian byteorder
476 */
477static inline int ieee80211_is_nullfunc(__le16 fc)
478{
479 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
480 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
481}
a9de8ce0 482
22403def
JB		 483/**
484 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
485 * @fc: frame control bytes in little-endian byteorder
486 */
487static inline int ieee80211_is_qos_nullfunc(__le16 fc)
488{
489 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
490 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
491}
492
37c57989
LCC		 493struct ieee80211s_hdr {
494 u8 flags;
495 u8 ttl;
51ceddad 496 __le32 seqnum;
37c57989
LCC		 497 u8 eaddr1[6];
498 u8 eaddr2[6];
499 u8 eaddr3[6];
500} __attribute__ ((packed));
501
79617dee
Y		 502/* Mesh flags */
503#define MESH_FLAGS_AE_A4 0x1
504#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 505#define MESH_FLAGS_AE 0x3
79617dee
Y		 506#define MESH_FLAGS_PS_DEEP 0x4
507
f2df3859
AK		 508/**
509 * struct ieee80211_quiet_ie
510 *
511 * This structure refers to "Quiet information element"
512 */
513struct ieee80211_quiet_ie {
514 u8 count;
515 u8 period;
516 __le16 duration;
517 __le16 offset;
518} __attribute__ ((packed));
519
520/**
521 * struct ieee80211_msrment_ie
522 *
523 * This structure refers to "Measurement Request/Report information element"
524 */
525struct ieee80211_msrment_ie {
526 u8 token;
527 u8 mode;
528 u8 type;
529 u8 request[0];
530} __attribute__ ((packed));
531
532/**
533 * struct ieee80211_channel_sw_ie
534 *
535 * This structure refers to "Channel Switch Announcement information element"
536 */
537struct ieee80211_channel_sw_ie {
538 u8 mode;
539 u8 new_ch_num;
540 u8 count;
541} __attribute__ ((packed));
37c57989 542
98f7dfd8
EG		 543/**
544 * struct ieee80211_tim
545 *
546 * This structure refers to "Traffic Indication Map information element"
547 */
548struct ieee80211_tim_ie {
549 u8 dtim_count;
550 u8 dtim_period;
551 u8 bitmap_ctrl;
552 /* variable size: 1 - 251 bytes */
e7ec86f5 553 u8 virtual_map[1];
98f7dfd8
EG		 554} __attribute__ ((packed));
555
136cfa28
RP		 556/**
557 * struct ieee80211_meshconf_ie
558 *
559 * This structure refers to "Mesh Configuration information element"
560 */
561struct ieee80211_meshconf_ie {
562 u8 meshconf_psel;
563 u8 meshconf_pmetric;
564 u8 meshconf_congest;
565 u8 meshconf_synch;
566 u8 meshconf_auth;
567 u8 meshconf_form;
568 u8 meshconf_cap;
569} __attribute__ ((packed));
570
90a5e169
RP		 571/**
572 * struct ieee80211_rann_ie
573 *
574 * This structure refers to "Root Announcement information element"
575 */
576struct ieee80211_rann_ie {
577 u8 rann_flags;
578 u8 rann_hopcount;
579 u8 rann_ttl;
580 u8 rann_addr[6];
581 u32 rann_seq;
582 u32 rann_metric;
583} __attribute__ ((packed));
584
9dfd6ba3 585#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 586
a9de8ce0
JB		 587struct ieee80211_mgmt {
588 __le16 frame_control;
589 __le16 duration;
590 u8 da[6];
591 u8 sa[6];
592 u8 bssid[6];
593 __le16 seq_ctrl;
594 union {
595 struct {
596 __le16 auth_alg;
597 __le16 auth_transaction;
598 __le16 status_code;
599 /* possibly followed by Challenge text */
600 u8 variable[0];
601 } __attribute__ ((packed)) auth;
602 struct {
603 __le16 reason_code;
604 } __attribute__ ((packed)) deauth;
605 struct {
606 __le16 capab_info;
607 __le16 listen_interval;
608 /* followed by SSID and Supported rates */
609 u8 variable[0];
610 } __attribute__ ((packed)) assoc_req;
611 struct {
612 __le16 capab_info;
613 __le16 status_code;
614 __le16 aid;
615 /* followed by Supported rates */
616 u8 variable[0];
617 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
618 struct {
619 __le16 capab_info;
620 __le16 listen_interval;
621 u8 current_ap[6];
622 /* followed by SSID and Supported rates */
623 u8 variable[0];
624 } __attribute__ ((packed)) reassoc_req;
625 struct {
626 __le16 reason_code;
627 } __attribute__ ((packed)) disassoc;
628 struct {
629 __le64 timestamp;
630 __le16 beacon_int;
631 __le16 capab_info;
632 /* followed by some of SSID, Supported rates,
633 * FH Params, DS Params, CF Params, IBSS Params, TIM */
634 u8 variable[0];
635 } __attribute__ ((packed)) beacon;
636 struct {
637 /* only variable items: SSID, Supported rates */
638 u8 variable[0];
639 } __attribute__ ((packed)) probe_req;
640 struct {
641 __le64 timestamp;
642 __le16 beacon_int;
643 __le16 capab_info;
644 /* followed by some of SSID, Supported rates,
645 * FH Params, DS Params, CF Params, IBSS Params */
646 u8 variable[0];
647 } __attribute__ ((packed)) probe_resp;
648 struct {
649 u8 category;
650 union {
651 struct {
652 u8 action_code;
653 u8 dialog_token;
654 u8 status_code;
655 u8 variable[0];
656 } __attribute__ ((packed)) wme_action;
657 struct{
658 u8 action_code;
659 u8 element_id;
660 u8 length;
f2df3859 661 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 662 } __attribute__((packed)) chan_switch;
f2df3859
AK		 663 struct{
664 u8 action_code;
665 u8 dialog_token;
666 u8 element_id;
667 u8 length;
668 struct ieee80211_msrment_ie msr_elem;
669 } __attribute__((packed)) measurement;
6b4e3241
RR		 670 struct{
671 u8 action_code;
672 u8 dialog_token;
673 __le16 capab;
674 __le16 timeout;
675 __le16 start_seq_num;
676 } __attribute__((packed)) addba_req;
677 struct{
678 u8 action_code;
679 u8 dialog_token;
680 __le16 status;
681 __le16 capab;
682 __le16 timeout;
683 } __attribute__((packed)) addba_resp;
684 struct{
685 u8 action_code;
686 __le16 params;
687 __le16 reason_code;
688 } __attribute__((packed)) delba;
37c57989
LCC		 689 struct{
690 u8 action_code;
691 /* capab_info for open and confirm,
692 * reason for close
693 */
694 __le16 aux;
695 /* Followed in plink_confirm by status
696 * code, AID and supported rates,
697 * and directly by supported rates in
698 * plink_open and plink_close
699 */
700 u8 variable[0];
701 } __attribute__((packed)) plink_action;
702 struct{
703 u8 action_code;
704 u8 variable[0];
705 } __attribute__((packed)) mesh_action;
fea14732
JM		 706 struct {
707 u8 action;
708 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
709 } __attribute__ ((packed)) sa_query;
0f78231b
JB		 710 struct {
711 u8 action;
712 u8 smps_control;
713 } __attribute__ ((packed)) ht_smps;
a9de8ce0
JB		 714 } u;
715 } __attribute__ ((packed)) action;
716 } u;
717} __attribute__ ((packed));
718
44d414db
JB		 719/* mgmt header + 1 byte category code */
720#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
721
a9de8ce0 722
765cb46a
JM		 723/* Management MIC information element (IEEE 802.11w) */
724struct ieee80211_mmie {
725 u8 element_id;
726 u8 length;
727 __le16 key_id;
728 u8 sequence_number[6];
729 u8 mic[8];
730} __attribute__ ((packed));
731
a9de8ce0
JB		 732/* Control frames */
733struct ieee80211_rts {
734 __le16 frame_control;
735 __le16 duration;
736 u8 ra[6];
737 u8 ta[6];
738} __attribute__ ((packed));
739
740struct ieee80211_cts {
741 __le16 frame_control;
742 __le16 duration;
743 u8 ra[6];
744} __attribute__ ((packed));
745
fc6971d4
JM		 746struct ieee80211_pspoll {
747 __le16 frame_control;
748 __le16 aid;
749 u8 bssid[6];
750 u8 ta[6];
751} __attribute__ ((packed));
752
6b4e3241
RR		 753/**
754 * struct ieee80211_bar - HT Block Ack Request
755 *
756 * This structure refers to "HT BlockAckReq" as
757 * described in 802.11n draft section 7.2.1.7.1
758 */
759struct ieee80211_bar {
760 __le16 frame_control;
761 __le16 duration;
762 __u8 ra[6];
763 __u8 ta[6];
a8b47ea3
RR		 764 __le16 control;
765 __le16 start_seq_num;
6b4e3241
RR		 766} __attribute__((packed));
767
429a3805
RR		 768/* 802.11 BAR control masks */
769#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
770#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
771
d9fe60de
JB		 772
773#define IEEE80211_HT_MCS_MASK_LEN 10
774
775/**
776 * struct ieee80211_mcs_info - MCS information
777 * @rx_mask: RX mask
778 * @rx_highest: highest supported RX rate
779 * @tx_params: TX parameters
780 */
781struct ieee80211_mcs_info {
782 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
783 __le16 rx_highest;
784 u8 tx_params;
785 u8 reserved[3];
786} __attribute__((packed));
787
788/* 802.11n HT capability MSC set */
789#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
790#define IEEE80211_HT_MCS_TX_DEFINED 0x01
791#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
792/* value 0 == 1 stream etc */
793#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
794#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
795#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
796#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
797
798/*
799 * 802.11n D5.0 20.3.5 / 20.6 says:
800 * - indices 0 to 7 and 32 are single spatial stream
801 * - 8 to 31 are multiple spatial streams using equal modulation
802 * [8..15 for two streams, 16..23 for three and 24..31 for four]
803 * - remainder are multiple spatial streams using unequal modulation
804 */
805#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
806#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
807 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
808
6b4e3241
RR		 809/**
810 * struct ieee80211_ht_cap - HT capabilities
811 *
d9fe60de
JB		 812 * This structure is the "HT capabilities element" as
813 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 814 */
815struct ieee80211_ht_cap {
816 __le16 cap_info;
817 u8 ampdu_params_info;
d9fe60de
JB		 818
819 /* 16 bytes MCS information */
820 struct ieee80211_mcs_info mcs;
821
6b4e3241
RR		 822 __le16 extended_ht_cap_info;
823 __le32 tx_BF_cap_info;
824 u8 antenna_selection_info;
825} __attribute__ ((packed));
826
d9fe60de
JB		 827/* 802.11n HT capabilities masks (for cap_info) */
828#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
829#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
830#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 831#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 832#define IEEE80211_HT_CAP_GRN_FLD 0x0010
833#define IEEE80211_HT_CAP_SGI_20 0x0020
834#define IEEE80211_HT_CAP_SGI_40 0x0040
835#define IEEE80211_HT_CAP_TX_STBC 0x0080
836#define IEEE80211_HT_CAP_RX_STBC 0x0300
837#define IEEE80211_HT_CAP_DELAY_BA 0x0400
838#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
839#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
840#define IEEE80211_HT_CAP_PSMP_SUPPORT 0x2000
841#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
842#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
843
844/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
845#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
846#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 847#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 848
d1eba248
S		 849/*
850 * Maximum length of AMPDU that the STA can receive.
851 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
852 */
853enum ieee80211_max_ampdu_length_exp {
854 IEEE80211_HT_MAX_AMPDU_8K = 0,
855 IEEE80211_HT_MAX_AMPDU_16K = 1,
856 IEEE80211_HT_MAX_AMPDU_32K = 2,
857 IEEE80211_HT_MAX_AMPDU_64K = 3
858};
859
860#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
861
862/* Minimum MPDU start spacing */
863enum ieee80211_min_mpdu_spacing {
864 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
865 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
866 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
867 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
868 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
869 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
870 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
871 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
872};
873
6b4e3241 874/**
d9fe60de 875 * struct ieee80211_ht_info - HT information
6b4e3241 876 *
d9fe60de
JB		 877 * This structure is the "HT information element" as
878 * described in 802.11n D5.0 7.3.2.58
6b4e3241 879 */
d9fe60de 880struct ieee80211_ht_info {
6b4e3241
RR		 881 u8 control_chan;
882 u8 ht_param;
883 __le16 operation_mode;
884 __le16 stbc_param;
885 u8 basic_set[16];
886} __attribute__ ((packed));
887
d9fe60de
JB		 888/* for ht_param */
889#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
890#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
891#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
892#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
893#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
894#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
895#define IEEE80211_HT_PARAM_SPSMP_SUPPORT 0x10
896#define IEEE80211_HT_PARAM_SERV_INTERVAL_GRAN 0xE0
897
898/* for operation_mode */
899#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
900#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
901#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
902#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
903#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
904#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
905#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
906
907/* for stbc_param */
908#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
909#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
910#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
911#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
912#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
913#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
914
a9de8ce0 915
44d414db
JB		 916/* block-ack parameters */
917#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
918#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
919#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFA0
920#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
921#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
922
923/*
924 * A-PMDU buffer sizes
925 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
926 */
927#define IEEE80211_MIN_AMPDU_BUF 0x8
928#define IEEE80211_MAX_AMPDU_BUF 0x40
929
930
0f78231b 931/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 932#define WLAN_HT_CAP_SM_PS_STATIC 0
933#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
934#define WLAN_HT_CAP_SM_PS_INVALID 2
935#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 936
0f78231b
JB		 937/* for SM power control field lower two bits */
938#define WLAN_HT_SMPS_CONTROL_DISABLED 0
939#define WLAN_HT_SMPS_CONTROL_STATIC 1
940#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
941
a9de8ce0
JB		 942/* Authentication algorithms */
943#define WLAN_AUTH_OPEN 0
944#define WLAN_AUTH_SHARED_KEY 1
636a5d36 945#define WLAN_AUTH_FT 2
bb608e9d 946#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 947
948#define WLAN_AUTH_CHALLENGE_LEN 128
949
950#define WLAN_CAPABILITY_ESS (1<<0)
951#define WLAN_CAPABILITY_IBSS (1<<1)
952#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
953#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
954#define WLAN_CAPABILITY_PRIVACY (1<<4)
955#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
956#define WLAN_CAPABILITY_PBCC (1<<6)
957#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 958
a9de8ce0
JB		 959/* 802.11h */
960#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
961#define WLAN_CAPABILITY_QOS (1<<9)
962#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
963#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK		 964/* measurement */
965#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
966#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
967#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
968
969#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
970#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
971#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
972
a9de8ce0 973
5628221c
DD		 974/* 802.11g ERP information element */
975#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
976#define WLAN_ERP_USE_PROTECTION (1<<1)
977#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
978
979/* WLAN_ERP_BARKER_PREAMBLE values */
980enum {
981 WLAN_ERP_PREAMBLE_SHORT = 0,
982 WLAN_ERP_PREAMBLE_LONG = 1,
983};
984
a9de8ce0
JB		 985/* Status codes */
986enum ieee80211_statuscode {
987 WLAN_STATUS_SUCCESS = 0,
988 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
989 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
990 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
991 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
992 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
993 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
994 WLAN_STATUS_CHALLENGE_FAIL = 15,
995 WLAN_STATUS_AUTH_TIMEOUT = 16,
996 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
997 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
998 /* 802.11b */
999 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1000 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1001 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1002 /* 802.11h */
1003 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1004 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1005 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1006 /* 802.11g */
1007 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1008 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1009 /* 802.11w */
1010 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1011 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1012 /* 802.11i */
1013 WLAN_STATUS_INVALID_IE = 40,
1014 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1015 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1016 WLAN_STATUS_INVALID_AKMP = 43,
1017 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1018 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1019 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1020 /* 802.11e */
1021 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1022 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1023 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1024 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1025 WLAN_STATUS_REQUEST_DECLINED = 37,
1026 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1027 WLAN_STATUS_CHANGE_TSPEC = 39,
1028 WLAN_STATUS_WAIT_TS_DELAY = 47,
1029 WLAN_STATUS_NO_DIRECT_LINK = 48,
1030 WLAN_STATUS_STA_NOT_PRESENT = 49,
1031 WLAN_STATUS_STA_NOT_QSTA = 50,
a9de8ce0
JB		 1032};
1033
1034
1035/* Reason codes */
1036enum ieee80211_reasoncode {
1037 WLAN_REASON_UNSPECIFIED = 1,
1038 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1039 WLAN_REASON_DEAUTH_LEAVING = 3,
1040 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1041 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1042 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1043 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1044 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1045 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1046 /* 802.11h */
1047 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1048 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1049 /* 802.11i */
1050 WLAN_REASON_INVALID_IE = 13,
1051 WLAN_REASON_MIC_FAILURE = 14,
1052 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1053 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1054 WLAN_REASON_IE_DIFFERENT = 17,
1055 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1056 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1057 WLAN_REASON_INVALID_AKMP = 20,
1058 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1059 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1060 WLAN_REASON_IEEE8021X_FAILED = 23,
1061 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1062 /* 802.11e */
1063 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1064 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1065 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1066 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1067 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1068 WLAN_REASON_QSTA_NOT_USE = 37,
1069 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1070 WLAN_REASON_QSTA_TIMEOUT = 39,
1071 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
a9de8ce0
JB		 1072};
1073
1074
1075/* Information Element IDs */
1076enum ieee80211_eid {
1077 WLAN_EID_SSID = 0,
1078 WLAN_EID_SUPP_RATES = 1,
1079 WLAN_EID_FH_PARAMS = 2,
1080 WLAN_EID_DS_PARAMS = 3,
1081 WLAN_EID_CF_PARAMS = 4,
1082 WLAN_EID_TIM = 5,
1083 WLAN_EID_IBSS_PARAMS = 6,
1084 WLAN_EID_CHALLENGE = 16,
1085 /* 802.11d */
1086 WLAN_EID_COUNTRY = 7,
1087 WLAN_EID_HP_PARAMS = 8,
1088 WLAN_EID_HP_TABLE = 9,
1089 WLAN_EID_REQUEST = 10,
6b4e3241
RR		 1090 /* 802.11e */
1091 WLAN_EID_QBSS_LOAD = 11,
1092 WLAN_EID_EDCA_PARAM_SET = 12,
1093 WLAN_EID_TSPEC = 13,
1094 WLAN_EID_TCLAS = 14,
1095 WLAN_EID_SCHEDULE = 15,
1096 WLAN_EID_TS_DELAY = 43,
1097 WLAN_EID_TCLAS_PROCESSING = 44,
1098 WLAN_EID_QOS_CAPA = 46,
d619ee08
LCC		 1099 /* 802.11s
1100 *
1101 * All mesh EID numbers are pending IEEE 802.11 ANA approval.
1102 * The numbers have been incremented from those suggested in
1103 * 802.11s/D2.0 so that MESH_CONFIG does not conflict with
1104 * EXT_SUPP_RATES.
1105 */
1106 WLAN_EID_MESH_CONFIG = 51,
1107 WLAN_EID_MESH_ID = 52,
1108 WLAN_EID_PEER_LINK = 55,
1109 WLAN_EID_PREQ = 68,
1110 WLAN_EID_PREP = 69,
1111 WLAN_EID_PERR = 70,
90a5e169 1112 WLAN_EID_RANN = 49, /* compatible with FreeBSD */
a9de8ce0
JB		 1113 /* 802.11h */
1114 WLAN_EID_PWR_CONSTRAINT = 32,
1115 WLAN_EID_PWR_CAPABILITY = 33,
1116 WLAN_EID_TPC_REQUEST = 34,
1117 WLAN_EID_TPC_REPORT = 35,
1118 WLAN_EID_SUPPORTED_CHANNELS = 36,
1119 WLAN_EID_CHANNEL_SWITCH = 37,
1120 WLAN_EID_MEASURE_REQUEST = 38,
1121 WLAN_EID_MEASURE_REPORT = 39,
1122 WLAN_EID_QUIET = 40,
1123 WLAN_EID_IBSS_DFS = 41,
1124 /* 802.11g */
1125 WLAN_EID_ERP_INFO = 42,
1126 WLAN_EID_EXT_SUPP_RATES = 50,
6b4e3241
RR		 1127 /* 802.11n */
1128 WLAN_EID_HT_CAPABILITY = 45,
d9fe60de 1129 WLAN_EID_HT_INFORMATION = 61,
a9de8ce0
JB		 1130 /* 802.11i */
1131 WLAN_EID_RSN = 48,
f797eb7e 1132 WLAN_EID_TIMEOUT_INTERVAL = 56,
765cb46a 1133 WLAN_EID_MMIE = 76 /* 802.11w */,
a9de8ce0
JB		 1134 WLAN_EID_WPA = 221,
1135 WLAN_EID_GENERIC = 221,
1136 WLAN_EID_VENDOR_SPECIFIC = 221,
1137 WLAN_EID_QOS_PARAMETER = 222
1138};
1139
6b4e3241
RR		 1140/* Action category code */
1141enum ieee80211_category {
1142 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1143 WLAN_CATEGORY_QOS = 1,
1144 WLAN_CATEGORY_DLS = 2,
1145 WLAN_CATEGORY_BACK = 3,
fb733336 1146 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1147 WLAN_CATEGORY_HT = 7,
fea14732 1148 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1149 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
6b4e3241 1150 WLAN_CATEGORY_WMM = 17,
528769cf
JM		 1151 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1152 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1153};
1154
f2df3859
AK		 1155/* SPECTRUM_MGMT action code */
1156enum ieee80211_spectrum_mgmt_actioncode {
1157 WLAN_ACTION_SPCT_MSR_REQ = 0,
1158 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1159 WLAN_ACTION_SPCT_TPC_REQ = 2,
1160 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1161 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1162};
1163
0f78231b
JB		 1164/* HT action codes */
1165enum ieee80211_ht_actioncode {
1166 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1167 WLAN_HT_ACTION_SMPS = 1,
1168 WLAN_HT_ACTION_PSMP = 2,
1169 WLAN_HT_ACTION_PCO_PHASE = 3,
1170 WLAN_HT_ACTION_CSI = 4,
1171 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1172 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1173 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1174};
1175
e31a16d6
ZY		 1176/* Security key length */
1177enum ieee80211_key_len {
1178 WLAN_KEY_LEN_WEP40 = 5,
1179 WLAN_KEY_LEN_WEP104 = 13,
1180 WLAN_KEY_LEN_CCMP = 16,
1181 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1182 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1183};
1184
3f2355cb
LR		 1185/*
1186 * IEEE 802.11-2007 7.3.2.9 Country information element
1187 *
1188 * Minimum length is 8 octets, ie len must be evenly
1189 * divisible by 2
1190 */
1191
1192/* Although the spec says 8 I'm seeing 6 in practice */
1193#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1194
1195/*
1196 * For regulatory extension stuff see IEEE 802.11-2007
1197 * Annex I (page 1141) and Annex J (page 1147). Also
1198 * review 7.3.2.9.
1199 *
1200 * When dot11RegulatoryClassesRequired is true and the
1201 * first_channel/reg_extension_id is >= 201 then the IE
1202 * compromises of the 'ext' struct represented below:
1203 *
1204 * - Regulatory extension ID - when generating IE this just needs
1205 * to be monotonically increasing for each triplet passed in
1206 * the IE
1207 * - Regulatory class - index into set of rules
1208 * - Coverage class - index into air propagation time (Table 7-27),
1209 * in microseconds, you can compute the air propagation time from
1210 * the index by multiplying by 3, so index 10 yields a propagation
1211 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1212 * yet. A value of 0 inicates air propagation of <= 1 us.
1213 *
1214 * See also Table I.2 for Emission limit sets and table
1215 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1216 * a reg_class to an emission limit set and behavior limit set.
1217 */
1218#define IEEE80211_COUNTRY_EXTENSION_ID 201
1219
1220/*
1221 * Channels numbers in the IE must be monotonically increasing
1222 * if dot11RegulatoryClassesRequired is not true.
1223 *
1224 * If dot11RegulatoryClassesRequired is true consecutive
1225 * subband triplets following a regulatory triplet shall
1226 * have monotonically increasing first_channel number fields.
1227 *
1228 * Channel numbers shall not overlap.
1229 *
1230 * Note that max_power is signed.
1231 */
1232struct ieee80211_country_ie_triplet {
1233 union {
1234 struct {
1235 u8 first_channel;
1236 u8 num_channels;
1237 s8 max_power;
1238 } __attribute__ ((packed)) chans;
1239 struct {
1240 u8 reg_extension_id;
1241 u8 reg_class;
1242 u8 coverage_class;
1243 } __attribute__ ((packed)) ext;
1244 };
1245} __attribute__ ((packed));
1246
f797eb7e
JM		 1247enum ieee80211_timeout_interval_type {
1248 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1249 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1250 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1251};
1252
6b4e3241
RR		 1253/* BACK action code */
1254enum ieee80211_back_actioncode {
1255 WLAN_ACTION_ADDBA_REQ = 0,
1256 WLAN_ACTION_ADDBA_RESP = 1,
1257 WLAN_ACTION_DELBA = 2,
1258};
1259
07db2183
RR		 1260/* BACK (block-ack) parties */
1261enum ieee80211_back_parties {
1262 WLAN_BACK_RECIPIENT = 0,
1263 WLAN_BACK_INITIATOR = 1,
1264 WLAN_BACK_TIMER = 2,
1265};
1266
fea14732
JM		 1267/* SA Query action */
1268enum ieee80211_sa_query_action {
1269 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1270 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1271};
1272
1273
6b4e3241
RR		 1274/* A-MSDU 802.11n */
1275#define IEEE80211_QOS_CONTROL_A_MSDU_PRESENT 0x0080
1276
a9de8ce0
JB		 1277/* cipher suite selectors */
1278#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1279#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1280#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1281/* reserved: 0x000FAC03 */
1282#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1283#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1284#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1285
6a669e65
JB		 1286/* AKM suite selectors */
1287#define WLAN_AKM_SUITE_8021X 0x000FAC01
1288#define WLAN_AKM_SUITE_PSK 0x000FAC02
1289
a9de8ce0
JB		 1290#define WLAN_MAX_KEY_LEN 32
1291
67fbb16b
SO		 1292#define WLAN_PMKID_LEN 16
1293
fd7c8a40
HH		 1294/**
1295 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1296 * @hdr: the frame
1297 *
1298 * The qos ctrl bytes come after the frame_control, duration, seq_num
1299 * and 3 or 4 addresses of length ETH_ALEN.
1300 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1301 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1302 */
1303static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1304{
1305 if (ieee80211_has_a4(hdr->frame_control))
1306 return (u8 *)hdr + 30;
1307 else
1308 return (u8 *)hdr + 24;
1309}
1310
f97df02e
JB		 1311/**
1312 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1313 * @hdr: the frame
f97df02e
JB		 1314 *
1315 * Given an 802.11 frame, this function returns the offset
1316 * to the source address (SA). It does not verify that the
1317 * header is long enough to contain the address, and the
1318 * header must be long enough to contain the frame control
1319 * field.
f97df02e
JB		 1320 */
1321static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1322{
fd7c8a40 1323 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1324 return hdr->addr4;
fd7c8a40
HH		 1325 if (ieee80211_has_fromds(hdr->frame_control))
1326 return hdr->addr3;
1327 return hdr->addr2;
f97df02e
JB		 1328}
1329
1330/**
1331 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1332 * @hdr: the frame
f97df02e
JB		 1333 *
1334 * Given an 802.11 frame, this function returns the offset
1335 * to the destination address (DA). It does not verify that
1336 * the header is long enough to contain the address, and the
1337 * header must be long enough to contain the frame control
1338 * field.
f97df02e
JB		 1339 */
1340static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1341{
fd7c8a40 1342 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1343 return hdr->addr3;
5a433b3a
HH		 1344 else
1345 return hdr->addr1;
f97df02e
JB		 1346}
1347
fb733336
JM		 1348/**
1349 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1350 * @hdr: the frame (buffer must include at least the first octet of payload)
1351 */
1352static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1353{
1354 if (ieee80211_is_disassoc(hdr->frame_control) ||
1355 ieee80211_is_deauth(hdr->frame_control))
1356 return true;
1357
1358 if (ieee80211_is_action(hdr->frame_control)) {
1359 u8 *category;
1360
1361 /*
1362 * Action frames, excluding Public Action frames, are Robust
1363 * Management Frames. However, if we are looking at a Protected
1364 * frame, skip the check since the data may be encrypted and
1365 * the frame has already been found to be a Robust Management
1366 * Frame (by the other end).
1367 */
1368 if (ieee80211_has_protected(hdr->frame_control))
1369 return true;
1370 category = ((u8 *) hdr) + 24;
528769cf
JM		 1371 return *category != WLAN_CATEGORY_PUBLIC &&
1372 *category != WLAN_CATEGORY_HT &&
1373 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1374 }
1375
1376 return false;
1377}
1378
9ee677c2
DK		 1379/**
1380 * ieee80211_fhss_chan_to_freq - get channel frequency
1381 * @channel: the FHSS channel
1382 *
1383 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1384 * Ref IEEE 802.11-2007 section 14.6
1385 */
1386static inline int ieee80211_fhss_chan_to_freq(int channel)
1387{
1388 if ((channel > 1) && (channel < 96))
1389 return channel + 2400;
1390 else
1391 return -1;
1392}
1393
1394/**
1395 * ieee80211_freq_to_fhss_chan - get channel
1396 * @freq: the channels frequency
1397 *
1398 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1399 * Ref IEEE 802.11-2007 section 14.6
1400 */
1401static inline int ieee80211_freq_to_fhss_chan(int freq)
1402{
1403 if ((freq > 2401) && (freq < 2496))
1404 return freq - 2400;
1405 else
1406 return -1;
1407}
1408
1409/**
1410 * ieee80211_dsss_chan_to_freq - get channel center frequency
1411 * @channel: the DSSS channel
1412 *
1413 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1414 * Ref IEEE 802.11-2007 section 15.6
1415 */
1416static inline int ieee80211_dsss_chan_to_freq(int channel)
1417{
1418 if ((channel > 0) && (channel < 14))
1419 return 2407 + (channel * 5);
1420 else if (channel == 14)
1421 return 2484;
1422 else
1423 return -1;
1424}
1425
1426/**
1427 * ieee80211_freq_to_dsss_chan - get channel
1428 * @freq: the frequency
1429 *
1430 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1431 * Ref IEEE 802.11-2007 section 15.6
1432 *
1433 * This routine selects the channel with the closest center frequency.
1434 */
1435static inline int ieee80211_freq_to_dsss_chan(int freq)
1436{
1437 if ((freq >= 2410) && (freq < 2475))
1438 return (freq - 2405) / 5;
1439 else if ((freq >= 2482) && (freq < 2487))
1440 return 14;
1441 else
1442 return -1;
1443}
1444
1445/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1446 * Ref IEEE 802.11-2007 section 18.4.6.2
1447 *
1448 * The channels and frequencies are the same as those defined for DSSS
1449 */
1450#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1451#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1452
1453/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1454 * Ref IEEE 802.11-2007 section 19.4.2
1455 */
1456#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1457#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1458
1459/**
1460 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1461 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1462 * @channel: the OFDM channel
1463 *
1464 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1465 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1466 */
1467static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1468{
1469 if ((channel > 0) && (channel <= 200) &&
1470 (s_freq >= 4000))
1471 return s_freq + (channel * 5);
1472 else
1473 return -1;
1474}
1475
1476/**
1477 * ieee80211_freq_to_ofdm_channel - get channel
1478 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1479 * @freq: the frequency
1480 *
1481 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1482 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1483 *
1484 * This routine selects the channel with the closest center frequency.
1485 */
1486static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1487{
1488 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1489 (s_freq >= 4000))
1490 return (freq + 2 - s_freq) / 5;
1491 else
1492 return -1;
1493}
1494
10f644a4
JB		 1495/**
1496 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1497 * @tu: the TUs
1498 */
1499static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1500{
1501 return 1024 * tu;
1502}
1503
e7ec86f5
JB		 1504/**
1505 * ieee80211_check_tim - check if AID bit is set in TIM
1506 * @tim: the TIM IE
1507 * @tim_len: length of the TIM IE
1508 * @aid: the AID to look for
1509 */
1510static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1511 u8 tim_len, u16 aid)
1512{
1513 u8 mask;
1514 u8 index, indexn1, indexn2;
1515
1516 if (unlikely(!tim || tim_len < sizeof(*tim)))
1517 return false;
1518
1519 aid &= 0x3fff;
1520 index = aid / 8;
1521 mask = 1 << (aid & 7);
1522
1523 indexn1 = tim->bitmap_ctrl & 0xfe;
1524 indexn2 = tim_len + indexn1 - 4;
1525
1526 if (index < indexn1 || index > indexn2)
1527 return false;
1528
1529 index -= indexn1;
1530
1531 return !!(tim->virtual_map[index] & mask);
1532}
1533
9387b7ca 1534#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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