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mac80211: add command to get current rssi
[deliverable/linux.git] / include / linux / ieee80211.h
CommitLineData
a9de8ce0
JB		 1/*
2 * IEEE 802.11 defines
3 *
4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
5 * <jkmaline@cc.hut.fi>
6 * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi>
7 * Copyright (c) 2005, Devicescape Software, Inc.
8 * Copyright (c) 2006, Michael Wu <flamingice@sourmilk.net>
9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License version 2 as
12 * published by the Free Software Foundation.
13 */
14
9387b7ca
JL		 15#ifndef LINUX_IEEE80211_H
16#define LINUX_IEEE80211_H
a9de8ce0
JB		 17
18#include <linux/types.h>
f97df02e 19#include <asm/byteorder.h>
a9de8ce0 20
3f46b29c
JB		 21/*
22 * DS bit usage
23 *
24 * TA = transmitter address
25 * RA = receiver address
26 * DA = destination address
27 * SA = source address
28 *
29 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
30 * -----------------------------------------------------------------
31 * 0 0 DA SA BSSID - IBSS/DLS
32 * 0 1 DA BSSID SA - AP -> STA
33 * 1 0 BSSID SA DA - AP <- STA
34 * 1 1 RA TA DA SA unspecified (WDS)
35 */
36
a9de8ce0
JB		 37#define FCS_LEN 4
38
39#define IEEE80211_FCTL_VERS 0x0003
40#define IEEE80211_FCTL_FTYPE 0x000c
41#define IEEE80211_FCTL_STYPE 0x00f0
42#define IEEE80211_FCTL_TODS 0x0100
43#define IEEE80211_FCTL_FROMDS 0x0200
44#define IEEE80211_FCTL_MOREFRAGS 0x0400
45#define IEEE80211_FCTL_RETRY 0x0800
46#define IEEE80211_FCTL_PM 0x1000
47#define IEEE80211_FCTL_MOREDATA 0x2000
48#define IEEE80211_FCTL_PROTECTED 0x4000
49#define IEEE80211_FCTL_ORDER 0x8000
50
51#define IEEE80211_SCTL_FRAG 0x000F
52#define IEEE80211_SCTL_SEQ 0xFFF0
53
54#define IEEE80211_FTYPE_MGMT 0x0000
55#define IEEE80211_FTYPE_CTL 0x0004
56#define IEEE80211_FTYPE_DATA 0x0008
57
58/* management */
59#define IEEE80211_STYPE_ASSOC_REQ 0x0000
60#define IEEE80211_STYPE_ASSOC_RESP 0x0010
61#define IEEE80211_STYPE_REASSOC_REQ 0x0020
62#define IEEE80211_STYPE_REASSOC_RESP 0x0030
63#define IEEE80211_STYPE_PROBE_REQ 0x0040
64#define IEEE80211_STYPE_PROBE_RESP 0x0050
65#define IEEE80211_STYPE_BEACON 0x0080
66#define IEEE80211_STYPE_ATIM 0x0090
67#define IEEE80211_STYPE_DISASSOC 0x00A0
68#define IEEE80211_STYPE_AUTH 0x00B0
69#define IEEE80211_STYPE_DEAUTH 0x00C0
70#define IEEE80211_STYPE_ACTION 0x00D0
71
72/* control */
6b4e3241
RR		 73#define IEEE80211_STYPE_BACK_REQ 0x0080
74#define IEEE80211_STYPE_BACK 0x0090
a9de8ce0
JB		 75#define IEEE80211_STYPE_PSPOLL 0x00A0
76#define IEEE80211_STYPE_RTS 0x00B0
77#define IEEE80211_STYPE_CTS 0x00C0
78#define IEEE80211_STYPE_ACK 0x00D0
79#define IEEE80211_STYPE_CFEND 0x00E0
80#define IEEE80211_STYPE_CFENDACK 0x00F0
81
82/* data */
83#define IEEE80211_STYPE_DATA 0x0000
84#define IEEE80211_STYPE_DATA_CFACK 0x0010
85#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
86#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
87#define IEEE80211_STYPE_NULLFUNC 0x0040
88#define IEEE80211_STYPE_CFACK 0x0050
89#define IEEE80211_STYPE_CFPOLL 0x0060
90#define IEEE80211_STYPE_CFACKPOLL 0x0070
91#define IEEE80211_STYPE_QOS_DATA 0x0080
92#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
93#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
94#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
95#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
96#define IEEE80211_STYPE_QOS_CFACK 0x00D0
97#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
98#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
99
100
101/* miscellaneous IEEE 802.11 constants */
c237899d
MW		 102#define IEEE80211_MAX_FRAG_THRESHOLD 2352
103#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0
JB		 104#define IEEE80211_MAX_AID 2007
105#define IEEE80211_MAX_TIM_LEN 251
a9de8ce0
JB		 106/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
107 6.2.1.1.2.
108
c237899d
MW		 109 802.11e clarifies the figure in section 7.1.2. The frame body is
110 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
111#define IEEE80211_MAX_DATA_LEN 2304
112/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
113#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0
JB		 114
115#define IEEE80211_MAX_SSID_LEN 32
1239cd58 116
37c57989 117#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 118
fd7c8a40 119#define IEEE80211_QOS_CTL_LEN 2
04b7dcf9
JB		 120/* 1d tag mask */
121#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
122/* TID mask */
123#define IEEE80211_QOS_CTL_TID_MASK 0x000f
124/* EOSP */
125#define IEEE80211_QOS_CTL_EOSP 0x0010
126/* ACK policy */
127#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
128#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
129#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
130#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
6cc00d54 131#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
04b7dcf9
JB		 132/* A-MSDU 802.11n */
133#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
2154c81c
JC		 134/* Mesh Control 802.11s */
135#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 136
ab13315a
KV		 137/* U-APSD queue for WMM IEs sent by AP */
138#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 139#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 140
141/* U-APSD queues for WMM IEs sent by STA */
142#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
143#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
144#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
145#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
146#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
147
148/* U-APSD max SP length for WMM IEs sent by STA */
149#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
150#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
151#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
152#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
153#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
154#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
155
d0dd2de0
AT		 156#define IEEE80211_HT_CTL_LEN 4
157
a9de8ce0
JB		 158struct ieee80211_hdr {
159 __le16 frame_control;
160 __le16 duration_id;
161 u8 addr1[6];
162 u8 addr2[6];
163 u8 addr3[6];
164 __le16 seq_ctrl;
165 u8 addr4[6];
166} __attribute__ ((packed));
167
7044cc56
KV		 168struct ieee80211_hdr_3addr {
169 __le16 frame_control;
170 __le16 duration_id;
171 u8 addr1[6];
172 u8 addr2[6];
173 u8 addr3[6];
174 __le16 seq_ctrl;
175} __attribute__ ((packed));
176
558a6669
KV		 177struct ieee80211_qos_hdr {
178 __le16 frame_control;
179 __le16 duration_id;
180 u8 addr1[6];
181 u8 addr2[6];
182 u8 addr3[6];
183 __le16 seq_ctrl;
184 __le16 qos_ctrl;
185} __attribute__ ((packed));
186
fd7c8a40
HH		 187/**
188 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
189 * @fc: frame control bytes in little-endian byteorder
190 */
191static inline int ieee80211_has_tods(__le16 fc)
192{
193 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
194}
195
196/**
197 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
198 * @fc: frame control bytes in little-endian byteorder
199 */
200static inline int ieee80211_has_fromds(__le16 fc)
201{
202 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
203}
204
205/**
206 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
207 * @fc: frame control bytes in little-endian byteorder
208 */
209static inline int ieee80211_has_a4(__le16 fc)
210{
211 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
212 return (fc & tmp) == tmp;
213}
214
215/**
216 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
217 * @fc: frame control bytes in little-endian byteorder
218 */
219static inline int ieee80211_has_morefrags(__le16 fc)
220{
221 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
222}
223
224/**
225 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
226 * @fc: frame control bytes in little-endian byteorder
227 */
228static inline int ieee80211_has_retry(__le16 fc)
229{
230 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
231}
232
233/**
234 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
235 * @fc: frame control bytes in little-endian byteorder
236 */
237static inline int ieee80211_has_pm(__le16 fc)
238{
239 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
240}
241
242/**
243 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
244 * @fc: frame control bytes in little-endian byteorder
245 */
246static inline int ieee80211_has_moredata(__le16 fc)
247{
248 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
249}
250
251/**
252 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
253 * @fc: frame control bytes in little-endian byteorder
254 */
255static inline int ieee80211_has_protected(__le16 fc)
256{
257 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
258}
259
260/**
261 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
262 * @fc: frame control bytes in little-endian byteorder
263 */
264static inline int ieee80211_has_order(__le16 fc)
265{
266 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
267}
268
269/**
270 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
271 * @fc: frame control bytes in little-endian byteorder
272 */
273static inline int ieee80211_is_mgmt(__le16 fc)
274{
275 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
276 cpu_to_le16(IEEE80211_FTYPE_MGMT);
277}
278
279/**
280 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
281 * @fc: frame control bytes in little-endian byteorder
282 */
283static inline int ieee80211_is_ctl(__le16 fc)
284{
285 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
286 cpu_to_le16(IEEE80211_FTYPE_CTL);
287}
288
289/**
290 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
291 * @fc: frame control bytes in little-endian byteorder
292 */
293static inline int ieee80211_is_data(__le16 fc)
294{
295 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
296 cpu_to_le16(IEEE80211_FTYPE_DATA);
297}
298
299/**
300 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
301 * @fc: frame control bytes in little-endian byteorder
302 */
303static inline int ieee80211_is_data_qos(__le16 fc)
304{
305 /*
306 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
307 * to check the one bit
308 */
309 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
310 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
311}
312
313/**
314 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
315 * @fc: frame control bytes in little-endian byteorder
316 */
317static inline int ieee80211_is_data_present(__le16 fc)
318{
319 /*
320 * mask with 0x40 and test that that bit is clear to only return true
321 * for the data-containing substypes.
322 */
323 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
324 cpu_to_le16(IEEE80211_FTYPE_DATA);
325}
326
327/**
328 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
329 * @fc: frame control bytes in little-endian byteorder
330 */
331static inline int ieee80211_is_assoc_req(__le16 fc)
332{
333 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
334 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
335}
336
337/**
338 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
339 * @fc: frame control bytes in little-endian byteorder
340 */
341static inline int ieee80211_is_assoc_resp(__le16 fc)
342{
343 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
344 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
345}
346
347/**
348 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
349 * @fc: frame control bytes in little-endian byteorder
350 */
351static inline int ieee80211_is_reassoc_req(__le16 fc)
352{
353 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
354 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
355}
356
357/**
358 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
359 * @fc: frame control bytes in little-endian byteorder
360 */
361static inline int ieee80211_is_reassoc_resp(__le16 fc)
362{
363 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
364 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
365}
366
367/**
368 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
369 * @fc: frame control bytes in little-endian byteorder
370 */
371static inline int ieee80211_is_probe_req(__le16 fc)
372{
373 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
374 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
375}
376
377/**
378 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
379 * @fc: frame control bytes in little-endian byteorder
380 */
381static inline int ieee80211_is_probe_resp(__le16 fc)
382{
383 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
384 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
385}
386
387/**
388 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
389 * @fc: frame control bytes in little-endian byteorder
390 */
391static inline int ieee80211_is_beacon(__le16 fc)
392{
393 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
394 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
395}
396
397/**
398 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
399 * @fc: frame control bytes in little-endian byteorder
400 */
401static inline int ieee80211_is_atim(__le16 fc)
402{
403 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
404 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
405}
406
407/**
408 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
409 * @fc: frame control bytes in little-endian byteorder
410 */
411static inline int ieee80211_is_disassoc(__le16 fc)
412{
413 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
414 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
415}
416
417/**
418 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
419 * @fc: frame control bytes in little-endian byteorder
420 */
421static inline int ieee80211_is_auth(__le16 fc)
422{
423 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
424 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
425}
426
427/**
428 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
429 * @fc: frame control bytes in little-endian byteorder
430 */
431static inline int ieee80211_is_deauth(__le16 fc)
432{
433 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
434 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
435}
436
437/**
438 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
439 * @fc: frame control bytes in little-endian byteorder
440 */
441static inline int ieee80211_is_action(__le16 fc)
442{
443 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
444 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
445}
446
447/**
448 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
449 * @fc: frame control bytes in little-endian byteorder
450 */
451static inline int ieee80211_is_back_req(__le16 fc)
452{
453 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
454 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
455}
456
457/**
458 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
459 * @fc: frame control bytes in little-endian byteorder
460 */
461static inline int ieee80211_is_back(__le16 fc)
462{
463 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
464 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
465}
466
467/**
468 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
469 * @fc: frame control bytes in little-endian byteorder
470 */
471static inline int ieee80211_is_pspoll(__le16 fc)
472{
473 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
474 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
475}
476
477/**
478 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
479 * @fc: frame control bytes in little-endian byteorder
480 */
481static inline int ieee80211_is_rts(__le16 fc)
482{
483 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
484 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
485}
486
487/**
488 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
489 * @fc: frame control bytes in little-endian byteorder
490 */
491static inline int ieee80211_is_cts(__le16 fc)
492{
493 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
494 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
495}
496
497/**
498 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
499 * @fc: frame control bytes in little-endian byteorder
500 */
501static inline int ieee80211_is_ack(__le16 fc)
502{
503 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
504 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
505}
506
507/**
508 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
509 * @fc: frame control bytes in little-endian byteorder
510 */
511static inline int ieee80211_is_cfend(__le16 fc)
512{
513 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
514 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
515}
516
517/**
518 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
519 * @fc: frame control bytes in little-endian byteorder
520 */
521static inline int ieee80211_is_cfendack(__le16 fc)
522{
523 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
524 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
525}
526
527/**
22403def 528 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 529 * @fc: frame control bytes in little-endian byteorder
530 */
531static inline int ieee80211_is_nullfunc(__le16 fc)
532{
533 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
534 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
535}
a9de8ce0 536
22403def
JB		 537/**
538 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
539 * @fc: frame control bytes in little-endian byteorder
540 */
541static inline int ieee80211_is_qos_nullfunc(__le16 fc)
542{
543 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
544 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
545}
546
8cb25e14
HS		 547/**
548 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
549 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
550 */
551static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
552{
553 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
554}
555
37c57989
LCC		 556struct ieee80211s_hdr {
557 u8 flags;
558 u8 ttl;
51ceddad 559 __le32 seqnum;
37c57989
LCC		 560 u8 eaddr1[6];
561 u8 eaddr2[6];
37c57989
LCC		 562} __attribute__ ((packed));
563
79617dee
Y		 564/* Mesh flags */
565#define MESH_FLAGS_AE_A4 0x1
566#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 567#define MESH_FLAGS_AE 0x3
79617dee
Y		 568#define MESH_FLAGS_PS_DEEP 0x4
569
a69cc44f
CYY		 570/**
571 * enum ieee80211_preq_flags - mesh PREQ element flags
572 *
573 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
574 */
575enum ieee80211_preq_flags {
576 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
577};
578
579/**
580 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
581 *
582 * @IEEE80211_PREQ_TO_FLAG: target only subfield
583 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
584 */
585enum ieee80211_preq_target_flags {
586 IEEE80211_PREQ_TO_FLAG = 1<<0,
587 IEEE80211_PREQ_USN_FLAG = 1<<2,
588};
589
f2df3859
AK		 590/**
591 * struct ieee80211_quiet_ie
592 *
593 * This structure refers to "Quiet information element"
594 */
595struct ieee80211_quiet_ie {
596 u8 count;
597 u8 period;
598 __le16 duration;
599 __le16 offset;
600} __attribute__ ((packed));
601
602/**
603 * struct ieee80211_msrment_ie
604 *
605 * This structure refers to "Measurement Request/Report information element"
606 */
607struct ieee80211_msrment_ie {
608 u8 token;
609 u8 mode;
610 u8 type;
611 u8 request[0];
612} __attribute__ ((packed));
613
614/**
615 * struct ieee80211_channel_sw_ie
616 *
617 * This structure refers to "Channel Switch Announcement information element"
618 */
619struct ieee80211_channel_sw_ie {
620 u8 mode;
621 u8 new_ch_num;
622 u8 count;
623} __attribute__ ((packed));
37c57989 624
98f7dfd8
EG		 625/**
626 * struct ieee80211_tim
627 *
628 * This structure refers to "Traffic Indication Map information element"
629 */
630struct ieee80211_tim_ie {
631 u8 dtim_count;
632 u8 dtim_period;
633 u8 bitmap_ctrl;
634 /* variable size: 1 - 251 bytes */
e7ec86f5 635 u8 virtual_map[1];
98f7dfd8
EG		 636} __attribute__ ((packed));
637
136cfa28
RP		 638/**
639 * struct ieee80211_meshconf_ie
640 *
641 * This structure refers to "Mesh Configuration information element"
642 */
643struct ieee80211_meshconf_ie {
644 u8 meshconf_psel;
645 u8 meshconf_pmetric;
646 u8 meshconf_congest;
647 u8 meshconf_synch;
648 u8 meshconf_auth;
649 u8 meshconf_form;
650 u8 meshconf_cap;
651} __attribute__ ((packed));
652
90a5e169
RP		 653/**
654 * struct ieee80211_rann_ie
655 *
656 * This structure refers to "Root Announcement information element"
657 */
658struct ieee80211_rann_ie {
659 u8 rann_flags;
660 u8 rann_hopcount;
661 u8 rann_ttl;
662 u8 rann_addr[6];
292c41ac
CYY		 663 __le32 rann_seq;
664 __le32 rann_interval;
665 __le32 rann_metric;
90a5e169
RP		 666} __attribute__ ((packed));
667
5ee68e5b
JC		 668enum ieee80211_rann_flags {
669 RANN_FLAG_IS_GATE = 1 << 0,
670};
671
9dfd6ba3 672#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 673
a9de8ce0
JB		 674struct ieee80211_mgmt {
675 __le16 frame_control;
676 __le16 duration;
677 u8 da[6];
678 u8 sa[6];
679 u8 bssid[6];
680 __le16 seq_ctrl;
681 union {
682 struct {
683 __le16 auth_alg;
684 __le16 auth_transaction;
685 __le16 status_code;
686 /* possibly followed by Challenge text */
687 u8 variable[0];
688 } __attribute__ ((packed)) auth;
689 struct {
690 __le16 reason_code;
691 } __attribute__ ((packed)) deauth;
692 struct {
693 __le16 capab_info;
694 __le16 listen_interval;
695 /* followed by SSID and Supported rates */
696 u8 variable[0];
697 } __attribute__ ((packed)) assoc_req;
698 struct {
699 __le16 capab_info;
700 __le16 status_code;
701 __le16 aid;
702 /* followed by Supported rates */
703 u8 variable[0];
704 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
705 struct {
706 __le16 capab_info;
707 __le16 listen_interval;
708 u8 current_ap[6];
709 /* followed by SSID and Supported rates */
710 u8 variable[0];
711 } __attribute__ ((packed)) reassoc_req;
712 struct {
713 __le16 reason_code;
714 } __attribute__ ((packed)) disassoc;
715 struct {
716 __le64 timestamp;
717 __le16 beacon_int;
718 __le16 capab_info;
719 /* followed by some of SSID, Supported rates,
720 * FH Params, DS Params, CF Params, IBSS Params, TIM */
721 u8 variable[0];
722 } __attribute__ ((packed)) beacon;
723 struct {
724 /* only variable items: SSID, Supported rates */
725 u8 variable[0];
726 } __attribute__ ((packed)) probe_req;
727 struct {
728 __le64 timestamp;
729 __le16 beacon_int;
730 __le16 capab_info;
731 /* followed by some of SSID, Supported rates,
732 * FH Params, DS Params, CF Params, IBSS Params */
733 u8 variable[0];
734 } __attribute__ ((packed)) probe_resp;
735 struct {
736 u8 category;
737 union {
738 struct {
739 u8 action_code;
740 u8 dialog_token;
741 u8 status_code;
742 u8 variable[0];
743 } __attribute__ ((packed)) wme_action;
744 struct{
745 u8 action_code;
746 u8 element_id;
747 u8 length;
f2df3859 748 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 749 } __attribute__((packed)) chan_switch;
f2df3859
AK		 750 struct{
751 u8 action_code;
752 u8 dialog_token;
753 u8 element_id;
754 u8 length;
755 struct ieee80211_msrment_ie msr_elem;
756 } __attribute__((packed)) measurement;
6b4e3241
RR		 757 struct{
758 u8 action_code;
759 u8 dialog_token;
760 __le16 capab;
761 __le16 timeout;
762 __le16 start_seq_num;
763 } __attribute__((packed)) addba_req;
764 struct{
765 u8 action_code;
766 u8 dialog_token;
767 __le16 status;
768 __le16 capab;
769 __le16 timeout;
770 } __attribute__((packed)) addba_resp;
771 struct{
772 u8 action_code;
773 __le16 params;
774 __le16 reason_code;
775 } __attribute__((packed)) delba;
6709a6d9
TP		 776 struct {
777 u8 action_code;
778 u8 variable[0];
779 } __attribute__((packed)) self_prot;
37c57989
LCC		 780 struct{
781 u8 action_code;
782 u8 variable[0];
783 } __attribute__((packed)) mesh_action;
fea14732
JM		 784 struct {
785 u8 action;
786 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
787 } __attribute__ ((packed)) sa_query;
0f78231b
JB		 788 struct {
789 u8 action;
790 u8 smps_control;
791 } __attribute__ ((packed)) ht_smps;
dfe018bf
AN		 792 struct {
793 u8 action_code;
794 u8 dialog_token;
795 __le16 capability;
796 u8 variable[0];
797 } __packed tdls_discover_resp;
a9de8ce0
JB		 798 } u;
799 } __attribute__ ((packed)) action;
800 } u;
801} __attribute__ ((packed));
802
c74d084f
CL		 803/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
804#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
805
44d414db
JB		 806/* mgmt header + 1 byte category code */
807#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
808
a9de8ce0 809
765cb46a
JM		 810/* Management MIC information element (IEEE 802.11w) */
811struct ieee80211_mmie {
812 u8 element_id;
813 u8 length;
814 __le16 key_id;
815 u8 sequence_number[6];
816 u8 mic[8];
817} __attribute__ ((packed));
818
0c28ec58
EP		 819struct ieee80211_vendor_ie {
820 u8 element_id;
821 u8 len;
822 u8 oui[3];
823 u8 oui_type;
824} __packed;
825
a9de8ce0
JB		 826/* Control frames */
827struct ieee80211_rts {
828 __le16 frame_control;
829 __le16 duration;
830 u8 ra[6];
831 u8 ta[6];
832} __attribute__ ((packed));
833
834struct ieee80211_cts {
835 __le16 frame_control;
836 __le16 duration;
837 u8 ra[6];
838} __attribute__ ((packed));
839
fc6971d4
JM		 840struct ieee80211_pspoll {
841 __le16 frame_control;
842 __le16 aid;
843 u8 bssid[6];
844 u8 ta[6];
845} __attribute__ ((packed));
846
dfe018bf
AN		 847/* TDLS */
848
849/* Link-id information element */
850struct ieee80211_tdls_lnkie {
851 u8 ie_type; /* Link Identifier IE */
852 u8 ie_len;
853 u8 bssid[6];
854 u8 init_sta[6];
855 u8 resp_sta[6];
856} __packed;
857
858struct ieee80211_tdls_data {
859 u8 da[6];
860 u8 sa[6];
861 __be16 ether_type;
862 u8 payload_type;
863 u8 category;
864 u8 action_code;
865 union {
866 struct {
867 u8 dialog_token;
868 __le16 capability;
869 u8 variable[0];
870 } __packed setup_req;
871 struct {
872 __le16 status_code;
873 u8 dialog_token;
874 __le16 capability;
875 u8 variable[0];
876 } __packed setup_resp;
877 struct {
878 __le16 status_code;
879 u8 dialog_token;
880 u8 variable[0];
881 } __packed setup_cfm;
882 struct {
883 __le16 reason_code;
884 u8 variable[0];
885 } __packed teardown;
886 struct {
887 u8 dialog_token;
888 u8 variable[0];
889 } __packed discover_req;
890 } u;
891} __packed;
892
6b4e3241
RR		 893/**
894 * struct ieee80211_bar - HT Block Ack Request
895 *
896 * This structure refers to "HT BlockAckReq" as
897 * described in 802.11n draft section 7.2.1.7.1
898 */
899struct ieee80211_bar {
900 __le16 frame_control;
901 __le16 duration;
902 __u8 ra[6];
903 __u8 ta[6];
a8b47ea3
RR		 904 __le16 control;
905 __le16 start_seq_num;
6b4e3241
RR		 906} __attribute__((packed));
907
429a3805 908/* 802.11 BAR control masks */
c1407b6c
HS		 909#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
910#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
911#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
912#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
913#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 914
915#define IEEE80211_HT_MCS_MASK_LEN 10
916
917/**
918 * struct ieee80211_mcs_info - MCS information
919 * @rx_mask: RX mask
9da3e068
LR		 920 * @rx_highest: highest supported RX rate. If set represents
921 * the highest supported RX data rate in units of 1 Mbps.
922 * If this field is 0 this value should not be used to
923 * consider the highest RX data rate supported.
d9fe60de
JB		 924 * @tx_params: TX parameters
925 */
926struct ieee80211_mcs_info {
927 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
928 __le16 rx_highest;
929 u8 tx_params;
930 u8 reserved[3];
931} __attribute__((packed));
932
933/* 802.11n HT capability MSC set */
934#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
935#define IEEE80211_HT_MCS_TX_DEFINED 0x01
936#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
937/* value 0 == 1 stream etc */
938#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
939#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
940#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
941#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
942
943/*
944 * 802.11n D5.0 20.3.5 / 20.6 says:
945 * - indices 0 to 7 and 32 are single spatial stream
946 * - 8 to 31 are multiple spatial streams using equal modulation
947 * [8..15 for two streams, 16..23 for three and 24..31 for four]
948 * - remainder are multiple spatial streams using unequal modulation
949 */
950#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
951#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
952 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
953
6b4e3241
RR		 954/**
955 * struct ieee80211_ht_cap - HT capabilities
956 *
d9fe60de
JB		 957 * This structure is the "HT capabilities element" as
958 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 959 */
960struct ieee80211_ht_cap {
961 __le16 cap_info;
962 u8 ampdu_params_info;
d9fe60de
JB		 963
964 /* 16 bytes MCS information */
965 struct ieee80211_mcs_info mcs;
966
6b4e3241
RR		 967 __le16 extended_ht_cap_info;
968 __le32 tx_BF_cap_info;
969 u8 antenna_selection_info;
970} __attribute__ ((packed));
971
d9fe60de
JB		 972/* 802.11n HT capabilities masks (for cap_info) */
973#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
974#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
975#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 976#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 977#define IEEE80211_HT_CAP_GRN_FLD 0x0010
978#define IEEE80211_HT_CAP_SGI_20 0x0020
979#define IEEE80211_HT_CAP_SGI_40 0x0040
980#define IEEE80211_HT_CAP_TX_STBC 0x0080
981#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 982#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 983#define IEEE80211_HT_CAP_DELAY_BA 0x0400
984#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
985#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 986#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 987#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
988#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
989
4dd365fd
BZ		 990/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
991#define IEEE80211_HT_EXT_CAP_PCO 0x0001
992#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
993#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
994#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
995#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
996#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
997#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
998
d9fe60de
JB		 999/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1000#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1001#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 1002#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 1003
d1eba248
S		 1004/*
1005 * Maximum length of AMPDU that the STA can receive.
1006 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1007 */
1008enum ieee80211_max_ampdu_length_exp {
1009 IEEE80211_HT_MAX_AMPDU_8K = 0,
1010 IEEE80211_HT_MAX_AMPDU_16K = 1,
1011 IEEE80211_HT_MAX_AMPDU_32K = 2,
1012 IEEE80211_HT_MAX_AMPDU_64K = 3
1013};
1014
1015#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1016
1017/* Minimum MPDU start spacing */
1018enum ieee80211_min_mpdu_spacing {
1019 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1020 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1021 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1022 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1023 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1024 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1025 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1026 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1027};
1028
6b4e3241 1029/**
074d46d1 1030 * struct ieee80211_ht_operation - HT operation IE
6b4e3241 1031 *
074d46d1
JB		 1032 * This structure is the "HT operation element" as
1033 * described in 802.11n-2009 7.3.2.57
6b4e3241 1034 */
074d46d1
JB		 1035struct ieee80211_ht_operation {
1036 u8 primary_chan;
6b4e3241
RR		 1037 u8 ht_param;
1038 __le16 operation_mode;
1039 __le16 stbc_param;
1040 u8 basic_set[16];
1041} __attribute__ ((packed));
1042
d9fe60de
JB		 1043/* for ht_param */
1044#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1045#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1046#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1047#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1048#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1049#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
d9fe60de
JB		 1050
1051/* for operation_mode */
1052#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1053#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1054#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1055#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1056#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1057#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1058#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1059
1060/* for stbc_param */
1061#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1062#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1063#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1064#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1065#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1066#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1067
a9de8ce0 1068
44d414db
JB		 1069/* block-ack parameters */
1070#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1071#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1072#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 1073#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1074#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1075
1076/*
1077 * A-PMDU buffer sizes
1078 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1079 */
1080#define IEEE80211_MIN_AMPDU_BUF 0x8
1081#define IEEE80211_MAX_AMPDU_BUF 0x40
1082
1083
0f78231b 1084/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 1085#define WLAN_HT_CAP_SM_PS_STATIC 0
1086#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1087#define WLAN_HT_CAP_SM_PS_INVALID 2
1088#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1089
0f78231b
JB		 1090/* for SM power control field lower two bits */
1091#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1092#define WLAN_HT_SMPS_CONTROL_STATIC 1
1093#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1094
a9de8ce0
JB		 1095/* Authentication algorithms */
1096#define WLAN_AUTH_OPEN 0
1097#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1098#define WLAN_AUTH_FT 2
cfdfa4d3 1099#define WLAN_AUTH_SAE 3
bb608e9d 1100#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1101
1102#define WLAN_AUTH_CHALLENGE_LEN 128
1103
1104#define WLAN_CAPABILITY_ESS (1<<0)
1105#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1106
333ba732
EP		 1107/*
1108 * A mesh STA sets the ESS and IBSS capability bits to zero.
1109 * however, this holds true for p2p probe responses (in the p2p_find
1110 * phase) as well.
1111 */
1112#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1113 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1114
a9de8ce0
JB		 1115#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1116#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1117#define WLAN_CAPABILITY_PRIVACY (1<<4)
1118#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1119#define WLAN_CAPABILITY_PBCC (1<<6)
1120#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1121
a9de8ce0
JB		 1122/* 802.11h */
1123#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1124#define WLAN_CAPABILITY_QOS (1<<9)
1125#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1126#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b6623486
AK		 1127/* measurement */
1128#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1129#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1130#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1131
1132#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1133#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1134#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1135
a9de8ce0 1136
5628221c
DD		 1137/* 802.11g ERP information element */
1138#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1139#define WLAN_ERP_USE_PROTECTION (1<<1)
1140#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1141
1142/* WLAN_ERP_BARKER_PREAMBLE values */
1143enum {
1144 WLAN_ERP_PREAMBLE_SHORT = 0,
1145 WLAN_ERP_PREAMBLE_LONG = 1,
1146};
1147
a9de8ce0
JB		 1148/* Status codes */
1149enum ieee80211_statuscode {
1150 WLAN_STATUS_SUCCESS = 0,
1151 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1152 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1153 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1154 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1155 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1156 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1157 WLAN_STATUS_CHALLENGE_FAIL = 15,
1158 WLAN_STATUS_AUTH_TIMEOUT = 16,
1159 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1160 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1161 /* 802.11b */
1162 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1163 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1164 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1165 /* 802.11h */
1166 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1167 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1168 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1169 /* 802.11g */
1170 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1171 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1172 /* 802.11w */
1173 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1174 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1175 /* 802.11i */
1176 WLAN_STATUS_INVALID_IE = 40,
1177 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1178 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1179 WLAN_STATUS_INVALID_AKMP = 43,
1180 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1181 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1182 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1183 /* 802.11e */
1184 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1185 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1186 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1187 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1188 WLAN_STATUS_REQUEST_DECLINED = 37,
1189 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1190 WLAN_STATUS_CHANGE_TSPEC = 39,
1191 WLAN_STATUS_WAIT_TS_DELAY = 47,
1192 WLAN_STATUS_NO_DIRECT_LINK = 48,
1193 WLAN_STATUS_STA_NOT_PRESENT = 49,
1194 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1195 /* 802.11s */
1196 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1197 WLAN_STATUS_FCG_NOT_SUPP = 78,
1198 WLAN_STATUS_STA_NO_TBTT = 78,
a9de8ce0
JB		 1199};
1200
1201
1202/* Reason codes */
1203enum ieee80211_reasoncode {
1204 WLAN_REASON_UNSPECIFIED = 1,
1205 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1206 WLAN_REASON_DEAUTH_LEAVING = 3,
1207 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1208 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1209 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1210 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1211 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1212 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1213 /* 802.11h */
1214 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1215 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1216 /* 802.11i */
1217 WLAN_REASON_INVALID_IE = 13,
1218 WLAN_REASON_MIC_FAILURE = 14,
1219 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1220 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1221 WLAN_REASON_IE_DIFFERENT = 17,
1222 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1223 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1224 WLAN_REASON_INVALID_AKMP = 20,
1225 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1226 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1227 WLAN_REASON_IEEE8021X_FAILED = 23,
1228 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1229 /* 802.11e */
1230 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1231 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1232 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1233 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1234 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1235 WLAN_REASON_QSTA_NOT_USE = 37,
1236 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1237 WLAN_REASON_QSTA_TIMEOUT = 39,
1238 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1239 /* 802.11s */
1240 WLAN_REASON_MESH_PEER_CANCELED = 52,
1241 WLAN_REASON_MESH_MAX_PEERS = 53,
1242 WLAN_REASON_MESH_CONFIG = 54,
1243 WLAN_REASON_MESH_CLOSE = 55,
1244 WLAN_REASON_MESH_MAX_RETRIES = 56,
1245 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1246 WLAN_REASON_MESH_INVALID_GTK = 58,
1247 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1248 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1249 WLAN_REASON_MESH_PATH_ERROR = 61,
1250 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1251 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1252 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1253 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1254 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1255};
1256
1257
1258/* Information Element IDs */
1259enum ieee80211_eid {
1260 WLAN_EID_SSID = 0,
1261 WLAN_EID_SUPP_RATES = 1,
1262 WLAN_EID_FH_PARAMS = 2,
1263 WLAN_EID_DS_PARAMS = 3,
1264 WLAN_EID_CF_PARAMS = 4,
1265 WLAN_EID_TIM = 5,
1266 WLAN_EID_IBSS_PARAMS = 6,
1267 WLAN_EID_CHALLENGE = 16,
8e664fb3 1268
a9de8ce0
JB		 1269 WLAN_EID_COUNTRY = 7,
1270 WLAN_EID_HP_PARAMS = 8,
1271 WLAN_EID_HP_TABLE = 9,
1272 WLAN_EID_REQUEST = 10,
8e664fb3 1273
6b4e3241
RR		 1274 WLAN_EID_QBSS_LOAD = 11,
1275 WLAN_EID_EDCA_PARAM_SET = 12,
1276 WLAN_EID_TSPEC = 13,
1277 WLAN_EID_TCLAS = 14,
1278 WLAN_EID_SCHEDULE = 15,
1279 WLAN_EID_TS_DELAY = 43,
1280 WLAN_EID_TCLAS_PROCESSING = 44,
1281 WLAN_EID_QOS_CAPA = 46,
dfe018bf
AN		 1282 /* 802.11z */
1283 WLAN_EID_LINK_ID = 101,
cfdfa4d3
S		 1284 /* 802.11s */
1285 WLAN_EID_MESH_CONFIG = 113,
1286 WLAN_EID_MESH_ID = 114,
1287 WLAN_EID_LINK_METRIC_REPORT = 115,
1288 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S		 1289 WLAN_EID_PEER_MGMT = 117,
1290 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1291 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1292 WLAN_EID_BEACON_TIMING = 120,
1293 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1294 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1295 WLAN_EID_MCCAOP_ADVERT = 123,
1296 WLAN_EID_MCCAOP_TEARDOWN = 124,
1297 WLAN_EID_GANN = 125,
1298 WLAN_EID_RANN = 126,
1299 WLAN_EID_PREQ = 130,
1300 WLAN_EID_PREP = 131,
1301 WLAN_EID_PERR = 132,
1302 WLAN_EID_PXU = 137,
1303 WLAN_EID_PXUC = 138,
1304 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1305 WLAN_EID_MIC = 140,
8e664fb3 1306
a9de8ce0
JB		 1307 WLAN_EID_PWR_CONSTRAINT = 32,
1308 WLAN_EID_PWR_CAPABILITY = 33,
1309 WLAN_EID_TPC_REQUEST = 34,
1310 WLAN_EID_TPC_REPORT = 35,
1311 WLAN_EID_SUPPORTED_CHANNELS = 36,
1312 WLAN_EID_CHANNEL_SWITCH = 37,
1313 WLAN_EID_MEASURE_REQUEST = 38,
1314 WLAN_EID_MEASURE_REPORT = 39,
1315 WLAN_EID_QUIET = 40,
1316 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1317
a9de8ce0
JB		 1318 WLAN_EID_ERP_INFO = 42,
1319 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1320
6b4e3241 1321 WLAN_EID_HT_CAPABILITY = 45,
074d46d1 1322 WLAN_EID_HT_OPERATION = 61,
8e664fb3 1323
a9de8ce0 1324 WLAN_EID_RSN = 48,
8e664fb3 1325 WLAN_EID_MMIE = 76,
a9de8ce0
JB		 1326 WLAN_EID_WPA = 221,
1327 WLAN_EID_GENERIC = 221,
1328 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB		 1329 WLAN_EID_QOS_PARAMETER = 222,
1330
1331 WLAN_EID_AP_CHAN_REPORT = 51,
1332 WLAN_EID_NEIGHBOR_REPORT = 52,
1333 WLAN_EID_RCPI = 53,
1334 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1335 WLAN_EID_ANTENNA_INFO = 64,
1336 WLAN_EID_RSNI = 65,
1337 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1338 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1339 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1340 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1341 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK		 1342 WLAN_EID_BSS_COEX_2040 = 72,
1343 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1344 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB		 1345
1346 WLAN_EID_MOBILITY_DOMAIN = 54,
1347 WLAN_EID_FAST_BSS_TRANSITION = 55,
1348 WLAN_EID_TIMEOUT_INTERVAL = 56,
1349 WLAN_EID_RIC_DATA = 57,
1350 WLAN_EID_RIC_DESCRIPTOR = 75,
1351
1352 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1353 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1354 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
a9de8ce0
JB		 1355};
1356
6b4e3241
RR		 1357/* Action category code */
1358enum ieee80211_category {
1359 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1360 WLAN_CATEGORY_QOS = 1,
1361 WLAN_CATEGORY_DLS = 2,
1362 WLAN_CATEGORY_BACK = 3,
fb733336 1363 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1364 WLAN_CATEGORY_HT = 7,
fea14732 1365 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1366 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
dfe018bf 1367 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S		 1368 WLAN_CATEGORY_MESH_ACTION = 13,
1369 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1370 WLAN_CATEGORY_SELF_PROTECTED = 15,
6b4e3241 1371 WLAN_CATEGORY_WMM = 17,
528769cf
JM		 1372 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1373 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1374};
1375
f2df3859
AK		 1376/* SPECTRUM_MGMT action code */
1377enum ieee80211_spectrum_mgmt_actioncode {
1378 WLAN_ACTION_SPCT_MSR_REQ = 0,
1379 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1380 WLAN_ACTION_SPCT_TPC_REQ = 2,
1381 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1382 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1383};
1384
0f78231b
JB		 1385/* HT action codes */
1386enum ieee80211_ht_actioncode {
1387 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1388 WLAN_HT_ACTION_SMPS = 1,
1389 WLAN_HT_ACTION_PSMP = 2,
1390 WLAN_HT_ACTION_PCO_PHASE = 3,
1391 WLAN_HT_ACTION_CSI = 4,
1392 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1393 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1394 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1395};
1396
6709a6d9
TP		 1397/* Self Protected Action codes */
1398enum ieee80211_self_protected_actioncode {
1399 WLAN_SP_RESERVED = 0,
1400 WLAN_SP_MESH_PEERING_OPEN = 1,
1401 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1402 WLAN_SP_MESH_PEERING_CLOSE = 3,
1403 WLAN_SP_MGK_INFORM = 4,
1404 WLAN_SP_MGK_ACK = 5,
1405};
1406
36c704fd
TP		 1407/* Mesh action codes */
1408enum ieee80211_mesh_actioncode {
1409 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1410 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1411 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1412 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1413 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1414 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1415 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1416 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1417 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1418 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1419 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1420};
1421
e31a16d6
ZY		 1422/* Security key length */
1423enum ieee80211_key_len {
1424 WLAN_KEY_LEN_WEP40 = 5,
1425 WLAN_KEY_LEN_WEP104 = 13,
1426 WLAN_KEY_LEN_CCMP = 16,
1427 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1428 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1429};
1430
dfe018bf
AN		 1431/* Public action codes */
1432enum ieee80211_pub_actioncode {
1433 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1434};
1435
1436/* TDLS action codes */
1437enum ieee80211_tdls_actioncode {
1438 WLAN_TDLS_SETUP_REQUEST = 0,
1439 WLAN_TDLS_SETUP_RESPONSE = 1,
1440 WLAN_TDLS_SETUP_CONFIRM = 2,
1441 WLAN_TDLS_TEARDOWN = 3,
1442 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1443 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1444 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1445 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1446 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1447 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1448 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1449};
1450
1451/*
1452 * TDLS capabililites to be enabled in the 5th byte of the
1453 * @WLAN_EID_EXT_CAPABILITY information element
1454 */
1455#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1456#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1457
1458/* TDLS specific payload type in the LLC/SNAP header */
1459#define WLAN_TDLS_SNAP_RFTYPE 0x2
1460
dbf498fb
JC		 1461/**
1462 * enum - mesh synchronization method identifier
1463 *
1464 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1465 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
a4f606ea 1466 * that will be specified in a vendor specific information element
dbf498fb
JC		 1467 */
1468enum {
1469 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1470 IEEE80211_SYNC_METHOD_VENDOR = 255,
1471};
1472
c80d545d
JC		 1473/**
1474 * enum - mesh path selection protocol identifier
1475 *
1476 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1477 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
a4f606ea 1478 * be specified in a vendor specific information element
c80d545d
JC		 1479 */
1480enum {
dcca1cfc 1481 IEEE80211_PATH_PROTOCOL_HWMP = 1,
c80d545d
JC		 1482 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1483};
1484
1485/**
1486 * enum - mesh path selection metric identifier
1487 *
1488 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1489 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
a4f606ea 1490 * specified in a vendor specific information element
c80d545d
JC		 1491 */
1492enum {
dcca1cfc 1493 IEEE80211_PATH_METRIC_AIRTIME = 1,
c80d545d
JC		 1494 IEEE80211_PATH_METRIC_VENDOR = 255,
1495};
1496
a69cc44f
CYY		 1497/**
1498 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1499 *
1500 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1501 *
1502 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1503 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1504 * this value
1505 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1506 * the proactive PREQ with proactive PREP subfield set to 0
1507 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1508 * supports the proactive PREQ with proactive PREP subfield set to 1
1509 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1510 * the proactive RANN
1511 */
1512enum ieee80211_root_mode_identifier {
1513 IEEE80211_ROOTMODE_NO_ROOT = 0,
1514 IEEE80211_ROOTMODE_ROOT = 1,
1515 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1516 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1517 IEEE80211_PROACTIVE_RANN = 4,
1518};
c80d545d 1519
3f2355cb
LR		 1520/*
1521 * IEEE 802.11-2007 7.3.2.9 Country information element
1522 *
1523 * Minimum length is 8 octets, ie len must be evenly
1524 * divisible by 2
1525 */
1526
1527/* Although the spec says 8 I'm seeing 6 in practice */
1528#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1529
80751e2b
BZ		 1530/* The Country String field of the element shall be 3 octets in length */
1531#define IEEE80211_COUNTRY_STRING_LEN 3
1532
3f2355cb
LR		 1533/*
1534 * For regulatory extension stuff see IEEE 802.11-2007
1535 * Annex I (page 1141) and Annex J (page 1147). Also
1536 * review 7.3.2.9.
1537 *
1538 * When dot11RegulatoryClassesRequired is true and the
1539 * first_channel/reg_extension_id is >= 201 then the IE
1540 * compromises of the 'ext' struct represented below:
1541 *
1542 * - Regulatory extension ID - when generating IE this just needs
1543 * to be monotonically increasing for each triplet passed in
1544 * the IE
1545 * - Regulatory class - index into set of rules
1546 * - Coverage class - index into air propagation time (Table 7-27),
1547 * in microseconds, you can compute the air propagation time from
1548 * the index by multiplying by 3, so index 10 yields a propagation
1549 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1550 * yet. A value of 0 inicates air propagation of <= 1 us.
1551 *
1552 * See also Table I.2 for Emission limit sets and table
1553 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1554 * a reg_class to an emission limit set and behavior limit set.
1555 */
1556#define IEEE80211_COUNTRY_EXTENSION_ID 201
1557
1558/*
1559 * Channels numbers in the IE must be monotonically increasing
1560 * if dot11RegulatoryClassesRequired is not true.
1561 *
1562 * If dot11RegulatoryClassesRequired is true consecutive
1563 * subband triplets following a regulatory triplet shall
1564 * have monotonically increasing first_channel number fields.
1565 *
1566 * Channel numbers shall not overlap.
1567 *
1568 * Note that max_power is signed.
1569 */
1570struct ieee80211_country_ie_triplet {
1571 union {
1572 struct {
1573 u8 first_channel;
1574 u8 num_channels;
1575 s8 max_power;
1576 } __attribute__ ((packed)) chans;
1577 struct {
1578 u8 reg_extension_id;
1579 u8 reg_class;
1580 u8 coverage_class;
1581 } __attribute__ ((packed)) ext;
1582 };
1583} __attribute__ ((packed));
1584
f797eb7e
JM		 1585enum ieee80211_timeout_interval_type {
1586 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1587 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1588 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1589};
1590
6b4e3241
RR		 1591/* BACK action code */
1592enum ieee80211_back_actioncode {
1593 WLAN_ACTION_ADDBA_REQ = 0,
1594 WLAN_ACTION_ADDBA_RESP = 1,
1595 WLAN_ACTION_DELBA = 2,
1596};
1597
07db2183
RR		 1598/* BACK (block-ack) parties */
1599enum ieee80211_back_parties {
1600 WLAN_BACK_RECIPIENT = 0,
1601 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 1602};
1603
fea14732
JM		 1604/* SA Query action */
1605enum ieee80211_sa_query_action {
1606 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1607 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1608};
1609
1610
a9de8ce0
JB		 1611/* cipher suite selectors */
1612#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1613#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1614#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1615/* reserved: 0x000FAC03 */
1616#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1617#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1618#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
a9de8ce0 1619
c2e889a7
JM		 1620#define WLAN_CIPHER_SUITE_SMS4 0x00147201
1621
6a669e65
JB		 1622/* AKM suite selectors */
1623#define WLAN_AKM_SUITE_8021X 0x000FAC01
1624#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S		 1625#define WLAN_AKM_SUITE_SAE 0x000FAC08
1626#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1627
a9de8ce0
JB		 1628#define WLAN_MAX_KEY_LEN 32
1629
67fbb16b
SO		 1630#define WLAN_PMKID_LEN 16
1631
0c28ec58
EP		 1632#define WLAN_OUI_WFA 0x506f9a
1633#define WLAN_OUI_TYPE_WFA_P2P 9
535588e6
AP		 1634#define WLAN_OUI_MICROSOFT 0x0050f2
1635#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
0c28ec58 1636
856799d5
KV		 1637/*
1638 * WMM/802.11e Tspec Element
1639 */
1640#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1641#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1642
1643enum ieee80211_tspec_status_code {
1644 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1645 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1646};
1647
1648struct ieee80211_tspec_ie {
1649 u8 element_id;
1650 u8 len;
1651 u8 oui[3];
1652 u8 oui_type;
1653 u8 oui_subtype;
1654 u8 version;
1655 __le16 tsinfo;
1656 u8 tsinfo_resvd;
1657 __le16 nominal_msdu;
1658 __le16 max_msdu;
1659 __le32 min_service_int;
1660 __le32 max_service_int;
1661 __le32 inactivity_int;
1662 __le32 suspension_int;
1663 __le32 service_start_time;
1664 __le32 min_data_rate;
1665 __le32 mean_data_rate;
1666 __le32 peak_data_rate;
1667 __le32 max_burst_size;
1668 __le32 delay_bound;
1669 __le32 min_phy_rate;
1670 __le16 sba;
1671 __le16 medium_time;
1672} __packed;
1673
fd7c8a40
HH		 1674/**
1675 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1676 * @hdr: the frame
1677 *
1678 * The qos ctrl bytes come after the frame_control, duration, seq_num
1679 * and 3 or 4 addresses of length ETH_ALEN.
1680 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1681 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1682 */
1683static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1684{
1685 if (ieee80211_has_a4(hdr->frame_control))
1686 return (u8 *)hdr + 30;
1687 else
1688 return (u8 *)hdr + 24;
1689}
1690
f97df02e
JB		 1691/**
1692 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1693 * @hdr: the frame
f97df02e
JB		 1694 *
1695 * Given an 802.11 frame, this function returns the offset
1696 * to the source address (SA). It does not verify that the
1697 * header is long enough to contain the address, and the
1698 * header must be long enough to contain the frame control
1699 * field.
f97df02e
JB		 1700 */
1701static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1702{
fd7c8a40 1703 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1704 return hdr->addr4;
fd7c8a40
HH		 1705 if (ieee80211_has_fromds(hdr->frame_control))
1706 return hdr->addr3;
1707 return hdr->addr2;
f97df02e
JB		 1708}
1709
1710/**
1711 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1712 * @hdr: the frame
f97df02e
JB		 1713 *
1714 * Given an 802.11 frame, this function returns the offset
1715 * to the destination address (DA). It does not verify that
1716 * the header is long enough to contain the address, and the
1717 * header must be long enough to contain the frame control
1718 * field.
f97df02e
JB		 1719 */
1720static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1721{
fd7c8a40 1722 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1723 return hdr->addr3;
5a433b3a
HH		 1724 else
1725 return hdr->addr1;
f97df02e
JB		 1726}
1727
fb733336
JM		 1728/**
1729 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1730 * @hdr: the frame (buffer must include at least the first octet of payload)
1731 */
1732static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1733{
1734 if (ieee80211_is_disassoc(hdr->frame_control) ||
1735 ieee80211_is_deauth(hdr->frame_control))
1736 return true;
1737
1738 if (ieee80211_is_action(hdr->frame_control)) {
1739 u8 *category;
1740
1741 /*
1742 * Action frames, excluding Public Action frames, are Robust
1743 * Management Frames. However, if we are looking at a Protected
1744 * frame, skip the check since the data may be encrypted and
1745 * the frame has already been found to be a Robust Management
1746 * Frame (by the other end).
1747 */
1748 if (ieee80211_has_protected(hdr->frame_control))
1749 return true;
1750 category = ((u8 *) hdr) + 24;
528769cf
JM		 1751 return *category != WLAN_CATEGORY_PUBLIC &&
1752 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1753 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1754 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1755 }
1756
1757 return false;
1758}
1759
3df6eaea
JB		 1760/**
1761 * ieee80211_is_public_action - check if frame is a public action frame
1762 * @hdr: the frame
1763 * @len: length of the frame
1764 */
1765static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
1766 size_t len)
1767{
1768 struct ieee80211_mgmt *mgmt = (void *)hdr;
1769
1770 if (len < IEEE80211_MIN_ACTION_SIZE)
1771 return false;
1772 if (!ieee80211_is_action(hdr->frame_control))
1773 return false;
1774 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
1775}
1776
9ee677c2
DK		 1777/**
1778 * ieee80211_fhss_chan_to_freq - get channel frequency
1779 * @channel: the FHSS channel
1780 *
1781 * Convert IEEE802.11 FHSS channel to frequency (MHz)
1782 * Ref IEEE 802.11-2007 section 14.6
1783 */
1784static inline int ieee80211_fhss_chan_to_freq(int channel)
1785{
1786 if ((channel > 1) && (channel < 96))
1787 return channel + 2400;
1788 else
1789 return -1;
1790}
1791
1792/**
1793 * ieee80211_freq_to_fhss_chan - get channel
1794 * @freq: the channels frequency
1795 *
1796 * Convert frequency (MHz) to IEEE802.11 FHSS channel
1797 * Ref IEEE 802.11-2007 section 14.6
1798 */
1799static inline int ieee80211_freq_to_fhss_chan(int freq)
1800{
1801 if ((freq > 2401) && (freq < 2496))
1802 return freq - 2400;
1803 else
1804 return -1;
1805}
1806
1807/**
1808 * ieee80211_dsss_chan_to_freq - get channel center frequency
1809 * @channel: the DSSS channel
1810 *
1811 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1812 * Ref IEEE 802.11-2007 section 15.6
1813 */
1814static inline int ieee80211_dsss_chan_to_freq(int channel)
1815{
1816 if ((channel > 0) && (channel < 14))
1817 return 2407 + (channel * 5);
1818 else if (channel == 14)
1819 return 2484;
1820 else
1821 return -1;
1822}
1823
1824/**
1825 * ieee80211_freq_to_dsss_chan - get channel
1826 * @freq: the frequency
1827 *
1828 * Convert frequency (MHz) to IEEE802.11 DSSS channel
1829 * Ref IEEE 802.11-2007 section 15.6
1830 *
1831 * This routine selects the channel with the closest center frequency.
1832 */
1833static inline int ieee80211_freq_to_dsss_chan(int freq)
1834{
1835 if ((freq >= 2410) && (freq < 2475))
1836 return (freq - 2405) / 5;
1837 else if ((freq >= 2482) && (freq < 2487))
1838 return 14;
1839 else
1840 return -1;
1841}
1842
1843/* Convert IEEE802.11 HR DSSS channel to frequency (MHz) and back
1844 * Ref IEEE 802.11-2007 section 18.4.6.2
1845 *
1846 * The channels and frequencies are the same as those defined for DSSS
1847 */
1848#define ieee80211_hr_chan_to_freq(chan) ieee80211_dsss_chan_to_freq(chan)
1849#define ieee80211_freq_to_hr_chan(freq) ieee80211_freq_to_dsss_chan(freq)
1850
1851/* Convert IEEE802.11 ERP channel to frequency (MHz) and back
1852 * Ref IEEE 802.11-2007 section 19.4.2
1853 */
1854#define ieee80211_erp_chan_to_freq(chan) ieee80211_hr_chan_to_freq(chan)
1855#define ieee80211_freq_to_erp_chan(freq) ieee80211_freq_to_hr_chan(freq)
1856
1857/**
1858 * ieee80211_ofdm_chan_to_freq - get channel center frequency
1859 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1860 * @channel: the OFDM channel
1861 *
1862 * Convert IEEE802.11 OFDM channel to center frequency (MHz)
1863 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1864 */
1865static inline int ieee80211_ofdm_chan_to_freq(int s_freq, int channel)
1866{
1867 if ((channel > 0) && (channel <= 200) &&
1868 (s_freq >= 4000))
1869 return s_freq + (channel * 5);
1870 else
1871 return -1;
1872}
1873
1874/**
1875 * ieee80211_freq_to_ofdm_channel - get channel
1876 * @s_freq: starting frequency == (dotChannelStartingFactor/2) MHz
1877 * @freq: the frequency
1878 *
1879 * Convert frequency (MHz) to IEEE802.11 OFDM channel
1880 * Ref IEEE 802.11-2007 section 17.3.8.3.2
1881 *
1882 * This routine selects the channel with the closest center frequency.
1883 */
1884static inline int ieee80211_freq_to_ofdm_chan(int s_freq, int freq)
1885{
1886 if ((freq > (s_freq + 2)) && (freq <= (s_freq + 1202)) &&
1887 (s_freq >= 4000))
1888 return (freq + 2 - s_freq) / 5;
1889 else
1890 return -1;
1891}
1892
10f644a4
JB		 1893/**
1894 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
1895 * @tu: the TUs
1896 */
1897static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
1898{
1899 return 1024 * tu;
1900}
1901
e7ec86f5
JB		 1902/**
1903 * ieee80211_check_tim - check if AID bit is set in TIM
1904 * @tim: the TIM IE
1905 * @tim_len: length of the TIM IE
1906 * @aid: the AID to look for
1907 */
1908static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
1909 u8 tim_len, u16 aid)
1910{
1911 u8 mask;
1912 u8 index, indexn1, indexn2;
1913
1914 if (unlikely(!tim || tim_len < sizeof(*tim)))
1915 return false;
1916
1917 aid &= 0x3fff;
1918 index = aid / 8;
1919 mask = 1 << (aid & 7);
1920
1921 indexn1 = tim->bitmap_ctrl & 0xfe;
1922 indexn2 = tim_len + indexn1 - 4;
1923
1924 if (index < indexn1 || index > indexn2)
1925 return false;
1926
1927 index -= indexn1;
1928
1929 return !!(tim->virtual_map[index] & mask);
1930}
1931
9387b7ca 1932#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
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