4 * Copyright (c) 2001-2002, SSH Communications Security Corp and Jouni Malinen
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 * Copyright (c) 2013 - 2014 Intel Mobile Communications GmbH
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
16 #ifndef __LINUX_IEEE80211_H
17 #define __LINUX_IEEE80211_H
22 * TA = transmitter address
23 * RA = receiver address
24 * DA = destination address
27 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
28 * -----------------------------------------------------------------
29 * 0 0 DA SA BSSID - IBSS/DLS
30 * 0 1 DA BSSID SA - AP -> STA
31 * 1 0 BSSID SA DA - AP <- STA
32 * 1 1 RA TA DA SA unspecified (WDS)
37 #define IEEE80211_FCTL_VERS 0x0003
38 #define IEEE80211_FCTL_FTYPE 0x000c
39 #define IEEE80211_FCTL_STYPE 0x00f0
40 #define IEEE80211_FCTL_TODS 0x0100
41 #define IEEE80211_FCTL_FROMDS 0x0200
42 #define IEEE80211_FCTL_MOREFRAGS 0x0400
43 #define IEEE80211_FCTL_RETRY 0x0800
44 #define IEEE80211_FCTL_PM 0x1000
45 #define IEEE80211_FCTL_MOREDATA 0x2000
46 #define IEEE80211_FCTL_PROTECTED 0x4000
47 #define IEEE80211_FCTL_ORDER 0x8000
48 #define IEEE80211_FCTL_CTL_EXT 0x0f00
50 #define IEEE80211_SCTL_FRAG 0x000F
51 #define IEEE80211_SCTL_SEQ 0xFFF0
53 #define IEEE80211_FTYPE_MGMT 0x0000
54 #define IEEE80211_FTYPE_CTL 0x0004
55 #define IEEE80211_FTYPE_DATA 0x0008
56 #define IEEE80211_FTYPE_EXT 0x000c
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
73 #define IEEE80211_STYPE_CTL_EXT 0x0060
74 #define IEEE80211_STYPE_BACK_REQ 0x0080
75 #define IEEE80211_STYPE_BACK 0x0090
76 #define IEEE80211_STYPE_PSPOLL 0x00A0
77 #define IEEE80211_STYPE_RTS 0x00B0
78 #define IEEE80211_STYPE_CTS 0x00C0
79 #define IEEE80211_STYPE_ACK 0x00D0
80 #define IEEE80211_STYPE_CFEND 0x00E0
81 #define IEEE80211_STYPE_CFENDACK 0x00F0
84 #define IEEE80211_STYPE_DATA 0x0000
85 #define IEEE80211_STYPE_DATA_CFACK 0x0010
86 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
87 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
88 #define IEEE80211_STYPE_NULLFUNC 0x0040
89 #define IEEE80211_STYPE_CFACK 0x0050
90 #define IEEE80211_STYPE_CFPOLL 0x0060
91 #define IEEE80211_STYPE_CFACKPOLL 0x0070
92 #define IEEE80211_STYPE_QOS_DATA 0x0080
93 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
94 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
95 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
96 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
97 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
98 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
99 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
101 /* extension, added by 802.11ad */
102 #define IEEE80211_STYPE_DMG_BEACON 0x0000
104 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
105 #define IEEE80211_CTL_EXT_POLL 0x2000
106 #define IEEE80211_CTL_EXT_SPR 0x3000
107 #define IEEE80211_CTL_EXT_GRANT 0x4000
108 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
109 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
110 #define IEEE80211_CTL_EXT_SSW 0x8000
111 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
112 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
115 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
116 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
117 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
119 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
121 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
124 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
126 return (sn1 + sn2) & IEEE80211_SN_MASK;
129 static inline u16 ieee80211_sn_inc(u16 sn)
131 return ieee80211_sn_add(sn, 1);
134 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
136 return (sn1 - sn2) & IEEE80211_SN_MASK;
139 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
140 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
142 /* miscellaneous IEEE 802.11 constants */
143 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
144 #define IEEE80211_MAX_RTS_THRESHOLD 2353
145 #define IEEE80211_MAX_AID 2007
146 #define IEEE80211_MAX_TIM_LEN 251
147 #define IEEE80211_MAX_MESH_PEERINGS 63
148 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
151 802.11e clarifies the figure in section 7.1.2. The frame body is
152 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
153 #define IEEE80211_MAX_DATA_LEN 2304
154 /* 802.11ad extends maximum MSDU size for DMG (freq > 40Ghz) networks
155 * to 7920 bytes, see 8.2.3 General frame format
157 #define IEEE80211_MAX_DATA_LEN_DMG 7920
158 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
159 #define IEEE80211_MAX_FRAME_LEN 2352
161 #define IEEE80211_MAX_SSID_LEN 32
163 #define IEEE80211_MAX_MESH_ID_LEN 32
165 #define IEEE80211_NUM_TIDS 16
167 #define IEEE80211_QOS_CTL_LEN 2
169 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
171 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
173 #define IEEE80211_QOS_CTL_EOSP 0x0010
175 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
176 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
177 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
178 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
179 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
181 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
182 /* Mesh Control 802.11s */
183 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
185 /* U-APSD queue for WMM IEs sent by AP */
186 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
187 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
189 /* U-APSD queues for WMM IEs sent by STA */
190 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
191 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
192 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
193 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
194 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
196 /* U-APSD max SP length for WMM IEs sent by STA */
197 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
198 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
199 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
200 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
201 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
202 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
204 #define IEEE80211_HT_CTL_LEN 4
206 struct ieee80211_hdr {
207 __le16 frame_control;
214 } __packed __aligned(2);
216 struct ieee80211_hdr_3addr {
217 __le16 frame_control;
223 } __packed __aligned(2);
225 struct ieee80211_qos_hdr {
226 __le16 frame_control;
233 } __packed __aligned(2);
236 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
237 * @fc: frame control bytes in little-endian byteorder
239 static inline int ieee80211_has_tods(__le16 fc)
241 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
245 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
246 * @fc: frame control bytes in little-endian byteorder
248 static inline int ieee80211_has_fromds(__le16 fc)
250 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
254 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
255 * @fc: frame control bytes in little-endian byteorder
257 static inline int ieee80211_has_a4(__le16 fc)
259 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
260 return (fc & tmp) == tmp;
264 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
265 * @fc: frame control bytes in little-endian byteorder
267 static inline int ieee80211_has_morefrags(__le16 fc)
269 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
273 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
274 * @fc: frame control bytes in little-endian byteorder
276 static inline int ieee80211_has_retry(__le16 fc)
278 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
282 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
283 * @fc: frame control bytes in little-endian byteorder
285 static inline int ieee80211_has_pm(__le16 fc)
287 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
291 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
292 * @fc: frame control bytes in little-endian byteorder
294 static inline int ieee80211_has_moredata(__le16 fc)
296 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
300 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
301 * @fc: frame control bytes in little-endian byteorder
303 static inline int ieee80211_has_protected(__le16 fc)
305 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
309 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
310 * @fc: frame control bytes in little-endian byteorder
312 static inline int ieee80211_has_order(__le16 fc)
314 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
318 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
319 * @fc: frame control bytes in little-endian byteorder
321 static inline int ieee80211_is_mgmt(__le16 fc)
323 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
324 cpu_to_le16(IEEE80211_FTYPE_MGMT);
328 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
329 * @fc: frame control bytes in little-endian byteorder
331 static inline int ieee80211_is_ctl(__le16 fc)
333 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
334 cpu_to_le16(IEEE80211_FTYPE_CTL);
338 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
339 * @fc: frame control bytes in little-endian byteorder
341 static inline int ieee80211_is_data(__le16 fc)
343 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
344 cpu_to_le16(IEEE80211_FTYPE_DATA);
348 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
349 * @fc: frame control bytes in little-endian byteorder
351 static inline int ieee80211_is_data_qos(__le16 fc)
354 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
355 * to check the one bit
357 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
358 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
362 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
363 * @fc: frame control bytes in little-endian byteorder
365 static inline int ieee80211_is_data_present(__le16 fc)
368 * mask with 0x40 and test that that bit is clear to only return true
369 * for the data-containing substypes.
371 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
372 cpu_to_le16(IEEE80211_FTYPE_DATA);
376 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
377 * @fc: frame control bytes in little-endian byteorder
379 static inline int ieee80211_is_assoc_req(__le16 fc)
381 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
382 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
386 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
387 * @fc: frame control bytes in little-endian byteorder
389 static inline int ieee80211_is_assoc_resp(__le16 fc)
391 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
392 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
396 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
397 * @fc: frame control bytes in little-endian byteorder
399 static inline int ieee80211_is_reassoc_req(__le16 fc)
401 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
402 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
406 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
407 * @fc: frame control bytes in little-endian byteorder
409 static inline int ieee80211_is_reassoc_resp(__le16 fc)
411 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
412 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
416 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
417 * @fc: frame control bytes in little-endian byteorder
419 static inline int ieee80211_is_probe_req(__le16 fc)
421 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
422 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
426 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
427 * @fc: frame control bytes in little-endian byteorder
429 static inline int ieee80211_is_probe_resp(__le16 fc)
431 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
432 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
436 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
437 * @fc: frame control bytes in little-endian byteorder
439 static inline int ieee80211_is_beacon(__le16 fc)
441 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
442 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
446 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
447 * @fc: frame control bytes in little-endian byteorder
449 static inline int ieee80211_is_atim(__le16 fc)
451 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
452 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
456 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
457 * @fc: frame control bytes in little-endian byteorder
459 static inline int ieee80211_is_disassoc(__le16 fc)
461 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
462 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
466 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
467 * @fc: frame control bytes in little-endian byteorder
469 static inline int ieee80211_is_auth(__le16 fc)
471 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
472 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
476 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
477 * @fc: frame control bytes in little-endian byteorder
479 static inline int ieee80211_is_deauth(__le16 fc)
481 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
482 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
486 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
487 * @fc: frame control bytes in little-endian byteorder
489 static inline int ieee80211_is_action(__le16 fc)
491 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
492 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
496 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
497 * @fc: frame control bytes in little-endian byteorder
499 static inline int ieee80211_is_back_req(__le16 fc)
501 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
502 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
506 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
507 * @fc: frame control bytes in little-endian byteorder
509 static inline int ieee80211_is_back(__le16 fc)
511 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
512 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
516 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
517 * @fc: frame control bytes in little-endian byteorder
519 static inline int ieee80211_is_pspoll(__le16 fc)
521 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
522 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
526 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
527 * @fc: frame control bytes in little-endian byteorder
529 static inline int ieee80211_is_rts(__le16 fc)
531 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
532 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
536 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
537 * @fc: frame control bytes in little-endian byteorder
539 static inline int ieee80211_is_cts(__le16 fc)
541 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
542 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
546 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
547 * @fc: frame control bytes in little-endian byteorder
549 static inline int ieee80211_is_ack(__le16 fc)
551 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
552 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
556 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
557 * @fc: frame control bytes in little-endian byteorder
559 static inline int ieee80211_is_cfend(__le16 fc)
561 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
562 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
566 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
567 * @fc: frame control bytes in little-endian byteorder
569 static inline int ieee80211_is_cfendack(__le16 fc)
571 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
572 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
576 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
577 * @fc: frame control bytes in little-endian byteorder
579 static inline int ieee80211_is_nullfunc(__le16 fc)
581 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
582 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
586 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
587 * @fc: frame control bytes in little-endian byteorder
589 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
591 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
592 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
595 static inline unsigned int ieee80211_hdrlen(__le16 fc)
597 unsigned int hdrlen = 24;
599 if (ieee80211_has_a4(fc))
602 if (ieee80211_is_data_qos(fc)) {
603 hdrlen += IEEE80211_QOS_CTL_LEN;
604 if (ieee80211_has_order(fc))
605 hdrlen += IEEE80211_HT_CTL_LEN;
612 * ieee80211_is_bufferable_mmpdu - check if frame is bufferable MMPDU
613 * @fc: frame control field in little-endian byteorder
615 static inline bool ieee80211_is_bufferable_mmpdu(__le16 fc)
617 /* IEEE 802.11-2012, definition of "bufferable management frame";
618 * note that this ignores the IBSS special case. */
619 return ieee80211_is_mgmt(fc) &&
620 (ieee80211_is_action(fc) ||
621 ieee80211_is_disassoc(fc) ||
622 ieee80211_is_deauth(fc));
626 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
627 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
629 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
631 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
634 struct ieee80211s_hdr {
640 } __packed __aligned(2);
643 #define MESH_FLAGS_AE_A4 0x1
644 #define MESH_FLAGS_AE_A5_A6 0x2
645 #define MESH_FLAGS_AE 0x3
646 #define MESH_FLAGS_PS_DEEP 0x4
649 * enum ieee80211_preq_flags - mesh PREQ element flags
651 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
653 enum ieee80211_preq_flags {
654 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
658 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
660 * @IEEE80211_PREQ_TO_FLAG: target only subfield
661 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
663 enum ieee80211_preq_target_flags {
664 IEEE80211_PREQ_TO_FLAG = 1<<0,
665 IEEE80211_PREQ_USN_FLAG = 1<<2,
669 * struct ieee80211_quiet_ie
671 * This structure refers to "Quiet information element"
673 struct ieee80211_quiet_ie {
681 * struct ieee80211_msrment_ie
683 * This structure refers to "Measurement Request/Report information element"
685 struct ieee80211_msrment_ie {
693 * struct ieee80211_channel_sw_ie
695 * This structure refers to "Channel Switch Announcement information element"
697 struct ieee80211_channel_sw_ie {
704 * struct ieee80211_ext_chansw_ie
706 * This structure represents the "Extended Channel Switch Announcement element"
708 struct ieee80211_ext_chansw_ie {
710 u8 new_operating_class;
716 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
717 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
719 * This structure represents the "Secondary Channel Offset element"
721 struct ieee80211_sec_chan_offs_ie {
726 * struct ieee80211_mesh_chansw_params_ie - mesh channel switch parameters IE
728 * This structure represents the "Mesh Channel Switch Paramters element"
730 struct ieee80211_mesh_chansw_params_ie {
734 __le16 mesh_pre_value;
738 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
740 struct ieee80211_wide_bw_chansw_ie {
741 u8 new_channel_width;
742 u8 new_center_freq_seg0, new_center_freq_seg1;
746 * struct ieee80211_tim
748 * This structure refers to "Traffic Indication Map information element"
750 struct ieee80211_tim_ie {
754 /* variable size: 1 - 251 bytes */
759 * struct ieee80211_meshconf_ie
761 * This structure refers to "Mesh Configuration information element"
763 struct ieee80211_meshconf_ie {
774 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
776 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
777 * additional mesh peerings with other mesh STAs
778 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
779 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
782 enum mesh_config_capab_flags {
783 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
784 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
785 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
789 * mesh channel switch parameters element's flag indicator
792 #define WLAN_EID_CHAN_SWITCH_PARAM_TX_RESTRICT BIT(0)
793 #define WLAN_EID_CHAN_SWITCH_PARAM_INITIATOR BIT(1)
794 #define WLAN_EID_CHAN_SWITCH_PARAM_REASON BIT(2)
797 * struct ieee80211_rann_ie
799 * This structure refers to "Root Announcement information element"
801 struct ieee80211_rann_ie {
807 __le32 rann_interval;
811 enum ieee80211_rann_flags {
812 RANN_FLAG_IS_GATE = 1 << 0,
815 enum ieee80211_ht_chanwidth_values {
816 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
817 IEEE80211_HT_CHANWIDTH_ANY = 1,
821 * enum ieee80211_opmode_bits - VHT operating mode field bits
822 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
823 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
824 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
825 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
826 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
827 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
828 * (the NSS value is the value of this field + 1)
829 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
830 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
831 * using a beamforming steering matrix
833 enum ieee80211_vht_opmode_bits {
834 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
835 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
836 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
837 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
838 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
839 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
840 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
841 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
844 #define WLAN_SA_QUERY_TR_ID_LEN 2
847 * struct ieee80211_tpc_report_ie
849 * This structure refers to "TPC Report element"
851 struct ieee80211_tpc_report_ie {
856 struct ieee80211_mgmt {
857 __le16 frame_control;
866 __le16 auth_transaction;
868 /* possibly followed by Challenge text */
876 __le16 listen_interval;
877 /* followed by SSID and Supported rates */
879 } __packed assoc_req;
884 /* followed by Supported rates */
886 } __packed assoc_resp, reassoc_resp;
889 __le16 listen_interval;
891 /* followed by SSID and Supported rates */
893 } __packed reassoc_req;
901 /* followed by some of SSID, Supported rates,
902 * FH Params, DS Params, CF Params, IBSS Params, TIM */
906 /* only variable items: SSID, Supported rates */
908 } __packed probe_req;
913 /* followed by some of SSID, Supported rates,
914 * FH Params, DS Params, CF Params, IBSS Params */
916 } __packed probe_resp;
925 } __packed wme_action;
929 } __packed chan_switch;
932 struct ieee80211_ext_chansw_ie data;
934 } __packed ext_chan_switch;
940 struct ieee80211_msrment_ie msr_elem;
941 } __packed measurement;
947 __le16 start_seq_num;
948 } __packed addba_req;
955 } __packed addba_resp;
964 } __packed self_prot;
968 } __packed mesh_action;
971 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
980 } __packed ht_notify_cw;
986 } __packed tdls_discover_resp;
990 } __packed vht_opmode_notif;
996 struct ieee80211_tpc_report_ie tpc;
997 } __packed tpc_report;
1001 } __packed __aligned(2);
1003 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
1004 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
1006 /* mgmt header + 1 byte category code */
1007 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
1010 /* Management MIC information element (IEEE 802.11w) */
1011 struct ieee80211_mmie {
1015 u8 sequence_number[6];
1019 struct ieee80211_vendor_ie {
1026 struct ieee80211_wmm_ac_param {
1027 u8 aci_aifsn; /* AIFSN, ACM, ACI */
1028 u8 cw; /* ECWmin, ECWmax (CW = 2^ECW - 1) */
1032 struct ieee80211_wmm_param_ie {
1033 u8 element_id; /* Element ID: 221 (0xdd); */
1034 u8 len; /* Length: 24 */
1035 /* required fields for WMM version 1 */
1036 u8 oui[3]; /* 00:50:f2 */
1037 u8 oui_type; /* 2 */
1038 u8 oui_subtype; /* 1 */
1039 u8 version; /* 1 for WMM version 1.0 */
1040 u8 qos_info; /* AP/STA specific QoS info */
1041 u8 reserved; /* 0 */
1042 /* AC_BE, AC_BK, AC_VI, AC_VO */
1043 struct ieee80211_wmm_ac_param ac[4];
1046 /* Control frames */
1047 struct ieee80211_rts {
1048 __le16 frame_control;
1052 } __packed __aligned(2);
1054 struct ieee80211_cts {
1055 __le16 frame_control;
1058 } __packed __aligned(2);
1060 struct ieee80211_pspoll {
1061 __le16 frame_control;
1065 } __packed __aligned(2);
1069 /* Link-id information element */
1070 struct ieee80211_tdls_lnkie {
1071 u8 ie_type; /* Link Identifier IE */
1078 struct ieee80211_tdls_data {
1090 } __packed setup_req;
1096 } __packed setup_resp;
1101 } __packed setup_cfm;
1105 } __packed teardown;
1109 } __packed discover_req;
1114 * Peer-to-Peer IE attribute related definitions.
1117 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1119 enum ieee80211_p2p_attr_id {
1120 IEEE80211_P2P_ATTR_STATUS = 0,
1121 IEEE80211_P2P_ATTR_MINOR_REASON,
1122 IEEE80211_P2P_ATTR_CAPABILITY,
1123 IEEE80211_P2P_ATTR_DEVICE_ID,
1124 IEEE80211_P2P_ATTR_GO_INTENT,
1125 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1126 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1127 IEEE80211_P2P_ATTR_GROUP_BSSID,
1128 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1129 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1130 IEEE80211_P2P_ATTR_MANAGABILITY,
1131 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1132 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1133 IEEE80211_P2P_ATTR_DEVICE_INFO,
1134 IEEE80211_P2P_ATTR_GROUP_INFO,
1135 IEEE80211_P2P_ATTR_GROUP_ID,
1136 IEEE80211_P2P_ATTR_INTERFACE,
1137 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1138 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1139 /* 19 - 220: Reserved */
1140 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1142 IEEE80211_P2P_ATTR_MAX
1145 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1146 /* Typical max value used here */
1147 #define IEEE80211_P2P_NOA_DESC_MAX 4
1149 struct ieee80211_p2p_noa_desc {
1156 struct ieee80211_p2p_noa_attr {
1159 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1162 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1163 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1166 * struct ieee80211_bar - HT Block Ack Request
1168 * This structure refers to "HT BlockAckReq" as
1169 * described in 802.11n draft section 7.2.1.7.1
1171 struct ieee80211_bar {
1172 __le16 frame_control;
1177 __le16 start_seq_num;
1178 } __packed __aligned(4);
1180 /* 802.11 BA(R) control masks */
1181 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1182 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1183 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1184 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1185 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1188 * struct ieee80211_ba - HT Block Ack
1190 * This structure refers to "HT BlockAck" as
1191 * described in 802.11n draft section 7.2.1.8.1
1193 struct ieee80211_ba {
1194 __le16 frame_control;
1200 __le16 start_seq_num;
1204 #define IEEE80211_HT_MCS_MASK_LEN 10
1207 * struct ieee80211_mcs_info - MCS information
1209 * @rx_highest: highest supported RX rate. If set represents
1210 * the highest supported RX data rate in units of 1 Mbps.
1211 * If this field is 0 this value should not be used to
1212 * consider the highest RX data rate supported.
1213 * @tx_params: TX parameters
1215 struct ieee80211_mcs_info {
1216 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1222 /* 802.11n HT capability MSC set */
1223 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1224 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1225 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1226 /* value 0 == 1 stream etc */
1227 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1228 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1229 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1230 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1233 * 802.11n D5.0 20.3.5 / 20.6 says:
1234 * - indices 0 to 7 and 32 are single spatial stream
1235 * - 8 to 31 are multiple spatial streams using equal modulation
1236 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1237 * - remainder are multiple spatial streams using unequal modulation
1239 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1240 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1241 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1244 * struct ieee80211_ht_cap - HT capabilities
1246 * This structure is the "HT capabilities element" as
1247 * described in 802.11n D5.0 7.3.2.57
1249 struct ieee80211_ht_cap {
1251 u8 ampdu_params_info;
1253 /* 16 bytes MCS information */
1254 struct ieee80211_mcs_info mcs;
1256 __le16 extended_ht_cap_info;
1257 __le32 tx_BF_cap_info;
1258 u8 antenna_selection_info;
1261 /* 802.11n HT capabilities masks (for cap_info) */
1262 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1263 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1264 #define IEEE80211_HT_CAP_SM_PS 0x000C
1265 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1266 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1267 #define IEEE80211_HT_CAP_SGI_20 0x0020
1268 #define IEEE80211_HT_CAP_SGI_40 0x0040
1269 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1270 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1271 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1272 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1273 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1274 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1275 #define IEEE80211_HT_CAP_RESERVED 0x2000
1276 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1277 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1279 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1280 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1281 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1282 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1283 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1284 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1285 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1286 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1288 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1289 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1290 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1291 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1294 * Maximum length of AMPDU that the STA can receive.
1295 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1297 enum ieee80211_max_ampdu_length_exp {
1298 IEEE80211_HT_MAX_AMPDU_8K = 0,
1299 IEEE80211_HT_MAX_AMPDU_16K = 1,
1300 IEEE80211_HT_MAX_AMPDU_32K = 2,
1301 IEEE80211_HT_MAX_AMPDU_64K = 3
1304 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1306 /* Minimum MPDU start spacing */
1307 enum ieee80211_min_mpdu_spacing {
1308 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1309 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1310 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1311 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1312 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1313 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1314 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1315 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1319 * struct ieee80211_ht_operation - HT operation IE
1321 * This structure is the "HT operation element" as
1322 * described in 802.11n-2009 7.3.2.57
1324 struct ieee80211_ht_operation {
1327 __le16 operation_mode;
1333 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1334 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1335 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1336 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1337 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1338 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1340 /* for operation_mode */
1341 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1342 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1343 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1344 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1345 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1346 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1347 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1349 /* for stbc_param */
1350 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1351 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1352 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1353 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1354 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1355 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1358 /* block-ack parameters */
1359 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1360 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1361 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1362 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1363 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1366 * A-PMDU buffer sizes
1367 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1369 #define IEEE80211_MIN_AMPDU_BUF 0x8
1370 #define IEEE80211_MAX_AMPDU_BUF 0x40
1373 /* Spatial Multiplexing Power Save Modes (for capability) */
1374 #define WLAN_HT_CAP_SM_PS_STATIC 0
1375 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1376 #define WLAN_HT_CAP_SM_PS_INVALID 2
1377 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1379 /* for SM power control field lower two bits */
1380 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1381 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1382 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1385 * struct ieee80211_vht_mcs_info - VHT MCS information
1386 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1387 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1388 * STA can receive. Rate expressed in units of 1 Mbps.
1389 * If this field is 0 this value should not be used to
1390 * consider the highest RX data rate supported.
1391 * The top 3 bits of this field are reserved.
1392 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1393 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1394 * STA can transmit. Rate expressed in units of 1 Mbps.
1395 * If this field is 0 this value should not be used to
1396 * consider the highest TX data rate supported.
1397 * The top 3 bits of this field are reserved.
1399 struct ieee80211_vht_mcs_info {
1407 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1408 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1410 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1411 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1412 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1414 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1415 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1416 * both split into 8 subfields by number of streams. These values indicate
1417 * which MCSes are supported for the number of streams the value appears
1420 enum ieee80211_vht_mcs_support {
1421 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1422 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1423 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1424 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1428 * struct ieee80211_vht_cap - VHT capabilities
1430 * This structure is the "VHT capabilities element" as
1431 * described in 802.11ac D3.0 8.4.2.160
1432 * @vht_cap_info: VHT capability info
1433 * @supp_mcs: VHT MCS supported rates
1435 struct ieee80211_vht_cap {
1436 __le32 vht_cap_info;
1437 struct ieee80211_vht_mcs_info supp_mcs;
1441 * enum ieee80211_vht_chanwidth - VHT channel width
1442 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1443 * determine the channel width (20 or 40 MHz)
1444 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1445 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1446 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1448 enum ieee80211_vht_chanwidth {
1449 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1450 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1451 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1452 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1456 * struct ieee80211_vht_operation - VHT operation IE
1458 * This structure is the "VHT operation element" as
1459 * described in 802.11ac D3.0 8.4.2.161
1460 * @chan_width: Operating channel width
1461 * @center_freq_seg1_idx: center freq segment 1 index
1462 * @center_freq_seg2_idx: center freq segment 2 index
1463 * @basic_mcs_set: VHT Basic MCS rate set
1465 struct ieee80211_vht_operation {
1467 u8 center_freq_seg1_idx;
1468 u8 center_freq_seg2_idx;
1469 __le16 basic_mcs_set;
1473 /* 802.11ac VHT Capabilities */
1474 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1475 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1476 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1477 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1478 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1479 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1480 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1481 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1482 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1483 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1484 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1485 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1486 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1487 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1488 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1489 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1490 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT 13
1491 #define IEEE80211_VHT_CAP_BEAMFORMEE_STS_MASK \
1492 (7 << IEEE80211_VHT_CAP_BEAMFORMEE_STS_SHIFT)
1493 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT 16
1494 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MASK \
1495 (7 << IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_SHIFT)
1496 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1497 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1498 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1499 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1500 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1501 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1502 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1503 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1504 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1505 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1506 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1508 /* Authentication algorithms */
1509 #define WLAN_AUTH_OPEN 0
1510 #define WLAN_AUTH_SHARED_KEY 1
1511 #define WLAN_AUTH_FT 2
1512 #define WLAN_AUTH_SAE 3
1513 #define WLAN_AUTH_LEAP 128
1515 #define WLAN_AUTH_CHALLENGE_LEN 128
1517 #define WLAN_CAPABILITY_ESS (1<<0)
1518 #define WLAN_CAPABILITY_IBSS (1<<1)
1521 * A mesh STA sets the ESS and IBSS capability bits to zero.
1522 * however, this holds true for p2p probe responses (in the p2p_find
1525 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1526 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1528 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1529 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1530 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1531 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1532 #define WLAN_CAPABILITY_PBCC (1<<6)
1533 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1536 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1537 #define WLAN_CAPABILITY_QOS (1<<9)
1538 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1539 #define WLAN_CAPABILITY_APSD (1<<11)
1540 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1541 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1542 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1543 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1545 /* DMG (60gHz) 802.11ad */
1546 /* type - bits 0..1 */
1547 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1548 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1549 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1550 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1552 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1553 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1554 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1555 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1557 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1558 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1561 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1562 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1563 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1565 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1566 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1567 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1569 /* 802.11g ERP information element */
1570 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1571 #define WLAN_ERP_USE_PROTECTION (1<<1)
1572 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1574 /* WLAN_ERP_BARKER_PREAMBLE values */
1576 WLAN_ERP_PREAMBLE_SHORT = 0,
1577 WLAN_ERP_PREAMBLE_LONG = 1,
1580 /* Band ID, 802.11ad #8.4.1.45 */
1582 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1583 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1584 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1585 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1586 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1587 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1591 enum ieee80211_statuscode {
1592 WLAN_STATUS_SUCCESS = 0,
1593 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1594 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1595 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1596 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1597 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1598 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1599 WLAN_STATUS_CHALLENGE_FAIL = 15,
1600 WLAN_STATUS_AUTH_TIMEOUT = 16,
1601 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1602 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1604 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1605 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1606 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1608 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1609 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1610 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1612 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1613 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1615 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1616 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1618 WLAN_STATUS_INVALID_IE = 40,
1619 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1620 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1621 WLAN_STATUS_INVALID_AKMP = 43,
1622 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1623 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1624 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1626 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1627 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1628 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1629 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1630 WLAN_STATUS_REQUEST_DECLINED = 37,
1631 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1632 WLAN_STATUS_CHANGE_TSPEC = 39,
1633 WLAN_STATUS_WAIT_TS_DELAY = 47,
1634 WLAN_STATUS_NO_DIRECT_LINK = 48,
1635 WLAN_STATUS_STA_NOT_PRESENT = 49,
1636 WLAN_STATUS_STA_NOT_QSTA = 50,
1638 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1639 WLAN_STATUS_FCG_NOT_SUPP = 78,
1640 WLAN_STATUS_STA_NO_TBTT = 78,
1642 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1643 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1644 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1645 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1646 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1647 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1648 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1649 WLAN_STATUS_REJECT_DSE_BAND = 96,
1650 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1651 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1656 enum ieee80211_reasoncode {
1657 WLAN_REASON_UNSPECIFIED = 1,
1658 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1659 WLAN_REASON_DEAUTH_LEAVING = 3,
1660 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1661 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1662 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1663 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1664 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1665 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1667 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1668 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1670 WLAN_REASON_INVALID_IE = 13,
1671 WLAN_REASON_MIC_FAILURE = 14,
1672 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1673 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1674 WLAN_REASON_IE_DIFFERENT = 17,
1675 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1676 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1677 WLAN_REASON_INVALID_AKMP = 20,
1678 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1679 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1680 WLAN_REASON_IEEE8021X_FAILED = 23,
1681 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1682 /* TDLS (802.11z) */
1683 WLAN_REASON_TDLS_TEARDOWN_UNREACHABLE = 25,
1684 WLAN_REASON_TDLS_TEARDOWN_UNSPECIFIED = 26,
1686 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1687 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1688 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1689 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1690 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1691 WLAN_REASON_QSTA_NOT_USE = 37,
1692 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1693 WLAN_REASON_QSTA_TIMEOUT = 39,
1694 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1696 WLAN_REASON_MESH_PEER_CANCELED = 52,
1697 WLAN_REASON_MESH_MAX_PEERS = 53,
1698 WLAN_REASON_MESH_CONFIG = 54,
1699 WLAN_REASON_MESH_CLOSE = 55,
1700 WLAN_REASON_MESH_MAX_RETRIES = 56,
1701 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1702 WLAN_REASON_MESH_INVALID_GTK = 58,
1703 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1704 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1705 WLAN_REASON_MESH_PATH_ERROR = 61,
1706 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1707 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1708 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1709 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1710 WLAN_REASON_MESH_CHAN = 66,
1714 /* Information Element IDs */
1715 enum ieee80211_eid {
1717 WLAN_EID_SUPP_RATES = 1,
1718 WLAN_EID_FH_PARAMS = 2, /* reserved now */
1719 WLAN_EID_DS_PARAMS = 3,
1720 WLAN_EID_CF_PARAMS = 4,
1722 WLAN_EID_IBSS_PARAMS = 6,
1723 WLAN_EID_COUNTRY = 7,
1724 WLAN_EID_HP_PARAMS = 8,
1725 WLAN_EID_HP_TABLE = 9,
1726 WLAN_EID_REQUEST = 10,
1727 WLAN_EID_QBSS_LOAD = 11,
1728 WLAN_EID_EDCA_PARAM_SET = 12,
1729 WLAN_EID_TSPEC = 13,
1730 WLAN_EID_TCLAS = 14,
1731 WLAN_EID_SCHEDULE = 15,
1732 WLAN_EID_CHALLENGE = 16,
1733 /* 17-31 reserved for challenge text extension */
1734 WLAN_EID_PWR_CONSTRAINT = 32,
1735 WLAN_EID_PWR_CAPABILITY = 33,
1736 WLAN_EID_TPC_REQUEST = 34,
1737 WLAN_EID_TPC_REPORT = 35,
1738 WLAN_EID_SUPPORTED_CHANNELS = 36,
1739 WLAN_EID_CHANNEL_SWITCH = 37,
1740 WLAN_EID_MEASURE_REQUEST = 38,
1741 WLAN_EID_MEASURE_REPORT = 39,
1742 WLAN_EID_QUIET = 40,
1743 WLAN_EID_IBSS_DFS = 41,
1744 WLAN_EID_ERP_INFO = 42,
1745 WLAN_EID_TS_DELAY = 43,
1746 WLAN_EID_TCLAS_PROCESSING = 44,
1747 WLAN_EID_HT_CAPABILITY = 45,
1748 WLAN_EID_QOS_CAPA = 46,
1749 /* 47 reserved for Broadcom */
1751 WLAN_EID_802_15_COEX = 49,
1752 WLAN_EID_EXT_SUPP_RATES = 50,
1753 WLAN_EID_AP_CHAN_REPORT = 51,
1754 WLAN_EID_NEIGHBOR_REPORT = 52,
1756 WLAN_EID_MOBILITY_DOMAIN = 54,
1757 WLAN_EID_FAST_BSS_TRANSITION = 55,
1758 WLAN_EID_TIMEOUT_INTERVAL = 56,
1759 WLAN_EID_RIC_DATA = 57,
1760 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1761 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1762 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1763 WLAN_EID_HT_OPERATION = 61,
1764 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1765 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1766 WLAN_EID_ANTENNA_INFO = 64,
1768 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1769 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1770 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1771 WLAN_EID_TIME_ADVERTISEMENT = 69,
1772 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1773 WLAN_EID_MULTIPLE_BSSID = 71,
1774 WLAN_EID_BSS_COEX_2040 = 72,
1775 WLAN_EID_BSS_INTOLERANT_CHL_REPORT = 73,
1776 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1777 WLAN_EID_RIC_DESCRIPTOR = 75,
1779 WLAN_EID_ASSOC_COMEBACK_TIME = 77,
1780 WLAN_EID_EVENT_REQUEST = 78,
1781 WLAN_EID_EVENT_REPORT = 79,
1782 WLAN_EID_DIAGNOSTIC_REQUEST = 80,
1783 WLAN_EID_DIAGNOSTIC_REPORT = 81,
1784 WLAN_EID_LOCATION_PARAMS = 82,
1785 WLAN_EID_NON_TX_BSSID_CAP = 83,
1786 WLAN_EID_SSID_LIST = 84,
1787 WLAN_EID_MULTI_BSSID_IDX = 85,
1788 WLAN_EID_FMS_DESCRIPTOR = 86,
1789 WLAN_EID_FMS_REQUEST = 87,
1790 WLAN_EID_FMS_RESPONSE = 88,
1791 WLAN_EID_QOS_TRAFFIC_CAPA = 89,
1792 WLAN_EID_BSS_MAX_IDLE_PERIOD = 90,
1793 WLAN_EID_TSF_REQUEST = 91,
1794 WLAN_EID_TSF_RESPOSNE = 92,
1795 WLAN_EID_WNM_SLEEP_MODE = 93,
1796 WLAN_EID_TIM_BCAST_REQ = 94,
1797 WLAN_EID_TIM_BCAST_RESP = 95,
1798 WLAN_EID_COLL_IF_REPORT = 96,
1799 WLAN_EID_CHANNEL_USAGE = 97,
1800 WLAN_EID_TIME_ZONE = 98,
1801 WLAN_EID_DMS_REQUEST = 99,
1802 WLAN_EID_DMS_RESPONSE = 100,
1803 WLAN_EID_LINK_ID = 101,
1804 WLAN_EID_WAKEUP_SCHEDUL = 102,
1806 WLAN_EID_CHAN_SWITCH_TIMING = 104,
1807 WLAN_EID_PTI_CONTROL = 105,
1808 WLAN_EID_PU_BUFFER_STATUS = 106,
1809 WLAN_EID_INTERWORKING = 107,
1810 WLAN_EID_ADVERTISEMENT_PROTOCOL = 108,
1811 WLAN_EID_EXPEDITED_BW_REQ = 109,
1812 WLAN_EID_QOS_MAP_SET = 110,
1813 WLAN_EID_ROAMING_CONSORTIUM = 111,
1814 WLAN_EID_EMERGENCY_ALERT = 112,
1815 WLAN_EID_MESH_CONFIG = 113,
1816 WLAN_EID_MESH_ID = 114,
1817 WLAN_EID_LINK_METRIC_REPORT = 115,
1818 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1819 WLAN_EID_PEER_MGMT = 117,
1820 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1821 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1822 WLAN_EID_BEACON_TIMING = 120,
1823 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1824 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1825 WLAN_EID_MCCAOP_ADVERT = 123,
1826 WLAN_EID_MCCAOP_TEARDOWN = 124,
1827 WLAN_EID_GANN = 125,
1828 WLAN_EID_RANN = 126,
1829 WLAN_EID_EXT_CAPABILITY = 127,
1830 /* 128, 129 reserved for Agere */
1831 WLAN_EID_PREQ = 130,
1832 WLAN_EID_PREP = 131,
1833 WLAN_EID_PERR = 132,
1834 /* 133-136 reserved for Cisco */
1836 WLAN_EID_PXUC = 138,
1837 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1839 WLAN_EID_DESTINATION_URI = 141,
1840 WLAN_EID_UAPSD_COEX = 142,
1841 WLAN_EID_WAKEUP_SCHEDULE = 143,
1842 WLAN_EID_EXT_SCHEDULE = 144,
1843 WLAN_EID_STA_AVAILABILITY = 145,
1844 WLAN_EID_DMG_TSPEC = 146,
1845 WLAN_EID_DMG_AT = 147,
1846 WLAN_EID_DMG_CAP = 148,
1847 /* 149-150 reserved for Cisco */
1848 WLAN_EID_DMG_OPERATION = 151,
1849 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1850 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1851 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1852 /* 155-156 reserved for Cisco */
1853 WLAN_EID_AWAKE_WINDOW = 157,
1854 WLAN_EID_MULTI_BAND = 158,
1855 WLAN_EID_ADDBA_EXT = 159,
1856 WLAN_EID_NEXT_PCP_LIST = 160,
1857 WLAN_EID_PCP_HANDOVER = 161,
1858 WLAN_EID_DMG_LINK_MARGIN = 162,
1859 WLAN_EID_SWITCHING_STREAM = 163,
1860 WLAN_EID_SESSION_TRANSITION = 164,
1861 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1862 WLAN_EID_CLUSTER_REPORT = 166,
1863 WLAN_EID_RELAY_CAP = 167,
1864 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1865 WLAN_EID_BEAM_LINK_MAINT = 169,
1866 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1867 WLAN_EID_U_PID = 171,
1868 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1869 /* 173 reserved for Symbol */
1870 WLAN_EID_MCCAOP_ADV_OVERVIEW = 174,
1871 WLAN_EID_QUIET_PERIOD_REQ = 175,
1872 /* 176 reserved for Symbol */
1873 WLAN_EID_QUIET_PERIOD_RESP = 177,
1874 /* 178-179 reserved for Symbol */
1875 /* 180 reserved for ISO/IEC 20011 */
1876 WLAN_EID_EPAC_POLICY = 182,
1877 WLAN_EID_CLISTER_TIME_OFF = 183,
1878 WLAN_EID_INTER_AC_PRIO = 184,
1879 WLAN_EID_SCS_DESCRIPTOR = 185,
1880 WLAN_EID_QLOAD_REPORT = 186,
1881 WLAN_EID_HCCA_TXOP_UPDATE_COUNT = 187,
1882 WLAN_EID_HL_STREAM_ID = 188,
1883 WLAN_EID_GCR_GROUP_ADDR = 189,
1884 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1885 WLAN_EID_VHT_CAPABILITY = 191,
1886 WLAN_EID_VHT_OPERATION = 192,
1887 WLAN_EID_EXTENDED_BSS_LOAD = 193,
1888 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1889 WLAN_EID_VHT_TX_POWER_ENVELOPE = 195,
1890 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1892 WLAN_EID_QUIET_CHANNEL = 198,
1893 WLAN_EID_OPMODE_NOTIF = 199,
1895 WLAN_EID_VENDOR_SPECIFIC = 221,
1896 WLAN_EID_QOS_PARAMETER = 222,
1899 /* Action category code */
1900 enum ieee80211_category {
1901 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1902 WLAN_CATEGORY_QOS = 1,
1903 WLAN_CATEGORY_DLS = 2,
1904 WLAN_CATEGORY_BACK = 3,
1905 WLAN_CATEGORY_PUBLIC = 4,
1906 WLAN_CATEGORY_RADIO_MEASUREMENT = 5,
1907 WLAN_CATEGORY_HT = 7,
1908 WLAN_CATEGORY_SA_QUERY = 8,
1909 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1910 WLAN_CATEGORY_TDLS = 12,
1911 WLAN_CATEGORY_MESH_ACTION = 13,
1912 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1913 WLAN_CATEGORY_SELF_PROTECTED = 15,
1914 WLAN_CATEGORY_DMG = 16,
1915 WLAN_CATEGORY_WMM = 17,
1916 WLAN_CATEGORY_FST = 18,
1917 WLAN_CATEGORY_UNPROT_DMG = 20,
1918 WLAN_CATEGORY_VHT = 21,
1919 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1920 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1923 /* SPECTRUM_MGMT action code */
1924 enum ieee80211_spectrum_mgmt_actioncode {
1925 WLAN_ACTION_SPCT_MSR_REQ = 0,
1926 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1927 WLAN_ACTION_SPCT_TPC_REQ = 2,
1928 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1929 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1932 /* HT action codes */
1933 enum ieee80211_ht_actioncode {
1934 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1935 WLAN_HT_ACTION_SMPS = 1,
1936 WLAN_HT_ACTION_PSMP = 2,
1937 WLAN_HT_ACTION_PCO_PHASE = 3,
1938 WLAN_HT_ACTION_CSI = 4,
1939 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1940 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1941 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1944 /* VHT action codes */
1945 enum ieee80211_vht_actioncode {
1946 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1947 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1948 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1951 /* Self Protected Action codes */
1952 enum ieee80211_self_protected_actioncode {
1953 WLAN_SP_RESERVED = 0,
1954 WLAN_SP_MESH_PEERING_OPEN = 1,
1955 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1956 WLAN_SP_MESH_PEERING_CLOSE = 3,
1957 WLAN_SP_MGK_INFORM = 4,
1958 WLAN_SP_MGK_ACK = 5,
1961 /* Mesh action codes */
1962 enum ieee80211_mesh_actioncode {
1963 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1964 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1965 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1966 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1967 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1968 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1969 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1970 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1971 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1972 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1973 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1976 /* Security key length */
1977 enum ieee80211_key_len {
1978 WLAN_KEY_LEN_WEP40 = 5,
1979 WLAN_KEY_LEN_WEP104 = 13,
1980 WLAN_KEY_LEN_CCMP = 16,
1981 WLAN_KEY_LEN_TKIP = 32,
1982 WLAN_KEY_LEN_AES_CMAC = 16,
1983 WLAN_KEY_LEN_SMS4 = 32,
1986 #define IEEE80211_WEP_IV_LEN 4
1987 #define IEEE80211_WEP_ICV_LEN 4
1988 #define IEEE80211_CCMP_HDR_LEN 8
1989 #define IEEE80211_CCMP_MIC_LEN 8
1990 #define IEEE80211_CCMP_PN_LEN 6
1991 #define IEEE80211_TKIP_IV_LEN 8
1992 #define IEEE80211_TKIP_ICV_LEN 4
1993 #define IEEE80211_CMAC_PN_LEN 6
1995 /* Public action codes */
1996 enum ieee80211_pub_actioncode {
1997 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1998 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
2001 /* TDLS action codes */
2002 enum ieee80211_tdls_actioncode {
2003 WLAN_TDLS_SETUP_REQUEST = 0,
2004 WLAN_TDLS_SETUP_RESPONSE = 1,
2005 WLAN_TDLS_SETUP_CONFIRM = 2,
2006 WLAN_TDLS_TEARDOWN = 3,
2007 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
2008 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
2009 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
2010 WLAN_TDLS_PEER_PSM_REQUEST = 7,
2011 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
2012 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
2013 WLAN_TDLS_DISCOVERY_REQUEST = 10,
2016 /* Interworking capabilities are set in 7th bit of 4th byte of the
2017 * @WLAN_EID_EXT_CAPABILITY information element
2019 #define WLAN_EXT_CAPA4_INTERWORKING_ENABLED BIT(7)
2022 * TDLS capabililites to be enabled in the 5th byte of the
2023 * @WLAN_EID_EXT_CAPABILITY information element
2025 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
2026 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
2028 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
2029 #define WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED BIT(7)
2031 /* TDLS specific payload type in the LLC/SNAP header */
2032 #define WLAN_TDLS_SNAP_RFTYPE 0x2
2035 * enum - mesh synchronization method identifier
2037 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
2038 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
2039 * that will be specified in a vendor specific information element
2042 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
2043 IEEE80211_SYNC_METHOD_VENDOR = 255,
2047 * enum - mesh path selection protocol identifier
2049 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
2050 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
2051 * be specified in a vendor specific information element
2054 IEEE80211_PATH_PROTOCOL_HWMP = 1,
2055 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
2059 * enum - mesh path selection metric identifier
2061 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
2062 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
2063 * specified in a vendor specific information element
2066 IEEE80211_PATH_METRIC_AIRTIME = 1,
2067 IEEE80211_PATH_METRIC_VENDOR = 255,
2071 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
2073 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
2075 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
2076 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
2078 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
2079 * the proactive PREQ with proactive PREP subfield set to 0
2080 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
2081 * supports the proactive PREQ with proactive PREP subfield set to 1
2082 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
2083 * the proactive RANN
2085 enum ieee80211_root_mode_identifier {
2086 IEEE80211_ROOTMODE_NO_ROOT = 0,
2087 IEEE80211_ROOTMODE_ROOT = 1,
2088 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
2089 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
2090 IEEE80211_PROACTIVE_RANN = 4,
2094 * IEEE 802.11-2007 7.3.2.9 Country information element
2096 * Minimum length is 8 octets, ie len must be evenly
2100 /* Although the spec says 8 I'm seeing 6 in practice */
2101 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
2103 /* The Country String field of the element shall be 3 octets in length */
2104 #define IEEE80211_COUNTRY_STRING_LEN 3
2107 * For regulatory extension stuff see IEEE 802.11-2007
2108 * Annex I (page 1141) and Annex J (page 1147). Also
2111 * When dot11RegulatoryClassesRequired is true and the
2112 * first_channel/reg_extension_id is >= 201 then the IE
2113 * compromises of the 'ext' struct represented below:
2115 * - Regulatory extension ID - when generating IE this just needs
2116 * to be monotonically increasing for each triplet passed in
2118 * - Regulatory class - index into set of rules
2119 * - Coverage class - index into air propagation time (Table 7-27),
2120 * in microseconds, you can compute the air propagation time from
2121 * the index by multiplying by 3, so index 10 yields a propagation
2122 * of 10 us. Valid values are 0-31, values 32-255 are not defined
2123 * yet. A value of 0 inicates air propagation of <= 1 us.
2125 * See also Table I.2 for Emission limit sets and table
2126 * I.3 for Behavior limit sets. Table J.1 indicates how to map
2127 * a reg_class to an emission limit set and behavior limit set.
2129 #define IEEE80211_COUNTRY_EXTENSION_ID 201
2132 * Channels numbers in the IE must be monotonically increasing
2133 * if dot11RegulatoryClassesRequired is not true.
2135 * If dot11RegulatoryClassesRequired is true consecutive
2136 * subband triplets following a regulatory triplet shall
2137 * have monotonically increasing first_channel number fields.
2139 * Channel numbers shall not overlap.
2141 * Note that max_power is signed.
2143 struct ieee80211_country_ie_triplet {
2151 u8 reg_extension_id;
2158 enum ieee80211_timeout_interval_type {
2159 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2160 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2161 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2165 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2166 * @type: type, see &enum ieee80211_timeout_interval_type
2167 * @value: timeout interval value
2169 struct ieee80211_timeout_interval_ie {
2174 /* BACK action code */
2175 enum ieee80211_back_actioncode {
2176 WLAN_ACTION_ADDBA_REQ = 0,
2177 WLAN_ACTION_ADDBA_RESP = 1,
2178 WLAN_ACTION_DELBA = 2,
2181 /* BACK (block-ack) parties */
2182 enum ieee80211_back_parties {
2183 WLAN_BACK_RECIPIENT = 0,
2184 WLAN_BACK_INITIATOR = 1,
2187 /* SA Query action */
2188 enum ieee80211_sa_query_action {
2189 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2190 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2194 /* cipher suite selectors */
2195 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2196 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2197 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2198 /* reserved: 0x000FAC03 */
2199 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2200 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2201 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2202 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2204 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2206 /* AKM suite selectors */
2207 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2208 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2209 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2210 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2212 #define WLAN_MAX_KEY_LEN 32
2214 #define WLAN_PMKID_LEN 16
2216 #define WLAN_OUI_WFA 0x506f9a
2217 #define WLAN_OUI_TYPE_WFA_P2P 9
2218 #define WLAN_OUI_MICROSOFT 0x0050f2
2219 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2220 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2221 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2224 * WMM/802.11e Tspec Element
2226 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2227 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2229 enum ieee80211_tspec_status_code {
2230 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2231 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2234 struct ieee80211_tspec_ie {
2243 __le16 nominal_msdu;
2245 __le32 min_service_int;
2246 __le32 max_service_int;
2247 __le32 inactivity_int;
2248 __le32 suspension_int;
2249 __le32 service_start_time;
2250 __le32 min_data_rate;
2251 __le32 mean_data_rate;
2252 __le32 peak_data_rate;
2253 __le32 max_burst_size;
2255 __le32 min_phy_rate;
2261 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2264 * The qos ctrl bytes come after the frame_control, duration, seq_num
2265 * and 3 or 4 addresses of length ETH_ALEN.
2266 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2267 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2269 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2271 if (ieee80211_has_a4(hdr->frame_control))
2272 return (u8 *)hdr + 30;
2274 return (u8 *)hdr + 24;
2278 * ieee80211_get_SA - get pointer to SA
2281 * Given an 802.11 frame, this function returns the offset
2282 * to the source address (SA). It does not verify that the
2283 * header is long enough to contain the address, and the
2284 * header must be long enough to contain the frame control
2287 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2289 if (ieee80211_has_a4(hdr->frame_control))
2291 if (ieee80211_has_fromds(hdr->frame_control))
2297 * ieee80211_get_DA - get pointer to DA
2300 * Given an 802.11 frame, this function returns the offset
2301 * to the destination address (DA). It does not verify that
2302 * the header is long enough to contain the address, and the
2303 * header must be long enough to contain the frame control
2306 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2308 if (ieee80211_has_tods(hdr->frame_control))
2315 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2316 * @hdr: the frame (buffer must include at least the first octet of payload)
2318 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2320 if (ieee80211_is_disassoc(hdr->frame_control) ||
2321 ieee80211_is_deauth(hdr->frame_control))
2324 if (ieee80211_is_action(hdr->frame_control)) {
2328 * Action frames, excluding Public Action frames, are Robust
2329 * Management Frames. However, if we are looking at a Protected
2330 * frame, skip the check since the data may be encrypted and
2331 * the frame has already been found to be a Robust Management
2332 * Frame (by the other end).
2334 if (ieee80211_has_protected(hdr->frame_control))
2336 category = ((u8 *) hdr) + 24;
2337 return *category != WLAN_CATEGORY_PUBLIC &&
2338 *category != WLAN_CATEGORY_HT &&
2339 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2340 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2347 * ieee80211_is_public_action - check if frame is a public action frame
2349 * @len: length of the frame
2351 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2354 struct ieee80211_mgmt *mgmt = (void *)hdr;
2356 if (len < IEEE80211_MIN_ACTION_SIZE)
2358 if (!ieee80211_is_action(hdr->frame_control))
2360 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2364 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2367 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2373 * ieee80211_check_tim - check if AID bit is set in TIM
2375 * @tim_len: length of the TIM IE
2376 * @aid: the AID to look for
2378 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2379 u8 tim_len, u16 aid)
2382 u8 indexn0, indexn1, indexn2;
2384 if (unlikely(!tim || tim_len < sizeof(*tim)))
2389 mask = 1 << (aid & 7);
2391 indexn1 = tim->bitmap_ctrl & 0xfe;
2392 indexn2 = tim_len + indexn1 - 4;
2394 if (indexn0 < indexn1 || indexn0 > indexn2)
2399 return !!(tim->virtual_map[indexn0] & mask);
2402 /* convert time units */
2403 #define TU_TO_JIFFIES(x) (usecs_to_jiffies((x) * 1024))
2404 #define TU_TO_EXP_TIME(x) (jiffies + TU_TO_JIFFIES(x))
2406 #endif /* __LINUX_IEEE80211_H */