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>
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.
15 #ifndef __LINUX_IEEE80211_H
16 #define __LINUX_IEEE80211_H
21 * TA = transmitter address
22 * RA = receiver address
23 * DA = destination address
26 * ToDS FromDS A1(RA) A2(TA) A3 A4 Use
27 * -----------------------------------------------------------------
28 * 0 0 DA SA BSSID - IBSS/DLS
29 * 0 1 DA BSSID SA - AP -> STA
30 * 1 0 BSSID SA DA - AP <- STA
31 * 1 1 RA TA DA SA unspecified (WDS)
36 #define IEEE80211_FCTL_VERS 0x0003
37 #define IEEE80211_FCTL_FTYPE 0x000c
38 #define IEEE80211_FCTL_STYPE 0x00f0
39 #define IEEE80211_FCTL_TODS 0x0100
40 #define IEEE80211_FCTL_FROMDS 0x0200
41 #define IEEE80211_FCTL_MOREFRAGS 0x0400
42 #define IEEE80211_FCTL_RETRY 0x0800
43 #define IEEE80211_FCTL_PM 0x1000
44 #define IEEE80211_FCTL_MOREDATA 0x2000
45 #define IEEE80211_FCTL_PROTECTED 0x4000
46 #define IEEE80211_FCTL_ORDER 0x8000
47 #define IEEE80211_FCTL_CTL_EXT 0x0f00
49 #define IEEE80211_SCTL_FRAG 0x000F
50 #define IEEE80211_SCTL_SEQ 0xFFF0
52 #define IEEE80211_FTYPE_MGMT 0x0000
53 #define IEEE80211_FTYPE_CTL 0x0004
54 #define IEEE80211_FTYPE_DATA 0x0008
55 #define IEEE80211_FTYPE_EXT 0x000c
58 #define IEEE80211_STYPE_ASSOC_REQ 0x0000
59 #define IEEE80211_STYPE_ASSOC_RESP 0x0010
60 #define IEEE80211_STYPE_REASSOC_REQ 0x0020
61 #define IEEE80211_STYPE_REASSOC_RESP 0x0030
62 #define IEEE80211_STYPE_PROBE_REQ 0x0040
63 #define IEEE80211_STYPE_PROBE_RESP 0x0050
64 #define IEEE80211_STYPE_BEACON 0x0080
65 #define IEEE80211_STYPE_ATIM 0x0090
66 #define IEEE80211_STYPE_DISASSOC 0x00A0
67 #define IEEE80211_STYPE_AUTH 0x00B0
68 #define IEEE80211_STYPE_DEAUTH 0x00C0
69 #define IEEE80211_STYPE_ACTION 0x00D0
72 #define IEEE80211_STYPE_CTL_EXT 0x0060
73 #define IEEE80211_STYPE_BACK_REQ 0x0080
74 #define IEEE80211_STYPE_BACK 0x0090
75 #define IEEE80211_STYPE_PSPOLL 0x00A0
76 #define IEEE80211_STYPE_RTS 0x00B0
77 #define IEEE80211_STYPE_CTS 0x00C0
78 #define IEEE80211_STYPE_ACK 0x00D0
79 #define IEEE80211_STYPE_CFEND 0x00E0
80 #define IEEE80211_STYPE_CFENDACK 0x00F0
83 #define IEEE80211_STYPE_DATA 0x0000
84 #define IEEE80211_STYPE_DATA_CFACK 0x0010
85 #define IEEE80211_STYPE_DATA_CFPOLL 0x0020
86 #define IEEE80211_STYPE_DATA_CFACKPOLL 0x0030
87 #define IEEE80211_STYPE_NULLFUNC 0x0040
88 #define IEEE80211_STYPE_CFACK 0x0050
89 #define IEEE80211_STYPE_CFPOLL 0x0060
90 #define IEEE80211_STYPE_CFACKPOLL 0x0070
91 #define IEEE80211_STYPE_QOS_DATA 0x0080
92 #define IEEE80211_STYPE_QOS_DATA_CFACK 0x0090
93 #define IEEE80211_STYPE_QOS_DATA_CFPOLL 0x00A0
94 #define IEEE80211_STYPE_QOS_DATA_CFACKPOLL 0x00B0
95 #define IEEE80211_STYPE_QOS_NULLFUNC 0x00C0
96 #define IEEE80211_STYPE_QOS_CFACK 0x00D0
97 #define IEEE80211_STYPE_QOS_CFPOLL 0x00E0
98 #define IEEE80211_STYPE_QOS_CFACKPOLL 0x00F0
100 /* extension, added by 802.11ad */
101 #define IEEE80211_STYPE_DMG_BEACON 0x0000
103 /* control extension - for IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTL_EXT */
104 #define IEEE80211_CTL_EXT_POLL 0x2000
105 #define IEEE80211_CTL_EXT_SPR 0x3000
106 #define IEEE80211_CTL_EXT_GRANT 0x4000
107 #define IEEE80211_CTL_EXT_DMG_CTS 0x5000
108 #define IEEE80211_CTL_EXT_DMG_DTS 0x6000
109 #define IEEE80211_CTL_EXT_SSW 0x8000
110 #define IEEE80211_CTL_EXT_SSW_FBACK 0x9000
111 #define IEEE80211_CTL_EXT_SSW_ACK 0xa000
114 #define IEEE80211_SN_MASK ((IEEE80211_SCTL_SEQ) >> 4)
115 #define IEEE80211_MAX_SN IEEE80211_SN_MASK
116 #define IEEE80211_SN_MODULO (IEEE80211_MAX_SN + 1)
118 static inline int ieee80211_sn_less(u16 sn1, u16 sn2)
120 return ((sn1 - sn2) & IEEE80211_SN_MASK) > (IEEE80211_SN_MODULO >> 1);
123 static inline u16 ieee80211_sn_add(u16 sn1, u16 sn2)
125 return (sn1 + sn2) & IEEE80211_SN_MASK;
128 static inline u16 ieee80211_sn_inc(u16 sn)
130 return ieee80211_sn_add(sn, 1);
133 static inline u16 ieee80211_sn_sub(u16 sn1, u16 sn2)
135 return (sn1 - sn2) & IEEE80211_SN_MASK;
138 #define IEEE80211_SEQ_TO_SN(seq) (((seq) & IEEE80211_SCTL_SEQ) >> 4)
139 #define IEEE80211_SN_TO_SEQ(ssn) (((ssn) << 4) & IEEE80211_SCTL_SEQ)
141 /* miscellaneous IEEE 802.11 constants */
142 #define IEEE80211_MAX_FRAG_THRESHOLD 2352
143 #define IEEE80211_MAX_RTS_THRESHOLD 2353
144 #define IEEE80211_MAX_AID 2007
145 #define IEEE80211_MAX_TIM_LEN 251
146 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
149 802.11e clarifies the figure in section 7.1.2. The frame body is
150 up to 2304 octets long (maximum MSDU size) plus any crypt overhead. */
151 #define IEEE80211_MAX_DATA_LEN 2304
152 /* 30 byte 4 addr hdr, 2 byte QoS, 2304 byte MSDU, 12 byte crypt, 4 byte FCS */
153 #define IEEE80211_MAX_FRAME_LEN 2352
155 #define IEEE80211_MAX_SSID_LEN 32
157 #define IEEE80211_MAX_MESH_ID_LEN 32
159 #define IEEE80211_NUM_TIDS 16
161 #define IEEE80211_QOS_CTL_LEN 2
163 #define IEEE80211_QOS_CTL_TAG1D_MASK 0x0007
165 #define IEEE80211_QOS_CTL_TID_MASK 0x000f
167 #define IEEE80211_QOS_CTL_EOSP 0x0010
169 #define IEEE80211_QOS_CTL_ACK_POLICY_NORMAL 0x0000
170 #define IEEE80211_QOS_CTL_ACK_POLICY_NOACK 0x0020
171 #define IEEE80211_QOS_CTL_ACK_POLICY_NO_EXPL 0x0040
172 #define IEEE80211_QOS_CTL_ACK_POLICY_BLOCKACK 0x0060
173 #define IEEE80211_QOS_CTL_ACK_POLICY_MASK 0x0060
175 #define IEEE80211_QOS_CTL_A_MSDU_PRESENT 0x0080
176 /* Mesh Control 802.11s */
177 #define IEEE80211_QOS_CTL_MESH_CONTROL_PRESENT 0x0100
179 /* U-APSD queue for WMM IEs sent by AP */
180 #define IEEE80211_WMM_IE_AP_QOSINFO_UAPSD (1<<7)
181 #define IEEE80211_WMM_IE_AP_QOSINFO_PARAM_SET_CNT_MASK 0x0f
183 /* U-APSD queues for WMM IEs sent by STA */
184 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VO (1<<0)
185 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_VI (1<<1)
186 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BK (1<<2)
187 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_BE (1<<3)
188 #define IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK 0x0f
190 /* U-APSD max SP length for WMM IEs sent by STA */
191 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_ALL 0x00
192 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_2 0x01
193 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_4 0x02
194 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_6 0x03
195 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK 0x03
196 #define IEEE80211_WMM_IE_STA_QOSINFO_SP_SHIFT 5
198 #define IEEE80211_HT_CTL_LEN 4
200 struct ieee80211_hdr {
201 __le16 frame_control;
208 } __packed __aligned(2);
210 struct ieee80211_hdr_3addr {
211 __le16 frame_control;
217 } __packed __aligned(2);
219 struct ieee80211_qos_hdr {
220 __le16 frame_control;
227 } __packed __aligned(2);
230 * ieee80211_has_tods - check if IEEE80211_FCTL_TODS is set
231 * @fc: frame control bytes in little-endian byteorder
233 static inline int ieee80211_has_tods(__le16 fc)
235 return (fc & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0;
239 * ieee80211_has_fromds - check if IEEE80211_FCTL_FROMDS is set
240 * @fc: frame control bytes in little-endian byteorder
242 static inline int ieee80211_has_fromds(__le16 fc)
244 return (fc & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0;
248 * ieee80211_has_a4 - check if IEEE80211_FCTL_TODS and IEEE80211_FCTL_FROMDS are set
249 * @fc: frame control bytes in little-endian byteorder
251 static inline int ieee80211_has_a4(__le16 fc)
253 __le16 tmp = cpu_to_le16(IEEE80211_FCTL_TODS | IEEE80211_FCTL_FROMDS);
254 return (fc & tmp) == tmp;
258 * ieee80211_has_morefrags - check if IEEE80211_FCTL_MOREFRAGS is set
259 * @fc: frame control bytes in little-endian byteorder
261 static inline int ieee80211_has_morefrags(__le16 fc)
263 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0;
267 * ieee80211_has_retry - check if IEEE80211_FCTL_RETRY is set
268 * @fc: frame control bytes in little-endian byteorder
270 static inline int ieee80211_has_retry(__le16 fc)
272 return (fc & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0;
276 * ieee80211_has_pm - check if IEEE80211_FCTL_PM is set
277 * @fc: frame control bytes in little-endian byteorder
279 static inline int ieee80211_has_pm(__le16 fc)
281 return (fc & cpu_to_le16(IEEE80211_FCTL_PM)) != 0;
285 * ieee80211_has_moredata - check if IEEE80211_FCTL_MOREDATA is set
286 * @fc: frame control bytes in little-endian byteorder
288 static inline int ieee80211_has_moredata(__le16 fc)
290 return (fc & cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0;
294 * ieee80211_has_protected - check if IEEE80211_FCTL_PROTECTED is set
295 * @fc: frame control bytes in little-endian byteorder
297 static inline int ieee80211_has_protected(__le16 fc)
299 return (fc & cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0;
303 * ieee80211_has_order - check if IEEE80211_FCTL_ORDER is set
304 * @fc: frame control bytes in little-endian byteorder
306 static inline int ieee80211_has_order(__le16 fc)
308 return (fc & cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0;
312 * ieee80211_is_mgmt - check if type is IEEE80211_FTYPE_MGMT
313 * @fc: frame control bytes in little-endian byteorder
315 static inline int ieee80211_is_mgmt(__le16 fc)
317 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
318 cpu_to_le16(IEEE80211_FTYPE_MGMT);
322 * ieee80211_is_ctl - check if type is IEEE80211_FTYPE_CTL
323 * @fc: frame control bytes in little-endian byteorder
325 static inline int ieee80211_is_ctl(__le16 fc)
327 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
328 cpu_to_le16(IEEE80211_FTYPE_CTL);
332 * ieee80211_is_data - check if type is IEEE80211_FTYPE_DATA
333 * @fc: frame control bytes in little-endian byteorder
335 static inline int ieee80211_is_data(__le16 fc)
337 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE)) ==
338 cpu_to_le16(IEEE80211_FTYPE_DATA);
342 * ieee80211_is_data_qos - check if type is IEEE80211_FTYPE_DATA and IEEE80211_STYPE_QOS_DATA is set
343 * @fc: frame control bytes in little-endian byteorder
345 static inline int ieee80211_is_data_qos(__le16 fc)
348 * mask with QOS_DATA rather than IEEE80211_FCTL_STYPE as we just need
349 * to check the one bit
351 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_STYPE_QOS_DATA)) ==
352 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_DATA);
356 * ieee80211_is_data_present - check if type is IEEE80211_FTYPE_DATA and has data
357 * @fc: frame control bytes in little-endian byteorder
359 static inline int ieee80211_is_data_present(__le16 fc)
362 * mask with 0x40 and test that that bit is clear to only return true
363 * for the data-containing substypes.
365 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | 0x40)) ==
366 cpu_to_le16(IEEE80211_FTYPE_DATA);
370 * ieee80211_is_assoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_REQ
371 * @fc: frame control bytes in little-endian byteorder
373 static inline int ieee80211_is_assoc_req(__le16 fc)
375 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
376 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_REQ);
380 * ieee80211_is_assoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ASSOC_RESP
381 * @fc: frame control bytes in little-endian byteorder
383 static inline int ieee80211_is_assoc_resp(__le16 fc)
385 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
386 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ASSOC_RESP);
390 * ieee80211_is_reassoc_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_REQ
391 * @fc: frame control bytes in little-endian byteorder
393 static inline int ieee80211_is_reassoc_req(__le16 fc)
395 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
396 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_REQ);
400 * ieee80211_is_reassoc_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_REASSOC_RESP
401 * @fc: frame control bytes in little-endian byteorder
403 static inline int ieee80211_is_reassoc_resp(__le16 fc)
405 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
406 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_REASSOC_RESP);
410 * ieee80211_is_probe_req - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_REQ
411 * @fc: frame control bytes in little-endian byteorder
413 static inline int ieee80211_is_probe_req(__le16 fc)
415 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
416 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ);
420 * ieee80211_is_probe_resp - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_PROBE_RESP
421 * @fc: frame control bytes in little-endian byteorder
423 static inline int ieee80211_is_probe_resp(__le16 fc)
425 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
426 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_RESP);
430 * ieee80211_is_beacon - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_BEACON
431 * @fc: frame control bytes in little-endian byteorder
433 static inline int ieee80211_is_beacon(__le16 fc)
435 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
436 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_BEACON);
440 * ieee80211_is_atim - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ATIM
441 * @fc: frame control bytes in little-endian byteorder
443 static inline int ieee80211_is_atim(__le16 fc)
445 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
446 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ATIM);
450 * ieee80211_is_disassoc - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DISASSOC
451 * @fc: frame control bytes in little-endian byteorder
453 static inline int ieee80211_is_disassoc(__le16 fc)
455 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
456 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DISASSOC);
460 * ieee80211_is_auth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_AUTH
461 * @fc: frame control bytes in little-endian byteorder
463 static inline int ieee80211_is_auth(__le16 fc)
465 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
466 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_AUTH);
470 * ieee80211_is_deauth - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_DEAUTH
471 * @fc: frame control bytes in little-endian byteorder
473 static inline int ieee80211_is_deauth(__le16 fc)
475 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
476 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_DEAUTH);
480 * ieee80211_is_action - check if IEEE80211_FTYPE_MGMT && IEEE80211_STYPE_ACTION
481 * @fc: frame control bytes in little-endian byteorder
483 static inline int ieee80211_is_action(__le16 fc)
485 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
486 cpu_to_le16(IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION);
490 * ieee80211_is_back_req - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK_REQ
491 * @fc: frame control bytes in little-endian byteorder
493 static inline int ieee80211_is_back_req(__le16 fc)
495 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
496 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK_REQ);
500 * ieee80211_is_back - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_BACK
501 * @fc: frame control bytes in little-endian byteorder
503 static inline int ieee80211_is_back(__le16 fc)
505 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
506 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_BACK);
510 * ieee80211_is_pspoll - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_PSPOLL
511 * @fc: frame control bytes in little-endian byteorder
513 static inline int ieee80211_is_pspoll(__le16 fc)
515 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
516 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_PSPOLL);
520 * ieee80211_is_rts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_RTS
521 * @fc: frame control bytes in little-endian byteorder
523 static inline int ieee80211_is_rts(__le16 fc)
525 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
526 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_RTS);
530 * ieee80211_is_cts - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CTS
531 * @fc: frame control bytes in little-endian byteorder
533 static inline int ieee80211_is_cts(__le16 fc)
535 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
536 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CTS);
540 * ieee80211_is_ack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_ACK
541 * @fc: frame control bytes in little-endian byteorder
543 static inline int ieee80211_is_ack(__le16 fc)
545 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
546 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_ACK);
550 * ieee80211_is_cfend - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFEND
551 * @fc: frame control bytes in little-endian byteorder
553 static inline int ieee80211_is_cfend(__le16 fc)
555 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
556 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFEND);
560 * ieee80211_is_cfendack - check if IEEE80211_FTYPE_CTL && IEEE80211_STYPE_CFENDACK
561 * @fc: frame control bytes in little-endian byteorder
563 static inline int ieee80211_is_cfendack(__le16 fc)
565 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
566 cpu_to_le16(IEEE80211_FTYPE_CTL | IEEE80211_STYPE_CFENDACK);
570 * ieee80211_is_nullfunc - check if frame is a regular (non-QoS) nullfunc frame
571 * @fc: frame control bytes in little-endian byteorder
573 static inline int ieee80211_is_nullfunc(__le16 fc)
575 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
576 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_NULLFUNC);
580 * ieee80211_is_qos_nullfunc - check if frame is a QoS nullfunc frame
581 * @fc: frame control bytes in little-endian byteorder
583 static inline int ieee80211_is_qos_nullfunc(__le16 fc)
585 return (fc & cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) ==
586 cpu_to_le16(IEEE80211_FTYPE_DATA | IEEE80211_STYPE_QOS_NULLFUNC);
589 static inline unsigned int ieee80211_hdrlen(__le16 fc)
591 unsigned int hdrlen = 24;
593 if (ieee80211_has_a4(fc))
596 if (ieee80211_is_data_qos(fc)) {
597 hdrlen += IEEE80211_QOS_CTL_LEN;
598 if (ieee80211_has_order(fc))
599 hdrlen += IEEE80211_HT_CTL_LEN;
606 * ieee80211_is_first_frag - check if IEEE80211_SCTL_FRAG is not set
607 * @seq_ctrl: frame sequence control bytes in little-endian byteorder
609 static inline int ieee80211_is_first_frag(__le16 seq_ctrl)
611 return (seq_ctrl & cpu_to_le16(IEEE80211_SCTL_FRAG)) == 0;
614 struct ieee80211s_hdr {
620 } __packed __aligned(2);
623 #define MESH_FLAGS_AE_A4 0x1
624 #define MESH_FLAGS_AE_A5_A6 0x2
625 #define MESH_FLAGS_AE 0x3
626 #define MESH_FLAGS_PS_DEEP 0x4
629 * enum ieee80211_preq_flags - mesh PREQ element flags
631 * @IEEE80211_PREQ_PROACTIVE_PREP_FLAG: proactive PREP subfield
633 enum ieee80211_preq_flags {
634 IEEE80211_PREQ_PROACTIVE_PREP_FLAG = 1<<2,
638 * enum ieee80211_preq_target_flags - mesh PREQ element per target flags
640 * @IEEE80211_PREQ_TO_FLAG: target only subfield
641 * @IEEE80211_PREQ_USN_FLAG: unknown target HWMP sequence number subfield
643 enum ieee80211_preq_target_flags {
644 IEEE80211_PREQ_TO_FLAG = 1<<0,
645 IEEE80211_PREQ_USN_FLAG = 1<<2,
649 * struct ieee80211_quiet_ie
651 * This structure refers to "Quiet information element"
653 struct ieee80211_quiet_ie {
661 * struct ieee80211_msrment_ie
663 * This structure refers to "Measurement Request/Report information element"
665 struct ieee80211_msrment_ie {
673 * struct ieee80211_channel_sw_ie
675 * This structure refers to "Channel Switch Announcement information element"
677 struct ieee80211_channel_sw_ie {
684 * struct ieee80211_ext_chansw_ie
686 * This structure represents the "Extended Channel Switch Announcement element"
688 struct ieee80211_ext_chansw_ie {
690 u8 new_operating_class;
696 * struct ieee80211_sec_chan_offs_ie - secondary channel offset IE
697 * @sec_chan_offs: secondary channel offset, uses IEEE80211_HT_PARAM_CHA_SEC_*
699 * This structure represents the "Secondary Channel Offset element"
701 struct ieee80211_sec_chan_offs_ie {
706 * struct ieee80211_wide_bw_chansw_ie - wide bandwidth channel switch IE
708 struct ieee80211_wide_bw_chansw_ie {
709 u8 new_channel_width;
710 u8 new_center_freq_seg0, new_center_freq_seg1;
714 * struct ieee80211_tim
716 * This structure refers to "Traffic Indication Map information element"
718 struct ieee80211_tim_ie {
722 /* variable size: 1 - 251 bytes */
727 * struct ieee80211_meshconf_ie
729 * This structure refers to "Mesh Configuration information element"
731 struct ieee80211_meshconf_ie {
742 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
744 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
745 * additional mesh peerings with other mesh STAs
746 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
747 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
750 enum mesh_config_capab_flags {
751 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
752 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
753 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
757 * struct ieee80211_rann_ie
759 * This structure refers to "Root Announcement information element"
761 struct ieee80211_rann_ie {
767 __le32 rann_interval;
771 enum ieee80211_rann_flags {
772 RANN_FLAG_IS_GATE = 1 << 0,
775 enum ieee80211_ht_chanwidth_values {
776 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
777 IEEE80211_HT_CHANWIDTH_ANY = 1,
781 * enum ieee80211_opmode_bits - VHT operating mode field bits
782 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
783 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
784 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
785 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
786 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
787 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
788 * (the NSS value is the value of this field + 1)
789 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
790 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
791 * using a beamforming steering matrix
793 enum ieee80211_vht_opmode_bits {
794 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
795 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
796 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
797 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
798 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
799 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
800 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
801 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
804 #define WLAN_SA_QUERY_TR_ID_LEN 2
806 struct ieee80211_mgmt {
807 __le16 frame_control;
816 __le16 auth_transaction;
818 /* possibly followed by Challenge text */
826 __le16 listen_interval;
827 /* followed by SSID and Supported rates */
829 } __packed assoc_req;
834 /* followed by Supported rates */
836 } __packed assoc_resp, reassoc_resp;
839 __le16 listen_interval;
841 /* followed by SSID and Supported rates */
843 } __packed reassoc_req;
851 /* followed by some of SSID, Supported rates,
852 * FH Params, DS Params, CF Params, IBSS Params, TIM */
856 /* only variable items: SSID, Supported rates */
858 } __packed probe_req;
863 /* followed by some of SSID, Supported rates,
864 * FH Params, DS Params, CF Params, IBSS Params */
866 } __packed probe_resp;
875 } __packed wme_action;
879 } __packed chan_switch;
882 struct ieee80211_ext_chansw_ie data;
884 } __packed ext_chan_switch;
890 struct ieee80211_msrment_ie msr_elem;
891 } __packed measurement;
897 __le16 start_seq_num;
898 } __packed addba_req;
905 } __packed addba_resp;
914 } __packed self_prot;
918 } __packed mesh_action;
921 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
930 } __packed ht_notify_cw;
936 } __packed tdls_discover_resp;
940 } __packed vht_opmode_notif;
944 } __packed __aligned(2);
946 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
947 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
949 /* mgmt header + 1 byte category code */
950 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
953 /* Management MIC information element (IEEE 802.11w) */
954 struct ieee80211_mmie {
958 u8 sequence_number[6];
962 struct ieee80211_vendor_ie {
970 struct ieee80211_rts {
971 __le16 frame_control;
975 } __packed __aligned(2);
977 struct ieee80211_cts {
978 __le16 frame_control;
981 } __packed __aligned(2);
983 struct ieee80211_pspoll {
984 __le16 frame_control;
988 } __packed __aligned(2);
992 /* Link-id information element */
993 struct ieee80211_tdls_lnkie {
994 u8 ie_type; /* Link Identifier IE */
1001 struct ieee80211_tdls_data {
1013 } __packed setup_req;
1019 } __packed setup_resp;
1024 } __packed setup_cfm;
1028 } __packed teardown;
1032 } __packed discover_req;
1037 * Peer-to-Peer IE attribute related definitions.
1040 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1042 enum ieee80211_p2p_attr_id {
1043 IEEE80211_P2P_ATTR_STATUS = 0,
1044 IEEE80211_P2P_ATTR_MINOR_REASON,
1045 IEEE80211_P2P_ATTR_CAPABILITY,
1046 IEEE80211_P2P_ATTR_DEVICE_ID,
1047 IEEE80211_P2P_ATTR_GO_INTENT,
1048 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1049 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1050 IEEE80211_P2P_ATTR_GROUP_BSSID,
1051 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1052 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1053 IEEE80211_P2P_ATTR_MANAGABILITY,
1054 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1055 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1056 IEEE80211_P2P_ATTR_DEVICE_INFO,
1057 IEEE80211_P2P_ATTR_GROUP_INFO,
1058 IEEE80211_P2P_ATTR_GROUP_ID,
1059 IEEE80211_P2P_ATTR_INTERFACE,
1060 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1061 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1062 /* 19 - 220: Reserved */
1063 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1065 IEEE80211_P2P_ATTR_MAX
1068 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1069 /* Typical max value used here */
1070 #define IEEE80211_P2P_NOA_DESC_MAX 4
1072 struct ieee80211_p2p_noa_desc {
1079 struct ieee80211_p2p_noa_attr {
1082 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1085 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1086 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1089 * struct ieee80211_bar - HT Block Ack Request
1091 * This structure refers to "HT BlockAckReq" as
1092 * described in 802.11n draft section 7.2.1.7.1
1094 struct ieee80211_bar {
1095 __le16 frame_control;
1100 __le16 start_seq_num;
1101 } __packed __aligned(4);
1103 /* 802.11 BA(R) control masks */
1104 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1105 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1106 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1107 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1108 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1111 * struct ieee80211_ba - HT Block Ack
1113 * This structure refers to "HT BlockAck" as
1114 * described in 802.11n draft section 7.2.1.8.1
1116 struct ieee80211_ba {
1117 __le16 frame_control;
1123 __le16 start_seq_num;
1127 #define IEEE80211_HT_MCS_MASK_LEN 10
1130 * struct ieee80211_mcs_info - MCS information
1132 * @rx_highest: highest supported RX rate. If set represents
1133 * the highest supported RX data rate in units of 1 Mbps.
1134 * If this field is 0 this value should not be used to
1135 * consider the highest RX data rate supported.
1136 * @tx_params: TX parameters
1138 struct ieee80211_mcs_info {
1139 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1145 /* 802.11n HT capability MSC set */
1146 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1147 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1148 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1149 /* value 0 == 1 stream etc */
1150 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1151 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1152 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1153 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1156 * 802.11n D5.0 20.3.5 / 20.6 says:
1157 * - indices 0 to 7 and 32 are single spatial stream
1158 * - 8 to 31 are multiple spatial streams using equal modulation
1159 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1160 * - remainder are multiple spatial streams using unequal modulation
1162 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1163 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1164 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1167 * struct ieee80211_ht_cap - HT capabilities
1169 * This structure is the "HT capabilities element" as
1170 * described in 802.11n D5.0 7.3.2.57
1172 struct ieee80211_ht_cap {
1174 u8 ampdu_params_info;
1176 /* 16 bytes MCS information */
1177 struct ieee80211_mcs_info mcs;
1179 __le16 extended_ht_cap_info;
1180 __le32 tx_BF_cap_info;
1181 u8 antenna_selection_info;
1184 /* 802.11n HT capabilities masks (for cap_info) */
1185 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1186 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1187 #define IEEE80211_HT_CAP_SM_PS 0x000C
1188 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1189 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1190 #define IEEE80211_HT_CAP_SGI_20 0x0020
1191 #define IEEE80211_HT_CAP_SGI_40 0x0040
1192 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1193 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1194 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1195 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1196 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1197 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1198 #define IEEE80211_HT_CAP_RESERVED 0x2000
1199 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1200 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1202 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1203 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1204 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1205 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1206 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1207 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1208 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1209 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1211 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1212 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1213 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1214 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1217 * Maximum length of AMPDU that the STA can receive.
1218 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1220 enum ieee80211_max_ampdu_length_exp {
1221 IEEE80211_HT_MAX_AMPDU_8K = 0,
1222 IEEE80211_HT_MAX_AMPDU_16K = 1,
1223 IEEE80211_HT_MAX_AMPDU_32K = 2,
1224 IEEE80211_HT_MAX_AMPDU_64K = 3
1227 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1229 /* Minimum MPDU start spacing */
1230 enum ieee80211_min_mpdu_spacing {
1231 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1232 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1233 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1234 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1235 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1236 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1237 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1238 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1242 * struct ieee80211_ht_operation - HT operation IE
1244 * This structure is the "HT operation element" as
1245 * described in 802.11n-2009 7.3.2.57
1247 struct ieee80211_ht_operation {
1250 __le16 operation_mode;
1256 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1257 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1258 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1259 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1260 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1261 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1263 /* for operation_mode */
1264 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1265 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1266 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1267 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1268 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1269 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1270 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1272 /* for stbc_param */
1273 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1274 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1275 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1276 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1277 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1278 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1281 /* block-ack parameters */
1282 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1283 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1284 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1285 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1286 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1289 * A-PMDU buffer sizes
1290 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1292 #define IEEE80211_MIN_AMPDU_BUF 0x8
1293 #define IEEE80211_MAX_AMPDU_BUF 0x40
1296 /* Spatial Multiplexing Power Save Modes (for capability) */
1297 #define WLAN_HT_CAP_SM_PS_STATIC 0
1298 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1299 #define WLAN_HT_CAP_SM_PS_INVALID 2
1300 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1302 /* for SM power control field lower two bits */
1303 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1304 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1305 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1308 * struct ieee80211_vht_mcs_info - VHT MCS information
1309 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1310 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1311 * STA can receive. Rate expressed in units of 1 Mbps.
1312 * If this field is 0 this value should not be used to
1313 * consider the highest RX data rate supported.
1314 * The top 3 bits of this field are reserved.
1315 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1316 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1317 * STA can transmit. Rate expressed in units of 1 Mbps.
1318 * If this field is 0 this value should not be used to
1319 * consider the highest TX data rate supported.
1320 * The top 3 bits of this field are reserved.
1322 struct ieee80211_vht_mcs_info {
1330 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1331 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1333 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1334 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1335 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1337 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1338 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1339 * both split into 8 subfields by number of streams. These values indicate
1340 * which MCSes are supported for the number of streams the value appears
1343 enum ieee80211_vht_mcs_support {
1344 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1345 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1346 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1347 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1351 * struct ieee80211_vht_cap - VHT capabilities
1353 * This structure is the "VHT capabilities element" as
1354 * described in 802.11ac D3.0 8.4.2.160
1355 * @vht_cap_info: VHT capability info
1356 * @supp_mcs: VHT MCS supported rates
1358 struct ieee80211_vht_cap {
1359 __le32 vht_cap_info;
1360 struct ieee80211_vht_mcs_info supp_mcs;
1364 * enum ieee80211_vht_chanwidth - VHT channel width
1365 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1366 * determine the channel width (20 or 40 MHz)
1367 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1368 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1369 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1371 enum ieee80211_vht_chanwidth {
1372 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1373 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1374 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1375 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1379 * struct ieee80211_vht_operation - VHT operation IE
1381 * This structure is the "VHT operation element" as
1382 * described in 802.11ac D3.0 8.4.2.161
1383 * @chan_width: Operating channel width
1384 * @center_freq_seg1_idx: center freq segment 1 index
1385 * @center_freq_seg2_idx: center freq segment 2 index
1386 * @basic_mcs_set: VHT Basic MCS rate set
1388 struct ieee80211_vht_operation {
1390 u8 center_freq_seg1_idx;
1391 u8 center_freq_seg2_idx;
1392 __le16 basic_mcs_set;
1396 /* 802.11ac VHT Capabilities */
1397 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1398 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1399 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1400 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1401 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1402 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1403 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1404 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1405 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1406 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1407 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1408 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1409 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1410 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1411 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1412 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1413 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1414 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000
1415 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1416 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1417 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1418 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1419 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1420 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1421 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1422 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1423 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1424 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1425 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1427 /* Authentication algorithms */
1428 #define WLAN_AUTH_OPEN 0
1429 #define WLAN_AUTH_SHARED_KEY 1
1430 #define WLAN_AUTH_FT 2
1431 #define WLAN_AUTH_SAE 3
1432 #define WLAN_AUTH_LEAP 128
1434 #define WLAN_AUTH_CHALLENGE_LEN 128
1436 #define WLAN_CAPABILITY_ESS (1<<0)
1437 #define WLAN_CAPABILITY_IBSS (1<<1)
1440 * A mesh STA sets the ESS and IBSS capability bits to zero.
1441 * however, this holds true for p2p probe responses (in the p2p_find
1444 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1445 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1447 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1448 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1449 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1450 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1451 #define WLAN_CAPABILITY_PBCC (1<<6)
1452 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1455 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1456 #define WLAN_CAPABILITY_QOS (1<<9)
1457 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1458 #define WLAN_CAPABILITY_APSD (1<<11)
1459 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1460 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1461 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1462 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1464 /* DMG (60gHz) 802.11ad */
1465 /* type - bits 0..1 */
1466 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1467 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1468 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1469 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1471 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1472 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1473 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1474 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1476 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1477 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1480 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1481 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1482 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1484 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1485 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1486 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1488 /* 802.11g ERP information element */
1489 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1490 #define WLAN_ERP_USE_PROTECTION (1<<1)
1491 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1493 /* WLAN_ERP_BARKER_PREAMBLE values */
1495 WLAN_ERP_PREAMBLE_SHORT = 0,
1496 WLAN_ERP_PREAMBLE_LONG = 1,
1499 /* Band ID, 802.11ad #8.4.1.45 */
1501 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1502 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1503 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1504 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1505 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1506 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1510 enum ieee80211_statuscode {
1511 WLAN_STATUS_SUCCESS = 0,
1512 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1513 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1514 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1515 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1516 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1517 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1518 WLAN_STATUS_CHALLENGE_FAIL = 15,
1519 WLAN_STATUS_AUTH_TIMEOUT = 16,
1520 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1521 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1523 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1524 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1525 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1527 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1528 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1529 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1531 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1532 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1534 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1535 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1537 WLAN_STATUS_INVALID_IE = 40,
1538 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1539 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1540 WLAN_STATUS_INVALID_AKMP = 43,
1541 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1542 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1543 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1545 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1546 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1547 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1548 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1549 WLAN_STATUS_REQUEST_DECLINED = 37,
1550 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1551 WLAN_STATUS_CHANGE_TSPEC = 39,
1552 WLAN_STATUS_WAIT_TS_DELAY = 47,
1553 WLAN_STATUS_NO_DIRECT_LINK = 48,
1554 WLAN_STATUS_STA_NOT_PRESENT = 49,
1555 WLAN_STATUS_STA_NOT_QSTA = 50,
1557 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1558 WLAN_STATUS_FCG_NOT_SUPP = 78,
1559 WLAN_STATUS_STA_NO_TBTT = 78,
1561 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1562 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1563 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1564 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1565 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1566 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1567 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1568 WLAN_STATUS_REJECT_DSE_BAND = 96,
1569 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1570 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1575 enum ieee80211_reasoncode {
1576 WLAN_REASON_UNSPECIFIED = 1,
1577 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1578 WLAN_REASON_DEAUTH_LEAVING = 3,
1579 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1580 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1581 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1582 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1583 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1584 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1586 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1587 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1589 WLAN_REASON_INVALID_IE = 13,
1590 WLAN_REASON_MIC_FAILURE = 14,
1591 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1592 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1593 WLAN_REASON_IE_DIFFERENT = 17,
1594 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1595 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1596 WLAN_REASON_INVALID_AKMP = 20,
1597 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1598 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1599 WLAN_REASON_IEEE8021X_FAILED = 23,
1600 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1602 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1603 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1604 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1605 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1606 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1607 WLAN_REASON_QSTA_NOT_USE = 37,
1608 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1609 WLAN_REASON_QSTA_TIMEOUT = 39,
1610 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1612 WLAN_REASON_MESH_PEER_CANCELED = 52,
1613 WLAN_REASON_MESH_MAX_PEERS = 53,
1614 WLAN_REASON_MESH_CONFIG = 54,
1615 WLAN_REASON_MESH_CLOSE = 55,
1616 WLAN_REASON_MESH_MAX_RETRIES = 56,
1617 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1618 WLAN_REASON_MESH_INVALID_GTK = 58,
1619 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1620 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1621 WLAN_REASON_MESH_PATH_ERROR = 61,
1622 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1623 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1624 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1625 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1626 WLAN_REASON_MESH_CHAN = 66,
1630 /* Information Element IDs */
1631 enum ieee80211_eid {
1633 WLAN_EID_SUPP_RATES = 1,
1634 WLAN_EID_FH_PARAMS = 2,
1635 WLAN_EID_DS_PARAMS = 3,
1636 WLAN_EID_CF_PARAMS = 4,
1638 WLAN_EID_IBSS_PARAMS = 6,
1639 WLAN_EID_CHALLENGE = 16,
1641 WLAN_EID_COUNTRY = 7,
1642 WLAN_EID_HP_PARAMS = 8,
1643 WLAN_EID_HP_TABLE = 9,
1644 WLAN_EID_REQUEST = 10,
1646 WLAN_EID_QBSS_LOAD = 11,
1647 WLAN_EID_EDCA_PARAM_SET = 12,
1648 WLAN_EID_TSPEC = 13,
1649 WLAN_EID_TCLAS = 14,
1650 WLAN_EID_SCHEDULE = 15,
1651 WLAN_EID_TS_DELAY = 43,
1652 WLAN_EID_TCLAS_PROCESSING = 44,
1653 WLAN_EID_QOS_CAPA = 46,
1655 WLAN_EID_LINK_ID = 101,
1657 WLAN_EID_MESH_CONFIG = 113,
1658 WLAN_EID_MESH_ID = 114,
1659 WLAN_EID_LINK_METRIC_REPORT = 115,
1660 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1661 WLAN_EID_PEER_MGMT = 117,
1662 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1663 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1664 WLAN_EID_BEACON_TIMING = 120,
1665 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1666 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1667 WLAN_EID_MCCAOP_ADVERT = 123,
1668 WLAN_EID_MCCAOP_TEARDOWN = 124,
1669 WLAN_EID_GANN = 125,
1670 WLAN_EID_RANN = 126,
1671 WLAN_EID_PREQ = 130,
1672 WLAN_EID_PREP = 131,
1673 WLAN_EID_PERR = 132,
1675 WLAN_EID_PXUC = 138,
1676 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1679 WLAN_EID_PWR_CONSTRAINT = 32,
1680 WLAN_EID_PWR_CAPABILITY = 33,
1681 WLAN_EID_TPC_REQUEST = 34,
1682 WLAN_EID_TPC_REPORT = 35,
1683 WLAN_EID_SUPPORTED_CHANNELS = 36,
1684 WLAN_EID_CHANNEL_SWITCH = 37,
1685 WLAN_EID_MEASURE_REQUEST = 38,
1686 WLAN_EID_MEASURE_REPORT = 39,
1687 WLAN_EID_QUIET = 40,
1688 WLAN_EID_IBSS_DFS = 41,
1690 WLAN_EID_ERP_INFO = 42,
1691 WLAN_EID_EXT_SUPP_RATES = 50,
1693 WLAN_EID_HT_CAPABILITY = 45,
1694 WLAN_EID_HT_OPERATION = 61,
1695 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1699 WLAN_EID_VENDOR_SPECIFIC = 221,
1700 WLAN_EID_QOS_PARAMETER = 222,
1702 WLAN_EID_AP_CHAN_REPORT = 51,
1703 WLAN_EID_NEIGHBOR_REPORT = 52,
1705 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1706 WLAN_EID_ANTENNA_INFO = 64,
1708 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1709 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1710 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1711 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1712 WLAN_EID_MULTIPLE_BSSID = 71,
1713 WLAN_EID_BSS_COEX_2040 = 72,
1714 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1715 WLAN_EID_EXT_CAPABILITY = 127,
1717 WLAN_EID_MOBILITY_DOMAIN = 54,
1718 WLAN_EID_FAST_BSS_TRANSITION = 55,
1719 WLAN_EID_TIMEOUT_INTERVAL = 56,
1720 WLAN_EID_RIC_DATA = 57,
1721 WLAN_EID_RIC_DESCRIPTOR = 75,
1723 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1724 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1725 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1727 WLAN_EID_VHT_CAPABILITY = 191,
1728 WLAN_EID_VHT_OPERATION = 192,
1729 WLAN_EID_OPMODE_NOTIF = 199,
1730 WLAN_EID_WIDE_BW_CHANNEL_SWITCH = 194,
1731 WLAN_EID_CHANNEL_SWITCH_WRAPPER = 196,
1734 WLAN_EID_NON_TX_BSSID_CAP = 83,
1735 WLAN_EID_WAKEUP_SCHEDULE = 143,
1736 WLAN_EID_EXT_SCHEDULE = 144,
1737 WLAN_EID_STA_AVAILABILITY = 145,
1738 WLAN_EID_DMG_TSPEC = 146,
1739 WLAN_EID_DMG_AT = 147,
1740 WLAN_EID_DMG_CAP = 148,
1741 WLAN_EID_DMG_OPERATION = 151,
1742 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1743 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1744 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1745 WLAN_EID_AWAKE_WINDOW = 157,
1746 WLAN_EID_MULTI_BAND = 158,
1747 WLAN_EID_ADDBA_EXT = 159,
1748 WLAN_EID_NEXT_PCP_LIST = 160,
1749 WLAN_EID_PCP_HANDOVER = 161,
1750 WLAN_EID_DMG_LINK_MARGIN = 162,
1751 WLAN_EID_SWITCHING_STREAM = 163,
1752 WLAN_EID_SESSION_TRANSITION = 164,
1753 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1754 WLAN_EID_CLUSTER_REPORT = 166,
1755 WLAN_EID_RELAY_CAP = 167,
1756 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1757 WLAN_EID_BEAM_LINK_MAINT = 169,
1758 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1759 WLAN_EID_U_PID = 171,
1760 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1761 WLAN_EID_QUIET_PERIOD_REQ = 175,
1762 WLAN_EID_QUIET_PERIOD_RESP = 177,
1763 WLAN_EID_EPAC_POLICY = 182,
1764 WLAN_EID_CLISTER_TIME_OFF = 183,
1765 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1768 /* Action category code */
1769 enum ieee80211_category {
1770 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1771 WLAN_CATEGORY_QOS = 1,
1772 WLAN_CATEGORY_DLS = 2,
1773 WLAN_CATEGORY_BACK = 3,
1774 WLAN_CATEGORY_PUBLIC = 4,
1775 WLAN_CATEGORY_HT = 7,
1776 WLAN_CATEGORY_SA_QUERY = 8,
1777 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1778 WLAN_CATEGORY_TDLS = 12,
1779 WLAN_CATEGORY_MESH_ACTION = 13,
1780 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1781 WLAN_CATEGORY_SELF_PROTECTED = 15,
1782 WLAN_CATEGORY_DMG = 16,
1783 WLAN_CATEGORY_WMM = 17,
1784 WLAN_CATEGORY_FST = 18,
1785 WLAN_CATEGORY_UNPROT_DMG = 20,
1786 WLAN_CATEGORY_VHT = 21,
1787 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1788 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1791 /* SPECTRUM_MGMT action code */
1792 enum ieee80211_spectrum_mgmt_actioncode {
1793 WLAN_ACTION_SPCT_MSR_REQ = 0,
1794 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1795 WLAN_ACTION_SPCT_TPC_REQ = 2,
1796 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1797 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1800 /* HT action codes */
1801 enum ieee80211_ht_actioncode {
1802 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1803 WLAN_HT_ACTION_SMPS = 1,
1804 WLAN_HT_ACTION_PSMP = 2,
1805 WLAN_HT_ACTION_PCO_PHASE = 3,
1806 WLAN_HT_ACTION_CSI = 4,
1807 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1808 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1809 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1812 /* VHT action codes */
1813 enum ieee80211_vht_actioncode {
1814 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1815 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1816 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1819 /* Self Protected Action codes */
1820 enum ieee80211_self_protected_actioncode {
1821 WLAN_SP_RESERVED = 0,
1822 WLAN_SP_MESH_PEERING_OPEN = 1,
1823 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1824 WLAN_SP_MESH_PEERING_CLOSE = 3,
1825 WLAN_SP_MGK_INFORM = 4,
1826 WLAN_SP_MGK_ACK = 5,
1829 /* Mesh action codes */
1830 enum ieee80211_mesh_actioncode {
1831 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1832 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1833 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1834 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1835 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1836 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1837 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1838 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1839 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1840 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1841 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1844 /* Security key length */
1845 enum ieee80211_key_len {
1846 WLAN_KEY_LEN_WEP40 = 5,
1847 WLAN_KEY_LEN_WEP104 = 13,
1848 WLAN_KEY_LEN_CCMP = 16,
1849 WLAN_KEY_LEN_TKIP = 32,
1850 WLAN_KEY_LEN_AES_CMAC = 16,
1853 #define IEEE80211_WEP_IV_LEN 4
1854 #define IEEE80211_WEP_ICV_LEN 4
1855 #define IEEE80211_CCMP_HDR_LEN 8
1856 #define IEEE80211_CCMP_MIC_LEN 8
1857 #define IEEE80211_CCMP_PN_LEN 6
1858 #define IEEE80211_TKIP_IV_LEN 8
1859 #define IEEE80211_TKIP_ICV_LEN 4
1860 #define IEEE80211_CMAC_PN_LEN 6
1862 /* Public action codes */
1863 enum ieee80211_pub_actioncode {
1864 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1865 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1868 /* TDLS action codes */
1869 enum ieee80211_tdls_actioncode {
1870 WLAN_TDLS_SETUP_REQUEST = 0,
1871 WLAN_TDLS_SETUP_RESPONSE = 1,
1872 WLAN_TDLS_SETUP_CONFIRM = 2,
1873 WLAN_TDLS_TEARDOWN = 3,
1874 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1875 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1876 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1877 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1878 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1879 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1880 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1884 * TDLS capabililites to be enabled in the 5th byte of the
1885 * @WLAN_EID_EXT_CAPABILITY information element
1887 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1888 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1890 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1892 /* TDLS specific payload type in the LLC/SNAP header */
1893 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1896 * enum - mesh synchronization method identifier
1898 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1899 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1900 * that will be specified in a vendor specific information element
1903 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1904 IEEE80211_SYNC_METHOD_VENDOR = 255,
1908 * enum - mesh path selection protocol identifier
1910 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1911 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1912 * be specified in a vendor specific information element
1915 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1916 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1920 * enum - mesh path selection metric identifier
1922 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1923 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1924 * specified in a vendor specific information element
1927 IEEE80211_PATH_METRIC_AIRTIME = 1,
1928 IEEE80211_PATH_METRIC_VENDOR = 255,
1932 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1934 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1936 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1937 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1939 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1940 * the proactive PREQ with proactive PREP subfield set to 0
1941 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1942 * supports the proactive PREQ with proactive PREP subfield set to 1
1943 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1944 * the proactive RANN
1946 enum ieee80211_root_mode_identifier {
1947 IEEE80211_ROOTMODE_NO_ROOT = 0,
1948 IEEE80211_ROOTMODE_ROOT = 1,
1949 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1950 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1951 IEEE80211_PROACTIVE_RANN = 4,
1955 * IEEE 802.11-2007 7.3.2.9 Country information element
1957 * Minimum length is 8 octets, ie len must be evenly
1961 /* Although the spec says 8 I'm seeing 6 in practice */
1962 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1964 /* The Country String field of the element shall be 3 octets in length */
1965 #define IEEE80211_COUNTRY_STRING_LEN 3
1968 * For regulatory extension stuff see IEEE 802.11-2007
1969 * Annex I (page 1141) and Annex J (page 1147). Also
1972 * When dot11RegulatoryClassesRequired is true and the
1973 * first_channel/reg_extension_id is >= 201 then the IE
1974 * compromises of the 'ext' struct represented below:
1976 * - Regulatory extension ID - when generating IE this just needs
1977 * to be monotonically increasing for each triplet passed in
1979 * - Regulatory class - index into set of rules
1980 * - Coverage class - index into air propagation time (Table 7-27),
1981 * in microseconds, you can compute the air propagation time from
1982 * the index by multiplying by 3, so index 10 yields a propagation
1983 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1984 * yet. A value of 0 inicates air propagation of <= 1 us.
1986 * See also Table I.2 for Emission limit sets and table
1987 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1988 * a reg_class to an emission limit set and behavior limit set.
1990 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1993 * Channels numbers in the IE must be monotonically increasing
1994 * if dot11RegulatoryClassesRequired is not true.
1996 * If dot11RegulatoryClassesRequired is true consecutive
1997 * subband triplets following a regulatory triplet shall
1998 * have monotonically increasing first_channel number fields.
2000 * Channel numbers shall not overlap.
2002 * Note that max_power is signed.
2004 struct ieee80211_country_ie_triplet {
2012 u8 reg_extension_id;
2019 enum ieee80211_timeout_interval_type {
2020 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2021 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2022 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2026 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2027 * @type: type, see &enum ieee80211_timeout_interval_type
2028 * @value: timeout interval value
2030 struct ieee80211_timeout_interval_ie {
2035 /* BACK action code */
2036 enum ieee80211_back_actioncode {
2037 WLAN_ACTION_ADDBA_REQ = 0,
2038 WLAN_ACTION_ADDBA_RESP = 1,
2039 WLAN_ACTION_DELBA = 2,
2042 /* BACK (block-ack) parties */
2043 enum ieee80211_back_parties {
2044 WLAN_BACK_RECIPIENT = 0,
2045 WLAN_BACK_INITIATOR = 1,
2048 /* SA Query action */
2049 enum ieee80211_sa_query_action {
2050 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2051 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2055 /* cipher suite selectors */
2056 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2057 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2058 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2059 /* reserved: 0x000FAC03 */
2060 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2061 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2062 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2063 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2065 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2067 /* AKM suite selectors */
2068 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2069 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2070 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2071 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2073 #define WLAN_MAX_KEY_LEN 32
2075 #define WLAN_PMKID_LEN 16
2077 #define WLAN_OUI_WFA 0x506f9a
2078 #define WLAN_OUI_TYPE_WFA_P2P 9
2079 #define WLAN_OUI_MICROSOFT 0x0050f2
2080 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2081 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2082 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2085 * WMM/802.11e Tspec Element
2087 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2088 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2090 enum ieee80211_tspec_status_code {
2091 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2092 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2095 struct ieee80211_tspec_ie {
2104 __le16 nominal_msdu;
2106 __le32 min_service_int;
2107 __le32 max_service_int;
2108 __le32 inactivity_int;
2109 __le32 suspension_int;
2110 __le32 service_start_time;
2111 __le32 min_data_rate;
2112 __le32 mean_data_rate;
2113 __le32 peak_data_rate;
2114 __le32 max_burst_size;
2116 __le32 min_phy_rate;
2122 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2125 * The qos ctrl bytes come after the frame_control, duration, seq_num
2126 * and 3 or 4 addresses of length ETH_ALEN.
2127 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2128 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2130 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2132 if (ieee80211_has_a4(hdr->frame_control))
2133 return (u8 *)hdr + 30;
2135 return (u8 *)hdr + 24;
2139 * ieee80211_get_SA - get pointer to SA
2142 * Given an 802.11 frame, this function returns the offset
2143 * to the source address (SA). It does not verify that the
2144 * header is long enough to contain the address, and the
2145 * header must be long enough to contain the frame control
2148 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2150 if (ieee80211_has_a4(hdr->frame_control))
2152 if (ieee80211_has_fromds(hdr->frame_control))
2158 * ieee80211_get_DA - get pointer to DA
2161 * Given an 802.11 frame, this function returns the offset
2162 * to the destination address (DA). It does not verify that
2163 * the header is long enough to contain the address, and the
2164 * header must be long enough to contain the frame control
2167 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2169 if (ieee80211_has_tods(hdr->frame_control))
2176 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2177 * @hdr: the frame (buffer must include at least the first octet of payload)
2179 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2181 if (ieee80211_is_disassoc(hdr->frame_control) ||
2182 ieee80211_is_deauth(hdr->frame_control))
2185 if (ieee80211_is_action(hdr->frame_control)) {
2189 * Action frames, excluding Public Action frames, are Robust
2190 * Management Frames. However, if we are looking at a Protected
2191 * frame, skip the check since the data may be encrypted and
2192 * the frame has already been found to be a Robust Management
2193 * Frame (by the other end).
2195 if (ieee80211_has_protected(hdr->frame_control))
2197 category = ((u8 *) hdr) + 24;
2198 return *category != WLAN_CATEGORY_PUBLIC &&
2199 *category != WLAN_CATEGORY_HT &&
2200 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2201 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2208 * ieee80211_is_public_action - check if frame is a public action frame
2210 * @len: length of the frame
2212 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2215 struct ieee80211_mgmt *mgmt = (void *)hdr;
2217 if (len < IEEE80211_MIN_ACTION_SIZE)
2219 if (!ieee80211_is_action(hdr->frame_control))
2221 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2225 * ieee80211_dsss_chan_to_freq - get channel center frequency
2226 * @channel: the DSSS channel
2228 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2229 * Ref IEEE 802.11-2007 section 15.6
2231 static inline int ieee80211_dsss_chan_to_freq(int channel)
2233 if ((channel > 0) && (channel < 14))
2234 return 2407 + (channel * 5);
2235 else if (channel == 14)
2242 * ieee80211_freq_to_dsss_chan - get channel
2243 * @freq: the frequency
2245 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2246 * Ref IEEE 802.11-2007 section 15.6
2248 * This routine selects the channel with the closest center frequency.
2250 static inline int ieee80211_freq_to_dsss_chan(int freq)
2252 if ((freq >= 2410) && (freq < 2475))
2253 return (freq - 2405) / 5;
2254 else if ((freq >= 2482) && (freq < 2487))
2261 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2264 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2270 * ieee80211_check_tim - check if AID bit is set in TIM
2272 * @tim_len: length of the TIM IE
2273 * @aid: the AID to look for
2275 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2276 u8 tim_len, u16 aid)
2279 u8 indexn0, indexn1, indexn2;
2281 if (unlikely(!tim || tim_len < sizeof(*tim)))
2286 mask = 1 << (aid & 7);
2288 indexn1 = tim->bitmap_ctrl & 0xfe;
2289 indexn2 = tim_len + indexn1 - 4;
2291 if (indexn0 < indexn1 || indexn0 > indexn2)
2296 return !!(tim->virtual_map[indexn0] & mask);
2299 #endif /* __LINUX_IEEE80211_H */