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_tim
686 * This structure refers to "Traffic Indication Map information element"
688 struct ieee80211_tim_ie {
692 /* variable size: 1 - 251 bytes */
697 * struct ieee80211_meshconf_ie
699 * This structure refers to "Mesh Configuration information element"
701 struct ieee80211_meshconf_ie {
712 * enum mesh_config_capab_flags - Mesh Configuration IE capability field flags
714 * @IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS: STA is willing to establish
715 * additional mesh peerings with other mesh STAs
716 * @IEEE80211_MESHCONF_CAPAB_FORWARDING: the STA forwards MSDUs
717 * @IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING: TBTT adjustment procedure
720 enum mesh_config_capab_flags {
721 IEEE80211_MESHCONF_CAPAB_ACCEPT_PLINKS = 0x01,
722 IEEE80211_MESHCONF_CAPAB_FORWARDING = 0x08,
723 IEEE80211_MESHCONF_CAPAB_TBTT_ADJUSTING = 0x20,
727 * struct ieee80211_rann_ie
729 * This structure refers to "Root Announcement information element"
731 struct ieee80211_rann_ie {
737 __le32 rann_interval;
741 enum ieee80211_rann_flags {
742 RANN_FLAG_IS_GATE = 1 << 0,
745 enum ieee80211_ht_chanwidth_values {
746 IEEE80211_HT_CHANWIDTH_20MHZ = 0,
747 IEEE80211_HT_CHANWIDTH_ANY = 1,
750 #define WLAN_SA_QUERY_TR_ID_LEN 2
752 struct ieee80211_mgmt {
753 __le16 frame_control;
762 __le16 auth_transaction;
764 /* possibly followed by Challenge text */
772 __le16 listen_interval;
773 /* followed by SSID and Supported rates */
775 } __packed assoc_req;
780 /* followed by Supported rates */
782 } __packed assoc_resp, reassoc_resp;
785 __le16 listen_interval;
787 /* followed by SSID and Supported rates */
789 } __packed reassoc_req;
797 /* followed by some of SSID, Supported rates,
798 * FH Params, DS Params, CF Params, IBSS Params, TIM */
802 /* only variable items: SSID, Supported rates */
804 } __packed probe_req;
809 /* followed by some of SSID, Supported rates,
810 * FH Params, DS Params, CF Params, IBSS Params */
812 } __packed probe_resp;
821 } __packed wme_action;
826 struct ieee80211_channel_sw_ie sw_elem;
827 } __packed chan_switch;
833 struct ieee80211_msrment_ie msr_elem;
834 } __packed measurement;
840 __le16 start_seq_num;
841 } __packed addba_req;
848 } __packed addba_resp;
857 } __packed self_prot;
861 } __packed mesh_action;
864 u8 trans_id[WLAN_SA_QUERY_TR_ID_LEN];
873 } __packed ht_notify_cw;
879 } __packed tdls_discover_resp;
883 } __packed __aligned(2);
885 /* Supported Rates value encodings in 802.11n-2009 7.3.2.2 */
886 #define BSS_MEMBERSHIP_SELECTOR_HT_PHY 127
888 /* mgmt header + 1 byte category code */
889 #define IEEE80211_MIN_ACTION_SIZE offsetof(struct ieee80211_mgmt, u.action.u)
892 /* Management MIC information element (IEEE 802.11w) */
893 struct ieee80211_mmie {
897 u8 sequence_number[6];
901 struct ieee80211_vendor_ie {
909 struct ieee80211_rts {
910 __le16 frame_control;
914 } __packed __aligned(2);
916 struct ieee80211_cts {
917 __le16 frame_control;
920 } __packed __aligned(2);
922 struct ieee80211_pspoll {
923 __le16 frame_control;
927 } __packed __aligned(2);
931 /* Link-id information element */
932 struct ieee80211_tdls_lnkie {
933 u8 ie_type; /* Link Identifier IE */
940 struct ieee80211_tdls_data {
952 } __packed setup_req;
958 } __packed setup_resp;
963 } __packed setup_cfm;
971 } __packed discover_req;
976 * Peer-to-Peer IE attribute related definitions.
979 * enum ieee80211_p2p_attr_id - identifies type of peer-to-peer attribute.
981 enum ieee80211_p2p_attr_id {
982 IEEE80211_P2P_ATTR_STATUS = 0,
983 IEEE80211_P2P_ATTR_MINOR_REASON,
984 IEEE80211_P2P_ATTR_CAPABILITY,
985 IEEE80211_P2P_ATTR_DEVICE_ID,
986 IEEE80211_P2P_ATTR_GO_INTENT,
987 IEEE80211_P2P_ATTR_GO_CONFIG_TIMEOUT,
988 IEEE80211_P2P_ATTR_LISTEN_CHANNEL,
989 IEEE80211_P2P_ATTR_GROUP_BSSID,
990 IEEE80211_P2P_ATTR_EXT_LISTEN_TIMING,
991 IEEE80211_P2P_ATTR_INTENDED_IFACE_ADDR,
992 IEEE80211_P2P_ATTR_MANAGABILITY,
993 IEEE80211_P2P_ATTR_CHANNEL_LIST,
994 IEEE80211_P2P_ATTR_ABSENCE_NOTICE,
995 IEEE80211_P2P_ATTR_DEVICE_INFO,
996 IEEE80211_P2P_ATTR_GROUP_INFO,
997 IEEE80211_P2P_ATTR_GROUP_ID,
998 IEEE80211_P2P_ATTR_INTERFACE,
999 IEEE80211_P2P_ATTR_OPER_CHANNEL,
1000 IEEE80211_P2P_ATTR_INVITE_FLAGS,
1001 /* 19 - 220: Reserved */
1002 IEEE80211_P2P_ATTR_VENDOR_SPECIFIC = 221,
1004 IEEE80211_P2P_ATTR_MAX
1007 /* Notice of Absence attribute - described in P2P spec 4.1.14 */
1008 /* Typical max value used here */
1009 #define IEEE80211_P2P_NOA_DESC_MAX 4
1011 struct ieee80211_p2p_noa_desc {
1018 struct ieee80211_p2p_noa_attr {
1021 struct ieee80211_p2p_noa_desc desc[IEEE80211_P2P_NOA_DESC_MAX];
1024 #define IEEE80211_P2P_OPPPS_ENABLE_BIT BIT(7)
1025 #define IEEE80211_P2P_OPPPS_CTWINDOW_MASK 0x7F
1028 * struct ieee80211_bar - HT Block Ack Request
1030 * This structure refers to "HT BlockAckReq" as
1031 * described in 802.11n draft section 7.2.1.7.1
1033 struct ieee80211_bar {
1034 __le16 frame_control;
1039 __le16 start_seq_num;
1040 } __packed __aligned(4);
1042 /* 802.11 BA(R) control masks */
1043 #define IEEE80211_BAR_CTRL_ACK_POLICY_NORMAL 0x0000
1044 #define IEEE80211_BAR_CTRL_MULTI_TID 0x0002
1045 #define IEEE80211_BAR_CTRL_CBMTID_COMPRESSED_BA 0x0004
1046 #define IEEE80211_BAR_CTRL_TID_INFO_MASK 0xf000
1047 #define IEEE80211_BAR_CTRL_TID_INFO_SHIFT 12
1050 * struct ieee80211_ba - HT Block Ack
1052 * This structure refers to "HT BlockAck" as
1053 * described in 802.11n draft section 7.2.1.8.1
1055 struct ieee80211_ba {
1056 __le16 frame_control;
1062 __le16 start_seq_num;
1066 #define IEEE80211_HT_MCS_MASK_LEN 10
1069 * struct ieee80211_mcs_info - MCS information
1071 * @rx_highest: highest supported RX rate. If set represents
1072 * the highest supported RX data rate in units of 1 Mbps.
1073 * If this field is 0 this value should not be used to
1074 * consider the highest RX data rate supported.
1075 * @tx_params: TX parameters
1077 struct ieee80211_mcs_info {
1078 u8 rx_mask[IEEE80211_HT_MCS_MASK_LEN];
1084 /* 802.11n HT capability MSC set */
1085 #define IEEE80211_HT_MCS_RX_HIGHEST_MASK 0x3ff
1086 #define IEEE80211_HT_MCS_TX_DEFINED 0x01
1087 #define IEEE80211_HT_MCS_TX_RX_DIFF 0x02
1088 /* value 0 == 1 stream etc */
1089 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_MASK 0x0C
1090 #define IEEE80211_HT_MCS_TX_MAX_STREAMS_SHIFT 2
1091 #define IEEE80211_HT_MCS_TX_MAX_STREAMS 4
1092 #define IEEE80211_HT_MCS_TX_UNEQUAL_MODULATION 0x10
1095 * 802.11n D5.0 20.3.5 / 20.6 says:
1096 * - indices 0 to 7 and 32 are single spatial stream
1097 * - 8 to 31 are multiple spatial streams using equal modulation
1098 * [8..15 for two streams, 16..23 for three and 24..31 for four]
1099 * - remainder are multiple spatial streams using unequal modulation
1101 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START 33
1102 #define IEEE80211_HT_MCS_UNEQUAL_MODULATION_START_BYTE \
1103 (IEEE80211_HT_MCS_UNEQUAL_MODULATION_START / 8)
1106 * struct ieee80211_ht_cap - HT capabilities
1108 * This structure is the "HT capabilities element" as
1109 * described in 802.11n D5.0 7.3.2.57
1111 struct ieee80211_ht_cap {
1113 u8 ampdu_params_info;
1115 /* 16 bytes MCS information */
1116 struct ieee80211_mcs_info mcs;
1118 __le16 extended_ht_cap_info;
1119 __le32 tx_BF_cap_info;
1120 u8 antenna_selection_info;
1123 /* 802.11n HT capabilities masks (for cap_info) */
1124 #define IEEE80211_HT_CAP_LDPC_CODING 0x0001
1125 #define IEEE80211_HT_CAP_SUP_WIDTH_20_40 0x0002
1126 #define IEEE80211_HT_CAP_SM_PS 0x000C
1127 #define IEEE80211_HT_CAP_SM_PS_SHIFT 2
1128 #define IEEE80211_HT_CAP_GRN_FLD 0x0010
1129 #define IEEE80211_HT_CAP_SGI_20 0x0020
1130 #define IEEE80211_HT_CAP_SGI_40 0x0040
1131 #define IEEE80211_HT_CAP_TX_STBC 0x0080
1132 #define IEEE80211_HT_CAP_RX_STBC 0x0300
1133 #define IEEE80211_HT_CAP_RX_STBC_SHIFT 8
1134 #define IEEE80211_HT_CAP_DELAY_BA 0x0400
1135 #define IEEE80211_HT_CAP_MAX_AMSDU 0x0800
1136 #define IEEE80211_HT_CAP_DSSSCCK40 0x1000
1137 #define IEEE80211_HT_CAP_RESERVED 0x2000
1138 #define IEEE80211_HT_CAP_40MHZ_INTOLERANT 0x4000
1139 #define IEEE80211_HT_CAP_LSIG_TXOP_PROT 0x8000
1141 /* 802.11n HT extended capabilities masks (for extended_ht_cap_info) */
1142 #define IEEE80211_HT_EXT_CAP_PCO 0x0001
1143 #define IEEE80211_HT_EXT_CAP_PCO_TIME 0x0006
1144 #define IEEE80211_HT_EXT_CAP_PCO_TIME_SHIFT 1
1145 #define IEEE80211_HT_EXT_CAP_MCS_FB 0x0300
1146 #define IEEE80211_HT_EXT_CAP_MCS_FB_SHIFT 8
1147 #define IEEE80211_HT_EXT_CAP_HTC_SUP 0x0400
1148 #define IEEE80211_HT_EXT_CAP_RD_RESPONDER 0x0800
1150 /* 802.11n HT capability AMPDU settings (for ampdu_params_info) */
1151 #define IEEE80211_HT_AMPDU_PARM_FACTOR 0x03
1152 #define IEEE80211_HT_AMPDU_PARM_DENSITY 0x1C
1153 #define IEEE80211_HT_AMPDU_PARM_DENSITY_SHIFT 2
1156 * Maximum length of AMPDU that the STA can receive.
1157 * Length = 2 ^ (13 + max_ampdu_length_exp) - 1 (octets)
1159 enum ieee80211_max_ampdu_length_exp {
1160 IEEE80211_HT_MAX_AMPDU_8K = 0,
1161 IEEE80211_HT_MAX_AMPDU_16K = 1,
1162 IEEE80211_HT_MAX_AMPDU_32K = 2,
1163 IEEE80211_HT_MAX_AMPDU_64K = 3
1166 #define IEEE80211_HT_MAX_AMPDU_FACTOR 13
1168 /* Minimum MPDU start spacing */
1169 enum ieee80211_min_mpdu_spacing {
1170 IEEE80211_HT_MPDU_DENSITY_NONE = 0, /* No restriction */
1171 IEEE80211_HT_MPDU_DENSITY_0_25 = 1, /* 1/4 usec */
1172 IEEE80211_HT_MPDU_DENSITY_0_5 = 2, /* 1/2 usec */
1173 IEEE80211_HT_MPDU_DENSITY_1 = 3, /* 1 usec */
1174 IEEE80211_HT_MPDU_DENSITY_2 = 4, /* 2 usec */
1175 IEEE80211_HT_MPDU_DENSITY_4 = 5, /* 4 usec */
1176 IEEE80211_HT_MPDU_DENSITY_8 = 6, /* 8 usec */
1177 IEEE80211_HT_MPDU_DENSITY_16 = 7 /* 16 usec */
1181 * struct ieee80211_ht_operation - HT operation IE
1183 * This structure is the "HT operation element" as
1184 * described in 802.11n-2009 7.3.2.57
1186 struct ieee80211_ht_operation {
1189 __le16 operation_mode;
1195 #define IEEE80211_HT_PARAM_CHA_SEC_OFFSET 0x03
1196 #define IEEE80211_HT_PARAM_CHA_SEC_NONE 0x00
1197 #define IEEE80211_HT_PARAM_CHA_SEC_ABOVE 0x01
1198 #define IEEE80211_HT_PARAM_CHA_SEC_BELOW 0x03
1199 #define IEEE80211_HT_PARAM_CHAN_WIDTH_ANY 0x04
1200 #define IEEE80211_HT_PARAM_RIFS_MODE 0x08
1202 /* for operation_mode */
1203 #define IEEE80211_HT_OP_MODE_PROTECTION 0x0003
1204 #define IEEE80211_HT_OP_MODE_PROTECTION_NONE 0
1205 #define IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER 1
1206 #define IEEE80211_HT_OP_MODE_PROTECTION_20MHZ 2
1207 #define IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED 3
1208 #define IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT 0x0004
1209 #define IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT 0x0010
1211 /* for stbc_param */
1212 #define IEEE80211_HT_STBC_PARAM_DUAL_BEACON 0x0040
1213 #define IEEE80211_HT_STBC_PARAM_DUAL_CTS_PROT 0x0080
1214 #define IEEE80211_HT_STBC_PARAM_STBC_BEACON 0x0100
1215 #define IEEE80211_HT_STBC_PARAM_LSIG_TXOP_FULLPROT 0x0200
1216 #define IEEE80211_HT_STBC_PARAM_PCO_ACTIVE 0x0400
1217 #define IEEE80211_HT_STBC_PARAM_PCO_PHASE 0x0800
1220 /* block-ack parameters */
1221 #define IEEE80211_ADDBA_PARAM_POLICY_MASK 0x0002
1222 #define IEEE80211_ADDBA_PARAM_TID_MASK 0x003C
1223 #define IEEE80211_ADDBA_PARAM_BUF_SIZE_MASK 0xFFC0
1224 #define IEEE80211_DELBA_PARAM_TID_MASK 0xF000
1225 #define IEEE80211_DELBA_PARAM_INITIATOR_MASK 0x0800
1228 * A-PMDU buffer sizes
1229 * According to IEEE802.11n spec size varies from 8K to 64K (in powers of 2)
1231 #define IEEE80211_MIN_AMPDU_BUF 0x8
1232 #define IEEE80211_MAX_AMPDU_BUF 0x40
1235 /* Spatial Multiplexing Power Save Modes (for capability) */
1236 #define WLAN_HT_CAP_SM_PS_STATIC 0
1237 #define WLAN_HT_CAP_SM_PS_DYNAMIC 1
1238 #define WLAN_HT_CAP_SM_PS_INVALID 2
1239 #define WLAN_HT_CAP_SM_PS_DISABLED 3
1241 /* for SM power control field lower two bits */
1242 #define WLAN_HT_SMPS_CONTROL_DISABLED 0
1243 #define WLAN_HT_SMPS_CONTROL_STATIC 1
1244 #define WLAN_HT_SMPS_CONTROL_DYNAMIC 3
1247 * struct ieee80211_vht_mcs_info - VHT MCS information
1248 * @rx_mcs_map: RX MCS map 2 bits for each stream, total 8 streams
1249 * @rx_highest: Indicates highest long GI VHT PPDU data rate
1250 * STA can receive. Rate expressed in units of 1 Mbps.
1251 * If this field is 0 this value should not be used to
1252 * consider the highest RX data rate supported.
1253 * The top 3 bits of this field are reserved.
1254 * @tx_mcs_map: TX MCS map 2 bits for each stream, total 8 streams
1255 * @tx_highest: Indicates highest long GI VHT PPDU data rate
1256 * STA can transmit. Rate expressed in units of 1 Mbps.
1257 * If this field is 0 this value should not be used to
1258 * consider the highest TX data rate supported.
1259 * The top 3 bits of this field are reserved.
1261 struct ieee80211_vht_mcs_info {
1269 * enum ieee80211_vht_mcs_support - VHT MCS support definitions
1270 * @IEEE80211_VHT_MCS_SUPPORT_0_7: MCSes 0-7 are supported for the
1272 * @IEEE80211_VHT_MCS_SUPPORT_0_8: MCSes 0-8 are supported
1273 * @IEEE80211_VHT_MCS_SUPPORT_0_9: MCSes 0-9 are supported
1274 * @IEEE80211_VHT_MCS_NOT_SUPPORTED: This number of streams isn't supported
1276 * These definitions are used in each 2-bit subfield of the @rx_mcs_map
1277 * and @tx_mcs_map fields of &struct ieee80211_vht_mcs_info, which are
1278 * both split into 8 subfields by number of streams. These values indicate
1279 * which MCSes are supported for the number of streams the value appears
1282 enum ieee80211_vht_mcs_support {
1283 IEEE80211_VHT_MCS_SUPPORT_0_7 = 0,
1284 IEEE80211_VHT_MCS_SUPPORT_0_8 = 1,
1285 IEEE80211_VHT_MCS_SUPPORT_0_9 = 2,
1286 IEEE80211_VHT_MCS_NOT_SUPPORTED = 3,
1290 * struct ieee80211_vht_cap - VHT capabilities
1292 * This structure is the "VHT capabilities element" as
1293 * described in 802.11ac D3.0 8.4.2.160
1294 * @vht_cap_info: VHT capability info
1295 * @supp_mcs: VHT MCS supported rates
1297 struct ieee80211_vht_cap {
1298 __le32 vht_cap_info;
1299 struct ieee80211_vht_mcs_info supp_mcs;
1303 * enum ieee80211_vht_chanwidth - VHT channel width
1304 * @IEEE80211_VHT_CHANWIDTH_USE_HT: use the HT operation IE to
1305 * determine the channel width (20 or 40 MHz)
1306 * @IEEE80211_VHT_CHANWIDTH_80MHZ: 80 MHz bandwidth
1307 * @IEEE80211_VHT_CHANWIDTH_160MHZ: 160 MHz bandwidth
1308 * @IEEE80211_VHT_CHANWIDTH_80P80MHZ: 80+80 MHz bandwidth
1310 enum ieee80211_vht_chanwidth {
1311 IEEE80211_VHT_CHANWIDTH_USE_HT = 0,
1312 IEEE80211_VHT_CHANWIDTH_80MHZ = 1,
1313 IEEE80211_VHT_CHANWIDTH_160MHZ = 2,
1314 IEEE80211_VHT_CHANWIDTH_80P80MHZ = 3,
1318 * struct ieee80211_vht_operation - VHT operation IE
1320 * This structure is the "VHT operation element" as
1321 * described in 802.11ac D3.0 8.4.2.161
1322 * @chan_width: Operating channel width
1323 * @center_freq_seg1_idx: center freq segment 1 index
1324 * @center_freq_seg2_idx: center freq segment 2 index
1325 * @basic_mcs_set: VHT Basic MCS rate set
1327 struct ieee80211_vht_operation {
1329 u8 center_freq_seg1_idx;
1330 u8 center_freq_seg2_idx;
1331 __le16 basic_mcs_set;
1335 /* 802.11ac VHT Capabilities */
1336 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_3895 0x00000000
1337 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_7991 0x00000001
1338 #define IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 0x00000002
1339 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160MHZ 0x00000004
1340 #define IEEE80211_VHT_CAP_SUPP_CHAN_WIDTH_160_80PLUS80MHZ 0x00000008
1341 #define IEEE80211_VHT_CAP_RXLDPC 0x00000010
1342 #define IEEE80211_VHT_CAP_SHORT_GI_80 0x00000020
1343 #define IEEE80211_VHT_CAP_SHORT_GI_160 0x00000040
1344 #define IEEE80211_VHT_CAP_TXSTBC 0x00000080
1345 #define IEEE80211_VHT_CAP_RXSTBC_1 0x00000100
1346 #define IEEE80211_VHT_CAP_RXSTBC_2 0x00000200
1347 #define IEEE80211_VHT_CAP_RXSTBC_3 0x00000300
1348 #define IEEE80211_VHT_CAP_RXSTBC_4 0x00000400
1349 #define IEEE80211_VHT_CAP_RXSTBC_MASK 0x00000700
1350 #define IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE 0x00000800
1351 #define IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE 0x00001000
1352 #define IEEE80211_VHT_CAP_BEAMFORMER_ANTENNAS_MAX 0x00006000
1353 #define IEEE80211_VHT_CAP_SOUNDING_DIMENSIONS_MAX 0x00030000
1354 #define IEEE80211_VHT_CAP_MU_BEAMFORMER_CAPABLE 0x00080000
1355 #define IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE 0x00100000
1356 #define IEEE80211_VHT_CAP_VHT_TXOP_PS 0x00200000
1357 #define IEEE80211_VHT_CAP_HTC_VHT 0x00400000
1358 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT 23
1359 #define IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK \
1360 (7 << IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_SHIFT)
1361 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_UNSOL_MFB 0x08000000
1362 #define IEEE80211_VHT_CAP_VHT_LINK_ADAPTATION_VHT_MRQ_MFB 0x0c000000
1363 #define IEEE80211_VHT_CAP_RX_ANTENNA_PATTERN 0x10000000
1364 #define IEEE80211_VHT_CAP_TX_ANTENNA_PATTERN 0x20000000
1366 /* Authentication algorithms */
1367 #define WLAN_AUTH_OPEN 0
1368 #define WLAN_AUTH_SHARED_KEY 1
1369 #define WLAN_AUTH_FT 2
1370 #define WLAN_AUTH_SAE 3
1371 #define WLAN_AUTH_LEAP 128
1373 #define WLAN_AUTH_CHALLENGE_LEN 128
1375 #define WLAN_CAPABILITY_ESS (1<<0)
1376 #define WLAN_CAPABILITY_IBSS (1<<1)
1379 * A mesh STA sets the ESS and IBSS capability bits to zero.
1380 * however, this holds true for p2p probe responses (in the p2p_find
1383 #define WLAN_CAPABILITY_IS_STA_BSS(cap) \
1384 (!((cap) & (WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_IBSS)))
1386 #define WLAN_CAPABILITY_CF_POLLABLE (1<<2)
1387 #define WLAN_CAPABILITY_CF_POLL_REQUEST (1<<3)
1388 #define WLAN_CAPABILITY_PRIVACY (1<<4)
1389 #define WLAN_CAPABILITY_SHORT_PREAMBLE (1<<5)
1390 #define WLAN_CAPABILITY_PBCC (1<<6)
1391 #define WLAN_CAPABILITY_CHANNEL_AGILITY (1<<7)
1394 #define WLAN_CAPABILITY_SPECTRUM_MGMT (1<<8)
1395 #define WLAN_CAPABILITY_QOS (1<<9)
1396 #define WLAN_CAPABILITY_SHORT_SLOT_TIME (1<<10)
1397 #define WLAN_CAPABILITY_APSD (1<<11)
1398 #define WLAN_CAPABILITY_RADIO_MEASURE (1<<12)
1399 #define WLAN_CAPABILITY_DSSS_OFDM (1<<13)
1400 #define WLAN_CAPABILITY_DEL_BACK (1<<14)
1401 #define WLAN_CAPABILITY_IMM_BACK (1<<15)
1403 /* DMG (60gHz) 802.11ad */
1404 /* type - bits 0..1 */
1405 #define WLAN_CAPABILITY_DMG_TYPE_MASK (3<<0)
1406 #define WLAN_CAPABILITY_DMG_TYPE_IBSS (1<<0) /* Tx by: STA */
1407 #define WLAN_CAPABILITY_DMG_TYPE_PBSS (2<<0) /* Tx by: PCP */
1408 #define WLAN_CAPABILITY_DMG_TYPE_AP (3<<0) /* Tx by: AP */
1410 #define WLAN_CAPABILITY_DMG_CBAP_ONLY (1<<2)
1411 #define WLAN_CAPABILITY_DMG_CBAP_SOURCE (1<<3)
1412 #define WLAN_CAPABILITY_DMG_PRIVACY (1<<4)
1413 #define WLAN_CAPABILITY_DMG_ECPAC (1<<5)
1415 #define WLAN_CAPABILITY_DMG_SPECTRUM_MGMT (1<<8)
1416 #define WLAN_CAPABILITY_DMG_RADIO_MEASURE (1<<12)
1419 #define IEEE80211_SPCT_MSR_RPRT_MODE_LATE (1<<0)
1420 #define IEEE80211_SPCT_MSR_RPRT_MODE_INCAPABLE (1<<1)
1421 #define IEEE80211_SPCT_MSR_RPRT_MODE_REFUSED (1<<2)
1423 #define IEEE80211_SPCT_MSR_RPRT_TYPE_BASIC 0
1424 #define IEEE80211_SPCT_MSR_RPRT_TYPE_CCA 1
1425 #define IEEE80211_SPCT_MSR_RPRT_TYPE_RPI 2
1427 /* 802.11g ERP information element */
1428 #define WLAN_ERP_NON_ERP_PRESENT (1<<0)
1429 #define WLAN_ERP_USE_PROTECTION (1<<1)
1430 #define WLAN_ERP_BARKER_PREAMBLE (1<<2)
1432 /* WLAN_ERP_BARKER_PREAMBLE values */
1434 WLAN_ERP_PREAMBLE_SHORT = 0,
1435 WLAN_ERP_PREAMBLE_LONG = 1,
1438 /* Band ID, 802.11ad #8.4.1.45 */
1440 IEEE80211_BANDID_TV_WS = 0, /* TV white spaces */
1441 IEEE80211_BANDID_SUB1 = 1, /* Sub-1 GHz (excluding TV white spaces) */
1442 IEEE80211_BANDID_2G = 2, /* 2.4 GHz */
1443 IEEE80211_BANDID_3G = 3, /* 3.6 GHz */
1444 IEEE80211_BANDID_5G = 4, /* 4.9 and 5 GHz */
1445 IEEE80211_BANDID_60G = 5, /* 60 GHz */
1449 enum ieee80211_statuscode {
1450 WLAN_STATUS_SUCCESS = 0,
1451 WLAN_STATUS_UNSPECIFIED_FAILURE = 1,
1452 WLAN_STATUS_CAPS_UNSUPPORTED = 10,
1453 WLAN_STATUS_REASSOC_NO_ASSOC = 11,
1454 WLAN_STATUS_ASSOC_DENIED_UNSPEC = 12,
1455 WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG = 13,
1456 WLAN_STATUS_UNKNOWN_AUTH_TRANSACTION = 14,
1457 WLAN_STATUS_CHALLENGE_FAIL = 15,
1458 WLAN_STATUS_AUTH_TIMEOUT = 16,
1459 WLAN_STATUS_AP_UNABLE_TO_HANDLE_NEW_STA = 17,
1460 WLAN_STATUS_ASSOC_DENIED_RATES = 18,
1462 WLAN_STATUS_ASSOC_DENIED_NOSHORTPREAMBLE = 19,
1463 WLAN_STATUS_ASSOC_DENIED_NOPBCC = 20,
1464 WLAN_STATUS_ASSOC_DENIED_NOAGILITY = 21,
1466 WLAN_STATUS_ASSOC_DENIED_NOSPECTRUM = 22,
1467 WLAN_STATUS_ASSOC_REJECTED_BAD_POWER = 23,
1468 WLAN_STATUS_ASSOC_REJECTED_BAD_SUPP_CHAN = 24,
1470 WLAN_STATUS_ASSOC_DENIED_NOSHORTTIME = 25,
1471 WLAN_STATUS_ASSOC_DENIED_NODSSSOFDM = 26,
1473 WLAN_STATUS_ASSOC_REJECTED_TEMPORARILY = 30,
1474 WLAN_STATUS_ROBUST_MGMT_FRAME_POLICY_VIOLATION = 31,
1476 WLAN_STATUS_INVALID_IE = 40,
1477 WLAN_STATUS_INVALID_GROUP_CIPHER = 41,
1478 WLAN_STATUS_INVALID_PAIRWISE_CIPHER = 42,
1479 WLAN_STATUS_INVALID_AKMP = 43,
1480 WLAN_STATUS_UNSUPP_RSN_VERSION = 44,
1481 WLAN_STATUS_INVALID_RSN_IE_CAP = 45,
1482 WLAN_STATUS_CIPHER_SUITE_REJECTED = 46,
1484 WLAN_STATUS_UNSPECIFIED_QOS = 32,
1485 WLAN_STATUS_ASSOC_DENIED_NOBANDWIDTH = 33,
1486 WLAN_STATUS_ASSOC_DENIED_LOWACK = 34,
1487 WLAN_STATUS_ASSOC_DENIED_UNSUPP_QOS = 35,
1488 WLAN_STATUS_REQUEST_DECLINED = 37,
1489 WLAN_STATUS_INVALID_QOS_PARAM = 38,
1490 WLAN_STATUS_CHANGE_TSPEC = 39,
1491 WLAN_STATUS_WAIT_TS_DELAY = 47,
1492 WLAN_STATUS_NO_DIRECT_LINK = 48,
1493 WLAN_STATUS_STA_NOT_PRESENT = 49,
1494 WLAN_STATUS_STA_NOT_QSTA = 50,
1496 WLAN_STATUS_ANTI_CLOG_REQUIRED = 76,
1497 WLAN_STATUS_FCG_NOT_SUPP = 78,
1498 WLAN_STATUS_STA_NO_TBTT = 78,
1500 WLAN_STATUS_REJECTED_WITH_SUGGESTED_CHANGES = 39,
1501 WLAN_STATUS_REJECTED_FOR_DELAY_PERIOD = 47,
1502 WLAN_STATUS_REJECT_WITH_SCHEDULE = 83,
1503 WLAN_STATUS_PENDING_ADMITTING_FST_SESSION = 86,
1504 WLAN_STATUS_PERFORMING_FST_NOW = 87,
1505 WLAN_STATUS_PENDING_GAP_IN_BA_WINDOW = 88,
1506 WLAN_STATUS_REJECT_U_PID_SETTING = 89,
1507 WLAN_STATUS_REJECT_DSE_BAND = 96,
1508 WLAN_STATUS_DENIED_WITH_SUGGESTED_BAND_AND_CHANNEL = 99,
1509 WLAN_STATUS_DENIED_DUE_TO_SPECTRUM_MANAGEMENT = 103,
1514 enum ieee80211_reasoncode {
1515 WLAN_REASON_UNSPECIFIED = 1,
1516 WLAN_REASON_PREV_AUTH_NOT_VALID = 2,
1517 WLAN_REASON_DEAUTH_LEAVING = 3,
1518 WLAN_REASON_DISASSOC_DUE_TO_INACTIVITY = 4,
1519 WLAN_REASON_DISASSOC_AP_BUSY = 5,
1520 WLAN_REASON_CLASS2_FRAME_FROM_NONAUTH_STA = 6,
1521 WLAN_REASON_CLASS3_FRAME_FROM_NONASSOC_STA = 7,
1522 WLAN_REASON_DISASSOC_STA_HAS_LEFT = 8,
1523 WLAN_REASON_STA_REQ_ASSOC_WITHOUT_AUTH = 9,
1525 WLAN_REASON_DISASSOC_BAD_POWER = 10,
1526 WLAN_REASON_DISASSOC_BAD_SUPP_CHAN = 11,
1528 WLAN_REASON_INVALID_IE = 13,
1529 WLAN_REASON_MIC_FAILURE = 14,
1530 WLAN_REASON_4WAY_HANDSHAKE_TIMEOUT = 15,
1531 WLAN_REASON_GROUP_KEY_HANDSHAKE_TIMEOUT = 16,
1532 WLAN_REASON_IE_DIFFERENT = 17,
1533 WLAN_REASON_INVALID_GROUP_CIPHER = 18,
1534 WLAN_REASON_INVALID_PAIRWISE_CIPHER = 19,
1535 WLAN_REASON_INVALID_AKMP = 20,
1536 WLAN_REASON_UNSUPP_RSN_VERSION = 21,
1537 WLAN_REASON_INVALID_RSN_IE_CAP = 22,
1538 WLAN_REASON_IEEE8021X_FAILED = 23,
1539 WLAN_REASON_CIPHER_SUITE_REJECTED = 24,
1541 WLAN_REASON_DISASSOC_UNSPECIFIED_QOS = 32,
1542 WLAN_REASON_DISASSOC_QAP_NO_BANDWIDTH = 33,
1543 WLAN_REASON_DISASSOC_LOW_ACK = 34,
1544 WLAN_REASON_DISASSOC_QAP_EXCEED_TXOP = 35,
1545 WLAN_REASON_QSTA_LEAVE_QBSS = 36,
1546 WLAN_REASON_QSTA_NOT_USE = 37,
1547 WLAN_REASON_QSTA_REQUIRE_SETUP = 38,
1548 WLAN_REASON_QSTA_TIMEOUT = 39,
1549 WLAN_REASON_QSTA_CIPHER_NOT_SUPP = 45,
1551 WLAN_REASON_MESH_PEER_CANCELED = 52,
1552 WLAN_REASON_MESH_MAX_PEERS = 53,
1553 WLAN_REASON_MESH_CONFIG = 54,
1554 WLAN_REASON_MESH_CLOSE = 55,
1555 WLAN_REASON_MESH_MAX_RETRIES = 56,
1556 WLAN_REASON_MESH_CONFIRM_TIMEOUT = 57,
1557 WLAN_REASON_MESH_INVALID_GTK = 58,
1558 WLAN_REASON_MESH_INCONSISTENT_PARAM = 59,
1559 WLAN_REASON_MESH_INVALID_SECURITY = 60,
1560 WLAN_REASON_MESH_PATH_ERROR = 61,
1561 WLAN_REASON_MESH_PATH_NOFORWARD = 62,
1562 WLAN_REASON_MESH_PATH_DEST_UNREACHABLE = 63,
1563 WLAN_REASON_MAC_EXISTS_IN_MBSS = 64,
1564 WLAN_REASON_MESH_CHAN_REGULATORY = 65,
1565 WLAN_REASON_MESH_CHAN = 66,
1569 /* Information Element IDs */
1570 enum ieee80211_eid {
1572 WLAN_EID_SUPP_RATES = 1,
1573 WLAN_EID_FH_PARAMS = 2,
1574 WLAN_EID_DS_PARAMS = 3,
1575 WLAN_EID_CF_PARAMS = 4,
1577 WLAN_EID_IBSS_PARAMS = 6,
1578 WLAN_EID_CHALLENGE = 16,
1580 WLAN_EID_COUNTRY = 7,
1581 WLAN_EID_HP_PARAMS = 8,
1582 WLAN_EID_HP_TABLE = 9,
1583 WLAN_EID_REQUEST = 10,
1585 WLAN_EID_QBSS_LOAD = 11,
1586 WLAN_EID_EDCA_PARAM_SET = 12,
1587 WLAN_EID_TSPEC = 13,
1588 WLAN_EID_TCLAS = 14,
1589 WLAN_EID_SCHEDULE = 15,
1590 WLAN_EID_TS_DELAY = 43,
1591 WLAN_EID_TCLAS_PROCESSING = 44,
1592 WLAN_EID_QOS_CAPA = 46,
1594 WLAN_EID_LINK_ID = 101,
1596 WLAN_EID_MESH_CONFIG = 113,
1597 WLAN_EID_MESH_ID = 114,
1598 WLAN_EID_LINK_METRIC_REPORT = 115,
1599 WLAN_EID_CONGESTION_NOTIFICATION = 116,
1600 WLAN_EID_PEER_MGMT = 117,
1601 WLAN_EID_CHAN_SWITCH_PARAM = 118,
1602 WLAN_EID_MESH_AWAKE_WINDOW = 119,
1603 WLAN_EID_BEACON_TIMING = 120,
1604 WLAN_EID_MCCAOP_SETUP_REQ = 121,
1605 WLAN_EID_MCCAOP_SETUP_RESP = 122,
1606 WLAN_EID_MCCAOP_ADVERT = 123,
1607 WLAN_EID_MCCAOP_TEARDOWN = 124,
1608 WLAN_EID_GANN = 125,
1609 WLAN_EID_RANN = 126,
1610 WLAN_EID_PREQ = 130,
1611 WLAN_EID_PREP = 131,
1612 WLAN_EID_PERR = 132,
1614 WLAN_EID_PXUC = 138,
1615 WLAN_EID_AUTH_MESH_PEER_EXCH = 139,
1618 WLAN_EID_PWR_CONSTRAINT = 32,
1619 WLAN_EID_PWR_CAPABILITY = 33,
1620 WLAN_EID_TPC_REQUEST = 34,
1621 WLAN_EID_TPC_REPORT = 35,
1622 WLAN_EID_SUPPORTED_CHANNELS = 36,
1623 WLAN_EID_CHANNEL_SWITCH = 37,
1624 WLAN_EID_MEASURE_REQUEST = 38,
1625 WLAN_EID_MEASURE_REPORT = 39,
1626 WLAN_EID_QUIET = 40,
1627 WLAN_EID_IBSS_DFS = 41,
1629 WLAN_EID_ERP_INFO = 42,
1630 WLAN_EID_EXT_SUPP_RATES = 50,
1632 WLAN_EID_HT_CAPABILITY = 45,
1633 WLAN_EID_HT_OPERATION = 61,
1637 WLAN_EID_VENDOR_SPECIFIC = 221,
1638 WLAN_EID_QOS_PARAMETER = 222,
1640 WLAN_EID_AP_CHAN_REPORT = 51,
1641 WLAN_EID_NEIGHBOR_REPORT = 52,
1643 WLAN_EID_BSS_AVG_ACCESS_DELAY = 63,
1644 WLAN_EID_ANTENNA_INFO = 64,
1646 WLAN_EID_MEASUREMENT_PILOT_TX_INFO = 66,
1647 WLAN_EID_BSS_AVAILABLE_CAPACITY = 67,
1648 WLAN_EID_BSS_AC_ACCESS_DELAY = 68,
1649 WLAN_EID_RRM_ENABLED_CAPABILITIES = 70,
1650 WLAN_EID_MULTIPLE_BSSID = 71,
1651 WLAN_EID_BSS_COEX_2040 = 72,
1652 WLAN_EID_OVERLAP_BSS_SCAN_PARAM = 74,
1653 WLAN_EID_EXT_CAPABILITY = 127,
1655 WLAN_EID_MOBILITY_DOMAIN = 54,
1656 WLAN_EID_FAST_BSS_TRANSITION = 55,
1657 WLAN_EID_TIMEOUT_INTERVAL = 56,
1658 WLAN_EID_RIC_DATA = 57,
1659 WLAN_EID_RIC_DESCRIPTOR = 75,
1661 WLAN_EID_DSE_REGISTERED_LOCATION = 58,
1662 WLAN_EID_SUPPORTED_REGULATORY_CLASSES = 59,
1663 WLAN_EID_EXT_CHANSWITCH_ANN = 60,
1665 WLAN_EID_VHT_CAPABILITY = 191,
1666 WLAN_EID_VHT_OPERATION = 192,
1669 WLAN_EID_NON_TX_BSSID_CAP = 83,
1670 WLAN_EID_WAKEUP_SCHEDULE = 143,
1671 WLAN_EID_EXT_SCHEDULE = 144,
1672 WLAN_EID_STA_AVAILABILITY = 145,
1673 WLAN_EID_DMG_TSPEC = 146,
1674 WLAN_EID_DMG_AT = 147,
1675 WLAN_EID_DMG_CAP = 148,
1676 WLAN_EID_DMG_OPERATION = 151,
1677 WLAN_EID_DMG_BSS_PARAM_CHANGE = 152,
1678 WLAN_EID_DMG_BEAM_REFINEMENT = 153,
1679 WLAN_EID_CHANNEL_MEASURE_FEEDBACK = 154,
1680 WLAN_EID_AWAKE_WINDOW = 157,
1681 WLAN_EID_MULTI_BAND = 158,
1682 WLAN_EID_ADDBA_EXT = 159,
1683 WLAN_EID_NEXT_PCP_LIST = 160,
1684 WLAN_EID_PCP_HANDOVER = 161,
1685 WLAN_EID_DMG_LINK_MARGIN = 162,
1686 WLAN_EID_SWITCHING_STREAM = 163,
1687 WLAN_EID_SESSION_TRANSITION = 164,
1688 WLAN_EID_DYN_TONE_PAIRING_REPORT = 165,
1689 WLAN_EID_CLUSTER_REPORT = 166,
1690 WLAN_EID_RELAY_CAP = 167,
1691 WLAN_EID_RELAY_XFER_PARAM_SET = 168,
1692 WLAN_EID_BEAM_LINK_MAINT = 169,
1693 WLAN_EID_MULTIPLE_MAC_ADDR = 170,
1694 WLAN_EID_U_PID = 171,
1695 WLAN_EID_DMG_LINK_ADAPT_ACK = 172,
1696 WLAN_EID_QUIET_PERIOD_REQ = 175,
1697 WLAN_EID_QUIET_PERIOD_RESP = 177,
1698 WLAN_EID_EPAC_POLICY = 182,
1699 WLAN_EID_CLISTER_TIME_OFF = 183,
1700 WLAN_EID_ANTENNA_SECTOR_ID_PATTERN = 190,
1703 /* Action category code */
1704 enum ieee80211_category {
1705 WLAN_CATEGORY_SPECTRUM_MGMT = 0,
1706 WLAN_CATEGORY_QOS = 1,
1707 WLAN_CATEGORY_DLS = 2,
1708 WLAN_CATEGORY_BACK = 3,
1709 WLAN_CATEGORY_PUBLIC = 4,
1710 WLAN_CATEGORY_HT = 7,
1711 WLAN_CATEGORY_SA_QUERY = 8,
1712 WLAN_CATEGORY_PROTECTED_DUAL_OF_ACTION = 9,
1713 WLAN_CATEGORY_TDLS = 12,
1714 WLAN_CATEGORY_MESH_ACTION = 13,
1715 WLAN_CATEGORY_MULTIHOP_ACTION = 14,
1716 WLAN_CATEGORY_SELF_PROTECTED = 15,
1717 WLAN_CATEGORY_DMG = 16,
1718 WLAN_CATEGORY_WMM = 17,
1719 WLAN_CATEGORY_FST = 18,
1720 WLAN_CATEGORY_UNPROT_DMG = 20,
1721 WLAN_CATEGORY_VENDOR_SPECIFIC_PROTECTED = 126,
1722 WLAN_CATEGORY_VENDOR_SPECIFIC = 127,
1725 /* SPECTRUM_MGMT action code */
1726 enum ieee80211_spectrum_mgmt_actioncode {
1727 WLAN_ACTION_SPCT_MSR_REQ = 0,
1728 WLAN_ACTION_SPCT_MSR_RPRT = 1,
1729 WLAN_ACTION_SPCT_TPC_REQ = 2,
1730 WLAN_ACTION_SPCT_TPC_RPRT = 3,
1731 WLAN_ACTION_SPCT_CHL_SWITCH = 4,
1734 /* HT action codes */
1735 enum ieee80211_ht_actioncode {
1736 WLAN_HT_ACTION_NOTIFY_CHANWIDTH = 0,
1737 WLAN_HT_ACTION_SMPS = 1,
1738 WLAN_HT_ACTION_PSMP = 2,
1739 WLAN_HT_ACTION_PCO_PHASE = 3,
1740 WLAN_HT_ACTION_CSI = 4,
1741 WLAN_HT_ACTION_NONCOMPRESSED_BF = 5,
1742 WLAN_HT_ACTION_COMPRESSED_BF = 6,
1743 WLAN_HT_ACTION_ASEL_IDX_FEEDBACK = 7,
1746 /* Self Protected Action codes */
1747 enum ieee80211_self_protected_actioncode {
1748 WLAN_SP_RESERVED = 0,
1749 WLAN_SP_MESH_PEERING_OPEN = 1,
1750 WLAN_SP_MESH_PEERING_CONFIRM = 2,
1751 WLAN_SP_MESH_PEERING_CLOSE = 3,
1752 WLAN_SP_MGK_INFORM = 4,
1753 WLAN_SP_MGK_ACK = 5,
1756 /* Mesh action codes */
1757 enum ieee80211_mesh_actioncode {
1758 WLAN_MESH_ACTION_LINK_METRIC_REPORT,
1759 WLAN_MESH_ACTION_HWMP_PATH_SELECTION,
1760 WLAN_MESH_ACTION_GATE_ANNOUNCEMENT,
1761 WLAN_MESH_ACTION_CONGESTION_CONTROL_NOTIFICATION,
1762 WLAN_MESH_ACTION_MCCA_SETUP_REQUEST,
1763 WLAN_MESH_ACTION_MCCA_SETUP_REPLY,
1764 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT_REQUEST,
1765 WLAN_MESH_ACTION_MCCA_ADVERTISEMENT,
1766 WLAN_MESH_ACTION_MCCA_TEARDOWN,
1767 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_REQUEST,
1768 WLAN_MESH_ACTION_TBTT_ADJUSTMENT_RESPONSE,
1771 /* Security key length */
1772 enum ieee80211_key_len {
1773 WLAN_KEY_LEN_WEP40 = 5,
1774 WLAN_KEY_LEN_WEP104 = 13,
1775 WLAN_KEY_LEN_CCMP = 16,
1776 WLAN_KEY_LEN_TKIP = 32,
1777 WLAN_KEY_LEN_AES_CMAC = 16,
1780 /* Public action codes */
1781 enum ieee80211_pub_actioncode {
1782 WLAN_PUB_ACTION_TDLS_DISCOVER_RES = 14,
1785 /* TDLS action codes */
1786 enum ieee80211_tdls_actioncode {
1787 WLAN_TDLS_SETUP_REQUEST = 0,
1788 WLAN_TDLS_SETUP_RESPONSE = 1,
1789 WLAN_TDLS_SETUP_CONFIRM = 2,
1790 WLAN_TDLS_TEARDOWN = 3,
1791 WLAN_TDLS_PEER_TRAFFIC_INDICATION = 4,
1792 WLAN_TDLS_CHANNEL_SWITCH_REQUEST = 5,
1793 WLAN_TDLS_CHANNEL_SWITCH_RESPONSE = 6,
1794 WLAN_TDLS_PEER_PSM_REQUEST = 7,
1795 WLAN_TDLS_PEER_PSM_RESPONSE = 8,
1796 WLAN_TDLS_PEER_TRAFFIC_RESPONSE = 9,
1797 WLAN_TDLS_DISCOVERY_REQUEST = 10,
1801 * TDLS capabililites to be enabled in the 5th byte of the
1802 * @WLAN_EID_EXT_CAPABILITY information element
1804 #define WLAN_EXT_CAPA5_TDLS_ENABLED BIT(5)
1805 #define WLAN_EXT_CAPA5_TDLS_PROHIBITED BIT(6)
1807 #define WLAN_EXT_CAPA8_OPMODE_NOTIF BIT(6)
1809 /* TDLS specific payload type in the LLC/SNAP header */
1810 #define WLAN_TDLS_SNAP_RFTYPE 0x2
1813 * enum - mesh synchronization method identifier
1815 * @IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET: the default synchronization method
1816 * @IEEE80211_SYNC_METHOD_VENDOR: a vendor specific synchronization method
1817 * that will be specified in a vendor specific information element
1820 IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET = 1,
1821 IEEE80211_SYNC_METHOD_VENDOR = 255,
1825 * enum - mesh path selection protocol identifier
1827 * @IEEE80211_PATH_PROTOCOL_HWMP: the default path selection protocol
1828 * @IEEE80211_PATH_PROTOCOL_VENDOR: a vendor specific protocol that will
1829 * be specified in a vendor specific information element
1832 IEEE80211_PATH_PROTOCOL_HWMP = 1,
1833 IEEE80211_PATH_PROTOCOL_VENDOR = 255,
1837 * enum - mesh path selection metric identifier
1839 * @IEEE80211_PATH_METRIC_AIRTIME: the default path selection metric
1840 * @IEEE80211_PATH_METRIC_VENDOR: a vendor specific metric that will be
1841 * specified in a vendor specific information element
1844 IEEE80211_PATH_METRIC_AIRTIME = 1,
1845 IEEE80211_PATH_METRIC_VENDOR = 255,
1849 * enum ieee80211_root_mode_identifier - root mesh STA mode identifier
1851 * These attribute are used by dot11MeshHWMPRootMode to set root mesh STA mode
1853 * @IEEE80211_ROOTMODE_NO_ROOT: the mesh STA is not a root mesh STA (default)
1854 * @IEEE80211_ROOTMODE_ROOT: the mesh STA is a root mesh STA if greater than
1856 * @IEEE80211_PROACTIVE_PREQ_NO_PREP: the mesh STA is a root mesh STA supports
1857 * the proactive PREQ with proactive PREP subfield set to 0
1858 * @IEEE80211_PROACTIVE_PREQ_WITH_PREP: the mesh STA is a root mesh STA
1859 * supports the proactive PREQ with proactive PREP subfield set to 1
1860 * @IEEE80211_PROACTIVE_RANN: the mesh STA is a root mesh STA supports
1861 * the proactive RANN
1863 enum ieee80211_root_mode_identifier {
1864 IEEE80211_ROOTMODE_NO_ROOT = 0,
1865 IEEE80211_ROOTMODE_ROOT = 1,
1866 IEEE80211_PROACTIVE_PREQ_NO_PREP = 2,
1867 IEEE80211_PROACTIVE_PREQ_WITH_PREP = 3,
1868 IEEE80211_PROACTIVE_RANN = 4,
1872 * IEEE 802.11-2007 7.3.2.9 Country information element
1874 * Minimum length is 8 octets, ie len must be evenly
1878 /* Although the spec says 8 I'm seeing 6 in practice */
1879 #define IEEE80211_COUNTRY_IE_MIN_LEN 6
1881 /* The Country String field of the element shall be 3 octets in length */
1882 #define IEEE80211_COUNTRY_STRING_LEN 3
1885 * For regulatory extension stuff see IEEE 802.11-2007
1886 * Annex I (page 1141) and Annex J (page 1147). Also
1889 * When dot11RegulatoryClassesRequired is true and the
1890 * first_channel/reg_extension_id is >= 201 then the IE
1891 * compromises of the 'ext' struct represented below:
1893 * - Regulatory extension ID - when generating IE this just needs
1894 * to be monotonically increasing for each triplet passed in
1896 * - Regulatory class - index into set of rules
1897 * - Coverage class - index into air propagation time (Table 7-27),
1898 * in microseconds, you can compute the air propagation time from
1899 * the index by multiplying by 3, so index 10 yields a propagation
1900 * of 10 us. Valid values are 0-31, values 32-255 are not defined
1901 * yet. A value of 0 inicates air propagation of <= 1 us.
1903 * See also Table I.2 for Emission limit sets and table
1904 * I.3 for Behavior limit sets. Table J.1 indicates how to map
1905 * a reg_class to an emission limit set and behavior limit set.
1907 #define IEEE80211_COUNTRY_EXTENSION_ID 201
1910 * Channels numbers in the IE must be monotonically increasing
1911 * if dot11RegulatoryClassesRequired is not true.
1913 * If dot11RegulatoryClassesRequired is true consecutive
1914 * subband triplets following a regulatory triplet shall
1915 * have monotonically increasing first_channel number fields.
1917 * Channel numbers shall not overlap.
1919 * Note that max_power is signed.
1921 struct ieee80211_country_ie_triplet {
1929 u8 reg_extension_id;
1936 enum ieee80211_timeout_interval_type {
1937 WLAN_TIMEOUT_REASSOC_DEADLINE = 1 /* 802.11r */,
1938 WLAN_TIMEOUT_KEY_LIFETIME = 2 /* 802.11r */,
1939 WLAN_TIMEOUT_ASSOC_COMEBACK = 3 /* 802.11w */,
1943 * struct ieee80211_timeout_interval_ie - Timeout Interval element
1944 * @type: type, see &enum ieee80211_timeout_interval_type
1945 * @value: timeout interval value
1947 struct ieee80211_timeout_interval_ie {
1952 /* BACK action code */
1953 enum ieee80211_back_actioncode {
1954 WLAN_ACTION_ADDBA_REQ = 0,
1955 WLAN_ACTION_ADDBA_RESP = 1,
1956 WLAN_ACTION_DELBA = 2,
1959 /* BACK (block-ack) parties */
1960 enum ieee80211_back_parties {
1961 WLAN_BACK_RECIPIENT = 0,
1962 WLAN_BACK_INITIATOR = 1,
1965 /* SA Query action */
1966 enum ieee80211_sa_query_action {
1967 WLAN_ACTION_SA_QUERY_REQUEST = 0,
1968 WLAN_ACTION_SA_QUERY_RESPONSE = 1,
1972 /* cipher suite selectors */
1973 #define WLAN_CIPHER_SUITE_USE_GROUP 0x000FAC00
1974 #define WLAN_CIPHER_SUITE_WEP40 0x000FAC01
1975 #define WLAN_CIPHER_SUITE_TKIP 0x000FAC02
1976 /* reserved: 0x000FAC03 */
1977 #define WLAN_CIPHER_SUITE_CCMP 0x000FAC04
1978 #define WLAN_CIPHER_SUITE_WEP104 0x000FAC05
1979 #define WLAN_CIPHER_SUITE_AES_CMAC 0x000FAC06
1980 #define WLAN_CIPHER_SUITE_GCMP 0x000FAC08
1982 #define WLAN_CIPHER_SUITE_SMS4 0x00147201
1984 /* AKM suite selectors */
1985 #define WLAN_AKM_SUITE_8021X 0x000FAC01
1986 #define WLAN_AKM_SUITE_PSK 0x000FAC02
1987 #define WLAN_AKM_SUITE_SAE 0x000FAC08
1988 #define WLAN_AKM_SUITE_FT_OVER_SAE 0x000FAC09
1990 #define WLAN_MAX_KEY_LEN 32
1992 #define WLAN_PMKID_LEN 16
1994 #define WLAN_OUI_WFA 0x506f9a
1995 #define WLAN_OUI_TYPE_WFA_P2P 9
1996 #define WLAN_OUI_MICROSOFT 0x0050f2
1997 #define WLAN_OUI_TYPE_MICROSOFT_WPA 1
1998 #define WLAN_OUI_TYPE_MICROSOFT_WMM 2
1999 #define WLAN_OUI_TYPE_MICROSOFT_WPS 4
2002 * WMM/802.11e Tspec Element
2004 #define IEEE80211_WMM_IE_TSPEC_TID_MASK 0x0F
2005 #define IEEE80211_WMM_IE_TSPEC_TID_SHIFT 1
2007 enum ieee80211_tspec_status_code {
2008 IEEE80211_TSPEC_STATUS_ADMISS_ACCEPTED = 0,
2009 IEEE80211_TSPEC_STATUS_ADDTS_INVAL_PARAMS = 0x1,
2012 struct ieee80211_tspec_ie {
2021 __le16 nominal_msdu;
2023 __le32 min_service_int;
2024 __le32 max_service_int;
2025 __le32 inactivity_int;
2026 __le32 suspension_int;
2027 __le32 service_start_time;
2028 __le32 min_data_rate;
2029 __le32 mean_data_rate;
2030 __le32 peak_data_rate;
2031 __le32 max_burst_size;
2033 __le32 min_phy_rate;
2039 * ieee80211_get_qos_ctl - get pointer to qos control bytes
2042 * The qos ctrl bytes come after the frame_control, duration, seq_num
2043 * and 3 or 4 addresses of length ETH_ALEN.
2044 * 3 addr: 2 + 2 + 2 + 3*6 = 24
2045 * 4 addr: 2 + 2 + 2 + 4*6 = 30
2047 static inline u8 *ieee80211_get_qos_ctl(struct ieee80211_hdr *hdr)
2049 if (ieee80211_has_a4(hdr->frame_control))
2050 return (u8 *)hdr + 30;
2052 return (u8 *)hdr + 24;
2056 * ieee80211_get_SA - get pointer to SA
2059 * Given an 802.11 frame, this function returns the offset
2060 * to the source address (SA). It does not verify that the
2061 * header is long enough to contain the address, and the
2062 * header must be long enough to contain the frame control
2065 static inline u8 *ieee80211_get_SA(struct ieee80211_hdr *hdr)
2067 if (ieee80211_has_a4(hdr->frame_control))
2069 if (ieee80211_has_fromds(hdr->frame_control))
2075 * ieee80211_get_DA - get pointer to DA
2078 * Given an 802.11 frame, this function returns the offset
2079 * to the destination address (DA). It does not verify that
2080 * the header is long enough to contain the address, and the
2081 * header must be long enough to contain the frame control
2084 static inline u8 *ieee80211_get_DA(struct ieee80211_hdr *hdr)
2086 if (ieee80211_has_tods(hdr->frame_control))
2093 * ieee80211_is_robust_mgmt_frame - check if frame is a robust management frame
2094 * @hdr: the frame (buffer must include at least the first octet of payload)
2096 static inline bool ieee80211_is_robust_mgmt_frame(struct ieee80211_hdr *hdr)
2098 if (ieee80211_is_disassoc(hdr->frame_control) ||
2099 ieee80211_is_deauth(hdr->frame_control))
2102 if (ieee80211_is_action(hdr->frame_control)) {
2106 * Action frames, excluding Public Action frames, are Robust
2107 * Management Frames. However, if we are looking at a Protected
2108 * frame, skip the check since the data may be encrypted and
2109 * the frame has already been found to be a Robust Management
2110 * Frame (by the other end).
2112 if (ieee80211_has_protected(hdr->frame_control))
2114 category = ((u8 *) hdr) + 24;
2115 return *category != WLAN_CATEGORY_PUBLIC &&
2116 *category != WLAN_CATEGORY_HT &&
2117 *category != WLAN_CATEGORY_SELF_PROTECTED &&
2118 *category != WLAN_CATEGORY_VENDOR_SPECIFIC;
2125 * ieee80211_is_public_action - check if frame is a public action frame
2127 * @len: length of the frame
2129 static inline bool ieee80211_is_public_action(struct ieee80211_hdr *hdr,
2132 struct ieee80211_mgmt *mgmt = (void *)hdr;
2134 if (len < IEEE80211_MIN_ACTION_SIZE)
2136 if (!ieee80211_is_action(hdr->frame_control))
2138 return mgmt->u.action.category == WLAN_CATEGORY_PUBLIC;
2142 * ieee80211_dsss_chan_to_freq - get channel center frequency
2143 * @channel: the DSSS channel
2145 * Convert IEEE802.11 DSSS channel to the center frequency (MHz).
2146 * Ref IEEE 802.11-2007 section 15.6
2148 static inline int ieee80211_dsss_chan_to_freq(int channel)
2150 if ((channel > 0) && (channel < 14))
2151 return 2407 + (channel * 5);
2152 else if (channel == 14)
2159 * ieee80211_freq_to_dsss_chan - get channel
2160 * @freq: the frequency
2162 * Convert frequency (MHz) to IEEE802.11 DSSS channel
2163 * Ref IEEE 802.11-2007 section 15.6
2165 * This routine selects the channel with the closest center frequency.
2167 static inline int ieee80211_freq_to_dsss_chan(int freq)
2169 if ((freq >= 2410) && (freq < 2475))
2170 return (freq - 2405) / 5;
2171 else if ((freq >= 2482) && (freq < 2487))
2178 * ieee80211_tu_to_usec - convert time units (TU) to microseconds
2181 static inline unsigned long ieee80211_tu_to_usec(unsigned long tu)
2187 * ieee80211_check_tim - check if AID bit is set in TIM
2189 * @tim_len: length of the TIM IE
2190 * @aid: the AID to look for
2192 static inline bool ieee80211_check_tim(const struct ieee80211_tim_ie *tim,
2193 u8 tim_len, u16 aid)
2196 u8 indexn0, indexn1, indexn2;
2198 if (unlikely(!tim || tim_len < sizeof(*tim)))
2203 mask = 1 << (aid & 7);
2205 indexn1 = tim->bitmap_ctrl & 0xfe;
2206 indexn2 = tim_len + indexn1 - 4;
2208 if (indexn0 < indexn1 || indexn0 > indexn2)
2213 return !!(tim->virtual_map[indexn0] & mask);
2216 #endif /* __LINUX_IEEE80211_H */