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_tim
708 * This structure refers to "Traffic Indication Map information element"
710 struct ieee80211_tim_ie {
714 /* variable size: 1 - 251 bytes */
719 * struct ieee80211_meshconf_ie
721 * This structure refers to "Mesh Configuration information element"
723 struct ieee80211_meshconf_ie {
734 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
736 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
737 * additional mesh peerings with other mesh STAs
738 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
739 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
742 enum mesh_config_capab_flags {
743 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
744 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
745 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
749 * struct ieee80211_rann_ie
751 * This structure refers to "Root Announcement information element"
753 struct ieee80211_rann_ie {
759 __le32 rann_interval;
763 enum ieee80211_rann_flags {
764 RANN_FLAG_IS_GATE = 1 << 0,
767 enum ieee80211_ht_chanwidth_values {
768 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
769 IEEE80211_HT_CHANWIDTH_ANY = 1,
773 * enum ieee80211_opmode_bits - VHT operating mode field bits
774 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK: channel width mask
775 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ: 20 MHz channel width
776 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ: 40 MHz channel width
777 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ: 80 MHz channel width
778 * @IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ: 160 MHz or 80+80 MHz channel width
779 * @IEEE80211_OPMODE_NOTIF_RX_NSS_MASK: number of spatial streams mask
780 * (the NSS value is the value of this field + 1)
781 * @IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT: number of spatial streams shift
782 * @IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF: indicates streams in SU-MIMO PPDU
783 * using a beamforming steering matrix
785 enum ieee80211_vht_opmode_bits {
786 IEEE80211_OPMODE_NOTIF_CHANWIDTH_MASK = 3,
787 IEEE80211_OPMODE_NOTIF_CHANWIDTH_20MHZ = 0,
788 IEEE80211_OPMODE_NOTIF_CHANWIDTH_40MHZ = 1,
789 IEEE80211_OPMODE_NOTIF_CHANWIDTH_80MHZ = 2,
790 IEEE80211_OPMODE_NOTIF_CHANWIDTH_160MHZ = 3,
791 IEEE80211_OPMODE_NOTIF_RX_NSS_MASK = 0x70,
792 IEEE80211_OPMODE_NOTIF_RX_NSS_SHIFT = 4,
793 IEEE80211_OPMODE_NOTIF_RX_NSS_TYPE_BF = 0x80,
796 #define WLAN_SA_QUERY_TR_ID_LEN 2
798 struct ieee80211_mgmt {
799 __le16 frame_control;
808 __le16 auth_transaction;
810 /* possibly followed by Challenge text */
818 __le16 listen_interval;
819 /* followed by SSID and Supported rates */
821 } __packed assoc_req;
826 /* followed by Supported rates */
828 } __packed assoc_resp, reassoc_resp;
831 __le16 listen_interval;
833 /* followed by SSID and Supported rates */
835 } __packed reassoc_req;
843 /* followed by some of SSID, Supported rates,
844 * FH Params, DS Params, CF Params, IBSS Params, TIM */
848 /* only variable items: SSID, Supported rates */
850 } __packed probe_req;
855 /* followed by some of SSID, Supported rates,
856 * FH Params, DS Params, CF Params, IBSS Params */
858 } __packed probe_resp;
867 } __packed wme_action;
871 } __packed chan_switch;
874 struct ieee80211_ext_chansw_ie data;
876 } __packed ext_chan_switch;
882 struct ieee80211_msrment_ie msr_elem;
883 } __packed measurement;
889 __le16 start_seq_num;
890 } __packed addba_req;
897 } __packed addba_resp;
906 } __packed self_prot;
910 } __packed mesh_action;
913 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
922 } __packed ht_notify_cw;
928 } __packed tdls_discover_resp;
932 } __packed vht_opmode_notif;
936 } __packed __aligned(2);
938 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
939 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
941 /* mgmt header + 1 byte category code */
942 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
945 /* Management MIC information element (IEEE 802.11w) */
946 struct ieee80211_mmie {
950 u8 sequence_number[6];
954 struct ieee80211_vendor_ie {
962 struct ieee80211_rts {
963 __le16 frame_control;
967 } __packed __aligned(2);
969 struct ieee80211_cts {
970 __le16 frame_control;
973 } __packed __aligned(2);
975 struct ieee80211_pspoll {
976 __le16 frame_control;
980 } __packed __aligned(2);
984 /* Link-id information element */
985 struct ieee80211_tdls_lnkie {
986 u8 ie_type; /* Link Identifier IE */
993 struct ieee80211_tdls_data {
1005 } __packed setup_req;
1011 } __packed setup_resp;
1016 } __packed setup_cfm;
1020 } __packed teardown;
1024 } __packed discover_req;
1029 * Peer-to-Peer IE attribute related definitions.
1032 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
1034 enum ieee80211_p2p_attr_id {
1035 IEEE80211_P2P_ATTR_STATUS = 0,
1036 IEEE80211_P2P_ATTR_MINOR_REASON,
1037 IEEE80211_P2P_ATTR_CAPABILITY,
1038 IEEE80211_P2P_ATTR_DEVICE_ID,
1039 IEEE80211_P2P_ATTR_GO_INTENT,
1040 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
1041 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
1042 IEEE80211_P2P_ATTR_GROUP_BSSID,
1043 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
1044 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
1045 IEEE80211_P2P_ATTR_MANAGABILITY,
1046 IEEE80211_P2P_ATTR_CHANNEL_LIST,
1047 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
1048 IEEE80211_P2P_ATTR_DEVICE_INFO,
1049 IEEE80211_P2P_ATTR_GROUP_INFO,
1050 IEEE80211_P2P_ATTR_GROUP_ID,
1051 IEEE80211_P2P_ATTR_INTERFACE,
1052 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1053 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1054 /* 19 - 220: Reserved */
1055 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1057 IEEE80211_P2P_ATTR_MAX
1060 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1061 /* Typical max value used here */
1062 #define IEEE80211_P2P_NOA_DESC_MAX 4
1064 struct ieee80211_p2p_noa_desc {
1071 struct ieee80211_p2p_noa_attr {
1074 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1077 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1078 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1081 * struct ieee80211_bar - HT Block Ack Request
1083 * This structure refers to "HT BlockAckReq" as
1084 * described in 802.11n draft section 7.2.1.7.1
1086 struct ieee80211_bar {
1087 __le16 frame_control;
1092 __le16 start_seq_num;
1093 } __packed __aligned(4);
1095 /* 802.11 BA(R) control masks */
1096 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1097 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1098 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1099 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1100 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1103 * struct ieee80211_ba - HT Block Ack
1105 * This structure refers to "HT BlockAck" as
1106 * described in 802.11n draft section 7.2.1.8.1
1108 struct ieee80211_ba {
1109 __le16 frame_control;
1115 __le16 start_seq_num;
1119 #define IEEE80211_HT_MCS_MASK_LEN 10
1122 * struct ieee80211_mcs_info - MCS information
1124 * @rx_highest: highest supported RX rate. If set represents
1125 * the highest supported RX data rate in units of 1 Mbps.
1126 * If this field is 0 this value should not be used to
1127 * consider the highest RX data rate supported.
1128 * @tx_params: TX parameters
1130 struct ieee80211_mcs_info {
1131 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1137 /* 802.11n HT capability MSC set */
1138 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1139 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1140 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1141 /* value 0 == 1 stream etc */
1142 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1143 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1144 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1145 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1148 * 802.11n D5.0 20.3.5 / 20.6 says:
1149 * - indices 0 to 7 and 32 are single spatial stream
1150 * - 8 to 31 are multiple spatial streams using equal modulation
1151 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1152 * - remainder are multiple spatial streams using unequal modulation
1154 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1155 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1156 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1159 * struct ieee80211_ht_cap - HT capabilities
1161 * This structure is the "HT capabilities element" as
1162 * described in 802.11n D5.0 7.3.2.57
1164 struct ieee80211_ht_cap {
1166 u8 ampdu_params_info;
1168 /* 16 bytes MCS information */
1169 struct ieee80211_mcs_info mcs;
1171 __le16 extended_ht_cap_info;
1172 __le32 tx_BF_cap_info;
1173 u8 antenna_selection_info;
1176 /* 802.11n HT capabilities masks (for cap_info) */
1177 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1178 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1179 #define IEEE80211_HT_CAP_SM_PS 0x000C
1180 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1181 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1182 #define IEEE80211_HT_CAP_SGI_20 0x0020
1183 #define IEEE80211_HT_CAP_SGI_40 0x0040
1184 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1185 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1186 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1187 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1188 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1189 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1190 #define IEEE80211_HT_CAP_RESERVED 0x2000
1191 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1192 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1194 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1195 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1196 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1197 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1198 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1199 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1200 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1201 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1203 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1204 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1205 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1206 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1209 * Maximum length of AMPDU that the STA can receive.
1210 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1212 enum ieee80211_max_ampdu_length_exp {
1213 IEEE80211_HT_MAX_AMPDU_8K = 0,
1214 IEEE80211_HT_MAX_AMPDU_16K = 1,
1215 IEEE80211_HT_MAX_AMPDU_32K = 2,
1216 IEEE80211_HT_MAX_AMPDU_64K = 3
1219 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1221 /* Minimum MPDU start spacing */
1222 enum ieee80211_min_mpdu_spacing {
1223 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1224 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1225 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1226 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1227 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1228 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1229 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1230 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1234 * struct ieee80211_ht_operation - HT operation IE
1236 * This structure is the "HT operation element" as
1237 * described in 802.11n-2009 7.3.2.57
1239 struct ieee80211_ht_operation {
1242 __le16 operation_mode;
1248 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1249 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1250 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1251 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1252 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1253 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1255 /* for operation_mode */
1256 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1257 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1258 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1259 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1260 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1261 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1262 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1264 /* for stbc_param */
1265 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1266 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1267 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1268 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1269 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1270 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1273 /* block-ack parameters */
1274 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1275 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1276 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1277 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1278 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1281 * A-PMDU buffer sizes
1282 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1284 #define IEEE80211_MIN_AMPDU_BUF 0x8
1285 #define IEEE80211_MAX_AMPDU_BUF 0x40
1288 /* Spatial Multiplexing Power Save Modes (for capability) */
1289 #define WLAN_HT_CAP_SM_PS_STATIC 0
1290 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1291 #define WLAN_HT_CAP_SM_PS_INVALID 2
1292 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1294 /* for SM power control field lower two bits */
1295 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1296 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1297 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1300 * struct ieee80211_vht_mcs_info - VHT MCS information
1301 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1302 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1303 * STA can receive. Rate expressed in units of 1 Mbps.
1304 * If this field is 0 this value should not be used to
1305 * consider the highest RX data rate supported.
1306 * The top 3 bits of this field are reserved.
1307 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1308 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1309 * STA can transmit. Rate expressed in units of 1 Mbps.
1310 * If this field is 0 this value should not be used to
1311 * consider the highest TX data rate supported.
1312 * The top 3 bits of this field are reserved.
1314 struct ieee80211_vht_mcs_info {
1322 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1323 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1325 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1326 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1327 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1329 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1330 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1331 * both split into 8 subfields by number of streams. These values indicate
1332 * which MCSes are supported for the number of streams the value appears
1335 enum ieee80211_vht_mcs_support {
1336 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1337 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1338 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1339 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1343 * struct ieee80211_vht_cap - VHT capabilities
1345 * This structure is the "VHT capabilities element" as
1346 * described in 802.11ac D3.0 8.4.2.160
1347 * @vht_cap_info: VHT capability info
1348 * @supp_mcs: VHT MCS supported rates
1350 struct ieee80211_vht_cap {
1351 __le32 vht_cap_info;
1352 struct ieee80211_vht_mcs_info supp_mcs;
1356 * enum ieee80211_vht_chanwidth - VHT channel width
1357 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1358 * determine the channel width (20 or 40 MHz)
1359 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1360 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1361 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1363 enum ieee80211_vht_chanwidth {
1364 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1365 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1366 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1367 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1371 * struct ieee80211_vht_operation - VHT operation IE
1373 * This structure is the "VHT operation element" as
1374 * described in 802.11ac D3.0 8.4.2.161
1375 * @chan_width: Operating channel width
1376 * @center_freq_seg1_idx: center freq segment 1 index
1377 * @center_freq_seg2_idx: center freq segment 2 index
1378 * @basic_mcs_set: VHT Basic MCS rate set
1380 struct ieee80211_vht_operation {
1382 u8 center_freq_seg1_idx;
1383 u8 center_freq_seg2_idx;
1384 __le16 basic_mcs_set;
1388 /* 802.11ac VHT Capabilities */
1389 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1390 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1391 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1392 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1393 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1394 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1395 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1396 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1397 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1398 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1399 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1400 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1401 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1402 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1403 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1404 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1405 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1406 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000
1407 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1408 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1409 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1410 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1411 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1412 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1413 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1414 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1415 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1416 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1417 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1419 /* Authentication algorithms */
1420 #define WLAN_AUTH_OPEN 0
1421 #define WLAN_AUTH_SHARED_KEY 1
1422 #define WLAN_AUTH_FT 2
1423 #define WLAN_AUTH_SAE 3
1424 #define WLAN_AUTH_LEAP 128
1426 #define WLAN_AUTH_CHALLENGE_LEN 128
1428 #define WLAN_CAPABILITY_ESS (1<<0)
1429 #define WLAN_CAPABILITY_IBSS (1<<1)
1432 * A mesh STA sets the ESS and IBSS capability bits to zero.
1433 * however, this holds true for p2p probe responses (in the p2p_find
1436 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1437 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1439 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1440 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1441 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1442 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1443 #define WLAN_CAPABILITY_PBCC (1<<6)
1444 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1447 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1448 #define WLAN_CAPABILITY_QOS (1<<9)
1449 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1450 #define WLAN_CAPABILITY_APSD (1<<11)
1451 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1452 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1453 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1454 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1456 /* DMG (60gHz) 802.11ad */
1457 /* type - bits 0..1 */
1458 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1459 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1460 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1461 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1463 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1464 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1465 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1466 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1468 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1469 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1472 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1473 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1474 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1476 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1477 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1478 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1480 /* 802.11g ERP information element */
1481 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1482 #define WLAN_ERP_USE_PROTECTION (1<<1)
1483 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1485 /* WLAN_ERP_BARKER_PREAMBLE values */
1487 WLAN_ERP_PREAMBLE_SHORT = 0,
1488 WLAN_ERP_PREAMBLE_LONG = 1,
1491 /* Band ID, 802.11ad #8.4.1.45 */
1493 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1494 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1495 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1496 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1497 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1498 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1502 enum ieee80211_statuscode {
1503 WLAN_STATUS_SUCCESS = 0,
1504 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1505 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1506 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1507 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1508 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1509 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1510 WLAN_STATUS_CHALLENGE_FAIL = 15,
1511 WLAN_STATUS_AUTH_TIMEOUT = 16,
1512 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1513 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1515 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1516 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1517 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1519 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1520 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1521 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1523 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1524 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1526 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1527 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1529 WLAN_STATUS_INVALID_IE = 40,
1530 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1531 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1532 WLAN_STATUS_INVALID_AKMP = 43,
1533 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1534 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1535 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1537 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1538 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1539 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1540 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1541 WLAN_STATUS_REQUEST_DECLINED = 37,
1542 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1543 WLAN_STATUS_CHANGE_TSPEC = 39,
1544 WLAN_STATUS_WAIT_TS_DELAY = 47,
1545 WLAN_STATUS_NO_DIRECT_LINK = 48,
1546 WLAN_STATUS_STA_NOT_PRESENT = 49,
1547 WLAN_STATUS_STA_NOT_QSTA = 50,
1549 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1550 WLAN_STATUS_FCG_NOT_SUPP = 78,
1551 WLAN_STATUS_STA_NO_TBTT = 78,
1553 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1554 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1555 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1556 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1557 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1558 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1559 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1560 WLAN_STATUS_REJECT_DSE_BAND = 96,
1561 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1562 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1567 enum ieee80211_reasoncode {
1568 WLAN_REASON_UNSPECIFIED = 1,
1569 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1570 WLAN_REASON_DEAUTH_LEAVING = 3,
1571 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1572 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1573 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1574 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1575 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1576 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1578 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1579 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1581 WLAN_REASON_INVALID_IE = 13,
1582 WLAN_REASON_MIC_FAILURE = 14,
1583 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1584 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1585 WLAN_REASON_IE_DIFFERENT = 17,
1586 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1587 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1588 WLAN_REASON_INVALID_AKMP = 20,
1589 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1590 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1591 WLAN_REASON_IEEE8021X_FAILED = 23,
1592 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1594 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1595 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1596 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1597 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1598 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1599 WLAN_REASON_QSTA_NOT_USE = 37,
1600 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1601 WLAN_REASON_QSTA_TIMEOUT = 39,
1602 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1604 WLAN_REASON_MESH_PEER_CANCELED = 52,
1605 WLAN_REASON_MESH_MAX_PEERS = 53,
1606 WLAN_REASON_MESH_CONFIG = 54,
1607 WLAN_REASON_MESH_CLOSE = 55,
1608 WLAN_REASON_MESH_MAX_RETRIES = 56,
1609 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1610 WLAN_REASON_MESH_INVALID_GTK = 58,
1611 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1612 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1613 WLAN_REASON_MESH_PATH_ERROR = 61,
1614 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1615 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1616 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1617 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1618 WLAN_REASON_MESH_CHAN = 66,
1622 /* Information Element IDs */
1623 enum ieee80211_eid {
1625 WLAN_EID_SUPP_RATES = 1,
1626 WLAN_EID_FH_PARAMS = 2,
1627 WLAN_EID_DS_PARAMS = 3,
1628 WLAN_EID_CF_PARAMS = 4,
1630 WLAN_EID_IBSS_PARAMS = 6,
1631 WLAN_EID_CHALLENGE = 16,
1633 WLAN_EID_COUNTRY = 7,
1634 WLAN_EID_HP_PARAMS = 8,
1635 WLAN_EID_HP_TABLE = 9,
1636 WLAN_EID_REQUEST = 10,
1638 WLAN_EID_QBSS_LOAD = 11,
1639 WLAN_EID_EDCA_PARAM_SET = 12,
1640 WLAN_EID_TSPEC = 13,
1641 WLAN_EID_TCLAS = 14,
1642 WLAN_EID_SCHEDULE = 15,
1643 WLAN_EID_TS_DELAY = 43,
1644 WLAN_EID_TCLAS_PROCESSING = 44,
1645 WLAN_EID_QOS_CAPA = 46,
1647 WLAN_EID_LINK_ID = 101,
1649 WLAN_EID_MESH_CONFIG = 113,
1650 WLAN_EID_MESH_ID = 114,
1651 WLAN_EID_LINK_METRIC_REPORT = 115,
1652 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1653 WLAN_EID_PEER_MGMT = 117,
1654 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1655 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1656 WLAN_EID_BEACON_TIMING = 120,
1657 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1658 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1659 WLAN_EID_MCCAOP_ADVERT = 123,
1660 WLAN_EID_MCCAOP_TEARDOWN = 124,
1661 WLAN_EID_GANN = 125,
1662 WLAN_EID_RANN = 126,
1663 WLAN_EID_PREQ = 130,
1664 WLAN_EID_PREP = 131,
1665 WLAN_EID_PERR = 132,
1667 WLAN_EID_PXUC = 138,
1668 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1671 WLAN_EID_PWR_CONSTRAINT = 32,
1672 WLAN_EID_PWR_CAPABILITY = 33,
1673 WLAN_EID_TPC_REQUEST = 34,
1674 WLAN_EID_TPC_REPORT = 35,
1675 WLAN_EID_SUPPORTED_CHANNELS = 36,
1676 WLAN_EID_CHANNEL_SWITCH = 37,
1677 WLAN_EID_MEASURE_REQUEST = 38,
1678 WLAN_EID_MEASURE_REPORT = 39,
1679 WLAN_EID_QUIET = 40,
1680 WLAN_EID_IBSS_DFS = 41,
1682 WLAN_EID_ERP_INFO = 42,
1683 WLAN_EID_EXT_SUPP_RATES = 50,
1685 WLAN_EID_HT_CAPABILITY = 45,
1686 WLAN_EID_HT_OPERATION = 61,
1687 WLAN_EID_SECONDARY_CHANNEL_OFFSET = 62,
1691 WLAN_EID_VENDOR_SPECIFIC = 221,
1692 WLAN_EID_QOS_PARAMETER = 222,
1694 WLAN_EID_AP_CHAN_REPORT = 51,
1695 WLAN_EID_NEIGHBOR_REPORT = 52,
1697 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1698 WLAN_EID_ANTENNA_INFO = 64,
1700 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1701 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1702 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1703 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1704 WLAN_EID_MULTIPLE_BSSID = 71,
1705 WLAN_EID_BSS_COEX_2040 = 72,
1706 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1707 WLAN_EID_EXT_CAPABILITY = 127,
1709 WLAN_EID_MOBILITY_DOMAIN = 54,
1710 WLAN_EID_FAST_BSS_TRANSITION = 55,
1711 WLAN_EID_TIMEOUT_INTERVAL = 56,
1712 WLAN_EID_RIC_DATA = 57,
1713 WLAN_EID_RIC_DESCRIPTOR = 75,
1715 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1716 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1717 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1719 WLAN_EID_VHT_CAPABILITY = 191,
1720 WLAN_EID_VHT_OPERATION = 192,
1721 WLAN_EID_OPMODE_NOTIF = 199,
1724 WLAN_EID_NON_TX_BSSID_CAP = 83,
1725 WLAN_EID_WAKEUP_SCHEDULE = 143,
1726 WLAN_EID_EXT_SCHEDULE = 144,
1727 WLAN_EID_STA_AVAILABILITY = 145,
1728 WLAN_EID_DMG_TSPEC = 146,
1729 WLAN_EID_DMG_AT = 147,
1730 WLAN_EID_DMG_CAP = 148,
1731 WLAN_EID_DMG_OPERATION = 151,
1732 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1733 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1734 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1735 WLAN_EID_AWAKE_WINDOW = 157,
1736 WLAN_EID_MULTI_BAND = 158,
1737 WLAN_EID_ADDBA_EXT = 159,
1738 WLAN_EID_NEXT_PCP_LIST = 160,
1739 WLAN_EID_PCP_HANDOVER = 161,
1740 WLAN_EID_DMG_LINK_MARGIN = 162,
1741 WLAN_EID_SWITCHING_STREAM = 163,
1742 WLAN_EID_SESSION_TRANSITION = 164,
1743 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1744 WLAN_EID_CLUSTER_REPORT = 166,
1745 WLAN_EID_RELAY_CAP = 167,
1746 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1747 WLAN_EID_BEAM_LINK_MAINT = 169,
1748 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1749 WLAN_EID_U_PID = 171,
1750 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1751 WLAN_EID_QUIET_PERIOD_REQ = 175,
1752 WLAN_EID_QUIET_PERIOD_RESP = 177,
1753 WLAN_EID_EPAC_POLICY = 182,
1754 WLAN_EID_CLISTER_TIME_OFF = 183,
1755 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1758 /* Action category code */
1759 enum ieee80211_category {
1760 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1761 WLAN_CATEGORY_QOS = 1,
1762 WLAN_CATEGORY_DLS = 2,
1763 WLAN_CATEGORY_BACK = 3,
1764 WLAN_CATEGORY_PUBLIC = 4,
1765 WLAN_CATEGORY_HT = 7,
1766 WLAN_CATEGORY_SA_QUERY = 8,
1767 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1768 WLAN_CATEGORY_TDLS = 12,
1769 WLAN_CATEGORY_MESH_ACTION = 13,
1770 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1771 WLAN_CATEGORY_SELF_PROTECTED = 15,
1772 WLAN_CATEGORY_DMG = 16,
1773 WLAN_CATEGORY_WMM = 17,
1774 WLAN_CATEGORY_FST = 18,
1775 WLAN_CATEGORY_UNPROT_DMG = 20,
1776 WLAN_CATEGORY_VHT = 21,
1777 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1778 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1781 /* SPECTRUM_MGMT action code */
1782 enum ieee80211_spectrum_mgmt_actioncode {
1783 WLAN_ACTION_SPCT_MSR_REQ = 0,
1784 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1785 WLAN_ACTION_SPCT_TPC_REQ = 2,
1786 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1787 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1790 /* HT action codes */
1791 enum ieee80211_ht_actioncode {
1792 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1793 WLAN_HT_ACTION_SMPS = 1,
1794 WLAN_HT_ACTION_PSMP = 2,
1795 WLAN_HT_ACTION_PCO_PHASE = 3,
1796 WLAN_HT_ACTION_CSI = 4,
1797 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1798 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1799 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1802 /* VHT action codes */
1803 enum ieee80211_vht_actioncode {
1804 WLAN_VHT_ACTION_COMPRESSED_BF = 0,
1805 WLAN_VHT_ACTION_GROUPID_MGMT = 1,
1806 WLAN_VHT_ACTION_OPMODE_NOTIF = 2,
1809 /* Self Protected Action codes */
1810 enum ieee80211_self_protected_actioncode {
1811 WLAN_SP_RESERVED = 0,
1812 WLAN_SP_MESH_PEERING_OPEN = 1,
1813 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1814 WLAN_SP_MESH_PEERING_CLOSE = 3,
1815 WLAN_SP_MGK_INFORM = 4,
1816 WLAN_SP_MGK_ACK = 5,
1819 /* Mesh action codes */
1820 enum ieee80211_mesh_actioncode {
1821 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1822 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1823 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1824 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1825 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1826 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1827 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1828 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1829 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1830 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1831 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1834 /* Security key length */
1835 enum ieee80211_key_len {
1836 WLAN_KEY_LEN_WEP40 = 5,
1837 WLAN_KEY_LEN_WEP104 = 13,
1838 WLAN_KEY_LEN_CCMP = 16,
1839 WLAN_KEY_LEN_TKIP = 32,
1840 WLAN_KEY_LEN_AES_CMAC = 16,
1843 /* Public action codes */
1844 enum ieee80211_pub_actioncode {
1845 WLAN_PUB_ACTION_EXT_CHANSW_ANN = 4,
1846 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1849 /* TDLS action codes */
1850 enum ieee80211_tdls_actioncode {
1851 WLAN_TDLS_SETUP_REQUEST = 0,
1852 WLAN_TDLS_SETUP_RESPONSE = 1,
1853 WLAN_TDLS_SETUP_CONFIRM = 2,
1854 WLAN_TDLS_TEARDOWN = 3,
1855 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1856 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1857 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1858 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1859 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1860 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1861 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1865 * TDLS capabililites to be enabled in the 5th byte of the
1866 * @WLAN_EID_EXT_CAPABILITY information element
1868 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1869 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1871 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1873 /* TDLS specific payload type in the LLC/SNAP header */
1874 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1877 * enum - mesh synchronization method identifier
1879 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1880 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1881 * that will be specified in a vendor specific information element
1884 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1885 IEEE80211_SYNC_METHOD_VENDOR = 255,
1889 * enum - mesh path selection protocol identifier
1891 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1892 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1893 * be specified in a vendor specific information element
1896 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1897 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1901 * enum - mesh path selection metric identifier
1903 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1904 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1905 * specified in a vendor specific information element
1908 IEEE80211_PATH_METRIC_AIRTIME = 1,
1909 IEEE80211_PATH_METRIC_VENDOR = 255,
1913 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1915 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1917 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1918 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1920 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1921 * the proactive PREQ with proactive PREP subfield set to 0
1922 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1923 * supports the proactive PREQ with proactive PREP subfield set to 1
1924 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1925 * the proactive RANN
1927 enum ieee80211_root_mode_identifier {
1928 IEEE80211_ROOTMODE_NO_ROOT = 0,
1929 IEEE80211_ROOTMODE_ROOT = 1,
1930 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1931 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1932 IEEE80211_PROACTIVE_RANN = 4,
1936 * IEEE 802.11-2007 7.3.2.9 Country information element
1938 * Minimum length is 8 octets, ie len must be evenly
1942 /* Although the spec says 8 I'm seeing 6 in practice */
1943 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1945 /* The Country String field of the element shall be 3 octets in length */
1946 #define IEEE80211_COUNTRY_STRING_LEN 3
1949 * For regulatory extension stuff see IEEE 802.11-2007
1950 * Annex I (page 1141) and Annex J (page 1147). Also
1953 * When dot11RegulatoryClassesRequired is true and the
1954 * first_channel/reg_extension_id is >= 201 then the IE
1955 * compromises of the 'ext' struct represented below:
1957 * - Regulatory extension ID - when generating IE this just needs
1958 * to be monotonically increasing for each triplet passed in
1960 * - Regulatory class - index into set of rules
1961 * - Coverage class - index into air propagation time (Table 7-27),
1962 * in microseconds, you can compute the air propagation time from
1963 * the index by multiplying by 3, so index 10 yields a propagation
1964 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1965 * yet. A value of 0 inicates air propagation of <= 1 us.
1967 * See also Table I.2 for Emission limit sets and table
1968 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1969 * a reg_class to an emission limit set and behavior limit set.
1971 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1974 * Channels numbers in the IE must be monotonically increasing
1975 * if dot11RegulatoryClassesRequired is not true.
1977 * If dot11RegulatoryClassesRequired is true consecutive
1978 * subband triplets following a regulatory triplet shall
1979 * have monotonically increasing first_channel number fields.
1981 * Channel numbers shall not overlap.
1983 * Note that max_power is signed.
1985 struct ieee80211_country_ie_triplet {
1993 u8 reg_extension_id;
2000 enum ieee80211_timeout_interval_type {
2001 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
2002 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
2003 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
2007 * struct ieee80211_timeout_interval_ie - Timeout Interval element
2008 * @type: type, see &enum ieee80211_timeout_interval_type
2009 * @value: timeout interval value
2011 struct ieee80211_timeout_interval_ie {
2016 /* BACK action code */
2017 enum ieee80211_back_actioncode {
2018 WLAN_ACTION_ADDBA_REQ = 0,
2019 WLAN_ACTION_ADDBA_RESP = 1,
2020 WLAN_ACTION_DELBA = 2,
2023 /* BACK (block-ack) parties */
2024 enum ieee80211_back_parties {
2025 WLAN_BACK_RECIPIENT = 0,
2026 WLAN_BACK_INITIATOR = 1,
2029 /* SA Query action */
2030 enum ieee80211_sa_query_action {
2031 WLAN_ACTION_SA_QUERY_REQUEST = 0,
2032 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
2036 /* cipher suite selectors */
2037 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
2038 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
2039 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
2040 /* reserved: 0x000FAC03 */
2041 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
2042 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
2043 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
2044 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
2046 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
2048 /* AKM suite selectors */
2049 #define WLAN_AKM_SUITE_8021X 0x000FAC01
2050 #define WLAN_AKM_SUITE_PSK 0x000FAC02
2051 #define WLAN_AKM_SUITE_SAE 0x000FAC08
2052 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
2054 #define WLAN_MAX_KEY_LEN 32
2056 #define WLAN_PMKID_LEN 16
2058 #define WLAN_OUI_WFA 0x506f9a
2059 #define WLAN_OUI_TYPE_WFA_P2P 9
2060 #define WLAN_OUI_MICROSOFT 0x0050f2
2061 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
2062 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
2063 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2066 * WMM/802.11e Tspec Element
2068 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2069 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2071 enum ieee80211_tspec_status_code {
2072 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2073 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2076 struct ieee80211_tspec_ie {
2085 __le16 nominal_msdu;
2087 __le32 min_service_int;
2088 __le32 max_service_int;
2089 __le32 inactivity_int;
2090 __le32 suspension_int;
2091 __le32 service_start_time;
2092 __le32 min_data_rate;
2093 __le32 mean_data_rate;
2094 __le32 peak_data_rate;
2095 __le32 max_burst_size;
2097 __le32 min_phy_rate;
2103 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2106 * The qos ctrl bytes come after the frame_control, duration, seq_num
2107 * and 3 or 4 addresses of length ETH_ALEN.
2108 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2109 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2111 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2113 if (ieee80211_has_a4(hdr->frame_control))
2114 return (u8 *)hdr + 30;
2116 return (u8 *)hdr + 24;
2120 * ieee80211_get_SA - get pointer to SA
2123 * Given an 802.11 frame, this function returns the offset
2124 * to the source address (SA). It does not verify that the
2125 * header is long enough to contain the address, and the
2126 * header must be long enough to contain the frame control
2129 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2131 if (ieee80211_has_a4(hdr->frame_control))
2133 if (ieee80211_has_fromds(hdr->frame_control))
2139 * ieee80211_get_DA - get pointer to DA
2142 * Given an 802.11 frame, this function returns the offset
2143 * to the destination address (DA). It does not verify that
2144 * the 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_DA(struct ieee80211_hdr *hdr)
2150 if (ieee80211_has_tods(hdr->frame_control))
2157 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2158 * @hdr: the frame (buffer must include at least the first octet of payload)
2160 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2162 if (ieee80211_is_disassoc(hdr->frame_control) ||
2163 ieee80211_is_deauth(hdr->frame_control))
2166 if (ieee80211_is_action(hdr->frame_control)) {
2170 * Action frames, excluding Public Action frames, are Robust
2171 * Management Frames. However, if we are looking at a Protected
2172 * frame, skip the check since the data may be encrypted and
2173 * the frame has already been found to be a Robust Management
2174 * Frame (by the other end).
2176 if (ieee80211_has_protected(hdr->frame_control))
2178 category = ((u8 *) hdr) + 24;
2179 return *category != WLAN_CATEGORY_PUBLIC &&
2180 *category != WLAN_CATEGORY_HT &&
2181 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2182 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2189 * ieee80211_is_public_action - check if frame is a public action frame
2191 * @len: length of the frame
2193 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2196 struct ieee80211_mgmt *mgmt = (void *)hdr;
2198 if (len < IEEE80211_MIN_ACTION_SIZE)
2200 if (!ieee80211_is_action(hdr->frame_control))
2202 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2206 * ieee80211_dsss_chan_to_freq - get channel center frequency
2207 * @channel: the DSSS channel
2209 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2210 * Ref IEEE 802.11-2007 section 15.6
2212 static inline int ieee80211_dsss_chan_to_freq(int channel)
2214 if ((channel > 0) && (channel < 14))
2215 return 2407 + (channel * 5);
2216 else if (channel == 14)
2223 * ieee80211_freq_to_dsss_chan - get channel
2224 * @freq: the frequency
2226 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2227 * Ref IEEE 802.11-2007 section 15.6
2229 * This routine selects the channel with the closest center frequency.
2231 static inline int ieee80211_freq_to_dsss_chan(int freq)
2233 if ((freq >= 2410) && (freq < 2475))
2234 return (freq - 2405) / 5;
2235 else if ((freq >= 2482) && (freq < 2487))
2242 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2245 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2251 * ieee80211_check_tim - check if AID bit is set in TIM
2253 * @tim_len: length of the TIM IE
2254 * @aid: the AID to look for
2256 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2257 u8 tim_len, u16 aid)
2260 u8 indexn0, indexn1, indexn2;
2262 if (unlikely(!tim || tim_len < sizeof(*tim)))
2267 mask = 1 << (aid & 7);
2269 indexn1 = tim->bitmap_ctrl & 0xfe;
2270 indexn2 = tim_len + indexn1 - 4;
2272 if (indexn0 < indexn1 || indexn0 > indexn2)
2277 return !!(tim->virtual_map[indexn0] & mask);
2280 #endif /* __LINUX_IEEE80211_H */