projects / deliverable / linux.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
mac80211: use CMAC_PN_LEN
[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
b188148c 50#define IEEE80211_FCTL_CTL_EXT 0x0f00
a9de8ce0
JB		 51
52#define IEEE80211_SCTL_FRAG 0x000F
53#define IEEE80211_SCTL_SEQ 0xFFF0
54
55#define IEEE80211_FTYPE_MGMT 0x0000
56#define IEEE80211_FTYPE_CTL 0x0004
57#define IEEE80211_FTYPE_DATA 0x0008
b188148c 58#define IEEE80211_FTYPE_EXT 0x000c
a9de8ce0
JB		 59
60/* management */
61#define IEEE80211_STYPE_ASSOC_REQ 0x0000
62#define IEEE80211_STYPE_ASSOC_RESP 0x0010
63#define IEEE80211_STYPE_REASSOC_REQ 0x0020
64#define IEEE80211_STYPE_REASSOC_RESP 0x0030
65#define IEEE80211_STYPE_PROBE_REQ 0x0040
66#define IEEE80211_STYPE_PROBE_RESP 0x0050
67#define IEEE80211_STYPE_BEACON 0x0080
68#define IEEE80211_STYPE_ATIM 0x0090
69#define IEEE80211_STYPE_DISASSOC 0x00A0
70#define IEEE80211_STYPE_AUTH 0x00B0
71#define IEEE80211_STYPE_DEAUTH 0x00C0
72#define IEEE80211_STYPE_ACTION 0x00D0
73
74/* control */
b188148c 75#define IEEE80211_STYPE_CTL_EXT 0x0060
6b4e3241
RR		 76#define IEEE80211_STYPE_BACK_REQ 0x0080
77#define IEEE80211_STYPE_BACK 0x0090
a9de8ce0
JB		 78#define IEEE80211_STYPE_PSPOLL 0x00A0
79#define IEEE80211_STYPE_RTS 0x00B0
80#define IEEE80211_STYPE_CTS 0x00C0
81#define IEEE80211_STYPE_ACK 0x00D0
82#define IEEE80211_STYPE_CFEND 0x00E0
83#define IEEE80211_STYPE_CFENDACK 0x00F0
84
85/* data */
86#define IEEE80211_STYPE_DATA 0x0000
87#define IEEE80211_STYPE_DATA_CFACK 0x0010
88#define IEEE80211_STYPE_DATA_CFPOLL 0x0020
89#define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
90#define IEEE80211_STYPE_NULLFUNC 0x0040
91#define IEEE80211_STYPE_CFACK 0x0050
92#define IEEE80211_STYPE_CFPOLL 0x0060
93#define IEEE80211_STYPE_CFACKPOLL 0x0070
94#define IEEE80211_STYPE_QOS_DATA 0x0080
95#define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
96#define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
97#define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
98#define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
99#define IEEE80211_STYPE_QOS_CFACK 0x00D0
100#define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
101#define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
102
b188148c
VK		 103/* extension, added by 802.11ad */
104#define IEEE80211_STYPE_DMG_BEACON 0x0000
105
106/* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
107#define IEEE80211_CTL_EXT_POLL 0x2000
108#define IEEE80211_CTL_EXT_SPR 0x3000
109#define IEEE80211_CTL_EXT_GRANT 0x4000
110#define IEEE80211_CTL_EXT_DMG_CTS 0x5000
111#define IEEE80211_CTL_EXT_DMG_DTS 0x6000
112#define IEEE80211_CTL_EXT_SSW 0x8000
113#define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
114#define IEEE80211_CTL_EXT_SSW_ACK 0xa000
a9de8ce0
JB		 115
116/* miscellaneous IEEE 802.11 constants */
c237899d
MW		 117#define IEEE80211_MAX_FRAG_THRESHOLD 2352
118#define IEEE80211_MAX_RTS_THRESHOLD 2353
a9de8ce0
JB		 119#define IEEE80211_MAX_AID 2007
120#define IEEE80211_MAX_TIM_LEN 251
a9de8ce0
JB		 121/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
122 6.2.1.1.2.
123
c237899d
MW		 124 802.11e clarifies the figure in section 7.1.2. The frame body is
125 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
126#define IEEE80211_MAX_DATA_LEN 2304
127/* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
128#define IEEE80211_MAX_FRAME_LEN 2352
a9de8ce0
JB		 129
130#define IEEE80211_MAX_SSID_LEN 32
1239cd58 131
37c57989 132#define IEEE80211_MAX_MESH_ID_LEN 32
1239cd58 133
fd7c8a40 134#define IEEE80211_QOS_CTL_LEN 2
04b7dcf9
JB		 135/* 1d tag mask */
136#define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
137/* TID mask */
138#define IEEE80211_QOS_CTL_TID_MASK 0x000f
139/* EOSP */
140#define IEEE80211_QOS_CTL_EOSP 0x0010
141/* ACK policy */
142#define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
143#define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
144#define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
145#define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
6cc00d54 146#define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
04b7dcf9
JB		 147/* A-MSDU 802.11n */
148#define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
2154c81c
JC		 149/* Mesh Control 802.11s */
150#define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
a9de8ce0 151
ab13315a
KV		 152/* U-APSD queue for WMM IEs sent by AP */
153#define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
44316cb1 154#define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
ab13315a
KV		 155
156/* U-APSD queues for WMM IEs sent by STA */
157#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
158#define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
159#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
160#define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
161#define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
162
163/* U-APSD max SP length for WMM IEs sent by STA */
164#define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
165#define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
166#define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
167#define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
168#define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
169#define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
170
d0dd2de0
AT		 171#define IEEE80211_HT_CTL_LEN 4
172
a9de8ce0
JB		 173struct ieee80211_hdr {
174 __le16 frame_control;
175 __le16 duration_id;
176 u8 addr1[6];
177 u8 addr2[6];
178 u8 addr3[6];
179 __le16 seq_ctrl;
180 u8 addr4[6];
181} __attribute__ ((packed));
182
7044cc56
KV		 183struct ieee80211_hdr_3addr {
184 __le16 frame_control;
185 __le16 duration_id;
186 u8 addr1[6];
187 u8 addr2[6];
188 u8 addr3[6];
189 __le16 seq_ctrl;
190} __attribute__ ((packed));
191
558a6669
KV		 192struct ieee80211_qos_hdr {
193 __le16 frame_control;
194 __le16 duration_id;
195 u8 addr1[6];
196 u8 addr2[6];
197 u8 addr3[6];
198 __le16 seq_ctrl;
199 __le16 qos_ctrl;
200} __attribute__ ((packed));
201
fd7c8a40
HH		 202/**
203 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
204 * @fc: frame control bytes in little-endian byteorder
205 */
206static inline int ieee80211_has_tods(__le16 fc)
207{
208 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
209}
210
211/**
212 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
213 * @fc: frame control bytes in little-endian byteorder
214 */
215static inline int ieee80211_has_fromds(__le16 fc)
216{
217 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
218}
219
220/**
221 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
222 * @fc: frame control bytes in little-endian byteorder
223 */
224static inline int ieee80211_has_a4(__le16 fc)
225{
226 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
227 return (fc & tmp) == tmp;
228}
229
230/**
231 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
232 * @fc: frame control bytes in little-endian byteorder
233 */
234static inline int ieee80211_has_morefrags(__le16 fc)
235{
236 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
237}
238
239/**
240 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
241 * @fc: frame control bytes in little-endian byteorder
242 */
243static inline int ieee80211_has_retry(__le16 fc)
244{
245 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
246}
247
248/**
249 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
250 * @fc: frame control bytes in little-endian byteorder
251 */
252static inline int ieee80211_has_pm(__le16 fc)
253{
254 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
255}
256
257/**
258 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
259 * @fc: frame control bytes in little-endian byteorder
260 */
261static inline int ieee80211_has_moredata(__le16 fc)
262{
263 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
264}
265
266/**
267 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
268 * @fc: frame control bytes in little-endian byteorder
269 */
270static inline int ieee80211_has_protected(__le16 fc)
271{
272 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
273}
274
275/**
276 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
277 * @fc: frame control bytes in little-endian byteorder
278 */
279static inline int ieee80211_has_order(__le16 fc)
280{
281 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
282}
283
284/**
285 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
286 * @fc: frame control bytes in little-endian byteorder
287 */
288static inline int ieee80211_is_mgmt(__le16 fc)
289{
290 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
291 cpu_to_le16(IEEE80211_FTYPE_MGMT);
292}
293
294/**
295 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
296 * @fc: frame control bytes in little-endian byteorder
297 */
298static inline int ieee80211_is_ctl(__le16 fc)
299{
300 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
301 cpu_to_le16(IEEE80211_FTYPE_CTL);
302}
303
304/**
305 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
306 * @fc: frame control bytes in little-endian byteorder
307 */
308static inline int ieee80211_is_data(__le16 fc)
309{
310 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
311 cpu_to_le16(IEEE80211_FTYPE_DATA);
312}
313
314/**
315 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
316 * @fc: frame control bytes in little-endian byteorder
317 */
318static inline int ieee80211_is_data_qos(__le16 fc)
319{
320 /*
321 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
322 * to check the one bit
323 */
324 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
325 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
326}
327
328/**
329 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
330 * @fc: frame control bytes in little-endian byteorder
331 */
332static inline int ieee80211_is_data_present(__le16 fc)
333{
334 /*
335 * mask with 0x40 and test that that bit is clear to only return true
336 * for the data-containing substypes.
337 */
338 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
339 cpu_to_le16(IEEE80211_FTYPE_DATA);
340}
341
342/**
343 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
344 * @fc: frame control bytes in little-endian byteorder
345 */
346static inline int ieee80211_is_assoc_req(__le16 fc)
347{
348 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
349 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
350}
351
352/**
353 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
354 * @fc: frame control bytes in little-endian byteorder
355 */
356static inline int ieee80211_is_assoc_resp(__le16 fc)
357{
358 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
359 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
360}
361
362/**
363 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
364 * @fc: frame control bytes in little-endian byteorder
365 */
366static inline int ieee80211_is_reassoc_req(__le16 fc)
367{
368 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
369 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
370}
371
372/**
373 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
374 * @fc: frame control bytes in little-endian byteorder
375 */
376static inline int ieee80211_is_reassoc_resp(__le16 fc)
377{
378 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
379 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
380}
381
382/**
383 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
384 * @fc: frame control bytes in little-endian byteorder
385 */
386static inline int ieee80211_is_probe_req(__le16 fc)
387{
388 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
389 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
390}
391
392/**
393 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
394 * @fc: frame control bytes in little-endian byteorder
395 */
396static inline int ieee80211_is_probe_resp(__le16 fc)
397{
398 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
399 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
400}
401
402/**
403 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
404 * @fc: frame control bytes in little-endian byteorder
405 */
406static inline int ieee80211_is_beacon(__le16 fc)
407{
408 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
409 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
410}
411
412/**
413 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
414 * @fc: frame control bytes in little-endian byteorder
415 */
416static inline int ieee80211_is_atim(__le16 fc)
417{
418 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
419 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
420}
421
422/**
423 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
424 * @fc: frame control bytes in little-endian byteorder
425 */
426static inline int ieee80211_is_disassoc(__le16 fc)
427{
428 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
429 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
430}
431
432/**
433 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
434 * @fc: frame control bytes in little-endian byteorder
435 */
436static inline int ieee80211_is_auth(__le16 fc)
437{
438 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
439 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
440}
441
442/**
443 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
444 * @fc: frame control bytes in little-endian byteorder
445 */
446static inline int ieee80211_is_deauth(__le16 fc)
447{
448 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
449 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
450}
451
452/**
453 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
454 * @fc: frame control bytes in little-endian byteorder
455 */
456static inline int ieee80211_is_action(__le16 fc)
457{
458 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
459 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
460}
461
462/**
463 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
464 * @fc: frame control bytes in little-endian byteorder
465 */
466static inline int ieee80211_is_back_req(__le16 fc)
467{
468 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
469 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
470}
471
472/**
473 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
474 * @fc: frame control bytes in little-endian byteorder
475 */
476static inline int ieee80211_is_back(__le16 fc)
477{
478 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
479 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
480}
481
482/**
483 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
484 * @fc: frame control bytes in little-endian byteorder
485 */
486static inline int ieee80211_is_pspoll(__le16 fc)
487{
488 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
489 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
490}
491
492/**
493 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
494 * @fc: frame control bytes in little-endian byteorder
495 */
496static inline int ieee80211_is_rts(__le16 fc)
497{
498 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
499 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
500}
501
502/**
503 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
504 * @fc: frame control bytes in little-endian byteorder
505 */
506static inline int ieee80211_is_cts(__le16 fc)
507{
508 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
509 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
510}
511
512/**
513 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
514 * @fc: frame control bytes in little-endian byteorder
515 */
516static inline int ieee80211_is_ack(__le16 fc)
517{
518 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
519 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
520}
521
522/**
523 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
524 * @fc: frame control bytes in little-endian byteorder
525 */
526static inline int ieee80211_is_cfend(__le16 fc)
527{
528 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
529 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
530}
531
532/**
533 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
534 * @fc: frame control bytes in little-endian byteorder
535 */
536static inline int ieee80211_is_cfendack(__le16 fc)
537{
538 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
539 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
540}
541
542/**
22403def 543 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
fd7c8a40
HH		 544 * @fc: frame control bytes in little-endian byteorder
545 */
546static inline int ieee80211_is_nullfunc(__le16 fc)
547{
548 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
549 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
550}
a9de8ce0 551
22403def
JB		 552/**
553 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
554 * @fc: frame control bytes in little-endian byteorder
555 */
556static inline int ieee80211_is_qos_nullfunc(__le16 fc)
557{
558 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
559 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
560}
561
8cb25e14
HS		 562/**
563 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
564 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
565 */
566static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
567{
568 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
569}
570
37c57989
LCC		 571struct ieee80211s_hdr {
572 u8 flags;
573 u8 ttl;
51ceddad 574 __le32 seqnum;
37c57989
LCC		 575 u8 eaddr1[6];
576 u8 eaddr2[6];
37c57989
LCC		 577} __attribute__ ((packed));
578
79617dee
Y		 579/* Mesh flags */
580#define MESH_FLAGS_AE_A4 0x1
581#define MESH_FLAGS_AE_A5_A6 0x2
e31a16d6 582#define MESH_FLAGS_AE 0x3
79617dee
Y		 583#define MESH_FLAGS_PS_DEEP 0x4
584
a69cc44f
CYY		 585/**
586 * enum ieee80211_preq_flags - mesh PREQ element flags
587 *
588 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
589 */
590enum ieee80211_preq_flags {
591 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
592};
593
594/**
595 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
596 *
597 * @IEEE80211_PREQ_TO_FLAG: target only subfield
598 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
599 */
600enum ieee80211_preq_target_flags {
601 IEEE80211_PREQ_TO_FLAG = 1<<0,
602 IEEE80211_PREQ_USN_FLAG = 1<<2,
603};
604
f2df3859
AK		 605/**
606 * struct ieee80211_quiet_ie
607 *
608 * This structure refers to "Quiet information element"
609 */
610struct ieee80211_quiet_ie {
611 u8 count;
612 u8 period;
613 __le16 duration;
614 __le16 offset;
615} __attribute__ ((packed));
616
617/**
618 * struct ieee80211_msrment_ie
619 *
620 * This structure refers to "Measurement Request/Report information element"
621 */
622struct ieee80211_msrment_ie {
623 u8 token;
624 u8 mode;
625 u8 type;
626 u8 request[0];
627} __attribute__ ((packed));
628
629/**
630 * struct ieee80211_channel_sw_ie
631 *
632 * This structure refers to "Channel Switch Announcement information element"
633 */
634struct ieee80211_channel_sw_ie {
635 u8 mode;
636 u8 new_ch_num;
637 u8 count;
638} __attribute__ ((packed));
37c57989 639
98f7dfd8
EG		 640/**
641 * struct ieee80211_tim
642 *
643 * This structure refers to "Traffic Indication Map information element"
644 */
645struct ieee80211_tim_ie {
646 u8 dtim_count;
647 u8 dtim_period;
648 u8 bitmap_ctrl;
649 /* variable size: 1 - 251 bytes */
e7ec86f5 650 u8 virtual_map[1];
98f7dfd8
EG		 651} __attribute__ ((packed));
652
136cfa28
RP		 653/**
654 * struct ieee80211_meshconf_ie
655 *
656 * This structure refers to "Mesh Configuration information element"
657 */
658struct ieee80211_meshconf_ie {
659 u8 meshconf_psel;
660 u8 meshconf_pmetric;
661 u8 meshconf_congest;
662 u8 meshconf_synch;
663 u8 meshconf_auth;
664 u8 meshconf_form;
665 u8 meshconf_cap;
666} __attribute__ ((packed));
667
90a5e169
RP		 668/**
669 * struct ieee80211_rann_ie
670 *
671 * This structure refers to "Root Announcement information element"
672 */
673struct ieee80211_rann_ie {
674 u8 rann_flags;
675 u8 rann_hopcount;
676 u8 rann_ttl;
677 u8 rann_addr[6];
292c41ac
CYY		 678 __le32 rann_seq;
679 __le32 rann_interval;
680 __le32 rann_metric;
90a5e169
RP		 681} __attribute__ ((packed));
682
5ee68e5b
JC		 683enum ieee80211_rann_flags {
684 RANN_FLAG_IS_GATE = 1 << 0,
685};
686
9dfd6ba3 687#define WLAN_SA_QUERY_TR_ID_LEN 2
fea14732 688
a9de8ce0
JB		 689struct ieee80211_mgmt {
690 __le16 frame_control;
691 __le16 duration;
692 u8 da[6];
693 u8 sa[6];
694 u8 bssid[6];
695 __le16 seq_ctrl;
696 union {
697 struct {
698 __le16 auth_alg;
699 __le16 auth_transaction;
700 __le16 status_code;
701 /* possibly followed by Challenge text */
702 u8 variable[0];
703 } __attribute__ ((packed)) auth;
704 struct {
705 __le16 reason_code;
706 } __attribute__ ((packed)) deauth;
707 struct {
708 __le16 capab_info;
709 __le16 listen_interval;
710 /* followed by SSID and Supported rates */
711 u8 variable[0];
712 } __attribute__ ((packed)) assoc_req;
713 struct {
714 __le16 capab_info;
715 __le16 status_code;
716 __le16 aid;
717 /* followed by Supported rates */
718 u8 variable[0];
719 } __attribute__ ((packed)) assoc_resp, reassoc_resp;
720 struct {
721 __le16 capab_info;
722 __le16 listen_interval;
723 u8 current_ap[6];
724 /* followed by SSID and Supported rates */
725 u8 variable[0];
726 } __attribute__ ((packed)) reassoc_req;
727 struct {
728 __le16 reason_code;
729 } __attribute__ ((packed)) disassoc;
730 struct {
731 __le64 timestamp;
732 __le16 beacon_int;
733 __le16 capab_info;
734 /* followed by some of SSID, Supported rates,
735 * FH Params, DS Params, CF Params, IBSS Params, TIM */
736 u8 variable[0];
737 } __attribute__ ((packed)) beacon;
738 struct {
739 /* only variable items: SSID, Supported rates */
740 u8 variable[0];
741 } __attribute__ ((packed)) probe_req;
742 struct {
743 __le64 timestamp;
744 __le16 beacon_int;
745 __le16 capab_info;
746 /* followed by some of SSID, Supported rates,
747 * FH Params, DS Params, CF Params, IBSS Params */
748 u8 variable[0];
749 } __attribute__ ((packed)) probe_resp;
750 struct {
751 u8 category;
752 union {
753 struct {
754 u8 action_code;
755 u8 dialog_token;
756 u8 status_code;
757 u8 variable[0];
758 } __attribute__ ((packed)) wme_action;
759 struct{
760 u8 action_code;
761 u8 element_id;
762 u8 length;
f2df3859 763 struct ieee80211_channel_sw_ie sw_elem;
a9de8ce0 764 } __attribute__((packed)) chan_switch;
f2df3859
AK		 765 struct{
766 u8 action_code;
767 u8 dialog_token;
768 u8 element_id;
769 u8 length;
770 struct ieee80211_msrment_ie msr_elem;
771 } __attribute__((packed)) measurement;
6b4e3241
RR		 772 struct{
773 u8 action_code;
774 u8 dialog_token;
775 __le16 capab;
776 __le16 timeout;
777 __le16 start_seq_num;
778 } __attribute__((packed)) addba_req;
779 struct{
780 u8 action_code;
781 u8 dialog_token;
782 __le16 status;
783 __le16 capab;
784 __le16 timeout;
785 } __attribute__((packed)) addba_resp;
786 struct{
787 u8 action_code;
788 __le16 params;
789 __le16 reason_code;
790 } __attribute__((packed)) delba;
6709a6d9
TP		 791 struct {
792 u8 action_code;
793 u8 variable[0];
794 } __attribute__((packed)) self_prot;
37c57989
LCC		 795 struct{
796 u8 action_code;
797 u8 variable[0];
798 } __attribute__((packed)) mesh_action;
fea14732
JM		 799 struct {
800 u8 action;
801 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
802 } __attribute__ ((packed)) sa_query;
0f78231b
JB		 803 struct {
804 u8 action;
805 u8 smps_control;
806 } __attribute__ ((packed)) ht_smps;
dfe018bf
AN		 807 struct {
808 u8 action_code;
809 u8 dialog_token;
810 __le16 capability;
811 u8 variable[0];
812 } __packed tdls_discover_resp;
a9de8ce0
JB		 813 } u;
814 } __attribute__ ((packed)) action;
815 } u;
816} __attribute__ ((packed));
817
c74d084f
CL		 818/* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
819#define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
820
44d414db
JB		 821/* mgmt header + 1 byte category code */
822#define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
823
a9de8ce0 824
765cb46a
JM		 825/* Management MIC information element (IEEE 802.11w) */
826struct ieee80211_mmie {
827 u8 element_id;
828 u8 length;
829 __le16 key_id;
830 u8 sequence_number[6];
831 u8 mic[8];
832} __attribute__ ((packed));
833
0c28ec58
EP		 834struct ieee80211_vendor_ie {
835 u8 element_id;
836 u8 len;
837 u8 oui[3];
838 u8 oui_type;
839} __packed;
840
a9de8ce0
JB		 841/* Control frames */
842struct ieee80211_rts {
843 __le16 frame_control;
844 __le16 duration;
845 u8 ra[6];
846 u8 ta[6];
847} __attribute__ ((packed));
848
849struct ieee80211_cts {
850 __le16 frame_control;
851 __le16 duration;
852 u8 ra[6];
853} __attribute__ ((packed));
854
fc6971d4
JM		 855struct ieee80211_pspoll {
856 __le16 frame_control;
857 __le16 aid;
858 u8 bssid[6];
859 u8 ta[6];
860} __attribute__ ((packed));
861
dfe018bf
AN		 862/* TDLS */
863
864/* Link-id information element */
865struct ieee80211_tdls_lnkie {
866 u8 ie_type; /* Link Identifier IE */
867 u8 ie_len;
868 u8 bssid[6];
869 u8 init_sta[6];
870 u8 resp_sta[6];
871} __packed;
872
873struct ieee80211_tdls_data {
874 u8 da[6];
875 u8 sa[6];
876 __be16 ether_type;
877 u8 payload_type;
878 u8 category;
879 u8 action_code;
880 union {
881 struct {
882 u8 dialog_token;
883 __le16 capability;
884 u8 variable[0];
885 } __packed setup_req;
886 struct {
887 __le16 status_code;
888 u8 dialog_token;
889 __le16 capability;
890 u8 variable[0];
891 } __packed setup_resp;
892 struct {
893 __le16 status_code;
894 u8 dialog_token;
895 u8 variable[0];
896 } __packed setup_cfm;
897 struct {
898 __le16 reason_code;
899 u8 variable[0];
900 } __packed teardown;
901 struct {
902 u8 dialog_token;
903 u8 variable[0];
904 } __packed discover_req;
905 } u;
906} __packed;
907
ba350fbc
AS		 908/*
909 * Peer-to-Peer IE attribute related definitions.
910 */
911/**
912 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
913 */
914enum ieee80211_p2p_attr_id {
915 IEEE80211_P2P_ATTR_STATUS = 0,
916 IEEE80211_P2P_ATTR_MINOR_REASON,
917 IEEE80211_P2P_ATTR_CAPABILITY,
918 IEEE80211_P2P_ATTR_DEVICE_ID,
919 IEEE80211_P2P_ATTR_GO_INTENT,
920 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
921 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
922 IEEE80211_P2P_ATTR_GROUP_BSSID,
923 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
924 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
925 IEEE80211_P2P_ATTR_MANAGABILITY,
926 IEEE80211_P2P_ATTR_CHANNEL_LIST,
927 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
928 IEEE80211_P2P_ATTR_DEVICE_INFO,
929 IEEE80211_P2P_ATTR_GROUP_INFO,
930 IEEE80211_P2P_ATTR_GROUP_ID,
931 IEEE80211_P2P_ATTR_INTERFACE,
932 IEEE80211_P2P_ATTR_OPER_CHANNEL,
933 IEEE80211_P2P_ATTR_INVITE_FLAGS,
934 /* 19 - 220: Reserved */
935 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
936
937 IEEE80211_P2P_ATTR_MAX
938};
939
6b4e3241
RR		 940/**
941 * struct ieee80211_bar - HT Block Ack Request
942 *
943 * This structure refers to "HT BlockAckReq" as
944 * described in 802.11n draft section 7.2.1.7.1
945 */
946struct ieee80211_bar {
947 __le16 frame_control;
948 __le16 duration;
949 __u8 ra[6];
950 __u8 ta[6];
a8b47ea3
RR		 951 __le16 control;
952 __le16 start_seq_num;
6b4e3241
RR		 953} __attribute__((packed));
954
429a3805 955/* 802.11 BAR control masks */
c1407b6c
HS		 956#define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
957#define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
958#define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
959#define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
960#define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
d9fe60de
JB		 961
962#define IEEE80211_HT_MCS_MASK_LEN 10
963
964/**
965 * struct ieee80211_mcs_info - MCS information
966 * @rx_mask: RX mask
9da3e068
LR		 967 * @rx_highest: highest supported RX rate. If set represents
968 * the highest supported RX data rate in units of 1 Mbps.
969 * If this field is 0 this value should not be used to
970 * consider the highest RX data rate supported.
d9fe60de
JB		 971 * @tx_params: TX parameters
972 */
973struct ieee80211_mcs_info {
974 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
975 __le16 rx_highest;
976 u8 tx_params;
977 u8 reserved[3];
978} __attribute__((packed));
979
980/* 802.11n HT capability MSC set */
981#define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
982#define IEEE80211_HT_MCS_TX_DEFINED 0x01
983#define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
984/* value 0 == 1 stream etc */
985#define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
986#define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
987#define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
988#define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
989
990/*
991 * 802.11n D5.0 20.3.5 / 20.6 says:
992 * - indices 0 to 7 and 32 are single spatial stream
993 * - 8 to 31 are multiple spatial streams using equal modulation
994 * [8..15 for two streams, 16..23 for three and 24..31 for four]
995 * - remainder are multiple spatial streams using unequal modulation
996 */
997#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
998#define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
999 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1000
6b4e3241
RR		 1001/**
1002 * struct ieee80211_ht_cap - HT capabilities
1003 *
d9fe60de
JB		 1004 * This structure is the "HT capabilities element" as
1005 * described in 802.11n D5.0 7.3.2.57
6b4e3241
RR		 1006 */
1007struct ieee80211_ht_cap {
1008 __le16 cap_info;
1009 u8 ampdu_params_info;
d9fe60de
JB		 1010
1011 /* 16 bytes MCS information */
1012 struct ieee80211_mcs_info mcs;
1013
6b4e3241
RR		 1014 __le16 extended_ht_cap_info;
1015 __le32 tx_BF_cap_info;
1016 u8 antenna_selection_info;
1017} __attribute__ ((packed));
1018
d9fe60de
JB		 1019/* 802.11n HT capabilities masks (for cap_info) */
1020#define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1021#define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1022#define IEEE80211_HT_CAP_SM_PS 0x000C
0f78231b 1023#define IEEE80211_HT_CAP_SM_PS_SHIFT 2
d9fe60de
JB		 1024#define IEEE80211_HT_CAP_GRN_FLD 0x0010
1025#define IEEE80211_HT_CAP_SGI_20 0x0020
1026#define IEEE80211_HT_CAP_SGI_40 0x0040
1027#define IEEE80211_HT_CAP_TX_STBC 0x0080
1028#define IEEE80211_HT_CAP_RX_STBC 0x0300
f79d9bad 1029#define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
d9fe60de
JB		 1030#define IEEE80211_HT_CAP_DELAY_BA 0x0400
1031#define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1032#define IEEE80211_HT_CAP_DSSSCCK40 0x1000
9a418af5 1033#define IEEE80211_HT_CAP_RESERVED 0x2000
d9fe60de
JB		 1034#define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1035#define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1036
4dd365fd
BZ		 1037/* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1038#define IEEE80211_HT_EXT_CAP_PCO 0x0001
1039#define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1040#define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1041#define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1042#define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1043#define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1044#define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1045
d9fe60de
JB		 1046/* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1047#define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1048#define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
0f78231b 1049#define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
d9fe60de 1050
d1eba248
S		 1051/*
1052 * Maximum length of AMPDU that the STA can receive.
1053 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1054 */
1055enum ieee80211_max_ampdu_length_exp {
1056 IEEE80211_HT_MAX_AMPDU_8K = 0,
1057 IEEE80211_HT_MAX_AMPDU_16K = 1,
1058 IEEE80211_HT_MAX_AMPDU_32K = 2,
1059 IEEE80211_HT_MAX_AMPDU_64K = 3
1060};
1061
1062#define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1063
1064/* Minimum MPDU start spacing */
1065enum ieee80211_min_mpdu_spacing {
1066 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1067 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1068 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1069 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1070 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1071 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1072 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1073 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1074};
1075
6b4e3241 1076/**
074d46d1 1077 * struct ieee80211_ht_operation - HT operation IE
6b4e3241 1078 *
074d46d1
JB		 1079 * This structure is the "HT operation element" as
1080 * described in 802.11n-2009 7.3.2.57
6b4e3241 1081 */
074d46d1
JB		 1082struct ieee80211_ht_operation {
1083 u8 primary_chan;
6b4e3241
RR		 1084 u8 ht_param;
1085 __le16 operation_mode;
1086 __le16 stbc_param;
1087 u8 basic_set[16];
1088} __attribute__ ((packed));
1089
d9fe60de
JB		 1090/* for ht_param */
1091#define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1092#define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1093#define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1094#define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1095#define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1096#define IEEE80211_HT_PARAM_RIFS_MODE 0x08
d9fe60de
JB		 1097
1098/* for operation_mode */
1099#define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1100#define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1101#define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1102#define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1103#define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1104#define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1105#define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1106
1107/* for stbc_param */
1108#define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1109#define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1110#define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1111#define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1112#define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1113#define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1114
a9de8ce0 1115
44d414db
JB		 1116/* block-ack parameters */
1117#define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1118#define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
8d661f1e 1119#define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
44d414db
JB		 1120#define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1121#define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1122
1123/*
1124 * A-PMDU buffer sizes
1125 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1126 */
1127#define IEEE80211_MIN_AMPDU_BUF 0x8
1128#define IEEE80211_MAX_AMPDU_BUF 0x40
1129
1130
0f78231b 1131/* Spatial Multiplexing Power Save Modes (for capability) */
00c5ae2f
TW		 1132#define WLAN_HT_CAP_SM_PS_STATIC 0
1133#define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1134#define WLAN_HT_CAP_SM_PS_INVALID 2
1135#define WLAN_HT_CAP_SM_PS_DISABLED 3
e53cfe0e 1136
0f78231b
JB		 1137/* for SM power control field lower two bits */
1138#define WLAN_HT_SMPS_CONTROL_DISABLED 0
1139#define WLAN_HT_SMPS_CONTROL_STATIC 1
1140#define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1141
ce0e1695
MP		 1142/**
1143 * struct ieee80211_vht_mcs_info - VHT MCS information
1144 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1145 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1146 * STA can receive. Rate expressed in units of 1 Mbps.
1147 * If this field is 0 this value should not be used to
1148 * consider the highest RX data rate supported.
1149 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1150 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1151 * STA can transmit. Rate expressed in units of 1 Mbps.
1152 * If this field is 0 this value should not be used to
1153 * consider the highest TX data rate supported.
1154 */
1155struct ieee80211_vht_mcs_info {
1156 __le16 rx_mcs_map;
1157 __le16 rx_highest;
1158 __le16 tx_mcs_map;
1159 __le16 tx_highest;
1160} __packed;
1161
d4950281
MP		 1162/**
1163 * struct ieee80211_vht_cap - VHT capabilities
1164 *
1165 * This structure is the "VHT capabilities element" as
1166 * described in 802.11ac D3.0 8.4.2.160
1167 * @vht_cap_info: VHT capability info
1168 * @supp_mcs: VHT MCS supported rates
1169 */
1170struct ieee80211_vht_cap {
1171 __le32 vht_cap_info;
1172 struct ieee80211_vht_mcs_info supp_mcs;
1173} __packed;
1174
1175/**
1176 * struct ieee80211_vht_operation - VHT operation IE
1177 *
1178 * This structure is the "VHT operation element" as
1179 * described in 802.11ac D3.0 8.4.2.161
1180 * @chan_width: Operating channel width
1181 * @center_freq_seg1_idx: center freq segment 1 index
1182 * @center_freq_seg2_idx: center freq segment 2 index
1183 * @basic_mcs_set: VHT Basic MCS rate set
1184 */
1185struct ieee80211_vht_operation {
1186 u8 chan_width;
1187 u8 center_freq_seg1_idx;
1188 u8 center_freq_seg2_idx;
1189 __le16 basic_mcs_set;
1190} __packed;
1191
1192
ce0e1695
MP		 1193#define IEEE80211_VHT_MCS_ZERO_TO_SEVEN_SUPPORT 0
1194#define IEEE80211_VHT_MCS_ZERO_TO_EIGHT_SUPPORT 1
1195#define IEEE80211_VHT_MCS_ZERO_TO_NINE_SUPPORT 2
1196#define IEEE80211_VHT_MCS_NOT_SUPPORTED 3
1197
1198/* 802.11ac VHT Capabilities */
1199#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1200#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1201#define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1202#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1203#define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1204#define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1205#define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1206#define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1207#define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1208#define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1209#define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1210#define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1211#define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1212#define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1213#define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1214#define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1215#define IEEE80211_VHT_CAP_SOUNDING_DIMENTION_MAX 0x00030000
1216#define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1217#define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1218#define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1219#define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1220#define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT 0x00800000
1221#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1222#define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1223#define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1224#define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1225
a9de8ce0
JB		 1226/* Authentication algorithms */
1227#define WLAN_AUTH_OPEN 0
1228#define WLAN_AUTH_SHARED_KEY 1
636a5d36 1229#define WLAN_AUTH_FT 2
cfdfa4d3 1230#define WLAN_AUTH_SAE 3
bb608e9d 1231#define WLAN_AUTH_LEAP 128
a9de8ce0
JB		 1232
1233#define WLAN_AUTH_CHALLENGE_LEN 128
1234
1235#define WLAN_CAPABILITY_ESS (1<<0)
1236#define WLAN_CAPABILITY_IBSS (1<<1)
0a35d36d 1237
333ba732
EP		 1238/*
1239 * A mesh STA sets the ESS and IBSS capability bits to zero.
1240 * however, this holds true for p2p probe responses (in the p2p_find
1241 * phase) as well.
1242 */
1243#define WLAN_CAPABILITY_IS_STA_BSS(cap) \
0a35d36d
JC		 1244 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1245
a9de8ce0
JB		 1246#define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1247#define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1248#define WLAN_CAPABILITY_PRIVACY (1<<4)
1249#define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1250#define WLAN_CAPABILITY_PBCC (1<<6)
1251#define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
b6623486 1252
a9de8ce0
JB		 1253/* 802.11h */
1254#define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1255#define WLAN_CAPABILITY_QOS (1<<9)
1256#define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1257#define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
b188148c
VK		 1258
1259/* DMG (60gHz) 802.11ad */
1260/* type - bits 0..1 */
1261#define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1262#define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1263#define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1264
1265#define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1266#define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1267#define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1268#define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1269
1270#define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1271#define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1272
b6623486
AK		 1273/* measurement */
1274#define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1275#define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1276#define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1277
1278#define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1279#define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1280#define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1281
5628221c
DD		 1282/* 802.11g ERP information element */
1283#define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1284#define WLAN_ERP_USE_PROTECTION (1<<1)
1285#define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1286
1287/* WLAN_ERP_BARKER_PREAMBLE values */
1288enum {
1289 WLAN_ERP_PREAMBLE_SHORT = 0,
1290 WLAN_ERP_PREAMBLE_LONG = 1,
1291};
1292
b188148c
VK		 1293/* Band ID, 802.11ad #8.4.1.45 */
1294enum {
1295 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1296 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1297 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1298 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1299 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1300 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1301};
1302
a9de8ce0
JB		 1303/* Status codes */
1304enum ieee80211_statuscode {
1305 WLAN_STATUS_SUCCESS = 0,
1306 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1307 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1308 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1309 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1310 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1311 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1312 WLAN_STATUS_CHALLENGE_FAIL = 15,
1313 WLAN_STATUS_AUTH_TIMEOUT = 16,
1314 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1315 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1316 /* 802.11b */
1317 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1318 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1319 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1320 /* 802.11h */
1321 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1322 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1323 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1324 /* 802.11g */
1325 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1326 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
63a5ab82
JM		 1327 /* 802.11w */
1328 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1329 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
a9de8ce0
JB		 1330 /* 802.11i */
1331 WLAN_STATUS_INVALID_IE = 40,
1332 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1333 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1334 WLAN_STATUS_INVALID_AKMP = 43,
1335 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1336 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1337 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
6b4e3241
RR		 1338 /* 802.11e */
1339 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1340 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1341 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1342 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1343 WLAN_STATUS_REQUEST_DECLINED = 37,
1344 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1345 WLAN_STATUS_CHANGE_TSPEC = 39,
1346 WLAN_STATUS_WAIT_TS_DELAY = 47,
1347 WLAN_STATUS_NO_DIRECT_LINK = 48,
1348 WLAN_STATUS_STA_NOT_PRESENT = 49,
1349 WLAN_STATUS_STA_NOT_QSTA = 50,
cfdfa4d3
S		 1350 /* 802.11s */
1351 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1352 WLAN_STATUS_FCG_NOT_SUPP = 78,
1353 WLAN_STATUS_STA_NO_TBTT = 78,
b188148c
VK		 1354 /* 802.11ad */
1355 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1356 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1357 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1358 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1359 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1360 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1361 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1362 WLAN_STATUS_REJECT_DSE_BAND = 96,
1363 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1364 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
a9de8ce0
JB		 1365};
1366
1367
1368/* Reason codes */
1369enum ieee80211_reasoncode {
1370 WLAN_REASON_UNSPECIFIED = 1,
1371 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1372 WLAN_REASON_DEAUTH_LEAVING = 3,
1373 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1374 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1375 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1376 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1377 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1378 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1379 /* 802.11h */
1380 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1381 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1382 /* 802.11i */
1383 WLAN_REASON_INVALID_IE = 13,
1384 WLAN_REASON_MIC_FAILURE = 14,
1385 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1386 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1387 WLAN_REASON_IE_DIFFERENT = 17,
1388 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1389 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1390 WLAN_REASON_INVALID_AKMP = 20,
1391 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1392 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1393 WLAN_REASON_IEEE8021X_FAILED = 23,
1394 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
6b4e3241
RR		 1395 /* 802.11e */
1396 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1397 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1398 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1399 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1400 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1401 WLAN_REASON_QSTA_NOT_USE = 37,
1402 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1403 WLAN_REASON_QSTA_TIMEOUT = 39,
1404 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
cfdfa4d3
S		 1405 /* 802.11s */
1406 WLAN_REASON_MESH_PEER_CANCELED = 52,
1407 WLAN_REASON_MESH_MAX_PEERS = 53,
1408 WLAN_REASON_MESH_CONFIG = 54,
1409 WLAN_REASON_MESH_CLOSE = 55,
1410 WLAN_REASON_MESH_MAX_RETRIES = 56,
1411 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1412 WLAN_REASON_MESH_INVALID_GTK = 58,
1413 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1414 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1415 WLAN_REASON_MESH_PATH_ERROR = 61,
1416 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1417 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1418 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1419 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1420 WLAN_REASON_MESH_CHAN = 66,
a9de8ce0
JB		 1421};
1422
1423
1424/* Information Element IDs */
1425enum ieee80211_eid {
1426 WLAN_EID_SSID = 0,
1427 WLAN_EID_SUPP_RATES = 1,
1428 WLAN_EID_FH_PARAMS = 2,
1429 WLAN_EID_DS_PARAMS = 3,
1430 WLAN_EID_CF_PARAMS = 4,
1431 WLAN_EID_TIM = 5,
1432 WLAN_EID_IBSS_PARAMS = 6,
1433 WLAN_EID_CHALLENGE = 16,
8e664fb3 1434
a9de8ce0
JB		 1435 WLAN_EID_COUNTRY = 7,
1436 WLAN_EID_HP_PARAMS = 8,
1437 WLAN_EID_HP_TABLE = 9,
1438 WLAN_EID_REQUEST = 10,
8e664fb3 1439
6b4e3241
RR		 1440 WLAN_EID_QBSS_LOAD = 11,
1441 WLAN_EID_EDCA_PARAM_SET = 12,
1442 WLAN_EID_TSPEC = 13,
1443 WLAN_EID_TCLAS = 14,
1444 WLAN_EID_SCHEDULE = 15,
1445 WLAN_EID_TS_DELAY = 43,
1446 WLAN_EID_TCLAS_PROCESSING = 44,
1447 WLAN_EID_QOS_CAPA = 46,
dfe018bf
AN		 1448 /* 802.11z */
1449 WLAN_EID_LINK_ID = 101,
cfdfa4d3
S		 1450 /* 802.11s */
1451 WLAN_EID_MESH_CONFIG = 113,
1452 WLAN_EID_MESH_ID = 114,
1453 WLAN_EID_LINK_METRIC_REPORT = 115,
1454 WLAN_EID_CONGESTION_NOTIFICATION = 116,
cfdfa4d3
S		 1455 WLAN_EID_PEER_MGMT = 117,
1456 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1457 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1458 WLAN_EID_BEACON_TIMING = 120,
1459 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1460 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1461 WLAN_EID_MCCAOP_ADVERT = 123,
1462 WLAN_EID_MCCAOP_TEARDOWN = 124,
1463 WLAN_EID_GANN = 125,
1464 WLAN_EID_RANN = 126,
1465 WLAN_EID_PREQ = 130,
1466 WLAN_EID_PREP = 131,
1467 WLAN_EID_PERR = 132,
1468 WLAN_EID_PXU = 137,
1469 WLAN_EID_PXUC = 138,
1470 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1471 WLAN_EID_MIC = 140,
8e664fb3 1472
a9de8ce0
JB		 1473 WLAN_EID_PWR_CONSTRAINT = 32,
1474 WLAN_EID_PWR_CAPABILITY = 33,
1475 WLAN_EID_TPC_REQUEST = 34,
1476 WLAN_EID_TPC_REPORT = 35,
1477 WLAN_EID_SUPPORTED_CHANNELS = 36,
1478 WLAN_EID_CHANNEL_SWITCH = 37,
1479 WLAN_EID_MEASURE_REQUEST = 38,
1480 WLAN_EID_MEASURE_REPORT = 39,
1481 WLAN_EID_QUIET = 40,
1482 WLAN_EID_IBSS_DFS = 41,
8e664fb3 1483
a9de8ce0
JB		 1484 WLAN_EID_ERP_INFO = 42,
1485 WLAN_EID_EXT_SUPP_RATES = 50,
8e664fb3 1486
6b4e3241 1487 WLAN_EID_HT_CAPABILITY = 45,
074d46d1 1488 WLAN_EID_HT_OPERATION = 61,
8e664fb3 1489
a9de8ce0 1490 WLAN_EID_RSN = 48,
8e664fb3 1491 WLAN_EID_MMIE = 76,
a9de8ce0 1492 WLAN_EID_VENDOR_SPECIFIC = 221,
8e664fb3
JB		 1493 WLAN_EID_QOS_PARAMETER = 222,
1494
1495 WLAN_EID_AP_CHAN_REPORT = 51,
1496 WLAN_EID_NEIGHBOR_REPORT = 52,
1497 WLAN_EID_RCPI = 53,
1498 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1499 WLAN_EID_ANTENNA_INFO = 64,
1500 WLAN_EID_RSNI = 65,
1501 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1502 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1503 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1504 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1505 WLAN_EID_MULTIPLE_BSSID = 71,
b7e8941b
AK		 1506 WLAN_EID_BSS_COEX_2040 = 72,
1507 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1508 WLAN_EID_EXT_CAPABILITY = 127,
8e664fb3
JB		 1509
1510 WLAN_EID_MOBILITY_DOMAIN = 54,
1511 WLAN_EID_FAST_BSS_TRANSITION = 55,
1512 WLAN_EID_TIMEOUT_INTERVAL = 56,
1513 WLAN_EID_RIC_DATA = 57,
1514 WLAN_EID_RIC_DESCRIPTOR = 75,
1515
1516 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1517 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1518 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
ce0e1695
MP		 1519
1520 WLAN_EID_VHT_CAPABILITY = 191,
1521 WLAN_EID_VHT_OPERATION = 192,
b188148c
VK		 1522
1523 /* 802.11ad */
1524 WLAN_EID_NON_TX_BSSID_CAP = 83,
1525 WLAN_EID_WAKEUP_SCHEDULE = 143,
1526 WLAN_EID_EXT_SCHEDULE = 144,
1527 WLAN_EID_STA_AVAILABILITY = 145,
1528 WLAN_EID_DMG_TSPEC = 146,
1529 WLAN_EID_DMG_AT = 147,
1530 WLAN_EID_DMG_CAP = 148,
1531 WLAN_EID_DMG_OPERATION = 151,
1532 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1533 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1534 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1535 WLAN_EID_AWAKE_WINDOW = 157,
1536 WLAN_EID_MULTI_BAND = 158,
1537 WLAN_EID_ADDBA_EXT = 159,
1538 WLAN_EID_NEXT_PCP_LIST = 160,
1539 WLAN_EID_PCP_HANDOVER = 161,
1540 WLAN_EID_DMG_LINK_MARGIN = 162,
1541 WLAN_EID_SWITCHING_STREAM = 163,
1542 WLAN_EID_SESSION_TRANSITION = 164,
1543 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1544 WLAN_EID_CLUSTER_REPORT = 166,
1545 WLAN_EID_RELAY_CAP = 167,
1546 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1547 WLAN_EID_BEAM_LINK_MAINT = 169,
1548 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1549 WLAN_EID_U_PID = 171,
1550 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1551 WLAN_EID_QUIET_PERIOD_REQ = 175,
1552 WLAN_EID_QUIET_PERIOD_RESP = 177,
1553 WLAN_EID_EPAC_POLICY = 182,
1554 WLAN_EID_CLISTER_TIME_OFF = 183,
1555 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
a9de8ce0
JB		 1556};
1557
6b4e3241
RR		 1558/* Action category code */
1559enum ieee80211_category {
1560 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1561 WLAN_CATEGORY_QOS = 1,
1562 WLAN_CATEGORY_DLS = 2,
1563 WLAN_CATEGORY_BACK = 3,
fb733336 1564 WLAN_CATEGORY_PUBLIC = 4,
528769cf 1565 WLAN_CATEGORY_HT = 7,
fea14732 1566 WLAN_CATEGORY_SA_QUERY = 8,
528769cf 1567 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
dfe018bf 1568 WLAN_CATEGORY_TDLS = 12,
cfdfa4d3
S		 1569 WLAN_CATEGORY_MESH_ACTION = 13,
1570 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1571 WLAN_CATEGORY_SELF_PROTECTED = 15,
b188148c 1572 WLAN_CATEGORY_DMG = 16,
6b4e3241 1573 WLAN_CATEGORY_WMM = 17,
b188148c
VK		 1574 WLAN_CATEGORY_FST = 18,
1575 WLAN_CATEGORY_UNPROT_DMG = 20,
528769cf
JM		 1576 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1577 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
6b4e3241
RR		 1578};
1579
f2df3859
AK		 1580/* SPECTRUM_MGMT action code */
1581enum ieee80211_spectrum_mgmt_actioncode {
1582 WLAN_ACTION_SPCT_MSR_REQ = 0,
1583 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1584 WLAN_ACTION_SPCT_TPC_REQ = 2,
1585 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1586 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1587};
1588
0f78231b
JB		 1589/* HT action codes */
1590enum ieee80211_ht_actioncode {
1591 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1592 WLAN_HT_ACTION_SMPS = 1,
1593 WLAN_HT_ACTION_PSMP = 2,
1594 WLAN_HT_ACTION_PCO_PHASE = 3,
1595 WLAN_HT_ACTION_CSI = 4,
1596 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1597 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1598 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1599};
1600
6709a6d9
TP		 1601/* Self Protected Action codes */
1602enum ieee80211_self_protected_actioncode {
1603 WLAN_SP_RESERVED = 0,
1604 WLAN_SP_MESH_PEERING_OPEN = 1,
1605 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1606 WLAN_SP_MESH_PEERING_CLOSE = 3,
1607 WLAN_SP_MGK_INFORM = 4,
1608 WLAN_SP_MGK_ACK = 5,
1609};
1610
36c704fd
TP		 1611/* Mesh action codes */
1612enum ieee80211_mesh_actioncode {
1613 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1614 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1615 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1616 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1617 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1618 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1619 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1620 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1621 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1622 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1623 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1624};
1625
e31a16d6
ZY		 1626/* Security key length */
1627enum ieee80211_key_len {
1628 WLAN_KEY_LEN_WEP40 = 5,
1629 WLAN_KEY_LEN_WEP104 = 13,
1630 WLAN_KEY_LEN_CCMP = 16,
1631 WLAN_KEY_LEN_TKIP = 32,
8fc0fee0 1632 WLAN_KEY_LEN_AES_CMAC = 16,
e31a16d6
ZY		 1633};
1634
dfe018bf
AN		 1635/* Public action codes */
1636enum ieee80211_pub_actioncode {
1637 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1638};
1639
1640/* TDLS action codes */
1641enum ieee80211_tdls_actioncode {
1642 WLAN_TDLS_SETUP_REQUEST = 0,
1643 WLAN_TDLS_SETUP_RESPONSE = 1,
1644 WLAN_TDLS_SETUP_CONFIRM = 2,
1645 WLAN_TDLS_TEARDOWN = 3,
1646 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1647 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1648 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1649 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1650 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1651 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1652 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1653};
1654
1655/*
1656 * TDLS capabililites to be enabled in the 5th byte of the
1657 * @WLAN_EID_EXT_CAPABILITY information element
1658 */
1659#define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1660#define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1661
1662/* TDLS specific payload type in the LLC/SNAP header */
1663#define WLAN_TDLS_SNAP_RFTYPE 0x2
1664
dbf498fb
JC		 1665/**
1666 * enum - mesh synchronization method identifier
1667 *
1668 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1669 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
a4f606ea 1670 * that will be specified in a vendor specific information element
dbf498fb
JC		 1671 */
1672enum {
1673 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1674 IEEE80211_SYNC_METHOD_VENDOR = 255,
1675};
1676
c80d545d
JC		 1677/**
1678 * enum - mesh path selection protocol identifier
1679 *
1680 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1681 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
a4f606ea 1682 * be specified in a vendor specific information element
c80d545d
JC		 1683 */
1684enum {
dcca1cfc 1685 IEEE80211_PATH_PROTOCOL_HWMP = 1,
c80d545d
JC		 1686 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1687};
1688
1689/**
1690 * enum - mesh path selection metric identifier
1691 *
1692 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1693 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
a4f606ea 1694 * specified in a vendor specific information element
c80d545d
JC		 1695 */
1696enum {
dcca1cfc 1697 IEEE80211_PATH_METRIC_AIRTIME = 1,
c80d545d
JC		 1698 IEEE80211_PATH_METRIC_VENDOR = 255,
1699};
1700
a69cc44f
CYY		 1701/**
1702 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1703 *
1704 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1705 *
1706 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1707 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1708 * this value
1709 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1710 * the proactive PREQ with proactive PREP subfield set to 0
1711 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1712 * supports the proactive PREQ with proactive PREP subfield set to 1
1713 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1714 * the proactive RANN
1715 */
1716enum ieee80211_root_mode_identifier {
1717 IEEE80211_ROOTMODE_NO_ROOT = 0,
1718 IEEE80211_ROOTMODE_ROOT = 1,
1719 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1720 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1721 IEEE80211_PROACTIVE_RANN = 4,
1722};
c80d545d 1723
3f2355cb
LR		 1724/*
1725 * IEEE 802.11-2007 7.3.2.9 Country information element
1726 *
1727 * Minimum length is 8 octets, ie len must be evenly
1728 * divisible by 2
1729 */
1730
1731/* Although the spec says 8 I'm seeing 6 in practice */
1732#define IEEE80211_COUNTRY_IE_MIN_LEN 6
1733
80751e2b
BZ		 1734/* The Country String field of the element shall be 3 octets in length */
1735#define IEEE80211_COUNTRY_STRING_LEN 3
1736
3f2355cb
LR		 1737/*
1738 * For regulatory extension stuff see IEEE 802.11-2007
1739 * Annex I (page 1141) and Annex J (page 1147). Also
1740 * review 7.3.2.9.
1741 *
1742 * When dot11RegulatoryClassesRequired is true and the
1743 * first_channel/reg_extension_id is >= 201 then the IE
1744 * compromises of the 'ext' struct represented below:
1745 *
1746 * - Regulatory extension ID - when generating IE this just needs
1747 * to be monotonically increasing for each triplet passed in
1748 * the IE
1749 * - Regulatory class - index into set of rules
1750 * - Coverage class - index into air propagation time (Table 7-27),
1751 * in microseconds, you can compute the air propagation time from
1752 * the index by multiplying by 3, so index 10 yields a propagation
1753 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1754 * yet. A value of 0 inicates air propagation of <= 1 us.
1755 *
1756 * See also Table I.2 for Emission limit sets and table
1757 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1758 * a reg_class to an emission limit set and behavior limit set.
1759 */
1760#define IEEE80211_COUNTRY_EXTENSION_ID 201
1761
1762/*
1763 * Channels numbers in the IE must be monotonically increasing
1764 * if dot11RegulatoryClassesRequired is not true.
1765 *
1766 * If dot11RegulatoryClassesRequired is true consecutive
1767 * subband triplets following a regulatory triplet shall
1768 * have monotonically increasing first_channel number fields.
1769 *
1770 * Channel numbers shall not overlap.
1771 *
1772 * Note that max_power is signed.
1773 */
1774struct ieee80211_country_ie_triplet {
1775 union {
1776 struct {
1777 u8 first_channel;
1778 u8 num_channels;
1779 s8 max_power;
1780 } __attribute__ ((packed)) chans;
1781 struct {
1782 u8 reg_extension_id;
1783 u8 reg_class;
1784 u8 coverage_class;
1785 } __attribute__ ((packed)) ext;
1786 };
1787} __attribute__ ((packed));
1788
f797eb7e
JM		 1789enum ieee80211_timeout_interval_type {
1790 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1791 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1792 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1793};
1794
6b4e3241
RR		 1795/* BACK action code */
1796enum ieee80211_back_actioncode {
1797 WLAN_ACTION_ADDBA_REQ = 0,
1798 WLAN_ACTION_ADDBA_RESP = 1,
1799 WLAN_ACTION_DELBA = 2,
1800};
1801
07db2183
RR		 1802/* BACK (block-ack) parties */
1803enum ieee80211_back_parties {
1804 WLAN_BACK_RECIPIENT = 0,
1805 WLAN_BACK_INITIATOR = 1,
07db2183
RR		 1806};
1807
fea14732
JM		 1808/* SA Query action */
1809enum ieee80211_sa_query_action {
1810 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1811 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1812};
1813
1814
a9de8ce0
JB		 1815/* cipher suite selectors */
1816#define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1817#define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1818#define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1819/* reserved: 0x000FAC03 */
1820#define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1821#define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
3cfcf6ac 1822#define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
b188148c 1823#define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
a9de8ce0 1824
c2e889a7
JM		 1825#define WLAN_CIPHER_SUITE_SMS4 0x00147201
1826
6a669e65
JB		 1827/* AKM suite selectors */
1828#define WLAN_AKM_SUITE_8021X 0x000FAC01
1829#define WLAN_AKM_SUITE_PSK 0x000FAC02
cfdfa4d3
S		 1830#define WLAN_AKM_SUITE_SAE 0x000FAC08
1831#define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
6a669e65 1832
a9de8ce0
JB		 1833#define WLAN_MAX_KEY_LEN 32
1834
67fbb16b
SO		 1835#define WLAN_PMKID_LEN 16
1836
0c28ec58
EP		 1837#define WLAN_OUI_WFA 0x506f9a
1838#define WLAN_OUI_TYPE_WFA_P2P 9
535588e6
AP		 1839#define WLAN_OUI_MICROSOFT 0x0050f2
1840#define WLAN_OUI_TYPE_MICROSOFT_WPA 1
c2ebea20
AP		 1841#define WLAN_OUI_TYPE_MICROSOFT_WMM 2
1842#define WLAN_OUI_TYPE_MICROSOFT_WPS 4
0c28ec58 1843
856799d5
KV		 1844/*
1845 * WMM/802.11e Tspec Element
1846 */
1847#define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
1848#define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
1849
1850enum ieee80211_tspec_status_code {
1851 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
1852 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
1853};
1854
1855struct ieee80211_tspec_ie {
1856 u8 element_id;
1857 u8 len;
1858 u8 oui[3];
1859 u8 oui_type;
1860 u8 oui_subtype;
1861 u8 version;
1862 __le16 tsinfo;
1863 u8 tsinfo_resvd;
1864 __le16 nominal_msdu;
1865 __le16 max_msdu;
1866 __le32 min_service_int;
1867 __le32 max_service_int;
1868 __le32 inactivity_int;
1869 __le32 suspension_int;
1870 __le32 service_start_time;
1871 __le32 min_data_rate;
1872 __le32 mean_data_rate;
1873 __le32 peak_data_rate;
1874 __le32 max_burst_size;
1875 __le32 delay_bound;
1876 __le32 min_phy_rate;
1877 __le16 sba;
1878 __le16 medium_time;
1879} __packed;
1880
fd7c8a40
HH		 1881/**
1882 * ieee80211_get_qos_ctl - get pointer to qos control bytes
1883 * @hdr: the frame
1884 *
1885 * The qos ctrl bytes come after the frame_control, duration, seq_num
1886 * and 3 or 4 addresses of length ETH_ALEN.
1887 * 3 addr: 2 + 2 + 2 + 3*6 = 24
1888 * 4 addr: 2 + 2 + 2 + 4*6 = 30
1889 */
1890static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
1891{
1892 if (ieee80211_has_a4(hdr->frame_control))
1893 return (u8 *)hdr + 30;
1894 else
1895 return (u8 *)hdr + 24;
1896}
1897
f97df02e
JB		 1898/**
1899 * ieee80211_get_SA - get pointer to SA
fd7c8a40 1900 * @hdr: the frame
f97df02e
JB		 1901 *
1902 * Given an 802.11 frame, this function returns the offset
1903 * to the source address (SA). It does not verify that the
1904 * header is long enough to contain the address, and the
1905 * header must be long enough to contain the frame control
1906 * field.
f97df02e
JB		 1907 */
1908static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
1909{
fd7c8a40 1910 if (ieee80211_has_a4(hdr->frame_control))
5a433b3a 1911 return hdr->addr4;
fd7c8a40
HH		 1912 if (ieee80211_has_fromds(hdr->frame_control))
1913 return hdr->addr3;
1914 return hdr->addr2;
f97df02e
JB		 1915}
1916
1917/**
1918 * ieee80211_get_DA - get pointer to DA
fd7c8a40 1919 * @hdr: the frame
f97df02e
JB		 1920 *
1921 * Given an 802.11 frame, this function returns the offset
1922 * to the destination address (DA). It does not verify that
1923 * the header is long enough to contain the address, and the
1924 * header must be long enough to contain the frame control
1925 * field.
f97df02e
JB		 1926 */
1927static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
1928{
fd7c8a40 1929 if (ieee80211_has_tods(hdr->frame_control))
f97df02e 1930 return hdr->addr3;
5a433b3a
HH		 1931 else
1932 return hdr->addr1;
f97df02e
JB		 1933}
1934
fb733336
JM		 1935/**
1936 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
1937 * @hdr: the frame (buffer must include at least the first octet of payload)
1938 */
1939static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
1940{
1941 if (ieee80211_is_disassoc(hdr->frame_control) ||
1942 ieee80211_is_deauth(hdr->frame_control))
1943 return true;
1944
1945 if (ieee80211_is_action(hdr->frame_control)) {
1946 u8 *category;
1947
1948 /*
1949 * Action frames, excluding Public Action frames, are Robust
1950 * Management Frames. However, if we are looking at a Protected
1951 * frame, skip the check since the data may be encrypted and
1952 * the frame has already been found to be a Robust Management
1953 * Frame (by the other end).
1954 */
1955 if (ieee80211_has_protected(hdr->frame_control))
1956 return true;
1957 category = ((u8 *) hdr) + 24;
528769cf
JM		 1958 return *category != WLAN_CATEGORY_PUBLIC &&
1959 *category != WLAN_CATEGORY_HT &&
8f9cb77d 1960 *category != WLAN_CATEGORY_SELF_PROTECTED &&
528769cf 1961 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
fb733336
JM		 1962 }
1963
1964 return false;
1965}
1966
3df6eaea
JB		 1967/**
1968 * ieee80211_is_public_action - check if frame is a public action frame
1969 * @hdr: the frame
1970 * @len: length of the frame
1971 */
1972static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
1973 size_t len)
1974{
1975 struct ieee80211_mgmt *mgmt = (void *)hdr;
1976
1977 if (len < IEEE80211_MIN_ACTION_SIZE)
1978 return false;
1979 if (!ieee80211_is_action(hdr->frame_control))
1980 return false;
1981 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
1982}
1983
9ee677c2
DK		 1984/**
1985 * ieee80211_dsss_chan_to_freq - get channel center frequency
1986 * @channel: the DSSS channel
1987 *
1988 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
1989 * Ref IEEE 802.11-2007 section 15.6
1990 */
1991static inline int ieee80211_dsss_chan_to_freq(int channel)
1992{
1993 if ((channel > 0) && (channel < 14))
1994 return 2407 + (channel * 5);
1995 else if (channel == 14)
1996 return 2484;
1997 else
1998 return -1;
1999}
2000
2001/**
2002 * ieee80211_freq_to_dsss_chan - get channel
2003 * @freq: the frequency
2004 *
2005 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2006 * Ref IEEE 802.11-2007 section 15.6
2007 *
2008 * This routine selects the channel with the closest center frequency.
2009 */
2010static inline int ieee80211_freq_to_dsss_chan(int freq)
2011{
2012 if ((freq >= 2410) && (freq < 2475))
2013 return (freq - 2405) / 5;
2014 else if ((freq >= 2482) && (freq < 2487))
2015 return 14;
2016 else
2017 return -1;
2018}
2019
10f644a4
JB		 2020/**
2021 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2022 * @tu: the TUs
2023 */
2024static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2025{
2026 return 1024 * tu;
2027}
2028
e7ec86f5
JB		 2029/**
2030 * ieee80211_check_tim - check if AID bit is set in TIM
2031 * @tim: the TIM IE
2032 * @tim_len: length of the TIM IE
2033 * @aid: the AID to look for
2034 */
2035static inline bool ieee80211_check_tim(struct ieee80211_tim_ie *tim,
2036 u8 tim_len, u16 aid)
2037{
2038 u8 mask;
2039 u8 index, indexn1, indexn2;
2040
2041 if (unlikely(!tim || tim_len < sizeof(*tim)))
2042 return false;
2043
2044 aid &= 0x3fff;
2045 index = aid / 8;
2046 mask = 1 << (aid & 7);
2047
2048 indexn1 = tim->bitmap_ctrl & 0xfe;
2049 indexn2 = tim_len + indexn1 - 4;
2050
2051 if (index < indexn1 || index > indexn2)
2052 return false;
2053
2054 index -= indexn1;
2055
2056 return !!(tim->virtual_map[index] & mask);
2057}
2058
9387b7ca 2059#endif /* LINUX_IEEE80211_H */
Linux kernel - Deliverables
This page took 0.698571 seconds and 5 git commands to generate.